Commit | Line | Data |
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252b5132 | 1 | /* tc-ppc.c -- Assemble for the PowerPC or POWER (RS/6000) |
2571583a | 2 | Copyright (C) 1994-2017 Free Software Foundation, Inc. |
252b5132 RH |
3 | Written by Ian Lance Taylor, Cygnus Support. |
4 | ||
5 | This file is part of GAS, the GNU Assembler. | |
6 | ||
7 | GAS is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
ec2655a6 | 9 | the Free Software Foundation; either version 3, or (at your option) |
252b5132 RH |
10 | any later version. |
11 | ||
12 | GAS is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GAS; see the file COPYING. If not, write to the Free | |
4b4da160 NC |
19 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
20 | 02110-1301, USA. */ | |
252b5132 | 21 | |
252b5132 | 22 | #include "as.h" |
3882b010 | 23 | #include "safe-ctype.h" |
252b5132 | 24 | #include "subsegs.h" |
75e21f08 | 25 | #include "dw2gencfi.h" |
252b5132 RH |
26 | #include "opcode/ppc.h" |
27 | ||
28 | #ifdef OBJ_ELF | |
29 | #include "elf/ppc.h" | |
ee67d69a | 30 | #include "elf/ppc64.h" |
5d6f4f16 | 31 | #include "dwarf2dbg.h" |
252b5132 RH |
32 | #endif |
33 | ||
34 | #ifdef TE_PE | |
35 | #include "coff/pe.h" | |
36 | #endif | |
37 | ||
85645aed TG |
38 | #ifdef OBJ_XCOFF |
39 | #include "coff/xcoff.h" | |
40 | #include "libxcoff.h" | |
41 | #endif | |
42 | ||
252b5132 RH |
43 | /* This is the assembler for the PowerPC or POWER (RS/6000) chips. */ |
44 | ||
45 | /* Tell the main code what the endianness is. */ | |
46 | extern int target_big_endian; | |
47 | ||
48 | /* Whether or not, we've set target_big_endian. */ | |
49 | static int set_target_endian = 0; | |
50 | ||
51 | /* Whether to use user friendly register names. */ | |
52 | #ifndef TARGET_REG_NAMES_P | |
53 | #ifdef TE_PE | |
b34976b6 | 54 | #define TARGET_REG_NAMES_P TRUE |
252b5132 | 55 | #else |
b34976b6 | 56 | #define TARGET_REG_NAMES_P FALSE |
252b5132 RH |
57 | #endif |
58 | #endif | |
59 | ||
0baf16f2 AM |
60 | /* Macros for calculating LO, HI, HA, HIGHER, HIGHERA, HIGHEST, |
61 | HIGHESTA. */ | |
62 | ||
63 | /* #lo(value) denotes the least significant 16 bits of the indicated. */ | |
64 | #define PPC_LO(v) ((v) & 0xffff) | |
65 | ||
66 | /* #hi(value) denotes bits 16 through 31 of the indicated value. */ | |
67 | #define PPC_HI(v) (((v) >> 16) & 0xffff) | |
68 | ||
69 | /* #ha(value) denotes the high adjusted value: bits 16 through 31 of | |
70 | the indicated value, compensating for #lo() being treated as a | |
71 | signed number. */ | |
15c1449b | 72 | #define PPC_HA(v) PPC_HI ((v) + 0x8000) |
0baf16f2 AM |
73 | |
74 | /* #higher(value) denotes bits 32 through 47 of the indicated value. */ | |
2a98c3a6 | 75 | #define PPC_HIGHER(v) (((v) >> 16 >> 16) & 0xffff) |
0baf16f2 AM |
76 | |
77 | /* #highera(value) denotes bits 32 through 47 of the indicated value, | |
78 | compensating for #lo() being treated as a signed number. */ | |
15c1449b | 79 | #define PPC_HIGHERA(v) PPC_HIGHER ((v) + 0x8000) |
0baf16f2 AM |
80 | |
81 | /* #highest(value) denotes bits 48 through 63 of the indicated value. */ | |
2a98c3a6 | 82 | #define PPC_HIGHEST(v) (((v) >> 24 >> 24) & 0xffff) |
0baf16f2 AM |
83 | |
84 | /* #highesta(value) denotes bits 48 through 63 of the indicated value, | |
15c1449b AM |
85 | compensating for #lo being treated as a signed number. */ |
86 | #define PPC_HIGHESTA(v) PPC_HIGHEST ((v) + 0x8000) | |
0baf16f2 | 87 | |
f9c6b907 AM |
88 | #define SEX16(val) (((val) ^ 0x8000) - 0x8000) |
89 | ||
90 | /* For the time being on ppc64, don't report overflow on @h and @ha | |
91 | applied to constants. */ | |
92 | #define REPORT_OVERFLOW_HI 0 | |
0baf16f2 | 93 | |
b34976b6 | 94 | static bfd_boolean reg_names_p = TARGET_REG_NAMES_P; |
252b5132 | 95 | |
98027b10 AM |
96 | static void ppc_macro (char *, const struct powerpc_macro *); |
97 | static void ppc_byte (int); | |
0baf16f2 AM |
98 | |
99 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) | |
98027b10 AM |
100 | static void ppc_tc (int); |
101 | static void ppc_machine (int); | |
0baf16f2 | 102 | #endif |
252b5132 RH |
103 | |
104 | #ifdef OBJ_XCOFF | |
98027b10 AM |
105 | static void ppc_comm (int); |
106 | static void ppc_bb (int); | |
107 | static void ppc_bc (int); | |
108 | static void ppc_bf (int); | |
109 | static void ppc_biei (int); | |
110 | static void ppc_bs (int); | |
111 | static void ppc_eb (int); | |
112 | static void ppc_ec (int); | |
113 | static void ppc_ef (int); | |
114 | static void ppc_es (int); | |
115 | static void ppc_csect (int); | |
85645aed | 116 | static void ppc_dwsect (int); |
98027b10 AM |
117 | static void ppc_change_csect (symbolS *, offsetT); |
118 | static void ppc_function (int); | |
119 | static void ppc_extern (int); | |
120 | static void ppc_lglobl (int); | |
c865e45b | 121 | static void ppc_ref (int); |
98027b10 AM |
122 | static void ppc_section (int); |
123 | static void ppc_named_section (int); | |
124 | static void ppc_stabx (int); | |
125 | static void ppc_rename (int); | |
126 | static void ppc_toc (int); | |
127 | static void ppc_xcoff_cons (int); | |
128 | static void ppc_vbyte (int); | |
252b5132 RH |
129 | #endif |
130 | ||
131 | #ifdef OBJ_ELF | |
98027b10 AM |
132 | static void ppc_elf_rdata (int); |
133 | static void ppc_elf_lcomm (int); | |
6911b7dc | 134 | static void ppc_elf_localentry (int); |
ee67d69a | 135 | static void ppc_elf_abiversion (int); |
005d79fd | 136 | static void ppc_elf_gnu_attribute (int); |
252b5132 RH |
137 | #endif |
138 | ||
139 | #ifdef TE_PE | |
98027b10 AM |
140 | static void ppc_previous (int); |
141 | static void ppc_pdata (int); | |
142 | static void ppc_ydata (int); | |
143 | static void ppc_reldata (int); | |
144 | static void ppc_rdata (int); | |
145 | static void ppc_ualong (int); | |
146 | static void ppc_znop (int); | |
147 | static void ppc_pe_comm (int); | |
148 | static void ppc_pe_section (int); | |
149 | static void ppc_pe_function (int); | |
150 | static void ppc_pe_tocd (int); | |
252b5132 RH |
151 | #endif |
152 | \f | |
153 | /* Generic assembler global variables which must be defined by all | |
154 | targets. */ | |
155 | ||
156 | #ifdef OBJ_ELF | |
157 | /* This string holds the chars that always start a comment. If the | |
158 | pre-processor is disabled, these aren't very useful. The macro | |
159 | tc_comment_chars points to this. We use this, rather than the | |
160 | usual comment_chars, so that we can switch for Solaris conventions. */ | |
161 | static const char ppc_solaris_comment_chars[] = "#!"; | |
162 | static const char ppc_eabi_comment_chars[] = "#"; | |
163 | ||
164 | #ifdef TARGET_SOLARIS_COMMENT | |
165 | const char *ppc_comment_chars = ppc_solaris_comment_chars; | |
166 | #else | |
167 | const char *ppc_comment_chars = ppc_eabi_comment_chars; | |
168 | #endif | |
169 | #else | |
170 | const char comment_chars[] = "#"; | |
171 | #endif | |
172 | ||
173 | /* Characters which start a comment at the beginning of a line. */ | |
174 | const char line_comment_chars[] = "#"; | |
175 | ||
176 | /* Characters which may be used to separate multiple commands on a | |
177 | single line. */ | |
178 | const char line_separator_chars[] = ";"; | |
179 | ||
180 | /* Characters which are used to indicate an exponent in a floating | |
181 | point number. */ | |
182 | const char EXP_CHARS[] = "eE"; | |
183 | ||
184 | /* Characters which mean that a number is a floating point constant, | |
185 | as in 0d1.0. */ | |
186 | const char FLT_CHARS[] = "dD"; | |
5ce8663f | 187 | |
5e02f92e | 188 | /* Anything that can start an operand needs to be mentioned here, |
ac805826 | 189 | to stop the input scrubber eating whitespace. */ |
5e02f92e | 190 | const char ppc_symbol_chars[] = "%["; |
75e21f08 JJ |
191 | |
192 | /* The dwarf2 data alignment, adjusted for 32 or 64 bit. */ | |
193 | int ppc_cie_data_alignment; | |
783de163 | 194 | |
8fbf7334 JL |
195 | /* The dwarf2 minimum instruction length. */ |
196 | int ppc_dwarf2_line_min_insn_length; | |
197 | ||
cef4f754 AM |
198 | /* More than this number of nops in an alignment op gets a branch |
199 | instead. */ | |
200 | unsigned long nop_limit = 4; | |
201 | ||
783de163 AM |
202 | /* The type of processor we are assembling for. This is one or more |
203 | of the PPC_OPCODE flags defined in opcode/ppc.h. */ | |
fa452fa6 | 204 | ppc_cpu_t ppc_cpu = 0; |
776fc418 | 205 | ppc_cpu_t sticky = 0; |
01efc3af | 206 | |
ee67d69a AM |
207 | /* Value for ELF e_flags EF_PPC64_ABI. */ |
208 | unsigned int ppc_abiversion = 0; | |
209 | ||
05f7541e | 210 | #ifdef OBJ_ELF |
01efc3af | 211 | /* Flags set on encountering toc relocs. */ |
4f2a7b51 | 212 | static enum { |
01efc3af AM |
213 | has_large_toc_reloc = 1, |
214 | has_small_toc_reloc = 2 | |
215 | } toc_reloc_types; | |
05f7541e | 216 | #endif |
bf7279d5 AM |
217 | |
218 | /* Warn on emitting data to code sections. */ | |
219 | int warn_476; | |
220 | unsigned long last_insn; | |
221 | segT last_seg; | |
222 | subsegT last_subseg; | |
252b5132 RH |
223 | \f |
224 | /* The target specific pseudo-ops which we support. */ | |
225 | ||
226 | const pseudo_typeS md_pseudo_table[] = | |
227 | { | |
228 | /* Pseudo-ops which must be overridden. */ | |
229 | { "byte", ppc_byte, 0 }, | |
230 | ||
231 | #ifdef OBJ_XCOFF | |
232 | /* Pseudo-ops specific to the RS/6000 XCOFF format. Some of these | |
233 | legitimately belong in the obj-*.c file. However, XCOFF is based | |
234 | on COFF, and is only implemented for the RS/6000. We just use | |
235 | obj-coff.c, and add what we need here. */ | |
236 | { "comm", ppc_comm, 0 }, | |
237 | { "lcomm", ppc_comm, 1 }, | |
238 | { "bb", ppc_bb, 0 }, | |
239 | { "bc", ppc_bc, 0 }, | |
240 | { "bf", ppc_bf, 0 }, | |
241 | { "bi", ppc_biei, 0 }, | |
242 | { "bs", ppc_bs, 0 }, | |
243 | { "csect", ppc_csect, 0 }, | |
85645aed | 244 | { "dwsect", ppc_dwsect, 0 }, |
252b5132 RH |
245 | { "data", ppc_section, 'd' }, |
246 | { "eb", ppc_eb, 0 }, | |
247 | { "ec", ppc_ec, 0 }, | |
248 | { "ef", ppc_ef, 0 }, | |
249 | { "ei", ppc_biei, 1 }, | |
250 | { "es", ppc_es, 0 }, | |
251 | { "extern", ppc_extern, 0 }, | |
252 | { "function", ppc_function, 0 }, | |
253 | { "lglobl", ppc_lglobl, 0 }, | |
c865e45b | 254 | { "ref", ppc_ref, 0 }, |
252b5132 RH |
255 | { "rename", ppc_rename, 0 }, |
256 | { "section", ppc_named_section, 0 }, | |
257 | { "stabx", ppc_stabx, 0 }, | |
258 | { "text", ppc_section, 't' }, | |
259 | { "toc", ppc_toc, 0 }, | |
260 | { "long", ppc_xcoff_cons, 2 }, | |
7f6d05e8 | 261 | { "llong", ppc_xcoff_cons, 3 }, |
252b5132 RH |
262 | { "word", ppc_xcoff_cons, 1 }, |
263 | { "short", ppc_xcoff_cons, 1 }, | |
264 | { "vbyte", ppc_vbyte, 0 }, | |
265 | #endif | |
266 | ||
267 | #ifdef OBJ_ELF | |
62ebcb5c | 268 | { "llong", cons, 8 }, |
252b5132 RH |
269 | { "rdata", ppc_elf_rdata, 0 }, |
270 | { "rodata", ppc_elf_rdata, 0 }, | |
271 | { "lcomm", ppc_elf_lcomm, 0 }, | |
6911b7dc | 272 | { "localentry", ppc_elf_localentry, 0 }, |
ee67d69a | 273 | { "abiversion", ppc_elf_abiversion, 0 }, |
005d79fd | 274 | { "gnu_attribute", ppc_elf_gnu_attribute, 0}, |
252b5132 RH |
275 | #endif |
276 | ||
277 | #ifdef TE_PE | |
99a814a1 | 278 | /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */ |
252b5132 RH |
279 | { "previous", ppc_previous, 0 }, |
280 | { "pdata", ppc_pdata, 0 }, | |
281 | { "ydata", ppc_ydata, 0 }, | |
282 | { "reldata", ppc_reldata, 0 }, | |
283 | { "rdata", ppc_rdata, 0 }, | |
284 | { "ualong", ppc_ualong, 0 }, | |
285 | { "znop", ppc_znop, 0 }, | |
286 | { "comm", ppc_pe_comm, 0 }, | |
287 | { "lcomm", ppc_pe_comm, 1 }, | |
288 | { "section", ppc_pe_section, 0 }, | |
289 | { "function", ppc_pe_function,0 }, | |
290 | { "tocd", ppc_pe_tocd, 0 }, | |
291 | #endif | |
292 | ||
0baf16f2 | 293 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
252b5132 | 294 | { "tc", ppc_tc, 0 }, |
0baf16f2 AM |
295 | { "machine", ppc_machine, 0 }, |
296 | #endif | |
252b5132 RH |
297 | |
298 | { NULL, NULL, 0 } | |
299 | }; | |
300 | ||
301 | \f | |
99a814a1 AM |
302 | /* Predefined register names if -mregnames (or default for Windows NT). |
303 | In general, there are lots of them, in an attempt to be compatible | |
304 | with a number of other Windows NT assemblers. */ | |
252b5132 RH |
305 | |
306 | /* Structure to hold information about predefined registers. */ | |
307 | struct pd_reg | |
308 | { | |
e0471c16 | 309 | const char *name; |
7e0de605 AM |
310 | unsigned short value; |
311 | unsigned short flags; | |
252b5132 RH |
312 | }; |
313 | ||
314 | /* List of registers that are pre-defined: | |
315 | ||
316 | Each general register has predefined names of the form: | |
317 | 1. r<reg_num> which has the value <reg_num>. | |
318 | 2. r.<reg_num> which has the value <reg_num>. | |
319 | ||
252b5132 RH |
320 | Each floating point register has predefined names of the form: |
321 | 1. f<reg_num> which has the value <reg_num>. | |
322 | 2. f.<reg_num> which has the value <reg_num>. | |
323 | ||
7a899fff C |
324 | Each vector unit register has predefined names of the form: |
325 | 1. v<reg_num> which has the value <reg_num>. | |
326 | 2. v.<reg_num> which has the value <reg_num>. | |
327 | ||
252b5132 RH |
328 | Each condition register has predefined names of the form: |
329 | 1. cr<reg_num> which has the value <reg_num>. | |
330 | 2. cr.<reg_num> which has the value <reg_num>. | |
331 | ||
332 | There are individual registers as well: | |
333 | sp or r.sp has the value 1 | |
334 | rtoc or r.toc has the value 2 | |
252b5132 RH |
335 | xer has the value 1 |
336 | lr has the value 8 | |
337 | ctr has the value 9 | |
252b5132 RH |
338 | dar has the value 19 |
339 | dsisr has the value 18 | |
340 | dec has the value 22 | |
341 | sdr1 has the value 25 | |
342 | srr0 has the value 26 | |
343 | srr1 has the value 27 | |
344 | ||
81d4177b | 345 | The table is sorted. Suitable for searching by a binary search. */ |
252b5132 RH |
346 | |
347 | static const struct pd_reg pre_defined_registers[] = | |
348 | { | |
7e0de605 AM |
349 | /* Condition Registers */ |
350 | { "cr.0", 0, PPC_OPERAND_CR_REG }, | |
351 | { "cr.1", 1, PPC_OPERAND_CR_REG }, | |
352 | { "cr.2", 2, PPC_OPERAND_CR_REG }, | |
353 | { "cr.3", 3, PPC_OPERAND_CR_REG }, | |
354 | { "cr.4", 4, PPC_OPERAND_CR_REG }, | |
355 | { "cr.5", 5, PPC_OPERAND_CR_REG }, | |
356 | { "cr.6", 6, PPC_OPERAND_CR_REG }, | |
357 | { "cr.7", 7, PPC_OPERAND_CR_REG }, | |
358 | ||
359 | { "cr0", 0, PPC_OPERAND_CR_REG }, | |
360 | { "cr1", 1, PPC_OPERAND_CR_REG }, | |
361 | { "cr2", 2, PPC_OPERAND_CR_REG }, | |
362 | { "cr3", 3, PPC_OPERAND_CR_REG }, | |
363 | { "cr4", 4, PPC_OPERAND_CR_REG }, | |
364 | { "cr5", 5, PPC_OPERAND_CR_REG }, | |
365 | { "cr6", 6, PPC_OPERAND_CR_REG }, | |
366 | { "cr7", 7, PPC_OPERAND_CR_REG }, | |
367 | ||
368 | { "ctr", 9, PPC_OPERAND_SPR }, | |
369 | { "dar", 19, PPC_OPERAND_SPR }, | |
370 | { "dec", 22, PPC_OPERAND_SPR }, | |
371 | { "dsisr", 18, PPC_OPERAND_SPR }, | |
372 | ||
373 | /* Floating point registers */ | |
374 | { "f.0", 0, PPC_OPERAND_FPR }, | |
375 | { "f.1", 1, PPC_OPERAND_FPR }, | |
376 | { "f.10", 10, PPC_OPERAND_FPR }, | |
377 | { "f.11", 11, PPC_OPERAND_FPR }, | |
378 | { "f.12", 12, PPC_OPERAND_FPR }, | |
379 | { "f.13", 13, PPC_OPERAND_FPR }, | |
380 | { "f.14", 14, PPC_OPERAND_FPR }, | |
381 | { "f.15", 15, PPC_OPERAND_FPR }, | |
382 | { "f.16", 16, PPC_OPERAND_FPR }, | |
383 | { "f.17", 17, PPC_OPERAND_FPR }, | |
384 | { "f.18", 18, PPC_OPERAND_FPR }, | |
385 | { "f.19", 19, PPC_OPERAND_FPR }, | |
386 | { "f.2", 2, PPC_OPERAND_FPR }, | |
387 | { "f.20", 20, PPC_OPERAND_FPR }, | |
388 | { "f.21", 21, PPC_OPERAND_FPR }, | |
389 | { "f.22", 22, PPC_OPERAND_FPR }, | |
390 | { "f.23", 23, PPC_OPERAND_FPR }, | |
391 | { "f.24", 24, PPC_OPERAND_FPR }, | |
392 | { "f.25", 25, PPC_OPERAND_FPR }, | |
393 | { "f.26", 26, PPC_OPERAND_FPR }, | |
394 | { "f.27", 27, PPC_OPERAND_FPR }, | |
395 | { "f.28", 28, PPC_OPERAND_FPR }, | |
396 | { "f.29", 29, PPC_OPERAND_FPR }, | |
397 | { "f.3", 3, PPC_OPERAND_FPR }, | |
398 | { "f.30", 30, PPC_OPERAND_FPR }, | |
399 | { "f.31", 31, PPC_OPERAND_FPR }, | |
400 | { "f.32", 32, PPC_OPERAND_VSR }, | |
401 | { "f.33", 33, PPC_OPERAND_VSR }, | |
402 | { "f.34", 34, PPC_OPERAND_VSR }, | |
403 | { "f.35", 35, PPC_OPERAND_VSR }, | |
404 | { "f.36", 36, PPC_OPERAND_VSR }, | |
405 | { "f.37", 37, PPC_OPERAND_VSR }, | |
406 | { "f.38", 38, PPC_OPERAND_VSR }, | |
407 | { "f.39", 39, PPC_OPERAND_VSR }, | |
408 | { "f.4", 4, PPC_OPERAND_FPR }, | |
409 | { "f.40", 40, PPC_OPERAND_VSR }, | |
410 | { "f.41", 41, PPC_OPERAND_VSR }, | |
411 | { "f.42", 42, PPC_OPERAND_VSR }, | |
412 | { "f.43", 43, PPC_OPERAND_VSR }, | |
413 | { "f.44", 44, PPC_OPERAND_VSR }, | |
414 | { "f.45", 45, PPC_OPERAND_VSR }, | |
415 | { "f.46", 46, PPC_OPERAND_VSR }, | |
416 | { "f.47", 47, PPC_OPERAND_VSR }, | |
417 | { "f.48", 48, PPC_OPERAND_VSR }, | |
418 | { "f.49", 49, PPC_OPERAND_VSR }, | |
419 | { "f.5", 5, PPC_OPERAND_FPR }, | |
420 | { "f.50", 50, PPC_OPERAND_VSR }, | |
421 | { "f.51", 51, PPC_OPERAND_VSR }, | |
422 | { "f.52", 52, PPC_OPERAND_VSR }, | |
423 | { "f.53", 53, PPC_OPERAND_VSR }, | |
424 | { "f.54", 54, PPC_OPERAND_VSR }, | |
425 | { "f.55", 55, PPC_OPERAND_VSR }, | |
426 | { "f.56", 56, PPC_OPERAND_VSR }, | |
427 | { "f.57", 57, PPC_OPERAND_VSR }, | |
428 | { "f.58", 58, PPC_OPERAND_VSR }, | |
429 | { "f.59", 59, PPC_OPERAND_VSR }, | |
430 | { "f.6", 6, PPC_OPERAND_FPR }, | |
431 | { "f.60", 60, PPC_OPERAND_VSR }, | |
432 | { "f.61", 61, PPC_OPERAND_VSR }, | |
433 | { "f.62", 62, PPC_OPERAND_VSR }, | |
434 | { "f.63", 63, PPC_OPERAND_VSR }, | |
435 | { "f.7", 7, PPC_OPERAND_FPR }, | |
436 | { "f.8", 8, PPC_OPERAND_FPR }, | |
437 | { "f.9", 9, PPC_OPERAND_FPR }, | |
438 | ||
439 | { "f0", 0, PPC_OPERAND_FPR }, | |
440 | { "f1", 1, PPC_OPERAND_FPR }, | |
441 | { "f10", 10, PPC_OPERAND_FPR }, | |
442 | { "f11", 11, PPC_OPERAND_FPR }, | |
443 | { "f12", 12, PPC_OPERAND_FPR }, | |
444 | { "f13", 13, PPC_OPERAND_FPR }, | |
445 | { "f14", 14, PPC_OPERAND_FPR }, | |
446 | { "f15", 15, PPC_OPERAND_FPR }, | |
447 | { "f16", 16, PPC_OPERAND_FPR }, | |
448 | { "f17", 17, PPC_OPERAND_FPR }, | |
449 | { "f18", 18, PPC_OPERAND_FPR }, | |
450 | { "f19", 19, PPC_OPERAND_FPR }, | |
451 | { "f2", 2, PPC_OPERAND_FPR }, | |
452 | { "f20", 20, PPC_OPERAND_FPR }, | |
453 | { "f21", 21, PPC_OPERAND_FPR }, | |
454 | { "f22", 22, PPC_OPERAND_FPR }, | |
455 | { "f23", 23, PPC_OPERAND_FPR }, | |
456 | { "f24", 24, PPC_OPERAND_FPR }, | |
457 | { "f25", 25, PPC_OPERAND_FPR }, | |
458 | { "f26", 26, PPC_OPERAND_FPR }, | |
459 | { "f27", 27, PPC_OPERAND_FPR }, | |
460 | { "f28", 28, PPC_OPERAND_FPR }, | |
461 | { "f29", 29, PPC_OPERAND_FPR }, | |
462 | { "f3", 3, PPC_OPERAND_FPR }, | |
463 | { "f30", 30, PPC_OPERAND_FPR }, | |
464 | { "f31", 31, PPC_OPERAND_FPR }, | |
465 | { "f32", 32, PPC_OPERAND_VSR }, | |
466 | { "f33", 33, PPC_OPERAND_VSR }, | |
467 | { "f34", 34, PPC_OPERAND_VSR }, | |
468 | { "f35", 35, PPC_OPERAND_VSR }, | |
469 | { "f36", 36, PPC_OPERAND_VSR }, | |
470 | { "f37", 37, PPC_OPERAND_VSR }, | |
471 | { "f38", 38, PPC_OPERAND_VSR }, | |
472 | { "f39", 39, PPC_OPERAND_VSR }, | |
473 | { "f4", 4, PPC_OPERAND_FPR }, | |
474 | { "f40", 40, PPC_OPERAND_VSR }, | |
475 | { "f41", 41, PPC_OPERAND_VSR }, | |
476 | { "f42", 42, PPC_OPERAND_VSR }, | |
477 | { "f43", 43, PPC_OPERAND_VSR }, | |
478 | { "f44", 44, PPC_OPERAND_VSR }, | |
479 | { "f45", 45, PPC_OPERAND_VSR }, | |
480 | { "f46", 46, PPC_OPERAND_VSR }, | |
481 | { "f47", 47, PPC_OPERAND_VSR }, | |
482 | { "f48", 48, PPC_OPERAND_VSR }, | |
483 | { "f49", 49, PPC_OPERAND_VSR }, | |
484 | { "f5", 5, PPC_OPERAND_FPR }, | |
485 | { "f50", 50, PPC_OPERAND_VSR }, | |
486 | { "f51", 51, PPC_OPERAND_VSR }, | |
487 | { "f52", 52, PPC_OPERAND_VSR }, | |
488 | { "f53", 53, PPC_OPERAND_VSR }, | |
489 | { "f54", 54, PPC_OPERAND_VSR }, | |
490 | { "f55", 55, PPC_OPERAND_VSR }, | |
491 | { "f56", 56, PPC_OPERAND_VSR }, | |
492 | { "f57", 57, PPC_OPERAND_VSR }, | |
493 | { "f58", 58, PPC_OPERAND_VSR }, | |
494 | { "f59", 59, PPC_OPERAND_VSR }, | |
495 | { "f6", 6, PPC_OPERAND_FPR }, | |
496 | { "f60", 60, PPC_OPERAND_VSR }, | |
497 | { "f61", 61, PPC_OPERAND_VSR }, | |
498 | { "f62", 62, PPC_OPERAND_VSR }, | |
499 | { "f63", 63, PPC_OPERAND_VSR }, | |
500 | { "f7", 7, PPC_OPERAND_FPR }, | |
501 | { "f8", 8, PPC_OPERAND_FPR }, | |
502 | { "f9", 9, PPC_OPERAND_FPR }, | |
252b5132 | 503 | |
c3d65c1c | 504 | /* Quantization registers used with pair single instructions. */ |
7e0de605 AM |
505 | { "gqr.0", 0, PPC_OPERAND_GQR }, |
506 | { "gqr.1", 1, PPC_OPERAND_GQR }, | |
507 | { "gqr.2", 2, PPC_OPERAND_GQR }, | |
508 | { "gqr.3", 3, PPC_OPERAND_GQR }, | |
509 | { "gqr.4", 4, PPC_OPERAND_GQR }, | |
510 | { "gqr.5", 5, PPC_OPERAND_GQR }, | |
511 | { "gqr.6", 6, PPC_OPERAND_GQR }, | |
512 | { "gqr.7", 7, PPC_OPERAND_GQR }, | |
513 | { "gqr0", 0, PPC_OPERAND_GQR }, | |
514 | { "gqr1", 1, PPC_OPERAND_GQR }, | |
515 | { "gqr2", 2, PPC_OPERAND_GQR }, | |
516 | { "gqr3", 3, PPC_OPERAND_GQR }, | |
517 | { "gqr4", 4, PPC_OPERAND_GQR }, | |
518 | { "gqr5", 5, PPC_OPERAND_GQR }, | |
519 | { "gqr6", 6, PPC_OPERAND_GQR }, | |
520 | { "gqr7", 7, PPC_OPERAND_GQR }, | |
521 | ||
522 | { "lr", 8, PPC_OPERAND_SPR }, | |
523 | ||
524 | /* General Purpose Registers */ | |
525 | { "r.0", 0, PPC_OPERAND_GPR }, | |
526 | { "r.1", 1, PPC_OPERAND_GPR }, | |
527 | { "r.10", 10, PPC_OPERAND_GPR }, | |
528 | { "r.11", 11, PPC_OPERAND_GPR }, | |
529 | { "r.12", 12, PPC_OPERAND_GPR }, | |
530 | { "r.13", 13, PPC_OPERAND_GPR }, | |
531 | { "r.14", 14, PPC_OPERAND_GPR }, | |
532 | { "r.15", 15, PPC_OPERAND_GPR }, | |
533 | { "r.16", 16, PPC_OPERAND_GPR }, | |
534 | { "r.17", 17, PPC_OPERAND_GPR }, | |
535 | { "r.18", 18, PPC_OPERAND_GPR }, | |
536 | { "r.19", 19, PPC_OPERAND_GPR }, | |
537 | { "r.2", 2, PPC_OPERAND_GPR }, | |
538 | { "r.20", 20, PPC_OPERAND_GPR }, | |
539 | { "r.21", 21, PPC_OPERAND_GPR }, | |
540 | { "r.22", 22, PPC_OPERAND_GPR }, | |
541 | { "r.23", 23, PPC_OPERAND_GPR }, | |
542 | { "r.24", 24, PPC_OPERAND_GPR }, | |
543 | { "r.25", 25, PPC_OPERAND_GPR }, | |
544 | { "r.26", 26, PPC_OPERAND_GPR }, | |
545 | { "r.27", 27, PPC_OPERAND_GPR }, | |
546 | { "r.28", 28, PPC_OPERAND_GPR }, | |
547 | { "r.29", 29, PPC_OPERAND_GPR }, | |
548 | { "r.3", 3, PPC_OPERAND_GPR }, | |
549 | { "r.30", 30, PPC_OPERAND_GPR }, | |
550 | { "r.31", 31, PPC_OPERAND_GPR }, | |
551 | { "r.4", 4, PPC_OPERAND_GPR }, | |
552 | { "r.5", 5, PPC_OPERAND_GPR }, | |
553 | { "r.6", 6, PPC_OPERAND_GPR }, | |
554 | { "r.7", 7, PPC_OPERAND_GPR }, | |
555 | { "r.8", 8, PPC_OPERAND_GPR }, | |
556 | { "r.9", 9, PPC_OPERAND_GPR }, | |
557 | ||
558 | { "r.sp", 1, PPC_OPERAND_GPR }, | |
559 | ||
560 | { "r.toc", 2, PPC_OPERAND_GPR }, | |
561 | ||
562 | { "r0", 0, PPC_OPERAND_GPR }, | |
563 | { "r1", 1, PPC_OPERAND_GPR }, | |
564 | { "r10", 10, PPC_OPERAND_GPR }, | |
565 | { "r11", 11, PPC_OPERAND_GPR }, | |
566 | { "r12", 12, PPC_OPERAND_GPR }, | |
567 | { "r13", 13, PPC_OPERAND_GPR }, | |
568 | { "r14", 14, PPC_OPERAND_GPR }, | |
569 | { "r15", 15, PPC_OPERAND_GPR }, | |
570 | { "r16", 16, PPC_OPERAND_GPR }, | |
571 | { "r17", 17, PPC_OPERAND_GPR }, | |
572 | { "r18", 18, PPC_OPERAND_GPR }, | |
573 | { "r19", 19, PPC_OPERAND_GPR }, | |
574 | { "r2", 2, PPC_OPERAND_GPR }, | |
575 | { "r20", 20, PPC_OPERAND_GPR }, | |
576 | { "r21", 21, PPC_OPERAND_GPR }, | |
577 | { "r22", 22, PPC_OPERAND_GPR }, | |
578 | { "r23", 23, PPC_OPERAND_GPR }, | |
579 | { "r24", 24, PPC_OPERAND_GPR }, | |
580 | { "r25", 25, PPC_OPERAND_GPR }, | |
581 | { "r26", 26, PPC_OPERAND_GPR }, | |
582 | { "r27", 27, PPC_OPERAND_GPR }, | |
583 | { "r28", 28, PPC_OPERAND_GPR }, | |
584 | { "r29", 29, PPC_OPERAND_GPR }, | |
585 | { "r3", 3, PPC_OPERAND_GPR }, | |
586 | { "r30", 30, PPC_OPERAND_GPR }, | |
587 | { "r31", 31, PPC_OPERAND_GPR }, | |
588 | { "r4", 4, PPC_OPERAND_GPR }, | |
589 | { "r5", 5, PPC_OPERAND_GPR }, | |
590 | { "r6", 6, PPC_OPERAND_GPR }, | |
591 | { "r7", 7, PPC_OPERAND_GPR }, | |
592 | { "r8", 8, PPC_OPERAND_GPR }, | |
593 | { "r9", 9, PPC_OPERAND_GPR }, | |
594 | ||
595 | { "rtoc", 2, PPC_OPERAND_GPR }, | |
596 | ||
597 | { "sdr1", 25, PPC_OPERAND_SPR }, | |
598 | ||
599 | { "sp", 1, PPC_OPERAND_GPR }, | |
600 | ||
601 | { "srr0", 26, PPC_OPERAND_SPR }, | |
602 | { "srr1", 27, PPC_OPERAND_SPR }, | |
603 | ||
604 | /* Vector (Altivec/VMX) registers */ | |
605 | { "v.0", 0, PPC_OPERAND_VR }, | |
606 | { "v.1", 1, PPC_OPERAND_VR }, | |
607 | { "v.10", 10, PPC_OPERAND_VR }, | |
608 | { "v.11", 11, PPC_OPERAND_VR }, | |
609 | { "v.12", 12, PPC_OPERAND_VR }, | |
610 | { "v.13", 13, PPC_OPERAND_VR }, | |
611 | { "v.14", 14, PPC_OPERAND_VR }, | |
612 | { "v.15", 15, PPC_OPERAND_VR }, | |
613 | { "v.16", 16, PPC_OPERAND_VR }, | |
614 | { "v.17", 17, PPC_OPERAND_VR }, | |
615 | { "v.18", 18, PPC_OPERAND_VR }, | |
616 | { "v.19", 19, PPC_OPERAND_VR }, | |
617 | { "v.2", 2, PPC_OPERAND_VR }, | |
618 | { "v.20", 20, PPC_OPERAND_VR }, | |
619 | { "v.21", 21, PPC_OPERAND_VR }, | |
620 | { "v.22", 22, PPC_OPERAND_VR }, | |
621 | { "v.23", 23, PPC_OPERAND_VR }, | |
622 | { "v.24", 24, PPC_OPERAND_VR }, | |
623 | { "v.25", 25, PPC_OPERAND_VR }, | |
624 | { "v.26", 26, PPC_OPERAND_VR }, | |
625 | { "v.27", 27, PPC_OPERAND_VR }, | |
626 | { "v.28", 28, PPC_OPERAND_VR }, | |
627 | { "v.29", 29, PPC_OPERAND_VR }, | |
628 | { "v.3", 3, PPC_OPERAND_VR }, | |
629 | { "v.30", 30, PPC_OPERAND_VR }, | |
630 | { "v.31", 31, PPC_OPERAND_VR }, | |
631 | { "v.4", 4, PPC_OPERAND_VR }, | |
632 | { "v.5", 5, PPC_OPERAND_VR }, | |
633 | { "v.6", 6, PPC_OPERAND_VR }, | |
634 | { "v.7", 7, PPC_OPERAND_VR }, | |
635 | { "v.8", 8, PPC_OPERAND_VR }, | |
636 | { "v.9", 9, PPC_OPERAND_VR }, | |
637 | ||
638 | { "v0", 0, PPC_OPERAND_VR }, | |
639 | { "v1", 1, PPC_OPERAND_VR }, | |
640 | { "v10", 10, PPC_OPERAND_VR }, | |
641 | { "v11", 11, PPC_OPERAND_VR }, | |
642 | { "v12", 12, PPC_OPERAND_VR }, | |
643 | { "v13", 13, PPC_OPERAND_VR }, | |
644 | { "v14", 14, PPC_OPERAND_VR }, | |
645 | { "v15", 15, PPC_OPERAND_VR }, | |
646 | { "v16", 16, PPC_OPERAND_VR }, | |
647 | { "v17", 17, PPC_OPERAND_VR }, | |
648 | { "v18", 18, PPC_OPERAND_VR }, | |
649 | { "v19", 19, PPC_OPERAND_VR }, | |
650 | { "v2", 2, PPC_OPERAND_VR }, | |
651 | { "v20", 20, PPC_OPERAND_VR }, | |
652 | { "v21", 21, PPC_OPERAND_VR }, | |
653 | { "v22", 22, PPC_OPERAND_VR }, | |
654 | { "v23", 23, PPC_OPERAND_VR }, | |
655 | { "v24", 24, PPC_OPERAND_VR }, | |
656 | { "v25", 25, PPC_OPERAND_VR }, | |
657 | { "v26", 26, PPC_OPERAND_VR }, | |
658 | { "v27", 27, PPC_OPERAND_VR }, | |
659 | { "v28", 28, PPC_OPERAND_VR }, | |
660 | { "v29", 29, PPC_OPERAND_VR }, | |
661 | { "v3", 3, PPC_OPERAND_VR }, | |
662 | { "v30", 30, PPC_OPERAND_VR }, | |
663 | { "v31", 31, PPC_OPERAND_VR }, | |
664 | { "v4", 4, PPC_OPERAND_VR }, | |
665 | { "v5", 5, PPC_OPERAND_VR }, | |
666 | { "v6", 6, PPC_OPERAND_VR }, | |
667 | { "v7", 7, PPC_OPERAND_VR }, | |
668 | { "v8", 8, PPC_OPERAND_VR }, | |
669 | { "v9", 9, PPC_OPERAND_VR }, | |
670 | ||
671 | /* Vector Scalar (VSX) registers (ISA 2.06). */ | |
672 | { "vs.0", 0, PPC_OPERAND_VSR }, | |
673 | { "vs.1", 1, PPC_OPERAND_VSR }, | |
674 | { "vs.10", 10, PPC_OPERAND_VSR }, | |
675 | { "vs.11", 11, PPC_OPERAND_VSR }, | |
676 | { "vs.12", 12, PPC_OPERAND_VSR }, | |
677 | { "vs.13", 13, PPC_OPERAND_VSR }, | |
678 | { "vs.14", 14, PPC_OPERAND_VSR }, | |
679 | { "vs.15", 15, PPC_OPERAND_VSR }, | |
680 | { "vs.16", 16, PPC_OPERAND_VSR }, | |
681 | { "vs.17", 17, PPC_OPERAND_VSR }, | |
682 | { "vs.18", 18, PPC_OPERAND_VSR }, | |
683 | { "vs.19", 19, PPC_OPERAND_VSR }, | |
684 | { "vs.2", 2, PPC_OPERAND_VSR }, | |
685 | { "vs.20", 20, PPC_OPERAND_VSR }, | |
686 | { "vs.21", 21, PPC_OPERAND_VSR }, | |
687 | { "vs.22", 22, PPC_OPERAND_VSR }, | |
688 | { "vs.23", 23, PPC_OPERAND_VSR }, | |
689 | { "vs.24", 24, PPC_OPERAND_VSR }, | |
690 | { "vs.25", 25, PPC_OPERAND_VSR }, | |
691 | { "vs.26", 26, PPC_OPERAND_VSR }, | |
692 | { "vs.27", 27, PPC_OPERAND_VSR }, | |
693 | { "vs.28", 28, PPC_OPERAND_VSR }, | |
694 | { "vs.29", 29, PPC_OPERAND_VSR }, | |
695 | { "vs.3", 3, PPC_OPERAND_VSR }, | |
696 | { "vs.30", 30, PPC_OPERAND_VSR }, | |
697 | { "vs.31", 31, PPC_OPERAND_VSR }, | |
698 | { "vs.32", 32, PPC_OPERAND_VSR }, | |
699 | { "vs.33", 33, PPC_OPERAND_VSR }, | |
700 | { "vs.34", 34, PPC_OPERAND_VSR }, | |
701 | { "vs.35", 35, PPC_OPERAND_VSR }, | |
702 | { "vs.36", 36, PPC_OPERAND_VSR }, | |
703 | { "vs.37", 37, PPC_OPERAND_VSR }, | |
704 | { "vs.38", 38, PPC_OPERAND_VSR }, | |
705 | { "vs.39", 39, PPC_OPERAND_VSR }, | |
706 | { "vs.4", 4, PPC_OPERAND_VSR }, | |
707 | { "vs.40", 40, PPC_OPERAND_VSR }, | |
708 | { "vs.41", 41, PPC_OPERAND_VSR }, | |
709 | { "vs.42", 42, PPC_OPERAND_VSR }, | |
710 | { "vs.43", 43, PPC_OPERAND_VSR }, | |
711 | { "vs.44", 44, PPC_OPERAND_VSR }, | |
712 | { "vs.45", 45, PPC_OPERAND_VSR }, | |
713 | { "vs.46", 46, PPC_OPERAND_VSR }, | |
714 | { "vs.47", 47, PPC_OPERAND_VSR }, | |
715 | { "vs.48", 48, PPC_OPERAND_VSR }, | |
716 | { "vs.49", 49, PPC_OPERAND_VSR }, | |
717 | { "vs.5", 5, PPC_OPERAND_VSR }, | |
718 | { "vs.50", 50, PPC_OPERAND_VSR }, | |
719 | { "vs.51", 51, PPC_OPERAND_VSR }, | |
720 | { "vs.52", 52, PPC_OPERAND_VSR }, | |
721 | { "vs.53", 53, PPC_OPERAND_VSR }, | |
722 | { "vs.54", 54, PPC_OPERAND_VSR }, | |
723 | { "vs.55", 55, PPC_OPERAND_VSR }, | |
724 | { "vs.56", 56, PPC_OPERAND_VSR }, | |
725 | { "vs.57", 57, PPC_OPERAND_VSR }, | |
726 | { "vs.58", 58, PPC_OPERAND_VSR }, | |
727 | { "vs.59", 59, PPC_OPERAND_VSR }, | |
728 | { "vs.6", 6, PPC_OPERAND_VSR }, | |
729 | { "vs.60", 60, PPC_OPERAND_VSR }, | |
730 | { "vs.61", 61, PPC_OPERAND_VSR }, | |
731 | { "vs.62", 62, PPC_OPERAND_VSR }, | |
732 | { "vs.63", 63, PPC_OPERAND_VSR }, | |
733 | { "vs.7", 7, PPC_OPERAND_VSR }, | |
734 | { "vs.8", 8, PPC_OPERAND_VSR }, | |
735 | { "vs.9", 9, PPC_OPERAND_VSR }, | |
736 | ||
737 | { "vs0", 0, PPC_OPERAND_VSR }, | |
738 | { "vs1", 1, PPC_OPERAND_VSR }, | |
739 | { "vs10", 10, PPC_OPERAND_VSR }, | |
740 | { "vs11", 11, PPC_OPERAND_VSR }, | |
741 | { "vs12", 12, PPC_OPERAND_VSR }, | |
742 | { "vs13", 13, PPC_OPERAND_VSR }, | |
743 | { "vs14", 14, PPC_OPERAND_VSR }, | |
744 | { "vs15", 15, PPC_OPERAND_VSR }, | |
745 | { "vs16", 16, PPC_OPERAND_VSR }, | |
746 | { "vs17", 17, PPC_OPERAND_VSR }, | |
747 | { "vs18", 18, PPC_OPERAND_VSR }, | |
748 | { "vs19", 19, PPC_OPERAND_VSR }, | |
749 | { "vs2", 2, PPC_OPERAND_VSR }, | |
750 | { "vs20", 20, PPC_OPERAND_VSR }, | |
751 | { "vs21", 21, PPC_OPERAND_VSR }, | |
752 | { "vs22", 22, PPC_OPERAND_VSR }, | |
753 | { "vs23", 23, PPC_OPERAND_VSR }, | |
754 | { "vs24", 24, PPC_OPERAND_VSR }, | |
755 | { "vs25", 25, PPC_OPERAND_VSR }, | |
756 | { "vs26", 26, PPC_OPERAND_VSR }, | |
757 | { "vs27", 27, PPC_OPERAND_VSR }, | |
758 | { "vs28", 28, PPC_OPERAND_VSR }, | |
759 | { "vs29", 29, PPC_OPERAND_VSR }, | |
760 | { "vs3", 3, PPC_OPERAND_VSR }, | |
761 | { "vs30", 30, PPC_OPERAND_VSR }, | |
762 | { "vs31", 31, PPC_OPERAND_VSR }, | |
763 | { "vs32", 32, PPC_OPERAND_VSR }, | |
764 | { "vs33", 33, PPC_OPERAND_VSR }, | |
765 | { "vs34", 34, PPC_OPERAND_VSR }, | |
766 | { "vs35", 35, PPC_OPERAND_VSR }, | |
767 | { "vs36", 36, PPC_OPERAND_VSR }, | |
768 | { "vs37", 37, PPC_OPERAND_VSR }, | |
769 | { "vs38", 38, PPC_OPERAND_VSR }, | |
770 | { "vs39", 39, PPC_OPERAND_VSR }, | |
771 | { "vs4", 4, PPC_OPERAND_VSR }, | |
772 | { "vs40", 40, PPC_OPERAND_VSR }, | |
773 | { "vs41", 41, PPC_OPERAND_VSR }, | |
774 | { "vs42", 42, PPC_OPERAND_VSR }, | |
775 | { "vs43", 43, PPC_OPERAND_VSR }, | |
776 | { "vs44", 44, PPC_OPERAND_VSR }, | |
777 | { "vs45", 45, PPC_OPERAND_VSR }, | |
778 | { "vs46", 46, PPC_OPERAND_VSR }, | |
779 | { "vs47", 47, PPC_OPERAND_VSR }, | |
780 | { "vs48", 48, PPC_OPERAND_VSR }, | |
781 | { "vs49", 49, PPC_OPERAND_VSR }, | |
782 | { "vs5", 5, PPC_OPERAND_VSR }, | |
783 | { "vs50", 50, PPC_OPERAND_VSR }, | |
784 | { "vs51", 51, PPC_OPERAND_VSR }, | |
785 | { "vs52", 52, PPC_OPERAND_VSR }, | |
786 | { "vs53", 53, PPC_OPERAND_VSR }, | |
787 | { "vs54", 54, PPC_OPERAND_VSR }, | |
788 | { "vs55", 55, PPC_OPERAND_VSR }, | |
789 | { "vs56", 56, PPC_OPERAND_VSR }, | |
790 | { "vs57", 57, PPC_OPERAND_VSR }, | |
791 | { "vs58", 58, PPC_OPERAND_VSR }, | |
792 | { "vs59", 59, PPC_OPERAND_VSR }, | |
793 | { "vs6", 6, PPC_OPERAND_VSR }, | |
794 | { "vs60", 60, PPC_OPERAND_VSR }, | |
795 | { "vs61", 61, PPC_OPERAND_VSR }, | |
796 | { "vs62", 62, PPC_OPERAND_VSR }, | |
797 | { "vs63", 63, PPC_OPERAND_VSR }, | |
798 | { "vs7", 7, PPC_OPERAND_VSR }, | |
799 | { "vs8", 8, PPC_OPERAND_VSR }, | |
800 | { "vs9", 9, PPC_OPERAND_VSR }, | |
801 | ||
802 | { "xer", 1, PPC_OPERAND_SPR } | |
252b5132 RH |
803 | }; |
804 | ||
bc805888 | 805 | #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg)) |
252b5132 RH |
806 | |
807 | /* Given NAME, find the register number associated with that name, return | |
808 | the integer value associated with the given name or -1 on failure. */ | |
809 | ||
7e0de605 | 810 | static const struct pd_reg * |
98027b10 | 811 | reg_name_search (const struct pd_reg *regs, int regcount, const char *name) |
252b5132 RH |
812 | { |
813 | int middle, low, high; | |
814 | int cmp; | |
815 | ||
816 | low = 0; | |
817 | high = regcount - 1; | |
818 | ||
819 | do | |
820 | { | |
821 | middle = (low + high) / 2; | |
822 | cmp = strcasecmp (name, regs[middle].name); | |
823 | if (cmp < 0) | |
824 | high = middle - 1; | |
825 | else if (cmp > 0) | |
826 | low = middle + 1; | |
827 | else | |
7e0de605 | 828 | return ®s[middle]; |
252b5132 RH |
829 | } |
830 | while (low <= high); | |
831 | ||
7e0de605 | 832 | return NULL; |
252b5132 RH |
833 | } |
834 | ||
835 | /* | |
99a814a1 | 836 | * Summary of register_name. |
252b5132 RH |
837 | * |
838 | * in: Input_line_pointer points to 1st char of operand. | |
839 | * | |
840 | * out: A expressionS. | |
841 | * The operand may have been a register: in this case, X_op == O_register, | |
842 | * X_add_number is set to the register number, and truth is returned. | |
843 | * Input_line_pointer->(next non-blank) char after operand, or is in its | |
844 | * original state. | |
845 | */ | |
846 | ||
b34976b6 | 847 | static bfd_boolean |
98027b10 | 848 | register_name (expressionS *expressionP) |
252b5132 | 849 | { |
7e0de605 | 850 | const struct pd_reg *reg; |
252b5132 RH |
851 | char *name; |
852 | char *start; | |
853 | char c; | |
854 | ||
99a814a1 | 855 | /* Find the spelling of the operand. */ |
252b5132 | 856 | start = name = input_line_pointer; |
3882b010 | 857 | if (name[0] == '%' && ISALPHA (name[1])) |
252b5132 RH |
858 | name = ++input_line_pointer; |
859 | ||
3882b010 | 860 | else if (!reg_names_p || !ISALPHA (name[0])) |
b34976b6 | 861 | return FALSE; |
252b5132 | 862 | |
d02603dc | 863 | c = get_symbol_name (&name); |
7e0de605 | 864 | reg = reg_name_search (pre_defined_registers, REG_NAME_CNT, name); |
252b5132 | 865 | |
468cced8 AM |
866 | /* Put back the delimiting char. */ |
867 | *input_line_pointer = c; | |
868 | ||
99a814a1 | 869 | /* Look to see if it's in the register table. */ |
7e0de605 | 870 | if (reg != NULL) |
252b5132 RH |
871 | { |
872 | expressionP->X_op = O_register; | |
7e0de605 AM |
873 | expressionP->X_add_number = reg->value; |
874 | expressionP->X_md = reg->flags; | |
81d4177b | 875 | |
99a814a1 | 876 | /* Make the rest nice. */ |
252b5132 RH |
877 | expressionP->X_add_symbol = NULL; |
878 | expressionP->X_op_symbol = NULL; | |
b34976b6 | 879 | return TRUE; |
252b5132 | 880 | } |
468cced8 AM |
881 | |
882 | /* Reset the line as if we had not done anything. */ | |
883 | input_line_pointer = start; | |
b34976b6 | 884 | return FALSE; |
252b5132 RH |
885 | } |
886 | \f | |
887 | /* This function is called for each symbol seen in an expression. It | |
888 | handles the special parsing which PowerPC assemblers are supposed | |
889 | to use for condition codes. */ | |
890 | ||
891 | /* Whether to do the special parsing. */ | |
b34976b6 | 892 | static bfd_boolean cr_operand; |
252b5132 RH |
893 | |
894 | /* Names to recognize in a condition code. This table is sorted. */ | |
895 | static const struct pd_reg cr_names[] = | |
896 | { | |
7e0de605 AM |
897 | { "cr0", 0, PPC_OPERAND_CR_REG }, |
898 | { "cr1", 1, PPC_OPERAND_CR_REG }, | |
899 | { "cr2", 2, PPC_OPERAND_CR_REG }, | |
900 | { "cr3", 3, PPC_OPERAND_CR_REG }, | |
901 | { "cr4", 4, PPC_OPERAND_CR_REG }, | |
902 | { "cr5", 5, PPC_OPERAND_CR_REG }, | |
903 | { "cr6", 6, PPC_OPERAND_CR_REG }, | |
904 | { "cr7", 7, PPC_OPERAND_CR_REG }, | |
905 | { "eq", 2, PPC_OPERAND_CR_BIT }, | |
906 | { "gt", 1, PPC_OPERAND_CR_BIT }, | |
907 | { "lt", 0, PPC_OPERAND_CR_BIT }, | |
908 | { "so", 3, PPC_OPERAND_CR_BIT }, | |
909 | { "un", 3, PPC_OPERAND_CR_BIT } | |
252b5132 RH |
910 | }; |
911 | ||
912 | /* Parsing function. This returns non-zero if it recognized an | |
913 | expression. */ | |
914 | ||
915 | int | |
91d6fa6a | 916 | ppc_parse_name (const char *name, expressionS *exp) |
252b5132 | 917 | { |
7e0de605 | 918 | const struct pd_reg *reg; |
252b5132 RH |
919 | |
920 | if (! cr_operand) | |
921 | return 0; | |
922 | ||
13abbae3 AM |
923 | if (*name == '%') |
924 | ++name; | |
7e0de605 | 925 | reg = reg_name_search (cr_names, sizeof cr_names / sizeof cr_names[0], |
252b5132 | 926 | name); |
7e0de605 | 927 | if (reg == NULL) |
252b5132 RH |
928 | return 0; |
929 | ||
7e0de605 AM |
930 | exp->X_op = O_register; |
931 | exp->X_add_number = reg->value; | |
932 | exp->X_md = reg->flags; | |
252b5132 RH |
933 | |
934 | return 1; | |
935 | } | |
7e0de605 AM |
936 | |
937 | /* Propagate X_md and check register expressions. This is to support | |
938 | condition codes like 4*cr5+eq. */ | |
939 | ||
940 | int | |
941 | ppc_optimize_expr (expressionS *left, operatorT op, expressionS *right) | |
942 | { | |
943 | /* Accept 4*cr<n> and cr<n>*4. */ | |
944 | if (op == O_multiply | |
945 | && ((right->X_op == O_register | |
946 | && right->X_md == PPC_OPERAND_CR_REG | |
947 | && left->X_op == O_constant | |
948 | && left->X_add_number == 4) | |
949 | || (left->X_op == O_register | |
950 | && left->X_md == PPC_OPERAND_CR_REG | |
951 | && right->X_op == O_constant | |
952 | && right->X_add_number == 4))) | |
953 | { | |
954 | left->X_op = O_register; | |
955 | left->X_md = PPC_OPERAND_CR_REG | PPC_OPERAND_CR_BIT; | |
956 | left->X_add_number *= right->X_add_number; | |
957 | return 1; | |
958 | } | |
959 | ||
960 | /* Accept the above plus <cr bit>, and <cr bit> plus the above. */ | |
961 | if (right->X_op == O_register | |
962 | && left->X_op == O_register | |
963 | && op == O_add | |
964 | && ((right->X_md == PPC_OPERAND_CR_BIT | |
965 | && left->X_md == (PPC_OPERAND_CR_REG | PPC_OPERAND_CR_BIT)) | |
966 | || (right->X_md == (PPC_OPERAND_CR_REG | PPC_OPERAND_CR_BIT) | |
967 | && left->X_md == PPC_OPERAND_CR_BIT))) | |
968 | { | |
969 | left->X_md = PPC_OPERAND_CR_BIT; | |
970 | right->X_op = O_constant; | |
971 | return 0; | |
972 | } | |
973 | ||
974 | /* Accept reg +/- constant. */ | |
975 | if (left->X_op == O_register | |
976 | && !((op == O_add || op == O_subtract) && right->X_op == O_constant)) | |
ece5dcc1 | 977 | as_warn (_("invalid register expression")); |
7e0de605 AM |
978 | |
979 | /* Accept constant + reg. */ | |
980 | if (right->X_op == O_register) | |
981 | { | |
982 | if (op == O_add && left->X_op == O_constant) | |
983 | left->X_md = right->X_md; | |
984 | else | |
ece5dcc1 | 985 | as_warn (_("invalid register expression")); |
7e0de605 AM |
986 | } |
987 | ||
988 | return 0; | |
989 | } | |
252b5132 RH |
990 | \f |
991 | /* Local variables. */ | |
992 | ||
2b3c4602 AM |
993 | /* Whether to target xcoff64/elf64. */ |
994 | static unsigned int ppc_obj64 = BFD_DEFAULT_TARGET_SIZE == 64; | |
7f6d05e8 | 995 | |
252b5132 RH |
996 | /* Opcode hash table. */ |
997 | static struct hash_control *ppc_hash; | |
998 | ||
999 | /* Macro hash table. */ | |
1000 | static struct hash_control *ppc_macro_hash; | |
1001 | ||
1002 | #ifdef OBJ_ELF | |
99a814a1 | 1003 | /* What type of shared library support to use. */ |
5d6f4f16 | 1004 | static enum { SHLIB_NONE, SHLIB_PIC, SHLIB_MRELOCATABLE } shlib = SHLIB_NONE; |
252b5132 | 1005 | |
99a814a1 | 1006 | /* Flags to set in the elf header. */ |
252b5132 RH |
1007 | static flagword ppc_flags = 0; |
1008 | ||
1009 | /* Whether this is Solaris or not. */ | |
1010 | #ifdef TARGET_SOLARIS_COMMENT | |
b34976b6 | 1011 | #define SOLARIS_P TRUE |
252b5132 | 1012 | #else |
b34976b6 | 1013 | #define SOLARIS_P FALSE |
252b5132 RH |
1014 | #endif |
1015 | ||
b34976b6 | 1016 | static bfd_boolean msolaris = SOLARIS_P; |
252b5132 RH |
1017 | #endif |
1018 | ||
1019 | #ifdef OBJ_XCOFF | |
1020 | ||
1021 | /* The RS/6000 assembler uses the .csect pseudo-op to generate code | |
1022 | using a bunch of different sections. These assembler sections, | |
1023 | however, are all encompassed within the .text or .data sections of | |
1024 | the final output file. We handle this by using different | |
1025 | subsegments within these main segments. */ | |
1026 | ||
1027 | /* Next subsegment to allocate within the .text segment. */ | |
1028 | static subsegT ppc_text_subsegment = 2; | |
1029 | ||
1030 | /* Linked list of csects in the text section. */ | |
1031 | static symbolS *ppc_text_csects; | |
1032 | ||
1033 | /* Next subsegment to allocate within the .data segment. */ | |
1034 | static subsegT ppc_data_subsegment = 2; | |
1035 | ||
1036 | /* Linked list of csects in the data section. */ | |
1037 | static symbolS *ppc_data_csects; | |
1038 | ||
1039 | /* The current csect. */ | |
1040 | static symbolS *ppc_current_csect; | |
1041 | ||
1042 | /* The RS/6000 assembler uses a TOC which holds addresses of functions | |
1043 | and variables. Symbols are put in the TOC with the .tc pseudo-op. | |
1044 | A special relocation is used when accessing TOC entries. We handle | |
1045 | the TOC as a subsegment within the .data segment. We set it up if | |
1046 | we see a .toc pseudo-op, and save the csect symbol here. */ | |
1047 | static symbolS *ppc_toc_csect; | |
1048 | ||
1049 | /* The first frag in the TOC subsegment. */ | |
1050 | static fragS *ppc_toc_frag; | |
1051 | ||
1052 | /* The first frag in the first subsegment after the TOC in the .data | |
1053 | segment. NULL if there are no subsegments after the TOC. */ | |
1054 | static fragS *ppc_after_toc_frag; | |
1055 | ||
1056 | /* The current static block. */ | |
1057 | static symbolS *ppc_current_block; | |
1058 | ||
1059 | /* The COFF debugging section; set by md_begin. This is not the | |
1060 | .debug section, but is instead the secret BFD section which will | |
1061 | cause BFD to set the section number of a symbol to N_DEBUG. */ | |
1062 | static asection *ppc_coff_debug_section; | |
1063 | ||
85645aed TG |
1064 | /* Structure to set the length field of the dwarf sections. */ |
1065 | struct dw_subsection { | |
1066 | /* Subsections are simply linked. */ | |
1067 | struct dw_subsection *link; | |
1068 | ||
1069 | /* The subsection number. */ | |
1070 | subsegT subseg; | |
1071 | ||
1072 | /* Expression to compute the length of the section. */ | |
1073 | expressionS end_exp; | |
1074 | }; | |
1075 | ||
1076 | static struct dw_section { | |
1077 | /* Corresponding section. */ | |
1078 | segT sect; | |
1079 | ||
1080 | /* Simply linked list of subsections with a label. */ | |
1081 | struct dw_subsection *list_subseg; | |
1082 | ||
1083 | /* The anonymous subsection. */ | |
1084 | struct dw_subsection *anon_subseg; | |
1085 | } dw_sections[XCOFF_DWSECT_NBR_NAMES]; | |
252b5132 RH |
1086 | #endif /* OBJ_XCOFF */ |
1087 | ||
1088 | #ifdef TE_PE | |
1089 | ||
1090 | /* Various sections that we need for PE coff support. */ | |
1091 | static segT ydata_section; | |
1092 | static segT pdata_section; | |
1093 | static segT reldata_section; | |
1094 | static segT rdata_section; | |
1095 | static segT tocdata_section; | |
1096 | ||
81d4177b | 1097 | /* The current section and the previous section. See ppc_previous. */ |
252b5132 RH |
1098 | static segT ppc_previous_section; |
1099 | static segT ppc_current_section; | |
1100 | ||
1101 | #endif /* TE_PE */ | |
1102 | ||
1103 | #ifdef OBJ_ELF | |
1104 | symbolS *GOT_symbol; /* Pre-defined "_GLOBAL_OFFSET_TABLE" */ | |
6a0c61b7 EZ |
1105 | unsigned long *ppc_apuinfo_list; |
1106 | unsigned int ppc_apuinfo_num; | |
1107 | unsigned int ppc_apuinfo_num_alloc; | |
252b5132 RH |
1108 | #endif /* OBJ_ELF */ |
1109 | \f | |
1110 | #ifdef OBJ_ELF | |
15c1449b | 1111 | const char *const md_shortopts = "b:l:usm:K:VQ:"; |
252b5132 | 1112 | #else |
15c1449b | 1113 | const char *const md_shortopts = "um:"; |
252b5132 | 1114 | #endif |
cef4f754 | 1115 | #define OPTION_NOPS (OPTION_MD_BASE + 0) |
15c1449b | 1116 | const struct option md_longopts[] = { |
cef4f754 | 1117 | {"nops", required_argument, NULL, OPTION_NOPS}, |
bf7279d5 AM |
1118 | {"ppc476-workaround", no_argument, &warn_476, 1}, |
1119 | {"no-ppc476-workaround", no_argument, &warn_476, 0}, | |
252b5132 RH |
1120 | {NULL, no_argument, NULL, 0} |
1121 | }; | |
15c1449b | 1122 | const size_t md_longopts_size = sizeof (md_longopts); |
252b5132 RH |
1123 | |
1124 | int | |
17b9d67d | 1125 | md_parse_option (int c, const char *arg) |
252b5132 | 1126 | { |
69fe9ce5 AM |
1127 | ppc_cpu_t new_cpu; |
1128 | ||
252b5132 RH |
1129 | switch (c) |
1130 | { | |
1131 | case 'u': | |
1132 | /* -u means that any undefined symbols should be treated as | |
1133 | external, which is the default for gas anyhow. */ | |
1134 | break; | |
1135 | ||
1136 | #ifdef OBJ_ELF | |
1137 | case 'l': | |
1138 | /* Solaris as takes -le (presumably for little endian). For completeness | |
99a814a1 | 1139 | sake, recognize -be also. */ |
252b5132 RH |
1140 | if (strcmp (arg, "e") == 0) |
1141 | { | |
1142 | target_big_endian = 0; | |
1143 | set_target_endian = 1; | |
b9c361e0 | 1144 | if (ppc_cpu & PPC_OPCODE_VLE) |
d6ed37ed | 1145 | as_bad (_("the use of -mvle requires big endian.")); |
252b5132 RH |
1146 | } |
1147 | else | |
1148 | return 0; | |
1149 | ||
1150 | break; | |
1151 | ||
1152 | case 'b': | |
1153 | if (strcmp (arg, "e") == 0) | |
1154 | { | |
1155 | target_big_endian = 1; | |
1156 | set_target_endian = 1; | |
1157 | } | |
1158 | else | |
1159 | return 0; | |
1160 | ||
1161 | break; | |
1162 | ||
1163 | case 'K': | |
99a814a1 | 1164 | /* Recognize -K PIC. */ |
252b5132 RH |
1165 | if (strcmp (arg, "PIC") == 0 || strcmp (arg, "pic") == 0) |
1166 | { | |
1167 | shlib = SHLIB_PIC; | |
1168 | ppc_flags |= EF_PPC_RELOCATABLE_LIB; | |
1169 | } | |
1170 | else | |
1171 | return 0; | |
1172 | ||
1173 | break; | |
1174 | #endif | |
1175 | ||
7f6d05e8 CP |
1176 | /* a64 and a32 determine whether to use XCOFF64 or XCOFF32. */ |
1177 | case 'a': | |
1178 | if (strcmp (arg, "64") == 0) | |
2a98c3a6 AM |
1179 | { |
1180 | #ifdef BFD64 | |
1181 | ppc_obj64 = 1; | |
d6ed37ed AM |
1182 | if (ppc_cpu & PPC_OPCODE_VLE) |
1183 | as_bad (_("the use of -mvle requires -a32.")); | |
2a98c3a6 AM |
1184 | #else |
1185 | as_fatal (_("%s unsupported"), "-a64"); | |
1186 | #endif | |
1187 | } | |
7f6d05e8 | 1188 | else if (strcmp (arg, "32") == 0) |
2b3c4602 | 1189 | ppc_obj64 = 0; |
7f6d05e8 CP |
1190 | else |
1191 | return 0; | |
1192 | break; | |
81d4177b | 1193 | |
252b5132 | 1194 | case 'm': |
776fc418 | 1195 | new_cpu = ppc_parse_cpu (ppc_cpu, &sticky, arg); |
52be03fd AM |
1196 | /* "raw" is only valid for the disassembler. */ |
1197 | if (new_cpu != 0 && (new_cpu & PPC_OPCODE_RAW) == 0) | |
b9c361e0 JL |
1198 | { |
1199 | ppc_cpu = new_cpu; | |
d6ed37ed AM |
1200 | if (strcmp (arg, "vle") == 0) |
1201 | { | |
1202 | if (set_target_endian && target_big_endian == 0) | |
1203 | as_bad (_("the use of -mvle requires big endian.")); | |
1204 | if (ppc_obj64) | |
1205 | as_bad (_("the use of -mvle requires -a32.")); | |
1206 | } | |
b9c361e0 | 1207 | } |
252b5132 RH |
1208 | |
1209 | else if (strcmp (arg, "regnames") == 0) | |
b34976b6 | 1210 | reg_names_p = TRUE; |
252b5132 RH |
1211 | |
1212 | else if (strcmp (arg, "no-regnames") == 0) | |
b34976b6 | 1213 | reg_names_p = FALSE; |
252b5132 RH |
1214 | |
1215 | #ifdef OBJ_ELF | |
99a814a1 AM |
1216 | /* -mrelocatable/-mrelocatable-lib -- warn about initializations |
1217 | that require relocation. */ | |
252b5132 RH |
1218 | else if (strcmp (arg, "relocatable") == 0) |
1219 | { | |
5d6f4f16 | 1220 | shlib = SHLIB_MRELOCATABLE; |
252b5132 RH |
1221 | ppc_flags |= EF_PPC_RELOCATABLE; |
1222 | } | |
1223 | ||
1224 | else if (strcmp (arg, "relocatable-lib") == 0) | |
1225 | { | |
5d6f4f16 | 1226 | shlib = SHLIB_MRELOCATABLE; |
252b5132 RH |
1227 | ppc_flags |= EF_PPC_RELOCATABLE_LIB; |
1228 | } | |
1229 | ||
99a814a1 | 1230 | /* -memb, set embedded bit. */ |
252b5132 RH |
1231 | else if (strcmp (arg, "emb") == 0) |
1232 | ppc_flags |= EF_PPC_EMB; | |
1233 | ||
cc643b88 | 1234 | /* -mlittle/-mbig set the endianness. */ |
99a814a1 AM |
1235 | else if (strcmp (arg, "little") == 0 |
1236 | || strcmp (arg, "little-endian") == 0) | |
252b5132 RH |
1237 | { |
1238 | target_big_endian = 0; | |
1239 | set_target_endian = 1; | |
b9c361e0 | 1240 | if (ppc_cpu & PPC_OPCODE_VLE) |
d6ed37ed | 1241 | as_bad (_("the use of -mvle requires big endian.")); |
252b5132 RH |
1242 | } |
1243 | ||
1244 | else if (strcmp (arg, "big") == 0 || strcmp (arg, "big-endian") == 0) | |
1245 | { | |
1246 | target_big_endian = 1; | |
1247 | set_target_endian = 1; | |
1248 | } | |
1249 | ||
1250 | else if (strcmp (arg, "solaris") == 0) | |
1251 | { | |
b34976b6 | 1252 | msolaris = TRUE; |
252b5132 RH |
1253 | ppc_comment_chars = ppc_solaris_comment_chars; |
1254 | } | |
1255 | ||
1256 | else if (strcmp (arg, "no-solaris") == 0) | |
1257 | { | |
b34976b6 | 1258 | msolaris = FALSE; |
252b5132 RH |
1259 | ppc_comment_chars = ppc_eabi_comment_chars; |
1260 | } | |
74081948 AF |
1261 | else if (strcmp (arg, "spe2") == 0) |
1262 | { | |
1263 | ppc_cpu |= PPC_OPCODE_SPE2; | |
1264 | } | |
252b5132 RH |
1265 | #endif |
1266 | else | |
1267 | { | |
1268 | as_bad (_("invalid switch -m%s"), arg); | |
1269 | return 0; | |
1270 | } | |
1271 | break; | |
1272 | ||
1273 | #ifdef OBJ_ELF | |
1274 | /* -V: SVR4 argument to print version ID. */ | |
1275 | case 'V': | |
1276 | print_version_id (); | |
1277 | break; | |
1278 | ||
1279 | /* -Qy, -Qn: SVR4 arguments controlling whether a .comment section | |
1280 | should be emitted or not. FIXME: Not implemented. */ | |
1281 | case 'Q': | |
1282 | break; | |
1283 | ||
1284 | /* Solaris takes -s to specify that .stabs go in a .stabs section, | |
1285 | rather than .stabs.excl, which is ignored by the linker. | |
1286 | FIXME: Not implemented. */ | |
1287 | case 's': | |
1288 | if (arg) | |
1289 | return 0; | |
1290 | ||
1291 | break; | |
1292 | #endif | |
1293 | ||
cef4f754 AM |
1294 | case OPTION_NOPS: |
1295 | { | |
1296 | char *end; | |
1297 | nop_limit = strtoul (optarg, &end, 0); | |
1298 | if (*end) | |
1299 | as_bad (_("--nops needs a numeric argument")); | |
1300 | } | |
1301 | break; | |
85645aed | 1302 | |
bf7279d5 AM |
1303 | case 0: |
1304 | break; | |
1305 | ||
252b5132 RH |
1306 | default: |
1307 | return 0; | |
1308 | } | |
1309 | ||
1310 | return 1; | |
1311 | } | |
1312 | ||
1313 | void | |
98027b10 | 1314 | md_show_usage (FILE *stream) |
252b5132 | 1315 | { |
bc805888 | 1316 | fprintf (stream, _("\ |
252b5132 | 1317 | PowerPC options:\n\ |
ce3d2015 AM |
1318 | -a32 generate ELF32/XCOFF32\n\ |
1319 | -a64 generate ELF64/XCOFF64\n\ | |
1320 | -u ignored\n\ | |
1321 | -mpwrx, -mpwr2 generate code for POWER/2 (RIOS2)\n\ | |
1322 | -mpwr generate code for POWER (RIOS1)\n\ | |
1323 | -m601 generate code for PowerPC 601\n\ | |
418c1742 | 1324 | -mppc, -mppc32, -m603, -m604\n\ |
ce3d2015 AM |
1325 | generate code for PowerPC 603/604\n\ |
1326 | -m403 generate code for PowerPC 403\n\ | |
1327 | -m405 generate code for PowerPC 405\n\ | |
1328 | -m440 generate code for PowerPC 440\n\ | |
1329 | -m464 generate code for PowerPC 464\n\ | |
1330 | -m476 generate code for PowerPC 476\n\ | |
f5c120c5 | 1331 | -m7400, -m7410, -m7450, -m7455\n\ |
ce3d2015 | 1332 | generate code for PowerPC 7400/7410/7450/7455\n\ |
ef5a96d5 AM |
1333 | -m750cl generate code for PowerPC 750cl\n\ |
1334 | -m821, -m850, -m860 generate code for PowerPC 821/850/860\n")); | |
df12615d | 1335 | fprintf (stream, _("\ |
ce3d2015 AM |
1336 | -mppc64, -m620 generate code for PowerPC 620/625/630\n\ |
1337 | -mppc64bridge generate code for PowerPC 64, including bridge insns\n\ | |
1338 | -mbooke generate code for 32-bit PowerPC BookE\n\ | |
1339 | -ma2 generate code for A2 architecture\n\ | |
cdc51b07 RS |
1340 | -mpower4, -mpwr4 generate code for Power4 architecture\n\ |
1341 | -mpower5, -mpwr5, -mpwr5x\n\ | |
1342 | generate code for Power5 architecture\n\ | |
1343 | -mpower6, -mpwr6 generate code for Power6 architecture\n\ | |
1344 | -mpower7, -mpwr7 generate code for Power7 architecture\n\ | |
5817ffd1 | 1345 | -mpower8, -mpwr8 generate code for Power8 architecture\n\ |
a680de9a | 1346 | -mpower9, -mpwr9 generate code for Power9 architecture\n\ |
ce3d2015 | 1347 | -mcell generate code for Cell Broadband Engine architecture\n\ |
33eaf5de | 1348 | -mcom generate code for Power/PowerPC common instructions\n\ |
ce3d2015 | 1349 | -many generate code for any architecture (PWR/PWRX/PPC)\n")); |
6a0c61b7 | 1350 | fprintf (stream, _("\ |
ce3d2015 AM |
1351 | -maltivec generate code for AltiVec\n\ |
1352 | -mvsx generate code for Vector-Scalar (VSX) instructions\n\ | |
1353 | -me300 generate code for PowerPC e300 family\n\ | |
1354 | -me500, -me500x2 generate code for Motorola e500 core complex\n\ | |
1355 | -me500mc, generate code for Freescale e500mc core complex\n\ | |
1356 | -me500mc64, generate code for Freescale e500mc64 core complex\n\ | |
aea77599 AM |
1357 | -me5500, generate code for Freescale e5500 core complex\n\ |
1358 | -me6500, generate code for Freescale e6500 core complex\n\ | |
ce3d2015 | 1359 | -mspe generate code for Motorola SPE instructions\n\ |
74081948 | 1360 | -mspe2 generate code for Freescale SPE2 instructions\n\ |
b9c361e0 | 1361 | -mvle generate code for Freescale VLE instructions\n\ |
ce3d2015 AM |
1362 | -mtitan generate code for AppliedMicro Titan core complex\n\ |
1363 | -mregnames Allow symbolic names for registers\n\ | |
1364 | -mno-regnames Do not allow symbolic names for registers\n")); | |
252b5132 | 1365 | #ifdef OBJ_ELF |
bc805888 | 1366 | fprintf (stream, _("\ |
ce3d2015 AM |
1367 | -mrelocatable support for GCC's -mrelocatble option\n\ |
1368 | -mrelocatable-lib support for GCC's -mrelocatble-lib option\n\ | |
1369 | -memb set PPC_EMB bit in ELF flags\n\ | |
b8b738ac | 1370 | -mlittle, -mlittle-endian, -le\n\ |
ce3d2015 | 1371 | generate code for a little endian machine\n\ |
b8b738ac | 1372 | -mbig, -mbig-endian, -be\n\ |
ce3d2015 AM |
1373 | generate code for a big endian machine\n\ |
1374 | -msolaris generate code for Solaris\n\ | |
1375 | -mno-solaris do not generate code for Solaris\n\ | |
b8b738ac | 1376 | -K PIC set EF_PPC_RELOCATABLE_LIB in ELF flags\n\ |
ce3d2015 AM |
1377 | -V print assembler version number\n\ |
1378 | -Qy, -Qn ignored\n")); | |
252b5132 | 1379 | #endif |
cef4f754 | 1380 | fprintf (stream, _("\ |
bf7279d5 AM |
1381 | -nops=count when aligning, more than COUNT nops uses a branch\n\ |
1382 | -ppc476-workaround warn if emitting data to code sections\n")); | |
252b5132 RH |
1383 | } |
1384 | \f | |
1385 | /* Set ppc_cpu if it is not already set. */ | |
1386 | ||
1387 | static void | |
98027b10 | 1388 | ppc_set_cpu (void) |
252b5132 RH |
1389 | { |
1390 | const char *default_os = TARGET_OS; | |
1391 | const char *default_cpu = TARGET_CPU; | |
1392 | ||
7102e95e | 1393 | if ((ppc_cpu & ~(ppc_cpu_t) PPC_OPCODE_ANY) == 0) |
252b5132 | 1394 | { |
2a98c3a6 | 1395 | if (ppc_obj64) |
bdc70b4a | 1396 | ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_64; |
2a98c3a6 AM |
1397 | else if (strncmp (default_os, "aix", 3) == 0 |
1398 | && default_os[3] >= '4' && default_os[3] <= '9') | |
bdc70b4a | 1399 | ppc_cpu |= PPC_OPCODE_COMMON; |
252b5132 | 1400 | else if (strncmp (default_os, "aix3", 4) == 0) |
bdc70b4a | 1401 | ppc_cpu |= PPC_OPCODE_POWER; |
252b5132 | 1402 | else if (strcmp (default_cpu, "rs6000") == 0) |
bdc70b4a | 1403 | ppc_cpu |= PPC_OPCODE_POWER; |
0baf16f2 | 1404 | else if (strncmp (default_cpu, "powerpc", 7) == 0) |
bdc70b4a | 1405 | ppc_cpu |= PPC_OPCODE_PPC; |
252b5132 | 1406 | else |
d6ed37ed | 1407 | as_fatal (_("unknown default cpu = %s, os = %s"), |
99a814a1 | 1408 | default_cpu, default_os); |
252b5132 RH |
1409 | } |
1410 | } | |
1411 | ||
9232bbb0 AM |
1412 | /* Figure out the BFD architecture to use. This function and ppc_mach |
1413 | are called well before md_begin, when the output file is opened. */ | |
252b5132 RH |
1414 | |
1415 | enum bfd_architecture | |
98027b10 | 1416 | ppc_arch (void) |
252b5132 RH |
1417 | { |
1418 | const char *default_cpu = TARGET_CPU; | |
1419 | ppc_set_cpu (); | |
1420 | ||
1421 | if ((ppc_cpu & PPC_OPCODE_PPC) != 0) | |
1422 | return bfd_arch_powerpc; | |
b9c361e0 JL |
1423 | if ((ppc_cpu & PPC_OPCODE_VLE) != 0) |
1424 | return bfd_arch_powerpc; | |
1425 | if ((ppc_cpu & PPC_OPCODE_POWER) != 0) | |
252b5132 | 1426 | return bfd_arch_rs6000; |
b9c361e0 | 1427 | if ((ppc_cpu & (PPC_OPCODE_COMMON | PPC_OPCODE_ANY)) != 0) |
252b5132 RH |
1428 | { |
1429 | if (strcmp (default_cpu, "rs6000") == 0) | |
1430 | return bfd_arch_rs6000; | |
0baf16f2 | 1431 | else if (strncmp (default_cpu, "powerpc", 7) == 0) |
252b5132 RH |
1432 | return bfd_arch_powerpc; |
1433 | } | |
1434 | ||
d6ed37ed | 1435 | as_fatal (_("neither Power nor PowerPC opcodes were selected.")); |
252b5132 RH |
1436 | return bfd_arch_unknown; |
1437 | } | |
1438 | ||
7f6d05e8 | 1439 | unsigned long |
98027b10 | 1440 | ppc_mach (void) |
7f6d05e8 | 1441 | { |
2a98c3a6 AM |
1442 | if (ppc_obj64) |
1443 | return bfd_mach_ppc64; | |
1444 | else if (ppc_arch () == bfd_arch_rs6000) | |
1445 | return bfd_mach_rs6k; | |
ce3d2015 AM |
1446 | else if (ppc_cpu & PPC_OPCODE_TITAN) |
1447 | return bfd_mach_ppc_titan; | |
b9c361e0 JL |
1448 | else if (ppc_cpu & PPC_OPCODE_VLE) |
1449 | return bfd_mach_ppc_vle; | |
2a98c3a6 AM |
1450 | else |
1451 | return bfd_mach_ppc; | |
7f6d05e8 CP |
1452 | } |
1453 | ||
e0471c16 | 1454 | extern const char* |
98027b10 | 1455 | ppc_target_format (void) |
7f6d05e8 CP |
1456 | { |
1457 | #ifdef OBJ_COFF | |
1458 | #ifdef TE_PE | |
99a814a1 | 1459 | return target_big_endian ? "pe-powerpc" : "pe-powerpcle"; |
7f6d05e8 | 1460 | #elif TE_POWERMAC |
0baf16f2 | 1461 | return "xcoff-powermac"; |
7f6d05e8 | 1462 | #else |
eb1e0e80 | 1463 | # ifdef TE_AIX5 |
edc1d652 | 1464 | return (ppc_obj64 ? "aix5coff64-rs6000" : "aixcoff-rs6000"); |
eb1e0e80 | 1465 | # else |
edc1d652 | 1466 | return (ppc_obj64 ? "aixcoff64-rs6000" : "aixcoff-rs6000"); |
eb1e0e80 | 1467 | # endif |
7f6d05e8 | 1468 | #endif |
7f6d05e8 CP |
1469 | #endif |
1470 | #ifdef OBJ_ELF | |
edc1d652 AM |
1471 | # ifdef TE_FreeBSD |
1472 | return (ppc_obj64 ? "elf64-powerpc-freebsd" : "elf32-powerpc-freebsd"); | |
1473 | # elif defined (TE_VXWORKS) | |
9d8504b1 PB |
1474 | return "elf32-powerpc-vxworks"; |
1475 | # else | |
0baf16f2 | 1476 | return (target_big_endian |
2b3c4602 AM |
1477 | ? (ppc_obj64 ? "elf64-powerpc" : "elf32-powerpc") |
1478 | : (ppc_obj64 ? "elf64-powerpcle" : "elf32-powerpcle")); | |
9d8504b1 | 1479 | # endif |
7f6d05e8 CP |
1480 | #endif |
1481 | } | |
1482 | ||
b9c361e0 JL |
1483 | /* Validate one entry in powerpc_opcodes[] or vle_opcodes[]. |
1484 | Return TRUE if there's a problem, otherwise FALSE. */ | |
1485 | ||
1486 | static bfd_boolean | |
1487 | insn_validate (const struct powerpc_opcode *op) | |
1488 | { | |
1489 | const unsigned char *o; | |
1490 | unsigned long omask = op->mask; | |
1491 | ||
1492 | /* The mask had better not trim off opcode bits. */ | |
1493 | if ((op->opcode & omask) != op->opcode) | |
1494 | { | |
1495 | as_bad (_("mask trims opcode bits for %s"), op->name); | |
1496 | return TRUE; | |
1497 | } | |
1498 | ||
1499 | /* The operands must not overlap the opcode or each other. */ | |
1500 | for (o = op->operands; *o; ++o) | |
1501 | { | |
1502 | if (*o >= num_powerpc_operands) | |
1503 | { | |
1504 | as_bad (_("operand index error for %s"), op->name); | |
1505 | return TRUE; | |
1506 | } | |
1507 | else | |
1508 | { | |
1509 | const struct powerpc_operand *operand = &powerpc_operands[*o]; | |
b6518b38 | 1510 | if (operand->shift != (int) PPC_OPSHIFT_INV) |
b9c361e0 JL |
1511 | { |
1512 | unsigned long mask; | |
1513 | ||
1514 | if (operand->shift >= 0) | |
1515 | mask = operand->bitm << operand->shift; | |
1516 | else | |
1517 | mask = operand->bitm >> -operand->shift; | |
1518 | if (omask & mask) | |
1519 | { | |
1520 | as_bad (_("operand %d overlap in %s"), | |
1521 | (int) (o - op->operands), op->name); | |
1522 | return TRUE; | |
1523 | } | |
1524 | omask |= mask; | |
1525 | } | |
1526 | } | |
1527 | } | |
1528 | return FALSE; | |
1529 | } | |
1530 | ||
69c040df | 1531 | /* Insert opcodes and macros into hash tables. Called at startup and |
1fe532cf | 1532 | for .machine pseudo. */ |
252b5132 | 1533 | |
69c040df AM |
1534 | static void |
1535 | ppc_setup_opcodes (void) | |
252b5132 | 1536 | { |
98027b10 | 1537 | const struct powerpc_opcode *op; |
252b5132 RH |
1538 | const struct powerpc_opcode *op_end; |
1539 | const struct powerpc_macro *macro; | |
1540 | const struct powerpc_macro *macro_end; | |
b84bf58a | 1541 | bfd_boolean bad_insn = FALSE; |
252b5132 | 1542 | |
69c040df AM |
1543 | if (ppc_hash != NULL) |
1544 | hash_die (ppc_hash); | |
1545 | if (ppc_macro_hash != NULL) | |
1546 | hash_die (ppc_macro_hash); | |
252b5132 RH |
1547 | |
1548 | /* Insert the opcodes into a hash table. */ | |
1549 | ppc_hash = hash_new (); | |
1550 | ||
c43a438d | 1551 | if (ENABLE_CHECKING) |
b84bf58a | 1552 | { |
c43a438d | 1553 | unsigned int i; |
b84bf58a | 1554 | |
3b8b57a9 AM |
1555 | /* An index into powerpc_operands is stored in struct fix |
1556 | fx_pcrel_adjust which is 8 bits wide. */ | |
1557 | gas_assert (num_powerpc_operands < 256); | |
1558 | ||
c43a438d AM |
1559 | /* Check operand masks. Code here and in the disassembler assumes |
1560 | all the 1's in the mask are contiguous. */ | |
1561 | for (i = 0; i < num_powerpc_operands; ++i) | |
b84bf58a | 1562 | { |
c43a438d AM |
1563 | unsigned long mask = powerpc_operands[i].bitm; |
1564 | unsigned long right_bit; | |
1565 | unsigned int j; | |
1566 | ||
1567 | right_bit = mask & -mask; | |
1568 | mask += right_bit; | |
1569 | right_bit = mask & -mask; | |
1570 | if (mask != right_bit) | |
1571 | { | |
1572 | as_bad (_("powerpc_operands[%d].bitm invalid"), i); | |
1573 | bad_insn = TRUE; | |
1574 | } | |
1575 | for (j = i + 1; j < num_powerpc_operands; ++j) | |
1576 | if (memcmp (&powerpc_operands[i], &powerpc_operands[j], | |
1577 | sizeof (powerpc_operands[0])) == 0) | |
1578 | { | |
1579 | as_bad (_("powerpc_operands[%d] duplicates powerpc_operands[%d]"), | |
1580 | j, i); | |
1581 | bad_insn = TRUE; | |
1582 | } | |
b84bf58a AM |
1583 | } |
1584 | } | |
1585 | ||
252b5132 RH |
1586 | op_end = powerpc_opcodes + powerpc_num_opcodes; |
1587 | for (op = powerpc_opcodes; op < op_end; op++) | |
1588 | { | |
c43a438d | 1589 | if (ENABLE_CHECKING) |
b84bf58a | 1590 | { |
d815f1a9 | 1591 | if (op != powerpc_opcodes) |
8dbcd839 | 1592 | { |
b9c361e0 JL |
1593 | int old_opcode = PPC_OP (op[-1].opcode); |
1594 | int new_opcode = PPC_OP (op[0].opcode); | |
1595 | ||
1596 | #ifdef PRINT_OPCODE_TABLE | |
c0637f3a PB |
1597 | printf ("%-14s\t#%04u\tmajor op: 0x%x\top: 0x%x\tmask: 0x%x\tflags: 0x%llx\n", |
1598 | op->name, (unsigned int) (op - powerpc_opcodes), | |
1599 | (unsigned int) new_opcode, (unsigned int) op->opcode, | |
1600 | (unsigned int) op->mask, (unsigned long long) op->flags); | |
b9c361e0 JL |
1601 | #endif |
1602 | ||
d815f1a9 AM |
1603 | /* The major opcodes had better be sorted. Code in the |
1604 | disassembler assumes the insns are sorted according to | |
1605 | major opcode. */ | |
b9c361e0 | 1606 | if (new_opcode < old_opcode) |
d815f1a9 AM |
1607 | { |
1608 | as_bad (_("major opcode is not sorted for %s"), | |
1609 | op->name); | |
1610 | bad_insn = TRUE; | |
1611 | } | |
8dbcd839 | 1612 | } |
14b57c7c AM |
1613 | if ((op->flags & PPC_OPCODE_VLE) != 0) |
1614 | { | |
1615 | as_bad (_("%s is enabled by vle flag"), op->name); | |
1616 | bad_insn = TRUE; | |
1617 | } | |
1618 | if (PPC_OP (op->opcode) != 4 | |
1619 | && PPC_OP (op->opcode) != 31 | |
1620 | && (op->deprecated & PPC_OPCODE_VLE) == 0) | |
1621 | { | |
1622 | as_bad (_("%s not disabled by vle flag"), op->name); | |
1623 | bad_insn = TRUE; | |
1624 | } | |
b9c361e0 JL |
1625 | bad_insn |= insn_validate (op); |
1626 | } | |
c43a438d | 1627 | |
b9c361e0 JL |
1628 | if ((ppc_cpu & op->flags) != 0 |
1629 | && !(ppc_cpu & op->deprecated)) | |
1630 | { | |
1631 | const char *retval; | |
1632 | ||
1633 | retval = hash_insert (ppc_hash, op->name, (void *) op); | |
1634 | if (retval != NULL) | |
c43a438d | 1635 | { |
b9c361e0 | 1636 | as_bad (_("duplicate instruction %s"), |
c43a438d AM |
1637 | op->name); |
1638 | bad_insn = TRUE; | |
1639 | } | |
b9c361e0 JL |
1640 | } |
1641 | } | |
c43a438d | 1642 | |
b9c361e0 JL |
1643 | if ((ppc_cpu & PPC_OPCODE_ANY) != 0) |
1644 | for (op = powerpc_opcodes; op < op_end; op++) | |
1645 | hash_insert (ppc_hash, op->name, (void *) op); | |
1646 | ||
1647 | op_end = vle_opcodes + vle_num_opcodes; | |
1648 | for (op = vle_opcodes; op < op_end; op++) | |
1649 | { | |
1650 | if (ENABLE_CHECKING) | |
1651 | { | |
1652 | if (op != vle_opcodes) | |
1653 | { | |
1654 | unsigned old_seg, new_seg; | |
1655 | ||
1656 | old_seg = VLE_OP (op[-1].opcode, op[-1].mask); | |
1657 | old_seg = VLE_OP_TO_SEG (old_seg); | |
1658 | new_seg = VLE_OP (op[0].opcode, op[0].mask); | |
1659 | new_seg = VLE_OP_TO_SEG (new_seg); | |
1660 | ||
1661 | #ifdef PRINT_OPCODE_TABLE | |
c0637f3a PB |
1662 | printf ("%-14s\t#%04u\tmajor op: 0x%x\top: 0x%x\tmask: 0x%x\tflags: 0x%llx\n", |
1663 | op->name, (unsigned int) (op - powerpc_opcodes), | |
1664 | (unsigned int) new_seg, (unsigned int) op->opcode, | |
1665 | (unsigned int) op->mask, (unsigned long long) op->flags); | |
b9c361e0 JL |
1666 | #endif |
1667 | /* The major opcodes had better be sorted. Code in the | |
1668 | disassembler assumes the insns are sorted according to | |
1669 | major opcode. */ | |
1670 | if (new_seg < old_seg) | |
1671 | { | |
1672 | as_bad (_("major opcode is not sorted for %s"), | |
1673 | op->name); | |
1674 | bad_insn = TRUE; | |
1675 | } | |
1676 | } | |
1677 | ||
1678 | bad_insn |= insn_validate (op); | |
c43a438d | 1679 | } |
252b5132 | 1680 | |
bdc70b4a | 1681 | if ((ppc_cpu & op->flags) != 0 |
1cb0a767 | 1682 | && !(ppc_cpu & op->deprecated)) |
252b5132 RH |
1683 | { |
1684 | const char *retval; | |
1685 | ||
98027b10 | 1686 | retval = hash_insert (ppc_hash, op->name, (void *) op); |
69c040df | 1687 | if (retval != NULL) |
252b5132 | 1688 | { |
b84bf58a | 1689 | as_bad (_("duplicate instruction %s"), |
99a814a1 | 1690 | op->name); |
b84bf58a | 1691 | bad_insn = TRUE; |
252b5132 RH |
1692 | } |
1693 | } | |
1694 | } | |
1695 | ||
74081948 AF |
1696 | /* SPE2 instructions */ |
1697 | if ((ppc_cpu & PPC_OPCODE_SPE2) == PPC_OPCODE_SPE2) | |
1698 | { | |
1699 | op_end = spe2_opcodes + spe2_num_opcodes; | |
1700 | for (op = spe2_opcodes; op < op_end; op++) | |
1701 | { | |
1702 | if (ENABLE_CHECKING) | |
1703 | { | |
1704 | if (op != spe2_opcodes) | |
1705 | { | |
1706 | unsigned old_seg, new_seg; | |
1707 | ||
1708 | old_seg = VLE_OP (op[-1].opcode, op[-1].mask); | |
1709 | old_seg = VLE_OP_TO_SEG (old_seg); | |
1710 | new_seg = VLE_OP (op[0].opcode, op[0].mask); | |
1711 | new_seg = VLE_OP_TO_SEG (new_seg); | |
1712 | ||
1713 | /* The major opcodes had better be sorted. Code in the | |
1714 | disassembler assumes the insns are sorted according to | |
1715 | major opcode. */ | |
1716 | if (new_seg < old_seg) | |
1717 | { | |
1718 | as_bad (_("major opcode is not sorted for %s"), op->name); | |
1719 | bad_insn = TRUE; | |
1720 | } | |
1721 | } | |
1722 | ||
1723 | bad_insn |= insn_validate (op); | |
1724 | } | |
1725 | ||
1726 | if ((ppc_cpu & op->flags) != 0 && !(ppc_cpu & op->deprecated)) | |
1727 | { | |
1728 | const char *retval; | |
1729 | ||
1730 | retval = hash_insert (ppc_hash, op->name, (void *) op); | |
1731 | if (retval != NULL) | |
1732 | { | |
1733 | as_bad (_("duplicate instruction %s"), | |
1734 | op->name); | |
1735 | bad_insn = TRUE; | |
1736 | } | |
1737 | } | |
1738 | } | |
1739 | ||
1740 | for (op = spe2_opcodes; op < op_end; op++) | |
1741 | hash_insert (ppc_hash, op->name, (void *) op); | |
1742 | } | |
1743 | ||
252b5132 RH |
1744 | /* Insert the macros into a hash table. */ |
1745 | ppc_macro_hash = hash_new (); | |
1746 | ||
1747 | macro_end = powerpc_macros + powerpc_num_macros; | |
1748 | for (macro = powerpc_macros; macro < macro_end; macro++) | |
1749 | { | |
33740db9 | 1750 | if ((macro->flags & ppc_cpu) != 0 || (ppc_cpu & PPC_OPCODE_ANY) != 0) |
252b5132 RH |
1751 | { |
1752 | const char *retval; | |
1753 | ||
98027b10 | 1754 | retval = hash_insert (ppc_macro_hash, macro->name, (void *) macro); |
252b5132 RH |
1755 | if (retval != (const char *) NULL) |
1756 | { | |
b84bf58a AM |
1757 | as_bad (_("duplicate macro %s"), macro->name); |
1758 | bad_insn = TRUE; | |
252b5132 RH |
1759 | } |
1760 | } | |
1761 | } | |
1762 | ||
b84bf58a | 1763 | if (bad_insn) |
252b5132 | 1764 | abort (); |
69c040df AM |
1765 | } |
1766 | ||
1767 | /* This function is called when the assembler starts up. It is called | |
1768 | after the options have been parsed and the output file has been | |
1769 | opened. */ | |
1770 | ||
1771 | void | |
98027b10 | 1772 | md_begin (void) |
69c040df AM |
1773 | { |
1774 | ppc_set_cpu (); | |
1775 | ||
1776 | ppc_cie_data_alignment = ppc_obj64 ? -8 : -4; | |
8fbf7334 | 1777 | ppc_dwarf2_line_min_insn_length = (ppc_cpu & PPC_OPCODE_VLE) ? 2 : 4; |
69c040df AM |
1778 | |
1779 | #ifdef OBJ_ELF | |
1780 | /* Set the ELF flags if desired. */ | |
1781 | if (ppc_flags && !msolaris) | |
1782 | bfd_set_private_flags (stdoutput, ppc_flags); | |
1783 | #endif | |
1784 | ||
1785 | ppc_setup_opcodes (); | |
252b5132 | 1786 | |
67c1ffbe | 1787 | /* Tell the main code what the endianness is if it is not overridden |
99a814a1 | 1788 | by the user. */ |
252b5132 RH |
1789 | if (!set_target_endian) |
1790 | { | |
1791 | set_target_endian = 1; | |
1792 | target_big_endian = PPC_BIG_ENDIAN; | |
1793 | } | |
1794 | ||
1795 | #ifdef OBJ_XCOFF | |
1796 | ppc_coff_debug_section = coff_section_from_bfd_index (stdoutput, N_DEBUG); | |
1797 | ||
1798 | /* Create dummy symbols to serve as initial csects. This forces the | |
1799 | text csects to precede the data csects. These symbols will not | |
1800 | be output. */ | |
1801 | ppc_text_csects = symbol_make ("dummy\001"); | |
809ffe0d | 1802 | symbol_get_tc (ppc_text_csects)->within = ppc_text_csects; |
252b5132 | 1803 | ppc_data_csects = symbol_make ("dummy\001"); |
809ffe0d | 1804 | symbol_get_tc (ppc_data_csects)->within = ppc_data_csects; |
252b5132 RH |
1805 | #endif |
1806 | ||
1807 | #ifdef TE_PE | |
1808 | ||
1809 | ppc_current_section = text_section; | |
81d4177b | 1810 | ppc_previous_section = 0; |
252b5132 RH |
1811 | |
1812 | #endif | |
1813 | } | |
1814 | ||
6a0c61b7 | 1815 | void |
98027b10 | 1816 | ppc_cleanup (void) |
6a0c61b7 | 1817 | { |
dc1d03fc | 1818 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
1819 | if (ppc_apuinfo_list == NULL) |
1820 | return; | |
1821 | ||
1822 | /* Ok, so write the section info out. We have this layout: | |
1823 | ||
1824 | byte data what | |
1825 | ---- ---- ---- | |
1826 | 0 8 length of "APUinfo\0" | |
1827 | 4 (n*4) number of APU's (4 bytes each) | |
1828 | 8 2 note type 2 | |
1829 | 12 "APUinfo\0" name | |
1830 | 20 APU#1 first APU's info | |
1831 | 24 APU#2 second APU's info | |
1832 | ... ... | |
1833 | */ | |
1834 | { | |
1835 | char *p; | |
1836 | asection *seg = now_seg; | |
1837 | subsegT subseg = now_subseg; | |
1838 | asection *apuinfo_secp = (asection *) NULL; | |
49181a6a | 1839 | unsigned int i; |
6a0c61b7 EZ |
1840 | |
1841 | /* Create the .PPC.EMB.apuinfo section. */ | |
14b57c7c | 1842 | apuinfo_secp = subseg_new (APUINFO_SECTION_NAME, 0); |
6a0c61b7 EZ |
1843 | bfd_set_section_flags (stdoutput, |
1844 | apuinfo_secp, | |
e1a9cb8e | 1845 | SEC_HAS_CONTENTS | SEC_READONLY); |
6a0c61b7 EZ |
1846 | |
1847 | p = frag_more (4); | |
1848 | md_number_to_chars (p, (valueT) 8, 4); | |
1849 | ||
1850 | p = frag_more (4); | |
e98d298c | 1851 | md_number_to_chars (p, (valueT) ppc_apuinfo_num * 4, 4); |
6a0c61b7 EZ |
1852 | |
1853 | p = frag_more (4); | |
1854 | md_number_to_chars (p, (valueT) 2, 4); | |
1855 | ||
1856 | p = frag_more (8); | |
14b57c7c | 1857 | strcpy (p, APUINFO_LABEL); |
6a0c61b7 EZ |
1858 | |
1859 | for (i = 0; i < ppc_apuinfo_num; i++) | |
1860 | { | |
b34976b6 AM |
1861 | p = frag_more (4); |
1862 | md_number_to_chars (p, (valueT) ppc_apuinfo_list[i], 4); | |
6a0c61b7 EZ |
1863 | } |
1864 | ||
1865 | frag_align (2, 0, 0); | |
1866 | ||
1867 | /* We probably can't restore the current segment, for there likely | |
1868 | isn't one yet... */ | |
1869 | if (seg && subseg) | |
1870 | subseg_set (seg, subseg); | |
1871 | } | |
dc1d03fc | 1872 | #endif |
6a0c61b7 EZ |
1873 | } |
1874 | ||
252b5132 RH |
1875 | /* Insert an operand value into an instruction. */ |
1876 | ||
1877 | static unsigned long | |
a1867a27 AM |
1878 | ppc_insert_operand (unsigned long insn, |
1879 | const struct powerpc_operand *operand, | |
1880 | offsetT val, | |
91d6fa6a | 1881 | ppc_cpu_t cpu, |
3b4dbbbf | 1882 | const char *file, |
a1867a27 | 1883 | unsigned int line) |
252b5132 | 1884 | { |
b84bf58a | 1885 | long min, max, right; |
eb42fac1 | 1886 | |
b84bf58a AM |
1887 | max = operand->bitm; |
1888 | right = max & -max; | |
1889 | min = 0; | |
1890 | ||
a47622ac | 1891 | if ((operand->flags & PPC_OPERAND_SIGNOPT) != 0) |
252b5132 | 1892 | { |
a255f00a AM |
1893 | /* Extend the allowed range for addis to [-32768, 65535]. |
1894 | Similarly for cmpli and some VLE high part insns. For 64-bit | |
1895 | it would be good to disable this for signed fields since the | |
a47622ac AM |
1896 | value is sign extended into the high 32 bits of the register. |
1897 | If the value is, say, an address, then we might care about | |
1898 | the high bits. However, gcc as of 2014-06 uses unsigned | |
1899 | values when loading the high part of 64-bit constants using | |
a255f00a AM |
1900 | lis. */ |
1901 | min = ~(max >> 1) & -right; | |
a47622ac AM |
1902 | } |
1903 | else if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
1904 | { | |
1905 | max = (max >> 1) & -right; | |
931774a9 | 1906 | min = ~max & -right; |
b84bf58a | 1907 | } |
252b5132 | 1908 | |
b84bf58a | 1909 | if ((operand->flags & PPC_OPERAND_PLUS1) != 0) |
3896c469 | 1910 | max++; |
252b5132 | 1911 | |
b84bf58a | 1912 | if ((operand->flags & PPC_OPERAND_NEGATIVE) != 0) |
a1867a27 AM |
1913 | { |
1914 | long tmp = min; | |
1915 | min = -max; | |
1916 | max = -tmp; | |
1917 | } | |
b84bf58a | 1918 | |
a1867a27 AM |
1919 | if (min <= max) |
1920 | { | |
1921 | /* Some people write constants with the sign extension done by | |
1922 | hand but only up to 32 bits. This shouldn't really be valid, | |
1923 | but, to permit this code to assemble on a 64-bit host, we | |
1924 | sign extend the 32-bit value to 64 bits if so doing makes the | |
1925 | value valid. */ | |
1926 | if (val > max | |
1927 | && (offsetT) (val - 0x80000000 - 0x80000000) >= min | |
1928 | && (offsetT) (val - 0x80000000 - 0x80000000) <= max | |
1929 | && ((val - 0x80000000 - 0x80000000) & (right - 1)) == 0) | |
1930 | val = val - 0x80000000 - 0x80000000; | |
1931 | ||
1932 | /* Similarly, people write expressions like ~(1<<15), and expect | |
1933 | this to be OK for a 32-bit unsigned value. */ | |
1934 | else if (val < min | |
1935 | && (offsetT) (val + 0x80000000 + 0x80000000) >= min | |
1936 | && (offsetT) (val + 0x80000000 + 0x80000000) <= max | |
1937 | && ((val + 0x80000000 + 0x80000000) & (right - 1)) == 0) | |
1938 | val = val + 0x80000000 + 0x80000000; | |
1939 | ||
1940 | else if (val < min | |
1941 | || val > max | |
1942 | || (val & (right - 1)) != 0) | |
1943 | as_bad_value_out_of_range (_("operand"), val, min, max, file, line); | |
1944 | } | |
b84bf58a | 1945 | |
252b5132 RH |
1946 | if (operand->insert) |
1947 | { | |
1948 | const char *errmsg; | |
1949 | ||
1950 | errmsg = NULL; | |
91d6fa6a | 1951 | insn = (*operand->insert) (insn, (long) val, cpu, &errmsg); |
252b5132 | 1952 | if (errmsg != (const char *) NULL) |
ee2c9aa9 | 1953 | as_bad_where (file, line, "%s", errmsg); |
252b5132 | 1954 | } |
b9c361e0 | 1955 | else if (operand->shift >= 0) |
b84bf58a | 1956 | insn |= ((long) val & operand->bitm) << operand->shift; |
b9c361e0 JL |
1957 | else |
1958 | insn |= ((long) val & operand->bitm) >> -operand->shift; | |
252b5132 RH |
1959 | |
1960 | return insn; | |
1961 | } | |
1962 | ||
1963 | \f | |
1964 | #ifdef OBJ_ELF | |
1965 | /* Parse @got, etc. and return the desired relocation. */ | |
1966 | static bfd_reloc_code_real_type | |
98027b10 | 1967 | ppc_elf_suffix (char **str_p, expressionS *exp_p) |
252b5132 RH |
1968 | { |
1969 | struct map_bfd { | |
e0471c16 | 1970 | const char *string; |
b7d7dc63 AM |
1971 | unsigned int length : 8; |
1972 | unsigned int valid32 : 1; | |
1973 | unsigned int valid64 : 1; | |
1974 | unsigned int reloc; | |
252b5132 RH |
1975 | }; |
1976 | ||
1977 | char ident[20]; | |
1978 | char *str = *str_p; | |
1979 | char *str2; | |
1980 | int ch; | |
1981 | int len; | |
15c1449b | 1982 | const struct map_bfd *ptr; |
252b5132 | 1983 | |
b7d7dc63 AM |
1984 | #define MAP(str, reloc) { str, sizeof (str) - 1, 1, 1, reloc } |
1985 | #define MAP32(str, reloc) { str, sizeof (str) - 1, 1, 0, reloc } | |
1986 | #define MAP64(str, reloc) { str, sizeof (str) - 1, 0, 1, reloc } | |
252b5132 | 1987 | |
15c1449b | 1988 | static const struct map_bfd mapping[] = { |
b7d7dc63 AM |
1989 | MAP ("l", BFD_RELOC_LO16), |
1990 | MAP ("h", BFD_RELOC_HI16), | |
1991 | MAP ("ha", BFD_RELOC_HI16_S), | |
1992 | MAP ("brtaken", BFD_RELOC_PPC_B16_BRTAKEN), | |
1993 | MAP ("brntaken", BFD_RELOC_PPC_B16_BRNTAKEN), | |
1994 | MAP ("got", BFD_RELOC_16_GOTOFF), | |
1995 | MAP ("got@l", BFD_RELOC_LO16_GOTOFF), | |
1996 | MAP ("got@h", BFD_RELOC_HI16_GOTOFF), | |
1997 | MAP ("got@ha", BFD_RELOC_HI16_S_GOTOFF), | |
1998 | MAP ("plt@l", BFD_RELOC_LO16_PLTOFF), | |
1999 | MAP ("plt@h", BFD_RELOC_HI16_PLTOFF), | |
2000 | MAP ("plt@ha", BFD_RELOC_HI16_S_PLTOFF), | |
2001 | MAP ("copy", BFD_RELOC_PPC_COPY), | |
2002 | MAP ("globdat", BFD_RELOC_PPC_GLOB_DAT), | |
2003 | MAP ("sectoff", BFD_RELOC_16_BASEREL), | |
2004 | MAP ("sectoff@l", BFD_RELOC_LO16_BASEREL), | |
2005 | MAP ("sectoff@h", BFD_RELOC_HI16_BASEREL), | |
2006 | MAP ("sectoff@ha", BFD_RELOC_HI16_S_BASEREL), | |
2007 | MAP ("tls", BFD_RELOC_PPC_TLS), | |
2008 | MAP ("dtpmod", BFD_RELOC_PPC_DTPMOD), | |
2009 | MAP ("dtprel", BFD_RELOC_PPC_DTPREL), | |
2010 | MAP ("dtprel@l", BFD_RELOC_PPC_DTPREL16_LO), | |
2011 | MAP ("dtprel@h", BFD_RELOC_PPC_DTPREL16_HI), | |
2012 | MAP ("dtprel@ha", BFD_RELOC_PPC_DTPREL16_HA), | |
2013 | MAP ("tprel", BFD_RELOC_PPC_TPREL), | |
2014 | MAP ("tprel@l", BFD_RELOC_PPC_TPREL16_LO), | |
2015 | MAP ("tprel@h", BFD_RELOC_PPC_TPREL16_HI), | |
2016 | MAP ("tprel@ha", BFD_RELOC_PPC_TPREL16_HA), | |
2017 | MAP ("got@tlsgd", BFD_RELOC_PPC_GOT_TLSGD16), | |
2018 | MAP ("got@tlsgd@l", BFD_RELOC_PPC_GOT_TLSGD16_LO), | |
2019 | MAP ("got@tlsgd@h", BFD_RELOC_PPC_GOT_TLSGD16_HI), | |
2020 | MAP ("got@tlsgd@ha", BFD_RELOC_PPC_GOT_TLSGD16_HA), | |
2021 | MAP ("got@tlsld", BFD_RELOC_PPC_GOT_TLSLD16), | |
2022 | MAP ("got@tlsld@l", BFD_RELOC_PPC_GOT_TLSLD16_LO), | |
2023 | MAP ("got@tlsld@h", BFD_RELOC_PPC_GOT_TLSLD16_HI), | |
2024 | MAP ("got@tlsld@ha", BFD_RELOC_PPC_GOT_TLSLD16_HA), | |
2025 | MAP ("got@dtprel", BFD_RELOC_PPC_GOT_DTPREL16), | |
2026 | MAP ("got@dtprel@l", BFD_RELOC_PPC_GOT_DTPREL16_LO), | |
2027 | MAP ("got@dtprel@h", BFD_RELOC_PPC_GOT_DTPREL16_HI), | |
2028 | MAP ("got@dtprel@ha", BFD_RELOC_PPC_GOT_DTPREL16_HA), | |
2029 | MAP ("got@tprel", BFD_RELOC_PPC_GOT_TPREL16), | |
2030 | MAP ("got@tprel@l", BFD_RELOC_PPC_GOT_TPREL16_LO), | |
2031 | MAP ("got@tprel@h", BFD_RELOC_PPC_GOT_TPREL16_HI), | |
2032 | MAP ("got@tprel@ha", BFD_RELOC_PPC_GOT_TPREL16_HA), | |
2033 | MAP32 ("fixup", BFD_RELOC_CTOR), | |
2034 | MAP32 ("plt", BFD_RELOC_24_PLT_PCREL), | |
2035 | MAP32 ("pltrel24", BFD_RELOC_24_PLT_PCREL), | |
2036 | MAP32 ("local24pc", BFD_RELOC_PPC_LOCAL24PC), | |
2037 | MAP32 ("local", BFD_RELOC_PPC_LOCAL24PC), | |
2038 | MAP32 ("pltrel", BFD_RELOC_32_PLT_PCREL), | |
2039 | MAP32 ("sdarel", BFD_RELOC_GPREL16), | |
b9c361e0 JL |
2040 | MAP32 ("sdarel@l", BFD_RELOC_PPC_VLE_SDAREL_LO16A), |
2041 | MAP32 ("sdarel@h", BFD_RELOC_PPC_VLE_SDAREL_HI16A), | |
2042 | MAP32 ("sdarel@ha", BFD_RELOC_PPC_VLE_SDAREL_HA16A), | |
b7d7dc63 AM |
2043 | MAP32 ("naddr", BFD_RELOC_PPC_EMB_NADDR32), |
2044 | MAP32 ("naddr16", BFD_RELOC_PPC_EMB_NADDR16), | |
2045 | MAP32 ("naddr@l", BFD_RELOC_PPC_EMB_NADDR16_LO), | |
2046 | MAP32 ("naddr@h", BFD_RELOC_PPC_EMB_NADDR16_HI), | |
2047 | MAP32 ("naddr@ha", BFD_RELOC_PPC_EMB_NADDR16_HA), | |
2048 | MAP32 ("sdai16", BFD_RELOC_PPC_EMB_SDAI16), | |
2049 | MAP32 ("sda2rel", BFD_RELOC_PPC_EMB_SDA2REL), | |
2050 | MAP32 ("sda2i16", BFD_RELOC_PPC_EMB_SDA2I16), | |
2051 | MAP32 ("sda21", BFD_RELOC_PPC_EMB_SDA21), | |
b9c361e0 | 2052 | MAP32 ("sda21@l", BFD_RELOC_PPC_VLE_SDA21_LO), |
b7d7dc63 AM |
2053 | MAP32 ("mrkref", BFD_RELOC_PPC_EMB_MRKREF), |
2054 | MAP32 ("relsect", BFD_RELOC_PPC_EMB_RELSEC16), | |
2055 | MAP32 ("relsect@l", BFD_RELOC_PPC_EMB_RELST_LO), | |
2056 | MAP32 ("relsect@h", BFD_RELOC_PPC_EMB_RELST_HI), | |
2057 | MAP32 ("relsect@ha", BFD_RELOC_PPC_EMB_RELST_HA), | |
2058 | MAP32 ("bitfld", BFD_RELOC_PPC_EMB_BIT_FLD), | |
2059 | MAP32 ("relsda", BFD_RELOC_PPC_EMB_RELSDA), | |
2060 | MAP32 ("xgot", BFD_RELOC_PPC_TOC16), | |
f9c6b907 AM |
2061 | MAP64 ("high", BFD_RELOC_PPC64_ADDR16_HIGH), |
2062 | MAP64 ("higha", BFD_RELOC_PPC64_ADDR16_HIGHA), | |
b7d7dc63 AM |
2063 | MAP64 ("higher", BFD_RELOC_PPC64_HIGHER), |
2064 | MAP64 ("highera", BFD_RELOC_PPC64_HIGHER_S), | |
2065 | MAP64 ("highest", BFD_RELOC_PPC64_HIGHEST), | |
2066 | MAP64 ("highesta", BFD_RELOC_PPC64_HIGHEST_S), | |
2067 | MAP64 ("tocbase", BFD_RELOC_PPC64_TOC), | |
2068 | MAP64 ("toc", BFD_RELOC_PPC_TOC16), | |
2069 | MAP64 ("toc@l", BFD_RELOC_PPC64_TOC16_LO), | |
2070 | MAP64 ("toc@h", BFD_RELOC_PPC64_TOC16_HI), | |
2071 | MAP64 ("toc@ha", BFD_RELOC_PPC64_TOC16_HA), | |
f9c6b907 AM |
2072 | MAP64 ("dtprel@high", BFD_RELOC_PPC64_DTPREL16_HIGH), |
2073 | MAP64 ("dtprel@higha", BFD_RELOC_PPC64_DTPREL16_HIGHA), | |
b7d7dc63 AM |
2074 | MAP64 ("dtprel@higher", BFD_RELOC_PPC64_DTPREL16_HIGHER), |
2075 | MAP64 ("dtprel@highera", BFD_RELOC_PPC64_DTPREL16_HIGHERA), | |
2076 | MAP64 ("dtprel@highest", BFD_RELOC_PPC64_DTPREL16_HIGHEST), | |
2077 | MAP64 ("dtprel@highesta", BFD_RELOC_PPC64_DTPREL16_HIGHESTA), | |
45965137 | 2078 | MAP64 ("localentry", BFD_RELOC_PPC64_ADDR64_LOCAL), |
f9c6b907 AM |
2079 | MAP64 ("tprel@high", BFD_RELOC_PPC64_TPREL16_HIGH), |
2080 | MAP64 ("tprel@higha", BFD_RELOC_PPC64_TPREL16_HIGHA), | |
b7d7dc63 AM |
2081 | MAP64 ("tprel@higher", BFD_RELOC_PPC64_TPREL16_HIGHER), |
2082 | MAP64 ("tprel@highera", BFD_RELOC_PPC64_TPREL16_HIGHERA), | |
2083 | MAP64 ("tprel@highest", BFD_RELOC_PPC64_TPREL16_HIGHEST), | |
2084 | MAP64 ("tprel@highesta", BFD_RELOC_PPC64_TPREL16_HIGHESTA), | |
62ebcb5c | 2085 | { (char *) 0, 0, 0, 0, BFD_RELOC_NONE } |
252b5132 RH |
2086 | }; |
2087 | ||
2088 | if (*str++ != '@') | |
62ebcb5c | 2089 | return BFD_RELOC_NONE; |
252b5132 RH |
2090 | |
2091 | for (ch = *str, str2 = ident; | |
2092 | (str2 < ident + sizeof (ident) - 1 | |
3882b010 | 2093 | && (ISALNUM (ch) || ch == '@')); |
252b5132 RH |
2094 | ch = *++str) |
2095 | { | |
3882b010 | 2096 | *str2++ = TOLOWER (ch); |
252b5132 RH |
2097 | } |
2098 | ||
2099 | *str2 = '\0'; | |
2100 | len = str2 - ident; | |
2101 | ||
2102 | ch = ident[0]; | |
2103 | for (ptr = &mapping[0]; ptr->length > 0; ptr++) | |
2104 | if (ch == ptr->string[0] | |
2105 | && len == ptr->length | |
b7d7dc63 AM |
2106 | && memcmp (ident, ptr->string, ptr->length) == 0 |
2107 | && (ppc_obj64 ? ptr->valid64 : ptr->valid32)) | |
252b5132 | 2108 | { |
15c1449b AM |
2109 | int reloc = ptr->reloc; |
2110 | ||
727fc41e AM |
2111 | if (!ppc_obj64 && exp_p->X_add_number != 0) |
2112 | { | |
2113 | switch (reloc) | |
2114 | { | |
2115 | case BFD_RELOC_16_GOTOFF: | |
2116 | case BFD_RELOC_LO16_GOTOFF: | |
2117 | case BFD_RELOC_HI16_GOTOFF: | |
2118 | case BFD_RELOC_HI16_S_GOTOFF: | |
2119 | as_warn (_("identifier+constant@got means " | |
2120 | "identifier@got+constant")); | |
2121 | break; | |
2122 | ||
2123 | case BFD_RELOC_PPC_GOT_TLSGD16: | |
2124 | case BFD_RELOC_PPC_GOT_TLSGD16_LO: | |
2125 | case BFD_RELOC_PPC_GOT_TLSGD16_HI: | |
2126 | case BFD_RELOC_PPC_GOT_TLSGD16_HA: | |
2127 | case BFD_RELOC_PPC_GOT_TLSLD16: | |
2128 | case BFD_RELOC_PPC_GOT_TLSLD16_LO: | |
2129 | case BFD_RELOC_PPC_GOT_TLSLD16_HI: | |
2130 | case BFD_RELOC_PPC_GOT_TLSLD16_HA: | |
2131 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
2132 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
2133 | case BFD_RELOC_PPC_GOT_DTPREL16_HI: | |
2134 | case BFD_RELOC_PPC_GOT_DTPREL16_HA: | |
2135 | case BFD_RELOC_PPC_GOT_TPREL16: | |
2136 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
2137 | case BFD_RELOC_PPC_GOT_TPREL16_HI: | |
2138 | case BFD_RELOC_PPC_GOT_TPREL16_HA: | |
2139 | as_bad (_("symbol+offset not supported for got tls")); | |
2140 | break; | |
2141 | } | |
2142 | } | |
5f6db75a AM |
2143 | |
2144 | /* Now check for identifier@suffix+constant. */ | |
2145 | if (*str == '-' || *str == '+') | |
252b5132 | 2146 | { |
5f6db75a AM |
2147 | char *orig_line = input_line_pointer; |
2148 | expressionS new_exp; | |
2149 | ||
2150 | input_line_pointer = str; | |
2151 | expression (&new_exp); | |
2152 | if (new_exp.X_op == O_constant) | |
252b5132 | 2153 | { |
5f6db75a AM |
2154 | exp_p->X_add_number += new_exp.X_add_number; |
2155 | str = input_line_pointer; | |
252b5132 | 2156 | } |
5f6db75a AM |
2157 | |
2158 | if (&input_line_pointer != str_p) | |
2159 | input_line_pointer = orig_line; | |
252b5132 | 2160 | } |
252b5132 | 2161 | *str_p = str; |
0baf16f2 | 2162 | |
2b3c4602 | 2163 | if (reloc == (int) BFD_RELOC_PPC64_TOC |
9f2b53d7 AM |
2164 | && exp_p->X_op == O_symbol |
2165 | && strcmp (S_GET_NAME (exp_p->X_add_symbol), ".TOC.") == 0) | |
0baf16f2 | 2166 | { |
9f2b53d7 AM |
2167 | /* Change the symbol so that the dummy .TOC. symbol can be |
2168 | omitted from the object file. */ | |
0baf16f2 AM |
2169 | exp_p->X_add_symbol = &abs_symbol; |
2170 | } | |
2171 | ||
15c1449b | 2172 | return (bfd_reloc_code_real_type) reloc; |
252b5132 RH |
2173 | } |
2174 | ||
62ebcb5c | 2175 | return BFD_RELOC_NONE; |
252b5132 RH |
2176 | } |
2177 | ||
62ebcb5c | 2178 | /* Support @got, etc. on constants emitted via .short, .int etc. */ |
99a814a1 | 2179 | |
62ebcb5c AM |
2180 | bfd_reloc_code_real_type |
2181 | ppc_elf_parse_cons (expressionS *exp, unsigned int nbytes) | |
2182 | { | |
2183 | expression (exp); | |
2184 | if (nbytes >= 2 && *input_line_pointer == '@') | |
2185 | return ppc_elf_suffix (&input_line_pointer, exp); | |
2186 | return BFD_RELOC_NONE; | |
252b5132 RH |
2187 | } |
2188 | ||
bf7279d5 AM |
2189 | /* Warn when emitting data to code sections, unless we are emitting |
2190 | a relocation that ld --ppc476-workaround uses to recognise data | |
2191 | *and* there was an unconditional branch prior to the data. */ | |
2192 | ||
2193 | void | |
2194 | ppc_elf_cons_fix_check (expressionS *exp ATTRIBUTE_UNUSED, | |
2195 | unsigned int nbytes, fixS *fix) | |
2196 | { | |
2197 | if (warn_476 | |
2198 | && (now_seg->flags & SEC_CODE) != 0 | |
2199 | && (nbytes != 4 | |
2200 | || fix == NULL | |
2201 | || !(fix->fx_r_type == BFD_RELOC_32 | |
2202 | || fix->fx_r_type == BFD_RELOC_CTOR | |
2203 | || fix->fx_r_type == BFD_RELOC_32_PCREL) | |
2204 | || !(last_seg == now_seg && last_subseg == now_subseg) | |
2205 | || !((last_insn & (0x3f << 26)) == (18u << 26) | |
2206 | || ((last_insn & (0x3f << 26)) == (16u << 26) | |
2207 | && (last_insn & (0x14 << 21)) == (0x14 << 21)) | |
2208 | || ((last_insn & (0x3f << 26)) == (19u << 26) | |
2209 | && (last_insn & (0x3ff << 1)) == (16u << 1) | |
2210 | && (last_insn & (0x14 << 21)) == (0x14 << 21))))) | |
2211 | { | |
2212 | /* Flag that we've warned. */ | |
2213 | if (fix != NULL) | |
2214 | fix->fx_tcbit = 1; | |
2215 | ||
2216 | as_warn (_("data in executable section")); | |
2217 | } | |
2218 | } | |
2219 | ||
252b5132 RH |
2220 | /* Solaris pseduo op to change to the .rodata section. */ |
2221 | static void | |
98027b10 | 2222 | ppc_elf_rdata (int xxx) |
252b5132 RH |
2223 | { |
2224 | char *save_line = input_line_pointer; | |
2225 | static char section[] = ".rodata\n"; | |
2226 | ||
99a814a1 | 2227 | /* Just pretend this is .section .rodata */ |
252b5132 RH |
2228 | input_line_pointer = section; |
2229 | obj_elf_section (xxx); | |
2230 | ||
2231 | input_line_pointer = save_line; | |
2232 | } | |
2233 | ||
99a814a1 | 2234 | /* Pseudo op to make file scope bss items. */ |
252b5132 | 2235 | static void |
98027b10 | 2236 | ppc_elf_lcomm (int xxx ATTRIBUTE_UNUSED) |
252b5132 | 2237 | { |
98027b10 AM |
2238 | char *name; |
2239 | char c; | |
2240 | char *p; | |
252b5132 | 2241 | offsetT size; |
98027b10 | 2242 | symbolS *symbolP; |
252b5132 RH |
2243 | offsetT align; |
2244 | segT old_sec; | |
2245 | int old_subsec; | |
2246 | char *pfrag; | |
2247 | int align2; | |
2248 | ||
d02603dc | 2249 | c = get_symbol_name (&name); |
252b5132 | 2250 | |
d02603dc | 2251 | /* Just after name is now '\0'. */ |
252b5132 RH |
2252 | p = input_line_pointer; |
2253 | *p = c; | |
d02603dc | 2254 | SKIP_WHITESPACE_AFTER_NAME (); |
252b5132 RH |
2255 | if (*input_line_pointer != ',') |
2256 | { | |
d6ed37ed | 2257 | as_bad (_("expected comma after symbol-name: rest of line ignored.")); |
252b5132 RH |
2258 | ignore_rest_of_line (); |
2259 | return; | |
2260 | } | |
2261 | ||
2262 | input_line_pointer++; /* skip ',' */ | |
2263 | if ((size = get_absolute_expression ()) < 0) | |
2264 | { | |
2265 | as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) size); | |
2266 | ignore_rest_of_line (); | |
2267 | return; | |
2268 | } | |
2269 | ||
2270 | /* The third argument to .lcomm is the alignment. */ | |
2271 | if (*input_line_pointer != ',') | |
2272 | align = 8; | |
2273 | else | |
2274 | { | |
2275 | ++input_line_pointer; | |
2276 | align = get_absolute_expression (); | |
2277 | if (align <= 0) | |
2278 | { | |
2279 | as_warn (_("ignoring bad alignment")); | |
2280 | align = 8; | |
2281 | } | |
2282 | } | |
2283 | ||
2284 | *p = 0; | |
2285 | symbolP = symbol_find_or_make (name); | |
2286 | *p = c; | |
2287 | ||
2288 | if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP)) | |
2289 | { | |
d6ed37ed | 2290 | as_bad (_("ignoring attempt to re-define symbol `%s'."), |
252b5132 RH |
2291 | S_GET_NAME (symbolP)); |
2292 | ignore_rest_of_line (); | |
2293 | return; | |
2294 | } | |
2295 | ||
2296 | if (S_GET_VALUE (symbolP) && S_GET_VALUE (symbolP) != (valueT) size) | |
2297 | { | |
d6ed37ed | 2298 | as_bad (_("length of .lcomm \"%s\" is already %ld. Not changed to %ld."), |
252b5132 RH |
2299 | S_GET_NAME (symbolP), |
2300 | (long) S_GET_VALUE (symbolP), | |
2301 | (long) size); | |
2302 | ||
2303 | ignore_rest_of_line (); | |
2304 | return; | |
2305 | } | |
2306 | ||
99a814a1 | 2307 | /* Allocate_bss. */ |
252b5132 RH |
2308 | old_sec = now_seg; |
2309 | old_subsec = now_subseg; | |
2310 | if (align) | |
2311 | { | |
99a814a1 | 2312 | /* Convert to a power of 2 alignment. */ |
252b5132 RH |
2313 | for (align2 = 0; (align & 1) == 0; align >>= 1, ++align2); |
2314 | if (align != 1) | |
2315 | { | |
d6ed37ed | 2316 | as_bad (_("common alignment not a power of 2")); |
252b5132 RH |
2317 | ignore_rest_of_line (); |
2318 | return; | |
2319 | } | |
2320 | } | |
2321 | else | |
2322 | align2 = 0; | |
2323 | ||
2324 | record_alignment (bss_section, align2); | |
cbe02d4f | 2325 | subseg_set (bss_section, 1); |
252b5132 RH |
2326 | if (align2) |
2327 | frag_align (align2, 0, 0); | |
2328 | if (S_GET_SEGMENT (symbolP) == bss_section) | |
49309057 ILT |
2329 | symbol_get_frag (symbolP)->fr_symbol = 0; |
2330 | symbol_set_frag (symbolP, frag_now); | |
252b5132 RH |
2331 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, size, |
2332 | (char *) 0); | |
2333 | *pfrag = 0; | |
2334 | S_SET_SIZE (symbolP, size); | |
2335 | S_SET_SEGMENT (symbolP, bss_section); | |
2336 | subseg_set (old_sec, old_subsec); | |
2337 | demand_empty_rest_of_line (); | |
2338 | } | |
2339 | ||
6911b7dc AM |
2340 | /* Pseudo op to set symbol local entry point. */ |
2341 | static void | |
2342 | ppc_elf_localentry (int ignore ATTRIBUTE_UNUSED) | |
2343 | { | |
d02603dc NC |
2344 | char *name; |
2345 | char c = get_symbol_name (&name); | |
6911b7dc AM |
2346 | char *p; |
2347 | expressionS exp; | |
2348 | symbolS *sym; | |
2349 | asymbol *bfdsym; | |
2350 | elf_symbol_type *elfsym; | |
2351 | ||
2352 | p = input_line_pointer; | |
2353 | *p = c; | |
d02603dc | 2354 | SKIP_WHITESPACE_AFTER_NAME (); |
6911b7dc AM |
2355 | if (*input_line_pointer != ',') |
2356 | { | |
2357 | *p = 0; | |
2358 | as_bad (_("expected comma after name `%s' in .localentry directive"), | |
2359 | name); | |
2360 | *p = c; | |
2361 | ignore_rest_of_line (); | |
2362 | return; | |
2363 | } | |
2364 | input_line_pointer++; | |
2365 | expression (&exp); | |
2366 | if (exp.X_op == O_absent) | |
2367 | { | |
2368 | as_bad (_("missing expression in .localentry directive")); | |
2369 | exp.X_op = O_constant; | |
2370 | exp.X_add_number = 0; | |
2371 | } | |
2372 | *p = 0; | |
2373 | sym = symbol_find_or_make (name); | |
2374 | *p = c; | |
2375 | ||
2376 | if (resolve_expression (&exp) | |
2377 | && exp.X_op == O_constant) | |
2378 | { | |
2379 | unsigned char encoded = PPC64_SET_LOCAL_ENTRY_OFFSET (exp.X_add_number); | |
2380 | ||
e2b5892e | 2381 | if (exp.X_add_number != (offsetT) PPC64_LOCAL_ENTRY_OFFSET (encoded)) |
6911b7dc AM |
2382 | as_bad (_(".localentry expression for `%s' " |
2383 | "is not a valid power of 2"), S_GET_NAME (sym)); | |
2384 | else | |
2385 | { | |
2386 | bfdsym = symbol_get_bfdsym (sym); | |
2387 | elfsym = elf_symbol_from (bfd_asymbol_bfd (bfdsym), bfdsym); | |
2388 | gas_assert (elfsym); | |
2389 | elfsym->internal_elf_sym.st_other &= ~STO_PPC64_LOCAL_MASK; | |
2390 | elfsym->internal_elf_sym.st_other |= encoded; | |
2391 | if (ppc_abiversion == 0) | |
2392 | ppc_abiversion = 2; | |
2393 | } | |
2394 | } | |
2395 | else | |
2396 | as_bad (_(".localentry expression for `%s' " | |
2397 | "does not evaluate to a constant"), S_GET_NAME (sym)); | |
2398 | ||
2399 | demand_empty_rest_of_line (); | |
2400 | } | |
2401 | ||
ee67d69a AM |
2402 | /* Pseudo op to set ABI version. */ |
2403 | static void | |
2404 | ppc_elf_abiversion (int ignore ATTRIBUTE_UNUSED) | |
2405 | { | |
2406 | expressionS exp; | |
2407 | ||
2408 | expression (&exp); | |
2409 | if (exp.X_op == O_absent) | |
2410 | { | |
2411 | as_bad (_("missing expression in .abiversion directive")); | |
2412 | exp.X_op = O_constant; | |
2413 | exp.X_add_number = 0; | |
2414 | } | |
2415 | ||
2416 | if (resolve_expression (&exp) | |
2417 | && exp.X_op == O_constant) | |
2418 | ppc_abiversion = exp.X_add_number; | |
2419 | else | |
2420 | as_bad (_(".abiversion expression does not evaluate to a constant")); | |
2421 | demand_empty_rest_of_line (); | |
2422 | } | |
2423 | ||
005d79fd AM |
2424 | /* Parse a .gnu_attribute directive. */ |
2425 | static void | |
2426 | ppc_elf_gnu_attribute (int ignored ATTRIBUTE_UNUSED) | |
2427 | { | |
2428 | int tag = obj_elf_vendor_attribute (OBJ_ATTR_GNU); | |
2429 | ||
2430 | /* Check validity of defined powerpc tags. */ | |
2431 | if (tag == Tag_GNU_Power_ABI_FP | |
2432 | || tag == Tag_GNU_Power_ABI_Vector | |
2433 | || tag == Tag_GNU_Power_ABI_Struct_Return) | |
2434 | { | |
2435 | unsigned int val; | |
2436 | ||
2437 | val = bfd_elf_get_obj_attr_int (stdoutput, OBJ_ATTR_GNU, tag); | |
2438 | ||
2439 | if ((tag == Tag_GNU_Power_ABI_FP && val > 15) | |
2440 | || (tag == Tag_GNU_Power_ABI_Vector && val > 3) | |
2441 | || (tag == Tag_GNU_Power_ABI_Struct_Return && val > 2)) | |
2442 | as_warn (_("unknown .gnu_attribute value")); | |
2443 | } | |
2444 | } | |
2445 | ||
ee67d69a AM |
2446 | /* Set ABI version in output file. */ |
2447 | void | |
2448 | ppc_elf_end (void) | |
2449 | { | |
2450 | if (ppc_obj64 && ppc_abiversion != 0) | |
2451 | { | |
2452 | elf_elfheader (stdoutput)->e_flags &= ~EF_PPC64_ABI; | |
2453 | elf_elfheader (stdoutput)->e_flags |= ppc_abiversion & EF_PPC64_ABI; | |
2454 | } | |
2455 | } | |
2456 | ||
252b5132 RH |
2457 | /* Validate any relocations emitted for -mrelocatable, possibly adding |
2458 | fixups for word relocations in writable segments, so we can adjust | |
2459 | them at runtime. */ | |
2460 | static void | |
98027b10 | 2461 | ppc_elf_validate_fix (fixS *fixp, segT seg) |
252b5132 RH |
2462 | { |
2463 | if (fixp->fx_done || fixp->fx_pcrel) | |
2464 | return; | |
2465 | ||
2466 | switch (shlib) | |
2467 | { | |
2468 | case SHLIB_NONE: | |
2469 | case SHLIB_PIC: | |
2470 | return; | |
2471 | ||
5d6f4f16 | 2472 | case SHLIB_MRELOCATABLE: |
62ebcb5c | 2473 | if (fixp->fx_r_type != BFD_RELOC_16_GOTOFF |
252b5132 RH |
2474 | && fixp->fx_r_type != BFD_RELOC_HI16_GOTOFF |
2475 | && fixp->fx_r_type != BFD_RELOC_LO16_GOTOFF | |
2476 | && fixp->fx_r_type != BFD_RELOC_HI16_S_GOTOFF | |
1cfc59d5 | 2477 | && fixp->fx_r_type != BFD_RELOC_16_BASEREL |
252b5132 RH |
2478 | && fixp->fx_r_type != BFD_RELOC_LO16_BASEREL |
2479 | && fixp->fx_r_type != BFD_RELOC_HI16_BASEREL | |
2480 | && fixp->fx_r_type != BFD_RELOC_HI16_S_BASEREL | |
e138127a | 2481 | && (seg->flags & SEC_LOAD) != 0 |
252b5132 RH |
2482 | && strcmp (segment_name (seg), ".got2") != 0 |
2483 | && strcmp (segment_name (seg), ".dtors") != 0 | |
2484 | && strcmp (segment_name (seg), ".ctors") != 0 | |
2485 | && strcmp (segment_name (seg), ".fixup") != 0 | |
252b5132 RH |
2486 | && strcmp (segment_name (seg), ".gcc_except_table") != 0 |
2487 | && strcmp (segment_name (seg), ".eh_frame") != 0 | |
2488 | && strcmp (segment_name (seg), ".ex_shared") != 0) | |
2489 | { | |
2490 | if ((seg->flags & (SEC_READONLY | SEC_CODE)) != 0 | |
2491 | || fixp->fx_r_type != BFD_RELOC_CTOR) | |
2492 | { | |
2493 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
d6ed37ed | 2494 | _("relocation cannot be done when using -mrelocatable")); |
252b5132 RH |
2495 | } |
2496 | } | |
2497 | return; | |
2498 | } | |
2499 | } | |
0baf16f2 | 2500 | |
7e8d4ab4 AM |
2501 | /* Prevent elf_frob_file_before_adjust removing a weak undefined |
2502 | function descriptor sym if the corresponding code sym is used. */ | |
2503 | ||
2504 | void | |
98027b10 | 2505 | ppc_frob_file_before_adjust (void) |
0baf16f2 | 2506 | { |
7e8d4ab4 | 2507 | symbolS *symp; |
9232bbb0 | 2508 | asection *toc; |
0baf16f2 | 2509 | |
7e8d4ab4 AM |
2510 | if (!ppc_obj64) |
2511 | return; | |
2512 | ||
2513 | for (symp = symbol_rootP; symp; symp = symbol_next (symp)) | |
0baf16f2 | 2514 | { |
7e8d4ab4 AM |
2515 | const char *name; |
2516 | char *dotname; | |
2517 | symbolS *dotsym; | |
7e8d4ab4 AM |
2518 | |
2519 | name = S_GET_NAME (symp); | |
2520 | if (name[0] == '.') | |
2521 | continue; | |
2522 | ||
2523 | if (! S_IS_WEAK (symp) | |
2524 | || S_IS_DEFINED (symp)) | |
2525 | continue; | |
2526 | ||
a44e2901 | 2527 | dotname = concat (".", name, (char *) NULL); |
461b725f | 2528 | dotsym = symbol_find_noref (dotname, 1); |
7e8d4ab4 AM |
2529 | free (dotname); |
2530 | if (dotsym != NULL && (symbol_used_p (dotsym) | |
2531 | || symbol_used_in_reloc_p (dotsym))) | |
670ec21d NC |
2532 | symbol_mark_used (symp); |
2533 | ||
0baf16f2 AM |
2534 | } |
2535 | ||
9232bbb0 AM |
2536 | toc = bfd_get_section_by_name (stdoutput, ".toc"); |
2537 | if (toc != NULL | |
01efc3af | 2538 | && toc_reloc_types != has_large_toc_reloc |
9232bbb0 AM |
2539 | && bfd_section_size (stdoutput, toc) > 0x10000) |
2540 | as_warn (_("TOC section size exceeds 64k")); | |
a38a07e0 AM |
2541 | } |
2542 | ||
2543 | /* .TOC. used in an opd entry as .TOC.@tocbase doesn't need to be | |
2544 | emitted. Other uses of .TOC. will cause the symbol to be marked | |
2545 | with BSF_KEEP in md_apply_fix. */ | |
9232bbb0 | 2546 | |
a38a07e0 AM |
2547 | void |
2548 | ppc_elf_adjust_symtab (void) | |
2549 | { | |
2550 | if (ppc_obj64) | |
2551 | { | |
2552 | symbolS *symp; | |
2553 | symp = symbol_find (".TOC."); | |
2554 | if (symp != NULL) | |
2555 | { | |
2556 | asymbol *bsym = symbol_get_bfdsym (symp); | |
2557 | if ((bsym->flags & BSF_KEEP) == 0) | |
2558 | symbol_remove (symp, &symbol_rootP, &symbol_lastP); | |
a38a07e0 AM |
2559 | } |
2560 | } | |
0baf16f2 | 2561 | } |
252b5132 RH |
2562 | #endif /* OBJ_ELF */ |
2563 | \f | |
2564 | #ifdef TE_PE | |
2565 | ||
2566 | /* | |
99a814a1 | 2567 | * Summary of parse_toc_entry. |
252b5132 RH |
2568 | * |
2569 | * in: Input_line_pointer points to the '[' in one of: | |
2570 | * | |
2571 | * [toc] [tocv] [toc32] [toc64] | |
2572 | * | |
2573 | * Anything else is an error of one kind or another. | |
2574 | * | |
81d4177b | 2575 | * out: |
252b5132 RH |
2576 | * return value: success or failure |
2577 | * toc_kind: kind of toc reference | |
2578 | * input_line_pointer: | |
2579 | * success: first char after the ']' | |
2580 | * failure: unchanged | |
2581 | * | |
2582 | * settings: | |
2583 | * | |
2584 | * [toc] - rv == success, toc_kind = default_toc | |
2585 | * [tocv] - rv == success, toc_kind = data_in_toc | |
2586 | * [toc32] - rv == success, toc_kind = must_be_32 | |
2587 | * [toc64] - rv == success, toc_kind = must_be_64 | |
2588 | * | |
2589 | */ | |
2590 | ||
81d4177b KH |
2591 | enum toc_size_qualifier |
2592 | { | |
252b5132 RH |
2593 | default_toc, /* The toc cell constructed should be the system default size */ |
2594 | data_in_toc, /* This is a direct reference to a toc cell */ | |
2595 | must_be_32, /* The toc cell constructed must be 32 bits wide */ | |
2596 | must_be_64 /* The toc cell constructed must be 64 bits wide */ | |
2597 | }; | |
2598 | ||
2599 | static int | |
98027b10 | 2600 | parse_toc_entry (enum toc_size_qualifier *toc_kind) |
252b5132 RH |
2601 | { |
2602 | char *start; | |
2603 | char *toc_spec; | |
2604 | char c; | |
2605 | enum toc_size_qualifier t; | |
2606 | ||
99a814a1 | 2607 | /* Save the input_line_pointer. */ |
252b5132 RH |
2608 | start = input_line_pointer; |
2609 | ||
99a814a1 | 2610 | /* Skip over the '[' , and whitespace. */ |
252b5132 RH |
2611 | ++input_line_pointer; |
2612 | SKIP_WHITESPACE (); | |
81d4177b | 2613 | |
99a814a1 | 2614 | /* Find the spelling of the operand. */ |
d02603dc | 2615 | c = get_symbol_name (&toc_spec); |
252b5132 | 2616 | |
99a814a1 | 2617 | if (strcmp (toc_spec, "toc") == 0) |
252b5132 RH |
2618 | { |
2619 | t = default_toc; | |
2620 | } | |
99a814a1 | 2621 | else if (strcmp (toc_spec, "tocv") == 0) |
252b5132 RH |
2622 | { |
2623 | t = data_in_toc; | |
2624 | } | |
99a814a1 | 2625 | else if (strcmp (toc_spec, "toc32") == 0) |
252b5132 RH |
2626 | { |
2627 | t = must_be_32; | |
2628 | } | |
99a814a1 | 2629 | else if (strcmp (toc_spec, "toc64") == 0) |
252b5132 RH |
2630 | { |
2631 | t = must_be_64; | |
2632 | } | |
2633 | else | |
2634 | { | |
2635 | as_bad (_("syntax error: invalid toc specifier `%s'"), toc_spec); | |
99a814a1 AM |
2636 | *input_line_pointer = c; |
2637 | input_line_pointer = start; | |
252b5132 RH |
2638 | return 0; |
2639 | } | |
2640 | ||
99a814a1 AM |
2641 | /* Now find the ']'. */ |
2642 | *input_line_pointer = c; | |
252b5132 | 2643 | |
d02603dc | 2644 | SKIP_WHITESPACE_AFTER_NAME (); /* leading whitespace could be there. */ |
81d4177b | 2645 | c = *input_line_pointer++; /* input_line_pointer->past char in c. */ |
252b5132 RH |
2646 | |
2647 | if (c != ']') | |
2648 | { | |
2649 | as_bad (_("syntax error: expected `]', found `%c'"), c); | |
99a814a1 | 2650 | input_line_pointer = start; |
252b5132 RH |
2651 | return 0; |
2652 | } | |
2653 | ||
99a814a1 | 2654 | *toc_kind = t; |
252b5132 RH |
2655 | return 1; |
2656 | } | |
2657 | #endif | |
3b8b57a9 | 2658 | |
3e60bf4d | 2659 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
3b8b57a9 AM |
2660 | /* See whether a symbol is in the TOC section. */ |
2661 | ||
2662 | static int | |
2663 | ppc_is_toc_sym (symbolS *sym) | |
2664 | { | |
3e60bf4d | 2665 | #ifdef OBJ_XCOFF |
9f6e76f4 TG |
2666 | return (symbol_get_tc (sym)->symbol_class == XMC_TC |
2667 | || symbol_get_tc (sym)->symbol_class == XMC_TC0); | |
f50c47f1 | 2668 | #endif |
3e60bf4d AM |
2669 | #ifdef OBJ_ELF |
2670 | const char *sname = segment_name (S_GET_SEGMENT (sym)); | |
2671 | if (ppc_obj64) | |
2672 | return strcmp (sname, ".toc") == 0; | |
2673 | else | |
2674 | return strcmp (sname, ".got") == 0; | |
2675 | #endif | |
2676 | } | |
2677 | #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */ | |
252b5132 RH |
2678 | \f |
2679 | ||
dc1d03fc | 2680 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
2681 | #define APUID(a,v) ((((a) & 0xffff) << 16) | ((v) & 0xffff)) |
2682 | static void | |
98027b10 | 2683 | ppc_apuinfo_section_add (unsigned int apu, unsigned int version) |
6a0c61b7 EZ |
2684 | { |
2685 | unsigned int i; | |
2686 | ||
2687 | /* Check we don't already exist. */ | |
2688 | for (i = 0; i < ppc_apuinfo_num; i++) | |
dc1d03fc | 2689 | if (ppc_apuinfo_list[i] == APUID (apu, version)) |
6a0c61b7 | 2690 | return; |
b34976b6 | 2691 | |
6a0c61b7 EZ |
2692 | if (ppc_apuinfo_num == ppc_apuinfo_num_alloc) |
2693 | { | |
2694 | if (ppc_apuinfo_num_alloc == 0) | |
2695 | { | |
2696 | ppc_apuinfo_num_alloc = 4; | |
325801bd | 2697 | ppc_apuinfo_list = XNEWVEC (unsigned long, ppc_apuinfo_num_alloc); |
6a0c61b7 EZ |
2698 | } |
2699 | else | |
2700 | { | |
2701 | ppc_apuinfo_num_alloc += 4; | |
325801bd TS |
2702 | ppc_apuinfo_list = XRESIZEVEC (unsigned long, ppc_apuinfo_list, |
2703 | ppc_apuinfo_num_alloc); | |
6a0c61b7 EZ |
2704 | } |
2705 | } | |
dc1d03fc | 2706 | ppc_apuinfo_list[ppc_apuinfo_num++] = APUID (apu, version); |
6a0c61b7 EZ |
2707 | } |
2708 | #undef APUID | |
dc1d03fc | 2709 | #endif |
6a0c61b7 EZ |
2710 | \f |
2711 | ||
252b5132 RH |
2712 | /* We need to keep a list of fixups. We can't simply generate them as |
2713 | we go, because that would require us to first create the frag, and | |
2714 | that would screw up references to ``.''. */ | |
2715 | ||
2716 | struct ppc_fixup | |
2717 | { | |
2718 | expressionS exp; | |
2719 | int opindex; | |
2720 | bfd_reloc_code_real_type reloc; | |
2721 | }; | |
2722 | ||
2723 | #define MAX_INSN_FIXUPS (5) | |
2724 | ||
2725 | /* This routine is called for each instruction to be assembled. */ | |
2726 | ||
2727 | void | |
98027b10 | 2728 | md_assemble (char *str) |
252b5132 RH |
2729 | { |
2730 | char *s; | |
2731 | const struct powerpc_opcode *opcode; | |
2732 | unsigned long insn; | |
2733 | const unsigned char *opindex_ptr; | |
2734 | int skip_optional; | |
2735 | int need_paren; | |
2736 | int next_opindex; | |
2737 | struct ppc_fixup fixups[MAX_INSN_FIXUPS]; | |
2738 | int fc; | |
2739 | char *f; | |
09b935ac | 2740 | int addr_mod; |
252b5132 | 2741 | int i; |
b9c361e0 | 2742 | unsigned int insn_length; |
252b5132 RH |
2743 | |
2744 | /* Get the opcode. */ | |
3882b010 | 2745 | for (s = str; *s != '\0' && ! ISSPACE (*s); s++) |
252b5132 RH |
2746 | ; |
2747 | if (*s != '\0') | |
2748 | *s++ = '\0'; | |
2749 | ||
2750 | /* Look up the opcode in the hash table. */ | |
2751 | opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, str); | |
2752 | if (opcode == (const struct powerpc_opcode *) NULL) | |
2753 | { | |
2754 | const struct powerpc_macro *macro; | |
2755 | ||
2756 | macro = (const struct powerpc_macro *) hash_find (ppc_macro_hash, str); | |
2757 | if (macro == (const struct powerpc_macro *) NULL) | |
d6ed37ed | 2758 | as_bad (_("unrecognized opcode: `%s'"), str); |
252b5132 RH |
2759 | else |
2760 | ppc_macro (s, macro); | |
2761 | ||
2762 | return; | |
2763 | } | |
2764 | ||
2765 | insn = opcode->opcode; | |
2766 | ||
2767 | str = s; | |
3882b010 | 2768 | while (ISSPACE (*str)) |
252b5132 RH |
2769 | ++str; |
2770 | ||
2771 | /* PowerPC operands are just expressions. The only real issue is | |
2772 | that a few operand types are optional. All cases which might use | |
1f6c9eb0 ZW |
2773 | an optional operand separate the operands only with commas (in some |
2774 | cases parentheses are used, as in ``lwz 1,0(1)'' but such cases never | |
2775 | have optional operands). Most instructions with optional operands | |
2776 | have only one. Those that have more than one optional operand can | |
2777 | take either all their operands or none. So, before we start seriously | |
2778 | parsing the operands, we check to see if we have optional operands, | |
2779 | and if we do, we count the number of commas to see which operands | |
2780 | have been omitted. */ | |
252b5132 RH |
2781 | skip_optional = 0; |
2782 | for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++) | |
2783 | { | |
2784 | const struct powerpc_operand *operand; | |
2785 | ||
2786 | operand = &powerpc_operands[*opindex_ptr]; | |
a5721ba2 AM |
2787 | if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0 |
2788 | && !((operand->flags & PPC_OPERAND_OPTIONAL32) != 0 && ppc_obj64)) | |
252b5132 RH |
2789 | { |
2790 | unsigned int opcount; | |
7fe9cf6b | 2791 | unsigned int num_operands_expected; |
252b5132 RH |
2792 | |
2793 | /* There is an optional operand. Count the number of | |
2794 | commas in the input line. */ | |
2795 | if (*str == '\0') | |
2796 | opcount = 0; | |
2797 | else | |
2798 | { | |
2799 | opcount = 1; | |
2800 | s = str; | |
2801 | while ((s = strchr (s, ',')) != (char *) NULL) | |
2802 | { | |
2803 | ++opcount; | |
2804 | ++s; | |
2805 | } | |
2806 | } | |
2807 | ||
7fe9cf6b NC |
2808 | /* Compute the number of expected operands. |
2809 | Do not count fake operands. */ | |
2810 | for (num_operands_expected = 0, i = 0; opcode->operands[i]; i ++) | |
2811 | if ((powerpc_operands [opcode->operands[i]].flags & PPC_OPERAND_FAKE) == 0) | |
2812 | ++ num_operands_expected; | |
2813 | ||
252b5132 RH |
2814 | /* If there are fewer operands in the line then are called |
2815 | for by the instruction, we want to skip the optional | |
1f6c9eb0 | 2816 | operands. */ |
7fe9cf6b | 2817 | if (opcount < num_operands_expected) |
252b5132 RH |
2818 | skip_optional = 1; |
2819 | ||
2820 | break; | |
2821 | } | |
2822 | } | |
2823 | ||
2824 | /* Gather the operands. */ | |
2825 | need_paren = 0; | |
2826 | next_opindex = 0; | |
2827 | fc = 0; | |
2828 | for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++) | |
2829 | { | |
2830 | const struct powerpc_operand *operand; | |
2831 | const char *errmsg; | |
2832 | char *hold; | |
2833 | expressionS ex; | |
2834 | char endc; | |
2835 | ||
2836 | if (next_opindex == 0) | |
2837 | operand = &powerpc_operands[*opindex_ptr]; | |
2838 | else | |
2839 | { | |
2840 | operand = &powerpc_operands[next_opindex]; | |
2841 | next_opindex = 0; | |
2842 | } | |
252b5132 RH |
2843 | errmsg = NULL; |
2844 | ||
2845 | /* If this is a fake operand, then we do not expect anything | |
2846 | from the input. */ | |
2847 | if ((operand->flags & PPC_OPERAND_FAKE) != 0) | |
2848 | { | |
2b3c4602 | 2849 | insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg); |
252b5132 | 2850 | if (errmsg != (const char *) NULL) |
ee2c9aa9 | 2851 | as_bad ("%s", errmsg); |
252b5132 RH |
2852 | continue; |
2853 | } | |
2854 | ||
2855 | /* If this is an optional operand, and we are skipping it, just | |
2856 | insert a zero. */ | |
2857 | if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0 | |
a5721ba2 | 2858 | && !((operand->flags & PPC_OPERAND_OPTIONAL32) != 0 && ppc_obj64) |
252b5132 RH |
2859 | && skip_optional) |
2860 | { | |
11a0cf2e | 2861 | long val = ppc_optional_operand_value (operand); |
252b5132 RH |
2862 | if (operand->insert) |
2863 | { | |
11a0cf2e | 2864 | insn = (*operand->insert) (insn, val, ppc_cpu, &errmsg); |
252b5132 | 2865 | if (errmsg != (const char *) NULL) |
ee2c9aa9 | 2866 | as_bad ("%s", errmsg); |
252b5132 | 2867 | } |
11a0cf2e PB |
2868 | else if (operand->shift >= 0) |
2869 | insn |= ((long) val & operand->bitm) << operand->shift; | |
2870 | else | |
2871 | insn |= ((long) val & operand->bitm) >> -operand->shift; | |
2872 | ||
252b5132 RH |
2873 | if ((operand->flags & PPC_OPERAND_NEXT) != 0) |
2874 | next_opindex = *opindex_ptr + 1; | |
2875 | continue; | |
2876 | } | |
2877 | ||
2878 | /* Gather the operand. */ | |
2879 | hold = input_line_pointer; | |
2880 | input_line_pointer = str; | |
2881 | ||
2882 | #ifdef TE_PE | |
81d4177b | 2883 | if (*input_line_pointer == '[') |
252b5132 RH |
2884 | { |
2885 | /* We are expecting something like the second argument here: | |
99a814a1 AM |
2886 | * |
2887 | * lwz r4,[toc].GS.0.static_int(rtoc) | |
2888 | * ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |
2889 | * The argument following the `]' must be a symbol name, and the | |
2890 | * register must be the toc register: 'rtoc' or '2' | |
2891 | * | |
2892 | * The effect is to 0 as the displacement field | |
2893 | * in the instruction, and issue an IMAGE_REL_PPC_TOCREL16 (or | |
2894 | * the appropriate variation) reloc against it based on the symbol. | |
2895 | * The linker will build the toc, and insert the resolved toc offset. | |
2896 | * | |
2897 | * Note: | |
2898 | * o The size of the toc entry is currently assumed to be | |
2899 | * 32 bits. This should not be assumed to be a hard coded | |
2900 | * number. | |
2901 | * o In an effort to cope with a change from 32 to 64 bits, | |
2902 | * there are also toc entries that are specified to be | |
2903 | * either 32 or 64 bits: | |
2904 | * lwz r4,[toc32].GS.0.static_int(rtoc) | |
2905 | * lwz r4,[toc64].GS.0.static_int(rtoc) | |
2906 | * These demand toc entries of the specified size, and the | |
2907 | * instruction probably requires it. | |
2908 | */ | |
252b5132 RH |
2909 | |
2910 | int valid_toc; | |
2911 | enum toc_size_qualifier toc_kind; | |
2912 | bfd_reloc_code_real_type toc_reloc; | |
2913 | ||
99a814a1 AM |
2914 | /* Go parse off the [tocXX] part. */ |
2915 | valid_toc = parse_toc_entry (&toc_kind); | |
252b5132 | 2916 | |
81d4177b | 2917 | if (!valid_toc) |
252b5132 | 2918 | { |
a5840dce AM |
2919 | ignore_rest_of_line (); |
2920 | break; | |
252b5132 RH |
2921 | } |
2922 | ||
99a814a1 AM |
2923 | /* Now get the symbol following the ']'. */ |
2924 | expression (&ex); | |
252b5132 RH |
2925 | |
2926 | switch (toc_kind) | |
2927 | { | |
2928 | case default_toc: | |
99a814a1 AM |
2929 | /* In this case, we may not have seen the symbol yet, |
2930 | since it is allowed to appear on a .extern or .globl | |
2931 | or just be a label in the .data section. */ | |
252b5132 RH |
2932 | toc_reloc = BFD_RELOC_PPC_TOC16; |
2933 | break; | |
2934 | case data_in_toc: | |
99a814a1 AM |
2935 | /* 1. The symbol must be defined and either in the toc |
2936 | section, or a global. | |
2937 | 2. The reloc generated must have the TOCDEFN flag set | |
2938 | in upper bit mess of the reloc type. | |
2939 | FIXME: It's a little confusing what the tocv | |
2940 | qualifier can be used for. At the very least, I've | |
2941 | seen three uses, only one of which I'm sure I can | |
2942 | explain. */ | |
81d4177b KH |
2943 | if (ex.X_op == O_symbol) |
2944 | { | |
9c2799c2 | 2945 | gas_assert (ex.X_add_symbol != NULL); |
fed9b18a ILT |
2946 | if (symbol_get_bfdsym (ex.X_add_symbol)->section |
2947 | != tocdata_section) | |
252b5132 | 2948 | { |
99a814a1 | 2949 | as_bad (_("[tocv] symbol is not a toc symbol")); |
252b5132 RH |
2950 | } |
2951 | } | |
2952 | ||
2953 | toc_reloc = BFD_RELOC_PPC_TOC16; | |
2954 | break; | |
2955 | case must_be_32: | |
99a814a1 AM |
2956 | /* FIXME: these next two specifically specify 32/64 bit |
2957 | toc entries. We don't support them today. Is this | |
2958 | the right way to say that? */ | |
62ebcb5c | 2959 | toc_reloc = BFD_RELOC_NONE; |
d6ed37ed | 2960 | as_bad (_("unimplemented toc32 expression modifier")); |
252b5132 RH |
2961 | break; |
2962 | case must_be_64: | |
99a814a1 | 2963 | /* FIXME: see above. */ |
62ebcb5c | 2964 | toc_reloc = BFD_RELOC_NONE; |
d6ed37ed | 2965 | as_bad (_("unimplemented toc64 expression modifier")); |
252b5132 RH |
2966 | break; |
2967 | default: | |
bc805888 | 2968 | fprintf (stderr, |
99a814a1 AM |
2969 | _("Unexpected return value [%d] from parse_toc_entry!\n"), |
2970 | toc_kind); | |
bc805888 | 2971 | abort (); |
252b5132 RH |
2972 | break; |
2973 | } | |
2974 | ||
2975 | /* We need to generate a fixup for this expression. */ | |
2976 | if (fc >= MAX_INSN_FIXUPS) | |
2977 | as_fatal (_("too many fixups")); | |
2978 | ||
2979 | fixups[fc].reloc = toc_reloc; | |
2980 | fixups[fc].exp = ex; | |
2981 | fixups[fc].opindex = *opindex_ptr; | |
2982 | ++fc; | |
2983 | ||
99a814a1 AM |
2984 | /* Ok. We've set up the fixup for the instruction. Now make it |
2985 | look like the constant 0 was found here. */ | |
252b5132 RH |
2986 | ex.X_unsigned = 1; |
2987 | ex.X_op = O_constant; | |
2988 | ex.X_add_number = 0; | |
2989 | ex.X_add_symbol = NULL; | |
2990 | ex.X_op_symbol = NULL; | |
2991 | } | |
2992 | ||
2993 | else | |
2994 | #endif /* TE_PE */ | |
2995 | { | |
b9c361e0 JL |
2996 | if ((reg_names_p |
2997 | && (((operand->flags & PPC_OPERAND_CR_BIT) != 0) | |
2998 | || ((operand->flags & PPC_OPERAND_CR_REG) != 0))) | |
2ad068be | 2999 | || !register_name (&ex)) |
252b5132 | 3000 | { |
13abbae3 AM |
3001 | char save_lex = lex_type['%']; |
3002 | ||
b9c361e0 JL |
3003 | if (((operand->flags & PPC_OPERAND_CR_REG) != 0) |
3004 | || (operand->flags & PPC_OPERAND_CR_BIT) != 0) | |
13abbae3 AM |
3005 | { |
3006 | cr_operand = TRUE; | |
3007 | lex_type['%'] |= LEX_BEGIN_NAME; | |
3008 | } | |
252b5132 | 3009 | expression (&ex); |
b34976b6 | 3010 | cr_operand = FALSE; |
13abbae3 | 3011 | lex_type['%'] = save_lex; |
252b5132 RH |
3012 | } |
3013 | } | |
3014 | ||
3015 | str = input_line_pointer; | |
3016 | input_line_pointer = hold; | |
3017 | ||
3018 | if (ex.X_op == O_illegal) | |
3019 | as_bad (_("illegal operand")); | |
3020 | else if (ex.X_op == O_absent) | |
3021 | as_bad (_("missing operand")); | |
3022 | else if (ex.X_op == O_register) | |
3023 | { | |
7e0de605 AM |
3024 | if ((ex.X_md |
3025 | & ~operand->flags | |
3026 | & (PPC_OPERAND_GPR | PPC_OPERAND_FPR | PPC_OPERAND_VR | |
3027 | | PPC_OPERAND_VSR | PPC_OPERAND_CR_BIT | PPC_OPERAND_CR_REG | |
3028 | | PPC_OPERAND_SPR | PPC_OPERAND_GQR)) != 0 | |
3029 | && !((ex.X_md & PPC_OPERAND_GPR) != 0 | |
3030 | && ex.X_add_number != 0 | |
3031 | && (operand->flags & PPC_OPERAND_GPR_0) != 0)) | |
ece5dcc1 | 3032 | as_warn (_("invalid register expression")); |
7e0de605 | 3033 | insn = ppc_insert_operand (insn, operand, ex.X_add_number & 0xff, |
783de163 | 3034 | ppc_cpu, (char *) NULL, 0); |
252b5132 RH |
3035 | } |
3036 | else if (ex.X_op == O_constant) | |
3037 | { | |
3038 | #ifdef OBJ_ELF | |
81d4177b | 3039 | /* Allow @HA, @L, @H on constants. */ |
3b8b57a9 | 3040 | bfd_reloc_code_real_type reloc; |
252b5132 RH |
3041 | char *orig_str = str; |
3042 | ||
62ebcb5c | 3043 | if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_NONE) |
252b5132 RH |
3044 | switch (reloc) |
3045 | { | |
3046 | default: | |
3047 | str = orig_str; | |
3048 | break; | |
3049 | ||
3050 | case BFD_RELOC_LO16: | |
f9c6b907 AM |
3051 | ex.X_add_number &= 0xffff; |
3052 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
0baf16f2 | 3053 | ex.X_add_number = SEX16 (ex.X_add_number); |
252b5132 RH |
3054 | break; |
3055 | ||
3056 | case BFD_RELOC_HI16: | |
f9c6b907 AM |
3057 | if (REPORT_OVERFLOW_HI && ppc_obj64) |
3058 | { | |
3059 | /* PowerPC64 @h is tested for overflow. */ | |
3060 | ex.X_add_number = (addressT) ex.X_add_number >> 16; | |
3061 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
3062 | { | |
3063 | addressT sign = (((addressT) -1 >> 16) + 1) >> 1; | |
3064 | ex.X_add_number | |
3065 | = ((addressT) ex.X_add_number ^ sign) - sign; | |
3066 | } | |
3067 | break; | |
3068 | } | |
2b0f3761 | 3069 | /* Fallthru */ |
f9c6b907 AM |
3070 | |
3071 | case BFD_RELOC_PPC64_ADDR16_HIGH: | |
3072 | ex.X_add_number = PPC_HI (ex.X_add_number); | |
3073 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
3074 | ex.X_add_number = SEX16 (ex.X_add_number); | |
252b5132 RH |
3075 | break; |
3076 | ||
3077 | case BFD_RELOC_HI16_S: | |
f9c6b907 AM |
3078 | if (REPORT_OVERFLOW_HI && ppc_obj64) |
3079 | { | |
3080 | /* PowerPC64 @ha is tested for overflow. */ | |
3081 | ex.X_add_number | |
3082 | = ((addressT) ex.X_add_number + 0x8000) >> 16; | |
3083 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
3084 | { | |
3085 | addressT sign = (((addressT) -1 >> 16) + 1) >> 1; | |
3086 | ex.X_add_number | |
3087 | = ((addressT) ex.X_add_number ^ sign) - sign; | |
3088 | } | |
3089 | break; | |
3090 | } | |
2b0f3761 | 3091 | /* Fallthru */ |
f9c6b907 AM |
3092 | |
3093 | case BFD_RELOC_PPC64_ADDR16_HIGHA: | |
3094 | ex.X_add_number = PPC_HA (ex.X_add_number); | |
3095 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
3096 | ex.X_add_number = SEX16 (ex.X_add_number); | |
0baf16f2 AM |
3097 | break; |
3098 | ||
0baf16f2 | 3099 | case BFD_RELOC_PPC64_HIGHER: |
f9c6b907 AM |
3100 | ex.X_add_number = PPC_HIGHER (ex.X_add_number); |
3101 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
3102 | ex.X_add_number = SEX16 (ex.X_add_number); | |
0baf16f2 AM |
3103 | break; |
3104 | ||
3105 | case BFD_RELOC_PPC64_HIGHER_S: | |
f9c6b907 AM |
3106 | ex.X_add_number = PPC_HIGHERA (ex.X_add_number); |
3107 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
3108 | ex.X_add_number = SEX16 (ex.X_add_number); | |
252b5132 | 3109 | break; |
0baf16f2 AM |
3110 | |
3111 | case BFD_RELOC_PPC64_HIGHEST: | |
f9c6b907 AM |
3112 | ex.X_add_number = PPC_HIGHEST (ex.X_add_number); |
3113 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
3114 | ex.X_add_number = SEX16 (ex.X_add_number); | |
0baf16f2 AM |
3115 | break; |
3116 | ||
3117 | case BFD_RELOC_PPC64_HIGHEST_S: | |
f9c6b907 AM |
3118 | ex.X_add_number = PPC_HIGHESTA (ex.X_add_number); |
3119 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
3120 | ex.X_add_number = SEX16 (ex.X_add_number); | |
0baf16f2 | 3121 | break; |
252b5132 | 3122 | } |
0baf16f2 | 3123 | #endif /* OBJ_ELF */ |
252b5132 | 3124 | insn = ppc_insert_operand (insn, operand, ex.X_add_number, |
783de163 | 3125 | ppc_cpu, (char *) NULL, 0); |
252b5132 | 3126 | } |
727fc41e | 3127 | else |
252b5132 | 3128 | { |
62ebcb5c | 3129 | bfd_reloc_code_real_type reloc = BFD_RELOC_NONE; |
3b8b57a9 | 3130 | #ifdef OBJ_ELF |
727fc41e | 3131 | if (ex.X_op == O_symbol && str[0] == '(') |
cdba85ec | 3132 | { |
727fc41e AM |
3133 | const char *sym_name = S_GET_NAME (ex.X_add_symbol); |
3134 | if (sym_name[0] == '.') | |
3135 | ++sym_name; | |
cdba85ec | 3136 | |
727fc41e | 3137 | if (strcasecmp (sym_name, "__tls_get_addr") == 0) |
252b5132 | 3138 | { |
727fc41e AM |
3139 | expressionS tls_exp; |
3140 | ||
3141 | hold = input_line_pointer; | |
3142 | input_line_pointer = str + 1; | |
3143 | expression (&tls_exp); | |
3144 | if (tls_exp.X_op == O_symbol) | |
3145 | { | |
62ebcb5c | 3146 | reloc = BFD_RELOC_NONE; |
727fc41e AM |
3147 | if (strncasecmp (input_line_pointer, "@tlsgd)", 7) == 0) |
3148 | { | |
3149 | reloc = BFD_RELOC_PPC_TLSGD; | |
3150 | input_line_pointer += 7; | |
3151 | } | |
3152 | else if (strncasecmp (input_line_pointer, "@tlsld)", 7) == 0) | |
3153 | { | |
3154 | reloc = BFD_RELOC_PPC_TLSLD; | |
3155 | input_line_pointer += 7; | |
3156 | } | |
62ebcb5c | 3157 | if (reloc != BFD_RELOC_NONE) |
727fc41e AM |
3158 | { |
3159 | SKIP_WHITESPACE (); | |
3160 | str = input_line_pointer; | |
3161 | ||
3162 | if (fc >= MAX_INSN_FIXUPS) | |
3163 | as_fatal (_("too many fixups")); | |
3164 | fixups[fc].exp = tls_exp; | |
3165 | fixups[fc].opindex = *opindex_ptr; | |
3166 | fixups[fc].reloc = reloc; | |
3167 | ++fc; | |
3168 | } | |
3169 | } | |
3170 | input_line_pointer = hold; | |
252b5132 RH |
3171 | } |
3172 | } | |
3173 | ||
62ebcb5c | 3174 | if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_NONE) |
0baf16f2 | 3175 | { |
727fc41e | 3176 | /* Some TLS tweaks. */ |
0baf16f2 AM |
3177 | switch (reloc) |
3178 | { | |
727fc41e | 3179 | default: |
cdba85ec | 3180 | break; |
727fc41e AM |
3181 | |
3182 | case BFD_RELOC_PPC_TLS: | |
2d0f3896 AM |
3183 | if (!_bfd_elf_ppc_at_tls_transform (opcode->opcode, 0)) |
3184 | as_bad (_("@tls may not be used with \"%s\" operands"), | |
3185 | opcode->name); | |
3186 | else if (operand->shift != 11) | |
3187 | as_bad (_("@tls may only be used in last operand")); | |
3188 | else | |
3189 | insn = ppc_insert_operand (insn, operand, | |
3190 | ppc_obj64 ? 13 : 2, | |
3191 | ppc_cpu, (char *) NULL, 0); | |
cdba85ec | 3192 | break; |
727fc41e AM |
3193 | |
3194 | /* We'll only use the 32 (or 64) bit form of these relocations | |
3195 | in constants. Instructions get the 16 bit form. */ | |
3196 | case BFD_RELOC_PPC_DTPREL: | |
3197 | reloc = BFD_RELOC_PPC_DTPREL16; | |
cdba85ec | 3198 | break; |
727fc41e AM |
3199 | case BFD_RELOC_PPC_TPREL: |
3200 | reloc = BFD_RELOC_PPC_TPREL16; | |
0baf16f2 AM |
3201 | break; |
3202 | } | |
727fc41e | 3203 | |
a680de9a PB |
3204 | /* addpcis. */ |
3205 | if (opcode->opcode == (19 << 26) + (2 << 1) | |
3206 | && reloc == BFD_RELOC_HI16_S) | |
7ba71655 | 3207 | reloc = BFD_RELOC_PPC_16DX_HA; |
a680de9a | 3208 | |
b9c361e0 JL |
3209 | /* If VLE-mode convert LO/HI/HA relocations. */ |
3210 | if (opcode->flags & PPC_OPCODE_VLE) | |
3211 | { | |
3212 | int tmp_insn = insn & opcode->mask; | |
3739860c | 3213 | |
08dc996f | 3214 | int use_a_reloc = (tmp_insn == E_OR2I_INSN |
b9c361e0 JL |
3215 | || tmp_insn == E_AND2I_DOT_INSN |
3216 | || tmp_insn == E_OR2IS_INSN | |
3217 | || tmp_insn == E_LIS_INSN | |
3218 | || tmp_insn == E_AND2IS_DOT_INSN); | |
3219 | ||
3220 | ||
08dc996f | 3221 | int use_d_reloc = (tmp_insn == E_ADD2I_DOT_INSN |
b9c361e0 JL |
3222 | || tmp_insn == E_ADD2IS_INSN |
3223 | || tmp_insn == E_CMP16I_INSN | |
3224 | || tmp_insn == E_MULL2I_INSN | |
3225 | || tmp_insn == E_CMPL16I_INSN | |
3226 | || tmp_insn == E_CMPH16I_INSN | |
3227 | || tmp_insn == E_CMPHL16I_INSN); | |
3228 | ||
3229 | switch (reloc) | |
3230 | { | |
3231 | default: | |
3232 | break; | |
3233 | ||
3234 | case BFD_RELOC_PPC_EMB_SDA21: | |
3235 | reloc = BFD_RELOC_PPC_VLE_SDA21; | |
3236 | break; | |
3237 | ||
3238 | case BFD_RELOC_LO16: | |
3239 | if (use_d_reloc) | |
3240 | reloc = BFD_RELOC_PPC_VLE_LO16D; | |
3241 | else if (use_a_reloc) | |
3242 | reloc = BFD_RELOC_PPC_VLE_LO16A; | |
3243 | break; | |
3244 | ||
3245 | case BFD_RELOC_HI16: | |
3246 | if (use_d_reloc) | |
3247 | reloc = BFD_RELOC_PPC_VLE_HI16D; | |
3248 | else if (use_a_reloc) | |
3249 | reloc = BFD_RELOC_PPC_VLE_HI16A; | |
3250 | break; | |
3739860c | 3251 | |
b9c361e0 JL |
3252 | case BFD_RELOC_HI16_S: |
3253 | if (use_d_reloc) | |
3254 | reloc = BFD_RELOC_PPC_VLE_HA16D; | |
3255 | else if (use_a_reloc) | |
3256 | reloc = BFD_RELOC_PPC_VLE_HA16A; | |
3257 | break; | |
3258 | ||
3259 | case BFD_RELOC_PPC_VLE_SDAREL_LO16A: | |
3260 | if (use_d_reloc) | |
3261 | reloc = BFD_RELOC_PPC_VLE_SDAREL_LO16D; | |
3262 | break; | |
3263 | ||
3264 | case BFD_RELOC_PPC_VLE_SDAREL_HI16A: | |
3265 | if (use_d_reloc) | |
3266 | reloc = BFD_RELOC_PPC_VLE_SDAREL_HI16D; | |
3267 | break; | |
3268 | ||
3269 | case BFD_RELOC_PPC_VLE_SDAREL_HA16A: | |
3270 | if (use_d_reloc) | |
3271 | reloc = BFD_RELOC_PPC_VLE_SDAREL_HA16D; | |
3272 | break; | |
3273 | } | |
3274 | } | |
0baf16f2 | 3275 | } |
3b8b57a9 AM |
3276 | #endif /* OBJ_ELF */ |
3277 | ||
62ebcb5c | 3278 | if (reloc != BFD_RELOC_NONE) |
3b8b57a9 AM |
3279 | ; |
3280 | /* Determine a BFD reloc value based on the operand information. | |
3281 | We are only prepared to turn a few of the operands into | |
3282 | relocs. */ | |
a0593ad9 AM |
3283 | else if ((operand->flags & (PPC_OPERAND_RELATIVE |
3284 | | PPC_OPERAND_ABSOLUTE)) != 0 | |
3b8b57a9 AM |
3285 | && operand->bitm == 0x3fffffc |
3286 | && operand->shift == 0) | |
3287 | reloc = BFD_RELOC_PPC_B26; | |
a0593ad9 AM |
3288 | else if ((operand->flags & (PPC_OPERAND_RELATIVE |
3289 | | PPC_OPERAND_ABSOLUTE)) != 0 | |
3b8b57a9 AM |
3290 | && operand->bitm == 0xfffc |
3291 | && operand->shift == 0) | |
3292 | reloc = BFD_RELOC_PPC_B16; | |
3293 | else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 | |
3294 | && operand->bitm == 0x1fe | |
3295 | && operand->shift == -1) | |
3296 | reloc = BFD_RELOC_PPC_VLE_REL8; | |
3297 | else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 | |
3298 | && operand->bitm == 0xfffe | |
3299 | && operand->shift == 0) | |
3300 | reloc = BFD_RELOC_PPC_VLE_REL15; | |
3301 | else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 | |
3302 | && operand->bitm == 0x1fffffe | |
3303 | && operand->shift == 0) | |
3304 | reloc = BFD_RELOC_PPC_VLE_REL24; | |
a0593ad9 | 3305 | else if ((operand->flags & PPC_OPERAND_NEGATIVE) == 0 |
3b8b57a9 AM |
3306 | && (operand->bitm & 0xfff0) == 0xfff0 |
3307 | && operand->shift == 0) | |
3308 | { | |
f50c47f1 | 3309 | reloc = BFD_RELOC_16; |
3e60bf4d | 3310 | #if defined OBJ_XCOFF || defined OBJ_ELF |
f50c47f1 | 3311 | /* Note: the symbol may be not yet defined. */ |
a0593ad9 AM |
3312 | if ((operand->flags & PPC_OPERAND_PARENS) != 0 |
3313 | && ppc_is_toc_sym (ex.X_add_symbol)) | |
3e60bf4d AM |
3314 | { |
3315 | reloc = BFD_RELOC_PPC_TOC16; | |
3316 | #ifdef OBJ_ELF | |
3317 | as_warn (_("assuming %s on symbol"), | |
3318 | ppc_obj64 ? "@toc" : "@xgot"); | |
3319 | #endif | |
3320 | } | |
3b8b57a9 | 3321 | #endif |
3b8b57a9 | 3322 | } |
a0593ad9 AM |
3323 | |
3324 | /* For the absolute forms of branches, convert the PC | |
3325 | relative form back into the absolute. */ | |
3326 | if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0) | |
3327 | { | |
3328 | switch (reloc) | |
3329 | { | |
3330 | case BFD_RELOC_PPC_B26: | |
3331 | reloc = BFD_RELOC_PPC_BA26; | |
3332 | break; | |
3333 | case BFD_RELOC_PPC_B16: | |
3334 | reloc = BFD_RELOC_PPC_BA16; | |
3335 | break; | |
3336 | #ifdef OBJ_ELF | |
3337 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
3338 | reloc = BFD_RELOC_PPC_BA16_BRTAKEN; | |
3339 | break; | |
3340 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
3341 | reloc = BFD_RELOC_PPC_BA16_BRNTAKEN; | |
3342 | break; | |
3343 | #endif | |
3344 | default: | |
3345 | break; | |
3346 | } | |
3347 | } | |
3348 | ||
3349 | #ifdef OBJ_ELF | |
3350 | switch (reloc) | |
3351 | { | |
3352 | case BFD_RELOC_PPC_TOC16: | |
3353 | toc_reloc_types |= has_small_toc_reloc; | |
3354 | break; | |
3355 | case BFD_RELOC_PPC64_TOC16_LO: | |
3356 | case BFD_RELOC_PPC64_TOC16_HI: | |
3357 | case BFD_RELOC_PPC64_TOC16_HA: | |
3358 | toc_reloc_types |= has_large_toc_reloc; | |
3359 | break; | |
3360 | default: | |
3361 | break; | |
3362 | } | |
3363 | ||
3364 | if (ppc_obj64 | |
3365 | && (operand->flags & (PPC_OPERAND_DS | PPC_OPERAND_DQ)) != 0) | |
3366 | { | |
3367 | switch (reloc) | |
3368 | { | |
3369 | case BFD_RELOC_16: | |
3370 | reloc = BFD_RELOC_PPC64_ADDR16_DS; | |
3371 | break; | |
3372 | case BFD_RELOC_LO16: | |
3373 | reloc = BFD_RELOC_PPC64_ADDR16_LO_DS; | |
3374 | break; | |
3375 | case BFD_RELOC_16_GOTOFF: | |
3376 | reloc = BFD_RELOC_PPC64_GOT16_DS; | |
3377 | break; | |
3378 | case BFD_RELOC_LO16_GOTOFF: | |
3379 | reloc = BFD_RELOC_PPC64_GOT16_LO_DS; | |
3380 | break; | |
3381 | case BFD_RELOC_LO16_PLTOFF: | |
3382 | reloc = BFD_RELOC_PPC64_PLT16_LO_DS; | |
3383 | break; | |
3384 | case BFD_RELOC_16_BASEREL: | |
3385 | reloc = BFD_RELOC_PPC64_SECTOFF_DS; | |
3386 | break; | |
3387 | case BFD_RELOC_LO16_BASEREL: | |
3388 | reloc = BFD_RELOC_PPC64_SECTOFF_LO_DS; | |
3389 | break; | |
3390 | case BFD_RELOC_PPC_TOC16: | |
3391 | reloc = BFD_RELOC_PPC64_TOC16_DS; | |
3392 | break; | |
3393 | case BFD_RELOC_PPC64_TOC16_LO: | |
3394 | reloc = BFD_RELOC_PPC64_TOC16_LO_DS; | |
3395 | break; | |
3396 | case BFD_RELOC_PPC64_PLTGOT16: | |
3397 | reloc = BFD_RELOC_PPC64_PLTGOT16_DS; | |
3398 | break; | |
3399 | case BFD_RELOC_PPC64_PLTGOT16_LO: | |
3400 | reloc = BFD_RELOC_PPC64_PLTGOT16_LO_DS; | |
3401 | break; | |
3402 | case BFD_RELOC_PPC_DTPREL16: | |
3403 | reloc = BFD_RELOC_PPC64_DTPREL16_DS; | |
3404 | break; | |
3405 | case BFD_RELOC_PPC_DTPREL16_LO: | |
3406 | reloc = BFD_RELOC_PPC64_DTPREL16_LO_DS; | |
3407 | break; | |
3408 | case BFD_RELOC_PPC_TPREL16: | |
3409 | reloc = BFD_RELOC_PPC64_TPREL16_DS; | |
3410 | break; | |
3411 | case BFD_RELOC_PPC_TPREL16_LO: | |
3412 | reloc = BFD_RELOC_PPC64_TPREL16_LO_DS; | |
3413 | break; | |
3414 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
3415 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
3416 | case BFD_RELOC_PPC_GOT_TPREL16: | |
3417 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
3418 | break; | |
3419 | default: | |
3420 | as_bad (_("unsupported relocation for DS offset field")); | |
3421 | break; | |
3422 | } | |
3423 | } | |
3424 | #endif | |
0baf16f2 | 3425 | |
252b5132 RH |
3426 | /* We need to generate a fixup for this expression. */ |
3427 | if (fc >= MAX_INSN_FIXUPS) | |
3428 | as_fatal (_("too many fixups")); | |
3429 | fixups[fc].exp = ex; | |
727fc41e | 3430 | fixups[fc].opindex = *opindex_ptr; |
252b5132 RH |
3431 | fixups[fc].reloc = reloc; |
3432 | ++fc; | |
3433 | } | |
252b5132 RH |
3434 | |
3435 | if (need_paren) | |
3436 | { | |
3437 | endc = ')'; | |
3438 | need_paren = 0; | |
c3d65c1c BE |
3439 | /* If expecting more operands, then we want to see "),". */ |
3440 | if (*str == endc && opindex_ptr[1] != 0) | |
3441 | { | |
3442 | do | |
3443 | ++str; | |
3444 | while (ISSPACE (*str)); | |
3445 | endc = ','; | |
3446 | } | |
252b5132 RH |
3447 | } |
3448 | else if ((operand->flags & PPC_OPERAND_PARENS) != 0) | |
3449 | { | |
3450 | endc = '('; | |
3451 | need_paren = 1; | |
3452 | } | |
3453 | else | |
3454 | endc = ','; | |
3455 | ||
3456 | /* The call to expression should have advanced str past any | |
3457 | whitespace. */ | |
3458 | if (*str != endc | |
3459 | && (endc != ',' || *str != '\0')) | |
3460 | { | |
5a938047 AM |
3461 | if (*str == '\0') |
3462 | as_bad (_("syntax error; end of line, expected `%c'"), endc); | |
3463 | else | |
3464 | as_bad (_("syntax error; found `%c', expected `%c'"), *str, endc); | |
252b5132 RH |
3465 | break; |
3466 | } | |
3467 | ||
3468 | if (*str != '\0') | |
3469 | ++str; | |
3470 | } | |
3471 | ||
3882b010 | 3472 | while (ISSPACE (*str)) |
252b5132 RH |
3473 | ++str; |
3474 | ||
3475 | if (*str != '\0') | |
3476 | as_bad (_("junk at end of line: `%s'"), str); | |
3477 | ||
dc1d03fc | 3478 | #ifdef OBJ_ELF |
b9c361e0 | 3479 | /* Do we need/want an APUinfo section? */ |
4faf939a JM |
3480 | if ((ppc_cpu & (PPC_OPCODE_E500 | PPC_OPCODE_E500MC | PPC_OPCODE_VLE)) != 0 |
3481 | && !ppc_obj64) | |
6a0c61b7 EZ |
3482 | { |
3483 | /* These are all version "1". */ | |
3484 | if (opcode->flags & PPC_OPCODE_SPE) | |
b34976b6 | 3485 | ppc_apuinfo_section_add (PPC_APUINFO_SPE, 1); |
6a0c61b7 | 3486 | if (opcode->flags & PPC_OPCODE_ISEL) |
b34976b6 | 3487 | ppc_apuinfo_section_add (PPC_APUINFO_ISEL, 1); |
6a0c61b7 | 3488 | if (opcode->flags & PPC_OPCODE_EFS) |
b34976b6 | 3489 | ppc_apuinfo_section_add (PPC_APUINFO_EFS, 1); |
6a0c61b7 | 3490 | if (opcode->flags & PPC_OPCODE_BRLOCK) |
b34976b6 | 3491 | ppc_apuinfo_section_add (PPC_APUINFO_BRLOCK, 1); |
6a0c61b7 | 3492 | if (opcode->flags & PPC_OPCODE_PMR) |
b34976b6 | 3493 | ppc_apuinfo_section_add (PPC_APUINFO_PMR, 1); |
6a0c61b7 | 3494 | if (opcode->flags & PPC_OPCODE_CACHELCK) |
b34976b6 | 3495 | ppc_apuinfo_section_add (PPC_APUINFO_CACHELCK, 1); |
6a0c61b7 | 3496 | if (opcode->flags & PPC_OPCODE_RFMCI) |
b34976b6 | 3497 | ppc_apuinfo_section_add (PPC_APUINFO_RFMCI, 1); |
fbd94057 MR |
3498 | /* Only set the VLE flag if the instruction has been pulled via |
3499 | the VLE instruction set. This way the flag is guaranteed to | |
3500 | be set for VLE-only instructions or for VLE-only processors, | |
3501 | however it'll remain clear for dual-mode instructions on | |
3502 | dual-mode and, more importantly, standard-mode processors. */ | |
3503 | if ((ppc_cpu & opcode->flags) == PPC_OPCODE_VLE) | |
f7d69005 AM |
3504 | { |
3505 | ppc_apuinfo_section_add (PPC_APUINFO_VLE, 1); | |
3506 | if (elf_section_data (now_seg) != NULL) | |
3507 | elf_section_data (now_seg)->this_hdr.sh_flags |= SHF_PPC_VLE; | |
3508 | } | |
6a0c61b7 | 3509 | } |
dc1d03fc | 3510 | #endif |
6a0c61b7 | 3511 | |
252b5132 | 3512 | /* Write out the instruction. */ |
b9c361e0 | 3513 | /* Differentiate between two and four byte insns. */ |
f7d69005 | 3514 | if ((ppc_cpu & PPC_OPCODE_VLE) != 0) |
b9c361e0 JL |
3515 | { |
3516 | if (PPC_OP_SE_VLE (insn)) | |
3517 | insn_length = 2; | |
3518 | else | |
3519 | insn_length = 4; | |
3520 | addr_mod = frag_now_fix () & 1; | |
3521 | } | |
3522 | else | |
3523 | { | |
3524 | insn_length = 4; | |
3525 | addr_mod = frag_now_fix () & 3; | |
3526 | } | |
3527 | /* All instructions can start on a 2 byte boundary for VLE. */ | |
3528 | f = frag_more (insn_length); | |
09b935ac | 3529 | if (frag_now->has_code && frag_now->insn_addr != addr_mod) |
b9c361e0 | 3530 | { |
f7d69005 | 3531 | if ((ppc_cpu & PPC_OPCODE_VLE) != 0) |
b9c361e0 JL |
3532 | as_bad (_("instruction address is not a multiple of 2")); |
3533 | else | |
3534 | as_bad (_("instruction address is not a multiple of 4")); | |
3535 | } | |
09b935ac AM |
3536 | frag_now->insn_addr = addr_mod; |
3537 | frag_now->has_code = 1; | |
b9c361e0 | 3538 | md_number_to_chars (f, insn, insn_length); |
bf7279d5 AM |
3539 | last_insn = insn; |
3540 | last_seg = now_seg; | |
3541 | last_subseg = now_subseg; | |
252b5132 | 3542 | |
5d6f4f16 | 3543 | #ifdef OBJ_ELF |
b9c361e0 | 3544 | dwarf2_emit_insn (insn_length); |
5d6f4f16 GK |
3545 | #endif |
3546 | ||
3b8b57a9 | 3547 | /* Create any fixups. */ |
252b5132 RH |
3548 | for (i = 0; i < fc; i++) |
3549 | { | |
3b8b57a9 | 3550 | fixS *fixP; |
62ebcb5c | 3551 | if (fixups[i].reloc != BFD_RELOC_NONE) |
252b5132 | 3552 | { |
99a814a1 | 3553 | reloc_howto_type *reloc_howto; |
252b5132 RH |
3554 | int size; |
3555 | int offset; | |
252b5132 | 3556 | |
99a814a1 | 3557 | reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc); |
252b5132 RH |
3558 | if (!reloc_howto) |
3559 | abort (); | |
3560 | ||
3561 | size = bfd_get_reloc_size (reloc_howto); | |
3b8b57a9 | 3562 | offset = target_big_endian ? (insn_length - size) : 0; |
252b5132 | 3563 | |
99a814a1 AM |
3564 | fixP = fix_new_exp (frag_now, |
3565 | f - frag_now->fr_literal + offset, | |
3566 | size, | |
3567 | &fixups[i].exp, | |
3568 | reloc_howto->pc_relative, | |
252b5132 | 3569 | fixups[i].reloc); |
252b5132 RH |
3570 | } |
3571 | else | |
727fc41e AM |
3572 | { |
3573 | const struct powerpc_operand *operand; | |
3574 | ||
3575 | operand = &powerpc_operands[fixups[i].opindex]; | |
3b8b57a9 AM |
3576 | fixP = fix_new_exp (frag_now, |
3577 | f - frag_now->fr_literal, | |
3578 | insn_length, | |
3579 | &fixups[i].exp, | |
3580 | (operand->flags & PPC_OPERAND_RELATIVE) != 0, | |
62ebcb5c | 3581 | BFD_RELOC_NONE); |
727fc41e | 3582 | } |
3b8b57a9 | 3583 | fixP->fx_pcrel_adjust = fixups[i].opindex; |
252b5132 RH |
3584 | } |
3585 | } | |
3586 | ||
3587 | /* Handle a macro. Gather all the operands, transform them as | |
3588 | described by the macro, and call md_assemble recursively. All the | |
3589 | operands are separated by commas; we don't accept parentheses | |
3590 | around operands here. */ | |
3591 | ||
3592 | static void | |
98027b10 | 3593 | ppc_macro (char *str, const struct powerpc_macro *macro) |
252b5132 RH |
3594 | { |
3595 | char *operands[10]; | |
3596 | unsigned int count; | |
3597 | char *s; | |
3598 | unsigned int len; | |
3599 | const char *format; | |
db557034 | 3600 | unsigned int arg; |
252b5132 RH |
3601 | char *send; |
3602 | char *complete; | |
3603 | ||
3604 | /* Gather the users operands into the operands array. */ | |
3605 | count = 0; | |
3606 | s = str; | |
3607 | while (1) | |
3608 | { | |
3609 | if (count >= sizeof operands / sizeof operands[0]) | |
3610 | break; | |
3611 | operands[count++] = s; | |
3612 | s = strchr (s, ','); | |
3613 | if (s == (char *) NULL) | |
3614 | break; | |
3615 | *s++ = '\0'; | |
81d4177b | 3616 | } |
252b5132 RH |
3617 | |
3618 | if (count != macro->operands) | |
3619 | { | |
3620 | as_bad (_("wrong number of operands")); | |
3621 | return; | |
3622 | } | |
3623 | ||
3624 | /* Work out how large the string must be (the size is unbounded | |
3625 | because it includes user input). */ | |
3626 | len = 0; | |
3627 | format = macro->format; | |
3628 | while (*format != '\0') | |
3629 | { | |
3630 | if (*format != '%') | |
3631 | { | |
3632 | ++len; | |
3633 | ++format; | |
3634 | } | |
3635 | else | |
3636 | { | |
3637 | arg = strtol (format + 1, &send, 10); | |
db557034 | 3638 | know (send != format && arg < count); |
252b5132 RH |
3639 | len += strlen (operands[arg]); |
3640 | format = send; | |
3641 | } | |
3642 | } | |
3643 | ||
3644 | /* Put the string together. */ | |
325801bd | 3645 | complete = s = XNEWVEC (char, len + 1); |
252b5132 RH |
3646 | format = macro->format; |
3647 | while (*format != '\0') | |
3648 | { | |
3649 | if (*format != '%') | |
3650 | *s++ = *format++; | |
3651 | else | |
3652 | { | |
3653 | arg = strtol (format + 1, &send, 10); | |
3654 | strcpy (s, operands[arg]); | |
3655 | s += strlen (s); | |
3656 | format = send; | |
3657 | } | |
3658 | } | |
3659 | *s = '\0'; | |
3660 | ||
3661 | /* Assemble the constructed instruction. */ | |
3662 | md_assemble (complete); | |
e1fa0163 | 3663 | free (complete); |
81d4177b | 3664 | } |
252b5132 RH |
3665 | \f |
3666 | #ifdef OBJ_ELF | |
18ae9cc1 | 3667 | /* For ELF, add support for SHT_ORDERED. */ |
252b5132 RH |
3668 | |
3669 | int | |
98027b10 | 3670 | ppc_section_type (char *str, size_t len) |
252b5132 | 3671 | { |
9de8d8f1 RH |
3672 | if (len == 7 && strncmp (str, "ordered", 7) == 0) |
3673 | return SHT_ORDERED; | |
252b5132 | 3674 | |
9de8d8f1 | 3675 | return -1; |
252b5132 RH |
3676 | } |
3677 | ||
3678 | int | |
1239de13 | 3679 | ppc_section_flags (flagword flags, bfd_vma attr ATTRIBUTE_UNUSED, int type) |
252b5132 RH |
3680 | { |
3681 | if (type == SHT_ORDERED) | |
3682 | flags |= SEC_ALLOC | SEC_LOAD | SEC_SORT_ENTRIES; | |
3683 | ||
252b5132 RH |
3684 | return flags; |
3685 | } | |
3686 | #endif /* OBJ_ELF */ | |
3687 | ||
3688 | \f | |
3689 | /* Pseudo-op handling. */ | |
3690 | ||
3691 | /* The .byte pseudo-op. This is similar to the normal .byte | |
3692 | pseudo-op, but it can also take a single ASCII string. */ | |
3693 | ||
3694 | static void | |
98027b10 | 3695 | ppc_byte (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 3696 | { |
bf7279d5 AM |
3697 | int count = 0; |
3698 | ||
252b5132 RH |
3699 | if (*input_line_pointer != '\"') |
3700 | { | |
3701 | cons (1); | |
3702 | return; | |
3703 | } | |
3704 | ||
3705 | /* Gather characters. A real double quote is doubled. Unusual | |
3706 | characters are not permitted. */ | |
3707 | ++input_line_pointer; | |
3708 | while (1) | |
3709 | { | |
3710 | char c; | |
3711 | ||
3712 | c = *input_line_pointer++; | |
3713 | ||
3714 | if (c == '\"') | |
3715 | { | |
3716 | if (*input_line_pointer != '\"') | |
3717 | break; | |
3718 | ++input_line_pointer; | |
3719 | } | |
3720 | ||
3721 | FRAG_APPEND_1_CHAR (c); | |
bf7279d5 | 3722 | ++count; |
252b5132 RH |
3723 | } |
3724 | ||
bf7279d5 AM |
3725 | if (warn_476 && count != 0 && (now_seg->flags & SEC_CODE) != 0) |
3726 | as_warn (_("data in executable section")); | |
252b5132 RH |
3727 | demand_empty_rest_of_line (); |
3728 | } | |
3729 | \f | |
3730 | #ifdef OBJ_XCOFF | |
3731 | ||
3732 | /* XCOFF specific pseudo-op handling. */ | |
3733 | ||
3734 | /* This is set if we are creating a .stabx symbol, since we don't want | |
3735 | to handle symbol suffixes for such symbols. */ | |
b34976b6 | 3736 | static bfd_boolean ppc_stab_symbol; |
252b5132 RH |
3737 | |
3738 | /* The .comm and .lcomm pseudo-ops for XCOFF. XCOFF puts common | |
3739 | symbols in the .bss segment as though they were local common | |
67c1ffbe | 3740 | symbols, and uses a different smclas. The native Aix 4.3.3 assembler |
1ad63b2f | 3741 | aligns .comm and .lcomm to 4 bytes. */ |
252b5132 RH |
3742 | |
3743 | static void | |
98027b10 | 3744 | ppc_comm (int lcomm) |
252b5132 RH |
3745 | { |
3746 | asection *current_seg = now_seg; | |
3747 | subsegT current_subseg = now_subseg; | |
3748 | char *name; | |
3749 | char endc; | |
3750 | char *end_name; | |
3751 | offsetT size; | |
3752 | offsetT align; | |
3753 | symbolS *lcomm_sym = NULL; | |
3754 | symbolS *sym; | |
3755 | char *pfrag; | |
3756 | ||
d02603dc | 3757 | endc = get_symbol_name (&name); |
252b5132 | 3758 | end_name = input_line_pointer; |
d02603dc | 3759 | (void) restore_line_pointer (endc); |
252b5132 RH |
3760 | |
3761 | if (*input_line_pointer != ',') | |
3762 | { | |
3763 | as_bad (_("missing size")); | |
3764 | ignore_rest_of_line (); | |
3765 | return; | |
3766 | } | |
3767 | ++input_line_pointer; | |
3768 | ||
3769 | size = get_absolute_expression (); | |
3770 | if (size < 0) | |
3771 | { | |
3772 | as_bad (_("negative size")); | |
3773 | ignore_rest_of_line (); | |
3774 | return; | |
3775 | } | |
3776 | ||
3777 | if (! lcomm) | |
3778 | { | |
3779 | /* The third argument to .comm is the alignment. */ | |
3780 | if (*input_line_pointer != ',') | |
1ad63b2f | 3781 | align = 2; |
252b5132 RH |
3782 | else |
3783 | { | |
3784 | ++input_line_pointer; | |
3785 | align = get_absolute_expression (); | |
3786 | if (align <= 0) | |
3787 | { | |
3788 | as_warn (_("ignoring bad alignment")); | |
1ad63b2f | 3789 | align = 2; |
252b5132 RH |
3790 | } |
3791 | } | |
3792 | } | |
3793 | else | |
3794 | { | |
3795 | char *lcomm_name; | |
3796 | char lcomm_endc; | |
3797 | ||
252b5132 RH |
3798 | /* The third argument to .lcomm appears to be the real local |
3799 | common symbol to create. References to the symbol named in | |
3800 | the first argument are turned into references to the third | |
3801 | argument. */ | |
3802 | if (*input_line_pointer != ',') | |
3803 | { | |
3804 | as_bad (_("missing real symbol name")); | |
3805 | ignore_rest_of_line (); | |
3806 | return; | |
3807 | } | |
3808 | ++input_line_pointer; | |
3809 | ||
d02603dc | 3810 | lcomm_endc = get_symbol_name (&lcomm_name); |
81d4177b | 3811 | |
252b5132 RH |
3812 | lcomm_sym = symbol_find_or_make (lcomm_name); |
3813 | ||
d02603dc | 3814 | (void) restore_line_pointer (lcomm_endc); |
3c02c47f DE |
3815 | |
3816 | /* The fourth argument to .lcomm is the alignment. */ | |
3817 | if (*input_line_pointer != ',') | |
3818 | { | |
3819 | if (size <= 4) | |
3820 | align = 2; | |
3821 | else | |
3822 | align = 3; | |
3823 | } | |
3824 | else | |
3825 | { | |
3826 | ++input_line_pointer; | |
3827 | align = get_absolute_expression (); | |
3828 | if (align <= 0) | |
3829 | { | |
3830 | as_warn (_("ignoring bad alignment")); | |
3831 | align = 2; | |
3832 | } | |
3833 | } | |
252b5132 RH |
3834 | } |
3835 | ||
3836 | *end_name = '\0'; | |
3837 | sym = symbol_find_or_make (name); | |
3838 | *end_name = endc; | |
3839 | ||
3840 | if (S_IS_DEFINED (sym) | |
3841 | || S_GET_VALUE (sym) != 0) | |
3842 | { | |
3843 | as_bad (_("attempt to redefine symbol")); | |
3844 | ignore_rest_of_line (); | |
3845 | return; | |
3846 | } | |
81d4177b | 3847 | |
252b5132 | 3848 | record_alignment (bss_section, align); |
81d4177b | 3849 | |
252b5132 RH |
3850 | if (! lcomm |
3851 | || ! S_IS_DEFINED (lcomm_sym)) | |
3852 | { | |
3853 | symbolS *def_sym; | |
3854 | offsetT def_size; | |
3855 | ||
3856 | if (! lcomm) | |
3857 | { | |
3858 | def_sym = sym; | |
3859 | def_size = size; | |
3860 | S_SET_EXTERNAL (sym); | |
3861 | } | |
3862 | else | |
3863 | { | |
809ffe0d | 3864 | symbol_get_tc (lcomm_sym)->output = 1; |
252b5132 RH |
3865 | def_sym = lcomm_sym; |
3866 | def_size = 0; | |
3867 | } | |
3868 | ||
3869 | subseg_set (bss_section, 1); | |
3870 | frag_align (align, 0, 0); | |
81d4177b | 3871 | |
809ffe0d | 3872 | symbol_set_frag (def_sym, frag_now); |
252b5132 RH |
3873 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, def_sym, |
3874 | def_size, (char *) NULL); | |
3875 | *pfrag = 0; | |
3876 | S_SET_SEGMENT (def_sym, bss_section); | |
809ffe0d | 3877 | symbol_get_tc (def_sym)->align = align; |
252b5132 RH |
3878 | } |
3879 | else if (lcomm) | |
3880 | { | |
3881 | /* Align the size of lcomm_sym. */ | |
809ffe0d ILT |
3882 | symbol_get_frag (lcomm_sym)->fr_offset = |
3883 | ((symbol_get_frag (lcomm_sym)->fr_offset + (1 << align) - 1) | |
252b5132 | 3884 | &~ ((1 << align) - 1)); |
809ffe0d ILT |
3885 | if (align > symbol_get_tc (lcomm_sym)->align) |
3886 | symbol_get_tc (lcomm_sym)->align = align; | |
252b5132 RH |
3887 | } |
3888 | ||
3889 | if (lcomm) | |
3890 | { | |
3891 | /* Make sym an offset from lcomm_sym. */ | |
3892 | S_SET_SEGMENT (sym, bss_section); | |
809ffe0d ILT |
3893 | symbol_set_frag (sym, symbol_get_frag (lcomm_sym)); |
3894 | S_SET_VALUE (sym, symbol_get_frag (lcomm_sym)->fr_offset); | |
3895 | symbol_get_frag (lcomm_sym)->fr_offset += size; | |
252b5132 RH |
3896 | } |
3897 | ||
3898 | subseg_set (current_seg, current_subseg); | |
3899 | ||
3900 | demand_empty_rest_of_line (); | |
3901 | } | |
3902 | ||
3903 | /* The .csect pseudo-op. This switches us into a different | |
3904 | subsegment. The first argument is a symbol whose value is the | |
3905 | start of the .csect. In COFF, csect symbols get special aux | |
3906 | entries defined by the x_csect field of union internal_auxent. The | |
3907 | optional second argument is the alignment (the default is 2). */ | |
3908 | ||
3909 | static void | |
98027b10 | 3910 | ppc_csect (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3911 | { |
3912 | char *name; | |
3913 | char endc; | |
3914 | symbolS *sym; | |
931e13a6 | 3915 | offsetT align; |
252b5132 | 3916 | |
d02603dc | 3917 | endc = get_symbol_name (&name); |
81d4177b | 3918 | |
252b5132 RH |
3919 | sym = symbol_find_or_make (name); |
3920 | ||
d02603dc | 3921 | (void) restore_line_pointer (endc); |
252b5132 RH |
3922 | |
3923 | if (S_GET_NAME (sym)[0] == '\0') | |
3924 | { | |
3925 | /* An unnamed csect is assumed to be [PR]. */ | |
96d56e9f | 3926 | symbol_get_tc (sym)->symbol_class = XMC_PR; |
252b5132 RH |
3927 | } |
3928 | ||
931e13a6 | 3929 | align = 2; |
252b5132 RH |
3930 | if (*input_line_pointer == ',') |
3931 | { | |
3932 | ++input_line_pointer; | |
931e13a6 | 3933 | align = get_absolute_expression (); |
252b5132 RH |
3934 | } |
3935 | ||
931e13a6 AM |
3936 | ppc_change_csect (sym, align); |
3937 | ||
252b5132 RH |
3938 | demand_empty_rest_of_line (); |
3939 | } | |
3940 | ||
3941 | /* Change to a different csect. */ | |
3942 | ||
3943 | static void | |
98027b10 | 3944 | ppc_change_csect (symbolS *sym, offsetT align) |
252b5132 RH |
3945 | { |
3946 | if (S_IS_DEFINED (sym)) | |
809ffe0d | 3947 | subseg_set (S_GET_SEGMENT (sym), symbol_get_tc (sym)->subseg); |
252b5132 RH |
3948 | else |
3949 | { | |
3950 | symbolS **list_ptr; | |
3951 | int after_toc; | |
3952 | int hold_chunksize; | |
3953 | symbolS *list; | |
931e13a6 AM |
3954 | int is_code; |
3955 | segT sec; | |
252b5132 RH |
3956 | |
3957 | /* This is a new csect. We need to look at the symbol class to | |
3958 | figure out whether it should go in the text section or the | |
3959 | data section. */ | |
3960 | after_toc = 0; | |
931e13a6 | 3961 | is_code = 0; |
96d56e9f | 3962 | switch (symbol_get_tc (sym)->symbol_class) |
252b5132 RH |
3963 | { |
3964 | case XMC_PR: | |
3965 | case XMC_RO: | |
3966 | case XMC_DB: | |
3967 | case XMC_GL: | |
3968 | case XMC_XO: | |
3969 | case XMC_SV: | |
3970 | case XMC_TI: | |
3971 | case XMC_TB: | |
3972 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3973 | symbol_get_tc (sym)->subseg = ppc_text_subsegment; |
252b5132 RH |
3974 | ++ppc_text_subsegment; |
3975 | list_ptr = &ppc_text_csects; | |
931e13a6 | 3976 | is_code = 1; |
252b5132 RH |
3977 | break; |
3978 | case XMC_RW: | |
3979 | case XMC_TC0: | |
3980 | case XMC_TC: | |
3981 | case XMC_DS: | |
3982 | case XMC_UA: | |
3983 | case XMC_BS: | |
3984 | case XMC_UC: | |
3985 | if (ppc_toc_csect != NULL | |
809ffe0d ILT |
3986 | && (symbol_get_tc (ppc_toc_csect)->subseg + 1 |
3987 | == ppc_data_subsegment)) | |
252b5132 RH |
3988 | after_toc = 1; |
3989 | S_SET_SEGMENT (sym, data_section); | |
809ffe0d | 3990 | symbol_get_tc (sym)->subseg = ppc_data_subsegment; |
252b5132 RH |
3991 | ++ppc_data_subsegment; |
3992 | list_ptr = &ppc_data_csects; | |
3993 | break; | |
3994 | default: | |
3995 | abort (); | |
3996 | } | |
3997 | ||
3998 | /* We set the obstack chunk size to a small value before | |
99a814a1 AM |
3999 | changing subsegments, so that we don't use a lot of memory |
4000 | space for what may be a small section. */ | |
252b5132 RH |
4001 | hold_chunksize = chunksize; |
4002 | chunksize = 64; | |
4003 | ||
931e13a6 AM |
4004 | sec = subseg_new (segment_name (S_GET_SEGMENT (sym)), |
4005 | symbol_get_tc (sym)->subseg); | |
252b5132 RH |
4006 | |
4007 | chunksize = hold_chunksize; | |
4008 | ||
4009 | if (after_toc) | |
4010 | ppc_after_toc_frag = frag_now; | |
4011 | ||
931e13a6 AM |
4012 | record_alignment (sec, align); |
4013 | if (is_code) | |
4014 | frag_align_code (align, 0); | |
4015 | else | |
4016 | frag_align (align, 0, 0); | |
4017 | ||
809ffe0d | 4018 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
4019 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); |
4020 | ||
931e13a6 | 4021 | symbol_get_tc (sym)->align = align; |
809ffe0d ILT |
4022 | symbol_get_tc (sym)->output = 1; |
4023 | symbol_get_tc (sym)->within = sym; | |
81d4177b | 4024 | |
252b5132 | 4025 | for (list = *list_ptr; |
809ffe0d ILT |
4026 | symbol_get_tc (list)->next != (symbolS *) NULL; |
4027 | list = symbol_get_tc (list)->next) | |
252b5132 | 4028 | ; |
809ffe0d | 4029 | symbol_get_tc (list)->next = sym; |
81d4177b | 4030 | |
252b5132 | 4031 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); |
809ffe0d ILT |
4032 | symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP, |
4033 | &symbol_lastP); | |
252b5132 RH |
4034 | } |
4035 | ||
4036 | ppc_current_csect = sym; | |
4037 | } | |
4038 | ||
85645aed TG |
4039 | static void |
4040 | ppc_change_debug_section (unsigned int idx, subsegT subseg) | |
4041 | { | |
4042 | segT sec; | |
4043 | flagword oldflags; | |
4044 | const struct xcoff_dwsect_name *dw = &xcoff_dwsect_names[idx]; | |
4045 | ||
4046 | sec = subseg_new (dw->name, subseg); | |
4047 | oldflags = bfd_get_section_flags (stdoutput, sec); | |
4048 | if (oldflags == SEC_NO_FLAGS) | |
4049 | { | |
4050 | /* Just created section. */ | |
4051 | gas_assert (dw_sections[idx].sect == NULL); | |
4052 | ||
4053 | bfd_set_section_flags (stdoutput, sec, SEC_DEBUGGING); | |
4054 | bfd_set_section_alignment (stdoutput, sec, 0); | |
4055 | dw_sections[idx].sect = sec; | |
4056 | } | |
4057 | ||
4058 | /* Not anymore in a csect. */ | |
4059 | ppc_current_csect = NULL; | |
4060 | } | |
4061 | ||
4062 | /* The .dwsect pseudo-op. Defines a DWARF section. Syntax is: | |
4063 | .dwsect flag [, opt-label ] | |
4064 | */ | |
4065 | ||
4066 | static void | |
4067 | ppc_dwsect (int ignore ATTRIBUTE_UNUSED) | |
4068 | { | |
4069 | offsetT flag; | |
4070 | symbolS *opt_label; | |
4071 | const struct xcoff_dwsect_name *dw; | |
4072 | struct dw_subsection *subseg; | |
4073 | struct dw_section *dws; | |
4074 | int i; | |
4075 | ||
4076 | /* Find section. */ | |
4077 | flag = get_absolute_expression (); | |
4078 | dw = NULL; | |
4079 | for (i = 0; i < XCOFF_DWSECT_NBR_NAMES; i++) | |
4080 | if (xcoff_dwsect_names[i].flag == flag) | |
4081 | { | |
4082 | dw = &xcoff_dwsect_names[i]; | |
4083 | break; | |
4084 | } | |
4085 | ||
4086 | /* Parse opt-label. */ | |
4087 | if (*input_line_pointer == ',') | |
4088 | { | |
d02603dc | 4089 | char *label; |
85645aed TG |
4090 | char c; |
4091 | ||
4092 | ++input_line_pointer; | |
4093 | ||
d02603dc | 4094 | c = get_symbol_name (&label); |
85645aed | 4095 | opt_label = symbol_find_or_make (label); |
d02603dc | 4096 | (void) restore_line_pointer (c); |
85645aed TG |
4097 | } |
4098 | else | |
4099 | opt_label = NULL; | |
4100 | ||
4101 | demand_empty_rest_of_line (); | |
4102 | ||
4103 | /* Return now in case of unknown subsection. */ | |
4104 | if (dw == NULL) | |
4105 | { | |
d6ed37ed | 4106 | as_bad (_("no known dwarf XCOFF section for flag 0x%08x\n"), |
85645aed TG |
4107 | (unsigned)flag); |
4108 | return; | |
4109 | } | |
4110 | ||
4111 | /* Find the subsection. */ | |
4112 | dws = &dw_sections[i]; | |
4113 | subseg = NULL; | |
4114 | if (opt_label != NULL && S_IS_DEFINED (opt_label)) | |
4115 | { | |
4116 | /* Sanity check (note that in theory S_GET_SEGMENT mustn't be null). */ | |
4117 | if (dws->sect == NULL || S_GET_SEGMENT (opt_label) != dws->sect) | |
4118 | { | |
4119 | as_bad (_("label %s was not defined in this dwarf section"), | |
4120 | S_GET_NAME (opt_label)); | |
4121 | subseg = dws->anon_subseg; | |
4122 | opt_label = NULL; | |
4123 | } | |
4124 | else | |
4125 | subseg = symbol_get_tc (opt_label)->u.dw; | |
4126 | } | |
4127 | ||
4128 | if (subseg != NULL) | |
4129 | { | |
4130 | /* Switch to the subsection. */ | |
4131 | ppc_change_debug_section (i, subseg->subseg); | |
4132 | } | |
4133 | else | |
4134 | { | |
4135 | /* Create a new dw subsection. */ | |
325801bd | 4136 | subseg = XNEW (struct dw_subsection); |
85645aed TG |
4137 | |
4138 | if (opt_label == NULL) | |
4139 | { | |
4140 | /* The anonymous one. */ | |
4141 | subseg->subseg = 0; | |
4142 | subseg->link = NULL; | |
4143 | dws->anon_subseg = subseg; | |
4144 | } | |
4145 | else | |
4146 | { | |
4147 | /* A named one. */ | |
4148 | if (dws->list_subseg != NULL) | |
4149 | subseg->subseg = dws->list_subseg->subseg + 1; | |
4150 | else | |
4151 | subseg->subseg = 1; | |
4152 | ||
4153 | subseg->link = dws->list_subseg; | |
4154 | dws->list_subseg = subseg; | |
4155 | symbol_get_tc (opt_label)->u.dw = subseg; | |
4156 | } | |
4157 | ||
4158 | ppc_change_debug_section (i, subseg->subseg); | |
4159 | ||
4160 | if (dw->def_size) | |
4161 | { | |
4162 | /* Add the length field. */ | |
4163 | expressionS *exp = &subseg->end_exp; | |
4164 | int sz; | |
4165 | ||
4166 | if (opt_label != NULL) | |
4167 | symbol_set_value_now (opt_label); | |
4168 | ||
4169 | /* Add the length field. Note that according to the AIX assembler | |
4170 | manual, the size of the length field is 4 for powerpc32 but | |
4171 | 12 for powerpc64. */ | |
4172 | if (ppc_obj64) | |
4173 | { | |
4174 | /* Write the 64bit marker. */ | |
4175 | md_number_to_chars (frag_more (4), -1, 4); | |
4176 | } | |
4177 | ||
4178 | exp->X_op = O_subtract; | |
4179 | exp->X_op_symbol = symbol_temp_new_now (); | |
4180 | exp->X_add_symbol = symbol_temp_make (); | |
4181 | ||
4182 | sz = ppc_obj64 ? 8 : 4; | |
4183 | exp->X_add_number = -sz; | |
4184 | emit_expr (exp, sz); | |
4185 | } | |
4186 | } | |
4187 | } | |
4188 | ||
252b5132 RH |
4189 | /* This function handles the .text and .data pseudo-ops. These |
4190 | pseudo-ops aren't really used by XCOFF; we implement them for the | |
4191 | convenience of people who aren't used to XCOFF. */ | |
4192 | ||
4193 | static void | |
98027b10 | 4194 | ppc_section (int type) |
252b5132 RH |
4195 | { |
4196 | const char *name; | |
4197 | symbolS *sym; | |
4198 | ||
4199 | if (type == 't') | |
4200 | name = ".text[PR]"; | |
4201 | else if (type == 'd') | |
4202 | name = ".data[RW]"; | |
4203 | else | |
4204 | abort (); | |
4205 | ||
4206 | sym = symbol_find_or_make (name); | |
4207 | ||
931e13a6 | 4208 | ppc_change_csect (sym, 2); |
252b5132 RH |
4209 | |
4210 | demand_empty_rest_of_line (); | |
4211 | } | |
4212 | ||
4213 | /* This function handles the .section pseudo-op. This is mostly to | |
4214 | give an error, since XCOFF only supports .text, .data and .bss, but | |
4215 | we do permit the user to name the text or data section. */ | |
4216 | ||
4217 | static void | |
98027b10 | 4218 | ppc_named_section (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4219 | { |
4220 | char *user_name; | |
4221 | const char *real_name; | |
4222 | char c; | |
4223 | symbolS *sym; | |
4224 | ||
d02603dc | 4225 | c = get_symbol_name (&user_name); |
252b5132 RH |
4226 | |
4227 | if (strcmp (user_name, ".text") == 0) | |
4228 | real_name = ".text[PR]"; | |
4229 | else if (strcmp (user_name, ".data") == 0) | |
4230 | real_name = ".data[RW]"; | |
4231 | else | |
4232 | { | |
d6ed37ed | 4233 | as_bad (_("the XCOFF file format does not support arbitrary sections")); |
d02603dc | 4234 | (void) restore_line_pointer (c); |
252b5132 RH |
4235 | ignore_rest_of_line (); |
4236 | return; | |
4237 | } | |
4238 | ||
d02603dc | 4239 | (void) restore_line_pointer (c); |
252b5132 RH |
4240 | |
4241 | sym = symbol_find_or_make (real_name); | |
4242 | ||
931e13a6 | 4243 | ppc_change_csect (sym, 2); |
252b5132 RH |
4244 | |
4245 | demand_empty_rest_of_line (); | |
4246 | } | |
4247 | ||
4248 | /* The .extern pseudo-op. We create an undefined symbol. */ | |
4249 | ||
4250 | static void | |
98027b10 | 4251 | ppc_extern (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4252 | { |
4253 | char *name; | |
4254 | char endc; | |
4255 | ||
d02603dc | 4256 | endc = get_symbol_name (&name); |
252b5132 RH |
4257 | |
4258 | (void) symbol_find_or_make (name); | |
4259 | ||
d02603dc | 4260 | (void) restore_line_pointer (endc); |
252b5132 RH |
4261 | |
4262 | demand_empty_rest_of_line (); | |
4263 | } | |
4264 | ||
4265 | /* The .lglobl pseudo-op. Keep the symbol in the symbol table. */ | |
4266 | ||
4267 | static void | |
98027b10 | 4268 | ppc_lglobl (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4269 | { |
4270 | char *name; | |
4271 | char endc; | |
4272 | symbolS *sym; | |
4273 | ||
d02603dc | 4274 | endc = get_symbol_name (&name); |
252b5132 RH |
4275 | |
4276 | sym = symbol_find_or_make (name); | |
4277 | ||
d02603dc | 4278 | (void) restore_line_pointer (endc); |
252b5132 | 4279 | |
809ffe0d | 4280 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
4281 | |
4282 | demand_empty_rest_of_line (); | |
4283 | } | |
4284 | ||
c865e45b RS |
4285 | /* The .ref pseudo-op. It takes a list of symbol names and inserts R_REF |
4286 | relocations at the beginning of the current csect. | |
4287 | ||
4288 | (In principle, there's no reason why the relocations _have_ to be at | |
4289 | the beginning. Anywhere in the csect would do. However, inserting | |
33eaf5de | 4290 | at the beginning is what the native assembler does, and it helps to |
c865e45b RS |
4291 | deal with cases where the .ref statements follow the section contents.) |
4292 | ||
4293 | ??? .refs don't work for empty .csects. However, the native assembler | |
4294 | doesn't report an error in this case, and neither yet do we. */ | |
4295 | ||
4296 | static void | |
4297 | ppc_ref (int ignore ATTRIBUTE_UNUSED) | |
4298 | { | |
4299 | char *name; | |
4300 | char c; | |
4301 | ||
4302 | if (ppc_current_csect == NULL) | |
4303 | { | |
4304 | as_bad (_(".ref outside .csect")); | |
4305 | ignore_rest_of_line (); | |
4306 | return; | |
4307 | } | |
4308 | ||
4309 | do | |
4310 | { | |
d02603dc | 4311 | c = get_symbol_name (&name); |
c865e45b RS |
4312 | |
4313 | fix_at_start (symbol_get_frag (ppc_current_csect), 0, | |
4314 | symbol_find_or_make (name), 0, FALSE, BFD_RELOC_NONE); | |
4315 | ||
4316 | *input_line_pointer = c; | |
d02603dc | 4317 | SKIP_WHITESPACE_AFTER_NAME (); |
c865e45b RS |
4318 | c = *input_line_pointer; |
4319 | if (c == ',') | |
4320 | { | |
4321 | input_line_pointer++; | |
4322 | SKIP_WHITESPACE (); | |
4323 | if (is_end_of_line[(unsigned char) *input_line_pointer]) | |
4324 | { | |
4325 | as_bad (_("missing symbol name")); | |
4326 | ignore_rest_of_line (); | |
4327 | return; | |
4328 | } | |
4329 | } | |
4330 | } | |
4331 | while (c == ','); | |
4332 | ||
4333 | demand_empty_rest_of_line (); | |
4334 | } | |
4335 | ||
252b5132 RH |
4336 | /* The .rename pseudo-op. The RS/6000 assembler can rename symbols, |
4337 | although I don't know why it bothers. */ | |
4338 | ||
4339 | static void | |
98027b10 | 4340 | ppc_rename (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4341 | { |
4342 | char *name; | |
4343 | char endc; | |
4344 | symbolS *sym; | |
4345 | int len; | |
4346 | ||
d02603dc | 4347 | endc = get_symbol_name (&name); |
252b5132 RH |
4348 | |
4349 | sym = symbol_find_or_make (name); | |
4350 | ||
d02603dc | 4351 | (void) restore_line_pointer (endc); |
252b5132 RH |
4352 | |
4353 | if (*input_line_pointer != ',') | |
4354 | { | |
4355 | as_bad (_("missing rename string")); | |
4356 | ignore_rest_of_line (); | |
4357 | return; | |
4358 | } | |
4359 | ++input_line_pointer; | |
4360 | ||
809ffe0d | 4361 | symbol_get_tc (sym)->real_name = demand_copy_C_string (&len); |
252b5132 RH |
4362 | |
4363 | demand_empty_rest_of_line (); | |
4364 | } | |
4365 | ||
4366 | /* The .stabx pseudo-op. This is similar to a normal .stabs | |
4367 | pseudo-op, but slightly different. A sample is | |
4368 | .stabx "main:F-1",.main,142,0 | |
4369 | The first argument is the symbol name to create. The second is the | |
4370 | value, and the third is the storage class. The fourth seems to be | |
4371 | always zero, and I am assuming it is the type. */ | |
4372 | ||
4373 | static void | |
98027b10 | 4374 | ppc_stabx (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4375 | { |
4376 | char *name; | |
4377 | int len; | |
4378 | symbolS *sym; | |
4379 | expressionS exp; | |
4380 | ||
4381 | name = demand_copy_C_string (&len); | |
4382 | ||
4383 | if (*input_line_pointer != ',') | |
4384 | { | |
4385 | as_bad (_("missing value")); | |
4386 | return; | |
4387 | } | |
4388 | ++input_line_pointer; | |
4389 | ||
b34976b6 | 4390 | ppc_stab_symbol = TRUE; |
252b5132 | 4391 | sym = symbol_make (name); |
b34976b6 | 4392 | ppc_stab_symbol = FALSE; |
252b5132 | 4393 | |
809ffe0d | 4394 | symbol_get_tc (sym)->real_name = name; |
252b5132 RH |
4395 | |
4396 | (void) expression (&exp); | |
4397 | ||
4398 | switch (exp.X_op) | |
4399 | { | |
4400 | case O_illegal: | |
4401 | case O_absent: | |
4402 | case O_big: | |
4403 | as_bad (_("illegal .stabx expression; zero assumed")); | |
4404 | exp.X_add_number = 0; | |
4405 | /* Fall through. */ | |
4406 | case O_constant: | |
4407 | S_SET_VALUE (sym, (valueT) exp.X_add_number); | |
809ffe0d | 4408 | symbol_set_frag (sym, &zero_address_frag); |
252b5132 RH |
4409 | break; |
4410 | ||
4411 | case O_symbol: | |
4412 | if (S_GET_SEGMENT (exp.X_add_symbol) == undefined_section) | |
809ffe0d | 4413 | symbol_set_value_expression (sym, &exp); |
252b5132 RH |
4414 | else |
4415 | { | |
4416 | S_SET_VALUE (sym, | |
4417 | exp.X_add_number + S_GET_VALUE (exp.X_add_symbol)); | |
809ffe0d | 4418 | symbol_set_frag (sym, symbol_get_frag (exp.X_add_symbol)); |
252b5132 RH |
4419 | } |
4420 | break; | |
4421 | ||
4422 | default: | |
4423 | /* The value is some complex expression. This will probably | |
99a814a1 AM |
4424 | fail at some later point, but this is probably the right |
4425 | thing to do here. */ | |
809ffe0d | 4426 | symbol_set_value_expression (sym, &exp); |
252b5132 RH |
4427 | break; |
4428 | } | |
4429 | ||
4430 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 4431 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
4432 | |
4433 | if (*input_line_pointer != ',') | |
4434 | { | |
4435 | as_bad (_("missing class")); | |
4436 | return; | |
4437 | } | |
4438 | ++input_line_pointer; | |
4439 | ||
4440 | S_SET_STORAGE_CLASS (sym, get_absolute_expression ()); | |
4441 | ||
4442 | if (*input_line_pointer != ',') | |
4443 | { | |
4444 | as_bad (_("missing type")); | |
4445 | return; | |
4446 | } | |
4447 | ++input_line_pointer; | |
4448 | ||
4449 | S_SET_DATA_TYPE (sym, get_absolute_expression ()); | |
4450 | ||
809ffe0d | 4451 | symbol_get_tc (sym)->output = 1; |
252b5132 | 4452 | |
c734e7e3 TG |
4453 | if (S_GET_STORAGE_CLASS (sym) == C_STSYM) |
4454 | { | |
4455 | /* In this case : | |
252b5132 | 4456 | |
c734e7e3 TG |
4457 | .bs name |
4458 | .stabx "z",arrays_,133,0 | |
4459 | .es | |
99a814a1 | 4460 | |
c734e7e3 | 4461 | .comm arrays_,13768,3 |
99a814a1 | 4462 | |
c734e7e3 TG |
4463 | resolve_symbol_value will copy the exp's "within" into sym's when the |
4464 | offset is 0. Since this seems to be corner case problem, | |
4465 | only do the correction for storage class C_STSYM. A better solution | |
4466 | would be to have the tc field updated in ppc_symbol_new_hook. */ | |
99a814a1 | 4467 | |
c734e7e3 TG |
4468 | if (exp.X_op == O_symbol) |
4469 | { | |
4470 | if (ppc_current_block == NULL) | |
4471 | as_bad (_(".stabx of storage class stsym must be within .bs/.es")); | |
99a814a1 | 4472 | |
c734e7e3 TG |
4473 | symbol_get_tc (sym)->within = ppc_current_block; |
4474 | symbol_get_tc (exp.X_add_symbol)->within = ppc_current_block; | |
4475 | } | |
4476 | } | |
99a814a1 | 4477 | |
252b5132 RH |
4478 | if (exp.X_op != O_symbol |
4479 | || ! S_IS_EXTERNAL (exp.X_add_symbol) | |
4480 | || S_GET_SEGMENT (exp.X_add_symbol) != bss_section) | |
4481 | ppc_frob_label (sym); | |
4482 | else | |
4483 | { | |
4484 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
4485 | symbol_append (sym, exp.X_add_symbol, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
4486 | if (symbol_get_tc (ppc_current_csect)->within == exp.X_add_symbol) |
4487 | symbol_get_tc (ppc_current_csect)->within = sym; | |
252b5132 RH |
4488 | } |
4489 | ||
4490 | demand_empty_rest_of_line (); | |
4491 | } | |
4492 | ||
4493 | /* The .function pseudo-op. This takes several arguments. The first | |
4494 | argument seems to be the external name of the symbol. The second | |
67c1ffbe | 4495 | argument seems to be the label for the start of the function. gcc |
252b5132 RH |
4496 | uses the same name for both. I have no idea what the third and |
4497 | fourth arguments are meant to be. The optional fifth argument is | |
4498 | an expression for the size of the function. In COFF this symbol | |
4499 | gets an aux entry like that used for a csect. */ | |
4500 | ||
4501 | static void | |
98027b10 | 4502 | ppc_function (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4503 | { |
4504 | char *name; | |
4505 | char endc; | |
4506 | char *s; | |
4507 | symbolS *ext_sym; | |
4508 | symbolS *lab_sym; | |
4509 | ||
d02603dc | 4510 | endc = get_symbol_name (&name); |
252b5132 RH |
4511 | |
4512 | /* Ignore any [PR] suffix. */ | |
4513 | name = ppc_canonicalize_symbol_name (name); | |
4514 | s = strchr (name, '['); | |
4515 | if (s != (char *) NULL | |
4516 | && strcmp (s + 1, "PR]") == 0) | |
4517 | *s = '\0'; | |
4518 | ||
4519 | ext_sym = symbol_find_or_make (name); | |
4520 | ||
d02603dc | 4521 | (void) restore_line_pointer (endc); |
252b5132 RH |
4522 | |
4523 | if (*input_line_pointer != ',') | |
4524 | { | |
4525 | as_bad (_("missing symbol name")); | |
4526 | ignore_rest_of_line (); | |
4527 | return; | |
4528 | } | |
4529 | ++input_line_pointer; | |
4530 | ||
d02603dc | 4531 | endc = get_symbol_name (&name); |
252b5132 RH |
4532 | |
4533 | lab_sym = symbol_find_or_make (name); | |
4534 | ||
d02603dc | 4535 | (void) restore_line_pointer (endc); |
252b5132 RH |
4536 | |
4537 | if (ext_sym != lab_sym) | |
4538 | { | |
809ffe0d ILT |
4539 | expressionS exp; |
4540 | ||
4541 | exp.X_op = O_symbol; | |
4542 | exp.X_add_symbol = lab_sym; | |
4543 | exp.X_op_symbol = NULL; | |
4544 | exp.X_add_number = 0; | |
4545 | exp.X_unsigned = 0; | |
4546 | symbol_set_value_expression (ext_sym, &exp); | |
252b5132 RH |
4547 | } |
4548 | ||
96d56e9f NC |
4549 | if (symbol_get_tc (ext_sym)->symbol_class == -1) |
4550 | symbol_get_tc (ext_sym)->symbol_class = XMC_PR; | |
809ffe0d | 4551 | symbol_get_tc (ext_sym)->output = 1; |
252b5132 RH |
4552 | |
4553 | if (*input_line_pointer == ',') | |
4554 | { | |
91d6fa6a | 4555 | expressionS exp; |
252b5132 RH |
4556 | |
4557 | /* Ignore the third argument. */ | |
4558 | ++input_line_pointer; | |
91d6fa6a | 4559 | expression (& exp); |
252b5132 RH |
4560 | if (*input_line_pointer == ',') |
4561 | { | |
4562 | /* Ignore the fourth argument. */ | |
4563 | ++input_line_pointer; | |
91d6fa6a | 4564 | expression (& exp); |
252b5132 RH |
4565 | if (*input_line_pointer == ',') |
4566 | { | |
4567 | /* The fifth argument is the function size. */ | |
4568 | ++input_line_pointer; | |
85645aed TG |
4569 | symbol_get_tc (ext_sym)->u.size = symbol_new |
4570 | ("L0\001", absolute_section,(valueT) 0, &zero_address_frag); | |
4571 | pseudo_set (symbol_get_tc (ext_sym)->u.size); | |
252b5132 RH |
4572 | } |
4573 | } | |
4574 | } | |
4575 | ||
4576 | S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT); | |
4577 | SF_SET_FUNCTION (ext_sym); | |
4578 | SF_SET_PROCESS (ext_sym); | |
4579 | coff_add_linesym (ext_sym); | |
4580 | ||
4581 | demand_empty_rest_of_line (); | |
4582 | } | |
4583 | ||
4584 | /* The .bf pseudo-op. This is just like a COFF C_FCN symbol named | |
8642cce8 TR |
4585 | ".bf". If the pseudo op .bi was seen before .bf, patch the .bi sym |
4586 | with the correct line number */ | |
5d6255fe | 4587 | |
8642cce8 | 4588 | static symbolS *saved_bi_sym = 0; |
252b5132 RH |
4589 | |
4590 | static void | |
98027b10 | 4591 | ppc_bf (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4592 | { |
4593 | symbolS *sym; | |
4594 | ||
4595 | sym = symbol_make (".bf"); | |
4596 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 4597 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
4598 | S_SET_VALUE (sym, frag_now_fix ()); |
4599 | S_SET_STORAGE_CLASS (sym, C_FCN); | |
4600 | ||
4601 | coff_line_base = get_absolute_expression (); | |
4602 | ||
4603 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
4604 | SA_SET_SYM_LNNO (sym, coff_line_base); | |
4605 | ||
8642cce8 | 4606 | /* Line number for bi. */ |
5d6255fe | 4607 | if (saved_bi_sym) |
8642cce8 TR |
4608 | { |
4609 | S_SET_VALUE (saved_bi_sym, coff_n_line_nos); | |
4610 | saved_bi_sym = 0; | |
4611 | } | |
5d6255fe | 4612 | |
8642cce8 | 4613 | |
809ffe0d | 4614 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
4615 | |
4616 | ppc_frob_label (sym); | |
4617 | ||
4618 | demand_empty_rest_of_line (); | |
4619 | } | |
4620 | ||
4621 | /* The .ef pseudo-op. This is just like a COFF C_FCN symbol named | |
4622 | ".ef", except that the line number is absolute, not relative to the | |
4623 | most recent ".bf" symbol. */ | |
4624 | ||
4625 | static void | |
98027b10 | 4626 | ppc_ef (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4627 | { |
4628 | symbolS *sym; | |
4629 | ||
4630 | sym = symbol_make (".ef"); | |
4631 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 4632 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
4633 | S_SET_VALUE (sym, frag_now_fix ()); |
4634 | S_SET_STORAGE_CLASS (sym, C_FCN); | |
4635 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
4636 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
809ffe0d | 4637 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
4638 | |
4639 | ppc_frob_label (sym); | |
4640 | ||
4641 | demand_empty_rest_of_line (); | |
4642 | } | |
4643 | ||
4644 | /* The .bi and .ei pseudo-ops. These take a string argument and | |
4645 | generates a C_BINCL or C_EINCL symbol, which goes at the start of | |
8642cce8 TR |
4646 | the symbol list. The value of .bi will be know when the next .bf |
4647 | is encountered. */ | |
252b5132 RH |
4648 | |
4649 | static void | |
98027b10 | 4650 | ppc_biei (int ei) |
252b5132 RH |
4651 | { |
4652 | static symbolS *last_biei; | |
4653 | ||
4654 | char *name; | |
4655 | int len; | |
4656 | symbolS *sym; | |
4657 | symbolS *look; | |
4658 | ||
4659 | name = demand_copy_C_string (&len); | |
4660 | ||
4661 | /* The value of these symbols is actually file offset. Here we set | |
4662 | the value to the index into the line number entries. In | |
4663 | ppc_frob_symbols we set the fix_line field, which will cause BFD | |
4664 | to do the right thing. */ | |
4665 | ||
4666 | sym = symbol_make (name); | |
4667 | /* obj-coff.c currently only handles line numbers correctly in the | |
4668 | .text section. */ | |
4669 | S_SET_SEGMENT (sym, text_section); | |
4670 | S_SET_VALUE (sym, coff_n_line_nos); | |
809ffe0d | 4671 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
4672 | |
4673 | S_SET_STORAGE_CLASS (sym, ei ? C_EINCL : C_BINCL); | |
809ffe0d | 4674 | symbol_get_tc (sym)->output = 1; |
81d4177b | 4675 | |
8642cce8 | 4676 | /* Save bi. */ |
5d6255fe | 4677 | if (ei) |
8642cce8 TR |
4678 | saved_bi_sym = 0; |
4679 | else | |
4680 | saved_bi_sym = sym; | |
4681 | ||
252b5132 RH |
4682 | for (look = last_biei ? last_biei : symbol_rootP; |
4683 | (look != (symbolS *) NULL | |
4684 | && (S_GET_STORAGE_CLASS (look) == C_FILE | |
4685 | || S_GET_STORAGE_CLASS (look) == C_BINCL | |
4686 | || S_GET_STORAGE_CLASS (look) == C_EINCL)); | |
4687 | look = symbol_next (look)) | |
4688 | ; | |
4689 | if (look != (symbolS *) NULL) | |
4690 | { | |
4691 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
4692 | symbol_insert (sym, look, &symbol_rootP, &symbol_lastP); | |
4693 | last_biei = sym; | |
4694 | } | |
4695 | ||
4696 | demand_empty_rest_of_line (); | |
4697 | } | |
4698 | ||
4699 | /* The .bs pseudo-op. This generates a C_BSTAT symbol named ".bs". | |
4700 | There is one argument, which is a csect symbol. The value of the | |
4701 | .bs symbol is the index of this csect symbol. */ | |
4702 | ||
4703 | static void | |
98027b10 | 4704 | ppc_bs (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4705 | { |
4706 | char *name; | |
4707 | char endc; | |
4708 | symbolS *csect; | |
4709 | symbolS *sym; | |
4710 | ||
4711 | if (ppc_current_block != NULL) | |
4712 | as_bad (_("nested .bs blocks")); | |
4713 | ||
d02603dc | 4714 | endc = get_symbol_name (&name); |
252b5132 RH |
4715 | |
4716 | csect = symbol_find_or_make (name); | |
4717 | ||
d02603dc | 4718 | (void) restore_line_pointer (endc); |
252b5132 RH |
4719 | |
4720 | sym = symbol_make (".bs"); | |
4721 | S_SET_SEGMENT (sym, now_seg); | |
4722 | S_SET_STORAGE_CLASS (sym, C_BSTAT); | |
809ffe0d ILT |
4723 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
4724 | symbol_get_tc (sym)->output = 1; | |
252b5132 | 4725 | |
809ffe0d | 4726 | symbol_get_tc (sym)->within = csect; |
252b5132 RH |
4727 | |
4728 | ppc_frob_label (sym); | |
4729 | ||
4730 | ppc_current_block = sym; | |
4731 | ||
4732 | demand_empty_rest_of_line (); | |
4733 | } | |
4734 | ||
4735 | /* The .es pseudo-op. Generate a C_ESTART symbol named .es. */ | |
4736 | ||
4737 | static void | |
98027b10 | 4738 | ppc_es (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4739 | { |
4740 | symbolS *sym; | |
4741 | ||
4742 | if (ppc_current_block == NULL) | |
4743 | as_bad (_(".es without preceding .bs")); | |
4744 | ||
4745 | sym = symbol_make (".es"); | |
4746 | S_SET_SEGMENT (sym, now_seg); | |
4747 | S_SET_STORAGE_CLASS (sym, C_ESTAT); | |
809ffe0d ILT |
4748 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
4749 | symbol_get_tc (sym)->output = 1; | |
252b5132 RH |
4750 | |
4751 | ppc_frob_label (sym); | |
4752 | ||
4753 | ppc_current_block = NULL; | |
4754 | ||
4755 | demand_empty_rest_of_line (); | |
4756 | } | |
4757 | ||
4758 | /* The .bb pseudo-op. Generate a C_BLOCK symbol named .bb, with a | |
4759 | line number. */ | |
4760 | ||
4761 | static void | |
98027b10 | 4762 | ppc_bb (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4763 | { |
4764 | symbolS *sym; | |
4765 | ||
4766 | sym = symbol_make (".bb"); | |
4767 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 4768 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
4769 | S_SET_VALUE (sym, frag_now_fix ()); |
4770 | S_SET_STORAGE_CLASS (sym, C_BLOCK); | |
4771 | ||
4772 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
4773 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
4774 | ||
809ffe0d | 4775 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
4776 | |
4777 | SF_SET_PROCESS (sym); | |
4778 | ||
4779 | ppc_frob_label (sym); | |
4780 | ||
4781 | demand_empty_rest_of_line (); | |
4782 | } | |
4783 | ||
4784 | /* The .eb pseudo-op. Generate a C_BLOCK symbol named .eb, with a | |
4785 | line number. */ | |
4786 | ||
4787 | static void | |
98027b10 | 4788 | ppc_eb (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4789 | { |
4790 | symbolS *sym; | |
4791 | ||
4792 | sym = symbol_make (".eb"); | |
4793 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 4794 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
4795 | S_SET_VALUE (sym, frag_now_fix ()); |
4796 | S_SET_STORAGE_CLASS (sym, C_BLOCK); | |
4797 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
4798 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
809ffe0d | 4799 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
4800 | |
4801 | SF_SET_PROCESS (sym); | |
4802 | ||
4803 | ppc_frob_label (sym); | |
4804 | ||
4805 | demand_empty_rest_of_line (); | |
4806 | } | |
4807 | ||
4808 | /* The .bc pseudo-op. This just creates a C_BCOMM symbol with a | |
4809 | specified name. */ | |
4810 | ||
4811 | static void | |
98027b10 | 4812 | ppc_bc (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4813 | { |
4814 | char *name; | |
4815 | int len; | |
4816 | symbolS *sym; | |
4817 | ||
4818 | name = demand_copy_C_string (&len); | |
4819 | sym = symbol_make (name); | |
4820 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 4821 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
4822 | S_SET_STORAGE_CLASS (sym, C_BCOMM); |
4823 | S_SET_VALUE (sym, 0); | |
809ffe0d | 4824 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
4825 | |
4826 | ppc_frob_label (sym); | |
4827 | ||
4828 | demand_empty_rest_of_line (); | |
4829 | } | |
4830 | ||
4831 | /* The .ec pseudo-op. This just creates a C_ECOMM symbol. */ | |
4832 | ||
4833 | static void | |
98027b10 | 4834 | ppc_ec (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4835 | { |
4836 | symbolS *sym; | |
4837 | ||
4838 | sym = symbol_make (".ec"); | |
4839 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 4840 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
4841 | S_SET_STORAGE_CLASS (sym, C_ECOMM); |
4842 | S_SET_VALUE (sym, 0); | |
809ffe0d | 4843 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
4844 | |
4845 | ppc_frob_label (sym); | |
4846 | ||
4847 | demand_empty_rest_of_line (); | |
4848 | } | |
4849 | ||
4850 | /* The .toc pseudo-op. Switch to the .toc subsegment. */ | |
4851 | ||
4852 | static void | |
98027b10 | 4853 | ppc_toc (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4854 | { |
4855 | if (ppc_toc_csect != (symbolS *) NULL) | |
809ffe0d | 4856 | subseg_set (data_section, symbol_get_tc (ppc_toc_csect)->subseg); |
252b5132 RH |
4857 | else |
4858 | { | |
4859 | subsegT subseg; | |
4860 | symbolS *sym; | |
4861 | symbolS *list; | |
81d4177b | 4862 | |
252b5132 RH |
4863 | subseg = ppc_data_subsegment; |
4864 | ++ppc_data_subsegment; | |
4865 | ||
4866 | subseg_new (segment_name (data_section), subseg); | |
4867 | ppc_toc_frag = frag_now; | |
4868 | ||
4869 | sym = symbol_find_or_make ("TOC[TC0]"); | |
809ffe0d | 4870 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
4871 | S_SET_SEGMENT (sym, data_section); |
4872 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); | |
809ffe0d ILT |
4873 | symbol_get_tc (sym)->subseg = subseg; |
4874 | symbol_get_tc (sym)->output = 1; | |
4875 | symbol_get_tc (sym)->within = sym; | |
252b5132 RH |
4876 | |
4877 | ppc_toc_csect = sym; | |
81d4177b | 4878 | |
252b5132 | 4879 | for (list = ppc_data_csects; |
809ffe0d ILT |
4880 | symbol_get_tc (list)->next != (symbolS *) NULL; |
4881 | list = symbol_get_tc (list)->next) | |
252b5132 | 4882 | ; |
809ffe0d | 4883 | symbol_get_tc (list)->next = sym; |
252b5132 RH |
4884 | |
4885 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
4886 | symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP, |
4887 | &symbol_lastP); | |
252b5132 RH |
4888 | } |
4889 | ||
4890 | ppc_current_csect = ppc_toc_csect; | |
4891 | ||
4892 | demand_empty_rest_of_line (); | |
4893 | } | |
4894 | ||
4895 | /* The AIX assembler automatically aligns the operands of a .long or | |
4896 | .short pseudo-op, and we want to be compatible. */ | |
4897 | ||
4898 | static void | |
98027b10 | 4899 | ppc_xcoff_cons (int log_size) |
252b5132 RH |
4900 | { |
4901 | frag_align (log_size, 0, 0); | |
4902 | record_alignment (now_seg, log_size); | |
4903 | cons (1 << log_size); | |
4904 | } | |
4905 | ||
4906 | static void | |
98027b10 | 4907 | ppc_vbyte (int dummy ATTRIBUTE_UNUSED) |
252b5132 RH |
4908 | { |
4909 | expressionS exp; | |
4910 | int byte_count; | |
4911 | ||
4912 | (void) expression (&exp); | |
4913 | ||
4914 | if (exp.X_op != O_constant) | |
4915 | { | |
4916 | as_bad (_("non-constant byte count")); | |
4917 | return; | |
4918 | } | |
4919 | ||
4920 | byte_count = exp.X_add_number; | |
4921 | ||
4922 | if (*input_line_pointer != ',') | |
4923 | { | |
4924 | as_bad (_("missing value")); | |
4925 | return; | |
4926 | } | |
4927 | ||
4928 | ++input_line_pointer; | |
4929 | cons (byte_count); | |
4930 | } | |
4931 | ||
85645aed TG |
4932 | void |
4933 | ppc_xcoff_end (void) | |
4934 | { | |
4935 | int i; | |
4936 | ||
4937 | for (i = 0; i < XCOFF_DWSECT_NBR_NAMES; i++) | |
4938 | { | |
4939 | struct dw_section *dws = &dw_sections[i]; | |
4940 | struct dw_subsection *dwss; | |
4941 | ||
4942 | if (dws->anon_subseg) | |
4943 | { | |
4944 | dwss = dws->anon_subseg; | |
4945 | dwss->link = dws->list_subseg; | |
4946 | } | |
4947 | else | |
4948 | dwss = dws->list_subseg; | |
4949 | ||
4950 | for (; dwss != NULL; dwss = dwss->link) | |
4951 | if (dwss->end_exp.X_add_symbol != NULL) | |
4952 | { | |
4953 | subseg_set (dws->sect, dwss->subseg); | |
4954 | symbol_set_value_now (dwss->end_exp.X_add_symbol); | |
4955 | } | |
4956 | } | |
4957 | } | |
4958 | ||
252b5132 | 4959 | #endif /* OBJ_XCOFF */ |
0baf16f2 | 4960 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
252b5132 RH |
4961 | \f |
4962 | /* The .tc pseudo-op. This is used when generating either XCOFF or | |
4963 | ELF. This takes two or more arguments. | |
4964 | ||
4965 | When generating XCOFF output, the first argument is the name to | |
4966 | give to this location in the toc; this will be a symbol with class | |
0baf16f2 | 4967 | TC. The rest of the arguments are N-byte values to actually put at |
252b5132 | 4968 | this location in the TOC; often there is just one more argument, a |
1049f94e | 4969 | relocatable symbol reference. The size of the value to store |
0baf16f2 AM |
4970 | depends on target word size. A 32-bit target uses 4-byte values, a |
4971 | 64-bit target uses 8-byte values. | |
252b5132 RH |
4972 | |
4973 | When not generating XCOFF output, the arguments are the same, but | |
4974 | the first argument is simply ignored. */ | |
4975 | ||
4976 | static void | |
98027b10 | 4977 | ppc_tc (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4978 | { |
4979 | #ifdef OBJ_XCOFF | |
4980 | ||
4981 | /* Define the TOC symbol name. */ | |
4982 | { | |
4983 | char *name; | |
4984 | char endc; | |
4985 | symbolS *sym; | |
4986 | ||
4987 | if (ppc_toc_csect == (symbolS *) NULL | |
4988 | || ppc_toc_csect != ppc_current_csect) | |
4989 | { | |
4990 | as_bad (_(".tc not in .toc section")); | |
4991 | ignore_rest_of_line (); | |
4992 | return; | |
4993 | } | |
4994 | ||
d02603dc | 4995 | endc = get_symbol_name (&name); |
252b5132 RH |
4996 | |
4997 | sym = symbol_find_or_make (name); | |
4998 | ||
d02603dc | 4999 | (void) restore_line_pointer (endc); |
252b5132 RH |
5000 | |
5001 | if (S_IS_DEFINED (sym)) | |
5002 | { | |
5003 | symbolS *label; | |
5004 | ||
809ffe0d | 5005 | label = symbol_get_tc (ppc_current_csect)->within; |
96d56e9f | 5006 | if (symbol_get_tc (label)->symbol_class != XMC_TC0) |
252b5132 RH |
5007 | { |
5008 | as_bad (_(".tc with no label")); | |
5009 | ignore_rest_of_line (); | |
5010 | return; | |
5011 | } | |
5012 | ||
5013 | S_SET_SEGMENT (label, S_GET_SEGMENT (sym)); | |
809ffe0d | 5014 | symbol_set_frag (label, symbol_get_frag (sym)); |
252b5132 RH |
5015 | S_SET_VALUE (label, S_GET_VALUE (sym)); |
5016 | ||
5017 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
5018 | ++input_line_pointer; | |
5019 | ||
5020 | return; | |
5021 | } | |
5022 | ||
5023 | S_SET_SEGMENT (sym, now_seg); | |
809ffe0d | 5024 | symbol_set_frag (sym, frag_now); |
252b5132 | 5025 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); |
96d56e9f | 5026 | symbol_get_tc (sym)->symbol_class = XMC_TC; |
809ffe0d | 5027 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
5028 | |
5029 | ppc_frob_label (sym); | |
5030 | } | |
5031 | ||
0baf16f2 AM |
5032 | #endif /* OBJ_XCOFF */ |
5033 | #ifdef OBJ_ELF | |
9c7977b3 | 5034 | int align; |
252b5132 RH |
5035 | |
5036 | /* Skip the TOC symbol name. */ | |
5037 | while (is_part_of_name (*input_line_pointer) | |
d13d4015 | 5038 | || *input_line_pointer == ' ' |
252b5132 RH |
5039 | || *input_line_pointer == '[' |
5040 | || *input_line_pointer == ']' | |
5041 | || *input_line_pointer == '{' | |
5042 | || *input_line_pointer == '}') | |
5043 | ++input_line_pointer; | |
5044 | ||
0baf16f2 | 5045 | /* Align to a four/eight byte boundary. */ |
2b3c4602 | 5046 | align = ppc_obj64 ? 3 : 2; |
9c7977b3 AM |
5047 | frag_align (align, 0, 0); |
5048 | record_alignment (now_seg, align); | |
0baf16f2 | 5049 | #endif /* OBJ_ELF */ |
252b5132 RH |
5050 | |
5051 | if (*input_line_pointer != ',') | |
5052 | demand_empty_rest_of_line (); | |
5053 | else | |
5054 | { | |
5055 | ++input_line_pointer; | |
2b3c4602 | 5056 | cons (ppc_obj64 ? 8 : 4); |
252b5132 RH |
5057 | } |
5058 | } | |
0baf16f2 AM |
5059 | |
5060 | /* Pseudo-op .machine. */ | |
0baf16f2 AM |
5061 | |
5062 | static void | |
98027b10 | 5063 | ppc_machine (int ignore ATTRIBUTE_UNUSED) |
0baf16f2 | 5064 | { |
d02603dc | 5065 | char c; |
69c040df AM |
5066 | char *cpu_string; |
5067 | #define MAX_HISTORY 100 | |
fa452fa6 | 5068 | static ppc_cpu_t *cpu_history; |
69c040df AM |
5069 | static int curr_hist; |
5070 | ||
5071 | SKIP_WHITESPACE (); | |
5072 | ||
d02603dc NC |
5073 | c = get_symbol_name (&cpu_string); |
5074 | cpu_string = xstrdup (cpu_string); | |
5075 | (void) restore_line_pointer (c); | |
69c040df AM |
5076 | |
5077 | if (cpu_string != NULL) | |
5078 | { | |
fa452fa6 | 5079 | ppc_cpu_t old_cpu = ppc_cpu; |
69fe9ce5 | 5080 | ppc_cpu_t new_cpu; |
69c040df AM |
5081 | char *p; |
5082 | ||
5083 | for (p = cpu_string; *p != 0; p++) | |
5084 | *p = TOLOWER (*p); | |
5085 | ||
5086 | if (strcmp (cpu_string, "push") == 0) | |
5087 | { | |
5088 | if (cpu_history == NULL) | |
325801bd | 5089 | cpu_history = XNEWVEC (ppc_cpu_t, MAX_HISTORY); |
69c040df AM |
5090 | |
5091 | if (curr_hist >= MAX_HISTORY) | |
5092 | as_bad (_(".machine stack overflow")); | |
5093 | else | |
5094 | cpu_history[curr_hist++] = ppc_cpu; | |
5095 | } | |
5096 | else if (strcmp (cpu_string, "pop") == 0) | |
5097 | { | |
5098 | if (curr_hist <= 0) | |
5099 | as_bad (_(".machine stack underflow")); | |
5100 | else | |
5101 | ppc_cpu = cpu_history[--curr_hist]; | |
5102 | } | |
776fc418 | 5103 | else if ((new_cpu = ppc_parse_cpu (ppc_cpu, &sticky, cpu_string)) != 0) |
69fe9ce5 | 5104 | ppc_cpu = new_cpu; |
69c040df AM |
5105 | else |
5106 | as_bad (_("invalid machine `%s'"), cpu_string); | |
5107 | ||
5108 | if (ppc_cpu != old_cpu) | |
5109 | ppc_setup_opcodes (); | |
5110 | } | |
5111 | ||
5112 | demand_empty_rest_of_line (); | |
0baf16f2 | 5113 | } |
0baf16f2 | 5114 | #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */ |
252b5132 RH |
5115 | \f |
5116 | #ifdef TE_PE | |
5117 | ||
99a814a1 | 5118 | /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */ |
252b5132 RH |
5119 | |
5120 | /* Set the current section. */ | |
5121 | static void | |
98027b10 | 5122 | ppc_set_current_section (segT new) |
252b5132 RH |
5123 | { |
5124 | ppc_previous_section = ppc_current_section; | |
5125 | ppc_current_section = new; | |
5126 | } | |
5127 | ||
5128 | /* pseudo-op: .previous | |
5129 | behaviour: toggles the current section with the previous section. | |
5130 | errors: None | |
99a814a1 AM |
5131 | warnings: "No previous section" */ |
5132 | ||
252b5132 | 5133 | static void |
98027b10 | 5134 | ppc_previous (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 5135 | { |
81d4177b | 5136 | if (ppc_previous_section == NULL) |
252b5132 | 5137 | { |
d6ed37ed | 5138 | as_warn (_("no previous section to return to, ignored.")); |
252b5132 RH |
5139 | return; |
5140 | } | |
5141 | ||
99a814a1 | 5142 | subseg_set (ppc_previous_section, 0); |
252b5132 | 5143 | |
99a814a1 | 5144 | ppc_set_current_section (ppc_previous_section); |
252b5132 RH |
5145 | } |
5146 | ||
5147 | /* pseudo-op: .pdata | |
5148 | behaviour: predefined read only data section | |
b34976b6 | 5149 | double word aligned |
252b5132 RH |
5150 | errors: None |
5151 | warnings: None | |
5152 | initial: .section .pdata "adr3" | |
b34976b6 | 5153 | a - don't know -- maybe a misprint |
252b5132 RH |
5154 | d - initialized data |
5155 | r - readable | |
5156 | 3 - double word aligned (that would be 4 byte boundary) | |
5157 | ||
5158 | commentary: | |
5159 | Tag index tables (also known as the function table) for exception | |
99a814a1 | 5160 | handling, debugging, etc. */ |
252b5132 | 5161 | |
252b5132 | 5162 | static void |
98027b10 | 5163 | ppc_pdata (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 5164 | { |
81d4177b | 5165 | if (pdata_section == 0) |
252b5132 RH |
5166 | { |
5167 | pdata_section = subseg_new (".pdata", 0); | |
81d4177b | 5168 | |
252b5132 RH |
5169 | bfd_set_section_flags (stdoutput, pdata_section, |
5170 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
5171 | | SEC_READONLY | SEC_DATA )); | |
81d4177b | 5172 | |
252b5132 RH |
5173 | bfd_set_section_alignment (stdoutput, pdata_section, 2); |
5174 | } | |
5175 | else | |
5176 | { | |
99a814a1 | 5177 | pdata_section = subseg_new (".pdata", 0); |
252b5132 | 5178 | } |
99a814a1 | 5179 | ppc_set_current_section (pdata_section); |
252b5132 RH |
5180 | } |
5181 | ||
5182 | /* pseudo-op: .ydata | |
5183 | behaviour: predefined read only data section | |
b34976b6 | 5184 | double word aligned |
252b5132 RH |
5185 | errors: None |
5186 | warnings: None | |
5187 | initial: .section .ydata "drw3" | |
b34976b6 | 5188 | a - don't know -- maybe a misprint |
252b5132 RH |
5189 | d - initialized data |
5190 | r - readable | |
5191 | 3 - double word aligned (that would be 4 byte boundary) | |
5192 | commentary: | |
5193 | Tag tables (also known as the scope table) for exception handling, | |
99a814a1 AM |
5194 | debugging, etc. */ |
5195 | ||
252b5132 | 5196 | static void |
98027b10 | 5197 | ppc_ydata (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 5198 | { |
81d4177b | 5199 | if (ydata_section == 0) |
252b5132 RH |
5200 | { |
5201 | ydata_section = subseg_new (".ydata", 0); | |
5202 | bfd_set_section_flags (stdoutput, ydata_section, | |
99a814a1 AM |
5203 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
5204 | | SEC_READONLY | SEC_DATA )); | |
252b5132 RH |
5205 | |
5206 | bfd_set_section_alignment (stdoutput, ydata_section, 3); | |
5207 | } | |
5208 | else | |
5209 | { | |
5210 | ydata_section = subseg_new (".ydata", 0); | |
5211 | } | |
99a814a1 | 5212 | ppc_set_current_section (ydata_section); |
252b5132 RH |
5213 | } |
5214 | ||
5215 | /* pseudo-op: .reldata | |
5216 | behaviour: predefined read write data section | |
b34976b6 | 5217 | double word aligned (4-byte) |
252b5132 RH |
5218 | FIXME: relocation is applied to it |
5219 | FIXME: what's the difference between this and .data? | |
5220 | errors: None | |
5221 | warnings: None | |
5222 | initial: .section .reldata "drw3" | |
5223 | d - initialized data | |
5224 | r - readable | |
33eaf5de | 5225 | w - writable |
252b5132 RH |
5226 | 3 - double word aligned (that would be 8 byte boundary) |
5227 | ||
5228 | commentary: | |
5229 | Like .data, but intended to hold data subject to relocation, such as | |
99a814a1 AM |
5230 | function descriptors, etc. */ |
5231 | ||
252b5132 | 5232 | static void |
98027b10 | 5233 | ppc_reldata (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5234 | { |
5235 | if (reldata_section == 0) | |
5236 | { | |
5237 | reldata_section = subseg_new (".reldata", 0); | |
5238 | ||
5239 | bfd_set_section_flags (stdoutput, reldata_section, | |
99a814a1 AM |
5240 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
5241 | | SEC_DATA)); | |
252b5132 RH |
5242 | |
5243 | bfd_set_section_alignment (stdoutput, reldata_section, 2); | |
5244 | } | |
5245 | else | |
5246 | { | |
5247 | reldata_section = subseg_new (".reldata", 0); | |
5248 | } | |
99a814a1 | 5249 | ppc_set_current_section (reldata_section); |
252b5132 RH |
5250 | } |
5251 | ||
5252 | /* pseudo-op: .rdata | |
5253 | behaviour: predefined read only data section | |
b34976b6 | 5254 | double word aligned |
252b5132 RH |
5255 | errors: None |
5256 | warnings: None | |
5257 | initial: .section .rdata "dr3" | |
5258 | d - initialized data | |
5259 | r - readable | |
99a814a1 AM |
5260 | 3 - double word aligned (that would be 4 byte boundary) */ |
5261 | ||
252b5132 | 5262 | static void |
98027b10 | 5263 | ppc_rdata (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5264 | { |
5265 | if (rdata_section == 0) | |
5266 | { | |
5267 | rdata_section = subseg_new (".rdata", 0); | |
5268 | bfd_set_section_flags (stdoutput, rdata_section, | |
5269 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
5270 | | SEC_READONLY | SEC_DATA )); | |
5271 | ||
5272 | bfd_set_section_alignment (stdoutput, rdata_section, 2); | |
5273 | } | |
5274 | else | |
5275 | { | |
5276 | rdata_section = subseg_new (".rdata", 0); | |
5277 | } | |
99a814a1 | 5278 | ppc_set_current_section (rdata_section); |
252b5132 RH |
5279 | } |
5280 | ||
5281 | /* pseudo-op: .ualong | |
81d4177b | 5282 | behaviour: much like .int, with the exception that no alignment is |
b34976b6 | 5283 | performed. |
252b5132 RH |
5284 | FIXME: test the alignment statement |
5285 | errors: None | |
99a814a1 AM |
5286 | warnings: None */ |
5287 | ||
252b5132 | 5288 | static void |
98027b10 | 5289 | ppc_ualong (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 5290 | { |
99a814a1 AM |
5291 | /* Try for long. */ |
5292 | cons (4); | |
252b5132 RH |
5293 | } |
5294 | ||
5295 | /* pseudo-op: .znop <symbol name> | |
5296 | behaviour: Issue a nop instruction | |
b34976b6 | 5297 | Issue a IMAGE_REL_PPC_IFGLUE relocation against it, using |
252b5132 RH |
5298 | the supplied symbol name. |
5299 | errors: None | |
99a814a1 AM |
5300 | warnings: Missing symbol name */ |
5301 | ||
252b5132 | 5302 | static void |
98027b10 | 5303 | ppc_znop (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5304 | { |
5305 | unsigned long insn; | |
5306 | const struct powerpc_opcode *opcode; | |
252b5132 | 5307 | char *f; |
252b5132 | 5308 | symbolS *sym; |
252b5132 RH |
5309 | char *symbol_name; |
5310 | char c; | |
5311 | char *name; | |
252b5132 | 5312 | |
99a814a1 | 5313 | /* Strip out the symbol name. */ |
d02603dc | 5314 | c = get_symbol_name (&symbol_name); |
252b5132 | 5315 | |
a44e2901 | 5316 | name = xstrdup (symbol_name); |
252b5132 RH |
5317 | |
5318 | sym = symbol_find_or_make (name); | |
5319 | ||
5320 | *input_line_pointer = c; | |
5321 | ||
d02603dc | 5322 | SKIP_WHITESPACE_AFTER_NAME (); |
252b5132 RH |
5323 | |
5324 | /* Look up the opcode in the hash table. */ | |
5325 | opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, "nop"); | |
5326 | ||
99a814a1 | 5327 | /* Stick in the nop. */ |
252b5132 RH |
5328 | insn = opcode->opcode; |
5329 | ||
5330 | /* Write out the instruction. */ | |
5331 | f = frag_more (4); | |
5332 | md_number_to_chars (f, insn, 4); | |
5333 | fix_new (frag_now, | |
5334 | f - frag_now->fr_literal, | |
5335 | 4, | |
5336 | sym, | |
5337 | 0, | |
5338 | 0, | |
5339 | BFD_RELOC_16_GOT_PCREL); | |
5340 | ||
5341 | } | |
5342 | ||
81d4177b KH |
5343 | /* pseudo-op: |
5344 | behaviour: | |
5345 | errors: | |
99a814a1 AM |
5346 | warnings: */ |
5347 | ||
252b5132 | 5348 | static void |
98027b10 | 5349 | ppc_pe_comm (int lcomm) |
252b5132 | 5350 | { |
98027b10 AM |
5351 | char *name; |
5352 | char c; | |
5353 | char *p; | |
252b5132 | 5354 | offsetT temp; |
98027b10 | 5355 | symbolS *symbolP; |
252b5132 RH |
5356 | offsetT align; |
5357 | ||
d02603dc | 5358 | c = get_symbol_name (&name); |
252b5132 | 5359 | |
99a814a1 | 5360 | /* just after name is now '\0'. */ |
252b5132 RH |
5361 | p = input_line_pointer; |
5362 | *p = c; | |
d02603dc | 5363 | SKIP_WHITESPACE_AFTER_NAME (); |
252b5132 RH |
5364 | if (*input_line_pointer != ',') |
5365 | { | |
d6ed37ed | 5366 | as_bad (_("expected comma after symbol-name: rest of line ignored.")); |
252b5132 RH |
5367 | ignore_rest_of_line (); |
5368 | return; | |
5369 | } | |
5370 | ||
5371 | input_line_pointer++; /* skip ',' */ | |
5372 | if ((temp = get_absolute_expression ()) < 0) | |
5373 | { | |
5374 | as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) temp); | |
5375 | ignore_rest_of_line (); | |
5376 | return; | |
5377 | } | |
5378 | ||
5379 | if (! lcomm) | |
5380 | { | |
5381 | /* The third argument to .comm is the alignment. */ | |
5382 | if (*input_line_pointer != ',') | |
5383 | align = 3; | |
5384 | else | |
5385 | { | |
5386 | ++input_line_pointer; | |
5387 | align = get_absolute_expression (); | |
5388 | if (align <= 0) | |
5389 | { | |
5390 | as_warn (_("ignoring bad alignment")); | |
5391 | align = 3; | |
5392 | } | |
5393 | } | |
5394 | } | |
5395 | ||
5396 | *p = 0; | |
5397 | symbolP = symbol_find_or_make (name); | |
5398 | ||
5399 | *p = c; | |
5400 | if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP)) | |
5401 | { | |
d6ed37ed | 5402 | as_bad (_("ignoring attempt to re-define symbol `%s'."), |
252b5132 RH |
5403 | S_GET_NAME (symbolP)); |
5404 | ignore_rest_of_line (); | |
5405 | return; | |
5406 | } | |
5407 | ||
5408 | if (S_GET_VALUE (symbolP)) | |
5409 | { | |
5410 | if (S_GET_VALUE (symbolP) != (valueT) temp) | |
d6ed37ed | 5411 | as_bad (_("length of .comm \"%s\" is already %ld. Not changed to %ld."), |
252b5132 RH |
5412 | S_GET_NAME (symbolP), |
5413 | (long) S_GET_VALUE (symbolP), | |
5414 | (long) temp); | |
5415 | } | |
5416 | else | |
5417 | { | |
5418 | S_SET_VALUE (symbolP, (valueT) temp); | |
5419 | S_SET_EXTERNAL (symbolP); | |
86ebace2 | 5420 | S_SET_SEGMENT (symbolP, bfd_com_section_ptr); |
252b5132 RH |
5421 | } |
5422 | ||
5423 | demand_empty_rest_of_line (); | |
5424 | } | |
5425 | ||
5426 | /* | |
5427 | * implement the .section pseudo op: | |
5428 | * .section name {, "flags"} | |
5429 | * ^ ^ | |
5430 | * | +--- optional flags: 'b' for bss | |
5431 | * | 'i' for info | |
5432 | * +-- section name 'l' for lib | |
5433 | * 'n' for noload | |
5434 | * 'o' for over | |
5435 | * 'w' for data | |
5436 | * 'd' (apparently m88k for data) | |
5437 | * 'x' for text | |
5438 | * But if the argument is not a quoted string, treat it as a | |
5439 | * subsegment number. | |
5440 | * | |
5441 | * FIXME: this is a copy of the section processing from obj-coff.c, with | |
5442 | * additions/changes for the moto-pas assembler support. There are three | |
5443 | * categories: | |
5444 | * | |
81d4177b | 5445 | * FIXME: I just noticed this. This doesn't work at all really. It it |
252b5132 RH |
5446 | * setting bits that bfd probably neither understands or uses. The |
5447 | * correct approach (?) will have to incorporate extra fields attached | |
5448 | * to the section to hold the system specific stuff. (krk) | |
5449 | * | |
5450 | * Section Contents: | |
5451 | * 'a' - unknown - referred to in documentation, but no definition supplied | |
5452 | * 'c' - section has code | |
5453 | * 'd' - section has initialized data | |
5454 | * 'u' - section has uninitialized data | |
5455 | * 'i' - section contains directives (info) | |
5456 | * 'n' - section can be discarded | |
5457 | * 'R' - remove section at link time | |
5458 | * | |
5459 | * Section Protection: | |
5460 | * 'r' - section is readable | |
33eaf5de | 5461 | * 'w' - section is writable |
252b5132 RH |
5462 | * 'x' - section is executable |
5463 | * 's' - section is sharable | |
5464 | * | |
5465 | * Section Alignment: | |
5466 | * '0' - align to byte boundary | |
33eaf5de | 5467 | * '1' - align to halfword boundary |
252b5132 RH |
5468 | * '2' - align to word boundary |
5469 | * '3' - align to doubleword boundary | |
5470 | * '4' - align to quadword boundary | |
5471 | * '5' - align to 32 byte boundary | |
5472 | * '6' - align to 64 byte boundary | |
5473 | * | |
5474 | */ | |
5475 | ||
5476 | void | |
98027b10 | 5477 | ppc_pe_section (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 5478 | { |
99a814a1 | 5479 | /* Strip out the section name. */ |
252b5132 RH |
5480 | char *section_name; |
5481 | char c; | |
5482 | char *name; | |
5483 | unsigned int exp; | |
5484 | flagword flags; | |
5485 | segT sec; | |
5486 | int align; | |
5487 | ||
d02603dc | 5488 | c = get_symbol_name (§ion_name); |
252b5132 | 5489 | |
a44e2901 | 5490 | name = xstrdup (section_name); |
252b5132 RH |
5491 | |
5492 | *input_line_pointer = c; | |
5493 | ||
d02603dc | 5494 | SKIP_WHITESPACE_AFTER_NAME (); |
252b5132 RH |
5495 | |
5496 | exp = 0; | |
5497 | flags = SEC_NO_FLAGS; | |
5498 | ||
5499 | if (strcmp (name, ".idata$2") == 0) | |
5500 | { | |
5501 | align = 0; | |
5502 | } | |
5503 | else if (strcmp (name, ".idata$3") == 0) | |
5504 | { | |
5505 | align = 0; | |
5506 | } | |
5507 | else if (strcmp (name, ".idata$4") == 0) | |
5508 | { | |
5509 | align = 2; | |
5510 | } | |
5511 | else if (strcmp (name, ".idata$5") == 0) | |
5512 | { | |
5513 | align = 2; | |
5514 | } | |
5515 | else if (strcmp (name, ".idata$6") == 0) | |
5516 | { | |
5517 | align = 1; | |
5518 | } | |
5519 | else | |
99a814a1 AM |
5520 | /* Default alignment to 16 byte boundary. */ |
5521 | align = 4; | |
252b5132 RH |
5522 | |
5523 | if (*input_line_pointer == ',') | |
5524 | { | |
5525 | ++input_line_pointer; | |
5526 | SKIP_WHITESPACE (); | |
5527 | if (*input_line_pointer != '"') | |
5528 | exp = get_absolute_expression (); | |
5529 | else | |
5530 | { | |
5531 | ++input_line_pointer; | |
5532 | while (*input_line_pointer != '"' | |
5533 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
5534 | { | |
5535 | switch (*input_line_pointer) | |
5536 | { | |
5537 | /* Section Contents */ | |
5538 | case 'a': /* unknown */ | |
d6ed37ed | 5539 | as_bad (_("unsupported section attribute -- 'a'")); |
252b5132 RH |
5540 | break; |
5541 | case 'c': /* code section */ | |
81d4177b | 5542 | flags |= SEC_CODE; |
252b5132 RH |
5543 | break; |
5544 | case 'd': /* section has initialized data */ | |
5545 | flags |= SEC_DATA; | |
5546 | break; | |
5547 | case 'u': /* section has uninitialized data */ | |
5548 | /* FIXME: This is IMAGE_SCN_CNT_UNINITIALIZED_DATA | |
5549 | in winnt.h */ | |
5550 | flags |= SEC_ROM; | |
5551 | break; | |
5552 | case 'i': /* section contains directives (info) */ | |
5553 | /* FIXME: This is IMAGE_SCN_LNK_INFO | |
5554 | in winnt.h */ | |
5555 | flags |= SEC_HAS_CONTENTS; | |
5556 | break; | |
5557 | case 'n': /* section can be discarded */ | |
81d4177b | 5558 | flags &=~ SEC_LOAD; |
252b5132 RH |
5559 | break; |
5560 | case 'R': /* Remove section at link time */ | |
5561 | flags |= SEC_NEVER_LOAD; | |
5562 | break; | |
8d452c78 | 5563 | #if IFLICT_BRAIN_DAMAGE |
252b5132 RH |
5564 | /* Section Protection */ |
5565 | case 'r': /* section is readable */ | |
5566 | flags |= IMAGE_SCN_MEM_READ; | |
5567 | break; | |
33eaf5de | 5568 | case 'w': /* section is writable */ |
252b5132 RH |
5569 | flags |= IMAGE_SCN_MEM_WRITE; |
5570 | break; | |
5571 | case 'x': /* section is executable */ | |
5572 | flags |= IMAGE_SCN_MEM_EXECUTE; | |
5573 | break; | |
5574 | case 's': /* section is sharable */ | |
5575 | flags |= IMAGE_SCN_MEM_SHARED; | |
5576 | break; | |
5577 | ||
5578 | /* Section Alignment */ | |
5579 | case '0': /* align to byte boundary */ | |
5580 | flags |= IMAGE_SCN_ALIGN_1BYTES; | |
5581 | align = 0; | |
5582 | break; | |
5583 | case '1': /* align to halfword boundary */ | |
5584 | flags |= IMAGE_SCN_ALIGN_2BYTES; | |
5585 | align = 1; | |
5586 | break; | |
5587 | case '2': /* align to word boundary */ | |
5588 | flags |= IMAGE_SCN_ALIGN_4BYTES; | |
5589 | align = 2; | |
5590 | break; | |
5591 | case '3': /* align to doubleword boundary */ | |
5592 | flags |= IMAGE_SCN_ALIGN_8BYTES; | |
5593 | align = 3; | |
5594 | break; | |
5595 | case '4': /* align to quadword boundary */ | |
5596 | flags |= IMAGE_SCN_ALIGN_16BYTES; | |
5597 | align = 4; | |
5598 | break; | |
5599 | case '5': /* align to 32 byte boundary */ | |
5600 | flags |= IMAGE_SCN_ALIGN_32BYTES; | |
5601 | align = 5; | |
5602 | break; | |
5603 | case '6': /* align to 64 byte boundary */ | |
5604 | flags |= IMAGE_SCN_ALIGN_64BYTES; | |
5605 | align = 6; | |
5606 | break; | |
8d452c78 | 5607 | #endif |
252b5132 | 5608 | default: |
99a814a1 AM |
5609 | as_bad (_("unknown section attribute '%c'"), |
5610 | *input_line_pointer); | |
252b5132 RH |
5611 | break; |
5612 | } | |
5613 | ++input_line_pointer; | |
5614 | } | |
5615 | if (*input_line_pointer == '"') | |
5616 | ++input_line_pointer; | |
5617 | } | |
5618 | } | |
5619 | ||
5620 | sec = subseg_new (name, (subsegT) exp); | |
5621 | ||
99a814a1 | 5622 | ppc_set_current_section (sec); |
252b5132 RH |
5623 | |
5624 | if (flags != SEC_NO_FLAGS) | |
5625 | { | |
5626 | if (! bfd_set_section_flags (stdoutput, sec, flags)) | |
5627 | as_bad (_("error setting flags for \"%s\": %s"), | |
5628 | bfd_section_name (stdoutput, sec), | |
5629 | bfd_errmsg (bfd_get_error ())); | |
5630 | } | |
5631 | ||
99a814a1 | 5632 | bfd_set_section_alignment (stdoutput, sec, align); |
252b5132 RH |
5633 | } |
5634 | ||
5635 | static void | |
98027b10 | 5636 | ppc_pe_function (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5637 | { |
5638 | char *name; | |
5639 | char endc; | |
5640 | symbolS *ext_sym; | |
5641 | ||
d02603dc | 5642 | endc = get_symbol_name (&name); |
252b5132 RH |
5643 | |
5644 | ext_sym = symbol_find_or_make (name); | |
5645 | ||
d02603dc | 5646 | (void) restore_line_pointer (endc); |
252b5132 RH |
5647 | |
5648 | S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT); | |
5649 | SF_SET_FUNCTION (ext_sym); | |
5650 | SF_SET_PROCESS (ext_sym); | |
5651 | coff_add_linesym (ext_sym); | |
5652 | ||
5653 | demand_empty_rest_of_line (); | |
5654 | } | |
5655 | ||
5656 | static void | |
98027b10 | 5657 | ppc_pe_tocd (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5658 | { |
5659 | if (tocdata_section == 0) | |
5660 | { | |
5661 | tocdata_section = subseg_new (".tocd", 0); | |
99a814a1 | 5662 | /* FIXME: section flags won't work. */ |
252b5132 RH |
5663 | bfd_set_section_flags (stdoutput, tocdata_section, |
5664 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
99a814a1 | 5665 | | SEC_READONLY | SEC_DATA)); |
252b5132 RH |
5666 | |
5667 | bfd_set_section_alignment (stdoutput, tocdata_section, 2); | |
5668 | } | |
5669 | else | |
5670 | { | |
5671 | rdata_section = subseg_new (".tocd", 0); | |
5672 | } | |
5673 | ||
99a814a1 | 5674 | ppc_set_current_section (tocdata_section); |
252b5132 RH |
5675 | |
5676 | demand_empty_rest_of_line (); | |
5677 | } | |
5678 | ||
5679 | /* Don't adjust TOC relocs to use the section symbol. */ | |
5680 | ||
5681 | int | |
98027b10 | 5682 | ppc_pe_fix_adjustable (fixS *fix) |
252b5132 RH |
5683 | { |
5684 | return fix->fx_r_type != BFD_RELOC_PPC_TOC16; | |
5685 | } | |
5686 | ||
5687 | #endif | |
5688 | \f | |
5689 | #ifdef OBJ_XCOFF | |
5690 | ||
5691 | /* XCOFF specific symbol and file handling. */ | |
5692 | ||
5693 | /* Canonicalize the symbol name. We use the to force the suffix, if | |
5694 | any, to use square brackets, and to be in upper case. */ | |
5695 | ||
5696 | char * | |
98027b10 | 5697 | ppc_canonicalize_symbol_name (char *name) |
252b5132 RH |
5698 | { |
5699 | char *s; | |
5700 | ||
5701 | if (ppc_stab_symbol) | |
5702 | return name; | |
5703 | ||
5704 | for (s = name; *s != '\0' && *s != '{' && *s != '['; s++) | |
5705 | ; | |
5706 | if (*s != '\0') | |
5707 | { | |
5708 | char brac; | |
5709 | ||
5710 | if (*s == '[') | |
5711 | brac = ']'; | |
5712 | else | |
5713 | { | |
5714 | *s = '['; | |
5715 | brac = '}'; | |
5716 | } | |
5717 | ||
5718 | for (s++; *s != '\0' && *s != brac; s++) | |
3882b010 | 5719 | *s = TOUPPER (*s); |
252b5132 RH |
5720 | |
5721 | if (*s == '\0' || s[1] != '\0') | |
5722 | as_bad (_("bad symbol suffix")); | |
5723 | ||
5724 | *s = ']'; | |
5725 | } | |
5726 | ||
5727 | return name; | |
5728 | } | |
5729 | ||
5730 | /* Set the class of a symbol based on the suffix, if any. This is | |
5731 | called whenever a new symbol is created. */ | |
5732 | ||
5733 | void | |
98027b10 | 5734 | ppc_symbol_new_hook (symbolS *sym) |
252b5132 | 5735 | { |
809ffe0d | 5736 | struct ppc_tc_sy *tc; |
252b5132 RH |
5737 | const char *s; |
5738 | ||
809ffe0d ILT |
5739 | tc = symbol_get_tc (sym); |
5740 | tc->next = NULL; | |
5741 | tc->output = 0; | |
96d56e9f | 5742 | tc->symbol_class = -1; |
809ffe0d ILT |
5743 | tc->real_name = NULL; |
5744 | tc->subseg = 0; | |
5745 | tc->align = 0; | |
85645aed TG |
5746 | tc->u.size = NULL; |
5747 | tc->u.dw = NULL; | |
809ffe0d | 5748 | tc->within = NULL; |
252b5132 RH |
5749 | |
5750 | if (ppc_stab_symbol) | |
5751 | return; | |
5752 | ||
5753 | s = strchr (S_GET_NAME (sym), '['); | |
5754 | if (s == (const char *) NULL) | |
5755 | { | |
5756 | /* There is no suffix. */ | |
5757 | return; | |
5758 | } | |
5759 | ||
5760 | ++s; | |
5761 | ||
5762 | switch (s[0]) | |
5763 | { | |
5764 | case 'B': | |
5765 | if (strcmp (s, "BS]") == 0) | |
96d56e9f | 5766 | tc->symbol_class = XMC_BS; |
252b5132 RH |
5767 | break; |
5768 | case 'D': | |
5769 | if (strcmp (s, "DB]") == 0) | |
96d56e9f | 5770 | tc->symbol_class = XMC_DB; |
252b5132 | 5771 | else if (strcmp (s, "DS]") == 0) |
96d56e9f | 5772 | tc->symbol_class = XMC_DS; |
252b5132 RH |
5773 | break; |
5774 | case 'G': | |
5775 | if (strcmp (s, "GL]") == 0) | |
96d56e9f | 5776 | tc->symbol_class = XMC_GL; |
252b5132 RH |
5777 | break; |
5778 | case 'P': | |
5779 | if (strcmp (s, "PR]") == 0) | |
96d56e9f | 5780 | tc->symbol_class = XMC_PR; |
252b5132 RH |
5781 | break; |
5782 | case 'R': | |
5783 | if (strcmp (s, "RO]") == 0) | |
96d56e9f | 5784 | tc->symbol_class = XMC_RO; |
252b5132 | 5785 | else if (strcmp (s, "RW]") == 0) |
96d56e9f | 5786 | tc->symbol_class = XMC_RW; |
252b5132 RH |
5787 | break; |
5788 | case 'S': | |
5789 | if (strcmp (s, "SV]") == 0) | |
96d56e9f | 5790 | tc->symbol_class = XMC_SV; |
252b5132 RH |
5791 | break; |
5792 | case 'T': | |
5793 | if (strcmp (s, "TC]") == 0) | |
96d56e9f | 5794 | tc->symbol_class = XMC_TC; |
252b5132 | 5795 | else if (strcmp (s, "TI]") == 0) |
96d56e9f | 5796 | tc->symbol_class = XMC_TI; |
252b5132 | 5797 | else if (strcmp (s, "TB]") == 0) |
96d56e9f | 5798 | tc->symbol_class = XMC_TB; |
252b5132 | 5799 | else if (strcmp (s, "TC0]") == 0 || strcmp (s, "T0]") == 0) |
96d56e9f | 5800 | tc->symbol_class = XMC_TC0; |
252b5132 RH |
5801 | break; |
5802 | case 'U': | |
5803 | if (strcmp (s, "UA]") == 0) | |
96d56e9f | 5804 | tc->symbol_class = XMC_UA; |
252b5132 | 5805 | else if (strcmp (s, "UC]") == 0) |
96d56e9f | 5806 | tc->symbol_class = XMC_UC; |
252b5132 RH |
5807 | break; |
5808 | case 'X': | |
5809 | if (strcmp (s, "XO]") == 0) | |
96d56e9f | 5810 | tc->symbol_class = XMC_XO; |
252b5132 RH |
5811 | break; |
5812 | } | |
5813 | ||
96d56e9f | 5814 | if (tc->symbol_class == -1) |
d6ed37ed | 5815 | as_bad (_("unrecognized symbol suffix")); |
252b5132 RH |
5816 | } |
5817 | ||
5818 | /* Set the class of a label based on where it is defined. This | |
5819 | handles symbols without suffixes. Also, move the symbol so that it | |
5820 | follows the csect symbol. */ | |
5821 | ||
5822 | void | |
98027b10 | 5823 | ppc_frob_label (symbolS *sym) |
252b5132 RH |
5824 | { |
5825 | if (ppc_current_csect != (symbolS *) NULL) | |
5826 | { | |
96d56e9f NC |
5827 | if (symbol_get_tc (sym)->symbol_class == -1) |
5828 | symbol_get_tc (sym)->symbol_class = symbol_get_tc (ppc_current_csect)->symbol_class; | |
252b5132 RH |
5829 | |
5830 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
5831 | symbol_append (sym, symbol_get_tc (ppc_current_csect)->within, |
5832 | &symbol_rootP, &symbol_lastP); | |
5833 | symbol_get_tc (ppc_current_csect)->within = sym; | |
2fb4b302 | 5834 | symbol_get_tc (sym)->within = ppc_current_csect; |
252b5132 | 5835 | } |
07a53e5c RH |
5836 | |
5837 | #ifdef OBJ_ELF | |
5838 | dwarf2_emit_label (sym); | |
5839 | #endif | |
252b5132 RH |
5840 | } |
5841 | ||
5842 | /* This variable is set by ppc_frob_symbol if any absolute symbols are | |
5843 | seen. It tells ppc_adjust_symtab whether it needs to look through | |
5844 | the symbols. */ | |
5845 | ||
b34976b6 | 5846 | static bfd_boolean ppc_saw_abs; |
252b5132 RH |
5847 | |
5848 | /* Change the name of a symbol just before writing it out. Set the | |
5849 | real name if the .rename pseudo-op was used. Otherwise, remove any | |
5850 | class suffix. Return 1 if the symbol should not be included in the | |
5851 | symbol table. */ | |
5852 | ||
5853 | int | |
98027b10 | 5854 | ppc_frob_symbol (symbolS *sym) |
252b5132 RH |
5855 | { |
5856 | static symbolS *ppc_last_function; | |
5857 | static symbolS *set_end; | |
5858 | ||
5859 | /* Discard symbols that should not be included in the output symbol | |
5860 | table. */ | |
809ffe0d ILT |
5861 | if (! symbol_used_in_reloc_p (sym) |
5862 | && ((symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) != 0 | |
670ec21d | 5863 | || (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym)) |
809ffe0d | 5864 | && ! symbol_get_tc (sym)->output |
252b5132 RH |
5865 | && S_GET_STORAGE_CLASS (sym) != C_FILE))) |
5866 | return 1; | |
5867 | ||
a161fe53 AM |
5868 | /* This one will disappear anyway. Don't make a csect sym for it. */ |
5869 | if (sym == abs_section_sym) | |
5870 | return 1; | |
5871 | ||
809ffe0d ILT |
5872 | if (symbol_get_tc (sym)->real_name != (char *) NULL) |
5873 | S_SET_NAME (sym, symbol_get_tc (sym)->real_name); | |
252b5132 RH |
5874 | else |
5875 | { | |
5876 | const char *name; | |
5877 | const char *s; | |
5878 | ||
5879 | name = S_GET_NAME (sym); | |
5880 | s = strchr (name, '['); | |
5881 | if (s != (char *) NULL) | |
5882 | { | |
5883 | unsigned int len; | |
5884 | char *snew; | |
5885 | ||
5886 | len = s - name; | |
a44e2901 | 5887 | snew = xstrndup (name, len); |
252b5132 RH |
5888 | |
5889 | S_SET_NAME (sym, snew); | |
5890 | } | |
5891 | } | |
5892 | ||
5893 | if (set_end != (symbolS *) NULL) | |
5894 | { | |
5895 | SA_SET_SYM_ENDNDX (set_end, sym); | |
5896 | set_end = NULL; | |
5897 | } | |
5898 | ||
5899 | if (SF_GET_FUNCTION (sym)) | |
5900 | { | |
5901 | if (ppc_last_function != (symbolS *) NULL) | |
5902 | as_bad (_("two .function pseudo-ops with no intervening .ef")); | |
5903 | ppc_last_function = sym; | |
85645aed | 5904 | if (symbol_get_tc (sym)->u.size != (symbolS *) NULL) |
252b5132 | 5905 | { |
85645aed | 5906 | resolve_symbol_value (symbol_get_tc (sym)->u.size); |
809ffe0d | 5907 | SA_SET_SYM_FSIZE (sym, |
85645aed | 5908 | (long) S_GET_VALUE (symbol_get_tc (sym)->u.size)); |
252b5132 RH |
5909 | } |
5910 | } | |
5911 | else if (S_GET_STORAGE_CLASS (sym) == C_FCN | |
5912 | && strcmp (S_GET_NAME (sym), ".ef") == 0) | |
5913 | { | |
5914 | if (ppc_last_function == (symbolS *) NULL) | |
5915 | as_bad (_(".ef with no preceding .function")); | |
5916 | else | |
5917 | { | |
5918 | set_end = ppc_last_function; | |
5919 | ppc_last_function = NULL; | |
5920 | ||
5921 | /* We don't have a C_EFCN symbol, but we need to force the | |
5922 | COFF backend to believe that it has seen one. */ | |
5923 | coff_last_function = NULL; | |
5924 | } | |
5925 | } | |
5926 | ||
670ec21d | 5927 | if (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym)) |
809ffe0d | 5928 | && (symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) == 0 |
252b5132 RH |
5929 | && S_GET_STORAGE_CLASS (sym) != C_FILE |
5930 | && S_GET_STORAGE_CLASS (sym) != C_FCN | |
5931 | && S_GET_STORAGE_CLASS (sym) != C_BLOCK | |
5932 | && S_GET_STORAGE_CLASS (sym) != C_BSTAT | |
5933 | && S_GET_STORAGE_CLASS (sym) != C_ESTAT | |
5934 | && S_GET_STORAGE_CLASS (sym) != C_BINCL | |
5935 | && S_GET_STORAGE_CLASS (sym) != C_EINCL | |
5936 | && S_GET_SEGMENT (sym) != ppc_coff_debug_section) | |
5937 | S_SET_STORAGE_CLASS (sym, C_HIDEXT); | |
5938 | ||
5939 | if (S_GET_STORAGE_CLASS (sym) == C_EXT | |
8602d4fe | 5940 | || S_GET_STORAGE_CLASS (sym) == C_AIX_WEAKEXT |
252b5132 RH |
5941 | || S_GET_STORAGE_CLASS (sym) == C_HIDEXT) |
5942 | { | |
5943 | int i; | |
5944 | union internal_auxent *a; | |
5945 | ||
5946 | /* Create a csect aux. */ | |
5947 | i = S_GET_NUMBER_AUXILIARY (sym); | |
5948 | S_SET_NUMBER_AUXILIARY (sym, i + 1); | |
809ffe0d | 5949 | a = &coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].u.auxent; |
96d56e9f | 5950 | if (symbol_get_tc (sym)->symbol_class == XMC_TC0) |
252b5132 RH |
5951 | { |
5952 | /* This is the TOC table. */ | |
5953 | know (strcmp (S_GET_NAME (sym), "TOC") == 0); | |
5954 | a->x_csect.x_scnlen.l = 0; | |
5955 | a->x_csect.x_smtyp = (2 << 3) | XTY_SD; | |
5956 | } | |
809ffe0d | 5957 | else if (symbol_get_tc (sym)->subseg != 0) |
252b5132 RH |
5958 | { |
5959 | /* This is a csect symbol. x_scnlen is the size of the | |
5960 | csect. */ | |
809ffe0d | 5961 | if (symbol_get_tc (sym)->next == (symbolS *) NULL) |
252b5132 RH |
5962 | a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput, |
5963 | S_GET_SEGMENT (sym)) | |
5964 | - S_GET_VALUE (sym)); | |
5965 | else | |
5966 | { | |
6386f3a7 | 5967 | resolve_symbol_value (symbol_get_tc (sym)->next); |
809ffe0d | 5968 | a->x_csect.x_scnlen.l = (S_GET_VALUE (symbol_get_tc (sym)->next) |
252b5132 RH |
5969 | - S_GET_VALUE (sym)); |
5970 | } | |
809ffe0d | 5971 | a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_SD; |
252b5132 RH |
5972 | } |
5973 | else if (S_GET_SEGMENT (sym) == bss_section) | |
5974 | { | |
5975 | /* This is a common symbol. */ | |
809ffe0d ILT |
5976 | a->x_csect.x_scnlen.l = symbol_get_frag (sym)->fr_offset; |
5977 | a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_CM; | |
252b5132 | 5978 | if (S_IS_EXTERNAL (sym)) |
96d56e9f | 5979 | symbol_get_tc (sym)->symbol_class = XMC_RW; |
252b5132 | 5980 | else |
96d56e9f | 5981 | symbol_get_tc (sym)->symbol_class = XMC_BS; |
252b5132 RH |
5982 | } |
5983 | else if (S_GET_SEGMENT (sym) == absolute_section) | |
5984 | { | |
5985 | /* This is an absolute symbol. The csect will be created by | |
99a814a1 | 5986 | ppc_adjust_symtab. */ |
b34976b6 | 5987 | ppc_saw_abs = TRUE; |
252b5132 | 5988 | a->x_csect.x_smtyp = XTY_LD; |
96d56e9f NC |
5989 | if (symbol_get_tc (sym)->symbol_class == -1) |
5990 | symbol_get_tc (sym)->symbol_class = XMC_XO; | |
252b5132 RH |
5991 | } |
5992 | else if (! S_IS_DEFINED (sym)) | |
5993 | { | |
5994 | /* This is an external symbol. */ | |
5995 | a->x_csect.x_scnlen.l = 0; | |
5996 | a->x_csect.x_smtyp = XTY_ER; | |
5997 | } | |
96d56e9f | 5998 | else if (symbol_get_tc (sym)->symbol_class == XMC_TC) |
252b5132 RH |
5999 | { |
6000 | symbolS *next; | |
6001 | ||
6002 | /* This is a TOC definition. x_scnlen is the size of the | |
6003 | TOC entry. */ | |
6004 | next = symbol_next (sym); | |
96d56e9f | 6005 | while (symbol_get_tc (next)->symbol_class == XMC_TC0) |
252b5132 RH |
6006 | next = symbol_next (next); |
6007 | if (next == (symbolS *) NULL | |
96d56e9f | 6008 | || symbol_get_tc (next)->symbol_class != XMC_TC) |
252b5132 RH |
6009 | { |
6010 | if (ppc_after_toc_frag == (fragS *) NULL) | |
6011 | a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput, | |
6012 | data_section) | |
6013 | - S_GET_VALUE (sym)); | |
6014 | else | |
6015 | a->x_csect.x_scnlen.l = (ppc_after_toc_frag->fr_address | |
6016 | - S_GET_VALUE (sym)); | |
6017 | } | |
6018 | else | |
6019 | { | |
6386f3a7 | 6020 | resolve_symbol_value (next); |
252b5132 RH |
6021 | a->x_csect.x_scnlen.l = (S_GET_VALUE (next) |
6022 | - S_GET_VALUE (sym)); | |
6023 | } | |
6024 | a->x_csect.x_smtyp = (2 << 3) | XTY_SD; | |
6025 | } | |
6026 | else | |
6027 | { | |
6028 | symbolS *csect; | |
6029 | ||
6030 | /* This is a normal symbol definition. x_scnlen is the | |
6031 | symbol index of the containing csect. */ | |
6032 | if (S_GET_SEGMENT (sym) == text_section) | |
6033 | csect = ppc_text_csects; | |
6034 | else if (S_GET_SEGMENT (sym) == data_section) | |
6035 | csect = ppc_data_csects; | |
6036 | else | |
6037 | abort (); | |
6038 | ||
6039 | /* Skip the initial dummy symbol. */ | |
809ffe0d | 6040 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
6041 | |
6042 | if (csect == (symbolS *) NULL) | |
6043 | { | |
6044 | as_warn (_("warning: symbol %s has no csect"), S_GET_NAME (sym)); | |
6045 | a->x_csect.x_scnlen.l = 0; | |
6046 | } | |
6047 | else | |
6048 | { | |
809ffe0d | 6049 | while (symbol_get_tc (csect)->next != (symbolS *) NULL) |
252b5132 | 6050 | { |
6386f3a7 | 6051 | resolve_symbol_value (symbol_get_tc (csect)->next); |
809ffe0d ILT |
6052 | if (S_GET_VALUE (symbol_get_tc (csect)->next) |
6053 | > S_GET_VALUE (sym)) | |
252b5132 | 6054 | break; |
809ffe0d | 6055 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
6056 | } |
6057 | ||
809ffe0d ILT |
6058 | a->x_csect.x_scnlen.p = |
6059 | coffsymbol (symbol_get_bfdsym (csect))->native; | |
6060 | coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].fix_scnlen = | |
6061 | 1; | |
252b5132 RH |
6062 | } |
6063 | a->x_csect.x_smtyp = XTY_LD; | |
6064 | } | |
81d4177b | 6065 | |
252b5132 RH |
6066 | a->x_csect.x_parmhash = 0; |
6067 | a->x_csect.x_snhash = 0; | |
96d56e9f | 6068 | if (symbol_get_tc (sym)->symbol_class == -1) |
252b5132 RH |
6069 | a->x_csect.x_smclas = XMC_PR; |
6070 | else | |
96d56e9f | 6071 | a->x_csect.x_smclas = symbol_get_tc (sym)->symbol_class; |
252b5132 RH |
6072 | a->x_csect.x_stab = 0; |
6073 | a->x_csect.x_snstab = 0; | |
6074 | ||
6075 | /* Don't let the COFF backend resort these symbols. */ | |
809ffe0d | 6076 | symbol_get_bfdsym (sym)->flags |= BSF_NOT_AT_END; |
252b5132 RH |
6077 | } |
6078 | else if (S_GET_STORAGE_CLASS (sym) == C_BSTAT) | |
6079 | { | |
6080 | /* We want the value to be the symbol index of the referenced | |
6081 | csect symbol. BFD will do that for us if we set the right | |
6082 | flags. */ | |
b782de16 AM |
6083 | asymbol *bsym = symbol_get_bfdsym (symbol_get_tc (sym)->within); |
6084 | combined_entry_type *c = coffsymbol (bsym)->native; | |
6085 | ||
6086 | S_SET_VALUE (sym, (valueT) (size_t) c); | |
809ffe0d | 6087 | coffsymbol (symbol_get_bfdsym (sym))->native->fix_value = 1; |
252b5132 RH |
6088 | } |
6089 | else if (S_GET_STORAGE_CLASS (sym) == C_STSYM) | |
6090 | { | |
6091 | symbolS *block; | |
c734e7e3 | 6092 | valueT base; |
252b5132 | 6093 | |
809ffe0d | 6094 | block = symbol_get_tc (sym)->within; |
c734e7e3 TG |
6095 | if (block) |
6096 | { | |
6097 | /* The value is the offset from the enclosing csect. */ | |
6098 | symbolS *csect; | |
6099 | ||
6100 | csect = symbol_get_tc (block)->within; | |
6101 | resolve_symbol_value (csect); | |
6102 | base = S_GET_VALUE (csect); | |
6103 | } | |
6104 | else | |
6105 | base = 0; | |
6106 | ||
6107 | S_SET_VALUE (sym, S_GET_VALUE (sym) - base); | |
252b5132 RH |
6108 | } |
6109 | else if (S_GET_STORAGE_CLASS (sym) == C_BINCL | |
6110 | || S_GET_STORAGE_CLASS (sym) == C_EINCL) | |
6111 | { | |
6112 | /* We want the value to be a file offset into the line numbers. | |
99a814a1 AM |
6113 | BFD will do that for us if we set the right flags. We have |
6114 | already set the value correctly. */ | |
809ffe0d | 6115 | coffsymbol (symbol_get_bfdsym (sym))->native->fix_line = 1; |
252b5132 RH |
6116 | } |
6117 | ||
6118 | return 0; | |
6119 | } | |
6120 | ||
6121 | /* Adjust the symbol table. This creates csect symbols for all | |
6122 | absolute symbols. */ | |
6123 | ||
6124 | void | |
98027b10 | 6125 | ppc_adjust_symtab (void) |
252b5132 RH |
6126 | { |
6127 | symbolS *sym; | |
6128 | ||
6129 | if (! ppc_saw_abs) | |
6130 | return; | |
6131 | ||
6132 | for (sym = symbol_rootP; sym != NULL; sym = symbol_next (sym)) | |
6133 | { | |
6134 | symbolS *csect; | |
6135 | int i; | |
6136 | union internal_auxent *a; | |
6137 | ||
6138 | if (S_GET_SEGMENT (sym) != absolute_section) | |
6139 | continue; | |
6140 | ||
6141 | csect = symbol_create (".abs[XO]", absolute_section, | |
6142 | S_GET_VALUE (sym), &zero_address_frag); | |
809ffe0d | 6143 | symbol_get_bfdsym (csect)->value = S_GET_VALUE (sym); |
252b5132 RH |
6144 | S_SET_STORAGE_CLASS (csect, C_HIDEXT); |
6145 | i = S_GET_NUMBER_AUXILIARY (csect); | |
6146 | S_SET_NUMBER_AUXILIARY (csect, i + 1); | |
809ffe0d | 6147 | a = &coffsymbol (symbol_get_bfdsym (csect))->native[i + 1].u.auxent; |
252b5132 RH |
6148 | a->x_csect.x_scnlen.l = 0; |
6149 | a->x_csect.x_smtyp = XTY_SD; | |
6150 | a->x_csect.x_parmhash = 0; | |
6151 | a->x_csect.x_snhash = 0; | |
6152 | a->x_csect.x_smclas = XMC_XO; | |
6153 | a->x_csect.x_stab = 0; | |
6154 | a->x_csect.x_snstab = 0; | |
6155 | ||
6156 | symbol_insert (csect, sym, &symbol_rootP, &symbol_lastP); | |
6157 | ||
6158 | i = S_GET_NUMBER_AUXILIARY (sym); | |
809ffe0d ILT |
6159 | a = &coffsymbol (symbol_get_bfdsym (sym))->native[i].u.auxent; |
6160 | a->x_csect.x_scnlen.p = coffsymbol (symbol_get_bfdsym (csect))->native; | |
6161 | coffsymbol (symbol_get_bfdsym (sym))->native[i].fix_scnlen = 1; | |
252b5132 RH |
6162 | } |
6163 | ||
b34976b6 | 6164 | ppc_saw_abs = FALSE; |
252b5132 RH |
6165 | } |
6166 | ||
6167 | /* Set the VMA for a section. This is called on all the sections in | |
6168 | turn. */ | |
6169 | ||
6170 | void | |
98027b10 | 6171 | ppc_frob_section (asection *sec) |
252b5132 | 6172 | { |
931e13a6 | 6173 | static bfd_vma vma = 0; |
252b5132 | 6174 | |
85645aed TG |
6175 | /* Dwarf sections start at 0. */ |
6176 | if (bfd_get_section_flags (NULL, sec) & SEC_DEBUGGING) | |
6177 | return; | |
6178 | ||
931e13a6 | 6179 | vma = md_section_align (sec, vma); |
252b5132 RH |
6180 | bfd_set_section_vma (stdoutput, sec, vma); |
6181 | vma += bfd_section_size (stdoutput, sec); | |
6182 | } | |
6183 | ||
6184 | #endif /* OBJ_XCOFF */ | |
6185 | \f | |
6d4af3c2 | 6186 | const char * |
98027b10 | 6187 | md_atof (int type, char *litp, int *sizep) |
252b5132 | 6188 | { |
499ac353 | 6189 | return ieee_md_atof (type, litp, sizep, target_big_endian); |
252b5132 RH |
6190 | } |
6191 | ||
6192 | /* Write a value out to the object file, using the appropriate | |
6193 | endianness. */ | |
6194 | ||
6195 | void | |
98027b10 | 6196 | md_number_to_chars (char *buf, valueT val, int n) |
252b5132 RH |
6197 | { |
6198 | if (target_big_endian) | |
6199 | number_to_chars_bigendian (buf, val, n); | |
6200 | else | |
6201 | number_to_chars_littleendian (buf, val, n); | |
6202 | } | |
6203 | ||
6204 | /* Align a section (I don't know why this is machine dependent). */ | |
6205 | ||
6206 | valueT | |
3aeeedbb | 6207 | md_section_align (asection *seg ATTRIBUTE_UNUSED, valueT addr) |
252b5132 | 6208 | { |
3aeeedbb AM |
6209 | #ifdef OBJ_ELF |
6210 | return addr; | |
6211 | #else | |
252b5132 RH |
6212 | int align = bfd_get_section_alignment (stdoutput, seg); |
6213 | ||
8d3842cd | 6214 | return ((addr + (1 << align) - 1) & -(1 << align)); |
3aeeedbb | 6215 | #endif |
252b5132 RH |
6216 | } |
6217 | ||
6218 | /* We don't have any form of relaxing. */ | |
6219 | ||
6220 | int | |
98027b10 AM |
6221 | md_estimate_size_before_relax (fragS *fragp ATTRIBUTE_UNUSED, |
6222 | asection *seg ATTRIBUTE_UNUSED) | |
252b5132 RH |
6223 | { |
6224 | abort (); | |
6225 | return 0; | |
6226 | } | |
6227 | ||
6228 | /* Convert a machine dependent frag. We never generate these. */ | |
6229 | ||
6230 | void | |
98027b10 AM |
6231 | md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, |
6232 | asection *sec ATTRIBUTE_UNUSED, | |
6233 | fragS *fragp ATTRIBUTE_UNUSED) | |
252b5132 RH |
6234 | { |
6235 | abort (); | |
6236 | } | |
6237 | ||
6238 | /* We have no need to default values of symbols. */ | |
6239 | ||
252b5132 | 6240 | symbolS * |
98027b10 | 6241 | md_undefined_symbol (char *name ATTRIBUTE_UNUSED) |
252b5132 RH |
6242 | { |
6243 | return 0; | |
6244 | } | |
6245 | \f | |
6246 | /* Functions concerning relocs. */ | |
6247 | ||
6248 | /* The location from which a PC relative jump should be calculated, | |
6249 | given a PC relative reloc. */ | |
6250 | ||
6251 | long | |
98027b10 | 6252 | md_pcrel_from_section (fixS *fixp, segT sec ATTRIBUTE_UNUSED) |
252b5132 RH |
6253 | { |
6254 | return fixp->fx_frag->fr_address + fixp->fx_where; | |
6255 | } | |
6256 | ||
6257 | #ifdef OBJ_XCOFF | |
6258 | ||
6259 | /* This is called to see whether a fixup should be adjusted to use a | |
6260 | section symbol. We take the opportunity to change a fixup against | |
6261 | a symbol in the TOC subsegment into a reloc against the | |
6262 | corresponding .tc symbol. */ | |
6263 | ||
6264 | int | |
98027b10 | 6265 | ppc_fix_adjustable (fixS *fix) |
252b5132 | 6266 | { |
b782de16 AM |
6267 | valueT val = resolve_symbol_value (fix->fx_addsy); |
6268 | segT symseg = S_GET_SEGMENT (fix->fx_addsy); | |
6269 | TC_SYMFIELD_TYPE *tc; | |
6270 | ||
6271 | if (symseg == absolute_section) | |
6272 | return 0; | |
252b5132 | 6273 | |
85645aed TG |
6274 | /* Always adjust symbols in debugging sections. */ |
6275 | if (bfd_get_section_flags (stdoutput, symseg) & SEC_DEBUGGING) | |
6276 | return 1; | |
6277 | ||
252b5132 | 6278 | if (ppc_toc_csect != (symbolS *) NULL |
252b5132 | 6279 | && fix->fx_addsy != ppc_toc_csect |
b782de16 | 6280 | && symseg == data_section |
252b5132 RH |
6281 | && val >= ppc_toc_frag->fr_address |
6282 | && (ppc_after_toc_frag == (fragS *) NULL | |
6283 | || val < ppc_after_toc_frag->fr_address)) | |
6284 | { | |
6285 | symbolS *sy; | |
6286 | ||
6287 | for (sy = symbol_next (ppc_toc_csect); | |
6288 | sy != (symbolS *) NULL; | |
6289 | sy = symbol_next (sy)) | |
6290 | { | |
b782de16 AM |
6291 | TC_SYMFIELD_TYPE *sy_tc = symbol_get_tc (sy); |
6292 | ||
96d56e9f | 6293 | if (sy_tc->symbol_class == XMC_TC0) |
252b5132 | 6294 | continue; |
96d56e9f | 6295 | if (sy_tc->symbol_class != XMC_TC) |
252b5132 | 6296 | break; |
b782de16 | 6297 | if (val == resolve_symbol_value (sy)) |
252b5132 RH |
6298 | { |
6299 | fix->fx_addsy = sy; | |
6300 | fix->fx_addnumber = val - ppc_toc_frag->fr_address; | |
6301 | return 0; | |
6302 | } | |
6303 | } | |
6304 | ||
6305 | as_bad_where (fix->fx_file, fix->fx_line, | |
6306 | _("symbol in .toc does not match any .tc")); | |
6307 | } | |
6308 | ||
6309 | /* Possibly adjust the reloc to be against the csect. */ | |
b782de16 AM |
6310 | tc = symbol_get_tc (fix->fx_addsy); |
6311 | if (tc->subseg == 0 | |
96d56e9f NC |
6312 | && tc->symbol_class != XMC_TC0 |
6313 | && tc->symbol_class != XMC_TC | |
b782de16 | 6314 | && symseg != bss_section |
252b5132 | 6315 | /* Don't adjust if this is a reloc in the toc section. */ |
b782de16 | 6316 | && (symseg != data_section |
252b5132 RH |
6317 | || ppc_toc_csect == NULL |
6318 | || val < ppc_toc_frag->fr_address | |
6319 | || (ppc_after_toc_frag != NULL | |
6320 | && val >= ppc_after_toc_frag->fr_address))) | |
6321 | { | |
2fb4b302 | 6322 | symbolS *csect = tc->within; |
252b5132 | 6323 | |
2fb4b302 TG |
6324 | /* If the symbol was not declared by a label (eg: a section symbol), |
6325 | use the section instead of the csect. This doesn't happen in | |
6326 | normal AIX assembly code. */ | |
6327 | if (csect == NULL) | |
6328 | csect = seg_info (symseg)->sym; | |
252b5132 | 6329 | |
2fb4b302 TG |
6330 | fix->fx_offset += val - symbol_get_frag (csect)->fr_address; |
6331 | fix->fx_addsy = csect; | |
252b5132 | 6332 | |
b782de16 | 6333 | return 0; |
252b5132 RH |
6334 | } |
6335 | ||
6336 | /* Adjust a reloc against a .lcomm symbol to be against the base | |
6337 | .lcomm. */ | |
b782de16 | 6338 | if (symseg == bss_section |
252b5132 RH |
6339 | && ! S_IS_EXTERNAL (fix->fx_addsy)) |
6340 | { | |
b782de16 AM |
6341 | symbolS *sy = symbol_get_frag (fix->fx_addsy)->fr_symbol; |
6342 | ||
6343 | fix->fx_offset += val - resolve_symbol_value (sy); | |
6344 | fix->fx_addsy = sy; | |
252b5132 RH |
6345 | } |
6346 | ||
6347 | return 0; | |
6348 | } | |
6349 | ||
6350 | /* A reloc from one csect to another must be kept. The assembler | |
6351 | will, of course, keep relocs between sections, and it will keep | |
6352 | absolute relocs, but we need to force it to keep PC relative relocs | |
6353 | between two csects in the same section. */ | |
6354 | ||
6355 | int | |
98027b10 | 6356 | ppc_force_relocation (fixS *fix) |
252b5132 RH |
6357 | { |
6358 | /* At this point fix->fx_addsy should already have been converted to | |
6359 | a csect symbol. If the csect does not include the fragment, then | |
6360 | we need to force the relocation. */ | |
6361 | if (fix->fx_pcrel | |
6362 | && fix->fx_addsy != NULL | |
809ffe0d ILT |
6363 | && symbol_get_tc (fix->fx_addsy)->subseg != 0 |
6364 | && ((symbol_get_frag (fix->fx_addsy)->fr_address | |
6365 | > fix->fx_frag->fr_address) | |
6366 | || (symbol_get_tc (fix->fx_addsy)->next != NULL | |
6367 | && (symbol_get_frag (symbol_get_tc (fix->fx_addsy)->next)->fr_address | |
252b5132 RH |
6368 | <= fix->fx_frag->fr_address)))) |
6369 | return 1; | |
6370 | ||
ae6063d4 | 6371 | return generic_force_reloc (fix); |
252b5132 RH |
6372 | } |
6373 | ||
2fb4b302 TG |
6374 | void |
6375 | ppc_new_dot_label (symbolS *sym) | |
6376 | { | |
6377 | /* Anchor this label to the current csect for relocations. */ | |
6378 | symbol_get_tc (sym)->within = ppc_current_csect; | |
6379 | } | |
6380 | ||
252b5132 RH |
6381 | #endif /* OBJ_XCOFF */ |
6382 | ||
0baf16f2 | 6383 | #ifdef OBJ_ELF |
a161fe53 AM |
6384 | /* If this function returns non-zero, it guarantees that a relocation |
6385 | will be emitted for a fixup. */ | |
6386 | ||
6387 | int | |
98027b10 | 6388 | ppc_force_relocation (fixS *fix) |
a161fe53 AM |
6389 | { |
6390 | /* Branch prediction relocations must force a relocation, as must | |
6391 | the vtable description relocs. */ | |
6392 | switch (fix->fx_r_type) | |
6393 | { | |
6394 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
6395 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
6396 | case BFD_RELOC_PPC_BA16_BRTAKEN: | |
6397 | case BFD_RELOC_PPC_BA16_BRNTAKEN: | |
c744ecf2 | 6398 | case BFD_RELOC_24_PLT_PCREL: |
a161fe53 | 6399 | case BFD_RELOC_PPC64_TOC: |
a161fe53 | 6400 | return 1; |
6911b7dc AM |
6401 | case BFD_RELOC_PPC_B26: |
6402 | case BFD_RELOC_PPC_BA26: | |
6403 | case BFD_RELOC_PPC_B16: | |
6404 | case BFD_RELOC_PPC_BA16: | |
6405 | /* All branch fixups targeting a localentry symbol must | |
6406 | force a relocation. */ | |
6407 | if (fix->fx_addsy) | |
6408 | { | |
6409 | asymbol *bfdsym = symbol_get_bfdsym (fix->fx_addsy); | |
6410 | elf_symbol_type *elfsym | |
6411 | = elf_symbol_from (bfd_asymbol_bfd (bfdsym), bfdsym); | |
6412 | gas_assert (elfsym); | |
6413 | if ((STO_PPC64_LOCAL_MASK & elfsym->internal_elf_sym.st_other) != 0) | |
6414 | return 1; | |
6415 | } | |
6416 | break; | |
a161fe53 AM |
6417 | default: |
6418 | break; | |
6419 | } | |
6420 | ||
cdba85ec AM |
6421 | if (fix->fx_r_type >= BFD_RELOC_PPC_TLS |
6422 | && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA) | |
6423 | return 1; | |
6424 | ||
ae6063d4 | 6425 | return generic_force_reloc (fix); |
a161fe53 AM |
6426 | } |
6427 | ||
0baf16f2 | 6428 | int |
98027b10 | 6429 | ppc_fix_adjustable (fixS *fix) |
252b5132 | 6430 | { |
6911b7dc AM |
6431 | switch (fix->fx_r_type) |
6432 | { | |
6433 | /* All branch fixups targeting a localentry symbol must | |
6434 | continue using the symbol. */ | |
6435 | case BFD_RELOC_PPC_B26: | |
6436 | case BFD_RELOC_PPC_BA26: | |
6437 | case BFD_RELOC_PPC_B16: | |
6438 | case BFD_RELOC_PPC_BA16: | |
6439 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
6440 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
6441 | case BFD_RELOC_PPC_BA16_BRTAKEN: | |
6442 | case BFD_RELOC_PPC_BA16_BRNTAKEN: | |
6443 | if (fix->fx_addsy) | |
6444 | { | |
6445 | asymbol *bfdsym = symbol_get_bfdsym (fix->fx_addsy); | |
6446 | elf_symbol_type *elfsym | |
6447 | = elf_symbol_from (bfd_asymbol_bfd (bfdsym), bfdsym); | |
6448 | gas_assert (elfsym); | |
6449 | if ((STO_PPC64_LOCAL_MASK & elfsym->internal_elf_sym.st_other) != 0) | |
6450 | return 0; | |
6451 | } | |
6452 | break; | |
6453 | default: | |
6454 | break; | |
6455 | } | |
6456 | ||
0baf16f2 AM |
6457 | return (fix->fx_r_type != BFD_RELOC_16_GOTOFF |
6458 | && fix->fx_r_type != BFD_RELOC_LO16_GOTOFF | |
6459 | && fix->fx_r_type != BFD_RELOC_HI16_GOTOFF | |
6460 | && fix->fx_r_type != BFD_RELOC_HI16_S_GOTOFF | |
cc9edbf3 AM |
6461 | && fix->fx_r_type != BFD_RELOC_PPC64_GOT16_DS |
6462 | && fix->fx_r_type != BFD_RELOC_PPC64_GOT16_LO_DS | |
0baf16f2 AM |
6463 | && fix->fx_r_type != BFD_RELOC_GPREL16 |
6464 | && fix->fx_r_type != BFD_RELOC_VTABLE_INHERIT | |
6465 | && fix->fx_r_type != BFD_RELOC_VTABLE_ENTRY | |
cdba85ec | 6466 | && !(fix->fx_r_type >= BFD_RELOC_PPC_TLS |
ab1e9ef7 | 6467 | && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA)); |
252b5132 | 6468 | } |
0baf16f2 | 6469 | #endif |
252b5132 | 6470 | |
b9c361e0 JL |
6471 | void |
6472 | ppc_frag_check (struct frag *fragP) | |
6473 | { | |
6474 | if (!fragP->has_code) | |
6475 | return; | |
6476 | ||
f7d69005 | 6477 | if ((ppc_cpu & PPC_OPCODE_VLE) != 0) |
b9c361e0 JL |
6478 | { |
6479 | if (((fragP->fr_address + fragP->insn_addr) & 1) != 0) | |
6480 | as_bad (_("instruction address is not a multiple of 2")); | |
6481 | } | |
6482 | else | |
6483 | { | |
6484 | if (((fragP->fr_address + fragP->insn_addr) & 3) != 0) | |
6485 | as_bad (_("instruction address is not a multiple of 4")); | |
6486 | } | |
6487 | } | |
6488 | ||
3aeeedbb AM |
6489 | /* Implement HANDLE_ALIGN. This writes the NOP pattern into an |
6490 | rs_align_code frag. */ | |
6491 | ||
6492 | void | |
6493 | ppc_handle_align (struct frag *fragP) | |
6494 | { | |
6495 | valueT count = (fragP->fr_next->fr_address | |
6496 | - (fragP->fr_address + fragP->fr_fix)); | |
6497 | ||
f7d69005 | 6498 | if ((ppc_cpu & PPC_OPCODE_VLE) != 0 && count != 0 && (count & 1) == 0) |
b9c361e0 JL |
6499 | { |
6500 | char *dest = fragP->fr_literal + fragP->fr_fix; | |
6501 | ||
6502 | fragP->fr_var = 2; | |
6503 | md_number_to_chars (dest, 0x4400, 2); | |
6504 | } | |
6505 | else if (count != 0 && (count & 3) == 0) | |
3aeeedbb AM |
6506 | { |
6507 | char *dest = fragP->fr_literal + fragP->fr_fix; | |
6508 | ||
6509 | fragP->fr_var = 4; | |
cef4f754 AM |
6510 | |
6511 | if (count > 4 * nop_limit && count < 0x2000000) | |
6512 | { | |
6513 | struct frag *rest; | |
6514 | ||
6515 | /* Make a branch, then follow with nops. Insert another | |
6516 | frag to handle the nops. */ | |
6517 | md_number_to_chars (dest, 0x48000000 + count, 4); | |
6518 | count -= 4; | |
6519 | if (count == 0) | |
6520 | return; | |
6521 | ||
6522 | rest = xmalloc (SIZEOF_STRUCT_FRAG + 4); | |
6523 | memcpy (rest, fragP, SIZEOF_STRUCT_FRAG); | |
6524 | fragP->fr_next = rest; | |
6525 | fragP = rest; | |
6526 | rest->fr_address += rest->fr_fix + 4; | |
6527 | rest->fr_fix = 0; | |
6528 | /* If we leave the next frag as rs_align_code we'll come here | |
6529 | again, resulting in a bunch of branches rather than a | |
6530 | branch followed by nops. */ | |
6531 | rest->fr_type = rs_align; | |
6532 | dest = rest->fr_literal; | |
6533 | } | |
6534 | ||
3aeeedbb AM |
6535 | md_number_to_chars (dest, 0x60000000, 4); |
6536 | ||
42240548 | 6537 | if ((ppc_cpu & PPC_OPCODE_POWER6) != 0 |
5817ffd1 | 6538 | || (ppc_cpu & PPC_OPCODE_POWER7) != 0 |
a680de9a PB |
6539 | || (ppc_cpu & PPC_OPCODE_POWER8) != 0 |
6540 | || (ppc_cpu & PPC_OPCODE_POWER9) != 0) | |
3aeeedbb | 6541 | { |
a680de9a PB |
6542 | /* For power6, power7, power8 and power9, we want the last nop to be |
6543 | a group terminating one. Do this by inserting an rs_fill frag | |
6544 | immediately after this one, with its address set to the last nop | |
6545 | location. This will automatically reduce the number of nops in | |
6546 | the current frag by one. */ | |
3aeeedbb AM |
6547 | if (count > 4) |
6548 | { | |
6549 | struct frag *group_nop = xmalloc (SIZEOF_STRUCT_FRAG + 4); | |
6550 | ||
6551 | memcpy (group_nop, fragP, SIZEOF_STRUCT_FRAG); | |
6552 | group_nop->fr_address = group_nop->fr_next->fr_address - 4; | |
6553 | group_nop->fr_fix = 0; | |
6554 | group_nop->fr_offset = 1; | |
6555 | group_nop->fr_type = rs_fill; | |
6556 | fragP->fr_next = group_nop; | |
6557 | dest = group_nop->fr_literal; | |
6558 | } | |
6559 | ||
5817ffd1 | 6560 | if ((ppc_cpu & PPC_OPCODE_POWER7) != 0 |
a680de9a PB |
6561 | || (ppc_cpu & PPC_OPCODE_POWER8) != 0 |
6562 | || (ppc_cpu & PPC_OPCODE_POWER9) != 0) | |
aea77599 AM |
6563 | { |
6564 | if (ppc_cpu & PPC_OPCODE_E500MC) | |
6565 | /* e500mc group terminating nop: "ori 0,0,0". */ | |
6566 | md_number_to_chars (dest, 0x60000000, 4); | |
6567 | else | |
a680de9a | 6568 | /* power7/power8/power9 group terminating nop: "ori 2,2,0". */ |
aea77599 AM |
6569 | md_number_to_chars (dest, 0x60420000, 4); |
6570 | } | |
42240548 PB |
6571 | else |
6572 | /* power6 group terminating nop: "ori 1,1,0". */ | |
6573 | md_number_to_chars (dest, 0x60210000, 4); | |
3aeeedbb AM |
6574 | } |
6575 | } | |
6576 | } | |
6577 | ||
252b5132 | 6578 | /* Apply a fixup to the object code. This is called for all the |
3b8b57a9 | 6579 | fixups we generated by the calls to fix_new_exp, above. */ |
252b5132 | 6580 | |
94f592af | 6581 | void |
62ebcb5c | 6582 | md_apply_fix (fixS *fixP, valueT *valP, segT seg) |
252b5132 | 6583 | { |
94f592af | 6584 | valueT value = * valP; |
5656a981 AM |
6585 | offsetT fieldval; |
6586 | const struct powerpc_operand *operand; | |
252b5132 RH |
6587 | |
6588 | #ifdef OBJ_ELF | |
94f592af | 6589 | if (fixP->fx_addsy != NULL) |
252b5132 | 6590 | { |
a161fe53 | 6591 | /* Hack around bfd_install_relocation brain damage. */ |
94f592af NC |
6592 | if (fixP->fx_pcrel) |
6593 | value += fixP->fx_frag->fr_address + fixP->fx_where; | |
a680de9a PB |
6594 | |
6595 | if (fixP->fx_addsy == abs_section_sym) | |
6596 | fixP->fx_done = 1; | |
252b5132 RH |
6597 | } |
6598 | else | |
94f592af | 6599 | fixP->fx_done = 1; |
252b5132 | 6600 | #else |
a161fe53 | 6601 | /* FIXME FIXME FIXME: The value we are passed in *valP includes |
7be1c489 AM |
6602 | the symbol values. If we are doing this relocation the code in |
6603 | write.c is going to call bfd_install_relocation, which is also | |
6604 | going to use the symbol value. That means that if the reloc is | |
6605 | fully resolved we want to use *valP since bfd_install_relocation is | |
6606 | not being used. | |
9f0eb232 RS |
6607 | However, if the reloc is not fully resolved we do not want to |
6608 | use *valP, and must use fx_offset instead. If the relocation | |
6609 | is PC-relative, we then need to re-apply md_pcrel_from_section | |
6610 | to this new relocation value. */ | |
94f592af NC |
6611 | if (fixP->fx_addsy == (symbolS *) NULL) |
6612 | fixP->fx_done = 1; | |
6613 | ||
252b5132 | 6614 | else |
9f0eb232 RS |
6615 | { |
6616 | value = fixP->fx_offset; | |
6617 | if (fixP->fx_pcrel) | |
6618 | value -= md_pcrel_from_section (fixP, seg); | |
6619 | } | |
a161fe53 AM |
6620 | #endif |
6621 | ||
7ba71655 AM |
6622 | /* We are only able to convert some relocs to pc-relative. */ |
6623 | if (fixP->fx_pcrel) | |
6624 | { | |
6625 | switch (fixP->fx_r_type) | |
6626 | { | |
6627 | case BFD_RELOC_LO16: | |
6628 | fixP->fx_r_type = BFD_RELOC_LO16_PCREL; | |
6629 | break; | |
6630 | ||
6631 | case BFD_RELOC_HI16: | |
6632 | fixP->fx_r_type = BFD_RELOC_HI16_PCREL; | |
6633 | break; | |
6634 | ||
6635 | case BFD_RELOC_HI16_S: | |
6636 | fixP->fx_r_type = BFD_RELOC_HI16_S_PCREL; | |
6637 | break; | |
6638 | ||
6639 | case BFD_RELOC_64: | |
6640 | fixP->fx_r_type = BFD_RELOC_64_PCREL; | |
6641 | break; | |
6642 | ||
6643 | case BFD_RELOC_32: | |
6644 | fixP->fx_r_type = BFD_RELOC_32_PCREL; | |
6645 | break; | |
6646 | ||
6647 | case BFD_RELOC_16: | |
6648 | fixP->fx_r_type = BFD_RELOC_16_PCREL; | |
6649 | break; | |
6650 | ||
6651 | case BFD_RELOC_PPC_16DX_HA: | |
6652 | fixP->fx_r_type = BFD_RELOC_PPC_REL16DX_HA; | |
6653 | break; | |
6654 | ||
6655 | default: | |
6656 | break; | |
6657 | } | |
6658 | } | |
6659 | else if (!fixP->fx_done | |
6660 | && fixP->fx_r_type == BFD_RELOC_PPC_16DX_HA) | |
252b5132 | 6661 | { |
7ba71655 AM |
6662 | /* addpcis is relative to next insn address. */ |
6663 | value -= 4; | |
6664 | fixP->fx_r_type = BFD_RELOC_PPC_REL16DX_HA; | |
6665 | fixP->fx_pcrel = 1; | |
252b5132 | 6666 | } |
252b5132 | 6667 | |
5656a981 | 6668 | operand = NULL; |
3b8b57a9 | 6669 | if (fixP->fx_pcrel_adjust != 0) |
252b5132 | 6670 | { |
5656a981 | 6671 | /* This is a fixup on an instruction. */ |
3b8b57a9 | 6672 | int opindex = fixP->fx_pcrel_adjust & 0xff; |
252b5132 | 6673 | |
5656a981 | 6674 | operand = &powerpc_operands[opindex]; |
252b5132 | 6675 | #ifdef OBJ_XCOFF |
0baf16f2 AM |
6676 | /* An instruction like `lwz 9,sym(30)' when `sym' is not a TOC symbol |
6677 | does not generate a reloc. It uses the offset of `sym' within its | |
6678 | csect. Other usages, such as `.long sym', generate relocs. This | |
6679 | is the documented behaviour of non-TOC symbols. */ | |
252b5132 | 6680 | if ((operand->flags & PPC_OPERAND_PARENS) != 0 |
b84bf58a | 6681 | && (operand->bitm & 0xfff0) == 0xfff0 |
252b5132 | 6682 | && operand->shift == 0 |
2b3c4602 | 6683 | && (operand->insert == NULL || ppc_obj64) |
94f592af NC |
6684 | && fixP->fx_addsy != NULL |
6685 | && symbol_get_tc (fixP->fx_addsy)->subseg != 0 | |
96d56e9f NC |
6686 | && symbol_get_tc (fixP->fx_addsy)->symbol_class != XMC_TC |
6687 | && symbol_get_tc (fixP->fx_addsy)->symbol_class != XMC_TC0 | |
94f592af | 6688 | && S_GET_SEGMENT (fixP->fx_addsy) != bss_section) |
252b5132 | 6689 | { |
94f592af NC |
6690 | value = fixP->fx_offset; |
6691 | fixP->fx_done = 1; | |
252b5132 | 6692 | } |
ac21e7da TG |
6693 | |
6694 | /* During parsing of instructions, a TOC16 reloc is generated for | |
6695 | instructions such as 'lwz RT,SYM(RB)' if SYM is a symbol defined | |
6696 | in the toc. But at parse time, SYM may be not yet defined, so | |
6697 | check again here. */ | |
6698 | if (fixP->fx_r_type == BFD_RELOC_16 | |
6699 | && fixP->fx_addsy != NULL | |
6700 | && ppc_is_toc_sym (fixP->fx_addsy)) | |
6701 | fixP->fx_r_type = BFD_RELOC_PPC_TOC16; | |
252b5132 | 6702 | #endif |
5656a981 AM |
6703 | } |
6704 | ||
6705 | /* Calculate value to be stored in field. */ | |
6706 | fieldval = value; | |
6707 | switch (fixP->fx_r_type) | |
6708 | { | |
1ec2d25e | 6709 | #ifdef OBJ_ELF |
5656a981 AM |
6710 | case BFD_RELOC_PPC64_ADDR16_LO_DS: |
6711 | case BFD_RELOC_PPC_VLE_LO16A: | |
6712 | case BFD_RELOC_PPC_VLE_LO16D: | |
1ec2d25e | 6713 | #endif |
5656a981 AM |
6714 | case BFD_RELOC_LO16: |
6715 | case BFD_RELOC_LO16_PCREL: | |
6716 | fieldval = value & 0xffff; | |
6717 | sign_extend_16: | |
6718 | if (operand != NULL && (operand->flags & PPC_OPERAND_SIGNED) != 0) | |
f9c6b907 | 6719 | fieldval = SEX16 (fieldval); |
5656a981 AM |
6720 | fixP->fx_no_overflow = 1; |
6721 | break; | |
3c9d25f4 | 6722 | |
f9c6b907 AM |
6723 | case BFD_RELOC_HI16: |
6724 | case BFD_RELOC_HI16_PCREL: | |
5656a981 | 6725 | #ifdef OBJ_ELF |
f9c6b907 AM |
6726 | if (REPORT_OVERFLOW_HI && ppc_obj64) |
6727 | { | |
6728 | fieldval = value >> 16; | |
6729 | if (operand != NULL && (operand->flags & PPC_OPERAND_SIGNED) != 0) | |
6730 | { | |
6731 | valueT sign = (((valueT) -1 >> 16) + 1) >> 1; | |
6732 | fieldval = ((valueT) fieldval ^ sign) - sign; | |
6733 | } | |
6734 | break; | |
6735 | } | |
2b0f3761 | 6736 | /* Fallthru */ |
f9c6b907 | 6737 | |
5656a981 AM |
6738 | case BFD_RELOC_PPC_VLE_HI16A: |
6739 | case BFD_RELOC_PPC_VLE_HI16D: | |
f9c6b907 | 6740 | case BFD_RELOC_PPC64_ADDR16_HIGH: |
5656a981 | 6741 | #endif |
5656a981 AM |
6742 | fieldval = PPC_HI (value); |
6743 | goto sign_extend_16; | |
0baf16f2 | 6744 | |
f9c6b907 AM |
6745 | case BFD_RELOC_HI16_S: |
6746 | case BFD_RELOC_HI16_S_PCREL: | |
7ba71655 | 6747 | case BFD_RELOC_PPC_16DX_HA: |
a680de9a | 6748 | case BFD_RELOC_PPC_REL16DX_HA: |
5656a981 | 6749 | #ifdef OBJ_ELF |
f9c6b907 AM |
6750 | if (REPORT_OVERFLOW_HI && ppc_obj64) |
6751 | { | |
6752 | fieldval = (value + 0x8000) >> 16; | |
6753 | if (operand != NULL && (operand->flags & PPC_OPERAND_SIGNED) != 0) | |
6754 | { | |
6755 | valueT sign = (((valueT) -1 >> 16) + 1) >> 1; | |
6756 | fieldval = ((valueT) fieldval ^ sign) - sign; | |
6757 | } | |
6758 | break; | |
6759 | } | |
2b0f3761 | 6760 | /* Fallthru */ |
f9c6b907 | 6761 | |
5656a981 AM |
6762 | case BFD_RELOC_PPC_VLE_HA16A: |
6763 | case BFD_RELOC_PPC_VLE_HA16D: | |
f9c6b907 | 6764 | case BFD_RELOC_PPC64_ADDR16_HIGHA: |
5656a981 | 6765 | #endif |
5656a981 AM |
6766 | fieldval = PPC_HA (value); |
6767 | goto sign_extend_16; | |
0baf16f2 | 6768 | |
3b8b57a9 | 6769 | #ifdef OBJ_ELF |
5656a981 AM |
6770 | case BFD_RELOC_PPC64_HIGHER: |
6771 | fieldval = PPC_HIGHER (value); | |
6772 | goto sign_extend_16; | |
252b5132 | 6773 | |
5656a981 AM |
6774 | case BFD_RELOC_PPC64_HIGHER_S: |
6775 | fieldval = PPC_HIGHERA (value); | |
6776 | goto sign_extend_16; | |
0baf16f2 | 6777 | |
5656a981 AM |
6778 | case BFD_RELOC_PPC64_HIGHEST: |
6779 | fieldval = PPC_HIGHEST (value); | |
6780 | goto sign_extend_16; | |
0baf16f2 | 6781 | |
5656a981 AM |
6782 | case BFD_RELOC_PPC64_HIGHEST_S: |
6783 | fieldval = PPC_HIGHESTA (value); | |
6784 | goto sign_extend_16; | |
6785 | #endif | |
6786 | ||
6787 | default: | |
6788 | break; | |
6789 | } | |
6790 | ||
6791 | if (operand != NULL) | |
6792 | { | |
6793 | /* Handle relocs in an insn. */ | |
5656a981 AM |
6794 | switch (fixP->fx_r_type) |
6795 | { | |
7fa9fcb6 | 6796 | #ifdef OBJ_ELF |
3b8b57a9 AM |
6797 | /* The following relocs can't be calculated by the assembler. |
6798 | Leave the field zero. */ | |
cdba85ec AM |
6799 | case BFD_RELOC_PPC_TPREL16: |
6800 | case BFD_RELOC_PPC_TPREL16_LO: | |
6801 | case BFD_RELOC_PPC_TPREL16_HI: | |
6802 | case BFD_RELOC_PPC_TPREL16_HA: | |
cdba85ec AM |
6803 | case BFD_RELOC_PPC_DTPREL16: |
6804 | case BFD_RELOC_PPC_DTPREL16_LO: | |
6805 | case BFD_RELOC_PPC_DTPREL16_HI: | |
6806 | case BFD_RELOC_PPC_DTPREL16_HA: | |
cdba85ec AM |
6807 | case BFD_RELOC_PPC_GOT_TLSGD16: |
6808 | case BFD_RELOC_PPC_GOT_TLSGD16_LO: | |
6809 | case BFD_RELOC_PPC_GOT_TLSGD16_HI: | |
6810 | case BFD_RELOC_PPC_GOT_TLSGD16_HA: | |
6811 | case BFD_RELOC_PPC_GOT_TLSLD16: | |
6812 | case BFD_RELOC_PPC_GOT_TLSLD16_LO: | |
6813 | case BFD_RELOC_PPC_GOT_TLSLD16_HI: | |
6814 | case BFD_RELOC_PPC_GOT_TLSLD16_HA: | |
6815 | case BFD_RELOC_PPC_GOT_TPREL16: | |
6816 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
6817 | case BFD_RELOC_PPC_GOT_TPREL16_HI: | |
6818 | case BFD_RELOC_PPC_GOT_TPREL16_HA: | |
6819 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
6820 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
6821 | case BFD_RELOC_PPC_GOT_DTPREL16_HI: | |
6822 | case BFD_RELOC_PPC_GOT_DTPREL16_HA: | |
6823 | case BFD_RELOC_PPC64_TPREL16_DS: | |
6824 | case BFD_RELOC_PPC64_TPREL16_LO_DS: | |
f9c6b907 AM |
6825 | case BFD_RELOC_PPC64_TPREL16_HIGH: |
6826 | case BFD_RELOC_PPC64_TPREL16_HIGHA: | |
cdba85ec AM |
6827 | case BFD_RELOC_PPC64_TPREL16_HIGHER: |
6828 | case BFD_RELOC_PPC64_TPREL16_HIGHERA: | |
6829 | case BFD_RELOC_PPC64_TPREL16_HIGHEST: | |
6830 | case BFD_RELOC_PPC64_TPREL16_HIGHESTA: | |
f9c6b907 AM |
6831 | case BFD_RELOC_PPC64_DTPREL16_HIGH: |
6832 | case BFD_RELOC_PPC64_DTPREL16_HIGHA: | |
cdba85ec AM |
6833 | case BFD_RELOC_PPC64_DTPREL16_DS: |
6834 | case BFD_RELOC_PPC64_DTPREL16_LO_DS: | |
6835 | case BFD_RELOC_PPC64_DTPREL16_HIGHER: | |
6836 | case BFD_RELOC_PPC64_DTPREL16_HIGHERA: | |
6837 | case BFD_RELOC_PPC64_DTPREL16_HIGHEST: | |
6838 | case BFD_RELOC_PPC64_DTPREL16_HIGHESTA: | |
3b8b57a9 | 6839 | gas_assert (fixP->fx_addsy != NULL); |
7c1d0959 | 6840 | S_SET_THREAD_LOCAL (fixP->fx_addsy); |
3b8b57a9 | 6841 | fieldval = 0; |
cdba85ec | 6842 | break; |
3b8b57a9 AM |
6843 | |
6844 | /* These also should leave the field zero for the same | |
6845 | reason. Note that older versions of gas wrote values | |
6846 | here. If we want to go back to the old behaviour, then | |
6847 | all _LO and _LO_DS cases will need to be treated like | |
6848 | BFD_RELOC_LO16_PCREL above. Similarly for _HI etc. */ | |
6849 | case BFD_RELOC_16_GOTOFF: | |
6850 | case BFD_RELOC_LO16_GOTOFF: | |
6851 | case BFD_RELOC_HI16_GOTOFF: | |
6852 | case BFD_RELOC_HI16_S_GOTOFF: | |
6853 | case BFD_RELOC_LO16_PLTOFF: | |
6854 | case BFD_RELOC_HI16_PLTOFF: | |
6855 | case BFD_RELOC_HI16_S_PLTOFF: | |
6856 | case BFD_RELOC_GPREL16: | |
6857 | case BFD_RELOC_16_BASEREL: | |
6858 | case BFD_RELOC_LO16_BASEREL: | |
6859 | case BFD_RELOC_HI16_BASEREL: | |
6860 | case BFD_RELOC_HI16_S_BASEREL: | |
6861 | case BFD_RELOC_PPC_TOC16: | |
6862 | case BFD_RELOC_PPC64_TOC16_LO: | |
6863 | case BFD_RELOC_PPC64_TOC16_HI: | |
6864 | case BFD_RELOC_PPC64_TOC16_HA: | |
6865 | case BFD_RELOC_PPC64_PLTGOT16: | |
6866 | case BFD_RELOC_PPC64_PLTGOT16_LO: | |
6867 | case BFD_RELOC_PPC64_PLTGOT16_HI: | |
6868 | case BFD_RELOC_PPC64_PLTGOT16_HA: | |
6869 | case BFD_RELOC_PPC64_GOT16_DS: | |
6870 | case BFD_RELOC_PPC64_GOT16_LO_DS: | |
6871 | case BFD_RELOC_PPC64_PLT16_LO_DS: | |
6872 | case BFD_RELOC_PPC64_SECTOFF_DS: | |
6873 | case BFD_RELOC_PPC64_SECTOFF_LO_DS: | |
6874 | case BFD_RELOC_PPC64_TOC16_DS: | |
6875 | case BFD_RELOC_PPC64_TOC16_LO_DS: | |
6876 | case BFD_RELOC_PPC64_PLTGOT16_DS: | |
6877 | case BFD_RELOC_PPC64_PLTGOT16_LO_DS: | |
6878 | case BFD_RELOC_PPC_EMB_NADDR16: | |
6879 | case BFD_RELOC_PPC_EMB_NADDR16_LO: | |
6880 | case BFD_RELOC_PPC_EMB_NADDR16_HI: | |
6881 | case BFD_RELOC_PPC_EMB_NADDR16_HA: | |
6882 | case BFD_RELOC_PPC_EMB_SDAI16: | |
6883 | case BFD_RELOC_PPC_EMB_SDA2I16: | |
6884 | case BFD_RELOC_PPC_EMB_SDA2REL: | |
252b5132 | 6885 | case BFD_RELOC_PPC_EMB_SDA21: |
3b8b57a9 AM |
6886 | case BFD_RELOC_PPC_EMB_MRKREF: |
6887 | case BFD_RELOC_PPC_EMB_RELSEC16: | |
6888 | case BFD_RELOC_PPC_EMB_RELST_LO: | |
6889 | case BFD_RELOC_PPC_EMB_RELST_HI: | |
6890 | case BFD_RELOC_PPC_EMB_RELST_HA: | |
6891 | case BFD_RELOC_PPC_EMB_BIT_FLD: | |
6892 | case BFD_RELOC_PPC_EMB_RELSDA: | |
6893 | case BFD_RELOC_PPC_VLE_SDA21: | |
6894 | case BFD_RELOC_PPC_VLE_SDA21_LO: | |
6895 | case BFD_RELOC_PPC_VLE_SDAREL_LO16A: | |
6896 | case BFD_RELOC_PPC_VLE_SDAREL_LO16D: | |
6897 | case BFD_RELOC_PPC_VLE_SDAREL_HI16A: | |
6898 | case BFD_RELOC_PPC_VLE_SDAREL_HI16D: | |
6899 | case BFD_RELOC_PPC_VLE_SDAREL_HA16A: | |
6900 | case BFD_RELOC_PPC_VLE_SDAREL_HA16D: | |
6901 | gas_assert (fixP->fx_addsy != NULL); | |
2b0f3761 | 6902 | /* Fallthru */ |
3b8b57a9 AM |
6903 | |
6904 | case BFD_RELOC_PPC_TLS: | |
6905 | case BFD_RELOC_PPC_TLSGD: | |
6906 | case BFD_RELOC_PPC_TLSLD: | |
6907 | fieldval = 0; | |
3b8b57a9 | 6908 | break; |
7fa9fcb6 TG |
6909 | #endif |
6910 | ||
6911 | #ifdef OBJ_XCOFF | |
6912 | case BFD_RELOC_PPC_B16: | |
6913 | /* Adjust the offset to the instruction boundary. */ | |
6914 | fieldval += 2; | |
6915 | break; | |
6916 | #endif | |
252b5132 | 6917 | |
f728387b AM |
6918 | case BFD_RELOC_VTABLE_INHERIT: |
6919 | case BFD_RELOC_VTABLE_ENTRY: | |
6920 | case BFD_RELOC_PPC_DTPMOD: | |
6921 | case BFD_RELOC_PPC_TPREL: | |
6922 | case BFD_RELOC_PPC_DTPREL: | |
6923 | case BFD_RELOC_PPC_COPY: | |
6924 | case BFD_RELOC_PPC_GLOB_DAT: | |
6925 | case BFD_RELOC_32_PLT_PCREL: | |
6926 | case BFD_RELOC_PPC_EMB_NADDR32: | |
6927 | case BFD_RELOC_PPC64_TOC: | |
6928 | case BFD_RELOC_CTOR: | |
6929 | case BFD_RELOC_32: | |
6930 | case BFD_RELOC_32_PCREL: | |
6931 | case BFD_RELOC_RVA: | |
6932 | case BFD_RELOC_64: | |
6933 | case BFD_RELOC_64_PCREL: | |
6934 | case BFD_RELOC_PPC64_ADDR64_LOCAL: | |
6935 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
6936 | _("%s unsupported as instruction fixup"), | |
6937 | bfd_get_reloc_code_name (fixP->fx_r_type)); | |
6938 | fixP->fx_done = 1; | |
6939 | return; | |
6940 | ||
3b8b57a9 | 6941 | default: |
252b5132 | 6942 | break; |
3b8b57a9 | 6943 | } |
252b5132 | 6944 | |
3b8b57a9 AM |
6945 | #ifdef OBJ_ELF |
6946 | /* powerpc uses RELA style relocs, so if emitting a reloc the field | |
6947 | contents can stay at zero. */ | |
6948 | #define APPLY_RELOC fixP->fx_done | |
6949 | #else | |
6950 | #define APPLY_RELOC 1 | |
6951 | #endif | |
6952 | if ((fieldval != 0 && APPLY_RELOC) || operand->insert != NULL) | |
6953 | { | |
487b24d8 AM |
6954 | unsigned long insn; |
6955 | unsigned char *where; | |
6956 | ||
3b8b57a9 AM |
6957 | /* Fetch the instruction, insert the fully resolved operand |
6958 | value, and stuff the instruction back again. */ | |
487b24d8 | 6959 | where = (unsigned char *) fixP->fx_frag->fr_literal + fixP->fx_where; |
3b8b57a9 | 6960 | if (target_big_endian) |
31a91399 | 6961 | { |
3b8b57a9 | 6962 | if (fixP->fx_size == 4) |
487b24d8 | 6963 | insn = bfd_getb32 (where); |
31a91399 | 6964 | else |
487b24d8 | 6965 | insn = bfd_getb16 (where); |
31a91399 NC |
6966 | } |
6967 | else | |
3b8b57a9 AM |
6968 | { |
6969 | if (fixP->fx_size == 4) | |
487b24d8 | 6970 | insn = bfd_getl32 (where); |
3b8b57a9 | 6971 | else |
487b24d8 | 6972 | insn = bfd_getl16 (where); |
3b8b57a9 AM |
6973 | } |
6974 | insn = ppc_insert_operand (insn, operand, fieldval, | |
6975 | fixP->tc_fix_data.ppc_cpu, | |
6976 | fixP->fx_file, fixP->fx_line); | |
6977 | if (target_big_endian) | |
6978 | { | |
6979 | if (fixP->fx_size == 4) | |
487b24d8 | 6980 | bfd_putb32 (insn, where); |
3b8b57a9 | 6981 | else |
487b24d8 | 6982 | bfd_putb16 (insn, where); |
3b8b57a9 AM |
6983 | } |
6984 | else | |
6985 | { | |
6986 | if (fixP->fx_size == 4) | |
487b24d8 | 6987 | bfd_putl32 (insn, where); |
3b8b57a9 | 6988 | else |
487b24d8 | 6989 | bfd_putl16 (insn, where); |
3b8b57a9 AM |
6990 | } |
6991 | } | |
6992 | ||
6993 | if (fixP->fx_done) | |
6994 | /* Nothing else to do here. */ | |
6995 | return; | |
6996 | ||
6997 | gas_assert (fixP->fx_addsy != NULL); | |
62ebcb5c | 6998 | if (fixP->fx_r_type == BFD_RELOC_NONE) |
3b8b57a9 | 6999 | { |
3b4dbbbf | 7000 | const char *sfile; |
3b8b57a9 AM |
7001 | unsigned int sline; |
7002 | ||
7003 | /* Use expr_symbol_where to see if this is an expression | |
7004 | symbol. */ | |
7005 | if (expr_symbol_where (fixP->fx_addsy, &sfile, &sline)) | |
7006 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
7007 | _("unresolved expression that must be resolved")); | |
7008 | else | |
7009 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
7010 | _("unsupported relocation against %s"), | |
7011 | S_GET_NAME (fixP->fx_addsy)); | |
7012 | fixP->fx_done = 1; | |
7013 | return; | |
7014 | } | |
7015 | } | |
7016 | else | |
7017 | { | |
7018 | /* Handle relocs in data. */ | |
7019 | switch (fixP->fx_r_type) | |
7020 | { | |
252b5132 | 7021 | case BFD_RELOC_VTABLE_INHERIT: |
94f592af NC |
7022 | if (fixP->fx_addsy |
7023 | && !S_IS_DEFINED (fixP->fx_addsy) | |
7024 | && !S_IS_WEAK (fixP->fx_addsy)) | |
7025 | S_SET_WEAK (fixP->fx_addsy); | |
2b0f3761 | 7026 | /* Fallthru */ |
252b5132 RH |
7027 | |
7028 | case BFD_RELOC_VTABLE_ENTRY: | |
94f592af | 7029 | fixP->fx_done = 0; |
252b5132 RH |
7030 | break; |
7031 | ||
0baf16f2 | 7032 | #ifdef OBJ_ELF |
3b8b57a9 AM |
7033 | /* These can appear with @l etc. in data. */ |
7034 | case BFD_RELOC_LO16: | |
3b8b57a9 | 7035 | case BFD_RELOC_LO16_PCREL: |
3b8b57a9 | 7036 | case BFD_RELOC_HI16: |
3b8b57a9 | 7037 | case BFD_RELOC_HI16_PCREL: |
3b8b57a9 | 7038 | case BFD_RELOC_HI16_S: |
3b8b57a9 | 7039 | case BFD_RELOC_HI16_S_PCREL: |
3b8b57a9 | 7040 | case BFD_RELOC_PPC64_HIGHER: |
3b8b57a9 | 7041 | case BFD_RELOC_PPC64_HIGHER_S: |
3b8b57a9 | 7042 | case BFD_RELOC_PPC64_HIGHEST: |
3b8b57a9 | 7043 | case BFD_RELOC_PPC64_HIGHEST_S: |
f9c6b907 AM |
7044 | case BFD_RELOC_PPC64_ADDR16_HIGH: |
7045 | case BFD_RELOC_PPC64_ADDR16_HIGHA: | |
45965137 | 7046 | case BFD_RELOC_PPC64_ADDR64_LOCAL: |
3b8b57a9 AM |
7047 | break; |
7048 | ||
7049 | case BFD_RELOC_PPC_DTPMOD: | |
7050 | case BFD_RELOC_PPC_TPREL: | |
7051 | case BFD_RELOC_PPC_DTPREL: | |
7052 | S_SET_THREAD_LOCAL (fixP->fx_addsy); | |
7053 | break; | |
7054 | ||
7055 | /* Just punt all of these to the linker. */ | |
7056 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
7057 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
7058 | case BFD_RELOC_16_GOTOFF: | |
7059 | case BFD_RELOC_LO16_GOTOFF: | |
7060 | case BFD_RELOC_HI16_GOTOFF: | |
7061 | case BFD_RELOC_HI16_S_GOTOFF: | |
7062 | case BFD_RELOC_LO16_PLTOFF: | |
7063 | case BFD_RELOC_HI16_PLTOFF: | |
7064 | case BFD_RELOC_HI16_S_PLTOFF: | |
7065 | case BFD_RELOC_PPC_COPY: | |
7066 | case BFD_RELOC_PPC_GLOB_DAT: | |
7067 | case BFD_RELOC_16_BASEREL: | |
7068 | case BFD_RELOC_LO16_BASEREL: | |
7069 | case BFD_RELOC_HI16_BASEREL: | |
7070 | case BFD_RELOC_HI16_S_BASEREL: | |
7071 | case BFD_RELOC_PPC_TLS: | |
7072 | case BFD_RELOC_PPC_DTPREL16_LO: | |
7073 | case BFD_RELOC_PPC_DTPREL16_HI: | |
7074 | case BFD_RELOC_PPC_DTPREL16_HA: | |
7075 | case BFD_RELOC_PPC_TPREL16_LO: | |
7076 | case BFD_RELOC_PPC_TPREL16_HI: | |
7077 | case BFD_RELOC_PPC_TPREL16_HA: | |
7078 | case BFD_RELOC_PPC_GOT_TLSGD16: | |
7079 | case BFD_RELOC_PPC_GOT_TLSGD16_LO: | |
7080 | case BFD_RELOC_PPC_GOT_TLSGD16_HI: | |
7081 | case BFD_RELOC_PPC_GOT_TLSGD16_HA: | |
7082 | case BFD_RELOC_PPC_GOT_TLSLD16: | |
7083 | case BFD_RELOC_PPC_GOT_TLSLD16_LO: | |
7084 | case BFD_RELOC_PPC_GOT_TLSLD16_HI: | |
7085 | case BFD_RELOC_PPC_GOT_TLSLD16_HA: | |
7086 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
7087 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
7088 | case BFD_RELOC_PPC_GOT_DTPREL16_HI: | |
7089 | case BFD_RELOC_PPC_GOT_DTPREL16_HA: | |
7090 | case BFD_RELOC_PPC_GOT_TPREL16: | |
7091 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
7092 | case BFD_RELOC_PPC_GOT_TPREL16_HI: | |
7093 | case BFD_RELOC_PPC_GOT_TPREL16_HA: | |
7094 | case BFD_RELOC_24_PLT_PCREL: | |
7095 | case BFD_RELOC_PPC_LOCAL24PC: | |
7096 | case BFD_RELOC_32_PLT_PCREL: | |
7097 | case BFD_RELOC_GPREL16: | |
7098 | case BFD_RELOC_PPC_VLE_SDAREL_LO16A: | |
7099 | case BFD_RELOC_PPC_VLE_SDAREL_HI16A: | |
7100 | case BFD_RELOC_PPC_VLE_SDAREL_HA16A: | |
7101 | case BFD_RELOC_PPC_EMB_NADDR32: | |
7102 | case BFD_RELOC_PPC_EMB_NADDR16: | |
7103 | case BFD_RELOC_PPC_EMB_NADDR16_LO: | |
7104 | case BFD_RELOC_PPC_EMB_NADDR16_HI: | |
7105 | case BFD_RELOC_PPC_EMB_NADDR16_HA: | |
7106 | case BFD_RELOC_PPC_EMB_SDAI16: | |
7107 | case BFD_RELOC_PPC_EMB_SDA2REL: | |
7108 | case BFD_RELOC_PPC_EMB_SDA2I16: | |
7109 | case BFD_RELOC_PPC_EMB_SDA21: | |
7110 | case BFD_RELOC_PPC_VLE_SDA21_LO: | |
7111 | case BFD_RELOC_PPC_EMB_MRKREF: | |
7112 | case BFD_RELOC_PPC_EMB_RELSEC16: | |
7113 | case BFD_RELOC_PPC_EMB_RELST_LO: | |
7114 | case BFD_RELOC_PPC_EMB_RELST_HI: | |
7115 | case BFD_RELOC_PPC_EMB_RELST_HA: | |
7116 | case BFD_RELOC_PPC_EMB_BIT_FLD: | |
7117 | case BFD_RELOC_PPC_EMB_RELSDA: | |
0baf16f2 | 7118 | case BFD_RELOC_PPC64_TOC: |
3b8b57a9 AM |
7119 | case BFD_RELOC_PPC_TOC16: |
7120 | case BFD_RELOC_PPC64_TOC16_LO: | |
7121 | case BFD_RELOC_PPC64_TOC16_HI: | |
7122 | case BFD_RELOC_PPC64_TOC16_HA: | |
f9c6b907 AM |
7123 | case BFD_RELOC_PPC64_DTPREL16_HIGH: |
7124 | case BFD_RELOC_PPC64_DTPREL16_HIGHA: | |
3b8b57a9 AM |
7125 | case BFD_RELOC_PPC64_DTPREL16_HIGHER: |
7126 | case BFD_RELOC_PPC64_DTPREL16_HIGHERA: | |
7127 | case BFD_RELOC_PPC64_DTPREL16_HIGHEST: | |
7128 | case BFD_RELOC_PPC64_DTPREL16_HIGHESTA: | |
f9c6b907 AM |
7129 | case BFD_RELOC_PPC64_TPREL16_HIGH: |
7130 | case BFD_RELOC_PPC64_TPREL16_HIGHA: | |
3b8b57a9 AM |
7131 | case BFD_RELOC_PPC64_TPREL16_HIGHER: |
7132 | case BFD_RELOC_PPC64_TPREL16_HIGHERA: | |
7133 | case BFD_RELOC_PPC64_TPREL16_HIGHEST: | |
7134 | case BFD_RELOC_PPC64_TPREL16_HIGHESTA: | |
94f592af | 7135 | fixP->fx_done = 0; |
0baf16f2 | 7136 | break; |
0baf16f2 | 7137 | #endif |
3b8b57a9 AM |
7138 | |
7139 | #ifdef OBJ_XCOFF | |
7140 | case BFD_RELOC_NONE: | |
3b8b57a9 | 7141 | #endif |
5656a981 AM |
7142 | case BFD_RELOC_CTOR: |
7143 | case BFD_RELOC_32: | |
7144 | case BFD_RELOC_32_PCREL: | |
7145 | case BFD_RELOC_RVA: | |
7146 | case BFD_RELOC_64: | |
7147 | case BFD_RELOC_64_PCREL: | |
7148 | case BFD_RELOC_16: | |
7149 | case BFD_RELOC_16_PCREL: | |
7150 | case BFD_RELOC_8: | |
7151 | break; | |
3b8b57a9 | 7152 | |
252b5132 | 7153 | default: |
bc805888 | 7154 | fprintf (stderr, |
94f592af | 7155 | _("Gas failure, reloc value %d\n"), fixP->fx_r_type); |
99a814a1 | 7156 | fflush (stderr); |
252b5132 RH |
7157 | abort (); |
7158 | } | |
46b596ff | 7159 | |
5656a981 | 7160 | if (fixP->fx_size && APPLY_RELOC) |
46b596ff | 7161 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
5656a981 | 7162 | fieldval, fixP->fx_size); |
bf7279d5 AM |
7163 | if (warn_476 |
7164 | && (seg->flags & SEC_CODE) != 0 | |
7165 | && fixP->fx_size == 4 | |
7166 | && fixP->fx_done | |
7167 | && !fixP->fx_tcbit | |
7168 | && (fixP->fx_r_type == BFD_RELOC_32 | |
7169 | || fixP->fx_r_type == BFD_RELOC_CTOR | |
7170 | || fixP->fx_r_type == BFD_RELOC_32_PCREL)) | |
7171 | as_warn_where (fixP->fx_file, fixP->fx_line, | |
7172 | _("data in executable section")); | |
5656a981 AM |
7173 | } |
7174 | ||
252b5132 | 7175 | #ifdef OBJ_ELF |
3b8b57a9 | 7176 | ppc_elf_validate_fix (fixP, seg); |
94f592af | 7177 | fixP->fx_addnumber = value; |
4e6935a6 AM |
7178 | |
7179 | /* PowerPC uses RELA relocs, ie. the reloc addend is stored separately | |
7180 | from the section contents. If we are going to be emitting a reloc | |
7181 | then the section contents are immaterial, so don't warn if they | |
7182 | happen to overflow. Leave such warnings to ld. */ | |
7183 | if (!fixP->fx_done) | |
a38a07e0 AM |
7184 | { |
7185 | fixP->fx_no_overflow = 1; | |
7186 | ||
7187 | /* Arrange to emit .TOC. as a normal symbol if used in anything | |
7188 | but .TOC.@tocbase. */ | |
7189 | if (ppc_obj64 | |
7190 | && fixP->fx_r_type != BFD_RELOC_PPC64_TOC | |
7191 | && fixP->fx_addsy != NULL | |
7192 | && strcmp (S_GET_NAME (fixP->fx_addsy), ".TOC.") == 0) | |
7193 | symbol_get_bfdsym (fixP->fx_addsy)->flags |= BSF_KEEP; | |
7194 | } | |
252b5132 | 7195 | #else |
94f592af NC |
7196 | if (fixP->fx_r_type != BFD_RELOC_PPC_TOC16) |
7197 | fixP->fx_addnumber = 0; | |
252b5132 RH |
7198 | else |
7199 | { | |
7200 | #ifdef TE_PE | |
94f592af | 7201 | fixP->fx_addnumber = 0; |
252b5132 | 7202 | #else |
8edcbfcd TG |
7203 | /* We want to use the offset within the toc, not the actual VMA |
7204 | of the symbol. */ | |
94f592af | 7205 | fixP->fx_addnumber = |
8edcbfcd TG |
7206 | - bfd_get_section_vma (stdoutput, S_GET_SEGMENT (fixP->fx_addsy)) |
7207 | - S_GET_VALUE (ppc_toc_csect); | |
ac21e7da TG |
7208 | /* Set *valP to avoid errors. */ |
7209 | *valP = value; | |
252b5132 RH |
7210 | #endif |
7211 | } | |
7212 | #endif | |
252b5132 RH |
7213 | } |
7214 | ||
7215 | /* Generate a reloc for a fixup. */ | |
7216 | ||
7217 | arelent * | |
98027b10 | 7218 | tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED, fixS *fixp) |
252b5132 RH |
7219 | { |
7220 | arelent *reloc; | |
7221 | ||
325801bd | 7222 | reloc = XNEW (arelent); |
252b5132 | 7223 | |
325801bd | 7224 | reloc->sym_ptr_ptr = XNEW (asymbol *); |
49309057 | 7225 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); |
252b5132 RH |
7226 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; |
7227 | reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type); | |
7228 | if (reloc->howto == (reloc_howto_type *) NULL) | |
7229 | { | |
7230 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
99a814a1 AM |
7231 | _("reloc %d not supported by object file format"), |
7232 | (int) fixp->fx_r_type); | |
252b5132 RH |
7233 | return NULL; |
7234 | } | |
7235 | reloc->addend = fixp->fx_addnumber; | |
7236 | ||
7237 | return reloc; | |
7238 | } | |
75e21f08 JJ |
7239 | |
7240 | void | |
98027b10 | 7241 | ppc_cfi_frame_initial_instructions (void) |
75e21f08 JJ |
7242 | { |
7243 | cfi_add_CFA_def_cfa (1, 0); | |
7244 | } | |
7245 | ||
7246 | int | |
1df69f4f | 7247 | tc_ppc_regname_to_dw2regnum (char *regname) |
75e21f08 JJ |
7248 | { |
7249 | unsigned int regnum = -1; | |
7250 | unsigned int i; | |
7251 | const char *p; | |
7252 | char *q; | |
e0471c16 | 7253 | static struct { const char *name; int dw2regnum; } regnames[] = |
75e21f08 JJ |
7254 | { |
7255 | { "sp", 1 }, { "r.sp", 1 }, { "rtoc", 2 }, { "r.toc", 2 }, | |
7256 | { "mq", 64 }, { "lr", 65 }, { "ctr", 66 }, { "ap", 67 }, | |
80f846b6 | 7257 | { "cr", 70 }, { "xer", 76 }, { "vrsave", 109 }, { "vscr", 110 }, |
75e21f08 JJ |
7258 | { "spe_acc", 111 }, { "spefscr", 112 } |
7259 | }; | |
7260 | ||
7261 | for (i = 0; i < ARRAY_SIZE (regnames); ++i) | |
7262 | if (strcmp (regnames[i].name, regname) == 0) | |
7263 | return regnames[i].dw2regnum; | |
7264 | ||
7265 | if (regname[0] == 'r' || regname[0] == 'f' || regname[0] == 'v') | |
7266 | { | |
7267 | p = regname + 1 + (regname[1] == '.'); | |
7268 | regnum = strtoul (p, &q, 10); | |
7269 | if (p == q || *q || regnum >= 32) | |
7270 | return -1; | |
7271 | if (regname[0] == 'f') | |
b7d7dc63 | 7272 | regnum += 32; |
75e21f08 | 7273 | else if (regname[0] == 'v') |
b7d7dc63 | 7274 | regnum += 77; |
75e21f08 JJ |
7275 | } |
7276 | else if (regname[0] == 'c' && regname[1] == 'r') | |
7277 | { | |
7278 | p = regname + 2 + (regname[2] == '.'); | |
7279 | if (p[0] < '0' || p[0] > '7' || p[1]) | |
b7d7dc63 | 7280 | return -1; |
75e21f08 JJ |
7281 | regnum = p[0] - '0' + 68; |
7282 | } | |
7283 | return regnum; | |
7284 | } |