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, |
783de163 | 3 | 2004, 2005, 2006, 2007, 2008 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; | |
783de163 AM |
181 | |
182 | /* The type of processor we are assembling for. This is one or more | |
183 | of the PPC_OPCODE flags defined in opcode/ppc.h. */ | |
fa452fa6 | 184 | ppc_cpu_t ppc_cpu = 0; |
252b5132 RH |
185 | \f |
186 | /* The target specific pseudo-ops which we support. */ | |
187 | ||
188 | const pseudo_typeS md_pseudo_table[] = | |
189 | { | |
190 | /* Pseudo-ops which must be overridden. */ | |
191 | { "byte", ppc_byte, 0 }, | |
192 | ||
193 | #ifdef OBJ_XCOFF | |
194 | /* Pseudo-ops specific to the RS/6000 XCOFF format. Some of these | |
195 | legitimately belong in the obj-*.c file. However, XCOFF is based | |
196 | on COFF, and is only implemented for the RS/6000. We just use | |
197 | obj-coff.c, and add what we need here. */ | |
198 | { "comm", ppc_comm, 0 }, | |
199 | { "lcomm", ppc_comm, 1 }, | |
200 | { "bb", ppc_bb, 0 }, | |
201 | { "bc", ppc_bc, 0 }, | |
202 | { "bf", ppc_bf, 0 }, | |
203 | { "bi", ppc_biei, 0 }, | |
204 | { "bs", ppc_bs, 0 }, | |
205 | { "csect", ppc_csect, 0 }, | |
206 | { "data", ppc_section, 'd' }, | |
207 | { "eb", ppc_eb, 0 }, | |
208 | { "ec", ppc_ec, 0 }, | |
209 | { "ef", ppc_ef, 0 }, | |
210 | { "ei", ppc_biei, 1 }, | |
211 | { "es", ppc_es, 0 }, | |
212 | { "extern", ppc_extern, 0 }, | |
213 | { "function", ppc_function, 0 }, | |
214 | { "lglobl", ppc_lglobl, 0 }, | |
215 | { "rename", ppc_rename, 0 }, | |
216 | { "section", ppc_named_section, 0 }, | |
217 | { "stabx", ppc_stabx, 0 }, | |
218 | { "text", ppc_section, 't' }, | |
219 | { "toc", ppc_toc, 0 }, | |
220 | { "long", ppc_xcoff_cons, 2 }, | |
7f6d05e8 | 221 | { "llong", ppc_xcoff_cons, 3 }, |
252b5132 RH |
222 | { "word", ppc_xcoff_cons, 1 }, |
223 | { "short", ppc_xcoff_cons, 1 }, | |
224 | { "vbyte", ppc_vbyte, 0 }, | |
225 | #endif | |
226 | ||
227 | #ifdef OBJ_ELF | |
0baf16f2 AM |
228 | { "llong", ppc_elf_cons, 8 }, |
229 | { "quad", ppc_elf_cons, 8 }, | |
252b5132 RH |
230 | { "long", ppc_elf_cons, 4 }, |
231 | { "word", ppc_elf_cons, 2 }, | |
232 | { "short", ppc_elf_cons, 2 }, | |
233 | { "rdata", ppc_elf_rdata, 0 }, | |
234 | { "rodata", ppc_elf_rdata, 0 }, | |
235 | { "lcomm", ppc_elf_lcomm, 0 }, | |
236 | #endif | |
237 | ||
238 | #ifdef TE_PE | |
99a814a1 | 239 | /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */ |
252b5132 RH |
240 | { "previous", ppc_previous, 0 }, |
241 | { "pdata", ppc_pdata, 0 }, | |
242 | { "ydata", ppc_ydata, 0 }, | |
243 | { "reldata", ppc_reldata, 0 }, | |
244 | { "rdata", ppc_rdata, 0 }, | |
245 | { "ualong", ppc_ualong, 0 }, | |
246 | { "znop", ppc_znop, 0 }, | |
247 | { "comm", ppc_pe_comm, 0 }, | |
248 | { "lcomm", ppc_pe_comm, 1 }, | |
249 | { "section", ppc_pe_section, 0 }, | |
250 | { "function", ppc_pe_function,0 }, | |
251 | { "tocd", ppc_pe_tocd, 0 }, | |
252 | #endif | |
253 | ||
0baf16f2 | 254 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
252b5132 | 255 | { "tc", ppc_tc, 0 }, |
0baf16f2 AM |
256 | { "machine", ppc_machine, 0 }, |
257 | #endif | |
252b5132 RH |
258 | |
259 | { NULL, NULL, 0 } | |
260 | }; | |
261 | ||
262 | \f | |
99a814a1 AM |
263 | /* Predefined register names if -mregnames (or default for Windows NT). |
264 | In general, there are lots of them, in an attempt to be compatible | |
265 | with a number of other Windows NT assemblers. */ | |
252b5132 RH |
266 | |
267 | /* Structure to hold information about predefined registers. */ | |
268 | struct pd_reg | |
269 | { | |
270 | char *name; | |
271 | int value; | |
272 | }; | |
273 | ||
274 | /* List of registers that are pre-defined: | |
275 | ||
276 | Each general register has predefined names of the form: | |
277 | 1. r<reg_num> which has the value <reg_num>. | |
278 | 2. r.<reg_num> which has the value <reg_num>. | |
279 | ||
252b5132 RH |
280 | Each floating point register has predefined names of the form: |
281 | 1. f<reg_num> which has the value <reg_num>. | |
282 | 2. f.<reg_num> which has the value <reg_num>. | |
283 | ||
7a899fff C |
284 | Each vector unit register has predefined names of the form: |
285 | 1. v<reg_num> which has the value <reg_num>. | |
286 | 2. v.<reg_num> which has the value <reg_num>. | |
287 | ||
252b5132 RH |
288 | Each condition register has predefined names of the form: |
289 | 1. cr<reg_num> which has the value <reg_num>. | |
290 | 2. cr.<reg_num> which has the value <reg_num>. | |
291 | ||
292 | There are individual registers as well: | |
293 | sp or r.sp has the value 1 | |
294 | rtoc or r.toc has the value 2 | |
295 | fpscr has the value 0 | |
296 | xer has the value 1 | |
297 | lr has the value 8 | |
298 | ctr has the value 9 | |
299 | pmr has the value 0 | |
300 | dar has the value 19 | |
301 | dsisr has the value 18 | |
302 | dec has the value 22 | |
303 | sdr1 has the value 25 | |
304 | srr0 has the value 26 | |
305 | srr1 has the value 27 | |
306 | ||
81d4177b | 307 | The table is sorted. Suitable for searching by a binary search. */ |
252b5132 RH |
308 | |
309 | static const struct pd_reg pre_defined_registers[] = | |
310 | { | |
311 | { "cr.0", 0 }, /* Condition Registers */ | |
312 | { "cr.1", 1 }, | |
313 | { "cr.2", 2 }, | |
314 | { "cr.3", 3 }, | |
315 | { "cr.4", 4 }, | |
316 | { "cr.5", 5 }, | |
317 | { "cr.6", 6 }, | |
318 | { "cr.7", 7 }, | |
319 | ||
320 | { "cr0", 0 }, | |
321 | { "cr1", 1 }, | |
322 | { "cr2", 2 }, | |
323 | { "cr3", 3 }, | |
324 | { "cr4", 4 }, | |
325 | { "cr5", 5 }, | |
326 | { "cr6", 6 }, | |
327 | { "cr7", 7 }, | |
328 | ||
329 | { "ctr", 9 }, | |
330 | ||
331 | { "dar", 19 }, /* Data Access Register */ | |
332 | { "dec", 22 }, /* Decrementer */ | |
333 | { "dsisr", 18 }, /* Data Storage Interrupt Status Register */ | |
334 | ||
335 | { "f.0", 0 }, /* Floating point registers */ | |
81d4177b KH |
336 | { "f.1", 1 }, |
337 | { "f.10", 10 }, | |
338 | { "f.11", 11 }, | |
339 | { "f.12", 12 }, | |
340 | { "f.13", 13 }, | |
341 | { "f.14", 14 }, | |
342 | { "f.15", 15 }, | |
343 | { "f.16", 16 }, | |
344 | { "f.17", 17 }, | |
345 | { "f.18", 18 }, | |
346 | { "f.19", 19 }, | |
347 | { "f.2", 2 }, | |
348 | { "f.20", 20 }, | |
349 | { "f.21", 21 }, | |
350 | { "f.22", 22 }, | |
351 | { "f.23", 23 }, | |
352 | { "f.24", 24 }, | |
353 | { "f.25", 25 }, | |
354 | { "f.26", 26 }, | |
355 | { "f.27", 27 }, | |
356 | { "f.28", 28 }, | |
357 | { "f.29", 29 }, | |
358 | { "f.3", 3 }, | |
252b5132 RH |
359 | { "f.30", 30 }, |
360 | { "f.31", 31 }, | |
81d4177b KH |
361 | { "f.4", 4 }, |
362 | { "f.5", 5 }, | |
363 | { "f.6", 6 }, | |
364 | { "f.7", 7 }, | |
365 | { "f.8", 8 }, | |
366 | { "f.9", 9 }, | |
367 | ||
368 | { "f0", 0 }, | |
369 | { "f1", 1 }, | |
370 | { "f10", 10 }, | |
371 | { "f11", 11 }, | |
372 | { "f12", 12 }, | |
373 | { "f13", 13 }, | |
374 | { "f14", 14 }, | |
375 | { "f15", 15 }, | |
376 | { "f16", 16 }, | |
377 | { "f17", 17 }, | |
378 | { "f18", 18 }, | |
379 | { "f19", 19 }, | |
380 | { "f2", 2 }, | |
381 | { "f20", 20 }, | |
382 | { "f21", 21 }, | |
383 | { "f22", 22 }, | |
384 | { "f23", 23 }, | |
385 | { "f24", 24 }, | |
386 | { "f25", 25 }, | |
387 | { "f26", 26 }, | |
388 | { "f27", 27 }, | |
389 | { "f28", 28 }, | |
390 | { "f29", 29 }, | |
391 | { "f3", 3 }, | |
252b5132 RH |
392 | { "f30", 30 }, |
393 | { "f31", 31 }, | |
81d4177b KH |
394 | { "f4", 4 }, |
395 | { "f5", 5 }, | |
396 | { "f6", 6 }, | |
397 | { "f7", 7 }, | |
398 | { "f8", 8 }, | |
399 | { "f9", 9 }, | |
252b5132 RH |
400 | |
401 | { "fpscr", 0 }, | |
402 | ||
c3d65c1c BE |
403 | /* Quantization registers used with pair single instructions. */ |
404 | { "gqr.0", 0 }, | |
405 | { "gqr.1", 1 }, | |
406 | { "gqr.2", 2 }, | |
407 | { "gqr.3", 3 }, | |
408 | { "gqr.4", 4 }, | |
409 | { "gqr.5", 5 }, | |
410 | { "gqr.6", 6 }, | |
411 | { "gqr.7", 7 }, | |
412 | { "gqr0", 0 }, | |
413 | { "gqr1", 1 }, | |
414 | { "gqr2", 2 }, | |
415 | { "gqr3", 3 }, | |
416 | { "gqr4", 4 }, | |
417 | { "gqr5", 5 }, | |
418 | { "gqr6", 6 }, | |
419 | { "gqr7", 7 }, | |
420 | ||
252b5132 RH |
421 | { "lr", 8 }, /* Link Register */ |
422 | ||
423 | { "pmr", 0 }, | |
424 | ||
425 | { "r.0", 0 }, /* General Purpose Registers */ | |
426 | { "r.1", 1 }, | |
427 | { "r.10", 10 }, | |
428 | { "r.11", 11 }, | |
429 | { "r.12", 12 }, | |
430 | { "r.13", 13 }, | |
431 | { "r.14", 14 }, | |
432 | { "r.15", 15 }, | |
433 | { "r.16", 16 }, | |
434 | { "r.17", 17 }, | |
435 | { "r.18", 18 }, | |
436 | { "r.19", 19 }, | |
437 | { "r.2", 2 }, | |
438 | { "r.20", 20 }, | |
439 | { "r.21", 21 }, | |
440 | { "r.22", 22 }, | |
441 | { "r.23", 23 }, | |
442 | { "r.24", 24 }, | |
443 | { "r.25", 25 }, | |
444 | { "r.26", 26 }, | |
445 | { "r.27", 27 }, | |
446 | { "r.28", 28 }, | |
447 | { "r.29", 29 }, | |
448 | { "r.3", 3 }, | |
449 | { "r.30", 30 }, | |
450 | { "r.31", 31 }, | |
451 | { "r.4", 4 }, | |
452 | { "r.5", 5 }, | |
453 | { "r.6", 6 }, | |
454 | { "r.7", 7 }, | |
455 | { "r.8", 8 }, | |
456 | { "r.9", 9 }, | |
457 | ||
458 | { "r.sp", 1 }, /* Stack Pointer */ | |
459 | ||
460 | { "r.toc", 2 }, /* Pointer to the table of contents */ | |
461 | ||
462 | { "r0", 0 }, /* More general purpose registers */ | |
463 | { "r1", 1 }, | |
464 | { "r10", 10 }, | |
465 | { "r11", 11 }, | |
466 | { "r12", 12 }, | |
467 | { "r13", 13 }, | |
468 | { "r14", 14 }, | |
469 | { "r15", 15 }, | |
470 | { "r16", 16 }, | |
471 | { "r17", 17 }, | |
472 | { "r18", 18 }, | |
473 | { "r19", 19 }, | |
474 | { "r2", 2 }, | |
475 | { "r20", 20 }, | |
476 | { "r21", 21 }, | |
477 | { "r22", 22 }, | |
478 | { "r23", 23 }, | |
479 | { "r24", 24 }, | |
480 | { "r25", 25 }, | |
481 | { "r26", 26 }, | |
482 | { "r27", 27 }, | |
483 | { "r28", 28 }, | |
484 | { "r29", 29 }, | |
485 | { "r3", 3 }, | |
486 | { "r30", 30 }, | |
487 | { "r31", 31 }, | |
488 | { "r4", 4 }, | |
489 | { "r5", 5 }, | |
490 | { "r6", 6 }, | |
491 | { "r7", 7 }, | |
492 | { "r8", 8 }, | |
493 | { "r9", 9 }, | |
494 | ||
495 | { "rtoc", 2 }, /* Table of contents */ | |
496 | ||
497 | { "sdr1", 25 }, /* Storage Description Register 1 */ | |
498 | ||
499 | { "sp", 1 }, | |
500 | ||
501 | { "srr0", 26 }, /* Machine Status Save/Restore Register 0 */ | |
502 | { "srr1", 27 }, /* Machine Status Save/Restore Register 1 */ | |
81d4177b | 503 | |
7a899fff | 504 | { "v.0", 0 }, /* Vector registers */ |
81d4177b KH |
505 | { "v.1", 1 }, |
506 | { "v.10", 10 }, | |
507 | { "v.11", 11 }, | |
508 | { "v.12", 12 }, | |
509 | { "v.13", 13 }, | |
510 | { "v.14", 14 }, | |
511 | { "v.15", 15 }, | |
512 | { "v.16", 16 }, | |
513 | { "v.17", 17 }, | |
514 | { "v.18", 18 }, | |
515 | { "v.19", 19 }, | |
516 | { "v.2", 2 }, | |
517 | { "v.20", 20 }, | |
518 | { "v.21", 21 }, | |
519 | { "v.22", 22 }, | |
520 | { "v.23", 23 }, | |
521 | { "v.24", 24 }, | |
522 | { "v.25", 25 }, | |
523 | { "v.26", 26 }, | |
524 | { "v.27", 27 }, | |
525 | { "v.28", 28 }, | |
526 | { "v.29", 29 }, | |
527 | { "v.3", 3 }, | |
7a899fff C |
528 | { "v.30", 30 }, |
529 | { "v.31", 31 }, | |
81d4177b KH |
530 | { "v.4", 4 }, |
531 | { "v.5", 5 }, | |
532 | { "v.6", 6 }, | |
533 | { "v.7", 7 }, | |
534 | { "v.8", 8 }, | |
535 | { "v.9", 9 }, | |
7a899fff C |
536 | |
537 | { "v0", 0 }, | |
81d4177b KH |
538 | { "v1", 1 }, |
539 | { "v10", 10 }, | |
540 | { "v11", 11 }, | |
541 | { "v12", 12 }, | |
542 | { "v13", 13 }, | |
543 | { "v14", 14 }, | |
544 | { "v15", 15 }, | |
545 | { "v16", 16 }, | |
546 | { "v17", 17 }, | |
547 | { "v18", 18 }, | |
548 | { "v19", 19 }, | |
549 | { "v2", 2 }, | |
550 | { "v20", 20 }, | |
551 | { "v21", 21 }, | |
552 | { "v22", 22 }, | |
553 | { "v23", 23 }, | |
554 | { "v24", 24 }, | |
555 | { "v25", 25 }, | |
556 | { "v26", 26 }, | |
557 | { "v27", 27 }, | |
558 | { "v28", 28 }, | |
559 | { "v29", 29 }, | |
560 | { "v3", 3 }, | |
7a899fff C |
561 | { "v30", 30 }, |
562 | { "v31", 31 }, | |
81d4177b KH |
563 | { "v4", 4 }, |
564 | { "v5", 5 }, | |
565 | { "v6", 6 }, | |
566 | { "v7", 7 }, | |
567 | { "v8", 8 }, | |
7a899fff | 568 | { "v9", 9 }, |
252b5132 RH |
569 | |
570 | { "xer", 1 }, | |
571 | ||
572 | }; | |
573 | ||
bc805888 | 574 | #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg)) |
252b5132 RH |
575 | |
576 | /* Given NAME, find the register number associated with that name, return | |
577 | the integer value associated with the given name or -1 on failure. */ | |
578 | ||
252b5132 | 579 | static int |
98027b10 | 580 | reg_name_search (const struct pd_reg *regs, int regcount, const char *name) |
252b5132 RH |
581 | { |
582 | int middle, low, high; | |
583 | int cmp; | |
584 | ||
585 | low = 0; | |
586 | high = regcount - 1; | |
587 | ||
588 | do | |
589 | { | |
590 | middle = (low + high) / 2; | |
591 | cmp = strcasecmp (name, regs[middle].name); | |
592 | if (cmp < 0) | |
593 | high = middle - 1; | |
594 | else if (cmp > 0) | |
595 | low = middle + 1; | |
596 | else | |
597 | return regs[middle].value; | |
598 | } | |
599 | while (low <= high); | |
600 | ||
601 | return -1; | |
602 | } | |
603 | ||
604 | /* | |
99a814a1 | 605 | * Summary of register_name. |
252b5132 RH |
606 | * |
607 | * in: Input_line_pointer points to 1st char of operand. | |
608 | * | |
609 | * out: A expressionS. | |
610 | * The operand may have been a register: in this case, X_op == O_register, | |
611 | * X_add_number is set to the register number, and truth is returned. | |
612 | * Input_line_pointer->(next non-blank) char after operand, or is in its | |
613 | * original state. | |
614 | */ | |
615 | ||
b34976b6 | 616 | static bfd_boolean |
98027b10 | 617 | register_name (expressionS *expressionP) |
252b5132 RH |
618 | { |
619 | int reg_number; | |
620 | char *name; | |
621 | char *start; | |
622 | char c; | |
623 | ||
99a814a1 | 624 | /* Find the spelling of the operand. */ |
252b5132 | 625 | start = name = input_line_pointer; |
3882b010 | 626 | if (name[0] == '%' && ISALPHA (name[1])) |
252b5132 RH |
627 | name = ++input_line_pointer; |
628 | ||
3882b010 | 629 | else if (!reg_names_p || !ISALPHA (name[0])) |
b34976b6 | 630 | return FALSE; |
252b5132 RH |
631 | |
632 | c = get_symbol_end (); | |
633 | reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT, name); | |
634 | ||
468cced8 AM |
635 | /* Put back the delimiting char. */ |
636 | *input_line_pointer = c; | |
637 | ||
99a814a1 | 638 | /* Look to see if it's in the register table. */ |
81d4177b | 639 | if (reg_number >= 0) |
252b5132 RH |
640 | { |
641 | expressionP->X_op = O_register; | |
642 | expressionP->X_add_number = reg_number; | |
81d4177b | 643 | |
99a814a1 | 644 | /* Make the rest nice. */ |
252b5132 RH |
645 | expressionP->X_add_symbol = NULL; |
646 | expressionP->X_op_symbol = NULL; | |
b34976b6 | 647 | return TRUE; |
252b5132 | 648 | } |
468cced8 AM |
649 | |
650 | /* Reset the line as if we had not done anything. */ | |
651 | input_line_pointer = start; | |
b34976b6 | 652 | return FALSE; |
252b5132 RH |
653 | } |
654 | \f | |
655 | /* This function is called for each symbol seen in an expression. It | |
656 | handles the special parsing which PowerPC assemblers are supposed | |
657 | to use for condition codes. */ | |
658 | ||
659 | /* Whether to do the special parsing. */ | |
b34976b6 | 660 | static bfd_boolean cr_operand; |
252b5132 RH |
661 | |
662 | /* Names to recognize in a condition code. This table is sorted. */ | |
663 | static const struct pd_reg cr_names[] = | |
664 | { | |
665 | { "cr0", 0 }, | |
666 | { "cr1", 1 }, | |
667 | { "cr2", 2 }, | |
668 | { "cr3", 3 }, | |
669 | { "cr4", 4 }, | |
670 | { "cr5", 5 }, | |
671 | { "cr6", 6 }, | |
672 | { "cr7", 7 }, | |
673 | { "eq", 2 }, | |
674 | { "gt", 1 }, | |
675 | { "lt", 0 }, | |
676 | { "so", 3 }, | |
677 | { "un", 3 } | |
678 | }; | |
679 | ||
680 | /* Parsing function. This returns non-zero if it recognized an | |
681 | expression. */ | |
682 | ||
683 | int | |
98027b10 | 684 | ppc_parse_name (const char *name, expressionS *expr) |
252b5132 RH |
685 | { |
686 | int val; | |
687 | ||
688 | if (! cr_operand) | |
689 | return 0; | |
690 | ||
13abbae3 AM |
691 | if (*name == '%') |
692 | ++name; | |
252b5132 RH |
693 | val = reg_name_search (cr_names, sizeof cr_names / sizeof cr_names[0], |
694 | name); | |
695 | if (val < 0) | |
696 | return 0; | |
697 | ||
698 | expr->X_op = O_constant; | |
699 | expr->X_add_number = val; | |
700 | ||
701 | return 1; | |
702 | } | |
703 | \f | |
704 | /* Local variables. */ | |
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 | { | |
9b4e5766 PB |
828 | ppc_cpu_t retain_flags = |
829 | ppc_cpu & (PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX | PPC_OPCODE_SPE); | |
b0e34bfe | 830 | |
69c040df AM |
831 | /* -mpwrx and -mpwr2 mean to assemble for the IBM POWER/2 |
832 | (RIOS2). */ | |
833 | if (strcmp (arg, "pwrx") == 0 || strcmp (arg, "pwr2") == 0) | |
834 | ppc_cpu = PPC_OPCODE_POWER | PPC_OPCODE_POWER2 | PPC_OPCODE_32; | |
835 | /* -mpwr means to assemble for the IBM POWER (RIOS1). */ | |
836 | else if (strcmp (arg, "pwr") == 0) | |
837 | ppc_cpu = PPC_OPCODE_POWER | PPC_OPCODE_32; | |
838 | /* -m601 means to assemble for the PowerPC 601, which includes | |
839 | instructions that are holdovers from the Power. */ | |
840 | else if (strcmp (arg, "601") == 0) | |
841 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
842 | | PPC_OPCODE_601 | PPC_OPCODE_32); | |
843 | /* -mppc, -mppc32, -m603, and -m604 mean to assemble for the | |
844 | PowerPC 603/604. */ | |
845 | else if (strcmp (arg, "ppc") == 0 | |
846 | || strcmp (arg, "ppc32") == 0 | |
847 | || strcmp (arg, "603") == 0 | |
848 | || strcmp (arg, "604") == 0) | |
849 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32; | |
c3d65c1c BE |
850 | /* Do all PPC750s have paired single ops? */ |
851 | else if (strcmp (arg, "750cl") == 0) | |
852 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_PPCPS; | |
081ba1b3 | 853 | else if (strcmp (arg, "403") == 0) |
69c040df AM |
854 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC |
855 | | PPC_OPCODE_403 | PPC_OPCODE_32); | |
081ba1b3 AM |
856 | else if (strcmp (arg, "405") == 0) |
857 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
858 | | PPC_OPCODE_403 | PPC_OPCODE_405 | PPC_OPCODE_32); | |
c8187e15 PB |
859 | else if (strcmp (arg, "440") == 0 |
860 | || strcmp (arg, "464") == 0) | |
69c040df AM |
861 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32 |
862 | | PPC_OPCODE_440 | PPC_OPCODE_ISEL | PPC_OPCODE_RFMCI); | |
863 | else if (strcmp (arg, "7400") == 0 | |
864 | || strcmp (arg, "7410") == 0 | |
865 | || strcmp (arg, "7450") == 0 | |
866 | || strcmp (arg, "7455") == 0) | |
867 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
868 | | PPC_OPCODE_ALTIVEC | PPC_OPCODE_32); | |
36ae0db3 DJ |
869 | else if (strcmp (arg, "e300") == 0) |
870 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32 | |
871 | | PPC_OPCODE_E300); | |
69c040df AM |
872 | else if (strcmp (arg, "altivec") == 0) |
873 | { | |
874 | if (ppc_cpu == 0) | |
b0e34bfe NC |
875 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC; |
876 | ||
9b4e5766 PB |
877 | retain_flags |= PPC_OPCODE_ALTIVEC; |
878 | } | |
879 | else if (strcmp (arg, "vsx") == 0) | |
880 | { | |
881 | if (ppc_cpu == 0) | |
882 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC; | |
883 | ||
884 | retain_flags |= PPC_OPCODE_VSX; | |
69c040df AM |
885 | } |
886 | else if (strcmp (arg, "e500") == 0 || strcmp (arg, "e500x2") == 0) | |
887 | { | |
888 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_SPE | |
889 | | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK | |
890 | | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | |
19a6653c AM |
891 | | PPC_OPCODE_RFMCI | PPC_OPCODE_E500MC); |
892 | } | |
893 | else if (strcmp (arg, "e500mc") == 0) | |
894 | { | |
895 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL | |
896 | | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | |
897 | | PPC_OPCODE_RFMCI | PPC_OPCODE_E500MC); | |
69c040df AM |
898 | } |
899 | else if (strcmp (arg, "spe") == 0) | |
900 | { | |
901 | if (ppc_cpu == 0) | |
b0e34bfe NC |
902 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_EFS; |
903 | ||
9b4e5766 | 904 | retain_flags |= PPC_OPCODE_SPE; |
69c040df AM |
905 | } |
906 | /* -mppc64 and -m620 mean to assemble for the 64-bit PowerPC | |
907 | 620. */ | |
908 | else if (strcmp (arg, "ppc64") == 0 || strcmp (arg, "620") == 0) | |
909 | { | |
910 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64; | |
911 | } | |
912 | else if (strcmp (arg, "ppc64bridge") == 0) | |
913 | { | |
914 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
915 | | PPC_OPCODE_64_BRIDGE | PPC_OPCODE_64); | |
916 | } | |
917 | /* -mbooke/-mbooke32 mean enable 32-bit BookE support. */ | |
918 | else if (strcmp (arg, "booke") == 0 || strcmp (arg, "booke32") == 0) | |
919 | { | |
920 | ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32; | |
921 | } | |
69c040df AM |
922 | else if (strcmp (arg, "power4") == 0) |
923 | { | |
924 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
925 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4); | |
926 | } | |
b0648eec AM |
927 | else if (strcmp (arg, "power5") == 0) |
928 | { | |
929 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
930 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | |
931 | | PPC_OPCODE_POWER5); | |
932 | } | |
9622b051 AM |
933 | else if (strcmp (arg, "power6") == 0) |
934 | { | |
935 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
936 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | |
38233209 PB |
937 | | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 |
938 | | PPC_OPCODE_ALTIVEC); | |
9622b051 | 939 | } |
9b4e5766 PB |
940 | else if (strcmp (arg, "power7") == 0) |
941 | { | |
942 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
943 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | |
944 | | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | |
945 | | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX); | |
946 | } | |
ede602d7 AM |
947 | else if (strcmp (arg, "cell") == 0) |
948 | { | |
949 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
950 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | |
38233209 | 951 | | PPC_OPCODE_CELL | PPC_OPCODE_ALTIVEC); |
ede602d7 | 952 | } |
69c040df AM |
953 | /* -mcom means assemble for the common intersection between Power |
954 | and PowerPC. At present, we just allow the union, rather | |
955 | than the intersection. */ | |
956 | else if (strcmp (arg, "com") == 0) | |
957 | ppc_cpu = PPC_OPCODE_COMMON | PPC_OPCODE_32; | |
958 | /* -many means to assemble for any architecture (PWR/PWRX/PPC). */ | |
959 | else if (strcmp (arg, "any") == 0) | |
960 | ppc_cpu |= PPC_OPCODE_ANY; | |
961 | else | |
962 | return 0; | |
963 | ||
9b4e5766 PB |
964 | /* Make sure the the Altivec, VSX and SPE bits are not lost. */ |
965 | ppc_cpu |= retain_flags; | |
69c040df AM |
966 | return 1; |
967 | } | |
968 | ||
252b5132 | 969 | int |
98027b10 | 970 | md_parse_option (int c, char *arg) |
252b5132 RH |
971 | { |
972 | switch (c) | |
973 | { | |
974 | case 'u': | |
975 | /* -u means that any undefined symbols should be treated as | |
976 | external, which is the default for gas anyhow. */ | |
977 | break; | |
978 | ||
979 | #ifdef OBJ_ELF | |
980 | case 'l': | |
981 | /* Solaris as takes -le (presumably for little endian). For completeness | |
99a814a1 | 982 | sake, recognize -be also. */ |
252b5132 RH |
983 | if (strcmp (arg, "e") == 0) |
984 | { | |
985 | target_big_endian = 0; | |
986 | set_target_endian = 1; | |
987 | } | |
988 | else | |
989 | return 0; | |
990 | ||
991 | break; | |
992 | ||
993 | case 'b': | |
994 | if (strcmp (arg, "e") == 0) | |
995 | { | |
996 | target_big_endian = 1; | |
997 | set_target_endian = 1; | |
998 | } | |
999 | else | |
1000 | return 0; | |
1001 | ||
1002 | break; | |
1003 | ||
1004 | case 'K': | |
99a814a1 | 1005 | /* Recognize -K PIC. */ |
252b5132 RH |
1006 | if (strcmp (arg, "PIC") == 0 || strcmp (arg, "pic") == 0) |
1007 | { | |
1008 | shlib = SHLIB_PIC; | |
1009 | ppc_flags |= EF_PPC_RELOCATABLE_LIB; | |
1010 | } | |
1011 | else | |
1012 | return 0; | |
1013 | ||
1014 | break; | |
1015 | #endif | |
1016 | ||
7f6d05e8 CP |
1017 | /* a64 and a32 determine whether to use XCOFF64 or XCOFF32. */ |
1018 | case 'a': | |
1019 | if (strcmp (arg, "64") == 0) | |
2a98c3a6 AM |
1020 | { |
1021 | #ifdef BFD64 | |
1022 | ppc_obj64 = 1; | |
1023 | #else | |
1024 | as_fatal (_("%s unsupported"), "-a64"); | |
1025 | #endif | |
1026 | } | |
7f6d05e8 | 1027 | else if (strcmp (arg, "32") == 0) |
2b3c4602 | 1028 | ppc_obj64 = 0; |
7f6d05e8 CP |
1029 | else |
1030 | return 0; | |
1031 | break; | |
81d4177b | 1032 | |
252b5132 | 1033 | case 'm': |
69c040df AM |
1034 | if (parse_cpu (arg)) |
1035 | ; | |
252b5132 RH |
1036 | |
1037 | else if (strcmp (arg, "regnames") == 0) | |
b34976b6 | 1038 | reg_names_p = TRUE; |
252b5132 RH |
1039 | |
1040 | else if (strcmp (arg, "no-regnames") == 0) | |
b34976b6 | 1041 | reg_names_p = FALSE; |
252b5132 RH |
1042 | |
1043 | #ifdef OBJ_ELF | |
99a814a1 AM |
1044 | /* -mrelocatable/-mrelocatable-lib -- warn about initializations |
1045 | that require relocation. */ | |
252b5132 RH |
1046 | else if (strcmp (arg, "relocatable") == 0) |
1047 | { | |
5d6f4f16 | 1048 | shlib = SHLIB_MRELOCATABLE; |
252b5132 RH |
1049 | ppc_flags |= EF_PPC_RELOCATABLE; |
1050 | } | |
1051 | ||
1052 | else if (strcmp (arg, "relocatable-lib") == 0) | |
1053 | { | |
5d6f4f16 | 1054 | shlib = SHLIB_MRELOCATABLE; |
252b5132 RH |
1055 | ppc_flags |= EF_PPC_RELOCATABLE_LIB; |
1056 | } | |
1057 | ||
99a814a1 | 1058 | /* -memb, set embedded bit. */ |
252b5132 RH |
1059 | else if (strcmp (arg, "emb") == 0) |
1060 | ppc_flags |= EF_PPC_EMB; | |
1061 | ||
99a814a1 AM |
1062 | /* -mlittle/-mbig set the endianess. */ |
1063 | else if (strcmp (arg, "little") == 0 | |
1064 | || strcmp (arg, "little-endian") == 0) | |
252b5132 RH |
1065 | { |
1066 | target_big_endian = 0; | |
1067 | set_target_endian = 1; | |
1068 | } | |
1069 | ||
1070 | else if (strcmp (arg, "big") == 0 || strcmp (arg, "big-endian") == 0) | |
1071 | { | |
1072 | target_big_endian = 1; | |
1073 | set_target_endian = 1; | |
1074 | } | |
1075 | ||
1076 | else if (strcmp (arg, "solaris") == 0) | |
1077 | { | |
b34976b6 | 1078 | msolaris = TRUE; |
252b5132 RH |
1079 | ppc_comment_chars = ppc_solaris_comment_chars; |
1080 | } | |
1081 | ||
1082 | else if (strcmp (arg, "no-solaris") == 0) | |
1083 | { | |
b34976b6 | 1084 | msolaris = FALSE; |
252b5132 RH |
1085 | ppc_comment_chars = ppc_eabi_comment_chars; |
1086 | } | |
1087 | #endif | |
1088 | else | |
1089 | { | |
1090 | as_bad (_("invalid switch -m%s"), arg); | |
1091 | return 0; | |
1092 | } | |
1093 | break; | |
1094 | ||
1095 | #ifdef OBJ_ELF | |
1096 | /* -V: SVR4 argument to print version ID. */ | |
1097 | case 'V': | |
1098 | print_version_id (); | |
1099 | break; | |
1100 | ||
1101 | /* -Qy, -Qn: SVR4 arguments controlling whether a .comment section | |
1102 | should be emitted or not. FIXME: Not implemented. */ | |
1103 | case 'Q': | |
1104 | break; | |
1105 | ||
1106 | /* Solaris takes -s to specify that .stabs go in a .stabs section, | |
1107 | rather than .stabs.excl, which is ignored by the linker. | |
1108 | FIXME: Not implemented. */ | |
1109 | case 's': | |
1110 | if (arg) | |
1111 | return 0; | |
1112 | ||
1113 | break; | |
1114 | #endif | |
1115 | ||
1116 | default: | |
1117 | return 0; | |
1118 | } | |
1119 | ||
1120 | return 1; | |
1121 | } | |
1122 | ||
1123 | void | |
98027b10 | 1124 | md_show_usage (FILE *stream) |
252b5132 | 1125 | { |
bc805888 | 1126 | fprintf (stream, _("\ |
252b5132 | 1127 | PowerPC options:\n\ |
df12615d AM |
1128 | -a32 generate ELF32/XCOFF32\n\ |
1129 | -a64 generate ELF64/XCOFF64\n\ | |
252b5132 | 1130 | -u ignored\n\ |
23e1d84c AM |
1131 | -mpwrx, -mpwr2 generate code for POWER/2 (RIOS2)\n\ |
1132 | -mpwr generate code for POWER (RIOS1)\n\ | |
1133 | -m601 generate code for PowerPC 601\n\ | |
418c1742 | 1134 | -mppc, -mppc32, -m603, -m604\n\ |
23e1d84c | 1135 | generate code for PowerPC 603/604\n\ |
081ba1b3 AM |
1136 | -m403 generate code for PowerPC 403\n\ |
1137 | -m405 generate code for PowerPC 405\n\ | |
3d8aea2f | 1138 | -m440 generate code for PowerPC 440\n\ |
c8187e15 | 1139 | -m464 generate code for PowerPC 464\n\ |
f5c120c5 | 1140 | -m7400, -m7410, -m7450, -m7455\n\ |
c3d65c1c BE |
1141 | generate code for PowerPC 7400/7410/7450/7455\n\ |
1142 | -m750cl generate code for PowerPC 750cl\n")); | |
df12615d | 1143 | fprintf (stream, _("\ |
23e1d84c | 1144 | -mppc64, -m620 generate code for PowerPC 620/625/630\n\ |
d0e9a01c | 1145 | -mppc64bridge generate code for PowerPC 64, including bridge insns\n\ |
2f3bb96a | 1146 | -mbooke generate code for 32-bit PowerPC BookE\n\ |
23e1d84c | 1147 | -mpower4 generate code for Power4 architecture\n\ |
b0648eec | 1148 | -mpower5 generate code for Power5 architecture\n\ |
9622b051 | 1149 | -mpower6 generate code for Power6 architecture\n\ |
9b4e5766 | 1150 | -mpower7 generate code for Power7 architecture\n\ |
ede602d7 | 1151 | -mcell generate code for Cell Broadband Engine architecture\n\ |
252b5132 | 1152 | -mcom generate code Power/PowerPC common instructions\n\ |
df12615d | 1153 | -many generate code for any architecture (PWR/PWRX/PPC)\n")); |
6a0c61b7 | 1154 | fprintf (stream, _("\ |
df12615d | 1155 | -maltivec generate code for AltiVec\n\ |
9b4e5766 | 1156 | -mvsx generate code for Vector-Scalar (VSX) instructions\n\ |
36ae0db3 | 1157 | -me300 generate code for PowerPC e300 family\n\ |
6a0c61b7 | 1158 | -me500, -me500x2 generate code for Motorola e500 core complex\n\ |
19a6653c | 1159 | -me500mc, generate code for Freescale e500mc core complex\n\ |
df12615d AM |
1160 | -mspe generate code for Motorola SPE instructions\n\ |
1161 | -mregnames Allow symbolic names for registers\n\ | |
1162 | -mno-regnames Do not allow symbolic names for registers\n")); | |
252b5132 | 1163 | #ifdef OBJ_ELF |
bc805888 | 1164 | fprintf (stream, _("\ |
252b5132 RH |
1165 | -mrelocatable support for GCC's -mrelocatble option\n\ |
1166 | -mrelocatable-lib support for GCC's -mrelocatble-lib option\n\ | |
1167 | -memb set PPC_EMB bit in ELF flags\n\ | |
df12615d | 1168 | -mlittle, -mlittle-endian, -l, -le\n\ |
252b5132 | 1169 | generate code for a little endian machine\n\ |
df12615d AM |
1170 | -mbig, -mbig-endian, -b, -be\n\ |
1171 | generate code for a big endian machine\n\ | |
252b5132 RH |
1172 | -msolaris generate code for Solaris\n\ |
1173 | -mno-solaris do not generate code for Solaris\n\ | |
1174 | -V print assembler version number\n\ | |
1175 | -Qy, -Qn ignored\n")); | |
1176 | #endif | |
1177 | } | |
1178 | \f | |
1179 | /* Set ppc_cpu if it is not already set. */ | |
1180 | ||
1181 | static void | |
98027b10 | 1182 | ppc_set_cpu (void) |
252b5132 RH |
1183 | { |
1184 | const char *default_os = TARGET_OS; | |
1185 | const char *default_cpu = TARGET_CPU; | |
1186 | ||
3c9030c1 | 1187 | if ((ppc_cpu & ~PPC_OPCODE_ANY) == 0) |
252b5132 | 1188 | { |
2a98c3a6 | 1189 | if (ppc_obj64) |
3c9030c1 | 1190 | ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64; |
2a98c3a6 AM |
1191 | else if (strncmp (default_os, "aix", 3) == 0 |
1192 | && default_os[3] >= '4' && default_os[3] <= '9') | |
3c9030c1 | 1193 | ppc_cpu |= PPC_OPCODE_COMMON | PPC_OPCODE_32; |
252b5132 | 1194 | else if (strncmp (default_os, "aix3", 4) == 0) |
3c9030c1 | 1195 | ppc_cpu |= PPC_OPCODE_POWER | PPC_OPCODE_32; |
252b5132 | 1196 | else if (strcmp (default_cpu, "rs6000") == 0) |
3c9030c1 | 1197 | ppc_cpu |= PPC_OPCODE_POWER | PPC_OPCODE_32; |
0baf16f2 | 1198 | else if (strncmp (default_cpu, "powerpc", 7) == 0) |
23d36e92 | 1199 | ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32; |
252b5132 | 1200 | else |
99a814a1 AM |
1201 | as_fatal (_("Unknown default cpu = %s, os = %s"), |
1202 | default_cpu, default_os); | |
252b5132 RH |
1203 | } |
1204 | } | |
1205 | ||
9232bbb0 AM |
1206 | /* Figure out the BFD architecture to use. This function and ppc_mach |
1207 | are called well before md_begin, when the output file is opened. */ | |
252b5132 RH |
1208 | |
1209 | enum bfd_architecture | |
98027b10 | 1210 | ppc_arch (void) |
252b5132 RH |
1211 | { |
1212 | const char *default_cpu = TARGET_CPU; | |
1213 | ppc_set_cpu (); | |
1214 | ||
1215 | if ((ppc_cpu & PPC_OPCODE_PPC) != 0) | |
1216 | return bfd_arch_powerpc; | |
1217 | else if ((ppc_cpu & PPC_OPCODE_POWER) != 0) | |
1218 | return bfd_arch_rs6000; | |
1219 | else if ((ppc_cpu & (PPC_OPCODE_COMMON | PPC_OPCODE_ANY)) != 0) | |
1220 | { | |
1221 | if (strcmp (default_cpu, "rs6000") == 0) | |
1222 | return bfd_arch_rs6000; | |
0baf16f2 | 1223 | else if (strncmp (default_cpu, "powerpc", 7) == 0) |
252b5132 RH |
1224 | return bfd_arch_powerpc; |
1225 | } | |
1226 | ||
1227 | as_fatal (_("Neither Power nor PowerPC opcodes were selected.")); | |
1228 | return bfd_arch_unknown; | |
1229 | } | |
1230 | ||
7f6d05e8 | 1231 | unsigned long |
98027b10 | 1232 | ppc_mach (void) |
7f6d05e8 | 1233 | { |
2a98c3a6 AM |
1234 | if (ppc_obj64) |
1235 | return bfd_mach_ppc64; | |
1236 | else if (ppc_arch () == bfd_arch_rs6000) | |
1237 | return bfd_mach_rs6k; | |
1238 | else | |
1239 | return bfd_mach_ppc; | |
7f6d05e8 CP |
1240 | } |
1241 | ||
81d4177b | 1242 | extern char* |
98027b10 | 1243 | ppc_target_format (void) |
7f6d05e8 CP |
1244 | { |
1245 | #ifdef OBJ_COFF | |
1246 | #ifdef TE_PE | |
99a814a1 | 1247 | return target_big_endian ? "pe-powerpc" : "pe-powerpcle"; |
7f6d05e8 | 1248 | #elif TE_POWERMAC |
0baf16f2 | 1249 | return "xcoff-powermac"; |
7f6d05e8 | 1250 | #else |
eb1e0e80 | 1251 | # ifdef TE_AIX5 |
2b3c4602 | 1252 | return (ppc_obj64 ? "aix5coff64-rs6000" : "aixcoff-rs6000"); |
eb1e0e80 | 1253 | # else |
2b3c4602 | 1254 | return (ppc_obj64 ? "aixcoff64-rs6000" : "aixcoff-rs6000"); |
eb1e0e80 | 1255 | # endif |
7f6d05e8 | 1256 | #endif |
7f6d05e8 CP |
1257 | #endif |
1258 | #ifdef OBJ_ELF | |
9d8504b1 PB |
1259 | # ifdef TE_VXWORKS |
1260 | return "elf32-powerpc-vxworks"; | |
1261 | # else | |
0baf16f2 | 1262 | return (target_big_endian |
2b3c4602 AM |
1263 | ? (ppc_obj64 ? "elf64-powerpc" : "elf32-powerpc") |
1264 | : (ppc_obj64 ? "elf64-powerpcle" : "elf32-powerpcle")); | |
9d8504b1 | 1265 | # endif |
7f6d05e8 CP |
1266 | #endif |
1267 | } | |
1268 | ||
69c040df AM |
1269 | /* Insert opcodes and macros into hash tables. Called at startup and |
1270 | for .cpu pseudo. */ | |
252b5132 | 1271 | |
69c040df AM |
1272 | static void |
1273 | ppc_setup_opcodes (void) | |
252b5132 | 1274 | { |
98027b10 | 1275 | const struct powerpc_opcode *op; |
252b5132 RH |
1276 | const struct powerpc_opcode *op_end; |
1277 | const struct powerpc_macro *macro; | |
1278 | const struct powerpc_macro *macro_end; | |
b84bf58a | 1279 | bfd_boolean bad_insn = FALSE; |
252b5132 | 1280 | |
69c040df AM |
1281 | if (ppc_hash != NULL) |
1282 | hash_die (ppc_hash); | |
1283 | if (ppc_macro_hash != NULL) | |
1284 | hash_die (ppc_macro_hash); | |
252b5132 RH |
1285 | |
1286 | /* Insert the opcodes into a hash table. */ | |
1287 | ppc_hash = hash_new (); | |
1288 | ||
c43a438d | 1289 | if (ENABLE_CHECKING) |
b84bf58a | 1290 | { |
c43a438d | 1291 | unsigned int i; |
b84bf58a | 1292 | |
c43a438d AM |
1293 | /* Check operand masks. Code here and in the disassembler assumes |
1294 | all the 1's in the mask are contiguous. */ | |
1295 | for (i = 0; i < num_powerpc_operands; ++i) | |
b84bf58a | 1296 | { |
c43a438d AM |
1297 | unsigned long mask = powerpc_operands[i].bitm; |
1298 | unsigned long right_bit; | |
1299 | unsigned int j; | |
1300 | ||
1301 | right_bit = mask & -mask; | |
1302 | mask += right_bit; | |
1303 | right_bit = mask & -mask; | |
1304 | if (mask != right_bit) | |
1305 | { | |
1306 | as_bad (_("powerpc_operands[%d].bitm invalid"), i); | |
1307 | bad_insn = TRUE; | |
1308 | } | |
1309 | for (j = i + 1; j < num_powerpc_operands; ++j) | |
1310 | if (memcmp (&powerpc_operands[i], &powerpc_operands[j], | |
1311 | sizeof (powerpc_operands[0])) == 0) | |
1312 | { | |
1313 | as_bad (_("powerpc_operands[%d] duplicates powerpc_operands[%d]"), | |
1314 | j, i); | |
1315 | bad_insn = TRUE; | |
1316 | } | |
b84bf58a AM |
1317 | } |
1318 | } | |
1319 | ||
252b5132 RH |
1320 | op_end = powerpc_opcodes + powerpc_num_opcodes; |
1321 | for (op = powerpc_opcodes; op < op_end; op++) | |
1322 | { | |
c43a438d | 1323 | if (ENABLE_CHECKING) |
b84bf58a | 1324 | { |
c43a438d AM |
1325 | const unsigned char *o; |
1326 | unsigned long omask = op->mask; | |
8dbcd839 | 1327 | |
d815f1a9 | 1328 | if (op != powerpc_opcodes) |
8dbcd839 | 1329 | { |
d815f1a9 AM |
1330 | /* The major opcodes had better be sorted. Code in the |
1331 | disassembler assumes the insns are sorted according to | |
1332 | major opcode. */ | |
1333 | if (PPC_OP (op[0].opcode) < PPC_OP (op[-1].opcode)) | |
1334 | { | |
1335 | as_bad (_("major opcode is not sorted for %s"), | |
1336 | op->name); | |
1337 | bad_insn = TRUE; | |
1338 | } | |
1339 | ||
1340 | /* Warn if the table isn't more strictly ordered. | |
1341 | Unfortunately it doesn't seem possible to order the | |
1342 | table on much more than the major opcode, which makes | |
1343 | it difficult to implement a binary search in the | |
1344 | disassembler. The problem is that we have multiple | |
1345 | ways to disassemble instructions, and we usually want | |
1346 | to choose a more specific form (with more bits set in | |
1347 | the opcode) than a more general form. eg. all of the | |
1348 | following are equivalent: | |
1349 | bne label # opcode = 0x40820000, mask = 0xff830003 | |
1350 | bf 2,label # opcode = 0x40800000, mask = 0xff800003 | |
1351 | bc 4,2,label # opcode = 0x40000000, mask = 0xfc000003 | |
1352 | ||
1353 | There are also cases where the table needs to be out | |
1354 | of order to disassemble the correct instruction for | |
2f3bb96a | 1355 | processor variants. */ |
d815f1a9 AM |
1356 | else if (0) |
1357 | { | |
1358 | unsigned long t1 = op[0].opcode; | |
1359 | unsigned long t2 = op[-1].opcode; | |
1360 | ||
1361 | if (((t1 ^ t2) & 0xfc0007ff) == 0 | |
1362 | && (t1 & 0xfc0006df) == 0x7c000286) | |
1363 | { | |
1364 | /* spr field is split. */ | |
1365 | t1 = ((t1 & ~0x1ff800) | |
1366 | | ((t1 & 0xf800) << 5) | ((t1 & 0x1f0000) >> 5)); | |
1367 | t2 = ((t2 & ~0x1ff800) | |
1368 | | ((t2 & 0xf800) << 5) | ((t2 & 0x1f0000) >> 5)); | |
1369 | } | |
1370 | if (t1 < t2) | |
1371 | as_warn (_("%s (%08lx %08lx) after %s (%08lx %08lx)"), | |
1372 | op[0].name, op[0].opcode, op[0].mask, | |
1373 | op[-1].name, op[-1].opcode, op[-1].mask); | |
1374 | } | |
8dbcd839 | 1375 | } |
c43a438d AM |
1376 | |
1377 | /* The mask had better not trim off opcode bits. */ | |
1378 | if ((op->opcode & omask) != op->opcode) | |
1379 | { | |
1380 | as_bad (_("mask trims opcode bits for %s"), | |
1381 | op->name); | |
1382 | bad_insn = TRUE; | |
1383 | } | |
1384 | ||
1385 | /* The operands must not overlap the opcode or each other. */ | |
1386 | for (o = op->operands; *o; ++o) | |
1387 | if (*o >= num_powerpc_operands) | |
1388 | { | |
1389 | as_bad (_("operand index error for %s"), | |
1390 | op->name); | |
1391 | bad_insn = TRUE; | |
1392 | } | |
1393 | else | |
b84bf58a | 1394 | { |
c43a438d AM |
1395 | const struct powerpc_operand *operand = &powerpc_operands[*o]; |
1396 | if (operand->shift >= 0) | |
b84bf58a | 1397 | { |
c43a438d AM |
1398 | unsigned long mask = operand->bitm << operand->shift; |
1399 | if (omask & mask) | |
1400 | { | |
1401 | as_bad (_("operand %d overlap in %s"), | |
1402 | (int) (o - op->operands), op->name); | |
1403 | bad_insn = TRUE; | |
1404 | } | |
1405 | omask |= mask; | |
b84bf58a | 1406 | } |
b84bf58a | 1407 | } |
c43a438d | 1408 | } |
252b5132 | 1409 | |
2b3c4602 | 1410 | if ((op->flags & ppc_cpu & ~(PPC_OPCODE_32 | PPC_OPCODE_64)) != 0 |
252b5132 | 1411 | && ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64)) == 0 |
2b3c4602 AM |
1412 | || ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64)) |
1413 | == (ppc_cpu & (PPC_OPCODE_32 | PPC_OPCODE_64))) | |
23e1d84c | 1414 | || (ppc_cpu & PPC_OPCODE_64_BRIDGE) != 0) |
1cb0a767 | 1415 | && !(ppc_cpu & op->deprecated)) |
252b5132 RH |
1416 | { |
1417 | const char *retval; | |
1418 | ||
98027b10 | 1419 | retval = hash_insert (ppc_hash, op->name, (void *) op); |
69c040df | 1420 | if (retval != NULL) |
252b5132 | 1421 | { |
99a814a1 | 1422 | /* Ignore Power duplicates for -m601. */ |
252b5132 RH |
1423 | if ((ppc_cpu & PPC_OPCODE_601) != 0 |
1424 | && (op->flags & PPC_OPCODE_POWER) != 0) | |
1425 | continue; | |
1426 | ||
b84bf58a | 1427 | as_bad (_("duplicate instruction %s"), |
99a814a1 | 1428 | op->name); |
b84bf58a | 1429 | bad_insn = TRUE; |
252b5132 RH |
1430 | } |
1431 | } | |
1432 | } | |
1433 | ||
3c9030c1 AM |
1434 | if ((ppc_cpu & PPC_OPCODE_ANY) != 0) |
1435 | for (op = powerpc_opcodes; op < op_end; op++) | |
98027b10 | 1436 | hash_insert (ppc_hash, op->name, (void *) op); |
3c9030c1 | 1437 | |
252b5132 RH |
1438 | /* Insert the macros into a hash table. */ |
1439 | ppc_macro_hash = hash_new (); | |
1440 | ||
1441 | macro_end = powerpc_macros + powerpc_num_macros; | |
1442 | for (macro = powerpc_macros; macro < macro_end; macro++) | |
1443 | { | |
1444 | if ((macro->flags & ppc_cpu) != 0) | |
1445 | { | |
1446 | const char *retval; | |
1447 | ||
98027b10 | 1448 | retval = hash_insert (ppc_macro_hash, macro->name, (void *) macro); |
252b5132 RH |
1449 | if (retval != (const char *) NULL) |
1450 | { | |
b84bf58a AM |
1451 | as_bad (_("duplicate macro %s"), macro->name); |
1452 | bad_insn = TRUE; | |
252b5132 RH |
1453 | } |
1454 | } | |
1455 | } | |
1456 | ||
b84bf58a | 1457 | if (bad_insn) |
252b5132 | 1458 | abort (); |
69c040df AM |
1459 | } |
1460 | ||
1461 | /* This function is called when the assembler starts up. It is called | |
1462 | after the options have been parsed and the output file has been | |
1463 | opened. */ | |
1464 | ||
1465 | void | |
98027b10 | 1466 | md_begin (void) |
69c040df AM |
1467 | { |
1468 | ppc_set_cpu (); | |
1469 | ||
1470 | ppc_cie_data_alignment = ppc_obj64 ? -8 : -4; | |
1471 | ||
1472 | #ifdef OBJ_ELF | |
1473 | /* Set the ELF flags if desired. */ | |
1474 | if (ppc_flags && !msolaris) | |
1475 | bfd_set_private_flags (stdoutput, ppc_flags); | |
1476 | #endif | |
1477 | ||
1478 | ppc_setup_opcodes (); | |
252b5132 | 1479 | |
67c1ffbe | 1480 | /* Tell the main code what the endianness is if it is not overridden |
99a814a1 | 1481 | by the user. */ |
252b5132 RH |
1482 | if (!set_target_endian) |
1483 | { | |
1484 | set_target_endian = 1; | |
1485 | target_big_endian = PPC_BIG_ENDIAN; | |
1486 | } | |
1487 | ||
1488 | #ifdef OBJ_XCOFF | |
1489 | ppc_coff_debug_section = coff_section_from_bfd_index (stdoutput, N_DEBUG); | |
1490 | ||
1491 | /* Create dummy symbols to serve as initial csects. This forces the | |
1492 | text csects to precede the data csects. These symbols will not | |
1493 | be output. */ | |
1494 | ppc_text_csects = symbol_make ("dummy\001"); | |
809ffe0d | 1495 | symbol_get_tc (ppc_text_csects)->within = ppc_text_csects; |
252b5132 | 1496 | ppc_data_csects = symbol_make ("dummy\001"); |
809ffe0d | 1497 | symbol_get_tc (ppc_data_csects)->within = ppc_data_csects; |
252b5132 RH |
1498 | #endif |
1499 | ||
1500 | #ifdef TE_PE | |
1501 | ||
1502 | ppc_current_section = text_section; | |
81d4177b | 1503 | ppc_previous_section = 0; |
252b5132 RH |
1504 | |
1505 | #endif | |
1506 | } | |
1507 | ||
6a0c61b7 | 1508 | void |
98027b10 | 1509 | ppc_cleanup (void) |
6a0c61b7 | 1510 | { |
dc1d03fc | 1511 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
1512 | if (ppc_apuinfo_list == NULL) |
1513 | return; | |
1514 | ||
1515 | /* Ok, so write the section info out. We have this layout: | |
1516 | ||
1517 | byte data what | |
1518 | ---- ---- ---- | |
1519 | 0 8 length of "APUinfo\0" | |
1520 | 4 (n*4) number of APU's (4 bytes each) | |
1521 | 8 2 note type 2 | |
1522 | 12 "APUinfo\0" name | |
1523 | 20 APU#1 first APU's info | |
1524 | 24 APU#2 second APU's info | |
1525 | ... ... | |
1526 | */ | |
1527 | { | |
1528 | char *p; | |
1529 | asection *seg = now_seg; | |
1530 | subsegT subseg = now_subseg; | |
1531 | asection *apuinfo_secp = (asection *) NULL; | |
49181a6a | 1532 | unsigned int i; |
6a0c61b7 EZ |
1533 | |
1534 | /* Create the .PPC.EMB.apuinfo section. */ | |
1535 | apuinfo_secp = subseg_new (".PPC.EMB.apuinfo", 0); | |
1536 | bfd_set_section_flags (stdoutput, | |
1537 | apuinfo_secp, | |
e1a9cb8e | 1538 | SEC_HAS_CONTENTS | SEC_READONLY); |
6a0c61b7 EZ |
1539 | |
1540 | p = frag_more (4); | |
1541 | md_number_to_chars (p, (valueT) 8, 4); | |
1542 | ||
1543 | p = frag_more (4); | |
e98d298c | 1544 | md_number_to_chars (p, (valueT) ppc_apuinfo_num * 4, 4); |
6a0c61b7 EZ |
1545 | |
1546 | p = frag_more (4); | |
1547 | md_number_to_chars (p, (valueT) 2, 4); | |
1548 | ||
1549 | p = frag_more (8); | |
1550 | strcpy (p, "APUinfo"); | |
1551 | ||
1552 | for (i = 0; i < ppc_apuinfo_num; i++) | |
1553 | { | |
b34976b6 AM |
1554 | p = frag_more (4); |
1555 | md_number_to_chars (p, (valueT) ppc_apuinfo_list[i], 4); | |
6a0c61b7 EZ |
1556 | } |
1557 | ||
1558 | frag_align (2, 0, 0); | |
1559 | ||
1560 | /* We probably can't restore the current segment, for there likely | |
1561 | isn't one yet... */ | |
1562 | if (seg && subseg) | |
1563 | subseg_set (seg, subseg); | |
1564 | } | |
dc1d03fc | 1565 | #endif |
6a0c61b7 EZ |
1566 | } |
1567 | ||
252b5132 RH |
1568 | /* Insert an operand value into an instruction. */ |
1569 | ||
1570 | static unsigned long | |
a1867a27 AM |
1571 | ppc_insert_operand (unsigned long insn, |
1572 | const struct powerpc_operand *operand, | |
1573 | offsetT val, | |
fa452fa6 | 1574 | ppc_cpu_t ppc_cpu, |
a1867a27 AM |
1575 | char *file, |
1576 | unsigned int line) | |
252b5132 | 1577 | { |
b84bf58a | 1578 | long min, max, right; |
eb42fac1 | 1579 | |
b84bf58a AM |
1580 | max = operand->bitm; |
1581 | right = max & -max; | |
1582 | min = 0; | |
1583 | ||
1584 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
252b5132 | 1585 | { |
b84bf58a | 1586 | if ((operand->flags & PPC_OPERAND_SIGNOPT) == 0) |
931774a9 AM |
1587 | max = (max >> 1) & -right; |
1588 | min = ~max & -right; | |
b84bf58a | 1589 | } |
252b5132 | 1590 | |
b84bf58a | 1591 | if ((operand->flags & PPC_OPERAND_PLUS1) != 0) |
3896c469 | 1592 | max++; |
252b5132 | 1593 | |
b84bf58a | 1594 | if ((operand->flags & PPC_OPERAND_NEGATIVE) != 0) |
a1867a27 AM |
1595 | { |
1596 | long tmp = min; | |
1597 | min = -max; | |
1598 | max = -tmp; | |
1599 | } | |
b84bf58a | 1600 | |
a1867a27 AM |
1601 | if (min <= max) |
1602 | { | |
1603 | /* Some people write constants with the sign extension done by | |
1604 | hand but only up to 32 bits. This shouldn't really be valid, | |
1605 | but, to permit this code to assemble on a 64-bit host, we | |
1606 | sign extend the 32-bit value to 64 bits if so doing makes the | |
1607 | value valid. */ | |
1608 | if (val > max | |
1609 | && (offsetT) (val - 0x80000000 - 0x80000000) >= min | |
1610 | && (offsetT) (val - 0x80000000 - 0x80000000) <= max | |
1611 | && ((val - 0x80000000 - 0x80000000) & (right - 1)) == 0) | |
1612 | val = val - 0x80000000 - 0x80000000; | |
1613 | ||
1614 | /* Similarly, people write expressions like ~(1<<15), and expect | |
1615 | this to be OK for a 32-bit unsigned value. */ | |
1616 | else if (val < min | |
1617 | && (offsetT) (val + 0x80000000 + 0x80000000) >= min | |
1618 | && (offsetT) (val + 0x80000000 + 0x80000000) <= max | |
1619 | && ((val + 0x80000000 + 0x80000000) & (right - 1)) == 0) | |
1620 | val = val + 0x80000000 + 0x80000000; | |
1621 | ||
1622 | else if (val < min | |
1623 | || val > max | |
1624 | || (val & (right - 1)) != 0) | |
1625 | as_bad_value_out_of_range (_("operand"), val, min, max, file, line); | |
1626 | } | |
b84bf58a | 1627 | |
252b5132 RH |
1628 | if (operand->insert) |
1629 | { | |
1630 | const char *errmsg; | |
1631 | ||
1632 | errmsg = NULL; | |
2b3c4602 | 1633 | insn = (*operand->insert) (insn, (long) val, ppc_cpu, &errmsg); |
252b5132 | 1634 | if (errmsg != (const char *) NULL) |
0baf16f2 | 1635 | as_bad_where (file, line, errmsg); |
252b5132 RH |
1636 | } |
1637 | else | |
b84bf58a | 1638 | insn |= ((long) val & operand->bitm) << operand->shift; |
252b5132 RH |
1639 | |
1640 | return insn; | |
1641 | } | |
1642 | ||
1643 | \f | |
1644 | #ifdef OBJ_ELF | |
1645 | /* Parse @got, etc. and return the desired relocation. */ | |
1646 | static bfd_reloc_code_real_type | |
98027b10 | 1647 | ppc_elf_suffix (char **str_p, expressionS *exp_p) |
252b5132 RH |
1648 | { |
1649 | struct map_bfd { | |
1650 | char *string; | |
b7d7dc63 AM |
1651 | unsigned int length : 8; |
1652 | unsigned int valid32 : 1; | |
1653 | unsigned int valid64 : 1; | |
1654 | unsigned int reloc; | |
252b5132 RH |
1655 | }; |
1656 | ||
1657 | char ident[20]; | |
1658 | char *str = *str_p; | |
1659 | char *str2; | |
1660 | int ch; | |
1661 | int len; | |
15c1449b | 1662 | const struct map_bfd *ptr; |
252b5132 | 1663 | |
b7d7dc63 AM |
1664 | #define MAP(str, reloc) { str, sizeof (str) - 1, 1, 1, reloc } |
1665 | #define MAP32(str, reloc) { str, sizeof (str) - 1, 1, 0, reloc } | |
1666 | #define MAP64(str, reloc) { str, sizeof (str) - 1, 0, 1, reloc } | |
252b5132 | 1667 | |
15c1449b | 1668 | static const struct map_bfd mapping[] = { |
b7d7dc63 AM |
1669 | MAP ("l", BFD_RELOC_LO16), |
1670 | MAP ("h", BFD_RELOC_HI16), | |
1671 | MAP ("ha", BFD_RELOC_HI16_S), | |
1672 | MAP ("brtaken", BFD_RELOC_PPC_B16_BRTAKEN), | |
1673 | MAP ("brntaken", BFD_RELOC_PPC_B16_BRNTAKEN), | |
1674 | MAP ("got", BFD_RELOC_16_GOTOFF), | |
1675 | MAP ("got@l", BFD_RELOC_LO16_GOTOFF), | |
1676 | MAP ("got@h", BFD_RELOC_HI16_GOTOFF), | |
1677 | MAP ("got@ha", BFD_RELOC_HI16_S_GOTOFF), | |
1678 | MAP ("plt@l", BFD_RELOC_LO16_PLTOFF), | |
1679 | MAP ("plt@h", BFD_RELOC_HI16_PLTOFF), | |
1680 | MAP ("plt@ha", BFD_RELOC_HI16_S_PLTOFF), | |
1681 | MAP ("copy", BFD_RELOC_PPC_COPY), | |
1682 | MAP ("globdat", BFD_RELOC_PPC_GLOB_DAT), | |
1683 | MAP ("sectoff", BFD_RELOC_16_BASEREL), | |
1684 | MAP ("sectoff@l", BFD_RELOC_LO16_BASEREL), | |
1685 | MAP ("sectoff@h", BFD_RELOC_HI16_BASEREL), | |
1686 | MAP ("sectoff@ha", BFD_RELOC_HI16_S_BASEREL), | |
1687 | MAP ("tls", BFD_RELOC_PPC_TLS), | |
1688 | MAP ("dtpmod", BFD_RELOC_PPC_DTPMOD), | |
1689 | MAP ("dtprel", BFD_RELOC_PPC_DTPREL), | |
1690 | MAP ("dtprel@l", BFD_RELOC_PPC_DTPREL16_LO), | |
1691 | MAP ("dtprel@h", BFD_RELOC_PPC_DTPREL16_HI), | |
1692 | MAP ("dtprel@ha", BFD_RELOC_PPC_DTPREL16_HA), | |
1693 | MAP ("tprel", BFD_RELOC_PPC_TPREL), | |
1694 | MAP ("tprel@l", BFD_RELOC_PPC_TPREL16_LO), | |
1695 | MAP ("tprel@h", BFD_RELOC_PPC_TPREL16_HI), | |
1696 | MAP ("tprel@ha", BFD_RELOC_PPC_TPREL16_HA), | |
1697 | MAP ("got@tlsgd", BFD_RELOC_PPC_GOT_TLSGD16), | |
1698 | MAP ("got@tlsgd@l", BFD_RELOC_PPC_GOT_TLSGD16_LO), | |
1699 | MAP ("got@tlsgd@h", BFD_RELOC_PPC_GOT_TLSGD16_HI), | |
1700 | MAP ("got@tlsgd@ha", BFD_RELOC_PPC_GOT_TLSGD16_HA), | |
1701 | MAP ("got@tlsld", BFD_RELOC_PPC_GOT_TLSLD16), | |
1702 | MAP ("got@tlsld@l", BFD_RELOC_PPC_GOT_TLSLD16_LO), | |
1703 | MAP ("got@tlsld@h", BFD_RELOC_PPC_GOT_TLSLD16_HI), | |
1704 | MAP ("got@tlsld@ha", BFD_RELOC_PPC_GOT_TLSLD16_HA), | |
1705 | MAP ("got@dtprel", BFD_RELOC_PPC_GOT_DTPREL16), | |
1706 | MAP ("got@dtprel@l", BFD_RELOC_PPC_GOT_DTPREL16_LO), | |
1707 | MAP ("got@dtprel@h", BFD_RELOC_PPC_GOT_DTPREL16_HI), | |
1708 | MAP ("got@dtprel@ha", BFD_RELOC_PPC_GOT_DTPREL16_HA), | |
1709 | MAP ("got@tprel", BFD_RELOC_PPC_GOT_TPREL16), | |
1710 | MAP ("got@tprel@l", BFD_RELOC_PPC_GOT_TPREL16_LO), | |
1711 | MAP ("got@tprel@h", BFD_RELOC_PPC_GOT_TPREL16_HI), | |
1712 | MAP ("got@tprel@ha", BFD_RELOC_PPC_GOT_TPREL16_HA), | |
1713 | MAP32 ("fixup", BFD_RELOC_CTOR), | |
1714 | MAP32 ("plt", BFD_RELOC_24_PLT_PCREL), | |
1715 | MAP32 ("pltrel24", BFD_RELOC_24_PLT_PCREL), | |
1716 | MAP32 ("local24pc", BFD_RELOC_PPC_LOCAL24PC), | |
1717 | MAP32 ("local", BFD_RELOC_PPC_LOCAL24PC), | |
1718 | MAP32 ("pltrel", BFD_RELOC_32_PLT_PCREL), | |
1719 | MAP32 ("sdarel", BFD_RELOC_GPREL16), | |
1720 | MAP32 ("naddr", BFD_RELOC_PPC_EMB_NADDR32), | |
1721 | MAP32 ("naddr16", BFD_RELOC_PPC_EMB_NADDR16), | |
1722 | MAP32 ("naddr@l", BFD_RELOC_PPC_EMB_NADDR16_LO), | |
1723 | MAP32 ("naddr@h", BFD_RELOC_PPC_EMB_NADDR16_HI), | |
1724 | MAP32 ("naddr@ha", BFD_RELOC_PPC_EMB_NADDR16_HA), | |
1725 | MAP32 ("sdai16", BFD_RELOC_PPC_EMB_SDAI16), | |
1726 | MAP32 ("sda2rel", BFD_RELOC_PPC_EMB_SDA2REL), | |
1727 | MAP32 ("sda2i16", BFD_RELOC_PPC_EMB_SDA2I16), | |
1728 | MAP32 ("sda21", BFD_RELOC_PPC_EMB_SDA21), | |
1729 | MAP32 ("mrkref", BFD_RELOC_PPC_EMB_MRKREF), | |
1730 | MAP32 ("relsect", BFD_RELOC_PPC_EMB_RELSEC16), | |
1731 | MAP32 ("relsect@l", BFD_RELOC_PPC_EMB_RELST_LO), | |
1732 | MAP32 ("relsect@h", BFD_RELOC_PPC_EMB_RELST_HI), | |
1733 | MAP32 ("relsect@ha", BFD_RELOC_PPC_EMB_RELST_HA), | |
1734 | MAP32 ("bitfld", BFD_RELOC_PPC_EMB_BIT_FLD), | |
1735 | MAP32 ("relsda", BFD_RELOC_PPC_EMB_RELSDA), | |
1736 | MAP32 ("xgot", BFD_RELOC_PPC_TOC16), | |
1737 | MAP64 ("higher", BFD_RELOC_PPC64_HIGHER), | |
1738 | MAP64 ("highera", BFD_RELOC_PPC64_HIGHER_S), | |
1739 | MAP64 ("highest", BFD_RELOC_PPC64_HIGHEST), | |
1740 | MAP64 ("highesta", BFD_RELOC_PPC64_HIGHEST_S), | |
1741 | MAP64 ("tocbase", BFD_RELOC_PPC64_TOC), | |
1742 | MAP64 ("toc", BFD_RELOC_PPC_TOC16), | |
1743 | MAP64 ("toc@l", BFD_RELOC_PPC64_TOC16_LO), | |
1744 | MAP64 ("toc@h", BFD_RELOC_PPC64_TOC16_HI), | |
1745 | MAP64 ("toc@ha", BFD_RELOC_PPC64_TOC16_HA), | |
1746 | MAP64 ("dtprel@higher", BFD_RELOC_PPC64_DTPREL16_HIGHER), | |
1747 | MAP64 ("dtprel@highera", BFD_RELOC_PPC64_DTPREL16_HIGHERA), | |
1748 | MAP64 ("dtprel@highest", BFD_RELOC_PPC64_DTPREL16_HIGHEST), | |
1749 | MAP64 ("dtprel@highesta", BFD_RELOC_PPC64_DTPREL16_HIGHESTA), | |
1750 | MAP64 ("tprel@higher", BFD_RELOC_PPC64_TPREL16_HIGHER), | |
1751 | MAP64 ("tprel@highera", BFD_RELOC_PPC64_TPREL16_HIGHERA), | |
1752 | MAP64 ("tprel@highest", BFD_RELOC_PPC64_TPREL16_HIGHEST), | |
1753 | MAP64 ("tprel@highesta", BFD_RELOC_PPC64_TPREL16_HIGHESTA), | |
1754 | { (char *) 0, 0, 0, 0, BFD_RELOC_UNUSED } | |
252b5132 RH |
1755 | }; |
1756 | ||
1757 | if (*str++ != '@') | |
1758 | return BFD_RELOC_UNUSED; | |
1759 | ||
1760 | for (ch = *str, str2 = ident; | |
1761 | (str2 < ident + sizeof (ident) - 1 | |
3882b010 | 1762 | && (ISALNUM (ch) || ch == '@')); |
252b5132 RH |
1763 | ch = *++str) |
1764 | { | |
3882b010 | 1765 | *str2++ = TOLOWER (ch); |
252b5132 RH |
1766 | } |
1767 | ||
1768 | *str2 = '\0'; | |
1769 | len = str2 - ident; | |
1770 | ||
1771 | ch = ident[0]; | |
1772 | for (ptr = &mapping[0]; ptr->length > 0; ptr++) | |
1773 | if (ch == ptr->string[0] | |
1774 | && len == ptr->length | |
b7d7dc63 AM |
1775 | && memcmp (ident, ptr->string, ptr->length) == 0 |
1776 | && (ppc_obj64 ? ptr->valid64 : ptr->valid32)) | |
252b5132 | 1777 | { |
15c1449b AM |
1778 | int reloc = ptr->reloc; |
1779 | ||
cdba85ec | 1780 | if (!ppc_obj64) |
5f6db75a AM |
1781 | if (exp_p->X_add_number != 0 |
1782 | && (reloc == (int) BFD_RELOC_16_GOTOFF | |
1783 | || reloc == (int) BFD_RELOC_LO16_GOTOFF | |
1784 | || reloc == (int) BFD_RELOC_HI16_GOTOFF | |
1785 | || reloc == (int) BFD_RELOC_HI16_S_GOTOFF)) | |
1786 | as_warn (_("identifier+constant@got means identifier@got+constant")); | |
1787 | ||
1788 | /* Now check for identifier@suffix+constant. */ | |
1789 | if (*str == '-' || *str == '+') | |
252b5132 | 1790 | { |
5f6db75a AM |
1791 | char *orig_line = input_line_pointer; |
1792 | expressionS new_exp; | |
1793 | ||
1794 | input_line_pointer = str; | |
1795 | expression (&new_exp); | |
1796 | if (new_exp.X_op == O_constant) | |
252b5132 | 1797 | { |
5f6db75a AM |
1798 | exp_p->X_add_number += new_exp.X_add_number; |
1799 | str = input_line_pointer; | |
252b5132 | 1800 | } |
5f6db75a AM |
1801 | |
1802 | if (&input_line_pointer != str_p) | |
1803 | input_line_pointer = orig_line; | |
252b5132 | 1804 | } |
252b5132 | 1805 | *str_p = str; |
0baf16f2 | 1806 | |
2b3c4602 | 1807 | if (reloc == (int) BFD_RELOC_PPC64_TOC |
9f2b53d7 AM |
1808 | && exp_p->X_op == O_symbol |
1809 | && strcmp (S_GET_NAME (exp_p->X_add_symbol), ".TOC.") == 0) | |
0baf16f2 | 1810 | { |
9f2b53d7 AM |
1811 | /* Change the symbol so that the dummy .TOC. symbol can be |
1812 | omitted from the object file. */ | |
0baf16f2 AM |
1813 | exp_p->X_add_symbol = &abs_symbol; |
1814 | } | |
1815 | ||
15c1449b | 1816 | return (bfd_reloc_code_real_type) reloc; |
252b5132 RH |
1817 | } |
1818 | ||
1819 | return BFD_RELOC_UNUSED; | |
1820 | } | |
1821 | ||
99a814a1 AM |
1822 | /* Like normal .long/.short/.word, except support @got, etc. |
1823 | Clobbers input_line_pointer, checks end-of-line. */ | |
252b5132 | 1824 | static void |
98027b10 | 1825 | ppc_elf_cons (int nbytes /* 1=.byte, 2=.word, 4=.long, 8=.llong */) |
252b5132 RH |
1826 | { |
1827 | expressionS exp; | |
1828 | bfd_reloc_code_real_type reloc; | |
1829 | ||
1830 | if (is_it_end_of_statement ()) | |
1831 | { | |
1832 | demand_empty_rest_of_line (); | |
1833 | return; | |
1834 | } | |
1835 | ||
1836 | do | |
1837 | { | |
1838 | expression (&exp); | |
1839 | if (exp.X_op == O_symbol | |
1840 | && *input_line_pointer == '@' | |
99a814a1 AM |
1841 | && (reloc = ppc_elf_suffix (&input_line_pointer, |
1842 | &exp)) != BFD_RELOC_UNUSED) | |
252b5132 | 1843 | { |
99a814a1 AM |
1844 | reloc_howto_type *reloc_howto; |
1845 | int size; | |
1846 | ||
1847 | reloc_howto = bfd_reloc_type_lookup (stdoutput, reloc); | |
1848 | size = bfd_get_reloc_size (reloc_howto); | |
252b5132 RH |
1849 | |
1850 | if (size > nbytes) | |
0baf16f2 AM |
1851 | { |
1852 | as_bad (_("%s relocations do not fit in %d bytes\n"), | |
1853 | reloc_howto->name, nbytes); | |
1854 | } | |
252b5132 RH |
1855 | else |
1856 | { | |
0baf16f2 AM |
1857 | char *p; |
1858 | int offset; | |
252b5132 | 1859 | |
0baf16f2 AM |
1860 | p = frag_more (nbytes); |
1861 | offset = 0; | |
1862 | if (target_big_endian) | |
1863 | offset = nbytes - size; | |
99a814a1 AM |
1864 | fix_new_exp (frag_now, p - frag_now->fr_literal + offset, size, |
1865 | &exp, 0, reloc); | |
252b5132 RH |
1866 | } |
1867 | } | |
1868 | else | |
1869 | emit_expr (&exp, (unsigned int) nbytes); | |
1870 | } | |
1871 | while (*input_line_pointer++ == ','); | |
1872 | ||
99a814a1 AM |
1873 | /* Put terminator back into stream. */ |
1874 | input_line_pointer--; | |
252b5132 RH |
1875 | demand_empty_rest_of_line (); |
1876 | } | |
1877 | ||
1878 | /* Solaris pseduo op to change to the .rodata section. */ | |
1879 | static void | |
98027b10 | 1880 | ppc_elf_rdata (int xxx) |
252b5132 RH |
1881 | { |
1882 | char *save_line = input_line_pointer; | |
1883 | static char section[] = ".rodata\n"; | |
1884 | ||
99a814a1 | 1885 | /* Just pretend this is .section .rodata */ |
252b5132 RH |
1886 | input_line_pointer = section; |
1887 | obj_elf_section (xxx); | |
1888 | ||
1889 | input_line_pointer = save_line; | |
1890 | } | |
1891 | ||
99a814a1 | 1892 | /* Pseudo op to make file scope bss items. */ |
252b5132 | 1893 | static void |
98027b10 | 1894 | ppc_elf_lcomm (int xxx ATTRIBUTE_UNUSED) |
252b5132 | 1895 | { |
98027b10 AM |
1896 | char *name; |
1897 | char c; | |
1898 | char *p; | |
252b5132 | 1899 | offsetT size; |
98027b10 | 1900 | symbolS *symbolP; |
252b5132 RH |
1901 | offsetT align; |
1902 | segT old_sec; | |
1903 | int old_subsec; | |
1904 | char *pfrag; | |
1905 | int align2; | |
1906 | ||
1907 | name = input_line_pointer; | |
1908 | c = get_symbol_end (); | |
1909 | ||
99a814a1 | 1910 | /* just after name is now '\0'. */ |
252b5132 RH |
1911 | p = input_line_pointer; |
1912 | *p = c; | |
1913 | SKIP_WHITESPACE (); | |
1914 | if (*input_line_pointer != ',') | |
1915 | { | |
1916 | as_bad (_("Expected comma after symbol-name: rest of line ignored.")); | |
1917 | ignore_rest_of_line (); | |
1918 | return; | |
1919 | } | |
1920 | ||
1921 | input_line_pointer++; /* skip ',' */ | |
1922 | if ((size = get_absolute_expression ()) < 0) | |
1923 | { | |
1924 | as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) size); | |
1925 | ignore_rest_of_line (); | |
1926 | return; | |
1927 | } | |
1928 | ||
1929 | /* The third argument to .lcomm is the alignment. */ | |
1930 | if (*input_line_pointer != ',') | |
1931 | align = 8; | |
1932 | else | |
1933 | { | |
1934 | ++input_line_pointer; | |
1935 | align = get_absolute_expression (); | |
1936 | if (align <= 0) | |
1937 | { | |
1938 | as_warn (_("ignoring bad alignment")); | |
1939 | align = 8; | |
1940 | } | |
1941 | } | |
1942 | ||
1943 | *p = 0; | |
1944 | symbolP = symbol_find_or_make (name); | |
1945 | *p = c; | |
1946 | ||
1947 | if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP)) | |
1948 | { | |
1949 | as_bad (_("Ignoring attempt to re-define symbol `%s'."), | |
1950 | S_GET_NAME (symbolP)); | |
1951 | ignore_rest_of_line (); | |
1952 | return; | |
1953 | } | |
1954 | ||
1955 | if (S_GET_VALUE (symbolP) && S_GET_VALUE (symbolP) != (valueT) size) | |
1956 | { | |
1957 | as_bad (_("Length of .lcomm \"%s\" is already %ld. Not changed to %ld."), | |
1958 | S_GET_NAME (symbolP), | |
1959 | (long) S_GET_VALUE (symbolP), | |
1960 | (long) size); | |
1961 | ||
1962 | ignore_rest_of_line (); | |
1963 | return; | |
1964 | } | |
1965 | ||
99a814a1 | 1966 | /* Allocate_bss. */ |
252b5132 RH |
1967 | old_sec = now_seg; |
1968 | old_subsec = now_subseg; | |
1969 | if (align) | |
1970 | { | |
99a814a1 | 1971 | /* Convert to a power of 2 alignment. */ |
252b5132 RH |
1972 | for (align2 = 0; (align & 1) == 0; align >>= 1, ++align2); |
1973 | if (align != 1) | |
1974 | { | |
1975 | as_bad (_("Common alignment not a power of 2")); | |
1976 | ignore_rest_of_line (); | |
1977 | return; | |
1978 | } | |
1979 | } | |
1980 | else | |
1981 | align2 = 0; | |
1982 | ||
1983 | record_alignment (bss_section, align2); | |
1984 | subseg_set (bss_section, 0); | |
1985 | if (align2) | |
1986 | frag_align (align2, 0, 0); | |
1987 | if (S_GET_SEGMENT (symbolP) == bss_section) | |
49309057 ILT |
1988 | symbol_get_frag (symbolP)->fr_symbol = 0; |
1989 | symbol_set_frag (symbolP, frag_now); | |
252b5132 RH |
1990 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, size, |
1991 | (char *) 0); | |
1992 | *pfrag = 0; | |
1993 | S_SET_SIZE (symbolP, size); | |
1994 | S_SET_SEGMENT (symbolP, bss_section); | |
1995 | subseg_set (old_sec, old_subsec); | |
1996 | demand_empty_rest_of_line (); | |
1997 | } | |
1998 | ||
1999 | /* Validate any relocations emitted for -mrelocatable, possibly adding | |
2000 | fixups for word relocations in writable segments, so we can adjust | |
2001 | them at runtime. */ | |
2002 | static void | |
98027b10 | 2003 | ppc_elf_validate_fix (fixS *fixp, segT seg) |
252b5132 RH |
2004 | { |
2005 | if (fixp->fx_done || fixp->fx_pcrel) | |
2006 | return; | |
2007 | ||
2008 | switch (shlib) | |
2009 | { | |
2010 | case SHLIB_NONE: | |
2011 | case SHLIB_PIC: | |
2012 | return; | |
2013 | ||
5d6f4f16 | 2014 | case SHLIB_MRELOCATABLE: |
252b5132 RH |
2015 | if (fixp->fx_r_type <= BFD_RELOC_UNUSED |
2016 | && fixp->fx_r_type != BFD_RELOC_16_GOTOFF | |
2017 | && fixp->fx_r_type != BFD_RELOC_HI16_GOTOFF | |
2018 | && fixp->fx_r_type != BFD_RELOC_LO16_GOTOFF | |
2019 | && fixp->fx_r_type != BFD_RELOC_HI16_S_GOTOFF | |
1cfc59d5 | 2020 | && fixp->fx_r_type != BFD_RELOC_16_BASEREL |
252b5132 RH |
2021 | && fixp->fx_r_type != BFD_RELOC_LO16_BASEREL |
2022 | && fixp->fx_r_type != BFD_RELOC_HI16_BASEREL | |
2023 | && fixp->fx_r_type != BFD_RELOC_HI16_S_BASEREL | |
e138127a | 2024 | && (seg->flags & SEC_LOAD) != 0 |
252b5132 RH |
2025 | && strcmp (segment_name (seg), ".got2") != 0 |
2026 | && strcmp (segment_name (seg), ".dtors") != 0 | |
2027 | && strcmp (segment_name (seg), ".ctors") != 0 | |
2028 | && strcmp (segment_name (seg), ".fixup") != 0 | |
252b5132 RH |
2029 | && strcmp (segment_name (seg), ".gcc_except_table") != 0 |
2030 | && strcmp (segment_name (seg), ".eh_frame") != 0 | |
2031 | && strcmp (segment_name (seg), ".ex_shared") != 0) | |
2032 | { | |
2033 | if ((seg->flags & (SEC_READONLY | SEC_CODE)) != 0 | |
2034 | || fixp->fx_r_type != BFD_RELOC_CTOR) | |
2035 | { | |
2036 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
2037 | _("Relocation cannot be done when using -mrelocatable")); | |
2038 | } | |
2039 | } | |
2040 | return; | |
2041 | } | |
2042 | } | |
0baf16f2 | 2043 | |
7e8d4ab4 AM |
2044 | /* Prevent elf_frob_file_before_adjust removing a weak undefined |
2045 | function descriptor sym if the corresponding code sym is used. */ | |
2046 | ||
2047 | void | |
98027b10 | 2048 | ppc_frob_file_before_adjust (void) |
0baf16f2 | 2049 | { |
7e8d4ab4 | 2050 | symbolS *symp; |
9232bbb0 | 2051 | asection *toc; |
0baf16f2 | 2052 | |
7e8d4ab4 AM |
2053 | if (!ppc_obj64) |
2054 | return; | |
2055 | ||
2056 | for (symp = symbol_rootP; symp; symp = symbol_next (symp)) | |
0baf16f2 | 2057 | { |
7e8d4ab4 AM |
2058 | const char *name; |
2059 | char *dotname; | |
2060 | symbolS *dotsym; | |
2061 | size_t len; | |
2062 | ||
2063 | name = S_GET_NAME (symp); | |
2064 | if (name[0] == '.') | |
2065 | continue; | |
2066 | ||
2067 | if (! S_IS_WEAK (symp) | |
2068 | || S_IS_DEFINED (symp)) | |
2069 | continue; | |
2070 | ||
2071 | len = strlen (name) + 1; | |
2072 | dotname = xmalloc (len + 1); | |
2073 | dotname[0] = '.'; | |
2074 | memcpy (dotname + 1, name, len); | |
461b725f | 2075 | dotsym = symbol_find_noref (dotname, 1); |
7e8d4ab4 AM |
2076 | free (dotname); |
2077 | if (dotsym != NULL && (symbol_used_p (dotsym) | |
2078 | || symbol_used_in_reloc_p (dotsym))) | |
670ec21d NC |
2079 | symbol_mark_used (symp); |
2080 | ||
0baf16f2 AM |
2081 | } |
2082 | ||
9232bbb0 AM |
2083 | toc = bfd_get_section_by_name (stdoutput, ".toc"); |
2084 | if (toc != NULL | |
2085 | && bfd_section_size (stdoutput, toc) > 0x10000) | |
2086 | as_warn (_("TOC section size exceeds 64k")); | |
2087 | ||
7e8d4ab4 AM |
2088 | /* Don't emit .TOC. symbol. */ |
2089 | symp = symbol_find (".TOC."); | |
2090 | if (symp != NULL) | |
2091 | symbol_remove (symp, &symbol_rootP, &symbol_lastP); | |
0baf16f2 | 2092 | } |
252b5132 RH |
2093 | #endif /* OBJ_ELF */ |
2094 | \f | |
2095 | #ifdef TE_PE | |
2096 | ||
2097 | /* | |
99a814a1 | 2098 | * Summary of parse_toc_entry. |
252b5132 RH |
2099 | * |
2100 | * in: Input_line_pointer points to the '[' in one of: | |
2101 | * | |
2102 | * [toc] [tocv] [toc32] [toc64] | |
2103 | * | |
2104 | * Anything else is an error of one kind or another. | |
2105 | * | |
81d4177b | 2106 | * out: |
252b5132 RH |
2107 | * return value: success or failure |
2108 | * toc_kind: kind of toc reference | |
2109 | * input_line_pointer: | |
2110 | * success: first char after the ']' | |
2111 | * failure: unchanged | |
2112 | * | |
2113 | * settings: | |
2114 | * | |
2115 | * [toc] - rv == success, toc_kind = default_toc | |
2116 | * [tocv] - rv == success, toc_kind = data_in_toc | |
2117 | * [toc32] - rv == success, toc_kind = must_be_32 | |
2118 | * [toc64] - rv == success, toc_kind = must_be_64 | |
2119 | * | |
2120 | */ | |
2121 | ||
81d4177b KH |
2122 | enum toc_size_qualifier |
2123 | { | |
252b5132 RH |
2124 | default_toc, /* The toc cell constructed should be the system default size */ |
2125 | data_in_toc, /* This is a direct reference to a toc cell */ | |
2126 | must_be_32, /* The toc cell constructed must be 32 bits wide */ | |
2127 | must_be_64 /* The toc cell constructed must be 64 bits wide */ | |
2128 | }; | |
2129 | ||
2130 | static int | |
98027b10 | 2131 | parse_toc_entry (enum toc_size_qualifier *toc_kind) |
252b5132 RH |
2132 | { |
2133 | char *start; | |
2134 | char *toc_spec; | |
2135 | char c; | |
2136 | enum toc_size_qualifier t; | |
2137 | ||
99a814a1 | 2138 | /* Save the input_line_pointer. */ |
252b5132 RH |
2139 | start = input_line_pointer; |
2140 | ||
99a814a1 | 2141 | /* Skip over the '[' , and whitespace. */ |
252b5132 RH |
2142 | ++input_line_pointer; |
2143 | SKIP_WHITESPACE (); | |
81d4177b | 2144 | |
99a814a1 | 2145 | /* Find the spelling of the operand. */ |
252b5132 RH |
2146 | toc_spec = input_line_pointer; |
2147 | c = get_symbol_end (); | |
2148 | ||
99a814a1 | 2149 | if (strcmp (toc_spec, "toc") == 0) |
252b5132 RH |
2150 | { |
2151 | t = default_toc; | |
2152 | } | |
99a814a1 | 2153 | else if (strcmp (toc_spec, "tocv") == 0) |
252b5132 RH |
2154 | { |
2155 | t = data_in_toc; | |
2156 | } | |
99a814a1 | 2157 | else if (strcmp (toc_spec, "toc32") == 0) |
252b5132 RH |
2158 | { |
2159 | t = must_be_32; | |
2160 | } | |
99a814a1 | 2161 | else if (strcmp (toc_spec, "toc64") == 0) |
252b5132 RH |
2162 | { |
2163 | t = must_be_64; | |
2164 | } | |
2165 | else | |
2166 | { | |
2167 | as_bad (_("syntax error: invalid toc specifier `%s'"), toc_spec); | |
99a814a1 AM |
2168 | *input_line_pointer = c; |
2169 | input_line_pointer = start; | |
252b5132 RH |
2170 | return 0; |
2171 | } | |
2172 | ||
99a814a1 AM |
2173 | /* Now find the ']'. */ |
2174 | *input_line_pointer = c; | |
252b5132 | 2175 | |
81d4177b KH |
2176 | SKIP_WHITESPACE (); /* leading whitespace could be there. */ |
2177 | c = *input_line_pointer++; /* input_line_pointer->past char in c. */ | |
252b5132 RH |
2178 | |
2179 | if (c != ']') | |
2180 | { | |
2181 | as_bad (_("syntax error: expected `]', found `%c'"), c); | |
99a814a1 | 2182 | input_line_pointer = start; |
252b5132 RH |
2183 | return 0; |
2184 | } | |
2185 | ||
99a814a1 | 2186 | *toc_kind = t; |
252b5132 RH |
2187 | return 1; |
2188 | } | |
2189 | #endif | |
2190 | \f | |
2191 | ||
dc1d03fc | 2192 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
2193 | #define APUID(a,v) ((((a) & 0xffff) << 16) | ((v) & 0xffff)) |
2194 | static void | |
98027b10 | 2195 | ppc_apuinfo_section_add (unsigned int apu, unsigned int version) |
6a0c61b7 EZ |
2196 | { |
2197 | unsigned int i; | |
2198 | ||
2199 | /* Check we don't already exist. */ | |
2200 | for (i = 0; i < ppc_apuinfo_num; i++) | |
dc1d03fc | 2201 | if (ppc_apuinfo_list[i] == APUID (apu, version)) |
6a0c61b7 | 2202 | return; |
b34976b6 | 2203 | |
6a0c61b7 EZ |
2204 | if (ppc_apuinfo_num == ppc_apuinfo_num_alloc) |
2205 | { | |
2206 | if (ppc_apuinfo_num_alloc == 0) | |
2207 | { | |
2208 | ppc_apuinfo_num_alloc = 4; | |
2209 | ppc_apuinfo_list = (unsigned long *) | |
2210 | xmalloc (sizeof (unsigned long) * ppc_apuinfo_num_alloc); | |
2211 | } | |
2212 | else | |
2213 | { | |
2214 | ppc_apuinfo_num_alloc += 4; | |
2215 | ppc_apuinfo_list = (unsigned long *) xrealloc (ppc_apuinfo_list, | |
2216 | sizeof (unsigned long) * ppc_apuinfo_num_alloc); | |
2217 | } | |
2218 | } | |
dc1d03fc | 2219 | ppc_apuinfo_list[ppc_apuinfo_num++] = APUID (apu, version); |
6a0c61b7 EZ |
2220 | } |
2221 | #undef APUID | |
dc1d03fc | 2222 | #endif |
6a0c61b7 EZ |
2223 | \f |
2224 | ||
252b5132 RH |
2225 | /* We need to keep a list of fixups. We can't simply generate them as |
2226 | we go, because that would require us to first create the frag, and | |
2227 | that would screw up references to ``.''. */ | |
2228 | ||
2229 | struct ppc_fixup | |
2230 | { | |
2231 | expressionS exp; | |
2232 | int opindex; | |
2233 | bfd_reloc_code_real_type reloc; | |
2234 | }; | |
2235 | ||
2236 | #define MAX_INSN_FIXUPS (5) | |
2237 | ||
2238 | /* This routine is called for each instruction to be assembled. */ | |
2239 | ||
2240 | void | |
98027b10 | 2241 | md_assemble (char *str) |
252b5132 RH |
2242 | { |
2243 | char *s; | |
2244 | const struct powerpc_opcode *opcode; | |
2245 | unsigned long insn; | |
2246 | const unsigned char *opindex_ptr; | |
2247 | int skip_optional; | |
2248 | int need_paren; | |
2249 | int next_opindex; | |
2250 | struct ppc_fixup fixups[MAX_INSN_FIXUPS]; | |
2251 | int fc; | |
2252 | char *f; | |
09b935ac | 2253 | int addr_mod; |
252b5132 RH |
2254 | int i; |
2255 | #ifdef OBJ_ELF | |
2256 | bfd_reloc_code_real_type reloc; | |
2257 | #endif | |
2258 | ||
2259 | /* Get the opcode. */ | |
3882b010 | 2260 | for (s = str; *s != '\0' && ! ISSPACE (*s); s++) |
252b5132 RH |
2261 | ; |
2262 | if (*s != '\0') | |
2263 | *s++ = '\0'; | |
2264 | ||
2265 | /* Look up the opcode in the hash table. */ | |
2266 | opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, str); | |
2267 | if (opcode == (const struct powerpc_opcode *) NULL) | |
2268 | { | |
2269 | const struct powerpc_macro *macro; | |
2270 | ||
2271 | macro = (const struct powerpc_macro *) hash_find (ppc_macro_hash, str); | |
2272 | if (macro == (const struct powerpc_macro *) NULL) | |
2273 | as_bad (_("Unrecognized opcode: `%s'"), str); | |
2274 | else | |
2275 | ppc_macro (s, macro); | |
2276 | ||
2277 | return; | |
2278 | } | |
2279 | ||
2280 | insn = opcode->opcode; | |
2281 | ||
2282 | str = s; | |
3882b010 | 2283 | while (ISSPACE (*str)) |
252b5132 RH |
2284 | ++str; |
2285 | ||
2286 | /* PowerPC operands are just expressions. The only real issue is | |
2287 | that a few operand types are optional. All cases which might use | |
1f6c9eb0 ZW |
2288 | an optional operand separate the operands only with commas (in some |
2289 | cases parentheses are used, as in ``lwz 1,0(1)'' but such cases never | |
2290 | have optional operands). Most instructions with optional operands | |
2291 | have only one. Those that have more than one optional operand can | |
2292 | take either all their operands or none. So, before we start seriously | |
2293 | parsing the operands, we check to see if we have optional operands, | |
2294 | and if we do, we count the number of commas to see which operands | |
2295 | have been omitted. */ | |
252b5132 RH |
2296 | skip_optional = 0; |
2297 | for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++) | |
2298 | { | |
2299 | const struct powerpc_operand *operand; | |
2300 | ||
2301 | operand = &powerpc_operands[*opindex_ptr]; | |
2302 | if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0) | |
2303 | { | |
2304 | unsigned int opcount; | |
7fe9cf6b NC |
2305 | unsigned int num_operands_expected; |
2306 | unsigned int i; | |
252b5132 RH |
2307 | |
2308 | /* There is an optional operand. Count the number of | |
2309 | commas in the input line. */ | |
2310 | if (*str == '\0') | |
2311 | opcount = 0; | |
2312 | else | |
2313 | { | |
2314 | opcount = 1; | |
2315 | s = str; | |
2316 | while ((s = strchr (s, ',')) != (char *) NULL) | |
2317 | { | |
2318 | ++opcount; | |
2319 | ++s; | |
2320 | } | |
2321 | } | |
2322 | ||
7fe9cf6b NC |
2323 | /* Compute the number of expected operands. |
2324 | Do not count fake operands. */ | |
2325 | for (num_operands_expected = 0, i = 0; opcode->operands[i]; i ++) | |
2326 | if ((powerpc_operands [opcode->operands[i]].flags & PPC_OPERAND_FAKE) == 0) | |
2327 | ++ num_operands_expected; | |
2328 | ||
252b5132 RH |
2329 | /* If there are fewer operands in the line then are called |
2330 | for by the instruction, we want to skip the optional | |
1f6c9eb0 | 2331 | operands. */ |
7fe9cf6b | 2332 | if (opcount < num_operands_expected) |
252b5132 RH |
2333 | skip_optional = 1; |
2334 | ||
2335 | break; | |
2336 | } | |
2337 | } | |
2338 | ||
2339 | /* Gather the operands. */ | |
2340 | need_paren = 0; | |
2341 | next_opindex = 0; | |
2342 | fc = 0; | |
2343 | for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++) | |
2344 | { | |
2345 | const struct powerpc_operand *operand; | |
2346 | const char *errmsg; | |
2347 | char *hold; | |
2348 | expressionS ex; | |
2349 | char endc; | |
2350 | ||
2351 | if (next_opindex == 0) | |
2352 | operand = &powerpc_operands[*opindex_ptr]; | |
2353 | else | |
2354 | { | |
2355 | operand = &powerpc_operands[next_opindex]; | |
2356 | next_opindex = 0; | |
2357 | } | |
252b5132 RH |
2358 | errmsg = NULL; |
2359 | ||
2360 | /* If this is a fake operand, then we do not expect anything | |
2361 | from the input. */ | |
2362 | if ((operand->flags & PPC_OPERAND_FAKE) != 0) | |
2363 | { | |
2b3c4602 | 2364 | insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg); |
252b5132 RH |
2365 | if (errmsg != (const char *) NULL) |
2366 | as_bad (errmsg); | |
2367 | continue; | |
2368 | } | |
2369 | ||
2370 | /* If this is an optional operand, and we are skipping it, just | |
2371 | insert a zero. */ | |
2372 | if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0 | |
2373 | && skip_optional) | |
2374 | { | |
2375 | if (operand->insert) | |
2376 | { | |
2b3c4602 | 2377 | insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg); |
252b5132 RH |
2378 | if (errmsg != (const char *) NULL) |
2379 | as_bad (errmsg); | |
2380 | } | |
2381 | if ((operand->flags & PPC_OPERAND_NEXT) != 0) | |
2382 | next_opindex = *opindex_ptr + 1; | |
2383 | continue; | |
2384 | } | |
2385 | ||
2386 | /* Gather the operand. */ | |
2387 | hold = input_line_pointer; | |
2388 | input_line_pointer = str; | |
2389 | ||
2390 | #ifdef TE_PE | |
81d4177b | 2391 | if (*input_line_pointer == '[') |
252b5132 RH |
2392 | { |
2393 | /* We are expecting something like the second argument here: | |
99a814a1 AM |
2394 | * |
2395 | * lwz r4,[toc].GS.0.static_int(rtoc) | |
2396 | * ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |
2397 | * The argument following the `]' must be a symbol name, and the | |
2398 | * register must be the toc register: 'rtoc' or '2' | |
2399 | * | |
2400 | * The effect is to 0 as the displacement field | |
2401 | * in the instruction, and issue an IMAGE_REL_PPC_TOCREL16 (or | |
2402 | * the appropriate variation) reloc against it based on the symbol. | |
2403 | * The linker will build the toc, and insert the resolved toc offset. | |
2404 | * | |
2405 | * Note: | |
2406 | * o The size of the toc entry is currently assumed to be | |
2407 | * 32 bits. This should not be assumed to be a hard coded | |
2408 | * number. | |
2409 | * o In an effort to cope with a change from 32 to 64 bits, | |
2410 | * there are also toc entries that are specified to be | |
2411 | * either 32 or 64 bits: | |
2412 | * lwz r4,[toc32].GS.0.static_int(rtoc) | |
2413 | * lwz r4,[toc64].GS.0.static_int(rtoc) | |
2414 | * These demand toc entries of the specified size, and the | |
2415 | * instruction probably requires it. | |
2416 | */ | |
252b5132 RH |
2417 | |
2418 | int valid_toc; | |
2419 | enum toc_size_qualifier toc_kind; | |
2420 | bfd_reloc_code_real_type toc_reloc; | |
2421 | ||
99a814a1 AM |
2422 | /* Go parse off the [tocXX] part. */ |
2423 | valid_toc = parse_toc_entry (&toc_kind); | |
252b5132 | 2424 | |
81d4177b | 2425 | if (!valid_toc) |
252b5132 | 2426 | { |
99a814a1 AM |
2427 | /* Note: message has already been issued. |
2428 | FIXME: what sort of recovery should we do? | |
2429 | demand_rest_of_line (); return; ? */ | |
252b5132 RH |
2430 | } |
2431 | ||
99a814a1 AM |
2432 | /* Now get the symbol following the ']'. */ |
2433 | expression (&ex); | |
252b5132 RH |
2434 | |
2435 | switch (toc_kind) | |
2436 | { | |
2437 | case default_toc: | |
99a814a1 AM |
2438 | /* In this case, we may not have seen the symbol yet, |
2439 | since it is allowed to appear on a .extern or .globl | |
2440 | or just be a label in the .data section. */ | |
252b5132 RH |
2441 | toc_reloc = BFD_RELOC_PPC_TOC16; |
2442 | break; | |
2443 | case data_in_toc: | |
99a814a1 AM |
2444 | /* 1. The symbol must be defined and either in the toc |
2445 | section, or a global. | |
2446 | 2. The reloc generated must have the TOCDEFN flag set | |
2447 | in upper bit mess of the reloc type. | |
2448 | FIXME: It's a little confusing what the tocv | |
2449 | qualifier can be used for. At the very least, I've | |
2450 | seen three uses, only one of which I'm sure I can | |
2451 | explain. */ | |
81d4177b KH |
2452 | if (ex.X_op == O_symbol) |
2453 | { | |
252b5132 | 2454 | assert (ex.X_add_symbol != NULL); |
fed9b18a ILT |
2455 | if (symbol_get_bfdsym (ex.X_add_symbol)->section |
2456 | != tocdata_section) | |
252b5132 | 2457 | { |
99a814a1 | 2458 | as_bad (_("[tocv] symbol is not a toc symbol")); |
252b5132 RH |
2459 | } |
2460 | } | |
2461 | ||
2462 | toc_reloc = BFD_RELOC_PPC_TOC16; | |
2463 | break; | |
2464 | case must_be_32: | |
99a814a1 AM |
2465 | /* FIXME: these next two specifically specify 32/64 bit |
2466 | toc entries. We don't support them today. Is this | |
2467 | the right way to say that? */ | |
252b5132 RH |
2468 | toc_reloc = BFD_RELOC_UNUSED; |
2469 | as_bad (_("Unimplemented toc32 expression modifier")); | |
2470 | break; | |
2471 | case must_be_64: | |
99a814a1 | 2472 | /* FIXME: see above. */ |
252b5132 RH |
2473 | toc_reloc = BFD_RELOC_UNUSED; |
2474 | as_bad (_("Unimplemented toc64 expression modifier")); | |
2475 | break; | |
2476 | default: | |
bc805888 | 2477 | fprintf (stderr, |
99a814a1 AM |
2478 | _("Unexpected return value [%d] from parse_toc_entry!\n"), |
2479 | toc_kind); | |
bc805888 | 2480 | abort (); |
252b5132 RH |
2481 | break; |
2482 | } | |
2483 | ||
2484 | /* We need to generate a fixup for this expression. */ | |
2485 | if (fc >= MAX_INSN_FIXUPS) | |
2486 | as_fatal (_("too many fixups")); | |
2487 | ||
2488 | fixups[fc].reloc = toc_reloc; | |
2489 | fixups[fc].exp = ex; | |
2490 | fixups[fc].opindex = *opindex_ptr; | |
2491 | ++fc; | |
2492 | ||
99a814a1 AM |
2493 | /* Ok. We've set up the fixup for the instruction. Now make it |
2494 | look like the constant 0 was found here. */ | |
252b5132 RH |
2495 | ex.X_unsigned = 1; |
2496 | ex.X_op = O_constant; | |
2497 | ex.X_add_number = 0; | |
2498 | ex.X_add_symbol = NULL; | |
2499 | ex.X_op_symbol = NULL; | |
2500 | } | |
2501 | ||
2502 | else | |
2503 | #endif /* TE_PE */ | |
2504 | { | |
2ad068be AM |
2505 | if ((reg_names_p && (operand->flags & PPC_OPERAND_CR) != 0) |
2506 | || !register_name (&ex)) | |
252b5132 | 2507 | { |
13abbae3 AM |
2508 | char save_lex = lex_type['%']; |
2509 | ||
252b5132 | 2510 | if ((operand->flags & PPC_OPERAND_CR) != 0) |
13abbae3 AM |
2511 | { |
2512 | cr_operand = TRUE; | |
2513 | lex_type['%'] |= LEX_BEGIN_NAME; | |
2514 | } | |
252b5132 | 2515 | expression (&ex); |
b34976b6 | 2516 | cr_operand = FALSE; |
13abbae3 | 2517 | lex_type['%'] = save_lex; |
252b5132 RH |
2518 | } |
2519 | } | |
2520 | ||
2521 | str = input_line_pointer; | |
2522 | input_line_pointer = hold; | |
2523 | ||
2524 | if (ex.X_op == O_illegal) | |
2525 | as_bad (_("illegal operand")); | |
2526 | else if (ex.X_op == O_absent) | |
2527 | as_bad (_("missing operand")); | |
2528 | else if (ex.X_op == O_register) | |
2529 | { | |
2530 | insn = ppc_insert_operand (insn, operand, ex.X_add_number, | |
783de163 | 2531 | ppc_cpu, (char *) NULL, 0); |
252b5132 RH |
2532 | } |
2533 | else if (ex.X_op == O_constant) | |
2534 | { | |
2535 | #ifdef OBJ_ELF | |
81d4177b | 2536 | /* Allow @HA, @L, @H on constants. */ |
252b5132 RH |
2537 | char *orig_str = str; |
2538 | ||
2539 | if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED) | |
2540 | switch (reloc) | |
2541 | { | |
2542 | default: | |
2543 | str = orig_str; | |
2544 | break; | |
2545 | ||
2546 | case BFD_RELOC_LO16: | |
2547 | /* X_unsigned is the default, so if the user has done | |
0baf16f2 AM |
2548 | something which cleared it, we always produce a |
2549 | signed value. */ | |
2550 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
252b5132 RH |
2551 | ex.X_add_number &= 0xffff; |
2552 | else | |
0baf16f2 | 2553 | ex.X_add_number = SEX16 (ex.X_add_number); |
252b5132 RH |
2554 | break; |
2555 | ||
2556 | case BFD_RELOC_HI16: | |
0baf16f2 AM |
2557 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) |
2558 | ex.X_add_number = PPC_HI (ex.X_add_number); | |
2559 | else | |
2560 | ex.X_add_number = SEX16 (PPC_HI (ex.X_add_number)); | |
252b5132 RH |
2561 | break; |
2562 | ||
2563 | case BFD_RELOC_HI16_S: | |
0baf16f2 AM |
2564 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) |
2565 | ex.X_add_number = PPC_HA (ex.X_add_number); | |
2566 | else | |
2567 | ex.X_add_number = SEX16 (PPC_HA (ex.X_add_number)); | |
2568 | break; | |
2569 | ||
0baf16f2 AM |
2570 | case BFD_RELOC_PPC64_HIGHER: |
2571 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2572 | ex.X_add_number = PPC_HIGHER (ex.X_add_number); | |
2573 | else | |
2574 | ex.X_add_number = SEX16 (PPC_HIGHER (ex.X_add_number)); | |
2575 | break; | |
2576 | ||
2577 | case BFD_RELOC_PPC64_HIGHER_S: | |
2578 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2579 | ex.X_add_number = PPC_HIGHERA (ex.X_add_number); | |
2580 | else | |
2581 | ex.X_add_number = SEX16 (PPC_HIGHERA (ex.X_add_number)); | |
252b5132 | 2582 | break; |
0baf16f2 AM |
2583 | |
2584 | case BFD_RELOC_PPC64_HIGHEST: | |
2585 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2586 | ex.X_add_number = PPC_HIGHEST (ex.X_add_number); | |
2587 | else | |
2588 | ex.X_add_number = SEX16 (PPC_HIGHEST (ex.X_add_number)); | |
2589 | break; | |
2590 | ||
2591 | case BFD_RELOC_PPC64_HIGHEST_S: | |
2592 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2593 | ex.X_add_number = PPC_HIGHESTA (ex.X_add_number); | |
2594 | else | |
2595 | ex.X_add_number = SEX16 (PPC_HIGHESTA (ex.X_add_number)); | |
2596 | break; | |
252b5132 | 2597 | } |
0baf16f2 | 2598 | #endif /* OBJ_ELF */ |
252b5132 | 2599 | insn = ppc_insert_operand (insn, operand, ex.X_add_number, |
783de163 | 2600 | ppc_cpu, (char *) NULL, 0); |
252b5132 RH |
2601 | } |
2602 | #ifdef OBJ_ELF | |
2603 | else if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED) | |
2604 | { | |
cdba85ec AM |
2605 | /* Some TLS tweaks. */ |
2606 | switch (reloc) | |
2607 | { | |
2608 | default: | |
2609 | break; | |
2610 | case BFD_RELOC_PPC_TLS: | |
2611 | insn = ppc_insert_operand (insn, operand, ppc_obj64 ? 13 : 2, | |
783de163 | 2612 | ppc_cpu, (char *) NULL, 0); |
cdba85ec AM |
2613 | break; |
2614 | /* We'll only use the 32 (or 64) bit form of these relocations | |
2615 | in constants. Instructions get the 16 bit form. */ | |
2616 | case BFD_RELOC_PPC_DTPREL: | |
2617 | reloc = BFD_RELOC_PPC_DTPREL16; | |
2618 | break; | |
2619 | case BFD_RELOC_PPC_TPREL: | |
2620 | reloc = BFD_RELOC_PPC_TPREL16; | |
2621 | break; | |
2622 | } | |
2623 | ||
99a814a1 AM |
2624 | /* For the absolute forms of branches, convert the PC |
2625 | relative form back into the absolute. */ | |
252b5132 RH |
2626 | if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0) |
2627 | { | |
2628 | switch (reloc) | |
2629 | { | |
2630 | case BFD_RELOC_PPC_B26: | |
2631 | reloc = BFD_RELOC_PPC_BA26; | |
2632 | break; | |
2633 | case BFD_RELOC_PPC_B16: | |
2634 | reloc = BFD_RELOC_PPC_BA16; | |
2635 | break; | |
2636 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
2637 | reloc = BFD_RELOC_PPC_BA16_BRTAKEN; | |
2638 | break; | |
2639 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
2640 | reloc = BFD_RELOC_PPC_BA16_BRNTAKEN; | |
2641 | break; | |
2642 | default: | |
2643 | break; | |
2644 | } | |
2645 | } | |
2646 | ||
2b3c4602 | 2647 | if (ppc_obj64 |
adadcc0c | 2648 | && (operand->flags & (PPC_OPERAND_DS | PPC_OPERAND_DQ)) != 0) |
0baf16f2 AM |
2649 | { |
2650 | switch (reloc) | |
2651 | { | |
2652 | case BFD_RELOC_16: | |
2653 | reloc = BFD_RELOC_PPC64_ADDR16_DS; | |
2654 | break; | |
2655 | case BFD_RELOC_LO16: | |
2656 | reloc = BFD_RELOC_PPC64_ADDR16_LO_DS; | |
2657 | break; | |
2658 | case BFD_RELOC_16_GOTOFF: | |
2659 | reloc = BFD_RELOC_PPC64_GOT16_DS; | |
2660 | break; | |
2661 | case BFD_RELOC_LO16_GOTOFF: | |
2662 | reloc = BFD_RELOC_PPC64_GOT16_LO_DS; | |
2663 | break; | |
2664 | case BFD_RELOC_LO16_PLTOFF: | |
2665 | reloc = BFD_RELOC_PPC64_PLT16_LO_DS; | |
2666 | break; | |
1cfc59d5 | 2667 | case BFD_RELOC_16_BASEREL: |
0baf16f2 AM |
2668 | reloc = BFD_RELOC_PPC64_SECTOFF_DS; |
2669 | break; | |
2670 | case BFD_RELOC_LO16_BASEREL: | |
2671 | reloc = BFD_RELOC_PPC64_SECTOFF_LO_DS; | |
2672 | break; | |
2673 | case BFD_RELOC_PPC_TOC16: | |
2674 | reloc = BFD_RELOC_PPC64_TOC16_DS; | |
2675 | break; | |
2676 | case BFD_RELOC_PPC64_TOC16_LO: | |
2677 | reloc = BFD_RELOC_PPC64_TOC16_LO_DS; | |
2678 | break; | |
2679 | case BFD_RELOC_PPC64_PLTGOT16: | |
2680 | reloc = BFD_RELOC_PPC64_PLTGOT16_DS; | |
2681 | break; | |
2682 | case BFD_RELOC_PPC64_PLTGOT16_LO: | |
2683 | reloc = BFD_RELOC_PPC64_PLTGOT16_LO_DS; | |
2684 | break; | |
cdba85ec AM |
2685 | case BFD_RELOC_PPC_DTPREL16: |
2686 | reloc = BFD_RELOC_PPC64_DTPREL16_DS; | |
2687 | break; | |
2688 | case BFD_RELOC_PPC_DTPREL16_LO: | |
2689 | reloc = BFD_RELOC_PPC64_DTPREL16_LO_DS; | |
2690 | break; | |
2691 | case BFD_RELOC_PPC_TPREL16: | |
2692 | reloc = BFD_RELOC_PPC64_TPREL16_DS; | |
2693 | break; | |
2694 | case BFD_RELOC_PPC_TPREL16_LO: | |
2695 | reloc = BFD_RELOC_PPC64_TPREL16_LO_DS; | |
2696 | break; | |
2697 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
2698 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
2699 | case BFD_RELOC_PPC_GOT_TPREL16: | |
2700 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
2701 | break; | |
0baf16f2 AM |
2702 | default: |
2703 | as_bad (_("unsupported relocation for DS offset field")); | |
2704 | break; | |
2705 | } | |
2706 | } | |
2707 | ||
252b5132 RH |
2708 | /* We need to generate a fixup for this expression. */ |
2709 | if (fc >= MAX_INSN_FIXUPS) | |
2710 | as_fatal (_("too many fixups")); | |
2711 | fixups[fc].exp = ex; | |
2712 | fixups[fc].opindex = 0; | |
2713 | fixups[fc].reloc = reloc; | |
2714 | ++fc; | |
2715 | } | |
2716 | #endif /* OBJ_ELF */ | |
2717 | ||
2718 | else | |
2719 | { | |
2720 | /* We need to generate a fixup for this expression. */ | |
2721 | if (fc >= MAX_INSN_FIXUPS) | |
2722 | as_fatal (_("too many fixups")); | |
2723 | fixups[fc].exp = ex; | |
2724 | fixups[fc].opindex = *opindex_ptr; | |
2725 | fixups[fc].reloc = BFD_RELOC_UNUSED; | |
2726 | ++fc; | |
2727 | } | |
2728 | ||
2729 | if (need_paren) | |
2730 | { | |
2731 | endc = ')'; | |
2732 | need_paren = 0; | |
c3d65c1c BE |
2733 | /* If expecting more operands, then we want to see "),". */ |
2734 | if (*str == endc && opindex_ptr[1] != 0) | |
2735 | { | |
2736 | do | |
2737 | ++str; | |
2738 | while (ISSPACE (*str)); | |
2739 | endc = ','; | |
2740 | } | |
252b5132 RH |
2741 | } |
2742 | else if ((operand->flags & PPC_OPERAND_PARENS) != 0) | |
2743 | { | |
2744 | endc = '('; | |
2745 | need_paren = 1; | |
2746 | } | |
2747 | else | |
2748 | endc = ','; | |
2749 | ||
2750 | /* The call to expression should have advanced str past any | |
2751 | whitespace. */ | |
2752 | if (*str != endc | |
2753 | && (endc != ',' || *str != '\0')) | |
2754 | { | |
2755 | as_bad (_("syntax error; found `%c' but expected `%c'"), *str, endc); | |
2756 | break; | |
2757 | } | |
2758 | ||
2759 | if (*str != '\0') | |
2760 | ++str; | |
2761 | } | |
2762 | ||
3882b010 | 2763 | while (ISSPACE (*str)) |
252b5132 RH |
2764 | ++str; |
2765 | ||
2766 | if (*str != '\0') | |
2767 | as_bad (_("junk at end of line: `%s'"), str); | |
2768 | ||
dc1d03fc | 2769 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
2770 | /* Do we need/want a APUinfo section? */ |
2771 | if (ppc_cpu & (PPC_OPCODE_SPE | |
2772 | | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | |
2773 | | PPC_OPCODE_BRLOCK | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | |
2774 | | PPC_OPCODE_RFMCI)) | |
2775 | { | |
2776 | /* These are all version "1". */ | |
2777 | if (opcode->flags & PPC_OPCODE_SPE) | |
b34976b6 | 2778 | ppc_apuinfo_section_add (PPC_APUINFO_SPE, 1); |
6a0c61b7 | 2779 | if (opcode->flags & PPC_OPCODE_ISEL) |
b34976b6 | 2780 | ppc_apuinfo_section_add (PPC_APUINFO_ISEL, 1); |
6a0c61b7 | 2781 | if (opcode->flags & PPC_OPCODE_EFS) |
b34976b6 | 2782 | ppc_apuinfo_section_add (PPC_APUINFO_EFS, 1); |
6a0c61b7 | 2783 | if (opcode->flags & PPC_OPCODE_BRLOCK) |
b34976b6 | 2784 | ppc_apuinfo_section_add (PPC_APUINFO_BRLOCK, 1); |
6a0c61b7 | 2785 | if (opcode->flags & PPC_OPCODE_PMR) |
b34976b6 | 2786 | ppc_apuinfo_section_add (PPC_APUINFO_PMR, 1); |
6a0c61b7 | 2787 | if (opcode->flags & PPC_OPCODE_CACHELCK) |
b34976b6 | 2788 | ppc_apuinfo_section_add (PPC_APUINFO_CACHELCK, 1); |
6a0c61b7 | 2789 | if (opcode->flags & PPC_OPCODE_RFMCI) |
b34976b6 | 2790 | ppc_apuinfo_section_add (PPC_APUINFO_RFMCI, 1); |
6a0c61b7 | 2791 | } |
dc1d03fc | 2792 | #endif |
6a0c61b7 | 2793 | |
252b5132 RH |
2794 | /* Write out the instruction. */ |
2795 | f = frag_more (4); | |
09b935ac AM |
2796 | addr_mod = frag_now_fix () & 3; |
2797 | if (frag_now->has_code && frag_now->insn_addr != addr_mod) | |
2798 | as_bad (_("instruction address is not a multiple of 4")); | |
2799 | frag_now->insn_addr = addr_mod; | |
2800 | frag_now->has_code = 1; | |
252b5132 RH |
2801 | md_number_to_chars (f, insn, 4); |
2802 | ||
5d6f4f16 GK |
2803 | #ifdef OBJ_ELF |
2804 | dwarf2_emit_insn (4); | |
2805 | #endif | |
2806 | ||
252b5132 RH |
2807 | /* Create any fixups. At this point we do not use a |
2808 | bfd_reloc_code_real_type, but instead just use the | |
2809 | BFD_RELOC_UNUSED plus the operand index. This lets us easily | |
2810 | handle fixups for any operand type, although that is admittedly | |
2811 | not a very exciting feature. We pick a BFD reloc type in | |
55cf6793 | 2812 | md_apply_fix. */ |
252b5132 RH |
2813 | for (i = 0; i < fc; i++) |
2814 | { | |
2815 | const struct powerpc_operand *operand; | |
2816 | ||
2817 | operand = &powerpc_operands[fixups[i].opindex]; | |
2818 | if (fixups[i].reloc != BFD_RELOC_UNUSED) | |
2819 | { | |
99a814a1 | 2820 | reloc_howto_type *reloc_howto; |
252b5132 RH |
2821 | int size; |
2822 | int offset; | |
2823 | fixS *fixP; | |
2824 | ||
99a814a1 | 2825 | reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc); |
252b5132 RH |
2826 | if (!reloc_howto) |
2827 | abort (); | |
2828 | ||
2829 | size = bfd_get_reloc_size (reloc_howto); | |
2830 | offset = target_big_endian ? (4 - size) : 0; | |
2831 | ||
2832 | if (size < 1 || size > 4) | |
bc805888 | 2833 | abort (); |
252b5132 | 2834 | |
99a814a1 AM |
2835 | fixP = fix_new_exp (frag_now, |
2836 | f - frag_now->fr_literal + offset, | |
2837 | size, | |
2838 | &fixups[i].exp, | |
2839 | reloc_howto->pc_relative, | |
252b5132 RH |
2840 | fixups[i].reloc); |
2841 | ||
2842 | /* Turn off complaints that the addend is too large for things like | |
2843 | foo+100000@ha. */ | |
2844 | switch (fixups[i].reloc) | |
2845 | { | |
2846 | case BFD_RELOC_16_GOTOFF: | |
2847 | case BFD_RELOC_PPC_TOC16: | |
2848 | case BFD_RELOC_LO16: | |
2849 | case BFD_RELOC_HI16: | |
2850 | case BFD_RELOC_HI16_S: | |
0baf16f2 | 2851 | #ifdef OBJ_ELF |
0baf16f2 AM |
2852 | case BFD_RELOC_PPC64_HIGHER: |
2853 | case BFD_RELOC_PPC64_HIGHER_S: | |
2854 | case BFD_RELOC_PPC64_HIGHEST: | |
2855 | case BFD_RELOC_PPC64_HIGHEST_S: | |
0baf16f2 | 2856 | #endif |
252b5132 RH |
2857 | fixP->fx_no_overflow = 1; |
2858 | break; | |
2859 | default: | |
2860 | break; | |
2861 | } | |
2862 | } | |
2863 | else | |
99a814a1 AM |
2864 | fix_new_exp (frag_now, |
2865 | f - frag_now->fr_literal, | |
2866 | 4, | |
252b5132 RH |
2867 | &fixups[i].exp, |
2868 | (operand->flags & PPC_OPERAND_RELATIVE) != 0, | |
2869 | ((bfd_reloc_code_real_type) | |
99a814a1 | 2870 | (fixups[i].opindex + (int) BFD_RELOC_UNUSED))); |
252b5132 RH |
2871 | } |
2872 | } | |
2873 | ||
2874 | /* Handle a macro. Gather all the operands, transform them as | |
2875 | described by the macro, and call md_assemble recursively. All the | |
2876 | operands are separated by commas; we don't accept parentheses | |
2877 | around operands here. */ | |
2878 | ||
2879 | static void | |
98027b10 | 2880 | ppc_macro (char *str, const struct powerpc_macro *macro) |
252b5132 RH |
2881 | { |
2882 | char *operands[10]; | |
2883 | unsigned int count; | |
2884 | char *s; | |
2885 | unsigned int len; | |
2886 | const char *format; | |
db557034 | 2887 | unsigned int arg; |
252b5132 RH |
2888 | char *send; |
2889 | char *complete; | |
2890 | ||
2891 | /* Gather the users operands into the operands array. */ | |
2892 | count = 0; | |
2893 | s = str; | |
2894 | while (1) | |
2895 | { | |
2896 | if (count >= sizeof operands / sizeof operands[0]) | |
2897 | break; | |
2898 | operands[count++] = s; | |
2899 | s = strchr (s, ','); | |
2900 | if (s == (char *) NULL) | |
2901 | break; | |
2902 | *s++ = '\0'; | |
81d4177b | 2903 | } |
252b5132 RH |
2904 | |
2905 | if (count != macro->operands) | |
2906 | { | |
2907 | as_bad (_("wrong number of operands")); | |
2908 | return; | |
2909 | } | |
2910 | ||
2911 | /* Work out how large the string must be (the size is unbounded | |
2912 | because it includes user input). */ | |
2913 | len = 0; | |
2914 | format = macro->format; | |
2915 | while (*format != '\0') | |
2916 | { | |
2917 | if (*format != '%') | |
2918 | { | |
2919 | ++len; | |
2920 | ++format; | |
2921 | } | |
2922 | else | |
2923 | { | |
2924 | arg = strtol (format + 1, &send, 10); | |
db557034 | 2925 | know (send != format && arg < count); |
252b5132 RH |
2926 | len += strlen (operands[arg]); |
2927 | format = send; | |
2928 | } | |
2929 | } | |
2930 | ||
2931 | /* Put the string together. */ | |
2932 | complete = s = (char *) alloca (len + 1); | |
2933 | format = macro->format; | |
2934 | while (*format != '\0') | |
2935 | { | |
2936 | if (*format != '%') | |
2937 | *s++ = *format++; | |
2938 | else | |
2939 | { | |
2940 | arg = strtol (format + 1, &send, 10); | |
2941 | strcpy (s, operands[arg]); | |
2942 | s += strlen (s); | |
2943 | format = send; | |
2944 | } | |
2945 | } | |
2946 | *s = '\0'; | |
2947 | ||
2948 | /* Assemble the constructed instruction. */ | |
2949 | md_assemble (complete); | |
81d4177b | 2950 | } |
252b5132 RH |
2951 | \f |
2952 | #ifdef OBJ_ELF | |
99a814a1 | 2953 | /* For ELF, add support for SHF_EXCLUDE and SHT_ORDERED. */ |
252b5132 | 2954 | |
01e1a5bc | 2955 | bfd_vma |
98027b10 | 2956 | ppc_section_letter (int letter, char **ptr_msg) |
252b5132 RH |
2957 | { |
2958 | if (letter == 'e') | |
2959 | return SHF_EXCLUDE; | |
2960 | ||
13ae64f3 | 2961 | *ptr_msg = _("Bad .section directive: want a,e,w,x,M,S,G,T in string"); |
711ef82f | 2962 | return -1; |
252b5132 RH |
2963 | } |
2964 | ||
01e1a5bc | 2965 | bfd_vma |
98027b10 | 2966 | ppc_section_word (char *str, size_t len) |
252b5132 | 2967 | { |
9de8d8f1 RH |
2968 | if (len == 7 && strncmp (str, "exclude", 7) == 0) |
2969 | return SHF_EXCLUDE; | |
252b5132 | 2970 | |
9de8d8f1 | 2971 | return -1; |
252b5132 RH |
2972 | } |
2973 | ||
2974 | int | |
98027b10 | 2975 | ppc_section_type (char *str, size_t len) |
252b5132 | 2976 | { |
9de8d8f1 RH |
2977 | if (len == 7 && strncmp (str, "ordered", 7) == 0) |
2978 | return SHT_ORDERED; | |
252b5132 | 2979 | |
9de8d8f1 | 2980 | return -1; |
252b5132 RH |
2981 | } |
2982 | ||
2983 | int | |
01e1a5bc | 2984 | ppc_section_flags (flagword flags, bfd_vma attr, int type) |
252b5132 RH |
2985 | { |
2986 | if (type == SHT_ORDERED) | |
2987 | flags |= SEC_ALLOC | SEC_LOAD | SEC_SORT_ENTRIES; | |
2988 | ||
2989 | if (attr & SHF_EXCLUDE) | |
2990 | flags |= SEC_EXCLUDE; | |
2991 | ||
2992 | return flags; | |
2993 | } | |
2994 | #endif /* OBJ_ELF */ | |
2995 | ||
2996 | \f | |
2997 | /* Pseudo-op handling. */ | |
2998 | ||
2999 | /* The .byte pseudo-op. This is similar to the normal .byte | |
3000 | pseudo-op, but it can also take a single ASCII string. */ | |
3001 | ||
3002 | static void | |
98027b10 | 3003 | ppc_byte (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3004 | { |
3005 | if (*input_line_pointer != '\"') | |
3006 | { | |
3007 | cons (1); | |
3008 | return; | |
3009 | } | |
3010 | ||
3011 | /* Gather characters. A real double quote is doubled. Unusual | |
3012 | characters are not permitted. */ | |
3013 | ++input_line_pointer; | |
3014 | while (1) | |
3015 | { | |
3016 | char c; | |
3017 | ||
3018 | c = *input_line_pointer++; | |
3019 | ||
3020 | if (c == '\"') | |
3021 | { | |
3022 | if (*input_line_pointer != '\"') | |
3023 | break; | |
3024 | ++input_line_pointer; | |
3025 | } | |
3026 | ||
3027 | FRAG_APPEND_1_CHAR (c); | |
3028 | } | |
3029 | ||
3030 | demand_empty_rest_of_line (); | |
3031 | } | |
3032 | \f | |
3033 | #ifdef OBJ_XCOFF | |
3034 | ||
3035 | /* XCOFF specific pseudo-op handling. */ | |
3036 | ||
3037 | /* This is set if we are creating a .stabx symbol, since we don't want | |
3038 | to handle symbol suffixes for such symbols. */ | |
b34976b6 | 3039 | static bfd_boolean ppc_stab_symbol; |
252b5132 RH |
3040 | |
3041 | /* The .comm and .lcomm pseudo-ops for XCOFF. XCOFF puts common | |
3042 | symbols in the .bss segment as though they were local common | |
67c1ffbe | 3043 | symbols, and uses a different smclas. The native Aix 4.3.3 assembler |
1ad63b2f | 3044 | aligns .comm and .lcomm to 4 bytes. */ |
252b5132 RH |
3045 | |
3046 | static void | |
98027b10 | 3047 | ppc_comm (int lcomm) |
252b5132 RH |
3048 | { |
3049 | asection *current_seg = now_seg; | |
3050 | subsegT current_subseg = now_subseg; | |
3051 | char *name; | |
3052 | char endc; | |
3053 | char *end_name; | |
3054 | offsetT size; | |
3055 | offsetT align; | |
3056 | symbolS *lcomm_sym = NULL; | |
3057 | symbolS *sym; | |
3058 | char *pfrag; | |
3059 | ||
3060 | name = input_line_pointer; | |
3061 | endc = get_symbol_end (); | |
3062 | end_name = input_line_pointer; | |
3063 | *end_name = endc; | |
3064 | ||
3065 | if (*input_line_pointer != ',') | |
3066 | { | |
3067 | as_bad (_("missing size")); | |
3068 | ignore_rest_of_line (); | |
3069 | return; | |
3070 | } | |
3071 | ++input_line_pointer; | |
3072 | ||
3073 | size = get_absolute_expression (); | |
3074 | if (size < 0) | |
3075 | { | |
3076 | as_bad (_("negative size")); | |
3077 | ignore_rest_of_line (); | |
3078 | return; | |
3079 | } | |
3080 | ||
3081 | if (! lcomm) | |
3082 | { | |
3083 | /* The third argument to .comm is the alignment. */ | |
3084 | if (*input_line_pointer != ',') | |
1ad63b2f | 3085 | align = 2; |
252b5132 RH |
3086 | else |
3087 | { | |
3088 | ++input_line_pointer; | |
3089 | align = get_absolute_expression (); | |
3090 | if (align <= 0) | |
3091 | { | |
3092 | as_warn (_("ignoring bad alignment")); | |
1ad63b2f | 3093 | align = 2; |
252b5132 RH |
3094 | } |
3095 | } | |
3096 | } | |
3097 | else | |
3098 | { | |
3099 | char *lcomm_name; | |
3100 | char lcomm_endc; | |
3101 | ||
1ad63b2f | 3102 | if (size <= 4) |
252b5132 RH |
3103 | align = 2; |
3104 | else | |
3105 | align = 3; | |
3106 | ||
3107 | /* The third argument to .lcomm appears to be the real local | |
3108 | common symbol to create. References to the symbol named in | |
3109 | the first argument are turned into references to the third | |
3110 | argument. */ | |
3111 | if (*input_line_pointer != ',') | |
3112 | { | |
3113 | as_bad (_("missing real symbol name")); | |
3114 | ignore_rest_of_line (); | |
3115 | return; | |
3116 | } | |
3117 | ++input_line_pointer; | |
3118 | ||
3119 | lcomm_name = input_line_pointer; | |
3120 | lcomm_endc = get_symbol_end (); | |
81d4177b | 3121 | |
252b5132 RH |
3122 | lcomm_sym = symbol_find_or_make (lcomm_name); |
3123 | ||
3124 | *input_line_pointer = lcomm_endc; | |
3125 | } | |
3126 | ||
3127 | *end_name = '\0'; | |
3128 | sym = symbol_find_or_make (name); | |
3129 | *end_name = endc; | |
3130 | ||
3131 | if (S_IS_DEFINED (sym) | |
3132 | || S_GET_VALUE (sym) != 0) | |
3133 | { | |
3134 | as_bad (_("attempt to redefine symbol")); | |
3135 | ignore_rest_of_line (); | |
3136 | return; | |
3137 | } | |
81d4177b | 3138 | |
252b5132 | 3139 | record_alignment (bss_section, align); |
81d4177b | 3140 | |
252b5132 RH |
3141 | if (! lcomm |
3142 | || ! S_IS_DEFINED (lcomm_sym)) | |
3143 | { | |
3144 | symbolS *def_sym; | |
3145 | offsetT def_size; | |
3146 | ||
3147 | if (! lcomm) | |
3148 | { | |
3149 | def_sym = sym; | |
3150 | def_size = size; | |
3151 | S_SET_EXTERNAL (sym); | |
3152 | } | |
3153 | else | |
3154 | { | |
809ffe0d | 3155 | symbol_get_tc (lcomm_sym)->output = 1; |
252b5132 RH |
3156 | def_sym = lcomm_sym; |
3157 | def_size = 0; | |
3158 | } | |
3159 | ||
3160 | subseg_set (bss_section, 1); | |
3161 | frag_align (align, 0, 0); | |
81d4177b | 3162 | |
809ffe0d | 3163 | symbol_set_frag (def_sym, frag_now); |
252b5132 RH |
3164 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, def_sym, |
3165 | def_size, (char *) NULL); | |
3166 | *pfrag = 0; | |
3167 | S_SET_SEGMENT (def_sym, bss_section); | |
809ffe0d | 3168 | symbol_get_tc (def_sym)->align = align; |
252b5132 RH |
3169 | } |
3170 | else if (lcomm) | |
3171 | { | |
3172 | /* Align the size of lcomm_sym. */ | |
809ffe0d ILT |
3173 | symbol_get_frag (lcomm_sym)->fr_offset = |
3174 | ((symbol_get_frag (lcomm_sym)->fr_offset + (1 << align) - 1) | |
252b5132 | 3175 | &~ ((1 << align) - 1)); |
809ffe0d ILT |
3176 | if (align > symbol_get_tc (lcomm_sym)->align) |
3177 | symbol_get_tc (lcomm_sym)->align = align; | |
252b5132 RH |
3178 | } |
3179 | ||
3180 | if (lcomm) | |
3181 | { | |
3182 | /* Make sym an offset from lcomm_sym. */ | |
3183 | S_SET_SEGMENT (sym, bss_section); | |
809ffe0d ILT |
3184 | symbol_set_frag (sym, symbol_get_frag (lcomm_sym)); |
3185 | S_SET_VALUE (sym, symbol_get_frag (lcomm_sym)->fr_offset); | |
3186 | symbol_get_frag (lcomm_sym)->fr_offset += size; | |
252b5132 RH |
3187 | } |
3188 | ||
3189 | subseg_set (current_seg, current_subseg); | |
3190 | ||
3191 | demand_empty_rest_of_line (); | |
3192 | } | |
3193 | ||
3194 | /* The .csect pseudo-op. This switches us into a different | |
3195 | subsegment. The first argument is a symbol whose value is the | |
3196 | start of the .csect. In COFF, csect symbols get special aux | |
3197 | entries defined by the x_csect field of union internal_auxent. The | |
3198 | optional second argument is the alignment (the default is 2). */ | |
3199 | ||
3200 | static void | |
98027b10 | 3201 | ppc_csect (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3202 | { |
3203 | char *name; | |
3204 | char endc; | |
3205 | symbolS *sym; | |
931e13a6 | 3206 | offsetT align; |
252b5132 RH |
3207 | |
3208 | name = input_line_pointer; | |
3209 | endc = get_symbol_end (); | |
81d4177b | 3210 | |
252b5132 RH |
3211 | sym = symbol_find_or_make (name); |
3212 | ||
3213 | *input_line_pointer = endc; | |
3214 | ||
3215 | if (S_GET_NAME (sym)[0] == '\0') | |
3216 | { | |
3217 | /* An unnamed csect is assumed to be [PR]. */ | |
809ffe0d | 3218 | symbol_get_tc (sym)->class = XMC_PR; |
252b5132 RH |
3219 | } |
3220 | ||
931e13a6 | 3221 | align = 2; |
252b5132 RH |
3222 | if (*input_line_pointer == ',') |
3223 | { | |
3224 | ++input_line_pointer; | |
931e13a6 | 3225 | align = get_absolute_expression (); |
252b5132 RH |
3226 | } |
3227 | ||
931e13a6 AM |
3228 | ppc_change_csect (sym, align); |
3229 | ||
252b5132 RH |
3230 | demand_empty_rest_of_line (); |
3231 | } | |
3232 | ||
3233 | /* Change to a different csect. */ | |
3234 | ||
3235 | static void | |
98027b10 | 3236 | ppc_change_csect (symbolS *sym, offsetT align) |
252b5132 RH |
3237 | { |
3238 | if (S_IS_DEFINED (sym)) | |
809ffe0d | 3239 | subseg_set (S_GET_SEGMENT (sym), symbol_get_tc (sym)->subseg); |
252b5132 RH |
3240 | else |
3241 | { | |
3242 | symbolS **list_ptr; | |
3243 | int after_toc; | |
3244 | int hold_chunksize; | |
3245 | symbolS *list; | |
931e13a6 AM |
3246 | int is_code; |
3247 | segT sec; | |
252b5132 RH |
3248 | |
3249 | /* This is a new csect. We need to look at the symbol class to | |
3250 | figure out whether it should go in the text section or the | |
3251 | data section. */ | |
3252 | after_toc = 0; | |
931e13a6 | 3253 | is_code = 0; |
809ffe0d | 3254 | switch (symbol_get_tc (sym)->class) |
252b5132 RH |
3255 | { |
3256 | case XMC_PR: | |
3257 | case XMC_RO: | |
3258 | case XMC_DB: | |
3259 | case XMC_GL: | |
3260 | case XMC_XO: | |
3261 | case XMC_SV: | |
3262 | case XMC_TI: | |
3263 | case XMC_TB: | |
3264 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3265 | symbol_get_tc (sym)->subseg = ppc_text_subsegment; |
252b5132 RH |
3266 | ++ppc_text_subsegment; |
3267 | list_ptr = &ppc_text_csects; | |
931e13a6 | 3268 | is_code = 1; |
252b5132 RH |
3269 | break; |
3270 | case XMC_RW: | |
3271 | case XMC_TC0: | |
3272 | case XMC_TC: | |
3273 | case XMC_DS: | |
3274 | case XMC_UA: | |
3275 | case XMC_BS: | |
3276 | case XMC_UC: | |
3277 | if (ppc_toc_csect != NULL | |
809ffe0d ILT |
3278 | && (symbol_get_tc (ppc_toc_csect)->subseg + 1 |
3279 | == ppc_data_subsegment)) | |
252b5132 RH |
3280 | after_toc = 1; |
3281 | S_SET_SEGMENT (sym, data_section); | |
809ffe0d | 3282 | symbol_get_tc (sym)->subseg = ppc_data_subsegment; |
252b5132 RH |
3283 | ++ppc_data_subsegment; |
3284 | list_ptr = &ppc_data_csects; | |
3285 | break; | |
3286 | default: | |
3287 | abort (); | |
3288 | } | |
3289 | ||
3290 | /* We set the obstack chunk size to a small value before | |
99a814a1 AM |
3291 | changing subsegments, so that we don't use a lot of memory |
3292 | space for what may be a small section. */ | |
252b5132 RH |
3293 | hold_chunksize = chunksize; |
3294 | chunksize = 64; | |
3295 | ||
931e13a6 AM |
3296 | sec = subseg_new (segment_name (S_GET_SEGMENT (sym)), |
3297 | symbol_get_tc (sym)->subseg); | |
252b5132 RH |
3298 | |
3299 | chunksize = hold_chunksize; | |
3300 | ||
3301 | if (after_toc) | |
3302 | ppc_after_toc_frag = frag_now; | |
3303 | ||
931e13a6 AM |
3304 | record_alignment (sec, align); |
3305 | if (is_code) | |
3306 | frag_align_code (align, 0); | |
3307 | else | |
3308 | frag_align (align, 0, 0); | |
3309 | ||
809ffe0d | 3310 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3311 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); |
3312 | ||
931e13a6 | 3313 | symbol_get_tc (sym)->align = align; |
809ffe0d ILT |
3314 | symbol_get_tc (sym)->output = 1; |
3315 | symbol_get_tc (sym)->within = sym; | |
81d4177b | 3316 | |
252b5132 | 3317 | for (list = *list_ptr; |
809ffe0d ILT |
3318 | symbol_get_tc (list)->next != (symbolS *) NULL; |
3319 | list = symbol_get_tc (list)->next) | |
252b5132 | 3320 | ; |
809ffe0d | 3321 | symbol_get_tc (list)->next = sym; |
81d4177b | 3322 | |
252b5132 | 3323 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); |
809ffe0d ILT |
3324 | symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP, |
3325 | &symbol_lastP); | |
252b5132 RH |
3326 | } |
3327 | ||
3328 | ppc_current_csect = sym; | |
3329 | } | |
3330 | ||
3331 | /* This function handles the .text and .data pseudo-ops. These | |
3332 | pseudo-ops aren't really used by XCOFF; we implement them for the | |
3333 | convenience of people who aren't used to XCOFF. */ | |
3334 | ||
3335 | static void | |
98027b10 | 3336 | ppc_section (int type) |
252b5132 RH |
3337 | { |
3338 | const char *name; | |
3339 | symbolS *sym; | |
3340 | ||
3341 | if (type == 't') | |
3342 | name = ".text[PR]"; | |
3343 | else if (type == 'd') | |
3344 | name = ".data[RW]"; | |
3345 | else | |
3346 | abort (); | |
3347 | ||
3348 | sym = symbol_find_or_make (name); | |
3349 | ||
931e13a6 | 3350 | ppc_change_csect (sym, 2); |
252b5132 RH |
3351 | |
3352 | demand_empty_rest_of_line (); | |
3353 | } | |
3354 | ||
3355 | /* This function handles the .section pseudo-op. This is mostly to | |
3356 | give an error, since XCOFF only supports .text, .data and .bss, but | |
3357 | we do permit the user to name the text or data section. */ | |
3358 | ||
3359 | static void | |
98027b10 | 3360 | ppc_named_section (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3361 | { |
3362 | char *user_name; | |
3363 | const char *real_name; | |
3364 | char c; | |
3365 | symbolS *sym; | |
3366 | ||
3367 | user_name = input_line_pointer; | |
3368 | c = get_symbol_end (); | |
3369 | ||
3370 | if (strcmp (user_name, ".text") == 0) | |
3371 | real_name = ".text[PR]"; | |
3372 | else if (strcmp (user_name, ".data") == 0) | |
3373 | real_name = ".data[RW]"; | |
3374 | else | |
3375 | { | |
3376 | as_bad (_("The XCOFF file format does not support arbitrary sections")); | |
3377 | *input_line_pointer = c; | |
3378 | ignore_rest_of_line (); | |
3379 | return; | |
3380 | } | |
3381 | ||
3382 | *input_line_pointer = c; | |
3383 | ||
3384 | sym = symbol_find_or_make (real_name); | |
3385 | ||
931e13a6 | 3386 | ppc_change_csect (sym, 2); |
252b5132 RH |
3387 | |
3388 | demand_empty_rest_of_line (); | |
3389 | } | |
3390 | ||
3391 | /* The .extern pseudo-op. We create an undefined symbol. */ | |
3392 | ||
3393 | static void | |
98027b10 | 3394 | ppc_extern (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3395 | { |
3396 | char *name; | |
3397 | char endc; | |
3398 | ||
3399 | name = input_line_pointer; | |
3400 | endc = get_symbol_end (); | |
3401 | ||
3402 | (void) symbol_find_or_make (name); | |
3403 | ||
3404 | *input_line_pointer = endc; | |
3405 | ||
3406 | demand_empty_rest_of_line (); | |
3407 | } | |
3408 | ||
3409 | /* The .lglobl pseudo-op. Keep the symbol in the symbol table. */ | |
3410 | ||
3411 | static void | |
98027b10 | 3412 | ppc_lglobl (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3413 | { |
3414 | char *name; | |
3415 | char endc; | |
3416 | symbolS *sym; | |
3417 | ||
3418 | name = input_line_pointer; | |
3419 | endc = get_symbol_end (); | |
3420 | ||
3421 | sym = symbol_find_or_make (name); | |
3422 | ||
3423 | *input_line_pointer = endc; | |
3424 | ||
809ffe0d | 3425 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3426 | |
3427 | demand_empty_rest_of_line (); | |
3428 | } | |
3429 | ||
3430 | /* The .rename pseudo-op. The RS/6000 assembler can rename symbols, | |
3431 | although I don't know why it bothers. */ | |
3432 | ||
3433 | static void | |
98027b10 | 3434 | ppc_rename (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3435 | { |
3436 | char *name; | |
3437 | char endc; | |
3438 | symbolS *sym; | |
3439 | int len; | |
3440 | ||
3441 | name = input_line_pointer; | |
3442 | endc = get_symbol_end (); | |
3443 | ||
3444 | sym = symbol_find_or_make (name); | |
3445 | ||
3446 | *input_line_pointer = endc; | |
3447 | ||
3448 | if (*input_line_pointer != ',') | |
3449 | { | |
3450 | as_bad (_("missing rename string")); | |
3451 | ignore_rest_of_line (); | |
3452 | return; | |
3453 | } | |
3454 | ++input_line_pointer; | |
3455 | ||
809ffe0d | 3456 | symbol_get_tc (sym)->real_name = demand_copy_C_string (&len); |
252b5132 RH |
3457 | |
3458 | demand_empty_rest_of_line (); | |
3459 | } | |
3460 | ||
3461 | /* The .stabx pseudo-op. This is similar to a normal .stabs | |
3462 | pseudo-op, but slightly different. A sample is | |
3463 | .stabx "main:F-1",.main,142,0 | |
3464 | The first argument is the symbol name to create. The second is the | |
3465 | value, and the third is the storage class. The fourth seems to be | |
3466 | always zero, and I am assuming it is the type. */ | |
3467 | ||
3468 | static void | |
98027b10 | 3469 | ppc_stabx (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3470 | { |
3471 | char *name; | |
3472 | int len; | |
3473 | symbolS *sym; | |
3474 | expressionS exp; | |
3475 | ||
3476 | name = demand_copy_C_string (&len); | |
3477 | ||
3478 | if (*input_line_pointer != ',') | |
3479 | { | |
3480 | as_bad (_("missing value")); | |
3481 | return; | |
3482 | } | |
3483 | ++input_line_pointer; | |
3484 | ||
b34976b6 | 3485 | ppc_stab_symbol = TRUE; |
252b5132 | 3486 | sym = symbol_make (name); |
b34976b6 | 3487 | ppc_stab_symbol = FALSE; |
252b5132 | 3488 | |
809ffe0d | 3489 | symbol_get_tc (sym)->real_name = name; |
252b5132 RH |
3490 | |
3491 | (void) expression (&exp); | |
3492 | ||
3493 | switch (exp.X_op) | |
3494 | { | |
3495 | case O_illegal: | |
3496 | case O_absent: | |
3497 | case O_big: | |
3498 | as_bad (_("illegal .stabx expression; zero assumed")); | |
3499 | exp.X_add_number = 0; | |
3500 | /* Fall through. */ | |
3501 | case O_constant: | |
3502 | S_SET_VALUE (sym, (valueT) exp.X_add_number); | |
809ffe0d | 3503 | symbol_set_frag (sym, &zero_address_frag); |
252b5132 RH |
3504 | break; |
3505 | ||
3506 | case O_symbol: | |
3507 | if (S_GET_SEGMENT (exp.X_add_symbol) == undefined_section) | |
809ffe0d | 3508 | symbol_set_value_expression (sym, &exp); |
252b5132 RH |
3509 | else |
3510 | { | |
3511 | S_SET_VALUE (sym, | |
3512 | exp.X_add_number + S_GET_VALUE (exp.X_add_symbol)); | |
809ffe0d | 3513 | symbol_set_frag (sym, symbol_get_frag (exp.X_add_symbol)); |
252b5132 RH |
3514 | } |
3515 | break; | |
3516 | ||
3517 | default: | |
3518 | /* The value is some complex expression. This will probably | |
99a814a1 AM |
3519 | fail at some later point, but this is probably the right |
3520 | thing to do here. */ | |
809ffe0d | 3521 | symbol_set_value_expression (sym, &exp); |
252b5132 RH |
3522 | break; |
3523 | } | |
3524 | ||
3525 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 3526 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3527 | |
3528 | if (*input_line_pointer != ',') | |
3529 | { | |
3530 | as_bad (_("missing class")); | |
3531 | return; | |
3532 | } | |
3533 | ++input_line_pointer; | |
3534 | ||
3535 | S_SET_STORAGE_CLASS (sym, get_absolute_expression ()); | |
3536 | ||
3537 | if (*input_line_pointer != ',') | |
3538 | { | |
3539 | as_bad (_("missing type")); | |
3540 | return; | |
3541 | } | |
3542 | ++input_line_pointer; | |
3543 | ||
3544 | S_SET_DATA_TYPE (sym, get_absolute_expression ()); | |
3545 | ||
809ffe0d | 3546 | symbol_get_tc (sym)->output = 1; |
252b5132 | 3547 | |
6877bb43 | 3548 | if (S_GET_STORAGE_CLASS (sym) == C_STSYM) { |
99a814a1 | 3549 | |
809ffe0d | 3550 | symbol_get_tc (sym)->within = ppc_current_block; |
252b5132 | 3551 | |
41ea10b1 | 3552 | /* In this case : |
99a814a1 | 3553 | |
41ea10b1 TR |
3554 | .bs name |
3555 | .stabx "z",arrays_,133,0 | |
3556 | .es | |
99a814a1 | 3557 | |
41ea10b1 | 3558 | .comm arrays_,13768,3 |
99a814a1 | 3559 | |
41ea10b1 TR |
3560 | resolve_symbol_value will copy the exp's "within" into sym's when the |
3561 | offset is 0. Since this seems to be corner case problem, | |
3562 | only do the correction for storage class C_STSYM. A better solution | |
0baf16f2 | 3563 | would be to have the tc field updated in ppc_symbol_new_hook. */ |
99a814a1 AM |
3564 | |
3565 | if (exp.X_op == O_symbol) | |
41ea10b1 TR |
3566 | { |
3567 | symbol_get_tc (exp.X_add_symbol)->within = ppc_current_block; | |
3568 | } | |
6877bb43 | 3569 | } |
99a814a1 | 3570 | |
252b5132 RH |
3571 | if (exp.X_op != O_symbol |
3572 | || ! S_IS_EXTERNAL (exp.X_add_symbol) | |
3573 | || S_GET_SEGMENT (exp.X_add_symbol) != bss_section) | |
3574 | ppc_frob_label (sym); | |
3575 | else | |
3576 | { | |
3577 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
3578 | symbol_append (sym, exp.X_add_symbol, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
3579 | if (symbol_get_tc (ppc_current_csect)->within == exp.X_add_symbol) |
3580 | symbol_get_tc (ppc_current_csect)->within = sym; | |
252b5132 RH |
3581 | } |
3582 | ||
3583 | demand_empty_rest_of_line (); | |
3584 | } | |
3585 | ||
3586 | /* The .function pseudo-op. This takes several arguments. The first | |
3587 | argument seems to be the external name of the symbol. The second | |
67c1ffbe | 3588 | argument seems to be the label for the start of the function. gcc |
252b5132 RH |
3589 | uses the same name for both. I have no idea what the third and |
3590 | fourth arguments are meant to be. The optional fifth argument is | |
3591 | an expression for the size of the function. In COFF this symbol | |
3592 | gets an aux entry like that used for a csect. */ | |
3593 | ||
3594 | static void | |
98027b10 | 3595 | ppc_function (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3596 | { |
3597 | char *name; | |
3598 | char endc; | |
3599 | char *s; | |
3600 | symbolS *ext_sym; | |
3601 | symbolS *lab_sym; | |
3602 | ||
3603 | name = input_line_pointer; | |
3604 | endc = get_symbol_end (); | |
3605 | ||
3606 | /* Ignore any [PR] suffix. */ | |
3607 | name = ppc_canonicalize_symbol_name (name); | |
3608 | s = strchr (name, '['); | |
3609 | if (s != (char *) NULL | |
3610 | && strcmp (s + 1, "PR]") == 0) | |
3611 | *s = '\0'; | |
3612 | ||
3613 | ext_sym = symbol_find_or_make (name); | |
3614 | ||
3615 | *input_line_pointer = endc; | |
3616 | ||
3617 | if (*input_line_pointer != ',') | |
3618 | { | |
3619 | as_bad (_("missing symbol name")); | |
3620 | ignore_rest_of_line (); | |
3621 | return; | |
3622 | } | |
3623 | ++input_line_pointer; | |
3624 | ||
3625 | name = input_line_pointer; | |
3626 | endc = get_symbol_end (); | |
3627 | ||
3628 | lab_sym = symbol_find_or_make (name); | |
3629 | ||
3630 | *input_line_pointer = endc; | |
3631 | ||
3632 | if (ext_sym != lab_sym) | |
3633 | { | |
809ffe0d ILT |
3634 | expressionS exp; |
3635 | ||
3636 | exp.X_op = O_symbol; | |
3637 | exp.X_add_symbol = lab_sym; | |
3638 | exp.X_op_symbol = NULL; | |
3639 | exp.X_add_number = 0; | |
3640 | exp.X_unsigned = 0; | |
3641 | symbol_set_value_expression (ext_sym, &exp); | |
252b5132 RH |
3642 | } |
3643 | ||
809ffe0d ILT |
3644 | if (symbol_get_tc (ext_sym)->class == -1) |
3645 | symbol_get_tc (ext_sym)->class = XMC_PR; | |
3646 | symbol_get_tc (ext_sym)->output = 1; | |
252b5132 RH |
3647 | |
3648 | if (*input_line_pointer == ',') | |
3649 | { | |
3650 | expressionS ignore; | |
3651 | ||
3652 | /* Ignore the third argument. */ | |
3653 | ++input_line_pointer; | |
3654 | expression (&ignore); | |
3655 | if (*input_line_pointer == ',') | |
3656 | { | |
3657 | /* Ignore the fourth argument. */ | |
3658 | ++input_line_pointer; | |
3659 | expression (&ignore); | |
3660 | if (*input_line_pointer == ',') | |
3661 | { | |
3662 | /* The fifth argument is the function size. */ | |
3663 | ++input_line_pointer; | |
809ffe0d ILT |
3664 | symbol_get_tc (ext_sym)->size = symbol_new ("L0\001", |
3665 | absolute_section, | |
3666 | (valueT) 0, | |
3667 | &zero_address_frag); | |
3668 | pseudo_set (symbol_get_tc (ext_sym)->size); | |
252b5132 RH |
3669 | } |
3670 | } | |
3671 | } | |
3672 | ||
3673 | S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT); | |
3674 | SF_SET_FUNCTION (ext_sym); | |
3675 | SF_SET_PROCESS (ext_sym); | |
3676 | coff_add_linesym (ext_sym); | |
3677 | ||
3678 | demand_empty_rest_of_line (); | |
3679 | } | |
3680 | ||
3681 | /* The .bf pseudo-op. This is just like a COFF C_FCN symbol named | |
8642cce8 TR |
3682 | ".bf". If the pseudo op .bi was seen before .bf, patch the .bi sym |
3683 | with the correct line number */ | |
5d6255fe | 3684 | |
8642cce8 | 3685 | static symbolS *saved_bi_sym = 0; |
252b5132 RH |
3686 | |
3687 | static void | |
98027b10 | 3688 | ppc_bf (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3689 | { |
3690 | symbolS *sym; | |
3691 | ||
3692 | sym = symbol_make (".bf"); | |
3693 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3694 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3695 | S_SET_VALUE (sym, frag_now_fix ()); |
3696 | S_SET_STORAGE_CLASS (sym, C_FCN); | |
3697 | ||
3698 | coff_line_base = get_absolute_expression (); | |
3699 | ||
3700 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3701 | SA_SET_SYM_LNNO (sym, coff_line_base); | |
3702 | ||
8642cce8 | 3703 | /* Line number for bi. */ |
5d6255fe | 3704 | if (saved_bi_sym) |
8642cce8 TR |
3705 | { |
3706 | S_SET_VALUE (saved_bi_sym, coff_n_line_nos); | |
3707 | saved_bi_sym = 0; | |
3708 | } | |
5d6255fe | 3709 | |
8642cce8 | 3710 | |
809ffe0d | 3711 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3712 | |
3713 | ppc_frob_label (sym); | |
3714 | ||
3715 | demand_empty_rest_of_line (); | |
3716 | } | |
3717 | ||
3718 | /* The .ef pseudo-op. This is just like a COFF C_FCN symbol named | |
3719 | ".ef", except that the line number is absolute, not relative to the | |
3720 | most recent ".bf" symbol. */ | |
3721 | ||
3722 | static void | |
98027b10 | 3723 | ppc_ef (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3724 | { |
3725 | symbolS *sym; | |
3726 | ||
3727 | sym = symbol_make (".ef"); | |
3728 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3729 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3730 | S_SET_VALUE (sym, frag_now_fix ()); |
3731 | S_SET_STORAGE_CLASS (sym, C_FCN); | |
3732 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3733 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
809ffe0d | 3734 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3735 | |
3736 | ppc_frob_label (sym); | |
3737 | ||
3738 | demand_empty_rest_of_line (); | |
3739 | } | |
3740 | ||
3741 | /* The .bi and .ei pseudo-ops. These take a string argument and | |
3742 | generates a C_BINCL or C_EINCL symbol, which goes at the start of | |
8642cce8 TR |
3743 | the symbol list. The value of .bi will be know when the next .bf |
3744 | is encountered. */ | |
252b5132 RH |
3745 | |
3746 | static void | |
98027b10 | 3747 | ppc_biei (int ei) |
252b5132 RH |
3748 | { |
3749 | static symbolS *last_biei; | |
3750 | ||
3751 | char *name; | |
3752 | int len; | |
3753 | symbolS *sym; | |
3754 | symbolS *look; | |
3755 | ||
3756 | name = demand_copy_C_string (&len); | |
3757 | ||
3758 | /* The value of these symbols is actually file offset. Here we set | |
3759 | the value to the index into the line number entries. In | |
3760 | ppc_frob_symbols we set the fix_line field, which will cause BFD | |
3761 | to do the right thing. */ | |
3762 | ||
3763 | sym = symbol_make (name); | |
3764 | /* obj-coff.c currently only handles line numbers correctly in the | |
3765 | .text section. */ | |
3766 | S_SET_SEGMENT (sym, text_section); | |
3767 | S_SET_VALUE (sym, coff_n_line_nos); | |
809ffe0d | 3768 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3769 | |
3770 | S_SET_STORAGE_CLASS (sym, ei ? C_EINCL : C_BINCL); | |
809ffe0d | 3771 | symbol_get_tc (sym)->output = 1; |
81d4177b | 3772 | |
8642cce8 | 3773 | /* Save bi. */ |
5d6255fe | 3774 | if (ei) |
8642cce8 TR |
3775 | saved_bi_sym = 0; |
3776 | else | |
3777 | saved_bi_sym = sym; | |
3778 | ||
252b5132 RH |
3779 | for (look = last_biei ? last_biei : symbol_rootP; |
3780 | (look != (symbolS *) NULL | |
3781 | && (S_GET_STORAGE_CLASS (look) == C_FILE | |
3782 | || S_GET_STORAGE_CLASS (look) == C_BINCL | |
3783 | || S_GET_STORAGE_CLASS (look) == C_EINCL)); | |
3784 | look = symbol_next (look)) | |
3785 | ; | |
3786 | if (look != (symbolS *) NULL) | |
3787 | { | |
3788 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
3789 | symbol_insert (sym, look, &symbol_rootP, &symbol_lastP); | |
3790 | last_biei = sym; | |
3791 | } | |
3792 | ||
3793 | demand_empty_rest_of_line (); | |
3794 | } | |
3795 | ||
3796 | /* The .bs pseudo-op. This generates a C_BSTAT symbol named ".bs". | |
3797 | There is one argument, which is a csect symbol. The value of the | |
3798 | .bs symbol is the index of this csect symbol. */ | |
3799 | ||
3800 | static void | |
98027b10 | 3801 | ppc_bs (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3802 | { |
3803 | char *name; | |
3804 | char endc; | |
3805 | symbolS *csect; | |
3806 | symbolS *sym; | |
3807 | ||
3808 | if (ppc_current_block != NULL) | |
3809 | as_bad (_("nested .bs blocks")); | |
3810 | ||
3811 | name = input_line_pointer; | |
3812 | endc = get_symbol_end (); | |
3813 | ||
3814 | csect = symbol_find_or_make (name); | |
3815 | ||
3816 | *input_line_pointer = endc; | |
3817 | ||
3818 | sym = symbol_make (".bs"); | |
3819 | S_SET_SEGMENT (sym, now_seg); | |
3820 | S_SET_STORAGE_CLASS (sym, C_BSTAT); | |
809ffe0d ILT |
3821 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
3822 | symbol_get_tc (sym)->output = 1; | |
252b5132 | 3823 | |
809ffe0d | 3824 | symbol_get_tc (sym)->within = csect; |
252b5132 RH |
3825 | |
3826 | ppc_frob_label (sym); | |
3827 | ||
3828 | ppc_current_block = sym; | |
3829 | ||
3830 | demand_empty_rest_of_line (); | |
3831 | } | |
3832 | ||
3833 | /* The .es pseudo-op. Generate a C_ESTART symbol named .es. */ | |
3834 | ||
3835 | static void | |
98027b10 | 3836 | ppc_es (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3837 | { |
3838 | symbolS *sym; | |
3839 | ||
3840 | if (ppc_current_block == NULL) | |
3841 | as_bad (_(".es without preceding .bs")); | |
3842 | ||
3843 | sym = symbol_make (".es"); | |
3844 | S_SET_SEGMENT (sym, now_seg); | |
3845 | S_SET_STORAGE_CLASS (sym, C_ESTAT); | |
809ffe0d ILT |
3846 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
3847 | symbol_get_tc (sym)->output = 1; | |
252b5132 RH |
3848 | |
3849 | ppc_frob_label (sym); | |
3850 | ||
3851 | ppc_current_block = NULL; | |
3852 | ||
3853 | demand_empty_rest_of_line (); | |
3854 | } | |
3855 | ||
3856 | /* The .bb pseudo-op. Generate a C_BLOCK symbol named .bb, with a | |
3857 | line number. */ | |
3858 | ||
3859 | static void | |
98027b10 | 3860 | ppc_bb (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3861 | { |
3862 | symbolS *sym; | |
3863 | ||
3864 | sym = symbol_make (".bb"); | |
3865 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3866 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3867 | S_SET_VALUE (sym, frag_now_fix ()); |
3868 | S_SET_STORAGE_CLASS (sym, C_BLOCK); | |
3869 | ||
3870 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3871 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
3872 | ||
809ffe0d | 3873 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3874 | |
3875 | SF_SET_PROCESS (sym); | |
3876 | ||
3877 | ppc_frob_label (sym); | |
3878 | ||
3879 | demand_empty_rest_of_line (); | |
3880 | } | |
3881 | ||
3882 | /* The .eb pseudo-op. Generate a C_BLOCK symbol named .eb, with a | |
3883 | line number. */ | |
3884 | ||
3885 | static void | |
98027b10 | 3886 | ppc_eb (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3887 | { |
3888 | symbolS *sym; | |
3889 | ||
3890 | sym = symbol_make (".eb"); | |
3891 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3892 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3893 | S_SET_VALUE (sym, frag_now_fix ()); |
3894 | S_SET_STORAGE_CLASS (sym, C_BLOCK); | |
3895 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3896 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
809ffe0d | 3897 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3898 | |
3899 | SF_SET_PROCESS (sym); | |
3900 | ||
3901 | ppc_frob_label (sym); | |
3902 | ||
3903 | demand_empty_rest_of_line (); | |
3904 | } | |
3905 | ||
3906 | /* The .bc pseudo-op. This just creates a C_BCOMM symbol with a | |
3907 | specified name. */ | |
3908 | ||
3909 | static void | |
98027b10 | 3910 | ppc_bc (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3911 | { |
3912 | char *name; | |
3913 | int len; | |
3914 | symbolS *sym; | |
3915 | ||
3916 | name = demand_copy_C_string (&len); | |
3917 | sym = symbol_make (name); | |
3918 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 3919 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3920 | S_SET_STORAGE_CLASS (sym, C_BCOMM); |
3921 | S_SET_VALUE (sym, 0); | |
809ffe0d | 3922 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3923 | |
3924 | ppc_frob_label (sym); | |
3925 | ||
3926 | demand_empty_rest_of_line (); | |
3927 | } | |
3928 | ||
3929 | /* The .ec pseudo-op. This just creates a C_ECOMM symbol. */ | |
3930 | ||
3931 | static void | |
98027b10 | 3932 | ppc_ec (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3933 | { |
3934 | symbolS *sym; | |
3935 | ||
3936 | sym = symbol_make (".ec"); | |
3937 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 3938 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3939 | S_SET_STORAGE_CLASS (sym, C_ECOMM); |
3940 | S_SET_VALUE (sym, 0); | |
809ffe0d | 3941 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3942 | |
3943 | ppc_frob_label (sym); | |
3944 | ||
3945 | demand_empty_rest_of_line (); | |
3946 | } | |
3947 | ||
3948 | /* The .toc pseudo-op. Switch to the .toc subsegment. */ | |
3949 | ||
3950 | static void | |
98027b10 | 3951 | ppc_toc (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3952 | { |
3953 | if (ppc_toc_csect != (symbolS *) NULL) | |
809ffe0d | 3954 | subseg_set (data_section, symbol_get_tc (ppc_toc_csect)->subseg); |
252b5132 RH |
3955 | else |
3956 | { | |
3957 | subsegT subseg; | |
3958 | symbolS *sym; | |
3959 | symbolS *list; | |
81d4177b | 3960 | |
252b5132 RH |
3961 | subseg = ppc_data_subsegment; |
3962 | ++ppc_data_subsegment; | |
3963 | ||
3964 | subseg_new (segment_name (data_section), subseg); | |
3965 | ppc_toc_frag = frag_now; | |
3966 | ||
3967 | sym = symbol_find_or_make ("TOC[TC0]"); | |
809ffe0d | 3968 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3969 | S_SET_SEGMENT (sym, data_section); |
3970 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); | |
809ffe0d ILT |
3971 | symbol_get_tc (sym)->subseg = subseg; |
3972 | symbol_get_tc (sym)->output = 1; | |
3973 | symbol_get_tc (sym)->within = sym; | |
252b5132 RH |
3974 | |
3975 | ppc_toc_csect = sym; | |
81d4177b | 3976 | |
252b5132 | 3977 | for (list = ppc_data_csects; |
809ffe0d ILT |
3978 | symbol_get_tc (list)->next != (symbolS *) NULL; |
3979 | list = symbol_get_tc (list)->next) | |
252b5132 | 3980 | ; |
809ffe0d | 3981 | symbol_get_tc (list)->next = sym; |
252b5132 RH |
3982 | |
3983 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
3984 | symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP, |
3985 | &symbol_lastP); | |
252b5132 RH |
3986 | } |
3987 | ||
3988 | ppc_current_csect = ppc_toc_csect; | |
3989 | ||
3990 | demand_empty_rest_of_line (); | |
3991 | } | |
3992 | ||
3993 | /* The AIX assembler automatically aligns the operands of a .long or | |
3994 | .short pseudo-op, and we want to be compatible. */ | |
3995 | ||
3996 | static void | |
98027b10 | 3997 | ppc_xcoff_cons (int log_size) |
252b5132 RH |
3998 | { |
3999 | frag_align (log_size, 0, 0); | |
4000 | record_alignment (now_seg, log_size); | |
4001 | cons (1 << log_size); | |
4002 | } | |
4003 | ||
4004 | static void | |
98027b10 | 4005 | ppc_vbyte (int dummy ATTRIBUTE_UNUSED) |
252b5132 RH |
4006 | { |
4007 | expressionS exp; | |
4008 | int byte_count; | |
4009 | ||
4010 | (void) expression (&exp); | |
4011 | ||
4012 | if (exp.X_op != O_constant) | |
4013 | { | |
4014 | as_bad (_("non-constant byte count")); | |
4015 | return; | |
4016 | } | |
4017 | ||
4018 | byte_count = exp.X_add_number; | |
4019 | ||
4020 | if (*input_line_pointer != ',') | |
4021 | { | |
4022 | as_bad (_("missing value")); | |
4023 | return; | |
4024 | } | |
4025 | ||
4026 | ++input_line_pointer; | |
4027 | cons (byte_count); | |
4028 | } | |
4029 | ||
4030 | #endif /* OBJ_XCOFF */ | |
0baf16f2 | 4031 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
252b5132 RH |
4032 | \f |
4033 | /* The .tc pseudo-op. This is used when generating either XCOFF or | |
4034 | ELF. This takes two or more arguments. | |
4035 | ||
4036 | When generating XCOFF output, the first argument is the name to | |
4037 | give to this location in the toc; this will be a symbol with class | |
0baf16f2 | 4038 | TC. The rest of the arguments are N-byte values to actually put at |
252b5132 | 4039 | this location in the TOC; often there is just one more argument, a |
1049f94e | 4040 | relocatable symbol reference. The size of the value to store |
0baf16f2 AM |
4041 | depends on target word size. A 32-bit target uses 4-byte values, a |
4042 | 64-bit target uses 8-byte values. | |
252b5132 RH |
4043 | |
4044 | When not generating XCOFF output, the arguments are the same, but | |
4045 | the first argument is simply ignored. */ | |
4046 | ||
4047 | static void | |
98027b10 | 4048 | ppc_tc (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4049 | { |
4050 | #ifdef OBJ_XCOFF | |
4051 | ||
4052 | /* Define the TOC symbol name. */ | |
4053 | { | |
4054 | char *name; | |
4055 | char endc; | |
4056 | symbolS *sym; | |
4057 | ||
4058 | if (ppc_toc_csect == (symbolS *) NULL | |
4059 | || ppc_toc_csect != ppc_current_csect) | |
4060 | { | |
4061 | as_bad (_(".tc not in .toc section")); | |
4062 | ignore_rest_of_line (); | |
4063 | return; | |
4064 | } | |
4065 | ||
4066 | name = input_line_pointer; | |
4067 | endc = get_symbol_end (); | |
4068 | ||
4069 | sym = symbol_find_or_make (name); | |
4070 | ||
4071 | *input_line_pointer = endc; | |
4072 | ||
4073 | if (S_IS_DEFINED (sym)) | |
4074 | { | |
4075 | symbolS *label; | |
4076 | ||
809ffe0d ILT |
4077 | label = symbol_get_tc (ppc_current_csect)->within; |
4078 | if (symbol_get_tc (label)->class != XMC_TC0) | |
252b5132 RH |
4079 | { |
4080 | as_bad (_(".tc with no label")); | |
4081 | ignore_rest_of_line (); | |
4082 | return; | |
4083 | } | |
4084 | ||
4085 | S_SET_SEGMENT (label, S_GET_SEGMENT (sym)); | |
809ffe0d | 4086 | symbol_set_frag (label, symbol_get_frag (sym)); |
252b5132 RH |
4087 | S_SET_VALUE (label, S_GET_VALUE (sym)); |
4088 | ||
4089 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
4090 | ++input_line_pointer; | |
4091 | ||
4092 | return; | |
4093 | } | |
4094 | ||
4095 | S_SET_SEGMENT (sym, now_seg); | |
809ffe0d | 4096 | symbol_set_frag (sym, frag_now); |
252b5132 | 4097 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); |
809ffe0d ILT |
4098 | symbol_get_tc (sym)->class = XMC_TC; |
4099 | symbol_get_tc (sym)->output = 1; | |
252b5132 RH |
4100 | |
4101 | ppc_frob_label (sym); | |
4102 | } | |
4103 | ||
0baf16f2 AM |
4104 | #endif /* OBJ_XCOFF */ |
4105 | #ifdef OBJ_ELF | |
9c7977b3 | 4106 | int align; |
252b5132 RH |
4107 | |
4108 | /* Skip the TOC symbol name. */ | |
4109 | while (is_part_of_name (*input_line_pointer) | |
d13d4015 | 4110 | || *input_line_pointer == ' ' |
252b5132 RH |
4111 | || *input_line_pointer == '[' |
4112 | || *input_line_pointer == ']' | |
4113 | || *input_line_pointer == '{' | |
4114 | || *input_line_pointer == '}') | |
4115 | ++input_line_pointer; | |
4116 | ||
0baf16f2 | 4117 | /* Align to a four/eight byte boundary. */ |
2b3c4602 | 4118 | align = ppc_obj64 ? 3 : 2; |
9c7977b3 AM |
4119 | frag_align (align, 0, 0); |
4120 | record_alignment (now_seg, align); | |
0baf16f2 | 4121 | #endif /* OBJ_ELF */ |
252b5132 RH |
4122 | |
4123 | if (*input_line_pointer != ',') | |
4124 | demand_empty_rest_of_line (); | |
4125 | else | |
4126 | { | |
4127 | ++input_line_pointer; | |
2b3c4602 | 4128 | cons (ppc_obj64 ? 8 : 4); |
252b5132 RH |
4129 | } |
4130 | } | |
0baf16f2 AM |
4131 | |
4132 | /* Pseudo-op .machine. */ | |
0baf16f2 AM |
4133 | |
4134 | static void | |
98027b10 | 4135 | ppc_machine (int ignore ATTRIBUTE_UNUSED) |
0baf16f2 | 4136 | { |
69c040df AM |
4137 | char *cpu_string; |
4138 | #define MAX_HISTORY 100 | |
fa452fa6 | 4139 | static ppc_cpu_t *cpu_history; |
69c040df AM |
4140 | static int curr_hist; |
4141 | ||
4142 | SKIP_WHITESPACE (); | |
4143 | ||
4144 | if (*input_line_pointer == '"') | |
4145 | { | |
4146 | int len; | |
4147 | cpu_string = demand_copy_C_string (&len); | |
4148 | } | |
4149 | else | |
4150 | { | |
4151 | char c; | |
4152 | cpu_string = input_line_pointer; | |
4153 | c = get_symbol_end (); | |
4154 | cpu_string = xstrdup (cpu_string); | |
4155 | *input_line_pointer = c; | |
4156 | } | |
4157 | ||
4158 | if (cpu_string != NULL) | |
4159 | { | |
fa452fa6 | 4160 | ppc_cpu_t old_cpu = ppc_cpu; |
69c040df AM |
4161 | char *p; |
4162 | ||
4163 | for (p = cpu_string; *p != 0; p++) | |
4164 | *p = TOLOWER (*p); | |
4165 | ||
4166 | if (strcmp (cpu_string, "push") == 0) | |
4167 | { | |
4168 | if (cpu_history == NULL) | |
4169 | cpu_history = xmalloc (MAX_HISTORY * sizeof (*cpu_history)); | |
4170 | ||
4171 | if (curr_hist >= MAX_HISTORY) | |
4172 | as_bad (_(".machine stack overflow")); | |
4173 | else | |
4174 | cpu_history[curr_hist++] = ppc_cpu; | |
4175 | } | |
4176 | else if (strcmp (cpu_string, "pop") == 0) | |
4177 | { | |
4178 | if (curr_hist <= 0) | |
4179 | as_bad (_(".machine stack underflow")); | |
4180 | else | |
4181 | ppc_cpu = cpu_history[--curr_hist]; | |
4182 | } | |
4183 | else if (parse_cpu (cpu_string)) | |
4184 | ; | |
4185 | else | |
4186 | as_bad (_("invalid machine `%s'"), cpu_string); | |
4187 | ||
4188 | if (ppc_cpu != old_cpu) | |
4189 | ppc_setup_opcodes (); | |
4190 | } | |
4191 | ||
4192 | demand_empty_rest_of_line (); | |
0baf16f2 AM |
4193 | } |
4194 | ||
4195 | /* See whether a symbol is in the TOC section. */ | |
4196 | ||
4197 | static int | |
98027b10 | 4198 | ppc_is_toc_sym (symbolS *sym) |
0baf16f2 AM |
4199 | { |
4200 | #ifdef OBJ_XCOFF | |
4201 | return symbol_get_tc (sym)->class == XMC_TC; | |
4202 | #endif | |
4203 | #ifdef OBJ_ELF | |
4204 | const char *sname = segment_name (S_GET_SEGMENT (sym)); | |
2b3c4602 | 4205 | if (ppc_obj64) |
0baf16f2 AM |
4206 | return strcmp (sname, ".toc") == 0; |
4207 | else | |
4208 | return strcmp (sname, ".got") == 0; | |
4209 | #endif | |
4210 | } | |
4211 | #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */ | |
252b5132 RH |
4212 | \f |
4213 | #ifdef TE_PE | |
4214 | ||
99a814a1 | 4215 | /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */ |
252b5132 RH |
4216 | |
4217 | /* Set the current section. */ | |
4218 | static void | |
98027b10 | 4219 | ppc_set_current_section (segT new) |
252b5132 RH |
4220 | { |
4221 | ppc_previous_section = ppc_current_section; | |
4222 | ppc_current_section = new; | |
4223 | } | |
4224 | ||
4225 | /* pseudo-op: .previous | |
4226 | behaviour: toggles the current section with the previous section. | |
4227 | errors: None | |
99a814a1 AM |
4228 | warnings: "No previous section" */ |
4229 | ||
252b5132 | 4230 | static void |
98027b10 | 4231 | ppc_previous (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4232 | { |
4233 | symbolS *tmp; | |
4234 | ||
81d4177b | 4235 | if (ppc_previous_section == NULL) |
252b5132 | 4236 | { |
99a814a1 | 4237 | as_warn (_("No previous section to return to. Directive ignored.")); |
252b5132 RH |
4238 | return; |
4239 | } | |
4240 | ||
99a814a1 | 4241 | subseg_set (ppc_previous_section, 0); |
252b5132 | 4242 | |
99a814a1 | 4243 | ppc_set_current_section (ppc_previous_section); |
252b5132 RH |
4244 | } |
4245 | ||
4246 | /* pseudo-op: .pdata | |
4247 | behaviour: predefined read only data section | |
b34976b6 | 4248 | double word aligned |
252b5132 RH |
4249 | errors: None |
4250 | warnings: None | |
4251 | initial: .section .pdata "adr3" | |
b34976b6 | 4252 | a - don't know -- maybe a misprint |
252b5132 RH |
4253 | d - initialized data |
4254 | r - readable | |
4255 | 3 - double word aligned (that would be 4 byte boundary) | |
4256 | ||
4257 | commentary: | |
4258 | Tag index tables (also known as the function table) for exception | |
99a814a1 | 4259 | handling, debugging, etc. */ |
252b5132 | 4260 | |
252b5132 | 4261 | static void |
98027b10 | 4262 | ppc_pdata (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 4263 | { |
81d4177b | 4264 | if (pdata_section == 0) |
252b5132 RH |
4265 | { |
4266 | pdata_section = subseg_new (".pdata", 0); | |
81d4177b | 4267 | |
252b5132 RH |
4268 | bfd_set_section_flags (stdoutput, pdata_section, |
4269 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
4270 | | SEC_READONLY | SEC_DATA )); | |
81d4177b | 4271 | |
252b5132 RH |
4272 | bfd_set_section_alignment (stdoutput, pdata_section, 2); |
4273 | } | |
4274 | else | |
4275 | { | |
99a814a1 | 4276 | pdata_section = subseg_new (".pdata", 0); |
252b5132 | 4277 | } |
99a814a1 | 4278 | ppc_set_current_section (pdata_section); |
252b5132 RH |
4279 | } |
4280 | ||
4281 | /* pseudo-op: .ydata | |
4282 | behaviour: predefined read only data section | |
b34976b6 | 4283 | double word aligned |
252b5132 RH |
4284 | errors: None |
4285 | warnings: None | |
4286 | initial: .section .ydata "drw3" | |
b34976b6 | 4287 | a - don't know -- maybe a misprint |
252b5132 RH |
4288 | d - initialized data |
4289 | r - readable | |
4290 | 3 - double word aligned (that would be 4 byte boundary) | |
4291 | commentary: | |
4292 | Tag tables (also known as the scope table) for exception handling, | |
99a814a1 AM |
4293 | debugging, etc. */ |
4294 | ||
252b5132 | 4295 | static void |
98027b10 | 4296 | ppc_ydata (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 4297 | { |
81d4177b | 4298 | if (ydata_section == 0) |
252b5132 RH |
4299 | { |
4300 | ydata_section = subseg_new (".ydata", 0); | |
4301 | bfd_set_section_flags (stdoutput, ydata_section, | |
99a814a1 AM |
4302 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
4303 | | SEC_READONLY | SEC_DATA )); | |
252b5132 RH |
4304 | |
4305 | bfd_set_section_alignment (stdoutput, ydata_section, 3); | |
4306 | } | |
4307 | else | |
4308 | { | |
4309 | ydata_section = subseg_new (".ydata", 0); | |
4310 | } | |
99a814a1 | 4311 | ppc_set_current_section (ydata_section); |
252b5132 RH |
4312 | } |
4313 | ||
4314 | /* pseudo-op: .reldata | |
4315 | behaviour: predefined read write data section | |
b34976b6 | 4316 | double word aligned (4-byte) |
252b5132 RH |
4317 | FIXME: relocation is applied to it |
4318 | FIXME: what's the difference between this and .data? | |
4319 | errors: None | |
4320 | warnings: None | |
4321 | initial: .section .reldata "drw3" | |
4322 | d - initialized data | |
4323 | r - readable | |
4324 | w - writeable | |
4325 | 3 - double word aligned (that would be 8 byte boundary) | |
4326 | ||
4327 | commentary: | |
4328 | Like .data, but intended to hold data subject to relocation, such as | |
99a814a1 AM |
4329 | function descriptors, etc. */ |
4330 | ||
252b5132 | 4331 | static void |
98027b10 | 4332 | ppc_reldata (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4333 | { |
4334 | if (reldata_section == 0) | |
4335 | { | |
4336 | reldata_section = subseg_new (".reldata", 0); | |
4337 | ||
4338 | bfd_set_section_flags (stdoutput, reldata_section, | |
99a814a1 AM |
4339 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
4340 | | SEC_DATA)); | |
252b5132 RH |
4341 | |
4342 | bfd_set_section_alignment (stdoutput, reldata_section, 2); | |
4343 | } | |
4344 | else | |
4345 | { | |
4346 | reldata_section = subseg_new (".reldata", 0); | |
4347 | } | |
99a814a1 | 4348 | ppc_set_current_section (reldata_section); |
252b5132 RH |
4349 | } |
4350 | ||
4351 | /* pseudo-op: .rdata | |
4352 | behaviour: predefined read only data section | |
b34976b6 | 4353 | double word aligned |
252b5132 RH |
4354 | errors: None |
4355 | warnings: None | |
4356 | initial: .section .rdata "dr3" | |
4357 | d - initialized data | |
4358 | r - readable | |
99a814a1 AM |
4359 | 3 - double word aligned (that would be 4 byte boundary) */ |
4360 | ||
252b5132 | 4361 | static void |
98027b10 | 4362 | ppc_rdata (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4363 | { |
4364 | if (rdata_section == 0) | |
4365 | { | |
4366 | rdata_section = subseg_new (".rdata", 0); | |
4367 | bfd_set_section_flags (stdoutput, rdata_section, | |
4368 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
4369 | | SEC_READONLY | SEC_DATA )); | |
4370 | ||
4371 | bfd_set_section_alignment (stdoutput, rdata_section, 2); | |
4372 | } | |
4373 | else | |
4374 | { | |
4375 | rdata_section = subseg_new (".rdata", 0); | |
4376 | } | |
99a814a1 | 4377 | ppc_set_current_section (rdata_section); |
252b5132 RH |
4378 | } |
4379 | ||
4380 | /* pseudo-op: .ualong | |
81d4177b | 4381 | behaviour: much like .int, with the exception that no alignment is |
b34976b6 | 4382 | performed. |
252b5132 RH |
4383 | FIXME: test the alignment statement |
4384 | errors: None | |
99a814a1 AM |
4385 | warnings: None */ |
4386 | ||
252b5132 | 4387 | static void |
98027b10 | 4388 | ppc_ualong (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 4389 | { |
99a814a1 AM |
4390 | /* Try for long. */ |
4391 | cons (4); | |
252b5132 RH |
4392 | } |
4393 | ||
4394 | /* pseudo-op: .znop <symbol name> | |
4395 | behaviour: Issue a nop instruction | |
b34976b6 | 4396 | Issue a IMAGE_REL_PPC_IFGLUE relocation against it, using |
252b5132 RH |
4397 | the supplied symbol name. |
4398 | errors: None | |
99a814a1 AM |
4399 | warnings: Missing symbol name */ |
4400 | ||
252b5132 | 4401 | static void |
98027b10 | 4402 | ppc_znop (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4403 | { |
4404 | unsigned long insn; | |
4405 | const struct powerpc_opcode *opcode; | |
4406 | expressionS ex; | |
4407 | char *f; | |
252b5132 | 4408 | symbolS *sym; |
252b5132 RH |
4409 | char *symbol_name; |
4410 | char c; | |
4411 | char *name; | |
4412 | unsigned int exp; | |
4413 | flagword flags; | |
4414 | asection *sec; | |
4415 | ||
99a814a1 | 4416 | /* Strip out the symbol name. */ |
252b5132 RH |
4417 | symbol_name = input_line_pointer; |
4418 | c = get_symbol_end (); | |
4419 | ||
4420 | name = xmalloc (input_line_pointer - symbol_name + 1); | |
4421 | strcpy (name, symbol_name); | |
4422 | ||
4423 | sym = symbol_find_or_make (name); | |
4424 | ||
4425 | *input_line_pointer = c; | |
4426 | ||
4427 | SKIP_WHITESPACE (); | |
4428 | ||
4429 | /* Look up the opcode in the hash table. */ | |
4430 | opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, "nop"); | |
4431 | ||
99a814a1 | 4432 | /* Stick in the nop. */ |
252b5132 RH |
4433 | insn = opcode->opcode; |
4434 | ||
4435 | /* Write out the instruction. */ | |
4436 | f = frag_more (4); | |
4437 | md_number_to_chars (f, insn, 4); | |
4438 | fix_new (frag_now, | |
4439 | f - frag_now->fr_literal, | |
4440 | 4, | |
4441 | sym, | |
4442 | 0, | |
4443 | 0, | |
4444 | BFD_RELOC_16_GOT_PCREL); | |
4445 | ||
4446 | } | |
4447 | ||
81d4177b KH |
4448 | /* pseudo-op: |
4449 | behaviour: | |
4450 | errors: | |
99a814a1 AM |
4451 | warnings: */ |
4452 | ||
252b5132 | 4453 | static void |
98027b10 | 4454 | ppc_pe_comm (int lcomm) |
252b5132 | 4455 | { |
98027b10 AM |
4456 | char *name; |
4457 | char c; | |
4458 | char *p; | |
252b5132 | 4459 | offsetT temp; |
98027b10 | 4460 | symbolS *symbolP; |
252b5132 RH |
4461 | offsetT align; |
4462 | ||
4463 | name = input_line_pointer; | |
4464 | c = get_symbol_end (); | |
4465 | ||
99a814a1 | 4466 | /* just after name is now '\0'. */ |
252b5132 RH |
4467 | p = input_line_pointer; |
4468 | *p = c; | |
4469 | SKIP_WHITESPACE (); | |
4470 | if (*input_line_pointer != ',') | |
4471 | { | |
4472 | as_bad (_("Expected comma after symbol-name: rest of line ignored.")); | |
4473 | ignore_rest_of_line (); | |
4474 | return; | |
4475 | } | |
4476 | ||
4477 | input_line_pointer++; /* skip ',' */ | |
4478 | if ((temp = get_absolute_expression ()) < 0) | |
4479 | { | |
4480 | as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) temp); | |
4481 | ignore_rest_of_line (); | |
4482 | return; | |
4483 | } | |
4484 | ||
4485 | if (! lcomm) | |
4486 | { | |
4487 | /* The third argument to .comm is the alignment. */ | |
4488 | if (*input_line_pointer != ',') | |
4489 | align = 3; | |
4490 | else | |
4491 | { | |
4492 | ++input_line_pointer; | |
4493 | align = get_absolute_expression (); | |
4494 | if (align <= 0) | |
4495 | { | |
4496 | as_warn (_("ignoring bad alignment")); | |
4497 | align = 3; | |
4498 | } | |
4499 | } | |
4500 | } | |
4501 | ||
4502 | *p = 0; | |
4503 | symbolP = symbol_find_or_make (name); | |
4504 | ||
4505 | *p = c; | |
4506 | if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP)) | |
4507 | { | |
4508 | as_bad (_("Ignoring attempt to re-define symbol `%s'."), | |
4509 | S_GET_NAME (symbolP)); | |
4510 | ignore_rest_of_line (); | |
4511 | return; | |
4512 | } | |
4513 | ||
4514 | if (S_GET_VALUE (symbolP)) | |
4515 | { | |
4516 | if (S_GET_VALUE (symbolP) != (valueT) temp) | |
4517 | as_bad (_("Length of .comm \"%s\" is already %ld. Not changed to %ld."), | |
4518 | S_GET_NAME (symbolP), | |
4519 | (long) S_GET_VALUE (symbolP), | |
4520 | (long) temp); | |
4521 | } | |
4522 | else | |
4523 | { | |
4524 | S_SET_VALUE (symbolP, (valueT) temp); | |
4525 | S_SET_EXTERNAL (symbolP); | |
86ebace2 | 4526 | S_SET_SEGMENT (symbolP, bfd_com_section_ptr); |
252b5132 RH |
4527 | } |
4528 | ||
4529 | demand_empty_rest_of_line (); | |
4530 | } | |
4531 | ||
4532 | /* | |
4533 | * implement the .section pseudo op: | |
4534 | * .section name {, "flags"} | |
4535 | * ^ ^ | |
4536 | * | +--- optional flags: 'b' for bss | |
4537 | * | 'i' for info | |
4538 | * +-- section name 'l' for lib | |
4539 | * 'n' for noload | |
4540 | * 'o' for over | |
4541 | * 'w' for data | |
4542 | * 'd' (apparently m88k for data) | |
4543 | * 'x' for text | |
4544 | * But if the argument is not a quoted string, treat it as a | |
4545 | * subsegment number. | |
4546 | * | |
4547 | * FIXME: this is a copy of the section processing from obj-coff.c, with | |
4548 | * additions/changes for the moto-pas assembler support. There are three | |
4549 | * categories: | |
4550 | * | |
81d4177b | 4551 | * FIXME: I just noticed this. This doesn't work at all really. It it |
252b5132 RH |
4552 | * setting bits that bfd probably neither understands or uses. The |
4553 | * correct approach (?) will have to incorporate extra fields attached | |
4554 | * to the section to hold the system specific stuff. (krk) | |
4555 | * | |
4556 | * Section Contents: | |
4557 | * 'a' - unknown - referred to in documentation, but no definition supplied | |
4558 | * 'c' - section has code | |
4559 | * 'd' - section has initialized data | |
4560 | * 'u' - section has uninitialized data | |
4561 | * 'i' - section contains directives (info) | |
4562 | * 'n' - section can be discarded | |
4563 | * 'R' - remove section at link time | |
4564 | * | |
4565 | * Section Protection: | |
4566 | * 'r' - section is readable | |
4567 | * 'w' - section is writeable | |
4568 | * 'x' - section is executable | |
4569 | * 's' - section is sharable | |
4570 | * | |
4571 | * Section Alignment: | |
4572 | * '0' - align to byte boundary | |
4573 | * '1' - align to halfword undary | |
4574 | * '2' - align to word boundary | |
4575 | * '3' - align to doubleword boundary | |
4576 | * '4' - align to quadword boundary | |
4577 | * '5' - align to 32 byte boundary | |
4578 | * '6' - align to 64 byte boundary | |
4579 | * | |
4580 | */ | |
4581 | ||
4582 | void | |
98027b10 | 4583 | ppc_pe_section (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 4584 | { |
99a814a1 | 4585 | /* Strip out the section name. */ |
252b5132 RH |
4586 | char *section_name; |
4587 | char c; | |
4588 | char *name; | |
4589 | unsigned int exp; | |
4590 | flagword flags; | |
4591 | segT sec; | |
4592 | int align; | |
4593 | ||
4594 | section_name = input_line_pointer; | |
4595 | c = get_symbol_end (); | |
4596 | ||
4597 | name = xmalloc (input_line_pointer - section_name + 1); | |
4598 | strcpy (name, section_name); | |
4599 | ||
4600 | *input_line_pointer = c; | |
4601 | ||
4602 | SKIP_WHITESPACE (); | |
4603 | ||
4604 | exp = 0; | |
4605 | flags = SEC_NO_FLAGS; | |
4606 | ||
4607 | if (strcmp (name, ".idata$2") == 0) | |
4608 | { | |
4609 | align = 0; | |
4610 | } | |
4611 | else if (strcmp (name, ".idata$3") == 0) | |
4612 | { | |
4613 | align = 0; | |
4614 | } | |
4615 | else if (strcmp (name, ".idata$4") == 0) | |
4616 | { | |
4617 | align = 2; | |
4618 | } | |
4619 | else if (strcmp (name, ".idata$5") == 0) | |
4620 | { | |
4621 | align = 2; | |
4622 | } | |
4623 | else if (strcmp (name, ".idata$6") == 0) | |
4624 | { | |
4625 | align = 1; | |
4626 | } | |
4627 | else | |
99a814a1 AM |
4628 | /* Default alignment to 16 byte boundary. */ |
4629 | align = 4; | |
252b5132 RH |
4630 | |
4631 | if (*input_line_pointer == ',') | |
4632 | { | |
4633 | ++input_line_pointer; | |
4634 | SKIP_WHITESPACE (); | |
4635 | if (*input_line_pointer != '"') | |
4636 | exp = get_absolute_expression (); | |
4637 | else | |
4638 | { | |
4639 | ++input_line_pointer; | |
4640 | while (*input_line_pointer != '"' | |
4641 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
4642 | { | |
4643 | switch (*input_line_pointer) | |
4644 | { | |
4645 | /* Section Contents */ | |
4646 | case 'a': /* unknown */ | |
4647 | as_bad (_("Unsupported section attribute -- 'a'")); | |
4648 | break; | |
4649 | case 'c': /* code section */ | |
81d4177b | 4650 | flags |= SEC_CODE; |
252b5132 RH |
4651 | break; |
4652 | case 'd': /* section has initialized data */ | |
4653 | flags |= SEC_DATA; | |
4654 | break; | |
4655 | case 'u': /* section has uninitialized data */ | |
4656 | /* FIXME: This is IMAGE_SCN_CNT_UNINITIALIZED_DATA | |
4657 | in winnt.h */ | |
4658 | flags |= SEC_ROM; | |
4659 | break; | |
4660 | case 'i': /* section contains directives (info) */ | |
4661 | /* FIXME: This is IMAGE_SCN_LNK_INFO | |
4662 | in winnt.h */ | |
4663 | flags |= SEC_HAS_CONTENTS; | |
4664 | break; | |
4665 | case 'n': /* section can be discarded */ | |
81d4177b | 4666 | flags &=~ SEC_LOAD; |
252b5132 RH |
4667 | break; |
4668 | case 'R': /* Remove section at link time */ | |
4669 | flags |= SEC_NEVER_LOAD; | |
4670 | break; | |
8d452c78 | 4671 | #if IFLICT_BRAIN_DAMAGE |
252b5132 RH |
4672 | /* Section Protection */ |
4673 | case 'r': /* section is readable */ | |
4674 | flags |= IMAGE_SCN_MEM_READ; | |
4675 | break; | |
4676 | case 'w': /* section is writeable */ | |
4677 | flags |= IMAGE_SCN_MEM_WRITE; | |
4678 | break; | |
4679 | case 'x': /* section is executable */ | |
4680 | flags |= IMAGE_SCN_MEM_EXECUTE; | |
4681 | break; | |
4682 | case 's': /* section is sharable */ | |
4683 | flags |= IMAGE_SCN_MEM_SHARED; | |
4684 | break; | |
4685 | ||
4686 | /* Section Alignment */ | |
4687 | case '0': /* align to byte boundary */ | |
4688 | flags |= IMAGE_SCN_ALIGN_1BYTES; | |
4689 | align = 0; | |
4690 | break; | |
4691 | case '1': /* align to halfword boundary */ | |
4692 | flags |= IMAGE_SCN_ALIGN_2BYTES; | |
4693 | align = 1; | |
4694 | break; | |
4695 | case '2': /* align to word boundary */ | |
4696 | flags |= IMAGE_SCN_ALIGN_4BYTES; | |
4697 | align = 2; | |
4698 | break; | |
4699 | case '3': /* align to doubleword boundary */ | |
4700 | flags |= IMAGE_SCN_ALIGN_8BYTES; | |
4701 | align = 3; | |
4702 | break; | |
4703 | case '4': /* align to quadword boundary */ | |
4704 | flags |= IMAGE_SCN_ALIGN_16BYTES; | |
4705 | align = 4; | |
4706 | break; | |
4707 | case '5': /* align to 32 byte boundary */ | |
4708 | flags |= IMAGE_SCN_ALIGN_32BYTES; | |
4709 | align = 5; | |
4710 | break; | |
4711 | case '6': /* align to 64 byte boundary */ | |
4712 | flags |= IMAGE_SCN_ALIGN_64BYTES; | |
4713 | align = 6; | |
4714 | break; | |
8d452c78 | 4715 | #endif |
252b5132 | 4716 | default: |
99a814a1 AM |
4717 | as_bad (_("unknown section attribute '%c'"), |
4718 | *input_line_pointer); | |
252b5132 RH |
4719 | break; |
4720 | } | |
4721 | ++input_line_pointer; | |
4722 | } | |
4723 | if (*input_line_pointer == '"') | |
4724 | ++input_line_pointer; | |
4725 | } | |
4726 | } | |
4727 | ||
4728 | sec = subseg_new (name, (subsegT) exp); | |
4729 | ||
99a814a1 | 4730 | ppc_set_current_section (sec); |
252b5132 RH |
4731 | |
4732 | if (flags != SEC_NO_FLAGS) | |
4733 | { | |
4734 | if (! bfd_set_section_flags (stdoutput, sec, flags)) | |
4735 | as_bad (_("error setting flags for \"%s\": %s"), | |
4736 | bfd_section_name (stdoutput, sec), | |
4737 | bfd_errmsg (bfd_get_error ())); | |
4738 | } | |
4739 | ||
99a814a1 | 4740 | bfd_set_section_alignment (stdoutput, sec, align); |
252b5132 RH |
4741 | } |
4742 | ||
4743 | static void | |
98027b10 | 4744 | ppc_pe_function (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4745 | { |
4746 | char *name; | |
4747 | char endc; | |
4748 | symbolS *ext_sym; | |
4749 | ||
4750 | name = input_line_pointer; | |
4751 | endc = get_symbol_end (); | |
4752 | ||
4753 | ext_sym = symbol_find_or_make (name); | |
4754 | ||
4755 | *input_line_pointer = endc; | |
4756 | ||
4757 | S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT); | |
4758 | SF_SET_FUNCTION (ext_sym); | |
4759 | SF_SET_PROCESS (ext_sym); | |
4760 | coff_add_linesym (ext_sym); | |
4761 | ||
4762 | demand_empty_rest_of_line (); | |
4763 | } | |
4764 | ||
4765 | static void | |
98027b10 | 4766 | ppc_pe_tocd (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4767 | { |
4768 | if (tocdata_section == 0) | |
4769 | { | |
4770 | tocdata_section = subseg_new (".tocd", 0); | |
99a814a1 | 4771 | /* FIXME: section flags won't work. */ |
252b5132 RH |
4772 | bfd_set_section_flags (stdoutput, tocdata_section, |
4773 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
99a814a1 | 4774 | | SEC_READONLY | SEC_DATA)); |
252b5132 RH |
4775 | |
4776 | bfd_set_section_alignment (stdoutput, tocdata_section, 2); | |
4777 | } | |
4778 | else | |
4779 | { | |
4780 | rdata_section = subseg_new (".tocd", 0); | |
4781 | } | |
4782 | ||
99a814a1 | 4783 | ppc_set_current_section (tocdata_section); |
252b5132 RH |
4784 | |
4785 | demand_empty_rest_of_line (); | |
4786 | } | |
4787 | ||
4788 | /* Don't adjust TOC relocs to use the section symbol. */ | |
4789 | ||
4790 | int | |
98027b10 | 4791 | ppc_pe_fix_adjustable (fixS *fix) |
252b5132 RH |
4792 | { |
4793 | return fix->fx_r_type != BFD_RELOC_PPC_TOC16; | |
4794 | } | |
4795 | ||
4796 | #endif | |
4797 | \f | |
4798 | #ifdef OBJ_XCOFF | |
4799 | ||
4800 | /* XCOFF specific symbol and file handling. */ | |
4801 | ||
4802 | /* Canonicalize the symbol name. We use the to force the suffix, if | |
4803 | any, to use square brackets, and to be in upper case. */ | |
4804 | ||
4805 | char * | |
98027b10 | 4806 | ppc_canonicalize_symbol_name (char *name) |
252b5132 RH |
4807 | { |
4808 | char *s; | |
4809 | ||
4810 | if (ppc_stab_symbol) | |
4811 | return name; | |
4812 | ||
4813 | for (s = name; *s != '\0' && *s != '{' && *s != '['; s++) | |
4814 | ; | |
4815 | if (*s != '\0') | |
4816 | { | |
4817 | char brac; | |
4818 | ||
4819 | if (*s == '[') | |
4820 | brac = ']'; | |
4821 | else | |
4822 | { | |
4823 | *s = '['; | |
4824 | brac = '}'; | |
4825 | } | |
4826 | ||
4827 | for (s++; *s != '\0' && *s != brac; s++) | |
3882b010 | 4828 | *s = TOUPPER (*s); |
252b5132 RH |
4829 | |
4830 | if (*s == '\0' || s[1] != '\0') | |
4831 | as_bad (_("bad symbol suffix")); | |
4832 | ||
4833 | *s = ']'; | |
4834 | } | |
4835 | ||
4836 | return name; | |
4837 | } | |
4838 | ||
4839 | /* Set the class of a symbol based on the suffix, if any. This is | |
4840 | called whenever a new symbol is created. */ | |
4841 | ||
4842 | void | |
98027b10 | 4843 | ppc_symbol_new_hook (symbolS *sym) |
252b5132 | 4844 | { |
809ffe0d | 4845 | struct ppc_tc_sy *tc; |
252b5132 RH |
4846 | const char *s; |
4847 | ||
809ffe0d ILT |
4848 | tc = symbol_get_tc (sym); |
4849 | tc->next = NULL; | |
4850 | tc->output = 0; | |
4851 | tc->class = -1; | |
4852 | tc->real_name = NULL; | |
4853 | tc->subseg = 0; | |
4854 | tc->align = 0; | |
4855 | tc->size = NULL; | |
4856 | tc->within = NULL; | |
252b5132 RH |
4857 | |
4858 | if (ppc_stab_symbol) | |
4859 | return; | |
4860 | ||
4861 | s = strchr (S_GET_NAME (sym), '['); | |
4862 | if (s == (const char *) NULL) | |
4863 | { | |
4864 | /* There is no suffix. */ | |
4865 | return; | |
4866 | } | |
4867 | ||
4868 | ++s; | |
4869 | ||
4870 | switch (s[0]) | |
4871 | { | |
4872 | case 'B': | |
4873 | if (strcmp (s, "BS]") == 0) | |
809ffe0d | 4874 | tc->class = XMC_BS; |
252b5132 RH |
4875 | break; |
4876 | case 'D': | |
4877 | if (strcmp (s, "DB]") == 0) | |
809ffe0d | 4878 | tc->class = XMC_DB; |
252b5132 | 4879 | else if (strcmp (s, "DS]") == 0) |
809ffe0d | 4880 | tc->class = XMC_DS; |
252b5132 RH |
4881 | break; |
4882 | case 'G': | |
4883 | if (strcmp (s, "GL]") == 0) | |
809ffe0d | 4884 | tc->class = XMC_GL; |
252b5132 RH |
4885 | break; |
4886 | case 'P': | |
4887 | if (strcmp (s, "PR]") == 0) | |
809ffe0d | 4888 | tc->class = XMC_PR; |
252b5132 RH |
4889 | break; |
4890 | case 'R': | |
4891 | if (strcmp (s, "RO]") == 0) | |
809ffe0d | 4892 | tc->class = XMC_RO; |
252b5132 | 4893 | else if (strcmp (s, "RW]") == 0) |
809ffe0d | 4894 | tc->class = XMC_RW; |
252b5132 RH |
4895 | break; |
4896 | case 'S': | |
4897 | if (strcmp (s, "SV]") == 0) | |
809ffe0d | 4898 | tc->class = XMC_SV; |
252b5132 RH |
4899 | break; |
4900 | case 'T': | |
4901 | if (strcmp (s, "TC]") == 0) | |
809ffe0d | 4902 | tc->class = XMC_TC; |
252b5132 | 4903 | else if (strcmp (s, "TI]") == 0) |
809ffe0d | 4904 | tc->class = XMC_TI; |
252b5132 | 4905 | else if (strcmp (s, "TB]") == 0) |
809ffe0d | 4906 | tc->class = XMC_TB; |
252b5132 | 4907 | else if (strcmp (s, "TC0]") == 0 || strcmp (s, "T0]") == 0) |
809ffe0d | 4908 | tc->class = XMC_TC0; |
252b5132 RH |
4909 | break; |
4910 | case 'U': | |
4911 | if (strcmp (s, "UA]") == 0) | |
809ffe0d | 4912 | tc->class = XMC_UA; |
252b5132 | 4913 | else if (strcmp (s, "UC]") == 0) |
809ffe0d | 4914 | tc->class = XMC_UC; |
252b5132 RH |
4915 | break; |
4916 | case 'X': | |
4917 | if (strcmp (s, "XO]") == 0) | |
809ffe0d | 4918 | tc->class = XMC_XO; |
252b5132 RH |
4919 | break; |
4920 | } | |
4921 | ||
809ffe0d | 4922 | if (tc->class == -1) |
252b5132 RH |
4923 | as_bad (_("Unrecognized symbol suffix")); |
4924 | } | |
4925 | ||
4926 | /* Set the class of a label based on where it is defined. This | |
4927 | handles symbols without suffixes. Also, move the symbol so that it | |
4928 | follows the csect symbol. */ | |
4929 | ||
4930 | void | |
98027b10 | 4931 | ppc_frob_label (symbolS *sym) |
252b5132 RH |
4932 | { |
4933 | if (ppc_current_csect != (symbolS *) NULL) | |
4934 | { | |
809ffe0d ILT |
4935 | if (symbol_get_tc (sym)->class == -1) |
4936 | symbol_get_tc (sym)->class = symbol_get_tc (ppc_current_csect)->class; | |
252b5132 RH |
4937 | |
4938 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
4939 | symbol_append (sym, symbol_get_tc (ppc_current_csect)->within, |
4940 | &symbol_rootP, &symbol_lastP); | |
4941 | symbol_get_tc (ppc_current_csect)->within = sym; | |
252b5132 | 4942 | } |
07a53e5c RH |
4943 | |
4944 | #ifdef OBJ_ELF | |
4945 | dwarf2_emit_label (sym); | |
4946 | #endif | |
252b5132 RH |
4947 | } |
4948 | ||
4949 | /* This variable is set by ppc_frob_symbol if any absolute symbols are | |
4950 | seen. It tells ppc_adjust_symtab whether it needs to look through | |
4951 | the symbols. */ | |
4952 | ||
b34976b6 | 4953 | static bfd_boolean ppc_saw_abs; |
252b5132 RH |
4954 | |
4955 | /* Change the name of a symbol just before writing it out. Set the | |
4956 | real name if the .rename pseudo-op was used. Otherwise, remove any | |
4957 | class suffix. Return 1 if the symbol should not be included in the | |
4958 | symbol table. */ | |
4959 | ||
4960 | int | |
98027b10 | 4961 | ppc_frob_symbol (symbolS *sym) |
252b5132 RH |
4962 | { |
4963 | static symbolS *ppc_last_function; | |
4964 | static symbolS *set_end; | |
4965 | ||
4966 | /* Discard symbols that should not be included in the output symbol | |
4967 | table. */ | |
809ffe0d ILT |
4968 | if (! symbol_used_in_reloc_p (sym) |
4969 | && ((symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) != 0 | |
670ec21d | 4970 | || (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym)) |
809ffe0d | 4971 | && ! symbol_get_tc (sym)->output |
252b5132 RH |
4972 | && S_GET_STORAGE_CLASS (sym) != C_FILE))) |
4973 | return 1; | |
4974 | ||
a161fe53 AM |
4975 | /* This one will disappear anyway. Don't make a csect sym for it. */ |
4976 | if (sym == abs_section_sym) | |
4977 | return 1; | |
4978 | ||
809ffe0d ILT |
4979 | if (symbol_get_tc (sym)->real_name != (char *) NULL) |
4980 | S_SET_NAME (sym, symbol_get_tc (sym)->real_name); | |
252b5132 RH |
4981 | else |
4982 | { | |
4983 | const char *name; | |
4984 | const char *s; | |
4985 | ||
4986 | name = S_GET_NAME (sym); | |
4987 | s = strchr (name, '['); | |
4988 | if (s != (char *) NULL) | |
4989 | { | |
4990 | unsigned int len; | |
4991 | char *snew; | |
4992 | ||
4993 | len = s - name; | |
4994 | snew = xmalloc (len + 1); | |
4995 | memcpy (snew, name, len); | |
4996 | snew[len] = '\0'; | |
4997 | ||
4998 | S_SET_NAME (sym, snew); | |
4999 | } | |
5000 | } | |
5001 | ||
5002 | if (set_end != (symbolS *) NULL) | |
5003 | { | |
5004 | SA_SET_SYM_ENDNDX (set_end, sym); | |
5005 | set_end = NULL; | |
5006 | } | |
5007 | ||
5008 | if (SF_GET_FUNCTION (sym)) | |
5009 | { | |
5010 | if (ppc_last_function != (symbolS *) NULL) | |
5011 | as_bad (_("two .function pseudo-ops with no intervening .ef")); | |
5012 | ppc_last_function = sym; | |
809ffe0d | 5013 | if (symbol_get_tc (sym)->size != (symbolS *) NULL) |
252b5132 | 5014 | { |
6386f3a7 | 5015 | resolve_symbol_value (symbol_get_tc (sym)->size); |
809ffe0d ILT |
5016 | SA_SET_SYM_FSIZE (sym, |
5017 | (long) S_GET_VALUE (symbol_get_tc (sym)->size)); | |
252b5132 RH |
5018 | } |
5019 | } | |
5020 | else if (S_GET_STORAGE_CLASS (sym) == C_FCN | |
5021 | && strcmp (S_GET_NAME (sym), ".ef") == 0) | |
5022 | { | |
5023 | if (ppc_last_function == (symbolS *) NULL) | |
5024 | as_bad (_(".ef with no preceding .function")); | |
5025 | else | |
5026 | { | |
5027 | set_end = ppc_last_function; | |
5028 | ppc_last_function = NULL; | |
5029 | ||
5030 | /* We don't have a C_EFCN symbol, but we need to force the | |
5031 | COFF backend to believe that it has seen one. */ | |
5032 | coff_last_function = NULL; | |
5033 | } | |
5034 | } | |
5035 | ||
670ec21d | 5036 | if (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym)) |
809ffe0d | 5037 | && (symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) == 0 |
252b5132 RH |
5038 | && S_GET_STORAGE_CLASS (sym) != C_FILE |
5039 | && S_GET_STORAGE_CLASS (sym) != C_FCN | |
5040 | && S_GET_STORAGE_CLASS (sym) != C_BLOCK | |
5041 | && S_GET_STORAGE_CLASS (sym) != C_BSTAT | |
5042 | && S_GET_STORAGE_CLASS (sym) != C_ESTAT | |
5043 | && S_GET_STORAGE_CLASS (sym) != C_BINCL | |
5044 | && S_GET_STORAGE_CLASS (sym) != C_EINCL | |
5045 | && S_GET_SEGMENT (sym) != ppc_coff_debug_section) | |
5046 | S_SET_STORAGE_CLASS (sym, C_HIDEXT); | |
5047 | ||
5048 | if (S_GET_STORAGE_CLASS (sym) == C_EXT | |
5049 | || S_GET_STORAGE_CLASS (sym) == C_HIDEXT) | |
5050 | { | |
5051 | int i; | |
5052 | union internal_auxent *a; | |
5053 | ||
5054 | /* Create a csect aux. */ | |
5055 | i = S_GET_NUMBER_AUXILIARY (sym); | |
5056 | S_SET_NUMBER_AUXILIARY (sym, i + 1); | |
809ffe0d ILT |
5057 | a = &coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].u.auxent; |
5058 | if (symbol_get_tc (sym)->class == XMC_TC0) | |
252b5132 RH |
5059 | { |
5060 | /* This is the TOC table. */ | |
5061 | know (strcmp (S_GET_NAME (sym), "TOC") == 0); | |
5062 | a->x_csect.x_scnlen.l = 0; | |
5063 | a->x_csect.x_smtyp = (2 << 3) | XTY_SD; | |
5064 | } | |
809ffe0d | 5065 | else if (symbol_get_tc (sym)->subseg != 0) |
252b5132 RH |
5066 | { |
5067 | /* This is a csect symbol. x_scnlen is the size of the | |
5068 | csect. */ | |
809ffe0d | 5069 | if (symbol_get_tc (sym)->next == (symbolS *) NULL) |
252b5132 RH |
5070 | a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput, |
5071 | S_GET_SEGMENT (sym)) | |
5072 | - S_GET_VALUE (sym)); | |
5073 | else | |
5074 | { | |
6386f3a7 | 5075 | resolve_symbol_value (symbol_get_tc (sym)->next); |
809ffe0d | 5076 | a->x_csect.x_scnlen.l = (S_GET_VALUE (symbol_get_tc (sym)->next) |
252b5132 RH |
5077 | - S_GET_VALUE (sym)); |
5078 | } | |
809ffe0d | 5079 | a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_SD; |
252b5132 RH |
5080 | } |
5081 | else if (S_GET_SEGMENT (sym) == bss_section) | |
5082 | { | |
5083 | /* This is a common symbol. */ | |
809ffe0d ILT |
5084 | a->x_csect.x_scnlen.l = symbol_get_frag (sym)->fr_offset; |
5085 | a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_CM; | |
252b5132 | 5086 | if (S_IS_EXTERNAL (sym)) |
809ffe0d | 5087 | symbol_get_tc (sym)->class = XMC_RW; |
252b5132 | 5088 | else |
809ffe0d | 5089 | symbol_get_tc (sym)->class = XMC_BS; |
252b5132 RH |
5090 | } |
5091 | else if (S_GET_SEGMENT (sym) == absolute_section) | |
5092 | { | |
5093 | /* This is an absolute symbol. The csect will be created by | |
99a814a1 | 5094 | ppc_adjust_symtab. */ |
b34976b6 | 5095 | ppc_saw_abs = TRUE; |
252b5132 | 5096 | a->x_csect.x_smtyp = XTY_LD; |
809ffe0d ILT |
5097 | if (symbol_get_tc (sym)->class == -1) |
5098 | symbol_get_tc (sym)->class = XMC_XO; | |
252b5132 RH |
5099 | } |
5100 | else if (! S_IS_DEFINED (sym)) | |
5101 | { | |
5102 | /* This is an external symbol. */ | |
5103 | a->x_csect.x_scnlen.l = 0; | |
5104 | a->x_csect.x_smtyp = XTY_ER; | |
5105 | } | |
809ffe0d | 5106 | else if (symbol_get_tc (sym)->class == XMC_TC) |
252b5132 RH |
5107 | { |
5108 | symbolS *next; | |
5109 | ||
5110 | /* This is a TOC definition. x_scnlen is the size of the | |
5111 | TOC entry. */ | |
5112 | next = symbol_next (sym); | |
809ffe0d | 5113 | while (symbol_get_tc (next)->class == XMC_TC0) |
252b5132 RH |
5114 | next = symbol_next (next); |
5115 | if (next == (symbolS *) NULL | |
809ffe0d | 5116 | || symbol_get_tc (next)->class != XMC_TC) |
252b5132 RH |
5117 | { |
5118 | if (ppc_after_toc_frag == (fragS *) NULL) | |
5119 | a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput, | |
5120 | data_section) | |
5121 | - S_GET_VALUE (sym)); | |
5122 | else | |
5123 | a->x_csect.x_scnlen.l = (ppc_after_toc_frag->fr_address | |
5124 | - S_GET_VALUE (sym)); | |
5125 | } | |
5126 | else | |
5127 | { | |
6386f3a7 | 5128 | resolve_symbol_value (next); |
252b5132 RH |
5129 | a->x_csect.x_scnlen.l = (S_GET_VALUE (next) |
5130 | - S_GET_VALUE (sym)); | |
5131 | } | |
5132 | a->x_csect.x_smtyp = (2 << 3) | XTY_SD; | |
5133 | } | |
5134 | else | |
5135 | { | |
5136 | symbolS *csect; | |
5137 | ||
5138 | /* This is a normal symbol definition. x_scnlen is the | |
5139 | symbol index of the containing csect. */ | |
5140 | if (S_GET_SEGMENT (sym) == text_section) | |
5141 | csect = ppc_text_csects; | |
5142 | else if (S_GET_SEGMENT (sym) == data_section) | |
5143 | csect = ppc_data_csects; | |
5144 | else | |
5145 | abort (); | |
5146 | ||
5147 | /* Skip the initial dummy symbol. */ | |
809ffe0d | 5148 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
5149 | |
5150 | if (csect == (symbolS *) NULL) | |
5151 | { | |
5152 | as_warn (_("warning: symbol %s has no csect"), S_GET_NAME (sym)); | |
5153 | a->x_csect.x_scnlen.l = 0; | |
5154 | } | |
5155 | else | |
5156 | { | |
809ffe0d | 5157 | while (symbol_get_tc (csect)->next != (symbolS *) NULL) |
252b5132 | 5158 | { |
6386f3a7 | 5159 | resolve_symbol_value (symbol_get_tc (csect)->next); |
809ffe0d ILT |
5160 | if (S_GET_VALUE (symbol_get_tc (csect)->next) |
5161 | > S_GET_VALUE (sym)) | |
252b5132 | 5162 | break; |
809ffe0d | 5163 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
5164 | } |
5165 | ||
809ffe0d ILT |
5166 | a->x_csect.x_scnlen.p = |
5167 | coffsymbol (symbol_get_bfdsym (csect))->native; | |
5168 | coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].fix_scnlen = | |
5169 | 1; | |
252b5132 RH |
5170 | } |
5171 | a->x_csect.x_smtyp = XTY_LD; | |
5172 | } | |
81d4177b | 5173 | |
252b5132 RH |
5174 | a->x_csect.x_parmhash = 0; |
5175 | a->x_csect.x_snhash = 0; | |
809ffe0d | 5176 | if (symbol_get_tc (sym)->class == -1) |
252b5132 RH |
5177 | a->x_csect.x_smclas = XMC_PR; |
5178 | else | |
809ffe0d | 5179 | a->x_csect.x_smclas = symbol_get_tc (sym)->class; |
252b5132 RH |
5180 | a->x_csect.x_stab = 0; |
5181 | a->x_csect.x_snstab = 0; | |
5182 | ||
5183 | /* Don't let the COFF backend resort these symbols. */ | |
809ffe0d | 5184 | symbol_get_bfdsym (sym)->flags |= BSF_NOT_AT_END; |
252b5132 RH |
5185 | } |
5186 | else if (S_GET_STORAGE_CLASS (sym) == C_BSTAT) | |
5187 | { | |
5188 | /* We want the value to be the symbol index of the referenced | |
5189 | csect symbol. BFD will do that for us if we set the right | |
5190 | flags. */ | |
b782de16 AM |
5191 | asymbol *bsym = symbol_get_bfdsym (symbol_get_tc (sym)->within); |
5192 | combined_entry_type *c = coffsymbol (bsym)->native; | |
5193 | ||
5194 | S_SET_VALUE (sym, (valueT) (size_t) c); | |
809ffe0d | 5195 | coffsymbol (symbol_get_bfdsym (sym))->native->fix_value = 1; |
252b5132 RH |
5196 | } |
5197 | else if (S_GET_STORAGE_CLASS (sym) == C_STSYM) | |
5198 | { | |
5199 | symbolS *block; | |
5200 | symbolS *csect; | |
5201 | ||
5202 | /* The value is the offset from the enclosing csect. */ | |
809ffe0d ILT |
5203 | block = symbol_get_tc (sym)->within; |
5204 | csect = symbol_get_tc (block)->within; | |
6386f3a7 | 5205 | resolve_symbol_value (csect); |
252b5132 RH |
5206 | S_SET_VALUE (sym, S_GET_VALUE (sym) - S_GET_VALUE (csect)); |
5207 | } | |
5208 | else if (S_GET_STORAGE_CLASS (sym) == C_BINCL | |
5209 | || S_GET_STORAGE_CLASS (sym) == C_EINCL) | |
5210 | { | |
5211 | /* We want the value to be a file offset into the line numbers. | |
99a814a1 AM |
5212 | BFD will do that for us if we set the right flags. We have |
5213 | already set the value correctly. */ | |
809ffe0d | 5214 | coffsymbol (symbol_get_bfdsym (sym))->native->fix_line = 1; |
252b5132 RH |
5215 | } |
5216 | ||
5217 | return 0; | |
5218 | } | |
5219 | ||
5220 | /* Adjust the symbol table. This creates csect symbols for all | |
5221 | absolute symbols. */ | |
5222 | ||
5223 | void | |
98027b10 | 5224 | ppc_adjust_symtab (void) |
252b5132 RH |
5225 | { |
5226 | symbolS *sym; | |
5227 | ||
5228 | if (! ppc_saw_abs) | |
5229 | return; | |
5230 | ||
5231 | for (sym = symbol_rootP; sym != NULL; sym = symbol_next (sym)) | |
5232 | { | |
5233 | symbolS *csect; | |
5234 | int i; | |
5235 | union internal_auxent *a; | |
5236 | ||
5237 | if (S_GET_SEGMENT (sym) != absolute_section) | |
5238 | continue; | |
5239 | ||
5240 | csect = symbol_create (".abs[XO]", absolute_section, | |
5241 | S_GET_VALUE (sym), &zero_address_frag); | |
809ffe0d | 5242 | symbol_get_bfdsym (csect)->value = S_GET_VALUE (sym); |
252b5132 RH |
5243 | S_SET_STORAGE_CLASS (csect, C_HIDEXT); |
5244 | i = S_GET_NUMBER_AUXILIARY (csect); | |
5245 | S_SET_NUMBER_AUXILIARY (csect, i + 1); | |
809ffe0d | 5246 | a = &coffsymbol (symbol_get_bfdsym (csect))->native[i + 1].u.auxent; |
252b5132 RH |
5247 | a->x_csect.x_scnlen.l = 0; |
5248 | a->x_csect.x_smtyp = XTY_SD; | |
5249 | a->x_csect.x_parmhash = 0; | |
5250 | a->x_csect.x_snhash = 0; | |
5251 | a->x_csect.x_smclas = XMC_XO; | |
5252 | a->x_csect.x_stab = 0; | |
5253 | a->x_csect.x_snstab = 0; | |
5254 | ||
5255 | symbol_insert (csect, sym, &symbol_rootP, &symbol_lastP); | |
5256 | ||
5257 | i = S_GET_NUMBER_AUXILIARY (sym); | |
809ffe0d ILT |
5258 | a = &coffsymbol (symbol_get_bfdsym (sym))->native[i].u.auxent; |
5259 | a->x_csect.x_scnlen.p = coffsymbol (symbol_get_bfdsym (csect))->native; | |
5260 | coffsymbol (symbol_get_bfdsym (sym))->native[i].fix_scnlen = 1; | |
252b5132 RH |
5261 | } |
5262 | ||
b34976b6 | 5263 | ppc_saw_abs = FALSE; |
252b5132 RH |
5264 | } |
5265 | ||
5266 | /* Set the VMA for a section. This is called on all the sections in | |
5267 | turn. */ | |
5268 | ||
5269 | void | |
98027b10 | 5270 | ppc_frob_section (asection *sec) |
252b5132 | 5271 | { |
931e13a6 | 5272 | static bfd_vma vma = 0; |
252b5132 | 5273 | |
931e13a6 | 5274 | vma = md_section_align (sec, vma); |
252b5132 RH |
5275 | bfd_set_section_vma (stdoutput, sec, vma); |
5276 | vma += bfd_section_size (stdoutput, sec); | |
5277 | } | |
5278 | ||
5279 | #endif /* OBJ_XCOFF */ | |
5280 | \f | |
252b5132 | 5281 | char * |
98027b10 | 5282 | md_atof (int type, char *litp, int *sizep) |
252b5132 | 5283 | { |
499ac353 | 5284 | return ieee_md_atof (type, litp, sizep, target_big_endian); |
252b5132 RH |
5285 | } |
5286 | ||
5287 | /* Write a value out to the object file, using the appropriate | |
5288 | endianness. */ | |
5289 | ||
5290 | void | |
98027b10 | 5291 | md_number_to_chars (char *buf, valueT val, int n) |
252b5132 RH |
5292 | { |
5293 | if (target_big_endian) | |
5294 | number_to_chars_bigendian (buf, val, n); | |
5295 | else | |
5296 | number_to_chars_littleendian (buf, val, n); | |
5297 | } | |
5298 | ||
5299 | /* Align a section (I don't know why this is machine dependent). */ | |
5300 | ||
5301 | valueT | |
3aeeedbb | 5302 | md_section_align (asection *seg ATTRIBUTE_UNUSED, valueT addr) |
252b5132 | 5303 | { |
3aeeedbb AM |
5304 | #ifdef OBJ_ELF |
5305 | return addr; | |
5306 | #else | |
252b5132 RH |
5307 | int align = bfd_get_section_alignment (stdoutput, seg); |
5308 | ||
5309 | return ((addr + (1 << align) - 1) & (-1 << align)); | |
3aeeedbb | 5310 | #endif |
252b5132 RH |
5311 | } |
5312 | ||
5313 | /* We don't have any form of relaxing. */ | |
5314 | ||
5315 | int | |
98027b10 AM |
5316 | md_estimate_size_before_relax (fragS *fragp ATTRIBUTE_UNUSED, |
5317 | asection *seg ATTRIBUTE_UNUSED) | |
252b5132 RH |
5318 | { |
5319 | abort (); | |
5320 | return 0; | |
5321 | } | |
5322 | ||
5323 | /* Convert a machine dependent frag. We never generate these. */ | |
5324 | ||
5325 | void | |
98027b10 AM |
5326 | md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, |
5327 | asection *sec ATTRIBUTE_UNUSED, | |
5328 | fragS *fragp ATTRIBUTE_UNUSED) | |
252b5132 RH |
5329 | { |
5330 | abort (); | |
5331 | } | |
5332 | ||
5333 | /* We have no need to default values of symbols. */ | |
5334 | ||
252b5132 | 5335 | symbolS * |
98027b10 | 5336 | md_undefined_symbol (char *name ATTRIBUTE_UNUSED) |
252b5132 RH |
5337 | { |
5338 | return 0; | |
5339 | } | |
5340 | \f | |
5341 | /* Functions concerning relocs. */ | |
5342 | ||
5343 | /* The location from which a PC relative jump should be calculated, | |
5344 | given a PC relative reloc. */ | |
5345 | ||
5346 | long | |
98027b10 | 5347 | md_pcrel_from_section (fixS *fixp, segT sec ATTRIBUTE_UNUSED) |
252b5132 RH |
5348 | { |
5349 | return fixp->fx_frag->fr_address + fixp->fx_where; | |
5350 | } | |
5351 | ||
5352 | #ifdef OBJ_XCOFF | |
5353 | ||
5354 | /* This is called to see whether a fixup should be adjusted to use a | |
5355 | section symbol. We take the opportunity to change a fixup against | |
5356 | a symbol in the TOC subsegment into a reloc against the | |
5357 | corresponding .tc symbol. */ | |
5358 | ||
5359 | int | |
98027b10 | 5360 | ppc_fix_adjustable (fixS *fix) |
252b5132 | 5361 | { |
b782de16 AM |
5362 | valueT val = resolve_symbol_value (fix->fx_addsy); |
5363 | segT symseg = S_GET_SEGMENT (fix->fx_addsy); | |
5364 | TC_SYMFIELD_TYPE *tc; | |
5365 | ||
5366 | if (symseg == absolute_section) | |
5367 | return 0; | |
252b5132 | 5368 | |
252b5132 | 5369 | if (ppc_toc_csect != (symbolS *) NULL |
252b5132 | 5370 | && fix->fx_addsy != ppc_toc_csect |
b782de16 | 5371 | && symseg == data_section |
252b5132 RH |
5372 | && val >= ppc_toc_frag->fr_address |
5373 | && (ppc_after_toc_frag == (fragS *) NULL | |
5374 | || val < ppc_after_toc_frag->fr_address)) | |
5375 | { | |
5376 | symbolS *sy; | |
5377 | ||
5378 | for (sy = symbol_next (ppc_toc_csect); | |
5379 | sy != (symbolS *) NULL; | |
5380 | sy = symbol_next (sy)) | |
5381 | { | |
b782de16 AM |
5382 | TC_SYMFIELD_TYPE *sy_tc = symbol_get_tc (sy); |
5383 | ||
5384 | if (sy_tc->class == XMC_TC0) | |
252b5132 | 5385 | continue; |
b782de16 | 5386 | if (sy_tc->class != XMC_TC) |
252b5132 | 5387 | break; |
b782de16 | 5388 | if (val == resolve_symbol_value (sy)) |
252b5132 RH |
5389 | { |
5390 | fix->fx_addsy = sy; | |
5391 | fix->fx_addnumber = val - ppc_toc_frag->fr_address; | |
5392 | return 0; | |
5393 | } | |
5394 | } | |
5395 | ||
5396 | as_bad_where (fix->fx_file, fix->fx_line, | |
5397 | _("symbol in .toc does not match any .tc")); | |
5398 | } | |
5399 | ||
5400 | /* Possibly adjust the reloc to be against the csect. */ | |
b782de16 AM |
5401 | tc = symbol_get_tc (fix->fx_addsy); |
5402 | if (tc->subseg == 0 | |
5403 | && tc->class != XMC_TC0 | |
5404 | && tc->class != XMC_TC | |
5405 | && symseg != bss_section | |
252b5132 | 5406 | /* Don't adjust if this is a reloc in the toc section. */ |
b782de16 | 5407 | && (symseg != data_section |
252b5132 RH |
5408 | || ppc_toc_csect == NULL |
5409 | || val < ppc_toc_frag->fr_address | |
5410 | || (ppc_after_toc_frag != NULL | |
5411 | && val >= ppc_after_toc_frag->fr_address))) | |
5412 | { | |
5413 | symbolS *csect; | |
b782de16 | 5414 | symbolS *next_csect; |
252b5132 | 5415 | |
b782de16 | 5416 | if (symseg == text_section) |
252b5132 | 5417 | csect = ppc_text_csects; |
b782de16 | 5418 | else if (symseg == data_section) |
252b5132 RH |
5419 | csect = ppc_data_csects; |
5420 | else | |
5421 | abort (); | |
5422 | ||
5423 | /* Skip the initial dummy symbol. */ | |
809ffe0d | 5424 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
5425 | |
5426 | if (csect != (symbolS *) NULL) | |
5427 | { | |
b782de16 AM |
5428 | while ((next_csect = symbol_get_tc (csect)->next) != (symbolS *) NULL |
5429 | && (symbol_get_frag (next_csect)->fr_address <= val)) | |
252b5132 RH |
5430 | { |
5431 | /* If the csect address equals the symbol value, then we | |
99a814a1 AM |
5432 | have to look through the full symbol table to see |
5433 | whether this is the csect we want. Note that we will | |
5434 | only get here if the csect has zero length. */ | |
b782de16 AM |
5435 | if (symbol_get_frag (csect)->fr_address == val |
5436 | && S_GET_VALUE (csect) == val) | |
252b5132 RH |
5437 | { |
5438 | symbolS *scan; | |
5439 | ||
809ffe0d | 5440 | for (scan = symbol_next (csect); |
252b5132 | 5441 | scan != NULL; |
809ffe0d | 5442 | scan = symbol_next (scan)) |
252b5132 | 5443 | { |
809ffe0d | 5444 | if (symbol_get_tc (scan)->subseg != 0) |
252b5132 RH |
5445 | break; |
5446 | if (scan == fix->fx_addsy) | |
5447 | break; | |
5448 | } | |
5449 | ||
5450 | /* If we found the symbol before the next csect | |
99a814a1 | 5451 | symbol, then this is the csect we want. */ |
252b5132 RH |
5452 | if (scan == fix->fx_addsy) |
5453 | break; | |
5454 | } | |
5455 | ||
b782de16 | 5456 | csect = next_csect; |
252b5132 RH |
5457 | } |
5458 | ||
b782de16 | 5459 | fix->fx_offset += val - symbol_get_frag (csect)->fr_address; |
252b5132 RH |
5460 | fix->fx_addsy = csect; |
5461 | } | |
b782de16 | 5462 | return 0; |
252b5132 RH |
5463 | } |
5464 | ||
5465 | /* Adjust a reloc against a .lcomm symbol to be against the base | |
5466 | .lcomm. */ | |
b782de16 | 5467 | if (symseg == bss_section |
252b5132 RH |
5468 | && ! S_IS_EXTERNAL (fix->fx_addsy)) |
5469 | { | |
b782de16 AM |
5470 | symbolS *sy = symbol_get_frag (fix->fx_addsy)->fr_symbol; |
5471 | ||
5472 | fix->fx_offset += val - resolve_symbol_value (sy); | |
5473 | fix->fx_addsy = sy; | |
252b5132 RH |
5474 | } |
5475 | ||
5476 | return 0; | |
5477 | } | |
5478 | ||
5479 | /* A reloc from one csect to another must be kept. The assembler | |
5480 | will, of course, keep relocs between sections, and it will keep | |
5481 | absolute relocs, but we need to force it to keep PC relative relocs | |
5482 | between two csects in the same section. */ | |
5483 | ||
5484 | int | |
98027b10 | 5485 | ppc_force_relocation (fixS *fix) |
252b5132 RH |
5486 | { |
5487 | /* At this point fix->fx_addsy should already have been converted to | |
5488 | a csect symbol. If the csect does not include the fragment, then | |
5489 | we need to force the relocation. */ | |
5490 | if (fix->fx_pcrel | |
5491 | && fix->fx_addsy != NULL | |
809ffe0d ILT |
5492 | && symbol_get_tc (fix->fx_addsy)->subseg != 0 |
5493 | && ((symbol_get_frag (fix->fx_addsy)->fr_address | |
5494 | > fix->fx_frag->fr_address) | |
5495 | || (symbol_get_tc (fix->fx_addsy)->next != NULL | |
5496 | && (symbol_get_frag (symbol_get_tc (fix->fx_addsy)->next)->fr_address | |
252b5132 RH |
5497 | <= fix->fx_frag->fr_address)))) |
5498 | return 1; | |
5499 | ||
ae6063d4 | 5500 | return generic_force_reloc (fix); |
252b5132 RH |
5501 | } |
5502 | ||
5503 | #endif /* OBJ_XCOFF */ | |
5504 | ||
0baf16f2 | 5505 | #ifdef OBJ_ELF |
a161fe53 AM |
5506 | /* If this function returns non-zero, it guarantees that a relocation |
5507 | will be emitted for a fixup. */ | |
5508 | ||
5509 | int | |
98027b10 | 5510 | ppc_force_relocation (fixS *fix) |
a161fe53 AM |
5511 | { |
5512 | /* Branch prediction relocations must force a relocation, as must | |
5513 | the vtable description relocs. */ | |
5514 | switch (fix->fx_r_type) | |
5515 | { | |
5516 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
5517 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
5518 | case BFD_RELOC_PPC_BA16_BRTAKEN: | |
5519 | case BFD_RELOC_PPC_BA16_BRNTAKEN: | |
c744ecf2 | 5520 | case BFD_RELOC_24_PLT_PCREL: |
a161fe53 | 5521 | case BFD_RELOC_PPC64_TOC: |
a161fe53 AM |
5522 | return 1; |
5523 | default: | |
5524 | break; | |
5525 | } | |
5526 | ||
cdba85ec AM |
5527 | if (fix->fx_r_type >= BFD_RELOC_PPC_TLS |
5528 | && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA) | |
5529 | return 1; | |
5530 | ||
ae6063d4 | 5531 | return generic_force_reloc (fix); |
a161fe53 AM |
5532 | } |
5533 | ||
0baf16f2 | 5534 | int |
98027b10 | 5535 | ppc_fix_adjustable (fixS *fix) |
252b5132 | 5536 | { |
0baf16f2 AM |
5537 | return (fix->fx_r_type != BFD_RELOC_16_GOTOFF |
5538 | && fix->fx_r_type != BFD_RELOC_LO16_GOTOFF | |
5539 | && fix->fx_r_type != BFD_RELOC_HI16_GOTOFF | |
5540 | && fix->fx_r_type != BFD_RELOC_HI16_S_GOTOFF | |
5541 | && fix->fx_r_type != BFD_RELOC_GPREL16 | |
5542 | && fix->fx_r_type != BFD_RELOC_VTABLE_INHERIT | |
5543 | && fix->fx_r_type != BFD_RELOC_VTABLE_ENTRY | |
cdba85ec | 5544 | && !(fix->fx_r_type >= BFD_RELOC_PPC_TLS |
ab1e9ef7 | 5545 | && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA)); |
252b5132 | 5546 | } |
0baf16f2 | 5547 | #endif |
252b5132 | 5548 | |
3aeeedbb AM |
5549 | /* Implement HANDLE_ALIGN. This writes the NOP pattern into an |
5550 | rs_align_code frag. */ | |
5551 | ||
5552 | void | |
5553 | ppc_handle_align (struct frag *fragP) | |
5554 | { | |
5555 | valueT count = (fragP->fr_next->fr_address | |
5556 | - (fragP->fr_address + fragP->fr_fix)); | |
5557 | ||
5558 | if (count != 0 && (count & 3) == 0) | |
5559 | { | |
5560 | char *dest = fragP->fr_literal + fragP->fr_fix; | |
5561 | ||
5562 | fragP->fr_var = 4; | |
5563 | md_number_to_chars (dest, 0x60000000, 4); | |
5564 | ||
5565 | if ((ppc_cpu & PPC_OPCODE_POWER6) != 0) | |
5566 | { | |
5567 | /* For power6, we want the last nop to be a group terminating | |
5568 | one, "ori 1,1,0". Do this by inserting an rs_fill frag | |
5569 | immediately after this one, with its address set to the last | |
5570 | nop location. This will automatically reduce the number of | |
5571 | nops in the current frag by one. */ | |
5572 | if (count > 4) | |
5573 | { | |
5574 | struct frag *group_nop = xmalloc (SIZEOF_STRUCT_FRAG + 4); | |
5575 | ||
5576 | memcpy (group_nop, fragP, SIZEOF_STRUCT_FRAG); | |
5577 | group_nop->fr_address = group_nop->fr_next->fr_address - 4; | |
5578 | group_nop->fr_fix = 0; | |
5579 | group_nop->fr_offset = 1; | |
5580 | group_nop->fr_type = rs_fill; | |
5581 | fragP->fr_next = group_nop; | |
5582 | dest = group_nop->fr_literal; | |
5583 | } | |
5584 | ||
5585 | md_number_to_chars (dest, 0x60210000, 4); | |
5586 | } | |
5587 | } | |
5588 | } | |
5589 | ||
252b5132 RH |
5590 | /* Apply a fixup to the object code. This is called for all the |
5591 | fixups we generated by the call to fix_new_exp, above. In the call | |
5592 | above we used a reloc code which was the largest legal reloc code | |
5593 | plus the operand index. Here we undo that to recover the operand | |
5594 | index. At this point all symbol values should be fully resolved, | |
5595 | and we attempt to completely resolve the reloc. If we can not do | |
5596 | that, we determine the correct reloc code and put it back in the | |
5597 | fixup. */ | |
5598 | ||
94f592af | 5599 | void |
98027b10 | 5600 | md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) |
252b5132 | 5601 | { |
94f592af | 5602 | valueT value = * valP; |
252b5132 RH |
5603 | |
5604 | #ifdef OBJ_ELF | |
94f592af | 5605 | if (fixP->fx_addsy != NULL) |
252b5132 | 5606 | { |
a161fe53 | 5607 | /* Hack around bfd_install_relocation brain damage. */ |
94f592af NC |
5608 | if (fixP->fx_pcrel) |
5609 | value += fixP->fx_frag->fr_address + fixP->fx_where; | |
252b5132 RH |
5610 | } |
5611 | else | |
94f592af | 5612 | fixP->fx_done = 1; |
252b5132 | 5613 | #else |
a161fe53 | 5614 | /* FIXME FIXME FIXME: The value we are passed in *valP includes |
7be1c489 AM |
5615 | the symbol values. If we are doing this relocation the code in |
5616 | write.c is going to call bfd_install_relocation, which is also | |
5617 | going to use the symbol value. That means that if the reloc is | |
5618 | fully resolved we want to use *valP since bfd_install_relocation is | |
5619 | not being used. | |
252b5132 | 5620 | However, if the reloc is not fully resolved we do not want to use |
a161fe53 AM |
5621 | *valP, and must use fx_offset instead. However, if the reloc |
5622 | is PC relative, we do want to use *valP since it includes the | |
252b5132 | 5623 | result of md_pcrel_from. This is confusing. */ |
94f592af NC |
5624 | if (fixP->fx_addsy == (symbolS *) NULL) |
5625 | fixP->fx_done = 1; | |
5626 | ||
5627 | else if (fixP->fx_pcrel) | |
5628 | ; | |
5629 | ||
252b5132 | 5630 | else |
a161fe53 AM |
5631 | value = fixP->fx_offset; |
5632 | #endif | |
5633 | ||
5634 | if (fixP->fx_subsy != (symbolS *) NULL) | |
252b5132 | 5635 | { |
a161fe53 AM |
5636 | /* We can't actually support subtracting a symbol. */ |
5637 | as_bad_where (fixP->fx_file, fixP->fx_line, _("expression too complex")); | |
252b5132 | 5638 | } |
252b5132 | 5639 | |
94f592af | 5640 | if ((int) fixP->fx_r_type >= (int) BFD_RELOC_UNUSED) |
252b5132 RH |
5641 | { |
5642 | int opindex; | |
5643 | const struct powerpc_operand *operand; | |
5644 | char *where; | |
5645 | unsigned long insn; | |
5646 | ||
94f592af | 5647 | opindex = (int) fixP->fx_r_type - (int) BFD_RELOC_UNUSED; |
252b5132 RH |
5648 | |
5649 | operand = &powerpc_operands[opindex]; | |
5650 | ||
5651 | #ifdef OBJ_XCOFF | |
0baf16f2 AM |
5652 | /* An instruction like `lwz 9,sym(30)' when `sym' is not a TOC symbol |
5653 | does not generate a reloc. It uses the offset of `sym' within its | |
5654 | csect. Other usages, such as `.long sym', generate relocs. This | |
5655 | is the documented behaviour of non-TOC symbols. */ | |
252b5132 | 5656 | if ((operand->flags & PPC_OPERAND_PARENS) != 0 |
b84bf58a | 5657 | && (operand->bitm & 0xfff0) == 0xfff0 |
252b5132 | 5658 | && operand->shift == 0 |
2b3c4602 | 5659 | && (operand->insert == NULL || ppc_obj64) |
94f592af NC |
5660 | && fixP->fx_addsy != NULL |
5661 | && symbol_get_tc (fixP->fx_addsy)->subseg != 0 | |
5662 | && symbol_get_tc (fixP->fx_addsy)->class != XMC_TC | |
5663 | && symbol_get_tc (fixP->fx_addsy)->class != XMC_TC0 | |
5664 | && S_GET_SEGMENT (fixP->fx_addsy) != bss_section) | |
252b5132 | 5665 | { |
94f592af NC |
5666 | value = fixP->fx_offset; |
5667 | fixP->fx_done = 1; | |
252b5132 RH |
5668 | } |
5669 | #endif | |
5670 | ||
5671 | /* Fetch the instruction, insert the fully resolved operand | |
5672 | value, and stuff the instruction back again. */ | |
94f592af | 5673 | where = fixP->fx_frag->fr_literal + fixP->fx_where; |
252b5132 RH |
5674 | if (target_big_endian) |
5675 | insn = bfd_getb32 ((unsigned char *) where); | |
5676 | else | |
5677 | insn = bfd_getl32 ((unsigned char *) where); | |
5678 | insn = ppc_insert_operand (insn, operand, (offsetT) value, | |
783de163 | 5679 | fixP->tc_fix_data.ppc_cpu, |
94f592af | 5680 | fixP->fx_file, fixP->fx_line); |
252b5132 RH |
5681 | if (target_big_endian) |
5682 | bfd_putb32 ((bfd_vma) insn, (unsigned char *) where); | |
5683 | else | |
5684 | bfd_putl32 ((bfd_vma) insn, (unsigned char *) where); | |
5685 | ||
94f592af NC |
5686 | if (fixP->fx_done) |
5687 | /* Nothing else to do here. */ | |
5688 | return; | |
252b5132 | 5689 | |
94f592af | 5690 | assert (fixP->fx_addsy != NULL); |
0baf16f2 | 5691 | |
252b5132 RH |
5692 | /* Determine a BFD reloc value based on the operand information. |
5693 | We are only prepared to turn a few of the operands into | |
0baf16f2 | 5694 | relocs. */ |
11b37b7b | 5695 | if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 |
b84bf58a | 5696 | && operand->bitm == 0x3fffffc |
11b37b7b | 5697 | && operand->shift == 0) |
94f592af | 5698 | fixP->fx_r_type = BFD_RELOC_PPC_B26; |
11b37b7b | 5699 | else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 |
b84bf58a | 5700 | && operand->bitm == 0xfffc |
11b37b7b | 5701 | && operand->shift == 0) |
95210096 AM |
5702 | { |
5703 | fixP->fx_r_type = BFD_RELOC_PPC_B16; | |
5704 | #ifdef OBJ_XCOFF | |
5705 | fixP->fx_size = 2; | |
5706 | if (target_big_endian) | |
5707 | fixP->fx_where += 2; | |
5708 | #endif | |
5709 | } | |
11b37b7b | 5710 | else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0 |
b84bf58a | 5711 | && operand->bitm == 0x3fffffc |
11b37b7b | 5712 | && operand->shift == 0) |
94f592af | 5713 | fixP->fx_r_type = BFD_RELOC_PPC_BA26; |
11b37b7b | 5714 | else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0 |
b84bf58a | 5715 | && operand->bitm == 0xfffc |
11b37b7b | 5716 | && operand->shift == 0) |
95210096 AM |
5717 | { |
5718 | fixP->fx_r_type = BFD_RELOC_PPC_BA16; | |
5719 | #ifdef OBJ_XCOFF | |
5720 | fixP->fx_size = 2; | |
5721 | if (target_big_endian) | |
5722 | fixP->fx_where += 2; | |
5723 | #endif | |
5724 | } | |
0baf16f2 | 5725 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
11b37b7b | 5726 | else if ((operand->flags & PPC_OPERAND_PARENS) != 0 |
b84bf58a | 5727 | && (operand->bitm & 0xfff0) == 0xfff0 |
a7fc733f | 5728 | && operand->shift == 0) |
11b37b7b | 5729 | { |
a7fc733f AM |
5730 | if (ppc_is_toc_sym (fixP->fx_addsy)) |
5731 | { | |
5732 | fixP->fx_r_type = BFD_RELOC_PPC_TOC16; | |
0baf16f2 | 5733 | #ifdef OBJ_ELF |
a7fc733f AM |
5734 | if (ppc_obj64 |
5735 | && (operand->flags & PPC_OPERAND_DS) != 0) | |
5736 | fixP->fx_r_type = BFD_RELOC_PPC64_TOC16_DS; | |
5737 | #endif | |
5738 | } | |
5739 | else | |
5740 | { | |
5741 | fixP->fx_r_type = BFD_RELOC_16; | |
5742 | #ifdef OBJ_ELF | |
5743 | if (ppc_obj64 | |
5744 | && (operand->flags & PPC_OPERAND_DS) != 0) | |
5745 | fixP->fx_r_type = BFD_RELOC_PPC64_ADDR16_DS; | |
0baf16f2 | 5746 | #endif |
a7fc733f | 5747 | } |
94f592af | 5748 | fixP->fx_size = 2; |
11b37b7b | 5749 | if (target_big_endian) |
94f592af | 5750 | fixP->fx_where += 2; |
11b37b7b | 5751 | } |
0baf16f2 | 5752 | #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */ |
11b37b7b | 5753 | else |
252b5132 RH |
5754 | { |
5755 | char *sfile; | |
5756 | unsigned int sline; | |
5757 | ||
5758 | /* Use expr_symbol_where to see if this is an expression | |
0baf16f2 | 5759 | symbol. */ |
94f592af NC |
5760 | if (expr_symbol_where (fixP->fx_addsy, &sfile, &sline)) |
5761 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
252b5132 RH |
5762 | _("unresolved expression that must be resolved")); |
5763 | else | |
94f592af | 5764 | as_bad_where (fixP->fx_file, fixP->fx_line, |
0baf16f2 | 5765 | _("unsupported relocation against %s"), |
94f592af NC |
5766 | S_GET_NAME (fixP->fx_addsy)); |
5767 | fixP->fx_done = 1; | |
5768 | return; | |
252b5132 RH |
5769 | } |
5770 | } | |
5771 | else | |
5772 | { | |
5773 | #ifdef OBJ_ELF | |
94f592af | 5774 | ppc_elf_validate_fix (fixP, seg); |
252b5132 | 5775 | #endif |
94f592af | 5776 | switch (fixP->fx_r_type) |
252b5132 | 5777 | { |
252b5132 | 5778 | case BFD_RELOC_CTOR: |
2b3c4602 | 5779 | if (ppc_obj64) |
9c7977b3 AM |
5780 | goto ctor64; |
5781 | /* fall through */ | |
5782 | ||
0baf16f2 | 5783 | case BFD_RELOC_32: |
94f592af NC |
5784 | if (fixP->fx_pcrel) |
5785 | fixP->fx_r_type = BFD_RELOC_32_PCREL; | |
99a814a1 | 5786 | /* fall through */ |
252b5132 RH |
5787 | |
5788 | case BFD_RELOC_RVA: | |
5789 | case BFD_RELOC_32_PCREL: | |
252b5132 | 5790 | case BFD_RELOC_PPC_EMB_NADDR32: |
94f592af | 5791 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
252b5132 RH |
5792 | value, 4); |
5793 | break; | |
5794 | ||
7f6d05e8 | 5795 | case BFD_RELOC_64: |
9c7977b3 | 5796 | ctor64: |
94f592af NC |
5797 | if (fixP->fx_pcrel) |
5798 | fixP->fx_r_type = BFD_RELOC_64_PCREL; | |
99a814a1 | 5799 | /* fall through */ |
0baf16f2 | 5800 | |
7f6d05e8 | 5801 | case BFD_RELOC_64_PCREL: |
94f592af | 5802 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
7f6d05e8 | 5803 | value, 8); |
81d4177b | 5804 | break; |
0baf16f2 | 5805 | |
252b5132 RH |
5806 | case BFD_RELOC_GPREL16: |
5807 | case BFD_RELOC_16_GOT_PCREL: | |
5808 | case BFD_RELOC_16_GOTOFF: | |
5809 | case BFD_RELOC_LO16_GOTOFF: | |
5810 | case BFD_RELOC_HI16_GOTOFF: | |
5811 | case BFD_RELOC_HI16_S_GOTOFF: | |
1cfc59d5 | 5812 | case BFD_RELOC_16_BASEREL: |
252b5132 RH |
5813 | case BFD_RELOC_LO16_BASEREL: |
5814 | case BFD_RELOC_HI16_BASEREL: | |
5815 | case BFD_RELOC_HI16_S_BASEREL: | |
5816 | case BFD_RELOC_PPC_EMB_NADDR16: | |
5817 | case BFD_RELOC_PPC_EMB_NADDR16_LO: | |
5818 | case BFD_RELOC_PPC_EMB_NADDR16_HI: | |
5819 | case BFD_RELOC_PPC_EMB_NADDR16_HA: | |
5820 | case BFD_RELOC_PPC_EMB_SDAI16: | |
5821 | case BFD_RELOC_PPC_EMB_SDA2REL: | |
5822 | case BFD_RELOC_PPC_EMB_SDA2I16: | |
5823 | case BFD_RELOC_PPC_EMB_RELSEC16: | |
5824 | case BFD_RELOC_PPC_EMB_RELST_LO: | |
5825 | case BFD_RELOC_PPC_EMB_RELST_HI: | |
5826 | case BFD_RELOC_PPC_EMB_RELST_HA: | |
5827 | case BFD_RELOC_PPC_EMB_RELSDA: | |
5828 | case BFD_RELOC_PPC_TOC16: | |
0baf16f2 | 5829 | #ifdef OBJ_ELF |
0baf16f2 AM |
5830 | case BFD_RELOC_PPC64_TOC16_LO: |
5831 | case BFD_RELOC_PPC64_TOC16_HI: | |
5832 | case BFD_RELOC_PPC64_TOC16_HA: | |
0baf16f2 | 5833 | #endif |
94f592af | 5834 | if (fixP->fx_pcrel) |
252b5132 | 5835 | { |
94f592af NC |
5836 | if (fixP->fx_addsy != NULL) |
5837 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
252b5132 | 5838 | _("cannot emit PC relative %s relocation against %s"), |
94f592af NC |
5839 | bfd_get_reloc_code_name (fixP->fx_r_type), |
5840 | S_GET_NAME (fixP->fx_addsy)); | |
252b5132 | 5841 | else |
94f592af | 5842 | as_bad_where (fixP->fx_file, fixP->fx_line, |
252b5132 | 5843 | _("cannot emit PC relative %s relocation"), |
94f592af | 5844 | bfd_get_reloc_code_name (fixP->fx_r_type)); |
252b5132 RH |
5845 | } |
5846 | ||
94f592af | 5847 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
252b5132 RH |
5848 | value, 2); |
5849 | break; | |
5850 | ||
3c9d25f4 AM |
5851 | case BFD_RELOC_16: |
5852 | if (fixP->fx_pcrel) | |
5853 | fixP->fx_r_type = BFD_RELOC_16_PCREL; | |
5854 | /* fall through */ | |
5855 | ||
5856 | case BFD_RELOC_16_PCREL: | |
5857 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, | |
5858 | value, 2); | |
5859 | break; | |
5860 | ||
5861 | case BFD_RELOC_LO16: | |
5862 | if (fixP->fx_pcrel) | |
5863 | fixP->fx_r_type = BFD_RELOC_LO16_PCREL; | |
5864 | /* fall through */ | |
5865 | ||
5866 | case BFD_RELOC_LO16_PCREL: | |
5867 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, | |
5868 | value, 2); | |
5869 | break; | |
5870 | ||
252b5132 RH |
5871 | /* This case happens when you write, for example, |
5872 | lis %r3,(L1-L2)@ha | |
5873 | where L1 and L2 are defined later. */ | |
5874 | case BFD_RELOC_HI16: | |
94f592af | 5875 | if (fixP->fx_pcrel) |
3c9d25f4 AM |
5876 | fixP->fx_r_type = BFD_RELOC_HI16_PCREL; |
5877 | /* fall through */ | |
5878 | ||
5879 | case BFD_RELOC_HI16_PCREL: | |
94f592af | 5880 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 | 5881 | PPC_HI (value), 2); |
252b5132 | 5882 | break; |
0baf16f2 | 5883 | |
252b5132 | 5884 | case BFD_RELOC_HI16_S: |
94f592af | 5885 | if (fixP->fx_pcrel) |
3c9d25f4 AM |
5886 | fixP->fx_r_type = BFD_RELOC_HI16_S_PCREL; |
5887 | /* fall through */ | |
5888 | ||
5889 | case BFD_RELOC_HI16_S_PCREL: | |
94f592af | 5890 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
5891 | PPC_HA (value), 2); |
5892 | break; | |
5893 | ||
5894 | #ifdef OBJ_ELF | |
0baf16f2 | 5895 | case BFD_RELOC_PPC64_HIGHER: |
94f592af | 5896 | if (fixP->fx_pcrel) |
0baf16f2 | 5897 | abort (); |
94f592af | 5898 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 | 5899 | PPC_HIGHER (value), 2); |
252b5132 RH |
5900 | break; |
5901 | ||
0baf16f2 | 5902 | case BFD_RELOC_PPC64_HIGHER_S: |
94f592af | 5903 | if (fixP->fx_pcrel) |
0baf16f2 | 5904 | abort (); |
94f592af | 5905 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
5906 | PPC_HIGHERA (value), 2); |
5907 | break; | |
5908 | ||
5909 | case BFD_RELOC_PPC64_HIGHEST: | |
94f592af | 5910 | if (fixP->fx_pcrel) |
0baf16f2 | 5911 | abort (); |
94f592af | 5912 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
5913 | PPC_HIGHEST (value), 2); |
5914 | break; | |
5915 | ||
5916 | case BFD_RELOC_PPC64_HIGHEST_S: | |
94f592af | 5917 | if (fixP->fx_pcrel) |
0baf16f2 | 5918 | abort (); |
94f592af | 5919 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
5920 | PPC_HIGHESTA (value), 2); |
5921 | break; | |
5922 | ||
5923 | case BFD_RELOC_PPC64_ADDR16_DS: | |
5924 | case BFD_RELOC_PPC64_ADDR16_LO_DS: | |
5925 | case BFD_RELOC_PPC64_GOT16_DS: | |
5926 | case BFD_RELOC_PPC64_GOT16_LO_DS: | |
5927 | case BFD_RELOC_PPC64_PLT16_LO_DS: | |
5928 | case BFD_RELOC_PPC64_SECTOFF_DS: | |
5929 | case BFD_RELOC_PPC64_SECTOFF_LO_DS: | |
5930 | case BFD_RELOC_PPC64_TOC16_DS: | |
5931 | case BFD_RELOC_PPC64_TOC16_LO_DS: | |
5932 | case BFD_RELOC_PPC64_PLTGOT16_DS: | |
5933 | case BFD_RELOC_PPC64_PLTGOT16_LO_DS: | |
94f592af | 5934 | if (fixP->fx_pcrel) |
0baf16f2 AM |
5935 | abort (); |
5936 | { | |
2132e3a3 | 5937 | char *where = fixP->fx_frag->fr_literal + fixP->fx_where; |
3d8aea2f | 5938 | unsigned long val, mask; |
0baf16f2 AM |
5939 | |
5940 | if (target_big_endian) | |
adadcc0c | 5941 | val = bfd_getb32 (where - 2); |
0baf16f2 | 5942 | else |
adadcc0c AM |
5943 | val = bfd_getl32 (where); |
5944 | mask = 0xfffc; | |
5945 | /* lq insns reserve the four lsbs. */ | |
5946 | if ((ppc_cpu & PPC_OPCODE_POWER4) != 0 | |
77a6138a | 5947 | && (val & (0x3f << 26)) == (56u << 26)) |
adadcc0c AM |
5948 | mask = 0xfff0; |
5949 | val |= value & mask; | |
0baf16f2 AM |
5950 | if (target_big_endian) |
5951 | bfd_putb16 ((bfd_vma) val, where); | |
5952 | else | |
5953 | bfd_putl16 ((bfd_vma) val, where); | |
5954 | } | |
5955 | break; | |
cdba85ec | 5956 | |
ba0b2174 AM |
5957 | case BFD_RELOC_PPC_B16_BRTAKEN: |
5958 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
5959 | case BFD_RELOC_PPC_BA16_BRTAKEN: | |
5960 | case BFD_RELOC_PPC_BA16_BRNTAKEN: | |
5961 | break; | |
5962 | ||
cdba85ec | 5963 | case BFD_RELOC_PPC_TLS: |
7c1d0959 L |
5964 | break; |
5965 | ||
cdba85ec AM |
5966 | case BFD_RELOC_PPC_DTPMOD: |
5967 | case BFD_RELOC_PPC_TPREL16: | |
5968 | case BFD_RELOC_PPC_TPREL16_LO: | |
5969 | case BFD_RELOC_PPC_TPREL16_HI: | |
5970 | case BFD_RELOC_PPC_TPREL16_HA: | |
5971 | case BFD_RELOC_PPC_TPREL: | |
5972 | case BFD_RELOC_PPC_DTPREL16: | |
5973 | case BFD_RELOC_PPC_DTPREL16_LO: | |
5974 | case BFD_RELOC_PPC_DTPREL16_HI: | |
5975 | case BFD_RELOC_PPC_DTPREL16_HA: | |
5976 | case BFD_RELOC_PPC_DTPREL: | |
5977 | case BFD_RELOC_PPC_GOT_TLSGD16: | |
5978 | case BFD_RELOC_PPC_GOT_TLSGD16_LO: | |
5979 | case BFD_RELOC_PPC_GOT_TLSGD16_HI: | |
5980 | case BFD_RELOC_PPC_GOT_TLSGD16_HA: | |
5981 | case BFD_RELOC_PPC_GOT_TLSLD16: | |
5982 | case BFD_RELOC_PPC_GOT_TLSLD16_LO: | |
5983 | case BFD_RELOC_PPC_GOT_TLSLD16_HI: | |
5984 | case BFD_RELOC_PPC_GOT_TLSLD16_HA: | |
5985 | case BFD_RELOC_PPC_GOT_TPREL16: | |
5986 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
5987 | case BFD_RELOC_PPC_GOT_TPREL16_HI: | |
5988 | case BFD_RELOC_PPC_GOT_TPREL16_HA: | |
5989 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
5990 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
5991 | case BFD_RELOC_PPC_GOT_DTPREL16_HI: | |
5992 | case BFD_RELOC_PPC_GOT_DTPREL16_HA: | |
5993 | case BFD_RELOC_PPC64_TPREL16_DS: | |
5994 | case BFD_RELOC_PPC64_TPREL16_LO_DS: | |
5995 | case BFD_RELOC_PPC64_TPREL16_HIGHER: | |
5996 | case BFD_RELOC_PPC64_TPREL16_HIGHERA: | |
5997 | case BFD_RELOC_PPC64_TPREL16_HIGHEST: | |
5998 | case BFD_RELOC_PPC64_TPREL16_HIGHESTA: | |
5999 | case BFD_RELOC_PPC64_DTPREL16_DS: | |
6000 | case BFD_RELOC_PPC64_DTPREL16_LO_DS: | |
6001 | case BFD_RELOC_PPC64_DTPREL16_HIGHER: | |
6002 | case BFD_RELOC_PPC64_DTPREL16_HIGHERA: | |
6003 | case BFD_RELOC_PPC64_DTPREL16_HIGHEST: | |
6004 | case BFD_RELOC_PPC64_DTPREL16_HIGHESTA: | |
7c1d0959 | 6005 | S_SET_THREAD_LOCAL (fixP->fx_addsy); |
cdba85ec | 6006 | break; |
0baf16f2 | 6007 | #endif |
252b5132 | 6008 | /* Because SDA21 modifies the register field, the size is set to 4 |
99a814a1 | 6009 | bytes, rather than 2, so offset it here appropriately. */ |
252b5132 | 6010 | case BFD_RELOC_PPC_EMB_SDA21: |
94f592af | 6011 | if (fixP->fx_pcrel) |
252b5132 RH |
6012 | abort (); |
6013 | ||
94f592af | 6014 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where |
252b5132 RH |
6015 | + ((target_big_endian) ? 2 : 0), |
6016 | value, 2); | |
6017 | break; | |
6018 | ||
6019 | case BFD_RELOC_8: | |
94f592af | 6020 | if (fixP->fx_pcrel) |
31a91399 NC |
6021 | { |
6022 | /* This can occur if there is a bug in the input assembler, eg: | |
b7d7dc63 | 6023 | ".byte <undefined_symbol> - ." */ |
31a91399 NC |
6024 | if (fixP->fx_addsy) |
6025 | as_bad (_("Unable to handle reference to symbol %s"), | |
6026 | S_GET_NAME (fixP->fx_addsy)); | |
6027 | else | |
6028 | as_bad (_("Unable to resolve expression")); | |
6029 | fixP->fx_done = 1; | |
6030 | } | |
6031 | else | |
6032 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, | |
6033 | value, 1); | |
252b5132 RH |
6034 | break; |
6035 | ||
6036 | case BFD_RELOC_24_PLT_PCREL: | |
6037 | case BFD_RELOC_PPC_LOCAL24PC: | |
94f592af | 6038 | if (!fixP->fx_pcrel && !fixP->fx_done) |
252b5132 RH |
6039 | abort (); |
6040 | ||
94f592af | 6041 | if (fixP->fx_done) |
99a814a1 AM |
6042 | { |
6043 | char *where; | |
6044 | unsigned long insn; | |
6045 | ||
6046 | /* Fetch the instruction, insert the fully resolved operand | |
6047 | value, and stuff the instruction back again. */ | |
94f592af | 6048 | where = fixP->fx_frag->fr_literal + fixP->fx_where; |
99a814a1 AM |
6049 | if (target_big_endian) |
6050 | insn = bfd_getb32 ((unsigned char *) where); | |
6051 | else | |
6052 | insn = bfd_getl32 ((unsigned char *) where); | |
6053 | if ((value & 3) != 0) | |
94f592af | 6054 | as_bad_where (fixP->fx_file, fixP->fx_line, |
99a814a1 AM |
6055 | _("must branch to an address a multiple of 4")); |
6056 | if ((offsetT) value < -0x40000000 | |
6057 | || (offsetT) value >= 0x40000000) | |
94f592af | 6058 | as_bad_where (fixP->fx_file, fixP->fx_line, |
99a814a1 AM |
6059 | _("@local or @plt branch destination is too far away, %ld bytes"), |
6060 | (long) value); | |
6061 | insn = insn | (value & 0x03fffffc); | |
6062 | if (target_big_endian) | |
6063 | bfd_putb32 ((bfd_vma) insn, (unsigned char *) where); | |
6064 | else | |
6065 | bfd_putl32 ((bfd_vma) insn, (unsigned char *) where); | |
6066 | } | |
252b5132 RH |
6067 | break; |
6068 | ||
6069 | case BFD_RELOC_VTABLE_INHERIT: | |
94f592af NC |
6070 | fixP->fx_done = 0; |
6071 | if (fixP->fx_addsy | |
6072 | && !S_IS_DEFINED (fixP->fx_addsy) | |
6073 | && !S_IS_WEAK (fixP->fx_addsy)) | |
6074 | S_SET_WEAK (fixP->fx_addsy); | |
252b5132 RH |
6075 | break; |
6076 | ||
6077 | case BFD_RELOC_VTABLE_ENTRY: | |
94f592af | 6078 | fixP->fx_done = 0; |
252b5132 RH |
6079 | break; |
6080 | ||
0baf16f2 | 6081 | #ifdef OBJ_ELF |
0baf16f2 AM |
6082 | /* Generated by reference to `sym@tocbase'. The sym is |
6083 | ignored by the linker. */ | |
6084 | case BFD_RELOC_PPC64_TOC: | |
94f592af | 6085 | fixP->fx_done = 0; |
0baf16f2 | 6086 | break; |
0baf16f2 | 6087 | #endif |
252b5132 | 6088 | default: |
bc805888 | 6089 | fprintf (stderr, |
94f592af | 6090 | _("Gas failure, reloc value %d\n"), fixP->fx_r_type); |
99a814a1 | 6091 | fflush (stderr); |
252b5132 RH |
6092 | abort (); |
6093 | } | |
6094 | } | |
6095 | ||
6096 | #ifdef OBJ_ELF | |
94f592af | 6097 | fixP->fx_addnumber = value; |
4e6935a6 AM |
6098 | |
6099 | /* PowerPC uses RELA relocs, ie. the reloc addend is stored separately | |
6100 | from the section contents. If we are going to be emitting a reloc | |
6101 | then the section contents are immaterial, so don't warn if they | |
6102 | happen to overflow. Leave such warnings to ld. */ | |
6103 | if (!fixP->fx_done) | |
6104 | fixP->fx_no_overflow = 1; | |
252b5132 | 6105 | #else |
94f592af NC |
6106 | if (fixP->fx_r_type != BFD_RELOC_PPC_TOC16) |
6107 | fixP->fx_addnumber = 0; | |
252b5132 RH |
6108 | else |
6109 | { | |
6110 | #ifdef TE_PE | |
94f592af | 6111 | fixP->fx_addnumber = 0; |
252b5132 | 6112 | #else |
8edcbfcd TG |
6113 | /* We want to use the offset within the toc, not the actual VMA |
6114 | of the symbol. */ | |
94f592af | 6115 | fixP->fx_addnumber = |
8edcbfcd TG |
6116 | - bfd_get_section_vma (stdoutput, S_GET_SEGMENT (fixP->fx_addsy)) |
6117 | - S_GET_VALUE (ppc_toc_csect); | |
252b5132 RH |
6118 | #endif |
6119 | } | |
6120 | #endif | |
252b5132 RH |
6121 | } |
6122 | ||
6123 | /* Generate a reloc for a fixup. */ | |
6124 | ||
6125 | arelent * | |
98027b10 | 6126 | tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED, fixS *fixp) |
252b5132 RH |
6127 | { |
6128 | arelent *reloc; | |
6129 | ||
6130 | reloc = (arelent *) xmalloc (sizeof (arelent)); | |
6131 | ||
49309057 ILT |
6132 | reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); |
6133 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
252b5132 RH |
6134 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; |
6135 | reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type); | |
6136 | if (reloc->howto == (reloc_howto_type *) NULL) | |
6137 | { | |
6138 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
99a814a1 AM |
6139 | _("reloc %d not supported by object file format"), |
6140 | (int) fixp->fx_r_type); | |
252b5132 RH |
6141 | return NULL; |
6142 | } | |
6143 | reloc->addend = fixp->fx_addnumber; | |
6144 | ||
6145 | return reloc; | |
6146 | } | |
75e21f08 JJ |
6147 | |
6148 | void | |
98027b10 | 6149 | ppc_cfi_frame_initial_instructions (void) |
75e21f08 JJ |
6150 | { |
6151 | cfi_add_CFA_def_cfa (1, 0); | |
6152 | } | |
6153 | ||
6154 | int | |
1df69f4f | 6155 | tc_ppc_regname_to_dw2regnum (char *regname) |
75e21f08 JJ |
6156 | { |
6157 | unsigned int regnum = -1; | |
6158 | unsigned int i; | |
6159 | const char *p; | |
6160 | char *q; | |
6161 | static struct { char *name; int dw2regnum; } regnames[] = | |
6162 | { | |
6163 | { "sp", 1 }, { "r.sp", 1 }, { "rtoc", 2 }, { "r.toc", 2 }, | |
6164 | { "mq", 64 }, { "lr", 65 }, { "ctr", 66 }, { "ap", 67 }, | |
80f846b6 | 6165 | { "cr", 70 }, { "xer", 76 }, { "vrsave", 109 }, { "vscr", 110 }, |
75e21f08 JJ |
6166 | { "spe_acc", 111 }, { "spefscr", 112 } |
6167 | }; | |
6168 | ||
6169 | for (i = 0; i < ARRAY_SIZE (regnames); ++i) | |
6170 | if (strcmp (regnames[i].name, regname) == 0) | |
6171 | return regnames[i].dw2regnum; | |
6172 | ||
6173 | if (regname[0] == 'r' || regname[0] == 'f' || regname[0] == 'v') | |
6174 | { | |
6175 | p = regname + 1 + (regname[1] == '.'); | |
6176 | regnum = strtoul (p, &q, 10); | |
6177 | if (p == q || *q || regnum >= 32) | |
6178 | return -1; | |
6179 | if (regname[0] == 'f') | |
b7d7dc63 | 6180 | regnum += 32; |
75e21f08 | 6181 | else if (regname[0] == 'v') |
b7d7dc63 | 6182 | regnum += 77; |
75e21f08 JJ |
6183 | } |
6184 | else if (regname[0] == 'c' && regname[1] == 'r') | |
6185 | { | |
6186 | p = regname + 2 + (regname[2] == '.'); | |
6187 | if (p[0] < '0' || p[0] > '7' || p[1]) | |
b7d7dc63 | 6188 | return -1; |
75e21f08 JJ |
6189 | regnum = p[0] - '0' + 68; |
6190 | } | |
6191 | return regnum; | |
6192 | } |