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; |
252b5132 RH |
310 | int value; |
311 | }; | |
312 | ||
313 | /* List of registers that are pre-defined: | |
314 | ||
315 | Each general register has predefined names of the form: | |
316 | 1. r<reg_num> which has the value <reg_num>. | |
317 | 2. r.<reg_num> which has the value <reg_num>. | |
318 | ||
252b5132 RH |
319 | Each floating point register has predefined names of the form: |
320 | 1. f<reg_num> which has the value <reg_num>. | |
321 | 2. f.<reg_num> which has the value <reg_num>. | |
322 | ||
7a899fff C |
323 | Each vector unit register has predefined names of the form: |
324 | 1. v<reg_num> which has the value <reg_num>. | |
325 | 2. v.<reg_num> which has the value <reg_num>. | |
326 | ||
252b5132 RH |
327 | Each condition register has predefined names of the form: |
328 | 1. cr<reg_num> which has the value <reg_num>. | |
329 | 2. cr.<reg_num> which has the value <reg_num>. | |
330 | ||
331 | There are individual registers as well: | |
332 | sp or r.sp has the value 1 | |
333 | rtoc or r.toc has the value 2 | |
334 | fpscr has the value 0 | |
335 | xer has the value 1 | |
336 | lr has the value 8 | |
337 | ctr has the value 9 | |
338 | pmr has the value 0 | |
339 | dar has the value 19 | |
340 | dsisr has the value 18 | |
341 | dec has the value 22 | |
342 | sdr1 has the value 25 | |
343 | srr0 has the value 26 | |
344 | srr1 has the value 27 | |
345 | ||
81d4177b | 346 | The table is sorted. Suitable for searching by a binary search. */ |
252b5132 RH |
347 | |
348 | static const struct pd_reg pre_defined_registers[] = | |
349 | { | |
350 | { "cr.0", 0 }, /* Condition Registers */ | |
351 | { "cr.1", 1 }, | |
352 | { "cr.2", 2 }, | |
353 | { "cr.3", 3 }, | |
354 | { "cr.4", 4 }, | |
355 | { "cr.5", 5 }, | |
356 | { "cr.6", 6 }, | |
357 | { "cr.7", 7 }, | |
358 | ||
359 | { "cr0", 0 }, | |
360 | { "cr1", 1 }, | |
361 | { "cr2", 2 }, | |
362 | { "cr3", 3 }, | |
363 | { "cr4", 4 }, | |
364 | { "cr5", 5 }, | |
365 | { "cr6", 6 }, | |
366 | { "cr7", 7 }, | |
367 | ||
368 | { "ctr", 9 }, | |
369 | ||
370 | { "dar", 19 }, /* Data Access Register */ | |
371 | { "dec", 22 }, /* Decrementer */ | |
372 | { "dsisr", 18 }, /* Data Storage Interrupt Status Register */ | |
373 | ||
374 | { "f.0", 0 }, /* Floating point registers */ | |
81d4177b KH |
375 | { "f.1", 1 }, |
376 | { "f.10", 10 }, | |
377 | { "f.11", 11 }, | |
378 | { "f.12", 12 }, | |
379 | { "f.13", 13 }, | |
380 | { "f.14", 14 }, | |
381 | { "f.15", 15 }, | |
382 | { "f.16", 16 }, | |
383 | { "f.17", 17 }, | |
384 | { "f.18", 18 }, | |
385 | { "f.19", 19 }, | |
386 | { "f.2", 2 }, | |
387 | { "f.20", 20 }, | |
388 | { "f.21", 21 }, | |
389 | { "f.22", 22 }, | |
390 | { "f.23", 23 }, | |
391 | { "f.24", 24 }, | |
392 | { "f.25", 25 }, | |
393 | { "f.26", 26 }, | |
394 | { "f.27", 27 }, | |
395 | { "f.28", 28 }, | |
396 | { "f.29", 29 }, | |
397 | { "f.3", 3 }, | |
252b5132 RH |
398 | { "f.30", 30 }, |
399 | { "f.31", 31 }, | |
066be9f7 PB |
400 | |
401 | { "f.32", 32 }, /* Extended floating point scalar registers (ISA 2.06). */ | |
402 | { "f.33", 33 }, | |
403 | { "f.34", 34 }, | |
404 | { "f.35", 35 }, | |
405 | { "f.36", 36 }, | |
406 | { "f.37", 37 }, | |
407 | { "f.38", 38 }, | |
408 | { "f.39", 39 }, | |
81d4177b | 409 | { "f.4", 4 }, |
066be9f7 PB |
410 | { "f.40", 40 }, |
411 | { "f.41", 41 }, | |
412 | { "f.42", 42 }, | |
413 | { "f.43", 43 }, | |
414 | { "f.44", 44 }, | |
415 | { "f.45", 45 }, | |
416 | { "f.46", 46 }, | |
417 | { "f.47", 47 }, | |
418 | { "f.48", 48 }, | |
419 | { "f.49", 49 }, | |
81d4177b | 420 | { "f.5", 5 }, |
066be9f7 PB |
421 | { "f.50", 50 }, |
422 | { "f.51", 51 }, | |
423 | { "f.52", 52 }, | |
424 | { "f.53", 53 }, | |
425 | { "f.54", 54 }, | |
426 | { "f.55", 55 }, | |
427 | { "f.56", 56 }, | |
428 | { "f.57", 57 }, | |
429 | { "f.58", 58 }, | |
430 | { "f.59", 59 }, | |
81d4177b | 431 | { "f.6", 6 }, |
066be9f7 PB |
432 | { "f.60", 60 }, |
433 | { "f.61", 61 }, | |
434 | { "f.62", 62 }, | |
435 | { "f.63", 63 }, | |
81d4177b KH |
436 | { "f.7", 7 }, |
437 | { "f.8", 8 }, | |
438 | { "f.9", 9 }, | |
439 | ||
440 | { "f0", 0 }, | |
441 | { "f1", 1 }, | |
442 | { "f10", 10 }, | |
443 | { "f11", 11 }, | |
444 | { "f12", 12 }, | |
445 | { "f13", 13 }, | |
446 | { "f14", 14 }, | |
447 | { "f15", 15 }, | |
448 | { "f16", 16 }, | |
449 | { "f17", 17 }, | |
450 | { "f18", 18 }, | |
451 | { "f19", 19 }, | |
452 | { "f2", 2 }, | |
453 | { "f20", 20 }, | |
454 | { "f21", 21 }, | |
455 | { "f22", 22 }, | |
456 | { "f23", 23 }, | |
457 | { "f24", 24 }, | |
458 | { "f25", 25 }, | |
459 | { "f26", 26 }, | |
460 | { "f27", 27 }, | |
461 | { "f28", 28 }, | |
462 | { "f29", 29 }, | |
463 | { "f3", 3 }, | |
252b5132 RH |
464 | { "f30", 30 }, |
465 | { "f31", 31 }, | |
066be9f7 PB |
466 | |
467 | { "f32", 32 }, /* Extended floating point scalar registers (ISA 2.06). */ | |
468 | { "f33", 33 }, | |
469 | { "f34", 34 }, | |
470 | { "f35", 35 }, | |
471 | { "f36", 36 }, | |
472 | { "f37", 37 }, | |
473 | { "f38", 38 }, | |
474 | { "f39", 39 }, | |
81d4177b | 475 | { "f4", 4 }, |
066be9f7 PB |
476 | { "f40", 40 }, |
477 | { "f41", 41 }, | |
478 | { "f42", 42 }, | |
479 | { "f43", 43 }, | |
480 | { "f44", 44 }, | |
481 | { "f45", 45 }, | |
482 | { "f46", 46 }, | |
483 | { "f47", 47 }, | |
484 | { "f48", 48 }, | |
485 | { "f49", 49 }, | |
81d4177b | 486 | { "f5", 5 }, |
066be9f7 PB |
487 | { "f50", 50 }, |
488 | { "f51", 51 }, | |
489 | { "f52", 52 }, | |
490 | { "f53", 53 }, | |
491 | { "f54", 54 }, | |
492 | { "f55", 55 }, | |
493 | { "f56", 56 }, | |
494 | { "f57", 57 }, | |
495 | { "f58", 58 }, | |
496 | { "f59", 59 }, | |
81d4177b | 497 | { "f6", 6 }, |
066be9f7 PB |
498 | { "f60", 60 }, |
499 | { "f61", 61 }, | |
500 | { "f62", 62 }, | |
501 | { "f63", 63 }, | |
81d4177b KH |
502 | { "f7", 7 }, |
503 | { "f8", 8 }, | |
504 | { "f9", 9 }, | |
252b5132 RH |
505 | |
506 | { "fpscr", 0 }, | |
507 | ||
c3d65c1c BE |
508 | /* Quantization registers used with pair single instructions. */ |
509 | { "gqr.0", 0 }, | |
510 | { "gqr.1", 1 }, | |
511 | { "gqr.2", 2 }, | |
512 | { "gqr.3", 3 }, | |
513 | { "gqr.4", 4 }, | |
514 | { "gqr.5", 5 }, | |
515 | { "gqr.6", 6 }, | |
516 | { "gqr.7", 7 }, | |
517 | { "gqr0", 0 }, | |
518 | { "gqr1", 1 }, | |
519 | { "gqr2", 2 }, | |
520 | { "gqr3", 3 }, | |
521 | { "gqr4", 4 }, | |
522 | { "gqr5", 5 }, | |
523 | { "gqr6", 6 }, | |
524 | { "gqr7", 7 }, | |
525 | ||
252b5132 RH |
526 | { "lr", 8 }, /* Link Register */ |
527 | ||
528 | { "pmr", 0 }, | |
529 | ||
530 | { "r.0", 0 }, /* General Purpose Registers */ | |
531 | { "r.1", 1 }, | |
532 | { "r.10", 10 }, | |
533 | { "r.11", 11 }, | |
534 | { "r.12", 12 }, | |
535 | { "r.13", 13 }, | |
536 | { "r.14", 14 }, | |
537 | { "r.15", 15 }, | |
538 | { "r.16", 16 }, | |
539 | { "r.17", 17 }, | |
540 | { "r.18", 18 }, | |
541 | { "r.19", 19 }, | |
542 | { "r.2", 2 }, | |
543 | { "r.20", 20 }, | |
544 | { "r.21", 21 }, | |
545 | { "r.22", 22 }, | |
546 | { "r.23", 23 }, | |
547 | { "r.24", 24 }, | |
548 | { "r.25", 25 }, | |
549 | { "r.26", 26 }, | |
550 | { "r.27", 27 }, | |
551 | { "r.28", 28 }, | |
552 | { "r.29", 29 }, | |
553 | { "r.3", 3 }, | |
554 | { "r.30", 30 }, | |
555 | { "r.31", 31 }, | |
556 | { "r.4", 4 }, | |
557 | { "r.5", 5 }, | |
558 | { "r.6", 6 }, | |
559 | { "r.7", 7 }, | |
560 | { "r.8", 8 }, | |
561 | { "r.9", 9 }, | |
562 | ||
563 | { "r.sp", 1 }, /* Stack Pointer */ | |
564 | ||
565 | { "r.toc", 2 }, /* Pointer to the table of contents */ | |
566 | ||
567 | { "r0", 0 }, /* More general purpose registers */ | |
568 | { "r1", 1 }, | |
569 | { "r10", 10 }, | |
570 | { "r11", 11 }, | |
571 | { "r12", 12 }, | |
572 | { "r13", 13 }, | |
573 | { "r14", 14 }, | |
574 | { "r15", 15 }, | |
575 | { "r16", 16 }, | |
576 | { "r17", 17 }, | |
577 | { "r18", 18 }, | |
578 | { "r19", 19 }, | |
579 | { "r2", 2 }, | |
580 | { "r20", 20 }, | |
581 | { "r21", 21 }, | |
582 | { "r22", 22 }, | |
583 | { "r23", 23 }, | |
584 | { "r24", 24 }, | |
585 | { "r25", 25 }, | |
586 | { "r26", 26 }, | |
587 | { "r27", 27 }, | |
588 | { "r28", 28 }, | |
589 | { "r29", 29 }, | |
590 | { "r3", 3 }, | |
591 | { "r30", 30 }, | |
592 | { "r31", 31 }, | |
593 | { "r4", 4 }, | |
594 | { "r5", 5 }, | |
595 | { "r6", 6 }, | |
596 | { "r7", 7 }, | |
597 | { "r8", 8 }, | |
598 | { "r9", 9 }, | |
599 | ||
600 | { "rtoc", 2 }, /* Table of contents */ | |
601 | ||
602 | { "sdr1", 25 }, /* Storage Description Register 1 */ | |
603 | ||
604 | { "sp", 1 }, | |
605 | ||
606 | { "srr0", 26 }, /* Machine Status Save/Restore Register 0 */ | |
607 | { "srr1", 27 }, /* Machine Status Save/Restore Register 1 */ | |
81d4177b | 608 | |
066be9f7 | 609 | { "v.0", 0 }, /* Vector (Altivec/VMX) registers */ |
81d4177b KH |
610 | { "v.1", 1 }, |
611 | { "v.10", 10 }, | |
612 | { "v.11", 11 }, | |
613 | { "v.12", 12 }, | |
614 | { "v.13", 13 }, | |
615 | { "v.14", 14 }, | |
616 | { "v.15", 15 }, | |
617 | { "v.16", 16 }, | |
618 | { "v.17", 17 }, | |
619 | { "v.18", 18 }, | |
620 | { "v.19", 19 }, | |
621 | { "v.2", 2 }, | |
622 | { "v.20", 20 }, | |
623 | { "v.21", 21 }, | |
624 | { "v.22", 22 }, | |
625 | { "v.23", 23 }, | |
626 | { "v.24", 24 }, | |
627 | { "v.25", 25 }, | |
628 | { "v.26", 26 }, | |
629 | { "v.27", 27 }, | |
630 | { "v.28", 28 }, | |
631 | { "v.29", 29 }, | |
632 | { "v.3", 3 }, | |
7a899fff C |
633 | { "v.30", 30 }, |
634 | { "v.31", 31 }, | |
81d4177b KH |
635 | { "v.4", 4 }, |
636 | { "v.5", 5 }, | |
637 | { "v.6", 6 }, | |
638 | { "v.7", 7 }, | |
639 | { "v.8", 8 }, | |
640 | { "v.9", 9 }, | |
7a899fff C |
641 | |
642 | { "v0", 0 }, | |
81d4177b KH |
643 | { "v1", 1 }, |
644 | { "v10", 10 }, | |
645 | { "v11", 11 }, | |
646 | { "v12", 12 }, | |
647 | { "v13", 13 }, | |
648 | { "v14", 14 }, | |
649 | { "v15", 15 }, | |
650 | { "v16", 16 }, | |
651 | { "v17", 17 }, | |
652 | { "v18", 18 }, | |
653 | { "v19", 19 }, | |
654 | { "v2", 2 }, | |
655 | { "v20", 20 }, | |
656 | { "v21", 21 }, | |
657 | { "v22", 22 }, | |
658 | { "v23", 23 }, | |
659 | { "v24", 24 }, | |
660 | { "v25", 25 }, | |
661 | { "v26", 26 }, | |
662 | { "v27", 27 }, | |
663 | { "v28", 28 }, | |
664 | { "v29", 29 }, | |
665 | { "v3", 3 }, | |
7a899fff C |
666 | { "v30", 30 }, |
667 | { "v31", 31 }, | |
81d4177b KH |
668 | { "v4", 4 }, |
669 | { "v5", 5 }, | |
670 | { "v6", 6 }, | |
671 | { "v7", 7 }, | |
672 | { "v8", 8 }, | |
7a899fff | 673 | { "v9", 9 }, |
252b5132 | 674 | |
066be9f7 PB |
675 | { "vs.0", 0 }, /* Vector Scalar (VSX) registers (ISA 2.06). */ |
676 | { "vs.1", 1 }, | |
677 | { "vs.10", 10 }, | |
678 | { "vs.11", 11 }, | |
679 | { "vs.12", 12 }, | |
680 | { "vs.13", 13 }, | |
681 | { "vs.14", 14 }, | |
682 | { "vs.15", 15 }, | |
683 | { "vs.16", 16 }, | |
684 | { "vs.17", 17 }, | |
685 | { "vs.18", 18 }, | |
686 | { "vs.19", 19 }, | |
687 | { "vs.2", 2 }, | |
688 | { "vs.20", 20 }, | |
689 | { "vs.21", 21 }, | |
690 | { "vs.22", 22 }, | |
691 | { "vs.23", 23 }, | |
692 | { "vs.24", 24 }, | |
693 | { "vs.25", 25 }, | |
694 | { "vs.26", 26 }, | |
695 | { "vs.27", 27 }, | |
696 | { "vs.28", 28 }, | |
697 | { "vs.29", 29 }, | |
698 | { "vs.3", 3 }, | |
699 | { "vs.30", 30 }, | |
700 | { "vs.31", 31 }, | |
701 | { "vs.32", 32 }, | |
702 | { "vs.33", 33 }, | |
703 | { "vs.34", 34 }, | |
704 | { "vs.35", 35 }, | |
705 | { "vs.36", 36 }, | |
706 | { "vs.37", 37 }, | |
707 | { "vs.38", 38 }, | |
708 | { "vs.39", 39 }, | |
709 | { "vs.4", 4 }, | |
710 | { "vs.40", 40 }, | |
711 | { "vs.41", 41 }, | |
712 | { "vs.42", 42 }, | |
713 | { "vs.43", 43 }, | |
714 | { "vs.44", 44 }, | |
715 | { "vs.45", 45 }, | |
716 | { "vs.46", 46 }, | |
717 | { "vs.47", 47 }, | |
718 | { "vs.48", 48 }, | |
719 | { "vs.49", 49 }, | |
720 | { "vs.5", 5 }, | |
721 | { "vs.50", 50 }, | |
722 | { "vs.51", 51 }, | |
723 | { "vs.52", 52 }, | |
724 | { "vs.53", 53 }, | |
725 | { "vs.54", 54 }, | |
726 | { "vs.55", 55 }, | |
727 | { "vs.56", 56 }, | |
728 | { "vs.57", 57 }, | |
729 | { "vs.58", 58 }, | |
730 | { "vs.59", 59 }, | |
731 | { "vs.6", 6 }, | |
732 | { "vs.60", 60 }, | |
733 | { "vs.61", 61 }, | |
734 | { "vs.62", 62 }, | |
735 | { "vs.63", 63 }, | |
736 | { "vs.7", 7 }, | |
737 | { "vs.8", 8 }, | |
738 | { "vs.9", 9 }, | |
739 | ||
740 | { "vs0", 0 }, | |
741 | { "vs1", 1 }, | |
742 | { "vs10", 10 }, | |
743 | { "vs11", 11 }, | |
744 | { "vs12", 12 }, | |
745 | { "vs13", 13 }, | |
746 | { "vs14", 14 }, | |
747 | { "vs15", 15 }, | |
748 | { "vs16", 16 }, | |
749 | { "vs17", 17 }, | |
750 | { "vs18", 18 }, | |
751 | { "vs19", 19 }, | |
752 | { "vs2", 2 }, | |
753 | { "vs20", 20 }, | |
754 | { "vs21", 21 }, | |
755 | { "vs22", 22 }, | |
756 | { "vs23", 23 }, | |
757 | { "vs24", 24 }, | |
758 | { "vs25", 25 }, | |
759 | { "vs26", 26 }, | |
760 | { "vs27", 27 }, | |
761 | { "vs28", 28 }, | |
762 | { "vs29", 29 }, | |
763 | { "vs3", 3 }, | |
764 | { "vs30", 30 }, | |
765 | { "vs31", 31 }, | |
766 | { "vs32", 32 }, | |
767 | { "vs33", 33 }, | |
768 | { "vs34", 34 }, | |
769 | { "vs35", 35 }, | |
770 | { "vs36", 36 }, | |
771 | { "vs37", 37 }, | |
772 | { "vs38", 38 }, | |
773 | { "vs39", 39 }, | |
774 | { "vs4", 4 }, | |
775 | { "vs40", 40 }, | |
776 | { "vs41", 41 }, | |
777 | { "vs42", 42 }, | |
778 | { "vs43", 43 }, | |
779 | { "vs44", 44 }, | |
780 | { "vs45", 45 }, | |
781 | { "vs46", 46 }, | |
782 | { "vs47", 47 }, | |
783 | { "vs48", 48 }, | |
784 | { "vs49", 49 }, | |
785 | { "vs5", 5 }, | |
786 | { "vs50", 50 }, | |
787 | { "vs51", 51 }, | |
788 | { "vs52", 52 }, | |
789 | { "vs53", 53 }, | |
790 | { "vs54", 54 }, | |
791 | { "vs55", 55 }, | |
792 | { "vs56", 56 }, | |
793 | { "vs57", 57 }, | |
794 | { "vs58", 58 }, | |
795 | { "vs59", 59 }, | |
796 | { "vs6", 6 }, | |
797 | { "vs60", 60 }, | |
798 | { "vs61", 61 }, | |
799 | { "vs62", 62 }, | |
800 | { "vs63", 63 }, | |
801 | { "vs7", 7 }, | |
802 | { "vs8", 8 }, | |
803 | { "vs9", 9 }, | |
804 | ||
252b5132 RH |
805 | { "xer", 1 }, |
806 | ||
807 | }; | |
808 | ||
bc805888 | 809 | #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg)) |
252b5132 RH |
810 | |
811 | /* Given NAME, find the register number associated with that name, return | |
812 | the integer value associated with the given name or -1 on failure. */ | |
813 | ||
252b5132 | 814 | static int |
98027b10 | 815 | reg_name_search (const struct pd_reg *regs, int regcount, const char *name) |
252b5132 RH |
816 | { |
817 | int middle, low, high; | |
818 | int cmp; | |
819 | ||
820 | low = 0; | |
821 | high = regcount - 1; | |
822 | ||
823 | do | |
824 | { | |
825 | middle = (low + high) / 2; | |
826 | cmp = strcasecmp (name, regs[middle].name); | |
827 | if (cmp < 0) | |
828 | high = middle - 1; | |
829 | else if (cmp > 0) | |
830 | low = middle + 1; | |
831 | else | |
832 | return regs[middle].value; | |
833 | } | |
834 | while (low <= high); | |
835 | ||
836 | return -1; | |
837 | } | |
838 | ||
839 | /* | |
99a814a1 | 840 | * Summary of register_name. |
252b5132 RH |
841 | * |
842 | * in: Input_line_pointer points to 1st char of operand. | |
843 | * | |
844 | * out: A expressionS. | |
845 | * The operand may have been a register: in this case, X_op == O_register, | |
846 | * X_add_number is set to the register number, and truth is returned. | |
847 | * Input_line_pointer->(next non-blank) char after operand, or is in its | |
848 | * original state. | |
849 | */ | |
850 | ||
b34976b6 | 851 | static bfd_boolean |
98027b10 | 852 | register_name (expressionS *expressionP) |
252b5132 RH |
853 | { |
854 | int reg_number; | |
855 | char *name; | |
856 | char *start; | |
857 | char c; | |
858 | ||
99a814a1 | 859 | /* Find the spelling of the operand. */ |
252b5132 | 860 | start = name = input_line_pointer; |
3882b010 | 861 | if (name[0] == '%' && ISALPHA (name[1])) |
252b5132 RH |
862 | name = ++input_line_pointer; |
863 | ||
3882b010 | 864 | else if (!reg_names_p || !ISALPHA (name[0])) |
b34976b6 | 865 | return FALSE; |
252b5132 | 866 | |
d02603dc | 867 | c = get_symbol_name (&name); |
252b5132 RH |
868 | reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT, name); |
869 | ||
468cced8 AM |
870 | /* Put back the delimiting char. */ |
871 | *input_line_pointer = c; | |
872 | ||
99a814a1 | 873 | /* Look to see if it's in the register table. */ |
81d4177b | 874 | if (reg_number >= 0) |
252b5132 RH |
875 | { |
876 | expressionP->X_op = O_register; | |
877 | expressionP->X_add_number = reg_number; | |
81d4177b | 878 | |
99a814a1 | 879 | /* Make the rest nice. */ |
252b5132 RH |
880 | expressionP->X_add_symbol = NULL; |
881 | expressionP->X_op_symbol = NULL; | |
b34976b6 | 882 | return TRUE; |
252b5132 | 883 | } |
468cced8 AM |
884 | |
885 | /* Reset the line as if we had not done anything. */ | |
886 | input_line_pointer = start; | |
b34976b6 | 887 | return FALSE; |
252b5132 RH |
888 | } |
889 | \f | |
890 | /* This function is called for each symbol seen in an expression. It | |
891 | handles the special parsing which PowerPC assemblers are supposed | |
892 | to use for condition codes. */ | |
893 | ||
894 | /* Whether to do the special parsing. */ | |
b34976b6 | 895 | static bfd_boolean cr_operand; |
252b5132 RH |
896 | |
897 | /* Names to recognize in a condition code. This table is sorted. */ | |
898 | static const struct pd_reg cr_names[] = | |
899 | { | |
900 | { "cr0", 0 }, | |
901 | { "cr1", 1 }, | |
902 | { "cr2", 2 }, | |
903 | { "cr3", 3 }, | |
904 | { "cr4", 4 }, | |
905 | { "cr5", 5 }, | |
906 | { "cr6", 6 }, | |
907 | { "cr7", 7 }, | |
908 | { "eq", 2 }, | |
909 | { "gt", 1 }, | |
910 | { "lt", 0 }, | |
911 | { "so", 3 }, | |
912 | { "un", 3 } | |
913 | }; | |
914 | ||
915 | /* Parsing function. This returns non-zero if it recognized an | |
916 | expression. */ | |
917 | ||
918 | int | |
91d6fa6a | 919 | ppc_parse_name (const char *name, expressionS *exp) |
252b5132 RH |
920 | { |
921 | int val; | |
922 | ||
923 | if (! cr_operand) | |
924 | return 0; | |
925 | ||
13abbae3 AM |
926 | if (*name == '%') |
927 | ++name; | |
252b5132 RH |
928 | val = reg_name_search (cr_names, sizeof cr_names / sizeof cr_names[0], |
929 | name); | |
930 | if (val < 0) | |
931 | return 0; | |
932 | ||
91d6fa6a NC |
933 | exp->X_op = O_constant; |
934 | exp->X_add_number = val; | |
252b5132 RH |
935 | |
936 | return 1; | |
937 | } | |
938 | \f | |
939 | /* Local variables. */ | |
940 | ||
2b3c4602 AM |
941 | /* Whether to target xcoff64/elf64. */ |
942 | static unsigned int ppc_obj64 = BFD_DEFAULT_TARGET_SIZE == 64; | |
7f6d05e8 | 943 | |
252b5132 RH |
944 | /* Opcode hash table. */ |
945 | static struct hash_control *ppc_hash; | |
946 | ||
947 | /* Macro hash table. */ | |
948 | static struct hash_control *ppc_macro_hash; | |
949 | ||
950 | #ifdef OBJ_ELF | |
99a814a1 | 951 | /* What type of shared library support to use. */ |
5d6f4f16 | 952 | static enum { SHLIB_NONE, SHLIB_PIC, SHLIB_MRELOCATABLE } shlib = SHLIB_NONE; |
252b5132 | 953 | |
99a814a1 | 954 | /* Flags to set in the elf header. */ |
252b5132 RH |
955 | static flagword ppc_flags = 0; |
956 | ||
957 | /* Whether this is Solaris or not. */ | |
958 | #ifdef TARGET_SOLARIS_COMMENT | |
b34976b6 | 959 | #define SOLARIS_P TRUE |
252b5132 | 960 | #else |
b34976b6 | 961 | #define SOLARIS_P FALSE |
252b5132 RH |
962 | #endif |
963 | ||
b34976b6 | 964 | static bfd_boolean msolaris = SOLARIS_P; |
252b5132 RH |
965 | #endif |
966 | ||
967 | #ifdef OBJ_XCOFF | |
968 | ||
969 | /* The RS/6000 assembler uses the .csect pseudo-op to generate code | |
970 | using a bunch of different sections. These assembler sections, | |
971 | however, are all encompassed within the .text or .data sections of | |
972 | the final output file. We handle this by using different | |
973 | subsegments within these main segments. */ | |
974 | ||
975 | /* Next subsegment to allocate within the .text segment. */ | |
976 | static subsegT ppc_text_subsegment = 2; | |
977 | ||
978 | /* Linked list of csects in the text section. */ | |
979 | static symbolS *ppc_text_csects; | |
980 | ||
981 | /* Next subsegment to allocate within the .data segment. */ | |
982 | static subsegT ppc_data_subsegment = 2; | |
983 | ||
984 | /* Linked list of csects in the data section. */ | |
985 | static symbolS *ppc_data_csects; | |
986 | ||
987 | /* The current csect. */ | |
988 | static symbolS *ppc_current_csect; | |
989 | ||
990 | /* The RS/6000 assembler uses a TOC which holds addresses of functions | |
991 | and variables. Symbols are put in the TOC with the .tc pseudo-op. | |
992 | A special relocation is used when accessing TOC entries. We handle | |
993 | the TOC as a subsegment within the .data segment. We set it up if | |
994 | we see a .toc pseudo-op, and save the csect symbol here. */ | |
995 | static symbolS *ppc_toc_csect; | |
996 | ||
997 | /* The first frag in the TOC subsegment. */ | |
998 | static fragS *ppc_toc_frag; | |
999 | ||
1000 | /* The first frag in the first subsegment after the TOC in the .data | |
1001 | segment. NULL if there are no subsegments after the TOC. */ | |
1002 | static fragS *ppc_after_toc_frag; | |
1003 | ||
1004 | /* The current static block. */ | |
1005 | static symbolS *ppc_current_block; | |
1006 | ||
1007 | /* The COFF debugging section; set by md_begin. This is not the | |
1008 | .debug section, but is instead the secret BFD section which will | |
1009 | cause BFD to set the section number of a symbol to N_DEBUG. */ | |
1010 | static asection *ppc_coff_debug_section; | |
1011 | ||
85645aed TG |
1012 | /* Structure to set the length field of the dwarf sections. */ |
1013 | struct dw_subsection { | |
1014 | /* Subsections are simply linked. */ | |
1015 | struct dw_subsection *link; | |
1016 | ||
1017 | /* The subsection number. */ | |
1018 | subsegT subseg; | |
1019 | ||
1020 | /* Expression to compute the length of the section. */ | |
1021 | expressionS end_exp; | |
1022 | }; | |
1023 | ||
1024 | static struct dw_section { | |
1025 | /* Corresponding section. */ | |
1026 | segT sect; | |
1027 | ||
1028 | /* Simply linked list of subsections with a label. */ | |
1029 | struct dw_subsection *list_subseg; | |
1030 | ||
1031 | /* The anonymous subsection. */ | |
1032 | struct dw_subsection *anon_subseg; | |
1033 | } dw_sections[XCOFF_DWSECT_NBR_NAMES]; | |
252b5132 RH |
1034 | #endif /* OBJ_XCOFF */ |
1035 | ||
1036 | #ifdef TE_PE | |
1037 | ||
1038 | /* Various sections that we need for PE coff support. */ | |
1039 | static segT ydata_section; | |
1040 | static segT pdata_section; | |
1041 | static segT reldata_section; | |
1042 | static segT rdata_section; | |
1043 | static segT tocdata_section; | |
1044 | ||
81d4177b | 1045 | /* The current section and the previous section. See ppc_previous. */ |
252b5132 RH |
1046 | static segT ppc_previous_section; |
1047 | static segT ppc_current_section; | |
1048 | ||
1049 | #endif /* TE_PE */ | |
1050 | ||
1051 | #ifdef OBJ_ELF | |
1052 | symbolS *GOT_symbol; /* Pre-defined "_GLOBAL_OFFSET_TABLE" */ | |
6a0c61b7 EZ |
1053 | unsigned long *ppc_apuinfo_list; |
1054 | unsigned int ppc_apuinfo_num; | |
1055 | unsigned int ppc_apuinfo_num_alloc; | |
252b5132 RH |
1056 | #endif /* OBJ_ELF */ |
1057 | \f | |
1058 | #ifdef OBJ_ELF | |
15c1449b | 1059 | const char *const md_shortopts = "b:l:usm:K:VQ:"; |
252b5132 | 1060 | #else |
15c1449b | 1061 | const char *const md_shortopts = "um:"; |
252b5132 | 1062 | #endif |
cef4f754 | 1063 | #define OPTION_NOPS (OPTION_MD_BASE + 0) |
15c1449b | 1064 | const struct option md_longopts[] = { |
cef4f754 | 1065 | {"nops", required_argument, NULL, OPTION_NOPS}, |
bf7279d5 AM |
1066 | {"ppc476-workaround", no_argument, &warn_476, 1}, |
1067 | {"no-ppc476-workaround", no_argument, &warn_476, 0}, | |
252b5132 RH |
1068 | {NULL, no_argument, NULL, 0} |
1069 | }; | |
15c1449b | 1070 | const size_t md_longopts_size = sizeof (md_longopts); |
252b5132 RH |
1071 | |
1072 | int | |
17b9d67d | 1073 | md_parse_option (int c, const char *arg) |
252b5132 | 1074 | { |
69fe9ce5 AM |
1075 | ppc_cpu_t new_cpu; |
1076 | ||
252b5132 RH |
1077 | switch (c) |
1078 | { | |
1079 | case 'u': | |
1080 | /* -u means that any undefined symbols should be treated as | |
1081 | external, which is the default for gas anyhow. */ | |
1082 | break; | |
1083 | ||
1084 | #ifdef OBJ_ELF | |
1085 | case 'l': | |
1086 | /* Solaris as takes -le (presumably for little endian). For completeness | |
99a814a1 | 1087 | sake, recognize -be also. */ |
252b5132 RH |
1088 | if (strcmp (arg, "e") == 0) |
1089 | { | |
1090 | target_big_endian = 0; | |
1091 | set_target_endian = 1; | |
b9c361e0 | 1092 | if (ppc_cpu & PPC_OPCODE_VLE) |
d6ed37ed | 1093 | as_bad (_("the use of -mvle requires big endian.")); |
252b5132 RH |
1094 | } |
1095 | else | |
1096 | return 0; | |
1097 | ||
1098 | break; | |
1099 | ||
1100 | case 'b': | |
1101 | if (strcmp (arg, "e") == 0) | |
1102 | { | |
1103 | target_big_endian = 1; | |
1104 | set_target_endian = 1; | |
1105 | } | |
1106 | else | |
1107 | return 0; | |
1108 | ||
1109 | break; | |
1110 | ||
1111 | case 'K': | |
99a814a1 | 1112 | /* Recognize -K PIC. */ |
252b5132 RH |
1113 | if (strcmp (arg, "PIC") == 0 || strcmp (arg, "pic") == 0) |
1114 | { | |
1115 | shlib = SHLIB_PIC; | |
1116 | ppc_flags |= EF_PPC_RELOCATABLE_LIB; | |
1117 | } | |
1118 | else | |
1119 | return 0; | |
1120 | ||
1121 | break; | |
1122 | #endif | |
1123 | ||
7f6d05e8 CP |
1124 | /* a64 and a32 determine whether to use XCOFF64 or XCOFF32. */ |
1125 | case 'a': | |
1126 | if (strcmp (arg, "64") == 0) | |
2a98c3a6 AM |
1127 | { |
1128 | #ifdef BFD64 | |
1129 | ppc_obj64 = 1; | |
d6ed37ed AM |
1130 | if (ppc_cpu & PPC_OPCODE_VLE) |
1131 | as_bad (_("the use of -mvle requires -a32.")); | |
2a98c3a6 AM |
1132 | #else |
1133 | as_fatal (_("%s unsupported"), "-a64"); | |
1134 | #endif | |
1135 | } | |
7f6d05e8 | 1136 | else if (strcmp (arg, "32") == 0) |
2b3c4602 | 1137 | ppc_obj64 = 0; |
7f6d05e8 CP |
1138 | else |
1139 | return 0; | |
1140 | break; | |
81d4177b | 1141 | |
252b5132 | 1142 | case 'm': |
776fc418 | 1143 | new_cpu = ppc_parse_cpu (ppc_cpu, &sticky, arg); |
b9c361e0 JL |
1144 | if (new_cpu != 0) |
1145 | { | |
1146 | ppc_cpu = new_cpu; | |
d6ed37ed AM |
1147 | if (strcmp (arg, "vle") == 0) |
1148 | { | |
1149 | if (set_target_endian && target_big_endian == 0) | |
1150 | as_bad (_("the use of -mvle requires big endian.")); | |
1151 | if (ppc_obj64) | |
1152 | as_bad (_("the use of -mvle requires -a32.")); | |
1153 | } | |
b9c361e0 | 1154 | } |
252b5132 RH |
1155 | |
1156 | else if (strcmp (arg, "regnames") == 0) | |
b34976b6 | 1157 | reg_names_p = TRUE; |
252b5132 RH |
1158 | |
1159 | else if (strcmp (arg, "no-regnames") == 0) | |
b34976b6 | 1160 | reg_names_p = FALSE; |
252b5132 RH |
1161 | |
1162 | #ifdef OBJ_ELF | |
99a814a1 AM |
1163 | /* -mrelocatable/-mrelocatable-lib -- warn about initializations |
1164 | that require relocation. */ | |
252b5132 RH |
1165 | else if (strcmp (arg, "relocatable") == 0) |
1166 | { | |
5d6f4f16 | 1167 | shlib = SHLIB_MRELOCATABLE; |
252b5132 RH |
1168 | ppc_flags |= EF_PPC_RELOCATABLE; |
1169 | } | |
1170 | ||
1171 | else if (strcmp (arg, "relocatable-lib") == 0) | |
1172 | { | |
5d6f4f16 | 1173 | shlib = SHLIB_MRELOCATABLE; |
252b5132 RH |
1174 | ppc_flags |= EF_PPC_RELOCATABLE_LIB; |
1175 | } | |
1176 | ||
99a814a1 | 1177 | /* -memb, set embedded bit. */ |
252b5132 RH |
1178 | else if (strcmp (arg, "emb") == 0) |
1179 | ppc_flags |= EF_PPC_EMB; | |
1180 | ||
cc643b88 | 1181 | /* -mlittle/-mbig set the endianness. */ |
99a814a1 AM |
1182 | else if (strcmp (arg, "little") == 0 |
1183 | || strcmp (arg, "little-endian") == 0) | |
252b5132 RH |
1184 | { |
1185 | target_big_endian = 0; | |
1186 | set_target_endian = 1; | |
b9c361e0 | 1187 | if (ppc_cpu & PPC_OPCODE_VLE) |
d6ed37ed | 1188 | as_bad (_("the use of -mvle requires big endian.")); |
252b5132 RH |
1189 | } |
1190 | ||
1191 | else if (strcmp (arg, "big") == 0 || strcmp (arg, "big-endian") == 0) | |
1192 | { | |
1193 | target_big_endian = 1; | |
1194 | set_target_endian = 1; | |
1195 | } | |
1196 | ||
1197 | else if (strcmp (arg, "solaris") == 0) | |
1198 | { | |
b34976b6 | 1199 | msolaris = TRUE; |
252b5132 RH |
1200 | ppc_comment_chars = ppc_solaris_comment_chars; |
1201 | } | |
1202 | ||
1203 | else if (strcmp (arg, "no-solaris") == 0) | |
1204 | { | |
b34976b6 | 1205 | msolaris = FALSE; |
252b5132 RH |
1206 | ppc_comment_chars = ppc_eabi_comment_chars; |
1207 | } | |
1208 | #endif | |
1209 | else | |
1210 | { | |
1211 | as_bad (_("invalid switch -m%s"), arg); | |
1212 | return 0; | |
1213 | } | |
1214 | break; | |
1215 | ||
1216 | #ifdef OBJ_ELF | |
1217 | /* -V: SVR4 argument to print version ID. */ | |
1218 | case 'V': | |
1219 | print_version_id (); | |
1220 | break; | |
1221 | ||
1222 | /* -Qy, -Qn: SVR4 arguments controlling whether a .comment section | |
1223 | should be emitted or not. FIXME: Not implemented. */ | |
1224 | case 'Q': | |
1225 | break; | |
1226 | ||
1227 | /* Solaris takes -s to specify that .stabs go in a .stabs section, | |
1228 | rather than .stabs.excl, which is ignored by the linker. | |
1229 | FIXME: Not implemented. */ | |
1230 | case 's': | |
1231 | if (arg) | |
1232 | return 0; | |
1233 | ||
1234 | break; | |
1235 | #endif | |
1236 | ||
cef4f754 AM |
1237 | case OPTION_NOPS: |
1238 | { | |
1239 | char *end; | |
1240 | nop_limit = strtoul (optarg, &end, 0); | |
1241 | if (*end) | |
1242 | as_bad (_("--nops needs a numeric argument")); | |
1243 | } | |
1244 | break; | |
85645aed | 1245 | |
bf7279d5 AM |
1246 | case 0: |
1247 | break; | |
1248 | ||
252b5132 RH |
1249 | default: |
1250 | return 0; | |
1251 | } | |
1252 | ||
1253 | return 1; | |
1254 | } | |
1255 | ||
1256 | void | |
98027b10 | 1257 | md_show_usage (FILE *stream) |
252b5132 | 1258 | { |
bc805888 | 1259 | fprintf (stream, _("\ |
252b5132 | 1260 | PowerPC options:\n\ |
ce3d2015 AM |
1261 | -a32 generate ELF32/XCOFF32\n\ |
1262 | -a64 generate ELF64/XCOFF64\n\ | |
1263 | -u ignored\n\ | |
1264 | -mpwrx, -mpwr2 generate code for POWER/2 (RIOS2)\n\ | |
1265 | -mpwr generate code for POWER (RIOS1)\n\ | |
1266 | -m601 generate code for PowerPC 601\n\ | |
418c1742 | 1267 | -mppc, -mppc32, -m603, -m604\n\ |
ce3d2015 AM |
1268 | generate code for PowerPC 603/604\n\ |
1269 | -m403 generate code for PowerPC 403\n\ | |
1270 | -m405 generate code for PowerPC 405\n\ | |
1271 | -m440 generate code for PowerPC 440\n\ | |
1272 | -m464 generate code for PowerPC 464\n\ | |
1273 | -m476 generate code for PowerPC 476\n\ | |
f5c120c5 | 1274 | -m7400, -m7410, -m7450, -m7455\n\ |
ce3d2015 | 1275 | generate code for PowerPC 7400/7410/7450/7455\n\ |
ef5a96d5 AM |
1276 | -m750cl generate code for PowerPC 750cl\n\ |
1277 | -m821, -m850, -m860 generate code for PowerPC 821/850/860\n")); | |
df12615d | 1278 | fprintf (stream, _("\ |
ce3d2015 AM |
1279 | -mppc64, -m620 generate code for PowerPC 620/625/630\n\ |
1280 | -mppc64bridge generate code for PowerPC 64, including bridge insns\n\ | |
1281 | -mbooke generate code for 32-bit PowerPC BookE\n\ | |
1282 | -ma2 generate code for A2 architecture\n\ | |
cdc51b07 RS |
1283 | -mpower4, -mpwr4 generate code for Power4 architecture\n\ |
1284 | -mpower5, -mpwr5, -mpwr5x\n\ | |
1285 | generate code for Power5 architecture\n\ | |
1286 | -mpower6, -mpwr6 generate code for Power6 architecture\n\ | |
1287 | -mpower7, -mpwr7 generate code for Power7 architecture\n\ | |
5817ffd1 | 1288 | -mpower8, -mpwr8 generate code for Power8 architecture\n\ |
a680de9a | 1289 | -mpower9, -mpwr9 generate code for Power9 architecture\n\ |
ce3d2015 | 1290 | -mcell generate code for Cell Broadband Engine architecture\n\ |
33eaf5de | 1291 | -mcom generate code for Power/PowerPC common instructions\n\ |
ce3d2015 | 1292 | -many generate code for any architecture (PWR/PWRX/PPC)\n")); |
6a0c61b7 | 1293 | fprintf (stream, _("\ |
ce3d2015 AM |
1294 | -maltivec generate code for AltiVec\n\ |
1295 | -mvsx generate code for Vector-Scalar (VSX) instructions\n\ | |
5817ffd1 | 1296 | -mhtm generate code for Hardware Transactional Memory\n\ |
ce3d2015 AM |
1297 | -me300 generate code for PowerPC e300 family\n\ |
1298 | -me500, -me500x2 generate code for Motorola e500 core complex\n\ | |
1299 | -me500mc, generate code for Freescale e500mc core complex\n\ | |
1300 | -me500mc64, generate code for Freescale e500mc64 core complex\n\ | |
aea77599 AM |
1301 | -me5500, generate code for Freescale e5500 core complex\n\ |
1302 | -me6500, generate code for Freescale e6500 core complex\n\ | |
ce3d2015 | 1303 | -mspe generate code for Motorola SPE instructions\n\ |
b9c361e0 | 1304 | -mvle generate code for Freescale VLE instructions\n\ |
ce3d2015 AM |
1305 | -mtitan generate code for AppliedMicro Titan core complex\n\ |
1306 | -mregnames Allow symbolic names for registers\n\ | |
1307 | -mno-regnames Do not allow symbolic names for registers\n")); | |
252b5132 | 1308 | #ifdef OBJ_ELF |
bc805888 | 1309 | fprintf (stream, _("\ |
ce3d2015 AM |
1310 | -mrelocatable support for GCC's -mrelocatble option\n\ |
1311 | -mrelocatable-lib support for GCC's -mrelocatble-lib option\n\ | |
1312 | -memb set PPC_EMB bit in ELF flags\n\ | |
b8b738ac | 1313 | -mlittle, -mlittle-endian, -le\n\ |
ce3d2015 | 1314 | generate code for a little endian machine\n\ |
b8b738ac | 1315 | -mbig, -mbig-endian, -be\n\ |
ce3d2015 AM |
1316 | generate code for a big endian machine\n\ |
1317 | -msolaris generate code for Solaris\n\ | |
1318 | -mno-solaris do not generate code for Solaris\n\ | |
b8b738ac | 1319 | -K PIC set EF_PPC_RELOCATABLE_LIB in ELF flags\n\ |
ce3d2015 AM |
1320 | -V print assembler version number\n\ |
1321 | -Qy, -Qn ignored\n")); | |
252b5132 | 1322 | #endif |
cef4f754 | 1323 | fprintf (stream, _("\ |
bf7279d5 AM |
1324 | -nops=count when aligning, more than COUNT nops uses a branch\n\ |
1325 | -ppc476-workaround warn if emitting data to code sections\n")); | |
252b5132 RH |
1326 | } |
1327 | \f | |
1328 | /* Set ppc_cpu if it is not already set. */ | |
1329 | ||
1330 | static void | |
98027b10 | 1331 | ppc_set_cpu (void) |
252b5132 RH |
1332 | { |
1333 | const char *default_os = TARGET_OS; | |
1334 | const char *default_cpu = TARGET_CPU; | |
1335 | ||
7102e95e | 1336 | if ((ppc_cpu & ~(ppc_cpu_t) PPC_OPCODE_ANY) == 0) |
252b5132 | 1337 | { |
2a98c3a6 | 1338 | if (ppc_obj64) |
bdc70b4a | 1339 | ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_64; |
2a98c3a6 AM |
1340 | else if (strncmp (default_os, "aix", 3) == 0 |
1341 | && default_os[3] >= '4' && default_os[3] <= '9') | |
bdc70b4a | 1342 | ppc_cpu |= PPC_OPCODE_COMMON; |
252b5132 | 1343 | else if (strncmp (default_os, "aix3", 4) == 0) |
bdc70b4a | 1344 | ppc_cpu |= PPC_OPCODE_POWER; |
252b5132 | 1345 | else if (strcmp (default_cpu, "rs6000") == 0) |
bdc70b4a | 1346 | ppc_cpu |= PPC_OPCODE_POWER; |
0baf16f2 | 1347 | else if (strncmp (default_cpu, "powerpc", 7) == 0) |
bdc70b4a | 1348 | ppc_cpu |= PPC_OPCODE_PPC; |
252b5132 | 1349 | else |
d6ed37ed | 1350 | as_fatal (_("unknown default cpu = %s, os = %s"), |
99a814a1 | 1351 | default_cpu, default_os); |
252b5132 RH |
1352 | } |
1353 | } | |
1354 | ||
9232bbb0 AM |
1355 | /* Figure out the BFD architecture to use. This function and ppc_mach |
1356 | are called well before md_begin, when the output file is opened. */ | |
252b5132 RH |
1357 | |
1358 | enum bfd_architecture | |
98027b10 | 1359 | ppc_arch (void) |
252b5132 RH |
1360 | { |
1361 | const char *default_cpu = TARGET_CPU; | |
1362 | ppc_set_cpu (); | |
1363 | ||
1364 | if ((ppc_cpu & PPC_OPCODE_PPC) != 0) | |
1365 | return bfd_arch_powerpc; | |
b9c361e0 JL |
1366 | if ((ppc_cpu & PPC_OPCODE_VLE) != 0) |
1367 | return bfd_arch_powerpc; | |
1368 | if ((ppc_cpu & PPC_OPCODE_POWER) != 0) | |
252b5132 | 1369 | return bfd_arch_rs6000; |
b9c361e0 | 1370 | if ((ppc_cpu & (PPC_OPCODE_COMMON | PPC_OPCODE_ANY)) != 0) |
252b5132 RH |
1371 | { |
1372 | if (strcmp (default_cpu, "rs6000") == 0) | |
1373 | return bfd_arch_rs6000; | |
0baf16f2 | 1374 | else if (strncmp (default_cpu, "powerpc", 7) == 0) |
252b5132 RH |
1375 | return bfd_arch_powerpc; |
1376 | } | |
1377 | ||
d6ed37ed | 1378 | as_fatal (_("neither Power nor PowerPC opcodes were selected.")); |
252b5132 RH |
1379 | return bfd_arch_unknown; |
1380 | } | |
1381 | ||
7f6d05e8 | 1382 | unsigned long |
98027b10 | 1383 | ppc_mach (void) |
7f6d05e8 | 1384 | { |
2a98c3a6 AM |
1385 | if (ppc_obj64) |
1386 | return bfd_mach_ppc64; | |
1387 | else if (ppc_arch () == bfd_arch_rs6000) | |
1388 | return bfd_mach_rs6k; | |
ce3d2015 AM |
1389 | else if (ppc_cpu & PPC_OPCODE_TITAN) |
1390 | return bfd_mach_ppc_titan; | |
b9c361e0 JL |
1391 | else if (ppc_cpu & PPC_OPCODE_VLE) |
1392 | return bfd_mach_ppc_vle; | |
2a98c3a6 AM |
1393 | else |
1394 | return bfd_mach_ppc; | |
7f6d05e8 CP |
1395 | } |
1396 | ||
e0471c16 | 1397 | extern const char* |
98027b10 | 1398 | ppc_target_format (void) |
7f6d05e8 CP |
1399 | { |
1400 | #ifdef OBJ_COFF | |
1401 | #ifdef TE_PE | |
99a814a1 | 1402 | return target_big_endian ? "pe-powerpc" : "pe-powerpcle"; |
7f6d05e8 | 1403 | #elif TE_POWERMAC |
0baf16f2 | 1404 | return "xcoff-powermac"; |
7f6d05e8 | 1405 | #else |
eb1e0e80 | 1406 | # ifdef TE_AIX5 |
edc1d652 | 1407 | return (ppc_obj64 ? "aix5coff64-rs6000" : "aixcoff-rs6000"); |
eb1e0e80 | 1408 | # else |
edc1d652 | 1409 | return (ppc_obj64 ? "aixcoff64-rs6000" : "aixcoff-rs6000"); |
eb1e0e80 | 1410 | # endif |
7f6d05e8 | 1411 | #endif |
7f6d05e8 CP |
1412 | #endif |
1413 | #ifdef OBJ_ELF | |
edc1d652 AM |
1414 | # ifdef TE_FreeBSD |
1415 | return (ppc_obj64 ? "elf64-powerpc-freebsd" : "elf32-powerpc-freebsd"); | |
1416 | # elif defined (TE_VXWORKS) | |
9d8504b1 PB |
1417 | return "elf32-powerpc-vxworks"; |
1418 | # else | |
0baf16f2 | 1419 | return (target_big_endian |
2b3c4602 AM |
1420 | ? (ppc_obj64 ? "elf64-powerpc" : "elf32-powerpc") |
1421 | : (ppc_obj64 ? "elf64-powerpcle" : "elf32-powerpcle")); | |
9d8504b1 | 1422 | # endif |
7f6d05e8 CP |
1423 | #endif |
1424 | } | |
1425 | ||
b9c361e0 JL |
1426 | /* Validate one entry in powerpc_opcodes[] or vle_opcodes[]. |
1427 | Return TRUE if there's a problem, otherwise FALSE. */ | |
1428 | ||
1429 | static bfd_boolean | |
1430 | insn_validate (const struct powerpc_opcode *op) | |
1431 | { | |
1432 | const unsigned char *o; | |
1433 | unsigned long omask = op->mask; | |
1434 | ||
1435 | /* The mask had better not trim off opcode bits. */ | |
1436 | if ((op->opcode & omask) != op->opcode) | |
1437 | { | |
1438 | as_bad (_("mask trims opcode bits for %s"), op->name); | |
1439 | return TRUE; | |
1440 | } | |
1441 | ||
1442 | /* The operands must not overlap the opcode or each other. */ | |
1443 | for (o = op->operands; *o; ++o) | |
1444 | { | |
1445 | if (*o >= num_powerpc_operands) | |
1446 | { | |
1447 | as_bad (_("operand index error for %s"), op->name); | |
1448 | return TRUE; | |
1449 | } | |
1450 | else | |
1451 | { | |
1452 | const struct powerpc_operand *operand = &powerpc_operands[*o]; | |
b6518b38 | 1453 | if (operand->shift != (int) PPC_OPSHIFT_INV) |
b9c361e0 JL |
1454 | { |
1455 | unsigned long mask; | |
1456 | ||
1457 | if (operand->shift >= 0) | |
1458 | mask = operand->bitm << operand->shift; | |
1459 | else | |
1460 | mask = operand->bitm >> -operand->shift; | |
1461 | if (omask & mask) | |
1462 | { | |
1463 | as_bad (_("operand %d overlap in %s"), | |
1464 | (int) (o - op->operands), op->name); | |
1465 | return TRUE; | |
1466 | } | |
1467 | omask |= mask; | |
1468 | } | |
1469 | } | |
1470 | } | |
1471 | return FALSE; | |
1472 | } | |
1473 | ||
69c040df | 1474 | /* Insert opcodes and macros into hash tables. Called at startup and |
1fe532cf | 1475 | for .machine pseudo. */ |
252b5132 | 1476 | |
69c040df AM |
1477 | static void |
1478 | ppc_setup_opcodes (void) | |
252b5132 | 1479 | { |
98027b10 | 1480 | const struct powerpc_opcode *op; |
252b5132 RH |
1481 | const struct powerpc_opcode *op_end; |
1482 | const struct powerpc_macro *macro; | |
1483 | const struct powerpc_macro *macro_end; | |
b84bf58a | 1484 | bfd_boolean bad_insn = FALSE; |
252b5132 | 1485 | |
69c040df AM |
1486 | if (ppc_hash != NULL) |
1487 | hash_die (ppc_hash); | |
1488 | if (ppc_macro_hash != NULL) | |
1489 | hash_die (ppc_macro_hash); | |
252b5132 RH |
1490 | |
1491 | /* Insert the opcodes into a hash table. */ | |
1492 | ppc_hash = hash_new (); | |
1493 | ||
c43a438d | 1494 | if (ENABLE_CHECKING) |
b84bf58a | 1495 | { |
c43a438d | 1496 | unsigned int i; |
b84bf58a | 1497 | |
3b8b57a9 AM |
1498 | /* An index into powerpc_operands is stored in struct fix |
1499 | fx_pcrel_adjust which is 8 bits wide. */ | |
1500 | gas_assert (num_powerpc_operands < 256); | |
1501 | ||
c43a438d AM |
1502 | /* Check operand masks. Code here and in the disassembler assumes |
1503 | all the 1's in the mask are contiguous. */ | |
1504 | for (i = 0; i < num_powerpc_operands; ++i) | |
b84bf58a | 1505 | { |
c43a438d AM |
1506 | unsigned long mask = powerpc_operands[i].bitm; |
1507 | unsigned long right_bit; | |
1508 | unsigned int j; | |
1509 | ||
1510 | right_bit = mask & -mask; | |
1511 | mask += right_bit; | |
1512 | right_bit = mask & -mask; | |
1513 | if (mask != right_bit) | |
1514 | { | |
1515 | as_bad (_("powerpc_operands[%d].bitm invalid"), i); | |
1516 | bad_insn = TRUE; | |
1517 | } | |
1518 | for (j = i + 1; j < num_powerpc_operands; ++j) | |
1519 | if (memcmp (&powerpc_operands[i], &powerpc_operands[j], | |
1520 | sizeof (powerpc_operands[0])) == 0) | |
1521 | { | |
1522 | as_bad (_("powerpc_operands[%d] duplicates powerpc_operands[%d]"), | |
1523 | j, i); | |
1524 | bad_insn = TRUE; | |
1525 | } | |
b84bf58a AM |
1526 | } |
1527 | } | |
1528 | ||
252b5132 RH |
1529 | op_end = powerpc_opcodes + powerpc_num_opcodes; |
1530 | for (op = powerpc_opcodes; op < op_end; op++) | |
1531 | { | |
c43a438d | 1532 | if (ENABLE_CHECKING) |
b84bf58a | 1533 | { |
d815f1a9 | 1534 | if (op != powerpc_opcodes) |
8dbcd839 | 1535 | { |
b9c361e0 JL |
1536 | int old_opcode = PPC_OP (op[-1].opcode); |
1537 | int new_opcode = PPC_OP (op[0].opcode); | |
1538 | ||
1539 | #ifdef PRINT_OPCODE_TABLE | |
c0637f3a PB |
1540 | printf ("%-14s\t#%04u\tmajor op: 0x%x\top: 0x%x\tmask: 0x%x\tflags: 0x%llx\n", |
1541 | op->name, (unsigned int) (op - powerpc_opcodes), | |
1542 | (unsigned int) new_opcode, (unsigned int) op->opcode, | |
1543 | (unsigned int) op->mask, (unsigned long long) op->flags); | |
b9c361e0 JL |
1544 | #endif |
1545 | ||
d815f1a9 AM |
1546 | /* The major opcodes had better be sorted. Code in the |
1547 | disassembler assumes the insns are sorted according to | |
1548 | major opcode. */ | |
b9c361e0 | 1549 | if (new_opcode < old_opcode) |
d815f1a9 AM |
1550 | { |
1551 | as_bad (_("major opcode is not sorted for %s"), | |
1552 | op->name); | |
1553 | bad_insn = TRUE; | |
1554 | } | |
8dbcd839 | 1555 | } |
14b57c7c AM |
1556 | if ((op->flags & PPC_OPCODE_VLE) != 0) |
1557 | { | |
1558 | as_bad (_("%s is enabled by vle flag"), op->name); | |
1559 | bad_insn = TRUE; | |
1560 | } | |
1561 | if (PPC_OP (op->opcode) != 4 | |
1562 | && PPC_OP (op->opcode) != 31 | |
1563 | && (op->deprecated & PPC_OPCODE_VLE) == 0) | |
1564 | { | |
1565 | as_bad (_("%s not disabled by vle flag"), op->name); | |
1566 | bad_insn = TRUE; | |
1567 | } | |
b9c361e0 JL |
1568 | bad_insn |= insn_validate (op); |
1569 | } | |
c43a438d | 1570 | |
b9c361e0 JL |
1571 | if ((ppc_cpu & op->flags) != 0 |
1572 | && !(ppc_cpu & op->deprecated)) | |
1573 | { | |
1574 | const char *retval; | |
1575 | ||
1576 | retval = hash_insert (ppc_hash, op->name, (void *) op); | |
1577 | if (retval != NULL) | |
c43a438d | 1578 | { |
b9c361e0 | 1579 | as_bad (_("duplicate instruction %s"), |
c43a438d AM |
1580 | op->name); |
1581 | bad_insn = TRUE; | |
1582 | } | |
b9c361e0 JL |
1583 | } |
1584 | } | |
c43a438d | 1585 | |
b9c361e0 JL |
1586 | if ((ppc_cpu & PPC_OPCODE_ANY) != 0) |
1587 | for (op = powerpc_opcodes; op < op_end; op++) | |
1588 | hash_insert (ppc_hash, op->name, (void *) op); | |
1589 | ||
1590 | op_end = vle_opcodes + vle_num_opcodes; | |
1591 | for (op = vle_opcodes; op < op_end; op++) | |
1592 | { | |
1593 | if (ENABLE_CHECKING) | |
1594 | { | |
1595 | if (op != vle_opcodes) | |
1596 | { | |
1597 | unsigned old_seg, new_seg; | |
1598 | ||
1599 | old_seg = VLE_OP (op[-1].opcode, op[-1].mask); | |
1600 | old_seg = VLE_OP_TO_SEG (old_seg); | |
1601 | new_seg = VLE_OP (op[0].opcode, op[0].mask); | |
1602 | new_seg = VLE_OP_TO_SEG (new_seg); | |
1603 | ||
1604 | #ifdef PRINT_OPCODE_TABLE | |
c0637f3a PB |
1605 | printf ("%-14s\t#%04u\tmajor op: 0x%x\top: 0x%x\tmask: 0x%x\tflags: 0x%llx\n", |
1606 | op->name, (unsigned int) (op - powerpc_opcodes), | |
1607 | (unsigned int) new_seg, (unsigned int) op->opcode, | |
1608 | (unsigned int) op->mask, (unsigned long long) op->flags); | |
b9c361e0 JL |
1609 | #endif |
1610 | /* The major opcodes had better be sorted. Code in the | |
1611 | disassembler assumes the insns are sorted according to | |
1612 | major opcode. */ | |
1613 | if (new_seg < old_seg) | |
1614 | { | |
1615 | as_bad (_("major opcode is not sorted for %s"), | |
1616 | op->name); | |
1617 | bad_insn = TRUE; | |
1618 | } | |
1619 | } | |
1620 | ||
1621 | bad_insn |= insn_validate (op); | |
c43a438d | 1622 | } |
252b5132 | 1623 | |
bdc70b4a | 1624 | if ((ppc_cpu & op->flags) != 0 |
1cb0a767 | 1625 | && !(ppc_cpu & op->deprecated)) |
252b5132 RH |
1626 | { |
1627 | const char *retval; | |
1628 | ||
98027b10 | 1629 | retval = hash_insert (ppc_hash, op->name, (void *) op); |
69c040df | 1630 | if (retval != NULL) |
252b5132 | 1631 | { |
b84bf58a | 1632 | as_bad (_("duplicate instruction %s"), |
99a814a1 | 1633 | op->name); |
b84bf58a | 1634 | bad_insn = TRUE; |
252b5132 RH |
1635 | } |
1636 | } | |
1637 | } | |
1638 | ||
1639 | /* Insert the macros into a hash table. */ | |
1640 | ppc_macro_hash = hash_new (); | |
1641 | ||
1642 | macro_end = powerpc_macros + powerpc_num_macros; | |
1643 | for (macro = powerpc_macros; macro < macro_end; macro++) | |
1644 | { | |
33740db9 | 1645 | if ((macro->flags & ppc_cpu) != 0 || (ppc_cpu & PPC_OPCODE_ANY) != 0) |
252b5132 RH |
1646 | { |
1647 | const char *retval; | |
1648 | ||
98027b10 | 1649 | retval = hash_insert (ppc_macro_hash, macro->name, (void *) macro); |
252b5132 RH |
1650 | if (retval != (const char *) NULL) |
1651 | { | |
b84bf58a AM |
1652 | as_bad (_("duplicate macro %s"), macro->name); |
1653 | bad_insn = TRUE; | |
252b5132 RH |
1654 | } |
1655 | } | |
1656 | } | |
1657 | ||
b84bf58a | 1658 | if (bad_insn) |
252b5132 | 1659 | abort (); |
69c040df AM |
1660 | } |
1661 | ||
1662 | /* This function is called when the assembler starts up. It is called | |
1663 | after the options have been parsed and the output file has been | |
1664 | opened. */ | |
1665 | ||
1666 | void | |
98027b10 | 1667 | md_begin (void) |
69c040df AM |
1668 | { |
1669 | ppc_set_cpu (); | |
1670 | ||
1671 | ppc_cie_data_alignment = ppc_obj64 ? -8 : -4; | |
8fbf7334 | 1672 | ppc_dwarf2_line_min_insn_length = (ppc_cpu & PPC_OPCODE_VLE) ? 2 : 4; |
69c040df AM |
1673 | |
1674 | #ifdef OBJ_ELF | |
1675 | /* Set the ELF flags if desired. */ | |
1676 | if (ppc_flags && !msolaris) | |
1677 | bfd_set_private_flags (stdoutput, ppc_flags); | |
1678 | #endif | |
1679 | ||
1680 | ppc_setup_opcodes (); | |
252b5132 | 1681 | |
67c1ffbe | 1682 | /* Tell the main code what the endianness is if it is not overridden |
99a814a1 | 1683 | by the user. */ |
252b5132 RH |
1684 | if (!set_target_endian) |
1685 | { | |
1686 | set_target_endian = 1; | |
1687 | target_big_endian = PPC_BIG_ENDIAN; | |
1688 | } | |
1689 | ||
1690 | #ifdef OBJ_XCOFF | |
1691 | ppc_coff_debug_section = coff_section_from_bfd_index (stdoutput, N_DEBUG); | |
1692 | ||
1693 | /* Create dummy symbols to serve as initial csects. This forces the | |
1694 | text csects to precede the data csects. These symbols will not | |
1695 | be output. */ | |
1696 | ppc_text_csects = symbol_make ("dummy\001"); | |
809ffe0d | 1697 | symbol_get_tc (ppc_text_csects)->within = ppc_text_csects; |
252b5132 | 1698 | ppc_data_csects = symbol_make ("dummy\001"); |
809ffe0d | 1699 | symbol_get_tc (ppc_data_csects)->within = ppc_data_csects; |
252b5132 RH |
1700 | #endif |
1701 | ||
1702 | #ifdef TE_PE | |
1703 | ||
1704 | ppc_current_section = text_section; | |
81d4177b | 1705 | ppc_previous_section = 0; |
252b5132 RH |
1706 | |
1707 | #endif | |
1708 | } | |
1709 | ||
6a0c61b7 | 1710 | void |
98027b10 | 1711 | ppc_cleanup (void) |
6a0c61b7 | 1712 | { |
dc1d03fc | 1713 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
1714 | if (ppc_apuinfo_list == NULL) |
1715 | return; | |
1716 | ||
1717 | /* Ok, so write the section info out. We have this layout: | |
1718 | ||
1719 | byte data what | |
1720 | ---- ---- ---- | |
1721 | 0 8 length of "APUinfo\0" | |
1722 | 4 (n*4) number of APU's (4 bytes each) | |
1723 | 8 2 note type 2 | |
1724 | 12 "APUinfo\0" name | |
1725 | 20 APU#1 first APU's info | |
1726 | 24 APU#2 second APU's info | |
1727 | ... ... | |
1728 | */ | |
1729 | { | |
1730 | char *p; | |
1731 | asection *seg = now_seg; | |
1732 | subsegT subseg = now_subseg; | |
1733 | asection *apuinfo_secp = (asection *) NULL; | |
49181a6a | 1734 | unsigned int i; |
6a0c61b7 EZ |
1735 | |
1736 | /* Create the .PPC.EMB.apuinfo section. */ | |
14b57c7c | 1737 | apuinfo_secp = subseg_new (APUINFO_SECTION_NAME, 0); |
6a0c61b7 EZ |
1738 | bfd_set_section_flags (stdoutput, |
1739 | apuinfo_secp, | |
e1a9cb8e | 1740 | SEC_HAS_CONTENTS | SEC_READONLY); |
6a0c61b7 EZ |
1741 | |
1742 | p = frag_more (4); | |
1743 | md_number_to_chars (p, (valueT) 8, 4); | |
1744 | ||
1745 | p = frag_more (4); | |
e98d298c | 1746 | md_number_to_chars (p, (valueT) ppc_apuinfo_num * 4, 4); |
6a0c61b7 EZ |
1747 | |
1748 | p = frag_more (4); | |
1749 | md_number_to_chars (p, (valueT) 2, 4); | |
1750 | ||
1751 | p = frag_more (8); | |
14b57c7c | 1752 | strcpy (p, APUINFO_LABEL); |
6a0c61b7 EZ |
1753 | |
1754 | for (i = 0; i < ppc_apuinfo_num; i++) | |
1755 | { | |
b34976b6 AM |
1756 | p = frag_more (4); |
1757 | md_number_to_chars (p, (valueT) ppc_apuinfo_list[i], 4); | |
6a0c61b7 EZ |
1758 | } |
1759 | ||
1760 | frag_align (2, 0, 0); | |
1761 | ||
1762 | /* We probably can't restore the current segment, for there likely | |
1763 | isn't one yet... */ | |
1764 | if (seg && subseg) | |
1765 | subseg_set (seg, subseg); | |
1766 | } | |
dc1d03fc | 1767 | #endif |
6a0c61b7 EZ |
1768 | } |
1769 | ||
252b5132 RH |
1770 | /* Insert an operand value into an instruction. */ |
1771 | ||
1772 | static unsigned long | |
a1867a27 AM |
1773 | ppc_insert_operand (unsigned long insn, |
1774 | const struct powerpc_operand *operand, | |
1775 | offsetT val, | |
91d6fa6a | 1776 | ppc_cpu_t cpu, |
3b4dbbbf | 1777 | const char *file, |
a1867a27 | 1778 | unsigned int line) |
252b5132 | 1779 | { |
b84bf58a | 1780 | long min, max, right; |
eb42fac1 | 1781 | |
b84bf58a AM |
1782 | max = operand->bitm; |
1783 | right = max & -max; | |
1784 | min = 0; | |
1785 | ||
a47622ac | 1786 | if ((operand->flags & PPC_OPERAND_SIGNOPT) != 0) |
252b5132 | 1787 | { |
a255f00a AM |
1788 | /* Extend the allowed range for addis to [-32768, 65535]. |
1789 | Similarly for cmpli and some VLE high part insns. For 64-bit | |
1790 | it would be good to disable this for signed fields since the | |
a47622ac AM |
1791 | value is sign extended into the high 32 bits of the register. |
1792 | If the value is, say, an address, then we might care about | |
1793 | the high bits. However, gcc as of 2014-06 uses unsigned | |
1794 | values when loading the high part of 64-bit constants using | |
a255f00a AM |
1795 | lis. */ |
1796 | min = ~(max >> 1) & -right; | |
a47622ac AM |
1797 | } |
1798 | else if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
1799 | { | |
1800 | max = (max >> 1) & -right; | |
931774a9 | 1801 | min = ~max & -right; |
b84bf58a | 1802 | } |
252b5132 | 1803 | |
b84bf58a | 1804 | if ((operand->flags & PPC_OPERAND_PLUS1) != 0) |
3896c469 | 1805 | max++; |
252b5132 | 1806 | |
b84bf58a | 1807 | if ((operand->flags & PPC_OPERAND_NEGATIVE) != 0) |
a1867a27 AM |
1808 | { |
1809 | long tmp = min; | |
1810 | min = -max; | |
1811 | max = -tmp; | |
1812 | } | |
b84bf58a | 1813 | |
a1867a27 AM |
1814 | if (min <= max) |
1815 | { | |
1816 | /* Some people write constants with the sign extension done by | |
1817 | hand but only up to 32 bits. This shouldn't really be valid, | |
1818 | but, to permit this code to assemble on a 64-bit host, we | |
1819 | sign extend the 32-bit value to 64 bits if so doing makes the | |
1820 | value valid. */ | |
1821 | if (val > max | |
1822 | && (offsetT) (val - 0x80000000 - 0x80000000) >= min | |
1823 | && (offsetT) (val - 0x80000000 - 0x80000000) <= max | |
1824 | && ((val - 0x80000000 - 0x80000000) & (right - 1)) == 0) | |
1825 | val = val - 0x80000000 - 0x80000000; | |
1826 | ||
1827 | /* Similarly, people write expressions like ~(1<<15), and expect | |
1828 | this to be OK for a 32-bit unsigned value. */ | |
1829 | else if (val < min | |
1830 | && (offsetT) (val + 0x80000000 + 0x80000000) >= min | |
1831 | && (offsetT) (val + 0x80000000 + 0x80000000) <= max | |
1832 | && ((val + 0x80000000 + 0x80000000) & (right - 1)) == 0) | |
1833 | val = val + 0x80000000 + 0x80000000; | |
1834 | ||
1835 | else if (val < min | |
1836 | || val > max | |
1837 | || (val & (right - 1)) != 0) | |
1838 | as_bad_value_out_of_range (_("operand"), val, min, max, file, line); | |
1839 | } | |
b84bf58a | 1840 | |
252b5132 RH |
1841 | if (operand->insert) |
1842 | { | |
1843 | const char *errmsg; | |
1844 | ||
1845 | errmsg = NULL; | |
91d6fa6a | 1846 | insn = (*operand->insert) (insn, (long) val, cpu, &errmsg); |
252b5132 | 1847 | if (errmsg != (const char *) NULL) |
ee2c9aa9 | 1848 | as_bad_where (file, line, "%s", errmsg); |
252b5132 | 1849 | } |
b9c361e0 | 1850 | else if (operand->shift >= 0) |
b84bf58a | 1851 | insn |= ((long) val & operand->bitm) << operand->shift; |
b9c361e0 JL |
1852 | else |
1853 | insn |= ((long) val & operand->bitm) >> -operand->shift; | |
252b5132 RH |
1854 | |
1855 | return insn; | |
1856 | } | |
1857 | ||
1858 | \f | |
1859 | #ifdef OBJ_ELF | |
1860 | /* Parse @got, etc. and return the desired relocation. */ | |
1861 | static bfd_reloc_code_real_type | |
98027b10 | 1862 | ppc_elf_suffix (char **str_p, expressionS *exp_p) |
252b5132 RH |
1863 | { |
1864 | struct map_bfd { | |
e0471c16 | 1865 | const char *string; |
b7d7dc63 AM |
1866 | unsigned int length : 8; |
1867 | unsigned int valid32 : 1; | |
1868 | unsigned int valid64 : 1; | |
1869 | unsigned int reloc; | |
252b5132 RH |
1870 | }; |
1871 | ||
1872 | char ident[20]; | |
1873 | char *str = *str_p; | |
1874 | char *str2; | |
1875 | int ch; | |
1876 | int len; | |
15c1449b | 1877 | const struct map_bfd *ptr; |
252b5132 | 1878 | |
b7d7dc63 AM |
1879 | #define MAP(str, reloc) { str, sizeof (str) - 1, 1, 1, reloc } |
1880 | #define MAP32(str, reloc) { str, sizeof (str) - 1, 1, 0, reloc } | |
1881 | #define MAP64(str, reloc) { str, sizeof (str) - 1, 0, 1, reloc } | |
252b5132 | 1882 | |
15c1449b | 1883 | static const struct map_bfd mapping[] = { |
b7d7dc63 AM |
1884 | MAP ("l", BFD_RELOC_LO16), |
1885 | MAP ("h", BFD_RELOC_HI16), | |
1886 | MAP ("ha", BFD_RELOC_HI16_S), | |
1887 | MAP ("brtaken", BFD_RELOC_PPC_B16_BRTAKEN), | |
1888 | MAP ("brntaken", BFD_RELOC_PPC_B16_BRNTAKEN), | |
1889 | MAP ("got", BFD_RELOC_16_GOTOFF), | |
1890 | MAP ("got@l", BFD_RELOC_LO16_GOTOFF), | |
1891 | MAP ("got@h", BFD_RELOC_HI16_GOTOFF), | |
1892 | MAP ("got@ha", BFD_RELOC_HI16_S_GOTOFF), | |
1893 | MAP ("plt@l", BFD_RELOC_LO16_PLTOFF), | |
1894 | MAP ("plt@h", BFD_RELOC_HI16_PLTOFF), | |
1895 | MAP ("plt@ha", BFD_RELOC_HI16_S_PLTOFF), | |
1896 | MAP ("copy", BFD_RELOC_PPC_COPY), | |
1897 | MAP ("globdat", BFD_RELOC_PPC_GLOB_DAT), | |
1898 | MAP ("sectoff", BFD_RELOC_16_BASEREL), | |
1899 | MAP ("sectoff@l", BFD_RELOC_LO16_BASEREL), | |
1900 | MAP ("sectoff@h", BFD_RELOC_HI16_BASEREL), | |
1901 | MAP ("sectoff@ha", BFD_RELOC_HI16_S_BASEREL), | |
1902 | MAP ("tls", BFD_RELOC_PPC_TLS), | |
1903 | MAP ("dtpmod", BFD_RELOC_PPC_DTPMOD), | |
1904 | MAP ("dtprel", BFD_RELOC_PPC_DTPREL), | |
1905 | MAP ("dtprel@l", BFD_RELOC_PPC_DTPREL16_LO), | |
1906 | MAP ("dtprel@h", BFD_RELOC_PPC_DTPREL16_HI), | |
1907 | MAP ("dtprel@ha", BFD_RELOC_PPC_DTPREL16_HA), | |
1908 | MAP ("tprel", BFD_RELOC_PPC_TPREL), | |
1909 | MAP ("tprel@l", BFD_RELOC_PPC_TPREL16_LO), | |
1910 | MAP ("tprel@h", BFD_RELOC_PPC_TPREL16_HI), | |
1911 | MAP ("tprel@ha", BFD_RELOC_PPC_TPREL16_HA), | |
1912 | MAP ("got@tlsgd", BFD_RELOC_PPC_GOT_TLSGD16), | |
1913 | MAP ("got@tlsgd@l", BFD_RELOC_PPC_GOT_TLSGD16_LO), | |
1914 | MAP ("got@tlsgd@h", BFD_RELOC_PPC_GOT_TLSGD16_HI), | |
1915 | MAP ("got@tlsgd@ha", BFD_RELOC_PPC_GOT_TLSGD16_HA), | |
1916 | MAP ("got@tlsld", BFD_RELOC_PPC_GOT_TLSLD16), | |
1917 | MAP ("got@tlsld@l", BFD_RELOC_PPC_GOT_TLSLD16_LO), | |
1918 | MAP ("got@tlsld@h", BFD_RELOC_PPC_GOT_TLSLD16_HI), | |
1919 | MAP ("got@tlsld@ha", BFD_RELOC_PPC_GOT_TLSLD16_HA), | |
1920 | MAP ("got@dtprel", BFD_RELOC_PPC_GOT_DTPREL16), | |
1921 | MAP ("got@dtprel@l", BFD_RELOC_PPC_GOT_DTPREL16_LO), | |
1922 | MAP ("got@dtprel@h", BFD_RELOC_PPC_GOT_DTPREL16_HI), | |
1923 | MAP ("got@dtprel@ha", BFD_RELOC_PPC_GOT_DTPREL16_HA), | |
1924 | MAP ("got@tprel", BFD_RELOC_PPC_GOT_TPREL16), | |
1925 | MAP ("got@tprel@l", BFD_RELOC_PPC_GOT_TPREL16_LO), | |
1926 | MAP ("got@tprel@h", BFD_RELOC_PPC_GOT_TPREL16_HI), | |
1927 | MAP ("got@tprel@ha", BFD_RELOC_PPC_GOT_TPREL16_HA), | |
1928 | MAP32 ("fixup", BFD_RELOC_CTOR), | |
1929 | MAP32 ("plt", BFD_RELOC_24_PLT_PCREL), | |
1930 | MAP32 ("pltrel24", BFD_RELOC_24_PLT_PCREL), | |
1931 | MAP32 ("local24pc", BFD_RELOC_PPC_LOCAL24PC), | |
1932 | MAP32 ("local", BFD_RELOC_PPC_LOCAL24PC), | |
1933 | MAP32 ("pltrel", BFD_RELOC_32_PLT_PCREL), | |
1934 | MAP32 ("sdarel", BFD_RELOC_GPREL16), | |
b9c361e0 JL |
1935 | MAP32 ("sdarel@l", BFD_RELOC_PPC_VLE_SDAREL_LO16A), |
1936 | MAP32 ("sdarel@h", BFD_RELOC_PPC_VLE_SDAREL_HI16A), | |
1937 | MAP32 ("sdarel@ha", BFD_RELOC_PPC_VLE_SDAREL_HA16A), | |
b7d7dc63 AM |
1938 | MAP32 ("naddr", BFD_RELOC_PPC_EMB_NADDR32), |
1939 | MAP32 ("naddr16", BFD_RELOC_PPC_EMB_NADDR16), | |
1940 | MAP32 ("naddr@l", BFD_RELOC_PPC_EMB_NADDR16_LO), | |
1941 | MAP32 ("naddr@h", BFD_RELOC_PPC_EMB_NADDR16_HI), | |
1942 | MAP32 ("naddr@ha", BFD_RELOC_PPC_EMB_NADDR16_HA), | |
1943 | MAP32 ("sdai16", BFD_RELOC_PPC_EMB_SDAI16), | |
1944 | MAP32 ("sda2rel", BFD_RELOC_PPC_EMB_SDA2REL), | |
1945 | MAP32 ("sda2i16", BFD_RELOC_PPC_EMB_SDA2I16), | |
1946 | MAP32 ("sda21", BFD_RELOC_PPC_EMB_SDA21), | |
b9c361e0 | 1947 | MAP32 ("sda21@l", BFD_RELOC_PPC_VLE_SDA21_LO), |
b7d7dc63 AM |
1948 | MAP32 ("mrkref", BFD_RELOC_PPC_EMB_MRKREF), |
1949 | MAP32 ("relsect", BFD_RELOC_PPC_EMB_RELSEC16), | |
1950 | MAP32 ("relsect@l", BFD_RELOC_PPC_EMB_RELST_LO), | |
1951 | MAP32 ("relsect@h", BFD_RELOC_PPC_EMB_RELST_HI), | |
1952 | MAP32 ("relsect@ha", BFD_RELOC_PPC_EMB_RELST_HA), | |
1953 | MAP32 ("bitfld", BFD_RELOC_PPC_EMB_BIT_FLD), | |
1954 | MAP32 ("relsda", BFD_RELOC_PPC_EMB_RELSDA), | |
1955 | MAP32 ("xgot", BFD_RELOC_PPC_TOC16), | |
f9c6b907 AM |
1956 | MAP64 ("high", BFD_RELOC_PPC64_ADDR16_HIGH), |
1957 | MAP64 ("higha", BFD_RELOC_PPC64_ADDR16_HIGHA), | |
b7d7dc63 AM |
1958 | MAP64 ("higher", BFD_RELOC_PPC64_HIGHER), |
1959 | MAP64 ("highera", BFD_RELOC_PPC64_HIGHER_S), | |
1960 | MAP64 ("highest", BFD_RELOC_PPC64_HIGHEST), | |
1961 | MAP64 ("highesta", BFD_RELOC_PPC64_HIGHEST_S), | |
1962 | MAP64 ("tocbase", BFD_RELOC_PPC64_TOC), | |
1963 | MAP64 ("toc", BFD_RELOC_PPC_TOC16), | |
1964 | MAP64 ("toc@l", BFD_RELOC_PPC64_TOC16_LO), | |
1965 | MAP64 ("toc@h", BFD_RELOC_PPC64_TOC16_HI), | |
1966 | MAP64 ("toc@ha", BFD_RELOC_PPC64_TOC16_HA), | |
f9c6b907 AM |
1967 | MAP64 ("dtprel@high", BFD_RELOC_PPC64_DTPREL16_HIGH), |
1968 | MAP64 ("dtprel@higha", BFD_RELOC_PPC64_DTPREL16_HIGHA), | |
b7d7dc63 AM |
1969 | MAP64 ("dtprel@higher", BFD_RELOC_PPC64_DTPREL16_HIGHER), |
1970 | MAP64 ("dtprel@highera", BFD_RELOC_PPC64_DTPREL16_HIGHERA), | |
1971 | MAP64 ("dtprel@highest", BFD_RELOC_PPC64_DTPREL16_HIGHEST), | |
1972 | MAP64 ("dtprel@highesta", BFD_RELOC_PPC64_DTPREL16_HIGHESTA), | |
45965137 | 1973 | MAP64 ("localentry", BFD_RELOC_PPC64_ADDR64_LOCAL), |
f9c6b907 AM |
1974 | MAP64 ("tprel@high", BFD_RELOC_PPC64_TPREL16_HIGH), |
1975 | MAP64 ("tprel@higha", BFD_RELOC_PPC64_TPREL16_HIGHA), | |
b7d7dc63 AM |
1976 | MAP64 ("tprel@higher", BFD_RELOC_PPC64_TPREL16_HIGHER), |
1977 | MAP64 ("tprel@highera", BFD_RELOC_PPC64_TPREL16_HIGHERA), | |
1978 | MAP64 ("tprel@highest", BFD_RELOC_PPC64_TPREL16_HIGHEST), | |
1979 | MAP64 ("tprel@highesta", BFD_RELOC_PPC64_TPREL16_HIGHESTA), | |
62ebcb5c | 1980 | { (char *) 0, 0, 0, 0, BFD_RELOC_NONE } |
252b5132 RH |
1981 | }; |
1982 | ||
1983 | if (*str++ != '@') | |
62ebcb5c | 1984 | return BFD_RELOC_NONE; |
252b5132 RH |
1985 | |
1986 | for (ch = *str, str2 = ident; | |
1987 | (str2 < ident + sizeof (ident) - 1 | |
3882b010 | 1988 | && (ISALNUM (ch) || ch == '@')); |
252b5132 RH |
1989 | ch = *++str) |
1990 | { | |
3882b010 | 1991 | *str2++ = TOLOWER (ch); |
252b5132 RH |
1992 | } |
1993 | ||
1994 | *str2 = '\0'; | |
1995 | len = str2 - ident; | |
1996 | ||
1997 | ch = ident[0]; | |
1998 | for (ptr = &mapping[0]; ptr->length > 0; ptr++) | |
1999 | if (ch == ptr->string[0] | |
2000 | && len == ptr->length | |
b7d7dc63 AM |
2001 | && memcmp (ident, ptr->string, ptr->length) == 0 |
2002 | && (ppc_obj64 ? ptr->valid64 : ptr->valid32)) | |
252b5132 | 2003 | { |
15c1449b AM |
2004 | int reloc = ptr->reloc; |
2005 | ||
727fc41e AM |
2006 | if (!ppc_obj64 && exp_p->X_add_number != 0) |
2007 | { | |
2008 | switch (reloc) | |
2009 | { | |
2010 | case BFD_RELOC_16_GOTOFF: | |
2011 | case BFD_RELOC_LO16_GOTOFF: | |
2012 | case BFD_RELOC_HI16_GOTOFF: | |
2013 | case BFD_RELOC_HI16_S_GOTOFF: | |
2014 | as_warn (_("identifier+constant@got means " | |
2015 | "identifier@got+constant")); | |
2016 | break; | |
2017 | ||
2018 | case BFD_RELOC_PPC_GOT_TLSGD16: | |
2019 | case BFD_RELOC_PPC_GOT_TLSGD16_LO: | |
2020 | case BFD_RELOC_PPC_GOT_TLSGD16_HI: | |
2021 | case BFD_RELOC_PPC_GOT_TLSGD16_HA: | |
2022 | case BFD_RELOC_PPC_GOT_TLSLD16: | |
2023 | case BFD_RELOC_PPC_GOT_TLSLD16_LO: | |
2024 | case BFD_RELOC_PPC_GOT_TLSLD16_HI: | |
2025 | case BFD_RELOC_PPC_GOT_TLSLD16_HA: | |
2026 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
2027 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
2028 | case BFD_RELOC_PPC_GOT_DTPREL16_HI: | |
2029 | case BFD_RELOC_PPC_GOT_DTPREL16_HA: | |
2030 | case BFD_RELOC_PPC_GOT_TPREL16: | |
2031 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
2032 | case BFD_RELOC_PPC_GOT_TPREL16_HI: | |
2033 | case BFD_RELOC_PPC_GOT_TPREL16_HA: | |
2034 | as_bad (_("symbol+offset not supported for got tls")); | |
2035 | break; | |
2036 | } | |
2037 | } | |
5f6db75a AM |
2038 | |
2039 | /* Now check for identifier@suffix+constant. */ | |
2040 | if (*str == '-' || *str == '+') | |
252b5132 | 2041 | { |
5f6db75a AM |
2042 | char *orig_line = input_line_pointer; |
2043 | expressionS new_exp; | |
2044 | ||
2045 | input_line_pointer = str; | |
2046 | expression (&new_exp); | |
2047 | if (new_exp.X_op == O_constant) | |
252b5132 | 2048 | { |
5f6db75a AM |
2049 | exp_p->X_add_number += new_exp.X_add_number; |
2050 | str = input_line_pointer; | |
252b5132 | 2051 | } |
5f6db75a AM |
2052 | |
2053 | if (&input_line_pointer != str_p) | |
2054 | input_line_pointer = orig_line; | |
252b5132 | 2055 | } |
252b5132 | 2056 | *str_p = str; |
0baf16f2 | 2057 | |
2b3c4602 | 2058 | if (reloc == (int) BFD_RELOC_PPC64_TOC |
9f2b53d7 AM |
2059 | && exp_p->X_op == O_symbol |
2060 | && strcmp (S_GET_NAME (exp_p->X_add_symbol), ".TOC.") == 0) | |
0baf16f2 | 2061 | { |
9f2b53d7 AM |
2062 | /* Change the symbol so that the dummy .TOC. symbol can be |
2063 | omitted from the object file. */ | |
0baf16f2 AM |
2064 | exp_p->X_add_symbol = &abs_symbol; |
2065 | } | |
2066 | ||
15c1449b | 2067 | return (bfd_reloc_code_real_type) reloc; |
252b5132 RH |
2068 | } |
2069 | ||
62ebcb5c | 2070 | return BFD_RELOC_NONE; |
252b5132 RH |
2071 | } |
2072 | ||
62ebcb5c | 2073 | /* Support @got, etc. on constants emitted via .short, .int etc. */ |
99a814a1 | 2074 | |
62ebcb5c AM |
2075 | bfd_reloc_code_real_type |
2076 | ppc_elf_parse_cons (expressionS *exp, unsigned int nbytes) | |
2077 | { | |
2078 | expression (exp); | |
2079 | if (nbytes >= 2 && *input_line_pointer == '@') | |
2080 | return ppc_elf_suffix (&input_line_pointer, exp); | |
2081 | return BFD_RELOC_NONE; | |
252b5132 RH |
2082 | } |
2083 | ||
bf7279d5 AM |
2084 | /* Warn when emitting data to code sections, unless we are emitting |
2085 | a relocation that ld --ppc476-workaround uses to recognise data | |
2086 | *and* there was an unconditional branch prior to the data. */ | |
2087 | ||
2088 | void | |
2089 | ppc_elf_cons_fix_check (expressionS *exp ATTRIBUTE_UNUSED, | |
2090 | unsigned int nbytes, fixS *fix) | |
2091 | { | |
2092 | if (warn_476 | |
2093 | && (now_seg->flags & SEC_CODE) != 0 | |
2094 | && (nbytes != 4 | |
2095 | || fix == NULL | |
2096 | || !(fix->fx_r_type == BFD_RELOC_32 | |
2097 | || fix->fx_r_type == BFD_RELOC_CTOR | |
2098 | || fix->fx_r_type == BFD_RELOC_32_PCREL) | |
2099 | || !(last_seg == now_seg && last_subseg == now_subseg) | |
2100 | || !((last_insn & (0x3f << 26)) == (18u << 26) | |
2101 | || ((last_insn & (0x3f << 26)) == (16u << 26) | |
2102 | && (last_insn & (0x14 << 21)) == (0x14 << 21)) | |
2103 | || ((last_insn & (0x3f << 26)) == (19u << 26) | |
2104 | && (last_insn & (0x3ff << 1)) == (16u << 1) | |
2105 | && (last_insn & (0x14 << 21)) == (0x14 << 21))))) | |
2106 | { | |
2107 | /* Flag that we've warned. */ | |
2108 | if (fix != NULL) | |
2109 | fix->fx_tcbit = 1; | |
2110 | ||
2111 | as_warn (_("data in executable section")); | |
2112 | } | |
2113 | } | |
2114 | ||
252b5132 RH |
2115 | /* Solaris pseduo op to change to the .rodata section. */ |
2116 | static void | |
98027b10 | 2117 | ppc_elf_rdata (int xxx) |
252b5132 RH |
2118 | { |
2119 | char *save_line = input_line_pointer; | |
2120 | static char section[] = ".rodata\n"; | |
2121 | ||
99a814a1 | 2122 | /* Just pretend this is .section .rodata */ |
252b5132 RH |
2123 | input_line_pointer = section; |
2124 | obj_elf_section (xxx); | |
2125 | ||
2126 | input_line_pointer = save_line; | |
2127 | } | |
2128 | ||
99a814a1 | 2129 | /* Pseudo op to make file scope bss items. */ |
252b5132 | 2130 | static void |
98027b10 | 2131 | ppc_elf_lcomm (int xxx ATTRIBUTE_UNUSED) |
252b5132 | 2132 | { |
98027b10 AM |
2133 | char *name; |
2134 | char c; | |
2135 | char *p; | |
252b5132 | 2136 | offsetT size; |
98027b10 | 2137 | symbolS *symbolP; |
252b5132 RH |
2138 | offsetT align; |
2139 | segT old_sec; | |
2140 | int old_subsec; | |
2141 | char *pfrag; | |
2142 | int align2; | |
2143 | ||
d02603dc | 2144 | c = get_symbol_name (&name); |
252b5132 | 2145 | |
d02603dc | 2146 | /* Just after name is now '\0'. */ |
252b5132 RH |
2147 | p = input_line_pointer; |
2148 | *p = c; | |
d02603dc | 2149 | SKIP_WHITESPACE_AFTER_NAME (); |
252b5132 RH |
2150 | if (*input_line_pointer != ',') |
2151 | { | |
d6ed37ed | 2152 | as_bad (_("expected comma after symbol-name: rest of line ignored.")); |
252b5132 RH |
2153 | ignore_rest_of_line (); |
2154 | return; | |
2155 | } | |
2156 | ||
2157 | input_line_pointer++; /* skip ',' */ | |
2158 | if ((size = get_absolute_expression ()) < 0) | |
2159 | { | |
2160 | as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) size); | |
2161 | ignore_rest_of_line (); | |
2162 | return; | |
2163 | } | |
2164 | ||
2165 | /* The third argument to .lcomm is the alignment. */ | |
2166 | if (*input_line_pointer != ',') | |
2167 | align = 8; | |
2168 | else | |
2169 | { | |
2170 | ++input_line_pointer; | |
2171 | align = get_absolute_expression (); | |
2172 | if (align <= 0) | |
2173 | { | |
2174 | as_warn (_("ignoring bad alignment")); | |
2175 | align = 8; | |
2176 | } | |
2177 | } | |
2178 | ||
2179 | *p = 0; | |
2180 | symbolP = symbol_find_or_make (name); | |
2181 | *p = c; | |
2182 | ||
2183 | if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP)) | |
2184 | { | |
d6ed37ed | 2185 | as_bad (_("ignoring attempt to re-define symbol `%s'."), |
252b5132 RH |
2186 | S_GET_NAME (symbolP)); |
2187 | ignore_rest_of_line (); | |
2188 | return; | |
2189 | } | |
2190 | ||
2191 | if (S_GET_VALUE (symbolP) && S_GET_VALUE (symbolP) != (valueT) size) | |
2192 | { | |
d6ed37ed | 2193 | as_bad (_("length of .lcomm \"%s\" is already %ld. Not changed to %ld."), |
252b5132 RH |
2194 | S_GET_NAME (symbolP), |
2195 | (long) S_GET_VALUE (symbolP), | |
2196 | (long) size); | |
2197 | ||
2198 | ignore_rest_of_line (); | |
2199 | return; | |
2200 | } | |
2201 | ||
99a814a1 | 2202 | /* Allocate_bss. */ |
252b5132 RH |
2203 | old_sec = now_seg; |
2204 | old_subsec = now_subseg; | |
2205 | if (align) | |
2206 | { | |
99a814a1 | 2207 | /* Convert to a power of 2 alignment. */ |
252b5132 RH |
2208 | for (align2 = 0; (align & 1) == 0; align >>= 1, ++align2); |
2209 | if (align != 1) | |
2210 | { | |
d6ed37ed | 2211 | as_bad (_("common alignment not a power of 2")); |
252b5132 RH |
2212 | ignore_rest_of_line (); |
2213 | return; | |
2214 | } | |
2215 | } | |
2216 | else | |
2217 | align2 = 0; | |
2218 | ||
2219 | record_alignment (bss_section, align2); | |
cbe02d4f | 2220 | subseg_set (bss_section, 1); |
252b5132 RH |
2221 | if (align2) |
2222 | frag_align (align2, 0, 0); | |
2223 | if (S_GET_SEGMENT (symbolP) == bss_section) | |
49309057 ILT |
2224 | symbol_get_frag (symbolP)->fr_symbol = 0; |
2225 | symbol_set_frag (symbolP, frag_now); | |
252b5132 RH |
2226 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, size, |
2227 | (char *) 0); | |
2228 | *pfrag = 0; | |
2229 | S_SET_SIZE (symbolP, size); | |
2230 | S_SET_SEGMENT (symbolP, bss_section); | |
2231 | subseg_set (old_sec, old_subsec); | |
2232 | demand_empty_rest_of_line (); | |
2233 | } | |
2234 | ||
6911b7dc AM |
2235 | /* Pseudo op to set symbol local entry point. */ |
2236 | static void | |
2237 | ppc_elf_localentry (int ignore ATTRIBUTE_UNUSED) | |
2238 | { | |
d02603dc NC |
2239 | char *name; |
2240 | char c = get_symbol_name (&name); | |
6911b7dc AM |
2241 | char *p; |
2242 | expressionS exp; | |
2243 | symbolS *sym; | |
2244 | asymbol *bfdsym; | |
2245 | elf_symbol_type *elfsym; | |
2246 | ||
2247 | p = input_line_pointer; | |
2248 | *p = c; | |
d02603dc | 2249 | SKIP_WHITESPACE_AFTER_NAME (); |
6911b7dc AM |
2250 | if (*input_line_pointer != ',') |
2251 | { | |
2252 | *p = 0; | |
2253 | as_bad (_("expected comma after name `%s' in .localentry directive"), | |
2254 | name); | |
2255 | *p = c; | |
2256 | ignore_rest_of_line (); | |
2257 | return; | |
2258 | } | |
2259 | input_line_pointer++; | |
2260 | expression (&exp); | |
2261 | if (exp.X_op == O_absent) | |
2262 | { | |
2263 | as_bad (_("missing expression in .localentry directive")); | |
2264 | exp.X_op = O_constant; | |
2265 | exp.X_add_number = 0; | |
2266 | } | |
2267 | *p = 0; | |
2268 | sym = symbol_find_or_make (name); | |
2269 | *p = c; | |
2270 | ||
2271 | if (resolve_expression (&exp) | |
2272 | && exp.X_op == O_constant) | |
2273 | { | |
2274 | unsigned char encoded = PPC64_SET_LOCAL_ENTRY_OFFSET (exp.X_add_number); | |
2275 | ||
e2b5892e | 2276 | if (exp.X_add_number != (offsetT) PPC64_LOCAL_ENTRY_OFFSET (encoded)) |
6911b7dc AM |
2277 | as_bad (_(".localentry expression for `%s' " |
2278 | "is not a valid power of 2"), S_GET_NAME (sym)); | |
2279 | else | |
2280 | { | |
2281 | bfdsym = symbol_get_bfdsym (sym); | |
2282 | elfsym = elf_symbol_from (bfd_asymbol_bfd (bfdsym), bfdsym); | |
2283 | gas_assert (elfsym); | |
2284 | elfsym->internal_elf_sym.st_other &= ~STO_PPC64_LOCAL_MASK; | |
2285 | elfsym->internal_elf_sym.st_other |= encoded; | |
2286 | if (ppc_abiversion == 0) | |
2287 | ppc_abiversion = 2; | |
2288 | } | |
2289 | } | |
2290 | else | |
2291 | as_bad (_(".localentry expression for `%s' " | |
2292 | "does not evaluate to a constant"), S_GET_NAME (sym)); | |
2293 | ||
2294 | demand_empty_rest_of_line (); | |
2295 | } | |
2296 | ||
ee67d69a AM |
2297 | /* Pseudo op to set ABI version. */ |
2298 | static void | |
2299 | ppc_elf_abiversion (int ignore ATTRIBUTE_UNUSED) | |
2300 | { | |
2301 | expressionS exp; | |
2302 | ||
2303 | expression (&exp); | |
2304 | if (exp.X_op == O_absent) | |
2305 | { | |
2306 | as_bad (_("missing expression in .abiversion directive")); | |
2307 | exp.X_op = O_constant; | |
2308 | exp.X_add_number = 0; | |
2309 | } | |
2310 | ||
2311 | if (resolve_expression (&exp) | |
2312 | && exp.X_op == O_constant) | |
2313 | ppc_abiversion = exp.X_add_number; | |
2314 | else | |
2315 | as_bad (_(".abiversion expression does not evaluate to a constant")); | |
2316 | demand_empty_rest_of_line (); | |
2317 | } | |
2318 | ||
005d79fd AM |
2319 | /* Parse a .gnu_attribute directive. */ |
2320 | static void | |
2321 | ppc_elf_gnu_attribute (int ignored ATTRIBUTE_UNUSED) | |
2322 | { | |
2323 | int tag = obj_elf_vendor_attribute (OBJ_ATTR_GNU); | |
2324 | ||
2325 | /* Check validity of defined powerpc tags. */ | |
2326 | if (tag == Tag_GNU_Power_ABI_FP | |
2327 | || tag == Tag_GNU_Power_ABI_Vector | |
2328 | || tag == Tag_GNU_Power_ABI_Struct_Return) | |
2329 | { | |
2330 | unsigned int val; | |
2331 | ||
2332 | val = bfd_elf_get_obj_attr_int (stdoutput, OBJ_ATTR_GNU, tag); | |
2333 | ||
2334 | if ((tag == Tag_GNU_Power_ABI_FP && val > 15) | |
2335 | || (tag == Tag_GNU_Power_ABI_Vector && val > 3) | |
2336 | || (tag == Tag_GNU_Power_ABI_Struct_Return && val > 2)) | |
2337 | as_warn (_("unknown .gnu_attribute value")); | |
2338 | } | |
2339 | } | |
2340 | ||
ee67d69a AM |
2341 | /* Set ABI version in output file. */ |
2342 | void | |
2343 | ppc_elf_end (void) | |
2344 | { | |
2345 | if (ppc_obj64 && ppc_abiversion != 0) | |
2346 | { | |
2347 | elf_elfheader (stdoutput)->e_flags &= ~EF_PPC64_ABI; | |
2348 | elf_elfheader (stdoutput)->e_flags |= ppc_abiversion & EF_PPC64_ABI; | |
2349 | } | |
2350 | } | |
2351 | ||
252b5132 RH |
2352 | /* Validate any relocations emitted for -mrelocatable, possibly adding |
2353 | fixups for word relocations in writable segments, so we can adjust | |
2354 | them at runtime. */ | |
2355 | static void | |
98027b10 | 2356 | ppc_elf_validate_fix (fixS *fixp, segT seg) |
252b5132 RH |
2357 | { |
2358 | if (fixp->fx_done || fixp->fx_pcrel) | |
2359 | return; | |
2360 | ||
2361 | switch (shlib) | |
2362 | { | |
2363 | case SHLIB_NONE: | |
2364 | case SHLIB_PIC: | |
2365 | return; | |
2366 | ||
5d6f4f16 | 2367 | case SHLIB_MRELOCATABLE: |
62ebcb5c | 2368 | if (fixp->fx_r_type != BFD_RELOC_16_GOTOFF |
252b5132 RH |
2369 | && fixp->fx_r_type != BFD_RELOC_HI16_GOTOFF |
2370 | && fixp->fx_r_type != BFD_RELOC_LO16_GOTOFF | |
2371 | && fixp->fx_r_type != BFD_RELOC_HI16_S_GOTOFF | |
1cfc59d5 | 2372 | && fixp->fx_r_type != BFD_RELOC_16_BASEREL |
252b5132 RH |
2373 | && fixp->fx_r_type != BFD_RELOC_LO16_BASEREL |
2374 | && fixp->fx_r_type != BFD_RELOC_HI16_BASEREL | |
2375 | && fixp->fx_r_type != BFD_RELOC_HI16_S_BASEREL | |
e138127a | 2376 | && (seg->flags & SEC_LOAD) != 0 |
252b5132 RH |
2377 | && strcmp (segment_name (seg), ".got2") != 0 |
2378 | && strcmp (segment_name (seg), ".dtors") != 0 | |
2379 | && strcmp (segment_name (seg), ".ctors") != 0 | |
2380 | && strcmp (segment_name (seg), ".fixup") != 0 | |
252b5132 RH |
2381 | && strcmp (segment_name (seg), ".gcc_except_table") != 0 |
2382 | && strcmp (segment_name (seg), ".eh_frame") != 0 | |
2383 | && strcmp (segment_name (seg), ".ex_shared") != 0) | |
2384 | { | |
2385 | if ((seg->flags & (SEC_READONLY | SEC_CODE)) != 0 | |
2386 | || fixp->fx_r_type != BFD_RELOC_CTOR) | |
2387 | { | |
2388 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
d6ed37ed | 2389 | _("relocation cannot be done when using -mrelocatable")); |
252b5132 RH |
2390 | } |
2391 | } | |
2392 | return; | |
2393 | } | |
2394 | } | |
0baf16f2 | 2395 | |
7e8d4ab4 AM |
2396 | /* Prevent elf_frob_file_before_adjust removing a weak undefined |
2397 | function descriptor sym if the corresponding code sym is used. */ | |
2398 | ||
2399 | void | |
98027b10 | 2400 | ppc_frob_file_before_adjust (void) |
0baf16f2 | 2401 | { |
7e8d4ab4 | 2402 | symbolS *symp; |
9232bbb0 | 2403 | asection *toc; |
0baf16f2 | 2404 | |
7e8d4ab4 AM |
2405 | if (!ppc_obj64) |
2406 | return; | |
2407 | ||
2408 | for (symp = symbol_rootP; symp; symp = symbol_next (symp)) | |
0baf16f2 | 2409 | { |
7e8d4ab4 AM |
2410 | const char *name; |
2411 | char *dotname; | |
2412 | symbolS *dotsym; | |
7e8d4ab4 AM |
2413 | |
2414 | name = S_GET_NAME (symp); | |
2415 | if (name[0] == '.') | |
2416 | continue; | |
2417 | ||
2418 | if (! S_IS_WEAK (symp) | |
2419 | || S_IS_DEFINED (symp)) | |
2420 | continue; | |
2421 | ||
a44e2901 | 2422 | dotname = concat (".", name, (char *) NULL); |
461b725f | 2423 | dotsym = symbol_find_noref (dotname, 1); |
7e8d4ab4 AM |
2424 | free (dotname); |
2425 | if (dotsym != NULL && (symbol_used_p (dotsym) | |
2426 | || symbol_used_in_reloc_p (dotsym))) | |
670ec21d NC |
2427 | symbol_mark_used (symp); |
2428 | ||
0baf16f2 AM |
2429 | } |
2430 | ||
9232bbb0 AM |
2431 | toc = bfd_get_section_by_name (stdoutput, ".toc"); |
2432 | if (toc != NULL | |
01efc3af | 2433 | && toc_reloc_types != has_large_toc_reloc |
9232bbb0 AM |
2434 | && bfd_section_size (stdoutput, toc) > 0x10000) |
2435 | as_warn (_("TOC section size exceeds 64k")); | |
a38a07e0 AM |
2436 | } |
2437 | ||
2438 | /* .TOC. used in an opd entry as .TOC.@tocbase doesn't need to be | |
2439 | emitted. Other uses of .TOC. will cause the symbol to be marked | |
2440 | with BSF_KEEP in md_apply_fix. */ | |
9232bbb0 | 2441 | |
a38a07e0 AM |
2442 | void |
2443 | ppc_elf_adjust_symtab (void) | |
2444 | { | |
2445 | if (ppc_obj64) | |
2446 | { | |
2447 | symbolS *symp; | |
2448 | symp = symbol_find (".TOC."); | |
2449 | if (symp != NULL) | |
2450 | { | |
2451 | asymbol *bsym = symbol_get_bfdsym (symp); | |
2452 | if ((bsym->flags & BSF_KEEP) == 0) | |
2453 | symbol_remove (symp, &symbol_rootP, &symbol_lastP); | |
a38a07e0 AM |
2454 | } |
2455 | } | |
0baf16f2 | 2456 | } |
252b5132 RH |
2457 | #endif /* OBJ_ELF */ |
2458 | \f | |
2459 | #ifdef TE_PE | |
2460 | ||
2461 | /* | |
99a814a1 | 2462 | * Summary of parse_toc_entry. |
252b5132 RH |
2463 | * |
2464 | * in: Input_line_pointer points to the '[' in one of: | |
2465 | * | |
2466 | * [toc] [tocv] [toc32] [toc64] | |
2467 | * | |
2468 | * Anything else is an error of one kind or another. | |
2469 | * | |
81d4177b | 2470 | * out: |
252b5132 RH |
2471 | * return value: success or failure |
2472 | * toc_kind: kind of toc reference | |
2473 | * input_line_pointer: | |
2474 | * success: first char after the ']' | |
2475 | * failure: unchanged | |
2476 | * | |
2477 | * settings: | |
2478 | * | |
2479 | * [toc] - rv == success, toc_kind = default_toc | |
2480 | * [tocv] - rv == success, toc_kind = data_in_toc | |
2481 | * [toc32] - rv == success, toc_kind = must_be_32 | |
2482 | * [toc64] - rv == success, toc_kind = must_be_64 | |
2483 | * | |
2484 | */ | |
2485 | ||
81d4177b KH |
2486 | enum toc_size_qualifier |
2487 | { | |
252b5132 RH |
2488 | default_toc, /* The toc cell constructed should be the system default size */ |
2489 | data_in_toc, /* This is a direct reference to a toc cell */ | |
2490 | must_be_32, /* The toc cell constructed must be 32 bits wide */ | |
2491 | must_be_64 /* The toc cell constructed must be 64 bits wide */ | |
2492 | }; | |
2493 | ||
2494 | static int | |
98027b10 | 2495 | parse_toc_entry (enum toc_size_qualifier *toc_kind) |
252b5132 RH |
2496 | { |
2497 | char *start; | |
2498 | char *toc_spec; | |
2499 | char c; | |
2500 | enum toc_size_qualifier t; | |
2501 | ||
99a814a1 | 2502 | /* Save the input_line_pointer. */ |
252b5132 RH |
2503 | start = input_line_pointer; |
2504 | ||
99a814a1 | 2505 | /* Skip over the '[' , and whitespace. */ |
252b5132 RH |
2506 | ++input_line_pointer; |
2507 | SKIP_WHITESPACE (); | |
81d4177b | 2508 | |
99a814a1 | 2509 | /* Find the spelling of the operand. */ |
d02603dc | 2510 | c = get_symbol_name (&toc_spec); |
252b5132 | 2511 | |
99a814a1 | 2512 | if (strcmp (toc_spec, "toc") == 0) |
252b5132 RH |
2513 | { |
2514 | t = default_toc; | |
2515 | } | |
99a814a1 | 2516 | else if (strcmp (toc_spec, "tocv") == 0) |
252b5132 RH |
2517 | { |
2518 | t = data_in_toc; | |
2519 | } | |
99a814a1 | 2520 | else if (strcmp (toc_spec, "toc32") == 0) |
252b5132 RH |
2521 | { |
2522 | t = must_be_32; | |
2523 | } | |
99a814a1 | 2524 | else if (strcmp (toc_spec, "toc64") == 0) |
252b5132 RH |
2525 | { |
2526 | t = must_be_64; | |
2527 | } | |
2528 | else | |
2529 | { | |
2530 | as_bad (_("syntax error: invalid toc specifier `%s'"), toc_spec); | |
99a814a1 AM |
2531 | *input_line_pointer = c; |
2532 | input_line_pointer = start; | |
252b5132 RH |
2533 | return 0; |
2534 | } | |
2535 | ||
99a814a1 AM |
2536 | /* Now find the ']'. */ |
2537 | *input_line_pointer = c; | |
252b5132 | 2538 | |
d02603dc | 2539 | SKIP_WHITESPACE_AFTER_NAME (); /* leading whitespace could be there. */ |
81d4177b | 2540 | c = *input_line_pointer++; /* input_line_pointer->past char in c. */ |
252b5132 RH |
2541 | |
2542 | if (c != ']') | |
2543 | { | |
2544 | as_bad (_("syntax error: expected `]', found `%c'"), c); | |
99a814a1 | 2545 | input_line_pointer = start; |
252b5132 RH |
2546 | return 0; |
2547 | } | |
2548 | ||
99a814a1 | 2549 | *toc_kind = t; |
252b5132 RH |
2550 | return 1; |
2551 | } | |
2552 | #endif | |
3b8b57a9 | 2553 | |
3e60bf4d | 2554 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
3b8b57a9 AM |
2555 | /* See whether a symbol is in the TOC section. */ |
2556 | ||
2557 | static int | |
2558 | ppc_is_toc_sym (symbolS *sym) | |
2559 | { | |
3e60bf4d | 2560 | #ifdef OBJ_XCOFF |
9f6e76f4 TG |
2561 | return (symbol_get_tc (sym)->symbol_class == XMC_TC |
2562 | || symbol_get_tc (sym)->symbol_class == XMC_TC0); | |
f50c47f1 | 2563 | #endif |
3e60bf4d AM |
2564 | #ifdef OBJ_ELF |
2565 | const char *sname = segment_name (S_GET_SEGMENT (sym)); | |
2566 | if (ppc_obj64) | |
2567 | return strcmp (sname, ".toc") == 0; | |
2568 | else | |
2569 | return strcmp (sname, ".got") == 0; | |
2570 | #endif | |
2571 | } | |
2572 | #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */ | |
252b5132 RH |
2573 | \f |
2574 | ||
dc1d03fc | 2575 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
2576 | #define APUID(a,v) ((((a) & 0xffff) << 16) | ((v) & 0xffff)) |
2577 | static void | |
98027b10 | 2578 | ppc_apuinfo_section_add (unsigned int apu, unsigned int version) |
6a0c61b7 EZ |
2579 | { |
2580 | unsigned int i; | |
2581 | ||
2582 | /* Check we don't already exist. */ | |
2583 | for (i = 0; i < ppc_apuinfo_num; i++) | |
dc1d03fc | 2584 | if (ppc_apuinfo_list[i] == APUID (apu, version)) |
6a0c61b7 | 2585 | return; |
b34976b6 | 2586 | |
6a0c61b7 EZ |
2587 | if (ppc_apuinfo_num == ppc_apuinfo_num_alloc) |
2588 | { | |
2589 | if (ppc_apuinfo_num_alloc == 0) | |
2590 | { | |
2591 | ppc_apuinfo_num_alloc = 4; | |
325801bd | 2592 | ppc_apuinfo_list = XNEWVEC (unsigned long, ppc_apuinfo_num_alloc); |
6a0c61b7 EZ |
2593 | } |
2594 | else | |
2595 | { | |
2596 | ppc_apuinfo_num_alloc += 4; | |
325801bd TS |
2597 | ppc_apuinfo_list = XRESIZEVEC (unsigned long, ppc_apuinfo_list, |
2598 | ppc_apuinfo_num_alloc); | |
6a0c61b7 EZ |
2599 | } |
2600 | } | |
dc1d03fc | 2601 | ppc_apuinfo_list[ppc_apuinfo_num++] = APUID (apu, version); |
6a0c61b7 EZ |
2602 | } |
2603 | #undef APUID | |
dc1d03fc | 2604 | #endif |
6a0c61b7 EZ |
2605 | \f |
2606 | ||
252b5132 RH |
2607 | /* We need to keep a list of fixups. We can't simply generate them as |
2608 | we go, because that would require us to first create the frag, and | |
2609 | that would screw up references to ``.''. */ | |
2610 | ||
2611 | struct ppc_fixup | |
2612 | { | |
2613 | expressionS exp; | |
2614 | int opindex; | |
2615 | bfd_reloc_code_real_type reloc; | |
2616 | }; | |
2617 | ||
2618 | #define MAX_INSN_FIXUPS (5) | |
2619 | ||
2620 | /* This routine is called for each instruction to be assembled. */ | |
2621 | ||
2622 | void | |
98027b10 | 2623 | md_assemble (char *str) |
252b5132 RH |
2624 | { |
2625 | char *s; | |
2626 | const struct powerpc_opcode *opcode; | |
2627 | unsigned long insn; | |
2628 | const unsigned char *opindex_ptr; | |
2629 | int skip_optional; | |
2630 | int need_paren; | |
2631 | int next_opindex; | |
2632 | struct ppc_fixup fixups[MAX_INSN_FIXUPS]; | |
2633 | int fc; | |
2634 | char *f; | |
09b935ac | 2635 | int addr_mod; |
252b5132 | 2636 | int i; |
b9c361e0 | 2637 | unsigned int insn_length; |
252b5132 RH |
2638 | |
2639 | /* Get the opcode. */ | |
3882b010 | 2640 | for (s = str; *s != '\0' && ! ISSPACE (*s); s++) |
252b5132 RH |
2641 | ; |
2642 | if (*s != '\0') | |
2643 | *s++ = '\0'; | |
2644 | ||
2645 | /* Look up the opcode in the hash table. */ | |
2646 | opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, str); | |
2647 | if (opcode == (const struct powerpc_opcode *) NULL) | |
2648 | { | |
2649 | const struct powerpc_macro *macro; | |
2650 | ||
2651 | macro = (const struct powerpc_macro *) hash_find (ppc_macro_hash, str); | |
2652 | if (macro == (const struct powerpc_macro *) NULL) | |
d6ed37ed | 2653 | as_bad (_("unrecognized opcode: `%s'"), str); |
252b5132 RH |
2654 | else |
2655 | ppc_macro (s, macro); | |
2656 | ||
2657 | return; | |
2658 | } | |
2659 | ||
2660 | insn = opcode->opcode; | |
2661 | ||
2662 | str = s; | |
3882b010 | 2663 | while (ISSPACE (*str)) |
252b5132 RH |
2664 | ++str; |
2665 | ||
2666 | /* PowerPC operands are just expressions. The only real issue is | |
2667 | that a few operand types are optional. All cases which might use | |
1f6c9eb0 ZW |
2668 | an optional operand separate the operands only with commas (in some |
2669 | cases parentheses are used, as in ``lwz 1,0(1)'' but such cases never | |
2670 | have optional operands). Most instructions with optional operands | |
2671 | have only one. Those that have more than one optional operand can | |
2672 | take either all their operands or none. So, before we start seriously | |
2673 | parsing the operands, we check to see if we have optional operands, | |
2674 | and if we do, we count the number of commas to see which operands | |
2675 | have been omitted. */ | |
252b5132 RH |
2676 | skip_optional = 0; |
2677 | for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++) | |
2678 | { | |
2679 | const struct powerpc_operand *operand; | |
2680 | ||
2681 | operand = &powerpc_operands[*opindex_ptr]; | |
a5721ba2 AM |
2682 | if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0 |
2683 | && !((operand->flags & PPC_OPERAND_OPTIONAL32) != 0 && ppc_obj64)) | |
252b5132 RH |
2684 | { |
2685 | unsigned int opcount; | |
7fe9cf6b | 2686 | unsigned int num_operands_expected; |
252b5132 RH |
2687 | |
2688 | /* There is an optional operand. Count the number of | |
2689 | commas in the input line. */ | |
2690 | if (*str == '\0') | |
2691 | opcount = 0; | |
2692 | else | |
2693 | { | |
2694 | opcount = 1; | |
2695 | s = str; | |
2696 | while ((s = strchr (s, ',')) != (char *) NULL) | |
2697 | { | |
2698 | ++opcount; | |
2699 | ++s; | |
2700 | } | |
2701 | } | |
2702 | ||
7fe9cf6b NC |
2703 | /* Compute the number of expected operands. |
2704 | Do not count fake operands. */ | |
2705 | for (num_operands_expected = 0, i = 0; opcode->operands[i]; i ++) | |
2706 | if ((powerpc_operands [opcode->operands[i]].flags & PPC_OPERAND_FAKE) == 0) | |
2707 | ++ num_operands_expected; | |
2708 | ||
252b5132 RH |
2709 | /* If there are fewer operands in the line then are called |
2710 | for by the instruction, we want to skip the optional | |
1f6c9eb0 | 2711 | operands. */ |
7fe9cf6b | 2712 | if (opcount < num_operands_expected) |
252b5132 RH |
2713 | skip_optional = 1; |
2714 | ||
2715 | break; | |
2716 | } | |
2717 | } | |
2718 | ||
2719 | /* Gather the operands. */ | |
2720 | need_paren = 0; | |
2721 | next_opindex = 0; | |
2722 | fc = 0; | |
2723 | for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++) | |
2724 | { | |
2725 | const struct powerpc_operand *operand; | |
2726 | const char *errmsg; | |
2727 | char *hold; | |
2728 | expressionS ex; | |
2729 | char endc; | |
2730 | ||
2731 | if (next_opindex == 0) | |
2732 | operand = &powerpc_operands[*opindex_ptr]; | |
2733 | else | |
2734 | { | |
2735 | operand = &powerpc_operands[next_opindex]; | |
2736 | next_opindex = 0; | |
2737 | } | |
252b5132 RH |
2738 | errmsg = NULL; |
2739 | ||
2740 | /* If this is a fake operand, then we do not expect anything | |
2741 | from the input. */ | |
2742 | if ((operand->flags & PPC_OPERAND_FAKE) != 0) | |
2743 | { | |
2b3c4602 | 2744 | insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg); |
252b5132 | 2745 | if (errmsg != (const char *) NULL) |
ee2c9aa9 | 2746 | as_bad ("%s", errmsg); |
252b5132 RH |
2747 | continue; |
2748 | } | |
2749 | ||
2750 | /* If this is an optional operand, and we are skipping it, just | |
2751 | insert a zero. */ | |
2752 | if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0 | |
a5721ba2 | 2753 | && !((operand->flags & PPC_OPERAND_OPTIONAL32) != 0 && ppc_obj64) |
252b5132 RH |
2754 | && skip_optional) |
2755 | { | |
11a0cf2e | 2756 | long val = ppc_optional_operand_value (operand); |
252b5132 RH |
2757 | if (operand->insert) |
2758 | { | |
11a0cf2e | 2759 | insn = (*operand->insert) (insn, val, ppc_cpu, &errmsg); |
252b5132 | 2760 | if (errmsg != (const char *) NULL) |
ee2c9aa9 | 2761 | as_bad ("%s", errmsg); |
252b5132 | 2762 | } |
11a0cf2e PB |
2763 | else if (operand->shift >= 0) |
2764 | insn |= ((long) val & operand->bitm) << operand->shift; | |
2765 | else | |
2766 | insn |= ((long) val & operand->bitm) >> -operand->shift; | |
2767 | ||
252b5132 RH |
2768 | if ((operand->flags & PPC_OPERAND_NEXT) != 0) |
2769 | next_opindex = *opindex_ptr + 1; | |
2770 | continue; | |
2771 | } | |
2772 | ||
2773 | /* Gather the operand. */ | |
2774 | hold = input_line_pointer; | |
2775 | input_line_pointer = str; | |
2776 | ||
2777 | #ifdef TE_PE | |
81d4177b | 2778 | if (*input_line_pointer == '[') |
252b5132 RH |
2779 | { |
2780 | /* We are expecting something like the second argument here: | |
99a814a1 AM |
2781 | * |
2782 | * lwz r4,[toc].GS.0.static_int(rtoc) | |
2783 | * ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |
2784 | * The argument following the `]' must be a symbol name, and the | |
2785 | * register must be the toc register: 'rtoc' or '2' | |
2786 | * | |
2787 | * The effect is to 0 as the displacement field | |
2788 | * in the instruction, and issue an IMAGE_REL_PPC_TOCREL16 (or | |
2789 | * the appropriate variation) reloc against it based on the symbol. | |
2790 | * The linker will build the toc, and insert the resolved toc offset. | |
2791 | * | |
2792 | * Note: | |
2793 | * o The size of the toc entry is currently assumed to be | |
2794 | * 32 bits. This should not be assumed to be a hard coded | |
2795 | * number. | |
2796 | * o In an effort to cope with a change from 32 to 64 bits, | |
2797 | * there are also toc entries that are specified to be | |
2798 | * either 32 or 64 bits: | |
2799 | * lwz r4,[toc32].GS.0.static_int(rtoc) | |
2800 | * lwz r4,[toc64].GS.0.static_int(rtoc) | |
2801 | * These demand toc entries of the specified size, and the | |
2802 | * instruction probably requires it. | |
2803 | */ | |
252b5132 RH |
2804 | |
2805 | int valid_toc; | |
2806 | enum toc_size_qualifier toc_kind; | |
2807 | bfd_reloc_code_real_type toc_reloc; | |
2808 | ||
99a814a1 AM |
2809 | /* Go parse off the [tocXX] part. */ |
2810 | valid_toc = parse_toc_entry (&toc_kind); | |
252b5132 | 2811 | |
81d4177b | 2812 | if (!valid_toc) |
252b5132 | 2813 | { |
a5840dce AM |
2814 | ignore_rest_of_line (); |
2815 | break; | |
252b5132 RH |
2816 | } |
2817 | ||
99a814a1 AM |
2818 | /* Now get the symbol following the ']'. */ |
2819 | expression (&ex); | |
252b5132 RH |
2820 | |
2821 | switch (toc_kind) | |
2822 | { | |
2823 | case default_toc: | |
99a814a1 AM |
2824 | /* In this case, we may not have seen the symbol yet, |
2825 | since it is allowed to appear on a .extern or .globl | |
2826 | or just be a label in the .data section. */ | |
252b5132 RH |
2827 | toc_reloc = BFD_RELOC_PPC_TOC16; |
2828 | break; | |
2829 | case data_in_toc: | |
99a814a1 AM |
2830 | /* 1. The symbol must be defined and either in the toc |
2831 | section, or a global. | |
2832 | 2. The reloc generated must have the TOCDEFN flag set | |
2833 | in upper bit mess of the reloc type. | |
2834 | FIXME: It's a little confusing what the tocv | |
2835 | qualifier can be used for. At the very least, I've | |
2836 | seen three uses, only one of which I'm sure I can | |
2837 | explain. */ | |
81d4177b KH |
2838 | if (ex.X_op == O_symbol) |
2839 | { | |
9c2799c2 | 2840 | gas_assert (ex.X_add_symbol != NULL); |
fed9b18a ILT |
2841 | if (symbol_get_bfdsym (ex.X_add_symbol)->section |
2842 | != tocdata_section) | |
252b5132 | 2843 | { |
99a814a1 | 2844 | as_bad (_("[tocv] symbol is not a toc symbol")); |
252b5132 RH |
2845 | } |
2846 | } | |
2847 | ||
2848 | toc_reloc = BFD_RELOC_PPC_TOC16; | |
2849 | break; | |
2850 | case must_be_32: | |
99a814a1 AM |
2851 | /* FIXME: these next two specifically specify 32/64 bit |
2852 | toc entries. We don't support them today. Is this | |
2853 | the right way to say that? */ | |
62ebcb5c | 2854 | toc_reloc = BFD_RELOC_NONE; |
d6ed37ed | 2855 | as_bad (_("unimplemented toc32 expression modifier")); |
252b5132 RH |
2856 | break; |
2857 | case must_be_64: | |
99a814a1 | 2858 | /* FIXME: see above. */ |
62ebcb5c | 2859 | toc_reloc = BFD_RELOC_NONE; |
d6ed37ed | 2860 | as_bad (_("unimplemented toc64 expression modifier")); |
252b5132 RH |
2861 | break; |
2862 | default: | |
bc805888 | 2863 | fprintf (stderr, |
99a814a1 AM |
2864 | _("Unexpected return value [%d] from parse_toc_entry!\n"), |
2865 | toc_kind); | |
bc805888 | 2866 | abort (); |
252b5132 RH |
2867 | break; |
2868 | } | |
2869 | ||
2870 | /* We need to generate a fixup for this expression. */ | |
2871 | if (fc >= MAX_INSN_FIXUPS) | |
2872 | as_fatal (_("too many fixups")); | |
2873 | ||
2874 | fixups[fc].reloc = toc_reloc; | |
2875 | fixups[fc].exp = ex; | |
2876 | fixups[fc].opindex = *opindex_ptr; | |
2877 | ++fc; | |
2878 | ||
99a814a1 AM |
2879 | /* Ok. We've set up the fixup for the instruction. Now make it |
2880 | look like the constant 0 was found here. */ | |
252b5132 RH |
2881 | ex.X_unsigned = 1; |
2882 | ex.X_op = O_constant; | |
2883 | ex.X_add_number = 0; | |
2884 | ex.X_add_symbol = NULL; | |
2885 | ex.X_op_symbol = NULL; | |
2886 | } | |
2887 | ||
2888 | else | |
2889 | #endif /* TE_PE */ | |
2890 | { | |
b9c361e0 JL |
2891 | if ((reg_names_p |
2892 | && (((operand->flags & PPC_OPERAND_CR_BIT) != 0) | |
2893 | || ((operand->flags & PPC_OPERAND_CR_REG) != 0))) | |
2ad068be | 2894 | || !register_name (&ex)) |
252b5132 | 2895 | { |
13abbae3 AM |
2896 | char save_lex = lex_type['%']; |
2897 | ||
b9c361e0 JL |
2898 | if (((operand->flags & PPC_OPERAND_CR_REG) != 0) |
2899 | || (operand->flags & PPC_OPERAND_CR_BIT) != 0) | |
13abbae3 AM |
2900 | { |
2901 | cr_operand = TRUE; | |
2902 | lex_type['%'] |= LEX_BEGIN_NAME; | |
2903 | } | |
252b5132 | 2904 | expression (&ex); |
b34976b6 | 2905 | cr_operand = FALSE; |
13abbae3 | 2906 | lex_type['%'] = save_lex; |
252b5132 RH |
2907 | } |
2908 | } | |
2909 | ||
2910 | str = input_line_pointer; | |
2911 | input_line_pointer = hold; | |
2912 | ||
2913 | if (ex.X_op == O_illegal) | |
2914 | as_bad (_("illegal operand")); | |
2915 | else if (ex.X_op == O_absent) | |
2916 | as_bad (_("missing operand")); | |
2917 | else if (ex.X_op == O_register) | |
2918 | { | |
2919 | insn = ppc_insert_operand (insn, operand, ex.X_add_number, | |
783de163 | 2920 | ppc_cpu, (char *) NULL, 0); |
252b5132 RH |
2921 | } |
2922 | else if (ex.X_op == O_constant) | |
2923 | { | |
2924 | #ifdef OBJ_ELF | |
81d4177b | 2925 | /* Allow @HA, @L, @H on constants. */ |
3b8b57a9 | 2926 | bfd_reloc_code_real_type reloc; |
252b5132 RH |
2927 | char *orig_str = str; |
2928 | ||
62ebcb5c | 2929 | if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_NONE) |
252b5132 RH |
2930 | switch (reloc) |
2931 | { | |
2932 | default: | |
2933 | str = orig_str; | |
2934 | break; | |
2935 | ||
2936 | case BFD_RELOC_LO16: | |
f9c6b907 AM |
2937 | ex.X_add_number &= 0xffff; |
2938 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
0baf16f2 | 2939 | ex.X_add_number = SEX16 (ex.X_add_number); |
252b5132 RH |
2940 | break; |
2941 | ||
2942 | case BFD_RELOC_HI16: | |
f9c6b907 AM |
2943 | if (REPORT_OVERFLOW_HI && ppc_obj64) |
2944 | { | |
2945 | /* PowerPC64 @h is tested for overflow. */ | |
2946 | ex.X_add_number = (addressT) ex.X_add_number >> 16; | |
2947 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
2948 | { | |
2949 | addressT sign = (((addressT) -1 >> 16) + 1) >> 1; | |
2950 | ex.X_add_number | |
2951 | = ((addressT) ex.X_add_number ^ sign) - sign; | |
2952 | } | |
2953 | break; | |
2954 | } | |
2b0f3761 | 2955 | /* Fallthru */ |
f9c6b907 AM |
2956 | |
2957 | case BFD_RELOC_PPC64_ADDR16_HIGH: | |
2958 | ex.X_add_number = PPC_HI (ex.X_add_number); | |
2959 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
2960 | ex.X_add_number = SEX16 (ex.X_add_number); | |
252b5132 RH |
2961 | break; |
2962 | ||
2963 | case BFD_RELOC_HI16_S: | |
f9c6b907 AM |
2964 | if (REPORT_OVERFLOW_HI && ppc_obj64) |
2965 | { | |
2966 | /* PowerPC64 @ha is tested for overflow. */ | |
2967 | ex.X_add_number | |
2968 | = ((addressT) ex.X_add_number + 0x8000) >> 16; | |
2969 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
2970 | { | |
2971 | addressT sign = (((addressT) -1 >> 16) + 1) >> 1; | |
2972 | ex.X_add_number | |
2973 | = ((addressT) ex.X_add_number ^ sign) - sign; | |
2974 | } | |
2975 | break; | |
2976 | } | |
2b0f3761 | 2977 | /* Fallthru */ |
f9c6b907 AM |
2978 | |
2979 | case BFD_RELOC_PPC64_ADDR16_HIGHA: | |
2980 | ex.X_add_number = PPC_HA (ex.X_add_number); | |
2981 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
2982 | ex.X_add_number = SEX16 (ex.X_add_number); | |
0baf16f2 AM |
2983 | break; |
2984 | ||
0baf16f2 | 2985 | case BFD_RELOC_PPC64_HIGHER: |
f9c6b907 AM |
2986 | ex.X_add_number = PPC_HIGHER (ex.X_add_number); |
2987 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
2988 | ex.X_add_number = SEX16 (ex.X_add_number); | |
0baf16f2 AM |
2989 | break; |
2990 | ||
2991 | case BFD_RELOC_PPC64_HIGHER_S: | |
f9c6b907 AM |
2992 | ex.X_add_number = PPC_HIGHERA (ex.X_add_number); |
2993 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
2994 | ex.X_add_number = SEX16 (ex.X_add_number); | |
252b5132 | 2995 | break; |
0baf16f2 AM |
2996 | |
2997 | case BFD_RELOC_PPC64_HIGHEST: | |
f9c6b907 AM |
2998 | ex.X_add_number = PPC_HIGHEST (ex.X_add_number); |
2999 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
3000 | ex.X_add_number = SEX16 (ex.X_add_number); | |
0baf16f2 AM |
3001 | break; |
3002 | ||
3003 | case BFD_RELOC_PPC64_HIGHEST_S: | |
f9c6b907 AM |
3004 | ex.X_add_number = PPC_HIGHESTA (ex.X_add_number); |
3005 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
3006 | ex.X_add_number = SEX16 (ex.X_add_number); | |
0baf16f2 | 3007 | break; |
252b5132 | 3008 | } |
0baf16f2 | 3009 | #endif /* OBJ_ELF */ |
252b5132 | 3010 | insn = ppc_insert_operand (insn, operand, ex.X_add_number, |
783de163 | 3011 | ppc_cpu, (char *) NULL, 0); |
252b5132 | 3012 | } |
727fc41e | 3013 | else |
252b5132 | 3014 | { |
62ebcb5c | 3015 | bfd_reloc_code_real_type reloc = BFD_RELOC_NONE; |
3b8b57a9 | 3016 | #ifdef OBJ_ELF |
727fc41e | 3017 | if (ex.X_op == O_symbol && str[0] == '(') |
cdba85ec | 3018 | { |
727fc41e AM |
3019 | const char *sym_name = S_GET_NAME (ex.X_add_symbol); |
3020 | if (sym_name[0] == '.') | |
3021 | ++sym_name; | |
cdba85ec | 3022 | |
727fc41e | 3023 | if (strcasecmp (sym_name, "__tls_get_addr") == 0) |
252b5132 | 3024 | { |
727fc41e AM |
3025 | expressionS tls_exp; |
3026 | ||
3027 | hold = input_line_pointer; | |
3028 | input_line_pointer = str + 1; | |
3029 | expression (&tls_exp); | |
3030 | if (tls_exp.X_op == O_symbol) | |
3031 | { | |
62ebcb5c | 3032 | reloc = BFD_RELOC_NONE; |
727fc41e AM |
3033 | if (strncasecmp (input_line_pointer, "@tlsgd)", 7) == 0) |
3034 | { | |
3035 | reloc = BFD_RELOC_PPC_TLSGD; | |
3036 | input_line_pointer += 7; | |
3037 | } | |
3038 | else if (strncasecmp (input_line_pointer, "@tlsld)", 7) == 0) | |
3039 | { | |
3040 | reloc = BFD_RELOC_PPC_TLSLD; | |
3041 | input_line_pointer += 7; | |
3042 | } | |
62ebcb5c | 3043 | if (reloc != BFD_RELOC_NONE) |
727fc41e AM |
3044 | { |
3045 | SKIP_WHITESPACE (); | |
3046 | str = input_line_pointer; | |
3047 | ||
3048 | if (fc >= MAX_INSN_FIXUPS) | |
3049 | as_fatal (_("too many fixups")); | |
3050 | fixups[fc].exp = tls_exp; | |
3051 | fixups[fc].opindex = *opindex_ptr; | |
3052 | fixups[fc].reloc = reloc; | |
3053 | ++fc; | |
3054 | } | |
3055 | } | |
3056 | input_line_pointer = hold; | |
252b5132 RH |
3057 | } |
3058 | } | |
3059 | ||
62ebcb5c | 3060 | if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_NONE) |
0baf16f2 | 3061 | { |
727fc41e | 3062 | /* Some TLS tweaks. */ |
0baf16f2 AM |
3063 | switch (reloc) |
3064 | { | |
727fc41e | 3065 | default: |
cdba85ec | 3066 | break; |
727fc41e AM |
3067 | |
3068 | case BFD_RELOC_PPC_TLS: | |
2d0f3896 AM |
3069 | if (!_bfd_elf_ppc_at_tls_transform (opcode->opcode, 0)) |
3070 | as_bad (_("@tls may not be used with \"%s\" operands"), | |
3071 | opcode->name); | |
3072 | else if (operand->shift != 11) | |
3073 | as_bad (_("@tls may only be used in last operand")); | |
3074 | else | |
3075 | insn = ppc_insert_operand (insn, operand, | |
3076 | ppc_obj64 ? 13 : 2, | |
3077 | ppc_cpu, (char *) NULL, 0); | |
cdba85ec | 3078 | break; |
727fc41e AM |
3079 | |
3080 | /* We'll only use the 32 (or 64) bit form of these relocations | |
3081 | in constants. Instructions get the 16 bit form. */ | |
3082 | case BFD_RELOC_PPC_DTPREL: | |
3083 | reloc = BFD_RELOC_PPC_DTPREL16; | |
cdba85ec | 3084 | break; |
727fc41e AM |
3085 | case BFD_RELOC_PPC_TPREL: |
3086 | reloc = BFD_RELOC_PPC_TPREL16; | |
0baf16f2 AM |
3087 | break; |
3088 | } | |
727fc41e | 3089 | |
a680de9a PB |
3090 | /* addpcis. */ |
3091 | if (opcode->opcode == (19 << 26) + (2 << 1) | |
3092 | && reloc == BFD_RELOC_HI16_S) | |
3093 | reloc = BFD_RELOC_PPC_REL16DX_HA; | |
3094 | ||
b9c361e0 JL |
3095 | /* If VLE-mode convert LO/HI/HA relocations. */ |
3096 | if (opcode->flags & PPC_OPCODE_VLE) | |
3097 | { | |
3098 | int tmp_insn = insn & opcode->mask; | |
3739860c | 3099 | |
08dc996f | 3100 | int use_a_reloc = (tmp_insn == E_OR2I_INSN |
b9c361e0 JL |
3101 | || tmp_insn == E_AND2I_DOT_INSN |
3102 | || tmp_insn == E_OR2IS_INSN | |
3103 | || tmp_insn == E_LIS_INSN | |
3104 | || tmp_insn == E_AND2IS_DOT_INSN); | |
3105 | ||
3106 | ||
08dc996f | 3107 | int use_d_reloc = (tmp_insn == E_ADD2I_DOT_INSN |
b9c361e0 JL |
3108 | || tmp_insn == E_ADD2IS_INSN |
3109 | || tmp_insn == E_CMP16I_INSN | |
3110 | || tmp_insn == E_MULL2I_INSN | |
3111 | || tmp_insn == E_CMPL16I_INSN | |
3112 | || tmp_insn == E_CMPH16I_INSN | |
3113 | || tmp_insn == E_CMPHL16I_INSN); | |
3114 | ||
3115 | switch (reloc) | |
3116 | { | |
3117 | default: | |
3118 | break; | |
3119 | ||
3120 | case BFD_RELOC_PPC_EMB_SDA21: | |
3121 | reloc = BFD_RELOC_PPC_VLE_SDA21; | |
3122 | break; | |
3123 | ||
3124 | case BFD_RELOC_LO16: | |
3125 | if (use_d_reloc) | |
3126 | reloc = BFD_RELOC_PPC_VLE_LO16D; | |
3127 | else if (use_a_reloc) | |
3128 | reloc = BFD_RELOC_PPC_VLE_LO16A; | |
3129 | break; | |
3130 | ||
3131 | case BFD_RELOC_HI16: | |
3132 | if (use_d_reloc) | |
3133 | reloc = BFD_RELOC_PPC_VLE_HI16D; | |
3134 | else if (use_a_reloc) | |
3135 | reloc = BFD_RELOC_PPC_VLE_HI16A; | |
3136 | break; | |
3739860c | 3137 | |
b9c361e0 JL |
3138 | case BFD_RELOC_HI16_S: |
3139 | if (use_d_reloc) | |
3140 | reloc = BFD_RELOC_PPC_VLE_HA16D; | |
3141 | else if (use_a_reloc) | |
3142 | reloc = BFD_RELOC_PPC_VLE_HA16A; | |
3143 | break; | |
3144 | ||
3145 | case BFD_RELOC_PPC_VLE_SDAREL_LO16A: | |
3146 | if (use_d_reloc) | |
3147 | reloc = BFD_RELOC_PPC_VLE_SDAREL_LO16D; | |
3148 | break; | |
3149 | ||
3150 | case BFD_RELOC_PPC_VLE_SDAREL_HI16A: | |
3151 | if (use_d_reloc) | |
3152 | reloc = BFD_RELOC_PPC_VLE_SDAREL_HI16D; | |
3153 | break; | |
3154 | ||
3155 | case BFD_RELOC_PPC_VLE_SDAREL_HA16A: | |
3156 | if (use_d_reloc) | |
3157 | reloc = BFD_RELOC_PPC_VLE_SDAREL_HA16D; | |
3158 | break; | |
3159 | } | |
3160 | } | |
0baf16f2 | 3161 | } |
3b8b57a9 AM |
3162 | #endif /* OBJ_ELF */ |
3163 | ||
62ebcb5c | 3164 | if (reloc != BFD_RELOC_NONE) |
3b8b57a9 AM |
3165 | ; |
3166 | /* Determine a BFD reloc value based on the operand information. | |
3167 | We are only prepared to turn a few of the operands into | |
3168 | relocs. */ | |
a0593ad9 AM |
3169 | else if ((operand->flags & (PPC_OPERAND_RELATIVE |
3170 | | PPC_OPERAND_ABSOLUTE)) != 0 | |
3b8b57a9 AM |
3171 | && operand->bitm == 0x3fffffc |
3172 | && operand->shift == 0) | |
3173 | reloc = BFD_RELOC_PPC_B26; | |
a0593ad9 AM |
3174 | else if ((operand->flags & (PPC_OPERAND_RELATIVE |
3175 | | PPC_OPERAND_ABSOLUTE)) != 0 | |
3b8b57a9 AM |
3176 | && operand->bitm == 0xfffc |
3177 | && operand->shift == 0) | |
3178 | reloc = BFD_RELOC_PPC_B16; | |
3179 | else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 | |
3180 | && operand->bitm == 0x1fe | |
3181 | && operand->shift == -1) | |
3182 | reloc = BFD_RELOC_PPC_VLE_REL8; | |
3183 | else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 | |
3184 | && operand->bitm == 0xfffe | |
3185 | && operand->shift == 0) | |
3186 | reloc = BFD_RELOC_PPC_VLE_REL15; | |
3187 | else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 | |
3188 | && operand->bitm == 0x1fffffe | |
3189 | && operand->shift == 0) | |
3190 | reloc = BFD_RELOC_PPC_VLE_REL24; | |
a0593ad9 | 3191 | else if ((operand->flags & PPC_OPERAND_NEGATIVE) == 0 |
3b8b57a9 AM |
3192 | && (operand->bitm & 0xfff0) == 0xfff0 |
3193 | && operand->shift == 0) | |
3194 | { | |
f50c47f1 | 3195 | reloc = BFD_RELOC_16; |
3e60bf4d | 3196 | #if defined OBJ_XCOFF || defined OBJ_ELF |
f50c47f1 | 3197 | /* Note: the symbol may be not yet defined. */ |
a0593ad9 AM |
3198 | if ((operand->flags & PPC_OPERAND_PARENS) != 0 |
3199 | && ppc_is_toc_sym (ex.X_add_symbol)) | |
3e60bf4d AM |
3200 | { |
3201 | reloc = BFD_RELOC_PPC_TOC16; | |
3202 | #ifdef OBJ_ELF | |
3203 | as_warn (_("assuming %s on symbol"), | |
3204 | ppc_obj64 ? "@toc" : "@xgot"); | |
3205 | #endif | |
3206 | } | |
3b8b57a9 | 3207 | #endif |
3b8b57a9 | 3208 | } |
a0593ad9 AM |
3209 | |
3210 | /* For the absolute forms of branches, convert the PC | |
3211 | relative form back into the absolute. */ | |
3212 | if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0) | |
3213 | { | |
3214 | switch (reloc) | |
3215 | { | |
3216 | case BFD_RELOC_PPC_B26: | |
3217 | reloc = BFD_RELOC_PPC_BA26; | |
3218 | break; | |
3219 | case BFD_RELOC_PPC_B16: | |
3220 | reloc = BFD_RELOC_PPC_BA16; | |
3221 | break; | |
3222 | #ifdef OBJ_ELF | |
3223 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
3224 | reloc = BFD_RELOC_PPC_BA16_BRTAKEN; | |
3225 | break; | |
3226 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
3227 | reloc = BFD_RELOC_PPC_BA16_BRNTAKEN; | |
3228 | break; | |
3229 | #endif | |
3230 | default: | |
3231 | break; | |
3232 | } | |
3233 | } | |
3234 | ||
3235 | #ifdef OBJ_ELF | |
3236 | switch (reloc) | |
3237 | { | |
3238 | case BFD_RELOC_PPC_TOC16: | |
3239 | toc_reloc_types |= has_small_toc_reloc; | |
3240 | break; | |
3241 | case BFD_RELOC_PPC64_TOC16_LO: | |
3242 | case BFD_RELOC_PPC64_TOC16_HI: | |
3243 | case BFD_RELOC_PPC64_TOC16_HA: | |
3244 | toc_reloc_types |= has_large_toc_reloc; | |
3245 | break; | |
3246 | default: | |
3247 | break; | |
3248 | } | |
3249 | ||
3250 | if (ppc_obj64 | |
3251 | && (operand->flags & (PPC_OPERAND_DS | PPC_OPERAND_DQ)) != 0) | |
3252 | { | |
3253 | switch (reloc) | |
3254 | { | |
3255 | case BFD_RELOC_16: | |
3256 | reloc = BFD_RELOC_PPC64_ADDR16_DS; | |
3257 | break; | |
3258 | case BFD_RELOC_LO16: | |
3259 | reloc = BFD_RELOC_PPC64_ADDR16_LO_DS; | |
3260 | break; | |
3261 | case BFD_RELOC_16_GOTOFF: | |
3262 | reloc = BFD_RELOC_PPC64_GOT16_DS; | |
3263 | break; | |
3264 | case BFD_RELOC_LO16_GOTOFF: | |
3265 | reloc = BFD_RELOC_PPC64_GOT16_LO_DS; | |
3266 | break; | |
3267 | case BFD_RELOC_LO16_PLTOFF: | |
3268 | reloc = BFD_RELOC_PPC64_PLT16_LO_DS; | |
3269 | break; | |
3270 | case BFD_RELOC_16_BASEREL: | |
3271 | reloc = BFD_RELOC_PPC64_SECTOFF_DS; | |
3272 | break; | |
3273 | case BFD_RELOC_LO16_BASEREL: | |
3274 | reloc = BFD_RELOC_PPC64_SECTOFF_LO_DS; | |
3275 | break; | |
3276 | case BFD_RELOC_PPC_TOC16: | |
3277 | reloc = BFD_RELOC_PPC64_TOC16_DS; | |
3278 | break; | |
3279 | case BFD_RELOC_PPC64_TOC16_LO: | |
3280 | reloc = BFD_RELOC_PPC64_TOC16_LO_DS; | |
3281 | break; | |
3282 | case BFD_RELOC_PPC64_PLTGOT16: | |
3283 | reloc = BFD_RELOC_PPC64_PLTGOT16_DS; | |
3284 | break; | |
3285 | case BFD_RELOC_PPC64_PLTGOT16_LO: | |
3286 | reloc = BFD_RELOC_PPC64_PLTGOT16_LO_DS; | |
3287 | break; | |
3288 | case BFD_RELOC_PPC_DTPREL16: | |
3289 | reloc = BFD_RELOC_PPC64_DTPREL16_DS; | |
3290 | break; | |
3291 | case BFD_RELOC_PPC_DTPREL16_LO: | |
3292 | reloc = BFD_RELOC_PPC64_DTPREL16_LO_DS; | |
3293 | break; | |
3294 | case BFD_RELOC_PPC_TPREL16: | |
3295 | reloc = BFD_RELOC_PPC64_TPREL16_DS; | |
3296 | break; | |
3297 | case BFD_RELOC_PPC_TPREL16_LO: | |
3298 | reloc = BFD_RELOC_PPC64_TPREL16_LO_DS; | |
3299 | break; | |
3300 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
3301 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
3302 | case BFD_RELOC_PPC_GOT_TPREL16: | |
3303 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
3304 | break; | |
3305 | default: | |
3306 | as_bad (_("unsupported relocation for DS offset field")); | |
3307 | break; | |
3308 | } | |
3309 | } | |
3310 | #endif | |
0baf16f2 | 3311 | |
252b5132 RH |
3312 | /* We need to generate a fixup for this expression. */ |
3313 | if (fc >= MAX_INSN_FIXUPS) | |
3314 | as_fatal (_("too many fixups")); | |
3315 | fixups[fc].exp = ex; | |
727fc41e | 3316 | fixups[fc].opindex = *opindex_ptr; |
252b5132 RH |
3317 | fixups[fc].reloc = reloc; |
3318 | ++fc; | |
3319 | } | |
252b5132 RH |
3320 | |
3321 | if (need_paren) | |
3322 | { | |
3323 | endc = ')'; | |
3324 | need_paren = 0; | |
c3d65c1c BE |
3325 | /* If expecting more operands, then we want to see "),". */ |
3326 | if (*str == endc && opindex_ptr[1] != 0) | |
3327 | { | |
3328 | do | |
3329 | ++str; | |
3330 | while (ISSPACE (*str)); | |
3331 | endc = ','; | |
3332 | } | |
252b5132 RH |
3333 | } |
3334 | else if ((operand->flags & PPC_OPERAND_PARENS) != 0) | |
3335 | { | |
3336 | endc = '('; | |
3337 | need_paren = 1; | |
3338 | } | |
3339 | else | |
3340 | endc = ','; | |
3341 | ||
3342 | /* The call to expression should have advanced str past any | |
3343 | whitespace. */ | |
3344 | if (*str != endc | |
3345 | && (endc != ',' || *str != '\0')) | |
3346 | { | |
5a938047 AM |
3347 | if (*str == '\0') |
3348 | as_bad (_("syntax error; end of line, expected `%c'"), endc); | |
3349 | else | |
3350 | as_bad (_("syntax error; found `%c', expected `%c'"), *str, endc); | |
252b5132 RH |
3351 | break; |
3352 | } | |
3353 | ||
3354 | if (*str != '\0') | |
3355 | ++str; | |
3356 | } | |
3357 | ||
3882b010 | 3358 | while (ISSPACE (*str)) |
252b5132 RH |
3359 | ++str; |
3360 | ||
3361 | if (*str != '\0') | |
3362 | as_bad (_("junk at end of line: `%s'"), str); | |
3363 | ||
dc1d03fc | 3364 | #ifdef OBJ_ELF |
b9c361e0 | 3365 | /* Do we need/want an APUinfo section? */ |
4faf939a JM |
3366 | if ((ppc_cpu & (PPC_OPCODE_E500 | PPC_OPCODE_E500MC | PPC_OPCODE_VLE)) != 0 |
3367 | && !ppc_obj64) | |
6a0c61b7 EZ |
3368 | { |
3369 | /* These are all version "1". */ | |
3370 | if (opcode->flags & PPC_OPCODE_SPE) | |
b34976b6 | 3371 | ppc_apuinfo_section_add (PPC_APUINFO_SPE, 1); |
6a0c61b7 | 3372 | if (opcode->flags & PPC_OPCODE_ISEL) |
b34976b6 | 3373 | ppc_apuinfo_section_add (PPC_APUINFO_ISEL, 1); |
6a0c61b7 | 3374 | if (opcode->flags & PPC_OPCODE_EFS) |
b34976b6 | 3375 | ppc_apuinfo_section_add (PPC_APUINFO_EFS, 1); |
6a0c61b7 | 3376 | if (opcode->flags & PPC_OPCODE_BRLOCK) |
b34976b6 | 3377 | ppc_apuinfo_section_add (PPC_APUINFO_BRLOCK, 1); |
6a0c61b7 | 3378 | if (opcode->flags & PPC_OPCODE_PMR) |
b34976b6 | 3379 | ppc_apuinfo_section_add (PPC_APUINFO_PMR, 1); |
6a0c61b7 | 3380 | if (opcode->flags & PPC_OPCODE_CACHELCK) |
b34976b6 | 3381 | ppc_apuinfo_section_add (PPC_APUINFO_CACHELCK, 1); |
6a0c61b7 | 3382 | if (opcode->flags & PPC_OPCODE_RFMCI) |
b34976b6 | 3383 | ppc_apuinfo_section_add (PPC_APUINFO_RFMCI, 1); |
fbd94057 MR |
3384 | /* Only set the VLE flag if the instruction has been pulled via |
3385 | the VLE instruction set. This way the flag is guaranteed to | |
3386 | be set for VLE-only instructions or for VLE-only processors, | |
3387 | however it'll remain clear for dual-mode instructions on | |
3388 | dual-mode and, more importantly, standard-mode processors. */ | |
3389 | if ((ppc_cpu & opcode->flags) == PPC_OPCODE_VLE) | |
f7d69005 AM |
3390 | { |
3391 | ppc_apuinfo_section_add (PPC_APUINFO_VLE, 1); | |
3392 | if (elf_section_data (now_seg) != NULL) | |
3393 | elf_section_data (now_seg)->this_hdr.sh_flags |= SHF_PPC_VLE; | |
3394 | } | |
6a0c61b7 | 3395 | } |
dc1d03fc | 3396 | #endif |
6a0c61b7 | 3397 | |
252b5132 | 3398 | /* Write out the instruction. */ |
b9c361e0 | 3399 | /* Differentiate between two and four byte insns. */ |
f7d69005 | 3400 | if ((ppc_cpu & PPC_OPCODE_VLE) != 0) |
b9c361e0 JL |
3401 | { |
3402 | if (PPC_OP_SE_VLE (insn)) | |
3403 | insn_length = 2; | |
3404 | else | |
3405 | insn_length = 4; | |
3406 | addr_mod = frag_now_fix () & 1; | |
3407 | } | |
3408 | else | |
3409 | { | |
3410 | insn_length = 4; | |
3411 | addr_mod = frag_now_fix () & 3; | |
3412 | } | |
3413 | /* All instructions can start on a 2 byte boundary for VLE. */ | |
3414 | f = frag_more (insn_length); | |
09b935ac | 3415 | if (frag_now->has_code && frag_now->insn_addr != addr_mod) |
b9c361e0 | 3416 | { |
f7d69005 | 3417 | if ((ppc_cpu & PPC_OPCODE_VLE) != 0) |
b9c361e0 JL |
3418 | as_bad (_("instruction address is not a multiple of 2")); |
3419 | else | |
3420 | as_bad (_("instruction address is not a multiple of 4")); | |
3421 | } | |
09b935ac AM |
3422 | frag_now->insn_addr = addr_mod; |
3423 | frag_now->has_code = 1; | |
b9c361e0 | 3424 | md_number_to_chars (f, insn, insn_length); |
bf7279d5 AM |
3425 | last_insn = insn; |
3426 | last_seg = now_seg; | |
3427 | last_subseg = now_subseg; | |
252b5132 | 3428 | |
5d6f4f16 | 3429 | #ifdef OBJ_ELF |
b9c361e0 | 3430 | dwarf2_emit_insn (insn_length); |
5d6f4f16 GK |
3431 | #endif |
3432 | ||
3b8b57a9 | 3433 | /* Create any fixups. */ |
252b5132 RH |
3434 | for (i = 0; i < fc; i++) |
3435 | { | |
3b8b57a9 | 3436 | fixS *fixP; |
62ebcb5c | 3437 | if (fixups[i].reloc != BFD_RELOC_NONE) |
252b5132 | 3438 | { |
99a814a1 | 3439 | reloc_howto_type *reloc_howto; |
252b5132 RH |
3440 | int size; |
3441 | int offset; | |
252b5132 | 3442 | |
99a814a1 | 3443 | reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc); |
252b5132 RH |
3444 | if (!reloc_howto) |
3445 | abort (); | |
3446 | ||
3447 | size = bfd_get_reloc_size (reloc_howto); | |
3b8b57a9 | 3448 | offset = target_big_endian ? (insn_length - size) : 0; |
252b5132 | 3449 | |
99a814a1 AM |
3450 | fixP = fix_new_exp (frag_now, |
3451 | f - frag_now->fr_literal + offset, | |
3452 | size, | |
3453 | &fixups[i].exp, | |
3454 | reloc_howto->pc_relative, | |
252b5132 | 3455 | fixups[i].reloc); |
252b5132 RH |
3456 | } |
3457 | else | |
727fc41e AM |
3458 | { |
3459 | const struct powerpc_operand *operand; | |
3460 | ||
3461 | operand = &powerpc_operands[fixups[i].opindex]; | |
3b8b57a9 AM |
3462 | fixP = fix_new_exp (frag_now, |
3463 | f - frag_now->fr_literal, | |
3464 | insn_length, | |
3465 | &fixups[i].exp, | |
3466 | (operand->flags & PPC_OPERAND_RELATIVE) != 0, | |
62ebcb5c | 3467 | BFD_RELOC_NONE); |
727fc41e | 3468 | } |
3b8b57a9 | 3469 | fixP->fx_pcrel_adjust = fixups[i].opindex; |
252b5132 RH |
3470 | } |
3471 | } | |
3472 | ||
3473 | /* Handle a macro. Gather all the operands, transform them as | |
3474 | described by the macro, and call md_assemble recursively. All the | |
3475 | operands are separated by commas; we don't accept parentheses | |
3476 | around operands here. */ | |
3477 | ||
3478 | static void | |
98027b10 | 3479 | ppc_macro (char *str, const struct powerpc_macro *macro) |
252b5132 RH |
3480 | { |
3481 | char *operands[10]; | |
3482 | unsigned int count; | |
3483 | char *s; | |
3484 | unsigned int len; | |
3485 | const char *format; | |
db557034 | 3486 | unsigned int arg; |
252b5132 RH |
3487 | char *send; |
3488 | char *complete; | |
3489 | ||
3490 | /* Gather the users operands into the operands array. */ | |
3491 | count = 0; | |
3492 | s = str; | |
3493 | while (1) | |
3494 | { | |
3495 | if (count >= sizeof operands / sizeof operands[0]) | |
3496 | break; | |
3497 | operands[count++] = s; | |
3498 | s = strchr (s, ','); | |
3499 | if (s == (char *) NULL) | |
3500 | break; | |
3501 | *s++ = '\0'; | |
81d4177b | 3502 | } |
252b5132 RH |
3503 | |
3504 | if (count != macro->operands) | |
3505 | { | |
3506 | as_bad (_("wrong number of operands")); | |
3507 | return; | |
3508 | } | |
3509 | ||
3510 | /* Work out how large the string must be (the size is unbounded | |
3511 | because it includes user input). */ | |
3512 | len = 0; | |
3513 | format = macro->format; | |
3514 | while (*format != '\0') | |
3515 | { | |
3516 | if (*format != '%') | |
3517 | { | |
3518 | ++len; | |
3519 | ++format; | |
3520 | } | |
3521 | else | |
3522 | { | |
3523 | arg = strtol (format + 1, &send, 10); | |
db557034 | 3524 | know (send != format && arg < count); |
252b5132 RH |
3525 | len += strlen (operands[arg]); |
3526 | format = send; | |
3527 | } | |
3528 | } | |
3529 | ||
3530 | /* Put the string together. */ | |
325801bd | 3531 | complete = s = XNEWVEC (char, len + 1); |
252b5132 RH |
3532 | format = macro->format; |
3533 | while (*format != '\0') | |
3534 | { | |
3535 | if (*format != '%') | |
3536 | *s++ = *format++; | |
3537 | else | |
3538 | { | |
3539 | arg = strtol (format + 1, &send, 10); | |
3540 | strcpy (s, operands[arg]); | |
3541 | s += strlen (s); | |
3542 | format = send; | |
3543 | } | |
3544 | } | |
3545 | *s = '\0'; | |
3546 | ||
3547 | /* Assemble the constructed instruction. */ | |
3548 | md_assemble (complete); | |
e1fa0163 | 3549 | free (complete); |
81d4177b | 3550 | } |
252b5132 RH |
3551 | \f |
3552 | #ifdef OBJ_ELF | |
18ae9cc1 | 3553 | /* For ELF, add support for SHT_ORDERED. */ |
252b5132 RH |
3554 | |
3555 | int | |
98027b10 | 3556 | ppc_section_type (char *str, size_t len) |
252b5132 | 3557 | { |
9de8d8f1 RH |
3558 | if (len == 7 && strncmp (str, "ordered", 7) == 0) |
3559 | return SHT_ORDERED; | |
252b5132 | 3560 | |
9de8d8f1 | 3561 | return -1; |
252b5132 RH |
3562 | } |
3563 | ||
3564 | int | |
1239de13 | 3565 | ppc_section_flags (flagword flags, bfd_vma attr ATTRIBUTE_UNUSED, int type) |
252b5132 RH |
3566 | { |
3567 | if (type == SHT_ORDERED) | |
3568 | flags |= SEC_ALLOC | SEC_LOAD | SEC_SORT_ENTRIES; | |
3569 | ||
252b5132 RH |
3570 | return flags; |
3571 | } | |
3572 | #endif /* OBJ_ELF */ | |
3573 | ||
3574 | \f | |
3575 | /* Pseudo-op handling. */ | |
3576 | ||
3577 | /* The .byte pseudo-op. This is similar to the normal .byte | |
3578 | pseudo-op, but it can also take a single ASCII string. */ | |
3579 | ||
3580 | static void | |
98027b10 | 3581 | ppc_byte (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 3582 | { |
bf7279d5 AM |
3583 | int count = 0; |
3584 | ||
252b5132 RH |
3585 | if (*input_line_pointer != '\"') |
3586 | { | |
3587 | cons (1); | |
3588 | return; | |
3589 | } | |
3590 | ||
3591 | /* Gather characters. A real double quote is doubled. Unusual | |
3592 | characters are not permitted. */ | |
3593 | ++input_line_pointer; | |
3594 | while (1) | |
3595 | { | |
3596 | char c; | |
3597 | ||
3598 | c = *input_line_pointer++; | |
3599 | ||
3600 | if (c == '\"') | |
3601 | { | |
3602 | if (*input_line_pointer != '\"') | |
3603 | break; | |
3604 | ++input_line_pointer; | |
3605 | } | |
3606 | ||
3607 | FRAG_APPEND_1_CHAR (c); | |
bf7279d5 | 3608 | ++count; |
252b5132 RH |
3609 | } |
3610 | ||
bf7279d5 AM |
3611 | if (warn_476 && count != 0 && (now_seg->flags & SEC_CODE) != 0) |
3612 | as_warn (_("data in executable section")); | |
252b5132 RH |
3613 | demand_empty_rest_of_line (); |
3614 | } | |
3615 | \f | |
3616 | #ifdef OBJ_XCOFF | |
3617 | ||
3618 | /* XCOFF specific pseudo-op handling. */ | |
3619 | ||
3620 | /* This is set if we are creating a .stabx symbol, since we don't want | |
3621 | to handle symbol suffixes for such symbols. */ | |
b34976b6 | 3622 | static bfd_boolean ppc_stab_symbol; |
252b5132 RH |
3623 | |
3624 | /* The .comm and .lcomm pseudo-ops for XCOFF. XCOFF puts common | |
3625 | symbols in the .bss segment as though they were local common | |
67c1ffbe | 3626 | symbols, and uses a different smclas. The native Aix 4.3.3 assembler |
1ad63b2f | 3627 | aligns .comm and .lcomm to 4 bytes. */ |
252b5132 RH |
3628 | |
3629 | static void | |
98027b10 | 3630 | ppc_comm (int lcomm) |
252b5132 RH |
3631 | { |
3632 | asection *current_seg = now_seg; | |
3633 | subsegT current_subseg = now_subseg; | |
3634 | char *name; | |
3635 | char endc; | |
3636 | char *end_name; | |
3637 | offsetT size; | |
3638 | offsetT align; | |
3639 | symbolS *lcomm_sym = NULL; | |
3640 | symbolS *sym; | |
3641 | char *pfrag; | |
3642 | ||
d02603dc | 3643 | endc = get_symbol_name (&name); |
252b5132 | 3644 | end_name = input_line_pointer; |
d02603dc | 3645 | (void) restore_line_pointer (endc); |
252b5132 RH |
3646 | |
3647 | if (*input_line_pointer != ',') | |
3648 | { | |
3649 | as_bad (_("missing size")); | |
3650 | ignore_rest_of_line (); | |
3651 | return; | |
3652 | } | |
3653 | ++input_line_pointer; | |
3654 | ||
3655 | size = get_absolute_expression (); | |
3656 | if (size < 0) | |
3657 | { | |
3658 | as_bad (_("negative size")); | |
3659 | ignore_rest_of_line (); | |
3660 | return; | |
3661 | } | |
3662 | ||
3663 | if (! lcomm) | |
3664 | { | |
3665 | /* The third argument to .comm is the alignment. */ | |
3666 | if (*input_line_pointer != ',') | |
1ad63b2f | 3667 | align = 2; |
252b5132 RH |
3668 | else |
3669 | { | |
3670 | ++input_line_pointer; | |
3671 | align = get_absolute_expression (); | |
3672 | if (align <= 0) | |
3673 | { | |
3674 | as_warn (_("ignoring bad alignment")); | |
1ad63b2f | 3675 | align = 2; |
252b5132 RH |
3676 | } |
3677 | } | |
3678 | } | |
3679 | else | |
3680 | { | |
3681 | char *lcomm_name; | |
3682 | char lcomm_endc; | |
3683 | ||
252b5132 RH |
3684 | /* The third argument to .lcomm appears to be the real local |
3685 | common symbol to create. References to the symbol named in | |
3686 | the first argument are turned into references to the third | |
3687 | argument. */ | |
3688 | if (*input_line_pointer != ',') | |
3689 | { | |
3690 | as_bad (_("missing real symbol name")); | |
3691 | ignore_rest_of_line (); | |
3692 | return; | |
3693 | } | |
3694 | ++input_line_pointer; | |
3695 | ||
d02603dc | 3696 | lcomm_endc = get_symbol_name (&lcomm_name); |
81d4177b | 3697 | |
252b5132 RH |
3698 | lcomm_sym = symbol_find_or_make (lcomm_name); |
3699 | ||
d02603dc | 3700 | (void) restore_line_pointer (lcomm_endc); |
3c02c47f DE |
3701 | |
3702 | /* The fourth argument to .lcomm is the alignment. */ | |
3703 | if (*input_line_pointer != ',') | |
3704 | { | |
3705 | if (size <= 4) | |
3706 | align = 2; | |
3707 | else | |
3708 | align = 3; | |
3709 | } | |
3710 | else | |
3711 | { | |
3712 | ++input_line_pointer; | |
3713 | align = get_absolute_expression (); | |
3714 | if (align <= 0) | |
3715 | { | |
3716 | as_warn (_("ignoring bad alignment")); | |
3717 | align = 2; | |
3718 | } | |
3719 | } | |
252b5132 RH |
3720 | } |
3721 | ||
3722 | *end_name = '\0'; | |
3723 | sym = symbol_find_or_make (name); | |
3724 | *end_name = endc; | |
3725 | ||
3726 | if (S_IS_DEFINED (sym) | |
3727 | || S_GET_VALUE (sym) != 0) | |
3728 | { | |
3729 | as_bad (_("attempt to redefine symbol")); | |
3730 | ignore_rest_of_line (); | |
3731 | return; | |
3732 | } | |
81d4177b | 3733 | |
252b5132 | 3734 | record_alignment (bss_section, align); |
81d4177b | 3735 | |
252b5132 RH |
3736 | if (! lcomm |
3737 | || ! S_IS_DEFINED (lcomm_sym)) | |
3738 | { | |
3739 | symbolS *def_sym; | |
3740 | offsetT def_size; | |
3741 | ||
3742 | if (! lcomm) | |
3743 | { | |
3744 | def_sym = sym; | |
3745 | def_size = size; | |
3746 | S_SET_EXTERNAL (sym); | |
3747 | } | |
3748 | else | |
3749 | { | |
809ffe0d | 3750 | symbol_get_tc (lcomm_sym)->output = 1; |
252b5132 RH |
3751 | def_sym = lcomm_sym; |
3752 | def_size = 0; | |
3753 | } | |
3754 | ||
3755 | subseg_set (bss_section, 1); | |
3756 | frag_align (align, 0, 0); | |
81d4177b | 3757 | |
809ffe0d | 3758 | symbol_set_frag (def_sym, frag_now); |
252b5132 RH |
3759 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, def_sym, |
3760 | def_size, (char *) NULL); | |
3761 | *pfrag = 0; | |
3762 | S_SET_SEGMENT (def_sym, bss_section); | |
809ffe0d | 3763 | symbol_get_tc (def_sym)->align = align; |
252b5132 RH |
3764 | } |
3765 | else if (lcomm) | |
3766 | { | |
3767 | /* Align the size of lcomm_sym. */ | |
809ffe0d ILT |
3768 | symbol_get_frag (lcomm_sym)->fr_offset = |
3769 | ((symbol_get_frag (lcomm_sym)->fr_offset + (1 << align) - 1) | |
252b5132 | 3770 | &~ ((1 << align) - 1)); |
809ffe0d ILT |
3771 | if (align > symbol_get_tc (lcomm_sym)->align) |
3772 | symbol_get_tc (lcomm_sym)->align = align; | |
252b5132 RH |
3773 | } |
3774 | ||
3775 | if (lcomm) | |
3776 | { | |
3777 | /* Make sym an offset from lcomm_sym. */ | |
3778 | S_SET_SEGMENT (sym, bss_section); | |
809ffe0d ILT |
3779 | symbol_set_frag (sym, symbol_get_frag (lcomm_sym)); |
3780 | S_SET_VALUE (sym, symbol_get_frag (lcomm_sym)->fr_offset); | |
3781 | symbol_get_frag (lcomm_sym)->fr_offset += size; | |
252b5132 RH |
3782 | } |
3783 | ||
3784 | subseg_set (current_seg, current_subseg); | |
3785 | ||
3786 | demand_empty_rest_of_line (); | |
3787 | } | |
3788 | ||
3789 | /* The .csect pseudo-op. This switches us into a different | |
3790 | subsegment. The first argument is a symbol whose value is the | |
3791 | start of the .csect. In COFF, csect symbols get special aux | |
3792 | entries defined by the x_csect field of union internal_auxent. The | |
3793 | optional second argument is the alignment (the default is 2). */ | |
3794 | ||
3795 | static void | |
98027b10 | 3796 | ppc_csect (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3797 | { |
3798 | char *name; | |
3799 | char endc; | |
3800 | symbolS *sym; | |
931e13a6 | 3801 | offsetT align; |
252b5132 | 3802 | |
d02603dc | 3803 | endc = get_symbol_name (&name); |
81d4177b | 3804 | |
252b5132 RH |
3805 | sym = symbol_find_or_make (name); |
3806 | ||
d02603dc | 3807 | (void) restore_line_pointer (endc); |
252b5132 RH |
3808 | |
3809 | if (S_GET_NAME (sym)[0] == '\0') | |
3810 | { | |
3811 | /* An unnamed csect is assumed to be [PR]. */ | |
96d56e9f | 3812 | symbol_get_tc (sym)->symbol_class = XMC_PR; |
252b5132 RH |
3813 | } |
3814 | ||
931e13a6 | 3815 | align = 2; |
252b5132 RH |
3816 | if (*input_line_pointer == ',') |
3817 | { | |
3818 | ++input_line_pointer; | |
931e13a6 | 3819 | align = get_absolute_expression (); |
252b5132 RH |
3820 | } |
3821 | ||
931e13a6 AM |
3822 | ppc_change_csect (sym, align); |
3823 | ||
252b5132 RH |
3824 | demand_empty_rest_of_line (); |
3825 | } | |
3826 | ||
3827 | /* Change to a different csect. */ | |
3828 | ||
3829 | static void | |
98027b10 | 3830 | ppc_change_csect (symbolS *sym, offsetT align) |
252b5132 RH |
3831 | { |
3832 | if (S_IS_DEFINED (sym)) | |
809ffe0d | 3833 | subseg_set (S_GET_SEGMENT (sym), symbol_get_tc (sym)->subseg); |
252b5132 RH |
3834 | else |
3835 | { | |
3836 | symbolS **list_ptr; | |
3837 | int after_toc; | |
3838 | int hold_chunksize; | |
3839 | symbolS *list; | |
931e13a6 AM |
3840 | int is_code; |
3841 | segT sec; | |
252b5132 RH |
3842 | |
3843 | /* This is a new csect. We need to look at the symbol class to | |
3844 | figure out whether it should go in the text section or the | |
3845 | data section. */ | |
3846 | after_toc = 0; | |
931e13a6 | 3847 | is_code = 0; |
96d56e9f | 3848 | switch (symbol_get_tc (sym)->symbol_class) |
252b5132 RH |
3849 | { |
3850 | case XMC_PR: | |
3851 | case XMC_RO: | |
3852 | case XMC_DB: | |
3853 | case XMC_GL: | |
3854 | case XMC_XO: | |
3855 | case XMC_SV: | |
3856 | case XMC_TI: | |
3857 | case XMC_TB: | |
3858 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3859 | symbol_get_tc (sym)->subseg = ppc_text_subsegment; |
252b5132 RH |
3860 | ++ppc_text_subsegment; |
3861 | list_ptr = &ppc_text_csects; | |
931e13a6 | 3862 | is_code = 1; |
252b5132 RH |
3863 | break; |
3864 | case XMC_RW: | |
3865 | case XMC_TC0: | |
3866 | case XMC_TC: | |
3867 | case XMC_DS: | |
3868 | case XMC_UA: | |
3869 | case XMC_BS: | |
3870 | case XMC_UC: | |
3871 | if (ppc_toc_csect != NULL | |
809ffe0d ILT |
3872 | && (symbol_get_tc (ppc_toc_csect)->subseg + 1 |
3873 | == ppc_data_subsegment)) | |
252b5132 RH |
3874 | after_toc = 1; |
3875 | S_SET_SEGMENT (sym, data_section); | |
809ffe0d | 3876 | symbol_get_tc (sym)->subseg = ppc_data_subsegment; |
252b5132 RH |
3877 | ++ppc_data_subsegment; |
3878 | list_ptr = &ppc_data_csects; | |
3879 | break; | |
3880 | default: | |
3881 | abort (); | |
3882 | } | |
3883 | ||
3884 | /* We set the obstack chunk size to a small value before | |
99a814a1 AM |
3885 | changing subsegments, so that we don't use a lot of memory |
3886 | space for what may be a small section. */ | |
252b5132 RH |
3887 | hold_chunksize = chunksize; |
3888 | chunksize = 64; | |
3889 | ||
931e13a6 AM |
3890 | sec = subseg_new (segment_name (S_GET_SEGMENT (sym)), |
3891 | symbol_get_tc (sym)->subseg); | |
252b5132 RH |
3892 | |
3893 | chunksize = hold_chunksize; | |
3894 | ||
3895 | if (after_toc) | |
3896 | ppc_after_toc_frag = frag_now; | |
3897 | ||
931e13a6 AM |
3898 | record_alignment (sec, align); |
3899 | if (is_code) | |
3900 | frag_align_code (align, 0); | |
3901 | else | |
3902 | frag_align (align, 0, 0); | |
3903 | ||
809ffe0d | 3904 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3905 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); |
3906 | ||
931e13a6 | 3907 | symbol_get_tc (sym)->align = align; |
809ffe0d ILT |
3908 | symbol_get_tc (sym)->output = 1; |
3909 | symbol_get_tc (sym)->within = sym; | |
81d4177b | 3910 | |
252b5132 | 3911 | for (list = *list_ptr; |
809ffe0d ILT |
3912 | symbol_get_tc (list)->next != (symbolS *) NULL; |
3913 | list = symbol_get_tc (list)->next) | |
252b5132 | 3914 | ; |
809ffe0d | 3915 | symbol_get_tc (list)->next = sym; |
81d4177b | 3916 | |
252b5132 | 3917 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); |
809ffe0d ILT |
3918 | symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP, |
3919 | &symbol_lastP); | |
252b5132 RH |
3920 | } |
3921 | ||
3922 | ppc_current_csect = sym; | |
3923 | } | |
3924 | ||
85645aed TG |
3925 | static void |
3926 | ppc_change_debug_section (unsigned int idx, subsegT subseg) | |
3927 | { | |
3928 | segT sec; | |
3929 | flagword oldflags; | |
3930 | const struct xcoff_dwsect_name *dw = &xcoff_dwsect_names[idx]; | |
3931 | ||
3932 | sec = subseg_new (dw->name, subseg); | |
3933 | oldflags = bfd_get_section_flags (stdoutput, sec); | |
3934 | if (oldflags == SEC_NO_FLAGS) | |
3935 | { | |
3936 | /* Just created section. */ | |
3937 | gas_assert (dw_sections[idx].sect == NULL); | |
3938 | ||
3939 | bfd_set_section_flags (stdoutput, sec, SEC_DEBUGGING); | |
3940 | bfd_set_section_alignment (stdoutput, sec, 0); | |
3941 | dw_sections[idx].sect = sec; | |
3942 | } | |
3943 | ||
3944 | /* Not anymore in a csect. */ | |
3945 | ppc_current_csect = NULL; | |
3946 | } | |
3947 | ||
3948 | /* The .dwsect pseudo-op. Defines a DWARF section. Syntax is: | |
3949 | .dwsect flag [, opt-label ] | |
3950 | */ | |
3951 | ||
3952 | static void | |
3953 | ppc_dwsect (int ignore ATTRIBUTE_UNUSED) | |
3954 | { | |
3955 | offsetT flag; | |
3956 | symbolS *opt_label; | |
3957 | const struct xcoff_dwsect_name *dw; | |
3958 | struct dw_subsection *subseg; | |
3959 | struct dw_section *dws; | |
3960 | int i; | |
3961 | ||
3962 | /* Find section. */ | |
3963 | flag = get_absolute_expression (); | |
3964 | dw = NULL; | |
3965 | for (i = 0; i < XCOFF_DWSECT_NBR_NAMES; i++) | |
3966 | if (xcoff_dwsect_names[i].flag == flag) | |
3967 | { | |
3968 | dw = &xcoff_dwsect_names[i]; | |
3969 | break; | |
3970 | } | |
3971 | ||
3972 | /* Parse opt-label. */ | |
3973 | if (*input_line_pointer == ',') | |
3974 | { | |
d02603dc | 3975 | char *label; |
85645aed TG |
3976 | char c; |
3977 | ||
3978 | ++input_line_pointer; | |
3979 | ||
d02603dc | 3980 | c = get_symbol_name (&label); |
85645aed | 3981 | opt_label = symbol_find_or_make (label); |
d02603dc | 3982 | (void) restore_line_pointer (c); |
85645aed TG |
3983 | } |
3984 | else | |
3985 | opt_label = NULL; | |
3986 | ||
3987 | demand_empty_rest_of_line (); | |
3988 | ||
3989 | /* Return now in case of unknown subsection. */ | |
3990 | if (dw == NULL) | |
3991 | { | |
d6ed37ed | 3992 | as_bad (_("no known dwarf XCOFF section for flag 0x%08x\n"), |
85645aed TG |
3993 | (unsigned)flag); |
3994 | return; | |
3995 | } | |
3996 | ||
3997 | /* Find the subsection. */ | |
3998 | dws = &dw_sections[i]; | |
3999 | subseg = NULL; | |
4000 | if (opt_label != NULL && S_IS_DEFINED (opt_label)) | |
4001 | { | |
4002 | /* Sanity check (note that in theory S_GET_SEGMENT mustn't be null). */ | |
4003 | if (dws->sect == NULL || S_GET_SEGMENT (opt_label) != dws->sect) | |
4004 | { | |
4005 | as_bad (_("label %s was not defined in this dwarf section"), | |
4006 | S_GET_NAME (opt_label)); | |
4007 | subseg = dws->anon_subseg; | |
4008 | opt_label = NULL; | |
4009 | } | |
4010 | else | |
4011 | subseg = symbol_get_tc (opt_label)->u.dw; | |
4012 | } | |
4013 | ||
4014 | if (subseg != NULL) | |
4015 | { | |
4016 | /* Switch to the subsection. */ | |
4017 | ppc_change_debug_section (i, subseg->subseg); | |
4018 | } | |
4019 | else | |
4020 | { | |
4021 | /* Create a new dw subsection. */ | |
325801bd | 4022 | subseg = XNEW (struct dw_subsection); |
85645aed TG |
4023 | |
4024 | if (opt_label == NULL) | |
4025 | { | |
4026 | /* The anonymous one. */ | |
4027 | subseg->subseg = 0; | |
4028 | subseg->link = NULL; | |
4029 | dws->anon_subseg = subseg; | |
4030 | } | |
4031 | else | |
4032 | { | |
4033 | /* A named one. */ | |
4034 | if (dws->list_subseg != NULL) | |
4035 | subseg->subseg = dws->list_subseg->subseg + 1; | |
4036 | else | |
4037 | subseg->subseg = 1; | |
4038 | ||
4039 | subseg->link = dws->list_subseg; | |
4040 | dws->list_subseg = subseg; | |
4041 | symbol_get_tc (opt_label)->u.dw = subseg; | |
4042 | } | |
4043 | ||
4044 | ppc_change_debug_section (i, subseg->subseg); | |
4045 | ||
4046 | if (dw->def_size) | |
4047 | { | |
4048 | /* Add the length field. */ | |
4049 | expressionS *exp = &subseg->end_exp; | |
4050 | int sz; | |
4051 | ||
4052 | if (opt_label != NULL) | |
4053 | symbol_set_value_now (opt_label); | |
4054 | ||
4055 | /* Add the length field. Note that according to the AIX assembler | |
4056 | manual, the size of the length field is 4 for powerpc32 but | |
4057 | 12 for powerpc64. */ | |
4058 | if (ppc_obj64) | |
4059 | { | |
4060 | /* Write the 64bit marker. */ | |
4061 | md_number_to_chars (frag_more (4), -1, 4); | |
4062 | } | |
4063 | ||
4064 | exp->X_op = O_subtract; | |
4065 | exp->X_op_symbol = symbol_temp_new_now (); | |
4066 | exp->X_add_symbol = symbol_temp_make (); | |
4067 | ||
4068 | sz = ppc_obj64 ? 8 : 4; | |
4069 | exp->X_add_number = -sz; | |
4070 | emit_expr (exp, sz); | |
4071 | } | |
4072 | } | |
4073 | } | |
4074 | ||
252b5132 RH |
4075 | /* This function handles the .text and .data pseudo-ops. These |
4076 | pseudo-ops aren't really used by XCOFF; we implement them for the | |
4077 | convenience of people who aren't used to XCOFF. */ | |
4078 | ||
4079 | static void | |
98027b10 | 4080 | ppc_section (int type) |
252b5132 RH |
4081 | { |
4082 | const char *name; | |
4083 | symbolS *sym; | |
4084 | ||
4085 | if (type == 't') | |
4086 | name = ".text[PR]"; | |
4087 | else if (type == 'd') | |
4088 | name = ".data[RW]"; | |
4089 | else | |
4090 | abort (); | |
4091 | ||
4092 | sym = symbol_find_or_make (name); | |
4093 | ||
931e13a6 | 4094 | ppc_change_csect (sym, 2); |
252b5132 RH |
4095 | |
4096 | demand_empty_rest_of_line (); | |
4097 | } | |
4098 | ||
4099 | /* This function handles the .section pseudo-op. This is mostly to | |
4100 | give an error, since XCOFF only supports .text, .data and .bss, but | |
4101 | we do permit the user to name the text or data section. */ | |
4102 | ||
4103 | static void | |
98027b10 | 4104 | ppc_named_section (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4105 | { |
4106 | char *user_name; | |
4107 | const char *real_name; | |
4108 | char c; | |
4109 | symbolS *sym; | |
4110 | ||
d02603dc | 4111 | c = get_symbol_name (&user_name); |
252b5132 RH |
4112 | |
4113 | if (strcmp (user_name, ".text") == 0) | |
4114 | real_name = ".text[PR]"; | |
4115 | else if (strcmp (user_name, ".data") == 0) | |
4116 | real_name = ".data[RW]"; | |
4117 | else | |
4118 | { | |
d6ed37ed | 4119 | as_bad (_("the XCOFF file format does not support arbitrary sections")); |
d02603dc | 4120 | (void) restore_line_pointer (c); |
252b5132 RH |
4121 | ignore_rest_of_line (); |
4122 | return; | |
4123 | } | |
4124 | ||
d02603dc | 4125 | (void) restore_line_pointer (c); |
252b5132 RH |
4126 | |
4127 | sym = symbol_find_or_make (real_name); | |
4128 | ||
931e13a6 | 4129 | ppc_change_csect (sym, 2); |
252b5132 RH |
4130 | |
4131 | demand_empty_rest_of_line (); | |
4132 | } | |
4133 | ||
4134 | /* The .extern pseudo-op. We create an undefined symbol. */ | |
4135 | ||
4136 | static void | |
98027b10 | 4137 | ppc_extern (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4138 | { |
4139 | char *name; | |
4140 | char endc; | |
4141 | ||
d02603dc | 4142 | endc = get_symbol_name (&name); |
252b5132 RH |
4143 | |
4144 | (void) symbol_find_or_make (name); | |
4145 | ||
d02603dc | 4146 | (void) restore_line_pointer (endc); |
252b5132 RH |
4147 | |
4148 | demand_empty_rest_of_line (); | |
4149 | } | |
4150 | ||
4151 | /* The .lglobl pseudo-op. Keep the symbol in the symbol table. */ | |
4152 | ||
4153 | static void | |
98027b10 | 4154 | ppc_lglobl (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4155 | { |
4156 | char *name; | |
4157 | char endc; | |
4158 | symbolS *sym; | |
4159 | ||
d02603dc | 4160 | endc = get_symbol_name (&name); |
252b5132 RH |
4161 | |
4162 | sym = symbol_find_or_make (name); | |
4163 | ||
d02603dc | 4164 | (void) restore_line_pointer (endc); |
252b5132 | 4165 | |
809ffe0d | 4166 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
4167 | |
4168 | demand_empty_rest_of_line (); | |
4169 | } | |
4170 | ||
c865e45b RS |
4171 | /* The .ref pseudo-op. It takes a list of symbol names and inserts R_REF |
4172 | relocations at the beginning of the current csect. | |
4173 | ||
4174 | (In principle, there's no reason why the relocations _have_ to be at | |
4175 | the beginning. Anywhere in the csect would do. However, inserting | |
33eaf5de | 4176 | at the beginning is what the native assembler does, and it helps to |
c865e45b RS |
4177 | deal with cases where the .ref statements follow the section contents.) |
4178 | ||
4179 | ??? .refs don't work for empty .csects. However, the native assembler | |
4180 | doesn't report an error in this case, and neither yet do we. */ | |
4181 | ||
4182 | static void | |
4183 | ppc_ref (int ignore ATTRIBUTE_UNUSED) | |
4184 | { | |
4185 | char *name; | |
4186 | char c; | |
4187 | ||
4188 | if (ppc_current_csect == NULL) | |
4189 | { | |
4190 | as_bad (_(".ref outside .csect")); | |
4191 | ignore_rest_of_line (); | |
4192 | return; | |
4193 | } | |
4194 | ||
4195 | do | |
4196 | { | |
d02603dc | 4197 | c = get_symbol_name (&name); |
c865e45b RS |
4198 | |
4199 | fix_at_start (symbol_get_frag (ppc_current_csect), 0, | |
4200 | symbol_find_or_make (name), 0, FALSE, BFD_RELOC_NONE); | |
4201 | ||
4202 | *input_line_pointer = c; | |
d02603dc | 4203 | SKIP_WHITESPACE_AFTER_NAME (); |
c865e45b RS |
4204 | c = *input_line_pointer; |
4205 | if (c == ',') | |
4206 | { | |
4207 | input_line_pointer++; | |
4208 | SKIP_WHITESPACE (); | |
4209 | if (is_end_of_line[(unsigned char) *input_line_pointer]) | |
4210 | { | |
4211 | as_bad (_("missing symbol name")); | |
4212 | ignore_rest_of_line (); | |
4213 | return; | |
4214 | } | |
4215 | } | |
4216 | } | |
4217 | while (c == ','); | |
4218 | ||
4219 | demand_empty_rest_of_line (); | |
4220 | } | |
4221 | ||
252b5132 RH |
4222 | /* The .rename pseudo-op. The RS/6000 assembler can rename symbols, |
4223 | although I don't know why it bothers. */ | |
4224 | ||
4225 | static void | |
98027b10 | 4226 | ppc_rename (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4227 | { |
4228 | char *name; | |
4229 | char endc; | |
4230 | symbolS *sym; | |
4231 | int len; | |
4232 | ||
d02603dc | 4233 | endc = get_symbol_name (&name); |
252b5132 RH |
4234 | |
4235 | sym = symbol_find_or_make (name); | |
4236 | ||
d02603dc | 4237 | (void) restore_line_pointer (endc); |
252b5132 RH |
4238 | |
4239 | if (*input_line_pointer != ',') | |
4240 | { | |
4241 | as_bad (_("missing rename string")); | |
4242 | ignore_rest_of_line (); | |
4243 | return; | |
4244 | } | |
4245 | ++input_line_pointer; | |
4246 | ||
809ffe0d | 4247 | symbol_get_tc (sym)->real_name = demand_copy_C_string (&len); |
252b5132 RH |
4248 | |
4249 | demand_empty_rest_of_line (); | |
4250 | } | |
4251 | ||
4252 | /* The .stabx pseudo-op. This is similar to a normal .stabs | |
4253 | pseudo-op, but slightly different. A sample is | |
4254 | .stabx "main:F-1",.main,142,0 | |
4255 | The first argument is the symbol name to create. The second is the | |
4256 | value, and the third is the storage class. The fourth seems to be | |
4257 | always zero, and I am assuming it is the type. */ | |
4258 | ||
4259 | static void | |
98027b10 | 4260 | ppc_stabx (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4261 | { |
4262 | char *name; | |
4263 | int len; | |
4264 | symbolS *sym; | |
4265 | expressionS exp; | |
4266 | ||
4267 | name = demand_copy_C_string (&len); | |
4268 | ||
4269 | if (*input_line_pointer != ',') | |
4270 | { | |
4271 | as_bad (_("missing value")); | |
4272 | return; | |
4273 | } | |
4274 | ++input_line_pointer; | |
4275 | ||
b34976b6 | 4276 | ppc_stab_symbol = TRUE; |
252b5132 | 4277 | sym = symbol_make (name); |
b34976b6 | 4278 | ppc_stab_symbol = FALSE; |
252b5132 | 4279 | |
809ffe0d | 4280 | symbol_get_tc (sym)->real_name = name; |
252b5132 RH |
4281 | |
4282 | (void) expression (&exp); | |
4283 | ||
4284 | switch (exp.X_op) | |
4285 | { | |
4286 | case O_illegal: | |
4287 | case O_absent: | |
4288 | case O_big: | |
4289 | as_bad (_("illegal .stabx expression; zero assumed")); | |
4290 | exp.X_add_number = 0; | |
4291 | /* Fall through. */ | |
4292 | case O_constant: | |
4293 | S_SET_VALUE (sym, (valueT) exp.X_add_number); | |
809ffe0d | 4294 | symbol_set_frag (sym, &zero_address_frag); |
252b5132 RH |
4295 | break; |
4296 | ||
4297 | case O_symbol: | |
4298 | if (S_GET_SEGMENT (exp.X_add_symbol) == undefined_section) | |
809ffe0d | 4299 | symbol_set_value_expression (sym, &exp); |
252b5132 RH |
4300 | else |
4301 | { | |
4302 | S_SET_VALUE (sym, | |
4303 | exp.X_add_number + S_GET_VALUE (exp.X_add_symbol)); | |
809ffe0d | 4304 | symbol_set_frag (sym, symbol_get_frag (exp.X_add_symbol)); |
252b5132 RH |
4305 | } |
4306 | break; | |
4307 | ||
4308 | default: | |
4309 | /* The value is some complex expression. This will probably | |
99a814a1 AM |
4310 | fail at some later point, but this is probably the right |
4311 | thing to do here. */ | |
809ffe0d | 4312 | symbol_set_value_expression (sym, &exp); |
252b5132 RH |
4313 | break; |
4314 | } | |
4315 | ||
4316 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 4317 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
4318 | |
4319 | if (*input_line_pointer != ',') | |
4320 | { | |
4321 | as_bad (_("missing class")); | |
4322 | return; | |
4323 | } | |
4324 | ++input_line_pointer; | |
4325 | ||
4326 | S_SET_STORAGE_CLASS (sym, get_absolute_expression ()); | |
4327 | ||
4328 | if (*input_line_pointer != ',') | |
4329 | { | |
4330 | as_bad (_("missing type")); | |
4331 | return; | |
4332 | } | |
4333 | ++input_line_pointer; | |
4334 | ||
4335 | S_SET_DATA_TYPE (sym, get_absolute_expression ()); | |
4336 | ||
809ffe0d | 4337 | symbol_get_tc (sym)->output = 1; |
252b5132 | 4338 | |
c734e7e3 TG |
4339 | if (S_GET_STORAGE_CLASS (sym) == C_STSYM) |
4340 | { | |
4341 | /* In this case : | |
252b5132 | 4342 | |
c734e7e3 TG |
4343 | .bs name |
4344 | .stabx "z",arrays_,133,0 | |
4345 | .es | |
99a814a1 | 4346 | |
c734e7e3 | 4347 | .comm arrays_,13768,3 |
99a814a1 | 4348 | |
c734e7e3 TG |
4349 | resolve_symbol_value will copy the exp's "within" into sym's when the |
4350 | offset is 0. Since this seems to be corner case problem, | |
4351 | only do the correction for storage class C_STSYM. A better solution | |
4352 | would be to have the tc field updated in ppc_symbol_new_hook. */ | |
99a814a1 | 4353 | |
c734e7e3 TG |
4354 | if (exp.X_op == O_symbol) |
4355 | { | |
4356 | if (ppc_current_block == NULL) | |
4357 | as_bad (_(".stabx of storage class stsym must be within .bs/.es")); | |
99a814a1 | 4358 | |
c734e7e3 TG |
4359 | symbol_get_tc (sym)->within = ppc_current_block; |
4360 | symbol_get_tc (exp.X_add_symbol)->within = ppc_current_block; | |
4361 | } | |
4362 | } | |
99a814a1 | 4363 | |
252b5132 RH |
4364 | if (exp.X_op != O_symbol |
4365 | || ! S_IS_EXTERNAL (exp.X_add_symbol) | |
4366 | || S_GET_SEGMENT (exp.X_add_symbol) != bss_section) | |
4367 | ppc_frob_label (sym); | |
4368 | else | |
4369 | { | |
4370 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
4371 | symbol_append (sym, exp.X_add_symbol, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
4372 | if (symbol_get_tc (ppc_current_csect)->within == exp.X_add_symbol) |
4373 | symbol_get_tc (ppc_current_csect)->within = sym; | |
252b5132 RH |
4374 | } |
4375 | ||
4376 | demand_empty_rest_of_line (); | |
4377 | } | |
4378 | ||
4379 | /* The .function pseudo-op. This takes several arguments. The first | |
4380 | argument seems to be the external name of the symbol. The second | |
67c1ffbe | 4381 | argument seems to be the label for the start of the function. gcc |
252b5132 RH |
4382 | uses the same name for both. I have no idea what the third and |
4383 | fourth arguments are meant to be. The optional fifth argument is | |
4384 | an expression for the size of the function. In COFF this symbol | |
4385 | gets an aux entry like that used for a csect. */ | |
4386 | ||
4387 | static void | |
98027b10 | 4388 | ppc_function (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4389 | { |
4390 | char *name; | |
4391 | char endc; | |
4392 | char *s; | |
4393 | symbolS *ext_sym; | |
4394 | symbolS *lab_sym; | |
4395 | ||
d02603dc | 4396 | endc = get_symbol_name (&name); |
252b5132 RH |
4397 | |
4398 | /* Ignore any [PR] suffix. */ | |
4399 | name = ppc_canonicalize_symbol_name (name); | |
4400 | s = strchr (name, '['); | |
4401 | if (s != (char *) NULL | |
4402 | && strcmp (s + 1, "PR]") == 0) | |
4403 | *s = '\0'; | |
4404 | ||
4405 | ext_sym = symbol_find_or_make (name); | |
4406 | ||
d02603dc | 4407 | (void) restore_line_pointer (endc); |
252b5132 RH |
4408 | |
4409 | if (*input_line_pointer != ',') | |
4410 | { | |
4411 | as_bad (_("missing symbol name")); | |
4412 | ignore_rest_of_line (); | |
4413 | return; | |
4414 | } | |
4415 | ++input_line_pointer; | |
4416 | ||
d02603dc | 4417 | endc = get_symbol_name (&name); |
252b5132 RH |
4418 | |
4419 | lab_sym = symbol_find_or_make (name); | |
4420 | ||
d02603dc | 4421 | (void) restore_line_pointer (endc); |
252b5132 RH |
4422 | |
4423 | if (ext_sym != lab_sym) | |
4424 | { | |
809ffe0d ILT |
4425 | expressionS exp; |
4426 | ||
4427 | exp.X_op = O_symbol; | |
4428 | exp.X_add_symbol = lab_sym; | |
4429 | exp.X_op_symbol = NULL; | |
4430 | exp.X_add_number = 0; | |
4431 | exp.X_unsigned = 0; | |
4432 | symbol_set_value_expression (ext_sym, &exp); | |
252b5132 RH |
4433 | } |
4434 | ||
96d56e9f NC |
4435 | if (symbol_get_tc (ext_sym)->symbol_class == -1) |
4436 | symbol_get_tc (ext_sym)->symbol_class = XMC_PR; | |
809ffe0d | 4437 | symbol_get_tc (ext_sym)->output = 1; |
252b5132 RH |
4438 | |
4439 | if (*input_line_pointer == ',') | |
4440 | { | |
91d6fa6a | 4441 | expressionS exp; |
252b5132 RH |
4442 | |
4443 | /* Ignore the third argument. */ | |
4444 | ++input_line_pointer; | |
91d6fa6a | 4445 | expression (& exp); |
252b5132 RH |
4446 | if (*input_line_pointer == ',') |
4447 | { | |
4448 | /* Ignore the fourth argument. */ | |
4449 | ++input_line_pointer; | |
91d6fa6a | 4450 | expression (& exp); |
252b5132 RH |
4451 | if (*input_line_pointer == ',') |
4452 | { | |
4453 | /* The fifth argument is the function size. */ | |
4454 | ++input_line_pointer; | |
85645aed TG |
4455 | symbol_get_tc (ext_sym)->u.size = symbol_new |
4456 | ("L0\001", absolute_section,(valueT) 0, &zero_address_frag); | |
4457 | pseudo_set (symbol_get_tc (ext_sym)->u.size); | |
252b5132 RH |
4458 | } |
4459 | } | |
4460 | } | |
4461 | ||
4462 | S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT); | |
4463 | SF_SET_FUNCTION (ext_sym); | |
4464 | SF_SET_PROCESS (ext_sym); | |
4465 | coff_add_linesym (ext_sym); | |
4466 | ||
4467 | demand_empty_rest_of_line (); | |
4468 | } | |
4469 | ||
4470 | /* The .bf pseudo-op. This is just like a COFF C_FCN symbol named | |
8642cce8 TR |
4471 | ".bf". If the pseudo op .bi was seen before .bf, patch the .bi sym |
4472 | with the correct line number */ | |
5d6255fe | 4473 | |
8642cce8 | 4474 | static symbolS *saved_bi_sym = 0; |
252b5132 RH |
4475 | |
4476 | static void | |
98027b10 | 4477 | ppc_bf (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4478 | { |
4479 | symbolS *sym; | |
4480 | ||
4481 | sym = symbol_make (".bf"); | |
4482 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 4483 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
4484 | S_SET_VALUE (sym, frag_now_fix ()); |
4485 | S_SET_STORAGE_CLASS (sym, C_FCN); | |
4486 | ||
4487 | coff_line_base = get_absolute_expression (); | |
4488 | ||
4489 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
4490 | SA_SET_SYM_LNNO (sym, coff_line_base); | |
4491 | ||
8642cce8 | 4492 | /* Line number for bi. */ |
5d6255fe | 4493 | if (saved_bi_sym) |
8642cce8 TR |
4494 | { |
4495 | S_SET_VALUE (saved_bi_sym, coff_n_line_nos); | |
4496 | saved_bi_sym = 0; | |
4497 | } | |
5d6255fe | 4498 | |
8642cce8 | 4499 | |
809ffe0d | 4500 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
4501 | |
4502 | ppc_frob_label (sym); | |
4503 | ||
4504 | demand_empty_rest_of_line (); | |
4505 | } | |
4506 | ||
4507 | /* The .ef pseudo-op. This is just like a COFF C_FCN symbol named | |
4508 | ".ef", except that the line number is absolute, not relative to the | |
4509 | most recent ".bf" symbol. */ | |
4510 | ||
4511 | static void | |
98027b10 | 4512 | ppc_ef (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4513 | { |
4514 | symbolS *sym; | |
4515 | ||
4516 | sym = symbol_make (".ef"); | |
4517 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 4518 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
4519 | S_SET_VALUE (sym, frag_now_fix ()); |
4520 | S_SET_STORAGE_CLASS (sym, C_FCN); | |
4521 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
4522 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
809ffe0d | 4523 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
4524 | |
4525 | ppc_frob_label (sym); | |
4526 | ||
4527 | demand_empty_rest_of_line (); | |
4528 | } | |
4529 | ||
4530 | /* The .bi and .ei pseudo-ops. These take a string argument and | |
4531 | generates a C_BINCL or C_EINCL symbol, which goes at the start of | |
8642cce8 TR |
4532 | the symbol list. The value of .bi will be know when the next .bf |
4533 | is encountered. */ | |
252b5132 RH |
4534 | |
4535 | static void | |
98027b10 | 4536 | ppc_biei (int ei) |
252b5132 RH |
4537 | { |
4538 | static symbolS *last_biei; | |
4539 | ||
4540 | char *name; | |
4541 | int len; | |
4542 | symbolS *sym; | |
4543 | symbolS *look; | |
4544 | ||
4545 | name = demand_copy_C_string (&len); | |
4546 | ||
4547 | /* The value of these symbols is actually file offset. Here we set | |
4548 | the value to the index into the line number entries. In | |
4549 | ppc_frob_symbols we set the fix_line field, which will cause BFD | |
4550 | to do the right thing. */ | |
4551 | ||
4552 | sym = symbol_make (name); | |
4553 | /* obj-coff.c currently only handles line numbers correctly in the | |
4554 | .text section. */ | |
4555 | S_SET_SEGMENT (sym, text_section); | |
4556 | S_SET_VALUE (sym, coff_n_line_nos); | |
809ffe0d | 4557 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
4558 | |
4559 | S_SET_STORAGE_CLASS (sym, ei ? C_EINCL : C_BINCL); | |
809ffe0d | 4560 | symbol_get_tc (sym)->output = 1; |
81d4177b | 4561 | |
8642cce8 | 4562 | /* Save bi. */ |
5d6255fe | 4563 | if (ei) |
8642cce8 TR |
4564 | saved_bi_sym = 0; |
4565 | else | |
4566 | saved_bi_sym = sym; | |
4567 | ||
252b5132 RH |
4568 | for (look = last_biei ? last_biei : symbol_rootP; |
4569 | (look != (symbolS *) NULL | |
4570 | && (S_GET_STORAGE_CLASS (look) == C_FILE | |
4571 | || S_GET_STORAGE_CLASS (look) == C_BINCL | |
4572 | || S_GET_STORAGE_CLASS (look) == C_EINCL)); | |
4573 | look = symbol_next (look)) | |
4574 | ; | |
4575 | if (look != (symbolS *) NULL) | |
4576 | { | |
4577 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
4578 | symbol_insert (sym, look, &symbol_rootP, &symbol_lastP); | |
4579 | last_biei = sym; | |
4580 | } | |
4581 | ||
4582 | demand_empty_rest_of_line (); | |
4583 | } | |
4584 | ||
4585 | /* The .bs pseudo-op. This generates a C_BSTAT symbol named ".bs". | |
4586 | There is one argument, which is a csect symbol. The value of the | |
4587 | .bs symbol is the index of this csect symbol. */ | |
4588 | ||
4589 | static void | |
98027b10 | 4590 | ppc_bs (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4591 | { |
4592 | char *name; | |
4593 | char endc; | |
4594 | symbolS *csect; | |
4595 | symbolS *sym; | |
4596 | ||
4597 | if (ppc_current_block != NULL) | |
4598 | as_bad (_("nested .bs blocks")); | |
4599 | ||
d02603dc | 4600 | endc = get_symbol_name (&name); |
252b5132 RH |
4601 | |
4602 | csect = symbol_find_or_make (name); | |
4603 | ||
d02603dc | 4604 | (void) restore_line_pointer (endc); |
252b5132 RH |
4605 | |
4606 | sym = symbol_make (".bs"); | |
4607 | S_SET_SEGMENT (sym, now_seg); | |
4608 | S_SET_STORAGE_CLASS (sym, C_BSTAT); | |
809ffe0d ILT |
4609 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
4610 | symbol_get_tc (sym)->output = 1; | |
252b5132 | 4611 | |
809ffe0d | 4612 | symbol_get_tc (sym)->within = csect; |
252b5132 RH |
4613 | |
4614 | ppc_frob_label (sym); | |
4615 | ||
4616 | ppc_current_block = sym; | |
4617 | ||
4618 | demand_empty_rest_of_line (); | |
4619 | } | |
4620 | ||
4621 | /* The .es pseudo-op. Generate a C_ESTART symbol named .es. */ | |
4622 | ||
4623 | static void | |
98027b10 | 4624 | ppc_es (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4625 | { |
4626 | symbolS *sym; | |
4627 | ||
4628 | if (ppc_current_block == NULL) | |
4629 | as_bad (_(".es without preceding .bs")); | |
4630 | ||
4631 | sym = symbol_make (".es"); | |
4632 | S_SET_SEGMENT (sym, now_seg); | |
4633 | S_SET_STORAGE_CLASS (sym, C_ESTAT); | |
809ffe0d ILT |
4634 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
4635 | symbol_get_tc (sym)->output = 1; | |
252b5132 RH |
4636 | |
4637 | ppc_frob_label (sym); | |
4638 | ||
4639 | ppc_current_block = NULL; | |
4640 | ||
4641 | demand_empty_rest_of_line (); | |
4642 | } | |
4643 | ||
4644 | /* The .bb pseudo-op. Generate a C_BLOCK symbol named .bb, with a | |
4645 | line number. */ | |
4646 | ||
4647 | static void | |
98027b10 | 4648 | ppc_bb (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4649 | { |
4650 | symbolS *sym; | |
4651 | ||
4652 | sym = symbol_make (".bb"); | |
4653 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 4654 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
4655 | S_SET_VALUE (sym, frag_now_fix ()); |
4656 | S_SET_STORAGE_CLASS (sym, C_BLOCK); | |
4657 | ||
4658 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
4659 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
4660 | ||
809ffe0d | 4661 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
4662 | |
4663 | SF_SET_PROCESS (sym); | |
4664 | ||
4665 | ppc_frob_label (sym); | |
4666 | ||
4667 | demand_empty_rest_of_line (); | |
4668 | } | |
4669 | ||
4670 | /* The .eb pseudo-op. Generate a C_BLOCK symbol named .eb, with a | |
4671 | line number. */ | |
4672 | ||
4673 | static void | |
98027b10 | 4674 | ppc_eb (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4675 | { |
4676 | symbolS *sym; | |
4677 | ||
4678 | sym = symbol_make (".eb"); | |
4679 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 4680 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
4681 | S_SET_VALUE (sym, frag_now_fix ()); |
4682 | S_SET_STORAGE_CLASS (sym, C_BLOCK); | |
4683 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
4684 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
809ffe0d | 4685 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
4686 | |
4687 | SF_SET_PROCESS (sym); | |
4688 | ||
4689 | ppc_frob_label (sym); | |
4690 | ||
4691 | demand_empty_rest_of_line (); | |
4692 | } | |
4693 | ||
4694 | /* The .bc pseudo-op. This just creates a C_BCOMM symbol with a | |
4695 | specified name. */ | |
4696 | ||
4697 | static void | |
98027b10 | 4698 | ppc_bc (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4699 | { |
4700 | char *name; | |
4701 | int len; | |
4702 | symbolS *sym; | |
4703 | ||
4704 | name = demand_copy_C_string (&len); | |
4705 | sym = symbol_make (name); | |
4706 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 4707 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
4708 | S_SET_STORAGE_CLASS (sym, C_BCOMM); |
4709 | S_SET_VALUE (sym, 0); | |
809ffe0d | 4710 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
4711 | |
4712 | ppc_frob_label (sym); | |
4713 | ||
4714 | demand_empty_rest_of_line (); | |
4715 | } | |
4716 | ||
4717 | /* The .ec pseudo-op. This just creates a C_ECOMM symbol. */ | |
4718 | ||
4719 | static void | |
98027b10 | 4720 | ppc_ec (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4721 | { |
4722 | symbolS *sym; | |
4723 | ||
4724 | sym = symbol_make (".ec"); | |
4725 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 4726 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
4727 | S_SET_STORAGE_CLASS (sym, C_ECOMM); |
4728 | S_SET_VALUE (sym, 0); | |
809ffe0d | 4729 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
4730 | |
4731 | ppc_frob_label (sym); | |
4732 | ||
4733 | demand_empty_rest_of_line (); | |
4734 | } | |
4735 | ||
4736 | /* The .toc pseudo-op. Switch to the .toc subsegment. */ | |
4737 | ||
4738 | static void | |
98027b10 | 4739 | ppc_toc (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4740 | { |
4741 | if (ppc_toc_csect != (symbolS *) NULL) | |
809ffe0d | 4742 | subseg_set (data_section, symbol_get_tc (ppc_toc_csect)->subseg); |
252b5132 RH |
4743 | else |
4744 | { | |
4745 | subsegT subseg; | |
4746 | symbolS *sym; | |
4747 | symbolS *list; | |
81d4177b | 4748 | |
252b5132 RH |
4749 | subseg = ppc_data_subsegment; |
4750 | ++ppc_data_subsegment; | |
4751 | ||
4752 | subseg_new (segment_name (data_section), subseg); | |
4753 | ppc_toc_frag = frag_now; | |
4754 | ||
4755 | sym = symbol_find_or_make ("TOC[TC0]"); | |
809ffe0d | 4756 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
4757 | S_SET_SEGMENT (sym, data_section); |
4758 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); | |
809ffe0d ILT |
4759 | symbol_get_tc (sym)->subseg = subseg; |
4760 | symbol_get_tc (sym)->output = 1; | |
4761 | symbol_get_tc (sym)->within = sym; | |
252b5132 RH |
4762 | |
4763 | ppc_toc_csect = sym; | |
81d4177b | 4764 | |
252b5132 | 4765 | for (list = ppc_data_csects; |
809ffe0d ILT |
4766 | symbol_get_tc (list)->next != (symbolS *) NULL; |
4767 | list = symbol_get_tc (list)->next) | |
252b5132 | 4768 | ; |
809ffe0d | 4769 | symbol_get_tc (list)->next = sym; |
252b5132 RH |
4770 | |
4771 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
4772 | symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP, |
4773 | &symbol_lastP); | |
252b5132 RH |
4774 | } |
4775 | ||
4776 | ppc_current_csect = ppc_toc_csect; | |
4777 | ||
4778 | demand_empty_rest_of_line (); | |
4779 | } | |
4780 | ||
4781 | /* The AIX assembler automatically aligns the operands of a .long or | |
4782 | .short pseudo-op, and we want to be compatible. */ | |
4783 | ||
4784 | static void | |
98027b10 | 4785 | ppc_xcoff_cons (int log_size) |
252b5132 RH |
4786 | { |
4787 | frag_align (log_size, 0, 0); | |
4788 | record_alignment (now_seg, log_size); | |
4789 | cons (1 << log_size); | |
4790 | } | |
4791 | ||
4792 | static void | |
98027b10 | 4793 | ppc_vbyte (int dummy ATTRIBUTE_UNUSED) |
252b5132 RH |
4794 | { |
4795 | expressionS exp; | |
4796 | int byte_count; | |
4797 | ||
4798 | (void) expression (&exp); | |
4799 | ||
4800 | if (exp.X_op != O_constant) | |
4801 | { | |
4802 | as_bad (_("non-constant byte count")); | |
4803 | return; | |
4804 | } | |
4805 | ||
4806 | byte_count = exp.X_add_number; | |
4807 | ||
4808 | if (*input_line_pointer != ',') | |
4809 | { | |
4810 | as_bad (_("missing value")); | |
4811 | return; | |
4812 | } | |
4813 | ||
4814 | ++input_line_pointer; | |
4815 | cons (byte_count); | |
4816 | } | |
4817 | ||
85645aed TG |
4818 | void |
4819 | ppc_xcoff_end (void) | |
4820 | { | |
4821 | int i; | |
4822 | ||
4823 | for (i = 0; i < XCOFF_DWSECT_NBR_NAMES; i++) | |
4824 | { | |
4825 | struct dw_section *dws = &dw_sections[i]; | |
4826 | struct dw_subsection *dwss; | |
4827 | ||
4828 | if (dws->anon_subseg) | |
4829 | { | |
4830 | dwss = dws->anon_subseg; | |
4831 | dwss->link = dws->list_subseg; | |
4832 | } | |
4833 | else | |
4834 | dwss = dws->list_subseg; | |
4835 | ||
4836 | for (; dwss != NULL; dwss = dwss->link) | |
4837 | if (dwss->end_exp.X_add_symbol != NULL) | |
4838 | { | |
4839 | subseg_set (dws->sect, dwss->subseg); | |
4840 | symbol_set_value_now (dwss->end_exp.X_add_symbol); | |
4841 | } | |
4842 | } | |
4843 | } | |
4844 | ||
252b5132 | 4845 | #endif /* OBJ_XCOFF */ |
0baf16f2 | 4846 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
252b5132 RH |
4847 | \f |
4848 | /* The .tc pseudo-op. This is used when generating either XCOFF or | |
4849 | ELF. This takes two or more arguments. | |
4850 | ||
4851 | When generating XCOFF output, the first argument is the name to | |
4852 | give to this location in the toc; this will be a symbol with class | |
0baf16f2 | 4853 | TC. The rest of the arguments are N-byte values to actually put at |
252b5132 | 4854 | this location in the TOC; often there is just one more argument, a |
1049f94e | 4855 | relocatable symbol reference. The size of the value to store |
0baf16f2 AM |
4856 | depends on target word size. A 32-bit target uses 4-byte values, a |
4857 | 64-bit target uses 8-byte values. | |
252b5132 RH |
4858 | |
4859 | When not generating XCOFF output, the arguments are the same, but | |
4860 | the first argument is simply ignored. */ | |
4861 | ||
4862 | static void | |
98027b10 | 4863 | ppc_tc (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4864 | { |
4865 | #ifdef OBJ_XCOFF | |
4866 | ||
4867 | /* Define the TOC symbol name. */ | |
4868 | { | |
4869 | char *name; | |
4870 | char endc; | |
4871 | symbolS *sym; | |
4872 | ||
4873 | if (ppc_toc_csect == (symbolS *) NULL | |
4874 | || ppc_toc_csect != ppc_current_csect) | |
4875 | { | |
4876 | as_bad (_(".tc not in .toc section")); | |
4877 | ignore_rest_of_line (); | |
4878 | return; | |
4879 | } | |
4880 | ||
d02603dc | 4881 | endc = get_symbol_name (&name); |
252b5132 RH |
4882 | |
4883 | sym = symbol_find_or_make (name); | |
4884 | ||
d02603dc | 4885 | (void) restore_line_pointer (endc); |
252b5132 RH |
4886 | |
4887 | if (S_IS_DEFINED (sym)) | |
4888 | { | |
4889 | symbolS *label; | |
4890 | ||
809ffe0d | 4891 | label = symbol_get_tc (ppc_current_csect)->within; |
96d56e9f | 4892 | if (symbol_get_tc (label)->symbol_class != XMC_TC0) |
252b5132 RH |
4893 | { |
4894 | as_bad (_(".tc with no label")); | |
4895 | ignore_rest_of_line (); | |
4896 | return; | |
4897 | } | |
4898 | ||
4899 | S_SET_SEGMENT (label, S_GET_SEGMENT (sym)); | |
809ffe0d | 4900 | symbol_set_frag (label, symbol_get_frag (sym)); |
252b5132 RH |
4901 | S_SET_VALUE (label, S_GET_VALUE (sym)); |
4902 | ||
4903 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
4904 | ++input_line_pointer; | |
4905 | ||
4906 | return; | |
4907 | } | |
4908 | ||
4909 | S_SET_SEGMENT (sym, now_seg); | |
809ffe0d | 4910 | symbol_set_frag (sym, frag_now); |
252b5132 | 4911 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); |
96d56e9f | 4912 | symbol_get_tc (sym)->symbol_class = XMC_TC; |
809ffe0d | 4913 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
4914 | |
4915 | ppc_frob_label (sym); | |
4916 | } | |
4917 | ||
0baf16f2 AM |
4918 | #endif /* OBJ_XCOFF */ |
4919 | #ifdef OBJ_ELF | |
9c7977b3 | 4920 | int align; |
252b5132 RH |
4921 | |
4922 | /* Skip the TOC symbol name. */ | |
4923 | while (is_part_of_name (*input_line_pointer) | |
d13d4015 | 4924 | || *input_line_pointer == ' ' |
252b5132 RH |
4925 | || *input_line_pointer == '[' |
4926 | || *input_line_pointer == ']' | |
4927 | || *input_line_pointer == '{' | |
4928 | || *input_line_pointer == '}') | |
4929 | ++input_line_pointer; | |
4930 | ||
0baf16f2 | 4931 | /* Align to a four/eight byte boundary. */ |
2b3c4602 | 4932 | align = ppc_obj64 ? 3 : 2; |
9c7977b3 AM |
4933 | frag_align (align, 0, 0); |
4934 | record_alignment (now_seg, align); | |
0baf16f2 | 4935 | #endif /* OBJ_ELF */ |
252b5132 RH |
4936 | |
4937 | if (*input_line_pointer != ',') | |
4938 | demand_empty_rest_of_line (); | |
4939 | else | |
4940 | { | |
4941 | ++input_line_pointer; | |
2b3c4602 | 4942 | cons (ppc_obj64 ? 8 : 4); |
252b5132 RH |
4943 | } |
4944 | } | |
0baf16f2 AM |
4945 | |
4946 | /* Pseudo-op .machine. */ | |
0baf16f2 AM |
4947 | |
4948 | static void | |
98027b10 | 4949 | ppc_machine (int ignore ATTRIBUTE_UNUSED) |
0baf16f2 | 4950 | { |
d02603dc | 4951 | char c; |
69c040df AM |
4952 | char *cpu_string; |
4953 | #define MAX_HISTORY 100 | |
fa452fa6 | 4954 | static ppc_cpu_t *cpu_history; |
69c040df AM |
4955 | static int curr_hist; |
4956 | ||
4957 | SKIP_WHITESPACE (); | |
4958 | ||
d02603dc NC |
4959 | c = get_symbol_name (&cpu_string); |
4960 | cpu_string = xstrdup (cpu_string); | |
4961 | (void) restore_line_pointer (c); | |
69c040df AM |
4962 | |
4963 | if (cpu_string != NULL) | |
4964 | { | |
fa452fa6 | 4965 | ppc_cpu_t old_cpu = ppc_cpu; |
69fe9ce5 | 4966 | ppc_cpu_t new_cpu; |
69c040df AM |
4967 | char *p; |
4968 | ||
4969 | for (p = cpu_string; *p != 0; p++) | |
4970 | *p = TOLOWER (*p); | |
4971 | ||
4972 | if (strcmp (cpu_string, "push") == 0) | |
4973 | { | |
4974 | if (cpu_history == NULL) | |
325801bd | 4975 | cpu_history = XNEWVEC (ppc_cpu_t, MAX_HISTORY); |
69c040df AM |
4976 | |
4977 | if (curr_hist >= MAX_HISTORY) | |
4978 | as_bad (_(".machine stack overflow")); | |
4979 | else | |
4980 | cpu_history[curr_hist++] = ppc_cpu; | |
4981 | } | |
4982 | else if (strcmp (cpu_string, "pop") == 0) | |
4983 | { | |
4984 | if (curr_hist <= 0) | |
4985 | as_bad (_(".machine stack underflow")); | |
4986 | else | |
4987 | ppc_cpu = cpu_history[--curr_hist]; | |
4988 | } | |
776fc418 | 4989 | else if ((new_cpu = ppc_parse_cpu (ppc_cpu, &sticky, cpu_string)) != 0) |
69fe9ce5 | 4990 | ppc_cpu = new_cpu; |
69c040df AM |
4991 | else |
4992 | as_bad (_("invalid machine `%s'"), cpu_string); | |
4993 | ||
4994 | if (ppc_cpu != old_cpu) | |
4995 | ppc_setup_opcodes (); | |
4996 | } | |
4997 | ||
4998 | demand_empty_rest_of_line (); | |
0baf16f2 | 4999 | } |
0baf16f2 | 5000 | #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */ |
252b5132 RH |
5001 | \f |
5002 | #ifdef TE_PE | |
5003 | ||
99a814a1 | 5004 | /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */ |
252b5132 RH |
5005 | |
5006 | /* Set the current section. */ | |
5007 | static void | |
98027b10 | 5008 | ppc_set_current_section (segT new) |
252b5132 RH |
5009 | { |
5010 | ppc_previous_section = ppc_current_section; | |
5011 | ppc_current_section = new; | |
5012 | } | |
5013 | ||
5014 | /* pseudo-op: .previous | |
5015 | behaviour: toggles the current section with the previous section. | |
5016 | errors: None | |
99a814a1 AM |
5017 | warnings: "No previous section" */ |
5018 | ||
252b5132 | 5019 | static void |
98027b10 | 5020 | ppc_previous (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 5021 | { |
81d4177b | 5022 | if (ppc_previous_section == NULL) |
252b5132 | 5023 | { |
d6ed37ed | 5024 | as_warn (_("no previous section to return to, ignored.")); |
252b5132 RH |
5025 | return; |
5026 | } | |
5027 | ||
99a814a1 | 5028 | subseg_set (ppc_previous_section, 0); |
252b5132 | 5029 | |
99a814a1 | 5030 | ppc_set_current_section (ppc_previous_section); |
252b5132 RH |
5031 | } |
5032 | ||
5033 | /* pseudo-op: .pdata | |
5034 | behaviour: predefined read only data section | |
b34976b6 | 5035 | double word aligned |
252b5132 RH |
5036 | errors: None |
5037 | warnings: None | |
5038 | initial: .section .pdata "adr3" | |
b34976b6 | 5039 | a - don't know -- maybe a misprint |
252b5132 RH |
5040 | d - initialized data |
5041 | r - readable | |
5042 | 3 - double word aligned (that would be 4 byte boundary) | |
5043 | ||
5044 | commentary: | |
5045 | Tag index tables (also known as the function table) for exception | |
99a814a1 | 5046 | handling, debugging, etc. */ |
252b5132 | 5047 | |
252b5132 | 5048 | static void |
98027b10 | 5049 | ppc_pdata (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 5050 | { |
81d4177b | 5051 | if (pdata_section == 0) |
252b5132 RH |
5052 | { |
5053 | pdata_section = subseg_new (".pdata", 0); | |
81d4177b | 5054 | |
252b5132 RH |
5055 | bfd_set_section_flags (stdoutput, pdata_section, |
5056 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
5057 | | SEC_READONLY | SEC_DATA )); | |
81d4177b | 5058 | |
252b5132 RH |
5059 | bfd_set_section_alignment (stdoutput, pdata_section, 2); |
5060 | } | |
5061 | else | |
5062 | { | |
99a814a1 | 5063 | pdata_section = subseg_new (".pdata", 0); |
252b5132 | 5064 | } |
99a814a1 | 5065 | ppc_set_current_section (pdata_section); |
252b5132 RH |
5066 | } |
5067 | ||
5068 | /* pseudo-op: .ydata | |
5069 | behaviour: predefined read only data section | |
b34976b6 | 5070 | double word aligned |
252b5132 RH |
5071 | errors: None |
5072 | warnings: None | |
5073 | initial: .section .ydata "drw3" | |
b34976b6 | 5074 | a - don't know -- maybe a misprint |
252b5132 RH |
5075 | d - initialized data |
5076 | r - readable | |
5077 | 3 - double word aligned (that would be 4 byte boundary) | |
5078 | commentary: | |
5079 | Tag tables (also known as the scope table) for exception handling, | |
99a814a1 AM |
5080 | debugging, etc. */ |
5081 | ||
252b5132 | 5082 | static void |
98027b10 | 5083 | ppc_ydata (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 5084 | { |
81d4177b | 5085 | if (ydata_section == 0) |
252b5132 RH |
5086 | { |
5087 | ydata_section = subseg_new (".ydata", 0); | |
5088 | bfd_set_section_flags (stdoutput, ydata_section, | |
99a814a1 AM |
5089 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
5090 | | SEC_READONLY | SEC_DATA )); | |
252b5132 RH |
5091 | |
5092 | bfd_set_section_alignment (stdoutput, ydata_section, 3); | |
5093 | } | |
5094 | else | |
5095 | { | |
5096 | ydata_section = subseg_new (".ydata", 0); | |
5097 | } | |
99a814a1 | 5098 | ppc_set_current_section (ydata_section); |
252b5132 RH |
5099 | } |
5100 | ||
5101 | /* pseudo-op: .reldata | |
5102 | behaviour: predefined read write data section | |
b34976b6 | 5103 | double word aligned (4-byte) |
252b5132 RH |
5104 | FIXME: relocation is applied to it |
5105 | FIXME: what's the difference between this and .data? | |
5106 | errors: None | |
5107 | warnings: None | |
5108 | initial: .section .reldata "drw3" | |
5109 | d - initialized data | |
5110 | r - readable | |
33eaf5de | 5111 | w - writable |
252b5132 RH |
5112 | 3 - double word aligned (that would be 8 byte boundary) |
5113 | ||
5114 | commentary: | |
5115 | Like .data, but intended to hold data subject to relocation, such as | |
99a814a1 AM |
5116 | function descriptors, etc. */ |
5117 | ||
252b5132 | 5118 | static void |
98027b10 | 5119 | ppc_reldata (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5120 | { |
5121 | if (reldata_section == 0) | |
5122 | { | |
5123 | reldata_section = subseg_new (".reldata", 0); | |
5124 | ||
5125 | bfd_set_section_flags (stdoutput, reldata_section, | |
99a814a1 AM |
5126 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
5127 | | SEC_DATA)); | |
252b5132 RH |
5128 | |
5129 | bfd_set_section_alignment (stdoutput, reldata_section, 2); | |
5130 | } | |
5131 | else | |
5132 | { | |
5133 | reldata_section = subseg_new (".reldata", 0); | |
5134 | } | |
99a814a1 | 5135 | ppc_set_current_section (reldata_section); |
252b5132 RH |
5136 | } |
5137 | ||
5138 | /* pseudo-op: .rdata | |
5139 | behaviour: predefined read only data section | |
b34976b6 | 5140 | double word aligned |
252b5132 RH |
5141 | errors: None |
5142 | warnings: None | |
5143 | initial: .section .rdata "dr3" | |
5144 | d - initialized data | |
5145 | r - readable | |
99a814a1 AM |
5146 | 3 - double word aligned (that would be 4 byte boundary) */ |
5147 | ||
252b5132 | 5148 | static void |
98027b10 | 5149 | ppc_rdata (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5150 | { |
5151 | if (rdata_section == 0) | |
5152 | { | |
5153 | rdata_section = subseg_new (".rdata", 0); | |
5154 | bfd_set_section_flags (stdoutput, rdata_section, | |
5155 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
5156 | | SEC_READONLY | SEC_DATA )); | |
5157 | ||
5158 | bfd_set_section_alignment (stdoutput, rdata_section, 2); | |
5159 | } | |
5160 | else | |
5161 | { | |
5162 | rdata_section = subseg_new (".rdata", 0); | |
5163 | } | |
99a814a1 | 5164 | ppc_set_current_section (rdata_section); |
252b5132 RH |
5165 | } |
5166 | ||
5167 | /* pseudo-op: .ualong | |
81d4177b | 5168 | behaviour: much like .int, with the exception that no alignment is |
b34976b6 | 5169 | performed. |
252b5132 RH |
5170 | FIXME: test the alignment statement |
5171 | errors: None | |
99a814a1 AM |
5172 | warnings: None */ |
5173 | ||
252b5132 | 5174 | static void |
98027b10 | 5175 | ppc_ualong (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 5176 | { |
99a814a1 AM |
5177 | /* Try for long. */ |
5178 | cons (4); | |
252b5132 RH |
5179 | } |
5180 | ||
5181 | /* pseudo-op: .znop <symbol name> | |
5182 | behaviour: Issue a nop instruction | |
b34976b6 | 5183 | Issue a IMAGE_REL_PPC_IFGLUE relocation against it, using |
252b5132 RH |
5184 | the supplied symbol name. |
5185 | errors: None | |
99a814a1 AM |
5186 | warnings: Missing symbol name */ |
5187 | ||
252b5132 | 5188 | static void |
98027b10 | 5189 | ppc_znop (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5190 | { |
5191 | unsigned long insn; | |
5192 | const struct powerpc_opcode *opcode; | |
252b5132 | 5193 | char *f; |
252b5132 | 5194 | symbolS *sym; |
252b5132 RH |
5195 | char *symbol_name; |
5196 | char c; | |
5197 | char *name; | |
252b5132 | 5198 | |
99a814a1 | 5199 | /* Strip out the symbol name. */ |
d02603dc | 5200 | c = get_symbol_name (&symbol_name); |
252b5132 | 5201 | |
a44e2901 | 5202 | name = xstrdup (symbol_name); |
252b5132 RH |
5203 | |
5204 | sym = symbol_find_or_make (name); | |
5205 | ||
5206 | *input_line_pointer = c; | |
5207 | ||
d02603dc | 5208 | SKIP_WHITESPACE_AFTER_NAME (); |
252b5132 RH |
5209 | |
5210 | /* Look up the opcode in the hash table. */ | |
5211 | opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, "nop"); | |
5212 | ||
99a814a1 | 5213 | /* Stick in the nop. */ |
252b5132 RH |
5214 | insn = opcode->opcode; |
5215 | ||
5216 | /* Write out the instruction. */ | |
5217 | f = frag_more (4); | |
5218 | md_number_to_chars (f, insn, 4); | |
5219 | fix_new (frag_now, | |
5220 | f - frag_now->fr_literal, | |
5221 | 4, | |
5222 | sym, | |
5223 | 0, | |
5224 | 0, | |
5225 | BFD_RELOC_16_GOT_PCREL); | |
5226 | ||
5227 | } | |
5228 | ||
81d4177b KH |
5229 | /* pseudo-op: |
5230 | behaviour: | |
5231 | errors: | |
99a814a1 AM |
5232 | warnings: */ |
5233 | ||
252b5132 | 5234 | static void |
98027b10 | 5235 | ppc_pe_comm (int lcomm) |
252b5132 | 5236 | { |
98027b10 AM |
5237 | char *name; |
5238 | char c; | |
5239 | char *p; | |
252b5132 | 5240 | offsetT temp; |
98027b10 | 5241 | symbolS *symbolP; |
252b5132 RH |
5242 | offsetT align; |
5243 | ||
d02603dc | 5244 | c = get_symbol_name (&name); |
252b5132 | 5245 | |
99a814a1 | 5246 | /* just after name is now '\0'. */ |
252b5132 RH |
5247 | p = input_line_pointer; |
5248 | *p = c; | |
d02603dc | 5249 | SKIP_WHITESPACE_AFTER_NAME (); |
252b5132 RH |
5250 | if (*input_line_pointer != ',') |
5251 | { | |
d6ed37ed | 5252 | as_bad (_("expected comma after symbol-name: rest of line ignored.")); |
252b5132 RH |
5253 | ignore_rest_of_line (); |
5254 | return; | |
5255 | } | |
5256 | ||
5257 | input_line_pointer++; /* skip ',' */ | |
5258 | if ((temp = get_absolute_expression ()) < 0) | |
5259 | { | |
5260 | as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) temp); | |
5261 | ignore_rest_of_line (); | |
5262 | return; | |
5263 | } | |
5264 | ||
5265 | if (! lcomm) | |
5266 | { | |
5267 | /* The third argument to .comm is the alignment. */ | |
5268 | if (*input_line_pointer != ',') | |
5269 | align = 3; | |
5270 | else | |
5271 | { | |
5272 | ++input_line_pointer; | |
5273 | align = get_absolute_expression (); | |
5274 | if (align <= 0) | |
5275 | { | |
5276 | as_warn (_("ignoring bad alignment")); | |
5277 | align = 3; | |
5278 | } | |
5279 | } | |
5280 | } | |
5281 | ||
5282 | *p = 0; | |
5283 | symbolP = symbol_find_or_make (name); | |
5284 | ||
5285 | *p = c; | |
5286 | if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP)) | |
5287 | { | |
d6ed37ed | 5288 | as_bad (_("ignoring attempt to re-define symbol `%s'."), |
252b5132 RH |
5289 | S_GET_NAME (symbolP)); |
5290 | ignore_rest_of_line (); | |
5291 | return; | |
5292 | } | |
5293 | ||
5294 | if (S_GET_VALUE (symbolP)) | |
5295 | { | |
5296 | if (S_GET_VALUE (symbolP) != (valueT) temp) | |
d6ed37ed | 5297 | as_bad (_("length of .comm \"%s\" is already %ld. Not changed to %ld."), |
252b5132 RH |
5298 | S_GET_NAME (symbolP), |
5299 | (long) S_GET_VALUE (symbolP), | |
5300 | (long) temp); | |
5301 | } | |
5302 | else | |
5303 | { | |
5304 | S_SET_VALUE (symbolP, (valueT) temp); | |
5305 | S_SET_EXTERNAL (symbolP); | |
86ebace2 | 5306 | S_SET_SEGMENT (symbolP, bfd_com_section_ptr); |
252b5132 RH |
5307 | } |
5308 | ||
5309 | demand_empty_rest_of_line (); | |
5310 | } | |
5311 | ||
5312 | /* | |
5313 | * implement the .section pseudo op: | |
5314 | * .section name {, "flags"} | |
5315 | * ^ ^ | |
5316 | * | +--- optional flags: 'b' for bss | |
5317 | * | 'i' for info | |
5318 | * +-- section name 'l' for lib | |
5319 | * 'n' for noload | |
5320 | * 'o' for over | |
5321 | * 'w' for data | |
5322 | * 'd' (apparently m88k for data) | |
5323 | * 'x' for text | |
5324 | * But if the argument is not a quoted string, treat it as a | |
5325 | * subsegment number. | |
5326 | * | |
5327 | * FIXME: this is a copy of the section processing from obj-coff.c, with | |
5328 | * additions/changes for the moto-pas assembler support. There are three | |
5329 | * categories: | |
5330 | * | |
81d4177b | 5331 | * FIXME: I just noticed this. This doesn't work at all really. It it |
252b5132 RH |
5332 | * setting bits that bfd probably neither understands or uses. The |
5333 | * correct approach (?) will have to incorporate extra fields attached | |
5334 | * to the section to hold the system specific stuff. (krk) | |
5335 | * | |
5336 | * Section Contents: | |
5337 | * 'a' - unknown - referred to in documentation, but no definition supplied | |
5338 | * 'c' - section has code | |
5339 | * 'd' - section has initialized data | |
5340 | * 'u' - section has uninitialized data | |
5341 | * 'i' - section contains directives (info) | |
5342 | * 'n' - section can be discarded | |
5343 | * 'R' - remove section at link time | |
5344 | * | |
5345 | * Section Protection: | |
5346 | * 'r' - section is readable | |
33eaf5de | 5347 | * 'w' - section is writable |
252b5132 RH |
5348 | * 'x' - section is executable |
5349 | * 's' - section is sharable | |
5350 | * | |
5351 | * Section Alignment: | |
5352 | * '0' - align to byte boundary | |
33eaf5de | 5353 | * '1' - align to halfword boundary |
252b5132 RH |
5354 | * '2' - align to word boundary |
5355 | * '3' - align to doubleword boundary | |
5356 | * '4' - align to quadword boundary | |
5357 | * '5' - align to 32 byte boundary | |
5358 | * '6' - align to 64 byte boundary | |
5359 | * | |
5360 | */ | |
5361 | ||
5362 | void | |
98027b10 | 5363 | ppc_pe_section (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 5364 | { |
99a814a1 | 5365 | /* Strip out the section name. */ |
252b5132 RH |
5366 | char *section_name; |
5367 | char c; | |
5368 | char *name; | |
5369 | unsigned int exp; | |
5370 | flagword flags; | |
5371 | segT sec; | |
5372 | int align; | |
5373 | ||
d02603dc | 5374 | c = get_symbol_name (§ion_name); |
252b5132 | 5375 | |
a44e2901 | 5376 | name = xstrdup (section_name); |
252b5132 RH |
5377 | |
5378 | *input_line_pointer = c; | |
5379 | ||
d02603dc | 5380 | SKIP_WHITESPACE_AFTER_NAME (); |
252b5132 RH |
5381 | |
5382 | exp = 0; | |
5383 | flags = SEC_NO_FLAGS; | |
5384 | ||
5385 | if (strcmp (name, ".idata$2") == 0) | |
5386 | { | |
5387 | align = 0; | |
5388 | } | |
5389 | else if (strcmp (name, ".idata$3") == 0) | |
5390 | { | |
5391 | align = 0; | |
5392 | } | |
5393 | else if (strcmp (name, ".idata$4") == 0) | |
5394 | { | |
5395 | align = 2; | |
5396 | } | |
5397 | else if (strcmp (name, ".idata$5") == 0) | |
5398 | { | |
5399 | align = 2; | |
5400 | } | |
5401 | else if (strcmp (name, ".idata$6") == 0) | |
5402 | { | |
5403 | align = 1; | |
5404 | } | |
5405 | else | |
99a814a1 AM |
5406 | /* Default alignment to 16 byte boundary. */ |
5407 | align = 4; | |
252b5132 RH |
5408 | |
5409 | if (*input_line_pointer == ',') | |
5410 | { | |
5411 | ++input_line_pointer; | |
5412 | SKIP_WHITESPACE (); | |
5413 | if (*input_line_pointer != '"') | |
5414 | exp = get_absolute_expression (); | |
5415 | else | |
5416 | { | |
5417 | ++input_line_pointer; | |
5418 | while (*input_line_pointer != '"' | |
5419 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
5420 | { | |
5421 | switch (*input_line_pointer) | |
5422 | { | |
5423 | /* Section Contents */ | |
5424 | case 'a': /* unknown */ | |
d6ed37ed | 5425 | as_bad (_("unsupported section attribute -- 'a'")); |
252b5132 RH |
5426 | break; |
5427 | case 'c': /* code section */ | |
81d4177b | 5428 | flags |= SEC_CODE; |
252b5132 RH |
5429 | break; |
5430 | case 'd': /* section has initialized data */ | |
5431 | flags |= SEC_DATA; | |
5432 | break; | |
5433 | case 'u': /* section has uninitialized data */ | |
5434 | /* FIXME: This is IMAGE_SCN_CNT_UNINITIALIZED_DATA | |
5435 | in winnt.h */ | |
5436 | flags |= SEC_ROM; | |
5437 | break; | |
5438 | case 'i': /* section contains directives (info) */ | |
5439 | /* FIXME: This is IMAGE_SCN_LNK_INFO | |
5440 | in winnt.h */ | |
5441 | flags |= SEC_HAS_CONTENTS; | |
5442 | break; | |
5443 | case 'n': /* section can be discarded */ | |
81d4177b | 5444 | flags &=~ SEC_LOAD; |
252b5132 RH |
5445 | break; |
5446 | case 'R': /* Remove section at link time */ | |
5447 | flags |= SEC_NEVER_LOAD; | |
5448 | break; | |
8d452c78 | 5449 | #if IFLICT_BRAIN_DAMAGE |
252b5132 RH |
5450 | /* Section Protection */ |
5451 | case 'r': /* section is readable */ | |
5452 | flags |= IMAGE_SCN_MEM_READ; | |
5453 | break; | |
33eaf5de | 5454 | case 'w': /* section is writable */ |
252b5132 RH |
5455 | flags |= IMAGE_SCN_MEM_WRITE; |
5456 | break; | |
5457 | case 'x': /* section is executable */ | |
5458 | flags |= IMAGE_SCN_MEM_EXECUTE; | |
5459 | break; | |
5460 | case 's': /* section is sharable */ | |
5461 | flags |= IMAGE_SCN_MEM_SHARED; | |
5462 | break; | |
5463 | ||
5464 | /* Section Alignment */ | |
5465 | case '0': /* align to byte boundary */ | |
5466 | flags |= IMAGE_SCN_ALIGN_1BYTES; | |
5467 | align = 0; | |
5468 | break; | |
5469 | case '1': /* align to halfword boundary */ | |
5470 | flags |= IMAGE_SCN_ALIGN_2BYTES; | |
5471 | align = 1; | |
5472 | break; | |
5473 | case '2': /* align to word boundary */ | |
5474 | flags |= IMAGE_SCN_ALIGN_4BYTES; | |
5475 | align = 2; | |
5476 | break; | |
5477 | case '3': /* align to doubleword boundary */ | |
5478 | flags |= IMAGE_SCN_ALIGN_8BYTES; | |
5479 | align = 3; | |
5480 | break; | |
5481 | case '4': /* align to quadword boundary */ | |
5482 | flags |= IMAGE_SCN_ALIGN_16BYTES; | |
5483 | align = 4; | |
5484 | break; | |
5485 | case '5': /* align to 32 byte boundary */ | |
5486 | flags |= IMAGE_SCN_ALIGN_32BYTES; | |
5487 | align = 5; | |
5488 | break; | |
5489 | case '6': /* align to 64 byte boundary */ | |
5490 | flags |= IMAGE_SCN_ALIGN_64BYTES; | |
5491 | align = 6; | |
5492 | break; | |
8d452c78 | 5493 | #endif |
252b5132 | 5494 | default: |
99a814a1 AM |
5495 | as_bad (_("unknown section attribute '%c'"), |
5496 | *input_line_pointer); | |
252b5132 RH |
5497 | break; |
5498 | } | |
5499 | ++input_line_pointer; | |
5500 | } | |
5501 | if (*input_line_pointer == '"') | |
5502 | ++input_line_pointer; | |
5503 | } | |
5504 | } | |
5505 | ||
5506 | sec = subseg_new (name, (subsegT) exp); | |
5507 | ||
99a814a1 | 5508 | ppc_set_current_section (sec); |
252b5132 RH |
5509 | |
5510 | if (flags != SEC_NO_FLAGS) | |
5511 | { | |
5512 | if (! bfd_set_section_flags (stdoutput, sec, flags)) | |
5513 | as_bad (_("error setting flags for \"%s\": %s"), | |
5514 | bfd_section_name (stdoutput, sec), | |
5515 | bfd_errmsg (bfd_get_error ())); | |
5516 | } | |
5517 | ||
99a814a1 | 5518 | bfd_set_section_alignment (stdoutput, sec, align); |
252b5132 RH |
5519 | } |
5520 | ||
5521 | static void | |
98027b10 | 5522 | ppc_pe_function (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5523 | { |
5524 | char *name; | |
5525 | char endc; | |
5526 | symbolS *ext_sym; | |
5527 | ||
d02603dc | 5528 | endc = get_symbol_name (&name); |
252b5132 RH |
5529 | |
5530 | ext_sym = symbol_find_or_make (name); | |
5531 | ||
d02603dc | 5532 | (void) restore_line_pointer (endc); |
252b5132 RH |
5533 | |
5534 | S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT); | |
5535 | SF_SET_FUNCTION (ext_sym); | |
5536 | SF_SET_PROCESS (ext_sym); | |
5537 | coff_add_linesym (ext_sym); | |
5538 | ||
5539 | demand_empty_rest_of_line (); | |
5540 | } | |
5541 | ||
5542 | static void | |
98027b10 | 5543 | ppc_pe_tocd (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5544 | { |
5545 | if (tocdata_section == 0) | |
5546 | { | |
5547 | tocdata_section = subseg_new (".tocd", 0); | |
99a814a1 | 5548 | /* FIXME: section flags won't work. */ |
252b5132 RH |
5549 | bfd_set_section_flags (stdoutput, tocdata_section, |
5550 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
99a814a1 | 5551 | | SEC_READONLY | SEC_DATA)); |
252b5132 RH |
5552 | |
5553 | bfd_set_section_alignment (stdoutput, tocdata_section, 2); | |
5554 | } | |
5555 | else | |
5556 | { | |
5557 | rdata_section = subseg_new (".tocd", 0); | |
5558 | } | |
5559 | ||
99a814a1 | 5560 | ppc_set_current_section (tocdata_section); |
252b5132 RH |
5561 | |
5562 | demand_empty_rest_of_line (); | |
5563 | } | |
5564 | ||
5565 | /* Don't adjust TOC relocs to use the section symbol. */ | |
5566 | ||
5567 | int | |
98027b10 | 5568 | ppc_pe_fix_adjustable (fixS *fix) |
252b5132 RH |
5569 | { |
5570 | return fix->fx_r_type != BFD_RELOC_PPC_TOC16; | |
5571 | } | |
5572 | ||
5573 | #endif | |
5574 | \f | |
5575 | #ifdef OBJ_XCOFF | |
5576 | ||
5577 | /* XCOFF specific symbol and file handling. */ | |
5578 | ||
5579 | /* Canonicalize the symbol name. We use the to force the suffix, if | |
5580 | any, to use square brackets, and to be in upper case. */ | |
5581 | ||
5582 | char * | |
98027b10 | 5583 | ppc_canonicalize_symbol_name (char *name) |
252b5132 RH |
5584 | { |
5585 | char *s; | |
5586 | ||
5587 | if (ppc_stab_symbol) | |
5588 | return name; | |
5589 | ||
5590 | for (s = name; *s != '\0' && *s != '{' && *s != '['; s++) | |
5591 | ; | |
5592 | if (*s != '\0') | |
5593 | { | |
5594 | char brac; | |
5595 | ||
5596 | if (*s == '[') | |
5597 | brac = ']'; | |
5598 | else | |
5599 | { | |
5600 | *s = '['; | |
5601 | brac = '}'; | |
5602 | } | |
5603 | ||
5604 | for (s++; *s != '\0' && *s != brac; s++) | |
3882b010 | 5605 | *s = TOUPPER (*s); |
252b5132 RH |
5606 | |
5607 | if (*s == '\0' || s[1] != '\0') | |
5608 | as_bad (_("bad symbol suffix")); | |
5609 | ||
5610 | *s = ']'; | |
5611 | } | |
5612 | ||
5613 | return name; | |
5614 | } | |
5615 | ||
5616 | /* Set the class of a symbol based on the suffix, if any. This is | |
5617 | called whenever a new symbol is created. */ | |
5618 | ||
5619 | void | |
98027b10 | 5620 | ppc_symbol_new_hook (symbolS *sym) |
252b5132 | 5621 | { |
809ffe0d | 5622 | struct ppc_tc_sy *tc; |
252b5132 RH |
5623 | const char *s; |
5624 | ||
809ffe0d ILT |
5625 | tc = symbol_get_tc (sym); |
5626 | tc->next = NULL; | |
5627 | tc->output = 0; | |
96d56e9f | 5628 | tc->symbol_class = -1; |
809ffe0d ILT |
5629 | tc->real_name = NULL; |
5630 | tc->subseg = 0; | |
5631 | tc->align = 0; | |
85645aed TG |
5632 | tc->u.size = NULL; |
5633 | tc->u.dw = NULL; | |
809ffe0d | 5634 | tc->within = NULL; |
252b5132 RH |
5635 | |
5636 | if (ppc_stab_symbol) | |
5637 | return; | |
5638 | ||
5639 | s = strchr (S_GET_NAME (sym), '['); | |
5640 | if (s == (const char *) NULL) | |
5641 | { | |
5642 | /* There is no suffix. */ | |
5643 | return; | |
5644 | } | |
5645 | ||
5646 | ++s; | |
5647 | ||
5648 | switch (s[0]) | |
5649 | { | |
5650 | case 'B': | |
5651 | if (strcmp (s, "BS]") == 0) | |
96d56e9f | 5652 | tc->symbol_class = XMC_BS; |
252b5132 RH |
5653 | break; |
5654 | case 'D': | |
5655 | if (strcmp (s, "DB]") == 0) | |
96d56e9f | 5656 | tc->symbol_class = XMC_DB; |
252b5132 | 5657 | else if (strcmp (s, "DS]") == 0) |
96d56e9f | 5658 | tc->symbol_class = XMC_DS; |
252b5132 RH |
5659 | break; |
5660 | case 'G': | |
5661 | if (strcmp (s, "GL]") == 0) | |
96d56e9f | 5662 | tc->symbol_class = XMC_GL; |
252b5132 RH |
5663 | break; |
5664 | case 'P': | |
5665 | if (strcmp (s, "PR]") == 0) | |
96d56e9f | 5666 | tc->symbol_class = XMC_PR; |
252b5132 RH |
5667 | break; |
5668 | case 'R': | |
5669 | if (strcmp (s, "RO]") == 0) | |
96d56e9f | 5670 | tc->symbol_class = XMC_RO; |
252b5132 | 5671 | else if (strcmp (s, "RW]") == 0) |
96d56e9f | 5672 | tc->symbol_class = XMC_RW; |
252b5132 RH |
5673 | break; |
5674 | case 'S': | |
5675 | if (strcmp (s, "SV]") == 0) | |
96d56e9f | 5676 | tc->symbol_class = XMC_SV; |
252b5132 RH |
5677 | break; |
5678 | case 'T': | |
5679 | if (strcmp (s, "TC]") == 0) | |
96d56e9f | 5680 | tc->symbol_class = XMC_TC; |
252b5132 | 5681 | else if (strcmp (s, "TI]") == 0) |
96d56e9f | 5682 | tc->symbol_class = XMC_TI; |
252b5132 | 5683 | else if (strcmp (s, "TB]") == 0) |
96d56e9f | 5684 | tc->symbol_class = XMC_TB; |
252b5132 | 5685 | else if (strcmp (s, "TC0]") == 0 || strcmp (s, "T0]") == 0) |
96d56e9f | 5686 | tc->symbol_class = XMC_TC0; |
252b5132 RH |
5687 | break; |
5688 | case 'U': | |
5689 | if (strcmp (s, "UA]") == 0) | |
96d56e9f | 5690 | tc->symbol_class = XMC_UA; |
252b5132 | 5691 | else if (strcmp (s, "UC]") == 0) |
96d56e9f | 5692 | tc->symbol_class = XMC_UC; |
252b5132 RH |
5693 | break; |
5694 | case 'X': | |
5695 | if (strcmp (s, "XO]") == 0) | |
96d56e9f | 5696 | tc->symbol_class = XMC_XO; |
252b5132 RH |
5697 | break; |
5698 | } | |
5699 | ||
96d56e9f | 5700 | if (tc->symbol_class == -1) |
d6ed37ed | 5701 | as_bad (_("unrecognized symbol suffix")); |
252b5132 RH |
5702 | } |
5703 | ||
5704 | /* Set the class of a label based on where it is defined. This | |
5705 | handles symbols without suffixes. Also, move the symbol so that it | |
5706 | follows the csect symbol. */ | |
5707 | ||
5708 | void | |
98027b10 | 5709 | ppc_frob_label (symbolS *sym) |
252b5132 RH |
5710 | { |
5711 | if (ppc_current_csect != (symbolS *) NULL) | |
5712 | { | |
96d56e9f NC |
5713 | if (symbol_get_tc (sym)->symbol_class == -1) |
5714 | symbol_get_tc (sym)->symbol_class = symbol_get_tc (ppc_current_csect)->symbol_class; | |
252b5132 RH |
5715 | |
5716 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
5717 | symbol_append (sym, symbol_get_tc (ppc_current_csect)->within, |
5718 | &symbol_rootP, &symbol_lastP); | |
5719 | symbol_get_tc (ppc_current_csect)->within = sym; | |
2fb4b302 | 5720 | symbol_get_tc (sym)->within = ppc_current_csect; |
252b5132 | 5721 | } |
07a53e5c RH |
5722 | |
5723 | #ifdef OBJ_ELF | |
5724 | dwarf2_emit_label (sym); | |
5725 | #endif | |
252b5132 RH |
5726 | } |
5727 | ||
5728 | /* This variable is set by ppc_frob_symbol if any absolute symbols are | |
5729 | seen. It tells ppc_adjust_symtab whether it needs to look through | |
5730 | the symbols. */ | |
5731 | ||
b34976b6 | 5732 | static bfd_boolean ppc_saw_abs; |
252b5132 RH |
5733 | |
5734 | /* Change the name of a symbol just before writing it out. Set the | |
5735 | real name if the .rename pseudo-op was used. Otherwise, remove any | |
5736 | class suffix. Return 1 if the symbol should not be included in the | |
5737 | symbol table. */ | |
5738 | ||
5739 | int | |
98027b10 | 5740 | ppc_frob_symbol (symbolS *sym) |
252b5132 RH |
5741 | { |
5742 | static symbolS *ppc_last_function; | |
5743 | static symbolS *set_end; | |
5744 | ||
5745 | /* Discard symbols that should not be included in the output symbol | |
5746 | table. */ | |
809ffe0d ILT |
5747 | if (! symbol_used_in_reloc_p (sym) |
5748 | && ((symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) != 0 | |
670ec21d | 5749 | || (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym)) |
809ffe0d | 5750 | && ! symbol_get_tc (sym)->output |
252b5132 RH |
5751 | && S_GET_STORAGE_CLASS (sym) != C_FILE))) |
5752 | return 1; | |
5753 | ||
a161fe53 AM |
5754 | /* This one will disappear anyway. Don't make a csect sym for it. */ |
5755 | if (sym == abs_section_sym) | |
5756 | return 1; | |
5757 | ||
809ffe0d ILT |
5758 | if (symbol_get_tc (sym)->real_name != (char *) NULL) |
5759 | S_SET_NAME (sym, symbol_get_tc (sym)->real_name); | |
252b5132 RH |
5760 | else |
5761 | { | |
5762 | const char *name; | |
5763 | const char *s; | |
5764 | ||
5765 | name = S_GET_NAME (sym); | |
5766 | s = strchr (name, '['); | |
5767 | if (s != (char *) NULL) | |
5768 | { | |
5769 | unsigned int len; | |
5770 | char *snew; | |
5771 | ||
5772 | len = s - name; | |
a44e2901 | 5773 | snew = xstrndup (name, len); |
252b5132 RH |
5774 | |
5775 | S_SET_NAME (sym, snew); | |
5776 | } | |
5777 | } | |
5778 | ||
5779 | if (set_end != (symbolS *) NULL) | |
5780 | { | |
5781 | SA_SET_SYM_ENDNDX (set_end, sym); | |
5782 | set_end = NULL; | |
5783 | } | |
5784 | ||
5785 | if (SF_GET_FUNCTION (sym)) | |
5786 | { | |
5787 | if (ppc_last_function != (symbolS *) NULL) | |
5788 | as_bad (_("two .function pseudo-ops with no intervening .ef")); | |
5789 | ppc_last_function = sym; | |
85645aed | 5790 | if (symbol_get_tc (sym)->u.size != (symbolS *) NULL) |
252b5132 | 5791 | { |
85645aed | 5792 | resolve_symbol_value (symbol_get_tc (sym)->u.size); |
809ffe0d | 5793 | SA_SET_SYM_FSIZE (sym, |
85645aed | 5794 | (long) S_GET_VALUE (symbol_get_tc (sym)->u.size)); |
252b5132 RH |
5795 | } |
5796 | } | |
5797 | else if (S_GET_STORAGE_CLASS (sym) == C_FCN | |
5798 | && strcmp (S_GET_NAME (sym), ".ef") == 0) | |
5799 | { | |
5800 | if (ppc_last_function == (symbolS *) NULL) | |
5801 | as_bad (_(".ef with no preceding .function")); | |
5802 | else | |
5803 | { | |
5804 | set_end = ppc_last_function; | |
5805 | ppc_last_function = NULL; | |
5806 | ||
5807 | /* We don't have a C_EFCN symbol, but we need to force the | |
5808 | COFF backend to believe that it has seen one. */ | |
5809 | coff_last_function = NULL; | |
5810 | } | |
5811 | } | |
5812 | ||
670ec21d | 5813 | if (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym)) |
809ffe0d | 5814 | && (symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) == 0 |
252b5132 RH |
5815 | && S_GET_STORAGE_CLASS (sym) != C_FILE |
5816 | && S_GET_STORAGE_CLASS (sym) != C_FCN | |
5817 | && S_GET_STORAGE_CLASS (sym) != C_BLOCK | |
5818 | && S_GET_STORAGE_CLASS (sym) != C_BSTAT | |
5819 | && S_GET_STORAGE_CLASS (sym) != C_ESTAT | |
5820 | && S_GET_STORAGE_CLASS (sym) != C_BINCL | |
5821 | && S_GET_STORAGE_CLASS (sym) != C_EINCL | |
5822 | && S_GET_SEGMENT (sym) != ppc_coff_debug_section) | |
5823 | S_SET_STORAGE_CLASS (sym, C_HIDEXT); | |
5824 | ||
5825 | if (S_GET_STORAGE_CLASS (sym) == C_EXT | |
8602d4fe | 5826 | || S_GET_STORAGE_CLASS (sym) == C_AIX_WEAKEXT |
252b5132 RH |
5827 | || S_GET_STORAGE_CLASS (sym) == C_HIDEXT) |
5828 | { | |
5829 | int i; | |
5830 | union internal_auxent *a; | |
5831 | ||
5832 | /* Create a csect aux. */ | |
5833 | i = S_GET_NUMBER_AUXILIARY (sym); | |
5834 | S_SET_NUMBER_AUXILIARY (sym, i + 1); | |
809ffe0d | 5835 | a = &coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].u.auxent; |
96d56e9f | 5836 | if (symbol_get_tc (sym)->symbol_class == XMC_TC0) |
252b5132 RH |
5837 | { |
5838 | /* This is the TOC table. */ | |
5839 | know (strcmp (S_GET_NAME (sym), "TOC") == 0); | |
5840 | a->x_csect.x_scnlen.l = 0; | |
5841 | a->x_csect.x_smtyp = (2 << 3) | XTY_SD; | |
5842 | } | |
809ffe0d | 5843 | else if (symbol_get_tc (sym)->subseg != 0) |
252b5132 RH |
5844 | { |
5845 | /* This is a csect symbol. x_scnlen is the size of the | |
5846 | csect. */ | |
809ffe0d | 5847 | if (symbol_get_tc (sym)->next == (symbolS *) NULL) |
252b5132 RH |
5848 | a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput, |
5849 | S_GET_SEGMENT (sym)) | |
5850 | - S_GET_VALUE (sym)); | |
5851 | else | |
5852 | { | |
6386f3a7 | 5853 | resolve_symbol_value (symbol_get_tc (sym)->next); |
809ffe0d | 5854 | a->x_csect.x_scnlen.l = (S_GET_VALUE (symbol_get_tc (sym)->next) |
252b5132 RH |
5855 | - S_GET_VALUE (sym)); |
5856 | } | |
809ffe0d | 5857 | a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_SD; |
252b5132 RH |
5858 | } |
5859 | else if (S_GET_SEGMENT (sym) == bss_section) | |
5860 | { | |
5861 | /* This is a common symbol. */ | |
809ffe0d ILT |
5862 | a->x_csect.x_scnlen.l = symbol_get_frag (sym)->fr_offset; |
5863 | a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_CM; | |
252b5132 | 5864 | if (S_IS_EXTERNAL (sym)) |
96d56e9f | 5865 | symbol_get_tc (sym)->symbol_class = XMC_RW; |
252b5132 | 5866 | else |
96d56e9f | 5867 | symbol_get_tc (sym)->symbol_class = XMC_BS; |
252b5132 RH |
5868 | } |
5869 | else if (S_GET_SEGMENT (sym) == absolute_section) | |
5870 | { | |
5871 | /* This is an absolute symbol. The csect will be created by | |
99a814a1 | 5872 | ppc_adjust_symtab. */ |
b34976b6 | 5873 | ppc_saw_abs = TRUE; |
252b5132 | 5874 | a->x_csect.x_smtyp = XTY_LD; |
96d56e9f NC |
5875 | if (symbol_get_tc (sym)->symbol_class == -1) |
5876 | symbol_get_tc (sym)->symbol_class = XMC_XO; | |
252b5132 RH |
5877 | } |
5878 | else if (! S_IS_DEFINED (sym)) | |
5879 | { | |
5880 | /* This is an external symbol. */ | |
5881 | a->x_csect.x_scnlen.l = 0; | |
5882 | a->x_csect.x_smtyp = XTY_ER; | |
5883 | } | |
96d56e9f | 5884 | else if (symbol_get_tc (sym)->symbol_class == XMC_TC) |
252b5132 RH |
5885 | { |
5886 | symbolS *next; | |
5887 | ||
5888 | /* This is a TOC definition. x_scnlen is the size of the | |
5889 | TOC entry. */ | |
5890 | next = symbol_next (sym); | |
96d56e9f | 5891 | while (symbol_get_tc (next)->symbol_class == XMC_TC0) |
252b5132 RH |
5892 | next = symbol_next (next); |
5893 | if (next == (symbolS *) NULL | |
96d56e9f | 5894 | || symbol_get_tc (next)->symbol_class != XMC_TC) |
252b5132 RH |
5895 | { |
5896 | if (ppc_after_toc_frag == (fragS *) NULL) | |
5897 | a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput, | |
5898 | data_section) | |
5899 | - S_GET_VALUE (sym)); | |
5900 | else | |
5901 | a->x_csect.x_scnlen.l = (ppc_after_toc_frag->fr_address | |
5902 | - S_GET_VALUE (sym)); | |
5903 | } | |
5904 | else | |
5905 | { | |
6386f3a7 | 5906 | resolve_symbol_value (next); |
252b5132 RH |
5907 | a->x_csect.x_scnlen.l = (S_GET_VALUE (next) |
5908 | - S_GET_VALUE (sym)); | |
5909 | } | |
5910 | a->x_csect.x_smtyp = (2 << 3) | XTY_SD; | |
5911 | } | |
5912 | else | |
5913 | { | |
5914 | symbolS *csect; | |
5915 | ||
5916 | /* This is a normal symbol definition. x_scnlen is the | |
5917 | symbol index of the containing csect. */ | |
5918 | if (S_GET_SEGMENT (sym) == text_section) | |
5919 | csect = ppc_text_csects; | |
5920 | else if (S_GET_SEGMENT (sym) == data_section) | |
5921 | csect = ppc_data_csects; | |
5922 | else | |
5923 | abort (); | |
5924 | ||
5925 | /* Skip the initial dummy symbol. */ | |
809ffe0d | 5926 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
5927 | |
5928 | if (csect == (symbolS *) NULL) | |
5929 | { | |
5930 | as_warn (_("warning: symbol %s has no csect"), S_GET_NAME (sym)); | |
5931 | a->x_csect.x_scnlen.l = 0; | |
5932 | } | |
5933 | else | |
5934 | { | |
809ffe0d | 5935 | while (symbol_get_tc (csect)->next != (symbolS *) NULL) |
252b5132 | 5936 | { |
6386f3a7 | 5937 | resolve_symbol_value (symbol_get_tc (csect)->next); |
809ffe0d ILT |
5938 | if (S_GET_VALUE (symbol_get_tc (csect)->next) |
5939 | > S_GET_VALUE (sym)) | |
252b5132 | 5940 | break; |
809ffe0d | 5941 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
5942 | } |
5943 | ||
809ffe0d ILT |
5944 | a->x_csect.x_scnlen.p = |
5945 | coffsymbol (symbol_get_bfdsym (csect))->native; | |
5946 | coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].fix_scnlen = | |
5947 | 1; | |
252b5132 RH |
5948 | } |
5949 | a->x_csect.x_smtyp = XTY_LD; | |
5950 | } | |
81d4177b | 5951 | |
252b5132 RH |
5952 | a->x_csect.x_parmhash = 0; |
5953 | a->x_csect.x_snhash = 0; | |
96d56e9f | 5954 | if (symbol_get_tc (sym)->symbol_class == -1) |
252b5132 RH |
5955 | a->x_csect.x_smclas = XMC_PR; |
5956 | else | |
96d56e9f | 5957 | a->x_csect.x_smclas = symbol_get_tc (sym)->symbol_class; |
252b5132 RH |
5958 | a->x_csect.x_stab = 0; |
5959 | a->x_csect.x_snstab = 0; | |
5960 | ||
5961 | /* Don't let the COFF backend resort these symbols. */ | |
809ffe0d | 5962 | symbol_get_bfdsym (sym)->flags |= BSF_NOT_AT_END; |
252b5132 RH |
5963 | } |
5964 | else if (S_GET_STORAGE_CLASS (sym) == C_BSTAT) | |
5965 | { | |
5966 | /* We want the value to be the symbol index of the referenced | |
5967 | csect symbol. BFD will do that for us if we set the right | |
5968 | flags. */ | |
b782de16 AM |
5969 | asymbol *bsym = symbol_get_bfdsym (symbol_get_tc (sym)->within); |
5970 | combined_entry_type *c = coffsymbol (bsym)->native; | |
5971 | ||
5972 | S_SET_VALUE (sym, (valueT) (size_t) c); | |
809ffe0d | 5973 | coffsymbol (symbol_get_bfdsym (sym))->native->fix_value = 1; |
252b5132 RH |
5974 | } |
5975 | else if (S_GET_STORAGE_CLASS (sym) == C_STSYM) | |
5976 | { | |
5977 | symbolS *block; | |
c734e7e3 | 5978 | valueT base; |
252b5132 | 5979 | |
809ffe0d | 5980 | block = symbol_get_tc (sym)->within; |
c734e7e3 TG |
5981 | if (block) |
5982 | { | |
5983 | /* The value is the offset from the enclosing csect. */ | |
5984 | symbolS *csect; | |
5985 | ||
5986 | csect = symbol_get_tc (block)->within; | |
5987 | resolve_symbol_value (csect); | |
5988 | base = S_GET_VALUE (csect); | |
5989 | } | |
5990 | else | |
5991 | base = 0; | |
5992 | ||
5993 | S_SET_VALUE (sym, S_GET_VALUE (sym) - base); | |
252b5132 RH |
5994 | } |
5995 | else if (S_GET_STORAGE_CLASS (sym) == C_BINCL | |
5996 | || S_GET_STORAGE_CLASS (sym) == C_EINCL) | |
5997 | { | |
5998 | /* We want the value to be a file offset into the line numbers. | |
99a814a1 AM |
5999 | BFD will do that for us if we set the right flags. We have |
6000 | already set the value correctly. */ | |
809ffe0d | 6001 | coffsymbol (symbol_get_bfdsym (sym))->native->fix_line = 1; |
252b5132 RH |
6002 | } |
6003 | ||
6004 | return 0; | |
6005 | } | |
6006 | ||
6007 | /* Adjust the symbol table. This creates csect symbols for all | |
6008 | absolute symbols. */ | |
6009 | ||
6010 | void | |
98027b10 | 6011 | ppc_adjust_symtab (void) |
252b5132 RH |
6012 | { |
6013 | symbolS *sym; | |
6014 | ||
6015 | if (! ppc_saw_abs) | |
6016 | return; | |
6017 | ||
6018 | for (sym = symbol_rootP; sym != NULL; sym = symbol_next (sym)) | |
6019 | { | |
6020 | symbolS *csect; | |
6021 | int i; | |
6022 | union internal_auxent *a; | |
6023 | ||
6024 | if (S_GET_SEGMENT (sym) != absolute_section) | |
6025 | continue; | |
6026 | ||
6027 | csect = symbol_create (".abs[XO]", absolute_section, | |
6028 | S_GET_VALUE (sym), &zero_address_frag); | |
809ffe0d | 6029 | symbol_get_bfdsym (csect)->value = S_GET_VALUE (sym); |
252b5132 RH |
6030 | S_SET_STORAGE_CLASS (csect, C_HIDEXT); |
6031 | i = S_GET_NUMBER_AUXILIARY (csect); | |
6032 | S_SET_NUMBER_AUXILIARY (csect, i + 1); | |
809ffe0d | 6033 | a = &coffsymbol (symbol_get_bfdsym (csect))->native[i + 1].u.auxent; |
252b5132 RH |
6034 | a->x_csect.x_scnlen.l = 0; |
6035 | a->x_csect.x_smtyp = XTY_SD; | |
6036 | a->x_csect.x_parmhash = 0; | |
6037 | a->x_csect.x_snhash = 0; | |
6038 | a->x_csect.x_smclas = XMC_XO; | |
6039 | a->x_csect.x_stab = 0; | |
6040 | a->x_csect.x_snstab = 0; | |
6041 | ||
6042 | symbol_insert (csect, sym, &symbol_rootP, &symbol_lastP); | |
6043 | ||
6044 | i = S_GET_NUMBER_AUXILIARY (sym); | |
809ffe0d ILT |
6045 | a = &coffsymbol (symbol_get_bfdsym (sym))->native[i].u.auxent; |
6046 | a->x_csect.x_scnlen.p = coffsymbol (symbol_get_bfdsym (csect))->native; | |
6047 | coffsymbol (symbol_get_bfdsym (sym))->native[i].fix_scnlen = 1; | |
252b5132 RH |
6048 | } |
6049 | ||
b34976b6 | 6050 | ppc_saw_abs = FALSE; |
252b5132 RH |
6051 | } |
6052 | ||
6053 | /* Set the VMA for a section. This is called on all the sections in | |
6054 | turn. */ | |
6055 | ||
6056 | void | |
98027b10 | 6057 | ppc_frob_section (asection *sec) |
252b5132 | 6058 | { |
931e13a6 | 6059 | static bfd_vma vma = 0; |
252b5132 | 6060 | |
85645aed TG |
6061 | /* Dwarf sections start at 0. */ |
6062 | if (bfd_get_section_flags (NULL, sec) & SEC_DEBUGGING) | |
6063 | return; | |
6064 | ||
931e13a6 | 6065 | vma = md_section_align (sec, vma); |
252b5132 RH |
6066 | bfd_set_section_vma (stdoutput, sec, vma); |
6067 | vma += bfd_section_size (stdoutput, sec); | |
6068 | } | |
6069 | ||
6070 | #endif /* OBJ_XCOFF */ | |
6071 | \f | |
6d4af3c2 | 6072 | const char * |
98027b10 | 6073 | md_atof (int type, char *litp, int *sizep) |
252b5132 | 6074 | { |
499ac353 | 6075 | return ieee_md_atof (type, litp, sizep, target_big_endian); |
252b5132 RH |
6076 | } |
6077 | ||
6078 | /* Write a value out to the object file, using the appropriate | |
6079 | endianness. */ | |
6080 | ||
6081 | void | |
98027b10 | 6082 | md_number_to_chars (char *buf, valueT val, int n) |
252b5132 RH |
6083 | { |
6084 | if (target_big_endian) | |
6085 | number_to_chars_bigendian (buf, val, n); | |
6086 | else | |
6087 | number_to_chars_littleendian (buf, val, n); | |
6088 | } | |
6089 | ||
6090 | /* Align a section (I don't know why this is machine dependent). */ | |
6091 | ||
6092 | valueT | |
3aeeedbb | 6093 | md_section_align (asection *seg ATTRIBUTE_UNUSED, valueT addr) |
252b5132 | 6094 | { |
3aeeedbb AM |
6095 | #ifdef OBJ_ELF |
6096 | return addr; | |
6097 | #else | |
252b5132 RH |
6098 | int align = bfd_get_section_alignment (stdoutput, seg); |
6099 | ||
8d3842cd | 6100 | return ((addr + (1 << align) - 1) & -(1 << align)); |
3aeeedbb | 6101 | #endif |
252b5132 RH |
6102 | } |
6103 | ||
6104 | /* We don't have any form of relaxing. */ | |
6105 | ||
6106 | int | |
98027b10 AM |
6107 | md_estimate_size_before_relax (fragS *fragp ATTRIBUTE_UNUSED, |
6108 | asection *seg ATTRIBUTE_UNUSED) | |
252b5132 RH |
6109 | { |
6110 | abort (); | |
6111 | return 0; | |
6112 | } | |
6113 | ||
6114 | /* Convert a machine dependent frag. We never generate these. */ | |
6115 | ||
6116 | void | |
98027b10 AM |
6117 | md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, |
6118 | asection *sec ATTRIBUTE_UNUSED, | |
6119 | fragS *fragp ATTRIBUTE_UNUSED) | |
252b5132 RH |
6120 | { |
6121 | abort (); | |
6122 | } | |
6123 | ||
6124 | /* We have no need to default values of symbols. */ | |
6125 | ||
252b5132 | 6126 | symbolS * |
98027b10 | 6127 | md_undefined_symbol (char *name ATTRIBUTE_UNUSED) |
252b5132 RH |
6128 | { |
6129 | return 0; | |
6130 | } | |
6131 | \f | |
6132 | /* Functions concerning relocs. */ | |
6133 | ||
6134 | /* The location from which a PC relative jump should be calculated, | |
6135 | given a PC relative reloc. */ | |
6136 | ||
6137 | long | |
98027b10 | 6138 | md_pcrel_from_section (fixS *fixp, segT sec ATTRIBUTE_UNUSED) |
252b5132 RH |
6139 | { |
6140 | return fixp->fx_frag->fr_address + fixp->fx_where; | |
6141 | } | |
6142 | ||
6143 | #ifdef OBJ_XCOFF | |
6144 | ||
6145 | /* This is called to see whether a fixup should be adjusted to use a | |
6146 | section symbol. We take the opportunity to change a fixup against | |
6147 | a symbol in the TOC subsegment into a reloc against the | |
6148 | corresponding .tc symbol. */ | |
6149 | ||
6150 | int | |
98027b10 | 6151 | ppc_fix_adjustable (fixS *fix) |
252b5132 | 6152 | { |
b782de16 AM |
6153 | valueT val = resolve_symbol_value (fix->fx_addsy); |
6154 | segT symseg = S_GET_SEGMENT (fix->fx_addsy); | |
6155 | TC_SYMFIELD_TYPE *tc; | |
6156 | ||
6157 | if (symseg == absolute_section) | |
6158 | return 0; | |
252b5132 | 6159 | |
85645aed TG |
6160 | /* Always adjust symbols in debugging sections. */ |
6161 | if (bfd_get_section_flags (stdoutput, symseg) & SEC_DEBUGGING) | |
6162 | return 1; | |
6163 | ||
252b5132 | 6164 | if (ppc_toc_csect != (symbolS *) NULL |
252b5132 | 6165 | && fix->fx_addsy != ppc_toc_csect |
b782de16 | 6166 | && symseg == data_section |
252b5132 RH |
6167 | && val >= ppc_toc_frag->fr_address |
6168 | && (ppc_after_toc_frag == (fragS *) NULL | |
6169 | || val < ppc_after_toc_frag->fr_address)) | |
6170 | { | |
6171 | symbolS *sy; | |
6172 | ||
6173 | for (sy = symbol_next (ppc_toc_csect); | |
6174 | sy != (symbolS *) NULL; | |
6175 | sy = symbol_next (sy)) | |
6176 | { | |
b782de16 AM |
6177 | TC_SYMFIELD_TYPE *sy_tc = symbol_get_tc (sy); |
6178 | ||
96d56e9f | 6179 | if (sy_tc->symbol_class == XMC_TC0) |
252b5132 | 6180 | continue; |
96d56e9f | 6181 | if (sy_tc->symbol_class != XMC_TC) |
252b5132 | 6182 | break; |
b782de16 | 6183 | if (val == resolve_symbol_value (sy)) |
252b5132 RH |
6184 | { |
6185 | fix->fx_addsy = sy; | |
6186 | fix->fx_addnumber = val - ppc_toc_frag->fr_address; | |
6187 | return 0; | |
6188 | } | |
6189 | } | |
6190 | ||
6191 | as_bad_where (fix->fx_file, fix->fx_line, | |
6192 | _("symbol in .toc does not match any .tc")); | |
6193 | } | |
6194 | ||
6195 | /* Possibly adjust the reloc to be against the csect. */ | |
b782de16 AM |
6196 | tc = symbol_get_tc (fix->fx_addsy); |
6197 | if (tc->subseg == 0 | |
96d56e9f NC |
6198 | && tc->symbol_class != XMC_TC0 |
6199 | && tc->symbol_class != XMC_TC | |
b782de16 | 6200 | && symseg != bss_section |
252b5132 | 6201 | /* Don't adjust if this is a reloc in the toc section. */ |
b782de16 | 6202 | && (symseg != data_section |
252b5132 RH |
6203 | || ppc_toc_csect == NULL |
6204 | || val < ppc_toc_frag->fr_address | |
6205 | || (ppc_after_toc_frag != NULL | |
6206 | && val >= ppc_after_toc_frag->fr_address))) | |
6207 | { | |
2fb4b302 | 6208 | symbolS *csect = tc->within; |
252b5132 | 6209 | |
2fb4b302 TG |
6210 | /* If the symbol was not declared by a label (eg: a section symbol), |
6211 | use the section instead of the csect. This doesn't happen in | |
6212 | normal AIX assembly code. */ | |
6213 | if (csect == NULL) | |
6214 | csect = seg_info (symseg)->sym; | |
252b5132 | 6215 | |
2fb4b302 TG |
6216 | fix->fx_offset += val - symbol_get_frag (csect)->fr_address; |
6217 | fix->fx_addsy = csect; | |
252b5132 | 6218 | |
b782de16 | 6219 | return 0; |
252b5132 RH |
6220 | } |
6221 | ||
6222 | /* Adjust a reloc against a .lcomm symbol to be against the base | |
6223 | .lcomm. */ | |
b782de16 | 6224 | if (symseg == bss_section |
252b5132 RH |
6225 | && ! S_IS_EXTERNAL (fix->fx_addsy)) |
6226 | { | |
b782de16 AM |
6227 | symbolS *sy = symbol_get_frag (fix->fx_addsy)->fr_symbol; |
6228 | ||
6229 | fix->fx_offset += val - resolve_symbol_value (sy); | |
6230 | fix->fx_addsy = sy; | |
252b5132 RH |
6231 | } |
6232 | ||
6233 | return 0; | |
6234 | } | |
6235 | ||
6236 | /* A reloc from one csect to another must be kept. The assembler | |
6237 | will, of course, keep relocs between sections, and it will keep | |
6238 | absolute relocs, but we need to force it to keep PC relative relocs | |
6239 | between two csects in the same section. */ | |
6240 | ||
6241 | int | |
98027b10 | 6242 | ppc_force_relocation (fixS *fix) |
252b5132 RH |
6243 | { |
6244 | /* At this point fix->fx_addsy should already have been converted to | |
6245 | a csect symbol. If the csect does not include the fragment, then | |
6246 | we need to force the relocation. */ | |
6247 | if (fix->fx_pcrel | |
6248 | && fix->fx_addsy != NULL | |
809ffe0d ILT |
6249 | && symbol_get_tc (fix->fx_addsy)->subseg != 0 |
6250 | && ((symbol_get_frag (fix->fx_addsy)->fr_address | |
6251 | > fix->fx_frag->fr_address) | |
6252 | || (symbol_get_tc (fix->fx_addsy)->next != NULL | |
6253 | && (symbol_get_frag (symbol_get_tc (fix->fx_addsy)->next)->fr_address | |
252b5132 RH |
6254 | <= fix->fx_frag->fr_address)))) |
6255 | return 1; | |
6256 | ||
ae6063d4 | 6257 | return generic_force_reloc (fix); |
252b5132 RH |
6258 | } |
6259 | ||
2fb4b302 TG |
6260 | void |
6261 | ppc_new_dot_label (symbolS *sym) | |
6262 | { | |
6263 | /* Anchor this label to the current csect for relocations. */ | |
6264 | symbol_get_tc (sym)->within = ppc_current_csect; | |
6265 | } | |
6266 | ||
252b5132 RH |
6267 | #endif /* OBJ_XCOFF */ |
6268 | ||
0baf16f2 | 6269 | #ifdef OBJ_ELF |
a161fe53 AM |
6270 | /* If this function returns non-zero, it guarantees that a relocation |
6271 | will be emitted for a fixup. */ | |
6272 | ||
6273 | int | |
98027b10 | 6274 | ppc_force_relocation (fixS *fix) |
a161fe53 AM |
6275 | { |
6276 | /* Branch prediction relocations must force a relocation, as must | |
6277 | the vtable description relocs. */ | |
6278 | switch (fix->fx_r_type) | |
6279 | { | |
6280 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
6281 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
6282 | case BFD_RELOC_PPC_BA16_BRTAKEN: | |
6283 | case BFD_RELOC_PPC_BA16_BRNTAKEN: | |
c744ecf2 | 6284 | case BFD_RELOC_24_PLT_PCREL: |
a161fe53 | 6285 | case BFD_RELOC_PPC64_TOC: |
a161fe53 | 6286 | return 1; |
6911b7dc AM |
6287 | case BFD_RELOC_PPC_B26: |
6288 | case BFD_RELOC_PPC_BA26: | |
6289 | case BFD_RELOC_PPC_B16: | |
6290 | case BFD_RELOC_PPC_BA16: | |
6291 | /* All branch fixups targeting a localentry symbol must | |
6292 | force a relocation. */ | |
6293 | if (fix->fx_addsy) | |
6294 | { | |
6295 | asymbol *bfdsym = symbol_get_bfdsym (fix->fx_addsy); | |
6296 | elf_symbol_type *elfsym | |
6297 | = elf_symbol_from (bfd_asymbol_bfd (bfdsym), bfdsym); | |
6298 | gas_assert (elfsym); | |
6299 | if ((STO_PPC64_LOCAL_MASK & elfsym->internal_elf_sym.st_other) != 0) | |
6300 | return 1; | |
6301 | } | |
6302 | break; | |
a161fe53 AM |
6303 | default: |
6304 | break; | |
6305 | } | |
6306 | ||
cdba85ec AM |
6307 | if (fix->fx_r_type >= BFD_RELOC_PPC_TLS |
6308 | && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA) | |
6309 | return 1; | |
6310 | ||
ae6063d4 | 6311 | return generic_force_reloc (fix); |
a161fe53 AM |
6312 | } |
6313 | ||
0baf16f2 | 6314 | int |
98027b10 | 6315 | ppc_fix_adjustable (fixS *fix) |
252b5132 | 6316 | { |
6911b7dc AM |
6317 | switch (fix->fx_r_type) |
6318 | { | |
6319 | /* All branch fixups targeting a localentry symbol must | |
6320 | continue using the symbol. */ | |
6321 | case BFD_RELOC_PPC_B26: | |
6322 | case BFD_RELOC_PPC_BA26: | |
6323 | case BFD_RELOC_PPC_B16: | |
6324 | case BFD_RELOC_PPC_BA16: | |
6325 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
6326 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
6327 | case BFD_RELOC_PPC_BA16_BRTAKEN: | |
6328 | case BFD_RELOC_PPC_BA16_BRNTAKEN: | |
6329 | if (fix->fx_addsy) | |
6330 | { | |
6331 | asymbol *bfdsym = symbol_get_bfdsym (fix->fx_addsy); | |
6332 | elf_symbol_type *elfsym | |
6333 | = elf_symbol_from (bfd_asymbol_bfd (bfdsym), bfdsym); | |
6334 | gas_assert (elfsym); | |
6335 | if ((STO_PPC64_LOCAL_MASK & elfsym->internal_elf_sym.st_other) != 0) | |
6336 | return 0; | |
6337 | } | |
6338 | break; | |
6339 | default: | |
6340 | break; | |
6341 | } | |
6342 | ||
0baf16f2 AM |
6343 | return (fix->fx_r_type != BFD_RELOC_16_GOTOFF |
6344 | && fix->fx_r_type != BFD_RELOC_LO16_GOTOFF | |
6345 | && fix->fx_r_type != BFD_RELOC_HI16_GOTOFF | |
6346 | && fix->fx_r_type != BFD_RELOC_HI16_S_GOTOFF | |
cc9edbf3 AM |
6347 | && fix->fx_r_type != BFD_RELOC_PPC64_GOT16_DS |
6348 | && fix->fx_r_type != BFD_RELOC_PPC64_GOT16_LO_DS | |
0baf16f2 AM |
6349 | && fix->fx_r_type != BFD_RELOC_GPREL16 |
6350 | && fix->fx_r_type != BFD_RELOC_VTABLE_INHERIT | |
6351 | && fix->fx_r_type != BFD_RELOC_VTABLE_ENTRY | |
cdba85ec | 6352 | && !(fix->fx_r_type >= BFD_RELOC_PPC_TLS |
ab1e9ef7 | 6353 | && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA)); |
252b5132 | 6354 | } |
0baf16f2 | 6355 | #endif |
252b5132 | 6356 | |
b9c361e0 JL |
6357 | void |
6358 | ppc_frag_check (struct frag *fragP) | |
6359 | { | |
6360 | if (!fragP->has_code) | |
6361 | return; | |
6362 | ||
f7d69005 | 6363 | if ((ppc_cpu & PPC_OPCODE_VLE) != 0) |
b9c361e0 JL |
6364 | { |
6365 | if (((fragP->fr_address + fragP->insn_addr) & 1) != 0) | |
6366 | as_bad (_("instruction address is not a multiple of 2")); | |
6367 | } | |
6368 | else | |
6369 | { | |
6370 | if (((fragP->fr_address + fragP->insn_addr) & 3) != 0) | |
6371 | as_bad (_("instruction address is not a multiple of 4")); | |
6372 | } | |
6373 | } | |
6374 | ||
3aeeedbb AM |
6375 | /* Implement HANDLE_ALIGN. This writes the NOP pattern into an |
6376 | rs_align_code frag. */ | |
6377 | ||
6378 | void | |
6379 | ppc_handle_align (struct frag *fragP) | |
6380 | { | |
6381 | valueT count = (fragP->fr_next->fr_address | |
6382 | - (fragP->fr_address + fragP->fr_fix)); | |
6383 | ||
f7d69005 | 6384 | if ((ppc_cpu & PPC_OPCODE_VLE) != 0 && count != 0 && (count & 1) == 0) |
b9c361e0 JL |
6385 | { |
6386 | char *dest = fragP->fr_literal + fragP->fr_fix; | |
6387 | ||
6388 | fragP->fr_var = 2; | |
6389 | md_number_to_chars (dest, 0x4400, 2); | |
6390 | } | |
6391 | else if (count != 0 && (count & 3) == 0) | |
3aeeedbb AM |
6392 | { |
6393 | char *dest = fragP->fr_literal + fragP->fr_fix; | |
6394 | ||
6395 | fragP->fr_var = 4; | |
cef4f754 AM |
6396 | |
6397 | if (count > 4 * nop_limit && count < 0x2000000) | |
6398 | { | |
6399 | struct frag *rest; | |
6400 | ||
6401 | /* Make a branch, then follow with nops. Insert another | |
6402 | frag to handle the nops. */ | |
6403 | md_number_to_chars (dest, 0x48000000 + count, 4); | |
6404 | count -= 4; | |
6405 | if (count == 0) | |
6406 | return; | |
6407 | ||
6408 | rest = xmalloc (SIZEOF_STRUCT_FRAG + 4); | |
6409 | memcpy (rest, fragP, SIZEOF_STRUCT_FRAG); | |
6410 | fragP->fr_next = rest; | |
6411 | fragP = rest; | |
6412 | rest->fr_address += rest->fr_fix + 4; | |
6413 | rest->fr_fix = 0; | |
6414 | /* If we leave the next frag as rs_align_code we'll come here | |
6415 | again, resulting in a bunch of branches rather than a | |
6416 | branch followed by nops. */ | |
6417 | rest->fr_type = rs_align; | |
6418 | dest = rest->fr_literal; | |
6419 | } | |
6420 | ||
3aeeedbb AM |
6421 | md_number_to_chars (dest, 0x60000000, 4); |
6422 | ||
42240548 | 6423 | if ((ppc_cpu & PPC_OPCODE_POWER6) != 0 |
5817ffd1 | 6424 | || (ppc_cpu & PPC_OPCODE_POWER7) != 0 |
a680de9a PB |
6425 | || (ppc_cpu & PPC_OPCODE_POWER8) != 0 |
6426 | || (ppc_cpu & PPC_OPCODE_POWER9) != 0) | |
3aeeedbb | 6427 | { |
a680de9a PB |
6428 | /* For power6, power7, power8 and power9, we want the last nop to be |
6429 | a group terminating one. Do this by inserting an rs_fill frag | |
6430 | immediately after this one, with its address set to the last nop | |
6431 | location. This will automatically reduce the number of nops in | |
6432 | the current frag by one. */ | |
3aeeedbb AM |
6433 | if (count > 4) |
6434 | { | |
6435 | struct frag *group_nop = xmalloc (SIZEOF_STRUCT_FRAG + 4); | |
6436 | ||
6437 | memcpy (group_nop, fragP, SIZEOF_STRUCT_FRAG); | |
6438 | group_nop->fr_address = group_nop->fr_next->fr_address - 4; | |
6439 | group_nop->fr_fix = 0; | |
6440 | group_nop->fr_offset = 1; | |
6441 | group_nop->fr_type = rs_fill; | |
6442 | fragP->fr_next = group_nop; | |
6443 | dest = group_nop->fr_literal; | |
6444 | } | |
6445 | ||
5817ffd1 | 6446 | if ((ppc_cpu & PPC_OPCODE_POWER7) != 0 |
a680de9a PB |
6447 | || (ppc_cpu & PPC_OPCODE_POWER8) != 0 |
6448 | || (ppc_cpu & PPC_OPCODE_POWER9) != 0) | |
aea77599 AM |
6449 | { |
6450 | if (ppc_cpu & PPC_OPCODE_E500MC) | |
6451 | /* e500mc group terminating nop: "ori 0,0,0". */ | |
6452 | md_number_to_chars (dest, 0x60000000, 4); | |
6453 | else | |
a680de9a | 6454 | /* power7/power8/power9 group terminating nop: "ori 2,2,0". */ |
aea77599 AM |
6455 | md_number_to_chars (dest, 0x60420000, 4); |
6456 | } | |
42240548 PB |
6457 | else |
6458 | /* power6 group terminating nop: "ori 1,1,0". */ | |
6459 | md_number_to_chars (dest, 0x60210000, 4); | |
3aeeedbb AM |
6460 | } |
6461 | } | |
6462 | } | |
6463 | ||
252b5132 | 6464 | /* Apply a fixup to the object code. This is called for all the |
3b8b57a9 | 6465 | fixups we generated by the calls to fix_new_exp, above. */ |
252b5132 | 6466 | |
94f592af | 6467 | void |
62ebcb5c | 6468 | md_apply_fix (fixS *fixP, valueT *valP, segT seg) |
252b5132 | 6469 | { |
94f592af | 6470 | valueT value = * valP; |
5656a981 AM |
6471 | offsetT fieldval; |
6472 | const struct powerpc_operand *operand; | |
252b5132 RH |
6473 | |
6474 | #ifdef OBJ_ELF | |
94f592af | 6475 | if (fixP->fx_addsy != NULL) |
252b5132 | 6476 | { |
a161fe53 | 6477 | /* Hack around bfd_install_relocation brain damage. */ |
94f592af NC |
6478 | if (fixP->fx_pcrel) |
6479 | value += fixP->fx_frag->fr_address + fixP->fx_where; | |
a680de9a PB |
6480 | |
6481 | if (fixP->fx_addsy == abs_section_sym) | |
6482 | fixP->fx_done = 1; | |
252b5132 RH |
6483 | } |
6484 | else | |
94f592af | 6485 | fixP->fx_done = 1; |
252b5132 | 6486 | #else |
a161fe53 | 6487 | /* FIXME FIXME FIXME: The value we are passed in *valP includes |
7be1c489 AM |
6488 | the symbol values. If we are doing this relocation the code in |
6489 | write.c is going to call bfd_install_relocation, which is also | |
6490 | going to use the symbol value. That means that if the reloc is | |
6491 | fully resolved we want to use *valP since bfd_install_relocation is | |
6492 | not being used. | |
9f0eb232 RS |
6493 | However, if the reloc is not fully resolved we do not want to |
6494 | use *valP, and must use fx_offset instead. If the relocation | |
6495 | is PC-relative, we then need to re-apply md_pcrel_from_section | |
6496 | to this new relocation value. */ | |
94f592af NC |
6497 | if (fixP->fx_addsy == (symbolS *) NULL) |
6498 | fixP->fx_done = 1; | |
6499 | ||
252b5132 | 6500 | else |
9f0eb232 RS |
6501 | { |
6502 | value = fixP->fx_offset; | |
6503 | if (fixP->fx_pcrel) | |
6504 | value -= md_pcrel_from_section (fixP, seg); | |
6505 | } | |
a161fe53 AM |
6506 | #endif |
6507 | ||
6508 | if (fixP->fx_subsy != (symbolS *) NULL) | |
252b5132 | 6509 | { |
a161fe53 AM |
6510 | /* We can't actually support subtracting a symbol. */ |
6511 | as_bad_where (fixP->fx_file, fixP->fx_line, _("expression too complex")); | |
252b5132 | 6512 | } |
252b5132 | 6513 | |
5656a981 | 6514 | operand = NULL; |
3b8b57a9 | 6515 | if (fixP->fx_pcrel_adjust != 0) |
252b5132 | 6516 | { |
5656a981 | 6517 | /* This is a fixup on an instruction. */ |
3b8b57a9 | 6518 | int opindex = fixP->fx_pcrel_adjust & 0xff; |
252b5132 | 6519 | |
5656a981 | 6520 | operand = &powerpc_operands[opindex]; |
252b5132 | 6521 | #ifdef OBJ_XCOFF |
0baf16f2 AM |
6522 | /* An instruction like `lwz 9,sym(30)' when `sym' is not a TOC symbol |
6523 | does not generate a reloc. It uses the offset of `sym' within its | |
6524 | csect. Other usages, such as `.long sym', generate relocs. This | |
6525 | is the documented behaviour of non-TOC symbols. */ | |
252b5132 | 6526 | if ((operand->flags & PPC_OPERAND_PARENS) != 0 |
b84bf58a | 6527 | && (operand->bitm & 0xfff0) == 0xfff0 |
252b5132 | 6528 | && operand->shift == 0 |
2b3c4602 | 6529 | && (operand->insert == NULL || ppc_obj64) |
94f592af NC |
6530 | && fixP->fx_addsy != NULL |
6531 | && symbol_get_tc (fixP->fx_addsy)->subseg != 0 | |
96d56e9f NC |
6532 | && symbol_get_tc (fixP->fx_addsy)->symbol_class != XMC_TC |
6533 | && symbol_get_tc (fixP->fx_addsy)->symbol_class != XMC_TC0 | |
94f592af | 6534 | && S_GET_SEGMENT (fixP->fx_addsy) != bss_section) |
252b5132 | 6535 | { |
94f592af NC |
6536 | value = fixP->fx_offset; |
6537 | fixP->fx_done = 1; | |
252b5132 | 6538 | } |
ac21e7da TG |
6539 | |
6540 | /* During parsing of instructions, a TOC16 reloc is generated for | |
6541 | instructions such as 'lwz RT,SYM(RB)' if SYM is a symbol defined | |
6542 | in the toc. But at parse time, SYM may be not yet defined, so | |
6543 | check again here. */ | |
6544 | if (fixP->fx_r_type == BFD_RELOC_16 | |
6545 | && fixP->fx_addsy != NULL | |
6546 | && ppc_is_toc_sym (fixP->fx_addsy)) | |
6547 | fixP->fx_r_type = BFD_RELOC_PPC_TOC16; | |
252b5132 | 6548 | #endif |
5656a981 AM |
6549 | } |
6550 | ||
6551 | /* Calculate value to be stored in field. */ | |
6552 | fieldval = value; | |
6553 | switch (fixP->fx_r_type) | |
6554 | { | |
1ec2d25e | 6555 | #ifdef OBJ_ELF |
5656a981 AM |
6556 | case BFD_RELOC_PPC64_ADDR16_LO_DS: |
6557 | case BFD_RELOC_PPC_VLE_LO16A: | |
6558 | case BFD_RELOC_PPC_VLE_LO16D: | |
1ec2d25e | 6559 | #endif |
5656a981 AM |
6560 | case BFD_RELOC_LO16: |
6561 | case BFD_RELOC_LO16_PCREL: | |
6562 | fieldval = value & 0xffff; | |
6563 | sign_extend_16: | |
6564 | if (operand != NULL && (operand->flags & PPC_OPERAND_SIGNED) != 0) | |
f9c6b907 | 6565 | fieldval = SEX16 (fieldval); |
5656a981 AM |
6566 | fixP->fx_no_overflow = 1; |
6567 | break; | |
3c9d25f4 | 6568 | |
f9c6b907 AM |
6569 | case BFD_RELOC_HI16: |
6570 | case BFD_RELOC_HI16_PCREL: | |
5656a981 | 6571 | #ifdef OBJ_ELF |
f9c6b907 AM |
6572 | if (REPORT_OVERFLOW_HI && ppc_obj64) |
6573 | { | |
6574 | fieldval = value >> 16; | |
6575 | if (operand != NULL && (operand->flags & PPC_OPERAND_SIGNED) != 0) | |
6576 | { | |
6577 | valueT sign = (((valueT) -1 >> 16) + 1) >> 1; | |
6578 | fieldval = ((valueT) fieldval ^ sign) - sign; | |
6579 | } | |
6580 | break; | |
6581 | } | |
2b0f3761 | 6582 | /* Fallthru */ |
f9c6b907 | 6583 | |
5656a981 AM |
6584 | case BFD_RELOC_PPC_VLE_HI16A: |
6585 | case BFD_RELOC_PPC_VLE_HI16D: | |
f9c6b907 | 6586 | case BFD_RELOC_PPC64_ADDR16_HIGH: |
5656a981 | 6587 | #endif |
5656a981 AM |
6588 | fieldval = PPC_HI (value); |
6589 | goto sign_extend_16; | |
0baf16f2 | 6590 | |
f9c6b907 AM |
6591 | case BFD_RELOC_HI16_S: |
6592 | case BFD_RELOC_HI16_S_PCREL: | |
a680de9a | 6593 | case BFD_RELOC_PPC_REL16DX_HA: |
5656a981 | 6594 | #ifdef OBJ_ELF |
f9c6b907 AM |
6595 | if (REPORT_OVERFLOW_HI && ppc_obj64) |
6596 | { | |
6597 | fieldval = (value + 0x8000) >> 16; | |
6598 | if (operand != NULL && (operand->flags & PPC_OPERAND_SIGNED) != 0) | |
6599 | { | |
6600 | valueT sign = (((valueT) -1 >> 16) + 1) >> 1; | |
6601 | fieldval = ((valueT) fieldval ^ sign) - sign; | |
6602 | } | |
6603 | break; | |
6604 | } | |
2b0f3761 | 6605 | /* Fallthru */ |
f9c6b907 | 6606 | |
5656a981 AM |
6607 | case BFD_RELOC_PPC_VLE_HA16A: |
6608 | case BFD_RELOC_PPC_VLE_HA16D: | |
f9c6b907 | 6609 | case BFD_RELOC_PPC64_ADDR16_HIGHA: |
5656a981 | 6610 | #endif |
5656a981 AM |
6611 | fieldval = PPC_HA (value); |
6612 | goto sign_extend_16; | |
0baf16f2 | 6613 | |
3b8b57a9 | 6614 | #ifdef OBJ_ELF |
5656a981 AM |
6615 | case BFD_RELOC_PPC64_HIGHER: |
6616 | fieldval = PPC_HIGHER (value); | |
6617 | goto sign_extend_16; | |
252b5132 | 6618 | |
5656a981 AM |
6619 | case BFD_RELOC_PPC64_HIGHER_S: |
6620 | fieldval = PPC_HIGHERA (value); | |
6621 | goto sign_extend_16; | |
0baf16f2 | 6622 | |
5656a981 AM |
6623 | case BFD_RELOC_PPC64_HIGHEST: |
6624 | fieldval = PPC_HIGHEST (value); | |
6625 | goto sign_extend_16; | |
0baf16f2 | 6626 | |
5656a981 AM |
6627 | case BFD_RELOC_PPC64_HIGHEST_S: |
6628 | fieldval = PPC_HIGHESTA (value); | |
6629 | goto sign_extend_16; | |
6630 | #endif | |
6631 | ||
6632 | default: | |
6633 | break; | |
6634 | } | |
6635 | ||
6636 | if (operand != NULL) | |
6637 | { | |
6638 | /* Handle relocs in an insn. */ | |
5656a981 AM |
6639 | switch (fixP->fx_r_type) |
6640 | { | |
7fa9fcb6 | 6641 | #ifdef OBJ_ELF |
3b8b57a9 AM |
6642 | /* The following relocs can't be calculated by the assembler. |
6643 | Leave the field zero. */ | |
cdba85ec AM |
6644 | case BFD_RELOC_PPC_TPREL16: |
6645 | case BFD_RELOC_PPC_TPREL16_LO: | |
6646 | case BFD_RELOC_PPC_TPREL16_HI: | |
6647 | case BFD_RELOC_PPC_TPREL16_HA: | |
cdba85ec AM |
6648 | case BFD_RELOC_PPC_DTPREL16: |
6649 | case BFD_RELOC_PPC_DTPREL16_LO: | |
6650 | case BFD_RELOC_PPC_DTPREL16_HI: | |
6651 | case BFD_RELOC_PPC_DTPREL16_HA: | |
cdba85ec AM |
6652 | case BFD_RELOC_PPC_GOT_TLSGD16: |
6653 | case BFD_RELOC_PPC_GOT_TLSGD16_LO: | |
6654 | case BFD_RELOC_PPC_GOT_TLSGD16_HI: | |
6655 | case BFD_RELOC_PPC_GOT_TLSGD16_HA: | |
6656 | case BFD_RELOC_PPC_GOT_TLSLD16: | |
6657 | case BFD_RELOC_PPC_GOT_TLSLD16_LO: | |
6658 | case BFD_RELOC_PPC_GOT_TLSLD16_HI: | |
6659 | case BFD_RELOC_PPC_GOT_TLSLD16_HA: | |
6660 | case BFD_RELOC_PPC_GOT_TPREL16: | |
6661 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
6662 | case BFD_RELOC_PPC_GOT_TPREL16_HI: | |
6663 | case BFD_RELOC_PPC_GOT_TPREL16_HA: | |
6664 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
6665 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
6666 | case BFD_RELOC_PPC_GOT_DTPREL16_HI: | |
6667 | case BFD_RELOC_PPC_GOT_DTPREL16_HA: | |
6668 | case BFD_RELOC_PPC64_TPREL16_DS: | |
6669 | case BFD_RELOC_PPC64_TPREL16_LO_DS: | |
f9c6b907 AM |
6670 | case BFD_RELOC_PPC64_TPREL16_HIGH: |
6671 | case BFD_RELOC_PPC64_TPREL16_HIGHA: | |
cdba85ec AM |
6672 | case BFD_RELOC_PPC64_TPREL16_HIGHER: |
6673 | case BFD_RELOC_PPC64_TPREL16_HIGHERA: | |
6674 | case BFD_RELOC_PPC64_TPREL16_HIGHEST: | |
6675 | case BFD_RELOC_PPC64_TPREL16_HIGHESTA: | |
f9c6b907 AM |
6676 | case BFD_RELOC_PPC64_DTPREL16_HIGH: |
6677 | case BFD_RELOC_PPC64_DTPREL16_HIGHA: | |
cdba85ec AM |
6678 | case BFD_RELOC_PPC64_DTPREL16_DS: |
6679 | case BFD_RELOC_PPC64_DTPREL16_LO_DS: | |
6680 | case BFD_RELOC_PPC64_DTPREL16_HIGHER: | |
6681 | case BFD_RELOC_PPC64_DTPREL16_HIGHERA: | |
6682 | case BFD_RELOC_PPC64_DTPREL16_HIGHEST: | |
6683 | case BFD_RELOC_PPC64_DTPREL16_HIGHESTA: | |
3b8b57a9 | 6684 | gas_assert (fixP->fx_addsy != NULL); |
7c1d0959 | 6685 | S_SET_THREAD_LOCAL (fixP->fx_addsy); |
3b8b57a9 | 6686 | fieldval = 0; |
cdba85ec | 6687 | break; |
3b8b57a9 AM |
6688 | |
6689 | /* These also should leave the field zero for the same | |
6690 | reason. Note that older versions of gas wrote values | |
6691 | here. If we want to go back to the old behaviour, then | |
6692 | all _LO and _LO_DS cases will need to be treated like | |
6693 | BFD_RELOC_LO16_PCREL above. Similarly for _HI etc. */ | |
6694 | case BFD_RELOC_16_GOTOFF: | |
6695 | case BFD_RELOC_LO16_GOTOFF: | |
6696 | case BFD_RELOC_HI16_GOTOFF: | |
6697 | case BFD_RELOC_HI16_S_GOTOFF: | |
6698 | case BFD_RELOC_LO16_PLTOFF: | |
6699 | case BFD_RELOC_HI16_PLTOFF: | |
6700 | case BFD_RELOC_HI16_S_PLTOFF: | |
6701 | case BFD_RELOC_GPREL16: | |
6702 | case BFD_RELOC_16_BASEREL: | |
6703 | case BFD_RELOC_LO16_BASEREL: | |
6704 | case BFD_RELOC_HI16_BASEREL: | |
6705 | case BFD_RELOC_HI16_S_BASEREL: | |
6706 | case BFD_RELOC_PPC_TOC16: | |
6707 | case BFD_RELOC_PPC64_TOC16_LO: | |
6708 | case BFD_RELOC_PPC64_TOC16_HI: | |
6709 | case BFD_RELOC_PPC64_TOC16_HA: | |
6710 | case BFD_RELOC_PPC64_PLTGOT16: | |
6711 | case BFD_RELOC_PPC64_PLTGOT16_LO: | |
6712 | case BFD_RELOC_PPC64_PLTGOT16_HI: | |
6713 | case BFD_RELOC_PPC64_PLTGOT16_HA: | |
6714 | case BFD_RELOC_PPC64_GOT16_DS: | |
6715 | case BFD_RELOC_PPC64_GOT16_LO_DS: | |
6716 | case BFD_RELOC_PPC64_PLT16_LO_DS: | |
6717 | case BFD_RELOC_PPC64_SECTOFF_DS: | |
6718 | case BFD_RELOC_PPC64_SECTOFF_LO_DS: | |
6719 | case BFD_RELOC_PPC64_TOC16_DS: | |
6720 | case BFD_RELOC_PPC64_TOC16_LO_DS: | |
6721 | case BFD_RELOC_PPC64_PLTGOT16_DS: | |
6722 | case BFD_RELOC_PPC64_PLTGOT16_LO_DS: | |
6723 | case BFD_RELOC_PPC_EMB_NADDR16: | |
6724 | case BFD_RELOC_PPC_EMB_NADDR16_LO: | |
6725 | case BFD_RELOC_PPC_EMB_NADDR16_HI: | |
6726 | case BFD_RELOC_PPC_EMB_NADDR16_HA: | |
6727 | case BFD_RELOC_PPC_EMB_SDAI16: | |
6728 | case BFD_RELOC_PPC_EMB_SDA2I16: | |
6729 | case BFD_RELOC_PPC_EMB_SDA2REL: | |
252b5132 | 6730 | case BFD_RELOC_PPC_EMB_SDA21: |
3b8b57a9 AM |
6731 | case BFD_RELOC_PPC_EMB_MRKREF: |
6732 | case BFD_RELOC_PPC_EMB_RELSEC16: | |
6733 | case BFD_RELOC_PPC_EMB_RELST_LO: | |
6734 | case BFD_RELOC_PPC_EMB_RELST_HI: | |
6735 | case BFD_RELOC_PPC_EMB_RELST_HA: | |
6736 | case BFD_RELOC_PPC_EMB_BIT_FLD: | |
6737 | case BFD_RELOC_PPC_EMB_RELSDA: | |
6738 | case BFD_RELOC_PPC_VLE_SDA21: | |
6739 | case BFD_RELOC_PPC_VLE_SDA21_LO: | |
6740 | case BFD_RELOC_PPC_VLE_SDAREL_LO16A: | |
6741 | case BFD_RELOC_PPC_VLE_SDAREL_LO16D: | |
6742 | case BFD_RELOC_PPC_VLE_SDAREL_HI16A: | |
6743 | case BFD_RELOC_PPC_VLE_SDAREL_HI16D: | |
6744 | case BFD_RELOC_PPC_VLE_SDAREL_HA16A: | |
6745 | case BFD_RELOC_PPC_VLE_SDAREL_HA16D: | |
6746 | gas_assert (fixP->fx_addsy != NULL); | |
2b0f3761 | 6747 | /* Fallthru */ |
3b8b57a9 AM |
6748 | |
6749 | case BFD_RELOC_PPC_TLS: | |
6750 | case BFD_RELOC_PPC_TLSGD: | |
6751 | case BFD_RELOC_PPC_TLSLD: | |
6752 | fieldval = 0; | |
3b8b57a9 | 6753 | break; |
7fa9fcb6 TG |
6754 | #endif |
6755 | ||
6756 | #ifdef OBJ_XCOFF | |
6757 | case BFD_RELOC_PPC_B16: | |
6758 | /* Adjust the offset to the instruction boundary. */ | |
6759 | fieldval += 2; | |
6760 | break; | |
6761 | #endif | |
252b5132 | 6762 | |
f728387b AM |
6763 | case BFD_RELOC_VTABLE_INHERIT: |
6764 | case BFD_RELOC_VTABLE_ENTRY: | |
6765 | case BFD_RELOC_PPC_DTPMOD: | |
6766 | case BFD_RELOC_PPC_TPREL: | |
6767 | case BFD_RELOC_PPC_DTPREL: | |
6768 | case BFD_RELOC_PPC_COPY: | |
6769 | case BFD_RELOC_PPC_GLOB_DAT: | |
6770 | case BFD_RELOC_32_PLT_PCREL: | |
6771 | case BFD_RELOC_PPC_EMB_NADDR32: | |
6772 | case BFD_RELOC_PPC64_TOC: | |
6773 | case BFD_RELOC_CTOR: | |
6774 | case BFD_RELOC_32: | |
6775 | case BFD_RELOC_32_PCREL: | |
6776 | case BFD_RELOC_RVA: | |
6777 | case BFD_RELOC_64: | |
6778 | case BFD_RELOC_64_PCREL: | |
6779 | case BFD_RELOC_PPC64_ADDR64_LOCAL: | |
6780 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
6781 | _("%s unsupported as instruction fixup"), | |
6782 | bfd_get_reloc_code_name (fixP->fx_r_type)); | |
6783 | fixP->fx_done = 1; | |
6784 | return; | |
6785 | ||
3b8b57a9 | 6786 | default: |
252b5132 | 6787 | break; |
3b8b57a9 | 6788 | } |
252b5132 | 6789 | |
3b8b57a9 AM |
6790 | #ifdef OBJ_ELF |
6791 | /* powerpc uses RELA style relocs, so if emitting a reloc the field | |
6792 | contents can stay at zero. */ | |
6793 | #define APPLY_RELOC fixP->fx_done | |
6794 | #else | |
6795 | #define APPLY_RELOC 1 | |
6796 | #endif | |
6797 | if ((fieldval != 0 && APPLY_RELOC) || operand->insert != NULL) | |
6798 | { | |
487b24d8 AM |
6799 | unsigned long insn; |
6800 | unsigned char *where; | |
6801 | ||
3b8b57a9 AM |
6802 | /* Fetch the instruction, insert the fully resolved operand |
6803 | value, and stuff the instruction back again. */ | |
487b24d8 | 6804 | where = (unsigned char *) fixP->fx_frag->fr_literal + fixP->fx_where; |
3b8b57a9 | 6805 | if (target_big_endian) |
31a91399 | 6806 | { |
3b8b57a9 | 6807 | if (fixP->fx_size == 4) |
487b24d8 | 6808 | insn = bfd_getb32 (where); |
31a91399 | 6809 | else |
487b24d8 | 6810 | insn = bfd_getb16 (where); |
31a91399 NC |
6811 | } |
6812 | else | |
3b8b57a9 AM |
6813 | { |
6814 | if (fixP->fx_size == 4) | |
487b24d8 | 6815 | insn = bfd_getl32 (where); |
3b8b57a9 | 6816 | else |
487b24d8 | 6817 | insn = bfd_getl16 (where); |
3b8b57a9 AM |
6818 | } |
6819 | insn = ppc_insert_operand (insn, operand, fieldval, | |
6820 | fixP->tc_fix_data.ppc_cpu, | |
6821 | fixP->fx_file, fixP->fx_line); | |
6822 | if (target_big_endian) | |
6823 | { | |
6824 | if (fixP->fx_size == 4) | |
487b24d8 | 6825 | bfd_putb32 (insn, where); |
3b8b57a9 | 6826 | else |
487b24d8 | 6827 | bfd_putb16 (insn, where); |
3b8b57a9 AM |
6828 | } |
6829 | else | |
6830 | { | |
6831 | if (fixP->fx_size == 4) | |
487b24d8 | 6832 | bfd_putl32 (insn, where); |
3b8b57a9 | 6833 | else |
487b24d8 | 6834 | bfd_putl16 (insn, where); |
3b8b57a9 AM |
6835 | } |
6836 | } | |
6837 | ||
6838 | if (fixP->fx_done) | |
6839 | /* Nothing else to do here. */ | |
6840 | return; | |
6841 | ||
6842 | gas_assert (fixP->fx_addsy != NULL); | |
62ebcb5c | 6843 | if (fixP->fx_r_type == BFD_RELOC_NONE) |
3b8b57a9 | 6844 | { |
3b4dbbbf | 6845 | const char *sfile; |
3b8b57a9 AM |
6846 | unsigned int sline; |
6847 | ||
6848 | /* Use expr_symbol_where to see if this is an expression | |
6849 | symbol. */ | |
6850 | if (expr_symbol_where (fixP->fx_addsy, &sfile, &sline)) | |
6851 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
6852 | _("unresolved expression that must be resolved")); | |
6853 | else | |
6854 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
6855 | _("unsupported relocation against %s"), | |
6856 | S_GET_NAME (fixP->fx_addsy)); | |
6857 | fixP->fx_done = 1; | |
6858 | return; | |
6859 | } | |
6860 | } | |
6861 | else | |
6862 | { | |
6863 | /* Handle relocs in data. */ | |
6864 | switch (fixP->fx_r_type) | |
6865 | { | |
252b5132 | 6866 | case BFD_RELOC_VTABLE_INHERIT: |
94f592af NC |
6867 | if (fixP->fx_addsy |
6868 | && !S_IS_DEFINED (fixP->fx_addsy) | |
6869 | && !S_IS_WEAK (fixP->fx_addsy)) | |
6870 | S_SET_WEAK (fixP->fx_addsy); | |
2b0f3761 | 6871 | /* Fallthru */ |
252b5132 RH |
6872 | |
6873 | case BFD_RELOC_VTABLE_ENTRY: | |
94f592af | 6874 | fixP->fx_done = 0; |
252b5132 RH |
6875 | break; |
6876 | ||
0baf16f2 | 6877 | #ifdef OBJ_ELF |
3b8b57a9 AM |
6878 | /* These can appear with @l etc. in data. */ |
6879 | case BFD_RELOC_LO16: | |
3b8b57a9 | 6880 | case BFD_RELOC_LO16_PCREL: |
3b8b57a9 | 6881 | case BFD_RELOC_HI16: |
3b8b57a9 | 6882 | case BFD_RELOC_HI16_PCREL: |
3b8b57a9 | 6883 | case BFD_RELOC_HI16_S: |
3b8b57a9 | 6884 | case BFD_RELOC_HI16_S_PCREL: |
3b8b57a9 | 6885 | case BFD_RELOC_PPC64_HIGHER: |
3b8b57a9 | 6886 | case BFD_RELOC_PPC64_HIGHER_S: |
3b8b57a9 | 6887 | case BFD_RELOC_PPC64_HIGHEST: |
3b8b57a9 | 6888 | case BFD_RELOC_PPC64_HIGHEST_S: |
f9c6b907 AM |
6889 | case BFD_RELOC_PPC64_ADDR16_HIGH: |
6890 | case BFD_RELOC_PPC64_ADDR16_HIGHA: | |
45965137 | 6891 | case BFD_RELOC_PPC64_ADDR64_LOCAL: |
3b8b57a9 AM |
6892 | break; |
6893 | ||
6894 | case BFD_RELOC_PPC_DTPMOD: | |
6895 | case BFD_RELOC_PPC_TPREL: | |
6896 | case BFD_RELOC_PPC_DTPREL: | |
6897 | S_SET_THREAD_LOCAL (fixP->fx_addsy); | |
6898 | break; | |
6899 | ||
6900 | /* Just punt all of these to the linker. */ | |
6901 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
6902 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
6903 | case BFD_RELOC_16_GOTOFF: | |
6904 | case BFD_RELOC_LO16_GOTOFF: | |
6905 | case BFD_RELOC_HI16_GOTOFF: | |
6906 | case BFD_RELOC_HI16_S_GOTOFF: | |
6907 | case BFD_RELOC_LO16_PLTOFF: | |
6908 | case BFD_RELOC_HI16_PLTOFF: | |
6909 | case BFD_RELOC_HI16_S_PLTOFF: | |
6910 | case BFD_RELOC_PPC_COPY: | |
6911 | case BFD_RELOC_PPC_GLOB_DAT: | |
6912 | case BFD_RELOC_16_BASEREL: | |
6913 | case BFD_RELOC_LO16_BASEREL: | |
6914 | case BFD_RELOC_HI16_BASEREL: | |
6915 | case BFD_RELOC_HI16_S_BASEREL: | |
6916 | case BFD_RELOC_PPC_TLS: | |
6917 | case BFD_RELOC_PPC_DTPREL16_LO: | |
6918 | case BFD_RELOC_PPC_DTPREL16_HI: | |
6919 | case BFD_RELOC_PPC_DTPREL16_HA: | |
6920 | case BFD_RELOC_PPC_TPREL16_LO: | |
6921 | case BFD_RELOC_PPC_TPREL16_HI: | |
6922 | case BFD_RELOC_PPC_TPREL16_HA: | |
6923 | case BFD_RELOC_PPC_GOT_TLSGD16: | |
6924 | case BFD_RELOC_PPC_GOT_TLSGD16_LO: | |
6925 | case BFD_RELOC_PPC_GOT_TLSGD16_HI: | |
6926 | case BFD_RELOC_PPC_GOT_TLSGD16_HA: | |
6927 | case BFD_RELOC_PPC_GOT_TLSLD16: | |
6928 | case BFD_RELOC_PPC_GOT_TLSLD16_LO: | |
6929 | case BFD_RELOC_PPC_GOT_TLSLD16_HI: | |
6930 | case BFD_RELOC_PPC_GOT_TLSLD16_HA: | |
6931 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
6932 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
6933 | case BFD_RELOC_PPC_GOT_DTPREL16_HI: | |
6934 | case BFD_RELOC_PPC_GOT_DTPREL16_HA: | |
6935 | case BFD_RELOC_PPC_GOT_TPREL16: | |
6936 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
6937 | case BFD_RELOC_PPC_GOT_TPREL16_HI: | |
6938 | case BFD_RELOC_PPC_GOT_TPREL16_HA: | |
6939 | case BFD_RELOC_24_PLT_PCREL: | |
6940 | case BFD_RELOC_PPC_LOCAL24PC: | |
6941 | case BFD_RELOC_32_PLT_PCREL: | |
6942 | case BFD_RELOC_GPREL16: | |
6943 | case BFD_RELOC_PPC_VLE_SDAREL_LO16A: | |
6944 | case BFD_RELOC_PPC_VLE_SDAREL_HI16A: | |
6945 | case BFD_RELOC_PPC_VLE_SDAREL_HA16A: | |
6946 | case BFD_RELOC_PPC_EMB_NADDR32: | |
6947 | case BFD_RELOC_PPC_EMB_NADDR16: | |
6948 | case BFD_RELOC_PPC_EMB_NADDR16_LO: | |
6949 | case BFD_RELOC_PPC_EMB_NADDR16_HI: | |
6950 | case BFD_RELOC_PPC_EMB_NADDR16_HA: | |
6951 | case BFD_RELOC_PPC_EMB_SDAI16: | |
6952 | case BFD_RELOC_PPC_EMB_SDA2REL: | |
6953 | case BFD_RELOC_PPC_EMB_SDA2I16: | |
6954 | case BFD_RELOC_PPC_EMB_SDA21: | |
6955 | case BFD_RELOC_PPC_VLE_SDA21_LO: | |
6956 | case BFD_RELOC_PPC_EMB_MRKREF: | |
6957 | case BFD_RELOC_PPC_EMB_RELSEC16: | |
6958 | case BFD_RELOC_PPC_EMB_RELST_LO: | |
6959 | case BFD_RELOC_PPC_EMB_RELST_HI: | |
6960 | case BFD_RELOC_PPC_EMB_RELST_HA: | |
6961 | case BFD_RELOC_PPC_EMB_BIT_FLD: | |
6962 | case BFD_RELOC_PPC_EMB_RELSDA: | |
0baf16f2 | 6963 | case BFD_RELOC_PPC64_TOC: |
3b8b57a9 AM |
6964 | case BFD_RELOC_PPC_TOC16: |
6965 | case BFD_RELOC_PPC64_TOC16_LO: | |
6966 | case BFD_RELOC_PPC64_TOC16_HI: | |
6967 | case BFD_RELOC_PPC64_TOC16_HA: | |
f9c6b907 AM |
6968 | case BFD_RELOC_PPC64_DTPREL16_HIGH: |
6969 | case BFD_RELOC_PPC64_DTPREL16_HIGHA: | |
3b8b57a9 AM |
6970 | case BFD_RELOC_PPC64_DTPREL16_HIGHER: |
6971 | case BFD_RELOC_PPC64_DTPREL16_HIGHERA: | |
6972 | case BFD_RELOC_PPC64_DTPREL16_HIGHEST: | |
6973 | case BFD_RELOC_PPC64_DTPREL16_HIGHESTA: | |
f9c6b907 AM |
6974 | case BFD_RELOC_PPC64_TPREL16_HIGH: |
6975 | case BFD_RELOC_PPC64_TPREL16_HIGHA: | |
3b8b57a9 AM |
6976 | case BFD_RELOC_PPC64_TPREL16_HIGHER: |
6977 | case BFD_RELOC_PPC64_TPREL16_HIGHERA: | |
6978 | case BFD_RELOC_PPC64_TPREL16_HIGHEST: | |
6979 | case BFD_RELOC_PPC64_TPREL16_HIGHESTA: | |
94f592af | 6980 | fixP->fx_done = 0; |
0baf16f2 | 6981 | break; |
0baf16f2 | 6982 | #endif |
3b8b57a9 AM |
6983 | |
6984 | #ifdef OBJ_XCOFF | |
6985 | case BFD_RELOC_NONE: | |
3b8b57a9 | 6986 | #endif |
5656a981 AM |
6987 | case BFD_RELOC_CTOR: |
6988 | case BFD_RELOC_32: | |
6989 | case BFD_RELOC_32_PCREL: | |
6990 | case BFD_RELOC_RVA: | |
6991 | case BFD_RELOC_64: | |
6992 | case BFD_RELOC_64_PCREL: | |
6993 | case BFD_RELOC_16: | |
6994 | case BFD_RELOC_16_PCREL: | |
6995 | case BFD_RELOC_8: | |
6996 | break; | |
3b8b57a9 | 6997 | |
252b5132 | 6998 | default: |
bc805888 | 6999 | fprintf (stderr, |
94f592af | 7000 | _("Gas failure, reloc value %d\n"), fixP->fx_r_type); |
99a814a1 | 7001 | fflush (stderr); |
252b5132 RH |
7002 | abort (); |
7003 | } | |
46b596ff | 7004 | |
5656a981 | 7005 | if (fixP->fx_size && APPLY_RELOC) |
46b596ff | 7006 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
5656a981 | 7007 | fieldval, fixP->fx_size); |
bf7279d5 AM |
7008 | if (warn_476 |
7009 | && (seg->flags & SEC_CODE) != 0 | |
7010 | && fixP->fx_size == 4 | |
7011 | && fixP->fx_done | |
7012 | && !fixP->fx_tcbit | |
7013 | && (fixP->fx_r_type == BFD_RELOC_32 | |
7014 | || fixP->fx_r_type == BFD_RELOC_CTOR | |
7015 | || fixP->fx_r_type == BFD_RELOC_32_PCREL)) | |
7016 | as_warn_where (fixP->fx_file, fixP->fx_line, | |
7017 | _("data in executable section")); | |
5656a981 AM |
7018 | } |
7019 | ||
7020 | /* We are only able to convert some relocs to pc-relative. */ | |
7021 | if (!fixP->fx_done && fixP->fx_pcrel) | |
7022 | { | |
7023 | switch (fixP->fx_r_type) | |
7024 | { | |
7025 | case BFD_RELOC_LO16: | |
7026 | fixP->fx_r_type = BFD_RELOC_LO16_PCREL; | |
7027 | break; | |
7028 | ||
7029 | case BFD_RELOC_HI16: | |
7030 | fixP->fx_r_type = BFD_RELOC_HI16_PCREL; | |
7031 | break; | |
7032 | ||
7033 | case BFD_RELOC_HI16_S: | |
7034 | fixP->fx_r_type = BFD_RELOC_HI16_S_PCREL; | |
7035 | break; | |
7036 | ||
7037 | case BFD_RELOC_64: | |
7038 | fixP->fx_r_type = BFD_RELOC_64_PCREL; | |
7039 | break; | |
7040 | ||
7041 | case BFD_RELOC_32: | |
7042 | fixP->fx_r_type = BFD_RELOC_32_PCREL; | |
7043 | break; | |
7044 | ||
7045 | case BFD_RELOC_16: | |
7046 | fixP->fx_r_type = BFD_RELOC_16_PCREL; | |
7047 | break; | |
7048 | ||
7049 | /* Some of course are already pc-relative. */ | |
7050 | case BFD_RELOC_LO16_PCREL: | |
7051 | case BFD_RELOC_HI16_PCREL: | |
7052 | case BFD_RELOC_HI16_S_PCREL: | |
a680de9a | 7053 | case BFD_RELOC_PPC_REL16DX_HA: |
5656a981 AM |
7054 | case BFD_RELOC_64_PCREL: |
7055 | case BFD_RELOC_32_PCREL: | |
7056 | case BFD_RELOC_16_PCREL: | |
7057 | case BFD_RELOC_PPC_B16: | |
7058 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
7059 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
7060 | case BFD_RELOC_PPC_B26: | |
7061 | case BFD_RELOC_PPC_LOCAL24PC: | |
7062 | case BFD_RELOC_24_PLT_PCREL: | |
7063 | case BFD_RELOC_32_PLT_PCREL: | |
7064 | case BFD_RELOC_64_PLT_PCREL: | |
7065 | case BFD_RELOC_PPC_VLE_REL8: | |
7066 | case BFD_RELOC_PPC_VLE_REL15: | |
7067 | case BFD_RELOC_PPC_VLE_REL24: | |
7068 | break; | |
7069 | ||
7070 | default: | |
7071 | if (fixP->fx_addsy) | |
7072 | { | |
3b4dbbbf | 7073 | const char *sfile; |
5656a981 AM |
7074 | unsigned int sline; |
7075 | ||
7076 | /* Use expr_symbol_where to see if this is an | |
7077 | expression symbol. */ | |
7078 | if (expr_symbol_where (fixP->fx_addsy, &sfile, &sline)) | |
7079 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
7080 | _("unresolved expression that must" | |
7081 | " be resolved")); | |
7082 | else | |
7083 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
7084 | _("cannot emit PC relative %s relocation" | |
7085 | " against %s"), | |
7086 | bfd_get_reloc_code_name (fixP->fx_r_type), | |
7087 | S_GET_NAME (fixP->fx_addsy)); | |
7088 | } | |
7089 | else | |
7090 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
7091 | _("unable to resolve expression")); | |
7092 | fixP->fx_done = 1; | |
7093 | break; | |
7094 | } | |
252b5132 RH |
7095 | } |
7096 | ||
7097 | #ifdef OBJ_ELF | |
3b8b57a9 | 7098 | ppc_elf_validate_fix (fixP, seg); |
94f592af | 7099 | fixP->fx_addnumber = value; |
4e6935a6 AM |
7100 | |
7101 | /* PowerPC uses RELA relocs, ie. the reloc addend is stored separately | |
7102 | from the section contents. If we are going to be emitting a reloc | |
7103 | then the section contents are immaterial, so don't warn if they | |
7104 | happen to overflow. Leave such warnings to ld. */ | |
7105 | if (!fixP->fx_done) | |
a38a07e0 AM |
7106 | { |
7107 | fixP->fx_no_overflow = 1; | |
7108 | ||
7109 | /* Arrange to emit .TOC. as a normal symbol if used in anything | |
7110 | but .TOC.@tocbase. */ | |
7111 | if (ppc_obj64 | |
7112 | && fixP->fx_r_type != BFD_RELOC_PPC64_TOC | |
7113 | && fixP->fx_addsy != NULL | |
7114 | && strcmp (S_GET_NAME (fixP->fx_addsy), ".TOC.") == 0) | |
7115 | symbol_get_bfdsym (fixP->fx_addsy)->flags |= BSF_KEEP; | |
7116 | } | |
252b5132 | 7117 | #else |
94f592af NC |
7118 | if (fixP->fx_r_type != BFD_RELOC_PPC_TOC16) |
7119 | fixP->fx_addnumber = 0; | |
252b5132 RH |
7120 | else |
7121 | { | |
7122 | #ifdef TE_PE | |
94f592af | 7123 | fixP->fx_addnumber = 0; |
252b5132 | 7124 | #else |
8edcbfcd TG |
7125 | /* We want to use the offset within the toc, not the actual VMA |
7126 | of the symbol. */ | |
94f592af | 7127 | fixP->fx_addnumber = |
8edcbfcd TG |
7128 | - bfd_get_section_vma (stdoutput, S_GET_SEGMENT (fixP->fx_addsy)) |
7129 | - S_GET_VALUE (ppc_toc_csect); | |
ac21e7da TG |
7130 | /* Set *valP to avoid errors. */ |
7131 | *valP = value; | |
252b5132 RH |
7132 | #endif |
7133 | } | |
7134 | #endif | |
252b5132 RH |
7135 | } |
7136 | ||
7137 | /* Generate a reloc for a fixup. */ | |
7138 | ||
7139 | arelent * | |
98027b10 | 7140 | tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED, fixS *fixp) |
252b5132 RH |
7141 | { |
7142 | arelent *reloc; | |
7143 | ||
325801bd | 7144 | reloc = XNEW (arelent); |
252b5132 | 7145 | |
325801bd | 7146 | reloc->sym_ptr_ptr = XNEW (asymbol *); |
49309057 | 7147 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); |
252b5132 RH |
7148 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; |
7149 | reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type); | |
7150 | if (reloc->howto == (reloc_howto_type *) NULL) | |
7151 | { | |
7152 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
99a814a1 AM |
7153 | _("reloc %d not supported by object file format"), |
7154 | (int) fixp->fx_r_type); | |
252b5132 RH |
7155 | return NULL; |
7156 | } | |
7157 | reloc->addend = fixp->fx_addnumber; | |
7158 | ||
7159 | return reloc; | |
7160 | } | |
75e21f08 JJ |
7161 | |
7162 | void | |
98027b10 | 7163 | ppc_cfi_frame_initial_instructions (void) |
75e21f08 JJ |
7164 | { |
7165 | cfi_add_CFA_def_cfa (1, 0); | |
7166 | } | |
7167 | ||
7168 | int | |
1df69f4f | 7169 | tc_ppc_regname_to_dw2regnum (char *regname) |
75e21f08 JJ |
7170 | { |
7171 | unsigned int regnum = -1; | |
7172 | unsigned int i; | |
7173 | const char *p; | |
7174 | char *q; | |
e0471c16 | 7175 | static struct { const char *name; int dw2regnum; } regnames[] = |
75e21f08 JJ |
7176 | { |
7177 | { "sp", 1 }, { "r.sp", 1 }, { "rtoc", 2 }, { "r.toc", 2 }, | |
7178 | { "mq", 64 }, { "lr", 65 }, { "ctr", 66 }, { "ap", 67 }, | |
80f846b6 | 7179 | { "cr", 70 }, { "xer", 76 }, { "vrsave", 109 }, { "vscr", 110 }, |
75e21f08 JJ |
7180 | { "spe_acc", 111 }, { "spefscr", 112 } |
7181 | }; | |
7182 | ||
7183 | for (i = 0; i < ARRAY_SIZE (regnames); ++i) | |
7184 | if (strcmp (regnames[i].name, regname) == 0) | |
7185 | return regnames[i].dw2regnum; | |
7186 | ||
7187 | if (regname[0] == 'r' || regname[0] == 'f' || regname[0] == 'v') | |
7188 | { | |
7189 | p = regname + 1 + (regname[1] == '.'); | |
7190 | regnum = strtoul (p, &q, 10); | |
7191 | if (p == q || *q || regnum >= 32) | |
7192 | return -1; | |
7193 | if (regname[0] == 'f') | |
b7d7dc63 | 7194 | regnum += 32; |
75e21f08 | 7195 | else if (regname[0] == 'v') |
b7d7dc63 | 7196 | regnum += 77; |
75e21f08 JJ |
7197 | } |
7198 | else if (regname[0] == 'c' && regname[1] == 'r') | |
7199 | { | |
7200 | p = regname + 2 + (regname[2] == '.'); | |
7201 | if (p[0] < '0' || p[0] > '7' || p[1]) | |
b7d7dc63 | 7202 | return -1; |
75e21f08 JJ |
7203 | regnum = p[0] - '0' + 68; |
7204 | } | |
7205 | return regnum; | |
7206 | } |