Commit | Line | Data |
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252b5132 | 1 | /* tc-ppc.c -- Assemble for the PowerPC or POWER (RS/6000) |
b7d7dc63 | 2 | Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, |
9622b051 | 3 | 2004, 2005, 2006 Free Software Foundation, Inc. |
252b5132 RH |
4 | Written by Ian Lance Taylor, Cygnus Support. |
5 | ||
6 | This file is part of GAS, the GNU Assembler. | |
7 | ||
8 | GAS is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2, or (at your option) | |
11 | any later version. | |
12 | ||
13 | GAS is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with GAS; see the file COPYING. If not, write to the Free | |
4b4da160 NC |
20 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
21 | 02110-1301, USA. */ | |
252b5132 | 22 | |
252b5132 | 23 | #include "as.h" |
3882b010 | 24 | #include "safe-ctype.h" |
252b5132 | 25 | #include "subsegs.h" |
75e21f08 | 26 | #include "dw2gencfi.h" |
252b5132 RH |
27 | #include "opcode/ppc.h" |
28 | ||
29 | #ifdef OBJ_ELF | |
30 | #include "elf/ppc.h" | |
5d6f4f16 | 31 | #include "dwarf2dbg.h" |
252b5132 RH |
32 | #endif |
33 | ||
34 | #ifdef TE_PE | |
35 | #include "coff/pe.h" | |
36 | #endif | |
37 | ||
38 | /* This is the assembler for the PowerPC or POWER (RS/6000) chips. */ | |
39 | ||
40 | /* Tell the main code what the endianness is. */ | |
41 | extern int target_big_endian; | |
42 | ||
43 | /* Whether or not, we've set target_big_endian. */ | |
44 | static int set_target_endian = 0; | |
45 | ||
46 | /* Whether to use user friendly register names. */ | |
47 | #ifndef TARGET_REG_NAMES_P | |
48 | #ifdef TE_PE | |
b34976b6 | 49 | #define TARGET_REG_NAMES_P TRUE |
252b5132 | 50 | #else |
b34976b6 | 51 | #define TARGET_REG_NAMES_P FALSE |
252b5132 RH |
52 | #endif |
53 | #endif | |
54 | ||
0baf16f2 AM |
55 | /* Macros for calculating LO, HI, HA, HIGHER, HIGHERA, HIGHEST, |
56 | HIGHESTA. */ | |
57 | ||
58 | /* #lo(value) denotes the least significant 16 bits of the indicated. */ | |
59 | #define PPC_LO(v) ((v) & 0xffff) | |
60 | ||
61 | /* #hi(value) denotes bits 16 through 31 of the indicated value. */ | |
62 | #define PPC_HI(v) (((v) >> 16) & 0xffff) | |
63 | ||
64 | /* #ha(value) denotes the high adjusted value: bits 16 through 31 of | |
65 | the indicated value, compensating for #lo() being treated as a | |
66 | signed number. */ | |
15c1449b | 67 | #define PPC_HA(v) PPC_HI ((v) + 0x8000) |
0baf16f2 AM |
68 | |
69 | /* #higher(value) denotes bits 32 through 47 of the indicated value. */ | |
2a98c3a6 | 70 | #define PPC_HIGHER(v) (((v) >> 16 >> 16) & 0xffff) |
0baf16f2 AM |
71 | |
72 | /* #highera(value) denotes bits 32 through 47 of the indicated value, | |
73 | compensating for #lo() being treated as a signed number. */ | |
15c1449b | 74 | #define PPC_HIGHERA(v) PPC_HIGHER ((v) + 0x8000) |
0baf16f2 AM |
75 | |
76 | /* #highest(value) denotes bits 48 through 63 of the indicated value. */ | |
2a98c3a6 | 77 | #define PPC_HIGHEST(v) (((v) >> 24 >> 24) & 0xffff) |
0baf16f2 AM |
78 | |
79 | /* #highesta(value) denotes bits 48 through 63 of the indicated value, | |
15c1449b AM |
80 | compensating for #lo being treated as a signed number. */ |
81 | #define PPC_HIGHESTA(v) PPC_HIGHEST ((v) + 0x8000) | |
0baf16f2 AM |
82 | |
83 | #define SEX16(val) ((((val) & 0xffff) ^ 0x8000) - 0x8000) | |
84 | ||
b34976b6 | 85 | static bfd_boolean reg_names_p = TARGET_REG_NAMES_P; |
252b5132 | 86 | |
b34976b6 | 87 | static bfd_boolean register_name PARAMS ((expressionS *)); |
252b5132 RH |
88 | static void ppc_set_cpu PARAMS ((void)); |
89 | static unsigned long ppc_insert_operand | |
90 | PARAMS ((unsigned long insn, const struct powerpc_operand *operand, | |
91 | offsetT val, char *file, unsigned int line)); | |
92 | static void ppc_macro PARAMS ((char *str, const struct powerpc_macro *macro)); | |
93 | static void ppc_byte PARAMS ((int)); | |
0baf16f2 AM |
94 | |
95 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) | |
252b5132 RH |
96 | static int ppc_is_toc_sym PARAMS ((symbolS *sym)); |
97 | static void ppc_tc PARAMS ((int)); | |
0baf16f2 AM |
98 | static void ppc_machine PARAMS ((int)); |
99 | #endif | |
252b5132 RH |
100 | |
101 | #ifdef OBJ_XCOFF | |
102 | static void ppc_comm PARAMS ((int)); | |
103 | static void ppc_bb PARAMS ((int)); | |
104 | static void ppc_bc PARAMS ((int)); | |
105 | static void ppc_bf PARAMS ((int)); | |
106 | static void ppc_biei PARAMS ((int)); | |
107 | static void ppc_bs PARAMS ((int)); | |
108 | static void ppc_eb PARAMS ((int)); | |
109 | static void ppc_ec PARAMS ((int)); | |
110 | static void ppc_ef PARAMS ((int)); | |
111 | static void ppc_es PARAMS ((int)); | |
112 | static void ppc_csect PARAMS ((int)); | |
931e13a6 | 113 | static void ppc_change_csect PARAMS ((symbolS *, offsetT)); |
252b5132 RH |
114 | static void ppc_function PARAMS ((int)); |
115 | static void ppc_extern PARAMS ((int)); | |
116 | static void ppc_lglobl PARAMS ((int)); | |
117 | static void ppc_section PARAMS ((int)); | |
118 | static void ppc_named_section PARAMS ((int)); | |
119 | static void ppc_stabx PARAMS ((int)); | |
120 | static void ppc_rename PARAMS ((int)); | |
121 | static void ppc_toc PARAMS ((int)); | |
122 | static void ppc_xcoff_cons PARAMS ((int)); | |
123 | static void ppc_vbyte PARAMS ((int)); | |
124 | #endif | |
125 | ||
126 | #ifdef OBJ_ELF | |
127 | static bfd_reloc_code_real_type ppc_elf_suffix PARAMS ((char **, expressionS *)); | |
128 | static void ppc_elf_cons PARAMS ((int)); | |
129 | static void ppc_elf_rdata PARAMS ((int)); | |
130 | static void ppc_elf_lcomm PARAMS ((int)); | |
131 | static void ppc_elf_validate_fix PARAMS ((fixS *, segT)); | |
dc1d03fc | 132 | static void ppc_apuinfo_section_add PARAMS ((unsigned int apu, unsigned int version)); |
252b5132 RH |
133 | #endif |
134 | ||
135 | #ifdef TE_PE | |
136 | static void ppc_set_current_section PARAMS ((segT)); | |
137 | static void ppc_previous PARAMS ((int)); | |
138 | static void ppc_pdata PARAMS ((int)); | |
139 | static void ppc_ydata PARAMS ((int)); | |
140 | static void ppc_reldata PARAMS ((int)); | |
141 | static void ppc_rdata PARAMS ((int)); | |
142 | static void ppc_ualong PARAMS ((int)); | |
143 | static void ppc_znop PARAMS ((int)); | |
144 | static void ppc_pe_comm PARAMS ((int)); | |
145 | static void ppc_pe_section PARAMS ((int)); | |
146 | static void ppc_pe_function PARAMS ((int)); | |
147 | static void ppc_pe_tocd PARAMS ((int)); | |
148 | #endif | |
149 | \f | |
150 | /* Generic assembler global variables which must be defined by all | |
151 | targets. */ | |
152 | ||
153 | #ifdef OBJ_ELF | |
154 | /* This string holds the chars that always start a comment. If the | |
155 | pre-processor is disabled, these aren't very useful. The macro | |
156 | tc_comment_chars points to this. We use this, rather than the | |
157 | usual comment_chars, so that we can switch for Solaris conventions. */ | |
158 | static const char ppc_solaris_comment_chars[] = "#!"; | |
159 | static const char ppc_eabi_comment_chars[] = "#"; | |
160 | ||
161 | #ifdef TARGET_SOLARIS_COMMENT | |
162 | const char *ppc_comment_chars = ppc_solaris_comment_chars; | |
163 | #else | |
164 | const char *ppc_comment_chars = ppc_eabi_comment_chars; | |
165 | #endif | |
166 | #else | |
167 | const char comment_chars[] = "#"; | |
168 | #endif | |
169 | ||
170 | /* Characters which start a comment at the beginning of a line. */ | |
171 | const char line_comment_chars[] = "#"; | |
172 | ||
173 | /* Characters which may be used to separate multiple commands on a | |
174 | single line. */ | |
175 | const char line_separator_chars[] = ";"; | |
176 | ||
177 | /* Characters which are used to indicate an exponent in a floating | |
178 | point number. */ | |
179 | const char EXP_CHARS[] = "eE"; | |
180 | ||
181 | /* Characters which mean that a number is a floating point constant, | |
182 | as in 0d1.0. */ | |
183 | const char FLT_CHARS[] = "dD"; | |
5ce8663f | 184 | |
b7d7dc63 | 185 | /* '+' and '-' can be used as postfix predicate predictors for conditional |
ac805826 AM |
186 | branches. So they need to be accepted as symbol characters. |
187 | Also, anything that can start an operand needs to be mentioned here, | |
188 | to stop the input scrubber eating whitespace. */ | |
189 | const char ppc_symbol_chars[] = "+-%["; | |
75e21f08 JJ |
190 | |
191 | /* The dwarf2 data alignment, adjusted for 32 or 64 bit. */ | |
192 | int ppc_cie_data_alignment; | |
252b5132 RH |
193 | \f |
194 | /* The target specific pseudo-ops which we support. */ | |
195 | ||
196 | const pseudo_typeS md_pseudo_table[] = | |
197 | { | |
198 | /* Pseudo-ops which must be overridden. */ | |
199 | { "byte", ppc_byte, 0 }, | |
200 | ||
201 | #ifdef OBJ_XCOFF | |
202 | /* Pseudo-ops specific to the RS/6000 XCOFF format. Some of these | |
203 | legitimately belong in the obj-*.c file. However, XCOFF is based | |
204 | on COFF, and is only implemented for the RS/6000. We just use | |
205 | obj-coff.c, and add what we need here. */ | |
206 | { "comm", ppc_comm, 0 }, | |
207 | { "lcomm", ppc_comm, 1 }, | |
208 | { "bb", ppc_bb, 0 }, | |
209 | { "bc", ppc_bc, 0 }, | |
210 | { "bf", ppc_bf, 0 }, | |
211 | { "bi", ppc_biei, 0 }, | |
212 | { "bs", ppc_bs, 0 }, | |
213 | { "csect", ppc_csect, 0 }, | |
214 | { "data", ppc_section, 'd' }, | |
215 | { "eb", ppc_eb, 0 }, | |
216 | { "ec", ppc_ec, 0 }, | |
217 | { "ef", ppc_ef, 0 }, | |
218 | { "ei", ppc_biei, 1 }, | |
219 | { "es", ppc_es, 0 }, | |
220 | { "extern", ppc_extern, 0 }, | |
221 | { "function", ppc_function, 0 }, | |
222 | { "lglobl", ppc_lglobl, 0 }, | |
223 | { "rename", ppc_rename, 0 }, | |
224 | { "section", ppc_named_section, 0 }, | |
225 | { "stabx", ppc_stabx, 0 }, | |
226 | { "text", ppc_section, 't' }, | |
227 | { "toc", ppc_toc, 0 }, | |
228 | { "long", ppc_xcoff_cons, 2 }, | |
7f6d05e8 | 229 | { "llong", ppc_xcoff_cons, 3 }, |
252b5132 RH |
230 | { "word", ppc_xcoff_cons, 1 }, |
231 | { "short", ppc_xcoff_cons, 1 }, | |
232 | { "vbyte", ppc_vbyte, 0 }, | |
233 | #endif | |
234 | ||
235 | #ifdef OBJ_ELF | |
0baf16f2 AM |
236 | { "llong", ppc_elf_cons, 8 }, |
237 | { "quad", ppc_elf_cons, 8 }, | |
252b5132 RH |
238 | { "long", ppc_elf_cons, 4 }, |
239 | { "word", ppc_elf_cons, 2 }, | |
240 | { "short", ppc_elf_cons, 2 }, | |
241 | { "rdata", ppc_elf_rdata, 0 }, | |
242 | { "rodata", ppc_elf_rdata, 0 }, | |
243 | { "lcomm", ppc_elf_lcomm, 0 }, | |
244 | #endif | |
245 | ||
246 | #ifdef TE_PE | |
99a814a1 | 247 | /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */ |
252b5132 RH |
248 | { "previous", ppc_previous, 0 }, |
249 | { "pdata", ppc_pdata, 0 }, | |
250 | { "ydata", ppc_ydata, 0 }, | |
251 | { "reldata", ppc_reldata, 0 }, | |
252 | { "rdata", ppc_rdata, 0 }, | |
253 | { "ualong", ppc_ualong, 0 }, | |
254 | { "znop", ppc_znop, 0 }, | |
255 | { "comm", ppc_pe_comm, 0 }, | |
256 | { "lcomm", ppc_pe_comm, 1 }, | |
257 | { "section", ppc_pe_section, 0 }, | |
258 | { "function", ppc_pe_function,0 }, | |
259 | { "tocd", ppc_pe_tocd, 0 }, | |
260 | #endif | |
261 | ||
0baf16f2 | 262 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
252b5132 | 263 | { "tc", ppc_tc, 0 }, |
0baf16f2 AM |
264 | { "machine", ppc_machine, 0 }, |
265 | #endif | |
252b5132 RH |
266 | |
267 | { NULL, NULL, 0 } | |
268 | }; | |
269 | ||
270 | \f | |
99a814a1 AM |
271 | /* Predefined register names if -mregnames (or default for Windows NT). |
272 | In general, there are lots of them, in an attempt to be compatible | |
273 | with a number of other Windows NT assemblers. */ | |
252b5132 RH |
274 | |
275 | /* Structure to hold information about predefined registers. */ | |
276 | struct pd_reg | |
277 | { | |
278 | char *name; | |
279 | int value; | |
280 | }; | |
281 | ||
282 | /* List of registers that are pre-defined: | |
283 | ||
284 | Each general register has predefined names of the form: | |
285 | 1. r<reg_num> which has the value <reg_num>. | |
286 | 2. r.<reg_num> which has the value <reg_num>. | |
287 | ||
252b5132 RH |
288 | Each floating point register has predefined names of the form: |
289 | 1. f<reg_num> which has the value <reg_num>. | |
290 | 2. f.<reg_num> which has the value <reg_num>. | |
291 | ||
7a899fff C |
292 | Each vector unit register has predefined names of the form: |
293 | 1. v<reg_num> which has the value <reg_num>. | |
294 | 2. v.<reg_num> which has the value <reg_num>. | |
295 | ||
252b5132 RH |
296 | Each condition register has predefined names of the form: |
297 | 1. cr<reg_num> which has the value <reg_num>. | |
298 | 2. cr.<reg_num> which has the value <reg_num>. | |
299 | ||
300 | There are individual registers as well: | |
301 | sp or r.sp has the value 1 | |
302 | rtoc or r.toc has the value 2 | |
303 | fpscr has the value 0 | |
304 | xer has the value 1 | |
305 | lr has the value 8 | |
306 | ctr has the value 9 | |
307 | pmr has the value 0 | |
308 | dar has the value 19 | |
309 | dsisr has the value 18 | |
310 | dec has the value 22 | |
311 | sdr1 has the value 25 | |
312 | srr0 has the value 26 | |
313 | srr1 has the value 27 | |
314 | ||
81d4177b | 315 | The table is sorted. Suitable for searching by a binary search. */ |
252b5132 RH |
316 | |
317 | static const struct pd_reg pre_defined_registers[] = | |
318 | { | |
319 | { "cr.0", 0 }, /* Condition Registers */ | |
320 | { "cr.1", 1 }, | |
321 | { "cr.2", 2 }, | |
322 | { "cr.3", 3 }, | |
323 | { "cr.4", 4 }, | |
324 | { "cr.5", 5 }, | |
325 | { "cr.6", 6 }, | |
326 | { "cr.7", 7 }, | |
327 | ||
328 | { "cr0", 0 }, | |
329 | { "cr1", 1 }, | |
330 | { "cr2", 2 }, | |
331 | { "cr3", 3 }, | |
332 | { "cr4", 4 }, | |
333 | { "cr5", 5 }, | |
334 | { "cr6", 6 }, | |
335 | { "cr7", 7 }, | |
336 | ||
337 | { "ctr", 9 }, | |
338 | ||
339 | { "dar", 19 }, /* Data Access Register */ | |
340 | { "dec", 22 }, /* Decrementer */ | |
341 | { "dsisr", 18 }, /* Data Storage Interrupt Status Register */ | |
342 | ||
343 | { "f.0", 0 }, /* Floating point registers */ | |
81d4177b KH |
344 | { "f.1", 1 }, |
345 | { "f.10", 10 }, | |
346 | { "f.11", 11 }, | |
347 | { "f.12", 12 }, | |
348 | { "f.13", 13 }, | |
349 | { "f.14", 14 }, | |
350 | { "f.15", 15 }, | |
351 | { "f.16", 16 }, | |
352 | { "f.17", 17 }, | |
353 | { "f.18", 18 }, | |
354 | { "f.19", 19 }, | |
355 | { "f.2", 2 }, | |
356 | { "f.20", 20 }, | |
357 | { "f.21", 21 }, | |
358 | { "f.22", 22 }, | |
359 | { "f.23", 23 }, | |
360 | { "f.24", 24 }, | |
361 | { "f.25", 25 }, | |
362 | { "f.26", 26 }, | |
363 | { "f.27", 27 }, | |
364 | { "f.28", 28 }, | |
365 | { "f.29", 29 }, | |
366 | { "f.3", 3 }, | |
252b5132 RH |
367 | { "f.30", 30 }, |
368 | { "f.31", 31 }, | |
81d4177b KH |
369 | { "f.4", 4 }, |
370 | { "f.5", 5 }, | |
371 | { "f.6", 6 }, | |
372 | { "f.7", 7 }, | |
373 | { "f.8", 8 }, | |
374 | { "f.9", 9 }, | |
375 | ||
376 | { "f0", 0 }, | |
377 | { "f1", 1 }, | |
378 | { "f10", 10 }, | |
379 | { "f11", 11 }, | |
380 | { "f12", 12 }, | |
381 | { "f13", 13 }, | |
382 | { "f14", 14 }, | |
383 | { "f15", 15 }, | |
384 | { "f16", 16 }, | |
385 | { "f17", 17 }, | |
386 | { "f18", 18 }, | |
387 | { "f19", 19 }, | |
388 | { "f2", 2 }, | |
389 | { "f20", 20 }, | |
390 | { "f21", 21 }, | |
391 | { "f22", 22 }, | |
392 | { "f23", 23 }, | |
393 | { "f24", 24 }, | |
394 | { "f25", 25 }, | |
395 | { "f26", 26 }, | |
396 | { "f27", 27 }, | |
397 | { "f28", 28 }, | |
398 | { "f29", 29 }, | |
399 | { "f3", 3 }, | |
252b5132 RH |
400 | { "f30", 30 }, |
401 | { "f31", 31 }, | |
81d4177b KH |
402 | { "f4", 4 }, |
403 | { "f5", 5 }, | |
404 | { "f6", 6 }, | |
405 | { "f7", 7 }, | |
406 | { "f8", 8 }, | |
407 | { "f9", 9 }, | |
252b5132 RH |
408 | |
409 | { "fpscr", 0 }, | |
410 | ||
411 | { "lr", 8 }, /* Link Register */ | |
412 | ||
413 | { "pmr", 0 }, | |
414 | ||
415 | { "r.0", 0 }, /* General Purpose Registers */ | |
416 | { "r.1", 1 }, | |
417 | { "r.10", 10 }, | |
418 | { "r.11", 11 }, | |
419 | { "r.12", 12 }, | |
420 | { "r.13", 13 }, | |
421 | { "r.14", 14 }, | |
422 | { "r.15", 15 }, | |
423 | { "r.16", 16 }, | |
424 | { "r.17", 17 }, | |
425 | { "r.18", 18 }, | |
426 | { "r.19", 19 }, | |
427 | { "r.2", 2 }, | |
428 | { "r.20", 20 }, | |
429 | { "r.21", 21 }, | |
430 | { "r.22", 22 }, | |
431 | { "r.23", 23 }, | |
432 | { "r.24", 24 }, | |
433 | { "r.25", 25 }, | |
434 | { "r.26", 26 }, | |
435 | { "r.27", 27 }, | |
436 | { "r.28", 28 }, | |
437 | { "r.29", 29 }, | |
438 | { "r.3", 3 }, | |
439 | { "r.30", 30 }, | |
440 | { "r.31", 31 }, | |
441 | { "r.4", 4 }, | |
442 | { "r.5", 5 }, | |
443 | { "r.6", 6 }, | |
444 | { "r.7", 7 }, | |
445 | { "r.8", 8 }, | |
446 | { "r.9", 9 }, | |
447 | ||
448 | { "r.sp", 1 }, /* Stack Pointer */ | |
449 | ||
450 | { "r.toc", 2 }, /* Pointer to the table of contents */ | |
451 | ||
452 | { "r0", 0 }, /* More general purpose registers */ | |
453 | { "r1", 1 }, | |
454 | { "r10", 10 }, | |
455 | { "r11", 11 }, | |
456 | { "r12", 12 }, | |
457 | { "r13", 13 }, | |
458 | { "r14", 14 }, | |
459 | { "r15", 15 }, | |
460 | { "r16", 16 }, | |
461 | { "r17", 17 }, | |
462 | { "r18", 18 }, | |
463 | { "r19", 19 }, | |
464 | { "r2", 2 }, | |
465 | { "r20", 20 }, | |
466 | { "r21", 21 }, | |
467 | { "r22", 22 }, | |
468 | { "r23", 23 }, | |
469 | { "r24", 24 }, | |
470 | { "r25", 25 }, | |
471 | { "r26", 26 }, | |
472 | { "r27", 27 }, | |
473 | { "r28", 28 }, | |
474 | { "r29", 29 }, | |
475 | { "r3", 3 }, | |
476 | { "r30", 30 }, | |
477 | { "r31", 31 }, | |
478 | { "r4", 4 }, | |
479 | { "r5", 5 }, | |
480 | { "r6", 6 }, | |
481 | { "r7", 7 }, | |
482 | { "r8", 8 }, | |
483 | { "r9", 9 }, | |
484 | ||
485 | { "rtoc", 2 }, /* Table of contents */ | |
486 | ||
487 | { "sdr1", 25 }, /* Storage Description Register 1 */ | |
488 | ||
489 | { "sp", 1 }, | |
490 | ||
491 | { "srr0", 26 }, /* Machine Status Save/Restore Register 0 */ | |
492 | { "srr1", 27 }, /* Machine Status Save/Restore Register 1 */ | |
81d4177b | 493 | |
7a899fff | 494 | { "v.0", 0 }, /* Vector registers */ |
81d4177b KH |
495 | { "v.1", 1 }, |
496 | { "v.10", 10 }, | |
497 | { "v.11", 11 }, | |
498 | { "v.12", 12 }, | |
499 | { "v.13", 13 }, | |
500 | { "v.14", 14 }, | |
501 | { "v.15", 15 }, | |
502 | { "v.16", 16 }, | |
503 | { "v.17", 17 }, | |
504 | { "v.18", 18 }, | |
505 | { "v.19", 19 }, | |
506 | { "v.2", 2 }, | |
507 | { "v.20", 20 }, | |
508 | { "v.21", 21 }, | |
509 | { "v.22", 22 }, | |
510 | { "v.23", 23 }, | |
511 | { "v.24", 24 }, | |
512 | { "v.25", 25 }, | |
513 | { "v.26", 26 }, | |
514 | { "v.27", 27 }, | |
515 | { "v.28", 28 }, | |
516 | { "v.29", 29 }, | |
517 | { "v.3", 3 }, | |
7a899fff C |
518 | { "v.30", 30 }, |
519 | { "v.31", 31 }, | |
81d4177b KH |
520 | { "v.4", 4 }, |
521 | { "v.5", 5 }, | |
522 | { "v.6", 6 }, | |
523 | { "v.7", 7 }, | |
524 | { "v.8", 8 }, | |
525 | { "v.9", 9 }, | |
7a899fff C |
526 | |
527 | { "v0", 0 }, | |
81d4177b KH |
528 | { "v1", 1 }, |
529 | { "v10", 10 }, | |
530 | { "v11", 11 }, | |
531 | { "v12", 12 }, | |
532 | { "v13", 13 }, | |
533 | { "v14", 14 }, | |
534 | { "v15", 15 }, | |
535 | { "v16", 16 }, | |
536 | { "v17", 17 }, | |
537 | { "v18", 18 }, | |
538 | { "v19", 19 }, | |
539 | { "v2", 2 }, | |
540 | { "v20", 20 }, | |
541 | { "v21", 21 }, | |
542 | { "v22", 22 }, | |
543 | { "v23", 23 }, | |
544 | { "v24", 24 }, | |
545 | { "v25", 25 }, | |
546 | { "v26", 26 }, | |
547 | { "v27", 27 }, | |
548 | { "v28", 28 }, | |
549 | { "v29", 29 }, | |
550 | { "v3", 3 }, | |
7a899fff C |
551 | { "v30", 30 }, |
552 | { "v31", 31 }, | |
81d4177b KH |
553 | { "v4", 4 }, |
554 | { "v5", 5 }, | |
555 | { "v6", 6 }, | |
556 | { "v7", 7 }, | |
557 | { "v8", 8 }, | |
7a899fff | 558 | { "v9", 9 }, |
252b5132 RH |
559 | |
560 | { "xer", 1 }, | |
561 | ||
562 | }; | |
563 | ||
bc805888 | 564 | #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg)) |
252b5132 RH |
565 | |
566 | /* Given NAME, find the register number associated with that name, return | |
567 | the integer value associated with the given name or -1 on failure. */ | |
568 | ||
569 | static int reg_name_search | |
570 | PARAMS ((const struct pd_reg *, int, const char * name)); | |
571 | ||
572 | static int | |
573 | reg_name_search (regs, regcount, name) | |
574 | const struct pd_reg *regs; | |
575 | int regcount; | |
576 | const char *name; | |
577 | { | |
578 | int middle, low, high; | |
579 | int cmp; | |
580 | ||
581 | low = 0; | |
582 | high = regcount - 1; | |
583 | ||
584 | do | |
585 | { | |
586 | middle = (low + high) / 2; | |
587 | cmp = strcasecmp (name, regs[middle].name); | |
588 | if (cmp < 0) | |
589 | high = middle - 1; | |
590 | else if (cmp > 0) | |
591 | low = middle + 1; | |
592 | else | |
593 | return regs[middle].value; | |
594 | } | |
595 | while (low <= high); | |
596 | ||
597 | return -1; | |
598 | } | |
599 | ||
600 | /* | |
99a814a1 | 601 | * Summary of register_name. |
252b5132 RH |
602 | * |
603 | * in: Input_line_pointer points to 1st char of operand. | |
604 | * | |
605 | * out: A expressionS. | |
606 | * The operand may have been a register: in this case, X_op == O_register, | |
607 | * X_add_number is set to the register number, and truth is returned. | |
608 | * Input_line_pointer->(next non-blank) char after operand, or is in its | |
609 | * original state. | |
610 | */ | |
611 | ||
b34976b6 | 612 | static bfd_boolean |
252b5132 RH |
613 | register_name (expressionP) |
614 | expressionS *expressionP; | |
615 | { | |
616 | int reg_number; | |
617 | char *name; | |
618 | char *start; | |
619 | char c; | |
620 | ||
99a814a1 | 621 | /* Find the spelling of the operand. */ |
252b5132 | 622 | start = name = input_line_pointer; |
3882b010 | 623 | if (name[0] == '%' && ISALPHA (name[1])) |
252b5132 RH |
624 | name = ++input_line_pointer; |
625 | ||
3882b010 | 626 | else if (!reg_names_p || !ISALPHA (name[0])) |
b34976b6 | 627 | return FALSE; |
252b5132 RH |
628 | |
629 | c = get_symbol_end (); | |
630 | reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT, name); | |
631 | ||
468cced8 AM |
632 | /* Put back the delimiting char. */ |
633 | *input_line_pointer = c; | |
634 | ||
99a814a1 | 635 | /* Look to see if it's in the register table. */ |
81d4177b | 636 | if (reg_number >= 0) |
252b5132 RH |
637 | { |
638 | expressionP->X_op = O_register; | |
639 | expressionP->X_add_number = reg_number; | |
81d4177b | 640 | |
99a814a1 | 641 | /* Make the rest nice. */ |
252b5132 RH |
642 | expressionP->X_add_symbol = NULL; |
643 | expressionP->X_op_symbol = NULL; | |
b34976b6 | 644 | return TRUE; |
252b5132 | 645 | } |
468cced8 AM |
646 | |
647 | /* Reset the line as if we had not done anything. */ | |
648 | input_line_pointer = start; | |
b34976b6 | 649 | return FALSE; |
252b5132 RH |
650 | } |
651 | \f | |
652 | /* This function is called for each symbol seen in an expression. It | |
653 | handles the special parsing which PowerPC assemblers are supposed | |
654 | to use for condition codes. */ | |
655 | ||
656 | /* Whether to do the special parsing. */ | |
b34976b6 | 657 | static bfd_boolean cr_operand; |
252b5132 RH |
658 | |
659 | /* Names to recognize in a condition code. This table is sorted. */ | |
660 | static const struct pd_reg cr_names[] = | |
661 | { | |
662 | { "cr0", 0 }, | |
663 | { "cr1", 1 }, | |
664 | { "cr2", 2 }, | |
665 | { "cr3", 3 }, | |
666 | { "cr4", 4 }, | |
667 | { "cr5", 5 }, | |
668 | { "cr6", 6 }, | |
669 | { "cr7", 7 }, | |
670 | { "eq", 2 }, | |
671 | { "gt", 1 }, | |
672 | { "lt", 0 }, | |
673 | { "so", 3 }, | |
674 | { "un", 3 } | |
675 | }; | |
676 | ||
677 | /* Parsing function. This returns non-zero if it recognized an | |
678 | expression. */ | |
679 | ||
680 | int | |
681 | ppc_parse_name (name, expr) | |
682 | const char *name; | |
683 | expressionS *expr; | |
684 | { | |
685 | int val; | |
686 | ||
687 | if (! cr_operand) | |
688 | return 0; | |
689 | ||
690 | val = reg_name_search (cr_names, sizeof cr_names / sizeof cr_names[0], | |
691 | name); | |
692 | if (val < 0) | |
693 | return 0; | |
694 | ||
695 | expr->X_op = O_constant; | |
696 | expr->X_add_number = val; | |
697 | ||
698 | return 1; | |
699 | } | |
700 | \f | |
701 | /* Local variables. */ | |
702 | ||
703 | /* The type of processor we are assembling for. This is one or more | |
704 | of the PPC_OPCODE flags defined in opcode/ppc.h. */ | |
2b3c4602 | 705 | static unsigned long ppc_cpu = 0; |
252b5132 | 706 | |
2b3c4602 AM |
707 | /* Whether to target xcoff64/elf64. */ |
708 | static unsigned int ppc_obj64 = BFD_DEFAULT_TARGET_SIZE == 64; | |
7f6d05e8 | 709 | |
252b5132 RH |
710 | /* Opcode hash table. */ |
711 | static struct hash_control *ppc_hash; | |
712 | ||
713 | /* Macro hash table. */ | |
714 | static struct hash_control *ppc_macro_hash; | |
715 | ||
716 | #ifdef OBJ_ELF | |
99a814a1 | 717 | /* What type of shared library support to use. */ |
5d6f4f16 | 718 | static enum { SHLIB_NONE, SHLIB_PIC, SHLIB_MRELOCATABLE } shlib = SHLIB_NONE; |
252b5132 | 719 | |
99a814a1 | 720 | /* Flags to set in the elf header. */ |
252b5132 RH |
721 | static flagword ppc_flags = 0; |
722 | ||
723 | /* Whether this is Solaris or not. */ | |
724 | #ifdef TARGET_SOLARIS_COMMENT | |
b34976b6 | 725 | #define SOLARIS_P TRUE |
252b5132 | 726 | #else |
b34976b6 | 727 | #define SOLARIS_P FALSE |
252b5132 RH |
728 | #endif |
729 | ||
b34976b6 | 730 | static bfd_boolean msolaris = SOLARIS_P; |
252b5132 RH |
731 | #endif |
732 | ||
733 | #ifdef OBJ_XCOFF | |
734 | ||
735 | /* The RS/6000 assembler uses the .csect pseudo-op to generate code | |
736 | using a bunch of different sections. These assembler sections, | |
737 | however, are all encompassed within the .text or .data sections of | |
738 | the final output file. We handle this by using different | |
739 | subsegments within these main segments. */ | |
740 | ||
741 | /* Next subsegment to allocate within the .text segment. */ | |
742 | static subsegT ppc_text_subsegment = 2; | |
743 | ||
744 | /* Linked list of csects in the text section. */ | |
745 | static symbolS *ppc_text_csects; | |
746 | ||
747 | /* Next subsegment to allocate within the .data segment. */ | |
748 | static subsegT ppc_data_subsegment = 2; | |
749 | ||
750 | /* Linked list of csects in the data section. */ | |
751 | static symbolS *ppc_data_csects; | |
752 | ||
753 | /* The current csect. */ | |
754 | static symbolS *ppc_current_csect; | |
755 | ||
756 | /* The RS/6000 assembler uses a TOC which holds addresses of functions | |
757 | and variables. Symbols are put in the TOC with the .tc pseudo-op. | |
758 | A special relocation is used when accessing TOC entries. We handle | |
759 | the TOC as a subsegment within the .data segment. We set it up if | |
760 | we see a .toc pseudo-op, and save the csect symbol here. */ | |
761 | static symbolS *ppc_toc_csect; | |
762 | ||
763 | /* The first frag in the TOC subsegment. */ | |
764 | static fragS *ppc_toc_frag; | |
765 | ||
766 | /* The first frag in the first subsegment after the TOC in the .data | |
767 | segment. NULL if there are no subsegments after the TOC. */ | |
768 | static fragS *ppc_after_toc_frag; | |
769 | ||
770 | /* The current static block. */ | |
771 | static symbolS *ppc_current_block; | |
772 | ||
773 | /* The COFF debugging section; set by md_begin. This is not the | |
774 | .debug section, but is instead the secret BFD section which will | |
775 | cause BFD to set the section number of a symbol to N_DEBUG. */ | |
776 | static asection *ppc_coff_debug_section; | |
777 | ||
778 | #endif /* OBJ_XCOFF */ | |
779 | ||
780 | #ifdef TE_PE | |
781 | ||
782 | /* Various sections that we need for PE coff support. */ | |
783 | static segT ydata_section; | |
784 | static segT pdata_section; | |
785 | static segT reldata_section; | |
786 | static segT rdata_section; | |
787 | static segT tocdata_section; | |
788 | ||
81d4177b | 789 | /* The current section and the previous section. See ppc_previous. */ |
252b5132 RH |
790 | static segT ppc_previous_section; |
791 | static segT ppc_current_section; | |
792 | ||
793 | #endif /* TE_PE */ | |
794 | ||
795 | #ifdef OBJ_ELF | |
796 | symbolS *GOT_symbol; /* Pre-defined "_GLOBAL_OFFSET_TABLE" */ | |
6a0c61b7 EZ |
797 | #define PPC_APUINFO_ISEL 0x40 |
798 | #define PPC_APUINFO_PMR 0x41 | |
799 | #define PPC_APUINFO_RFMCI 0x42 | |
800 | #define PPC_APUINFO_CACHELCK 0x43 | |
801 | #define PPC_APUINFO_SPE 0x100 | |
802 | #define PPC_APUINFO_EFS 0x101 | |
803 | #define PPC_APUINFO_BRLOCK 0x102 | |
804 | ||
b34976b6 AM |
805 | /* |
806 | * We keep a list of APUinfo | |
6a0c61b7 EZ |
807 | */ |
808 | unsigned long *ppc_apuinfo_list; | |
809 | unsigned int ppc_apuinfo_num; | |
810 | unsigned int ppc_apuinfo_num_alloc; | |
252b5132 RH |
811 | #endif /* OBJ_ELF */ |
812 | \f | |
813 | #ifdef OBJ_ELF | |
15c1449b | 814 | const char *const md_shortopts = "b:l:usm:K:VQ:"; |
252b5132 | 815 | #else |
15c1449b | 816 | const char *const md_shortopts = "um:"; |
252b5132 | 817 | #endif |
15c1449b | 818 | const struct option md_longopts[] = { |
252b5132 RH |
819 | {NULL, no_argument, NULL, 0} |
820 | }; | |
15c1449b | 821 | const size_t md_longopts_size = sizeof (md_longopts); |
252b5132 | 822 | |
69c040df AM |
823 | |
824 | /* Handle -m options that set cpu type, and .machine arg. */ | |
825 | ||
826 | static int | |
827 | parse_cpu (const char *arg) | |
828 | { | |
829 | /* -mpwrx and -mpwr2 mean to assemble for the IBM POWER/2 | |
830 | (RIOS2). */ | |
831 | if (strcmp (arg, "pwrx") == 0 || strcmp (arg, "pwr2") == 0) | |
832 | ppc_cpu = PPC_OPCODE_POWER | PPC_OPCODE_POWER2 | PPC_OPCODE_32; | |
833 | /* -mpwr means to assemble for the IBM POWER (RIOS1). */ | |
834 | else if (strcmp (arg, "pwr") == 0) | |
835 | ppc_cpu = PPC_OPCODE_POWER | PPC_OPCODE_32; | |
836 | /* -m601 means to assemble for the PowerPC 601, which includes | |
837 | instructions that are holdovers from the Power. */ | |
838 | else if (strcmp (arg, "601") == 0) | |
839 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
840 | | PPC_OPCODE_601 | PPC_OPCODE_32); | |
841 | /* -mppc, -mppc32, -m603, and -m604 mean to assemble for the | |
842 | PowerPC 603/604. */ | |
843 | else if (strcmp (arg, "ppc") == 0 | |
844 | || strcmp (arg, "ppc32") == 0 | |
845 | || strcmp (arg, "603") == 0 | |
846 | || strcmp (arg, "604") == 0) | |
847 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32; | |
848 | /* -m403 and -m405 mean to assemble for the PowerPC 403/405. */ | |
849 | else if (strcmp (arg, "403") == 0 | |
850 | || strcmp (arg, "405") == 0) | |
851 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
852 | | PPC_OPCODE_403 | PPC_OPCODE_32); | |
853 | else if (strcmp (arg, "440") == 0) | |
854 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32 | |
855 | | PPC_OPCODE_440 | PPC_OPCODE_ISEL | PPC_OPCODE_RFMCI); | |
856 | else if (strcmp (arg, "7400") == 0 | |
857 | || strcmp (arg, "7410") == 0 | |
858 | || strcmp (arg, "7450") == 0 | |
859 | || strcmp (arg, "7455") == 0) | |
860 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
861 | | PPC_OPCODE_ALTIVEC | PPC_OPCODE_32); | |
36ae0db3 DJ |
862 | else if (strcmp (arg, "e300") == 0) |
863 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32 | |
864 | | PPC_OPCODE_E300); | |
69c040df AM |
865 | else if (strcmp (arg, "altivec") == 0) |
866 | { | |
867 | if (ppc_cpu == 0) | |
868 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ALTIVEC; | |
869 | else | |
870 | ppc_cpu |= PPC_OPCODE_ALTIVEC; | |
871 | } | |
872 | else if (strcmp (arg, "e500") == 0 || strcmp (arg, "e500x2") == 0) | |
873 | { | |
874 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_SPE | |
875 | | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK | |
876 | | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | |
877 | | PPC_OPCODE_RFMCI); | |
878 | } | |
879 | else if (strcmp (arg, "spe") == 0) | |
880 | { | |
881 | if (ppc_cpu == 0) | |
882 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_SPE | PPC_OPCODE_EFS; | |
883 | else | |
884 | ppc_cpu |= PPC_OPCODE_SPE; | |
885 | } | |
886 | /* -mppc64 and -m620 mean to assemble for the 64-bit PowerPC | |
887 | 620. */ | |
888 | else if (strcmp (arg, "ppc64") == 0 || strcmp (arg, "620") == 0) | |
889 | { | |
890 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64; | |
891 | } | |
892 | else if (strcmp (arg, "ppc64bridge") == 0) | |
893 | { | |
894 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
895 | | PPC_OPCODE_64_BRIDGE | PPC_OPCODE_64); | |
896 | } | |
897 | /* -mbooke/-mbooke32 mean enable 32-bit BookE support. */ | |
898 | else if (strcmp (arg, "booke") == 0 || strcmp (arg, "booke32") == 0) | |
899 | { | |
900 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32; | |
901 | } | |
902 | /* -mbooke64 means enable 64-bit BookE support. */ | |
903 | else if (strcmp (arg, "booke64") == 0) | |
904 | { | |
905 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | |
906 | | PPC_OPCODE_BOOKE64 | PPC_OPCODE_64); | |
907 | } | |
908 | else if (strcmp (arg, "power4") == 0) | |
909 | { | |
910 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
911 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4); | |
912 | } | |
b0648eec AM |
913 | else if (strcmp (arg, "power5") == 0) |
914 | { | |
915 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
916 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | |
917 | | PPC_OPCODE_POWER5); | |
918 | } | |
9622b051 AM |
919 | else if (strcmp (arg, "power6") == 0) |
920 | { | |
921 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
922 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | |
923 | | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6); | |
924 | } | |
69c040df AM |
925 | /* -mcom means assemble for the common intersection between Power |
926 | and PowerPC. At present, we just allow the union, rather | |
927 | than the intersection. */ | |
928 | else if (strcmp (arg, "com") == 0) | |
929 | ppc_cpu = PPC_OPCODE_COMMON | PPC_OPCODE_32; | |
930 | /* -many means to assemble for any architecture (PWR/PWRX/PPC). */ | |
931 | else if (strcmp (arg, "any") == 0) | |
932 | ppc_cpu |= PPC_OPCODE_ANY; | |
933 | else | |
934 | return 0; | |
935 | ||
936 | return 1; | |
937 | } | |
938 | ||
252b5132 RH |
939 | int |
940 | md_parse_option (c, arg) | |
941 | int c; | |
942 | char *arg; | |
943 | { | |
944 | switch (c) | |
945 | { | |
946 | case 'u': | |
947 | /* -u means that any undefined symbols should be treated as | |
948 | external, which is the default for gas anyhow. */ | |
949 | break; | |
950 | ||
951 | #ifdef OBJ_ELF | |
952 | case 'l': | |
953 | /* Solaris as takes -le (presumably for little endian). For completeness | |
99a814a1 | 954 | sake, recognize -be also. */ |
252b5132 RH |
955 | if (strcmp (arg, "e") == 0) |
956 | { | |
957 | target_big_endian = 0; | |
958 | set_target_endian = 1; | |
959 | } | |
960 | else | |
961 | return 0; | |
962 | ||
963 | break; | |
964 | ||
965 | case 'b': | |
966 | if (strcmp (arg, "e") == 0) | |
967 | { | |
968 | target_big_endian = 1; | |
969 | set_target_endian = 1; | |
970 | } | |
971 | else | |
972 | return 0; | |
973 | ||
974 | break; | |
975 | ||
976 | case 'K': | |
99a814a1 | 977 | /* Recognize -K PIC. */ |
252b5132 RH |
978 | if (strcmp (arg, "PIC") == 0 || strcmp (arg, "pic") == 0) |
979 | { | |
980 | shlib = SHLIB_PIC; | |
981 | ppc_flags |= EF_PPC_RELOCATABLE_LIB; | |
982 | } | |
983 | else | |
984 | return 0; | |
985 | ||
986 | break; | |
987 | #endif | |
988 | ||
7f6d05e8 CP |
989 | /* a64 and a32 determine whether to use XCOFF64 or XCOFF32. */ |
990 | case 'a': | |
991 | if (strcmp (arg, "64") == 0) | |
2a98c3a6 AM |
992 | { |
993 | #ifdef BFD64 | |
994 | ppc_obj64 = 1; | |
995 | #else | |
996 | as_fatal (_("%s unsupported"), "-a64"); | |
997 | #endif | |
998 | } | |
7f6d05e8 | 999 | else if (strcmp (arg, "32") == 0) |
2b3c4602 | 1000 | ppc_obj64 = 0; |
7f6d05e8 CP |
1001 | else |
1002 | return 0; | |
1003 | break; | |
81d4177b | 1004 | |
252b5132 | 1005 | case 'm': |
69c040df AM |
1006 | if (parse_cpu (arg)) |
1007 | ; | |
252b5132 RH |
1008 | |
1009 | else if (strcmp (arg, "regnames") == 0) | |
b34976b6 | 1010 | reg_names_p = TRUE; |
252b5132 RH |
1011 | |
1012 | else if (strcmp (arg, "no-regnames") == 0) | |
b34976b6 | 1013 | reg_names_p = FALSE; |
252b5132 RH |
1014 | |
1015 | #ifdef OBJ_ELF | |
99a814a1 AM |
1016 | /* -mrelocatable/-mrelocatable-lib -- warn about initializations |
1017 | that require relocation. */ | |
252b5132 RH |
1018 | else if (strcmp (arg, "relocatable") == 0) |
1019 | { | |
5d6f4f16 | 1020 | shlib = SHLIB_MRELOCATABLE; |
252b5132 RH |
1021 | ppc_flags |= EF_PPC_RELOCATABLE; |
1022 | } | |
1023 | ||
1024 | else if (strcmp (arg, "relocatable-lib") == 0) | |
1025 | { | |
5d6f4f16 | 1026 | shlib = SHLIB_MRELOCATABLE; |
252b5132 RH |
1027 | ppc_flags |= EF_PPC_RELOCATABLE_LIB; |
1028 | } | |
1029 | ||
99a814a1 | 1030 | /* -memb, set embedded bit. */ |
252b5132 RH |
1031 | else if (strcmp (arg, "emb") == 0) |
1032 | ppc_flags |= EF_PPC_EMB; | |
1033 | ||
99a814a1 AM |
1034 | /* -mlittle/-mbig set the endianess. */ |
1035 | else if (strcmp (arg, "little") == 0 | |
1036 | || strcmp (arg, "little-endian") == 0) | |
252b5132 RH |
1037 | { |
1038 | target_big_endian = 0; | |
1039 | set_target_endian = 1; | |
1040 | } | |
1041 | ||
1042 | else if (strcmp (arg, "big") == 0 || strcmp (arg, "big-endian") == 0) | |
1043 | { | |
1044 | target_big_endian = 1; | |
1045 | set_target_endian = 1; | |
1046 | } | |
1047 | ||
1048 | else if (strcmp (arg, "solaris") == 0) | |
1049 | { | |
b34976b6 | 1050 | msolaris = TRUE; |
252b5132 RH |
1051 | ppc_comment_chars = ppc_solaris_comment_chars; |
1052 | } | |
1053 | ||
1054 | else if (strcmp (arg, "no-solaris") == 0) | |
1055 | { | |
b34976b6 | 1056 | msolaris = FALSE; |
252b5132 RH |
1057 | ppc_comment_chars = ppc_eabi_comment_chars; |
1058 | } | |
1059 | #endif | |
1060 | else | |
1061 | { | |
1062 | as_bad (_("invalid switch -m%s"), arg); | |
1063 | return 0; | |
1064 | } | |
1065 | break; | |
1066 | ||
1067 | #ifdef OBJ_ELF | |
1068 | /* -V: SVR4 argument to print version ID. */ | |
1069 | case 'V': | |
1070 | print_version_id (); | |
1071 | break; | |
1072 | ||
1073 | /* -Qy, -Qn: SVR4 arguments controlling whether a .comment section | |
1074 | should be emitted or not. FIXME: Not implemented. */ | |
1075 | case 'Q': | |
1076 | break; | |
1077 | ||
1078 | /* Solaris takes -s to specify that .stabs go in a .stabs section, | |
1079 | rather than .stabs.excl, which is ignored by the linker. | |
1080 | FIXME: Not implemented. */ | |
1081 | case 's': | |
1082 | if (arg) | |
1083 | return 0; | |
1084 | ||
1085 | break; | |
1086 | #endif | |
1087 | ||
1088 | default: | |
1089 | return 0; | |
1090 | } | |
1091 | ||
1092 | return 1; | |
1093 | } | |
1094 | ||
1095 | void | |
1096 | md_show_usage (stream) | |
1097 | FILE *stream; | |
1098 | { | |
bc805888 | 1099 | fprintf (stream, _("\ |
252b5132 | 1100 | PowerPC options:\n\ |
df12615d AM |
1101 | -a32 generate ELF32/XCOFF32\n\ |
1102 | -a64 generate ELF64/XCOFF64\n\ | |
252b5132 | 1103 | -u ignored\n\ |
23e1d84c AM |
1104 | -mpwrx, -mpwr2 generate code for POWER/2 (RIOS2)\n\ |
1105 | -mpwr generate code for POWER (RIOS1)\n\ | |
1106 | -m601 generate code for PowerPC 601\n\ | |
418c1742 | 1107 | -mppc, -mppc32, -m603, -m604\n\ |
23e1d84c | 1108 | generate code for PowerPC 603/604\n\ |
df12615d | 1109 | -m403, -m405 generate code for PowerPC 403/405\n\ |
3d8aea2f | 1110 | -m440 generate code for PowerPC 440\n\ |
f5c120c5 | 1111 | -m7400, -m7410, -m7450, -m7455\n\ |
df12615d AM |
1112 | generate code For PowerPC 7400/7410/7450/7455\n")); |
1113 | fprintf (stream, _("\ | |
23e1d84c | 1114 | -mppc64, -m620 generate code for PowerPC 620/625/630\n\ |
d0e9a01c | 1115 | -mppc64bridge generate code for PowerPC 64, including bridge insns\n\ |
a09cf9bd MG |
1116 | -mbooke64 generate code for 64-bit PowerPC BookE\n\ |
1117 | -mbooke, mbooke32 generate code for 32-bit PowerPC BookE\n\ | |
23e1d84c | 1118 | -mpower4 generate code for Power4 architecture\n\ |
b0648eec | 1119 | -mpower5 generate code for Power5 architecture\n\ |
9622b051 | 1120 | -mpower6 generate code for Power6 architecture\n\ |
252b5132 | 1121 | -mcom generate code Power/PowerPC common instructions\n\ |
df12615d | 1122 | -many generate code for any architecture (PWR/PWRX/PPC)\n")); |
6a0c61b7 | 1123 | fprintf (stream, _("\ |
df12615d | 1124 | -maltivec generate code for AltiVec\n\ |
36ae0db3 | 1125 | -me300 generate code for PowerPC e300 family\n\ |
6a0c61b7 | 1126 | -me500, -me500x2 generate code for Motorola e500 core complex\n\ |
df12615d AM |
1127 | -mspe generate code for Motorola SPE instructions\n\ |
1128 | -mregnames Allow symbolic names for registers\n\ | |
1129 | -mno-regnames Do not allow symbolic names for registers\n")); | |
252b5132 | 1130 | #ifdef OBJ_ELF |
bc805888 | 1131 | fprintf (stream, _("\ |
252b5132 RH |
1132 | -mrelocatable support for GCC's -mrelocatble option\n\ |
1133 | -mrelocatable-lib support for GCC's -mrelocatble-lib option\n\ | |
1134 | -memb set PPC_EMB bit in ELF flags\n\ | |
df12615d | 1135 | -mlittle, -mlittle-endian, -l, -le\n\ |
252b5132 | 1136 | generate code for a little endian machine\n\ |
df12615d AM |
1137 | -mbig, -mbig-endian, -b, -be\n\ |
1138 | generate code for a big endian machine\n\ | |
252b5132 RH |
1139 | -msolaris generate code for Solaris\n\ |
1140 | -mno-solaris do not generate code for Solaris\n\ | |
1141 | -V print assembler version number\n\ | |
1142 | -Qy, -Qn ignored\n")); | |
1143 | #endif | |
1144 | } | |
1145 | \f | |
1146 | /* Set ppc_cpu if it is not already set. */ | |
1147 | ||
1148 | static void | |
1149 | ppc_set_cpu () | |
1150 | { | |
1151 | const char *default_os = TARGET_OS; | |
1152 | const char *default_cpu = TARGET_CPU; | |
1153 | ||
3c9030c1 | 1154 | if ((ppc_cpu & ~PPC_OPCODE_ANY) == 0) |
252b5132 | 1155 | { |
2a98c3a6 | 1156 | if (ppc_obj64) |
3c9030c1 | 1157 | ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64; |
2a98c3a6 AM |
1158 | else if (strncmp (default_os, "aix", 3) == 0 |
1159 | && default_os[3] >= '4' && default_os[3] <= '9') | |
3c9030c1 | 1160 | ppc_cpu |= PPC_OPCODE_COMMON | PPC_OPCODE_32; |
252b5132 | 1161 | else if (strncmp (default_os, "aix3", 4) == 0) |
3c9030c1 | 1162 | ppc_cpu |= PPC_OPCODE_POWER | PPC_OPCODE_32; |
252b5132 | 1163 | else if (strcmp (default_cpu, "rs6000") == 0) |
3c9030c1 | 1164 | ppc_cpu |= PPC_OPCODE_POWER | PPC_OPCODE_32; |
0baf16f2 | 1165 | else if (strncmp (default_cpu, "powerpc", 7) == 0) |
23d36e92 | 1166 | ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32; |
252b5132 | 1167 | else |
99a814a1 AM |
1168 | as_fatal (_("Unknown default cpu = %s, os = %s"), |
1169 | default_cpu, default_os); | |
252b5132 RH |
1170 | } |
1171 | } | |
1172 | ||
9232bbb0 AM |
1173 | /* Figure out the BFD architecture to use. This function and ppc_mach |
1174 | are called well before md_begin, when the output file is opened. */ | |
252b5132 RH |
1175 | |
1176 | enum bfd_architecture | |
1177 | ppc_arch () | |
1178 | { | |
1179 | const char *default_cpu = TARGET_CPU; | |
1180 | ppc_set_cpu (); | |
1181 | ||
1182 | if ((ppc_cpu & PPC_OPCODE_PPC) != 0) | |
1183 | return bfd_arch_powerpc; | |
1184 | else if ((ppc_cpu & PPC_OPCODE_POWER) != 0) | |
1185 | return bfd_arch_rs6000; | |
1186 | else if ((ppc_cpu & (PPC_OPCODE_COMMON | PPC_OPCODE_ANY)) != 0) | |
1187 | { | |
1188 | if (strcmp (default_cpu, "rs6000") == 0) | |
1189 | return bfd_arch_rs6000; | |
0baf16f2 | 1190 | else if (strncmp (default_cpu, "powerpc", 7) == 0) |
252b5132 RH |
1191 | return bfd_arch_powerpc; |
1192 | } | |
1193 | ||
1194 | as_fatal (_("Neither Power nor PowerPC opcodes were selected.")); | |
1195 | return bfd_arch_unknown; | |
1196 | } | |
1197 | ||
7f6d05e8 CP |
1198 | unsigned long |
1199 | ppc_mach () | |
1200 | { | |
2a98c3a6 AM |
1201 | if (ppc_obj64) |
1202 | return bfd_mach_ppc64; | |
1203 | else if (ppc_arch () == bfd_arch_rs6000) | |
1204 | return bfd_mach_rs6k; | |
1205 | else | |
1206 | return bfd_mach_ppc; | |
7f6d05e8 CP |
1207 | } |
1208 | ||
81d4177b | 1209 | extern char* |
99a814a1 | 1210 | ppc_target_format () |
7f6d05e8 CP |
1211 | { |
1212 | #ifdef OBJ_COFF | |
1213 | #ifdef TE_PE | |
99a814a1 | 1214 | return target_big_endian ? "pe-powerpc" : "pe-powerpcle"; |
7f6d05e8 | 1215 | #elif TE_POWERMAC |
0baf16f2 | 1216 | return "xcoff-powermac"; |
7f6d05e8 | 1217 | #else |
eb1e0e80 | 1218 | # ifdef TE_AIX5 |
2b3c4602 | 1219 | return (ppc_obj64 ? "aix5coff64-rs6000" : "aixcoff-rs6000"); |
eb1e0e80 | 1220 | # else |
2b3c4602 | 1221 | return (ppc_obj64 ? "aixcoff64-rs6000" : "aixcoff-rs6000"); |
eb1e0e80 | 1222 | # endif |
7f6d05e8 | 1223 | #endif |
7f6d05e8 CP |
1224 | #endif |
1225 | #ifdef OBJ_ELF | |
9d8504b1 PB |
1226 | # ifdef TE_VXWORKS |
1227 | return "elf32-powerpc-vxworks"; | |
1228 | # else | |
0baf16f2 | 1229 | return (target_big_endian |
2b3c4602 AM |
1230 | ? (ppc_obj64 ? "elf64-powerpc" : "elf32-powerpc") |
1231 | : (ppc_obj64 ? "elf64-powerpcle" : "elf32-powerpcle")); | |
9d8504b1 | 1232 | # endif |
7f6d05e8 CP |
1233 | #endif |
1234 | } | |
1235 | ||
69c040df AM |
1236 | /* Insert opcodes and macros into hash tables. Called at startup and |
1237 | for .cpu pseudo. */ | |
252b5132 | 1238 | |
69c040df AM |
1239 | static void |
1240 | ppc_setup_opcodes (void) | |
252b5132 RH |
1241 | { |
1242 | register const struct powerpc_opcode *op; | |
1243 | const struct powerpc_opcode *op_end; | |
1244 | const struct powerpc_macro *macro; | |
1245 | const struct powerpc_macro *macro_end; | |
b34976b6 | 1246 | bfd_boolean dup_insn = FALSE; |
252b5132 | 1247 | |
69c040df AM |
1248 | if (ppc_hash != NULL) |
1249 | hash_die (ppc_hash); | |
1250 | if (ppc_macro_hash != NULL) | |
1251 | hash_die (ppc_macro_hash); | |
252b5132 RH |
1252 | |
1253 | /* Insert the opcodes into a hash table. */ | |
1254 | ppc_hash = hash_new (); | |
1255 | ||
1256 | op_end = powerpc_opcodes + powerpc_num_opcodes; | |
1257 | for (op = powerpc_opcodes; op < op_end; op++) | |
1258 | { | |
1259 | know ((op->opcode & op->mask) == op->opcode); | |
1260 | ||
2b3c4602 | 1261 | if ((op->flags & ppc_cpu & ~(PPC_OPCODE_32 | PPC_OPCODE_64)) != 0 |
252b5132 | 1262 | && ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64)) == 0 |
2b3c4602 AM |
1263 | || ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64)) |
1264 | == (ppc_cpu & (PPC_OPCODE_32 | PPC_OPCODE_64))) | |
23e1d84c | 1265 | || (ppc_cpu & PPC_OPCODE_64_BRIDGE) != 0) |
341026c1 NC |
1266 | /* Certain instructions (eg: extsw) do not exist in the |
1267 | 32-bit BookE instruction set, but they do exist in the | |
1268 | 64-bit BookE instruction set, and other PPC instruction | |
1269 | sets. Check to see if the opcode has the BOOKE64 flag set. | |
1270 | If it does make sure that the target CPU is not the BookE32. */ | |
1271 | && ((op->flags & PPC_OPCODE_BOOKE64) == 0 | |
1272 | || (ppc_cpu & PPC_OPCODE_BOOKE64) == PPC_OPCODE_BOOKE64 | |
1273 | || (ppc_cpu & PPC_OPCODE_BOOKE) == 0) | |
23e1d84c AM |
1274 | && ((op->flags & (PPC_OPCODE_POWER4 | PPC_OPCODE_NOPOWER4)) == 0 |
1275 | || ((op->flags & PPC_OPCODE_POWER4) | |
b0648eec AM |
1276 | == (ppc_cpu & PPC_OPCODE_POWER4))) |
1277 | && ((op->flags & PPC_OPCODE_POWER5) == 0 | |
1278 | || ((op->flags & PPC_OPCODE_POWER5) | |
9622b051 AM |
1279 | == (ppc_cpu & PPC_OPCODE_POWER5))) |
1280 | && ((op->flags & PPC_OPCODE_POWER6) == 0 | |
1281 | || ((op->flags & PPC_OPCODE_POWER6) | |
1282 | == (ppc_cpu & PPC_OPCODE_POWER6)))) | |
252b5132 RH |
1283 | { |
1284 | const char *retval; | |
1285 | ||
1286 | retval = hash_insert (ppc_hash, op->name, (PTR) op); | |
69c040df | 1287 | if (retval != NULL) |
252b5132 | 1288 | { |
99a814a1 | 1289 | /* Ignore Power duplicates for -m601. */ |
252b5132 RH |
1290 | if ((ppc_cpu & PPC_OPCODE_601) != 0 |
1291 | && (op->flags & PPC_OPCODE_POWER) != 0) | |
1292 | continue; | |
1293 | ||
99a814a1 AM |
1294 | as_bad (_("Internal assembler error for instruction %s"), |
1295 | op->name); | |
b34976b6 | 1296 | dup_insn = TRUE; |
252b5132 RH |
1297 | } |
1298 | } | |
1299 | } | |
1300 | ||
3c9030c1 AM |
1301 | if ((ppc_cpu & PPC_OPCODE_ANY) != 0) |
1302 | for (op = powerpc_opcodes; op < op_end; op++) | |
1303 | hash_insert (ppc_hash, op->name, (PTR) op); | |
1304 | ||
252b5132 RH |
1305 | /* Insert the macros into a hash table. */ |
1306 | ppc_macro_hash = hash_new (); | |
1307 | ||
1308 | macro_end = powerpc_macros + powerpc_num_macros; | |
1309 | for (macro = powerpc_macros; macro < macro_end; macro++) | |
1310 | { | |
1311 | if ((macro->flags & ppc_cpu) != 0) | |
1312 | { | |
1313 | const char *retval; | |
1314 | ||
1315 | retval = hash_insert (ppc_macro_hash, macro->name, (PTR) macro); | |
1316 | if (retval != (const char *) NULL) | |
1317 | { | |
1318 | as_bad (_("Internal assembler error for macro %s"), macro->name); | |
b34976b6 | 1319 | dup_insn = TRUE; |
252b5132 RH |
1320 | } |
1321 | } | |
1322 | } | |
1323 | ||
1324 | if (dup_insn) | |
1325 | abort (); | |
69c040df AM |
1326 | } |
1327 | ||
1328 | /* This function is called when the assembler starts up. It is called | |
1329 | after the options have been parsed and the output file has been | |
1330 | opened. */ | |
1331 | ||
1332 | void | |
1333 | md_begin () | |
1334 | { | |
1335 | ppc_set_cpu (); | |
1336 | ||
1337 | ppc_cie_data_alignment = ppc_obj64 ? -8 : -4; | |
1338 | ||
1339 | #ifdef OBJ_ELF | |
1340 | /* Set the ELF flags if desired. */ | |
1341 | if (ppc_flags && !msolaris) | |
1342 | bfd_set_private_flags (stdoutput, ppc_flags); | |
1343 | #endif | |
1344 | ||
1345 | ppc_setup_opcodes (); | |
252b5132 | 1346 | |
67c1ffbe | 1347 | /* Tell the main code what the endianness is if it is not overridden |
99a814a1 | 1348 | by the user. */ |
252b5132 RH |
1349 | if (!set_target_endian) |
1350 | { | |
1351 | set_target_endian = 1; | |
1352 | target_big_endian = PPC_BIG_ENDIAN; | |
1353 | } | |
1354 | ||
1355 | #ifdef OBJ_XCOFF | |
1356 | ppc_coff_debug_section = coff_section_from_bfd_index (stdoutput, N_DEBUG); | |
1357 | ||
1358 | /* Create dummy symbols to serve as initial csects. This forces the | |
1359 | text csects to precede the data csects. These symbols will not | |
1360 | be output. */ | |
1361 | ppc_text_csects = symbol_make ("dummy\001"); | |
809ffe0d | 1362 | symbol_get_tc (ppc_text_csects)->within = ppc_text_csects; |
252b5132 | 1363 | ppc_data_csects = symbol_make ("dummy\001"); |
809ffe0d | 1364 | symbol_get_tc (ppc_data_csects)->within = ppc_data_csects; |
252b5132 RH |
1365 | #endif |
1366 | ||
1367 | #ifdef TE_PE | |
1368 | ||
1369 | ppc_current_section = text_section; | |
81d4177b | 1370 | ppc_previous_section = 0; |
252b5132 RH |
1371 | |
1372 | #endif | |
1373 | } | |
1374 | ||
6a0c61b7 EZ |
1375 | void |
1376 | ppc_cleanup () | |
1377 | { | |
dc1d03fc | 1378 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
1379 | if (ppc_apuinfo_list == NULL) |
1380 | return; | |
1381 | ||
1382 | /* Ok, so write the section info out. We have this layout: | |
1383 | ||
1384 | byte data what | |
1385 | ---- ---- ---- | |
1386 | 0 8 length of "APUinfo\0" | |
1387 | 4 (n*4) number of APU's (4 bytes each) | |
1388 | 8 2 note type 2 | |
1389 | 12 "APUinfo\0" name | |
1390 | 20 APU#1 first APU's info | |
1391 | 24 APU#2 second APU's info | |
1392 | ... ... | |
1393 | */ | |
1394 | { | |
1395 | char *p; | |
1396 | asection *seg = now_seg; | |
1397 | subsegT subseg = now_subseg; | |
1398 | asection *apuinfo_secp = (asection *) NULL; | |
49181a6a | 1399 | unsigned int i; |
6a0c61b7 EZ |
1400 | |
1401 | /* Create the .PPC.EMB.apuinfo section. */ | |
1402 | apuinfo_secp = subseg_new (".PPC.EMB.apuinfo", 0); | |
1403 | bfd_set_section_flags (stdoutput, | |
1404 | apuinfo_secp, | |
e1a9cb8e | 1405 | SEC_HAS_CONTENTS | SEC_READONLY); |
6a0c61b7 EZ |
1406 | |
1407 | p = frag_more (4); | |
1408 | md_number_to_chars (p, (valueT) 8, 4); | |
1409 | ||
1410 | p = frag_more (4); | |
e98d298c | 1411 | md_number_to_chars (p, (valueT) ppc_apuinfo_num * 4, 4); |
6a0c61b7 EZ |
1412 | |
1413 | p = frag_more (4); | |
1414 | md_number_to_chars (p, (valueT) 2, 4); | |
1415 | ||
1416 | p = frag_more (8); | |
1417 | strcpy (p, "APUinfo"); | |
1418 | ||
1419 | for (i = 0; i < ppc_apuinfo_num; i++) | |
1420 | { | |
b34976b6 AM |
1421 | p = frag_more (4); |
1422 | md_number_to_chars (p, (valueT) ppc_apuinfo_list[i], 4); | |
6a0c61b7 EZ |
1423 | } |
1424 | ||
1425 | frag_align (2, 0, 0); | |
1426 | ||
1427 | /* We probably can't restore the current segment, for there likely | |
1428 | isn't one yet... */ | |
1429 | if (seg && subseg) | |
1430 | subseg_set (seg, subseg); | |
1431 | } | |
dc1d03fc | 1432 | #endif |
6a0c61b7 EZ |
1433 | } |
1434 | ||
252b5132 RH |
1435 | /* Insert an operand value into an instruction. */ |
1436 | ||
1437 | static unsigned long | |
1438 | ppc_insert_operand (insn, operand, val, file, line) | |
1439 | unsigned long insn; | |
1440 | const struct powerpc_operand *operand; | |
1441 | offsetT val; | |
1442 | char *file; | |
1443 | unsigned int line; | |
1444 | { | |
1445 | if (operand->bits != 32) | |
1446 | { | |
1447 | long min, max; | |
1448 | offsetT test; | |
1449 | ||
1450 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
1451 | { | |
d0e9a01c | 1452 | if ((operand->flags & PPC_OPERAND_SIGNOPT) != 0) |
252b5132 RH |
1453 | max = (1 << operand->bits) - 1; |
1454 | else | |
1455 | max = (1 << (operand->bits - 1)) - 1; | |
1456 | min = - (1 << (operand->bits - 1)); | |
1457 | ||
2b3c4602 | 1458 | if (!ppc_obj64) |
252b5132 RH |
1459 | { |
1460 | /* Some people write 32 bit hex constants with the sign | |
1461 | extension done by hand. This shouldn't really be | |
1462 | valid, but, to permit this code to assemble on a 64 | |
1463 | bit host, we sign extend the 32 bit value. */ | |
1464 | if (val > 0 | |
92161534 ILT |
1465 | && (val & (offsetT) 0x80000000) != 0 |
1466 | && (val & (offsetT) 0xffffffff) == val) | |
252b5132 RH |
1467 | { |
1468 | val -= 0x80000000; | |
1469 | val -= 0x80000000; | |
1470 | } | |
1471 | } | |
1472 | } | |
1473 | else | |
1474 | { | |
1475 | max = (1 << operand->bits) - 1; | |
1476 | min = 0; | |
1477 | } | |
1478 | ||
1479 | if ((operand->flags & PPC_OPERAND_NEGATIVE) != 0) | |
1480 | test = - val; | |
1481 | else | |
1482 | test = val; | |
1483 | ||
1484 | if (test < (offsetT) min || test > (offsetT) max) | |
e5976317 | 1485 | as_bad_value_out_of_range (_("operand"), test, (offsetT) min, (offsetT) max, file, line); |
252b5132 RH |
1486 | } |
1487 | ||
1488 | if (operand->insert) | |
1489 | { | |
1490 | const char *errmsg; | |
1491 | ||
1492 | errmsg = NULL; | |
2b3c4602 | 1493 | insn = (*operand->insert) (insn, (long) val, ppc_cpu, &errmsg); |
252b5132 | 1494 | if (errmsg != (const char *) NULL) |
0baf16f2 | 1495 | as_bad_where (file, line, errmsg); |
252b5132 RH |
1496 | } |
1497 | else | |
1498 | insn |= (((long) val & ((1 << operand->bits) - 1)) | |
1499 | << operand->shift); | |
1500 | ||
1501 | return insn; | |
1502 | } | |
1503 | ||
1504 | \f | |
1505 | #ifdef OBJ_ELF | |
1506 | /* Parse @got, etc. and return the desired relocation. */ | |
1507 | static bfd_reloc_code_real_type | |
1508 | ppc_elf_suffix (str_p, exp_p) | |
1509 | char **str_p; | |
1510 | expressionS *exp_p; | |
1511 | { | |
1512 | struct map_bfd { | |
1513 | char *string; | |
b7d7dc63 AM |
1514 | unsigned int length : 8; |
1515 | unsigned int valid32 : 1; | |
1516 | unsigned int valid64 : 1; | |
1517 | unsigned int reloc; | |
252b5132 RH |
1518 | }; |
1519 | ||
1520 | char ident[20]; | |
1521 | char *str = *str_p; | |
1522 | char *str2; | |
1523 | int ch; | |
1524 | int len; | |
15c1449b | 1525 | const struct map_bfd *ptr; |
252b5132 | 1526 | |
b7d7dc63 AM |
1527 | #define MAP(str, reloc) { str, sizeof (str) - 1, 1, 1, reloc } |
1528 | #define MAP32(str, reloc) { str, sizeof (str) - 1, 1, 0, reloc } | |
1529 | #define MAP64(str, reloc) { str, sizeof (str) - 1, 0, 1, reloc } | |
252b5132 | 1530 | |
15c1449b | 1531 | static const struct map_bfd mapping[] = { |
b7d7dc63 AM |
1532 | MAP ("l", BFD_RELOC_LO16), |
1533 | MAP ("h", BFD_RELOC_HI16), | |
1534 | MAP ("ha", BFD_RELOC_HI16_S), | |
1535 | MAP ("brtaken", BFD_RELOC_PPC_B16_BRTAKEN), | |
1536 | MAP ("brntaken", BFD_RELOC_PPC_B16_BRNTAKEN), | |
1537 | MAP ("got", BFD_RELOC_16_GOTOFF), | |
1538 | MAP ("got@l", BFD_RELOC_LO16_GOTOFF), | |
1539 | MAP ("got@h", BFD_RELOC_HI16_GOTOFF), | |
1540 | MAP ("got@ha", BFD_RELOC_HI16_S_GOTOFF), | |
1541 | MAP ("plt@l", BFD_RELOC_LO16_PLTOFF), | |
1542 | MAP ("plt@h", BFD_RELOC_HI16_PLTOFF), | |
1543 | MAP ("plt@ha", BFD_RELOC_HI16_S_PLTOFF), | |
1544 | MAP ("copy", BFD_RELOC_PPC_COPY), | |
1545 | MAP ("globdat", BFD_RELOC_PPC_GLOB_DAT), | |
1546 | MAP ("sectoff", BFD_RELOC_16_BASEREL), | |
1547 | MAP ("sectoff@l", BFD_RELOC_LO16_BASEREL), | |
1548 | MAP ("sectoff@h", BFD_RELOC_HI16_BASEREL), | |
1549 | MAP ("sectoff@ha", BFD_RELOC_HI16_S_BASEREL), | |
1550 | MAP ("tls", BFD_RELOC_PPC_TLS), | |
1551 | MAP ("dtpmod", BFD_RELOC_PPC_DTPMOD), | |
1552 | MAP ("dtprel", BFD_RELOC_PPC_DTPREL), | |
1553 | MAP ("dtprel@l", BFD_RELOC_PPC_DTPREL16_LO), | |
1554 | MAP ("dtprel@h", BFD_RELOC_PPC_DTPREL16_HI), | |
1555 | MAP ("dtprel@ha", BFD_RELOC_PPC_DTPREL16_HA), | |
1556 | MAP ("tprel", BFD_RELOC_PPC_TPREL), | |
1557 | MAP ("tprel@l", BFD_RELOC_PPC_TPREL16_LO), | |
1558 | MAP ("tprel@h", BFD_RELOC_PPC_TPREL16_HI), | |
1559 | MAP ("tprel@ha", BFD_RELOC_PPC_TPREL16_HA), | |
1560 | MAP ("got@tlsgd", BFD_RELOC_PPC_GOT_TLSGD16), | |
1561 | MAP ("got@tlsgd@l", BFD_RELOC_PPC_GOT_TLSGD16_LO), | |
1562 | MAP ("got@tlsgd@h", BFD_RELOC_PPC_GOT_TLSGD16_HI), | |
1563 | MAP ("got@tlsgd@ha", BFD_RELOC_PPC_GOT_TLSGD16_HA), | |
1564 | MAP ("got@tlsld", BFD_RELOC_PPC_GOT_TLSLD16), | |
1565 | MAP ("got@tlsld@l", BFD_RELOC_PPC_GOT_TLSLD16_LO), | |
1566 | MAP ("got@tlsld@h", BFD_RELOC_PPC_GOT_TLSLD16_HI), | |
1567 | MAP ("got@tlsld@ha", BFD_RELOC_PPC_GOT_TLSLD16_HA), | |
1568 | MAP ("got@dtprel", BFD_RELOC_PPC_GOT_DTPREL16), | |
1569 | MAP ("got@dtprel@l", BFD_RELOC_PPC_GOT_DTPREL16_LO), | |
1570 | MAP ("got@dtprel@h", BFD_RELOC_PPC_GOT_DTPREL16_HI), | |
1571 | MAP ("got@dtprel@ha", BFD_RELOC_PPC_GOT_DTPREL16_HA), | |
1572 | MAP ("got@tprel", BFD_RELOC_PPC_GOT_TPREL16), | |
1573 | MAP ("got@tprel@l", BFD_RELOC_PPC_GOT_TPREL16_LO), | |
1574 | MAP ("got@tprel@h", BFD_RELOC_PPC_GOT_TPREL16_HI), | |
1575 | MAP ("got@tprel@ha", BFD_RELOC_PPC_GOT_TPREL16_HA), | |
1576 | MAP32 ("fixup", BFD_RELOC_CTOR), | |
1577 | MAP32 ("plt", BFD_RELOC_24_PLT_PCREL), | |
1578 | MAP32 ("pltrel24", BFD_RELOC_24_PLT_PCREL), | |
1579 | MAP32 ("local24pc", BFD_RELOC_PPC_LOCAL24PC), | |
1580 | MAP32 ("local", BFD_RELOC_PPC_LOCAL24PC), | |
1581 | MAP32 ("pltrel", BFD_RELOC_32_PLT_PCREL), | |
1582 | MAP32 ("sdarel", BFD_RELOC_GPREL16), | |
1583 | MAP32 ("naddr", BFD_RELOC_PPC_EMB_NADDR32), | |
1584 | MAP32 ("naddr16", BFD_RELOC_PPC_EMB_NADDR16), | |
1585 | MAP32 ("naddr@l", BFD_RELOC_PPC_EMB_NADDR16_LO), | |
1586 | MAP32 ("naddr@h", BFD_RELOC_PPC_EMB_NADDR16_HI), | |
1587 | MAP32 ("naddr@ha", BFD_RELOC_PPC_EMB_NADDR16_HA), | |
1588 | MAP32 ("sdai16", BFD_RELOC_PPC_EMB_SDAI16), | |
1589 | MAP32 ("sda2rel", BFD_RELOC_PPC_EMB_SDA2REL), | |
1590 | MAP32 ("sda2i16", BFD_RELOC_PPC_EMB_SDA2I16), | |
1591 | MAP32 ("sda21", BFD_RELOC_PPC_EMB_SDA21), | |
1592 | MAP32 ("mrkref", BFD_RELOC_PPC_EMB_MRKREF), | |
1593 | MAP32 ("relsect", BFD_RELOC_PPC_EMB_RELSEC16), | |
1594 | MAP32 ("relsect@l", BFD_RELOC_PPC_EMB_RELST_LO), | |
1595 | MAP32 ("relsect@h", BFD_RELOC_PPC_EMB_RELST_HI), | |
1596 | MAP32 ("relsect@ha", BFD_RELOC_PPC_EMB_RELST_HA), | |
1597 | MAP32 ("bitfld", BFD_RELOC_PPC_EMB_BIT_FLD), | |
1598 | MAP32 ("relsda", BFD_RELOC_PPC_EMB_RELSDA), | |
1599 | MAP32 ("xgot", BFD_RELOC_PPC_TOC16), | |
1600 | MAP64 ("higher", BFD_RELOC_PPC64_HIGHER), | |
1601 | MAP64 ("highera", BFD_RELOC_PPC64_HIGHER_S), | |
1602 | MAP64 ("highest", BFD_RELOC_PPC64_HIGHEST), | |
1603 | MAP64 ("highesta", BFD_RELOC_PPC64_HIGHEST_S), | |
1604 | MAP64 ("tocbase", BFD_RELOC_PPC64_TOC), | |
1605 | MAP64 ("toc", BFD_RELOC_PPC_TOC16), | |
1606 | MAP64 ("toc@l", BFD_RELOC_PPC64_TOC16_LO), | |
1607 | MAP64 ("toc@h", BFD_RELOC_PPC64_TOC16_HI), | |
1608 | MAP64 ("toc@ha", BFD_RELOC_PPC64_TOC16_HA), | |
1609 | MAP64 ("dtprel@higher", BFD_RELOC_PPC64_DTPREL16_HIGHER), | |
1610 | MAP64 ("dtprel@highera", BFD_RELOC_PPC64_DTPREL16_HIGHERA), | |
1611 | MAP64 ("dtprel@highest", BFD_RELOC_PPC64_DTPREL16_HIGHEST), | |
1612 | MAP64 ("dtprel@highesta", BFD_RELOC_PPC64_DTPREL16_HIGHESTA), | |
1613 | MAP64 ("tprel@higher", BFD_RELOC_PPC64_TPREL16_HIGHER), | |
1614 | MAP64 ("tprel@highera", BFD_RELOC_PPC64_TPREL16_HIGHERA), | |
1615 | MAP64 ("tprel@highest", BFD_RELOC_PPC64_TPREL16_HIGHEST), | |
1616 | MAP64 ("tprel@highesta", BFD_RELOC_PPC64_TPREL16_HIGHESTA), | |
1617 | { (char *) 0, 0, 0, 0, BFD_RELOC_UNUSED } | |
252b5132 RH |
1618 | }; |
1619 | ||
1620 | if (*str++ != '@') | |
1621 | return BFD_RELOC_UNUSED; | |
1622 | ||
1623 | for (ch = *str, str2 = ident; | |
1624 | (str2 < ident + sizeof (ident) - 1 | |
3882b010 | 1625 | && (ISALNUM (ch) || ch == '@')); |
252b5132 RH |
1626 | ch = *++str) |
1627 | { | |
3882b010 | 1628 | *str2++ = TOLOWER (ch); |
252b5132 RH |
1629 | } |
1630 | ||
1631 | *str2 = '\0'; | |
1632 | len = str2 - ident; | |
1633 | ||
1634 | ch = ident[0]; | |
1635 | for (ptr = &mapping[0]; ptr->length > 0; ptr++) | |
1636 | if (ch == ptr->string[0] | |
1637 | && len == ptr->length | |
b7d7dc63 AM |
1638 | && memcmp (ident, ptr->string, ptr->length) == 0 |
1639 | && (ppc_obj64 ? ptr->valid64 : ptr->valid32)) | |
252b5132 | 1640 | { |
15c1449b AM |
1641 | int reloc = ptr->reloc; |
1642 | ||
cdba85ec | 1643 | if (!ppc_obj64) |
5f6db75a AM |
1644 | if (exp_p->X_add_number != 0 |
1645 | && (reloc == (int) BFD_RELOC_16_GOTOFF | |
1646 | || reloc == (int) BFD_RELOC_LO16_GOTOFF | |
1647 | || reloc == (int) BFD_RELOC_HI16_GOTOFF | |
1648 | || reloc == (int) BFD_RELOC_HI16_S_GOTOFF)) | |
1649 | as_warn (_("identifier+constant@got means identifier@got+constant")); | |
1650 | ||
1651 | /* Now check for identifier@suffix+constant. */ | |
1652 | if (*str == '-' || *str == '+') | |
252b5132 | 1653 | { |
5f6db75a AM |
1654 | char *orig_line = input_line_pointer; |
1655 | expressionS new_exp; | |
1656 | ||
1657 | input_line_pointer = str; | |
1658 | expression (&new_exp); | |
1659 | if (new_exp.X_op == O_constant) | |
252b5132 | 1660 | { |
5f6db75a AM |
1661 | exp_p->X_add_number += new_exp.X_add_number; |
1662 | str = input_line_pointer; | |
252b5132 | 1663 | } |
5f6db75a AM |
1664 | |
1665 | if (&input_line_pointer != str_p) | |
1666 | input_line_pointer = orig_line; | |
252b5132 | 1667 | } |
252b5132 | 1668 | *str_p = str; |
0baf16f2 | 1669 | |
2b3c4602 | 1670 | if (reloc == (int) BFD_RELOC_PPC64_TOC |
9f2b53d7 AM |
1671 | && exp_p->X_op == O_symbol |
1672 | && strcmp (S_GET_NAME (exp_p->X_add_symbol), ".TOC.") == 0) | |
0baf16f2 | 1673 | { |
9f2b53d7 AM |
1674 | /* Change the symbol so that the dummy .TOC. symbol can be |
1675 | omitted from the object file. */ | |
0baf16f2 AM |
1676 | exp_p->X_add_symbol = &abs_symbol; |
1677 | } | |
1678 | ||
15c1449b | 1679 | return (bfd_reloc_code_real_type) reloc; |
252b5132 RH |
1680 | } |
1681 | ||
1682 | return BFD_RELOC_UNUSED; | |
1683 | } | |
1684 | ||
99a814a1 AM |
1685 | /* Like normal .long/.short/.word, except support @got, etc. |
1686 | Clobbers input_line_pointer, checks end-of-line. */ | |
252b5132 RH |
1687 | static void |
1688 | ppc_elf_cons (nbytes) | |
0baf16f2 | 1689 | register int nbytes; /* 1=.byte, 2=.word, 4=.long, 8=.llong. */ |
252b5132 RH |
1690 | { |
1691 | expressionS exp; | |
1692 | bfd_reloc_code_real_type reloc; | |
1693 | ||
1694 | if (is_it_end_of_statement ()) | |
1695 | { | |
1696 | demand_empty_rest_of_line (); | |
1697 | return; | |
1698 | } | |
1699 | ||
1700 | do | |
1701 | { | |
1702 | expression (&exp); | |
1703 | if (exp.X_op == O_symbol | |
1704 | && *input_line_pointer == '@' | |
99a814a1 AM |
1705 | && (reloc = ppc_elf_suffix (&input_line_pointer, |
1706 | &exp)) != BFD_RELOC_UNUSED) | |
252b5132 | 1707 | { |
99a814a1 AM |
1708 | reloc_howto_type *reloc_howto; |
1709 | int size; | |
1710 | ||
1711 | reloc_howto = bfd_reloc_type_lookup (stdoutput, reloc); | |
1712 | size = bfd_get_reloc_size (reloc_howto); | |
252b5132 RH |
1713 | |
1714 | if (size > nbytes) | |
0baf16f2 AM |
1715 | { |
1716 | as_bad (_("%s relocations do not fit in %d bytes\n"), | |
1717 | reloc_howto->name, nbytes); | |
1718 | } | |
252b5132 RH |
1719 | else |
1720 | { | |
0baf16f2 AM |
1721 | char *p; |
1722 | int offset; | |
252b5132 | 1723 | |
0baf16f2 AM |
1724 | p = frag_more (nbytes); |
1725 | offset = 0; | |
1726 | if (target_big_endian) | |
1727 | offset = nbytes - size; | |
99a814a1 AM |
1728 | fix_new_exp (frag_now, p - frag_now->fr_literal + offset, size, |
1729 | &exp, 0, reloc); | |
252b5132 RH |
1730 | } |
1731 | } | |
1732 | else | |
1733 | emit_expr (&exp, (unsigned int) nbytes); | |
1734 | } | |
1735 | while (*input_line_pointer++ == ','); | |
1736 | ||
99a814a1 AM |
1737 | /* Put terminator back into stream. */ |
1738 | input_line_pointer--; | |
252b5132 RH |
1739 | demand_empty_rest_of_line (); |
1740 | } | |
1741 | ||
1742 | /* Solaris pseduo op to change to the .rodata section. */ | |
1743 | static void | |
1744 | ppc_elf_rdata (xxx) | |
1745 | int xxx; | |
1746 | { | |
1747 | char *save_line = input_line_pointer; | |
1748 | static char section[] = ".rodata\n"; | |
1749 | ||
99a814a1 | 1750 | /* Just pretend this is .section .rodata */ |
252b5132 RH |
1751 | input_line_pointer = section; |
1752 | obj_elf_section (xxx); | |
1753 | ||
1754 | input_line_pointer = save_line; | |
1755 | } | |
1756 | ||
99a814a1 | 1757 | /* Pseudo op to make file scope bss items. */ |
252b5132 | 1758 | static void |
99a814a1 | 1759 | ppc_elf_lcomm (xxx) |
92161534 | 1760 | int xxx ATTRIBUTE_UNUSED; |
252b5132 RH |
1761 | { |
1762 | register char *name; | |
1763 | register char c; | |
1764 | register char *p; | |
1765 | offsetT size; | |
1766 | register symbolS *symbolP; | |
1767 | offsetT align; | |
1768 | segT old_sec; | |
1769 | int old_subsec; | |
1770 | char *pfrag; | |
1771 | int align2; | |
1772 | ||
1773 | name = input_line_pointer; | |
1774 | c = get_symbol_end (); | |
1775 | ||
99a814a1 | 1776 | /* just after name is now '\0'. */ |
252b5132 RH |
1777 | p = input_line_pointer; |
1778 | *p = c; | |
1779 | SKIP_WHITESPACE (); | |
1780 | if (*input_line_pointer != ',') | |
1781 | { | |
1782 | as_bad (_("Expected comma after symbol-name: rest of line ignored.")); | |
1783 | ignore_rest_of_line (); | |
1784 | return; | |
1785 | } | |
1786 | ||
1787 | input_line_pointer++; /* skip ',' */ | |
1788 | if ((size = get_absolute_expression ()) < 0) | |
1789 | { | |
1790 | as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) size); | |
1791 | ignore_rest_of_line (); | |
1792 | return; | |
1793 | } | |
1794 | ||
1795 | /* The third argument to .lcomm is the alignment. */ | |
1796 | if (*input_line_pointer != ',') | |
1797 | align = 8; | |
1798 | else | |
1799 | { | |
1800 | ++input_line_pointer; | |
1801 | align = get_absolute_expression (); | |
1802 | if (align <= 0) | |
1803 | { | |
1804 | as_warn (_("ignoring bad alignment")); | |
1805 | align = 8; | |
1806 | } | |
1807 | } | |
1808 | ||
1809 | *p = 0; | |
1810 | symbolP = symbol_find_or_make (name); | |
1811 | *p = c; | |
1812 | ||
1813 | if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP)) | |
1814 | { | |
1815 | as_bad (_("Ignoring attempt to re-define symbol `%s'."), | |
1816 | S_GET_NAME (symbolP)); | |
1817 | ignore_rest_of_line (); | |
1818 | return; | |
1819 | } | |
1820 | ||
1821 | if (S_GET_VALUE (symbolP) && S_GET_VALUE (symbolP) != (valueT) size) | |
1822 | { | |
1823 | as_bad (_("Length of .lcomm \"%s\" is already %ld. Not changed to %ld."), | |
1824 | S_GET_NAME (symbolP), | |
1825 | (long) S_GET_VALUE (symbolP), | |
1826 | (long) size); | |
1827 | ||
1828 | ignore_rest_of_line (); | |
1829 | return; | |
1830 | } | |
1831 | ||
99a814a1 | 1832 | /* Allocate_bss. */ |
252b5132 RH |
1833 | old_sec = now_seg; |
1834 | old_subsec = now_subseg; | |
1835 | if (align) | |
1836 | { | |
99a814a1 | 1837 | /* Convert to a power of 2 alignment. */ |
252b5132 RH |
1838 | for (align2 = 0; (align & 1) == 0; align >>= 1, ++align2); |
1839 | if (align != 1) | |
1840 | { | |
1841 | as_bad (_("Common alignment not a power of 2")); | |
1842 | ignore_rest_of_line (); | |
1843 | return; | |
1844 | } | |
1845 | } | |
1846 | else | |
1847 | align2 = 0; | |
1848 | ||
1849 | record_alignment (bss_section, align2); | |
1850 | subseg_set (bss_section, 0); | |
1851 | if (align2) | |
1852 | frag_align (align2, 0, 0); | |
1853 | if (S_GET_SEGMENT (symbolP) == bss_section) | |
49309057 ILT |
1854 | symbol_get_frag (symbolP)->fr_symbol = 0; |
1855 | symbol_set_frag (symbolP, frag_now); | |
252b5132 RH |
1856 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, size, |
1857 | (char *) 0); | |
1858 | *pfrag = 0; | |
1859 | S_SET_SIZE (symbolP, size); | |
1860 | S_SET_SEGMENT (symbolP, bss_section); | |
1861 | subseg_set (old_sec, old_subsec); | |
1862 | demand_empty_rest_of_line (); | |
1863 | } | |
1864 | ||
1865 | /* Validate any relocations emitted for -mrelocatable, possibly adding | |
1866 | fixups for word relocations in writable segments, so we can adjust | |
1867 | them at runtime. */ | |
1868 | static void | |
1869 | ppc_elf_validate_fix (fixp, seg) | |
1870 | fixS *fixp; | |
1871 | segT seg; | |
1872 | { | |
1873 | if (fixp->fx_done || fixp->fx_pcrel) | |
1874 | return; | |
1875 | ||
1876 | switch (shlib) | |
1877 | { | |
1878 | case SHLIB_NONE: | |
1879 | case SHLIB_PIC: | |
1880 | return; | |
1881 | ||
5d6f4f16 | 1882 | case SHLIB_MRELOCATABLE: |
252b5132 RH |
1883 | if (fixp->fx_r_type <= BFD_RELOC_UNUSED |
1884 | && fixp->fx_r_type != BFD_RELOC_16_GOTOFF | |
1885 | && fixp->fx_r_type != BFD_RELOC_HI16_GOTOFF | |
1886 | && fixp->fx_r_type != BFD_RELOC_LO16_GOTOFF | |
1887 | && fixp->fx_r_type != BFD_RELOC_HI16_S_GOTOFF | |
1cfc59d5 | 1888 | && fixp->fx_r_type != BFD_RELOC_16_BASEREL |
252b5132 RH |
1889 | && fixp->fx_r_type != BFD_RELOC_LO16_BASEREL |
1890 | && fixp->fx_r_type != BFD_RELOC_HI16_BASEREL | |
1891 | && fixp->fx_r_type != BFD_RELOC_HI16_S_BASEREL | |
e138127a | 1892 | && (seg->flags & SEC_LOAD) != 0 |
252b5132 RH |
1893 | && strcmp (segment_name (seg), ".got2") != 0 |
1894 | && strcmp (segment_name (seg), ".dtors") != 0 | |
1895 | && strcmp (segment_name (seg), ".ctors") != 0 | |
1896 | && strcmp (segment_name (seg), ".fixup") != 0 | |
252b5132 RH |
1897 | && strcmp (segment_name (seg), ".gcc_except_table") != 0 |
1898 | && strcmp (segment_name (seg), ".eh_frame") != 0 | |
1899 | && strcmp (segment_name (seg), ".ex_shared") != 0) | |
1900 | { | |
1901 | if ((seg->flags & (SEC_READONLY | SEC_CODE)) != 0 | |
1902 | || fixp->fx_r_type != BFD_RELOC_CTOR) | |
1903 | { | |
1904 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
1905 | _("Relocation cannot be done when using -mrelocatable")); | |
1906 | } | |
1907 | } | |
1908 | return; | |
1909 | } | |
1910 | } | |
0baf16f2 | 1911 | |
7e8d4ab4 AM |
1912 | /* Prevent elf_frob_file_before_adjust removing a weak undefined |
1913 | function descriptor sym if the corresponding code sym is used. */ | |
1914 | ||
1915 | void | |
1916 | ppc_frob_file_before_adjust () | |
0baf16f2 | 1917 | { |
7e8d4ab4 | 1918 | symbolS *symp; |
9232bbb0 | 1919 | asection *toc; |
0baf16f2 | 1920 | |
7e8d4ab4 AM |
1921 | if (!ppc_obj64) |
1922 | return; | |
1923 | ||
1924 | for (symp = symbol_rootP; symp; symp = symbol_next (symp)) | |
0baf16f2 | 1925 | { |
7e8d4ab4 AM |
1926 | const char *name; |
1927 | char *dotname; | |
1928 | symbolS *dotsym; | |
1929 | size_t len; | |
1930 | ||
1931 | name = S_GET_NAME (symp); | |
1932 | if (name[0] == '.') | |
1933 | continue; | |
1934 | ||
1935 | if (! S_IS_WEAK (symp) | |
1936 | || S_IS_DEFINED (symp)) | |
1937 | continue; | |
1938 | ||
1939 | len = strlen (name) + 1; | |
1940 | dotname = xmalloc (len + 1); | |
1941 | dotname[0] = '.'; | |
1942 | memcpy (dotname + 1, name, len); | |
461b725f | 1943 | dotsym = symbol_find_noref (dotname, 1); |
7e8d4ab4 AM |
1944 | free (dotname); |
1945 | if (dotsym != NULL && (symbol_used_p (dotsym) | |
1946 | || symbol_used_in_reloc_p (dotsym))) | |
670ec21d NC |
1947 | symbol_mark_used (symp); |
1948 | ||
0baf16f2 AM |
1949 | } |
1950 | ||
9232bbb0 AM |
1951 | toc = bfd_get_section_by_name (stdoutput, ".toc"); |
1952 | if (toc != NULL | |
1953 | && bfd_section_size (stdoutput, toc) > 0x10000) | |
1954 | as_warn (_("TOC section size exceeds 64k")); | |
1955 | ||
7e8d4ab4 AM |
1956 | /* Don't emit .TOC. symbol. */ |
1957 | symp = symbol_find (".TOC."); | |
1958 | if (symp != NULL) | |
1959 | symbol_remove (symp, &symbol_rootP, &symbol_lastP); | |
0baf16f2 | 1960 | } |
252b5132 RH |
1961 | #endif /* OBJ_ELF */ |
1962 | \f | |
1963 | #ifdef TE_PE | |
1964 | ||
1965 | /* | |
99a814a1 | 1966 | * Summary of parse_toc_entry. |
252b5132 RH |
1967 | * |
1968 | * in: Input_line_pointer points to the '[' in one of: | |
1969 | * | |
1970 | * [toc] [tocv] [toc32] [toc64] | |
1971 | * | |
1972 | * Anything else is an error of one kind or another. | |
1973 | * | |
81d4177b | 1974 | * out: |
252b5132 RH |
1975 | * return value: success or failure |
1976 | * toc_kind: kind of toc reference | |
1977 | * input_line_pointer: | |
1978 | * success: first char after the ']' | |
1979 | * failure: unchanged | |
1980 | * | |
1981 | * settings: | |
1982 | * | |
1983 | * [toc] - rv == success, toc_kind = default_toc | |
1984 | * [tocv] - rv == success, toc_kind = data_in_toc | |
1985 | * [toc32] - rv == success, toc_kind = must_be_32 | |
1986 | * [toc64] - rv == success, toc_kind = must_be_64 | |
1987 | * | |
1988 | */ | |
1989 | ||
81d4177b KH |
1990 | enum toc_size_qualifier |
1991 | { | |
252b5132 RH |
1992 | default_toc, /* The toc cell constructed should be the system default size */ |
1993 | data_in_toc, /* This is a direct reference to a toc cell */ | |
1994 | must_be_32, /* The toc cell constructed must be 32 bits wide */ | |
1995 | must_be_64 /* The toc cell constructed must be 64 bits wide */ | |
1996 | }; | |
1997 | ||
1998 | static int | |
99a814a1 | 1999 | parse_toc_entry (toc_kind) |
252b5132 RH |
2000 | enum toc_size_qualifier *toc_kind; |
2001 | { | |
2002 | char *start; | |
2003 | char *toc_spec; | |
2004 | char c; | |
2005 | enum toc_size_qualifier t; | |
2006 | ||
99a814a1 | 2007 | /* Save the input_line_pointer. */ |
252b5132 RH |
2008 | start = input_line_pointer; |
2009 | ||
99a814a1 | 2010 | /* Skip over the '[' , and whitespace. */ |
252b5132 RH |
2011 | ++input_line_pointer; |
2012 | SKIP_WHITESPACE (); | |
81d4177b | 2013 | |
99a814a1 | 2014 | /* Find the spelling of the operand. */ |
252b5132 RH |
2015 | toc_spec = input_line_pointer; |
2016 | c = get_symbol_end (); | |
2017 | ||
99a814a1 | 2018 | if (strcmp (toc_spec, "toc") == 0) |
252b5132 RH |
2019 | { |
2020 | t = default_toc; | |
2021 | } | |
99a814a1 | 2022 | else if (strcmp (toc_spec, "tocv") == 0) |
252b5132 RH |
2023 | { |
2024 | t = data_in_toc; | |
2025 | } | |
99a814a1 | 2026 | else if (strcmp (toc_spec, "toc32") == 0) |
252b5132 RH |
2027 | { |
2028 | t = must_be_32; | |
2029 | } | |
99a814a1 | 2030 | else if (strcmp (toc_spec, "toc64") == 0) |
252b5132 RH |
2031 | { |
2032 | t = must_be_64; | |
2033 | } | |
2034 | else | |
2035 | { | |
2036 | as_bad (_("syntax error: invalid toc specifier `%s'"), toc_spec); | |
99a814a1 AM |
2037 | *input_line_pointer = c; |
2038 | input_line_pointer = start; | |
252b5132 RH |
2039 | return 0; |
2040 | } | |
2041 | ||
99a814a1 AM |
2042 | /* Now find the ']'. */ |
2043 | *input_line_pointer = c; | |
252b5132 | 2044 | |
81d4177b KH |
2045 | SKIP_WHITESPACE (); /* leading whitespace could be there. */ |
2046 | c = *input_line_pointer++; /* input_line_pointer->past char in c. */ | |
252b5132 RH |
2047 | |
2048 | if (c != ']') | |
2049 | { | |
2050 | as_bad (_("syntax error: expected `]', found `%c'"), c); | |
99a814a1 | 2051 | input_line_pointer = start; |
252b5132 RH |
2052 | return 0; |
2053 | } | |
2054 | ||
99a814a1 | 2055 | *toc_kind = t; |
252b5132 RH |
2056 | return 1; |
2057 | } | |
2058 | #endif | |
2059 | \f | |
2060 | ||
dc1d03fc | 2061 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
2062 | #define APUID(a,v) ((((a) & 0xffff) << 16) | ((v) & 0xffff)) |
2063 | static void | |
dc1d03fc | 2064 | ppc_apuinfo_section_add (apu, version) |
6a0c61b7 EZ |
2065 | unsigned int apu, version; |
2066 | { | |
2067 | unsigned int i; | |
2068 | ||
2069 | /* Check we don't already exist. */ | |
2070 | for (i = 0; i < ppc_apuinfo_num; i++) | |
dc1d03fc | 2071 | if (ppc_apuinfo_list[i] == APUID (apu, version)) |
6a0c61b7 | 2072 | return; |
b34976b6 | 2073 | |
6a0c61b7 EZ |
2074 | if (ppc_apuinfo_num == ppc_apuinfo_num_alloc) |
2075 | { | |
2076 | if (ppc_apuinfo_num_alloc == 0) | |
2077 | { | |
2078 | ppc_apuinfo_num_alloc = 4; | |
2079 | ppc_apuinfo_list = (unsigned long *) | |
2080 | xmalloc (sizeof (unsigned long) * ppc_apuinfo_num_alloc); | |
2081 | } | |
2082 | else | |
2083 | { | |
2084 | ppc_apuinfo_num_alloc += 4; | |
2085 | ppc_apuinfo_list = (unsigned long *) xrealloc (ppc_apuinfo_list, | |
2086 | sizeof (unsigned long) * ppc_apuinfo_num_alloc); | |
2087 | } | |
2088 | } | |
dc1d03fc | 2089 | ppc_apuinfo_list[ppc_apuinfo_num++] = APUID (apu, version); |
6a0c61b7 EZ |
2090 | } |
2091 | #undef APUID | |
dc1d03fc | 2092 | #endif |
6a0c61b7 EZ |
2093 | \f |
2094 | ||
252b5132 RH |
2095 | /* We need to keep a list of fixups. We can't simply generate them as |
2096 | we go, because that would require us to first create the frag, and | |
2097 | that would screw up references to ``.''. */ | |
2098 | ||
2099 | struct ppc_fixup | |
2100 | { | |
2101 | expressionS exp; | |
2102 | int opindex; | |
2103 | bfd_reloc_code_real_type reloc; | |
2104 | }; | |
2105 | ||
2106 | #define MAX_INSN_FIXUPS (5) | |
2107 | ||
2108 | /* This routine is called for each instruction to be assembled. */ | |
2109 | ||
2110 | void | |
2111 | md_assemble (str) | |
2112 | char *str; | |
2113 | { | |
2114 | char *s; | |
2115 | const struct powerpc_opcode *opcode; | |
2116 | unsigned long insn; | |
2117 | const unsigned char *opindex_ptr; | |
2118 | int skip_optional; | |
2119 | int need_paren; | |
2120 | int next_opindex; | |
2121 | struct ppc_fixup fixups[MAX_INSN_FIXUPS]; | |
2122 | int fc; | |
2123 | char *f; | |
09b935ac | 2124 | int addr_mod; |
252b5132 RH |
2125 | int i; |
2126 | #ifdef OBJ_ELF | |
2127 | bfd_reloc_code_real_type reloc; | |
2128 | #endif | |
2129 | ||
2130 | /* Get the opcode. */ | |
3882b010 | 2131 | for (s = str; *s != '\0' && ! ISSPACE (*s); s++) |
252b5132 RH |
2132 | ; |
2133 | if (*s != '\0') | |
2134 | *s++ = '\0'; | |
2135 | ||
2136 | /* Look up the opcode in the hash table. */ | |
2137 | opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, str); | |
2138 | if (opcode == (const struct powerpc_opcode *) NULL) | |
2139 | { | |
2140 | const struct powerpc_macro *macro; | |
2141 | ||
2142 | macro = (const struct powerpc_macro *) hash_find (ppc_macro_hash, str); | |
2143 | if (macro == (const struct powerpc_macro *) NULL) | |
2144 | as_bad (_("Unrecognized opcode: `%s'"), str); | |
2145 | else | |
2146 | ppc_macro (s, macro); | |
2147 | ||
2148 | return; | |
2149 | } | |
2150 | ||
2151 | insn = opcode->opcode; | |
2152 | ||
2153 | str = s; | |
3882b010 | 2154 | while (ISSPACE (*str)) |
252b5132 RH |
2155 | ++str; |
2156 | ||
2157 | /* PowerPC operands are just expressions. The only real issue is | |
2158 | that a few operand types are optional. All cases which might use | |
1f6c9eb0 ZW |
2159 | an optional operand separate the operands only with commas (in some |
2160 | cases parentheses are used, as in ``lwz 1,0(1)'' but such cases never | |
2161 | have optional operands). Most instructions with optional operands | |
2162 | have only one. Those that have more than one optional operand can | |
2163 | take either all their operands or none. So, before we start seriously | |
2164 | parsing the operands, we check to see if we have optional operands, | |
2165 | and if we do, we count the number of commas to see which operands | |
2166 | have been omitted. */ | |
252b5132 RH |
2167 | skip_optional = 0; |
2168 | for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++) | |
2169 | { | |
2170 | const struct powerpc_operand *operand; | |
2171 | ||
2172 | operand = &powerpc_operands[*opindex_ptr]; | |
2173 | if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0) | |
2174 | { | |
2175 | unsigned int opcount; | |
7fe9cf6b NC |
2176 | unsigned int num_operands_expected; |
2177 | unsigned int i; | |
252b5132 RH |
2178 | |
2179 | /* There is an optional operand. Count the number of | |
2180 | commas in the input line. */ | |
2181 | if (*str == '\0') | |
2182 | opcount = 0; | |
2183 | else | |
2184 | { | |
2185 | opcount = 1; | |
2186 | s = str; | |
2187 | while ((s = strchr (s, ',')) != (char *) NULL) | |
2188 | { | |
2189 | ++opcount; | |
2190 | ++s; | |
2191 | } | |
2192 | } | |
2193 | ||
7fe9cf6b NC |
2194 | /* Compute the number of expected operands. |
2195 | Do not count fake operands. */ | |
2196 | for (num_operands_expected = 0, i = 0; opcode->operands[i]; i ++) | |
2197 | if ((powerpc_operands [opcode->operands[i]].flags & PPC_OPERAND_FAKE) == 0) | |
2198 | ++ num_operands_expected; | |
2199 | ||
252b5132 RH |
2200 | /* If there are fewer operands in the line then are called |
2201 | for by the instruction, we want to skip the optional | |
1f6c9eb0 | 2202 | operands. */ |
7fe9cf6b | 2203 | if (opcount < num_operands_expected) |
252b5132 RH |
2204 | skip_optional = 1; |
2205 | ||
2206 | break; | |
2207 | } | |
2208 | } | |
2209 | ||
2210 | /* Gather the operands. */ | |
2211 | need_paren = 0; | |
2212 | next_opindex = 0; | |
2213 | fc = 0; | |
2214 | for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++) | |
2215 | { | |
2216 | const struct powerpc_operand *operand; | |
2217 | const char *errmsg; | |
2218 | char *hold; | |
2219 | expressionS ex; | |
2220 | char endc; | |
2221 | ||
2222 | if (next_opindex == 0) | |
2223 | operand = &powerpc_operands[*opindex_ptr]; | |
2224 | else | |
2225 | { | |
2226 | operand = &powerpc_operands[next_opindex]; | |
2227 | next_opindex = 0; | |
2228 | } | |
252b5132 RH |
2229 | errmsg = NULL; |
2230 | ||
2231 | /* If this is a fake operand, then we do not expect anything | |
2232 | from the input. */ | |
2233 | if ((operand->flags & PPC_OPERAND_FAKE) != 0) | |
2234 | { | |
2b3c4602 | 2235 | insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg); |
252b5132 RH |
2236 | if (errmsg != (const char *) NULL) |
2237 | as_bad (errmsg); | |
2238 | continue; | |
2239 | } | |
2240 | ||
2241 | /* If this is an optional operand, and we are skipping it, just | |
2242 | insert a zero. */ | |
2243 | if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0 | |
2244 | && skip_optional) | |
2245 | { | |
2246 | if (operand->insert) | |
2247 | { | |
2b3c4602 | 2248 | insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg); |
252b5132 RH |
2249 | if (errmsg != (const char *) NULL) |
2250 | as_bad (errmsg); | |
2251 | } | |
2252 | if ((operand->flags & PPC_OPERAND_NEXT) != 0) | |
2253 | next_opindex = *opindex_ptr + 1; | |
2254 | continue; | |
2255 | } | |
2256 | ||
2257 | /* Gather the operand. */ | |
2258 | hold = input_line_pointer; | |
2259 | input_line_pointer = str; | |
2260 | ||
2261 | #ifdef TE_PE | |
81d4177b | 2262 | if (*input_line_pointer == '[') |
252b5132 RH |
2263 | { |
2264 | /* We are expecting something like the second argument here: | |
99a814a1 AM |
2265 | * |
2266 | * lwz r4,[toc].GS.0.static_int(rtoc) | |
2267 | * ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |
2268 | * The argument following the `]' must be a symbol name, and the | |
2269 | * register must be the toc register: 'rtoc' or '2' | |
2270 | * | |
2271 | * The effect is to 0 as the displacement field | |
2272 | * in the instruction, and issue an IMAGE_REL_PPC_TOCREL16 (or | |
2273 | * the appropriate variation) reloc against it based on the symbol. | |
2274 | * The linker will build the toc, and insert the resolved toc offset. | |
2275 | * | |
2276 | * Note: | |
2277 | * o The size of the toc entry is currently assumed to be | |
2278 | * 32 bits. This should not be assumed to be a hard coded | |
2279 | * number. | |
2280 | * o In an effort to cope with a change from 32 to 64 bits, | |
2281 | * there are also toc entries that are specified to be | |
2282 | * either 32 or 64 bits: | |
2283 | * lwz r4,[toc32].GS.0.static_int(rtoc) | |
2284 | * lwz r4,[toc64].GS.0.static_int(rtoc) | |
2285 | * These demand toc entries of the specified size, and the | |
2286 | * instruction probably requires it. | |
2287 | */ | |
252b5132 RH |
2288 | |
2289 | int valid_toc; | |
2290 | enum toc_size_qualifier toc_kind; | |
2291 | bfd_reloc_code_real_type toc_reloc; | |
2292 | ||
99a814a1 AM |
2293 | /* Go parse off the [tocXX] part. */ |
2294 | valid_toc = parse_toc_entry (&toc_kind); | |
252b5132 | 2295 | |
81d4177b | 2296 | if (!valid_toc) |
252b5132 | 2297 | { |
99a814a1 AM |
2298 | /* Note: message has already been issued. |
2299 | FIXME: what sort of recovery should we do? | |
2300 | demand_rest_of_line (); return; ? */ | |
252b5132 RH |
2301 | } |
2302 | ||
99a814a1 AM |
2303 | /* Now get the symbol following the ']'. */ |
2304 | expression (&ex); | |
252b5132 RH |
2305 | |
2306 | switch (toc_kind) | |
2307 | { | |
2308 | case default_toc: | |
99a814a1 AM |
2309 | /* In this case, we may not have seen the symbol yet, |
2310 | since it is allowed to appear on a .extern or .globl | |
2311 | or just be a label in the .data section. */ | |
252b5132 RH |
2312 | toc_reloc = BFD_RELOC_PPC_TOC16; |
2313 | break; | |
2314 | case data_in_toc: | |
99a814a1 AM |
2315 | /* 1. The symbol must be defined and either in the toc |
2316 | section, or a global. | |
2317 | 2. The reloc generated must have the TOCDEFN flag set | |
2318 | in upper bit mess of the reloc type. | |
2319 | FIXME: It's a little confusing what the tocv | |
2320 | qualifier can be used for. At the very least, I've | |
2321 | seen three uses, only one of which I'm sure I can | |
2322 | explain. */ | |
81d4177b KH |
2323 | if (ex.X_op == O_symbol) |
2324 | { | |
252b5132 | 2325 | assert (ex.X_add_symbol != NULL); |
fed9b18a ILT |
2326 | if (symbol_get_bfdsym (ex.X_add_symbol)->section |
2327 | != tocdata_section) | |
252b5132 | 2328 | { |
99a814a1 | 2329 | as_bad (_("[tocv] symbol is not a toc symbol")); |
252b5132 RH |
2330 | } |
2331 | } | |
2332 | ||
2333 | toc_reloc = BFD_RELOC_PPC_TOC16; | |
2334 | break; | |
2335 | case must_be_32: | |
99a814a1 AM |
2336 | /* FIXME: these next two specifically specify 32/64 bit |
2337 | toc entries. We don't support them today. Is this | |
2338 | the right way to say that? */ | |
252b5132 RH |
2339 | toc_reloc = BFD_RELOC_UNUSED; |
2340 | as_bad (_("Unimplemented toc32 expression modifier")); | |
2341 | break; | |
2342 | case must_be_64: | |
99a814a1 | 2343 | /* FIXME: see above. */ |
252b5132 RH |
2344 | toc_reloc = BFD_RELOC_UNUSED; |
2345 | as_bad (_("Unimplemented toc64 expression modifier")); | |
2346 | break; | |
2347 | default: | |
bc805888 | 2348 | fprintf (stderr, |
99a814a1 AM |
2349 | _("Unexpected return value [%d] from parse_toc_entry!\n"), |
2350 | toc_kind); | |
bc805888 | 2351 | abort (); |
252b5132 RH |
2352 | break; |
2353 | } | |
2354 | ||
2355 | /* We need to generate a fixup for this expression. */ | |
2356 | if (fc >= MAX_INSN_FIXUPS) | |
2357 | as_fatal (_("too many fixups")); | |
2358 | ||
2359 | fixups[fc].reloc = toc_reloc; | |
2360 | fixups[fc].exp = ex; | |
2361 | fixups[fc].opindex = *opindex_ptr; | |
2362 | ++fc; | |
2363 | ||
99a814a1 AM |
2364 | /* Ok. We've set up the fixup for the instruction. Now make it |
2365 | look like the constant 0 was found here. */ | |
252b5132 RH |
2366 | ex.X_unsigned = 1; |
2367 | ex.X_op = O_constant; | |
2368 | ex.X_add_number = 0; | |
2369 | ex.X_add_symbol = NULL; | |
2370 | ex.X_op_symbol = NULL; | |
2371 | } | |
2372 | ||
2373 | else | |
2374 | #endif /* TE_PE */ | |
2375 | { | |
2376 | if (! register_name (&ex)) | |
2377 | { | |
2378 | if ((operand->flags & PPC_OPERAND_CR) != 0) | |
b34976b6 | 2379 | cr_operand = TRUE; |
252b5132 | 2380 | expression (&ex); |
b34976b6 | 2381 | cr_operand = FALSE; |
252b5132 RH |
2382 | } |
2383 | } | |
2384 | ||
2385 | str = input_line_pointer; | |
2386 | input_line_pointer = hold; | |
2387 | ||
2388 | if (ex.X_op == O_illegal) | |
2389 | as_bad (_("illegal operand")); | |
2390 | else if (ex.X_op == O_absent) | |
2391 | as_bad (_("missing operand")); | |
2392 | else if (ex.X_op == O_register) | |
2393 | { | |
2394 | insn = ppc_insert_operand (insn, operand, ex.X_add_number, | |
2395 | (char *) NULL, 0); | |
2396 | } | |
2397 | else if (ex.X_op == O_constant) | |
2398 | { | |
2399 | #ifdef OBJ_ELF | |
81d4177b | 2400 | /* Allow @HA, @L, @H on constants. */ |
252b5132 RH |
2401 | char *orig_str = str; |
2402 | ||
2403 | if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED) | |
2404 | switch (reloc) | |
2405 | { | |
2406 | default: | |
2407 | str = orig_str; | |
2408 | break; | |
2409 | ||
2410 | case BFD_RELOC_LO16: | |
2411 | /* X_unsigned is the default, so if the user has done | |
0baf16f2 AM |
2412 | something which cleared it, we always produce a |
2413 | signed value. */ | |
2414 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
252b5132 RH |
2415 | ex.X_add_number &= 0xffff; |
2416 | else | |
0baf16f2 | 2417 | ex.X_add_number = SEX16 (ex.X_add_number); |
252b5132 RH |
2418 | break; |
2419 | ||
2420 | case BFD_RELOC_HI16: | |
0baf16f2 AM |
2421 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) |
2422 | ex.X_add_number = PPC_HI (ex.X_add_number); | |
2423 | else | |
2424 | ex.X_add_number = SEX16 (PPC_HI (ex.X_add_number)); | |
252b5132 RH |
2425 | break; |
2426 | ||
2427 | case BFD_RELOC_HI16_S: | |
0baf16f2 AM |
2428 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) |
2429 | ex.X_add_number = PPC_HA (ex.X_add_number); | |
2430 | else | |
2431 | ex.X_add_number = SEX16 (PPC_HA (ex.X_add_number)); | |
2432 | break; | |
2433 | ||
0baf16f2 AM |
2434 | case BFD_RELOC_PPC64_HIGHER: |
2435 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2436 | ex.X_add_number = PPC_HIGHER (ex.X_add_number); | |
2437 | else | |
2438 | ex.X_add_number = SEX16 (PPC_HIGHER (ex.X_add_number)); | |
2439 | break; | |
2440 | ||
2441 | case BFD_RELOC_PPC64_HIGHER_S: | |
2442 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2443 | ex.X_add_number = PPC_HIGHERA (ex.X_add_number); | |
2444 | else | |
2445 | ex.X_add_number = SEX16 (PPC_HIGHERA (ex.X_add_number)); | |
252b5132 | 2446 | break; |
0baf16f2 AM |
2447 | |
2448 | case BFD_RELOC_PPC64_HIGHEST: | |
2449 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2450 | ex.X_add_number = PPC_HIGHEST (ex.X_add_number); | |
2451 | else | |
2452 | ex.X_add_number = SEX16 (PPC_HIGHEST (ex.X_add_number)); | |
2453 | break; | |
2454 | ||
2455 | case BFD_RELOC_PPC64_HIGHEST_S: | |
2456 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2457 | ex.X_add_number = PPC_HIGHESTA (ex.X_add_number); | |
2458 | else | |
2459 | ex.X_add_number = SEX16 (PPC_HIGHESTA (ex.X_add_number)); | |
2460 | break; | |
252b5132 | 2461 | } |
0baf16f2 | 2462 | #endif /* OBJ_ELF */ |
252b5132 RH |
2463 | insn = ppc_insert_operand (insn, operand, ex.X_add_number, |
2464 | (char *) NULL, 0); | |
2465 | } | |
2466 | #ifdef OBJ_ELF | |
2467 | else if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED) | |
2468 | { | |
cdba85ec AM |
2469 | /* Some TLS tweaks. */ |
2470 | switch (reloc) | |
2471 | { | |
2472 | default: | |
2473 | break; | |
2474 | case BFD_RELOC_PPC_TLS: | |
2475 | insn = ppc_insert_operand (insn, operand, ppc_obj64 ? 13 : 2, | |
2476 | (char *) NULL, 0); | |
2477 | break; | |
2478 | /* We'll only use the 32 (or 64) bit form of these relocations | |
2479 | in constants. Instructions get the 16 bit form. */ | |
2480 | case BFD_RELOC_PPC_DTPREL: | |
2481 | reloc = BFD_RELOC_PPC_DTPREL16; | |
2482 | break; | |
2483 | case BFD_RELOC_PPC_TPREL: | |
2484 | reloc = BFD_RELOC_PPC_TPREL16; | |
2485 | break; | |
2486 | } | |
2487 | ||
99a814a1 AM |
2488 | /* For the absolute forms of branches, convert the PC |
2489 | relative form back into the absolute. */ | |
252b5132 RH |
2490 | if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0) |
2491 | { | |
2492 | switch (reloc) | |
2493 | { | |
2494 | case BFD_RELOC_PPC_B26: | |
2495 | reloc = BFD_RELOC_PPC_BA26; | |
2496 | break; | |
2497 | case BFD_RELOC_PPC_B16: | |
2498 | reloc = BFD_RELOC_PPC_BA16; | |
2499 | break; | |
2500 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
2501 | reloc = BFD_RELOC_PPC_BA16_BRTAKEN; | |
2502 | break; | |
2503 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
2504 | reloc = BFD_RELOC_PPC_BA16_BRNTAKEN; | |
2505 | break; | |
2506 | default: | |
2507 | break; | |
2508 | } | |
2509 | } | |
2510 | ||
2b3c4602 | 2511 | if (ppc_obj64 |
adadcc0c | 2512 | && (operand->flags & (PPC_OPERAND_DS | PPC_OPERAND_DQ)) != 0) |
0baf16f2 AM |
2513 | { |
2514 | switch (reloc) | |
2515 | { | |
2516 | case BFD_RELOC_16: | |
2517 | reloc = BFD_RELOC_PPC64_ADDR16_DS; | |
2518 | break; | |
2519 | case BFD_RELOC_LO16: | |
2520 | reloc = BFD_RELOC_PPC64_ADDR16_LO_DS; | |
2521 | break; | |
2522 | case BFD_RELOC_16_GOTOFF: | |
2523 | reloc = BFD_RELOC_PPC64_GOT16_DS; | |
2524 | break; | |
2525 | case BFD_RELOC_LO16_GOTOFF: | |
2526 | reloc = BFD_RELOC_PPC64_GOT16_LO_DS; | |
2527 | break; | |
2528 | case BFD_RELOC_LO16_PLTOFF: | |
2529 | reloc = BFD_RELOC_PPC64_PLT16_LO_DS; | |
2530 | break; | |
1cfc59d5 | 2531 | case BFD_RELOC_16_BASEREL: |
0baf16f2 AM |
2532 | reloc = BFD_RELOC_PPC64_SECTOFF_DS; |
2533 | break; | |
2534 | case BFD_RELOC_LO16_BASEREL: | |
2535 | reloc = BFD_RELOC_PPC64_SECTOFF_LO_DS; | |
2536 | break; | |
2537 | case BFD_RELOC_PPC_TOC16: | |
2538 | reloc = BFD_RELOC_PPC64_TOC16_DS; | |
2539 | break; | |
2540 | case BFD_RELOC_PPC64_TOC16_LO: | |
2541 | reloc = BFD_RELOC_PPC64_TOC16_LO_DS; | |
2542 | break; | |
2543 | case BFD_RELOC_PPC64_PLTGOT16: | |
2544 | reloc = BFD_RELOC_PPC64_PLTGOT16_DS; | |
2545 | break; | |
2546 | case BFD_RELOC_PPC64_PLTGOT16_LO: | |
2547 | reloc = BFD_RELOC_PPC64_PLTGOT16_LO_DS; | |
2548 | break; | |
cdba85ec AM |
2549 | case BFD_RELOC_PPC_DTPREL16: |
2550 | reloc = BFD_RELOC_PPC64_DTPREL16_DS; | |
2551 | break; | |
2552 | case BFD_RELOC_PPC_DTPREL16_LO: | |
2553 | reloc = BFD_RELOC_PPC64_DTPREL16_LO_DS; | |
2554 | break; | |
2555 | case BFD_RELOC_PPC_TPREL16: | |
2556 | reloc = BFD_RELOC_PPC64_TPREL16_DS; | |
2557 | break; | |
2558 | case BFD_RELOC_PPC_TPREL16_LO: | |
2559 | reloc = BFD_RELOC_PPC64_TPREL16_LO_DS; | |
2560 | break; | |
2561 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
2562 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
2563 | case BFD_RELOC_PPC_GOT_TPREL16: | |
2564 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
2565 | break; | |
0baf16f2 AM |
2566 | default: |
2567 | as_bad (_("unsupported relocation for DS offset field")); | |
2568 | break; | |
2569 | } | |
2570 | } | |
2571 | ||
252b5132 RH |
2572 | /* We need to generate a fixup for this expression. */ |
2573 | if (fc >= MAX_INSN_FIXUPS) | |
2574 | as_fatal (_("too many fixups")); | |
2575 | fixups[fc].exp = ex; | |
2576 | fixups[fc].opindex = 0; | |
2577 | fixups[fc].reloc = reloc; | |
2578 | ++fc; | |
2579 | } | |
2580 | #endif /* OBJ_ELF */ | |
2581 | ||
2582 | else | |
2583 | { | |
2584 | /* We need to generate a fixup for this expression. */ | |
2585 | if (fc >= MAX_INSN_FIXUPS) | |
2586 | as_fatal (_("too many fixups")); | |
2587 | fixups[fc].exp = ex; | |
2588 | fixups[fc].opindex = *opindex_ptr; | |
2589 | fixups[fc].reloc = BFD_RELOC_UNUSED; | |
2590 | ++fc; | |
2591 | } | |
2592 | ||
2593 | if (need_paren) | |
2594 | { | |
2595 | endc = ')'; | |
2596 | need_paren = 0; | |
2597 | } | |
2598 | else if ((operand->flags & PPC_OPERAND_PARENS) != 0) | |
2599 | { | |
2600 | endc = '('; | |
2601 | need_paren = 1; | |
2602 | } | |
2603 | else | |
2604 | endc = ','; | |
2605 | ||
2606 | /* The call to expression should have advanced str past any | |
2607 | whitespace. */ | |
2608 | if (*str != endc | |
2609 | && (endc != ',' || *str != '\0')) | |
2610 | { | |
2611 | as_bad (_("syntax error; found `%c' but expected `%c'"), *str, endc); | |
2612 | break; | |
2613 | } | |
2614 | ||
2615 | if (*str != '\0') | |
2616 | ++str; | |
2617 | } | |
2618 | ||
3882b010 | 2619 | while (ISSPACE (*str)) |
252b5132 RH |
2620 | ++str; |
2621 | ||
2622 | if (*str != '\0') | |
2623 | as_bad (_("junk at end of line: `%s'"), str); | |
2624 | ||
dc1d03fc | 2625 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
2626 | /* Do we need/want a APUinfo section? */ |
2627 | if (ppc_cpu & (PPC_OPCODE_SPE | |
2628 | | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | |
2629 | | PPC_OPCODE_BRLOCK | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | |
2630 | | PPC_OPCODE_RFMCI)) | |
2631 | { | |
2632 | /* These are all version "1". */ | |
2633 | if (opcode->flags & PPC_OPCODE_SPE) | |
b34976b6 | 2634 | ppc_apuinfo_section_add (PPC_APUINFO_SPE, 1); |
6a0c61b7 | 2635 | if (opcode->flags & PPC_OPCODE_ISEL) |
b34976b6 | 2636 | ppc_apuinfo_section_add (PPC_APUINFO_ISEL, 1); |
6a0c61b7 | 2637 | if (opcode->flags & PPC_OPCODE_EFS) |
b34976b6 | 2638 | ppc_apuinfo_section_add (PPC_APUINFO_EFS, 1); |
6a0c61b7 | 2639 | if (opcode->flags & PPC_OPCODE_BRLOCK) |
b34976b6 | 2640 | ppc_apuinfo_section_add (PPC_APUINFO_BRLOCK, 1); |
6a0c61b7 | 2641 | if (opcode->flags & PPC_OPCODE_PMR) |
b34976b6 | 2642 | ppc_apuinfo_section_add (PPC_APUINFO_PMR, 1); |
6a0c61b7 | 2643 | if (opcode->flags & PPC_OPCODE_CACHELCK) |
b34976b6 | 2644 | ppc_apuinfo_section_add (PPC_APUINFO_CACHELCK, 1); |
6a0c61b7 | 2645 | if (opcode->flags & PPC_OPCODE_RFMCI) |
b34976b6 | 2646 | ppc_apuinfo_section_add (PPC_APUINFO_RFMCI, 1); |
6a0c61b7 | 2647 | } |
dc1d03fc | 2648 | #endif |
6a0c61b7 | 2649 | |
252b5132 RH |
2650 | /* Write out the instruction. */ |
2651 | f = frag_more (4); | |
09b935ac AM |
2652 | addr_mod = frag_now_fix () & 3; |
2653 | if (frag_now->has_code && frag_now->insn_addr != addr_mod) | |
2654 | as_bad (_("instruction address is not a multiple of 4")); | |
2655 | frag_now->insn_addr = addr_mod; | |
2656 | frag_now->has_code = 1; | |
252b5132 RH |
2657 | md_number_to_chars (f, insn, 4); |
2658 | ||
5d6f4f16 GK |
2659 | #ifdef OBJ_ELF |
2660 | dwarf2_emit_insn (4); | |
2661 | #endif | |
2662 | ||
252b5132 RH |
2663 | /* Create any fixups. At this point we do not use a |
2664 | bfd_reloc_code_real_type, but instead just use the | |
2665 | BFD_RELOC_UNUSED plus the operand index. This lets us easily | |
2666 | handle fixups for any operand type, although that is admittedly | |
2667 | not a very exciting feature. We pick a BFD reloc type in | |
55cf6793 | 2668 | md_apply_fix. */ |
252b5132 RH |
2669 | for (i = 0; i < fc; i++) |
2670 | { | |
2671 | const struct powerpc_operand *operand; | |
2672 | ||
2673 | operand = &powerpc_operands[fixups[i].opindex]; | |
2674 | if (fixups[i].reloc != BFD_RELOC_UNUSED) | |
2675 | { | |
99a814a1 | 2676 | reloc_howto_type *reloc_howto; |
252b5132 RH |
2677 | int size; |
2678 | int offset; | |
2679 | fixS *fixP; | |
2680 | ||
99a814a1 | 2681 | reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc); |
252b5132 RH |
2682 | if (!reloc_howto) |
2683 | abort (); | |
2684 | ||
2685 | size = bfd_get_reloc_size (reloc_howto); | |
2686 | offset = target_big_endian ? (4 - size) : 0; | |
2687 | ||
2688 | if (size < 1 || size > 4) | |
bc805888 | 2689 | abort (); |
252b5132 | 2690 | |
99a814a1 AM |
2691 | fixP = fix_new_exp (frag_now, |
2692 | f - frag_now->fr_literal + offset, | |
2693 | size, | |
2694 | &fixups[i].exp, | |
2695 | reloc_howto->pc_relative, | |
252b5132 RH |
2696 | fixups[i].reloc); |
2697 | ||
2698 | /* Turn off complaints that the addend is too large for things like | |
2699 | foo+100000@ha. */ | |
2700 | switch (fixups[i].reloc) | |
2701 | { | |
2702 | case BFD_RELOC_16_GOTOFF: | |
2703 | case BFD_RELOC_PPC_TOC16: | |
2704 | case BFD_RELOC_LO16: | |
2705 | case BFD_RELOC_HI16: | |
2706 | case BFD_RELOC_HI16_S: | |
0baf16f2 | 2707 | #ifdef OBJ_ELF |
0baf16f2 AM |
2708 | case BFD_RELOC_PPC64_HIGHER: |
2709 | case BFD_RELOC_PPC64_HIGHER_S: | |
2710 | case BFD_RELOC_PPC64_HIGHEST: | |
2711 | case BFD_RELOC_PPC64_HIGHEST_S: | |
0baf16f2 | 2712 | #endif |
252b5132 RH |
2713 | fixP->fx_no_overflow = 1; |
2714 | break; | |
2715 | default: | |
2716 | break; | |
2717 | } | |
2718 | } | |
2719 | else | |
99a814a1 AM |
2720 | fix_new_exp (frag_now, |
2721 | f - frag_now->fr_literal, | |
2722 | 4, | |
252b5132 RH |
2723 | &fixups[i].exp, |
2724 | (operand->flags & PPC_OPERAND_RELATIVE) != 0, | |
2725 | ((bfd_reloc_code_real_type) | |
99a814a1 | 2726 | (fixups[i].opindex + (int) BFD_RELOC_UNUSED))); |
252b5132 RH |
2727 | } |
2728 | } | |
2729 | ||
2730 | /* Handle a macro. Gather all the operands, transform them as | |
2731 | described by the macro, and call md_assemble recursively. All the | |
2732 | operands are separated by commas; we don't accept parentheses | |
2733 | around operands here. */ | |
2734 | ||
2735 | static void | |
2736 | ppc_macro (str, macro) | |
2737 | char *str; | |
2738 | const struct powerpc_macro *macro; | |
2739 | { | |
2740 | char *operands[10]; | |
2741 | unsigned int count; | |
2742 | char *s; | |
2743 | unsigned int len; | |
2744 | const char *format; | |
2745 | int arg; | |
2746 | char *send; | |
2747 | char *complete; | |
2748 | ||
2749 | /* Gather the users operands into the operands array. */ | |
2750 | count = 0; | |
2751 | s = str; | |
2752 | while (1) | |
2753 | { | |
2754 | if (count >= sizeof operands / sizeof operands[0]) | |
2755 | break; | |
2756 | operands[count++] = s; | |
2757 | s = strchr (s, ','); | |
2758 | if (s == (char *) NULL) | |
2759 | break; | |
2760 | *s++ = '\0'; | |
81d4177b | 2761 | } |
252b5132 RH |
2762 | |
2763 | if (count != macro->operands) | |
2764 | { | |
2765 | as_bad (_("wrong number of operands")); | |
2766 | return; | |
2767 | } | |
2768 | ||
2769 | /* Work out how large the string must be (the size is unbounded | |
2770 | because it includes user input). */ | |
2771 | len = 0; | |
2772 | format = macro->format; | |
2773 | while (*format != '\0') | |
2774 | { | |
2775 | if (*format != '%') | |
2776 | { | |
2777 | ++len; | |
2778 | ++format; | |
2779 | } | |
2780 | else | |
2781 | { | |
2782 | arg = strtol (format + 1, &send, 10); | |
2783 | know (send != format && arg >= 0 && arg < count); | |
2784 | len += strlen (operands[arg]); | |
2785 | format = send; | |
2786 | } | |
2787 | } | |
2788 | ||
2789 | /* Put the string together. */ | |
2790 | complete = s = (char *) alloca (len + 1); | |
2791 | format = macro->format; | |
2792 | while (*format != '\0') | |
2793 | { | |
2794 | if (*format != '%') | |
2795 | *s++ = *format++; | |
2796 | else | |
2797 | { | |
2798 | arg = strtol (format + 1, &send, 10); | |
2799 | strcpy (s, operands[arg]); | |
2800 | s += strlen (s); | |
2801 | format = send; | |
2802 | } | |
2803 | } | |
2804 | *s = '\0'; | |
2805 | ||
2806 | /* Assemble the constructed instruction. */ | |
2807 | md_assemble (complete); | |
81d4177b | 2808 | } |
252b5132 RH |
2809 | \f |
2810 | #ifdef OBJ_ELF | |
99a814a1 | 2811 | /* For ELF, add support for SHF_EXCLUDE and SHT_ORDERED. */ |
252b5132 RH |
2812 | |
2813 | int | |
2814 | ppc_section_letter (letter, ptr_msg) | |
2815 | int letter; | |
2816 | char **ptr_msg; | |
2817 | { | |
2818 | if (letter == 'e') | |
2819 | return SHF_EXCLUDE; | |
2820 | ||
13ae64f3 | 2821 | *ptr_msg = _("Bad .section directive: want a,e,w,x,M,S,G,T in string"); |
711ef82f | 2822 | return -1; |
252b5132 RH |
2823 | } |
2824 | ||
2825 | int | |
9de8d8f1 RH |
2826 | ppc_section_word (str, len) |
2827 | char *str; | |
2828 | size_t len; | |
252b5132 | 2829 | { |
9de8d8f1 RH |
2830 | if (len == 7 && strncmp (str, "exclude", 7) == 0) |
2831 | return SHF_EXCLUDE; | |
252b5132 | 2832 | |
9de8d8f1 | 2833 | return -1; |
252b5132 RH |
2834 | } |
2835 | ||
2836 | int | |
9de8d8f1 RH |
2837 | ppc_section_type (str, len) |
2838 | char *str; | |
2839 | size_t len; | |
252b5132 | 2840 | { |
9de8d8f1 RH |
2841 | if (len == 7 && strncmp (str, "ordered", 7) == 0) |
2842 | return SHT_ORDERED; | |
252b5132 | 2843 | |
9de8d8f1 | 2844 | return -1; |
252b5132 RH |
2845 | } |
2846 | ||
2847 | int | |
2848 | ppc_section_flags (flags, attr, type) | |
2849 | int flags; | |
2850 | int attr; | |
2851 | int type; | |
2852 | { | |
2853 | if (type == SHT_ORDERED) | |
2854 | flags |= SEC_ALLOC | SEC_LOAD | SEC_SORT_ENTRIES; | |
2855 | ||
2856 | if (attr & SHF_EXCLUDE) | |
2857 | flags |= SEC_EXCLUDE; | |
2858 | ||
2859 | return flags; | |
2860 | } | |
2861 | #endif /* OBJ_ELF */ | |
2862 | ||
2863 | \f | |
2864 | /* Pseudo-op handling. */ | |
2865 | ||
2866 | /* The .byte pseudo-op. This is similar to the normal .byte | |
2867 | pseudo-op, but it can also take a single ASCII string. */ | |
2868 | ||
2869 | static void | |
2870 | ppc_byte (ignore) | |
92161534 | 2871 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2872 | { |
2873 | if (*input_line_pointer != '\"') | |
2874 | { | |
2875 | cons (1); | |
2876 | return; | |
2877 | } | |
2878 | ||
2879 | /* Gather characters. A real double quote is doubled. Unusual | |
2880 | characters are not permitted. */ | |
2881 | ++input_line_pointer; | |
2882 | while (1) | |
2883 | { | |
2884 | char c; | |
2885 | ||
2886 | c = *input_line_pointer++; | |
2887 | ||
2888 | if (c == '\"') | |
2889 | { | |
2890 | if (*input_line_pointer != '\"') | |
2891 | break; | |
2892 | ++input_line_pointer; | |
2893 | } | |
2894 | ||
2895 | FRAG_APPEND_1_CHAR (c); | |
2896 | } | |
2897 | ||
2898 | demand_empty_rest_of_line (); | |
2899 | } | |
2900 | \f | |
2901 | #ifdef OBJ_XCOFF | |
2902 | ||
2903 | /* XCOFF specific pseudo-op handling. */ | |
2904 | ||
2905 | /* This is set if we are creating a .stabx symbol, since we don't want | |
2906 | to handle symbol suffixes for such symbols. */ | |
b34976b6 | 2907 | static bfd_boolean ppc_stab_symbol; |
252b5132 RH |
2908 | |
2909 | /* The .comm and .lcomm pseudo-ops for XCOFF. XCOFF puts common | |
2910 | symbols in the .bss segment as though they were local common | |
67c1ffbe | 2911 | symbols, and uses a different smclas. The native Aix 4.3.3 assembler |
1ad63b2f | 2912 | aligns .comm and .lcomm to 4 bytes. */ |
252b5132 RH |
2913 | |
2914 | static void | |
2915 | ppc_comm (lcomm) | |
2916 | int lcomm; | |
2917 | { | |
2918 | asection *current_seg = now_seg; | |
2919 | subsegT current_subseg = now_subseg; | |
2920 | char *name; | |
2921 | char endc; | |
2922 | char *end_name; | |
2923 | offsetT size; | |
2924 | offsetT align; | |
2925 | symbolS *lcomm_sym = NULL; | |
2926 | symbolS *sym; | |
2927 | char *pfrag; | |
2928 | ||
2929 | name = input_line_pointer; | |
2930 | endc = get_symbol_end (); | |
2931 | end_name = input_line_pointer; | |
2932 | *end_name = endc; | |
2933 | ||
2934 | if (*input_line_pointer != ',') | |
2935 | { | |
2936 | as_bad (_("missing size")); | |
2937 | ignore_rest_of_line (); | |
2938 | return; | |
2939 | } | |
2940 | ++input_line_pointer; | |
2941 | ||
2942 | size = get_absolute_expression (); | |
2943 | if (size < 0) | |
2944 | { | |
2945 | as_bad (_("negative size")); | |
2946 | ignore_rest_of_line (); | |
2947 | return; | |
2948 | } | |
2949 | ||
2950 | if (! lcomm) | |
2951 | { | |
2952 | /* The third argument to .comm is the alignment. */ | |
2953 | if (*input_line_pointer != ',') | |
1ad63b2f | 2954 | align = 2; |
252b5132 RH |
2955 | else |
2956 | { | |
2957 | ++input_line_pointer; | |
2958 | align = get_absolute_expression (); | |
2959 | if (align <= 0) | |
2960 | { | |
2961 | as_warn (_("ignoring bad alignment")); | |
1ad63b2f | 2962 | align = 2; |
252b5132 RH |
2963 | } |
2964 | } | |
2965 | } | |
2966 | else | |
2967 | { | |
2968 | char *lcomm_name; | |
2969 | char lcomm_endc; | |
2970 | ||
1ad63b2f | 2971 | if (size <= 4) |
252b5132 RH |
2972 | align = 2; |
2973 | else | |
2974 | align = 3; | |
2975 | ||
2976 | /* The third argument to .lcomm appears to be the real local | |
2977 | common symbol to create. References to the symbol named in | |
2978 | the first argument are turned into references to the third | |
2979 | argument. */ | |
2980 | if (*input_line_pointer != ',') | |
2981 | { | |
2982 | as_bad (_("missing real symbol name")); | |
2983 | ignore_rest_of_line (); | |
2984 | return; | |
2985 | } | |
2986 | ++input_line_pointer; | |
2987 | ||
2988 | lcomm_name = input_line_pointer; | |
2989 | lcomm_endc = get_symbol_end (); | |
81d4177b | 2990 | |
252b5132 RH |
2991 | lcomm_sym = symbol_find_or_make (lcomm_name); |
2992 | ||
2993 | *input_line_pointer = lcomm_endc; | |
2994 | } | |
2995 | ||
2996 | *end_name = '\0'; | |
2997 | sym = symbol_find_or_make (name); | |
2998 | *end_name = endc; | |
2999 | ||
3000 | if (S_IS_DEFINED (sym) | |
3001 | || S_GET_VALUE (sym) != 0) | |
3002 | { | |
3003 | as_bad (_("attempt to redefine symbol")); | |
3004 | ignore_rest_of_line (); | |
3005 | return; | |
3006 | } | |
81d4177b | 3007 | |
252b5132 | 3008 | record_alignment (bss_section, align); |
81d4177b | 3009 | |
252b5132 RH |
3010 | if (! lcomm |
3011 | || ! S_IS_DEFINED (lcomm_sym)) | |
3012 | { | |
3013 | symbolS *def_sym; | |
3014 | offsetT def_size; | |
3015 | ||
3016 | if (! lcomm) | |
3017 | { | |
3018 | def_sym = sym; | |
3019 | def_size = size; | |
3020 | S_SET_EXTERNAL (sym); | |
3021 | } | |
3022 | else | |
3023 | { | |
809ffe0d | 3024 | symbol_get_tc (lcomm_sym)->output = 1; |
252b5132 RH |
3025 | def_sym = lcomm_sym; |
3026 | def_size = 0; | |
3027 | } | |
3028 | ||
3029 | subseg_set (bss_section, 1); | |
3030 | frag_align (align, 0, 0); | |
81d4177b | 3031 | |
809ffe0d | 3032 | symbol_set_frag (def_sym, frag_now); |
252b5132 RH |
3033 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, def_sym, |
3034 | def_size, (char *) NULL); | |
3035 | *pfrag = 0; | |
3036 | S_SET_SEGMENT (def_sym, bss_section); | |
809ffe0d | 3037 | symbol_get_tc (def_sym)->align = align; |
252b5132 RH |
3038 | } |
3039 | else if (lcomm) | |
3040 | { | |
3041 | /* Align the size of lcomm_sym. */ | |
809ffe0d ILT |
3042 | symbol_get_frag (lcomm_sym)->fr_offset = |
3043 | ((symbol_get_frag (lcomm_sym)->fr_offset + (1 << align) - 1) | |
252b5132 | 3044 | &~ ((1 << align) - 1)); |
809ffe0d ILT |
3045 | if (align > symbol_get_tc (lcomm_sym)->align) |
3046 | symbol_get_tc (lcomm_sym)->align = align; | |
252b5132 RH |
3047 | } |
3048 | ||
3049 | if (lcomm) | |
3050 | { | |
3051 | /* Make sym an offset from lcomm_sym. */ | |
3052 | S_SET_SEGMENT (sym, bss_section); | |
809ffe0d ILT |
3053 | symbol_set_frag (sym, symbol_get_frag (lcomm_sym)); |
3054 | S_SET_VALUE (sym, symbol_get_frag (lcomm_sym)->fr_offset); | |
3055 | symbol_get_frag (lcomm_sym)->fr_offset += size; | |
252b5132 RH |
3056 | } |
3057 | ||
3058 | subseg_set (current_seg, current_subseg); | |
3059 | ||
3060 | demand_empty_rest_of_line (); | |
3061 | } | |
3062 | ||
3063 | /* The .csect pseudo-op. This switches us into a different | |
3064 | subsegment. The first argument is a symbol whose value is the | |
3065 | start of the .csect. In COFF, csect symbols get special aux | |
3066 | entries defined by the x_csect field of union internal_auxent. The | |
3067 | optional second argument is the alignment (the default is 2). */ | |
3068 | ||
3069 | static void | |
3070 | ppc_csect (ignore) | |
5480ccf3 | 3071 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3072 | { |
3073 | char *name; | |
3074 | char endc; | |
3075 | symbolS *sym; | |
931e13a6 | 3076 | offsetT align; |
252b5132 RH |
3077 | |
3078 | name = input_line_pointer; | |
3079 | endc = get_symbol_end (); | |
81d4177b | 3080 | |
252b5132 RH |
3081 | sym = symbol_find_or_make (name); |
3082 | ||
3083 | *input_line_pointer = endc; | |
3084 | ||
3085 | if (S_GET_NAME (sym)[0] == '\0') | |
3086 | { | |
3087 | /* An unnamed csect is assumed to be [PR]. */ | |
809ffe0d | 3088 | symbol_get_tc (sym)->class = XMC_PR; |
252b5132 RH |
3089 | } |
3090 | ||
931e13a6 | 3091 | align = 2; |
252b5132 RH |
3092 | if (*input_line_pointer == ',') |
3093 | { | |
3094 | ++input_line_pointer; | |
931e13a6 | 3095 | align = get_absolute_expression (); |
252b5132 RH |
3096 | } |
3097 | ||
931e13a6 AM |
3098 | ppc_change_csect (sym, align); |
3099 | ||
252b5132 RH |
3100 | demand_empty_rest_of_line (); |
3101 | } | |
3102 | ||
3103 | /* Change to a different csect. */ | |
3104 | ||
3105 | static void | |
931e13a6 | 3106 | ppc_change_csect (sym, align) |
252b5132 | 3107 | symbolS *sym; |
931e13a6 | 3108 | offsetT align; |
252b5132 RH |
3109 | { |
3110 | if (S_IS_DEFINED (sym)) | |
809ffe0d | 3111 | subseg_set (S_GET_SEGMENT (sym), symbol_get_tc (sym)->subseg); |
252b5132 RH |
3112 | else |
3113 | { | |
3114 | symbolS **list_ptr; | |
3115 | int after_toc; | |
3116 | int hold_chunksize; | |
3117 | symbolS *list; | |
931e13a6 AM |
3118 | int is_code; |
3119 | segT sec; | |
252b5132 RH |
3120 | |
3121 | /* This is a new csect. We need to look at the symbol class to | |
3122 | figure out whether it should go in the text section or the | |
3123 | data section. */ | |
3124 | after_toc = 0; | |
931e13a6 | 3125 | is_code = 0; |
809ffe0d | 3126 | switch (symbol_get_tc (sym)->class) |
252b5132 RH |
3127 | { |
3128 | case XMC_PR: | |
3129 | case XMC_RO: | |
3130 | case XMC_DB: | |
3131 | case XMC_GL: | |
3132 | case XMC_XO: | |
3133 | case XMC_SV: | |
3134 | case XMC_TI: | |
3135 | case XMC_TB: | |
3136 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3137 | symbol_get_tc (sym)->subseg = ppc_text_subsegment; |
252b5132 RH |
3138 | ++ppc_text_subsegment; |
3139 | list_ptr = &ppc_text_csects; | |
931e13a6 | 3140 | is_code = 1; |
252b5132 RH |
3141 | break; |
3142 | case XMC_RW: | |
3143 | case XMC_TC0: | |
3144 | case XMC_TC: | |
3145 | case XMC_DS: | |
3146 | case XMC_UA: | |
3147 | case XMC_BS: | |
3148 | case XMC_UC: | |
3149 | if (ppc_toc_csect != NULL | |
809ffe0d ILT |
3150 | && (symbol_get_tc (ppc_toc_csect)->subseg + 1 |
3151 | == ppc_data_subsegment)) | |
252b5132 RH |
3152 | after_toc = 1; |
3153 | S_SET_SEGMENT (sym, data_section); | |
809ffe0d | 3154 | symbol_get_tc (sym)->subseg = ppc_data_subsegment; |
252b5132 RH |
3155 | ++ppc_data_subsegment; |
3156 | list_ptr = &ppc_data_csects; | |
3157 | break; | |
3158 | default: | |
3159 | abort (); | |
3160 | } | |
3161 | ||
3162 | /* We set the obstack chunk size to a small value before | |
99a814a1 AM |
3163 | changing subsegments, so that we don't use a lot of memory |
3164 | space for what may be a small section. */ | |
252b5132 RH |
3165 | hold_chunksize = chunksize; |
3166 | chunksize = 64; | |
3167 | ||
931e13a6 AM |
3168 | sec = subseg_new (segment_name (S_GET_SEGMENT (sym)), |
3169 | symbol_get_tc (sym)->subseg); | |
252b5132 RH |
3170 | |
3171 | chunksize = hold_chunksize; | |
3172 | ||
3173 | if (after_toc) | |
3174 | ppc_after_toc_frag = frag_now; | |
3175 | ||
931e13a6 AM |
3176 | record_alignment (sec, align); |
3177 | if (is_code) | |
3178 | frag_align_code (align, 0); | |
3179 | else | |
3180 | frag_align (align, 0, 0); | |
3181 | ||
809ffe0d | 3182 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3183 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); |
3184 | ||
931e13a6 | 3185 | symbol_get_tc (sym)->align = align; |
809ffe0d ILT |
3186 | symbol_get_tc (sym)->output = 1; |
3187 | symbol_get_tc (sym)->within = sym; | |
81d4177b | 3188 | |
252b5132 | 3189 | for (list = *list_ptr; |
809ffe0d ILT |
3190 | symbol_get_tc (list)->next != (symbolS *) NULL; |
3191 | list = symbol_get_tc (list)->next) | |
252b5132 | 3192 | ; |
809ffe0d | 3193 | symbol_get_tc (list)->next = sym; |
81d4177b | 3194 | |
252b5132 | 3195 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); |
809ffe0d ILT |
3196 | symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP, |
3197 | &symbol_lastP); | |
252b5132 RH |
3198 | } |
3199 | ||
3200 | ppc_current_csect = sym; | |
3201 | } | |
3202 | ||
3203 | /* This function handles the .text and .data pseudo-ops. These | |
3204 | pseudo-ops aren't really used by XCOFF; we implement them for the | |
3205 | convenience of people who aren't used to XCOFF. */ | |
3206 | ||
3207 | static void | |
3208 | ppc_section (type) | |
3209 | int type; | |
3210 | { | |
3211 | const char *name; | |
3212 | symbolS *sym; | |
3213 | ||
3214 | if (type == 't') | |
3215 | name = ".text[PR]"; | |
3216 | else if (type == 'd') | |
3217 | name = ".data[RW]"; | |
3218 | else | |
3219 | abort (); | |
3220 | ||
3221 | sym = symbol_find_or_make (name); | |
3222 | ||
931e13a6 | 3223 | ppc_change_csect (sym, 2); |
252b5132 RH |
3224 | |
3225 | demand_empty_rest_of_line (); | |
3226 | } | |
3227 | ||
3228 | /* This function handles the .section pseudo-op. This is mostly to | |
3229 | give an error, since XCOFF only supports .text, .data and .bss, but | |
3230 | we do permit the user to name the text or data section. */ | |
3231 | ||
3232 | static void | |
3233 | ppc_named_section (ignore) | |
5480ccf3 | 3234 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3235 | { |
3236 | char *user_name; | |
3237 | const char *real_name; | |
3238 | char c; | |
3239 | symbolS *sym; | |
3240 | ||
3241 | user_name = input_line_pointer; | |
3242 | c = get_symbol_end (); | |
3243 | ||
3244 | if (strcmp (user_name, ".text") == 0) | |
3245 | real_name = ".text[PR]"; | |
3246 | else if (strcmp (user_name, ".data") == 0) | |
3247 | real_name = ".data[RW]"; | |
3248 | else | |
3249 | { | |
3250 | as_bad (_("The XCOFF file format does not support arbitrary sections")); | |
3251 | *input_line_pointer = c; | |
3252 | ignore_rest_of_line (); | |
3253 | return; | |
3254 | } | |
3255 | ||
3256 | *input_line_pointer = c; | |
3257 | ||
3258 | sym = symbol_find_or_make (real_name); | |
3259 | ||
931e13a6 | 3260 | ppc_change_csect (sym, 2); |
252b5132 RH |
3261 | |
3262 | demand_empty_rest_of_line (); | |
3263 | } | |
3264 | ||
3265 | /* The .extern pseudo-op. We create an undefined symbol. */ | |
3266 | ||
3267 | static void | |
3268 | ppc_extern (ignore) | |
5480ccf3 | 3269 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3270 | { |
3271 | char *name; | |
3272 | char endc; | |
3273 | ||
3274 | name = input_line_pointer; | |
3275 | endc = get_symbol_end (); | |
3276 | ||
3277 | (void) symbol_find_or_make (name); | |
3278 | ||
3279 | *input_line_pointer = endc; | |
3280 | ||
3281 | demand_empty_rest_of_line (); | |
3282 | } | |
3283 | ||
3284 | /* The .lglobl pseudo-op. Keep the symbol in the symbol table. */ | |
3285 | ||
3286 | static void | |
3287 | ppc_lglobl (ignore) | |
5480ccf3 | 3288 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3289 | { |
3290 | char *name; | |
3291 | char endc; | |
3292 | symbolS *sym; | |
3293 | ||
3294 | name = input_line_pointer; | |
3295 | endc = get_symbol_end (); | |
3296 | ||
3297 | sym = symbol_find_or_make (name); | |
3298 | ||
3299 | *input_line_pointer = endc; | |
3300 | ||
809ffe0d | 3301 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3302 | |
3303 | demand_empty_rest_of_line (); | |
3304 | } | |
3305 | ||
3306 | /* The .rename pseudo-op. The RS/6000 assembler can rename symbols, | |
3307 | although I don't know why it bothers. */ | |
3308 | ||
3309 | static void | |
3310 | ppc_rename (ignore) | |
5480ccf3 | 3311 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3312 | { |
3313 | char *name; | |
3314 | char endc; | |
3315 | symbolS *sym; | |
3316 | int len; | |
3317 | ||
3318 | name = input_line_pointer; | |
3319 | endc = get_symbol_end (); | |
3320 | ||
3321 | sym = symbol_find_or_make (name); | |
3322 | ||
3323 | *input_line_pointer = endc; | |
3324 | ||
3325 | if (*input_line_pointer != ',') | |
3326 | { | |
3327 | as_bad (_("missing rename string")); | |
3328 | ignore_rest_of_line (); | |
3329 | return; | |
3330 | } | |
3331 | ++input_line_pointer; | |
3332 | ||
809ffe0d | 3333 | symbol_get_tc (sym)->real_name = demand_copy_C_string (&len); |
252b5132 RH |
3334 | |
3335 | demand_empty_rest_of_line (); | |
3336 | } | |
3337 | ||
3338 | /* The .stabx pseudo-op. This is similar to a normal .stabs | |
3339 | pseudo-op, but slightly different. A sample is | |
3340 | .stabx "main:F-1",.main,142,0 | |
3341 | The first argument is the symbol name to create. The second is the | |
3342 | value, and the third is the storage class. The fourth seems to be | |
3343 | always zero, and I am assuming it is the type. */ | |
3344 | ||
3345 | static void | |
3346 | ppc_stabx (ignore) | |
5480ccf3 | 3347 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3348 | { |
3349 | char *name; | |
3350 | int len; | |
3351 | symbolS *sym; | |
3352 | expressionS exp; | |
3353 | ||
3354 | name = demand_copy_C_string (&len); | |
3355 | ||
3356 | if (*input_line_pointer != ',') | |
3357 | { | |
3358 | as_bad (_("missing value")); | |
3359 | return; | |
3360 | } | |
3361 | ++input_line_pointer; | |
3362 | ||
b34976b6 | 3363 | ppc_stab_symbol = TRUE; |
252b5132 | 3364 | sym = symbol_make (name); |
b34976b6 | 3365 | ppc_stab_symbol = FALSE; |
252b5132 | 3366 | |
809ffe0d | 3367 | symbol_get_tc (sym)->real_name = name; |
252b5132 RH |
3368 | |
3369 | (void) expression (&exp); | |
3370 | ||
3371 | switch (exp.X_op) | |
3372 | { | |
3373 | case O_illegal: | |
3374 | case O_absent: | |
3375 | case O_big: | |
3376 | as_bad (_("illegal .stabx expression; zero assumed")); | |
3377 | exp.X_add_number = 0; | |
3378 | /* Fall through. */ | |
3379 | case O_constant: | |
3380 | S_SET_VALUE (sym, (valueT) exp.X_add_number); | |
809ffe0d | 3381 | symbol_set_frag (sym, &zero_address_frag); |
252b5132 RH |
3382 | break; |
3383 | ||
3384 | case O_symbol: | |
3385 | if (S_GET_SEGMENT (exp.X_add_symbol) == undefined_section) | |
809ffe0d | 3386 | symbol_set_value_expression (sym, &exp); |
252b5132 RH |
3387 | else |
3388 | { | |
3389 | S_SET_VALUE (sym, | |
3390 | exp.X_add_number + S_GET_VALUE (exp.X_add_symbol)); | |
809ffe0d | 3391 | symbol_set_frag (sym, symbol_get_frag (exp.X_add_symbol)); |
252b5132 RH |
3392 | } |
3393 | break; | |
3394 | ||
3395 | default: | |
3396 | /* The value is some complex expression. This will probably | |
99a814a1 AM |
3397 | fail at some later point, but this is probably the right |
3398 | thing to do here. */ | |
809ffe0d | 3399 | symbol_set_value_expression (sym, &exp); |
252b5132 RH |
3400 | break; |
3401 | } | |
3402 | ||
3403 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 3404 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3405 | |
3406 | if (*input_line_pointer != ',') | |
3407 | { | |
3408 | as_bad (_("missing class")); | |
3409 | return; | |
3410 | } | |
3411 | ++input_line_pointer; | |
3412 | ||
3413 | S_SET_STORAGE_CLASS (sym, get_absolute_expression ()); | |
3414 | ||
3415 | if (*input_line_pointer != ',') | |
3416 | { | |
3417 | as_bad (_("missing type")); | |
3418 | return; | |
3419 | } | |
3420 | ++input_line_pointer; | |
3421 | ||
3422 | S_SET_DATA_TYPE (sym, get_absolute_expression ()); | |
3423 | ||
809ffe0d | 3424 | symbol_get_tc (sym)->output = 1; |
252b5132 | 3425 | |
6877bb43 | 3426 | if (S_GET_STORAGE_CLASS (sym) == C_STSYM) { |
99a814a1 | 3427 | |
809ffe0d | 3428 | symbol_get_tc (sym)->within = ppc_current_block; |
252b5132 | 3429 | |
41ea10b1 | 3430 | /* In this case : |
99a814a1 | 3431 | |
41ea10b1 TR |
3432 | .bs name |
3433 | .stabx "z",arrays_,133,0 | |
3434 | .es | |
99a814a1 | 3435 | |
41ea10b1 | 3436 | .comm arrays_,13768,3 |
99a814a1 | 3437 | |
41ea10b1 TR |
3438 | resolve_symbol_value will copy the exp's "within" into sym's when the |
3439 | offset is 0. Since this seems to be corner case problem, | |
3440 | only do the correction for storage class C_STSYM. A better solution | |
0baf16f2 | 3441 | would be to have the tc field updated in ppc_symbol_new_hook. */ |
99a814a1 AM |
3442 | |
3443 | if (exp.X_op == O_symbol) | |
41ea10b1 TR |
3444 | { |
3445 | symbol_get_tc (exp.X_add_symbol)->within = ppc_current_block; | |
3446 | } | |
6877bb43 | 3447 | } |
99a814a1 | 3448 | |
252b5132 RH |
3449 | if (exp.X_op != O_symbol |
3450 | || ! S_IS_EXTERNAL (exp.X_add_symbol) | |
3451 | || S_GET_SEGMENT (exp.X_add_symbol) != bss_section) | |
3452 | ppc_frob_label (sym); | |
3453 | else | |
3454 | { | |
3455 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
3456 | symbol_append (sym, exp.X_add_symbol, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
3457 | if (symbol_get_tc (ppc_current_csect)->within == exp.X_add_symbol) |
3458 | symbol_get_tc (ppc_current_csect)->within = sym; | |
252b5132 RH |
3459 | } |
3460 | ||
3461 | demand_empty_rest_of_line (); | |
3462 | } | |
3463 | ||
3464 | /* The .function pseudo-op. This takes several arguments. The first | |
3465 | argument seems to be the external name of the symbol. The second | |
67c1ffbe | 3466 | argument seems to be the label for the start of the function. gcc |
252b5132 RH |
3467 | uses the same name for both. I have no idea what the third and |
3468 | fourth arguments are meant to be. The optional fifth argument is | |
3469 | an expression for the size of the function. In COFF this symbol | |
3470 | gets an aux entry like that used for a csect. */ | |
3471 | ||
3472 | static void | |
3473 | ppc_function (ignore) | |
5480ccf3 | 3474 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3475 | { |
3476 | char *name; | |
3477 | char endc; | |
3478 | char *s; | |
3479 | symbolS *ext_sym; | |
3480 | symbolS *lab_sym; | |
3481 | ||
3482 | name = input_line_pointer; | |
3483 | endc = get_symbol_end (); | |
3484 | ||
3485 | /* Ignore any [PR] suffix. */ | |
3486 | name = ppc_canonicalize_symbol_name (name); | |
3487 | s = strchr (name, '['); | |
3488 | if (s != (char *) NULL | |
3489 | && strcmp (s + 1, "PR]") == 0) | |
3490 | *s = '\0'; | |
3491 | ||
3492 | ext_sym = symbol_find_or_make (name); | |
3493 | ||
3494 | *input_line_pointer = endc; | |
3495 | ||
3496 | if (*input_line_pointer != ',') | |
3497 | { | |
3498 | as_bad (_("missing symbol name")); | |
3499 | ignore_rest_of_line (); | |
3500 | return; | |
3501 | } | |
3502 | ++input_line_pointer; | |
3503 | ||
3504 | name = input_line_pointer; | |
3505 | endc = get_symbol_end (); | |
3506 | ||
3507 | lab_sym = symbol_find_or_make (name); | |
3508 | ||
3509 | *input_line_pointer = endc; | |
3510 | ||
3511 | if (ext_sym != lab_sym) | |
3512 | { | |
809ffe0d ILT |
3513 | expressionS exp; |
3514 | ||
3515 | exp.X_op = O_symbol; | |
3516 | exp.X_add_symbol = lab_sym; | |
3517 | exp.X_op_symbol = NULL; | |
3518 | exp.X_add_number = 0; | |
3519 | exp.X_unsigned = 0; | |
3520 | symbol_set_value_expression (ext_sym, &exp); | |
252b5132 RH |
3521 | } |
3522 | ||
809ffe0d ILT |
3523 | if (symbol_get_tc (ext_sym)->class == -1) |
3524 | symbol_get_tc (ext_sym)->class = XMC_PR; | |
3525 | symbol_get_tc (ext_sym)->output = 1; | |
252b5132 RH |
3526 | |
3527 | if (*input_line_pointer == ',') | |
3528 | { | |
3529 | expressionS ignore; | |
3530 | ||
3531 | /* Ignore the third argument. */ | |
3532 | ++input_line_pointer; | |
3533 | expression (&ignore); | |
3534 | if (*input_line_pointer == ',') | |
3535 | { | |
3536 | /* Ignore the fourth argument. */ | |
3537 | ++input_line_pointer; | |
3538 | expression (&ignore); | |
3539 | if (*input_line_pointer == ',') | |
3540 | { | |
3541 | /* The fifth argument is the function size. */ | |
3542 | ++input_line_pointer; | |
809ffe0d ILT |
3543 | symbol_get_tc (ext_sym)->size = symbol_new ("L0\001", |
3544 | absolute_section, | |
3545 | (valueT) 0, | |
3546 | &zero_address_frag); | |
3547 | pseudo_set (symbol_get_tc (ext_sym)->size); | |
252b5132 RH |
3548 | } |
3549 | } | |
3550 | } | |
3551 | ||
3552 | S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT); | |
3553 | SF_SET_FUNCTION (ext_sym); | |
3554 | SF_SET_PROCESS (ext_sym); | |
3555 | coff_add_linesym (ext_sym); | |
3556 | ||
3557 | demand_empty_rest_of_line (); | |
3558 | } | |
3559 | ||
3560 | /* The .bf pseudo-op. This is just like a COFF C_FCN symbol named | |
8642cce8 TR |
3561 | ".bf". If the pseudo op .bi was seen before .bf, patch the .bi sym |
3562 | with the correct line number */ | |
5d6255fe | 3563 | |
8642cce8 | 3564 | static symbolS *saved_bi_sym = 0; |
252b5132 RH |
3565 | |
3566 | static void | |
3567 | ppc_bf (ignore) | |
5480ccf3 | 3568 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3569 | { |
3570 | symbolS *sym; | |
3571 | ||
3572 | sym = symbol_make (".bf"); | |
3573 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3574 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3575 | S_SET_VALUE (sym, frag_now_fix ()); |
3576 | S_SET_STORAGE_CLASS (sym, C_FCN); | |
3577 | ||
3578 | coff_line_base = get_absolute_expression (); | |
3579 | ||
3580 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3581 | SA_SET_SYM_LNNO (sym, coff_line_base); | |
3582 | ||
8642cce8 | 3583 | /* Line number for bi. */ |
5d6255fe | 3584 | if (saved_bi_sym) |
8642cce8 TR |
3585 | { |
3586 | S_SET_VALUE (saved_bi_sym, coff_n_line_nos); | |
3587 | saved_bi_sym = 0; | |
3588 | } | |
5d6255fe | 3589 | |
8642cce8 | 3590 | |
809ffe0d | 3591 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3592 | |
3593 | ppc_frob_label (sym); | |
3594 | ||
3595 | demand_empty_rest_of_line (); | |
3596 | } | |
3597 | ||
3598 | /* The .ef pseudo-op. This is just like a COFF C_FCN symbol named | |
3599 | ".ef", except that the line number is absolute, not relative to the | |
3600 | most recent ".bf" symbol. */ | |
3601 | ||
3602 | static void | |
3603 | ppc_ef (ignore) | |
5480ccf3 | 3604 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3605 | { |
3606 | symbolS *sym; | |
3607 | ||
3608 | sym = symbol_make (".ef"); | |
3609 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3610 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3611 | S_SET_VALUE (sym, frag_now_fix ()); |
3612 | S_SET_STORAGE_CLASS (sym, C_FCN); | |
3613 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3614 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
809ffe0d | 3615 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3616 | |
3617 | ppc_frob_label (sym); | |
3618 | ||
3619 | demand_empty_rest_of_line (); | |
3620 | } | |
3621 | ||
3622 | /* The .bi and .ei pseudo-ops. These take a string argument and | |
3623 | generates a C_BINCL or C_EINCL symbol, which goes at the start of | |
8642cce8 TR |
3624 | the symbol list. The value of .bi will be know when the next .bf |
3625 | is encountered. */ | |
252b5132 RH |
3626 | |
3627 | static void | |
3628 | ppc_biei (ei) | |
3629 | int ei; | |
3630 | { | |
3631 | static symbolS *last_biei; | |
3632 | ||
3633 | char *name; | |
3634 | int len; | |
3635 | symbolS *sym; | |
3636 | symbolS *look; | |
3637 | ||
3638 | name = demand_copy_C_string (&len); | |
3639 | ||
3640 | /* The value of these symbols is actually file offset. Here we set | |
3641 | the value to the index into the line number entries. In | |
3642 | ppc_frob_symbols we set the fix_line field, which will cause BFD | |
3643 | to do the right thing. */ | |
3644 | ||
3645 | sym = symbol_make (name); | |
3646 | /* obj-coff.c currently only handles line numbers correctly in the | |
3647 | .text section. */ | |
3648 | S_SET_SEGMENT (sym, text_section); | |
3649 | S_SET_VALUE (sym, coff_n_line_nos); | |
809ffe0d | 3650 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3651 | |
3652 | S_SET_STORAGE_CLASS (sym, ei ? C_EINCL : C_BINCL); | |
809ffe0d | 3653 | symbol_get_tc (sym)->output = 1; |
81d4177b | 3654 | |
8642cce8 | 3655 | /* Save bi. */ |
5d6255fe | 3656 | if (ei) |
8642cce8 TR |
3657 | saved_bi_sym = 0; |
3658 | else | |
3659 | saved_bi_sym = sym; | |
3660 | ||
252b5132 RH |
3661 | for (look = last_biei ? last_biei : symbol_rootP; |
3662 | (look != (symbolS *) NULL | |
3663 | && (S_GET_STORAGE_CLASS (look) == C_FILE | |
3664 | || S_GET_STORAGE_CLASS (look) == C_BINCL | |
3665 | || S_GET_STORAGE_CLASS (look) == C_EINCL)); | |
3666 | look = symbol_next (look)) | |
3667 | ; | |
3668 | if (look != (symbolS *) NULL) | |
3669 | { | |
3670 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
3671 | symbol_insert (sym, look, &symbol_rootP, &symbol_lastP); | |
3672 | last_biei = sym; | |
3673 | } | |
3674 | ||
3675 | demand_empty_rest_of_line (); | |
3676 | } | |
3677 | ||
3678 | /* The .bs pseudo-op. This generates a C_BSTAT symbol named ".bs". | |
3679 | There is one argument, which is a csect symbol. The value of the | |
3680 | .bs symbol is the index of this csect symbol. */ | |
3681 | ||
3682 | static void | |
3683 | ppc_bs (ignore) | |
5480ccf3 | 3684 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3685 | { |
3686 | char *name; | |
3687 | char endc; | |
3688 | symbolS *csect; | |
3689 | symbolS *sym; | |
3690 | ||
3691 | if (ppc_current_block != NULL) | |
3692 | as_bad (_("nested .bs blocks")); | |
3693 | ||
3694 | name = input_line_pointer; | |
3695 | endc = get_symbol_end (); | |
3696 | ||
3697 | csect = symbol_find_or_make (name); | |
3698 | ||
3699 | *input_line_pointer = endc; | |
3700 | ||
3701 | sym = symbol_make (".bs"); | |
3702 | S_SET_SEGMENT (sym, now_seg); | |
3703 | S_SET_STORAGE_CLASS (sym, C_BSTAT); | |
809ffe0d ILT |
3704 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
3705 | symbol_get_tc (sym)->output = 1; | |
252b5132 | 3706 | |
809ffe0d | 3707 | symbol_get_tc (sym)->within = csect; |
252b5132 RH |
3708 | |
3709 | ppc_frob_label (sym); | |
3710 | ||
3711 | ppc_current_block = sym; | |
3712 | ||
3713 | demand_empty_rest_of_line (); | |
3714 | } | |
3715 | ||
3716 | /* The .es pseudo-op. Generate a C_ESTART symbol named .es. */ | |
3717 | ||
3718 | static void | |
3719 | ppc_es (ignore) | |
5480ccf3 | 3720 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3721 | { |
3722 | symbolS *sym; | |
3723 | ||
3724 | if (ppc_current_block == NULL) | |
3725 | as_bad (_(".es without preceding .bs")); | |
3726 | ||
3727 | sym = symbol_make (".es"); | |
3728 | S_SET_SEGMENT (sym, now_seg); | |
3729 | S_SET_STORAGE_CLASS (sym, C_ESTAT); | |
809ffe0d ILT |
3730 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
3731 | symbol_get_tc (sym)->output = 1; | |
252b5132 RH |
3732 | |
3733 | ppc_frob_label (sym); | |
3734 | ||
3735 | ppc_current_block = NULL; | |
3736 | ||
3737 | demand_empty_rest_of_line (); | |
3738 | } | |
3739 | ||
3740 | /* The .bb pseudo-op. Generate a C_BLOCK symbol named .bb, with a | |
3741 | line number. */ | |
3742 | ||
3743 | static void | |
3744 | ppc_bb (ignore) | |
5480ccf3 | 3745 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3746 | { |
3747 | symbolS *sym; | |
3748 | ||
3749 | sym = symbol_make (".bb"); | |
3750 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3751 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3752 | S_SET_VALUE (sym, frag_now_fix ()); |
3753 | S_SET_STORAGE_CLASS (sym, C_BLOCK); | |
3754 | ||
3755 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3756 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
3757 | ||
809ffe0d | 3758 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3759 | |
3760 | SF_SET_PROCESS (sym); | |
3761 | ||
3762 | ppc_frob_label (sym); | |
3763 | ||
3764 | demand_empty_rest_of_line (); | |
3765 | } | |
3766 | ||
3767 | /* The .eb pseudo-op. Generate a C_BLOCK symbol named .eb, with a | |
3768 | line number. */ | |
3769 | ||
3770 | static void | |
3771 | ppc_eb (ignore) | |
5480ccf3 | 3772 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3773 | { |
3774 | symbolS *sym; | |
3775 | ||
3776 | sym = symbol_make (".eb"); | |
3777 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3778 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3779 | S_SET_VALUE (sym, frag_now_fix ()); |
3780 | S_SET_STORAGE_CLASS (sym, C_BLOCK); | |
3781 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3782 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
809ffe0d | 3783 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3784 | |
3785 | SF_SET_PROCESS (sym); | |
3786 | ||
3787 | ppc_frob_label (sym); | |
3788 | ||
3789 | demand_empty_rest_of_line (); | |
3790 | } | |
3791 | ||
3792 | /* The .bc pseudo-op. This just creates a C_BCOMM symbol with a | |
3793 | specified name. */ | |
3794 | ||
3795 | static void | |
3796 | ppc_bc (ignore) | |
5480ccf3 | 3797 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3798 | { |
3799 | char *name; | |
3800 | int len; | |
3801 | symbolS *sym; | |
3802 | ||
3803 | name = demand_copy_C_string (&len); | |
3804 | sym = symbol_make (name); | |
3805 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 3806 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3807 | S_SET_STORAGE_CLASS (sym, C_BCOMM); |
3808 | S_SET_VALUE (sym, 0); | |
809ffe0d | 3809 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3810 | |
3811 | ppc_frob_label (sym); | |
3812 | ||
3813 | demand_empty_rest_of_line (); | |
3814 | } | |
3815 | ||
3816 | /* The .ec pseudo-op. This just creates a C_ECOMM symbol. */ | |
3817 | ||
3818 | static void | |
3819 | ppc_ec (ignore) | |
5480ccf3 | 3820 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3821 | { |
3822 | symbolS *sym; | |
3823 | ||
3824 | sym = symbol_make (".ec"); | |
3825 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 3826 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3827 | S_SET_STORAGE_CLASS (sym, C_ECOMM); |
3828 | S_SET_VALUE (sym, 0); | |
809ffe0d | 3829 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3830 | |
3831 | ppc_frob_label (sym); | |
3832 | ||
3833 | demand_empty_rest_of_line (); | |
3834 | } | |
3835 | ||
3836 | /* The .toc pseudo-op. Switch to the .toc subsegment. */ | |
3837 | ||
3838 | static void | |
3839 | ppc_toc (ignore) | |
5480ccf3 | 3840 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3841 | { |
3842 | if (ppc_toc_csect != (symbolS *) NULL) | |
809ffe0d | 3843 | subseg_set (data_section, symbol_get_tc (ppc_toc_csect)->subseg); |
252b5132 RH |
3844 | else |
3845 | { | |
3846 | subsegT subseg; | |
3847 | symbolS *sym; | |
3848 | symbolS *list; | |
81d4177b | 3849 | |
252b5132 RH |
3850 | subseg = ppc_data_subsegment; |
3851 | ++ppc_data_subsegment; | |
3852 | ||
3853 | subseg_new (segment_name (data_section), subseg); | |
3854 | ppc_toc_frag = frag_now; | |
3855 | ||
3856 | sym = symbol_find_or_make ("TOC[TC0]"); | |
809ffe0d | 3857 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3858 | S_SET_SEGMENT (sym, data_section); |
3859 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); | |
809ffe0d ILT |
3860 | symbol_get_tc (sym)->subseg = subseg; |
3861 | symbol_get_tc (sym)->output = 1; | |
3862 | symbol_get_tc (sym)->within = sym; | |
252b5132 RH |
3863 | |
3864 | ppc_toc_csect = sym; | |
81d4177b | 3865 | |
252b5132 | 3866 | for (list = ppc_data_csects; |
809ffe0d ILT |
3867 | symbol_get_tc (list)->next != (symbolS *) NULL; |
3868 | list = symbol_get_tc (list)->next) | |
252b5132 | 3869 | ; |
809ffe0d | 3870 | symbol_get_tc (list)->next = sym; |
252b5132 RH |
3871 | |
3872 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
3873 | symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP, |
3874 | &symbol_lastP); | |
252b5132 RH |
3875 | } |
3876 | ||
3877 | ppc_current_csect = ppc_toc_csect; | |
3878 | ||
3879 | demand_empty_rest_of_line (); | |
3880 | } | |
3881 | ||
3882 | /* The AIX assembler automatically aligns the operands of a .long or | |
3883 | .short pseudo-op, and we want to be compatible. */ | |
3884 | ||
3885 | static void | |
3886 | ppc_xcoff_cons (log_size) | |
3887 | int log_size; | |
3888 | { | |
3889 | frag_align (log_size, 0, 0); | |
3890 | record_alignment (now_seg, log_size); | |
3891 | cons (1 << log_size); | |
3892 | } | |
3893 | ||
3894 | static void | |
3895 | ppc_vbyte (dummy) | |
5480ccf3 | 3896 | int dummy ATTRIBUTE_UNUSED; |
252b5132 RH |
3897 | { |
3898 | expressionS exp; | |
3899 | int byte_count; | |
3900 | ||
3901 | (void) expression (&exp); | |
3902 | ||
3903 | if (exp.X_op != O_constant) | |
3904 | { | |
3905 | as_bad (_("non-constant byte count")); | |
3906 | return; | |
3907 | } | |
3908 | ||
3909 | byte_count = exp.X_add_number; | |
3910 | ||
3911 | if (*input_line_pointer != ',') | |
3912 | { | |
3913 | as_bad (_("missing value")); | |
3914 | return; | |
3915 | } | |
3916 | ||
3917 | ++input_line_pointer; | |
3918 | cons (byte_count); | |
3919 | } | |
3920 | ||
3921 | #endif /* OBJ_XCOFF */ | |
0baf16f2 | 3922 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
252b5132 RH |
3923 | \f |
3924 | /* The .tc pseudo-op. This is used when generating either XCOFF or | |
3925 | ELF. This takes two or more arguments. | |
3926 | ||
3927 | When generating XCOFF output, the first argument is the name to | |
3928 | give to this location in the toc; this will be a symbol with class | |
0baf16f2 | 3929 | TC. The rest of the arguments are N-byte values to actually put at |
252b5132 | 3930 | this location in the TOC; often there is just one more argument, a |
1049f94e | 3931 | relocatable symbol reference. The size of the value to store |
0baf16f2 AM |
3932 | depends on target word size. A 32-bit target uses 4-byte values, a |
3933 | 64-bit target uses 8-byte values. | |
252b5132 RH |
3934 | |
3935 | When not generating XCOFF output, the arguments are the same, but | |
3936 | the first argument is simply ignored. */ | |
3937 | ||
3938 | static void | |
3939 | ppc_tc (ignore) | |
92161534 | 3940 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3941 | { |
3942 | #ifdef OBJ_XCOFF | |
3943 | ||
3944 | /* Define the TOC symbol name. */ | |
3945 | { | |
3946 | char *name; | |
3947 | char endc; | |
3948 | symbolS *sym; | |
3949 | ||
3950 | if (ppc_toc_csect == (symbolS *) NULL | |
3951 | || ppc_toc_csect != ppc_current_csect) | |
3952 | { | |
3953 | as_bad (_(".tc not in .toc section")); | |
3954 | ignore_rest_of_line (); | |
3955 | return; | |
3956 | } | |
3957 | ||
3958 | name = input_line_pointer; | |
3959 | endc = get_symbol_end (); | |
3960 | ||
3961 | sym = symbol_find_or_make (name); | |
3962 | ||
3963 | *input_line_pointer = endc; | |
3964 | ||
3965 | if (S_IS_DEFINED (sym)) | |
3966 | { | |
3967 | symbolS *label; | |
3968 | ||
809ffe0d ILT |
3969 | label = symbol_get_tc (ppc_current_csect)->within; |
3970 | if (symbol_get_tc (label)->class != XMC_TC0) | |
252b5132 RH |
3971 | { |
3972 | as_bad (_(".tc with no label")); | |
3973 | ignore_rest_of_line (); | |
3974 | return; | |
3975 | } | |
3976 | ||
3977 | S_SET_SEGMENT (label, S_GET_SEGMENT (sym)); | |
809ffe0d | 3978 | symbol_set_frag (label, symbol_get_frag (sym)); |
252b5132 RH |
3979 | S_SET_VALUE (label, S_GET_VALUE (sym)); |
3980 | ||
3981 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
3982 | ++input_line_pointer; | |
3983 | ||
3984 | return; | |
3985 | } | |
3986 | ||
3987 | S_SET_SEGMENT (sym, now_seg); | |
809ffe0d | 3988 | symbol_set_frag (sym, frag_now); |
252b5132 | 3989 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); |
809ffe0d ILT |
3990 | symbol_get_tc (sym)->class = XMC_TC; |
3991 | symbol_get_tc (sym)->output = 1; | |
252b5132 RH |
3992 | |
3993 | ppc_frob_label (sym); | |
3994 | } | |
3995 | ||
0baf16f2 AM |
3996 | #endif /* OBJ_XCOFF */ |
3997 | #ifdef OBJ_ELF | |
9c7977b3 | 3998 | int align; |
252b5132 RH |
3999 | |
4000 | /* Skip the TOC symbol name. */ | |
4001 | while (is_part_of_name (*input_line_pointer) | |
4002 | || *input_line_pointer == '[' | |
4003 | || *input_line_pointer == ']' | |
4004 | || *input_line_pointer == '{' | |
4005 | || *input_line_pointer == '}') | |
4006 | ++input_line_pointer; | |
4007 | ||
0baf16f2 | 4008 | /* Align to a four/eight byte boundary. */ |
2b3c4602 | 4009 | align = ppc_obj64 ? 3 : 2; |
9c7977b3 AM |
4010 | frag_align (align, 0, 0); |
4011 | record_alignment (now_seg, align); | |
0baf16f2 | 4012 | #endif /* OBJ_ELF */ |
252b5132 RH |
4013 | |
4014 | if (*input_line_pointer != ',') | |
4015 | demand_empty_rest_of_line (); | |
4016 | else | |
4017 | { | |
4018 | ++input_line_pointer; | |
2b3c4602 | 4019 | cons (ppc_obj64 ? 8 : 4); |
252b5132 RH |
4020 | } |
4021 | } | |
0baf16f2 AM |
4022 | |
4023 | /* Pseudo-op .machine. */ | |
0baf16f2 AM |
4024 | |
4025 | static void | |
4026 | ppc_machine (ignore) | |
4027 | int ignore ATTRIBUTE_UNUSED; | |
4028 | { | |
69c040df AM |
4029 | char *cpu_string; |
4030 | #define MAX_HISTORY 100 | |
4031 | static unsigned long *cpu_history; | |
4032 | static int curr_hist; | |
4033 | ||
4034 | SKIP_WHITESPACE (); | |
4035 | ||
4036 | if (*input_line_pointer == '"') | |
4037 | { | |
4038 | int len; | |
4039 | cpu_string = demand_copy_C_string (&len); | |
4040 | } | |
4041 | else | |
4042 | { | |
4043 | char c; | |
4044 | cpu_string = input_line_pointer; | |
4045 | c = get_symbol_end (); | |
4046 | cpu_string = xstrdup (cpu_string); | |
4047 | *input_line_pointer = c; | |
4048 | } | |
4049 | ||
4050 | if (cpu_string != NULL) | |
4051 | { | |
4052 | unsigned long old_cpu = ppc_cpu; | |
4053 | char *p; | |
4054 | ||
4055 | for (p = cpu_string; *p != 0; p++) | |
4056 | *p = TOLOWER (*p); | |
4057 | ||
4058 | if (strcmp (cpu_string, "push") == 0) | |
4059 | { | |
4060 | if (cpu_history == NULL) | |
4061 | cpu_history = xmalloc (MAX_HISTORY * sizeof (*cpu_history)); | |
4062 | ||
4063 | if (curr_hist >= MAX_HISTORY) | |
4064 | as_bad (_(".machine stack overflow")); | |
4065 | else | |
4066 | cpu_history[curr_hist++] = ppc_cpu; | |
4067 | } | |
4068 | else if (strcmp (cpu_string, "pop") == 0) | |
4069 | { | |
4070 | if (curr_hist <= 0) | |
4071 | as_bad (_(".machine stack underflow")); | |
4072 | else | |
4073 | ppc_cpu = cpu_history[--curr_hist]; | |
4074 | } | |
4075 | else if (parse_cpu (cpu_string)) | |
4076 | ; | |
4077 | else | |
4078 | as_bad (_("invalid machine `%s'"), cpu_string); | |
4079 | ||
4080 | if (ppc_cpu != old_cpu) | |
4081 | ppc_setup_opcodes (); | |
4082 | } | |
4083 | ||
4084 | demand_empty_rest_of_line (); | |
0baf16f2 AM |
4085 | } |
4086 | ||
4087 | /* See whether a symbol is in the TOC section. */ | |
4088 | ||
4089 | static int | |
4090 | ppc_is_toc_sym (sym) | |
4091 | symbolS *sym; | |
4092 | { | |
4093 | #ifdef OBJ_XCOFF | |
4094 | return symbol_get_tc (sym)->class == XMC_TC; | |
4095 | #endif | |
4096 | #ifdef OBJ_ELF | |
4097 | const char *sname = segment_name (S_GET_SEGMENT (sym)); | |
2b3c4602 | 4098 | if (ppc_obj64) |
0baf16f2 AM |
4099 | return strcmp (sname, ".toc") == 0; |
4100 | else | |
4101 | return strcmp (sname, ".got") == 0; | |
4102 | #endif | |
4103 | } | |
4104 | #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */ | |
252b5132 RH |
4105 | \f |
4106 | #ifdef TE_PE | |
4107 | ||
99a814a1 | 4108 | /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */ |
252b5132 RH |
4109 | |
4110 | /* Set the current section. */ | |
4111 | static void | |
4112 | ppc_set_current_section (new) | |
4113 | segT new; | |
4114 | { | |
4115 | ppc_previous_section = ppc_current_section; | |
4116 | ppc_current_section = new; | |
4117 | } | |
4118 | ||
4119 | /* pseudo-op: .previous | |
4120 | behaviour: toggles the current section with the previous section. | |
4121 | errors: None | |
99a814a1 AM |
4122 | warnings: "No previous section" */ |
4123 | ||
252b5132 | 4124 | static void |
99a814a1 | 4125 | ppc_previous (ignore) |
5480ccf3 | 4126 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
4127 | { |
4128 | symbolS *tmp; | |
4129 | ||
81d4177b | 4130 | if (ppc_previous_section == NULL) |
252b5132 | 4131 | { |
99a814a1 | 4132 | as_warn (_("No previous section to return to. Directive ignored.")); |
252b5132 RH |
4133 | return; |
4134 | } | |
4135 | ||
99a814a1 | 4136 | subseg_set (ppc_previous_section, 0); |
252b5132 | 4137 | |
99a814a1 | 4138 | ppc_set_current_section (ppc_previous_section); |
252b5132 RH |
4139 | } |
4140 | ||
4141 | /* pseudo-op: .pdata | |
4142 | behaviour: predefined read only data section | |
b34976b6 | 4143 | double word aligned |
252b5132 RH |
4144 | errors: None |
4145 | warnings: None | |
4146 | initial: .section .pdata "adr3" | |
b34976b6 | 4147 | a - don't know -- maybe a misprint |
252b5132 RH |
4148 | d - initialized data |
4149 | r - readable | |
4150 | 3 - double word aligned (that would be 4 byte boundary) | |
4151 | ||
4152 | commentary: | |
4153 | Tag index tables (also known as the function table) for exception | |
99a814a1 | 4154 | handling, debugging, etc. */ |
252b5132 | 4155 | |
252b5132 | 4156 | static void |
99a814a1 | 4157 | ppc_pdata (ignore) |
5480ccf3 | 4158 | int ignore ATTRIBUTE_UNUSED; |
252b5132 | 4159 | { |
81d4177b | 4160 | if (pdata_section == 0) |
252b5132 RH |
4161 | { |
4162 | pdata_section = subseg_new (".pdata", 0); | |
81d4177b | 4163 | |
252b5132 RH |
4164 | bfd_set_section_flags (stdoutput, pdata_section, |
4165 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
4166 | | SEC_READONLY | SEC_DATA )); | |
81d4177b | 4167 | |
252b5132 RH |
4168 | bfd_set_section_alignment (stdoutput, pdata_section, 2); |
4169 | } | |
4170 | else | |
4171 | { | |
99a814a1 | 4172 | pdata_section = subseg_new (".pdata", 0); |
252b5132 | 4173 | } |
99a814a1 | 4174 | ppc_set_current_section (pdata_section); |
252b5132 RH |
4175 | } |
4176 | ||
4177 | /* pseudo-op: .ydata | |
4178 | behaviour: predefined read only data section | |
b34976b6 | 4179 | double word aligned |
252b5132 RH |
4180 | errors: None |
4181 | warnings: None | |
4182 | initial: .section .ydata "drw3" | |
b34976b6 | 4183 | a - don't know -- maybe a misprint |
252b5132 RH |
4184 | d - initialized data |
4185 | r - readable | |
4186 | 3 - double word aligned (that would be 4 byte boundary) | |
4187 | commentary: | |
4188 | Tag tables (also known as the scope table) for exception handling, | |
99a814a1 AM |
4189 | debugging, etc. */ |
4190 | ||
252b5132 | 4191 | static void |
99a814a1 | 4192 | ppc_ydata (ignore) |
5480ccf3 | 4193 | int ignore ATTRIBUTE_UNUSED; |
252b5132 | 4194 | { |
81d4177b | 4195 | if (ydata_section == 0) |
252b5132 RH |
4196 | { |
4197 | ydata_section = subseg_new (".ydata", 0); | |
4198 | bfd_set_section_flags (stdoutput, ydata_section, | |
99a814a1 AM |
4199 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
4200 | | SEC_READONLY | SEC_DATA )); | |
252b5132 RH |
4201 | |
4202 | bfd_set_section_alignment (stdoutput, ydata_section, 3); | |
4203 | } | |
4204 | else | |
4205 | { | |
4206 | ydata_section = subseg_new (".ydata", 0); | |
4207 | } | |
99a814a1 | 4208 | ppc_set_current_section (ydata_section); |
252b5132 RH |
4209 | } |
4210 | ||
4211 | /* pseudo-op: .reldata | |
4212 | behaviour: predefined read write data section | |
b34976b6 | 4213 | double word aligned (4-byte) |
252b5132 RH |
4214 | FIXME: relocation is applied to it |
4215 | FIXME: what's the difference between this and .data? | |
4216 | errors: None | |
4217 | warnings: None | |
4218 | initial: .section .reldata "drw3" | |
4219 | d - initialized data | |
4220 | r - readable | |
4221 | w - writeable | |
4222 | 3 - double word aligned (that would be 8 byte boundary) | |
4223 | ||
4224 | commentary: | |
4225 | Like .data, but intended to hold data subject to relocation, such as | |
99a814a1 AM |
4226 | function descriptors, etc. */ |
4227 | ||
252b5132 | 4228 | static void |
99a814a1 | 4229 | ppc_reldata (ignore) |
5480ccf3 | 4230 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
4231 | { |
4232 | if (reldata_section == 0) | |
4233 | { | |
4234 | reldata_section = subseg_new (".reldata", 0); | |
4235 | ||
4236 | bfd_set_section_flags (stdoutput, reldata_section, | |
99a814a1 AM |
4237 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
4238 | | SEC_DATA)); | |
252b5132 RH |
4239 | |
4240 | bfd_set_section_alignment (stdoutput, reldata_section, 2); | |
4241 | } | |
4242 | else | |
4243 | { | |
4244 | reldata_section = subseg_new (".reldata", 0); | |
4245 | } | |
99a814a1 | 4246 | ppc_set_current_section (reldata_section); |
252b5132 RH |
4247 | } |
4248 | ||
4249 | /* pseudo-op: .rdata | |
4250 | behaviour: predefined read only data section | |
b34976b6 | 4251 | double word aligned |
252b5132 RH |
4252 | errors: None |
4253 | warnings: None | |
4254 | initial: .section .rdata "dr3" | |
4255 | d - initialized data | |
4256 | r - readable | |
99a814a1 AM |
4257 | 3 - double word aligned (that would be 4 byte boundary) */ |
4258 | ||
252b5132 | 4259 | static void |
99a814a1 | 4260 | ppc_rdata (ignore) |
5480ccf3 | 4261 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
4262 | { |
4263 | if (rdata_section == 0) | |
4264 | { | |
4265 | rdata_section = subseg_new (".rdata", 0); | |
4266 | bfd_set_section_flags (stdoutput, rdata_section, | |
4267 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
4268 | | SEC_READONLY | SEC_DATA )); | |
4269 | ||
4270 | bfd_set_section_alignment (stdoutput, rdata_section, 2); | |
4271 | } | |
4272 | else | |
4273 | { | |
4274 | rdata_section = subseg_new (".rdata", 0); | |
4275 | } | |
99a814a1 | 4276 | ppc_set_current_section (rdata_section); |
252b5132 RH |
4277 | } |
4278 | ||
4279 | /* pseudo-op: .ualong | |
81d4177b | 4280 | behaviour: much like .int, with the exception that no alignment is |
b34976b6 | 4281 | performed. |
252b5132 RH |
4282 | FIXME: test the alignment statement |
4283 | errors: None | |
99a814a1 AM |
4284 | warnings: None */ |
4285 | ||
252b5132 | 4286 | static void |
99a814a1 | 4287 | ppc_ualong (ignore) |
5480ccf3 | 4288 | int ignore ATTRIBUTE_UNUSED; |
252b5132 | 4289 | { |
99a814a1 AM |
4290 | /* Try for long. */ |
4291 | cons (4); | |
252b5132 RH |
4292 | } |
4293 | ||
4294 | /* pseudo-op: .znop <symbol name> | |
4295 | behaviour: Issue a nop instruction | |
b34976b6 | 4296 | Issue a IMAGE_REL_PPC_IFGLUE relocation against it, using |
252b5132 RH |
4297 | the supplied symbol name. |
4298 | errors: None | |
99a814a1 AM |
4299 | warnings: Missing symbol name */ |
4300 | ||
252b5132 | 4301 | static void |
99a814a1 | 4302 | ppc_znop (ignore) |
5480ccf3 | 4303 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
4304 | { |
4305 | unsigned long insn; | |
4306 | const struct powerpc_opcode *opcode; | |
4307 | expressionS ex; | |
4308 | char *f; | |
252b5132 | 4309 | symbolS *sym; |
252b5132 RH |
4310 | char *symbol_name; |
4311 | char c; | |
4312 | char *name; | |
4313 | unsigned int exp; | |
4314 | flagword flags; | |
4315 | asection *sec; | |
4316 | ||
99a814a1 | 4317 | /* Strip out the symbol name. */ |
252b5132 RH |
4318 | symbol_name = input_line_pointer; |
4319 | c = get_symbol_end (); | |
4320 | ||
4321 | name = xmalloc (input_line_pointer - symbol_name + 1); | |
4322 | strcpy (name, symbol_name); | |
4323 | ||
4324 | sym = symbol_find_or_make (name); | |
4325 | ||
4326 | *input_line_pointer = c; | |
4327 | ||
4328 | SKIP_WHITESPACE (); | |
4329 | ||
4330 | /* Look up the opcode in the hash table. */ | |
4331 | opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, "nop"); | |
4332 | ||
99a814a1 | 4333 | /* Stick in the nop. */ |
252b5132 RH |
4334 | insn = opcode->opcode; |
4335 | ||
4336 | /* Write out the instruction. */ | |
4337 | f = frag_more (4); | |
4338 | md_number_to_chars (f, insn, 4); | |
4339 | fix_new (frag_now, | |
4340 | f - frag_now->fr_literal, | |
4341 | 4, | |
4342 | sym, | |
4343 | 0, | |
4344 | 0, | |
4345 | BFD_RELOC_16_GOT_PCREL); | |
4346 | ||
4347 | } | |
4348 | ||
81d4177b KH |
4349 | /* pseudo-op: |
4350 | behaviour: | |
4351 | errors: | |
99a814a1 AM |
4352 | warnings: */ |
4353 | ||
252b5132 | 4354 | static void |
99a814a1 | 4355 | ppc_pe_comm (lcomm) |
252b5132 RH |
4356 | int lcomm; |
4357 | { | |
4358 | register char *name; | |
4359 | register char c; | |
4360 | register char *p; | |
4361 | offsetT temp; | |
4362 | register symbolS *symbolP; | |
4363 | offsetT align; | |
4364 | ||
4365 | name = input_line_pointer; | |
4366 | c = get_symbol_end (); | |
4367 | ||
99a814a1 | 4368 | /* just after name is now '\0'. */ |
252b5132 RH |
4369 | p = input_line_pointer; |
4370 | *p = c; | |
4371 | SKIP_WHITESPACE (); | |
4372 | if (*input_line_pointer != ',') | |
4373 | { | |
4374 | as_bad (_("Expected comma after symbol-name: rest of line ignored.")); | |
4375 | ignore_rest_of_line (); | |
4376 | return; | |
4377 | } | |
4378 | ||
4379 | input_line_pointer++; /* skip ',' */ | |
4380 | if ((temp = get_absolute_expression ()) < 0) | |
4381 | { | |
4382 | as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) temp); | |
4383 | ignore_rest_of_line (); | |
4384 | return; | |
4385 | } | |
4386 | ||
4387 | if (! lcomm) | |
4388 | { | |
4389 | /* The third argument to .comm is the alignment. */ | |
4390 | if (*input_line_pointer != ',') | |
4391 | align = 3; | |
4392 | else | |
4393 | { | |
4394 | ++input_line_pointer; | |
4395 | align = get_absolute_expression (); | |
4396 | if (align <= 0) | |
4397 | { | |
4398 | as_warn (_("ignoring bad alignment")); | |
4399 | align = 3; | |
4400 | } | |
4401 | } | |
4402 | } | |
4403 | ||
4404 | *p = 0; | |
4405 | symbolP = symbol_find_or_make (name); | |
4406 | ||
4407 | *p = c; | |
4408 | if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP)) | |
4409 | { | |
4410 | as_bad (_("Ignoring attempt to re-define symbol `%s'."), | |
4411 | S_GET_NAME (symbolP)); | |
4412 | ignore_rest_of_line (); | |
4413 | return; | |
4414 | } | |
4415 | ||
4416 | if (S_GET_VALUE (symbolP)) | |
4417 | { | |
4418 | if (S_GET_VALUE (symbolP) != (valueT) temp) | |
4419 | as_bad (_("Length of .comm \"%s\" is already %ld. Not changed to %ld."), | |
4420 | S_GET_NAME (symbolP), | |
4421 | (long) S_GET_VALUE (symbolP), | |
4422 | (long) temp); | |
4423 | } | |
4424 | else | |
4425 | { | |
4426 | S_SET_VALUE (symbolP, (valueT) temp); | |
4427 | S_SET_EXTERNAL (symbolP); | |
86ebace2 | 4428 | S_SET_SEGMENT (symbolP, bfd_com_section_ptr); |
252b5132 RH |
4429 | } |
4430 | ||
4431 | demand_empty_rest_of_line (); | |
4432 | } | |
4433 | ||
4434 | /* | |
4435 | * implement the .section pseudo op: | |
4436 | * .section name {, "flags"} | |
4437 | * ^ ^ | |
4438 | * | +--- optional flags: 'b' for bss | |
4439 | * | 'i' for info | |
4440 | * +-- section name 'l' for lib | |
4441 | * 'n' for noload | |
4442 | * 'o' for over | |
4443 | * 'w' for data | |
4444 | * 'd' (apparently m88k for data) | |
4445 | * 'x' for text | |
4446 | * But if the argument is not a quoted string, treat it as a | |
4447 | * subsegment number. | |
4448 | * | |
4449 | * FIXME: this is a copy of the section processing from obj-coff.c, with | |
4450 | * additions/changes for the moto-pas assembler support. There are three | |
4451 | * categories: | |
4452 | * | |
81d4177b | 4453 | * FIXME: I just noticed this. This doesn't work at all really. It it |
252b5132 RH |
4454 | * setting bits that bfd probably neither understands or uses. The |
4455 | * correct approach (?) will have to incorporate extra fields attached | |
4456 | * to the section to hold the system specific stuff. (krk) | |
4457 | * | |
4458 | * Section Contents: | |
4459 | * 'a' - unknown - referred to in documentation, but no definition supplied | |
4460 | * 'c' - section has code | |
4461 | * 'd' - section has initialized data | |
4462 | * 'u' - section has uninitialized data | |
4463 | * 'i' - section contains directives (info) | |
4464 | * 'n' - section can be discarded | |
4465 | * 'R' - remove section at link time | |
4466 | * | |
4467 | * Section Protection: | |
4468 | * 'r' - section is readable | |
4469 | * 'w' - section is writeable | |
4470 | * 'x' - section is executable | |
4471 | * 's' - section is sharable | |
4472 | * | |
4473 | * Section Alignment: | |
4474 | * '0' - align to byte boundary | |
4475 | * '1' - align to halfword undary | |
4476 | * '2' - align to word boundary | |
4477 | * '3' - align to doubleword boundary | |
4478 | * '4' - align to quadword boundary | |
4479 | * '5' - align to 32 byte boundary | |
4480 | * '6' - align to 64 byte boundary | |
4481 | * | |
4482 | */ | |
4483 | ||
4484 | void | |
4485 | ppc_pe_section (ignore) | |
5480ccf3 | 4486 | int ignore ATTRIBUTE_UNUSED; |
252b5132 | 4487 | { |
99a814a1 | 4488 | /* Strip out the section name. */ |
252b5132 RH |
4489 | char *section_name; |
4490 | char c; | |
4491 | char *name; | |
4492 | unsigned int exp; | |
4493 | flagword flags; | |
4494 | segT sec; | |
4495 | int align; | |
4496 | ||
4497 | section_name = input_line_pointer; | |
4498 | c = get_symbol_end (); | |
4499 | ||
4500 | name = xmalloc (input_line_pointer - section_name + 1); | |
4501 | strcpy (name, section_name); | |
4502 | ||
4503 | *input_line_pointer = c; | |
4504 | ||
4505 | SKIP_WHITESPACE (); | |
4506 | ||
4507 | exp = 0; | |
4508 | flags = SEC_NO_FLAGS; | |
4509 | ||
4510 | if (strcmp (name, ".idata$2") == 0) | |
4511 | { | |
4512 | align = 0; | |
4513 | } | |
4514 | else if (strcmp (name, ".idata$3") == 0) | |
4515 | { | |
4516 | align = 0; | |
4517 | } | |
4518 | else if (strcmp (name, ".idata$4") == 0) | |
4519 | { | |
4520 | align = 2; | |
4521 | } | |
4522 | else if (strcmp (name, ".idata$5") == 0) | |
4523 | { | |
4524 | align = 2; | |
4525 | } | |
4526 | else if (strcmp (name, ".idata$6") == 0) | |
4527 | { | |
4528 | align = 1; | |
4529 | } | |
4530 | else | |
99a814a1 AM |
4531 | /* Default alignment to 16 byte boundary. */ |
4532 | align = 4; | |
252b5132 RH |
4533 | |
4534 | if (*input_line_pointer == ',') | |
4535 | { | |
4536 | ++input_line_pointer; | |
4537 | SKIP_WHITESPACE (); | |
4538 | if (*input_line_pointer != '"') | |
4539 | exp = get_absolute_expression (); | |
4540 | else | |
4541 | { | |
4542 | ++input_line_pointer; | |
4543 | while (*input_line_pointer != '"' | |
4544 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
4545 | { | |
4546 | switch (*input_line_pointer) | |
4547 | { | |
4548 | /* Section Contents */ | |
4549 | case 'a': /* unknown */ | |
4550 | as_bad (_("Unsupported section attribute -- 'a'")); | |
4551 | break; | |
4552 | case 'c': /* code section */ | |
81d4177b | 4553 | flags |= SEC_CODE; |
252b5132 RH |
4554 | break; |
4555 | case 'd': /* section has initialized data */ | |
4556 | flags |= SEC_DATA; | |
4557 | break; | |
4558 | case 'u': /* section has uninitialized data */ | |
4559 | /* FIXME: This is IMAGE_SCN_CNT_UNINITIALIZED_DATA | |
4560 | in winnt.h */ | |
4561 | flags |= SEC_ROM; | |
4562 | break; | |
4563 | case 'i': /* section contains directives (info) */ | |
4564 | /* FIXME: This is IMAGE_SCN_LNK_INFO | |
4565 | in winnt.h */ | |
4566 | flags |= SEC_HAS_CONTENTS; | |
4567 | break; | |
4568 | case 'n': /* section can be discarded */ | |
81d4177b | 4569 | flags &=~ SEC_LOAD; |
252b5132 RH |
4570 | break; |
4571 | case 'R': /* Remove section at link time */ | |
4572 | flags |= SEC_NEVER_LOAD; | |
4573 | break; | |
4574 | ||
4575 | /* Section Protection */ | |
4576 | case 'r': /* section is readable */ | |
4577 | flags |= IMAGE_SCN_MEM_READ; | |
4578 | break; | |
4579 | case 'w': /* section is writeable */ | |
4580 | flags |= IMAGE_SCN_MEM_WRITE; | |
4581 | break; | |
4582 | case 'x': /* section is executable */ | |
4583 | flags |= IMAGE_SCN_MEM_EXECUTE; | |
4584 | break; | |
4585 | case 's': /* section is sharable */ | |
4586 | flags |= IMAGE_SCN_MEM_SHARED; | |
4587 | break; | |
4588 | ||
4589 | /* Section Alignment */ | |
4590 | case '0': /* align to byte boundary */ | |
4591 | flags |= IMAGE_SCN_ALIGN_1BYTES; | |
4592 | align = 0; | |
4593 | break; | |
4594 | case '1': /* align to halfword boundary */ | |
4595 | flags |= IMAGE_SCN_ALIGN_2BYTES; | |
4596 | align = 1; | |
4597 | break; | |
4598 | case '2': /* align to word boundary */ | |
4599 | flags |= IMAGE_SCN_ALIGN_4BYTES; | |
4600 | align = 2; | |
4601 | break; | |
4602 | case '3': /* align to doubleword boundary */ | |
4603 | flags |= IMAGE_SCN_ALIGN_8BYTES; | |
4604 | align = 3; | |
4605 | break; | |
4606 | case '4': /* align to quadword boundary */ | |
4607 | flags |= IMAGE_SCN_ALIGN_16BYTES; | |
4608 | align = 4; | |
4609 | break; | |
4610 | case '5': /* align to 32 byte boundary */ | |
4611 | flags |= IMAGE_SCN_ALIGN_32BYTES; | |
4612 | align = 5; | |
4613 | break; | |
4614 | case '6': /* align to 64 byte boundary */ | |
4615 | flags |= IMAGE_SCN_ALIGN_64BYTES; | |
4616 | align = 6; | |
4617 | break; | |
4618 | ||
4619 | default: | |
99a814a1 AM |
4620 | as_bad (_("unknown section attribute '%c'"), |
4621 | *input_line_pointer); | |
252b5132 RH |
4622 | break; |
4623 | } | |
4624 | ++input_line_pointer; | |
4625 | } | |
4626 | if (*input_line_pointer == '"') | |
4627 | ++input_line_pointer; | |
4628 | } | |
4629 | } | |
4630 | ||
4631 | sec = subseg_new (name, (subsegT) exp); | |
4632 | ||
99a814a1 | 4633 | ppc_set_current_section (sec); |
252b5132 RH |
4634 | |
4635 | if (flags != SEC_NO_FLAGS) | |
4636 | { | |
4637 | if (! bfd_set_section_flags (stdoutput, sec, flags)) | |
4638 | as_bad (_("error setting flags for \"%s\": %s"), | |
4639 | bfd_section_name (stdoutput, sec), | |
4640 | bfd_errmsg (bfd_get_error ())); | |
4641 | } | |
4642 | ||
99a814a1 | 4643 | bfd_set_section_alignment (stdoutput, sec, align); |
252b5132 RH |
4644 | |
4645 | } | |
4646 | ||
4647 | static void | |
4648 | ppc_pe_function (ignore) | |
5480ccf3 | 4649 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
4650 | { |
4651 | char *name; | |
4652 | char endc; | |
4653 | symbolS *ext_sym; | |
4654 | ||
4655 | name = input_line_pointer; | |
4656 | endc = get_symbol_end (); | |
4657 | ||
4658 | ext_sym = symbol_find_or_make (name); | |
4659 | ||
4660 | *input_line_pointer = endc; | |
4661 | ||
4662 | S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT); | |
4663 | SF_SET_FUNCTION (ext_sym); | |
4664 | SF_SET_PROCESS (ext_sym); | |
4665 | coff_add_linesym (ext_sym); | |
4666 | ||
4667 | demand_empty_rest_of_line (); | |
4668 | } | |
4669 | ||
4670 | static void | |
4671 | ppc_pe_tocd (ignore) | |
5480ccf3 | 4672 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
4673 | { |
4674 | if (tocdata_section == 0) | |
4675 | { | |
4676 | tocdata_section = subseg_new (".tocd", 0); | |
99a814a1 | 4677 | /* FIXME: section flags won't work. */ |
252b5132 RH |
4678 | bfd_set_section_flags (stdoutput, tocdata_section, |
4679 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
99a814a1 | 4680 | | SEC_READONLY | SEC_DATA)); |
252b5132 RH |
4681 | |
4682 | bfd_set_section_alignment (stdoutput, tocdata_section, 2); | |
4683 | } | |
4684 | else | |
4685 | { | |
4686 | rdata_section = subseg_new (".tocd", 0); | |
4687 | } | |
4688 | ||
99a814a1 | 4689 | ppc_set_current_section (tocdata_section); |
252b5132 RH |
4690 | |
4691 | demand_empty_rest_of_line (); | |
4692 | } | |
4693 | ||
4694 | /* Don't adjust TOC relocs to use the section symbol. */ | |
4695 | ||
4696 | int | |
4697 | ppc_pe_fix_adjustable (fix) | |
4698 | fixS *fix; | |
4699 | { | |
4700 | return fix->fx_r_type != BFD_RELOC_PPC_TOC16; | |
4701 | } | |
4702 | ||
4703 | #endif | |
4704 | \f | |
4705 | #ifdef OBJ_XCOFF | |
4706 | ||
4707 | /* XCOFF specific symbol and file handling. */ | |
4708 | ||
4709 | /* Canonicalize the symbol name. We use the to force the suffix, if | |
4710 | any, to use square brackets, and to be in upper case. */ | |
4711 | ||
4712 | char * | |
4713 | ppc_canonicalize_symbol_name (name) | |
4714 | char *name; | |
4715 | { | |
4716 | char *s; | |
4717 | ||
4718 | if (ppc_stab_symbol) | |
4719 | return name; | |
4720 | ||
4721 | for (s = name; *s != '\0' && *s != '{' && *s != '['; s++) | |
4722 | ; | |
4723 | if (*s != '\0') | |
4724 | { | |
4725 | char brac; | |
4726 | ||
4727 | if (*s == '[') | |
4728 | brac = ']'; | |
4729 | else | |
4730 | { | |
4731 | *s = '['; | |
4732 | brac = '}'; | |
4733 | } | |
4734 | ||
4735 | for (s++; *s != '\0' && *s != brac; s++) | |
3882b010 | 4736 | *s = TOUPPER (*s); |
252b5132 RH |
4737 | |
4738 | if (*s == '\0' || s[1] != '\0') | |
4739 | as_bad (_("bad symbol suffix")); | |
4740 | ||
4741 | *s = ']'; | |
4742 | } | |
4743 | ||
4744 | return name; | |
4745 | } | |
4746 | ||
4747 | /* Set the class of a symbol based on the suffix, if any. This is | |
4748 | called whenever a new symbol is created. */ | |
4749 | ||
4750 | void | |
4751 | ppc_symbol_new_hook (sym) | |
4752 | symbolS *sym; | |
4753 | { | |
809ffe0d | 4754 | struct ppc_tc_sy *tc; |
252b5132 RH |
4755 | const char *s; |
4756 | ||
809ffe0d ILT |
4757 | tc = symbol_get_tc (sym); |
4758 | tc->next = NULL; | |
4759 | tc->output = 0; | |
4760 | tc->class = -1; | |
4761 | tc->real_name = NULL; | |
4762 | tc->subseg = 0; | |
4763 | tc->align = 0; | |
4764 | tc->size = NULL; | |
4765 | tc->within = NULL; | |
252b5132 RH |
4766 | |
4767 | if (ppc_stab_symbol) | |
4768 | return; | |
4769 | ||
4770 | s = strchr (S_GET_NAME (sym), '['); | |
4771 | if (s == (const char *) NULL) | |
4772 | { | |
4773 | /* There is no suffix. */ | |
4774 | return; | |
4775 | } | |
4776 | ||
4777 | ++s; | |
4778 | ||
4779 | switch (s[0]) | |
4780 | { | |
4781 | case 'B': | |
4782 | if (strcmp (s, "BS]") == 0) | |
809ffe0d | 4783 | tc->class = XMC_BS; |
252b5132 RH |
4784 | break; |
4785 | case 'D': | |
4786 | if (strcmp (s, "DB]") == 0) | |
809ffe0d | 4787 | tc->class = XMC_DB; |
252b5132 | 4788 | else if (strcmp (s, "DS]") == 0) |
809ffe0d | 4789 | tc->class = XMC_DS; |
252b5132 RH |
4790 | break; |
4791 | case 'G': | |
4792 | if (strcmp (s, "GL]") == 0) | |
809ffe0d | 4793 | tc->class = XMC_GL; |
252b5132 RH |
4794 | break; |
4795 | case 'P': | |
4796 | if (strcmp (s, "PR]") == 0) | |
809ffe0d | 4797 | tc->class = XMC_PR; |
252b5132 RH |
4798 | break; |
4799 | case 'R': | |
4800 | if (strcmp (s, "RO]") == 0) | |
809ffe0d | 4801 | tc->class = XMC_RO; |
252b5132 | 4802 | else if (strcmp (s, "RW]") == 0) |
809ffe0d | 4803 | tc->class = XMC_RW; |
252b5132 RH |
4804 | break; |
4805 | case 'S': | |
4806 | if (strcmp (s, "SV]") == 0) | |
809ffe0d | 4807 | tc->class = XMC_SV; |
252b5132 RH |
4808 | break; |
4809 | case 'T': | |
4810 | if (strcmp (s, "TC]") == 0) | |
809ffe0d | 4811 | tc->class = XMC_TC; |
252b5132 | 4812 | else if (strcmp (s, "TI]") == 0) |
809ffe0d | 4813 | tc->class = XMC_TI; |
252b5132 | 4814 | else if (strcmp (s, "TB]") == 0) |
809ffe0d | 4815 | tc->class = XMC_TB; |
252b5132 | 4816 | else if (strcmp (s, "TC0]") == 0 || strcmp (s, "T0]") == 0) |
809ffe0d | 4817 | tc->class = XMC_TC0; |
252b5132 RH |
4818 | break; |
4819 | case 'U': | |
4820 | if (strcmp (s, "UA]") == 0) | |
809ffe0d | 4821 | tc->class = XMC_UA; |
252b5132 | 4822 | else if (strcmp (s, "UC]") == 0) |
809ffe0d | 4823 | tc->class = XMC_UC; |
252b5132 RH |
4824 | break; |
4825 | case 'X': | |
4826 | if (strcmp (s, "XO]") == 0) | |
809ffe0d | 4827 | tc->class = XMC_XO; |
252b5132 RH |
4828 | break; |
4829 | } | |
4830 | ||
809ffe0d | 4831 | if (tc->class == -1) |
252b5132 RH |
4832 | as_bad (_("Unrecognized symbol suffix")); |
4833 | } | |
4834 | ||
4835 | /* Set the class of a label based on where it is defined. This | |
4836 | handles symbols without suffixes. Also, move the symbol so that it | |
4837 | follows the csect symbol. */ | |
4838 | ||
4839 | void | |
4840 | ppc_frob_label (sym) | |
4841 | symbolS *sym; | |
4842 | { | |
4843 | if (ppc_current_csect != (symbolS *) NULL) | |
4844 | { | |
809ffe0d ILT |
4845 | if (symbol_get_tc (sym)->class == -1) |
4846 | symbol_get_tc (sym)->class = symbol_get_tc (ppc_current_csect)->class; | |
252b5132 RH |
4847 | |
4848 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
4849 | symbol_append (sym, symbol_get_tc (ppc_current_csect)->within, |
4850 | &symbol_rootP, &symbol_lastP); | |
4851 | symbol_get_tc (ppc_current_csect)->within = sym; | |
252b5132 | 4852 | } |
07a53e5c RH |
4853 | |
4854 | #ifdef OBJ_ELF | |
4855 | dwarf2_emit_label (sym); | |
4856 | #endif | |
252b5132 RH |
4857 | } |
4858 | ||
4859 | /* This variable is set by ppc_frob_symbol if any absolute symbols are | |
4860 | seen. It tells ppc_adjust_symtab whether it needs to look through | |
4861 | the symbols. */ | |
4862 | ||
b34976b6 | 4863 | static bfd_boolean ppc_saw_abs; |
252b5132 RH |
4864 | |
4865 | /* Change the name of a symbol just before writing it out. Set the | |
4866 | real name if the .rename pseudo-op was used. Otherwise, remove any | |
4867 | class suffix. Return 1 if the symbol should not be included in the | |
4868 | symbol table. */ | |
4869 | ||
4870 | int | |
4871 | ppc_frob_symbol (sym) | |
4872 | symbolS *sym; | |
4873 | { | |
4874 | static symbolS *ppc_last_function; | |
4875 | static symbolS *set_end; | |
4876 | ||
4877 | /* Discard symbols that should not be included in the output symbol | |
4878 | table. */ | |
809ffe0d ILT |
4879 | if (! symbol_used_in_reloc_p (sym) |
4880 | && ((symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) != 0 | |
670ec21d | 4881 | || (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym)) |
809ffe0d | 4882 | && ! symbol_get_tc (sym)->output |
252b5132 RH |
4883 | && S_GET_STORAGE_CLASS (sym) != C_FILE))) |
4884 | return 1; | |
4885 | ||
a161fe53 AM |
4886 | /* This one will disappear anyway. Don't make a csect sym for it. */ |
4887 | if (sym == abs_section_sym) | |
4888 | return 1; | |
4889 | ||
809ffe0d ILT |
4890 | if (symbol_get_tc (sym)->real_name != (char *) NULL) |
4891 | S_SET_NAME (sym, symbol_get_tc (sym)->real_name); | |
252b5132 RH |
4892 | else |
4893 | { | |
4894 | const char *name; | |
4895 | const char *s; | |
4896 | ||
4897 | name = S_GET_NAME (sym); | |
4898 | s = strchr (name, '['); | |
4899 | if (s != (char *) NULL) | |
4900 | { | |
4901 | unsigned int len; | |
4902 | char *snew; | |
4903 | ||
4904 | len = s - name; | |
4905 | snew = xmalloc (len + 1); | |
4906 | memcpy (snew, name, len); | |
4907 | snew[len] = '\0'; | |
4908 | ||
4909 | S_SET_NAME (sym, snew); | |
4910 | } | |
4911 | } | |
4912 | ||
4913 | if (set_end != (symbolS *) NULL) | |
4914 | { | |
4915 | SA_SET_SYM_ENDNDX (set_end, sym); | |
4916 | set_end = NULL; | |
4917 | } | |
4918 | ||
4919 | if (SF_GET_FUNCTION (sym)) | |
4920 | { | |
4921 | if (ppc_last_function != (symbolS *) NULL) | |
4922 | as_bad (_("two .function pseudo-ops with no intervening .ef")); | |
4923 | ppc_last_function = sym; | |
809ffe0d | 4924 | if (symbol_get_tc (sym)->size != (symbolS *) NULL) |
252b5132 | 4925 | { |
6386f3a7 | 4926 | resolve_symbol_value (symbol_get_tc (sym)->size); |
809ffe0d ILT |
4927 | SA_SET_SYM_FSIZE (sym, |
4928 | (long) S_GET_VALUE (symbol_get_tc (sym)->size)); | |
252b5132 RH |
4929 | } |
4930 | } | |
4931 | else if (S_GET_STORAGE_CLASS (sym) == C_FCN | |
4932 | && strcmp (S_GET_NAME (sym), ".ef") == 0) | |
4933 | { | |
4934 | if (ppc_last_function == (symbolS *) NULL) | |
4935 | as_bad (_(".ef with no preceding .function")); | |
4936 | else | |
4937 | { | |
4938 | set_end = ppc_last_function; | |
4939 | ppc_last_function = NULL; | |
4940 | ||
4941 | /* We don't have a C_EFCN symbol, but we need to force the | |
4942 | COFF backend to believe that it has seen one. */ | |
4943 | coff_last_function = NULL; | |
4944 | } | |
4945 | } | |
4946 | ||
670ec21d | 4947 | if (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym)) |
809ffe0d | 4948 | && (symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) == 0 |
252b5132 RH |
4949 | && S_GET_STORAGE_CLASS (sym) != C_FILE |
4950 | && S_GET_STORAGE_CLASS (sym) != C_FCN | |
4951 | && S_GET_STORAGE_CLASS (sym) != C_BLOCK | |
4952 | && S_GET_STORAGE_CLASS (sym) != C_BSTAT | |
4953 | && S_GET_STORAGE_CLASS (sym) != C_ESTAT | |
4954 | && S_GET_STORAGE_CLASS (sym) != C_BINCL | |
4955 | && S_GET_STORAGE_CLASS (sym) != C_EINCL | |
4956 | && S_GET_SEGMENT (sym) != ppc_coff_debug_section) | |
4957 | S_SET_STORAGE_CLASS (sym, C_HIDEXT); | |
4958 | ||
4959 | if (S_GET_STORAGE_CLASS (sym) == C_EXT | |
4960 | || S_GET_STORAGE_CLASS (sym) == C_HIDEXT) | |
4961 | { | |
4962 | int i; | |
4963 | union internal_auxent *a; | |
4964 | ||
4965 | /* Create a csect aux. */ | |
4966 | i = S_GET_NUMBER_AUXILIARY (sym); | |
4967 | S_SET_NUMBER_AUXILIARY (sym, i + 1); | |
809ffe0d ILT |
4968 | a = &coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].u.auxent; |
4969 | if (symbol_get_tc (sym)->class == XMC_TC0) | |
252b5132 RH |
4970 | { |
4971 | /* This is the TOC table. */ | |
4972 | know (strcmp (S_GET_NAME (sym), "TOC") == 0); | |
4973 | a->x_csect.x_scnlen.l = 0; | |
4974 | a->x_csect.x_smtyp = (2 << 3) | XTY_SD; | |
4975 | } | |
809ffe0d | 4976 | else if (symbol_get_tc (sym)->subseg != 0) |
252b5132 RH |
4977 | { |
4978 | /* This is a csect symbol. x_scnlen is the size of the | |
4979 | csect. */ | |
809ffe0d | 4980 | if (symbol_get_tc (sym)->next == (symbolS *) NULL) |
252b5132 RH |
4981 | a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput, |
4982 | S_GET_SEGMENT (sym)) | |
4983 | - S_GET_VALUE (sym)); | |
4984 | else | |
4985 | { | |
6386f3a7 | 4986 | resolve_symbol_value (symbol_get_tc (sym)->next); |
809ffe0d | 4987 | a->x_csect.x_scnlen.l = (S_GET_VALUE (symbol_get_tc (sym)->next) |
252b5132 RH |
4988 | - S_GET_VALUE (sym)); |
4989 | } | |
809ffe0d | 4990 | a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_SD; |
252b5132 RH |
4991 | } |
4992 | else if (S_GET_SEGMENT (sym) == bss_section) | |
4993 | { | |
4994 | /* This is a common symbol. */ | |
809ffe0d ILT |
4995 | a->x_csect.x_scnlen.l = symbol_get_frag (sym)->fr_offset; |
4996 | a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_CM; | |
252b5132 | 4997 | if (S_IS_EXTERNAL (sym)) |
809ffe0d | 4998 | symbol_get_tc (sym)->class = XMC_RW; |
252b5132 | 4999 | else |
809ffe0d | 5000 | symbol_get_tc (sym)->class = XMC_BS; |
252b5132 RH |
5001 | } |
5002 | else if (S_GET_SEGMENT (sym) == absolute_section) | |
5003 | { | |
5004 | /* This is an absolute symbol. The csect will be created by | |
99a814a1 | 5005 | ppc_adjust_symtab. */ |
b34976b6 | 5006 | ppc_saw_abs = TRUE; |
252b5132 | 5007 | a->x_csect.x_smtyp = XTY_LD; |
809ffe0d ILT |
5008 | if (symbol_get_tc (sym)->class == -1) |
5009 | symbol_get_tc (sym)->class = XMC_XO; | |
252b5132 RH |
5010 | } |
5011 | else if (! S_IS_DEFINED (sym)) | |
5012 | { | |
5013 | /* This is an external symbol. */ | |
5014 | a->x_csect.x_scnlen.l = 0; | |
5015 | a->x_csect.x_smtyp = XTY_ER; | |
5016 | } | |
809ffe0d | 5017 | else if (symbol_get_tc (sym)->class == XMC_TC) |
252b5132 RH |
5018 | { |
5019 | symbolS *next; | |
5020 | ||
5021 | /* This is a TOC definition. x_scnlen is the size of the | |
5022 | TOC entry. */ | |
5023 | next = symbol_next (sym); | |
809ffe0d | 5024 | while (symbol_get_tc (next)->class == XMC_TC0) |
252b5132 RH |
5025 | next = symbol_next (next); |
5026 | if (next == (symbolS *) NULL | |
809ffe0d | 5027 | || symbol_get_tc (next)->class != XMC_TC) |
252b5132 RH |
5028 | { |
5029 | if (ppc_after_toc_frag == (fragS *) NULL) | |
5030 | a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput, | |
5031 | data_section) | |
5032 | - S_GET_VALUE (sym)); | |
5033 | else | |
5034 | a->x_csect.x_scnlen.l = (ppc_after_toc_frag->fr_address | |
5035 | - S_GET_VALUE (sym)); | |
5036 | } | |
5037 | else | |
5038 | { | |
6386f3a7 | 5039 | resolve_symbol_value (next); |
252b5132 RH |
5040 | a->x_csect.x_scnlen.l = (S_GET_VALUE (next) |
5041 | - S_GET_VALUE (sym)); | |
5042 | } | |
5043 | a->x_csect.x_smtyp = (2 << 3) | XTY_SD; | |
5044 | } | |
5045 | else | |
5046 | { | |
5047 | symbolS *csect; | |
5048 | ||
5049 | /* This is a normal symbol definition. x_scnlen is the | |
5050 | symbol index of the containing csect. */ | |
5051 | if (S_GET_SEGMENT (sym) == text_section) | |
5052 | csect = ppc_text_csects; | |
5053 | else if (S_GET_SEGMENT (sym) == data_section) | |
5054 | csect = ppc_data_csects; | |
5055 | else | |
5056 | abort (); | |
5057 | ||
5058 | /* Skip the initial dummy symbol. */ | |
809ffe0d | 5059 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
5060 | |
5061 | if (csect == (symbolS *) NULL) | |
5062 | { | |
5063 | as_warn (_("warning: symbol %s has no csect"), S_GET_NAME (sym)); | |
5064 | a->x_csect.x_scnlen.l = 0; | |
5065 | } | |
5066 | else | |
5067 | { | |
809ffe0d | 5068 | while (symbol_get_tc (csect)->next != (symbolS *) NULL) |
252b5132 | 5069 | { |
6386f3a7 | 5070 | resolve_symbol_value (symbol_get_tc (csect)->next); |
809ffe0d ILT |
5071 | if (S_GET_VALUE (symbol_get_tc (csect)->next) |
5072 | > S_GET_VALUE (sym)) | |
252b5132 | 5073 | break; |
809ffe0d | 5074 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
5075 | } |
5076 | ||
809ffe0d ILT |
5077 | a->x_csect.x_scnlen.p = |
5078 | coffsymbol (symbol_get_bfdsym (csect))->native; | |
5079 | coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].fix_scnlen = | |
5080 | 1; | |
252b5132 RH |
5081 | } |
5082 | a->x_csect.x_smtyp = XTY_LD; | |
5083 | } | |
81d4177b | 5084 | |
252b5132 RH |
5085 | a->x_csect.x_parmhash = 0; |
5086 | a->x_csect.x_snhash = 0; | |
809ffe0d | 5087 | if (symbol_get_tc (sym)->class == -1) |
252b5132 RH |
5088 | a->x_csect.x_smclas = XMC_PR; |
5089 | else | |
809ffe0d | 5090 | a->x_csect.x_smclas = symbol_get_tc (sym)->class; |
252b5132 RH |
5091 | a->x_csect.x_stab = 0; |
5092 | a->x_csect.x_snstab = 0; | |
5093 | ||
5094 | /* Don't let the COFF backend resort these symbols. */ | |
809ffe0d | 5095 | symbol_get_bfdsym (sym)->flags |= BSF_NOT_AT_END; |
252b5132 RH |
5096 | } |
5097 | else if (S_GET_STORAGE_CLASS (sym) == C_BSTAT) | |
5098 | { | |
5099 | /* We want the value to be the symbol index of the referenced | |
5100 | csect symbol. BFD will do that for us if we set the right | |
5101 | flags. */ | |
b782de16 AM |
5102 | asymbol *bsym = symbol_get_bfdsym (symbol_get_tc (sym)->within); |
5103 | combined_entry_type *c = coffsymbol (bsym)->native; | |
5104 | ||
5105 | S_SET_VALUE (sym, (valueT) (size_t) c); | |
809ffe0d | 5106 | coffsymbol (symbol_get_bfdsym (sym))->native->fix_value = 1; |
252b5132 RH |
5107 | } |
5108 | else if (S_GET_STORAGE_CLASS (sym) == C_STSYM) | |
5109 | { | |
5110 | symbolS *block; | |
5111 | symbolS *csect; | |
5112 | ||
5113 | /* The value is the offset from the enclosing csect. */ | |
809ffe0d ILT |
5114 | block = symbol_get_tc (sym)->within; |
5115 | csect = symbol_get_tc (block)->within; | |
6386f3a7 | 5116 | resolve_symbol_value (csect); |
252b5132 RH |
5117 | S_SET_VALUE (sym, S_GET_VALUE (sym) - S_GET_VALUE (csect)); |
5118 | } | |
5119 | else if (S_GET_STORAGE_CLASS (sym) == C_BINCL | |
5120 | || S_GET_STORAGE_CLASS (sym) == C_EINCL) | |
5121 | { | |
5122 | /* We want the value to be a file offset into the line numbers. | |
99a814a1 AM |
5123 | BFD will do that for us if we set the right flags. We have |
5124 | already set the value correctly. */ | |
809ffe0d | 5125 | coffsymbol (symbol_get_bfdsym (sym))->native->fix_line = 1; |
252b5132 RH |
5126 | } |
5127 | ||
5128 | return 0; | |
5129 | } | |
5130 | ||
5131 | /* Adjust the symbol table. This creates csect symbols for all | |
5132 | absolute symbols. */ | |
5133 | ||
5134 | void | |
5135 | ppc_adjust_symtab () | |
5136 | { | |
5137 | symbolS *sym; | |
5138 | ||
5139 | if (! ppc_saw_abs) | |
5140 | return; | |
5141 | ||
5142 | for (sym = symbol_rootP; sym != NULL; sym = symbol_next (sym)) | |
5143 | { | |
5144 | symbolS *csect; | |
5145 | int i; | |
5146 | union internal_auxent *a; | |
5147 | ||
5148 | if (S_GET_SEGMENT (sym) != absolute_section) | |
5149 | continue; | |
5150 | ||
5151 | csect = symbol_create (".abs[XO]", absolute_section, | |
5152 | S_GET_VALUE (sym), &zero_address_frag); | |
809ffe0d | 5153 | symbol_get_bfdsym (csect)->value = S_GET_VALUE (sym); |
252b5132 RH |
5154 | S_SET_STORAGE_CLASS (csect, C_HIDEXT); |
5155 | i = S_GET_NUMBER_AUXILIARY (csect); | |
5156 | S_SET_NUMBER_AUXILIARY (csect, i + 1); | |
809ffe0d | 5157 | a = &coffsymbol (symbol_get_bfdsym (csect))->native[i + 1].u.auxent; |
252b5132 RH |
5158 | a->x_csect.x_scnlen.l = 0; |
5159 | a->x_csect.x_smtyp = XTY_SD; | |
5160 | a->x_csect.x_parmhash = 0; | |
5161 | a->x_csect.x_snhash = 0; | |
5162 | a->x_csect.x_smclas = XMC_XO; | |
5163 | a->x_csect.x_stab = 0; | |
5164 | a->x_csect.x_snstab = 0; | |
5165 | ||
5166 | symbol_insert (csect, sym, &symbol_rootP, &symbol_lastP); | |
5167 | ||
5168 | i = S_GET_NUMBER_AUXILIARY (sym); | |
809ffe0d ILT |
5169 | a = &coffsymbol (symbol_get_bfdsym (sym))->native[i].u.auxent; |
5170 | a->x_csect.x_scnlen.p = coffsymbol (symbol_get_bfdsym (csect))->native; | |
5171 | coffsymbol (symbol_get_bfdsym (sym))->native[i].fix_scnlen = 1; | |
252b5132 RH |
5172 | } |
5173 | ||
b34976b6 | 5174 | ppc_saw_abs = FALSE; |
252b5132 RH |
5175 | } |
5176 | ||
5177 | /* Set the VMA for a section. This is called on all the sections in | |
5178 | turn. */ | |
5179 | ||
5180 | void | |
5181 | ppc_frob_section (sec) | |
5182 | asection *sec; | |
5183 | { | |
931e13a6 | 5184 | static bfd_vma vma = 0; |
252b5132 | 5185 | |
931e13a6 | 5186 | vma = md_section_align (sec, vma); |
252b5132 RH |
5187 | bfd_set_section_vma (stdoutput, sec, vma); |
5188 | vma += bfd_section_size (stdoutput, sec); | |
5189 | } | |
5190 | ||
5191 | #endif /* OBJ_XCOFF */ | |
5192 | \f | |
5193 | /* Turn a string in input_line_pointer into a floating point constant | |
bc0d738a NC |
5194 | of type TYPE, and store the appropriate bytes in *LITP. The number |
5195 | of LITTLENUMS emitted is stored in *SIZEP. An error message is | |
252b5132 RH |
5196 | returned, or NULL on OK. */ |
5197 | ||
5198 | char * | |
5199 | md_atof (type, litp, sizep) | |
5200 | int type; | |
5201 | char *litp; | |
5202 | int *sizep; | |
5203 | { | |
5204 | int prec; | |
5205 | LITTLENUM_TYPE words[4]; | |
5206 | char *t; | |
5207 | int i; | |
5208 | ||
5209 | switch (type) | |
5210 | { | |
5211 | case 'f': | |
5212 | prec = 2; | |
5213 | break; | |
5214 | ||
5215 | case 'd': | |
5216 | prec = 4; | |
5217 | break; | |
5218 | ||
5219 | default: | |
5220 | *sizep = 0; | |
5221 | return _("bad call to md_atof"); | |
5222 | } | |
5223 | ||
5224 | t = atof_ieee (input_line_pointer, type, words); | |
5225 | if (t) | |
5226 | input_line_pointer = t; | |
5227 | ||
5228 | *sizep = prec * 2; | |
5229 | ||
5230 | if (target_big_endian) | |
5231 | { | |
5232 | for (i = 0; i < prec; i++) | |
5233 | { | |
5234 | md_number_to_chars (litp, (valueT) words[i], 2); | |
5235 | litp += 2; | |
5236 | } | |
5237 | } | |
5238 | else | |
5239 | { | |
5240 | for (i = prec - 1; i >= 0; i--) | |
5241 | { | |
5242 | md_number_to_chars (litp, (valueT) words[i], 2); | |
5243 | litp += 2; | |
5244 | } | |
5245 | } | |
81d4177b | 5246 | |
252b5132 RH |
5247 | return NULL; |
5248 | } | |
5249 | ||
5250 | /* Write a value out to the object file, using the appropriate | |
5251 | endianness. */ | |
5252 | ||
5253 | void | |
5254 | md_number_to_chars (buf, val, n) | |
5255 | char *buf; | |
5256 | valueT val; | |
5257 | int n; | |
5258 | { | |
5259 | if (target_big_endian) | |
5260 | number_to_chars_bigendian (buf, val, n); | |
5261 | else | |
5262 | number_to_chars_littleendian (buf, val, n); | |
5263 | } | |
5264 | ||
5265 | /* Align a section (I don't know why this is machine dependent). */ | |
5266 | ||
5267 | valueT | |
5268 | md_section_align (seg, addr) | |
5269 | asection *seg; | |
5270 | valueT addr; | |
5271 | { | |
5272 | int align = bfd_get_section_alignment (stdoutput, seg); | |
5273 | ||
5274 | return ((addr + (1 << align) - 1) & (-1 << align)); | |
5275 | } | |
5276 | ||
5277 | /* We don't have any form of relaxing. */ | |
5278 | ||
5279 | int | |
5280 | md_estimate_size_before_relax (fragp, seg) | |
92161534 ILT |
5281 | fragS *fragp ATTRIBUTE_UNUSED; |
5282 | asection *seg ATTRIBUTE_UNUSED; | |
252b5132 RH |
5283 | { |
5284 | abort (); | |
5285 | return 0; | |
5286 | } | |
5287 | ||
5288 | /* Convert a machine dependent frag. We never generate these. */ | |
5289 | ||
5290 | void | |
5291 | md_convert_frag (abfd, sec, fragp) | |
92161534 ILT |
5292 | bfd *abfd ATTRIBUTE_UNUSED; |
5293 | asection *sec ATTRIBUTE_UNUSED; | |
5294 | fragS *fragp ATTRIBUTE_UNUSED; | |
252b5132 RH |
5295 | { |
5296 | abort (); | |
5297 | } | |
5298 | ||
5299 | /* We have no need to default values of symbols. */ | |
5300 | ||
252b5132 RH |
5301 | symbolS * |
5302 | md_undefined_symbol (name) | |
92161534 | 5303 | char *name ATTRIBUTE_UNUSED; |
252b5132 RH |
5304 | { |
5305 | return 0; | |
5306 | } | |
5307 | \f | |
5308 | /* Functions concerning relocs. */ | |
5309 | ||
5310 | /* The location from which a PC relative jump should be calculated, | |
5311 | given a PC relative reloc. */ | |
5312 | ||
5313 | long | |
5314 | md_pcrel_from_section (fixp, sec) | |
5315 | fixS *fixp; | |
92161534 | 5316 | segT sec ATTRIBUTE_UNUSED; |
252b5132 RH |
5317 | { |
5318 | return fixp->fx_frag->fr_address + fixp->fx_where; | |
5319 | } | |
5320 | ||
5321 | #ifdef OBJ_XCOFF | |
5322 | ||
5323 | /* This is called to see whether a fixup should be adjusted to use a | |
5324 | section symbol. We take the opportunity to change a fixup against | |
5325 | a symbol in the TOC subsegment into a reloc against the | |
5326 | corresponding .tc symbol. */ | |
5327 | ||
5328 | int | |
5329 | ppc_fix_adjustable (fix) | |
5330 | fixS *fix; | |
5331 | { | |
b782de16 AM |
5332 | valueT val = resolve_symbol_value (fix->fx_addsy); |
5333 | segT symseg = S_GET_SEGMENT (fix->fx_addsy); | |
5334 | TC_SYMFIELD_TYPE *tc; | |
5335 | ||
5336 | if (symseg == absolute_section) | |
5337 | return 0; | |
252b5132 | 5338 | |
252b5132 | 5339 | if (ppc_toc_csect != (symbolS *) NULL |
252b5132 | 5340 | && fix->fx_addsy != ppc_toc_csect |
b782de16 | 5341 | && symseg == data_section |
252b5132 RH |
5342 | && val >= ppc_toc_frag->fr_address |
5343 | && (ppc_after_toc_frag == (fragS *) NULL | |
5344 | || val < ppc_after_toc_frag->fr_address)) | |
5345 | { | |
5346 | symbolS *sy; | |
5347 | ||
5348 | for (sy = symbol_next (ppc_toc_csect); | |
5349 | sy != (symbolS *) NULL; | |
5350 | sy = symbol_next (sy)) | |
5351 | { | |
b782de16 AM |
5352 | TC_SYMFIELD_TYPE *sy_tc = symbol_get_tc (sy); |
5353 | ||
5354 | if (sy_tc->class == XMC_TC0) | |
252b5132 | 5355 | continue; |
b782de16 | 5356 | if (sy_tc->class != XMC_TC) |
252b5132 | 5357 | break; |
b782de16 | 5358 | if (val == resolve_symbol_value (sy)) |
252b5132 RH |
5359 | { |
5360 | fix->fx_addsy = sy; | |
5361 | fix->fx_addnumber = val - ppc_toc_frag->fr_address; | |
5362 | return 0; | |
5363 | } | |
5364 | } | |
5365 | ||
5366 | as_bad_where (fix->fx_file, fix->fx_line, | |
5367 | _("symbol in .toc does not match any .tc")); | |
5368 | } | |
5369 | ||
5370 | /* Possibly adjust the reloc to be against the csect. */ | |
b782de16 AM |
5371 | tc = symbol_get_tc (fix->fx_addsy); |
5372 | if (tc->subseg == 0 | |
5373 | && tc->class != XMC_TC0 | |
5374 | && tc->class != XMC_TC | |
5375 | && symseg != bss_section | |
252b5132 | 5376 | /* Don't adjust if this is a reloc in the toc section. */ |
b782de16 | 5377 | && (symseg != data_section |
252b5132 RH |
5378 | || ppc_toc_csect == NULL |
5379 | || val < ppc_toc_frag->fr_address | |
5380 | || (ppc_after_toc_frag != NULL | |
5381 | && val >= ppc_after_toc_frag->fr_address))) | |
5382 | { | |
5383 | symbolS *csect; | |
b782de16 | 5384 | symbolS *next_csect; |
252b5132 | 5385 | |
b782de16 | 5386 | if (symseg == text_section) |
252b5132 | 5387 | csect = ppc_text_csects; |
b782de16 | 5388 | else if (symseg == data_section) |
252b5132 RH |
5389 | csect = ppc_data_csects; |
5390 | else | |
5391 | abort (); | |
5392 | ||
5393 | /* Skip the initial dummy symbol. */ | |
809ffe0d | 5394 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
5395 | |
5396 | if (csect != (symbolS *) NULL) | |
5397 | { | |
b782de16 AM |
5398 | while ((next_csect = symbol_get_tc (csect)->next) != (symbolS *) NULL |
5399 | && (symbol_get_frag (next_csect)->fr_address <= val)) | |
252b5132 RH |
5400 | { |
5401 | /* If the csect address equals the symbol value, then we | |
99a814a1 AM |
5402 | have to look through the full symbol table to see |
5403 | whether this is the csect we want. Note that we will | |
5404 | only get here if the csect has zero length. */ | |
b782de16 AM |
5405 | if (symbol_get_frag (csect)->fr_address == val |
5406 | && S_GET_VALUE (csect) == val) | |
252b5132 RH |
5407 | { |
5408 | symbolS *scan; | |
5409 | ||
809ffe0d | 5410 | for (scan = symbol_next (csect); |
252b5132 | 5411 | scan != NULL; |
809ffe0d | 5412 | scan = symbol_next (scan)) |
252b5132 | 5413 | { |
809ffe0d | 5414 | if (symbol_get_tc (scan)->subseg != 0) |
252b5132 RH |
5415 | break; |
5416 | if (scan == fix->fx_addsy) | |
5417 | break; | |
5418 | } | |
5419 | ||
5420 | /* If we found the symbol before the next csect | |
99a814a1 | 5421 | symbol, then this is the csect we want. */ |
252b5132 RH |
5422 | if (scan == fix->fx_addsy) |
5423 | break; | |
5424 | } | |
5425 | ||
b782de16 | 5426 | csect = next_csect; |
252b5132 RH |
5427 | } |
5428 | ||
b782de16 | 5429 | fix->fx_offset += val - symbol_get_frag (csect)->fr_address; |
252b5132 RH |
5430 | fix->fx_addsy = csect; |
5431 | } | |
b782de16 | 5432 | return 0; |
252b5132 RH |
5433 | } |
5434 | ||
5435 | /* Adjust a reloc against a .lcomm symbol to be against the base | |
5436 | .lcomm. */ | |
b782de16 | 5437 | if (symseg == bss_section |
252b5132 RH |
5438 | && ! S_IS_EXTERNAL (fix->fx_addsy)) |
5439 | { | |
b782de16 AM |
5440 | symbolS *sy = symbol_get_frag (fix->fx_addsy)->fr_symbol; |
5441 | ||
5442 | fix->fx_offset += val - resolve_symbol_value (sy); | |
5443 | fix->fx_addsy = sy; | |
252b5132 RH |
5444 | } |
5445 | ||
5446 | return 0; | |
5447 | } | |
5448 | ||
5449 | /* A reloc from one csect to another must be kept. The assembler | |
5450 | will, of course, keep relocs between sections, and it will keep | |
5451 | absolute relocs, but we need to force it to keep PC relative relocs | |
5452 | between two csects in the same section. */ | |
5453 | ||
5454 | int | |
5455 | ppc_force_relocation (fix) | |
5456 | fixS *fix; | |
5457 | { | |
5458 | /* At this point fix->fx_addsy should already have been converted to | |
5459 | a csect symbol. If the csect does not include the fragment, then | |
5460 | we need to force the relocation. */ | |
5461 | if (fix->fx_pcrel | |
5462 | && fix->fx_addsy != NULL | |
809ffe0d ILT |
5463 | && symbol_get_tc (fix->fx_addsy)->subseg != 0 |
5464 | && ((symbol_get_frag (fix->fx_addsy)->fr_address | |
5465 | > fix->fx_frag->fr_address) | |
5466 | || (symbol_get_tc (fix->fx_addsy)->next != NULL | |
5467 | && (symbol_get_frag (symbol_get_tc (fix->fx_addsy)->next)->fr_address | |
252b5132 RH |
5468 | <= fix->fx_frag->fr_address)))) |
5469 | return 1; | |
5470 | ||
ae6063d4 | 5471 | return generic_force_reloc (fix); |
252b5132 RH |
5472 | } |
5473 | ||
5474 | #endif /* OBJ_XCOFF */ | |
5475 | ||
0baf16f2 | 5476 | #ifdef OBJ_ELF |
a161fe53 AM |
5477 | /* If this function returns non-zero, it guarantees that a relocation |
5478 | will be emitted for a fixup. */ | |
5479 | ||
5480 | int | |
5481 | ppc_force_relocation (fix) | |
5482 | fixS *fix; | |
5483 | { | |
5484 | /* Branch prediction relocations must force a relocation, as must | |
5485 | the vtable description relocs. */ | |
5486 | switch (fix->fx_r_type) | |
5487 | { | |
5488 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
5489 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
5490 | case BFD_RELOC_PPC_BA16_BRTAKEN: | |
5491 | case BFD_RELOC_PPC_BA16_BRNTAKEN: | |
c744ecf2 | 5492 | case BFD_RELOC_24_PLT_PCREL: |
a161fe53 | 5493 | case BFD_RELOC_PPC64_TOC: |
a161fe53 AM |
5494 | return 1; |
5495 | default: | |
5496 | break; | |
5497 | } | |
5498 | ||
cdba85ec AM |
5499 | if (fix->fx_r_type >= BFD_RELOC_PPC_TLS |
5500 | && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA) | |
5501 | return 1; | |
5502 | ||
ae6063d4 | 5503 | return generic_force_reloc (fix); |
a161fe53 AM |
5504 | } |
5505 | ||
0baf16f2 AM |
5506 | int |
5507 | ppc_fix_adjustable (fix) | |
5508 | fixS *fix; | |
252b5132 | 5509 | { |
0baf16f2 AM |
5510 | return (fix->fx_r_type != BFD_RELOC_16_GOTOFF |
5511 | && fix->fx_r_type != BFD_RELOC_LO16_GOTOFF | |
5512 | && fix->fx_r_type != BFD_RELOC_HI16_GOTOFF | |
5513 | && fix->fx_r_type != BFD_RELOC_HI16_S_GOTOFF | |
5514 | && fix->fx_r_type != BFD_RELOC_GPREL16 | |
5515 | && fix->fx_r_type != BFD_RELOC_VTABLE_INHERIT | |
5516 | && fix->fx_r_type != BFD_RELOC_VTABLE_ENTRY | |
cdba85ec | 5517 | && !(fix->fx_r_type >= BFD_RELOC_PPC_TLS |
ab1e9ef7 | 5518 | && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA)); |
252b5132 | 5519 | } |
0baf16f2 | 5520 | #endif |
252b5132 RH |
5521 | |
5522 | /* Apply a fixup to the object code. This is called for all the | |
5523 | fixups we generated by the call to fix_new_exp, above. In the call | |
5524 | above we used a reloc code which was the largest legal reloc code | |
5525 | plus the operand index. Here we undo that to recover the operand | |
5526 | index. At this point all symbol values should be fully resolved, | |
5527 | and we attempt to completely resolve the reloc. If we can not do | |
5528 | that, we determine the correct reloc code and put it back in the | |
5529 | fixup. */ | |
5530 | ||
94f592af | 5531 | void |
55cf6793 | 5532 | md_apply_fix (fixP, valP, seg) |
94f592af NC |
5533 | fixS *fixP; |
5534 | valueT * valP; | |
0baf16f2 | 5535 | segT seg ATTRIBUTE_UNUSED; |
252b5132 | 5536 | { |
94f592af | 5537 | valueT value = * valP; |
252b5132 RH |
5538 | |
5539 | #ifdef OBJ_ELF | |
94f592af | 5540 | if (fixP->fx_addsy != NULL) |
252b5132 | 5541 | { |
a161fe53 | 5542 | /* Hack around bfd_install_relocation brain damage. */ |
94f592af NC |
5543 | if (fixP->fx_pcrel) |
5544 | value += fixP->fx_frag->fr_address + fixP->fx_where; | |
252b5132 RH |
5545 | } |
5546 | else | |
94f592af | 5547 | fixP->fx_done = 1; |
252b5132 | 5548 | #else |
a161fe53 | 5549 | /* FIXME FIXME FIXME: The value we are passed in *valP includes |
7be1c489 AM |
5550 | the symbol values. If we are doing this relocation the code in |
5551 | write.c is going to call bfd_install_relocation, which is also | |
5552 | going to use the symbol value. That means that if the reloc is | |
5553 | fully resolved we want to use *valP since bfd_install_relocation is | |
5554 | not being used. | |
252b5132 | 5555 | However, if the reloc is not fully resolved we do not want to use |
a161fe53 AM |
5556 | *valP, and must use fx_offset instead. However, if the reloc |
5557 | is PC relative, we do want to use *valP since it includes the | |
252b5132 | 5558 | result of md_pcrel_from. This is confusing. */ |
94f592af NC |
5559 | if (fixP->fx_addsy == (symbolS *) NULL) |
5560 | fixP->fx_done = 1; | |
5561 | ||
5562 | else if (fixP->fx_pcrel) | |
5563 | ; | |
5564 | ||
252b5132 | 5565 | else |
a161fe53 AM |
5566 | value = fixP->fx_offset; |
5567 | #endif | |
5568 | ||
5569 | if (fixP->fx_subsy != (symbolS *) NULL) | |
252b5132 | 5570 | { |
a161fe53 AM |
5571 | /* We can't actually support subtracting a symbol. */ |
5572 | as_bad_where (fixP->fx_file, fixP->fx_line, _("expression too complex")); | |
252b5132 | 5573 | } |
252b5132 | 5574 | |
94f592af | 5575 | if ((int) fixP->fx_r_type >= (int) BFD_RELOC_UNUSED) |
252b5132 RH |
5576 | { |
5577 | int opindex; | |
5578 | const struct powerpc_operand *operand; | |
5579 | char *where; | |
5580 | unsigned long insn; | |
5581 | ||
94f592af | 5582 | opindex = (int) fixP->fx_r_type - (int) BFD_RELOC_UNUSED; |
252b5132 RH |
5583 | |
5584 | operand = &powerpc_operands[opindex]; | |
5585 | ||
5586 | #ifdef OBJ_XCOFF | |
0baf16f2 AM |
5587 | /* An instruction like `lwz 9,sym(30)' when `sym' is not a TOC symbol |
5588 | does not generate a reloc. It uses the offset of `sym' within its | |
5589 | csect. Other usages, such as `.long sym', generate relocs. This | |
5590 | is the documented behaviour of non-TOC symbols. */ | |
252b5132 RH |
5591 | if ((operand->flags & PPC_OPERAND_PARENS) != 0 |
5592 | && operand->bits == 16 | |
5593 | && operand->shift == 0 | |
2b3c4602 | 5594 | && (operand->insert == NULL || ppc_obj64) |
94f592af NC |
5595 | && fixP->fx_addsy != NULL |
5596 | && symbol_get_tc (fixP->fx_addsy)->subseg != 0 | |
5597 | && symbol_get_tc (fixP->fx_addsy)->class != XMC_TC | |
5598 | && symbol_get_tc (fixP->fx_addsy)->class != XMC_TC0 | |
5599 | && S_GET_SEGMENT (fixP->fx_addsy) != bss_section) | |
252b5132 | 5600 | { |
94f592af NC |
5601 | value = fixP->fx_offset; |
5602 | fixP->fx_done = 1; | |
252b5132 RH |
5603 | } |
5604 | #endif | |
5605 | ||
5606 | /* Fetch the instruction, insert the fully resolved operand | |
5607 | value, and stuff the instruction back again. */ | |
94f592af | 5608 | where = fixP->fx_frag->fr_literal + fixP->fx_where; |
252b5132 RH |
5609 | if (target_big_endian) |
5610 | insn = bfd_getb32 ((unsigned char *) where); | |
5611 | else | |
5612 | insn = bfd_getl32 ((unsigned char *) where); | |
5613 | insn = ppc_insert_operand (insn, operand, (offsetT) value, | |
94f592af | 5614 | fixP->fx_file, fixP->fx_line); |
252b5132 RH |
5615 | if (target_big_endian) |
5616 | bfd_putb32 ((bfd_vma) insn, (unsigned char *) where); | |
5617 | else | |
5618 | bfd_putl32 ((bfd_vma) insn, (unsigned char *) where); | |
5619 | ||
94f592af NC |
5620 | if (fixP->fx_done) |
5621 | /* Nothing else to do here. */ | |
5622 | return; | |
252b5132 | 5623 | |
94f592af | 5624 | assert (fixP->fx_addsy != NULL); |
0baf16f2 | 5625 | |
252b5132 RH |
5626 | /* Determine a BFD reloc value based on the operand information. |
5627 | We are only prepared to turn a few of the operands into | |
0baf16f2 | 5628 | relocs. */ |
11b37b7b AM |
5629 | if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 |
5630 | && operand->bits == 26 | |
5631 | && operand->shift == 0) | |
94f592af | 5632 | fixP->fx_r_type = BFD_RELOC_PPC_B26; |
11b37b7b AM |
5633 | else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 |
5634 | && operand->bits == 16 | |
5635 | && operand->shift == 0) | |
95210096 AM |
5636 | { |
5637 | fixP->fx_r_type = BFD_RELOC_PPC_B16; | |
5638 | #ifdef OBJ_XCOFF | |
5639 | fixP->fx_size = 2; | |
5640 | if (target_big_endian) | |
5641 | fixP->fx_where += 2; | |
5642 | #endif | |
5643 | } | |
11b37b7b AM |
5644 | else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0 |
5645 | && operand->bits == 26 | |
5646 | && operand->shift == 0) | |
94f592af | 5647 | fixP->fx_r_type = BFD_RELOC_PPC_BA26; |
11b37b7b AM |
5648 | else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0 |
5649 | && operand->bits == 16 | |
5650 | && operand->shift == 0) | |
95210096 AM |
5651 | { |
5652 | fixP->fx_r_type = BFD_RELOC_PPC_BA16; | |
5653 | #ifdef OBJ_XCOFF | |
5654 | fixP->fx_size = 2; | |
5655 | if (target_big_endian) | |
5656 | fixP->fx_where += 2; | |
5657 | #endif | |
5658 | } | |
0baf16f2 | 5659 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
11b37b7b AM |
5660 | else if ((operand->flags & PPC_OPERAND_PARENS) != 0 |
5661 | && operand->bits == 16 | |
a7fc733f | 5662 | && operand->shift == 0) |
11b37b7b | 5663 | { |
a7fc733f AM |
5664 | if (ppc_is_toc_sym (fixP->fx_addsy)) |
5665 | { | |
5666 | fixP->fx_r_type = BFD_RELOC_PPC_TOC16; | |
0baf16f2 | 5667 | #ifdef OBJ_ELF |
a7fc733f AM |
5668 | if (ppc_obj64 |
5669 | && (operand->flags & PPC_OPERAND_DS) != 0) | |
5670 | fixP->fx_r_type = BFD_RELOC_PPC64_TOC16_DS; | |
5671 | #endif | |
5672 | } | |
5673 | else | |
5674 | { | |
5675 | fixP->fx_r_type = BFD_RELOC_16; | |
5676 | #ifdef OBJ_ELF | |
5677 | if (ppc_obj64 | |
5678 | && (operand->flags & PPC_OPERAND_DS) != 0) | |
5679 | fixP->fx_r_type = BFD_RELOC_PPC64_ADDR16_DS; | |
0baf16f2 | 5680 | #endif |
a7fc733f | 5681 | } |
94f592af | 5682 | fixP->fx_size = 2; |
11b37b7b | 5683 | if (target_big_endian) |
94f592af | 5684 | fixP->fx_where += 2; |
11b37b7b | 5685 | } |
0baf16f2 | 5686 | #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */ |
11b37b7b | 5687 | else |
252b5132 RH |
5688 | { |
5689 | char *sfile; | |
5690 | unsigned int sline; | |
5691 | ||
5692 | /* Use expr_symbol_where to see if this is an expression | |
0baf16f2 | 5693 | symbol. */ |
94f592af NC |
5694 | if (expr_symbol_where (fixP->fx_addsy, &sfile, &sline)) |
5695 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
252b5132 RH |
5696 | _("unresolved expression that must be resolved")); |
5697 | else | |
94f592af | 5698 | as_bad_where (fixP->fx_file, fixP->fx_line, |
0baf16f2 | 5699 | _("unsupported relocation against %s"), |
94f592af NC |
5700 | S_GET_NAME (fixP->fx_addsy)); |
5701 | fixP->fx_done = 1; | |
5702 | return; | |
252b5132 RH |
5703 | } |
5704 | } | |
5705 | else | |
5706 | { | |
5707 | #ifdef OBJ_ELF | |
94f592af | 5708 | ppc_elf_validate_fix (fixP, seg); |
252b5132 | 5709 | #endif |
94f592af | 5710 | switch (fixP->fx_r_type) |
252b5132 | 5711 | { |
252b5132 | 5712 | case BFD_RELOC_CTOR: |
2b3c4602 | 5713 | if (ppc_obj64) |
9c7977b3 AM |
5714 | goto ctor64; |
5715 | /* fall through */ | |
5716 | ||
0baf16f2 | 5717 | case BFD_RELOC_32: |
94f592af NC |
5718 | if (fixP->fx_pcrel) |
5719 | fixP->fx_r_type = BFD_RELOC_32_PCREL; | |
99a814a1 | 5720 | /* fall through */ |
252b5132 RH |
5721 | |
5722 | case BFD_RELOC_RVA: | |
5723 | case BFD_RELOC_32_PCREL: | |
252b5132 | 5724 | case BFD_RELOC_PPC_EMB_NADDR32: |
94f592af | 5725 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
252b5132 RH |
5726 | value, 4); |
5727 | break; | |
5728 | ||
7f6d05e8 | 5729 | case BFD_RELOC_64: |
9c7977b3 | 5730 | ctor64: |
94f592af NC |
5731 | if (fixP->fx_pcrel) |
5732 | fixP->fx_r_type = BFD_RELOC_64_PCREL; | |
99a814a1 | 5733 | /* fall through */ |
0baf16f2 | 5734 | |
7f6d05e8 | 5735 | case BFD_RELOC_64_PCREL: |
94f592af | 5736 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
7f6d05e8 | 5737 | value, 8); |
81d4177b | 5738 | break; |
0baf16f2 | 5739 | |
252b5132 RH |
5740 | case BFD_RELOC_GPREL16: |
5741 | case BFD_RELOC_16_GOT_PCREL: | |
5742 | case BFD_RELOC_16_GOTOFF: | |
5743 | case BFD_RELOC_LO16_GOTOFF: | |
5744 | case BFD_RELOC_HI16_GOTOFF: | |
5745 | case BFD_RELOC_HI16_S_GOTOFF: | |
1cfc59d5 | 5746 | case BFD_RELOC_16_BASEREL: |
252b5132 RH |
5747 | case BFD_RELOC_LO16_BASEREL: |
5748 | case BFD_RELOC_HI16_BASEREL: | |
5749 | case BFD_RELOC_HI16_S_BASEREL: | |
5750 | case BFD_RELOC_PPC_EMB_NADDR16: | |
5751 | case BFD_RELOC_PPC_EMB_NADDR16_LO: | |
5752 | case BFD_RELOC_PPC_EMB_NADDR16_HI: | |
5753 | case BFD_RELOC_PPC_EMB_NADDR16_HA: | |
5754 | case BFD_RELOC_PPC_EMB_SDAI16: | |
5755 | case BFD_RELOC_PPC_EMB_SDA2REL: | |
5756 | case BFD_RELOC_PPC_EMB_SDA2I16: | |
5757 | case BFD_RELOC_PPC_EMB_RELSEC16: | |
5758 | case BFD_RELOC_PPC_EMB_RELST_LO: | |
5759 | case BFD_RELOC_PPC_EMB_RELST_HI: | |
5760 | case BFD_RELOC_PPC_EMB_RELST_HA: | |
5761 | case BFD_RELOC_PPC_EMB_RELSDA: | |
5762 | case BFD_RELOC_PPC_TOC16: | |
0baf16f2 | 5763 | #ifdef OBJ_ELF |
0baf16f2 AM |
5764 | case BFD_RELOC_PPC64_TOC16_LO: |
5765 | case BFD_RELOC_PPC64_TOC16_HI: | |
5766 | case BFD_RELOC_PPC64_TOC16_HA: | |
0baf16f2 | 5767 | #endif |
94f592af | 5768 | if (fixP->fx_pcrel) |
252b5132 | 5769 | { |
94f592af NC |
5770 | if (fixP->fx_addsy != NULL) |
5771 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
252b5132 | 5772 | _("cannot emit PC relative %s relocation against %s"), |
94f592af NC |
5773 | bfd_get_reloc_code_name (fixP->fx_r_type), |
5774 | S_GET_NAME (fixP->fx_addsy)); | |
252b5132 | 5775 | else |
94f592af | 5776 | as_bad_where (fixP->fx_file, fixP->fx_line, |
252b5132 | 5777 | _("cannot emit PC relative %s relocation"), |
94f592af | 5778 | bfd_get_reloc_code_name (fixP->fx_r_type)); |
252b5132 RH |
5779 | } |
5780 | ||
94f592af | 5781 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
252b5132 RH |
5782 | value, 2); |
5783 | break; | |
5784 | ||
3c9d25f4 AM |
5785 | case BFD_RELOC_16: |
5786 | if (fixP->fx_pcrel) | |
5787 | fixP->fx_r_type = BFD_RELOC_16_PCREL; | |
5788 | /* fall through */ | |
5789 | ||
5790 | case BFD_RELOC_16_PCREL: | |
5791 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, | |
5792 | value, 2); | |
5793 | break; | |
5794 | ||
5795 | case BFD_RELOC_LO16: | |
5796 | if (fixP->fx_pcrel) | |
5797 | fixP->fx_r_type = BFD_RELOC_LO16_PCREL; | |
5798 | /* fall through */ | |
5799 | ||
5800 | case BFD_RELOC_LO16_PCREL: | |
5801 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, | |
5802 | value, 2); | |
5803 | break; | |
5804 | ||
252b5132 RH |
5805 | /* This case happens when you write, for example, |
5806 | lis %r3,(L1-L2)@ha | |
5807 | where L1 and L2 are defined later. */ | |
5808 | case BFD_RELOC_HI16: | |
94f592af | 5809 | if (fixP->fx_pcrel) |
3c9d25f4 AM |
5810 | fixP->fx_r_type = BFD_RELOC_HI16_PCREL; |
5811 | /* fall through */ | |
5812 | ||
5813 | case BFD_RELOC_HI16_PCREL: | |
94f592af | 5814 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 | 5815 | PPC_HI (value), 2); |
252b5132 | 5816 | break; |
0baf16f2 | 5817 | |
252b5132 | 5818 | case BFD_RELOC_HI16_S: |
94f592af | 5819 | if (fixP->fx_pcrel) |
3c9d25f4 AM |
5820 | fixP->fx_r_type = BFD_RELOC_HI16_S_PCREL; |
5821 | /* fall through */ | |
5822 | ||
5823 | case BFD_RELOC_HI16_S_PCREL: | |
94f592af | 5824 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
5825 | PPC_HA (value), 2); |
5826 | break; | |
5827 | ||
5828 | #ifdef OBJ_ELF | |
0baf16f2 | 5829 | case BFD_RELOC_PPC64_HIGHER: |
94f592af | 5830 | if (fixP->fx_pcrel) |
0baf16f2 | 5831 | abort (); |
94f592af | 5832 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 | 5833 | PPC_HIGHER (value), 2); |
252b5132 RH |
5834 | break; |
5835 | ||
0baf16f2 | 5836 | case BFD_RELOC_PPC64_HIGHER_S: |
94f592af | 5837 | if (fixP->fx_pcrel) |
0baf16f2 | 5838 | abort (); |
94f592af | 5839 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
5840 | PPC_HIGHERA (value), 2); |
5841 | break; | |
5842 | ||
5843 | case BFD_RELOC_PPC64_HIGHEST: | |
94f592af | 5844 | if (fixP->fx_pcrel) |
0baf16f2 | 5845 | abort (); |
94f592af | 5846 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
5847 | PPC_HIGHEST (value), 2); |
5848 | break; | |
5849 | ||
5850 | case BFD_RELOC_PPC64_HIGHEST_S: | |
94f592af | 5851 | if (fixP->fx_pcrel) |
0baf16f2 | 5852 | abort (); |
94f592af | 5853 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
5854 | PPC_HIGHESTA (value), 2); |
5855 | break; | |
5856 | ||
5857 | case BFD_RELOC_PPC64_ADDR16_DS: | |
5858 | case BFD_RELOC_PPC64_ADDR16_LO_DS: | |
5859 | case BFD_RELOC_PPC64_GOT16_DS: | |
5860 | case BFD_RELOC_PPC64_GOT16_LO_DS: | |
5861 | case BFD_RELOC_PPC64_PLT16_LO_DS: | |
5862 | case BFD_RELOC_PPC64_SECTOFF_DS: | |
5863 | case BFD_RELOC_PPC64_SECTOFF_LO_DS: | |
5864 | case BFD_RELOC_PPC64_TOC16_DS: | |
5865 | case BFD_RELOC_PPC64_TOC16_LO_DS: | |
5866 | case BFD_RELOC_PPC64_PLTGOT16_DS: | |
5867 | case BFD_RELOC_PPC64_PLTGOT16_LO_DS: | |
94f592af | 5868 | if (fixP->fx_pcrel) |
0baf16f2 AM |
5869 | abort (); |
5870 | { | |
2132e3a3 | 5871 | char *where = fixP->fx_frag->fr_literal + fixP->fx_where; |
3d8aea2f | 5872 | unsigned long val, mask; |
0baf16f2 AM |
5873 | |
5874 | if (target_big_endian) | |
adadcc0c | 5875 | val = bfd_getb32 (where - 2); |
0baf16f2 | 5876 | else |
adadcc0c AM |
5877 | val = bfd_getl32 (where); |
5878 | mask = 0xfffc; | |
5879 | /* lq insns reserve the four lsbs. */ | |
5880 | if ((ppc_cpu & PPC_OPCODE_POWER4) != 0 | |
77a6138a | 5881 | && (val & (0x3f << 26)) == (56u << 26)) |
adadcc0c AM |
5882 | mask = 0xfff0; |
5883 | val |= value & mask; | |
0baf16f2 AM |
5884 | if (target_big_endian) |
5885 | bfd_putb16 ((bfd_vma) val, where); | |
5886 | else | |
5887 | bfd_putl16 ((bfd_vma) val, where); | |
5888 | } | |
5889 | break; | |
cdba85ec | 5890 | |
ba0b2174 AM |
5891 | case BFD_RELOC_PPC_B16_BRTAKEN: |
5892 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
5893 | case BFD_RELOC_PPC_BA16_BRTAKEN: | |
5894 | case BFD_RELOC_PPC_BA16_BRNTAKEN: | |
5895 | break; | |
5896 | ||
cdba85ec | 5897 | case BFD_RELOC_PPC_TLS: |
7c1d0959 L |
5898 | break; |
5899 | ||
cdba85ec AM |
5900 | case BFD_RELOC_PPC_DTPMOD: |
5901 | case BFD_RELOC_PPC_TPREL16: | |
5902 | case BFD_RELOC_PPC_TPREL16_LO: | |
5903 | case BFD_RELOC_PPC_TPREL16_HI: | |
5904 | case BFD_RELOC_PPC_TPREL16_HA: | |
5905 | case BFD_RELOC_PPC_TPREL: | |
5906 | case BFD_RELOC_PPC_DTPREL16: | |
5907 | case BFD_RELOC_PPC_DTPREL16_LO: | |
5908 | case BFD_RELOC_PPC_DTPREL16_HI: | |
5909 | case BFD_RELOC_PPC_DTPREL16_HA: | |
5910 | case BFD_RELOC_PPC_DTPREL: | |
5911 | case BFD_RELOC_PPC_GOT_TLSGD16: | |
5912 | case BFD_RELOC_PPC_GOT_TLSGD16_LO: | |
5913 | case BFD_RELOC_PPC_GOT_TLSGD16_HI: | |
5914 | case BFD_RELOC_PPC_GOT_TLSGD16_HA: | |
5915 | case BFD_RELOC_PPC_GOT_TLSLD16: | |
5916 | case BFD_RELOC_PPC_GOT_TLSLD16_LO: | |
5917 | case BFD_RELOC_PPC_GOT_TLSLD16_HI: | |
5918 | case BFD_RELOC_PPC_GOT_TLSLD16_HA: | |
5919 | case BFD_RELOC_PPC_GOT_TPREL16: | |
5920 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
5921 | case BFD_RELOC_PPC_GOT_TPREL16_HI: | |
5922 | case BFD_RELOC_PPC_GOT_TPREL16_HA: | |
5923 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
5924 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
5925 | case BFD_RELOC_PPC_GOT_DTPREL16_HI: | |
5926 | case BFD_RELOC_PPC_GOT_DTPREL16_HA: | |
5927 | case BFD_RELOC_PPC64_TPREL16_DS: | |
5928 | case BFD_RELOC_PPC64_TPREL16_LO_DS: | |
5929 | case BFD_RELOC_PPC64_TPREL16_HIGHER: | |
5930 | case BFD_RELOC_PPC64_TPREL16_HIGHERA: | |
5931 | case BFD_RELOC_PPC64_TPREL16_HIGHEST: | |
5932 | case BFD_RELOC_PPC64_TPREL16_HIGHESTA: | |
5933 | case BFD_RELOC_PPC64_DTPREL16_DS: | |
5934 | case BFD_RELOC_PPC64_DTPREL16_LO_DS: | |
5935 | case BFD_RELOC_PPC64_DTPREL16_HIGHER: | |
5936 | case BFD_RELOC_PPC64_DTPREL16_HIGHERA: | |
5937 | case BFD_RELOC_PPC64_DTPREL16_HIGHEST: | |
5938 | case BFD_RELOC_PPC64_DTPREL16_HIGHESTA: | |
7c1d0959 | 5939 | S_SET_THREAD_LOCAL (fixP->fx_addsy); |
cdba85ec | 5940 | break; |
0baf16f2 | 5941 | #endif |
252b5132 | 5942 | /* Because SDA21 modifies the register field, the size is set to 4 |
99a814a1 | 5943 | bytes, rather than 2, so offset it here appropriately. */ |
252b5132 | 5944 | case BFD_RELOC_PPC_EMB_SDA21: |
94f592af | 5945 | if (fixP->fx_pcrel) |
252b5132 RH |
5946 | abort (); |
5947 | ||
94f592af | 5948 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where |
252b5132 RH |
5949 | + ((target_big_endian) ? 2 : 0), |
5950 | value, 2); | |
5951 | break; | |
5952 | ||
5953 | case BFD_RELOC_8: | |
94f592af | 5954 | if (fixP->fx_pcrel) |
31a91399 NC |
5955 | { |
5956 | /* This can occur if there is a bug in the input assembler, eg: | |
b7d7dc63 | 5957 | ".byte <undefined_symbol> - ." */ |
31a91399 NC |
5958 | if (fixP->fx_addsy) |
5959 | as_bad (_("Unable to handle reference to symbol %s"), | |
5960 | S_GET_NAME (fixP->fx_addsy)); | |
5961 | else | |
5962 | as_bad (_("Unable to resolve expression")); | |
5963 | fixP->fx_done = 1; | |
5964 | } | |
5965 | else | |
5966 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, | |
5967 | value, 1); | |
252b5132 RH |
5968 | break; |
5969 | ||
5970 | case BFD_RELOC_24_PLT_PCREL: | |
5971 | case BFD_RELOC_PPC_LOCAL24PC: | |
94f592af | 5972 | if (!fixP->fx_pcrel && !fixP->fx_done) |
252b5132 RH |
5973 | abort (); |
5974 | ||
94f592af | 5975 | if (fixP->fx_done) |
99a814a1 AM |
5976 | { |
5977 | char *where; | |
5978 | unsigned long insn; | |
5979 | ||
5980 | /* Fetch the instruction, insert the fully resolved operand | |
5981 | value, and stuff the instruction back again. */ | |
94f592af | 5982 | where = fixP->fx_frag->fr_literal + fixP->fx_where; |
99a814a1 AM |
5983 | if (target_big_endian) |
5984 | insn = bfd_getb32 ((unsigned char *) where); | |
5985 | else | |
5986 | insn = bfd_getl32 ((unsigned char *) where); | |
5987 | if ((value & 3) != 0) | |
94f592af | 5988 | as_bad_where (fixP->fx_file, fixP->fx_line, |
99a814a1 AM |
5989 | _("must branch to an address a multiple of 4")); |
5990 | if ((offsetT) value < -0x40000000 | |
5991 | || (offsetT) value >= 0x40000000) | |
94f592af | 5992 | as_bad_where (fixP->fx_file, fixP->fx_line, |
99a814a1 AM |
5993 | _("@local or @plt branch destination is too far away, %ld bytes"), |
5994 | (long) value); | |
5995 | insn = insn | (value & 0x03fffffc); | |
5996 | if (target_big_endian) | |
5997 | bfd_putb32 ((bfd_vma) insn, (unsigned char *) where); | |
5998 | else | |
5999 | bfd_putl32 ((bfd_vma) insn, (unsigned char *) where); | |
6000 | } | |
252b5132 RH |
6001 | break; |
6002 | ||
6003 | case BFD_RELOC_VTABLE_INHERIT: | |
94f592af NC |
6004 | fixP->fx_done = 0; |
6005 | if (fixP->fx_addsy | |
6006 | && !S_IS_DEFINED (fixP->fx_addsy) | |
6007 | && !S_IS_WEAK (fixP->fx_addsy)) | |
6008 | S_SET_WEAK (fixP->fx_addsy); | |
252b5132 RH |
6009 | break; |
6010 | ||
6011 | case BFD_RELOC_VTABLE_ENTRY: | |
94f592af | 6012 | fixP->fx_done = 0; |
252b5132 RH |
6013 | break; |
6014 | ||
0baf16f2 | 6015 | #ifdef OBJ_ELF |
0baf16f2 AM |
6016 | /* Generated by reference to `sym@tocbase'. The sym is |
6017 | ignored by the linker. */ | |
6018 | case BFD_RELOC_PPC64_TOC: | |
94f592af | 6019 | fixP->fx_done = 0; |
0baf16f2 | 6020 | break; |
0baf16f2 | 6021 | #endif |
252b5132 | 6022 | default: |
bc805888 | 6023 | fprintf (stderr, |
94f592af | 6024 | _("Gas failure, reloc value %d\n"), fixP->fx_r_type); |
99a814a1 | 6025 | fflush (stderr); |
252b5132 RH |
6026 | abort (); |
6027 | } | |
6028 | } | |
6029 | ||
6030 | #ifdef OBJ_ELF | |
94f592af | 6031 | fixP->fx_addnumber = value; |
4e6935a6 AM |
6032 | |
6033 | /* PowerPC uses RELA relocs, ie. the reloc addend is stored separately | |
6034 | from the section contents. If we are going to be emitting a reloc | |
6035 | then the section contents are immaterial, so don't warn if they | |
6036 | happen to overflow. Leave such warnings to ld. */ | |
6037 | if (!fixP->fx_done) | |
6038 | fixP->fx_no_overflow = 1; | |
252b5132 | 6039 | #else |
94f592af NC |
6040 | if (fixP->fx_r_type != BFD_RELOC_PPC_TOC16) |
6041 | fixP->fx_addnumber = 0; | |
252b5132 RH |
6042 | else |
6043 | { | |
6044 | #ifdef TE_PE | |
94f592af | 6045 | fixP->fx_addnumber = 0; |
252b5132 RH |
6046 | #else |
6047 | /* We want to use the offset within the data segment of the | |
6048 | symbol, not the actual VMA of the symbol. */ | |
94f592af NC |
6049 | fixP->fx_addnumber = |
6050 | - bfd_get_section_vma (stdoutput, S_GET_SEGMENT (fixP->fx_addsy)); | |
252b5132 RH |
6051 | #endif |
6052 | } | |
6053 | #endif | |
252b5132 RH |
6054 | } |
6055 | ||
6056 | /* Generate a reloc for a fixup. */ | |
6057 | ||
6058 | arelent * | |
6059 | tc_gen_reloc (seg, fixp) | |
92161534 | 6060 | asection *seg ATTRIBUTE_UNUSED; |
252b5132 RH |
6061 | fixS *fixp; |
6062 | { | |
6063 | arelent *reloc; | |
6064 | ||
6065 | reloc = (arelent *) xmalloc (sizeof (arelent)); | |
6066 | ||
49309057 ILT |
6067 | reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); |
6068 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
252b5132 RH |
6069 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; |
6070 | reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type); | |
6071 | if (reloc->howto == (reloc_howto_type *) NULL) | |
6072 | { | |
6073 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
99a814a1 AM |
6074 | _("reloc %d not supported by object file format"), |
6075 | (int) fixp->fx_r_type); | |
252b5132 RH |
6076 | return NULL; |
6077 | } | |
6078 | reloc->addend = fixp->fx_addnumber; | |
6079 | ||
6080 | return reloc; | |
6081 | } | |
75e21f08 JJ |
6082 | |
6083 | void | |
6084 | ppc_cfi_frame_initial_instructions () | |
6085 | { | |
6086 | cfi_add_CFA_def_cfa (1, 0); | |
6087 | } | |
6088 | ||
6089 | int | |
1df69f4f | 6090 | tc_ppc_regname_to_dw2regnum (char *regname) |
75e21f08 JJ |
6091 | { |
6092 | unsigned int regnum = -1; | |
6093 | unsigned int i; | |
6094 | const char *p; | |
6095 | char *q; | |
6096 | static struct { char *name; int dw2regnum; } regnames[] = | |
6097 | { | |
6098 | { "sp", 1 }, { "r.sp", 1 }, { "rtoc", 2 }, { "r.toc", 2 }, | |
6099 | { "mq", 64 }, { "lr", 65 }, { "ctr", 66 }, { "ap", 67 }, | |
80f846b6 | 6100 | { "cr", 70 }, { "xer", 76 }, { "vrsave", 109 }, { "vscr", 110 }, |
75e21f08 JJ |
6101 | { "spe_acc", 111 }, { "spefscr", 112 } |
6102 | }; | |
6103 | ||
6104 | for (i = 0; i < ARRAY_SIZE (regnames); ++i) | |
6105 | if (strcmp (regnames[i].name, regname) == 0) | |
6106 | return regnames[i].dw2regnum; | |
6107 | ||
6108 | if (regname[0] == 'r' || regname[0] == 'f' || regname[0] == 'v') | |
6109 | { | |
6110 | p = regname + 1 + (regname[1] == '.'); | |
6111 | regnum = strtoul (p, &q, 10); | |
6112 | if (p == q || *q || regnum >= 32) | |
6113 | return -1; | |
6114 | if (regname[0] == 'f') | |
b7d7dc63 | 6115 | regnum += 32; |
75e21f08 | 6116 | else if (regname[0] == 'v') |
b7d7dc63 | 6117 | regnum += 77; |
75e21f08 JJ |
6118 | } |
6119 | else if (regname[0] == 'c' && regname[1] == 'r') | |
6120 | { | |
6121 | p = regname + 2 + (regname[2] == '.'); | |
6122 | if (p[0] < '0' || p[0] > '7' || p[1]) | |
b7d7dc63 | 6123 | return -1; |
75e21f08 JJ |
6124 | regnum = p[0] - '0' + 68; |
6125 | } | |
6126 | return regnum; | |
6127 | } |