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