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b534c6d3 | 1 | /* tc-i386.c -- Assemble code for the Intel 80386 |
b3adc24a | 2 | Copyright (C) 1989-2020 Free Software Foundation, Inc. |
252b5132 RH |
3 | |
4 | This file is part of GAS, the GNU Assembler. | |
5 | ||
6 | GAS is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
ec2655a6 | 8 | the Free Software Foundation; either version 3, or (at your option) |
252b5132 RH |
9 | any later version. |
10 | ||
11 | GAS is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GAS; see the file COPYING. If not, write to the Free | |
4b4da160 NC |
18 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
19 | 02110-1301, USA. */ | |
252b5132 | 20 | |
47926f60 KH |
21 | /* Intel 80386 machine specific gas. |
22 | Written by Eliot Dresselhaus (eliot@mgm.mit.edu). | |
3e73aa7c | 23 | x86_64 support by Jan Hubicka (jh@suse.cz) |
0f10071e | 24 | VIA PadLock support by Michal Ludvig (mludvig@suse.cz) |
47926f60 KH |
25 | Bugs & suggestions are completely welcome. This is free software. |
26 | Please help us make it better. */ | |
252b5132 | 27 | |
252b5132 | 28 | #include "as.h" |
3882b010 | 29 | #include "safe-ctype.h" |
252b5132 | 30 | #include "subsegs.h" |
316e2c05 | 31 | #include "dwarf2dbg.h" |
54cfded0 | 32 | #include "dw2gencfi.h" |
d2b2c203 | 33 | #include "elf/x86-64.h" |
40fb9820 | 34 | #include "opcodes/i386-init.h" |
252b5132 | 35 | |
41fd2579 L |
36 | #ifdef HAVE_LIMITS_H |
37 | #include <limits.h> | |
38 | #else | |
39 | #ifdef HAVE_SYS_PARAM_H | |
40 | #include <sys/param.h> | |
41 | #endif | |
42 | #ifndef INT_MAX | |
43 | #define INT_MAX (int) (((unsigned) (-1)) >> 1) | |
44 | #endif | |
45 | #endif | |
46 | ||
c3332e24 | 47 | #ifndef INFER_ADDR_PREFIX |
eecb386c | 48 | #define INFER_ADDR_PREFIX 1 |
c3332e24 AM |
49 | #endif |
50 | ||
29b0f896 AM |
51 | #ifndef DEFAULT_ARCH |
52 | #define DEFAULT_ARCH "i386" | |
246fcdee | 53 | #endif |
252b5132 | 54 | |
edde18a5 AM |
55 | #ifndef INLINE |
56 | #if __GNUC__ >= 2 | |
57 | #define INLINE __inline__ | |
58 | #else | |
59 | #define INLINE | |
60 | #endif | |
61 | #endif | |
62 | ||
6305a203 L |
63 | /* Prefixes will be emitted in the order defined below. |
64 | WAIT_PREFIX must be the first prefix since FWAIT is really is an | |
65 | instruction, and so must come before any prefixes. | |
66 | The preferred prefix order is SEG_PREFIX, ADDR_PREFIX, DATA_PREFIX, | |
42164a71 | 67 | REP_PREFIX/HLE_PREFIX, LOCK_PREFIX. */ |
6305a203 L |
68 | #define WAIT_PREFIX 0 |
69 | #define SEG_PREFIX 1 | |
70 | #define ADDR_PREFIX 2 | |
71 | #define DATA_PREFIX 3 | |
c32fa91d | 72 | #define REP_PREFIX 4 |
42164a71 | 73 | #define HLE_PREFIX REP_PREFIX |
7e8b059b | 74 | #define BND_PREFIX REP_PREFIX |
c32fa91d | 75 | #define LOCK_PREFIX 5 |
4e9ac44a L |
76 | #define REX_PREFIX 6 /* must come last. */ |
77 | #define MAX_PREFIXES 7 /* max prefixes per opcode */ | |
6305a203 L |
78 | |
79 | /* we define the syntax here (modulo base,index,scale syntax) */ | |
80 | #define REGISTER_PREFIX '%' | |
81 | #define IMMEDIATE_PREFIX '$' | |
82 | #define ABSOLUTE_PREFIX '*' | |
83 | ||
84 | /* these are the instruction mnemonic suffixes in AT&T syntax or | |
85 | memory operand size in Intel syntax. */ | |
86 | #define WORD_MNEM_SUFFIX 'w' | |
87 | #define BYTE_MNEM_SUFFIX 'b' | |
88 | #define SHORT_MNEM_SUFFIX 's' | |
89 | #define LONG_MNEM_SUFFIX 'l' | |
90 | #define QWORD_MNEM_SUFFIX 'q' | |
6305a203 L |
91 | /* Intel Syntax. Use a non-ascii letter since since it never appears |
92 | in instructions. */ | |
93 | #define LONG_DOUBLE_MNEM_SUFFIX '\1' | |
94 | ||
95 | #define END_OF_INSN '\0' | |
96 | ||
79dec6b7 JB |
97 | /* This matches the C -> StaticRounding alias in the opcode table. */ |
98 | #define commutative staticrounding | |
99 | ||
6305a203 L |
100 | /* |
101 | 'templates' is for grouping together 'template' structures for opcodes | |
102 | of the same name. This is only used for storing the insns in the grand | |
103 | ole hash table of insns. | |
104 | The templates themselves start at START and range up to (but not including) | |
105 | END. | |
106 | */ | |
107 | typedef struct | |
108 | { | |
d3ce72d0 NC |
109 | const insn_template *start; |
110 | const insn_template *end; | |
6305a203 L |
111 | } |
112 | templates; | |
113 | ||
114 | /* 386 operand encoding bytes: see 386 book for details of this. */ | |
115 | typedef struct | |
116 | { | |
117 | unsigned int regmem; /* codes register or memory operand */ | |
118 | unsigned int reg; /* codes register operand (or extended opcode) */ | |
119 | unsigned int mode; /* how to interpret regmem & reg */ | |
120 | } | |
121 | modrm_byte; | |
122 | ||
123 | /* x86-64 extension prefix. */ | |
124 | typedef int rex_byte; | |
125 | ||
6305a203 L |
126 | /* 386 opcode byte to code indirect addressing. */ |
127 | typedef struct | |
128 | { | |
129 | unsigned base; | |
130 | unsigned index; | |
131 | unsigned scale; | |
132 | } | |
133 | sib_byte; | |
134 | ||
6305a203 L |
135 | /* x86 arch names, types and features */ |
136 | typedef struct | |
137 | { | |
138 | const char *name; /* arch name */ | |
8a2c8fef | 139 | unsigned int len; /* arch string length */ |
6305a203 L |
140 | enum processor_type type; /* arch type */ |
141 | i386_cpu_flags flags; /* cpu feature flags */ | |
8a2c8fef | 142 | unsigned int skip; /* show_arch should skip this. */ |
6305a203 L |
143 | } |
144 | arch_entry; | |
145 | ||
293f5f65 L |
146 | /* Used to turn off indicated flags. */ |
147 | typedef struct | |
148 | { | |
149 | const char *name; /* arch name */ | |
150 | unsigned int len; /* arch string length */ | |
151 | i386_cpu_flags flags; /* cpu feature flags */ | |
152 | } | |
153 | noarch_entry; | |
154 | ||
78f12dd3 | 155 | static void update_code_flag (int, int); |
e3bb37b5 L |
156 | static void set_code_flag (int); |
157 | static void set_16bit_gcc_code_flag (int); | |
158 | static void set_intel_syntax (int); | |
1efbbeb4 | 159 | static void set_intel_mnemonic (int); |
db51cc60 | 160 | static void set_allow_index_reg (int); |
7bab8ab5 | 161 | static void set_check (int); |
e3bb37b5 | 162 | static void set_cpu_arch (int); |
6482c264 | 163 | #ifdef TE_PE |
e3bb37b5 | 164 | static void pe_directive_secrel (int); |
6482c264 | 165 | #endif |
e3bb37b5 L |
166 | static void signed_cons (int); |
167 | static char *output_invalid (int c); | |
ee86248c JB |
168 | static int i386_finalize_immediate (segT, expressionS *, i386_operand_type, |
169 | const char *); | |
170 | static int i386_finalize_displacement (segT, expressionS *, i386_operand_type, | |
171 | const char *); | |
a7619375 | 172 | static int i386_att_operand (char *); |
e3bb37b5 | 173 | static int i386_intel_operand (char *, int); |
ee86248c JB |
174 | static int i386_intel_simplify (expressionS *); |
175 | static int i386_intel_parse_name (const char *, expressionS *); | |
e3bb37b5 L |
176 | static const reg_entry *parse_register (char *, char **); |
177 | static char *parse_insn (char *, char *); | |
178 | static char *parse_operands (char *, const char *); | |
179 | static void swap_operands (void); | |
4d456e3d | 180 | static void swap_2_operands (int, int); |
48bcea9f | 181 | static enum flag_code i386_addressing_mode (void); |
e3bb37b5 L |
182 | static void optimize_imm (void); |
183 | static void optimize_disp (void); | |
83b16ac6 | 184 | static const insn_template *match_template (char); |
e3bb37b5 L |
185 | static int check_string (void); |
186 | static int process_suffix (void); | |
187 | static int check_byte_reg (void); | |
188 | static int check_long_reg (void); | |
189 | static int check_qword_reg (void); | |
190 | static int check_word_reg (void); | |
191 | static int finalize_imm (void); | |
192 | static int process_operands (void); | |
193 | static const seg_entry *build_modrm_byte (void); | |
194 | static void output_insn (void); | |
195 | static void output_imm (fragS *, offsetT); | |
196 | static void output_disp (fragS *, offsetT); | |
29b0f896 | 197 | #ifndef I386COFF |
e3bb37b5 | 198 | static void s_bss (int); |
252b5132 | 199 | #endif |
17d4e2a2 L |
200 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
201 | static void handle_large_common (int small ATTRIBUTE_UNUSED); | |
b4a3a7b4 L |
202 | |
203 | /* GNU_PROPERTY_X86_ISA_1_USED. */ | |
204 | static unsigned int x86_isa_1_used; | |
205 | /* GNU_PROPERTY_X86_FEATURE_2_USED. */ | |
206 | static unsigned int x86_feature_2_used; | |
207 | /* Generate x86 used ISA and feature properties. */ | |
208 | static unsigned int x86_used_note = DEFAULT_X86_USED_NOTE; | |
17d4e2a2 | 209 | #endif |
252b5132 | 210 | |
a847613f | 211 | static const char *default_arch = DEFAULT_ARCH; |
3e73aa7c | 212 | |
8a6fb3f9 JB |
213 | /* parse_register() returns this when a register alias cannot be used. */ |
214 | static const reg_entry bad_reg = { "<bad>", OPERAND_TYPE_NONE, 0, 0, | |
215 | { Dw2Inval, Dw2Inval } }; | |
216 | ||
43234a1e L |
217 | /* This struct describes rounding control and SAE in the instruction. */ |
218 | struct RC_Operation | |
219 | { | |
220 | enum rc_type | |
221 | { | |
222 | rne = 0, | |
223 | rd, | |
224 | ru, | |
225 | rz, | |
226 | saeonly | |
227 | } type; | |
228 | int operand; | |
229 | }; | |
230 | ||
231 | static struct RC_Operation rc_op; | |
232 | ||
233 | /* The struct describes masking, applied to OPERAND in the instruction. | |
234 | MASK is a pointer to the corresponding mask register. ZEROING tells | |
235 | whether merging or zeroing mask is used. */ | |
236 | struct Mask_Operation | |
237 | { | |
238 | const reg_entry *mask; | |
239 | unsigned int zeroing; | |
240 | /* The operand where this operation is associated. */ | |
241 | int operand; | |
242 | }; | |
243 | ||
244 | static struct Mask_Operation mask_op; | |
245 | ||
246 | /* The struct describes broadcasting, applied to OPERAND. FACTOR is | |
247 | broadcast factor. */ | |
248 | struct Broadcast_Operation | |
249 | { | |
8e6e0792 | 250 | /* Type of broadcast: {1to2}, {1to4}, {1to8}, or {1to16}. */ |
43234a1e L |
251 | int type; |
252 | ||
253 | /* Index of broadcasted operand. */ | |
254 | int operand; | |
4a1b91ea L |
255 | |
256 | /* Number of bytes to broadcast. */ | |
257 | int bytes; | |
43234a1e L |
258 | }; |
259 | ||
260 | static struct Broadcast_Operation broadcast_op; | |
261 | ||
c0f3af97 L |
262 | /* VEX prefix. */ |
263 | typedef struct | |
264 | { | |
43234a1e L |
265 | /* VEX prefix is either 2 byte or 3 byte. EVEX is 4 byte. */ |
266 | unsigned char bytes[4]; | |
c0f3af97 L |
267 | unsigned int length; |
268 | /* Destination or source register specifier. */ | |
269 | const reg_entry *register_specifier; | |
270 | } vex_prefix; | |
271 | ||
252b5132 | 272 | /* 'md_assemble ()' gathers together information and puts it into a |
47926f60 | 273 | i386_insn. */ |
252b5132 | 274 | |
520dc8e8 AM |
275 | union i386_op |
276 | { | |
277 | expressionS *disps; | |
278 | expressionS *imms; | |
279 | const reg_entry *regs; | |
280 | }; | |
281 | ||
a65babc9 L |
282 | enum i386_error |
283 | { | |
86e026a4 | 284 | operand_size_mismatch, |
a65babc9 L |
285 | operand_type_mismatch, |
286 | register_type_mismatch, | |
287 | number_of_operands_mismatch, | |
288 | invalid_instruction_suffix, | |
289 | bad_imm4, | |
a65babc9 L |
290 | unsupported_with_intel_mnemonic, |
291 | unsupported_syntax, | |
6c30d220 L |
292 | unsupported, |
293 | invalid_vsib_address, | |
7bab8ab5 | 294 | invalid_vector_register_set, |
43234a1e L |
295 | unsupported_vector_index_register, |
296 | unsupported_broadcast, | |
43234a1e L |
297 | broadcast_needed, |
298 | unsupported_masking, | |
299 | mask_not_on_destination, | |
300 | no_default_mask, | |
301 | unsupported_rc_sae, | |
302 | rc_sae_operand_not_last_imm, | |
303 | invalid_register_operand, | |
a65babc9 L |
304 | }; |
305 | ||
252b5132 RH |
306 | struct _i386_insn |
307 | { | |
47926f60 | 308 | /* TM holds the template for the insn were currently assembling. */ |
d3ce72d0 | 309 | insn_template tm; |
252b5132 | 310 | |
7d5e4556 L |
311 | /* SUFFIX holds the instruction size suffix for byte, word, dword |
312 | or qword, if given. */ | |
252b5132 RH |
313 | char suffix; |
314 | ||
47926f60 | 315 | /* OPERANDS gives the number of given operands. */ |
252b5132 RH |
316 | unsigned int operands; |
317 | ||
318 | /* REG_OPERANDS, DISP_OPERANDS, MEM_OPERANDS, IMM_OPERANDS give the number | |
319 | of given register, displacement, memory operands and immediate | |
47926f60 | 320 | operands. */ |
252b5132 RH |
321 | unsigned int reg_operands, disp_operands, mem_operands, imm_operands; |
322 | ||
323 | /* TYPES [i] is the type (see above #defines) which tells us how to | |
520dc8e8 | 324 | use OP[i] for the corresponding operand. */ |
40fb9820 | 325 | i386_operand_type types[MAX_OPERANDS]; |
252b5132 | 326 | |
520dc8e8 AM |
327 | /* Displacement expression, immediate expression, or register for each |
328 | operand. */ | |
329 | union i386_op op[MAX_OPERANDS]; | |
252b5132 | 330 | |
3e73aa7c JH |
331 | /* Flags for operands. */ |
332 | unsigned int flags[MAX_OPERANDS]; | |
333 | #define Operand_PCrel 1 | |
c48dadc9 | 334 | #define Operand_Mem 2 |
3e73aa7c | 335 | |
252b5132 | 336 | /* Relocation type for operand */ |
f86103b7 | 337 | enum bfd_reloc_code_real reloc[MAX_OPERANDS]; |
252b5132 | 338 | |
252b5132 RH |
339 | /* BASE_REG, INDEX_REG, and LOG2_SCALE_FACTOR are used to encode |
340 | the base index byte below. */ | |
341 | const reg_entry *base_reg; | |
342 | const reg_entry *index_reg; | |
343 | unsigned int log2_scale_factor; | |
344 | ||
345 | /* SEG gives the seg_entries of this insn. They are zero unless | |
47926f60 | 346 | explicit segment overrides are given. */ |
ce8a8b2f | 347 | const seg_entry *seg[2]; |
252b5132 | 348 | |
8325cc63 JB |
349 | /* Copied first memory operand string, for re-checking. */ |
350 | char *memop1_string; | |
351 | ||
252b5132 RH |
352 | /* PREFIX holds all the given prefix opcodes (usually null). |
353 | PREFIXES is the number of prefix opcodes. */ | |
354 | unsigned int prefixes; | |
355 | unsigned char prefix[MAX_PREFIXES]; | |
356 | ||
50128d0c JB |
357 | /* Register is in low 3 bits of opcode. */ |
358 | bfd_boolean short_form; | |
359 | ||
6f2f06be JB |
360 | /* The operand to a branch insn indicates an absolute branch. */ |
361 | bfd_boolean jumpabsolute; | |
362 | ||
b4a3a7b4 L |
363 | /* Has MMX register operands. */ |
364 | bfd_boolean has_regmmx; | |
365 | ||
366 | /* Has XMM register operands. */ | |
367 | bfd_boolean has_regxmm; | |
368 | ||
369 | /* Has YMM register operands. */ | |
370 | bfd_boolean has_regymm; | |
371 | ||
372 | /* Has ZMM register operands. */ | |
373 | bfd_boolean has_regzmm; | |
374 | ||
e379e5f3 L |
375 | /* Has GOTPC or TLS relocation. */ |
376 | bfd_boolean has_gotpc_tls_reloc; | |
377 | ||
252b5132 | 378 | /* RM and SIB are the modrm byte and the sib byte where the |
c1e679ec | 379 | addressing modes of this insn are encoded. */ |
252b5132 | 380 | modrm_byte rm; |
3e73aa7c | 381 | rex_byte rex; |
43234a1e | 382 | rex_byte vrex; |
252b5132 | 383 | sib_byte sib; |
c0f3af97 | 384 | vex_prefix vex; |
b6169b20 | 385 | |
43234a1e L |
386 | /* Masking attributes. */ |
387 | struct Mask_Operation *mask; | |
388 | ||
389 | /* Rounding control and SAE attributes. */ | |
390 | struct RC_Operation *rounding; | |
391 | ||
392 | /* Broadcasting attributes. */ | |
393 | struct Broadcast_Operation *broadcast; | |
394 | ||
395 | /* Compressed disp8*N attribute. */ | |
396 | unsigned int memshift; | |
397 | ||
86fa6981 L |
398 | /* Prefer load or store in encoding. */ |
399 | enum | |
400 | { | |
401 | dir_encoding_default = 0, | |
402 | dir_encoding_load, | |
64c49ab3 JB |
403 | dir_encoding_store, |
404 | dir_encoding_swap | |
86fa6981 | 405 | } dir_encoding; |
891edac4 | 406 | |
a501d77e L |
407 | /* Prefer 8bit or 32bit displacement in encoding. */ |
408 | enum | |
409 | { | |
410 | disp_encoding_default = 0, | |
411 | disp_encoding_8bit, | |
412 | disp_encoding_32bit | |
413 | } disp_encoding; | |
f8a5c266 | 414 | |
6b6b6807 L |
415 | /* Prefer the REX byte in encoding. */ |
416 | bfd_boolean rex_encoding; | |
417 | ||
b6f8c7c4 L |
418 | /* Disable instruction size optimization. */ |
419 | bfd_boolean no_optimize; | |
420 | ||
86fa6981 L |
421 | /* How to encode vector instructions. */ |
422 | enum | |
423 | { | |
424 | vex_encoding_default = 0, | |
42e04b36 | 425 | vex_encoding_vex, |
86fa6981 | 426 | vex_encoding_vex3, |
da4977e0 JB |
427 | vex_encoding_evex, |
428 | vex_encoding_error | |
86fa6981 L |
429 | } vec_encoding; |
430 | ||
d5de92cf L |
431 | /* REP prefix. */ |
432 | const char *rep_prefix; | |
433 | ||
165de32a L |
434 | /* HLE prefix. */ |
435 | const char *hle_prefix; | |
42164a71 | 436 | |
7e8b059b L |
437 | /* Have BND prefix. */ |
438 | const char *bnd_prefix; | |
439 | ||
04ef582a L |
440 | /* Have NOTRACK prefix. */ |
441 | const char *notrack_prefix; | |
442 | ||
891edac4 | 443 | /* Error message. */ |
a65babc9 | 444 | enum i386_error error; |
252b5132 RH |
445 | }; |
446 | ||
447 | typedef struct _i386_insn i386_insn; | |
448 | ||
43234a1e L |
449 | /* Link RC type with corresponding string, that'll be looked for in |
450 | asm. */ | |
451 | struct RC_name | |
452 | { | |
453 | enum rc_type type; | |
454 | const char *name; | |
455 | unsigned int len; | |
456 | }; | |
457 | ||
458 | static const struct RC_name RC_NamesTable[] = | |
459 | { | |
460 | { rne, STRING_COMMA_LEN ("rn-sae") }, | |
461 | { rd, STRING_COMMA_LEN ("rd-sae") }, | |
462 | { ru, STRING_COMMA_LEN ("ru-sae") }, | |
463 | { rz, STRING_COMMA_LEN ("rz-sae") }, | |
464 | { saeonly, STRING_COMMA_LEN ("sae") }, | |
465 | }; | |
466 | ||
252b5132 RH |
467 | /* List of chars besides those in app.c:symbol_chars that can start an |
468 | operand. Used to prevent the scrubber eating vital white-space. */ | |
86fa6981 | 469 | const char extra_symbol_chars[] = "*%-([{}" |
252b5132 | 470 | #ifdef LEX_AT |
32137342 NC |
471 | "@" |
472 | #endif | |
473 | #ifdef LEX_QM | |
474 | "?" | |
252b5132 | 475 | #endif |
32137342 | 476 | ; |
252b5132 | 477 | |
29b0f896 AM |
478 | #if (defined (TE_I386AIX) \ |
479 | || ((defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)) \ | |
3896cfd5 | 480 | && !defined (TE_GNU) \ |
29b0f896 | 481 | && !defined (TE_LINUX) \ |
8d63c93e | 482 | && !defined (TE_NACL) \ |
29b0f896 | 483 | && !defined (TE_FreeBSD) \ |
5b806d27 | 484 | && !defined (TE_DragonFly) \ |
29b0f896 | 485 | && !defined (TE_NetBSD))) |
252b5132 | 486 | /* This array holds the chars that always start a comment. If the |
b3b91714 AM |
487 | pre-processor is disabled, these aren't very useful. The option |
488 | --divide will remove '/' from this list. */ | |
489 | const char *i386_comment_chars = "#/"; | |
490 | #define SVR4_COMMENT_CHARS 1 | |
252b5132 | 491 | #define PREFIX_SEPARATOR '\\' |
252b5132 | 492 | |
b3b91714 AM |
493 | #else |
494 | const char *i386_comment_chars = "#"; | |
495 | #define PREFIX_SEPARATOR '/' | |
496 | #endif | |
497 | ||
252b5132 RH |
498 | /* This array holds the chars that only start a comment at the beginning of |
499 | a line. If the line seems to have the form '# 123 filename' | |
ce8a8b2f AM |
500 | .line and .file directives will appear in the pre-processed output. |
501 | Note that input_file.c hand checks for '#' at the beginning of the | |
252b5132 | 502 | first line of the input file. This is because the compiler outputs |
ce8a8b2f AM |
503 | #NO_APP at the beginning of its output. |
504 | Also note that comments started like this one will always work if | |
252b5132 | 505 | '/' isn't otherwise defined. */ |
b3b91714 | 506 | const char line_comment_chars[] = "#/"; |
252b5132 | 507 | |
63a0b638 | 508 | const char line_separator_chars[] = ";"; |
252b5132 | 509 | |
ce8a8b2f AM |
510 | /* Chars that can be used to separate mant from exp in floating point |
511 | nums. */ | |
252b5132 RH |
512 | const char EXP_CHARS[] = "eE"; |
513 | ||
ce8a8b2f AM |
514 | /* Chars that mean this number is a floating point constant |
515 | As in 0f12.456 | |
516 | or 0d1.2345e12. */ | |
252b5132 RH |
517 | const char FLT_CHARS[] = "fFdDxX"; |
518 | ||
ce8a8b2f | 519 | /* Tables for lexical analysis. */ |
252b5132 RH |
520 | static char mnemonic_chars[256]; |
521 | static char register_chars[256]; | |
522 | static char operand_chars[256]; | |
523 | static char identifier_chars[256]; | |
524 | static char digit_chars[256]; | |
525 | ||
ce8a8b2f | 526 | /* Lexical macros. */ |
252b5132 RH |
527 | #define is_mnemonic_char(x) (mnemonic_chars[(unsigned char) x]) |
528 | #define is_operand_char(x) (operand_chars[(unsigned char) x]) | |
529 | #define is_register_char(x) (register_chars[(unsigned char) x]) | |
530 | #define is_space_char(x) ((x) == ' ') | |
531 | #define is_identifier_char(x) (identifier_chars[(unsigned char) x]) | |
532 | #define is_digit_char(x) (digit_chars[(unsigned char) x]) | |
533 | ||
0234cb7c | 534 | /* All non-digit non-letter characters that may occur in an operand. */ |
252b5132 RH |
535 | static char operand_special_chars[] = "%$-+(,)*._~/<>|&^!:[@]"; |
536 | ||
537 | /* md_assemble() always leaves the strings it's passed unaltered. To | |
538 | effect this we maintain a stack of saved characters that we've smashed | |
539 | with '\0's (indicating end of strings for various sub-fields of the | |
47926f60 | 540 | assembler instruction). */ |
252b5132 | 541 | static char save_stack[32]; |
ce8a8b2f | 542 | static char *save_stack_p; |
252b5132 RH |
543 | #define END_STRING_AND_SAVE(s) \ |
544 | do { *save_stack_p++ = *(s); *(s) = '\0'; } while (0) | |
545 | #define RESTORE_END_STRING(s) \ | |
546 | do { *(s) = *--save_stack_p; } while (0) | |
547 | ||
47926f60 | 548 | /* The instruction we're assembling. */ |
252b5132 RH |
549 | static i386_insn i; |
550 | ||
551 | /* Possible templates for current insn. */ | |
552 | static const templates *current_templates; | |
553 | ||
31b2323c L |
554 | /* Per instruction expressionS buffers: max displacements & immediates. */ |
555 | static expressionS disp_expressions[MAX_MEMORY_OPERANDS]; | |
556 | static expressionS im_expressions[MAX_IMMEDIATE_OPERANDS]; | |
252b5132 | 557 | |
47926f60 | 558 | /* Current operand we are working on. */ |
ee86248c | 559 | static int this_operand = -1; |
252b5132 | 560 | |
3e73aa7c JH |
561 | /* We support four different modes. FLAG_CODE variable is used to distinguish |
562 | these. */ | |
563 | ||
564 | enum flag_code { | |
565 | CODE_32BIT, | |
566 | CODE_16BIT, | |
567 | CODE_64BIT }; | |
568 | ||
569 | static enum flag_code flag_code; | |
4fa24527 | 570 | static unsigned int object_64bit; |
862be3fb | 571 | static unsigned int disallow_64bit_reloc; |
3e73aa7c | 572 | static int use_rela_relocations = 0; |
e379e5f3 L |
573 | /* __tls_get_addr/___tls_get_addr symbol for TLS. */ |
574 | static const char *tls_get_addr; | |
3e73aa7c | 575 | |
7af8ed2d NC |
576 | #if ((defined (OBJ_MAYBE_COFF) && defined (OBJ_MAYBE_AOUT)) \ |
577 | || defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \ | |
578 | || defined (TE_PE) || defined (TE_PEP) || defined (OBJ_MACH_O)) | |
579 | ||
351f65ca L |
580 | /* The ELF ABI to use. */ |
581 | enum x86_elf_abi | |
582 | { | |
583 | I386_ABI, | |
7f56bc95 L |
584 | X86_64_ABI, |
585 | X86_64_X32_ABI | |
351f65ca L |
586 | }; |
587 | ||
588 | static enum x86_elf_abi x86_elf_abi = I386_ABI; | |
7af8ed2d | 589 | #endif |
351f65ca | 590 | |
167ad85b TG |
591 | #if defined (TE_PE) || defined (TE_PEP) |
592 | /* Use big object file format. */ | |
593 | static int use_big_obj = 0; | |
594 | #endif | |
595 | ||
8dcea932 L |
596 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
597 | /* 1 if generating code for a shared library. */ | |
598 | static int shared = 0; | |
599 | #endif | |
600 | ||
47926f60 KH |
601 | /* 1 for intel syntax, |
602 | 0 if att syntax. */ | |
603 | static int intel_syntax = 0; | |
252b5132 | 604 | |
4b5aaf5f L |
605 | static enum x86_64_isa |
606 | { | |
607 | amd64 = 1, /* AMD64 ISA. */ | |
608 | intel64 /* Intel64 ISA. */ | |
609 | } isa64; | |
e89c5eaa | 610 | |
1efbbeb4 L |
611 | /* 1 for intel mnemonic, |
612 | 0 if att mnemonic. */ | |
613 | static int intel_mnemonic = !SYSV386_COMPAT; | |
614 | ||
a60de03c JB |
615 | /* 1 if pseudo registers are permitted. */ |
616 | static int allow_pseudo_reg = 0; | |
617 | ||
47926f60 KH |
618 | /* 1 if register prefix % not required. */ |
619 | static int allow_naked_reg = 0; | |
252b5132 | 620 | |
33eaf5de | 621 | /* 1 if the assembler should add BND prefix for all control-transferring |
7e8b059b L |
622 | instructions supporting it, even if this prefix wasn't specified |
623 | explicitly. */ | |
624 | static int add_bnd_prefix = 0; | |
625 | ||
ba104c83 | 626 | /* 1 if pseudo index register, eiz/riz, is allowed . */ |
db51cc60 L |
627 | static int allow_index_reg = 0; |
628 | ||
d022bddd IT |
629 | /* 1 if the assembler should ignore LOCK prefix, even if it was |
630 | specified explicitly. */ | |
631 | static int omit_lock_prefix = 0; | |
632 | ||
e4e00185 AS |
633 | /* 1 if the assembler should encode lfence, mfence, and sfence as |
634 | "lock addl $0, (%{re}sp)". */ | |
635 | static int avoid_fence = 0; | |
636 | ||
ae531041 L |
637 | /* 1 if lfence should be inserted after every load. */ |
638 | static int lfence_after_load = 0; | |
639 | ||
640 | /* Non-zero if lfence should be inserted before indirect branch. */ | |
641 | static enum lfence_before_indirect_branch_kind | |
642 | { | |
643 | lfence_branch_none = 0, | |
644 | lfence_branch_register, | |
645 | lfence_branch_memory, | |
646 | lfence_branch_all | |
647 | } | |
648 | lfence_before_indirect_branch; | |
649 | ||
650 | /* Non-zero if lfence should be inserted before ret. */ | |
651 | static enum lfence_before_ret_kind | |
652 | { | |
653 | lfence_before_ret_none = 0, | |
654 | lfence_before_ret_not, | |
a09f656b | 655 | lfence_before_ret_or, |
656 | lfence_before_ret_shl | |
ae531041 L |
657 | } |
658 | lfence_before_ret; | |
659 | ||
660 | /* Types of previous instruction is .byte or prefix. */ | |
e379e5f3 L |
661 | static struct |
662 | { | |
663 | segT seg; | |
664 | const char *file; | |
665 | const char *name; | |
666 | unsigned int line; | |
667 | enum last_insn_kind | |
668 | { | |
669 | last_insn_other = 0, | |
670 | last_insn_directive, | |
671 | last_insn_prefix | |
672 | } kind; | |
673 | } last_insn; | |
674 | ||
0cb4071e L |
675 | /* 1 if the assembler should generate relax relocations. */ |
676 | ||
677 | static int generate_relax_relocations | |
678 | = DEFAULT_GENERATE_X86_RELAX_RELOCATIONS; | |
679 | ||
7bab8ab5 | 680 | static enum check_kind |
daf50ae7 | 681 | { |
7bab8ab5 JB |
682 | check_none = 0, |
683 | check_warning, | |
684 | check_error | |
daf50ae7 | 685 | } |
7bab8ab5 | 686 | sse_check, operand_check = check_warning; |
daf50ae7 | 687 | |
e379e5f3 L |
688 | /* Non-zero if branches should be aligned within power of 2 boundary. */ |
689 | static int align_branch_power = 0; | |
690 | ||
691 | /* Types of branches to align. */ | |
692 | enum align_branch_kind | |
693 | { | |
694 | align_branch_none = 0, | |
695 | align_branch_jcc = 1, | |
696 | align_branch_fused = 2, | |
697 | align_branch_jmp = 3, | |
698 | align_branch_call = 4, | |
699 | align_branch_indirect = 5, | |
700 | align_branch_ret = 6 | |
701 | }; | |
702 | ||
703 | /* Type bits of branches to align. */ | |
704 | enum align_branch_bit | |
705 | { | |
706 | align_branch_jcc_bit = 1 << align_branch_jcc, | |
707 | align_branch_fused_bit = 1 << align_branch_fused, | |
708 | align_branch_jmp_bit = 1 << align_branch_jmp, | |
709 | align_branch_call_bit = 1 << align_branch_call, | |
710 | align_branch_indirect_bit = 1 << align_branch_indirect, | |
711 | align_branch_ret_bit = 1 << align_branch_ret | |
712 | }; | |
713 | ||
714 | static unsigned int align_branch = (align_branch_jcc_bit | |
715 | | align_branch_fused_bit | |
716 | | align_branch_jmp_bit); | |
717 | ||
79d72f45 HL |
718 | /* Types of condition jump used by macro-fusion. */ |
719 | enum mf_jcc_kind | |
720 | { | |
721 | mf_jcc_jo = 0, /* base opcode 0x70 */ | |
722 | mf_jcc_jc, /* base opcode 0x72 */ | |
723 | mf_jcc_je, /* base opcode 0x74 */ | |
724 | mf_jcc_jna, /* base opcode 0x76 */ | |
725 | mf_jcc_js, /* base opcode 0x78 */ | |
726 | mf_jcc_jp, /* base opcode 0x7a */ | |
727 | mf_jcc_jl, /* base opcode 0x7c */ | |
728 | mf_jcc_jle, /* base opcode 0x7e */ | |
729 | }; | |
730 | ||
731 | /* Types of compare flag-modifying insntructions used by macro-fusion. */ | |
732 | enum mf_cmp_kind | |
733 | { | |
734 | mf_cmp_test_and, /* test/cmp */ | |
735 | mf_cmp_alu_cmp, /* add/sub/cmp */ | |
736 | mf_cmp_incdec /* inc/dec */ | |
737 | }; | |
738 | ||
e379e5f3 L |
739 | /* The maximum padding size for fused jcc. CMP like instruction can |
740 | be 9 bytes and jcc can be 6 bytes. Leave room just in case for | |
741 | prefixes. */ | |
742 | #define MAX_FUSED_JCC_PADDING_SIZE 20 | |
743 | ||
744 | /* The maximum number of prefixes added for an instruction. */ | |
745 | static unsigned int align_branch_prefix_size = 5; | |
746 | ||
b6f8c7c4 L |
747 | /* Optimization: |
748 | 1. Clear the REX_W bit with register operand if possible. | |
749 | 2. Above plus use 128bit vector instruction to clear the full vector | |
750 | register. | |
751 | */ | |
752 | static int optimize = 0; | |
753 | ||
754 | /* Optimization: | |
755 | 1. Clear the REX_W bit with register operand if possible. | |
756 | 2. Above plus use 128bit vector instruction to clear the full vector | |
757 | register. | |
758 | 3. Above plus optimize "test{q,l,w} $imm8,%r{64,32,16}" to | |
759 | "testb $imm7,%r8". | |
760 | */ | |
761 | static int optimize_for_space = 0; | |
762 | ||
2ca3ace5 L |
763 | /* Register prefix used for error message. */ |
764 | static const char *register_prefix = "%"; | |
765 | ||
47926f60 KH |
766 | /* Used in 16 bit gcc mode to add an l suffix to call, ret, enter, |
767 | leave, push, and pop instructions so that gcc has the same stack | |
768 | frame as in 32 bit mode. */ | |
769 | static char stackop_size = '\0'; | |
eecb386c | 770 | |
12b55ccc L |
771 | /* Non-zero to optimize code alignment. */ |
772 | int optimize_align_code = 1; | |
773 | ||
47926f60 KH |
774 | /* Non-zero to quieten some warnings. */ |
775 | static int quiet_warnings = 0; | |
a38cf1db | 776 | |
47926f60 KH |
777 | /* CPU name. */ |
778 | static const char *cpu_arch_name = NULL; | |
6305a203 | 779 | static char *cpu_sub_arch_name = NULL; |
a38cf1db | 780 | |
47926f60 | 781 | /* CPU feature flags. */ |
40fb9820 L |
782 | static i386_cpu_flags cpu_arch_flags = CPU_UNKNOWN_FLAGS; |
783 | ||
ccc9c027 L |
784 | /* If we have selected a cpu we are generating instructions for. */ |
785 | static int cpu_arch_tune_set = 0; | |
786 | ||
9103f4f4 | 787 | /* Cpu we are generating instructions for. */ |
fbf3f584 | 788 | enum processor_type cpu_arch_tune = PROCESSOR_UNKNOWN; |
9103f4f4 L |
789 | |
790 | /* CPU feature flags of cpu we are generating instructions for. */ | |
40fb9820 | 791 | static i386_cpu_flags cpu_arch_tune_flags; |
9103f4f4 | 792 | |
ccc9c027 | 793 | /* CPU instruction set architecture used. */ |
fbf3f584 | 794 | enum processor_type cpu_arch_isa = PROCESSOR_UNKNOWN; |
ccc9c027 | 795 | |
9103f4f4 | 796 | /* CPU feature flags of instruction set architecture used. */ |
fbf3f584 | 797 | i386_cpu_flags cpu_arch_isa_flags; |
9103f4f4 | 798 | |
fddf5b5b AM |
799 | /* If set, conditional jumps are not automatically promoted to handle |
800 | larger than a byte offset. */ | |
801 | static unsigned int no_cond_jump_promotion = 0; | |
802 | ||
c0f3af97 L |
803 | /* Encode SSE instructions with VEX prefix. */ |
804 | static unsigned int sse2avx; | |
805 | ||
539f890d L |
806 | /* Encode scalar AVX instructions with specific vector length. */ |
807 | static enum | |
808 | { | |
809 | vex128 = 0, | |
810 | vex256 | |
811 | } avxscalar; | |
812 | ||
03751133 L |
813 | /* Encode VEX WIG instructions with specific vex.w. */ |
814 | static enum | |
815 | { | |
816 | vexw0 = 0, | |
817 | vexw1 | |
818 | } vexwig; | |
819 | ||
43234a1e L |
820 | /* Encode scalar EVEX LIG instructions with specific vector length. */ |
821 | static enum | |
822 | { | |
823 | evexl128 = 0, | |
824 | evexl256, | |
825 | evexl512 | |
826 | } evexlig; | |
827 | ||
828 | /* Encode EVEX WIG instructions with specific evex.w. */ | |
829 | static enum | |
830 | { | |
831 | evexw0 = 0, | |
832 | evexw1 | |
833 | } evexwig; | |
834 | ||
d3d3c6db IT |
835 | /* Value to encode in EVEX RC bits, for SAE-only instructions. */ |
836 | static enum rc_type evexrcig = rne; | |
837 | ||
29b0f896 | 838 | /* Pre-defined "_GLOBAL_OFFSET_TABLE_". */ |
87c245cc | 839 | static symbolS *GOT_symbol; |
29b0f896 | 840 | |
a4447b93 RH |
841 | /* The dwarf2 return column, adjusted for 32 or 64 bit. */ |
842 | unsigned int x86_dwarf2_return_column; | |
843 | ||
844 | /* The dwarf2 data alignment, adjusted for 32 or 64 bit. */ | |
845 | int x86_cie_data_alignment; | |
846 | ||
252b5132 | 847 | /* Interface to relax_segment. |
fddf5b5b AM |
848 | There are 3 major relax states for 386 jump insns because the |
849 | different types of jumps add different sizes to frags when we're | |
e379e5f3 L |
850 | figuring out what sort of jump to choose to reach a given label. |
851 | ||
852 | BRANCH_PADDING, BRANCH_PREFIX and FUSED_JCC_PADDING are used to align | |
853 | branches which are handled by md_estimate_size_before_relax() and | |
854 | i386_generic_table_relax_frag(). */ | |
252b5132 | 855 | |
47926f60 | 856 | /* Types. */ |
93c2a809 AM |
857 | #define UNCOND_JUMP 0 |
858 | #define COND_JUMP 1 | |
859 | #define COND_JUMP86 2 | |
e379e5f3 L |
860 | #define BRANCH_PADDING 3 |
861 | #define BRANCH_PREFIX 4 | |
862 | #define FUSED_JCC_PADDING 5 | |
fddf5b5b | 863 | |
47926f60 | 864 | /* Sizes. */ |
252b5132 RH |
865 | #define CODE16 1 |
866 | #define SMALL 0 | |
29b0f896 | 867 | #define SMALL16 (SMALL | CODE16) |
252b5132 | 868 | #define BIG 2 |
29b0f896 | 869 | #define BIG16 (BIG | CODE16) |
252b5132 RH |
870 | |
871 | #ifndef INLINE | |
872 | #ifdef __GNUC__ | |
873 | #define INLINE __inline__ | |
874 | #else | |
875 | #define INLINE | |
876 | #endif | |
877 | #endif | |
878 | ||
fddf5b5b AM |
879 | #define ENCODE_RELAX_STATE(type, size) \ |
880 | ((relax_substateT) (((type) << 2) | (size))) | |
881 | #define TYPE_FROM_RELAX_STATE(s) \ | |
882 | ((s) >> 2) | |
883 | #define DISP_SIZE_FROM_RELAX_STATE(s) \ | |
884 | ((((s) & 3) == BIG ? 4 : (((s) & 3) == BIG16 ? 2 : 1))) | |
252b5132 RH |
885 | |
886 | /* This table is used by relax_frag to promote short jumps to long | |
887 | ones where necessary. SMALL (short) jumps may be promoted to BIG | |
888 | (32 bit long) ones, and SMALL16 jumps to BIG16 (16 bit long). We | |
889 | don't allow a short jump in a 32 bit code segment to be promoted to | |
890 | a 16 bit offset jump because it's slower (requires data size | |
891 | prefix), and doesn't work, unless the destination is in the bottom | |
892 | 64k of the code segment (The top 16 bits of eip are zeroed). */ | |
893 | ||
894 | const relax_typeS md_relax_table[] = | |
895 | { | |
24eab124 AM |
896 | /* The fields are: |
897 | 1) most positive reach of this state, | |
898 | 2) most negative reach of this state, | |
93c2a809 | 899 | 3) how many bytes this mode will have in the variable part of the frag |
ce8a8b2f | 900 | 4) which index into the table to try if we can't fit into this one. */ |
252b5132 | 901 | |
fddf5b5b | 902 | /* UNCOND_JUMP states. */ |
93c2a809 AM |
903 | {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (UNCOND_JUMP, BIG)}, |
904 | {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (UNCOND_JUMP, BIG16)}, | |
905 | /* dword jmp adds 4 bytes to frag: | |
906 | 0 extra opcode bytes, 4 displacement bytes. */ | |
252b5132 | 907 | {0, 0, 4, 0}, |
93c2a809 AM |
908 | /* word jmp adds 2 byte2 to frag: |
909 | 0 extra opcode bytes, 2 displacement bytes. */ | |
252b5132 RH |
910 | {0, 0, 2, 0}, |
911 | ||
93c2a809 AM |
912 | /* COND_JUMP states. */ |
913 | {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (COND_JUMP, BIG)}, | |
914 | {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (COND_JUMP, BIG16)}, | |
915 | /* dword conditionals adds 5 bytes to frag: | |
916 | 1 extra opcode byte, 4 displacement bytes. */ | |
917 | {0, 0, 5, 0}, | |
fddf5b5b | 918 | /* word conditionals add 3 bytes to frag: |
93c2a809 AM |
919 | 1 extra opcode byte, 2 displacement bytes. */ |
920 | {0, 0, 3, 0}, | |
921 | ||
922 | /* COND_JUMP86 states. */ | |
923 | {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (COND_JUMP86, BIG)}, | |
924 | {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (COND_JUMP86, BIG16)}, | |
925 | /* dword conditionals adds 5 bytes to frag: | |
926 | 1 extra opcode byte, 4 displacement bytes. */ | |
927 | {0, 0, 5, 0}, | |
928 | /* word conditionals add 4 bytes to frag: | |
929 | 1 displacement byte and a 3 byte long branch insn. */ | |
930 | {0, 0, 4, 0} | |
252b5132 RH |
931 | }; |
932 | ||
9103f4f4 L |
933 | static const arch_entry cpu_arch[] = |
934 | { | |
89507696 JB |
935 | /* Do not replace the first two entries - i386_target_format() |
936 | relies on them being there in this order. */ | |
8a2c8fef | 937 | { STRING_COMMA_LEN ("generic32"), PROCESSOR_GENERIC32, |
293f5f65 | 938 | CPU_GENERIC32_FLAGS, 0 }, |
8a2c8fef | 939 | { STRING_COMMA_LEN ("generic64"), PROCESSOR_GENERIC64, |
293f5f65 | 940 | CPU_GENERIC64_FLAGS, 0 }, |
8a2c8fef | 941 | { STRING_COMMA_LEN ("i8086"), PROCESSOR_UNKNOWN, |
293f5f65 | 942 | CPU_NONE_FLAGS, 0 }, |
8a2c8fef | 943 | { STRING_COMMA_LEN ("i186"), PROCESSOR_UNKNOWN, |
293f5f65 | 944 | CPU_I186_FLAGS, 0 }, |
8a2c8fef | 945 | { STRING_COMMA_LEN ("i286"), PROCESSOR_UNKNOWN, |
293f5f65 | 946 | CPU_I286_FLAGS, 0 }, |
8a2c8fef | 947 | { STRING_COMMA_LEN ("i386"), PROCESSOR_I386, |
293f5f65 | 948 | CPU_I386_FLAGS, 0 }, |
8a2c8fef | 949 | { STRING_COMMA_LEN ("i486"), PROCESSOR_I486, |
293f5f65 | 950 | CPU_I486_FLAGS, 0 }, |
8a2c8fef | 951 | { STRING_COMMA_LEN ("i586"), PROCESSOR_PENTIUM, |
293f5f65 | 952 | CPU_I586_FLAGS, 0 }, |
8a2c8fef | 953 | { STRING_COMMA_LEN ("i686"), PROCESSOR_PENTIUMPRO, |
293f5f65 | 954 | CPU_I686_FLAGS, 0 }, |
8a2c8fef | 955 | { STRING_COMMA_LEN ("pentium"), PROCESSOR_PENTIUM, |
293f5f65 | 956 | CPU_I586_FLAGS, 0 }, |
8a2c8fef | 957 | { STRING_COMMA_LEN ("pentiumpro"), PROCESSOR_PENTIUMPRO, |
293f5f65 | 958 | CPU_PENTIUMPRO_FLAGS, 0 }, |
8a2c8fef | 959 | { STRING_COMMA_LEN ("pentiumii"), PROCESSOR_PENTIUMPRO, |
293f5f65 | 960 | CPU_P2_FLAGS, 0 }, |
8a2c8fef | 961 | { STRING_COMMA_LEN ("pentiumiii"),PROCESSOR_PENTIUMPRO, |
293f5f65 | 962 | CPU_P3_FLAGS, 0 }, |
8a2c8fef | 963 | { STRING_COMMA_LEN ("pentium4"), PROCESSOR_PENTIUM4, |
293f5f65 | 964 | CPU_P4_FLAGS, 0 }, |
8a2c8fef | 965 | { STRING_COMMA_LEN ("prescott"), PROCESSOR_NOCONA, |
293f5f65 | 966 | CPU_CORE_FLAGS, 0 }, |
8a2c8fef | 967 | { STRING_COMMA_LEN ("nocona"), PROCESSOR_NOCONA, |
293f5f65 | 968 | CPU_NOCONA_FLAGS, 0 }, |
8a2c8fef | 969 | { STRING_COMMA_LEN ("yonah"), PROCESSOR_CORE, |
293f5f65 | 970 | CPU_CORE_FLAGS, 1 }, |
8a2c8fef | 971 | { STRING_COMMA_LEN ("core"), PROCESSOR_CORE, |
293f5f65 | 972 | CPU_CORE_FLAGS, 0 }, |
8a2c8fef | 973 | { STRING_COMMA_LEN ("merom"), PROCESSOR_CORE2, |
293f5f65 | 974 | CPU_CORE2_FLAGS, 1 }, |
8a2c8fef | 975 | { STRING_COMMA_LEN ("core2"), PROCESSOR_CORE2, |
293f5f65 | 976 | CPU_CORE2_FLAGS, 0 }, |
8a2c8fef | 977 | { STRING_COMMA_LEN ("corei7"), PROCESSOR_COREI7, |
293f5f65 | 978 | CPU_COREI7_FLAGS, 0 }, |
8a2c8fef | 979 | { STRING_COMMA_LEN ("l1om"), PROCESSOR_L1OM, |
293f5f65 | 980 | CPU_L1OM_FLAGS, 0 }, |
7a9068fe | 981 | { STRING_COMMA_LEN ("k1om"), PROCESSOR_K1OM, |
293f5f65 | 982 | CPU_K1OM_FLAGS, 0 }, |
81486035 | 983 | { STRING_COMMA_LEN ("iamcu"), PROCESSOR_IAMCU, |
293f5f65 | 984 | CPU_IAMCU_FLAGS, 0 }, |
8a2c8fef | 985 | { STRING_COMMA_LEN ("k6"), PROCESSOR_K6, |
293f5f65 | 986 | CPU_K6_FLAGS, 0 }, |
8a2c8fef | 987 | { STRING_COMMA_LEN ("k6_2"), PROCESSOR_K6, |
293f5f65 | 988 | CPU_K6_2_FLAGS, 0 }, |
8a2c8fef | 989 | { STRING_COMMA_LEN ("athlon"), PROCESSOR_ATHLON, |
293f5f65 | 990 | CPU_ATHLON_FLAGS, 0 }, |
8a2c8fef | 991 | { STRING_COMMA_LEN ("sledgehammer"), PROCESSOR_K8, |
293f5f65 | 992 | CPU_K8_FLAGS, 1 }, |
8a2c8fef | 993 | { STRING_COMMA_LEN ("opteron"), PROCESSOR_K8, |
293f5f65 | 994 | CPU_K8_FLAGS, 0 }, |
8a2c8fef | 995 | { STRING_COMMA_LEN ("k8"), PROCESSOR_K8, |
293f5f65 | 996 | CPU_K8_FLAGS, 0 }, |
8a2c8fef | 997 | { STRING_COMMA_LEN ("amdfam10"), PROCESSOR_AMDFAM10, |
293f5f65 | 998 | CPU_AMDFAM10_FLAGS, 0 }, |
8aedb9fe | 999 | { STRING_COMMA_LEN ("bdver1"), PROCESSOR_BD, |
293f5f65 | 1000 | CPU_BDVER1_FLAGS, 0 }, |
8aedb9fe | 1001 | { STRING_COMMA_LEN ("bdver2"), PROCESSOR_BD, |
293f5f65 | 1002 | CPU_BDVER2_FLAGS, 0 }, |
5e5c50d3 | 1003 | { STRING_COMMA_LEN ("bdver3"), PROCESSOR_BD, |
293f5f65 | 1004 | CPU_BDVER3_FLAGS, 0 }, |
c7b0bd56 | 1005 | { STRING_COMMA_LEN ("bdver4"), PROCESSOR_BD, |
293f5f65 | 1006 | CPU_BDVER4_FLAGS, 0 }, |
029f3522 | 1007 | { STRING_COMMA_LEN ("znver1"), PROCESSOR_ZNVER, |
293f5f65 | 1008 | CPU_ZNVER1_FLAGS, 0 }, |
a9660a6f AP |
1009 | { STRING_COMMA_LEN ("znver2"), PROCESSOR_ZNVER, |
1010 | CPU_ZNVER2_FLAGS, 0 }, | |
7b458c12 | 1011 | { STRING_COMMA_LEN ("btver1"), PROCESSOR_BT, |
293f5f65 | 1012 | CPU_BTVER1_FLAGS, 0 }, |
7b458c12 | 1013 | { STRING_COMMA_LEN ("btver2"), PROCESSOR_BT, |
293f5f65 | 1014 | CPU_BTVER2_FLAGS, 0 }, |
8a2c8fef | 1015 | { STRING_COMMA_LEN (".8087"), PROCESSOR_UNKNOWN, |
293f5f65 | 1016 | CPU_8087_FLAGS, 0 }, |
8a2c8fef | 1017 | { STRING_COMMA_LEN (".287"), PROCESSOR_UNKNOWN, |
293f5f65 | 1018 | CPU_287_FLAGS, 0 }, |
8a2c8fef | 1019 | { STRING_COMMA_LEN (".387"), PROCESSOR_UNKNOWN, |
293f5f65 | 1020 | CPU_387_FLAGS, 0 }, |
1848e567 L |
1021 | { STRING_COMMA_LEN (".687"), PROCESSOR_UNKNOWN, |
1022 | CPU_687_FLAGS, 0 }, | |
d871f3f4 L |
1023 | { STRING_COMMA_LEN (".cmov"), PROCESSOR_UNKNOWN, |
1024 | CPU_CMOV_FLAGS, 0 }, | |
1025 | { STRING_COMMA_LEN (".fxsr"), PROCESSOR_UNKNOWN, | |
1026 | CPU_FXSR_FLAGS, 0 }, | |
8a2c8fef | 1027 | { STRING_COMMA_LEN (".mmx"), PROCESSOR_UNKNOWN, |
293f5f65 | 1028 | CPU_MMX_FLAGS, 0 }, |
8a2c8fef | 1029 | { STRING_COMMA_LEN (".sse"), PROCESSOR_UNKNOWN, |
293f5f65 | 1030 | CPU_SSE_FLAGS, 0 }, |
8a2c8fef | 1031 | { STRING_COMMA_LEN (".sse2"), PROCESSOR_UNKNOWN, |
293f5f65 | 1032 | CPU_SSE2_FLAGS, 0 }, |
8a2c8fef | 1033 | { STRING_COMMA_LEN (".sse3"), PROCESSOR_UNKNOWN, |
293f5f65 | 1034 | CPU_SSE3_FLAGS, 0 }, |
af5c13b0 L |
1035 | { STRING_COMMA_LEN (".sse4a"), PROCESSOR_UNKNOWN, |
1036 | CPU_SSE4A_FLAGS, 0 }, | |
8a2c8fef | 1037 | { STRING_COMMA_LEN (".ssse3"), PROCESSOR_UNKNOWN, |
293f5f65 | 1038 | CPU_SSSE3_FLAGS, 0 }, |
8a2c8fef | 1039 | { STRING_COMMA_LEN (".sse4.1"), PROCESSOR_UNKNOWN, |
293f5f65 | 1040 | CPU_SSE4_1_FLAGS, 0 }, |
8a2c8fef | 1041 | { STRING_COMMA_LEN (".sse4.2"), PROCESSOR_UNKNOWN, |
293f5f65 | 1042 | CPU_SSE4_2_FLAGS, 0 }, |
8a2c8fef | 1043 | { STRING_COMMA_LEN (".sse4"), PROCESSOR_UNKNOWN, |
293f5f65 | 1044 | CPU_SSE4_2_FLAGS, 0 }, |
8a2c8fef | 1045 | { STRING_COMMA_LEN (".avx"), PROCESSOR_UNKNOWN, |
293f5f65 | 1046 | CPU_AVX_FLAGS, 0 }, |
6c30d220 | 1047 | { STRING_COMMA_LEN (".avx2"), PROCESSOR_UNKNOWN, |
293f5f65 | 1048 | CPU_AVX2_FLAGS, 0 }, |
43234a1e | 1049 | { STRING_COMMA_LEN (".avx512f"), PROCESSOR_UNKNOWN, |
293f5f65 | 1050 | CPU_AVX512F_FLAGS, 0 }, |
43234a1e | 1051 | { STRING_COMMA_LEN (".avx512cd"), PROCESSOR_UNKNOWN, |
293f5f65 | 1052 | CPU_AVX512CD_FLAGS, 0 }, |
43234a1e | 1053 | { STRING_COMMA_LEN (".avx512er"), PROCESSOR_UNKNOWN, |
293f5f65 | 1054 | CPU_AVX512ER_FLAGS, 0 }, |
43234a1e | 1055 | { STRING_COMMA_LEN (".avx512pf"), PROCESSOR_UNKNOWN, |
293f5f65 | 1056 | CPU_AVX512PF_FLAGS, 0 }, |
1dfc6506 | 1057 | { STRING_COMMA_LEN (".avx512dq"), PROCESSOR_UNKNOWN, |
293f5f65 | 1058 | CPU_AVX512DQ_FLAGS, 0 }, |
1dfc6506 | 1059 | { STRING_COMMA_LEN (".avx512bw"), PROCESSOR_UNKNOWN, |
293f5f65 | 1060 | CPU_AVX512BW_FLAGS, 0 }, |
1dfc6506 | 1061 | { STRING_COMMA_LEN (".avx512vl"), PROCESSOR_UNKNOWN, |
293f5f65 | 1062 | CPU_AVX512VL_FLAGS, 0 }, |
8a2c8fef | 1063 | { STRING_COMMA_LEN (".vmx"), PROCESSOR_UNKNOWN, |
293f5f65 | 1064 | CPU_VMX_FLAGS, 0 }, |
8729a6f6 | 1065 | { STRING_COMMA_LEN (".vmfunc"), PROCESSOR_UNKNOWN, |
293f5f65 | 1066 | CPU_VMFUNC_FLAGS, 0 }, |
8a2c8fef | 1067 | { STRING_COMMA_LEN (".smx"), PROCESSOR_UNKNOWN, |
293f5f65 | 1068 | CPU_SMX_FLAGS, 0 }, |
8a2c8fef | 1069 | { STRING_COMMA_LEN (".xsave"), PROCESSOR_UNKNOWN, |
293f5f65 | 1070 | CPU_XSAVE_FLAGS, 0 }, |
c7b8aa3a | 1071 | { STRING_COMMA_LEN (".xsaveopt"), PROCESSOR_UNKNOWN, |
293f5f65 | 1072 | CPU_XSAVEOPT_FLAGS, 0 }, |
1dfc6506 | 1073 | { STRING_COMMA_LEN (".xsavec"), PROCESSOR_UNKNOWN, |
293f5f65 | 1074 | CPU_XSAVEC_FLAGS, 0 }, |
1dfc6506 | 1075 | { STRING_COMMA_LEN (".xsaves"), PROCESSOR_UNKNOWN, |
293f5f65 | 1076 | CPU_XSAVES_FLAGS, 0 }, |
8a2c8fef | 1077 | { STRING_COMMA_LEN (".aes"), PROCESSOR_UNKNOWN, |
293f5f65 | 1078 | CPU_AES_FLAGS, 0 }, |
8a2c8fef | 1079 | { STRING_COMMA_LEN (".pclmul"), PROCESSOR_UNKNOWN, |
293f5f65 | 1080 | CPU_PCLMUL_FLAGS, 0 }, |
8a2c8fef | 1081 | { STRING_COMMA_LEN (".clmul"), PROCESSOR_UNKNOWN, |
293f5f65 | 1082 | CPU_PCLMUL_FLAGS, 1 }, |
c7b8aa3a | 1083 | { STRING_COMMA_LEN (".fsgsbase"), PROCESSOR_UNKNOWN, |
293f5f65 | 1084 | CPU_FSGSBASE_FLAGS, 0 }, |
c7b8aa3a | 1085 | { STRING_COMMA_LEN (".rdrnd"), PROCESSOR_UNKNOWN, |
293f5f65 | 1086 | CPU_RDRND_FLAGS, 0 }, |
c7b8aa3a | 1087 | { STRING_COMMA_LEN (".f16c"), PROCESSOR_UNKNOWN, |
293f5f65 | 1088 | CPU_F16C_FLAGS, 0 }, |
6c30d220 | 1089 | { STRING_COMMA_LEN (".bmi2"), PROCESSOR_UNKNOWN, |
293f5f65 | 1090 | CPU_BMI2_FLAGS, 0 }, |
8a2c8fef | 1091 | { STRING_COMMA_LEN (".fma"), PROCESSOR_UNKNOWN, |
293f5f65 | 1092 | CPU_FMA_FLAGS, 0 }, |
8a2c8fef | 1093 | { STRING_COMMA_LEN (".fma4"), PROCESSOR_UNKNOWN, |
293f5f65 | 1094 | CPU_FMA4_FLAGS, 0 }, |
8a2c8fef | 1095 | { STRING_COMMA_LEN (".xop"), PROCESSOR_UNKNOWN, |
293f5f65 | 1096 | CPU_XOP_FLAGS, 0 }, |
8a2c8fef | 1097 | { STRING_COMMA_LEN (".lwp"), PROCESSOR_UNKNOWN, |
293f5f65 | 1098 | CPU_LWP_FLAGS, 0 }, |
8a2c8fef | 1099 | { STRING_COMMA_LEN (".movbe"), PROCESSOR_UNKNOWN, |
293f5f65 | 1100 | CPU_MOVBE_FLAGS, 0 }, |
60aa667e | 1101 | { STRING_COMMA_LEN (".cx16"), PROCESSOR_UNKNOWN, |
293f5f65 | 1102 | CPU_CX16_FLAGS, 0 }, |
8a2c8fef | 1103 | { STRING_COMMA_LEN (".ept"), PROCESSOR_UNKNOWN, |
293f5f65 | 1104 | CPU_EPT_FLAGS, 0 }, |
6c30d220 | 1105 | { STRING_COMMA_LEN (".lzcnt"), PROCESSOR_UNKNOWN, |
293f5f65 | 1106 | CPU_LZCNT_FLAGS, 0 }, |
272a84b1 L |
1107 | { STRING_COMMA_LEN (".popcnt"), PROCESSOR_UNKNOWN, |
1108 | CPU_POPCNT_FLAGS, 0 }, | |
42164a71 | 1109 | { STRING_COMMA_LEN (".hle"), PROCESSOR_UNKNOWN, |
293f5f65 | 1110 | CPU_HLE_FLAGS, 0 }, |
42164a71 | 1111 | { STRING_COMMA_LEN (".rtm"), PROCESSOR_UNKNOWN, |
293f5f65 | 1112 | CPU_RTM_FLAGS, 0 }, |
6c30d220 | 1113 | { STRING_COMMA_LEN (".invpcid"), PROCESSOR_UNKNOWN, |
293f5f65 | 1114 | CPU_INVPCID_FLAGS, 0 }, |
8a2c8fef | 1115 | { STRING_COMMA_LEN (".clflush"), PROCESSOR_UNKNOWN, |
293f5f65 | 1116 | CPU_CLFLUSH_FLAGS, 0 }, |
22109423 | 1117 | { STRING_COMMA_LEN (".nop"), PROCESSOR_UNKNOWN, |
293f5f65 | 1118 | CPU_NOP_FLAGS, 0 }, |
8a2c8fef | 1119 | { STRING_COMMA_LEN (".syscall"), PROCESSOR_UNKNOWN, |
293f5f65 | 1120 | CPU_SYSCALL_FLAGS, 0 }, |
8a2c8fef | 1121 | { STRING_COMMA_LEN (".rdtscp"), PROCESSOR_UNKNOWN, |
293f5f65 | 1122 | CPU_RDTSCP_FLAGS, 0 }, |
8a2c8fef | 1123 | { STRING_COMMA_LEN (".3dnow"), PROCESSOR_UNKNOWN, |
293f5f65 | 1124 | CPU_3DNOW_FLAGS, 0 }, |
8a2c8fef | 1125 | { STRING_COMMA_LEN (".3dnowa"), PROCESSOR_UNKNOWN, |
293f5f65 | 1126 | CPU_3DNOWA_FLAGS, 0 }, |
8a2c8fef | 1127 | { STRING_COMMA_LEN (".padlock"), PROCESSOR_UNKNOWN, |
293f5f65 | 1128 | CPU_PADLOCK_FLAGS, 0 }, |
8a2c8fef | 1129 | { STRING_COMMA_LEN (".pacifica"), PROCESSOR_UNKNOWN, |
293f5f65 | 1130 | CPU_SVME_FLAGS, 1 }, |
8a2c8fef | 1131 | { STRING_COMMA_LEN (".svme"), PROCESSOR_UNKNOWN, |
293f5f65 | 1132 | CPU_SVME_FLAGS, 0 }, |
8a2c8fef | 1133 | { STRING_COMMA_LEN (".sse4a"), PROCESSOR_UNKNOWN, |
293f5f65 | 1134 | CPU_SSE4A_FLAGS, 0 }, |
8a2c8fef | 1135 | { STRING_COMMA_LEN (".abm"), PROCESSOR_UNKNOWN, |
293f5f65 | 1136 | CPU_ABM_FLAGS, 0 }, |
87973e9f | 1137 | { STRING_COMMA_LEN (".bmi"), PROCESSOR_UNKNOWN, |
293f5f65 | 1138 | CPU_BMI_FLAGS, 0 }, |
2a2a0f38 | 1139 | { STRING_COMMA_LEN (".tbm"), PROCESSOR_UNKNOWN, |
293f5f65 | 1140 | CPU_TBM_FLAGS, 0 }, |
e2e1fcde | 1141 | { STRING_COMMA_LEN (".adx"), PROCESSOR_UNKNOWN, |
293f5f65 | 1142 | CPU_ADX_FLAGS, 0 }, |
e2e1fcde | 1143 | { STRING_COMMA_LEN (".rdseed"), PROCESSOR_UNKNOWN, |
293f5f65 | 1144 | CPU_RDSEED_FLAGS, 0 }, |
e2e1fcde | 1145 | { STRING_COMMA_LEN (".prfchw"), PROCESSOR_UNKNOWN, |
293f5f65 | 1146 | CPU_PRFCHW_FLAGS, 0 }, |
5c111e37 | 1147 | { STRING_COMMA_LEN (".smap"), PROCESSOR_UNKNOWN, |
293f5f65 | 1148 | CPU_SMAP_FLAGS, 0 }, |
7e8b059b | 1149 | { STRING_COMMA_LEN (".mpx"), PROCESSOR_UNKNOWN, |
293f5f65 | 1150 | CPU_MPX_FLAGS, 0 }, |
a0046408 | 1151 | { STRING_COMMA_LEN (".sha"), PROCESSOR_UNKNOWN, |
293f5f65 | 1152 | CPU_SHA_FLAGS, 0 }, |
963f3586 | 1153 | { STRING_COMMA_LEN (".clflushopt"), PROCESSOR_UNKNOWN, |
293f5f65 | 1154 | CPU_CLFLUSHOPT_FLAGS, 0 }, |
dcf893b5 | 1155 | { STRING_COMMA_LEN (".prefetchwt1"), PROCESSOR_UNKNOWN, |
293f5f65 | 1156 | CPU_PREFETCHWT1_FLAGS, 0 }, |
2cf200a4 | 1157 | { STRING_COMMA_LEN (".se1"), PROCESSOR_UNKNOWN, |
293f5f65 | 1158 | CPU_SE1_FLAGS, 0 }, |
c5e7287a | 1159 | { STRING_COMMA_LEN (".clwb"), PROCESSOR_UNKNOWN, |
293f5f65 | 1160 | CPU_CLWB_FLAGS, 0 }, |
2cc1b5aa | 1161 | { STRING_COMMA_LEN (".avx512ifma"), PROCESSOR_UNKNOWN, |
293f5f65 | 1162 | CPU_AVX512IFMA_FLAGS, 0 }, |
14f195c9 | 1163 | { STRING_COMMA_LEN (".avx512vbmi"), PROCESSOR_UNKNOWN, |
293f5f65 | 1164 | CPU_AVX512VBMI_FLAGS, 0 }, |
920d2ddc IT |
1165 | { STRING_COMMA_LEN (".avx512_4fmaps"), PROCESSOR_UNKNOWN, |
1166 | CPU_AVX512_4FMAPS_FLAGS, 0 }, | |
47acf0bd IT |
1167 | { STRING_COMMA_LEN (".avx512_4vnniw"), PROCESSOR_UNKNOWN, |
1168 | CPU_AVX512_4VNNIW_FLAGS, 0 }, | |
620214f7 IT |
1169 | { STRING_COMMA_LEN (".avx512_vpopcntdq"), PROCESSOR_UNKNOWN, |
1170 | CPU_AVX512_VPOPCNTDQ_FLAGS, 0 }, | |
53467f57 IT |
1171 | { STRING_COMMA_LEN (".avx512_vbmi2"), PROCESSOR_UNKNOWN, |
1172 | CPU_AVX512_VBMI2_FLAGS, 0 }, | |
8cfcb765 IT |
1173 | { STRING_COMMA_LEN (".avx512_vnni"), PROCESSOR_UNKNOWN, |
1174 | CPU_AVX512_VNNI_FLAGS, 0 }, | |
ee6872be IT |
1175 | { STRING_COMMA_LEN (".avx512_bitalg"), PROCESSOR_UNKNOWN, |
1176 | CPU_AVX512_BITALG_FLAGS, 0 }, | |
029f3522 | 1177 | { STRING_COMMA_LEN (".clzero"), PROCESSOR_UNKNOWN, |
293f5f65 | 1178 | CPU_CLZERO_FLAGS, 0 }, |
9916071f | 1179 | { STRING_COMMA_LEN (".mwaitx"), PROCESSOR_UNKNOWN, |
293f5f65 | 1180 | CPU_MWAITX_FLAGS, 0 }, |
8eab4136 | 1181 | { STRING_COMMA_LEN (".ospke"), PROCESSOR_UNKNOWN, |
293f5f65 | 1182 | CPU_OSPKE_FLAGS, 0 }, |
8bc52696 | 1183 | { STRING_COMMA_LEN (".rdpid"), PROCESSOR_UNKNOWN, |
293f5f65 | 1184 | CPU_RDPID_FLAGS, 0 }, |
6b40c462 L |
1185 | { STRING_COMMA_LEN (".ptwrite"), PROCESSOR_UNKNOWN, |
1186 | CPU_PTWRITE_FLAGS, 0 }, | |
d777820b IT |
1187 | { STRING_COMMA_LEN (".ibt"), PROCESSOR_UNKNOWN, |
1188 | CPU_IBT_FLAGS, 0 }, | |
1189 | { STRING_COMMA_LEN (".shstk"), PROCESSOR_UNKNOWN, | |
1190 | CPU_SHSTK_FLAGS, 0 }, | |
48521003 IT |
1191 | { STRING_COMMA_LEN (".gfni"), PROCESSOR_UNKNOWN, |
1192 | CPU_GFNI_FLAGS, 0 }, | |
8dcf1fad IT |
1193 | { STRING_COMMA_LEN (".vaes"), PROCESSOR_UNKNOWN, |
1194 | CPU_VAES_FLAGS, 0 }, | |
ff1982d5 IT |
1195 | { STRING_COMMA_LEN (".vpclmulqdq"), PROCESSOR_UNKNOWN, |
1196 | CPU_VPCLMULQDQ_FLAGS, 0 }, | |
3233d7d0 IT |
1197 | { STRING_COMMA_LEN (".wbnoinvd"), PROCESSOR_UNKNOWN, |
1198 | CPU_WBNOINVD_FLAGS, 0 }, | |
be3a8dca IT |
1199 | { STRING_COMMA_LEN (".pconfig"), PROCESSOR_UNKNOWN, |
1200 | CPU_PCONFIG_FLAGS, 0 }, | |
de89d0a3 IT |
1201 | { STRING_COMMA_LEN (".waitpkg"), PROCESSOR_UNKNOWN, |
1202 | CPU_WAITPKG_FLAGS, 0 }, | |
c48935d7 IT |
1203 | { STRING_COMMA_LEN (".cldemote"), PROCESSOR_UNKNOWN, |
1204 | CPU_CLDEMOTE_FLAGS, 0 }, | |
c0a30a9f L |
1205 | { STRING_COMMA_LEN (".movdiri"), PROCESSOR_UNKNOWN, |
1206 | CPU_MOVDIRI_FLAGS, 0 }, | |
1207 | { STRING_COMMA_LEN (".movdir64b"), PROCESSOR_UNKNOWN, | |
1208 | CPU_MOVDIR64B_FLAGS, 0 }, | |
d6aab7a1 XG |
1209 | { STRING_COMMA_LEN (".avx512_bf16"), PROCESSOR_UNKNOWN, |
1210 | CPU_AVX512_BF16_FLAGS, 0 }, | |
9186c494 L |
1211 | { STRING_COMMA_LEN (".avx512_vp2intersect"), PROCESSOR_UNKNOWN, |
1212 | CPU_AVX512_VP2INTERSECT_FLAGS, 0 }, | |
dd455cf5 L |
1213 | { STRING_COMMA_LEN (".enqcmd"), PROCESSOR_UNKNOWN, |
1214 | CPU_ENQCMD_FLAGS, 0 }, | |
4b27d27c L |
1215 | { STRING_COMMA_LEN (".serialize"), PROCESSOR_UNKNOWN, |
1216 | CPU_SERIALIZE_FLAGS, 0 }, | |
142861df JB |
1217 | { STRING_COMMA_LEN (".rdpru"), PROCESSOR_UNKNOWN, |
1218 | CPU_RDPRU_FLAGS, 0 }, | |
1219 | { STRING_COMMA_LEN (".mcommit"), PROCESSOR_UNKNOWN, | |
1220 | CPU_MCOMMIT_FLAGS, 0 }, | |
a847e322 JB |
1221 | { STRING_COMMA_LEN (".sev_es"), PROCESSOR_UNKNOWN, |
1222 | CPU_SEV_ES_FLAGS, 0 }, | |
bb651e8b CL |
1223 | { STRING_COMMA_LEN (".tsxldtrk"), PROCESSOR_UNKNOWN, |
1224 | CPU_TSXLDTRK_FLAGS, 0 }, | |
293f5f65 L |
1225 | }; |
1226 | ||
1227 | static const noarch_entry cpu_noarch[] = | |
1228 | { | |
1229 | { STRING_COMMA_LEN ("no87"), CPU_ANY_X87_FLAGS }, | |
1848e567 L |
1230 | { STRING_COMMA_LEN ("no287"), CPU_ANY_287_FLAGS }, |
1231 | { STRING_COMMA_LEN ("no387"), CPU_ANY_387_FLAGS }, | |
1232 | { STRING_COMMA_LEN ("no687"), CPU_ANY_687_FLAGS }, | |
d871f3f4 L |
1233 | { STRING_COMMA_LEN ("nocmov"), CPU_ANY_CMOV_FLAGS }, |
1234 | { STRING_COMMA_LEN ("nofxsr"), CPU_ANY_FXSR_FLAGS }, | |
293f5f65 L |
1235 | { STRING_COMMA_LEN ("nommx"), CPU_ANY_MMX_FLAGS }, |
1236 | { STRING_COMMA_LEN ("nosse"), CPU_ANY_SSE_FLAGS }, | |
1848e567 L |
1237 | { STRING_COMMA_LEN ("nosse2"), CPU_ANY_SSE2_FLAGS }, |
1238 | { STRING_COMMA_LEN ("nosse3"), CPU_ANY_SSE3_FLAGS }, | |
af5c13b0 | 1239 | { STRING_COMMA_LEN ("nosse4a"), CPU_ANY_SSE4A_FLAGS }, |
1848e567 L |
1240 | { STRING_COMMA_LEN ("nossse3"), CPU_ANY_SSSE3_FLAGS }, |
1241 | { STRING_COMMA_LEN ("nosse4.1"), CPU_ANY_SSE4_1_FLAGS }, | |
1242 | { STRING_COMMA_LEN ("nosse4.2"), CPU_ANY_SSE4_2_FLAGS }, | |
af5c13b0 | 1243 | { STRING_COMMA_LEN ("nosse4"), CPU_ANY_SSE4_1_FLAGS }, |
293f5f65 | 1244 | { STRING_COMMA_LEN ("noavx"), CPU_ANY_AVX_FLAGS }, |
1848e567 | 1245 | { STRING_COMMA_LEN ("noavx2"), CPU_ANY_AVX2_FLAGS }, |
144b71e2 L |
1246 | { STRING_COMMA_LEN ("noavx512f"), CPU_ANY_AVX512F_FLAGS }, |
1247 | { STRING_COMMA_LEN ("noavx512cd"), CPU_ANY_AVX512CD_FLAGS }, | |
1248 | { STRING_COMMA_LEN ("noavx512er"), CPU_ANY_AVX512ER_FLAGS }, | |
1249 | { STRING_COMMA_LEN ("noavx512pf"), CPU_ANY_AVX512PF_FLAGS }, | |
1250 | { STRING_COMMA_LEN ("noavx512dq"), CPU_ANY_AVX512DQ_FLAGS }, | |
1251 | { STRING_COMMA_LEN ("noavx512bw"), CPU_ANY_AVX512BW_FLAGS }, | |
1252 | { STRING_COMMA_LEN ("noavx512vl"), CPU_ANY_AVX512VL_FLAGS }, | |
1253 | { STRING_COMMA_LEN ("noavx512ifma"), CPU_ANY_AVX512IFMA_FLAGS }, | |
1254 | { STRING_COMMA_LEN ("noavx512vbmi"), CPU_ANY_AVX512VBMI_FLAGS }, | |
920d2ddc | 1255 | { STRING_COMMA_LEN ("noavx512_4fmaps"), CPU_ANY_AVX512_4FMAPS_FLAGS }, |
47acf0bd | 1256 | { STRING_COMMA_LEN ("noavx512_4vnniw"), CPU_ANY_AVX512_4VNNIW_FLAGS }, |
620214f7 | 1257 | { STRING_COMMA_LEN ("noavx512_vpopcntdq"), CPU_ANY_AVX512_VPOPCNTDQ_FLAGS }, |
53467f57 | 1258 | { STRING_COMMA_LEN ("noavx512_vbmi2"), CPU_ANY_AVX512_VBMI2_FLAGS }, |
8cfcb765 | 1259 | { STRING_COMMA_LEN ("noavx512_vnni"), CPU_ANY_AVX512_VNNI_FLAGS }, |
ee6872be | 1260 | { STRING_COMMA_LEN ("noavx512_bitalg"), CPU_ANY_AVX512_BITALG_FLAGS }, |
d777820b IT |
1261 | { STRING_COMMA_LEN ("noibt"), CPU_ANY_IBT_FLAGS }, |
1262 | { STRING_COMMA_LEN ("noshstk"), CPU_ANY_SHSTK_FLAGS }, | |
c0a30a9f L |
1263 | { STRING_COMMA_LEN ("nomovdiri"), CPU_ANY_MOVDIRI_FLAGS }, |
1264 | { STRING_COMMA_LEN ("nomovdir64b"), CPU_ANY_MOVDIR64B_FLAGS }, | |
d6aab7a1 | 1265 | { STRING_COMMA_LEN ("noavx512_bf16"), CPU_ANY_AVX512_BF16_FLAGS }, |
708a2fff CL |
1266 | { STRING_COMMA_LEN ("noavx512_vp2intersect"), |
1267 | CPU_ANY_AVX512_VP2INTERSECT_FLAGS }, | |
dd455cf5 | 1268 | { STRING_COMMA_LEN ("noenqcmd"), CPU_ANY_ENQCMD_FLAGS }, |
4b27d27c | 1269 | { STRING_COMMA_LEN ("noserialize"), CPU_ANY_SERIALIZE_FLAGS }, |
bb651e8b | 1270 | { STRING_COMMA_LEN ("notsxldtrk"), CPU_ANY_TSXLDTRK_FLAGS }, |
e413e4e9 AM |
1271 | }; |
1272 | ||
704209c0 | 1273 | #ifdef I386COFF |
a6c24e68 NC |
1274 | /* Like s_lcomm_internal in gas/read.c but the alignment string |
1275 | is allowed to be optional. */ | |
1276 | ||
1277 | static symbolS * | |
1278 | pe_lcomm_internal (int needs_align, symbolS *symbolP, addressT size) | |
1279 | { | |
1280 | addressT align = 0; | |
1281 | ||
1282 | SKIP_WHITESPACE (); | |
1283 | ||
7ab9ffdd | 1284 | if (needs_align |
a6c24e68 NC |
1285 | && *input_line_pointer == ',') |
1286 | { | |
1287 | align = parse_align (needs_align - 1); | |
7ab9ffdd | 1288 | |
a6c24e68 NC |
1289 | if (align == (addressT) -1) |
1290 | return NULL; | |
1291 | } | |
1292 | else | |
1293 | { | |
1294 | if (size >= 8) | |
1295 | align = 3; | |
1296 | else if (size >= 4) | |
1297 | align = 2; | |
1298 | else if (size >= 2) | |
1299 | align = 1; | |
1300 | else | |
1301 | align = 0; | |
1302 | } | |
1303 | ||
1304 | bss_alloc (symbolP, size, align); | |
1305 | return symbolP; | |
1306 | } | |
1307 | ||
704209c0 | 1308 | static void |
a6c24e68 NC |
1309 | pe_lcomm (int needs_align) |
1310 | { | |
1311 | s_comm_internal (needs_align * 2, pe_lcomm_internal); | |
1312 | } | |
704209c0 | 1313 | #endif |
a6c24e68 | 1314 | |
29b0f896 AM |
1315 | const pseudo_typeS md_pseudo_table[] = |
1316 | { | |
1317 | #if !defined(OBJ_AOUT) && !defined(USE_ALIGN_PTWO) | |
1318 | {"align", s_align_bytes, 0}, | |
1319 | #else | |
1320 | {"align", s_align_ptwo, 0}, | |
1321 | #endif | |
1322 | {"arch", set_cpu_arch, 0}, | |
1323 | #ifndef I386COFF | |
1324 | {"bss", s_bss, 0}, | |
a6c24e68 NC |
1325 | #else |
1326 | {"lcomm", pe_lcomm, 1}, | |
29b0f896 AM |
1327 | #endif |
1328 | {"ffloat", float_cons, 'f'}, | |
1329 | {"dfloat", float_cons, 'd'}, | |
1330 | {"tfloat", float_cons, 'x'}, | |
1331 | {"value", cons, 2}, | |
d182319b | 1332 | {"slong", signed_cons, 4}, |
29b0f896 AM |
1333 | {"noopt", s_ignore, 0}, |
1334 | {"optim", s_ignore, 0}, | |
1335 | {"code16gcc", set_16bit_gcc_code_flag, CODE_16BIT}, | |
1336 | {"code16", set_code_flag, CODE_16BIT}, | |
1337 | {"code32", set_code_flag, CODE_32BIT}, | |
da5f19a2 | 1338 | #ifdef BFD64 |
29b0f896 | 1339 | {"code64", set_code_flag, CODE_64BIT}, |
da5f19a2 | 1340 | #endif |
29b0f896 AM |
1341 | {"intel_syntax", set_intel_syntax, 1}, |
1342 | {"att_syntax", set_intel_syntax, 0}, | |
1efbbeb4 L |
1343 | {"intel_mnemonic", set_intel_mnemonic, 1}, |
1344 | {"att_mnemonic", set_intel_mnemonic, 0}, | |
db51cc60 L |
1345 | {"allow_index_reg", set_allow_index_reg, 1}, |
1346 | {"disallow_index_reg", set_allow_index_reg, 0}, | |
7bab8ab5 JB |
1347 | {"sse_check", set_check, 0}, |
1348 | {"operand_check", set_check, 1}, | |
3b22753a L |
1349 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
1350 | {"largecomm", handle_large_common, 0}, | |
07a53e5c | 1351 | #else |
68d20676 | 1352 | {"file", dwarf2_directive_file, 0}, |
07a53e5c RH |
1353 | {"loc", dwarf2_directive_loc, 0}, |
1354 | {"loc_mark_labels", dwarf2_directive_loc_mark_labels, 0}, | |
3b22753a | 1355 | #endif |
6482c264 NC |
1356 | #ifdef TE_PE |
1357 | {"secrel32", pe_directive_secrel, 0}, | |
1358 | #endif | |
29b0f896 AM |
1359 | {0, 0, 0} |
1360 | }; | |
1361 | ||
1362 | /* For interface with expression (). */ | |
1363 | extern char *input_line_pointer; | |
1364 | ||
1365 | /* Hash table for instruction mnemonic lookup. */ | |
1366 | static struct hash_control *op_hash; | |
1367 | ||
1368 | /* Hash table for register lookup. */ | |
1369 | static struct hash_control *reg_hash; | |
1370 | \f | |
ce8a8b2f AM |
1371 | /* Various efficient no-op patterns for aligning code labels. |
1372 | Note: Don't try to assemble the instructions in the comments. | |
1373 | 0L and 0w are not legal. */ | |
62a02d25 L |
1374 | static const unsigned char f32_1[] = |
1375 | {0x90}; /* nop */ | |
1376 | static const unsigned char f32_2[] = | |
1377 | {0x66,0x90}; /* xchg %ax,%ax */ | |
1378 | static const unsigned char f32_3[] = | |
1379 | {0x8d,0x76,0x00}; /* leal 0(%esi),%esi */ | |
1380 | static const unsigned char f32_4[] = | |
1381 | {0x8d,0x74,0x26,0x00}; /* leal 0(%esi,1),%esi */ | |
62a02d25 L |
1382 | static const unsigned char f32_6[] = |
1383 | {0x8d,0xb6,0x00,0x00,0x00,0x00}; /* leal 0L(%esi),%esi */ | |
1384 | static const unsigned char f32_7[] = | |
1385 | {0x8d,0xb4,0x26,0x00,0x00,0x00,0x00}; /* leal 0L(%esi,1),%esi */ | |
62a02d25 | 1386 | static const unsigned char f16_3[] = |
3ae729d5 | 1387 | {0x8d,0x74,0x00}; /* lea 0(%si),%si */ |
62a02d25 | 1388 | static const unsigned char f16_4[] = |
3ae729d5 L |
1389 | {0x8d,0xb4,0x00,0x00}; /* lea 0W(%si),%si */ |
1390 | static const unsigned char jump_disp8[] = | |
1391 | {0xeb}; /* jmp disp8 */ | |
1392 | static const unsigned char jump32_disp32[] = | |
1393 | {0xe9}; /* jmp disp32 */ | |
1394 | static const unsigned char jump16_disp32[] = | |
1395 | {0x66,0xe9}; /* jmp disp32 */ | |
62a02d25 L |
1396 | /* 32-bit NOPs patterns. */ |
1397 | static const unsigned char *const f32_patt[] = { | |
3ae729d5 | 1398 | f32_1, f32_2, f32_3, f32_4, NULL, f32_6, f32_7 |
62a02d25 L |
1399 | }; |
1400 | /* 16-bit NOPs patterns. */ | |
1401 | static const unsigned char *const f16_patt[] = { | |
3ae729d5 | 1402 | f32_1, f32_2, f16_3, f16_4 |
62a02d25 L |
1403 | }; |
1404 | /* nopl (%[re]ax) */ | |
1405 | static const unsigned char alt_3[] = | |
1406 | {0x0f,0x1f,0x00}; | |
1407 | /* nopl 0(%[re]ax) */ | |
1408 | static const unsigned char alt_4[] = | |
1409 | {0x0f,0x1f,0x40,0x00}; | |
1410 | /* nopl 0(%[re]ax,%[re]ax,1) */ | |
1411 | static const unsigned char alt_5[] = | |
1412 | {0x0f,0x1f,0x44,0x00,0x00}; | |
1413 | /* nopw 0(%[re]ax,%[re]ax,1) */ | |
1414 | static const unsigned char alt_6[] = | |
1415 | {0x66,0x0f,0x1f,0x44,0x00,0x00}; | |
1416 | /* nopl 0L(%[re]ax) */ | |
1417 | static const unsigned char alt_7[] = | |
1418 | {0x0f,0x1f,0x80,0x00,0x00,0x00,0x00}; | |
1419 | /* nopl 0L(%[re]ax,%[re]ax,1) */ | |
1420 | static const unsigned char alt_8[] = | |
1421 | {0x0f,0x1f,0x84,0x00,0x00,0x00,0x00,0x00}; | |
1422 | /* nopw 0L(%[re]ax,%[re]ax,1) */ | |
1423 | static const unsigned char alt_9[] = | |
1424 | {0x66,0x0f,0x1f,0x84,0x00,0x00,0x00,0x00,0x00}; | |
1425 | /* nopw %cs:0L(%[re]ax,%[re]ax,1) */ | |
1426 | static const unsigned char alt_10[] = | |
1427 | {0x66,0x2e,0x0f,0x1f,0x84,0x00,0x00,0x00,0x00,0x00}; | |
3ae729d5 L |
1428 | /* data16 nopw %cs:0L(%eax,%eax,1) */ |
1429 | static const unsigned char alt_11[] = | |
1430 | {0x66,0x66,0x2e,0x0f,0x1f,0x84,0x00,0x00,0x00,0x00,0x00}; | |
62a02d25 L |
1431 | /* 32-bit and 64-bit NOPs patterns. */ |
1432 | static const unsigned char *const alt_patt[] = { | |
1433 | f32_1, f32_2, alt_3, alt_4, alt_5, alt_6, alt_7, alt_8, | |
3ae729d5 | 1434 | alt_9, alt_10, alt_11 |
62a02d25 L |
1435 | }; |
1436 | ||
1437 | /* Genenerate COUNT bytes of NOPs to WHERE from PATT with the maximum | |
1438 | size of a single NOP instruction MAX_SINGLE_NOP_SIZE. */ | |
1439 | ||
1440 | static void | |
1441 | i386_output_nops (char *where, const unsigned char *const *patt, | |
1442 | int count, int max_single_nop_size) | |
1443 | ||
1444 | { | |
3ae729d5 L |
1445 | /* Place the longer NOP first. */ |
1446 | int last; | |
1447 | int offset; | |
3076e594 NC |
1448 | const unsigned char *nops; |
1449 | ||
1450 | if (max_single_nop_size < 1) | |
1451 | { | |
1452 | as_fatal (_("i386_output_nops called to generate nops of at most %d bytes!"), | |
1453 | max_single_nop_size); | |
1454 | return; | |
1455 | } | |
1456 | ||
1457 | nops = patt[max_single_nop_size - 1]; | |
3ae729d5 L |
1458 | |
1459 | /* Use the smaller one if the requsted one isn't available. */ | |
1460 | if (nops == NULL) | |
62a02d25 | 1461 | { |
3ae729d5 L |
1462 | max_single_nop_size--; |
1463 | nops = patt[max_single_nop_size - 1]; | |
62a02d25 L |
1464 | } |
1465 | ||
3ae729d5 L |
1466 | last = count % max_single_nop_size; |
1467 | ||
1468 | count -= last; | |
1469 | for (offset = 0; offset < count; offset += max_single_nop_size) | |
1470 | memcpy (where + offset, nops, max_single_nop_size); | |
1471 | ||
1472 | if (last) | |
1473 | { | |
1474 | nops = patt[last - 1]; | |
1475 | if (nops == NULL) | |
1476 | { | |
1477 | /* Use the smaller one plus one-byte NOP if the needed one | |
1478 | isn't available. */ | |
1479 | last--; | |
1480 | nops = patt[last - 1]; | |
1481 | memcpy (where + offset, nops, last); | |
1482 | where[offset + last] = *patt[0]; | |
1483 | } | |
1484 | else | |
1485 | memcpy (where + offset, nops, last); | |
1486 | } | |
62a02d25 L |
1487 | } |
1488 | ||
3ae729d5 L |
1489 | static INLINE int |
1490 | fits_in_imm7 (offsetT num) | |
1491 | { | |
1492 | return (num & 0x7f) == num; | |
1493 | } | |
1494 | ||
1495 | static INLINE int | |
1496 | fits_in_imm31 (offsetT num) | |
1497 | { | |
1498 | return (num & 0x7fffffff) == num; | |
1499 | } | |
62a02d25 L |
1500 | |
1501 | /* Genenerate COUNT bytes of NOPs to WHERE with the maximum size of a | |
1502 | single NOP instruction LIMIT. */ | |
1503 | ||
1504 | void | |
3ae729d5 | 1505 | i386_generate_nops (fragS *fragP, char *where, offsetT count, int limit) |
62a02d25 | 1506 | { |
3ae729d5 | 1507 | const unsigned char *const *patt = NULL; |
62a02d25 | 1508 | int max_single_nop_size; |
3ae729d5 L |
1509 | /* Maximum number of NOPs before switching to jump over NOPs. */ |
1510 | int max_number_of_nops; | |
62a02d25 | 1511 | |
3ae729d5 | 1512 | switch (fragP->fr_type) |
62a02d25 | 1513 | { |
3ae729d5 L |
1514 | case rs_fill_nop: |
1515 | case rs_align_code: | |
1516 | break; | |
e379e5f3 L |
1517 | case rs_machine_dependent: |
1518 | /* Allow NOP padding for jumps and calls. */ | |
1519 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PADDING | |
1520 | || TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == FUSED_JCC_PADDING) | |
1521 | break; | |
1522 | /* Fall through. */ | |
3ae729d5 | 1523 | default: |
62a02d25 L |
1524 | return; |
1525 | } | |
1526 | ||
ccc9c027 L |
1527 | /* We need to decide which NOP sequence to use for 32bit and |
1528 | 64bit. When -mtune= is used: | |
4eed87de | 1529 | |
76bc74dc L |
1530 | 1. For PROCESSOR_I386, PROCESSOR_I486, PROCESSOR_PENTIUM and |
1531 | PROCESSOR_GENERIC32, f32_patt will be used. | |
80b8656c L |
1532 | 2. For the rest, alt_patt will be used. |
1533 | ||
1534 | When -mtune= isn't used, alt_patt will be used if | |
22109423 | 1535 | cpu_arch_isa_flags has CpuNop. Otherwise, f32_patt will |
76bc74dc | 1536 | be used. |
ccc9c027 L |
1537 | |
1538 | When -march= or .arch is used, we can't use anything beyond | |
1539 | cpu_arch_isa_flags. */ | |
1540 | ||
1541 | if (flag_code == CODE_16BIT) | |
1542 | { | |
3ae729d5 L |
1543 | patt = f16_patt; |
1544 | max_single_nop_size = sizeof (f16_patt) / sizeof (f16_patt[0]); | |
1545 | /* Limit number of NOPs to 2 in 16-bit mode. */ | |
1546 | max_number_of_nops = 2; | |
252b5132 | 1547 | } |
33fef721 | 1548 | else |
ccc9c027 | 1549 | { |
fbf3f584 | 1550 | if (fragP->tc_frag_data.isa == PROCESSOR_UNKNOWN) |
ccc9c027 L |
1551 | { |
1552 | /* PROCESSOR_UNKNOWN means that all ISAs may be used. */ | |
1553 | switch (cpu_arch_tune) | |
1554 | { | |
1555 | case PROCESSOR_UNKNOWN: | |
1556 | /* We use cpu_arch_isa_flags to check if we SHOULD | |
22109423 L |
1557 | optimize with nops. */ |
1558 | if (fragP->tc_frag_data.isa_flags.bitfield.cpunop) | |
80b8656c | 1559 | patt = alt_patt; |
ccc9c027 L |
1560 | else |
1561 | patt = f32_patt; | |
1562 | break; | |
ccc9c027 L |
1563 | case PROCESSOR_PENTIUM4: |
1564 | case PROCESSOR_NOCONA: | |
ef05d495 | 1565 | case PROCESSOR_CORE: |
76bc74dc | 1566 | case PROCESSOR_CORE2: |
bd5295b2 | 1567 | case PROCESSOR_COREI7: |
3632d14b | 1568 | case PROCESSOR_L1OM: |
7a9068fe | 1569 | case PROCESSOR_K1OM: |
76bc74dc | 1570 | case PROCESSOR_GENERIC64: |
ccc9c027 L |
1571 | case PROCESSOR_K6: |
1572 | case PROCESSOR_ATHLON: | |
1573 | case PROCESSOR_K8: | |
4eed87de | 1574 | case PROCESSOR_AMDFAM10: |
8aedb9fe | 1575 | case PROCESSOR_BD: |
029f3522 | 1576 | case PROCESSOR_ZNVER: |
7b458c12 | 1577 | case PROCESSOR_BT: |
80b8656c | 1578 | patt = alt_patt; |
ccc9c027 | 1579 | break; |
76bc74dc | 1580 | case PROCESSOR_I386: |
ccc9c027 L |
1581 | case PROCESSOR_I486: |
1582 | case PROCESSOR_PENTIUM: | |
2dde1948 | 1583 | case PROCESSOR_PENTIUMPRO: |
81486035 | 1584 | case PROCESSOR_IAMCU: |
ccc9c027 L |
1585 | case PROCESSOR_GENERIC32: |
1586 | patt = f32_patt; | |
1587 | break; | |
4eed87de | 1588 | } |
ccc9c027 L |
1589 | } |
1590 | else | |
1591 | { | |
fbf3f584 | 1592 | switch (fragP->tc_frag_data.tune) |
ccc9c027 L |
1593 | { |
1594 | case PROCESSOR_UNKNOWN: | |
e6a14101 | 1595 | /* When cpu_arch_isa is set, cpu_arch_tune shouldn't be |
ccc9c027 L |
1596 | PROCESSOR_UNKNOWN. */ |
1597 | abort (); | |
1598 | break; | |
1599 | ||
76bc74dc | 1600 | case PROCESSOR_I386: |
ccc9c027 L |
1601 | case PROCESSOR_I486: |
1602 | case PROCESSOR_PENTIUM: | |
81486035 | 1603 | case PROCESSOR_IAMCU: |
ccc9c027 L |
1604 | case PROCESSOR_K6: |
1605 | case PROCESSOR_ATHLON: | |
1606 | case PROCESSOR_K8: | |
4eed87de | 1607 | case PROCESSOR_AMDFAM10: |
8aedb9fe | 1608 | case PROCESSOR_BD: |
029f3522 | 1609 | case PROCESSOR_ZNVER: |
7b458c12 | 1610 | case PROCESSOR_BT: |
ccc9c027 L |
1611 | case PROCESSOR_GENERIC32: |
1612 | /* We use cpu_arch_isa_flags to check if we CAN optimize | |
22109423 L |
1613 | with nops. */ |
1614 | if (fragP->tc_frag_data.isa_flags.bitfield.cpunop) | |
80b8656c | 1615 | patt = alt_patt; |
ccc9c027 L |
1616 | else |
1617 | patt = f32_patt; | |
1618 | break; | |
76bc74dc L |
1619 | case PROCESSOR_PENTIUMPRO: |
1620 | case PROCESSOR_PENTIUM4: | |
1621 | case PROCESSOR_NOCONA: | |
1622 | case PROCESSOR_CORE: | |
ef05d495 | 1623 | case PROCESSOR_CORE2: |
bd5295b2 | 1624 | case PROCESSOR_COREI7: |
3632d14b | 1625 | case PROCESSOR_L1OM: |
7a9068fe | 1626 | case PROCESSOR_K1OM: |
22109423 | 1627 | if (fragP->tc_frag_data.isa_flags.bitfield.cpunop) |
80b8656c | 1628 | patt = alt_patt; |
ccc9c027 L |
1629 | else |
1630 | patt = f32_patt; | |
1631 | break; | |
1632 | case PROCESSOR_GENERIC64: | |
80b8656c | 1633 | patt = alt_patt; |
ccc9c027 | 1634 | break; |
4eed87de | 1635 | } |
ccc9c027 L |
1636 | } |
1637 | ||
76bc74dc L |
1638 | if (patt == f32_patt) |
1639 | { | |
3ae729d5 L |
1640 | max_single_nop_size = sizeof (f32_patt) / sizeof (f32_patt[0]); |
1641 | /* Limit number of NOPs to 2 for older processors. */ | |
1642 | max_number_of_nops = 2; | |
76bc74dc L |
1643 | } |
1644 | else | |
1645 | { | |
3ae729d5 L |
1646 | max_single_nop_size = sizeof (alt_patt) / sizeof (alt_patt[0]); |
1647 | /* Limit number of NOPs to 7 for newer processors. */ | |
1648 | max_number_of_nops = 7; | |
1649 | } | |
1650 | } | |
1651 | ||
1652 | if (limit == 0) | |
1653 | limit = max_single_nop_size; | |
1654 | ||
1655 | if (fragP->fr_type == rs_fill_nop) | |
1656 | { | |
1657 | /* Output NOPs for .nop directive. */ | |
1658 | if (limit > max_single_nop_size) | |
1659 | { | |
1660 | as_bad_where (fragP->fr_file, fragP->fr_line, | |
1661 | _("invalid single nop size: %d " | |
1662 | "(expect within [0, %d])"), | |
1663 | limit, max_single_nop_size); | |
1664 | return; | |
1665 | } | |
1666 | } | |
e379e5f3 | 1667 | else if (fragP->fr_type != rs_machine_dependent) |
3ae729d5 L |
1668 | fragP->fr_var = count; |
1669 | ||
1670 | if ((count / max_single_nop_size) > max_number_of_nops) | |
1671 | { | |
1672 | /* Generate jump over NOPs. */ | |
1673 | offsetT disp = count - 2; | |
1674 | if (fits_in_imm7 (disp)) | |
1675 | { | |
1676 | /* Use "jmp disp8" if possible. */ | |
1677 | count = disp; | |
1678 | where[0] = jump_disp8[0]; | |
1679 | where[1] = count; | |
1680 | where += 2; | |
1681 | } | |
1682 | else | |
1683 | { | |
1684 | unsigned int size_of_jump; | |
1685 | ||
1686 | if (flag_code == CODE_16BIT) | |
1687 | { | |
1688 | where[0] = jump16_disp32[0]; | |
1689 | where[1] = jump16_disp32[1]; | |
1690 | size_of_jump = 2; | |
1691 | } | |
1692 | else | |
1693 | { | |
1694 | where[0] = jump32_disp32[0]; | |
1695 | size_of_jump = 1; | |
1696 | } | |
1697 | ||
1698 | count -= size_of_jump + 4; | |
1699 | if (!fits_in_imm31 (count)) | |
1700 | { | |
1701 | as_bad_where (fragP->fr_file, fragP->fr_line, | |
1702 | _("jump over nop padding out of range")); | |
1703 | return; | |
1704 | } | |
1705 | ||
1706 | md_number_to_chars (where + size_of_jump, count, 4); | |
1707 | where += size_of_jump + 4; | |
76bc74dc | 1708 | } |
ccc9c027 | 1709 | } |
3ae729d5 L |
1710 | |
1711 | /* Generate multiple NOPs. */ | |
1712 | i386_output_nops (where, patt, count, limit); | |
252b5132 RH |
1713 | } |
1714 | ||
c6fb90c8 | 1715 | static INLINE int |
0dfbf9d7 | 1716 | operand_type_all_zero (const union i386_operand_type *x) |
40fb9820 | 1717 | { |
0dfbf9d7 | 1718 | switch (ARRAY_SIZE(x->array)) |
c6fb90c8 L |
1719 | { |
1720 | case 3: | |
0dfbf9d7 | 1721 | if (x->array[2]) |
c6fb90c8 | 1722 | return 0; |
1a0670f3 | 1723 | /* Fall through. */ |
c6fb90c8 | 1724 | case 2: |
0dfbf9d7 | 1725 | if (x->array[1]) |
c6fb90c8 | 1726 | return 0; |
1a0670f3 | 1727 | /* Fall through. */ |
c6fb90c8 | 1728 | case 1: |
0dfbf9d7 | 1729 | return !x->array[0]; |
c6fb90c8 L |
1730 | default: |
1731 | abort (); | |
1732 | } | |
40fb9820 L |
1733 | } |
1734 | ||
c6fb90c8 | 1735 | static INLINE void |
0dfbf9d7 | 1736 | operand_type_set (union i386_operand_type *x, unsigned int v) |
40fb9820 | 1737 | { |
0dfbf9d7 | 1738 | switch (ARRAY_SIZE(x->array)) |
c6fb90c8 L |
1739 | { |
1740 | case 3: | |
0dfbf9d7 | 1741 | x->array[2] = v; |
1a0670f3 | 1742 | /* Fall through. */ |
c6fb90c8 | 1743 | case 2: |
0dfbf9d7 | 1744 | x->array[1] = v; |
1a0670f3 | 1745 | /* Fall through. */ |
c6fb90c8 | 1746 | case 1: |
0dfbf9d7 | 1747 | x->array[0] = v; |
1a0670f3 | 1748 | /* Fall through. */ |
c6fb90c8 L |
1749 | break; |
1750 | default: | |
1751 | abort (); | |
1752 | } | |
bab6aec1 JB |
1753 | |
1754 | x->bitfield.class = ClassNone; | |
75e5731b | 1755 | x->bitfield.instance = InstanceNone; |
c6fb90c8 | 1756 | } |
40fb9820 | 1757 | |
c6fb90c8 | 1758 | static INLINE int |
0dfbf9d7 L |
1759 | operand_type_equal (const union i386_operand_type *x, |
1760 | const union i386_operand_type *y) | |
c6fb90c8 | 1761 | { |
0dfbf9d7 | 1762 | switch (ARRAY_SIZE(x->array)) |
c6fb90c8 L |
1763 | { |
1764 | case 3: | |
0dfbf9d7 | 1765 | if (x->array[2] != y->array[2]) |
c6fb90c8 | 1766 | return 0; |
1a0670f3 | 1767 | /* Fall through. */ |
c6fb90c8 | 1768 | case 2: |
0dfbf9d7 | 1769 | if (x->array[1] != y->array[1]) |
c6fb90c8 | 1770 | return 0; |
1a0670f3 | 1771 | /* Fall through. */ |
c6fb90c8 | 1772 | case 1: |
0dfbf9d7 | 1773 | return x->array[0] == y->array[0]; |
c6fb90c8 L |
1774 | break; |
1775 | default: | |
1776 | abort (); | |
1777 | } | |
1778 | } | |
40fb9820 | 1779 | |
0dfbf9d7 L |
1780 | static INLINE int |
1781 | cpu_flags_all_zero (const union i386_cpu_flags *x) | |
1782 | { | |
1783 | switch (ARRAY_SIZE(x->array)) | |
1784 | { | |
53467f57 IT |
1785 | case 4: |
1786 | if (x->array[3]) | |
1787 | return 0; | |
1788 | /* Fall through. */ | |
0dfbf9d7 L |
1789 | case 3: |
1790 | if (x->array[2]) | |
1791 | return 0; | |
1a0670f3 | 1792 | /* Fall through. */ |
0dfbf9d7 L |
1793 | case 2: |
1794 | if (x->array[1]) | |
1795 | return 0; | |
1a0670f3 | 1796 | /* Fall through. */ |
0dfbf9d7 L |
1797 | case 1: |
1798 | return !x->array[0]; | |
1799 | default: | |
1800 | abort (); | |
1801 | } | |
1802 | } | |
1803 | ||
0dfbf9d7 L |
1804 | static INLINE int |
1805 | cpu_flags_equal (const union i386_cpu_flags *x, | |
1806 | const union i386_cpu_flags *y) | |
1807 | { | |
1808 | switch (ARRAY_SIZE(x->array)) | |
1809 | { | |
53467f57 IT |
1810 | case 4: |
1811 | if (x->array[3] != y->array[3]) | |
1812 | return 0; | |
1813 | /* Fall through. */ | |
0dfbf9d7 L |
1814 | case 3: |
1815 | if (x->array[2] != y->array[2]) | |
1816 | return 0; | |
1a0670f3 | 1817 | /* Fall through. */ |
0dfbf9d7 L |
1818 | case 2: |
1819 | if (x->array[1] != y->array[1]) | |
1820 | return 0; | |
1a0670f3 | 1821 | /* Fall through. */ |
0dfbf9d7 L |
1822 | case 1: |
1823 | return x->array[0] == y->array[0]; | |
1824 | break; | |
1825 | default: | |
1826 | abort (); | |
1827 | } | |
1828 | } | |
c6fb90c8 L |
1829 | |
1830 | static INLINE int | |
1831 | cpu_flags_check_cpu64 (i386_cpu_flags f) | |
1832 | { | |
1833 | return !((flag_code == CODE_64BIT && f.bitfield.cpuno64) | |
1834 | || (flag_code != CODE_64BIT && f.bitfield.cpu64)); | |
40fb9820 L |
1835 | } |
1836 | ||
c6fb90c8 L |
1837 | static INLINE i386_cpu_flags |
1838 | cpu_flags_and (i386_cpu_flags x, i386_cpu_flags y) | |
40fb9820 | 1839 | { |
c6fb90c8 L |
1840 | switch (ARRAY_SIZE (x.array)) |
1841 | { | |
53467f57 IT |
1842 | case 4: |
1843 | x.array [3] &= y.array [3]; | |
1844 | /* Fall through. */ | |
c6fb90c8 L |
1845 | case 3: |
1846 | x.array [2] &= y.array [2]; | |
1a0670f3 | 1847 | /* Fall through. */ |
c6fb90c8 L |
1848 | case 2: |
1849 | x.array [1] &= y.array [1]; | |
1a0670f3 | 1850 | /* Fall through. */ |
c6fb90c8 L |
1851 | case 1: |
1852 | x.array [0] &= y.array [0]; | |
1853 | break; | |
1854 | default: | |
1855 | abort (); | |
1856 | } | |
1857 | return x; | |
1858 | } | |
40fb9820 | 1859 | |
c6fb90c8 L |
1860 | static INLINE i386_cpu_flags |
1861 | cpu_flags_or (i386_cpu_flags x, i386_cpu_flags y) | |
40fb9820 | 1862 | { |
c6fb90c8 | 1863 | switch (ARRAY_SIZE (x.array)) |
40fb9820 | 1864 | { |
53467f57 IT |
1865 | case 4: |
1866 | x.array [3] |= y.array [3]; | |
1867 | /* Fall through. */ | |
c6fb90c8 L |
1868 | case 3: |
1869 | x.array [2] |= y.array [2]; | |
1a0670f3 | 1870 | /* Fall through. */ |
c6fb90c8 L |
1871 | case 2: |
1872 | x.array [1] |= y.array [1]; | |
1a0670f3 | 1873 | /* Fall through. */ |
c6fb90c8 L |
1874 | case 1: |
1875 | x.array [0] |= y.array [0]; | |
40fb9820 L |
1876 | break; |
1877 | default: | |
1878 | abort (); | |
1879 | } | |
40fb9820 L |
1880 | return x; |
1881 | } | |
1882 | ||
309d3373 JB |
1883 | static INLINE i386_cpu_flags |
1884 | cpu_flags_and_not (i386_cpu_flags x, i386_cpu_flags y) | |
1885 | { | |
1886 | switch (ARRAY_SIZE (x.array)) | |
1887 | { | |
53467f57 IT |
1888 | case 4: |
1889 | x.array [3] &= ~y.array [3]; | |
1890 | /* Fall through. */ | |
309d3373 JB |
1891 | case 3: |
1892 | x.array [2] &= ~y.array [2]; | |
1a0670f3 | 1893 | /* Fall through. */ |
309d3373 JB |
1894 | case 2: |
1895 | x.array [1] &= ~y.array [1]; | |
1a0670f3 | 1896 | /* Fall through. */ |
309d3373 JB |
1897 | case 1: |
1898 | x.array [0] &= ~y.array [0]; | |
1899 | break; | |
1900 | default: | |
1901 | abort (); | |
1902 | } | |
1903 | return x; | |
1904 | } | |
1905 | ||
6c0946d0 JB |
1906 | static const i386_cpu_flags avx512 = CPU_ANY_AVX512F_FLAGS; |
1907 | ||
c0f3af97 L |
1908 | #define CPU_FLAGS_ARCH_MATCH 0x1 |
1909 | #define CPU_FLAGS_64BIT_MATCH 0x2 | |
1910 | ||
c0f3af97 | 1911 | #define CPU_FLAGS_PERFECT_MATCH \ |
db12e14e | 1912 | (CPU_FLAGS_ARCH_MATCH | CPU_FLAGS_64BIT_MATCH) |
c0f3af97 L |
1913 | |
1914 | /* Return CPU flags match bits. */ | |
3629bb00 | 1915 | |
40fb9820 | 1916 | static int |
d3ce72d0 | 1917 | cpu_flags_match (const insn_template *t) |
40fb9820 | 1918 | { |
c0f3af97 L |
1919 | i386_cpu_flags x = t->cpu_flags; |
1920 | int match = cpu_flags_check_cpu64 (x) ? CPU_FLAGS_64BIT_MATCH : 0; | |
40fb9820 L |
1921 | |
1922 | x.bitfield.cpu64 = 0; | |
1923 | x.bitfield.cpuno64 = 0; | |
1924 | ||
0dfbf9d7 | 1925 | if (cpu_flags_all_zero (&x)) |
c0f3af97 L |
1926 | { |
1927 | /* This instruction is available on all archs. */ | |
db12e14e | 1928 | match |= CPU_FLAGS_ARCH_MATCH; |
c0f3af97 | 1929 | } |
3629bb00 L |
1930 | else |
1931 | { | |
c0f3af97 | 1932 | /* This instruction is available only on some archs. */ |
3629bb00 L |
1933 | i386_cpu_flags cpu = cpu_arch_flags; |
1934 | ||
ab592e75 JB |
1935 | /* AVX512VL is no standalone feature - match it and then strip it. */ |
1936 | if (x.bitfield.cpuavx512vl && !cpu.bitfield.cpuavx512vl) | |
1937 | return match; | |
1938 | x.bitfield.cpuavx512vl = 0; | |
1939 | ||
3629bb00 | 1940 | cpu = cpu_flags_and (x, cpu); |
c0f3af97 L |
1941 | if (!cpu_flags_all_zero (&cpu)) |
1942 | { | |
a5ff0eb2 L |
1943 | if (x.bitfield.cpuavx) |
1944 | { | |
929f69fa | 1945 | /* We need to check a few extra flags with AVX. */ |
b9d49817 | 1946 | if (cpu.bitfield.cpuavx |
40d231b4 JB |
1947 | && (!t->opcode_modifier.sse2avx |
1948 | || (sse2avx && !i.prefix[DATA_PREFIX])) | |
b9d49817 | 1949 | && (!x.bitfield.cpuaes || cpu.bitfield.cpuaes) |
929f69fa | 1950 | && (!x.bitfield.cpugfni || cpu.bitfield.cpugfni) |
b9d49817 JB |
1951 | && (!x.bitfield.cpupclmul || cpu.bitfield.cpupclmul)) |
1952 | match |= CPU_FLAGS_ARCH_MATCH; | |
a5ff0eb2 | 1953 | } |
929f69fa JB |
1954 | else if (x.bitfield.cpuavx512f) |
1955 | { | |
1956 | /* We need to check a few extra flags with AVX512F. */ | |
1957 | if (cpu.bitfield.cpuavx512f | |
1958 | && (!x.bitfield.cpugfni || cpu.bitfield.cpugfni) | |
1959 | && (!x.bitfield.cpuvaes || cpu.bitfield.cpuvaes) | |
1960 | && (!x.bitfield.cpuvpclmulqdq || cpu.bitfield.cpuvpclmulqdq)) | |
1961 | match |= CPU_FLAGS_ARCH_MATCH; | |
1962 | } | |
a5ff0eb2 | 1963 | else |
db12e14e | 1964 | match |= CPU_FLAGS_ARCH_MATCH; |
c0f3af97 | 1965 | } |
3629bb00 | 1966 | } |
c0f3af97 | 1967 | return match; |
40fb9820 L |
1968 | } |
1969 | ||
c6fb90c8 L |
1970 | static INLINE i386_operand_type |
1971 | operand_type_and (i386_operand_type x, i386_operand_type y) | |
40fb9820 | 1972 | { |
bab6aec1 JB |
1973 | if (x.bitfield.class != y.bitfield.class) |
1974 | x.bitfield.class = ClassNone; | |
75e5731b JB |
1975 | if (x.bitfield.instance != y.bitfield.instance) |
1976 | x.bitfield.instance = InstanceNone; | |
bab6aec1 | 1977 | |
c6fb90c8 L |
1978 | switch (ARRAY_SIZE (x.array)) |
1979 | { | |
1980 | case 3: | |
1981 | x.array [2] &= y.array [2]; | |
1a0670f3 | 1982 | /* Fall through. */ |
c6fb90c8 L |
1983 | case 2: |
1984 | x.array [1] &= y.array [1]; | |
1a0670f3 | 1985 | /* Fall through. */ |
c6fb90c8 L |
1986 | case 1: |
1987 | x.array [0] &= y.array [0]; | |
1988 | break; | |
1989 | default: | |
1990 | abort (); | |
1991 | } | |
1992 | return x; | |
40fb9820 L |
1993 | } |
1994 | ||
73053c1f JB |
1995 | static INLINE i386_operand_type |
1996 | operand_type_and_not (i386_operand_type x, i386_operand_type y) | |
1997 | { | |
bab6aec1 | 1998 | gas_assert (y.bitfield.class == ClassNone); |
75e5731b | 1999 | gas_assert (y.bitfield.instance == InstanceNone); |
bab6aec1 | 2000 | |
73053c1f JB |
2001 | switch (ARRAY_SIZE (x.array)) |
2002 | { | |
2003 | case 3: | |
2004 | x.array [2] &= ~y.array [2]; | |
2005 | /* Fall through. */ | |
2006 | case 2: | |
2007 | x.array [1] &= ~y.array [1]; | |
2008 | /* Fall through. */ | |
2009 | case 1: | |
2010 | x.array [0] &= ~y.array [0]; | |
2011 | break; | |
2012 | default: | |
2013 | abort (); | |
2014 | } | |
2015 | return x; | |
2016 | } | |
2017 | ||
c6fb90c8 L |
2018 | static INLINE i386_operand_type |
2019 | operand_type_or (i386_operand_type x, i386_operand_type y) | |
40fb9820 | 2020 | { |
bab6aec1 JB |
2021 | gas_assert (x.bitfield.class == ClassNone || |
2022 | y.bitfield.class == ClassNone || | |
2023 | x.bitfield.class == y.bitfield.class); | |
75e5731b JB |
2024 | gas_assert (x.bitfield.instance == InstanceNone || |
2025 | y.bitfield.instance == InstanceNone || | |
2026 | x.bitfield.instance == y.bitfield.instance); | |
bab6aec1 | 2027 | |
c6fb90c8 | 2028 | switch (ARRAY_SIZE (x.array)) |
40fb9820 | 2029 | { |
c6fb90c8 L |
2030 | case 3: |
2031 | x.array [2] |= y.array [2]; | |
1a0670f3 | 2032 | /* Fall through. */ |
c6fb90c8 L |
2033 | case 2: |
2034 | x.array [1] |= y.array [1]; | |
1a0670f3 | 2035 | /* Fall through. */ |
c6fb90c8 L |
2036 | case 1: |
2037 | x.array [0] |= y.array [0]; | |
40fb9820 L |
2038 | break; |
2039 | default: | |
2040 | abort (); | |
2041 | } | |
c6fb90c8 L |
2042 | return x; |
2043 | } | |
40fb9820 | 2044 | |
c6fb90c8 L |
2045 | static INLINE i386_operand_type |
2046 | operand_type_xor (i386_operand_type x, i386_operand_type y) | |
2047 | { | |
bab6aec1 | 2048 | gas_assert (y.bitfield.class == ClassNone); |
75e5731b | 2049 | gas_assert (y.bitfield.instance == InstanceNone); |
bab6aec1 | 2050 | |
c6fb90c8 L |
2051 | switch (ARRAY_SIZE (x.array)) |
2052 | { | |
2053 | case 3: | |
2054 | x.array [2] ^= y.array [2]; | |
1a0670f3 | 2055 | /* Fall through. */ |
c6fb90c8 L |
2056 | case 2: |
2057 | x.array [1] ^= y.array [1]; | |
1a0670f3 | 2058 | /* Fall through. */ |
c6fb90c8 L |
2059 | case 1: |
2060 | x.array [0] ^= y.array [0]; | |
2061 | break; | |
2062 | default: | |
2063 | abort (); | |
2064 | } | |
40fb9820 L |
2065 | return x; |
2066 | } | |
2067 | ||
40fb9820 L |
2068 | static const i386_operand_type disp16 = OPERAND_TYPE_DISP16; |
2069 | static const i386_operand_type disp32 = OPERAND_TYPE_DISP32; | |
2070 | static const i386_operand_type disp32s = OPERAND_TYPE_DISP32S; | |
2071 | static const i386_operand_type disp16_32 = OPERAND_TYPE_DISP16_32; | |
bab6aec1 JB |
2072 | static const i386_operand_type anydisp = OPERAND_TYPE_ANYDISP; |
2073 | static const i386_operand_type anyimm = OPERAND_TYPE_ANYIMM; | |
40fb9820 | 2074 | static const i386_operand_type regxmm = OPERAND_TYPE_REGXMM; |
43234a1e | 2075 | static const i386_operand_type regmask = OPERAND_TYPE_REGMASK; |
40fb9820 L |
2076 | static const i386_operand_type imm8 = OPERAND_TYPE_IMM8; |
2077 | static const i386_operand_type imm8s = OPERAND_TYPE_IMM8S; | |
2078 | static const i386_operand_type imm16 = OPERAND_TYPE_IMM16; | |
2079 | static const i386_operand_type imm32 = OPERAND_TYPE_IMM32; | |
2080 | static const i386_operand_type imm32s = OPERAND_TYPE_IMM32S; | |
2081 | static const i386_operand_type imm64 = OPERAND_TYPE_IMM64; | |
2082 | static const i386_operand_type imm16_32 = OPERAND_TYPE_IMM16_32; | |
2083 | static const i386_operand_type imm16_32s = OPERAND_TYPE_IMM16_32S; | |
2084 | static const i386_operand_type imm16_32_32s = OPERAND_TYPE_IMM16_32_32S; | |
2085 | ||
2086 | enum operand_type | |
2087 | { | |
2088 | reg, | |
40fb9820 L |
2089 | imm, |
2090 | disp, | |
2091 | anymem | |
2092 | }; | |
2093 | ||
c6fb90c8 | 2094 | static INLINE int |
40fb9820 L |
2095 | operand_type_check (i386_operand_type t, enum operand_type c) |
2096 | { | |
2097 | switch (c) | |
2098 | { | |
2099 | case reg: | |
bab6aec1 | 2100 | return t.bitfield.class == Reg; |
40fb9820 | 2101 | |
40fb9820 L |
2102 | case imm: |
2103 | return (t.bitfield.imm8 | |
2104 | || t.bitfield.imm8s | |
2105 | || t.bitfield.imm16 | |
2106 | || t.bitfield.imm32 | |
2107 | || t.bitfield.imm32s | |
2108 | || t.bitfield.imm64); | |
2109 | ||
2110 | case disp: | |
2111 | return (t.bitfield.disp8 | |
2112 | || t.bitfield.disp16 | |
2113 | || t.bitfield.disp32 | |
2114 | || t.bitfield.disp32s | |
2115 | || t.bitfield.disp64); | |
2116 | ||
2117 | case anymem: | |
2118 | return (t.bitfield.disp8 | |
2119 | || t.bitfield.disp16 | |
2120 | || t.bitfield.disp32 | |
2121 | || t.bitfield.disp32s | |
2122 | || t.bitfield.disp64 | |
2123 | || t.bitfield.baseindex); | |
2124 | ||
2125 | default: | |
2126 | abort (); | |
2127 | } | |
2cfe26b6 AM |
2128 | |
2129 | return 0; | |
40fb9820 L |
2130 | } |
2131 | ||
7a54636a L |
2132 | /* Return 1 if there is no conflict in 8bit/16bit/32bit/64bit/80bit size |
2133 | between operand GIVEN and opeand WANTED for instruction template T. */ | |
5c07affc L |
2134 | |
2135 | static INLINE int | |
7a54636a L |
2136 | match_operand_size (const insn_template *t, unsigned int wanted, |
2137 | unsigned int given) | |
5c07affc | 2138 | { |
3ac21baa JB |
2139 | return !((i.types[given].bitfield.byte |
2140 | && !t->operand_types[wanted].bitfield.byte) | |
2141 | || (i.types[given].bitfield.word | |
2142 | && !t->operand_types[wanted].bitfield.word) | |
2143 | || (i.types[given].bitfield.dword | |
2144 | && !t->operand_types[wanted].bitfield.dword) | |
2145 | || (i.types[given].bitfield.qword | |
2146 | && !t->operand_types[wanted].bitfield.qword) | |
2147 | || (i.types[given].bitfield.tbyte | |
2148 | && !t->operand_types[wanted].bitfield.tbyte)); | |
5c07affc L |
2149 | } |
2150 | ||
dd40ce22 L |
2151 | /* Return 1 if there is no conflict in SIMD register between operand |
2152 | GIVEN and opeand WANTED for instruction template T. */ | |
1b54b8d7 JB |
2153 | |
2154 | static INLINE int | |
dd40ce22 L |
2155 | match_simd_size (const insn_template *t, unsigned int wanted, |
2156 | unsigned int given) | |
1b54b8d7 | 2157 | { |
3ac21baa JB |
2158 | return !((i.types[given].bitfield.xmmword |
2159 | && !t->operand_types[wanted].bitfield.xmmword) | |
2160 | || (i.types[given].bitfield.ymmword | |
2161 | && !t->operand_types[wanted].bitfield.ymmword) | |
2162 | || (i.types[given].bitfield.zmmword | |
2163 | && !t->operand_types[wanted].bitfield.zmmword)); | |
1b54b8d7 JB |
2164 | } |
2165 | ||
7a54636a L |
2166 | /* Return 1 if there is no conflict in any size between operand GIVEN |
2167 | and opeand WANTED for instruction template T. */ | |
5c07affc L |
2168 | |
2169 | static INLINE int | |
dd40ce22 L |
2170 | match_mem_size (const insn_template *t, unsigned int wanted, |
2171 | unsigned int given) | |
5c07affc | 2172 | { |
7a54636a | 2173 | return (match_operand_size (t, wanted, given) |
3ac21baa | 2174 | && !((i.types[given].bitfield.unspecified |
af508cb9 | 2175 | && !i.broadcast |
3ac21baa JB |
2176 | && !t->operand_types[wanted].bitfield.unspecified) |
2177 | || (i.types[given].bitfield.fword | |
2178 | && !t->operand_types[wanted].bitfield.fword) | |
1b54b8d7 JB |
2179 | /* For scalar opcode templates to allow register and memory |
2180 | operands at the same time, some special casing is needed | |
d6793fa1 JB |
2181 | here. Also for v{,p}broadcast*, {,v}pmov{s,z}*, and |
2182 | down-conversion vpmov*. */ | |
3528c362 | 2183 | || ((t->operand_types[wanted].bitfield.class == RegSIMD |
bc49bfd8 JB |
2184 | && t->operand_types[wanted].bitfield.byte |
2185 | + t->operand_types[wanted].bitfield.word | |
2186 | + t->operand_types[wanted].bitfield.dword | |
2187 | + t->operand_types[wanted].bitfield.qword | |
2188 | > !!t->opcode_modifier.broadcast) | |
3ac21baa JB |
2189 | ? (i.types[given].bitfield.xmmword |
2190 | || i.types[given].bitfield.ymmword | |
2191 | || i.types[given].bitfield.zmmword) | |
2192 | : !match_simd_size(t, wanted, given)))); | |
5c07affc L |
2193 | } |
2194 | ||
3ac21baa JB |
2195 | /* Return value has MATCH_STRAIGHT set if there is no size conflict on any |
2196 | operands for instruction template T, and it has MATCH_REVERSE set if there | |
2197 | is no size conflict on any operands for the template with operands reversed | |
2198 | (and the template allows for reversing in the first place). */ | |
5c07affc | 2199 | |
3ac21baa JB |
2200 | #define MATCH_STRAIGHT 1 |
2201 | #define MATCH_REVERSE 2 | |
2202 | ||
2203 | static INLINE unsigned int | |
d3ce72d0 | 2204 | operand_size_match (const insn_template *t) |
5c07affc | 2205 | { |
3ac21baa | 2206 | unsigned int j, match = MATCH_STRAIGHT; |
5c07affc | 2207 | |
0cfa3eb3 | 2208 | /* Don't check non-absolute jump instructions. */ |
5c07affc | 2209 | if (t->opcode_modifier.jump |
0cfa3eb3 | 2210 | && t->opcode_modifier.jump != JUMP_ABSOLUTE) |
5c07affc L |
2211 | return match; |
2212 | ||
2213 | /* Check memory and accumulator operand size. */ | |
2214 | for (j = 0; j < i.operands; j++) | |
2215 | { | |
3528c362 JB |
2216 | if (i.types[j].bitfield.class != Reg |
2217 | && i.types[j].bitfield.class != RegSIMD | |
601e8564 | 2218 | && t->opcode_modifier.anysize) |
5c07affc L |
2219 | continue; |
2220 | ||
bab6aec1 | 2221 | if (t->operand_types[j].bitfield.class == Reg |
7a54636a | 2222 | && !match_operand_size (t, j, j)) |
5c07affc L |
2223 | { |
2224 | match = 0; | |
2225 | break; | |
2226 | } | |
2227 | ||
3528c362 | 2228 | if (t->operand_types[j].bitfield.class == RegSIMD |
3ac21baa | 2229 | && !match_simd_size (t, j, j)) |
1b54b8d7 JB |
2230 | { |
2231 | match = 0; | |
2232 | break; | |
2233 | } | |
2234 | ||
75e5731b | 2235 | if (t->operand_types[j].bitfield.instance == Accum |
7a54636a | 2236 | && (!match_operand_size (t, j, j) || !match_simd_size (t, j, j))) |
1b54b8d7 JB |
2237 | { |
2238 | match = 0; | |
2239 | break; | |
2240 | } | |
2241 | ||
c48dadc9 | 2242 | if ((i.flags[j] & Operand_Mem) && !match_mem_size (t, j, j)) |
5c07affc L |
2243 | { |
2244 | match = 0; | |
2245 | break; | |
2246 | } | |
2247 | } | |
2248 | ||
3ac21baa | 2249 | if (!t->opcode_modifier.d) |
891edac4 | 2250 | { |
dc1e8a47 | 2251 | mismatch: |
3ac21baa JB |
2252 | if (!match) |
2253 | i.error = operand_size_mismatch; | |
2254 | return match; | |
891edac4 | 2255 | } |
5c07affc L |
2256 | |
2257 | /* Check reverse. */ | |
f5eb1d70 | 2258 | gas_assert (i.operands >= 2 && i.operands <= 3); |
5c07affc | 2259 | |
f5eb1d70 | 2260 | for (j = 0; j < i.operands; j++) |
5c07affc | 2261 | { |
f5eb1d70 JB |
2262 | unsigned int given = i.operands - j - 1; |
2263 | ||
bab6aec1 | 2264 | if (t->operand_types[j].bitfield.class == Reg |
f5eb1d70 | 2265 | && !match_operand_size (t, j, given)) |
891edac4 | 2266 | goto mismatch; |
5c07affc | 2267 | |
3528c362 | 2268 | if (t->operand_types[j].bitfield.class == RegSIMD |
f5eb1d70 | 2269 | && !match_simd_size (t, j, given)) |
dbbc8b7e JB |
2270 | goto mismatch; |
2271 | ||
75e5731b | 2272 | if (t->operand_types[j].bitfield.instance == Accum |
f5eb1d70 JB |
2273 | && (!match_operand_size (t, j, given) |
2274 | || !match_simd_size (t, j, given))) | |
dbbc8b7e JB |
2275 | goto mismatch; |
2276 | ||
f5eb1d70 | 2277 | if ((i.flags[given] & Operand_Mem) && !match_mem_size (t, j, given)) |
891edac4 | 2278 | goto mismatch; |
5c07affc L |
2279 | } |
2280 | ||
3ac21baa | 2281 | return match | MATCH_REVERSE; |
5c07affc L |
2282 | } |
2283 | ||
c6fb90c8 | 2284 | static INLINE int |
40fb9820 L |
2285 | operand_type_match (i386_operand_type overlap, |
2286 | i386_operand_type given) | |
2287 | { | |
2288 | i386_operand_type temp = overlap; | |
2289 | ||
7d5e4556 | 2290 | temp.bitfield.unspecified = 0; |
5c07affc L |
2291 | temp.bitfield.byte = 0; |
2292 | temp.bitfield.word = 0; | |
2293 | temp.bitfield.dword = 0; | |
2294 | temp.bitfield.fword = 0; | |
2295 | temp.bitfield.qword = 0; | |
2296 | temp.bitfield.tbyte = 0; | |
2297 | temp.bitfield.xmmword = 0; | |
c0f3af97 | 2298 | temp.bitfield.ymmword = 0; |
43234a1e | 2299 | temp.bitfield.zmmword = 0; |
0dfbf9d7 | 2300 | if (operand_type_all_zero (&temp)) |
891edac4 | 2301 | goto mismatch; |
40fb9820 | 2302 | |
6f2f06be | 2303 | if (given.bitfield.baseindex == overlap.bitfield.baseindex) |
891edac4 L |
2304 | return 1; |
2305 | ||
dc1e8a47 | 2306 | mismatch: |
a65babc9 | 2307 | i.error = operand_type_mismatch; |
891edac4 | 2308 | return 0; |
40fb9820 L |
2309 | } |
2310 | ||
7d5e4556 | 2311 | /* If given types g0 and g1 are registers they must be of the same type |
10c17abd | 2312 | unless the expected operand type register overlap is null. |
5de4d9ef | 2313 | Some Intel syntax memory operand size checking also happens here. */ |
40fb9820 | 2314 | |
c6fb90c8 | 2315 | static INLINE int |
dc821c5f | 2316 | operand_type_register_match (i386_operand_type g0, |
40fb9820 | 2317 | i386_operand_type t0, |
40fb9820 L |
2318 | i386_operand_type g1, |
2319 | i386_operand_type t1) | |
2320 | { | |
bab6aec1 | 2321 | if (g0.bitfield.class != Reg |
3528c362 | 2322 | && g0.bitfield.class != RegSIMD |
10c17abd JB |
2323 | && (!operand_type_check (g0, anymem) |
2324 | || g0.bitfield.unspecified | |
5de4d9ef JB |
2325 | || (t0.bitfield.class != Reg |
2326 | && t0.bitfield.class != RegSIMD))) | |
40fb9820 L |
2327 | return 1; |
2328 | ||
bab6aec1 | 2329 | if (g1.bitfield.class != Reg |
3528c362 | 2330 | && g1.bitfield.class != RegSIMD |
10c17abd JB |
2331 | && (!operand_type_check (g1, anymem) |
2332 | || g1.bitfield.unspecified | |
5de4d9ef JB |
2333 | || (t1.bitfield.class != Reg |
2334 | && t1.bitfield.class != RegSIMD))) | |
40fb9820 L |
2335 | return 1; |
2336 | ||
dc821c5f JB |
2337 | if (g0.bitfield.byte == g1.bitfield.byte |
2338 | && g0.bitfield.word == g1.bitfield.word | |
2339 | && g0.bitfield.dword == g1.bitfield.dword | |
10c17abd JB |
2340 | && g0.bitfield.qword == g1.bitfield.qword |
2341 | && g0.bitfield.xmmword == g1.bitfield.xmmword | |
2342 | && g0.bitfield.ymmword == g1.bitfield.ymmword | |
2343 | && g0.bitfield.zmmword == g1.bitfield.zmmword) | |
40fb9820 L |
2344 | return 1; |
2345 | ||
dc821c5f JB |
2346 | if (!(t0.bitfield.byte & t1.bitfield.byte) |
2347 | && !(t0.bitfield.word & t1.bitfield.word) | |
2348 | && !(t0.bitfield.dword & t1.bitfield.dword) | |
10c17abd JB |
2349 | && !(t0.bitfield.qword & t1.bitfield.qword) |
2350 | && !(t0.bitfield.xmmword & t1.bitfield.xmmword) | |
2351 | && !(t0.bitfield.ymmword & t1.bitfield.ymmword) | |
2352 | && !(t0.bitfield.zmmword & t1.bitfield.zmmword)) | |
891edac4 L |
2353 | return 1; |
2354 | ||
a65babc9 | 2355 | i.error = register_type_mismatch; |
891edac4 L |
2356 | |
2357 | return 0; | |
40fb9820 L |
2358 | } |
2359 | ||
4c692bc7 JB |
2360 | static INLINE unsigned int |
2361 | register_number (const reg_entry *r) | |
2362 | { | |
2363 | unsigned int nr = r->reg_num; | |
2364 | ||
2365 | if (r->reg_flags & RegRex) | |
2366 | nr += 8; | |
2367 | ||
200cbe0f L |
2368 | if (r->reg_flags & RegVRex) |
2369 | nr += 16; | |
2370 | ||
4c692bc7 JB |
2371 | return nr; |
2372 | } | |
2373 | ||
252b5132 | 2374 | static INLINE unsigned int |
40fb9820 | 2375 | mode_from_disp_size (i386_operand_type t) |
252b5132 | 2376 | { |
b5014f7a | 2377 | if (t.bitfield.disp8) |
40fb9820 L |
2378 | return 1; |
2379 | else if (t.bitfield.disp16 | |
2380 | || t.bitfield.disp32 | |
2381 | || t.bitfield.disp32s) | |
2382 | return 2; | |
2383 | else | |
2384 | return 0; | |
252b5132 RH |
2385 | } |
2386 | ||
2387 | static INLINE int | |
65879393 | 2388 | fits_in_signed_byte (addressT num) |
252b5132 | 2389 | { |
65879393 | 2390 | return num + 0x80 <= 0xff; |
47926f60 | 2391 | } |
252b5132 RH |
2392 | |
2393 | static INLINE int | |
65879393 | 2394 | fits_in_unsigned_byte (addressT num) |
252b5132 | 2395 | { |
65879393 | 2396 | return num <= 0xff; |
47926f60 | 2397 | } |
252b5132 RH |
2398 | |
2399 | static INLINE int | |
65879393 | 2400 | fits_in_unsigned_word (addressT num) |
252b5132 | 2401 | { |
65879393 | 2402 | return num <= 0xffff; |
47926f60 | 2403 | } |
252b5132 RH |
2404 | |
2405 | static INLINE int | |
65879393 | 2406 | fits_in_signed_word (addressT num) |
252b5132 | 2407 | { |
65879393 | 2408 | return num + 0x8000 <= 0xffff; |
47926f60 | 2409 | } |
2a962e6d | 2410 | |
3e73aa7c | 2411 | static INLINE int |
65879393 | 2412 | fits_in_signed_long (addressT num ATTRIBUTE_UNUSED) |
3e73aa7c JH |
2413 | { |
2414 | #ifndef BFD64 | |
2415 | return 1; | |
2416 | #else | |
65879393 | 2417 | return num + 0x80000000 <= 0xffffffff; |
3e73aa7c JH |
2418 | #endif |
2419 | } /* fits_in_signed_long() */ | |
2a962e6d | 2420 | |
3e73aa7c | 2421 | static INLINE int |
65879393 | 2422 | fits_in_unsigned_long (addressT num ATTRIBUTE_UNUSED) |
3e73aa7c JH |
2423 | { |
2424 | #ifndef BFD64 | |
2425 | return 1; | |
2426 | #else | |
65879393 | 2427 | return num <= 0xffffffff; |
3e73aa7c JH |
2428 | #endif |
2429 | } /* fits_in_unsigned_long() */ | |
252b5132 | 2430 | |
43234a1e | 2431 | static INLINE int |
b5014f7a | 2432 | fits_in_disp8 (offsetT num) |
43234a1e L |
2433 | { |
2434 | int shift = i.memshift; | |
2435 | unsigned int mask; | |
2436 | ||
2437 | if (shift == -1) | |
2438 | abort (); | |
2439 | ||
2440 | mask = (1 << shift) - 1; | |
2441 | ||
2442 | /* Return 0 if NUM isn't properly aligned. */ | |
2443 | if ((num & mask)) | |
2444 | return 0; | |
2445 | ||
2446 | /* Check if NUM will fit in 8bit after shift. */ | |
2447 | return fits_in_signed_byte (num >> shift); | |
2448 | } | |
2449 | ||
a683cc34 SP |
2450 | static INLINE int |
2451 | fits_in_imm4 (offsetT num) | |
2452 | { | |
2453 | return (num & 0xf) == num; | |
2454 | } | |
2455 | ||
40fb9820 | 2456 | static i386_operand_type |
e3bb37b5 | 2457 | smallest_imm_type (offsetT num) |
252b5132 | 2458 | { |
40fb9820 | 2459 | i386_operand_type t; |
7ab9ffdd | 2460 | |
0dfbf9d7 | 2461 | operand_type_set (&t, 0); |
40fb9820 L |
2462 | t.bitfield.imm64 = 1; |
2463 | ||
2464 | if (cpu_arch_tune != PROCESSOR_I486 && num == 1) | |
e413e4e9 AM |
2465 | { |
2466 | /* This code is disabled on the 486 because all the Imm1 forms | |
2467 | in the opcode table are slower on the i486. They're the | |
2468 | versions with the implicitly specified single-position | |
2469 | displacement, which has another syntax if you really want to | |
2470 | use that form. */ | |
40fb9820 L |
2471 | t.bitfield.imm1 = 1; |
2472 | t.bitfield.imm8 = 1; | |
2473 | t.bitfield.imm8s = 1; | |
2474 | t.bitfield.imm16 = 1; | |
2475 | t.bitfield.imm32 = 1; | |
2476 | t.bitfield.imm32s = 1; | |
2477 | } | |
2478 | else if (fits_in_signed_byte (num)) | |
2479 | { | |
2480 | t.bitfield.imm8 = 1; | |
2481 | t.bitfield.imm8s = 1; | |
2482 | t.bitfield.imm16 = 1; | |
2483 | t.bitfield.imm32 = 1; | |
2484 | t.bitfield.imm32s = 1; | |
2485 | } | |
2486 | else if (fits_in_unsigned_byte (num)) | |
2487 | { | |
2488 | t.bitfield.imm8 = 1; | |
2489 | t.bitfield.imm16 = 1; | |
2490 | t.bitfield.imm32 = 1; | |
2491 | t.bitfield.imm32s = 1; | |
2492 | } | |
2493 | else if (fits_in_signed_word (num) || fits_in_unsigned_word (num)) | |
2494 | { | |
2495 | t.bitfield.imm16 = 1; | |
2496 | t.bitfield.imm32 = 1; | |
2497 | t.bitfield.imm32s = 1; | |
2498 | } | |
2499 | else if (fits_in_signed_long (num)) | |
2500 | { | |
2501 | t.bitfield.imm32 = 1; | |
2502 | t.bitfield.imm32s = 1; | |
2503 | } | |
2504 | else if (fits_in_unsigned_long (num)) | |
2505 | t.bitfield.imm32 = 1; | |
2506 | ||
2507 | return t; | |
47926f60 | 2508 | } |
252b5132 | 2509 | |
847f7ad4 | 2510 | static offsetT |
e3bb37b5 | 2511 | offset_in_range (offsetT val, int size) |
847f7ad4 | 2512 | { |
508866be | 2513 | addressT mask; |
ba2adb93 | 2514 | |
847f7ad4 AM |
2515 | switch (size) |
2516 | { | |
508866be L |
2517 | case 1: mask = ((addressT) 1 << 8) - 1; break; |
2518 | case 2: mask = ((addressT) 1 << 16) - 1; break; | |
3b0ec529 | 2519 | case 4: mask = ((addressT) 2 << 31) - 1; break; |
3e73aa7c JH |
2520 | #ifdef BFD64 |
2521 | case 8: mask = ((addressT) 2 << 63) - 1; break; | |
2522 | #endif | |
47926f60 | 2523 | default: abort (); |
847f7ad4 AM |
2524 | } |
2525 | ||
9de868bf L |
2526 | #ifdef BFD64 |
2527 | /* If BFD64, sign extend val for 32bit address mode. */ | |
2528 | if (flag_code != CODE_64BIT | |
2529 | || i.prefix[ADDR_PREFIX]) | |
3e73aa7c JH |
2530 | if ((val & ~(((addressT) 2 << 31) - 1)) == 0) |
2531 | val = (val ^ ((addressT) 1 << 31)) - ((addressT) 1 << 31); | |
fa289fb8 | 2532 | #endif |
ba2adb93 | 2533 | |
47926f60 | 2534 | if ((val & ~mask) != 0 && (val & ~mask) != ~mask) |
847f7ad4 AM |
2535 | { |
2536 | char buf1[40], buf2[40]; | |
2537 | ||
2538 | sprint_value (buf1, val); | |
2539 | sprint_value (buf2, val & mask); | |
2540 | as_warn (_("%s shortened to %s"), buf1, buf2); | |
2541 | } | |
2542 | return val & mask; | |
2543 | } | |
2544 | ||
c32fa91d L |
2545 | enum PREFIX_GROUP |
2546 | { | |
2547 | PREFIX_EXIST = 0, | |
2548 | PREFIX_LOCK, | |
2549 | PREFIX_REP, | |
04ef582a | 2550 | PREFIX_DS, |
c32fa91d L |
2551 | PREFIX_OTHER |
2552 | }; | |
2553 | ||
2554 | /* Returns | |
2555 | a. PREFIX_EXIST if attempting to add a prefix where one from the | |
2556 | same class already exists. | |
2557 | b. PREFIX_LOCK if lock prefix is added. | |
2558 | c. PREFIX_REP if rep/repne prefix is added. | |
04ef582a L |
2559 | d. PREFIX_DS if ds prefix is added. |
2560 | e. PREFIX_OTHER if other prefix is added. | |
c32fa91d L |
2561 | */ |
2562 | ||
2563 | static enum PREFIX_GROUP | |
e3bb37b5 | 2564 | add_prefix (unsigned int prefix) |
252b5132 | 2565 | { |
c32fa91d | 2566 | enum PREFIX_GROUP ret = PREFIX_OTHER; |
b1905489 | 2567 | unsigned int q; |
252b5132 | 2568 | |
29b0f896 AM |
2569 | if (prefix >= REX_OPCODE && prefix < REX_OPCODE + 16 |
2570 | && flag_code == CODE_64BIT) | |
b1905489 | 2571 | { |
161a04f6 | 2572 | if ((i.prefix[REX_PREFIX] & prefix & REX_W) |
44846f29 JB |
2573 | || (i.prefix[REX_PREFIX] & prefix & REX_R) |
2574 | || (i.prefix[REX_PREFIX] & prefix & REX_X) | |
2575 | || (i.prefix[REX_PREFIX] & prefix & REX_B)) | |
c32fa91d | 2576 | ret = PREFIX_EXIST; |
b1905489 JB |
2577 | q = REX_PREFIX; |
2578 | } | |
3e73aa7c | 2579 | else |
b1905489 JB |
2580 | { |
2581 | switch (prefix) | |
2582 | { | |
2583 | default: | |
2584 | abort (); | |
2585 | ||
b1905489 | 2586 | case DS_PREFIX_OPCODE: |
04ef582a L |
2587 | ret = PREFIX_DS; |
2588 | /* Fall through. */ | |
2589 | case CS_PREFIX_OPCODE: | |
b1905489 JB |
2590 | case ES_PREFIX_OPCODE: |
2591 | case FS_PREFIX_OPCODE: | |
2592 | case GS_PREFIX_OPCODE: | |
2593 | case SS_PREFIX_OPCODE: | |
2594 | q = SEG_PREFIX; | |
2595 | break; | |
2596 | ||
2597 | case REPNE_PREFIX_OPCODE: | |
2598 | case REPE_PREFIX_OPCODE: | |
c32fa91d L |
2599 | q = REP_PREFIX; |
2600 | ret = PREFIX_REP; | |
2601 | break; | |
2602 | ||
b1905489 | 2603 | case LOCK_PREFIX_OPCODE: |
c32fa91d L |
2604 | q = LOCK_PREFIX; |
2605 | ret = PREFIX_LOCK; | |
b1905489 JB |
2606 | break; |
2607 | ||
2608 | case FWAIT_OPCODE: | |
2609 | q = WAIT_PREFIX; | |
2610 | break; | |
2611 | ||
2612 | case ADDR_PREFIX_OPCODE: | |
2613 | q = ADDR_PREFIX; | |
2614 | break; | |
2615 | ||
2616 | case DATA_PREFIX_OPCODE: | |
2617 | q = DATA_PREFIX; | |
2618 | break; | |
2619 | } | |
2620 | if (i.prefix[q] != 0) | |
c32fa91d | 2621 | ret = PREFIX_EXIST; |
b1905489 | 2622 | } |
252b5132 | 2623 | |
b1905489 | 2624 | if (ret) |
252b5132 | 2625 | { |
b1905489 JB |
2626 | if (!i.prefix[q]) |
2627 | ++i.prefixes; | |
2628 | i.prefix[q] |= prefix; | |
252b5132 | 2629 | } |
b1905489 JB |
2630 | else |
2631 | as_bad (_("same type of prefix used twice")); | |
252b5132 | 2632 | |
252b5132 RH |
2633 | return ret; |
2634 | } | |
2635 | ||
2636 | static void | |
78f12dd3 | 2637 | update_code_flag (int value, int check) |
eecb386c | 2638 | { |
78f12dd3 L |
2639 | PRINTF_LIKE ((*as_error)); |
2640 | ||
1e9cc1c2 | 2641 | flag_code = (enum flag_code) value; |
40fb9820 L |
2642 | if (flag_code == CODE_64BIT) |
2643 | { | |
2644 | cpu_arch_flags.bitfield.cpu64 = 1; | |
2645 | cpu_arch_flags.bitfield.cpuno64 = 0; | |
40fb9820 L |
2646 | } |
2647 | else | |
2648 | { | |
2649 | cpu_arch_flags.bitfield.cpu64 = 0; | |
2650 | cpu_arch_flags.bitfield.cpuno64 = 1; | |
40fb9820 L |
2651 | } |
2652 | if (value == CODE_64BIT && !cpu_arch_flags.bitfield.cpulm ) | |
3e73aa7c | 2653 | { |
78f12dd3 L |
2654 | if (check) |
2655 | as_error = as_fatal; | |
2656 | else | |
2657 | as_error = as_bad; | |
2658 | (*as_error) (_("64bit mode not supported on `%s'."), | |
2659 | cpu_arch_name ? cpu_arch_name : default_arch); | |
3e73aa7c | 2660 | } |
40fb9820 | 2661 | if (value == CODE_32BIT && !cpu_arch_flags.bitfield.cpui386) |
3e73aa7c | 2662 | { |
78f12dd3 L |
2663 | if (check) |
2664 | as_error = as_fatal; | |
2665 | else | |
2666 | as_error = as_bad; | |
2667 | (*as_error) (_("32bit mode not supported on `%s'."), | |
2668 | cpu_arch_name ? cpu_arch_name : default_arch); | |
3e73aa7c | 2669 | } |
eecb386c AM |
2670 | stackop_size = '\0'; |
2671 | } | |
2672 | ||
78f12dd3 L |
2673 | static void |
2674 | set_code_flag (int value) | |
2675 | { | |
2676 | update_code_flag (value, 0); | |
2677 | } | |
2678 | ||
eecb386c | 2679 | static void |
e3bb37b5 | 2680 | set_16bit_gcc_code_flag (int new_code_flag) |
252b5132 | 2681 | { |
1e9cc1c2 | 2682 | flag_code = (enum flag_code) new_code_flag; |
40fb9820 L |
2683 | if (flag_code != CODE_16BIT) |
2684 | abort (); | |
2685 | cpu_arch_flags.bitfield.cpu64 = 0; | |
2686 | cpu_arch_flags.bitfield.cpuno64 = 1; | |
9306ca4a | 2687 | stackop_size = LONG_MNEM_SUFFIX; |
252b5132 RH |
2688 | } |
2689 | ||
2690 | static void | |
e3bb37b5 | 2691 | set_intel_syntax (int syntax_flag) |
252b5132 RH |
2692 | { |
2693 | /* Find out if register prefixing is specified. */ | |
2694 | int ask_naked_reg = 0; | |
2695 | ||
2696 | SKIP_WHITESPACE (); | |
29b0f896 | 2697 | if (!is_end_of_line[(unsigned char) *input_line_pointer]) |
252b5132 | 2698 | { |
d02603dc NC |
2699 | char *string; |
2700 | int e = get_symbol_name (&string); | |
252b5132 | 2701 | |
47926f60 | 2702 | if (strcmp (string, "prefix") == 0) |
252b5132 | 2703 | ask_naked_reg = 1; |
47926f60 | 2704 | else if (strcmp (string, "noprefix") == 0) |
252b5132 RH |
2705 | ask_naked_reg = -1; |
2706 | else | |
d0b47220 | 2707 | as_bad (_("bad argument to syntax directive.")); |
d02603dc | 2708 | (void) restore_line_pointer (e); |
252b5132 RH |
2709 | } |
2710 | demand_empty_rest_of_line (); | |
c3332e24 | 2711 | |
252b5132 RH |
2712 | intel_syntax = syntax_flag; |
2713 | ||
2714 | if (ask_naked_reg == 0) | |
f86103b7 AM |
2715 | allow_naked_reg = (intel_syntax |
2716 | && (bfd_get_symbol_leading_char (stdoutput) != '\0')); | |
252b5132 RH |
2717 | else |
2718 | allow_naked_reg = (ask_naked_reg < 0); | |
9306ca4a | 2719 | |
ee86248c | 2720 | expr_set_rank (O_full_ptr, syntax_flag ? 10 : 0); |
7ab9ffdd | 2721 | |
e4a3b5a4 | 2722 | identifier_chars['%'] = intel_syntax && allow_naked_reg ? '%' : 0; |
9306ca4a | 2723 | identifier_chars['$'] = intel_syntax ? '$' : 0; |
e4a3b5a4 | 2724 | register_prefix = allow_naked_reg ? "" : "%"; |
252b5132 RH |
2725 | } |
2726 | ||
1efbbeb4 L |
2727 | static void |
2728 | set_intel_mnemonic (int mnemonic_flag) | |
2729 | { | |
e1d4d893 | 2730 | intel_mnemonic = mnemonic_flag; |
1efbbeb4 L |
2731 | } |
2732 | ||
db51cc60 L |
2733 | static void |
2734 | set_allow_index_reg (int flag) | |
2735 | { | |
2736 | allow_index_reg = flag; | |
2737 | } | |
2738 | ||
cb19c032 | 2739 | static void |
7bab8ab5 | 2740 | set_check (int what) |
cb19c032 | 2741 | { |
7bab8ab5 JB |
2742 | enum check_kind *kind; |
2743 | const char *str; | |
2744 | ||
2745 | if (what) | |
2746 | { | |
2747 | kind = &operand_check; | |
2748 | str = "operand"; | |
2749 | } | |
2750 | else | |
2751 | { | |
2752 | kind = &sse_check; | |
2753 | str = "sse"; | |
2754 | } | |
2755 | ||
cb19c032 L |
2756 | SKIP_WHITESPACE (); |
2757 | ||
2758 | if (!is_end_of_line[(unsigned char) *input_line_pointer]) | |
2759 | { | |
d02603dc NC |
2760 | char *string; |
2761 | int e = get_symbol_name (&string); | |
cb19c032 L |
2762 | |
2763 | if (strcmp (string, "none") == 0) | |
7bab8ab5 | 2764 | *kind = check_none; |
cb19c032 | 2765 | else if (strcmp (string, "warning") == 0) |
7bab8ab5 | 2766 | *kind = check_warning; |
cb19c032 | 2767 | else if (strcmp (string, "error") == 0) |
7bab8ab5 | 2768 | *kind = check_error; |
cb19c032 | 2769 | else |
7bab8ab5 | 2770 | as_bad (_("bad argument to %s_check directive."), str); |
d02603dc | 2771 | (void) restore_line_pointer (e); |
cb19c032 L |
2772 | } |
2773 | else | |
7bab8ab5 | 2774 | as_bad (_("missing argument for %s_check directive"), str); |
cb19c032 L |
2775 | |
2776 | demand_empty_rest_of_line (); | |
2777 | } | |
2778 | ||
8a9036a4 L |
2779 | static void |
2780 | check_cpu_arch_compatible (const char *name ATTRIBUTE_UNUSED, | |
1e9cc1c2 | 2781 | i386_cpu_flags new_flag ATTRIBUTE_UNUSED) |
8a9036a4 L |
2782 | { |
2783 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
2784 | static const char *arch; | |
2785 | ||
2786 | /* Intel LIOM is only supported on ELF. */ | |
2787 | if (!IS_ELF) | |
2788 | return; | |
2789 | ||
2790 | if (!arch) | |
2791 | { | |
2792 | /* Use cpu_arch_name if it is set in md_parse_option. Otherwise | |
2793 | use default_arch. */ | |
2794 | arch = cpu_arch_name; | |
2795 | if (!arch) | |
2796 | arch = default_arch; | |
2797 | } | |
2798 | ||
81486035 L |
2799 | /* If we are targeting Intel MCU, we must enable it. */ |
2800 | if (get_elf_backend_data (stdoutput)->elf_machine_code != EM_IAMCU | |
2801 | || new_flag.bitfield.cpuiamcu) | |
2802 | return; | |
2803 | ||
3632d14b | 2804 | /* If we are targeting Intel L1OM, we must enable it. */ |
8a9036a4 | 2805 | if (get_elf_backend_data (stdoutput)->elf_machine_code != EM_L1OM |
1e9cc1c2 | 2806 | || new_flag.bitfield.cpul1om) |
8a9036a4 | 2807 | return; |
76ba9986 | 2808 | |
7a9068fe L |
2809 | /* If we are targeting Intel K1OM, we must enable it. */ |
2810 | if (get_elf_backend_data (stdoutput)->elf_machine_code != EM_K1OM | |
2811 | || new_flag.bitfield.cpuk1om) | |
2812 | return; | |
2813 | ||
8a9036a4 L |
2814 | as_bad (_("`%s' is not supported on `%s'"), name, arch); |
2815 | #endif | |
2816 | } | |
2817 | ||
e413e4e9 | 2818 | static void |
e3bb37b5 | 2819 | set_cpu_arch (int dummy ATTRIBUTE_UNUSED) |
e413e4e9 | 2820 | { |
47926f60 | 2821 | SKIP_WHITESPACE (); |
e413e4e9 | 2822 | |
29b0f896 | 2823 | if (!is_end_of_line[(unsigned char) *input_line_pointer]) |
e413e4e9 | 2824 | { |
d02603dc NC |
2825 | char *string; |
2826 | int e = get_symbol_name (&string); | |
91d6fa6a | 2827 | unsigned int j; |
40fb9820 | 2828 | i386_cpu_flags flags; |
e413e4e9 | 2829 | |
91d6fa6a | 2830 | for (j = 0; j < ARRAY_SIZE (cpu_arch); j++) |
e413e4e9 | 2831 | { |
91d6fa6a | 2832 | if (strcmp (string, cpu_arch[j].name) == 0) |
e413e4e9 | 2833 | { |
91d6fa6a | 2834 | check_cpu_arch_compatible (string, cpu_arch[j].flags); |
8a9036a4 | 2835 | |
5c6af06e JB |
2836 | if (*string != '.') |
2837 | { | |
91d6fa6a | 2838 | cpu_arch_name = cpu_arch[j].name; |
5c6af06e | 2839 | cpu_sub_arch_name = NULL; |
91d6fa6a | 2840 | cpu_arch_flags = cpu_arch[j].flags; |
40fb9820 L |
2841 | if (flag_code == CODE_64BIT) |
2842 | { | |
2843 | cpu_arch_flags.bitfield.cpu64 = 1; | |
2844 | cpu_arch_flags.bitfield.cpuno64 = 0; | |
2845 | } | |
2846 | else | |
2847 | { | |
2848 | cpu_arch_flags.bitfield.cpu64 = 0; | |
2849 | cpu_arch_flags.bitfield.cpuno64 = 1; | |
2850 | } | |
91d6fa6a NC |
2851 | cpu_arch_isa = cpu_arch[j].type; |
2852 | cpu_arch_isa_flags = cpu_arch[j].flags; | |
ccc9c027 L |
2853 | if (!cpu_arch_tune_set) |
2854 | { | |
2855 | cpu_arch_tune = cpu_arch_isa; | |
2856 | cpu_arch_tune_flags = cpu_arch_isa_flags; | |
2857 | } | |
5c6af06e JB |
2858 | break; |
2859 | } | |
40fb9820 | 2860 | |
293f5f65 L |
2861 | flags = cpu_flags_or (cpu_arch_flags, |
2862 | cpu_arch[j].flags); | |
81486035 | 2863 | |
5b64d091 | 2864 | if (!cpu_flags_equal (&flags, &cpu_arch_flags)) |
5c6af06e | 2865 | { |
6305a203 L |
2866 | if (cpu_sub_arch_name) |
2867 | { | |
2868 | char *name = cpu_sub_arch_name; | |
2869 | cpu_sub_arch_name = concat (name, | |
91d6fa6a | 2870 | cpu_arch[j].name, |
1bf57e9f | 2871 | (const char *) NULL); |
6305a203 L |
2872 | free (name); |
2873 | } | |
2874 | else | |
91d6fa6a | 2875 | cpu_sub_arch_name = xstrdup (cpu_arch[j].name); |
40fb9820 | 2876 | cpu_arch_flags = flags; |
a586129e | 2877 | cpu_arch_isa_flags = flags; |
5c6af06e | 2878 | } |
0089dace L |
2879 | else |
2880 | cpu_arch_isa_flags | |
2881 | = cpu_flags_or (cpu_arch_isa_flags, | |
2882 | cpu_arch[j].flags); | |
d02603dc | 2883 | (void) restore_line_pointer (e); |
5c6af06e JB |
2884 | demand_empty_rest_of_line (); |
2885 | return; | |
e413e4e9 AM |
2886 | } |
2887 | } | |
293f5f65 L |
2888 | |
2889 | if (*string == '.' && j >= ARRAY_SIZE (cpu_arch)) | |
2890 | { | |
33eaf5de | 2891 | /* Disable an ISA extension. */ |
293f5f65 L |
2892 | for (j = 0; j < ARRAY_SIZE (cpu_noarch); j++) |
2893 | if (strcmp (string + 1, cpu_noarch [j].name) == 0) | |
2894 | { | |
2895 | flags = cpu_flags_and_not (cpu_arch_flags, | |
2896 | cpu_noarch[j].flags); | |
2897 | if (!cpu_flags_equal (&flags, &cpu_arch_flags)) | |
2898 | { | |
2899 | if (cpu_sub_arch_name) | |
2900 | { | |
2901 | char *name = cpu_sub_arch_name; | |
2902 | cpu_sub_arch_name = concat (name, string, | |
2903 | (const char *) NULL); | |
2904 | free (name); | |
2905 | } | |
2906 | else | |
2907 | cpu_sub_arch_name = xstrdup (string); | |
2908 | cpu_arch_flags = flags; | |
2909 | cpu_arch_isa_flags = flags; | |
2910 | } | |
2911 | (void) restore_line_pointer (e); | |
2912 | demand_empty_rest_of_line (); | |
2913 | return; | |
2914 | } | |
2915 | ||
2916 | j = ARRAY_SIZE (cpu_arch); | |
2917 | } | |
2918 | ||
91d6fa6a | 2919 | if (j >= ARRAY_SIZE (cpu_arch)) |
e413e4e9 AM |
2920 | as_bad (_("no such architecture: `%s'"), string); |
2921 | ||
2922 | *input_line_pointer = e; | |
2923 | } | |
2924 | else | |
2925 | as_bad (_("missing cpu architecture")); | |
2926 | ||
fddf5b5b AM |
2927 | no_cond_jump_promotion = 0; |
2928 | if (*input_line_pointer == ',' | |
29b0f896 | 2929 | && !is_end_of_line[(unsigned char) input_line_pointer[1]]) |
fddf5b5b | 2930 | { |
d02603dc NC |
2931 | char *string; |
2932 | char e; | |
2933 | ||
2934 | ++input_line_pointer; | |
2935 | e = get_symbol_name (&string); | |
fddf5b5b AM |
2936 | |
2937 | if (strcmp (string, "nojumps") == 0) | |
2938 | no_cond_jump_promotion = 1; | |
2939 | else if (strcmp (string, "jumps") == 0) | |
2940 | ; | |
2941 | else | |
2942 | as_bad (_("no such architecture modifier: `%s'"), string); | |
2943 | ||
d02603dc | 2944 | (void) restore_line_pointer (e); |
fddf5b5b AM |
2945 | } |
2946 | ||
e413e4e9 AM |
2947 | demand_empty_rest_of_line (); |
2948 | } | |
2949 | ||
8a9036a4 L |
2950 | enum bfd_architecture |
2951 | i386_arch (void) | |
2952 | { | |
3632d14b | 2953 | if (cpu_arch_isa == PROCESSOR_L1OM) |
8a9036a4 L |
2954 | { |
2955 | if (OUTPUT_FLAVOR != bfd_target_elf_flavour | |
2956 | || flag_code != CODE_64BIT) | |
2957 | as_fatal (_("Intel L1OM is 64bit ELF only")); | |
2958 | return bfd_arch_l1om; | |
2959 | } | |
7a9068fe L |
2960 | else if (cpu_arch_isa == PROCESSOR_K1OM) |
2961 | { | |
2962 | if (OUTPUT_FLAVOR != bfd_target_elf_flavour | |
2963 | || flag_code != CODE_64BIT) | |
2964 | as_fatal (_("Intel K1OM is 64bit ELF only")); | |
2965 | return bfd_arch_k1om; | |
2966 | } | |
81486035 L |
2967 | else if (cpu_arch_isa == PROCESSOR_IAMCU) |
2968 | { | |
2969 | if (OUTPUT_FLAVOR != bfd_target_elf_flavour | |
2970 | || flag_code == CODE_64BIT) | |
2971 | as_fatal (_("Intel MCU is 32bit ELF only")); | |
2972 | return bfd_arch_iamcu; | |
2973 | } | |
8a9036a4 L |
2974 | else |
2975 | return bfd_arch_i386; | |
2976 | } | |
2977 | ||
b9d79e03 | 2978 | unsigned long |
7016a5d5 | 2979 | i386_mach (void) |
b9d79e03 | 2980 | { |
351f65ca | 2981 | if (!strncmp (default_arch, "x86_64", 6)) |
8a9036a4 | 2982 | { |
3632d14b | 2983 | if (cpu_arch_isa == PROCESSOR_L1OM) |
8a9036a4 | 2984 | { |
351f65ca L |
2985 | if (OUTPUT_FLAVOR != bfd_target_elf_flavour |
2986 | || default_arch[6] != '\0') | |
8a9036a4 L |
2987 | as_fatal (_("Intel L1OM is 64bit ELF only")); |
2988 | return bfd_mach_l1om; | |
2989 | } | |
7a9068fe L |
2990 | else if (cpu_arch_isa == PROCESSOR_K1OM) |
2991 | { | |
2992 | if (OUTPUT_FLAVOR != bfd_target_elf_flavour | |
2993 | || default_arch[6] != '\0') | |
2994 | as_fatal (_("Intel K1OM is 64bit ELF only")); | |
2995 | return bfd_mach_k1om; | |
2996 | } | |
351f65ca | 2997 | else if (default_arch[6] == '\0') |
8a9036a4 | 2998 | return bfd_mach_x86_64; |
351f65ca L |
2999 | else |
3000 | return bfd_mach_x64_32; | |
8a9036a4 | 3001 | } |
5197d474 L |
3002 | else if (!strcmp (default_arch, "i386") |
3003 | || !strcmp (default_arch, "iamcu")) | |
81486035 L |
3004 | { |
3005 | if (cpu_arch_isa == PROCESSOR_IAMCU) | |
3006 | { | |
3007 | if (OUTPUT_FLAVOR != bfd_target_elf_flavour) | |
3008 | as_fatal (_("Intel MCU is 32bit ELF only")); | |
3009 | return bfd_mach_i386_iamcu; | |
3010 | } | |
3011 | else | |
3012 | return bfd_mach_i386_i386; | |
3013 | } | |
b9d79e03 | 3014 | else |
2b5d6a91 | 3015 | as_fatal (_("unknown architecture")); |
b9d79e03 | 3016 | } |
b9d79e03 | 3017 | \f |
252b5132 | 3018 | void |
7016a5d5 | 3019 | md_begin (void) |
252b5132 RH |
3020 | { |
3021 | const char *hash_err; | |
3022 | ||
86fa6981 L |
3023 | /* Support pseudo prefixes like {disp32}. */ |
3024 | lex_type ['{'] = LEX_BEGIN_NAME; | |
3025 | ||
47926f60 | 3026 | /* Initialize op_hash hash table. */ |
252b5132 RH |
3027 | op_hash = hash_new (); |
3028 | ||
3029 | { | |
d3ce72d0 | 3030 | const insn_template *optab; |
29b0f896 | 3031 | templates *core_optab; |
252b5132 | 3032 | |
47926f60 KH |
3033 | /* Setup for loop. */ |
3034 | optab = i386_optab; | |
add39d23 | 3035 | core_optab = XNEW (templates); |
252b5132 RH |
3036 | core_optab->start = optab; |
3037 | ||
3038 | while (1) | |
3039 | { | |
3040 | ++optab; | |
3041 | if (optab->name == NULL | |
3042 | || strcmp (optab->name, (optab - 1)->name) != 0) | |
3043 | { | |
3044 | /* different name --> ship out current template list; | |
47926f60 | 3045 | add to hash table; & begin anew. */ |
252b5132 RH |
3046 | core_optab->end = optab; |
3047 | hash_err = hash_insert (op_hash, | |
3048 | (optab - 1)->name, | |
5a49b8ac | 3049 | (void *) core_optab); |
252b5132 RH |
3050 | if (hash_err) |
3051 | { | |
b37df7c4 | 3052 | as_fatal (_("can't hash %s: %s"), |
252b5132 RH |
3053 | (optab - 1)->name, |
3054 | hash_err); | |
3055 | } | |
3056 | if (optab->name == NULL) | |
3057 | break; | |
add39d23 | 3058 | core_optab = XNEW (templates); |
252b5132 RH |
3059 | core_optab->start = optab; |
3060 | } | |
3061 | } | |
3062 | } | |
3063 | ||
47926f60 | 3064 | /* Initialize reg_hash hash table. */ |
252b5132 RH |
3065 | reg_hash = hash_new (); |
3066 | { | |
29b0f896 | 3067 | const reg_entry *regtab; |
c3fe08fa | 3068 | unsigned int regtab_size = i386_regtab_size; |
252b5132 | 3069 | |
c3fe08fa | 3070 | for (regtab = i386_regtab; regtab_size--; regtab++) |
252b5132 | 3071 | { |
5a49b8ac | 3072 | hash_err = hash_insert (reg_hash, regtab->reg_name, (void *) regtab); |
252b5132 | 3073 | if (hash_err) |
b37df7c4 | 3074 | as_fatal (_("can't hash %s: %s"), |
3e73aa7c JH |
3075 | regtab->reg_name, |
3076 | hash_err); | |
252b5132 RH |
3077 | } |
3078 | } | |
3079 | ||
47926f60 | 3080 | /* Fill in lexical tables: mnemonic_chars, operand_chars. */ |
252b5132 | 3081 | { |
29b0f896 AM |
3082 | int c; |
3083 | char *p; | |
252b5132 RH |
3084 | |
3085 | for (c = 0; c < 256; c++) | |
3086 | { | |
3882b010 | 3087 | if (ISDIGIT (c)) |
252b5132 RH |
3088 | { |
3089 | digit_chars[c] = c; | |
3090 | mnemonic_chars[c] = c; | |
3091 | register_chars[c] = c; | |
3092 | operand_chars[c] = c; | |
3093 | } | |
3882b010 | 3094 | else if (ISLOWER (c)) |
252b5132 RH |
3095 | { |
3096 | mnemonic_chars[c] = c; | |
3097 | register_chars[c] = c; | |
3098 | operand_chars[c] = c; | |
3099 | } | |
3882b010 | 3100 | else if (ISUPPER (c)) |
252b5132 | 3101 | { |
3882b010 | 3102 | mnemonic_chars[c] = TOLOWER (c); |
252b5132 RH |
3103 | register_chars[c] = mnemonic_chars[c]; |
3104 | operand_chars[c] = c; | |
3105 | } | |
43234a1e | 3106 | else if (c == '{' || c == '}') |
86fa6981 L |
3107 | { |
3108 | mnemonic_chars[c] = c; | |
3109 | operand_chars[c] = c; | |
3110 | } | |
252b5132 | 3111 | |
3882b010 | 3112 | if (ISALPHA (c) || ISDIGIT (c)) |
252b5132 RH |
3113 | identifier_chars[c] = c; |
3114 | else if (c >= 128) | |
3115 | { | |
3116 | identifier_chars[c] = c; | |
3117 | operand_chars[c] = c; | |
3118 | } | |
3119 | } | |
3120 | ||
3121 | #ifdef LEX_AT | |
3122 | identifier_chars['@'] = '@'; | |
32137342 NC |
3123 | #endif |
3124 | #ifdef LEX_QM | |
3125 | identifier_chars['?'] = '?'; | |
3126 | operand_chars['?'] = '?'; | |
252b5132 | 3127 | #endif |
252b5132 | 3128 | digit_chars['-'] = '-'; |
c0f3af97 | 3129 | mnemonic_chars['_'] = '_'; |
791fe849 | 3130 | mnemonic_chars['-'] = '-'; |
0003779b | 3131 | mnemonic_chars['.'] = '.'; |
252b5132 RH |
3132 | identifier_chars['_'] = '_'; |
3133 | identifier_chars['.'] = '.'; | |
3134 | ||
3135 | for (p = operand_special_chars; *p != '\0'; p++) | |
3136 | operand_chars[(unsigned char) *p] = *p; | |
3137 | } | |
3138 | ||
a4447b93 RH |
3139 | if (flag_code == CODE_64BIT) |
3140 | { | |
ca19b261 KT |
3141 | #if defined (OBJ_COFF) && defined (TE_PE) |
3142 | x86_dwarf2_return_column = (OUTPUT_FLAVOR == bfd_target_coff_flavour | |
3143 | ? 32 : 16); | |
3144 | #else | |
a4447b93 | 3145 | x86_dwarf2_return_column = 16; |
ca19b261 | 3146 | #endif |
61ff971f | 3147 | x86_cie_data_alignment = -8; |
a4447b93 RH |
3148 | } |
3149 | else | |
3150 | { | |
3151 | x86_dwarf2_return_column = 8; | |
3152 | x86_cie_data_alignment = -4; | |
3153 | } | |
e379e5f3 L |
3154 | |
3155 | /* NB: FUSED_JCC_PADDING frag must have sufficient room so that it | |
3156 | can be turned into BRANCH_PREFIX frag. */ | |
3157 | if (align_branch_prefix_size > MAX_FUSED_JCC_PADDING_SIZE) | |
3158 | abort (); | |
252b5132 RH |
3159 | } |
3160 | ||
3161 | void | |
e3bb37b5 | 3162 | i386_print_statistics (FILE *file) |
252b5132 RH |
3163 | { |
3164 | hash_print_statistics (file, "i386 opcode", op_hash); | |
3165 | hash_print_statistics (file, "i386 register", reg_hash); | |
3166 | } | |
3167 | \f | |
252b5132 RH |
3168 | #ifdef DEBUG386 |
3169 | ||
ce8a8b2f | 3170 | /* Debugging routines for md_assemble. */ |
d3ce72d0 | 3171 | static void pte (insn_template *); |
40fb9820 | 3172 | static void pt (i386_operand_type); |
e3bb37b5 L |
3173 | static void pe (expressionS *); |
3174 | static void ps (symbolS *); | |
252b5132 RH |
3175 | |
3176 | static void | |
2c703856 | 3177 | pi (const char *line, i386_insn *x) |
252b5132 | 3178 | { |
09137c09 | 3179 | unsigned int j; |
252b5132 RH |
3180 | |
3181 | fprintf (stdout, "%s: template ", line); | |
3182 | pte (&x->tm); | |
09f131f2 JH |
3183 | fprintf (stdout, " address: base %s index %s scale %x\n", |
3184 | x->base_reg ? x->base_reg->reg_name : "none", | |
3185 | x->index_reg ? x->index_reg->reg_name : "none", | |
3186 | x->log2_scale_factor); | |
3187 | fprintf (stdout, " modrm: mode %x reg %x reg/mem %x\n", | |
252b5132 | 3188 | x->rm.mode, x->rm.reg, x->rm.regmem); |
09f131f2 JH |
3189 | fprintf (stdout, " sib: base %x index %x scale %x\n", |
3190 | x->sib.base, x->sib.index, x->sib.scale); | |
3191 | fprintf (stdout, " rex: 64bit %x extX %x extY %x extZ %x\n", | |
161a04f6 L |
3192 | (x->rex & REX_W) != 0, |
3193 | (x->rex & REX_R) != 0, | |
3194 | (x->rex & REX_X) != 0, | |
3195 | (x->rex & REX_B) != 0); | |
09137c09 | 3196 | for (j = 0; j < x->operands; j++) |
252b5132 | 3197 | { |
09137c09 SP |
3198 | fprintf (stdout, " #%d: ", j + 1); |
3199 | pt (x->types[j]); | |
252b5132 | 3200 | fprintf (stdout, "\n"); |
bab6aec1 | 3201 | if (x->types[j].bitfield.class == Reg |
3528c362 JB |
3202 | || x->types[j].bitfield.class == RegMMX |
3203 | || x->types[j].bitfield.class == RegSIMD | |
dd6b8a0b | 3204 | || x->types[j].bitfield.class == RegMask |
00cee14f | 3205 | || x->types[j].bitfield.class == SReg |
4a5c67ed JB |
3206 | || x->types[j].bitfield.class == RegCR |
3207 | || x->types[j].bitfield.class == RegDR | |
dd6b8a0b JB |
3208 | || x->types[j].bitfield.class == RegTR |
3209 | || x->types[j].bitfield.class == RegBND) | |
09137c09 SP |
3210 | fprintf (stdout, "%s\n", x->op[j].regs->reg_name); |
3211 | if (operand_type_check (x->types[j], imm)) | |
3212 | pe (x->op[j].imms); | |
3213 | if (operand_type_check (x->types[j], disp)) | |
3214 | pe (x->op[j].disps); | |
252b5132 RH |
3215 | } |
3216 | } | |
3217 | ||
3218 | static void | |
d3ce72d0 | 3219 | pte (insn_template *t) |
252b5132 | 3220 | { |
09137c09 | 3221 | unsigned int j; |
252b5132 | 3222 | fprintf (stdout, " %d operands ", t->operands); |
47926f60 | 3223 | fprintf (stdout, "opcode %x ", t->base_opcode); |
252b5132 RH |
3224 | if (t->extension_opcode != None) |
3225 | fprintf (stdout, "ext %x ", t->extension_opcode); | |
40fb9820 | 3226 | if (t->opcode_modifier.d) |
252b5132 | 3227 | fprintf (stdout, "D"); |
40fb9820 | 3228 | if (t->opcode_modifier.w) |
252b5132 RH |
3229 | fprintf (stdout, "W"); |
3230 | fprintf (stdout, "\n"); | |
09137c09 | 3231 | for (j = 0; j < t->operands; j++) |
252b5132 | 3232 | { |
09137c09 SP |
3233 | fprintf (stdout, " #%d type ", j + 1); |
3234 | pt (t->operand_types[j]); | |
252b5132 RH |
3235 | fprintf (stdout, "\n"); |
3236 | } | |
3237 | } | |
3238 | ||
3239 | static void | |
e3bb37b5 | 3240 | pe (expressionS *e) |
252b5132 | 3241 | { |
24eab124 | 3242 | fprintf (stdout, " operation %d\n", e->X_op); |
b77ad1d4 AM |
3243 | fprintf (stdout, " add_number %ld (%lx)\n", |
3244 | (long) e->X_add_number, (long) e->X_add_number); | |
252b5132 RH |
3245 | if (e->X_add_symbol) |
3246 | { | |
3247 | fprintf (stdout, " add_symbol "); | |
3248 | ps (e->X_add_symbol); | |
3249 | fprintf (stdout, "\n"); | |
3250 | } | |
3251 | if (e->X_op_symbol) | |
3252 | { | |
3253 | fprintf (stdout, " op_symbol "); | |
3254 | ps (e->X_op_symbol); | |
3255 | fprintf (stdout, "\n"); | |
3256 | } | |
3257 | } | |
3258 | ||
3259 | static void | |
e3bb37b5 | 3260 | ps (symbolS *s) |
252b5132 RH |
3261 | { |
3262 | fprintf (stdout, "%s type %s%s", | |
3263 | S_GET_NAME (s), | |
3264 | S_IS_EXTERNAL (s) ? "EXTERNAL " : "", | |
3265 | segment_name (S_GET_SEGMENT (s))); | |
3266 | } | |
3267 | ||
7b81dfbb | 3268 | static struct type_name |
252b5132 | 3269 | { |
40fb9820 L |
3270 | i386_operand_type mask; |
3271 | const char *name; | |
252b5132 | 3272 | } |
7b81dfbb | 3273 | const type_names[] = |
252b5132 | 3274 | { |
40fb9820 L |
3275 | { OPERAND_TYPE_REG8, "r8" }, |
3276 | { OPERAND_TYPE_REG16, "r16" }, | |
3277 | { OPERAND_TYPE_REG32, "r32" }, | |
3278 | { OPERAND_TYPE_REG64, "r64" }, | |
2c703856 JB |
3279 | { OPERAND_TYPE_ACC8, "acc8" }, |
3280 | { OPERAND_TYPE_ACC16, "acc16" }, | |
3281 | { OPERAND_TYPE_ACC32, "acc32" }, | |
3282 | { OPERAND_TYPE_ACC64, "acc64" }, | |
40fb9820 L |
3283 | { OPERAND_TYPE_IMM8, "i8" }, |
3284 | { OPERAND_TYPE_IMM8, "i8s" }, | |
3285 | { OPERAND_TYPE_IMM16, "i16" }, | |
3286 | { OPERAND_TYPE_IMM32, "i32" }, | |
3287 | { OPERAND_TYPE_IMM32S, "i32s" }, | |
3288 | { OPERAND_TYPE_IMM64, "i64" }, | |
3289 | { OPERAND_TYPE_IMM1, "i1" }, | |
3290 | { OPERAND_TYPE_BASEINDEX, "BaseIndex" }, | |
3291 | { OPERAND_TYPE_DISP8, "d8" }, | |
3292 | { OPERAND_TYPE_DISP16, "d16" }, | |
3293 | { OPERAND_TYPE_DISP32, "d32" }, | |
3294 | { OPERAND_TYPE_DISP32S, "d32s" }, | |
3295 | { OPERAND_TYPE_DISP64, "d64" }, | |
3296 | { OPERAND_TYPE_INOUTPORTREG, "InOutPortReg" }, | |
3297 | { OPERAND_TYPE_SHIFTCOUNT, "ShiftCount" }, | |
3298 | { OPERAND_TYPE_CONTROL, "control reg" }, | |
3299 | { OPERAND_TYPE_TEST, "test reg" }, | |
3300 | { OPERAND_TYPE_DEBUG, "debug reg" }, | |
3301 | { OPERAND_TYPE_FLOATREG, "FReg" }, | |
3302 | { OPERAND_TYPE_FLOATACC, "FAcc" }, | |
21df382b | 3303 | { OPERAND_TYPE_SREG, "SReg" }, |
40fb9820 L |
3304 | { OPERAND_TYPE_REGMMX, "rMMX" }, |
3305 | { OPERAND_TYPE_REGXMM, "rXMM" }, | |
0349dc08 | 3306 | { OPERAND_TYPE_REGYMM, "rYMM" }, |
43234a1e L |
3307 | { OPERAND_TYPE_REGZMM, "rZMM" }, |
3308 | { OPERAND_TYPE_REGMASK, "Mask reg" }, | |
252b5132 RH |
3309 | }; |
3310 | ||
3311 | static void | |
40fb9820 | 3312 | pt (i386_operand_type t) |
252b5132 | 3313 | { |
40fb9820 | 3314 | unsigned int j; |
c6fb90c8 | 3315 | i386_operand_type a; |
252b5132 | 3316 | |
40fb9820 | 3317 | for (j = 0; j < ARRAY_SIZE (type_names); j++) |
c6fb90c8 L |
3318 | { |
3319 | a = operand_type_and (t, type_names[j].mask); | |
2c703856 | 3320 | if (operand_type_equal (&a, &type_names[j].mask)) |
c6fb90c8 L |
3321 | fprintf (stdout, "%s, ", type_names[j].name); |
3322 | } | |
252b5132 RH |
3323 | fflush (stdout); |
3324 | } | |
3325 | ||
3326 | #endif /* DEBUG386 */ | |
3327 | \f | |
252b5132 | 3328 | static bfd_reloc_code_real_type |
3956db08 | 3329 | reloc (unsigned int size, |
64e74474 AM |
3330 | int pcrel, |
3331 | int sign, | |
3332 | bfd_reloc_code_real_type other) | |
252b5132 | 3333 | { |
47926f60 | 3334 | if (other != NO_RELOC) |
3956db08 | 3335 | { |
91d6fa6a | 3336 | reloc_howto_type *rel; |
3956db08 JB |
3337 | |
3338 | if (size == 8) | |
3339 | switch (other) | |
3340 | { | |
64e74474 AM |
3341 | case BFD_RELOC_X86_64_GOT32: |
3342 | return BFD_RELOC_X86_64_GOT64; | |
3343 | break; | |
553d1284 L |
3344 | case BFD_RELOC_X86_64_GOTPLT64: |
3345 | return BFD_RELOC_X86_64_GOTPLT64; | |
3346 | break; | |
64e74474 AM |
3347 | case BFD_RELOC_X86_64_PLTOFF64: |
3348 | return BFD_RELOC_X86_64_PLTOFF64; | |
3349 | break; | |
3350 | case BFD_RELOC_X86_64_GOTPC32: | |
3351 | other = BFD_RELOC_X86_64_GOTPC64; | |
3352 | break; | |
3353 | case BFD_RELOC_X86_64_GOTPCREL: | |
3354 | other = BFD_RELOC_X86_64_GOTPCREL64; | |
3355 | break; | |
3356 | case BFD_RELOC_X86_64_TPOFF32: | |
3357 | other = BFD_RELOC_X86_64_TPOFF64; | |
3358 | break; | |
3359 | case BFD_RELOC_X86_64_DTPOFF32: | |
3360 | other = BFD_RELOC_X86_64_DTPOFF64; | |
3361 | break; | |
3362 | default: | |
3363 | break; | |
3956db08 | 3364 | } |
e05278af | 3365 | |
8ce3d284 | 3366 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8fd4256d L |
3367 | if (other == BFD_RELOC_SIZE32) |
3368 | { | |
3369 | if (size == 8) | |
1ab668bf | 3370 | other = BFD_RELOC_SIZE64; |
8fd4256d | 3371 | if (pcrel) |
1ab668bf AM |
3372 | { |
3373 | as_bad (_("there are no pc-relative size relocations")); | |
3374 | return NO_RELOC; | |
3375 | } | |
8fd4256d | 3376 | } |
8ce3d284 | 3377 | #endif |
8fd4256d | 3378 | |
e05278af | 3379 | /* Sign-checking 4-byte relocations in 16-/32-bit code is pointless. */ |
f2d8a97c | 3380 | if (size == 4 && (flag_code != CODE_64BIT || disallow_64bit_reloc)) |
e05278af JB |
3381 | sign = -1; |
3382 | ||
91d6fa6a NC |
3383 | rel = bfd_reloc_type_lookup (stdoutput, other); |
3384 | if (!rel) | |
3956db08 | 3385 | as_bad (_("unknown relocation (%u)"), other); |
91d6fa6a | 3386 | else if (size != bfd_get_reloc_size (rel)) |
3956db08 | 3387 | as_bad (_("%u-byte relocation cannot be applied to %u-byte field"), |
91d6fa6a | 3388 | bfd_get_reloc_size (rel), |
3956db08 | 3389 | size); |
91d6fa6a | 3390 | else if (pcrel && !rel->pc_relative) |
3956db08 | 3391 | as_bad (_("non-pc-relative relocation for pc-relative field")); |
91d6fa6a | 3392 | else if ((rel->complain_on_overflow == complain_overflow_signed |
3956db08 | 3393 | && !sign) |
91d6fa6a | 3394 | || (rel->complain_on_overflow == complain_overflow_unsigned |
64e74474 | 3395 | && sign > 0)) |
3956db08 JB |
3396 | as_bad (_("relocated field and relocation type differ in signedness")); |
3397 | else | |
3398 | return other; | |
3399 | return NO_RELOC; | |
3400 | } | |
252b5132 RH |
3401 | |
3402 | if (pcrel) | |
3403 | { | |
3e73aa7c | 3404 | if (!sign) |
3956db08 | 3405 | as_bad (_("there are no unsigned pc-relative relocations")); |
252b5132 RH |
3406 | switch (size) |
3407 | { | |
3408 | case 1: return BFD_RELOC_8_PCREL; | |
3409 | case 2: return BFD_RELOC_16_PCREL; | |
d258b828 | 3410 | case 4: return BFD_RELOC_32_PCREL; |
d6ab8113 | 3411 | case 8: return BFD_RELOC_64_PCREL; |
252b5132 | 3412 | } |
3956db08 | 3413 | as_bad (_("cannot do %u byte pc-relative relocation"), size); |
252b5132 RH |
3414 | } |
3415 | else | |
3416 | { | |
3956db08 | 3417 | if (sign > 0) |
e5cb08ac | 3418 | switch (size) |
3e73aa7c JH |
3419 | { |
3420 | case 4: return BFD_RELOC_X86_64_32S; | |
3421 | } | |
3422 | else | |
3423 | switch (size) | |
3424 | { | |
3425 | case 1: return BFD_RELOC_8; | |
3426 | case 2: return BFD_RELOC_16; | |
3427 | case 4: return BFD_RELOC_32; | |
3428 | case 8: return BFD_RELOC_64; | |
3429 | } | |
3956db08 JB |
3430 | as_bad (_("cannot do %s %u byte relocation"), |
3431 | sign > 0 ? "signed" : "unsigned", size); | |
252b5132 RH |
3432 | } |
3433 | ||
0cc9e1d3 | 3434 | return NO_RELOC; |
252b5132 RH |
3435 | } |
3436 | ||
47926f60 KH |
3437 | /* Here we decide which fixups can be adjusted to make them relative to |
3438 | the beginning of the section instead of the symbol. Basically we need | |
3439 | to make sure that the dynamic relocations are done correctly, so in | |
3440 | some cases we force the original symbol to be used. */ | |
3441 | ||
252b5132 | 3442 | int |
e3bb37b5 | 3443 | tc_i386_fix_adjustable (fixS *fixP ATTRIBUTE_UNUSED) |
252b5132 | 3444 | { |
6d249963 | 3445 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
718ddfc0 | 3446 | if (!IS_ELF) |
31312f95 AM |
3447 | return 1; |
3448 | ||
a161fe53 AM |
3449 | /* Don't adjust pc-relative references to merge sections in 64-bit |
3450 | mode. */ | |
3451 | if (use_rela_relocations | |
3452 | && (S_GET_SEGMENT (fixP->fx_addsy)->flags & SEC_MERGE) != 0 | |
3453 | && fixP->fx_pcrel) | |
252b5132 | 3454 | return 0; |
31312f95 | 3455 | |
8d01d9a9 AJ |
3456 | /* The x86_64 GOTPCREL are represented as 32bit PCrel relocations |
3457 | and changed later by validate_fix. */ | |
3458 | if (GOT_symbol && fixP->fx_subsy == GOT_symbol | |
3459 | && fixP->fx_r_type == BFD_RELOC_32_PCREL) | |
3460 | return 0; | |
3461 | ||
8fd4256d L |
3462 | /* Adjust_reloc_syms doesn't know about the GOT. Need to keep symbol |
3463 | for size relocations. */ | |
3464 | if (fixP->fx_r_type == BFD_RELOC_SIZE32 | |
3465 | || fixP->fx_r_type == BFD_RELOC_SIZE64 | |
3466 | || fixP->fx_r_type == BFD_RELOC_386_GOTOFF | |
252b5132 | 3467 | || fixP->fx_r_type == BFD_RELOC_386_GOT32 |
02a86693 | 3468 | || fixP->fx_r_type == BFD_RELOC_386_GOT32X |
13ae64f3 JJ |
3469 | || fixP->fx_r_type == BFD_RELOC_386_TLS_GD |
3470 | || fixP->fx_r_type == BFD_RELOC_386_TLS_LDM | |
3471 | || fixP->fx_r_type == BFD_RELOC_386_TLS_LDO_32 | |
3472 | || fixP->fx_r_type == BFD_RELOC_386_TLS_IE_32 | |
37e55690 JJ |
3473 | || fixP->fx_r_type == BFD_RELOC_386_TLS_IE |
3474 | || fixP->fx_r_type == BFD_RELOC_386_TLS_GOTIE | |
13ae64f3 JJ |
3475 | || fixP->fx_r_type == BFD_RELOC_386_TLS_LE_32 |
3476 | || fixP->fx_r_type == BFD_RELOC_386_TLS_LE | |
67a4f2b7 AO |
3477 | || fixP->fx_r_type == BFD_RELOC_386_TLS_GOTDESC |
3478 | || fixP->fx_r_type == BFD_RELOC_386_TLS_DESC_CALL | |
3e73aa7c | 3479 | || fixP->fx_r_type == BFD_RELOC_X86_64_GOT32 |
80b3ee89 | 3480 | || fixP->fx_r_type == BFD_RELOC_X86_64_GOTPCREL |
56ceb5b5 L |
3481 | || fixP->fx_r_type == BFD_RELOC_X86_64_GOTPCRELX |
3482 | || fixP->fx_r_type == BFD_RELOC_X86_64_REX_GOTPCRELX | |
bffbf940 JJ |
3483 | || fixP->fx_r_type == BFD_RELOC_X86_64_TLSGD |
3484 | || fixP->fx_r_type == BFD_RELOC_X86_64_TLSLD | |
3485 | || fixP->fx_r_type == BFD_RELOC_X86_64_DTPOFF32 | |
d6ab8113 | 3486 | || fixP->fx_r_type == BFD_RELOC_X86_64_DTPOFF64 |
bffbf940 JJ |
3487 | || fixP->fx_r_type == BFD_RELOC_X86_64_GOTTPOFF |
3488 | || fixP->fx_r_type == BFD_RELOC_X86_64_TPOFF32 | |
d6ab8113 JB |
3489 | || fixP->fx_r_type == BFD_RELOC_X86_64_TPOFF64 |
3490 | || fixP->fx_r_type == BFD_RELOC_X86_64_GOTOFF64 | |
67a4f2b7 AO |
3491 | || fixP->fx_r_type == BFD_RELOC_X86_64_GOTPC32_TLSDESC |
3492 | || fixP->fx_r_type == BFD_RELOC_X86_64_TLSDESC_CALL | |
252b5132 RH |
3493 | || fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT |
3494 | || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY) | |
3495 | return 0; | |
31312f95 | 3496 | #endif |
252b5132 RH |
3497 | return 1; |
3498 | } | |
252b5132 | 3499 | |
b4cac588 | 3500 | static int |
e3bb37b5 | 3501 | intel_float_operand (const char *mnemonic) |
252b5132 | 3502 | { |
9306ca4a JB |
3503 | /* Note that the value returned is meaningful only for opcodes with (memory) |
3504 | operands, hence the code here is free to improperly handle opcodes that | |
3505 | have no operands (for better performance and smaller code). */ | |
3506 | ||
3507 | if (mnemonic[0] != 'f') | |
3508 | return 0; /* non-math */ | |
3509 | ||
3510 | switch (mnemonic[1]) | |
3511 | { | |
3512 | /* fclex, fdecstp, fdisi, femms, feni, fincstp, finit, fsetpm, and | |
3513 | the fs segment override prefix not currently handled because no | |
3514 | call path can make opcodes without operands get here */ | |
3515 | case 'i': | |
3516 | return 2 /* integer op */; | |
3517 | case 'l': | |
3518 | if (mnemonic[2] == 'd' && (mnemonic[3] == 'c' || mnemonic[3] == 'e')) | |
3519 | return 3; /* fldcw/fldenv */ | |
3520 | break; | |
3521 | case 'n': | |
3522 | if (mnemonic[2] != 'o' /* fnop */) | |
3523 | return 3; /* non-waiting control op */ | |
3524 | break; | |
3525 | case 'r': | |
3526 | if (mnemonic[2] == 's') | |
3527 | return 3; /* frstor/frstpm */ | |
3528 | break; | |
3529 | case 's': | |
3530 | if (mnemonic[2] == 'a') | |
3531 | return 3; /* fsave */ | |
3532 | if (mnemonic[2] == 't') | |
3533 | { | |
3534 | switch (mnemonic[3]) | |
3535 | { | |
3536 | case 'c': /* fstcw */ | |
3537 | case 'd': /* fstdw */ | |
3538 | case 'e': /* fstenv */ | |
3539 | case 's': /* fsts[gw] */ | |
3540 | return 3; | |
3541 | } | |
3542 | } | |
3543 | break; | |
3544 | case 'x': | |
3545 | if (mnemonic[2] == 'r' || mnemonic[2] == 's') | |
3546 | return 0; /* fxsave/fxrstor are not really math ops */ | |
3547 | break; | |
3548 | } | |
252b5132 | 3549 | |
9306ca4a | 3550 | return 1; |
252b5132 RH |
3551 | } |
3552 | ||
c0f3af97 L |
3553 | /* Build the VEX prefix. */ |
3554 | ||
3555 | static void | |
d3ce72d0 | 3556 | build_vex_prefix (const insn_template *t) |
c0f3af97 L |
3557 | { |
3558 | unsigned int register_specifier; | |
3559 | unsigned int implied_prefix; | |
3560 | unsigned int vector_length; | |
03751133 | 3561 | unsigned int w; |
c0f3af97 L |
3562 | |
3563 | /* Check register specifier. */ | |
3564 | if (i.vex.register_specifier) | |
43234a1e L |
3565 | { |
3566 | register_specifier = | |
3567 | ~register_number (i.vex.register_specifier) & 0xf; | |
3568 | gas_assert ((i.vex.register_specifier->reg_flags & RegVRex) == 0); | |
3569 | } | |
c0f3af97 L |
3570 | else |
3571 | register_specifier = 0xf; | |
3572 | ||
79f0fa25 L |
3573 | /* Use 2-byte VEX prefix by swapping destination and source operand |
3574 | if there are more than 1 register operand. */ | |
3575 | if (i.reg_operands > 1 | |
3576 | && i.vec_encoding != vex_encoding_vex3 | |
86fa6981 | 3577 | && i.dir_encoding == dir_encoding_default |
fa99fab2 | 3578 | && i.operands == i.reg_operands |
dbbc8b7e | 3579 | && operand_type_equal (&i.types[0], &i.types[i.operands - 1]) |
7f399153 | 3580 | && i.tm.opcode_modifier.vexopcode == VEX0F |
dbbc8b7e | 3581 | && (i.tm.opcode_modifier.load || i.tm.opcode_modifier.d) |
fa99fab2 L |
3582 | && i.rex == REX_B) |
3583 | { | |
3584 | unsigned int xchg = i.operands - 1; | |
3585 | union i386_op temp_op; | |
3586 | i386_operand_type temp_type; | |
3587 | ||
3588 | temp_type = i.types[xchg]; | |
3589 | i.types[xchg] = i.types[0]; | |
3590 | i.types[0] = temp_type; | |
3591 | temp_op = i.op[xchg]; | |
3592 | i.op[xchg] = i.op[0]; | |
3593 | i.op[0] = temp_op; | |
3594 | ||
9c2799c2 | 3595 | gas_assert (i.rm.mode == 3); |
fa99fab2 L |
3596 | |
3597 | i.rex = REX_R; | |
3598 | xchg = i.rm.regmem; | |
3599 | i.rm.regmem = i.rm.reg; | |
3600 | i.rm.reg = xchg; | |
3601 | ||
dbbc8b7e JB |
3602 | if (i.tm.opcode_modifier.d) |
3603 | i.tm.base_opcode ^= (i.tm.base_opcode & 0xee) != 0x6e | |
3604 | ? Opcode_SIMD_FloatD : Opcode_SIMD_IntD; | |
3605 | else /* Use the next insn. */ | |
3606 | i.tm = t[1]; | |
fa99fab2 L |
3607 | } |
3608 | ||
79dec6b7 JB |
3609 | /* Use 2-byte VEX prefix by swapping commutative source operands if there |
3610 | are no memory operands and at least 3 register ones. */ | |
3611 | if (i.reg_operands >= 3 | |
3612 | && i.vec_encoding != vex_encoding_vex3 | |
3613 | && i.reg_operands == i.operands - i.imm_operands | |
3614 | && i.tm.opcode_modifier.vex | |
3615 | && i.tm.opcode_modifier.commutative | |
3616 | && (i.tm.opcode_modifier.sse2avx || optimize > 1) | |
3617 | && i.rex == REX_B | |
3618 | && i.vex.register_specifier | |
3619 | && !(i.vex.register_specifier->reg_flags & RegRex)) | |
3620 | { | |
3621 | unsigned int xchg = i.operands - i.reg_operands; | |
3622 | union i386_op temp_op; | |
3623 | i386_operand_type temp_type; | |
3624 | ||
3625 | gas_assert (i.tm.opcode_modifier.vexopcode == VEX0F); | |
3626 | gas_assert (!i.tm.opcode_modifier.sae); | |
3627 | gas_assert (operand_type_equal (&i.types[i.operands - 2], | |
3628 | &i.types[i.operands - 3])); | |
3629 | gas_assert (i.rm.mode == 3); | |
3630 | ||
3631 | temp_type = i.types[xchg]; | |
3632 | i.types[xchg] = i.types[xchg + 1]; | |
3633 | i.types[xchg + 1] = temp_type; | |
3634 | temp_op = i.op[xchg]; | |
3635 | i.op[xchg] = i.op[xchg + 1]; | |
3636 | i.op[xchg + 1] = temp_op; | |
3637 | ||
3638 | i.rex = 0; | |
3639 | xchg = i.rm.regmem | 8; | |
3640 | i.rm.regmem = ~register_specifier & 0xf; | |
3641 | gas_assert (!(i.rm.regmem & 8)); | |
3642 | i.vex.register_specifier += xchg - i.rm.regmem; | |
3643 | register_specifier = ~xchg & 0xf; | |
3644 | } | |
3645 | ||
539f890d L |
3646 | if (i.tm.opcode_modifier.vex == VEXScalar) |
3647 | vector_length = avxscalar; | |
10c17abd JB |
3648 | else if (i.tm.opcode_modifier.vex == VEX256) |
3649 | vector_length = 1; | |
539f890d | 3650 | else |
10c17abd | 3651 | { |
56522fc5 | 3652 | unsigned int op; |
10c17abd | 3653 | |
c7213af9 L |
3654 | /* Determine vector length from the last multi-length vector |
3655 | operand. */ | |
10c17abd | 3656 | vector_length = 0; |
56522fc5 | 3657 | for (op = t->operands; op--;) |
10c17abd JB |
3658 | if (t->operand_types[op].bitfield.xmmword |
3659 | && t->operand_types[op].bitfield.ymmword | |
3660 | && i.types[op].bitfield.ymmword) | |
3661 | { | |
3662 | vector_length = 1; | |
3663 | break; | |
3664 | } | |
3665 | } | |
c0f3af97 L |
3666 | |
3667 | switch ((i.tm.base_opcode >> 8) & 0xff) | |
3668 | { | |
3669 | case 0: | |
3670 | implied_prefix = 0; | |
3671 | break; | |
3672 | case DATA_PREFIX_OPCODE: | |
3673 | implied_prefix = 1; | |
3674 | break; | |
3675 | case REPE_PREFIX_OPCODE: | |
3676 | implied_prefix = 2; | |
3677 | break; | |
3678 | case REPNE_PREFIX_OPCODE: | |
3679 | implied_prefix = 3; | |
3680 | break; | |
3681 | default: | |
3682 | abort (); | |
3683 | } | |
3684 | ||
03751133 L |
3685 | /* Check the REX.W bit and VEXW. */ |
3686 | if (i.tm.opcode_modifier.vexw == VEXWIG) | |
3687 | w = (vexwig == vexw1 || (i.rex & REX_W)) ? 1 : 0; | |
3688 | else if (i.tm.opcode_modifier.vexw) | |
3689 | w = i.tm.opcode_modifier.vexw == VEXW1 ? 1 : 0; | |
3690 | else | |
931d03b7 | 3691 | w = (flag_code == CODE_64BIT ? i.rex & REX_W : vexwig == vexw1) ? 1 : 0; |
03751133 | 3692 | |
c0f3af97 | 3693 | /* Use 2-byte VEX prefix if possible. */ |
03751133 L |
3694 | if (w == 0 |
3695 | && i.vec_encoding != vex_encoding_vex3 | |
86fa6981 | 3696 | && i.tm.opcode_modifier.vexopcode == VEX0F |
c0f3af97 L |
3697 | && (i.rex & (REX_W | REX_X | REX_B)) == 0) |
3698 | { | |
3699 | /* 2-byte VEX prefix. */ | |
3700 | unsigned int r; | |
3701 | ||
3702 | i.vex.length = 2; | |
3703 | i.vex.bytes[0] = 0xc5; | |
3704 | ||
3705 | /* Check the REX.R bit. */ | |
3706 | r = (i.rex & REX_R) ? 0 : 1; | |
3707 | i.vex.bytes[1] = (r << 7 | |
3708 | | register_specifier << 3 | |
3709 | | vector_length << 2 | |
3710 | | implied_prefix); | |
3711 | } | |
3712 | else | |
3713 | { | |
3714 | /* 3-byte VEX prefix. */ | |
03751133 | 3715 | unsigned int m; |
c0f3af97 | 3716 | |
f88c9eb0 | 3717 | i.vex.length = 3; |
f88c9eb0 | 3718 | |
7f399153 | 3719 | switch (i.tm.opcode_modifier.vexopcode) |
5dd85c99 | 3720 | { |
7f399153 L |
3721 | case VEX0F: |
3722 | m = 0x1; | |
80de6e00 | 3723 | i.vex.bytes[0] = 0xc4; |
7f399153 L |
3724 | break; |
3725 | case VEX0F38: | |
3726 | m = 0x2; | |
80de6e00 | 3727 | i.vex.bytes[0] = 0xc4; |
7f399153 L |
3728 | break; |
3729 | case VEX0F3A: | |
3730 | m = 0x3; | |
80de6e00 | 3731 | i.vex.bytes[0] = 0xc4; |
7f399153 L |
3732 | break; |
3733 | case XOP08: | |
5dd85c99 SP |
3734 | m = 0x8; |
3735 | i.vex.bytes[0] = 0x8f; | |
7f399153 L |
3736 | break; |
3737 | case XOP09: | |
f88c9eb0 SP |
3738 | m = 0x9; |
3739 | i.vex.bytes[0] = 0x8f; | |
7f399153 L |
3740 | break; |
3741 | case XOP0A: | |
f88c9eb0 SP |
3742 | m = 0xa; |
3743 | i.vex.bytes[0] = 0x8f; | |
7f399153 L |
3744 | break; |
3745 | default: | |
3746 | abort (); | |
f88c9eb0 | 3747 | } |
c0f3af97 | 3748 | |
c0f3af97 L |
3749 | /* The high 3 bits of the second VEX byte are 1's compliment |
3750 | of RXB bits from REX. */ | |
3751 | i.vex.bytes[1] = (~i.rex & 0x7) << 5 | m; | |
3752 | ||
c0f3af97 L |
3753 | i.vex.bytes[2] = (w << 7 |
3754 | | register_specifier << 3 | |
3755 | | vector_length << 2 | |
3756 | | implied_prefix); | |
3757 | } | |
3758 | } | |
3759 | ||
e771e7c9 JB |
3760 | static INLINE bfd_boolean |
3761 | is_evex_encoding (const insn_template *t) | |
3762 | { | |
7091c612 | 3763 | return t->opcode_modifier.evex || t->opcode_modifier.disp8memshift |
e771e7c9 | 3764 | || t->opcode_modifier.broadcast || t->opcode_modifier.masking |
a80195f1 | 3765 | || t->opcode_modifier.sae; |
e771e7c9 JB |
3766 | } |
3767 | ||
7a8655d2 JB |
3768 | static INLINE bfd_boolean |
3769 | is_any_vex_encoding (const insn_template *t) | |
3770 | { | |
3771 | return t->opcode_modifier.vex || t->opcode_modifier.vexopcode | |
3772 | || is_evex_encoding (t); | |
3773 | } | |
3774 | ||
43234a1e L |
3775 | /* Build the EVEX prefix. */ |
3776 | ||
3777 | static void | |
3778 | build_evex_prefix (void) | |
3779 | { | |
3780 | unsigned int register_specifier; | |
3781 | unsigned int implied_prefix; | |
3782 | unsigned int m, w; | |
3783 | rex_byte vrex_used = 0; | |
3784 | ||
3785 | /* Check register specifier. */ | |
3786 | if (i.vex.register_specifier) | |
3787 | { | |
3788 | gas_assert ((i.vrex & REX_X) == 0); | |
3789 | ||
3790 | register_specifier = i.vex.register_specifier->reg_num; | |
3791 | if ((i.vex.register_specifier->reg_flags & RegRex)) | |
3792 | register_specifier += 8; | |
3793 | /* The upper 16 registers are encoded in the fourth byte of the | |
3794 | EVEX prefix. */ | |
3795 | if (!(i.vex.register_specifier->reg_flags & RegVRex)) | |
3796 | i.vex.bytes[3] = 0x8; | |
3797 | register_specifier = ~register_specifier & 0xf; | |
3798 | } | |
3799 | else | |
3800 | { | |
3801 | register_specifier = 0xf; | |
3802 | ||
3803 | /* Encode upper 16 vector index register in the fourth byte of | |
3804 | the EVEX prefix. */ | |
3805 | if (!(i.vrex & REX_X)) | |
3806 | i.vex.bytes[3] = 0x8; | |
3807 | else | |
3808 | vrex_used |= REX_X; | |
3809 | } | |
3810 | ||
3811 | switch ((i.tm.base_opcode >> 8) & 0xff) | |
3812 | { | |
3813 | case 0: | |
3814 | implied_prefix = 0; | |
3815 | break; | |
3816 | case DATA_PREFIX_OPCODE: | |
3817 | implied_prefix = 1; | |
3818 | break; | |
3819 | case REPE_PREFIX_OPCODE: | |
3820 | implied_prefix = 2; | |
3821 | break; | |
3822 | case REPNE_PREFIX_OPCODE: | |
3823 | implied_prefix = 3; | |
3824 | break; | |
3825 | default: | |
3826 | abort (); | |
3827 | } | |
3828 | ||
3829 | /* 4 byte EVEX prefix. */ | |
3830 | i.vex.length = 4; | |
3831 | i.vex.bytes[0] = 0x62; | |
3832 | ||
3833 | /* mmmm bits. */ | |
3834 | switch (i.tm.opcode_modifier.vexopcode) | |
3835 | { | |
3836 | case VEX0F: | |
3837 | m = 1; | |
3838 | break; | |
3839 | case VEX0F38: | |
3840 | m = 2; | |
3841 | break; | |
3842 | case VEX0F3A: | |
3843 | m = 3; | |
3844 | break; | |
3845 | default: | |
3846 | abort (); | |
3847 | break; | |
3848 | } | |
3849 | ||
3850 | /* The high 3 bits of the second EVEX byte are 1's compliment of RXB | |
3851 | bits from REX. */ | |
3852 | i.vex.bytes[1] = (~i.rex & 0x7) << 5 | m; | |
3853 | ||
3854 | /* The fifth bit of the second EVEX byte is 1's compliment of the | |
3855 | REX_R bit in VREX. */ | |
3856 | if (!(i.vrex & REX_R)) | |
3857 | i.vex.bytes[1] |= 0x10; | |
3858 | else | |
3859 | vrex_used |= REX_R; | |
3860 | ||
3861 | if ((i.reg_operands + i.imm_operands) == i.operands) | |
3862 | { | |
3863 | /* When all operands are registers, the REX_X bit in REX is not | |
3864 | used. We reuse it to encode the upper 16 registers, which is | |
3865 | indicated by the REX_B bit in VREX. The REX_X bit is encoded | |
3866 | as 1's compliment. */ | |
3867 | if ((i.vrex & REX_B)) | |
3868 | { | |
3869 | vrex_used |= REX_B; | |
3870 | i.vex.bytes[1] &= ~0x40; | |
3871 | } | |
3872 | } | |
3873 | ||
3874 | /* EVEX instructions shouldn't need the REX prefix. */ | |
3875 | i.vrex &= ~vrex_used; | |
3876 | gas_assert (i.vrex == 0); | |
3877 | ||
6865c043 L |
3878 | /* Check the REX.W bit and VEXW. */ |
3879 | if (i.tm.opcode_modifier.vexw == VEXWIG) | |
3880 | w = (evexwig == evexw1 || (i.rex & REX_W)) ? 1 : 0; | |
3881 | else if (i.tm.opcode_modifier.vexw) | |
3882 | w = i.tm.opcode_modifier.vexw == VEXW1 ? 1 : 0; | |
3883 | else | |
931d03b7 | 3884 | w = (flag_code == CODE_64BIT ? i.rex & REX_W : evexwig == evexw1) ? 1 : 0; |
43234a1e L |
3885 | |
3886 | /* Encode the U bit. */ | |
3887 | implied_prefix |= 0x4; | |
3888 | ||
3889 | /* The third byte of the EVEX prefix. */ | |
3890 | i.vex.bytes[2] = (w << 7 | register_specifier << 3 | implied_prefix); | |
3891 | ||
3892 | /* The fourth byte of the EVEX prefix. */ | |
3893 | /* The zeroing-masking bit. */ | |
3894 | if (i.mask && i.mask->zeroing) | |
3895 | i.vex.bytes[3] |= 0x80; | |
3896 | ||
3897 | /* Don't always set the broadcast bit if there is no RC. */ | |
3898 | if (!i.rounding) | |
3899 | { | |
3900 | /* Encode the vector length. */ | |
3901 | unsigned int vec_length; | |
3902 | ||
e771e7c9 JB |
3903 | if (!i.tm.opcode_modifier.evex |
3904 | || i.tm.opcode_modifier.evex == EVEXDYN) | |
3905 | { | |
56522fc5 | 3906 | unsigned int op; |
e771e7c9 | 3907 | |
c7213af9 L |
3908 | /* Determine vector length from the last multi-length vector |
3909 | operand. */ | |
56522fc5 | 3910 | for (op = i.operands; op--;) |
e771e7c9 JB |
3911 | if (i.tm.operand_types[op].bitfield.xmmword |
3912 | + i.tm.operand_types[op].bitfield.ymmword | |
3913 | + i.tm.operand_types[op].bitfield.zmmword > 1) | |
3914 | { | |
3915 | if (i.types[op].bitfield.zmmword) | |
c7213af9 L |
3916 | { |
3917 | i.tm.opcode_modifier.evex = EVEX512; | |
3918 | break; | |
3919 | } | |
e771e7c9 | 3920 | else if (i.types[op].bitfield.ymmword) |
c7213af9 L |
3921 | { |
3922 | i.tm.opcode_modifier.evex = EVEX256; | |
3923 | break; | |
3924 | } | |
e771e7c9 | 3925 | else if (i.types[op].bitfield.xmmword) |
c7213af9 L |
3926 | { |
3927 | i.tm.opcode_modifier.evex = EVEX128; | |
3928 | break; | |
3929 | } | |
625cbd7a JB |
3930 | else if (i.broadcast && (int) op == i.broadcast->operand) |
3931 | { | |
4a1b91ea | 3932 | switch (i.broadcast->bytes) |
625cbd7a JB |
3933 | { |
3934 | case 64: | |
3935 | i.tm.opcode_modifier.evex = EVEX512; | |
3936 | break; | |
3937 | case 32: | |
3938 | i.tm.opcode_modifier.evex = EVEX256; | |
3939 | break; | |
3940 | case 16: | |
3941 | i.tm.opcode_modifier.evex = EVEX128; | |
3942 | break; | |
3943 | default: | |
c7213af9 | 3944 | abort (); |
625cbd7a | 3945 | } |
c7213af9 | 3946 | break; |
625cbd7a | 3947 | } |
e771e7c9 | 3948 | } |
c7213af9 | 3949 | |
56522fc5 | 3950 | if (op >= MAX_OPERANDS) |
c7213af9 | 3951 | abort (); |
e771e7c9 JB |
3952 | } |
3953 | ||
43234a1e L |
3954 | switch (i.tm.opcode_modifier.evex) |
3955 | { | |
3956 | case EVEXLIG: /* LL' is ignored */ | |
3957 | vec_length = evexlig << 5; | |
3958 | break; | |
3959 | case EVEX128: | |
3960 | vec_length = 0 << 5; | |
3961 | break; | |
3962 | case EVEX256: | |
3963 | vec_length = 1 << 5; | |
3964 | break; | |
3965 | case EVEX512: | |
3966 | vec_length = 2 << 5; | |
3967 | break; | |
3968 | default: | |
3969 | abort (); | |
3970 | break; | |
3971 | } | |
3972 | i.vex.bytes[3] |= vec_length; | |
3973 | /* Encode the broadcast bit. */ | |
3974 | if (i.broadcast) | |
3975 | i.vex.bytes[3] |= 0x10; | |
3976 | } | |
3977 | else | |
3978 | { | |
3979 | if (i.rounding->type != saeonly) | |
3980 | i.vex.bytes[3] |= 0x10 | (i.rounding->type << 5); | |
3981 | else | |
d3d3c6db | 3982 | i.vex.bytes[3] |= 0x10 | (evexrcig << 5); |
43234a1e L |
3983 | } |
3984 | ||
3985 | if (i.mask && i.mask->mask) | |
3986 | i.vex.bytes[3] |= i.mask->mask->reg_num; | |
3987 | } | |
3988 | ||
65da13b5 L |
3989 | static void |
3990 | process_immext (void) | |
3991 | { | |
3992 | expressionS *exp; | |
3993 | ||
c0f3af97 | 3994 | /* These AMD 3DNow! and SSE2 instructions have an opcode suffix |
65da13b5 L |
3995 | which is coded in the same place as an 8-bit immediate field |
3996 | would be. Here we fake an 8-bit immediate operand from the | |
3997 | opcode suffix stored in tm.extension_opcode. | |
3998 | ||
c1e679ec | 3999 | AVX instructions also use this encoding, for some of |
c0f3af97 | 4000 | 3 argument instructions. */ |
65da13b5 | 4001 | |
43234a1e | 4002 | gas_assert (i.imm_operands <= 1 |
7ab9ffdd | 4003 | && (i.operands <= 2 |
7a8655d2 | 4004 | || (is_any_vex_encoding (&i.tm) |
7ab9ffdd | 4005 | && i.operands <= 4))); |
65da13b5 L |
4006 | |
4007 | exp = &im_expressions[i.imm_operands++]; | |
4008 | i.op[i.operands].imms = exp; | |
4009 | i.types[i.operands] = imm8; | |
4010 | i.operands++; | |
4011 | exp->X_op = O_constant; | |
4012 | exp->X_add_number = i.tm.extension_opcode; | |
4013 | i.tm.extension_opcode = None; | |
4014 | } | |
4015 | ||
42164a71 L |
4016 | |
4017 | static int | |
4018 | check_hle (void) | |
4019 | { | |
4020 | switch (i.tm.opcode_modifier.hleprefixok) | |
4021 | { | |
4022 | default: | |
4023 | abort (); | |
82c2def5 | 4024 | case HLEPrefixNone: |
165de32a L |
4025 | as_bad (_("invalid instruction `%s' after `%s'"), |
4026 | i.tm.name, i.hle_prefix); | |
42164a71 | 4027 | return 0; |
82c2def5 | 4028 | case HLEPrefixLock: |
42164a71 L |
4029 | if (i.prefix[LOCK_PREFIX]) |
4030 | return 1; | |
165de32a | 4031 | as_bad (_("missing `lock' with `%s'"), i.hle_prefix); |
42164a71 | 4032 | return 0; |
82c2def5 | 4033 | case HLEPrefixAny: |
42164a71 | 4034 | return 1; |
82c2def5 | 4035 | case HLEPrefixRelease: |
42164a71 L |
4036 | if (i.prefix[HLE_PREFIX] != XRELEASE_PREFIX_OPCODE) |
4037 | { | |
4038 | as_bad (_("instruction `%s' after `xacquire' not allowed"), | |
4039 | i.tm.name); | |
4040 | return 0; | |
4041 | } | |
8dc0818e | 4042 | if (i.mem_operands == 0 || !(i.flags[i.operands - 1] & Operand_Mem)) |
42164a71 L |
4043 | { |
4044 | as_bad (_("memory destination needed for instruction `%s'" | |
4045 | " after `xrelease'"), i.tm.name); | |
4046 | return 0; | |
4047 | } | |
4048 | return 1; | |
4049 | } | |
4050 | } | |
4051 | ||
b6f8c7c4 L |
4052 | /* Try the shortest encoding by shortening operand size. */ |
4053 | ||
4054 | static void | |
4055 | optimize_encoding (void) | |
4056 | { | |
a0a1771e | 4057 | unsigned int j; |
b6f8c7c4 L |
4058 | |
4059 | if (optimize_for_space | |
72aea328 | 4060 | && !is_any_vex_encoding (&i.tm) |
b6f8c7c4 L |
4061 | && i.reg_operands == 1 |
4062 | && i.imm_operands == 1 | |
4063 | && !i.types[1].bitfield.byte | |
4064 | && i.op[0].imms->X_op == O_constant | |
4065 | && fits_in_imm7 (i.op[0].imms->X_add_number) | |
72aea328 | 4066 | && (i.tm.base_opcode == 0xa8 |
b6f8c7c4 L |
4067 | || (i.tm.base_opcode == 0xf6 |
4068 | && i.tm.extension_opcode == 0x0))) | |
4069 | { | |
4070 | /* Optimize: -Os: | |
4071 | test $imm7, %r64/%r32/%r16 -> test $imm7, %r8 | |
4072 | */ | |
4073 | unsigned int base_regnum = i.op[1].regs->reg_num; | |
4074 | if (flag_code == CODE_64BIT || base_regnum < 4) | |
4075 | { | |
4076 | i.types[1].bitfield.byte = 1; | |
4077 | /* Ignore the suffix. */ | |
4078 | i.suffix = 0; | |
7697afb6 JB |
4079 | /* Convert to byte registers. */ |
4080 | if (i.types[1].bitfield.word) | |
4081 | j = 16; | |
4082 | else if (i.types[1].bitfield.dword) | |
4083 | j = 32; | |
4084 | else | |
4085 | j = 48; | |
4086 | if (!(i.op[1].regs->reg_flags & RegRex) && base_regnum < 4) | |
4087 | j += 8; | |
4088 | i.op[1].regs -= j; | |
b6f8c7c4 L |
4089 | } |
4090 | } | |
4091 | else if (flag_code == CODE_64BIT | |
72aea328 | 4092 | && !is_any_vex_encoding (&i.tm) |
d3d50934 L |
4093 | && ((i.types[1].bitfield.qword |
4094 | && i.reg_operands == 1 | |
b6f8c7c4 L |
4095 | && i.imm_operands == 1 |
4096 | && i.op[0].imms->X_op == O_constant | |
507916b8 | 4097 | && ((i.tm.base_opcode == 0xb8 |
b6f8c7c4 L |
4098 | && i.tm.extension_opcode == None |
4099 | && fits_in_unsigned_long (i.op[0].imms->X_add_number)) | |
4100 | || (fits_in_imm31 (i.op[0].imms->X_add_number) | |
72aea328 JB |
4101 | && ((i.tm.base_opcode == 0x24 |
4102 | || i.tm.base_opcode == 0xa8) | |
b6f8c7c4 L |
4103 | || (i.tm.base_opcode == 0x80 |
4104 | && i.tm.extension_opcode == 0x4) | |
4105 | || ((i.tm.base_opcode == 0xf6 | |
507916b8 | 4106 | || (i.tm.base_opcode | 1) == 0xc7) |
b8364fa7 JB |
4107 | && i.tm.extension_opcode == 0x0))) |
4108 | || (fits_in_imm7 (i.op[0].imms->X_add_number) | |
4109 | && i.tm.base_opcode == 0x83 | |
4110 | && i.tm.extension_opcode == 0x4))) | |
d3d50934 L |
4111 | || (i.types[0].bitfield.qword |
4112 | && ((i.reg_operands == 2 | |
4113 | && i.op[0].regs == i.op[1].regs | |
72aea328 JB |
4114 | && (i.tm.base_opcode == 0x30 |
4115 | || i.tm.base_opcode == 0x28)) | |
d3d50934 L |
4116 | || (i.reg_operands == 1 |
4117 | && i.operands == 1 | |
72aea328 | 4118 | && i.tm.base_opcode == 0x30))))) |
b6f8c7c4 L |
4119 | { |
4120 | /* Optimize: -O: | |
4121 | andq $imm31, %r64 -> andl $imm31, %r32 | |
b8364fa7 | 4122 | andq $imm7, %r64 -> andl $imm7, %r32 |
b6f8c7c4 L |
4123 | testq $imm31, %r64 -> testl $imm31, %r32 |
4124 | xorq %r64, %r64 -> xorl %r32, %r32 | |
4125 | subq %r64, %r64 -> subl %r32, %r32 | |
4126 | movq $imm31, %r64 -> movl $imm31, %r32 | |
4127 | movq $imm32, %r64 -> movl $imm32, %r32 | |
4128 | */ | |
4129 | i.tm.opcode_modifier.norex64 = 1; | |
507916b8 | 4130 | if (i.tm.base_opcode == 0xb8 || (i.tm.base_opcode | 1) == 0xc7) |
b6f8c7c4 L |
4131 | { |
4132 | /* Handle | |
4133 | movq $imm31, %r64 -> movl $imm31, %r32 | |
4134 | movq $imm32, %r64 -> movl $imm32, %r32 | |
4135 | */ | |
4136 | i.tm.operand_types[0].bitfield.imm32 = 1; | |
4137 | i.tm.operand_types[0].bitfield.imm32s = 0; | |
4138 | i.tm.operand_types[0].bitfield.imm64 = 0; | |
4139 | i.types[0].bitfield.imm32 = 1; | |
4140 | i.types[0].bitfield.imm32s = 0; | |
4141 | i.types[0].bitfield.imm64 = 0; | |
4142 | i.types[1].bitfield.dword = 1; | |
4143 | i.types[1].bitfield.qword = 0; | |
507916b8 | 4144 | if ((i.tm.base_opcode | 1) == 0xc7) |
b6f8c7c4 L |
4145 | { |
4146 | /* Handle | |
4147 | movq $imm31, %r64 -> movl $imm31, %r32 | |
4148 | */ | |
507916b8 | 4149 | i.tm.base_opcode = 0xb8; |
b6f8c7c4 | 4150 | i.tm.extension_opcode = None; |
507916b8 | 4151 | i.tm.opcode_modifier.w = 0; |
b6f8c7c4 L |
4152 | i.tm.opcode_modifier.modrm = 0; |
4153 | } | |
4154 | } | |
4155 | } | |
5641ec01 JB |
4156 | else if (optimize > 1 |
4157 | && !optimize_for_space | |
72aea328 | 4158 | && !is_any_vex_encoding (&i.tm) |
5641ec01 JB |
4159 | && i.reg_operands == 2 |
4160 | && i.op[0].regs == i.op[1].regs | |
4161 | && ((i.tm.base_opcode & ~(Opcode_D | 1)) == 0x8 | |
4162 | || (i.tm.base_opcode & ~(Opcode_D | 1)) == 0x20) | |
4163 | && (flag_code != CODE_64BIT || !i.types[0].bitfield.dword)) | |
4164 | { | |
4165 | /* Optimize: -O2: | |
4166 | andb %rN, %rN -> testb %rN, %rN | |
4167 | andw %rN, %rN -> testw %rN, %rN | |
4168 | andq %rN, %rN -> testq %rN, %rN | |
4169 | orb %rN, %rN -> testb %rN, %rN | |
4170 | orw %rN, %rN -> testw %rN, %rN | |
4171 | orq %rN, %rN -> testq %rN, %rN | |
4172 | ||
4173 | and outside of 64-bit mode | |
4174 | ||
4175 | andl %rN, %rN -> testl %rN, %rN | |
4176 | orl %rN, %rN -> testl %rN, %rN | |
4177 | */ | |
4178 | i.tm.base_opcode = 0x84 | (i.tm.base_opcode & 1); | |
4179 | } | |
99112332 | 4180 | else if (i.reg_operands == 3 |
b6f8c7c4 L |
4181 | && i.op[0].regs == i.op[1].regs |
4182 | && !i.types[2].bitfield.xmmword | |
4183 | && (i.tm.opcode_modifier.vex | |
7a69eac3 | 4184 | || ((!i.mask || i.mask->zeroing) |
b6f8c7c4 | 4185 | && !i.rounding |
e771e7c9 | 4186 | && is_evex_encoding (&i.tm) |
80c34c38 | 4187 | && (i.vec_encoding != vex_encoding_evex |
dd22218c | 4188 | || cpu_arch_isa_flags.bitfield.cpuavx512vl |
80c34c38 | 4189 | || i.tm.cpu_flags.bitfield.cpuavx512vl |
7091c612 | 4190 | || (i.tm.operand_types[2].bitfield.zmmword |
dd22218c | 4191 | && i.types[2].bitfield.ymmword)))) |
b6f8c7c4 L |
4192 | && ((i.tm.base_opcode == 0x55 |
4193 | || i.tm.base_opcode == 0x6655 | |
4194 | || i.tm.base_opcode == 0x66df | |
4195 | || i.tm.base_opcode == 0x57 | |
4196 | || i.tm.base_opcode == 0x6657 | |
8305403a L |
4197 | || i.tm.base_opcode == 0x66ef |
4198 | || i.tm.base_opcode == 0x66f8 | |
4199 | || i.tm.base_opcode == 0x66f9 | |
4200 | || i.tm.base_opcode == 0x66fa | |
1424ad86 JB |
4201 | || i.tm.base_opcode == 0x66fb |
4202 | || i.tm.base_opcode == 0x42 | |
4203 | || i.tm.base_opcode == 0x6642 | |
4204 | || i.tm.base_opcode == 0x47 | |
4205 | || i.tm.base_opcode == 0x6647) | |
b6f8c7c4 L |
4206 | && i.tm.extension_opcode == None)) |
4207 | { | |
99112332 | 4208 | /* Optimize: -O1: |
8305403a L |
4209 | VOP, one of vandnps, vandnpd, vxorps, vxorpd, vpsubb, vpsubd, |
4210 | vpsubq and vpsubw: | |
b6f8c7c4 L |
4211 | EVEX VOP %zmmM, %zmmM, %zmmN |
4212 | -> VEX VOP %xmmM, %xmmM, %xmmN (M and N < 16) | |
99112332 | 4213 | -> EVEX VOP %xmmM, %xmmM, %xmmN (M || N >= 16) (-O2) |
b6f8c7c4 L |
4214 | EVEX VOP %ymmM, %ymmM, %ymmN |
4215 | -> VEX VOP %xmmM, %xmmM, %xmmN (M and N < 16) | |
99112332 | 4216 | -> EVEX VOP %xmmM, %xmmM, %xmmN (M || N >= 16) (-O2) |
b6f8c7c4 L |
4217 | VEX VOP %ymmM, %ymmM, %ymmN |
4218 | -> VEX VOP %xmmM, %xmmM, %xmmN | |
4219 | VOP, one of vpandn and vpxor: | |
4220 | VEX VOP %ymmM, %ymmM, %ymmN | |
4221 | -> VEX VOP %xmmM, %xmmM, %xmmN | |
4222 | VOP, one of vpandnd and vpandnq: | |
4223 | EVEX VOP %zmmM, %zmmM, %zmmN | |
4224 | -> VEX vpandn %xmmM, %xmmM, %xmmN (M and N < 16) | |
99112332 | 4225 | -> EVEX VOP %xmmM, %xmmM, %xmmN (M || N >= 16) (-O2) |
b6f8c7c4 L |
4226 | EVEX VOP %ymmM, %ymmM, %ymmN |
4227 | -> VEX vpandn %xmmM, %xmmM, %xmmN (M and N < 16) | |
99112332 | 4228 | -> EVEX VOP %xmmM, %xmmM, %xmmN (M || N >= 16) (-O2) |
b6f8c7c4 L |
4229 | VOP, one of vpxord and vpxorq: |
4230 | EVEX VOP %zmmM, %zmmM, %zmmN | |
4231 | -> VEX vpxor %xmmM, %xmmM, %xmmN (M and N < 16) | |
99112332 | 4232 | -> EVEX VOP %xmmM, %xmmM, %xmmN (M || N >= 16) (-O2) |
b6f8c7c4 L |
4233 | EVEX VOP %ymmM, %ymmM, %ymmN |
4234 | -> VEX vpxor %xmmM, %xmmM, %xmmN (M and N < 16) | |
99112332 | 4235 | -> EVEX VOP %xmmM, %xmmM, %xmmN (M || N >= 16) (-O2) |
1424ad86 JB |
4236 | VOP, one of kxord and kxorq: |
4237 | VEX VOP %kM, %kM, %kN | |
4238 | -> VEX kxorw %kM, %kM, %kN | |
4239 | VOP, one of kandnd and kandnq: | |
4240 | VEX VOP %kM, %kM, %kN | |
4241 | -> VEX kandnw %kM, %kM, %kN | |
b6f8c7c4 | 4242 | */ |
e771e7c9 | 4243 | if (is_evex_encoding (&i.tm)) |
b6f8c7c4 | 4244 | { |
7b1d7ca1 | 4245 | if (i.vec_encoding != vex_encoding_evex) |
b6f8c7c4 L |
4246 | { |
4247 | i.tm.opcode_modifier.vex = VEX128; | |
4248 | i.tm.opcode_modifier.vexw = VEXW0; | |
4249 | i.tm.opcode_modifier.evex = 0; | |
4250 | } | |
7b1d7ca1 | 4251 | else if (optimize > 1) |
dd22218c L |
4252 | i.tm.opcode_modifier.evex = EVEX128; |
4253 | else | |
4254 | return; | |
b6f8c7c4 | 4255 | } |
f74a6307 | 4256 | else if (i.tm.operand_types[0].bitfield.class == RegMask) |
1424ad86 JB |
4257 | { |
4258 | i.tm.base_opcode &= 0xff; | |
4259 | i.tm.opcode_modifier.vexw = VEXW0; | |
4260 | } | |
b6f8c7c4 L |
4261 | else |
4262 | i.tm.opcode_modifier.vex = VEX128; | |
4263 | ||
4264 | if (i.tm.opcode_modifier.vex) | |
4265 | for (j = 0; j < 3; j++) | |
4266 | { | |
4267 | i.types[j].bitfield.xmmword = 1; | |
4268 | i.types[j].bitfield.ymmword = 0; | |
4269 | } | |
4270 | } | |
392a5972 | 4271 | else if (i.vec_encoding != vex_encoding_evex |
97ed31ae | 4272 | && !i.types[0].bitfield.zmmword |
392a5972 | 4273 | && !i.types[1].bitfield.zmmword |
97ed31ae | 4274 | && !i.mask |
a0a1771e | 4275 | && !i.broadcast |
97ed31ae | 4276 | && is_evex_encoding (&i.tm) |
392a5972 L |
4277 | && ((i.tm.base_opcode & ~Opcode_SIMD_IntD) == 0x666f |
4278 | || (i.tm.base_opcode & ~Opcode_SIMD_IntD) == 0xf36f | |
a0a1771e JB |
4279 | || (i.tm.base_opcode & ~Opcode_SIMD_IntD) == 0xf26f |
4280 | || (i.tm.base_opcode & ~4) == 0x66db | |
4281 | || (i.tm.base_opcode & ~4) == 0x66eb) | |
97ed31ae L |
4282 | && i.tm.extension_opcode == None) |
4283 | { | |
4284 | /* Optimize: -O1: | |
4285 | VOP, one of vmovdqa32, vmovdqa64, vmovdqu8, vmovdqu16, | |
4286 | vmovdqu32 and vmovdqu64: | |
4287 | EVEX VOP %xmmM, %xmmN | |
4288 | -> VEX vmovdqa|vmovdqu %xmmM, %xmmN (M and N < 16) | |
4289 | EVEX VOP %ymmM, %ymmN | |
4290 | -> VEX vmovdqa|vmovdqu %ymmM, %ymmN (M and N < 16) | |
4291 | EVEX VOP %xmmM, mem | |
4292 | -> VEX vmovdqa|vmovdqu %xmmM, mem (M < 16) | |
4293 | EVEX VOP %ymmM, mem | |
4294 | -> VEX vmovdqa|vmovdqu %ymmM, mem (M < 16) | |
4295 | EVEX VOP mem, %xmmN | |
4296 | -> VEX mvmovdqa|vmovdquem, %xmmN (N < 16) | |
4297 | EVEX VOP mem, %ymmN | |
4298 | -> VEX vmovdqa|vmovdqu mem, %ymmN (N < 16) | |
a0a1771e JB |
4299 | VOP, one of vpand, vpandn, vpor, vpxor: |
4300 | EVEX VOP{d,q} %xmmL, %xmmM, %xmmN | |
4301 | -> VEX VOP %xmmL, %xmmM, %xmmN (L, M, and N < 16) | |
4302 | EVEX VOP{d,q} %ymmL, %ymmM, %ymmN | |
4303 | -> VEX VOP %ymmL, %ymmM, %ymmN (L, M, and N < 16) | |
4304 | EVEX VOP{d,q} mem, %xmmM, %xmmN | |
4305 | -> VEX VOP mem, %xmmM, %xmmN (M and N < 16) | |
4306 | EVEX VOP{d,q} mem, %ymmM, %ymmN | |
4307 | -> VEX VOP mem, %ymmM, %ymmN (M and N < 16) | |
97ed31ae | 4308 | */ |
a0a1771e | 4309 | for (j = 0; j < i.operands; j++) |
392a5972 L |
4310 | if (operand_type_check (i.types[j], disp) |
4311 | && i.op[j].disps->X_op == O_constant) | |
4312 | { | |
4313 | /* Since the VEX prefix has 2 or 3 bytes, the EVEX prefix | |
4314 | has 4 bytes, EVEX Disp8 has 1 byte and VEX Disp32 has 4 | |
4315 | bytes, we choose EVEX Disp8 over VEX Disp32. */ | |
4316 | int evex_disp8, vex_disp8; | |
4317 | unsigned int memshift = i.memshift; | |
4318 | offsetT n = i.op[j].disps->X_add_number; | |
4319 | ||
4320 | evex_disp8 = fits_in_disp8 (n); | |
4321 | i.memshift = 0; | |
4322 | vex_disp8 = fits_in_disp8 (n); | |
4323 | if (evex_disp8 != vex_disp8) | |
4324 | { | |
4325 | i.memshift = memshift; | |
4326 | return; | |
4327 | } | |
4328 | ||
4329 | i.types[j].bitfield.disp8 = vex_disp8; | |
4330 | break; | |
4331 | } | |
4332 | if ((i.tm.base_opcode & ~Opcode_SIMD_IntD) == 0xf26f) | |
4333 | i.tm.base_opcode ^= 0xf36f ^ 0xf26f; | |
97ed31ae L |
4334 | i.tm.opcode_modifier.vex |
4335 | = i.types[0].bitfield.ymmword ? VEX256 : VEX128; | |
4336 | i.tm.opcode_modifier.vexw = VEXW0; | |
79dec6b7 JB |
4337 | /* VPAND, VPOR, and VPXOR are commutative. */ |
4338 | if (i.reg_operands == 3 && i.tm.base_opcode != 0x66df) | |
4339 | i.tm.opcode_modifier.commutative = 1; | |
97ed31ae L |
4340 | i.tm.opcode_modifier.evex = 0; |
4341 | i.tm.opcode_modifier.masking = 0; | |
a0a1771e | 4342 | i.tm.opcode_modifier.broadcast = 0; |
97ed31ae L |
4343 | i.tm.opcode_modifier.disp8memshift = 0; |
4344 | i.memshift = 0; | |
a0a1771e JB |
4345 | if (j < i.operands) |
4346 | i.types[j].bitfield.disp8 | |
4347 | = fits_in_disp8 (i.op[j].disps->X_add_number); | |
97ed31ae | 4348 | } |
b6f8c7c4 L |
4349 | } |
4350 | ||
ae531041 L |
4351 | /* Return non-zero for load instruction. */ |
4352 | ||
4353 | static int | |
4354 | load_insn_p (void) | |
4355 | { | |
4356 | unsigned int dest; | |
4357 | int any_vex_p = is_any_vex_encoding (&i.tm); | |
4358 | unsigned int base_opcode = i.tm.base_opcode | 1; | |
4359 | ||
4360 | if (!any_vex_p) | |
4361 | { | |
a09f656b | 4362 | /* Anysize insns: lea, invlpg, clflush, prefetchnta, prefetcht0, |
4363 | prefetcht1, prefetcht2, prefetchtw, bndmk, bndcl, bndcu, bndcn, | |
4364 | bndstx, bndldx, prefetchwt1, clflushopt, clwb, cldemote. */ | |
4365 | if (i.tm.opcode_modifier.anysize) | |
ae531041 L |
4366 | return 0; |
4367 | ||
a09f656b | 4368 | /* pop, popf, popa. */ |
4369 | if (strcmp (i.tm.name, "pop") == 0 | |
4370 | || i.tm.base_opcode == 0x9d | |
4371 | || i.tm.base_opcode == 0x61) | |
ae531041 L |
4372 | return 1; |
4373 | ||
4374 | /* movs, cmps, lods, scas. */ | |
4375 | if ((i.tm.base_opcode | 0xb) == 0xaf) | |
4376 | return 1; | |
4377 | ||
a09f656b | 4378 | /* outs, xlatb. */ |
4379 | if (base_opcode == 0x6f | |
4380 | || i.tm.base_opcode == 0xd7) | |
ae531041 | 4381 | return 1; |
a09f656b | 4382 | /* NB: For AMD-specific insns with implicit memory operands, |
4383 | they're intentionally not covered. */ | |
ae531041 L |
4384 | } |
4385 | ||
4386 | /* No memory operand. */ | |
4387 | if (!i.mem_operands) | |
4388 | return 0; | |
4389 | ||
4390 | if (any_vex_p) | |
4391 | { | |
4392 | /* vldmxcsr. */ | |
4393 | if (i.tm.base_opcode == 0xae | |
4394 | && i.tm.opcode_modifier.vex | |
4395 | && i.tm.opcode_modifier.vexopcode == VEX0F | |
4396 | && i.tm.extension_opcode == 2) | |
4397 | return 1; | |
4398 | } | |
4399 | else | |
4400 | { | |
4401 | /* test, not, neg, mul, imul, div, idiv. */ | |
4402 | if ((i.tm.base_opcode == 0xf6 || i.tm.base_opcode == 0xf7) | |
4403 | && i.tm.extension_opcode != 1) | |
4404 | return 1; | |
4405 | ||
4406 | /* inc, dec. */ | |
4407 | if (base_opcode == 0xff && i.tm.extension_opcode <= 1) | |
4408 | return 1; | |
4409 | ||
4410 | /* add, or, adc, sbb, and, sub, xor, cmp. */ | |
4411 | if (i.tm.base_opcode >= 0x80 && i.tm.base_opcode <= 0x83) | |
4412 | return 1; | |
4413 | ||
4414 | /* bt, bts, btr, btc. */ | |
4415 | if (i.tm.base_opcode == 0xfba | |
4416 | && (i.tm.extension_opcode >= 4 && i.tm.extension_opcode <= 7)) | |
4417 | return 1; | |
4418 | ||
4419 | /* rol, ror, rcl, rcr, shl/sal, shr, sar. */ | |
4420 | if ((base_opcode == 0xc1 | |
4421 | || (i.tm.base_opcode >= 0xd0 && i.tm.base_opcode <= 0xd3)) | |
4422 | && i.tm.extension_opcode != 6) | |
4423 | return 1; | |
4424 | ||
4425 | /* cmpxchg8b, cmpxchg16b, xrstors. */ | |
4426 | if (i.tm.base_opcode == 0xfc7 | |
4427 | && (i.tm.extension_opcode == 1 || i.tm.extension_opcode == 3)) | |
4428 | return 1; | |
4429 | ||
4430 | /* fxrstor, ldmxcsr, xrstor. */ | |
4431 | if (i.tm.base_opcode == 0xfae | |
4432 | && (i.tm.extension_opcode == 1 | |
4433 | || i.tm.extension_opcode == 2 | |
4434 | || i.tm.extension_opcode == 5)) | |
4435 | return 1; | |
4436 | ||
4437 | /* lgdt, lidt, lmsw. */ | |
4438 | if (i.tm.base_opcode == 0xf01 | |
4439 | && (i.tm.extension_opcode == 2 | |
4440 | || i.tm.extension_opcode == 3 | |
4441 | || i.tm.extension_opcode == 6)) | |
4442 | return 1; | |
4443 | ||
4444 | /* vmptrld */ | |
4445 | if (i.tm.base_opcode == 0xfc7 | |
4446 | && i.tm.extension_opcode == 6) | |
4447 | return 1; | |
4448 | ||
4449 | /* Check for x87 instructions. */ | |
4450 | if (i.tm.base_opcode >= 0xd8 && i.tm.base_opcode <= 0xdf) | |
4451 | { | |
4452 | /* Skip fst, fstp, fstenv, fstcw. */ | |
4453 | if (i.tm.base_opcode == 0xd9 | |
4454 | && (i.tm.extension_opcode == 2 | |
4455 | || i.tm.extension_opcode == 3 | |
4456 | || i.tm.extension_opcode == 6 | |
4457 | || i.tm.extension_opcode == 7)) | |
4458 | return 0; | |
4459 | ||
4460 | /* Skip fisttp, fist, fistp, fstp. */ | |
4461 | if (i.tm.base_opcode == 0xdb | |
4462 | && (i.tm.extension_opcode == 1 | |
4463 | || i.tm.extension_opcode == 2 | |
4464 | || i.tm.extension_opcode == 3 | |
4465 | || i.tm.extension_opcode == 7)) | |
4466 | return 0; | |
4467 | ||
4468 | /* Skip fisttp, fst, fstp, fsave, fstsw. */ | |
4469 | if (i.tm.base_opcode == 0xdd | |
4470 | && (i.tm.extension_opcode == 1 | |
4471 | || i.tm.extension_opcode == 2 | |
4472 | || i.tm.extension_opcode == 3 | |
4473 | || i.tm.extension_opcode == 6 | |
4474 | || i.tm.extension_opcode == 7)) | |
4475 | return 0; | |
4476 | ||
4477 | /* Skip fisttp, fist, fistp, fbstp, fistp. */ | |
4478 | if (i.tm.base_opcode == 0xdf | |
4479 | && (i.tm.extension_opcode == 1 | |
4480 | || i.tm.extension_opcode == 2 | |
4481 | || i.tm.extension_opcode == 3 | |
4482 | || i.tm.extension_opcode == 6 | |
4483 | || i.tm.extension_opcode == 7)) | |
4484 | return 0; | |
4485 | ||
4486 | return 1; | |
4487 | } | |
4488 | } | |
4489 | ||
4490 | dest = i.operands - 1; | |
4491 | ||
4492 | /* Check fake imm8 operand and 3 source operands. */ | |
4493 | if ((i.tm.opcode_modifier.immext | |
4494 | || i.tm.opcode_modifier.vexsources == VEX3SOURCES) | |
4495 | && i.types[dest].bitfield.imm8) | |
4496 | dest--; | |
4497 | ||
4498 | /* add, or, adc, sbb, and, sub, xor, cmp, test, xchg, xadd */ | |
4499 | if (!any_vex_p | |
4500 | && (base_opcode == 0x1 | |
4501 | || base_opcode == 0x9 | |
4502 | || base_opcode == 0x11 | |
4503 | || base_opcode == 0x19 | |
4504 | || base_opcode == 0x21 | |
4505 | || base_opcode == 0x29 | |
4506 | || base_opcode == 0x31 | |
4507 | || base_opcode == 0x39 | |
4508 | || (i.tm.base_opcode >= 0x84 && i.tm.base_opcode <= 0x87) | |
4509 | || base_opcode == 0xfc1)) | |
4510 | return 1; | |
4511 | ||
4512 | /* Check for load instruction. */ | |
4513 | return (i.types[dest].bitfield.class != ClassNone | |
4514 | || i.types[dest].bitfield.instance == Accum); | |
4515 | } | |
4516 | ||
4517 | /* Output lfence, 0xfaee8, after instruction. */ | |
4518 | ||
4519 | static void | |
4520 | insert_lfence_after (void) | |
4521 | { | |
4522 | if (lfence_after_load && load_insn_p ()) | |
4523 | { | |
a09f656b | 4524 | /* There are also two REP string instructions that require |
4525 | special treatment. Specifically, the compare string (CMPS) | |
4526 | and scan string (SCAS) instructions set EFLAGS in a manner | |
4527 | that depends on the data being compared/scanned. When used | |
4528 | with a REP prefix, the number of iterations may therefore | |
4529 | vary depending on this data. If the data is a program secret | |
4530 | chosen by the adversary using an LVI method, | |
4531 | then this data-dependent behavior may leak some aspect | |
4532 | of the secret. */ | |
4533 | if (((i.tm.base_opcode | 0x1) == 0xa7 | |
4534 | || (i.tm.base_opcode | 0x1) == 0xaf) | |
4535 | && i.prefix[REP_PREFIX]) | |
4536 | { | |
4537 | as_warn (_("`%s` changes flags which would affect control flow behavior"), | |
4538 | i.tm.name); | |
4539 | } | |
ae531041 L |
4540 | char *p = frag_more (3); |
4541 | *p++ = 0xf; | |
4542 | *p++ = 0xae; | |
4543 | *p = 0xe8; | |
4544 | } | |
4545 | } | |
4546 | ||
4547 | /* Output lfence, 0xfaee8, before instruction. */ | |
4548 | ||
4549 | static void | |
4550 | insert_lfence_before (void) | |
4551 | { | |
4552 | char *p; | |
4553 | ||
4554 | if (is_any_vex_encoding (&i.tm)) | |
4555 | return; | |
4556 | ||
4557 | if (i.tm.base_opcode == 0xff | |
4558 | && (i.tm.extension_opcode == 2 || i.tm.extension_opcode == 4)) | |
4559 | { | |
4560 | /* Insert lfence before indirect branch if needed. */ | |
4561 | ||
4562 | if (lfence_before_indirect_branch == lfence_branch_none) | |
4563 | return; | |
4564 | ||
4565 | if (i.operands != 1) | |
4566 | abort (); | |
4567 | ||
4568 | if (i.reg_operands == 1) | |
4569 | { | |
4570 | /* Indirect branch via register. Don't insert lfence with | |
4571 | -mlfence-after-load=yes. */ | |
4572 | if (lfence_after_load | |
4573 | || lfence_before_indirect_branch == lfence_branch_memory) | |
4574 | return; | |
4575 | } | |
4576 | else if (i.mem_operands == 1 | |
4577 | && lfence_before_indirect_branch != lfence_branch_register) | |
4578 | { | |
4579 | as_warn (_("indirect `%s` with memory operand should be avoided"), | |
4580 | i.tm.name); | |
4581 | return; | |
4582 | } | |
4583 | else | |
4584 | return; | |
4585 | ||
4586 | if (last_insn.kind != last_insn_other | |
4587 | && last_insn.seg == now_seg) | |
4588 | { | |
4589 | as_warn_where (last_insn.file, last_insn.line, | |
4590 | _("`%s` skips -mlfence-before-indirect-branch on `%s`"), | |
4591 | last_insn.name, i.tm.name); | |
4592 | return; | |
4593 | } | |
4594 | ||
4595 | p = frag_more (3); | |
4596 | *p++ = 0xf; | |
4597 | *p++ = 0xae; | |
4598 | *p = 0xe8; | |
4599 | return; | |
4600 | } | |
4601 | ||
503648e4 | 4602 | /* Output or/not/shl and lfence before near ret. */ |
ae531041 L |
4603 | if (lfence_before_ret != lfence_before_ret_none |
4604 | && (i.tm.base_opcode == 0xc2 | |
503648e4 | 4605 | || i.tm.base_opcode == 0xc3)) |
ae531041 L |
4606 | { |
4607 | if (last_insn.kind != last_insn_other | |
4608 | && last_insn.seg == now_seg) | |
4609 | { | |
4610 | as_warn_where (last_insn.file, last_insn.line, | |
4611 | _("`%s` skips -mlfence-before-ret on `%s`"), | |
4612 | last_insn.name, i.tm.name); | |
4613 | return; | |
4614 | } | |
a09f656b | 4615 | |
a09f656b | 4616 | /* Near ret ingore operand size override under CPU64. */ |
503648e4 | 4617 | char prefix = flag_code == CODE_64BIT |
4618 | ? 0x48 | |
4619 | : i.prefix[DATA_PREFIX] ? 0x66 : 0x0; | |
a09f656b | 4620 | |
4621 | if (lfence_before_ret == lfence_before_ret_not) | |
4622 | { | |
4623 | /* not: 0xf71424, may add prefix | |
4624 | for operand size override or 64-bit code. */ | |
4625 | p = frag_more ((prefix ? 2 : 0) + 6 + 3); | |
4626 | if (prefix) | |
4627 | *p++ = prefix; | |
ae531041 L |
4628 | *p++ = 0xf7; |
4629 | *p++ = 0x14; | |
4630 | *p++ = 0x24; | |
a09f656b | 4631 | if (prefix) |
4632 | *p++ = prefix; | |
ae531041 L |
4633 | *p++ = 0xf7; |
4634 | *p++ = 0x14; | |
4635 | *p++ = 0x24; | |
4636 | } | |
a09f656b | 4637 | else |
4638 | { | |
4639 | p = frag_more ((prefix ? 1 : 0) + 4 + 3); | |
4640 | if (prefix) | |
4641 | *p++ = prefix; | |
4642 | if (lfence_before_ret == lfence_before_ret_or) | |
4643 | { | |
4644 | /* or: 0x830c2400, may add prefix | |
4645 | for operand size override or 64-bit code. */ | |
4646 | *p++ = 0x83; | |
4647 | *p++ = 0x0c; | |
4648 | } | |
4649 | else | |
4650 | { | |
4651 | /* shl: 0xc1242400, may add prefix | |
4652 | for operand size override or 64-bit code. */ | |
4653 | *p++ = 0xc1; | |
4654 | *p++ = 0x24; | |
4655 | } | |
4656 | ||
4657 | *p++ = 0x24; | |
4658 | *p++ = 0x0; | |
4659 | } | |
4660 | ||
ae531041 L |
4661 | *p++ = 0xf; |
4662 | *p++ = 0xae; | |
4663 | *p = 0xe8; | |
4664 | } | |
4665 | } | |
4666 | ||
252b5132 RH |
4667 | /* This is the guts of the machine-dependent assembler. LINE points to a |
4668 | machine dependent instruction. This function is supposed to emit | |
4669 | the frags/bytes it assembles to. */ | |
4670 | ||
4671 | void | |
65da13b5 | 4672 | md_assemble (char *line) |
252b5132 | 4673 | { |
40fb9820 | 4674 | unsigned int j; |
83b16ac6 | 4675 | char mnemonic[MAX_MNEM_SIZE], mnem_suffix; |
d3ce72d0 | 4676 | const insn_template *t; |
252b5132 | 4677 | |
47926f60 | 4678 | /* Initialize globals. */ |
252b5132 RH |
4679 | memset (&i, '\0', sizeof (i)); |
4680 | for (j = 0; j < MAX_OPERANDS; j++) | |
1ae12ab7 | 4681 | i.reloc[j] = NO_RELOC; |
252b5132 RH |
4682 | memset (disp_expressions, '\0', sizeof (disp_expressions)); |
4683 | memset (im_expressions, '\0', sizeof (im_expressions)); | |
ce8a8b2f | 4684 | save_stack_p = save_stack; |
252b5132 RH |
4685 | |
4686 | /* First parse an instruction mnemonic & call i386_operand for the operands. | |
4687 | We assume that the scrubber has arranged it so that line[0] is the valid | |
47926f60 | 4688 | start of a (possibly prefixed) mnemonic. */ |
252b5132 | 4689 | |
29b0f896 AM |
4690 | line = parse_insn (line, mnemonic); |
4691 | if (line == NULL) | |
4692 | return; | |
83b16ac6 | 4693 | mnem_suffix = i.suffix; |
252b5132 | 4694 | |
29b0f896 | 4695 | line = parse_operands (line, mnemonic); |
ee86248c | 4696 | this_operand = -1; |
8325cc63 JB |
4697 | xfree (i.memop1_string); |
4698 | i.memop1_string = NULL; | |
29b0f896 AM |
4699 | if (line == NULL) |
4700 | return; | |
252b5132 | 4701 | |
29b0f896 AM |
4702 | /* Now we've parsed the mnemonic into a set of templates, and have the |
4703 | operands at hand. */ | |
4704 | ||
b630c145 JB |
4705 | /* All Intel opcodes have reversed operands except for "bound", "enter", |
4706 | "monitor*", "mwait*", "tpause", and "umwait". We also don't reverse | |
4707 | intersegment "jmp" and "call" instructions with 2 immediate operands so | |
4708 | that the immediate segment precedes the offset, as it does when in AT&T | |
4709 | mode. */ | |
4d456e3d L |
4710 | if (intel_syntax |
4711 | && i.operands > 1 | |
29b0f896 | 4712 | && (strcmp (mnemonic, "bound") != 0) |
30123838 | 4713 | && (strcmp (mnemonic, "invlpga") != 0) |
eedb0f2c JB |
4714 | && (strncmp (mnemonic, "monitor", 7) != 0) |
4715 | && (strncmp (mnemonic, "mwait", 5) != 0) | |
b630c145 JB |
4716 | && (strcmp (mnemonic, "tpause") != 0) |
4717 | && (strcmp (mnemonic, "umwait") != 0) | |
40fb9820 L |
4718 | && !(operand_type_check (i.types[0], imm) |
4719 | && operand_type_check (i.types[1], imm))) | |
29b0f896 AM |
4720 | swap_operands (); |
4721 | ||
ec56d5c0 JB |
4722 | /* The order of the immediates should be reversed |
4723 | for 2 immediates extrq and insertq instructions */ | |
4724 | if (i.imm_operands == 2 | |
4725 | && (strcmp (mnemonic, "extrq") == 0 | |
4726 | || strcmp (mnemonic, "insertq") == 0)) | |
4727 | swap_2_operands (0, 1); | |
4728 | ||
29b0f896 AM |
4729 | if (i.imm_operands) |
4730 | optimize_imm (); | |
4731 | ||
b300c311 L |
4732 | /* Don't optimize displacement for movabs since it only takes 64bit |
4733 | displacement. */ | |
4734 | if (i.disp_operands | |
a501d77e | 4735 | && i.disp_encoding != disp_encoding_32bit |
862be3fb L |
4736 | && (flag_code != CODE_64BIT |
4737 | || strcmp (mnemonic, "movabs") != 0)) | |
4738 | optimize_disp (); | |
29b0f896 AM |
4739 | |
4740 | /* Next, we find a template that matches the given insn, | |
4741 | making sure the overlap of the given operands types is consistent | |
4742 | with the template operand types. */ | |
252b5132 | 4743 | |
83b16ac6 | 4744 | if (!(t = match_template (mnem_suffix))) |
29b0f896 | 4745 | return; |
252b5132 | 4746 | |
7bab8ab5 | 4747 | if (sse_check != check_none |
81f8a913 | 4748 | && !i.tm.opcode_modifier.noavx |
6e3e5c9e | 4749 | && !i.tm.cpu_flags.bitfield.cpuavx |
569d50f1 | 4750 | && !i.tm.cpu_flags.bitfield.cpuavx512f |
daf50ae7 L |
4751 | && (i.tm.cpu_flags.bitfield.cpusse |
4752 | || i.tm.cpu_flags.bitfield.cpusse2 | |
4753 | || i.tm.cpu_flags.bitfield.cpusse3 | |
4754 | || i.tm.cpu_flags.bitfield.cpussse3 | |
4755 | || i.tm.cpu_flags.bitfield.cpusse4_1 | |
6e3e5c9e JB |
4756 | || i.tm.cpu_flags.bitfield.cpusse4_2 |
4757 | || i.tm.cpu_flags.bitfield.cpupclmul | |
4758 | || i.tm.cpu_flags.bitfield.cpuaes | |
569d50f1 | 4759 | || i.tm.cpu_flags.bitfield.cpusha |
6e3e5c9e | 4760 | || i.tm.cpu_flags.bitfield.cpugfni)) |
daf50ae7 | 4761 | { |
7bab8ab5 | 4762 | (sse_check == check_warning |
daf50ae7 L |
4763 | ? as_warn |
4764 | : as_bad) (_("SSE instruction `%s' is used"), i.tm.name); | |
4765 | } | |
4766 | ||
40fb9820 | 4767 | if (i.tm.opcode_modifier.fwait) |
29b0f896 AM |
4768 | if (!add_prefix (FWAIT_OPCODE)) |
4769 | return; | |
252b5132 | 4770 | |
d5de92cf L |
4771 | /* Check if REP prefix is OK. */ |
4772 | if (i.rep_prefix && !i.tm.opcode_modifier.repprefixok) | |
4773 | { | |
4774 | as_bad (_("invalid instruction `%s' after `%s'"), | |
4775 | i.tm.name, i.rep_prefix); | |
4776 | return; | |
4777 | } | |
4778 | ||
c1ba0266 L |
4779 | /* Check for lock without a lockable instruction. Destination operand |
4780 | must be memory unless it is xchg (0x86). */ | |
c32fa91d L |
4781 | if (i.prefix[LOCK_PREFIX] |
4782 | && (!i.tm.opcode_modifier.islockable | |
c1ba0266 L |
4783 | || i.mem_operands == 0 |
4784 | || (i.tm.base_opcode != 0x86 | |
8dc0818e | 4785 | && !(i.flags[i.operands - 1] & Operand_Mem)))) |
c32fa91d L |
4786 | { |
4787 | as_bad (_("expecting lockable instruction after `lock'")); | |
4788 | return; | |
4789 | } | |
4790 | ||
40d231b4 JB |
4791 | /* Check for data size prefix on VEX/XOP/EVEX encoded and SIMD insns. */ |
4792 | if (i.prefix[DATA_PREFIX] | |
4793 | && (is_any_vex_encoding (&i.tm) | |
4794 | || i.tm.operand_types[i.imm_operands].bitfield.class >= RegMMX | |
4795 | || i.tm.operand_types[i.imm_operands + 1].bitfield.class >= RegMMX)) | |
7a8655d2 JB |
4796 | { |
4797 | as_bad (_("data size prefix invalid with `%s'"), i.tm.name); | |
4798 | return; | |
4799 | } | |
4800 | ||
42164a71 | 4801 | /* Check if HLE prefix is OK. */ |
165de32a | 4802 | if (i.hle_prefix && !check_hle ()) |
42164a71 L |
4803 | return; |
4804 | ||
7e8b059b L |
4805 | /* Check BND prefix. */ |
4806 | if (i.bnd_prefix && !i.tm.opcode_modifier.bndprefixok) | |
4807 | as_bad (_("expecting valid branch instruction after `bnd'")); | |
4808 | ||
04ef582a | 4809 | /* Check NOTRACK prefix. */ |
9fef80d6 L |
4810 | if (i.notrack_prefix && !i.tm.opcode_modifier.notrackprefixok) |
4811 | as_bad (_("expecting indirect branch instruction after `notrack'")); | |
04ef582a | 4812 | |
327e8c42 JB |
4813 | if (i.tm.cpu_flags.bitfield.cpumpx) |
4814 | { | |
4815 | if (flag_code == CODE_64BIT && i.prefix[ADDR_PREFIX]) | |
4816 | as_bad (_("32-bit address isn't allowed in 64-bit MPX instructions.")); | |
4817 | else if (flag_code != CODE_16BIT | |
4818 | ? i.prefix[ADDR_PREFIX] | |
4819 | : i.mem_operands && !i.prefix[ADDR_PREFIX]) | |
4820 | as_bad (_("16-bit address isn't allowed in MPX instructions")); | |
4821 | } | |
7e8b059b L |
4822 | |
4823 | /* Insert BND prefix. */ | |
76d3a78a JB |
4824 | if (add_bnd_prefix && i.tm.opcode_modifier.bndprefixok) |
4825 | { | |
4826 | if (!i.prefix[BND_PREFIX]) | |
4827 | add_prefix (BND_PREFIX_OPCODE); | |
4828 | else if (i.prefix[BND_PREFIX] != BND_PREFIX_OPCODE) | |
4829 | { | |
4830 | as_warn (_("replacing `rep'/`repe' prefix by `bnd'")); | |
4831 | i.prefix[BND_PREFIX] = BND_PREFIX_OPCODE; | |
4832 | } | |
4833 | } | |
7e8b059b | 4834 | |
29b0f896 | 4835 | /* Check string instruction segment overrides. */ |
51c8edf6 | 4836 | if (i.tm.opcode_modifier.isstring >= IS_STRING_ES_OP0) |
29b0f896 | 4837 | { |
51c8edf6 | 4838 | gas_assert (i.mem_operands); |
29b0f896 | 4839 | if (!check_string ()) |
5dd0794d | 4840 | return; |
fc0763e6 | 4841 | i.disp_operands = 0; |
29b0f896 | 4842 | } |
5dd0794d | 4843 | |
b6f8c7c4 L |
4844 | if (optimize && !i.no_optimize && i.tm.opcode_modifier.optimize) |
4845 | optimize_encoding (); | |
4846 | ||
29b0f896 AM |
4847 | if (!process_suffix ()) |
4848 | return; | |
e413e4e9 | 4849 | |
bc0844ae L |
4850 | /* Update operand types. */ |
4851 | for (j = 0; j < i.operands; j++) | |
4852 | i.types[j] = operand_type_and (i.types[j], i.tm.operand_types[j]); | |
4853 | ||
29b0f896 AM |
4854 | /* Make still unresolved immediate matches conform to size of immediate |
4855 | given in i.suffix. */ | |
4856 | if (!finalize_imm ()) | |
4857 | return; | |
252b5132 | 4858 | |
40fb9820 | 4859 | if (i.types[0].bitfield.imm1) |
29b0f896 | 4860 | i.imm_operands = 0; /* kludge for shift insns. */ |
252b5132 | 4861 | |
9afe6eb8 L |
4862 | /* We only need to check those implicit registers for instructions |
4863 | with 3 operands or less. */ | |
4864 | if (i.operands <= 3) | |
4865 | for (j = 0; j < i.operands; j++) | |
75e5731b JB |
4866 | if (i.types[j].bitfield.instance != InstanceNone |
4867 | && !i.types[j].bitfield.xmmword) | |
9afe6eb8 | 4868 | i.reg_operands--; |
40fb9820 | 4869 | |
c0f3af97 L |
4870 | /* ImmExt should be processed after SSE2AVX. */ |
4871 | if (!i.tm.opcode_modifier.sse2avx | |
4872 | && i.tm.opcode_modifier.immext) | |
65da13b5 | 4873 | process_immext (); |
252b5132 | 4874 | |
29b0f896 AM |
4875 | /* For insns with operands there are more diddles to do to the opcode. */ |
4876 | if (i.operands) | |
4877 | { | |
4878 | if (!process_operands ()) | |
4879 | return; | |
4880 | } | |
40fb9820 | 4881 | else if (!quiet_warnings && i.tm.opcode_modifier.ugh) |
29b0f896 AM |
4882 | { |
4883 | /* UnixWare fsub no args is alias for fsubp, fadd -> faddp, etc. */ | |
4884 | as_warn (_("translating to `%sp'"), i.tm.name); | |
4885 | } | |
252b5132 | 4886 | |
7a8655d2 | 4887 | if (is_any_vex_encoding (&i.tm)) |
9e5e5283 | 4888 | { |
c1dc7af5 | 4889 | if (!cpu_arch_flags.bitfield.cpui286) |
9e5e5283 | 4890 | { |
c1dc7af5 | 4891 | as_bad (_("instruction `%s' isn't supported outside of protected mode."), |
9e5e5283 L |
4892 | i.tm.name); |
4893 | return; | |
4894 | } | |
c0f3af97 | 4895 | |
9e5e5283 L |
4896 | if (i.tm.opcode_modifier.vex) |
4897 | build_vex_prefix (t); | |
4898 | else | |
4899 | build_evex_prefix (); | |
4900 | } | |
43234a1e | 4901 | |
5dd85c99 SP |
4902 | /* Handle conversion of 'int $3' --> special int3 insn. XOP or FMA4 |
4903 | instructions may define INT_OPCODE as well, so avoid this corner | |
4904 | case for those instructions that use MODRM. */ | |
4905 | if (i.tm.base_opcode == INT_OPCODE | |
a6461c02 SP |
4906 | && !i.tm.opcode_modifier.modrm |
4907 | && i.op[0].imms->X_add_number == 3) | |
29b0f896 AM |
4908 | { |
4909 | i.tm.base_opcode = INT3_OPCODE; | |
4910 | i.imm_operands = 0; | |
4911 | } | |
252b5132 | 4912 | |
0cfa3eb3 JB |
4913 | if ((i.tm.opcode_modifier.jump == JUMP |
4914 | || i.tm.opcode_modifier.jump == JUMP_BYTE | |
4915 | || i.tm.opcode_modifier.jump == JUMP_DWORD) | |
29b0f896 AM |
4916 | && i.op[0].disps->X_op == O_constant) |
4917 | { | |
4918 | /* Convert "jmp constant" (and "call constant") to a jump (call) to | |
4919 | the absolute address given by the constant. Since ix86 jumps and | |
4920 | calls are pc relative, we need to generate a reloc. */ | |
4921 | i.op[0].disps->X_add_symbol = &abs_symbol; | |
4922 | i.op[0].disps->X_op = O_symbol; | |
4923 | } | |
252b5132 | 4924 | |
29b0f896 AM |
4925 | /* For 8 bit registers we need an empty rex prefix. Also if the |
4926 | instruction already has a prefix, we need to convert old | |
4927 | registers to new ones. */ | |
773f551c | 4928 | |
bab6aec1 | 4929 | if ((i.types[0].bitfield.class == Reg && i.types[0].bitfield.byte |
29b0f896 | 4930 | && (i.op[0].regs->reg_flags & RegRex64) != 0) |
bab6aec1 | 4931 | || (i.types[1].bitfield.class == Reg && i.types[1].bitfield.byte |
29b0f896 | 4932 | && (i.op[1].regs->reg_flags & RegRex64) != 0) |
bab6aec1 JB |
4933 | || (((i.types[0].bitfield.class == Reg && i.types[0].bitfield.byte) |
4934 | || (i.types[1].bitfield.class == Reg && i.types[1].bitfield.byte)) | |
29b0f896 AM |
4935 | && i.rex != 0)) |
4936 | { | |
4937 | int x; | |
726c5dcd | 4938 | |
29b0f896 AM |
4939 | i.rex |= REX_OPCODE; |
4940 | for (x = 0; x < 2; x++) | |
4941 | { | |
4942 | /* Look for 8 bit operand that uses old registers. */ | |
bab6aec1 | 4943 | if (i.types[x].bitfield.class == Reg && i.types[x].bitfield.byte |
29b0f896 | 4944 | && (i.op[x].regs->reg_flags & RegRex64) == 0) |
773f551c | 4945 | { |
3f93af61 | 4946 | gas_assert (!(i.op[x].regs->reg_flags & RegRex)); |
29b0f896 AM |
4947 | /* In case it is "hi" register, give up. */ |
4948 | if (i.op[x].regs->reg_num > 3) | |
a540244d | 4949 | as_bad (_("can't encode register '%s%s' in an " |
4eed87de | 4950 | "instruction requiring REX prefix."), |
a540244d | 4951 | register_prefix, i.op[x].regs->reg_name); |
773f551c | 4952 | |
29b0f896 AM |
4953 | /* Otherwise it is equivalent to the extended register. |
4954 | Since the encoding doesn't change this is merely | |
4955 | cosmetic cleanup for debug output. */ | |
4956 | ||
4957 | i.op[x].regs = i.op[x].regs + 8; | |
773f551c | 4958 | } |
29b0f896 AM |
4959 | } |
4960 | } | |
773f551c | 4961 | |
6b6b6807 L |
4962 | if (i.rex == 0 && i.rex_encoding) |
4963 | { | |
4964 | /* Check if we can add a REX_OPCODE byte. Look for 8 bit operand | |
3f93af61 | 4965 | that uses legacy register. If it is "hi" register, don't add |
6b6b6807 L |
4966 | the REX_OPCODE byte. */ |
4967 | int x; | |
4968 | for (x = 0; x < 2; x++) | |
bab6aec1 | 4969 | if (i.types[x].bitfield.class == Reg |
6b6b6807 L |
4970 | && i.types[x].bitfield.byte |
4971 | && (i.op[x].regs->reg_flags & RegRex64) == 0 | |
4972 | && i.op[x].regs->reg_num > 3) | |
4973 | { | |
3f93af61 | 4974 | gas_assert (!(i.op[x].regs->reg_flags & RegRex)); |
6b6b6807 L |
4975 | i.rex_encoding = FALSE; |
4976 | break; | |
4977 | } | |
4978 | ||
4979 | if (i.rex_encoding) | |
4980 | i.rex = REX_OPCODE; | |
4981 | } | |
4982 | ||
7ab9ffdd | 4983 | if (i.rex != 0) |
29b0f896 AM |
4984 | add_prefix (REX_OPCODE | i.rex); |
4985 | ||
ae531041 L |
4986 | insert_lfence_before (); |
4987 | ||
29b0f896 AM |
4988 | /* We are ready to output the insn. */ |
4989 | output_insn (); | |
e379e5f3 | 4990 | |
ae531041 L |
4991 | insert_lfence_after (); |
4992 | ||
e379e5f3 L |
4993 | last_insn.seg = now_seg; |
4994 | ||
4995 | if (i.tm.opcode_modifier.isprefix) | |
4996 | { | |
4997 | last_insn.kind = last_insn_prefix; | |
4998 | last_insn.name = i.tm.name; | |
4999 | last_insn.file = as_where (&last_insn.line); | |
5000 | } | |
5001 | else | |
5002 | last_insn.kind = last_insn_other; | |
29b0f896 AM |
5003 | } |
5004 | ||
5005 | static char * | |
e3bb37b5 | 5006 | parse_insn (char *line, char *mnemonic) |
29b0f896 AM |
5007 | { |
5008 | char *l = line; | |
5009 | char *token_start = l; | |
5010 | char *mnem_p; | |
5c6af06e | 5011 | int supported; |
d3ce72d0 | 5012 | const insn_template *t; |
b6169b20 | 5013 | char *dot_p = NULL; |
29b0f896 | 5014 | |
29b0f896 AM |
5015 | while (1) |
5016 | { | |
5017 | mnem_p = mnemonic; | |
5018 | while ((*mnem_p = mnemonic_chars[(unsigned char) *l]) != 0) | |
5019 | { | |
b6169b20 L |
5020 | if (*mnem_p == '.') |
5021 | dot_p = mnem_p; | |
29b0f896 AM |
5022 | mnem_p++; |
5023 | if (mnem_p >= mnemonic + MAX_MNEM_SIZE) | |
45288df1 | 5024 | { |
29b0f896 AM |
5025 | as_bad (_("no such instruction: `%s'"), token_start); |
5026 | return NULL; | |
5027 | } | |
5028 | l++; | |
5029 | } | |
5030 | if (!is_space_char (*l) | |
5031 | && *l != END_OF_INSN | |
e44823cf JB |
5032 | && (intel_syntax |
5033 | || (*l != PREFIX_SEPARATOR | |
5034 | && *l != ','))) | |
29b0f896 AM |
5035 | { |
5036 | as_bad (_("invalid character %s in mnemonic"), | |
5037 | output_invalid (*l)); | |
5038 | return NULL; | |
5039 | } | |
5040 | if (token_start == l) | |
5041 | { | |
e44823cf | 5042 | if (!intel_syntax && *l == PREFIX_SEPARATOR) |
29b0f896 AM |
5043 | as_bad (_("expecting prefix; got nothing")); |
5044 | else | |
5045 | as_bad (_("expecting mnemonic; got nothing")); | |
5046 | return NULL; | |
5047 | } | |
45288df1 | 5048 | |
29b0f896 | 5049 | /* Look up instruction (or prefix) via hash table. */ |
d3ce72d0 | 5050 | current_templates = (const templates *) hash_find (op_hash, mnemonic); |
47926f60 | 5051 | |
29b0f896 AM |
5052 | if (*l != END_OF_INSN |
5053 | && (!is_space_char (*l) || l[1] != END_OF_INSN) | |
5054 | && current_templates | |
40fb9820 | 5055 | && current_templates->start->opcode_modifier.isprefix) |
29b0f896 | 5056 | { |
c6fb90c8 | 5057 | if (!cpu_flags_check_cpu64 (current_templates->start->cpu_flags)) |
2dd88dca JB |
5058 | { |
5059 | as_bad ((flag_code != CODE_64BIT | |
5060 | ? _("`%s' is only supported in 64-bit mode") | |
5061 | : _("`%s' is not supported in 64-bit mode")), | |
5062 | current_templates->start->name); | |
5063 | return NULL; | |
5064 | } | |
29b0f896 AM |
5065 | /* If we are in 16-bit mode, do not allow addr16 or data16. |
5066 | Similarly, in 32-bit mode, do not allow addr32 or data32. */ | |
673fe0f0 JB |
5067 | if ((current_templates->start->opcode_modifier.size == SIZE16 |
5068 | || current_templates->start->opcode_modifier.size == SIZE32) | |
29b0f896 | 5069 | && flag_code != CODE_64BIT |
673fe0f0 | 5070 | && ((current_templates->start->opcode_modifier.size == SIZE32) |
29b0f896 AM |
5071 | ^ (flag_code == CODE_16BIT))) |
5072 | { | |
5073 | as_bad (_("redundant %s prefix"), | |
5074 | current_templates->start->name); | |
5075 | return NULL; | |
45288df1 | 5076 | } |
86fa6981 | 5077 | if (current_templates->start->opcode_length == 0) |
29b0f896 | 5078 | { |
86fa6981 L |
5079 | /* Handle pseudo prefixes. */ |
5080 | switch (current_templates->start->base_opcode) | |
5081 | { | |
5082 | case 0x0: | |
5083 | /* {disp8} */ | |
5084 | i.disp_encoding = disp_encoding_8bit; | |
5085 | break; | |
5086 | case 0x1: | |
5087 | /* {disp32} */ | |
5088 | i.disp_encoding = disp_encoding_32bit; | |
5089 | break; | |
5090 | case 0x2: | |
5091 | /* {load} */ | |
5092 | i.dir_encoding = dir_encoding_load; | |
5093 | break; | |
5094 | case 0x3: | |
5095 | /* {store} */ | |
5096 | i.dir_encoding = dir_encoding_store; | |
5097 | break; | |
5098 | case 0x4: | |
42e04b36 L |
5099 | /* {vex} */ |
5100 | i.vec_encoding = vex_encoding_vex; | |
86fa6981 L |
5101 | break; |
5102 | case 0x5: | |
5103 | /* {vex3} */ | |
5104 | i.vec_encoding = vex_encoding_vex3; | |
5105 | break; | |
5106 | case 0x6: | |
5107 | /* {evex} */ | |
5108 | i.vec_encoding = vex_encoding_evex; | |
5109 | break; | |
6b6b6807 L |
5110 | case 0x7: |
5111 | /* {rex} */ | |
5112 | i.rex_encoding = TRUE; | |
5113 | break; | |
b6f8c7c4 L |
5114 | case 0x8: |
5115 | /* {nooptimize} */ | |
5116 | i.no_optimize = TRUE; | |
5117 | break; | |
86fa6981 L |
5118 | default: |
5119 | abort (); | |
5120 | } | |
5121 | } | |
5122 | else | |
5123 | { | |
5124 | /* Add prefix, checking for repeated prefixes. */ | |
4e9ac44a | 5125 | switch (add_prefix (current_templates->start->base_opcode)) |
86fa6981 | 5126 | { |
4e9ac44a L |
5127 | case PREFIX_EXIST: |
5128 | return NULL; | |
5129 | case PREFIX_DS: | |
d777820b | 5130 | if (current_templates->start->cpu_flags.bitfield.cpuibt) |
4e9ac44a L |
5131 | i.notrack_prefix = current_templates->start->name; |
5132 | break; | |
5133 | case PREFIX_REP: | |
5134 | if (current_templates->start->cpu_flags.bitfield.cpuhle) | |
5135 | i.hle_prefix = current_templates->start->name; | |
5136 | else if (current_templates->start->cpu_flags.bitfield.cpumpx) | |
5137 | i.bnd_prefix = current_templates->start->name; | |
5138 | else | |
5139 | i.rep_prefix = current_templates->start->name; | |
5140 | break; | |
5141 | default: | |
5142 | break; | |
86fa6981 | 5143 | } |
29b0f896 AM |
5144 | } |
5145 | /* Skip past PREFIX_SEPARATOR and reset token_start. */ | |
5146 | token_start = ++l; | |
5147 | } | |
5148 | else | |
5149 | break; | |
5150 | } | |
45288df1 | 5151 | |
30a55f88 | 5152 | if (!current_templates) |
b6169b20 | 5153 | { |
07d5e953 JB |
5154 | /* Deprecated functionality (new code should use pseudo-prefixes instead): |
5155 | Check if we should swap operand or force 32bit displacement in | |
f8a5c266 | 5156 | encoding. */ |
30a55f88 | 5157 | if (mnem_p - 2 == dot_p && dot_p[1] == 's') |
64c49ab3 | 5158 | i.dir_encoding = dir_encoding_swap; |
8d63c93e | 5159 | else if (mnem_p - 3 == dot_p |
a501d77e L |
5160 | && dot_p[1] == 'd' |
5161 | && dot_p[2] == '8') | |
5162 | i.disp_encoding = disp_encoding_8bit; | |
8d63c93e | 5163 | else if (mnem_p - 4 == dot_p |
f8a5c266 L |
5164 | && dot_p[1] == 'd' |
5165 | && dot_p[2] == '3' | |
5166 | && dot_p[3] == '2') | |
a501d77e | 5167 | i.disp_encoding = disp_encoding_32bit; |
30a55f88 L |
5168 | else |
5169 | goto check_suffix; | |
5170 | mnem_p = dot_p; | |
5171 | *dot_p = '\0'; | |
d3ce72d0 | 5172 | current_templates = (const templates *) hash_find (op_hash, mnemonic); |
b6169b20 L |
5173 | } |
5174 | ||
29b0f896 AM |
5175 | if (!current_templates) |
5176 | { | |
dc1e8a47 | 5177 | check_suffix: |
1c529385 | 5178 | if (mnem_p > mnemonic) |
29b0f896 | 5179 | { |
1c529385 LH |
5180 | /* See if we can get a match by trimming off a suffix. */ |
5181 | switch (mnem_p[-1]) | |
29b0f896 | 5182 | { |
1c529385 LH |
5183 | case WORD_MNEM_SUFFIX: |
5184 | if (intel_syntax && (intel_float_operand (mnemonic) & 2)) | |
29b0f896 AM |
5185 | i.suffix = SHORT_MNEM_SUFFIX; |
5186 | else | |
1c529385 LH |
5187 | /* Fall through. */ |
5188 | case BYTE_MNEM_SUFFIX: | |
5189 | case QWORD_MNEM_SUFFIX: | |
5190 | i.suffix = mnem_p[-1]; | |
29b0f896 | 5191 | mnem_p[-1] = '\0'; |
d3ce72d0 | 5192 | current_templates = (const templates *) hash_find (op_hash, |
1c529385 LH |
5193 | mnemonic); |
5194 | break; | |
5195 | case SHORT_MNEM_SUFFIX: | |
5196 | case LONG_MNEM_SUFFIX: | |
5197 | if (!intel_syntax) | |
5198 | { | |
5199 | i.suffix = mnem_p[-1]; | |
5200 | mnem_p[-1] = '\0'; | |
5201 | current_templates = (const templates *) hash_find (op_hash, | |
5202 | mnemonic); | |
5203 | } | |
5204 | break; | |
5205 | ||
5206 | /* Intel Syntax. */ | |
5207 | case 'd': | |
5208 | if (intel_syntax) | |
5209 | { | |
5210 | if (intel_float_operand (mnemonic) == 1) | |
5211 | i.suffix = SHORT_MNEM_SUFFIX; | |
5212 | else | |
5213 | i.suffix = LONG_MNEM_SUFFIX; | |
5214 | mnem_p[-1] = '\0'; | |
5215 | current_templates = (const templates *) hash_find (op_hash, | |
5216 | mnemonic); | |
5217 | } | |
5218 | break; | |
29b0f896 | 5219 | } |
29b0f896 | 5220 | } |
1c529385 | 5221 | |
29b0f896 AM |
5222 | if (!current_templates) |
5223 | { | |
5224 | as_bad (_("no such instruction: `%s'"), token_start); | |
5225 | return NULL; | |
5226 | } | |
5227 | } | |
252b5132 | 5228 | |
0cfa3eb3 JB |
5229 | if (current_templates->start->opcode_modifier.jump == JUMP |
5230 | || current_templates->start->opcode_modifier.jump == JUMP_BYTE) | |
29b0f896 AM |
5231 | { |
5232 | /* Check for a branch hint. We allow ",pt" and ",pn" for | |
5233 | predict taken and predict not taken respectively. | |
5234 | I'm not sure that branch hints actually do anything on loop | |
5235 | and jcxz insns (JumpByte) for current Pentium4 chips. They | |
5236 | may work in the future and it doesn't hurt to accept them | |
5237 | now. */ | |
5238 | if (l[0] == ',' && l[1] == 'p') | |
5239 | { | |
5240 | if (l[2] == 't') | |
5241 | { | |
5242 | if (!add_prefix (DS_PREFIX_OPCODE)) | |
5243 | return NULL; | |
5244 | l += 3; | |
5245 | } | |
5246 | else if (l[2] == 'n') | |
5247 | { | |
5248 | if (!add_prefix (CS_PREFIX_OPCODE)) | |
5249 | return NULL; | |
5250 | l += 3; | |
5251 | } | |
5252 | } | |
5253 | } | |
5254 | /* Any other comma loses. */ | |
5255 | if (*l == ',') | |
5256 | { | |
5257 | as_bad (_("invalid character %s in mnemonic"), | |
5258 | output_invalid (*l)); | |
5259 | return NULL; | |
5260 | } | |
252b5132 | 5261 | |
29b0f896 | 5262 | /* Check if instruction is supported on specified architecture. */ |
5c6af06e JB |
5263 | supported = 0; |
5264 | for (t = current_templates->start; t < current_templates->end; ++t) | |
5265 | { | |
c0f3af97 L |
5266 | supported |= cpu_flags_match (t); |
5267 | if (supported == CPU_FLAGS_PERFECT_MATCH) | |
548d0ee6 JB |
5268 | { |
5269 | if (!cpu_arch_flags.bitfield.cpui386 && (flag_code != CODE_16BIT)) | |
5270 | as_warn (_("use .code16 to ensure correct addressing mode")); | |
3629bb00 | 5271 | |
548d0ee6 JB |
5272 | return l; |
5273 | } | |
29b0f896 | 5274 | } |
3629bb00 | 5275 | |
548d0ee6 JB |
5276 | if (!(supported & CPU_FLAGS_64BIT_MATCH)) |
5277 | as_bad (flag_code == CODE_64BIT | |
5278 | ? _("`%s' is not supported in 64-bit mode") | |
5279 | : _("`%s' is only supported in 64-bit mode"), | |
5280 | current_templates->start->name); | |
5281 | else | |
5282 | as_bad (_("`%s' is not supported on `%s%s'"), | |
5283 | current_templates->start->name, | |
5284 | cpu_arch_name ? cpu_arch_name : default_arch, | |
5285 | cpu_sub_arch_name ? cpu_sub_arch_name : ""); | |
252b5132 | 5286 | |
548d0ee6 | 5287 | return NULL; |
29b0f896 | 5288 | } |
252b5132 | 5289 | |
29b0f896 | 5290 | static char * |
e3bb37b5 | 5291 | parse_operands (char *l, const char *mnemonic) |
29b0f896 AM |
5292 | { |
5293 | char *token_start; | |
3138f287 | 5294 | |
29b0f896 AM |
5295 | /* 1 if operand is pending after ','. */ |
5296 | unsigned int expecting_operand = 0; | |
252b5132 | 5297 | |
29b0f896 AM |
5298 | /* Non-zero if operand parens not balanced. */ |
5299 | unsigned int paren_not_balanced; | |
5300 | ||
5301 | while (*l != END_OF_INSN) | |
5302 | { | |
5303 | /* Skip optional white space before operand. */ | |
5304 | if (is_space_char (*l)) | |
5305 | ++l; | |
d02603dc | 5306 | if (!is_operand_char (*l) && *l != END_OF_INSN && *l != '"') |
29b0f896 AM |
5307 | { |
5308 | as_bad (_("invalid character %s before operand %d"), | |
5309 | output_invalid (*l), | |
5310 | i.operands + 1); | |
5311 | return NULL; | |
5312 | } | |
d02603dc | 5313 | token_start = l; /* After white space. */ |
29b0f896 AM |
5314 | paren_not_balanced = 0; |
5315 | while (paren_not_balanced || *l != ',') | |
5316 | { | |
5317 | if (*l == END_OF_INSN) | |
5318 | { | |
5319 | if (paren_not_balanced) | |
5320 | { | |
5321 | if (!intel_syntax) | |
5322 | as_bad (_("unbalanced parenthesis in operand %d."), | |
5323 | i.operands + 1); | |
5324 | else | |
5325 | as_bad (_("unbalanced brackets in operand %d."), | |
5326 | i.operands + 1); | |
5327 | return NULL; | |
5328 | } | |
5329 | else | |
5330 | break; /* we are done */ | |
5331 | } | |
d02603dc | 5332 | else if (!is_operand_char (*l) && !is_space_char (*l) && *l != '"') |
29b0f896 AM |
5333 | { |
5334 | as_bad (_("invalid character %s in operand %d"), | |
5335 | output_invalid (*l), | |
5336 | i.operands + 1); | |
5337 | return NULL; | |
5338 | } | |
5339 | if (!intel_syntax) | |
5340 | { | |
5341 | if (*l == '(') | |
5342 | ++paren_not_balanced; | |
5343 | if (*l == ')') | |
5344 | --paren_not_balanced; | |
5345 | } | |
5346 | else | |
5347 | { | |
5348 | if (*l == '[') | |
5349 | ++paren_not_balanced; | |
5350 | if (*l == ']') | |
5351 | --paren_not_balanced; | |
5352 | } | |
5353 | l++; | |
5354 | } | |
5355 | if (l != token_start) | |
5356 | { /* Yes, we've read in another operand. */ | |
5357 | unsigned int operand_ok; | |
5358 | this_operand = i.operands++; | |
5359 | if (i.operands > MAX_OPERANDS) | |
5360 | { | |
5361 | as_bad (_("spurious operands; (%d operands/instruction max)"), | |
5362 | MAX_OPERANDS); | |
5363 | return NULL; | |
5364 | } | |
9d46ce34 | 5365 | i.types[this_operand].bitfield.unspecified = 1; |
29b0f896 AM |
5366 | /* Now parse operand adding info to 'i' as we go along. */ |
5367 | END_STRING_AND_SAVE (l); | |
5368 | ||
1286ab78 L |
5369 | if (i.mem_operands > 1) |
5370 | { | |
5371 | as_bad (_("too many memory references for `%s'"), | |
5372 | mnemonic); | |
5373 | return 0; | |
5374 | } | |
5375 | ||
29b0f896 AM |
5376 | if (intel_syntax) |
5377 | operand_ok = | |
5378 | i386_intel_operand (token_start, | |
5379 | intel_float_operand (mnemonic)); | |
5380 | else | |
a7619375 | 5381 | operand_ok = i386_att_operand (token_start); |
29b0f896 AM |
5382 | |
5383 | RESTORE_END_STRING (l); | |
5384 | if (!operand_ok) | |
5385 | return NULL; | |
5386 | } | |
5387 | else | |
5388 | { | |
5389 | if (expecting_operand) | |
5390 | { | |
5391 | expecting_operand_after_comma: | |
5392 | as_bad (_("expecting operand after ','; got nothing")); | |
5393 | return NULL; | |
5394 | } | |
5395 | if (*l == ',') | |
5396 | { | |
5397 | as_bad (_("expecting operand before ','; got nothing")); | |
5398 | return NULL; | |
5399 | } | |
5400 | } | |
7f3f1ea2 | 5401 | |
29b0f896 AM |
5402 | /* Now *l must be either ',' or END_OF_INSN. */ |
5403 | if (*l == ',') | |
5404 | { | |
5405 | if (*++l == END_OF_INSN) | |
5406 | { | |
5407 | /* Just skip it, if it's \n complain. */ | |
5408 | goto expecting_operand_after_comma; | |
5409 | } | |
5410 | expecting_operand = 1; | |
5411 | } | |
5412 | } | |
5413 | return l; | |
5414 | } | |
7f3f1ea2 | 5415 | |
050dfa73 | 5416 | static void |
4d456e3d | 5417 | swap_2_operands (int xchg1, int xchg2) |
050dfa73 MM |
5418 | { |
5419 | union i386_op temp_op; | |
40fb9820 | 5420 | i386_operand_type temp_type; |
c48dadc9 | 5421 | unsigned int temp_flags; |
050dfa73 | 5422 | enum bfd_reloc_code_real temp_reloc; |
4eed87de | 5423 | |
050dfa73 MM |
5424 | temp_type = i.types[xchg2]; |
5425 | i.types[xchg2] = i.types[xchg1]; | |
5426 | i.types[xchg1] = temp_type; | |
c48dadc9 JB |
5427 | |
5428 | temp_flags = i.flags[xchg2]; | |
5429 | i.flags[xchg2] = i.flags[xchg1]; | |
5430 | i.flags[xchg1] = temp_flags; | |
5431 | ||
050dfa73 MM |
5432 | temp_op = i.op[xchg2]; |
5433 | i.op[xchg2] = i.op[xchg1]; | |
5434 | i.op[xchg1] = temp_op; | |
c48dadc9 | 5435 | |
050dfa73 MM |
5436 | temp_reloc = i.reloc[xchg2]; |
5437 | i.reloc[xchg2] = i.reloc[xchg1]; | |
5438 | i.reloc[xchg1] = temp_reloc; | |
43234a1e L |
5439 | |
5440 | if (i.mask) | |
5441 | { | |
5442 | if (i.mask->operand == xchg1) | |
5443 | i.mask->operand = xchg2; | |
5444 | else if (i.mask->operand == xchg2) | |
5445 | i.mask->operand = xchg1; | |
5446 | } | |
5447 | if (i.broadcast) | |
5448 | { | |
5449 | if (i.broadcast->operand == xchg1) | |
5450 | i.broadcast->operand = xchg2; | |
5451 | else if (i.broadcast->operand == xchg2) | |
5452 | i.broadcast->operand = xchg1; | |
5453 | } | |
5454 | if (i.rounding) | |
5455 | { | |
5456 | if (i.rounding->operand == xchg1) | |
5457 | i.rounding->operand = xchg2; | |
5458 | else if (i.rounding->operand == xchg2) | |
5459 | i.rounding->operand = xchg1; | |
5460 | } | |
050dfa73 MM |
5461 | } |
5462 | ||
29b0f896 | 5463 | static void |
e3bb37b5 | 5464 | swap_operands (void) |
29b0f896 | 5465 | { |
b7c61d9a | 5466 | switch (i.operands) |
050dfa73 | 5467 | { |
c0f3af97 | 5468 | case 5: |
b7c61d9a | 5469 | case 4: |
4d456e3d | 5470 | swap_2_operands (1, i.operands - 2); |
1a0670f3 | 5471 | /* Fall through. */ |
b7c61d9a L |
5472 | case 3: |
5473 | case 2: | |
4d456e3d | 5474 | swap_2_operands (0, i.operands - 1); |
b7c61d9a L |
5475 | break; |
5476 | default: | |
5477 | abort (); | |
29b0f896 | 5478 | } |
29b0f896 AM |
5479 | |
5480 | if (i.mem_operands == 2) | |
5481 | { | |
5482 | const seg_entry *temp_seg; | |
5483 | temp_seg = i.seg[0]; | |
5484 | i.seg[0] = i.seg[1]; | |
5485 | i.seg[1] = temp_seg; | |
5486 | } | |
5487 | } | |
252b5132 | 5488 | |
29b0f896 AM |
5489 | /* Try to ensure constant immediates are represented in the smallest |
5490 | opcode possible. */ | |
5491 | static void | |
e3bb37b5 | 5492 | optimize_imm (void) |
29b0f896 AM |
5493 | { |
5494 | char guess_suffix = 0; | |
5495 | int op; | |
252b5132 | 5496 | |
29b0f896 AM |
5497 | if (i.suffix) |
5498 | guess_suffix = i.suffix; | |
5499 | else if (i.reg_operands) | |
5500 | { | |
5501 | /* Figure out a suffix from the last register operand specified. | |
75e5731b JB |
5502 | We can't do this properly yet, i.e. excluding special register |
5503 | instances, but the following works for instructions with | |
5504 | immediates. In any case, we can't set i.suffix yet. */ | |
29b0f896 | 5505 | for (op = i.operands; --op >= 0;) |
bab6aec1 JB |
5506 | if (i.types[op].bitfield.class != Reg) |
5507 | continue; | |
5508 | else if (i.types[op].bitfield.byte) | |
7ab9ffdd | 5509 | { |
40fb9820 L |
5510 | guess_suffix = BYTE_MNEM_SUFFIX; |
5511 | break; | |
5512 | } | |
bab6aec1 | 5513 | else if (i.types[op].bitfield.word) |
252b5132 | 5514 | { |
40fb9820 L |
5515 | guess_suffix = WORD_MNEM_SUFFIX; |
5516 | break; | |
5517 | } | |
bab6aec1 | 5518 | else if (i.types[op].bitfield.dword) |
40fb9820 L |
5519 | { |
5520 | guess_suffix = LONG_MNEM_SUFFIX; | |
5521 | break; | |
5522 | } | |
bab6aec1 | 5523 | else if (i.types[op].bitfield.qword) |
40fb9820 L |
5524 | { |
5525 | guess_suffix = QWORD_MNEM_SUFFIX; | |
29b0f896 | 5526 | break; |
252b5132 | 5527 | } |
29b0f896 AM |
5528 | } |
5529 | else if ((flag_code == CODE_16BIT) ^ (i.prefix[DATA_PREFIX] != 0)) | |
5530 | guess_suffix = WORD_MNEM_SUFFIX; | |
5531 | ||
5532 | for (op = i.operands; --op >= 0;) | |
40fb9820 | 5533 | if (operand_type_check (i.types[op], imm)) |
29b0f896 AM |
5534 | { |
5535 | switch (i.op[op].imms->X_op) | |
252b5132 | 5536 | { |
29b0f896 AM |
5537 | case O_constant: |
5538 | /* If a suffix is given, this operand may be shortened. */ | |
5539 | switch (guess_suffix) | |
252b5132 | 5540 | { |
29b0f896 | 5541 | case LONG_MNEM_SUFFIX: |
40fb9820 L |
5542 | i.types[op].bitfield.imm32 = 1; |
5543 | i.types[op].bitfield.imm64 = 1; | |
29b0f896 AM |
5544 | break; |
5545 | case WORD_MNEM_SUFFIX: | |
40fb9820 L |
5546 | i.types[op].bitfield.imm16 = 1; |
5547 | i.types[op].bitfield.imm32 = 1; | |
5548 | i.types[op].bitfield.imm32s = 1; | |
5549 | i.types[op].bitfield.imm64 = 1; | |
29b0f896 AM |
5550 | break; |
5551 | case BYTE_MNEM_SUFFIX: | |
40fb9820 L |
5552 | i.types[op].bitfield.imm8 = 1; |
5553 | i.types[op].bitfield.imm8s = 1; | |
5554 | i.types[op].bitfield.imm16 = 1; | |
5555 | i.types[op].bitfield.imm32 = 1; | |
5556 | i.types[op].bitfield.imm32s = 1; | |
5557 | i.types[op].bitfield.imm64 = 1; | |
29b0f896 | 5558 | break; |
252b5132 | 5559 | } |
252b5132 | 5560 | |
29b0f896 AM |
5561 | /* If this operand is at most 16 bits, convert it |
5562 | to a signed 16 bit number before trying to see | |
5563 | whether it will fit in an even smaller size. | |
5564 | This allows a 16-bit operand such as $0xffe0 to | |
5565 | be recognised as within Imm8S range. */ | |
40fb9820 | 5566 | if ((i.types[op].bitfield.imm16) |
29b0f896 | 5567 | && (i.op[op].imms->X_add_number & ~(offsetT) 0xffff) == 0) |
252b5132 | 5568 | { |
29b0f896 AM |
5569 | i.op[op].imms->X_add_number = |
5570 | (((i.op[op].imms->X_add_number & 0xffff) ^ 0x8000) - 0x8000); | |
5571 | } | |
a28def75 L |
5572 | #ifdef BFD64 |
5573 | /* Store 32-bit immediate in 64-bit for 64-bit BFD. */ | |
40fb9820 | 5574 | if ((i.types[op].bitfield.imm32) |
29b0f896 AM |
5575 | && ((i.op[op].imms->X_add_number & ~(((offsetT) 2 << 31) - 1)) |
5576 | == 0)) | |
5577 | { | |
5578 | i.op[op].imms->X_add_number = ((i.op[op].imms->X_add_number | |
5579 | ^ ((offsetT) 1 << 31)) | |
5580 | - ((offsetT) 1 << 31)); | |
5581 | } | |
a28def75 | 5582 | #endif |
40fb9820 | 5583 | i.types[op] |
c6fb90c8 L |
5584 | = operand_type_or (i.types[op], |
5585 | smallest_imm_type (i.op[op].imms->X_add_number)); | |
252b5132 | 5586 | |
29b0f896 AM |
5587 | /* We must avoid matching of Imm32 templates when 64bit |
5588 | only immediate is available. */ | |
5589 | if (guess_suffix == QWORD_MNEM_SUFFIX) | |
40fb9820 | 5590 | i.types[op].bitfield.imm32 = 0; |
29b0f896 | 5591 | break; |
252b5132 | 5592 | |
29b0f896 AM |
5593 | case O_absent: |
5594 | case O_register: | |
5595 | abort (); | |
5596 | ||
5597 | /* Symbols and expressions. */ | |
5598 | default: | |
9cd96992 JB |
5599 | /* Convert symbolic operand to proper sizes for matching, but don't |
5600 | prevent matching a set of insns that only supports sizes other | |
5601 | than those matching the insn suffix. */ | |
5602 | { | |
40fb9820 | 5603 | i386_operand_type mask, allowed; |
d3ce72d0 | 5604 | const insn_template *t; |
9cd96992 | 5605 | |
0dfbf9d7 L |
5606 | operand_type_set (&mask, 0); |
5607 | operand_type_set (&allowed, 0); | |
40fb9820 | 5608 | |
4eed87de AM |
5609 | for (t = current_templates->start; |
5610 | t < current_templates->end; | |
5611 | ++t) | |
bab6aec1 JB |
5612 | { |
5613 | allowed = operand_type_or (allowed, t->operand_types[op]); | |
5614 | allowed = operand_type_and (allowed, anyimm); | |
5615 | } | |
9cd96992 JB |
5616 | switch (guess_suffix) |
5617 | { | |
5618 | case QWORD_MNEM_SUFFIX: | |
40fb9820 L |
5619 | mask.bitfield.imm64 = 1; |
5620 | mask.bitfield.imm32s = 1; | |
9cd96992 JB |
5621 | break; |
5622 | case LONG_MNEM_SUFFIX: | |
40fb9820 | 5623 | mask.bitfield.imm32 = 1; |
9cd96992 JB |
5624 | break; |
5625 | case WORD_MNEM_SUFFIX: | |
40fb9820 | 5626 | mask.bitfield.imm16 = 1; |
9cd96992 JB |
5627 | break; |
5628 | case BYTE_MNEM_SUFFIX: | |
40fb9820 | 5629 | mask.bitfield.imm8 = 1; |
9cd96992 JB |
5630 | break; |
5631 | default: | |
9cd96992 JB |
5632 | break; |
5633 | } | |
c6fb90c8 | 5634 | allowed = operand_type_and (mask, allowed); |
0dfbf9d7 | 5635 | if (!operand_type_all_zero (&allowed)) |
c6fb90c8 | 5636 | i.types[op] = operand_type_and (i.types[op], mask); |
9cd96992 | 5637 | } |
29b0f896 | 5638 | break; |
252b5132 | 5639 | } |
29b0f896 AM |
5640 | } |
5641 | } | |
47926f60 | 5642 | |
29b0f896 AM |
5643 | /* Try to use the smallest displacement type too. */ |
5644 | static void | |
e3bb37b5 | 5645 | optimize_disp (void) |
29b0f896 AM |
5646 | { |
5647 | int op; | |
3e73aa7c | 5648 | |
29b0f896 | 5649 | for (op = i.operands; --op >= 0;) |
40fb9820 | 5650 | if (operand_type_check (i.types[op], disp)) |
252b5132 | 5651 | { |
b300c311 | 5652 | if (i.op[op].disps->X_op == O_constant) |
252b5132 | 5653 | { |
91d6fa6a | 5654 | offsetT op_disp = i.op[op].disps->X_add_number; |
29b0f896 | 5655 | |
40fb9820 | 5656 | if (i.types[op].bitfield.disp16 |
91d6fa6a | 5657 | && (op_disp & ~(offsetT) 0xffff) == 0) |
b300c311 L |
5658 | { |
5659 | /* If this operand is at most 16 bits, convert | |
5660 | to a signed 16 bit number and don't use 64bit | |
5661 | displacement. */ | |
91d6fa6a | 5662 | op_disp = (((op_disp & 0xffff) ^ 0x8000) - 0x8000); |
40fb9820 | 5663 | i.types[op].bitfield.disp64 = 0; |
b300c311 | 5664 | } |
a28def75 L |
5665 | #ifdef BFD64 |
5666 | /* Optimize 64-bit displacement to 32-bit for 64-bit BFD. */ | |
40fb9820 | 5667 | if (i.types[op].bitfield.disp32 |
91d6fa6a | 5668 | && (op_disp & ~(((offsetT) 2 << 31) - 1)) == 0) |
b300c311 L |
5669 | { |
5670 | /* If this operand is at most 32 bits, convert | |
5671 | to a signed 32 bit number and don't use 64bit | |
5672 | displacement. */ | |
91d6fa6a NC |
5673 | op_disp &= (((offsetT) 2 << 31) - 1); |
5674 | op_disp = (op_disp ^ ((offsetT) 1 << 31)) - ((addressT) 1 << 31); | |
40fb9820 | 5675 | i.types[op].bitfield.disp64 = 0; |
b300c311 | 5676 | } |
a28def75 | 5677 | #endif |
91d6fa6a | 5678 | if (!op_disp && i.types[op].bitfield.baseindex) |
b300c311 | 5679 | { |
40fb9820 L |
5680 | i.types[op].bitfield.disp8 = 0; |
5681 | i.types[op].bitfield.disp16 = 0; | |
5682 | i.types[op].bitfield.disp32 = 0; | |
5683 | i.types[op].bitfield.disp32s = 0; | |
5684 | i.types[op].bitfield.disp64 = 0; | |
b300c311 L |
5685 | i.op[op].disps = 0; |
5686 | i.disp_operands--; | |
5687 | } | |
5688 | else if (flag_code == CODE_64BIT) | |
5689 | { | |
91d6fa6a | 5690 | if (fits_in_signed_long (op_disp)) |
28a9d8f5 | 5691 | { |
40fb9820 L |
5692 | i.types[op].bitfield.disp64 = 0; |
5693 | i.types[op].bitfield.disp32s = 1; | |
28a9d8f5 | 5694 | } |
0e1147d9 | 5695 | if (i.prefix[ADDR_PREFIX] |
91d6fa6a | 5696 | && fits_in_unsigned_long (op_disp)) |
40fb9820 | 5697 | i.types[op].bitfield.disp32 = 1; |
b300c311 | 5698 | } |
40fb9820 L |
5699 | if ((i.types[op].bitfield.disp32 |
5700 | || i.types[op].bitfield.disp32s | |
5701 | || i.types[op].bitfield.disp16) | |
b5014f7a | 5702 | && fits_in_disp8 (op_disp)) |
40fb9820 | 5703 | i.types[op].bitfield.disp8 = 1; |
252b5132 | 5704 | } |
67a4f2b7 AO |
5705 | else if (i.reloc[op] == BFD_RELOC_386_TLS_DESC_CALL |
5706 | || i.reloc[op] == BFD_RELOC_X86_64_TLSDESC_CALL) | |
5707 | { | |
5708 | fix_new_exp (frag_now, frag_more (0) - frag_now->fr_literal, 0, | |
5709 | i.op[op].disps, 0, i.reloc[op]); | |
40fb9820 L |
5710 | i.types[op].bitfield.disp8 = 0; |
5711 | i.types[op].bitfield.disp16 = 0; | |
5712 | i.types[op].bitfield.disp32 = 0; | |
5713 | i.types[op].bitfield.disp32s = 0; | |
5714 | i.types[op].bitfield.disp64 = 0; | |
67a4f2b7 AO |
5715 | } |
5716 | else | |
b300c311 | 5717 | /* We only support 64bit displacement on constants. */ |
40fb9820 | 5718 | i.types[op].bitfield.disp64 = 0; |
252b5132 | 5719 | } |
29b0f896 AM |
5720 | } |
5721 | ||
4a1b91ea L |
5722 | /* Return 1 if there is a match in broadcast bytes between operand |
5723 | GIVEN and instruction template T. */ | |
5724 | ||
5725 | static INLINE int | |
5726 | match_broadcast_size (const insn_template *t, unsigned int given) | |
5727 | { | |
5728 | return ((t->opcode_modifier.broadcast == BYTE_BROADCAST | |
5729 | && i.types[given].bitfield.byte) | |
5730 | || (t->opcode_modifier.broadcast == WORD_BROADCAST | |
5731 | && i.types[given].bitfield.word) | |
5732 | || (t->opcode_modifier.broadcast == DWORD_BROADCAST | |
5733 | && i.types[given].bitfield.dword) | |
5734 | || (t->opcode_modifier.broadcast == QWORD_BROADCAST | |
5735 | && i.types[given].bitfield.qword)); | |
5736 | } | |
5737 | ||
6c30d220 L |
5738 | /* Check if operands are valid for the instruction. */ |
5739 | ||
5740 | static int | |
5741 | check_VecOperands (const insn_template *t) | |
5742 | { | |
43234a1e | 5743 | unsigned int op; |
e2195274 | 5744 | i386_cpu_flags cpu; |
e2195274 JB |
5745 | |
5746 | /* Templates allowing for ZMMword as well as YMMword and/or XMMword for | |
5747 | any one operand are implicity requiring AVX512VL support if the actual | |
5748 | operand size is YMMword or XMMword. Since this function runs after | |
5749 | template matching, there's no need to check for YMMword/XMMword in | |
5750 | the template. */ | |
5751 | cpu = cpu_flags_and (t->cpu_flags, avx512); | |
5752 | if (!cpu_flags_all_zero (&cpu) | |
5753 | && !t->cpu_flags.bitfield.cpuavx512vl | |
5754 | && !cpu_arch_flags.bitfield.cpuavx512vl) | |
5755 | { | |
5756 | for (op = 0; op < t->operands; ++op) | |
5757 | { | |
5758 | if (t->operand_types[op].bitfield.zmmword | |
5759 | && (i.types[op].bitfield.ymmword | |
5760 | || i.types[op].bitfield.xmmword)) | |
5761 | { | |
5762 | i.error = unsupported; | |
5763 | return 1; | |
5764 | } | |
5765 | } | |
5766 | } | |
43234a1e | 5767 | |
6c30d220 L |
5768 | /* Without VSIB byte, we can't have a vector register for index. */ |
5769 | if (!t->opcode_modifier.vecsib | |
5770 | && i.index_reg | |
1b54b8d7 JB |
5771 | && (i.index_reg->reg_type.bitfield.xmmword |
5772 | || i.index_reg->reg_type.bitfield.ymmword | |
5773 | || i.index_reg->reg_type.bitfield.zmmword)) | |
6c30d220 L |
5774 | { |
5775 | i.error = unsupported_vector_index_register; | |
5776 | return 1; | |
5777 | } | |
5778 | ||
ad8ecc81 MZ |
5779 | /* Check if default mask is allowed. */ |
5780 | if (t->opcode_modifier.nodefmask | |
5781 | && (!i.mask || i.mask->mask->reg_num == 0)) | |
5782 | { | |
5783 | i.error = no_default_mask; | |
5784 | return 1; | |
5785 | } | |
5786 | ||
7bab8ab5 JB |
5787 | /* For VSIB byte, we need a vector register for index, and all vector |
5788 | registers must be distinct. */ | |
5789 | if (t->opcode_modifier.vecsib) | |
5790 | { | |
5791 | if (!i.index_reg | |
6c30d220 | 5792 | || !((t->opcode_modifier.vecsib == VecSIB128 |
1b54b8d7 | 5793 | && i.index_reg->reg_type.bitfield.xmmword) |
6c30d220 | 5794 | || (t->opcode_modifier.vecsib == VecSIB256 |
1b54b8d7 | 5795 | && i.index_reg->reg_type.bitfield.ymmword) |
43234a1e | 5796 | || (t->opcode_modifier.vecsib == VecSIB512 |
1b54b8d7 | 5797 | && i.index_reg->reg_type.bitfield.zmmword))) |
7bab8ab5 JB |
5798 | { |
5799 | i.error = invalid_vsib_address; | |
5800 | return 1; | |
5801 | } | |
5802 | ||
43234a1e L |
5803 | gas_assert (i.reg_operands == 2 || i.mask); |
5804 | if (i.reg_operands == 2 && !i.mask) | |
5805 | { | |
3528c362 | 5806 | gas_assert (i.types[0].bitfield.class == RegSIMD); |
1b54b8d7 JB |
5807 | gas_assert (i.types[0].bitfield.xmmword |
5808 | || i.types[0].bitfield.ymmword); | |
3528c362 | 5809 | gas_assert (i.types[2].bitfield.class == RegSIMD); |
1b54b8d7 JB |
5810 | gas_assert (i.types[2].bitfield.xmmword |
5811 | || i.types[2].bitfield.ymmword); | |
43234a1e L |
5812 | if (operand_check == check_none) |
5813 | return 0; | |
5814 | if (register_number (i.op[0].regs) | |
5815 | != register_number (i.index_reg) | |
5816 | && register_number (i.op[2].regs) | |
5817 | != register_number (i.index_reg) | |
5818 | && register_number (i.op[0].regs) | |
5819 | != register_number (i.op[2].regs)) | |
5820 | return 0; | |
5821 | if (operand_check == check_error) | |
5822 | { | |
5823 | i.error = invalid_vector_register_set; | |
5824 | return 1; | |
5825 | } | |
5826 | as_warn (_("mask, index, and destination registers should be distinct")); | |
5827 | } | |
8444f82a MZ |
5828 | else if (i.reg_operands == 1 && i.mask) |
5829 | { | |
3528c362 | 5830 | if (i.types[1].bitfield.class == RegSIMD |
1b54b8d7 JB |
5831 | && (i.types[1].bitfield.xmmword |
5832 | || i.types[1].bitfield.ymmword | |
5833 | || i.types[1].bitfield.zmmword) | |
8444f82a MZ |
5834 | && (register_number (i.op[1].regs) |
5835 | == register_number (i.index_reg))) | |
5836 | { | |
5837 | if (operand_check == check_error) | |
5838 | { | |
5839 | i.error = invalid_vector_register_set; | |
5840 | return 1; | |
5841 | } | |
5842 | if (operand_check != check_none) | |
5843 | as_warn (_("index and destination registers should be distinct")); | |
5844 | } | |
5845 | } | |
43234a1e | 5846 | } |
7bab8ab5 | 5847 | |
43234a1e L |
5848 | /* Check if broadcast is supported by the instruction and is applied |
5849 | to the memory operand. */ | |
5850 | if (i.broadcast) | |
5851 | { | |
8e6e0792 | 5852 | i386_operand_type type, overlap; |
43234a1e L |
5853 | |
5854 | /* Check if specified broadcast is supported in this instruction, | |
4a1b91ea | 5855 | and its broadcast bytes match the memory operand. */ |
32546502 | 5856 | op = i.broadcast->operand; |
8e6e0792 | 5857 | if (!t->opcode_modifier.broadcast |
c48dadc9 | 5858 | || !(i.flags[op] & Operand_Mem) |
c39e5b26 | 5859 | || (!i.types[op].bitfield.unspecified |
4a1b91ea | 5860 | && !match_broadcast_size (t, op))) |
43234a1e L |
5861 | { |
5862 | bad_broadcast: | |
5863 | i.error = unsupported_broadcast; | |
5864 | return 1; | |
5865 | } | |
8e6e0792 | 5866 | |
4a1b91ea L |
5867 | i.broadcast->bytes = ((1 << (t->opcode_modifier.broadcast - 1)) |
5868 | * i.broadcast->type); | |
8e6e0792 | 5869 | operand_type_set (&type, 0); |
4a1b91ea | 5870 | switch (i.broadcast->bytes) |
8e6e0792 | 5871 | { |
4a1b91ea L |
5872 | case 2: |
5873 | type.bitfield.word = 1; | |
5874 | break; | |
5875 | case 4: | |
5876 | type.bitfield.dword = 1; | |
5877 | break; | |
8e6e0792 JB |
5878 | case 8: |
5879 | type.bitfield.qword = 1; | |
5880 | break; | |
5881 | case 16: | |
5882 | type.bitfield.xmmword = 1; | |
5883 | break; | |
5884 | case 32: | |
5885 | type.bitfield.ymmword = 1; | |
5886 | break; | |
5887 | case 64: | |
5888 | type.bitfield.zmmword = 1; | |
5889 | break; | |
5890 | default: | |
5891 | goto bad_broadcast; | |
5892 | } | |
5893 | ||
5894 | overlap = operand_type_and (type, t->operand_types[op]); | |
bc49bfd8 JB |
5895 | if (t->operand_types[op].bitfield.class == RegSIMD |
5896 | && t->operand_types[op].bitfield.byte | |
5897 | + t->operand_types[op].bitfield.word | |
5898 | + t->operand_types[op].bitfield.dword | |
5899 | + t->operand_types[op].bitfield.qword > 1) | |
5900 | { | |
5901 | overlap.bitfield.xmmword = 0; | |
5902 | overlap.bitfield.ymmword = 0; | |
5903 | overlap.bitfield.zmmword = 0; | |
5904 | } | |
8e6e0792 JB |
5905 | if (operand_type_all_zero (&overlap)) |
5906 | goto bad_broadcast; | |
5907 | ||
5908 | if (t->opcode_modifier.checkregsize) | |
5909 | { | |
5910 | unsigned int j; | |
5911 | ||
e2195274 | 5912 | type.bitfield.baseindex = 1; |
8e6e0792 JB |
5913 | for (j = 0; j < i.operands; ++j) |
5914 | { | |
5915 | if (j != op | |
5916 | && !operand_type_register_match(i.types[j], | |
5917 | t->operand_types[j], | |
5918 | type, | |
5919 | t->operand_types[op])) | |
5920 | goto bad_broadcast; | |
5921 | } | |
5922 | } | |
43234a1e L |
5923 | } |
5924 | /* If broadcast is supported in this instruction, we need to check if | |
5925 | operand of one-element size isn't specified without broadcast. */ | |
5926 | else if (t->opcode_modifier.broadcast && i.mem_operands) | |
5927 | { | |
5928 | /* Find memory operand. */ | |
5929 | for (op = 0; op < i.operands; op++) | |
8dc0818e | 5930 | if (i.flags[op] & Operand_Mem) |
43234a1e L |
5931 | break; |
5932 | gas_assert (op < i.operands); | |
5933 | /* Check size of the memory operand. */ | |
4a1b91ea | 5934 | if (match_broadcast_size (t, op)) |
43234a1e L |
5935 | { |
5936 | i.error = broadcast_needed; | |
5937 | return 1; | |
5938 | } | |
5939 | } | |
c39e5b26 JB |
5940 | else |
5941 | op = MAX_OPERANDS - 1; /* Avoid uninitialized variable warning. */ | |
43234a1e L |
5942 | |
5943 | /* Check if requested masking is supported. */ | |
ae2387fe | 5944 | if (i.mask) |
43234a1e | 5945 | { |
ae2387fe JB |
5946 | switch (t->opcode_modifier.masking) |
5947 | { | |
5948 | case BOTH_MASKING: | |
5949 | break; | |
5950 | case MERGING_MASKING: | |
5951 | if (i.mask->zeroing) | |
5952 | { | |
5953 | case 0: | |
5954 | i.error = unsupported_masking; | |
5955 | return 1; | |
5956 | } | |
5957 | break; | |
5958 | case DYNAMIC_MASKING: | |
5959 | /* Memory destinations allow only merging masking. */ | |
5960 | if (i.mask->zeroing && i.mem_operands) | |
5961 | { | |
5962 | /* Find memory operand. */ | |
5963 | for (op = 0; op < i.operands; op++) | |
c48dadc9 | 5964 | if (i.flags[op] & Operand_Mem) |
ae2387fe JB |
5965 | break; |
5966 | gas_assert (op < i.operands); | |
5967 | if (op == i.operands - 1) | |
5968 | { | |
5969 | i.error = unsupported_masking; | |
5970 | return 1; | |
5971 | } | |
5972 | } | |
5973 | break; | |
5974 | default: | |
5975 | abort (); | |
5976 | } | |
43234a1e L |
5977 | } |
5978 | ||
5979 | /* Check if masking is applied to dest operand. */ | |
5980 | if (i.mask && (i.mask->operand != (int) (i.operands - 1))) | |
5981 | { | |
5982 | i.error = mask_not_on_destination; | |
5983 | return 1; | |
5984 | } | |
5985 | ||
43234a1e L |
5986 | /* Check RC/SAE. */ |
5987 | if (i.rounding) | |
5988 | { | |
a80195f1 JB |
5989 | if (!t->opcode_modifier.sae |
5990 | || (i.rounding->type != saeonly && !t->opcode_modifier.staticrounding)) | |
43234a1e L |
5991 | { |
5992 | i.error = unsupported_rc_sae; | |
5993 | return 1; | |
5994 | } | |
5995 | /* If the instruction has several immediate operands and one of | |
5996 | them is rounding, the rounding operand should be the last | |
5997 | immediate operand. */ | |
5998 | if (i.imm_operands > 1 | |
5999 | && i.rounding->operand != (int) (i.imm_operands - 1)) | |
7bab8ab5 | 6000 | { |
43234a1e | 6001 | i.error = rc_sae_operand_not_last_imm; |
7bab8ab5 JB |
6002 | return 1; |
6003 | } | |
6c30d220 L |
6004 | } |
6005 | ||
da4977e0 JB |
6006 | /* Check the special Imm4 cases; must be the first operand. */ |
6007 | if (t->cpu_flags.bitfield.cpuxop && t->operands == 5) | |
6008 | { | |
6009 | if (i.op[0].imms->X_op != O_constant | |
6010 | || !fits_in_imm4 (i.op[0].imms->X_add_number)) | |
6011 | { | |
6012 | i.error = bad_imm4; | |
6013 | return 1; | |
6014 | } | |
6015 | ||
6016 | /* Turn off Imm<N> so that update_imm won't complain. */ | |
6017 | operand_type_set (&i.types[0], 0); | |
6018 | } | |
6019 | ||
43234a1e | 6020 | /* Check vector Disp8 operand. */ |
b5014f7a JB |
6021 | if (t->opcode_modifier.disp8memshift |
6022 | && i.disp_encoding != disp_encoding_32bit) | |
43234a1e L |
6023 | { |
6024 | if (i.broadcast) | |
4a1b91ea | 6025 | i.memshift = t->opcode_modifier.broadcast - 1; |
7091c612 | 6026 | else if (t->opcode_modifier.disp8memshift != DISP8_SHIFT_VL) |
43234a1e | 6027 | i.memshift = t->opcode_modifier.disp8memshift; |
7091c612 JB |
6028 | else |
6029 | { | |
6030 | const i386_operand_type *type = NULL; | |
6031 | ||
6032 | i.memshift = 0; | |
6033 | for (op = 0; op < i.operands; op++) | |
8dc0818e | 6034 | if (i.flags[op] & Operand_Mem) |
7091c612 | 6035 | { |
4174bfff JB |
6036 | if (t->opcode_modifier.evex == EVEXLIG) |
6037 | i.memshift = 2 + (i.suffix == QWORD_MNEM_SUFFIX); | |
6038 | else if (t->operand_types[op].bitfield.xmmword | |
6039 | + t->operand_types[op].bitfield.ymmword | |
6040 | + t->operand_types[op].bitfield.zmmword <= 1) | |
7091c612 JB |
6041 | type = &t->operand_types[op]; |
6042 | else if (!i.types[op].bitfield.unspecified) | |
6043 | type = &i.types[op]; | |
6044 | } | |
3528c362 | 6045 | else if (i.types[op].bitfield.class == RegSIMD |
4174bfff | 6046 | && t->opcode_modifier.evex != EVEXLIG) |
7091c612 JB |
6047 | { |
6048 | if (i.types[op].bitfield.zmmword) | |
6049 | i.memshift = 6; | |
6050 | else if (i.types[op].bitfield.ymmword && i.memshift < 5) | |
6051 | i.memshift = 5; | |
6052 | else if (i.types[op].bitfield.xmmword && i.memshift < 4) | |
6053 | i.memshift = 4; | |
6054 | } | |
6055 | ||
6056 | if (type) | |
6057 | { | |
6058 | if (type->bitfield.zmmword) | |
6059 | i.memshift = 6; | |
6060 | else if (type->bitfield.ymmword) | |
6061 | i.memshift = 5; | |
6062 | else if (type->bitfield.xmmword) | |
6063 | i.memshift = 4; | |
6064 | } | |
6065 | ||
6066 | /* For the check in fits_in_disp8(). */ | |
6067 | if (i.memshift == 0) | |
6068 | i.memshift = -1; | |
6069 | } | |
43234a1e L |
6070 | |
6071 | for (op = 0; op < i.operands; op++) | |
6072 | if (operand_type_check (i.types[op], disp) | |
6073 | && i.op[op].disps->X_op == O_constant) | |
6074 | { | |
b5014f7a | 6075 | if (fits_in_disp8 (i.op[op].disps->X_add_number)) |
43234a1e | 6076 | { |
b5014f7a JB |
6077 | i.types[op].bitfield.disp8 = 1; |
6078 | return 0; | |
43234a1e | 6079 | } |
b5014f7a | 6080 | i.types[op].bitfield.disp8 = 0; |
43234a1e L |
6081 | } |
6082 | } | |
b5014f7a JB |
6083 | |
6084 | i.memshift = 0; | |
43234a1e | 6085 | |
6c30d220 L |
6086 | return 0; |
6087 | } | |
6088 | ||
da4977e0 | 6089 | /* Check if encoding requirements are met by the instruction. */ |
a683cc34 SP |
6090 | |
6091 | static int | |
da4977e0 | 6092 | VEX_check_encoding (const insn_template *t) |
a683cc34 | 6093 | { |
da4977e0 JB |
6094 | if (i.vec_encoding == vex_encoding_error) |
6095 | { | |
6096 | i.error = unsupported; | |
6097 | return 1; | |
6098 | } | |
6099 | ||
86fa6981 | 6100 | if (i.vec_encoding == vex_encoding_evex) |
43234a1e | 6101 | { |
86fa6981 | 6102 | /* This instruction must be encoded with EVEX prefix. */ |
e771e7c9 | 6103 | if (!is_evex_encoding (t)) |
86fa6981 L |
6104 | { |
6105 | i.error = unsupported; | |
6106 | return 1; | |
6107 | } | |
6108 | return 0; | |
43234a1e L |
6109 | } |
6110 | ||
a683cc34 | 6111 | if (!t->opcode_modifier.vex) |
86fa6981 L |
6112 | { |
6113 | /* This instruction template doesn't have VEX prefix. */ | |
6114 | if (i.vec_encoding != vex_encoding_default) | |
6115 | { | |
6116 | i.error = unsupported; | |
6117 | return 1; | |
6118 | } | |
6119 | return 0; | |
6120 | } | |
a683cc34 | 6121 | |
a683cc34 SP |
6122 | return 0; |
6123 | } | |
6124 | ||
d3ce72d0 | 6125 | static const insn_template * |
83b16ac6 | 6126 | match_template (char mnem_suffix) |
29b0f896 AM |
6127 | { |
6128 | /* Points to template once we've found it. */ | |
d3ce72d0 | 6129 | const insn_template *t; |
40fb9820 | 6130 | i386_operand_type overlap0, overlap1, overlap2, overlap3; |
c0f3af97 | 6131 | i386_operand_type overlap4; |
29b0f896 | 6132 | unsigned int found_reverse_match; |
dc2be329 | 6133 | i386_opcode_modifier suffix_check; |
40fb9820 | 6134 | i386_operand_type operand_types [MAX_OPERANDS]; |
539e75ad | 6135 | int addr_prefix_disp; |
45a4bb20 | 6136 | unsigned int j, size_match, check_register; |
5614d22c | 6137 | enum i386_error specific_error = 0; |
29b0f896 | 6138 | |
c0f3af97 L |
6139 | #if MAX_OPERANDS != 5 |
6140 | # error "MAX_OPERANDS must be 5." | |
f48ff2ae L |
6141 | #endif |
6142 | ||
29b0f896 | 6143 | found_reverse_match = 0; |
539e75ad | 6144 | addr_prefix_disp = -1; |
40fb9820 | 6145 | |
dc2be329 | 6146 | /* Prepare for mnemonic suffix check. */ |
40fb9820 | 6147 | memset (&suffix_check, 0, sizeof (suffix_check)); |
dc2be329 L |
6148 | switch (mnem_suffix) |
6149 | { | |
6150 | case BYTE_MNEM_SUFFIX: | |
6151 | suffix_check.no_bsuf = 1; | |
6152 | break; | |
6153 | case WORD_MNEM_SUFFIX: | |
6154 | suffix_check.no_wsuf = 1; | |
6155 | break; | |
6156 | case SHORT_MNEM_SUFFIX: | |
6157 | suffix_check.no_ssuf = 1; | |
6158 | break; | |
6159 | case LONG_MNEM_SUFFIX: | |
6160 | suffix_check.no_lsuf = 1; | |
6161 | break; | |
6162 | case QWORD_MNEM_SUFFIX: | |
6163 | suffix_check.no_qsuf = 1; | |
6164 | break; | |
6165 | default: | |
6166 | /* NB: In Intel syntax, normally we can check for memory operand | |
6167 | size when there is no mnemonic suffix. But jmp and call have | |
6168 | 2 different encodings with Dword memory operand size, one with | |
6169 | No_ldSuf and the other without. i.suffix is set to | |
6170 | LONG_DOUBLE_MNEM_SUFFIX to skip the one with No_ldSuf. */ | |
6171 | if (i.suffix == LONG_DOUBLE_MNEM_SUFFIX) | |
6172 | suffix_check.no_ldsuf = 1; | |
83b16ac6 JB |
6173 | } |
6174 | ||
01559ecc L |
6175 | /* Must have right number of operands. */ |
6176 | i.error = number_of_operands_mismatch; | |
6177 | ||
45aa61fe | 6178 | for (t = current_templates->start; t < current_templates->end; t++) |
29b0f896 | 6179 | { |
539e75ad | 6180 | addr_prefix_disp = -1; |
dbbc8b7e | 6181 | found_reverse_match = 0; |
539e75ad | 6182 | |
29b0f896 AM |
6183 | if (i.operands != t->operands) |
6184 | continue; | |
6185 | ||
50aecf8c | 6186 | /* Check processor support. */ |
a65babc9 | 6187 | i.error = unsupported; |
45a4bb20 | 6188 | if (cpu_flags_match (t) != CPU_FLAGS_PERFECT_MATCH) |
50aecf8c L |
6189 | continue; |
6190 | ||
e1d4d893 | 6191 | /* Check AT&T mnemonic. */ |
a65babc9 | 6192 | i.error = unsupported_with_intel_mnemonic; |
e1d4d893 | 6193 | if (intel_mnemonic && t->opcode_modifier.attmnemonic) |
1efbbeb4 L |
6194 | continue; |
6195 | ||
4b5aaf5f | 6196 | /* Check AT&T/Intel syntax. */ |
a65babc9 | 6197 | i.error = unsupported_syntax; |
5c07affc | 6198 | if ((intel_syntax && t->opcode_modifier.attsyntax) |
4b5aaf5f | 6199 | || (!intel_syntax && t->opcode_modifier.intelsyntax)) |
1efbbeb4 L |
6200 | continue; |
6201 | ||
4b5aaf5f L |
6202 | /* Check Intel64/AMD64 ISA. */ |
6203 | switch (isa64) | |
6204 | { | |
6205 | default: | |
6206 | /* Default: Don't accept Intel64. */ | |
6207 | if (t->opcode_modifier.isa64 == INTEL64) | |
6208 | continue; | |
6209 | break; | |
6210 | case amd64: | |
6211 | /* -mamd64: Don't accept Intel64 and Intel64 only. */ | |
6212 | if (t->opcode_modifier.isa64 >= INTEL64) | |
6213 | continue; | |
6214 | break; | |
6215 | case intel64: | |
6216 | /* -mintel64: Don't accept AMD64. */ | |
5990e377 | 6217 | if (t->opcode_modifier.isa64 == AMD64 && flag_code == CODE_64BIT) |
4b5aaf5f L |
6218 | continue; |
6219 | break; | |
6220 | } | |
6221 | ||
dc2be329 | 6222 | /* Check the suffix. */ |
a65babc9 | 6223 | i.error = invalid_instruction_suffix; |
dc2be329 L |
6224 | if ((t->opcode_modifier.no_bsuf && suffix_check.no_bsuf) |
6225 | || (t->opcode_modifier.no_wsuf && suffix_check.no_wsuf) | |
6226 | || (t->opcode_modifier.no_lsuf && suffix_check.no_lsuf) | |
6227 | || (t->opcode_modifier.no_ssuf && suffix_check.no_ssuf) | |
6228 | || (t->opcode_modifier.no_qsuf && suffix_check.no_qsuf) | |
6229 | || (t->opcode_modifier.no_ldsuf && suffix_check.no_ldsuf)) | |
83b16ac6 | 6230 | continue; |
29b0f896 | 6231 | |
3ac21baa JB |
6232 | size_match = operand_size_match (t); |
6233 | if (!size_match) | |
7d5e4556 | 6234 | continue; |
539e75ad | 6235 | |
6f2f06be JB |
6236 | /* This is intentionally not |
6237 | ||
0cfa3eb3 | 6238 | if (i.jumpabsolute != (t->opcode_modifier.jump == JUMP_ABSOLUTE)) |
6f2f06be JB |
6239 | |
6240 | as the case of a missing * on the operand is accepted (perhaps with | |
6241 | a warning, issued further down). */ | |
0cfa3eb3 | 6242 | if (i.jumpabsolute && t->opcode_modifier.jump != JUMP_ABSOLUTE) |
6f2f06be JB |
6243 | { |
6244 | i.error = operand_type_mismatch; | |
6245 | continue; | |
6246 | } | |
6247 | ||
5c07affc L |
6248 | for (j = 0; j < MAX_OPERANDS; j++) |
6249 | operand_types[j] = t->operand_types[j]; | |
6250 | ||
e365e234 JB |
6251 | /* In general, don't allow |
6252 | - 64-bit operands outside of 64-bit mode, | |
6253 | - 32-bit operands on pre-386. */ | |
4873e243 | 6254 | j = i.imm_operands + (t->operands > i.imm_operands + 1); |
e365e234 JB |
6255 | if (((i.suffix == QWORD_MNEM_SUFFIX |
6256 | && flag_code != CODE_64BIT | |
6257 | && (t->base_opcode != 0x0fc7 | |
6258 | || t->extension_opcode != 1 /* cmpxchg8b */)) | |
6259 | || (i.suffix == LONG_MNEM_SUFFIX | |
6260 | && !cpu_arch_flags.bitfield.cpui386)) | |
45aa61fe | 6261 | && (intel_syntax |
3cd7f3e3 | 6262 | ? (t->opcode_modifier.mnemonicsize != IGNORESIZE |
45aa61fe AM |
6263 | && !intel_float_operand (t->name)) |
6264 | : intel_float_operand (t->name) != 2) | |
4873e243 JB |
6265 | && (t->operands == i.imm_operands |
6266 | || (operand_types[i.imm_operands].bitfield.class != RegMMX | |
6267 | && operand_types[i.imm_operands].bitfield.class != RegSIMD | |
6268 | && operand_types[i.imm_operands].bitfield.class != RegMask) | |
6269 | || (operand_types[j].bitfield.class != RegMMX | |
6270 | && operand_types[j].bitfield.class != RegSIMD | |
6271 | && operand_types[j].bitfield.class != RegMask)) | |
6272 | && !t->opcode_modifier.vecsib) | |
192dc9c6 JB |
6273 | continue; |
6274 | ||
29b0f896 | 6275 | /* Do not verify operands when there are none. */ |
e365e234 | 6276 | if (!t->operands) |
da4977e0 JB |
6277 | { |
6278 | if (VEX_check_encoding (t)) | |
6279 | { | |
6280 | specific_error = i.error; | |
6281 | continue; | |
6282 | } | |
6283 | ||
6284 | /* We've found a match; break out of loop. */ | |
6285 | break; | |
6286 | } | |
252b5132 | 6287 | |
48bcea9f JB |
6288 | if (!t->opcode_modifier.jump |
6289 | || t->opcode_modifier.jump == JUMP_ABSOLUTE) | |
6290 | { | |
6291 | /* There should be only one Disp operand. */ | |
6292 | for (j = 0; j < MAX_OPERANDS; j++) | |
6293 | if (operand_type_check (operand_types[j], disp)) | |
539e75ad | 6294 | break; |
48bcea9f JB |
6295 | if (j < MAX_OPERANDS) |
6296 | { | |
6297 | bfd_boolean override = (i.prefix[ADDR_PREFIX] != 0); | |
6298 | ||
6299 | addr_prefix_disp = j; | |
6300 | ||
6301 | /* Address size prefix will turn Disp64/Disp32S/Disp32/Disp16 | |
6302 | operand into Disp32/Disp32/Disp16/Disp32 operand. */ | |
6303 | switch (flag_code) | |
40fb9820 | 6304 | { |
48bcea9f JB |
6305 | case CODE_16BIT: |
6306 | override = !override; | |
6307 | /* Fall through. */ | |
6308 | case CODE_32BIT: | |
6309 | if (operand_types[j].bitfield.disp32 | |
6310 | && operand_types[j].bitfield.disp16) | |
40fb9820 | 6311 | { |
48bcea9f JB |
6312 | operand_types[j].bitfield.disp16 = override; |
6313 | operand_types[j].bitfield.disp32 = !override; | |
40fb9820 | 6314 | } |
48bcea9f JB |
6315 | operand_types[j].bitfield.disp32s = 0; |
6316 | operand_types[j].bitfield.disp64 = 0; | |
6317 | break; | |
6318 | ||
6319 | case CODE_64BIT: | |
6320 | if (operand_types[j].bitfield.disp32s | |
6321 | || operand_types[j].bitfield.disp64) | |
40fb9820 | 6322 | { |
48bcea9f JB |
6323 | operand_types[j].bitfield.disp64 &= !override; |
6324 | operand_types[j].bitfield.disp32s &= !override; | |
6325 | operand_types[j].bitfield.disp32 = override; | |
40fb9820 | 6326 | } |
48bcea9f JB |
6327 | operand_types[j].bitfield.disp16 = 0; |
6328 | break; | |
40fb9820 | 6329 | } |
539e75ad | 6330 | } |
48bcea9f | 6331 | } |
539e75ad | 6332 | |
02a86693 L |
6333 | /* Force 0x8b encoding for "mov foo@GOT, %eax". */ |
6334 | if (i.reloc[0] == BFD_RELOC_386_GOT32 && t->base_opcode == 0xa0) | |
6335 | continue; | |
6336 | ||
56ffb741 | 6337 | /* We check register size if needed. */ |
e2195274 JB |
6338 | if (t->opcode_modifier.checkregsize) |
6339 | { | |
6340 | check_register = (1 << t->operands) - 1; | |
6341 | if (i.broadcast) | |
6342 | check_register &= ~(1 << i.broadcast->operand); | |
6343 | } | |
6344 | else | |
6345 | check_register = 0; | |
6346 | ||
c6fb90c8 | 6347 | overlap0 = operand_type_and (i.types[0], operand_types[0]); |
29b0f896 AM |
6348 | switch (t->operands) |
6349 | { | |
6350 | case 1: | |
40fb9820 | 6351 | if (!operand_type_match (overlap0, i.types[0])) |
29b0f896 AM |
6352 | continue; |
6353 | break; | |
6354 | case 2: | |
33eaf5de | 6355 | /* xchg %eax, %eax is a special case. It is an alias for nop |
8b38ad71 L |
6356 | only in 32bit mode and we can use opcode 0x90. In 64bit |
6357 | mode, we can't use 0x90 for xchg %eax, %eax since it should | |
6358 | zero-extend %eax to %rax. */ | |
6359 | if (flag_code == CODE_64BIT | |
6360 | && t->base_opcode == 0x90 | |
75e5731b JB |
6361 | && i.types[0].bitfield.instance == Accum |
6362 | && i.types[0].bitfield.dword | |
6363 | && i.types[1].bitfield.instance == Accum | |
6364 | && i.types[1].bitfield.dword) | |
8b38ad71 | 6365 | continue; |
1212781b JB |
6366 | /* xrelease mov %eax, <disp> is another special case. It must not |
6367 | match the accumulator-only encoding of mov. */ | |
6368 | if (flag_code != CODE_64BIT | |
6369 | && i.hle_prefix | |
6370 | && t->base_opcode == 0xa0 | |
75e5731b | 6371 | && i.types[0].bitfield.instance == Accum |
8dc0818e | 6372 | && (i.flags[1] & Operand_Mem)) |
1212781b | 6373 | continue; |
f5eb1d70 JB |
6374 | /* Fall through. */ |
6375 | ||
6376 | case 3: | |
3ac21baa JB |
6377 | if (!(size_match & MATCH_STRAIGHT)) |
6378 | goto check_reverse; | |
64c49ab3 JB |
6379 | /* Reverse direction of operands if swapping is possible in the first |
6380 | place (operands need to be symmetric) and | |
6381 | - the load form is requested, and the template is a store form, | |
6382 | - the store form is requested, and the template is a load form, | |
6383 | - the non-default (swapped) form is requested. */ | |
6384 | overlap1 = operand_type_and (operand_types[0], operand_types[1]); | |
f5eb1d70 | 6385 | if (t->opcode_modifier.d && i.reg_operands == i.operands |
64c49ab3 JB |
6386 | && !operand_type_all_zero (&overlap1)) |
6387 | switch (i.dir_encoding) | |
6388 | { | |
6389 | case dir_encoding_load: | |
6390 | if (operand_type_check (operand_types[i.operands - 1], anymem) | |
dfd69174 | 6391 | || t->opcode_modifier.regmem) |
64c49ab3 JB |
6392 | goto check_reverse; |
6393 | break; | |
6394 | ||
6395 | case dir_encoding_store: | |
6396 | if (!operand_type_check (operand_types[i.operands - 1], anymem) | |
dfd69174 | 6397 | && !t->opcode_modifier.regmem) |
64c49ab3 JB |
6398 | goto check_reverse; |
6399 | break; | |
6400 | ||
6401 | case dir_encoding_swap: | |
6402 | goto check_reverse; | |
6403 | ||
6404 | case dir_encoding_default: | |
6405 | break; | |
6406 | } | |
86fa6981 | 6407 | /* If we want store form, we skip the current load. */ |
64c49ab3 JB |
6408 | if ((i.dir_encoding == dir_encoding_store |
6409 | || i.dir_encoding == dir_encoding_swap) | |
86fa6981 L |
6410 | && i.mem_operands == 0 |
6411 | && t->opcode_modifier.load) | |
fa99fab2 | 6412 | continue; |
1a0670f3 | 6413 | /* Fall through. */ |
f48ff2ae | 6414 | case 4: |
c0f3af97 | 6415 | case 5: |
c6fb90c8 | 6416 | overlap1 = operand_type_and (i.types[1], operand_types[1]); |
40fb9820 L |
6417 | if (!operand_type_match (overlap0, i.types[0]) |
6418 | || !operand_type_match (overlap1, i.types[1]) | |
e2195274 | 6419 | || ((check_register & 3) == 3 |
dc821c5f | 6420 | && !operand_type_register_match (i.types[0], |
40fb9820 | 6421 | operand_types[0], |
dc821c5f | 6422 | i.types[1], |
40fb9820 | 6423 | operand_types[1]))) |
29b0f896 AM |
6424 | { |
6425 | /* Check if other direction is valid ... */ | |
38e314eb | 6426 | if (!t->opcode_modifier.d) |
29b0f896 AM |
6427 | continue; |
6428 | ||
dc1e8a47 | 6429 | check_reverse: |
3ac21baa JB |
6430 | if (!(size_match & MATCH_REVERSE)) |
6431 | continue; | |
29b0f896 | 6432 | /* Try reversing direction of operands. */ |
f5eb1d70 JB |
6433 | overlap0 = operand_type_and (i.types[0], operand_types[i.operands - 1]); |
6434 | overlap1 = operand_type_and (i.types[i.operands - 1], operand_types[0]); | |
40fb9820 | 6435 | if (!operand_type_match (overlap0, i.types[0]) |
f5eb1d70 | 6436 | || !operand_type_match (overlap1, i.types[i.operands - 1]) |
45664ddb | 6437 | || (check_register |
dc821c5f | 6438 | && !operand_type_register_match (i.types[0], |
f5eb1d70 JB |
6439 | operand_types[i.operands - 1], |
6440 | i.types[i.operands - 1], | |
45664ddb | 6441 | operand_types[0]))) |
29b0f896 AM |
6442 | { |
6443 | /* Does not match either direction. */ | |
6444 | continue; | |
6445 | } | |
38e314eb | 6446 | /* found_reverse_match holds which of D or FloatR |
29b0f896 | 6447 | we've found. */ |
38e314eb JB |
6448 | if (!t->opcode_modifier.d) |
6449 | found_reverse_match = 0; | |
6450 | else if (operand_types[0].bitfield.tbyte) | |
8a2ed489 | 6451 | found_reverse_match = Opcode_FloatD; |
dbbc8b7e | 6452 | else if (operand_types[0].bitfield.xmmword |
f5eb1d70 | 6453 | || operand_types[i.operands - 1].bitfield.xmmword |
3528c362 JB |
6454 | || operand_types[0].bitfield.class == RegMMX |
6455 | || operand_types[i.operands - 1].bitfield.class == RegMMX | |
dbbc8b7e JB |
6456 | || is_any_vex_encoding(t)) |
6457 | found_reverse_match = (t->base_opcode & 0xee) != 0x6e | |
6458 | ? Opcode_SIMD_FloatD : Opcode_SIMD_IntD; | |
8a2ed489 | 6459 | else |
38e314eb | 6460 | found_reverse_match = Opcode_D; |
40fb9820 | 6461 | if (t->opcode_modifier.floatr) |
8a2ed489 | 6462 | found_reverse_match |= Opcode_FloatR; |
29b0f896 | 6463 | } |
f48ff2ae | 6464 | else |
29b0f896 | 6465 | { |
f48ff2ae | 6466 | /* Found a forward 2 operand match here. */ |
d1cbb4db L |
6467 | switch (t->operands) |
6468 | { | |
c0f3af97 L |
6469 | case 5: |
6470 | overlap4 = operand_type_and (i.types[4], | |
6471 | operand_types[4]); | |
1a0670f3 | 6472 | /* Fall through. */ |
d1cbb4db | 6473 | case 4: |
c6fb90c8 L |
6474 | overlap3 = operand_type_and (i.types[3], |
6475 | operand_types[3]); | |
1a0670f3 | 6476 | /* Fall through. */ |
d1cbb4db | 6477 | case 3: |
c6fb90c8 L |
6478 | overlap2 = operand_type_and (i.types[2], |
6479 | operand_types[2]); | |
d1cbb4db L |
6480 | break; |
6481 | } | |
29b0f896 | 6482 | |
f48ff2ae L |
6483 | switch (t->operands) |
6484 | { | |
c0f3af97 L |
6485 | case 5: |
6486 | if (!operand_type_match (overlap4, i.types[4]) | |
dc821c5f | 6487 | || !operand_type_register_match (i.types[3], |
c0f3af97 | 6488 | operand_types[3], |
c0f3af97 L |
6489 | i.types[4], |
6490 | operand_types[4])) | |
6491 | continue; | |
1a0670f3 | 6492 | /* Fall through. */ |
f48ff2ae | 6493 | case 4: |
40fb9820 | 6494 | if (!operand_type_match (overlap3, i.types[3]) |
e2195274 JB |
6495 | || ((check_register & 0xa) == 0xa |
6496 | && !operand_type_register_match (i.types[1], | |
f7768225 JB |
6497 | operand_types[1], |
6498 | i.types[3], | |
e2195274 JB |
6499 | operand_types[3])) |
6500 | || ((check_register & 0xc) == 0xc | |
6501 | && !operand_type_register_match (i.types[2], | |
6502 | operand_types[2], | |
6503 | i.types[3], | |
6504 | operand_types[3]))) | |
f48ff2ae | 6505 | continue; |
1a0670f3 | 6506 | /* Fall through. */ |
f48ff2ae L |
6507 | case 3: |
6508 | /* Here we make use of the fact that there are no | |
23e42951 | 6509 | reverse match 3 operand instructions. */ |
40fb9820 | 6510 | if (!operand_type_match (overlap2, i.types[2]) |
e2195274 JB |
6511 | || ((check_register & 5) == 5 |
6512 | && !operand_type_register_match (i.types[0], | |
23e42951 JB |
6513 | operand_types[0], |
6514 | i.types[2], | |
e2195274 JB |
6515 | operand_types[2])) |
6516 | || ((check_register & 6) == 6 | |
6517 | && !operand_type_register_match (i.types[1], | |
6518 | operand_types[1], | |
6519 | i.types[2], | |
6520 | operand_types[2]))) | |
f48ff2ae L |
6521 | continue; |
6522 | break; | |
6523 | } | |
29b0f896 | 6524 | } |
f48ff2ae | 6525 | /* Found either forward/reverse 2, 3 or 4 operand match here: |
29b0f896 AM |
6526 | slip through to break. */ |
6527 | } | |
c0f3af97 | 6528 | |
da4977e0 JB |
6529 | /* Check if vector operands are valid. */ |
6530 | if (check_VecOperands (t)) | |
6531 | { | |
6532 | specific_error = i.error; | |
6533 | continue; | |
6534 | } | |
6535 | ||
6536 | /* Check if VEX/EVEX encoding requirements can be satisfied. */ | |
6537 | if (VEX_check_encoding (t)) | |
5614d22c JB |
6538 | { |
6539 | specific_error = i.error; | |
6540 | continue; | |
6541 | } | |
a683cc34 | 6542 | |
29b0f896 AM |
6543 | /* We've found a match; break out of loop. */ |
6544 | break; | |
6545 | } | |
6546 | ||
6547 | if (t == current_templates->end) | |
6548 | { | |
6549 | /* We found no match. */ | |
a65babc9 | 6550 | const char *err_msg; |
5614d22c | 6551 | switch (specific_error ? specific_error : i.error) |
a65babc9 L |
6552 | { |
6553 | default: | |
6554 | abort (); | |
86e026a4 | 6555 | case operand_size_mismatch: |
a65babc9 L |
6556 | err_msg = _("operand size mismatch"); |
6557 | break; | |
6558 | case operand_type_mismatch: | |
6559 | err_msg = _("operand type mismatch"); | |
6560 | break; | |
6561 | case register_type_mismatch: | |
6562 | err_msg = _("register type mismatch"); | |
6563 | break; | |
6564 | case number_of_operands_mismatch: | |
6565 | err_msg = _("number of operands mismatch"); | |
6566 | break; | |
6567 | case invalid_instruction_suffix: | |
6568 | err_msg = _("invalid instruction suffix"); | |
6569 | break; | |
6570 | case bad_imm4: | |
4a2608e3 | 6571 | err_msg = _("constant doesn't fit in 4 bits"); |
a65babc9 | 6572 | break; |
a65babc9 L |
6573 | case unsupported_with_intel_mnemonic: |
6574 | err_msg = _("unsupported with Intel mnemonic"); | |
6575 | break; | |
6576 | case unsupported_syntax: | |
6577 | err_msg = _("unsupported syntax"); | |
6578 | break; | |
6579 | case unsupported: | |
35262a23 | 6580 | as_bad (_("unsupported instruction `%s'"), |
10efe3f6 L |
6581 | current_templates->start->name); |
6582 | return NULL; | |
6c30d220 L |
6583 | case invalid_vsib_address: |
6584 | err_msg = _("invalid VSIB address"); | |
6585 | break; | |
7bab8ab5 JB |
6586 | case invalid_vector_register_set: |
6587 | err_msg = _("mask, index, and destination registers must be distinct"); | |
6588 | break; | |
6c30d220 L |
6589 | case unsupported_vector_index_register: |
6590 | err_msg = _("unsupported vector index register"); | |
6591 | break; | |
43234a1e L |
6592 | case unsupported_broadcast: |
6593 | err_msg = _("unsupported broadcast"); | |
6594 | break; | |
43234a1e L |
6595 | case broadcast_needed: |
6596 | err_msg = _("broadcast is needed for operand of such type"); | |
6597 | break; | |
6598 | case unsupported_masking: | |
6599 | err_msg = _("unsupported masking"); | |
6600 | break; | |
6601 | case mask_not_on_destination: | |
6602 | err_msg = _("mask not on destination operand"); | |
6603 | break; | |
6604 | case no_default_mask: | |
6605 | err_msg = _("default mask isn't allowed"); | |
6606 | break; | |
6607 | case unsupported_rc_sae: | |
6608 | err_msg = _("unsupported static rounding/sae"); | |
6609 | break; | |
6610 | case rc_sae_operand_not_last_imm: | |
6611 | if (intel_syntax) | |
6612 | err_msg = _("RC/SAE operand must precede immediate operands"); | |
6613 | else | |
6614 | err_msg = _("RC/SAE operand must follow immediate operands"); | |
6615 | break; | |
6616 | case invalid_register_operand: | |
6617 | err_msg = _("invalid register operand"); | |
6618 | break; | |
a65babc9 L |
6619 | } |
6620 | as_bad (_("%s for `%s'"), err_msg, | |
891edac4 | 6621 | current_templates->start->name); |
fa99fab2 | 6622 | return NULL; |
29b0f896 | 6623 | } |
252b5132 | 6624 | |
29b0f896 AM |
6625 | if (!quiet_warnings) |
6626 | { | |
6627 | if (!intel_syntax | |
0cfa3eb3 | 6628 | && (i.jumpabsolute != (t->opcode_modifier.jump == JUMP_ABSOLUTE))) |
6f2f06be | 6629 | as_warn (_("indirect %s without `*'"), t->name); |
29b0f896 | 6630 | |
40fb9820 | 6631 | if (t->opcode_modifier.isprefix |
3cd7f3e3 | 6632 | && t->opcode_modifier.mnemonicsize == IGNORESIZE) |
29b0f896 AM |
6633 | { |
6634 | /* Warn them that a data or address size prefix doesn't | |
6635 | affect assembly of the next line of code. */ | |
6636 | as_warn (_("stand-alone `%s' prefix"), t->name); | |
6637 | } | |
6638 | } | |
6639 | ||
6640 | /* Copy the template we found. */ | |
6641 | i.tm = *t; | |
539e75ad L |
6642 | |
6643 | if (addr_prefix_disp != -1) | |
6644 | i.tm.operand_types[addr_prefix_disp] | |
6645 | = operand_types[addr_prefix_disp]; | |
6646 | ||
29b0f896 AM |
6647 | if (found_reverse_match) |
6648 | { | |
dfd69174 JB |
6649 | /* If we found a reverse match we must alter the opcode direction |
6650 | bit and clear/flip the regmem modifier one. found_reverse_match | |
6651 | holds bits to change (different for int & float insns). */ | |
29b0f896 AM |
6652 | |
6653 | i.tm.base_opcode ^= found_reverse_match; | |
6654 | ||
f5eb1d70 JB |
6655 | i.tm.operand_types[0] = operand_types[i.operands - 1]; |
6656 | i.tm.operand_types[i.operands - 1] = operand_types[0]; | |
dfd69174 JB |
6657 | |
6658 | /* Certain SIMD insns have their load forms specified in the opcode | |
6659 | table, and hence we need to _set_ RegMem instead of clearing it. | |
6660 | We need to avoid setting the bit though on insns like KMOVW. */ | |
6661 | i.tm.opcode_modifier.regmem | |
6662 | = i.tm.opcode_modifier.modrm && i.tm.opcode_modifier.d | |
6663 | && i.tm.operands > 2U - i.tm.opcode_modifier.sse2avx | |
6664 | && !i.tm.opcode_modifier.regmem; | |
29b0f896 AM |
6665 | } |
6666 | ||
fa99fab2 | 6667 | return t; |
29b0f896 AM |
6668 | } |
6669 | ||
6670 | static int | |
e3bb37b5 | 6671 | check_string (void) |
29b0f896 | 6672 | { |
51c8edf6 JB |
6673 | unsigned int es_op = i.tm.opcode_modifier.isstring - IS_STRING_ES_OP0; |
6674 | unsigned int op = i.tm.operand_types[0].bitfield.baseindex ? es_op : 0; | |
8dc0818e | 6675 | |
51c8edf6 | 6676 | if (i.seg[op] != NULL && i.seg[op] != &es) |
29b0f896 | 6677 | { |
51c8edf6 JB |
6678 | as_bad (_("`%s' operand %u must use `%ses' segment"), |
6679 | i.tm.name, | |
6680 | intel_syntax ? i.tm.operands - es_op : es_op + 1, | |
6681 | register_prefix); | |
6682 | return 0; | |
29b0f896 | 6683 | } |
51c8edf6 JB |
6684 | |
6685 | /* There's only ever one segment override allowed per instruction. | |
6686 | This instruction possibly has a legal segment override on the | |
6687 | second operand, so copy the segment to where non-string | |
6688 | instructions store it, allowing common code. */ | |
6689 | i.seg[op] = i.seg[1]; | |
6690 | ||
29b0f896 AM |
6691 | return 1; |
6692 | } | |
6693 | ||
6694 | static int | |
543613e9 | 6695 | process_suffix (void) |
29b0f896 AM |
6696 | { |
6697 | /* If matched instruction specifies an explicit instruction mnemonic | |
6698 | suffix, use it. */ | |
673fe0f0 | 6699 | if (i.tm.opcode_modifier.size == SIZE16) |
40fb9820 | 6700 | i.suffix = WORD_MNEM_SUFFIX; |
673fe0f0 | 6701 | else if (i.tm.opcode_modifier.size == SIZE32) |
40fb9820 | 6702 | i.suffix = LONG_MNEM_SUFFIX; |
673fe0f0 | 6703 | else if (i.tm.opcode_modifier.size == SIZE64) |
40fb9820 | 6704 | i.suffix = QWORD_MNEM_SUFFIX; |
13e600d0 | 6705 | else if (i.reg_operands |
c8f8eebc JB |
6706 | && (i.operands > 1 || i.types[0].bitfield.class == Reg) |
6707 | && !i.tm.opcode_modifier.addrprefixopreg) | |
29b0f896 | 6708 | { |
65fca059 JB |
6709 | unsigned int numop = i.operands; |
6710 | ||
6711 | /* movsx/movzx want only their source operand considered here, for the | |
6712 | ambiguity checking below. The suffix will be replaced afterwards | |
6713 | to represent the destination (register). */ | |
6714 | if (((i.tm.base_opcode | 8) == 0xfbe && i.tm.opcode_modifier.w) | |
6715 | || (i.tm.base_opcode == 0x63 && i.tm.cpu_flags.bitfield.cpu64)) | |
6716 | --i.operands; | |
6717 | ||
643bb870 JB |
6718 | /* crc32 needs REX.W set regardless of suffix / source operand size. */ |
6719 | if (i.tm.base_opcode == 0xf20f38f0 | |
6720 | && i.tm.operand_types[1].bitfield.qword) | |
6721 | i.rex |= REX_W; | |
6722 | ||
29b0f896 | 6723 | /* If there's no instruction mnemonic suffix we try to invent one |
13e600d0 | 6724 | based on GPR operands. */ |
29b0f896 AM |
6725 | if (!i.suffix) |
6726 | { | |
6727 | /* We take i.suffix from the last register operand specified, | |
6728 | Destination register type is more significant than source | |
381d071f L |
6729 | register type. crc32 in SSE4.2 prefers source register |
6730 | type. */ | |
1a035124 | 6731 | unsigned int op = i.tm.base_opcode != 0xf20f38f0 ? i.operands : 1; |
20592a94 | 6732 | |
1a035124 JB |
6733 | while (op--) |
6734 | if (i.tm.operand_types[op].bitfield.instance == InstanceNone | |
6735 | || i.tm.operand_types[op].bitfield.instance == Accum) | |
6736 | { | |
6737 | if (i.types[op].bitfield.class != Reg) | |
6738 | continue; | |
6739 | if (i.types[op].bitfield.byte) | |
6740 | i.suffix = BYTE_MNEM_SUFFIX; | |
6741 | else if (i.types[op].bitfield.word) | |
6742 | i.suffix = WORD_MNEM_SUFFIX; | |
6743 | else if (i.types[op].bitfield.dword) | |
6744 | i.suffix = LONG_MNEM_SUFFIX; | |
6745 | else if (i.types[op].bitfield.qword) | |
6746 | i.suffix = QWORD_MNEM_SUFFIX; | |
6747 | else | |
6748 | continue; | |
6749 | break; | |
6750 | } | |
65fca059 JB |
6751 | |
6752 | /* As an exception, movsx/movzx silently default to a byte source | |
6753 | in AT&T mode. */ | |
6754 | if ((i.tm.base_opcode | 8) == 0xfbe && i.tm.opcode_modifier.w | |
6755 | && !i.suffix && !intel_syntax) | |
6756 | i.suffix = BYTE_MNEM_SUFFIX; | |
29b0f896 AM |
6757 | } |
6758 | else if (i.suffix == BYTE_MNEM_SUFFIX) | |
6759 | { | |
2eb952a4 | 6760 | if (intel_syntax |
3cd7f3e3 | 6761 | && i.tm.opcode_modifier.mnemonicsize == IGNORESIZE |
2eb952a4 L |
6762 | && i.tm.opcode_modifier.no_bsuf) |
6763 | i.suffix = 0; | |
6764 | else if (!check_byte_reg ()) | |
29b0f896 AM |
6765 | return 0; |
6766 | } | |
6767 | else if (i.suffix == LONG_MNEM_SUFFIX) | |
6768 | { | |
2eb952a4 | 6769 | if (intel_syntax |
3cd7f3e3 | 6770 | && i.tm.opcode_modifier.mnemonicsize == IGNORESIZE |
9f123b91 JB |
6771 | && i.tm.opcode_modifier.no_lsuf |
6772 | && !i.tm.opcode_modifier.todword | |
6773 | && !i.tm.opcode_modifier.toqword) | |
2eb952a4 L |
6774 | i.suffix = 0; |
6775 | else if (!check_long_reg ()) | |
29b0f896 AM |
6776 | return 0; |
6777 | } | |
6778 | else if (i.suffix == QWORD_MNEM_SUFFIX) | |
6779 | { | |
955e1e6a | 6780 | if (intel_syntax |
3cd7f3e3 | 6781 | && i.tm.opcode_modifier.mnemonicsize == IGNORESIZE |
9f123b91 JB |
6782 | && i.tm.opcode_modifier.no_qsuf |
6783 | && !i.tm.opcode_modifier.todword | |
6784 | && !i.tm.opcode_modifier.toqword) | |
955e1e6a L |
6785 | i.suffix = 0; |
6786 | else if (!check_qword_reg ()) | |
29b0f896 AM |
6787 | return 0; |
6788 | } | |
6789 | else if (i.suffix == WORD_MNEM_SUFFIX) | |
6790 | { | |
2eb952a4 | 6791 | if (intel_syntax |
3cd7f3e3 | 6792 | && i.tm.opcode_modifier.mnemonicsize == IGNORESIZE |
2eb952a4 L |
6793 | && i.tm.opcode_modifier.no_wsuf) |
6794 | i.suffix = 0; | |
6795 | else if (!check_word_reg ()) | |
29b0f896 AM |
6796 | return 0; |
6797 | } | |
3cd7f3e3 L |
6798 | else if (intel_syntax |
6799 | && i.tm.opcode_modifier.mnemonicsize == IGNORESIZE) | |
29b0f896 AM |
6800 | /* Do nothing if the instruction is going to ignore the prefix. */ |
6801 | ; | |
6802 | else | |
6803 | abort (); | |
65fca059 JB |
6804 | |
6805 | /* Undo the movsx/movzx change done above. */ | |
6806 | i.operands = numop; | |
29b0f896 | 6807 | } |
3cd7f3e3 L |
6808 | else if (i.tm.opcode_modifier.mnemonicsize == DEFAULTSIZE |
6809 | && !i.suffix) | |
29b0f896 | 6810 | { |
13e600d0 JB |
6811 | i.suffix = stackop_size; |
6812 | if (stackop_size == LONG_MNEM_SUFFIX) | |
06f74c5c L |
6813 | { |
6814 | /* stackop_size is set to LONG_MNEM_SUFFIX for the | |
6815 | .code16gcc directive to support 16-bit mode with | |
6816 | 32-bit address. For IRET without a suffix, generate | |
6817 | 16-bit IRET (opcode 0xcf) to return from an interrupt | |
6818 | handler. */ | |
13e600d0 JB |
6819 | if (i.tm.base_opcode == 0xcf) |
6820 | { | |
6821 | i.suffix = WORD_MNEM_SUFFIX; | |
6822 | as_warn (_("generating 16-bit `iret' for .code16gcc directive")); | |
6823 | } | |
6824 | /* Warn about changed behavior for segment register push/pop. */ | |
6825 | else if ((i.tm.base_opcode | 1) == 0x07) | |
6826 | as_warn (_("generating 32-bit `%s', unlike earlier gas versions"), | |
6827 | i.tm.name); | |
06f74c5c | 6828 | } |
29b0f896 | 6829 | } |
c006a730 | 6830 | else if (!i.suffix |
0cfa3eb3 JB |
6831 | && (i.tm.opcode_modifier.jump == JUMP_ABSOLUTE |
6832 | || i.tm.opcode_modifier.jump == JUMP_BYTE | |
6833 | || i.tm.opcode_modifier.jump == JUMP_INTERSEGMENT | |
64e74474 AM |
6834 | || (i.tm.base_opcode == 0x0f01 /* [ls][gi]dt */ |
6835 | && i.tm.extension_opcode <= 3))) | |
9306ca4a JB |
6836 | { |
6837 | switch (flag_code) | |
6838 | { | |
6839 | case CODE_64BIT: | |
40fb9820 | 6840 | if (!i.tm.opcode_modifier.no_qsuf) |
9306ca4a | 6841 | { |
828c2a25 JB |
6842 | if (i.tm.opcode_modifier.jump == JUMP_BYTE |
6843 | || i.tm.opcode_modifier.no_lsuf) | |
6844 | i.suffix = QWORD_MNEM_SUFFIX; | |
9306ca4a JB |
6845 | break; |
6846 | } | |
1a0670f3 | 6847 | /* Fall through. */ |
9306ca4a | 6848 | case CODE_32BIT: |
40fb9820 | 6849 | if (!i.tm.opcode_modifier.no_lsuf) |
9306ca4a JB |
6850 | i.suffix = LONG_MNEM_SUFFIX; |
6851 | break; | |
6852 | case CODE_16BIT: | |
40fb9820 | 6853 | if (!i.tm.opcode_modifier.no_wsuf) |
9306ca4a JB |
6854 | i.suffix = WORD_MNEM_SUFFIX; |
6855 | break; | |
6856 | } | |
6857 | } | |
252b5132 | 6858 | |
c006a730 | 6859 | if (!i.suffix |
3cd7f3e3 | 6860 | && (i.tm.opcode_modifier.mnemonicsize != DEFAULTSIZE |
873494c8 JB |
6861 | /* Also cover lret/retf/iret in 64-bit mode. */ |
6862 | || (flag_code == CODE_64BIT | |
6863 | && !i.tm.opcode_modifier.no_lsuf | |
6864 | && !i.tm.opcode_modifier.no_qsuf)) | |
3cd7f3e3 | 6865 | && i.tm.opcode_modifier.mnemonicsize != IGNORESIZE |
62b3f548 JB |
6866 | /* Accept FLDENV et al without suffix. */ |
6867 | && (i.tm.opcode_modifier.no_ssuf || i.tm.opcode_modifier.floatmf)) | |
29b0f896 | 6868 | { |
6c0946d0 | 6869 | unsigned int suffixes, evex = 0; |
c006a730 JB |
6870 | |
6871 | suffixes = !i.tm.opcode_modifier.no_bsuf; | |
6872 | if (!i.tm.opcode_modifier.no_wsuf) | |
6873 | suffixes |= 1 << 1; | |
6874 | if (!i.tm.opcode_modifier.no_lsuf) | |
6875 | suffixes |= 1 << 2; | |
6876 | if (!i.tm.opcode_modifier.no_ldsuf) | |
6877 | suffixes |= 1 << 3; | |
6878 | if (!i.tm.opcode_modifier.no_ssuf) | |
6879 | suffixes |= 1 << 4; | |
6880 | if (flag_code == CODE_64BIT && !i.tm.opcode_modifier.no_qsuf) | |
6881 | suffixes |= 1 << 5; | |
6882 | ||
6c0946d0 JB |
6883 | /* For [XYZ]MMWORD operands inspect operand sizes. While generally |
6884 | also suitable for AT&T syntax mode, it was requested that this be | |
6885 | restricted to just Intel syntax. */ | |
b9915cbc | 6886 | if (intel_syntax && is_any_vex_encoding (&i.tm) && !i.broadcast) |
6c0946d0 | 6887 | { |
b9915cbc | 6888 | unsigned int op; |
6c0946d0 | 6889 | |
b9915cbc | 6890 | for (op = 0; op < i.tm.operands; ++op) |
6c0946d0 | 6891 | { |
b9915cbc JB |
6892 | if (is_evex_encoding (&i.tm) |
6893 | && !cpu_arch_flags.bitfield.cpuavx512vl) | |
6c0946d0 | 6894 | { |
b9915cbc JB |
6895 | if (i.tm.operand_types[op].bitfield.ymmword) |
6896 | i.tm.operand_types[op].bitfield.xmmword = 0; | |
6897 | if (i.tm.operand_types[op].bitfield.zmmword) | |
6898 | i.tm.operand_types[op].bitfield.ymmword = 0; | |
6899 | if (!i.tm.opcode_modifier.evex | |
6900 | || i.tm.opcode_modifier.evex == EVEXDYN) | |
6901 | i.tm.opcode_modifier.evex = EVEX512; | |
6902 | } | |
6c0946d0 | 6903 | |
b9915cbc JB |
6904 | if (i.tm.operand_types[op].bitfield.xmmword |
6905 | + i.tm.operand_types[op].bitfield.ymmword | |
6906 | + i.tm.operand_types[op].bitfield.zmmword < 2) | |
6907 | continue; | |
6c0946d0 | 6908 | |
b9915cbc JB |
6909 | /* Any properly sized operand disambiguates the insn. */ |
6910 | if (i.types[op].bitfield.xmmword | |
6911 | || i.types[op].bitfield.ymmword | |
6912 | || i.types[op].bitfield.zmmword) | |
6913 | { | |
6914 | suffixes &= ~(7 << 6); | |
6915 | evex = 0; | |
6916 | break; | |
6917 | } | |
6c0946d0 | 6918 | |
b9915cbc JB |
6919 | if ((i.flags[op] & Operand_Mem) |
6920 | && i.tm.operand_types[op].bitfield.unspecified) | |
6921 | { | |
6922 | if (i.tm.operand_types[op].bitfield.xmmword) | |
6923 | suffixes |= 1 << 6; | |
6924 | if (i.tm.operand_types[op].bitfield.ymmword) | |
6925 | suffixes |= 1 << 7; | |
6926 | if (i.tm.operand_types[op].bitfield.zmmword) | |
6927 | suffixes |= 1 << 8; | |
6928 | if (is_evex_encoding (&i.tm)) | |
6929 | evex = EVEX512; | |
6c0946d0 JB |
6930 | } |
6931 | } | |
6932 | } | |
6933 | ||
6934 | /* Are multiple suffixes / operand sizes allowed? */ | |
c006a730 | 6935 | if (suffixes & (suffixes - 1)) |
9306ca4a | 6936 | { |
873494c8 | 6937 | if (intel_syntax |
3cd7f3e3 | 6938 | && (i.tm.opcode_modifier.mnemonicsize != DEFAULTSIZE |
873494c8 | 6939 | || operand_check == check_error)) |
9306ca4a | 6940 | { |
c006a730 | 6941 | as_bad (_("ambiguous operand size for `%s'"), i.tm.name); |
9306ca4a JB |
6942 | return 0; |
6943 | } | |
c006a730 | 6944 | if (operand_check == check_error) |
9306ca4a | 6945 | { |
c006a730 JB |
6946 | as_bad (_("no instruction mnemonic suffix given and " |
6947 | "no register operands; can't size `%s'"), i.tm.name); | |
9306ca4a JB |
6948 | return 0; |
6949 | } | |
c006a730 | 6950 | if (operand_check == check_warning) |
873494c8 JB |
6951 | as_warn (_("%s; using default for `%s'"), |
6952 | intel_syntax | |
6953 | ? _("ambiguous operand size") | |
6954 | : _("no instruction mnemonic suffix given and " | |
6955 | "no register operands"), | |
6956 | i.tm.name); | |
c006a730 JB |
6957 | |
6958 | if (i.tm.opcode_modifier.floatmf) | |
6959 | i.suffix = SHORT_MNEM_SUFFIX; | |
65fca059 JB |
6960 | else if ((i.tm.base_opcode | 8) == 0xfbe |
6961 | || (i.tm.base_opcode == 0x63 | |
6962 | && i.tm.cpu_flags.bitfield.cpu64)) | |
6963 | /* handled below */; | |
6c0946d0 JB |
6964 | else if (evex) |
6965 | i.tm.opcode_modifier.evex = evex; | |
c006a730 JB |
6966 | else if (flag_code == CODE_16BIT) |
6967 | i.suffix = WORD_MNEM_SUFFIX; | |
1a035124 | 6968 | else if (!i.tm.opcode_modifier.no_lsuf) |
c006a730 | 6969 | i.suffix = LONG_MNEM_SUFFIX; |
1a035124 JB |
6970 | else |
6971 | i.suffix = QWORD_MNEM_SUFFIX; | |
9306ca4a | 6972 | } |
29b0f896 | 6973 | } |
252b5132 | 6974 | |
65fca059 JB |
6975 | if ((i.tm.base_opcode | 8) == 0xfbe |
6976 | || (i.tm.base_opcode == 0x63 && i.tm.cpu_flags.bitfield.cpu64)) | |
6977 | { | |
6978 | /* In Intel syntax, movsx/movzx must have a "suffix" (checked above). | |
6979 | In AT&T syntax, if there is no suffix (warned about above), the default | |
6980 | will be byte extension. */ | |
6981 | if (i.tm.opcode_modifier.w && i.suffix && i.suffix != BYTE_MNEM_SUFFIX) | |
6982 | i.tm.base_opcode |= 1; | |
6983 | ||
6984 | /* For further processing, the suffix should represent the destination | |
6985 | (register). This is already the case when one was used with | |
6986 | mov[sz][bw]*, but we need to replace it for mov[sz]x, or if there was | |
6987 | no suffix to begin with. */ | |
6988 | if (i.tm.opcode_modifier.w || i.tm.base_opcode == 0x63 || !i.suffix) | |
6989 | { | |
6990 | if (i.types[1].bitfield.word) | |
6991 | i.suffix = WORD_MNEM_SUFFIX; | |
6992 | else if (i.types[1].bitfield.qword) | |
6993 | i.suffix = QWORD_MNEM_SUFFIX; | |
6994 | else | |
6995 | i.suffix = LONG_MNEM_SUFFIX; | |
6996 | ||
6997 | i.tm.opcode_modifier.w = 0; | |
6998 | } | |
6999 | } | |
7000 | ||
50128d0c JB |
7001 | if (!i.tm.opcode_modifier.modrm && i.reg_operands && i.tm.operands < 3) |
7002 | i.short_form = (i.tm.operand_types[0].bitfield.class == Reg) | |
7003 | != (i.tm.operand_types[1].bitfield.class == Reg); | |
7004 | ||
d2224064 JB |
7005 | /* Change the opcode based on the operand size given by i.suffix. */ |
7006 | switch (i.suffix) | |
29b0f896 | 7007 | { |
d2224064 JB |
7008 | /* Size floating point instruction. */ |
7009 | case LONG_MNEM_SUFFIX: | |
7010 | if (i.tm.opcode_modifier.floatmf) | |
7011 | { | |
7012 | i.tm.base_opcode ^= 4; | |
7013 | break; | |
7014 | } | |
7015 | /* fall through */ | |
7016 | case WORD_MNEM_SUFFIX: | |
7017 | case QWORD_MNEM_SUFFIX: | |
29b0f896 | 7018 | /* It's not a byte, select word/dword operation. */ |
40fb9820 | 7019 | if (i.tm.opcode_modifier.w) |
29b0f896 | 7020 | { |
50128d0c | 7021 | if (i.short_form) |
29b0f896 AM |
7022 | i.tm.base_opcode |= 8; |
7023 | else | |
7024 | i.tm.base_opcode |= 1; | |
7025 | } | |
d2224064 JB |
7026 | /* fall through */ |
7027 | case SHORT_MNEM_SUFFIX: | |
29b0f896 AM |
7028 | /* Now select between word & dword operations via the operand |
7029 | size prefix, except for instructions that will ignore this | |
7030 | prefix anyway. */ | |
c8f8eebc | 7031 | if (i.suffix != QWORD_MNEM_SUFFIX |
3cd7f3e3 | 7032 | && i.tm.opcode_modifier.mnemonicsize != IGNORESIZE |
c8f8eebc JB |
7033 | && !i.tm.opcode_modifier.floatmf |
7034 | && !is_any_vex_encoding (&i.tm) | |
7035 | && ((i.suffix == LONG_MNEM_SUFFIX) == (flag_code == CODE_16BIT) | |
7036 | || (flag_code == CODE_64BIT | |
7037 | && i.tm.opcode_modifier.jump == JUMP_BYTE))) | |
24eab124 AM |
7038 | { |
7039 | unsigned int prefix = DATA_PREFIX_OPCODE; | |
543613e9 | 7040 | |
0cfa3eb3 | 7041 | if (i.tm.opcode_modifier.jump == JUMP_BYTE) /* jcxz, loop */ |
29b0f896 | 7042 | prefix = ADDR_PREFIX_OPCODE; |
252b5132 | 7043 | |
29b0f896 AM |
7044 | if (!add_prefix (prefix)) |
7045 | return 0; | |
24eab124 | 7046 | } |
252b5132 | 7047 | |
29b0f896 AM |
7048 | /* Set mode64 for an operand. */ |
7049 | if (i.suffix == QWORD_MNEM_SUFFIX | |
9146926a | 7050 | && flag_code == CODE_64BIT |
d2224064 | 7051 | && !i.tm.opcode_modifier.norex64 |
4ed21b58 | 7052 | && !i.tm.opcode_modifier.vexw |
46e883c5 | 7053 | /* Special case for xchg %rax,%rax. It is NOP and doesn't |
d2224064 JB |
7054 | need rex64. */ |
7055 | && ! (i.operands == 2 | |
7056 | && i.tm.base_opcode == 0x90 | |
7057 | && i.tm.extension_opcode == None | |
75e5731b JB |
7058 | && i.types[0].bitfield.instance == Accum |
7059 | && i.types[0].bitfield.qword | |
7060 | && i.types[1].bitfield.instance == Accum | |
7061 | && i.types[1].bitfield.qword)) | |
d2224064 | 7062 | i.rex |= REX_W; |
3e73aa7c | 7063 | |
d2224064 | 7064 | break; |
29b0f896 | 7065 | } |
7ecd2f8b | 7066 | |
c8f8eebc | 7067 | if (i.tm.opcode_modifier.addrprefixopreg) |
c0a30a9f | 7068 | { |
c8f8eebc JB |
7069 | gas_assert (!i.suffix); |
7070 | gas_assert (i.reg_operands); | |
c0a30a9f | 7071 | |
c8f8eebc JB |
7072 | if (i.tm.operand_types[0].bitfield.instance == Accum |
7073 | || i.operands == 1) | |
7074 | { | |
7075 | /* The address size override prefix changes the size of the | |
7076 | first operand. */ | |
7077 | if (flag_code == CODE_64BIT | |
7078 | && i.op[0].regs->reg_type.bitfield.word) | |
7079 | { | |
7080 | as_bad (_("16-bit addressing unavailable for `%s'"), | |
7081 | i.tm.name); | |
7082 | return 0; | |
7083 | } | |
7084 | ||
7085 | if ((flag_code == CODE_32BIT | |
7086 | ? i.op[0].regs->reg_type.bitfield.word | |
7087 | : i.op[0].regs->reg_type.bitfield.dword) | |
7088 | && !add_prefix (ADDR_PREFIX_OPCODE)) | |
7089 | return 0; | |
7090 | } | |
c0a30a9f L |
7091 | else |
7092 | { | |
c8f8eebc JB |
7093 | /* Check invalid register operand when the address size override |
7094 | prefix changes the size of register operands. */ | |
7095 | unsigned int op; | |
7096 | enum { need_word, need_dword, need_qword } need; | |
7097 | ||
7098 | if (flag_code == CODE_32BIT) | |
7099 | need = i.prefix[ADDR_PREFIX] ? need_word : need_dword; | |
7100 | else if (i.prefix[ADDR_PREFIX]) | |
c0a30a9f L |
7101 | need = need_dword; |
7102 | else | |
7103 | need = flag_code == CODE_64BIT ? need_qword : need_word; | |
c0a30a9f | 7104 | |
c8f8eebc JB |
7105 | for (op = 0; op < i.operands; op++) |
7106 | { | |
7107 | if (i.types[op].bitfield.class != Reg) | |
7108 | continue; | |
7109 | ||
7110 | switch (need) | |
7111 | { | |
7112 | case need_word: | |
7113 | if (i.op[op].regs->reg_type.bitfield.word) | |
7114 | continue; | |
7115 | break; | |
7116 | case need_dword: | |
7117 | if (i.op[op].regs->reg_type.bitfield.dword) | |
7118 | continue; | |
7119 | break; | |
7120 | case need_qword: | |
7121 | if (i.op[op].regs->reg_type.bitfield.qword) | |
7122 | continue; | |
7123 | break; | |
7124 | } | |
7125 | ||
7126 | as_bad (_("invalid register operand size for `%s'"), | |
7127 | i.tm.name); | |
7128 | return 0; | |
7129 | } | |
7130 | } | |
c0a30a9f L |
7131 | } |
7132 | ||
29b0f896 AM |
7133 | return 1; |
7134 | } | |
3e73aa7c | 7135 | |
29b0f896 | 7136 | static int |
543613e9 | 7137 | check_byte_reg (void) |
29b0f896 AM |
7138 | { |
7139 | int op; | |
543613e9 | 7140 | |
29b0f896 AM |
7141 | for (op = i.operands; --op >= 0;) |
7142 | { | |
dc821c5f | 7143 | /* Skip non-register operands. */ |
bab6aec1 | 7144 | if (i.types[op].bitfield.class != Reg) |
dc821c5f JB |
7145 | continue; |
7146 | ||
29b0f896 AM |
7147 | /* If this is an eight bit register, it's OK. If it's the 16 or |
7148 | 32 bit version of an eight bit register, we will just use the | |
7149 | low portion, and that's OK too. */ | |
dc821c5f | 7150 | if (i.types[op].bitfield.byte) |
29b0f896 AM |
7151 | continue; |
7152 | ||
5a819eb9 | 7153 | /* I/O port address operands are OK too. */ |
75e5731b JB |
7154 | if (i.tm.operand_types[op].bitfield.instance == RegD |
7155 | && i.tm.operand_types[op].bitfield.word) | |
5a819eb9 JB |
7156 | continue; |
7157 | ||
9706160a JB |
7158 | /* crc32 only wants its source operand checked here. */ |
7159 | if (i.tm.base_opcode == 0xf20f38f0 && op) | |
9344ff29 L |
7160 | continue; |
7161 | ||
29b0f896 | 7162 | /* Any other register is bad. */ |
73c76375 JB |
7163 | as_bad (_("`%s%s' not allowed with `%s%c'"), |
7164 | register_prefix, i.op[op].regs->reg_name, | |
7165 | i.tm.name, i.suffix); | |
7166 | return 0; | |
29b0f896 AM |
7167 | } |
7168 | return 1; | |
7169 | } | |
7170 | ||
7171 | static int | |
e3bb37b5 | 7172 | check_long_reg (void) |
29b0f896 AM |
7173 | { |
7174 | int op; | |
7175 | ||
7176 | for (op = i.operands; --op >= 0;) | |
dc821c5f | 7177 | /* Skip non-register operands. */ |
bab6aec1 | 7178 | if (i.types[op].bitfield.class != Reg) |
dc821c5f | 7179 | continue; |
29b0f896 AM |
7180 | /* Reject eight bit registers, except where the template requires |
7181 | them. (eg. movzb) */ | |
dc821c5f | 7182 | else if (i.types[op].bitfield.byte |
bab6aec1 | 7183 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7184 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f JB |
7185 | && (i.tm.operand_types[op].bitfield.word |
7186 | || i.tm.operand_types[op].bitfield.dword)) | |
29b0f896 | 7187 | { |
a540244d L |
7188 | as_bad (_("`%s%s' not allowed with `%s%c'"), |
7189 | register_prefix, | |
29b0f896 AM |
7190 | i.op[op].regs->reg_name, |
7191 | i.tm.name, | |
7192 | i.suffix); | |
7193 | return 0; | |
7194 | } | |
be4c5e58 L |
7195 | /* Error if the e prefix on a general reg is missing. */ |
7196 | else if (i.types[op].bitfield.word | |
bab6aec1 | 7197 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7198 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f | 7199 | && i.tm.operand_types[op].bitfield.dword) |
29b0f896 | 7200 | { |
be4c5e58 L |
7201 | as_bad (_("incorrect register `%s%s' used with `%c' suffix"), |
7202 | register_prefix, i.op[op].regs->reg_name, | |
7203 | i.suffix); | |
7204 | return 0; | |
252b5132 | 7205 | } |
e4630f71 | 7206 | /* Warn if the r prefix on a general reg is present. */ |
dc821c5f | 7207 | else if (i.types[op].bitfield.qword |
bab6aec1 | 7208 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7209 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f | 7210 | && i.tm.operand_types[op].bitfield.dword) |
252b5132 | 7211 | { |
34828aad | 7212 | if (intel_syntax |
65fca059 | 7213 | && i.tm.opcode_modifier.toqword |
3528c362 | 7214 | && i.types[0].bitfield.class != RegSIMD) |
34828aad | 7215 | { |
ca61edf2 | 7216 | /* Convert to QWORD. We want REX byte. */ |
34828aad L |
7217 | i.suffix = QWORD_MNEM_SUFFIX; |
7218 | } | |
7219 | else | |
7220 | { | |
2b5d6a91 | 7221 | as_bad (_("incorrect register `%s%s' used with `%c' suffix"), |
34828aad L |
7222 | register_prefix, i.op[op].regs->reg_name, |
7223 | i.suffix); | |
7224 | return 0; | |
7225 | } | |
29b0f896 AM |
7226 | } |
7227 | return 1; | |
7228 | } | |
252b5132 | 7229 | |
29b0f896 | 7230 | static int |
e3bb37b5 | 7231 | check_qword_reg (void) |
29b0f896 AM |
7232 | { |
7233 | int op; | |
252b5132 | 7234 | |
29b0f896 | 7235 | for (op = i.operands; --op >= 0; ) |
dc821c5f | 7236 | /* Skip non-register operands. */ |
bab6aec1 | 7237 | if (i.types[op].bitfield.class != Reg) |
dc821c5f | 7238 | continue; |
29b0f896 AM |
7239 | /* Reject eight bit registers, except where the template requires |
7240 | them. (eg. movzb) */ | |
dc821c5f | 7241 | else if (i.types[op].bitfield.byte |
bab6aec1 | 7242 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7243 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f JB |
7244 | && (i.tm.operand_types[op].bitfield.word |
7245 | || i.tm.operand_types[op].bitfield.dword)) | |
29b0f896 | 7246 | { |
a540244d L |
7247 | as_bad (_("`%s%s' not allowed with `%s%c'"), |
7248 | register_prefix, | |
29b0f896 AM |
7249 | i.op[op].regs->reg_name, |
7250 | i.tm.name, | |
7251 | i.suffix); | |
7252 | return 0; | |
7253 | } | |
e4630f71 | 7254 | /* Warn if the r prefix on a general reg is missing. */ |
dc821c5f JB |
7255 | else if ((i.types[op].bitfield.word |
7256 | || i.types[op].bitfield.dword) | |
bab6aec1 | 7257 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7258 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f | 7259 | && i.tm.operand_types[op].bitfield.qword) |
29b0f896 AM |
7260 | { |
7261 | /* Prohibit these changes in the 64bit mode, since the | |
7262 | lowering is more complicated. */ | |
34828aad | 7263 | if (intel_syntax |
ca61edf2 | 7264 | && i.tm.opcode_modifier.todword |
3528c362 | 7265 | && i.types[0].bitfield.class != RegSIMD) |
34828aad | 7266 | { |
ca61edf2 | 7267 | /* Convert to DWORD. We don't want REX byte. */ |
34828aad L |
7268 | i.suffix = LONG_MNEM_SUFFIX; |
7269 | } | |
7270 | else | |
7271 | { | |
2b5d6a91 | 7272 | as_bad (_("incorrect register `%s%s' used with `%c' suffix"), |
34828aad L |
7273 | register_prefix, i.op[op].regs->reg_name, |
7274 | i.suffix); | |
7275 | return 0; | |
7276 | } | |
252b5132 | 7277 | } |
29b0f896 AM |
7278 | return 1; |
7279 | } | |
252b5132 | 7280 | |
29b0f896 | 7281 | static int |
e3bb37b5 | 7282 | check_word_reg (void) |
29b0f896 AM |
7283 | { |
7284 | int op; | |
7285 | for (op = i.operands; --op >= 0;) | |
dc821c5f | 7286 | /* Skip non-register operands. */ |
bab6aec1 | 7287 | if (i.types[op].bitfield.class != Reg) |
dc821c5f | 7288 | continue; |
29b0f896 AM |
7289 | /* Reject eight bit registers, except where the template requires |
7290 | them. (eg. movzb) */ | |
dc821c5f | 7291 | else if (i.types[op].bitfield.byte |
bab6aec1 | 7292 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7293 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f JB |
7294 | && (i.tm.operand_types[op].bitfield.word |
7295 | || i.tm.operand_types[op].bitfield.dword)) | |
29b0f896 | 7296 | { |
a540244d L |
7297 | as_bad (_("`%s%s' not allowed with `%s%c'"), |
7298 | register_prefix, | |
29b0f896 AM |
7299 | i.op[op].regs->reg_name, |
7300 | i.tm.name, | |
7301 | i.suffix); | |
7302 | return 0; | |
7303 | } | |
9706160a JB |
7304 | /* Error if the e or r prefix on a general reg is present. */ |
7305 | else if ((i.types[op].bitfield.dword | |
dc821c5f | 7306 | || i.types[op].bitfield.qword) |
bab6aec1 | 7307 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7308 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f | 7309 | && i.tm.operand_types[op].bitfield.word) |
252b5132 | 7310 | { |
9706160a JB |
7311 | as_bad (_("incorrect register `%s%s' used with `%c' suffix"), |
7312 | register_prefix, i.op[op].regs->reg_name, | |
7313 | i.suffix); | |
7314 | return 0; | |
29b0f896 AM |
7315 | } |
7316 | return 1; | |
7317 | } | |
252b5132 | 7318 | |
29b0f896 | 7319 | static int |
40fb9820 | 7320 | update_imm (unsigned int j) |
29b0f896 | 7321 | { |
bc0844ae | 7322 | i386_operand_type overlap = i.types[j]; |
40fb9820 L |
7323 | if ((overlap.bitfield.imm8 |
7324 | || overlap.bitfield.imm8s | |
7325 | || overlap.bitfield.imm16 | |
7326 | || overlap.bitfield.imm32 | |
7327 | || overlap.bitfield.imm32s | |
7328 | || overlap.bitfield.imm64) | |
0dfbf9d7 L |
7329 | && !operand_type_equal (&overlap, &imm8) |
7330 | && !operand_type_equal (&overlap, &imm8s) | |
7331 | && !operand_type_equal (&overlap, &imm16) | |
7332 | && !operand_type_equal (&overlap, &imm32) | |
7333 | && !operand_type_equal (&overlap, &imm32s) | |
7334 | && !operand_type_equal (&overlap, &imm64)) | |
29b0f896 AM |
7335 | { |
7336 | if (i.suffix) | |
7337 | { | |
40fb9820 L |
7338 | i386_operand_type temp; |
7339 | ||
0dfbf9d7 | 7340 | operand_type_set (&temp, 0); |
7ab9ffdd | 7341 | if (i.suffix == BYTE_MNEM_SUFFIX) |
40fb9820 L |
7342 | { |
7343 | temp.bitfield.imm8 = overlap.bitfield.imm8; | |
7344 | temp.bitfield.imm8s = overlap.bitfield.imm8s; | |
7345 | } | |
7346 | else if (i.suffix == WORD_MNEM_SUFFIX) | |
7347 | temp.bitfield.imm16 = overlap.bitfield.imm16; | |
7348 | else if (i.suffix == QWORD_MNEM_SUFFIX) | |
7349 | { | |
7350 | temp.bitfield.imm64 = overlap.bitfield.imm64; | |
7351 | temp.bitfield.imm32s = overlap.bitfield.imm32s; | |
7352 | } | |
7353 | else | |
7354 | temp.bitfield.imm32 = overlap.bitfield.imm32; | |
7355 | overlap = temp; | |
29b0f896 | 7356 | } |
0dfbf9d7 L |
7357 | else if (operand_type_equal (&overlap, &imm16_32_32s) |
7358 | || operand_type_equal (&overlap, &imm16_32) | |
7359 | || operand_type_equal (&overlap, &imm16_32s)) | |
29b0f896 | 7360 | { |
40fb9820 | 7361 | if ((flag_code == CODE_16BIT) ^ (i.prefix[DATA_PREFIX] != 0)) |
65da13b5 | 7362 | overlap = imm16; |
40fb9820 | 7363 | else |
65da13b5 | 7364 | overlap = imm32s; |
29b0f896 | 7365 | } |
0dfbf9d7 L |
7366 | if (!operand_type_equal (&overlap, &imm8) |
7367 | && !operand_type_equal (&overlap, &imm8s) | |
7368 | && !operand_type_equal (&overlap, &imm16) | |
7369 | && !operand_type_equal (&overlap, &imm32) | |
7370 | && !operand_type_equal (&overlap, &imm32s) | |
7371 | && !operand_type_equal (&overlap, &imm64)) | |
29b0f896 | 7372 | { |
4eed87de AM |
7373 | as_bad (_("no instruction mnemonic suffix given; " |
7374 | "can't determine immediate size")); | |
29b0f896 AM |
7375 | return 0; |
7376 | } | |
7377 | } | |
40fb9820 | 7378 | i.types[j] = overlap; |
29b0f896 | 7379 | |
40fb9820 L |
7380 | return 1; |
7381 | } | |
7382 | ||
7383 | static int | |
7384 | finalize_imm (void) | |
7385 | { | |
bc0844ae | 7386 | unsigned int j, n; |
29b0f896 | 7387 | |
bc0844ae L |
7388 | /* Update the first 2 immediate operands. */ |
7389 | n = i.operands > 2 ? 2 : i.operands; | |
7390 | if (n) | |
7391 | { | |
7392 | for (j = 0; j < n; j++) | |
7393 | if (update_imm (j) == 0) | |
7394 | return 0; | |
40fb9820 | 7395 | |
bc0844ae L |
7396 | /* The 3rd operand can't be immediate operand. */ |
7397 | gas_assert (operand_type_check (i.types[2], imm) == 0); | |
7398 | } | |
29b0f896 AM |
7399 | |
7400 | return 1; | |
7401 | } | |
7402 | ||
7403 | static int | |
e3bb37b5 | 7404 | process_operands (void) |
29b0f896 AM |
7405 | { |
7406 | /* Default segment register this instruction will use for memory | |
7407 | accesses. 0 means unknown. This is only for optimizing out | |
7408 | unnecessary segment overrides. */ | |
7409 | const seg_entry *default_seg = 0; | |
7410 | ||
a5aeccd9 JB |
7411 | if (i.tm.opcode_modifier.sse2avx) |
7412 | { | |
7413 | /* Legacy encoded insns allow explicit REX prefixes, so these prefixes | |
7414 | need converting. */ | |
7415 | i.rex |= i.prefix[REX_PREFIX] & (REX_W | REX_R | REX_X | REX_B); | |
7416 | i.prefix[REX_PREFIX] = 0; | |
7417 | i.rex_encoding = 0; | |
7418 | } | |
7419 | ||
2426c15f | 7420 | if (i.tm.opcode_modifier.sse2avx && i.tm.opcode_modifier.vexvvvv) |
29b0f896 | 7421 | { |
91d6fa6a NC |
7422 | unsigned int dupl = i.operands; |
7423 | unsigned int dest = dupl - 1; | |
9fcfb3d7 L |
7424 | unsigned int j; |
7425 | ||
c0f3af97 | 7426 | /* The destination must be an xmm register. */ |
9c2799c2 | 7427 | gas_assert (i.reg_operands |
91d6fa6a | 7428 | && MAX_OPERANDS > dupl |
7ab9ffdd | 7429 | && operand_type_equal (&i.types[dest], ®xmm)); |
c0f3af97 | 7430 | |
75e5731b | 7431 | if (i.tm.operand_types[0].bitfield.instance == Accum |
1b54b8d7 | 7432 | && i.tm.operand_types[0].bitfield.xmmword) |
e2ec9d29 | 7433 | { |
8cd7925b | 7434 | if (i.tm.opcode_modifier.vexsources == VEX3SOURCES) |
c0f3af97 L |
7435 | { |
7436 | /* Keep xmm0 for instructions with VEX prefix and 3 | |
7437 | sources. */ | |
75e5731b | 7438 | i.tm.operand_types[0].bitfield.instance = InstanceNone; |
3528c362 | 7439 | i.tm.operand_types[0].bitfield.class = RegSIMD; |
c0f3af97 L |
7440 | goto duplicate; |
7441 | } | |
e2ec9d29 | 7442 | else |
c0f3af97 L |
7443 | { |
7444 | /* We remove the first xmm0 and keep the number of | |
7445 | operands unchanged, which in fact duplicates the | |
7446 | destination. */ | |
7447 | for (j = 1; j < i.operands; j++) | |
7448 | { | |
7449 | i.op[j - 1] = i.op[j]; | |
7450 | i.types[j - 1] = i.types[j]; | |
7451 | i.tm.operand_types[j - 1] = i.tm.operand_types[j]; | |
8dc0818e | 7452 | i.flags[j - 1] = i.flags[j]; |
c0f3af97 L |
7453 | } |
7454 | } | |
7455 | } | |
7456 | else if (i.tm.opcode_modifier.implicit1stxmm0) | |
7ab9ffdd | 7457 | { |
91d6fa6a | 7458 | gas_assert ((MAX_OPERANDS - 1) > dupl |
8cd7925b L |
7459 | && (i.tm.opcode_modifier.vexsources |
7460 | == VEX3SOURCES)); | |
c0f3af97 L |
7461 | |
7462 | /* Add the implicit xmm0 for instructions with VEX prefix | |
7463 | and 3 sources. */ | |
7464 | for (j = i.operands; j > 0; j--) | |
7465 | { | |
7466 | i.op[j] = i.op[j - 1]; | |
7467 | i.types[j] = i.types[j - 1]; | |
7468 | i.tm.operand_types[j] = i.tm.operand_types[j - 1]; | |
8dc0818e | 7469 | i.flags[j] = i.flags[j - 1]; |
c0f3af97 L |
7470 | } |
7471 | i.op[0].regs | |
7472 | = (const reg_entry *) hash_find (reg_hash, "xmm0"); | |
7ab9ffdd | 7473 | i.types[0] = regxmm; |
c0f3af97 L |
7474 | i.tm.operand_types[0] = regxmm; |
7475 | ||
7476 | i.operands += 2; | |
7477 | i.reg_operands += 2; | |
7478 | i.tm.operands += 2; | |
7479 | ||
91d6fa6a | 7480 | dupl++; |
c0f3af97 | 7481 | dest++; |
91d6fa6a NC |
7482 | i.op[dupl] = i.op[dest]; |
7483 | i.types[dupl] = i.types[dest]; | |
7484 | i.tm.operand_types[dupl] = i.tm.operand_types[dest]; | |
8dc0818e | 7485 | i.flags[dupl] = i.flags[dest]; |
e2ec9d29 | 7486 | } |
c0f3af97 L |
7487 | else |
7488 | { | |
dc1e8a47 | 7489 | duplicate: |
c0f3af97 L |
7490 | i.operands++; |
7491 | i.reg_operands++; | |
7492 | i.tm.operands++; | |
7493 | ||
91d6fa6a NC |
7494 | i.op[dupl] = i.op[dest]; |
7495 | i.types[dupl] = i.types[dest]; | |
7496 | i.tm.operand_types[dupl] = i.tm.operand_types[dest]; | |
8dc0818e | 7497 | i.flags[dupl] = i.flags[dest]; |
c0f3af97 L |
7498 | } |
7499 | ||
7500 | if (i.tm.opcode_modifier.immext) | |
7501 | process_immext (); | |
7502 | } | |
75e5731b | 7503 | else if (i.tm.operand_types[0].bitfield.instance == Accum |
1b54b8d7 | 7504 | && i.tm.operand_types[0].bitfield.xmmword) |
c0f3af97 L |
7505 | { |
7506 | unsigned int j; | |
7507 | ||
9fcfb3d7 L |
7508 | for (j = 1; j < i.operands; j++) |
7509 | { | |
7510 | i.op[j - 1] = i.op[j]; | |
7511 | i.types[j - 1] = i.types[j]; | |
7512 | ||
7513 | /* We need to adjust fields in i.tm since they are used by | |
7514 | build_modrm_byte. */ | |
7515 | i.tm.operand_types [j - 1] = i.tm.operand_types [j]; | |
8dc0818e JB |
7516 | |
7517 | i.flags[j - 1] = i.flags[j]; | |
9fcfb3d7 L |
7518 | } |
7519 | ||
e2ec9d29 L |
7520 | i.operands--; |
7521 | i.reg_operands--; | |
e2ec9d29 L |
7522 | i.tm.operands--; |
7523 | } | |
920d2ddc IT |
7524 | else if (i.tm.opcode_modifier.implicitquadgroup) |
7525 | { | |
a477a8c4 JB |
7526 | unsigned int regnum, first_reg_in_group, last_reg_in_group; |
7527 | ||
920d2ddc | 7528 | /* The second operand must be {x,y,z}mmN, where N is a multiple of 4. */ |
3528c362 | 7529 | gas_assert (i.operands >= 2 && i.types[1].bitfield.class == RegSIMD); |
a477a8c4 JB |
7530 | regnum = register_number (i.op[1].regs); |
7531 | first_reg_in_group = regnum & ~3; | |
7532 | last_reg_in_group = first_reg_in_group + 3; | |
7533 | if (regnum != first_reg_in_group) | |
7534 | as_warn (_("source register `%s%s' implicitly denotes" | |
7535 | " `%s%.3s%u' to `%s%.3s%u' source group in `%s'"), | |
7536 | register_prefix, i.op[1].regs->reg_name, | |
7537 | register_prefix, i.op[1].regs->reg_name, first_reg_in_group, | |
7538 | register_prefix, i.op[1].regs->reg_name, last_reg_in_group, | |
7539 | i.tm.name); | |
7540 | } | |
e2ec9d29 L |
7541 | else if (i.tm.opcode_modifier.regkludge) |
7542 | { | |
7543 | /* The imul $imm, %reg instruction is converted into | |
7544 | imul $imm, %reg, %reg, and the clr %reg instruction | |
7545 | is converted into xor %reg, %reg. */ | |
7546 | ||
7547 | unsigned int first_reg_op; | |
7548 | ||
7549 | if (operand_type_check (i.types[0], reg)) | |
7550 | first_reg_op = 0; | |
7551 | else | |
7552 | first_reg_op = 1; | |
7553 | /* Pretend we saw the extra register operand. */ | |
9c2799c2 | 7554 | gas_assert (i.reg_operands == 1 |
7ab9ffdd | 7555 | && i.op[first_reg_op + 1].regs == 0); |
e2ec9d29 L |
7556 | i.op[first_reg_op + 1].regs = i.op[first_reg_op].regs; |
7557 | i.types[first_reg_op + 1] = i.types[first_reg_op]; | |
7558 | i.operands++; | |
7559 | i.reg_operands++; | |
29b0f896 AM |
7560 | } |
7561 | ||
85b80b0f | 7562 | if (i.tm.opcode_modifier.modrm) |
29b0f896 AM |
7563 | { |
7564 | /* The opcode is completed (modulo i.tm.extension_opcode which | |
52271982 AM |
7565 | must be put into the modrm byte). Now, we make the modrm and |
7566 | index base bytes based on all the info we've collected. */ | |
29b0f896 AM |
7567 | |
7568 | default_seg = build_modrm_byte (); | |
7569 | } | |
00cee14f | 7570 | else if (i.types[0].bitfield.class == SReg) |
85b80b0f JB |
7571 | { |
7572 | if (flag_code != CODE_64BIT | |
7573 | ? i.tm.base_opcode == POP_SEG_SHORT | |
7574 | && i.op[0].regs->reg_num == 1 | |
7575 | : (i.tm.base_opcode | 1) == POP_SEG386_SHORT | |
7576 | && i.op[0].regs->reg_num < 4) | |
7577 | { | |
7578 | as_bad (_("you can't `%s %s%s'"), | |
7579 | i.tm.name, register_prefix, i.op[0].regs->reg_name); | |
7580 | return 0; | |
7581 | } | |
7582 | if ( i.op[0].regs->reg_num > 3 && i.tm.opcode_length == 1 ) | |
7583 | { | |
7584 | i.tm.base_opcode ^= POP_SEG_SHORT ^ POP_SEG386_SHORT; | |
7585 | i.tm.opcode_length = 2; | |
7586 | } | |
7587 | i.tm.base_opcode |= (i.op[0].regs->reg_num << 3); | |
7588 | } | |
8a2ed489 | 7589 | else if ((i.tm.base_opcode & ~0x3) == MOV_AX_DISP32) |
29b0f896 AM |
7590 | { |
7591 | default_seg = &ds; | |
7592 | } | |
40fb9820 | 7593 | else if (i.tm.opcode_modifier.isstring) |
29b0f896 AM |
7594 | { |
7595 | /* For the string instructions that allow a segment override | |
7596 | on one of their operands, the default segment is ds. */ | |
7597 | default_seg = &ds; | |
7598 | } | |
50128d0c | 7599 | else if (i.short_form) |
85b80b0f JB |
7600 | { |
7601 | /* The register or float register operand is in operand | |
7602 | 0 or 1. */ | |
bab6aec1 | 7603 | unsigned int op = i.tm.operand_types[0].bitfield.class != Reg; |
85b80b0f JB |
7604 | |
7605 | /* Register goes in low 3 bits of opcode. */ | |
7606 | i.tm.base_opcode |= i.op[op].regs->reg_num; | |
7607 | if ((i.op[op].regs->reg_flags & RegRex) != 0) | |
7608 | i.rex |= REX_B; | |
7609 | if (!quiet_warnings && i.tm.opcode_modifier.ugh) | |
7610 | { | |
7611 | /* Warn about some common errors, but press on regardless. | |
7612 | The first case can be generated by gcc (<= 2.8.1). */ | |
7613 | if (i.operands == 2) | |
7614 | { | |
7615 | /* Reversed arguments on faddp, fsubp, etc. */ | |
7616 | as_warn (_("translating to `%s %s%s,%s%s'"), i.tm.name, | |
7617 | register_prefix, i.op[!intel_syntax].regs->reg_name, | |
7618 | register_prefix, i.op[intel_syntax].regs->reg_name); | |
7619 | } | |
7620 | else | |
7621 | { | |
7622 | /* Extraneous `l' suffix on fp insn. */ | |
7623 | as_warn (_("translating to `%s %s%s'"), i.tm.name, | |
7624 | register_prefix, i.op[0].regs->reg_name); | |
7625 | } | |
7626 | } | |
7627 | } | |
29b0f896 | 7628 | |
514a8bb0 | 7629 | if ((i.seg[0] || i.prefix[SEG_PREFIX]) |
514a8bb0 JB |
7630 | && i.tm.base_opcode == 0x8d /* lea */ |
7631 | && !is_any_vex_encoding(&i.tm)) | |
92334ad2 JB |
7632 | { |
7633 | if (!quiet_warnings) | |
7634 | as_warn (_("segment override on `%s' is ineffectual"), i.tm.name); | |
7635 | if (optimize) | |
7636 | { | |
7637 | i.seg[0] = NULL; | |
7638 | i.prefix[SEG_PREFIX] = 0; | |
7639 | } | |
7640 | } | |
52271982 AM |
7641 | |
7642 | /* If a segment was explicitly specified, and the specified segment | |
b6773884 JB |
7643 | is neither the default nor the one already recorded from a prefix, |
7644 | use an opcode prefix to select it. If we never figured out what | |
7645 | the default segment is, then default_seg will be zero at this | |
7646 | point, and the specified segment prefix will always be used. */ | |
7647 | if (i.seg[0] | |
7648 | && i.seg[0] != default_seg | |
7649 | && i.seg[0]->seg_prefix != i.prefix[SEG_PREFIX]) | |
29b0f896 AM |
7650 | { |
7651 | if (!add_prefix (i.seg[0]->seg_prefix)) | |
7652 | return 0; | |
7653 | } | |
7654 | return 1; | |
7655 | } | |
7656 | ||
a5aeccd9 JB |
7657 | static INLINE void set_rex_vrex (const reg_entry *r, unsigned int rex_bit, |
7658 | bfd_boolean do_sse2avx) | |
7659 | { | |
7660 | if (r->reg_flags & RegRex) | |
7661 | { | |
7662 | if (i.rex & rex_bit) | |
7663 | as_bad (_("same type of prefix used twice")); | |
7664 | i.rex |= rex_bit; | |
7665 | } | |
7666 | else if (do_sse2avx && (i.rex & rex_bit) && i.vex.register_specifier) | |
7667 | { | |
7668 | gas_assert (i.vex.register_specifier == r); | |
7669 | i.vex.register_specifier += 8; | |
7670 | } | |
7671 | ||
7672 | if (r->reg_flags & RegVRex) | |
7673 | i.vrex |= rex_bit; | |
7674 | } | |
7675 | ||
29b0f896 | 7676 | static const seg_entry * |
e3bb37b5 | 7677 | build_modrm_byte (void) |
29b0f896 AM |
7678 | { |
7679 | const seg_entry *default_seg = 0; | |
c0f3af97 | 7680 | unsigned int source, dest; |
8cd7925b | 7681 | int vex_3_sources; |
c0f3af97 | 7682 | |
8cd7925b | 7683 | vex_3_sources = i.tm.opcode_modifier.vexsources == VEX3SOURCES; |
c0f3af97 L |
7684 | if (vex_3_sources) |
7685 | { | |
91d6fa6a | 7686 | unsigned int nds, reg_slot; |
4c2c6516 | 7687 | expressionS *exp; |
c0f3af97 | 7688 | |
6b8d3588 | 7689 | dest = i.operands - 1; |
c0f3af97 | 7690 | nds = dest - 1; |
922d8de8 | 7691 | |
a683cc34 | 7692 | /* There are 2 kinds of instructions: |
bed3d976 | 7693 | 1. 5 operands: 4 register operands or 3 register operands |
9d3bf266 | 7694 | plus 1 memory operand plus one Imm4 operand, VexXDS, and |
bed3d976 | 7695 | VexW0 or VexW1. The destination must be either XMM, YMM or |
43234a1e | 7696 | ZMM register. |
bed3d976 | 7697 | 2. 4 operands: 4 register operands or 3 register operands |
2f1bada2 | 7698 | plus 1 memory operand, with VexXDS. */ |
922d8de8 | 7699 | gas_assert ((i.reg_operands == 4 |
bed3d976 JB |
7700 | || (i.reg_operands == 3 && i.mem_operands == 1)) |
7701 | && i.tm.opcode_modifier.vexvvvv == VEXXDS | |
dcd7e323 | 7702 | && i.tm.opcode_modifier.vexw |
3528c362 | 7703 | && i.tm.operand_types[dest].bitfield.class == RegSIMD); |
a683cc34 | 7704 | |
48db9223 JB |
7705 | /* If VexW1 is set, the first non-immediate operand is the source and |
7706 | the second non-immediate one is encoded in the immediate operand. */ | |
7707 | if (i.tm.opcode_modifier.vexw == VEXW1) | |
7708 | { | |
7709 | source = i.imm_operands; | |
7710 | reg_slot = i.imm_operands + 1; | |
7711 | } | |
7712 | else | |
7713 | { | |
7714 | source = i.imm_operands + 1; | |
7715 | reg_slot = i.imm_operands; | |
7716 | } | |
7717 | ||
a683cc34 | 7718 | if (i.imm_operands == 0) |
bed3d976 JB |
7719 | { |
7720 | /* When there is no immediate operand, generate an 8bit | |
7721 | immediate operand to encode the first operand. */ | |
7722 | exp = &im_expressions[i.imm_operands++]; | |
7723 | i.op[i.operands].imms = exp; | |
7724 | i.types[i.operands] = imm8; | |
7725 | i.operands++; | |
7726 | ||
3528c362 | 7727 | gas_assert (i.tm.operand_types[reg_slot].bitfield.class == RegSIMD); |
bed3d976 JB |
7728 | exp->X_op = O_constant; |
7729 | exp->X_add_number = register_number (i.op[reg_slot].regs) << 4; | |
43234a1e L |
7730 | gas_assert ((i.op[reg_slot].regs->reg_flags & RegVRex) == 0); |
7731 | } | |
922d8de8 | 7732 | else |
bed3d976 | 7733 | { |
9d3bf266 JB |
7734 | gas_assert (i.imm_operands == 1); |
7735 | gas_assert (fits_in_imm4 (i.op[0].imms->X_add_number)); | |
7736 | gas_assert (!i.tm.opcode_modifier.immext); | |
a683cc34 | 7737 | |
9d3bf266 JB |
7738 | /* Turn on Imm8 again so that output_imm will generate it. */ |
7739 | i.types[0].bitfield.imm8 = 1; | |
bed3d976 | 7740 | |
3528c362 | 7741 | gas_assert (i.tm.operand_types[reg_slot].bitfield.class == RegSIMD); |
9d3bf266 | 7742 | i.op[0].imms->X_add_number |
bed3d976 | 7743 | |= register_number (i.op[reg_slot].regs) << 4; |
43234a1e | 7744 | gas_assert ((i.op[reg_slot].regs->reg_flags & RegVRex) == 0); |
bed3d976 | 7745 | } |
a683cc34 | 7746 | |
3528c362 | 7747 | gas_assert (i.tm.operand_types[nds].bitfield.class == RegSIMD); |
dae39acc | 7748 | i.vex.register_specifier = i.op[nds].regs; |
c0f3af97 L |
7749 | } |
7750 | else | |
7751 | source = dest = 0; | |
29b0f896 AM |
7752 | |
7753 | /* i.reg_operands MUST be the number of real register operands; | |
c0f3af97 L |
7754 | implicit registers do not count. If there are 3 register |
7755 | operands, it must be a instruction with VexNDS. For a | |
7756 | instruction with VexNDD, the destination register is encoded | |
7757 | in VEX prefix. If there are 4 register operands, it must be | |
7758 | a instruction with VEX prefix and 3 sources. */ | |
7ab9ffdd L |
7759 | if (i.mem_operands == 0 |
7760 | && ((i.reg_operands == 2 | |
2426c15f | 7761 | && i.tm.opcode_modifier.vexvvvv <= VEXXDS) |
7ab9ffdd | 7762 | || (i.reg_operands == 3 |
2426c15f | 7763 | && i.tm.opcode_modifier.vexvvvv == VEXXDS) |
7ab9ffdd | 7764 | || (i.reg_operands == 4 && vex_3_sources))) |
29b0f896 | 7765 | { |
cab737b9 L |
7766 | switch (i.operands) |
7767 | { | |
7768 | case 2: | |
7769 | source = 0; | |
7770 | break; | |
7771 | case 3: | |
c81128dc L |
7772 | /* When there are 3 operands, one of them may be immediate, |
7773 | which may be the first or the last operand. Otherwise, | |
c0f3af97 L |
7774 | the first operand must be shift count register (cl) or it |
7775 | is an instruction with VexNDS. */ | |
9c2799c2 | 7776 | gas_assert (i.imm_operands == 1 |
7ab9ffdd | 7777 | || (i.imm_operands == 0 |
2426c15f | 7778 | && (i.tm.opcode_modifier.vexvvvv == VEXXDS |
75e5731b JB |
7779 | || (i.types[0].bitfield.instance == RegC |
7780 | && i.types[0].bitfield.byte)))); | |
40fb9820 | 7781 | if (operand_type_check (i.types[0], imm) |
75e5731b JB |
7782 | || (i.types[0].bitfield.instance == RegC |
7783 | && i.types[0].bitfield.byte)) | |
40fb9820 L |
7784 | source = 1; |
7785 | else | |
7786 | source = 0; | |
cab737b9 L |
7787 | break; |
7788 | case 4: | |
368d64cc L |
7789 | /* When there are 4 operands, the first two must be 8bit |
7790 | immediate operands. The source operand will be the 3rd | |
c0f3af97 L |
7791 | one. |
7792 | ||
7793 | For instructions with VexNDS, if the first operand | |
7794 | an imm8, the source operand is the 2nd one. If the last | |
7795 | operand is imm8, the source operand is the first one. */ | |
9c2799c2 | 7796 | gas_assert ((i.imm_operands == 2 |
7ab9ffdd L |
7797 | && i.types[0].bitfield.imm8 |
7798 | && i.types[1].bitfield.imm8) | |
2426c15f | 7799 | || (i.tm.opcode_modifier.vexvvvv == VEXXDS |
7ab9ffdd L |
7800 | && i.imm_operands == 1 |
7801 | && (i.types[0].bitfield.imm8 | |
43234a1e L |
7802 | || i.types[i.operands - 1].bitfield.imm8 |
7803 | || i.rounding))); | |
9f2670f2 L |
7804 | if (i.imm_operands == 2) |
7805 | source = 2; | |
7806 | else | |
c0f3af97 L |
7807 | { |
7808 | if (i.types[0].bitfield.imm8) | |
7809 | source = 1; | |
7810 | else | |
7811 | source = 0; | |
7812 | } | |
c0f3af97 L |
7813 | break; |
7814 | case 5: | |
e771e7c9 | 7815 | if (is_evex_encoding (&i.tm)) |
43234a1e L |
7816 | { |
7817 | /* For EVEX instructions, when there are 5 operands, the | |
7818 | first one must be immediate operand. If the second one | |
7819 | is immediate operand, the source operand is the 3th | |
7820 | one. If the last one is immediate operand, the source | |
7821 | operand is the 2nd one. */ | |
7822 | gas_assert (i.imm_operands == 2 | |
7823 | && i.tm.opcode_modifier.sae | |
7824 | && operand_type_check (i.types[0], imm)); | |
7825 | if (operand_type_check (i.types[1], imm)) | |
7826 | source = 2; | |
7827 | else if (operand_type_check (i.types[4], imm)) | |
7828 | source = 1; | |
7829 | else | |
7830 | abort (); | |
7831 | } | |
cab737b9 L |
7832 | break; |
7833 | default: | |
7834 | abort (); | |
7835 | } | |
7836 | ||
c0f3af97 L |
7837 | if (!vex_3_sources) |
7838 | { | |
7839 | dest = source + 1; | |
7840 | ||
43234a1e L |
7841 | /* RC/SAE operand could be between DEST and SRC. That happens |
7842 | when one operand is GPR and the other one is XMM/YMM/ZMM | |
7843 | register. */ | |
7844 | if (i.rounding && i.rounding->operand == (int) dest) | |
7845 | dest++; | |
7846 | ||
2426c15f | 7847 | if (i.tm.opcode_modifier.vexvvvv == VEXXDS) |
c0f3af97 | 7848 | { |
43234a1e | 7849 | /* For instructions with VexNDS, the register-only source |
c5d0745b | 7850 | operand must be a 32/64bit integer, XMM, YMM, ZMM, or mask |
dfd69174 | 7851 | register. It is encoded in VEX prefix. */ |
f12dc422 L |
7852 | |
7853 | i386_operand_type op; | |
7854 | unsigned int vvvv; | |
7855 | ||
7856 | /* Check register-only source operand when two source | |
7857 | operands are swapped. */ | |
7858 | if (!i.tm.operand_types[source].bitfield.baseindex | |
7859 | && i.tm.operand_types[dest].bitfield.baseindex) | |
7860 | { | |
7861 | vvvv = source; | |
7862 | source = dest; | |
7863 | } | |
7864 | else | |
7865 | vvvv = dest; | |
7866 | ||
7867 | op = i.tm.operand_types[vvvv]; | |
c0f3af97 | 7868 | if ((dest + 1) >= i.operands |
bab6aec1 | 7869 | || ((op.bitfield.class != Reg |
dc821c5f | 7870 | || (!op.bitfield.dword && !op.bitfield.qword)) |
3528c362 | 7871 | && op.bitfield.class != RegSIMD |
43234a1e | 7872 | && !operand_type_equal (&op, ®mask))) |
c0f3af97 | 7873 | abort (); |
f12dc422 | 7874 | i.vex.register_specifier = i.op[vvvv].regs; |
c0f3af97 L |
7875 | dest++; |
7876 | } | |
7877 | } | |
29b0f896 AM |
7878 | |
7879 | i.rm.mode = 3; | |
dfd69174 JB |
7880 | /* One of the register operands will be encoded in the i.rm.reg |
7881 | field, the other in the combined i.rm.mode and i.rm.regmem | |
29b0f896 AM |
7882 | fields. If no form of this instruction supports a memory |
7883 | destination operand, then we assume the source operand may | |
7884 | sometimes be a memory operand and so we need to store the | |
7885 | destination in the i.rm.reg field. */ | |
dfd69174 | 7886 | if (!i.tm.opcode_modifier.regmem |
40fb9820 | 7887 | && operand_type_check (i.tm.operand_types[dest], anymem) == 0) |
29b0f896 AM |
7888 | { |
7889 | i.rm.reg = i.op[dest].regs->reg_num; | |
7890 | i.rm.regmem = i.op[source].regs->reg_num; | |
3528c362 JB |
7891 | if (i.op[dest].regs->reg_type.bitfield.class == RegMMX |
7892 | || i.op[source].regs->reg_type.bitfield.class == RegMMX) | |
b4a3a7b4 | 7893 | i.has_regmmx = TRUE; |
3528c362 JB |
7894 | else if (i.op[dest].regs->reg_type.bitfield.class == RegSIMD |
7895 | || i.op[source].regs->reg_type.bitfield.class == RegSIMD) | |
b4a3a7b4 L |
7896 | { |
7897 | if (i.types[dest].bitfield.zmmword | |
7898 | || i.types[source].bitfield.zmmword) | |
7899 | i.has_regzmm = TRUE; | |
7900 | else if (i.types[dest].bitfield.ymmword | |
7901 | || i.types[source].bitfield.ymmword) | |
7902 | i.has_regymm = TRUE; | |
7903 | else | |
7904 | i.has_regxmm = TRUE; | |
7905 | } | |
a5aeccd9 JB |
7906 | set_rex_vrex (i.op[dest].regs, REX_R, i.tm.opcode_modifier.sse2avx); |
7907 | set_rex_vrex (i.op[source].regs, REX_B, FALSE); | |
29b0f896 AM |
7908 | } |
7909 | else | |
7910 | { | |
7911 | i.rm.reg = i.op[source].regs->reg_num; | |
7912 | i.rm.regmem = i.op[dest].regs->reg_num; | |
a5aeccd9 JB |
7913 | set_rex_vrex (i.op[dest].regs, REX_B, i.tm.opcode_modifier.sse2avx); |
7914 | set_rex_vrex (i.op[source].regs, REX_R, FALSE); | |
29b0f896 | 7915 | } |
e0c7f900 | 7916 | if (flag_code != CODE_64BIT && (i.rex & REX_R)) |
c4a530c5 | 7917 | { |
4a5c67ed | 7918 | if (i.types[!i.tm.opcode_modifier.regmem].bitfield.class != RegCR) |
c4a530c5 | 7919 | abort (); |
e0c7f900 | 7920 | i.rex &= ~REX_R; |
c4a530c5 JB |
7921 | add_prefix (LOCK_PREFIX_OPCODE); |
7922 | } | |
29b0f896 AM |
7923 | } |
7924 | else | |
7925 | { /* If it's not 2 reg operands... */ | |
c0f3af97 L |
7926 | unsigned int mem; |
7927 | ||
29b0f896 AM |
7928 | if (i.mem_operands) |
7929 | { | |
7930 | unsigned int fake_zero_displacement = 0; | |
99018f42 | 7931 | unsigned int op; |
4eed87de | 7932 | |
7ab9ffdd | 7933 | for (op = 0; op < i.operands; op++) |
8dc0818e | 7934 | if (i.flags[op] & Operand_Mem) |
7ab9ffdd | 7935 | break; |
7ab9ffdd | 7936 | gas_assert (op < i.operands); |
29b0f896 | 7937 | |
6c30d220 L |
7938 | if (i.tm.opcode_modifier.vecsib) |
7939 | { | |
e968fc9b | 7940 | if (i.index_reg->reg_num == RegIZ) |
6c30d220 L |
7941 | abort (); |
7942 | ||
7943 | i.rm.regmem = ESCAPE_TO_TWO_BYTE_ADDRESSING; | |
7944 | if (!i.base_reg) | |
7945 | { | |
7946 | i.sib.base = NO_BASE_REGISTER; | |
7947 | i.sib.scale = i.log2_scale_factor; | |
7948 | i.types[op].bitfield.disp8 = 0; | |
7949 | i.types[op].bitfield.disp16 = 0; | |
7950 | i.types[op].bitfield.disp64 = 0; | |
43083a50 | 7951 | if (flag_code != CODE_64BIT || i.prefix[ADDR_PREFIX]) |
6c30d220 L |
7952 | { |
7953 | /* Must be 32 bit */ | |
7954 | i.types[op].bitfield.disp32 = 1; | |
7955 | i.types[op].bitfield.disp32s = 0; | |
7956 | } | |
7957 | else | |
7958 | { | |
7959 | i.types[op].bitfield.disp32 = 0; | |
7960 | i.types[op].bitfield.disp32s = 1; | |
7961 | } | |
7962 | } | |
7963 | i.sib.index = i.index_reg->reg_num; | |
a5aeccd9 | 7964 | set_rex_vrex (i.index_reg, REX_X, FALSE); |
6c30d220 L |
7965 | } |
7966 | ||
29b0f896 AM |
7967 | default_seg = &ds; |
7968 | ||
7969 | if (i.base_reg == 0) | |
7970 | { | |
7971 | i.rm.mode = 0; | |
7972 | if (!i.disp_operands) | |
9bb129e8 | 7973 | fake_zero_displacement = 1; |
29b0f896 AM |
7974 | if (i.index_reg == 0) |
7975 | { | |
73053c1f JB |
7976 | i386_operand_type newdisp; |
7977 | ||
6c30d220 | 7978 | gas_assert (!i.tm.opcode_modifier.vecsib); |
29b0f896 | 7979 | /* Operand is just <disp> */ |
20f0a1fc | 7980 | if (flag_code == CODE_64BIT) |
29b0f896 AM |
7981 | { |
7982 | /* 64bit mode overwrites the 32bit absolute | |
7983 | addressing by RIP relative addressing and | |
7984 | absolute addressing is encoded by one of the | |
7985 | redundant SIB forms. */ | |
7986 | i.rm.regmem = ESCAPE_TO_TWO_BYTE_ADDRESSING; | |
7987 | i.sib.base = NO_BASE_REGISTER; | |
7988 | i.sib.index = NO_INDEX_REGISTER; | |
73053c1f | 7989 | newdisp = (!i.prefix[ADDR_PREFIX] ? disp32s : disp32); |
20f0a1fc | 7990 | } |
fc225355 L |
7991 | else if ((flag_code == CODE_16BIT) |
7992 | ^ (i.prefix[ADDR_PREFIX] != 0)) | |
20f0a1fc NC |
7993 | { |
7994 | i.rm.regmem = NO_BASE_REGISTER_16; | |
73053c1f | 7995 | newdisp = disp16; |
20f0a1fc NC |
7996 | } |
7997 | else | |
7998 | { | |
7999 | i.rm.regmem = NO_BASE_REGISTER; | |
73053c1f | 8000 | newdisp = disp32; |
29b0f896 | 8001 | } |
73053c1f JB |
8002 | i.types[op] = operand_type_and_not (i.types[op], anydisp); |
8003 | i.types[op] = operand_type_or (i.types[op], newdisp); | |
29b0f896 | 8004 | } |
6c30d220 | 8005 | else if (!i.tm.opcode_modifier.vecsib) |
29b0f896 | 8006 | { |
6c30d220 | 8007 | /* !i.base_reg && i.index_reg */ |
e968fc9b | 8008 | if (i.index_reg->reg_num == RegIZ) |
db51cc60 L |
8009 | i.sib.index = NO_INDEX_REGISTER; |
8010 | else | |
8011 | i.sib.index = i.index_reg->reg_num; | |
29b0f896 AM |
8012 | i.sib.base = NO_BASE_REGISTER; |
8013 | i.sib.scale = i.log2_scale_factor; | |
8014 | i.rm.regmem = ESCAPE_TO_TWO_BYTE_ADDRESSING; | |
40fb9820 L |
8015 | i.types[op].bitfield.disp8 = 0; |
8016 | i.types[op].bitfield.disp16 = 0; | |
8017 | i.types[op].bitfield.disp64 = 0; | |
43083a50 | 8018 | if (flag_code != CODE_64BIT || i.prefix[ADDR_PREFIX]) |
40fb9820 L |
8019 | { |
8020 | /* Must be 32 bit */ | |
8021 | i.types[op].bitfield.disp32 = 1; | |
8022 | i.types[op].bitfield.disp32s = 0; | |
8023 | } | |
29b0f896 | 8024 | else |
40fb9820 L |
8025 | { |
8026 | i.types[op].bitfield.disp32 = 0; | |
8027 | i.types[op].bitfield.disp32s = 1; | |
8028 | } | |
29b0f896 | 8029 | if ((i.index_reg->reg_flags & RegRex) != 0) |
161a04f6 | 8030 | i.rex |= REX_X; |
29b0f896 AM |
8031 | } |
8032 | } | |
8033 | /* RIP addressing for 64bit mode. */ | |
e968fc9b | 8034 | else if (i.base_reg->reg_num == RegIP) |
29b0f896 | 8035 | { |
6c30d220 | 8036 | gas_assert (!i.tm.opcode_modifier.vecsib); |
29b0f896 | 8037 | i.rm.regmem = NO_BASE_REGISTER; |
40fb9820 L |
8038 | i.types[op].bitfield.disp8 = 0; |
8039 | i.types[op].bitfield.disp16 = 0; | |
8040 | i.types[op].bitfield.disp32 = 0; | |
8041 | i.types[op].bitfield.disp32s = 1; | |
8042 | i.types[op].bitfield.disp64 = 0; | |
71903a11 | 8043 | i.flags[op] |= Operand_PCrel; |
20f0a1fc NC |
8044 | if (! i.disp_operands) |
8045 | fake_zero_displacement = 1; | |
29b0f896 | 8046 | } |
dc821c5f | 8047 | else if (i.base_reg->reg_type.bitfield.word) |
29b0f896 | 8048 | { |
6c30d220 | 8049 | gas_assert (!i.tm.opcode_modifier.vecsib); |
29b0f896 AM |
8050 | switch (i.base_reg->reg_num) |
8051 | { | |
8052 | case 3: /* (%bx) */ | |
8053 | if (i.index_reg == 0) | |
8054 | i.rm.regmem = 7; | |
8055 | else /* (%bx,%si) -> 0, or (%bx,%di) -> 1 */ | |
8056 | i.rm.regmem = i.index_reg->reg_num - 6; | |
8057 | break; | |
8058 | case 5: /* (%bp) */ | |
8059 | default_seg = &ss; | |
8060 | if (i.index_reg == 0) | |
8061 | { | |
8062 | i.rm.regmem = 6; | |
40fb9820 | 8063 | if (operand_type_check (i.types[op], disp) == 0) |
29b0f896 AM |
8064 | { |
8065 | /* fake (%bp) into 0(%bp) */ | |
b5014f7a | 8066 | i.types[op].bitfield.disp8 = 1; |
252b5132 | 8067 | fake_zero_displacement = 1; |
29b0f896 AM |
8068 | } |
8069 | } | |
8070 | else /* (%bp,%si) -> 2, or (%bp,%di) -> 3 */ | |
8071 | i.rm.regmem = i.index_reg->reg_num - 6 + 2; | |
8072 | break; | |
8073 | default: /* (%si) -> 4 or (%di) -> 5 */ | |
8074 | i.rm.regmem = i.base_reg->reg_num - 6 + 4; | |
8075 | } | |
8076 | i.rm.mode = mode_from_disp_size (i.types[op]); | |
8077 | } | |
8078 | else /* i.base_reg and 32/64 bit mode */ | |
8079 | { | |
8080 | if (flag_code == CODE_64BIT | |
40fb9820 L |
8081 | && operand_type_check (i.types[op], disp)) |
8082 | { | |
73053c1f JB |
8083 | i.types[op].bitfield.disp16 = 0; |
8084 | i.types[op].bitfield.disp64 = 0; | |
40fb9820 | 8085 | if (i.prefix[ADDR_PREFIX] == 0) |
73053c1f JB |
8086 | { |
8087 | i.types[op].bitfield.disp32 = 0; | |
8088 | i.types[op].bitfield.disp32s = 1; | |
8089 | } | |
40fb9820 | 8090 | else |
73053c1f JB |
8091 | { |
8092 | i.types[op].bitfield.disp32 = 1; | |
8093 | i.types[op].bitfield.disp32s = 0; | |
8094 | } | |
40fb9820 | 8095 | } |
20f0a1fc | 8096 | |
6c30d220 L |
8097 | if (!i.tm.opcode_modifier.vecsib) |
8098 | i.rm.regmem = i.base_reg->reg_num; | |
29b0f896 | 8099 | if ((i.base_reg->reg_flags & RegRex) != 0) |
161a04f6 | 8100 | i.rex |= REX_B; |
29b0f896 AM |
8101 | i.sib.base = i.base_reg->reg_num; |
8102 | /* x86-64 ignores REX prefix bit here to avoid decoder | |
8103 | complications. */ | |
848930b2 JB |
8104 | if (!(i.base_reg->reg_flags & RegRex) |
8105 | && (i.base_reg->reg_num == EBP_REG_NUM | |
8106 | || i.base_reg->reg_num == ESP_REG_NUM)) | |
29b0f896 | 8107 | default_seg = &ss; |
848930b2 | 8108 | if (i.base_reg->reg_num == 5 && i.disp_operands == 0) |
29b0f896 | 8109 | { |
848930b2 | 8110 | fake_zero_displacement = 1; |
b5014f7a | 8111 | i.types[op].bitfield.disp8 = 1; |
29b0f896 AM |
8112 | } |
8113 | i.sib.scale = i.log2_scale_factor; | |
8114 | if (i.index_reg == 0) | |
8115 | { | |
6c30d220 | 8116 | gas_assert (!i.tm.opcode_modifier.vecsib); |
29b0f896 AM |
8117 | /* <disp>(%esp) becomes two byte modrm with no index |
8118 | register. We've already stored the code for esp | |
8119 | in i.rm.regmem ie. ESCAPE_TO_TWO_BYTE_ADDRESSING. | |
8120 | Any base register besides %esp will not use the | |
8121 | extra modrm byte. */ | |
8122 | i.sib.index = NO_INDEX_REGISTER; | |
29b0f896 | 8123 | } |
6c30d220 | 8124 | else if (!i.tm.opcode_modifier.vecsib) |
29b0f896 | 8125 | { |
e968fc9b | 8126 | if (i.index_reg->reg_num == RegIZ) |
db51cc60 L |
8127 | i.sib.index = NO_INDEX_REGISTER; |
8128 | else | |
8129 | i.sib.index = i.index_reg->reg_num; | |
29b0f896 AM |
8130 | i.rm.regmem = ESCAPE_TO_TWO_BYTE_ADDRESSING; |
8131 | if ((i.index_reg->reg_flags & RegRex) != 0) | |
161a04f6 | 8132 | i.rex |= REX_X; |
29b0f896 | 8133 | } |
67a4f2b7 AO |
8134 | |
8135 | if (i.disp_operands | |
8136 | && (i.reloc[op] == BFD_RELOC_386_TLS_DESC_CALL | |
8137 | || i.reloc[op] == BFD_RELOC_X86_64_TLSDESC_CALL)) | |
8138 | i.rm.mode = 0; | |
8139 | else | |
a501d77e L |
8140 | { |
8141 | if (!fake_zero_displacement | |
8142 | && !i.disp_operands | |
8143 | && i.disp_encoding) | |
8144 | { | |
8145 | fake_zero_displacement = 1; | |
8146 | if (i.disp_encoding == disp_encoding_8bit) | |
8147 | i.types[op].bitfield.disp8 = 1; | |
8148 | else | |
8149 | i.types[op].bitfield.disp32 = 1; | |
8150 | } | |
8151 | i.rm.mode = mode_from_disp_size (i.types[op]); | |
8152 | } | |
29b0f896 | 8153 | } |
252b5132 | 8154 | |
29b0f896 AM |
8155 | if (fake_zero_displacement) |
8156 | { | |
8157 | /* Fakes a zero displacement assuming that i.types[op] | |
8158 | holds the correct displacement size. */ | |
8159 | expressionS *exp; | |
8160 | ||
9c2799c2 | 8161 | gas_assert (i.op[op].disps == 0); |
29b0f896 AM |
8162 | exp = &disp_expressions[i.disp_operands++]; |
8163 | i.op[op].disps = exp; | |
8164 | exp->X_op = O_constant; | |
8165 | exp->X_add_number = 0; | |
8166 | exp->X_add_symbol = (symbolS *) 0; | |
8167 | exp->X_op_symbol = (symbolS *) 0; | |
8168 | } | |
c0f3af97 L |
8169 | |
8170 | mem = op; | |
29b0f896 | 8171 | } |
c0f3af97 L |
8172 | else |
8173 | mem = ~0; | |
252b5132 | 8174 | |
8c43a48b | 8175 | if (i.tm.opcode_modifier.vexsources == XOP2SOURCES) |
5dd85c99 SP |
8176 | { |
8177 | if (operand_type_check (i.types[0], imm)) | |
8178 | i.vex.register_specifier = NULL; | |
8179 | else | |
8180 | { | |
8181 | /* VEX.vvvv encodes one of the sources when the first | |
8182 | operand is not an immediate. */ | |
1ef99a7b | 8183 | if (i.tm.opcode_modifier.vexw == VEXW0) |
5dd85c99 SP |
8184 | i.vex.register_specifier = i.op[0].regs; |
8185 | else | |
8186 | i.vex.register_specifier = i.op[1].regs; | |
8187 | } | |
8188 | ||
8189 | /* Destination is a XMM register encoded in the ModRM.reg | |
8190 | and VEX.R bit. */ | |
8191 | i.rm.reg = i.op[2].regs->reg_num; | |
8192 | if ((i.op[2].regs->reg_flags & RegRex) != 0) | |
8193 | i.rex |= REX_R; | |
8194 | ||
8195 | /* ModRM.rm and VEX.B encodes the other source. */ | |
8196 | if (!i.mem_operands) | |
8197 | { | |
8198 | i.rm.mode = 3; | |
8199 | ||
1ef99a7b | 8200 | if (i.tm.opcode_modifier.vexw == VEXW0) |
5dd85c99 SP |
8201 | i.rm.regmem = i.op[1].regs->reg_num; |
8202 | else | |
8203 | i.rm.regmem = i.op[0].regs->reg_num; | |
8204 | ||
8205 | if ((i.op[1].regs->reg_flags & RegRex) != 0) | |
8206 | i.rex |= REX_B; | |
8207 | } | |
8208 | } | |
2426c15f | 8209 | else if (i.tm.opcode_modifier.vexvvvv == VEXLWP) |
f88c9eb0 SP |
8210 | { |
8211 | i.vex.register_specifier = i.op[2].regs; | |
8212 | if (!i.mem_operands) | |
8213 | { | |
8214 | i.rm.mode = 3; | |
8215 | i.rm.regmem = i.op[1].regs->reg_num; | |
8216 | if ((i.op[1].regs->reg_flags & RegRex) != 0) | |
8217 | i.rex |= REX_B; | |
8218 | } | |
8219 | } | |
29b0f896 AM |
8220 | /* Fill in i.rm.reg or i.rm.regmem field with register operand |
8221 | (if any) based on i.tm.extension_opcode. Again, we must be | |
8222 | careful to make sure that segment/control/debug/test/MMX | |
8223 | registers are coded into the i.rm.reg field. */ | |
f88c9eb0 | 8224 | else if (i.reg_operands) |
29b0f896 | 8225 | { |
99018f42 | 8226 | unsigned int op; |
7ab9ffdd L |
8227 | unsigned int vex_reg = ~0; |
8228 | ||
8229 | for (op = 0; op < i.operands; op++) | |
b4a3a7b4 | 8230 | { |
bab6aec1 | 8231 | if (i.types[op].bitfield.class == Reg |
f74a6307 JB |
8232 | || i.types[op].bitfield.class == RegBND |
8233 | || i.types[op].bitfield.class == RegMask | |
00cee14f | 8234 | || i.types[op].bitfield.class == SReg |
4a5c67ed JB |
8235 | || i.types[op].bitfield.class == RegCR |
8236 | || i.types[op].bitfield.class == RegDR | |
8237 | || i.types[op].bitfield.class == RegTR) | |
b4a3a7b4 | 8238 | break; |
3528c362 | 8239 | if (i.types[op].bitfield.class == RegSIMD) |
b4a3a7b4 L |
8240 | { |
8241 | if (i.types[op].bitfield.zmmword) | |
8242 | i.has_regzmm = TRUE; | |
8243 | else if (i.types[op].bitfield.ymmword) | |
8244 | i.has_regymm = TRUE; | |
8245 | else | |
8246 | i.has_regxmm = TRUE; | |
8247 | break; | |
8248 | } | |
3528c362 | 8249 | if (i.types[op].bitfield.class == RegMMX) |
b4a3a7b4 L |
8250 | { |
8251 | i.has_regmmx = TRUE; | |
8252 | break; | |
8253 | } | |
8254 | } | |
c0209578 | 8255 | |
7ab9ffdd L |
8256 | if (vex_3_sources) |
8257 | op = dest; | |
2426c15f | 8258 | else if (i.tm.opcode_modifier.vexvvvv == VEXXDS) |
7ab9ffdd L |
8259 | { |
8260 | /* For instructions with VexNDS, the register-only | |
8261 | source operand is encoded in VEX prefix. */ | |
8262 | gas_assert (mem != (unsigned int) ~0); | |
c0f3af97 | 8263 | |
7ab9ffdd | 8264 | if (op > mem) |
c0f3af97 | 8265 | { |
7ab9ffdd L |
8266 | vex_reg = op++; |
8267 | gas_assert (op < i.operands); | |
c0f3af97 L |
8268 | } |
8269 | else | |
c0f3af97 | 8270 | { |
f12dc422 L |
8271 | /* Check register-only source operand when two source |
8272 | operands are swapped. */ | |
8273 | if (!i.tm.operand_types[op].bitfield.baseindex | |
8274 | && i.tm.operand_types[op + 1].bitfield.baseindex) | |
8275 | { | |
8276 | vex_reg = op; | |
8277 | op += 2; | |
8278 | gas_assert (mem == (vex_reg + 1) | |
8279 | && op < i.operands); | |
8280 | } | |
8281 | else | |
8282 | { | |
8283 | vex_reg = op + 1; | |
8284 | gas_assert (vex_reg < i.operands); | |
8285 | } | |
c0f3af97 | 8286 | } |
7ab9ffdd | 8287 | } |
2426c15f | 8288 | else if (i.tm.opcode_modifier.vexvvvv == VEXNDD) |
7ab9ffdd | 8289 | { |
f12dc422 | 8290 | /* For instructions with VexNDD, the register destination |
7ab9ffdd | 8291 | is encoded in VEX prefix. */ |
f12dc422 L |
8292 | if (i.mem_operands == 0) |
8293 | { | |
8294 | /* There is no memory operand. */ | |
8295 | gas_assert ((op + 2) == i.operands); | |
8296 | vex_reg = op + 1; | |
8297 | } | |
8298 | else | |
8d63c93e | 8299 | { |
ed438a93 JB |
8300 | /* There are only 2 non-immediate operands. */ |
8301 | gas_assert (op < i.imm_operands + 2 | |
8302 | && i.operands == i.imm_operands + 2); | |
8303 | vex_reg = i.imm_operands + 1; | |
f12dc422 | 8304 | } |
7ab9ffdd L |
8305 | } |
8306 | else | |
8307 | gas_assert (op < i.operands); | |
99018f42 | 8308 | |
7ab9ffdd L |
8309 | if (vex_reg != (unsigned int) ~0) |
8310 | { | |
f12dc422 | 8311 | i386_operand_type *type = &i.tm.operand_types[vex_reg]; |
7ab9ffdd | 8312 | |
bab6aec1 | 8313 | if ((type->bitfield.class != Reg |
dc821c5f | 8314 | || (!type->bitfield.dword && !type->bitfield.qword)) |
3528c362 | 8315 | && type->bitfield.class != RegSIMD |
43234a1e | 8316 | && !operand_type_equal (type, ®mask)) |
7ab9ffdd | 8317 | abort (); |
f88c9eb0 | 8318 | |
7ab9ffdd L |
8319 | i.vex.register_specifier = i.op[vex_reg].regs; |
8320 | } | |
8321 | ||
1b9f0c97 L |
8322 | /* Don't set OP operand twice. */ |
8323 | if (vex_reg != op) | |
7ab9ffdd | 8324 | { |
1b9f0c97 L |
8325 | /* If there is an extension opcode to put here, the |
8326 | register number must be put into the regmem field. */ | |
8327 | if (i.tm.extension_opcode != None) | |
8328 | { | |
8329 | i.rm.regmem = i.op[op].regs->reg_num; | |
a5aeccd9 JB |
8330 | set_rex_vrex (i.op[op].regs, REX_B, |
8331 | i.tm.opcode_modifier.sse2avx); | |
1b9f0c97 L |
8332 | } |
8333 | else | |
8334 | { | |
8335 | i.rm.reg = i.op[op].regs->reg_num; | |
a5aeccd9 JB |
8336 | set_rex_vrex (i.op[op].regs, REX_R, |
8337 | i.tm.opcode_modifier.sse2avx); | |
1b9f0c97 | 8338 | } |
7ab9ffdd | 8339 | } |
252b5132 | 8340 | |
29b0f896 AM |
8341 | /* Now, if no memory operand has set i.rm.mode = 0, 1, 2 we |
8342 | must set it to 3 to indicate this is a register operand | |
8343 | in the regmem field. */ | |
8344 | if (!i.mem_operands) | |
8345 | i.rm.mode = 3; | |
8346 | } | |
252b5132 | 8347 | |
29b0f896 | 8348 | /* Fill in i.rm.reg field with extension opcode (if any). */ |
c1e679ec | 8349 | if (i.tm.extension_opcode != None) |
29b0f896 AM |
8350 | i.rm.reg = i.tm.extension_opcode; |
8351 | } | |
8352 | return default_seg; | |
8353 | } | |
252b5132 | 8354 | |
376cd056 JB |
8355 | static unsigned int |
8356 | flip_code16 (unsigned int code16) | |
8357 | { | |
8358 | gas_assert (i.tm.operands == 1); | |
8359 | ||
8360 | return !(i.prefix[REX_PREFIX] & REX_W) | |
8361 | && (code16 ? i.tm.operand_types[0].bitfield.disp32 | |
8362 | || i.tm.operand_types[0].bitfield.disp32s | |
8363 | : i.tm.operand_types[0].bitfield.disp16) | |
8364 | ? CODE16 : 0; | |
8365 | } | |
8366 | ||
29b0f896 | 8367 | static void |
e3bb37b5 | 8368 | output_branch (void) |
29b0f896 AM |
8369 | { |
8370 | char *p; | |
f8a5c266 | 8371 | int size; |
29b0f896 AM |
8372 | int code16; |
8373 | int prefix; | |
8374 | relax_substateT subtype; | |
8375 | symbolS *sym; | |
8376 | offsetT off; | |
8377 | ||
f8a5c266 | 8378 | code16 = flag_code == CODE_16BIT ? CODE16 : 0; |
a501d77e | 8379 | size = i.disp_encoding == disp_encoding_32bit ? BIG : SMALL; |
29b0f896 AM |
8380 | |
8381 | prefix = 0; | |
8382 | if (i.prefix[DATA_PREFIX] != 0) | |
252b5132 | 8383 | { |
29b0f896 AM |
8384 | prefix = 1; |
8385 | i.prefixes -= 1; | |
376cd056 | 8386 | code16 ^= flip_code16(code16); |
252b5132 | 8387 | } |
29b0f896 AM |
8388 | /* Pentium4 branch hints. */ |
8389 | if (i.prefix[SEG_PREFIX] == CS_PREFIX_OPCODE /* not taken */ | |
8390 | || i.prefix[SEG_PREFIX] == DS_PREFIX_OPCODE /* taken */) | |
2f66722d | 8391 | { |
29b0f896 AM |
8392 | prefix++; |
8393 | i.prefixes--; | |
8394 | } | |
8395 | if (i.prefix[REX_PREFIX] != 0) | |
8396 | { | |
8397 | prefix++; | |
8398 | i.prefixes--; | |
2f66722d AM |
8399 | } |
8400 | ||
7e8b059b L |
8401 | /* BND prefixed jump. */ |
8402 | if (i.prefix[BND_PREFIX] != 0) | |
8403 | { | |
6cb0a70e JB |
8404 | prefix++; |
8405 | i.prefixes--; | |
7e8b059b L |
8406 | } |
8407 | ||
f2810fe0 JB |
8408 | if (i.prefixes != 0) |
8409 | as_warn (_("skipping prefixes on `%s'"), i.tm.name); | |
29b0f896 AM |
8410 | |
8411 | /* It's always a symbol; End frag & setup for relax. | |
8412 | Make sure there is enough room in this frag for the largest | |
8413 | instruction we may generate in md_convert_frag. This is 2 | |
8414 | bytes for the opcode and room for the prefix and largest | |
8415 | displacement. */ | |
8416 | frag_grow (prefix + 2 + 4); | |
8417 | /* Prefix and 1 opcode byte go in fr_fix. */ | |
8418 | p = frag_more (prefix + 1); | |
8419 | if (i.prefix[DATA_PREFIX] != 0) | |
8420 | *p++ = DATA_PREFIX_OPCODE; | |
8421 | if (i.prefix[SEG_PREFIX] == CS_PREFIX_OPCODE | |
8422 | || i.prefix[SEG_PREFIX] == DS_PREFIX_OPCODE) | |
8423 | *p++ = i.prefix[SEG_PREFIX]; | |
6cb0a70e JB |
8424 | if (i.prefix[BND_PREFIX] != 0) |
8425 | *p++ = BND_PREFIX_OPCODE; | |
29b0f896 AM |
8426 | if (i.prefix[REX_PREFIX] != 0) |
8427 | *p++ = i.prefix[REX_PREFIX]; | |
8428 | *p = i.tm.base_opcode; | |
8429 | ||
8430 | if ((unsigned char) *p == JUMP_PC_RELATIVE) | |
f8a5c266 | 8431 | subtype = ENCODE_RELAX_STATE (UNCOND_JUMP, size); |
40fb9820 | 8432 | else if (cpu_arch_flags.bitfield.cpui386) |
f8a5c266 | 8433 | subtype = ENCODE_RELAX_STATE (COND_JUMP, size); |
29b0f896 | 8434 | else |
f8a5c266 | 8435 | subtype = ENCODE_RELAX_STATE (COND_JUMP86, size); |
29b0f896 | 8436 | subtype |= code16; |
3e73aa7c | 8437 | |
29b0f896 AM |
8438 | sym = i.op[0].disps->X_add_symbol; |
8439 | off = i.op[0].disps->X_add_number; | |
3e73aa7c | 8440 | |
29b0f896 AM |
8441 | if (i.op[0].disps->X_op != O_constant |
8442 | && i.op[0].disps->X_op != O_symbol) | |
3e73aa7c | 8443 | { |
29b0f896 AM |
8444 | /* Handle complex expressions. */ |
8445 | sym = make_expr_symbol (i.op[0].disps); | |
8446 | off = 0; | |
8447 | } | |
3e73aa7c | 8448 | |
29b0f896 AM |
8449 | /* 1 possible extra opcode + 4 byte displacement go in var part. |
8450 | Pass reloc in fr_var. */ | |
d258b828 | 8451 | frag_var (rs_machine_dependent, 5, i.reloc[0], subtype, sym, off, p); |
29b0f896 | 8452 | } |
3e73aa7c | 8453 | |
bd7ab16b L |
8454 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8455 | /* Return TRUE iff PLT32 relocation should be used for branching to | |
8456 | symbol S. */ | |
8457 | ||
8458 | static bfd_boolean | |
8459 | need_plt32_p (symbolS *s) | |
8460 | { | |
8461 | /* PLT32 relocation is ELF only. */ | |
8462 | if (!IS_ELF) | |
8463 | return FALSE; | |
8464 | ||
a5def729 RO |
8465 | #ifdef TE_SOLARIS |
8466 | /* Don't emit PLT32 relocation on Solaris: neither native linker nor | |
8467 | krtld support it. */ | |
8468 | return FALSE; | |
8469 | #endif | |
8470 | ||
bd7ab16b L |
8471 | /* Since there is no need to prepare for PLT branch on x86-64, we |
8472 | can generate R_X86_64_PLT32, instead of R_X86_64_PC32, which can | |
8473 | be used as a marker for 32-bit PC-relative branches. */ | |
8474 | if (!object_64bit) | |
8475 | return FALSE; | |
8476 | ||
8477 | /* Weak or undefined symbol need PLT32 relocation. */ | |
8478 | if (S_IS_WEAK (s) || !S_IS_DEFINED (s)) | |
8479 | return TRUE; | |
8480 | ||
8481 | /* Non-global symbol doesn't need PLT32 relocation. */ | |
8482 | if (! S_IS_EXTERNAL (s)) | |
8483 | return FALSE; | |
8484 | ||
8485 | /* Other global symbols need PLT32 relocation. NB: Symbol with | |
8486 | non-default visibilities are treated as normal global symbol | |
8487 | so that PLT32 relocation can be used as a marker for 32-bit | |
8488 | PC-relative branches. It is useful for linker relaxation. */ | |
8489 | return TRUE; | |
8490 | } | |
8491 | #endif | |
8492 | ||
29b0f896 | 8493 | static void |
e3bb37b5 | 8494 | output_jump (void) |
29b0f896 AM |
8495 | { |
8496 | char *p; | |
8497 | int size; | |
3e02c1cc | 8498 | fixS *fixP; |
bd7ab16b | 8499 | bfd_reloc_code_real_type jump_reloc = i.reloc[0]; |
29b0f896 | 8500 | |
0cfa3eb3 | 8501 | if (i.tm.opcode_modifier.jump == JUMP_BYTE) |
29b0f896 AM |
8502 | { |
8503 | /* This is a loop or jecxz type instruction. */ | |
8504 | size = 1; | |
8505 | if (i.prefix[ADDR_PREFIX] != 0) | |
8506 | { | |
8507 | FRAG_APPEND_1_CHAR (ADDR_PREFIX_OPCODE); | |
8508 | i.prefixes -= 1; | |
8509 | } | |
8510 | /* Pentium4 branch hints. */ | |
8511 | if (i.prefix[SEG_PREFIX] == CS_PREFIX_OPCODE /* not taken */ | |
8512 | || i.prefix[SEG_PREFIX] == DS_PREFIX_OPCODE /* taken */) | |
8513 | { | |
8514 | FRAG_APPEND_1_CHAR (i.prefix[SEG_PREFIX]); | |
8515 | i.prefixes--; | |
3e73aa7c JH |
8516 | } |
8517 | } | |
29b0f896 AM |
8518 | else |
8519 | { | |
8520 | int code16; | |
3e73aa7c | 8521 | |
29b0f896 AM |
8522 | code16 = 0; |
8523 | if (flag_code == CODE_16BIT) | |
8524 | code16 = CODE16; | |
3e73aa7c | 8525 | |
29b0f896 AM |
8526 | if (i.prefix[DATA_PREFIX] != 0) |
8527 | { | |
8528 | FRAG_APPEND_1_CHAR (DATA_PREFIX_OPCODE); | |
8529 | i.prefixes -= 1; | |
376cd056 | 8530 | code16 ^= flip_code16(code16); |
29b0f896 | 8531 | } |
252b5132 | 8532 | |
29b0f896 AM |
8533 | size = 4; |
8534 | if (code16) | |
8535 | size = 2; | |
8536 | } | |
9fcc94b6 | 8537 | |
6cb0a70e JB |
8538 | /* BND prefixed jump. */ |
8539 | if (i.prefix[BND_PREFIX] != 0) | |
29b0f896 | 8540 | { |
6cb0a70e | 8541 | FRAG_APPEND_1_CHAR (i.prefix[BND_PREFIX]); |
29b0f896 AM |
8542 | i.prefixes -= 1; |
8543 | } | |
252b5132 | 8544 | |
6cb0a70e | 8545 | if (i.prefix[REX_PREFIX] != 0) |
7e8b059b | 8546 | { |
6cb0a70e | 8547 | FRAG_APPEND_1_CHAR (i.prefix[REX_PREFIX]); |
7e8b059b L |
8548 | i.prefixes -= 1; |
8549 | } | |
8550 | ||
f2810fe0 JB |
8551 | if (i.prefixes != 0) |
8552 | as_warn (_("skipping prefixes on `%s'"), i.tm.name); | |
e0890092 | 8553 | |
42164a71 L |
8554 | p = frag_more (i.tm.opcode_length + size); |
8555 | switch (i.tm.opcode_length) | |
8556 | { | |
8557 | case 2: | |
8558 | *p++ = i.tm.base_opcode >> 8; | |
1a0670f3 | 8559 | /* Fall through. */ |
42164a71 L |
8560 | case 1: |
8561 | *p++ = i.tm.base_opcode; | |
8562 | break; | |
8563 | default: | |
8564 | abort (); | |
8565 | } | |
e0890092 | 8566 | |
bd7ab16b L |
8567 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8568 | if (size == 4 | |
8569 | && jump_reloc == NO_RELOC | |
8570 | && need_plt32_p (i.op[0].disps->X_add_symbol)) | |
8571 | jump_reloc = BFD_RELOC_X86_64_PLT32; | |
8572 | #endif | |
8573 | ||
8574 | jump_reloc = reloc (size, 1, 1, jump_reloc); | |
8575 | ||
3e02c1cc | 8576 | fixP = fix_new_exp (frag_now, p - frag_now->fr_literal, size, |
bd7ab16b | 8577 | i.op[0].disps, 1, jump_reloc); |
3e02c1cc AM |
8578 | |
8579 | /* All jumps handled here are signed, but don't use a signed limit | |
8580 | check for 32 and 16 bit jumps as we want to allow wrap around at | |
8581 | 4G and 64k respectively. */ | |
8582 | if (size == 1) | |
8583 | fixP->fx_signed = 1; | |
29b0f896 | 8584 | } |
e0890092 | 8585 | |
29b0f896 | 8586 | static void |
e3bb37b5 | 8587 | output_interseg_jump (void) |
29b0f896 AM |
8588 | { |
8589 | char *p; | |
8590 | int size; | |
8591 | int prefix; | |
8592 | int code16; | |
252b5132 | 8593 | |
29b0f896 AM |
8594 | code16 = 0; |
8595 | if (flag_code == CODE_16BIT) | |
8596 | code16 = CODE16; | |
a217f122 | 8597 | |
29b0f896 AM |
8598 | prefix = 0; |
8599 | if (i.prefix[DATA_PREFIX] != 0) | |
8600 | { | |
8601 | prefix = 1; | |
8602 | i.prefixes -= 1; | |
8603 | code16 ^= CODE16; | |
8604 | } | |
6cb0a70e JB |
8605 | |
8606 | gas_assert (!i.prefix[REX_PREFIX]); | |
252b5132 | 8607 | |
29b0f896 AM |
8608 | size = 4; |
8609 | if (code16) | |
8610 | size = 2; | |
252b5132 | 8611 | |
f2810fe0 JB |
8612 | if (i.prefixes != 0) |
8613 | as_warn (_("skipping prefixes on `%s'"), i.tm.name); | |
252b5132 | 8614 | |
29b0f896 AM |
8615 | /* 1 opcode; 2 segment; offset */ |
8616 | p = frag_more (prefix + 1 + 2 + size); | |
3e73aa7c | 8617 | |
29b0f896 AM |
8618 | if (i.prefix[DATA_PREFIX] != 0) |
8619 | *p++ = DATA_PREFIX_OPCODE; | |
252b5132 | 8620 | |
29b0f896 AM |
8621 | if (i.prefix[REX_PREFIX] != 0) |
8622 | *p++ = i.prefix[REX_PREFIX]; | |
252b5132 | 8623 | |
29b0f896 AM |
8624 | *p++ = i.tm.base_opcode; |
8625 | if (i.op[1].imms->X_op == O_constant) | |
8626 | { | |
8627 | offsetT n = i.op[1].imms->X_add_number; | |
252b5132 | 8628 | |
29b0f896 AM |
8629 | if (size == 2 |
8630 | && !fits_in_unsigned_word (n) | |
8631 | && !fits_in_signed_word (n)) | |
8632 | { | |
8633 | as_bad (_("16-bit jump out of range")); | |
8634 | return; | |
8635 | } | |
8636 | md_number_to_chars (p, n, size); | |
8637 | } | |
8638 | else | |
8639 | fix_new_exp (frag_now, p - frag_now->fr_literal, size, | |
d258b828 | 8640 | i.op[1].imms, 0, reloc (size, 0, 0, i.reloc[1])); |
29b0f896 AM |
8641 | if (i.op[0].imms->X_op != O_constant) |
8642 | as_bad (_("can't handle non absolute segment in `%s'"), | |
8643 | i.tm.name); | |
8644 | md_number_to_chars (p + size, (valueT) i.op[0].imms->X_add_number, 2); | |
8645 | } | |
a217f122 | 8646 | |
b4a3a7b4 L |
8647 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8648 | void | |
8649 | x86_cleanup (void) | |
8650 | { | |
8651 | char *p; | |
8652 | asection *seg = now_seg; | |
8653 | subsegT subseg = now_subseg; | |
8654 | asection *sec; | |
8655 | unsigned int alignment, align_size_1; | |
8656 | unsigned int isa_1_descsz, feature_2_descsz, descsz; | |
8657 | unsigned int isa_1_descsz_raw, feature_2_descsz_raw; | |
8658 | unsigned int padding; | |
8659 | ||
8660 | if (!IS_ELF || !x86_used_note) | |
8661 | return; | |
8662 | ||
b4a3a7b4 L |
8663 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_X86; |
8664 | ||
8665 | /* The .note.gnu.property section layout: | |
8666 | ||
8667 | Field Length Contents | |
8668 | ---- ---- ---- | |
8669 | n_namsz 4 4 | |
8670 | n_descsz 4 The note descriptor size | |
8671 | n_type 4 NT_GNU_PROPERTY_TYPE_0 | |
8672 | n_name 4 "GNU" | |
8673 | n_desc n_descsz The program property array | |
8674 | .... .... .... | |
8675 | */ | |
8676 | ||
8677 | /* Create the .note.gnu.property section. */ | |
8678 | sec = subseg_new (NOTE_GNU_PROPERTY_SECTION_NAME, 0); | |
fd361982 | 8679 | bfd_set_section_flags (sec, |
b4a3a7b4 L |
8680 | (SEC_ALLOC |
8681 | | SEC_LOAD | |
8682 | | SEC_DATA | |
8683 | | SEC_HAS_CONTENTS | |
8684 | | SEC_READONLY)); | |
8685 | ||
8686 | if (get_elf_backend_data (stdoutput)->s->elfclass == ELFCLASS64) | |
8687 | { | |
8688 | align_size_1 = 7; | |
8689 | alignment = 3; | |
8690 | } | |
8691 | else | |
8692 | { | |
8693 | align_size_1 = 3; | |
8694 | alignment = 2; | |
8695 | } | |
8696 | ||
fd361982 | 8697 | bfd_set_section_alignment (sec, alignment); |
b4a3a7b4 L |
8698 | elf_section_type (sec) = SHT_NOTE; |
8699 | ||
8700 | /* GNU_PROPERTY_X86_ISA_1_USED: 4-byte type + 4-byte data size | |
8701 | + 4-byte data */ | |
8702 | isa_1_descsz_raw = 4 + 4 + 4; | |
8703 | /* Align GNU_PROPERTY_X86_ISA_1_USED. */ | |
8704 | isa_1_descsz = (isa_1_descsz_raw + align_size_1) & ~align_size_1; | |
8705 | ||
8706 | feature_2_descsz_raw = isa_1_descsz; | |
8707 | /* GNU_PROPERTY_X86_FEATURE_2_USED: 4-byte type + 4-byte data size | |
8708 | + 4-byte data */ | |
8709 | feature_2_descsz_raw += 4 + 4 + 4; | |
8710 | /* Align GNU_PROPERTY_X86_FEATURE_2_USED. */ | |
8711 | feature_2_descsz = ((feature_2_descsz_raw + align_size_1) | |
8712 | & ~align_size_1); | |
8713 | ||
8714 | descsz = feature_2_descsz; | |
8715 | /* Section size: n_namsz + n_descsz + n_type + n_name + n_descsz. */ | |
8716 | p = frag_more (4 + 4 + 4 + 4 + descsz); | |
8717 | ||
8718 | /* Write n_namsz. */ | |
8719 | md_number_to_chars (p, (valueT) 4, 4); | |
8720 | ||
8721 | /* Write n_descsz. */ | |
8722 | md_number_to_chars (p + 4, (valueT) descsz, 4); | |
8723 | ||
8724 | /* Write n_type. */ | |
8725 | md_number_to_chars (p + 4 * 2, (valueT) NT_GNU_PROPERTY_TYPE_0, 4); | |
8726 | ||
8727 | /* Write n_name. */ | |
8728 | memcpy (p + 4 * 3, "GNU", 4); | |
8729 | ||
8730 | /* Write 4-byte type. */ | |
8731 | md_number_to_chars (p + 4 * 4, | |
8732 | (valueT) GNU_PROPERTY_X86_ISA_1_USED, 4); | |
8733 | ||
8734 | /* Write 4-byte data size. */ | |
8735 | md_number_to_chars (p + 4 * 5, (valueT) 4, 4); | |
8736 | ||
8737 | /* Write 4-byte data. */ | |
8738 | md_number_to_chars (p + 4 * 6, (valueT) x86_isa_1_used, 4); | |
8739 | ||
8740 | /* Zero out paddings. */ | |
8741 | padding = isa_1_descsz - isa_1_descsz_raw; | |
8742 | if (padding) | |
8743 | memset (p + 4 * 7, 0, padding); | |
8744 | ||
8745 | /* Write 4-byte type. */ | |
8746 | md_number_to_chars (p + isa_1_descsz + 4 * 4, | |
8747 | (valueT) GNU_PROPERTY_X86_FEATURE_2_USED, 4); | |
8748 | ||
8749 | /* Write 4-byte data size. */ | |
8750 | md_number_to_chars (p + isa_1_descsz + 4 * 5, (valueT) 4, 4); | |
8751 | ||
8752 | /* Write 4-byte data. */ | |
8753 | md_number_to_chars (p + isa_1_descsz + 4 * 6, | |
8754 | (valueT) x86_feature_2_used, 4); | |
8755 | ||
8756 | /* Zero out paddings. */ | |
8757 | padding = feature_2_descsz - feature_2_descsz_raw; | |
8758 | if (padding) | |
8759 | memset (p + isa_1_descsz + 4 * 7, 0, padding); | |
8760 | ||
8761 | /* We probably can't restore the current segment, for there likely | |
8762 | isn't one yet... */ | |
8763 | if (seg && subseg) | |
8764 | subseg_set (seg, subseg); | |
8765 | } | |
8766 | #endif | |
8767 | ||
9c33702b JB |
8768 | static unsigned int |
8769 | encoding_length (const fragS *start_frag, offsetT start_off, | |
8770 | const char *frag_now_ptr) | |
8771 | { | |
8772 | unsigned int len = 0; | |
8773 | ||
8774 | if (start_frag != frag_now) | |
8775 | { | |
8776 | const fragS *fr = start_frag; | |
8777 | ||
8778 | do { | |
8779 | len += fr->fr_fix; | |
8780 | fr = fr->fr_next; | |
8781 | } while (fr && fr != frag_now); | |
8782 | } | |
8783 | ||
8784 | return len - start_off + (frag_now_ptr - frag_now->fr_literal); | |
8785 | } | |
8786 | ||
e379e5f3 | 8787 | /* Return 1 for test, and, cmp, add, sub, inc and dec which may |
79d72f45 HL |
8788 | be macro-fused with conditional jumps. |
8789 | NB: If TEST/AND/CMP/ADD/SUB/INC/DEC is of RIP relative address, | |
8790 | or is one of the following format: | |
8791 | ||
8792 | cmp m, imm | |
8793 | add m, imm | |
8794 | sub m, imm | |
8795 | test m, imm | |
8796 | and m, imm | |
8797 | inc m | |
8798 | dec m | |
8799 | ||
8800 | it is unfusible. */ | |
e379e5f3 L |
8801 | |
8802 | static int | |
79d72f45 | 8803 | maybe_fused_with_jcc_p (enum mf_cmp_kind* mf_cmp_p) |
e379e5f3 L |
8804 | { |
8805 | /* No RIP address. */ | |
8806 | if (i.base_reg && i.base_reg->reg_num == RegIP) | |
8807 | return 0; | |
8808 | ||
8809 | /* No VEX/EVEX encoding. */ | |
8810 | if (is_any_vex_encoding (&i.tm)) | |
8811 | return 0; | |
8812 | ||
79d72f45 HL |
8813 | /* add, sub without add/sub m, imm. */ |
8814 | if (i.tm.base_opcode <= 5 | |
e379e5f3 L |
8815 | || (i.tm.base_opcode >= 0x28 && i.tm.base_opcode <= 0x2d) |
8816 | || ((i.tm.base_opcode | 3) == 0x83 | |
79d72f45 | 8817 | && (i.tm.extension_opcode == 0x5 |
e379e5f3 | 8818 | || i.tm.extension_opcode == 0x0))) |
79d72f45 HL |
8819 | { |
8820 | *mf_cmp_p = mf_cmp_alu_cmp; | |
8821 | return !(i.mem_operands && i.imm_operands); | |
8822 | } | |
e379e5f3 | 8823 | |
79d72f45 HL |
8824 | /* and without and m, imm. */ |
8825 | if ((i.tm.base_opcode >= 0x20 && i.tm.base_opcode <= 0x25) | |
8826 | || ((i.tm.base_opcode | 3) == 0x83 | |
8827 | && i.tm.extension_opcode == 0x4)) | |
8828 | { | |
8829 | *mf_cmp_p = mf_cmp_test_and; | |
8830 | return !(i.mem_operands && i.imm_operands); | |
8831 | } | |
8832 | ||
8833 | /* test without test m imm. */ | |
e379e5f3 L |
8834 | if ((i.tm.base_opcode | 1) == 0x85 |
8835 | || (i.tm.base_opcode | 1) == 0xa9 | |
8836 | || ((i.tm.base_opcode | 1) == 0xf7 | |
79d72f45 HL |
8837 | && i.tm.extension_opcode == 0)) |
8838 | { | |
8839 | *mf_cmp_p = mf_cmp_test_and; | |
8840 | return !(i.mem_operands && i.imm_operands); | |
8841 | } | |
8842 | ||
8843 | /* cmp without cmp m, imm. */ | |
8844 | if ((i.tm.base_opcode >= 0x38 && i.tm.base_opcode <= 0x3d) | |
e379e5f3 L |
8845 | || ((i.tm.base_opcode | 3) == 0x83 |
8846 | && (i.tm.extension_opcode == 0x7))) | |
79d72f45 HL |
8847 | { |
8848 | *mf_cmp_p = mf_cmp_alu_cmp; | |
8849 | return !(i.mem_operands && i.imm_operands); | |
8850 | } | |
e379e5f3 | 8851 | |
79d72f45 | 8852 | /* inc, dec without inc/dec m. */ |
e379e5f3 L |
8853 | if ((i.tm.cpu_flags.bitfield.cpuno64 |
8854 | && (i.tm.base_opcode | 0xf) == 0x4f) | |
8855 | || ((i.tm.base_opcode | 1) == 0xff | |
8856 | && i.tm.extension_opcode <= 0x1)) | |
79d72f45 HL |
8857 | { |
8858 | *mf_cmp_p = mf_cmp_incdec; | |
8859 | return !i.mem_operands; | |
8860 | } | |
e379e5f3 L |
8861 | |
8862 | return 0; | |
8863 | } | |
8864 | ||
8865 | /* Return 1 if a FUSED_JCC_PADDING frag should be generated. */ | |
8866 | ||
8867 | static int | |
79d72f45 | 8868 | add_fused_jcc_padding_frag_p (enum mf_cmp_kind* mf_cmp_p) |
e379e5f3 L |
8869 | { |
8870 | /* NB: Don't work with COND_JUMP86 without i386. */ | |
8871 | if (!align_branch_power | |
8872 | || now_seg == absolute_section | |
8873 | || !cpu_arch_flags.bitfield.cpui386 | |
8874 | || !(align_branch & align_branch_fused_bit)) | |
8875 | return 0; | |
8876 | ||
79d72f45 | 8877 | if (maybe_fused_with_jcc_p (mf_cmp_p)) |
e379e5f3 L |
8878 | { |
8879 | if (last_insn.kind == last_insn_other | |
8880 | || last_insn.seg != now_seg) | |
8881 | return 1; | |
8882 | if (flag_debug) | |
8883 | as_warn_where (last_insn.file, last_insn.line, | |
8884 | _("`%s` skips -malign-branch-boundary on `%s`"), | |
8885 | last_insn.name, i.tm.name); | |
8886 | } | |
8887 | ||
8888 | return 0; | |
8889 | } | |
8890 | ||
8891 | /* Return 1 if a BRANCH_PREFIX frag should be generated. */ | |
8892 | ||
8893 | static int | |
8894 | add_branch_prefix_frag_p (void) | |
8895 | { | |
8896 | /* NB: Don't work with COND_JUMP86 without i386. Don't add prefix | |
8897 | to PadLock instructions since they include prefixes in opcode. */ | |
8898 | if (!align_branch_power | |
8899 | || !align_branch_prefix_size | |
8900 | || now_seg == absolute_section | |
8901 | || i.tm.cpu_flags.bitfield.cpupadlock | |
8902 | || !cpu_arch_flags.bitfield.cpui386) | |
8903 | return 0; | |
8904 | ||
8905 | /* Don't add prefix if it is a prefix or there is no operand in case | |
8906 | that segment prefix is special. */ | |
8907 | if (!i.operands || i.tm.opcode_modifier.isprefix) | |
8908 | return 0; | |
8909 | ||
8910 | if (last_insn.kind == last_insn_other | |
8911 | || last_insn.seg != now_seg) | |
8912 | return 1; | |
8913 | ||
8914 | if (flag_debug) | |
8915 | as_warn_where (last_insn.file, last_insn.line, | |
8916 | _("`%s` skips -malign-branch-boundary on `%s`"), | |
8917 | last_insn.name, i.tm.name); | |
8918 | ||
8919 | return 0; | |
8920 | } | |
8921 | ||
8922 | /* Return 1 if a BRANCH_PADDING frag should be generated. */ | |
8923 | ||
8924 | static int | |
79d72f45 HL |
8925 | add_branch_padding_frag_p (enum align_branch_kind *branch_p, |
8926 | enum mf_jcc_kind *mf_jcc_p) | |
e379e5f3 L |
8927 | { |
8928 | int add_padding; | |
8929 | ||
8930 | /* NB: Don't work with COND_JUMP86 without i386. */ | |
8931 | if (!align_branch_power | |
8932 | || now_seg == absolute_section | |
8933 | || !cpu_arch_flags.bitfield.cpui386) | |
8934 | return 0; | |
8935 | ||
8936 | add_padding = 0; | |
8937 | ||
8938 | /* Check for jcc and direct jmp. */ | |
8939 | if (i.tm.opcode_modifier.jump == JUMP) | |
8940 | { | |
8941 | if (i.tm.base_opcode == JUMP_PC_RELATIVE) | |
8942 | { | |
8943 | *branch_p = align_branch_jmp; | |
8944 | add_padding = align_branch & align_branch_jmp_bit; | |
8945 | } | |
8946 | else | |
8947 | { | |
79d72f45 HL |
8948 | /* Because J<cc> and JN<cc> share same group in macro-fusible table, |
8949 | igore the lowest bit. */ | |
8950 | *mf_jcc_p = (i.tm.base_opcode & 0x0e) >> 1; | |
e379e5f3 L |
8951 | *branch_p = align_branch_jcc; |
8952 | if ((align_branch & align_branch_jcc_bit)) | |
8953 | add_padding = 1; | |
8954 | } | |
8955 | } | |
8956 | else if (is_any_vex_encoding (&i.tm)) | |
8957 | return 0; | |
8958 | else if ((i.tm.base_opcode | 1) == 0xc3) | |
8959 | { | |
8960 | /* Near ret. */ | |
8961 | *branch_p = align_branch_ret; | |
8962 | if ((align_branch & align_branch_ret_bit)) | |
8963 | add_padding = 1; | |
8964 | } | |
8965 | else | |
8966 | { | |
8967 | /* Check for indirect jmp, direct and indirect calls. */ | |
8968 | if (i.tm.base_opcode == 0xe8) | |
8969 | { | |
8970 | /* Direct call. */ | |
8971 | *branch_p = align_branch_call; | |
8972 | if ((align_branch & align_branch_call_bit)) | |
8973 | add_padding = 1; | |
8974 | } | |
8975 | else if (i.tm.base_opcode == 0xff | |
8976 | && (i.tm.extension_opcode == 2 | |
8977 | || i.tm.extension_opcode == 4)) | |
8978 | { | |
8979 | /* Indirect call and jmp. */ | |
8980 | *branch_p = align_branch_indirect; | |
8981 | if ((align_branch & align_branch_indirect_bit)) | |
8982 | add_padding = 1; | |
8983 | } | |
8984 | ||
8985 | if (add_padding | |
8986 | && i.disp_operands | |
8987 | && tls_get_addr | |
8988 | && (i.op[0].disps->X_op == O_symbol | |
8989 | || (i.op[0].disps->X_op == O_subtract | |
8990 | && i.op[0].disps->X_op_symbol == GOT_symbol))) | |
8991 | { | |
8992 | symbolS *s = i.op[0].disps->X_add_symbol; | |
8993 | /* No padding to call to global or undefined tls_get_addr. */ | |
8994 | if ((S_IS_EXTERNAL (s) || !S_IS_DEFINED (s)) | |
8995 | && strcmp (S_GET_NAME (s), tls_get_addr) == 0) | |
8996 | return 0; | |
8997 | } | |
8998 | } | |
8999 | ||
9000 | if (add_padding | |
9001 | && last_insn.kind != last_insn_other | |
9002 | && last_insn.seg == now_seg) | |
9003 | { | |
9004 | if (flag_debug) | |
9005 | as_warn_where (last_insn.file, last_insn.line, | |
9006 | _("`%s` skips -malign-branch-boundary on `%s`"), | |
9007 | last_insn.name, i.tm.name); | |
9008 | return 0; | |
9009 | } | |
9010 | ||
9011 | return add_padding; | |
9012 | } | |
9013 | ||
29b0f896 | 9014 | static void |
e3bb37b5 | 9015 | output_insn (void) |
29b0f896 | 9016 | { |
2bbd9c25 JJ |
9017 | fragS *insn_start_frag; |
9018 | offsetT insn_start_off; | |
e379e5f3 L |
9019 | fragS *fragP = NULL; |
9020 | enum align_branch_kind branch = align_branch_none; | |
79d72f45 HL |
9021 | /* The initializer is arbitrary just to avoid uninitialized error. |
9022 | it's actually either assigned in add_branch_padding_frag_p | |
9023 | or never be used. */ | |
9024 | enum mf_jcc_kind mf_jcc = mf_jcc_jo; | |
2bbd9c25 | 9025 | |
b4a3a7b4 L |
9026 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
9027 | if (IS_ELF && x86_used_note) | |
9028 | { | |
9029 | if (i.tm.cpu_flags.bitfield.cpucmov) | |
9030 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_CMOV; | |
9031 | if (i.tm.cpu_flags.bitfield.cpusse) | |
9032 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_SSE; | |
9033 | if (i.tm.cpu_flags.bitfield.cpusse2) | |
9034 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_SSE2; | |
9035 | if (i.tm.cpu_flags.bitfield.cpusse3) | |
9036 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_SSE3; | |
9037 | if (i.tm.cpu_flags.bitfield.cpussse3) | |
9038 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_SSSE3; | |
9039 | if (i.tm.cpu_flags.bitfield.cpusse4_1) | |
9040 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_SSE4_1; | |
9041 | if (i.tm.cpu_flags.bitfield.cpusse4_2) | |
9042 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_SSE4_2; | |
9043 | if (i.tm.cpu_flags.bitfield.cpuavx) | |
9044 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX; | |
9045 | if (i.tm.cpu_flags.bitfield.cpuavx2) | |
9046 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX2; | |
9047 | if (i.tm.cpu_flags.bitfield.cpufma) | |
9048 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_FMA; | |
9049 | if (i.tm.cpu_flags.bitfield.cpuavx512f) | |
9050 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512F; | |
9051 | if (i.tm.cpu_flags.bitfield.cpuavx512cd) | |
9052 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512CD; | |
9053 | if (i.tm.cpu_flags.bitfield.cpuavx512er) | |
9054 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512ER; | |
9055 | if (i.tm.cpu_flags.bitfield.cpuavx512pf) | |
9056 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512PF; | |
9057 | if (i.tm.cpu_flags.bitfield.cpuavx512vl) | |
9058 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512VL; | |
9059 | if (i.tm.cpu_flags.bitfield.cpuavx512dq) | |
9060 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512DQ; | |
9061 | if (i.tm.cpu_flags.bitfield.cpuavx512bw) | |
9062 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512BW; | |
9063 | if (i.tm.cpu_flags.bitfield.cpuavx512_4fmaps) | |
9064 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512_4FMAPS; | |
9065 | if (i.tm.cpu_flags.bitfield.cpuavx512_4vnniw) | |
9066 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512_4VNNIW; | |
9067 | if (i.tm.cpu_flags.bitfield.cpuavx512_bitalg) | |
9068 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512_BITALG; | |
9069 | if (i.tm.cpu_flags.bitfield.cpuavx512ifma) | |
9070 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512_IFMA; | |
9071 | if (i.tm.cpu_flags.bitfield.cpuavx512vbmi) | |
9072 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512_VBMI; | |
9073 | if (i.tm.cpu_flags.bitfield.cpuavx512_vbmi2) | |
9074 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512_VBMI2; | |
9075 | if (i.tm.cpu_flags.bitfield.cpuavx512_vnni) | |
9076 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512_VNNI; | |
462cac58 L |
9077 | if (i.tm.cpu_flags.bitfield.cpuavx512_bf16) |
9078 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512_BF16; | |
b4a3a7b4 L |
9079 | |
9080 | if (i.tm.cpu_flags.bitfield.cpu8087 | |
9081 | || i.tm.cpu_flags.bitfield.cpu287 | |
9082 | || i.tm.cpu_flags.bitfield.cpu387 | |
9083 | || i.tm.cpu_flags.bitfield.cpu687 | |
9084 | || i.tm.cpu_flags.bitfield.cpufisttp) | |
9085 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_X87; | |
319ff62c JB |
9086 | if (i.has_regmmx |
9087 | || i.tm.base_opcode == 0xf77 /* emms */ | |
a7e12755 L |
9088 | || i.tm.base_opcode == 0xf0e /* femms */ |
9089 | || i.tm.base_opcode == 0xf2a /* cvtpi2ps */ | |
9090 | || i.tm.base_opcode == 0x660f2a /* cvtpi2pd */) | |
b4a3a7b4 L |
9091 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_MMX; |
9092 | if (i.has_regxmm) | |
9093 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_XMM; | |
9094 | if (i.has_regymm) | |
9095 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_YMM; | |
9096 | if (i.has_regzmm) | |
9097 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_ZMM; | |
9098 | if (i.tm.cpu_flags.bitfield.cpufxsr) | |
9099 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_FXSR; | |
9100 | if (i.tm.cpu_flags.bitfield.cpuxsave) | |
9101 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_XSAVE; | |
9102 | if (i.tm.cpu_flags.bitfield.cpuxsaveopt) | |
9103 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_XSAVEOPT; | |
9104 | if (i.tm.cpu_flags.bitfield.cpuxsavec) | |
9105 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_XSAVEC; | |
9106 | } | |
9107 | #endif | |
9108 | ||
29b0f896 AM |
9109 | /* Tie dwarf2 debug info to the address at the start of the insn. |
9110 | We can't do this after the insn has been output as the current | |
9111 | frag may have been closed off. eg. by frag_var. */ | |
9112 | dwarf2_emit_insn (0); | |
9113 | ||
2bbd9c25 JJ |
9114 | insn_start_frag = frag_now; |
9115 | insn_start_off = frag_now_fix (); | |
9116 | ||
79d72f45 | 9117 | if (add_branch_padding_frag_p (&branch, &mf_jcc)) |
e379e5f3 L |
9118 | { |
9119 | char *p; | |
9120 | /* Branch can be 8 bytes. Leave some room for prefixes. */ | |
9121 | unsigned int max_branch_padding_size = 14; | |
9122 | ||
9123 | /* Align section to boundary. */ | |
9124 | record_alignment (now_seg, align_branch_power); | |
9125 | ||
9126 | /* Make room for padding. */ | |
9127 | frag_grow (max_branch_padding_size); | |
9128 | ||
9129 | /* Start of the padding. */ | |
9130 | p = frag_more (0); | |
9131 | ||
9132 | fragP = frag_now; | |
9133 | ||
9134 | frag_var (rs_machine_dependent, max_branch_padding_size, 0, | |
9135 | ENCODE_RELAX_STATE (BRANCH_PADDING, 0), | |
9136 | NULL, 0, p); | |
9137 | ||
79d72f45 | 9138 | fragP->tc_frag_data.mf_type = mf_jcc; |
e379e5f3 L |
9139 | fragP->tc_frag_data.branch_type = branch; |
9140 | fragP->tc_frag_data.max_bytes = max_branch_padding_size; | |
9141 | } | |
9142 | ||
29b0f896 | 9143 | /* Output jumps. */ |
0cfa3eb3 | 9144 | if (i.tm.opcode_modifier.jump == JUMP) |
29b0f896 | 9145 | output_branch (); |
0cfa3eb3 JB |
9146 | else if (i.tm.opcode_modifier.jump == JUMP_BYTE |
9147 | || i.tm.opcode_modifier.jump == JUMP_DWORD) | |
29b0f896 | 9148 | output_jump (); |
0cfa3eb3 | 9149 | else if (i.tm.opcode_modifier.jump == JUMP_INTERSEGMENT) |
29b0f896 AM |
9150 | output_interseg_jump (); |
9151 | else | |
9152 | { | |
9153 | /* Output normal instructions here. */ | |
9154 | char *p; | |
9155 | unsigned char *q; | |
47465058 | 9156 | unsigned int j; |
331d2d0d | 9157 | unsigned int prefix; |
79d72f45 | 9158 | enum mf_cmp_kind mf_cmp; |
4dffcebc | 9159 | |
e4e00185 | 9160 | if (avoid_fence |
c3949f43 JB |
9161 | && (i.tm.base_opcode == 0xfaee8 |
9162 | || i.tm.base_opcode == 0xfaef0 | |
9163 | || i.tm.base_opcode == 0xfaef8)) | |
e4e00185 AS |
9164 | { |
9165 | /* Encode lfence, mfence, and sfence as | |
9166 | f0 83 04 24 00 lock addl $0x0, (%{re}sp). */ | |
9167 | offsetT val = 0x240483f0ULL; | |
9168 | p = frag_more (5); | |
9169 | md_number_to_chars (p, val, 5); | |
9170 | return; | |
9171 | } | |
9172 | ||
d022bddd IT |
9173 | /* Some processors fail on LOCK prefix. This options makes |
9174 | assembler ignore LOCK prefix and serves as a workaround. */ | |
9175 | if (omit_lock_prefix) | |
9176 | { | |
9177 | if (i.tm.base_opcode == LOCK_PREFIX_OPCODE) | |
9178 | return; | |
9179 | i.prefix[LOCK_PREFIX] = 0; | |
9180 | } | |
9181 | ||
e379e5f3 L |
9182 | if (branch) |
9183 | /* Skip if this is a branch. */ | |
9184 | ; | |
79d72f45 | 9185 | else if (add_fused_jcc_padding_frag_p (&mf_cmp)) |
e379e5f3 L |
9186 | { |
9187 | /* Make room for padding. */ | |
9188 | frag_grow (MAX_FUSED_JCC_PADDING_SIZE); | |
9189 | p = frag_more (0); | |
9190 | ||
9191 | fragP = frag_now; | |
9192 | ||
9193 | frag_var (rs_machine_dependent, MAX_FUSED_JCC_PADDING_SIZE, 0, | |
9194 | ENCODE_RELAX_STATE (FUSED_JCC_PADDING, 0), | |
9195 | NULL, 0, p); | |
9196 | ||
79d72f45 | 9197 | fragP->tc_frag_data.mf_type = mf_cmp; |
e379e5f3 L |
9198 | fragP->tc_frag_data.branch_type = align_branch_fused; |
9199 | fragP->tc_frag_data.max_bytes = MAX_FUSED_JCC_PADDING_SIZE; | |
9200 | } | |
9201 | else if (add_branch_prefix_frag_p ()) | |
9202 | { | |
9203 | unsigned int max_prefix_size = align_branch_prefix_size; | |
9204 | ||
9205 | /* Make room for padding. */ | |
9206 | frag_grow (max_prefix_size); | |
9207 | p = frag_more (0); | |
9208 | ||
9209 | fragP = frag_now; | |
9210 | ||
9211 | frag_var (rs_machine_dependent, max_prefix_size, 0, | |
9212 | ENCODE_RELAX_STATE (BRANCH_PREFIX, 0), | |
9213 | NULL, 0, p); | |
9214 | ||
9215 | fragP->tc_frag_data.max_bytes = max_prefix_size; | |
9216 | } | |
9217 | ||
43234a1e L |
9218 | /* Since the VEX/EVEX prefix contains the implicit prefix, we |
9219 | don't need the explicit prefix. */ | |
9220 | if (!i.tm.opcode_modifier.vex && !i.tm.opcode_modifier.evex) | |
bc4bd9ab | 9221 | { |
c0f3af97 | 9222 | switch (i.tm.opcode_length) |
bc4bd9ab | 9223 | { |
c0f3af97 L |
9224 | case 3: |
9225 | if (i.tm.base_opcode & 0xff000000) | |
4dffcebc | 9226 | { |
c0f3af97 | 9227 | prefix = (i.tm.base_opcode >> 24) & 0xff; |
c3949f43 JB |
9228 | if (!i.tm.cpu_flags.bitfield.cpupadlock |
9229 | || prefix != REPE_PREFIX_OPCODE | |
9230 | || (i.prefix[REP_PREFIX] != REPE_PREFIX_OPCODE)) | |
9231 | add_prefix (prefix); | |
c0f3af97 L |
9232 | } |
9233 | break; | |
9234 | case 2: | |
9235 | if ((i.tm.base_opcode & 0xff0000) != 0) | |
9236 | { | |
9237 | prefix = (i.tm.base_opcode >> 16) & 0xff; | |
c3949f43 | 9238 | add_prefix (prefix); |
4dffcebc | 9239 | } |
c0f3af97 L |
9240 | break; |
9241 | case 1: | |
9242 | break; | |
390c91cf L |
9243 | case 0: |
9244 | /* Check for pseudo prefixes. */ | |
9245 | as_bad_where (insn_start_frag->fr_file, | |
9246 | insn_start_frag->fr_line, | |
9247 | _("pseudo prefix without instruction")); | |
9248 | return; | |
c0f3af97 L |
9249 | default: |
9250 | abort (); | |
bc4bd9ab | 9251 | } |
c0f3af97 | 9252 | |
6d19a37a | 9253 | #if defined (OBJ_MAYBE_ELF) || defined (OBJ_ELF) |
cf61b747 L |
9254 | /* For x32, add a dummy REX_OPCODE prefix for mov/add with |
9255 | R_X86_64_GOTTPOFF relocation so that linker can safely | |
14470f07 L |
9256 | perform IE->LE optimization. A dummy REX_OPCODE prefix |
9257 | is also needed for lea with R_X86_64_GOTPC32_TLSDESC | |
9258 | relocation for GDesc -> IE/LE optimization. */ | |
cf61b747 L |
9259 | if (x86_elf_abi == X86_64_X32_ABI |
9260 | && i.operands == 2 | |
14470f07 L |
9261 | && (i.reloc[0] == BFD_RELOC_X86_64_GOTTPOFF |
9262 | || i.reloc[0] == BFD_RELOC_X86_64_GOTPC32_TLSDESC) | |
cf61b747 L |
9263 | && i.prefix[REX_PREFIX] == 0) |
9264 | add_prefix (REX_OPCODE); | |
6d19a37a | 9265 | #endif |
cf61b747 | 9266 | |
c0f3af97 L |
9267 | /* The prefix bytes. */ |
9268 | for (j = ARRAY_SIZE (i.prefix), q = i.prefix; j > 0; j--, q++) | |
9269 | if (*q) | |
9270 | FRAG_APPEND_1_CHAR (*q); | |
0f10071e | 9271 | } |
ae5c1c7b | 9272 | else |
c0f3af97 L |
9273 | { |
9274 | for (j = 0, q = i.prefix; j < ARRAY_SIZE (i.prefix); j++, q++) | |
9275 | if (*q) | |
9276 | switch (j) | |
9277 | { | |
9278 | case REX_PREFIX: | |
9279 | /* REX byte is encoded in VEX prefix. */ | |
9280 | break; | |
9281 | case SEG_PREFIX: | |
9282 | case ADDR_PREFIX: | |
9283 | FRAG_APPEND_1_CHAR (*q); | |
9284 | break; | |
9285 | default: | |
9286 | /* There should be no other prefixes for instructions | |
9287 | with VEX prefix. */ | |
9288 | abort (); | |
9289 | } | |
9290 | ||
43234a1e L |
9291 | /* For EVEX instructions i.vrex should become 0 after |
9292 | build_evex_prefix. For VEX instructions upper 16 registers | |
9293 | aren't available, so VREX should be 0. */ | |
9294 | if (i.vrex) | |
9295 | abort (); | |
c0f3af97 L |
9296 | /* Now the VEX prefix. */ |
9297 | p = frag_more (i.vex.length); | |
9298 | for (j = 0; j < i.vex.length; j++) | |
9299 | p[j] = i.vex.bytes[j]; | |
9300 | } | |
252b5132 | 9301 | |
29b0f896 | 9302 | /* Now the opcode; be careful about word order here! */ |
4dffcebc | 9303 | if (i.tm.opcode_length == 1) |
29b0f896 AM |
9304 | { |
9305 | FRAG_APPEND_1_CHAR (i.tm.base_opcode); | |
9306 | } | |
9307 | else | |
9308 | { | |
4dffcebc | 9309 | switch (i.tm.opcode_length) |
331d2d0d | 9310 | { |
43234a1e L |
9311 | case 4: |
9312 | p = frag_more (4); | |
9313 | *p++ = (i.tm.base_opcode >> 24) & 0xff; | |
9314 | *p++ = (i.tm.base_opcode >> 16) & 0xff; | |
9315 | break; | |
4dffcebc | 9316 | case 3: |
331d2d0d L |
9317 | p = frag_more (3); |
9318 | *p++ = (i.tm.base_opcode >> 16) & 0xff; | |
4dffcebc L |
9319 | break; |
9320 | case 2: | |
9321 | p = frag_more (2); | |
9322 | break; | |
9323 | default: | |
9324 | abort (); | |
9325 | break; | |
331d2d0d | 9326 | } |
0f10071e | 9327 | |
29b0f896 AM |
9328 | /* Put out high byte first: can't use md_number_to_chars! */ |
9329 | *p++ = (i.tm.base_opcode >> 8) & 0xff; | |
9330 | *p = i.tm.base_opcode & 0xff; | |
9331 | } | |
3e73aa7c | 9332 | |
29b0f896 | 9333 | /* Now the modrm byte and sib byte (if present). */ |
40fb9820 | 9334 | if (i.tm.opcode_modifier.modrm) |
29b0f896 | 9335 | { |
4a3523fa L |
9336 | FRAG_APPEND_1_CHAR ((i.rm.regmem << 0 |
9337 | | i.rm.reg << 3 | |
9338 | | i.rm.mode << 6)); | |
29b0f896 AM |
9339 | /* If i.rm.regmem == ESP (4) |
9340 | && i.rm.mode != (Register mode) | |
9341 | && not 16 bit | |
9342 | ==> need second modrm byte. */ | |
9343 | if (i.rm.regmem == ESCAPE_TO_TWO_BYTE_ADDRESSING | |
9344 | && i.rm.mode != 3 | |
dc821c5f | 9345 | && !(i.base_reg && i.base_reg->reg_type.bitfield.word)) |
4a3523fa L |
9346 | FRAG_APPEND_1_CHAR ((i.sib.base << 0 |
9347 | | i.sib.index << 3 | |
9348 | | i.sib.scale << 6)); | |
29b0f896 | 9349 | } |
3e73aa7c | 9350 | |
29b0f896 | 9351 | if (i.disp_operands) |
2bbd9c25 | 9352 | output_disp (insn_start_frag, insn_start_off); |
3e73aa7c | 9353 | |
29b0f896 | 9354 | if (i.imm_operands) |
2bbd9c25 | 9355 | output_imm (insn_start_frag, insn_start_off); |
9c33702b JB |
9356 | |
9357 | /* | |
9358 | * frag_now_fix () returning plain abs_section_offset when we're in the | |
9359 | * absolute section, and abs_section_offset not getting updated as data | |
9360 | * gets added to the frag breaks the logic below. | |
9361 | */ | |
9362 | if (now_seg != absolute_section) | |
9363 | { | |
9364 | j = encoding_length (insn_start_frag, insn_start_off, frag_more (0)); | |
9365 | if (j > 15) | |
9366 | as_warn (_("instruction length of %u bytes exceeds the limit of 15"), | |
9367 | j); | |
e379e5f3 L |
9368 | else if (fragP) |
9369 | { | |
9370 | /* NB: Don't add prefix with GOTPC relocation since | |
9371 | output_disp() above depends on the fixed encoding | |
9372 | length. Can't add prefix with TLS relocation since | |
9373 | it breaks TLS linker optimization. */ | |
9374 | unsigned int max = i.has_gotpc_tls_reloc ? 0 : 15 - j; | |
9375 | /* Prefix count on the current instruction. */ | |
9376 | unsigned int count = i.vex.length; | |
9377 | unsigned int k; | |
9378 | for (k = 0; k < ARRAY_SIZE (i.prefix); k++) | |
9379 | /* REX byte is encoded in VEX/EVEX prefix. */ | |
9380 | if (i.prefix[k] && (k != REX_PREFIX || !i.vex.length)) | |
9381 | count++; | |
9382 | ||
9383 | /* Count prefixes for extended opcode maps. */ | |
9384 | if (!i.vex.length) | |
9385 | switch (i.tm.opcode_length) | |
9386 | { | |
9387 | case 3: | |
9388 | if (((i.tm.base_opcode >> 16) & 0xff) == 0xf) | |
9389 | { | |
9390 | count++; | |
9391 | switch ((i.tm.base_opcode >> 8) & 0xff) | |
9392 | { | |
9393 | case 0x38: | |
9394 | case 0x3a: | |
9395 | count++; | |
9396 | break; | |
9397 | default: | |
9398 | break; | |
9399 | } | |
9400 | } | |
9401 | break; | |
9402 | case 2: | |
9403 | if (((i.tm.base_opcode >> 8) & 0xff) == 0xf) | |
9404 | count++; | |
9405 | break; | |
9406 | case 1: | |
9407 | break; | |
9408 | default: | |
9409 | abort (); | |
9410 | } | |
9411 | ||
9412 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) | |
9413 | == BRANCH_PREFIX) | |
9414 | { | |
9415 | /* Set the maximum prefix size in BRANCH_PREFIX | |
9416 | frag. */ | |
9417 | if (fragP->tc_frag_data.max_bytes > max) | |
9418 | fragP->tc_frag_data.max_bytes = max; | |
9419 | if (fragP->tc_frag_data.max_bytes > count) | |
9420 | fragP->tc_frag_data.max_bytes -= count; | |
9421 | else | |
9422 | fragP->tc_frag_data.max_bytes = 0; | |
9423 | } | |
9424 | else | |
9425 | { | |
9426 | /* Remember the maximum prefix size in FUSED_JCC_PADDING | |
9427 | frag. */ | |
9428 | unsigned int max_prefix_size; | |
9429 | if (align_branch_prefix_size > max) | |
9430 | max_prefix_size = max; | |
9431 | else | |
9432 | max_prefix_size = align_branch_prefix_size; | |
9433 | if (max_prefix_size > count) | |
9434 | fragP->tc_frag_data.max_prefix_length | |
9435 | = max_prefix_size - count; | |
9436 | } | |
9437 | ||
9438 | /* Use existing segment prefix if possible. Use CS | |
9439 | segment prefix in 64-bit mode. In 32-bit mode, use SS | |
9440 | segment prefix with ESP/EBP base register and use DS | |
9441 | segment prefix without ESP/EBP base register. */ | |
9442 | if (i.prefix[SEG_PREFIX]) | |
9443 | fragP->tc_frag_data.default_prefix = i.prefix[SEG_PREFIX]; | |
9444 | else if (flag_code == CODE_64BIT) | |
9445 | fragP->tc_frag_data.default_prefix = CS_PREFIX_OPCODE; | |
9446 | else if (i.base_reg | |
9447 | && (i.base_reg->reg_num == 4 | |
9448 | || i.base_reg->reg_num == 5)) | |
9449 | fragP->tc_frag_data.default_prefix = SS_PREFIX_OPCODE; | |
9450 | else | |
9451 | fragP->tc_frag_data.default_prefix = DS_PREFIX_OPCODE; | |
9452 | } | |
9c33702b | 9453 | } |
29b0f896 | 9454 | } |
252b5132 | 9455 | |
e379e5f3 L |
9456 | /* NB: Don't work with COND_JUMP86 without i386. */ |
9457 | if (align_branch_power | |
9458 | && now_seg != absolute_section | |
9459 | && cpu_arch_flags.bitfield.cpui386) | |
9460 | { | |
9461 | /* Terminate each frag so that we can add prefix and check for | |
9462 | fused jcc. */ | |
9463 | frag_wane (frag_now); | |
9464 | frag_new (0); | |
9465 | } | |
9466 | ||
29b0f896 AM |
9467 | #ifdef DEBUG386 |
9468 | if (flag_debug) | |
9469 | { | |
7b81dfbb | 9470 | pi ("" /*line*/, &i); |
29b0f896 AM |
9471 | } |
9472 | #endif /* DEBUG386 */ | |
9473 | } | |
252b5132 | 9474 | |
e205caa7 L |
9475 | /* Return the size of the displacement operand N. */ |
9476 | ||
9477 | static int | |
9478 | disp_size (unsigned int n) | |
9479 | { | |
9480 | int size = 4; | |
43234a1e | 9481 | |
b5014f7a | 9482 | if (i.types[n].bitfield.disp64) |
40fb9820 L |
9483 | size = 8; |
9484 | else if (i.types[n].bitfield.disp8) | |
9485 | size = 1; | |
9486 | else if (i.types[n].bitfield.disp16) | |
9487 | size = 2; | |
e205caa7 L |
9488 | return size; |
9489 | } | |
9490 | ||
9491 | /* Return the size of the immediate operand N. */ | |
9492 | ||
9493 | static int | |
9494 | imm_size (unsigned int n) | |
9495 | { | |
9496 | int size = 4; | |
40fb9820 L |
9497 | if (i.types[n].bitfield.imm64) |
9498 | size = 8; | |
9499 | else if (i.types[n].bitfield.imm8 || i.types[n].bitfield.imm8s) | |
9500 | size = 1; | |
9501 | else if (i.types[n].bitfield.imm16) | |
9502 | size = 2; | |
e205caa7 L |
9503 | return size; |
9504 | } | |
9505 | ||
29b0f896 | 9506 | static void |
64e74474 | 9507 | output_disp (fragS *insn_start_frag, offsetT insn_start_off) |
29b0f896 AM |
9508 | { |
9509 | char *p; | |
9510 | unsigned int n; | |
252b5132 | 9511 | |
29b0f896 AM |
9512 | for (n = 0; n < i.operands; n++) |
9513 | { | |
b5014f7a | 9514 | if (operand_type_check (i.types[n], disp)) |
29b0f896 AM |
9515 | { |
9516 | if (i.op[n].disps->X_op == O_constant) | |
9517 | { | |
e205caa7 | 9518 | int size = disp_size (n); |
43234a1e | 9519 | offsetT val = i.op[n].disps->X_add_number; |
252b5132 | 9520 | |
629cfaf1 JB |
9521 | val = offset_in_range (val >> (size == 1 ? i.memshift : 0), |
9522 | size); | |
29b0f896 AM |
9523 | p = frag_more (size); |
9524 | md_number_to_chars (p, val, size); | |
9525 | } | |
9526 | else | |
9527 | { | |
f86103b7 | 9528 | enum bfd_reloc_code_real reloc_type; |
e205caa7 | 9529 | int size = disp_size (n); |
40fb9820 | 9530 | int sign = i.types[n].bitfield.disp32s; |
29b0f896 | 9531 | int pcrel = (i.flags[n] & Operand_PCrel) != 0; |
02a86693 | 9532 | fixS *fixP; |
29b0f896 | 9533 | |
e205caa7 | 9534 | /* We can't have 8 bit displacement here. */ |
9c2799c2 | 9535 | gas_assert (!i.types[n].bitfield.disp8); |
e205caa7 | 9536 | |
29b0f896 AM |
9537 | /* The PC relative address is computed relative |
9538 | to the instruction boundary, so in case immediate | |
9539 | fields follows, we need to adjust the value. */ | |
9540 | if (pcrel && i.imm_operands) | |
9541 | { | |
29b0f896 | 9542 | unsigned int n1; |
e205caa7 | 9543 | int sz = 0; |
252b5132 | 9544 | |
29b0f896 | 9545 | for (n1 = 0; n1 < i.operands; n1++) |
40fb9820 | 9546 | if (operand_type_check (i.types[n1], imm)) |
252b5132 | 9547 | { |
e205caa7 L |
9548 | /* Only one immediate is allowed for PC |
9549 | relative address. */ | |
9c2799c2 | 9550 | gas_assert (sz == 0); |
e205caa7 L |
9551 | sz = imm_size (n1); |
9552 | i.op[n].disps->X_add_number -= sz; | |
252b5132 | 9553 | } |
29b0f896 | 9554 | /* We should find the immediate. */ |
9c2799c2 | 9555 | gas_assert (sz != 0); |
29b0f896 | 9556 | } |
520dc8e8 | 9557 | |
29b0f896 | 9558 | p = frag_more (size); |
d258b828 | 9559 | reloc_type = reloc (size, pcrel, sign, i.reloc[n]); |
d6ab8113 | 9560 | if (GOT_symbol |
2bbd9c25 | 9561 | && GOT_symbol == i.op[n].disps->X_add_symbol |
d6ab8113 | 9562 | && (((reloc_type == BFD_RELOC_32 |
7b81dfbb AJ |
9563 | || reloc_type == BFD_RELOC_X86_64_32S |
9564 | || (reloc_type == BFD_RELOC_64 | |
9565 | && object_64bit)) | |
d6ab8113 JB |
9566 | && (i.op[n].disps->X_op == O_symbol |
9567 | || (i.op[n].disps->X_op == O_add | |
9568 | && ((symbol_get_value_expression | |
9569 | (i.op[n].disps->X_op_symbol)->X_op) | |
9570 | == O_subtract)))) | |
9571 | || reloc_type == BFD_RELOC_32_PCREL)) | |
2bbd9c25 | 9572 | { |
4fa24527 | 9573 | if (!object_64bit) |
7b81dfbb AJ |
9574 | { |
9575 | reloc_type = BFD_RELOC_386_GOTPC; | |
e379e5f3 | 9576 | i.has_gotpc_tls_reloc = TRUE; |
d583596c JB |
9577 | i.op[n].imms->X_add_number += |
9578 | encoding_length (insn_start_frag, insn_start_off, p); | |
7b81dfbb AJ |
9579 | } |
9580 | else if (reloc_type == BFD_RELOC_64) | |
9581 | reloc_type = BFD_RELOC_X86_64_GOTPC64; | |
d6ab8113 | 9582 | else |
7b81dfbb AJ |
9583 | /* Don't do the adjustment for x86-64, as there |
9584 | the pcrel addressing is relative to the _next_ | |
9585 | insn, and that is taken care of in other code. */ | |
d6ab8113 | 9586 | reloc_type = BFD_RELOC_X86_64_GOTPC32; |
2bbd9c25 | 9587 | } |
e379e5f3 L |
9588 | else if (align_branch_power) |
9589 | { | |
9590 | switch (reloc_type) | |
9591 | { | |
9592 | case BFD_RELOC_386_TLS_GD: | |
9593 | case BFD_RELOC_386_TLS_LDM: | |
9594 | case BFD_RELOC_386_TLS_IE: | |
9595 | case BFD_RELOC_386_TLS_IE_32: | |
9596 | case BFD_RELOC_386_TLS_GOTIE: | |
9597 | case BFD_RELOC_386_TLS_GOTDESC: | |
9598 | case BFD_RELOC_386_TLS_DESC_CALL: | |
9599 | case BFD_RELOC_X86_64_TLSGD: | |
9600 | case BFD_RELOC_X86_64_TLSLD: | |
9601 | case BFD_RELOC_X86_64_GOTTPOFF: | |
9602 | case BFD_RELOC_X86_64_GOTPC32_TLSDESC: | |
9603 | case BFD_RELOC_X86_64_TLSDESC_CALL: | |
9604 | i.has_gotpc_tls_reloc = TRUE; | |
9605 | default: | |
9606 | break; | |
9607 | } | |
9608 | } | |
02a86693 L |
9609 | fixP = fix_new_exp (frag_now, p - frag_now->fr_literal, |
9610 | size, i.op[n].disps, pcrel, | |
9611 | reloc_type); | |
9612 | /* Check for "call/jmp *mem", "mov mem, %reg", | |
9613 | "test %reg, mem" and "binop mem, %reg" where binop | |
9614 | is one of adc, add, and, cmp, or, sbb, sub, xor | |
e60f4d3b L |
9615 | instructions without data prefix. Always generate |
9616 | R_386_GOT32X for "sym*GOT" operand in 32-bit mode. */ | |
9617 | if (i.prefix[DATA_PREFIX] == 0 | |
9618 | && (generate_relax_relocations | |
9619 | || (!object_64bit | |
9620 | && i.rm.mode == 0 | |
9621 | && i.rm.regmem == 5)) | |
0cb4071e L |
9622 | && (i.rm.mode == 2 |
9623 | || (i.rm.mode == 0 && i.rm.regmem == 5)) | |
2ae4c703 | 9624 | && !is_any_vex_encoding(&i.tm) |
02a86693 L |
9625 | && ((i.operands == 1 |
9626 | && i.tm.base_opcode == 0xff | |
9627 | && (i.rm.reg == 2 || i.rm.reg == 4)) | |
9628 | || (i.operands == 2 | |
9629 | && (i.tm.base_opcode == 0x8b | |
9630 | || i.tm.base_opcode == 0x85 | |
2ae4c703 | 9631 | || (i.tm.base_opcode & ~0x38) == 0x03)))) |
02a86693 L |
9632 | { |
9633 | if (object_64bit) | |
9634 | { | |
9635 | fixP->fx_tcbit = i.rex != 0; | |
9636 | if (i.base_reg | |
e968fc9b | 9637 | && (i.base_reg->reg_num == RegIP)) |
02a86693 L |
9638 | fixP->fx_tcbit2 = 1; |
9639 | } | |
9640 | else | |
9641 | fixP->fx_tcbit2 = 1; | |
9642 | } | |
29b0f896 AM |
9643 | } |
9644 | } | |
9645 | } | |
9646 | } | |
252b5132 | 9647 | |
29b0f896 | 9648 | static void |
64e74474 | 9649 | output_imm (fragS *insn_start_frag, offsetT insn_start_off) |
29b0f896 AM |
9650 | { |
9651 | char *p; | |
9652 | unsigned int n; | |
252b5132 | 9653 | |
29b0f896 AM |
9654 | for (n = 0; n < i.operands; n++) |
9655 | { | |
43234a1e L |
9656 | /* Skip SAE/RC Imm operand in EVEX. They are already handled. */ |
9657 | if (i.rounding && (int) n == i.rounding->operand) | |
9658 | continue; | |
9659 | ||
40fb9820 | 9660 | if (operand_type_check (i.types[n], imm)) |
29b0f896 AM |
9661 | { |
9662 | if (i.op[n].imms->X_op == O_constant) | |
9663 | { | |
e205caa7 | 9664 | int size = imm_size (n); |
29b0f896 | 9665 | offsetT val; |
b4cac588 | 9666 | |
29b0f896 AM |
9667 | val = offset_in_range (i.op[n].imms->X_add_number, |
9668 | size); | |
9669 | p = frag_more (size); | |
9670 | md_number_to_chars (p, val, size); | |
9671 | } | |
9672 | else | |
9673 | { | |
9674 | /* Not absolute_section. | |
9675 | Need a 32-bit fixup (don't support 8bit | |
9676 | non-absolute imms). Try to support other | |
9677 | sizes ... */ | |
f86103b7 | 9678 | enum bfd_reloc_code_real reloc_type; |
e205caa7 L |
9679 | int size = imm_size (n); |
9680 | int sign; | |
29b0f896 | 9681 | |
40fb9820 | 9682 | if (i.types[n].bitfield.imm32s |
a7d61044 | 9683 | && (i.suffix == QWORD_MNEM_SUFFIX |
40fb9820 | 9684 | || (!i.suffix && i.tm.opcode_modifier.no_lsuf))) |
29b0f896 | 9685 | sign = 1; |
e205caa7 L |
9686 | else |
9687 | sign = 0; | |
520dc8e8 | 9688 | |
29b0f896 | 9689 | p = frag_more (size); |
d258b828 | 9690 | reloc_type = reloc (size, 0, sign, i.reloc[n]); |
f86103b7 | 9691 | |
2bbd9c25 JJ |
9692 | /* This is tough to explain. We end up with this one if we |
9693 | * have operands that look like | |
9694 | * "_GLOBAL_OFFSET_TABLE_+[.-.L284]". The goal here is to | |
9695 | * obtain the absolute address of the GOT, and it is strongly | |
9696 | * preferable from a performance point of view to avoid using | |
9697 | * a runtime relocation for this. The actual sequence of | |
9698 | * instructions often look something like: | |
9699 | * | |
9700 | * call .L66 | |
9701 | * .L66: | |
9702 | * popl %ebx | |
9703 | * addl $_GLOBAL_OFFSET_TABLE_+[.-.L66],%ebx | |
9704 | * | |
9705 | * The call and pop essentially return the absolute address | |
9706 | * of the label .L66 and store it in %ebx. The linker itself | |
9707 | * will ultimately change the first operand of the addl so | |
9708 | * that %ebx points to the GOT, but to keep things simple, the | |
9709 | * .o file must have this operand set so that it generates not | |
9710 | * the absolute address of .L66, but the absolute address of | |
9711 | * itself. This allows the linker itself simply treat a GOTPC | |
9712 | * relocation as asking for a pcrel offset to the GOT to be | |
9713 | * added in, and the addend of the relocation is stored in the | |
9714 | * operand field for the instruction itself. | |
9715 | * | |
9716 | * Our job here is to fix the operand so that it would add | |
9717 | * the correct offset so that %ebx would point to itself. The | |
9718 | * thing that is tricky is that .-.L66 will point to the | |
9719 | * beginning of the instruction, so we need to further modify | |
9720 | * the operand so that it will point to itself. There are | |
9721 | * other cases where you have something like: | |
9722 | * | |
9723 | * .long $_GLOBAL_OFFSET_TABLE_+[.-.L66] | |
9724 | * | |
9725 | * and here no correction would be required. Internally in | |
9726 | * the assembler we treat operands of this form as not being | |
9727 | * pcrel since the '.' is explicitly mentioned, and I wonder | |
9728 | * whether it would simplify matters to do it this way. Who | |
9729 | * knows. In earlier versions of the PIC patches, the | |
9730 | * pcrel_adjust field was used to store the correction, but | |
9731 | * since the expression is not pcrel, I felt it would be | |
9732 | * confusing to do it this way. */ | |
9733 | ||
d6ab8113 | 9734 | if ((reloc_type == BFD_RELOC_32 |
7b81dfbb AJ |
9735 | || reloc_type == BFD_RELOC_X86_64_32S |
9736 | || reloc_type == BFD_RELOC_64) | |
29b0f896 AM |
9737 | && GOT_symbol |
9738 | && GOT_symbol == i.op[n].imms->X_add_symbol | |
9739 | && (i.op[n].imms->X_op == O_symbol | |
9740 | || (i.op[n].imms->X_op == O_add | |
9741 | && ((symbol_get_value_expression | |
9742 | (i.op[n].imms->X_op_symbol)->X_op) | |
9743 | == O_subtract)))) | |
9744 | { | |
4fa24527 | 9745 | if (!object_64bit) |
d6ab8113 | 9746 | reloc_type = BFD_RELOC_386_GOTPC; |
7b81dfbb | 9747 | else if (size == 4) |
d6ab8113 | 9748 | reloc_type = BFD_RELOC_X86_64_GOTPC32; |
7b81dfbb AJ |
9749 | else if (size == 8) |
9750 | reloc_type = BFD_RELOC_X86_64_GOTPC64; | |
e379e5f3 | 9751 | i.has_gotpc_tls_reloc = TRUE; |
d583596c JB |
9752 | i.op[n].imms->X_add_number += |
9753 | encoding_length (insn_start_frag, insn_start_off, p); | |
29b0f896 | 9754 | } |
29b0f896 AM |
9755 | fix_new_exp (frag_now, p - frag_now->fr_literal, size, |
9756 | i.op[n].imms, 0, reloc_type); | |
9757 | } | |
9758 | } | |
9759 | } | |
252b5132 RH |
9760 | } |
9761 | \f | |
d182319b JB |
9762 | /* x86_cons_fix_new is called via the expression parsing code when a |
9763 | reloc is needed. We use this hook to get the correct .got reloc. */ | |
d182319b JB |
9764 | static int cons_sign = -1; |
9765 | ||
9766 | void | |
e3bb37b5 | 9767 | x86_cons_fix_new (fragS *frag, unsigned int off, unsigned int len, |
62ebcb5c | 9768 | expressionS *exp, bfd_reloc_code_real_type r) |
d182319b | 9769 | { |
d258b828 | 9770 | r = reloc (len, 0, cons_sign, r); |
d182319b JB |
9771 | |
9772 | #ifdef TE_PE | |
9773 | if (exp->X_op == O_secrel) | |
9774 | { | |
9775 | exp->X_op = O_symbol; | |
9776 | r = BFD_RELOC_32_SECREL; | |
9777 | } | |
9778 | #endif | |
9779 | ||
9780 | fix_new_exp (frag, off, len, exp, 0, r); | |
9781 | } | |
9782 | ||
357d1bd8 L |
9783 | /* Export the ABI address size for use by TC_ADDRESS_BYTES for the |
9784 | purpose of the `.dc.a' internal pseudo-op. */ | |
9785 | ||
9786 | int | |
9787 | x86_address_bytes (void) | |
9788 | { | |
9789 | if ((stdoutput->arch_info->mach & bfd_mach_x64_32)) | |
9790 | return 4; | |
9791 | return stdoutput->arch_info->bits_per_address / 8; | |
9792 | } | |
9793 | ||
d382c579 TG |
9794 | #if !(defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) || defined (OBJ_MACH_O)) \ |
9795 | || defined (LEX_AT) | |
d258b828 | 9796 | # define lex_got(reloc, adjust, types) NULL |
718ddfc0 | 9797 | #else |
f3c180ae AM |
9798 | /* Parse operands of the form |
9799 | <symbol>@GOTOFF+<nnn> | |
9800 | and similar .plt or .got references. | |
9801 | ||
9802 | If we find one, set up the correct relocation in RELOC and copy the | |
9803 | input string, minus the `@GOTOFF' into a malloc'd buffer for | |
9804 | parsing by the calling routine. Return this buffer, and if ADJUST | |
9805 | is non-null set it to the length of the string we removed from the | |
9806 | input line. Otherwise return NULL. */ | |
9807 | static char * | |
91d6fa6a | 9808 | lex_got (enum bfd_reloc_code_real *rel, |
64e74474 | 9809 | int *adjust, |
d258b828 | 9810 | i386_operand_type *types) |
f3c180ae | 9811 | { |
7b81dfbb AJ |
9812 | /* Some of the relocations depend on the size of what field is to |
9813 | be relocated. But in our callers i386_immediate and i386_displacement | |
9814 | we don't yet know the operand size (this will be set by insn | |
9815 | matching). Hence we record the word32 relocation here, | |
9816 | and adjust the reloc according to the real size in reloc(). */ | |
f3c180ae AM |
9817 | static const struct { |
9818 | const char *str; | |
cff8d58a | 9819 | int len; |
4fa24527 | 9820 | const enum bfd_reloc_code_real rel[2]; |
40fb9820 | 9821 | const i386_operand_type types64; |
f3c180ae | 9822 | } gotrel[] = { |
8ce3d284 | 9823 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8fd4256d L |
9824 | { STRING_COMMA_LEN ("SIZE"), { BFD_RELOC_SIZE32, |
9825 | BFD_RELOC_SIZE32 }, | |
9826 | OPERAND_TYPE_IMM32_64 }, | |
8ce3d284 | 9827 | #endif |
cff8d58a L |
9828 | { STRING_COMMA_LEN ("PLTOFF"), { _dummy_first_bfd_reloc_code_real, |
9829 | BFD_RELOC_X86_64_PLTOFF64 }, | |
40fb9820 | 9830 | OPERAND_TYPE_IMM64 }, |
cff8d58a L |
9831 | { STRING_COMMA_LEN ("PLT"), { BFD_RELOC_386_PLT32, |
9832 | BFD_RELOC_X86_64_PLT32 }, | |
40fb9820 | 9833 | OPERAND_TYPE_IMM32_32S_DISP32 }, |
cff8d58a L |
9834 | { STRING_COMMA_LEN ("GOTPLT"), { _dummy_first_bfd_reloc_code_real, |
9835 | BFD_RELOC_X86_64_GOTPLT64 }, | |
40fb9820 | 9836 | OPERAND_TYPE_IMM64_DISP64 }, |
cff8d58a L |
9837 | { STRING_COMMA_LEN ("GOTOFF"), { BFD_RELOC_386_GOTOFF, |
9838 | BFD_RELOC_X86_64_GOTOFF64 }, | |
40fb9820 | 9839 | OPERAND_TYPE_IMM64_DISP64 }, |
cff8d58a L |
9840 | { STRING_COMMA_LEN ("GOTPCREL"), { _dummy_first_bfd_reloc_code_real, |
9841 | BFD_RELOC_X86_64_GOTPCREL }, | |
40fb9820 | 9842 | OPERAND_TYPE_IMM32_32S_DISP32 }, |
cff8d58a L |
9843 | { STRING_COMMA_LEN ("TLSGD"), { BFD_RELOC_386_TLS_GD, |
9844 | BFD_RELOC_X86_64_TLSGD }, | |
40fb9820 | 9845 | OPERAND_TYPE_IMM32_32S_DISP32 }, |
cff8d58a L |
9846 | { STRING_COMMA_LEN ("TLSLDM"), { BFD_RELOC_386_TLS_LDM, |
9847 | _dummy_first_bfd_reloc_code_real }, | |
40fb9820 | 9848 | OPERAND_TYPE_NONE }, |
cff8d58a L |
9849 | { STRING_COMMA_LEN ("TLSLD"), { _dummy_first_bfd_reloc_code_real, |
9850 | BFD_RELOC_X86_64_TLSLD }, | |
40fb9820 | 9851 | OPERAND_TYPE_IMM32_32S_DISP32 }, |
cff8d58a L |
9852 | { STRING_COMMA_LEN ("GOTTPOFF"), { BFD_RELOC_386_TLS_IE_32, |
9853 | BFD_RELOC_X86_64_GOTTPOFF }, | |
40fb9820 | 9854 | OPERAND_TYPE_IMM32_32S_DISP32 }, |
cff8d58a L |
9855 | { STRING_COMMA_LEN ("TPOFF"), { BFD_RELOC_386_TLS_LE_32, |
9856 | BFD_RELOC_X86_64_TPOFF32 }, | |
40fb9820 | 9857 | OPERAND_TYPE_IMM32_32S_64_DISP32_64 }, |
cff8d58a L |
9858 | { STRING_COMMA_LEN ("NTPOFF"), { BFD_RELOC_386_TLS_LE, |
9859 | _dummy_first_bfd_reloc_code_real }, | |
40fb9820 | 9860 | OPERAND_TYPE_NONE }, |
cff8d58a L |
9861 | { STRING_COMMA_LEN ("DTPOFF"), { BFD_RELOC_386_TLS_LDO_32, |
9862 | BFD_RELOC_X86_64_DTPOFF32 }, | |
40fb9820 | 9863 | OPERAND_TYPE_IMM32_32S_64_DISP32_64 }, |
cff8d58a L |
9864 | { STRING_COMMA_LEN ("GOTNTPOFF"),{ BFD_RELOC_386_TLS_GOTIE, |
9865 | _dummy_first_bfd_reloc_code_real }, | |
40fb9820 | 9866 | OPERAND_TYPE_NONE }, |
cff8d58a L |
9867 | { STRING_COMMA_LEN ("INDNTPOFF"),{ BFD_RELOC_386_TLS_IE, |
9868 | _dummy_first_bfd_reloc_code_real }, | |
40fb9820 | 9869 | OPERAND_TYPE_NONE }, |
cff8d58a L |
9870 | { STRING_COMMA_LEN ("GOT"), { BFD_RELOC_386_GOT32, |
9871 | BFD_RELOC_X86_64_GOT32 }, | |
40fb9820 | 9872 | OPERAND_TYPE_IMM32_32S_64_DISP32 }, |
cff8d58a L |
9873 | { STRING_COMMA_LEN ("TLSDESC"), { BFD_RELOC_386_TLS_GOTDESC, |
9874 | BFD_RELOC_X86_64_GOTPC32_TLSDESC }, | |
40fb9820 | 9875 | OPERAND_TYPE_IMM32_32S_DISP32 }, |
cff8d58a L |
9876 | { STRING_COMMA_LEN ("TLSCALL"), { BFD_RELOC_386_TLS_DESC_CALL, |
9877 | BFD_RELOC_X86_64_TLSDESC_CALL }, | |
40fb9820 | 9878 | OPERAND_TYPE_IMM32_32S_DISP32 }, |
f3c180ae AM |
9879 | }; |
9880 | char *cp; | |
9881 | unsigned int j; | |
9882 | ||
d382c579 | 9883 | #if defined (OBJ_MAYBE_ELF) |
718ddfc0 JB |
9884 | if (!IS_ELF) |
9885 | return NULL; | |
d382c579 | 9886 | #endif |
718ddfc0 | 9887 | |
f3c180ae | 9888 | for (cp = input_line_pointer; *cp != '@'; cp++) |
67c11a9b | 9889 | if (is_end_of_line[(unsigned char) *cp] || *cp == ',') |
f3c180ae AM |
9890 | return NULL; |
9891 | ||
47465058 | 9892 | for (j = 0; j < ARRAY_SIZE (gotrel); j++) |
f3c180ae | 9893 | { |
cff8d58a | 9894 | int len = gotrel[j].len; |
28f81592 | 9895 | if (strncasecmp (cp + 1, gotrel[j].str, len) == 0) |
f3c180ae | 9896 | { |
4fa24527 | 9897 | if (gotrel[j].rel[object_64bit] != 0) |
f3c180ae | 9898 | { |
28f81592 AM |
9899 | int first, second; |
9900 | char *tmpbuf, *past_reloc; | |
f3c180ae | 9901 | |
91d6fa6a | 9902 | *rel = gotrel[j].rel[object_64bit]; |
f3c180ae | 9903 | |
3956db08 JB |
9904 | if (types) |
9905 | { | |
9906 | if (flag_code != CODE_64BIT) | |
40fb9820 L |
9907 | { |
9908 | types->bitfield.imm32 = 1; | |
9909 | types->bitfield.disp32 = 1; | |
9910 | } | |
3956db08 JB |
9911 | else |
9912 | *types = gotrel[j].types64; | |
9913 | } | |
9914 | ||
8fd4256d | 9915 | if (j != 0 && GOT_symbol == NULL) |
f3c180ae AM |
9916 | GOT_symbol = symbol_find_or_make (GLOBAL_OFFSET_TABLE_NAME); |
9917 | ||
28f81592 | 9918 | /* The length of the first part of our input line. */ |
f3c180ae | 9919 | first = cp - input_line_pointer; |
28f81592 AM |
9920 | |
9921 | /* The second part goes from after the reloc token until | |
67c11a9b | 9922 | (and including) an end_of_line char or comma. */ |
28f81592 | 9923 | past_reloc = cp + 1 + len; |
67c11a9b AM |
9924 | cp = past_reloc; |
9925 | while (!is_end_of_line[(unsigned char) *cp] && *cp != ',') | |
9926 | ++cp; | |
9927 | second = cp + 1 - past_reloc; | |
28f81592 AM |
9928 | |
9929 | /* Allocate and copy string. The trailing NUL shouldn't | |
9930 | be necessary, but be safe. */ | |
add39d23 | 9931 | tmpbuf = XNEWVEC (char, first + second + 2); |
f3c180ae | 9932 | memcpy (tmpbuf, input_line_pointer, first); |
0787a12d AM |
9933 | if (second != 0 && *past_reloc != ' ') |
9934 | /* Replace the relocation token with ' ', so that | |
9935 | errors like foo@GOTOFF1 will be detected. */ | |
9936 | tmpbuf[first++] = ' '; | |
af89796a L |
9937 | else |
9938 | /* Increment length by 1 if the relocation token is | |
9939 | removed. */ | |
9940 | len++; | |
9941 | if (adjust) | |
9942 | *adjust = len; | |
0787a12d AM |
9943 | memcpy (tmpbuf + first, past_reloc, second); |
9944 | tmpbuf[first + second] = '\0'; | |
f3c180ae AM |
9945 | return tmpbuf; |
9946 | } | |
9947 | ||
4fa24527 JB |
9948 | as_bad (_("@%s reloc is not supported with %d-bit output format"), |
9949 | gotrel[j].str, 1 << (5 + object_64bit)); | |
f3c180ae AM |
9950 | return NULL; |
9951 | } | |
9952 | } | |
9953 | ||
9954 | /* Might be a symbol version string. Don't as_bad here. */ | |
9955 | return NULL; | |
9956 | } | |
4e4f7c87 | 9957 | #endif |
f3c180ae | 9958 | |
a988325c NC |
9959 | #ifdef TE_PE |
9960 | #ifdef lex_got | |
9961 | #undef lex_got | |
9962 | #endif | |
9963 | /* Parse operands of the form | |
9964 | <symbol>@SECREL32+<nnn> | |
9965 | ||
9966 | If we find one, set up the correct relocation in RELOC and copy the | |
9967 | input string, minus the `@SECREL32' into a malloc'd buffer for | |
9968 | parsing by the calling routine. Return this buffer, and if ADJUST | |
9969 | is non-null set it to the length of the string we removed from the | |
34bca508 L |
9970 | input line. Otherwise return NULL. |
9971 | ||
a988325c NC |
9972 | This function is copied from the ELF version above adjusted for PE targets. */ |
9973 | ||
9974 | static char * | |
9975 | lex_got (enum bfd_reloc_code_real *rel ATTRIBUTE_UNUSED, | |
9976 | int *adjust ATTRIBUTE_UNUSED, | |
d258b828 | 9977 | i386_operand_type *types) |
a988325c NC |
9978 | { |
9979 | static const struct | |
9980 | { | |
9981 | const char *str; | |
9982 | int len; | |
9983 | const enum bfd_reloc_code_real rel[2]; | |
9984 | const i386_operand_type types64; | |
9985 | } | |
9986 | gotrel[] = | |
9987 | { | |
9988 | { STRING_COMMA_LEN ("SECREL32"), { BFD_RELOC_32_SECREL, | |
9989 | BFD_RELOC_32_SECREL }, | |
9990 | OPERAND_TYPE_IMM32_32S_64_DISP32_64 }, | |
9991 | }; | |
9992 | ||
9993 | char *cp; | |
9994 | unsigned j; | |
9995 | ||
9996 | for (cp = input_line_pointer; *cp != '@'; cp++) | |
9997 | if (is_end_of_line[(unsigned char) *cp] || *cp == ',') | |
9998 | return NULL; | |
9999 | ||
10000 | for (j = 0; j < ARRAY_SIZE (gotrel); j++) | |
10001 | { | |
10002 | int len = gotrel[j].len; | |
10003 | ||
10004 | if (strncasecmp (cp + 1, gotrel[j].str, len) == 0) | |
10005 | { | |
10006 | if (gotrel[j].rel[object_64bit] != 0) | |
10007 | { | |
10008 | int first, second; | |
10009 | char *tmpbuf, *past_reloc; | |
10010 | ||
10011 | *rel = gotrel[j].rel[object_64bit]; | |
10012 | if (adjust) | |
10013 | *adjust = len; | |
10014 | ||
10015 | if (types) | |
10016 | { | |
10017 | if (flag_code != CODE_64BIT) | |
10018 | { | |
10019 | types->bitfield.imm32 = 1; | |
10020 | types->bitfield.disp32 = 1; | |
10021 | } | |
10022 | else | |
10023 | *types = gotrel[j].types64; | |
10024 | } | |
10025 | ||
10026 | /* The length of the first part of our input line. */ | |
10027 | first = cp - input_line_pointer; | |
10028 | ||
10029 | /* The second part goes from after the reloc token until | |
10030 | (and including) an end_of_line char or comma. */ | |
10031 | past_reloc = cp + 1 + len; | |
10032 | cp = past_reloc; | |
10033 | while (!is_end_of_line[(unsigned char) *cp] && *cp != ',') | |
10034 | ++cp; | |
10035 | second = cp + 1 - past_reloc; | |
10036 | ||
10037 | /* Allocate and copy string. The trailing NUL shouldn't | |
10038 | be necessary, but be safe. */ | |
add39d23 | 10039 | tmpbuf = XNEWVEC (char, first + second + 2); |
a988325c NC |
10040 | memcpy (tmpbuf, input_line_pointer, first); |
10041 | if (second != 0 && *past_reloc != ' ') | |
10042 | /* Replace the relocation token with ' ', so that | |
10043 | errors like foo@SECLREL321 will be detected. */ | |
10044 | tmpbuf[first++] = ' '; | |
10045 | memcpy (tmpbuf + first, past_reloc, second); | |
10046 | tmpbuf[first + second] = '\0'; | |
10047 | return tmpbuf; | |
10048 | } | |
10049 | ||
10050 | as_bad (_("@%s reloc is not supported with %d-bit output format"), | |
10051 | gotrel[j].str, 1 << (5 + object_64bit)); | |
10052 | return NULL; | |
10053 | } | |
10054 | } | |
10055 | ||
10056 | /* Might be a symbol version string. Don't as_bad here. */ | |
10057 | return NULL; | |
10058 | } | |
10059 | ||
10060 | #endif /* TE_PE */ | |
10061 | ||
62ebcb5c | 10062 | bfd_reloc_code_real_type |
e3bb37b5 | 10063 | x86_cons (expressionS *exp, int size) |
f3c180ae | 10064 | { |
62ebcb5c AM |
10065 | bfd_reloc_code_real_type got_reloc = NO_RELOC; |
10066 | ||
ee86248c JB |
10067 | intel_syntax = -intel_syntax; |
10068 | ||
3c7b9c2c | 10069 | exp->X_md = 0; |
4fa24527 | 10070 | if (size == 4 || (object_64bit && size == 8)) |
f3c180ae AM |
10071 | { |
10072 | /* Handle @GOTOFF and the like in an expression. */ | |
10073 | char *save; | |
10074 | char *gotfree_input_line; | |
4a57f2cf | 10075 | int adjust = 0; |
f3c180ae AM |
10076 | |
10077 | save = input_line_pointer; | |
d258b828 | 10078 | gotfree_input_line = lex_got (&got_reloc, &adjust, NULL); |
f3c180ae AM |
10079 | if (gotfree_input_line) |
10080 | input_line_pointer = gotfree_input_line; | |
10081 | ||
10082 | expression (exp); | |
10083 | ||
10084 | if (gotfree_input_line) | |
10085 | { | |
10086 | /* expression () has merrily parsed up to the end of line, | |
10087 | or a comma - in the wrong buffer. Transfer how far | |
10088 | input_line_pointer has moved to the right buffer. */ | |
10089 | input_line_pointer = (save | |
10090 | + (input_line_pointer - gotfree_input_line) | |
10091 | + adjust); | |
10092 | free (gotfree_input_line); | |
3992d3b7 AM |
10093 | if (exp->X_op == O_constant |
10094 | || exp->X_op == O_absent | |
10095 | || exp->X_op == O_illegal | |
0398aac5 | 10096 | || exp->X_op == O_register |
3992d3b7 AM |
10097 | || exp->X_op == O_big) |
10098 | { | |
10099 | char c = *input_line_pointer; | |
10100 | *input_line_pointer = 0; | |
10101 | as_bad (_("missing or invalid expression `%s'"), save); | |
10102 | *input_line_pointer = c; | |
10103 | } | |
b9519cfe L |
10104 | else if ((got_reloc == BFD_RELOC_386_PLT32 |
10105 | || got_reloc == BFD_RELOC_X86_64_PLT32) | |
10106 | && exp->X_op != O_symbol) | |
10107 | { | |
10108 | char c = *input_line_pointer; | |
10109 | *input_line_pointer = 0; | |
10110 | as_bad (_("invalid PLT expression `%s'"), save); | |
10111 | *input_line_pointer = c; | |
10112 | } | |
f3c180ae AM |
10113 | } |
10114 | } | |
10115 | else | |
10116 | expression (exp); | |
ee86248c JB |
10117 | |
10118 | intel_syntax = -intel_syntax; | |
10119 | ||
10120 | if (intel_syntax) | |
10121 | i386_intel_simplify (exp); | |
62ebcb5c AM |
10122 | |
10123 | return got_reloc; | |
f3c180ae | 10124 | } |
f3c180ae | 10125 | |
9f32dd5b L |
10126 | static void |
10127 | signed_cons (int size) | |
6482c264 | 10128 | { |
d182319b JB |
10129 | if (flag_code == CODE_64BIT) |
10130 | cons_sign = 1; | |
10131 | cons (size); | |
10132 | cons_sign = -1; | |
6482c264 NC |
10133 | } |
10134 | ||
d182319b | 10135 | #ifdef TE_PE |
6482c264 | 10136 | static void |
7016a5d5 | 10137 | pe_directive_secrel (int dummy ATTRIBUTE_UNUSED) |
6482c264 NC |
10138 | { |
10139 | expressionS exp; | |
10140 | ||
10141 | do | |
10142 | { | |
10143 | expression (&exp); | |
10144 | if (exp.X_op == O_symbol) | |
10145 | exp.X_op = O_secrel; | |
10146 | ||
10147 | emit_expr (&exp, 4); | |
10148 | } | |
10149 | while (*input_line_pointer++ == ','); | |
10150 | ||
10151 | input_line_pointer--; | |
10152 | demand_empty_rest_of_line (); | |
10153 | } | |
6482c264 NC |
10154 | #endif |
10155 | ||
43234a1e L |
10156 | /* Handle Vector operations. */ |
10157 | ||
10158 | static char * | |
10159 | check_VecOperations (char *op_string, char *op_end) | |
10160 | { | |
10161 | const reg_entry *mask; | |
10162 | const char *saved; | |
10163 | char *end_op; | |
10164 | ||
10165 | while (*op_string | |
10166 | && (op_end == NULL || op_string < op_end)) | |
10167 | { | |
10168 | saved = op_string; | |
10169 | if (*op_string == '{') | |
10170 | { | |
10171 | op_string++; | |
10172 | ||
10173 | /* Check broadcasts. */ | |
10174 | if (strncmp (op_string, "1to", 3) == 0) | |
10175 | { | |
10176 | int bcst_type; | |
10177 | ||
10178 | if (i.broadcast) | |
10179 | goto duplicated_vec_op; | |
10180 | ||
10181 | op_string += 3; | |
10182 | if (*op_string == '8') | |
8e6e0792 | 10183 | bcst_type = 8; |
b28d1bda | 10184 | else if (*op_string == '4') |
8e6e0792 | 10185 | bcst_type = 4; |
b28d1bda | 10186 | else if (*op_string == '2') |
8e6e0792 | 10187 | bcst_type = 2; |
43234a1e L |
10188 | else if (*op_string == '1' |
10189 | && *(op_string+1) == '6') | |
10190 | { | |
8e6e0792 | 10191 | bcst_type = 16; |
43234a1e L |
10192 | op_string++; |
10193 | } | |
10194 | else | |
10195 | { | |
10196 | as_bad (_("Unsupported broadcast: `%s'"), saved); | |
10197 | return NULL; | |
10198 | } | |
10199 | op_string++; | |
10200 | ||
10201 | broadcast_op.type = bcst_type; | |
10202 | broadcast_op.operand = this_operand; | |
1f75763a | 10203 | broadcast_op.bytes = 0; |
43234a1e L |
10204 | i.broadcast = &broadcast_op; |
10205 | } | |
10206 | /* Check masking operation. */ | |
10207 | else if ((mask = parse_register (op_string, &end_op)) != NULL) | |
10208 | { | |
8a6fb3f9 JB |
10209 | if (mask == &bad_reg) |
10210 | return NULL; | |
10211 | ||
43234a1e | 10212 | /* k0 can't be used for write mask. */ |
f74a6307 | 10213 | if (mask->reg_type.bitfield.class != RegMask || !mask->reg_num) |
43234a1e | 10214 | { |
6d2cd6b2 JB |
10215 | as_bad (_("`%s%s' can't be used for write mask"), |
10216 | register_prefix, mask->reg_name); | |
43234a1e L |
10217 | return NULL; |
10218 | } | |
10219 | ||
10220 | if (!i.mask) | |
10221 | { | |
10222 | mask_op.mask = mask; | |
10223 | mask_op.zeroing = 0; | |
10224 | mask_op.operand = this_operand; | |
10225 | i.mask = &mask_op; | |
10226 | } | |
10227 | else | |
10228 | { | |
10229 | if (i.mask->mask) | |
10230 | goto duplicated_vec_op; | |
10231 | ||
10232 | i.mask->mask = mask; | |
10233 | ||
10234 | /* Only "{z}" is allowed here. No need to check | |
10235 | zeroing mask explicitly. */ | |
10236 | if (i.mask->operand != this_operand) | |
10237 | { | |
10238 | as_bad (_("invalid write mask `%s'"), saved); | |
10239 | return NULL; | |
10240 | } | |
10241 | } | |
10242 | ||
10243 | op_string = end_op; | |
10244 | } | |
10245 | /* Check zeroing-flag for masking operation. */ | |
10246 | else if (*op_string == 'z') | |
10247 | { | |
10248 | if (!i.mask) | |
10249 | { | |
10250 | mask_op.mask = NULL; | |
10251 | mask_op.zeroing = 1; | |
10252 | mask_op.operand = this_operand; | |
10253 | i.mask = &mask_op; | |
10254 | } | |
10255 | else | |
10256 | { | |
10257 | if (i.mask->zeroing) | |
10258 | { | |
10259 | duplicated_vec_op: | |
10260 | as_bad (_("duplicated `%s'"), saved); | |
10261 | return NULL; | |
10262 | } | |
10263 | ||
10264 | i.mask->zeroing = 1; | |
10265 | ||
10266 | /* Only "{%k}" is allowed here. No need to check mask | |
10267 | register explicitly. */ | |
10268 | if (i.mask->operand != this_operand) | |
10269 | { | |
10270 | as_bad (_("invalid zeroing-masking `%s'"), | |
10271 | saved); | |
10272 | return NULL; | |
10273 | } | |
10274 | } | |
10275 | ||
10276 | op_string++; | |
10277 | } | |
10278 | else | |
10279 | goto unknown_vec_op; | |
10280 | ||
10281 | if (*op_string != '}') | |
10282 | { | |
10283 | as_bad (_("missing `}' in `%s'"), saved); | |
10284 | return NULL; | |
10285 | } | |
10286 | op_string++; | |
0ba3a731 L |
10287 | |
10288 | /* Strip whitespace since the addition of pseudo prefixes | |
10289 | changed how the scrubber treats '{'. */ | |
10290 | if (is_space_char (*op_string)) | |
10291 | ++op_string; | |
10292 | ||
43234a1e L |
10293 | continue; |
10294 | } | |
10295 | unknown_vec_op: | |
10296 | /* We don't know this one. */ | |
10297 | as_bad (_("unknown vector operation: `%s'"), saved); | |
10298 | return NULL; | |
10299 | } | |
10300 | ||
6d2cd6b2 JB |
10301 | if (i.mask && i.mask->zeroing && !i.mask->mask) |
10302 | { | |
10303 | as_bad (_("zeroing-masking only allowed with write mask")); | |
10304 | return NULL; | |
10305 | } | |
10306 | ||
43234a1e L |
10307 | return op_string; |
10308 | } | |
10309 | ||
252b5132 | 10310 | static int |
70e41ade | 10311 | i386_immediate (char *imm_start) |
252b5132 RH |
10312 | { |
10313 | char *save_input_line_pointer; | |
f3c180ae | 10314 | char *gotfree_input_line; |
252b5132 | 10315 | segT exp_seg = 0; |
47926f60 | 10316 | expressionS *exp; |
40fb9820 L |
10317 | i386_operand_type types; |
10318 | ||
0dfbf9d7 | 10319 | operand_type_set (&types, ~0); |
252b5132 RH |
10320 | |
10321 | if (i.imm_operands == MAX_IMMEDIATE_OPERANDS) | |
10322 | { | |
31b2323c L |
10323 | as_bad (_("at most %d immediate operands are allowed"), |
10324 | MAX_IMMEDIATE_OPERANDS); | |
252b5132 RH |
10325 | return 0; |
10326 | } | |
10327 | ||
10328 | exp = &im_expressions[i.imm_operands++]; | |
520dc8e8 | 10329 | i.op[this_operand].imms = exp; |
252b5132 RH |
10330 | |
10331 | if (is_space_char (*imm_start)) | |
10332 | ++imm_start; | |
10333 | ||
10334 | save_input_line_pointer = input_line_pointer; | |
10335 | input_line_pointer = imm_start; | |
10336 | ||
d258b828 | 10337 | gotfree_input_line = lex_got (&i.reloc[this_operand], NULL, &types); |
f3c180ae AM |
10338 | if (gotfree_input_line) |
10339 | input_line_pointer = gotfree_input_line; | |
252b5132 RH |
10340 | |
10341 | exp_seg = expression (exp); | |
10342 | ||
83183c0c | 10343 | SKIP_WHITESPACE (); |
43234a1e L |
10344 | |
10345 | /* Handle vector operations. */ | |
10346 | if (*input_line_pointer == '{') | |
10347 | { | |
10348 | input_line_pointer = check_VecOperations (input_line_pointer, | |
10349 | NULL); | |
10350 | if (input_line_pointer == NULL) | |
10351 | return 0; | |
10352 | } | |
10353 | ||
252b5132 | 10354 | if (*input_line_pointer) |
f3c180ae | 10355 | as_bad (_("junk `%s' after expression"), input_line_pointer); |
252b5132 RH |
10356 | |
10357 | input_line_pointer = save_input_line_pointer; | |
f3c180ae | 10358 | if (gotfree_input_line) |
ee86248c JB |
10359 | { |
10360 | free (gotfree_input_line); | |
10361 | ||
10362 | if (exp->X_op == O_constant || exp->X_op == O_register) | |
10363 | exp->X_op = O_illegal; | |
10364 | } | |
10365 | ||
10366 | return i386_finalize_immediate (exp_seg, exp, types, imm_start); | |
10367 | } | |
252b5132 | 10368 | |
ee86248c JB |
10369 | static int |
10370 | i386_finalize_immediate (segT exp_seg ATTRIBUTE_UNUSED, expressionS *exp, | |
10371 | i386_operand_type types, const char *imm_start) | |
10372 | { | |
10373 | if (exp->X_op == O_absent || exp->X_op == O_illegal || exp->X_op == O_big) | |
252b5132 | 10374 | { |
313c53d1 L |
10375 | if (imm_start) |
10376 | as_bad (_("missing or invalid immediate expression `%s'"), | |
10377 | imm_start); | |
3992d3b7 | 10378 | return 0; |
252b5132 | 10379 | } |
3e73aa7c | 10380 | else if (exp->X_op == O_constant) |
252b5132 | 10381 | { |
47926f60 | 10382 | /* Size it properly later. */ |
40fb9820 | 10383 | i.types[this_operand].bitfield.imm64 = 1; |
13f864ae L |
10384 | /* If not 64bit, sign extend val. */ |
10385 | if (flag_code != CODE_64BIT | |
4eed87de AM |
10386 | && (exp->X_add_number & ~(((addressT) 2 << 31) - 1)) == 0) |
10387 | exp->X_add_number | |
10388 | = (exp->X_add_number ^ ((addressT) 1 << 31)) - ((addressT) 1 << 31); | |
252b5132 | 10389 | } |
4c63da97 | 10390 | #if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT)) |
f86103b7 | 10391 | else if (OUTPUT_FLAVOR == bfd_target_aout_flavour |
31312f95 | 10392 | && exp_seg != absolute_section |
47926f60 | 10393 | && exp_seg != text_section |
24eab124 AM |
10394 | && exp_seg != data_section |
10395 | && exp_seg != bss_section | |
10396 | && exp_seg != undefined_section | |
f86103b7 | 10397 | && !bfd_is_com_section (exp_seg)) |
252b5132 | 10398 | { |
d0b47220 | 10399 | as_bad (_("unimplemented segment %s in operand"), exp_seg->name); |
252b5132 RH |
10400 | return 0; |
10401 | } | |
10402 | #endif | |
a841bdf5 | 10403 | else if (!intel_syntax && exp_seg == reg_section) |
bb8f5920 | 10404 | { |
313c53d1 L |
10405 | if (imm_start) |
10406 | as_bad (_("illegal immediate register operand %s"), imm_start); | |
bb8f5920 L |
10407 | return 0; |
10408 | } | |
252b5132 RH |
10409 | else |
10410 | { | |
10411 | /* This is an address. The size of the address will be | |
24eab124 | 10412 | determined later, depending on destination register, |
3e73aa7c | 10413 | suffix, or the default for the section. */ |
40fb9820 L |
10414 | i.types[this_operand].bitfield.imm8 = 1; |
10415 | i.types[this_operand].bitfield.imm16 = 1; | |
10416 | i.types[this_operand].bitfield.imm32 = 1; | |
10417 | i.types[this_operand].bitfield.imm32s = 1; | |
10418 | i.types[this_operand].bitfield.imm64 = 1; | |
c6fb90c8 L |
10419 | i.types[this_operand] = operand_type_and (i.types[this_operand], |
10420 | types); | |
252b5132 RH |
10421 | } |
10422 | ||
10423 | return 1; | |
10424 | } | |
10425 | ||
551c1ca1 | 10426 | static char * |
e3bb37b5 | 10427 | i386_scale (char *scale) |
252b5132 | 10428 | { |
551c1ca1 AM |
10429 | offsetT val; |
10430 | char *save = input_line_pointer; | |
252b5132 | 10431 | |
551c1ca1 AM |
10432 | input_line_pointer = scale; |
10433 | val = get_absolute_expression (); | |
10434 | ||
10435 | switch (val) | |
252b5132 | 10436 | { |
551c1ca1 | 10437 | case 1: |
252b5132 RH |
10438 | i.log2_scale_factor = 0; |
10439 | break; | |
551c1ca1 | 10440 | case 2: |
252b5132 RH |
10441 | i.log2_scale_factor = 1; |
10442 | break; | |
551c1ca1 | 10443 | case 4: |
252b5132 RH |
10444 | i.log2_scale_factor = 2; |
10445 | break; | |
551c1ca1 | 10446 | case 8: |
252b5132 RH |
10447 | i.log2_scale_factor = 3; |
10448 | break; | |
10449 | default: | |
a724f0f4 JB |
10450 | { |
10451 | char sep = *input_line_pointer; | |
10452 | ||
10453 | *input_line_pointer = '\0'; | |
10454 | as_bad (_("expecting scale factor of 1, 2, 4, or 8: got `%s'"), | |
10455 | scale); | |
10456 | *input_line_pointer = sep; | |
10457 | input_line_pointer = save; | |
10458 | return NULL; | |
10459 | } | |
252b5132 | 10460 | } |
29b0f896 | 10461 | if (i.log2_scale_factor != 0 && i.index_reg == 0) |
252b5132 RH |
10462 | { |
10463 | as_warn (_("scale factor of %d without an index register"), | |
24eab124 | 10464 | 1 << i.log2_scale_factor); |
252b5132 | 10465 | i.log2_scale_factor = 0; |
252b5132 | 10466 | } |
551c1ca1 AM |
10467 | scale = input_line_pointer; |
10468 | input_line_pointer = save; | |
10469 | return scale; | |
252b5132 RH |
10470 | } |
10471 | ||
252b5132 | 10472 | static int |
e3bb37b5 | 10473 | i386_displacement (char *disp_start, char *disp_end) |
252b5132 | 10474 | { |
29b0f896 | 10475 | expressionS *exp; |
252b5132 RH |
10476 | segT exp_seg = 0; |
10477 | char *save_input_line_pointer; | |
f3c180ae | 10478 | char *gotfree_input_line; |
40fb9820 L |
10479 | int override; |
10480 | i386_operand_type bigdisp, types = anydisp; | |
3992d3b7 | 10481 | int ret; |
252b5132 | 10482 | |
31b2323c L |
10483 | if (i.disp_operands == MAX_MEMORY_OPERANDS) |
10484 | { | |
10485 | as_bad (_("at most %d displacement operands are allowed"), | |
10486 | MAX_MEMORY_OPERANDS); | |
10487 | return 0; | |
10488 | } | |
10489 | ||
0dfbf9d7 | 10490 | operand_type_set (&bigdisp, 0); |
6f2f06be | 10491 | if (i.jumpabsolute |
48bcea9f | 10492 | || i.types[this_operand].bitfield.baseindex |
0cfa3eb3 JB |
10493 | || (current_templates->start->opcode_modifier.jump != JUMP |
10494 | && current_templates->start->opcode_modifier.jump != JUMP_DWORD)) | |
e05278af | 10495 | { |
48bcea9f | 10496 | i386_addressing_mode (); |
e05278af | 10497 | override = (i.prefix[ADDR_PREFIX] != 0); |
40fb9820 L |
10498 | if (flag_code == CODE_64BIT) |
10499 | { | |
10500 | if (!override) | |
10501 | { | |
10502 | bigdisp.bitfield.disp32s = 1; | |
10503 | bigdisp.bitfield.disp64 = 1; | |
10504 | } | |
48bcea9f JB |
10505 | else |
10506 | bigdisp.bitfield.disp32 = 1; | |
40fb9820 L |
10507 | } |
10508 | else if ((flag_code == CODE_16BIT) ^ override) | |
40fb9820 | 10509 | bigdisp.bitfield.disp16 = 1; |
48bcea9f JB |
10510 | else |
10511 | bigdisp.bitfield.disp32 = 1; | |
e05278af JB |
10512 | } |
10513 | else | |
10514 | { | |
376cd056 JB |
10515 | /* For PC-relative branches, the width of the displacement may be |
10516 | dependent upon data size, but is never dependent upon address size. | |
10517 | Also make sure to not unintentionally match against a non-PC-relative | |
10518 | branch template. */ | |
10519 | static templates aux_templates; | |
10520 | const insn_template *t = current_templates->start; | |
10521 | bfd_boolean has_intel64 = FALSE; | |
10522 | ||
10523 | aux_templates.start = t; | |
10524 | while (++t < current_templates->end) | |
10525 | { | |
10526 | if (t->opcode_modifier.jump | |
10527 | != current_templates->start->opcode_modifier.jump) | |
10528 | break; | |
4b5aaf5f | 10529 | if ((t->opcode_modifier.isa64 >= INTEL64)) |
376cd056 JB |
10530 | has_intel64 = TRUE; |
10531 | } | |
10532 | if (t < current_templates->end) | |
10533 | { | |
10534 | aux_templates.end = t; | |
10535 | current_templates = &aux_templates; | |
10536 | } | |
10537 | ||
e05278af | 10538 | override = (i.prefix[DATA_PREFIX] != 0); |
40fb9820 L |
10539 | if (flag_code == CODE_64BIT) |
10540 | { | |
376cd056 JB |
10541 | if ((override || i.suffix == WORD_MNEM_SUFFIX) |
10542 | && (!intel64 || !has_intel64)) | |
40fb9820 L |
10543 | bigdisp.bitfield.disp16 = 1; |
10544 | else | |
48bcea9f | 10545 | bigdisp.bitfield.disp32s = 1; |
40fb9820 L |
10546 | } |
10547 | else | |
e05278af JB |
10548 | { |
10549 | if (!override) | |
10550 | override = (i.suffix == (flag_code != CODE_16BIT | |
10551 | ? WORD_MNEM_SUFFIX | |
10552 | : LONG_MNEM_SUFFIX)); | |
40fb9820 L |
10553 | bigdisp.bitfield.disp32 = 1; |
10554 | if ((flag_code == CODE_16BIT) ^ override) | |
10555 | { | |
10556 | bigdisp.bitfield.disp32 = 0; | |
10557 | bigdisp.bitfield.disp16 = 1; | |
10558 | } | |
e05278af | 10559 | } |
e05278af | 10560 | } |
c6fb90c8 L |
10561 | i.types[this_operand] = operand_type_or (i.types[this_operand], |
10562 | bigdisp); | |
252b5132 RH |
10563 | |
10564 | exp = &disp_expressions[i.disp_operands]; | |
520dc8e8 | 10565 | i.op[this_operand].disps = exp; |
252b5132 RH |
10566 | i.disp_operands++; |
10567 | save_input_line_pointer = input_line_pointer; | |
10568 | input_line_pointer = disp_start; | |
10569 | END_STRING_AND_SAVE (disp_end); | |
10570 | ||
10571 | #ifndef GCC_ASM_O_HACK | |
10572 | #define GCC_ASM_O_HACK 0 | |
10573 | #endif | |
10574 | #if GCC_ASM_O_HACK | |
10575 | END_STRING_AND_SAVE (disp_end + 1); | |
40fb9820 | 10576 | if (i.types[this_operand].bitfield.baseIndex |
24eab124 | 10577 | && displacement_string_end[-1] == '+') |
252b5132 RH |
10578 | { |
10579 | /* This hack is to avoid a warning when using the "o" | |
24eab124 AM |
10580 | constraint within gcc asm statements. |
10581 | For instance: | |
10582 | ||
10583 | #define _set_tssldt_desc(n,addr,limit,type) \ | |
10584 | __asm__ __volatile__ ( \ | |
10585 | "movw %w2,%0\n\t" \ | |
10586 | "movw %w1,2+%0\n\t" \ | |
10587 | "rorl $16,%1\n\t" \ | |
10588 | "movb %b1,4+%0\n\t" \ | |
10589 | "movb %4,5+%0\n\t" \ | |
10590 | "movb $0,6+%0\n\t" \ | |
10591 | "movb %h1,7+%0\n\t" \ | |
10592 | "rorl $16,%1" \ | |
10593 | : "=o"(*(n)) : "q" (addr), "ri"(limit), "i"(type)) | |
10594 | ||
10595 | This works great except that the output assembler ends | |
10596 | up looking a bit weird if it turns out that there is | |
10597 | no offset. You end up producing code that looks like: | |
10598 | ||
10599 | #APP | |
10600 | movw $235,(%eax) | |
10601 | movw %dx,2+(%eax) | |
10602 | rorl $16,%edx | |
10603 | movb %dl,4+(%eax) | |
10604 | movb $137,5+(%eax) | |
10605 | movb $0,6+(%eax) | |
10606 | movb %dh,7+(%eax) | |
10607 | rorl $16,%edx | |
10608 | #NO_APP | |
10609 | ||
47926f60 | 10610 | So here we provide the missing zero. */ |
24eab124 AM |
10611 | |
10612 | *displacement_string_end = '0'; | |
252b5132 RH |
10613 | } |
10614 | #endif | |
d258b828 | 10615 | gotfree_input_line = lex_got (&i.reloc[this_operand], NULL, &types); |
f3c180ae AM |
10616 | if (gotfree_input_line) |
10617 | input_line_pointer = gotfree_input_line; | |
252b5132 | 10618 | |
24eab124 | 10619 | exp_seg = expression (exp); |
252b5132 | 10620 | |
636c26b0 AM |
10621 | SKIP_WHITESPACE (); |
10622 | if (*input_line_pointer) | |
10623 | as_bad (_("junk `%s' after expression"), input_line_pointer); | |
10624 | #if GCC_ASM_O_HACK | |
10625 | RESTORE_END_STRING (disp_end + 1); | |
10626 | #endif | |
636c26b0 | 10627 | input_line_pointer = save_input_line_pointer; |
636c26b0 | 10628 | if (gotfree_input_line) |
ee86248c JB |
10629 | { |
10630 | free (gotfree_input_line); | |
10631 | ||
10632 | if (exp->X_op == O_constant || exp->X_op == O_register) | |
10633 | exp->X_op = O_illegal; | |
10634 | } | |
10635 | ||
10636 | ret = i386_finalize_displacement (exp_seg, exp, types, disp_start); | |
10637 | ||
10638 | RESTORE_END_STRING (disp_end); | |
10639 | ||
10640 | return ret; | |
10641 | } | |
10642 | ||
10643 | static int | |
10644 | i386_finalize_displacement (segT exp_seg ATTRIBUTE_UNUSED, expressionS *exp, | |
10645 | i386_operand_type types, const char *disp_start) | |
10646 | { | |
10647 | i386_operand_type bigdisp; | |
10648 | int ret = 1; | |
636c26b0 | 10649 | |
24eab124 AM |
10650 | /* We do this to make sure that the section symbol is in |
10651 | the symbol table. We will ultimately change the relocation | |
47926f60 | 10652 | to be relative to the beginning of the section. */ |
1ae12ab7 | 10653 | if (i.reloc[this_operand] == BFD_RELOC_386_GOTOFF |
d6ab8113 JB |
10654 | || i.reloc[this_operand] == BFD_RELOC_X86_64_GOTPCREL |
10655 | || i.reloc[this_operand] == BFD_RELOC_X86_64_GOTOFF64) | |
24eab124 | 10656 | { |
636c26b0 | 10657 | if (exp->X_op != O_symbol) |
3992d3b7 | 10658 | goto inv_disp; |
636c26b0 | 10659 | |
e5cb08ac | 10660 | if (S_IS_LOCAL (exp->X_add_symbol) |
c64efb4b L |
10661 | && S_GET_SEGMENT (exp->X_add_symbol) != undefined_section |
10662 | && S_GET_SEGMENT (exp->X_add_symbol) != expr_section) | |
24eab124 | 10663 | section_symbol (S_GET_SEGMENT (exp->X_add_symbol)); |
24eab124 AM |
10664 | exp->X_op = O_subtract; |
10665 | exp->X_op_symbol = GOT_symbol; | |
1ae12ab7 | 10666 | if (i.reloc[this_operand] == BFD_RELOC_X86_64_GOTPCREL) |
29b0f896 | 10667 | i.reloc[this_operand] = BFD_RELOC_32_PCREL; |
d6ab8113 JB |
10668 | else if (i.reloc[this_operand] == BFD_RELOC_X86_64_GOTOFF64) |
10669 | i.reloc[this_operand] = BFD_RELOC_64; | |
23df1078 | 10670 | else |
29b0f896 | 10671 | i.reloc[this_operand] = BFD_RELOC_32; |
24eab124 | 10672 | } |
252b5132 | 10673 | |
3992d3b7 AM |
10674 | else if (exp->X_op == O_absent |
10675 | || exp->X_op == O_illegal | |
ee86248c | 10676 | || exp->X_op == O_big) |
2daf4fd8 | 10677 | { |
3992d3b7 AM |
10678 | inv_disp: |
10679 | as_bad (_("missing or invalid displacement expression `%s'"), | |
2daf4fd8 | 10680 | disp_start); |
3992d3b7 | 10681 | ret = 0; |
2daf4fd8 AM |
10682 | } |
10683 | ||
0e1147d9 L |
10684 | else if (flag_code == CODE_64BIT |
10685 | && !i.prefix[ADDR_PREFIX] | |
10686 | && exp->X_op == O_constant) | |
10687 | { | |
10688 | /* Since displacement is signed extended to 64bit, don't allow | |
10689 | disp32 and turn off disp32s if they are out of range. */ | |
10690 | i.types[this_operand].bitfield.disp32 = 0; | |
10691 | if (!fits_in_signed_long (exp->X_add_number)) | |
10692 | { | |
10693 | i.types[this_operand].bitfield.disp32s = 0; | |
10694 | if (i.types[this_operand].bitfield.baseindex) | |
10695 | { | |
10696 | as_bad (_("0x%lx out range of signed 32bit displacement"), | |
10697 | (long) exp->X_add_number); | |
10698 | ret = 0; | |
10699 | } | |
10700 | } | |
10701 | } | |
10702 | ||
4c63da97 | 10703 | #if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT)) |
3992d3b7 AM |
10704 | else if (exp->X_op != O_constant |
10705 | && OUTPUT_FLAVOR == bfd_target_aout_flavour | |
10706 | && exp_seg != absolute_section | |
10707 | && exp_seg != text_section | |
10708 | && exp_seg != data_section | |
10709 | && exp_seg != bss_section | |
10710 | && exp_seg != undefined_section | |
10711 | && !bfd_is_com_section (exp_seg)) | |
24eab124 | 10712 | { |
d0b47220 | 10713 | as_bad (_("unimplemented segment %s in operand"), exp_seg->name); |
3992d3b7 | 10714 | ret = 0; |
24eab124 | 10715 | } |
252b5132 | 10716 | #endif |
3956db08 | 10717 | |
48bcea9f JB |
10718 | if (current_templates->start->opcode_modifier.jump == JUMP_BYTE |
10719 | /* Constants get taken care of by optimize_disp(). */ | |
10720 | && exp->X_op != O_constant) | |
10721 | i.types[this_operand].bitfield.disp8 = 1; | |
10722 | ||
40fb9820 L |
10723 | /* Check if this is a displacement only operand. */ |
10724 | bigdisp = i.types[this_operand]; | |
10725 | bigdisp.bitfield.disp8 = 0; | |
10726 | bigdisp.bitfield.disp16 = 0; | |
10727 | bigdisp.bitfield.disp32 = 0; | |
10728 | bigdisp.bitfield.disp32s = 0; | |
10729 | bigdisp.bitfield.disp64 = 0; | |
0dfbf9d7 | 10730 | if (operand_type_all_zero (&bigdisp)) |
c6fb90c8 L |
10731 | i.types[this_operand] = operand_type_and (i.types[this_operand], |
10732 | types); | |
3956db08 | 10733 | |
3992d3b7 | 10734 | return ret; |
252b5132 RH |
10735 | } |
10736 | ||
2abc2bec JB |
10737 | /* Return the active addressing mode, taking address override and |
10738 | registers forming the address into consideration. Update the | |
10739 | address override prefix if necessary. */ | |
47926f60 | 10740 | |
2abc2bec JB |
10741 | static enum flag_code |
10742 | i386_addressing_mode (void) | |
252b5132 | 10743 | { |
be05d201 L |
10744 | enum flag_code addr_mode; |
10745 | ||
10746 | if (i.prefix[ADDR_PREFIX]) | |
10747 | addr_mode = flag_code == CODE_32BIT ? CODE_16BIT : CODE_32BIT; | |
a23b33b3 JB |
10748 | else if (flag_code == CODE_16BIT |
10749 | && current_templates->start->cpu_flags.bitfield.cpumpx | |
10750 | /* Avoid replacing the "16-bit addressing not allowed" diagnostic | |
10751 | from md_assemble() by "is not a valid base/index expression" | |
10752 | when there is a base and/or index. */ | |
10753 | && !i.types[this_operand].bitfield.baseindex) | |
10754 | { | |
10755 | /* MPX insn memory operands with neither base nor index must be forced | |
10756 | to use 32-bit addressing in 16-bit mode. */ | |
10757 | addr_mode = CODE_32BIT; | |
10758 | i.prefix[ADDR_PREFIX] = ADDR_PREFIX_OPCODE; | |
10759 | ++i.prefixes; | |
10760 | gas_assert (!i.types[this_operand].bitfield.disp16); | |
10761 | gas_assert (!i.types[this_operand].bitfield.disp32); | |
10762 | } | |
be05d201 L |
10763 | else |
10764 | { | |
10765 | addr_mode = flag_code; | |
10766 | ||
24eab124 | 10767 | #if INFER_ADDR_PREFIX |
be05d201 L |
10768 | if (i.mem_operands == 0) |
10769 | { | |
10770 | /* Infer address prefix from the first memory operand. */ | |
10771 | const reg_entry *addr_reg = i.base_reg; | |
10772 | ||
10773 | if (addr_reg == NULL) | |
10774 | addr_reg = i.index_reg; | |
eecb386c | 10775 | |
be05d201 L |
10776 | if (addr_reg) |
10777 | { | |
e968fc9b | 10778 | if (addr_reg->reg_type.bitfield.dword) |
be05d201 L |
10779 | addr_mode = CODE_32BIT; |
10780 | else if (flag_code != CODE_64BIT | |
dc821c5f | 10781 | && addr_reg->reg_type.bitfield.word) |
be05d201 L |
10782 | addr_mode = CODE_16BIT; |
10783 | ||
10784 | if (addr_mode != flag_code) | |
10785 | { | |
10786 | i.prefix[ADDR_PREFIX] = ADDR_PREFIX_OPCODE; | |
10787 | i.prefixes += 1; | |
10788 | /* Change the size of any displacement too. At most one | |
10789 | of Disp16 or Disp32 is set. | |
10790 | FIXME. There doesn't seem to be any real need for | |
10791 | separate Disp16 and Disp32 flags. The same goes for | |
10792 | Imm16 and Imm32. Removing them would probably clean | |
10793 | up the code quite a lot. */ | |
10794 | if (flag_code != CODE_64BIT | |
10795 | && (i.types[this_operand].bitfield.disp16 | |
10796 | || i.types[this_operand].bitfield.disp32)) | |
10797 | i.types[this_operand] | |
10798 | = operand_type_xor (i.types[this_operand], disp16_32); | |
10799 | } | |
10800 | } | |
10801 | } | |
24eab124 | 10802 | #endif |
be05d201 L |
10803 | } |
10804 | ||
2abc2bec JB |
10805 | return addr_mode; |
10806 | } | |
10807 | ||
10808 | /* Make sure the memory operand we've been dealt is valid. | |
10809 | Return 1 on success, 0 on a failure. */ | |
10810 | ||
10811 | static int | |
10812 | i386_index_check (const char *operand_string) | |
10813 | { | |
10814 | const char *kind = "base/index"; | |
10815 | enum flag_code addr_mode = i386_addressing_mode (); | |
10816 | ||
fc0763e6 | 10817 | if (current_templates->start->opcode_modifier.isstring |
c3949f43 | 10818 | && !current_templates->start->cpu_flags.bitfield.cpupadlock |
fc0763e6 JB |
10819 | && (current_templates->end[-1].opcode_modifier.isstring |
10820 | || i.mem_operands)) | |
10821 | { | |
10822 | /* Memory operands of string insns are special in that they only allow | |
10823 | a single register (rDI, rSI, or rBX) as their memory address. */ | |
be05d201 L |
10824 | const reg_entry *expected_reg; |
10825 | static const char *di_si[][2] = | |
10826 | { | |
10827 | { "esi", "edi" }, | |
10828 | { "si", "di" }, | |
10829 | { "rsi", "rdi" } | |
10830 | }; | |
10831 | static const char *bx[] = { "ebx", "bx", "rbx" }; | |
fc0763e6 JB |
10832 | |
10833 | kind = "string address"; | |
10834 | ||
8325cc63 | 10835 | if (current_templates->start->opcode_modifier.repprefixok) |
fc0763e6 | 10836 | { |
51c8edf6 JB |
10837 | int es_op = current_templates->end[-1].opcode_modifier.isstring |
10838 | - IS_STRING_ES_OP0; | |
10839 | int op = 0; | |
fc0763e6 | 10840 | |
51c8edf6 | 10841 | if (!current_templates->end[-1].operand_types[0].bitfield.baseindex |
fc0763e6 JB |
10842 | || ((!i.mem_operands != !intel_syntax) |
10843 | && current_templates->end[-1].operand_types[1] | |
10844 | .bitfield.baseindex)) | |
51c8edf6 JB |
10845 | op = 1; |
10846 | expected_reg = hash_find (reg_hash, di_si[addr_mode][op == es_op]); | |
fc0763e6 JB |
10847 | } |
10848 | else | |
be05d201 | 10849 | expected_reg = hash_find (reg_hash, bx[addr_mode]); |
fc0763e6 | 10850 | |
be05d201 L |
10851 | if (i.base_reg != expected_reg |
10852 | || i.index_reg | |
fc0763e6 | 10853 | || operand_type_check (i.types[this_operand], disp)) |
fc0763e6 | 10854 | { |
be05d201 L |
10855 | /* The second memory operand must have the same size as |
10856 | the first one. */ | |
10857 | if (i.mem_operands | |
10858 | && i.base_reg | |
10859 | && !((addr_mode == CODE_64BIT | |
dc821c5f | 10860 | && i.base_reg->reg_type.bitfield.qword) |
be05d201 | 10861 | || (addr_mode == CODE_32BIT |
dc821c5f JB |
10862 | ? i.base_reg->reg_type.bitfield.dword |
10863 | : i.base_reg->reg_type.bitfield.word))) | |
be05d201 L |
10864 | goto bad_address; |
10865 | ||
fc0763e6 JB |
10866 | as_warn (_("`%s' is not valid here (expected `%c%s%s%c')"), |
10867 | operand_string, | |
10868 | intel_syntax ? '[' : '(', | |
10869 | register_prefix, | |
be05d201 | 10870 | expected_reg->reg_name, |
fc0763e6 | 10871 | intel_syntax ? ']' : ')'); |
be05d201 | 10872 | return 1; |
fc0763e6 | 10873 | } |
be05d201 L |
10874 | else |
10875 | return 1; | |
10876 | ||
dc1e8a47 | 10877 | bad_address: |
be05d201 L |
10878 | as_bad (_("`%s' is not a valid %s expression"), |
10879 | operand_string, kind); | |
10880 | return 0; | |
3e73aa7c JH |
10881 | } |
10882 | else | |
10883 | { | |
be05d201 L |
10884 | if (addr_mode != CODE_16BIT) |
10885 | { | |
10886 | /* 32-bit/64-bit checks. */ | |
10887 | if ((i.base_reg | |
e968fc9b JB |
10888 | && ((addr_mode == CODE_64BIT |
10889 | ? !i.base_reg->reg_type.bitfield.qword | |
10890 | : !i.base_reg->reg_type.bitfield.dword) | |
10891 | || (i.index_reg && i.base_reg->reg_num == RegIP) | |
10892 | || i.base_reg->reg_num == RegIZ)) | |
be05d201 | 10893 | || (i.index_reg |
1b54b8d7 JB |
10894 | && !i.index_reg->reg_type.bitfield.xmmword |
10895 | && !i.index_reg->reg_type.bitfield.ymmword | |
10896 | && !i.index_reg->reg_type.bitfield.zmmword | |
be05d201 | 10897 | && ((addr_mode == CODE_64BIT |
e968fc9b JB |
10898 | ? !i.index_reg->reg_type.bitfield.qword |
10899 | : !i.index_reg->reg_type.bitfield.dword) | |
be05d201 L |
10900 | || !i.index_reg->reg_type.bitfield.baseindex))) |
10901 | goto bad_address; | |
8178be5b JB |
10902 | |
10903 | /* bndmk, bndldx, and bndstx have special restrictions. */ | |
10904 | if (current_templates->start->base_opcode == 0xf30f1b | |
10905 | || (current_templates->start->base_opcode & ~1) == 0x0f1a) | |
10906 | { | |
10907 | /* They cannot use RIP-relative addressing. */ | |
e968fc9b | 10908 | if (i.base_reg && i.base_reg->reg_num == RegIP) |
8178be5b JB |
10909 | { |
10910 | as_bad (_("`%s' cannot be used here"), operand_string); | |
10911 | return 0; | |
10912 | } | |
10913 | ||
10914 | /* bndldx and bndstx ignore their scale factor. */ | |
10915 | if (current_templates->start->base_opcode != 0xf30f1b | |
10916 | && i.log2_scale_factor) | |
10917 | as_warn (_("register scaling is being ignored here")); | |
10918 | } | |
be05d201 L |
10919 | } |
10920 | else | |
3e73aa7c | 10921 | { |
be05d201 | 10922 | /* 16-bit checks. */ |
3e73aa7c | 10923 | if ((i.base_reg |
dc821c5f | 10924 | && (!i.base_reg->reg_type.bitfield.word |
40fb9820 | 10925 | || !i.base_reg->reg_type.bitfield.baseindex)) |
3e73aa7c | 10926 | || (i.index_reg |
dc821c5f | 10927 | && (!i.index_reg->reg_type.bitfield.word |
40fb9820 | 10928 | || !i.index_reg->reg_type.bitfield.baseindex |
29b0f896 AM |
10929 | || !(i.base_reg |
10930 | && i.base_reg->reg_num < 6 | |
10931 | && i.index_reg->reg_num >= 6 | |
10932 | && i.log2_scale_factor == 0)))) | |
be05d201 | 10933 | goto bad_address; |
3e73aa7c JH |
10934 | } |
10935 | } | |
be05d201 | 10936 | return 1; |
24eab124 | 10937 | } |
252b5132 | 10938 | |
43234a1e L |
10939 | /* Handle vector immediates. */ |
10940 | ||
10941 | static int | |
10942 | RC_SAE_immediate (const char *imm_start) | |
10943 | { | |
10944 | unsigned int match_found, j; | |
10945 | const char *pstr = imm_start; | |
10946 | expressionS *exp; | |
10947 | ||
10948 | if (*pstr != '{') | |
10949 | return 0; | |
10950 | ||
10951 | pstr++; | |
10952 | match_found = 0; | |
10953 | for (j = 0; j < ARRAY_SIZE (RC_NamesTable); j++) | |
10954 | { | |
10955 | if (!strncmp (pstr, RC_NamesTable[j].name, RC_NamesTable[j].len)) | |
10956 | { | |
10957 | if (!i.rounding) | |
10958 | { | |
10959 | rc_op.type = RC_NamesTable[j].type; | |
10960 | rc_op.operand = this_operand; | |
10961 | i.rounding = &rc_op; | |
10962 | } | |
10963 | else | |
10964 | { | |
10965 | as_bad (_("duplicated `%s'"), imm_start); | |
10966 | return 0; | |
10967 | } | |
10968 | pstr += RC_NamesTable[j].len; | |
10969 | match_found = 1; | |
10970 | break; | |
10971 | } | |
10972 | } | |
10973 | if (!match_found) | |
10974 | return 0; | |
10975 | ||
10976 | if (*pstr++ != '}') | |
10977 | { | |
10978 | as_bad (_("Missing '}': '%s'"), imm_start); | |
10979 | return 0; | |
10980 | } | |
10981 | /* RC/SAE immediate string should contain nothing more. */; | |
10982 | if (*pstr != 0) | |
10983 | { | |
10984 | as_bad (_("Junk after '}': '%s'"), imm_start); | |
10985 | return 0; | |
10986 | } | |
10987 | ||
10988 | exp = &im_expressions[i.imm_operands++]; | |
10989 | i.op[this_operand].imms = exp; | |
10990 | ||
10991 | exp->X_op = O_constant; | |
10992 | exp->X_add_number = 0; | |
10993 | exp->X_add_symbol = (symbolS *) 0; | |
10994 | exp->X_op_symbol = (symbolS *) 0; | |
10995 | ||
10996 | i.types[this_operand].bitfield.imm8 = 1; | |
10997 | return 1; | |
10998 | } | |
10999 | ||
8325cc63 JB |
11000 | /* Only string instructions can have a second memory operand, so |
11001 | reduce current_templates to just those if it contains any. */ | |
11002 | static int | |
11003 | maybe_adjust_templates (void) | |
11004 | { | |
11005 | const insn_template *t; | |
11006 | ||
11007 | gas_assert (i.mem_operands == 1); | |
11008 | ||
11009 | for (t = current_templates->start; t < current_templates->end; ++t) | |
11010 | if (t->opcode_modifier.isstring) | |
11011 | break; | |
11012 | ||
11013 | if (t < current_templates->end) | |
11014 | { | |
11015 | static templates aux_templates; | |
11016 | bfd_boolean recheck; | |
11017 | ||
11018 | aux_templates.start = t; | |
11019 | for (; t < current_templates->end; ++t) | |
11020 | if (!t->opcode_modifier.isstring) | |
11021 | break; | |
11022 | aux_templates.end = t; | |
11023 | ||
11024 | /* Determine whether to re-check the first memory operand. */ | |
11025 | recheck = (aux_templates.start != current_templates->start | |
11026 | || t != current_templates->end); | |
11027 | ||
11028 | current_templates = &aux_templates; | |
11029 | ||
11030 | if (recheck) | |
11031 | { | |
11032 | i.mem_operands = 0; | |
11033 | if (i.memop1_string != NULL | |
11034 | && i386_index_check (i.memop1_string) == 0) | |
11035 | return 0; | |
11036 | i.mem_operands = 1; | |
11037 | } | |
11038 | } | |
11039 | ||
11040 | return 1; | |
11041 | } | |
11042 | ||
fc0763e6 | 11043 | /* Parse OPERAND_STRING into the i386_insn structure I. Returns zero |
47926f60 | 11044 | on error. */ |
252b5132 | 11045 | |
252b5132 | 11046 | static int |
a7619375 | 11047 | i386_att_operand (char *operand_string) |
252b5132 | 11048 | { |
af6bdddf AM |
11049 | const reg_entry *r; |
11050 | char *end_op; | |
24eab124 | 11051 | char *op_string = operand_string; |
252b5132 | 11052 | |
24eab124 | 11053 | if (is_space_char (*op_string)) |
252b5132 RH |
11054 | ++op_string; |
11055 | ||
24eab124 | 11056 | /* We check for an absolute prefix (differentiating, |
47926f60 | 11057 | for example, 'jmp pc_relative_label' from 'jmp *absolute_label'. */ |
24eab124 AM |
11058 | if (*op_string == ABSOLUTE_PREFIX) |
11059 | { | |
11060 | ++op_string; | |
11061 | if (is_space_char (*op_string)) | |
11062 | ++op_string; | |
6f2f06be | 11063 | i.jumpabsolute = TRUE; |
24eab124 | 11064 | } |
252b5132 | 11065 | |
47926f60 | 11066 | /* Check if operand is a register. */ |
4d1bb795 | 11067 | if ((r = parse_register (op_string, &end_op)) != NULL) |
24eab124 | 11068 | { |
40fb9820 L |
11069 | i386_operand_type temp; |
11070 | ||
8a6fb3f9 JB |
11071 | if (r == &bad_reg) |
11072 | return 0; | |
11073 | ||
24eab124 AM |
11074 | /* Check for a segment override by searching for ':' after a |
11075 | segment register. */ | |
11076 | op_string = end_op; | |
11077 | if (is_space_char (*op_string)) | |
11078 | ++op_string; | |
00cee14f | 11079 | if (*op_string == ':' && r->reg_type.bitfield.class == SReg) |
24eab124 AM |
11080 | { |
11081 | switch (r->reg_num) | |
11082 | { | |
11083 | case 0: | |
11084 | i.seg[i.mem_operands] = &es; | |
11085 | break; | |
11086 | case 1: | |
11087 | i.seg[i.mem_operands] = &cs; | |
11088 | break; | |
11089 | case 2: | |
11090 | i.seg[i.mem_operands] = &ss; | |
11091 | break; | |
11092 | case 3: | |
11093 | i.seg[i.mem_operands] = &ds; | |
11094 | break; | |
11095 | case 4: | |
11096 | i.seg[i.mem_operands] = &fs; | |
11097 | break; | |
11098 | case 5: | |
11099 | i.seg[i.mem_operands] = &gs; | |
11100 | break; | |
11101 | } | |
252b5132 | 11102 | |
24eab124 | 11103 | /* Skip the ':' and whitespace. */ |
252b5132 RH |
11104 | ++op_string; |
11105 | if (is_space_char (*op_string)) | |
24eab124 | 11106 | ++op_string; |
252b5132 | 11107 | |
24eab124 AM |
11108 | if (!is_digit_char (*op_string) |
11109 | && !is_identifier_char (*op_string) | |
11110 | && *op_string != '(' | |
11111 | && *op_string != ABSOLUTE_PREFIX) | |
11112 | { | |
11113 | as_bad (_("bad memory operand `%s'"), op_string); | |
11114 | return 0; | |
11115 | } | |
47926f60 | 11116 | /* Handle case of %es:*foo. */ |
24eab124 AM |
11117 | if (*op_string == ABSOLUTE_PREFIX) |
11118 | { | |
11119 | ++op_string; | |
11120 | if (is_space_char (*op_string)) | |
11121 | ++op_string; | |
6f2f06be | 11122 | i.jumpabsolute = TRUE; |
24eab124 AM |
11123 | } |
11124 | goto do_memory_reference; | |
11125 | } | |
43234a1e L |
11126 | |
11127 | /* Handle vector operations. */ | |
11128 | if (*op_string == '{') | |
11129 | { | |
11130 | op_string = check_VecOperations (op_string, NULL); | |
11131 | if (op_string == NULL) | |
11132 | return 0; | |
11133 | } | |
11134 | ||
24eab124 AM |
11135 | if (*op_string) |
11136 | { | |
d0b47220 | 11137 | as_bad (_("junk `%s' after register"), op_string); |
24eab124 AM |
11138 | return 0; |
11139 | } | |
40fb9820 L |
11140 | temp = r->reg_type; |
11141 | temp.bitfield.baseindex = 0; | |
c6fb90c8 L |
11142 | i.types[this_operand] = operand_type_or (i.types[this_operand], |
11143 | temp); | |
7d5e4556 | 11144 | i.types[this_operand].bitfield.unspecified = 0; |
520dc8e8 | 11145 | i.op[this_operand].regs = r; |
24eab124 AM |
11146 | i.reg_operands++; |
11147 | } | |
af6bdddf AM |
11148 | else if (*op_string == REGISTER_PREFIX) |
11149 | { | |
11150 | as_bad (_("bad register name `%s'"), op_string); | |
11151 | return 0; | |
11152 | } | |
24eab124 | 11153 | else if (*op_string == IMMEDIATE_PREFIX) |
ce8a8b2f | 11154 | { |
24eab124 | 11155 | ++op_string; |
6f2f06be | 11156 | if (i.jumpabsolute) |
24eab124 | 11157 | { |
d0b47220 | 11158 | as_bad (_("immediate operand illegal with absolute jump")); |
24eab124 AM |
11159 | return 0; |
11160 | } | |
11161 | if (!i386_immediate (op_string)) | |
11162 | return 0; | |
11163 | } | |
43234a1e L |
11164 | else if (RC_SAE_immediate (operand_string)) |
11165 | { | |
11166 | /* If it is a RC or SAE immediate, do nothing. */ | |
11167 | ; | |
11168 | } | |
24eab124 AM |
11169 | else if (is_digit_char (*op_string) |
11170 | || is_identifier_char (*op_string) | |
d02603dc | 11171 | || *op_string == '"' |
e5cb08ac | 11172 | || *op_string == '(') |
24eab124 | 11173 | { |
47926f60 | 11174 | /* This is a memory reference of some sort. */ |
af6bdddf | 11175 | char *base_string; |
252b5132 | 11176 | |
47926f60 | 11177 | /* Start and end of displacement string expression (if found). */ |
eecb386c AM |
11178 | char *displacement_string_start; |
11179 | char *displacement_string_end; | |
43234a1e | 11180 | char *vop_start; |
252b5132 | 11181 | |
24eab124 | 11182 | do_memory_reference: |
8325cc63 JB |
11183 | if (i.mem_operands == 1 && !maybe_adjust_templates ()) |
11184 | return 0; | |
24eab124 | 11185 | if ((i.mem_operands == 1 |
40fb9820 | 11186 | && !current_templates->start->opcode_modifier.isstring) |
24eab124 AM |
11187 | || i.mem_operands == 2) |
11188 | { | |
11189 | as_bad (_("too many memory references for `%s'"), | |
11190 | current_templates->start->name); | |
11191 | return 0; | |
11192 | } | |
252b5132 | 11193 | |
24eab124 AM |
11194 | /* Check for base index form. We detect the base index form by |
11195 | looking for an ')' at the end of the operand, searching | |
11196 | for the '(' matching it, and finding a REGISTER_PREFIX or ',' | |
11197 | after the '('. */ | |
af6bdddf | 11198 | base_string = op_string + strlen (op_string); |
c3332e24 | 11199 | |
43234a1e L |
11200 | /* Handle vector operations. */ |
11201 | vop_start = strchr (op_string, '{'); | |
11202 | if (vop_start && vop_start < base_string) | |
11203 | { | |
11204 | if (check_VecOperations (vop_start, base_string) == NULL) | |
11205 | return 0; | |
11206 | base_string = vop_start; | |
11207 | } | |
11208 | ||
af6bdddf AM |
11209 | --base_string; |
11210 | if (is_space_char (*base_string)) | |
11211 | --base_string; | |
252b5132 | 11212 | |
47926f60 | 11213 | /* If we only have a displacement, set-up for it to be parsed later. */ |
af6bdddf AM |
11214 | displacement_string_start = op_string; |
11215 | displacement_string_end = base_string + 1; | |
252b5132 | 11216 | |
24eab124 AM |
11217 | if (*base_string == ')') |
11218 | { | |
af6bdddf | 11219 | char *temp_string; |
24eab124 AM |
11220 | unsigned int parens_balanced = 1; |
11221 | /* We've already checked that the number of left & right ()'s are | |
47926f60 | 11222 | equal, so this loop will not be infinite. */ |
24eab124 AM |
11223 | do |
11224 | { | |
11225 | base_string--; | |
11226 | if (*base_string == ')') | |
11227 | parens_balanced++; | |
11228 | if (*base_string == '(') | |
11229 | parens_balanced--; | |
11230 | } | |
11231 | while (parens_balanced); | |
c3332e24 | 11232 | |
af6bdddf | 11233 | temp_string = base_string; |
c3332e24 | 11234 | |
24eab124 | 11235 | /* Skip past '(' and whitespace. */ |
252b5132 RH |
11236 | ++base_string; |
11237 | if (is_space_char (*base_string)) | |
24eab124 | 11238 | ++base_string; |
252b5132 | 11239 | |
af6bdddf | 11240 | if (*base_string == ',' |
4eed87de AM |
11241 | || ((i.base_reg = parse_register (base_string, &end_op)) |
11242 | != NULL)) | |
252b5132 | 11243 | { |
af6bdddf | 11244 | displacement_string_end = temp_string; |
252b5132 | 11245 | |
40fb9820 | 11246 | i.types[this_operand].bitfield.baseindex = 1; |
252b5132 | 11247 | |
af6bdddf | 11248 | if (i.base_reg) |
24eab124 | 11249 | { |
8a6fb3f9 JB |
11250 | if (i.base_reg == &bad_reg) |
11251 | return 0; | |
24eab124 AM |
11252 | base_string = end_op; |
11253 | if (is_space_char (*base_string)) | |
11254 | ++base_string; | |
af6bdddf AM |
11255 | } |
11256 | ||
11257 | /* There may be an index reg or scale factor here. */ | |
11258 | if (*base_string == ',') | |
11259 | { | |
11260 | ++base_string; | |
11261 | if (is_space_char (*base_string)) | |
11262 | ++base_string; | |
11263 | ||
4eed87de AM |
11264 | if ((i.index_reg = parse_register (base_string, &end_op)) |
11265 | != NULL) | |
24eab124 | 11266 | { |
8a6fb3f9 JB |
11267 | if (i.index_reg == &bad_reg) |
11268 | return 0; | |
af6bdddf | 11269 | base_string = end_op; |
24eab124 AM |
11270 | if (is_space_char (*base_string)) |
11271 | ++base_string; | |
af6bdddf AM |
11272 | if (*base_string == ',') |
11273 | { | |
11274 | ++base_string; | |
11275 | if (is_space_char (*base_string)) | |
11276 | ++base_string; | |
11277 | } | |
e5cb08ac | 11278 | else if (*base_string != ')') |
af6bdddf | 11279 | { |
4eed87de AM |
11280 | as_bad (_("expecting `,' or `)' " |
11281 | "after index register in `%s'"), | |
af6bdddf AM |
11282 | operand_string); |
11283 | return 0; | |
11284 | } | |
24eab124 | 11285 | } |
af6bdddf | 11286 | else if (*base_string == REGISTER_PREFIX) |
24eab124 | 11287 | { |
f76bf5e0 L |
11288 | end_op = strchr (base_string, ','); |
11289 | if (end_op) | |
11290 | *end_op = '\0'; | |
af6bdddf | 11291 | as_bad (_("bad register name `%s'"), base_string); |
24eab124 AM |
11292 | return 0; |
11293 | } | |
252b5132 | 11294 | |
47926f60 | 11295 | /* Check for scale factor. */ |
551c1ca1 | 11296 | if (*base_string != ')') |
af6bdddf | 11297 | { |
551c1ca1 AM |
11298 | char *end_scale = i386_scale (base_string); |
11299 | ||
11300 | if (!end_scale) | |
af6bdddf | 11301 | return 0; |
24eab124 | 11302 | |
551c1ca1 | 11303 | base_string = end_scale; |
af6bdddf AM |
11304 | if (is_space_char (*base_string)) |
11305 | ++base_string; | |
11306 | if (*base_string != ')') | |
11307 | { | |
4eed87de AM |
11308 | as_bad (_("expecting `)' " |
11309 | "after scale factor in `%s'"), | |
af6bdddf AM |
11310 | operand_string); |
11311 | return 0; | |
11312 | } | |
11313 | } | |
11314 | else if (!i.index_reg) | |
24eab124 | 11315 | { |
4eed87de AM |
11316 | as_bad (_("expecting index register or scale factor " |
11317 | "after `,'; got '%c'"), | |
af6bdddf | 11318 | *base_string); |
24eab124 AM |
11319 | return 0; |
11320 | } | |
11321 | } | |
af6bdddf | 11322 | else if (*base_string != ')') |
24eab124 | 11323 | { |
4eed87de AM |
11324 | as_bad (_("expecting `,' or `)' " |
11325 | "after base register in `%s'"), | |
af6bdddf | 11326 | operand_string); |
24eab124 AM |
11327 | return 0; |
11328 | } | |
c3332e24 | 11329 | } |
af6bdddf | 11330 | else if (*base_string == REGISTER_PREFIX) |
c3332e24 | 11331 | { |
f76bf5e0 L |
11332 | end_op = strchr (base_string, ','); |
11333 | if (end_op) | |
11334 | *end_op = '\0'; | |
af6bdddf | 11335 | as_bad (_("bad register name `%s'"), base_string); |
24eab124 | 11336 | return 0; |
c3332e24 | 11337 | } |
24eab124 AM |
11338 | } |
11339 | ||
11340 | /* If there's an expression beginning the operand, parse it, | |
11341 | assuming displacement_string_start and | |
11342 | displacement_string_end are meaningful. */ | |
11343 | if (displacement_string_start != displacement_string_end) | |
11344 | { | |
11345 | if (!i386_displacement (displacement_string_start, | |
11346 | displacement_string_end)) | |
11347 | return 0; | |
11348 | } | |
11349 | ||
11350 | /* Special case for (%dx) while doing input/output op. */ | |
11351 | if (i.base_reg | |
75e5731b JB |
11352 | && i.base_reg->reg_type.bitfield.instance == RegD |
11353 | && i.base_reg->reg_type.bitfield.word | |
24eab124 AM |
11354 | && i.index_reg == 0 |
11355 | && i.log2_scale_factor == 0 | |
11356 | && i.seg[i.mem_operands] == 0 | |
40fb9820 | 11357 | && !operand_type_check (i.types[this_operand], disp)) |
24eab124 | 11358 | { |
2fb5be8d | 11359 | i.types[this_operand] = i.base_reg->reg_type; |
24eab124 AM |
11360 | return 1; |
11361 | } | |
11362 | ||
eecb386c AM |
11363 | if (i386_index_check (operand_string) == 0) |
11364 | return 0; | |
c48dadc9 | 11365 | i.flags[this_operand] |= Operand_Mem; |
8325cc63 JB |
11366 | if (i.mem_operands == 0) |
11367 | i.memop1_string = xstrdup (operand_string); | |
24eab124 AM |
11368 | i.mem_operands++; |
11369 | } | |
11370 | else | |
ce8a8b2f AM |
11371 | { |
11372 | /* It's not a memory operand; argh! */ | |
24eab124 AM |
11373 | as_bad (_("invalid char %s beginning operand %d `%s'"), |
11374 | output_invalid (*op_string), | |
11375 | this_operand + 1, | |
11376 | op_string); | |
11377 | return 0; | |
11378 | } | |
47926f60 | 11379 | return 1; /* Normal return. */ |
252b5132 RH |
11380 | } |
11381 | \f | |
fa94de6b RM |
11382 | /* Calculate the maximum variable size (i.e., excluding fr_fix) |
11383 | that an rs_machine_dependent frag may reach. */ | |
11384 | ||
11385 | unsigned int | |
11386 | i386_frag_max_var (fragS *frag) | |
11387 | { | |
11388 | /* The only relaxable frags are for jumps. | |
11389 | Unconditional jumps can grow by 4 bytes and others by 5 bytes. */ | |
11390 | gas_assert (frag->fr_type == rs_machine_dependent); | |
11391 | return TYPE_FROM_RELAX_STATE (frag->fr_subtype) == UNCOND_JUMP ? 4 : 5; | |
11392 | } | |
11393 | ||
b084df0b L |
11394 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
11395 | static int | |
8dcea932 | 11396 | elf_symbol_resolved_in_segment_p (symbolS *fr_symbol, offsetT fr_var) |
b084df0b L |
11397 | { |
11398 | /* STT_GNU_IFUNC symbol must go through PLT. */ | |
11399 | if ((symbol_get_bfdsym (fr_symbol)->flags | |
11400 | & BSF_GNU_INDIRECT_FUNCTION) != 0) | |
11401 | return 0; | |
11402 | ||
11403 | if (!S_IS_EXTERNAL (fr_symbol)) | |
11404 | /* Symbol may be weak or local. */ | |
11405 | return !S_IS_WEAK (fr_symbol); | |
11406 | ||
8dcea932 L |
11407 | /* Global symbols with non-default visibility can't be preempted. */ |
11408 | if (ELF_ST_VISIBILITY (S_GET_OTHER (fr_symbol)) != STV_DEFAULT) | |
11409 | return 1; | |
11410 | ||
11411 | if (fr_var != NO_RELOC) | |
11412 | switch ((enum bfd_reloc_code_real) fr_var) | |
11413 | { | |
11414 | case BFD_RELOC_386_PLT32: | |
11415 | case BFD_RELOC_X86_64_PLT32: | |
33eaf5de | 11416 | /* Symbol with PLT relocation may be preempted. */ |
8dcea932 L |
11417 | return 0; |
11418 | default: | |
11419 | abort (); | |
11420 | } | |
11421 | ||
b084df0b L |
11422 | /* Global symbols with default visibility in a shared library may be |
11423 | preempted by another definition. */ | |
8dcea932 | 11424 | return !shared; |
b084df0b L |
11425 | } |
11426 | #endif | |
11427 | ||
79d72f45 HL |
11428 | /* Table 3-2. Macro-Fusible Instructions in Haswell Microarchitecture |
11429 | Note also work for Skylake and Cascadelake. | |
11430 | --------------------------------------------------------------------- | |
11431 | | JCC | ADD/SUB/CMP | INC/DEC | TEST/AND | | |
11432 | | ------ | ----------- | ------- | -------- | | |
11433 | | Jo | N | N | Y | | |
11434 | | Jno | N | N | Y | | |
11435 | | Jc/Jb | Y | N | Y | | |
11436 | | Jae/Jnb | Y | N | Y | | |
11437 | | Je/Jz | Y | Y | Y | | |
11438 | | Jne/Jnz | Y | Y | Y | | |
11439 | | Jna/Jbe | Y | N | Y | | |
11440 | | Ja/Jnbe | Y | N | Y | | |
11441 | | Js | N | N | Y | | |
11442 | | Jns | N | N | Y | | |
11443 | | Jp/Jpe | N | N | Y | | |
11444 | | Jnp/Jpo | N | N | Y | | |
11445 | | Jl/Jnge | Y | Y | Y | | |
11446 | | Jge/Jnl | Y | Y | Y | | |
11447 | | Jle/Jng | Y | Y | Y | | |
11448 | | Jg/Jnle | Y | Y | Y | | |
11449 | --------------------------------------------------------------------- */ | |
11450 | static int | |
11451 | i386_macro_fusible_p (enum mf_cmp_kind mf_cmp, enum mf_jcc_kind mf_jcc) | |
11452 | { | |
11453 | if (mf_cmp == mf_cmp_alu_cmp) | |
11454 | return ((mf_jcc >= mf_jcc_jc && mf_jcc <= mf_jcc_jna) | |
11455 | || mf_jcc == mf_jcc_jl || mf_jcc == mf_jcc_jle); | |
11456 | if (mf_cmp == mf_cmp_incdec) | |
11457 | return (mf_jcc == mf_jcc_je || mf_jcc == mf_jcc_jl | |
11458 | || mf_jcc == mf_jcc_jle); | |
11459 | if (mf_cmp == mf_cmp_test_and) | |
11460 | return 1; | |
11461 | return 0; | |
11462 | } | |
11463 | ||
e379e5f3 L |
11464 | /* Return the next non-empty frag. */ |
11465 | ||
11466 | static fragS * | |
11467 | i386_next_non_empty_frag (fragS *fragP) | |
11468 | { | |
11469 | /* There may be a frag with a ".fill 0" when there is no room in | |
11470 | the current frag for frag_grow in output_insn. */ | |
11471 | for (fragP = fragP->fr_next; | |
11472 | (fragP != NULL | |
11473 | && fragP->fr_type == rs_fill | |
11474 | && fragP->fr_fix == 0); | |
11475 | fragP = fragP->fr_next) | |
11476 | ; | |
11477 | return fragP; | |
11478 | } | |
11479 | ||
11480 | /* Return the next jcc frag after BRANCH_PADDING. */ | |
11481 | ||
11482 | static fragS * | |
79d72f45 | 11483 | i386_next_fusible_jcc_frag (fragS *maybe_cmp_fragP, fragS *pad_fragP) |
e379e5f3 | 11484 | { |
79d72f45 HL |
11485 | fragS *branch_fragP; |
11486 | if (!pad_fragP) | |
e379e5f3 L |
11487 | return NULL; |
11488 | ||
79d72f45 HL |
11489 | if (pad_fragP->fr_type == rs_machine_dependent |
11490 | && (TYPE_FROM_RELAX_STATE (pad_fragP->fr_subtype) | |
e379e5f3 L |
11491 | == BRANCH_PADDING)) |
11492 | { | |
79d72f45 HL |
11493 | branch_fragP = i386_next_non_empty_frag (pad_fragP); |
11494 | if (branch_fragP->fr_type != rs_machine_dependent) | |
e379e5f3 | 11495 | return NULL; |
79d72f45 HL |
11496 | if (TYPE_FROM_RELAX_STATE (branch_fragP->fr_subtype) == COND_JUMP |
11497 | && i386_macro_fusible_p (maybe_cmp_fragP->tc_frag_data.mf_type, | |
11498 | pad_fragP->tc_frag_data.mf_type)) | |
11499 | return branch_fragP; | |
e379e5f3 L |
11500 | } |
11501 | ||
11502 | return NULL; | |
11503 | } | |
11504 | ||
11505 | /* Classify BRANCH_PADDING, BRANCH_PREFIX and FUSED_JCC_PADDING frags. */ | |
11506 | ||
11507 | static void | |
11508 | i386_classify_machine_dependent_frag (fragS *fragP) | |
11509 | { | |
11510 | fragS *cmp_fragP; | |
11511 | fragS *pad_fragP; | |
11512 | fragS *branch_fragP; | |
11513 | fragS *next_fragP; | |
11514 | unsigned int max_prefix_length; | |
11515 | ||
11516 | if (fragP->tc_frag_data.classified) | |
11517 | return; | |
11518 | ||
11519 | /* First scan for BRANCH_PADDING and FUSED_JCC_PADDING. Convert | |
11520 | FUSED_JCC_PADDING and merge BRANCH_PADDING. */ | |
11521 | for (next_fragP = fragP; | |
11522 | next_fragP != NULL; | |
11523 | next_fragP = next_fragP->fr_next) | |
11524 | { | |
11525 | next_fragP->tc_frag_data.classified = 1; | |
11526 | if (next_fragP->fr_type == rs_machine_dependent) | |
11527 | switch (TYPE_FROM_RELAX_STATE (next_fragP->fr_subtype)) | |
11528 | { | |
11529 | case BRANCH_PADDING: | |
11530 | /* The BRANCH_PADDING frag must be followed by a branch | |
11531 | frag. */ | |
11532 | branch_fragP = i386_next_non_empty_frag (next_fragP); | |
11533 | next_fragP->tc_frag_data.u.branch_fragP = branch_fragP; | |
11534 | break; | |
11535 | case FUSED_JCC_PADDING: | |
11536 | /* Check if this is a fused jcc: | |
11537 | FUSED_JCC_PADDING | |
11538 | CMP like instruction | |
11539 | BRANCH_PADDING | |
11540 | COND_JUMP | |
11541 | */ | |
11542 | cmp_fragP = i386_next_non_empty_frag (next_fragP); | |
11543 | pad_fragP = i386_next_non_empty_frag (cmp_fragP); | |
79d72f45 | 11544 | branch_fragP = i386_next_fusible_jcc_frag (next_fragP, pad_fragP); |
e379e5f3 L |
11545 | if (branch_fragP) |
11546 | { | |
11547 | /* The BRANCH_PADDING frag is merged with the | |
11548 | FUSED_JCC_PADDING frag. */ | |
11549 | next_fragP->tc_frag_data.u.branch_fragP = branch_fragP; | |
11550 | /* CMP like instruction size. */ | |
11551 | next_fragP->tc_frag_data.cmp_size = cmp_fragP->fr_fix; | |
11552 | frag_wane (pad_fragP); | |
11553 | /* Skip to branch_fragP. */ | |
11554 | next_fragP = branch_fragP; | |
11555 | } | |
11556 | else if (next_fragP->tc_frag_data.max_prefix_length) | |
11557 | { | |
11558 | /* Turn FUSED_JCC_PADDING into BRANCH_PREFIX if it isn't | |
11559 | a fused jcc. */ | |
11560 | next_fragP->fr_subtype | |
11561 | = ENCODE_RELAX_STATE (BRANCH_PREFIX, 0); | |
11562 | next_fragP->tc_frag_data.max_bytes | |
11563 | = next_fragP->tc_frag_data.max_prefix_length; | |
11564 | /* This will be updated in the BRANCH_PREFIX scan. */ | |
11565 | next_fragP->tc_frag_data.max_prefix_length = 0; | |
11566 | } | |
11567 | else | |
11568 | frag_wane (next_fragP); | |
11569 | break; | |
11570 | } | |
11571 | } | |
11572 | ||
11573 | /* Stop if there is no BRANCH_PREFIX. */ | |
11574 | if (!align_branch_prefix_size) | |
11575 | return; | |
11576 | ||
11577 | /* Scan for BRANCH_PREFIX. */ | |
11578 | for (; fragP != NULL; fragP = fragP->fr_next) | |
11579 | { | |
11580 | if (fragP->fr_type != rs_machine_dependent | |
11581 | || (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) | |
11582 | != BRANCH_PREFIX)) | |
11583 | continue; | |
11584 | ||
11585 | /* Count all BRANCH_PREFIX frags before BRANCH_PADDING and | |
11586 | COND_JUMP_PREFIX. */ | |
11587 | max_prefix_length = 0; | |
11588 | for (next_fragP = fragP; | |
11589 | next_fragP != NULL; | |
11590 | next_fragP = next_fragP->fr_next) | |
11591 | { | |
11592 | if (next_fragP->fr_type == rs_fill) | |
11593 | /* Skip rs_fill frags. */ | |
11594 | continue; | |
11595 | else if (next_fragP->fr_type != rs_machine_dependent) | |
11596 | /* Stop for all other frags. */ | |
11597 | break; | |
11598 | ||
11599 | /* rs_machine_dependent frags. */ | |
11600 | if (TYPE_FROM_RELAX_STATE (next_fragP->fr_subtype) | |
11601 | == BRANCH_PREFIX) | |
11602 | { | |
11603 | /* Count BRANCH_PREFIX frags. */ | |
11604 | if (max_prefix_length >= MAX_FUSED_JCC_PADDING_SIZE) | |
11605 | { | |
11606 | max_prefix_length = MAX_FUSED_JCC_PADDING_SIZE; | |
11607 | frag_wane (next_fragP); | |
11608 | } | |
11609 | else | |
11610 | max_prefix_length | |
11611 | += next_fragP->tc_frag_data.max_bytes; | |
11612 | } | |
11613 | else if ((TYPE_FROM_RELAX_STATE (next_fragP->fr_subtype) | |
11614 | == BRANCH_PADDING) | |
11615 | || (TYPE_FROM_RELAX_STATE (next_fragP->fr_subtype) | |
11616 | == FUSED_JCC_PADDING)) | |
11617 | { | |
11618 | /* Stop at BRANCH_PADDING and FUSED_JCC_PADDING. */ | |
11619 | fragP->tc_frag_data.u.padding_fragP = next_fragP; | |
11620 | break; | |
11621 | } | |
11622 | else | |
11623 | /* Stop for other rs_machine_dependent frags. */ | |
11624 | break; | |
11625 | } | |
11626 | ||
11627 | fragP->tc_frag_data.max_prefix_length = max_prefix_length; | |
11628 | ||
11629 | /* Skip to the next frag. */ | |
11630 | fragP = next_fragP; | |
11631 | } | |
11632 | } | |
11633 | ||
11634 | /* Compute padding size for | |
11635 | ||
11636 | FUSED_JCC_PADDING | |
11637 | CMP like instruction | |
11638 | BRANCH_PADDING | |
11639 | COND_JUMP/UNCOND_JUMP | |
11640 | ||
11641 | or | |
11642 | ||
11643 | BRANCH_PADDING | |
11644 | COND_JUMP/UNCOND_JUMP | |
11645 | */ | |
11646 | ||
11647 | static int | |
11648 | i386_branch_padding_size (fragS *fragP, offsetT address) | |
11649 | { | |
11650 | unsigned int offset, size, padding_size; | |
11651 | fragS *branch_fragP = fragP->tc_frag_data.u.branch_fragP; | |
11652 | ||
11653 | /* The start address of the BRANCH_PADDING or FUSED_JCC_PADDING frag. */ | |
11654 | if (!address) | |
11655 | address = fragP->fr_address; | |
11656 | address += fragP->fr_fix; | |
11657 | ||
11658 | /* CMP like instrunction size. */ | |
11659 | size = fragP->tc_frag_data.cmp_size; | |
11660 | ||
11661 | /* The base size of the branch frag. */ | |
11662 | size += branch_fragP->fr_fix; | |
11663 | ||
11664 | /* Add opcode and displacement bytes for the rs_machine_dependent | |
11665 | branch frag. */ | |
11666 | if (branch_fragP->fr_type == rs_machine_dependent) | |
11667 | size += md_relax_table[branch_fragP->fr_subtype].rlx_length; | |
11668 | ||
11669 | /* Check if branch is within boundary and doesn't end at the last | |
11670 | byte. */ | |
11671 | offset = address & ((1U << align_branch_power) - 1); | |
11672 | if ((offset + size) >= (1U << align_branch_power)) | |
11673 | /* Padding needed to avoid crossing boundary. */ | |
11674 | padding_size = (1U << align_branch_power) - offset; | |
11675 | else | |
11676 | /* No padding needed. */ | |
11677 | padding_size = 0; | |
11678 | ||
11679 | /* The return value may be saved in tc_frag_data.length which is | |
11680 | unsigned byte. */ | |
11681 | if (!fits_in_unsigned_byte (padding_size)) | |
11682 | abort (); | |
11683 | ||
11684 | return padding_size; | |
11685 | } | |
11686 | ||
11687 | /* i386_generic_table_relax_frag() | |
11688 | ||
11689 | Handle BRANCH_PADDING, BRANCH_PREFIX and FUSED_JCC_PADDING frags to | |
11690 | grow/shrink padding to align branch frags. Hand others to | |
11691 | relax_frag(). */ | |
11692 | ||
11693 | long | |
11694 | i386_generic_table_relax_frag (segT segment, fragS *fragP, long stretch) | |
11695 | { | |
11696 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PADDING | |
11697 | || TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == FUSED_JCC_PADDING) | |
11698 | { | |
11699 | long padding_size = i386_branch_padding_size (fragP, 0); | |
11700 | long grow = padding_size - fragP->tc_frag_data.length; | |
11701 | ||
11702 | /* When the BRANCH_PREFIX frag is used, the computed address | |
11703 | must match the actual address and there should be no padding. */ | |
11704 | if (fragP->tc_frag_data.padding_address | |
11705 | && (fragP->tc_frag_data.padding_address != fragP->fr_address | |
11706 | || padding_size)) | |
11707 | abort (); | |
11708 | ||
11709 | /* Update the padding size. */ | |
11710 | if (grow) | |
11711 | fragP->tc_frag_data.length = padding_size; | |
11712 | ||
11713 | return grow; | |
11714 | } | |
11715 | else if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PREFIX) | |
11716 | { | |
11717 | fragS *padding_fragP, *next_fragP; | |
11718 | long padding_size, left_size, last_size; | |
11719 | ||
11720 | padding_fragP = fragP->tc_frag_data.u.padding_fragP; | |
11721 | if (!padding_fragP) | |
11722 | /* Use the padding set by the leading BRANCH_PREFIX frag. */ | |
11723 | return (fragP->tc_frag_data.length | |
11724 | - fragP->tc_frag_data.last_length); | |
11725 | ||
11726 | /* Compute the relative address of the padding frag in the very | |
11727 | first time where the BRANCH_PREFIX frag sizes are zero. */ | |
11728 | if (!fragP->tc_frag_data.padding_address) | |
11729 | fragP->tc_frag_data.padding_address | |
11730 | = padding_fragP->fr_address - (fragP->fr_address - stretch); | |
11731 | ||
11732 | /* First update the last length from the previous interation. */ | |
11733 | left_size = fragP->tc_frag_data.prefix_length; | |
11734 | for (next_fragP = fragP; | |
11735 | next_fragP != padding_fragP; | |
11736 | next_fragP = next_fragP->fr_next) | |
11737 | if (next_fragP->fr_type == rs_machine_dependent | |
11738 | && (TYPE_FROM_RELAX_STATE (next_fragP->fr_subtype) | |
11739 | == BRANCH_PREFIX)) | |
11740 | { | |
11741 | if (left_size) | |
11742 | { | |
11743 | int max = next_fragP->tc_frag_data.max_bytes; | |
11744 | if (max) | |
11745 | { | |
11746 | int size; | |
11747 | if (max > left_size) | |
11748 | size = left_size; | |
11749 | else | |
11750 | size = max; | |
11751 | left_size -= size; | |
11752 | next_fragP->tc_frag_data.last_length = size; | |
11753 | } | |
11754 | } | |
11755 | else | |
11756 | next_fragP->tc_frag_data.last_length = 0; | |
11757 | } | |
11758 | ||
11759 | /* Check the padding size for the padding frag. */ | |
11760 | padding_size = i386_branch_padding_size | |
11761 | (padding_fragP, (fragP->fr_address | |
11762 | + fragP->tc_frag_data.padding_address)); | |
11763 | ||
11764 | last_size = fragP->tc_frag_data.prefix_length; | |
11765 | /* Check if there is change from the last interation. */ | |
11766 | if (padding_size == last_size) | |
11767 | { | |
11768 | /* Update the expected address of the padding frag. */ | |
11769 | padding_fragP->tc_frag_data.padding_address | |
11770 | = (fragP->fr_address + padding_size | |
11771 | + fragP->tc_frag_data.padding_address); | |
11772 | return 0; | |
11773 | } | |
11774 | ||
11775 | if (padding_size > fragP->tc_frag_data.max_prefix_length) | |
11776 | { | |
11777 | /* No padding if there is no sufficient room. Clear the | |
11778 | expected address of the padding frag. */ | |
11779 | padding_fragP->tc_frag_data.padding_address = 0; | |
11780 | padding_size = 0; | |
11781 | } | |
11782 | else | |
11783 | /* Store the expected address of the padding frag. */ | |
11784 | padding_fragP->tc_frag_data.padding_address | |
11785 | = (fragP->fr_address + padding_size | |
11786 | + fragP->tc_frag_data.padding_address); | |
11787 | ||
11788 | fragP->tc_frag_data.prefix_length = padding_size; | |
11789 | ||
11790 | /* Update the length for the current interation. */ | |
11791 | left_size = padding_size; | |
11792 | for (next_fragP = fragP; | |
11793 | next_fragP != padding_fragP; | |
11794 | next_fragP = next_fragP->fr_next) | |
11795 | if (next_fragP->fr_type == rs_machine_dependent | |
11796 | && (TYPE_FROM_RELAX_STATE (next_fragP->fr_subtype) | |
11797 | == BRANCH_PREFIX)) | |
11798 | { | |
11799 | if (left_size) | |
11800 | { | |
11801 | int max = next_fragP->tc_frag_data.max_bytes; | |
11802 | if (max) | |
11803 | { | |
11804 | int size; | |
11805 | if (max > left_size) | |
11806 | size = left_size; | |
11807 | else | |
11808 | size = max; | |
11809 | left_size -= size; | |
11810 | next_fragP->tc_frag_data.length = size; | |
11811 | } | |
11812 | } | |
11813 | else | |
11814 | next_fragP->tc_frag_data.length = 0; | |
11815 | } | |
11816 | ||
11817 | return (fragP->tc_frag_data.length | |
11818 | - fragP->tc_frag_data.last_length); | |
11819 | } | |
11820 | return relax_frag (segment, fragP, stretch); | |
11821 | } | |
11822 | ||
ee7fcc42 AM |
11823 | /* md_estimate_size_before_relax() |
11824 | ||
11825 | Called just before relax() for rs_machine_dependent frags. The x86 | |
11826 | assembler uses these frags to handle variable size jump | |
11827 | instructions. | |
11828 | ||
11829 | Any symbol that is now undefined will not become defined. | |
11830 | Return the correct fr_subtype in the frag. | |
11831 | Return the initial "guess for variable size of frag" to caller. | |
11832 | The guess is actually the growth beyond the fixed part. Whatever | |
11833 | we do to grow the fixed or variable part contributes to our | |
11834 | returned value. */ | |
11835 | ||
252b5132 | 11836 | int |
7016a5d5 | 11837 | md_estimate_size_before_relax (fragS *fragP, segT segment) |
252b5132 | 11838 | { |
e379e5f3 L |
11839 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PADDING |
11840 | || TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PREFIX | |
11841 | || TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == FUSED_JCC_PADDING) | |
11842 | { | |
11843 | i386_classify_machine_dependent_frag (fragP); | |
11844 | return fragP->tc_frag_data.length; | |
11845 | } | |
11846 | ||
252b5132 | 11847 | /* We've already got fragP->fr_subtype right; all we have to do is |
b98ef147 AM |
11848 | check for un-relaxable symbols. On an ELF system, we can't relax |
11849 | an externally visible symbol, because it may be overridden by a | |
11850 | shared library. */ | |
11851 | if (S_GET_SEGMENT (fragP->fr_symbol) != segment | |
6d249963 | 11852 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
718ddfc0 | 11853 | || (IS_ELF |
8dcea932 L |
11854 | && !elf_symbol_resolved_in_segment_p (fragP->fr_symbol, |
11855 | fragP->fr_var)) | |
fbeb56a4 DK |
11856 | #endif |
11857 | #if defined (OBJ_COFF) && defined (TE_PE) | |
7ab9ffdd | 11858 | || (OUTPUT_FLAVOR == bfd_target_coff_flavour |
fbeb56a4 | 11859 | && S_IS_WEAK (fragP->fr_symbol)) |
b98ef147 AM |
11860 | #endif |
11861 | ) | |
252b5132 | 11862 | { |
b98ef147 AM |
11863 | /* Symbol is undefined in this segment, or we need to keep a |
11864 | reloc so that weak symbols can be overridden. */ | |
11865 | int size = (fragP->fr_subtype & CODE16) ? 2 : 4; | |
f86103b7 | 11866 | enum bfd_reloc_code_real reloc_type; |
ee7fcc42 AM |
11867 | unsigned char *opcode; |
11868 | int old_fr_fix; | |
f6af82bd | 11869 | |
ee7fcc42 | 11870 | if (fragP->fr_var != NO_RELOC) |
1e9cc1c2 | 11871 | reloc_type = (enum bfd_reloc_code_real) fragP->fr_var; |
b98ef147 | 11872 | else if (size == 2) |
f6af82bd | 11873 | reloc_type = BFD_RELOC_16_PCREL; |
bd7ab16b L |
11874 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
11875 | else if (need_plt32_p (fragP->fr_symbol)) | |
11876 | reloc_type = BFD_RELOC_X86_64_PLT32; | |
11877 | #endif | |
f6af82bd AM |
11878 | else |
11879 | reloc_type = BFD_RELOC_32_PCREL; | |
252b5132 | 11880 | |
ee7fcc42 AM |
11881 | old_fr_fix = fragP->fr_fix; |
11882 | opcode = (unsigned char *) fragP->fr_opcode; | |
11883 | ||
fddf5b5b | 11884 | switch (TYPE_FROM_RELAX_STATE (fragP->fr_subtype)) |
252b5132 | 11885 | { |
fddf5b5b AM |
11886 | case UNCOND_JUMP: |
11887 | /* Make jmp (0xeb) a (d)word displacement jump. */ | |
47926f60 | 11888 | opcode[0] = 0xe9; |
252b5132 | 11889 | fragP->fr_fix += size; |
062cd5e7 AS |
11890 | fix_new (fragP, old_fr_fix, size, |
11891 | fragP->fr_symbol, | |
11892 | fragP->fr_offset, 1, | |
11893 | reloc_type); | |
252b5132 RH |
11894 | break; |
11895 | ||
fddf5b5b | 11896 | case COND_JUMP86: |
412167cb AM |
11897 | if (size == 2 |
11898 | && (!no_cond_jump_promotion || fragP->fr_var != NO_RELOC)) | |
fddf5b5b AM |
11899 | { |
11900 | /* Negate the condition, and branch past an | |
11901 | unconditional jump. */ | |
11902 | opcode[0] ^= 1; | |
11903 | opcode[1] = 3; | |
11904 | /* Insert an unconditional jump. */ | |
11905 | opcode[2] = 0xe9; | |
11906 | /* We added two extra opcode bytes, and have a two byte | |
11907 | offset. */ | |
11908 | fragP->fr_fix += 2 + 2; | |
062cd5e7 AS |
11909 | fix_new (fragP, old_fr_fix + 2, 2, |
11910 | fragP->fr_symbol, | |
11911 | fragP->fr_offset, 1, | |
11912 | reloc_type); | |
fddf5b5b AM |
11913 | break; |
11914 | } | |
11915 | /* Fall through. */ | |
11916 | ||
11917 | case COND_JUMP: | |
412167cb AM |
11918 | if (no_cond_jump_promotion && fragP->fr_var == NO_RELOC) |
11919 | { | |
3e02c1cc AM |
11920 | fixS *fixP; |
11921 | ||
412167cb | 11922 | fragP->fr_fix += 1; |
3e02c1cc AM |
11923 | fixP = fix_new (fragP, old_fr_fix, 1, |
11924 | fragP->fr_symbol, | |
11925 | fragP->fr_offset, 1, | |
11926 | BFD_RELOC_8_PCREL); | |
11927 | fixP->fx_signed = 1; | |
412167cb AM |
11928 | break; |
11929 | } | |
93c2a809 | 11930 | |
24eab124 | 11931 | /* This changes the byte-displacement jump 0x7N |
fddf5b5b | 11932 | to the (d)word-displacement jump 0x0f,0x8N. */ |
252b5132 | 11933 | opcode[1] = opcode[0] + 0x10; |
f6af82bd | 11934 | opcode[0] = TWO_BYTE_OPCODE_ESCAPE; |
47926f60 KH |
11935 | /* We've added an opcode byte. */ |
11936 | fragP->fr_fix += 1 + size; | |
062cd5e7 AS |
11937 | fix_new (fragP, old_fr_fix + 1, size, |
11938 | fragP->fr_symbol, | |
11939 | fragP->fr_offset, 1, | |
11940 | reloc_type); | |
252b5132 | 11941 | break; |
fddf5b5b AM |
11942 | |
11943 | default: | |
11944 | BAD_CASE (fragP->fr_subtype); | |
11945 | break; | |
252b5132 RH |
11946 | } |
11947 | frag_wane (fragP); | |
ee7fcc42 | 11948 | return fragP->fr_fix - old_fr_fix; |
252b5132 | 11949 | } |
93c2a809 | 11950 | |
93c2a809 AM |
11951 | /* Guess size depending on current relax state. Initially the relax |
11952 | state will correspond to a short jump and we return 1, because | |
11953 | the variable part of the frag (the branch offset) is one byte | |
11954 | long. However, we can relax a section more than once and in that | |
11955 | case we must either set fr_subtype back to the unrelaxed state, | |
11956 | or return the value for the appropriate branch. */ | |
11957 | return md_relax_table[fragP->fr_subtype].rlx_length; | |
ee7fcc42 AM |
11958 | } |
11959 | ||
47926f60 KH |
11960 | /* Called after relax() is finished. |
11961 | ||
11962 | In: Address of frag. | |
11963 | fr_type == rs_machine_dependent. | |
11964 | fr_subtype is what the address relaxed to. | |
11965 | ||
11966 | Out: Any fixSs and constants are set up. | |
11967 | Caller will turn frag into a ".space 0". */ | |
11968 | ||
252b5132 | 11969 | void |
7016a5d5 TG |
11970 | md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, segT sec ATTRIBUTE_UNUSED, |
11971 | fragS *fragP) | |
252b5132 | 11972 | { |
29b0f896 | 11973 | unsigned char *opcode; |
252b5132 | 11974 | unsigned char *where_to_put_displacement = NULL; |
847f7ad4 AM |
11975 | offsetT target_address; |
11976 | offsetT opcode_address; | |
252b5132 | 11977 | unsigned int extension = 0; |
847f7ad4 | 11978 | offsetT displacement_from_opcode_start; |
252b5132 | 11979 | |
e379e5f3 L |
11980 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PADDING |
11981 | || TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == FUSED_JCC_PADDING | |
11982 | || TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PREFIX) | |
11983 | { | |
11984 | /* Generate nop padding. */ | |
11985 | unsigned int size = fragP->tc_frag_data.length; | |
11986 | if (size) | |
11987 | { | |
11988 | if (size > fragP->tc_frag_data.max_bytes) | |
11989 | abort (); | |
11990 | ||
11991 | if (flag_debug) | |
11992 | { | |
11993 | const char *msg; | |
11994 | const char *branch = "branch"; | |
11995 | const char *prefix = ""; | |
11996 | fragS *padding_fragP; | |
11997 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) | |
11998 | == BRANCH_PREFIX) | |
11999 | { | |
12000 | padding_fragP = fragP->tc_frag_data.u.padding_fragP; | |
12001 | switch (fragP->tc_frag_data.default_prefix) | |
12002 | { | |
12003 | default: | |
12004 | abort (); | |
12005 | break; | |
12006 | case CS_PREFIX_OPCODE: | |
12007 | prefix = " cs"; | |
12008 | break; | |
12009 | case DS_PREFIX_OPCODE: | |
12010 | prefix = " ds"; | |
12011 | break; | |
12012 | case ES_PREFIX_OPCODE: | |
12013 | prefix = " es"; | |
12014 | break; | |
12015 | case FS_PREFIX_OPCODE: | |
12016 | prefix = " fs"; | |
12017 | break; | |
12018 | case GS_PREFIX_OPCODE: | |
12019 | prefix = " gs"; | |
12020 | break; | |
12021 | case SS_PREFIX_OPCODE: | |
12022 | prefix = " ss"; | |
12023 | break; | |
12024 | } | |
12025 | if (padding_fragP) | |
12026 | msg = _("%s:%u: add %d%s at 0x%llx to align " | |
12027 | "%s within %d-byte boundary\n"); | |
12028 | else | |
12029 | msg = _("%s:%u: add additional %d%s at 0x%llx to " | |
12030 | "align %s within %d-byte boundary\n"); | |
12031 | } | |
12032 | else | |
12033 | { | |
12034 | padding_fragP = fragP; | |
12035 | msg = _("%s:%u: add %d%s-byte nop at 0x%llx to align " | |
12036 | "%s within %d-byte boundary\n"); | |
12037 | } | |
12038 | ||
12039 | if (padding_fragP) | |
12040 | switch (padding_fragP->tc_frag_data.branch_type) | |
12041 | { | |
12042 | case align_branch_jcc: | |
12043 | branch = "jcc"; | |
12044 | break; | |
12045 | case align_branch_fused: | |
12046 | branch = "fused jcc"; | |
12047 | break; | |
12048 | case align_branch_jmp: | |
12049 | branch = "jmp"; | |
12050 | break; | |
12051 | case align_branch_call: | |
12052 | branch = "call"; | |
12053 | break; | |
12054 | case align_branch_indirect: | |
12055 | branch = "indiret branch"; | |
12056 | break; | |
12057 | case align_branch_ret: | |
12058 | branch = "ret"; | |
12059 | break; | |
12060 | default: | |
12061 | break; | |
12062 | } | |
12063 | ||
12064 | fprintf (stdout, msg, | |
12065 | fragP->fr_file, fragP->fr_line, size, prefix, | |
12066 | (long long) fragP->fr_address, branch, | |
12067 | 1 << align_branch_power); | |
12068 | } | |
12069 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PREFIX) | |
12070 | memset (fragP->fr_opcode, | |
12071 | fragP->tc_frag_data.default_prefix, size); | |
12072 | else | |
12073 | i386_generate_nops (fragP, (char *) fragP->fr_opcode, | |
12074 | size, 0); | |
12075 | fragP->fr_fix += size; | |
12076 | } | |
12077 | return; | |
12078 | } | |
12079 | ||
252b5132 RH |
12080 | opcode = (unsigned char *) fragP->fr_opcode; |
12081 | ||
47926f60 | 12082 | /* Address we want to reach in file space. */ |
252b5132 | 12083 | target_address = S_GET_VALUE (fragP->fr_symbol) + fragP->fr_offset; |
252b5132 | 12084 | |
47926f60 | 12085 | /* Address opcode resides at in file space. */ |
252b5132 RH |
12086 | opcode_address = fragP->fr_address + fragP->fr_fix; |
12087 | ||
47926f60 | 12088 | /* Displacement from opcode start to fill into instruction. */ |
252b5132 RH |
12089 | displacement_from_opcode_start = target_address - opcode_address; |
12090 | ||
fddf5b5b | 12091 | if ((fragP->fr_subtype & BIG) == 0) |
252b5132 | 12092 | { |
47926f60 KH |
12093 | /* Don't have to change opcode. */ |
12094 | extension = 1; /* 1 opcode + 1 displacement */ | |
252b5132 | 12095 | where_to_put_displacement = &opcode[1]; |
fddf5b5b AM |
12096 | } |
12097 | else | |
12098 | { | |
12099 | if (no_cond_jump_promotion | |
12100 | && TYPE_FROM_RELAX_STATE (fragP->fr_subtype) != UNCOND_JUMP) | |
4eed87de AM |
12101 | as_warn_where (fragP->fr_file, fragP->fr_line, |
12102 | _("long jump required")); | |
252b5132 | 12103 | |
fddf5b5b AM |
12104 | switch (fragP->fr_subtype) |
12105 | { | |
12106 | case ENCODE_RELAX_STATE (UNCOND_JUMP, BIG): | |
12107 | extension = 4; /* 1 opcode + 4 displacement */ | |
12108 | opcode[0] = 0xe9; | |
12109 | where_to_put_displacement = &opcode[1]; | |
12110 | break; | |
252b5132 | 12111 | |
fddf5b5b AM |
12112 | case ENCODE_RELAX_STATE (UNCOND_JUMP, BIG16): |
12113 | extension = 2; /* 1 opcode + 2 displacement */ | |
12114 | opcode[0] = 0xe9; | |
12115 | where_to_put_displacement = &opcode[1]; | |
12116 | break; | |
252b5132 | 12117 | |
fddf5b5b AM |
12118 | case ENCODE_RELAX_STATE (COND_JUMP, BIG): |
12119 | case ENCODE_RELAX_STATE (COND_JUMP86, BIG): | |
12120 | extension = 5; /* 2 opcode + 4 displacement */ | |
12121 | opcode[1] = opcode[0] + 0x10; | |
12122 | opcode[0] = TWO_BYTE_OPCODE_ESCAPE; | |
12123 | where_to_put_displacement = &opcode[2]; | |
12124 | break; | |
252b5132 | 12125 | |
fddf5b5b AM |
12126 | case ENCODE_RELAX_STATE (COND_JUMP, BIG16): |
12127 | extension = 3; /* 2 opcode + 2 displacement */ | |
12128 | opcode[1] = opcode[0] + 0x10; | |
12129 | opcode[0] = TWO_BYTE_OPCODE_ESCAPE; | |
12130 | where_to_put_displacement = &opcode[2]; | |
12131 | break; | |
252b5132 | 12132 | |
fddf5b5b AM |
12133 | case ENCODE_RELAX_STATE (COND_JUMP86, BIG16): |
12134 | extension = 4; | |
12135 | opcode[0] ^= 1; | |
12136 | opcode[1] = 3; | |
12137 | opcode[2] = 0xe9; | |
12138 | where_to_put_displacement = &opcode[3]; | |
12139 | break; | |
12140 | ||
12141 | default: | |
12142 | BAD_CASE (fragP->fr_subtype); | |
12143 | break; | |
12144 | } | |
252b5132 | 12145 | } |
fddf5b5b | 12146 | |
7b81dfbb AJ |
12147 | /* If size if less then four we are sure that the operand fits, |
12148 | but if it's 4, then it could be that the displacement is larger | |
12149 | then -/+ 2GB. */ | |
12150 | if (DISP_SIZE_FROM_RELAX_STATE (fragP->fr_subtype) == 4 | |
12151 | && object_64bit | |
12152 | && ((addressT) (displacement_from_opcode_start - extension | |
4eed87de AM |
12153 | + ((addressT) 1 << 31)) |
12154 | > (((addressT) 2 << 31) - 1))) | |
7b81dfbb AJ |
12155 | { |
12156 | as_bad_where (fragP->fr_file, fragP->fr_line, | |
12157 | _("jump target out of range")); | |
12158 | /* Make us emit 0. */ | |
12159 | displacement_from_opcode_start = extension; | |
12160 | } | |
47926f60 | 12161 | /* Now put displacement after opcode. */ |
252b5132 RH |
12162 | md_number_to_chars ((char *) where_to_put_displacement, |
12163 | (valueT) (displacement_from_opcode_start - extension), | |
fddf5b5b | 12164 | DISP_SIZE_FROM_RELAX_STATE (fragP->fr_subtype)); |
252b5132 RH |
12165 | fragP->fr_fix += extension; |
12166 | } | |
12167 | \f | |
7016a5d5 | 12168 | /* Apply a fixup (fixP) to segment data, once it has been determined |
252b5132 RH |
12169 | by our caller that we have all the info we need to fix it up. |
12170 | ||
7016a5d5 TG |
12171 | Parameter valP is the pointer to the value of the bits. |
12172 | ||
252b5132 RH |
12173 | On the 386, immediates, displacements, and data pointers are all in |
12174 | the same (little-endian) format, so we don't need to care about which | |
12175 | we are handling. */ | |
12176 | ||
94f592af | 12177 | void |
7016a5d5 | 12178 | md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) |
252b5132 | 12179 | { |
94f592af | 12180 | char *p = fixP->fx_where + fixP->fx_frag->fr_literal; |
c6682705 | 12181 | valueT value = *valP; |
252b5132 | 12182 | |
f86103b7 | 12183 | #if !defined (TE_Mach) |
93382f6d AM |
12184 | if (fixP->fx_pcrel) |
12185 | { | |
12186 | switch (fixP->fx_r_type) | |
12187 | { | |
5865bb77 ILT |
12188 | default: |
12189 | break; | |
12190 | ||
d6ab8113 JB |
12191 | case BFD_RELOC_64: |
12192 | fixP->fx_r_type = BFD_RELOC_64_PCREL; | |
12193 | break; | |
93382f6d | 12194 | case BFD_RELOC_32: |
ae8887b5 | 12195 | case BFD_RELOC_X86_64_32S: |
93382f6d AM |
12196 | fixP->fx_r_type = BFD_RELOC_32_PCREL; |
12197 | break; | |
12198 | case BFD_RELOC_16: | |
12199 | fixP->fx_r_type = BFD_RELOC_16_PCREL; | |
12200 | break; | |
12201 | case BFD_RELOC_8: | |
12202 | fixP->fx_r_type = BFD_RELOC_8_PCREL; | |
12203 | break; | |
12204 | } | |
12205 | } | |
252b5132 | 12206 | |
a161fe53 | 12207 | if (fixP->fx_addsy != NULL |
31312f95 | 12208 | && (fixP->fx_r_type == BFD_RELOC_32_PCREL |
d6ab8113 | 12209 | || fixP->fx_r_type == BFD_RELOC_64_PCREL |
31312f95 | 12210 | || fixP->fx_r_type == BFD_RELOC_16_PCREL |
d258b828 | 12211 | || fixP->fx_r_type == BFD_RELOC_8_PCREL) |
31312f95 | 12212 | && !use_rela_relocations) |
252b5132 | 12213 | { |
31312f95 AM |
12214 | /* This is a hack. There should be a better way to handle this. |
12215 | This covers for the fact that bfd_install_relocation will | |
12216 | subtract the current location (for partial_inplace, PC relative | |
12217 | relocations); see more below. */ | |
252b5132 | 12218 | #ifndef OBJ_AOUT |
718ddfc0 | 12219 | if (IS_ELF |
252b5132 RH |
12220 | #ifdef TE_PE |
12221 | || OUTPUT_FLAVOR == bfd_target_coff_flavour | |
12222 | #endif | |
12223 | ) | |
12224 | value += fixP->fx_where + fixP->fx_frag->fr_address; | |
12225 | #endif | |
12226 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
718ddfc0 | 12227 | if (IS_ELF) |
252b5132 | 12228 | { |
6539b54b | 12229 | segT sym_seg = S_GET_SEGMENT (fixP->fx_addsy); |
2f66722d | 12230 | |
6539b54b | 12231 | if ((sym_seg == seg |
2f66722d | 12232 | || (symbol_section_p (fixP->fx_addsy) |
6539b54b | 12233 | && sym_seg != absolute_section)) |
af65af87 | 12234 | && !generic_force_reloc (fixP)) |
2f66722d AM |
12235 | { |
12236 | /* Yes, we add the values in twice. This is because | |
6539b54b AM |
12237 | bfd_install_relocation subtracts them out again. I think |
12238 | bfd_install_relocation is broken, but I don't dare change | |
2f66722d AM |
12239 | it. FIXME. */ |
12240 | value += fixP->fx_where + fixP->fx_frag->fr_address; | |
12241 | } | |
252b5132 RH |
12242 | } |
12243 | #endif | |
12244 | #if defined (OBJ_COFF) && defined (TE_PE) | |
977cdf5a NC |
12245 | /* For some reason, the PE format does not store a |
12246 | section address offset for a PC relative symbol. */ | |
12247 | if (S_GET_SEGMENT (fixP->fx_addsy) != seg | |
7be1c489 | 12248 | || S_IS_WEAK (fixP->fx_addsy)) |
252b5132 RH |
12249 | value += md_pcrel_from (fixP); |
12250 | #endif | |
12251 | } | |
fbeb56a4 | 12252 | #if defined (OBJ_COFF) && defined (TE_PE) |
f01c1a09 NC |
12253 | if (fixP->fx_addsy != NULL |
12254 | && S_IS_WEAK (fixP->fx_addsy) | |
12255 | /* PR 16858: Do not modify weak function references. */ | |
12256 | && ! fixP->fx_pcrel) | |
fbeb56a4 | 12257 | { |
296a8689 NC |
12258 | #if !defined (TE_PEP) |
12259 | /* For x86 PE weak function symbols are neither PC-relative | |
12260 | nor do they set S_IS_FUNCTION. So the only reliable way | |
12261 | to detect them is to check the flags of their containing | |
12262 | section. */ | |
12263 | if (S_GET_SEGMENT (fixP->fx_addsy) != NULL | |
12264 | && S_GET_SEGMENT (fixP->fx_addsy)->flags & SEC_CODE) | |
12265 | ; | |
12266 | else | |
12267 | #endif | |
fbeb56a4 DK |
12268 | value -= S_GET_VALUE (fixP->fx_addsy); |
12269 | } | |
12270 | #endif | |
252b5132 RH |
12271 | |
12272 | /* Fix a few things - the dynamic linker expects certain values here, | |
0234cb7c | 12273 | and we must not disappoint it. */ |
252b5132 | 12274 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
718ddfc0 | 12275 | if (IS_ELF && fixP->fx_addsy) |
47926f60 KH |
12276 | switch (fixP->fx_r_type) |
12277 | { | |
12278 | case BFD_RELOC_386_PLT32: | |
3e73aa7c | 12279 | case BFD_RELOC_X86_64_PLT32: |
b9519cfe L |
12280 | /* Make the jump instruction point to the address of the operand. |
12281 | At runtime we merely add the offset to the actual PLT entry. | |
12282 | NB: Subtract the offset size only for jump instructions. */ | |
12283 | if (fixP->fx_pcrel) | |
12284 | value = -4; | |
47926f60 | 12285 | break; |
31312f95 | 12286 | |
13ae64f3 JJ |
12287 | case BFD_RELOC_386_TLS_GD: |
12288 | case BFD_RELOC_386_TLS_LDM: | |
13ae64f3 | 12289 | case BFD_RELOC_386_TLS_IE_32: |
37e55690 JJ |
12290 | case BFD_RELOC_386_TLS_IE: |
12291 | case BFD_RELOC_386_TLS_GOTIE: | |
67a4f2b7 | 12292 | case BFD_RELOC_386_TLS_GOTDESC: |
bffbf940 JJ |
12293 | case BFD_RELOC_X86_64_TLSGD: |
12294 | case BFD_RELOC_X86_64_TLSLD: | |
12295 | case BFD_RELOC_X86_64_GOTTPOFF: | |
67a4f2b7 | 12296 | case BFD_RELOC_X86_64_GOTPC32_TLSDESC: |
00f7efb6 JJ |
12297 | value = 0; /* Fully resolved at runtime. No addend. */ |
12298 | /* Fallthrough */ | |
12299 | case BFD_RELOC_386_TLS_LE: | |
12300 | case BFD_RELOC_386_TLS_LDO_32: | |
12301 | case BFD_RELOC_386_TLS_LE_32: | |
12302 | case BFD_RELOC_X86_64_DTPOFF32: | |
d6ab8113 | 12303 | case BFD_RELOC_X86_64_DTPOFF64: |
00f7efb6 | 12304 | case BFD_RELOC_X86_64_TPOFF32: |
d6ab8113 | 12305 | case BFD_RELOC_X86_64_TPOFF64: |
00f7efb6 JJ |
12306 | S_SET_THREAD_LOCAL (fixP->fx_addsy); |
12307 | break; | |
12308 | ||
67a4f2b7 AO |
12309 | case BFD_RELOC_386_TLS_DESC_CALL: |
12310 | case BFD_RELOC_X86_64_TLSDESC_CALL: | |
12311 | value = 0; /* Fully resolved at runtime. No addend. */ | |
12312 | S_SET_THREAD_LOCAL (fixP->fx_addsy); | |
12313 | fixP->fx_done = 0; | |
12314 | return; | |
12315 | ||
47926f60 KH |
12316 | case BFD_RELOC_VTABLE_INHERIT: |
12317 | case BFD_RELOC_VTABLE_ENTRY: | |
12318 | fixP->fx_done = 0; | |
94f592af | 12319 | return; |
47926f60 KH |
12320 | |
12321 | default: | |
12322 | break; | |
12323 | } | |
12324 | #endif /* defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) */ | |
c6682705 | 12325 | *valP = value; |
f86103b7 | 12326 | #endif /* !defined (TE_Mach) */ |
3e73aa7c | 12327 | |
3e73aa7c | 12328 | /* Are we finished with this relocation now? */ |
c6682705 | 12329 | if (fixP->fx_addsy == NULL) |
3e73aa7c | 12330 | fixP->fx_done = 1; |
fbeb56a4 DK |
12331 | #if defined (OBJ_COFF) && defined (TE_PE) |
12332 | else if (fixP->fx_addsy != NULL && S_IS_WEAK (fixP->fx_addsy)) | |
12333 | { | |
12334 | fixP->fx_done = 0; | |
12335 | /* Remember value for tc_gen_reloc. */ | |
12336 | fixP->fx_addnumber = value; | |
12337 | /* Clear out the frag for now. */ | |
12338 | value = 0; | |
12339 | } | |
12340 | #endif | |
3e73aa7c JH |
12341 | else if (use_rela_relocations) |
12342 | { | |
12343 | fixP->fx_no_overflow = 1; | |
062cd5e7 AS |
12344 | /* Remember value for tc_gen_reloc. */ |
12345 | fixP->fx_addnumber = value; | |
3e73aa7c JH |
12346 | value = 0; |
12347 | } | |
f86103b7 | 12348 | |
94f592af | 12349 | md_number_to_chars (p, value, fixP->fx_size); |
252b5132 | 12350 | } |
252b5132 | 12351 | \f |
6d4af3c2 | 12352 | const char * |
499ac353 | 12353 | md_atof (int type, char *litP, int *sizeP) |
252b5132 | 12354 | { |
499ac353 NC |
12355 | /* This outputs the LITTLENUMs in REVERSE order; |
12356 | in accord with the bigendian 386. */ | |
12357 | return ieee_md_atof (type, litP, sizeP, FALSE); | |
252b5132 RH |
12358 | } |
12359 | \f | |
2d545b82 | 12360 | static char output_invalid_buf[sizeof (unsigned char) * 2 + 6]; |
252b5132 | 12361 | |
252b5132 | 12362 | static char * |
e3bb37b5 | 12363 | output_invalid (int c) |
252b5132 | 12364 | { |
3882b010 | 12365 | if (ISPRINT (c)) |
f9f21a03 L |
12366 | snprintf (output_invalid_buf, sizeof (output_invalid_buf), |
12367 | "'%c'", c); | |
252b5132 | 12368 | else |
f9f21a03 | 12369 | snprintf (output_invalid_buf, sizeof (output_invalid_buf), |
2d545b82 | 12370 | "(0x%x)", (unsigned char) c); |
252b5132 RH |
12371 | return output_invalid_buf; |
12372 | } | |
12373 | ||
8a6fb3f9 JB |
12374 | /* Verify that @r can be used in the current context. */ |
12375 | ||
12376 | static bfd_boolean check_register (const reg_entry *r) | |
12377 | { | |
12378 | if (allow_pseudo_reg) | |
12379 | return TRUE; | |
12380 | ||
12381 | if (operand_type_all_zero (&r->reg_type)) | |
12382 | return FALSE; | |
12383 | ||
12384 | if ((r->reg_type.bitfield.dword | |
12385 | || (r->reg_type.bitfield.class == SReg && r->reg_num > 3) | |
12386 | || r->reg_type.bitfield.class == RegCR | |
22e00a3f | 12387 | || r->reg_type.bitfield.class == RegDR) |
8a6fb3f9 JB |
12388 | && !cpu_arch_flags.bitfield.cpui386) |
12389 | return FALSE; | |
12390 | ||
22e00a3f JB |
12391 | if (r->reg_type.bitfield.class == RegTR |
12392 | && (flag_code == CODE_64BIT | |
12393 | || !cpu_arch_flags.bitfield.cpui386 | |
12394 | || cpu_arch_isa_flags.bitfield.cpui586 | |
12395 | || cpu_arch_isa_flags.bitfield.cpui686)) | |
12396 | return FALSE; | |
12397 | ||
8a6fb3f9 JB |
12398 | if (r->reg_type.bitfield.class == RegMMX && !cpu_arch_flags.bitfield.cpummx) |
12399 | return FALSE; | |
12400 | ||
12401 | if (!cpu_arch_flags.bitfield.cpuavx512f) | |
12402 | { | |
12403 | if (r->reg_type.bitfield.zmmword | |
12404 | || r->reg_type.bitfield.class == RegMask) | |
12405 | return FALSE; | |
12406 | ||
12407 | if (!cpu_arch_flags.bitfield.cpuavx) | |
12408 | { | |
12409 | if (r->reg_type.bitfield.ymmword) | |
12410 | return FALSE; | |
12411 | ||
12412 | if (!cpu_arch_flags.bitfield.cpusse && r->reg_type.bitfield.xmmword) | |
12413 | return FALSE; | |
12414 | } | |
12415 | } | |
12416 | ||
12417 | if (r->reg_type.bitfield.class == RegBND && !cpu_arch_flags.bitfield.cpumpx) | |
12418 | return FALSE; | |
12419 | ||
12420 | /* Don't allow fake index register unless allow_index_reg isn't 0. */ | |
12421 | if (!allow_index_reg && r->reg_num == RegIZ) | |
12422 | return FALSE; | |
12423 | ||
12424 | /* Upper 16 vector registers are only available with VREX in 64bit | |
12425 | mode, and require EVEX encoding. */ | |
12426 | if (r->reg_flags & RegVRex) | |
12427 | { | |
12428 | if (!cpu_arch_flags.bitfield.cpuavx512f | |
12429 | || flag_code != CODE_64BIT) | |
12430 | return FALSE; | |
12431 | ||
da4977e0 JB |
12432 | if (i.vec_encoding == vex_encoding_default) |
12433 | i.vec_encoding = vex_encoding_evex; | |
12434 | else if (i.vec_encoding != vex_encoding_evex) | |
12435 | i.vec_encoding = vex_encoding_error; | |
8a6fb3f9 JB |
12436 | } |
12437 | ||
12438 | if (((r->reg_flags & (RegRex64 | RegRex)) || r->reg_type.bitfield.qword) | |
12439 | && (!cpu_arch_flags.bitfield.cpulm || r->reg_type.bitfield.class != RegCR) | |
12440 | && flag_code != CODE_64BIT) | |
12441 | return FALSE; | |
12442 | ||
12443 | if (r->reg_type.bitfield.class == SReg && r->reg_num == RegFlat | |
12444 | && !intel_syntax) | |
12445 | return FALSE; | |
12446 | ||
12447 | return TRUE; | |
12448 | } | |
12449 | ||
af6bdddf | 12450 | /* REG_STRING starts *before* REGISTER_PREFIX. */ |
252b5132 RH |
12451 | |
12452 | static const reg_entry * | |
4d1bb795 | 12453 | parse_real_register (char *reg_string, char **end_op) |
252b5132 | 12454 | { |
af6bdddf AM |
12455 | char *s = reg_string; |
12456 | char *p; | |
252b5132 RH |
12457 | char reg_name_given[MAX_REG_NAME_SIZE + 1]; |
12458 | const reg_entry *r; | |
12459 | ||
12460 | /* Skip possible REGISTER_PREFIX and possible whitespace. */ | |
12461 | if (*s == REGISTER_PREFIX) | |
12462 | ++s; | |
12463 | ||
12464 | if (is_space_char (*s)) | |
12465 | ++s; | |
12466 | ||
12467 | p = reg_name_given; | |
af6bdddf | 12468 | while ((*p++ = register_chars[(unsigned char) *s]) != '\0') |
252b5132 RH |
12469 | { |
12470 | if (p >= reg_name_given + MAX_REG_NAME_SIZE) | |
af6bdddf AM |
12471 | return (const reg_entry *) NULL; |
12472 | s++; | |
252b5132 RH |
12473 | } |
12474 | ||
6588847e DN |
12475 | /* For naked regs, make sure that we are not dealing with an identifier. |
12476 | This prevents confusing an identifier like `eax_var' with register | |
12477 | `eax'. */ | |
12478 | if (allow_naked_reg && identifier_chars[(unsigned char) *s]) | |
12479 | return (const reg_entry *) NULL; | |
12480 | ||
af6bdddf | 12481 | *end_op = s; |
252b5132 RH |
12482 | |
12483 | r = (const reg_entry *) hash_find (reg_hash, reg_name_given); | |
12484 | ||
5f47d35b | 12485 | /* Handle floating point regs, allowing spaces in the (i) part. */ |
47926f60 | 12486 | if (r == i386_regtab /* %st is first entry of table */) |
5f47d35b | 12487 | { |
0e0eea78 JB |
12488 | if (!cpu_arch_flags.bitfield.cpu8087 |
12489 | && !cpu_arch_flags.bitfield.cpu287 | |
af32b722 JB |
12490 | && !cpu_arch_flags.bitfield.cpu387 |
12491 | && !allow_pseudo_reg) | |
0e0eea78 JB |
12492 | return (const reg_entry *) NULL; |
12493 | ||
5f47d35b AM |
12494 | if (is_space_char (*s)) |
12495 | ++s; | |
12496 | if (*s == '(') | |
12497 | { | |
af6bdddf | 12498 | ++s; |
5f47d35b AM |
12499 | if (is_space_char (*s)) |
12500 | ++s; | |
12501 | if (*s >= '0' && *s <= '7') | |
12502 | { | |
db557034 | 12503 | int fpr = *s - '0'; |
af6bdddf | 12504 | ++s; |
5f47d35b AM |
12505 | if (is_space_char (*s)) |
12506 | ++s; | |
12507 | if (*s == ')') | |
12508 | { | |
12509 | *end_op = s + 1; | |
1e9cc1c2 | 12510 | r = (const reg_entry *) hash_find (reg_hash, "st(0)"); |
db557034 AM |
12511 | know (r); |
12512 | return r + fpr; | |
5f47d35b | 12513 | } |
5f47d35b | 12514 | } |
47926f60 | 12515 | /* We have "%st(" then garbage. */ |
5f47d35b AM |
12516 | return (const reg_entry *) NULL; |
12517 | } | |
12518 | } | |
12519 | ||
8a6fb3f9 | 12520 | return r && check_register (r) ? r : NULL; |
252b5132 | 12521 | } |
4d1bb795 JB |
12522 | |
12523 | /* REG_STRING starts *before* REGISTER_PREFIX. */ | |
12524 | ||
12525 | static const reg_entry * | |
12526 | parse_register (char *reg_string, char **end_op) | |
12527 | { | |
12528 | const reg_entry *r; | |
12529 | ||
12530 | if (*reg_string == REGISTER_PREFIX || allow_naked_reg) | |
12531 | r = parse_real_register (reg_string, end_op); | |
12532 | else | |
12533 | r = NULL; | |
12534 | if (!r) | |
12535 | { | |
12536 | char *save = input_line_pointer; | |
12537 | char c; | |
12538 | symbolS *symbolP; | |
12539 | ||
12540 | input_line_pointer = reg_string; | |
d02603dc | 12541 | c = get_symbol_name (®_string); |
4d1bb795 JB |
12542 | symbolP = symbol_find (reg_string); |
12543 | if (symbolP && S_GET_SEGMENT (symbolP) == reg_section) | |
12544 | { | |
12545 | const expressionS *e = symbol_get_value_expression (symbolP); | |
12546 | ||
0398aac5 | 12547 | know (e->X_op == O_register); |
4eed87de | 12548 | know (e->X_add_number >= 0 |
c3fe08fa | 12549 | && (valueT) e->X_add_number < i386_regtab_size); |
4d1bb795 | 12550 | r = i386_regtab + e->X_add_number; |
8a6fb3f9 JB |
12551 | if (!check_register (r)) |
12552 | { | |
12553 | as_bad (_("register '%s%s' cannot be used here"), | |
12554 | register_prefix, r->reg_name); | |
12555 | r = &bad_reg; | |
12556 | } | |
4d1bb795 JB |
12557 | *end_op = input_line_pointer; |
12558 | } | |
12559 | *input_line_pointer = c; | |
12560 | input_line_pointer = save; | |
12561 | } | |
12562 | return r; | |
12563 | } | |
12564 | ||
12565 | int | |
12566 | i386_parse_name (char *name, expressionS *e, char *nextcharP) | |
12567 | { | |
12568 | const reg_entry *r; | |
12569 | char *end = input_line_pointer; | |
12570 | ||
12571 | *end = *nextcharP; | |
12572 | r = parse_register (name, &input_line_pointer); | |
12573 | if (r && end <= input_line_pointer) | |
12574 | { | |
12575 | *nextcharP = *input_line_pointer; | |
12576 | *input_line_pointer = 0; | |
8a6fb3f9 JB |
12577 | if (r != &bad_reg) |
12578 | { | |
12579 | e->X_op = O_register; | |
12580 | e->X_add_number = r - i386_regtab; | |
12581 | } | |
12582 | else | |
12583 | e->X_op = O_illegal; | |
4d1bb795 JB |
12584 | return 1; |
12585 | } | |
12586 | input_line_pointer = end; | |
12587 | *end = 0; | |
ee86248c | 12588 | return intel_syntax ? i386_intel_parse_name (name, e) : 0; |
4d1bb795 JB |
12589 | } |
12590 | ||
12591 | void | |
12592 | md_operand (expressionS *e) | |
12593 | { | |
ee86248c JB |
12594 | char *end; |
12595 | const reg_entry *r; | |
4d1bb795 | 12596 | |
ee86248c JB |
12597 | switch (*input_line_pointer) |
12598 | { | |
12599 | case REGISTER_PREFIX: | |
12600 | r = parse_real_register (input_line_pointer, &end); | |
4d1bb795 JB |
12601 | if (r) |
12602 | { | |
12603 | e->X_op = O_register; | |
12604 | e->X_add_number = r - i386_regtab; | |
12605 | input_line_pointer = end; | |
12606 | } | |
ee86248c JB |
12607 | break; |
12608 | ||
12609 | case '[': | |
9c2799c2 | 12610 | gas_assert (intel_syntax); |
ee86248c JB |
12611 | end = input_line_pointer++; |
12612 | expression (e); | |
12613 | if (*input_line_pointer == ']') | |
12614 | { | |
12615 | ++input_line_pointer; | |
12616 | e->X_op_symbol = make_expr_symbol (e); | |
12617 | e->X_add_symbol = NULL; | |
12618 | e->X_add_number = 0; | |
12619 | e->X_op = O_index; | |
12620 | } | |
12621 | else | |
12622 | { | |
12623 | e->X_op = O_absent; | |
12624 | input_line_pointer = end; | |
12625 | } | |
12626 | break; | |
4d1bb795 JB |
12627 | } |
12628 | } | |
12629 | ||
252b5132 | 12630 | \f |
4cc782b5 | 12631 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
b6f8c7c4 | 12632 | const char *md_shortopts = "kVQ:sqnO::"; |
252b5132 | 12633 | #else |
b6f8c7c4 | 12634 | const char *md_shortopts = "qnO::"; |
252b5132 | 12635 | #endif |
6e0b89ee | 12636 | |
3e73aa7c | 12637 | #define OPTION_32 (OPTION_MD_BASE + 0) |
b3b91714 AM |
12638 | #define OPTION_64 (OPTION_MD_BASE + 1) |
12639 | #define OPTION_DIVIDE (OPTION_MD_BASE + 2) | |
9103f4f4 L |
12640 | #define OPTION_MARCH (OPTION_MD_BASE + 3) |
12641 | #define OPTION_MTUNE (OPTION_MD_BASE + 4) | |
1efbbeb4 L |
12642 | #define OPTION_MMNEMONIC (OPTION_MD_BASE + 5) |
12643 | #define OPTION_MSYNTAX (OPTION_MD_BASE + 6) | |
12644 | #define OPTION_MINDEX_REG (OPTION_MD_BASE + 7) | |
12645 | #define OPTION_MNAKED_REG (OPTION_MD_BASE + 8) | |
bd5dea88 | 12646 | #define OPTION_MRELAX_RELOCATIONS (OPTION_MD_BASE + 9) |
c0f3af97 | 12647 | #define OPTION_MSSE2AVX (OPTION_MD_BASE + 10) |
daf50ae7 | 12648 | #define OPTION_MSSE_CHECK (OPTION_MD_BASE + 11) |
7bab8ab5 JB |
12649 | #define OPTION_MOPERAND_CHECK (OPTION_MD_BASE + 12) |
12650 | #define OPTION_MAVXSCALAR (OPTION_MD_BASE + 13) | |
12651 | #define OPTION_X32 (OPTION_MD_BASE + 14) | |
7e8b059b | 12652 | #define OPTION_MADD_BND_PREFIX (OPTION_MD_BASE + 15) |
43234a1e L |
12653 | #define OPTION_MEVEXLIG (OPTION_MD_BASE + 16) |
12654 | #define OPTION_MEVEXWIG (OPTION_MD_BASE + 17) | |
167ad85b | 12655 | #define OPTION_MBIG_OBJ (OPTION_MD_BASE + 18) |
d1982f93 | 12656 | #define OPTION_MOMIT_LOCK_PREFIX (OPTION_MD_BASE + 19) |
d3d3c6db | 12657 | #define OPTION_MEVEXRCIG (OPTION_MD_BASE + 20) |
8dcea932 | 12658 | #define OPTION_MSHARED (OPTION_MD_BASE + 21) |
5db04b09 L |
12659 | #define OPTION_MAMD64 (OPTION_MD_BASE + 22) |
12660 | #define OPTION_MINTEL64 (OPTION_MD_BASE + 23) | |
e4e00185 | 12661 | #define OPTION_MFENCE_AS_LOCK_ADD (OPTION_MD_BASE + 24) |
b4a3a7b4 | 12662 | #define OPTION_X86_USED_NOTE (OPTION_MD_BASE + 25) |
03751133 | 12663 | #define OPTION_MVEXWIG (OPTION_MD_BASE + 26) |
e379e5f3 L |
12664 | #define OPTION_MALIGN_BRANCH_BOUNDARY (OPTION_MD_BASE + 27) |
12665 | #define OPTION_MALIGN_BRANCH_PREFIX_SIZE (OPTION_MD_BASE + 28) | |
12666 | #define OPTION_MALIGN_BRANCH (OPTION_MD_BASE + 29) | |
76cf450b | 12667 | #define OPTION_MBRANCHES_WITH_32B_BOUNDARIES (OPTION_MD_BASE + 30) |
ae531041 L |
12668 | #define OPTION_MLFENCE_AFTER_LOAD (OPTION_MD_BASE + 31) |
12669 | #define OPTION_MLFENCE_BEFORE_INDIRECT_BRANCH (OPTION_MD_BASE + 32) | |
12670 | #define OPTION_MLFENCE_BEFORE_RET (OPTION_MD_BASE + 33) | |
b3b91714 | 12671 | |
99ad8390 NC |
12672 | struct option md_longopts[] = |
12673 | { | |
3e73aa7c | 12674 | {"32", no_argument, NULL, OPTION_32}, |
321098a5 | 12675 | #if (defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \ |
d382c579 | 12676 | || defined (TE_PE) || defined (TE_PEP) || defined (OBJ_MACH_O)) |
3e73aa7c | 12677 | {"64", no_argument, NULL, OPTION_64}, |
351f65ca L |
12678 | #endif |
12679 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
570561f7 | 12680 | {"x32", no_argument, NULL, OPTION_X32}, |
8dcea932 | 12681 | {"mshared", no_argument, NULL, OPTION_MSHARED}, |
b4a3a7b4 | 12682 | {"mx86-used-note", required_argument, NULL, OPTION_X86_USED_NOTE}, |
6e0b89ee | 12683 | #endif |
b3b91714 | 12684 | {"divide", no_argument, NULL, OPTION_DIVIDE}, |
9103f4f4 L |
12685 | {"march", required_argument, NULL, OPTION_MARCH}, |
12686 | {"mtune", required_argument, NULL, OPTION_MTUNE}, | |
1efbbeb4 L |
12687 | {"mmnemonic", required_argument, NULL, OPTION_MMNEMONIC}, |
12688 | {"msyntax", required_argument, NULL, OPTION_MSYNTAX}, | |
12689 | {"mindex-reg", no_argument, NULL, OPTION_MINDEX_REG}, | |
12690 | {"mnaked-reg", no_argument, NULL, OPTION_MNAKED_REG}, | |
c0f3af97 | 12691 | {"msse2avx", no_argument, NULL, OPTION_MSSE2AVX}, |
daf50ae7 | 12692 | {"msse-check", required_argument, NULL, OPTION_MSSE_CHECK}, |
7bab8ab5 | 12693 | {"moperand-check", required_argument, NULL, OPTION_MOPERAND_CHECK}, |
539f890d | 12694 | {"mavxscalar", required_argument, NULL, OPTION_MAVXSCALAR}, |
03751133 | 12695 | {"mvexwig", required_argument, NULL, OPTION_MVEXWIG}, |
7e8b059b | 12696 | {"madd-bnd-prefix", no_argument, NULL, OPTION_MADD_BND_PREFIX}, |
43234a1e L |
12697 | {"mevexlig", required_argument, NULL, OPTION_MEVEXLIG}, |
12698 | {"mevexwig", required_argument, NULL, OPTION_MEVEXWIG}, | |
167ad85b TG |
12699 | # if defined (TE_PE) || defined (TE_PEP) |
12700 | {"mbig-obj", no_argument, NULL, OPTION_MBIG_OBJ}, | |
12701 | #endif | |
d1982f93 | 12702 | {"momit-lock-prefix", required_argument, NULL, OPTION_MOMIT_LOCK_PREFIX}, |
e4e00185 | 12703 | {"mfence-as-lock-add", required_argument, NULL, OPTION_MFENCE_AS_LOCK_ADD}, |
0cb4071e | 12704 | {"mrelax-relocations", required_argument, NULL, OPTION_MRELAX_RELOCATIONS}, |
d3d3c6db | 12705 | {"mevexrcig", required_argument, NULL, OPTION_MEVEXRCIG}, |
e379e5f3 L |
12706 | {"malign-branch-boundary", required_argument, NULL, OPTION_MALIGN_BRANCH_BOUNDARY}, |
12707 | {"malign-branch-prefix-size", required_argument, NULL, OPTION_MALIGN_BRANCH_PREFIX_SIZE}, | |
12708 | {"malign-branch", required_argument, NULL, OPTION_MALIGN_BRANCH}, | |
76cf450b | 12709 | {"mbranches-within-32B-boundaries", no_argument, NULL, OPTION_MBRANCHES_WITH_32B_BOUNDARIES}, |
ae531041 L |
12710 | {"mlfence-after-load", required_argument, NULL, OPTION_MLFENCE_AFTER_LOAD}, |
12711 | {"mlfence-before-indirect-branch", required_argument, NULL, | |
12712 | OPTION_MLFENCE_BEFORE_INDIRECT_BRANCH}, | |
12713 | {"mlfence-before-ret", required_argument, NULL, OPTION_MLFENCE_BEFORE_RET}, | |
5db04b09 L |
12714 | {"mamd64", no_argument, NULL, OPTION_MAMD64}, |
12715 | {"mintel64", no_argument, NULL, OPTION_MINTEL64}, | |
252b5132 RH |
12716 | {NULL, no_argument, NULL, 0} |
12717 | }; | |
12718 | size_t md_longopts_size = sizeof (md_longopts); | |
12719 | ||
12720 | int | |
17b9d67d | 12721 | md_parse_option (int c, const char *arg) |
252b5132 | 12722 | { |
91d6fa6a | 12723 | unsigned int j; |
e379e5f3 | 12724 | char *arch, *next, *saved, *type; |
9103f4f4 | 12725 | |
252b5132 RH |
12726 | switch (c) |
12727 | { | |
12b55ccc L |
12728 | case 'n': |
12729 | optimize_align_code = 0; | |
12730 | break; | |
12731 | ||
a38cf1db AM |
12732 | case 'q': |
12733 | quiet_warnings = 1; | |
252b5132 RH |
12734 | break; |
12735 | ||
12736 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
a38cf1db AM |
12737 | /* -Qy, -Qn: SVR4 arguments controlling whether a .comment section |
12738 | should be emitted or not. FIXME: Not implemented. */ | |
12739 | case 'Q': | |
d4693039 JB |
12740 | if ((arg[0] != 'y' && arg[0] != 'n') || arg[1]) |
12741 | return 0; | |
252b5132 RH |
12742 | break; |
12743 | ||
12744 | /* -V: SVR4 argument to print version ID. */ | |
12745 | case 'V': | |
12746 | print_version_id (); | |
12747 | break; | |
12748 | ||
a38cf1db AM |
12749 | /* -k: Ignore for FreeBSD compatibility. */ |
12750 | case 'k': | |
252b5132 | 12751 | break; |
4cc782b5 ILT |
12752 | |
12753 | case 's': | |
12754 | /* -s: On i386 Solaris, this tells the native assembler to use | |
29b0f896 | 12755 | .stab instead of .stab.excl. We always use .stab anyhow. */ |
4cc782b5 | 12756 | break; |
8dcea932 L |
12757 | |
12758 | case OPTION_MSHARED: | |
12759 | shared = 1; | |
12760 | break; | |
b4a3a7b4 L |
12761 | |
12762 | case OPTION_X86_USED_NOTE: | |
12763 | if (strcasecmp (arg, "yes") == 0) | |
12764 | x86_used_note = 1; | |
12765 | else if (strcasecmp (arg, "no") == 0) | |
12766 | x86_used_note = 0; | |
12767 | else | |
12768 | as_fatal (_("invalid -mx86-used-note= option: `%s'"), arg); | |
12769 | break; | |
12770 | ||
12771 | ||
99ad8390 | 12772 | #endif |
321098a5 | 12773 | #if (defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \ |
d382c579 | 12774 | || defined (TE_PE) || defined (TE_PEP) || defined (OBJ_MACH_O)) |
3e73aa7c JH |
12775 | case OPTION_64: |
12776 | { | |
12777 | const char **list, **l; | |
12778 | ||
3e73aa7c JH |
12779 | list = bfd_target_list (); |
12780 | for (l = list; *l != NULL; l++) | |
8620418b | 12781 | if (CONST_STRNEQ (*l, "elf64-x86-64") |
99ad8390 NC |
12782 | || strcmp (*l, "coff-x86-64") == 0 |
12783 | || strcmp (*l, "pe-x86-64") == 0 | |
d382c579 TG |
12784 | || strcmp (*l, "pei-x86-64") == 0 |
12785 | || strcmp (*l, "mach-o-x86-64") == 0) | |
6e0b89ee AM |
12786 | { |
12787 | default_arch = "x86_64"; | |
12788 | break; | |
12789 | } | |
3e73aa7c | 12790 | if (*l == NULL) |
2b5d6a91 | 12791 | as_fatal (_("no compiled in support for x86_64")); |
3e73aa7c JH |
12792 | free (list); |
12793 | } | |
12794 | break; | |
12795 | #endif | |
252b5132 | 12796 | |
351f65ca | 12797 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
570561f7 | 12798 | case OPTION_X32: |
351f65ca L |
12799 | if (IS_ELF) |
12800 | { | |
12801 | const char **list, **l; | |
12802 | ||
12803 | list = bfd_target_list (); | |
12804 | for (l = list; *l != NULL; l++) | |
12805 | if (CONST_STRNEQ (*l, "elf32-x86-64")) | |
12806 | { | |
12807 | default_arch = "x86_64:32"; | |
12808 | break; | |
12809 | } | |
12810 | if (*l == NULL) | |
2b5d6a91 | 12811 | as_fatal (_("no compiled in support for 32bit x86_64")); |
351f65ca L |
12812 | free (list); |
12813 | } | |
12814 | else | |
12815 | as_fatal (_("32bit x86_64 is only supported for ELF")); | |
12816 | break; | |
12817 | #endif | |
12818 | ||
6e0b89ee AM |
12819 | case OPTION_32: |
12820 | default_arch = "i386"; | |
12821 | break; | |
12822 | ||
b3b91714 AM |
12823 | case OPTION_DIVIDE: |
12824 | #ifdef SVR4_COMMENT_CHARS | |
12825 | { | |
12826 | char *n, *t; | |
12827 | const char *s; | |
12828 | ||
add39d23 | 12829 | n = XNEWVEC (char, strlen (i386_comment_chars) + 1); |
b3b91714 AM |
12830 | t = n; |
12831 | for (s = i386_comment_chars; *s != '\0'; s++) | |
12832 | if (*s != '/') | |
12833 | *t++ = *s; | |
12834 | *t = '\0'; | |
12835 | i386_comment_chars = n; | |
12836 | } | |
12837 | #endif | |
12838 | break; | |
12839 | ||
9103f4f4 | 12840 | case OPTION_MARCH: |
293f5f65 L |
12841 | saved = xstrdup (arg); |
12842 | arch = saved; | |
12843 | /* Allow -march=+nosse. */ | |
12844 | if (*arch == '+') | |
12845 | arch++; | |
6305a203 | 12846 | do |
9103f4f4 | 12847 | { |
6305a203 | 12848 | if (*arch == '.') |
2b5d6a91 | 12849 | as_fatal (_("invalid -march= option: `%s'"), arg); |
6305a203 L |
12850 | next = strchr (arch, '+'); |
12851 | if (next) | |
12852 | *next++ = '\0'; | |
91d6fa6a | 12853 | for (j = 0; j < ARRAY_SIZE (cpu_arch); j++) |
9103f4f4 | 12854 | { |
91d6fa6a | 12855 | if (strcmp (arch, cpu_arch [j].name) == 0) |
ccc9c027 | 12856 | { |
6305a203 | 12857 | /* Processor. */ |
1ded5609 JB |
12858 | if (! cpu_arch[j].flags.bitfield.cpui386) |
12859 | continue; | |
12860 | ||
91d6fa6a | 12861 | cpu_arch_name = cpu_arch[j].name; |
6305a203 | 12862 | cpu_sub_arch_name = NULL; |
91d6fa6a NC |
12863 | cpu_arch_flags = cpu_arch[j].flags; |
12864 | cpu_arch_isa = cpu_arch[j].type; | |
12865 | cpu_arch_isa_flags = cpu_arch[j].flags; | |
6305a203 L |
12866 | if (!cpu_arch_tune_set) |
12867 | { | |
12868 | cpu_arch_tune = cpu_arch_isa; | |
12869 | cpu_arch_tune_flags = cpu_arch_isa_flags; | |
12870 | } | |
12871 | break; | |
12872 | } | |
91d6fa6a NC |
12873 | else if (*cpu_arch [j].name == '.' |
12874 | && strcmp (arch, cpu_arch [j].name + 1) == 0) | |
6305a203 | 12875 | { |
33eaf5de | 12876 | /* ISA extension. */ |
6305a203 | 12877 | i386_cpu_flags flags; |
309d3373 | 12878 | |
293f5f65 L |
12879 | flags = cpu_flags_or (cpu_arch_flags, |
12880 | cpu_arch[j].flags); | |
81486035 | 12881 | |
5b64d091 | 12882 | if (!cpu_flags_equal (&flags, &cpu_arch_flags)) |
6305a203 L |
12883 | { |
12884 | if (cpu_sub_arch_name) | |
12885 | { | |
12886 | char *name = cpu_sub_arch_name; | |
12887 | cpu_sub_arch_name = concat (name, | |
91d6fa6a | 12888 | cpu_arch[j].name, |
1bf57e9f | 12889 | (const char *) NULL); |
6305a203 L |
12890 | free (name); |
12891 | } | |
12892 | else | |
91d6fa6a | 12893 | cpu_sub_arch_name = xstrdup (cpu_arch[j].name); |
6305a203 | 12894 | cpu_arch_flags = flags; |
a586129e | 12895 | cpu_arch_isa_flags = flags; |
6305a203 | 12896 | } |
0089dace L |
12897 | else |
12898 | cpu_arch_isa_flags | |
12899 | = cpu_flags_or (cpu_arch_isa_flags, | |
12900 | cpu_arch[j].flags); | |
6305a203 | 12901 | break; |
ccc9c027 | 12902 | } |
9103f4f4 | 12903 | } |
6305a203 | 12904 | |
293f5f65 L |
12905 | if (j >= ARRAY_SIZE (cpu_arch)) |
12906 | { | |
33eaf5de | 12907 | /* Disable an ISA extension. */ |
293f5f65 L |
12908 | for (j = 0; j < ARRAY_SIZE (cpu_noarch); j++) |
12909 | if (strcmp (arch, cpu_noarch [j].name) == 0) | |
12910 | { | |
12911 | i386_cpu_flags flags; | |
12912 | ||
12913 | flags = cpu_flags_and_not (cpu_arch_flags, | |
12914 | cpu_noarch[j].flags); | |
12915 | if (!cpu_flags_equal (&flags, &cpu_arch_flags)) | |
12916 | { | |
12917 | if (cpu_sub_arch_name) | |
12918 | { | |
12919 | char *name = cpu_sub_arch_name; | |
12920 | cpu_sub_arch_name = concat (arch, | |
12921 | (const char *) NULL); | |
12922 | free (name); | |
12923 | } | |
12924 | else | |
12925 | cpu_sub_arch_name = xstrdup (arch); | |
12926 | cpu_arch_flags = flags; | |
12927 | cpu_arch_isa_flags = flags; | |
12928 | } | |
12929 | break; | |
12930 | } | |
12931 | ||
12932 | if (j >= ARRAY_SIZE (cpu_noarch)) | |
12933 | j = ARRAY_SIZE (cpu_arch); | |
12934 | } | |
12935 | ||
91d6fa6a | 12936 | if (j >= ARRAY_SIZE (cpu_arch)) |
2b5d6a91 | 12937 | as_fatal (_("invalid -march= option: `%s'"), arg); |
6305a203 L |
12938 | |
12939 | arch = next; | |
9103f4f4 | 12940 | } |
293f5f65 L |
12941 | while (next != NULL); |
12942 | free (saved); | |
9103f4f4 L |
12943 | break; |
12944 | ||
12945 | case OPTION_MTUNE: | |
12946 | if (*arg == '.') | |
2b5d6a91 | 12947 | as_fatal (_("invalid -mtune= option: `%s'"), arg); |
91d6fa6a | 12948 | for (j = 0; j < ARRAY_SIZE (cpu_arch); j++) |
9103f4f4 | 12949 | { |
91d6fa6a | 12950 | if (strcmp (arg, cpu_arch [j].name) == 0) |
9103f4f4 | 12951 | { |
ccc9c027 | 12952 | cpu_arch_tune_set = 1; |
91d6fa6a NC |
12953 | cpu_arch_tune = cpu_arch [j].type; |
12954 | cpu_arch_tune_flags = cpu_arch[j].flags; | |
9103f4f4 L |
12955 | break; |
12956 | } | |
12957 | } | |
91d6fa6a | 12958 | if (j >= ARRAY_SIZE (cpu_arch)) |
2b5d6a91 | 12959 | as_fatal (_("invalid -mtune= option: `%s'"), arg); |
9103f4f4 L |
12960 | break; |
12961 | ||
1efbbeb4 L |
12962 | case OPTION_MMNEMONIC: |
12963 | if (strcasecmp (arg, "att") == 0) | |
12964 | intel_mnemonic = 0; | |
12965 | else if (strcasecmp (arg, "intel") == 0) | |
12966 | intel_mnemonic = 1; | |
12967 | else | |
2b5d6a91 | 12968 | as_fatal (_("invalid -mmnemonic= option: `%s'"), arg); |
1efbbeb4 L |
12969 | break; |
12970 | ||
12971 | case OPTION_MSYNTAX: | |
12972 | if (strcasecmp (arg, "att") == 0) | |
12973 | intel_syntax = 0; | |
12974 | else if (strcasecmp (arg, "intel") == 0) | |
12975 | intel_syntax = 1; | |
12976 | else | |
2b5d6a91 | 12977 | as_fatal (_("invalid -msyntax= option: `%s'"), arg); |
1efbbeb4 L |
12978 | break; |
12979 | ||
12980 | case OPTION_MINDEX_REG: | |
12981 | allow_index_reg = 1; | |
12982 | break; | |
12983 | ||
12984 | case OPTION_MNAKED_REG: | |
12985 | allow_naked_reg = 1; | |
12986 | break; | |
12987 | ||
c0f3af97 L |
12988 | case OPTION_MSSE2AVX: |
12989 | sse2avx = 1; | |
12990 | break; | |
12991 | ||
daf50ae7 L |
12992 | case OPTION_MSSE_CHECK: |
12993 | if (strcasecmp (arg, "error") == 0) | |
7bab8ab5 | 12994 | sse_check = check_error; |
daf50ae7 | 12995 | else if (strcasecmp (arg, "warning") == 0) |
7bab8ab5 | 12996 | sse_check = check_warning; |
daf50ae7 | 12997 | else if (strcasecmp (arg, "none") == 0) |
7bab8ab5 | 12998 | sse_check = check_none; |
daf50ae7 | 12999 | else |
2b5d6a91 | 13000 | as_fatal (_("invalid -msse-check= option: `%s'"), arg); |
daf50ae7 L |
13001 | break; |
13002 | ||
7bab8ab5 JB |
13003 | case OPTION_MOPERAND_CHECK: |
13004 | if (strcasecmp (arg, "error") == 0) | |
13005 | operand_check = check_error; | |
13006 | else if (strcasecmp (arg, "warning") == 0) | |
13007 | operand_check = check_warning; | |
13008 | else if (strcasecmp (arg, "none") == 0) | |
13009 | operand_check = check_none; | |
13010 | else | |
13011 | as_fatal (_("invalid -moperand-check= option: `%s'"), arg); | |
13012 | break; | |
13013 | ||
539f890d L |
13014 | case OPTION_MAVXSCALAR: |
13015 | if (strcasecmp (arg, "128") == 0) | |
13016 | avxscalar = vex128; | |
13017 | else if (strcasecmp (arg, "256") == 0) | |
13018 | avxscalar = vex256; | |
13019 | else | |
2b5d6a91 | 13020 | as_fatal (_("invalid -mavxscalar= option: `%s'"), arg); |
539f890d L |
13021 | break; |
13022 | ||
03751133 L |
13023 | case OPTION_MVEXWIG: |
13024 | if (strcmp (arg, "0") == 0) | |
40c9c8de | 13025 | vexwig = vexw0; |
03751133 | 13026 | else if (strcmp (arg, "1") == 0) |
40c9c8de | 13027 | vexwig = vexw1; |
03751133 L |
13028 | else |
13029 | as_fatal (_("invalid -mvexwig= option: `%s'"), arg); | |
13030 | break; | |
13031 | ||
7e8b059b L |
13032 | case OPTION_MADD_BND_PREFIX: |
13033 | add_bnd_prefix = 1; | |
13034 | break; | |
13035 | ||
43234a1e L |
13036 | case OPTION_MEVEXLIG: |
13037 | if (strcmp (arg, "128") == 0) | |
13038 | evexlig = evexl128; | |
13039 | else if (strcmp (arg, "256") == 0) | |
13040 | evexlig = evexl256; | |
13041 | else if (strcmp (arg, "512") == 0) | |
13042 | evexlig = evexl512; | |
13043 | else | |
13044 | as_fatal (_("invalid -mevexlig= option: `%s'"), arg); | |
13045 | break; | |
13046 | ||
d3d3c6db IT |
13047 | case OPTION_MEVEXRCIG: |
13048 | if (strcmp (arg, "rne") == 0) | |
13049 | evexrcig = rne; | |
13050 | else if (strcmp (arg, "rd") == 0) | |
13051 | evexrcig = rd; | |
13052 | else if (strcmp (arg, "ru") == 0) | |
13053 | evexrcig = ru; | |
13054 | else if (strcmp (arg, "rz") == 0) | |
13055 | evexrcig = rz; | |
13056 | else | |
13057 | as_fatal (_("invalid -mevexrcig= option: `%s'"), arg); | |
13058 | break; | |
13059 | ||
43234a1e L |
13060 | case OPTION_MEVEXWIG: |
13061 | if (strcmp (arg, "0") == 0) | |
13062 | evexwig = evexw0; | |
13063 | else if (strcmp (arg, "1") == 0) | |
13064 | evexwig = evexw1; | |
13065 | else | |
13066 | as_fatal (_("invalid -mevexwig= option: `%s'"), arg); | |
13067 | break; | |
13068 | ||
167ad85b TG |
13069 | # if defined (TE_PE) || defined (TE_PEP) |
13070 | case OPTION_MBIG_OBJ: | |
13071 | use_big_obj = 1; | |
13072 | break; | |
13073 | #endif | |
13074 | ||
d1982f93 | 13075 | case OPTION_MOMIT_LOCK_PREFIX: |
d022bddd IT |
13076 | if (strcasecmp (arg, "yes") == 0) |
13077 | omit_lock_prefix = 1; | |
13078 | else if (strcasecmp (arg, "no") == 0) | |
13079 | omit_lock_prefix = 0; | |
13080 | else | |
13081 | as_fatal (_("invalid -momit-lock-prefix= option: `%s'"), arg); | |
13082 | break; | |
13083 | ||
e4e00185 AS |
13084 | case OPTION_MFENCE_AS_LOCK_ADD: |
13085 | if (strcasecmp (arg, "yes") == 0) | |
13086 | avoid_fence = 1; | |
13087 | else if (strcasecmp (arg, "no") == 0) | |
13088 | avoid_fence = 0; | |
13089 | else | |
13090 | as_fatal (_("invalid -mfence-as-lock-add= option: `%s'"), arg); | |
13091 | break; | |
13092 | ||
ae531041 L |
13093 | case OPTION_MLFENCE_AFTER_LOAD: |
13094 | if (strcasecmp (arg, "yes") == 0) | |
13095 | lfence_after_load = 1; | |
13096 | else if (strcasecmp (arg, "no") == 0) | |
13097 | lfence_after_load = 0; | |
13098 | else | |
13099 | as_fatal (_("invalid -mlfence-after-load= option: `%s'"), arg); | |
13100 | break; | |
13101 | ||
13102 | case OPTION_MLFENCE_BEFORE_INDIRECT_BRANCH: | |
13103 | if (strcasecmp (arg, "all") == 0) | |
a09f656b | 13104 | { |
13105 | lfence_before_indirect_branch = lfence_branch_all; | |
13106 | if (lfence_before_ret == lfence_before_ret_none) | |
13107 | lfence_before_ret = lfence_before_ret_shl; | |
13108 | } | |
ae531041 L |
13109 | else if (strcasecmp (arg, "memory") == 0) |
13110 | lfence_before_indirect_branch = lfence_branch_memory; | |
13111 | else if (strcasecmp (arg, "register") == 0) | |
13112 | lfence_before_indirect_branch = lfence_branch_register; | |
13113 | else if (strcasecmp (arg, "none") == 0) | |
13114 | lfence_before_indirect_branch = lfence_branch_none; | |
13115 | else | |
13116 | as_fatal (_("invalid -mlfence-before-indirect-branch= option: `%s'"), | |
13117 | arg); | |
13118 | break; | |
13119 | ||
13120 | case OPTION_MLFENCE_BEFORE_RET: | |
13121 | if (strcasecmp (arg, "or") == 0) | |
13122 | lfence_before_ret = lfence_before_ret_or; | |
13123 | else if (strcasecmp (arg, "not") == 0) | |
13124 | lfence_before_ret = lfence_before_ret_not; | |
a09f656b | 13125 | else if (strcasecmp (arg, "shl") == 0 || strcasecmp (arg, "yes") == 0) |
13126 | lfence_before_ret = lfence_before_ret_shl; | |
ae531041 L |
13127 | else if (strcasecmp (arg, "none") == 0) |
13128 | lfence_before_ret = lfence_before_ret_none; | |
13129 | else | |
13130 | as_fatal (_("invalid -mlfence-before-ret= option: `%s'"), | |
13131 | arg); | |
13132 | break; | |
13133 | ||
0cb4071e L |
13134 | case OPTION_MRELAX_RELOCATIONS: |
13135 | if (strcasecmp (arg, "yes") == 0) | |
13136 | generate_relax_relocations = 1; | |
13137 | else if (strcasecmp (arg, "no") == 0) | |
13138 | generate_relax_relocations = 0; | |
13139 | else | |
13140 | as_fatal (_("invalid -mrelax-relocations= option: `%s'"), arg); | |
13141 | break; | |
13142 | ||
e379e5f3 L |
13143 | case OPTION_MALIGN_BRANCH_BOUNDARY: |
13144 | { | |
13145 | char *end; | |
13146 | long int align = strtoul (arg, &end, 0); | |
13147 | if (*end == '\0') | |
13148 | { | |
13149 | if (align == 0) | |
13150 | { | |
13151 | align_branch_power = 0; | |
13152 | break; | |
13153 | } | |
13154 | else if (align >= 16) | |
13155 | { | |
13156 | int align_power; | |
13157 | for (align_power = 0; | |
13158 | (align & 1) == 0; | |
13159 | align >>= 1, align_power++) | |
13160 | continue; | |
13161 | /* Limit alignment power to 31. */ | |
13162 | if (align == 1 && align_power < 32) | |
13163 | { | |
13164 | align_branch_power = align_power; | |
13165 | break; | |
13166 | } | |
13167 | } | |
13168 | } | |
13169 | as_fatal (_("invalid -malign-branch-boundary= value: %s"), arg); | |
13170 | } | |
13171 | break; | |
13172 | ||
13173 | case OPTION_MALIGN_BRANCH_PREFIX_SIZE: | |
13174 | { | |
13175 | char *end; | |
13176 | int align = strtoul (arg, &end, 0); | |
13177 | /* Some processors only support 5 prefixes. */ | |
13178 | if (*end == '\0' && align >= 0 && align < 6) | |
13179 | { | |
13180 | align_branch_prefix_size = align; | |
13181 | break; | |
13182 | } | |
13183 | as_fatal (_("invalid -malign-branch-prefix-size= value: %s"), | |
13184 | arg); | |
13185 | } | |
13186 | break; | |
13187 | ||
13188 | case OPTION_MALIGN_BRANCH: | |
13189 | align_branch = 0; | |
13190 | saved = xstrdup (arg); | |
13191 | type = saved; | |
13192 | do | |
13193 | { | |
13194 | next = strchr (type, '+'); | |
13195 | if (next) | |
13196 | *next++ = '\0'; | |
13197 | if (strcasecmp (type, "jcc") == 0) | |
13198 | align_branch |= align_branch_jcc_bit; | |
13199 | else if (strcasecmp (type, "fused") == 0) | |
13200 | align_branch |= align_branch_fused_bit; | |
13201 | else if (strcasecmp (type, "jmp") == 0) | |
13202 | align_branch |= align_branch_jmp_bit; | |
13203 | else if (strcasecmp (type, "call") == 0) | |
13204 | align_branch |= align_branch_call_bit; | |
13205 | else if (strcasecmp (type, "ret") == 0) | |
13206 | align_branch |= align_branch_ret_bit; | |
13207 | else if (strcasecmp (type, "indirect") == 0) | |
13208 | align_branch |= align_branch_indirect_bit; | |
13209 | else | |
13210 | as_fatal (_("invalid -malign-branch= option: `%s'"), arg); | |
13211 | type = next; | |
13212 | } | |
13213 | while (next != NULL); | |
13214 | free (saved); | |
13215 | break; | |
13216 | ||
76cf450b L |
13217 | case OPTION_MBRANCHES_WITH_32B_BOUNDARIES: |
13218 | align_branch_power = 5; | |
13219 | align_branch_prefix_size = 5; | |
13220 | align_branch = (align_branch_jcc_bit | |
13221 | | align_branch_fused_bit | |
13222 | | align_branch_jmp_bit); | |
13223 | break; | |
13224 | ||
5db04b09 | 13225 | case OPTION_MAMD64: |
4b5aaf5f | 13226 | isa64 = amd64; |
5db04b09 L |
13227 | break; |
13228 | ||
13229 | case OPTION_MINTEL64: | |
4b5aaf5f | 13230 | isa64 = intel64; |
5db04b09 L |
13231 | break; |
13232 | ||
b6f8c7c4 L |
13233 | case 'O': |
13234 | if (arg == NULL) | |
13235 | { | |
13236 | optimize = 1; | |
13237 | /* Turn off -Os. */ | |
13238 | optimize_for_space = 0; | |
13239 | } | |
13240 | else if (*arg == 's') | |
13241 | { | |
13242 | optimize_for_space = 1; | |
13243 | /* Turn on all encoding optimizations. */ | |
41fd2579 | 13244 | optimize = INT_MAX; |
b6f8c7c4 L |
13245 | } |
13246 | else | |
13247 | { | |
13248 | optimize = atoi (arg); | |
13249 | /* Turn off -Os. */ | |
13250 | optimize_for_space = 0; | |
13251 | } | |
13252 | break; | |
13253 | ||
252b5132 RH |
13254 | default: |
13255 | return 0; | |
13256 | } | |
13257 | return 1; | |
13258 | } | |
13259 | ||
8a2c8fef L |
13260 | #define MESSAGE_TEMPLATE \ |
13261 | " " | |
13262 | ||
293f5f65 L |
13263 | static char * |
13264 | output_message (FILE *stream, char *p, char *message, char *start, | |
13265 | int *left_p, const char *name, int len) | |
13266 | { | |
13267 | int size = sizeof (MESSAGE_TEMPLATE); | |
13268 | int left = *left_p; | |
13269 | ||
13270 | /* Reserve 2 spaces for ", " or ",\0" */ | |
13271 | left -= len + 2; | |
13272 | ||
13273 | /* Check if there is any room. */ | |
13274 | if (left >= 0) | |
13275 | { | |
13276 | if (p != start) | |
13277 | { | |
13278 | *p++ = ','; | |
13279 | *p++ = ' '; | |
13280 | } | |
13281 | p = mempcpy (p, name, len); | |
13282 | } | |
13283 | else | |
13284 | { | |
13285 | /* Output the current message now and start a new one. */ | |
13286 | *p++ = ','; | |
13287 | *p = '\0'; | |
13288 | fprintf (stream, "%s\n", message); | |
13289 | p = start; | |
13290 | left = size - (start - message) - len - 2; | |
13291 | ||
13292 | gas_assert (left >= 0); | |
13293 | ||
13294 | p = mempcpy (p, name, len); | |
13295 | } | |
13296 | ||
13297 | *left_p = left; | |
13298 | return p; | |
13299 | } | |
13300 | ||
8a2c8fef | 13301 | static void |
1ded5609 | 13302 | show_arch (FILE *stream, int ext, int check) |
8a2c8fef L |
13303 | { |
13304 | static char message[] = MESSAGE_TEMPLATE; | |
13305 | char *start = message + 27; | |
13306 | char *p; | |
13307 | int size = sizeof (MESSAGE_TEMPLATE); | |
13308 | int left; | |
13309 | const char *name; | |
13310 | int len; | |
13311 | unsigned int j; | |
13312 | ||
13313 | p = start; | |
13314 | left = size - (start - message); | |
13315 | for (j = 0; j < ARRAY_SIZE (cpu_arch); j++) | |
13316 | { | |
13317 | /* Should it be skipped? */ | |
13318 | if (cpu_arch [j].skip) | |
13319 | continue; | |
13320 | ||
13321 | name = cpu_arch [j].name; | |
13322 | len = cpu_arch [j].len; | |
13323 | if (*name == '.') | |
13324 | { | |
13325 | /* It is an extension. Skip if we aren't asked to show it. */ | |
13326 | if (ext) | |
13327 | { | |
13328 | name++; | |
13329 | len--; | |
13330 | } | |
13331 | else | |
13332 | continue; | |
13333 | } | |
13334 | else if (ext) | |
13335 | { | |
13336 | /* It is an processor. Skip if we show only extension. */ | |
13337 | continue; | |
13338 | } | |
1ded5609 JB |
13339 | else if (check && ! cpu_arch[j].flags.bitfield.cpui386) |
13340 | { | |
13341 | /* It is an impossible processor - skip. */ | |
13342 | continue; | |
13343 | } | |
8a2c8fef | 13344 | |
293f5f65 | 13345 | p = output_message (stream, p, message, start, &left, name, len); |
8a2c8fef L |
13346 | } |
13347 | ||
293f5f65 L |
13348 | /* Display disabled extensions. */ |
13349 | if (ext) | |
13350 | for (j = 0; j < ARRAY_SIZE (cpu_noarch); j++) | |
13351 | { | |
13352 | name = cpu_noarch [j].name; | |
13353 | len = cpu_noarch [j].len; | |
13354 | p = output_message (stream, p, message, start, &left, name, | |
13355 | len); | |
13356 | } | |
13357 | ||
8a2c8fef L |
13358 | *p = '\0'; |
13359 | fprintf (stream, "%s\n", message); | |
13360 | } | |
13361 | ||
252b5132 | 13362 | void |
8a2c8fef | 13363 | md_show_usage (FILE *stream) |
252b5132 | 13364 | { |
4cc782b5 ILT |
13365 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
13366 | fprintf (stream, _("\ | |
d4693039 | 13367 | -Qy, -Qn ignored\n\ |
a38cf1db | 13368 | -V print assembler version number\n\ |
b3b91714 AM |
13369 | -k ignored\n")); |
13370 | #endif | |
13371 | fprintf (stream, _("\ | |
12b55ccc | 13372 | -n Do not optimize code alignment\n\ |
b3b91714 AM |
13373 | -q quieten some warnings\n")); |
13374 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
13375 | fprintf (stream, _("\ | |
a38cf1db | 13376 | -s ignored\n")); |
b3b91714 | 13377 | #endif |
d7f449c0 L |
13378 | #if defined BFD64 && (defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \ |
13379 | || defined (TE_PE) || defined (TE_PEP)) | |
751d281c | 13380 | fprintf (stream, _("\ |
570561f7 | 13381 | --32/--64/--x32 generate 32bit/64bit/x32 code\n")); |
751d281c | 13382 | #endif |
b3b91714 AM |
13383 | #ifdef SVR4_COMMENT_CHARS |
13384 | fprintf (stream, _("\ | |
13385 | --divide do not treat `/' as a comment character\n")); | |
a38cf1db AM |
13386 | #else |
13387 | fprintf (stream, _("\ | |
b3b91714 | 13388 | --divide ignored\n")); |
4cc782b5 | 13389 | #endif |
9103f4f4 | 13390 | fprintf (stream, _("\ |
6305a203 | 13391 | -march=CPU[,+EXTENSION...]\n\ |
8a2c8fef | 13392 | generate code for CPU and EXTENSION, CPU is one of:\n")); |
1ded5609 | 13393 | show_arch (stream, 0, 1); |
8a2c8fef L |
13394 | fprintf (stream, _("\ |
13395 | EXTENSION is combination of:\n")); | |
1ded5609 | 13396 | show_arch (stream, 1, 0); |
6305a203 | 13397 | fprintf (stream, _("\ |
8a2c8fef | 13398 | -mtune=CPU optimize for CPU, CPU is one of:\n")); |
1ded5609 | 13399 | show_arch (stream, 0, 0); |
ba104c83 | 13400 | fprintf (stream, _("\ |
c0f3af97 L |
13401 | -msse2avx encode SSE instructions with VEX prefix\n")); |
13402 | fprintf (stream, _("\ | |
7c5c05ef | 13403 | -msse-check=[none|error|warning] (default: warning)\n\ |
daf50ae7 L |
13404 | check SSE instructions\n")); |
13405 | fprintf (stream, _("\ | |
7c5c05ef | 13406 | -moperand-check=[none|error|warning] (default: warning)\n\ |
7bab8ab5 JB |
13407 | check operand combinations for validity\n")); |
13408 | fprintf (stream, _("\ | |
7c5c05ef L |
13409 | -mavxscalar=[128|256] (default: 128)\n\ |
13410 | encode scalar AVX instructions with specific vector\n\ | |
539f890d L |
13411 | length\n")); |
13412 | fprintf (stream, _("\ | |
03751133 L |
13413 | -mvexwig=[0|1] (default: 0)\n\ |
13414 | encode VEX instructions with specific VEX.W value\n\ | |
13415 | for VEX.W bit ignored instructions\n")); | |
13416 | fprintf (stream, _("\ | |
7c5c05ef L |
13417 | -mevexlig=[128|256|512] (default: 128)\n\ |
13418 | encode scalar EVEX instructions with specific vector\n\ | |
43234a1e L |
13419 | length\n")); |
13420 | fprintf (stream, _("\ | |
7c5c05ef L |
13421 | -mevexwig=[0|1] (default: 0)\n\ |
13422 | encode EVEX instructions with specific EVEX.W value\n\ | |
43234a1e L |
13423 | for EVEX.W bit ignored instructions\n")); |
13424 | fprintf (stream, _("\ | |
7c5c05ef | 13425 | -mevexrcig=[rne|rd|ru|rz] (default: rne)\n\ |
d3d3c6db IT |
13426 | encode EVEX instructions with specific EVEX.RC value\n\ |
13427 | for SAE-only ignored instructions\n")); | |
13428 | fprintf (stream, _("\ | |
7c5c05ef L |
13429 | -mmnemonic=[att|intel] ")); |
13430 | if (SYSV386_COMPAT) | |
13431 | fprintf (stream, _("(default: att)\n")); | |
13432 | else | |
13433 | fprintf (stream, _("(default: intel)\n")); | |
13434 | fprintf (stream, _("\ | |
13435 | use AT&T/Intel mnemonic\n")); | |
ba104c83 | 13436 | fprintf (stream, _("\ |
7c5c05ef L |
13437 | -msyntax=[att|intel] (default: att)\n\ |
13438 | use AT&T/Intel syntax\n")); | |
ba104c83 L |
13439 | fprintf (stream, _("\ |
13440 | -mindex-reg support pseudo index registers\n")); | |
13441 | fprintf (stream, _("\ | |
13442 | -mnaked-reg don't require `%%' prefix for registers\n")); | |
13443 | fprintf (stream, _("\ | |
7e8b059b | 13444 | -madd-bnd-prefix add BND prefix for all valid branches\n")); |
b4a3a7b4 | 13445 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8dcea932 L |
13446 | fprintf (stream, _("\ |
13447 | -mshared disable branch optimization for shared code\n")); | |
b4a3a7b4 L |
13448 | fprintf (stream, _("\ |
13449 | -mx86-used-note=[no|yes] ")); | |
13450 | if (DEFAULT_X86_USED_NOTE) | |
13451 | fprintf (stream, _("(default: yes)\n")); | |
13452 | else | |
13453 | fprintf (stream, _("(default: no)\n")); | |
13454 | fprintf (stream, _("\ | |
13455 | generate x86 used ISA and feature properties\n")); | |
13456 | #endif | |
13457 | #if defined (TE_PE) || defined (TE_PEP) | |
167ad85b TG |
13458 | fprintf (stream, _("\ |
13459 | -mbig-obj generate big object files\n")); | |
13460 | #endif | |
d022bddd | 13461 | fprintf (stream, _("\ |
7c5c05ef | 13462 | -momit-lock-prefix=[no|yes] (default: no)\n\ |
d022bddd | 13463 | strip all lock prefixes\n")); |
5db04b09 | 13464 | fprintf (stream, _("\ |
7c5c05ef | 13465 | -mfence-as-lock-add=[no|yes] (default: no)\n\ |
e4e00185 AS |
13466 | encode lfence, mfence and sfence as\n\ |
13467 | lock addl $0x0, (%%{re}sp)\n")); | |
13468 | fprintf (stream, _("\ | |
7c5c05ef L |
13469 | -mrelax-relocations=[no|yes] ")); |
13470 | if (DEFAULT_GENERATE_X86_RELAX_RELOCATIONS) | |
13471 | fprintf (stream, _("(default: yes)\n")); | |
13472 | else | |
13473 | fprintf (stream, _("(default: no)\n")); | |
13474 | fprintf (stream, _("\ | |
0cb4071e L |
13475 | generate relax relocations\n")); |
13476 | fprintf (stream, _("\ | |
e379e5f3 L |
13477 | -malign-branch-boundary=NUM (default: 0)\n\ |
13478 | align branches within NUM byte boundary\n")); | |
13479 | fprintf (stream, _("\ | |
13480 | -malign-branch=TYPE[+TYPE...] (default: jcc+fused+jmp)\n\ | |
13481 | TYPE is combination of jcc, fused, jmp, call, ret,\n\ | |
13482 | indirect\n\ | |
13483 | specify types of branches to align\n")); | |
13484 | fprintf (stream, _("\ | |
13485 | -malign-branch-prefix-size=NUM (default: 5)\n\ | |
13486 | align branches with NUM prefixes per instruction\n")); | |
13487 | fprintf (stream, _("\ | |
76cf450b L |
13488 | -mbranches-within-32B-boundaries\n\ |
13489 | align branches within 32 byte boundary\n")); | |
13490 | fprintf (stream, _("\ | |
ae531041 L |
13491 | -mlfence-after-load=[no|yes] (default: no)\n\ |
13492 | generate lfence after load\n")); | |
13493 | fprintf (stream, _("\ | |
13494 | -mlfence-before-indirect-branch=[none|all|register|memory] (default: none)\n\ | |
13495 | generate lfence before indirect near branch\n")); | |
13496 | fprintf (stream, _("\ | |
a09f656b | 13497 | -mlfence-before-ret=[none|or|not|shl|yes] (default: none)\n\ |
ae531041 L |
13498 | generate lfence before ret\n")); |
13499 | fprintf (stream, _("\ | |
7c5c05ef | 13500 | -mamd64 accept only AMD64 ISA [default]\n")); |
5db04b09 L |
13501 | fprintf (stream, _("\ |
13502 | -mintel64 accept only Intel64 ISA\n")); | |
252b5132 RH |
13503 | } |
13504 | ||
3e73aa7c | 13505 | #if ((defined (OBJ_MAYBE_COFF) && defined (OBJ_MAYBE_AOUT)) \ |
321098a5 | 13506 | || defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \ |
e57f8c65 | 13507 | || defined (TE_PE) || defined (TE_PEP) || defined (OBJ_MACH_O)) |
252b5132 RH |
13508 | |
13509 | /* Pick the target format to use. */ | |
13510 | ||
47926f60 | 13511 | const char * |
e3bb37b5 | 13512 | i386_target_format (void) |
252b5132 | 13513 | { |
351f65ca L |
13514 | if (!strncmp (default_arch, "x86_64", 6)) |
13515 | { | |
13516 | update_code_flag (CODE_64BIT, 1); | |
13517 | if (default_arch[6] == '\0') | |
7f56bc95 | 13518 | x86_elf_abi = X86_64_ABI; |
351f65ca | 13519 | else |
7f56bc95 | 13520 | x86_elf_abi = X86_64_X32_ABI; |
351f65ca | 13521 | } |
3e73aa7c | 13522 | else if (!strcmp (default_arch, "i386")) |
78f12dd3 | 13523 | update_code_flag (CODE_32BIT, 1); |
5197d474 L |
13524 | else if (!strcmp (default_arch, "iamcu")) |
13525 | { | |
13526 | update_code_flag (CODE_32BIT, 1); | |
13527 | if (cpu_arch_isa == PROCESSOR_UNKNOWN) | |
13528 | { | |
13529 | static const i386_cpu_flags iamcu_flags = CPU_IAMCU_FLAGS; | |
13530 | cpu_arch_name = "iamcu"; | |
13531 | cpu_sub_arch_name = NULL; | |
13532 | cpu_arch_flags = iamcu_flags; | |
13533 | cpu_arch_isa = PROCESSOR_IAMCU; | |
13534 | cpu_arch_isa_flags = iamcu_flags; | |
13535 | if (!cpu_arch_tune_set) | |
13536 | { | |
13537 | cpu_arch_tune = cpu_arch_isa; | |
13538 | cpu_arch_tune_flags = cpu_arch_isa_flags; | |
13539 | } | |
13540 | } | |
8d471ec1 | 13541 | else if (cpu_arch_isa != PROCESSOR_IAMCU) |
5197d474 L |
13542 | as_fatal (_("Intel MCU doesn't support `%s' architecture"), |
13543 | cpu_arch_name); | |
13544 | } | |
3e73aa7c | 13545 | else |
2b5d6a91 | 13546 | as_fatal (_("unknown architecture")); |
89507696 JB |
13547 | |
13548 | if (cpu_flags_all_zero (&cpu_arch_isa_flags)) | |
13549 | cpu_arch_isa_flags = cpu_arch[flag_code == CODE_64BIT].flags; | |
13550 | if (cpu_flags_all_zero (&cpu_arch_tune_flags)) | |
13551 | cpu_arch_tune_flags = cpu_arch[flag_code == CODE_64BIT].flags; | |
13552 | ||
252b5132 RH |
13553 | switch (OUTPUT_FLAVOR) |
13554 | { | |
9384f2ff | 13555 | #if defined (OBJ_MAYBE_AOUT) || defined (OBJ_AOUT) |
4c63da97 | 13556 | case bfd_target_aout_flavour: |
47926f60 | 13557 | return AOUT_TARGET_FORMAT; |
4c63da97 | 13558 | #endif |
9384f2ff AM |
13559 | #if defined (OBJ_MAYBE_COFF) || defined (OBJ_COFF) |
13560 | # if defined (TE_PE) || defined (TE_PEP) | |
13561 | case bfd_target_coff_flavour: | |
167ad85b TG |
13562 | if (flag_code == CODE_64BIT) |
13563 | return use_big_obj ? "pe-bigobj-x86-64" : "pe-x86-64"; | |
13564 | else | |
251dae91 | 13565 | return use_big_obj ? "pe-bigobj-i386" : "pe-i386"; |
9384f2ff | 13566 | # elif defined (TE_GO32) |
0561d57c JK |
13567 | case bfd_target_coff_flavour: |
13568 | return "coff-go32"; | |
9384f2ff | 13569 | # else |
252b5132 RH |
13570 | case bfd_target_coff_flavour: |
13571 | return "coff-i386"; | |
9384f2ff | 13572 | # endif |
4c63da97 | 13573 | #endif |
3e73aa7c | 13574 | #if defined (OBJ_MAYBE_ELF) || defined (OBJ_ELF) |
252b5132 | 13575 | case bfd_target_elf_flavour: |
3e73aa7c | 13576 | { |
351f65ca L |
13577 | const char *format; |
13578 | ||
13579 | switch (x86_elf_abi) | |
4fa24527 | 13580 | { |
351f65ca L |
13581 | default: |
13582 | format = ELF_TARGET_FORMAT; | |
e379e5f3 L |
13583 | #ifndef TE_SOLARIS |
13584 | tls_get_addr = "___tls_get_addr"; | |
13585 | #endif | |
351f65ca | 13586 | break; |
7f56bc95 | 13587 | case X86_64_ABI: |
351f65ca | 13588 | use_rela_relocations = 1; |
4fa24527 | 13589 | object_64bit = 1; |
e379e5f3 L |
13590 | #ifndef TE_SOLARIS |
13591 | tls_get_addr = "__tls_get_addr"; | |
13592 | #endif | |
351f65ca L |
13593 | format = ELF_TARGET_FORMAT64; |
13594 | break; | |
7f56bc95 | 13595 | case X86_64_X32_ABI: |
4fa24527 | 13596 | use_rela_relocations = 1; |
351f65ca | 13597 | object_64bit = 1; |
e379e5f3 L |
13598 | #ifndef TE_SOLARIS |
13599 | tls_get_addr = "__tls_get_addr"; | |
13600 | #endif | |
862be3fb | 13601 | disallow_64bit_reloc = 1; |
351f65ca L |
13602 | format = ELF_TARGET_FORMAT32; |
13603 | break; | |
4fa24527 | 13604 | } |
3632d14b | 13605 | if (cpu_arch_isa == PROCESSOR_L1OM) |
8a9036a4 | 13606 | { |
7f56bc95 | 13607 | if (x86_elf_abi != X86_64_ABI) |
8a9036a4 L |
13608 | as_fatal (_("Intel L1OM is 64bit only")); |
13609 | return ELF_TARGET_L1OM_FORMAT; | |
13610 | } | |
b49f93f6 | 13611 | else if (cpu_arch_isa == PROCESSOR_K1OM) |
7a9068fe L |
13612 | { |
13613 | if (x86_elf_abi != X86_64_ABI) | |
13614 | as_fatal (_("Intel K1OM is 64bit only")); | |
13615 | return ELF_TARGET_K1OM_FORMAT; | |
13616 | } | |
81486035 L |
13617 | else if (cpu_arch_isa == PROCESSOR_IAMCU) |
13618 | { | |
13619 | if (x86_elf_abi != I386_ABI) | |
13620 | as_fatal (_("Intel MCU is 32bit only")); | |
13621 | return ELF_TARGET_IAMCU_FORMAT; | |
13622 | } | |
8a9036a4 | 13623 | else |
351f65ca | 13624 | return format; |
3e73aa7c | 13625 | } |
e57f8c65 TG |
13626 | #endif |
13627 | #if defined (OBJ_MACH_O) | |
13628 | case bfd_target_mach_o_flavour: | |
d382c579 TG |
13629 | if (flag_code == CODE_64BIT) |
13630 | { | |
13631 | use_rela_relocations = 1; | |
13632 | object_64bit = 1; | |
13633 | return "mach-o-x86-64"; | |
13634 | } | |
13635 | else | |
13636 | return "mach-o-i386"; | |
4c63da97 | 13637 | #endif |
252b5132 RH |
13638 | default: |
13639 | abort (); | |
13640 | return NULL; | |
13641 | } | |
13642 | } | |
13643 | ||
47926f60 | 13644 | #endif /* OBJ_MAYBE_ more than one */ |
252b5132 | 13645 | \f |
252b5132 | 13646 | symbolS * |
7016a5d5 | 13647 | md_undefined_symbol (char *name) |
252b5132 | 13648 | { |
18dc2407 ILT |
13649 | if (name[0] == GLOBAL_OFFSET_TABLE_NAME[0] |
13650 | && name[1] == GLOBAL_OFFSET_TABLE_NAME[1] | |
13651 | && name[2] == GLOBAL_OFFSET_TABLE_NAME[2] | |
13652 | && strcmp (name, GLOBAL_OFFSET_TABLE_NAME) == 0) | |
24eab124 AM |
13653 | { |
13654 | if (!GOT_symbol) | |
13655 | { | |
13656 | if (symbol_find (name)) | |
13657 | as_bad (_("GOT already in symbol table")); | |
13658 | GOT_symbol = symbol_new (name, undefined_section, | |
13659 | (valueT) 0, &zero_address_frag); | |
13660 | }; | |
13661 | return GOT_symbol; | |
13662 | } | |
252b5132 RH |
13663 | return 0; |
13664 | } | |
13665 | ||
13666 | /* Round up a section size to the appropriate boundary. */ | |
47926f60 | 13667 | |
252b5132 | 13668 | valueT |
7016a5d5 | 13669 | md_section_align (segT segment ATTRIBUTE_UNUSED, valueT size) |
252b5132 | 13670 | { |
4c63da97 AM |
13671 | #if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT)) |
13672 | if (OUTPUT_FLAVOR == bfd_target_aout_flavour) | |
13673 | { | |
13674 | /* For a.out, force the section size to be aligned. If we don't do | |
13675 | this, BFD will align it for us, but it will not write out the | |
13676 | final bytes of the section. This may be a bug in BFD, but it is | |
13677 | easier to fix it here since that is how the other a.out targets | |
13678 | work. */ | |
13679 | int align; | |
13680 | ||
fd361982 | 13681 | align = bfd_section_alignment (segment); |
8d3842cd | 13682 | size = ((size + (1 << align) - 1) & (-((valueT) 1 << align))); |
4c63da97 | 13683 | } |
252b5132 RH |
13684 | #endif |
13685 | ||
13686 | return size; | |
13687 | } | |
13688 | ||
13689 | /* On the i386, PC-relative offsets are relative to the start of the | |
13690 | next instruction. That is, the address of the offset, plus its | |
13691 | size, since the offset is always the last part of the insn. */ | |
13692 | ||
13693 | long | |
e3bb37b5 | 13694 | md_pcrel_from (fixS *fixP) |
252b5132 RH |
13695 | { |
13696 | return fixP->fx_size + fixP->fx_where + fixP->fx_frag->fr_address; | |
13697 | } | |
13698 | ||
13699 | #ifndef I386COFF | |
13700 | ||
13701 | static void | |
e3bb37b5 | 13702 | s_bss (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 13703 | { |
29b0f896 | 13704 | int temp; |
252b5132 | 13705 | |
8a75718c JB |
13706 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
13707 | if (IS_ELF) | |
13708 | obj_elf_section_change_hook (); | |
13709 | #endif | |
252b5132 RH |
13710 | temp = get_absolute_expression (); |
13711 | subseg_set (bss_section, (subsegT) temp); | |
13712 | demand_empty_rest_of_line (); | |
13713 | } | |
13714 | ||
13715 | #endif | |
13716 | ||
e379e5f3 L |
13717 | /* Remember constant directive. */ |
13718 | ||
13719 | void | |
13720 | i386_cons_align (int ignore ATTRIBUTE_UNUSED) | |
13721 | { | |
13722 | if (last_insn.kind != last_insn_directive | |
13723 | && (bfd_section_flags (now_seg) & SEC_CODE)) | |
13724 | { | |
13725 | last_insn.seg = now_seg; | |
13726 | last_insn.kind = last_insn_directive; | |
13727 | last_insn.name = "constant directive"; | |
13728 | last_insn.file = as_where (&last_insn.line); | |
ae531041 L |
13729 | if (lfence_before_ret != lfence_before_ret_none) |
13730 | { | |
13731 | if (lfence_before_indirect_branch != lfence_branch_none) | |
13732 | as_warn (_("constant directive skips -mlfence-before-ret " | |
13733 | "and -mlfence-before-indirect-branch")); | |
13734 | else | |
13735 | as_warn (_("constant directive skips -mlfence-before-ret")); | |
13736 | } | |
13737 | else if (lfence_before_indirect_branch != lfence_branch_none) | |
13738 | as_warn (_("constant directive skips -mlfence-before-indirect-branch")); | |
e379e5f3 L |
13739 | } |
13740 | } | |
13741 | ||
252b5132 | 13742 | void |
e3bb37b5 | 13743 | i386_validate_fix (fixS *fixp) |
252b5132 | 13744 | { |
02a86693 | 13745 | if (fixp->fx_subsy) |
252b5132 | 13746 | { |
02a86693 | 13747 | if (fixp->fx_subsy == GOT_symbol) |
23df1078 | 13748 | { |
02a86693 L |
13749 | if (fixp->fx_r_type == BFD_RELOC_32_PCREL) |
13750 | { | |
13751 | if (!object_64bit) | |
13752 | abort (); | |
13753 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
13754 | if (fixp->fx_tcbit2) | |
56ceb5b5 L |
13755 | fixp->fx_r_type = (fixp->fx_tcbit |
13756 | ? BFD_RELOC_X86_64_REX_GOTPCRELX | |
13757 | : BFD_RELOC_X86_64_GOTPCRELX); | |
02a86693 L |
13758 | else |
13759 | #endif | |
13760 | fixp->fx_r_type = BFD_RELOC_X86_64_GOTPCREL; | |
13761 | } | |
d6ab8113 | 13762 | else |
02a86693 L |
13763 | { |
13764 | if (!object_64bit) | |
13765 | fixp->fx_r_type = BFD_RELOC_386_GOTOFF; | |
13766 | else | |
13767 | fixp->fx_r_type = BFD_RELOC_X86_64_GOTOFF64; | |
13768 | } | |
13769 | fixp->fx_subsy = 0; | |
23df1078 | 13770 | } |
252b5132 | 13771 | } |
02a86693 L |
13772 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
13773 | else if (!object_64bit) | |
13774 | { | |
13775 | if (fixp->fx_r_type == BFD_RELOC_386_GOT32 | |
13776 | && fixp->fx_tcbit2) | |
13777 | fixp->fx_r_type = BFD_RELOC_386_GOT32X; | |
13778 | } | |
13779 | #endif | |
252b5132 RH |
13780 | } |
13781 | ||
252b5132 | 13782 | arelent * |
7016a5d5 | 13783 | tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixp) |
252b5132 RH |
13784 | { |
13785 | arelent *rel; | |
13786 | bfd_reloc_code_real_type code; | |
13787 | ||
13788 | switch (fixp->fx_r_type) | |
13789 | { | |
8ce3d284 | 13790 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8fd4256d L |
13791 | case BFD_RELOC_SIZE32: |
13792 | case BFD_RELOC_SIZE64: | |
13793 | if (S_IS_DEFINED (fixp->fx_addsy) | |
13794 | && !S_IS_EXTERNAL (fixp->fx_addsy)) | |
13795 | { | |
13796 | /* Resolve size relocation against local symbol to size of | |
13797 | the symbol plus addend. */ | |
13798 | valueT value = S_GET_SIZE (fixp->fx_addsy) + fixp->fx_offset; | |
13799 | if (fixp->fx_r_type == BFD_RELOC_SIZE32 | |
13800 | && !fits_in_unsigned_long (value)) | |
13801 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
13802 | _("symbol size computation overflow")); | |
13803 | fixp->fx_addsy = NULL; | |
13804 | fixp->fx_subsy = NULL; | |
13805 | md_apply_fix (fixp, (valueT *) &value, NULL); | |
13806 | return NULL; | |
13807 | } | |
8ce3d284 | 13808 | #endif |
1a0670f3 | 13809 | /* Fall through. */ |
8fd4256d | 13810 | |
3e73aa7c JH |
13811 | case BFD_RELOC_X86_64_PLT32: |
13812 | case BFD_RELOC_X86_64_GOT32: | |
13813 | case BFD_RELOC_X86_64_GOTPCREL: | |
56ceb5b5 L |
13814 | case BFD_RELOC_X86_64_GOTPCRELX: |
13815 | case BFD_RELOC_X86_64_REX_GOTPCRELX: | |
252b5132 RH |
13816 | case BFD_RELOC_386_PLT32: |
13817 | case BFD_RELOC_386_GOT32: | |
02a86693 | 13818 | case BFD_RELOC_386_GOT32X: |
252b5132 RH |
13819 | case BFD_RELOC_386_GOTOFF: |
13820 | case BFD_RELOC_386_GOTPC: | |
13ae64f3 JJ |
13821 | case BFD_RELOC_386_TLS_GD: |
13822 | case BFD_RELOC_386_TLS_LDM: | |
13823 | case BFD_RELOC_386_TLS_LDO_32: | |
13824 | case BFD_RELOC_386_TLS_IE_32: | |
37e55690 JJ |
13825 | case BFD_RELOC_386_TLS_IE: |
13826 | case BFD_RELOC_386_TLS_GOTIE: | |
13ae64f3 JJ |
13827 | case BFD_RELOC_386_TLS_LE_32: |
13828 | case BFD_RELOC_386_TLS_LE: | |
67a4f2b7 AO |
13829 | case BFD_RELOC_386_TLS_GOTDESC: |
13830 | case BFD_RELOC_386_TLS_DESC_CALL: | |
bffbf940 JJ |
13831 | case BFD_RELOC_X86_64_TLSGD: |
13832 | case BFD_RELOC_X86_64_TLSLD: | |
13833 | case BFD_RELOC_X86_64_DTPOFF32: | |
d6ab8113 | 13834 | case BFD_RELOC_X86_64_DTPOFF64: |
bffbf940 JJ |
13835 | case BFD_RELOC_X86_64_GOTTPOFF: |
13836 | case BFD_RELOC_X86_64_TPOFF32: | |
d6ab8113 JB |
13837 | case BFD_RELOC_X86_64_TPOFF64: |
13838 | case BFD_RELOC_X86_64_GOTOFF64: | |
13839 | case BFD_RELOC_X86_64_GOTPC32: | |
7b81dfbb AJ |
13840 | case BFD_RELOC_X86_64_GOT64: |
13841 | case BFD_RELOC_X86_64_GOTPCREL64: | |
13842 | case BFD_RELOC_X86_64_GOTPC64: | |
13843 | case BFD_RELOC_X86_64_GOTPLT64: | |
13844 | case BFD_RELOC_X86_64_PLTOFF64: | |
67a4f2b7 AO |
13845 | case BFD_RELOC_X86_64_GOTPC32_TLSDESC: |
13846 | case BFD_RELOC_X86_64_TLSDESC_CALL: | |
252b5132 RH |
13847 | case BFD_RELOC_RVA: |
13848 | case BFD_RELOC_VTABLE_ENTRY: | |
13849 | case BFD_RELOC_VTABLE_INHERIT: | |
6482c264 NC |
13850 | #ifdef TE_PE |
13851 | case BFD_RELOC_32_SECREL: | |
13852 | #endif | |
252b5132 RH |
13853 | code = fixp->fx_r_type; |
13854 | break; | |
dbbaec26 L |
13855 | case BFD_RELOC_X86_64_32S: |
13856 | if (!fixp->fx_pcrel) | |
13857 | { | |
13858 | /* Don't turn BFD_RELOC_X86_64_32S into BFD_RELOC_32. */ | |
13859 | code = fixp->fx_r_type; | |
13860 | break; | |
13861 | } | |
1a0670f3 | 13862 | /* Fall through. */ |
252b5132 | 13863 | default: |
93382f6d | 13864 | if (fixp->fx_pcrel) |
252b5132 | 13865 | { |
93382f6d AM |
13866 | switch (fixp->fx_size) |
13867 | { | |
13868 | default: | |
b091f402 AM |
13869 | as_bad_where (fixp->fx_file, fixp->fx_line, |
13870 | _("can not do %d byte pc-relative relocation"), | |
13871 | fixp->fx_size); | |
93382f6d AM |
13872 | code = BFD_RELOC_32_PCREL; |
13873 | break; | |
13874 | case 1: code = BFD_RELOC_8_PCREL; break; | |
13875 | case 2: code = BFD_RELOC_16_PCREL; break; | |
d258b828 | 13876 | case 4: code = BFD_RELOC_32_PCREL; break; |
d6ab8113 JB |
13877 | #ifdef BFD64 |
13878 | case 8: code = BFD_RELOC_64_PCREL; break; | |
13879 | #endif | |
93382f6d AM |
13880 | } |
13881 | } | |
13882 | else | |
13883 | { | |
13884 | switch (fixp->fx_size) | |
13885 | { | |
13886 | default: | |
b091f402 AM |
13887 | as_bad_where (fixp->fx_file, fixp->fx_line, |
13888 | _("can not do %d byte relocation"), | |
13889 | fixp->fx_size); | |
93382f6d AM |
13890 | code = BFD_RELOC_32; |
13891 | break; | |
13892 | case 1: code = BFD_RELOC_8; break; | |
13893 | case 2: code = BFD_RELOC_16; break; | |
13894 | case 4: code = BFD_RELOC_32; break; | |
937149dd | 13895 | #ifdef BFD64 |
3e73aa7c | 13896 | case 8: code = BFD_RELOC_64; break; |
937149dd | 13897 | #endif |
93382f6d | 13898 | } |
252b5132 RH |
13899 | } |
13900 | break; | |
13901 | } | |
252b5132 | 13902 | |
d182319b JB |
13903 | if ((code == BFD_RELOC_32 |
13904 | || code == BFD_RELOC_32_PCREL | |
13905 | || code == BFD_RELOC_X86_64_32S) | |
252b5132 RH |
13906 | && GOT_symbol |
13907 | && fixp->fx_addsy == GOT_symbol) | |
3e73aa7c | 13908 | { |
4fa24527 | 13909 | if (!object_64bit) |
d6ab8113 JB |
13910 | code = BFD_RELOC_386_GOTPC; |
13911 | else | |
13912 | code = BFD_RELOC_X86_64_GOTPC32; | |
3e73aa7c | 13913 | } |
7b81dfbb AJ |
13914 | if ((code == BFD_RELOC_64 || code == BFD_RELOC_64_PCREL) |
13915 | && GOT_symbol | |
13916 | && fixp->fx_addsy == GOT_symbol) | |
13917 | { | |
13918 | code = BFD_RELOC_X86_64_GOTPC64; | |
13919 | } | |
252b5132 | 13920 | |
add39d23 TS |
13921 | rel = XNEW (arelent); |
13922 | rel->sym_ptr_ptr = XNEW (asymbol *); | |
49309057 | 13923 | *rel->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); |
252b5132 RH |
13924 | |
13925 | rel->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
c87db184 | 13926 | |
3e73aa7c JH |
13927 | if (!use_rela_relocations) |
13928 | { | |
13929 | /* HACK: Since i386 ELF uses Rel instead of Rela, encode the | |
13930 | vtable entry to be used in the relocation's section offset. */ | |
13931 | if (fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY) | |
13932 | rel->address = fixp->fx_offset; | |
fbeb56a4 DK |
13933 | #if defined (OBJ_COFF) && defined (TE_PE) |
13934 | else if (fixp->fx_addsy && S_IS_WEAK (fixp->fx_addsy)) | |
13935 | rel->addend = fixp->fx_addnumber - (S_GET_VALUE (fixp->fx_addsy) * 2); | |
13936 | else | |
13937 | #endif | |
c6682705 | 13938 | rel->addend = 0; |
3e73aa7c JH |
13939 | } |
13940 | /* Use the rela in 64bit mode. */ | |
252b5132 | 13941 | else |
3e73aa7c | 13942 | { |
862be3fb L |
13943 | if (disallow_64bit_reloc) |
13944 | switch (code) | |
13945 | { | |
862be3fb L |
13946 | case BFD_RELOC_X86_64_DTPOFF64: |
13947 | case BFD_RELOC_X86_64_TPOFF64: | |
13948 | case BFD_RELOC_64_PCREL: | |
13949 | case BFD_RELOC_X86_64_GOTOFF64: | |
13950 | case BFD_RELOC_X86_64_GOT64: | |
13951 | case BFD_RELOC_X86_64_GOTPCREL64: | |
13952 | case BFD_RELOC_X86_64_GOTPC64: | |
13953 | case BFD_RELOC_X86_64_GOTPLT64: | |
13954 | case BFD_RELOC_X86_64_PLTOFF64: | |
13955 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
13956 | _("cannot represent relocation type %s in x32 mode"), | |
13957 | bfd_get_reloc_code_name (code)); | |
13958 | break; | |
13959 | default: | |
13960 | break; | |
13961 | } | |
13962 | ||
062cd5e7 AS |
13963 | if (!fixp->fx_pcrel) |
13964 | rel->addend = fixp->fx_offset; | |
13965 | else | |
13966 | switch (code) | |
13967 | { | |
13968 | case BFD_RELOC_X86_64_PLT32: | |
13969 | case BFD_RELOC_X86_64_GOT32: | |
13970 | case BFD_RELOC_X86_64_GOTPCREL: | |
56ceb5b5 L |
13971 | case BFD_RELOC_X86_64_GOTPCRELX: |
13972 | case BFD_RELOC_X86_64_REX_GOTPCRELX: | |
bffbf940 JJ |
13973 | case BFD_RELOC_X86_64_TLSGD: |
13974 | case BFD_RELOC_X86_64_TLSLD: | |
13975 | case BFD_RELOC_X86_64_GOTTPOFF: | |
67a4f2b7 AO |
13976 | case BFD_RELOC_X86_64_GOTPC32_TLSDESC: |
13977 | case BFD_RELOC_X86_64_TLSDESC_CALL: | |
062cd5e7 AS |
13978 | rel->addend = fixp->fx_offset - fixp->fx_size; |
13979 | break; | |
13980 | default: | |
13981 | rel->addend = (section->vma | |
13982 | - fixp->fx_size | |
13983 | + fixp->fx_addnumber | |
13984 | + md_pcrel_from (fixp)); | |
13985 | break; | |
13986 | } | |
3e73aa7c JH |
13987 | } |
13988 | ||
252b5132 RH |
13989 | rel->howto = bfd_reloc_type_lookup (stdoutput, code); |
13990 | if (rel->howto == NULL) | |
13991 | { | |
13992 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
d0b47220 | 13993 | _("cannot represent relocation type %s"), |
252b5132 RH |
13994 | bfd_get_reloc_code_name (code)); |
13995 | /* Set howto to a garbage value so that we can keep going. */ | |
13996 | rel->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_32); | |
9c2799c2 | 13997 | gas_assert (rel->howto != NULL); |
252b5132 RH |
13998 | } |
13999 | ||
14000 | return rel; | |
14001 | } | |
14002 | ||
ee86248c | 14003 | #include "tc-i386-intel.c" |
54cfded0 | 14004 | |
a60de03c JB |
14005 | void |
14006 | tc_x86_parse_to_dw2regnum (expressionS *exp) | |
54cfded0 | 14007 | { |
a60de03c JB |
14008 | int saved_naked_reg; |
14009 | char saved_register_dot; | |
54cfded0 | 14010 | |
a60de03c JB |
14011 | saved_naked_reg = allow_naked_reg; |
14012 | allow_naked_reg = 1; | |
14013 | saved_register_dot = register_chars['.']; | |
14014 | register_chars['.'] = '.'; | |
14015 | allow_pseudo_reg = 1; | |
14016 | expression_and_evaluate (exp); | |
14017 | allow_pseudo_reg = 0; | |
14018 | register_chars['.'] = saved_register_dot; | |
14019 | allow_naked_reg = saved_naked_reg; | |
14020 | ||
e96d56a1 | 14021 | if (exp->X_op == O_register && exp->X_add_number >= 0) |
54cfded0 | 14022 | { |
a60de03c JB |
14023 | if ((addressT) exp->X_add_number < i386_regtab_size) |
14024 | { | |
14025 | exp->X_op = O_constant; | |
14026 | exp->X_add_number = i386_regtab[exp->X_add_number] | |
14027 | .dw2_regnum[flag_code >> 1]; | |
14028 | } | |
14029 | else | |
14030 | exp->X_op = O_illegal; | |
54cfded0 | 14031 | } |
54cfded0 AM |
14032 | } |
14033 | ||
14034 | void | |
14035 | tc_x86_frame_initial_instructions (void) | |
14036 | { | |
a60de03c JB |
14037 | static unsigned int sp_regno[2]; |
14038 | ||
14039 | if (!sp_regno[flag_code >> 1]) | |
14040 | { | |
14041 | char *saved_input = input_line_pointer; | |
14042 | char sp[][4] = {"esp", "rsp"}; | |
14043 | expressionS exp; | |
a4447b93 | 14044 | |
a60de03c JB |
14045 | input_line_pointer = sp[flag_code >> 1]; |
14046 | tc_x86_parse_to_dw2regnum (&exp); | |
9c2799c2 | 14047 | gas_assert (exp.X_op == O_constant); |
a60de03c JB |
14048 | sp_regno[flag_code >> 1] = exp.X_add_number; |
14049 | input_line_pointer = saved_input; | |
14050 | } | |
a4447b93 | 14051 | |
61ff971f L |
14052 | cfi_add_CFA_def_cfa (sp_regno[flag_code >> 1], -x86_cie_data_alignment); |
14053 | cfi_add_CFA_offset (x86_dwarf2_return_column, x86_cie_data_alignment); | |
54cfded0 | 14054 | } |
d2b2c203 | 14055 | |
d7921315 L |
14056 | int |
14057 | x86_dwarf2_addr_size (void) | |
14058 | { | |
14059 | #if defined (OBJ_MAYBE_ELF) || defined (OBJ_ELF) | |
14060 | if (x86_elf_abi == X86_64_X32_ABI) | |
14061 | return 4; | |
14062 | #endif | |
14063 | return bfd_arch_bits_per_address (stdoutput) / 8; | |
14064 | } | |
14065 | ||
d2b2c203 DJ |
14066 | int |
14067 | i386_elf_section_type (const char *str, size_t len) | |
14068 | { | |
14069 | if (flag_code == CODE_64BIT | |
14070 | && len == sizeof ("unwind") - 1 | |
14071 | && strncmp (str, "unwind", 6) == 0) | |
14072 | return SHT_X86_64_UNWIND; | |
14073 | ||
14074 | return -1; | |
14075 | } | |
bb41ade5 | 14076 | |
ad5fec3b EB |
14077 | #ifdef TE_SOLARIS |
14078 | void | |
14079 | i386_solaris_fix_up_eh_frame (segT sec) | |
14080 | { | |
14081 | if (flag_code == CODE_64BIT) | |
14082 | elf_section_type (sec) = SHT_X86_64_UNWIND; | |
14083 | } | |
14084 | #endif | |
14085 | ||
bb41ade5 AM |
14086 | #ifdef TE_PE |
14087 | void | |
14088 | tc_pe_dwarf2_emit_offset (symbolS *symbol, unsigned int size) | |
14089 | { | |
91d6fa6a | 14090 | expressionS exp; |
bb41ade5 | 14091 | |
91d6fa6a NC |
14092 | exp.X_op = O_secrel; |
14093 | exp.X_add_symbol = symbol; | |
14094 | exp.X_add_number = 0; | |
14095 | emit_expr (&exp, size); | |
bb41ade5 AM |
14096 | } |
14097 | #endif | |
3b22753a L |
14098 | |
14099 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
14100 | /* For ELF on x86-64, add support for SHF_X86_64_LARGE. */ | |
14101 | ||
01e1a5bc | 14102 | bfd_vma |
6d4af3c2 | 14103 | x86_64_section_letter (int letter, const char **ptr_msg) |
3b22753a L |
14104 | { |
14105 | if (flag_code == CODE_64BIT) | |
14106 | { | |
14107 | if (letter == 'l') | |
14108 | return SHF_X86_64_LARGE; | |
14109 | ||
8f3bae45 | 14110 | *ptr_msg = _("bad .section directive: want a,l,w,x,M,S,G,T in string"); |
64e74474 | 14111 | } |
3b22753a | 14112 | else |
8f3bae45 | 14113 | *ptr_msg = _("bad .section directive: want a,w,x,M,S,G,T in string"); |
3b22753a L |
14114 | return -1; |
14115 | } | |
14116 | ||
01e1a5bc | 14117 | bfd_vma |
3b22753a L |
14118 | x86_64_section_word (char *str, size_t len) |
14119 | { | |
8620418b | 14120 | if (len == 5 && flag_code == CODE_64BIT && CONST_STRNEQ (str, "large")) |
3b22753a L |
14121 | return SHF_X86_64_LARGE; |
14122 | ||
14123 | return -1; | |
14124 | } | |
14125 | ||
14126 | static void | |
14127 | handle_large_common (int small ATTRIBUTE_UNUSED) | |
14128 | { | |
14129 | if (flag_code != CODE_64BIT) | |
14130 | { | |
14131 | s_comm_internal (0, elf_common_parse); | |
14132 | as_warn (_(".largecomm supported only in 64bit mode, producing .comm")); | |
14133 | } | |
14134 | else | |
14135 | { | |
14136 | static segT lbss_section; | |
14137 | asection *saved_com_section_ptr = elf_com_section_ptr; | |
14138 | asection *saved_bss_section = bss_section; | |
14139 | ||
14140 | if (lbss_section == NULL) | |
14141 | { | |
14142 | flagword applicable; | |
14143 | segT seg = now_seg; | |
14144 | subsegT subseg = now_subseg; | |
14145 | ||
14146 | /* The .lbss section is for local .largecomm symbols. */ | |
14147 | lbss_section = subseg_new (".lbss", 0); | |
14148 | applicable = bfd_applicable_section_flags (stdoutput); | |
fd361982 | 14149 | bfd_set_section_flags (lbss_section, applicable & SEC_ALLOC); |
3b22753a L |
14150 | seg_info (lbss_section)->bss = 1; |
14151 | ||
14152 | subseg_set (seg, subseg); | |
14153 | } | |
14154 | ||
14155 | elf_com_section_ptr = &_bfd_elf_large_com_section; | |
14156 | bss_section = lbss_section; | |
14157 | ||
14158 | s_comm_internal (0, elf_common_parse); | |
14159 | ||
14160 | elf_com_section_ptr = saved_com_section_ptr; | |
14161 | bss_section = saved_bss_section; | |
14162 | } | |
14163 | } | |
14164 | #endif /* OBJ_ELF || OBJ_MAYBE_ELF */ |