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, |
b84bf58a | 3 | 2004, 2005, 2006, 2007 Free Software Foundation, Inc. |
252b5132 RH |
4 | Written by Ian Lance Taylor, Cygnus Support. |
5 | ||
6 | This file is part of GAS, the GNU Assembler. | |
7 | ||
8 | GAS is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2, or (at your option) | |
11 | any later version. | |
12 | ||
13 | GAS is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with GAS; see the file COPYING. If not, write to the Free | |
4b4da160 NC |
20 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
21 | 02110-1301, USA. */ | |
252b5132 | 22 | |
252b5132 | 23 | #include "as.h" |
3882b010 | 24 | #include "safe-ctype.h" |
252b5132 | 25 | #include "subsegs.h" |
75e21f08 | 26 | #include "dw2gencfi.h" |
252b5132 RH |
27 | #include "opcode/ppc.h" |
28 | ||
29 | #ifdef OBJ_ELF | |
30 | #include "elf/ppc.h" | |
5d6f4f16 | 31 | #include "dwarf2dbg.h" |
252b5132 RH |
32 | #endif |
33 | ||
34 | #ifdef TE_PE | |
35 | #include "coff/pe.h" | |
36 | #endif | |
37 | ||
38 | /* This is the assembler for the PowerPC or POWER (RS/6000) chips. */ | |
39 | ||
40 | /* Tell the main code what the endianness is. */ | |
41 | extern int target_big_endian; | |
42 | ||
43 | /* Whether or not, we've set target_big_endian. */ | |
44 | static int set_target_endian = 0; | |
45 | ||
46 | /* Whether to use user friendly register names. */ | |
47 | #ifndef TARGET_REG_NAMES_P | |
48 | #ifdef TE_PE | |
b34976b6 | 49 | #define TARGET_REG_NAMES_P TRUE |
252b5132 | 50 | #else |
b34976b6 | 51 | #define TARGET_REG_NAMES_P FALSE |
252b5132 RH |
52 | #endif |
53 | #endif | |
54 | ||
0baf16f2 AM |
55 | /* Macros for calculating LO, HI, HA, HIGHER, HIGHERA, HIGHEST, |
56 | HIGHESTA. */ | |
57 | ||
58 | /* #lo(value) denotes the least significant 16 bits of the indicated. */ | |
59 | #define PPC_LO(v) ((v) & 0xffff) | |
60 | ||
61 | /* #hi(value) denotes bits 16 through 31 of the indicated value. */ | |
62 | #define PPC_HI(v) (((v) >> 16) & 0xffff) | |
63 | ||
64 | /* #ha(value) denotes the high adjusted value: bits 16 through 31 of | |
65 | the indicated value, compensating for #lo() being treated as a | |
66 | signed number. */ | |
15c1449b | 67 | #define PPC_HA(v) PPC_HI ((v) + 0x8000) |
0baf16f2 AM |
68 | |
69 | /* #higher(value) denotes bits 32 through 47 of the indicated value. */ | |
2a98c3a6 | 70 | #define PPC_HIGHER(v) (((v) >> 16 >> 16) & 0xffff) |
0baf16f2 AM |
71 | |
72 | /* #highera(value) denotes bits 32 through 47 of the indicated value, | |
73 | compensating for #lo() being treated as a signed number. */ | |
15c1449b | 74 | #define PPC_HIGHERA(v) PPC_HIGHER ((v) + 0x8000) |
0baf16f2 AM |
75 | |
76 | /* #highest(value) denotes bits 48 through 63 of the indicated value. */ | |
2a98c3a6 | 77 | #define PPC_HIGHEST(v) (((v) >> 24 >> 24) & 0xffff) |
0baf16f2 AM |
78 | |
79 | /* #highesta(value) denotes bits 48 through 63 of the indicated value, | |
15c1449b AM |
80 | compensating for #lo being treated as a signed number. */ |
81 | #define PPC_HIGHESTA(v) PPC_HIGHEST ((v) + 0x8000) | |
0baf16f2 AM |
82 | |
83 | #define SEX16(val) ((((val) & 0xffff) ^ 0x8000) - 0x8000) | |
84 | ||
b34976b6 | 85 | static bfd_boolean reg_names_p = TARGET_REG_NAMES_P; |
252b5132 | 86 | |
b34976b6 | 87 | static bfd_boolean register_name PARAMS ((expressionS *)); |
252b5132 | 88 | static void ppc_set_cpu PARAMS ((void)); |
252b5132 RH |
89 | static void ppc_macro PARAMS ((char *str, const struct powerpc_macro *macro)); |
90 | static void ppc_byte PARAMS ((int)); | |
0baf16f2 AM |
91 | |
92 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) | |
252b5132 RH |
93 | static int ppc_is_toc_sym PARAMS ((symbolS *sym)); |
94 | static void ppc_tc PARAMS ((int)); | |
0baf16f2 AM |
95 | static void ppc_machine PARAMS ((int)); |
96 | #endif | |
252b5132 RH |
97 | |
98 | #ifdef OBJ_XCOFF | |
99 | static void ppc_comm PARAMS ((int)); | |
100 | static void ppc_bb PARAMS ((int)); | |
101 | static void ppc_bc PARAMS ((int)); | |
102 | static void ppc_bf PARAMS ((int)); | |
103 | static void ppc_biei PARAMS ((int)); | |
104 | static void ppc_bs PARAMS ((int)); | |
105 | static void ppc_eb PARAMS ((int)); | |
106 | static void ppc_ec PARAMS ((int)); | |
107 | static void ppc_ef PARAMS ((int)); | |
108 | static void ppc_es PARAMS ((int)); | |
109 | static void ppc_csect PARAMS ((int)); | |
931e13a6 | 110 | static void ppc_change_csect PARAMS ((symbolS *, offsetT)); |
252b5132 RH |
111 | static void ppc_function PARAMS ((int)); |
112 | static void ppc_extern PARAMS ((int)); | |
113 | static void ppc_lglobl PARAMS ((int)); | |
114 | static void ppc_section PARAMS ((int)); | |
115 | static void ppc_named_section PARAMS ((int)); | |
116 | static void ppc_stabx PARAMS ((int)); | |
117 | static void ppc_rename PARAMS ((int)); | |
118 | static void ppc_toc PARAMS ((int)); | |
119 | static void ppc_xcoff_cons PARAMS ((int)); | |
120 | static void ppc_vbyte PARAMS ((int)); | |
121 | #endif | |
122 | ||
123 | #ifdef OBJ_ELF | |
124 | static bfd_reloc_code_real_type ppc_elf_suffix PARAMS ((char **, expressionS *)); | |
125 | static void ppc_elf_cons PARAMS ((int)); | |
126 | static void ppc_elf_rdata PARAMS ((int)); | |
127 | static void ppc_elf_lcomm PARAMS ((int)); | |
128 | static void ppc_elf_validate_fix PARAMS ((fixS *, segT)); | |
dc1d03fc | 129 | static void ppc_apuinfo_section_add PARAMS ((unsigned int apu, unsigned int version)); |
252b5132 RH |
130 | #endif |
131 | ||
132 | #ifdef TE_PE | |
133 | static void ppc_set_current_section PARAMS ((segT)); | |
134 | static void ppc_previous PARAMS ((int)); | |
135 | static void ppc_pdata PARAMS ((int)); | |
136 | static void ppc_ydata PARAMS ((int)); | |
137 | static void ppc_reldata PARAMS ((int)); | |
138 | static void ppc_rdata PARAMS ((int)); | |
139 | static void ppc_ualong PARAMS ((int)); | |
140 | static void ppc_znop PARAMS ((int)); | |
141 | static void ppc_pe_comm PARAMS ((int)); | |
142 | static void ppc_pe_section PARAMS ((int)); | |
143 | static void ppc_pe_function PARAMS ((int)); | |
144 | static void ppc_pe_tocd PARAMS ((int)); | |
145 | #endif | |
146 | \f | |
147 | /* Generic assembler global variables which must be defined by all | |
148 | targets. */ | |
149 | ||
150 | #ifdef OBJ_ELF | |
151 | /* This string holds the chars that always start a comment. If the | |
152 | pre-processor is disabled, these aren't very useful. The macro | |
153 | tc_comment_chars points to this. We use this, rather than the | |
154 | usual comment_chars, so that we can switch for Solaris conventions. */ | |
155 | static const char ppc_solaris_comment_chars[] = "#!"; | |
156 | static const char ppc_eabi_comment_chars[] = "#"; | |
157 | ||
158 | #ifdef TARGET_SOLARIS_COMMENT | |
159 | const char *ppc_comment_chars = ppc_solaris_comment_chars; | |
160 | #else | |
161 | const char *ppc_comment_chars = ppc_eabi_comment_chars; | |
162 | #endif | |
163 | #else | |
164 | const char comment_chars[] = "#"; | |
165 | #endif | |
166 | ||
167 | /* Characters which start a comment at the beginning of a line. */ | |
168 | const char line_comment_chars[] = "#"; | |
169 | ||
170 | /* Characters which may be used to separate multiple commands on a | |
171 | single line. */ | |
172 | const char line_separator_chars[] = ";"; | |
173 | ||
174 | /* Characters which are used to indicate an exponent in a floating | |
175 | point number. */ | |
176 | const char EXP_CHARS[] = "eE"; | |
177 | ||
178 | /* Characters which mean that a number is a floating point constant, | |
179 | as in 0d1.0. */ | |
180 | const char FLT_CHARS[] = "dD"; | |
5ce8663f | 181 | |
5e02f92e | 182 | /* Anything that can start an operand needs to be mentioned here, |
ac805826 | 183 | to stop the input scrubber eating whitespace. */ |
5e02f92e | 184 | const char ppc_symbol_chars[] = "%["; |
75e21f08 JJ |
185 | |
186 | /* The dwarf2 data alignment, adjusted for 32 or 64 bit. */ | |
187 | int ppc_cie_data_alignment; | |
252b5132 RH |
188 | \f |
189 | /* The target specific pseudo-ops which we support. */ | |
190 | ||
191 | const pseudo_typeS md_pseudo_table[] = | |
192 | { | |
193 | /* Pseudo-ops which must be overridden. */ | |
194 | { "byte", ppc_byte, 0 }, | |
195 | ||
196 | #ifdef OBJ_XCOFF | |
197 | /* Pseudo-ops specific to the RS/6000 XCOFF format. Some of these | |
198 | legitimately belong in the obj-*.c file. However, XCOFF is based | |
199 | on COFF, and is only implemented for the RS/6000. We just use | |
200 | obj-coff.c, and add what we need here. */ | |
201 | { "comm", ppc_comm, 0 }, | |
202 | { "lcomm", ppc_comm, 1 }, | |
203 | { "bb", ppc_bb, 0 }, | |
204 | { "bc", ppc_bc, 0 }, | |
205 | { "bf", ppc_bf, 0 }, | |
206 | { "bi", ppc_biei, 0 }, | |
207 | { "bs", ppc_bs, 0 }, | |
208 | { "csect", ppc_csect, 0 }, | |
209 | { "data", ppc_section, 'd' }, | |
210 | { "eb", ppc_eb, 0 }, | |
211 | { "ec", ppc_ec, 0 }, | |
212 | { "ef", ppc_ef, 0 }, | |
213 | { "ei", ppc_biei, 1 }, | |
214 | { "es", ppc_es, 0 }, | |
215 | { "extern", ppc_extern, 0 }, | |
216 | { "function", ppc_function, 0 }, | |
217 | { "lglobl", ppc_lglobl, 0 }, | |
218 | { "rename", ppc_rename, 0 }, | |
219 | { "section", ppc_named_section, 0 }, | |
220 | { "stabx", ppc_stabx, 0 }, | |
221 | { "text", ppc_section, 't' }, | |
222 | { "toc", ppc_toc, 0 }, | |
223 | { "long", ppc_xcoff_cons, 2 }, | |
7f6d05e8 | 224 | { "llong", ppc_xcoff_cons, 3 }, |
252b5132 RH |
225 | { "word", ppc_xcoff_cons, 1 }, |
226 | { "short", ppc_xcoff_cons, 1 }, | |
227 | { "vbyte", ppc_vbyte, 0 }, | |
228 | #endif | |
229 | ||
230 | #ifdef OBJ_ELF | |
0baf16f2 AM |
231 | { "llong", ppc_elf_cons, 8 }, |
232 | { "quad", ppc_elf_cons, 8 }, | |
252b5132 RH |
233 | { "long", ppc_elf_cons, 4 }, |
234 | { "word", ppc_elf_cons, 2 }, | |
235 | { "short", ppc_elf_cons, 2 }, | |
236 | { "rdata", ppc_elf_rdata, 0 }, | |
237 | { "rodata", ppc_elf_rdata, 0 }, | |
238 | { "lcomm", ppc_elf_lcomm, 0 }, | |
239 | #endif | |
240 | ||
241 | #ifdef TE_PE | |
99a814a1 | 242 | /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */ |
252b5132 RH |
243 | { "previous", ppc_previous, 0 }, |
244 | { "pdata", ppc_pdata, 0 }, | |
245 | { "ydata", ppc_ydata, 0 }, | |
246 | { "reldata", ppc_reldata, 0 }, | |
247 | { "rdata", ppc_rdata, 0 }, | |
248 | { "ualong", ppc_ualong, 0 }, | |
249 | { "znop", ppc_znop, 0 }, | |
250 | { "comm", ppc_pe_comm, 0 }, | |
251 | { "lcomm", ppc_pe_comm, 1 }, | |
252 | { "section", ppc_pe_section, 0 }, | |
253 | { "function", ppc_pe_function,0 }, | |
254 | { "tocd", ppc_pe_tocd, 0 }, | |
255 | #endif | |
256 | ||
0baf16f2 | 257 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
252b5132 | 258 | { "tc", ppc_tc, 0 }, |
0baf16f2 AM |
259 | { "machine", ppc_machine, 0 }, |
260 | #endif | |
252b5132 RH |
261 | |
262 | { NULL, NULL, 0 } | |
263 | }; | |
264 | ||
265 | \f | |
99a814a1 AM |
266 | /* Predefined register names if -mregnames (or default for Windows NT). |
267 | In general, there are lots of them, in an attempt to be compatible | |
268 | with a number of other Windows NT assemblers. */ | |
252b5132 RH |
269 | |
270 | /* Structure to hold information about predefined registers. */ | |
271 | struct pd_reg | |
272 | { | |
273 | char *name; | |
274 | int value; | |
275 | }; | |
276 | ||
277 | /* List of registers that are pre-defined: | |
278 | ||
279 | Each general register has predefined names of the form: | |
280 | 1. r<reg_num> which has the value <reg_num>. | |
281 | 2. r.<reg_num> which has the value <reg_num>. | |
282 | ||
252b5132 RH |
283 | Each floating point register has predefined names of the form: |
284 | 1. f<reg_num> which has the value <reg_num>. | |
285 | 2. f.<reg_num> which has the value <reg_num>. | |
286 | ||
7a899fff C |
287 | Each vector unit register has predefined names of the form: |
288 | 1. v<reg_num> which has the value <reg_num>. | |
289 | 2. v.<reg_num> which has the value <reg_num>. | |
290 | ||
252b5132 RH |
291 | Each condition register has predefined names of the form: |
292 | 1. cr<reg_num> which has the value <reg_num>. | |
293 | 2. cr.<reg_num> which has the value <reg_num>. | |
294 | ||
295 | There are individual registers as well: | |
296 | sp or r.sp has the value 1 | |
297 | rtoc or r.toc has the value 2 | |
298 | fpscr has the value 0 | |
299 | xer has the value 1 | |
300 | lr has the value 8 | |
301 | ctr has the value 9 | |
302 | pmr has the value 0 | |
303 | dar has the value 19 | |
304 | dsisr has the value 18 | |
305 | dec has the value 22 | |
306 | sdr1 has the value 25 | |
307 | srr0 has the value 26 | |
308 | srr1 has the value 27 | |
309 | ||
81d4177b | 310 | The table is sorted. Suitable for searching by a binary search. */ |
252b5132 RH |
311 | |
312 | static const struct pd_reg pre_defined_registers[] = | |
313 | { | |
314 | { "cr.0", 0 }, /* Condition Registers */ | |
315 | { "cr.1", 1 }, | |
316 | { "cr.2", 2 }, | |
317 | { "cr.3", 3 }, | |
318 | { "cr.4", 4 }, | |
319 | { "cr.5", 5 }, | |
320 | { "cr.6", 6 }, | |
321 | { "cr.7", 7 }, | |
322 | ||
323 | { "cr0", 0 }, | |
324 | { "cr1", 1 }, | |
325 | { "cr2", 2 }, | |
326 | { "cr3", 3 }, | |
327 | { "cr4", 4 }, | |
328 | { "cr5", 5 }, | |
329 | { "cr6", 6 }, | |
330 | { "cr7", 7 }, | |
331 | ||
332 | { "ctr", 9 }, | |
333 | ||
334 | { "dar", 19 }, /* Data Access Register */ | |
335 | { "dec", 22 }, /* Decrementer */ | |
336 | { "dsisr", 18 }, /* Data Storage Interrupt Status Register */ | |
337 | ||
338 | { "f.0", 0 }, /* Floating point registers */ | |
81d4177b KH |
339 | { "f.1", 1 }, |
340 | { "f.10", 10 }, | |
341 | { "f.11", 11 }, | |
342 | { "f.12", 12 }, | |
343 | { "f.13", 13 }, | |
344 | { "f.14", 14 }, | |
345 | { "f.15", 15 }, | |
346 | { "f.16", 16 }, | |
347 | { "f.17", 17 }, | |
348 | { "f.18", 18 }, | |
349 | { "f.19", 19 }, | |
350 | { "f.2", 2 }, | |
351 | { "f.20", 20 }, | |
352 | { "f.21", 21 }, | |
353 | { "f.22", 22 }, | |
354 | { "f.23", 23 }, | |
355 | { "f.24", 24 }, | |
356 | { "f.25", 25 }, | |
357 | { "f.26", 26 }, | |
358 | { "f.27", 27 }, | |
359 | { "f.28", 28 }, | |
360 | { "f.29", 29 }, | |
361 | { "f.3", 3 }, | |
252b5132 RH |
362 | { "f.30", 30 }, |
363 | { "f.31", 31 }, | |
81d4177b KH |
364 | { "f.4", 4 }, |
365 | { "f.5", 5 }, | |
366 | { "f.6", 6 }, | |
367 | { "f.7", 7 }, | |
368 | { "f.8", 8 }, | |
369 | { "f.9", 9 }, | |
370 | ||
371 | { "f0", 0 }, | |
372 | { "f1", 1 }, | |
373 | { "f10", 10 }, | |
374 | { "f11", 11 }, | |
375 | { "f12", 12 }, | |
376 | { "f13", 13 }, | |
377 | { "f14", 14 }, | |
378 | { "f15", 15 }, | |
379 | { "f16", 16 }, | |
380 | { "f17", 17 }, | |
381 | { "f18", 18 }, | |
382 | { "f19", 19 }, | |
383 | { "f2", 2 }, | |
384 | { "f20", 20 }, | |
385 | { "f21", 21 }, | |
386 | { "f22", 22 }, | |
387 | { "f23", 23 }, | |
388 | { "f24", 24 }, | |
389 | { "f25", 25 }, | |
390 | { "f26", 26 }, | |
391 | { "f27", 27 }, | |
392 | { "f28", 28 }, | |
393 | { "f29", 29 }, | |
394 | { "f3", 3 }, | |
252b5132 RH |
395 | { "f30", 30 }, |
396 | { "f31", 31 }, | |
81d4177b KH |
397 | { "f4", 4 }, |
398 | { "f5", 5 }, | |
399 | { "f6", 6 }, | |
400 | { "f7", 7 }, | |
401 | { "f8", 8 }, | |
402 | { "f9", 9 }, | |
252b5132 RH |
403 | |
404 | { "fpscr", 0 }, | |
405 | ||
406 | { "lr", 8 }, /* Link Register */ | |
407 | ||
408 | { "pmr", 0 }, | |
409 | ||
410 | { "r.0", 0 }, /* General Purpose Registers */ | |
411 | { "r.1", 1 }, | |
412 | { "r.10", 10 }, | |
413 | { "r.11", 11 }, | |
414 | { "r.12", 12 }, | |
415 | { "r.13", 13 }, | |
416 | { "r.14", 14 }, | |
417 | { "r.15", 15 }, | |
418 | { "r.16", 16 }, | |
419 | { "r.17", 17 }, | |
420 | { "r.18", 18 }, | |
421 | { "r.19", 19 }, | |
422 | { "r.2", 2 }, | |
423 | { "r.20", 20 }, | |
424 | { "r.21", 21 }, | |
425 | { "r.22", 22 }, | |
426 | { "r.23", 23 }, | |
427 | { "r.24", 24 }, | |
428 | { "r.25", 25 }, | |
429 | { "r.26", 26 }, | |
430 | { "r.27", 27 }, | |
431 | { "r.28", 28 }, | |
432 | { "r.29", 29 }, | |
433 | { "r.3", 3 }, | |
434 | { "r.30", 30 }, | |
435 | { "r.31", 31 }, | |
436 | { "r.4", 4 }, | |
437 | { "r.5", 5 }, | |
438 | { "r.6", 6 }, | |
439 | { "r.7", 7 }, | |
440 | { "r.8", 8 }, | |
441 | { "r.9", 9 }, | |
442 | ||
443 | { "r.sp", 1 }, /* Stack Pointer */ | |
444 | ||
445 | { "r.toc", 2 }, /* Pointer to the table of contents */ | |
446 | ||
447 | { "r0", 0 }, /* More general purpose registers */ | |
448 | { "r1", 1 }, | |
449 | { "r10", 10 }, | |
450 | { "r11", 11 }, | |
451 | { "r12", 12 }, | |
452 | { "r13", 13 }, | |
453 | { "r14", 14 }, | |
454 | { "r15", 15 }, | |
455 | { "r16", 16 }, | |
456 | { "r17", 17 }, | |
457 | { "r18", 18 }, | |
458 | { "r19", 19 }, | |
459 | { "r2", 2 }, | |
460 | { "r20", 20 }, | |
461 | { "r21", 21 }, | |
462 | { "r22", 22 }, | |
463 | { "r23", 23 }, | |
464 | { "r24", 24 }, | |
465 | { "r25", 25 }, | |
466 | { "r26", 26 }, | |
467 | { "r27", 27 }, | |
468 | { "r28", 28 }, | |
469 | { "r29", 29 }, | |
470 | { "r3", 3 }, | |
471 | { "r30", 30 }, | |
472 | { "r31", 31 }, | |
473 | { "r4", 4 }, | |
474 | { "r5", 5 }, | |
475 | { "r6", 6 }, | |
476 | { "r7", 7 }, | |
477 | { "r8", 8 }, | |
478 | { "r9", 9 }, | |
479 | ||
480 | { "rtoc", 2 }, /* Table of contents */ | |
481 | ||
482 | { "sdr1", 25 }, /* Storage Description Register 1 */ | |
483 | ||
484 | { "sp", 1 }, | |
485 | ||
486 | { "srr0", 26 }, /* Machine Status Save/Restore Register 0 */ | |
487 | { "srr1", 27 }, /* Machine Status Save/Restore Register 1 */ | |
81d4177b | 488 | |
7a899fff | 489 | { "v.0", 0 }, /* Vector registers */ |
81d4177b KH |
490 | { "v.1", 1 }, |
491 | { "v.10", 10 }, | |
492 | { "v.11", 11 }, | |
493 | { "v.12", 12 }, | |
494 | { "v.13", 13 }, | |
495 | { "v.14", 14 }, | |
496 | { "v.15", 15 }, | |
497 | { "v.16", 16 }, | |
498 | { "v.17", 17 }, | |
499 | { "v.18", 18 }, | |
500 | { "v.19", 19 }, | |
501 | { "v.2", 2 }, | |
502 | { "v.20", 20 }, | |
503 | { "v.21", 21 }, | |
504 | { "v.22", 22 }, | |
505 | { "v.23", 23 }, | |
506 | { "v.24", 24 }, | |
507 | { "v.25", 25 }, | |
508 | { "v.26", 26 }, | |
509 | { "v.27", 27 }, | |
510 | { "v.28", 28 }, | |
511 | { "v.29", 29 }, | |
512 | { "v.3", 3 }, | |
7a899fff C |
513 | { "v.30", 30 }, |
514 | { "v.31", 31 }, | |
81d4177b KH |
515 | { "v.4", 4 }, |
516 | { "v.5", 5 }, | |
517 | { "v.6", 6 }, | |
518 | { "v.7", 7 }, | |
519 | { "v.8", 8 }, | |
520 | { "v.9", 9 }, | |
7a899fff C |
521 | |
522 | { "v0", 0 }, | |
81d4177b KH |
523 | { "v1", 1 }, |
524 | { "v10", 10 }, | |
525 | { "v11", 11 }, | |
526 | { "v12", 12 }, | |
527 | { "v13", 13 }, | |
528 | { "v14", 14 }, | |
529 | { "v15", 15 }, | |
530 | { "v16", 16 }, | |
531 | { "v17", 17 }, | |
532 | { "v18", 18 }, | |
533 | { "v19", 19 }, | |
534 | { "v2", 2 }, | |
535 | { "v20", 20 }, | |
536 | { "v21", 21 }, | |
537 | { "v22", 22 }, | |
538 | { "v23", 23 }, | |
539 | { "v24", 24 }, | |
540 | { "v25", 25 }, | |
541 | { "v26", 26 }, | |
542 | { "v27", 27 }, | |
543 | { "v28", 28 }, | |
544 | { "v29", 29 }, | |
545 | { "v3", 3 }, | |
7a899fff C |
546 | { "v30", 30 }, |
547 | { "v31", 31 }, | |
81d4177b KH |
548 | { "v4", 4 }, |
549 | { "v5", 5 }, | |
550 | { "v6", 6 }, | |
551 | { "v7", 7 }, | |
552 | { "v8", 8 }, | |
7a899fff | 553 | { "v9", 9 }, |
252b5132 RH |
554 | |
555 | { "xer", 1 }, | |
556 | ||
557 | }; | |
558 | ||
bc805888 | 559 | #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg)) |
252b5132 RH |
560 | |
561 | /* Given NAME, find the register number associated with that name, return | |
562 | the integer value associated with the given name or -1 on failure. */ | |
563 | ||
564 | static int reg_name_search | |
565 | PARAMS ((const struct pd_reg *, int, const char * name)); | |
566 | ||
567 | static int | |
568 | reg_name_search (regs, regcount, name) | |
569 | const struct pd_reg *regs; | |
570 | int regcount; | |
571 | const char *name; | |
572 | { | |
573 | int middle, low, high; | |
574 | int cmp; | |
575 | ||
576 | low = 0; | |
577 | high = regcount - 1; | |
578 | ||
579 | do | |
580 | { | |
581 | middle = (low + high) / 2; | |
582 | cmp = strcasecmp (name, regs[middle].name); | |
583 | if (cmp < 0) | |
584 | high = middle - 1; | |
585 | else if (cmp > 0) | |
586 | low = middle + 1; | |
587 | else | |
588 | return regs[middle].value; | |
589 | } | |
590 | while (low <= high); | |
591 | ||
592 | return -1; | |
593 | } | |
594 | ||
595 | /* | |
99a814a1 | 596 | * Summary of register_name. |
252b5132 RH |
597 | * |
598 | * in: Input_line_pointer points to 1st char of operand. | |
599 | * | |
600 | * out: A expressionS. | |
601 | * The operand may have been a register: in this case, X_op == O_register, | |
602 | * X_add_number is set to the register number, and truth is returned. | |
603 | * Input_line_pointer->(next non-blank) char after operand, or is in its | |
604 | * original state. | |
605 | */ | |
606 | ||
b34976b6 | 607 | static bfd_boolean |
252b5132 RH |
608 | register_name (expressionP) |
609 | expressionS *expressionP; | |
610 | { | |
611 | int reg_number; | |
612 | char *name; | |
613 | char *start; | |
614 | char c; | |
615 | ||
99a814a1 | 616 | /* Find the spelling of the operand. */ |
252b5132 | 617 | start = name = input_line_pointer; |
3882b010 | 618 | if (name[0] == '%' && ISALPHA (name[1])) |
252b5132 RH |
619 | name = ++input_line_pointer; |
620 | ||
3882b010 | 621 | else if (!reg_names_p || !ISALPHA (name[0])) |
b34976b6 | 622 | return FALSE; |
252b5132 RH |
623 | |
624 | c = get_symbol_end (); | |
625 | reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT, name); | |
626 | ||
468cced8 AM |
627 | /* Put back the delimiting char. */ |
628 | *input_line_pointer = c; | |
629 | ||
99a814a1 | 630 | /* Look to see if it's in the register table. */ |
81d4177b | 631 | if (reg_number >= 0) |
252b5132 RH |
632 | { |
633 | expressionP->X_op = O_register; | |
634 | expressionP->X_add_number = reg_number; | |
81d4177b | 635 | |
99a814a1 | 636 | /* Make the rest nice. */ |
252b5132 RH |
637 | expressionP->X_add_symbol = NULL; |
638 | expressionP->X_op_symbol = NULL; | |
b34976b6 | 639 | return TRUE; |
252b5132 | 640 | } |
468cced8 AM |
641 | |
642 | /* Reset the line as if we had not done anything. */ | |
643 | input_line_pointer = start; | |
b34976b6 | 644 | return FALSE; |
252b5132 RH |
645 | } |
646 | \f | |
647 | /* This function is called for each symbol seen in an expression. It | |
648 | handles the special parsing which PowerPC assemblers are supposed | |
649 | to use for condition codes. */ | |
650 | ||
651 | /* Whether to do the special parsing. */ | |
b34976b6 | 652 | static bfd_boolean cr_operand; |
252b5132 RH |
653 | |
654 | /* Names to recognize in a condition code. This table is sorted. */ | |
655 | static const struct pd_reg cr_names[] = | |
656 | { | |
657 | { "cr0", 0 }, | |
658 | { "cr1", 1 }, | |
659 | { "cr2", 2 }, | |
660 | { "cr3", 3 }, | |
661 | { "cr4", 4 }, | |
662 | { "cr5", 5 }, | |
663 | { "cr6", 6 }, | |
664 | { "cr7", 7 }, | |
665 | { "eq", 2 }, | |
666 | { "gt", 1 }, | |
667 | { "lt", 0 }, | |
668 | { "so", 3 }, | |
669 | { "un", 3 } | |
670 | }; | |
671 | ||
672 | /* Parsing function. This returns non-zero if it recognized an | |
673 | expression. */ | |
674 | ||
675 | int | |
676 | ppc_parse_name (name, expr) | |
677 | const char *name; | |
678 | expressionS *expr; | |
679 | { | |
680 | int val; | |
681 | ||
682 | if (! cr_operand) | |
683 | return 0; | |
684 | ||
685 | val = reg_name_search (cr_names, sizeof cr_names / sizeof cr_names[0], | |
686 | name); | |
687 | if (val < 0) | |
688 | return 0; | |
689 | ||
690 | expr->X_op = O_constant; | |
691 | expr->X_add_number = val; | |
692 | ||
693 | return 1; | |
694 | } | |
695 | \f | |
696 | /* Local variables. */ | |
697 | ||
698 | /* The type of processor we are assembling for. This is one or more | |
699 | of the PPC_OPCODE flags defined in opcode/ppc.h. */ | |
2b3c4602 | 700 | static unsigned long ppc_cpu = 0; |
252b5132 | 701 | |
2b3c4602 AM |
702 | /* Whether to target xcoff64/elf64. */ |
703 | static unsigned int ppc_obj64 = BFD_DEFAULT_TARGET_SIZE == 64; | |
7f6d05e8 | 704 | |
252b5132 RH |
705 | /* Opcode hash table. */ |
706 | static struct hash_control *ppc_hash; | |
707 | ||
708 | /* Macro hash table. */ | |
709 | static struct hash_control *ppc_macro_hash; | |
710 | ||
711 | #ifdef OBJ_ELF | |
99a814a1 | 712 | /* What type of shared library support to use. */ |
5d6f4f16 | 713 | static enum { SHLIB_NONE, SHLIB_PIC, SHLIB_MRELOCATABLE } shlib = SHLIB_NONE; |
252b5132 | 714 | |
99a814a1 | 715 | /* Flags to set in the elf header. */ |
252b5132 RH |
716 | static flagword ppc_flags = 0; |
717 | ||
718 | /* Whether this is Solaris or not. */ | |
719 | #ifdef TARGET_SOLARIS_COMMENT | |
b34976b6 | 720 | #define SOLARIS_P TRUE |
252b5132 | 721 | #else |
b34976b6 | 722 | #define SOLARIS_P FALSE |
252b5132 RH |
723 | #endif |
724 | ||
b34976b6 | 725 | static bfd_boolean msolaris = SOLARIS_P; |
252b5132 RH |
726 | #endif |
727 | ||
728 | #ifdef OBJ_XCOFF | |
729 | ||
730 | /* The RS/6000 assembler uses the .csect pseudo-op to generate code | |
731 | using a bunch of different sections. These assembler sections, | |
732 | however, are all encompassed within the .text or .data sections of | |
733 | the final output file. We handle this by using different | |
734 | subsegments within these main segments. */ | |
735 | ||
736 | /* Next subsegment to allocate within the .text segment. */ | |
737 | static subsegT ppc_text_subsegment = 2; | |
738 | ||
739 | /* Linked list of csects in the text section. */ | |
740 | static symbolS *ppc_text_csects; | |
741 | ||
742 | /* Next subsegment to allocate within the .data segment. */ | |
743 | static subsegT ppc_data_subsegment = 2; | |
744 | ||
745 | /* Linked list of csects in the data section. */ | |
746 | static symbolS *ppc_data_csects; | |
747 | ||
748 | /* The current csect. */ | |
749 | static symbolS *ppc_current_csect; | |
750 | ||
751 | /* The RS/6000 assembler uses a TOC which holds addresses of functions | |
752 | and variables. Symbols are put in the TOC with the .tc pseudo-op. | |
753 | A special relocation is used when accessing TOC entries. We handle | |
754 | the TOC as a subsegment within the .data segment. We set it up if | |
755 | we see a .toc pseudo-op, and save the csect symbol here. */ | |
756 | static symbolS *ppc_toc_csect; | |
757 | ||
758 | /* The first frag in the TOC subsegment. */ | |
759 | static fragS *ppc_toc_frag; | |
760 | ||
761 | /* The first frag in the first subsegment after the TOC in the .data | |
762 | segment. NULL if there are no subsegments after the TOC. */ | |
763 | static fragS *ppc_after_toc_frag; | |
764 | ||
765 | /* The current static block. */ | |
766 | static symbolS *ppc_current_block; | |
767 | ||
768 | /* The COFF debugging section; set by md_begin. This is not the | |
769 | .debug section, but is instead the secret BFD section which will | |
770 | cause BFD to set the section number of a symbol to N_DEBUG. */ | |
771 | static asection *ppc_coff_debug_section; | |
772 | ||
773 | #endif /* OBJ_XCOFF */ | |
774 | ||
775 | #ifdef TE_PE | |
776 | ||
777 | /* Various sections that we need for PE coff support. */ | |
778 | static segT ydata_section; | |
779 | static segT pdata_section; | |
780 | static segT reldata_section; | |
781 | static segT rdata_section; | |
782 | static segT tocdata_section; | |
783 | ||
81d4177b | 784 | /* The current section and the previous section. See ppc_previous. */ |
252b5132 RH |
785 | static segT ppc_previous_section; |
786 | static segT ppc_current_section; | |
787 | ||
788 | #endif /* TE_PE */ | |
789 | ||
790 | #ifdef OBJ_ELF | |
791 | symbolS *GOT_symbol; /* Pre-defined "_GLOBAL_OFFSET_TABLE" */ | |
6a0c61b7 EZ |
792 | #define PPC_APUINFO_ISEL 0x40 |
793 | #define PPC_APUINFO_PMR 0x41 | |
794 | #define PPC_APUINFO_RFMCI 0x42 | |
795 | #define PPC_APUINFO_CACHELCK 0x43 | |
796 | #define PPC_APUINFO_SPE 0x100 | |
797 | #define PPC_APUINFO_EFS 0x101 | |
798 | #define PPC_APUINFO_BRLOCK 0x102 | |
799 | ||
b34976b6 AM |
800 | /* |
801 | * We keep a list of APUinfo | |
6a0c61b7 EZ |
802 | */ |
803 | unsigned long *ppc_apuinfo_list; | |
804 | unsigned int ppc_apuinfo_num; | |
805 | unsigned int ppc_apuinfo_num_alloc; | |
252b5132 RH |
806 | #endif /* OBJ_ELF */ |
807 | \f | |
808 | #ifdef OBJ_ELF | |
15c1449b | 809 | const char *const md_shortopts = "b:l:usm:K:VQ:"; |
252b5132 | 810 | #else |
15c1449b | 811 | const char *const md_shortopts = "um:"; |
252b5132 | 812 | #endif |
15c1449b | 813 | const struct option md_longopts[] = { |
252b5132 RH |
814 | {NULL, no_argument, NULL, 0} |
815 | }; | |
15c1449b | 816 | const size_t md_longopts_size = sizeof (md_longopts); |
252b5132 | 817 | |
69c040df AM |
818 | |
819 | /* Handle -m options that set cpu type, and .machine arg. */ | |
820 | ||
821 | static int | |
822 | parse_cpu (const char *arg) | |
823 | { | |
824 | /* -mpwrx and -mpwr2 mean to assemble for the IBM POWER/2 | |
825 | (RIOS2). */ | |
826 | if (strcmp (arg, "pwrx") == 0 || strcmp (arg, "pwr2") == 0) | |
827 | ppc_cpu = PPC_OPCODE_POWER | PPC_OPCODE_POWER2 | PPC_OPCODE_32; | |
828 | /* -mpwr means to assemble for the IBM POWER (RIOS1). */ | |
829 | else if (strcmp (arg, "pwr") == 0) | |
830 | ppc_cpu = PPC_OPCODE_POWER | PPC_OPCODE_32; | |
831 | /* -m601 means to assemble for the PowerPC 601, which includes | |
832 | instructions that are holdovers from the Power. */ | |
833 | else if (strcmp (arg, "601") == 0) | |
834 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
835 | | PPC_OPCODE_601 | PPC_OPCODE_32); | |
836 | /* -mppc, -mppc32, -m603, and -m604 mean to assemble for the | |
837 | PowerPC 603/604. */ | |
838 | else if (strcmp (arg, "ppc") == 0 | |
839 | || strcmp (arg, "ppc32") == 0 | |
840 | || strcmp (arg, "603") == 0 | |
841 | || strcmp (arg, "604") == 0) | |
842 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32; | |
843 | /* -m403 and -m405 mean to assemble for the PowerPC 403/405. */ | |
844 | else if (strcmp (arg, "403") == 0 | |
845 | || strcmp (arg, "405") == 0) | |
846 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
847 | | PPC_OPCODE_403 | PPC_OPCODE_32); | |
848 | else if (strcmp (arg, "440") == 0) | |
849 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32 | |
850 | | PPC_OPCODE_440 | PPC_OPCODE_ISEL | PPC_OPCODE_RFMCI); | |
851 | else if (strcmp (arg, "7400") == 0 | |
852 | || strcmp (arg, "7410") == 0 | |
853 | || strcmp (arg, "7450") == 0 | |
854 | || strcmp (arg, "7455") == 0) | |
855 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
856 | | PPC_OPCODE_ALTIVEC | PPC_OPCODE_32); | |
36ae0db3 DJ |
857 | else if (strcmp (arg, "e300") == 0) |
858 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32 | |
859 | | PPC_OPCODE_E300); | |
69c040df AM |
860 | else if (strcmp (arg, "altivec") == 0) |
861 | { | |
862 | if (ppc_cpu == 0) | |
863 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ALTIVEC; | |
864 | else | |
865 | ppc_cpu |= PPC_OPCODE_ALTIVEC; | |
866 | } | |
867 | else if (strcmp (arg, "e500") == 0 || strcmp (arg, "e500x2") == 0) | |
868 | { | |
869 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_SPE | |
870 | | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK | |
871 | | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | |
872 | | PPC_OPCODE_RFMCI); | |
873 | } | |
874 | else if (strcmp (arg, "spe") == 0) | |
875 | { | |
876 | if (ppc_cpu == 0) | |
877 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_SPE | PPC_OPCODE_EFS; | |
878 | else | |
879 | ppc_cpu |= PPC_OPCODE_SPE; | |
880 | } | |
881 | /* -mppc64 and -m620 mean to assemble for the 64-bit PowerPC | |
882 | 620. */ | |
883 | else if (strcmp (arg, "ppc64") == 0 || strcmp (arg, "620") == 0) | |
884 | { | |
885 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64; | |
886 | } | |
887 | else if (strcmp (arg, "ppc64bridge") == 0) | |
888 | { | |
889 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
890 | | PPC_OPCODE_64_BRIDGE | PPC_OPCODE_64); | |
891 | } | |
892 | /* -mbooke/-mbooke32 mean enable 32-bit BookE support. */ | |
893 | else if (strcmp (arg, "booke") == 0 || strcmp (arg, "booke32") == 0) | |
894 | { | |
895 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32; | |
896 | } | |
897 | /* -mbooke64 means enable 64-bit BookE support. */ | |
898 | else if (strcmp (arg, "booke64") == 0) | |
899 | { | |
900 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | |
901 | | PPC_OPCODE_BOOKE64 | PPC_OPCODE_64); | |
902 | } | |
903 | else if (strcmp (arg, "power4") == 0) | |
904 | { | |
905 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
906 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4); | |
907 | } | |
b0648eec AM |
908 | else if (strcmp (arg, "power5") == 0) |
909 | { | |
910 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
911 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | |
912 | | PPC_OPCODE_POWER5); | |
913 | } | |
9622b051 AM |
914 | else if (strcmp (arg, "power6") == 0) |
915 | { | |
916 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
917 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | |
918 | | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6); | |
919 | } | |
ede602d7 AM |
920 | else if (strcmp (arg, "cell") == 0) |
921 | { | |
922 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
923 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | |
924 | | PPC_OPCODE_CELL); | |
925 | } | |
69c040df AM |
926 | /* -mcom means assemble for the common intersection between Power |
927 | and PowerPC. At present, we just allow the union, rather | |
928 | than the intersection. */ | |
929 | else if (strcmp (arg, "com") == 0) | |
930 | ppc_cpu = PPC_OPCODE_COMMON | PPC_OPCODE_32; | |
931 | /* -many means to assemble for any architecture (PWR/PWRX/PPC). */ | |
932 | else if (strcmp (arg, "any") == 0) | |
933 | ppc_cpu |= PPC_OPCODE_ANY; | |
934 | else | |
935 | return 0; | |
936 | ||
937 | return 1; | |
938 | } | |
939 | ||
252b5132 RH |
940 | int |
941 | md_parse_option (c, arg) | |
942 | int c; | |
943 | char *arg; | |
944 | { | |
945 | switch (c) | |
946 | { | |
947 | case 'u': | |
948 | /* -u means that any undefined symbols should be treated as | |
949 | external, which is the default for gas anyhow. */ | |
950 | break; | |
951 | ||
952 | #ifdef OBJ_ELF | |
953 | case 'l': | |
954 | /* Solaris as takes -le (presumably for little endian). For completeness | |
99a814a1 | 955 | sake, recognize -be also. */ |
252b5132 RH |
956 | if (strcmp (arg, "e") == 0) |
957 | { | |
958 | target_big_endian = 0; | |
959 | set_target_endian = 1; | |
960 | } | |
961 | else | |
962 | return 0; | |
963 | ||
964 | break; | |
965 | ||
966 | case 'b': | |
967 | if (strcmp (arg, "e") == 0) | |
968 | { | |
969 | target_big_endian = 1; | |
970 | set_target_endian = 1; | |
971 | } | |
972 | else | |
973 | return 0; | |
974 | ||
975 | break; | |
976 | ||
977 | case 'K': | |
99a814a1 | 978 | /* Recognize -K PIC. */ |
252b5132 RH |
979 | if (strcmp (arg, "PIC") == 0 || strcmp (arg, "pic") == 0) |
980 | { | |
981 | shlib = SHLIB_PIC; | |
982 | ppc_flags |= EF_PPC_RELOCATABLE_LIB; | |
983 | } | |
984 | else | |
985 | return 0; | |
986 | ||
987 | break; | |
988 | #endif | |
989 | ||
7f6d05e8 CP |
990 | /* a64 and a32 determine whether to use XCOFF64 or XCOFF32. */ |
991 | case 'a': | |
992 | if (strcmp (arg, "64") == 0) | |
2a98c3a6 AM |
993 | { |
994 | #ifdef BFD64 | |
995 | ppc_obj64 = 1; | |
996 | #else | |
997 | as_fatal (_("%s unsupported"), "-a64"); | |
998 | #endif | |
999 | } | |
7f6d05e8 | 1000 | else if (strcmp (arg, "32") == 0) |
2b3c4602 | 1001 | ppc_obj64 = 0; |
7f6d05e8 CP |
1002 | else |
1003 | return 0; | |
1004 | break; | |
81d4177b | 1005 | |
252b5132 | 1006 | case 'm': |
69c040df AM |
1007 | if (parse_cpu (arg)) |
1008 | ; | |
252b5132 RH |
1009 | |
1010 | else if (strcmp (arg, "regnames") == 0) | |
b34976b6 | 1011 | reg_names_p = TRUE; |
252b5132 RH |
1012 | |
1013 | else if (strcmp (arg, "no-regnames") == 0) | |
b34976b6 | 1014 | reg_names_p = FALSE; |
252b5132 RH |
1015 | |
1016 | #ifdef OBJ_ELF | |
99a814a1 AM |
1017 | /* -mrelocatable/-mrelocatable-lib -- warn about initializations |
1018 | that require relocation. */ | |
252b5132 RH |
1019 | else if (strcmp (arg, "relocatable") == 0) |
1020 | { | |
5d6f4f16 | 1021 | shlib = SHLIB_MRELOCATABLE; |
252b5132 RH |
1022 | ppc_flags |= EF_PPC_RELOCATABLE; |
1023 | } | |
1024 | ||
1025 | else if (strcmp (arg, "relocatable-lib") == 0) | |
1026 | { | |
5d6f4f16 | 1027 | shlib = SHLIB_MRELOCATABLE; |
252b5132 RH |
1028 | ppc_flags |= EF_PPC_RELOCATABLE_LIB; |
1029 | } | |
1030 | ||
99a814a1 | 1031 | /* -memb, set embedded bit. */ |
252b5132 RH |
1032 | else if (strcmp (arg, "emb") == 0) |
1033 | ppc_flags |= EF_PPC_EMB; | |
1034 | ||
99a814a1 AM |
1035 | /* -mlittle/-mbig set the endianess. */ |
1036 | else if (strcmp (arg, "little") == 0 | |
1037 | || strcmp (arg, "little-endian") == 0) | |
252b5132 RH |
1038 | { |
1039 | target_big_endian = 0; | |
1040 | set_target_endian = 1; | |
1041 | } | |
1042 | ||
1043 | else if (strcmp (arg, "big") == 0 || strcmp (arg, "big-endian") == 0) | |
1044 | { | |
1045 | target_big_endian = 1; | |
1046 | set_target_endian = 1; | |
1047 | } | |
1048 | ||
1049 | else if (strcmp (arg, "solaris") == 0) | |
1050 | { | |
b34976b6 | 1051 | msolaris = TRUE; |
252b5132 RH |
1052 | ppc_comment_chars = ppc_solaris_comment_chars; |
1053 | } | |
1054 | ||
1055 | else if (strcmp (arg, "no-solaris") == 0) | |
1056 | { | |
b34976b6 | 1057 | msolaris = FALSE; |
252b5132 RH |
1058 | ppc_comment_chars = ppc_eabi_comment_chars; |
1059 | } | |
1060 | #endif | |
1061 | else | |
1062 | { | |
1063 | as_bad (_("invalid switch -m%s"), arg); | |
1064 | return 0; | |
1065 | } | |
1066 | break; | |
1067 | ||
1068 | #ifdef OBJ_ELF | |
1069 | /* -V: SVR4 argument to print version ID. */ | |
1070 | case 'V': | |
1071 | print_version_id (); | |
1072 | break; | |
1073 | ||
1074 | /* -Qy, -Qn: SVR4 arguments controlling whether a .comment section | |
1075 | should be emitted or not. FIXME: Not implemented. */ | |
1076 | case 'Q': | |
1077 | break; | |
1078 | ||
1079 | /* Solaris takes -s to specify that .stabs go in a .stabs section, | |
1080 | rather than .stabs.excl, which is ignored by the linker. | |
1081 | FIXME: Not implemented. */ | |
1082 | case 's': | |
1083 | if (arg) | |
1084 | return 0; | |
1085 | ||
1086 | break; | |
1087 | #endif | |
1088 | ||
1089 | default: | |
1090 | return 0; | |
1091 | } | |
1092 | ||
1093 | return 1; | |
1094 | } | |
1095 | ||
1096 | void | |
1097 | md_show_usage (stream) | |
1098 | FILE *stream; | |
1099 | { | |
bc805888 | 1100 | fprintf (stream, _("\ |
252b5132 | 1101 | PowerPC options:\n\ |
df12615d AM |
1102 | -a32 generate ELF32/XCOFF32\n\ |
1103 | -a64 generate ELF64/XCOFF64\n\ | |
252b5132 | 1104 | -u ignored\n\ |
23e1d84c AM |
1105 | -mpwrx, -mpwr2 generate code for POWER/2 (RIOS2)\n\ |
1106 | -mpwr generate code for POWER (RIOS1)\n\ | |
1107 | -m601 generate code for PowerPC 601\n\ | |
418c1742 | 1108 | -mppc, -mppc32, -m603, -m604\n\ |
23e1d84c | 1109 | generate code for PowerPC 603/604\n\ |
df12615d | 1110 | -m403, -m405 generate code for PowerPC 403/405\n\ |
3d8aea2f | 1111 | -m440 generate code for PowerPC 440\n\ |
f5c120c5 | 1112 | -m7400, -m7410, -m7450, -m7455\n\ |
df12615d AM |
1113 | generate code For PowerPC 7400/7410/7450/7455\n")); |
1114 | fprintf (stream, _("\ | |
23e1d84c | 1115 | -mppc64, -m620 generate code for PowerPC 620/625/630\n\ |
d0e9a01c | 1116 | -mppc64bridge generate code for PowerPC 64, including bridge insns\n\ |
a09cf9bd MG |
1117 | -mbooke64 generate code for 64-bit PowerPC BookE\n\ |
1118 | -mbooke, mbooke32 generate code for 32-bit PowerPC BookE\n\ | |
23e1d84c | 1119 | -mpower4 generate code for Power4 architecture\n\ |
b0648eec | 1120 | -mpower5 generate code for Power5 architecture\n\ |
9622b051 | 1121 | -mpower6 generate code for Power6 architecture\n\ |
ede602d7 | 1122 | -mcell generate code for Cell Broadband Engine architecture\n\ |
252b5132 | 1123 | -mcom generate code Power/PowerPC common instructions\n\ |
df12615d | 1124 | -many generate code for any architecture (PWR/PWRX/PPC)\n")); |
6a0c61b7 | 1125 | fprintf (stream, _("\ |
df12615d | 1126 | -maltivec generate code for AltiVec\n\ |
36ae0db3 | 1127 | -me300 generate code for PowerPC e300 family\n\ |
6a0c61b7 | 1128 | -me500, -me500x2 generate code for Motorola e500 core complex\n\ |
df12615d AM |
1129 | -mspe generate code for Motorola SPE instructions\n\ |
1130 | -mregnames Allow symbolic names for registers\n\ | |
1131 | -mno-regnames Do not allow symbolic names for registers\n")); | |
252b5132 | 1132 | #ifdef OBJ_ELF |
bc805888 | 1133 | fprintf (stream, _("\ |
252b5132 RH |
1134 | -mrelocatable support for GCC's -mrelocatble option\n\ |
1135 | -mrelocatable-lib support for GCC's -mrelocatble-lib option\n\ | |
1136 | -memb set PPC_EMB bit in ELF flags\n\ | |
df12615d | 1137 | -mlittle, -mlittle-endian, -l, -le\n\ |
252b5132 | 1138 | generate code for a little endian machine\n\ |
df12615d AM |
1139 | -mbig, -mbig-endian, -b, -be\n\ |
1140 | generate code for a big endian machine\n\ | |
252b5132 RH |
1141 | -msolaris generate code for Solaris\n\ |
1142 | -mno-solaris do not generate code for Solaris\n\ | |
1143 | -V print assembler version number\n\ | |
1144 | -Qy, -Qn ignored\n")); | |
1145 | #endif | |
1146 | } | |
1147 | \f | |
1148 | /* Set ppc_cpu if it is not already set. */ | |
1149 | ||
1150 | static void | |
1151 | ppc_set_cpu () | |
1152 | { | |
1153 | const char *default_os = TARGET_OS; | |
1154 | const char *default_cpu = TARGET_CPU; | |
1155 | ||
3c9030c1 | 1156 | if ((ppc_cpu & ~PPC_OPCODE_ANY) == 0) |
252b5132 | 1157 | { |
2a98c3a6 | 1158 | if (ppc_obj64) |
3c9030c1 | 1159 | ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64; |
2a98c3a6 AM |
1160 | else if (strncmp (default_os, "aix", 3) == 0 |
1161 | && default_os[3] >= '4' && default_os[3] <= '9') | |
3c9030c1 | 1162 | ppc_cpu |= PPC_OPCODE_COMMON | PPC_OPCODE_32; |
252b5132 | 1163 | else if (strncmp (default_os, "aix3", 4) == 0) |
3c9030c1 | 1164 | ppc_cpu |= PPC_OPCODE_POWER | PPC_OPCODE_32; |
252b5132 | 1165 | else if (strcmp (default_cpu, "rs6000") == 0) |
3c9030c1 | 1166 | ppc_cpu |= PPC_OPCODE_POWER | PPC_OPCODE_32; |
0baf16f2 | 1167 | else if (strncmp (default_cpu, "powerpc", 7) == 0) |
23d36e92 | 1168 | ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32; |
252b5132 | 1169 | else |
99a814a1 AM |
1170 | as_fatal (_("Unknown default cpu = %s, os = %s"), |
1171 | default_cpu, default_os); | |
252b5132 RH |
1172 | } |
1173 | } | |
1174 | ||
9232bbb0 AM |
1175 | /* Figure out the BFD architecture to use. This function and ppc_mach |
1176 | are called well before md_begin, when the output file is opened. */ | |
252b5132 RH |
1177 | |
1178 | enum bfd_architecture | |
1179 | ppc_arch () | |
1180 | { | |
1181 | const char *default_cpu = TARGET_CPU; | |
1182 | ppc_set_cpu (); | |
1183 | ||
1184 | if ((ppc_cpu & PPC_OPCODE_PPC) != 0) | |
1185 | return bfd_arch_powerpc; | |
1186 | else if ((ppc_cpu & PPC_OPCODE_POWER) != 0) | |
1187 | return bfd_arch_rs6000; | |
1188 | else if ((ppc_cpu & (PPC_OPCODE_COMMON | PPC_OPCODE_ANY)) != 0) | |
1189 | { | |
1190 | if (strcmp (default_cpu, "rs6000") == 0) | |
1191 | return bfd_arch_rs6000; | |
0baf16f2 | 1192 | else if (strncmp (default_cpu, "powerpc", 7) == 0) |
252b5132 RH |
1193 | return bfd_arch_powerpc; |
1194 | } | |
1195 | ||
1196 | as_fatal (_("Neither Power nor PowerPC opcodes were selected.")); | |
1197 | return bfd_arch_unknown; | |
1198 | } | |
1199 | ||
7f6d05e8 CP |
1200 | unsigned long |
1201 | ppc_mach () | |
1202 | { | |
2a98c3a6 AM |
1203 | if (ppc_obj64) |
1204 | return bfd_mach_ppc64; | |
1205 | else if (ppc_arch () == bfd_arch_rs6000) | |
1206 | return bfd_mach_rs6k; | |
1207 | else | |
1208 | return bfd_mach_ppc; | |
7f6d05e8 CP |
1209 | } |
1210 | ||
81d4177b | 1211 | extern char* |
99a814a1 | 1212 | ppc_target_format () |
7f6d05e8 CP |
1213 | { |
1214 | #ifdef OBJ_COFF | |
1215 | #ifdef TE_PE | |
99a814a1 | 1216 | return target_big_endian ? "pe-powerpc" : "pe-powerpcle"; |
7f6d05e8 | 1217 | #elif TE_POWERMAC |
0baf16f2 | 1218 | return "xcoff-powermac"; |
7f6d05e8 | 1219 | #else |
eb1e0e80 | 1220 | # ifdef TE_AIX5 |
2b3c4602 | 1221 | return (ppc_obj64 ? "aix5coff64-rs6000" : "aixcoff-rs6000"); |
eb1e0e80 | 1222 | # else |
2b3c4602 | 1223 | return (ppc_obj64 ? "aixcoff64-rs6000" : "aixcoff-rs6000"); |
eb1e0e80 | 1224 | # endif |
7f6d05e8 | 1225 | #endif |
7f6d05e8 CP |
1226 | #endif |
1227 | #ifdef OBJ_ELF | |
9d8504b1 PB |
1228 | # ifdef TE_VXWORKS |
1229 | return "elf32-powerpc-vxworks"; | |
1230 | # else | |
0baf16f2 | 1231 | return (target_big_endian |
2b3c4602 AM |
1232 | ? (ppc_obj64 ? "elf64-powerpc" : "elf32-powerpc") |
1233 | : (ppc_obj64 ? "elf64-powerpcle" : "elf32-powerpcle")); | |
9d8504b1 | 1234 | # endif |
7f6d05e8 CP |
1235 | #endif |
1236 | } | |
1237 | ||
69c040df AM |
1238 | /* Insert opcodes and macros into hash tables. Called at startup and |
1239 | for .cpu pseudo. */ | |
252b5132 | 1240 | |
69c040df AM |
1241 | static void |
1242 | ppc_setup_opcodes (void) | |
252b5132 RH |
1243 | { |
1244 | register const struct powerpc_opcode *op; | |
1245 | const struct powerpc_opcode *op_end; | |
1246 | const struct powerpc_macro *macro; | |
1247 | const struct powerpc_macro *macro_end; | |
b84bf58a | 1248 | bfd_boolean bad_insn = FALSE; |
252b5132 | 1249 | |
69c040df AM |
1250 | if (ppc_hash != NULL) |
1251 | hash_die (ppc_hash); | |
1252 | if (ppc_macro_hash != NULL) | |
1253 | hash_die (ppc_macro_hash); | |
252b5132 RH |
1254 | |
1255 | /* Insert the opcodes into a hash table. */ | |
1256 | ppc_hash = hash_new (); | |
1257 | ||
c43a438d | 1258 | if (ENABLE_CHECKING) |
b84bf58a | 1259 | { |
c43a438d | 1260 | unsigned int i; |
b84bf58a | 1261 | |
c43a438d AM |
1262 | /* Check operand masks. Code here and in the disassembler assumes |
1263 | all the 1's in the mask are contiguous. */ | |
1264 | for (i = 0; i < num_powerpc_operands; ++i) | |
b84bf58a | 1265 | { |
c43a438d AM |
1266 | unsigned long mask = powerpc_operands[i].bitm; |
1267 | unsigned long right_bit; | |
1268 | unsigned int j; | |
1269 | ||
1270 | right_bit = mask & -mask; | |
1271 | mask += right_bit; | |
1272 | right_bit = mask & -mask; | |
1273 | if (mask != right_bit) | |
1274 | { | |
1275 | as_bad (_("powerpc_operands[%d].bitm invalid"), i); | |
1276 | bad_insn = TRUE; | |
1277 | } | |
1278 | for (j = i + 1; j < num_powerpc_operands; ++j) | |
1279 | if (memcmp (&powerpc_operands[i], &powerpc_operands[j], | |
1280 | sizeof (powerpc_operands[0])) == 0) | |
1281 | { | |
1282 | as_bad (_("powerpc_operands[%d] duplicates powerpc_operands[%d]"), | |
1283 | j, i); | |
1284 | bad_insn = TRUE; | |
1285 | } | |
b84bf58a AM |
1286 | } |
1287 | } | |
1288 | ||
252b5132 RH |
1289 | op_end = powerpc_opcodes + powerpc_num_opcodes; |
1290 | for (op = powerpc_opcodes; op < op_end; op++) | |
1291 | { | |
c43a438d | 1292 | if (ENABLE_CHECKING) |
b84bf58a | 1293 | { |
c43a438d AM |
1294 | const unsigned char *o; |
1295 | unsigned long omask = op->mask; | |
1296 | ||
1297 | /* The mask had better not trim off opcode bits. */ | |
1298 | if ((op->opcode & omask) != op->opcode) | |
1299 | { | |
1300 | as_bad (_("mask trims opcode bits for %s"), | |
1301 | op->name); | |
1302 | bad_insn = TRUE; | |
1303 | } | |
1304 | ||
1305 | /* The operands must not overlap the opcode or each other. */ | |
1306 | for (o = op->operands; *o; ++o) | |
1307 | if (*o >= num_powerpc_operands) | |
1308 | { | |
1309 | as_bad (_("operand index error for %s"), | |
1310 | op->name); | |
1311 | bad_insn = TRUE; | |
1312 | } | |
1313 | else | |
b84bf58a | 1314 | { |
c43a438d AM |
1315 | const struct powerpc_operand *operand = &powerpc_operands[*o]; |
1316 | if (operand->shift >= 0) | |
b84bf58a | 1317 | { |
c43a438d AM |
1318 | unsigned long mask = operand->bitm << operand->shift; |
1319 | if (omask & mask) | |
1320 | { | |
1321 | as_bad (_("operand %d overlap in %s"), | |
1322 | (int) (o - op->operands), op->name); | |
1323 | bad_insn = TRUE; | |
1324 | } | |
1325 | omask |= mask; | |
b84bf58a | 1326 | } |
b84bf58a | 1327 | } |
c43a438d | 1328 | } |
252b5132 | 1329 | |
2b3c4602 | 1330 | if ((op->flags & ppc_cpu & ~(PPC_OPCODE_32 | PPC_OPCODE_64)) != 0 |
252b5132 | 1331 | && ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64)) == 0 |
2b3c4602 AM |
1332 | || ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64)) |
1333 | == (ppc_cpu & (PPC_OPCODE_32 | PPC_OPCODE_64))) | |
23e1d84c | 1334 | || (ppc_cpu & PPC_OPCODE_64_BRIDGE) != 0) |
341026c1 NC |
1335 | /* Certain instructions (eg: extsw) do not exist in the |
1336 | 32-bit BookE instruction set, but they do exist in the | |
1337 | 64-bit BookE instruction set, and other PPC instruction | |
1338 | sets. Check to see if the opcode has the BOOKE64 flag set. | |
1339 | If it does make sure that the target CPU is not the BookE32. */ | |
1340 | && ((op->flags & PPC_OPCODE_BOOKE64) == 0 | |
1341 | || (ppc_cpu & PPC_OPCODE_BOOKE64) == PPC_OPCODE_BOOKE64 | |
1342 | || (ppc_cpu & PPC_OPCODE_BOOKE) == 0) | |
23e1d84c AM |
1343 | && ((op->flags & (PPC_OPCODE_POWER4 | PPC_OPCODE_NOPOWER4)) == 0 |
1344 | || ((op->flags & PPC_OPCODE_POWER4) | |
b0648eec AM |
1345 | == (ppc_cpu & PPC_OPCODE_POWER4))) |
1346 | && ((op->flags & PPC_OPCODE_POWER5) == 0 | |
1347 | || ((op->flags & PPC_OPCODE_POWER5) | |
9622b051 AM |
1348 | == (ppc_cpu & PPC_OPCODE_POWER5))) |
1349 | && ((op->flags & PPC_OPCODE_POWER6) == 0 | |
1350 | || ((op->flags & PPC_OPCODE_POWER6) | |
1351 | == (ppc_cpu & PPC_OPCODE_POWER6)))) | |
252b5132 RH |
1352 | { |
1353 | const char *retval; | |
1354 | ||
1355 | retval = hash_insert (ppc_hash, op->name, (PTR) op); | |
69c040df | 1356 | if (retval != NULL) |
252b5132 | 1357 | { |
99a814a1 | 1358 | /* Ignore Power duplicates for -m601. */ |
252b5132 RH |
1359 | if ((ppc_cpu & PPC_OPCODE_601) != 0 |
1360 | && (op->flags & PPC_OPCODE_POWER) != 0) | |
1361 | continue; | |
1362 | ||
b84bf58a | 1363 | as_bad (_("duplicate instruction %s"), |
99a814a1 | 1364 | op->name); |
b84bf58a | 1365 | bad_insn = TRUE; |
252b5132 RH |
1366 | } |
1367 | } | |
1368 | } | |
1369 | ||
3c9030c1 AM |
1370 | if ((ppc_cpu & PPC_OPCODE_ANY) != 0) |
1371 | for (op = powerpc_opcodes; op < op_end; op++) | |
1372 | hash_insert (ppc_hash, op->name, (PTR) op); | |
1373 | ||
252b5132 RH |
1374 | /* Insert the macros into a hash table. */ |
1375 | ppc_macro_hash = hash_new (); | |
1376 | ||
1377 | macro_end = powerpc_macros + powerpc_num_macros; | |
1378 | for (macro = powerpc_macros; macro < macro_end; macro++) | |
1379 | { | |
1380 | if ((macro->flags & ppc_cpu) != 0) | |
1381 | { | |
1382 | const char *retval; | |
1383 | ||
1384 | retval = hash_insert (ppc_macro_hash, macro->name, (PTR) macro); | |
1385 | if (retval != (const char *) NULL) | |
1386 | { | |
b84bf58a AM |
1387 | as_bad (_("duplicate macro %s"), macro->name); |
1388 | bad_insn = TRUE; | |
252b5132 RH |
1389 | } |
1390 | } | |
1391 | } | |
1392 | ||
b84bf58a | 1393 | if (bad_insn) |
252b5132 | 1394 | abort (); |
69c040df AM |
1395 | } |
1396 | ||
1397 | /* This function is called when the assembler starts up. It is called | |
1398 | after the options have been parsed and the output file has been | |
1399 | opened. */ | |
1400 | ||
1401 | void | |
1402 | md_begin () | |
1403 | { | |
1404 | ppc_set_cpu (); | |
1405 | ||
1406 | ppc_cie_data_alignment = ppc_obj64 ? -8 : -4; | |
1407 | ||
1408 | #ifdef OBJ_ELF | |
1409 | /* Set the ELF flags if desired. */ | |
1410 | if (ppc_flags && !msolaris) | |
1411 | bfd_set_private_flags (stdoutput, ppc_flags); | |
1412 | #endif | |
1413 | ||
1414 | ppc_setup_opcodes (); | |
252b5132 | 1415 | |
67c1ffbe | 1416 | /* Tell the main code what the endianness is if it is not overridden |
99a814a1 | 1417 | by the user. */ |
252b5132 RH |
1418 | if (!set_target_endian) |
1419 | { | |
1420 | set_target_endian = 1; | |
1421 | target_big_endian = PPC_BIG_ENDIAN; | |
1422 | } | |
1423 | ||
1424 | #ifdef OBJ_XCOFF | |
1425 | ppc_coff_debug_section = coff_section_from_bfd_index (stdoutput, N_DEBUG); | |
1426 | ||
1427 | /* Create dummy symbols to serve as initial csects. This forces the | |
1428 | text csects to precede the data csects. These symbols will not | |
1429 | be output. */ | |
1430 | ppc_text_csects = symbol_make ("dummy\001"); | |
809ffe0d | 1431 | symbol_get_tc (ppc_text_csects)->within = ppc_text_csects; |
252b5132 | 1432 | ppc_data_csects = symbol_make ("dummy\001"); |
809ffe0d | 1433 | symbol_get_tc (ppc_data_csects)->within = ppc_data_csects; |
252b5132 RH |
1434 | #endif |
1435 | ||
1436 | #ifdef TE_PE | |
1437 | ||
1438 | ppc_current_section = text_section; | |
81d4177b | 1439 | ppc_previous_section = 0; |
252b5132 RH |
1440 | |
1441 | #endif | |
1442 | } | |
1443 | ||
6a0c61b7 EZ |
1444 | void |
1445 | ppc_cleanup () | |
1446 | { | |
dc1d03fc | 1447 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
1448 | if (ppc_apuinfo_list == NULL) |
1449 | return; | |
1450 | ||
1451 | /* Ok, so write the section info out. We have this layout: | |
1452 | ||
1453 | byte data what | |
1454 | ---- ---- ---- | |
1455 | 0 8 length of "APUinfo\0" | |
1456 | 4 (n*4) number of APU's (4 bytes each) | |
1457 | 8 2 note type 2 | |
1458 | 12 "APUinfo\0" name | |
1459 | 20 APU#1 first APU's info | |
1460 | 24 APU#2 second APU's info | |
1461 | ... ... | |
1462 | */ | |
1463 | { | |
1464 | char *p; | |
1465 | asection *seg = now_seg; | |
1466 | subsegT subseg = now_subseg; | |
1467 | asection *apuinfo_secp = (asection *) NULL; | |
49181a6a | 1468 | unsigned int i; |
6a0c61b7 EZ |
1469 | |
1470 | /* Create the .PPC.EMB.apuinfo section. */ | |
1471 | apuinfo_secp = subseg_new (".PPC.EMB.apuinfo", 0); | |
1472 | bfd_set_section_flags (stdoutput, | |
1473 | apuinfo_secp, | |
e1a9cb8e | 1474 | SEC_HAS_CONTENTS | SEC_READONLY); |
6a0c61b7 EZ |
1475 | |
1476 | p = frag_more (4); | |
1477 | md_number_to_chars (p, (valueT) 8, 4); | |
1478 | ||
1479 | p = frag_more (4); | |
e98d298c | 1480 | md_number_to_chars (p, (valueT) ppc_apuinfo_num * 4, 4); |
6a0c61b7 EZ |
1481 | |
1482 | p = frag_more (4); | |
1483 | md_number_to_chars (p, (valueT) 2, 4); | |
1484 | ||
1485 | p = frag_more (8); | |
1486 | strcpy (p, "APUinfo"); | |
1487 | ||
1488 | for (i = 0; i < ppc_apuinfo_num; i++) | |
1489 | { | |
b34976b6 AM |
1490 | p = frag_more (4); |
1491 | md_number_to_chars (p, (valueT) ppc_apuinfo_list[i], 4); | |
6a0c61b7 EZ |
1492 | } |
1493 | ||
1494 | frag_align (2, 0, 0); | |
1495 | ||
1496 | /* We probably can't restore the current segment, for there likely | |
1497 | isn't one yet... */ | |
1498 | if (seg && subseg) | |
1499 | subseg_set (seg, subseg); | |
1500 | } | |
dc1d03fc | 1501 | #endif |
6a0c61b7 EZ |
1502 | } |
1503 | ||
252b5132 RH |
1504 | /* Insert an operand value into an instruction. */ |
1505 | ||
1506 | static unsigned long | |
a1867a27 AM |
1507 | ppc_insert_operand (unsigned long insn, |
1508 | const struct powerpc_operand *operand, | |
1509 | offsetT val, | |
1510 | char *file, | |
1511 | unsigned int line) | |
252b5132 | 1512 | { |
b84bf58a | 1513 | long min, max, right; |
eb42fac1 | 1514 | |
b84bf58a AM |
1515 | max = operand->bitm; |
1516 | right = max & -max; | |
1517 | min = 0; | |
1518 | ||
1519 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
252b5132 | 1520 | { |
b84bf58a | 1521 | if ((operand->flags & PPC_OPERAND_SIGNOPT) == 0) |
931774a9 AM |
1522 | max = (max >> 1) & -right; |
1523 | min = ~max & -right; | |
b84bf58a | 1524 | } |
252b5132 | 1525 | |
b84bf58a | 1526 | if ((operand->flags & PPC_OPERAND_PLUS1) != 0) |
3896c469 | 1527 | max++; |
252b5132 | 1528 | |
b84bf58a | 1529 | if ((operand->flags & PPC_OPERAND_NEGATIVE) != 0) |
a1867a27 AM |
1530 | { |
1531 | long tmp = min; | |
1532 | min = -max; | |
1533 | max = -tmp; | |
1534 | } | |
b84bf58a | 1535 | |
a1867a27 AM |
1536 | if (min <= max) |
1537 | { | |
1538 | /* Some people write constants with the sign extension done by | |
1539 | hand but only up to 32 bits. This shouldn't really be valid, | |
1540 | but, to permit this code to assemble on a 64-bit host, we | |
1541 | sign extend the 32-bit value to 64 bits if so doing makes the | |
1542 | value valid. */ | |
1543 | if (val > max | |
1544 | && (offsetT) (val - 0x80000000 - 0x80000000) >= min | |
1545 | && (offsetT) (val - 0x80000000 - 0x80000000) <= max | |
1546 | && ((val - 0x80000000 - 0x80000000) & (right - 1)) == 0) | |
1547 | val = val - 0x80000000 - 0x80000000; | |
1548 | ||
1549 | /* Similarly, people write expressions like ~(1<<15), and expect | |
1550 | this to be OK for a 32-bit unsigned value. */ | |
1551 | else if (val < min | |
1552 | && (offsetT) (val + 0x80000000 + 0x80000000) >= min | |
1553 | && (offsetT) (val + 0x80000000 + 0x80000000) <= max | |
1554 | && ((val + 0x80000000 + 0x80000000) & (right - 1)) == 0) | |
1555 | val = val + 0x80000000 + 0x80000000; | |
1556 | ||
1557 | else if (val < min | |
1558 | || val > max | |
1559 | || (val & (right - 1)) != 0) | |
1560 | as_bad_value_out_of_range (_("operand"), val, min, max, file, line); | |
1561 | } | |
b84bf58a | 1562 | |
252b5132 RH |
1563 | if (operand->insert) |
1564 | { | |
1565 | const char *errmsg; | |
1566 | ||
1567 | errmsg = NULL; | |
2b3c4602 | 1568 | insn = (*operand->insert) (insn, (long) val, ppc_cpu, &errmsg); |
252b5132 | 1569 | if (errmsg != (const char *) NULL) |
0baf16f2 | 1570 | as_bad_where (file, line, errmsg); |
252b5132 RH |
1571 | } |
1572 | else | |
b84bf58a | 1573 | insn |= ((long) val & operand->bitm) << operand->shift; |
252b5132 RH |
1574 | |
1575 | return insn; | |
1576 | } | |
1577 | ||
1578 | \f | |
1579 | #ifdef OBJ_ELF | |
1580 | /* Parse @got, etc. and return the desired relocation. */ | |
1581 | static bfd_reloc_code_real_type | |
1582 | ppc_elf_suffix (str_p, exp_p) | |
1583 | char **str_p; | |
1584 | expressionS *exp_p; | |
1585 | { | |
1586 | struct map_bfd { | |
1587 | char *string; | |
b7d7dc63 AM |
1588 | unsigned int length : 8; |
1589 | unsigned int valid32 : 1; | |
1590 | unsigned int valid64 : 1; | |
1591 | unsigned int reloc; | |
252b5132 RH |
1592 | }; |
1593 | ||
1594 | char ident[20]; | |
1595 | char *str = *str_p; | |
1596 | char *str2; | |
1597 | int ch; | |
1598 | int len; | |
15c1449b | 1599 | const struct map_bfd *ptr; |
252b5132 | 1600 | |
b7d7dc63 AM |
1601 | #define MAP(str, reloc) { str, sizeof (str) - 1, 1, 1, reloc } |
1602 | #define MAP32(str, reloc) { str, sizeof (str) - 1, 1, 0, reloc } | |
1603 | #define MAP64(str, reloc) { str, sizeof (str) - 1, 0, 1, reloc } | |
252b5132 | 1604 | |
15c1449b | 1605 | static const struct map_bfd mapping[] = { |
b7d7dc63 AM |
1606 | MAP ("l", BFD_RELOC_LO16), |
1607 | MAP ("h", BFD_RELOC_HI16), | |
1608 | MAP ("ha", BFD_RELOC_HI16_S), | |
1609 | MAP ("brtaken", BFD_RELOC_PPC_B16_BRTAKEN), | |
1610 | MAP ("brntaken", BFD_RELOC_PPC_B16_BRNTAKEN), | |
1611 | MAP ("got", BFD_RELOC_16_GOTOFF), | |
1612 | MAP ("got@l", BFD_RELOC_LO16_GOTOFF), | |
1613 | MAP ("got@h", BFD_RELOC_HI16_GOTOFF), | |
1614 | MAP ("got@ha", BFD_RELOC_HI16_S_GOTOFF), | |
1615 | MAP ("plt@l", BFD_RELOC_LO16_PLTOFF), | |
1616 | MAP ("plt@h", BFD_RELOC_HI16_PLTOFF), | |
1617 | MAP ("plt@ha", BFD_RELOC_HI16_S_PLTOFF), | |
1618 | MAP ("copy", BFD_RELOC_PPC_COPY), | |
1619 | MAP ("globdat", BFD_RELOC_PPC_GLOB_DAT), | |
1620 | MAP ("sectoff", BFD_RELOC_16_BASEREL), | |
1621 | MAP ("sectoff@l", BFD_RELOC_LO16_BASEREL), | |
1622 | MAP ("sectoff@h", BFD_RELOC_HI16_BASEREL), | |
1623 | MAP ("sectoff@ha", BFD_RELOC_HI16_S_BASEREL), | |
1624 | MAP ("tls", BFD_RELOC_PPC_TLS), | |
1625 | MAP ("dtpmod", BFD_RELOC_PPC_DTPMOD), | |
1626 | MAP ("dtprel", BFD_RELOC_PPC_DTPREL), | |
1627 | MAP ("dtprel@l", BFD_RELOC_PPC_DTPREL16_LO), | |
1628 | MAP ("dtprel@h", BFD_RELOC_PPC_DTPREL16_HI), | |
1629 | MAP ("dtprel@ha", BFD_RELOC_PPC_DTPREL16_HA), | |
1630 | MAP ("tprel", BFD_RELOC_PPC_TPREL), | |
1631 | MAP ("tprel@l", BFD_RELOC_PPC_TPREL16_LO), | |
1632 | MAP ("tprel@h", BFD_RELOC_PPC_TPREL16_HI), | |
1633 | MAP ("tprel@ha", BFD_RELOC_PPC_TPREL16_HA), | |
1634 | MAP ("got@tlsgd", BFD_RELOC_PPC_GOT_TLSGD16), | |
1635 | MAP ("got@tlsgd@l", BFD_RELOC_PPC_GOT_TLSGD16_LO), | |
1636 | MAP ("got@tlsgd@h", BFD_RELOC_PPC_GOT_TLSGD16_HI), | |
1637 | MAP ("got@tlsgd@ha", BFD_RELOC_PPC_GOT_TLSGD16_HA), | |
1638 | MAP ("got@tlsld", BFD_RELOC_PPC_GOT_TLSLD16), | |
1639 | MAP ("got@tlsld@l", BFD_RELOC_PPC_GOT_TLSLD16_LO), | |
1640 | MAP ("got@tlsld@h", BFD_RELOC_PPC_GOT_TLSLD16_HI), | |
1641 | MAP ("got@tlsld@ha", BFD_RELOC_PPC_GOT_TLSLD16_HA), | |
1642 | MAP ("got@dtprel", BFD_RELOC_PPC_GOT_DTPREL16), | |
1643 | MAP ("got@dtprel@l", BFD_RELOC_PPC_GOT_DTPREL16_LO), | |
1644 | MAP ("got@dtprel@h", BFD_RELOC_PPC_GOT_DTPREL16_HI), | |
1645 | MAP ("got@dtprel@ha", BFD_RELOC_PPC_GOT_DTPREL16_HA), | |
1646 | MAP ("got@tprel", BFD_RELOC_PPC_GOT_TPREL16), | |
1647 | MAP ("got@tprel@l", BFD_RELOC_PPC_GOT_TPREL16_LO), | |
1648 | MAP ("got@tprel@h", BFD_RELOC_PPC_GOT_TPREL16_HI), | |
1649 | MAP ("got@tprel@ha", BFD_RELOC_PPC_GOT_TPREL16_HA), | |
1650 | MAP32 ("fixup", BFD_RELOC_CTOR), | |
1651 | MAP32 ("plt", BFD_RELOC_24_PLT_PCREL), | |
1652 | MAP32 ("pltrel24", BFD_RELOC_24_PLT_PCREL), | |
1653 | MAP32 ("local24pc", BFD_RELOC_PPC_LOCAL24PC), | |
1654 | MAP32 ("local", BFD_RELOC_PPC_LOCAL24PC), | |
1655 | MAP32 ("pltrel", BFD_RELOC_32_PLT_PCREL), | |
1656 | MAP32 ("sdarel", BFD_RELOC_GPREL16), | |
1657 | MAP32 ("naddr", BFD_RELOC_PPC_EMB_NADDR32), | |
1658 | MAP32 ("naddr16", BFD_RELOC_PPC_EMB_NADDR16), | |
1659 | MAP32 ("naddr@l", BFD_RELOC_PPC_EMB_NADDR16_LO), | |
1660 | MAP32 ("naddr@h", BFD_RELOC_PPC_EMB_NADDR16_HI), | |
1661 | MAP32 ("naddr@ha", BFD_RELOC_PPC_EMB_NADDR16_HA), | |
1662 | MAP32 ("sdai16", BFD_RELOC_PPC_EMB_SDAI16), | |
1663 | MAP32 ("sda2rel", BFD_RELOC_PPC_EMB_SDA2REL), | |
1664 | MAP32 ("sda2i16", BFD_RELOC_PPC_EMB_SDA2I16), | |
1665 | MAP32 ("sda21", BFD_RELOC_PPC_EMB_SDA21), | |
1666 | MAP32 ("mrkref", BFD_RELOC_PPC_EMB_MRKREF), | |
1667 | MAP32 ("relsect", BFD_RELOC_PPC_EMB_RELSEC16), | |
1668 | MAP32 ("relsect@l", BFD_RELOC_PPC_EMB_RELST_LO), | |
1669 | MAP32 ("relsect@h", BFD_RELOC_PPC_EMB_RELST_HI), | |
1670 | MAP32 ("relsect@ha", BFD_RELOC_PPC_EMB_RELST_HA), | |
1671 | MAP32 ("bitfld", BFD_RELOC_PPC_EMB_BIT_FLD), | |
1672 | MAP32 ("relsda", BFD_RELOC_PPC_EMB_RELSDA), | |
1673 | MAP32 ("xgot", BFD_RELOC_PPC_TOC16), | |
1674 | MAP64 ("higher", BFD_RELOC_PPC64_HIGHER), | |
1675 | MAP64 ("highera", BFD_RELOC_PPC64_HIGHER_S), | |
1676 | MAP64 ("highest", BFD_RELOC_PPC64_HIGHEST), | |
1677 | MAP64 ("highesta", BFD_RELOC_PPC64_HIGHEST_S), | |
1678 | MAP64 ("tocbase", BFD_RELOC_PPC64_TOC), | |
1679 | MAP64 ("toc", BFD_RELOC_PPC_TOC16), | |
1680 | MAP64 ("toc@l", BFD_RELOC_PPC64_TOC16_LO), | |
1681 | MAP64 ("toc@h", BFD_RELOC_PPC64_TOC16_HI), | |
1682 | MAP64 ("toc@ha", BFD_RELOC_PPC64_TOC16_HA), | |
1683 | MAP64 ("dtprel@higher", BFD_RELOC_PPC64_DTPREL16_HIGHER), | |
1684 | MAP64 ("dtprel@highera", BFD_RELOC_PPC64_DTPREL16_HIGHERA), | |
1685 | MAP64 ("dtprel@highest", BFD_RELOC_PPC64_DTPREL16_HIGHEST), | |
1686 | MAP64 ("dtprel@highesta", BFD_RELOC_PPC64_DTPREL16_HIGHESTA), | |
1687 | MAP64 ("tprel@higher", BFD_RELOC_PPC64_TPREL16_HIGHER), | |
1688 | MAP64 ("tprel@highera", BFD_RELOC_PPC64_TPREL16_HIGHERA), | |
1689 | MAP64 ("tprel@highest", BFD_RELOC_PPC64_TPREL16_HIGHEST), | |
1690 | MAP64 ("tprel@highesta", BFD_RELOC_PPC64_TPREL16_HIGHESTA), | |
1691 | { (char *) 0, 0, 0, 0, BFD_RELOC_UNUSED } | |
252b5132 RH |
1692 | }; |
1693 | ||
1694 | if (*str++ != '@') | |
1695 | return BFD_RELOC_UNUSED; | |
1696 | ||
1697 | for (ch = *str, str2 = ident; | |
1698 | (str2 < ident + sizeof (ident) - 1 | |
3882b010 | 1699 | && (ISALNUM (ch) || ch == '@')); |
252b5132 RH |
1700 | ch = *++str) |
1701 | { | |
3882b010 | 1702 | *str2++ = TOLOWER (ch); |
252b5132 RH |
1703 | } |
1704 | ||
1705 | *str2 = '\0'; | |
1706 | len = str2 - ident; | |
1707 | ||
1708 | ch = ident[0]; | |
1709 | for (ptr = &mapping[0]; ptr->length > 0; ptr++) | |
1710 | if (ch == ptr->string[0] | |
1711 | && len == ptr->length | |
b7d7dc63 AM |
1712 | && memcmp (ident, ptr->string, ptr->length) == 0 |
1713 | && (ppc_obj64 ? ptr->valid64 : ptr->valid32)) | |
252b5132 | 1714 | { |
15c1449b AM |
1715 | int reloc = ptr->reloc; |
1716 | ||
cdba85ec | 1717 | if (!ppc_obj64) |
5f6db75a AM |
1718 | if (exp_p->X_add_number != 0 |
1719 | && (reloc == (int) BFD_RELOC_16_GOTOFF | |
1720 | || reloc == (int) BFD_RELOC_LO16_GOTOFF | |
1721 | || reloc == (int) BFD_RELOC_HI16_GOTOFF | |
1722 | || reloc == (int) BFD_RELOC_HI16_S_GOTOFF)) | |
1723 | as_warn (_("identifier+constant@got means identifier@got+constant")); | |
1724 | ||
1725 | /* Now check for identifier@suffix+constant. */ | |
1726 | if (*str == '-' || *str == '+') | |
252b5132 | 1727 | { |
5f6db75a AM |
1728 | char *orig_line = input_line_pointer; |
1729 | expressionS new_exp; | |
1730 | ||
1731 | input_line_pointer = str; | |
1732 | expression (&new_exp); | |
1733 | if (new_exp.X_op == O_constant) | |
252b5132 | 1734 | { |
5f6db75a AM |
1735 | exp_p->X_add_number += new_exp.X_add_number; |
1736 | str = input_line_pointer; | |
252b5132 | 1737 | } |
5f6db75a AM |
1738 | |
1739 | if (&input_line_pointer != str_p) | |
1740 | input_line_pointer = orig_line; | |
252b5132 | 1741 | } |
252b5132 | 1742 | *str_p = str; |
0baf16f2 | 1743 | |
2b3c4602 | 1744 | if (reloc == (int) BFD_RELOC_PPC64_TOC |
9f2b53d7 AM |
1745 | && exp_p->X_op == O_symbol |
1746 | && strcmp (S_GET_NAME (exp_p->X_add_symbol), ".TOC.") == 0) | |
0baf16f2 | 1747 | { |
9f2b53d7 AM |
1748 | /* Change the symbol so that the dummy .TOC. symbol can be |
1749 | omitted from the object file. */ | |
0baf16f2 AM |
1750 | exp_p->X_add_symbol = &abs_symbol; |
1751 | } | |
1752 | ||
15c1449b | 1753 | return (bfd_reloc_code_real_type) reloc; |
252b5132 RH |
1754 | } |
1755 | ||
1756 | return BFD_RELOC_UNUSED; | |
1757 | } | |
1758 | ||
99a814a1 AM |
1759 | /* Like normal .long/.short/.word, except support @got, etc. |
1760 | Clobbers input_line_pointer, checks end-of-line. */ | |
252b5132 RH |
1761 | static void |
1762 | ppc_elf_cons (nbytes) | |
0baf16f2 | 1763 | register int nbytes; /* 1=.byte, 2=.word, 4=.long, 8=.llong. */ |
252b5132 RH |
1764 | { |
1765 | expressionS exp; | |
1766 | bfd_reloc_code_real_type reloc; | |
1767 | ||
1768 | if (is_it_end_of_statement ()) | |
1769 | { | |
1770 | demand_empty_rest_of_line (); | |
1771 | return; | |
1772 | } | |
1773 | ||
1774 | do | |
1775 | { | |
1776 | expression (&exp); | |
1777 | if (exp.X_op == O_symbol | |
1778 | && *input_line_pointer == '@' | |
99a814a1 AM |
1779 | && (reloc = ppc_elf_suffix (&input_line_pointer, |
1780 | &exp)) != BFD_RELOC_UNUSED) | |
252b5132 | 1781 | { |
99a814a1 AM |
1782 | reloc_howto_type *reloc_howto; |
1783 | int size; | |
1784 | ||
1785 | reloc_howto = bfd_reloc_type_lookup (stdoutput, reloc); | |
1786 | size = bfd_get_reloc_size (reloc_howto); | |
252b5132 RH |
1787 | |
1788 | if (size > nbytes) | |
0baf16f2 AM |
1789 | { |
1790 | as_bad (_("%s relocations do not fit in %d bytes\n"), | |
1791 | reloc_howto->name, nbytes); | |
1792 | } | |
252b5132 RH |
1793 | else |
1794 | { | |
0baf16f2 AM |
1795 | char *p; |
1796 | int offset; | |
252b5132 | 1797 | |
0baf16f2 AM |
1798 | p = frag_more (nbytes); |
1799 | offset = 0; | |
1800 | if (target_big_endian) | |
1801 | offset = nbytes - size; | |
99a814a1 AM |
1802 | fix_new_exp (frag_now, p - frag_now->fr_literal + offset, size, |
1803 | &exp, 0, reloc); | |
252b5132 RH |
1804 | } |
1805 | } | |
1806 | else | |
1807 | emit_expr (&exp, (unsigned int) nbytes); | |
1808 | } | |
1809 | while (*input_line_pointer++ == ','); | |
1810 | ||
99a814a1 AM |
1811 | /* Put terminator back into stream. */ |
1812 | input_line_pointer--; | |
252b5132 RH |
1813 | demand_empty_rest_of_line (); |
1814 | } | |
1815 | ||
1816 | /* Solaris pseduo op to change to the .rodata section. */ | |
1817 | static void | |
1818 | ppc_elf_rdata (xxx) | |
1819 | int xxx; | |
1820 | { | |
1821 | char *save_line = input_line_pointer; | |
1822 | static char section[] = ".rodata\n"; | |
1823 | ||
99a814a1 | 1824 | /* Just pretend this is .section .rodata */ |
252b5132 RH |
1825 | input_line_pointer = section; |
1826 | obj_elf_section (xxx); | |
1827 | ||
1828 | input_line_pointer = save_line; | |
1829 | } | |
1830 | ||
99a814a1 | 1831 | /* Pseudo op to make file scope bss items. */ |
252b5132 | 1832 | static void |
99a814a1 | 1833 | ppc_elf_lcomm (xxx) |
92161534 | 1834 | int xxx ATTRIBUTE_UNUSED; |
252b5132 RH |
1835 | { |
1836 | register char *name; | |
1837 | register char c; | |
1838 | register char *p; | |
1839 | offsetT size; | |
1840 | register symbolS *symbolP; | |
1841 | offsetT align; | |
1842 | segT old_sec; | |
1843 | int old_subsec; | |
1844 | char *pfrag; | |
1845 | int align2; | |
1846 | ||
1847 | name = input_line_pointer; | |
1848 | c = get_symbol_end (); | |
1849 | ||
99a814a1 | 1850 | /* just after name is now '\0'. */ |
252b5132 RH |
1851 | p = input_line_pointer; |
1852 | *p = c; | |
1853 | SKIP_WHITESPACE (); | |
1854 | if (*input_line_pointer != ',') | |
1855 | { | |
1856 | as_bad (_("Expected comma after symbol-name: rest of line ignored.")); | |
1857 | ignore_rest_of_line (); | |
1858 | return; | |
1859 | } | |
1860 | ||
1861 | input_line_pointer++; /* skip ',' */ | |
1862 | if ((size = get_absolute_expression ()) < 0) | |
1863 | { | |
1864 | as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) size); | |
1865 | ignore_rest_of_line (); | |
1866 | return; | |
1867 | } | |
1868 | ||
1869 | /* The third argument to .lcomm is the alignment. */ | |
1870 | if (*input_line_pointer != ',') | |
1871 | align = 8; | |
1872 | else | |
1873 | { | |
1874 | ++input_line_pointer; | |
1875 | align = get_absolute_expression (); | |
1876 | if (align <= 0) | |
1877 | { | |
1878 | as_warn (_("ignoring bad alignment")); | |
1879 | align = 8; | |
1880 | } | |
1881 | } | |
1882 | ||
1883 | *p = 0; | |
1884 | symbolP = symbol_find_or_make (name); | |
1885 | *p = c; | |
1886 | ||
1887 | if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP)) | |
1888 | { | |
1889 | as_bad (_("Ignoring attempt to re-define symbol `%s'."), | |
1890 | S_GET_NAME (symbolP)); | |
1891 | ignore_rest_of_line (); | |
1892 | return; | |
1893 | } | |
1894 | ||
1895 | if (S_GET_VALUE (symbolP) && S_GET_VALUE (symbolP) != (valueT) size) | |
1896 | { | |
1897 | as_bad (_("Length of .lcomm \"%s\" is already %ld. Not changed to %ld."), | |
1898 | S_GET_NAME (symbolP), | |
1899 | (long) S_GET_VALUE (symbolP), | |
1900 | (long) size); | |
1901 | ||
1902 | ignore_rest_of_line (); | |
1903 | return; | |
1904 | } | |
1905 | ||
99a814a1 | 1906 | /* Allocate_bss. */ |
252b5132 RH |
1907 | old_sec = now_seg; |
1908 | old_subsec = now_subseg; | |
1909 | if (align) | |
1910 | { | |
99a814a1 | 1911 | /* Convert to a power of 2 alignment. */ |
252b5132 RH |
1912 | for (align2 = 0; (align & 1) == 0; align >>= 1, ++align2); |
1913 | if (align != 1) | |
1914 | { | |
1915 | as_bad (_("Common alignment not a power of 2")); | |
1916 | ignore_rest_of_line (); | |
1917 | return; | |
1918 | } | |
1919 | } | |
1920 | else | |
1921 | align2 = 0; | |
1922 | ||
1923 | record_alignment (bss_section, align2); | |
1924 | subseg_set (bss_section, 0); | |
1925 | if (align2) | |
1926 | frag_align (align2, 0, 0); | |
1927 | if (S_GET_SEGMENT (symbolP) == bss_section) | |
49309057 ILT |
1928 | symbol_get_frag (symbolP)->fr_symbol = 0; |
1929 | symbol_set_frag (symbolP, frag_now); | |
252b5132 RH |
1930 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, size, |
1931 | (char *) 0); | |
1932 | *pfrag = 0; | |
1933 | S_SET_SIZE (symbolP, size); | |
1934 | S_SET_SEGMENT (symbolP, bss_section); | |
1935 | subseg_set (old_sec, old_subsec); | |
1936 | demand_empty_rest_of_line (); | |
1937 | } | |
1938 | ||
1939 | /* Validate any relocations emitted for -mrelocatable, possibly adding | |
1940 | fixups for word relocations in writable segments, so we can adjust | |
1941 | them at runtime. */ | |
1942 | static void | |
1943 | ppc_elf_validate_fix (fixp, seg) | |
1944 | fixS *fixp; | |
1945 | segT seg; | |
1946 | { | |
1947 | if (fixp->fx_done || fixp->fx_pcrel) | |
1948 | return; | |
1949 | ||
1950 | switch (shlib) | |
1951 | { | |
1952 | case SHLIB_NONE: | |
1953 | case SHLIB_PIC: | |
1954 | return; | |
1955 | ||
5d6f4f16 | 1956 | case SHLIB_MRELOCATABLE: |
252b5132 RH |
1957 | if (fixp->fx_r_type <= BFD_RELOC_UNUSED |
1958 | && fixp->fx_r_type != BFD_RELOC_16_GOTOFF | |
1959 | && fixp->fx_r_type != BFD_RELOC_HI16_GOTOFF | |
1960 | && fixp->fx_r_type != BFD_RELOC_LO16_GOTOFF | |
1961 | && fixp->fx_r_type != BFD_RELOC_HI16_S_GOTOFF | |
1cfc59d5 | 1962 | && fixp->fx_r_type != BFD_RELOC_16_BASEREL |
252b5132 RH |
1963 | && fixp->fx_r_type != BFD_RELOC_LO16_BASEREL |
1964 | && fixp->fx_r_type != BFD_RELOC_HI16_BASEREL | |
1965 | && fixp->fx_r_type != BFD_RELOC_HI16_S_BASEREL | |
e138127a | 1966 | && (seg->flags & SEC_LOAD) != 0 |
252b5132 RH |
1967 | && strcmp (segment_name (seg), ".got2") != 0 |
1968 | && strcmp (segment_name (seg), ".dtors") != 0 | |
1969 | && strcmp (segment_name (seg), ".ctors") != 0 | |
1970 | && strcmp (segment_name (seg), ".fixup") != 0 | |
252b5132 RH |
1971 | && strcmp (segment_name (seg), ".gcc_except_table") != 0 |
1972 | && strcmp (segment_name (seg), ".eh_frame") != 0 | |
1973 | && strcmp (segment_name (seg), ".ex_shared") != 0) | |
1974 | { | |
1975 | if ((seg->flags & (SEC_READONLY | SEC_CODE)) != 0 | |
1976 | || fixp->fx_r_type != BFD_RELOC_CTOR) | |
1977 | { | |
1978 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
1979 | _("Relocation cannot be done when using -mrelocatable")); | |
1980 | } | |
1981 | } | |
1982 | return; | |
1983 | } | |
1984 | } | |
0baf16f2 | 1985 | |
7e8d4ab4 AM |
1986 | /* Prevent elf_frob_file_before_adjust removing a weak undefined |
1987 | function descriptor sym if the corresponding code sym is used. */ | |
1988 | ||
1989 | void | |
1990 | ppc_frob_file_before_adjust () | |
0baf16f2 | 1991 | { |
7e8d4ab4 | 1992 | symbolS *symp; |
9232bbb0 | 1993 | asection *toc; |
0baf16f2 | 1994 | |
7e8d4ab4 AM |
1995 | if (!ppc_obj64) |
1996 | return; | |
1997 | ||
1998 | for (symp = symbol_rootP; symp; symp = symbol_next (symp)) | |
0baf16f2 | 1999 | { |
7e8d4ab4 AM |
2000 | const char *name; |
2001 | char *dotname; | |
2002 | symbolS *dotsym; | |
2003 | size_t len; | |
2004 | ||
2005 | name = S_GET_NAME (symp); | |
2006 | if (name[0] == '.') | |
2007 | continue; | |
2008 | ||
2009 | if (! S_IS_WEAK (symp) | |
2010 | || S_IS_DEFINED (symp)) | |
2011 | continue; | |
2012 | ||
2013 | len = strlen (name) + 1; | |
2014 | dotname = xmalloc (len + 1); | |
2015 | dotname[0] = '.'; | |
2016 | memcpy (dotname + 1, name, len); | |
461b725f | 2017 | dotsym = symbol_find_noref (dotname, 1); |
7e8d4ab4 AM |
2018 | free (dotname); |
2019 | if (dotsym != NULL && (symbol_used_p (dotsym) | |
2020 | || symbol_used_in_reloc_p (dotsym))) | |
670ec21d NC |
2021 | symbol_mark_used (symp); |
2022 | ||
0baf16f2 AM |
2023 | } |
2024 | ||
9232bbb0 AM |
2025 | toc = bfd_get_section_by_name (stdoutput, ".toc"); |
2026 | if (toc != NULL | |
2027 | && bfd_section_size (stdoutput, toc) > 0x10000) | |
2028 | as_warn (_("TOC section size exceeds 64k")); | |
2029 | ||
7e8d4ab4 AM |
2030 | /* Don't emit .TOC. symbol. */ |
2031 | symp = symbol_find (".TOC."); | |
2032 | if (symp != NULL) | |
2033 | symbol_remove (symp, &symbol_rootP, &symbol_lastP); | |
0baf16f2 | 2034 | } |
252b5132 RH |
2035 | #endif /* OBJ_ELF */ |
2036 | \f | |
2037 | #ifdef TE_PE | |
2038 | ||
2039 | /* | |
99a814a1 | 2040 | * Summary of parse_toc_entry. |
252b5132 RH |
2041 | * |
2042 | * in: Input_line_pointer points to the '[' in one of: | |
2043 | * | |
2044 | * [toc] [tocv] [toc32] [toc64] | |
2045 | * | |
2046 | * Anything else is an error of one kind or another. | |
2047 | * | |
81d4177b | 2048 | * out: |
252b5132 RH |
2049 | * return value: success or failure |
2050 | * toc_kind: kind of toc reference | |
2051 | * input_line_pointer: | |
2052 | * success: first char after the ']' | |
2053 | * failure: unchanged | |
2054 | * | |
2055 | * settings: | |
2056 | * | |
2057 | * [toc] - rv == success, toc_kind = default_toc | |
2058 | * [tocv] - rv == success, toc_kind = data_in_toc | |
2059 | * [toc32] - rv == success, toc_kind = must_be_32 | |
2060 | * [toc64] - rv == success, toc_kind = must_be_64 | |
2061 | * | |
2062 | */ | |
2063 | ||
81d4177b KH |
2064 | enum toc_size_qualifier |
2065 | { | |
252b5132 RH |
2066 | default_toc, /* The toc cell constructed should be the system default size */ |
2067 | data_in_toc, /* This is a direct reference to a toc cell */ | |
2068 | must_be_32, /* The toc cell constructed must be 32 bits wide */ | |
2069 | must_be_64 /* The toc cell constructed must be 64 bits wide */ | |
2070 | }; | |
2071 | ||
2072 | static int | |
99a814a1 | 2073 | parse_toc_entry (toc_kind) |
252b5132 RH |
2074 | enum toc_size_qualifier *toc_kind; |
2075 | { | |
2076 | char *start; | |
2077 | char *toc_spec; | |
2078 | char c; | |
2079 | enum toc_size_qualifier t; | |
2080 | ||
99a814a1 | 2081 | /* Save the input_line_pointer. */ |
252b5132 RH |
2082 | start = input_line_pointer; |
2083 | ||
99a814a1 | 2084 | /* Skip over the '[' , and whitespace. */ |
252b5132 RH |
2085 | ++input_line_pointer; |
2086 | SKIP_WHITESPACE (); | |
81d4177b | 2087 | |
99a814a1 | 2088 | /* Find the spelling of the operand. */ |
252b5132 RH |
2089 | toc_spec = input_line_pointer; |
2090 | c = get_symbol_end (); | |
2091 | ||
99a814a1 | 2092 | if (strcmp (toc_spec, "toc") == 0) |
252b5132 RH |
2093 | { |
2094 | t = default_toc; | |
2095 | } | |
99a814a1 | 2096 | else if (strcmp (toc_spec, "tocv") == 0) |
252b5132 RH |
2097 | { |
2098 | t = data_in_toc; | |
2099 | } | |
99a814a1 | 2100 | else if (strcmp (toc_spec, "toc32") == 0) |
252b5132 RH |
2101 | { |
2102 | t = must_be_32; | |
2103 | } | |
99a814a1 | 2104 | else if (strcmp (toc_spec, "toc64") == 0) |
252b5132 RH |
2105 | { |
2106 | t = must_be_64; | |
2107 | } | |
2108 | else | |
2109 | { | |
2110 | as_bad (_("syntax error: invalid toc specifier `%s'"), toc_spec); | |
99a814a1 AM |
2111 | *input_line_pointer = c; |
2112 | input_line_pointer = start; | |
252b5132 RH |
2113 | return 0; |
2114 | } | |
2115 | ||
99a814a1 AM |
2116 | /* Now find the ']'. */ |
2117 | *input_line_pointer = c; | |
252b5132 | 2118 | |
81d4177b KH |
2119 | SKIP_WHITESPACE (); /* leading whitespace could be there. */ |
2120 | c = *input_line_pointer++; /* input_line_pointer->past char in c. */ | |
252b5132 RH |
2121 | |
2122 | if (c != ']') | |
2123 | { | |
2124 | as_bad (_("syntax error: expected `]', found `%c'"), c); | |
99a814a1 | 2125 | input_line_pointer = start; |
252b5132 RH |
2126 | return 0; |
2127 | } | |
2128 | ||
99a814a1 | 2129 | *toc_kind = t; |
252b5132 RH |
2130 | return 1; |
2131 | } | |
2132 | #endif | |
2133 | \f | |
2134 | ||
dc1d03fc | 2135 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
2136 | #define APUID(a,v) ((((a) & 0xffff) << 16) | ((v) & 0xffff)) |
2137 | static void | |
dc1d03fc | 2138 | ppc_apuinfo_section_add (apu, version) |
6a0c61b7 EZ |
2139 | unsigned int apu, version; |
2140 | { | |
2141 | unsigned int i; | |
2142 | ||
2143 | /* Check we don't already exist. */ | |
2144 | for (i = 0; i < ppc_apuinfo_num; i++) | |
dc1d03fc | 2145 | if (ppc_apuinfo_list[i] == APUID (apu, version)) |
6a0c61b7 | 2146 | return; |
b34976b6 | 2147 | |
6a0c61b7 EZ |
2148 | if (ppc_apuinfo_num == ppc_apuinfo_num_alloc) |
2149 | { | |
2150 | if (ppc_apuinfo_num_alloc == 0) | |
2151 | { | |
2152 | ppc_apuinfo_num_alloc = 4; | |
2153 | ppc_apuinfo_list = (unsigned long *) | |
2154 | xmalloc (sizeof (unsigned long) * ppc_apuinfo_num_alloc); | |
2155 | } | |
2156 | else | |
2157 | { | |
2158 | ppc_apuinfo_num_alloc += 4; | |
2159 | ppc_apuinfo_list = (unsigned long *) xrealloc (ppc_apuinfo_list, | |
2160 | sizeof (unsigned long) * ppc_apuinfo_num_alloc); | |
2161 | } | |
2162 | } | |
dc1d03fc | 2163 | ppc_apuinfo_list[ppc_apuinfo_num++] = APUID (apu, version); |
6a0c61b7 EZ |
2164 | } |
2165 | #undef APUID | |
dc1d03fc | 2166 | #endif |
6a0c61b7 EZ |
2167 | \f |
2168 | ||
252b5132 RH |
2169 | /* We need to keep a list of fixups. We can't simply generate them as |
2170 | we go, because that would require us to first create the frag, and | |
2171 | that would screw up references to ``.''. */ | |
2172 | ||
2173 | struct ppc_fixup | |
2174 | { | |
2175 | expressionS exp; | |
2176 | int opindex; | |
2177 | bfd_reloc_code_real_type reloc; | |
2178 | }; | |
2179 | ||
2180 | #define MAX_INSN_FIXUPS (5) | |
2181 | ||
2182 | /* This routine is called for each instruction to be assembled. */ | |
2183 | ||
2184 | void | |
2185 | md_assemble (str) | |
2186 | char *str; | |
2187 | { | |
2188 | char *s; | |
2189 | const struct powerpc_opcode *opcode; | |
2190 | unsigned long insn; | |
2191 | const unsigned char *opindex_ptr; | |
2192 | int skip_optional; | |
2193 | int need_paren; | |
2194 | int next_opindex; | |
2195 | struct ppc_fixup fixups[MAX_INSN_FIXUPS]; | |
2196 | int fc; | |
2197 | char *f; | |
09b935ac | 2198 | int addr_mod; |
252b5132 RH |
2199 | int i; |
2200 | #ifdef OBJ_ELF | |
2201 | bfd_reloc_code_real_type reloc; | |
2202 | #endif | |
2203 | ||
2204 | /* Get the opcode. */ | |
3882b010 | 2205 | for (s = str; *s != '\0' && ! ISSPACE (*s); s++) |
252b5132 RH |
2206 | ; |
2207 | if (*s != '\0') | |
2208 | *s++ = '\0'; | |
2209 | ||
2210 | /* Look up the opcode in the hash table. */ | |
2211 | opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, str); | |
2212 | if (opcode == (const struct powerpc_opcode *) NULL) | |
2213 | { | |
2214 | const struct powerpc_macro *macro; | |
2215 | ||
2216 | macro = (const struct powerpc_macro *) hash_find (ppc_macro_hash, str); | |
2217 | if (macro == (const struct powerpc_macro *) NULL) | |
2218 | as_bad (_("Unrecognized opcode: `%s'"), str); | |
2219 | else | |
2220 | ppc_macro (s, macro); | |
2221 | ||
2222 | return; | |
2223 | } | |
2224 | ||
2225 | insn = opcode->opcode; | |
2226 | ||
2227 | str = s; | |
3882b010 | 2228 | while (ISSPACE (*str)) |
252b5132 RH |
2229 | ++str; |
2230 | ||
2231 | /* PowerPC operands are just expressions. The only real issue is | |
2232 | that a few operand types are optional. All cases which might use | |
1f6c9eb0 ZW |
2233 | an optional operand separate the operands only with commas (in some |
2234 | cases parentheses are used, as in ``lwz 1,0(1)'' but such cases never | |
2235 | have optional operands). Most instructions with optional operands | |
2236 | have only one. Those that have more than one optional operand can | |
2237 | take either all their operands or none. So, before we start seriously | |
2238 | parsing the operands, we check to see if we have optional operands, | |
2239 | and if we do, we count the number of commas to see which operands | |
2240 | have been omitted. */ | |
252b5132 RH |
2241 | skip_optional = 0; |
2242 | for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++) | |
2243 | { | |
2244 | const struct powerpc_operand *operand; | |
2245 | ||
2246 | operand = &powerpc_operands[*opindex_ptr]; | |
2247 | if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0) | |
2248 | { | |
2249 | unsigned int opcount; | |
7fe9cf6b NC |
2250 | unsigned int num_operands_expected; |
2251 | unsigned int i; | |
252b5132 RH |
2252 | |
2253 | /* There is an optional operand. Count the number of | |
2254 | commas in the input line. */ | |
2255 | if (*str == '\0') | |
2256 | opcount = 0; | |
2257 | else | |
2258 | { | |
2259 | opcount = 1; | |
2260 | s = str; | |
2261 | while ((s = strchr (s, ',')) != (char *) NULL) | |
2262 | { | |
2263 | ++opcount; | |
2264 | ++s; | |
2265 | } | |
2266 | } | |
2267 | ||
7fe9cf6b NC |
2268 | /* Compute the number of expected operands. |
2269 | Do not count fake operands. */ | |
2270 | for (num_operands_expected = 0, i = 0; opcode->operands[i]; i ++) | |
2271 | if ((powerpc_operands [opcode->operands[i]].flags & PPC_OPERAND_FAKE) == 0) | |
2272 | ++ num_operands_expected; | |
2273 | ||
252b5132 RH |
2274 | /* If there are fewer operands in the line then are called |
2275 | for by the instruction, we want to skip the optional | |
1f6c9eb0 | 2276 | operands. */ |
7fe9cf6b | 2277 | if (opcount < num_operands_expected) |
252b5132 RH |
2278 | skip_optional = 1; |
2279 | ||
2280 | break; | |
2281 | } | |
2282 | } | |
2283 | ||
2284 | /* Gather the operands. */ | |
2285 | need_paren = 0; | |
2286 | next_opindex = 0; | |
2287 | fc = 0; | |
2288 | for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++) | |
2289 | { | |
2290 | const struct powerpc_operand *operand; | |
2291 | const char *errmsg; | |
2292 | char *hold; | |
2293 | expressionS ex; | |
2294 | char endc; | |
2295 | ||
2296 | if (next_opindex == 0) | |
2297 | operand = &powerpc_operands[*opindex_ptr]; | |
2298 | else | |
2299 | { | |
2300 | operand = &powerpc_operands[next_opindex]; | |
2301 | next_opindex = 0; | |
2302 | } | |
252b5132 RH |
2303 | errmsg = NULL; |
2304 | ||
2305 | /* If this is a fake operand, then we do not expect anything | |
2306 | from the input. */ | |
2307 | if ((operand->flags & PPC_OPERAND_FAKE) != 0) | |
2308 | { | |
2b3c4602 | 2309 | insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg); |
252b5132 RH |
2310 | if (errmsg != (const char *) NULL) |
2311 | as_bad (errmsg); | |
2312 | continue; | |
2313 | } | |
2314 | ||
2315 | /* If this is an optional operand, and we are skipping it, just | |
2316 | insert a zero. */ | |
2317 | if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0 | |
2318 | && skip_optional) | |
2319 | { | |
2320 | if (operand->insert) | |
2321 | { | |
2b3c4602 | 2322 | insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg); |
252b5132 RH |
2323 | if (errmsg != (const char *) NULL) |
2324 | as_bad (errmsg); | |
2325 | } | |
2326 | if ((operand->flags & PPC_OPERAND_NEXT) != 0) | |
2327 | next_opindex = *opindex_ptr + 1; | |
2328 | continue; | |
2329 | } | |
2330 | ||
2331 | /* Gather the operand. */ | |
2332 | hold = input_line_pointer; | |
2333 | input_line_pointer = str; | |
2334 | ||
2335 | #ifdef TE_PE | |
81d4177b | 2336 | if (*input_line_pointer == '[') |
252b5132 RH |
2337 | { |
2338 | /* We are expecting something like the second argument here: | |
99a814a1 AM |
2339 | * |
2340 | * lwz r4,[toc].GS.0.static_int(rtoc) | |
2341 | * ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |
2342 | * The argument following the `]' must be a symbol name, and the | |
2343 | * register must be the toc register: 'rtoc' or '2' | |
2344 | * | |
2345 | * The effect is to 0 as the displacement field | |
2346 | * in the instruction, and issue an IMAGE_REL_PPC_TOCREL16 (or | |
2347 | * the appropriate variation) reloc against it based on the symbol. | |
2348 | * The linker will build the toc, and insert the resolved toc offset. | |
2349 | * | |
2350 | * Note: | |
2351 | * o The size of the toc entry is currently assumed to be | |
2352 | * 32 bits. This should not be assumed to be a hard coded | |
2353 | * number. | |
2354 | * o In an effort to cope with a change from 32 to 64 bits, | |
2355 | * there are also toc entries that are specified to be | |
2356 | * either 32 or 64 bits: | |
2357 | * lwz r4,[toc32].GS.0.static_int(rtoc) | |
2358 | * lwz r4,[toc64].GS.0.static_int(rtoc) | |
2359 | * These demand toc entries of the specified size, and the | |
2360 | * instruction probably requires it. | |
2361 | */ | |
252b5132 RH |
2362 | |
2363 | int valid_toc; | |
2364 | enum toc_size_qualifier toc_kind; | |
2365 | bfd_reloc_code_real_type toc_reloc; | |
2366 | ||
99a814a1 AM |
2367 | /* Go parse off the [tocXX] part. */ |
2368 | valid_toc = parse_toc_entry (&toc_kind); | |
252b5132 | 2369 | |
81d4177b | 2370 | if (!valid_toc) |
252b5132 | 2371 | { |
99a814a1 AM |
2372 | /* Note: message has already been issued. |
2373 | FIXME: what sort of recovery should we do? | |
2374 | demand_rest_of_line (); return; ? */ | |
252b5132 RH |
2375 | } |
2376 | ||
99a814a1 AM |
2377 | /* Now get the symbol following the ']'. */ |
2378 | expression (&ex); | |
252b5132 RH |
2379 | |
2380 | switch (toc_kind) | |
2381 | { | |
2382 | case default_toc: | |
99a814a1 AM |
2383 | /* In this case, we may not have seen the symbol yet, |
2384 | since it is allowed to appear on a .extern or .globl | |
2385 | or just be a label in the .data section. */ | |
252b5132 RH |
2386 | toc_reloc = BFD_RELOC_PPC_TOC16; |
2387 | break; | |
2388 | case data_in_toc: | |
99a814a1 AM |
2389 | /* 1. The symbol must be defined and either in the toc |
2390 | section, or a global. | |
2391 | 2. The reloc generated must have the TOCDEFN flag set | |
2392 | in upper bit mess of the reloc type. | |
2393 | FIXME: It's a little confusing what the tocv | |
2394 | qualifier can be used for. At the very least, I've | |
2395 | seen three uses, only one of which I'm sure I can | |
2396 | explain. */ | |
81d4177b KH |
2397 | if (ex.X_op == O_symbol) |
2398 | { | |
252b5132 | 2399 | assert (ex.X_add_symbol != NULL); |
fed9b18a ILT |
2400 | if (symbol_get_bfdsym (ex.X_add_symbol)->section |
2401 | != tocdata_section) | |
252b5132 | 2402 | { |
99a814a1 | 2403 | as_bad (_("[tocv] symbol is not a toc symbol")); |
252b5132 RH |
2404 | } |
2405 | } | |
2406 | ||
2407 | toc_reloc = BFD_RELOC_PPC_TOC16; | |
2408 | break; | |
2409 | case must_be_32: | |
99a814a1 AM |
2410 | /* FIXME: these next two specifically specify 32/64 bit |
2411 | toc entries. We don't support them today. Is this | |
2412 | the right way to say that? */ | |
252b5132 RH |
2413 | toc_reloc = BFD_RELOC_UNUSED; |
2414 | as_bad (_("Unimplemented toc32 expression modifier")); | |
2415 | break; | |
2416 | case must_be_64: | |
99a814a1 | 2417 | /* FIXME: see above. */ |
252b5132 RH |
2418 | toc_reloc = BFD_RELOC_UNUSED; |
2419 | as_bad (_("Unimplemented toc64 expression modifier")); | |
2420 | break; | |
2421 | default: | |
bc805888 | 2422 | fprintf (stderr, |
99a814a1 AM |
2423 | _("Unexpected return value [%d] from parse_toc_entry!\n"), |
2424 | toc_kind); | |
bc805888 | 2425 | abort (); |
252b5132 RH |
2426 | break; |
2427 | } | |
2428 | ||
2429 | /* We need to generate a fixup for this expression. */ | |
2430 | if (fc >= MAX_INSN_FIXUPS) | |
2431 | as_fatal (_("too many fixups")); | |
2432 | ||
2433 | fixups[fc].reloc = toc_reloc; | |
2434 | fixups[fc].exp = ex; | |
2435 | fixups[fc].opindex = *opindex_ptr; | |
2436 | ++fc; | |
2437 | ||
99a814a1 AM |
2438 | /* Ok. We've set up the fixup for the instruction. Now make it |
2439 | look like the constant 0 was found here. */ | |
252b5132 RH |
2440 | ex.X_unsigned = 1; |
2441 | ex.X_op = O_constant; | |
2442 | ex.X_add_number = 0; | |
2443 | ex.X_add_symbol = NULL; | |
2444 | ex.X_op_symbol = NULL; | |
2445 | } | |
2446 | ||
2447 | else | |
2448 | #endif /* TE_PE */ | |
2449 | { | |
2450 | if (! register_name (&ex)) | |
2451 | { | |
2452 | if ((operand->flags & PPC_OPERAND_CR) != 0) | |
b34976b6 | 2453 | cr_operand = TRUE; |
252b5132 | 2454 | expression (&ex); |
b34976b6 | 2455 | cr_operand = FALSE; |
252b5132 RH |
2456 | } |
2457 | } | |
2458 | ||
2459 | str = input_line_pointer; | |
2460 | input_line_pointer = hold; | |
2461 | ||
2462 | if (ex.X_op == O_illegal) | |
2463 | as_bad (_("illegal operand")); | |
2464 | else if (ex.X_op == O_absent) | |
2465 | as_bad (_("missing operand")); | |
2466 | else if (ex.X_op == O_register) | |
2467 | { | |
2468 | insn = ppc_insert_operand (insn, operand, ex.X_add_number, | |
2469 | (char *) NULL, 0); | |
2470 | } | |
2471 | else if (ex.X_op == O_constant) | |
2472 | { | |
2473 | #ifdef OBJ_ELF | |
81d4177b | 2474 | /* Allow @HA, @L, @H on constants. */ |
252b5132 RH |
2475 | char *orig_str = str; |
2476 | ||
2477 | if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED) | |
2478 | switch (reloc) | |
2479 | { | |
2480 | default: | |
2481 | str = orig_str; | |
2482 | break; | |
2483 | ||
2484 | case BFD_RELOC_LO16: | |
2485 | /* X_unsigned is the default, so if the user has done | |
0baf16f2 AM |
2486 | something which cleared it, we always produce a |
2487 | signed value. */ | |
2488 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
252b5132 RH |
2489 | ex.X_add_number &= 0xffff; |
2490 | else | |
0baf16f2 | 2491 | ex.X_add_number = SEX16 (ex.X_add_number); |
252b5132 RH |
2492 | break; |
2493 | ||
2494 | case BFD_RELOC_HI16: | |
0baf16f2 AM |
2495 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) |
2496 | ex.X_add_number = PPC_HI (ex.X_add_number); | |
2497 | else | |
2498 | ex.X_add_number = SEX16 (PPC_HI (ex.X_add_number)); | |
252b5132 RH |
2499 | break; |
2500 | ||
2501 | case BFD_RELOC_HI16_S: | |
0baf16f2 AM |
2502 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) |
2503 | ex.X_add_number = PPC_HA (ex.X_add_number); | |
2504 | else | |
2505 | ex.X_add_number = SEX16 (PPC_HA (ex.X_add_number)); | |
2506 | break; | |
2507 | ||
0baf16f2 AM |
2508 | case BFD_RELOC_PPC64_HIGHER: |
2509 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2510 | ex.X_add_number = PPC_HIGHER (ex.X_add_number); | |
2511 | else | |
2512 | ex.X_add_number = SEX16 (PPC_HIGHER (ex.X_add_number)); | |
2513 | break; | |
2514 | ||
2515 | case BFD_RELOC_PPC64_HIGHER_S: | |
2516 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2517 | ex.X_add_number = PPC_HIGHERA (ex.X_add_number); | |
2518 | else | |
2519 | ex.X_add_number = SEX16 (PPC_HIGHERA (ex.X_add_number)); | |
252b5132 | 2520 | break; |
0baf16f2 AM |
2521 | |
2522 | case BFD_RELOC_PPC64_HIGHEST: | |
2523 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2524 | ex.X_add_number = PPC_HIGHEST (ex.X_add_number); | |
2525 | else | |
2526 | ex.X_add_number = SEX16 (PPC_HIGHEST (ex.X_add_number)); | |
2527 | break; | |
2528 | ||
2529 | case BFD_RELOC_PPC64_HIGHEST_S: | |
2530 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2531 | ex.X_add_number = PPC_HIGHESTA (ex.X_add_number); | |
2532 | else | |
2533 | ex.X_add_number = SEX16 (PPC_HIGHESTA (ex.X_add_number)); | |
2534 | break; | |
252b5132 | 2535 | } |
0baf16f2 | 2536 | #endif /* OBJ_ELF */ |
252b5132 RH |
2537 | insn = ppc_insert_operand (insn, operand, ex.X_add_number, |
2538 | (char *) NULL, 0); | |
2539 | } | |
2540 | #ifdef OBJ_ELF | |
2541 | else if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED) | |
2542 | { | |
cdba85ec AM |
2543 | /* Some TLS tweaks. */ |
2544 | switch (reloc) | |
2545 | { | |
2546 | default: | |
2547 | break; | |
2548 | case BFD_RELOC_PPC_TLS: | |
2549 | insn = ppc_insert_operand (insn, operand, ppc_obj64 ? 13 : 2, | |
2550 | (char *) NULL, 0); | |
2551 | break; | |
2552 | /* We'll only use the 32 (or 64) bit form of these relocations | |
2553 | in constants. Instructions get the 16 bit form. */ | |
2554 | case BFD_RELOC_PPC_DTPREL: | |
2555 | reloc = BFD_RELOC_PPC_DTPREL16; | |
2556 | break; | |
2557 | case BFD_RELOC_PPC_TPREL: | |
2558 | reloc = BFD_RELOC_PPC_TPREL16; | |
2559 | break; | |
2560 | } | |
2561 | ||
99a814a1 AM |
2562 | /* For the absolute forms of branches, convert the PC |
2563 | relative form back into the absolute. */ | |
252b5132 RH |
2564 | if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0) |
2565 | { | |
2566 | switch (reloc) | |
2567 | { | |
2568 | case BFD_RELOC_PPC_B26: | |
2569 | reloc = BFD_RELOC_PPC_BA26; | |
2570 | break; | |
2571 | case BFD_RELOC_PPC_B16: | |
2572 | reloc = BFD_RELOC_PPC_BA16; | |
2573 | break; | |
2574 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
2575 | reloc = BFD_RELOC_PPC_BA16_BRTAKEN; | |
2576 | break; | |
2577 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
2578 | reloc = BFD_RELOC_PPC_BA16_BRNTAKEN; | |
2579 | break; | |
2580 | default: | |
2581 | break; | |
2582 | } | |
2583 | } | |
2584 | ||
2b3c4602 | 2585 | if (ppc_obj64 |
adadcc0c | 2586 | && (operand->flags & (PPC_OPERAND_DS | PPC_OPERAND_DQ)) != 0) |
0baf16f2 AM |
2587 | { |
2588 | switch (reloc) | |
2589 | { | |
2590 | case BFD_RELOC_16: | |
2591 | reloc = BFD_RELOC_PPC64_ADDR16_DS; | |
2592 | break; | |
2593 | case BFD_RELOC_LO16: | |
2594 | reloc = BFD_RELOC_PPC64_ADDR16_LO_DS; | |
2595 | break; | |
2596 | case BFD_RELOC_16_GOTOFF: | |
2597 | reloc = BFD_RELOC_PPC64_GOT16_DS; | |
2598 | break; | |
2599 | case BFD_RELOC_LO16_GOTOFF: | |
2600 | reloc = BFD_RELOC_PPC64_GOT16_LO_DS; | |
2601 | break; | |
2602 | case BFD_RELOC_LO16_PLTOFF: | |
2603 | reloc = BFD_RELOC_PPC64_PLT16_LO_DS; | |
2604 | break; | |
1cfc59d5 | 2605 | case BFD_RELOC_16_BASEREL: |
0baf16f2 AM |
2606 | reloc = BFD_RELOC_PPC64_SECTOFF_DS; |
2607 | break; | |
2608 | case BFD_RELOC_LO16_BASEREL: | |
2609 | reloc = BFD_RELOC_PPC64_SECTOFF_LO_DS; | |
2610 | break; | |
2611 | case BFD_RELOC_PPC_TOC16: | |
2612 | reloc = BFD_RELOC_PPC64_TOC16_DS; | |
2613 | break; | |
2614 | case BFD_RELOC_PPC64_TOC16_LO: | |
2615 | reloc = BFD_RELOC_PPC64_TOC16_LO_DS; | |
2616 | break; | |
2617 | case BFD_RELOC_PPC64_PLTGOT16: | |
2618 | reloc = BFD_RELOC_PPC64_PLTGOT16_DS; | |
2619 | break; | |
2620 | case BFD_RELOC_PPC64_PLTGOT16_LO: | |
2621 | reloc = BFD_RELOC_PPC64_PLTGOT16_LO_DS; | |
2622 | break; | |
cdba85ec AM |
2623 | case BFD_RELOC_PPC_DTPREL16: |
2624 | reloc = BFD_RELOC_PPC64_DTPREL16_DS; | |
2625 | break; | |
2626 | case BFD_RELOC_PPC_DTPREL16_LO: | |
2627 | reloc = BFD_RELOC_PPC64_DTPREL16_LO_DS; | |
2628 | break; | |
2629 | case BFD_RELOC_PPC_TPREL16: | |
2630 | reloc = BFD_RELOC_PPC64_TPREL16_DS; | |
2631 | break; | |
2632 | case BFD_RELOC_PPC_TPREL16_LO: | |
2633 | reloc = BFD_RELOC_PPC64_TPREL16_LO_DS; | |
2634 | break; | |
2635 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
2636 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
2637 | case BFD_RELOC_PPC_GOT_TPREL16: | |
2638 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
2639 | break; | |
0baf16f2 AM |
2640 | default: |
2641 | as_bad (_("unsupported relocation for DS offset field")); | |
2642 | break; | |
2643 | } | |
2644 | } | |
2645 | ||
252b5132 RH |
2646 | /* We need to generate a fixup for this expression. */ |
2647 | if (fc >= MAX_INSN_FIXUPS) | |
2648 | as_fatal (_("too many fixups")); | |
2649 | fixups[fc].exp = ex; | |
2650 | fixups[fc].opindex = 0; | |
2651 | fixups[fc].reloc = reloc; | |
2652 | ++fc; | |
2653 | } | |
2654 | #endif /* OBJ_ELF */ | |
2655 | ||
2656 | else | |
2657 | { | |
2658 | /* We need to generate a fixup for this expression. */ | |
2659 | if (fc >= MAX_INSN_FIXUPS) | |
2660 | as_fatal (_("too many fixups")); | |
2661 | fixups[fc].exp = ex; | |
2662 | fixups[fc].opindex = *opindex_ptr; | |
2663 | fixups[fc].reloc = BFD_RELOC_UNUSED; | |
2664 | ++fc; | |
2665 | } | |
2666 | ||
2667 | if (need_paren) | |
2668 | { | |
2669 | endc = ')'; | |
2670 | need_paren = 0; | |
2671 | } | |
2672 | else if ((operand->flags & PPC_OPERAND_PARENS) != 0) | |
2673 | { | |
2674 | endc = '('; | |
2675 | need_paren = 1; | |
2676 | } | |
2677 | else | |
2678 | endc = ','; | |
2679 | ||
2680 | /* The call to expression should have advanced str past any | |
2681 | whitespace. */ | |
2682 | if (*str != endc | |
2683 | && (endc != ',' || *str != '\0')) | |
2684 | { | |
2685 | as_bad (_("syntax error; found `%c' but expected `%c'"), *str, endc); | |
2686 | break; | |
2687 | } | |
2688 | ||
2689 | if (*str != '\0') | |
2690 | ++str; | |
2691 | } | |
2692 | ||
3882b010 | 2693 | while (ISSPACE (*str)) |
252b5132 RH |
2694 | ++str; |
2695 | ||
2696 | if (*str != '\0') | |
2697 | as_bad (_("junk at end of line: `%s'"), str); | |
2698 | ||
dc1d03fc | 2699 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
2700 | /* Do we need/want a APUinfo section? */ |
2701 | if (ppc_cpu & (PPC_OPCODE_SPE | |
2702 | | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | |
2703 | | PPC_OPCODE_BRLOCK | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | |
2704 | | PPC_OPCODE_RFMCI)) | |
2705 | { | |
2706 | /* These are all version "1". */ | |
2707 | if (opcode->flags & PPC_OPCODE_SPE) | |
b34976b6 | 2708 | ppc_apuinfo_section_add (PPC_APUINFO_SPE, 1); |
6a0c61b7 | 2709 | if (opcode->flags & PPC_OPCODE_ISEL) |
b34976b6 | 2710 | ppc_apuinfo_section_add (PPC_APUINFO_ISEL, 1); |
6a0c61b7 | 2711 | if (opcode->flags & PPC_OPCODE_EFS) |
b34976b6 | 2712 | ppc_apuinfo_section_add (PPC_APUINFO_EFS, 1); |
6a0c61b7 | 2713 | if (opcode->flags & PPC_OPCODE_BRLOCK) |
b34976b6 | 2714 | ppc_apuinfo_section_add (PPC_APUINFO_BRLOCK, 1); |
6a0c61b7 | 2715 | if (opcode->flags & PPC_OPCODE_PMR) |
b34976b6 | 2716 | ppc_apuinfo_section_add (PPC_APUINFO_PMR, 1); |
6a0c61b7 | 2717 | if (opcode->flags & PPC_OPCODE_CACHELCK) |
b34976b6 | 2718 | ppc_apuinfo_section_add (PPC_APUINFO_CACHELCK, 1); |
6a0c61b7 | 2719 | if (opcode->flags & PPC_OPCODE_RFMCI) |
b34976b6 | 2720 | ppc_apuinfo_section_add (PPC_APUINFO_RFMCI, 1); |
6a0c61b7 | 2721 | } |
dc1d03fc | 2722 | #endif |
6a0c61b7 | 2723 | |
252b5132 RH |
2724 | /* Write out the instruction. */ |
2725 | f = frag_more (4); | |
09b935ac AM |
2726 | addr_mod = frag_now_fix () & 3; |
2727 | if (frag_now->has_code && frag_now->insn_addr != addr_mod) | |
2728 | as_bad (_("instruction address is not a multiple of 4")); | |
2729 | frag_now->insn_addr = addr_mod; | |
2730 | frag_now->has_code = 1; | |
252b5132 RH |
2731 | md_number_to_chars (f, insn, 4); |
2732 | ||
5d6f4f16 GK |
2733 | #ifdef OBJ_ELF |
2734 | dwarf2_emit_insn (4); | |
2735 | #endif | |
2736 | ||
252b5132 RH |
2737 | /* Create any fixups. At this point we do not use a |
2738 | bfd_reloc_code_real_type, but instead just use the | |
2739 | BFD_RELOC_UNUSED plus the operand index. This lets us easily | |
2740 | handle fixups for any operand type, although that is admittedly | |
2741 | not a very exciting feature. We pick a BFD reloc type in | |
55cf6793 | 2742 | md_apply_fix. */ |
252b5132 RH |
2743 | for (i = 0; i < fc; i++) |
2744 | { | |
2745 | const struct powerpc_operand *operand; | |
2746 | ||
2747 | operand = &powerpc_operands[fixups[i].opindex]; | |
2748 | if (fixups[i].reloc != BFD_RELOC_UNUSED) | |
2749 | { | |
99a814a1 | 2750 | reloc_howto_type *reloc_howto; |
252b5132 RH |
2751 | int size; |
2752 | int offset; | |
2753 | fixS *fixP; | |
2754 | ||
99a814a1 | 2755 | reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc); |
252b5132 RH |
2756 | if (!reloc_howto) |
2757 | abort (); | |
2758 | ||
2759 | size = bfd_get_reloc_size (reloc_howto); | |
2760 | offset = target_big_endian ? (4 - size) : 0; | |
2761 | ||
2762 | if (size < 1 || size > 4) | |
bc805888 | 2763 | abort (); |
252b5132 | 2764 | |
99a814a1 AM |
2765 | fixP = fix_new_exp (frag_now, |
2766 | f - frag_now->fr_literal + offset, | |
2767 | size, | |
2768 | &fixups[i].exp, | |
2769 | reloc_howto->pc_relative, | |
252b5132 RH |
2770 | fixups[i].reloc); |
2771 | ||
2772 | /* Turn off complaints that the addend is too large for things like | |
2773 | foo+100000@ha. */ | |
2774 | switch (fixups[i].reloc) | |
2775 | { | |
2776 | case BFD_RELOC_16_GOTOFF: | |
2777 | case BFD_RELOC_PPC_TOC16: | |
2778 | case BFD_RELOC_LO16: | |
2779 | case BFD_RELOC_HI16: | |
2780 | case BFD_RELOC_HI16_S: | |
0baf16f2 | 2781 | #ifdef OBJ_ELF |
0baf16f2 AM |
2782 | case BFD_RELOC_PPC64_HIGHER: |
2783 | case BFD_RELOC_PPC64_HIGHER_S: | |
2784 | case BFD_RELOC_PPC64_HIGHEST: | |
2785 | case BFD_RELOC_PPC64_HIGHEST_S: | |
0baf16f2 | 2786 | #endif |
252b5132 RH |
2787 | fixP->fx_no_overflow = 1; |
2788 | break; | |
2789 | default: | |
2790 | break; | |
2791 | } | |
2792 | } | |
2793 | else | |
99a814a1 AM |
2794 | fix_new_exp (frag_now, |
2795 | f - frag_now->fr_literal, | |
2796 | 4, | |
252b5132 RH |
2797 | &fixups[i].exp, |
2798 | (operand->flags & PPC_OPERAND_RELATIVE) != 0, | |
2799 | ((bfd_reloc_code_real_type) | |
99a814a1 | 2800 | (fixups[i].opindex + (int) BFD_RELOC_UNUSED))); |
252b5132 RH |
2801 | } |
2802 | } | |
2803 | ||
2804 | /* Handle a macro. Gather all the operands, transform them as | |
2805 | described by the macro, and call md_assemble recursively. All the | |
2806 | operands are separated by commas; we don't accept parentheses | |
2807 | around operands here. */ | |
2808 | ||
2809 | static void | |
2810 | ppc_macro (str, macro) | |
2811 | char *str; | |
2812 | const struct powerpc_macro *macro; | |
2813 | { | |
2814 | char *operands[10]; | |
2815 | unsigned int count; | |
2816 | char *s; | |
2817 | unsigned int len; | |
2818 | const char *format; | |
db557034 | 2819 | unsigned int arg; |
252b5132 RH |
2820 | char *send; |
2821 | char *complete; | |
2822 | ||
2823 | /* Gather the users operands into the operands array. */ | |
2824 | count = 0; | |
2825 | s = str; | |
2826 | while (1) | |
2827 | { | |
2828 | if (count >= sizeof operands / sizeof operands[0]) | |
2829 | break; | |
2830 | operands[count++] = s; | |
2831 | s = strchr (s, ','); | |
2832 | if (s == (char *) NULL) | |
2833 | break; | |
2834 | *s++ = '\0'; | |
81d4177b | 2835 | } |
252b5132 RH |
2836 | |
2837 | if (count != macro->operands) | |
2838 | { | |
2839 | as_bad (_("wrong number of operands")); | |
2840 | return; | |
2841 | } | |
2842 | ||
2843 | /* Work out how large the string must be (the size is unbounded | |
2844 | because it includes user input). */ | |
2845 | len = 0; | |
2846 | format = macro->format; | |
2847 | while (*format != '\0') | |
2848 | { | |
2849 | if (*format != '%') | |
2850 | { | |
2851 | ++len; | |
2852 | ++format; | |
2853 | } | |
2854 | else | |
2855 | { | |
2856 | arg = strtol (format + 1, &send, 10); | |
db557034 | 2857 | know (send != format && arg < count); |
252b5132 RH |
2858 | len += strlen (operands[arg]); |
2859 | format = send; | |
2860 | } | |
2861 | } | |
2862 | ||
2863 | /* Put the string together. */ | |
2864 | complete = s = (char *) alloca (len + 1); | |
2865 | format = macro->format; | |
2866 | while (*format != '\0') | |
2867 | { | |
2868 | if (*format != '%') | |
2869 | *s++ = *format++; | |
2870 | else | |
2871 | { | |
2872 | arg = strtol (format + 1, &send, 10); | |
2873 | strcpy (s, operands[arg]); | |
2874 | s += strlen (s); | |
2875 | format = send; | |
2876 | } | |
2877 | } | |
2878 | *s = '\0'; | |
2879 | ||
2880 | /* Assemble the constructed instruction. */ | |
2881 | md_assemble (complete); | |
81d4177b | 2882 | } |
252b5132 RH |
2883 | \f |
2884 | #ifdef OBJ_ELF | |
99a814a1 | 2885 | /* For ELF, add support for SHF_EXCLUDE and SHT_ORDERED. */ |
252b5132 RH |
2886 | |
2887 | int | |
2888 | ppc_section_letter (letter, ptr_msg) | |
2889 | int letter; | |
2890 | char **ptr_msg; | |
2891 | { | |
2892 | if (letter == 'e') | |
2893 | return SHF_EXCLUDE; | |
2894 | ||
13ae64f3 | 2895 | *ptr_msg = _("Bad .section directive: want a,e,w,x,M,S,G,T in string"); |
711ef82f | 2896 | return -1; |
252b5132 RH |
2897 | } |
2898 | ||
2899 | int | |
9de8d8f1 RH |
2900 | ppc_section_word (str, len) |
2901 | char *str; | |
2902 | size_t len; | |
252b5132 | 2903 | { |
9de8d8f1 RH |
2904 | if (len == 7 && strncmp (str, "exclude", 7) == 0) |
2905 | return SHF_EXCLUDE; | |
252b5132 | 2906 | |
9de8d8f1 | 2907 | return -1; |
252b5132 RH |
2908 | } |
2909 | ||
2910 | int | |
9de8d8f1 RH |
2911 | ppc_section_type (str, len) |
2912 | char *str; | |
2913 | size_t len; | |
252b5132 | 2914 | { |
9de8d8f1 RH |
2915 | if (len == 7 && strncmp (str, "ordered", 7) == 0) |
2916 | return SHT_ORDERED; | |
252b5132 | 2917 | |
9de8d8f1 | 2918 | return -1; |
252b5132 RH |
2919 | } |
2920 | ||
2921 | int | |
2922 | ppc_section_flags (flags, attr, type) | |
2923 | int flags; | |
2924 | int attr; | |
2925 | int type; | |
2926 | { | |
2927 | if (type == SHT_ORDERED) | |
2928 | flags |= SEC_ALLOC | SEC_LOAD | SEC_SORT_ENTRIES; | |
2929 | ||
2930 | if (attr & SHF_EXCLUDE) | |
2931 | flags |= SEC_EXCLUDE; | |
2932 | ||
2933 | return flags; | |
2934 | } | |
2935 | #endif /* OBJ_ELF */ | |
2936 | ||
2937 | \f | |
2938 | /* Pseudo-op handling. */ | |
2939 | ||
2940 | /* The .byte pseudo-op. This is similar to the normal .byte | |
2941 | pseudo-op, but it can also take a single ASCII string. */ | |
2942 | ||
2943 | static void | |
2944 | ppc_byte (ignore) | |
92161534 | 2945 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2946 | { |
2947 | if (*input_line_pointer != '\"') | |
2948 | { | |
2949 | cons (1); | |
2950 | return; | |
2951 | } | |
2952 | ||
2953 | /* Gather characters. A real double quote is doubled. Unusual | |
2954 | characters are not permitted. */ | |
2955 | ++input_line_pointer; | |
2956 | while (1) | |
2957 | { | |
2958 | char c; | |
2959 | ||
2960 | c = *input_line_pointer++; | |
2961 | ||
2962 | if (c == '\"') | |
2963 | { | |
2964 | if (*input_line_pointer != '\"') | |
2965 | break; | |
2966 | ++input_line_pointer; | |
2967 | } | |
2968 | ||
2969 | FRAG_APPEND_1_CHAR (c); | |
2970 | } | |
2971 | ||
2972 | demand_empty_rest_of_line (); | |
2973 | } | |
2974 | \f | |
2975 | #ifdef OBJ_XCOFF | |
2976 | ||
2977 | /* XCOFF specific pseudo-op handling. */ | |
2978 | ||
2979 | /* This is set if we are creating a .stabx symbol, since we don't want | |
2980 | to handle symbol suffixes for such symbols. */ | |
b34976b6 | 2981 | static bfd_boolean ppc_stab_symbol; |
252b5132 RH |
2982 | |
2983 | /* The .comm and .lcomm pseudo-ops for XCOFF. XCOFF puts common | |
2984 | symbols in the .bss segment as though they were local common | |
67c1ffbe | 2985 | symbols, and uses a different smclas. The native Aix 4.3.3 assembler |
1ad63b2f | 2986 | aligns .comm and .lcomm to 4 bytes. */ |
252b5132 RH |
2987 | |
2988 | static void | |
2989 | ppc_comm (lcomm) | |
2990 | int lcomm; | |
2991 | { | |
2992 | asection *current_seg = now_seg; | |
2993 | subsegT current_subseg = now_subseg; | |
2994 | char *name; | |
2995 | char endc; | |
2996 | char *end_name; | |
2997 | offsetT size; | |
2998 | offsetT align; | |
2999 | symbolS *lcomm_sym = NULL; | |
3000 | symbolS *sym; | |
3001 | char *pfrag; | |
3002 | ||
3003 | name = input_line_pointer; | |
3004 | endc = get_symbol_end (); | |
3005 | end_name = input_line_pointer; | |
3006 | *end_name = endc; | |
3007 | ||
3008 | if (*input_line_pointer != ',') | |
3009 | { | |
3010 | as_bad (_("missing size")); | |
3011 | ignore_rest_of_line (); | |
3012 | return; | |
3013 | } | |
3014 | ++input_line_pointer; | |
3015 | ||
3016 | size = get_absolute_expression (); | |
3017 | if (size < 0) | |
3018 | { | |
3019 | as_bad (_("negative size")); | |
3020 | ignore_rest_of_line (); | |
3021 | return; | |
3022 | } | |
3023 | ||
3024 | if (! lcomm) | |
3025 | { | |
3026 | /* The third argument to .comm is the alignment. */ | |
3027 | if (*input_line_pointer != ',') | |
1ad63b2f | 3028 | align = 2; |
252b5132 RH |
3029 | else |
3030 | { | |
3031 | ++input_line_pointer; | |
3032 | align = get_absolute_expression (); | |
3033 | if (align <= 0) | |
3034 | { | |
3035 | as_warn (_("ignoring bad alignment")); | |
1ad63b2f | 3036 | align = 2; |
252b5132 RH |
3037 | } |
3038 | } | |
3039 | } | |
3040 | else | |
3041 | { | |
3042 | char *lcomm_name; | |
3043 | char lcomm_endc; | |
3044 | ||
1ad63b2f | 3045 | if (size <= 4) |
252b5132 RH |
3046 | align = 2; |
3047 | else | |
3048 | align = 3; | |
3049 | ||
3050 | /* The third argument to .lcomm appears to be the real local | |
3051 | common symbol to create. References to the symbol named in | |
3052 | the first argument are turned into references to the third | |
3053 | argument. */ | |
3054 | if (*input_line_pointer != ',') | |
3055 | { | |
3056 | as_bad (_("missing real symbol name")); | |
3057 | ignore_rest_of_line (); | |
3058 | return; | |
3059 | } | |
3060 | ++input_line_pointer; | |
3061 | ||
3062 | lcomm_name = input_line_pointer; | |
3063 | lcomm_endc = get_symbol_end (); | |
81d4177b | 3064 | |
252b5132 RH |
3065 | lcomm_sym = symbol_find_or_make (lcomm_name); |
3066 | ||
3067 | *input_line_pointer = lcomm_endc; | |
3068 | } | |
3069 | ||
3070 | *end_name = '\0'; | |
3071 | sym = symbol_find_or_make (name); | |
3072 | *end_name = endc; | |
3073 | ||
3074 | if (S_IS_DEFINED (sym) | |
3075 | || S_GET_VALUE (sym) != 0) | |
3076 | { | |
3077 | as_bad (_("attempt to redefine symbol")); | |
3078 | ignore_rest_of_line (); | |
3079 | return; | |
3080 | } | |
81d4177b | 3081 | |
252b5132 | 3082 | record_alignment (bss_section, align); |
81d4177b | 3083 | |
252b5132 RH |
3084 | if (! lcomm |
3085 | || ! S_IS_DEFINED (lcomm_sym)) | |
3086 | { | |
3087 | symbolS *def_sym; | |
3088 | offsetT def_size; | |
3089 | ||
3090 | if (! lcomm) | |
3091 | { | |
3092 | def_sym = sym; | |
3093 | def_size = size; | |
3094 | S_SET_EXTERNAL (sym); | |
3095 | } | |
3096 | else | |
3097 | { | |
809ffe0d | 3098 | symbol_get_tc (lcomm_sym)->output = 1; |
252b5132 RH |
3099 | def_sym = lcomm_sym; |
3100 | def_size = 0; | |
3101 | } | |
3102 | ||
3103 | subseg_set (bss_section, 1); | |
3104 | frag_align (align, 0, 0); | |
81d4177b | 3105 | |
809ffe0d | 3106 | symbol_set_frag (def_sym, frag_now); |
252b5132 RH |
3107 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, def_sym, |
3108 | def_size, (char *) NULL); | |
3109 | *pfrag = 0; | |
3110 | S_SET_SEGMENT (def_sym, bss_section); | |
809ffe0d | 3111 | symbol_get_tc (def_sym)->align = align; |
252b5132 RH |
3112 | } |
3113 | else if (lcomm) | |
3114 | { | |
3115 | /* Align the size of lcomm_sym. */ | |
809ffe0d ILT |
3116 | symbol_get_frag (lcomm_sym)->fr_offset = |
3117 | ((symbol_get_frag (lcomm_sym)->fr_offset + (1 << align) - 1) | |
252b5132 | 3118 | &~ ((1 << align) - 1)); |
809ffe0d ILT |
3119 | if (align > symbol_get_tc (lcomm_sym)->align) |
3120 | symbol_get_tc (lcomm_sym)->align = align; | |
252b5132 RH |
3121 | } |
3122 | ||
3123 | if (lcomm) | |
3124 | { | |
3125 | /* Make sym an offset from lcomm_sym. */ | |
3126 | S_SET_SEGMENT (sym, bss_section); | |
809ffe0d ILT |
3127 | symbol_set_frag (sym, symbol_get_frag (lcomm_sym)); |
3128 | S_SET_VALUE (sym, symbol_get_frag (lcomm_sym)->fr_offset); | |
3129 | symbol_get_frag (lcomm_sym)->fr_offset += size; | |
252b5132 RH |
3130 | } |
3131 | ||
3132 | subseg_set (current_seg, current_subseg); | |
3133 | ||
3134 | demand_empty_rest_of_line (); | |
3135 | } | |
3136 | ||
3137 | /* The .csect pseudo-op. This switches us into a different | |
3138 | subsegment. The first argument is a symbol whose value is the | |
3139 | start of the .csect. In COFF, csect symbols get special aux | |
3140 | entries defined by the x_csect field of union internal_auxent. The | |
3141 | optional second argument is the alignment (the default is 2). */ | |
3142 | ||
3143 | static void | |
3144 | ppc_csect (ignore) | |
5480ccf3 | 3145 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3146 | { |
3147 | char *name; | |
3148 | char endc; | |
3149 | symbolS *sym; | |
931e13a6 | 3150 | offsetT align; |
252b5132 RH |
3151 | |
3152 | name = input_line_pointer; | |
3153 | endc = get_symbol_end (); | |
81d4177b | 3154 | |
252b5132 RH |
3155 | sym = symbol_find_or_make (name); |
3156 | ||
3157 | *input_line_pointer = endc; | |
3158 | ||
3159 | if (S_GET_NAME (sym)[0] == '\0') | |
3160 | { | |
3161 | /* An unnamed csect is assumed to be [PR]. */ | |
809ffe0d | 3162 | symbol_get_tc (sym)->class = XMC_PR; |
252b5132 RH |
3163 | } |
3164 | ||
931e13a6 | 3165 | align = 2; |
252b5132 RH |
3166 | if (*input_line_pointer == ',') |
3167 | { | |
3168 | ++input_line_pointer; | |
931e13a6 | 3169 | align = get_absolute_expression (); |
252b5132 RH |
3170 | } |
3171 | ||
931e13a6 AM |
3172 | ppc_change_csect (sym, align); |
3173 | ||
252b5132 RH |
3174 | demand_empty_rest_of_line (); |
3175 | } | |
3176 | ||
3177 | /* Change to a different csect. */ | |
3178 | ||
3179 | static void | |
931e13a6 | 3180 | ppc_change_csect (sym, align) |
252b5132 | 3181 | symbolS *sym; |
931e13a6 | 3182 | offsetT align; |
252b5132 RH |
3183 | { |
3184 | if (S_IS_DEFINED (sym)) | |
809ffe0d | 3185 | subseg_set (S_GET_SEGMENT (sym), symbol_get_tc (sym)->subseg); |
252b5132 RH |
3186 | else |
3187 | { | |
3188 | symbolS **list_ptr; | |
3189 | int after_toc; | |
3190 | int hold_chunksize; | |
3191 | symbolS *list; | |
931e13a6 AM |
3192 | int is_code; |
3193 | segT sec; | |
252b5132 RH |
3194 | |
3195 | /* This is a new csect. We need to look at the symbol class to | |
3196 | figure out whether it should go in the text section or the | |
3197 | data section. */ | |
3198 | after_toc = 0; | |
931e13a6 | 3199 | is_code = 0; |
809ffe0d | 3200 | switch (symbol_get_tc (sym)->class) |
252b5132 RH |
3201 | { |
3202 | case XMC_PR: | |
3203 | case XMC_RO: | |
3204 | case XMC_DB: | |
3205 | case XMC_GL: | |
3206 | case XMC_XO: | |
3207 | case XMC_SV: | |
3208 | case XMC_TI: | |
3209 | case XMC_TB: | |
3210 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3211 | symbol_get_tc (sym)->subseg = ppc_text_subsegment; |
252b5132 RH |
3212 | ++ppc_text_subsegment; |
3213 | list_ptr = &ppc_text_csects; | |
931e13a6 | 3214 | is_code = 1; |
252b5132 RH |
3215 | break; |
3216 | case XMC_RW: | |
3217 | case XMC_TC0: | |
3218 | case XMC_TC: | |
3219 | case XMC_DS: | |
3220 | case XMC_UA: | |
3221 | case XMC_BS: | |
3222 | case XMC_UC: | |
3223 | if (ppc_toc_csect != NULL | |
809ffe0d ILT |
3224 | && (symbol_get_tc (ppc_toc_csect)->subseg + 1 |
3225 | == ppc_data_subsegment)) | |
252b5132 RH |
3226 | after_toc = 1; |
3227 | S_SET_SEGMENT (sym, data_section); | |
809ffe0d | 3228 | symbol_get_tc (sym)->subseg = ppc_data_subsegment; |
252b5132 RH |
3229 | ++ppc_data_subsegment; |
3230 | list_ptr = &ppc_data_csects; | |
3231 | break; | |
3232 | default: | |
3233 | abort (); | |
3234 | } | |
3235 | ||
3236 | /* We set the obstack chunk size to a small value before | |
99a814a1 AM |
3237 | changing subsegments, so that we don't use a lot of memory |
3238 | space for what may be a small section. */ | |
252b5132 RH |
3239 | hold_chunksize = chunksize; |
3240 | chunksize = 64; | |
3241 | ||
931e13a6 AM |
3242 | sec = subseg_new (segment_name (S_GET_SEGMENT (sym)), |
3243 | symbol_get_tc (sym)->subseg); | |
252b5132 RH |
3244 | |
3245 | chunksize = hold_chunksize; | |
3246 | ||
3247 | if (after_toc) | |
3248 | ppc_after_toc_frag = frag_now; | |
3249 | ||
931e13a6 AM |
3250 | record_alignment (sec, align); |
3251 | if (is_code) | |
3252 | frag_align_code (align, 0); | |
3253 | else | |
3254 | frag_align (align, 0, 0); | |
3255 | ||
809ffe0d | 3256 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3257 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); |
3258 | ||
931e13a6 | 3259 | symbol_get_tc (sym)->align = align; |
809ffe0d ILT |
3260 | symbol_get_tc (sym)->output = 1; |
3261 | symbol_get_tc (sym)->within = sym; | |
81d4177b | 3262 | |
252b5132 | 3263 | for (list = *list_ptr; |
809ffe0d ILT |
3264 | symbol_get_tc (list)->next != (symbolS *) NULL; |
3265 | list = symbol_get_tc (list)->next) | |
252b5132 | 3266 | ; |
809ffe0d | 3267 | symbol_get_tc (list)->next = sym; |
81d4177b | 3268 | |
252b5132 | 3269 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); |
809ffe0d ILT |
3270 | symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP, |
3271 | &symbol_lastP); | |
252b5132 RH |
3272 | } |
3273 | ||
3274 | ppc_current_csect = sym; | |
3275 | } | |
3276 | ||
3277 | /* This function handles the .text and .data pseudo-ops. These | |
3278 | pseudo-ops aren't really used by XCOFF; we implement them for the | |
3279 | convenience of people who aren't used to XCOFF. */ | |
3280 | ||
3281 | static void | |
3282 | ppc_section (type) | |
3283 | int type; | |
3284 | { | |
3285 | const char *name; | |
3286 | symbolS *sym; | |
3287 | ||
3288 | if (type == 't') | |
3289 | name = ".text[PR]"; | |
3290 | else if (type == 'd') | |
3291 | name = ".data[RW]"; | |
3292 | else | |
3293 | abort (); | |
3294 | ||
3295 | sym = symbol_find_or_make (name); | |
3296 | ||
931e13a6 | 3297 | ppc_change_csect (sym, 2); |
252b5132 RH |
3298 | |
3299 | demand_empty_rest_of_line (); | |
3300 | } | |
3301 | ||
3302 | /* This function handles the .section pseudo-op. This is mostly to | |
3303 | give an error, since XCOFF only supports .text, .data and .bss, but | |
3304 | we do permit the user to name the text or data section. */ | |
3305 | ||
3306 | static void | |
3307 | ppc_named_section (ignore) | |
5480ccf3 | 3308 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3309 | { |
3310 | char *user_name; | |
3311 | const char *real_name; | |
3312 | char c; | |
3313 | symbolS *sym; | |
3314 | ||
3315 | user_name = input_line_pointer; | |
3316 | c = get_symbol_end (); | |
3317 | ||
3318 | if (strcmp (user_name, ".text") == 0) | |
3319 | real_name = ".text[PR]"; | |
3320 | else if (strcmp (user_name, ".data") == 0) | |
3321 | real_name = ".data[RW]"; | |
3322 | else | |
3323 | { | |
3324 | as_bad (_("The XCOFF file format does not support arbitrary sections")); | |
3325 | *input_line_pointer = c; | |
3326 | ignore_rest_of_line (); | |
3327 | return; | |
3328 | } | |
3329 | ||
3330 | *input_line_pointer = c; | |
3331 | ||
3332 | sym = symbol_find_or_make (real_name); | |
3333 | ||
931e13a6 | 3334 | ppc_change_csect (sym, 2); |
252b5132 RH |
3335 | |
3336 | demand_empty_rest_of_line (); | |
3337 | } | |
3338 | ||
3339 | /* The .extern pseudo-op. We create an undefined symbol. */ | |
3340 | ||
3341 | static void | |
3342 | ppc_extern (ignore) | |
5480ccf3 | 3343 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3344 | { |
3345 | char *name; | |
3346 | char endc; | |
3347 | ||
3348 | name = input_line_pointer; | |
3349 | endc = get_symbol_end (); | |
3350 | ||
3351 | (void) symbol_find_or_make (name); | |
3352 | ||
3353 | *input_line_pointer = endc; | |
3354 | ||
3355 | demand_empty_rest_of_line (); | |
3356 | } | |
3357 | ||
3358 | /* The .lglobl pseudo-op. Keep the symbol in the symbol table. */ | |
3359 | ||
3360 | static void | |
3361 | ppc_lglobl (ignore) | |
5480ccf3 | 3362 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3363 | { |
3364 | char *name; | |
3365 | char endc; | |
3366 | symbolS *sym; | |
3367 | ||
3368 | name = input_line_pointer; | |
3369 | endc = get_symbol_end (); | |
3370 | ||
3371 | sym = symbol_find_or_make (name); | |
3372 | ||
3373 | *input_line_pointer = endc; | |
3374 | ||
809ffe0d | 3375 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3376 | |
3377 | demand_empty_rest_of_line (); | |
3378 | } | |
3379 | ||
3380 | /* The .rename pseudo-op. The RS/6000 assembler can rename symbols, | |
3381 | although I don't know why it bothers. */ | |
3382 | ||
3383 | static void | |
3384 | ppc_rename (ignore) | |
5480ccf3 | 3385 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3386 | { |
3387 | char *name; | |
3388 | char endc; | |
3389 | symbolS *sym; | |
3390 | int len; | |
3391 | ||
3392 | name = input_line_pointer; | |
3393 | endc = get_symbol_end (); | |
3394 | ||
3395 | sym = symbol_find_or_make (name); | |
3396 | ||
3397 | *input_line_pointer = endc; | |
3398 | ||
3399 | if (*input_line_pointer != ',') | |
3400 | { | |
3401 | as_bad (_("missing rename string")); | |
3402 | ignore_rest_of_line (); | |
3403 | return; | |
3404 | } | |
3405 | ++input_line_pointer; | |
3406 | ||
809ffe0d | 3407 | symbol_get_tc (sym)->real_name = demand_copy_C_string (&len); |
252b5132 RH |
3408 | |
3409 | demand_empty_rest_of_line (); | |
3410 | } | |
3411 | ||
3412 | /* The .stabx pseudo-op. This is similar to a normal .stabs | |
3413 | pseudo-op, but slightly different. A sample is | |
3414 | .stabx "main:F-1",.main,142,0 | |
3415 | The first argument is the symbol name to create. The second is the | |
3416 | value, and the third is the storage class. The fourth seems to be | |
3417 | always zero, and I am assuming it is the type. */ | |
3418 | ||
3419 | static void | |
3420 | ppc_stabx (ignore) | |
5480ccf3 | 3421 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3422 | { |
3423 | char *name; | |
3424 | int len; | |
3425 | symbolS *sym; | |
3426 | expressionS exp; | |
3427 | ||
3428 | name = demand_copy_C_string (&len); | |
3429 | ||
3430 | if (*input_line_pointer != ',') | |
3431 | { | |
3432 | as_bad (_("missing value")); | |
3433 | return; | |
3434 | } | |
3435 | ++input_line_pointer; | |
3436 | ||
b34976b6 | 3437 | ppc_stab_symbol = TRUE; |
252b5132 | 3438 | sym = symbol_make (name); |
b34976b6 | 3439 | ppc_stab_symbol = FALSE; |
252b5132 | 3440 | |
809ffe0d | 3441 | symbol_get_tc (sym)->real_name = name; |
252b5132 RH |
3442 | |
3443 | (void) expression (&exp); | |
3444 | ||
3445 | switch (exp.X_op) | |
3446 | { | |
3447 | case O_illegal: | |
3448 | case O_absent: | |
3449 | case O_big: | |
3450 | as_bad (_("illegal .stabx expression; zero assumed")); | |
3451 | exp.X_add_number = 0; | |
3452 | /* Fall through. */ | |
3453 | case O_constant: | |
3454 | S_SET_VALUE (sym, (valueT) exp.X_add_number); | |
809ffe0d | 3455 | symbol_set_frag (sym, &zero_address_frag); |
252b5132 RH |
3456 | break; |
3457 | ||
3458 | case O_symbol: | |
3459 | if (S_GET_SEGMENT (exp.X_add_symbol) == undefined_section) | |
809ffe0d | 3460 | symbol_set_value_expression (sym, &exp); |
252b5132 RH |
3461 | else |
3462 | { | |
3463 | S_SET_VALUE (sym, | |
3464 | exp.X_add_number + S_GET_VALUE (exp.X_add_symbol)); | |
809ffe0d | 3465 | symbol_set_frag (sym, symbol_get_frag (exp.X_add_symbol)); |
252b5132 RH |
3466 | } |
3467 | break; | |
3468 | ||
3469 | default: | |
3470 | /* The value is some complex expression. This will probably | |
99a814a1 AM |
3471 | fail at some later point, but this is probably the right |
3472 | thing to do here. */ | |
809ffe0d | 3473 | symbol_set_value_expression (sym, &exp); |
252b5132 RH |
3474 | break; |
3475 | } | |
3476 | ||
3477 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 3478 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3479 | |
3480 | if (*input_line_pointer != ',') | |
3481 | { | |
3482 | as_bad (_("missing class")); | |
3483 | return; | |
3484 | } | |
3485 | ++input_line_pointer; | |
3486 | ||
3487 | S_SET_STORAGE_CLASS (sym, get_absolute_expression ()); | |
3488 | ||
3489 | if (*input_line_pointer != ',') | |
3490 | { | |
3491 | as_bad (_("missing type")); | |
3492 | return; | |
3493 | } | |
3494 | ++input_line_pointer; | |
3495 | ||
3496 | S_SET_DATA_TYPE (sym, get_absolute_expression ()); | |
3497 | ||
809ffe0d | 3498 | symbol_get_tc (sym)->output = 1; |
252b5132 | 3499 | |
6877bb43 | 3500 | if (S_GET_STORAGE_CLASS (sym) == C_STSYM) { |
99a814a1 | 3501 | |
809ffe0d | 3502 | symbol_get_tc (sym)->within = ppc_current_block; |
252b5132 | 3503 | |
41ea10b1 | 3504 | /* In this case : |
99a814a1 | 3505 | |
41ea10b1 TR |
3506 | .bs name |
3507 | .stabx "z",arrays_,133,0 | |
3508 | .es | |
99a814a1 | 3509 | |
41ea10b1 | 3510 | .comm arrays_,13768,3 |
99a814a1 | 3511 | |
41ea10b1 TR |
3512 | resolve_symbol_value will copy the exp's "within" into sym's when the |
3513 | offset is 0. Since this seems to be corner case problem, | |
3514 | only do the correction for storage class C_STSYM. A better solution | |
0baf16f2 | 3515 | would be to have the tc field updated in ppc_symbol_new_hook. */ |
99a814a1 AM |
3516 | |
3517 | if (exp.X_op == O_symbol) | |
41ea10b1 TR |
3518 | { |
3519 | symbol_get_tc (exp.X_add_symbol)->within = ppc_current_block; | |
3520 | } | |
6877bb43 | 3521 | } |
99a814a1 | 3522 | |
252b5132 RH |
3523 | if (exp.X_op != O_symbol |
3524 | || ! S_IS_EXTERNAL (exp.X_add_symbol) | |
3525 | || S_GET_SEGMENT (exp.X_add_symbol) != bss_section) | |
3526 | ppc_frob_label (sym); | |
3527 | else | |
3528 | { | |
3529 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
3530 | symbol_append (sym, exp.X_add_symbol, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
3531 | if (symbol_get_tc (ppc_current_csect)->within == exp.X_add_symbol) |
3532 | symbol_get_tc (ppc_current_csect)->within = sym; | |
252b5132 RH |
3533 | } |
3534 | ||
3535 | demand_empty_rest_of_line (); | |
3536 | } | |
3537 | ||
3538 | /* The .function pseudo-op. This takes several arguments. The first | |
3539 | argument seems to be the external name of the symbol. The second | |
67c1ffbe | 3540 | argument seems to be the label for the start of the function. gcc |
252b5132 RH |
3541 | uses the same name for both. I have no idea what the third and |
3542 | fourth arguments are meant to be. The optional fifth argument is | |
3543 | an expression for the size of the function. In COFF this symbol | |
3544 | gets an aux entry like that used for a csect. */ | |
3545 | ||
3546 | static void | |
3547 | ppc_function (ignore) | |
5480ccf3 | 3548 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3549 | { |
3550 | char *name; | |
3551 | char endc; | |
3552 | char *s; | |
3553 | symbolS *ext_sym; | |
3554 | symbolS *lab_sym; | |
3555 | ||
3556 | name = input_line_pointer; | |
3557 | endc = get_symbol_end (); | |
3558 | ||
3559 | /* Ignore any [PR] suffix. */ | |
3560 | name = ppc_canonicalize_symbol_name (name); | |
3561 | s = strchr (name, '['); | |
3562 | if (s != (char *) NULL | |
3563 | && strcmp (s + 1, "PR]") == 0) | |
3564 | *s = '\0'; | |
3565 | ||
3566 | ext_sym = symbol_find_or_make (name); | |
3567 | ||
3568 | *input_line_pointer = endc; | |
3569 | ||
3570 | if (*input_line_pointer != ',') | |
3571 | { | |
3572 | as_bad (_("missing symbol name")); | |
3573 | ignore_rest_of_line (); | |
3574 | return; | |
3575 | } | |
3576 | ++input_line_pointer; | |
3577 | ||
3578 | name = input_line_pointer; | |
3579 | endc = get_symbol_end (); | |
3580 | ||
3581 | lab_sym = symbol_find_or_make (name); | |
3582 | ||
3583 | *input_line_pointer = endc; | |
3584 | ||
3585 | if (ext_sym != lab_sym) | |
3586 | { | |
809ffe0d ILT |
3587 | expressionS exp; |
3588 | ||
3589 | exp.X_op = O_symbol; | |
3590 | exp.X_add_symbol = lab_sym; | |
3591 | exp.X_op_symbol = NULL; | |
3592 | exp.X_add_number = 0; | |
3593 | exp.X_unsigned = 0; | |
3594 | symbol_set_value_expression (ext_sym, &exp); | |
252b5132 RH |
3595 | } |
3596 | ||
809ffe0d ILT |
3597 | if (symbol_get_tc (ext_sym)->class == -1) |
3598 | symbol_get_tc (ext_sym)->class = XMC_PR; | |
3599 | symbol_get_tc (ext_sym)->output = 1; | |
252b5132 RH |
3600 | |
3601 | if (*input_line_pointer == ',') | |
3602 | { | |
3603 | expressionS ignore; | |
3604 | ||
3605 | /* Ignore the third argument. */ | |
3606 | ++input_line_pointer; | |
3607 | expression (&ignore); | |
3608 | if (*input_line_pointer == ',') | |
3609 | { | |
3610 | /* Ignore the fourth argument. */ | |
3611 | ++input_line_pointer; | |
3612 | expression (&ignore); | |
3613 | if (*input_line_pointer == ',') | |
3614 | { | |
3615 | /* The fifth argument is the function size. */ | |
3616 | ++input_line_pointer; | |
809ffe0d ILT |
3617 | symbol_get_tc (ext_sym)->size = symbol_new ("L0\001", |
3618 | absolute_section, | |
3619 | (valueT) 0, | |
3620 | &zero_address_frag); | |
3621 | pseudo_set (symbol_get_tc (ext_sym)->size); | |
252b5132 RH |
3622 | } |
3623 | } | |
3624 | } | |
3625 | ||
3626 | S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT); | |
3627 | SF_SET_FUNCTION (ext_sym); | |
3628 | SF_SET_PROCESS (ext_sym); | |
3629 | coff_add_linesym (ext_sym); | |
3630 | ||
3631 | demand_empty_rest_of_line (); | |
3632 | } | |
3633 | ||
3634 | /* The .bf pseudo-op. This is just like a COFF C_FCN symbol named | |
8642cce8 TR |
3635 | ".bf". If the pseudo op .bi was seen before .bf, patch the .bi sym |
3636 | with the correct line number */ | |
5d6255fe | 3637 | |
8642cce8 | 3638 | static symbolS *saved_bi_sym = 0; |
252b5132 RH |
3639 | |
3640 | static void | |
3641 | ppc_bf (ignore) | |
5480ccf3 | 3642 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3643 | { |
3644 | symbolS *sym; | |
3645 | ||
3646 | sym = symbol_make (".bf"); | |
3647 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3648 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3649 | S_SET_VALUE (sym, frag_now_fix ()); |
3650 | S_SET_STORAGE_CLASS (sym, C_FCN); | |
3651 | ||
3652 | coff_line_base = get_absolute_expression (); | |
3653 | ||
3654 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3655 | SA_SET_SYM_LNNO (sym, coff_line_base); | |
3656 | ||
8642cce8 | 3657 | /* Line number for bi. */ |
5d6255fe | 3658 | if (saved_bi_sym) |
8642cce8 TR |
3659 | { |
3660 | S_SET_VALUE (saved_bi_sym, coff_n_line_nos); | |
3661 | saved_bi_sym = 0; | |
3662 | } | |
5d6255fe | 3663 | |
8642cce8 | 3664 | |
809ffe0d | 3665 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3666 | |
3667 | ppc_frob_label (sym); | |
3668 | ||
3669 | demand_empty_rest_of_line (); | |
3670 | } | |
3671 | ||
3672 | /* The .ef pseudo-op. This is just like a COFF C_FCN symbol named | |
3673 | ".ef", except that the line number is absolute, not relative to the | |
3674 | most recent ".bf" symbol. */ | |
3675 | ||
3676 | static void | |
3677 | ppc_ef (ignore) | |
5480ccf3 | 3678 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3679 | { |
3680 | symbolS *sym; | |
3681 | ||
3682 | sym = symbol_make (".ef"); | |
3683 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3684 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3685 | S_SET_VALUE (sym, frag_now_fix ()); |
3686 | S_SET_STORAGE_CLASS (sym, C_FCN); | |
3687 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3688 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
809ffe0d | 3689 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3690 | |
3691 | ppc_frob_label (sym); | |
3692 | ||
3693 | demand_empty_rest_of_line (); | |
3694 | } | |
3695 | ||
3696 | /* The .bi and .ei pseudo-ops. These take a string argument and | |
3697 | generates a C_BINCL or C_EINCL symbol, which goes at the start of | |
8642cce8 TR |
3698 | the symbol list. The value of .bi will be know when the next .bf |
3699 | is encountered. */ | |
252b5132 RH |
3700 | |
3701 | static void | |
3702 | ppc_biei (ei) | |
3703 | int ei; | |
3704 | { | |
3705 | static symbolS *last_biei; | |
3706 | ||
3707 | char *name; | |
3708 | int len; | |
3709 | symbolS *sym; | |
3710 | symbolS *look; | |
3711 | ||
3712 | name = demand_copy_C_string (&len); | |
3713 | ||
3714 | /* The value of these symbols is actually file offset. Here we set | |
3715 | the value to the index into the line number entries. In | |
3716 | ppc_frob_symbols we set the fix_line field, which will cause BFD | |
3717 | to do the right thing. */ | |
3718 | ||
3719 | sym = symbol_make (name); | |
3720 | /* obj-coff.c currently only handles line numbers correctly in the | |
3721 | .text section. */ | |
3722 | S_SET_SEGMENT (sym, text_section); | |
3723 | S_SET_VALUE (sym, coff_n_line_nos); | |
809ffe0d | 3724 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3725 | |
3726 | S_SET_STORAGE_CLASS (sym, ei ? C_EINCL : C_BINCL); | |
809ffe0d | 3727 | symbol_get_tc (sym)->output = 1; |
81d4177b | 3728 | |
8642cce8 | 3729 | /* Save bi. */ |
5d6255fe | 3730 | if (ei) |
8642cce8 TR |
3731 | saved_bi_sym = 0; |
3732 | else | |
3733 | saved_bi_sym = sym; | |
3734 | ||
252b5132 RH |
3735 | for (look = last_biei ? last_biei : symbol_rootP; |
3736 | (look != (symbolS *) NULL | |
3737 | && (S_GET_STORAGE_CLASS (look) == C_FILE | |
3738 | || S_GET_STORAGE_CLASS (look) == C_BINCL | |
3739 | || S_GET_STORAGE_CLASS (look) == C_EINCL)); | |
3740 | look = symbol_next (look)) | |
3741 | ; | |
3742 | if (look != (symbolS *) NULL) | |
3743 | { | |
3744 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
3745 | symbol_insert (sym, look, &symbol_rootP, &symbol_lastP); | |
3746 | last_biei = sym; | |
3747 | } | |
3748 | ||
3749 | demand_empty_rest_of_line (); | |
3750 | } | |
3751 | ||
3752 | /* The .bs pseudo-op. This generates a C_BSTAT symbol named ".bs". | |
3753 | There is one argument, which is a csect symbol. The value of the | |
3754 | .bs symbol is the index of this csect symbol. */ | |
3755 | ||
3756 | static void | |
3757 | ppc_bs (ignore) | |
5480ccf3 | 3758 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3759 | { |
3760 | char *name; | |
3761 | char endc; | |
3762 | symbolS *csect; | |
3763 | symbolS *sym; | |
3764 | ||
3765 | if (ppc_current_block != NULL) | |
3766 | as_bad (_("nested .bs blocks")); | |
3767 | ||
3768 | name = input_line_pointer; | |
3769 | endc = get_symbol_end (); | |
3770 | ||
3771 | csect = symbol_find_or_make (name); | |
3772 | ||
3773 | *input_line_pointer = endc; | |
3774 | ||
3775 | sym = symbol_make (".bs"); | |
3776 | S_SET_SEGMENT (sym, now_seg); | |
3777 | S_SET_STORAGE_CLASS (sym, C_BSTAT); | |
809ffe0d ILT |
3778 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
3779 | symbol_get_tc (sym)->output = 1; | |
252b5132 | 3780 | |
809ffe0d | 3781 | symbol_get_tc (sym)->within = csect; |
252b5132 RH |
3782 | |
3783 | ppc_frob_label (sym); | |
3784 | ||
3785 | ppc_current_block = sym; | |
3786 | ||
3787 | demand_empty_rest_of_line (); | |
3788 | } | |
3789 | ||
3790 | /* The .es pseudo-op. Generate a C_ESTART symbol named .es. */ | |
3791 | ||
3792 | static void | |
3793 | ppc_es (ignore) | |
5480ccf3 | 3794 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3795 | { |
3796 | symbolS *sym; | |
3797 | ||
3798 | if (ppc_current_block == NULL) | |
3799 | as_bad (_(".es without preceding .bs")); | |
3800 | ||
3801 | sym = symbol_make (".es"); | |
3802 | S_SET_SEGMENT (sym, now_seg); | |
3803 | S_SET_STORAGE_CLASS (sym, C_ESTAT); | |
809ffe0d ILT |
3804 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
3805 | symbol_get_tc (sym)->output = 1; | |
252b5132 RH |
3806 | |
3807 | ppc_frob_label (sym); | |
3808 | ||
3809 | ppc_current_block = NULL; | |
3810 | ||
3811 | demand_empty_rest_of_line (); | |
3812 | } | |
3813 | ||
3814 | /* The .bb pseudo-op. Generate a C_BLOCK symbol named .bb, with a | |
3815 | line number. */ | |
3816 | ||
3817 | static void | |
3818 | ppc_bb (ignore) | |
5480ccf3 | 3819 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3820 | { |
3821 | symbolS *sym; | |
3822 | ||
3823 | sym = symbol_make (".bb"); | |
3824 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3825 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3826 | S_SET_VALUE (sym, frag_now_fix ()); |
3827 | S_SET_STORAGE_CLASS (sym, C_BLOCK); | |
3828 | ||
3829 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3830 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
3831 | ||
809ffe0d | 3832 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3833 | |
3834 | SF_SET_PROCESS (sym); | |
3835 | ||
3836 | ppc_frob_label (sym); | |
3837 | ||
3838 | demand_empty_rest_of_line (); | |
3839 | } | |
3840 | ||
3841 | /* The .eb pseudo-op. Generate a C_BLOCK symbol named .eb, with a | |
3842 | line number. */ | |
3843 | ||
3844 | static void | |
3845 | ppc_eb (ignore) | |
5480ccf3 | 3846 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3847 | { |
3848 | symbolS *sym; | |
3849 | ||
3850 | sym = symbol_make (".eb"); | |
3851 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3852 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3853 | S_SET_VALUE (sym, frag_now_fix ()); |
3854 | S_SET_STORAGE_CLASS (sym, C_BLOCK); | |
3855 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3856 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
809ffe0d | 3857 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3858 | |
3859 | SF_SET_PROCESS (sym); | |
3860 | ||
3861 | ppc_frob_label (sym); | |
3862 | ||
3863 | demand_empty_rest_of_line (); | |
3864 | } | |
3865 | ||
3866 | /* The .bc pseudo-op. This just creates a C_BCOMM symbol with a | |
3867 | specified name. */ | |
3868 | ||
3869 | static void | |
3870 | ppc_bc (ignore) | |
5480ccf3 | 3871 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3872 | { |
3873 | char *name; | |
3874 | int len; | |
3875 | symbolS *sym; | |
3876 | ||
3877 | name = demand_copy_C_string (&len); | |
3878 | sym = symbol_make (name); | |
3879 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 3880 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3881 | S_SET_STORAGE_CLASS (sym, C_BCOMM); |
3882 | S_SET_VALUE (sym, 0); | |
809ffe0d | 3883 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3884 | |
3885 | ppc_frob_label (sym); | |
3886 | ||
3887 | demand_empty_rest_of_line (); | |
3888 | } | |
3889 | ||
3890 | /* The .ec pseudo-op. This just creates a C_ECOMM symbol. */ | |
3891 | ||
3892 | static void | |
3893 | ppc_ec (ignore) | |
5480ccf3 | 3894 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3895 | { |
3896 | symbolS *sym; | |
3897 | ||
3898 | sym = symbol_make (".ec"); | |
3899 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 3900 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3901 | S_SET_STORAGE_CLASS (sym, C_ECOMM); |
3902 | S_SET_VALUE (sym, 0); | |
809ffe0d | 3903 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3904 | |
3905 | ppc_frob_label (sym); | |
3906 | ||
3907 | demand_empty_rest_of_line (); | |
3908 | } | |
3909 | ||
3910 | /* The .toc pseudo-op. Switch to the .toc subsegment. */ | |
3911 | ||
3912 | static void | |
3913 | ppc_toc (ignore) | |
5480ccf3 | 3914 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3915 | { |
3916 | if (ppc_toc_csect != (symbolS *) NULL) | |
809ffe0d | 3917 | subseg_set (data_section, symbol_get_tc (ppc_toc_csect)->subseg); |
252b5132 RH |
3918 | else |
3919 | { | |
3920 | subsegT subseg; | |
3921 | symbolS *sym; | |
3922 | symbolS *list; | |
81d4177b | 3923 | |
252b5132 RH |
3924 | subseg = ppc_data_subsegment; |
3925 | ++ppc_data_subsegment; | |
3926 | ||
3927 | subseg_new (segment_name (data_section), subseg); | |
3928 | ppc_toc_frag = frag_now; | |
3929 | ||
3930 | sym = symbol_find_or_make ("TOC[TC0]"); | |
809ffe0d | 3931 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3932 | S_SET_SEGMENT (sym, data_section); |
3933 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); | |
809ffe0d ILT |
3934 | symbol_get_tc (sym)->subseg = subseg; |
3935 | symbol_get_tc (sym)->output = 1; | |
3936 | symbol_get_tc (sym)->within = sym; | |
252b5132 RH |
3937 | |
3938 | ppc_toc_csect = sym; | |
81d4177b | 3939 | |
252b5132 | 3940 | for (list = ppc_data_csects; |
809ffe0d ILT |
3941 | symbol_get_tc (list)->next != (symbolS *) NULL; |
3942 | list = symbol_get_tc (list)->next) | |
252b5132 | 3943 | ; |
809ffe0d | 3944 | symbol_get_tc (list)->next = sym; |
252b5132 RH |
3945 | |
3946 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
3947 | symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP, |
3948 | &symbol_lastP); | |
252b5132 RH |
3949 | } |
3950 | ||
3951 | ppc_current_csect = ppc_toc_csect; | |
3952 | ||
3953 | demand_empty_rest_of_line (); | |
3954 | } | |
3955 | ||
3956 | /* The AIX assembler automatically aligns the operands of a .long or | |
3957 | .short pseudo-op, and we want to be compatible. */ | |
3958 | ||
3959 | static void | |
3960 | ppc_xcoff_cons (log_size) | |
3961 | int log_size; | |
3962 | { | |
3963 | frag_align (log_size, 0, 0); | |
3964 | record_alignment (now_seg, log_size); | |
3965 | cons (1 << log_size); | |
3966 | } | |
3967 | ||
3968 | static void | |
3969 | ppc_vbyte (dummy) | |
5480ccf3 | 3970 | int dummy ATTRIBUTE_UNUSED; |
252b5132 RH |
3971 | { |
3972 | expressionS exp; | |
3973 | int byte_count; | |
3974 | ||
3975 | (void) expression (&exp); | |
3976 | ||
3977 | if (exp.X_op != O_constant) | |
3978 | { | |
3979 | as_bad (_("non-constant byte count")); | |
3980 | return; | |
3981 | } | |
3982 | ||
3983 | byte_count = exp.X_add_number; | |
3984 | ||
3985 | if (*input_line_pointer != ',') | |
3986 | { | |
3987 | as_bad (_("missing value")); | |
3988 | return; | |
3989 | } | |
3990 | ||
3991 | ++input_line_pointer; | |
3992 | cons (byte_count); | |
3993 | } | |
3994 | ||
3995 | #endif /* OBJ_XCOFF */ | |
0baf16f2 | 3996 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
252b5132 RH |
3997 | \f |
3998 | /* The .tc pseudo-op. This is used when generating either XCOFF or | |
3999 | ELF. This takes two or more arguments. | |
4000 | ||
4001 | When generating XCOFF output, the first argument is the name to | |
4002 | give to this location in the toc; this will be a symbol with class | |
0baf16f2 | 4003 | TC. The rest of the arguments are N-byte values to actually put at |
252b5132 | 4004 | this location in the TOC; often there is just one more argument, a |
1049f94e | 4005 | relocatable symbol reference. The size of the value to store |
0baf16f2 AM |
4006 | depends on target word size. A 32-bit target uses 4-byte values, a |
4007 | 64-bit target uses 8-byte values. | |
252b5132 RH |
4008 | |
4009 | When not generating XCOFF output, the arguments are the same, but | |
4010 | the first argument is simply ignored. */ | |
4011 | ||
4012 | static void | |
4013 | ppc_tc (ignore) | |
92161534 | 4014 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
4015 | { |
4016 | #ifdef OBJ_XCOFF | |
4017 | ||
4018 | /* Define the TOC symbol name. */ | |
4019 | { | |
4020 | char *name; | |
4021 | char endc; | |
4022 | symbolS *sym; | |
4023 | ||
4024 | if (ppc_toc_csect == (symbolS *) NULL | |
4025 | || ppc_toc_csect != ppc_current_csect) | |
4026 | { | |
4027 | as_bad (_(".tc not in .toc section")); | |
4028 | ignore_rest_of_line (); | |
4029 | return; | |
4030 | } | |
4031 | ||
4032 | name = input_line_pointer; | |
4033 | endc = get_symbol_end (); | |
4034 | ||
4035 | sym = symbol_find_or_make (name); | |
4036 | ||
4037 | *input_line_pointer = endc; | |
4038 | ||
4039 | if (S_IS_DEFINED (sym)) | |
4040 | { | |
4041 | symbolS *label; | |
4042 | ||
809ffe0d ILT |
4043 | label = symbol_get_tc (ppc_current_csect)->within; |
4044 | if (symbol_get_tc (label)->class != XMC_TC0) | |
252b5132 RH |
4045 | { |
4046 | as_bad (_(".tc with no label")); | |
4047 | ignore_rest_of_line (); | |
4048 | return; | |
4049 | } | |
4050 | ||
4051 | S_SET_SEGMENT (label, S_GET_SEGMENT (sym)); | |
809ffe0d | 4052 | symbol_set_frag (label, symbol_get_frag (sym)); |
252b5132 RH |
4053 | S_SET_VALUE (label, S_GET_VALUE (sym)); |
4054 | ||
4055 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
4056 | ++input_line_pointer; | |
4057 | ||
4058 | return; | |
4059 | } | |
4060 | ||
4061 | S_SET_SEGMENT (sym, now_seg); | |
809ffe0d | 4062 | symbol_set_frag (sym, frag_now); |
252b5132 | 4063 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); |
809ffe0d ILT |
4064 | symbol_get_tc (sym)->class = XMC_TC; |
4065 | symbol_get_tc (sym)->output = 1; | |
252b5132 RH |
4066 | |
4067 | ppc_frob_label (sym); | |
4068 | } | |
4069 | ||
0baf16f2 AM |
4070 | #endif /* OBJ_XCOFF */ |
4071 | #ifdef OBJ_ELF | |
9c7977b3 | 4072 | int align; |
252b5132 RH |
4073 | |
4074 | /* Skip the TOC symbol name. */ | |
4075 | while (is_part_of_name (*input_line_pointer) | |
4076 | || *input_line_pointer == '[' | |
4077 | || *input_line_pointer == ']' | |
4078 | || *input_line_pointer == '{' | |
4079 | || *input_line_pointer == '}') | |
4080 | ++input_line_pointer; | |
4081 | ||
0baf16f2 | 4082 | /* Align to a four/eight byte boundary. */ |
2b3c4602 | 4083 | align = ppc_obj64 ? 3 : 2; |
9c7977b3 AM |
4084 | frag_align (align, 0, 0); |
4085 | record_alignment (now_seg, align); | |
0baf16f2 | 4086 | #endif /* OBJ_ELF */ |
252b5132 RH |
4087 | |
4088 | if (*input_line_pointer != ',') | |
4089 | demand_empty_rest_of_line (); | |
4090 | else | |
4091 | { | |
4092 | ++input_line_pointer; | |
2b3c4602 | 4093 | cons (ppc_obj64 ? 8 : 4); |
252b5132 RH |
4094 | } |
4095 | } | |
0baf16f2 AM |
4096 | |
4097 | /* Pseudo-op .machine. */ | |
0baf16f2 AM |
4098 | |
4099 | static void | |
4100 | ppc_machine (ignore) | |
4101 | int ignore ATTRIBUTE_UNUSED; | |
4102 | { | |
69c040df AM |
4103 | char *cpu_string; |
4104 | #define MAX_HISTORY 100 | |
4105 | static unsigned long *cpu_history; | |
4106 | static int curr_hist; | |
4107 | ||
4108 | SKIP_WHITESPACE (); | |
4109 | ||
4110 | if (*input_line_pointer == '"') | |
4111 | { | |
4112 | int len; | |
4113 | cpu_string = demand_copy_C_string (&len); | |
4114 | } | |
4115 | else | |
4116 | { | |
4117 | char c; | |
4118 | cpu_string = input_line_pointer; | |
4119 | c = get_symbol_end (); | |
4120 | cpu_string = xstrdup (cpu_string); | |
4121 | *input_line_pointer = c; | |
4122 | } | |
4123 | ||
4124 | if (cpu_string != NULL) | |
4125 | { | |
4126 | unsigned long old_cpu = ppc_cpu; | |
4127 | char *p; | |
4128 | ||
4129 | for (p = cpu_string; *p != 0; p++) | |
4130 | *p = TOLOWER (*p); | |
4131 | ||
4132 | if (strcmp (cpu_string, "push") == 0) | |
4133 | { | |
4134 | if (cpu_history == NULL) | |
4135 | cpu_history = xmalloc (MAX_HISTORY * sizeof (*cpu_history)); | |
4136 | ||
4137 | if (curr_hist >= MAX_HISTORY) | |
4138 | as_bad (_(".machine stack overflow")); | |
4139 | else | |
4140 | cpu_history[curr_hist++] = ppc_cpu; | |
4141 | } | |
4142 | else if (strcmp (cpu_string, "pop") == 0) | |
4143 | { | |
4144 | if (curr_hist <= 0) | |
4145 | as_bad (_(".machine stack underflow")); | |
4146 | else | |
4147 | ppc_cpu = cpu_history[--curr_hist]; | |
4148 | } | |
4149 | else if (parse_cpu (cpu_string)) | |
4150 | ; | |
4151 | else | |
4152 | as_bad (_("invalid machine `%s'"), cpu_string); | |
4153 | ||
4154 | if (ppc_cpu != old_cpu) | |
4155 | ppc_setup_opcodes (); | |
4156 | } | |
4157 | ||
4158 | demand_empty_rest_of_line (); | |
0baf16f2 AM |
4159 | } |
4160 | ||
4161 | /* See whether a symbol is in the TOC section. */ | |
4162 | ||
4163 | static int | |
4164 | ppc_is_toc_sym (sym) | |
4165 | symbolS *sym; | |
4166 | { | |
4167 | #ifdef OBJ_XCOFF | |
4168 | return symbol_get_tc (sym)->class == XMC_TC; | |
4169 | #endif | |
4170 | #ifdef OBJ_ELF | |
4171 | const char *sname = segment_name (S_GET_SEGMENT (sym)); | |
2b3c4602 | 4172 | if (ppc_obj64) |
0baf16f2 AM |
4173 | return strcmp (sname, ".toc") == 0; |
4174 | else | |
4175 | return strcmp (sname, ".got") == 0; | |
4176 | #endif | |
4177 | } | |
4178 | #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */ | |
252b5132 RH |
4179 | \f |
4180 | #ifdef TE_PE | |
4181 | ||
99a814a1 | 4182 | /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */ |
252b5132 RH |
4183 | |
4184 | /* Set the current section. */ | |
4185 | static void | |
4186 | ppc_set_current_section (new) | |
4187 | segT new; | |
4188 | { | |
4189 | ppc_previous_section = ppc_current_section; | |
4190 | ppc_current_section = new; | |
4191 | } | |
4192 | ||
4193 | /* pseudo-op: .previous | |
4194 | behaviour: toggles the current section with the previous section. | |
4195 | errors: None | |
99a814a1 AM |
4196 | warnings: "No previous section" */ |
4197 | ||
252b5132 | 4198 | static void |
99a814a1 | 4199 | ppc_previous (ignore) |
5480ccf3 | 4200 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
4201 | { |
4202 | symbolS *tmp; | |
4203 | ||
81d4177b | 4204 | if (ppc_previous_section == NULL) |
252b5132 | 4205 | { |
99a814a1 | 4206 | as_warn (_("No previous section to return to. Directive ignored.")); |
252b5132 RH |
4207 | return; |
4208 | } | |
4209 | ||
99a814a1 | 4210 | subseg_set (ppc_previous_section, 0); |
252b5132 | 4211 | |
99a814a1 | 4212 | ppc_set_current_section (ppc_previous_section); |
252b5132 RH |
4213 | } |
4214 | ||
4215 | /* pseudo-op: .pdata | |
4216 | behaviour: predefined read only data section | |
b34976b6 | 4217 | double word aligned |
252b5132 RH |
4218 | errors: None |
4219 | warnings: None | |
4220 | initial: .section .pdata "adr3" | |
b34976b6 | 4221 | a - don't know -- maybe a misprint |
252b5132 RH |
4222 | d - initialized data |
4223 | r - readable | |
4224 | 3 - double word aligned (that would be 4 byte boundary) | |
4225 | ||
4226 | commentary: | |
4227 | Tag index tables (also known as the function table) for exception | |
99a814a1 | 4228 | handling, debugging, etc. */ |
252b5132 | 4229 | |
252b5132 | 4230 | static void |
99a814a1 | 4231 | ppc_pdata (ignore) |
5480ccf3 | 4232 | int ignore ATTRIBUTE_UNUSED; |
252b5132 | 4233 | { |
81d4177b | 4234 | if (pdata_section == 0) |
252b5132 RH |
4235 | { |
4236 | pdata_section = subseg_new (".pdata", 0); | |
81d4177b | 4237 | |
252b5132 RH |
4238 | bfd_set_section_flags (stdoutput, pdata_section, |
4239 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
4240 | | SEC_READONLY | SEC_DATA )); | |
81d4177b | 4241 | |
252b5132 RH |
4242 | bfd_set_section_alignment (stdoutput, pdata_section, 2); |
4243 | } | |
4244 | else | |
4245 | { | |
99a814a1 | 4246 | pdata_section = subseg_new (".pdata", 0); |
252b5132 | 4247 | } |
99a814a1 | 4248 | ppc_set_current_section (pdata_section); |
252b5132 RH |
4249 | } |
4250 | ||
4251 | /* pseudo-op: .ydata | |
4252 | behaviour: predefined read only data section | |
b34976b6 | 4253 | double word aligned |
252b5132 RH |
4254 | errors: None |
4255 | warnings: None | |
4256 | initial: .section .ydata "drw3" | |
b34976b6 | 4257 | a - don't know -- maybe a misprint |
252b5132 RH |
4258 | d - initialized data |
4259 | r - readable | |
4260 | 3 - double word aligned (that would be 4 byte boundary) | |
4261 | commentary: | |
4262 | Tag tables (also known as the scope table) for exception handling, | |
99a814a1 AM |
4263 | debugging, etc. */ |
4264 | ||
252b5132 | 4265 | static void |
99a814a1 | 4266 | ppc_ydata (ignore) |
5480ccf3 | 4267 | int ignore ATTRIBUTE_UNUSED; |
252b5132 | 4268 | { |
81d4177b | 4269 | if (ydata_section == 0) |
252b5132 RH |
4270 | { |
4271 | ydata_section = subseg_new (".ydata", 0); | |
4272 | bfd_set_section_flags (stdoutput, ydata_section, | |
99a814a1 AM |
4273 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
4274 | | SEC_READONLY | SEC_DATA )); | |
252b5132 RH |
4275 | |
4276 | bfd_set_section_alignment (stdoutput, ydata_section, 3); | |
4277 | } | |
4278 | else | |
4279 | { | |
4280 | ydata_section = subseg_new (".ydata", 0); | |
4281 | } | |
99a814a1 | 4282 | ppc_set_current_section (ydata_section); |
252b5132 RH |
4283 | } |
4284 | ||
4285 | /* pseudo-op: .reldata | |
4286 | behaviour: predefined read write data section | |
b34976b6 | 4287 | double word aligned (4-byte) |
252b5132 RH |
4288 | FIXME: relocation is applied to it |
4289 | FIXME: what's the difference between this and .data? | |
4290 | errors: None | |
4291 | warnings: None | |
4292 | initial: .section .reldata "drw3" | |
4293 | d - initialized data | |
4294 | r - readable | |
4295 | w - writeable | |
4296 | 3 - double word aligned (that would be 8 byte boundary) | |
4297 | ||
4298 | commentary: | |
4299 | Like .data, but intended to hold data subject to relocation, such as | |
99a814a1 AM |
4300 | function descriptors, etc. */ |
4301 | ||
252b5132 | 4302 | static void |
99a814a1 | 4303 | ppc_reldata (ignore) |
5480ccf3 | 4304 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
4305 | { |
4306 | if (reldata_section == 0) | |
4307 | { | |
4308 | reldata_section = subseg_new (".reldata", 0); | |
4309 | ||
4310 | bfd_set_section_flags (stdoutput, reldata_section, | |
99a814a1 AM |
4311 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
4312 | | SEC_DATA)); | |
252b5132 RH |
4313 | |
4314 | bfd_set_section_alignment (stdoutput, reldata_section, 2); | |
4315 | } | |
4316 | else | |
4317 | { | |
4318 | reldata_section = subseg_new (".reldata", 0); | |
4319 | } | |
99a814a1 | 4320 | ppc_set_current_section (reldata_section); |
252b5132 RH |
4321 | } |
4322 | ||
4323 | /* pseudo-op: .rdata | |
4324 | behaviour: predefined read only data section | |
b34976b6 | 4325 | double word aligned |
252b5132 RH |
4326 | errors: None |
4327 | warnings: None | |
4328 | initial: .section .rdata "dr3" | |
4329 | d - initialized data | |
4330 | r - readable | |
99a814a1 AM |
4331 | 3 - double word aligned (that would be 4 byte boundary) */ |
4332 | ||
252b5132 | 4333 | static void |
99a814a1 | 4334 | ppc_rdata (ignore) |
5480ccf3 | 4335 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
4336 | { |
4337 | if (rdata_section == 0) | |
4338 | { | |
4339 | rdata_section = subseg_new (".rdata", 0); | |
4340 | bfd_set_section_flags (stdoutput, rdata_section, | |
4341 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
4342 | | SEC_READONLY | SEC_DATA )); | |
4343 | ||
4344 | bfd_set_section_alignment (stdoutput, rdata_section, 2); | |
4345 | } | |
4346 | else | |
4347 | { | |
4348 | rdata_section = subseg_new (".rdata", 0); | |
4349 | } | |
99a814a1 | 4350 | ppc_set_current_section (rdata_section); |
252b5132 RH |
4351 | } |
4352 | ||
4353 | /* pseudo-op: .ualong | |
81d4177b | 4354 | behaviour: much like .int, with the exception that no alignment is |
b34976b6 | 4355 | performed. |
252b5132 RH |
4356 | FIXME: test the alignment statement |
4357 | errors: None | |
99a814a1 AM |
4358 | warnings: None */ |
4359 | ||
252b5132 | 4360 | static void |
99a814a1 | 4361 | ppc_ualong (ignore) |
5480ccf3 | 4362 | int ignore ATTRIBUTE_UNUSED; |
252b5132 | 4363 | { |
99a814a1 AM |
4364 | /* Try for long. */ |
4365 | cons (4); | |
252b5132 RH |
4366 | } |
4367 | ||
4368 | /* pseudo-op: .znop <symbol name> | |
4369 | behaviour: Issue a nop instruction | |
b34976b6 | 4370 | Issue a IMAGE_REL_PPC_IFGLUE relocation against it, using |
252b5132 RH |
4371 | the supplied symbol name. |
4372 | errors: None | |
99a814a1 AM |
4373 | warnings: Missing symbol name */ |
4374 | ||
252b5132 | 4375 | static void |
99a814a1 | 4376 | ppc_znop (ignore) |
5480ccf3 | 4377 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
4378 | { |
4379 | unsigned long insn; | |
4380 | const struct powerpc_opcode *opcode; | |
4381 | expressionS ex; | |
4382 | char *f; | |
252b5132 | 4383 | symbolS *sym; |
252b5132 RH |
4384 | char *symbol_name; |
4385 | char c; | |
4386 | char *name; | |
4387 | unsigned int exp; | |
4388 | flagword flags; | |
4389 | asection *sec; | |
4390 | ||
99a814a1 | 4391 | /* Strip out the symbol name. */ |
252b5132 RH |
4392 | symbol_name = input_line_pointer; |
4393 | c = get_symbol_end (); | |
4394 | ||
4395 | name = xmalloc (input_line_pointer - symbol_name + 1); | |
4396 | strcpy (name, symbol_name); | |
4397 | ||
4398 | sym = symbol_find_or_make (name); | |
4399 | ||
4400 | *input_line_pointer = c; | |
4401 | ||
4402 | SKIP_WHITESPACE (); | |
4403 | ||
4404 | /* Look up the opcode in the hash table. */ | |
4405 | opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, "nop"); | |
4406 | ||
99a814a1 | 4407 | /* Stick in the nop. */ |
252b5132 RH |
4408 | insn = opcode->opcode; |
4409 | ||
4410 | /* Write out the instruction. */ | |
4411 | f = frag_more (4); | |
4412 | md_number_to_chars (f, insn, 4); | |
4413 | fix_new (frag_now, | |
4414 | f - frag_now->fr_literal, | |
4415 | 4, | |
4416 | sym, | |
4417 | 0, | |
4418 | 0, | |
4419 | BFD_RELOC_16_GOT_PCREL); | |
4420 | ||
4421 | } | |
4422 | ||
81d4177b KH |
4423 | /* pseudo-op: |
4424 | behaviour: | |
4425 | errors: | |
99a814a1 AM |
4426 | warnings: */ |
4427 | ||
252b5132 | 4428 | static void |
99a814a1 | 4429 | ppc_pe_comm (lcomm) |
252b5132 RH |
4430 | int lcomm; |
4431 | { | |
4432 | register char *name; | |
4433 | register char c; | |
4434 | register char *p; | |
4435 | offsetT temp; | |
4436 | register symbolS *symbolP; | |
4437 | offsetT align; | |
4438 | ||
4439 | name = input_line_pointer; | |
4440 | c = get_symbol_end (); | |
4441 | ||
99a814a1 | 4442 | /* just after name is now '\0'. */ |
252b5132 RH |
4443 | p = input_line_pointer; |
4444 | *p = c; | |
4445 | SKIP_WHITESPACE (); | |
4446 | if (*input_line_pointer != ',') | |
4447 | { | |
4448 | as_bad (_("Expected comma after symbol-name: rest of line ignored.")); | |
4449 | ignore_rest_of_line (); | |
4450 | return; | |
4451 | } | |
4452 | ||
4453 | input_line_pointer++; /* skip ',' */ | |
4454 | if ((temp = get_absolute_expression ()) < 0) | |
4455 | { | |
4456 | as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) temp); | |
4457 | ignore_rest_of_line (); | |
4458 | return; | |
4459 | } | |
4460 | ||
4461 | if (! lcomm) | |
4462 | { | |
4463 | /* The third argument to .comm is the alignment. */ | |
4464 | if (*input_line_pointer != ',') | |
4465 | align = 3; | |
4466 | else | |
4467 | { | |
4468 | ++input_line_pointer; | |
4469 | align = get_absolute_expression (); | |
4470 | if (align <= 0) | |
4471 | { | |
4472 | as_warn (_("ignoring bad alignment")); | |
4473 | align = 3; | |
4474 | } | |
4475 | } | |
4476 | } | |
4477 | ||
4478 | *p = 0; | |
4479 | symbolP = symbol_find_or_make (name); | |
4480 | ||
4481 | *p = c; | |
4482 | if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP)) | |
4483 | { | |
4484 | as_bad (_("Ignoring attempt to re-define symbol `%s'."), | |
4485 | S_GET_NAME (symbolP)); | |
4486 | ignore_rest_of_line (); | |
4487 | return; | |
4488 | } | |
4489 | ||
4490 | if (S_GET_VALUE (symbolP)) | |
4491 | { | |
4492 | if (S_GET_VALUE (symbolP) != (valueT) temp) | |
4493 | as_bad (_("Length of .comm \"%s\" is already %ld. Not changed to %ld."), | |
4494 | S_GET_NAME (symbolP), | |
4495 | (long) S_GET_VALUE (symbolP), | |
4496 | (long) temp); | |
4497 | } | |
4498 | else | |
4499 | { | |
4500 | S_SET_VALUE (symbolP, (valueT) temp); | |
4501 | S_SET_EXTERNAL (symbolP); | |
86ebace2 | 4502 | S_SET_SEGMENT (symbolP, bfd_com_section_ptr); |
252b5132 RH |
4503 | } |
4504 | ||
4505 | demand_empty_rest_of_line (); | |
4506 | } | |
4507 | ||
4508 | /* | |
4509 | * implement the .section pseudo op: | |
4510 | * .section name {, "flags"} | |
4511 | * ^ ^ | |
4512 | * | +--- optional flags: 'b' for bss | |
4513 | * | 'i' for info | |
4514 | * +-- section name 'l' for lib | |
4515 | * 'n' for noload | |
4516 | * 'o' for over | |
4517 | * 'w' for data | |
4518 | * 'd' (apparently m88k for data) | |
4519 | * 'x' for text | |
4520 | * But if the argument is not a quoted string, treat it as a | |
4521 | * subsegment number. | |
4522 | * | |
4523 | * FIXME: this is a copy of the section processing from obj-coff.c, with | |
4524 | * additions/changes for the moto-pas assembler support. There are three | |
4525 | * categories: | |
4526 | * | |
81d4177b | 4527 | * FIXME: I just noticed this. This doesn't work at all really. It it |
252b5132 RH |
4528 | * setting bits that bfd probably neither understands or uses. The |
4529 | * correct approach (?) will have to incorporate extra fields attached | |
4530 | * to the section to hold the system specific stuff. (krk) | |
4531 | * | |
4532 | * Section Contents: | |
4533 | * 'a' - unknown - referred to in documentation, but no definition supplied | |
4534 | * 'c' - section has code | |
4535 | * 'd' - section has initialized data | |
4536 | * 'u' - section has uninitialized data | |
4537 | * 'i' - section contains directives (info) | |
4538 | * 'n' - section can be discarded | |
4539 | * 'R' - remove section at link time | |
4540 | * | |
4541 | * Section Protection: | |
4542 | * 'r' - section is readable | |
4543 | * 'w' - section is writeable | |
4544 | * 'x' - section is executable | |
4545 | * 's' - section is sharable | |
4546 | * | |
4547 | * Section Alignment: | |
4548 | * '0' - align to byte boundary | |
4549 | * '1' - align to halfword undary | |
4550 | * '2' - align to word boundary | |
4551 | * '3' - align to doubleword boundary | |
4552 | * '4' - align to quadword boundary | |
4553 | * '5' - align to 32 byte boundary | |
4554 | * '6' - align to 64 byte boundary | |
4555 | * | |
4556 | */ | |
4557 | ||
4558 | void | |
4559 | ppc_pe_section (ignore) | |
5480ccf3 | 4560 | int ignore ATTRIBUTE_UNUSED; |
252b5132 | 4561 | { |
99a814a1 | 4562 | /* Strip out the section name. */ |
252b5132 RH |
4563 | char *section_name; |
4564 | char c; | |
4565 | char *name; | |
4566 | unsigned int exp; | |
4567 | flagword flags; | |
4568 | segT sec; | |
4569 | int align; | |
4570 | ||
4571 | section_name = input_line_pointer; | |
4572 | c = get_symbol_end (); | |
4573 | ||
4574 | name = xmalloc (input_line_pointer - section_name + 1); | |
4575 | strcpy (name, section_name); | |
4576 | ||
4577 | *input_line_pointer = c; | |
4578 | ||
4579 | SKIP_WHITESPACE (); | |
4580 | ||
4581 | exp = 0; | |
4582 | flags = SEC_NO_FLAGS; | |
4583 | ||
4584 | if (strcmp (name, ".idata$2") == 0) | |
4585 | { | |
4586 | align = 0; | |
4587 | } | |
4588 | else if (strcmp (name, ".idata$3") == 0) | |
4589 | { | |
4590 | align = 0; | |
4591 | } | |
4592 | else if (strcmp (name, ".idata$4") == 0) | |
4593 | { | |
4594 | align = 2; | |
4595 | } | |
4596 | else if (strcmp (name, ".idata$5") == 0) | |
4597 | { | |
4598 | align = 2; | |
4599 | } | |
4600 | else if (strcmp (name, ".idata$6") == 0) | |
4601 | { | |
4602 | align = 1; | |
4603 | } | |
4604 | else | |
99a814a1 AM |
4605 | /* Default alignment to 16 byte boundary. */ |
4606 | align = 4; | |
252b5132 RH |
4607 | |
4608 | if (*input_line_pointer == ',') | |
4609 | { | |
4610 | ++input_line_pointer; | |
4611 | SKIP_WHITESPACE (); | |
4612 | if (*input_line_pointer != '"') | |
4613 | exp = get_absolute_expression (); | |
4614 | else | |
4615 | { | |
4616 | ++input_line_pointer; | |
4617 | while (*input_line_pointer != '"' | |
4618 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
4619 | { | |
4620 | switch (*input_line_pointer) | |
4621 | { | |
4622 | /* Section Contents */ | |
4623 | case 'a': /* unknown */ | |
4624 | as_bad (_("Unsupported section attribute -- 'a'")); | |
4625 | break; | |
4626 | case 'c': /* code section */ | |
81d4177b | 4627 | flags |= SEC_CODE; |
252b5132 RH |
4628 | break; |
4629 | case 'd': /* section has initialized data */ | |
4630 | flags |= SEC_DATA; | |
4631 | break; | |
4632 | case 'u': /* section has uninitialized data */ | |
4633 | /* FIXME: This is IMAGE_SCN_CNT_UNINITIALIZED_DATA | |
4634 | in winnt.h */ | |
4635 | flags |= SEC_ROM; | |
4636 | break; | |
4637 | case 'i': /* section contains directives (info) */ | |
4638 | /* FIXME: This is IMAGE_SCN_LNK_INFO | |
4639 | in winnt.h */ | |
4640 | flags |= SEC_HAS_CONTENTS; | |
4641 | break; | |
4642 | case 'n': /* section can be discarded */ | |
81d4177b | 4643 | flags &=~ SEC_LOAD; |
252b5132 RH |
4644 | break; |
4645 | case 'R': /* Remove section at link time */ | |
4646 | flags |= SEC_NEVER_LOAD; | |
4647 | break; | |
4648 | ||
4649 | /* Section Protection */ | |
4650 | case 'r': /* section is readable */ | |
4651 | flags |= IMAGE_SCN_MEM_READ; | |
4652 | break; | |
4653 | case 'w': /* section is writeable */ | |
4654 | flags |= IMAGE_SCN_MEM_WRITE; | |
4655 | break; | |
4656 | case 'x': /* section is executable */ | |
4657 | flags |= IMAGE_SCN_MEM_EXECUTE; | |
4658 | break; | |
4659 | case 's': /* section is sharable */ | |
4660 | flags |= IMAGE_SCN_MEM_SHARED; | |
4661 | break; | |
4662 | ||
4663 | /* Section Alignment */ | |
4664 | case '0': /* align to byte boundary */ | |
4665 | flags |= IMAGE_SCN_ALIGN_1BYTES; | |
4666 | align = 0; | |
4667 | break; | |
4668 | case '1': /* align to halfword boundary */ | |
4669 | flags |= IMAGE_SCN_ALIGN_2BYTES; | |
4670 | align = 1; | |
4671 | break; | |
4672 | case '2': /* align to word boundary */ | |
4673 | flags |= IMAGE_SCN_ALIGN_4BYTES; | |
4674 | align = 2; | |
4675 | break; | |
4676 | case '3': /* align to doubleword boundary */ | |
4677 | flags |= IMAGE_SCN_ALIGN_8BYTES; | |
4678 | align = 3; | |
4679 | break; | |
4680 | case '4': /* align to quadword boundary */ | |
4681 | flags |= IMAGE_SCN_ALIGN_16BYTES; | |
4682 | align = 4; | |
4683 | break; | |
4684 | case '5': /* align to 32 byte boundary */ | |
4685 | flags |= IMAGE_SCN_ALIGN_32BYTES; | |
4686 | align = 5; | |
4687 | break; | |
4688 | case '6': /* align to 64 byte boundary */ | |
4689 | flags |= IMAGE_SCN_ALIGN_64BYTES; | |
4690 | align = 6; | |
4691 | break; | |
4692 | ||
4693 | default: | |
99a814a1 AM |
4694 | as_bad (_("unknown section attribute '%c'"), |
4695 | *input_line_pointer); | |
252b5132 RH |
4696 | break; |
4697 | } | |
4698 | ++input_line_pointer; | |
4699 | } | |
4700 | if (*input_line_pointer == '"') | |
4701 | ++input_line_pointer; | |
4702 | } | |
4703 | } | |
4704 | ||
4705 | sec = subseg_new (name, (subsegT) exp); | |
4706 | ||
99a814a1 | 4707 | ppc_set_current_section (sec); |
252b5132 RH |
4708 | |
4709 | if (flags != SEC_NO_FLAGS) | |
4710 | { | |
4711 | if (! bfd_set_section_flags (stdoutput, sec, flags)) | |
4712 | as_bad (_("error setting flags for \"%s\": %s"), | |
4713 | bfd_section_name (stdoutput, sec), | |
4714 | bfd_errmsg (bfd_get_error ())); | |
4715 | } | |
4716 | ||
99a814a1 | 4717 | bfd_set_section_alignment (stdoutput, sec, align); |
252b5132 RH |
4718 | |
4719 | } | |
4720 | ||
4721 | static void | |
4722 | ppc_pe_function (ignore) | |
5480ccf3 | 4723 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
4724 | { |
4725 | char *name; | |
4726 | char endc; | |
4727 | symbolS *ext_sym; | |
4728 | ||
4729 | name = input_line_pointer; | |
4730 | endc = get_symbol_end (); | |
4731 | ||
4732 | ext_sym = symbol_find_or_make (name); | |
4733 | ||
4734 | *input_line_pointer = endc; | |
4735 | ||
4736 | S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT); | |
4737 | SF_SET_FUNCTION (ext_sym); | |
4738 | SF_SET_PROCESS (ext_sym); | |
4739 | coff_add_linesym (ext_sym); | |
4740 | ||
4741 | demand_empty_rest_of_line (); | |
4742 | } | |
4743 | ||
4744 | static void | |
4745 | ppc_pe_tocd (ignore) | |
5480ccf3 | 4746 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
4747 | { |
4748 | if (tocdata_section == 0) | |
4749 | { | |
4750 | tocdata_section = subseg_new (".tocd", 0); | |
99a814a1 | 4751 | /* FIXME: section flags won't work. */ |
252b5132 RH |
4752 | bfd_set_section_flags (stdoutput, tocdata_section, |
4753 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
99a814a1 | 4754 | | SEC_READONLY | SEC_DATA)); |
252b5132 RH |
4755 | |
4756 | bfd_set_section_alignment (stdoutput, tocdata_section, 2); | |
4757 | } | |
4758 | else | |
4759 | { | |
4760 | rdata_section = subseg_new (".tocd", 0); | |
4761 | } | |
4762 | ||
99a814a1 | 4763 | ppc_set_current_section (tocdata_section); |
252b5132 RH |
4764 | |
4765 | demand_empty_rest_of_line (); | |
4766 | } | |
4767 | ||
4768 | /* Don't adjust TOC relocs to use the section symbol. */ | |
4769 | ||
4770 | int | |
4771 | ppc_pe_fix_adjustable (fix) | |
4772 | fixS *fix; | |
4773 | { | |
4774 | return fix->fx_r_type != BFD_RELOC_PPC_TOC16; | |
4775 | } | |
4776 | ||
4777 | #endif | |
4778 | \f | |
4779 | #ifdef OBJ_XCOFF | |
4780 | ||
4781 | /* XCOFF specific symbol and file handling. */ | |
4782 | ||
4783 | /* Canonicalize the symbol name. We use the to force the suffix, if | |
4784 | any, to use square brackets, and to be in upper case. */ | |
4785 | ||
4786 | char * | |
4787 | ppc_canonicalize_symbol_name (name) | |
4788 | char *name; | |
4789 | { | |
4790 | char *s; | |
4791 | ||
4792 | if (ppc_stab_symbol) | |
4793 | return name; | |
4794 | ||
4795 | for (s = name; *s != '\0' && *s != '{' && *s != '['; s++) | |
4796 | ; | |
4797 | if (*s != '\0') | |
4798 | { | |
4799 | char brac; | |
4800 | ||
4801 | if (*s == '[') | |
4802 | brac = ']'; | |
4803 | else | |
4804 | { | |
4805 | *s = '['; | |
4806 | brac = '}'; | |
4807 | } | |
4808 | ||
4809 | for (s++; *s != '\0' && *s != brac; s++) | |
3882b010 | 4810 | *s = TOUPPER (*s); |
252b5132 RH |
4811 | |
4812 | if (*s == '\0' || s[1] != '\0') | |
4813 | as_bad (_("bad symbol suffix")); | |
4814 | ||
4815 | *s = ']'; | |
4816 | } | |
4817 | ||
4818 | return name; | |
4819 | } | |
4820 | ||
4821 | /* Set the class of a symbol based on the suffix, if any. This is | |
4822 | called whenever a new symbol is created. */ | |
4823 | ||
4824 | void | |
4825 | ppc_symbol_new_hook (sym) | |
4826 | symbolS *sym; | |
4827 | { | |
809ffe0d | 4828 | struct ppc_tc_sy *tc; |
252b5132 RH |
4829 | const char *s; |
4830 | ||
809ffe0d ILT |
4831 | tc = symbol_get_tc (sym); |
4832 | tc->next = NULL; | |
4833 | tc->output = 0; | |
4834 | tc->class = -1; | |
4835 | tc->real_name = NULL; | |
4836 | tc->subseg = 0; | |
4837 | tc->align = 0; | |
4838 | tc->size = NULL; | |
4839 | tc->within = NULL; | |
252b5132 RH |
4840 | |
4841 | if (ppc_stab_symbol) | |
4842 | return; | |
4843 | ||
4844 | s = strchr (S_GET_NAME (sym), '['); | |
4845 | if (s == (const char *) NULL) | |
4846 | { | |
4847 | /* There is no suffix. */ | |
4848 | return; | |
4849 | } | |
4850 | ||
4851 | ++s; | |
4852 | ||
4853 | switch (s[0]) | |
4854 | { | |
4855 | case 'B': | |
4856 | if (strcmp (s, "BS]") == 0) | |
809ffe0d | 4857 | tc->class = XMC_BS; |
252b5132 RH |
4858 | break; |
4859 | case 'D': | |
4860 | if (strcmp (s, "DB]") == 0) | |
809ffe0d | 4861 | tc->class = XMC_DB; |
252b5132 | 4862 | else if (strcmp (s, "DS]") == 0) |
809ffe0d | 4863 | tc->class = XMC_DS; |
252b5132 RH |
4864 | break; |
4865 | case 'G': | |
4866 | if (strcmp (s, "GL]") == 0) | |
809ffe0d | 4867 | tc->class = XMC_GL; |
252b5132 RH |
4868 | break; |
4869 | case 'P': | |
4870 | if (strcmp (s, "PR]") == 0) | |
809ffe0d | 4871 | tc->class = XMC_PR; |
252b5132 RH |
4872 | break; |
4873 | case 'R': | |
4874 | if (strcmp (s, "RO]") == 0) | |
809ffe0d | 4875 | tc->class = XMC_RO; |
252b5132 | 4876 | else if (strcmp (s, "RW]") == 0) |
809ffe0d | 4877 | tc->class = XMC_RW; |
252b5132 RH |
4878 | break; |
4879 | case 'S': | |
4880 | if (strcmp (s, "SV]") == 0) | |
809ffe0d | 4881 | tc->class = XMC_SV; |
252b5132 RH |
4882 | break; |
4883 | case 'T': | |
4884 | if (strcmp (s, "TC]") == 0) | |
809ffe0d | 4885 | tc->class = XMC_TC; |
252b5132 | 4886 | else if (strcmp (s, "TI]") == 0) |
809ffe0d | 4887 | tc->class = XMC_TI; |
252b5132 | 4888 | else if (strcmp (s, "TB]") == 0) |
809ffe0d | 4889 | tc->class = XMC_TB; |
252b5132 | 4890 | else if (strcmp (s, "TC0]") == 0 || strcmp (s, "T0]") == 0) |
809ffe0d | 4891 | tc->class = XMC_TC0; |
252b5132 RH |
4892 | break; |
4893 | case 'U': | |
4894 | if (strcmp (s, "UA]") == 0) | |
809ffe0d | 4895 | tc->class = XMC_UA; |
252b5132 | 4896 | else if (strcmp (s, "UC]") == 0) |
809ffe0d | 4897 | tc->class = XMC_UC; |
252b5132 RH |
4898 | break; |
4899 | case 'X': | |
4900 | if (strcmp (s, "XO]") == 0) | |
809ffe0d | 4901 | tc->class = XMC_XO; |
252b5132 RH |
4902 | break; |
4903 | } | |
4904 | ||
809ffe0d | 4905 | if (tc->class == -1) |
252b5132 RH |
4906 | as_bad (_("Unrecognized symbol suffix")); |
4907 | } | |
4908 | ||
4909 | /* Set the class of a label based on where it is defined. This | |
4910 | handles symbols without suffixes. Also, move the symbol so that it | |
4911 | follows the csect symbol. */ | |
4912 | ||
4913 | void | |
4914 | ppc_frob_label (sym) | |
4915 | symbolS *sym; | |
4916 | { | |
4917 | if (ppc_current_csect != (symbolS *) NULL) | |
4918 | { | |
809ffe0d ILT |
4919 | if (symbol_get_tc (sym)->class == -1) |
4920 | symbol_get_tc (sym)->class = symbol_get_tc (ppc_current_csect)->class; | |
252b5132 RH |
4921 | |
4922 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
4923 | symbol_append (sym, symbol_get_tc (ppc_current_csect)->within, |
4924 | &symbol_rootP, &symbol_lastP); | |
4925 | symbol_get_tc (ppc_current_csect)->within = sym; | |
252b5132 | 4926 | } |
07a53e5c RH |
4927 | |
4928 | #ifdef OBJ_ELF | |
4929 | dwarf2_emit_label (sym); | |
4930 | #endif | |
252b5132 RH |
4931 | } |
4932 | ||
4933 | /* This variable is set by ppc_frob_symbol if any absolute symbols are | |
4934 | seen. It tells ppc_adjust_symtab whether it needs to look through | |
4935 | the symbols. */ | |
4936 | ||
b34976b6 | 4937 | static bfd_boolean ppc_saw_abs; |
252b5132 RH |
4938 | |
4939 | /* Change the name of a symbol just before writing it out. Set the | |
4940 | real name if the .rename pseudo-op was used. Otherwise, remove any | |
4941 | class suffix. Return 1 if the symbol should not be included in the | |
4942 | symbol table. */ | |
4943 | ||
4944 | int | |
4945 | ppc_frob_symbol (sym) | |
4946 | symbolS *sym; | |
4947 | { | |
4948 | static symbolS *ppc_last_function; | |
4949 | static symbolS *set_end; | |
4950 | ||
4951 | /* Discard symbols that should not be included in the output symbol | |
4952 | table. */ | |
809ffe0d ILT |
4953 | if (! symbol_used_in_reloc_p (sym) |
4954 | && ((symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) != 0 | |
670ec21d | 4955 | || (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym)) |
809ffe0d | 4956 | && ! symbol_get_tc (sym)->output |
252b5132 RH |
4957 | && S_GET_STORAGE_CLASS (sym) != C_FILE))) |
4958 | return 1; | |
4959 | ||
a161fe53 AM |
4960 | /* This one will disappear anyway. Don't make a csect sym for it. */ |
4961 | if (sym == abs_section_sym) | |
4962 | return 1; | |
4963 | ||
809ffe0d ILT |
4964 | if (symbol_get_tc (sym)->real_name != (char *) NULL) |
4965 | S_SET_NAME (sym, symbol_get_tc (sym)->real_name); | |
252b5132 RH |
4966 | else |
4967 | { | |
4968 | const char *name; | |
4969 | const char *s; | |
4970 | ||
4971 | name = S_GET_NAME (sym); | |
4972 | s = strchr (name, '['); | |
4973 | if (s != (char *) NULL) | |
4974 | { | |
4975 | unsigned int len; | |
4976 | char *snew; | |
4977 | ||
4978 | len = s - name; | |
4979 | snew = xmalloc (len + 1); | |
4980 | memcpy (snew, name, len); | |
4981 | snew[len] = '\0'; | |
4982 | ||
4983 | S_SET_NAME (sym, snew); | |
4984 | } | |
4985 | } | |
4986 | ||
4987 | if (set_end != (symbolS *) NULL) | |
4988 | { | |
4989 | SA_SET_SYM_ENDNDX (set_end, sym); | |
4990 | set_end = NULL; | |
4991 | } | |
4992 | ||
4993 | if (SF_GET_FUNCTION (sym)) | |
4994 | { | |
4995 | if (ppc_last_function != (symbolS *) NULL) | |
4996 | as_bad (_("two .function pseudo-ops with no intervening .ef")); | |
4997 | ppc_last_function = sym; | |
809ffe0d | 4998 | if (symbol_get_tc (sym)->size != (symbolS *) NULL) |
252b5132 | 4999 | { |
6386f3a7 | 5000 | resolve_symbol_value (symbol_get_tc (sym)->size); |
809ffe0d ILT |
5001 | SA_SET_SYM_FSIZE (sym, |
5002 | (long) S_GET_VALUE (symbol_get_tc (sym)->size)); | |
252b5132 RH |
5003 | } |
5004 | } | |
5005 | else if (S_GET_STORAGE_CLASS (sym) == C_FCN | |
5006 | && strcmp (S_GET_NAME (sym), ".ef") == 0) | |
5007 | { | |
5008 | if (ppc_last_function == (symbolS *) NULL) | |
5009 | as_bad (_(".ef with no preceding .function")); | |
5010 | else | |
5011 | { | |
5012 | set_end = ppc_last_function; | |
5013 | ppc_last_function = NULL; | |
5014 | ||
5015 | /* We don't have a C_EFCN symbol, but we need to force the | |
5016 | COFF backend to believe that it has seen one. */ | |
5017 | coff_last_function = NULL; | |
5018 | } | |
5019 | } | |
5020 | ||
670ec21d | 5021 | if (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym)) |
809ffe0d | 5022 | && (symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) == 0 |
252b5132 RH |
5023 | && S_GET_STORAGE_CLASS (sym) != C_FILE |
5024 | && S_GET_STORAGE_CLASS (sym) != C_FCN | |
5025 | && S_GET_STORAGE_CLASS (sym) != C_BLOCK | |
5026 | && S_GET_STORAGE_CLASS (sym) != C_BSTAT | |
5027 | && S_GET_STORAGE_CLASS (sym) != C_ESTAT | |
5028 | && S_GET_STORAGE_CLASS (sym) != C_BINCL | |
5029 | && S_GET_STORAGE_CLASS (sym) != C_EINCL | |
5030 | && S_GET_SEGMENT (sym) != ppc_coff_debug_section) | |
5031 | S_SET_STORAGE_CLASS (sym, C_HIDEXT); | |
5032 | ||
5033 | if (S_GET_STORAGE_CLASS (sym) == C_EXT | |
5034 | || S_GET_STORAGE_CLASS (sym) == C_HIDEXT) | |
5035 | { | |
5036 | int i; | |
5037 | union internal_auxent *a; | |
5038 | ||
5039 | /* Create a csect aux. */ | |
5040 | i = S_GET_NUMBER_AUXILIARY (sym); | |
5041 | S_SET_NUMBER_AUXILIARY (sym, i + 1); | |
809ffe0d ILT |
5042 | a = &coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].u.auxent; |
5043 | if (symbol_get_tc (sym)->class == XMC_TC0) | |
252b5132 RH |
5044 | { |
5045 | /* This is the TOC table. */ | |
5046 | know (strcmp (S_GET_NAME (sym), "TOC") == 0); | |
5047 | a->x_csect.x_scnlen.l = 0; | |
5048 | a->x_csect.x_smtyp = (2 << 3) | XTY_SD; | |
5049 | } | |
809ffe0d | 5050 | else if (symbol_get_tc (sym)->subseg != 0) |
252b5132 RH |
5051 | { |
5052 | /* This is a csect symbol. x_scnlen is the size of the | |
5053 | csect. */ | |
809ffe0d | 5054 | if (symbol_get_tc (sym)->next == (symbolS *) NULL) |
252b5132 RH |
5055 | a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput, |
5056 | S_GET_SEGMENT (sym)) | |
5057 | - S_GET_VALUE (sym)); | |
5058 | else | |
5059 | { | |
6386f3a7 | 5060 | resolve_symbol_value (symbol_get_tc (sym)->next); |
809ffe0d | 5061 | a->x_csect.x_scnlen.l = (S_GET_VALUE (symbol_get_tc (sym)->next) |
252b5132 RH |
5062 | - S_GET_VALUE (sym)); |
5063 | } | |
809ffe0d | 5064 | a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_SD; |
252b5132 RH |
5065 | } |
5066 | else if (S_GET_SEGMENT (sym) == bss_section) | |
5067 | { | |
5068 | /* This is a common symbol. */ | |
809ffe0d ILT |
5069 | a->x_csect.x_scnlen.l = symbol_get_frag (sym)->fr_offset; |
5070 | a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_CM; | |
252b5132 | 5071 | if (S_IS_EXTERNAL (sym)) |
809ffe0d | 5072 | symbol_get_tc (sym)->class = XMC_RW; |
252b5132 | 5073 | else |
809ffe0d | 5074 | symbol_get_tc (sym)->class = XMC_BS; |
252b5132 RH |
5075 | } |
5076 | else if (S_GET_SEGMENT (sym) == absolute_section) | |
5077 | { | |
5078 | /* This is an absolute symbol. The csect will be created by | |
99a814a1 | 5079 | ppc_adjust_symtab. */ |
b34976b6 | 5080 | ppc_saw_abs = TRUE; |
252b5132 | 5081 | a->x_csect.x_smtyp = XTY_LD; |
809ffe0d ILT |
5082 | if (symbol_get_tc (sym)->class == -1) |
5083 | symbol_get_tc (sym)->class = XMC_XO; | |
252b5132 RH |
5084 | } |
5085 | else if (! S_IS_DEFINED (sym)) | |
5086 | { | |
5087 | /* This is an external symbol. */ | |
5088 | a->x_csect.x_scnlen.l = 0; | |
5089 | a->x_csect.x_smtyp = XTY_ER; | |
5090 | } | |
809ffe0d | 5091 | else if (symbol_get_tc (sym)->class == XMC_TC) |
252b5132 RH |
5092 | { |
5093 | symbolS *next; | |
5094 | ||
5095 | /* This is a TOC definition. x_scnlen is the size of the | |
5096 | TOC entry. */ | |
5097 | next = symbol_next (sym); | |
809ffe0d | 5098 | while (symbol_get_tc (next)->class == XMC_TC0) |
252b5132 RH |
5099 | next = symbol_next (next); |
5100 | if (next == (symbolS *) NULL | |
809ffe0d | 5101 | || symbol_get_tc (next)->class != XMC_TC) |
252b5132 RH |
5102 | { |
5103 | if (ppc_after_toc_frag == (fragS *) NULL) | |
5104 | a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput, | |
5105 | data_section) | |
5106 | - S_GET_VALUE (sym)); | |
5107 | else | |
5108 | a->x_csect.x_scnlen.l = (ppc_after_toc_frag->fr_address | |
5109 | - S_GET_VALUE (sym)); | |
5110 | } | |
5111 | else | |
5112 | { | |
6386f3a7 | 5113 | resolve_symbol_value (next); |
252b5132 RH |
5114 | a->x_csect.x_scnlen.l = (S_GET_VALUE (next) |
5115 | - S_GET_VALUE (sym)); | |
5116 | } | |
5117 | a->x_csect.x_smtyp = (2 << 3) | XTY_SD; | |
5118 | } | |
5119 | else | |
5120 | { | |
5121 | symbolS *csect; | |
5122 | ||
5123 | /* This is a normal symbol definition. x_scnlen is the | |
5124 | symbol index of the containing csect. */ | |
5125 | if (S_GET_SEGMENT (sym) == text_section) | |
5126 | csect = ppc_text_csects; | |
5127 | else if (S_GET_SEGMENT (sym) == data_section) | |
5128 | csect = ppc_data_csects; | |
5129 | else | |
5130 | abort (); | |
5131 | ||
5132 | /* Skip the initial dummy symbol. */ | |
809ffe0d | 5133 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
5134 | |
5135 | if (csect == (symbolS *) NULL) | |
5136 | { | |
5137 | as_warn (_("warning: symbol %s has no csect"), S_GET_NAME (sym)); | |
5138 | a->x_csect.x_scnlen.l = 0; | |
5139 | } | |
5140 | else | |
5141 | { | |
809ffe0d | 5142 | while (symbol_get_tc (csect)->next != (symbolS *) NULL) |
252b5132 | 5143 | { |
6386f3a7 | 5144 | resolve_symbol_value (symbol_get_tc (csect)->next); |
809ffe0d ILT |
5145 | if (S_GET_VALUE (symbol_get_tc (csect)->next) |
5146 | > S_GET_VALUE (sym)) | |
252b5132 | 5147 | break; |
809ffe0d | 5148 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
5149 | } |
5150 | ||
809ffe0d ILT |
5151 | a->x_csect.x_scnlen.p = |
5152 | coffsymbol (symbol_get_bfdsym (csect))->native; | |
5153 | coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].fix_scnlen = | |
5154 | 1; | |
252b5132 RH |
5155 | } |
5156 | a->x_csect.x_smtyp = XTY_LD; | |
5157 | } | |
81d4177b | 5158 | |
252b5132 RH |
5159 | a->x_csect.x_parmhash = 0; |
5160 | a->x_csect.x_snhash = 0; | |
809ffe0d | 5161 | if (symbol_get_tc (sym)->class == -1) |
252b5132 RH |
5162 | a->x_csect.x_smclas = XMC_PR; |
5163 | else | |
809ffe0d | 5164 | a->x_csect.x_smclas = symbol_get_tc (sym)->class; |
252b5132 RH |
5165 | a->x_csect.x_stab = 0; |
5166 | a->x_csect.x_snstab = 0; | |
5167 | ||
5168 | /* Don't let the COFF backend resort these symbols. */ | |
809ffe0d | 5169 | symbol_get_bfdsym (sym)->flags |= BSF_NOT_AT_END; |
252b5132 RH |
5170 | } |
5171 | else if (S_GET_STORAGE_CLASS (sym) == C_BSTAT) | |
5172 | { | |
5173 | /* We want the value to be the symbol index of the referenced | |
5174 | csect symbol. BFD will do that for us if we set the right | |
5175 | flags. */ | |
b782de16 AM |
5176 | asymbol *bsym = symbol_get_bfdsym (symbol_get_tc (sym)->within); |
5177 | combined_entry_type *c = coffsymbol (bsym)->native; | |
5178 | ||
5179 | S_SET_VALUE (sym, (valueT) (size_t) c); | |
809ffe0d | 5180 | coffsymbol (symbol_get_bfdsym (sym))->native->fix_value = 1; |
252b5132 RH |
5181 | } |
5182 | else if (S_GET_STORAGE_CLASS (sym) == C_STSYM) | |
5183 | { | |
5184 | symbolS *block; | |
5185 | symbolS *csect; | |
5186 | ||
5187 | /* The value is the offset from the enclosing csect. */ | |
809ffe0d ILT |
5188 | block = symbol_get_tc (sym)->within; |
5189 | csect = symbol_get_tc (block)->within; | |
6386f3a7 | 5190 | resolve_symbol_value (csect); |
252b5132 RH |
5191 | S_SET_VALUE (sym, S_GET_VALUE (sym) - S_GET_VALUE (csect)); |
5192 | } | |
5193 | else if (S_GET_STORAGE_CLASS (sym) == C_BINCL | |
5194 | || S_GET_STORAGE_CLASS (sym) == C_EINCL) | |
5195 | { | |
5196 | /* We want the value to be a file offset into the line numbers. | |
99a814a1 AM |
5197 | BFD will do that for us if we set the right flags. We have |
5198 | already set the value correctly. */ | |
809ffe0d | 5199 | coffsymbol (symbol_get_bfdsym (sym))->native->fix_line = 1; |
252b5132 RH |
5200 | } |
5201 | ||
5202 | return 0; | |
5203 | } | |
5204 | ||
5205 | /* Adjust the symbol table. This creates csect symbols for all | |
5206 | absolute symbols. */ | |
5207 | ||
5208 | void | |
5209 | ppc_adjust_symtab () | |
5210 | { | |
5211 | symbolS *sym; | |
5212 | ||
5213 | if (! ppc_saw_abs) | |
5214 | return; | |
5215 | ||
5216 | for (sym = symbol_rootP; sym != NULL; sym = symbol_next (sym)) | |
5217 | { | |
5218 | symbolS *csect; | |
5219 | int i; | |
5220 | union internal_auxent *a; | |
5221 | ||
5222 | if (S_GET_SEGMENT (sym) != absolute_section) | |
5223 | continue; | |
5224 | ||
5225 | csect = symbol_create (".abs[XO]", absolute_section, | |
5226 | S_GET_VALUE (sym), &zero_address_frag); | |
809ffe0d | 5227 | symbol_get_bfdsym (csect)->value = S_GET_VALUE (sym); |
252b5132 RH |
5228 | S_SET_STORAGE_CLASS (csect, C_HIDEXT); |
5229 | i = S_GET_NUMBER_AUXILIARY (csect); | |
5230 | S_SET_NUMBER_AUXILIARY (csect, i + 1); | |
809ffe0d | 5231 | a = &coffsymbol (symbol_get_bfdsym (csect))->native[i + 1].u.auxent; |
252b5132 RH |
5232 | a->x_csect.x_scnlen.l = 0; |
5233 | a->x_csect.x_smtyp = XTY_SD; | |
5234 | a->x_csect.x_parmhash = 0; | |
5235 | a->x_csect.x_snhash = 0; | |
5236 | a->x_csect.x_smclas = XMC_XO; | |
5237 | a->x_csect.x_stab = 0; | |
5238 | a->x_csect.x_snstab = 0; | |
5239 | ||
5240 | symbol_insert (csect, sym, &symbol_rootP, &symbol_lastP); | |
5241 | ||
5242 | i = S_GET_NUMBER_AUXILIARY (sym); | |
809ffe0d ILT |
5243 | a = &coffsymbol (symbol_get_bfdsym (sym))->native[i].u.auxent; |
5244 | a->x_csect.x_scnlen.p = coffsymbol (symbol_get_bfdsym (csect))->native; | |
5245 | coffsymbol (symbol_get_bfdsym (sym))->native[i].fix_scnlen = 1; | |
252b5132 RH |
5246 | } |
5247 | ||
b34976b6 | 5248 | ppc_saw_abs = FALSE; |
252b5132 RH |
5249 | } |
5250 | ||
5251 | /* Set the VMA for a section. This is called on all the sections in | |
5252 | turn. */ | |
5253 | ||
5254 | void | |
5255 | ppc_frob_section (sec) | |
5256 | asection *sec; | |
5257 | { | |
931e13a6 | 5258 | static bfd_vma vma = 0; |
252b5132 | 5259 | |
931e13a6 | 5260 | vma = md_section_align (sec, vma); |
252b5132 RH |
5261 | bfd_set_section_vma (stdoutput, sec, vma); |
5262 | vma += bfd_section_size (stdoutput, sec); | |
5263 | } | |
5264 | ||
5265 | #endif /* OBJ_XCOFF */ | |
5266 | \f | |
5267 | /* Turn a string in input_line_pointer into a floating point constant | |
bc0d738a NC |
5268 | of type TYPE, and store the appropriate bytes in *LITP. The number |
5269 | of LITTLENUMS emitted is stored in *SIZEP. An error message is | |
252b5132 RH |
5270 | returned, or NULL on OK. */ |
5271 | ||
5272 | char * | |
5273 | md_atof (type, litp, sizep) | |
5274 | int type; | |
5275 | char *litp; | |
5276 | int *sizep; | |
5277 | { | |
5278 | int prec; | |
5279 | LITTLENUM_TYPE words[4]; | |
5280 | char *t; | |
5281 | int i; | |
5282 | ||
5283 | switch (type) | |
5284 | { | |
5285 | case 'f': | |
5286 | prec = 2; | |
5287 | break; | |
5288 | ||
5289 | case 'd': | |
5290 | prec = 4; | |
5291 | break; | |
5292 | ||
5293 | default: | |
5294 | *sizep = 0; | |
5295 | return _("bad call to md_atof"); | |
5296 | } | |
5297 | ||
5298 | t = atof_ieee (input_line_pointer, type, words); | |
5299 | if (t) | |
5300 | input_line_pointer = t; | |
5301 | ||
5302 | *sizep = prec * 2; | |
5303 | ||
5304 | if (target_big_endian) | |
5305 | { | |
5306 | for (i = 0; i < prec; i++) | |
5307 | { | |
5308 | md_number_to_chars (litp, (valueT) words[i], 2); | |
5309 | litp += 2; | |
5310 | } | |
5311 | } | |
5312 | else | |
5313 | { | |
5314 | for (i = prec - 1; i >= 0; i--) | |
5315 | { | |
5316 | md_number_to_chars (litp, (valueT) words[i], 2); | |
5317 | litp += 2; | |
5318 | } | |
5319 | } | |
81d4177b | 5320 | |
252b5132 RH |
5321 | return NULL; |
5322 | } | |
5323 | ||
5324 | /* Write a value out to the object file, using the appropriate | |
5325 | endianness. */ | |
5326 | ||
5327 | void | |
5328 | md_number_to_chars (buf, val, n) | |
5329 | char *buf; | |
5330 | valueT val; | |
5331 | int n; | |
5332 | { | |
5333 | if (target_big_endian) | |
5334 | number_to_chars_bigendian (buf, val, n); | |
5335 | else | |
5336 | number_to_chars_littleendian (buf, val, n); | |
5337 | } | |
5338 | ||
5339 | /* Align a section (I don't know why this is machine dependent). */ | |
5340 | ||
5341 | valueT | |
3aeeedbb | 5342 | md_section_align (asection *seg ATTRIBUTE_UNUSED, valueT addr) |
252b5132 | 5343 | { |
3aeeedbb AM |
5344 | #ifdef OBJ_ELF |
5345 | return addr; | |
5346 | #else | |
252b5132 RH |
5347 | int align = bfd_get_section_alignment (stdoutput, seg); |
5348 | ||
5349 | return ((addr + (1 << align) - 1) & (-1 << align)); | |
3aeeedbb | 5350 | #endif |
252b5132 RH |
5351 | } |
5352 | ||
5353 | /* We don't have any form of relaxing. */ | |
5354 | ||
5355 | int | |
5356 | md_estimate_size_before_relax (fragp, seg) | |
92161534 ILT |
5357 | fragS *fragp ATTRIBUTE_UNUSED; |
5358 | asection *seg ATTRIBUTE_UNUSED; | |
252b5132 RH |
5359 | { |
5360 | abort (); | |
5361 | return 0; | |
5362 | } | |
5363 | ||
5364 | /* Convert a machine dependent frag. We never generate these. */ | |
5365 | ||
5366 | void | |
5367 | md_convert_frag (abfd, sec, fragp) | |
92161534 ILT |
5368 | bfd *abfd ATTRIBUTE_UNUSED; |
5369 | asection *sec ATTRIBUTE_UNUSED; | |
5370 | fragS *fragp ATTRIBUTE_UNUSED; | |
252b5132 RH |
5371 | { |
5372 | abort (); | |
5373 | } | |
5374 | ||
5375 | /* We have no need to default values of symbols. */ | |
5376 | ||
252b5132 RH |
5377 | symbolS * |
5378 | md_undefined_symbol (name) | |
92161534 | 5379 | char *name ATTRIBUTE_UNUSED; |
252b5132 RH |
5380 | { |
5381 | return 0; | |
5382 | } | |
5383 | \f | |
5384 | /* Functions concerning relocs. */ | |
5385 | ||
5386 | /* The location from which a PC relative jump should be calculated, | |
5387 | given a PC relative reloc. */ | |
5388 | ||
5389 | long | |
5390 | md_pcrel_from_section (fixp, sec) | |
5391 | fixS *fixp; | |
92161534 | 5392 | segT sec ATTRIBUTE_UNUSED; |
252b5132 RH |
5393 | { |
5394 | return fixp->fx_frag->fr_address + fixp->fx_where; | |
5395 | } | |
5396 | ||
5397 | #ifdef OBJ_XCOFF | |
5398 | ||
5399 | /* This is called to see whether a fixup should be adjusted to use a | |
5400 | section symbol. We take the opportunity to change a fixup against | |
5401 | a symbol in the TOC subsegment into a reloc against the | |
5402 | corresponding .tc symbol. */ | |
5403 | ||
5404 | int | |
5405 | ppc_fix_adjustable (fix) | |
5406 | fixS *fix; | |
5407 | { | |
b782de16 AM |
5408 | valueT val = resolve_symbol_value (fix->fx_addsy); |
5409 | segT symseg = S_GET_SEGMENT (fix->fx_addsy); | |
5410 | TC_SYMFIELD_TYPE *tc; | |
5411 | ||
5412 | if (symseg == absolute_section) | |
5413 | return 0; | |
252b5132 | 5414 | |
252b5132 | 5415 | if (ppc_toc_csect != (symbolS *) NULL |
252b5132 | 5416 | && fix->fx_addsy != ppc_toc_csect |
b782de16 | 5417 | && symseg == data_section |
252b5132 RH |
5418 | && val >= ppc_toc_frag->fr_address |
5419 | && (ppc_after_toc_frag == (fragS *) NULL | |
5420 | || val < ppc_after_toc_frag->fr_address)) | |
5421 | { | |
5422 | symbolS *sy; | |
5423 | ||
5424 | for (sy = symbol_next (ppc_toc_csect); | |
5425 | sy != (symbolS *) NULL; | |
5426 | sy = symbol_next (sy)) | |
5427 | { | |
b782de16 AM |
5428 | TC_SYMFIELD_TYPE *sy_tc = symbol_get_tc (sy); |
5429 | ||
5430 | if (sy_tc->class == XMC_TC0) | |
252b5132 | 5431 | continue; |
b782de16 | 5432 | if (sy_tc->class != XMC_TC) |
252b5132 | 5433 | break; |
b782de16 | 5434 | if (val == resolve_symbol_value (sy)) |
252b5132 RH |
5435 | { |
5436 | fix->fx_addsy = sy; | |
5437 | fix->fx_addnumber = val - ppc_toc_frag->fr_address; | |
5438 | return 0; | |
5439 | } | |
5440 | } | |
5441 | ||
5442 | as_bad_where (fix->fx_file, fix->fx_line, | |
5443 | _("symbol in .toc does not match any .tc")); | |
5444 | } | |
5445 | ||
5446 | /* Possibly adjust the reloc to be against the csect. */ | |
b782de16 AM |
5447 | tc = symbol_get_tc (fix->fx_addsy); |
5448 | if (tc->subseg == 0 | |
5449 | && tc->class != XMC_TC0 | |
5450 | && tc->class != XMC_TC | |
5451 | && symseg != bss_section | |
252b5132 | 5452 | /* Don't adjust if this is a reloc in the toc section. */ |
b782de16 | 5453 | && (symseg != data_section |
252b5132 RH |
5454 | || ppc_toc_csect == NULL |
5455 | || val < ppc_toc_frag->fr_address | |
5456 | || (ppc_after_toc_frag != NULL | |
5457 | && val >= ppc_after_toc_frag->fr_address))) | |
5458 | { | |
5459 | symbolS *csect; | |
b782de16 | 5460 | symbolS *next_csect; |
252b5132 | 5461 | |
b782de16 | 5462 | if (symseg == text_section) |
252b5132 | 5463 | csect = ppc_text_csects; |
b782de16 | 5464 | else if (symseg == data_section) |
252b5132 RH |
5465 | csect = ppc_data_csects; |
5466 | else | |
5467 | abort (); | |
5468 | ||
5469 | /* Skip the initial dummy symbol. */ | |
809ffe0d | 5470 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
5471 | |
5472 | if (csect != (symbolS *) NULL) | |
5473 | { | |
b782de16 AM |
5474 | while ((next_csect = symbol_get_tc (csect)->next) != (symbolS *) NULL |
5475 | && (symbol_get_frag (next_csect)->fr_address <= val)) | |
252b5132 RH |
5476 | { |
5477 | /* If the csect address equals the symbol value, then we | |
99a814a1 AM |
5478 | have to look through the full symbol table to see |
5479 | whether this is the csect we want. Note that we will | |
5480 | only get here if the csect has zero length. */ | |
b782de16 AM |
5481 | if (symbol_get_frag (csect)->fr_address == val |
5482 | && S_GET_VALUE (csect) == val) | |
252b5132 RH |
5483 | { |
5484 | symbolS *scan; | |
5485 | ||
809ffe0d | 5486 | for (scan = symbol_next (csect); |
252b5132 | 5487 | scan != NULL; |
809ffe0d | 5488 | scan = symbol_next (scan)) |
252b5132 | 5489 | { |
809ffe0d | 5490 | if (symbol_get_tc (scan)->subseg != 0) |
252b5132 RH |
5491 | break; |
5492 | if (scan == fix->fx_addsy) | |
5493 | break; | |
5494 | } | |
5495 | ||
5496 | /* If we found the symbol before the next csect | |
99a814a1 | 5497 | symbol, then this is the csect we want. */ |
252b5132 RH |
5498 | if (scan == fix->fx_addsy) |
5499 | break; | |
5500 | } | |
5501 | ||
b782de16 | 5502 | csect = next_csect; |
252b5132 RH |
5503 | } |
5504 | ||
b782de16 | 5505 | fix->fx_offset += val - symbol_get_frag (csect)->fr_address; |
252b5132 RH |
5506 | fix->fx_addsy = csect; |
5507 | } | |
b782de16 | 5508 | return 0; |
252b5132 RH |
5509 | } |
5510 | ||
5511 | /* Adjust a reloc against a .lcomm symbol to be against the base | |
5512 | .lcomm. */ | |
b782de16 | 5513 | if (symseg == bss_section |
252b5132 RH |
5514 | && ! S_IS_EXTERNAL (fix->fx_addsy)) |
5515 | { | |
b782de16 AM |
5516 | symbolS *sy = symbol_get_frag (fix->fx_addsy)->fr_symbol; |
5517 | ||
5518 | fix->fx_offset += val - resolve_symbol_value (sy); | |
5519 | fix->fx_addsy = sy; | |
252b5132 RH |
5520 | } |
5521 | ||
5522 | return 0; | |
5523 | } | |
5524 | ||
5525 | /* A reloc from one csect to another must be kept. The assembler | |
5526 | will, of course, keep relocs between sections, and it will keep | |
5527 | absolute relocs, but we need to force it to keep PC relative relocs | |
5528 | between two csects in the same section. */ | |
5529 | ||
5530 | int | |
5531 | ppc_force_relocation (fix) | |
5532 | fixS *fix; | |
5533 | { | |
5534 | /* At this point fix->fx_addsy should already have been converted to | |
5535 | a csect symbol. If the csect does not include the fragment, then | |
5536 | we need to force the relocation. */ | |
5537 | if (fix->fx_pcrel | |
5538 | && fix->fx_addsy != NULL | |
809ffe0d ILT |
5539 | && symbol_get_tc (fix->fx_addsy)->subseg != 0 |
5540 | && ((symbol_get_frag (fix->fx_addsy)->fr_address | |
5541 | > fix->fx_frag->fr_address) | |
5542 | || (symbol_get_tc (fix->fx_addsy)->next != NULL | |
5543 | && (symbol_get_frag (symbol_get_tc (fix->fx_addsy)->next)->fr_address | |
252b5132 RH |
5544 | <= fix->fx_frag->fr_address)))) |
5545 | return 1; | |
5546 | ||
ae6063d4 | 5547 | return generic_force_reloc (fix); |
252b5132 RH |
5548 | } |
5549 | ||
5550 | #endif /* OBJ_XCOFF */ | |
5551 | ||
0baf16f2 | 5552 | #ifdef OBJ_ELF |
a161fe53 AM |
5553 | /* If this function returns non-zero, it guarantees that a relocation |
5554 | will be emitted for a fixup. */ | |
5555 | ||
5556 | int | |
5557 | ppc_force_relocation (fix) | |
5558 | fixS *fix; | |
5559 | { | |
5560 | /* Branch prediction relocations must force a relocation, as must | |
5561 | the vtable description relocs. */ | |
5562 | switch (fix->fx_r_type) | |
5563 | { | |
5564 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
5565 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
5566 | case BFD_RELOC_PPC_BA16_BRTAKEN: | |
5567 | case BFD_RELOC_PPC_BA16_BRNTAKEN: | |
c744ecf2 | 5568 | case BFD_RELOC_24_PLT_PCREL: |
a161fe53 | 5569 | case BFD_RELOC_PPC64_TOC: |
a161fe53 AM |
5570 | return 1; |
5571 | default: | |
5572 | break; | |
5573 | } | |
5574 | ||
cdba85ec AM |
5575 | if (fix->fx_r_type >= BFD_RELOC_PPC_TLS |
5576 | && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA) | |
5577 | return 1; | |
5578 | ||
ae6063d4 | 5579 | return generic_force_reloc (fix); |
a161fe53 AM |
5580 | } |
5581 | ||
0baf16f2 AM |
5582 | int |
5583 | ppc_fix_adjustable (fix) | |
5584 | fixS *fix; | |
252b5132 | 5585 | { |
0baf16f2 AM |
5586 | return (fix->fx_r_type != BFD_RELOC_16_GOTOFF |
5587 | && fix->fx_r_type != BFD_RELOC_LO16_GOTOFF | |
5588 | && fix->fx_r_type != BFD_RELOC_HI16_GOTOFF | |
5589 | && fix->fx_r_type != BFD_RELOC_HI16_S_GOTOFF | |
5590 | && fix->fx_r_type != BFD_RELOC_GPREL16 | |
5591 | && fix->fx_r_type != BFD_RELOC_VTABLE_INHERIT | |
5592 | && fix->fx_r_type != BFD_RELOC_VTABLE_ENTRY | |
cdba85ec | 5593 | && !(fix->fx_r_type >= BFD_RELOC_PPC_TLS |
ab1e9ef7 | 5594 | && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA)); |
252b5132 | 5595 | } |
0baf16f2 | 5596 | #endif |
252b5132 | 5597 | |
3aeeedbb AM |
5598 | /* Implement HANDLE_ALIGN. This writes the NOP pattern into an |
5599 | rs_align_code frag. */ | |
5600 | ||
5601 | void | |
5602 | ppc_handle_align (struct frag *fragP) | |
5603 | { | |
5604 | valueT count = (fragP->fr_next->fr_address | |
5605 | - (fragP->fr_address + fragP->fr_fix)); | |
5606 | ||
5607 | if (count != 0 && (count & 3) == 0) | |
5608 | { | |
5609 | char *dest = fragP->fr_literal + fragP->fr_fix; | |
5610 | ||
5611 | fragP->fr_var = 4; | |
5612 | md_number_to_chars (dest, 0x60000000, 4); | |
5613 | ||
5614 | if ((ppc_cpu & PPC_OPCODE_POWER6) != 0) | |
5615 | { | |
5616 | /* For power6, we want the last nop to be a group terminating | |
5617 | one, "ori 1,1,0". Do this by inserting an rs_fill frag | |
5618 | immediately after this one, with its address set to the last | |
5619 | nop location. This will automatically reduce the number of | |
5620 | nops in the current frag by one. */ | |
5621 | if (count > 4) | |
5622 | { | |
5623 | struct frag *group_nop = xmalloc (SIZEOF_STRUCT_FRAG + 4); | |
5624 | ||
5625 | memcpy (group_nop, fragP, SIZEOF_STRUCT_FRAG); | |
5626 | group_nop->fr_address = group_nop->fr_next->fr_address - 4; | |
5627 | group_nop->fr_fix = 0; | |
5628 | group_nop->fr_offset = 1; | |
5629 | group_nop->fr_type = rs_fill; | |
5630 | fragP->fr_next = group_nop; | |
5631 | dest = group_nop->fr_literal; | |
5632 | } | |
5633 | ||
5634 | md_number_to_chars (dest, 0x60210000, 4); | |
5635 | } | |
5636 | } | |
5637 | } | |
5638 | ||
252b5132 RH |
5639 | /* Apply a fixup to the object code. This is called for all the |
5640 | fixups we generated by the call to fix_new_exp, above. In the call | |
5641 | above we used a reloc code which was the largest legal reloc code | |
5642 | plus the operand index. Here we undo that to recover the operand | |
5643 | index. At this point all symbol values should be fully resolved, | |
5644 | and we attempt to completely resolve the reloc. If we can not do | |
5645 | that, we determine the correct reloc code and put it back in the | |
5646 | fixup. */ | |
5647 | ||
94f592af | 5648 | void |
55cf6793 | 5649 | md_apply_fix (fixP, valP, seg) |
94f592af NC |
5650 | fixS *fixP; |
5651 | valueT * valP; | |
0baf16f2 | 5652 | segT seg ATTRIBUTE_UNUSED; |
252b5132 | 5653 | { |
94f592af | 5654 | valueT value = * valP; |
252b5132 RH |
5655 | |
5656 | #ifdef OBJ_ELF | |
94f592af | 5657 | if (fixP->fx_addsy != NULL) |
252b5132 | 5658 | { |
a161fe53 | 5659 | /* Hack around bfd_install_relocation brain damage. */ |
94f592af NC |
5660 | if (fixP->fx_pcrel) |
5661 | value += fixP->fx_frag->fr_address + fixP->fx_where; | |
252b5132 RH |
5662 | } |
5663 | else | |
94f592af | 5664 | fixP->fx_done = 1; |
252b5132 | 5665 | #else |
a161fe53 | 5666 | /* FIXME FIXME FIXME: The value we are passed in *valP includes |
7be1c489 AM |
5667 | the symbol values. If we are doing this relocation the code in |
5668 | write.c is going to call bfd_install_relocation, which is also | |
5669 | going to use the symbol value. That means that if the reloc is | |
5670 | fully resolved we want to use *valP since bfd_install_relocation is | |
5671 | not being used. | |
252b5132 | 5672 | However, if the reloc is not fully resolved we do not want to use |
a161fe53 AM |
5673 | *valP, and must use fx_offset instead. However, if the reloc |
5674 | is PC relative, we do want to use *valP since it includes the | |
252b5132 | 5675 | result of md_pcrel_from. This is confusing. */ |
94f592af NC |
5676 | if (fixP->fx_addsy == (symbolS *) NULL) |
5677 | fixP->fx_done = 1; | |
5678 | ||
5679 | else if (fixP->fx_pcrel) | |
5680 | ; | |
5681 | ||
252b5132 | 5682 | else |
a161fe53 AM |
5683 | value = fixP->fx_offset; |
5684 | #endif | |
5685 | ||
5686 | if (fixP->fx_subsy != (symbolS *) NULL) | |
252b5132 | 5687 | { |
a161fe53 AM |
5688 | /* We can't actually support subtracting a symbol. */ |
5689 | as_bad_where (fixP->fx_file, fixP->fx_line, _("expression too complex")); | |
252b5132 | 5690 | } |
252b5132 | 5691 | |
94f592af | 5692 | if ((int) fixP->fx_r_type >= (int) BFD_RELOC_UNUSED) |
252b5132 RH |
5693 | { |
5694 | int opindex; | |
5695 | const struct powerpc_operand *operand; | |
5696 | char *where; | |
5697 | unsigned long insn; | |
5698 | ||
94f592af | 5699 | opindex = (int) fixP->fx_r_type - (int) BFD_RELOC_UNUSED; |
252b5132 RH |
5700 | |
5701 | operand = &powerpc_operands[opindex]; | |
5702 | ||
5703 | #ifdef OBJ_XCOFF | |
0baf16f2 AM |
5704 | /* An instruction like `lwz 9,sym(30)' when `sym' is not a TOC symbol |
5705 | does not generate a reloc. It uses the offset of `sym' within its | |
5706 | csect. Other usages, such as `.long sym', generate relocs. This | |
5707 | is the documented behaviour of non-TOC symbols. */ | |
252b5132 | 5708 | if ((operand->flags & PPC_OPERAND_PARENS) != 0 |
b84bf58a | 5709 | && (operand->bitm & 0xfff0) == 0xfff0 |
252b5132 | 5710 | && operand->shift == 0 |
2b3c4602 | 5711 | && (operand->insert == NULL || ppc_obj64) |
94f592af NC |
5712 | && fixP->fx_addsy != NULL |
5713 | && symbol_get_tc (fixP->fx_addsy)->subseg != 0 | |
5714 | && symbol_get_tc (fixP->fx_addsy)->class != XMC_TC | |
5715 | && symbol_get_tc (fixP->fx_addsy)->class != XMC_TC0 | |
5716 | && S_GET_SEGMENT (fixP->fx_addsy) != bss_section) | |
252b5132 | 5717 | { |
94f592af NC |
5718 | value = fixP->fx_offset; |
5719 | fixP->fx_done = 1; | |
252b5132 RH |
5720 | } |
5721 | #endif | |
5722 | ||
5723 | /* Fetch the instruction, insert the fully resolved operand | |
5724 | value, and stuff the instruction back again. */ | |
94f592af | 5725 | where = fixP->fx_frag->fr_literal + fixP->fx_where; |
252b5132 RH |
5726 | if (target_big_endian) |
5727 | insn = bfd_getb32 ((unsigned char *) where); | |
5728 | else | |
5729 | insn = bfd_getl32 ((unsigned char *) where); | |
5730 | insn = ppc_insert_operand (insn, operand, (offsetT) value, | |
94f592af | 5731 | fixP->fx_file, fixP->fx_line); |
252b5132 RH |
5732 | if (target_big_endian) |
5733 | bfd_putb32 ((bfd_vma) insn, (unsigned char *) where); | |
5734 | else | |
5735 | bfd_putl32 ((bfd_vma) insn, (unsigned char *) where); | |
5736 | ||
94f592af NC |
5737 | if (fixP->fx_done) |
5738 | /* Nothing else to do here. */ | |
5739 | return; | |
252b5132 | 5740 | |
94f592af | 5741 | assert (fixP->fx_addsy != NULL); |
0baf16f2 | 5742 | |
252b5132 RH |
5743 | /* Determine a BFD reloc value based on the operand information. |
5744 | We are only prepared to turn a few of the operands into | |
0baf16f2 | 5745 | relocs. */ |
11b37b7b | 5746 | if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 |
b84bf58a | 5747 | && operand->bitm == 0x3fffffc |
11b37b7b | 5748 | && operand->shift == 0) |
94f592af | 5749 | fixP->fx_r_type = BFD_RELOC_PPC_B26; |
11b37b7b | 5750 | else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 |
b84bf58a | 5751 | && operand->bitm == 0xfffc |
11b37b7b | 5752 | && operand->shift == 0) |
95210096 AM |
5753 | { |
5754 | fixP->fx_r_type = BFD_RELOC_PPC_B16; | |
5755 | #ifdef OBJ_XCOFF | |
5756 | fixP->fx_size = 2; | |
5757 | if (target_big_endian) | |
5758 | fixP->fx_where += 2; | |
5759 | #endif | |
5760 | } | |
11b37b7b | 5761 | else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0 |
b84bf58a | 5762 | && operand->bitm == 0x3fffffc |
11b37b7b | 5763 | && operand->shift == 0) |
94f592af | 5764 | fixP->fx_r_type = BFD_RELOC_PPC_BA26; |
11b37b7b | 5765 | else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0 |
b84bf58a | 5766 | && operand->bitm == 0xfffc |
11b37b7b | 5767 | && operand->shift == 0) |
95210096 AM |
5768 | { |
5769 | fixP->fx_r_type = BFD_RELOC_PPC_BA16; | |
5770 | #ifdef OBJ_XCOFF | |
5771 | fixP->fx_size = 2; | |
5772 | if (target_big_endian) | |
5773 | fixP->fx_where += 2; | |
5774 | #endif | |
5775 | } | |
0baf16f2 | 5776 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
11b37b7b | 5777 | else if ((operand->flags & PPC_OPERAND_PARENS) != 0 |
b84bf58a | 5778 | && (operand->bitm & 0xfff0) == 0xfff0 |
a7fc733f | 5779 | && operand->shift == 0) |
11b37b7b | 5780 | { |
a7fc733f AM |
5781 | if (ppc_is_toc_sym (fixP->fx_addsy)) |
5782 | { | |
5783 | fixP->fx_r_type = BFD_RELOC_PPC_TOC16; | |
0baf16f2 | 5784 | #ifdef OBJ_ELF |
a7fc733f AM |
5785 | if (ppc_obj64 |
5786 | && (operand->flags & PPC_OPERAND_DS) != 0) | |
5787 | fixP->fx_r_type = BFD_RELOC_PPC64_TOC16_DS; | |
5788 | #endif | |
5789 | } | |
5790 | else | |
5791 | { | |
5792 | fixP->fx_r_type = BFD_RELOC_16; | |
5793 | #ifdef OBJ_ELF | |
5794 | if (ppc_obj64 | |
5795 | && (operand->flags & PPC_OPERAND_DS) != 0) | |
5796 | fixP->fx_r_type = BFD_RELOC_PPC64_ADDR16_DS; | |
0baf16f2 | 5797 | #endif |
a7fc733f | 5798 | } |
94f592af | 5799 | fixP->fx_size = 2; |
11b37b7b | 5800 | if (target_big_endian) |
94f592af | 5801 | fixP->fx_where += 2; |
11b37b7b | 5802 | } |
0baf16f2 | 5803 | #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */ |
11b37b7b | 5804 | else |
252b5132 RH |
5805 | { |
5806 | char *sfile; | |
5807 | unsigned int sline; | |
5808 | ||
5809 | /* Use expr_symbol_where to see if this is an expression | |
0baf16f2 | 5810 | symbol. */ |
94f592af NC |
5811 | if (expr_symbol_where (fixP->fx_addsy, &sfile, &sline)) |
5812 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
252b5132 RH |
5813 | _("unresolved expression that must be resolved")); |
5814 | else | |
94f592af | 5815 | as_bad_where (fixP->fx_file, fixP->fx_line, |
0baf16f2 | 5816 | _("unsupported relocation against %s"), |
94f592af NC |
5817 | S_GET_NAME (fixP->fx_addsy)); |
5818 | fixP->fx_done = 1; | |
5819 | return; | |
252b5132 RH |
5820 | } |
5821 | } | |
5822 | else | |
5823 | { | |
5824 | #ifdef OBJ_ELF | |
94f592af | 5825 | ppc_elf_validate_fix (fixP, seg); |
252b5132 | 5826 | #endif |
94f592af | 5827 | switch (fixP->fx_r_type) |
252b5132 | 5828 | { |
252b5132 | 5829 | case BFD_RELOC_CTOR: |
2b3c4602 | 5830 | if (ppc_obj64) |
9c7977b3 AM |
5831 | goto ctor64; |
5832 | /* fall through */ | |
5833 | ||
0baf16f2 | 5834 | case BFD_RELOC_32: |
94f592af NC |
5835 | if (fixP->fx_pcrel) |
5836 | fixP->fx_r_type = BFD_RELOC_32_PCREL; | |
99a814a1 | 5837 | /* fall through */ |
252b5132 RH |
5838 | |
5839 | case BFD_RELOC_RVA: | |
5840 | case BFD_RELOC_32_PCREL: | |
252b5132 | 5841 | case BFD_RELOC_PPC_EMB_NADDR32: |
94f592af | 5842 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
252b5132 RH |
5843 | value, 4); |
5844 | break; | |
5845 | ||
7f6d05e8 | 5846 | case BFD_RELOC_64: |
9c7977b3 | 5847 | ctor64: |
94f592af NC |
5848 | if (fixP->fx_pcrel) |
5849 | fixP->fx_r_type = BFD_RELOC_64_PCREL; | |
99a814a1 | 5850 | /* fall through */ |
0baf16f2 | 5851 | |
7f6d05e8 | 5852 | case BFD_RELOC_64_PCREL: |
94f592af | 5853 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
7f6d05e8 | 5854 | value, 8); |
81d4177b | 5855 | break; |
0baf16f2 | 5856 | |
252b5132 RH |
5857 | case BFD_RELOC_GPREL16: |
5858 | case BFD_RELOC_16_GOT_PCREL: | |
5859 | case BFD_RELOC_16_GOTOFF: | |
5860 | case BFD_RELOC_LO16_GOTOFF: | |
5861 | case BFD_RELOC_HI16_GOTOFF: | |
5862 | case BFD_RELOC_HI16_S_GOTOFF: | |
1cfc59d5 | 5863 | case BFD_RELOC_16_BASEREL: |
252b5132 RH |
5864 | case BFD_RELOC_LO16_BASEREL: |
5865 | case BFD_RELOC_HI16_BASEREL: | |
5866 | case BFD_RELOC_HI16_S_BASEREL: | |
5867 | case BFD_RELOC_PPC_EMB_NADDR16: | |
5868 | case BFD_RELOC_PPC_EMB_NADDR16_LO: | |
5869 | case BFD_RELOC_PPC_EMB_NADDR16_HI: | |
5870 | case BFD_RELOC_PPC_EMB_NADDR16_HA: | |
5871 | case BFD_RELOC_PPC_EMB_SDAI16: | |
5872 | case BFD_RELOC_PPC_EMB_SDA2REL: | |
5873 | case BFD_RELOC_PPC_EMB_SDA2I16: | |
5874 | case BFD_RELOC_PPC_EMB_RELSEC16: | |
5875 | case BFD_RELOC_PPC_EMB_RELST_LO: | |
5876 | case BFD_RELOC_PPC_EMB_RELST_HI: | |
5877 | case BFD_RELOC_PPC_EMB_RELST_HA: | |
5878 | case BFD_RELOC_PPC_EMB_RELSDA: | |
5879 | case BFD_RELOC_PPC_TOC16: | |
0baf16f2 | 5880 | #ifdef OBJ_ELF |
0baf16f2 AM |
5881 | case BFD_RELOC_PPC64_TOC16_LO: |
5882 | case BFD_RELOC_PPC64_TOC16_HI: | |
5883 | case BFD_RELOC_PPC64_TOC16_HA: | |
0baf16f2 | 5884 | #endif |
94f592af | 5885 | if (fixP->fx_pcrel) |
252b5132 | 5886 | { |
94f592af NC |
5887 | if (fixP->fx_addsy != NULL) |
5888 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
252b5132 | 5889 | _("cannot emit PC relative %s relocation against %s"), |
94f592af NC |
5890 | bfd_get_reloc_code_name (fixP->fx_r_type), |
5891 | S_GET_NAME (fixP->fx_addsy)); | |
252b5132 | 5892 | else |
94f592af | 5893 | as_bad_where (fixP->fx_file, fixP->fx_line, |
252b5132 | 5894 | _("cannot emit PC relative %s relocation"), |
94f592af | 5895 | bfd_get_reloc_code_name (fixP->fx_r_type)); |
252b5132 RH |
5896 | } |
5897 | ||
94f592af | 5898 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
252b5132 RH |
5899 | value, 2); |
5900 | break; | |
5901 | ||
3c9d25f4 AM |
5902 | case BFD_RELOC_16: |
5903 | if (fixP->fx_pcrel) | |
5904 | fixP->fx_r_type = BFD_RELOC_16_PCREL; | |
5905 | /* fall through */ | |
5906 | ||
5907 | case BFD_RELOC_16_PCREL: | |
5908 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, | |
5909 | value, 2); | |
5910 | break; | |
5911 | ||
5912 | case BFD_RELOC_LO16: | |
5913 | if (fixP->fx_pcrel) | |
5914 | fixP->fx_r_type = BFD_RELOC_LO16_PCREL; | |
5915 | /* fall through */ | |
5916 | ||
5917 | case BFD_RELOC_LO16_PCREL: | |
5918 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, | |
5919 | value, 2); | |
5920 | break; | |
5921 | ||
252b5132 RH |
5922 | /* This case happens when you write, for example, |
5923 | lis %r3,(L1-L2)@ha | |
5924 | where L1 and L2 are defined later. */ | |
5925 | case BFD_RELOC_HI16: | |
94f592af | 5926 | if (fixP->fx_pcrel) |
3c9d25f4 AM |
5927 | fixP->fx_r_type = BFD_RELOC_HI16_PCREL; |
5928 | /* fall through */ | |
5929 | ||
5930 | case BFD_RELOC_HI16_PCREL: | |
94f592af | 5931 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 | 5932 | PPC_HI (value), 2); |
252b5132 | 5933 | break; |
0baf16f2 | 5934 | |
252b5132 | 5935 | case BFD_RELOC_HI16_S: |
94f592af | 5936 | if (fixP->fx_pcrel) |
3c9d25f4 AM |
5937 | fixP->fx_r_type = BFD_RELOC_HI16_S_PCREL; |
5938 | /* fall through */ | |
5939 | ||
5940 | case BFD_RELOC_HI16_S_PCREL: | |
94f592af | 5941 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
5942 | PPC_HA (value), 2); |
5943 | break; | |
5944 | ||
5945 | #ifdef OBJ_ELF | |
0baf16f2 | 5946 | case BFD_RELOC_PPC64_HIGHER: |
94f592af | 5947 | if (fixP->fx_pcrel) |
0baf16f2 | 5948 | abort (); |
94f592af | 5949 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 | 5950 | PPC_HIGHER (value), 2); |
252b5132 RH |
5951 | break; |
5952 | ||
0baf16f2 | 5953 | case BFD_RELOC_PPC64_HIGHER_S: |
94f592af | 5954 | if (fixP->fx_pcrel) |
0baf16f2 | 5955 | abort (); |
94f592af | 5956 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
5957 | PPC_HIGHERA (value), 2); |
5958 | break; | |
5959 | ||
5960 | case BFD_RELOC_PPC64_HIGHEST: | |
94f592af | 5961 | if (fixP->fx_pcrel) |
0baf16f2 | 5962 | abort (); |
94f592af | 5963 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
5964 | PPC_HIGHEST (value), 2); |
5965 | break; | |
5966 | ||
5967 | case BFD_RELOC_PPC64_HIGHEST_S: | |
94f592af | 5968 | if (fixP->fx_pcrel) |
0baf16f2 | 5969 | abort (); |
94f592af | 5970 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
5971 | PPC_HIGHESTA (value), 2); |
5972 | break; | |
5973 | ||
5974 | case BFD_RELOC_PPC64_ADDR16_DS: | |
5975 | case BFD_RELOC_PPC64_ADDR16_LO_DS: | |
5976 | case BFD_RELOC_PPC64_GOT16_DS: | |
5977 | case BFD_RELOC_PPC64_GOT16_LO_DS: | |
5978 | case BFD_RELOC_PPC64_PLT16_LO_DS: | |
5979 | case BFD_RELOC_PPC64_SECTOFF_DS: | |
5980 | case BFD_RELOC_PPC64_SECTOFF_LO_DS: | |
5981 | case BFD_RELOC_PPC64_TOC16_DS: | |
5982 | case BFD_RELOC_PPC64_TOC16_LO_DS: | |
5983 | case BFD_RELOC_PPC64_PLTGOT16_DS: | |
5984 | case BFD_RELOC_PPC64_PLTGOT16_LO_DS: | |
94f592af | 5985 | if (fixP->fx_pcrel) |
0baf16f2 AM |
5986 | abort (); |
5987 | { | |
2132e3a3 | 5988 | char *where = fixP->fx_frag->fr_literal + fixP->fx_where; |
3d8aea2f | 5989 | unsigned long val, mask; |
0baf16f2 AM |
5990 | |
5991 | if (target_big_endian) | |
adadcc0c | 5992 | val = bfd_getb32 (where - 2); |
0baf16f2 | 5993 | else |
adadcc0c AM |
5994 | val = bfd_getl32 (where); |
5995 | mask = 0xfffc; | |
5996 | /* lq insns reserve the four lsbs. */ | |
5997 | if ((ppc_cpu & PPC_OPCODE_POWER4) != 0 | |
77a6138a | 5998 | && (val & (0x3f << 26)) == (56u << 26)) |
adadcc0c AM |
5999 | mask = 0xfff0; |
6000 | val |= value & mask; | |
0baf16f2 AM |
6001 | if (target_big_endian) |
6002 | bfd_putb16 ((bfd_vma) val, where); | |
6003 | else | |
6004 | bfd_putl16 ((bfd_vma) val, where); | |
6005 | } | |
6006 | break; | |
cdba85ec | 6007 | |
ba0b2174 AM |
6008 | case BFD_RELOC_PPC_B16_BRTAKEN: |
6009 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
6010 | case BFD_RELOC_PPC_BA16_BRTAKEN: | |
6011 | case BFD_RELOC_PPC_BA16_BRNTAKEN: | |
6012 | break; | |
6013 | ||
cdba85ec | 6014 | case BFD_RELOC_PPC_TLS: |
7c1d0959 L |
6015 | break; |
6016 | ||
cdba85ec AM |
6017 | case BFD_RELOC_PPC_DTPMOD: |
6018 | case BFD_RELOC_PPC_TPREL16: | |
6019 | case BFD_RELOC_PPC_TPREL16_LO: | |
6020 | case BFD_RELOC_PPC_TPREL16_HI: | |
6021 | case BFD_RELOC_PPC_TPREL16_HA: | |
6022 | case BFD_RELOC_PPC_TPREL: | |
6023 | case BFD_RELOC_PPC_DTPREL16: | |
6024 | case BFD_RELOC_PPC_DTPREL16_LO: | |
6025 | case BFD_RELOC_PPC_DTPREL16_HI: | |
6026 | case BFD_RELOC_PPC_DTPREL16_HA: | |
6027 | case BFD_RELOC_PPC_DTPREL: | |
6028 | case BFD_RELOC_PPC_GOT_TLSGD16: | |
6029 | case BFD_RELOC_PPC_GOT_TLSGD16_LO: | |
6030 | case BFD_RELOC_PPC_GOT_TLSGD16_HI: | |
6031 | case BFD_RELOC_PPC_GOT_TLSGD16_HA: | |
6032 | case BFD_RELOC_PPC_GOT_TLSLD16: | |
6033 | case BFD_RELOC_PPC_GOT_TLSLD16_LO: | |
6034 | case BFD_RELOC_PPC_GOT_TLSLD16_HI: | |
6035 | case BFD_RELOC_PPC_GOT_TLSLD16_HA: | |
6036 | case BFD_RELOC_PPC_GOT_TPREL16: | |
6037 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
6038 | case BFD_RELOC_PPC_GOT_TPREL16_HI: | |
6039 | case BFD_RELOC_PPC_GOT_TPREL16_HA: | |
6040 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
6041 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
6042 | case BFD_RELOC_PPC_GOT_DTPREL16_HI: | |
6043 | case BFD_RELOC_PPC_GOT_DTPREL16_HA: | |
6044 | case BFD_RELOC_PPC64_TPREL16_DS: | |
6045 | case BFD_RELOC_PPC64_TPREL16_LO_DS: | |
6046 | case BFD_RELOC_PPC64_TPREL16_HIGHER: | |
6047 | case BFD_RELOC_PPC64_TPREL16_HIGHERA: | |
6048 | case BFD_RELOC_PPC64_TPREL16_HIGHEST: | |
6049 | case BFD_RELOC_PPC64_TPREL16_HIGHESTA: | |
6050 | case BFD_RELOC_PPC64_DTPREL16_DS: | |
6051 | case BFD_RELOC_PPC64_DTPREL16_LO_DS: | |
6052 | case BFD_RELOC_PPC64_DTPREL16_HIGHER: | |
6053 | case BFD_RELOC_PPC64_DTPREL16_HIGHERA: | |
6054 | case BFD_RELOC_PPC64_DTPREL16_HIGHEST: | |
6055 | case BFD_RELOC_PPC64_DTPREL16_HIGHESTA: | |
7c1d0959 | 6056 | S_SET_THREAD_LOCAL (fixP->fx_addsy); |
cdba85ec | 6057 | break; |
0baf16f2 | 6058 | #endif |
252b5132 | 6059 | /* Because SDA21 modifies the register field, the size is set to 4 |
99a814a1 | 6060 | bytes, rather than 2, so offset it here appropriately. */ |
252b5132 | 6061 | case BFD_RELOC_PPC_EMB_SDA21: |
94f592af | 6062 | if (fixP->fx_pcrel) |
252b5132 RH |
6063 | abort (); |
6064 | ||
94f592af | 6065 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where |
252b5132 RH |
6066 | + ((target_big_endian) ? 2 : 0), |
6067 | value, 2); | |
6068 | break; | |
6069 | ||
6070 | case BFD_RELOC_8: | |
94f592af | 6071 | if (fixP->fx_pcrel) |
31a91399 NC |
6072 | { |
6073 | /* This can occur if there is a bug in the input assembler, eg: | |
b7d7dc63 | 6074 | ".byte <undefined_symbol> - ." */ |
31a91399 NC |
6075 | if (fixP->fx_addsy) |
6076 | as_bad (_("Unable to handle reference to symbol %s"), | |
6077 | S_GET_NAME (fixP->fx_addsy)); | |
6078 | else | |
6079 | as_bad (_("Unable to resolve expression")); | |
6080 | fixP->fx_done = 1; | |
6081 | } | |
6082 | else | |
6083 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, | |
6084 | value, 1); | |
252b5132 RH |
6085 | break; |
6086 | ||
6087 | case BFD_RELOC_24_PLT_PCREL: | |
6088 | case BFD_RELOC_PPC_LOCAL24PC: | |
94f592af | 6089 | if (!fixP->fx_pcrel && !fixP->fx_done) |
252b5132 RH |
6090 | abort (); |
6091 | ||
94f592af | 6092 | if (fixP->fx_done) |
99a814a1 AM |
6093 | { |
6094 | char *where; | |
6095 | unsigned long insn; | |
6096 | ||
6097 | /* Fetch the instruction, insert the fully resolved operand | |
6098 | value, and stuff the instruction back again. */ | |
94f592af | 6099 | where = fixP->fx_frag->fr_literal + fixP->fx_where; |
99a814a1 AM |
6100 | if (target_big_endian) |
6101 | insn = bfd_getb32 ((unsigned char *) where); | |
6102 | else | |
6103 | insn = bfd_getl32 ((unsigned char *) where); | |
6104 | if ((value & 3) != 0) | |
94f592af | 6105 | as_bad_where (fixP->fx_file, fixP->fx_line, |
99a814a1 AM |
6106 | _("must branch to an address a multiple of 4")); |
6107 | if ((offsetT) value < -0x40000000 | |
6108 | || (offsetT) value >= 0x40000000) | |
94f592af | 6109 | as_bad_where (fixP->fx_file, fixP->fx_line, |
99a814a1 AM |
6110 | _("@local or @plt branch destination is too far away, %ld bytes"), |
6111 | (long) value); | |
6112 | insn = insn | (value & 0x03fffffc); | |
6113 | if (target_big_endian) | |
6114 | bfd_putb32 ((bfd_vma) insn, (unsigned char *) where); | |
6115 | else | |
6116 | bfd_putl32 ((bfd_vma) insn, (unsigned char *) where); | |
6117 | } | |
252b5132 RH |
6118 | break; |
6119 | ||
6120 | case BFD_RELOC_VTABLE_INHERIT: | |
94f592af NC |
6121 | fixP->fx_done = 0; |
6122 | if (fixP->fx_addsy | |
6123 | && !S_IS_DEFINED (fixP->fx_addsy) | |
6124 | && !S_IS_WEAK (fixP->fx_addsy)) | |
6125 | S_SET_WEAK (fixP->fx_addsy); | |
252b5132 RH |
6126 | break; |
6127 | ||
6128 | case BFD_RELOC_VTABLE_ENTRY: | |
94f592af | 6129 | fixP->fx_done = 0; |
252b5132 RH |
6130 | break; |
6131 | ||
0baf16f2 | 6132 | #ifdef OBJ_ELF |
0baf16f2 AM |
6133 | /* Generated by reference to `sym@tocbase'. The sym is |
6134 | ignored by the linker. */ | |
6135 | case BFD_RELOC_PPC64_TOC: | |
94f592af | 6136 | fixP->fx_done = 0; |
0baf16f2 | 6137 | break; |
0baf16f2 | 6138 | #endif |
252b5132 | 6139 | default: |
bc805888 | 6140 | fprintf (stderr, |
94f592af | 6141 | _("Gas failure, reloc value %d\n"), fixP->fx_r_type); |
99a814a1 | 6142 | fflush (stderr); |
252b5132 RH |
6143 | abort (); |
6144 | } | |
6145 | } | |
6146 | ||
6147 | #ifdef OBJ_ELF | |
94f592af | 6148 | fixP->fx_addnumber = value; |
4e6935a6 AM |
6149 | |
6150 | /* PowerPC uses RELA relocs, ie. the reloc addend is stored separately | |
6151 | from the section contents. If we are going to be emitting a reloc | |
6152 | then the section contents are immaterial, so don't warn if they | |
6153 | happen to overflow. Leave such warnings to ld. */ | |
6154 | if (!fixP->fx_done) | |
6155 | fixP->fx_no_overflow = 1; | |
252b5132 | 6156 | #else |
94f592af NC |
6157 | if (fixP->fx_r_type != BFD_RELOC_PPC_TOC16) |
6158 | fixP->fx_addnumber = 0; | |
252b5132 RH |
6159 | else |
6160 | { | |
6161 | #ifdef TE_PE | |
94f592af | 6162 | fixP->fx_addnumber = 0; |
252b5132 RH |
6163 | #else |
6164 | /* We want to use the offset within the data segment of the | |
6165 | symbol, not the actual VMA of the symbol. */ | |
94f592af NC |
6166 | fixP->fx_addnumber = |
6167 | - bfd_get_section_vma (stdoutput, S_GET_SEGMENT (fixP->fx_addsy)); | |
252b5132 RH |
6168 | #endif |
6169 | } | |
6170 | #endif | |
252b5132 RH |
6171 | } |
6172 | ||
6173 | /* Generate a reloc for a fixup. */ | |
6174 | ||
6175 | arelent * | |
6176 | tc_gen_reloc (seg, fixp) | |
92161534 | 6177 | asection *seg ATTRIBUTE_UNUSED; |
252b5132 RH |
6178 | fixS *fixp; |
6179 | { | |
6180 | arelent *reloc; | |
6181 | ||
6182 | reloc = (arelent *) xmalloc (sizeof (arelent)); | |
6183 | ||
49309057 ILT |
6184 | reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); |
6185 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
252b5132 RH |
6186 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; |
6187 | reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type); | |
6188 | if (reloc->howto == (reloc_howto_type *) NULL) | |
6189 | { | |
6190 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
99a814a1 AM |
6191 | _("reloc %d not supported by object file format"), |
6192 | (int) fixp->fx_r_type); | |
252b5132 RH |
6193 | return NULL; |
6194 | } | |
6195 | reloc->addend = fixp->fx_addnumber; | |
6196 | ||
6197 | return reloc; | |
6198 | } | |
75e21f08 JJ |
6199 | |
6200 | void | |
6201 | ppc_cfi_frame_initial_instructions () | |
6202 | { | |
6203 | cfi_add_CFA_def_cfa (1, 0); | |
6204 | } | |
6205 | ||
6206 | int | |
1df69f4f | 6207 | tc_ppc_regname_to_dw2regnum (char *regname) |
75e21f08 JJ |
6208 | { |
6209 | unsigned int regnum = -1; | |
6210 | unsigned int i; | |
6211 | const char *p; | |
6212 | char *q; | |
6213 | static struct { char *name; int dw2regnum; } regnames[] = | |
6214 | { | |
6215 | { "sp", 1 }, { "r.sp", 1 }, { "rtoc", 2 }, { "r.toc", 2 }, | |
6216 | { "mq", 64 }, { "lr", 65 }, { "ctr", 66 }, { "ap", 67 }, | |
80f846b6 | 6217 | { "cr", 70 }, { "xer", 76 }, { "vrsave", 109 }, { "vscr", 110 }, |
75e21f08 JJ |
6218 | { "spe_acc", 111 }, { "spefscr", 112 } |
6219 | }; | |
6220 | ||
6221 | for (i = 0; i < ARRAY_SIZE (regnames); ++i) | |
6222 | if (strcmp (regnames[i].name, regname) == 0) | |
6223 | return regnames[i].dw2regnum; | |
6224 | ||
6225 | if (regname[0] == 'r' || regname[0] == 'f' || regname[0] == 'v') | |
6226 | { | |
6227 | p = regname + 1 + (regname[1] == '.'); | |
6228 | regnum = strtoul (p, &q, 10); | |
6229 | if (p == q || *q || regnum >= 32) | |
6230 | return -1; | |
6231 | if (regname[0] == 'f') | |
b7d7dc63 | 6232 | regnum += 32; |
75e21f08 | 6233 | else if (regname[0] == 'v') |
b7d7dc63 | 6234 | regnum += 77; |
75e21f08 JJ |
6235 | } |
6236 | else if (regname[0] == 'c' && regname[1] == 'r') | |
6237 | { | |
6238 | p = regname + 2 + (regname[2] == '.'); | |
6239 | if (p[0] < '0' || p[0] > '7' || p[1]) | |
b7d7dc63 | 6240 | return -1; |
75e21f08 JJ |
6241 | regnum = p[0] - '0' + 68; |
6242 | } | |
6243 | return regnum; | |
6244 | } |