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 | |
ec2655a6 | 10 | the Free Software Foundation; either version 3, or (at your option) |
252b5132 RH |
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 | |
98027b10 AM |
87 | static void ppc_macro (char *, const struct powerpc_macro *); |
88 | static void ppc_byte (int); | |
0baf16f2 AM |
89 | |
90 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) | |
98027b10 AM |
91 | static void ppc_tc (int); |
92 | static void ppc_machine (int); | |
0baf16f2 | 93 | #endif |
252b5132 RH |
94 | |
95 | #ifdef OBJ_XCOFF | |
98027b10 AM |
96 | static void ppc_comm (int); |
97 | static void ppc_bb (int); | |
98 | static void ppc_bc (int); | |
99 | static void ppc_bf (int); | |
100 | static void ppc_biei (int); | |
101 | static void ppc_bs (int); | |
102 | static void ppc_eb (int); | |
103 | static void ppc_ec (int); | |
104 | static void ppc_ef (int); | |
105 | static void ppc_es (int); | |
106 | static void ppc_csect (int); | |
107 | static void ppc_change_csect (symbolS *, offsetT); | |
108 | static void ppc_function (int); | |
109 | static void ppc_extern (int); | |
110 | static void ppc_lglobl (int); | |
111 | static void ppc_section (int); | |
112 | static void ppc_named_section (int); | |
113 | static void ppc_stabx (int); | |
114 | static void ppc_rename (int); | |
115 | static void ppc_toc (int); | |
116 | static void ppc_xcoff_cons (int); | |
117 | static void ppc_vbyte (int); | |
252b5132 RH |
118 | #endif |
119 | ||
120 | #ifdef OBJ_ELF | |
98027b10 AM |
121 | static void ppc_elf_cons (int); |
122 | static void ppc_elf_rdata (int); | |
123 | static void ppc_elf_lcomm (int); | |
252b5132 RH |
124 | #endif |
125 | ||
126 | #ifdef TE_PE | |
98027b10 AM |
127 | static void ppc_previous (int); |
128 | static void ppc_pdata (int); | |
129 | static void ppc_ydata (int); | |
130 | static void ppc_reldata (int); | |
131 | static void ppc_rdata (int); | |
132 | static void ppc_ualong (int); | |
133 | static void ppc_znop (int); | |
134 | static void ppc_pe_comm (int); | |
135 | static void ppc_pe_section (int); | |
136 | static void ppc_pe_function (int); | |
137 | static void ppc_pe_tocd (int); | |
252b5132 RH |
138 | #endif |
139 | \f | |
140 | /* Generic assembler global variables which must be defined by all | |
141 | targets. */ | |
142 | ||
143 | #ifdef OBJ_ELF | |
144 | /* This string holds the chars that always start a comment. If the | |
145 | pre-processor is disabled, these aren't very useful. The macro | |
146 | tc_comment_chars points to this. We use this, rather than the | |
147 | usual comment_chars, so that we can switch for Solaris conventions. */ | |
148 | static const char ppc_solaris_comment_chars[] = "#!"; | |
149 | static const char ppc_eabi_comment_chars[] = "#"; | |
150 | ||
151 | #ifdef TARGET_SOLARIS_COMMENT | |
152 | const char *ppc_comment_chars = ppc_solaris_comment_chars; | |
153 | #else | |
154 | const char *ppc_comment_chars = ppc_eabi_comment_chars; | |
155 | #endif | |
156 | #else | |
157 | const char comment_chars[] = "#"; | |
158 | #endif | |
159 | ||
160 | /* Characters which start a comment at the beginning of a line. */ | |
161 | const char line_comment_chars[] = "#"; | |
162 | ||
163 | /* Characters which may be used to separate multiple commands on a | |
164 | single line. */ | |
165 | const char line_separator_chars[] = ";"; | |
166 | ||
167 | /* Characters which are used to indicate an exponent in a floating | |
168 | point number. */ | |
169 | const char EXP_CHARS[] = "eE"; | |
170 | ||
171 | /* Characters which mean that a number is a floating point constant, | |
172 | as in 0d1.0. */ | |
173 | const char FLT_CHARS[] = "dD"; | |
5ce8663f | 174 | |
5e02f92e | 175 | /* Anything that can start an operand needs to be mentioned here, |
ac805826 | 176 | to stop the input scrubber eating whitespace. */ |
5e02f92e | 177 | const char ppc_symbol_chars[] = "%["; |
75e21f08 JJ |
178 | |
179 | /* The dwarf2 data alignment, adjusted for 32 or 64 bit. */ | |
180 | int ppc_cie_data_alignment; | |
252b5132 RH |
181 | \f |
182 | /* The target specific pseudo-ops which we support. */ | |
183 | ||
184 | const pseudo_typeS md_pseudo_table[] = | |
185 | { | |
186 | /* Pseudo-ops which must be overridden. */ | |
187 | { "byte", ppc_byte, 0 }, | |
188 | ||
189 | #ifdef OBJ_XCOFF | |
190 | /* Pseudo-ops specific to the RS/6000 XCOFF format. Some of these | |
191 | legitimately belong in the obj-*.c file. However, XCOFF is based | |
192 | on COFF, and is only implemented for the RS/6000. We just use | |
193 | obj-coff.c, and add what we need here. */ | |
194 | { "comm", ppc_comm, 0 }, | |
195 | { "lcomm", ppc_comm, 1 }, | |
196 | { "bb", ppc_bb, 0 }, | |
197 | { "bc", ppc_bc, 0 }, | |
198 | { "bf", ppc_bf, 0 }, | |
199 | { "bi", ppc_biei, 0 }, | |
200 | { "bs", ppc_bs, 0 }, | |
201 | { "csect", ppc_csect, 0 }, | |
202 | { "data", ppc_section, 'd' }, | |
203 | { "eb", ppc_eb, 0 }, | |
204 | { "ec", ppc_ec, 0 }, | |
205 | { "ef", ppc_ef, 0 }, | |
206 | { "ei", ppc_biei, 1 }, | |
207 | { "es", ppc_es, 0 }, | |
208 | { "extern", ppc_extern, 0 }, | |
209 | { "function", ppc_function, 0 }, | |
210 | { "lglobl", ppc_lglobl, 0 }, | |
211 | { "rename", ppc_rename, 0 }, | |
212 | { "section", ppc_named_section, 0 }, | |
213 | { "stabx", ppc_stabx, 0 }, | |
214 | { "text", ppc_section, 't' }, | |
215 | { "toc", ppc_toc, 0 }, | |
216 | { "long", ppc_xcoff_cons, 2 }, | |
7f6d05e8 | 217 | { "llong", ppc_xcoff_cons, 3 }, |
252b5132 RH |
218 | { "word", ppc_xcoff_cons, 1 }, |
219 | { "short", ppc_xcoff_cons, 1 }, | |
220 | { "vbyte", ppc_vbyte, 0 }, | |
221 | #endif | |
222 | ||
223 | #ifdef OBJ_ELF | |
0baf16f2 AM |
224 | { "llong", ppc_elf_cons, 8 }, |
225 | { "quad", ppc_elf_cons, 8 }, | |
252b5132 RH |
226 | { "long", ppc_elf_cons, 4 }, |
227 | { "word", ppc_elf_cons, 2 }, | |
228 | { "short", ppc_elf_cons, 2 }, | |
229 | { "rdata", ppc_elf_rdata, 0 }, | |
230 | { "rodata", ppc_elf_rdata, 0 }, | |
231 | { "lcomm", ppc_elf_lcomm, 0 }, | |
232 | #endif | |
233 | ||
234 | #ifdef TE_PE | |
99a814a1 | 235 | /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */ |
252b5132 RH |
236 | { "previous", ppc_previous, 0 }, |
237 | { "pdata", ppc_pdata, 0 }, | |
238 | { "ydata", ppc_ydata, 0 }, | |
239 | { "reldata", ppc_reldata, 0 }, | |
240 | { "rdata", ppc_rdata, 0 }, | |
241 | { "ualong", ppc_ualong, 0 }, | |
242 | { "znop", ppc_znop, 0 }, | |
243 | { "comm", ppc_pe_comm, 0 }, | |
244 | { "lcomm", ppc_pe_comm, 1 }, | |
245 | { "section", ppc_pe_section, 0 }, | |
246 | { "function", ppc_pe_function,0 }, | |
247 | { "tocd", ppc_pe_tocd, 0 }, | |
248 | #endif | |
249 | ||
0baf16f2 | 250 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
252b5132 | 251 | { "tc", ppc_tc, 0 }, |
0baf16f2 AM |
252 | { "machine", ppc_machine, 0 }, |
253 | #endif | |
252b5132 RH |
254 | |
255 | { NULL, NULL, 0 } | |
256 | }; | |
257 | ||
258 | \f | |
99a814a1 AM |
259 | /* Predefined register names if -mregnames (or default for Windows NT). |
260 | In general, there are lots of them, in an attempt to be compatible | |
261 | with a number of other Windows NT assemblers. */ | |
252b5132 RH |
262 | |
263 | /* Structure to hold information about predefined registers. */ | |
264 | struct pd_reg | |
265 | { | |
266 | char *name; | |
267 | int value; | |
268 | }; | |
269 | ||
270 | /* List of registers that are pre-defined: | |
271 | ||
272 | Each general register has predefined names of the form: | |
273 | 1. r<reg_num> which has the value <reg_num>. | |
274 | 2. r.<reg_num> which has the value <reg_num>. | |
275 | ||
252b5132 RH |
276 | Each floating point register has predefined names of the form: |
277 | 1. f<reg_num> which has the value <reg_num>. | |
278 | 2. f.<reg_num> which has the value <reg_num>. | |
279 | ||
7a899fff C |
280 | Each vector unit register has predefined names of the form: |
281 | 1. v<reg_num> which has the value <reg_num>. | |
282 | 2. v.<reg_num> which has the value <reg_num>. | |
283 | ||
252b5132 RH |
284 | Each condition register has predefined names of the form: |
285 | 1. cr<reg_num> which has the value <reg_num>. | |
286 | 2. cr.<reg_num> which has the value <reg_num>. | |
287 | ||
288 | There are individual registers as well: | |
289 | sp or r.sp has the value 1 | |
290 | rtoc or r.toc has the value 2 | |
291 | fpscr has the value 0 | |
292 | xer has the value 1 | |
293 | lr has the value 8 | |
294 | ctr has the value 9 | |
295 | pmr has the value 0 | |
296 | dar has the value 19 | |
297 | dsisr has the value 18 | |
298 | dec has the value 22 | |
299 | sdr1 has the value 25 | |
300 | srr0 has the value 26 | |
301 | srr1 has the value 27 | |
302 | ||
81d4177b | 303 | The table is sorted. Suitable for searching by a binary search. */ |
252b5132 RH |
304 | |
305 | static const struct pd_reg pre_defined_registers[] = | |
306 | { | |
307 | { "cr.0", 0 }, /* Condition Registers */ | |
308 | { "cr.1", 1 }, | |
309 | { "cr.2", 2 }, | |
310 | { "cr.3", 3 }, | |
311 | { "cr.4", 4 }, | |
312 | { "cr.5", 5 }, | |
313 | { "cr.6", 6 }, | |
314 | { "cr.7", 7 }, | |
315 | ||
316 | { "cr0", 0 }, | |
317 | { "cr1", 1 }, | |
318 | { "cr2", 2 }, | |
319 | { "cr3", 3 }, | |
320 | { "cr4", 4 }, | |
321 | { "cr5", 5 }, | |
322 | { "cr6", 6 }, | |
323 | { "cr7", 7 }, | |
324 | ||
325 | { "ctr", 9 }, | |
326 | ||
327 | { "dar", 19 }, /* Data Access Register */ | |
328 | { "dec", 22 }, /* Decrementer */ | |
329 | { "dsisr", 18 }, /* Data Storage Interrupt Status Register */ | |
330 | ||
331 | { "f.0", 0 }, /* Floating point registers */ | |
81d4177b KH |
332 | { "f.1", 1 }, |
333 | { "f.10", 10 }, | |
334 | { "f.11", 11 }, | |
335 | { "f.12", 12 }, | |
336 | { "f.13", 13 }, | |
337 | { "f.14", 14 }, | |
338 | { "f.15", 15 }, | |
339 | { "f.16", 16 }, | |
340 | { "f.17", 17 }, | |
341 | { "f.18", 18 }, | |
342 | { "f.19", 19 }, | |
343 | { "f.2", 2 }, | |
344 | { "f.20", 20 }, | |
345 | { "f.21", 21 }, | |
346 | { "f.22", 22 }, | |
347 | { "f.23", 23 }, | |
348 | { "f.24", 24 }, | |
349 | { "f.25", 25 }, | |
350 | { "f.26", 26 }, | |
351 | { "f.27", 27 }, | |
352 | { "f.28", 28 }, | |
353 | { "f.29", 29 }, | |
354 | { "f.3", 3 }, | |
252b5132 RH |
355 | { "f.30", 30 }, |
356 | { "f.31", 31 }, | |
81d4177b KH |
357 | { "f.4", 4 }, |
358 | { "f.5", 5 }, | |
359 | { "f.6", 6 }, | |
360 | { "f.7", 7 }, | |
361 | { "f.8", 8 }, | |
362 | { "f.9", 9 }, | |
363 | ||
364 | { "f0", 0 }, | |
365 | { "f1", 1 }, | |
366 | { "f10", 10 }, | |
367 | { "f11", 11 }, | |
368 | { "f12", 12 }, | |
369 | { "f13", 13 }, | |
370 | { "f14", 14 }, | |
371 | { "f15", 15 }, | |
372 | { "f16", 16 }, | |
373 | { "f17", 17 }, | |
374 | { "f18", 18 }, | |
375 | { "f19", 19 }, | |
376 | { "f2", 2 }, | |
377 | { "f20", 20 }, | |
378 | { "f21", 21 }, | |
379 | { "f22", 22 }, | |
380 | { "f23", 23 }, | |
381 | { "f24", 24 }, | |
382 | { "f25", 25 }, | |
383 | { "f26", 26 }, | |
384 | { "f27", 27 }, | |
385 | { "f28", 28 }, | |
386 | { "f29", 29 }, | |
387 | { "f3", 3 }, | |
252b5132 RH |
388 | { "f30", 30 }, |
389 | { "f31", 31 }, | |
81d4177b KH |
390 | { "f4", 4 }, |
391 | { "f5", 5 }, | |
392 | { "f6", 6 }, | |
393 | { "f7", 7 }, | |
394 | { "f8", 8 }, | |
395 | { "f9", 9 }, | |
252b5132 RH |
396 | |
397 | { "fpscr", 0 }, | |
398 | ||
c3d65c1c BE |
399 | /* Quantization registers used with pair single instructions. */ |
400 | { "gqr.0", 0 }, | |
401 | { "gqr.1", 1 }, | |
402 | { "gqr.2", 2 }, | |
403 | { "gqr.3", 3 }, | |
404 | { "gqr.4", 4 }, | |
405 | { "gqr.5", 5 }, | |
406 | { "gqr.6", 6 }, | |
407 | { "gqr.7", 7 }, | |
408 | { "gqr0", 0 }, | |
409 | { "gqr1", 1 }, | |
410 | { "gqr2", 2 }, | |
411 | { "gqr3", 3 }, | |
412 | { "gqr4", 4 }, | |
413 | { "gqr5", 5 }, | |
414 | { "gqr6", 6 }, | |
415 | { "gqr7", 7 }, | |
416 | ||
252b5132 RH |
417 | { "lr", 8 }, /* Link Register */ |
418 | ||
419 | { "pmr", 0 }, | |
420 | ||
421 | { "r.0", 0 }, /* General Purpose Registers */ | |
422 | { "r.1", 1 }, | |
423 | { "r.10", 10 }, | |
424 | { "r.11", 11 }, | |
425 | { "r.12", 12 }, | |
426 | { "r.13", 13 }, | |
427 | { "r.14", 14 }, | |
428 | { "r.15", 15 }, | |
429 | { "r.16", 16 }, | |
430 | { "r.17", 17 }, | |
431 | { "r.18", 18 }, | |
432 | { "r.19", 19 }, | |
433 | { "r.2", 2 }, | |
434 | { "r.20", 20 }, | |
435 | { "r.21", 21 }, | |
436 | { "r.22", 22 }, | |
437 | { "r.23", 23 }, | |
438 | { "r.24", 24 }, | |
439 | { "r.25", 25 }, | |
440 | { "r.26", 26 }, | |
441 | { "r.27", 27 }, | |
442 | { "r.28", 28 }, | |
443 | { "r.29", 29 }, | |
444 | { "r.3", 3 }, | |
445 | { "r.30", 30 }, | |
446 | { "r.31", 31 }, | |
447 | { "r.4", 4 }, | |
448 | { "r.5", 5 }, | |
449 | { "r.6", 6 }, | |
450 | { "r.7", 7 }, | |
451 | { "r.8", 8 }, | |
452 | { "r.9", 9 }, | |
453 | ||
454 | { "r.sp", 1 }, /* Stack Pointer */ | |
455 | ||
456 | { "r.toc", 2 }, /* Pointer to the table of contents */ | |
457 | ||
458 | { "r0", 0 }, /* More general purpose registers */ | |
459 | { "r1", 1 }, | |
460 | { "r10", 10 }, | |
461 | { "r11", 11 }, | |
462 | { "r12", 12 }, | |
463 | { "r13", 13 }, | |
464 | { "r14", 14 }, | |
465 | { "r15", 15 }, | |
466 | { "r16", 16 }, | |
467 | { "r17", 17 }, | |
468 | { "r18", 18 }, | |
469 | { "r19", 19 }, | |
470 | { "r2", 2 }, | |
471 | { "r20", 20 }, | |
472 | { "r21", 21 }, | |
473 | { "r22", 22 }, | |
474 | { "r23", 23 }, | |
475 | { "r24", 24 }, | |
476 | { "r25", 25 }, | |
477 | { "r26", 26 }, | |
478 | { "r27", 27 }, | |
479 | { "r28", 28 }, | |
480 | { "r29", 29 }, | |
481 | { "r3", 3 }, | |
482 | { "r30", 30 }, | |
483 | { "r31", 31 }, | |
484 | { "r4", 4 }, | |
485 | { "r5", 5 }, | |
486 | { "r6", 6 }, | |
487 | { "r7", 7 }, | |
488 | { "r8", 8 }, | |
489 | { "r9", 9 }, | |
490 | ||
491 | { "rtoc", 2 }, /* Table of contents */ | |
492 | ||
493 | { "sdr1", 25 }, /* Storage Description Register 1 */ | |
494 | ||
495 | { "sp", 1 }, | |
496 | ||
497 | { "srr0", 26 }, /* Machine Status Save/Restore Register 0 */ | |
498 | { "srr1", 27 }, /* Machine Status Save/Restore Register 1 */ | |
81d4177b | 499 | |
7a899fff | 500 | { "v.0", 0 }, /* Vector registers */ |
81d4177b KH |
501 | { "v.1", 1 }, |
502 | { "v.10", 10 }, | |
503 | { "v.11", 11 }, | |
504 | { "v.12", 12 }, | |
505 | { "v.13", 13 }, | |
506 | { "v.14", 14 }, | |
507 | { "v.15", 15 }, | |
508 | { "v.16", 16 }, | |
509 | { "v.17", 17 }, | |
510 | { "v.18", 18 }, | |
511 | { "v.19", 19 }, | |
512 | { "v.2", 2 }, | |
513 | { "v.20", 20 }, | |
514 | { "v.21", 21 }, | |
515 | { "v.22", 22 }, | |
516 | { "v.23", 23 }, | |
517 | { "v.24", 24 }, | |
518 | { "v.25", 25 }, | |
519 | { "v.26", 26 }, | |
520 | { "v.27", 27 }, | |
521 | { "v.28", 28 }, | |
522 | { "v.29", 29 }, | |
523 | { "v.3", 3 }, | |
7a899fff C |
524 | { "v.30", 30 }, |
525 | { "v.31", 31 }, | |
81d4177b KH |
526 | { "v.4", 4 }, |
527 | { "v.5", 5 }, | |
528 | { "v.6", 6 }, | |
529 | { "v.7", 7 }, | |
530 | { "v.8", 8 }, | |
531 | { "v.9", 9 }, | |
7a899fff C |
532 | |
533 | { "v0", 0 }, | |
81d4177b KH |
534 | { "v1", 1 }, |
535 | { "v10", 10 }, | |
536 | { "v11", 11 }, | |
537 | { "v12", 12 }, | |
538 | { "v13", 13 }, | |
539 | { "v14", 14 }, | |
540 | { "v15", 15 }, | |
541 | { "v16", 16 }, | |
542 | { "v17", 17 }, | |
543 | { "v18", 18 }, | |
544 | { "v19", 19 }, | |
545 | { "v2", 2 }, | |
546 | { "v20", 20 }, | |
547 | { "v21", 21 }, | |
548 | { "v22", 22 }, | |
549 | { "v23", 23 }, | |
550 | { "v24", 24 }, | |
551 | { "v25", 25 }, | |
552 | { "v26", 26 }, | |
553 | { "v27", 27 }, | |
554 | { "v28", 28 }, | |
555 | { "v29", 29 }, | |
556 | { "v3", 3 }, | |
7a899fff C |
557 | { "v30", 30 }, |
558 | { "v31", 31 }, | |
81d4177b KH |
559 | { "v4", 4 }, |
560 | { "v5", 5 }, | |
561 | { "v6", 6 }, | |
562 | { "v7", 7 }, | |
563 | { "v8", 8 }, | |
7a899fff | 564 | { "v9", 9 }, |
252b5132 RH |
565 | |
566 | { "xer", 1 }, | |
567 | ||
568 | }; | |
569 | ||
bc805888 | 570 | #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg)) |
252b5132 RH |
571 | |
572 | /* Given NAME, find the register number associated with that name, return | |
573 | the integer value associated with the given name or -1 on failure. */ | |
574 | ||
252b5132 | 575 | static int |
98027b10 | 576 | reg_name_search (const struct pd_reg *regs, int regcount, const char *name) |
252b5132 RH |
577 | { |
578 | int middle, low, high; | |
579 | int cmp; | |
580 | ||
581 | low = 0; | |
582 | high = regcount - 1; | |
583 | ||
584 | do | |
585 | { | |
586 | middle = (low + high) / 2; | |
587 | cmp = strcasecmp (name, regs[middle].name); | |
588 | if (cmp < 0) | |
589 | high = middle - 1; | |
590 | else if (cmp > 0) | |
591 | low = middle + 1; | |
592 | else | |
593 | return regs[middle].value; | |
594 | } | |
595 | while (low <= high); | |
596 | ||
597 | return -1; | |
598 | } | |
599 | ||
600 | /* | |
99a814a1 | 601 | * Summary of register_name. |
252b5132 RH |
602 | * |
603 | * in: Input_line_pointer points to 1st char of operand. | |
604 | * | |
605 | * out: A expressionS. | |
606 | * The operand may have been a register: in this case, X_op == O_register, | |
607 | * X_add_number is set to the register number, and truth is returned. | |
608 | * Input_line_pointer->(next non-blank) char after operand, or is in its | |
609 | * original state. | |
610 | */ | |
611 | ||
b34976b6 | 612 | static bfd_boolean |
98027b10 | 613 | register_name (expressionS *expressionP) |
252b5132 RH |
614 | { |
615 | int reg_number; | |
616 | char *name; | |
617 | char *start; | |
618 | char c; | |
619 | ||
99a814a1 | 620 | /* Find the spelling of the operand. */ |
252b5132 | 621 | start = name = input_line_pointer; |
3882b010 | 622 | if (name[0] == '%' && ISALPHA (name[1])) |
252b5132 RH |
623 | name = ++input_line_pointer; |
624 | ||
3882b010 | 625 | else if (!reg_names_p || !ISALPHA (name[0])) |
b34976b6 | 626 | return FALSE; |
252b5132 RH |
627 | |
628 | c = get_symbol_end (); | |
629 | reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT, name); | |
630 | ||
468cced8 AM |
631 | /* Put back the delimiting char. */ |
632 | *input_line_pointer = c; | |
633 | ||
99a814a1 | 634 | /* Look to see if it's in the register table. */ |
81d4177b | 635 | if (reg_number >= 0) |
252b5132 RH |
636 | { |
637 | expressionP->X_op = O_register; | |
638 | expressionP->X_add_number = reg_number; | |
81d4177b | 639 | |
99a814a1 | 640 | /* Make the rest nice. */ |
252b5132 RH |
641 | expressionP->X_add_symbol = NULL; |
642 | expressionP->X_op_symbol = NULL; | |
b34976b6 | 643 | return TRUE; |
252b5132 | 644 | } |
468cced8 AM |
645 | |
646 | /* Reset the line as if we had not done anything. */ | |
647 | input_line_pointer = start; | |
b34976b6 | 648 | return FALSE; |
252b5132 RH |
649 | } |
650 | \f | |
651 | /* This function is called for each symbol seen in an expression. It | |
652 | handles the special parsing which PowerPC assemblers are supposed | |
653 | to use for condition codes. */ | |
654 | ||
655 | /* Whether to do the special parsing. */ | |
b34976b6 | 656 | static bfd_boolean cr_operand; |
252b5132 RH |
657 | |
658 | /* Names to recognize in a condition code. This table is sorted. */ | |
659 | static const struct pd_reg cr_names[] = | |
660 | { | |
661 | { "cr0", 0 }, | |
662 | { "cr1", 1 }, | |
663 | { "cr2", 2 }, | |
664 | { "cr3", 3 }, | |
665 | { "cr4", 4 }, | |
666 | { "cr5", 5 }, | |
667 | { "cr6", 6 }, | |
668 | { "cr7", 7 }, | |
669 | { "eq", 2 }, | |
670 | { "gt", 1 }, | |
671 | { "lt", 0 }, | |
672 | { "so", 3 }, | |
673 | { "un", 3 } | |
674 | }; | |
675 | ||
676 | /* Parsing function. This returns non-zero if it recognized an | |
677 | expression. */ | |
678 | ||
679 | int | |
98027b10 | 680 | ppc_parse_name (const char *name, expressionS *expr) |
252b5132 RH |
681 | { |
682 | int val; | |
683 | ||
684 | if (! cr_operand) | |
685 | return 0; | |
686 | ||
13abbae3 AM |
687 | if (*name == '%') |
688 | ++name; | |
252b5132 RH |
689 | val = reg_name_search (cr_names, sizeof cr_names / sizeof cr_names[0], |
690 | name); | |
691 | if (val < 0) | |
692 | return 0; | |
693 | ||
694 | expr->X_op = O_constant; | |
695 | expr->X_add_number = val; | |
696 | ||
697 | return 1; | |
698 | } | |
699 | \f | |
700 | /* Local variables. */ | |
701 | ||
702 | /* The type of processor we are assembling for. This is one or more | |
703 | of the PPC_OPCODE flags defined in opcode/ppc.h. */ | |
2b3c4602 | 704 | static unsigned long ppc_cpu = 0; |
252b5132 | 705 | |
2b3c4602 AM |
706 | /* Whether to target xcoff64/elf64. */ |
707 | static unsigned int ppc_obj64 = BFD_DEFAULT_TARGET_SIZE == 64; | |
7f6d05e8 | 708 | |
252b5132 RH |
709 | /* Opcode hash table. */ |
710 | static struct hash_control *ppc_hash; | |
711 | ||
712 | /* Macro hash table. */ | |
713 | static struct hash_control *ppc_macro_hash; | |
714 | ||
715 | #ifdef OBJ_ELF | |
99a814a1 | 716 | /* What type of shared library support to use. */ |
5d6f4f16 | 717 | static enum { SHLIB_NONE, SHLIB_PIC, SHLIB_MRELOCATABLE } shlib = SHLIB_NONE; |
252b5132 | 718 | |
99a814a1 | 719 | /* Flags to set in the elf header. */ |
252b5132 RH |
720 | static flagword ppc_flags = 0; |
721 | ||
722 | /* Whether this is Solaris or not. */ | |
723 | #ifdef TARGET_SOLARIS_COMMENT | |
b34976b6 | 724 | #define SOLARIS_P TRUE |
252b5132 | 725 | #else |
b34976b6 | 726 | #define SOLARIS_P FALSE |
252b5132 RH |
727 | #endif |
728 | ||
b34976b6 | 729 | static bfd_boolean msolaris = SOLARIS_P; |
252b5132 RH |
730 | #endif |
731 | ||
732 | #ifdef OBJ_XCOFF | |
733 | ||
734 | /* The RS/6000 assembler uses the .csect pseudo-op to generate code | |
735 | using a bunch of different sections. These assembler sections, | |
736 | however, are all encompassed within the .text or .data sections of | |
737 | the final output file. We handle this by using different | |
738 | subsegments within these main segments. */ | |
739 | ||
740 | /* Next subsegment to allocate within the .text segment. */ | |
741 | static subsegT ppc_text_subsegment = 2; | |
742 | ||
743 | /* Linked list of csects in the text section. */ | |
744 | static symbolS *ppc_text_csects; | |
745 | ||
746 | /* Next subsegment to allocate within the .data segment. */ | |
747 | static subsegT ppc_data_subsegment = 2; | |
748 | ||
749 | /* Linked list of csects in the data section. */ | |
750 | static symbolS *ppc_data_csects; | |
751 | ||
752 | /* The current csect. */ | |
753 | static symbolS *ppc_current_csect; | |
754 | ||
755 | /* The RS/6000 assembler uses a TOC which holds addresses of functions | |
756 | and variables. Symbols are put in the TOC with the .tc pseudo-op. | |
757 | A special relocation is used when accessing TOC entries. We handle | |
758 | the TOC as a subsegment within the .data segment. We set it up if | |
759 | we see a .toc pseudo-op, and save the csect symbol here. */ | |
760 | static symbolS *ppc_toc_csect; | |
761 | ||
762 | /* The first frag in the TOC subsegment. */ | |
763 | static fragS *ppc_toc_frag; | |
764 | ||
765 | /* The first frag in the first subsegment after the TOC in the .data | |
766 | segment. NULL if there are no subsegments after the TOC. */ | |
767 | static fragS *ppc_after_toc_frag; | |
768 | ||
769 | /* The current static block. */ | |
770 | static symbolS *ppc_current_block; | |
771 | ||
772 | /* The COFF debugging section; set by md_begin. This is not the | |
773 | .debug section, but is instead the secret BFD section which will | |
774 | cause BFD to set the section number of a symbol to N_DEBUG. */ | |
775 | static asection *ppc_coff_debug_section; | |
776 | ||
777 | #endif /* OBJ_XCOFF */ | |
778 | ||
779 | #ifdef TE_PE | |
780 | ||
781 | /* Various sections that we need for PE coff support. */ | |
782 | static segT ydata_section; | |
783 | static segT pdata_section; | |
784 | static segT reldata_section; | |
785 | static segT rdata_section; | |
786 | static segT tocdata_section; | |
787 | ||
81d4177b | 788 | /* The current section and the previous section. See ppc_previous. */ |
252b5132 RH |
789 | static segT ppc_previous_section; |
790 | static segT ppc_current_section; | |
791 | ||
792 | #endif /* TE_PE */ | |
793 | ||
794 | #ifdef OBJ_ELF | |
795 | symbolS *GOT_symbol; /* Pre-defined "_GLOBAL_OFFSET_TABLE" */ | |
6a0c61b7 EZ |
796 | #define PPC_APUINFO_ISEL 0x40 |
797 | #define PPC_APUINFO_PMR 0x41 | |
798 | #define PPC_APUINFO_RFMCI 0x42 | |
799 | #define PPC_APUINFO_CACHELCK 0x43 | |
800 | #define PPC_APUINFO_SPE 0x100 | |
801 | #define PPC_APUINFO_EFS 0x101 | |
802 | #define PPC_APUINFO_BRLOCK 0x102 | |
803 | ||
b34976b6 AM |
804 | /* |
805 | * We keep a list of APUinfo | |
6a0c61b7 EZ |
806 | */ |
807 | unsigned long *ppc_apuinfo_list; | |
808 | unsigned int ppc_apuinfo_num; | |
809 | unsigned int ppc_apuinfo_num_alloc; | |
252b5132 RH |
810 | #endif /* OBJ_ELF */ |
811 | \f | |
812 | #ifdef OBJ_ELF | |
15c1449b | 813 | const char *const md_shortopts = "b:l:usm:K:VQ:"; |
252b5132 | 814 | #else |
15c1449b | 815 | const char *const md_shortopts = "um:"; |
252b5132 | 816 | #endif |
15c1449b | 817 | const struct option md_longopts[] = { |
252b5132 RH |
818 | {NULL, no_argument, NULL, 0} |
819 | }; | |
15c1449b | 820 | const size_t md_longopts_size = sizeof (md_longopts); |
252b5132 | 821 | |
69c040df AM |
822 | |
823 | /* Handle -m options that set cpu type, and .machine arg. */ | |
824 | ||
825 | static int | |
826 | parse_cpu (const char *arg) | |
827 | { | |
828 | /* -mpwrx and -mpwr2 mean to assemble for the IBM POWER/2 | |
829 | (RIOS2). */ | |
830 | if (strcmp (arg, "pwrx") == 0 || strcmp (arg, "pwr2") == 0) | |
831 | ppc_cpu = PPC_OPCODE_POWER | PPC_OPCODE_POWER2 | PPC_OPCODE_32; | |
832 | /* -mpwr means to assemble for the IBM POWER (RIOS1). */ | |
833 | else if (strcmp (arg, "pwr") == 0) | |
834 | ppc_cpu = PPC_OPCODE_POWER | PPC_OPCODE_32; | |
835 | /* -m601 means to assemble for the PowerPC 601, which includes | |
836 | instructions that are holdovers from the Power. */ | |
837 | else if (strcmp (arg, "601") == 0) | |
838 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
839 | | PPC_OPCODE_601 | PPC_OPCODE_32); | |
840 | /* -mppc, -mppc32, -m603, and -m604 mean to assemble for the | |
841 | PowerPC 603/604. */ | |
842 | else if (strcmp (arg, "ppc") == 0 | |
843 | || strcmp (arg, "ppc32") == 0 | |
844 | || strcmp (arg, "603") == 0 | |
845 | || strcmp (arg, "604") == 0) | |
846 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32; | |
c3d65c1c BE |
847 | /* Do all PPC750s have paired single ops? */ |
848 | else if (strcmp (arg, "750cl") == 0) | |
849 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_PPCPS; | |
69c040df AM |
850 | /* -m403 and -m405 mean to assemble for the PowerPC 403/405. */ |
851 | else if (strcmp (arg, "403") == 0 | |
852 | || strcmp (arg, "405") == 0) | |
853 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
854 | | PPC_OPCODE_403 | PPC_OPCODE_32); | |
855 | else if (strcmp (arg, "440") == 0) | |
856 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32 | |
857 | | PPC_OPCODE_440 | PPC_OPCODE_ISEL | PPC_OPCODE_RFMCI); | |
858 | else if (strcmp (arg, "7400") == 0 | |
859 | || strcmp (arg, "7410") == 0 | |
860 | || strcmp (arg, "7450") == 0 | |
861 | || strcmp (arg, "7455") == 0) | |
862 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
863 | | PPC_OPCODE_ALTIVEC | PPC_OPCODE_32); | |
36ae0db3 DJ |
864 | else if (strcmp (arg, "e300") == 0) |
865 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32 | |
866 | | PPC_OPCODE_E300); | |
69c040df AM |
867 | else if (strcmp (arg, "altivec") == 0) |
868 | { | |
869 | if (ppc_cpu == 0) | |
870 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ALTIVEC; | |
871 | else | |
872 | ppc_cpu |= PPC_OPCODE_ALTIVEC; | |
873 | } | |
874 | else if (strcmp (arg, "e500") == 0 || strcmp (arg, "e500x2") == 0) | |
875 | { | |
876 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_SPE | |
877 | | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK | |
878 | | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | |
879 | | PPC_OPCODE_RFMCI); | |
880 | } | |
881 | else if (strcmp (arg, "spe") == 0) | |
882 | { | |
883 | if (ppc_cpu == 0) | |
884 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_SPE | PPC_OPCODE_EFS; | |
885 | else | |
886 | ppc_cpu |= PPC_OPCODE_SPE; | |
887 | } | |
888 | /* -mppc64 and -m620 mean to assemble for the 64-bit PowerPC | |
889 | 620. */ | |
890 | else if (strcmp (arg, "ppc64") == 0 || strcmp (arg, "620") == 0) | |
891 | { | |
892 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64; | |
893 | } | |
894 | else if (strcmp (arg, "ppc64bridge") == 0) | |
895 | { | |
896 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
897 | | PPC_OPCODE_64_BRIDGE | PPC_OPCODE_64); | |
898 | } | |
899 | /* -mbooke/-mbooke32 mean enable 32-bit BookE support. */ | |
900 | else if (strcmp (arg, "booke") == 0 || strcmp (arg, "booke32") == 0) | |
901 | { | |
902 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32; | |
903 | } | |
904 | /* -mbooke64 means enable 64-bit BookE support. */ | |
905 | else if (strcmp (arg, "booke64") == 0) | |
906 | { | |
907 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | |
908 | | PPC_OPCODE_BOOKE64 | PPC_OPCODE_64); | |
909 | } | |
910 | else if (strcmp (arg, "power4") == 0) | |
911 | { | |
912 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
913 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4); | |
914 | } | |
b0648eec AM |
915 | else if (strcmp (arg, "power5") == 0) |
916 | { | |
917 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
918 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | |
919 | | PPC_OPCODE_POWER5); | |
920 | } | |
9622b051 AM |
921 | else if (strcmp (arg, "power6") == 0) |
922 | { | |
923 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
924 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | |
925 | | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6); | |
926 | } | |
ede602d7 AM |
927 | else if (strcmp (arg, "cell") == 0) |
928 | { | |
929 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
930 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | |
931 | | PPC_OPCODE_CELL); | |
932 | } | |
69c040df AM |
933 | /* -mcom means assemble for the common intersection between Power |
934 | and PowerPC. At present, we just allow the union, rather | |
935 | than the intersection. */ | |
936 | else if (strcmp (arg, "com") == 0) | |
937 | ppc_cpu = PPC_OPCODE_COMMON | PPC_OPCODE_32; | |
938 | /* -many means to assemble for any architecture (PWR/PWRX/PPC). */ | |
939 | else if (strcmp (arg, "any") == 0) | |
940 | ppc_cpu |= PPC_OPCODE_ANY; | |
941 | else | |
942 | return 0; | |
943 | ||
944 | return 1; | |
945 | } | |
946 | ||
252b5132 | 947 | int |
98027b10 | 948 | md_parse_option (int c, char *arg) |
252b5132 RH |
949 | { |
950 | switch (c) | |
951 | { | |
952 | case 'u': | |
953 | /* -u means that any undefined symbols should be treated as | |
954 | external, which is the default for gas anyhow. */ | |
955 | break; | |
956 | ||
957 | #ifdef OBJ_ELF | |
958 | case 'l': | |
959 | /* Solaris as takes -le (presumably for little endian). For completeness | |
99a814a1 | 960 | sake, recognize -be also. */ |
252b5132 RH |
961 | if (strcmp (arg, "e") == 0) |
962 | { | |
963 | target_big_endian = 0; | |
964 | set_target_endian = 1; | |
965 | } | |
966 | else | |
967 | return 0; | |
968 | ||
969 | break; | |
970 | ||
971 | case 'b': | |
972 | if (strcmp (arg, "e") == 0) | |
973 | { | |
974 | target_big_endian = 1; | |
975 | set_target_endian = 1; | |
976 | } | |
977 | else | |
978 | return 0; | |
979 | ||
980 | break; | |
981 | ||
982 | case 'K': | |
99a814a1 | 983 | /* Recognize -K PIC. */ |
252b5132 RH |
984 | if (strcmp (arg, "PIC") == 0 || strcmp (arg, "pic") == 0) |
985 | { | |
986 | shlib = SHLIB_PIC; | |
987 | ppc_flags |= EF_PPC_RELOCATABLE_LIB; | |
988 | } | |
989 | else | |
990 | return 0; | |
991 | ||
992 | break; | |
993 | #endif | |
994 | ||
7f6d05e8 CP |
995 | /* a64 and a32 determine whether to use XCOFF64 or XCOFF32. */ |
996 | case 'a': | |
997 | if (strcmp (arg, "64") == 0) | |
2a98c3a6 AM |
998 | { |
999 | #ifdef BFD64 | |
1000 | ppc_obj64 = 1; | |
1001 | #else | |
1002 | as_fatal (_("%s unsupported"), "-a64"); | |
1003 | #endif | |
1004 | } | |
7f6d05e8 | 1005 | else if (strcmp (arg, "32") == 0) |
2b3c4602 | 1006 | ppc_obj64 = 0; |
7f6d05e8 CP |
1007 | else |
1008 | return 0; | |
1009 | break; | |
81d4177b | 1010 | |
252b5132 | 1011 | case 'm': |
69c040df AM |
1012 | if (parse_cpu (arg)) |
1013 | ; | |
252b5132 RH |
1014 | |
1015 | else if (strcmp (arg, "regnames") == 0) | |
b34976b6 | 1016 | reg_names_p = TRUE; |
252b5132 RH |
1017 | |
1018 | else if (strcmp (arg, "no-regnames") == 0) | |
b34976b6 | 1019 | reg_names_p = FALSE; |
252b5132 RH |
1020 | |
1021 | #ifdef OBJ_ELF | |
99a814a1 AM |
1022 | /* -mrelocatable/-mrelocatable-lib -- warn about initializations |
1023 | that require relocation. */ | |
252b5132 RH |
1024 | else if (strcmp (arg, "relocatable") == 0) |
1025 | { | |
5d6f4f16 | 1026 | shlib = SHLIB_MRELOCATABLE; |
252b5132 RH |
1027 | ppc_flags |= EF_PPC_RELOCATABLE; |
1028 | } | |
1029 | ||
1030 | else if (strcmp (arg, "relocatable-lib") == 0) | |
1031 | { | |
5d6f4f16 | 1032 | shlib = SHLIB_MRELOCATABLE; |
252b5132 RH |
1033 | ppc_flags |= EF_PPC_RELOCATABLE_LIB; |
1034 | } | |
1035 | ||
99a814a1 | 1036 | /* -memb, set embedded bit. */ |
252b5132 RH |
1037 | else if (strcmp (arg, "emb") == 0) |
1038 | ppc_flags |= EF_PPC_EMB; | |
1039 | ||
99a814a1 AM |
1040 | /* -mlittle/-mbig set the endianess. */ |
1041 | else if (strcmp (arg, "little") == 0 | |
1042 | || strcmp (arg, "little-endian") == 0) | |
252b5132 RH |
1043 | { |
1044 | target_big_endian = 0; | |
1045 | set_target_endian = 1; | |
1046 | } | |
1047 | ||
1048 | else if (strcmp (arg, "big") == 0 || strcmp (arg, "big-endian") == 0) | |
1049 | { | |
1050 | target_big_endian = 1; | |
1051 | set_target_endian = 1; | |
1052 | } | |
1053 | ||
1054 | else if (strcmp (arg, "solaris") == 0) | |
1055 | { | |
b34976b6 | 1056 | msolaris = TRUE; |
252b5132 RH |
1057 | ppc_comment_chars = ppc_solaris_comment_chars; |
1058 | } | |
1059 | ||
1060 | else if (strcmp (arg, "no-solaris") == 0) | |
1061 | { | |
b34976b6 | 1062 | msolaris = FALSE; |
252b5132 RH |
1063 | ppc_comment_chars = ppc_eabi_comment_chars; |
1064 | } | |
1065 | #endif | |
1066 | else | |
1067 | { | |
1068 | as_bad (_("invalid switch -m%s"), arg); | |
1069 | return 0; | |
1070 | } | |
1071 | break; | |
1072 | ||
1073 | #ifdef OBJ_ELF | |
1074 | /* -V: SVR4 argument to print version ID. */ | |
1075 | case 'V': | |
1076 | print_version_id (); | |
1077 | break; | |
1078 | ||
1079 | /* -Qy, -Qn: SVR4 arguments controlling whether a .comment section | |
1080 | should be emitted or not. FIXME: Not implemented. */ | |
1081 | case 'Q': | |
1082 | break; | |
1083 | ||
1084 | /* Solaris takes -s to specify that .stabs go in a .stabs section, | |
1085 | rather than .stabs.excl, which is ignored by the linker. | |
1086 | FIXME: Not implemented. */ | |
1087 | case 's': | |
1088 | if (arg) | |
1089 | return 0; | |
1090 | ||
1091 | break; | |
1092 | #endif | |
1093 | ||
1094 | default: | |
1095 | return 0; | |
1096 | } | |
1097 | ||
1098 | return 1; | |
1099 | } | |
1100 | ||
1101 | void | |
98027b10 | 1102 | md_show_usage (FILE *stream) |
252b5132 | 1103 | { |
bc805888 | 1104 | fprintf (stream, _("\ |
252b5132 | 1105 | PowerPC options:\n\ |
df12615d AM |
1106 | -a32 generate ELF32/XCOFF32\n\ |
1107 | -a64 generate ELF64/XCOFF64\n\ | |
252b5132 | 1108 | -u ignored\n\ |
23e1d84c AM |
1109 | -mpwrx, -mpwr2 generate code for POWER/2 (RIOS2)\n\ |
1110 | -mpwr generate code for POWER (RIOS1)\n\ | |
1111 | -m601 generate code for PowerPC 601\n\ | |
418c1742 | 1112 | -mppc, -mppc32, -m603, -m604\n\ |
23e1d84c | 1113 | generate code for PowerPC 603/604\n\ |
df12615d | 1114 | -m403, -m405 generate code for PowerPC 403/405\n\ |
3d8aea2f | 1115 | -m440 generate code for PowerPC 440\n\ |
f5c120c5 | 1116 | -m7400, -m7410, -m7450, -m7455\n\ |
c3d65c1c BE |
1117 | generate code for PowerPC 7400/7410/7450/7455\n\ |
1118 | -m750cl generate code for PowerPC 750cl\n")); | |
df12615d | 1119 | fprintf (stream, _("\ |
23e1d84c | 1120 | -mppc64, -m620 generate code for PowerPC 620/625/630\n\ |
d0e9a01c | 1121 | -mppc64bridge generate code for PowerPC 64, including bridge insns\n\ |
a09cf9bd MG |
1122 | -mbooke64 generate code for 64-bit PowerPC BookE\n\ |
1123 | -mbooke, mbooke32 generate code for 32-bit PowerPC BookE\n\ | |
23e1d84c | 1124 | -mpower4 generate code for Power4 architecture\n\ |
b0648eec | 1125 | -mpower5 generate code for Power5 architecture\n\ |
9622b051 | 1126 | -mpower6 generate code for Power6 architecture\n\ |
ede602d7 | 1127 | -mcell generate code for Cell Broadband Engine architecture\n\ |
252b5132 | 1128 | -mcom generate code Power/PowerPC common instructions\n\ |
df12615d | 1129 | -many generate code for any architecture (PWR/PWRX/PPC)\n")); |
6a0c61b7 | 1130 | fprintf (stream, _("\ |
df12615d | 1131 | -maltivec generate code for AltiVec\n\ |
36ae0db3 | 1132 | -me300 generate code for PowerPC e300 family\n\ |
6a0c61b7 | 1133 | -me500, -me500x2 generate code for Motorola e500 core complex\n\ |
df12615d AM |
1134 | -mspe generate code for Motorola SPE instructions\n\ |
1135 | -mregnames Allow symbolic names for registers\n\ | |
1136 | -mno-regnames Do not allow symbolic names for registers\n")); | |
252b5132 | 1137 | #ifdef OBJ_ELF |
bc805888 | 1138 | fprintf (stream, _("\ |
252b5132 RH |
1139 | -mrelocatable support for GCC's -mrelocatble option\n\ |
1140 | -mrelocatable-lib support for GCC's -mrelocatble-lib option\n\ | |
1141 | -memb set PPC_EMB bit in ELF flags\n\ | |
df12615d | 1142 | -mlittle, -mlittle-endian, -l, -le\n\ |
252b5132 | 1143 | generate code for a little endian machine\n\ |
df12615d AM |
1144 | -mbig, -mbig-endian, -b, -be\n\ |
1145 | generate code for a big endian machine\n\ | |
252b5132 RH |
1146 | -msolaris generate code for Solaris\n\ |
1147 | -mno-solaris do not generate code for Solaris\n\ | |
1148 | -V print assembler version number\n\ | |
1149 | -Qy, -Qn ignored\n")); | |
1150 | #endif | |
1151 | } | |
1152 | \f | |
1153 | /* Set ppc_cpu if it is not already set. */ | |
1154 | ||
1155 | static void | |
98027b10 | 1156 | ppc_set_cpu (void) |
252b5132 RH |
1157 | { |
1158 | const char *default_os = TARGET_OS; | |
1159 | const char *default_cpu = TARGET_CPU; | |
1160 | ||
3c9030c1 | 1161 | if ((ppc_cpu & ~PPC_OPCODE_ANY) == 0) |
252b5132 | 1162 | { |
2a98c3a6 | 1163 | if (ppc_obj64) |
3c9030c1 | 1164 | ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64; |
2a98c3a6 AM |
1165 | else if (strncmp (default_os, "aix", 3) == 0 |
1166 | && default_os[3] >= '4' && default_os[3] <= '9') | |
3c9030c1 | 1167 | ppc_cpu |= PPC_OPCODE_COMMON | PPC_OPCODE_32; |
252b5132 | 1168 | else if (strncmp (default_os, "aix3", 4) == 0) |
3c9030c1 | 1169 | ppc_cpu |= PPC_OPCODE_POWER | PPC_OPCODE_32; |
252b5132 | 1170 | else if (strcmp (default_cpu, "rs6000") == 0) |
3c9030c1 | 1171 | ppc_cpu |= PPC_OPCODE_POWER | PPC_OPCODE_32; |
0baf16f2 | 1172 | else if (strncmp (default_cpu, "powerpc", 7) == 0) |
23d36e92 | 1173 | ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32; |
252b5132 | 1174 | else |
99a814a1 AM |
1175 | as_fatal (_("Unknown default cpu = %s, os = %s"), |
1176 | default_cpu, default_os); | |
252b5132 RH |
1177 | } |
1178 | } | |
1179 | ||
9232bbb0 AM |
1180 | /* Figure out the BFD architecture to use. This function and ppc_mach |
1181 | are called well before md_begin, when the output file is opened. */ | |
252b5132 RH |
1182 | |
1183 | enum bfd_architecture | |
98027b10 | 1184 | ppc_arch (void) |
252b5132 RH |
1185 | { |
1186 | const char *default_cpu = TARGET_CPU; | |
1187 | ppc_set_cpu (); | |
1188 | ||
1189 | if ((ppc_cpu & PPC_OPCODE_PPC) != 0) | |
1190 | return bfd_arch_powerpc; | |
1191 | else if ((ppc_cpu & PPC_OPCODE_POWER) != 0) | |
1192 | return bfd_arch_rs6000; | |
1193 | else if ((ppc_cpu & (PPC_OPCODE_COMMON | PPC_OPCODE_ANY)) != 0) | |
1194 | { | |
1195 | if (strcmp (default_cpu, "rs6000") == 0) | |
1196 | return bfd_arch_rs6000; | |
0baf16f2 | 1197 | else if (strncmp (default_cpu, "powerpc", 7) == 0) |
252b5132 RH |
1198 | return bfd_arch_powerpc; |
1199 | } | |
1200 | ||
1201 | as_fatal (_("Neither Power nor PowerPC opcodes were selected.")); | |
1202 | return bfd_arch_unknown; | |
1203 | } | |
1204 | ||
7f6d05e8 | 1205 | unsigned long |
98027b10 | 1206 | ppc_mach (void) |
7f6d05e8 | 1207 | { |
2a98c3a6 AM |
1208 | if (ppc_obj64) |
1209 | return bfd_mach_ppc64; | |
1210 | else if (ppc_arch () == bfd_arch_rs6000) | |
1211 | return bfd_mach_rs6k; | |
1212 | else | |
1213 | return bfd_mach_ppc; | |
7f6d05e8 CP |
1214 | } |
1215 | ||
81d4177b | 1216 | extern char* |
98027b10 | 1217 | ppc_target_format (void) |
7f6d05e8 CP |
1218 | { |
1219 | #ifdef OBJ_COFF | |
1220 | #ifdef TE_PE | |
99a814a1 | 1221 | return target_big_endian ? "pe-powerpc" : "pe-powerpcle"; |
7f6d05e8 | 1222 | #elif TE_POWERMAC |
0baf16f2 | 1223 | return "xcoff-powermac"; |
7f6d05e8 | 1224 | #else |
eb1e0e80 | 1225 | # ifdef TE_AIX5 |
2b3c4602 | 1226 | return (ppc_obj64 ? "aix5coff64-rs6000" : "aixcoff-rs6000"); |
eb1e0e80 | 1227 | # else |
2b3c4602 | 1228 | return (ppc_obj64 ? "aixcoff64-rs6000" : "aixcoff-rs6000"); |
eb1e0e80 | 1229 | # endif |
7f6d05e8 | 1230 | #endif |
7f6d05e8 CP |
1231 | #endif |
1232 | #ifdef OBJ_ELF | |
9d8504b1 PB |
1233 | # ifdef TE_VXWORKS |
1234 | return "elf32-powerpc-vxworks"; | |
1235 | # else | |
0baf16f2 | 1236 | return (target_big_endian |
2b3c4602 AM |
1237 | ? (ppc_obj64 ? "elf64-powerpc" : "elf32-powerpc") |
1238 | : (ppc_obj64 ? "elf64-powerpcle" : "elf32-powerpcle")); | |
9d8504b1 | 1239 | # endif |
7f6d05e8 CP |
1240 | #endif |
1241 | } | |
1242 | ||
69c040df AM |
1243 | /* Insert opcodes and macros into hash tables. Called at startup and |
1244 | for .cpu pseudo. */ | |
252b5132 | 1245 | |
69c040df AM |
1246 | static void |
1247 | ppc_setup_opcodes (void) | |
252b5132 | 1248 | { |
98027b10 | 1249 | const struct powerpc_opcode *op; |
252b5132 RH |
1250 | const struct powerpc_opcode *op_end; |
1251 | const struct powerpc_macro *macro; | |
1252 | const struct powerpc_macro *macro_end; | |
b84bf58a | 1253 | bfd_boolean bad_insn = FALSE; |
8dbcd839 | 1254 | unsigned long prev_opcode = 0; |
252b5132 | 1255 | |
69c040df AM |
1256 | if (ppc_hash != NULL) |
1257 | hash_die (ppc_hash); | |
1258 | if (ppc_macro_hash != NULL) | |
1259 | hash_die (ppc_macro_hash); | |
252b5132 RH |
1260 | |
1261 | /* Insert the opcodes into a hash table. */ | |
1262 | ppc_hash = hash_new (); | |
1263 | ||
c43a438d | 1264 | if (ENABLE_CHECKING) |
b84bf58a | 1265 | { |
c43a438d | 1266 | unsigned int i; |
b84bf58a | 1267 | |
c43a438d AM |
1268 | /* Check operand masks. Code here and in the disassembler assumes |
1269 | all the 1's in the mask are contiguous. */ | |
1270 | for (i = 0; i < num_powerpc_operands; ++i) | |
b84bf58a | 1271 | { |
c43a438d AM |
1272 | unsigned long mask = powerpc_operands[i].bitm; |
1273 | unsigned long right_bit; | |
1274 | unsigned int j; | |
1275 | ||
1276 | right_bit = mask & -mask; | |
1277 | mask += right_bit; | |
1278 | right_bit = mask & -mask; | |
1279 | if (mask != right_bit) | |
1280 | { | |
1281 | as_bad (_("powerpc_operands[%d].bitm invalid"), i); | |
1282 | bad_insn = TRUE; | |
1283 | } | |
1284 | for (j = i + 1; j < num_powerpc_operands; ++j) | |
1285 | if (memcmp (&powerpc_operands[i], &powerpc_operands[j], | |
1286 | sizeof (powerpc_operands[0])) == 0) | |
1287 | { | |
1288 | as_bad (_("powerpc_operands[%d] duplicates powerpc_operands[%d]"), | |
1289 | j, i); | |
1290 | bad_insn = TRUE; | |
1291 | } | |
b84bf58a AM |
1292 | } |
1293 | } | |
1294 | ||
252b5132 RH |
1295 | op_end = powerpc_opcodes + powerpc_num_opcodes; |
1296 | for (op = powerpc_opcodes; op < op_end; op++) | |
1297 | { | |
c43a438d | 1298 | if (ENABLE_CHECKING) |
b84bf58a | 1299 | { |
c43a438d AM |
1300 | const unsigned char *o; |
1301 | unsigned long omask = op->mask; | |
8dbcd839 PB |
1302 | unsigned long major_opcode = PPC_OP (op->opcode); |
1303 | ||
1304 | /* The major opcodes had better be sorted. Code in the disassembler | |
1305 | assumes the insns are sorted according to major opcode. */ | |
1306 | if (major_opcode < prev_opcode) | |
1307 | { | |
1308 | as_bad (_("major opcode is not sorted for %s"), | |
1309 | op->name); | |
1310 | bad_insn = TRUE; | |
1311 | } | |
1312 | prev_opcode = major_opcode; | |
c43a438d AM |
1313 | |
1314 | /* The mask had better not trim off opcode bits. */ | |
1315 | if ((op->opcode & omask) != op->opcode) | |
1316 | { | |
1317 | as_bad (_("mask trims opcode bits for %s"), | |
1318 | op->name); | |
1319 | bad_insn = TRUE; | |
1320 | } | |
1321 | ||
1322 | /* The operands must not overlap the opcode or each other. */ | |
1323 | for (o = op->operands; *o; ++o) | |
1324 | if (*o >= num_powerpc_operands) | |
1325 | { | |
1326 | as_bad (_("operand index error for %s"), | |
1327 | op->name); | |
1328 | bad_insn = TRUE; | |
1329 | } | |
1330 | else | |
b84bf58a | 1331 | { |
c43a438d AM |
1332 | const struct powerpc_operand *operand = &powerpc_operands[*o]; |
1333 | if (operand->shift >= 0) | |
b84bf58a | 1334 | { |
c43a438d AM |
1335 | unsigned long mask = operand->bitm << operand->shift; |
1336 | if (omask & mask) | |
1337 | { | |
1338 | as_bad (_("operand %d overlap in %s"), | |
1339 | (int) (o - op->operands), op->name); | |
1340 | bad_insn = TRUE; | |
1341 | } | |
1342 | omask |= mask; | |
b84bf58a | 1343 | } |
b84bf58a | 1344 | } |
c43a438d | 1345 | } |
252b5132 | 1346 | |
2b3c4602 | 1347 | if ((op->flags & ppc_cpu & ~(PPC_OPCODE_32 | PPC_OPCODE_64)) != 0 |
252b5132 | 1348 | && ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64)) == 0 |
2b3c4602 AM |
1349 | || ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64)) |
1350 | == (ppc_cpu & (PPC_OPCODE_32 | PPC_OPCODE_64))) | |
23e1d84c | 1351 | || (ppc_cpu & PPC_OPCODE_64_BRIDGE) != 0) |
341026c1 NC |
1352 | /* Certain instructions (eg: extsw) do not exist in the |
1353 | 32-bit BookE instruction set, but they do exist in the | |
1354 | 64-bit BookE instruction set, and other PPC instruction | |
1355 | sets. Check to see if the opcode has the BOOKE64 flag set. | |
1356 | If it does make sure that the target CPU is not the BookE32. */ | |
1357 | && ((op->flags & PPC_OPCODE_BOOKE64) == 0 | |
1358 | || (ppc_cpu & PPC_OPCODE_BOOKE64) == PPC_OPCODE_BOOKE64 | |
1359 | || (ppc_cpu & PPC_OPCODE_BOOKE) == 0) | |
23e1d84c AM |
1360 | && ((op->flags & (PPC_OPCODE_POWER4 | PPC_OPCODE_NOPOWER4)) == 0 |
1361 | || ((op->flags & PPC_OPCODE_POWER4) | |
b0648eec AM |
1362 | == (ppc_cpu & PPC_OPCODE_POWER4))) |
1363 | && ((op->flags & PPC_OPCODE_POWER5) == 0 | |
1364 | || ((op->flags & PPC_OPCODE_POWER5) | |
9622b051 AM |
1365 | == (ppc_cpu & PPC_OPCODE_POWER5))) |
1366 | && ((op->flags & PPC_OPCODE_POWER6) == 0 | |
1367 | || ((op->flags & PPC_OPCODE_POWER6) | |
1368 | == (ppc_cpu & PPC_OPCODE_POWER6)))) | |
252b5132 RH |
1369 | { |
1370 | const char *retval; | |
1371 | ||
98027b10 | 1372 | retval = hash_insert (ppc_hash, op->name, (void *) op); |
69c040df | 1373 | if (retval != NULL) |
252b5132 | 1374 | { |
99a814a1 | 1375 | /* Ignore Power duplicates for -m601. */ |
252b5132 RH |
1376 | if ((ppc_cpu & PPC_OPCODE_601) != 0 |
1377 | && (op->flags & PPC_OPCODE_POWER) != 0) | |
1378 | continue; | |
1379 | ||
b84bf58a | 1380 | as_bad (_("duplicate instruction %s"), |
99a814a1 | 1381 | op->name); |
b84bf58a | 1382 | bad_insn = TRUE; |
252b5132 RH |
1383 | } |
1384 | } | |
1385 | } | |
1386 | ||
3c9030c1 AM |
1387 | if ((ppc_cpu & PPC_OPCODE_ANY) != 0) |
1388 | for (op = powerpc_opcodes; op < op_end; op++) | |
98027b10 | 1389 | hash_insert (ppc_hash, op->name, (void *) op); |
3c9030c1 | 1390 | |
252b5132 RH |
1391 | /* Insert the macros into a hash table. */ |
1392 | ppc_macro_hash = hash_new (); | |
1393 | ||
1394 | macro_end = powerpc_macros + powerpc_num_macros; | |
1395 | for (macro = powerpc_macros; macro < macro_end; macro++) | |
1396 | { | |
1397 | if ((macro->flags & ppc_cpu) != 0) | |
1398 | { | |
1399 | const char *retval; | |
1400 | ||
98027b10 | 1401 | retval = hash_insert (ppc_macro_hash, macro->name, (void *) macro); |
252b5132 RH |
1402 | if (retval != (const char *) NULL) |
1403 | { | |
b84bf58a AM |
1404 | as_bad (_("duplicate macro %s"), macro->name); |
1405 | bad_insn = TRUE; | |
252b5132 RH |
1406 | } |
1407 | } | |
1408 | } | |
1409 | ||
b84bf58a | 1410 | if (bad_insn) |
252b5132 | 1411 | abort (); |
69c040df AM |
1412 | } |
1413 | ||
1414 | /* This function is called when the assembler starts up. It is called | |
1415 | after the options have been parsed and the output file has been | |
1416 | opened. */ | |
1417 | ||
1418 | void | |
98027b10 | 1419 | md_begin (void) |
69c040df AM |
1420 | { |
1421 | ppc_set_cpu (); | |
1422 | ||
1423 | ppc_cie_data_alignment = ppc_obj64 ? -8 : -4; | |
1424 | ||
1425 | #ifdef OBJ_ELF | |
1426 | /* Set the ELF flags if desired. */ | |
1427 | if (ppc_flags && !msolaris) | |
1428 | bfd_set_private_flags (stdoutput, ppc_flags); | |
1429 | #endif | |
1430 | ||
1431 | ppc_setup_opcodes (); | |
252b5132 | 1432 | |
67c1ffbe | 1433 | /* Tell the main code what the endianness is if it is not overridden |
99a814a1 | 1434 | by the user. */ |
252b5132 RH |
1435 | if (!set_target_endian) |
1436 | { | |
1437 | set_target_endian = 1; | |
1438 | target_big_endian = PPC_BIG_ENDIAN; | |
1439 | } | |
1440 | ||
1441 | #ifdef OBJ_XCOFF | |
1442 | ppc_coff_debug_section = coff_section_from_bfd_index (stdoutput, N_DEBUG); | |
1443 | ||
1444 | /* Create dummy symbols to serve as initial csects. This forces the | |
1445 | text csects to precede the data csects. These symbols will not | |
1446 | be output. */ | |
1447 | ppc_text_csects = symbol_make ("dummy\001"); | |
809ffe0d | 1448 | symbol_get_tc (ppc_text_csects)->within = ppc_text_csects; |
252b5132 | 1449 | ppc_data_csects = symbol_make ("dummy\001"); |
809ffe0d | 1450 | symbol_get_tc (ppc_data_csects)->within = ppc_data_csects; |
252b5132 RH |
1451 | #endif |
1452 | ||
1453 | #ifdef TE_PE | |
1454 | ||
1455 | ppc_current_section = text_section; | |
81d4177b | 1456 | ppc_previous_section = 0; |
252b5132 RH |
1457 | |
1458 | #endif | |
1459 | } | |
1460 | ||
6a0c61b7 | 1461 | void |
98027b10 | 1462 | ppc_cleanup (void) |
6a0c61b7 | 1463 | { |
dc1d03fc | 1464 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
1465 | if (ppc_apuinfo_list == NULL) |
1466 | return; | |
1467 | ||
1468 | /* Ok, so write the section info out. We have this layout: | |
1469 | ||
1470 | byte data what | |
1471 | ---- ---- ---- | |
1472 | 0 8 length of "APUinfo\0" | |
1473 | 4 (n*4) number of APU's (4 bytes each) | |
1474 | 8 2 note type 2 | |
1475 | 12 "APUinfo\0" name | |
1476 | 20 APU#1 first APU's info | |
1477 | 24 APU#2 second APU's info | |
1478 | ... ... | |
1479 | */ | |
1480 | { | |
1481 | char *p; | |
1482 | asection *seg = now_seg; | |
1483 | subsegT subseg = now_subseg; | |
1484 | asection *apuinfo_secp = (asection *) NULL; | |
49181a6a | 1485 | unsigned int i; |
6a0c61b7 EZ |
1486 | |
1487 | /* Create the .PPC.EMB.apuinfo section. */ | |
1488 | apuinfo_secp = subseg_new (".PPC.EMB.apuinfo", 0); | |
1489 | bfd_set_section_flags (stdoutput, | |
1490 | apuinfo_secp, | |
e1a9cb8e | 1491 | SEC_HAS_CONTENTS | SEC_READONLY); |
6a0c61b7 EZ |
1492 | |
1493 | p = frag_more (4); | |
1494 | md_number_to_chars (p, (valueT) 8, 4); | |
1495 | ||
1496 | p = frag_more (4); | |
e98d298c | 1497 | md_number_to_chars (p, (valueT) ppc_apuinfo_num * 4, 4); |
6a0c61b7 EZ |
1498 | |
1499 | p = frag_more (4); | |
1500 | md_number_to_chars (p, (valueT) 2, 4); | |
1501 | ||
1502 | p = frag_more (8); | |
1503 | strcpy (p, "APUinfo"); | |
1504 | ||
1505 | for (i = 0; i < ppc_apuinfo_num; i++) | |
1506 | { | |
b34976b6 AM |
1507 | p = frag_more (4); |
1508 | md_number_to_chars (p, (valueT) ppc_apuinfo_list[i], 4); | |
6a0c61b7 EZ |
1509 | } |
1510 | ||
1511 | frag_align (2, 0, 0); | |
1512 | ||
1513 | /* We probably can't restore the current segment, for there likely | |
1514 | isn't one yet... */ | |
1515 | if (seg && subseg) | |
1516 | subseg_set (seg, subseg); | |
1517 | } | |
dc1d03fc | 1518 | #endif |
6a0c61b7 EZ |
1519 | } |
1520 | ||
252b5132 RH |
1521 | /* Insert an operand value into an instruction. */ |
1522 | ||
1523 | static unsigned long | |
a1867a27 AM |
1524 | ppc_insert_operand (unsigned long insn, |
1525 | const struct powerpc_operand *operand, | |
1526 | offsetT val, | |
1527 | char *file, | |
1528 | unsigned int line) | |
252b5132 | 1529 | { |
b84bf58a | 1530 | long min, max, right; |
eb42fac1 | 1531 | |
b84bf58a AM |
1532 | max = operand->bitm; |
1533 | right = max & -max; | |
1534 | min = 0; | |
1535 | ||
1536 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
252b5132 | 1537 | { |
b84bf58a | 1538 | if ((operand->flags & PPC_OPERAND_SIGNOPT) == 0) |
931774a9 AM |
1539 | max = (max >> 1) & -right; |
1540 | min = ~max & -right; | |
b84bf58a | 1541 | } |
252b5132 | 1542 | |
b84bf58a | 1543 | if ((operand->flags & PPC_OPERAND_PLUS1) != 0) |
3896c469 | 1544 | max++; |
252b5132 | 1545 | |
b84bf58a | 1546 | if ((operand->flags & PPC_OPERAND_NEGATIVE) != 0) |
a1867a27 AM |
1547 | { |
1548 | long tmp = min; | |
1549 | min = -max; | |
1550 | max = -tmp; | |
1551 | } | |
b84bf58a | 1552 | |
a1867a27 AM |
1553 | if (min <= max) |
1554 | { | |
1555 | /* Some people write constants with the sign extension done by | |
1556 | hand but only up to 32 bits. This shouldn't really be valid, | |
1557 | but, to permit this code to assemble on a 64-bit host, we | |
1558 | sign extend the 32-bit value to 64 bits if so doing makes the | |
1559 | value valid. */ | |
1560 | if (val > max | |
1561 | && (offsetT) (val - 0x80000000 - 0x80000000) >= min | |
1562 | && (offsetT) (val - 0x80000000 - 0x80000000) <= max | |
1563 | && ((val - 0x80000000 - 0x80000000) & (right - 1)) == 0) | |
1564 | val = val - 0x80000000 - 0x80000000; | |
1565 | ||
1566 | /* Similarly, people write expressions like ~(1<<15), and expect | |
1567 | this to be OK for a 32-bit unsigned value. */ | |
1568 | else if (val < min | |
1569 | && (offsetT) (val + 0x80000000 + 0x80000000) >= min | |
1570 | && (offsetT) (val + 0x80000000 + 0x80000000) <= max | |
1571 | && ((val + 0x80000000 + 0x80000000) & (right - 1)) == 0) | |
1572 | val = val + 0x80000000 + 0x80000000; | |
1573 | ||
1574 | else if (val < min | |
1575 | || val > max | |
1576 | || (val & (right - 1)) != 0) | |
1577 | as_bad_value_out_of_range (_("operand"), val, min, max, file, line); | |
1578 | } | |
b84bf58a | 1579 | |
252b5132 RH |
1580 | if (operand->insert) |
1581 | { | |
1582 | const char *errmsg; | |
1583 | ||
1584 | errmsg = NULL; | |
2b3c4602 | 1585 | insn = (*operand->insert) (insn, (long) val, ppc_cpu, &errmsg); |
252b5132 | 1586 | if (errmsg != (const char *) NULL) |
0baf16f2 | 1587 | as_bad_where (file, line, errmsg); |
252b5132 RH |
1588 | } |
1589 | else | |
b84bf58a | 1590 | insn |= ((long) val & operand->bitm) << operand->shift; |
252b5132 RH |
1591 | |
1592 | return insn; | |
1593 | } | |
1594 | ||
1595 | \f | |
1596 | #ifdef OBJ_ELF | |
1597 | /* Parse @got, etc. and return the desired relocation. */ | |
1598 | static bfd_reloc_code_real_type | |
98027b10 | 1599 | ppc_elf_suffix (char **str_p, expressionS *exp_p) |
252b5132 RH |
1600 | { |
1601 | struct map_bfd { | |
1602 | char *string; | |
b7d7dc63 AM |
1603 | unsigned int length : 8; |
1604 | unsigned int valid32 : 1; | |
1605 | unsigned int valid64 : 1; | |
1606 | unsigned int reloc; | |
252b5132 RH |
1607 | }; |
1608 | ||
1609 | char ident[20]; | |
1610 | char *str = *str_p; | |
1611 | char *str2; | |
1612 | int ch; | |
1613 | int len; | |
15c1449b | 1614 | const struct map_bfd *ptr; |
252b5132 | 1615 | |
b7d7dc63 AM |
1616 | #define MAP(str, reloc) { str, sizeof (str) - 1, 1, 1, reloc } |
1617 | #define MAP32(str, reloc) { str, sizeof (str) - 1, 1, 0, reloc } | |
1618 | #define MAP64(str, reloc) { str, sizeof (str) - 1, 0, 1, reloc } | |
252b5132 | 1619 | |
15c1449b | 1620 | static const struct map_bfd mapping[] = { |
b7d7dc63 AM |
1621 | MAP ("l", BFD_RELOC_LO16), |
1622 | MAP ("h", BFD_RELOC_HI16), | |
1623 | MAP ("ha", BFD_RELOC_HI16_S), | |
1624 | MAP ("brtaken", BFD_RELOC_PPC_B16_BRTAKEN), | |
1625 | MAP ("brntaken", BFD_RELOC_PPC_B16_BRNTAKEN), | |
1626 | MAP ("got", BFD_RELOC_16_GOTOFF), | |
1627 | MAP ("got@l", BFD_RELOC_LO16_GOTOFF), | |
1628 | MAP ("got@h", BFD_RELOC_HI16_GOTOFF), | |
1629 | MAP ("got@ha", BFD_RELOC_HI16_S_GOTOFF), | |
1630 | MAP ("plt@l", BFD_RELOC_LO16_PLTOFF), | |
1631 | MAP ("plt@h", BFD_RELOC_HI16_PLTOFF), | |
1632 | MAP ("plt@ha", BFD_RELOC_HI16_S_PLTOFF), | |
1633 | MAP ("copy", BFD_RELOC_PPC_COPY), | |
1634 | MAP ("globdat", BFD_RELOC_PPC_GLOB_DAT), | |
1635 | MAP ("sectoff", BFD_RELOC_16_BASEREL), | |
1636 | MAP ("sectoff@l", BFD_RELOC_LO16_BASEREL), | |
1637 | MAP ("sectoff@h", BFD_RELOC_HI16_BASEREL), | |
1638 | MAP ("sectoff@ha", BFD_RELOC_HI16_S_BASEREL), | |
1639 | MAP ("tls", BFD_RELOC_PPC_TLS), | |
1640 | MAP ("dtpmod", BFD_RELOC_PPC_DTPMOD), | |
1641 | MAP ("dtprel", BFD_RELOC_PPC_DTPREL), | |
1642 | MAP ("dtprel@l", BFD_RELOC_PPC_DTPREL16_LO), | |
1643 | MAP ("dtprel@h", BFD_RELOC_PPC_DTPREL16_HI), | |
1644 | MAP ("dtprel@ha", BFD_RELOC_PPC_DTPREL16_HA), | |
1645 | MAP ("tprel", BFD_RELOC_PPC_TPREL), | |
1646 | MAP ("tprel@l", BFD_RELOC_PPC_TPREL16_LO), | |
1647 | MAP ("tprel@h", BFD_RELOC_PPC_TPREL16_HI), | |
1648 | MAP ("tprel@ha", BFD_RELOC_PPC_TPREL16_HA), | |
1649 | MAP ("got@tlsgd", BFD_RELOC_PPC_GOT_TLSGD16), | |
1650 | MAP ("got@tlsgd@l", BFD_RELOC_PPC_GOT_TLSGD16_LO), | |
1651 | MAP ("got@tlsgd@h", BFD_RELOC_PPC_GOT_TLSGD16_HI), | |
1652 | MAP ("got@tlsgd@ha", BFD_RELOC_PPC_GOT_TLSGD16_HA), | |
1653 | MAP ("got@tlsld", BFD_RELOC_PPC_GOT_TLSLD16), | |
1654 | MAP ("got@tlsld@l", BFD_RELOC_PPC_GOT_TLSLD16_LO), | |
1655 | MAP ("got@tlsld@h", BFD_RELOC_PPC_GOT_TLSLD16_HI), | |
1656 | MAP ("got@tlsld@ha", BFD_RELOC_PPC_GOT_TLSLD16_HA), | |
1657 | MAP ("got@dtprel", BFD_RELOC_PPC_GOT_DTPREL16), | |
1658 | MAP ("got@dtprel@l", BFD_RELOC_PPC_GOT_DTPREL16_LO), | |
1659 | MAP ("got@dtprel@h", BFD_RELOC_PPC_GOT_DTPREL16_HI), | |
1660 | MAP ("got@dtprel@ha", BFD_RELOC_PPC_GOT_DTPREL16_HA), | |
1661 | MAP ("got@tprel", BFD_RELOC_PPC_GOT_TPREL16), | |
1662 | MAP ("got@tprel@l", BFD_RELOC_PPC_GOT_TPREL16_LO), | |
1663 | MAP ("got@tprel@h", BFD_RELOC_PPC_GOT_TPREL16_HI), | |
1664 | MAP ("got@tprel@ha", BFD_RELOC_PPC_GOT_TPREL16_HA), | |
1665 | MAP32 ("fixup", BFD_RELOC_CTOR), | |
1666 | MAP32 ("plt", BFD_RELOC_24_PLT_PCREL), | |
1667 | MAP32 ("pltrel24", BFD_RELOC_24_PLT_PCREL), | |
1668 | MAP32 ("local24pc", BFD_RELOC_PPC_LOCAL24PC), | |
1669 | MAP32 ("local", BFD_RELOC_PPC_LOCAL24PC), | |
1670 | MAP32 ("pltrel", BFD_RELOC_32_PLT_PCREL), | |
1671 | MAP32 ("sdarel", BFD_RELOC_GPREL16), | |
1672 | MAP32 ("naddr", BFD_RELOC_PPC_EMB_NADDR32), | |
1673 | MAP32 ("naddr16", BFD_RELOC_PPC_EMB_NADDR16), | |
1674 | MAP32 ("naddr@l", BFD_RELOC_PPC_EMB_NADDR16_LO), | |
1675 | MAP32 ("naddr@h", BFD_RELOC_PPC_EMB_NADDR16_HI), | |
1676 | MAP32 ("naddr@ha", BFD_RELOC_PPC_EMB_NADDR16_HA), | |
1677 | MAP32 ("sdai16", BFD_RELOC_PPC_EMB_SDAI16), | |
1678 | MAP32 ("sda2rel", BFD_RELOC_PPC_EMB_SDA2REL), | |
1679 | MAP32 ("sda2i16", BFD_RELOC_PPC_EMB_SDA2I16), | |
1680 | MAP32 ("sda21", BFD_RELOC_PPC_EMB_SDA21), | |
1681 | MAP32 ("mrkref", BFD_RELOC_PPC_EMB_MRKREF), | |
1682 | MAP32 ("relsect", BFD_RELOC_PPC_EMB_RELSEC16), | |
1683 | MAP32 ("relsect@l", BFD_RELOC_PPC_EMB_RELST_LO), | |
1684 | MAP32 ("relsect@h", BFD_RELOC_PPC_EMB_RELST_HI), | |
1685 | MAP32 ("relsect@ha", BFD_RELOC_PPC_EMB_RELST_HA), | |
1686 | MAP32 ("bitfld", BFD_RELOC_PPC_EMB_BIT_FLD), | |
1687 | MAP32 ("relsda", BFD_RELOC_PPC_EMB_RELSDA), | |
1688 | MAP32 ("xgot", BFD_RELOC_PPC_TOC16), | |
1689 | MAP64 ("higher", BFD_RELOC_PPC64_HIGHER), | |
1690 | MAP64 ("highera", BFD_RELOC_PPC64_HIGHER_S), | |
1691 | MAP64 ("highest", BFD_RELOC_PPC64_HIGHEST), | |
1692 | MAP64 ("highesta", BFD_RELOC_PPC64_HIGHEST_S), | |
1693 | MAP64 ("tocbase", BFD_RELOC_PPC64_TOC), | |
1694 | MAP64 ("toc", BFD_RELOC_PPC_TOC16), | |
1695 | MAP64 ("toc@l", BFD_RELOC_PPC64_TOC16_LO), | |
1696 | MAP64 ("toc@h", BFD_RELOC_PPC64_TOC16_HI), | |
1697 | MAP64 ("toc@ha", BFD_RELOC_PPC64_TOC16_HA), | |
1698 | MAP64 ("dtprel@higher", BFD_RELOC_PPC64_DTPREL16_HIGHER), | |
1699 | MAP64 ("dtprel@highera", BFD_RELOC_PPC64_DTPREL16_HIGHERA), | |
1700 | MAP64 ("dtprel@highest", BFD_RELOC_PPC64_DTPREL16_HIGHEST), | |
1701 | MAP64 ("dtprel@highesta", BFD_RELOC_PPC64_DTPREL16_HIGHESTA), | |
1702 | MAP64 ("tprel@higher", BFD_RELOC_PPC64_TPREL16_HIGHER), | |
1703 | MAP64 ("tprel@highera", BFD_RELOC_PPC64_TPREL16_HIGHERA), | |
1704 | MAP64 ("tprel@highest", BFD_RELOC_PPC64_TPREL16_HIGHEST), | |
1705 | MAP64 ("tprel@highesta", BFD_RELOC_PPC64_TPREL16_HIGHESTA), | |
1706 | { (char *) 0, 0, 0, 0, BFD_RELOC_UNUSED } | |
252b5132 RH |
1707 | }; |
1708 | ||
1709 | if (*str++ != '@') | |
1710 | return BFD_RELOC_UNUSED; | |
1711 | ||
1712 | for (ch = *str, str2 = ident; | |
1713 | (str2 < ident + sizeof (ident) - 1 | |
3882b010 | 1714 | && (ISALNUM (ch) || ch == '@')); |
252b5132 RH |
1715 | ch = *++str) |
1716 | { | |
3882b010 | 1717 | *str2++ = TOLOWER (ch); |
252b5132 RH |
1718 | } |
1719 | ||
1720 | *str2 = '\0'; | |
1721 | len = str2 - ident; | |
1722 | ||
1723 | ch = ident[0]; | |
1724 | for (ptr = &mapping[0]; ptr->length > 0; ptr++) | |
1725 | if (ch == ptr->string[0] | |
1726 | && len == ptr->length | |
b7d7dc63 AM |
1727 | && memcmp (ident, ptr->string, ptr->length) == 0 |
1728 | && (ppc_obj64 ? ptr->valid64 : ptr->valid32)) | |
252b5132 | 1729 | { |
15c1449b AM |
1730 | int reloc = ptr->reloc; |
1731 | ||
cdba85ec | 1732 | if (!ppc_obj64) |
5f6db75a AM |
1733 | if (exp_p->X_add_number != 0 |
1734 | && (reloc == (int) BFD_RELOC_16_GOTOFF | |
1735 | || reloc == (int) BFD_RELOC_LO16_GOTOFF | |
1736 | || reloc == (int) BFD_RELOC_HI16_GOTOFF | |
1737 | || reloc == (int) BFD_RELOC_HI16_S_GOTOFF)) | |
1738 | as_warn (_("identifier+constant@got means identifier@got+constant")); | |
1739 | ||
1740 | /* Now check for identifier@suffix+constant. */ | |
1741 | if (*str == '-' || *str == '+') | |
252b5132 | 1742 | { |
5f6db75a AM |
1743 | char *orig_line = input_line_pointer; |
1744 | expressionS new_exp; | |
1745 | ||
1746 | input_line_pointer = str; | |
1747 | expression (&new_exp); | |
1748 | if (new_exp.X_op == O_constant) | |
252b5132 | 1749 | { |
5f6db75a AM |
1750 | exp_p->X_add_number += new_exp.X_add_number; |
1751 | str = input_line_pointer; | |
252b5132 | 1752 | } |
5f6db75a AM |
1753 | |
1754 | if (&input_line_pointer != str_p) | |
1755 | input_line_pointer = orig_line; | |
252b5132 | 1756 | } |
252b5132 | 1757 | *str_p = str; |
0baf16f2 | 1758 | |
2b3c4602 | 1759 | if (reloc == (int) BFD_RELOC_PPC64_TOC |
9f2b53d7 AM |
1760 | && exp_p->X_op == O_symbol |
1761 | && strcmp (S_GET_NAME (exp_p->X_add_symbol), ".TOC.") == 0) | |
0baf16f2 | 1762 | { |
9f2b53d7 AM |
1763 | /* Change the symbol so that the dummy .TOC. symbol can be |
1764 | omitted from the object file. */ | |
0baf16f2 AM |
1765 | exp_p->X_add_symbol = &abs_symbol; |
1766 | } | |
1767 | ||
15c1449b | 1768 | return (bfd_reloc_code_real_type) reloc; |
252b5132 RH |
1769 | } |
1770 | ||
1771 | return BFD_RELOC_UNUSED; | |
1772 | } | |
1773 | ||
99a814a1 AM |
1774 | /* Like normal .long/.short/.word, except support @got, etc. |
1775 | Clobbers input_line_pointer, checks end-of-line. */ | |
252b5132 | 1776 | static void |
98027b10 | 1777 | ppc_elf_cons (int nbytes /* 1=.byte, 2=.word, 4=.long, 8=.llong */) |
252b5132 RH |
1778 | { |
1779 | expressionS exp; | |
1780 | bfd_reloc_code_real_type reloc; | |
1781 | ||
1782 | if (is_it_end_of_statement ()) | |
1783 | { | |
1784 | demand_empty_rest_of_line (); | |
1785 | return; | |
1786 | } | |
1787 | ||
1788 | do | |
1789 | { | |
1790 | expression (&exp); | |
1791 | if (exp.X_op == O_symbol | |
1792 | && *input_line_pointer == '@' | |
99a814a1 AM |
1793 | && (reloc = ppc_elf_suffix (&input_line_pointer, |
1794 | &exp)) != BFD_RELOC_UNUSED) | |
252b5132 | 1795 | { |
99a814a1 AM |
1796 | reloc_howto_type *reloc_howto; |
1797 | int size; | |
1798 | ||
1799 | reloc_howto = bfd_reloc_type_lookup (stdoutput, reloc); | |
1800 | size = bfd_get_reloc_size (reloc_howto); | |
252b5132 RH |
1801 | |
1802 | if (size > nbytes) | |
0baf16f2 AM |
1803 | { |
1804 | as_bad (_("%s relocations do not fit in %d bytes\n"), | |
1805 | reloc_howto->name, nbytes); | |
1806 | } | |
252b5132 RH |
1807 | else |
1808 | { | |
0baf16f2 AM |
1809 | char *p; |
1810 | int offset; | |
252b5132 | 1811 | |
0baf16f2 AM |
1812 | p = frag_more (nbytes); |
1813 | offset = 0; | |
1814 | if (target_big_endian) | |
1815 | offset = nbytes - size; | |
99a814a1 AM |
1816 | fix_new_exp (frag_now, p - frag_now->fr_literal + offset, size, |
1817 | &exp, 0, reloc); | |
252b5132 RH |
1818 | } |
1819 | } | |
1820 | else | |
1821 | emit_expr (&exp, (unsigned int) nbytes); | |
1822 | } | |
1823 | while (*input_line_pointer++ == ','); | |
1824 | ||
99a814a1 AM |
1825 | /* Put terminator back into stream. */ |
1826 | input_line_pointer--; | |
252b5132 RH |
1827 | demand_empty_rest_of_line (); |
1828 | } | |
1829 | ||
1830 | /* Solaris pseduo op to change to the .rodata section. */ | |
1831 | static void | |
98027b10 | 1832 | ppc_elf_rdata (int xxx) |
252b5132 RH |
1833 | { |
1834 | char *save_line = input_line_pointer; | |
1835 | static char section[] = ".rodata\n"; | |
1836 | ||
99a814a1 | 1837 | /* Just pretend this is .section .rodata */ |
252b5132 RH |
1838 | input_line_pointer = section; |
1839 | obj_elf_section (xxx); | |
1840 | ||
1841 | input_line_pointer = save_line; | |
1842 | } | |
1843 | ||
99a814a1 | 1844 | /* Pseudo op to make file scope bss items. */ |
252b5132 | 1845 | static void |
98027b10 | 1846 | ppc_elf_lcomm (int xxx ATTRIBUTE_UNUSED) |
252b5132 | 1847 | { |
98027b10 AM |
1848 | char *name; |
1849 | char c; | |
1850 | char *p; | |
252b5132 | 1851 | offsetT size; |
98027b10 | 1852 | symbolS *symbolP; |
252b5132 RH |
1853 | offsetT align; |
1854 | segT old_sec; | |
1855 | int old_subsec; | |
1856 | char *pfrag; | |
1857 | int align2; | |
1858 | ||
1859 | name = input_line_pointer; | |
1860 | c = get_symbol_end (); | |
1861 | ||
99a814a1 | 1862 | /* just after name is now '\0'. */ |
252b5132 RH |
1863 | p = input_line_pointer; |
1864 | *p = c; | |
1865 | SKIP_WHITESPACE (); | |
1866 | if (*input_line_pointer != ',') | |
1867 | { | |
1868 | as_bad (_("Expected comma after symbol-name: rest of line ignored.")); | |
1869 | ignore_rest_of_line (); | |
1870 | return; | |
1871 | } | |
1872 | ||
1873 | input_line_pointer++; /* skip ',' */ | |
1874 | if ((size = get_absolute_expression ()) < 0) | |
1875 | { | |
1876 | as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) size); | |
1877 | ignore_rest_of_line (); | |
1878 | return; | |
1879 | } | |
1880 | ||
1881 | /* The third argument to .lcomm is the alignment. */ | |
1882 | if (*input_line_pointer != ',') | |
1883 | align = 8; | |
1884 | else | |
1885 | { | |
1886 | ++input_line_pointer; | |
1887 | align = get_absolute_expression (); | |
1888 | if (align <= 0) | |
1889 | { | |
1890 | as_warn (_("ignoring bad alignment")); | |
1891 | align = 8; | |
1892 | } | |
1893 | } | |
1894 | ||
1895 | *p = 0; | |
1896 | symbolP = symbol_find_or_make (name); | |
1897 | *p = c; | |
1898 | ||
1899 | if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP)) | |
1900 | { | |
1901 | as_bad (_("Ignoring attempt to re-define symbol `%s'."), | |
1902 | S_GET_NAME (symbolP)); | |
1903 | ignore_rest_of_line (); | |
1904 | return; | |
1905 | } | |
1906 | ||
1907 | if (S_GET_VALUE (symbolP) && S_GET_VALUE (symbolP) != (valueT) size) | |
1908 | { | |
1909 | as_bad (_("Length of .lcomm \"%s\" is already %ld. Not changed to %ld."), | |
1910 | S_GET_NAME (symbolP), | |
1911 | (long) S_GET_VALUE (symbolP), | |
1912 | (long) size); | |
1913 | ||
1914 | ignore_rest_of_line (); | |
1915 | return; | |
1916 | } | |
1917 | ||
99a814a1 | 1918 | /* Allocate_bss. */ |
252b5132 RH |
1919 | old_sec = now_seg; |
1920 | old_subsec = now_subseg; | |
1921 | if (align) | |
1922 | { | |
99a814a1 | 1923 | /* Convert to a power of 2 alignment. */ |
252b5132 RH |
1924 | for (align2 = 0; (align & 1) == 0; align >>= 1, ++align2); |
1925 | if (align != 1) | |
1926 | { | |
1927 | as_bad (_("Common alignment not a power of 2")); | |
1928 | ignore_rest_of_line (); | |
1929 | return; | |
1930 | } | |
1931 | } | |
1932 | else | |
1933 | align2 = 0; | |
1934 | ||
1935 | record_alignment (bss_section, align2); | |
1936 | subseg_set (bss_section, 0); | |
1937 | if (align2) | |
1938 | frag_align (align2, 0, 0); | |
1939 | if (S_GET_SEGMENT (symbolP) == bss_section) | |
49309057 ILT |
1940 | symbol_get_frag (symbolP)->fr_symbol = 0; |
1941 | symbol_set_frag (symbolP, frag_now); | |
252b5132 RH |
1942 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, size, |
1943 | (char *) 0); | |
1944 | *pfrag = 0; | |
1945 | S_SET_SIZE (symbolP, size); | |
1946 | S_SET_SEGMENT (symbolP, bss_section); | |
1947 | subseg_set (old_sec, old_subsec); | |
1948 | demand_empty_rest_of_line (); | |
1949 | } | |
1950 | ||
1951 | /* Validate any relocations emitted for -mrelocatable, possibly adding | |
1952 | fixups for word relocations in writable segments, so we can adjust | |
1953 | them at runtime. */ | |
1954 | static void | |
98027b10 | 1955 | ppc_elf_validate_fix (fixS *fixp, segT seg) |
252b5132 RH |
1956 | { |
1957 | if (fixp->fx_done || fixp->fx_pcrel) | |
1958 | return; | |
1959 | ||
1960 | switch (shlib) | |
1961 | { | |
1962 | case SHLIB_NONE: | |
1963 | case SHLIB_PIC: | |
1964 | return; | |
1965 | ||
5d6f4f16 | 1966 | case SHLIB_MRELOCATABLE: |
252b5132 RH |
1967 | if (fixp->fx_r_type <= BFD_RELOC_UNUSED |
1968 | && fixp->fx_r_type != BFD_RELOC_16_GOTOFF | |
1969 | && fixp->fx_r_type != BFD_RELOC_HI16_GOTOFF | |
1970 | && fixp->fx_r_type != BFD_RELOC_LO16_GOTOFF | |
1971 | && fixp->fx_r_type != BFD_RELOC_HI16_S_GOTOFF | |
1cfc59d5 | 1972 | && fixp->fx_r_type != BFD_RELOC_16_BASEREL |
252b5132 RH |
1973 | && fixp->fx_r_type != BFD_RELOC_LO16_BASEREL |
1974 | && fixp->fx_r_type != BFD_RELOC_HI16_BASEREL | |
1975 | && fixp->fx_r_type != BFD_RELOC_HI16_S_BASEREL | |
e138127a | 1976 | && (seg->flags & SEC_LOAD) != 0 |
252b5132 RH |
1977 | && strcmp (segment_name (seg), ".got2") != 0 |
1978 | && strcmp (segment_name (seg), ".dtors") != 0 | |
1979 | && strcmp (segment_name (seg), ".ctors") != 0 | |
1980 | && strcmp (segment_name (seg), ".fixup") != 0 | |
252b5132 RH |
1981 | && strcmp (segment_name (seg), ".gcc_except_table") != 0 |
1982 | && strcmp (segment_name (seg), ".eh_frame") != 0 | |
1983 | && strcmp (segment_name (seg), ".ex_shared") != 0) | |
1984 | { | |
1985 | if ((seg->flags & (SEC_READONLY | SEC_CODE)) != 0 | |
1986 | || fixp->fx_r_type != BFD_RELOC_CTOR) | |
1987 | { | |
1988 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
1989 | _("Relocation cannot be done when using -mrelocatable")); | |
1990 | } | |
1991 | } | |
1992 | return; | |
1993 | } | |
1994 | } | |
0baf16f2 | 1995 | |
7e8d4ab4 AM |
1996 | /* Prevent elf_frob_file_before_adjust removing a weak undefined |
1997 | function descriptor sym if the corresponding code sym is used. */ | |
1998 | ||
1999 | void | |
98027b10 | 2000 | ppc_frob_file_before_adjust (void) |
0baf16f2 | 2001 | { |
7e8d4ab4 | 2002 | symbolS *symp; |
9232bbb0 | 2003 | asection *toc; |
0baf16f2 | 2004 | |
7e8d4ab4 AM |
2005 | if (!ppc_obj64) |
2006 | return; | |
2007 | ||
2008 | for (symp = symbol_rootP; symp; symp = symbol_next (symp)) | |
0baf16f2 | 2009 | { |
7e8d4ab4 AM |
2010 | const char *name; |
2011 | char *dotname; | |
2012 | symbolS *dotsym; | |
2013 | size_t len; | |
2014 | ||
2015 | name = S_GET_NAME (symp); | |
2016 | if (name[0] == '.') | |
2017 | continue; | |
2018 | ||
2019 | if (! S_IS_WEAK (symp) | |
2020 | || S_IS_DEFINED (symp)) | |
2021 | continue; | |
2022 | ||
2023 | len = strlen (name) + 1; | |
2024 | dotname = xmalloc (len + 1); | |
2025 | dotname[0] = '.'; | |
2026 | memcpy (dotname + 1, name, len); | |
461b725f | 2027 | dotsym = symbol_find_noref (dotname, 1); |
7e8d4ab4 AM |
2028 | free (dotname); |
2029 | if (dotsym != NULL && (symbol_used_p (dotsym) | |
2030 | || symbol_used_in_reloc_p (dotsym))) | |
670ec21d NC |
2031 | symbol_mark_used (symp); |
2032 | ||
0baf16f2 AM |
2033 | } |
2034 | ||
9232bbb0 AM |
2035 | toc = bfd_get_section_by_name (stdoutput, ".toc"); |
2036 | if (toc != NULL | |
2037 | && bfd_section_size (stdoutput, toc) > 0x10000) | |
2038 | as_warn (_("TOC section size exceeds 64k")); | |
2039 | ||
7e8d4ab4 AM |
2040 | /* Don't emit .TOC. symbol. */ |
2041 | symp = symbol_find (".TOC."); | |
2042 | if (symp != NULL) | |
2043 | symbol_remove (symp, &symbol_rootP, &symbol_lastP); | |
0baf16f2 | 2044 | } |
252b5132 RH |
2045 | #endif /* OBJ_ELF */ |
2046 | \f | |
2047 | #ifdef TE_PE | |
2048 | ||
2049 | /* | |
99a814a1 | 2050 | * Summary of parse_toc_entry. |
252b5132 RH |
2051 | * |
2052 | * in: Input_line_pointer points to the '[' in one of: | |
2053 | * | |
2054 | * [toc] [tocv] [toc32] [toc64] | |
2055 | * | |
2056 | * Anything else is an error of one kind or another. | |
2057 | * | |
81d4177b | 2058 | * out: |
252b5132 RH |
2059 | * return value: success or failure |
2060 | * toc_kind: kind of toc reference | |
2061 | * input_line_pointer: | |
2062 | * success: first char after the ']' | |
2063 | * failure: unchanged | |
2064 | * | |
2065 | * settings: | |
2066 | * | |
2067 | * [toc] - rv == success, toc_kind = default_toc | |
2068 | * [tocv] - rv == success, toc_kind = data_in_toc | |
2069 | * [toc32] - rv == success, toc_kind = must_be_32 | |
2070 | * [toc64] - rv == success, toc_kind = must_be_64 | |
2071 | * | |
2072 | */ | |
2073 | ||
81d4177b KH |
2074 | enum toc_size_qualifier |
2075 | { | |
252b5132 RH |
2076 | default_toc, /* The toc cell constructed should be the system default size */ |
2077 | data_in_toc, /* This is a direct reference to a toc cell */ | |
2078 | must_be_32, /* The toc cell constructed must be 32 bits wide */ | |
2079 | must_be_64 /* The toc cell constructed must be 64 bits wide */ | |
2080 | }; | |
2081 | ||
2082 | static int | |
98027b10 | 2083 | parse_toc_entry (enum toc_size_qualifier *toc_kind) |
252b5132 RH |
2084 | { |
2085 | char *start; | |
2086 | char *toc_spec; | |
2087 | char c; | |
2088 | enum toc_size_qualifier t; | |
2089 | ||
99a814a1 | 2090 | /* Save the input_line_pointer. */ |
252b5132 RH |
2091 | start = input_line_pointer; |
2092 | ||
99a814a1 | 2093 | /* Skip over the '[' , and whitespace. */ |
252b5132 RH |
2094 | ++input_line_pointer; |
2095 | SKIP_WHITESPACE (); | |
81d4177b | 2096 | |
99a814a1 | 2097 | /* Find the spelling of the operand. */ |
252b5132 RH |
2098 | toc_spec = input_line_pointer; |
2099 | c = get_symbol_end (); | |
2100 | ||
99a814a1 | 2101 | if (strcmp (toc_spec, "toc") == 0) |
252b5132 RH |
2102 | { |
2103 | t = default_toc; | |
2104 | } | |
99a814a1 | 2105 | else if (strcmp (toc_spec, "tocv") == 0) |
252b5132 RH |
2106 | { |
2107 | t = data_in_toc; | |
2108 | } | |
99a814a1 | 2109 | else if (strcmp (toc_spec, "toc32") == 0) |
252b5132 RH |
2110 | { |
2111 | t = must_be_32; | |
2112 | } | |
99a814a1 | 2113 | else if (strcmp (toc_spec, "toc64") == 0) |
252b5132 RH |
2114 | { |
2115 | t = must_be_64; | |
2116 | } | |
2117 | else | |
2118 | { | |
2119 | as_bad (_("syntax error: invalid toc specifier `%s'"), toc_spec); | |
99a814a1 AM |
2120 | *input_line_pointer = c; |
2121 | input_line_pointer = start; | |
252b5132 RH |
2122 | return 0; |
2123 | } | |
2124 | ||
99a814a1 AM |
2125 | /* Now find the ']'. */ |
2126 | *input_line_pointer = c; | |
252b5132 | 2127 | |
81d4177b KH |
2128 | SKIP_WHITESPACE (); /* leading whitespace could be there. */ |
2129 | c = *input_line_pointer++; /* input_line_pointer->past char in c. */ | |
252b5132 RH |
2130 | |
2131 | if (c != ']') | |
2132 | { | |
2133 | as_bad (_("syntax error: expected `]', found `%c'"), c); | |
99a814a1 | 2134 | input_line_pointer = start; |
252b5132 RH |
2135 | return 0; |
2136 | } | |
2137 | ||
99a814a1 | 2138 | *toc_kind = t; |
252b5132 RH |
2139 | return 1; |
2140 | } | |
2141 | #endif | |
2142 | \f | |
2143 | ||
dc1d03fc | 2144 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
2145 | #define APUID(a,v) ((((a) & 0xffff) << 16) | ((v) & 0xffff)) |
2146 | static void | |
98027b10 | 2147 | ppc_apuinfo_section_add (unsigned int apu, unsigned int version) |
6a0c61b7 EZ |
2148 | { |
2149 | unsigned int i; | |
2150 | ||
2151 | /* Check we don't already exist. */ | |
2152 | for (i = 0; i < ppc_apuinfo_num; i++) | |
dc1d03fc | 2153 | if (ppc_apuinfo_list[i] == APUID (apu, version)) |
6a0c61b7 | 2154 | return; |
b34976b6 | 2155 | |
6a0c61b7 EZ |
2156 | if (ppc_apuinfo_num == ppc_apuinfo_num_alloc) |
2157 | { | |
2158 | if (ppc_apuinfo_num_alloc == 0) | |
2159 | { | |
2160 | ppc_apuinfo_num_alloc = 4; | |
2161 | ppc_apuinfo_list = (unsigned long *) | |
2162 | xmalloc (sizeof (unsigned long) * ppc_apuinfo_num_alloc); | |
2163 | } | |
2164 | else | |
2165 | { | |
2166 | ppc_apuinfo_num_alloc += 4; | |
2167 | ppc_apuinfo_list = (unsigned long *) xrealloc (ppc_apuinfo_list, | |
2168 | sizeof (unsigned long) * ppc_apuinfo_num_alloc); | |
2169 | } | |
2170 | } | |
dc1d03fc | 2171 | ppc_apuinfo_list[ppc_apuinfo_num++] = APUID (apu, version); |
6a0c61b7 EZ |
2172 | } |
2173 | #undef APUID | |
dc1d03fc | 2174 | #endif |
6a0c61b7 EZ |
2175 | \f |
2176 | ||
252b5132 RH |
2177 | /* We need to keep a list of fixups. We can't simply generate them as |
2178 | we go, because that would require us to first create the frag, and | |
2179 | that would screw up references to ``.''. */ | |
2180 | ||
2181 | struct ppc_fixup | |
2182 | { | |
2183 | expressionS exp; | |
2184 | int opindex; | |
2185 | bfd_reloc_code_real_type reloc; | |
2186 | }; | |
2187 | ||
2188 | #define MAX_INSN_FIXUPS (5) | |
2189 | ||
2190 | /* This routine is called for each instruction to be assembled. */ | |
2191 | ||
2192 | void | |
98027b10 | 2193 | md_assemble (char *str) |
252b5132 RH |
2194 | { |
2195 | char *s; | |
2196 | const struct powerpc_opcode *opcode; | |
2197 | unsigned long insn; | |
2198 | const unsigned char *opindex_ptr; | |
2199 | int skip_optional; | |
2200 | int need_paren; | |
2201 | int next_opindex; | |
2202 | struct ppc_fixup fixups[MAX_INSN_FIXUPS]; | |
2203 | int fc; | |
2204 | char *f; | |
09b935ac | 2205 | int addr_mod; |
252b5132 RH |
2206 | int i; |
2207 | #ifdef OBJ_ELF | |
2208 | bfd_reloc_code_real_type reloc; | |
2209 | #endif | |
2210 | ||
2211 | /* Get the opcode. */ | |
3882b010 | 2212 | for (s = str; *s != '\0' && ! ISSPACE (*s); s++) |
252b5132 RH |
2213 | ; |
2214 | if (*s != '\0') | |
2215 | *s++ = '\0'; | |
2216 | ||
2217 | /* Look up the opcode in the hash table. */ | |
2218 | opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, str); | |
2219 | if (opcode == (const struct powerpc_opcode *) NULL) | |
2220 | { | |
2221 | const struct powerpc_macro *macro; | |
2222 | ||
2223 | macro = (const struct powerpc_macro *) hash_find (ppc_macro_hash, str); | |
2224 | if (macro == (const struct powerpc_macro *) NULL) | |
2225 | as_bad (_("Unrecognized opcode: `%s'"), str); | |
2226 | else | |
2227 | ppc_macro (s, macro); | |
2228 | ||
2229 | return; | |
2230 | } | |
2231 | ||
2232 | insn = opcode->opcode; | |
2233 | ||
2234 | str = s; | |
3882b010 | 2235 | while (ISSPACE (*str)) |
252b5132 RH |
2236 | ++str; |
2237 | ||
2238 | /* PowerPC operands are just expressions. The only real issue is | |
2239 | that a few operand types are optional. All cases which might use | |
1f6c9eb0 ZW |
2240 | an optional operand separate the operands only with commas (in some |
2241 | cases parentheses are used, as in ``lwz 1,0(1)'' but such cases never | |
2242 | have optional operands). Most instructions with optional operands | |
2243 | have only one. Those that have more than one optional operand can | |
2244 | take either all their operands or none. So, before we start seriously | |
2245 | parsing the operands, we check to see if we have optional operands, | |
2246 | and if we do, we count the number of commas to see which operands | |
2247 | have been omitted. */ | |
252b5132 RH |
2248 | skip_optional = 0; |
2249 | for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++) | |
2250 | { | |
2251 | const struct powerpc_operand *operand; | |
2252 | ||
2253 | operand = &powerpc_operands[*opindex_ptr]; | |
2254 | if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0) | |
2255 | { | |
2256 | unsigned int opcount; | |
7fe9cf6b NC |
2257 | unsigned int num_operands_expected; |
2258 | unsigned int i; | |
252b5132 RH |
2259 | |
2260 | /* There is an optional operand. Count the number of | |
2261 | commas in the input line. */ | |
2262 | if (*str == '\0') | |
2263 | opcount = 0; | |
2264 | else | |
2265 | { | |
2266 | opcount = 1; | |
2267 | s = str; | |
2268 | while ((s = strchr (s, ',')) != (char *) NULL) | |
2269 | { | |
2270 | ++opcount; | |
2271 | ++s; | |
2272 | } | |
2273 | } | |
2274 | ||
7fe9cf6b NC |
2275 | /* Compute the number of expected operands. |
2276 | Do not count fake operands. */ | |
2277 | for (num_operands_expected = 0, i = 0; opcode->operands[i]; i ++) | |
2278 | if ((powerpc_operands [opcode->operands[i]].flags & PPC_OPERAND_FAKE) == 0) | |
2279 | ++ num_operands_expected; | |
2280 | ||
252b5132 RH |
2281 | /* If there are fewer operands in the line then are called |
2282 | for by the instruction, we want to skip the optional | |
1f6c9eb0 | 2283 | operands. */ |
7fe9cf6b | 2284 | if (opcount < num_operands_expected) |
252b5132 RH |
2285 | skip_optional = 1; |
2286 | ||
2287 | break; | |
2288 | } | |
2289 | } | |
2290 | ||
2291 | /* Gather the operands. */ | |
2292 | need_paren = 0; | |
2293 | next_opindex = 0; | |
2294 | fc = 0; | |
2295 | for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++) | |
2296 | { | |
2297 | const struct powerpc_operand *operand; | |
2298 | const char *errmsg; | |
2299 | char *hold; | |
2300 | expressionS ex; | |
2301 | char endc; | |
2302 | ||
2303 | if (next_opindex == 0) | |
2304 | operand = &powerpc_operands[*opindex_ptr]; | |
2305 | else | |
2306 | { | |
2307 | operand = &powerpc_operands[next_opindex]; | |
2308 | next_opindex = 0; | |
2309 | } | |
252b5132 RH |
2310 | errmsg = NULL; |
2311 | ||
2312 | /* If this is a fake operand, then we do not expect anything | |
2313 | from the input. */ | |
2314 | if ((operand->flags & PPC_OPERAND_FAKE) != 0) | |
2315 | { | |
2b3c4602 | 2316 | insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg); |
252b5132 RH |
2317 | if (errmsg != (const char *) NULL) |
2318 | as_bad (errmsg); | |
2319 | continue; | |
2320 | } | |
2321 | ||
2322 | /* If this is an optional operand, and we are skipping it, just | |
2323 | insert a zero. */ | |
2324 | if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0 | |
2325 | && skip_optional) | |
2326 | { | |
2327 | if (operand->insert) | |
2328 | { | |
2b3c4602 | 2329 | insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg); |
252b5132 RH |
2330 | if (errmsg != (const char *) NULL) |
2331 | as_bad (errmsg); | |
2332 | } | |
2333 | if ((operand->flags & PPC_OPERAND_NEXT) != 0) | |
2334 | next_opindex = *opindex_ptr + 1; | |
2335 | continue; | |
2336 | } | |
2337 | ||
2338 | /* Gather the operand. */ | |
2339 | hold = input_line_pointer; | |
2340 | input_line_pointer = str; | |
2341 | ||
2342 | #ifdef TE_PE | |
81d4177b | 2343 | if (*input_line_pointer == '[') |
252b5132 RH |
2344 | { |
2345 | /* We are expecting something like the second argument here: | |
99a814a1 AM |
2346 | * |
2347 | * lwz r4,[toc].GS.0.static_int(rtoc) | |
2348 | * ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |
2349 | * The argument following the `]' must be a symbol name, and the | |
2350 | * register must be the toc register: 'rtoc' or '2' | |
2351 | * | |
2352 | * The effect is to 0 as the displacement field | |
2353 | * in the instruction, and issue an IMAGE_REL_PPC_TOCREL16 (or | |
2354 | * the appropriate variation) reloc against it based on the symbol. | |
2355 | * The linker will build the toc, and insert the resolved toc offset. | |
2356 | * | |
2357 | * Note: | |
2358 | * o The size of the toc entry is currently assumed to be | |
2359 | * 32 bits. This should not be assumed to be a hard coded | |
2360 | * number. | |
2361 | * o In an effort to cope with a change from 32 to 64 bits, | |
2362 | * there are also toc entries that are specified to be | |
2363 | * either 32 or 64 bits: | |
2364 | * lwz r4,[toc32].GS.0.static_int(rtoc) | |
2365 | * lwz r4,[toc64].GS.0.static_int(rtoc) | |
2366 | * These demand toc entries of the specified size, and the | |
2367 | * instruction probably requires it. | |
2368 | */ | |
252b5132 RH |
2369 | |
2370 | int valid_toc; | |
2371 | enum toc_size_qualifier toc_kind; | |
2372 | bfd_reloc_code_real_type toc_reloc; | |
2373 | ||
99a814a1 AM |
2374 | /* Go parse off the [tocXX] part. */ |
2375 | valid_toc = parse_toc_entry (&toc_kind); | |
252b5132 | 2376 | |
81d4177b | 2377 | if (!valid_toc) |
252b5132 | 2378 | { |
99a814a1 AM |
2379 | /* Note: message has already been issued. |
2380 | FIXME: what sort of recovery should we do? | |
2381 | demand_rest_of_line (); return; ? */ | |
252b5132 RH |
2382 | } |
2383 | ||
99a814a1 AM |
2384 | /* Now get the symbol following the ']'. */ |
2385 | expression (&ex); | |
252b5132 RH |
2386 | |
2387 | switch (toc_kind) | |
2388 | { | |
2389 | case default_toc: | |
99a814a1 AM |
2390 | /* In this case, we may not have seen the symbol yet, |
2391 | since it is allowed to appear on a .extern or .globl | |
2392 | or just be a label in the .data section. */ | |
252b5132 RH |
2393 | toc_reloc = BFD_RELOC_PPC_TOC16; |
2394 | break; | |
2395 | case data_in_toc: | |
99a814a1 AM |
2396 | /* 1. The symbol must be defined and either in the toc |
2397 | section, or a global. | |
2398 | 2. The reloc generated must have the TOCDEFN flag set | |
2399 | in upper bit mess of the reloc type. | |
2400 | FIXME: It's a little confusing what the tocv | |
2401 | qualifier can be used for. At the very least, I've | |
2402 | seen three uses, only one of which I'm sure I can | |
2403 | explain. */ | |
81d4177b KH |
2404 | if (ex.X_op == O_symbol) |
2405 | { | |
252b5132 | 2406 | assert (ex.X_add_symbol != NULL); |
fed9b18a ILT |
2407 | if (symbol_get_bfdsym (ex.X_add_symbol)->section |
2408 | != tocdata_section) | |
252b5132 | 2409 | { |
99a814a1 | 2410 | as_bad (_("[tocv] symbol is not a toc symbol")); |
252b5132 RH |
2411 | } |
2412 | } | |
2413 | ||
2414 | toc_reloc = BFD_RELOC_PPC_TOC16; | |
2415 | break; | |
2416 | case must_be_32: | |
99a814a1 AM |
2417 | /* FIXME: these next two specifically specify 32/64 bit |
2418 | toc entries. We don't support them today. Is this | |
2419 | the right way to say that? */ | |
252b5132 RH |
2420 | toc_reloc = BFD_RELOC_UNUSED; |
2421 | as_bad (_("Unimplemented toc32 expression modifier")); | |
2422 | break; | |
2423 | case must_be_64: | |
99a814a1 | 2424 | /* FIXME: see above. */ |
252b5132 RH |
2425 | toc_reloc = BFD_RELOC_UNUSED; |
2426 | as_bad (_("Unimplemented toc64 expression modifier")); | |
2427 | break; | |
2428 | default: | |
bc805888 | 2429 | fprintf (stderr, |
99a814a1 AM |
2430 | _("Unexpected return value [%d] from parse_toc_entry!\n"), |
2431 | toc_kind); | |
bc805888 | 2432 | abort (); |
252b5132 RH |
2433 | break; |
2434 | } | |
2435 | ||
2436 | /* We need to generate a fixup for this expression. */ | |
2437 | if (fc >= MAX_INSN_FIXUPS) | |
2438 | as_fatal (_("too many fixups")); | |
2439 | ||
2440 | fixups[fc].reloc = toc_reloc; | |
2441 | fixups[fc].exp = ex; | |
2442 | fixups[fc].opindex = *opindex_ptr; | |
2443 | ++fc; | |
2444 | ||
99a814a1 AM |
2445 | /* Ok. We've set up the fixup for the instruction. Now make it |
2446 | look like the constant 0 was found here. */ | |
252b5132 RH |
2447 | ex.X_unsigned = 1; |
2448 | ex.X_op = O_constant; | |
2449 | ex.X_add_number = 0; | |
2450 | ex.X_add_symbol = NULL; | |
2451 | ex.X_op_symbol = NULL; | |
2452 | } | |
2453 | ||
2454 | else | |
2455 | #endif /* TE_PE */ | |
2456 | { | |
2ad068be AM |
2457 | if ((reg_names_p && (operand->flags & PPC_OPERAND_CR) != 0) |
2458 | || !register_name (&ex)) | |
252b5132 | 2459 | { |
13abbae3 AM |
2460 | char save_lex = lex_type['%']; |
2461 | ||
252b5132 | 2462 | if ((operand->flags & PPC_OPERAND_CR) != 0) |
13abbae3 AM |
2463 | { |
2464 | cr_operand = TRUE; | |
2465 | lex_type['%'] |= LEX_BEGIN_NAME; | |
2466 | } | |
252b5132 | 2467 | expression (&ex); |
b34976b6 | 2468 | cr_operand = FALSE; |
13abbae3 | 2469 | lex_type['%'] = save_lex; |
252b5132 RH |
2470 | } |
2471 | } | |
2472 | ||
2473 | str = input_line_pointer; | |
2474 | input_line_pointer = hold; | |
2475 | ||
2476 | if (ex.X_op == O_illegal) | |
2477 | as_bad (_("illegal operand")); | |
2478 | else if (ex.X_op == O_absent) | |
2479 | as_bad (_("missing operand")); | |
2480 | else if (ex.X_op == O_register) | |
2481 | { | |
2482 | insn = ppc_insert_operand (insn, operand, ex.X_add_number, | |
2483 | (char *) NULL, 0); | |
2484 | } | |
2485 | else if (ex.X_op == O_constant) | |
2486 | { | |
2487 | #ifdef OBJ_ELF | |
81d4177b | 2488 | /* Allow @HA, @L, @H on constants. */ |
252b5132 RH |
2489 | char *orig_str = str; |
2490 | ||
2491 | if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED) | |
2492 | switch (reloc) | |
2493 | { | |
2494 | default: | |
2495 | str = orig_str; | |
2496 | break; | |
2497 | ||
2498 | case BFD_RELOC_LO16: | |
2499 | /* X_unsigned is the default, so if the user has done | |
0baf16f2 AM |
2500 | something which cleared it, we always produce a |
2501 | signed value. */ | |
2502 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
252b5132 RH |
2503 | ex.X_add_number &= 0xffff; |
2504 | else | |
0baf16f2 | 2505 | ex.X_add_number = SEX16 (ex.X_add_number); |
252b5132 RH |
2506 | break; |
2507 | ||
2508 | case BFD_RELOC_HI16: | |
0baf16f2 AM |
2509 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) |
2510 | ex.X_add_number = PPC_HI (ex.X_add_number); | |
2511 | else | |
2512 | ex.X_add_number = SEX16 (PPC_HI (ex.X_add_number)); | |
252b5132 RH |
2513 | break; |
2514 | ||
2515 | case BFD_RELOC_HI16_S: | |
0baf16f2 AM |
2516 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) |
2517 | ex.X_add_number = PPC_HA (ex.X_add_number); | |
2518 | else | |
2519 | ex.X_add_number = SEX16 (PPC_HA (ex.X_add_number)); | |
2520 | break; | |
2521 | ||
0baf16f2 AM |
2522 | case BFD_RELOC_PPC64_HIGHER: |
2523 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2524 | ex.X_add_number = PPC_HIGHER (ex.X_add_number); | |
2525 | else | |
2526 | ex.X_add_number = SEX16 (PPC_HIGHER (ex.X_add_number)); | |
2527 | break; | |
2528 | ||
2529 | case BFD_RELOC_PPC64_HIGHER_S: | |
2530 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2531 | ex.X_add_number = PPC_HIGHERA (ex.X_add_number); | |
2532 | else | |
2533 | ex.X_add_number = SEX16 (PPC_HIGHERA (ex.X_add_number)); | |
252b5132 | 2534 | break; |
0baf16f2 AM |
2535 | |
2536 | case BFD_RELOC_PPC64_HIGHEST: | |
2537 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2538 | ex.X_add_number = PPC_HIGHEST (ex.X_add_number); | |
2539 | else | |
2540 | ex.X_add_number = SEX16 (PPC_HIGHEST (ex.X_add_number)); | |
2541 | break; | |
2542 | ||
2543 | case BFD_RELOC_PPC64_HIGHEST_S: | |
2544 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2545 | ex.X_add_number = PPC_HIGHESTA (ex.X_add_number); | |
2546 | else | |
2547 | ex.X_add_number = SEX16 (PPC_HIGHESTA (ex.X_add_number)); | |
2548 | break; | |
252b5132 | 2549 | } |
0baf16f2 | 2550 | #endif /* OBJ_ELF */ |
252b5132 RH |
2551 | insn = ppc_insert_operand (insn, operand, ex.X_add_number, |
2552 | (char *) NULL, 0); | |
2553 | } | |
2554 | #ifdef OBJ_ELF | |
2555 | else if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED) | |
2556 | { | |
cdba85ec AM |
2557 | /* Some TLS tweaks. */ |
2558 | switch (reloc) | |
2559 | { | |
2560 | default: | |
2561 | break; | |
2562 | case BFD_RELOC_PPC_TLS: | |
2563 | insn = ppc_insert_operand (insn, operand, ppc_obj64 ? 13 : 2, | |
2564 | (char *) NULL, 0); | |
2565 | break; | |
2566 | /* We'll only use the 32 (or 64) bit form of these relocations | |
2567 | in constants. Instructions get the 16 bit form. */ | |
2568 | case BFD_RELOC_PPC_DTPREL: | |
2569 | reloc = BFD_RELOC_PPC_DTPREL16; | |
2570 | break; | |
2571 | case BFD_RELOC_PPC_TPREL: | |
2572 | reloc = BFD_RELOC_PPC_TPREL16; | |
2573 | break; | |
2574 | } | |
2575 | ||
99a814a1 AM |
2576 | /* For the absolute forms of branches, convert the PC |
2577 | relative form back into the absolute. */ | |
252b5132 RH |
2578 | if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0) |
2579 | { | |
2580 | switch (reloc) | |
2581 | { | |
2582 | case BFD_RELOC_PPC_B26: | |
2583 | reloc = BFD_RELOC_PPC_BA26; | |
2584 | break; | |
2585 | case BFD_RELOC_PPC_B16: | |
2586 | reloc = BFD_RELOC_PPC_BA16; | |
2587 | break; | |
2588 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
2589 | reloc = BFD_RELOC_PPC_BA16_BRTAKEN; | |
2590 | break; | |
2591 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
2592 | reloc = BFD_RELOC_PPC_BA16_BRNTAKEN; | |
2593 | break; | |
2594 | default: | |
2595 | break; | |
2596 | } | |
2597 | } | |
2598 | ||
2b3c4602 | 2599 | if (ppc_obj64 |
adadcc0c | 2600 | && (operand->flags & (PPC_OPERAND_DS | PPC_OPERAND_DQ)) != 0) |
0baf16f2 AM |
2601 | { |
2602 | switch (reloc) | |
2603 | { | |
2604 | case BFD_RELOC_16: | |
2605 | reloc = BFD_RELOC_PPC64_ADDR16_DS; | |
2606 | break; | |
2607 | case BFD_RELOC_LO16: | |
2608 | reloc = BFD_RELOC_PPC64_ADDR16_LO_DS; | |
2609 | break; | |
2610 | case BFD_RELOC_16_GOTOFF: | |
2611 | reloc = BFD_RELOC_PPC64_GOT16_DS; | |
2612 | break; | |
2613 | case BFD_RELOC_LO16_GOTOFF: | |
2614 | reloc = BFD_RELOC_PPC64_GOT16_LO_DS; | |
2615 | break; | |
2616 | case BFD_RELOC_LO16_PLTOFF: | |
2617 | reloc = BFD_RELOC_PPC64_PLT16_LO_DS; | |
2618 | break; | |
1cfc59d5 | 2619 | case BFD_RELOC_16_BASEREL: |
0baf16f2 AM |
2620 | reloc = BFD_RELOC_PPC64_SECTOFF_DS; |
2621 | break; | |
2622 | case BFD_RELOC_LO16_BASEREL: | |
2623 | reloc = BFD_RELOC_PPC64_SECTOFF_LO_DS; | |
2624 | break; | |
2625 | case BFD_RELOC_PPC_TOC16: | |
2626 | reloc = BFD_RELOC_PPC64_TOC16_DS; | |
2627 | break; | |
2628 | case BFD_RELOC_PPC64_TOC16_LO: | |
2629 | reloc = BFD_RELOC_PPC64_TOC16_LO_DS; | |
2630 | break; | |
2631 | case BFD_RELOC_PPC64_PLTGOT16: | |
2632 | reloc = BFD_RELOC_PPC64_PLTGOT16_DS; | |
2633 | break; | |
2634 | case BFD_RELOC_PPC64_PLTGOT16_LO: | |
2635 | reloc = BFD_RELOC_PPC64_PLTGOT16_LO_DS; | |
2636 | break; | |
cdba85ec AM |
2637 | case BFD_RELOC_PPC_DTPREL16: |
2638 | reloc = BFD_RELOC_PPC64_DTPREL16_DS; | |
2639 | break; | |
2640 | case BFD_RELOC_PPC_DTPREL16_LO: | |
2641 | reloc = BFD_RELOC_PPC64_DTPREL16_LO_DS; | |
2642 | break; | |
2643 | case BFD_RELOC_PPC_TPREL16: | |
2644 | reloc = BFD_RELOC_PPC64_TPREL16_DS; | |
2645 | break; | |
2646 | case BFD_RELOC_PPC_TPREL16_LO: | |
2647 | reloc = BFD_RELOC_PPC64_TPREL16_LO_DS; | |
2648 | break; | |
2649 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
2650 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
2651 | case BFD_RELOC_PPC_GOT_TPREL16: | |
2652 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
2653 | break; | |
0baf16f2 AM |
2654 | default: |
2655 | as_bad (_("unsupported relocation for DS offset field")); | |
2656 | break; | |
2657 | } | |
2658 | } | |
2659 | ||
252b5132 RH |
2660 | /* We need to generate a fixup for this expression. */ |
2661 | if (fc >= MAX_INSN_FIXUPS) | |
2662 | as_fatal (_("too many fixups")); | |
2663 | fixups[fc].exp = ex; | |
2664 | fixups[fc].opindex = 0; | |
2665 | fixups[fc].reloc = reloc; | |
2666 | ++fc; | |
2667 | } | |
2668 | #endif /* OBJ_ELF */ | |
2669 | ||
2670 | else | |
2671 | { | |
2672 | /* We need to generate a fixup for this expression. */ | |
2673 | if (fc >= MAX_INSN_FIXUPS) | |
2674 | as_fatal (_("too many fixups")); | |
2675 | fixups[fc].exp = ex; | |
2676 | fixups[fc].opindex = *opindex_ptr; | |
2677 | fixups[fc].reloc = BFD_RELOC_UNUSED; | |
2678 | ++fc; | |
2679 | } | |
2680 | ||
2681 | if (need_paren) | |
2682 | { | |
2683 | endc = ')'; | |
2684 | need_paren = 0; | |
c3d65c1c BE |
2685 | /* If expecting more operands, then we want to see "),". */ |
2686 | if (*str == endc && opindex_ptr[1] != 0) | |
2687 | { | |
2688 | do | |
2689 | ++str; | |
2690 | while (ISSPACE (*str)); | |
2691 | endc = ','; | |
2692 | } | |
252b5132 RH |
2693 | } |
2694 | else if ((operand->flags & PPC_OPERAND_PARENS) != 0) | |
2695 | { | |
2696 | endc = '('; | |
2697 | need_paren = 1; | |
2698 | } | |
2699 | else | |
2700 | endc = ','; | |
2701 | ||
2702 | /* The call to expression should have advanced str past any | |
2703 | whitespace. */ | |
2704 | if (*str != endc | |
2705 | && (endc != ',' || *str != '\0')) | |
2706 | { | |
2707 | as_bad (_("syntax error; found `%c' but expected `%c'"), *str, endc); | |
2708 | break; | |
2709 | } | |
2710 | ||
2711 | if (*str != '\0') | |
2712 | ++str; | |
2713 | } | |
2714 | ||
3882b010 | 2715 | while (ISSPACE (*str)) |
252b5132 RH |
2716 | ++str; |
2717 | ||
2718 | if (*str != '\0') | |
2719 | as_bad (_("junk at end of line: `%s'"), str); | |
2720 | ||
dc1d03fc | 2721 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
2722 | /* Do we need/want a APUinfo section? */ |
2723 | if (ppc_cpu & (PPC_OPCODE_SPE | |
2724 | | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | |
2725 | | PPC_OPCODE_BRLOCK | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | |
2726 | | PPC_OPCODE_RFMCI)) | |
2727 | { | |
2728 | /* These are all version "1". */ | |
2729 | if (opcode->flags & PPC_OPCODE_SPE) | |
b34976b6 | 2730 | ppc_apuinfo_section_add (PPC_APUINFO_SPE, 1); |
6a0c61b7 | 2731 | if (opcode->flags & PPC_OPCODE_ISEL) |
b34976b6 | 2732 | ppc_apuinfo_section_add (PPC_APUINFO_ISEL, 1); |
6a0c61b7 | 2733 | if (opcode->flags & PPC_OPCODE_EFS) |
b34976b6 | 2734 | ppc_apuinfo_section_add (PPC_APUINFO_EFS, 1); |
6a0c61b7 | 2735 | if (opcode->flags & PPC_OPCODE_BRLOCK) |
b34976b6 | 2736 | ppc_apuinfo_section_add (PPC_APUINFO_BRLOCK, 1); |
6a0c61b7 | 2737 | if (opcode->flags & PPC_OPCODE_PMR) |
b34976b6 | 2738 | ppc_apuinfo_section_add (PPC_APUINFO_PMR, 1); |
6a0c61b7 | 2739 | if (opcode->flags & PPC_OPCODE_CACHELCK) |
b34976b6 | 2740 | ppc_apuinfo_section_add (PPC_APUINFO_CACHELCK, 1); |
6a0c61b7 | 2741 | if (opcode->flags & PPC_OPCODE_RFMCI) |
b34976b6 | 2742 | ppc_apuinfo_section_add (PPC_APUINFO_RFMCI, 1); |
6a0c61b7 | 2743 | } |
dc1d03fc | 2744 | #endif |
6a0c61b7 | 2745 | |
252b5132 RH |
2746 | /* Write out the instruction. */ |
2747 | f = frag_more (4); | |
09b935ac AM |
2748 | addr_mod = frag_now_fix () & 3; |
2749 | if (frag_now->has_code && frag_now->insn_addr != addr_mod) | |
2750 | as_bad (_("instruction address is not a multiple of 4")); | |
2751 | frag_now->insn_addr = addr_mod; | |
2752 | frag_now->has_code = 1; | |
252b5132 RH |
2753 | md_number_to_chars (f, insn, 4); |
2754 | ||
5d6f4f16 GK |
2755 | #ifdef OBJ_ELF |
2756 | dwarf2_emit_insn (4); | |
2757 | #endif | |
2758 | ||
252b5132 RH |
2759 | /* Create any fixups. At this point we do not use a |
2760 | bfd_reloc_code_real_type, but instead just use the | |
2761 | BFD_RELOC_UNUSED plus the operand index. This lets us easily | |
2762 | handle fixups for any operand type, although that is admittedly | |
2763 | not a very exciting feature. We pick a BFD reloc type in | |
55cf6793 | 2764 | md_apply_fix. */ |
252b5132 RH |
2765 | for (i = 0; i < fc; i++) |
2766 | { | |
2767 | const struct powerpc_operand *operand; | |
2768 | ||
2769 | operand = &powerpc_operands[fixups[i].opindex]; | |
2770 | if (fixups[i].reloc != BFD_RELOC_UNUSED) | |
2771 | { | |
99a814a1 | 2772 | reloc_howto_type *reloc_howto; |
252b5132 RH |
2773 | int size; |
2774 | int offset; | |
2775 | fixS *fixP; | |
2776 | ||
99a814a1 | 2777 | reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc); |
252b5132 RH |
2778 | if (!reloc_howto) |
2779 | abort (); | |
2780 | ||
2781 | size = bfd_get_reloc_size (reloc_howto); | |
2782 | offset = target_big_endian ? (4 - size) : 0; | |
2783 | ||
2784 | if (size < 1 || size > 4) | |
bc805888 | 2785 | abort (); |
252b5132 | 2786 | |
99a814a1 AM |
2787 | fixP = fix_new_exp (frag_now, |
2788 | f - frag_now->fr_literal + offset, | |
2789 | size, | |
2790 | &fixups[i].exp, | |
2791 | reloc_howto->pc_relative, | |
252b5132 RH |
2792 | fixups[i].reloc); |
2793 | ||
2794 | /* Turn off complaints that the addend is too large for things like | |
2795 | foo+100000@ha. */ | |
2796 | switch (fixups[i].reloc) | |
2797 | { | |
2798 | case BFD_RELOC_16_GOTOFF: | |
2799 | case BFD_RELOC_PPC_TOC16: | |
2800 | case BFD_RELOC_LO16: | |
2801 | case BFD_RELOC_HI16: | |
2802 | case BFD_RELOC_HI16_S: | |
0baf16f2 | 2803 | #ifdef OBJ_ELF |
0baf16f2 AM |
2804 | case BFD_RELOC_PPC64_HIGHER: |
2805 | case BFD_RELOC_PPC64_HIGHER_S: | |
2806 | case BFD_RELOC_PPC64_HIGHEST: | |
2807 | case BFD_RELOC_PPC64_HIGHEST_S: | |
0baf16f2 | 2808 | #endif |
252b5132 RH |
2809 | fixP->fx_no_overflow = 1; |
2810 | break; | |
2811 | default: | |
2812 | break; | |
2813 | } | |
2814 | } | |
2815 | else | |
99a814a1 AM |
2816 | fix_new_exp (frag_now, |
2817 | f - frag_now->fr_literal, | |
2818 | 4, | |
252b5132 RH |
2819 | &fixups[i].exp, |
2820 | (operand->flags & PPC_OPERAND_RELATIVE) != 0, | |
2821 | ((bfd_reloc_code_real_type) | |
99a814a1 | 2822 | (fixups[i].opindex + (int) BFD_RELOC_UNUSED))); |
252b5132 RH |
2823 | } |
2824 | } | |
2825 | ||
2826 | /* Handle a macro. Gather all the operands, transform them as | |
2827 | described by the macro, and call md_assemble recursively. All the | |
2828 | operands are separated by commas; we don't accept parentheses | |
2829 | around operands here. */ | |
2830 | ||
2831 | static void | |
98027b10 | 2832 | ppc_macro (char *str, const struct powerpc_macro *macro) |
252b5132 RH |
2833 | { |
2834 | char *operands[10]; | |
2835 | unsigned int count; | |
2836 | char *s; | |
2837 | unsigned int len; | |
2838 | const char *format; | |
db557034 | 2839 | unsigned int arg; |
252b5132 RH |
2840 | char *send; |
2841 | char *complete; | |
2842 | ||
2843 | /* Gather the users operands into the operands array. */ | |
2844 | count = 0; | |
2845 | s = str; | |
2846 | while (1) | |
2847 | { | |
2848 | if (count >= sizeof operands / sizeof operands[0]) | |
2849 | break; | |
2850 | operands[count++] = s; | |
2851 | s = strchr (s, ','); | |
2852 | if (s == (char *) NULL) | |
2853 | break; | |
2854 | *s++ = '\0'; | |
81d4177b | 2855 | } |
252b5132 RH |
2856 | |
2857 | if (count != macro->operands) | |
2858 | { | |
2859 | as_bad (_("wrong number of operands")); | |
2860 | return; | |
2861 | } | |
2862 | ||
2863 | /* Work out how large the string must be (the size is unbounded | |
2864 | because it includes user input). */ | |
2865 | len = 0; | |
2866 | format = macro->format; | |
2867 | while (*format != '\0') | |
2868 | { | |
2869 | if (*format != '%') | |
2870 | { | |
2871 | ++len; | |
2872 | ++format; | |
2873 | } | |
2874 | else | |
2875 | { | |
2876 | arg = strtol (format + 1, &send, 10); | |
db557034 | 2877 | know (send != format && arg < count); |
252b5132 RH |
2878 | len += strlen (operands[arg]); |
2879 | format = send; | |
2880 | } | |
2881 | } | |
2882 | ||
2883 | /* Put the string together. */ | |
2884 | complete = s = (char *) alloca (len + 1); | |
2885 | format = macro->format; | |
2886 | while (*format != '\0') | |
2887 | { | |
2888 | if (*format != '%') | |
2889 | *s++ = *format++; | |
2890 | else | |
2891 | { | |
2892 | arg = strtol (format + 1, &send, 10); | |
2893 | strcpy (s, operands[arg]); | |
2894 | s += strlen (s); | |
2895 | format = send; | |
2896 | } | |
2897 | } | |
2898 | *s = '\0'; | |
2899 | ||
2900 | /* Assemble the constructed instruction. */ | |
2901 | md_assemble (complete); | |
81d4177b | 2902 | } |
252b5132 RH |
2903 | \f |
2904 | #ifdef OBJ_ELF | |
99a814a1 | 2905 | /* For ELF, add support for SHF_EXCLUDE and SHT_ORDERED. */ |
252b5132 RH |
2906 | |
2907 | int | |
98027b10 | 2908 | ppc_section_letter (int letter, char **ptr_msg) |
252b5132 RH |
2909 | { |
2910 | if (letter == 'e') | |
2911 | return SHF_EXCLUDE; | |
2912 | ||
13ae64f3 | 2913 | *ptr_msg = _("Bad .section directive: want a,e,w,x,M,S,G,T in string"); |
711ef82f | 2914 | return -1; |
252b5132 RH |
2915 | } |
2916 | ||
2917 | int | |
98027b10 | 2918 | ppc_section_word (char *str, size_t len) |
252b5132 | 2919 | { |
9de8d8f1 RH |
2920 | if (len == 7 && strncmp (str, "exclude", 7) == 0) |
2921 | return SHF_EXCLUDE; | |
252b5132 | 2922 | |
9de8d8f1 | 2923 | return -1; |
252b5132 RH |
2924 | } |
2925 | ||
2926 | int | |
98027b10 | 2927 | ppc_section_type (char *str, size_t len) |
252b5132 | 2928 | { |
9de8d8f1 RH |
2929 | if (len == 7 && strncmp (str, "ordered", 7) == 0) |
2930 | return SHT_ORDERED; | |
252b5132 | 2931 | |
9de8d8f1 | 2932 | return -1; |
252b5132 RH |
2933 | } |
2934 | ||
2935 | int | |
98027b10 | 2936 | ppc_section_flags (int flags, int attr, int type) |
252b5132 RH |
2937 | { |
2938 | if (type == SHT_ORDERED) | |
2939 | flags |= SEC_ALLOC | SEC_LOAD | SEC_SORT_ENTRIES; | |
2940 | ||
2941 | if (attr & SHF_EXCLUDE) | |
2942 | flags |= SEC_EXCLUDE; | |
2943 | ||
2944 | return flags; | |
2945 | } | |
2946 | #endif /* OBJ_ELF */ | |
2947 | ||
2948 | \f | |
2949 | /* Pseudo-op handling. */ | |
2950 | ||
2951 | /* The .byte pseudo-op. This is similar to the normal .byte | |
2952 | pseudo-op, but it can also take a single ASCII string. */ | |
2953 | ||
2954 | static void | |
98027b10 | 2955 | ppc_byte (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
2956 | { |
2957 | if (*input_line_pointer != '\"') | |
2958 | { | |
2959 | cons (1); | |
2960 | return; | |
2961 | } | |
2962 | ||
2963 | /* Gather characters. A real double quote is doubled. Unusual | |
2964 | characters are not permitted. */ | |
2965 | ++input_line_pointer; | |
2966 | while (1) | |
2967 | { | |
2968 | char c; | |
2969 | ||
2970 | c = *input_line_pointer++; | |
2971 | ||
2972 | if (c == '\"') | |
2973 | { | |
2974 | if (*input_line_pointer != '\"') | |
2975 | break; | |
2976 | ++input_line_pointer; | |
2977 | } | |
2978 | ||
2979 | FRAG_APPEND_1_CHAR (c); | |
2980 | } | |
2981 | ||
2982 | demand_empty_rest_of_line (); | |
2983 | } | |
2984 | \f | |
2985 | #ifdef OBJ_XCOFF | |
2986 | ||
2987 | /* XCOFF specific pseudo-op handling. */ | |
2988 | ||
2989 | /* This is set if we are creating a .stabx symbol, since we don't want | |
2990 | to handle symbol suffixes for such symbols. */ | |
b34976b6 | 2991 | static bfd_boolean ppc_stab_symbol; |
252b5132 RH |
2992 | |
2993 | /* The .comm and .lcomm pseudo-ops for XCOFF. XCOFF puts common | |
2994 | symbols in the .bss segment as though they were local common | |
67c1ffbe | 2995 | symbols, and uses a different smclas. The native Aix 4.3.3 assembler |
1ad63b2f | 2996 | aligns .comm and .lcomm to 4 bytes. */ |
252b5132 RH |
2997 | |
2998 | static void | |
98027b10 | 2999 | ppc_comm (int lcomm) |
252b5132 RH |
3000 | { |
3001 | asection *current_seg = now_seg; | |
3002 | subsegT current_subseg = now_subseg; | |
3003 | char *name; | |
3004 | char endc; | |
3005 | char *end_name; | |
3006 | offsetT size; | |
3007 | offsetT align; | |
3008 | symbolS *lcomm_sym = NULL; | |
3009 | symbolS *sym; | |
3010 | char *pfrag; | |
3011 | ||
3012 | name = input_line_pointer; | |
3013 | endc = get_symbol_end (); | |
3014 | end_name = input_line_pointer; | |
3015 | *end_name = endc; | |
3016 | ||
3017 | if (*input_line_pointer != ',') | |
3018 | { | |
3019 | as_bad (_("missing size")); | |
3020 | ignore_rest_of_line (); | |
3021 | return; | |
3022 | } | |
3023 | ++input_line_pointer; | |
3024 | ||
3025 | size = get_absolute_expression (); | |
3026 | if (size < 0) | |
3027 | { | |
3028 | as_bad (_("negative size")); | |
3029 | ignore_rest_of_line (); | |
3030 | return; | |
3031 | } | |
3032 | ||
3033 | if (! lcomm) | |
3034 | { | |
3035 | /* The third argument to .comm is the alignment. */ | |
3036 | if (*input_line_pointer != ',') | |
1ad63b2f | 3037 | align = 2; |
252b5132 RH |
3038 | else |
3039 | { | |
3040 | ++input_line_pointer; | |
3041 | align = get_absolute_expression (); | |
3042 | if (align <= 0) | |
3043 | { | |
3044 | as_warn (_("ignoring bad alignment")); | |
1ad63b2f | 3045 | align = 2; |
252b5132 RH |
3046 | } |
3047 | } | |
3048 | } | |
3049 | else | |
3050 | { | |
3051 | char *lcomm_name; | |
3052 | char lcomm_endc; | |
3053 | ||
1ad63b2f | 3054 | if (size <= 4) |
252b5132 RH |
3055 | align = 2; |
3056 | else | |
3057 | align = 3; | |
3058 | ||
3059 | /* The third argument to .lcomm appears to be the real local | |
3060 | common symbol to create. References to the symbol named in | |
3061 | the first argument are turned into references to the third | |
3062 | argument. */ | |
3063 | if (*input_line_pointer != ',') | |
3064 | { | |
3065 | as_bad (_("missing real symbol name")); | |
3066 | ignore_rest_of_line (); | |
3067 | return; | |
3068 | } | |
3069 | ++input_line_pointer; | |
3070 | ||
3071 | lcomm_name = input_line_pointer; | |
3072 | lcomm_endc = get_symbol_end (); | |
81d4177b | 3073 | |
252b5132 RH |
3074 | lcomm_sym = symbol_find_or_make (lcomm_name); |
3075 | ||
3076 | *input_line_pointer = lcomm_endc; | |
3077 | } | |
3078 | ||
3079 | *end_name = '\0'; | |
3080 | sym = symbol_find_or_make (name); | |
3081 | *end_name = endc; | |
3082 | ||
3083 | if (S_IS_DEFINED (sym) | |
3084 | || S_GET_VALUE (sym) != 0) | |
3085 | { | |
3086 | as_bad (_("attempt to redefine symbol")); | |
3087 | ignore_rest_of_line (); | |
3088 | return; | |
3089 | } | |
81d4177b | 3090 | |
252b5132 | 3091 | record_alignment (bss_section, align); |
81d4177b | 3092 | |
252b5132 RH |
3093 | if (! lcomm |
3094 | || ! S_IS_DEFINED (lcomm_sym)) | |
3095 | { | |
3096 | symbolS *def_sym; | |
3097 | offsetT def_size; | |
3098 | ||
3099 | if (! lcomm) | |
3100 | { | |
3101 | def_sym = sym; | |
3102 | def_size = size; | |
3103 | S_SET_EXTERNAL (sym); | |
3104 | } | |
3105 | else | |
3106 | { | |
809ffe0d | 3107 | symbol_get_tc (lcomm_sym)->output = 1; |
252b5132 RH |
3108 | def_sym = lcomm_sym; |
3109 | def_size = 0; | |
3110 | } | |
3111 | ||
3112 | subseg_set (bss_section, 1); | |
3113 | frag_align (align, 0, 0); | |
81d4177b | 3114 | |
809ffe0d | 3115 | symbol_set_frag (def_sym, frag_now); |
252b5132 RH |
3116 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, def_sym, |
3117 | def_size, (char *) NULL); | |
3118 | *pfrag = 0; | |
3119 | S_SET_SEGMENT (def_sym, bss_section); | |
809ffe0d | 3120 | symbol_get_tc (def_sym)->align = align; |
252b5132 RH |
3121 | } |
3122 | else if (lcomm) | |
3123 | { | |
3124 | /* Align the size of lcomm_sym. */ | |
809ffe0d ILT |
3125 | symbol_get_frag (lcomm_sym)->fr_offset = |
3126 | ((symbol_get_frag (lcomm_sym)->fr_offset + (1 << align) - 1) | |
252b5132 | 3127 | &~ ((1 << align) - 1)); |
809ffe0d ILT |
3128 | if (align > symbol_get_tc (lcomm_sym)->align) |
3129 | symbol_get_tc (lcomm_sym)->align = align; | |
252b5132 RH |
3130 | } |
3131 | ||
3132 | if (lcomm) | |
3133 | { | |
3134 | /* Make sym an offset from lcomm_sym. */ | |
3135 | S_SET_SEGMENT (sym, bss_section); | |
809ffe0d ILT |
3136 | symbol_set_frag (sym, symbol_get_frag (lcomm_sym)); |
3137 | S_SET_VALUE (sym, symbol_get_frag (lcomm_sym)->fr_offset); | |
3138 | symbol_get_frag (lcomm_sym)->fr_offset += size; | |
252b5132 RH |
3139 | } |
3140 | ||
3141 | subseg_set (current_seg, current_subseg); | |
3142 | ||
3143 | demand_empty_rest_of_line (); | |
3144 | } | |
3145 | ||
3146 | /* The .csect pseudo-op. This switches us into a different | |
3147 | subsegment. The first argument is a symbol whose value is the | |
3148 | start of the .csect. In COFF, csect symbols get special aux | |
3149 | entries defined by the x_csect field of union internal_auxent. The | |
3150 | optional second argument is the alignment (the default is 2). */ | |
3151 | ||
3152 | static void | |
98027b10 | 3153 | ppc_csect (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3154 | { |
3155 | char *name; | |
3156 | char endc; | |
3157 | symbolS *sym; | |
931e13a6 | 3158 | offsetT align; |
252b5132 RH |
3159 | |
3160 | name = input_line_pointer; | |
3161 | endc = get_symbol_end (); | |
81d4177b | 3162 | |
252b5132 RH |
3163 | sym = symbol_find_or_make (name); |
3164 | ||
3165 | *input_line_pointer = endc; | |
3166 | ||
3167 | if (S_GET_NAME (sym)[0] == '\0') | |
3168 | { | |
3169 | /* An unnamed csect is assumed to be [PR]. */ | |
809ffe0d | 3170 | symbol_get_tc (sym)->class = XMC_PR; |
252b5132 RH |
3171 | } |
3172 | ||
931e13a6 | 3173 | align = 2; |
252b5132 RH |
3174 | if (*input_line_pointer == ',') |
3175 | { | |
3176 | ++input_line_pointer; | |
931e13a6 | 3177 | align = get_absolute_expression (); |
252b5132 RH |
3178 | } |
3179 | ||
931e13a6 AM |
3180 | ppc_change_csect (sym, align); |
3181 | ||
252b5132 RH |
3182 | demand_empty_rest_of_line (); |
3183 | } | |
3184 | ||
3185 | /* Change to a different csect. */ | |
3186 | ||
3187 | static void | |
98027b10 | 3188 | ppc_change_csect (symbolS *sym, offsetT align) |
252b5132 RH |
3189 | { |
3190 | if (S_IS_DEFINED (sym)) | |
809ffe0d | 3191 | subseg_set (S_GET_SEGMENT (sym), symbol_get_tc (sym)->subseg); |
252b5132 RH |
3192 | else |
3193 | { | |
3194 | symbolS **list_ptr; | |
3195 | int after_toc; | |
3196 | int hold_chunksize; | |
3197 | symbolS *list; | |
931e13a6 AM |
3198 | int is_code; |
3199 | segT sec; | |
252b5132 RH |
3200 | |
3201 | /* This is a new csect. We need to look at the symbol class to | |
3202 | figure out whether it should go in the text section or the | |
3203 | data section. */ | |
3204 | after_toc = 0; | |
931e13a6 | 3205 | is_code = 0; |
809ffe0d | 3206 | switch (symbol_get_tc (sym)->class) |
252b5132 RH |
3207 | { |
3208 | case XMC_PR: | |
3209 | case XMC_RO: | |
3210 | case XMC_DB: | |
3211 | case XMC_GL: | |
3212 | case XMC_XO: | |
3213 | case XMC_SV: | |
3214 | case XMC_TI: | |
3215 | case XMC_TB: | |
3216 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3217 | symbol_get_tc (sym)->subseg = ppc_text_subsegment; |
252b5132 RH |
3218 | ++ppc_text_subsegment; |
3219 | list_ptr = &ppc_text_csects; | |
931e13a6 | 3220 | is_code = 1; |
252b5132 RH |
3221 | break; |
3222 | case XMC_RW: | |
3223 | case XMC_TC0: | |
3224 | case XMC_TC: | |
3225 | case XMC_DS: | |
3226 | case XMC_UA: | |
3227 | case XMC_BS: | |
3228 | case XMC_UC: | |
3229 | if (ppc_toc_csect != NULL | |
809ffe0d ILT |
3230 | && (symbol_get_tc (ppc_toc_csect)->subseg + 1 |
3231 | == ppc_data_subsegment)) | |
252b5132 RH |
3232 | after_toc = 1; |
3233 | S_SET_SEGMENT (sym, data_section); | |
809ffe0d | 3234 | symbol_get_tc (sym)->subseg = ppc_data_subsegment; |
252b5132 RH |
3235 | ++ppc_data_subsegment; |
3236 | list_ptr = &ppc_data_csects; | |
3237 | break; | |
3238 | default: | |
3239 | abort (); | |
3240 | } | |
3241 | ||
3242 | /* We set the obstack chunk size to a small value before | |
99a814a1 AM |
3243 | changing subsegments, so that we don't use a lot of memory |
3244 | space for what may be a small section. */ | |
252b5132 RH |
3245 | hold_chunksize = chunksize; |
3246 | chunksize = 64; | |
3247 | ||
931e13a6 AM |
3248 | sec = subseg_new (segment_name (S_GET_SEGMENT (sym)), |
3249 | symbol_get_tc (sym)->subseg); | |
252b5132 RH |
3250 | |
3251 | chunksize = hold_chunksize; | |
3252 | ||
3253 | if (after_toc) | |
3254 | ppc_after_toc_frag = frag_now; | |
3255 | ||
931e13a6 AM |
3256 | record_alignment (sec, align); |
3257 | if (is_code) | |
3258 | frag_align_code (align, 0); | |
3259 | else | |
3260 | frag_align (align, 0, 0); | |
3261 | ||
809ffe0d | 3262 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3263 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); |
3264 | ||
931e13a6 | 3265 | symbol_get_tc (sym)->align = align; |
809ffe0d ILT |
3266 | symbol_get_tc (sym)->output = 1; |
3267 | symbol_get_tc (sym)->within = sym; | |
81d4177b | 3268 | |
252b5132 | 3269 | for (list = *list_ptr; |
809ffe0d ILT |
3270 | symbol_get_tc (list)->next != (symbolS *) NULL; |
3271 | list = symbol_get_tc (list)->next) | |
252b5132 | 3272 | ; |
809ffe0d | 3273 | symbol_get_tc (list)->next = sym; |
81d4177b | 3274 | |
252b5132 | 3275 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); |
809ffe0d ILT |
3276 | symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP, |
3277 | &symbol_lastP); | |
252b5132 RH |
3278 | } |
3279 | ||
3280 | ppc_current_csect = sym; | |
3281 | } | |
3282 | ||
3283 | /* This function handles the .text and .data pseudo-ops. These | |
3284 | pseudo-ops aren't really used by XCOFF; we implement them for the | |
3285 | convenience of people who aren't used to XCOFF. */ | |
3286 | ||
3287 | static void | |
98027b10 | 3288 | ppc_section (int type) |
252b5132 RH |
3289 | { |
3290 | const char *name; | |
3291 | symbolS *sym; | |
3292 | ||
3293 | if (type == 't') | |
3294 | name = ".text[PR]"; | |
3295 | else if (type == 'd') | |
3296 | name = ".data[RW]"; | |
3297 | else | |
3298 | abort (); | |
3299 | ||
3300 | sym = symbol_find_or_make (name); | |
3301 | ||
931e13a6 | 3302 | ppc_change_csect (sym, 2); |
252b5132 RH |
3303 | |
3304 | demand_empty_rest_of_line (); | |
3305 | } | |
3306 | ||
3307 | /* This function handles the .section pseudo-op. This is mostly to | |
3308 | give an error, since XCOFF only supports .text, .data and .bss, but | |
3309 | we do permit the user to name the text or data section. */ | |
3310 | ||
3311 | static void | |
98027b10 | 3312 | ppc_named_section (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3313 | { |
3314 | char *user_name; | |
3315 | const char *real_name; | |
3316 | char c; | |
3317 | symbolS *sym; | |
3318 | ||
3319 | user_name = input_line_pointer; | |
3320 | c = get_symbol_end (); | |
3321 | ||
3322 | if (strcmp (user_name, ".text") == 0) | |
3323 | real_name = ".text[PR]"; | |
3324 | else if (strcmp (user_name, ".data") == 0) | |
3325 | real_name = ".data[RW]"; | |
3326 | else | |
3327 | { | |
3328 | as_bad (_("The XCOFF file format does not support arbitrary sections")); | |
3329 | *input_line_pointer = c; | |
3330 | ignore_rest_of_line (); | |
3331 | return; | |
3332 | } | |
3333 | ||
3334 | *input_line_pointer = c; | |
3335 | ||
3336 | sym = symbol_find_or_make (real_name); | |
3337 | ||
931e13a6 | 3338 | ppc_change_csect (sym, 2); |
252b5132 RH |
3339 | |
3340 | demand_empty_rest_of_line (); | |
3341 | } | |
3342 | ||
3343 | /* The .extern pseudo-op. We create an undefined symbol. */ | |
3344 | ||
3345 | static void | |
98027b10 | 3346 | ppc_extern (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3347 | { |
3348 | char *name; | |
3349 | char endc; | |
3350 | ||
3351 | name = input_line_pointer; | |
3352 | endc = get_symbol_end (); | |
3353 | ||
3354 | (void) symbol_find_or_make (name); | |
3355 | ||
3356 | *input_line_pointer = endc; | |
3357 | ||
3358 | demand_empty_rest_of_line (); | |
3359 | } | |
3360 | ||
3361 | /* The .lglobl pseudo-op. Keep the symbol in the symbol table. */ | |
3362 | ||
3363 | static void | |
98027b10 | 3364 | ppc_lglobl (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3365 | { |
3366 | char *name; | |
3367 | char endc; | |
3368 | symbolS *sym; | |
3369 | ||
3370 | name = input_line_pointer; | |
3371 | endc = get_symbol_end (); | |
3372 | ||
3373 | sym = symbol_find_or_make (name); | |
3374 | ||
3375 | *input_line_pointer = endc; | |
3376 | ||
809ffe0d | 3377 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3378 | |
3379 | demand_empty_rest_of_line (); | |
3380 | } | |
3381 | ||
3382 | /* The .rename pseudo-op. The RS/6000 assembler can rename symbols, | |
3383 | although I don't know why it bothers. */ | |
3384 | ||
3385 | static void | |
98027b10 | 3386 | ppc_rename (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3387 | { |
3388 | char *name; | |
3389 | char endc; | |
3390 | symbolS *sym; | |
3391 | int len; | |
3392 | ||
3393 | name = input_line_pointer; | |
3394 | endc = get_symbol_end (); | |
3395 | ||
3396 | sym = symbol_find_or_make (name); | |
3397 | ||
3398 | *input_line_pointer = endc; | |
3399 | ||
3400 | if (*input_line_pointer != ',') | |
3401 | { | |
3402 | as_bad (_("missing rename string")); | |
3403 | ignore_rest_of_line (); | |
3404 | return; | |
3405 | } | |
3406 | ++input_line_pointer; | |
3407 | ||
809ffe0d | 3408 | symbol_get_tc (sym)->real_name = demand_copy_C_string (&len); |
252b5132 RH |
3409 | |
3410 | demand_empty_rest_of_line (); | |
3411 | } | |
3412 | ||
3413 | /* The .stabx pseudo-op. This is similar to a normal .stabs | |
3414 | pseudo-op, but slightly different. A sample is | |
3415 | .stabx "main:F-1",.main,142,0 | |
3416 | The first argument is the symbol name to create. The second is the | |
3417 | value, and the third is the storage class. The fourth seems to be | |
3418 | always zero, and I am assuming it is the type. */ | |
3419 | ||
3420 | static void | |
98027b10 | 3421 | ppc_stabx (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 | |
98027b10 | 3547 | ppc_function (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3548 | { |
3549 | char *name; | |
3550 | char endc; | |
3551 | char *s; | |
3552 | symbolS *ext_sym; | |
3553 | symbolS *lab_sym; | |
3554 | ||
3555 | name = input_line_pointer; | |
3556 | endc = get_symbol_end (); | |
3557 | ||
3558 | /* Ignore any [PR] suffix. */ | |
3559 | name = ppc_canonicalize_symbol_name (name); | |
3560 | s = strchr (name, '['); | |
3561 | if (s != (char *) NULL | |
3562 | && strcmp (s + 1, "PR]") == 0) | |
3563 | *s = '\0'; | |
3564 | ||
3565 | ext_sym = symbol_find_or_make (name); | |
3566 | ||
3567 | *input_line_pointer = endc; | |
3568 | ||
3569 | if (*input_line_pointer != ',') | |
3570 | { | |
3571 | as_bad (_("missing symbol name")); | |
3572 | ignore_rest_of_line (); | |
3573 | return; | |
3574 | } | |
3575 | ++input_line_pointer; | |
3576 | ||
3577 | name = input_line_pointer; | |
3578 | endc = get_symbol_end (); | |
3579 | ||
3580 | lab_sym = symbol_find_or_make (name); | |
3581 | ||
3582 | *input_line_pointer = endc; | |
3583 | ||
3584 | if (ext_sym != lab_sym) | |
3585 | { | |
809ffe0d ILT |
3586 | expressionS exp; |
3587 | ||
3588 | exp.X_op = O_symbol; | |
3589 | exp.X_add_symbol = lab_sym; | |
3590 | exp.X_op_symbol = NULL; | |
3591 | exp.X_add_number = 0; | |
3592 | exp.X_unsigned = 0; | |
3593 | symbol_set_value_expression (ext_sym, &exp); | |
252b5132 RH |
3594 | } |
3595 | ||
809ffe0d ILT |
3596 | if (symbol_get_tc (ext_sym)->class == -1) |
3597 | symbol_get_tc (ext_sym)->class = XMC_PR; | |
3598 | symbol_get_tc (ext_sym)->output = 1; | |
252b5132 RH |
3599 | |
3600 | if (*input_line_pointer == ',') | |
3601 | { | |
3602 | expressionS ignore; | |
3603 | ||
3604 | /* Ignore the third argument. */ | |
3605 | ++input_line_pointer; | |
3606 | expression (&ignore); | |
3607 | if (*input_line_pointer == ',') | |
3608 | { | |
3609 | /* Ignore the fourth argument. */ | |
3610 | ++input_line_pointer; | |
3611 | expression (&ignore); | |
3612 | if (*input_line_pointer == ',') | |
3613 | { | |
3614 | /* The fifth argument is the function size. */ | |
3615 | ++input_line_pointer; | |
809ffe0d ILT |
3616 | symbol_get_tc (ext_sym)->size = symbol_new ("L0\001", |
3617 | absolute_section, | |
3618 | (valueT) 0, | |
3619 | &zero_address_frag); | |
3620 | pseudo_set (symbol_get_tc (ext_sym)->size); | |
252b5132 RH |
3621 | } |
3622 | } | |
3623 | } | |
3624 | ||
3625 | S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT); | |
3626 | SF_SET_FUNCTION (ext_sym); | |
3627 | SF_SET_PROCESS (ext_sym); | |
3628 | coff_add_linesym (ext_sym); | |
3629 | ||
3630 | demand_empty_rest_of_line (); | |
3631 | } | |
3632 | ||
3633 | /* The .bf pseudo-op. This is just like a COFF C_FCN symbol named | |
8642cce8 TR |
3634 | ".bf". If the pseudo op .bi was seen before .bf, patch the .bi sym |
3635 | with the correct line number */ | |
5d6255fe | 3636 | |
8642cce8 | 3637 | static symbolS *saved_bi_sym = 0; |
252b5132 RH |
3638 | |
3639 | static void | |
98027b10 | 3640 | ppc_bf (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3641 | { |
3642 | symbolS *sym; | |
3643 | ||
3644 | sym = symbol_make (".bf"); | |
3645 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3646 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3647 | S_SET_VALUE (sym, frag_now_fix ()); |
3648 | S_SET_STORAGE_CLASS (sym, C_FCN); | |
3649 | ||
3650 | coff_line_base = get_absolute_expression (); | |
3651 | ||
3652 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3653 | SA_SET_SYM_LNNO (sym, coff_line_base); | |
3654 | ||
8642cce8 | 3655 | /* Line number for bi. */ |
5d6255fe | 3656 | if (saved_bi_sym) |
8642cce8 TR |
3657 | { |
3658 | S_SET_VALUE (saved_bi_sym, coff_n_line_nos); | |
3659 | saved_bi_sym = 0; | |
3660 | } | |
5d6255fe | 3661 | |
8642cce8 | 3662 | |
809ffe0d | 3663 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3664 | |
3665 | ppc_frob_label (sym); | |
3666 | ||
3667 | demand_empty_rest_of_line (); | |
3668 | } | |
3669 | ||
3670 | /* The .ef pseudo-op. This is just like a COFF C_FCN symbol named | |
3671 | ".ef", except that the line number is absolute, not relative to the | |
3672 | most recent ".bf" symbol. */ | |
3673 | ||
3674 | static void | |
98027b10 | 3675 | ppc_ef (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3676 | { |
3677 | symbolS *sym; | |
3678 | ||
3679 | sym = symbol_make (".ef"); | |
3680 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3681 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3682 | S_SET_VALUE (sym, frag_now_fix ()); |
3683 | S_SET_STORAGE_CLASS (sym, C_FCN); | |
3684 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3685 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
809ffe0d | 3686 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3687 | |
3688 | ppc_frob_label (sym); | |
3689 | ||
3690 | demand_empty_rest_of_line (); | |
3691 | } | |
3692 | ||
3693 | /* The .bi and .ei pseudo-ops. These take a string argument and | |
3694 | generates a C_BINCL or C_EINCL symbol, which goes at the start of | |
8642cce8 TR |
3695 | the symbol list. The value of .bi will be know when the next .bf |
3696 | is encountered. */ | |
252b5132 RH |
3697 | |
3698 | static void | |
98027b10 | 3699 | ppc_biei (int ei) |
252b5132 RH |
3700 | { |
3701 | static symbolS *last_biei; | |
3702 | ||
3703 | char *name; | |
3704 | int len; | |
3705 | symbolS *sym; | |
3706 | symbolS *look; | |
3707 | ||
3708 | name = demand_copy_C_string (&len); | |
3709 | ||
3710 | /* The value of these symbols is actually file offset. Here we set | |
3711 | the value to the index into the line number entries. In | |
3712 | ppc_frob_symbols we set the fix_line field, which will cause BFD | |
3713 | to do the right thing. */ | |
3714 | ||
3715 | sym = symbol_make (name); | |
3716 | /* obj-coff.c currently only handles line numbers correctly in the | |
3717 | .text section. */ | |
3718 | S_SET_SEGMENT (sym, text_section); | |
3719 | S_SET_VALUE (sym, coff_n_line_nos); | |
809ffe0d | 3720 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3721 | |
3722 | S_SET_STORAGE_CLASS (sym, ei ? C_EINCL : C_BINCL); | |
809ffe0d | 3723 | symbol_get_tc (sym)->output = 1; |
81d4177b | 3724 | |
8642cce8 | 3725 | /* Save bi. */ |
5d6255fe | 3726 | if (ei) |
8642cce8 TR |
3727 | saved_bi_sym = 0; |
3728 | else | |
3729 | saved_bi_sym = sym; | |
3730 | ||
252b5132 RH |
3731 | for (look = last_biei ? last_biei : symbol_rootP; |
3732 | (look != (symbolS *) NULL | |
3733 | && (S_GET_STORAGE_CLASS (look) == C_FILE | |
3734 | || S_GET_STORAGE_CLASS (look) == C_BINCL | |
3735 | || S_GET_STORAGE_CLASS (look) == C_EINCL)); | |
3736 | look = symbol_next (look)) | |
3737 | ; | |
3738 | if (look != (symbolS *) NULL) | |
3739 | { | |
3740 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
3741 | symbol_insert (sym, look, &symbol_rootP, &symbol_lastP); | |
3742 | last_biei = sym; | |
3743 | } | |
3744 | ||
3745 | demand_empty_rest_of_line (); | |
3746 | } | |
3747 | ||
3748 | /* The .bs pseudo-op. This generates a C_BSTAT symbol named ".bs". | |
3749 | There is one argument, which is a csect symbol. The value of the | |
3750 | .bs symbol is the index of this csect symbol. */ | |
3751 | ||
3752 | static void | |
98027b10 | 3753 | ppc_bs (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3754 | { |
3755 | char *name; | |
3756 | char endc; | |
3757 | symbolS *csect; | |
3758 | symbolS *sym; | |
3759 | ||
3760 | if (ppc_current_block != NULL) | |
3761 | as_bad (_("nested .bs blocks")); | |
3762 | ||
3763 | name = input_line_pointer; | |
3764 | endc = get_symbol_end (); | |
3765 | ||
3766 | csect = symbol_find_or_make (name); | |
3767 | ||
3768 | *input_line_pointer = endc; | |
3769 | ||
3770 | sym = symbol_make (".bs"); | |
3771 | S_SET_SEGMENT (sym, now_seg); | |
3772 | S_SET_STORAGE_CLASS (sym, C_BSTAT); | |
809ffe0d ILT |
3773 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
3774 | symbol_get_tc (sym)->output = 1; | |
252b5132 | 3775 | |
809ffe0d | 3776 | symbol_get_tc (sym)->within = csect; |
252b5132 RH |
3777 | |
3778 | ppc_frob_label (sym); | |
3779 | ||
3780 | ppc_current_block = sym; | |
3781 | ||
3782 | demand_empty_rest_of_line (); | |
3783 | } | |
3784 | ||
3785 | /* The .es pseudo-op. Generate a C_ESTART symbol named .es. */ | |
3786 | ||
3787 | static void | |
98027b10 | 3788 | ppc_es (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3789 | { |
3790 | symbolS *sym; | |
3791 | ||
3792 | if (ppc_current_block == NULL) | |
3793 | as_bad (_(".es without preceding .bs")); | |
3794 | ||
3795 | sym = symbol_make (".es"); | |
3796 | S_SET_SEGMENT (sym, now_seg); | |
3797 | S_SET_STORAGE_CLASS (sym, C_ESTAT); | |
809ffe0d ILT |
3798 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
3799 | symbol_get_tc (sym)->output = 1; | |
252b5132 RH |
3800 | |
3801 | ppc_frob_label (sym); | |
3802 | ||
3803 | ppc_current_block = NULL; | |
3804 | ||
3805 | demand_empty_rest_of_line (); | |
3806 | } | |
3807 | ||
3808 | /* The .bb pseudo-op. Generate a C_BLOCK symbol named .bb, with a | |
3809 | line number. */ | |
3810 | ||
3811 | static void | |
98027b10 | 3812 | ppc_bb (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3813 | { |
3814 | symbolS *sym; | |
3815 | ||
3816 | sym = symbol_make (".bb"); | |
3817 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3818 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3819 | S_SET_VALUE (sym, frag_now_fix ()); |
3820 | S_SET_STORAGE_CLASS (sym, C_BLOCK); | |
3821 | ||
3822 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3823 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
3824 | ||
809ffe0d | 3825 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3826 | |
3827 | SF_SET_PROCESS (sym); | |
3828 | ||
3829 | ppc_frob_label (sym); | |
3830 | ||
3831 | demand_empty_rest_of_line (); | |
3832 | } | |
3833 | ||
3834 | /* The .eb pseudo-op. Generate a C_BLOCK symbol named .eb, with a | |
3835 | line number. */ | |
3836 | ||
3837 | static void | |
98027b10 | 3838 | ppc_eb (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3839 | { |
3840 | symbolS *sym; | |
3841 | ||
3842 | sym = symbol_make (".eb"); | |
3843 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3844 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3845 | S_SET_VALUE (sym, frag_now_fix ()); |
3846 | S_SET_STORAGE_CLASS (sym, C_BLOCK); | |
3847 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3848 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
809ffe0d | 3849 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3850 | |
3851 | SF_SET_PROCESS (sym); | |
3852 | ||
3853 | ppc_frob_label (sym); | |
3854 | ||
3855 | demand_empty_rest_of_line (); | |
3856 | } | |
3857 | ||
3858 | /* The .bc pseudo-op. This just creates a C_BCOMM symbol with a | |
3859 | specified name. */ | |
3860 | ||
3861 | static void | |
98027b10 | 3862 | ppc_bc (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3863 | { |
3864 | char *name; | |
3865 | int len; | |
3866 | symbolS *sym; | |
3867 | ||
3868 | name = demand_copy_C_string (&len); | |
3869 | sym = symbol_make (name); | |
3870 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 3871 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3872 | S_SET_STORAGE_CLASS (sym, C_BCOMM); |
3873 | S_SET_VALUE (sym, 0); | |
809ffe0d | 3874 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3875 | |
3876 | ppc_frob_label (sym); | |
3877 | ||
3878 | demand_empty_rest_of_line (); | |
3879 | } | |
3880 | ||
3881 | /* The .ec pseudo-op. This just creates a C_ECOMM symbol. */ | |
3882 | ||
3883 | static void | |
98027b10 | 3884 | ppc_ec (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3885 | { |
3886 | symbolS *sym; | |
3887 | ||
3888 | sym = symbol_make (".ec"); | |
3889 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 3890 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3891 | S_SET_STORAGE_CLASS (sym, C_ECOMM); |
3892 | S_SET_VALUE (sym, 0); | |
809ffe0d | 3893 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3894 | |
3895 | ppc_frob_label (sym); | |
3896 | ||
3897 | demand_empty_rest_of_line (); | |
3898 | } | |
3899 | ||
3900 | /* The .toc pseudo-op. Switch to the .toc subsegment. */ | |
3901 | ||
3902 | static void | |
98027b10 | 3903 | ppc_toc (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3904 | { |
3905 | if (ppc_toc_csect != (symbolS *) NULL) | |
809ffe0d | 3906 | subseg_set (data_section, symbol_get_tc (ppc_toc_csect)->subseg); |
252b5132 RH |
3907 | else |
3908 | { | |
3909 | subsegT subseg; | |
3910 | symbolS *sym; | |
3911 | symbolS *list; | |
81d4177b | 3912 | |
252b5132 RH |
3913 | subseg = ppc_data_subsegment; |
3914 | ++ppc_data_subsegment; | |
3915 | ||
3916 | subseg_new (segment_name (data_section), subseg); | |
3917 | ppc_toc_frag = frag_now; | |
3918 | ||
3919 | sym = symbol_find_or_make ("TOC[TC0]"); | |
809ffe0d | 3920 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3921 | S_SET_SEGMENT (sym, data_section); |
3922 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); | |
809ffe0d ILT |
3923 | symbol_get_tc (sym)->subseg = subseg; |
3924 | symbol_get_tc (sym)->output = 1; | |
3925 | symbol_get_tc (sym)->within = sym; | |
252b5132 RH |
3926 | |
3927 | ppc_toc_csect = sym; | |
81d4177b | 3928 | |
252b5132 | 3929 | for (list = ppc_data_csects; |
809ffe0d ILT |
3930 | symbol_get_tc (list)->next != (symbolS *) NULL; |
3931 | list = symbol_get_tc (list)->next) | |
252b5132 | 3932 | ; |
809ffe0d | 3933 | symbol_get_tc (list)->next = sym; |
252b5132 RH |
3934 | |
3935 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
3936 | symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP, |
3937 | &symbol_lastP); | |
252b5132 RH |
3938 | } |
3939 | ||
3940 | ppc_current_csect = ppc_toc_csect; | |
3941 | ||
3942 | demand_empty_rest_of_line (); | |
3943 | } | |
3944 | ||
3945 | /* The AIX assembler automatically aligns the operands of a .long or | |
3946 | .short pseudo-op, and we want to be compatible. */ | |
3947 | ||
3948 | static void | |
98027b10 | 3949 | ppc_xcoff_cons (int log_size) |
252b5132 RH |
3950 | { |
3951 | frag_align (log_size, 0, 0); | |
3952 | record_alignment (now_seg, log_size); | |
3953 | cons (1 << log_size); | |
3954 | } | |
3955 | ||
3956 | static void | |
98027b10 | 3957 | ppc_vbyte (int dummy ATTRIBUTE_UNUSED) |
252b5132 RH |
3958 | { |
3959 | expressionS exp; | |
3960 | int byte_count; | |
3961 | ||
3962 | (void) expression (&exp); | |
3963 | ||
3964 | if (exp.X_op != O_constant) | |
3965 | { | |
3966 | as_bad (_("non-constant byte count")); | |
3967 | return; | |
3968 | } | |
3969 | ||
3970 | byte_count = exp.X_add_number; | |
3971 | ||
3972 | if (*input_line_pointer != ',') | |
3973 | { | |
3974 | as_bad (_("missing value")); | |
3975 | return; | |
3976 | } | |
3977 | ||
3978 | ++input_line_pointer; | |
3979 | cons (byte_count); | |
3980 | } | |
3981 | ||
3982 | #endif /* OBJ_XCOFF */ | |
0baf16f2 | 3983 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
252b5132 RH |
3984 | \f |
3985 | /* The .tc pseudo-op. This is used when generating either XCOFF or | |
3986 | ELF. This takes two or more arguments. | |
3987 | ||
3988 | When generating XCOFF output, the first argument is the name to | |
3989 | give to this location in the toc; this will be a symbol with class | |
0baf16f2 | 3990 | TC. The rest of the arguments are N-byte values to actually put at |
252b5132 | 3991 | this location in the TOC; often there is just one more argument, a |
1049f94e | 3992 | relocatable symbol reference. The size of the value to store |
0baf16f2 AM |
3993 | depends on target word size. A 32-bit target uses 4-byte values, a |
3994 | 64-bit target uses 8-byte values. | |
252b5132 RH |
3995 | |
3996 | When not generating XCOFF output, the arguments are the same, but | |
3997 | the first argument is simply ignored. */ | |
3998 | ||
3999 | static void | |
98027b10 | 4000 | ppc_tc (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4001 | { |
4002 | #ifdef OBJ_XCOFF | |
4003 | ||
4004 | /* Define the TOC symbol name. */ | |
4005 | { | |
4006 | char *name; | |
4007 | char endc; | |
4008 | symbolS *sym; | |
4009 | ||
4010 | if (ppc_toc_csect == (symbolS *) NULL | |
4011 | || ppc_toc_csect != ppc_current_csect) | |
4012 | { | |
4013 | as_bad (_(".tc not in .toc section")); | |
4014 | ignore_rest_of_line (); | |
4015 | return; | |
4016 | } | |
4017 | ||
4018 | name = input_line_pointer; | |
4019 | endc = get_symbol_end (); | |
4020 | ||
4021 | sym = symbol_find_or_make (name); | |
4022 | ||
4023 | *input_line_pointer = endc; | |
4024 | ||
4025 | if (S_IS_DEFINED (sym)) | |
4026 | { | |
4027 | symbolS *label; | |
4028 | ||
809ffe0d ILT |
4029 | label = symbol_get_tc (ppc_current_csect)->within; |
4030 | if (symbol_get_tc (label)->class != XMC_TC0) | |
252b5132 RH |
4031 | { |
4032 | as_bad (_(".tc with no label")); | |
4033 | ignore_rest_of_line (); | |
4034 | return; | |
4035 | } | |
4036 | ||
4037 | S_SET_SEGMENT (label, S_GET_SEGMENT (sym)); | |
809ffe0d | 4038 | symbol_set_frag (label, symbol_get_frag (sym)); |
252b5132 RH |
4039 | S_SET_VALUE (label, S_GET_VALUE (sym)); |
4040 | ||
4041 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
4042 | ++input_line_pointer; | |
4043 | ||
4044 | return; | |
4045 | } | |
4046 | ||
4047 | S_SET_SEGMENT (sym, now_seg); | |
809ffe0d | 4048 | symbol_set_frag (sym, frag_now); |
252b5132 | 4049 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); |
809ffe0d ILT |
4050 | symbol_get_tc (sym)->class = XMC_TC; |
4051 | symbol_get_tc (sym)->output = 1; | |
252b5132 RH |
4052 | |
4053 | ppc_frob_label (sym); | |
4054 | } | |
4055 | ||
0baf16f2 AM |
4056 | #endif /* OBJ_XCOFF */ |
4057 | #ifdef OBJ_ELF | |
9c7977b3 | 4058 | int align; |
252b5132 RH |
4059 | |
4060 | /* Skip the TOC symbol name. */ | |
4061 | while (is_part_of_name (*input_line_pointer) | |
4062 | || *input_line_pointer == '[' | |
4063 | || *input_line_pointer == ']' | |
4064 | || *input_line_pointer == '{' | |
4065 | || *input_line_pointer == '}') | |
4066 | ++input_line_pointer; | |
4067 | ||
0baf16f2 | 4068 | /* Align to a four/eight byte boundary. */ |
2b3c4602 | 4069 | align = ppc_obj64 ? 3 : 2; |
9c7977b3 AM |
4070 | frag_align (align, 0, 0); |
4071 | record_alignment (now_seg, align); | |
0baf16f2 | 4072 | #endif /* OBJ_ELF */ |
252b5132 RH |
4073 | |
4074 | if (*input_line_pointer != ',') | |
4075 | demand_empty_rest_of_line (); | |
4076 | else | |
4077 | { | |
4078 | ++input_line_pointer; | |
2b3c4602 | 4079 | cons (ppc_obj64 ? 8 : 4); |
252b5132 RH |
4080 | } |
4081 | } | |
0baf16f2 AM |
4082 | |
4083 | /* Pseudo-op .machine. */ | |
0baf16f2 AM |
4084 | |
4085 | static void | |
98027b10 | 4086 | ppc_machine (int ignore ATTRIBUTE_UNUSED) |
0baf16f2 | 4087 | { |
69c040df AM |
4088 | char *cpu_string; |
4089 | #define MAX_HISTORY 100 | |
4090 | static unsigned long *cpu_history; | |
4091 | static int curr_hist; | |
4092 | ||
4093 | SKIP_WHITESPACE (); | |
4094 | ||
4095 | if (*input_line_pointer == '"') | |
4096 | { | |
4097 | int len; | |
4098 | cpu_string = demand_copy_C_string (&len); | |
4099 | } | |
4100 | else | |
4101 | { | |
4102 | char c; | |
4103 | cpu_string = input_line_pointer; | |
4104 | c = get_symbol_end (); | |
4105 | cpu_string = xstrdup (cpu_string); | |
4106 | *input_line_pointer = c; | |
4107 | } | |
4108 | ||
4109 | if (cpu_string != NULL) | |
4110 | { | |
4111 | unsigned long old_cpu = ppc_cpu; | |
4112 | char *p; | |
4113 | ||
4114 | for (p = cpu_string; *p != 0; p++) | |
4115 | *p = TOLOWER (*p); | |
4116 | ||
4117 | if (strcmp (cpu_string, "push") == 0) | |
4118 | { | |
4119 | if (cpu_history == NULL) | |
4120 | cpu_history = xmalloc (MAX_HISTORY * sizeof (*cpu_history)); | |
4121 | ||
4122 | if (curr_hist >= MAX_HISTORY) | |
4123 | as_bad (_(".machine stack overflow")); | |
4124 | else | |
4125 | cpu_history[curr_hist++] = ppc_cpu; | |
4126 | } | |
4127 | else if (strcmp (cpu_string, "pop") == 0) | |
4128 | { | |
4129 | if (curr_hist <= 0) | |
4130 | as_bad (_(".machine stack underflow")); | |
4131 | else | |
4132 | ppc_cpu = cpu_history[--curr_hist]; | |
4133 | } | |
4134 | else if (parse_cpu (cpu_string)) | |
4135 | ; | |
4136 | else | |
4137 | as_bad (_("invalid machine `%s'"), cpu_string); | |
4138 | ||
4139 | if (ppc_cpu != old_cpu) | |
4140 | ppc_setup_opcodes (); | |
4141 | } | |
4142 | ||
4143 | demand_empty_rest_of_line (); | |
0baf16f2 AM |
4144 | } |
4145 | ||
4146 | /* See whether a symbol is in the TOC section. */ | |
4147 | ||
4148 | static int | |
98027b10 | 4149 | ppc_is_toc_sym (symbolS *sym) |
0baf16f2 AM |
4150 | { |
4151 | #ifdef OBJ_XCOFF | |
4152 | return symbol_get_tc (sym)->class == XMC_TC; | |
4153 | #endif | |
4154 | #ifdef OBJ_ELF | |
4155 | const char *sname = segment_name (S_GET_SEGMENT (sym)); | |
2b3c4602 | 4156 | if (ppc_obj64) |
0baf16f2 AM |
4157 | return strcmp (sname, ".toc") == 0; |
4158 | else | |
4159 | return strcmp (sname, ".got") == 0; | |
4160 | #endif | |
4161 | } | |
4162 | #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */ | |
252b5132 RH |
4163 | \f |
4164 | #ifdef TE_PE | |
4165 | ||
99a814a1 | 4166 | /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */ |
252b5132 RH |
4167 | |
4168 | /* Set the current section. */ | |
4169 | static void | |
98027b10 | 4170 | ppc_set_current_section (segT new) |
252b5132 RH |
4171 | { |
4172 | ppc_previous_section = ppc_current_section; | |
4173 | ppc_current_section = new; | |
4174 | } | |
4175 | ||
4176 | /* pseudo-op: .previous | |
4177 | behaviour: toggles the current section with the previous section. | |
4178 | errors: None | |
99a814a1 AM |
4179 | warnings: "No previous section" */ |
4180 | ||
252b5132 | 4181 | static void |
98027b10 | 4182 | ppc_previous (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4183 | { |
4184 | symbolS *tmp; | |
4185 | ||
81d4177b | 4186 | if (ppc_previous_section == NULL) |
252b5132 | 4187 | { |
99a814a1 | 4188 | as_warn (_("No previous section to return to. Directive ignored.")); |
252b5132 RH |
4189 | return; |
4190 | } | |
4191 | ||
99a814a1 | 4192 | subseg_set (ppc_previous_section, 0); |
252b5132 | 4193 | |
99a814a1 | 4194 | ppc_set_current_section (ppc_previous_section); |
252b5132 RH |
4195 | } |
4196 | ||
4197 | /* pseudo-op: .pdata | |
4198 | behaviour: predefined read only data section | |
b34976b6 | 4199 | double word aligned |
252b5132 RH |
4200 | errors: None |
4201 | warnings: None | |
4202 | initial: .section .pdata "adr3" | |
b34976b6 | 4203 | a - don't know -- maybe a misprint |
252b5132 RH |
4204 | d - initialized data |
4205 | r - readable | |
4206 | 3 - double word aligned (that would be 4 byte boundary) | |
4207 | ||
4208 | commentary: | |
4209 | Tag index tables (also known as the function table) for exception | |
99a814a1 | 4210 | handling, debugging, etc. */ |
252b5132 | 4211 | |
252b5132 | 4212 | static void |
98027b10 | 4213 | ppc_pdata (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 4214 | { |
81d4177b | 4215 | if (pdata_section == 0) |
252b5132 RH |
4216 | { |
4217 | pdata_section = subseg_new (".pdata", 0); | |
81d4177b | 4218 | |
252b5132 RH |
4219 | bfd_set_section_flags (stdoutput, pdata_section, |
4220 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
4221 | | SEC_READONLY | SEC_DATA )); | |
81d4177b | 4222 | |
252b5132 RH |
4223 | bfd_set_section_alignment (stdoutput, pdata_section, 2); |
4224 | } | |
4225 | else | |
4226 | { | |
99a814a1 | 4227 | pdata_section = subseg_new (".pdata", 0); |
252b5132 | 4228 | } |
99a814a1 | 4229 | ppc_set_current_section (pdata_section); |
252b5132 RH |
4230 | } |
4231 | ||
4232 | /* pseudo-op: .ydata | |
4233 | behaviour: predefined read only data section | |
b34976b6 | 4234 | double word aligned |
252b5132 RH |
4235 | errors: None |
4236 | warnings: None | |
4237 | initial: .section .ydata "drw3" | |
b34976b6 | 4238 | a - don't know -- maybe a misprint |
252b5132 RH |
4239 | d - initialized data |
4240 | r - readable | |
4241 | 3 - double word aligned (that would be 4 byte boundary) | |
4242 | commentary: | |
4243 | Tag tables (also known as the scope table) for exception handling, | |
99a814a1 AM |
4244 | debugging, etc. */ |
4245 | ||
252b5132 | 4246 | static void |
98027b10 | 4247 | ppc_ydata (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 4248 | { |
81d4177b | 4249 | if (ydata_section == 0) |
252b5132 RH |
4250 | { |
4251 | ydata_section = subseg_new (".ydata", 0); | |
4252 | bfd_set_section_flags (stdoutput, ydata_section, | |
99a814a1 AM |
4253 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
4254 | | SEC_READONLY | SEC_DATA )); | |
252b5132 RH |
4255 | |
4256 | bfd_set_section_alignment (stdoutput, ydata_section, 3); | |
4257 | } | |
4258 | else | |
4259 | { | |
4260 | ydata_section = subseg_new (".ydata", 0); | |
4261 | } | |
99a814a1 | 4262 | ppc_set_current_section (ydata_section); |
252b5132 RH |
4263 | } |
4264 | ||
4265 | /* pseudo-op: .reldata | |
4266 | behaviour: predefined read write data section | |
b34976b6 | 4267 | double word aligned (4-byte) |
252b5132 RH |
4268 | FIXME: relocation is applied to it |
4269 | FIXME: what's the difference between this and .data? | |
4270 | errors: None | |
4271 | warnings: None | |
4272 | initial: .section .reldata "drw3" | |
4273 | d - initialized data | |
4274 | r - readable | |
4275 | w - writeable | |
4276 | 3 - double word aligned (that would be 8 byte boundary) | |
4277 | ||
4278 | commentary: | |
4279 | Like .data, but intended to hold data subject to relocation, such as | |
99a814a1 AM |
4280 | function descriptors, etc. */ |
4281 | ||
252b5132 | 4282 | static void |
98027b10 | 4283 | ppc_reldata (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4284 | { |
4285 | if (reldata_section == 0) | |
4286 | { | |
4287 | reldata_section = subseg_new (".reldata", 0); | |
4288 | ||
4289 | bfd_set_section_flags (stdoutput, reldata_section, | |
99a814a1 AM |
4290 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
4291 | | SEC_DATA)); | |
252b5132 RH |
4292 | |
4293 | bfd_set_section_alignment (stdoutput, reldata_section, 2); | |
4294 | } | |
4295 | else | |
4296 | { | |
4297 | reldata_section = subseg_new (".reldata", 0); | |
4298 | } | |
99a814a1 | 4299 | ppc_set_current_section (reldata_section); |
252b5132 RH |
4300 | } |
4301 | ||
4302 | /* pseudo-op: .rdata | |
4303 | behaviour: predefined read only data section | |
b34976b6 | 4304 | double word aligned |
252b5132 RH |
4305 | errors: None |
4306 | warnings: None | |
4307 | initial: .section .rdata "dr3" | |
4308 | d - initialized data | |
4309 | r - readable | |
99a814a1 AM |
4310 | 3 - double word aligned (that would be 4 byte boundary) */ |
4311 | ||
252b5132 | 4312 | static void |
98027b10 | 4313 | ppc_rdata (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4314 | { |
4315 | if (rdata_section == 0) | |
4316 | { | |
4317 | rdata_section = subseg_new (".rdata", 0); | |
4318 | bfd_set_section_flags (stdoutput, rdata_section, | |
4319 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
4320 | | SEC_READONLY | SEC_DATA )); | |
4321 | ||
4322 | bfd_set_section_alignment (stdoutput, rdata_section, 2); | |
4323 | } | |
4324 | else | |
4325 | { | |
4326 | rdata_section = subseg_new (".rdata", 0); | |
4327 | } | |
99a814a1 | 4328 | ppc_set_current_section (rdata_section); |
252b5132 RH |
4329 | } |
4330 | ||
4331 | /* pseudo-op: .ualong | |
81d4177b | 4332 | behaviour: much like .int, with the exception that no alignment is |
b34976b6 | 4333 | performed. |
252b5132 RH |
4334 | FIXME: test the alignment statement |
4335 | errors: None | |
99a814a1 AM |
4336 | warnings: None */ |
4337 | ||
252b5132 | 4338 | static void |
98027b10 | 4339 | ppc_ualong (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 4340 | { |
99a814a1 AM |
4341 | /* Try for long. */ |
4342 | cons (4); | |
252b5132 RH |
4343 | } |
4344 | ||
4345 | /* pseudo-op: .znop <symbol name> | |
4346 | behaviour: Issue a nop instruction | |
b34976b6 | 4347 | Issue a IMAGE_REL_PPC_IFGLUE relocation against it, using |
252b5132 RH |
4348 | the supplied symbol name. |
4349 | errors: None | |
99a814a1 AM |
4350 | warnings: Missing symbol name */ |
4351 | ||
252b5132 | 4352 | static void |
98027b10 | 4353 | ppc_znop (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4354 | { |
4355 | unsigned long insn; | |
4356 | const struct powerpc_opcode *opcode; | |
4357 | expressionS ex; | |
4358 | char *f; | |
252b5132 | 4359 | symbolS *sym; |
252b5132 RH |
4360 | char *symbol_name; |
4361 | char c; | |
4362 | char *name; | |
4363 | unsigned int exp; | |
4364 | flagword flags; | |
4365 | asection *sec; | |
4366 | ||
99a814a1 | 4367 | /* Strip out the symbol name. */ |
252b5132 RH |
4368 | symbol_name = input_line_pointer; |
4369 | c = get_symbol_end (); | |
4370 | ||
4371 | name = xmalloc (input_line_pointer - symbol_name + 1); | |
4372 | strcpy (name, symbol_name); | |
4373 | ||
4374 | sym = symbol_find_or_make (name); | |
4375 | ||
4376 | *input_line_pointer = c; | |
4377 | ||
4378 | SKIP_WHITESPACE (); | |
4379 | ||
4380 | /* Look up the opcode in the hash table. */ | |
4381 | opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, "nop"); | |
4382 | ||
99a814a1 | 4383 | /* Stick in the nop. */ |
252b5132 RH |
4384 | insn = opcode->opcode; |
4385 | ||
4386 | /* Write out the instruction. */ | |
4387 | f = frag_more (4); | |
4388 | md_number_to_chars (f, insn, 4); | |
4389 | fix_new (frag_now, | |
4390 | f - frag_now->fr_literal, | |
4391 | 4, | |
4392 | sym, | |
4393 | 0, | |
4394 | 0, | |
4395 | BFD_RELOC_16_GOT_PCREL); | |
4396 | ||
4397 | } | |
4398 | ||
81d4177b KH |
4399 | /* pseudo-op: |
4400 | behaviour: | |
4401 | errors: | |
99a814a1 AM |
4402 | warnings: */ |
4403 | ||
252b5132 | 4404 | static void |
98027b10 | 4405 | ppc_pe_comm (int lcomm) |
252b5132 | 4406 | { |
98027b10 AM |
4407 | char *name; |
4408 | char c; | |
4409 | char *p; | |
252b5132 | 4410 | offsetT temp; |
98027b10 | 4411 | symbolS *symbolP; |
252b5132 RH |
4412 | offsetT align; |
4413 | ||
4414 | name = input_line_pointer; | |
4415 | c = get_symbol_end (); | |
4416 | ||
99a814a1 | 4417 | /* just after name is now '\0'. */ |
252b5132 RH |
4418 | p = input_line_pointer; |
4419 | *p = c; | |
4420 | SKIP_WHITESPACE (); | |
4421 | if (*input_line_pointer != ',') | |
4422 | { | |
4423 | as_bad (_("Expected comma after symbol-name: rest of line ignored.")); | |
4424 | ignore_rest_of_line (); | |
4425 | return; | |
4426 | } | |
4427 | ||
4428 | input_line_pointer++; /* skip ',' */ | |
4429 | if ((temp = get_absolute_expression ()) < 0) | |
4430 | { | |
4431 | as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) temp); | |
4432 | ignore_rest_of_line (); | |
4433 | return; | |
4434 | } | |
4435 | ||
4436 | if (! lcomm) | |
4437 | { | |
4438 | /* The third argument to .comm is the alignment. */ | |
4439 | if (*input_line_pointer != ',') | |
4440 | align = 3; | |
4441 | else | |
4442 | { | |
4443 | ++input_line_pointer; | |
4444 | align = get_absolute_expression (); | |
4445 | if (align <= 0) | |
4446 | { | |
4447 | as_warn (_("ignoring bad alignment")); | |
4448 | align = 3; | |
4449 | } | |
4450 | } | |
4451 | } | |
4452 | ||
4453 | *p = 0; | |
4454 | symbolP = symbol_find_or_make (name); | |
4455 | ||
4456 | *p = c; | |
4457 | if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP)) | |
4458 | { | |
4459 | as_bad (_("Ignoring attempt to re-define symbol `%s'."), | |
4460 | S_GET_NAME (symbolP)); | |
4461 | ignore_rest_of_line (); | |
4462 | return; | |
4463 | } | |
4464 | ||
4465 | if (S_GET_VALUE (symbolP)) | |
4466 | { | |
4467 | if (S_GET_VALUE (symbolP) != (valueT) temp) | |
4468 | as_bad (_("Length of .comm \"%s\" is already %ld. Not changed to %ld."), | |
4469 | S_GET_NAME (symbolP), | |
4470 | (long) S_GET_VALUE (symbolP), | |
4471 | (long) temp); | |
4472 | } | |
4473 | else | |
4474 | { | |
4475 | S_SET_VALUE (symbolP, (valueT) temp); | |
4476 | S_SET_EXTERNAL (symbolP); | |
86ebace2 | 4477 | S_SET_SEGMENT (symbolP, bfd_com_section_ptr); |
252b5132 RH |
4478 | } |
4479 | ||
4480 | demand_empty_rest_of_line (); | |
4481 | } | |
4482 | ||
4483 | /* | |
4484 | * implement the .section pseudo op: | |
4485 | * .section name {, "flags"} | |
4486 | * ^ ^ | |
4487 | * | +--- optional flags: 'b' for bss | |
4488 | * | 'i' for info | |
4489 | * +-- section name 'l' for lib | |
4490 | * 'n' for noload | |
4491 | * 'o' for over | |
4492 | * 'w' for data | |
4493 | * 'd' (apparently m88k for data) | |
4494 | * 'x' for text | |
4495 | * But if the argument is not a quoted string, treat it as a | |
4496 | * subsegment number. | |
4497 | * | |
4498 | * FIXME: this is a copy of the section processing from obj-coff.c, with | |
4499 | * additions/changes for the moto-pas assembler support. There are three | |
4500 | * categories: | |
4501 | * | |
81d4177b | 4502 | * FIXME: I just noticed this. This doesn't work at all really. It it |
252b5132 RH |
4503 | * setting bits that bfd probably neither understands or uses. The |
4504 | * correct approach (?) will have to incorporate extra fields attached | |
4505 | * to the section to hold the system specific stuff. (krk) | |
4506 | * | |
4507 | * Section Contents: | |
4508 | * 'a' - unknown - referred to in documentation, but no definition supplied | |
4509 | * 'c' - section has code | |
4510 | * 'd' - section has initialized data | |
4511 | * 'u' - section has uninitialized data | |
4512 | * 'i' - section contains directives (info) | |
4513 | * 'n' - section can be discarded | |
4514 | * 'R' - remove section at link time | |
4515 | * | |
4516 | * Section Protection: | |
4517 | * 'r' - section is readable | |
4518 | * 'w' - section is writeable | |
4519 | * 'x' - section is executable | |
4520 | * 's' - section is sharable | |
4521 | * | |
4522 | * Section Alignment: | |
4523 | * '0' - align to byte boundary | |
4524 | * '1' - align to halfword undary | |
4525 | * '2' - align to word boundary | |
4526 | * '3' - align to doubleword boundary | |
4527 | * '4' - align to quadword boundary | |
4528 | * '5' - align to 32 byte boundary | |
4529 | * '6' - align to 64 byte boundary | |
4530 | * | |
4531 | */ | |
4532 | ||
4533 | void | |
98027b10 | 4534 | ppc_pe_section (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 4535 | { |
99a814a1 | 4536 | /* Strip out the section name. */ |
252b5132 RH |
4537 | char *section_name; |
4538 | char c; | |
4539 | char *name; | |
4540 | unsigned int exp; | |
4541 | flagword flags; | |
4542 | segT sec; | |
4543 | int align; | |
4544 | ||
4545 | section_name = input_line_pointer; | |
4546 | c = get_symbol_end (); | |
4547 | ||
4548 | name = xmalloc (input_line_pointer - section_name + 1); | |
4549 | strcpy (name, section_name); | |
4550 | ||
4551 | *input_line_pointer = c; | |
4552 | ||
4553 | SKIP_WHITESPACE (); | |
4554 | ||
4555 | exp = 0; | |
4556 | flags = SEC_NO_FLAGS; | |
4557 | ||
4558 | if (strcmp (name, ".idata$2") == 0) | |
4559 | { | |
4560 | align = 0; | |
4561 | } | |
4562 | else if (strcmp (name, ".idata$3") == 0) | |
4563 | { | |
4564 | align = 0; | |
4565 | } | |
4566 | else if (strcmp (name, ".idata$4") == 0) | |
4567 | { | |
4568 | align = 2; | |
4569 | } | |
4570 | else if (strcmp (name, ".idata$5") == 0) | |
4571 | { | |
4572 | align = 2; | |
4573 | } | |
4574 | else if (strcmp (name, ".idata$6") == 0) | |
4575 | { | |
4576 | align = 1; | |
4577 | } | |
4578 | else | |
99a814a1 AM |
4579 | /* Default alignment to 16 byte boundary. */ |
4580 | align = 4; | |
252b5132 RH |
4581 | |
4582 | if (*input_line_pointer == ',') | |
4583 | { | |
4584 | ++input_line_pointer; | |
4585 | SKIP_WHITESPACE (); | |
4586 | if (*input_line_pointer != '"') | |
4587 | exp = get_absolute_expression (); | |
4588 | else | |
4589 | { | |
4590 | ++input_line_pointer; | |
4591 | while (*input_line_pointer != '"' | |
4592 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
4593 | { | |
4594 | switch (*input_line_pointer) | |
4595 | { | |
4596 | /* Section Contents */ | |
4597 | case 'a': /* unknown */ | |
4598 | as_bad (_("Unsupported section attribute -- 'a'")); | |
4599 | break; | |
4600 | case 'c': /* code section */ | |
81d4177b | 4601 | flags |= SEC_CODE; |
252b5132 RH |
4602 | break; |
4603 | case 'd': /* section has initialized data */ | |
4604 | flags |= SEC_DATA; | |
4605 | break; | |
4606 | case 'u': /* section has uninitialized data */ | |
4607 | /* FIXME: This is IMAGE_SCN_CNT_UNINITIALIZED_DATA | |
4608 | in winnt.h */ | |
4609 | flags |= SEC_ROM; | |
4610 | break; | |
4611 | case 'i': /* section contains directives (info) */ | |
4612 | /* FIXME: This is IMAGE_SCN_LNK_INFO | |
4613 | in winnt.h */ | |
4614 | flags |= SEC_HAS_CONTENTS; | |
4615 | break; | |
4616 | case 'n': /* section can be discarded */ | |
81d4177b | 4617 | flags &=~ SEC_LOAD; |
252b5132 RH |
4618 | break; |
4619 | case 'R': /* Remove section at link time */ | |
4620 | flags |= SEC_NEVER_LOAD; | |
4621 | break; | |
8d452c78 | 4622 | #if IFLICT_BRAIN_DAMAGE |
252b5132 RH |
4623 | /* Section Protection */ |
4624 | case 'r': /* section is readable */ | |
4625 | flags |= IMAGE_SCN_MEM_READ; | |
4626 | break; | |
4627 | case 'w': /* section is writeable */ | |
4628 | flags |= IMAGE_SCN_MEM_WRITE; | |
4629 | break; | |
4630 | case 'x': /* section is executable */ | |
4631 | flags |= IMAGE_SCN_MEM_EXECUTE; | |
4632 | break; | |
4633 | case 's': /* section is sharable */ | |
4634 | flags |= IMAGE_SCN_MEM_SHARED; | |
4635 | break; | |
4636 | ||
4637 | /* Section Alignment */ | |
4638 | case '0': /* align to byte boundary */ | |
4639 | flags |= IMAGE_SCN_ALIGN_1BYTES; | |
4640 | align = 0; | |
4641 | break; | |
4642 | case '1': /* align to halfword boundary */ | |
4643 | flags |= IMAGE_SCN_ALIGN_2BYTES; | |
4644 | align = 1; | |
4645 | break; | |
4646 | case '2': /* align to word boundary */ | |
4647 | flags |= IMAGE_SCN_ALIGN_4BYTES; | |
4648 | align = 2; | |
4649 | break; | |
4650 | case '3': /* align to doubleword boundary */ | |
4651 | flags |= IMAGE_SCN_ALIGN_8BYTES; | |
4652 | align = 3; | |
4653 | break; | |
4654 | case '4': /* align to quadword boundary */ | |
4655 | flags |= IMAGE_SCN_ALIGN_16BYTES; | |
4656 | align = 4; | |
4657 | break; | |
4658 | case '5': /* align to 32 byte boundary */ | |
4659 | flags |= IMAGE_SCN_ALIGN_32BYTES; | |
4660 | align = 5; | |
4661 | break; | |
4662 | case '6': /* align to 64 byte boundary */ | |
4663 | flags |= IMAGE_SCN_ALIGN_64BYTES; | |
4664 | align = 6; | |
4665 | break; | |
8d452c78 | 4666 | #endif |
252b5132 | 4667 | default: |
99a814a1 AM |
4668 | as_bad (_("unknown section attribute '%c'"), |
4669 | *input_line_pointer); | |
252b5132 RH |
4670 | break; |
4671 | } | |
4672 | ++input_line_pointer; | |
4673 | } | |
4674 | if (*input_line_pointer == '"') | |
4675 | ++input_line_pointer; | |
4676 | } | |
4677 | } | |
4678 | ||
4679 | sec = subseg_new (name, (subsegT) exp); | |
4680 | ||
99a814a1 | 4681 | ppc_set_current_section (sec); |
252b5132 RH |
4682 | |
4683 | if (flags != SEC_NO_FLAGS) | |
4684 | { | |
4685 | if (! bfd_set_section_flags (stdoutput, sec, flags)) | |
4686 | as_bad (_("error setting flags for \"%s\": %s"), | |
4687 | bfd_section_name (stdoutput, sec), | |
4688 | bfd_errmsg (bfd_get_error ())); | |
4689 | } | |
4690 | ||
99a814a1 | 4691 | bfd_set_section_alignment (stdoutput, sec, align); |
252b5132 RH |
4692 | } |
4693 | ||
4694 | static void | |
98027b10 | 4695 | ppc_pe_function (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4696 | { |
4697 | char *name; | |
4698 | char endc; | |
4699 | symbolS *ext_sym; | |
4700 | ||
4701 | name = input_line_pointer; | |
4702 | endc = get_symbol_end (); | |
4703 | ||
4704 | ext_sym = symbol_find_or_make (name); | |
4705 | ||
4706 | *input_line_pointer = endc; | |
4707 | ||
4708 | S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT); | |
4709 | SF_SET_FUNCTION (ext_sym); | |
4710 | SF_SET_PROCESS (ext_sym); | |
4711 | coff_add_linesym (ext_sym); | |
4712 | ||
4713 | demand_empty_rest_of_line (); | |
4714 | } | |
4715 | ||
4716 | static void | |
98027b10 | 4717 | ppc_pe_tocd (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4718 | { |
4719 | if (tocdata_section == 0) | |
4720 | { | |
4721 | tocdata_section = subseg_new (".tocd", 0); | |
99a814a1 | 4722 | /* FIXME: section flags won't work. */ |
252b5132 RH |
4723 | bfd_set_section_flags (stdoutput, tocdata_section, |
4724 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
99a814a1 | 4725 | | SEC_READONLY | SEC_DATA)); |
252b5132 RH |
4726 | |
4727 | bfd_set_section_alignment (stdoutput, tocdata_section, 2); | |
4728 | } | |
4729 | else | |
4730 | { | |
4731 | rdata_section = subseg_new (".tocd", 0); | |
4732 | } | |
4733 | ||
99a814a1 | 4734 | ppc_set_current_section (tocdata_section); |
252b5132 RH |
4735 | |
4736 | demand_empty_rest_of_line (); | |
4737 | } | |
4738 | ||
4739 | /* Don't adjust TOC relocs to use the section symbol. */ | |
4740 | ||
4741 | int | |
98027b10 | 4742 | ppc_pe_fix_adjustable (fixS *fix) |
252b5132 RH |
4743 | { |
4744 | return fix->fx_r_type != BFD_RELOC_PPC_TOC16; | |
4745 | } | |
4746 | ||
4747 | #endif | |
4748 | \f | |
4749 | #ifdef OBJ_XCOFF | |
4750 | ||
4751 | /* XCOFF specific symbol and file handling. */ | |
4752 | ||
4753 | /* Canonicalize the symbol name. We use the to force the suffix, if | |
4754 | any, to use square brackets, and to be in upper case. */ | |
4755 | ||
4756 | char * | |
98027b10 | 4757 | ppc_canonicalize_symbol_name (char *name) |
252b5132 RH |
4758 | { |
4759 | char *s; | |
4760 | ||
4761 | if (ppc_stab_symbol) | |
4762 | return name; | |
4763 | ||
4764 | for (s = name; *s != '\0' && *s != '{' && *s != '['; s++) | |
4765 | ; | |
4766 | if (*s != '\0') | |
4767 | { | |
4768 | char brac; | |
4769 | ||
4770 | if (*s == '[') | |
4771 | brac = ']'; | |
4772 | else | |
4773 | { | |
4774 | *s = '['; | |
4775 | brac = '}'; | |
4776 | } | |
4777 | ||
4778 | for (s++; *s != '\0' && *s != brac; s++) | |
3882b010 | 4779 | *s = TOUPPER (*s); |
252b5132 RH |
4780 | |
4781 | if (*s == '\0' || s[1] != '\0') | |
4782 | as_bad (_("bad symbol suffix")); | |
4783 | ||
4784 | *s = ']'; | |
4785 | } | |
4786 | ||
4787 | return name; | |
4788 | } | |
4789 | ||
4790 | /* Set the class of a symbol based on the suffix, if any. This is | |
4791 | called whenever a new symbol is created. */ | |
4792 | ||
4793 | void | |
98027b10 | 4794 | ppc_symbol_new_hook (symbolS *sym) |
252b5132 | 4795 | { |
809ffe0d | 4796 | struct ppc_tc_sy *tc; |
252b5132 RH |
4797 | const char *s; |
4798 | ||
809ffe0d ILT |
4799 | tc = symbol_get_tc (sym); |
4800 | tc->next = NULL; | |
4801 | tc->output = 0; | |
4802 | tc->class = -1; | |
4803 | tc->real_name = NULL; | |
4804 | tc->subseg = 0; | |
4805 | tc->align = 0; | |
4806 | tc->size = NULL; | |
4807 | tc->within = NULL; | |
252b5132 RH |
4808 | |
4809 | if (ppc_stab_symbol) | |
4810 | return; | |
4811 | ||
4812 | s = strchr (S_GET_NAME (sym), '['); | |
4813 | if (s == (const char *) NULL) | |
4814 | { | |
4815 | /* There is no suffix. */ | |
4816 | return; | |
4817 | } | |
4818 | ||
4819 | ++s; | |
4820 | ||
4821 | switch (s[0]) | |
4822 | { | |
4823 | case 'B': | |
4824 | if (strcmp (s, "BS]") == 0) | |
809ffe0d | 4825 | tc->class = XMC_BS; |
252b5132 RH |
4826 | break; |
4827 | case 'D': | |
4828 | if (strcmp (s, "DB]") == 0) | |
809ffe0d | 4829 | tc->class = XMC_DB; |
252b5132 | 4830 | else if (strcmp (s, "DS]") == 0) |
809ffe0d | 4831 | tc->class = XMC_DS; |
252b5132 RH |
4832 | break; |
4833 | case 'G': | |
4834 | if (strcmp (s, "GL]") == 0) | |
809ffe0d | 4835 | tc->class = XMC_GL; |
252b5132 RH |
4836 | break; |
4837 | case 'P': | |
4838 | if (strcmp (s, "PR]") == 0) | |
809ffe0d | 4839 | tc->class = XMC_PR; |
252b5132 RH |
4840 | break; |
4841 | case 'R': | |
4842 | if (strcmp (s, "RO]") == 0) | |
809ffe0d | 4843 | tc->class = XMC_RO; |
252b5132 | 4844 | else if (strcmp (s, "RW]") == 0) |
809ffe0d | 4845 | tc->class = XMC_RW; |
252b5132 RH |
4846 | break; |
4847 | case 'S': | |
4848 | if (strcmp (s, "SV]") == 0) | |
809ffe0d | 4849 | tc->class = XMC_SV; |
252b5132 RH |
4850 | break; |
4851 | case 'T': | |
4852 | if (strcmp (s, "TC]") == 0) | |
809ffe0d | 4853 | tc->class = XMC_TC; |
252b5132 | 4854 | else if (strcmp (s, "TI]") == 0) |
809ffe0d | 4855 | tc->class = XMC_TI; |
252b5132 | 4856 | else if (strcmp (s, "TB]") == 0) |
809ffe0d | 4857 | tc->class = XMC_TB; |
252b5132 | 4858 | else if (strcmp (s, "TC0]") == 0 || strcmp (s, "T0]") == 0) |
809ffe0d | 4859 | tc->class = XMC_TC0; |
252b5132 RH |
4860 | break; |
4861 | case 'U': | |
4862 | if (strcmp (s, "UA]") == 0) | |
809ffe0d | 4863 | tc->class = XMC_UA; |
252b5132 | 4864 | else if (strcmp (s, "UC]") == 0) |
809ffe0d | 4865 | tc->class = XMC_UC; |
252b5132 RH |
4866 | break; |
4867 | case 'X': | |
4868 | if (strcmp (s, "XO]") == 0) | |
809ffe0d | 4869 | tc->class = XMC_XO; |
252b5132 RH |
4870 | break; |
4871 | } | |
4872 | ||
809ffe0d | 4873 | if (tc->class == -1) |
252b5132 RH |
4874 | as_bad (_("Unrecognized symbol suffix")); |
4875 | } | |
4876 | ||
4877 | /* Set the class of a label based on where it is defined. This | |
4878 | handles symbols without suffixes. Also, move the symbol so that it | |
4879 | follows the csect symbol. */ | |
4880 | ||
4881 | void | |
98027b10 | 4882 | ppc_frob_label (symbolS *sym) |
252b5132 RH |
4883 | { |
4884 | if (ppc_current_csect != (symbolS *) NULL) | |
4885 | { | |
809ffe0d ILT |
4886 | if (symbol_get_tc (sym)->class == -1) |
4887 | symbol_get_tc (sym)->class = symbol_get_tc (ppc_current_csect)->class; | |
252b5132 RH |
4888 | |
4889 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
4890 | symbol_append (sym, symbol_get_tc (ppc_current_csect)->within, |
4891 | &symbol_rootP, &symbol_lastP); | |
4892 | symbol_get_tc (ppc_current_csect)->within = sym; | |
252b5132 | 4893 | } |
07a53e5c RH |
4894 | |
4895 | #ifdef OBJ_ELF | |
4896 | dwarf2_emit_label (sym); | |
4897 | #endif | |
252b5132 RH |
4898 | } |
4899 | ||
4900 | /* This variable is set by ppc_frob_symbol if any absolute symbols are | |
4901 | seen. It tells ppc_adjust_symtab whether it needs to look through | |
4902 | the symbols. */ | |
4903 | ||
b34976b6 | 4904 | static bfd_boolean ppc_saw_abs; |
252b5132 RH |
4905 | |
4906 | /* Change the name of a symbol just before writing it out. Set the | |
4907 | real name if the .rename pseudo-op was used. Otherwise, remove any | |
4908 | class suffix. Return 1 if the symbol should not be included in the | |
4909 | symbol table. */ | |
4910 | ||
4911 | int | |
98027b10 | 4912 | ppc_frob_symbol (symbolS *sym) |
252b5132 RH |
4913 | { |
4914 | static symbolS *ppc_last_function; | |
4915 | static symbolS *set_end; | |
4916 | ||
4917 | /* Discard symbols that should not be included in the output symbol | |
4918 | table. */ | |
809ffe0d ILT |
4919 | if (! symbol_used_in_reloc_p (sym) |
4920 | && ((symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) != 0 | |
670ec21d | 4921 | || (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym)) |
809ffe0d | 4922 | && ! symbol_get_tc (sym)->output |
252b5132 RH |
4923 | && S_GET_STORAGE_CLASS (sym) != C_FILE))) |
4924 | return 1; | |
4925 | ||
a161fe53 AM |
4926 | /* This one will disappear anyway. Don't make a csect sym for it. */ |
4927 | if (sym == abs_section_sym) | |
4928 | return 1; | |
4929 | ||
809ffe0d ILT |
4930 | if (symbol_get_tc (sym)->real_name != (char *) NULL) |
4931 | S_SET_NAME (sym, symbol_get_tc (sym)->real_name); | |
252b5132 RH |
4932 | else |
4933 | { | |
4934 | const char *name; | |
4935 | const char *s; | |
4936 | ||
4937 | name = S_GET_NAME (sym); | |
4938 | s = strchr (name, '['); | |
4939 | if (s != (char *) NULL) | |
4940 | { | |
4941 | unsigned int len; | |
4942 | char *snew; | |
4943 | ||
4944 | len = s - name; | |
4945 | snew = xmalloc (len + 1); | |
4946 | memcpy (snew, name, len); | |
4947 | snew[len] = '\0'; | |
4948 | ||
4949 | S_SET_NAME (sym, snew); | |
4950 | } | |
4951 | } | |
4952 | ||
4953 | if (set_end != (symbolS *) NULL) | |
4954 | { | |
4955 | SA_SET_SYM_ENDNDX (set_end, sym); | |
4956 | set_end = NULL; | |
4957 | } | |
4958 | ||
4959 | if (SF_GET_FUNCTION (sym)) | |
4960 | { | |
4961 | if (ppc_last_function != (symbolS *) NULL) | |
4962 | as_bad (_("two .function pseudo-ops with no intervening .ef")); | |
4963 | ppc_last_function = sym; | |
809ffe0d | 4964 | if (symbol_get_tc (sym)->size != (symbolS *) NULL) |
252b5132 | 4965 | { |
6386f3a7 | 4966 | resolve_symbol_value (symbol_get_tc (sym)->size); |
809ffe0d ILT |
4967 | SA_SET_SYM_FSIZE (sym, |
4968 | (long) S_GET_VALUE (symbol_get_tc (sym)->size)); | |
252b5132 RH |
4969 | } |
4970 | } | |
4971 | else if (S_GET_STORAGE_CLASS (sym) == C_FCN | |
4972 | && strcmp (S_GET_NAME (sym), ".ef") == 0) | |
4973 | { | |
4974 | if (ppc_last_function == (symbolS *) NULL) | |
4975 | as_bad (_(".ef with no preceding .function")); | |
4976 | else | |
4977 | { | |
4978 | set_end = ppc_last_function; | |
4979 | ppc_last_function = NULL; | |
4980 | ||
4981 | /* We don't have a C_EFCN symbol, but we need to force the | |
4982 | COFF backend to believe that it has seen one. */ | |
4983 | coff_last_function = NULL; | |
4984 | } | |
4985 | } | |
4986 | ||
670ec21d | 4987 | if (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym)) |
809ffe0d | 4988 | && (symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) == 0 |
252b5132 RH |
4989 | && S_GET_STORAGE_CLASS (sym) != C_FILE |
4990 | && S_GET_STORAGE_CLASS (sym) != C_FCN | |
4991 | && S_GET_STORAGE_CLASS (sym) != C_BLOCK | |
4992 | && S_GET_STORAGE_CLASS (sym) != C_BSTAT | |
4993 | && S_GET_STORAGE_CLASS (sym) != C_ESTAT | |
4994 | && S_GET_STORAGE_CLASS (sym) != C_BINCL | |
4995 | && S_GET_STORAGE_CLASS (sym) != C_EINCL | |
4996 | && S_GET_SEGMENT (sym) != ppc_coff_debug_section) | |
4997 | S_SET_STORAGE_CLASS (sym, C_HIDEXT); | |
4998 | ||
4999 | if (S_GET_STORAGE_CLASS (sym) == C_EXT | |
5000 | || S_GET_STORAGE_CLASS (sym) == C_HIDEXT) | |
5001 | { | |
5002 | int i; | |
5003 | union internal_auxent *a; | |
5004 | ||
5005 | /* Create a csect aux. */ | |
5006 | i = S_GET_NUMBER_AUXILIARY (sym); | |
5007 | S_SET_NUMBER_AUXILIARY (sym, i + 1); | |
809ffe0d ILT |
5008 | a = &coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].u.auxent; |
5009 | if (symbol_get_tc (sym)->class == XMC_TC0) | |
252b5132 RH |
5010 | { |
5011 | /* This is the TOC table. */ | |
5012 | know (strcmp (S_GET_NAME (sym), "TOC") == 0); | |
5013 | a->x_csect.x_scnlen.l = 0; | |
5014 | a->x_csect.x_smtyp = (2 << 3) | XTY_SD; | |
5015 | } | |
809ffe0d | 5016 | else if (symbol_get_tc (sym)->subseg != 0) |
252b5132 RH |
5017 | { |
5018 | /* This is a csect symbol. x_scnlen is the size of the | |
5019 | csect. */ | |
809ffe0d | 5020 | if (symbol_get_tc (sym)->next == (symbolS *) NULL) |
252b5132 RH |
5021 | a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput, |
5022 | S_GET_SEGMENT (sym)) | |
5023 | - S_GET_VALUE (sym)); | |
5024 | else | |
5025 | { | |
6386f3a7 | 5026 | resolve_symbol_value (symbol_get_tc (sym)->next); |
809ffe0d | 5027 | a->x_csect.x_scnlen.l = (S_GET_VALUE (symbol_get_tc (sym)->next) |
252b5132 RH |
5028 | - S_GET_VALUE (sym)); |
5029 | } | |
809ffe0d | 5030 | a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_SD; |
252b5132 RH |
5031 | } |
5032 | else if (S_GET_SEGMENT (sym) == bss_section) | |
5033 | { | |
5034 | /* This is a common symbol. */ | |
809ffe0d ILT |
5035 | a->x_csect.x_scnlen.l = symbol_get_frag (sym)->fr_offset; |
5036 | a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_CM; | |
252b5132 | 5037 | if (S_IS_EXTERNAL (sym)) |
809ffe0d | 5038 | symbol_get_tc (sym)->class = XMC_RW; |
252b5132 | 5039 | else |
809ffe0d | 5040 | symbol_get_tc (sym)->class = XMC_BS; |
252b5132 RH |
5041 | } |
5042 | else if (S_GET_SEGMENT (sym) == absolute_section) | |
5043 | { | |
5044 | /* This is an absolute symbol. The csect will be created by | |
99a814a1 | 5045 | ppc_adjust_symtab. */ |
b34976b6 | 5046 | ppc_saw_abs = TRUE; |
252b5132 | 5047 | a->x_csect.x_smtyp = XTY_LD; |
809ffe0d ILT |
5048 | if (symbol_get_tc (sym)->class == -1) |
5049 | symbol_get_tc (sym)->class = XMC_XO; | |
252b5132 RH |
5050 | } |
5051 | else if (! S_IS_DEFINED (sym)) | |
5052 | { | |
5053 | /* This is an external symbol. */ | |
5054 | a->x_csect.x_scnlen.l = 0; | |
5055 | a->x_csect.x_smtyp = XTY_ER; | |
5056 | } | |
809ffe0d | 5057 | else if (symbol_get_tc (sym)->class == XMC_TC) |
252b5132 RH |
5058 | { |
5059 | symbolS *next; | |
5060 | ||
5061 | /* This is a TOC definition. x_scnlen is the size of the | |
5062 | TOC entry. */ | |
5063 | next = symbol_next (sym); | |
809ffe0d | 5064 | while (symbol_get_tc (next)->class == XMC_TC0) |
252b5132 RH |
5065 | next = symbol_next (next); |
5066 | if (next == (symbolS *) NULL | |
809ffe0d | 5067 | || symbol_get_tc (next)->class != XMC_TC) |
252b5132 RH |
5068 | { |
5069 | if (ppc_after_toc_frag == (fragS *) NULL) | |
5070 | a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput, | |
5071 | data_section) | |
5072 | - S_GET_VALUE (sym)); | |
5073 | else | |
5074 | a->x_csect.x_scnlen.l = (ppc_after_toc_frag->fr_address | |
5075 | - S_GET_VALUE (sym)); | |
5076 | } | |
5077 | else | |
5078 | { | |
6386f3a7 | 5079 | resolve_symbol_value (next); |
252b5132 RH |
5080 | a->x_csect.x_scnlen.l = (S_GET_VALUE (next) |
5081 | - S_GET_VALUE (sym)); | |
5082 | } | |
5083 | a->x_csect.x_smtyp = (2 << 3) | XTY_SD; | |
5084 | } | |
5085 | else | |
5086 | { | |
5087 | symbolS *csect; | |
5088 | ||
5089 | /* This is a normal symbol definition. x_scnlen is the | |
5090 | symbol index of the containing csect. */ | |
5091 | if (S_GET_SEGMENT (sym) == text_section) | |
5092 | csect = ppc_text_csects; | |
5093 | else if (S_GET_SEGMENT (sym) == data_section) | |
5094 | csect = ppc_data_csects; | |
5095 | else | |
5096 | abort (); | |
5097 | ||
5098 | /* Skip the initial dummy symbol. */ | |
809ffe0d | 5099 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
5100 | |
5101 | if (csect == (symbolS *) NULL) | |
5102 | { | |
5103 | as_warn (_("warning: symbol %s has no csect"), S_GET_NAME (sym)); | |
5104 | a->x_csect.x_scnlen.l = 0; | |
5105 | } | |
5106 | else | |
5107 | { | |
809ffe0d | 5108 | while (symbol_get_tc (csect)->next != (symbolS *) NULL) |
252b5132 | 5109 | { |
6386f3a7 | 5110 | resolve_symbol_value (symbol_get_tc (csect)->next); |
809ffe0d ILT |
5111 | if (S_GET_VALUE (symbol_get_tc (csect)->next) |
5112 | > S_GET_VALUE (sym)) | |
252b5132 | 5113 | break; |
809ffe0d | 5114 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
5115 | } |
5116 | ||
809ffe0d ILT |
5117 | a->x_csect.x_scnlen.p = |
5118 | coffsymbol (symbol_get_bfdsym (csect))->native; | |
5119 | coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].fix_scnlen = | |
5120 | 1; | |
252b5132 RH |
5121 | } |
5122 | a->x_csect.x_smtyp = XTY_LD; | |
5123 | } | |
81d4177b | 5124 | |
252b5132 RH |
5125 | a->x_csect.x_parmhash = 0; |
5126 | a->x_csect.x_snhash = 0; | |
809ffe0d | 5127 | if (symbol_get_tc (sym)->class == -1) |
252b5132 RH |
5128 | a->x_csect.x_smclas = XMC_PR; |
5129 | else | |
809ffe0d | 5130 | a->x_csect.x_smclas = symbol_get_tc (sym)->class; |
252b5132 RH |
5131 | a->x_csect.x_stab = 0; |
5132 | a->x_csect.x_snstab = 0; | |
5133 | ||
5134 | /* Don't let the COFF backend resort these symbols. */ | |
809ffe0d | 5135 | symbol_get_bfdsym (sym)->flags |= BSF_NOT_AT_END; |
252b5132 RH |
5136 | } |
5137 | else if (S_GET_STORAGE_CLASS (sym) == C_BSTAT) | |
5138 | { | |
5139 | /* We want the value to be the symbol index of the referenced | |
5140 | csect symbol. BFD will do that for us if we set the right | |
5141 | flags. */ | |
b782de16 AM |
5142 | asymbol *bsym = symbol_get_bfdsym (symbol_get_tc (sym)->within); |
5143 | combined_entry_type *c = coffsymbol (bsym)->native; | |
5144 | ||
5145 | S_SET_VALUE (sym, (valueT) (size_t) c); | |
809ffe0d | 5146 | coffsymbol (symbol_get_bfdsym (sym))->native->fix_value = 1; |
252b5132 RH |
5147 | } |
5148 | else if (S_GET_STORAGE_CLASS (sym) == C_STSYM) | |
5149 | { | |
5150 | symbolS *block; | |
5151 | symbolS *csect; | |
5152 | ||
5153 | /* The value is the offset from the enclosing csect. */ | |
809ffe0d ILT |
5154 | block = symbol_get_tc (sym)->within; |
5155 | csect = symbol_get_tc (block)->within; | |
6386f3a7 | 5156 | resolve_symbol_value (csect); |
252b5132 RH |
5157 | S_SET_VALUE (sym, S_GET_VALUE (sym) - S_GET_VALUE (csect)); |
5158 | } | |
5159 | else if (S_GET_STORAGE_CLASS (sym) == C_BINCL | |
5160 | || S_GET_STORAGE_CLASS (sym) == C_EINCL) | |
5161 | { | |
5162 | /* We want the value to be a file offset into the line numbers. | |
99a814a1 AM |
5163 | BFD will do that for us if we set the right flags. We have |
5164 | already set the value correctly. */ | |
809ffe0d | 5165 | coffsymbol (symbol_get_bfdsym (sym))->native->fix_line = 1; |
252b5132 RH |
5166 | } |
5167 | ||
5168 | return 0; | |
5169 | } | |
5170 | ||
5171 | /* Adjust the symbol table. This creates csect symbols for all | |
5172 | absolute symbols. */ | |
5173 | ||
5174 | void | |
98027b10 | 5175 | ppc_adjust_symtab (void) |
252b5132 RH |
5176 | { |
5177 | symbolS *sym; | |
5178 | ||
5179 | if (! ppc_saw_abs) | |
5180 | return; | |
5181 | ||
5182 | for (sym = symbol_rootP; sym != NULL; sym = symbol_next (sym)) | |
5183 | { | |
5184 | symbolS *csect; | |
5185 | int i; | |
5186 | union internal_auxent *a; | |
5187 | ||
5188 | if (S_GET_SEGMENT (sym) != absolute_section) | |
5189 | continue; | |
5190 | ||
5191 | csect = symbol_create (".abs[XO]", absolute_section, | |
5192 | S_GET_VALUE (sym), &zero_address_frag); | |
809ffe0d | 5193 | symbol_get_bfdsym (csect)->value = S_GET_VALUE (sym); |
252b5132 RH |
5194 | S_SET_STORAGE_CLASS (csect, C_HIDEXT); |
5195 | i = S_GET_NUMBER_AUXILIARY (csect); | |
5196 | S_SET_NUMBER_AUXILIARY (csect, i + 1); | |
809ffe0d | 5197 | a = &coffsymbol (symbol_get_bfdsym (csect))->native[i + 1].u.auxent; |
252b5132 RH |
5198 | a->x_csect.x_scnlen.l = 0; |
5199 | a->x_csect.x_smtyp = XTY_SD; | |
5200 | a->x_csect.x_parmhash = 0; | |
5201 | a->x_csect.x_snhash = 0; | |
5202 | a->x_csect.x_smclas = XMC_XO; | |
5203 | a->x_csect.x_stab = 0; | |
5204 | a->x_csect.x_snstab = 0; | |
5205 | ||
5206 | symbol_insert (csect, sym, &symbol_rootP, &symbol_lastP); | |
5207 | ||
5208 | i = S_GET_NUMBER_AUXILIARY (sym); | |
809ffe0d ILT |
5209 | a = &coffsymbol (symbol_get_bfdsym (sym))->native[i].u.auxent; |
5210 | a->x_csect.x_scnlen.p = coffsymbol (symbol_get_bfdsym (csect))->native; | |
5211 | coffsymbol (symbol_get_bfdsym (sym))->native[i].fix_scnlen = 1; | |
252b5132 RH |
5212 | } |
5213 | ||
b34976b6 | 5214 | ppc_saw_abs = FALSE; |
252b5132 RH |
5215 | } |
5216 | ||
5217 | /* Set the VMA for a section. This is called on all the sections in | |
5218 | turn. */ | |
5219 | ||
5220 | void | |
98027b10 | 5221 | ppc_frob_section (asection *sec) |
252b5132 | 5222 | { |
931e13a6 | 5223 | static bfd_vma vma = 0; |
252b5132 | 5224 | |
931e13a6 | 5225 | vma = md_section_align (sec, vma); |
252b5132 RH |
5226 | bfd_set_section_vma (stdoutput, sec, vma); |
5227 | vma += bfd_section_size (stdoutput, sec); | |
5228 | } | |
5229 | ||
5230 | #endif /* OBJ_XCOFF */ | |
5231 | \f | |
252b5132 | 5232 | char * |
98027b10 | 5233 | md_atof (int type, char *litp, int *sizep) |
252b5132 | 5234 | { |
499ac353 | 5235 | return ieee_md_atof (type, litp, sizep, target_big_endian); |
252b5132 RH |
5236 | } |
5237 | ||
5238 | /* Write a value out to the object file, using the appropriate | |
5239 | endianness. */ | |
5240 | ||
5241 | void | |
98027b10 | 5242 | md_number_to_chars (char *buf, valueT val, int n) |
252b5132 RH |
5243 | { |
5244 | if (target_big_endian) | |
5245 | number_to_chars_bigendian (buf, val, n); | |
5246 | else | |
5247 | number_to_chars_littleendian (buf, val, n); | |
5248 | } | |
5249 | ||
5250 | /* Align a section (I don't know why this is machine dependent). */ | |
5251 | ||
5252 | valueT | |
3aeeedbb | 5253 | md_section_align (asection *seg ATTRIBUTE_UNUSED, valueT addr) |
252b5132 | 5254 | { |
3aeeedbb AM |
5255 | #ifdef OBJ_ELF |
5256 | return addr; | |
5257 | #else | |
252b5132 RH |
5258 | int align = bfd_get_section_alignment (stdoutput, seg); |
5259 | ||
5260 | return ((addr + (1 << align) - 1) & (-1 << align)); | |
3aeeedbb | 5261 | #endif |
252b5132 RH |
5262 | } |
5263 | ||
5264 | /* We don't have any form of relaxing. */ | |
5265 | ||
5266 | int | |
98027b10 AM |
5267 | md_estimate_size_before_relax (fragS *fragp ATTRIBUTE_UNUSED, |
5268 | asection *seg ATTRIBUTE_UNUSED) | |
252b5132 RH |
5269 | { |
5270 | abort (); | |
5271 | return 0; | |
5272 | } | |
5273 | ||
5274 | /* Convert a machine dependent frag. We never generate these. */ | |
5275 | ||
5276 | void | |
98027b10 AM |
5277 | md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, |
5278 | asection *sec ATTRIBUTE_UNUSED, | |
5279 | fragS *fragp ATTRIBUTE_UNUSED) | |
252b5132 RH |
5280 | { |
5281 | abort (); | |
5282 | } | |
5283 | ||
5284 | /* We have no need to default values of symbols. */ | |
5285 | ||
252b5132 | 5286 | symbolS * |
98027b10 | 5287 | md_undefined_symbol (char *name ATTRIBUTE_UNUSED) |
252b5132 RH |
5288 | { |
5289 | return 0; | |
5290 | } | |
5291 | \f | |
5292 | /* Functions concerning relocs. */ | |
5293 | ||
5294 | /* The location from which a PC relative jump should be calculated, | |
5295 | given a PC relative reloc. */ | |
5296 | ||
5297 | long | |
98027b10 | 5298 | md_pcrel_from_section (fixS *fixp, segT sec ATTRIBUTE_UNUSED) |
252b5132 RH |
5299 | { |
5300 | return fixp->fx_frag->fr_address + fixp->fx_where; | |
5301 | } | |
5302 | ||
5303 | #ifdef OBJ_XCOFF | |
5304 | ||
5305 | /* This is called to see whether a fixup should be adjusted to use a | |
5306 | section symbol. We take the opportunity to change a fixup against | |
5307 | a symbol in the TOC subsegment into a reloc against the | |
5308 | corresponding .tc symbol. */ | |
5309 | ||
5310 | int | |
98027b10 | 5311 | ppc_fix_adjustable (fixS *fix) |
252b5132 | 5312 | { |
b782de16 AM |
5313 | valueT val = resolve_symbol_value (fix->fx_addsy); |
5314 | segT symseg = S_GET_SEGMENT (fix->fx_addsy); | |
5315 | TC_SYMFIELD_TYPE *tc; | |
5316 | ||
5317 | if (symseg == absolute_section) | |
5318 | return 0; | |
252b5132 | 5319 | |
252b5132 | 5320 | if (ppc_toc_csect != (symbolS *) NULL |
252b5132 | 5321 | && fix->fx_addsy != ppc_toc_csect |
b782de16 | 5322 | && symseg == data_section |
252b5132 RH |
5323 | && val >= ppc_toc_frag->fr_address |
5324 | && (ppc_after_toc_frag == (fragS *) NULL | |
5325 | || val < ppc_after_toc_frag->fr_address)) | |
5326 | { | |
5327 | symbolS *sy; | |
5328 | ||
5329 | for (sy = symbol_next (ppc_toc_csect); | |
5330 | sy != (symbolS *) NULL; | |
5331 | sy = symbol_next (sy)) | |
5332 | { | |
b782de16 AM |
5333 | TC_SYMFIELD_TYPE *sy_tc = symbol_get_tc (sy); |
5334 | ||
5335 | if (sy_tc->class == XMC_TC0) | |
252b5132 | 5336 | continue; |
b782de16 | 5337 | if (sy_tc->class != XMC_TC) |
252b5132 | 5338 | break; |
b782de16 | 5339 | if (val == resolve_symbol_value (sy)) |
252b5132 RH |
5340 | { |
5341 | fix->fx_addsy = sy; | |
5342 | fix->fx_addnumber = val - ppc_toc_frag->fr_address; | |
5343 | return 0; | |
5344 | } | |
5345 | } | |
5346 | ||
5347 | as_bad_where (fix->fx_file, fix->fx_line, | |
5348 | _("symbol in .toc does not match any .tc")); | |
5349 | } | |
5350 | ||
5351 | /* Possibly adjust the reloc to be against the csect. */ | |
b782de16 AM |
5352 | tc = symbol_get_tc (fix->fx_addsy); |
5353 | if (tc->subseg == 0 | |
5354 | && tc->class != XMC_TC0 | |
5355 | && tc->class != XMC_TC | |
5356 | && symseg != bss_section | |
252b5132 | 5357 | /* Don't adjust if this is a reloc in the toc section. */ |
b782de16 | 5358 | && (symseg != data_section |
252b5132 RH |
5359 | || ppc_toc_csect == NULL |
5360 | || val < ppc_toc_frag->fr_address | |
5361 | || (ppc_after_toc_frag != NULL | |
5362 | && val >= ppc_after_toc_frag->fr_address))) | |
5363 | { | |
5364 | symbolS *csect; | |
b782de16 | 5365 | symbolS *next_csect; |
252b5132 | 5366 | |
b782de16 | 5367 | if (symseg == text_section) |
252b5132 | 5368 | csect = ppc_text_csects; |
b782de16 | 5369 | else if (symseg == data_section) |
252b5132 RH |
5370 | csect = ppc_data_csects; |
5371 | else | |
5372 | abort (); | |
5373 | ||
5374 | /* Skip the initial dummy symbol. */ | |
809ffe0d | 5375 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
5376 | |
5377 | if (csect != (symbolS *) NULL) | |
5378 | { | |
b782de16 AM |
5379 | while ((next_csect = symbol_get_tc (csect)->next) != (symbolS *) NULL |
5380 | && (symbol_get_frag (next_csect)->fr_address <= val)) | |
252b5132 RH |
5381 | { |
5382 | /* If the csect address equals the symbol value, then we | |
99a814a1 AM |
5383 | have to look through the full symbol table to see |
5384 | whether this is the csect we want. Note that we will | |
5385 | only get here if the csect has zero length. */ | |
b782de16 AM |
5386 | if (symbol_get_frag (csect)->fr_address == val |
5387 | && S_GET_VALUE (csect) == val) | |
252b5132 RH |
5388 | { |
5389 | symbolS *scan; | |
5390 | ||
809ffe0d | 5391 | for (scan = symbol_next (csect); |
252b5132 | 5392 | scan != NULL; |
809ffe0d | 5393 | scan = symbol_next (scan)) |
252b5132 | 5394 | { |
809ffe0d | 5395 | if (symbol_get_tc (scan)->subseg != 0) |
252b5132 RH |
5396 | break; |
5397 | if (scan == fix->fx_addsy) | |
5398 | break; | |
5399 | } | |
5400 | ||
5401 | /* If we found the symbol before the next csect | |
99a814a1 | 5402 | symbol, then this is the csect we want. */ |
252b5132 RH |
5403 | if (scan == fix->fx_addsy) |
5404 | break; | |
5405 | } | |
5406 | ||
b782de16 | 5407 | csect = next_csect; |
252b5132 RH |
5408 | } |
5409 | ||
b782de16 | 5410 | fix->fx_offset += val - symbol_get_frag (csect)->fr_address; |
252b5132 RH |
5411 | fix->fx_addsy = csect; |
5412 | } | |
b782de16 | 5413 | return 0; |
252b5132 RH |
5414 | } |
5415 | ||
5416 | /* Adjust a reloc against a .lcomm symbol to be against the base | |
5417 | .lcomm. */ | |
b782de16 | 5418 | if (symseg == bss_section |
252b5132 RH |
5419 | && ! S_IS_EXTERNAL (fix->fx_addsy)) |
5420 | { | |
b782de16 AM |
5421 | symbolS *sy = symbol_get_frag (fix->fx_addsy)->fr_symbol; |
5422 | ||
5423 | fix->fx_offset += val - resolve_symbol_value (sy); | |
5424 | fix->fx_addsy = sy; | |
252b5132 RH |
5425 | } |
5426 | ||
5427 | return 0; | |
5428 | } | |
5429 | ||
5430 | /* A reloc from one csect to another must be kept. The assembler | |
5431 | will, of course, keep relocs between sections, and it will keep | |
5432 | absolute relocs, but we need to force it to keep PC relative relocs | |
5433 | between two csects in the same section. */ | |
5434 | ||
5435 | int | |
98027b10 | 5436 | ppc_force_relocation (fixS *fix) |
252b5132 RH |
5437 | { |
5438 | /* At this point fix->fx_addsy should already have been converted to | |
5439 | a csect symbol. If the csect does not include the fragment, then | |
5440 | we need to force the relocation. */ | |
5441 | if (fix->fx_pcrel | |
5442 | && fix->fx_addsy != NULL | |
809ffe0d ILT |
5443 | && symbol_get_tc (fix->fx_addsy)->subseg != 0 |
5444 | && ((symbol_get_frag (fix->fx_addsy)->fr_address | |
5445 | > fix->fx_frag->fr_address) | |
5446 | || (symbol_get_tc (fix->fx_addsy)->next != NULL | |
5447 | && (symbol_get_frag (symbol_get_tc (fix->fx_addsy)->next)->fr_address | |
252b5132 RH |
5448 | <= fix->fx_frag->fr_address)))) |
5449 | return 1; | |
5450 | ||
ae6063d4 | 5451 | return generic_force_reloc (fix); |
252b5132 RH |
5452 | } |
5453 | ||
5454 | #endif /* OBJ_XCOFF */ | |
5455 | ||
0baf16f2 | 5456 | #ifdef OBJ_ELF |
a161fe53 AM |
5457 | /* If this function returns non-zero, it guarantees that a relocation |
5458 | will be emitted for a fixup. */ | |
5459 | ||
5460 | int | |
98027b10 | 5461 | ppc_force_relocation (fixS *fix) |
a161fe53 AM |
5462 | { |
5463 | /* Branch prediction relocations must force a relocation, as must | |
5464 | the vtable description relocs. */ | |
5465 | switch (fix->fx_r_type) | |
5466 | { | |
5467 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
5468 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
5469 | case BFD_RELOC_PPC_BA16_BRTAKEN: | |
5470 | case BFD_RELOC_PPC_BA16_BRNTAKEN: | |
c744ecf2 | 5471 | case BFD_RELOC_24_PLT_PCREL: |
a161fe53 | 5472 | case BFD_RELOC_PPC64_TOC: |
a161fe53 AM |
5473 | return 1; |
5474 | default: | |
5475 | break; | |
5476 | } | |
5477 | ||
cdba85ec AM |
5478 | if (fix->fx_r_type >= BFD_RELOC_PPC_TLS |
5479 | && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA) | |
5480 | return 1; | |
5481 | ||
ae6063d4 | 5482 | return generic_force_reloc (fix); |
a161fe53 AM |
5483 | } |
5484 | ||
0baf16f2 | 5485 | int |
98027b10 | 5486 | ppc_fix_adjustable (fixS *fix) |
252b5132 | 5487 | { |
0baf16f2 AM |
5488 | return (fix->fx_r_type != BFD_RELOC_16_GOTOFF |
5489 | && fix->fx_r_type != BFD_RELOC_LO16_GOTOFF | |
5490 | && fix->fx_r_type != BFD_RELOC_HI16_GOTOFF | |
5491 | && fix->fx_r_type != BFD_RELOC_HI16_S_GOTOFF | |
5492 | && fix->fx_r_type != BFD_RELOC_GPREL16 | |
5493 | && fix->fx_r_type != BFD_RELOC_VTABLE_INHERIT | |
5494 | && fix->fx_r_type != BFD_RELOC_VTABLE_ENTRY | |
cdba85ec | 5495 | && !(fix->fx_r_type >= BFD_RELOC_PPC_TLS |
ab1e9ef7 | 5496 | && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA)); |
252b5132 | 5497 | } |
0baf16f2 | 5498 | #endif |
252b5132 | 5499 | |
3aeeedbb AM |
5500 | /* Implement HANDLE_ALIGN. This writes the NOP pattern into an |
5501 | rs_align_code frag. */ | |
5502 | ||
5503 | void | |
5504 | ppc_handle_align (struct frag *fragP) | |
5505 | { | |
5506 | valueT count = (fragP->fr_next->fr_address | |
5507 | - (fragP->fr_address + fragP->fr_fix)); | |
5508 | ||
5509 | if (count != 0 && (count & 3) == 0) | |
5510 | { | |
5511 | char *dest = fragP->fr_literal + fragP->fr_fix; | |
5512 | ||
5513 | fragP->fr_var = 4; | |
5514 | md_number_to_chars (dest, 0x60000000, 4); | |
5515 | ||
5516 | if ((ppc_cpu & PPC_OPCODE_POWER6) != 0) | |
5517 | { | |
5518 | /* For power6, we want the last nop to be a group terminating | |
5519 | one, "ori 1,1,0". Do this by inserting an rs_fill frag | |
5520 | immediately after this one, with its address set to the last | |
5521 | nop location. This will automatically reduce the number of | |
5522 | nops in the current frag by one. */ | |
5523 | if (count > 4) | |
5524 | { | |
5525 | struct frag *group_nop = xmalloc (SIZEOF_STRUCT_FRAG + 4); | |
5526 | ||
5527 | memcpy (group_nop, fragP, SIZEOF_STRUCT_FRAG); | |
5528 | group_nop->fr_address = group_nop->fr_next->fr_address - 4; | |
5529 | group_nop->fr_fix = 0; | |
5530 | group_nop->fr_offset = 1; | |
5531 | group_nop->fr_type = rs_fill; | |
5532 | fragP->fr_next = group_nop; | |
5533 | dest = group_nop->fr_literal; | |
5534 | } | |
5535 | ||
5536 | md_number_to_chars (dest, 0x60210000, 4); | |
5537 | } | |
5538 | } | |
5539 | } | |
5540 | ||
252b5132 RH |
5541 | /* Apply a fixup to the object code. This is called for all the |
5542 | fixups we generated by the call to fix_new_exp, above. In the call | |
5543 | above we used a reloc code which was the largest legal reloc code | |
5544 | plus the operand index. Here we undo that to recover the operand | |
5545 | index. At this point all symbol values should be fully resolved, | |
5546 | and we attempt to completely resolve the reloc. If we can not do | |
5547 | that, we determine the correct reloc code and put it back in the | |
5548 | fixup. */ | |
5549 | ||
94f592af | 5550 | void |
98027b10 | 5551 | md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) |
252b5132 | 5552 | { |
94f592af | 5553 | valueT value = * valP; |
252b5132 RH |
5554 | |
5555 | #ifdef OBJ_ELF | |
94f592af | 5556 | if (fixP->fx_addsy != NULL) |
252b5132 | 5557 | { |
a161fe53 | 5558 | /* Hack around bfd_install_relocation brain damage. */ |
94f592af NC |
5559 | if (fixP->fx_pcrel) |
5560 | value += fixP->fx_frag->fr_address + fixP->fx_where; | |
252b5132 RH |
5561 | } |
5562 | else | |
94f592af | 5563 | fixP->fx_done = 1; |
252b5132 | 5564 | #else |
a161fe53 | 5565 | /* FIXME FIXME FIXME: The value we are passed in *valP includes |
7be1c489 AM |
5566 | the symbol values. If we are doing this relocation the code in |
5567 | write.c is going to call bfd_install_relocation, which is also | |
5568 | going to use the symbol value. That means that if the reloc is | |
5569 | fully resolved we want to use *valP since bfd_install_relocation is | |
5570 | not being used. | |
252b5132 | 5571 | However, if the reloc is not fully resolved we do not want to use |
a161fe53 AM |
5572 | *valP, and must use fx_offset instead. However, if the reloc |
5573 | is PC relative, we do want to use *valP since it includes the | |
252b5132 | 5574 | result of md_pcrel_from. This is confusing. */ |
94f592af NC |
5575 | if (fixP->fx_addsy == (symbolS *) NULL) |
5576 | fixP->fx_done = 1; | |
5577 | ||
5578 | else if (fixP->fx_pcrel) | |
5579 | ; | |
5580 | ||
252b5132 | 5581 | else |
a161fe53 AM |
5582 | value = fixP->fx_offset; |
5583 | #endif | |
5584 | ||
5585 | if (fixP->fx_subsy != (symbolS *) NULL) | |
252b5132 | 5586 | { |
a161fe53 AM |
5587 | /* We can't actually support subtracting a symbol. */ |
5588 | as_bad_where (fixP->fx_file, fixP->fx_line, _("expression too complex")); | |
252b5132 | 5589 | } |
252b5132 | 5590 | |
94f592af | 5591 | if ((int) fixP->fx_r_type >= (int) BFD_RELOC_UNUSED) |
252b5132 RH |
5592 | { |
5593 | int opindex; | |
5594 | const struct powerpc_operand *operand; | |
5595 | char *where; | |
5596 | unsigned long insn; | |
5597 | ||
94f592af | 5598 | opindex = (int) fixP->fx_r_type - (int) BFD_RELOC_UNUSED; |
252b5132 RH |
5599 | |
5600 | operand = &powerpc_operands[opindex]; | |
5601 | ||
5602 | #ifdef OBJ_XCOFF | |
0baf16f2 AM |
5603 | /* An instruction like `lwz 9,sym(30)' when `sym' is not a TOC symbol |
5604 | does not generate a reloc. It uses the offset of `sym' within its | |
5605 | csect. Other usages, such as `.long sym', generate relocs. This | |
5606 | is the documented behaviour of non-TOC symbols. */ | |
252b5132 | 5607 | if ((operand->flags & PPC_OPERAND_PARENS) != 0 |
b84bf58a | 5608 | && (operand->bitm & 0xfff0) == 0xfff0 |
252b5132 | 5609 | && operand->shift == 0 |
2b3c4602 | 5610 | && (operand->insert == NULL || ppc_obj64) |
94f592af NC |
5611 | && fixP->fx_addsy != NULL |
5612 | && symbol_get_tc (fixP->fx_addsy)->subseg != 0 | |
5613 | && symbol_get_tc (fixP->fx_addsy)->class != XMC_TC | |
5614 | && symbol_get_tc (fixP->fx_addsy)->class != XMC_TC0 | |
5615 | && S_GET_SEGMENT (fixP->fx_addsy) != bss_section) | |
252b5132 | 5616 | { |
94f592af NC |
5617 | value = fixP->fx_offset; |
5618 | fixP->fx_done = 1; | |
252b5132 RH |
5619 | } |
5620 | #endif | |
5621 | ||
5622 | /* Fetch the instruction, insert the fully resolved operand | |
5623 | value, and stuff the instruction back again. */ | |
94f592af | 5624 | where = fixP->fx_frag->fr_literal + fixP->fx_where; |
252b5132 RH |
5625 | if (target_big_endian) |
5626 | insn = bfd_getb32 ((unsigned char *) where); | |
5627 | else | |
5628 | insn = bfd_getl32 ((unsigned char *) where); | |
5629 | insn = ppc_insert_operand (insn, operand, (offsetT) value, | |
94f592af | 5630 | fixP->fx_file, fixP->fx_line); |
252b5132 RH |
5631 | if (target_big_endian) |
5632 | bfd_putb32 ((bfd_vma) insn, (unsigned char *) where); | |
5633 | else | |
5634 | bfd_putl32 ((bfd_vma) insn, (unsigned char *) where); | |
5635 | ||
94f592af NC |
5636 | if (fixP->fx_done) |
5637 | /* Nothing else to do here. */ | |
5638 | return; | |
252b5132 | 5639 | |
94f592af | 5640 | assert (fixP->fx_addsy != NULL); |
0baf16f2 | 5641 | |
252b5132 RH |
5642 | /* Determine a BFD reloc value based on the operand information. |
5643 | We are only prepared to turn a few of the operands into | |
0baf16f2 | 5644 | relocs. */ |
11b37b7b | 5645 | if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 |
b84bf58a | 5646 | && operand->bitm == 0x3fffffc |
11b37b7b | 5647 | && operand->shift == 0) |
94f592af | 5648 | fixP->fx_r_type = BFD_RELOC_PPC_B26; |
11b37b7b | 5649 | else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 |
b84bf58a | 5650 | && operand->bitm == 0xfffc |
11b37b7b | 5651 | && operand->shift == 0) |
95210096 AM |
5652 | { |
5653 | fixP->fx_r_type = BFD_RELOC_PPC_B16; | |
5654 | #ifdef OBJ_XCOFF | |
5655 | fixP->fx_size = 2; | |
5656 | if (target_big_endian) | |
5657 | fixP->fx_where += 2; | |
5658 | #endif | |
5659 | } | |
11b37b7b | 5660 | else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0 |
b84bf58a | 5661 | && operand->bitm == 0x3fffffc |
11b37b7b | 5662 | && operand->shift == 0) |
94f592af | 5663 | fixP->fx_r_type = BFD_RELOC_PPC_BA26; |
11b37b7b | 5664 | else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0 |
b84bf58a | 5665 | && operand->bitm == 0xfffc |
11b37b7b | 5666 | && operand->shift == 0) |
95210096 AM |
5667 | { |
5668 | fixP->fx_r_type = BFD_RELOC_PPC_BA16; | |
5669 | #ifdef OBJ_XCOFF | |
5670 | fixP->fx_size = 2; | |
5671 | if (target_big_endian) | |
5672 | fixP->fx_where += 2; | |
5673 | #endif | |
5674 | } | |
0baf16f2 | 5675 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
11b37b7b | 5676 | else if ((operand->flags & PPC_OPERAND_PARENS) != 0 |
b84bf58a | 5677 | && (operand->bitm & 0xfff0) == 0xfff0 |
a7fc733f | 5678 | && operand->shift == 0) |
11b37b7b | 5679 | { |
a7fc733f AM |
5680 | if (ppc_is_toc_sym (fixP->fx_addsy)) |
5681 | { | |
5682 | fixP->fx_r_type = BFD_RELOC_PPC_TOC16; | |
0baf16f2 | 5683 | #ifdef OBJ_ELF |
a7fc733f AM |
5684 | if (ppc_obj64 |
5685 | && (operand->flags & PPC_OPERAND_DS) != 0) | |
5686 | fixP->fx_r_type = BFD_RELOC_PPC64_TOC16_DS; | |
5687 | #endif | |
5688 | } | |
5689 | else | |
5690 | { | |
5691 | fixP->fx_r_type = BFD_RELOC_16; | |
5692 | #ifdef OBJ_ELF | |
5693 | if (ppc_obj64 | |
5694 | && (operand->flags & PPC_OPERAND_DS) != 0) | |
5695 | fixP->fx_r_type = BFD_RELOC_PPC64_ADDR16_DS; | |
0baf16f2 | 5696 | #endif |
a7fc733f | 5697 | } |
94f592af | 5698 | fixP->fx_size = 2; |
11b37b7b | 5699 | if (target_big_endian) |
94f592af | 5700 | fixP->fx_where += 2; |
11b37b7b | 5701 | } |
0baf16f2 | 5702 | #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */ |
11b37b7b | 5703 | else |
252b5132 RH |
5704 | { |
5705 | char *sfile; | |
5706 | unsigned int sline; | |
5707 | ||
5708 | /* Use expr_symbol_where to see if this is an expression | |
0baf16f2 | 5709 | symbol. */ |
94f592af NC |
5710 | if (expr_symbol_where (fixP->fx_addsy, &sfile, &sline)) |
5711 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
252b5132 RH |
5712 | _("unresolved expression that must be resolved")); |
5713 | else | |
94f592af | 5714 | as_bad_where (fixP->fx_file, fixP->fx_line, |
0baf16f2 | 5715 | _("unsupported relocation against %s"), |
94f592af NC |
5716 | S_GET_NAME (fixP->fx_addsy)); |
5717 | fixP->fx_done = 1; | |
5718 | return; | |
252b5132 RH |
5719 | } |
5720 | } | |
5721 | else | |
5722 | { | |
5723 | #ifdef OBJ_ELF | |
94f592af | 5724 | ppc_elf_validate_fix (fixP, seg); |
252b5132 | 5725 | #endif |
94f592af | 5726 | switch (fixP->fx_r_type) |
252b5132 | 5727 | { |
252b5132 | 5728 | case BFD_RELOC_CTOR: |
2b3c4602 | 5729 | if (ppc_obj64) |
9c7977b3 AM |
5730 | goto ctor64; |
5731 | /* fall through */ | |
5732 | ||
0baf16f2 | 5733 | case BFD_RELOC_32: |
94f592af NC |
5734 | if (fixP->fx_pcrel) |
5735 | fixP->fx_r_type = BFD_RELOC_32_PCREL; | |
99a814a1 | 5736 | /* fall through */ |
252b5132 RH |
5737 | |
5738 | case BFD_RELOC_RVA: | |
5739 | case BFD_RELOC_32_PCREL: | |
252b5132 | 5740 | case BFD_RELOC_PPC_EMB_NADDR32: |
94f592af | 5741 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
252b5132 RH |
5742 | value, 4); |
5743 | break; | |
5744 | ||
7f6d05e8 | 5745 | case BFD_RELOC_64: |
9c7977b3 | 5746 | ctor64: |
94f592af NC |
5747 | if (fixP->fx_pcrel) |
5748 | fixP->fx_r_type = BFD_RELOC_64_PCREL; | |
99a814a1 | 5749 | /* fall through */ |
0baf16f2 | 5750 | |
7f6d05e8 | 5751 | case BFD_RELOC_64_PCREL: |
94f592af | 5752 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
7f6d05e8 | 5753 | value, 8); |
81d4177b | 5754 | break; |
0baf16f2 | 5755 | |
252b5132 RH |
5756 | case BFD_RELOC_GPREL16: |
5757 | case BFD_RELOC_16_GOT_PCREL: | |
5758 | case BFD_RELOC_16_GOTOFF: | |
5759 | case BFD_RELOC_LO16_GOTOFF: | |
5760 | case BFD_RELOC_HI16_GOTOFF: | |
5761 | case BFD_RELOC_HI16_S_GOTOFF: | |
1cfc59d5 | 5762 | case BFD_RELOC_16_BASEREL: |
252b5132 RH |
5763 | case BFD_RELOC_LO16_BASEREL: |
5764 | case BFD_RELOC_HI16_BASEREL: | |
5765 | case BFD_RELOC_HI16_S_BASEREL: | |
5766 | case BFD_RELOC_PPC_EMB_NADDR16: | |
5767 | case BFD_RELOC_PPC_EMB_NADDR16_LO: | |
5768 | case BFD_RELOC_PPC_EMB_NADDR16_HI: | |
5769 | case BFD_RELOC_PPC_EMB_NADDR16_HA: | |
5770 | case BFD_RELOC_PPC_EMB_SDAI16: | |
5771 | case BFD_RELOC_PPC_EMB_SDA2REL: | |
5772 | case BFD_RELOC_PPC_EMB_SDA2I16: | |
5773 | case BFD_RELOC_PPC_EMB_RELSEC16: | |
5774 | case BFD_RELOC_PPC_EMB_RELST_LO: | |
5775 | case BFD_RELOC_PPC_EMB_RELST_HI: | |
5776 | case BFD_RELOC_PPC_EMB_RELST_HA: | |
5777 | case BFD_RELOC_PPC_EMB_RELSDA: | |
5778 | case BFD_RELOC_PPC_TOC16: | |
0baf16f2 | 5779 | #ifdef OBJ_ELF |
0baf16f2 AM |
5780 | case BFD_RELOC_PPC64_TOC16_LO: |
5781 | case BFD_RELOC_PPC64_TOC16_HI: | |
5782 | case BFD_RELOC_PPC64_TOC16_HA: | |
0baf16f2 | 5783 | #endif |
94f592af | 5784 | if (fixP->fx_pcrel) |
252b5132 | 5785 | { |
94f592af NC |
5786 | if (fixP->fx_addsy != NULL) |
5787 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
252b5132 | 5788 | _("cannot emit PC relative %s relocation against %s"), |
94f592af NC |
5789 | bfd_get_reloc_code_name (fixP->fx_r_type), |
5790 | S_GET_NAME (fixP->fx_addsy)); | |
252b5132 | 5791 | else |
94f592af | 5792 | as_bad_where (fixP->fx_file, fixP->fx_line, |
252b5132 | 5793 | _("cannot emit PC relative %s relocation"), |
94f592af | 5794 | bfd_get_reloc_code_name (fixP->fx_r_type)); |
252b5132 RH |
5795 | } |
5796 | ||
94f592af | 5797 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
252b5132 RH |
5798 | value, 2); |
5799 | break; | |
5800 | ||
3c9d25f4 AM |
5801 | case BFD_RELOC_16: |
5802 | if (fixP->fx_pcrel) | |
5803 | fixP->fx_r_type = BFD_RELOC_16_PCREL; | |
5804 | /* fall through */ | |
5805 | ||
5806 | case BFD_RELOC_16_PCREL: | |
5807 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, | |
5808 | value, 2); | |
5809 | break; | |
5810 | ||
5811 | case BFD_RELOC_LO16: | |
5812 | if (fixP->fx_pcrel) | |
5813 | fixP->fx_r_type = BFD_RELOC_LO16_PCREL; | |
5814 | /* fall through */ | |
5815 | ||
5816 | case BFD_RELOC_LO16_PCREL: | |
5817 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, | |
5818 | value, 2); | |
5819 | break; | |
5820 | ||
252b5132 RH |
5821 | /* This case happens when you write, for example, |
5822 | lis %r3,(L1-L2)@ha | |
5823 | where L1 and L2 are defined later. */ | |
5824 | case BFD_RELOC_HI16: | |
94f592af | 5825 | if (fixP->fx_pcrel) |
3c9d25f4 AM |
5826 | fixP->fx_r_type = BFD_RELOC_HI16_PCREL; |
5827 | /* fall through */ | |
5828 | ||
5829 | case BFD_RELOC_HI16_PCREL: | |
94f592af | 5830 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 | 5831 | PPC_HI (value), 2); |
252b5132 | 5832 | break; |
0baf16f2 | 5833 | |
252b5132 | 5834 | case BFD_RELOC_HI16_S: |
94f592af | 5835 | if (fixP->fx_pcrel) |
3c9d25f4 AM |
5836 | fixP->fx_r_type = BFD_RELOC_HI16_S_PCREL; |
5837 | /* fall through */ | |
5838 | ||
5839 | case BFD_RELOC_HI16_S_PCREL: | |
94f592af | 5840 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
5841 | PPC_HA (value), 2); |
5842 | break; | |
5843 | ||
5844 | #ifdef OBJ_ELF | |
0baf16f2 | 5845 | case BFD_RELOC_PPC64_HIGHER: |
94f592af | 5846 | if (fixP->fx_pcrel) |
0baf16f2 | 5847 | abort (); |
94f592af | 5848 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 | 5849 | PPC_HIGHER (value), 2); |
252b5132 RH |
5850 | break; |
5851 | ||
0baf16f2 | 5852 | case BFD_RELOC_PPC64_HIGHER_S: |
94f592af | 5853 | if (fixP->fx_pcrel) |
0baf16f2 | 5854 | abort (); |
94f592af | 5855 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
5856 | PPC_HIGHERA (value), 2); |
5857 | break; | |
5858 | ||
5859 | case BFD_RELOC_PPC64_HIGHEST: | |
94f592af | 5860 | if (fixP->fx_pcrel) |
0baf16f2 | 5861 | abort (); |
94f592af | 5862 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
5863 | PPC_HIGHEST (value), 2); |
5864 | break; | |
5865 | ||
5866 | case BFD_RELOC_PPC64_HIGHEST_S: | |
94f592af | 5867 | if (fixP->fx_pcrel) |
0baf16f2 | 5868 | abort (); |
94f592af | 5869 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
5870 | PPC_HIGHESTA (value), 2); |
5871 | break; | |
5872 | ||
5873 | case BFD_RELOC_PPC64_ADDR16_DS: | |
5874 | case BFD_RELOC_PPC64_ADDR16_LO_DS: | |
5875 | case BFD_RELOC_PPC64_GOT16_DS: | |
5876 | case BFD_RELOC_PPC64_GOT16_LO_DS: | |
5877 | case BFD_RELOC_PPC64_PLT16_LO_DS: | |
5878 | case BFD_RELOC_PPC64_SECTOFF_DS: | |
5879 | case BFD_RELOC_PPC64_SECTOFF_LO_DS: | |
5880 | case BFD_RELOC_PPC64_TOC16_DS: | |
5881 | case BFD_RELOC_PPC64_TOC16_LO_DS: | |
5882 | case BFD_RELOC_PPC64_PLTGOT16_DS: | |
5883 | case BFD_RELOC_PPC64_PLTGOT16_LO_DS: | |
94f592af | 5884 | if (fixP->fx_pcrel) |
0baf16f2 AM |
5885 | abort (); |
5886 | { | |
2132e3a3 | 5887 | char *where = fixP->fx_frag->fr_literal + fixP->fx_where; |
3d8aea2f | 5888 | unsigned long val, mask; |
0baf16f2 AM |
5889 | |
5890 | if (target_big_endian) | |
adadcc0c | 5891 | val = bfd_getb32 (where - 2); |
0baf16f2 | 5892 | else |
adadcc0c AM |
5893 | val = bfd_getl32 (where); |
5894 | mask = 0xfffc; | |
5895 | /* lq insns reserve the four lsbs. */ | |
5896 | if ((ppc_cpu & PPC_OPCODE_POWER4) != 0 | |
77a6138a | 5897 | && (val & (0x3f << 26)) == (56u << 26)) |
adadcc0c AM |
5898 | mask = 0xfff0; |
5899 | val |= value & mask; | |
0baf16f2 AM |
5900 | if (target_big_endian) |
5901 | bfd_putb16 ((bfd_vma) val, where); | |
5902 | else | |
5903 | bfd_putl16 ((bfd_vma) val, where); | |
5904 | } | |
5905 | break; | |
cdba85ec | 5906 | |
ba0b2174 AM |
5907 | case BFD_RELOC_PPC_B16_BRTAKEN: |
5908 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
5909 | case BFD_RELOC_PPC_BA16_BRTAKEN: | |
5910 | case BFD_RELOC_PPC_BA16_BRNTAKEN: | |
5911 | break; | |
5912 | ||
cdba85ec | 5913 | case BFD_RELOC_PPC_TLS: |
7c1d0959 L |
5914 | break; |
5915 | ||
cdba85ec AM |
5916 | case BFD_RELOC_PPC_DTPMOD: |
5917 | case BFD_RELOC_PPC_TPREL16: | |
5918 | case BFD_RELOC_PPC_TPREL16_LO: | |
5919 | case BFD_RELOC_PPC_TPREL16_HI: | |
5920 | case BFD_RELOC_PPC_TPREL16_HA: | |
5921 | case BFD_RELOC_PPC_TPREL: | |
5922 | case BFD_RELOC_PPC_DTPREL16: | |
5923 | case BFD_RELOC_PPC_DTPREL16_LO: | |
5924 | case BFD_RELOC_PPC_DTPREL16_HI: | |
5925 | case BFD_RELOC_PPC_DTPREL16_HA: | |
5926 | case BFD_RELOC_PPC_DTPREL: | |
5927 | case BFD_RELOC_PPC_GOT_TLSGD16: | |
5928 | case BFD_RELOC_PPC_GOT_TLSGD16_LO: | |
5929 | case BFD_RELOC_PPC_GOT_TLSGD16_HI: | |
5930 | case BFD_RELOC_PPC_GOT_TLSGD16_HA: | |
5931 | case BFD_RELOC_PPC_GOT_TLSLD16: | |
5932 | case BFD_RELOC_PPC_GOT_TLSLD16_LO: | |
5933 | case BFD_RELOC_PPC_GOT_TLSLD16_HI: | |
5934 | case BFD_RELOC_PPC_GOT_TLSLD16_HA: | |
5935 | case BFD_RELOC_PPC_GOT_TPREL16: | |
5936 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
5937 | case BFD_RELOC_PPC_GOT_TPREL16_HI: | |
5938 | case BFD_RELOC_PPC_GOT_TPREL16_HA: | |
5939 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
5940 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
5941 | case BFD_RELOC_PPC_GOT_DTPREL16_HI: | |
5942 | case BFD_RELOC_PPC_GOT_DTPREL16_HA: | |
5943 | case BFD_RELOC_PPC64_TPREL16_DS: | |
5944 | case BFD_RELOC_PPC64_TPREL16_LO_DS: | |
5945 | case BFD_RELOC_PPC64_TPREL16_HIGHER: | |
5946 | case BFD_RELOC_PPC64_TPREL16_HIGHERA: | |
5947 | case BFD_RELOC_PPC64_TPREL16_HIGHEST: | |
5948 | case BFD_RELOC_PPC64_TPREL16_HIGHESTA: | |
5949 | case BFD_RELOC_PPC64_DTPREL16_DS: | |
5950 | case BFD_RELOC_PPC64_DTPREL16_LO_DS: | |
5951 | case BFD_RELOC_PPC64_DTPREL16_HIGHER: | |
5952 | case BFD_RELOC_PPC64_DTPREL16_HIGHERA: | |
5953 | case BFD_RELOC_PPC64_DTPREL16_HIGHEST: | |
5954 | case BFD_RELOC_PPC64_DTPREL16_HIGHESTA: | |
7c1d0959 | 5955 | S_SET_THREAD_LOCAL (fixP->fx_addsy); |
cdba85ec | 5956 | break; |
0baf16f2 | 5957 | #endif |
252b5132 | 5958 | /* Because SDA21 modifies the register field, the size is set to 4 |
99a814a1 | 5959 | bytes, rather than 2, so offset it here appropriately. */ |
252b5132 | 5960 | case BFD_RELOC_PPC_EMB_SDA21: |
94f592af | 5961 | if (fixP->fx_pcrel) |
252b5132 RH |
5962 | abort (); |
5963 | ||
94f592af | 5964 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where |
252b5132 RH |
5965 | + ((target_big_endian) ? 2 : 0), |
5966 | value, 2); | |
5967 | break; | |
5968 | ||
5969 | case BFD_RELOC_8: | |
94f592af | 5970 | if (fixP->fx_pcrel) |
31a91399 NC |
5971 | { |
5972 | /* This can occur if there is a bug in the input assembler, eg: | |
b7d7dc63 | 5973 | ".byte <undefined_symbol> - ." */ |
31a91399 NC |
5974 | if (fixP->fx_addsy) |
5975 | as_bad (_("Unable to handle reference to symbol %s"), | |
5976 | S_GET_NAME (fixP->fx_addsy)); | |
5977 | else | |
5978 | as_bad (_("Unable to resolve expression")); | |
5979 | fixP->fx_done = 1; | |
5980 | } | |
5981 | else | |
5982 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, | |
5983 | value, 1); | |
252b5132 RH |
5984 | break; |
5985 | ||
5986 | case BFD_RELOC_24_PLT_PCREL: | |
5987 | case BFD_RELOC_PPC_LOCAL24PC: | |
94f592af | 5988 | if (!fixP->fx_pcrel && !fixP->fx_done) |
252b5132 RH |
5989 | abort (); |
5990 | ||
94f592af | 5991 | if (fixP->fx_done) |
99a814a1 AM |
5992 | { |
5993 | char *where; | |
5994 | unsigned long insn; | |
5995 | ||
5996 | /* Fetch the instruction, insert the fully resolved operand | |
5997 | value, and stuff the instruction back again. */ | |
94f592af | 5998 | where = fixP->fx_frag->fr_literal + fixP->fx_where; |
99a814a1 AM |
5999 | if (target_big_endian) |
6000 | insn = bfd_getb32 ((unsigned char *) where); | |
6001 | else | |
6002 | insn = bfd_getl32 ((unsigned char *) where); | |
6003 | if ((value & 3) != 0) | |
94f592af | 6004 | as_bad_where (fixP->fx_file, fixP->fx_line, |
99a814a1 AM |
6005 | _("must branch to an address a multiple of 4")); |
6006 | if ((offsetT) value < -0x40000000 | |
6007 | || (offsetT) value >= 0x40000000) | |
94f592af | 6008 | as_bad_where (fixP->fx_file, fixP->fx_line, |
99a814a1 AM |
6009 | _("@local or @plt branch destination is too far away, %ld bytes"), |
6010 | (long) value); | |
6011 | insn = insn | (value & 0x03fffffc); | |
6012 | if (target_big_endian) | |
6013 | bfd_putb32 ((bfd_vma) insn, (unsigned char *) where); | |
6014 | else | |
6015 | bfd_putl32 ((bfd_vma) insn, (unsigned char *) where); | |
6016 | } | |
252b5132 RH |
6017 | break; |
6018 | ||
6019 | case BFD_RELOC_VTABLE_INHERIT: | |
94f592af NC |
6020 | fixP->fx_done = 0; |
6021 | if (fixP->fx_addsy | |
6022 | && !S_IS_DEFINED (fixP->fx_addsy) | |
6023 | && !S_IS_WEAK (fixP->fx_addsy)) | |
6024 | S_SET_WEAK (fixP->fx_addsy); | |
252b5132 RH |
6025 | break; |
6026 | ||
6027 | case BFD_RELOC_VTABLE_ENTRY: | |
94f592af | 6028 | fixP->fx_done = 0; |
252b5132 RH |
6029 | break; |
6030 | ||
0baf16f2 | 6031 | #ifdef OBJ_ELF |
0baf16f2 AM |
6032 | /* Generated by reference to `sym@tocbase'. The sym is |
6033 | ignored by the linker. */ | |
6034 | case BFD_RELOC_PPC64_TOC: | |
94f592af | 6035 | fixP->fx_done = 0; |
0baf16f2 | 6036 | break; |
0baf16f2 | 6037 | #endif |
252b5132 | 6038 | default: |
bc805888 | 6039 | fprintf (stderr, |
94f592af | 6040 | _("Gas failure, reloc value %d\n"), fixP->fx_r_type); |
99a814a1 | 6041 | fflush (stderr); |
252b5132 RH |
6042 | abort (); |
6043 | } | |
6044 | } | |
6045 | ||
6046 | #ifdef OBJ_ELF | |
94f592af | 6047 | fixP->fx_addnumber = value; |
4e6935a6 AM |
6048 | |
6049 | /* PowerPC uses RELA relocs, ie. the reloc addend is stored separately | |
6050 | from the section contents. If we are going to be emitting a reloc | |
6051 | then the section contents are immaterial, so don't warn if they | |
6052 | happen to overflow. Leave such warnings to ld. */ | |
6053 | if (!fixP->fx_done) | |
6054 | fixP->fx_no_overflow = 1; | |
252b5132 | 6055 | #else |
94f592af NC |
6056 | if (fixP->fx_r_type != BFD_RELOC_PPC_TOC16) |
6057 | fixP->fx_addnumber = 0; | |
252b5132 RH |
6058 | else |
6059 | { | |
6060 | #ifdef TE_PE | |
94f592af | 6061 | fixP->fx_addnumber = 0; |
252b5132 | 6062 | #else |
8edcbfcd TG |
6063 | /* We want to use the offset within the toc, not the actual VMA |
6064 | of the symbol. */ | |
94f592af | 6065 | fixP->fx_addnumber = |
8edcbfcd TG |
6066 | - bfd_get_section_vma (stdoutput, S_GET_SEGMENT (fixP->fx_addsy)) |
6067 | - S_GET_VALUE (ppc_toc_csect); | |
252b5132 RH |
6068 | #endif |
6069 | } | |
6070 | #endif | |
252b5132 RH |
6071 | } |
6072 | ||
6073 | /* Generate a reloc for a fixup. */ | |
6074 | ||
6075 | arelent * | |
98027b10 | 6076 | tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED, fixS *fixp) |
252b5132 RH |
6077 | { |
6078 | arelent *reloc; | |
6079 | ||
6080 | reloc = (arelent *) xmalloc (sizeof (arelent)); | |
6081 | ||
49309057 ILT |
6082 | reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); |
6083 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
252b5132 RH |
6084 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; |
6085 | reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type); | |
6086 | if (reloc->howto == (reloc_howto_type *) NULL) | |
6087 | { | |
6088 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
99a814a1 AM |
6089 | _("reloc %d not supported by object file format"), |
6090 | (int) fixp->fx_r_type); | |
252b5132 RH |
6091 | return NULL; |
6092 | } | |
6093 | reloc->addend = fixp->fx_addnumber; | |
6094 | ||
6095 | return reloc; | |
6096 | } | |
75e21f08 JJ |
6097 | |
6098 | void | |
98027b10 | 6099 | ppc_cfi_frame_initial_instructions (void) |
75e21f08 JJ |
6100 | { |
6101 | cfi_add_CFA_def_cfa (1, 0); | |
6102 | } | |
6103 | ||
6104 | int | |
1df69f4f | 6105 | tc_ppc_regname_to_dw2regnum (char *regname) |
75e21f08 JJ |
6106 | { |
6107 | unsigned int regnum = -1; | |
6108 | unsigned int i; | |
6109 | const char *p; | |
6110 | char *q; | |
6111 | static struct { char *name; int dw2regnum; } regnames[] = | |
6112 | { | |
6113 | { "sp", 1 }, { "r.sp", 1 }, { "rtoc", 2 }, { "r.toc", 2 }, | |
6114 | { "mq", 64 }, { "lr", 65 }, { "ctr", 66 }, { "ap", 67 }, | |
80f846b6 | 6115 | { "cr", 70 }, { "xer", 76 }, { "vrsave", 109 }, { "vscr", 110 }, |
75e21f08 JJ |
6116 | { "spe_acc", 111 }, { "spefscr", 112 } |
6117 | }; | |
6118 | ||
6119 | for (i = 0; i < ARRAY_SIZE (regnames); ++i) | |
6120 | if (strcmp (regnames[i].name, regname) == 0) | |
6121 | return regnames[i].dw2regnum; | |
6122 | ||
6123 | if (regname[0] == 'r' || regname[0] == 'f' || regname[0] == 'v') | |
6124 | { | |
6125 | p = regname + 1 + (regname[1] == '.'); | |
6126 | regnum = strtoul (p, &q, 10); | |
6127 | if (p == q || *q || regnum >= 32) | |
6128 | return -1; | |
6129 | if (regname[0] == 'f') | |
b7d7dc63 | 6130 | regnum += 32; |
75e21f08 | 6131 | else if (regname[0] == 'v') |
b7d7dc63 | 6132 | regnum += 77; |
75e21f08 JJ |
6133 | } |
6134 | else if (regname[0] == 'c' && regname[1] == 'r') | |
6135 | { | |
6136 | p = regname + 2 + (regname[2] == '.'); | |
6137 | if (p[0] < '0' || p[0] > '7' || p[1]) | |
b7d7dc63 | 6138 | return -1; |
75e21f08 JJ |
6139 | regnum = p[0] - '0' + 68; |
6140 | } | |
6141 | return regnum; | |
6142 | } |