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 | } | |
922 | /* -mbooke64 means enable 64-bit BookE support. */ | |
923 | else if (strcmp (arg, "booke64") == 0) | |
924 | { | |
925 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | |
926 | | PPC_OPCODE_BOOKE64 | PPC_OPCODE_64); | |
927 | } | |
928 | else if (strcmp (arg, "power4") == 0) | |
929 | { | |
930 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
931 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4); | |
932 | } | |
b0648eec AM |
933 | else if (strcmp (arg, "power5") == 0) |
934 | { | |
935 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
936 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | |
937 | | PPC_OPCODE_POWER5); | |
938 | } | |
9622b051 AM |
939 | else if (strcmp (arg, "power6") == 0) |
940 | { | |
941 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
942 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | |
38233209 PB |
943 | | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 |
944 | | PPC_OPCODE_ALTIVEC); | |
9622b051 | 945 | } |
9b4e5766 PB |
946 | else if (strcmp (arg, "power7") == 0) |
947 | { | |
948 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
949 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | |
950 | | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | |
951 | | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX); | |
952 | } | |
ede602d7 AM |
953 | else if (strcmp (arg, "cell") == 0) |
954 | { | |
955 | ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | |
956 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | |
38233209 | 957 | | PPC_OPCODE_CELL | PPC_OPCODE_ALTIVEC); |
ede602d7 | 958 | } |
69c040df AM |
959 | /* -mcom means assemble for the common intersection between Power |
960 | and PowerPC. At present, we just allow the union, rather | |
961 | than the intersection. */ | |
962 | else if (strcmp (arg, "com") == 0) | |
963 | ppc_cpu = PPC_OPCODE_COMMON | PPC_OPCODE_32; | |
964 | /* -many means to assemble for any architecture (PWR/PWRX/PPC). */ | |
965 | else if (strcmp (arg, "any") == 0) | |
966 | ppc_cpu |= PPC_OPCODE_ANY; | |
967 | else | |
968 | return 0; | |
969 | ||
9b4e5766 PB |
970 | /* Make sure the the Altivec, VSX and SPE bits are not lost. */ |
971 | ppc_cpu |= retain_flags; | |
69c040df AM |
972 | return 1; |
973 | } | |
974 | ||
252b5132 | 975 | int |
98027b10 | 976 | md_parse_option (int c, char *arg) |
252b5132 RH |
977 | { |
978 | switch (c) | |
979 | { | |
980 | case 'u': | |
981 | /* -u means that any undefined symbols should be treated as | |
982 | external, which is the default for gas anyhow. */ | |
983 | break; | |
984 | ||
985 | #ifdef OBJ_ELF | |
986 | case 'l': | |
987 | /* Solaris as takes -le (presumably for little endian). For completeness | |
99a814a1 | 988 | sake, recognize -be also. */ |
252b5132 RH |
989 | if (strcmp (arg, "e") == 0) |
990 | { | |
991 | target_big_endian = 0; | |
992 | set_target_endian = 1; | |
993 | } | |
994 | else | |
995 | return 0; | |
996 | ||
997 | break; | |
998 | ||
999 | case 'b': | |
1000 | if (strcmp (arg, "e") == 0) | |
1001 | { | |
1002 | target_big_endian = 1; | |
1003 | set_target_endian = 1; | |
1004 | } | |
1005 | else | |
1006 | return 0; | |
1007 | ||
1008 | break; | |
1009 | ||
1010 | case 'K': | |
99a814a1 | 1011 | /* Recognize -K PIC. */ |
252b5132 RH |
1012 | if (strcmp (arg, "PIC") == 0 || strcmp (arg, "pic") == 0) |
1013 | { | |
1014 | shlib = SHLIB_PIC; | |
1015 | ppc_flags |= EF_PPC_RELOCATABLE_LIB; | |
1016 | } | |
1017 | else | |
1018 | return 0; | |
1019 | ||
1020 | break; | |
1021 | #endif | |
1022 | ||
7f6d05e8 CP |
1023 | /* a64 and a32 determine whether to use XCOFF64 or XCOFF32. */ |
1024 | case 'a': | |
1025 | if (strcmp (arg, "64") == 0) | |
2a98c3a6 AM |
1026 | { |
1027 | #ifdef BFD64 | |
1028 | ppc_obj64 = 1; | |
1029 | #else | |
1030 | as_fatal (_("%s unsupported"), "-a64"); | |
1031 | #endif | |
1032 | } | |
7f6d05e8 | 1033 | else if (strcmp (arg, "32") == 0) |
2b3c4602 | 1034 | ppc_obj64 = 0; |
7f6d05e8 CP |
1035 | else |
1036 | return 0; | |
1037 | break; | |
81d4177b | 1038 | |
252b5132 | 1039 | case 'm': |
69c040df AM |
1040 | if (parse_cpu (arg)) |
1041 | ; | |
252b5132 RH |
1042 | |
1043 | else if (strcmp (arg, "regnames") == 0) | |
b34976b6 | 1044 | reg_names_p = TRUE; |
252b5132 RH |
1045 | |
1046 | else if (strcmp (arg, "no-regnames") == 0) | |
b34976b6 | 1047 | reg_names_p = FALSE; |
252b5132 RH |
1048 | |
1049 | #ifdef OBJ_ELF | |
99a814a1 AM |
1050 | /* -mrelocatable/-mrelocatable-lib -- warn about initializations |
1051 | that require relocation. */ | |
252b5132 RH |
1052 | else if (strcmp (arg, "relocatable") == 0) |
1053 | { | |
5d6f4f16 | 1054 | shlib = SHLIB_MRELOCATABLE; |
252b5132 RH |
1055 | ppc_flags |= EF_PPC_RELOCATABLE; |
1056 | } | |
1057 | ||
1058 | else if (strcmp (arg, "relocatable-lib") == 0) | |
1059 | { | |
5d6f4f16 | 1060 | shlib = SHLIB_MRELOCATABLE; |
252b5132 RH |
1061 | ppc_flags |= EF_PPC_RELOCATABLE_LIB; |
1062 | } | |
1063 | ||
99a814a1 | 1064 | /* -memb, set embedded bit. */ |
252b5132 RH |
1065 | else if (strcmp (arg, "emb") == 0) |
1066 | ppc_flags |= EF_PPC_EMB; | |
1067 | ||
99a814a1 AM |
1068 | /* -mlittle/-mbig set the endianess. */ |
1069 | else if (strcmp (arg, "little") == 0 | |
1070 | || strcmp (arg, "little-endian") == 0) | |
252b5132 RH |
1071 | { |
1072 | target_big_endian = 0; | |
1073 | set_target_endian = 1; | |
1074 | } | |
1075 | ||
1076 | else if (strcmp (arg, "big") == 0 || strcmp (arg, "big-endian") == 0) | |
1077 | { | |
1078 | target_big_endian = 1; | |
1079 | set_target_endian = 1; | |
1080 | } | |
1081 | ||
1082 | else if (strcmp (arg, "solaris") == 0) | |
1083 | { | |
b34976b6 | 1084 | msolaris = TRUE; |
252b5132 RH |
1085 | ppc_comment_chars = ppc_solaris_comment_chars; |
1086 | } | |
1087 | ||
1088 | else if (strcmp (arg, "no-solaris") == 0) | |
1089 | { | |
b34976b6 | 1090 | msolaris = FALSE; |
252b5132 RH |
1091 | ppc_comment_chars = ppc_eabi_comment_chars; |
1092 | } | |
1093 | #endif | |
1094 | else | |
1095 | { | |
1096 | as_bad (_("invalid switch -m%s"), arg); | |
1097 | return 0; | |
1098 | } | |
1099 | break; | |
1100 | ||
1101 | #ifdef OBJ_ELF | |
1102 | /* -V: SVR4 argument to print version ID. */ | |
1103 | case 'V': | |
1104 | print_version_id (); | |
1105 | break; | |
1106 | ||
1107 | /* -Qy, -Qn: SVR4 arguments controlling whether a .comment section | |
1108 | should be emitted or not. FIXME: Not implemented. */ | |
1109 | case 'Q': | |
1110 | break; | |
1111 | ||
1112 | /* Solaris takes -s to specify that .stabs go in a .stabs section, | |
1113 | rather than .stabs.excl, which is ignored by the linker. | |
1114 | FIXME: Not implemented. */ | |
1115 | case 's': | |
1116 | if (arg) | |
1117 | return 0; | |
1118 | ||
1119 | break; | |
1120 | #endif | |
1121 | ||
1122 | default: | |
1123 | return 0; | |
1124 | } | |
1125 | ||
1126 | return 1; | |
1127 | } | |
1128 | ||
1129 | void | |
98027b10 | 1130 | md_show_usage (FILE *stream) |
252b5132 | 1131 | { |
bc805888 | 1132 | fprintf (stream, _("\ |
252b5132 | 1133 | PowerPC options:\n\ |
df12615d AM |
1134 | -a32 generate ELF32/XCOFF32\n\ |
1135 | -a64 generate ELF64/XCOFF64\n\ | |
252b5132 | 1136 | -u ignored\n\ |
23e1d84c AM |
1137 | -mpwrx, -mpwr2 generate code for POWER/2 (RIOS2)\n\ |
1138 | -mpwr generate code for POWER (RIOS1)\n\ | |
1139 | -m601 generate code for PowerPC 601\n\ | |
418c1742 | 1140 | -mppc, -mppc32, -m603, -m604\n\ |
23e1d84c | 1141 | generate code for PowerPC 603/604\n\ |
081ba1b3 AM |
1142 | -m403 generate code for PowerPC 403\n\ |
1143 | -m405 generate code for PowerPC 405\n\ | |
3d8aea2f | 1144 | -m440 generate code for PowerPC 440\n\ |
c8187e15 | 1145 | -m464 generate code for PowerPC 464\n\ |
f5c120c5 | 1146 | -m7400, -m7410, -m7450, -m7455\n\ |
c3d65c1c BE |
1147 | generate code for PowerPC 7400/7410/7450/7455\n\ |
1148 | -m750cl generate code for PowerPC 750cl\n")); | |
df12615d | 1149 | fprintf (stream, _("\ |
23e1d84c | 1150 | -mppc64, -m620 generate code for PowerPC 620/625/630\n\ |
d0e9a01c | 1151 | -mppc64bridge generate code for PowerPC 64, including bridge insns\n\ |
a09cf9bd MG |
1152 | -mbooke64 generate code for 64-bit PowerPC BookE\n\ |
1153 | -mbooke, mbooke32 generate code for 32-bit PowerPC BookE\n\ | |
23e1d84c | 1154 | -mpower4 generate code for Power4 architecture\n\ |
b0648eec | 1155 | -mpower5 generate code for Power5 architecture\n\ |
9622b051 | 1156 | -mpower6 generate code for Power6 architecture\n\ |
9b4e5766 | 1157 | -mpower7 generate code for Power7 architecture\n\ |
ede602d7 | 1158 | -mcell generate code for Cell Broadband Engine architecture\n\ |
252b5132 | 1159 | -mcom generate code Power/PowerPC common instructions\n\ |
df12615d | 1160 | -many generate code for any architecture (PWR/PWRX/PPC)\n")); |
6a0c61b7 | 1161 | fprintf (stream, _("\ |
df12615d | 1162 | -maltivec generate code for AltiVec\n\ |
9b4e5766 | 1163 | -mvsx generate code for Vector-Scalar (VSX) instructions\n\ |
36ae0db3 | 1164 | -me300 generate code for PowerPC e300 family\n\ |
6a0c61b7 | 1165 | -me500, -me500x2 generate code for Motorola e500 core complex\n\ |
19a6653c | 1166 | -me500mc, generate code for Freescale e500mc core complex\n\ |
df12615d AM |
1167 | -mspe generate code for Motorola SPE instructions\n\ |
1168 | -mregnames Allow symbolic names for registers\n\ | |
1169 | -mno-regnames Do not allow symbolic names for registers\n")); | |
252b5132 | 1170 | #ifdef OBJ_ELF |
bc805888 | 1171 | fprintf (stream, _("\ |
252b5132 RH |
1172 | -mrelocatable support for GCC's -mrelocatble option\n\ |
1173 | -mrelocatable-lib support for GCC's -mrelocatble-lib option\n\ | |
1174 | -memb set PPC_EMB bit in ELF flags\n\ | |
df12615d | 1175 | -mlittle, -mlittle-endian, -l, -le\n\ |
252b5132 | 1176 | generate code for a little endian machine\n\ |
df12615d AM |
1177 | -mbig, -mbig-endian, -b, -be\n\ |
1178 | generate code for a big endian machine\n\ | |
252b5132 RH |
1179 | -msolaris generate code for Solaris\n\ |
1180 | -mno-solaris do not generate code for Solaris\n\ | |
1181 | -V print assembler version number\n\ | |
1182 | -Qy, -Qn ignored\n")); | |
1183 | #endif | |
1184 | } | |
1185 | \f | |
1186 | /* Set ppc_cpu if it is not already set. */ | |
1187 | ||
1188 | static void | |
98027b10 | 1189 | ppc_set_cpu (void) |
252b5132 RH |
1190 | { |
1191 | const char *default_os = TARGET_OS; | |
1192 | const char *default_cpu = TARGET_CPU; | |
1193 | ||
3c9030c1 | 1194 | if ((ppc_cpu & ~PPC_OPCODE_ANY) == 0) |
252b5132 | 1195 | { |
2a98c3a6 | 1196 | if (ppc_obj64) |
3c9030c1 | 1197 | ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64; |
2a98c3a6 AM |
1198 | else if (strncmp (default_os, "aix", 3) == 0 |
1199 | && default_os[3] >= '4' && default_os[3] <= '9') | |
3c9030c1 | 1200 | ppc_cpu |= PPC_OPCODE_COMMON | PPC_OPCODE_32; |
252b5132 | 1201 | else if (strncmp (default_os, "aix3", 4) == 0) |
3c9030c1 | 1202 | ppc_cpu |= PPC_OPCODE_POWER | PPC_OPCODE_32; |
252b5132 | 1203 | else if (strcmp (default_cpu, "rs6000") == 0) |
3c9030c1 | 1204 | ppc_cpu |= PPC_OPCODE_POWER | PPC_OPCODE_32; |
0baf16f2 | 1205 | else if (strncmp (default_cpu, "powerpc", 7) == 0) |
23d36e92 | 1206 | ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32; |
252b5132 | 1207 | else |
99a814a1 AM |
1208 | as_fatal (_("Unknown default cpu = %s, os = %s"), |
1209 | default_cpu, default_os); | |
252b5132 RH |
1210 | } |
1211 | } | |
1212 | ||
9232bbb0 AM |
1213 | /* Figure out the BFD architecture to use. This function and ppc_mach |
1214 | are called well before md_begin, when the output file is opened. */ | |
252b5132 RH |
1215 | |
1216 | enum bfd_architecture | |
98027b10 | 1217 | ppc_arch (void) |
252b5132 RH |
1218 | { |
1219 | const char *default_cpu = TARGET_CPU; | |
1220 | ppc_set_cpu (); | |
1221 | ||
1222 | if ((ppc_cpu & PPC_OPCODE_PPC) != 0) | |
1223 | return bfd_arch_powerpc; | |
1224 | else if ((ppc_cpu & PPC_OPCODE_POWER) != 0) | |
1225 | return bfd_arch_rs6000; | |
1226 | else if ((ppc_cpu & (PPC_OPCODE_COMMON | PPC_OPCODE_ANY)) != 0) | |
1227 | { | |
1228 | if (strcmp (default_cpu, "rs6000") == 0) | |
1229 | return bfd_arch_rs6000; | |
0baf16f2 | 1230 | else if (strncmp (default_cpu, "powerpc", 7) == 0) |
252b5132 RH |
1231 | return bfd_arch_powerpc; |
1232 | } | |
1233 | ||
1234 | as_fatal (_("Neither Power nor PowerPC opcodes were selected.")); | |
1235 | return bfd_arch_unknown; | |
1236 | } | |
1237 | ||
7f6d05e8 | 1238 | unsigned long |
98027b10 | 1239 | ppc_mach (void) |
7f6d05e8 | 1240 | { |
2a98c3a6 AM |
1241 | if (ppc_obj64) |
1242 | return bfd_mach_ppc64; | |
1243 | else if (ppc_arch () == bfd_arch_rs6000) | |
1244 | return bfd_mach_rs6k; | |
1245 | else | |
1246 | return bfd_mach_ppc; | |
7f6d05e8 CP |
1247 | } |
1248 | ||
81d4177b | 1249 | extern char* |
98027b10 | 1250 | ppc_target_format (void) |
7f6d05e8 CP |
1251 | { |
1252 | #ifdef OBJ_COFF | |
1253 | #ifdef TE_PE | |
99a814a1 | 1254 | return target_big_endian ? "pe-powerpc" : "pe-powerpcle"; |
7f6d05e8 | 1255 | #elif TE_POWERMAC |
0baf16f2 | 1256 | return "xcoff-powermac"; |
7f6d05e8 | 1257 | #else |
eb1e0e80 | 1258 | # ifdef TE_AIX5 |
2b3c4602 | 1259 | return (ppc_obj64 ? "aix5coff64-rs6000" : "aixcoff-rs6000"); |
eb1e0e80 | 1260 | # else |
2b3c4602 | 1261 | return (ppc_obj64 ? "aixcoff64-rs6000" : "aixcoff-rs6000"); |
eb1e0e80 | 1262 | # endif |
7f6d05e8 | 1263 | #endif |
7f6d05e8 CP |
1264 | #endif |
1265 | #ifdef OBJ_ELF | |
9d8504b1 PB |
1266 | # ifdef TE_VXWORKS |
1267 | return "elf32-powerpc-vxworks"; | |
1268 | # else | |
0baf16f2 | 1269 | return (target_big_endian |
2b3c4602 AM |
1270 | ? (ppc_obj64 ? "elf64-powerpc" : "elf32-powerpc") |
1271 | : (ppc_obj64 ? "elf64-powerpcle" : "elf32-powerpcle")); | |
9d8504b1 | 1272 | # endif |
7f6d05e8 CP |
1273 | #endif |
1274 | } | |
1275 | ||
69c040df AM |
1276 | /* Insert opcodes and macros into hash tables. Called at startup and |
1277 | for .cpu pseudo. */ | |
252b5132 | 1278 | |
69c040df AM |
1279 | static void |
1280 | ppc_setup_opcodes (void) | |
252b5132 | 1281 | { |
98027b10 | 1282 | const struct powerpc_opcode *op; |
252b5132 RH |
1283 | const struct powerpc_opcode *op_end; |
1284 | const struct powerpc_macro *macro; | |
1285 | const struct powerpc_macro *macro_end; | |
b84bf58a | 1286 | bfd_boolean bad_insn = FALSE; |
252b5132 | 1287 | |
69c040df AM |
1288 | if (ppc_hash != NULL) |
1289 | hash_die (ppc_hash); | |
1290 | if (ppc_macro_hash != NULL) | |
1291 | hash_die (ppc_macro_hash); | |
252b5132 RH |
1292 | |
1293 | /* Insert the opcodes into a hash table. */ | |
1294 | ppc_hash = hash_new (); | |
1295 | ||
c43a438d | 1296 | if (ENABLE_CHECKING) |
b84bf58a | 1297 | { |
c43a438d | 1298 | unsigned int i; |
b84bf58a | 1299 | |
c43a438d AM |
1300 | /* Check operand masks. Code here and in the disassembler assumes |
1301 | all the 1's in the mask are contiguous. */ | |
1302 | for (i = 0; i < num_powerpc_operands; ++i) | |
b84bf58a | 1303 | { |
c43a438d AM |
1304 | unsigned long mask = powerpc_operands[i].bitm; |
1305 | unsigned long right_bit; | |
1306 | unsigned int j; | |
1307 | ||
1308 | right_bit = mask & -mask; | |
1309 | mask += right_bit; | |
1310 | right_bit = mask & -mask; | |
1311 | if (mask != right_bit) | |
1312 | { | |
1313 | as_bad (_("powerpc_operands[%d].bitm invalid"), i); | |
1314 | bad_insn = TRUE; | |
1315 | } | |
1316 | for (j = i + 1; j < num_powerpc_operands; ++j) | |
1317 | if (memcmp (&powerpc_operands[i], &powerpc_operands[j], | |
1318 | sizeof (powerpc_operands[0])) == 0) | |
1319 | { | |
1320 | as_bad (_("powerpc_operands[%d] duplicates powerpc_operands[%d]"), | |
1321 | j, i); | |
1322 | bad_insn = TRUE; | |
1323 | } | |
b84bf58a AM |
1324 | } |
1325 | } | |
1326 | ||
252b5132 RH |
1327 | op_end = powerpc_opcodes + powerpc_num_opcodes; |
1328 | for (op = powerpc_opcodes; op < op_end; op++) | |
1329 | { | |
c43a438d | 1330 | if (ENABLE_CHECKING) |
b84bf58a | 1331 | { |
c43a438d AM |
1332 | const unsigned char *o; |
1333 | unsigned long omask = op->mask; | |
8dbcd839 | 1334 | |
d815f1a9 | 1335 | if (op != powerpc_opcodes) |
8dbcd839 | 1336 | { |
d815f1a9 AM |
1337 | /* The major opcodes had better be sorted. Code in the |
1338 | disassembler assumes the insns are sorted according to | |
1339 | major opcode. */ | |
1340 | if (PPC_OP (op[0].opcode) < PPC_OP (op[-1].opcode)) | |
1341 | { | |
1342 | as_bad (_("major opcode is not sorted for %s"), | |
1343 | op->name); | |
1344 | bad_insn = TRUE; | |
1345 | } | |
1346 | ||
1347 | /* Warn if the table isn't more strictly ordered. | |
1348 | Unfortunately it doesn't seem possible to order the | |
1349 | table on much more than the major opcode, which makes | |
1350 | it difficult to implement a binary search in the | |
1351 | disassembler. The problem is that we have multiple | |
1352 | ways to disassemble instructions, and we usually want | |
1353 | to choose a more specific form (with more bits set in | |
1354 | the opcode) than a more general form. eg. all of the | |
1355 | following are equivalent: | |
1356 | bne label # opcode = 0x40820000, mask = 0xff830003 | |
1357 | bf 2,label # opcode = 0x40800000, mask = 0xff800003 | |
1358 | bc 4,2,label # opcode = 0x40000000, mask = 0xfc000003 | |
1359 | ||
1360 | There are also cases where the table needs to be out | |
1361 | of order to disassemble the correct instruction for | |
1362 | processor variants. eg. "lhae" booke64 insn must be | |
1363 | found before "ld" ppc64 insn. */ | |
1364 | else if (0) | |
1365 | { | |
1366 | unsigned long t1 = op[0].opcode; | |
1367 | unsigned long t2 = op[-1].opcode; | |
1368 | ||
1369 | if (((t1 ^ t2) & 0xfc0007ff) == 0 | |
1370 | && (t1 & 0xfc0006df) == 0x7c000286) | |
1371 | { | |
1372 | /* spr field is split. */ | |
1373 | t1 = ((t1 & ~0x1ff800) | |
1374 | | ((t1 & 0xf800) << 5) | ((t1 & 0x1f0000) >> 5)); | |
1375 | t2 = ((t2 & ~0x1ff800) | |
1376 | | ((t2 & 0xf800) << 5) | ((t2 & 0x1f0000) >> 5)); | |
1377 | } | |
1378 | if (t1 < t2) | |
1379 | as_warn (_("%s (%08lx %08lx) after %s (%08lx %08lx)"), | |
1380 | op[0].name, op[0].opcode, op[0].mask, | |
1381 | op[-1].name, op[-1].opcode, op[-1].mask); | |
1382 | } | |
8dbcd839 | 1383 | } |
c43a438d AM |
1384 | |
1385 | /* The mask had better not trim off opcode bits. */ | |
1386 | if ((op->opcode & omask) != op->opcode) | |
1387 | { | |
1388 | as_bad (_("mask trims opcode bits for %s"), | |
1389 | op->name); | |
1390 | bad_insn = TRUE; | |
1391 | } | |
1392 | ||
1393 | /* The operands must not overlap the opcode or each other. */ | |
1394 | for (o = op->operands; *o; ++o) | |
1395 | if (*o >= num_powerpc_operands) | |
1396 | { | |
1397 | as_bad (_("operand index error for %s"), | |
1398 | op->name); | |
1399 | bad_insn = TRUE; | |
1400 | } | |
1401 | else | |
b84bf58a | 1402 | { |
c43a438d AM |
1403 | const struct powerpc_operand *operand = &powerpc_operands[*o]; |
1404 | if (operand->shift >= 0) | |
b84bf58a | 1405 | { |
c43a438d AM |
1406 | unsigned long mask = operand->bitm << operand->shift; |
1407 | if (omask & mask) | |
1408 | { | |
1409 | as_bad (_("operand %d overlap in %s"), | |
1410 | (int) (o - op->operands), op->name); | |
1411 | bad_insn = TRUE; | |
1412 | } | |
1413 | omask |= mask; | |
b84bf58a | 1414 | } |
b84bf58a | 1415 | } |
c43a438d | 1416 | } |
252b5132 | 1417 | |
2b3c4602 | 1418 | if ((op->flags & ppc_cpu & ~(PPC_OPCODE_32 | PPC_OPCODE_64)) != 0 |
252b5132 | 1419 | && ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64)) == 0 |
2b3c4602 AM |
1420 | || ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64)) |
1421 | == (ppc_cpu & (PPC_OPCODE_32 | PPC_OPCODE_64))) | |
23e1d84c | 1422 | || (ppc_cpu & PPC_OPCODE_64_BRIDGE) != 0) |
341026c1 NC |
1423 | /* Certain instructions (eg: extsw) do not exist in the |
1424 | 32-bit BookE instruction set, but they do exist in the | |
1425 | 64-bit BookE instruction set, and other PPC instruction | |
1426 | sets. Check to see if the opcode has the BOOKE64 flag set. | |
1427 | If it does make sure that the target CPU is not the BookE32. */ | |
1428 | && ((op->flags & PPC_OPCODE_BOOKE64) == 0 | |
1429 | || (ppc_cpu & PPC_OPCODE_BOOKE64) == PPC_OPCODE_BOOKE64 | |
1430 | || (ppc_cpu & PPC_OPCODE_BOOKE) == 0) | |
a08f0c75 PB |
1431 | && ((ppc_cpu & PPC_OPCODE_POWER4) == 0 |
1432 | || (op->flags & PPC_OPCODE_NOPOWER4) == 0)) | |
252b5132 RH |
1433 | { |
1434 | const char *retval; | |
1435 | ||
98027b10 | 1436 | retval = hash_insert (ppc_hash, op->name, (void *) op); |
69c040df | 1437 | if (retval != NULL) |
252b5132 | 1438 | { |
99a814a1 | 1439 | /* Ignore Power duplicates for -m601. */ |
252b5132 RH |
1440 | if ((ppc_cpu & PPC_OPCODE_601) != 0 |
1441 | && (op->flags & PPC_OPCODE_POWER) != 0) | |
1442 | continue; | |
1443 | ||
b84bf58a | 1444 | as_bad (_("duplicate instruction %s"), |
99a814a1 | 1445 | op->name); |
b84bf58a | 1446 | bad_insn = TRUE; |
252b5132 RH |
1447 | } |
1448 | } | |
1449 | } | |
1450 | ||
3c9030c1 AM |
1451 | if ((ppc_cpu & PPC_OPCODE_ANY) != 0) |
1452 | for (op = powerpc_opcodes; op < op_end; op++) | |
98027b10 | 1453 | hash_insert (ppc_hash, op->name, (void *) op); |
3c9030c1 | 1454 | |
252b5132 RH |
1455 | /* Insert the macros into a hash table. */ |
1456 | ppc_macro_hash = hash_new (); | |
1457 | ||
1458 | macro_end = powerpc_macros + powerpc_num_macros; | |
1459 | for (macro = powerpc_macros; macro < macro_end; macro++) | |
1460 | { | |
1461 | if ((macro->flags & ppc_cpu) != 0) | |
1462 | { | |
1463 | const char *retval; | |
1464 | ||
98027b10 | 1465 | retval = hash_insert (ppc_macro_hash, macro->name, (void *) macro); |
252b5132 RH |
1466 | if (retval != (const char *) NULL) |
1467 | { | |
b84bf58a AM |
1468 | as_bad (_("duplicate macro %s"), macro->name); |
1469 | bad_insn = TRUE; | |
252b5132 RH |
1470 | } |
1471 | } | |
1472 | } | |
1473 | ||
b84bf58a | 1474 | if (bad_insn) |
252b5132 | 1475 | abort (); |
69c040df AM |
1476 | } |
1477 | ||
1478 | /* This function is called when the assembler starts up. It is called | |
1479 | after the options have been parsed and the output file has been | |
1480 | opened. */ | |
1481 | ||
1482 | void | |
98027b10 | 1483 | md_begin (void) |
69c040df AM |
1484 | { |
1485 | ppc_set_cpu (); | |
1486 | ||
1487 | ppc_cie_data_alignment = ppc_obj64 ? -8 : -4; | |
1488 | ||
1489 | #ifdef OBJ_ELF | |
1490 | /* Set the ELF flags if desired. */ | |
1491 | if (ppc_flags && !msolaris) | |
1492 | bfd_set_private_flags (stdoutput, ppc_flags); | |
1493 | #endif | |
1494 | ||
1495 | ppc_setup_opcodes (); | |
252b5132 | 1496 | |
67c1ffbe | 1497 | /* Tell the main code what the endianness is if it is not overridden |
99a814a1 | 1498 | by the user. */ |
252b5132 RH |
1499 | if (!set_target_endian) |
1500 | { | |
1501 | set_target_endian = 1; | |
1502 | target_big_endian = PPC_BIG_ENDIAN; | |
1503 | } | |
1504 | ||
1505 | #ifdef OBJ_XCOFF | |
1506 | ppc_coff_debug_section = coff_section_from_bfd_index (stdoutput, N_DEBUG); | |
1507 | ||
1508 | /* Create dummy symbols to serve as initial csects. This forces the | |
1509 | text csects to precede the data csects. These symbols will not | |
1510 | be output. */ | |
1511 | ppc_text_csects = symbol_make ("dummy\001"); | |
809ffe0d | 1512 | symbol_get_tc (ppc_text_csects)->within = ppc_text_csects; |
252b5132 | 1513 | ppc_data_csects = symbol_make ("dummy\001"); |
809ffe0d | 1514 | symbol_get_tc (ppc_data_csects)->within = ppc_data_csects; |
252b5132 RH |
1515 | #endif |
1516 | ||
1517 | #ifdef TE_PE | |
1518 | ||
1519 | ppc_current_section = text_section; | |
81d4177b | 1520 | ppc_previous_section = 0; |
252b5132 RH |
1521 | |
1522 | #endif | |
1523 | } | |
1524 | ||
6a0c61b7 | 1525 | void |
98027b10 | 1526 | ppc_cleanup (void) |
6a0c61b7 | 1527 | { |
dc1d03fc | 1528 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
1529 | if (ppc_apuinfo_list == NULL) |
1530 | return; | |
1531 | ||
1532 | /* Ok, so write the section info out. We have this layout: | |
1533 | ||
1534 | byte data what | |
1535 | ---- ---- ---- | |
1536 | 0 8 length of "APUinfo\0" | |
1537 | 4 (n*4) number of APU's (4 bytes each) | |
1538 | 8 2 note type 2 | |
1539 | 12 "APUinfo\0" name | |
1540 | 20 APU#1 first APU's info | |
1541 | 24 APU#2 second APU's info | |
1542 | ... ... | |
1543 | */ | |
1544 | { | |
1545 | char *p; | |
1546 | asection *seg = now_seg; | |
1547 | subsegT subseg = now_subseg; | |
1548 | asection *apuinfo_secp = (asection *) NULL; | |
49181a6a | 1549 | unsigned int i; |
6a0c61b7 EZ |
1550 | |
1551 | /* Create the .PPC.EMB.apuinfo section. */ | |
1552 | apuinfo_secp = subseg_new (".PPC.EMB.apuinfo", 0); | |
1553 | bfd_set_section_flags (stdoutput, | |
1554 | apuinfo_secp, | |
e1a9cb8e | 1555 | SEC_HAS_CONTENTS | SEC_READONLY); |
6a0c61b7 EZ |
1556 | |
1557 | p = frag_more (4); | |
1558 | md_number_to_chars (p, (valueT) 8, 4); | |
1559 | ||
1560 | p = frag_more (4); | |
e98d298c | 1561 | md_number_to_chars (p, (valueT) ppc_apuinfo_num * 4, 4); |
6a0c61b7 EZ |
1562 | |
1563 | p = frag_more (4); | |
1564 | md_number_to_chars (p, (valueT) 2, 4); | |
1565 | ||
1566 | p = frag_more (8); | |
1567 | strcpy (p, "APUinfo"); | |
1568 | ||
1569 | for (i = 0; i < ppc_apuinfo_num; i++) | |
1570 | { | |
b34976b6 AM |
1571 | p = frag_more (4); |
1572 | md_number_to_chars (p, (valueT) ppc_apuinfo_list[i], 4); | |
6a0c61b7 EZ |
1573 | } |
1574 | ||
1575 | frag_align (2, 0, 0); | |
1576 | ||
1577 | /* We probably can't restore the current segment, for there likely | |
1578 | isn't one yet... */ | |
1579 | if (seg && subseg) | |
1580 | subseg_set (seg, subseg); | |
1581 | } | |
dc1d03fc | 1582 | #endif |
6a0c61b7 EZ |
1583 | } |
1584 | ||
252b5132 RH |
1585 | /* Insert an operand value into an instruction. */ |
1586 | ||
1587 | static unsigned long | |
a1867a27 AM |
1588 | ppc_insert_operand (unsigned long insn, |
1589 | const struct powerpc_operand *operand, | |
1590 | offsetT val, | |
fa452fa6 | 1591 | ppc_cpu_t ppc_cpu, |
a1867a27 AM |
1592 | char *file, |
1593 | unsigned int line) | |
252b5132 | 1594 | { |
b84bf58a | 1595 | long min, max, right; |
eb42fac1 | 1596 | |
b84bf58a AM |
1597 | max = operand->bitm; |
1598 | right = max & -max; | |
1599 | min = 0; | |
1600 | ||
1601 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
252b5132 | 1602 | { |
b84bf58a | 1603 | if ((operand->flags & PPC_OPERAND_SIGNOPT) == 0) |
931774a9 AM |
1604 | max = (max >> 1) & -right; |
1605 | min = ~max & -right; | |
b84bf58a | 1606 | } |
252b5132 | 1607 | |
b84bf58a | 1608 | if ((operand->flags & PPC_OPERAND_PLUS1) != 0) |
3896c469 | 1609 | max++; |
252b5132 | 1610 | |
b84bf58a | 1611 | if ((operand->flags & PPC_OPERAND_NEGATIVE) != 0) |
a1867a27 AM |
1612 | { |
1613 | long tmp = min; | |
1614 | min = -max; | |
1615 | max = -tmp; | |
1616 | } | |
b84bf58a | 1617 | |
a1867a27 AM |
1618 | if (min <= max) |
1619 | { | |
1620 | /* Some people write constants with the sign extension done by | |
1621 | hand but only up to 32 bits. This shouldn't really be valid, | |
1622 | but, to permit this code to assemble on a 64-bit host, we | |
1623 | sign extend the 32-bit value to 64 bits if so doing makes the | |
1624 | value valid. */ | |
1625 | if (val > max | |
1626 | && (offsetT) (val - 0x80000000 - 0x80000000) >= min | |
1627 | && (offsetT) (val - 0x80000000 - 0x80000000) <= max | |
1628 | && ((val - 0x80000000 - 0x80000000) & (right - 1)) == 0) | |
1629 | val = val - 0x80000000 - 0x80000000; | |
1630 | ||
1631 | /* Similarly, people write expressions like ~(1<<15), and expect | |
1632 | this to be OK for a 32-bit unsigned value. */ | |
1633 | else if (val < min | |
1634 | && (offsetT) (val + 0x80000000 + 0x80000000) >= min | |
1635 | && (offsetT) (val + 0x80000000 + 0x80000000) <= max | |
1636 | && ((val + 0x80000000 + 0x80000000) & (right - 1)) == 0) | |
1637 | val = val + 0x80000000 + 0x80000000; | |
1638 | ||
1639 | else if (val < min | |
1640 | || val > max | |
1641 | || (val & (right - 1)) != 0) | |
1642 | as_bad_value_out_of_range (_("operand"), val, min, max, file, line); | |
1643 | } | |
b84bf58a | 1644 | |
252b5132 RH |
1645 | if (operand->insert) |
1646 | { | |
1647 | const char *errmsg; | |
1648 | ||
1649 | errmsg = NULL; | |
2b3c4602 | 1650 | insn = (*operand->insert) (insn, (long) val, ppc_cpu, &errmsg); |
252b5132 | 1651 | if (errmsg != (const char *) NULL) |
0baf16f2 | 1652 | as_bad_where (file, line, errmsg); |
252b5132 RH |
1653 | } |
1654 | else | |
b84bf58a | 1655 | insn |= ((long) val & operand->bitm) << operand->shift; |
252b5132 RH |
1656 | |
1657 | return insn; | |
1658 | } | |
1659 | ||
1660 | \f | |
1661 | #ifdef OBJ_ELF | |
1662 | /* Parse @got, etc. and return the desired relocation. */ | |
1663 | static bfd_reloc_code_real_type | |
98027b10 | 1664 | ppc_elf_suffix (char **str_p, expressionS *exp_p) |
252b5132 RH |
1665 | { |
1666 | struct map_bfd { | |
1667 | char *string; | |
b7d7dc63 AM |
1668 | unsigned int length : 8; |
1669 | unsigned int valid32 : 1; | |
1670 | unsigned int valid64 : 1; | |
1671 | unsigned int reloc; | |
252b5132 RH |
1672 | }; |
1673 | ||
1674 | char ident[20]; | |
1675 | char *str = *str_p; | |
1676 | char *str2; | |
1677 | int ch; | |
1678 | int len; | |
15c1449b | 1679 | const struct map_bfd *ptr; |
252b5132 | 1680 | |
b7d7dc63 AM |
1681 | #define MAP(str, reloc) { str, sizeof (str) - 1, 1, 1, reloc } |
1682 | #define MAP32(str, reloc) { str, sizeof (str) - 1, 1, 0, reloc } | |
1683 | #define MAP64(str, reloc) { str, sizeof (str) - 1, 0, 1, reloc } | |
252b5132 | 1684 | |
15c1449b | 1685 | static const struct map_bfd mapping[] = { |
b7d7dc63 AM |
1686 | MAP ("l", BFD_RELOC_LO16), |
1687 | MAP ("h", BFD_RELOC_HI16), | |
1688 | MAP ("ha", BFD_RELOC_HI16_S), | |
1689 | MAP ("brtaken", BFD_RELOC_PPC_B16_BRTAKEN), | |
1690 | MAP ("brntaken", BFD_RELOC_PPC_B16_BRNTAKEN), | |
1691 | MAP ("got", BFD_RELOC_16_GOTOFF), | |
1692 | MAP ("got@l", BFD_RELOC_LO16_GOTOFF), | |
1693 | MAP ("got@h", BFD_RELOC_HI16_GOTOFF), | |
1694 | MAP ("got@ha", BFD_RELOC_HI16_S_GOTOFF), | |
1695 | MAP ("plt@l", BFD_RELOC_LO16_PLTOFF), | |
1696 | MAP ("plt@h", BFD_RELOC_HI16_PLTOFF), | |
1697 | MAP ("plt@ha", BFD_RELOC_HI16_S_PLTOFF), | |
1698 | MAP ("copy", BFD_RELOC_PPC_COPY), | |
1699 | MAP ("globdat", BFD_RELOC_PPC_GLOB_DAT), | |
1700 | MAP ("sectoff", BFD_RELOC_16_BASEREL), | |
1701 | MAP ("sectoff@l", BFD_RELOC_LO16_BASEREL), | |
1702 | MAP ("sectoff@h", BFD_RELOC_HI16_BASEREL), | |
1703 | MAP ("sectoff@ha", BFD_RELOC_HI16_S_BASEREL), | |
1704 | MAP ("tls", BFD_RELOC_PPC_TLS), | |
1705 | MAP ("dtpmod", BFD_RELOC_PPC_DTPMOD), | |
1706 | MAP ("dtprel", BFD_RELOC_PPC_DTPREL), | |
1707 | MAP ("dtprel@l", BFD_RELOC_PPC_DTPREL16_LO), | |
1708 | MAP ("dtprel@h", BFD_RELOC_PPC_DTPREL16_HI), | |
1709 | MAP ("dtprel@ha", BFD_RELOC_PPC_DTPREL16_HA), | |
1710 | MAP ("tprel", BFD_RELOC_PPC_TPREL), | |
1711 | MAP ("tprel@l", BFD_RELOC_PPC_TPREL16_LO), | |
1712 | MAP ("tprel@h", BFD_RELOC_PPC_TPREL16_HI), | |
1713 | MAP ("tprel@ha", BFD_RELOC_PPC_TPREL16_HA), | |
1714 | MAP ("got@tlsgd", BFD_RELOC_PPC_GOT_TLSGD16), | |
1715 | MAP ("got@tlsgd@l", BFD_RELOC_PPC_GOT_TLSGD16_LO), | |
1716 | MAP ("got@tlsgd@h", BFD_RELOC_PPC_GOT_TLSGD16_HI), | |
1717 | MAP ("got@tlsgd@ha", BFD_RELOC_PPC_GOT_TLSGD16_HA), | |
1718 | MAP ("got@tlsld", BFD_RELOC_PPC_GOT_TLSLD16), | |
1719 | MAP ("got@tlsld@l", BFD_RELOC_PPC_GOT_TLSLD16_LO), | |
1720 | MAP ("got@tlsld@h", BFD_RELOC_PPC_GOT_TLSLD16_HI), | |
1721 | MAP ("got@tlsld@ha", BFD_RELOC_PPC_GOT_TLSLD16_HA), | |
1722 | MAP ("got@dtprel", BFD_RELOC_PPC_GOT_DTPREL16), | |
1723 | MAP ("got@dtprel@l", BFD_RELOC_PPC_GOT_DTPREL16_LO), | |
1724 | MAP ("got@dtprel@h", BFD_RELOC_PPC_GOT_DTPREL16_HI), | |
1725 | MAP ("got@dtprel@ha", BFD_RELOC_PPC_GOT_DTPREL16_HA), | |
1726 | MAP ("got@tprel", BFD_RELOC_PPC_GOT_TPREL16), | |
1727 | MAP ("got@tprel@l", BFD_RELOC_PPC_GOT_TPREL16_LO), | |
1728 | MAP ("got@tprel@h", BFD_RELOC_PPC_GOT_TPREL16_HI), | |
1729 | MAP ("got@tprel@ha", BFD_RELOC_PPC_GOT_TPREL16_HA), | |
1730 | MAP32 ("fixup", BFD_RELOC_CTOR), | |
1731 | MAP32 ("plt", BFD_RELOC_24_PLT_PCREL), | |
1732 | MAP32 ("pltrel24", BFD_RELOC_24_PLT_PCREL), | |
1733 | MAP32 ("local24pc", BFD_RELOC_PPC_LOCAL24PC), | |
1734 | MAP32 ("local", BFD_RELOC_PPC_LOCAL24PC), | |
1735 | MAP32 ("pltrel", BFD_RELOC_32_PLT_PCREL), | |
1736 | MAP32 ("sdarel", BFD_RELOC_GPREL16), | |
1737 | MAP32 ("naddr", BFD_RELOC_PPC_EMB_NADDR32), | |
1738 | MAP32 ("naddr16", BFD_RELOC_PPC_EMB_NADDR16), | |
1739 | MAP32 ("naddr@l", BFD_RELOC_PPC_EMB_NADDR16_LO), | |
1740 | MAP32 ("naddr@h", BFD_RELOC_PPC_EMB_NADDR16_HI), | |
1741 | MAP32 ("naddr@ha", BFD_RELOC_PPC_EMB_NADDR16_HA), | |
1742 | MAP32 ("sdai16", BFD_RELOC_PPC_EMB_SDAI16), | |
1743 | MAP32 ("sda2rel", BFD_RELOC_PPC_EMB_SDA2REL), | |
1744 | MAP32 ("sda2i16", BFD_RELOC_PPC_EMB_SDA2I16), | |
1745 | MAP32 ("sda21", BFD_RELOC_PPC_EMB_SDA21), | |
1746 | MAP32 ("mrkref", BFD_RELOC_PPC_EMB_MRKREF), | |
1747 | MAP32 ("relsect", BFD_RELOC_PPC_EMB_RELSEC16), | |
1748 | MAP32 ("relsect@l", BFD_RELOC_PPC_EMB_RELST_LO), | |
1749 | MAP32 ("relsect@h", BFD_RELOC_PPC_EMB_RELST_HI), | |
1750 | MAP32 ("relsect@ha", BFD_RELOC_PPC_EMB_RELST_HA), | |
1751 | MAP32 ("bitfld", BFD_RELOC_PPC_EMB_BIT_FLD), | |
1752 | MAP32 ("relsda", BFD_RELOC_PPC_EMB_RELSDA), | |
1753 | MAP32 ("xgot", BFD_RELOC_PPC_TOC16), | |
1754 | MAP64 ("higher", BFD_RELOC_PPC64_HIGHER), | |
1755 | MAP64 ("highera", BFD_RELOC_PPC64_HIGHER_S), | |
1756 | MAP64 ("highest", BFD_RELOC_PPC64_HIGHEST), | |
1757 | MAP64 ("highesta", BFD_RELOC_PPC64_HIGHEST_S), | |
1758 | MAP64 ("tocbase", BFD_RELOC_PPC64_TOC), | |
1759 | MAP64 ("toc", BFD_RELOC_PPC_TOC16), | |
1760 | MAP64 ("toc@l", BFD_RELOC_PPC64_TOC16_LO), | |
1761 | MAP64 ("toc@h", BFD_RELOC_PPC64_TOC16_HI), | |
1762 | MAP64 ("toc@ha", BFD_RELOC_PPC64_TOC16_HA), | |
1763 | MAP64 ("dtprel@higher", BFD_RELOC_PPC64_DTPREL16_HIGHER), | |
1764 | MAP64 ("dtprel@highera", BFD_RELOC_PPC64_DTPREL16_HIGHERA), | |
1765 | MAP64 ("dtprel@highest", BFD_RELOC_PPC64_DTPREL16_HIGHEST), | |
1766 | MAP64 ("dtprel@highesta", BFD_RELOC_PPC64_DTPREL16_HIGHESTA), | |
1767 | MAP64 ("tprel@higher", BFD_RELOC_PPC64_TPREL16_HIGHER), | |
1768 | MAP64 ("tprel@highera", BFD_RELOC_PPC64_TPREL16_HIGHERA), | |
1769 | MAP64 ("tprel@highest", BFD_RELOC_PPC64_TPREL16_HIGHEST), | |
1770 | MAP64 ("tprel@highesta", BFD_RELOC_PPC64_TPREL16_HIGHESTA), | |
1771 | { (char *) 0, 0, 0, 0, BFD_RELOC_UNUSED } | |
252b5132 RH |
1772 | }; |
1773 | ||
1774 | if (*str++ != '@') | |
1775 | return BFD_RELOC_UNUSED; | |
1776 | ||
1777 | for (ch = *str, str2 = ident; | |
1778 | (str2 < ident + sizeof (ident) - 1 | |
3882b010 | 1779 | && (ISALNUM (ch) || ch == '@')); |
252b5132 RH |
1780 | ch = *++str) |
1781 | { | |
3882b010 | 1782 | *str2++ = TOLOWER (ch); |
252b5132 RH |
1783 | } |
1784 | ||
1785 | *str2 = '\0'; | |
1786 | len = str2 - ident; | |
1787 | ||
1788 | ch = ident[0]; | |
1789 | for (ptr = &mapping[0]; ptr->length > 0; ptr++) | |
1790 | if (ch == ptr->string[0] | |
1791 | && len == ptr->length | |
b7d7dc63 AM |
1792 | && memcmp (ident, ptr->string, ptr->length) == 0 |
1793 | && (ppc_obj64 ? ptr->valid64 : ptr->valid32)) | |
252b5132 | 1794 | { |
15c1449b AM |
1795 | int reloc = ptr->reloc; |
1796 | ||
cdba85ec | 1797 | if (!ppc_obj64) |
5f6db75a AM |
1798 | if (exp_p->X_add_number != 0 |
1799 | && (reloc == (int) BFD_RELOC_16_GOTOFF | |
1800 | || reloc == (int) BFD_RELOC_LO16_GOTOFF | |
1801 | || reloc == (int) BFD_RELOC_HI16_GOTOFF | |
1802 | || reloc == (int) BFD_RELOC_HI16_S_GOTOFF)) | |
1803 | as_warn (_("identifier+constant@got means identifier@got+constant")); | |
1804 | ||
1805 | /* Now check for identifier@suffix+constant. */ | |
1806 | if (*str == '-' || *str == '+') | |
252b5132 | 1807 | { |
5f6db75a AM |
1808 | char *orig_line = input_line_pointer; |
1809 | expressionS new_exp; | |
1810 | ||
1811 | input_line_pointer = str; | |
1812 | expression (&new_exp); | |
1813 | if (new_exp.X_op == O_constant) | |
252b5132 | 1814 | { |
5f6db75a AM |
1815 | exp_p->X_add_number += new_exp.X_add_number; |
1816 | str = input_line_pointer; | |
252b5132 | 1817 | } |
5f6db75a AM |
1818 | |
1819 | if (&input_line_pointer != str_p) | |
1820 | input_line_pointer = orig_line; | |
252b5132 | 1821 | } |
252b5132 | 1822 | *str_p = str; |
0baf16f2 | 1823 | |
2b3c4602 | 1824 | if (reloc == (int) BFD_RELOC_PPC64_TOC |
9f2b53d7 AM |
1825 | && exp_p->X_op == O_symbol |
1826 | && strcmp (S_GET_NAME (exp_p->X_add_symbol), ".TOC.") == 0) | |
0baf16f2 | 1827 | { |
9f2b53d7 AM |
1828 | /* Change the symbol so that the dummy .TOC. symbol can be |
1829 | omitted from the object file. */ | |
0baf16f2 AM |
1830 | exp_p->X_add_symbol = &abs_symbol; |
1831 | } | |
1832 | ||
15c1449b | 1833 | return (bfd_reloc_code_real_type) reloc; |
252b5132 RH |
1834 | } |
1835 | ||
1836 | return BFD_RELOC_UNUSED; | |
1837 | } | |
1838 | ||
99a814a1 AM |
1839 | /* Like normal .long/.short/.word, except support @got, etc. |
1840 | Clobbers input_line_pointer, checks end-of-line. */ | |
252b5132 | 1841 | static void |
98027b10 | 1842 | ppc_elf_cons (int nbytes /* 1=.byte, 2=.word, 4=.long, 8=.llong */) |
252b5132 RH |
1843 | { |
1844 | expressionS exp; | |
1845 | bfd_reloc_code_real_type reloc; | |
1846 | ||
1847 | if (is_it_end_of_statement ()) | |
1848 | { | |
1849 | demand_empty_rest_of_line (); | |
1850 | return; | |
1851 | } | |
1852 | ||
1853 | do | |
1854 | { | |
1855 | expression (&exp); | |
1856 | if (exp.X_op == O_symbol | |
1857 | && *input_line_pointer == '@' | |
99a814a1 AM |
1858 | && (reloc = ppc_elf_suffix (&input_line_pointer, |
1859 | &exp)) != BFD_RELOC_UNUSED) | |
252b5132 | 1860 | { |
99a814a1 AM |
1861 | reloc_howto_type *reloc_howto; |
1862 | int size; | |
1863 | ||
1864 | reloc_howto = bfd_reloc_type_lookup (stdoutput, reloc); | |
1865 | size = bfd_get_reloc_size (reloc_howto); | |
252b5132 RH |
1866 | |
1867 | if (size > nbytes) | |
0baf16f2 AM |
1868 | { |
1869 | as_bad (_("%s relocations do not fit in %d bytes\n"), | |
1870 | reloc_howto->name, nbytes); | |
1871 | } | |
252b5132 RH |
1872 | else |
1873 | { | |
0baf16f2 AM |
1874 | char *p; |
1875 | int offset; | |
252b5132 | 1876 | |
0baf16f2 AM |
1877 | p = frag_more (nbytes); |
1878 | offset = 0; | |
1879 | if (target_big_endian) | |
1880 | offset = nbytes - size; | |
99a814a1 AM |
1881 | fix_new_exp (frag_now, p - frag_now->fr_literal + offset, size, |
1882 | &exp, 0, reloc); | |
252b5132 RH |
1883 | } |
1884 | } | |
1885 | else | |
1886 | emit_expr (&exp, (unsigned int) nbytes); | |
1887 | } | |
1888 | while (*input_line_pointer++ == ','); | |
1889 | ||
99a814a1 AM |
1890 | /* Put terminator back into stream. */ |
1891 | input_line_pointer--; | |
252b5132 RH |
1892 | demand_empty_rest_of_line (); |
1893 | } | |
1894 | ||
1895 | /* Solaris pseduo op to change to the .rodata section. */ | |
1896 | static void | |
98027b10 | 1897 | ppc_elf_rdata (int xxx) |
252b5132 RH |
1898 | { |
1899 | char *save_line = input_line_pointer; | |
1900 | static char section[] = ".rodata\n"; | |
1901 | ||
99a814a1 | 1902 | /* Just pretend this is .section .rodata */ |
252b5132 RH |
1903 | input_line_pointer = section; |
1904 | obj_elf_section (xxx); | |
1905 | ||
1906 | input_line_pointer = save_line; | |
1907 | } | |
1908 | ||
99a814a1 | 1909 | /* Pseudo op to make file scope bss items. */ |
252b5132 | 1910 | static void |
98027b10 | 1911 | ppc_elf_lcomm (int xxx ATTRIBUTE_UNUSED) |
252b5132 | 1912 | { |
98027b10 AM |
1913 | char *name; |
1914 | char c; | |
1915 | char *p; | |
252b5132 | 1916 | offsetT size; |
98027b10 | 1917 | symbolS *symbolP; |
252b5132 RH |
1918 | offsetT align; |
1919 | segT old_sec; | |
1920 | int old_subsec; | |
1921 | char *pfrag; | |
1922 | int align2; | |
1923 | ||
1924 | name = input_line_pointer; | |
1925 | c = get_symbol_end (); | |
1926 | ||
99a814a1 | 1927 | /* just after name is now '\0'. */ |
252b5132 RH |
1928 | p = input_line_pointer; |
1929 | *p = c; | |
1930 | SKIP_WHITESPACE (); | |
1931 | if (*input_line_pointer != ',') | |
1932 | { | |
1933 | as_bad (_("Expected comma after symbol-name: rest of line ignored.")); | |
1934 | ignore_rest_of_line (); | |
1935 | return; | |
1936 | } | |
1937 | ||
1938 | input_line_pointer++; /* skip ',' */ | |
1939 | if ((size = get_absolute_expression ()) < 0) | |
1940 | { | |
1941 | as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) size); | |
1942 | ignore_rest_of_line (); | |
1943 | return; | |
1944 | } | |
1945 | ||
1946 | /* The third argument to .lcomm is the alignment. */ | |
1947 | if (*input_line_pointer != ',') | |
1948 | align = 8; | |
1949 | else | |
1950 | { | |
1951 | ++input_line_pointer; | |
1952 | align = get_absolute_expression (); | |
1953 | if (align <= 0) | |
1954 | { | |
1955 | as_warn (_("ignoring bad alignment")); | |
1956 | align = 8; | |
1957 | } | |
1958 | } | |
1959 | ||
1960 | *p = 0; | |
1961 | symbolP = symbol_find_or_make (name); | |
1962 | *p = c; | |
1963 | ||
1964 | if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP)) | |
1965 | { | |
1966 | as_bad (_("Ignoring attempt to re-define symbol `%s'."), | |
1967 | S_GET_NAME (symbolP)); | |
1968 | ignore_rest_of_line (); | |
1969 | return; | |
1970 | } | |
1971 | ||
1972 | if (S_GET_VALUE (symbolP) && S_GET_VALUE (symbolP) != (valueT) size) | |
1973 | { | |
1974 | as_bad (_("Length of .lcomm \"%s\" is already %ld. Not changed to %ld."), | |
1975 | S_GET_NAME (symbolP), | |
1976 | (long) S_GET_VALUE (symbolP), | |
1977 | (long) size); | |
1978 | ||
1979 | ignore_rest_of_line (); | |
1980 | return; | |
1981 | } | |
1982 | ||
99a814a1 | 1983 | /* Allocate_bss. */ |
252b5132 RH |
1984 | old_sec = now_seg; |
1985 | old_subsec = now_subseg; | |
1986 | if (align) | |
1987 | { | |
99a814a1 | 1988 | /* Convert to a power of 2 alignment. */ |
252b5132 RH |
1989 | for (align2 = 0; (align & 1) == 0; align >>= 1, ++align2); |
1990 | if (align != 1) | |
1991 | { | |
1992 | as_bad (_("Common alignment not a power of 2")); | |
1993 | ignore_rest_of_line (); | |
1994 | return; | |
1995 | } | |
1996 | } | |
1997 | else | |
1998 | align2 = 0; | |
1999 | ||
2000 | record_alignment (bss_section, align2); | |
2001 | subseg_set (bss_section, 0); | |
2002 | if (align2) | |
2003 | frag_align (align2, 0, 0); | |
2004 | if (S_GET_SEGMENT (symbolP) == bss_section) | |
49309057 ILT |
2005 | symbol_get_frag (symbolP)->fr_symbol = 0; |
2006 | symbol_set_frag (symbolP, frag_now); | |
252b5132 RH |
2007 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, size, |
2008 | (char *) 0); | |
2009 | *pfrag = 0; | |
2010 | S_SET_SIZE (symbolP, size); | |
2011 | S_SET_SEGMENT (symbolP, bss_section); | |
2012 | subseg_set (old_sec, old_subsec); | |
2013 | demand_empty_rest_of_line (); | |
2014 | } | |
2015 | ||
2016 | /* Validate any relocations emitted for -mrelocatable, possibly adding | |
2017 | fixups for word relocations in writable segments, so we can adjust | |
2018 | them at runtime. */ | |
2019 | static void | |
98027b10 | 2020 | ppc_elf_validate_fix (fixS *fixp, segT seg) |
252b5132 RH |
2021 | { |
2022 | if (fixp->fx_done || fixp->fx_pcrel) | |
2023 | return; | |
2024 | ||
2025 | switch (shlib) | |
2026 | { | |
2027 | case SHLIB_NONE: | |
2028 | case SHLIB_PIC: | |
2029 | return; | |
2030 | ||
5d6f4f16 | 2031 | case SHLIB_MRELOCATABLE: |
252b5132 RH |
2032 | if (fixp->fx_r_type <= BFD_RELOC_UNUSED |
2033 | && fixp->fx_r_type != BFD_RELOC_16_GOTOFF | |
2034 | && fixp->fx_r_type != BFD_RELOC_HI16_GOTOFF | |
2035 | && fixp->fx_r_type != BFD_RELOC_LO16_GOTOFF | |
2036 | && fixp->fx_r_type != BFD_RELOC_HI16_S_GOTOFF | |
1cfc59d5 | 2037 | && fixp->fx_r_type != BFD_RELOC_16_BASEREL |
252b5132 RH |
2038 | && fixp->fx_r_type != BFD_RELOC_LO16_BASEREL |
2039 | && fixp->fx_r_type != BFD_RELOC_HI16_BASEREL | |
2040 | && fixp->fx_r_type != BFD_RELOC_HI16_S_BASEREL | |
e138127a | 2041 | && (seg->flags & SEC_LOAD) != 0 |
252b5132 RH |
2042 | && strcmp (segment_name (seg), ".got2") != 0 |
2043 | && strcmp (segment_name (seg), ".dtors") != 0 | |
2044 | && strcmp (segment_name (seg), ".ctors") != 0 | |
2045 | && strcmp (segment_name (seg), ".fixup") != 0 | |
252b5132 RH |
2046 | && strcmp (segment_name (seg), ".gcc_except_table") != 0 |
2047 | && strcmp (segment_name (seg), ".eh_frame") != 0 | |
2048 | && strcmp (segment_name (seg), ".ex_shared") != 0) | |
2049 | { | |
2050 | if ((seg->flags & (SEC_READONLY | SEC_CODE)) != 0 | |
2051 | || fixp->fx_r_type != BFD_RELOC_CTOR) | |
2052 | { | |
2053 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
2054 | _("Relocation cannot be done when using -mrelocatable")); | |
2055 | } | |
2056 | } | |
2057 | return; | |
2058 | } | |
2059 | } | |
0baf16f2 | 2060 | |
7e8d4ab4 AM |
2061 | /* Prevent elf_frob_file_before_adjust removing a weak undefined |
2062 | function descriptor sym if the corresponding code sym is used. */ | |
2063 | ||
2064 | void | |
98027b10 | 2065 | ppc_frob_file_before_adjust (void) |
0baf16f2 | 2066 | { |
7e8d4ab4 | 2067 | symbolS *symp; |
9232bbb0 | 2068 | asection *toc; |
0baf16f2 | 2069 | |
7e8d4ab4 AM |
2070 | if (!ppc_obj64) |
2071 | return; | |
2072 | ||
2073 | for (symp = symbol_rootP; symp; symp = symbol_next (symp)) | |
0baf16f2 | 2074 | { |
7e8d4ab4 AM |
2075 | const char *name; |
2076 | char *dotname; | |
2077 | symbolS *dotsym; | |
2078 | size_t len; | |
2079 | ||
2080 | name = S_GET_NAME (symp); | |
2081 | if (name[0] == '.') | |
2082 | continue; | |
2083 | ||
2084 | if (! S_IS_WEAK (symp) | |
2085 | || S_IS_DEFINED (symp)) | |
2086 | continue; | |
2087 | ||
2088 | len = strlen (name) + 1; | |
2089 | dotname = xmalloc (len + 1); | |
2090 | dotname[0] = '.'; | |
2091 | memcpy (dotname + 1, name, len); | |
461b725f | 2092 | dotsym = symbol_find_noref (dotname, 1); |
7e8d4ab4 AM |
2093 | free (dotname); |
2094 | if (dotsym != NULL && (symbol_used_p (dotsym) | |
2095 | || symbol_used_in_reloc_p (dotsym))) | |
670ec21d NC |
2096 | symbol_mark_used (symp); |
2097 | ||
0baf16f2 AM |
2098 | } |
2099 | ||
9232bbb0 AM |
2100 | toc = bfd_get_section_by_name (stdoutput, ".toc"); |
2101 | if (toc != NULL | |
2102 | && bfd_section_size (stdoutput, toc) > 0x10000) | |
2103 | as_warn (_("TOC section size exceeds 64k")); | |
2104 | ||
7e8d4ab4 AM |
2105 | /* Don't emit .TOC. symbol. */ |
2106 | symp = symbol_find (".TOC."); | |
2107 | if (symp != NULL) | |
2108 | symbol_remove (symp, &symbol_rootP, &symbol_lastP); | |
0baf16f2 | 2109 | } |
252b5132 RH |
2110 | #endif /* OBJ_ELF */ |
2111 | \f | |
2112 | #ifdef TE_PE | |
2113 | ||
2114 | /* | |
99a814a1 | 2115 | * Summary of parse_toc_entry. |
252b5132 RH |
2116 | * |
2117 | * in: Input_line_pointer points to the '[' in one of: | |
2118 | * | |
2119 | * [toc] [tocv] [toc32] [toc64] | |
2120 | * | |
2121 | * Anything else is an error of one kind or another. | |
2122 | * | |
81d4177b | 2123 | * out: |
252b5132 RH |
2124 | * return value: success or failure |
2125 | * toc_kind: kind of toc reference | |
2126 | * input_line_pointer: | |
2127 | * success: first char after the ']' | |
2128 | * failure: unchanged | |
2129 | * | |
2130 | * settings: | |
2131 | * | |
2132 | * [toc] - rv == success, toc_kind = default_toc | |
2133 | * [tocv] - rv == success, toc_kind = data_in_toc | |
2134 | * [toc32] - rv == success, toc_kind = must_be_32 | |
2135 | * [toc64] - rv == success, toc_kind = must_be_64 | |
2136 | * | |
2137 | */ | |
2138 | ||
81d4177b KH |
2139 | enum toc_size_qualifier |
2140 | { | |
252b5132 RH |
2141 | default_toc, /* The toc cell constructed should be the system default size */ |
2142 | data_in_toc, /* This is a direct reference to a toc cell */ | |
2143 | must_be_32, /* The toc cell constructed must be 32 bits wide */ | |
2144 | must_be_64 /* The toc cell constructed must be 64 bits wide */ | |
2145 | }; | |
2146 | ||
2147 | static int | |
98027b10 | 2148 | parse_toc_entry (enum toc_size_qualifier *toc_kind) |
252b5132 RH |
2149 | { |
2150 | char *start; | |
2151 | char *toc_spec; | |
2152 | char c; | |
2153 | enum toc_size_qualifier t; | |
2154 | ||
99a814a1 | 2155 | /* Save the input_line_pointer. */ |
252b5132 RH |
2156 | start = input_line_pointer; |
2157 | ||
99a814a1 | 2158 | /* Skip over the '[' , and whitespace. */ |
252b5132 RH |
2159 | ++input_line_pointer; |
2160 | SKIP_WHITESPACE (); | |
81d4177b | 2161 | |
99a814a1 | 2162 | /* Find the spelling of the operand. */ |
252b5132 RH |
2163 | toc_spec = input_line_pointer; |
2164 | c = get_symbol_end (); | |
2165 | ||
99a814a1 | 2166 | if (strcmp (toc_spec, "toc") == 0) |
252b5132 RH |
2167 | { |
2168 | t = default_toc; | |
2169 | } | |
99a814a1 | 2170 | else if (strcmp (toc_spec, "tocv") == 0) |
252b5132 RH |
2171 | { |
2172 | t = data_in_toc; | |
2173 | } | |
99a814a1 | 2174 | else if (strcmp (toc_spec, "toc32") == 0) |
252b5132 RH |
2175 | { |
2176 | t = must_be_32; | |
2177 | } | |
99a814a1 | 2178 | else if (strcmp (toc_spec, "toc64") == 0) |
252b5132 RH |
2179 | { |
2180 | t = must_be_64; | |
2181 | } | |
2182 | else | |
2183 | { | |
2184 | as_bad (_("syntax error: invalid toc specifier `%s'"), toc_spec); | |
99a814a1 AM |
2185 | *input_line_pointer = c; |
2186 | input_line_pointer = start; | |
252b5132 RH |
2187 | return 0; |
2188 | } | |
2189 | ||
99a814a1 AM |
2190 | /* Now find the ']'. */ |
2191 | *input_line_pointer = c; | |
252b5132 | 2192 | |
81d4177b KH |
2193 | SKIP_WHITESPACE (); /* leading whitespace could be there. */ |
2194 | c = *input_line_pointer++; /* input_line_pointer->past char in c. */ | |
252b5132 RH |
2195 | |
2196 | if (c != ']') | |
2197 | { | |
2198 | as_bad (_("syntax error: expected `]', found `%c'"), c); | |
99a814a1 | 2199 | input_line_pointer = start; |
252b5132 RH |
2200 | return 0; |
2201 | } | |
2202 | ||
99a814a1 | 2203 | *toc_kind = t; |
252b5132 RH |
2204 | return 1; |
2205 | } | |
2206 | #endif | |
2207 | \f | |
2208 | ||
dc1d03fc | 2209 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
2210 | #define APUID(a,v) ((((a) & 0xffff) << 16) | ((v) & 0xffff)) |
2211 | static void | |
98027b10 | 2212 | ppc_apuinfo_section_add (unsigned int apu, unsigned int version) |
6a0c61b7 EZ |
2213 | { |
2214 | unsigned int i; | |
2215 | ||
2216 | /* Check we don't already exist. */ | |
2217 | for (i = 0; i < ppc_apuinfo_num; i++) | |
dc1d03fc | 2218 | if (ppc_apuinfo_list[i] == APUID (apu, version)) |
6a0c61b7 | 2219 | return; |
b34976b6 | 2220 | |
6a0c61b7 EZ |
2221 | if (ppc_apuinfo_num == ppc_apuinfo_num_alloc) |
2222 | { | |
2223 | if (ppc_apuinfo_num_alloc == 0) | |
2224 | { | |
2225 | ppc_apuinfo_num_alloc = 4; | |
2226 | ppc_apuinfo_list = (unsigned long *) | |
2227 | xmalloc (sizeof (unsigned long) * ppc_apuinfo_num_alloc); | |
2228 | } | |
2229 | else | |
2230 | { | |
2231 | ppc_apuinfo_num_alloc += 4; | |
2232 | ppc_apuinfo_list = (unsigned long *) xrealloc (ppc_apuinfo_list, | |
2233 | sizeof (unsigned long) * ppc_apuinfo_num_alloc); | |
2234 | } | |
2235 | } | |
dc1d03fc | 2236 | ppc_apuinfo_list[ppc_apuinfo_num++] = APUID (apu, version); |
6a0c61b7 EZ |
2237 | } |
2238 | #undef APUID | |
dc1d03fc | 2239 | #endif |
6a0c61b7 EZ |
2240 | \f |
2241 | ||
252b5132 RH |
2242 | /* We need to keep a list of fixups. We can't simply generate them as |
2243 | we go, because that would require us to first create the frag, and | |
2244 | that would screw up references to ``.''. */ | |
2245 | ||
2246 | struct ppc_fixup | |
2247 | { | |
2248 | expressionS exp; | |
2249 | int opindex; | |
2250 | bfd_reloc_code_real_type reloc; | |
2251 | }; | |
2252 | ||
2253 | #define MAX_INSN_FIXUPS (5) | |
2254 | ||
2255 | /* This routine is called for each instruction to be assembled. */ | |
2256 | ||
2257 | void | |
98027b10 | 2258 | md_assemble (char *str) |
252b5132 RH |
2259 | { |
2260 | char *s; | |
2261 | const struct powerpc_opcode *opcode; | |
2262 | unsigned long insn; | |
2263 | const unsigned char *opindex_ptr; | |
2264 | int skip_optional; | |
2265 | int need_paren; | |
2266 | int next_opindex; | |
2267 | struct ppc_fixup fixups[MAX_INSN_FIXUPS]; | |
2268 | int fc; | |
2269 | char *f; | |
09b935ac | 2270 | int addr_mod; |
252b5132 RH |
2271 | int i; |
2272 | #ifdef OBJ_ELF | |
2273 | bfd_reloc_code_real_type reloc; | |
2274 | #endif | |
2275 | ||
2276 | /* Get the opcode. */ | |
3882b010 | 2277 | for (s = str; *s != '\0' && ! ISSPACE (*s); s++) |
252b5132 RH |
2278 | ; |
2279 | if (*s != '\0') | |
2280 | *s++ = '\0'; | |
2281 | ||
2282 | /* Look up the opcode in the hash table. */ | |
2283 | opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, str); | |
2284 | if (opcode == (const struct powerpc_opcode *) NULL) | |
2285 | { | |
2286 | const struct powerpc_macro *macro; | |
2287 | ||
2288 | macro = (const struct powerpc_macro *) hash_find (ppc_macro_hash, str); | |
2289 | if (macro == (const struct powerpc_macro *) NULL) | |
2290 | as_bad (_("Unrecognized opcode: `%s'"), str); | |
2291 | else | |
2292 | ppc_macro (s, macro); | |
2293 | ||
2294 | return; | |
2295 | } | |
2296 | ||
2297 | insn = opcode->opcode; | |
2298 | ||
2299 | str = s; | |
3882b010 | 2300 | while (ISSPACE (*str)) |
252b5132 RH |
2301 | ++str; |
2302 | ||
2303 | /* PowerPC operands are just expressions. The only real issue is | |
2304 | that a few operand types are optional. All cases which might use | |
1f6c9eb0 ZW |
2305 | an optional operand separate the operands only with commas (in some |
2306 | cases parentheses are used, as in ``lwz 1,0(1)'' but such cases never | |
2307 | have optional operands). Most instructions with optional operands | |
2308 | have only one. Those that have more than one optional operand can | |
2309 | take either all their operands or none. So, before we start seriously | |
2310 | parsing the operands, we check to see if we have optional operands, | |
2311 | and if we do, we count the number of commas to see which operands | |
2312 | have been omitted. */ | |
252b5132 RH |
2313 | skip_optional = 0; |
2314 | for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++) | |
2315 | { | |
2316 | const struct powerpc_operand *operand; | |
2317 | ||
2318 | operand = &powerpc_operands[*opindex_ptr]; | |
2319 | if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0) | |
2320 | { | |
2321 | unsigned int opcount; | |
7fe9cf6b NC |
2322 | unsigned int num_operands_expected; |
2323 | unsigned int i; | |
252b5132 RH |
2324 | |
2325 | /* There is an optional operand. Count the number of | |
2326 | commas in the input line. */ | |
2327 | if (*str == '\0') | |
2328 | opcount = 0; | |
2329 | else | |
2330 | { | |
2331 | opcount = 1; | |
2332 | s = str; | |
2333 | while ((s = strchr (s, ',')) != (char *) NULL) | |
2334 | { | |
2335 | ++opcount; | |
2336 | ++s; | |
2337 | } | |
2338 | } | |
2339 | ||
7fe9cf6b NC |
2340 | /* Compute the number of expected operands. |
2341 | Do not count fake operands. */ | |
2342 | for (num_operands_expected = 0, i = 0; opcode->operands[i]; i ++) | |
2343 | if ((powerpc_operands [opcode->operands[i]].flags & PPC_OPERAND_FAKE) == 0) | |
2344 | ++ num_operands_expected; | |
2345 | ||
252b5132 RH |
2346 | /* If there are fewer operands in the line then are called |
2347 | for by the instruction, we want to skip the optional | |
1f6c9eb0 | 2348 | operands. */ |
7fe9cf6b | 2349 | if (opcount < num_operands_expected) |
252b5132 RH |
2350 | skip_optional = 1; |
2351 | ||
2352 | break; | |
2353 | } | |
2354 | } | |
2355 | ||
2356 | /* Gather the operands. */ | |
2357 | need_paren = 0; | |
2358 | next_opindex = 0; | |
2359 | fc = 0; | |
2360 | for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++) | |
2361 | { | |
2362 | const struct powerpc_operand *operand; | |
2363 | const char *errmsg; | |
2364 | char *hold; | |
2365 | expressionS ex; | |
2366 | char endc; | |
2367 | ||
2368 | if (next_opindex == 0) | |
2369 | operand = &powerpc_operands[*opindex_ptr]; | |
2370 | else | |
2371 | { | |
2372 | operand = &powerpc_operands[next_opindex]; | |
2373 | next_opindex = 0; | |
2374 | } | |
252b5132 RH |
2375 | errmsg = NULL; |
2376 | ||
2377 | /* If this is a fake operand, then we do not expect anything | |
2378 | from the input. */ | |
2379 | if ((operand->flags & PPC_OPERAND_FAKE) != 0) | |
2380 | { | |
2b3c4602 | 2381 | insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg); |
252b5132 RH |
2382 | if (errmsg != (const char *) NULL) |
2383 | as_bad (errmsg); | |
2384 | continue; | |
2385 | } | |
2386 | ||
2387 | /* If this is an optional operand, and we are skipping it, just | |
2388 | insert a zero. */ | |
2389 | if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0 | |
2390 | && skip_optional) | |
2391 | { | |
2392 | if (operand->insert) | |
2393 | { | |
2b3c4602 | 2394 | insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg); |
252b5132 RH |
2395 | if (errmsg != (const char *) NULL) |
2396 | as_bad (errmsg); | |
2397 | } | |
2398 | if ((operand->flags & PPC_OPERAND_NEXT) != 0) | |
2399 | next_opindex = *opindex_ptr + 1; | |
2400 | continue; | |
2401 | } | |
2402 | ||
2403 | /* Gather the operand. */ | |
2404 | hold = input_line_pointer; | |
2405 | input_line_pointer = str; | |
2406 | ||
2407 | #ifdef TE_PE | |
81d4177b | 2408 | if (*input_line_pointer == '[') |
252b5132 RH |
2409 | { |
2410 | /* We are expecting something like the second argument here: | |
99a814a1 AM |
2411 | * |
2412 | * lwz r4,[toc].GS.0.static_int(rtoc) | |
2413 | * ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |
2414 | * The argument following the `]' must be a symbol name, and the | |
2415 | * register must be the toc register: 'rtoc' or '2' | |
2416 | * | |
2417 | * The effect is to 0 as the displacement field | |
2418 | * in the instruction, and issue an IMAGE_REL_PPC_TOCREL16 (or | |
2419 | * the appropriate variation) reloc against it based on the symbol. | |
2420 | * The linker will build the toc, and insert the resolved toc offset. | |
2421 | * | |
2422 | * Note: | |
2423 | * o The size of the toc entry is currently assumed to be | |
2424 | * 32 bits. This should not be assumed to be a hard coded | |
2425 | * number. | |
2426 | * o In an effort to cope with a change from 32 to 64 bits, | |
2427 | * there are also toc entries that are specified to be | |
2428 | * either 32 or 64 bits: | |
2429 | * lwz r4,[toc32].GS.0.static_int(rtoc) | |
2430 | * lwz r4,[toc64].GS.0.static_int(rtoc) | |
2431 | * These demand toc entries of the specified size, and the | |
2432 | * instruction probably requires it. | |
2433 | */ | |
252b5132 RH |
2434 | |
2435 | int valid_toc; | |
2436 | enum toc_size_qualifier toc_kind; | |
2437 | bfd_reloc_code_real_type toc_reloc; | |
2438 | ||
99a814a1 AM |
2439 | /* Go parse off the [tocXX] part. */ |
2440 | valid_toc = parse_toc_entry (&toc_kind); | |
252b5132 | 2441 | |
81d4177b | 2442 | if (!valid_toc) |
252b5132 | 2443 | { |
99a814a1 AM |
2444 | /* Note: message has already been issued. |
2445 | FIXME: what sort of recovery should we do? | |
2446 | demand_rest_of_line (); return; ? */ | |
252b5132 RH |
2447 | } |
2448 | ||
99a814a1 AM |
2449 | /* Now get the symbol following the ']'. */ |
2450 | expression (&ex); | |
252b5132 RH |
2451 | |
2452 | switch (toc_kind) | |
2453 | { | |
2454 | case default_toc: | |
99a814a1 AM |
2455 | /* In this case, we may not have seen the symbol yet, |
2456 | since it is allowed to appear on a .extern or .globl | |
2457 | or just be a label in the .data section. */ | |
252b5132 RH |
2458 | toc_reloc = BFD_RELOC_PPC_TOC16; |
2459 | break; | |
2460 | case data_in_toc: | |
99a814a1 AM |
2461 | /* 1. The symbol must be defined and either in the toc |
2462 | section, or a global. | |
2463 | 2. The reloc generated must have the TOCDEFN flag set | |
2464 | in upper bit mess of the reloc type. | |
2465 | FIXME: It's a little confusing what the tocv | |
2466 | qualifier can be used for. At the very least, I've | |
2467 | seen three uses, only one of which I'm sure I can | |
2468 | explain. */ | |
81d4177b KH |
2469 | if (ex.X_op == O_symbol) |
2470 | { | |
252b5132 | 2471 | assert (ex.X_add_symbol != NULL); |
fed9b18a ILT |
2472 | if (symbol_get_bfdsym (ex.X_add_symbol)->section |
2473 | != tocdata_section) | |
252b5132 | 2474 | { |
99a814a1 | 2475 | as_bad (_("[tocv] symbol is not a toc symbol")); |
252b5132 RH |
2476 | } |
2477 | } | |
2478 | ||
2479 | toc_reloc = BFD_RELOC_PPC_TOC16; | |
2480 | break; | |
2481 | case must_be_32: | |
99a814a1 AM |
2482 | /* FIXME: these next two specifically specify 32/64 bit |
2483 | toc entries. We don't support them today. Is this | |
2484 | the right way to say that? */ | |
252b5132 RH |
2485 | toc_reloc = BFD_RELOC_UNUSED; |
2486 | as_bad (_("Unimplemented toc32 expression modifier")); | |
2487 | break; | |
2488 | case must_be_64: | |
99a814a1 | 2489 | /* FIXME: see above. */ |
252b5132 RH |
2490 | toc_reloc = BFD_RELOC_UNUSED; |
2491 | as_bad (_("Unimplemented toc64 expression modifier")); | |
2492 | break; | |
2493 | default: | |
bc805888 | 2494 | fprintf (stderr, |
99a814a1 AM |
2495 | _("Unexpected return value [%d] from parse_toc_entry!\n"), |
2496 | toc_kind); | |
bc805888 | 2497 | abort (); |
252b5132 RH |
2498 | break; |
2499 | } | |
2500 | ||
2501 | /* We need to generate a fixup for this expression. */ | |
2502 | if (fc >= MAX_INSN_FIXUPS) | |
2503 | as_fatal (_("too many fixups")); | |
2504 | ||
2505 | fixups[fc].reloc = toc_reloc; | |
2506 | fixups[fc].exp = ex; | |
2507 | fixups[fc].opindex = *opindex_ptr; | |
2508 | ++fc; | |
2509 | ||
99a814a1 AM |
2510 | /* Ok. We've set up the fixup for the instruction. Now make it |
2511 | look like the constant 0 was found here. */ | |
252b5132 RH |
2512 | ex.X_unsigned = 1; |
2513 | ex.X_op = O_constant; | |
2514 | ex.X_add_number = 0; | |
2515 | ex.X_add_symbol = NULL; | |
2516 | ex.X_op_symbol = NULL; | |
2517 | } | |
2518 | ||
2519 | else | |
2520 | #endif /* TE_PE */ | |
2521 | { | |
2ad068be AM |
2522 | if ((reg_names_p && (operand->flags & PPC_OPERAND_CR) != 0) |
2523 | || !register_name (&ex)) | |
252b5132 | 2524 | { |
13abbae3 AM |
2525 | char save_lex = lex_type['%']; |
2526 | ||
252b5132 | 2527 | if ((operand->flags & PPC_OPERAND_CR) != 0) |
13abbae3 AM |
2528 | { |
2529 | cr_operand = TRUE; | |
2530 | lex_type['%'] |= LEX_BEGIN_NAME; | |
2531 | } | |
252b5132 | 2532 | expression (&ex); |
b34976b6 | 2533 | cr_operand = FALSE; |
13abbae3 | 2534 | lex_type['%'] = save_lex; |
252b5132 RH |
2535 | } |
2536 | } | |
2537 | ||
2538 | str = input_line_pointer; | |
2539 | input_line_pointer = hold; | |
2540 | ||
2541 | if (ex.X_op == O_illegal) | |
2542 | as_bad (_("illegal operand")); | |
2543 | else if (ex.X_op == O_absent) | |
2544 | as_bad (_("missing operand")); | |
2545 | else if (ex.X_op == O_register) | |
2546 | { | |
2547 | insn = ppc_insert_operand (insn, operand, ex.X_add_number, | |
783de163 | 2548 | ppc_cpu, (char *) NULL, 0); |
252b5132 RH |
2549 | } |
2550 | else if (ex.X_op == O_constant) | |
2551 | { | |
2552 | #ifdef OBJ_ELF | |
81d4177b | 2553 | /* Allow @HA, @L, @H on constants. */ |
252b5132 RH |
2554 | char *orig_str = str; |
2555 | ||
2556 | if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED) | |
2557 | switch (reloc) | |
2558 | { | |
2559 | default: | |
2560 | str = orig_str; | |
2561 | break; | |
2562 | ||
2563 | case BFD_RELOC_LO16: | |
2564 | /* X_unsigned is the default, so if the user has done | |
0baf16f2 AM |
2565 | something which cleared it, we always produce a |
2566 | signed value. */ | |
2567 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
252b5132 RH |
2568 | ex.X_add_number &= 0xffff; |
2569 | else | |
0baf16f2 | 2570 | ex.X_add_number = SEX16 (ex.X_add_number); |
252b5132 RH |
2571 | break; |
2572 | ||
2573 | case BFD_RELOC_HI16: | |
0baf16f2 AM |
2574 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) |
2575 | ex.X_add_number = PPC_HI (ex.X_add_number); | |
2576 | else | |
2577 | ex.X_add_number = SEX16 (PPC_HI (ex.X_add_number)); | |
252b5132 RH |
2578 | break; |
2579 | ||
2580 | case BFD_RELOC_HI16_S: | |
0baf16f2 AM |
2581 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) |
2582 | ex.X_add_number = PPC_HA (ex.X_add_number); | |
2583 | else | |
2584 | ex.X_add_number = SEX16 (PPC_HA (ex.X_add_number)); | |
2585 | break; | |
2586 | ||
0baf16f2 AM |
2587 | case BFD_RELOC_PPC64_HIGHER: |
2588 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2589 | ex.X_add_number = PPC_HIGHER (ex.X_add_number); | |
2590 | else | |
2591 | ex.X_add_number = SEX16 (PPC_HIGHER (ex.X_add_number)); | |
2592 | break; | |
2593 | ||
2594 | case BFD_RELOC_PPC64_HIGHER_S: | |
2595 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2596 | ex.X_add_number = PPC_HIGHERA (ex.X_add_number); | |
2597 | else | |
2598 | ex.X_add_number = SEX16 (PPC_HIGHERA (ex.X_add_number)); | |
252b5132 | 2599 | break; |
0baf16f2 AM |
2600 | |
2601 | case BFD_RELOC_PPC64_HIGHEST: | |
2602 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2603 | ex.X_add_number = PPC_HIGHEST (ex.X_add_number); | |
2604 | else | |
2605 | ex.X_add_number = SEX16 (PPC_HIGHEST (ex.X_add_number)); | |
2606 | break; | |
2607 | ||
2608 | case BFD_RELOC_PPC64_HIGHEST_S: | |
2609 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2610 | ex.X_add_number = PPC_HIGHESTA (ex.X_add_number); | |
2611 | else | |
2612 | ex.X_add_number = SEX16 (PPC_HIGHESTA (ex.X_add_number)); | |
2613 | break; | |
252b5132 | 2614 | } |
0baf16f2 | 2615 | #endif /* OBJ_ELF */ |
252b5132 | 2616 | insn = ppc_insert_operand (insn, operand, ex.X_add_number, |
783de163 | 2617 | ppc_cpu, (char *) NULL, 0); |
252b5132 RH |
2618 | } |
2619 | #ifdef OBJ_ELF | |
2620 | else if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED) | |
2621 | { | |
cdba85ec AM |
2622 | /* Some TLS tweaks. */ |
2623 | switch (reloc) | |
2624 | { | |
2625 | default: | |
2626 | break; | |
2627 | case BFD_RELOC_PPC_TLS: | |
2628 | insn = ppc_insert_operand (insn, operand, ppc_obj64 ? 13 : 2, | |
783de163 | 2629 | ppc_cpu, (char *) NULL, 0); |
cdba85ec AM |
2630 | break; |
2631 | /* We'll only use the 32 (or 64) bit form of these relocations | |
2632 | in constants. Instructions get the 16 bit form. */ | |
2633 | case BFD_RELOC_PPC_DTPREL: | |
2634 | reloc = BFD_RELOC_PPC_DTPREL16; | |
2635 | break; | |
2636 | case BFD_RELOC_PPC_TPREL: | |
2637 | reloc = BFD_RELOC_PPC_TPREL16; | |
2638 | break; | |
2639 | } | |
2640 | ||
99a814a1 AM |
2641 | /* For the absolute forms of branches, convert the PC |
2642 | relative form back into the absolute. */ | |
252b5132 RH |
2643 | if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0) |
2644 | { | |
2645 | switch (reloc) | |
2646 | { | |
2647 | case BFD_RELOC_PPC_B26: | |
2648 | reloc = BFD_RELOC_PPC_BA26; | |
2649 | break; | |
2650 | case BFD_RELOC_PPC_B16: | |
2651 | reloc = BFD_RELOC_PPC_BA16; | |
2652 | break; | |
2653 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
2654 | reloc = BFD_RELOC_PPC_BA16_BRTAKEN; | |
2655 | break; | |
2656 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
2657 | reloc = BFD_RELOC_PPC_BA16_BRNTAKEN; | |
2658 | break; | |
2659 | default: | |
2660 | break; | |
2661 | } | |
2662 | } | |
2663 | ||
2b3c4602 | 2664 | if (ppc_obj64 |
adadcc0c | 2665 | && (operand->flags & (PPC_OPERAND_DS | PPC_OPERAND_DQ)) != 0) |
0baf16f2 AM |
2666 | { |
2667 | switch (reloc) | |
2668 | { | |
2669 | case BFD_RELOC_16: | |
2670 | reloc = BFD_RELOC_PPC64_ADDR16_DS; | |
2671 | break; | |
2672 | case BFD_RELOC_LO16: | |
2673 | reloc = BFD_RELOC_PPC64_ADDR16_LO_DS; | |
2674 | break; | |
2675 | case BFD_RELOC_16_GOTOFF: | |
2676 | reloc = BFD_RELOC_PPC64_GOT16_DS; | |
2677 | break; | |
2678 | case BFD_RELOC_LO16_GOTOFF: | |
2679 | reloc = BFD_RELOC_PPC64_GOT16_LO_DS; | |
2680 | break; | |
2681 | case BFD_RELOC_LO16_PLTOFF: | |
2682 | reloc = BFD_RELOC_PPC64_PLT16_LO_DS; | |
2683 | break; | |
1cfc59d5 | 2684 | case BFD_RELOC_16_BASEREL: |
0baf16f2 AM |
2685 | reloc = BFD_RELOC_PPC64_SECTOFF_DS; |
2686 | break; | |
2687 | case BFD_RELOC_LO16_BASEREL: | |
2688 | reloc = BFD_RELOC_PPC64_SECTOFF_LO_DS; | |
2689 | break; | |
2690 | case BFD_RELOC_PPC_TOC16: | |
2691 | reloc = BFD_RELOC_PPC64_TOC16_DS; | |
2692 | break; | |
2693 | case BFD_RELOC_PPC64_TOC16_LO: | |
2694 | reloc = BFD_RELOC_PPC64_TOC16_LO_DS; | |
2695 | break; | |
2696 | case BFD_RELOC_PPC64_PLTGOT16: | |
2697 | reloc = BFD_RELOC_PPC64_PLTGOT16_DS; | |
2698 | break; | |
2699 | case BFD_RELOC_PPC64_PLTGOT16_LO: | |
2700 | reloc = BFD_RELOC_PPC64_PLTGOT16_LO_DS; | |
2701 | break; | |
cdba85ec AM |
2702 | case BFD_RELOC_PPC_DTPREL16: |
2703 | reloc = BFD_RELOC_PPC64_DTPREL16_DS; | |
2704 | break; | |
2705 | case BFD_RELOC_PPC_DTPREL16_LO: | |
2706 | reloc = BFD_RELOC_PPC64_DTPREL16_LO_DS; | |
2707 | break; | |
2708 | case BFD_RELOC_PPC_TPREL16: | |
2709 | reloc = BFD_RELOC_PPC64_TPREL16_DS; | |
2710 | break; | |
2711 | case BFD_RELOC_PPC_TPREL16_LO: | |
2712 | reloc = BFD_RELOC_PPC64_TPREL16_LO_DS; | |
2713 | break; | |
2714 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
2715 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
2716 | case BFD_RELOC_PPC_GOT_TPREL16: | |
2717 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
2718 | break; | |
0baf16f2 AM |
2719 | default: |
2720 | as_bad (_("unsupported relocation for DS offset field")); | |
2721 | break; | |
2722 | } | |
2723 | } | |
2724 | ||
252b5132 RH |
2725 | /* We need to generate a fixup for this expression. */ |
2726 | if (fc >= MAX_INSN_FIXUPS) | |
2727 | as_fatal (_("too many fixups")); | |
2728 | fixups[fc].exp = ex; | |
2729 | fixups[fc].opindex = 0; | |
2730 | fixups[fc].reloc = reloc; | |
2731 | ++fc; | |
2732 | } | |
2733 | #endif /* OBJ_ELF */ | |
2734 | ||
2735 | else | |
2736 | { | |
2737 | /* We need to generate a fixup for this expression. */ | |
2738 | if (fc >= MAX_INSN_FIXUPS) | |
2739 | as_fatal (_("too many fixups")); | |
2740 | fixups[fc].exp = ex; | |
2741 | fixups[fc].opindex = *opindex_ptr; | |
2742 | fixups[fc].reloc = BFD_RELOC_UNUSED; | |
2743 | ++fc; | |
2744 | } | |
2745 | ||
2746 | if (need_paren) | |
2747 | { | |
2748 | endc = ')'; | |
2749 | need_paren = 0; | |
c3d65c1c BE |
2750 | /* If expecting more operands, then we want to see "),". */ |
2751 | if (*str == endc && opindex_ptr[1] != 0) | |
2752 | { | |
2753 | do | |
2754 | ++str; | |
2755 | while (ISSPACE (*str)); | |
2756 | endc = ','; | |
2757 | } | |
252b5132 RH |
2758 | } |
2759 | else if ((operand->flags & PPC_OPERAND_PARENS) != 0) | |
2760 | { | |
2761 | endc = '('; | |
2762 | need_paren = 1; | |
2763 | } | |
2764 | else | |
2765 | endc = ','; | |
2766 | ||
2767 | /* The call to expression should have advanced str past any | |
2768 | whitespace. */ | |
2769 | if (*str != endc | |
2770 | && (endc != ',' || *str != '\0')) | |
2771 | { | |
2772 | as_bad (_("syntax error; found `%c' but expected `%c'"), *str, endc); | |
2773 | break; | |
2774 | } | |
2775 | ||
2776 | if (*str != '\0') | |
2777 | ++str; | |
2778 | } | |
2779 | ||
3882b010 | 2780 | while (ISSPACE (*str)) |
252b5132 RH |
2781 | ++str; |
2782 | ||
2783 | if (*str != '\0') | |
2784 | as_bad (_("junk at end of line: `%s'"), str); | |
2785 | ||
dc1d03fc | 2786 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
2787 | /* Do we need/want a APUinfo section? */ |
2788 | if (ppc_cpu & (PPC_OPCODE_SPE | |
2789 | | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | |
2790 | | PPC_OPCODE_BRLOCK | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | |
2791 | | PPC_OPCODE_RFMCI)) | |
2792 | { | |
2793 | /* These are all version "1". */ | |
2794 | if (opcode->flags & PPC_OPCODE_SPE) | |
b34976b6 | 2795 | ppc_apuinfo_section_add (PPC_APUINFO_SPE, 1); |
6a0c61b7 | 2796 | if (opcode->flags & PPC_OPCODE_ISEL) |
b34976b6 | 2797 | ppc_apuinfo_section_add (PPC_APUINFO_ISEL, 1); |
6a0c61b7 | 2798 | if (opcode->flags & PPC_OPCODE_EFS) |
b34976b6 | 2799 | ppc_apuinfo_section_add (PPC_APUINFO_EFS, 1); |
6a0c61b7 | 2800 | if (opcode->flags & PPC_OPCODE_BRLOCK) |
b34976b6 | 2801 | ppc_apuinfo_section_add (PPC_APUINFO_BRLOCK, 1); |
6a0c61b7 | 2802 | if (opcode->flags & PPC_OPCODE_PMR) |
b34976b6 | 2803 | ppc_apuinfo_section_add (PPC_APUINFO_PMR, 1); |
6a0c61b7 | 2804 | if (opcode->flags & PPC_OPCODE_CACHELCK) |
b34976b6 | 2805 | ppc_apuinfo_section_add (PPC_APUINFO_CACHELCK, 1); |
6a0c61b7 | 2806 | if (opcode->flags & PPC_OPCODE_RFMCI) |
b34976b6 | 2807 | ppc_apuinfo_section_add (PPC_APUINFO_RFMCI, 1); |
6a0c61b7 | 2808 | } |
dc1d03fc | 2809 | #endif |
6a0c61b7 | 2810 | |
252b5132 RH |
2811 | /* Write out the instruction. */ |
2812 | f = frag_more (4); | |
09b935ac AM |
2813 | addr_mod = frag_now_fix () & 3; |
2814 | if (frag_now->has_code && frag_now->insn_addr != addr_mod) | |
2815 | as_bad (_("instruction address is not a multiple of 4")); | |
2816 | frag_now->insn_addr = addr_mod; | |
2817 | frag_now->has_code = 1; | |
252b5132 RH |
2818 | md_number_to_chars (f, insn, 4); |
2819 | ||
5d6f4f16 GK |
2820 | #ifdef OBJ_ELF |
2821 | dwarf2_emit_insn (4); | |
2822 | #endif | |
2823 | ||
252b5132 RH |
2824 | /* Create any fixups. At this point we do not use a |
2825 | bfd_reloc_code_real_type, but instead just use the | |
2826 | BFD_RELOC_UNUSED plus the operand index. This lets us easily | |
2827 | handle fixups for any operand type, although that is admittedly | |
2828 | not a very exciting feature. We pick a BFD reloc type in | |
55cf6793 | 2829 | md_apply_fix. */ |
252b5132 RH |
2830 | for (i = 0; i < fc; i++) |
2831 | { | |
2832 | const struct powerpc_operand *operand; | |
2833 | ||
2834 | operand = &powerpc_operands[fixups[i].opindex]; | |
2835 | if (fixups[i].reloc != BFD_RELOC_UNUSED) | |
2836 | { | |
99a814a1 | 2837 | reloc_howto_type *reloc_howto; |
252b5132 RH |
2838 | int size; |
2839 | int offset; | |
2840 | fixS *fixP; | |
2841 | ||
99a814a1 | 2842 | reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc); |
252b5132 RH |
2843 | if (!reloc_howto) |
2844 | abort (); | |
2845 | ||
2846 | size = bfd_get_reloc_size (reloc_howto); | |
2847 | offset = target_big_endian ? (4 - size) : 0; | |
2848 | ||
2849 | if (size < 1 || size > 4) | |
bc805888 | 2850 | abort (); |
252b5132 | 2851 | |
99a814a1 AM |
2852 | fixP = fix_new_exp (frag_now, |
2853 | f - frag_now->fr_literal + offset, | |
2854 | size, | |
2855 | &fixups[i].exp, | |
2856 | reloc_howto->pc_relative, | |
252b5132 RH |
2857 | fixups[i].reloc); |
2858 | ||
2859 | /* Turn off complaints that the addend is too large for things like | |
2860 | foo+100000@ha. */ | |
2861 | switch (fixups[i].reloc) | |
2862 | { | |
2863 | case BFD_RELOC_16_GOTOFF: | |
2864 | case BFD_RELOC_PPC_TOC16: | |
2865 | case BFD_RELOC_LO16: | |
2866 | case BFD_RELOC_HI16: | |
2867 | case BFD_RELOC_HI16_S: | |
0baf16f2 | 2868 | #ifdef OBJ_ELF |
0baf16f2 AM |
2869 | case BFD_RELOC_PPC64_HIGHER: |
2870 | case BFD_RELOC_PPC64_HIGHER_S: | |
2871 | case BFD_RELOC_PPC64_HIGHEST: | |
2872 | case BFD_RELOC_PPC64_HIGHEST_S: | |
0baf16f2 | 2873 | #endif |
252b5132 RH |
2874 | fixP->fx_no_overflow = 1; |
2875 | break; | |
2876 | default: | |
2877 | break; | |
2878 | } | |
2879 | } | |
2880 | else | |
99a814a1 AM |
2881 | fix_new_exp (frag_now, |
2882 | f - frag_now->fr_literal, | |
2883 | 4, | |
252b5132 RH |
2884 | &fixups[i].exp, |
2885 | (operand->flags & PPC_OPERAND_RELATIVE) != 0, | |
2886 | ((bfd_reloc_code_real_type) | |
99a814a1 | 2887 | (fixups[i].opindex + (int) BFD_RELOC_UNUSED))); |
252b5132 RH |
2888 | } |
2889 | } | |
2890 | ||
2891 | /* Handle a macro. Gather all the operands, transform them as | |
2892 | described by the macro, and call md_assemble recursively. All the | |
2893 | operands are separated by commas; we don't accept parentheses | |
2894 | around operands here. */ | |
2895 | ||
2896 | static void | |
98027b10 | 2897 | ppc_macro (char *str, const struct powerpc_macro *macro) |
252b5132 RH |
2898 | { |
2899 | char *operands[10]; | |
2900 | unsigned int count; | |
2901 | char *s; | |
2902 | unsigned int len; | |
2903 | const char *format; | |
db557034 | 2904 | unsigned int arg; |
252b5132 RH |
2905 | char *send; |
2906 | char *complete; | |
2907 | ||
2908 | /* Gather the users operands into the operands array. */ | |
2909 | count = 0; | |
2910 | s = str; | |
2911 | while (1) | |
2912 | { | |
2913 | if (count >= sizeof operands / sizeof operands[0]) | |
2914 | break; | |
2915 | operands[count++] = s; | |
2916 | s = strchr (s, ','); | |
2917 | if (s == (char *) NULL) | |
2918 | break; | |
2919 | *s++ = '\0'; | |
81d4177b | 2920 | } |
252b5132 RH |
2921 | |
2922 | if (count != macro->operands) | |
2923 | { | |
2924 | as_bad (_("wrong number of operands")); | |
2925 | return; | |
2926 | } | |
2927 | ||
2928 | /* Work out how large the string must be (the size is unbounded | |
2929 | because it includes user input). */ | |
2930 | len = 0; | |
2931 | format = macro->format; | |
2932 | while (*format != '\0') | |
2933 | { | |
2934 | if (*format != '%') | |
2935 | { | |
2936 | ++len; | |
2937 | ++format; | |
2938 | } | |
2939 | else | |
2940 | { | |
2941 | arg = strtol (format + 1, &send, 10); | |
db557034 | 2942 | know (send != format && arg < count); |
252b5132 RH |
2943 | len += strlen (operands[arg]); |
2944 | format = send; | |
2945 | } | |
2946 | } | |
2947 | ||
2948 | /* Put the string together. */ | |
2949 | complete = s = (char *) alloca (len + 1); | |
2950 | format = macro->format; | |
2951 | while (*format != '\0') | |
2952 | { | |
2953 | if (*format != '%') | |
2954 | *s++ = *format++; | |
2955 | else | |
2956 | { | |
2957 | arg = strtol (format + 1, &send, 10); | |
2958 | strcpy (s, operands[arg]); | |
2959 | s += strlen (s); | |
2960 | format = send; | |
2961 | } | |
2962 | } | |
2963 | *s = '\0'; | |
2964 | ||
2965 | /* Assemble the constructed instruction. */ | |
2966 | md_assemble (complete); | |
81d4177b | 2967 | } |
252b5132 RH |
2968 | \f |
2969 | #ifdef OBJ_ELF | |
99a814a1 | 2970 | /* For ELF, add support for SHF_EXCLUDE and SHT_ORDERED. */ |
252b5132 RH |
2971 | |
2972 | int | |
98027b10 | 2973 | ppc_section_letter (int letter, char **ptr_msg) |
252b5132 RH |
2974 | { |
2975 | if (letter == 'e') | |
2976 | return SHF_EXCLUDE; | |
2977 | ||
13ae64f3 | 2978 | *ptr_msg = _("Bad .section directive: want a,e,w,x,M,S,G,T in string"); |
711ef82f | 2979 | return -1; |
252b5132 RH |
2980 | } |
2981 | ||
2982 | int | |
98027b10 | 2983 | ppc_section_word (char *str, size_t len) |
252b5132 | 2984 | { |
9de8d8f1 RH |
2985 | if (len == 7 && strncmp (str, "exclude", 7) == 0) |
2986 | return SHF_EXCLUDE; | |
252b5132 | 2987 | |
9de8d8f1 | 2988 | return -1; |
252b5132 RH |
2989 | } |
2990 | ||
2991 | int | |
98027b10 | 2992 | ppc_section_type (char *str, size_t len) |
252b5132 | 2993 | { |
9de8d8f1 RH |
2994 | if (len == 7 && strncmp (str, "ordered", 7) == 0) |
2995 | return SHT_ORDERED; | |
252b5132 | 2996 | |
9de8d8f1 | 2997 | return -1; |
252b5132 RH |
2998 | } |
2999 | ||
3000 | int | |
98027b10 | 3001 | ppc_section_flags (int flags, int attr, int type) |
252b5132 RH |
3002 | { |
3003 | if (type == SHT_ORDERED) | |
3004 | flags |= SEC_ALLOC | SEC_LOAD | SEC_SORT_ENTRIES; | |
3005 | ||
3006 | if (attr & SHF_EXCLUDE) | |
3007 | flags |= SEC_EXCLUDE; | |
3008 | ||
3009 | return flags; | |
3010 | } | |
3011 | #endif /* OBJ_ELF */ | |
3012 | ||
3013 | \f | |
3014 | /* Pseudo-op handling. */ | |
3015 | ||
3016 | /* The .byte pseudo-op. This is similar to the normal .byte | |
3017 | pseudo-op, but it can also take a single ASCII string. */ | |
3018 | ||
3019 | static void | |
98027b10 | 3020 | ppc_byte (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3021 | { |
3022 | if (*input_line_pointer != '\"') | |
3023 | { | |
3024 | cons (1); | |
3025 | return; | |
3026 | } | |
3027 | ||
3028 | /* Gather characters. A real double quote is doubled. Unusual | |
3029 | characters are not permitted. */ | |
3030 | ++input_line_pointer; | |
3031 | while (1) | |
3032 | { | |
3033 | char c; | |
3034 | ||
3035 | c = *input_line_pointer++; | |
3036 | ||
3037 | if (c == '\"') | |
3038 | { | |
3039 | if (*input_line_pointer != '\"') | |
3040 | break; | |
3041 | ++input_line_pointer; | |
3042 | } | |
3043 | ||
3044 | FRAG_APPEND_1_CHAR (c); | |
3045 | } | |
3046 | ||
3047 | demand_empty_rest_of_line (); | |
3048 | } | |
3049 | \f | |
3050 | #ifdef OBJ_XCOFF | |
3051 | ||
3052 | /* XCOFF specific pseudo-op handling. */ | |
3053 | ||
3054 | /* This is set if we are creating a .stabx symbol, since we don't want | |
3055 | to handle symbol suffixes for such symbols. */ | |
b34976b6 | 3056 | static bfd_boolean ppc_stab_symbol; |
252b5132 RH |
3057 | |
3058 | /* The .comm and .lcomm pseudo-ops for XCOFF. XCOFF puts common | |
3059 | symbols in the .bss segment as though they were local common | |
67c1ffbe | 3060 | symbols, and uses a different smclas. The native Aix 4.3.3 assembler |
1ad63b2f | 3061 | aligns .comm and .lcomm to 4 bytes. */ |
252b5132 RH |
3062 | |
3063 | static void | |
98027b10 | 3064 | ppc_comm (int lcomm) |
252b5132 RH |
3065 | { |
3066 | asection *current_seg = now_seg; | |
3067 | subsegT current_subseg = now_subseg; | |
3068 | char *name; | |
3069 | char endc; | |
3070 | char *end_name; | |
3071 | offsetT size; | |
3072 | offsetT align; | |
3073 | symbolS *lcomm_sym = NULL; | |
3074 | symbolS *sym; | |
3075 | char *pfrag; | |
3076 | ||
3077 | name = input_line_pointer; | |
3078 | endc = get_symbol_end (); | |
3079 | end_name = input_line_pointer; | |
3080 | *end_name = endc; | |
3081 | ||
3082 | if (*input_line_pointer != ',') | |
3083 | { | |
3084 | as_bad (_("missing size")); | |
3085 | ignore_rest_of_line (); | |
3086 | return; | |
3087 | } | |
3088 | ++input_line_pointer; | |
3089 | ||
3090 | size = get_absolute_expression (); | |
3091 | if (size < 0) | |
3092 | { | |
3093 | as_bad (_("negative size")); | |
3094 | ignore_rest_of_line (); | |
3095 | return; | |
3096 | } | |
3097 | ||
3098 | if (! lcomm) | |
3099 | { | |
3100 | /* The third argument to .comm is the alignment. */ | |
3101 | if (*input_line_pointer != ',') | |
1ad63b2f | 3102 | align = 2; |
252b5132 RH |
3103 | else |
3104 | { | |
3105 | ++input_line_pointer; | |
3106 | align = get_absolute_expression (); | |
3107 | if (align <= 0) | |
3108 | { | |
3109 | as_warn (_("ignoring bad alignment")); | |
1ad63b2f | 3110 | align = 2; |
252b5132 RH |
3111 | } |
3112 | } | |
3113 | } | |
3114 | else | |
3115 | { | |
3116 | char *lcomm_name; | |
3117 | char lcomm_endc; | |
3118 | ||
1ad63b2f | 3119 | if (size <= 4) |
252b5132 RH |
3120 | align = 2; |
3121 | else | |
3122 | align = 3; | |
3123 | ||
3124 | /* The third argument to .lcomm appears to be the real local | |
3125 | common symbol to create. References to the symbol named in | |
3126 | the first argument are turned into references to the third | |
3127 | argument. */ | |
3128 | if (*input_line_pointer != ',') | |
3129 | { | |
3130 | as_bad (_("missing real symbol name")); | |
3131 | ignore_rest_of_line (); | |
3132 | return; | |
3133 | } | |
3134 | ++input_line_pointer; | |
3135 | ||
3136 | lcomm_name = input_line_pointer; | |
3137 | lcomm_endc = get_symbol_end (); | |
81d4177b | 3138 | |
252b5132 RH |
3139 | lcomm_sym = symbol_find_or_make (lcomm_name); |
3140 | ||
3141 | *input_line_pointer = lcomm_endc; | |
3142 | } | |
3143 | ||
3144 | *end_name = '\0'; | |
3145 | sym = symbol_find_or_make (name); | |
3146 | *end_name = endc; | |
3147 | ||
3148 | if (S_IS_DEFINED (sym) | |
3149 | || S_GET_VALUE (sym) != 0) | |
3150 | { | |
3151 | as_bad (_("attempt to redefine symbol")); | |
3152 | ignore_rest_of_line (); | |
3153 | return; | |
3154 | } | |
81d4177b | 3155 | |
252b5132 | 3156 | record_alignment (bss_section, align); |
81d4177b | 3157 | |
252b5132 RH |
3158 | if (! lcomm |
3159 | || ! S_IS_DEFINED (lcomm_sym)) | |
3160 | { | |
3161 | symbolS *def_sym; | |
3162 | offsetT def_size; | |
3163 | ||
3164 | if (! lcomm) | |
3165 | { | |
3166 | def_sym = sym; | |
3167 | def_size = size; | |
3168 | S_SET_EXTERNAL (sym); | |
3169 | } | |
3170 | else | |
3171 | { | |
809ffe0d | 3172 | symbol_get_tc (lcomm_sym)->output = 1; |
252b5132 RH |
3173 | def_sym = lcomm_sym; |
3174 | def_size = 0; | |
3175 | } | |
3176 | ||
3177 | subseg_set (bss_section, 1); | |
3178 | frag_align (align, 0, 0); | |
81d4177b | 3179 | |
809ffe0d | 3180 | symbol_set_frag (def_sym, frag_now); |
252b5132 RH |
3181 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, def_sym, |
3182 | def_size, (char *) NULL); | |
3183 | *pfrag = 0; | |
3184 | S_SET_SEGMENT (def_sym, bss_section); | |
809ffe0d | 3185 | symbol_get_tc (def_sym)->align = align; |
252b5132 RH |
3186 | } |
3187 | else if (lcomm) | |
3188 | { | |
3189 | /* Align the size of lcomm_sym. */ | |
809ffe0d ILT |
3190 | symbol_get_frag (lcomm_sym)->fr_offset = |
3191 | ((symbol_get_frag (lcomm_sym)->fr_offset + (1 << align) - 1) | |
252b5132 | 3192 | &~ ((1 << align) - 1)); |
809ffe0d ILT |
3193 | if (align > symbol_get_tc (lcomm_sym)->align) |
3194 | symbol_get_tc (lcomm_sym)->align = align; | |
252b5132 RH |
3195 | } |
3196 | ||
3197 | if (lcomm) | |
3198 | { | |
3199 | /* Make sym an offset from lcomm_sym. */ | |
3200 | S_SET_SEGMENT (sym, bss_section); | |
809ffe0d ILT |
3201 | symbol_set_frag (sym, symbol_get_frag (lcomm_sym)); |
3202 | S_SET_VALUE (sym, symbol_get_frag (lcomm_sym)->fr_offset); | |
3203 | symbol_get_frag (lcomm_sym)->fr_offset += size; | |
252b5132 RH |
3204 | } |
3205 | ||
3206 | subseg_set (current_seg, current_subseg); | |
3207 | ||
3208 | demand_empty_rest_of_line (); | |
3209 | } | |
3210 | ||
3211 | /* The .csect pseudo-op. This switches us into a different | |
3212 | subsegment. The first argument is a symbol whose value is the | |
3213 | start of the .csect. In COFF, csect symbols get special aux | |
3214 | entries defined by the x_csect field of union internal_auxent. The | |
3215 | optional second argument is the alignment (the default is 2). */ | |
3216 | ||
3217 | static void | |
98027b10 | 3218 | ppc_csect (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3219 | { |
3220 | char *name; | |
3221 | char endc; | |
3222 | symbolS *sym; | |
931e13a6 | 3223 | offsetT align; |
252b5132 RH |
3224 | |
3225 | name = input_line_pointer; | |
3226 | endc = get_symbol_end (); | |
81d4177b | 3227 | |
252b5132 RH |
3228 | sym = symbol_find_or_make (name); |
3229 | ||
3230 | *input_line_pointer = endc; | |
3231 | ||
3232 | if (S_GET_NAME (sym)[0] == '\0') | |
3233 | { | |
3234 | /* An unnamed csect is assumed to be [PR]. */ | |
809ffe0d | 3235 | symbol_get_tc (sym)->class = XMC_PR; |
252b5132 RH |
3236 | } |
3237 | ||
931e13a6 | 3238 | align = 2; |
252b5132 RH |
3239 | if (*input_line_pointer == ',') |
3240 | { | |
3241 | ++input_line_pointer; | |
931e13a6 | 3242 | align = get_absolute_expression (); |
252b5132 RH |
3243 | } |
3244 | ||
931e13a6 AM |
3245 | ppc_change_csect (sym, align); |
3246 | ||
252b5132 RH |
3247 | demand_empty_rest_of_line (); |
3248 | } | |
3249 | ||
3250 | /* Change to a different csect. */ | |
3251 | ||
3252 | static void | |
98027b10 | 3253 | ppc_change_csect (symbolS *sym, offsetT align) |
252b5132 RH |
3254 | { |
3255 | if (S_IS_DEFINED (sym)) | |
809ffe0d | 3256 | subseg_set (S_GET_SEGMENT (sym), symbol_get_tc (sym)->subseg); |
252b5132 RH |
3257 | else |
3258 | { | |
3259 | symbolS **list_ptr; | |
3260 | int after_toc; | |
3261 | int hold_chunksize; | |
3262 | symbolS *list; | |
931e13a6 AM |
3263 | int is_code; |
3264 | segT sec; | |
252b5132 RH |
3265 | |
3266 | /* This is a new csect. We need to look at the symbol class to | |
3267 | figure out whether it should go in the text section or the | |
3268 | data section. */ | |
3269 | after_toc = 0; | |
931e13a6 | 3270 | is_code = 0; |
809ffe0d | 3271 | switch (symbol_get_tc (sym)->class) |
252b5132 RH |
3272 | { |
3273 | case XMC_PR: | |
3274 | case XMC_RO: | |
3275 | case XMC_DB: | |
3276 | case XMC_GL: | |
3277 | case XMC_XO: | |
3278 | case XMC_SV: | |
3279 | case XMC_TI: | |
3280 | case XMC_TB: | |
3281 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3282 | symbol_get_tc (sym)->subseg = ppc_text_subsegment; |
252b5132 RH |
3283 | ++ppc_text_subsegment; |
3284 | list_ptr = &ppc_text_csects; | |
931e13a6 | 3285 | is_code = 1; |
252b5132 RH |
3286 | break; |
3287 | case XMC_RW: | |
3288 | case XMC_TC0: | |
3289 | case XMC_TC: | |
3290 | case XMC_DS: | |
3291 | case XMC_UA: | |
3292 | case XMC_BS: | |
3293 | case XMC_UC: | |
3294 | if (ppc_toc_csect != NULL | |
809ffe0d ILT |
3295 | && (symbol_get_tc (ppc_toc_csect)->subseg + 1 |
3296 | == ppc_data_subsegment)) | |
252b5132 RH |
3297 | after_toc = 1; |
3298 | S_SET_SEGMENT (sym, data_section); | |
809ffe0d | 3299 | symbol_get_tc (sym)->subseg = ppc_data_subsegment; |
252b5132 RH |
3300 | ++ppc_data_subsegment; |
3301 | list_ptr = &ppc_data_csects; | |
3302 | break; | |
3303 | default: | |
3304 | abort (); | |
3305 | } | |
3306 | ||
3307 | /* We set the obstack chunk size to a small value before | |
99a814a1 AM |
3308 | changing subsegments, so that we don't use a lot of memory |
3309 | space for what may be a small section. */ | |
252b5132 RH |
3310 | hold_chunksize = chunksize; |
3311 | chunksize = 64; | |
3312 | ||
931e13a6 AM |
3313 | sec = subseg_new (segment_name (S_GET_SEGMENT (sym)), |
3314 | symbol_get_tc (sym)->subseg); | |
252b5132 RH |
3315 | |
3316 | chunksize = hold_chunksize; | |
3317 | ||
3318 | if (after_toc) | |
3319 | ppc_after_toc_frag = frag_now; | |
3320 | ||
931e13a6 AM |
3321 | record_alignment (sec, align); |
3322 | if (is_code) | |
3323 | frag_align_code (align, 0); | |
3324 | else | |
3325 | frag_align (align, 0, 0); | |
3326 | ||
809ffe0d | 3327 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3328 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); |
3329 | ||
931e13a6 | 3330 | symbol_get_tc (sym)->align = align; |
809ffe0d ILT |
3331 | symbol_get_tc (sym)->output = 1; |
3332 | symbol_get_tc (sym)->within = sym; | |
81d4177b | 3333 | |
252b5132 | 3334 | for (list = *list_ptr; |
809ffe0d ILT |
3335 | symbol_get_tc (list)->next != (symbolS *) NULL; |
3336 | list = symbol_get_tc (list)->next) | |
252b5132 | 3337 | ; |
809ffe0d | 3338 | symbol_get_tc (list)->next = sym; |
81d4177b | 3339 | |
252b5132 | 3340 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); |
809ffe0d ILT |
3341 | symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP, |
3342 | &symbol_lastP); | |
252b5132 RH |
3343 | } |
3344 | ||
3345 | ppc_current_csect = sym; | |
3346 | } | |
3347 | ||
3348 | /* This function handles the .text and .data pseudo-ops. These | |
3349 | pseudo-ops aren't really used by XCOFF; we implement them for the | |
3350 | convenience of people who aren't used to XCOFF. */ | |
3351 | ||
3352 | static void | |
98027b10 | 3353 | ppc_section (int type) |
252b5132 RH |
3354 | { |
3355 | const char *name; | |
3356 | symbolS *sym; | |
3357 | ||
3358 | if (type == 't') | |
3359 | name = ".text[PR]"; | |
3360 | else if (type == 'd') | |
3361 | name = ".data[RW]"; | |
3362 | else | |
3363 | abort (); | |
3364 | ||
3365 | sym = symbol_find_or_make (name); | |
3366 | ||
931e13a6 | 3367 | ppc_change_csect (sym, 2); |
252b5132 RH |
3368 | |
3369 | demand_empty_rest_of_line (); | |
3370 | } | |
3371 | ||
3372 | /* This function handles the .section pseudo-op. This is mostly to | |
3373 | give an error, since XCOFF only supports .text, .data and .bss, but | |
3374 | we do permit the user to name the text or data section. */ | |
3375 | ||
3376 | static void | |
98027b10 | 3377 | ppc_named_section (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3378 | { |
3379 | char *user_name; | |
3380 | const char *real_name; | |
3381 | char c; | |
3382 | symbolS *sym; | |
3383 | ||
3384 | user_name = input_line_pointer; | |
3385 | c = get_symbol_end (); | |
3386 | ||
3387 | if (strcmp (user_name, ".text") == 0) | |
3388 | real_name = ".text[PR]"; | |
3389 | else if (strcmp (user_name, ".data") == 0) | |
3390 | real_name = ".data[RW]"; | |
3391 | else | |
3392 | { | |
3393 | as_bad (_("The XCOFF file format does not support arbitrary sections")); | |
3394 | *input_line_pointer = c; | |
3395 | ignore_rest_of_line (); | |
3396 | return; | |
3397 | } | |
3398 | ||
3399 | *input_line_pointer = c; | |
3400 | ||
3401 | sym = symbol_find_or_make (real_name); | |
3402 | ||
931e13a6 | 3403 | ppc_change_csect (sym, 2); |
252b5132 RH |
3404 | |
3405 | demand_empty_rest_of_line (); | |
3406 | } | |
3407 | ||
3408 | /* The .extern pseudo-op. We create an undefined symbol. */ | |
3409 | ||
3410 | static void | |
98027b10 | 3411 | ppc_extern (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3412 | { |
3413 | char *name; | |
3414 | char endc; | |
3415 | ||
3416 | name = input_line_pointer; | |
3417 | endc = get_symbol_end (); | |
3418 | ||
3419 | (void) symbol_find_or_make (name); | |
3420 | ||
3421 | *input_line_pointer = endc; | |
3422 | ||
3423 | demand_empty_rest_of_line (); | |
3424 | } | |
3425 | ||
3426 | /* The .lglobl pseudo-op. Keep the symbol in the symbol table. */ | |
3427 | ||
3428 | static void | |
98027b10 | 3429 | ppc_lglobl (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3430 | { |
3431 | char *name; | |
3432 | char endc; | |
3433 | symbolS *sym; | |
3434 | ||
3435 | name = input_line_pointer; | |
3436 | endc = get_symbol_end (); | |
3437 | ||
3438 | sym = symbol_find_or_make (name); | |
3439 | ||
3440 | *input_line_pointer = endc; | |
3441 | ||
809ffe0d | 3442 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3443 | |
3444 | demand_empty_rest_of_line (); | |
3445 | } | |
3446 | ||
3447 | /* The .rename pseudo-op. The RS/6000 assembler can rename symbols, | |
3448 | although I don't know why it bothers. */ | |
3449 | ||
3450 | static void | |
98027b10 | 3451 | ppc_rename (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3452 | { |
3453 | char *name; | |
3454 | char endc; | |
3455 | symbolS *sym; | |
3456 | int len; | |
3457 | ||
3458 | name = input_line_pointer; | |
3459 | endc = get_symbol_end (); | |
3460 | ||
3461 | sym = symbol_find_or_make (name); | |
3462 | ||
3463 | *input_line_pointer = endc; | |
3464 | ||
3465 | if (*input_line_pointer != ',') | |
3466 | { | |
3467 | as_bad (_("missing rename string")); | |
3468 | ignore_rest_of_line (); | |
3469 | return; | |
3470 | } | |
3471 | ++input_line_pointer; | |
3472 | ||
809ffe0d | 3473 | symbol_get_tc (sym)->real_name = demand_copy_C_string (&len); |
252b5132 RH |
3474 | |
3475 | demand_empty_rest_of_line (); | |
3476 | } | |
3477 | ||
3478 | /* The .stabx pseudo-op. This is similar to a normal .stabs | |
3479 | pseudo-op, but slightly different. A sample is | |
3480 | .stabx "main:F-1",.main,142,0 | |
3481 | The first argument is the symbol name to create. The second is the | |
3482 | value, and the third is the storage class. The fourth seems to be | |
3483 | always zero, and I am assuming it is the type. */ | |
3484 | ||
3485 | static void | |
98027b10 | 3486 | ppc_stabx (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3487 | { |
3488 | char *name; | |
3489 | int len; | |
3490 | symbolS *sym; | |
3491 | expressionS exp; | |
3492 | ||
3493 | name = demand_copy_C_string (&len); | |
3494 | ||
3495 | if (*input_line_pointer != ',') | |
3496 | { | |
3497 | as_bad (_("missing value")); | |
3498 | return; | |
3499 | } | |
3500 | ++input_line_pointer; | |
3501 | ||
b34976b6 | 3502 | ppc_stab_symbol = TRUE; |
252b5132 | 3503 | sym = symbol_make (name); |
b34976b6 | 3504 | ppc_stab_symbol = FALSE; |
252b5132 | 3505 | |
809ffe0d | 3506 | symbol_get_tc (sym)->real_name = name; |
252b5132 RH |
3507 | |
3508 | (void) expression (&exp); | |
3509 | ||
3510 | switch (exp.X_op) | |
3511 | { | |
3512 | case O_illegal: | |
3513 | case O_absent: | |
3514 | case O_big: | |
3515 | as_bad (_("illegal .stabx expression; zero assumed")); | |
3516 | exp.X_add_number = 0; | |
3517 | /* Fall through. */ | |
3518 | case O_constant: | |
3519 | S_SET_VALUE (sym, (valueT) exp.X_add_number); | |
809ffe0d | 3520 | symbol_set_frag (sym, &zero_address_frag); |
252b5132 RH |
3521 | break; |
3522 | ||
3523 | case O_symbol: | |
3524 | if (S_GET_SEGMENT (exp.X_add_symbol) == undefined_section) | |
809ffe0d | 3525 | symbol_set_value_expression (sym, &exp); |
252b5132 RH |
3526 | else |
3527 | { | |
3528 | S_SET_VALUE (sym, | |
3529 | exp.X_add_number + S_GET_VALUE (exp.X_add_symbol)); | |
809ffe0d | 3530 | symbol_set_frag (sym, symbol_get_frag (exp.X_add_symbol)); |
252b5132 RH |
3531 | } |
3532 | break; | |
3533 | ||
3534 | default: | |
3535 | /* The value is some complex expression. This will probably | |
99a814a1 AM |
3536 | fail at some later point, but this is probably the right |
3537 | thing to do here. */ | |
809ffe0d | 3538 | symbol_set_value_expression (sym, &exp); |
252b5132 RH |
3539 | break; |
3540 | } | |
3541 | ||
3542 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 3543 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3544 | |
3545 | if (*input_line_pointer != ',') | |
3546 | { | |
3547 | as_bad (_("missing class")); | |
3548 | return; | |
3549 | } | |
3550 | ++input_line_pointer; | |
3551 | ||
3552 | S_SET_STORAGE_CLASS (sym, get_absolute_expression ()); | |
3553 | ||
3554 | if (*input_line_pointer != ',') | |
3555 | { | |
3556 | as_bad (_("missing type")); | |
3557 | return; | |
3558 | } | |
3559 | ++input_line_pointer; | |
3560 | ||
3561 | S_SET_DATA_TYPE (sym, get_absolute_expression ()); | |
3562 | ||
809ffe0d | 3563 | symbol_get_tc (sym)->output = 1; |
252b5132 | 3564 | |
6877bb43 | 3565 | if (S_GET_STORAGE_CLASS (sym) == C_STSYM) { |
99a814a1 | 3566 | |
809ffe0d | 3567 | symbol_get_tc (sym)->within = ppc_current_block; |
252b5132 | 3568 | |
41ea10b1 | 3569 | /* In this case : |
99a814a1 | 3570 | |
41ea10b1 TR |
3571 | .bs name |
3572 | .stabx "z",arrays_,133,0 | |
3573 | .es | |
99a814a1 | 3574 | |
41ea10b1 | 3575 | .comm arrays_,13768,3 |
99a814a1 | 3576 | |
41ea10b1 TR |
3577 | resolve_symbol_value will copy the exp's "within" into sym's when the |
3578 | offset is 0. Since this seems to be corner case problem, | |
3579 | only do the correction for storage class C_STSYM. A better solution | |
0baf16f2 | 3580 | would be to have the tc field updated in ppc_symbol_new_hook. */ |
99a814a1 AM |
3581 | |
3582 | if (exp.X_op == O_symbol) | |
41ea10b1 TR |
3583 | { |
3584 | symbol_get_tc (exp.X_add_symbol)->within = ppc_current_block; | |
3585 | } | |
6877bb43 | 3586 | } |
99a814a1 | 3587 | |
252b5132 RH |
3588 | if (exp.X_op != O_symbol |
3589 | || ! S_IS_EXTERNAL (exp.X_add_symbol) | |
3590 | || S_GET_SEGMENT (exp.X_add_symbol) != bss_section) | |
3591 | ppc_frob_label (sym); | |
3592 | else | |
3593 | { | |
3594 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
3595 | symbol_append (sym, exp.X_add_symbol, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
3596 | if (symbol_get_tc (ppc_current_csect)->within == exp.X_add_symbol) |
3597 | symbol_get_tc (ppc_current_csect)->within = sym; | |
252b5132 RH |
3598 | } |
3599 | ||
3600 | demand_empty_rest_of_line (); | |
3601 | } | |
3602 | ||
3603 | /* The .function pseudo-op. This takes several arguments. The first | |
3604 | argument seems to be the external name of the symbol. The second | |
67c1ffbe | 3605 | argument seems to be the label for the start of the function. gcc |
252b5132 RH |
3606 | uses the same name for both. I have no idea what the third and |
3607 | fourth arguments are meant to be. The optional fifth argument is | |
3608 | an expression for the size of the function. In COFF this symbol | |
3609 | gets an aux entry like that used for a csect. */ | |
3610 | ||
3611 | static void | |
98027b10 | 3612 | ppc_function (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3613 | { |
3614 | char *name; | |
3615 | char endc; | |
3616 | char *s; | |
3617 | symbolS *ext_sym; | |
3618 | symbolS *lab_sym; | |
3619 | ||
3620 | name = input_line_pointer; | |
3621 | endc = get_symbol_end (); | |
3622 | ||
3623 | /* Ignore any [PR] suffix. */ | |
3624 | name = ppc_canonicalize_symbol_name (name); | |
3625 | s = strchr (name, '['); | |
3626 | if (s != (char *) NULL | |
3627 | && strcmp (s + 1, "PR]") == 0) | |
3628 | *s = '\0'; | |
3629 | ||
3630 | ext_sym = symbol_find_or_make (name); | |
3631 | ||
3632 | *input_line_pointer = endc; | |
3633 | ||
3634 | if (*input_line_pointer != ',') | |
3635 | { | |
3636 | as_bad (_("missing symbol name")); | |
3637 | ignore_rest_of_line (); | |
3638 | return; | |
3639 | } | |
3640 | ++input_line_pointer; | |
3641 | ||
3642 | name = input_line_pointer; | |
3643 | endc = get_symbol_end (); | |
3644 | ||
3645 | lab_sym = symbol_find_or_make (name); | |
3646 | ||
3647 | *input_line_pointer = endc; | |
3648 | ||
3649 | if (ext_sym != lab_sym) | |
3650 | { | |
809ffe0d ILT |
3651 | expressionS exp; |
3652 | ||
3653 | exp.X_op = O_symbol; | |
3654 | exp.X_add_symbol = lab_sym; | |
3655 | exp.X_op_symbol = NULL; | |
3656 | exp.X_add_number = 0; | |
3657 | exp.X_unsigned = 0; | |
3658 | symbol_set_value_expression (ext_sym, &exp); | |
252b5132 RH |
3659 | } |
3660 | ||
809ffe0d ILT |
3661 | if (symbol_get_tc (ext_sym)->class == -1) |
3662 | symbol_get_tc (ext_sym)->class = XMC_PR; | |
3663 | symbol_get_tc (ext_sym)->output = 1; | |
252b5132 RH |
3664 | |
3665 | if (*input_line_pointer == ',') | |
3666 | { | |
3667 | expressionS ignore; | |
3668 | ||
3669 | /* Ignore the third argument. */ | |
3670 | ++input_line_pointer; | |
3671 | expression (&ignore); | |
3672 | if (*input_line_pointer == ',') | |
3673 | { | |
3674 | /* Ignore the fourth argument. */ | |
3675 | ++input_line_pointer; | |
3676 | expression (&ignore); | |
3677 | if (*input_line_pointer == ',') | |
3678 | { | |
3679 | /* The fifth argument is the function size. */ | |
3680 | ++input_line_pointer; | |
809ffe0d ILT |
3681 | symbol_get_tc (ext_sym)->size = symbol_new ("L0\001", |
3682 | absolute_section, | |
3683 | (valueT) 0, | |
3684 | &zero_address_frag); | |
3685 | pseudo_set (symbol_get_tc (ext_sym)->size); | |
252b5132 RH |
3686 | } |
3687 | } | |
3688 | } | |
3689 | ||
3690 | S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT); | |
3691 | SF_SET_FUNCTION (ext_sym); | |
3692 | SF_SET_PROCESS (ext_sym); | |
3693 | coff_add_linesym (ext_sym); | |
3694 | ||
3695 | demand_empty_rest_of_line (); | |
3696 | } | |
3697 | ||
3698 | /* The .bf pseudo-op. This is just like a COFF C_FCN symbol named | |
8642cce8 TR |
3699 | ".bf". If the pseudo op .bi was seen before .bf, patch the .bi sym |
3700 | with the correct line number */ | |
5d6255fe | 3701 | |
8642cce8 | 3702 | static symbolS *saved_bi_sym = 0; |
252b5132 RH |
3703 | |
3704 | static void | |
98027b10 | 3705 | ppc_bf (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3706 | { |
3707 | symbolS *sym; | |
3708 | ||
3709 | sym = symbol_make (".bf"); | |
3710 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3711 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3712 | S_SET_VALUE (sym, frag_now_fix ()); |
3713 | S_SET_STORAGE_CLASS (sym, C_FCN); | |
3714 | ||
3715 | coff_line_base = get_absolute_expression (); | |
3716 | ||
3717 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3718 | SA_SET_SYM_LNNO (sym, coff_line_base); | |
3719 | ||
8642cce8 | 3720 | /* Line number for bi. */ |
5d6255fe | 3721 | if (saved_bi_sym) |
8642cce8 TR |
3722 | { |
3723 | S_SET_VALUE (saved_bi_sym, coff_n_line_nos); | |
3724 | saved_bi_sym = 0; | |
3725 | } | |
5d6255fe | 3726 | |
8642cce8 | 3727 | |
809ffe0d | 3728 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3729 | |
3730 | ppc_frob_label (sym); | |
3731 | ||
3732 | demand_empty_rest_of_line (); | |
3733 | } | |
3734 | ||
3735 | /* The .ef pseudo-op. This is just like a COFF C_FCN symbol named | |
3736 | ".ef", except that the line number is absolute, not relative to the | |
3737 | most recent ".bf" symbol. */ | |
3738 | ||
3739 | static void | |
98027b10 | 3740 | ppc_ef (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3741 | { |
3742 | symbolS *sym; | |
3743 | ||
3744 | sym = symbol_make (".ef"); | |
3745 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3746 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3747 | S_SET_VALUE (sym, frag_now_fix ()); |
3748 | S_SET_STORAGE_CLASS (sym, C_FCN); | |
3749 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3750 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
809ffe0d | 3751 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3752 | |
3753 | ppc_frob_label (sym); | |
3754 | ||
3755 | demand_empty_rest_of_line (); | |
3756 | } | |
3757 | ||
3758 | /* The .bi and .ei pseudo-ops. These take a string argument and | |
3759 | generates a C_BINCL or C_EINCL symbol, which goes at the start of | |
8642cce8 TR |
3760 | the symbol list. The value of .bi will be know when the next .bf |
3761 | is encountered. */ | |
252b5132 RH |
3762 | |
3763 | static void | |
98027b10 | 3764 | ppc_biei (int ei) |
252b5132 RH |
3765 | { |
3766 | static symbolS *last_biei; | |
3767 | ||
3768 | char *name; | |
3769 | int len; | |
3770 | symbolS *sym; | |
3771 | symbolS *look; | |
3772 | ||
3773 | name = demand_copy_C_string (&len); | |
3774 | ||
3775 | /* The value of these symbols is actually file offset. Here we set | |
3776 | the value to the index into the line number entries. In | |
3777 | ppc_frob_symbols we set the fix_line field, which will cause BFD | |
3778 | to do the right thing. */ | |
3779 | ||
3780 | sym = symbol_make (name); | |
3781 | /* obj-coff.c currently only handles line numbers correctly in the | |
3782 | .text section. */ | |
3783 | S_SET_SEGMENT (sym, text_section); | |
3784 | S_SET_VALUE (sym, coff_n_line_nos); | |
809ffe0d | 3785 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3786 | |
3787 | S_SET_STORAGE_CLASS (sym, ei ? C_EINCL : C_BINCL); | |
809ffe0d | 3788 | symbol_get_tc (sym)->output = 1; |
81d4177b | 3789 | |
8642cce8 | 3790 | /* Save bi. */ |
5d6255fe | 3791 | if (ei) |
8642cce8 TR |
3792 | saved_bi_sym = 0; |
3793 | else | |
3794 | saved_bi_sym = sym; | |
3795 | ||
252b5132 RH |
3796 | for (look = last_biei ? last_biei : symbol_rootP; |
3797 | (look != (symbolS *) NULL | |
3798 | && (S_GET_STORAGE_CLASS (look) == C_FILE | |
3799 | || S_GET_STORAGE_CLASS (look) == C_BINCL | |
3800 | || S_GET_STORAGE_CLASS (look) == C_EINCL)); | |
3801 | look = symbol_next (look)) | |
3802 | ; | |
3803 | if (look != (symbolS *) NULL) | |
3804 | { | |
3805 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
3806 | symbol_insert (sym, look, &symbol_rootP, &symbol_lastP); | |
3807 | last_biei = sym; | |
3808 | } | |
3809 | ||
3810 | demand_empty_rest_of_line (); | |
3811 | } | |
3812 | ||
3813 | /* The .bs pseudo-op. This generates a C_BSTAT symbol named ".bs". | |
3814 | There is one argument, which is a csect symbol. The value of the | |
3815 | .bs symbol is the index of this csect symbol. */ | |
3816 | ||
3817 | static void | |
98027b10 | 3818 | ppc_bs (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3819 | { |
3820 | char *name; | |
3821 | char endc; | |
3822 | symbolS *csect; | |
3823 | symbolS *sym; | |
3824 | ||
3825 | if (ppc_current_block != NULL) | |
3826 | as_bad (_("nested .bs blocks")); | |
3827 | ||
3828 | name = input_line_pointer; | |
3829 | endc = get_symbol_end (); | |
3830 | ||
3831 | csect = symbol_find_or_make (name); | |
3832 | ||
3833 | *input_line_pointer = endc; | |
3834 | ||
3835 | sym = symbol_make (".bs"); | |
3836 | S_SET_SEGMENT (sym, now_seg); | |
3837 | S_SET_STORAGE_CLASS (sym, C_BSTAT); | |
809ffe0d ILT |
3838 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
3839 | symbol_get_tc (sym)->output = 1; | |
252b5132 | 3840 | |
809ffe0d | 3841 | symbol_get_tc (sym)->within = csect; |
252b5132 RH |
3842 | |
3843 | ppc_frob_label (sym); | |
3844 | ||
3845 | ppc_current_block = sym; | |
3846 | ||
3847 | demand_empty_rest_of_line (); | |
3848 | } | |
3849 | ||
3850 | /* The .es pseudo-op. Generate a C_ESTART symbol named .es. */ | |
3851 | ||
3852 | static void | |
98027b10 | 3853 | ppc_es (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3854 | { |
3855 | symbolS *sym; | |
3856 | ||
3857 | if (ppc_current_block == NULL) | |
3858 | as_bad (_(".es without preceding .bs")); | |
3859 | ||
3860 | sym = symbol_make (".es"); | |
3861 | S_SET_SEGMENT (sym, now_seg); | |
3862 | S_SET_STORAGE_CLASS (sym, C_ESTAT); | |
809ffe0d ILT |
3863 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
3864 | symbol_get_tc (sym)->output = 1; | |
252b5132 RH |
3865 | |
3866 | ppc_frob_label (sym); | |
3867 | ||
3868 | ppc_current_block = NULL; | |
3869 | ||
3870 | demand_empty_rest_of_line (); | |
3871 | } | |
3872 | ||
3873 | /* The .bb pseudo-op. Generate a C_BLOCK symbol named .bb, with a | |
3874 | line number. */ | |
3875 | ||
3876 | static void | |
98027b10 | 3877 | ppc_bb (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3878 | { |
3879 | symbolS *sym; | |
3880 | ||
3881 | sym = symbol_make (".bb"); | |
3882 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3883 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3884 | S_SET_VALUE (sym, frag_now_fix ()); |
3885 | S_SET_STORAGE_CLASS (sym, C_BLOCK); | |
3886 | ||
3887 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3888 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
3889 | ||
809ffe0d | 3890 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3891 | |
3892 | SF_SET_PROCESS (sym); | |
3893 | ||
3894 | ppc_frob_label (sym); | |
3895 | ||
3896 | demand_empty_rest_of_line (); | |
3897 | } | |
3898 | ||
3899 | /* The .eb pseudo-op. Generate a C_BLOCK symbol named .eb, with a | |
3900 | line number. */ | |
3901 | ||
3902 | static void | |
98027b10 | 3903 | ppc_eb (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3904 | { |
3905 | symbolS *sym; | |
3906 | ||
3907 | sym = symbol_make (".eb"); | |
3908 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3909 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3910 | S_SET_VALUE (sym, frag_now_fix ()); |
3911 | S_SET_STORAGE_CLASS (sym, C_BLOCK); | |
3912 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3913 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
809ffe0d | 3914 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3915 | |
3916 | SF_SET_PROCESS (sym); | |
3917 | ||
3918 | ppc_frob_label (sym); | |
3919 | ||
3920 | demand_empty_rest_of_line (); | |
3921 | } | |
3922 | ||
3923 | /* The .bc pseudo-op. This just creates a C_BCOMM symbol with a | |
3924 | specified name. */ | |
3925 | ||
3926 | static void | |
98027b10 | 3927 | ppc_bc (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3928 | { |
3929 | char *name; | |
3930 | int len; | |
3931 | symbolS *sym; | |
3932 | ||
3933 | name = demand_copy_C_string (&len); | |
3934 | sym = symbol_make (name); | |
3935 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 3936 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3937 | S_SET_STORAGE_CLASS (sym, C_BCOMM); |
3938 | S_SET_VALUE (sym, 0); | |
809ffe0d | 3939 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3940 | |
3941 | ppc_frob_label (sym); | |
3942 | ||
3943 | demand_empty_rest_of_line (); | |
3944 | } | |
3945 | ||
3946 | /* The .ec pseudo-op. This just creates a C_ECOMM symbol. */ | |
3947 | ||
3948 | static void | |
98027b10 | 3949 | ppc_ec (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3950 | { |
3951 | symbolS *sym; | |
3952 | ||
3953 | sym = symbol_make (".ec"); | |
3954 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 3955 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3956 | S_SET_STORAGE_CLASS (sym, C_ECOMM); |
3957 | S_SET_VALUE (sym, 0); | |
809ffe0d | 3958 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3959 | |
3960 | ppc_frob_label (sym); | |
3961 | ||
3962 | demand_empty_rest_of_line (); | |
3963 | } | |
3964 | ||
3965 | /* The .toc pseudo-op. Switch to the .toc subsegment. */ | |
3966 | ||
3967 | static void | |
98027b10 | 3968 | ppc_toc (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3969 | { |
3970 | if (ppc_toc_csect != (symbolS *) NULL) | |
809ffe0d | 3971 | subseg_set (data_section, symbol_get_tc (ppc_toc_csect)->subseg); |
252b5132 RH |
3972 | else |
3973 | { | |
3974 | subsegT subseg; | |
3975 | symbolS *sym; | |
3976 | symbolS *list; | |
81d4177b | 3977 | |
252b5132 RH |
3978 | subseg = ppc_data_subsegment; |
3979 | ++ppc_data_subsegment; | |
3980 | ||
3981 | subseg_new (segment_name (data_section), subseg); | |
3982 | ppc_toc_frag = frag_now; | |
3983 | ||
3984 | sym = symbol_find_or_make ("TOC[TC0]"); | |
809ffe0d | 3985 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3986 | S_SET_SEGMENT (sym, data_section); |
3987 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); | |
809ffe0d ILT |
3988 | symbol_get_tc (sym)->subseg = subseg; |
3989 | symbol_get_tc (sym)->output = 1; | |
3990 | symbol_get_tc (sym)->within = sym; | |
252b5132 RH |
3991 | |
3992 | ppc_toc_csect = sym; | |
81d4177b | 3993 | |
252b5132 | 3994 | for (list = ppc_data_csects; |
809ffe0d ILT |
3995 | symbol_get_tc (list)->next != (symbolS *) NULL; |
3996 | list = symbol_get_tc (list)->next) | |
252b5132 | 3997 | ; |
809ffe0d | 3998 | symbol_get_tc (list)->next = sym; |
252b5132 RH |
3999 | |
4000 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
4001 | symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP, |
4002 | &symbol_lastP); | |
252b5132 RH |
4003 | } |
4004 | ||
4005 | ppc_current_csect = ppc_toc_csect; | |
4006 | ||
4007 | demand_empty_rest_of_line (); | |
4008 | } | |
4009 | ||
4010 | /* The AIX assembler automatically aligns the operands of a .long or | |
4011 | .short pseudo-op, and we want to be compatible. */ | |
4012 | ||
4013 | static void | |
98027b10 | 4014 | ppc_xcoff_cons (int log_size) |
252b5132 RH |
4015 | { |
4016 | frag_align (log_size, 0, 0); | |
4017 | record_alignment (now_seg, log_size); | |
4018 | cons (1 << log_size); | |
4019 | } | |
4020 | ||
4021 | static void | |
98027b10 | 4022 | ppc_vbyte (int dummy ATTRIBUTE_UNUSED) |
252b5132 RH |
4023 | { |
4024 | expressionS exp; | |
4025 | int byte_count; | |
4026 | ||
4027 | (void) expression (&exp); | |
4028 | ||
4029 | if (exp.X_op != O_constant) | |
4030 | { | |
4031 | as_bad (_("non-constant byte count")); | |
4032 | return; | |
4033 | } | |
4034 | ||
4035 | byte_count = exp.X_add_number; | |
4036 | ||
4037 | if (*input_line_pointer != ',') | |
4038 | { | |
4039 | as_bad (_("missing value")); | |
4040 | return; | |
4041 | } | |
4042 | ||
4043 | ++input_line_pointer; | |
4044 | cons (byte_count); | |
4045 | } | |
4046 | ||
4047 | #endif /* OBJ_XCOFF */ | |
0baf16f2 | 4048 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
252b5132 RH |
4049 | \f |
4050 | /* The .tc pseudo-op. This is used when generating either XCOFF or | |
4051 | ELF. This takes two or more arguments. | |
4052 | ||
4053 | When generating XCOFF output, the first argument is the name to | |
4054 | give to this location in the toc; this will be a symbol with class | |
0baf16f2 | 4055 | TC. The rest of the arguments are N-byte values to actually put at |
252b5132 | 4056 | this location in the TOC; often there is just one more argument, a |
1049f94e | 4057 | relocatable symbol reference. The size of the value to store |
0baf16f2 AM |
4058 | depends on target word size. A 32-bit target uses 4-byte values, a |
4059 | 64-bit target uses 8-byte values. | |
252b5132 RH |
4060 | |
4061 | When not generating XCOFF output, the arguments are the same, but | |
4062 | the first argument is simply ignored. */ | |
4063 | ||
4064 | static void | |
98027b10 | 4065 | ppc_tc (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4066 | { |
4067 | #ifdef OBJ_XCOFF | |
4068 | ||
4069 | /* Define the TOC symbol name. */ | |
4070 | { | |
4071 | char *name; | |
4072 | char endc; | |
4073 | symbolS *sym; | |
4074 | ||
4075 | if (ppc_toc_csect == (symbolS *) NULL | |
4076 | || ppc_toc_csect != ppc_current_csect) | |
4077 | { | |
4078 | as_bad (_(".tc not in .toc section")); | |
4079 | ignore_rest_of_line (); | |
4080 | return; | |
4081 | } | |
4082 | ||
4083 | name = input_line_pointer; | |
4084 | endc = get_symbol_end (); | |
4085 | ||
4086 | sym = symbol_find_or_make (name); | |
4087 | ||
4088 | *input_line_pointer = endc; | |
4089 | ||
4090 | if (S_IS_DEFINED (sym)) | |
4091 | { | |
4092 | symbolS *label; | |
4093 | ||
809ffe0d ILT |
4094 | label = symbol_get_tc (ppc_current_csect)->within; |
4095 | if (symbol_get_tc (label)->class != XMC_TC0) | |
252b5132 RH |
4096 | { |
4097 | as_bad (_(".tc with no label")); | |
4098 | ignore_rest_of_line (); | |
4099 | return; | |
4100 | } | |
4101 | ||
4102 | S_SET_SEGMENT (label, S_GET_SEGMENT (sym)); | |
809ffe0d | 4103 | symbol_set_frag (label, symbol_get_frag (sym)); |
252b5132 RH |
4104 | S_SET_VALUE (label, S_GET_VALUE (sym)); |
4105 | ||
4106 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
4107 | ++input_line_pointer; | |
4108 | ||
4109 | return; | |
4110 | } | |
4111 | ||
4112 | S_SET_SEGMENT (sym, now_seg); | |
809ffe0d | 4113 | symbol_set_frag (sym, frag_now); |
252b5132 | 4114 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); |
809ffe0d ILT |
4115 | symbol_get_tc (sym)->class = XMC_TC; |
4116 | symbol_get_tc (sym)->output = 1; | |
252b5132 RH |
4117 | |
4118 | ppc_frob_label (sym); | |
4119 | } | |
4120 | ||
0baf16f2 AM |
4121 | #endif /* OBJ_XCOFF */ |
4122 | #ifdef OBJ_ELF | |
9c7977b3 | 4123 | int align; |
252b5132 RH |
4124 | |
4125 | /* Skip the TOC symbol name. */ | |
4126 | while (is_part_of_name (*input_line_pointer) | |
d13d4015 | 4127 | || *input_line_pointer == ' ' |
252b5132 RH |
4128 | || *input_line_pointer == '[' |
4129 | || *input_line_pointer == ']' | |
4130 | || *input_line_pointer == '{' | |
4131 | || *input_line_pointer == '}') | |
4132 | ++input_line_pointer; | |
4133 | ||
0baf16f2 | 4134 | /* Align to a four/eight byte boundary. */ |
2b3c4602 | 4135 | align = ppc_obj64 ? 3 : 2; |
9c7977b3 AM |
4136 | frag_align (align, 0, 0); |
4137 | record_alignment (now_seg, align); | |
0baf16f2 | 4138 | #endif /* OBJ_ELF */ |
252b5132 RH |
4139 | |
4140 | if (*input_line_pointer != ',') | |
4141 | demand_empty_rest_of_line (); | |
4142 | else | |
4143 | { | |
4144 | ++input_line_pointer; | |
2b3c4602 | 4145 | cons (ppc_obj64 ? 8 : 4); |
252b5132 RH |
4146 | } |
4147 | } | |
0baf16f2 AM |
4148 | |
4149 | /* Pseudo-op .machine. */ | |
0baf16f2 AM |
4150 | |
4151 | static void | |
98027b10 | 4152 | ppc_machine (int ignore ATTRIBUTE_UNUSED) |
0baf16f2 | 4153 | { |
69c040df AM |
4154 | char *cpu_string; |
4155 | #define MAX_HISTORY 100 | |
fa452fa6 | 4156 | static ppc_cpu_t *cpu_history; |
69c040df AM |
4157 | static int curr_hist; |
4158 | ||
4159 | SKIP_WHITESPACE (); | |
4160 | ||
4161 | if (*input_line_pointer == '"') | |
4162 | { | |
4163 | int len; | |
4164 | cpu_string = demand_copy_C_string (&len); | |
4165 | } | |
4166 | else | |
4167 | { | |
4168 | char c; | |
4169 | cpu_string = input_line_pointer; | |
4170 | c = get_symbol_end (); | |
4171 | cpu_string = xstrdup (cpu_string); | |
4172 | *input_line_pointer = c; | |
4173 | } | |
4174 | ||
4175 | if (cpu_string != NULL) | |
4176 | { | |
fa452fa6 | 4177 | ppc_cpu_t old_cpu = ppc_cpu; |
69c040df AM |
4178 | char *p; |
4179 | ||
4180 | for (p = cpu_string; *p != 0; p++) | |
4181 | *p = TOLOWER (*p); | |
4182 | ||
4183 | if (strcmp (cpu_string, "push") == 0) | |
4184 | { | |
4185 | if (cpu_history == NULL) | |
4186 | cpu_history = xmalloc (MAX_HISTORY * sizeof (*cpu_history)); | |
4187 | ||
4188 | if (curr_hist >= MAX_HISTORY) | |
4189 | as_bad (_(".machine stack overflow")); | |
4190 | else | |
4191 | cpu_history[curr_hist++] = ppc_cpu; | |
4192 | } | |
4193 | else if (strcmp (cpu_string, "pop") == 0) | |
4194 | { | |
4195 | if (curr_hist <= 0) | |
4196 | as_bad (_(".machine stack underflow")); | |
4197 | else | |
4198 | ppc_cpu = cpu_history[--curr_hist]; | |
4199 | } | |
4200 | else if (parse_cpu (cpu_string)) | |
4201 | ; | |
4202 | else | |
4203 | as_bad (_("invalid machine `%s'"), cpu_string); | |
4204 | ||
4205 | if (ppc_cpu != old_cpu) | |
4206 | ppc_setup_opcodes (); | |
4207 | } | |
4208 | ||
4209 | demand_empty_rest_of_line (); | |
0baf16f2 AM |
4210 | } |
4211 | ||
4212 | /* See whether a symbol is in the TOC section. */ | |
4213 | ||
4214 | static int | |
98027b10 | 4215 | ppc_is_toc_sym (symbolS *sym) |
0baf16f2 AM |
4216 | { |
4217 | #ifdef OBJ_XCOFF | |
4218 | return symbol_get_tc (sym)->class == XMC_TC; | |
4219 | #endif | |
4220 | #ifdef OBJ_ELF | |
4221 | const char *sname = segment_name (S_GET_SEGMENT (sym)); | |
2b3c4602 | 4222 | if (ppc_obj64) |
0baf16f2 AM |
4223 | return strcmp (sname, ".toc") == 0; |
4224 | else | |
4225 | return strcmp (sname, ".got") == 0; | |
4226 | #endif | |
4227 | } | |
4228 | #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */ | |
252b5132 RH |
4229 | \f |
4230 | #ifdef TE_PE | |
4231 | ||
99a814a1 | 4232 | /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */ |
252b5132 RH |
4233 | |
4234 | /* Set the current section. */ | |
4235 | static void | |
98027b10 | 4236 | ppc_set_current_section (segT new) |
252b5132 RH |
4237 | { |
4238 | ppc_previous_section = ppc_current_section; | |
4239 | ppc_current_section = new; | |
4240 | } | |
4241 | ||
4242 | /* pseudo-op: .previous | |
4243 | behaviour: toggles the current section with the previous section. | |
4244 | errors: None | |
99a814a1 AM |
4245 | warnings: "No previous section" */ |
4246 | ||
252b5132 | 4247 | static void |
98027b10 | 4248 | ppc_previous (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4249 | { |
4250 | symbolS *tmp; | |
4251 | ||
81d4177b | 4252 | if (ppc_previous_section == NULL) |
252b5132 | 4253 | { |
99a814a1 | 4254 | as_warn (_("No previous section to return to. Directive ignored.")); |
252b5132 RH |
4255 | return; |
4256 | } | |
4257 | ||
99a814a1 | 4258 | subseg_set (ppc_previous_section, 0); |
252b5132 | 4259 | |
99a814a1 | 4260 | ppc_set_current_section (ppc_previous_section); |
252b5132 RH |
4261 | } |
4262 | ||
4263 | /* pseudo-op: .pdata | |
4264 | behaviour: predefined read only data section | |
b34976b6 | 4265 | double word aligned |
252b5132 RH |
4266 | errors: None |
4267 | warnings: None | |
4268 | initial: .section .pdata "adr3" | |
b34976b6 | 4269 | a - don't know -- maybe a misprint |
252b5132 RH |
4270 | d - initialized data |
4271 | r - readable | |
4272 | 3 - double word aligned (that would be 4 byte boundary) | |
4273 | ||
4274 | commentary: | |
4275 | Tag index tables (also known as the function table) for exception | |
99a814a1 | 4276 | handling, debugging, etc. */ |
252b5132 | 4277 | |
252b5132 | 4278 | static void |
98027b10 | 4279 | ppc_pdata (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 4280 | { |
81d4177b | 4281 | if (pdata_section == 0) |
252b5132 RH |
4282 | { |
4283 | pdata_section = subseg_new (".pdata", 0); | |
81d4177b | 4284 | |
252b5132 RH |
4285 | bfd_set_section_flags (stdoutput, pdata_section, |
4286 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
4287 | | SEC_READONLY | SEC_DATA )); | |
81d4177b | 4288 | |
252b5132 RH |
4289 | bfd_set_section_alignment (stdoutput, pdata_section, 2); |
4290 | } | |
4291 | else | |
4292 | { | |
99a814a1 | 4293 | pdata_section = subseg_new (".pdata", 0); |
252b5132 | 4294 | } |
99a814a1 | 4295 | ppc_set_current_section (pdata_section); |
252b5132 RH |
4296 | } |
4297 | ||
4298 | /* pseudo-op: .ydata | |
4299 | behaviour: predefined read only data section | |
b34976b6 | 4300 | double word aligned |
252b5132 RH |
4301 | errors: None |
4302 | warnings: None | |
4303 | initial: .section .ydata "drw3" | |
b34976b6 | 4304 | a - don't know -- maybe a misprint |
252b5132 RH |
4305 | d - initialized data |
4306 | r - readable | |
4307 | 3 - double word aligned (that would be 4 byte boundary) | |
4308 | commentary: | |
4309 | Tag tables (also known as the scope table) for exception handling, | |
99a814a1 AM |
4310 | debugging, etc. */ |
4311 | ||
252b5132 | 4312 | static void |
98027b10 | 4313 | ppc_ydata (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 4314 | { |
81d4177b | 4315 | if (ydata_section == 0) |
252b5132 RH |
4316 | { |
4317 | ydata_section = subseg_new (".ydata", 0); | |
4318 | bfd_set_section_flags (stdoutput, ydata_section, | |
99a814a1 AM |
4319 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
4320 | | SEC_READONLY | SEC_DATA )); | |
252b5132 RH |
4321 | |
4322 | bfd_set_section_alignment (stdoutput, ydata_section, 3); | |
4323 | } | |
4324 | else | |
4325 | { | |
4326 | ydata_section = subseg_new (".ydata", 0); | |
4327 | } | |
99a814a1 | 4328 | ppc_set_current_section (ydata_section); |
252b5132 RH |
4329 | } |
4330 | ||
4331 | /* pseudo-op: .reldata | |
4332 | behaviour: predefined read write data section | |
b34976b6 | 4333 | double word aligned (4-byte) |
252b5132 RH |
4334 | FIXME: relocation is applied to it |
4335 | FIXME: what's the difference between this and .data? | |
4336 | errors: None | |
4337 | warnings: None | |
4338 | initial: .section .reldata "drw3" | |
4339 | d - initialized data | |
4340 | r - readable | |
4341 | w - writeable | |
4342 | 3 - double word aligned (that would be 8 byte boundary) | |
4343 | ||
4344 | commentary: | |
4345 | Like .data, but intended to hold data subject to relocation, such as | |
99a814a1 AM |
4346 | function descriptors, etc. */ |
4347 | ||
252b5132 | 4348 | static void |
98027b10 | 4349 | ppc_reldata (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4350 | { |
4351 | if (reldata_section == 0) | |
4352 | { | |
4353 | reldata_section = subseg_new (".reldata", 0); | |
4354 | ||
4355 | bfd_set_section_flags (stdoutput, reldata_section, | |
99a814a1 AM |
4356 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
4357 | | SEC_DATA)); | |
252b5132 RH |
4358 | |
4359 | bfd_set_section_alignment (stdoutput, reldata_section, 2); | |
4360 | } | |
4361 | else | |
4362 | { | |
4363 | reldata_section = subseg_new (".reldata", 0); | |
4364 | } | |
99a814a1 | 4365 | ppc_set_current_section (reldata_section); |
252b5132 RH |
4366 | } |
4367 | ||
4368 | /* pseudo-op: .rdata | |
4369 | behaviour: predefined read only data section | |
b34976b6 | 4370 | double word aligned |
252b5132 RH |
4371 | errors: None |
4372 | warnings: None | |
4373 | initial: .section .rdata "dr3" | |
4374 | d - initialized data | |
4375 | r - readable | |
99a814a1 AM |
4376 | 3 - double word aligned (that would be 4 byte boundary) */ |
4377 | ||
252b5132 | 4378 | static void |
98027b10 | 4379 | ppc_rdata (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4380 | { |
4381 | if (rdata_section == 0) | |
4382 | { | |
4383 | rdata_section = subseg_new (".rdata", 0); | |
4384 | bfd_set_section_flags (stdoutput, rdata_section, | |
4385 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
4386 | | SEC_READONLY | SEC_DATA )); | |
4387 | ||
4388 | bfd_set_section_alignment (stdoutput, rdata_section, 2); | |
4389 | } | |
4390 | else | |
4391 | { | |
4392 | rdata_section = subseg_new (".rdata", 0); | |
4393 | } | |
99a814a1 | 4394 | ppc_set_current_section (rdata_section); |
252b5132 RH |
4395 | } |
4396 | ||
4397 | /* pseudo-op: .ualong | |
81d4177b | 4398 | behaviour: much like .int, with the exception that no alignment is |
b34976b6 | 4399 | performed. |
252b5132 RH |
4400 | FIXME: test the alignment statement |
4401 | errors: None | |
99a814a1 AM |
4402 | warnings: None */ |
4403 | ||
252b5132 | 4404 | static void |
98027b10 | 4405 | ppc_ualong (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 4406 | { |
99a814a1 AM |
4407 | /* Try for long. */ |
4408 | cons (4); | |
252b5132 RH |
4409 | } |
4410 | ||
4411 | /* pseudo-op: .znop <symbol name> | |
4412 | behaviour: Issue a nop instruction | |
b34976b6 | 4413 | Issue a IMAGE_REL_PPC_IFGLUE relocation against it, using |
252b5132 RH |
4414 | the supplied symbol name. |
4415 | errors: None | |
99a814a1 AM |
4416 | warnings: Missing symbol name */ |
4417 | ||
252b5132 | 4418 | static void |
98027b10 | 4419 | ppc_znop (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4420 | { |
4421 | unsigned long insn; | |
4422 | const struct powerpc_opcode *opcode; | |
4423 | expressionS ex; | |
4424 | char *f; | |
252b5132 | 4425 | symbolS *sym; |
252b5132 RH |
4426 | char *symbol_name; |
4427 | char c; | |
4428 | char *name; | |
4429 | unsigned int exp; | |
4430 | flagword flags; | |
4431 | asection *sec; | |
4432 | ||
99a814a1 | 4433 | /* Strip out the symbol name. */ |
252b5132 RH |
4434 | symbol_name = input_line_pointer; |
4435 | c = get_symbol_end (); | |
4436 | ||
4437 | name = xmalloc (input_line_pointer - symbol_name + 1); | |
4438 | strcpy (name, symbol_name); | |
4439 | ||
4440 | sym = symbol_find_or_make (name); | |
4441 | ||
4442 | *input_line_pointer = c; | |
4443 | ||
4444 | SKIP_WHITESPACE (); | |
4445 | ||
4446 | /* Look up the opcode in the hash table. */ | |
4447 | opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, "nop"); | |
4448 | ||
99a814a1 | 4449 | /* Stick in the nop. */ |
252b5132 RH |
4450 | insn = opcode->opcode; |
4451 | ||
4452 | /* Write out the instruction. */ | |
4453 | f = frag_more (4); | |
4454 | md_number_to_chars (f, insn, 4); | |
4455 | fix_new (frag_now, | |
4456 | f - frag_now->fr_literal, | |
4457 | 4, | |
4458 | sym, | |
4459 | 0, | |
4460 | 0, | |
4461 | BFD_RELOC_16_GOT_PCREL); | |
4462 | ||
4463 | } | |
4464 | ||
81d4177b KH |
4465 | /* pseudo-op: |
4466 | behaviour: | |
4467 | errors: | |
99a814a1 AM |
4468 | warnings: */ |
4469 | ||
252b5132 | 4470 | static void |
98027b10 | 4471 | ppc_pe_comm (int lcomm) |
252b5132 | 4472 | { |
98027b10 AM |
4473 | char *name; |
4474 | char c; | |
4475 | char *p; | |
252b5132 | 4476 | offsetT temp; |
98027b10 | 4477 | symbolS *symbolP; |
252b5132 RH |
4478 | offsetT align; |
4479 | ||
4480 | name = input_line_pointer; | |
4481 | c = get_symbol_end (); | |
4482 | ||
99a814a1 | 4483 | /* just after name is now '\0'. */ |
252b5132 RH |
4484 | p = input_line_pointer; |
4485 | *p = c; | |
4486 | SKIP_WHITESPACE (); | |
4487 | if (*input_line_pointer != ',') | |
4488 | { | |
4489 | as_bad (_("Expected comma after symbol-name: rest of line ignored.")); | |
4490 | ignore_rest_of_line (); | |
4491 | return; | |
4492 | } | |
4493 | ||
4494 | input_line_pointer++; /* skip ',' */ | |
4495 | if ((temp = get_absolute_expression ()) < 0) | |
4496 | { | |
4497 | as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) temp); | |
4498 | ignore_rest_of_line (); | |
4499 | return; | |
4500 | } | |
4501 | ||
4502 | if (! lcomm) | |
4503 | { | |
4504 | /* The third argument to .comm is the alignment. */ | |
4505 | if (*input_line_pointer != ',') | |
4506 | align = 3; | |
4507 | else | |
4508 | { | |
4509 | ++input_line_pointer; | |
4510 | align = get_absolute_expression (); | |
4511 | if (align <= 0) | |
4512 | { | |
4513 | as_warn (_("ignoring bad alignment")); | |
4514 | align = 3; | |
4515 | } | |
4516 | } | |
4517 | } | |
4518 | ||
4519 | *p = 0; | |
4520 | symbolP = symbol_find_or_make (name); | |
4521 | ||
4522 | *p = c; | |
4523 | if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP)) | |
4524 | { | |
4525 | as_bad (_("Ignoring attempt to re-define symbol `%s'."), | |
4526 | S_GET_NAME (symbolP)); | |
4527 | ignore_rest_of_line (); | |
4528 | return; | |
4529 | } | |
4530 | ||
4531 | if (S_GET_VALUE (symbolP)) | |
4532 | { | |
4533 | if (S_GET_VALUE (symbolP) != (valueT) temp) | |
4534 | as_bad (_("Length of .comm \"%s\" is already %ld. Not changed to %ld."), | |
4535 | S_GET_NAME (symbolP), | |
4536 | (long) S_GET_VALUE (symbolP), | |
4537 | (long) temp); | |
4538 | } | |
4539 | else | |
4540 | { | |
4541 | S_SET_VALUE (symbolP, (valueT) temp); | |
4542 | S_SET_EXTERNAL (symbolP); | |
86ebace2 | 4543 | S_SET_SEGMENT (symbolP, bfd_com_section_ptr); |
252b5132 RH |
4544 | } |
4545 | ||
4546 | demand_empty_rest_of_line (); | |
4547 | } | |
4548 | ||
4549 | /* | |
4550 | * implement the .section pseudo op: | |
4551 | * .section name {, "flags"} | |
4552 | * ^ ^ | |
4553 | * | +--- optional flags: 'b' for bss | |
4554 | * | 'i' for info | |
4555 | * +-- section name 'l' for lib | |
4556 | * 'n' for noload | |
4557 | * 'o' for over | |
4558 | * 'w' for data | |
4559 | * 'd' (apparently m88k for data) | |
4560 | * 'x' for text | |
4561 | * But if the argument is not a quoted string, treat it as a | |
4562 | * subsegment number. | |
4563 | * | |
4564 | * FIXME: this is a copy of the section processing from obj-coff.c, with | |
4565 | * additions/changes for the moto-pas assembler support. There are three | |
4566 | * categories: | |
4567 | * | |
81d4177b | 4568 | * FIXME: I just noticed this. This doesn't work at all really. It it |
252b5132 RH |
4569 | * setting bits that bfd probably neither understands or uses. The |
4570 | * correct approach (?) will have to incorporate extra fields attached | |
4571 | * to the section to hold the system specific stuff. (krk) | |
4572 | * | |
4573 | * Section Contents: | |
4574 | * 'a' - unknown - referred to in documentation, but no definition supplied | |
4575 | * 'c' - section has code | |
4576 | * 'd' - section has initialized data | |
4577 | * 'u' - section has uninitialized data | |
4578 | * 'i' - section contains directives (info) | |
4579 | * 'n' - section can be discarded | |
4580 | * 'R' - remove section at link time | |
4581 | * | |
4582 | * Section Protection: | |
4583 | * 'r' - section is readable | |
4584 | * 'w' - section is writeable | |
4585 | * 'x' - section is executable | |
4586 | * 's' - section is sharable | |
4587 | * | |
4588 | * Section Alignment: | |
4589 | * '0' - align to byte boundary | |
4590 | * '1' - align to halfword undary | |
4591 | * '2' - align to word boundary | |
4592 | * '3' - align to doubleword boundary | |
4593 | * '4' - align to quadword boundary | |
4594 | * '5' - align to 32 byte boundary | |
4595 | * '6' - align to 64 byte boundary | |
4596 | * | |
4597 | */ | |
4598 | ||
4599 | void | |
98027b10 | 4600 | ppc_pe_section (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 4601 | { |
99a814a1 | 4602 | /* Strip out the section name. */ |
252b5132 RH |
4603 | char *section_name; |
4604 | char c; | |
4605 | char *name; | |
4606 | unsigned int exp; | |
4607 | flagword flags; | |
4608 | segT sec; | |
4609 | int align; | |
4610 | ||
4611 | section_name = input_line_pointer; | |
4612 | c = get_symbol_end (); | |
4613 | ||
4614 | name = xmalloc (input_line_pointer - section_name + 1); | |
4615 | strcpy (name, section_name); | |
4616 | ||
4617 | *input_line_pointer = c; | |
4618 | ||
4619 | SKIP_WHITESPACE (); | |
4620 | ||
4621 | exp = 0; | |
4622 | flags = SEC_NO_FLAGS; | |
4623 | ||
4624 | if (strcmp (name, ".idata$2") == 0) | |
4625 | { | |
4626 | align = 0; | |
4627 | } | |
4628 | else if (strcmp (name, ".idata$3") == 0) | |
4629 | { | |
4630 | align = 0; | |
4631 | } | |
4632 | else if (strcmp (name, ".idata$4") == 0) | |
4633 | { | |
4634 | align = 2; | |
4635 | } | |
4636 | else if (strcmp (name, ".idata$5") == 0) | |
4637 | { | |
4638 | align = 2; | |
4639 | } | |
4640 | else if (strcmp (name, ".idata$6") == 0) | |
4641 | { | |
4642 | align = 1; | |
4643 | } | |
4644 | else | |
99a814a1 AM |
4645 | /* Default alignment to 16 byte boundary. */ |
4646 | align = 4; | |
252b5132 RH |
4647 | |
4648 | if (*input_line_pointer == ',') | |
4649 | { | |
4650 | ++input_line_pointer; | |
4651 | SKIP_WHITESPACE (); | |
4652 | if (*input_line_pointer != '"') | |
4653 | exp = get_absolute_expression (); | |
4654 | else | |
4655 | { | |
4656 | ++input_line_pointer; | |
4657 | while (*input_line_pointer != '"' | |
4658 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
4659 | { | |
4660 | switch (*input_line_pointer) | |
4661 | { | |
4662 | /* Section Contents */ | |
4663 | case 'a': /* unknown */ | |
4664 | as_bad (_("Unsupported section attribute -- 'a'")); | |
4665 | break; | |
4666 | case 'c': /* code section */ | |
81d4177b | 4667 | flags |= SEC_CODE; |
252b5132 RH |
4668 | break; |
4669 | case 'd': /* section has initialized data */ | |
4670 | flags |= SEC_DATA; | |
4671 | break; | |
4672 | case 'u': /* section has uninitialized data */ | |
4673 | /* FIXME: This is IMAGE_SCN_CNT_UNINITIALIZED_DATA | |
4674 | in winnt.h */ | |
4675 | flags |= SEC_ROM; | |
4676 | break; | |
4677 | case 'i': /* section contains directives (info) */ | |
4678 | /* FIXME: This is IMAGE_SCN_LNK_INFO | |
4679 | in winnt.h */ | |
4680 | flags |= SEC_HAS_CONTENTS; | |
4681 | break; | |
4682 | case 'n': /* section can be discarded */ | |
81d4177b | 4683 | flags &=~ SEC_LOAD; |
252b5132 RH |
4684 | break; |
4685 | case 'R': /* Remove section at link time */ | |
4686 | flags |= SEC_NEVER_LOAD; | |
4687 | break; | |
8d452c78 | 4688 | #if IFLICT_BRAIN_DAMAGE |
252b5132 RH |
4689 | /* Section Protection */ |
4690 | case 'r': /* section is readable */ | |
4691 | flags |= IMAGE_SCN_MEM_READ; | |
4692 | break; | |
4693 | case 'w': /* section is writeable */ | |
4694 | flags |= IMAGE_SCN_MEM_WRITE; | |
4695 | break; | |
4696 | case 'x': /* section is executable */ | |
4697 | flags |= IMAGE_SCN_MEM_EXECUTE; | |
4698 | break; | |
4699 | case 's': /* section is sharable */ | |
4700 | flags |= IMAGE_SCN_MEM_SHARED; | |
4701 | break; | |
4702 | ||
4703 | /* Section Alignment */ | |
4704 | case '0': /* align to byte boundary */ | |
4705 | flags |= IMAGE_SCN_ALIGN_1BYTES; | |
4706 | align = 0; | |
4707 | break; | |
4708 | case '1': /* align to halfword boundary */ | |
4709 | flags |= IMAGE_SCN_ALIGN_2BYTES; | |
4710 | align = 1; | |
4711 | break; | |
4712 | case '2': /* align to word boundary */ | |
4713 | flags |= IMAGE_SCN_ALIGN_4BYTES; | |
4714 | align = 2; | |
4715 | break; | |
4716 | case '3': /* align to doubleword boundary */ | |
4717 | flags |= IMAGE_SCN_ALIGN_8BYTES; | |
4718 | align = 3; | |
4719 | break; | |
4720 | case '4': /* align to quadword boundary */ | |
4721 | flags |= IMAGE_SCN_ALIGN_16BYTES; | |
4722 | align = 4; | |
4723 | break; | |
4724 | case '5': /* align to 32 byte boundary */ | |
4725 | flags |= IMAGE_SCN_ALIGN_32BYTES; | |
4726 | align = 5; | |
4727 | break; | |
4728 | case '6': /* align to 64 byte boundary */ | |
4729 | flags |= IMAGE_SCN_ALIGN_64BYTES; | |
4730 | align = 6; | |
4731 | break; | |
8d452c78 | 4732 | #endif |
252b5132 | 4733 | default: |
99a814a1 AM |
4734 | as_bad (_("unknown section attribute '%c'"), |
4735 | *input_line_pointer); | |
252b5132 RH |
4736 | break; |
4737 | } | |
4738 | ++input_line_pointer; | |
4739 | } | |
4740 | if (*input_line_pointer == '"') | |
4741 | ++input_line_pointer; | |
4742 | } | |
4743 | } | |
4744 | ||
4745 | sec = subseg_new (name, (subsegT) exp); | |
4746 | ||
99a814a1 | 4747 | ppc_set_current_section (sec); |
252b5132 RH |
4748 | |
4749 | if (flags != SEC_NO_FLAGS) | |
4750 | { | |
4751 | if (! bfd_set_section_flags (stdoutput, sec, flags)) | |
4752 | as_bad (_("error setting flags for \"%s\": %s"), | |
4753 | bfd_section_name (stdoutput, sec), | |
4754 | bfd_errmsg (bfd_get_error ())); | |
4755 | } | |
4756 | ||
99a814a1 | 4757 | bfd_set_section_alignment (stdoutput, sec, align); |
252b5132 RH |
4758 | } |
4759 | ||
4760 | static void | |
98027b10 | 4761 | ppc_pe_function (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4762 | { |
4763 | char *name; | |
4764 | char endc; | |
4765 | symbolS *ext_sym; | |
4766 | ||
4767 | name = input_line_pointer; | |
4768 | endc = get_symbol_end (); | |
4769 | ||
4770 | ext_sym = symbol_find_or_make (name); | |
4771 | ||
4772 | *input_line_pointer = endc; | |
4773 | ||
4774 | S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT); | |
4775 | SF_SET_FUNCTION (ext_sym); | |
4776 | SF_SET_PROCESS (ext_sym); | |
4777 | coff_add_linesym (ext_sym); | |
4778 | ||
4779 | demand_empty_rest_of_line (); | |
4780 | } | |
4781 | ||
4782 | static void | |
98027b10 | 4783 | ppc_pe_tocd (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4784 | { |
4785 | if (tocdata_section == 0) | |
4786 | { | |
4787 | tocdata_section = subseg_new (".tocd", 0); | |
99a814a1 | 4788 | /* FIXME: section flags won't work. */ |
252b5132 RH |
4789 | bfd_set_section_flags (stdoutput, tocdata_section, |
4790 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
99a814a1 | 4791 | | SEC_READONLY | SEC_DATA)); |
252b5132 RH |
4792 | |
4793 | bfd_set_section_alignment (stdoutput, tocdata_section, 2); | |
4794 | } | |
4795 | else | |
4796 | { | |
4797 | rdata_section = subseg_new (".tocd", 0); | |
4798 | } | |
4799 | ||
99a814a1 | 4800 | ppc_set_current_section (tocdata_section); |
252b5132 RH |
4801 | |
4802 | demand_empty_rest_of_line (); | |
4803 | } | |
4804 | ||
4805 | /* Don't adjust TOC relocs to use the section symbol. */ | |
4806 | ||
4807 | int | |
98027b10 | 4808 | ppc_pe_fix_adjustable (fixS *fix) |
252b5132 RH |
4809 | { |
4810 | return fix->fx_r_type != BFD_RELOC_PPC_TOC16; | |
4811 | } | |
4812 | ||
4813 | #endif | |
4814 | \f | |
4815 | #ifdef OBJ_XCOFF | |
4816 | ||
4817 | /* XCOFF specific symbol and file handling. */ | |
4818 | ||
4819 | /* Canonicalize the symbol name. We use the to force the suffix, if | |
4820 | any, to use square brackets, and to be in upper case. */ | |
4821 | ||
4822 | char * | |
98027b10 | 4823 | ppc_canonicalize_symbol_name (char *name) |
252b5132 RH |
4824 | { |
4825 | char *s; | |
4826 | ||
4827 | if (ppc_stab_symbol) | |
4828 | return name; | |
4829 | ||
4830 | for (s = name; *s != '\0' && *s != '{' && *s != '['; s++) | |
4831 | ; | |
4832 | if (*s != '\0') | |
4833 | { | |
4834 | char brac; | |
4835 | ||
4836 | if (*s == '[') | |
4837 | brac = ']'; | |
4838 | else | |
4839 | { | |
4840 | *s = '['; | |
4841 | brac = '}'; | |
4842 | } | |
4843 | ||
4844 | for (s++; *s != '\0' && *s != brac; s++) | |
3882b010 | 4845 | *s = TOUPPER (*s); |
252b5132 RH |
4846 | |
4847 | if (*s == '\0' || s[1] != '\0') | |
4848 | as_bad (_("bad symbol suffix")); | |
4849 | ||
4850 | *s = ']'; | |
4851 | } | |
4852 | ||
4853 | return name; | |
4854 | } | |
4855 | ||
4856 | /* Set the class of a symbol based on the suffix, if any. This is | |
4857 | called whenever a new symbol is created. */ | |
4858 | ||
4859 | void | |
98027b10 | 4860 | ppc_symbol_new_hook (symbolS *sym) |
252b5132 | 4861 | { |
809ffe0d | 4862 | struct ppc_tc_sy *tc; |
252b5132 RH |
4863 | const char *s; |
4864 | ||
809ffe0d ILT |
4865 | tc = symbol_get_tc (sym); |
4866 | tc->next = NULL; | |
4867 | tc->output = 0; | |
4868 | tc->class = -1; | |
4869 | tc->real_name = NULL; | |
4870 | tc->subseg = 0; | |
4871 | tc->align = 0; | |
4872 | tc->size = NULL; | |
4873 | tc->within = NULL; | |
252b5132 RH |
4874 | |
4875 | if (ppc_stab_symbol) | |
4876 | return; | |
4877 | ||
4878 | s = strchr (S_GET_NAME (sym), '['); | |
4879 | if (s == (const char *) NULL) | |
4880 | { | |
4881 | /* There is no suffix. */ | |
4882 | return; | |
4883 | } | |
4884 | ||
4885 | ++s; | |
4886 | ||
4887 | switch (s[0]) | |
4888 | { | |
4889 | case 'B': | |
4890 | if (strcmp (s, "BS]") == 0) | |
809ffe0d | 4891 | tc->class = XMC_BS; |
252b5132 RH |
4892 | break; |
4893 | case 'D': | |
4894 | if (strcmp (s, "DB]") == 0) | |
809ffe0d | 4895 | tc->class = XMC_DB; |
252b5132 | 4896 | else if (strcmp (s, "DS]") == 0) |
809ffe0d | 4897 | tc->class = XMC_DS; |
252b5132 RH |
4898 | break; |
4899 | case 'G': | |
4900 | if (strcmp (s, "GL]") == 0) | |
809ffe0d | 4901 | tc->class = XMC_GL; |
252b5132 RH |
4902 | break; |
4903 | case 'P': | |
4904 | if (strcmp (s, "PR]") == 0) | |
809ffe0d | 4905 | tc->class = XMC_PR; |
252b5132 RH |
4906 | break; |
4907 | case 'R': | |
4908 | if (strcmp (s, "RO]") == 0) | |
809ffe0d | 4909 | tc->class = XMC_RO; |
252b5132 | 4910 | else if (strcmp (s, "RW]") == 0) |
809ffe0d | 4911 | tc->class = XMC_RW; |
252b5132 RH |
4912 | break; |
4913 | case 'S': | |
4914 | if (strcmp (s, "SV]") == 0) | |
809ffe0d | 4915 | tc->class = XMC_SV; |
252b5132 RH |
4916 | break; |
4917 | case 'T': | |
4918 | if (strcmp (s, "TC]") == 0) | |
809ffe0d | 4919 | tc->class = XMC_TC; |
252b5132 | 4920 | else if (strcmp (s, "TI]") == 0) |
809ffe0d | 4921 | tc->class = XMC_TI; |
252b5132 | 4922 | else if (strcmp (s, "TB]") == 0) |
809ffe0d | 4923 | tc->class = XMC_TB; |
252b5132 | 4924 | else if (strcmp (s, "TC0]") == 0 || strcmp (s, "T0]") == 0) |
809ffe0d | 4925 | tc->class = XMC_TC0; |
252b5132 RH |
4926 | break; |
4927 | case 'U': | |
4928 | if (strcmp (s, "UA]") == 0) | |
809ffe0d | 4929 | tc->class = XMC_UA; |
252b5132 | 4930 | else if (strcmp (s, "UC]") == 0) |
809ffe0d | 4931 | tc->class = XMC_UC; |
252b5132 RH |
4932 | break; |
4933 | case 'X': | |
4934 | if (strcmp (s, "XO]") == 0) | |
809ffe0d | 4935 | tc->class = XMC_XO; |
252b5132 RH |
4936 | break; |
4937 | } | |
4938 | ||
809ffe0d | 4939 | if (tc->class == -1) |
252b5132 RH |
4940 | as_bad (_("Unrecognized symbol suffix")); |
4941 | } | |
4942 | ||
4943 | /* Set the class of a label based on where it is defined. This | |
4944 | handles symbols without suffixes. Also, move the symbol so that it | |
4945 | follows the csect symbol. */ | |
4946 | ||
4947 | void | |
98027b10 | 4948 | ppc_frob_label (symbolS *sym) |
252b5132 RH |
4949 | { |
4950 | if (ppc_current_csect != (symbolS *) NULL) | |
4951 | { | |
809ffe0d ILT |
4952 | if (symbol_get_tc (sym)->class == -1) |
4953 | symbol_get_tc (sym)->class = symbol_get_tc (ppc_current_csect)->class; | |
252b5132 RH |
4954 | |
4955 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
4956 | symbol_append (sym, symbol_get_tc (ppc_current_csect)->within, |
4957 | &symbol_rootP, &symbol_lastP); | |
4958 | symbol_get_tc (ppc_current_csect)->within = sym; | |
252b5132 | 4959 | } |
07a53e5c RH |
4960 | |
4961 | #ifdef OBJ_ELF | |
4962 | dwarf2_emit_label (sym); | |
4963 | #endif | |
252b5132 RH |
4964 | } |
4965 | ||
4966 | /* This variable is set by ppc_frob_symbol if any absolute symbols are | |
4967 | seen. It tells ppc_adjust_symtab whether it needs to look through | |
4968 | the symbols. */ | |
4969 | ||
b34976b6 | 4970 | static bfd_boolean ppc_saw_abs; |
252b5132 RH |
4971 | |
4972 | /* Change the name of a symbol just before writing it out. Set the | |
4973 | real name if the .rename pseudo-op was used. Otherwise, remove any | |
4974 | class suffix. Return 1 if the symbol should not be included in the | |
4975 | symbol table. */ | |
4976 | ||
4977 | int | |
98027b10 | 4978 | ppc_frob_symbol (symbolS *sym) |
252b5132 RH |
4979 | { |
4980 | static symbolS *ppc_last_function; | |
4981 | static symbolS *set_end; | |
4982 | ||
4983 | /* Discard symbols that should not be included in the output symbol | |
4984 | table. */ | |
809ffe0d ILT |
4985 | if (! symbol_used_in_reloc_p (sym) |
4986 | && ((symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) != 0 | |
670ec21d | 4987 | || (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym)) |
809ffe0d | 4988 | && ! symbol_get_tc (sym)->output |
252b5132 RH |
4989 | && S_GET_STORAGE_CLASS (sym) != C_FILE))) |
4990 | return 1; | |
4991 | ||
a161fe53 AM |
4992 | /* This one will disappear anyway. Don't make a csect sym for it. */ |
4993 | if (sym == abs_section_sym) | |
4994 | return 1; | |
4995 | ||
809ffe0d ILT |
4996 | if (symbol_get_tc (sym)->real_name != (char *) NULL) |
4997 | S_SET_NAME (sym, symbol_get_tc (sym)->real_name); | |
252b5132 RH |
4998 | else |
4999 | { | |
5000 | const char *name; | |
5001 | const char *s; | |
5002 | ||
5003 | name = S_GET_NAME (sym); | |
5004 | s = strchr (name, '['); | |
5005 | if (s != (char *) NULL) | |
5006 | { | |
5007 | unsigned int len; | |
5008 | char *snew; | |
5009 | ||
5010 | len = s - name; | |
5011 | snew = xmalloc (len + 1); | |
5012 | memcpy (snew, name, len); | |
5013 | snew[len] = '\0'; | |
5014 | ||
5015 | S_SET_NAME (sym, snew); | |
5016 | } | |
5017 | } | |
5018 | ||
5019 | if (set_end != (symbolS *) NULL) | |
5020 | { | |
5021 | SA_SET_SYM_ENDNDX (set_end, sym); | |
5022 | set_end = NULL; | |
5023 | } | |
5024 | ||
5025 | if (SF_GET_FUNCTION (sym)) | |
5026 | { | |
5027 | if (ppc_last_function != (symbolS *) NULL) | |
5028 | as_bad (_("two .function pseudo-ops with no intervening .ef")); | |
5029 | ppc_last_function = sym; | |
809ffe0d | 5030 | if (symbol_get_tc (sym)->size != (symbolS *) NULL) |
252b5132 | 5031 | { |
6386f3a7 | 5032 | resolve_symbol_value (symbol_get_tc (sym)->size); |
809ffe0d ILT |
5033 | SA_SET_SYM_FSIZE (sym, |
5034 | (long) S_GET_VALUE (symbol_get_tc (sym)->size)); | |
252b5132 RH |
5035 | } |
5036 | } | |
5037 | else if (S_GET_STORAGE_CLASS (sym) == C_FCN | |
5038 | && strcmp (S_GET_NAME (sym), ".ef") == 0) | |
5039 | { | |
5040 | if (ppc_last_function == (symbolS *) NULL) | |
5041 | as_bad (_(".ef with no preceding .function")); | |
5042 | else | |
5043 | { | |
5044 | set_end = ppc_last_function; | |
5045 | ppc_last_function = NULL; | |
5046 | ||
5047 | /* We don't have a C_EFCN symbol, but we need to force the | |
5048 | COFF backend to believe that it has seen one. */ | |
5049 | coff_last_function = NULL; | |
5050 | } | |
5051 | } | |
5052 | ||
670ec21d | 5053 | if (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym)) |
809ffe0d | 5054 | && (symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) == 0 |
252b5132 RH |
5055 | && S_GET_STORAGE_CLASS (sym) != C_FILE |
5056 | && S_GET_STORAGE_CLASS (sym) != C_FCN | |
5057 | && S_GET_STORAGE_CLASS (sym) != C_BLOCK | |
5058 | && S_GET_STORAGE_CLASS (sym) != C_BSTAT | |
5059 | && S_GET_STORAGE_CLASS (sym) != C_ESTAT | |
5060 | && S_GET_STORAGE_CLASS (sym) != C_BINCL | |
5061 | && S_GET_STORAGE_CLASS (sym) != C_EINCL | |
5062 | && S_GET_SEGMENT (sym) != ppc_coff_debug_section) | |
5063 | S_SET_STORAGE_CLASS (sym, C_HIDEXT); | |
5064 | ||
5065 | if (S_GET_STORAGE_CLASS (sym) == C_EXT | |
5066 | || S_GET_STORAGE_CLASS (sym) == C_HIDEXT) | |
5067 | { | |
5068 | int i; | |
5069 | union internal_auxent *a; | |
5070 | ||
5071 | /* Create a csect aux. */ | |
5072 | i = S_GET_NUMBER_AUXILIARY (sym); | |
5073 | S_SET_NUMBER_AUXILIARY (sym, i + 1); | |
809ffe0d ILT |
5074 | a = &coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].u.auxent; |
5075 | if (symbol_get_tc (sym)->class == XMC_TC0) | |
252b5132 RH |
5076 | { |
5077 | /* This is the TOC table. */ | |
5078 | know (strcmp (S_GET_NAME (sym), "TOC") == 0); | |
5079 | a->x_csect.x_scnlen.l = 0; | |
5080 | a->x_csect.x_smtyp = (2 << 3) | XTY_SD; | |
5081 | } | |
809ffe0d | 5082 | else if (symbol_get_tc (sym)->subseg != 0) |
252b5132 RH |
5083 | { |
5084 | /* This is a csect symbol. x_scnlen is the size of the | |
5085 | csect. */ | |
809ffe0d | 5086 | if (symbol_get_tc (sym)->next == (symbolS *) NULL) |
252b5132 RH |
5087 | a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput, |
5088 | S_GET_SEGMENT (sym)) | |
5089 | - S_GET_VALUE (sym)); | |
5090 | else | |
5091 | { | |
6386f3a7 | 5092 | resolve_symbol_value (symbol_get_tc (sym)->next); |
809ffe0d | 5093 | a->x_csect.x_scnlen.l = (S_GET_VALUE (symbol_get_tc (sym)->next) |
252b5132 RH |
5094 | - S_GET_VALUE (sym)); |
5095 | } | |
809ffe0d | 5096 | a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_SD; |
252b5132 RH |
5097 | } |
5098 | else if (S_GET_SEGMENT (sym) == bss_section) | |
5099 | { | |
5100 | /* This is a common symbol. */ | |
809ffe0d ILT |
5101 | a->x_csect.x_scnlen.l = symbol_get_frag (sym)->fr_offset; |
5102 | a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_CM; | |
252b5132 | 5103 | if (S_IS_EXTERNAL (sym)) |
809ffe0d | 5104 | symbol_get_tc (sym)->class = XMC_RW; |
252b5132 | 5105 | else |
809ffe0d | 5106 | symbol_get_tc (sym)->class = XMC_BS; |
252b5132 RH |
5107 | } |
5108 | else if (S_GET_SEGMENT (sym) == absolute_section) | |
5109 | { | |
5110 | /* This is an absolute symbol. The csect will be created by | |
99a814a1 | 5111 | ppc_adjust_symtab. */ |
b34976b6 | 5112 | ppc_saw_abs = TRUE; |
252b5132 | 5113 | a->x_csect.x_smtyp = XTY_LD; |
809ffe0d ILT |
5114 | if (symbol_get_tc (sym)->class == -1) |
5115 | symbol_get_tc (sym)->class = XMC_XO; | |
252b5132 RH |
5116 | } |
5117 | else if (! S_IS_DEFINED (sym)) | |
5118 | { | |
5119 | /* This is an external symbol. */ | |
5120 | a->x_csect.x_scnlen.l = 0; | |
5121 | a->x_csect.x_smtyp = XTY_ER; | |
5122 | } | |
809ffe0d | 5123 | else if (symbol_get_tc (sym)->class == XMC_TC) |
252b5132 RH |
5124 | { |
5125 | symbolS *next; | |
5126 | ||
5127 | /* This is a TOC definition. x_scnlen is the size of the | |
5128 | TOC entry. */ | |
5129 | next = symbol_next (sym); | |
809ffe0d | 5130 | while (symbol_get_tc (next)->class == XMC_TC0) |
252b5132 RH |
5131 | next = symbol_next (next); |
5132 | if (next == (symbolS *) NULL | |
809ffe0d | 5133 | || symbol_get_tc (next)->class != XMC_TC) |
252b5132 RH |
5134 | { |
5135 | if (ppc_after_toc_frag == (fragS *) NULL) | |
5136 | a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput, | |
5137 | data_section) | |
5138 | - S_GET_VALUE (sym)); | |
5139 | else | |
5140 | a->x_csect.x_scnlen.l = (ppc_after_toc_frag->fr_address | |
5141 | - S_GET_VALUE (sym)); | |
5142 | } | |
5143 | else | |
5144 | { | |
6386f3a7 | 5145 | resolve_symbol_value (next); |
252b5132 RH |
5146 | a->x_csect.x_scnlen.l = (S_GET_VALUE (next) |
5147 | - S_GET_VALUE (sym)); | |
5148 | } | |
5149 | a->x_csect.x_smtyp = (2 << 3) | XTY_SD; | |
5150 | } | |
5151 | else | |
5152 | { | |
5153 | symbolS *csect; | |
5154 | ||
5155 | /* This is a normal symbol definition. x_scnlen is the | |
5156 | symbol index of the containing csect. */ | |
5157 | if (S_GET_SEGMENT (sym) == text_section) | |
5158 | csect = ppc_text_csects; | |
5159 | else if (S_GET_SEGMENT (sym) == data_section) | |
5160 | csect = ppc_data_csects; | |
5161 | else | |
5162 | abort (); | |
5163 | ||
5164 | /* Skip the initial dummy symbol. */ | |
809ffe0d | 5165 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
5166 | |
5167 | if (csect == (symbolS *) NULL) | |
5168 | { | |
5169 | as_warn (_("warning: symbol %s has no csect"), S_GET_NAME (sym)); | |
5170 | a->x_csect.x_scnlen.l = 0; | |
5171 | } | |
5172 | else | |
5173 | { | |
809ffe0d | 5174 | while (symbol_get_tc (csect)->next != (symbolS *) NULL) |
252b5132 | 5175 | { |
6386f3a7 | 5176 | resolve_symbol_value (symbol_get_tc (csect)->next); |
809ffe0d ILT |
5177 | if (S_GET_VALUE (symbol_get_tc (csect)->next) |
5178 | > S_GET_VALUE (sym)) | |
252b5132 | 5179 | break; |
809ffe0d | 5180 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
5181 | } |
5182 | ||
809ffe0d ILT |
5183 | a->x_csect.x_scnlen.p = |
5184 | coffsymbol (symbol_get_bfdsym (csect))->native; | |
5185 | coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].fix_scnlen = | |
5186 | 1; | |
252b5132 RH |
5187 | } |
5188 | a->x_csect.x_smtyp = XTY_LD; | |
5189 | } | |
81d4177b | 5190 | |
252b5132 RH |
5191 | a->x_csect.x_parmhash = 0; |
5192 | a->x_csect.x_snhash = 0; | |
809ffe0d | 5193 | if (symbol_get_tc (sym)->class == -1) |
252b5132 RH |
5194 | a->x_csect.x_smclas = XMC_PR; |
5195 | else | |
809ffe0d | 5196 | a->x_csect.x_smclas = symbol_get_tc (sym)->class; |
252b5132 RH |
5197 | a->x_csect.x_stab = 0; |
5198 | a->x_csect.x_snstab = 0; | |
5199 | ||
5200 | /* Don't let the COFF backend resort these symbols. */ | |
809ffe0d | 5201 | symbol_get_bfdsym (sym)->flags |= BSF_NOT_AT_END; |
252b5132 RH |
5202 | } |
5203 | else if (S_GET_STORAGE_CLASS (sym) == C_BSTAT) | |
5204 | { | |
5205 | /* We want the value to be the symbol index of the referenced | |
5206 | csect symbol. BFD will do that for us if we set the right | |
5207 | flags. */ | |
b782de16 AM |
5208 | asymbol *bsym = symbol_get_bfdsym (symbol_get_tc (sym)->within); |
5209 | combined_entry_type *c = coffsymbol (bsym)->native; | |
5210 | ||
5211 | S_SET_VALUE (sym, (valueT) (size_t) c); | |
809ffe0d | 5212 | coffsymbol (symbol_get_bfdsym (sym))->native->fix_value = 1; |
252b5132 RH |
5213 | } |
5214 | else if (S_GET_STORAGE_CLASS (sym) == C_STSYM) | |
5215 | { | |
5216 | symbolS *block; | |
5217 | symbolS *csect; | |
5218 | ||
5219 | /* The value is the offset from the enclosing csect. */ | |
809ffe0d ILT |
5220 | block = symbol_get_tc (sym)->within; |
5221 | csect = symbol_get_tc (block)->within; | |
6386f3a7 | 5222 | resolve_symbol_value (csect); |
252b5132 RH |
5223 | S_SET_VALUE (sym, S_GET_VALUE (sym) - S_GET_VALUE (csect)); |
5224 | } | |
5225 | else if (S_GET_STORAGE_CLASS (sym) == C_BINCL | |
5226 | || S_GET_STORAGE_CLASS (sym) == C_EINCL) | |
5227 | { | |
5228 | /* We want the value to be a file offset into the line numbers. | |
99a814a1 AM |
5229 | BFD will do that for us if we set the right flags. We have |
5230 | already set the value correctly. */ | |
809ffe0d | 5231 | coffsymbol (symbol_get_bfdsym (sym))->native->fix_line = 1; |
252b5132 RH |
5232 | } |
5233 | ||
5234 | return 0; | |
5235 | } | |
5236 | ||
5237 | /* Adjust the symbol table. This creates csect symbols for all | |
5238 | absolute symbols. */ | |
5239 | ||
5240 | void | |
98027b10 | 5241 | ppc_adjust_symtab (void) |
252b5132 RH |
5242 | { |
5243 | symbolS *sym; | |
5244 | ||
5245 | if (! ppc_saw_abs) | |
5246 | return; | |
5247 | ||
5248 | for (sym = symbol_rootP; sym != NULL; sym = symbol_next (sym)) | |
5249 | { | |
5250 | symbolS *csect; | |
5251 | int i; | |
5252 | union internal_auxent *a; | |
5253 | ||
5254 | if (S_GET_SEGMENT (sym) != absolute_section) | |
5255 | continue; | |
5256 | ||
5257 | csect = symbol_create (".abs[XO]", absolute_section, | |
5258 | S_GET_VALUE (sym), &zero_address_frag); | |
809ffe0d | 5259 | symbol_get_bfdsym (csect)->value = S_GET_VALUE (sym); |
252b5132 RH |
5260 | S_SET_STORAGE_CLASS (csect, C_HIDEXT); |
5261 | i = S_GET_NUMBER_AUXILIARY (csect); | |
5262 | S_SET_NUMBER_AUXILIARY (csect, i + 1); | |
809ffe0d | 5263 | a = &coffsymbol (symbol_get_bfdsym (csect))->native[i + 1].u.auxent; |
252b5132 RH |
5264 | a->x_csect.x_scnlen.l = 0; |
5265 | a->x_csect.x_smtyp = XTY_SD; | |
5266 | a->x_csect.x_parmhash = 0; | |
5267 | a->x_csect.x_snhash = 0; | |
5268 | a->x_csect.x_smclas = XMC_XO; | |
5269 | a->x_csect.x_stab = 0; | |
5270 | a->x_csect.x_snstab = 0; | |
5271 | ||
5272 | symbol_insert (csect, sym, &symbol_rootP, &symbol_lastP); | |
5273 | ||
5274 | i = S_GET_NUMBER_AUXILIARY (sym); | |
809ffe0d ILT |
5275 | a = &coffsymbol (symbol_get_bfdsym (sym))->native[i].u.auxent; |
5276 | a->x_csect.x_scnlen.p = coffsymbol (symbol_get_bfdsym (csect))->native; | |
5277 | coffsymbol (symbol_get_bfdsym (sym))->native[i].fix_scnlen = 1; | |
252b5132 RH |
5278 | } |
5279 | ||
b34976b6 | 5280 | ppc_saw_abs = FALSE; |
252b5132 RH |
5281 | } |
5282 | ||
5283 | /* Set the VMA for a section. This is called on all the sections in | |
5284 | turn. */ | |
5285 | ||
5286 | void | |
98027b10 | 5287 | ppc_frob_section (asection *sec) |
252b5132 | 5288 | { |
931e13a6 | 5289 | static bfd_vma vma = 0; |
252b5132 | 5290 | |
931e13a6 | 5291 | vma = md_section_align (sec, vma); |
252b5132 RH |
5292 | bfd_set_section_vma (stdoutput, sec, vma); |
5293 | vma += bfd_section_size (stdoutput, sec); | |
5294 | } | |
5295 | ||
5296 | #endif /* OBJ_XCOFF */ | |
5297 | \f | |
252b5132 | 5298 | char * |
98027b10 | 5299 | md_atof (int type, char *litp, int *sizep) |
252b5132 | 5300 | { |
499ac353 | 5301 | return ieee_md_atof (type, litp, sizep, target_big_endian); |
252b5132 RH |
5302 | } |
5303 | ||
5304 | /* Write a value out to the object file, using the appropriate | |
5305 | endianness. */ | |
5306 | ||
5307 | void | |
98027b10 | 5308 | md_number_to_chars (char *buf, valueT val, int n) |
252b5132 RH |
5309 | { |
5310 | if (target_big_endian) | |
5311 | number_to_chars_bigendian (buf, val, n); | |
5312 | else | |
5313 | number_to_chars_littleendian (buf, val, n); | |
5314 | } | |
5315 | ||
5316 | /* Align a section (I don't know why this is machine dependent). */ | |
5317 | ||
5318 | valueT | |
3aeeedbb | 5319 | md_section_align (asection *seg ATTRIBUTE_UNUSED, valueT addr) |
252b5132 | 5320 | { |
3aeeedbb AM |
5321 | #ifdef OBJ_ELF |
5322 | return addr; | |
5323 | #else | |
252b5132 RH |
5324 | int align = bfd_get_section_alignment (stdoutput, seg); |
5325 | ||
5326 | return ((addr + (1 << align) - 1) & (-1 << align)); | |
3aeeedbb | 5327 | #endif |
252b5132 RH |
5328 | } |
5329 | ||
5330 | /* We don't have any form of relaxing. */ | |
5331 | ||
5332 | int | |
98027b10 AM |
5333 | md_estimate_size_before_relax (fragS *fragp ATTRIBUTE_UNUSED, |
5334 | asection *seg ATTRIBUTE_UNUSED) | |
252b5132 RH |
5335 | { |
5336 | abort (); | |
5337 | return 0; | |
5338 | } | |
5339 | ||
5340 | /* Convert a machine dependent frag. We never generate these. */ | |
5341 | ||
5342 | void | |
98027b10 AM |
5343 | md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, |
5344 | asection *sec ATTRIBUTE_UNUSED, | |
5345 | fragS *fragp ATTRIBUTE_UNUSED) | |
252b5132 RH |
5346 | { |
5347 | abort (); | |
5348 | } | |
5349 | ||
5350 | /* We have no need to default values of symbols. */ | |
5351 | ||
252b5132 | 5352 | symbolS * |
98027b10 | 5353 | md_undefined_symbol (char *name ATTRIBUTE_UNUSED) |
252b5132 RH |
5354 | { |
5355 | return 0; | |
5356 | } | |
5357 | \f | |
5358 | /* Functions concerning relocs. */ | |
5359 | ||
5360 | /* The location from which a PC relative jump should be calculated, | |
5361 | given a PC relative reloc. */ | |
5362 | ||
5363 | long | |
98027b10 | 5364 | md_pcrel_from_section (fixS *fixp, segT sec ATTRIBUTE_UNUSED) |
252b5132 RH |
5365 | { |
5366 | return fixp->fx_frag->fr_address + fixp->fx_where; | |
5367 | } | |
5368 | ||
5369 | #ifdef OBJ_XCOFF | |
5370 | ||
5371 | /* This is called to see whether a fixup should be adjusted to use a | |
5372 | section symbol. We take the opportunity to change a fixup against | |
5373 | a symbol in the TOC subsegment into a reloc against the | |
5374 | corresponding .tc symbol. */ | |
5375 | ||
5376 | int | |
98027b10 | 5377 | ppc_fix_adjustable (fixS *fix) |
252b5132 | 5378 | { |
b782de16 AM |
5379 | valueT val = resolve_symbol_value (fix->fx_addsy); |
5380 | segT symseg = S_GET_SEGMENT (fix->fx_addsy); | |
5381 | TC_SYMFIELD_TYPE *tc; | |
5382 | ||
5383 | if (symseg == absolute_section) | |
5384 | return 0; | |
252b5132 | 5385 | |
252b5132 | 5386 | if (ppc_toc_csect != (symbolS *) NULL |
252b5132 | 5387 | && fix->fx_addsy != ppc_toc_csect |
b782de16 | 5388 | && symseg == data_section |
252b5132 RH |
5389 | && val >= ppc_toc_frag->fr_address |
5390 | && (ppc_after_toc_frag == (fragS *) NULL | |
5391 | || val < ppc_after_toc_frag->fr_address)) | |
5392 | { | |
5393 | symbolS *sy; | |
5394 | ||
5395 | for (sy = symbol_next (ppc_toc_csect); | |
5396 | sy != (symbolS *) NULL; | |
5397 | sy = symbol_next (sy)) | |
5398 | { | |
b782de16 AM |
5399 | TC_SYMFIELD_TYPE *sy_tc = symbol_get_tc (sy); |
5400 | ||
5401 | if (sy_tc->class == XMC_TC0) | |
252b5132 | 5402 | continue; |
b782de16 | 5403 | if (sy_tc->class != XMC_TC) |
252b5132 | 5404 | break; |
b782de16 | 5405 | if (val == resolve_symbol_value (sy)) |
252b5132 RH |
5406 | { |
5407 | fix->fx_addsy = sy; | |
5408 | fix->fx_addnumber = val - ppc_toc_frag->fr_address; | |
5409 | return 0; | |
5410 | } | |
5411 | } | |
5412 | ||
5413 | as_bad_where (fix->fx_file, fix->fx_line, | |
5414 | _("symbol in .toc does not match any .tc")); | |
5415 | } | |
5416 | ||
5417 | /* Possibly adjust the reloc to be against the csect. */ | |
b782de16 AM |
5418 | tc = symbol_get_tc (fix->fx_addsy); |
5419 | if (tc->subseg == 0 | |
5420 | && tc->class != XMC_TC0 | |
5421 | && tc->class != XMC_TC | |
5422 | && symseg != bss_section | |
252b5132 | 5423 | /* Don't adjust if this is a reloc in the toc section. */ |
b782de16 | 5424 | && (symseg != data_section |
252b5132 RH |
5425 | || ppc_toc_csect == NULL |
5426 | || val < ppc_toc_frag->fr_address | |
5427 | || (ppc_after_toc_frag != NULL | |
5428 | && val >= ppc_after_toc_frag->fr_address))) | |
5429 | { | |
5430 | symbolS *csect; | |
b782de16 | 5431 | symbolS *next_csect; |
252b5132 | 5432 | |
b782de16 | 5433 | if (symseg == text_section) |
252b5132 | 5434 | csect = ppc_text_csects; |
b782de16 | 5435 | else if (symseg == data_section) |
252b5132 RH |
5436 | csect = ppc_data_csects; |
5437 | else | |
5438 | abort (); | |
5439 | ||
5440 | /* Skip the initial dummy symbol. */ | |
809ffe0d | 5441 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
5442 | |
5443 | if (csect != (symbolS *) NULL) | |
5444 | { | |
b782de16 AM |
5445 | while ((next_csect = symbol_get_tc (csect)->next) != (symbolS *) NULL |
5446 | && (symbol_get_frag (next_csect)->fr_address <= val)) | |
252b5132 RH |
5447 | { |
5448 | /* If the csect address equals the symbol value, then we | |
99a814a1 AM |
5449 | have to look through the full symbol table to see |
5450 | whether this is the csect we want. Note that we will | |
5451 | only get here if the csect has zero length. */ | |
b782de16 AM |
5452 | if (symbol_get_frag (csect)->fr_address == val |
5453 | && S_GET_VALUE (csect) == val) | |
252b5132 RH |
5454 | { |
5455 | symbolS *scan; | |
5456 | ||
809ffe0d | 5457 | for (scan = symbol_next (csect); |
252b5132 | 5458 | scan != NULL; |
809ffe0d | 5459 | scan = symbol_next (scan)) |
252b5132 | 5460 | { |
809ffe0d | 5461 | if (symbol_get_tc (scan)->subseg != 0) |
252b5132 RH |
5462 | break; |
5463 | if (scan == fix->fx_addsy) | |
5464 | break; | |
5465 | } | |
5466 | ||
5467 | /* If we found the symbol before the next csect | |
99a814a1 | 5468 | symbol, then this is the csect we want. */ |
252b5132 RH |
5469 | if (scan == fix->fx_addsy) |
5470 | break; | |
5471 | } | |
5472 | ||
b782de16 | 5473 | csect = next_csect; |
252b5132 RH |
5474 | } |
5475 | ||
b782de16 | 5476 | fix->fx_offset += val - symbol_get_frag (csect)->fr_address; |
252b5132 RH |
5477 | fix->fx_addsy = csect; |
5478 | } | |
b782de16 | 5479 | return 0; |
252b5132 RH |
5480 | } |
5481 | ||
5482 | /* Adjust a reloc against a .lcomm symbol to be against the base | |
5483 | .lcomm. */ | |
b782de16 | 5484 | if (symseg == bss_section |
252b5132 RH |
5485 | && ! S_IS_EXTERNAL (fix->fx_addsy)) |
5486 | { | |
b782de16 AM |
5487 | symbolS *sy = symbol_get_frag (fix->fx_addsy)->fr_symbol; |
5488 | ||
5489 | fix->fx_offset += val - resolve_symbol_value (sy); | |
5490 | fix->fx_addsy = sy; | |
252b5132 RH |
5491 | } |
5492 | ||
5493 | return 0; | |
5494 | } | |
5495 | ||
5496 | /* A reloc from one csect to another must be kept. The assembler | |
5497 | will, of course, keep relocs between sections, and it will keep | |
5498 | absolute relocs, but we need to force it to keep PC relative relocs | |
5499 | between two csects in the same section. */ | |
5500 | ||
5501 | int | |
98027b10 | 5502 | ppc_force_relocation (fixS *fix) |
252b5132 RH |
5503 | { |
5504 | /* At this point fix->fx_addsy should already have been converted to | |
5505 | a csect symbol. If the csect does not include the fragment, then | |
5506 | we need to force the relocation. */ | |
5507 | if (fix->fx_pcrel | |
5508 | && fix->fx_addsy != NULL | |
809ffe0d ILT |
5509 | && symbol_get_tc (fix->fx_addsy)->subseg != 0 |
5510 | && ((symbol_get_frag (fix->fx_addsy)->fr_address | |
5511 | > fix->fx_frag->fr_address) | |
5512 | || (symbol_get_tc (fix->fx_addsy)->next != NULL | |
5513 | && (symbol_get_frag (symbol_get_tc (fix->fx_addsy)->next)->fr_address | |
252b5132 RH |
5514 | <= fix->fx_frag->fr_address)))) |
5515 | return 1; | |
5516 | ||
ae6063d4 | 5517 | return generic_force_reloc (fix); |
252b5132 RH |
5518 | } |
5519 | ||
5520 | #endif /* OBJ_XCOFF */ | |
5521 | ||
0baf16f2 | 5522 | #ifdef OBJ_ELF |
a161fe53 AM |
5523 | /* If this function returns non-zero, it guarantees that a relocation |
5524 | will be emitted for a fixup. */ | |
5525 | ||
5526 | int | |
98027b10 | 5527 | ppc_force_relocation (fixS *fix) |
a161fe53 AM |
5528 | { |
5529 | /* Branch prediction relocations must force a relocation, as must | |
5530 | the vtable description relocs. */ | |
5531 | switch (fix->fx_r_type) | |
5532 | { | |
5533 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
5534 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
5535 | case BFD_RELOC_PPC_BA16_BRTAKEN: | |
5536 | case BFD_RELOC_PPC_BA16_BRNTAKEN: | |
c744ecf2 | 5537 | case BFD_RELOC_24_PLT_PCREL: |
a161fe53 | 5538 | case BFD_RELOC_PPC64_TOC: |
a161fe53 AM |
5539 | return 1; |
5540 | default: | |
5541 | break; | |
5542 | } | |
5543 | ||
cdba85ec AM |
5544 | if (fix->fx_r_type >= BFD_RELOC_PPC_TLS |
5545 | && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA) | |
5546 | return 1; | |
5547 | ||
ae6063d4 | 5548 | return generic_force_reloc (fix); |
a161fe53 AM |
5549 | } |
5550 | ||
0baf16f2 | 5551 | int |
98027b10 | 5552 | ppc_fix_adjustable (fixS *fix) |
252b5132 | 5553 | { |
0baf16f2 AM |
5554 | return (fix->fx_r_type != BFD_RELOC_16_GOTOFF |
5555 | && fix->fx_r_type != BFD_RELOC_LO16_GOTOFF | |
5556 | && fix->fx_r_type != BFD_RELOC_HI16_GOTOFF | |
5557 | && fix->fx_r_type != BFD_RELOC_HI16_S_GOTOFF | |
5558 | && fix->fx_r_type != BFD_RELOC_GPREL16 | |
5559 | && fix->fx_r_type != BFD_RELOC_VTABLE_INHERIT | |
5560 | && fix->fx_r_type != BFD_RELOC_VTABLE_ENTRY | |
cdba85ec | 5561 | && !(fix->fx_r_type >= BFD_RELOC_PPC_TLS |
ab1e9ef7 | 5562 | && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA)); |
252b5132 | 5563 | } |
0baf16f2 | 5564 | #endif |
252b5132 | 5565 | |
3aeeedbb AM |
5566 | /* Implement HANDLE_ALIGN. This writes the NOP pattern into an |
5567 | rs_align_code frag. */ | |
5568 | ||
5569 | void | |
5570 | ppc_handle_align (struct frag *fragP) | |
5571 | { | |
5572 | valueT count = (fragP->fr_next->fr_address | |
5573 | - (fragP->fr_address + fragP->fr_fix)); | |
5574 | ||
5575 | if (count != 0 && (count & 3) == 0) | |
5576 | { | |
5577 | char *dest = fragP->fr_literal + fragP->fr_fix; | |
5578 | ||
5579 | fragP->fr_var = 4; | |
5580 | md_number_to_chars (dest, 0x60000000, 4); | |
5581 | ||
5582 | if ((ppc_cpu & PPC_OPCODE_POWER6) != 0) | |
5583 | { | |
5584 | /* For power6, we want the last nop to be a group terminating | |
5585 | one, "ori 1,1,0". Do this by inserting an rs_fill frag | |
5586 | immediately after this one, with its address set to the last | |
5587 | nop location. This will automatically reduce the number of | |
5588 | nops in the current frag by one. */ | |
5589 | if (count > 4) | |
5590 | { | |
5591 | struct frag *group_nop = xmalloc (SIZEOF_STRUCT_FRAG + 4); | |
5592 | ||
5593 | memcpy (group_nop, fragP, SIZEOF_STRUCT_FRAG); | |
5594 | group_nop->fr_address = group_nop->fr_next->fr_address - 4; | |
5595 | group_nop->fr_fix = 0; | |
5596 | group_nop->fr_offset = 1; | |
5597 | group_nop->fr_type = rs_fill; | |
5598 | fragP->fr_next = group_nop; | |
5599 | dest = group_nop->fr_literal; | |
5600 | } | |
5601 | ||
5602 | md_number_to_chars (dest, 0x60210000, 4); | |
5603 | } | |
5604 | } | |
5605 | } | |
5606 | ||
252b5132 RH |
5607 | /* Apply a fixup to the object code. This is called for all the |
5608 | fixups we generated by the call to fix_new_exp, above. In the call | |
5609 | above we used a reloc code which was the largest legal reloc code | |
5610 | plus the operand index. Here we undo that to recover the operand | |
5611 | index. At this point all symbol values should be fully resolved, | |
5612 | and we attempt to completely resolve the reloc. If we can not do | |
5613 | that, we determine the correct reloc code and put it back in the | |
5614 | fixup. */ | |
5615 | ||
94f592af | 5616 | void |
98027b10 | 5617 | md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) |
252b5132 | 5618 | { |
94f592af | 5619 | valueT value = * valP; |
252b5132 RH |
5620 | |
5621 | #ifdef OBJ_ELF | |
94f592af | 5622 | if (fixP->fx_addsy != NULL) |
252b5132 | 5623 | { |
a161fe53 | 5624 | /* Hack around bfd_install_relocation brain damage. */ |
94f592af NC |
5625 | if (fixP->fx_pcrel) |
5626 | value += fixP->fx_frag->fr_address + fixP->fx_where; | |
252b5132 RH |
5627 | } |
5628 | else | |
94f592af | 5629 | fixP->fx_done = 1; |
252b5132 | 5630 | #else |
a161fe53 | 5631 | /* FIXME FIXME FIXME: The value we are passed in *valP includes |
7be1c489 AM |
5632 | the symbol values. If we are doing this relocation the code in |
5633 | write.c is going to call bfd_install_relocation, which is also | |
5634 | going to use the symbol value. That means that if the reloc is | |
5635 | fully resolved we want to use *valP since bfd_install_relocation is | |
5636 | not being used. | |
252b5132 | 5637 | However, if the reloc is not fully resolved we do not want to use |
a161fe53 AM |
5638 | *valP, and must use fx_offset instead. However, if the reloc |
5639 | is PC relative, we do want to use *valP since it includes the | |
252b5132 | 5640 | result of md_pcrel_from. This is confusing. */ |
94f592af NC |
5641 | if (fixP->fx_addsy == (symbolS *) NULL) |
5642 | fixP->fx_done = 1; | |
5643 | ||
5644 | else if (fixP->fx_pcrel) | |
5645 | ; | |
5646 | ||
252b5132 | 5647 | else |
a161fe53 AM |
5648 | value = fixP->fx_offset; |
5649 | #endif | |
5650 | ||
5651 | if (fixP->fx_subsy != (symbolS *) NULL) | |
252b5132 | 5652 | { |
a161fe53 AM |
5653 | /* We can't actually support subtracting a symbol. */ |
5654 | as_bad_where (fixP->fx_file, fixP->fx_line, _("expression too complex")); | |
252b5132 | 5655 | } |
252b5132 | 5656 | |
94f592af | 5657 | if ((int) fixP->fx_r_type >= (int) BFD_RELOC_UNUSED) |
252b5132 RH |
5658 | { |
5659 | int opindex; | |
5660 | const struct powerpc_operand *operand; | |
5661 | char *where; | |
5662 | unsigned long insn; | |
5663 | ||
94f592af | 5664 | opindex = (int) fixP->fx_r_type - (int) BFD_RELOC_UNUSED; |
252b5132 RH |
5665 | |
5666 | operand = &powerpc_operands[opindex]; | |
5667 | ||
5668 | #ifdef OBJ_XCOFF | |
0baf16f2 AM |
5669 | /* An instruction like `lwz 9,sym(30)' when `sym' is not a TOC symbol |
5670 | does not generate a reloc. It uses the offset of `sym' within its | |
5671 | csect. Other usages, such as `.long sym', generate relocs. This | |
5672 | is the documented behaviour of non-TOC symbols. */ | |
252b5132 | 5673 | if ((operand->flags & PPC_OPERAND_PARENS) != 0 |
b84bf58a | 5674 | && (operand->bitm & 0xfff0) == 0xfff0 |
252b5132 | 5675 | && operand->shift == 0 |
2b3c4602 | 5676 | && (operand->insert == NULL || ppc_obj64) |
94f592af NC |
5677 | && fixP->fx_addsy != NULL |
5678 | && symbol_get_tc (fixP->fx_addsy)->subseg != 0 | |
5679 | && symbol_get_tc (fixP->fx_addsy)->class != XMC_TC | |
5680 | && symbol_get_tc (fixP->fx_addsy)->class != XMC_TC0 | |
5681 | && S_GET_SEGMENT (fixP->fx_addsy) != bss_section) | |
252b5132 | 5682 | { |
94f592af NC |
5683 | value = fixP->fx_offset; |
5684 | fixP->fx_done = 1; | |
252b5132 RH |
5685 | } |
5686 | #endif | |
5687 | ||
5688 | /* Fetch the instruction, insert the fully resolved operand | |
5689 | value, and stuff the instruction back again. */ | |
94f592af | 5690 | where = fixP->fx_frag->fr_literal + fixP->fx_where; |
252b5132 RH |
5691 | if (target_big_endian) |
5692 | insn = bfd_getb32 ((unsigned char *) where); | |
5693 | else | |
5694 | insn = bfd_getl32 ((unsigned char *) where); | |
5695 | insn = ppc_insert_operand (insn, operand, (offsetT) value, | |
783de163 | 5696 | fixP->tc_fix_data.ppc_cpu, |
94f592af | 5697 | fixP->fx_file, fixP->fx_line); |
252b5132 RH |
5698 | if (target_big_endian) |
5699 | bfd_putb32 ((bfd_vma) insn, (unsigned char *) where); | |
5700 | else | |
5701 | bfd_putl32 ((bfd_vma) insn, (unsigned char *) where); | |
5702 | ||
94f592af NC |
5703 | if (fixP->fx_done) |
5704 | /* Nothing else to do here. */ | |
5705 | return; | |
252b5132 | 5706 | |
94f592af | 5707 | assert (fixP->fx_addsy != NULL); |
0baf16f2 | 5708 | |
252b5132 RH |
5709 | /* Determine a BFD reloc value based on the operand information. |
5710 | We are only prepared to turn a few of the operands into | |
0baf16f2 | 5711 | relocs. */ |
11b37b7b | 5712 | if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 |
b84bf58a | 5713 | && operand->bitm == 0x3fffffc |
11b37b7b | 5714 | && operand->shift == 0) |
94f592af | 5715 | fixP->fx_r_type = BFD_RELOC_PPC_B26; |
11b37b7b | 5716 | else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 |
b84bf58a | 5717 | && operand->bitm == 0xfffc |
11b37b7b | 5718 | && operand->shift == 0) |
95210096 AM |
5719 | { |
5720 | fixP->fx_r_type = BFD_RELOC_PPC_B16; | |
5721 | #ifdef OBJ_XCOFF | |
5722 | fixP->fx_size = 2; | |
5723 | if (target_big_endian) | |
5724 | fixP->fx_where += 2; | |
5725 | #endif | |
5726 | } | |
11b37b7b | 5727 | else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0 |
b84bf58a | 5728 | && operand->bitm == 0x3fffffc |
11b37b7b | 5729 | && operand->shift == 0) |
94f592af | 5730 | fixP->fx_r_type = BFD_RELOC_PPC_BA26; |
11b37b7b | 5731 | else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0 |
b84bf58a | 5732 | && operand->bitm == 0xfffc |
11b37b7b | 5733 | && operand->shift == 0) |
95210096 AM |
5734 | { |
5735 | fixP->fx_r_type = BFD_RELOC_PPC_BA16; | |
5736 | #ifdef OBJ_XCOFF | |
5737 | fixP->fx_size = 2; | |
5738 | if (target_big_endian) | |
5739 | fixP->fx_where += 2; | |
5740 | #endif | |
5741 | } | |
0baf16f2 | 5742 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
11b37b7b | 5743 | else if ((operand->flags & PPC_OPERAND_PARENS) != 0 |
b84bf58a | 5744 | && (operand->bitm & 0xfff0) == 0xfff0 |
a7fc733f | 5745 | && operand->shift == 0) |
11b37b7b | 5746 | { |
a7fc733f AM |
5747 | if (ppc_is_toc_sym (fixP->fx_addsy)) |
5748 | { | |
5749 | fixP->fx_r_type = BFD_RELOC_PPC_TOC16; | |
0baf16f2 | 5750 | #ifdef OBJ_ELF |
a7fc733f AM |
5751 | if (ppc_obj64 |
5752 | && (operand->flags & PPC_OPERAND_DS) != 0) | |
5753 | fixP->fx_r_type = BFD_RELOC_PPC64_TOC16_DS; | |
5754 | #endif | |
5755 | } | |
5756 | else | |
5757 | { | |
5758 | fixP->fx_r_type = BFD_RELOC_16; | |
5759 | #ifdef OBJ_ELF | |
5760 | if (ppc_obj64 | |
5761 | && (operand->flags & PPC_OPERAND_DS) != 0) | |
5762 | fixP->fx_r_type = BFD_RELOC_PPC64_ADDR16_DS; | |
0baf16f2 | 5763 | #endif |
a7fc733f | 5764 | } |
94f592af | 5765 | fixP->fx_size = 2; |
11b37b7b | 5766 | if (target_big_endian) |
94f592af | 5767 | fixP->fx_where += 2; |
11b37b7b | 5768 | } |
0baf16f2 | 5769 | #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */ |
11b37b7b | 5770 | else |
252b5132 RH |
5771 | { |
5772 | char *sfile; | |
5773 | unsigned int sline; | |
5774 | ||
5775 | /* Use expr_symbol_where to see if this is an expression | |
0baf16f2 | 5776 | symbol. */ |
94f592af NC |
5777 | if (expr_symbol_where (fixP->fx_addsy, &sfile, &sline)) |
5778 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
252b5132 RH |
5779 | _("unresolved expression that must be resolved")); |
5780 | else | |
94f592af | 5781 | as_bad_where (fixP->fx_file, fixP->fx_line, |
0baf16f2 | 5782 | _("unsupported relocation against %s"), |
94f592af NC |
5783 | S_GET_NAME (fixP->fx_addsy)); |
5784 | fixP->fx_done = 1; | |
5785 | return; | |
252b5132 RH |
5786 | } |
5787 | } | |
5788 | else | |
5789 | { | |
5790 | #ifdef OBJ_ELF | |
94f592af | 5791 | ppc_elf_validate_fix (fixP, seg); |
252b5132 | 5792 | #endif |
94f592af | 5793 | switch (fixP->fx_r_type) |
252b5132 | 5794 | { |
252b5132 | 5795 | case BFD_RELOC_CTOR: |
2b3c4602 | 5796 | if (ppc_obj64) |
9c7977b3 AM |
5797 | goto ctor64; |
5798 | /* fall through */ | |
5799 | ||
0baf16f2 | 5800 | case BFD_RELOC_32: |
94f592af NC |
5801 | if (fixP->fx_pcrel) |
5802 | fixP->fx_r_type = BFD_RELOC_32_PCREL; | |
99a814a1 | 5803 | /* fall through */ |
252b5132 RH |
5804 | |
5805 | case BFD_RELOC_RVA: | |
5806 | case BFD_RELOC_32_PCREL: | |
252b5132 | 5807 | case BFD_RELOC_PPC_EMB_NADDR32: |
94f592af | 5808 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
252b5132 RH |
5809 | value, 4); |
5810 | break; | |
5811 | ||
7f6d05e8 | 5812 | case BFD_RELOC_64: |
9c7977b3 | 5813 | ctor64: |
94f592af NC |
5814 | if (fixP->fx_pcrel) |
5815 | fixP->fx_r_type = BFD_RELOC_64_PCREL; | |
99a814a1 | 5816 | /* fall through */ |
0baf16f2 | 5817 | |
7f6d05e8 | 5818 | case BFD_RELOC_64_PCREL: |
94f592af | 5819 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
7f6d05e8 | 5820 | value, 8); |
81d4177b | 5821 | break; |
0baf16f2 | 5822 | |
252b5132 RH |
5823 | case BFD_RELOC_GPREL16: |
5824 | case BFD_RELOC_16_GOT_PCREL: | |
5825 | case BFD_RELOC_16_GOTOFF: | |
5826 | case BFD_RELOC_LO16_GOTOFF: | |
5827 | case BFD_RELOC_HI16_GOTOFF: | |
5828 | case BFD_RELOC_HI16_S_GOTOFF: | |
1cfc59d5 | 5829 | case BFD_RELOC_16_BASEREL: |
252b5132 RH |
5830 | case BFD_RELOC_LO16_BASEREL: |
5831 | case BFD_RELOC_HI16_BASEREL: | |
5832 | case BFD_RELOC_HI16_S_BASEREL: | |
5833 | case BFD_RELOC_PPC_EMB_NADDR16: | |
5834 | case BFD_RELOC_PPC_EMB_NADDR16_LO: | |
5835 | case BFD_RELOC_PPC_EMB_NADDR16_HI: | |
5836 | case BFD_RELOC_PPC_EMB_NADDR16_HA: | |
5837 | case BFD_RELOC_PPC_EMB_SDAI16: | |
5838 | case BFD_RELOC_PPC_EMB_SDA2REL: | |
5839 | case BFD_RELOC_PPC_EMB_SDA2I16: | |
5840 | case BFD_RELOC_PPC_EMB_RELSEC16: | |
5841 | case BFD_RELOC_PPC_EMB_RELST_LO: | |
5842 | case BFD_RELOC_PPC_EMB_RELST_HI: | |
5843 | case BFD_RELOC_PPC_EMB_RELST_HA: | |
5844 | case BFD_RELOC_PPC_EMB_RELSDA: | |
5845 | case BFD_RELOC_PPC_TOC16: | |
0baf16f2 | 5846 | #ifdef OBJ_ELF |
0baf16f2 AM |
5847 | case BFD_RELOC_PPC64_TOC16_LO: |
5848 | case BFD_RELOC_PPC64_TOC16_HI: | |
5849 | case BFD_RELOC_PPC64_TOC16_HA: | |
0baf16f2 | 5850 | #endif |
94f592af | 5851 | if (fixP->fx_pcrel) |
252b5132 | 5852 | { |
94f592af NC |
5853 | if (fixP->fx_addsy != NULL) |
5854 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
252b5132 | 5855 | _("cannot emit PC relative %s relocation against %s"), |
94f592af NC |
5856 | bfd_get_reloc_code_name (fixP->fx_r_type), |
5857 | S_GET_NAME (fixP->fx_addsy)); | |
252b5132 | 5858 | else |
94f592af | 5859 | as_bad_where (fixP->fx_file, fixP->fx_line, |
252b5132 | 5860 | _("cannot emit PC relative %s relocation"), |
94f592af | 5861 | bfd_get_reloc_code_name (fixP->fx_r_type)); |
252b5132 RH |
5862 | } |
5863 | ||
94f592af | 5864 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
252b5132 RH |
5865 | value, 2); |
5866 | break; | |
5867 | ||
3c9d25f4 AM |
5868 | case BFD_RELOC_16: |
5869 | if (fixP->fx_pcrel) | |
5870 | fixP->fx_r_type = BFD_RELOC_16_PCREL; | |
5871 | /* fall through */ | |
5872 | ||
5873 | case BFD_RELOC_16_PCREL: | |
5874 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, | |
5875 | value, 2); | |
5876 | break; | |
5877 | ||
5878 | case BFD_RELOC_LO16: | |
5879 | if (fixP->fx_pcrel) | |
5880 | fixP->fx_r_type = BFD_RELOC_LO16_PCREL; | |
5881 | /* fall through */ | |
5882 | ||
5883 | case BFD_RELOC_LO16_PCREL: | |
5884 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, | |
5885 | value, 2); | |
5886 | break; | |
5887 | ||
252b5132 RH |
5888 | /* This case happens when you write, for example, |
5889 | lis %r3,(L1-L2)@ha | |
5890 | where L1 and L2 are defined later. */ | |
5891 | case BFD_RELOC_HI16: | |
94f592af | 5892 | if (fixP->fx_pcrel) |
3c9d25f4 AM |
5893 | fixP->fx_r_type = BFD_RELOC_HI16_PCREL; |
5894 | /* fall through */ | |
5895 | ||
5896 | case BFD_RELOC_HI16_PCREL: | |
94f592af | 5897 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 | 5898 | PPC_HI (value), 2); |
252b5132 | 5899 | break; |
0baf16f2 | 5900 | |
252b5132 | 5901 | case BFD_RELOC_HI16_S: |
94f592af | 5902 | if (fixP->fx_pcrel) |
3c9d25f4 AM |
5903 | fixP->fx_r_type = BFD_RELOC_HI16_S_PCREL; |
5904 | /* fall through */ | |
5905 | ||
5906 | case BFD_RELOC_HI16_S_PCREL: | |
94f592af | 5907 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
5908 | PPC_HA (value), 2); |
5909 | break; | |
5910 | ||
5911 | #ifdef OBJ_ELF | |
0baf16f2 | 5912 | case BFD_RELOC_PPC64_HIGHER: |
94f592af | 5913 | if (fixP->fx_pcrel) |
0baf16f2 | 5914 | abort (); |
94f592af | 5915 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 | 5916 | PPC_HIGHER (value), 2); |
252b5132 RH |
5917 | break; |
5918 | ||
0baf16f2 | 5919 | case BFD_RELOC_PPC64_HIGHER_S: |
94f592af | 5920 | if (fixP->fx_pcrel) |
0baf16f2 | 5921 | abort (); |
94f592af | 5922 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
5923 | PPC_HIGHERA (value), 2); |
5924 | break; | |
5925 | ||
5926 | case BFD_RELOC_PPC64_HIGHEST: | |
94f592af | 5927 | if (fixP->fx_pcrel) |
0baf16f2 | 5928 | abort (); |
94f592af | 5929 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
5930 | PPC_HIGHEST (value), 2); |
5931 | break; | |
5932 | ||
5933 | case BFD_RELOC_PPC64_HIGHEST_S: | |
94f592af | 5934 | if (fixP->fx_pcrel) |
0baf16f2 | 5935 | abort (); |
94f592af | 5936 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
5937 | PPC_HIGHESTA (value), 2); |
5938 | break; | |
5939 | ||
5940 | case BFD_RELOC_PPC64_ADDR16_DS: | |
5941 | case BFD_RELOC_PPC64_ADDR16_LO_DS: | |
5942 | case BFD_RELOC_PPC64_GOT16_DS: | |
5943 | case BFD_RELOC_PPC64_GOT16_LO_DS: | |
5944 | case BFD_RELOC_PPC64_PLT16_LO_DS: | |
5945 | case BFD_RELOC_PPC64_SECTOFF_DS: | |
5946 | case BFD_RELOC_PPC64_SECTOFF_LO_DS: | |
5947 | case BFD_RELOC_PPC64_TOC16_DS: | |
5948 | case BFD_RELOC_PPC64_TOC16_LO_DS: | |
5949 | case BFD_RELOC_PPC64_PLTGOT16_DS: | |
5950 | case BFD_RELOC_PPC64_PLTGOT16_LO_DS: | |
94f592af | 5951 | if (fixP->fx_pcrel) |
0baf16f2 AM |
5952 | abort (); |
5953 | { | |
2132e3a3 | 5954 | char *where = fixP->fx_frag->fr_literal + fixP->fx_where; |
3d8aea2f | 5955 | unsigned long val, mask; |
0baf16f2 AM |
5956 | |
5957 | if (target_big_endian) | |
adadcc0c | 5958 | val = bfd_getb32 (where - 2); |
0baf16f2 | 5959 | else |
adadcc0c AM |
5960 | val = bfd_getl32 (where); |
5961 | mask = 0xfffc; | |
5962 | /* lq insns reserve the four lsbs. */ | |
5963 | if ((ppc_cpu & PPC_OPCODE_POWER4) != 0 | |
77a6138a | 5964 | && (val & (0x3f << 26)) == (56u << 26)) |
adadcc0c AM |
5965 | mask = 0xfff0; |
5966 | val |= value & mask; | |
0baf16f2 AM |
5967 | if (target_big_endian) |
5968 | bfd_putb16 ((bfd_vma) val, where); | |
5969 | else | |
5970 | bfd_putl16 ((bfd_vma) val, where); | |
5971 | } | |
5972 | break; | |
cdba85ec | 5973 | |
ba0b2174 AM |
5974 | case BFD_RELOC_PPC_B16_BRTAKEN: |
5975 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
5976 | case BFD_RELOC_PPC_BA16_BRTAKEN: | |
5977 | case BFD_RELOC_PPC_BA16_BRNTAKEN: | |
5978 | break; | |
5979 | ||
cdba85ec | 5980 | case BFD_RELOC_PPC_TLS: |
7c1d0959 L |
5981 | break; |
5982 | ||
cdba85ec AM |
5983 | case BFD_RELOC_PPC_DTPMOD: |
5984 | case BFD_RELOC_PPC_TPREL16: | |
5985 | case BFD_RELOC_PPC_TPREL16_LO: | |
5986 | case BFD_RELOC_PPC_TPREL16_HI: | |
5987 | case BFD_RELOC_PPC_TPREL16_HA: | |
5988 | case BFD_RELOC_PPC_TPREL: | |
5989 | case BFD_RELOC_PPC_DTPREL16: | |
5990 | case BFD_RELOC_PPC_DTPREL16_LO: | |
5991 | case BFD_RELOC_PPC_DTPREL16_HI: | |
5992 | case BFD_RELOC_PPC_DTPREL16_HA: | |
5993 | case BFD_RELOC_PPC_DTPREL: | |
5994 | case BFD_RELOC_PPC_GOT_TLSGD16: | |
5995 | case BFD_RELOC_PPC_GOT_TLSGD16_LO: | |
5996 | case BFD_RELOC_PPC_GOT_TLSGD16_HI: | |
5997 | case BFD_RELOC_PPC_GOT_TLSGD16_HA: | |
5998 | case BFD_RELOC_PPC_GOT_TLSLD16: | |
5999 | case BFD_RELOC_PPC_GOT_TLSLD16_LO: | |
6000 | case BFD_RELOC_PPC_GOT_TLSLD16_HI: | |
6001 | case BFD_RELOC_PPC_GOT_TLSLD16_HA: | |
6002 | case BFD_RELOC_PPC_GOT_TPREL16: | |
6003 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
6004 | case BFD_RELOC_PPC_GOT_TPREL16_HI: | |
6005 | case BFD_RELOC_PPC_GOT_TPREL16_HA: | |
6006 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
6007 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
6008 | case BFD_RELOC_PPC_GOT_DTPREL16_HI: | |
6009 | case BFD_RELOC_PPC_GOT_DTPREL16_HA: | |
6010 | case BFD_RELOC_PPC64_TPREL16_DS: | |
6011 | case BFD_RELOC_PPC64_TPREL16_LO_DS: | |
6012 | case BFD_RELOC_PPC64_TPREL16_HIGHER: | |
6013 | case BFD_RELOC_PPC64_TPREL16_HIGHERA: | |
6014 | case BFD_RELOC_PPC64_TPREL16_HIGHEST: | |
6015 | case BFD_RELOC_PPC64_TPREL16_HIGHESTA: | |
6016 | case BFD_RELOC_PPC64_DTPREL16_DS: | |
6017 | case BFD_RELOC_PPC64_DTPREL16_LO_DS: | |
6018 | case BFD_RELOC_PPC64_DTPREL16_HIGHER: | |
6019 | case BFD_RELOC_PPC64_DTPREL16_HIGHERA: | |
6020 | case BFD_RELOC_PPC64_DTPREL16_HIGHEST: | |
6021 | case BFD_RELOC_PPC64_DTPREL16_HIGHESTA: | |
7c1d0959 | 6022 | S_SET_THREAD_LOCAL (fixP->fx_addsy); |
cdba85ec | 6023 | break; |
0baf16f2 | 6024 | #endif |
252b5132 | 6025 | /* Because SDA21 modifies the register field, the size is set to 4 |
99a814a1 | 6026 | bytes, rather than 2, so offset it here appropriately. */ |
252b5132 | 6027 | case BFD_RELOC_PPC_EMB_SDA21: |
94f592af | 6028 | if (fixP->fx_pcrel) |
252b5132 RH |
6029 | abort (); |
6030 | ||
94f592af | 6031 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where |
252b5132 RH |
6032 | + ((target_big_endian) ? 2 : 0), |
6033 | value, 2); | |
6034 | break; | |
6035 | ||
6036 | case BFD_RELOC_8: | |
94f592af | 6037 | if (fixP->fx_pcrel) |
31a91399 NC |
6038 | { |
6039 | /* This can occur if there is a bug in the input assembler, eg: | |
b7d7dc63 | 6040 | ".byte <undefined_symbol> - ." */ |
31a91399 NC |
6041 | if (fixP->fx_addsy) |
6042 | as_bad (_("Unable to handle reference to symbol %s"), | |
6043 | S_GET_NAME (fixP->fx_addsy)); | |
6044 | else | |
6045 | as_bad (_("Unable to resolve expression")); | |
6046 | fixP->fx_done = 1; | |
6047 | } | |
6048 | else | |
6049 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, | |
6050 | value, 1); | |
252b5132 RH |
6051 | break; |
6052 | ||
6053 | case BFD_RELOC_24_PLT_PCREL: | |
6054 | case BFD_RELOC_PPC_LOCAL24PC: | |
94f592af | 6055 | if (!fixP->fx_pcrel && !fixP->fx_done) |
252b5132 RH |
6056 | abort (); |
6057 | ||
94f592af | 6058 | if (fixP->fx_done) |
99a814a1 AM |
6059 | { |
6060 | char *where; | |
6061 | unsigned long insn; | |
6062 | ||
6063 | /* Fetch the instruction, insert the fully resolved operand | |
6064 | value, and stuff the instruction back again. */ | |
94f592af | 6065 | where = fixP->fx_frag->fr_literal + fixP->fx_where; |
99a814a1 AM |
6066 | if (target_big_endian) |
6067 | insn = bfd_getb32 ((unsigned char *) where); | |
6068 | else | |
6069 | insn = bfd_getl32 ((unsigned char *) where); | |
6070 | if ((value & 3) != 0) | |
94f592af | 6071 | as_bad_where (fixP->fx_file, fixP->fx_line, |
99a814a1 AM |
6072 | _("must branch to an address a multiple of 4")); |
6073 | if ((offsetT) value < -0x40000000 | |
6074 | || (offsetT) value >= 0x40000000) | |
94f592af | 6075 | as_bad_where (fixP->fx_file, fixP->fx_line, |
99a814a1 AM |
6076 | _("@local or @plt branch destination is too far away, %ld bytes"), |
6077 | (long) value); | |
6078 | insn = insn | (value & 0x03fffffc); | |
6079 | if (target_big_endian) | |
6080 | bfd_putb32 ((bfd_vma) insn, (unsigned char *) where); | |
6081 | else | |
6082 | bfd_putl32 ((bfd_vma) insn, (unsigned char *) where); | |
6083 | } | |
252b5132 RH |
6084 | break; |
6085 | ||
6086 | case BFD_RELOC_VTABLE_INHERIT: | |
94f592af NC |
6087 | fixP->fx_done = 0; |
6088 | if (fixP->fx_addsy | |
6089 | && !S_IS_DEFINED (fixP->fx_addsy) | |
6090 | && !S_IS_WEAK (fixP->fx_addsy)) | |
6091 | S_SET_WEAK (fixP->fx_addsy); | |
252b5132 RH |
6092 | break; |
6093 | ||
6094 | case BFD_RELOC_VTABLE_ENTRY: | |
94f592af | 6095 | fixP->fx_done = 0; |
252b5132 RH |
6096 | break; |
6097 | ||
0baf16f2 | 6098 | #ifdef OBJ_ELF |
0baf16f2 AM |
6099 | /* Generated by reference to `sym@tocbase'. The sym is |
6100 | ignored by the linker. */ | |
6101 | case BFD_RELOC_PPC64_TOC: | |
94f592af | 6102 | fixP->fx_done = 0; |
0baf16f2 | 6103 | break; |
0baf16f2 | 6104 | #endif |
252b5132 | 6105 | default: |
bc805888 | 6106 | fprintf (stderr, |
94f592af | 6107 | _("Gas failure, reloc value %d\n"), fixP->fx_r_type); |
99a814a1 | 6108 | fflush (stderr); |
252b5132 RH |
6109 | abort (); |
6110 | } | |
6111 | } | |
6112 | ||
6113 | #ifdef OBJ_ELF | |
94f592af | 6114 | fixP->fx_addnumber = value; |
4e6935a6 AM |
6115 | |
6116 | /* PowerPC uses RELA relocs, ie. the reloc addend is stored separately | |
6117 | from the section contents. If we are going to be emitting a reloc | |
6118 | then the section contents are immaterial, so don't warn if they | |
6119 | happen to overflow. Leave such warnings to ld. */ | |
6120 | if (!fixP->fx_done) | |
6121 | fixP->fx_no_overflow = 1; | |
252b5132 | 6122 | #else |
94f592af NC |
6123 | if (fixP->fx_r_type != BFD_RELOC_PPC_TOC16) |
6124 | fixP->fx_addnumber = 0; | |
252b5132 RH |
6125 | else |
6126 | { | |
6127 | #ifdef TE_PE | |
94f592af | 6128 | fixP->fx_addnumber = 0; |
252b5132 | 6129 | #else |
8edcbfcd TG |
6130 | /* We want to use the offset within the toc, not the actual VMA |
6131 | of the symbol. */ | |
94f592af | 6132 | fixP->fx_addnumber = |
8edcbfcd TG |
6133 | - bfd_get_section_vma (stdoutput, S_GET_SEGMENT (fixP->fx_addsy)) |
6134 | - S_GET_VALUE (ppc_toc_csect); | |
252b5132 RH |
6135 | #endif |
6136 | } | |
6137 | #endif | |
252b5132 RH |
6138 | } |
6139 | ||
6140 | /* Generate a reloc for a fixup. */ | |
6141 | ||
6142 | arelent * | |
98027b10 | 6143 | tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED, fixS *fixp) |
252b5132 RH |
6144 | { |
6145 | arelent *reloc; | |
6146 | ||
6147 | reloc = (arelent *) xmalloc (sizeof (arelent)); | |
6148 | ||
49309057 ILT |
6149 | reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); |
6150 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
252b5132 RH |
6151 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; |
6152 | reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type); | |
6153 | if (reloc->howto == (reloc_howto_type *) NULL) | |
6154 | { | |
6155 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
99a814a1 AM |
6156 | _("reloc %d not supported by object file format"), |
6157 | (int) fixp->fx_r_type); | |
252b5132 RH |
6158 | return NULL; |
6159 | } | |
6160 | reloc->addend = fixp->fx_addnumber; | |
6161 | ||
6162 | return reloc; | |
6163 | } | |
75e21f08 JJ |
6164 | |
6165 | void | |
98027b10 | 6166 | ppc_cfi_frame_initial_instructions (void) |
75e21f08 JJ |
6167 | { |
6168 | cfi_add_CFA_def_cfa (1, 0); | |
6169 | } | |
6170 | ||
6171 | int | |
1df69f4f | 6172 | tc_ppc_regname_to_dw2regnum (char *regname) |
75e21f08 JJ |
6173 | { |
6174 | unsigned int regnum = -1; | |
6175 | unsigned int i; | |
6176 | const char *p; | |
6177 | char *q; | |
6178 | static struct { char *name; int dw2regnum; } regnames[] = | |
6179 | { | |
6180 | { "sp", 1 }, { "r.sp", 1 }, { "rtoc", 2 }, { "r.toc", 2 }, | |
6181 | { "mq", 64 }, { "lr", 65 }, { "ctr", 66 }, { "ap", 67 }, | |
80f846b6 | 6182 | { "cr", 70 }, { "xer", 76 }, { "vrsave", 109 }, { "vscr", 110 }, |
75e21f08 JJ |
6183 | { "spe_acc", 111 }, { "spefscr", 112 } |
6184 | }; | |
6185 | ||
6186 | for (i = 0; i < ARRAY_SIZE (regnames); ++i) | |
6187 | if (strcmp (regnames[i].name, regname) == 0) | |
6188 | return regnames[i].dw2regnum; | |
6189 | ||
6190 | if (regname[0] == 'r' || regname[0] == 'f' || regname[0] == 'v') | |
6191 | { | |
6192 | p = regname + 1 + (regname[1] == '.'); | |
6193 | regnum = strtoul (p, &q, 10); | |
6194 | if (p == q || *q || regnum >= 32) | |
6195 | return -1; | |
6196 | if (regname[0] == 'f') | |
b7d7dc63 | 6197 | regnum += 32; |
75e21f08 | 6198 | else if (regname[0] == 'v') |
b7d7dc63 | 6199 | regnum += 77; |
75e21f08 JJ |
6200 | } |
6201 | else if (regname[0] == 'c' && regname[1] == 'r') | |
6202 | { | |
6203 | p = regname + 2 + (regname[2] == '.'); | |
6204 | if (p[0] < '0' || p[0] > '7' || p[1]) | |
b7d7dc63 | 6205 | return -1; |
75e21f08 JJ |
6206 | regnum = p[0] - '0' + 68; |
6207 | } | |
6208 | return regnum; | |
6209 | } |