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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, |
0dc93057 | 3 | 2004, 2005, 2006, 2007, 2008, 2009, 2010 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); | |
c865e45b | 111 | static void ppc_ref (int); |
98027b10 AM |
112 | static void ppc_section (int); |
113 | static void ppc_named_section (int); | |
114 | static void ppc_stabx (int); | |
115 | static void ppc_rename (int); | |
116 | static void ppc_toc (int); | |
117 | static void ppc_xcoff_cons (int); | |
118 | static void ppc_vbyte (int); | |
252b5132 RH |
119 | #endif |
120 | ||
121 | #ifdef OBJ_ELF | |
98027b10 AM |
122 | static void ppc_elf_cons (int); |
123 | static void ppc_elf_rdata (int); | |
124 | static void ppc_elf_lcomm (int); | |
252b5132 RH |
125 | #endif |
126 | ||
127 | #ifdef TE_PE | |
98027b10 AM |
128 | static void ppc_previous (int); |
129 | static void ppc_pdata (int); | |
130 | static void ppc_ydata (int); | |
131 | static void ppc_reldata (int); | |
132 | static void ppc_rdata (int); | |
133 | static void ppc_ualong (int); | |
134 | static void ppc_znop (int); | |
135 | static void ppc_pe_comm (int); | |
136 | static void ppc_pe_section (int); | |
137 | static void ppc_pe_function (int); | |
138 | static void ppc_pe_tocd (int); | |
252b5132 RH |
139 | #endif |
140 | \f | |
141 | /* Generic assembler global variables which must be defined by all | |
142 | targets. */ | |
143 | ||
144 | #ifdef OBJ_ELF | |
145 | /* This string holds the chars that always start a comment. If the | |
146 | pre-processor is disabled, these aren't very useful. The macro | |
147 | tc_comment_chars points to this. We use this, rather than the | |
148 | usual comment_chars, so that we can switch for Solaris conventions. */ | |
149 | static const char ppc_solaris_comment_chars[] = "#!"; | |
150 | static const char ppc_eabi_comment_chars[] = "#"; | |
151 | ||
152 | #ifdef TARGET_SOLARIS_COMMENT | |
153 | const char *ppc_comment_chars = ppc_solaris_comment_chars; | |
154 | #else | |
155 | const char *ppc_comment_chars = ppc_eabi_comment_chars; | |
156 | #endif | |
157 | #else | |
158 | const char comment_chars[] = "#"; | |
159 | #endif | |
160 | ||
161 | /* Characters which start a comment at the beginning of a line. */ | |
162 | const char line_comment_chars[] = "#"; | |
163 | ||
164 | /* Characters which may be used to separate multiple commands on a | |
165 | single line. */ | |
166 | const char line_separator_chars[] = ";"; | |
167 | ||
168 | /* Characters which are used to indicate an exponent in a floating | |
169 | point number. */ | |
170 | const char EXP_CHARS[] = "eE"; | |
171 | ||
172 | /* Characters which mean that a number is a floating point constant, | |
173 | as in 0d1.0. */ | |
174 | const char FLT_CHARS[] = "dD"; | |
5ce8663f | 175 | |
5e02f92e | 176 | /* Anything that can start an operand needs to be mentioned here, |
ac805826 | 177 | to stop the input scrubber eating whitespace. */ |
5e02f92e | 178 | const char ppc_symbol_chars[] = "%["; |
75e21f08 JJ |
179 | |
180 | /* The dwarf2 data alignment, adjusted for 32 or 64 bit. */ | |
181 | int ppc_cie_data_alignment; | |
783de163 AM |
182 | |
183 | /* The type of processor we are assembling for. This is one or more | |
184 | of the PPC_OPCODE flags defined in opcode/ppc.h. */ | |
fa452fa6 | 185 | ppc_cpu_t ppc_cpu = 0; |
01efc3af AM |
186 | |
187 | /* Flags set on encountering toc relocs. */ | |
188 | enum { | |
189 | has_large_toc_reloc = 1, | |
190 | has_small_toc_reloc = 2 | |
191 | } toc_reloc_types; | |
252b5132 RH |
192 | \f |
193 | /* The target specific pseudo-ops which we support. */ | |
194 | ||
195 | const pseudo_typeS md_pseudo_table[] = | |
196 | { | |
197 | /* Pseudo-ops which must be overridden. */ | |
198 | { "byte", ppc_byte, 0 }, | |
199 | ||
200 | #ifdef OBJ_XCOFF | |
201 | /* Pseudo-ops specific to the RS/6000 XCOFF format. Some of these | |
202 | legitimately belong in the obj-*.c file. However, XCOFF is based | |
203 | on COFF, and is only implemented for the RS/6000. We just use | |
204 | obj-coff.c, and add what we need here. */ | |
205 | { "comm", ppc_comm, 0 }, | |
206 | { "lcomm", ppc_comm, 1 }, | |
207 | { "bb", ppc_bb, 0 }, | |
208 | { "bc", ppc_bc, 0 }, | |
209 | { "bf", ppc_bf, 0 }, | |
210 | { "bi", ppc_biei, 0 }, | |
211 | { "bs", ppc_bs, 0 }, | |
212 | { "csect", ppc_csect, 0 }, | |
213 | { "data", ppc_section, 'd' }, | |
214 | { "eb", ppc_eb, 0 }, | |
215 | { "ec", ppc_ec, 0 }, | |
216 | { "ef", ppc_ef, 0 }, | |
217 | { "ei", ppc_biei, 1 }, | |
218 | { "es", ppc_es, 0 }, | |
219 | { "extern", ppc_extern, 0 }, | |
220 | { "function", ppc_function, 0 }, | |
221 | { "lglobl", ppc_lglobl, 0 }, | |
c865e45b | 222 | { "ref", ppc_ref, 0 }, |
252b5132 RH |
223 | { "rename", ppc_rename, 0 }, |
224 | { "section", ppc_named_section, 0 }, | |
225 | { "stabx", ppc_stabx, 0 }, | |
226 | { "text", ppc_section, 't' }, | |
227 | { "toc", ppc_toc, 0 }, | |
228 | { "long", ppc_xcoff_cons, 2 }, | |
7f6d05e8 | 229 | { "llong", ppc_xcoff_cons, 3 }, |
252b5132 RH |
230 | { "word", ppc_xcoff_cons, 1 }, |
231 | { "short", ppc_xcoff_cons, 1 }, | |
232 | { "vbyte", ppc_vbyte, 0 }, | |
233 | #endif | |
234 | ||
235 | #ifdef OBJ_ELF | |
0baf16f2 AM |
236 | { "llong", ppc_elf_cons, 8 }, |
237 | { "quad", ppc_elf_cons, 8 }, | |
252b5132 RH |
238 | { "long", ppc_elf_cons, 4 }, |
239 | { "word", ppc_elf_cons, 2 }, | |
240 | { "short", ppc_elf_cons, 2 }, | |
241 | { "rdata", ppc_elf_rdata, 0 }, | |
242 | { "rodata", ppc_elf_rdata, 0 }, | |
243 | { "lcomm", ppc_elf_lcomm, 0 }, | |
244 | #endif | |
245 | ||
246 | #ifdef TE_PE | |
99a814a1 | 247 | /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */ |
252b5132 RH |
248 | { "previous", ppc_previous, 0 }, |
249 | { "pdata", ppc_pdata, 0 }, | |
250 | { "ydata", ppc_ydata, 0 }, | |
251 | { "reldata", ppc_reldata, 0 }, | |
252 | { "rdata", ppc_rdata, 0 }, | |
253 | { "ualong", ppc_ualong, 0 }, | |
254 | { "znop", ppc_znop, 0 }, | |
255 | { "comm", ppc_pe_comm, 0 }, | |
256 | { "lcomm", ppc_pe_comm, 1 }, | |
257 | { "section", ppc_pe_section, 0 }, | |
258 | { "function", ppc_pe_function,0 }, | |
259 | { "tocd", ppc_pe_tocd, 0 }, | |
260 | #endif | |
261 | ||
0baf16f2 | 262 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
252b5132 | 263 | { "tc", ppc_tc, 0 }, |
0baf16f2 AM |
264 | { "machine", ppc_machine, 0 }, |
265 | #endif | |
252b5132 RH |
266 | |
267 | { NULL, NULL, 0 } | |
268 | }; | |
269 | ||
270 | \f | |
99a814a1 AM |
271 | /* Predefined register names if -mregnames (or default for Windows NT). |
272 | In general, there are lots of them, in an attempt to be compatible | |
273 | with a number of other Windows NT assemblers. */ | |
252b5132 RH |
274 | |
275 | /* Structure to hold information about predefined registers. */ | |
276 | struct pd_reg | |
277 | { | |
278 | char *name; | |
279 | int value; | |
280 | }; | |
281 | ||
282 | /* List of registers that are pre-defined: | |
283 | ||
284 | Each general register has predefined names of the form: | |
285 | 1. r<reg_num> which has the value <reg_num>. | |
286 | 2. r.<reg_num> which has the value <reg_num>. | |
287 | ||
252b5132 RH |
288 | Each floating point register has predefined names of the form: |
289 | 1. f<reg_num> which has the value <reg_num>. | |
290 | 2. f.<reg_num> which has the value <reg_num>. | |
291 | ||
7a899fff C |
292 | Each vector unit register has predefined names of the form: |
293 | 1. v<reg_num> which has the value <reg_num>. | |
294 | 2. v.<reg_num> which has the value <reg_num>. | |
295 | ||
252b5132 RH |
296 | Each condition register has predefined names of the form: |
297 | 1. cr<reg_num> which has the value <reg_num>. | |
298 | 2. cr.<reg_num> which has the value <reg_num>. | |
299 | ||
300 | There are individual registers as well: | |
301 | sp or r.sp has the value 1 | |
302 | rtoc or r.toc has the value 2 | |
303 | fpscr has the value 0 | |
304 | xer has the value 1 | |
305 | lr has the value 8 | |
306 | ctr has the value 9 | |
307 | pmr has the value 0 | |
308 | dar has the value 19 | |
309 | dsisr has the value 18 | |
310 | dec has the value 22 | |
311 | sdr1 has the value 25 | |
312 | srr0 has the value 26 | |
313 | srr1 has the value 27 | |
314 | ||
81d4177b | 315 | The table is sorted. Suitable for searching by a binary search. */ |
252b5132 RH |
316 | |
317 | static const struct pd_reg pre_defined_registers[] = | |
318 | { | |
319 | { "cr.0", 0 }, /* Condition Registers */ | |
320 | { "cr.1", 1 }, | |
321 | { "cr.2", 2 }, | |
322 | { "cr.3", 3 }, | |
323 | { "cr.4", 4 }, | |
324 | { "cr.5", 5 }, | |
325 | { "cr.6", 6 }, | |
326 | { "cr.7", 7 }, | |
327 | ||
328 | { "cr0", 0 }, | |
329 | { "cr1", 1 }, | |
330 | { "cr2", 2 }, | |
331 | { "cr3", 3 }, | |
332 | { "cr4", 4 }, | |
333 | { "cr5", 5 }, | |
334 | { "cr6", 6 }, | |
335 | { "cr7", 7 }, | |
336 | ||
337 | { "ctr", 9 }, | |
338 | ||
339 | { "dar", 19 }, /* Data Access Register */ | |
340 | { "dec", 22 }, /* Decrementer */ | |
341 | { "dsisr", 18 }, /* Data Storage Interrupt Status Register */ | |
342 | ||
343 | { "f.0", 0 }, /* Floating point registers */ | |
81d4177b KH |
344 | { "f.1", 1 }, |
345 | { "f.10", 10 }, | |
346 | { "f.11", 11 }, | |
347 | { "f.12", 12 }, | |
348 | { "f.13", 13 }, | |
349 | { "f.14", 14 }, | |
350 | { "f.15", 15 }, | |
351 | { "f.16", 16 }, | |
352 | { "f.17", 17 }, | |
353 | { "f.18", 18 }, | |
354 | { "f.19", 19 }, | |
355 | { "f.2", 2 }, | |
356 | { "f.20", 20 }, | |
357 | { "f.21", 21 }, | |
358 | { "f.22", 22 }, | |
359 | { "f.23", 23 }, | |
360 | { "f.24", 24 }, | |
361 | { "f.25", 25 }, | |
362 | { "f.26", 26 }, | |
363 | { "f.27", 27 }, | |
364 | { "f.28", 28 }, | |
365 | { "f.29", 29 }, | |
366 | { "f.3", 3 }, | |
252b5132 RH |
367 | { "f.30", 30 }, |
368 | { "f.31", 31 }, | |
066be9f7 PB |
369 | |
370 | { "f.32", 32 }, /* Extended floating point scalar registers (ISA 2.06). */ | |
371 | { "f.33", 33 }, | |
372 | { "f.34", 34 }, | |
373 | { "f.35", 35 }, | |
374 | { "f.36", 36 }, | |
375 | { "f.37", 37 }, | |
376 | { "f.38", 38 }, | |
377 | { "f.39", 39 }, | |
81d4177b | 378 | { "f.4", 4 }, |
066be9f7 PB |
379 | { "f.40", 40 }, |
380 | { "f.41", 41 }, | |
381 | { "f.42", 42 }, | |
382 | { "f.43", 43 }, | |
383 | { "f.44", 44 }, | |
384 | { "f.45", 45 }, | |
385 | { "f.46", 46 }, | |
386 | { "f.47", 47 }, | |
387 | { "f.48", 48 }, | |
388 | { "f.49", 49 }, | |
81d4177b | 389 | { "f.5", 5 }, |
066be9f7 PB |
390 | { "f.50", 50 }, |
391 | { "f.51", 51 }, | |
392 | { "f.52", 52 }, | |
393 | { "f.53", 53 }, | |
394 | { "f.54", 54 }, | |
395 | { "f.55", 55 }, | |
396 | { "f.56", 56 }, | |
397 | { "f.57", 57 }, | |
398 | { "f.58", 58 }, | |
399 | { "f.59", 59 }, | |
81d4177b | 400 | { "f.6", 6 }, |
066be9f7 PB |
401 | { "f.60", 60 }, |
402 | { "f.61", 61 }, | |
403 | { "f.62", 62 }, | |
404 | { "f.63", 63 }, | |
81d4177b KH |
405 | { "f.7", 7 }, |
406 | { "f.8", 8 }, | |
407 | { "f.9", 9 }, | |
408 | ||
409 | { "f0", 0 }, | |
410 | { "f1", 1 }, | |
411 | { "f10", 10 }, | |
412 | { "f11", 11 }, | |
413 | { "f12", 12 }, | |
414 | { "f13", 13 }, | |
415 | { "f14", 14 }, | |
416 | { "f15", 15 }, | |
417 | { "f16", 16 }, | |
418 | { "f17", 17 }, | |
419 | { "f18", 18 }, | |
420 | { "f19", 19 }, | |
421 | { "f2", 2 }, | |
422 | { "f20", 20 }, | |
423 | { "f21", 21 }, | |
424 | { "f22", 22 }, | |
425 | { "f23", 23 }, | |
426 | { "f24", 24 }, | |
427 | { "f25", 25 }, | |
428 | { "f26", 26 }, | |
429 | { "f27", 27 }, | |
430 | { "f28", 28 }, | |
431 | { "f29", 29 }, | |
432 | { "f3", 3 }, | |
252b5132 RH |
433 | { "f30", 30 }, |
434 | { "f31", 31 }, | |
066be9f7 PB |
435 | |
436 | { "f32", 32 }, /* Extended floating point scalar registers (ISA 2.06). */ | |
437 | { "f33", 33 }, | |
438 | { "f34", 34 }, | |
439 | { "f35", 35 }, | |
440 | { "f36", 36 }, | |
441 | { "f37", 37 }, | |
442 | { "f38", 38 }, | |
443 | { "f39", 39 }, | |
81d4177b | 444 | { "f4", 4 }, |
066be9f7 PB |
445 | { "f40", 40 }, |
446 | { "f41", 41 }, | |
447 | { "f42", 42 }, | |
448 | { "f43", 43 }, | |
449 | { "f44", 44 }, | |
450 | { "f45", 45 }, | |
451 | { "f46", 46 }, | |
452 | { "f47", 47 }, | |
453 | { "f48", 48 }, | |
454 | { "f49", 49 }, | |
81d4177b | 455 | { "f5", 5 }, |
066be9f7 PB |
456 | { "f50", 50 }, |
457 | { "f51", 51 }, | |
458 | { "f52", 52 }, | |
459 | { "f53", 53 }, | |
460 | { "f54", 54 }, | |
461 | { "f55", 55 }, | |
462 | { "f56", 56 }, | |
463 | { "f57", 57 }, | |
464 | { "f58", 58 }, | |
465 | { "f59", 59 }, | |
81d4177b | 466 | { "f6", 6 }, |
066be9f7 PB |
467 | { "f60", 60 }, |
468 | { "f61", 61 }, | |
469 | { "f62", 62 }, | |
470 | { "f63", 63 }, | |
81d4177b KH |
471 | { "f7", 7 }, |
472 | { "f8", 8 }, | |
473 | { "f9", 9 }, | |
252b5132 RH |
474 | |
475 | { "fpscr", 0 }, | |
476 | ||
c3d65c1c BE |
477 | /* Quantization registers used with pair single instructions. */ |
478 | { "gqr.0", 0 }, | |
479 | { "gqr.1", 1 }, | |
480 | { "gqr.2", 2 }, | |
481 | { "gqr.3", 3 }, | |
482 | { "gqr.4", 4 }, | |
483 | { "gqr.5", 5 }, | |
484 | { "gqr.6", 6 }, | |
485 | { "gqr.7", 7 }, | |
486 | { "gqr0", 0 }, | |
487 | { "gqr1", 1 }, | |
488 | { "gqr2", 2 }, | |
489 | { "gqr3", 3 }, | |
490 | { "gqr4", 4 }, | |
491 | { "gqr5", 5 }, | |
492 | { "gqr6", 6 }, | |
493 | { "gqr7", 7 }, | |
494 | ||
252b5132 RH |
495 | { "lr", 8 }, /* Link Register */ |
496 | ||
497 | { "pmr", 0 }, | |
498 | ||
499 | { "r.0", 0 }, /* General Purpose Registers */ | |
500 | { "r.1", 1 }, | |
501 | { "r.10", 10 }, | |
502 | { "r.11", 11 }, | |
503 | { "r.12", 12 }, | |
504 | { "r.13", 13 }, | |
505 | { "r.14", 14 }, | |
506 | { "r.15", 15 }, | |
507 | { "r.16", 16 }, | |
508 | { "r.17", 17 }, | |
509 | { "r.18", 18 }, | |
510 | { "r.19", 19 }, | |
511 | { "r.2", 2 }, | |
512 | { "r.20", 20 }, | |
513 | { "r.21", 21 }, | |
514 | { "r.22", 22 }, | |
515 | { "r.23", 23 }, | |
516 | { "r.24", 24 }, | |
517 | { "r.25", 25 }, | |
518 | { "r.26", 26 }, | |
519 | { "r.27", 27 }, | |
520 | { "r.28", 28 }, | |
521 | { "r.29", 29 }, | |
522 | { "r.3", 3 }, | |
523 | { "r.30", 30 }, | |
524 | { "r.31", 31 }, | |
525 | { "r.4", 4 }, | |
526 | { "r.5", 5 }, | |
527 | { "r.6", 6 }, | |
528 | { "r.7", 7 }, | |
529 | { "r.8", 8 }, | |
530 | { "r.9", 9 }, | |
531 | ||
532 | { "r.sp", 1 }, /* Stack Pointer */ | |
533 | ||
534 | { "r.toc", 2 }, /* Pointer to the table of contents */ | |
535 | ||
536 | { "r0", 0 }, /* More general purpose registers */ | |
537 | { "r1", 1 }, | |
538 | { "r10", 10 }, | |
539 | { "r11", 11 }, | |
540 | { "r12", 12 }, | |
541 | { "r13", 13 }, | |
542 | { "r14", 14 }, | |
543 | { "r15", 15 }, | |
544 | { "r16", 16 }, | |
545 | { "r17", 17 }, | |
546 | { "r18", 18 }, | |
547 | { "r19", 19 }, | |
548 | { "r2", 2 }, | |
549 | { "r20", 20 }, | |
550 | { "r21", 21 }, | |
551 | { "r22", 22 }, | |
552 | { "r23", 23 }, | |
553 | { "r24", 24 }, | |
554 | { "r25", 25 }, | |
555 | { "r26", 26 }, | |
556 | { "r27", 27 }, | |
557 | { "r28", 28 }, | |
558 | { "r29", 29 }, | |
559 | { "r3", 3 }, | |
560 | { "r30", 30 }, | |
561 | { "r31", 31 }, | |
562 | { "r4", 4 }, | |
563 | { "r5", 5 }, | |
564 | { "r6", 6 }, | |
565 | { "r7", 7 }, | |
566 | { "r8", 8 }, | |
567 | { "r9", 9 }, | |
568 | ||
569 | { "rtoc", 2 }, /* Table of contents */ | |
570 | ||
571 | { "sdr1", 25 }, /* Storage Description Register 1 */ | |
572 | ||
573 | { "sp", 1 }, | |
574 | ||
575 | { "srr0", 26 }, /* Machine Status Save/Restore Register 0 */ | |
576 | { "srr1", 27 }, /* Machine Status Save/Restore Register 1 */ | |
81d4177b | 577 | |
066be9f7 | 578 | { "v.0", 0 }, /* Vector (Altivec/VMX) registers */ |
81d4177b KH |
579 | { "v.1", 1 }, |
580 | { "v.10", 10 }, | |
581 | { "v.11", 11 }, | |
582 | { "v.12", 12 }, | |
583 | { "v.13", 13 }, | |
584 | { "v.14", 14 }, | |
585 | { "v.15", 15 }, | |
586 | { "v.16", 16 }, | |
587 | { "v.17", 17 }, | |
588 | { "v.18", 18 }, | |
589 | { "v.19", 19 }, | |
590 | { "v.2", 2 }, | |
591 | { "v.20", 20 }, | |
592 | { "v.21", 21 }, | |
593 | { "v.22", 22 }, | |
594 | { "v.23", 23 }, | |
595 | { "v.24", 24 }, | |
596 | { "v.25", 25 }, | |
597 | { "v.26", 26 }, | |
598 | { "v.27", 27 }, | |
599 | { "v.28", 28 }, | |
600 | { "v.29", 29 }, | |
601 | { "v.3", 3 }, | |
7a899fff C |
602 | { "v.30", 30 }, |
603 | { "v.31", 31 }, | |
81d4177b KH |
604 | { "v.4", 4 }, |
605 | { "v.5", 5 }, | |
606 | { "v.6", 6 }, | |
607 | { "v.7", 7 }, | |
608 | { "v.8", 8 }, | |
609 | { "v.9", 9 }, | |
7a899fff C |
610 | |
611 | { "v0", 0 }, | |
81d4177b KH |
612 | { "v1", 1 }, |
613 | { "v10", 10 }, | |
614 | { "v11", 11 }, | |
615 | { "v12", 12 }, | |
616 | { "v13", 13 }, | |
617 | { "v14", 14 }, | |
618 | { "v15", 15 }, | |
619 | { "v16", 16 }, | |
620 | { "v17", 17 }, | |
621 | { "v18", 18 }, | |
622 | { "v19", 19 }, | |
623 | { "v2", 2 }, | |
624 | { "v20", 20 }, | |
625 | { "v21", 21 }, | |
626 | { "v22", 22 }, | |
627 | { "v23", 23 }, | |
628 | { "v24", 24 }, | |
629 | { "v25", 25 }, | |
630 | { "v26", 26 }, | |
631 | { "v27", 27 }, | |
632 | { "v28", 28 }, | |
633 | { "v29", 29 }, | |
634 | { "v3", 3 }, | |
7a899fff C |
635 | { "v30", 30 }, |
636 | { "v31", 31 }, | |
81d4177b KH |
637 | { "v4", 4 }, |
638 | { "v5", 5 }, | |
639 | { "v6", 6 }, | |
640 | { "v7", 7 }, | |
641 | { "v8", 8 }, | |
7a899fff | 642 | { "v9", 9 }, |
252b5132 | 643 | |
066be9f7 PB |
644 | { "vs.0", 0 }, /* Vector Scalar (VSX) registers (ISA 2.06). */ |
645 | { "vs.1", 1 }, | |
646 | { "vs.10", 10 }, | |
647 | { "vs.11", 11 }, | |
648 | { "vs.12", 12 }, | |
649 | { "vs.13", 13 }, | |
650 | { "vs.14", 14 }, | |
651 | { "vs.15", 15 }, | |
652 | { "vs.16", 16 }, | |
653 | { "vs.17", 17 }, | |
654 | { "vs.18", 18 }, | |
655 | { "vs.19", 19 }, | |
656 | { "vs.2", 2 }, | |
657 | { "vs.20", 20 }, | |
658 | { "vs.21", 21 }, | |
659 | { "vs.22", 22 }, | |
660 | { "vs.23", 23 }, | |
661 | { "vs.24", 24 }, | |
662 | { "vs.25", 25 }, | |
663 | { "vs.26", 26 }, | |
664 | { "vs.27", 27 }, | |
665 | { "vs.28", 28 }, | |
666 | { "vs.29", 29 }, | |
667 | { "vs.3", 3 }, | |
668 | { "vs.30", 30 }, | |
669 | { "vs.31", 31 }, | |
670 | { "vs.32", 32 }, | |
671 | { "vs.33", 33 }, | |
672 | { "vs.34", 34 }, | |
673 | { "vs.35", 35 }, | |
674 | { "vs.36", 36 }, | |
675 | { "vs.37", 37 }, | |
676 | { "vs.38", 38 }, | |
677 | { "vs.39", 39 }, | |
678 | { "vs.4", 4 }, | |
679 | { "vs.40", 40 }, | |
680 | { "vs.41", 41 }, | |
681 | { "vs.42", 42 }, | |
682 | { "vs.43", 43 }, | |
683 | { "vs.44", 44 }, | |
684 | { "vs.45", 45 }, | |
685 | { "vs.46", 46 }, | |
686 | { "vs.47", 47 }, | |
687 | { "vs.48", 48 }, | |
688 | { "vs.49", 49 }, | |
689 | { "vs.5", 5 }, | |
690 | { "vs.50", 50 }, | |
691 | { "vs.51", 51 }, | |
692 | { "vs.52", 52 }, | |
693 | { "vs.53", 53 }, | |
694 | { "vs.54", 54 }, | |
695 | { "vs.55", 55 }, | |
696 | { "vs.56", 56 }, | |
697 | { "vs.57", 57 }, | |
698 | { "vs.58", 58 }, | |
699 | { "vs.59", 59 }, | |
700 | { "vs.6", 6 }, | |
701 | { "vs.60", 60 }, | |
702 | { "vs.61", 61 }, | |
703 | { "vs.62", 62 }, | |
704 | { "vs.63", 63 }, | |
705 | { "vs.7", 7 }, | |
706 | { "vs.8", 8 }, | |
707 | { "vs.9", 9 }, | |
708 | ||
709 | { "vs0", 0 }, | |
710 | { "vs1", 1 }, | |
711 | { "vs10", 10 }, | |
712 | { "vs11", 11 }, | |
713 | { "vs12", 12 }, | |
714 | { "vs13", 13 }, | |
715 | { "vs14", 14 }, | |
716 | { "vs15", 15 }, | |
717 | { "vs16", 16 }, | |
718 | { "vs17", 17 }, | |
719 | { "vs18", 18 }, | |
720 | { "vs19", 19 }, | |
721 | { "vs2", 2 }, | |
722 | { "vs20", 20 }, | |
723 | { "vs21", 21 }, | |
724 | { "vs22", 22 }, | |
725 | { "vs23", 23 }, | |
726 | { "vs24", 24 }, | |
727 | { "vs25", 25 }, | |
728 | { "vs26", 26 }, | |
729 | { "vs27", 27 }, | |
730 | { "vs28", 28 }, | |
731 | { "vs29", 29 }, | |
732 | { "vs3", 3 }, | |
733 | { "vs30", 30 }, | |
734 | { "vs31", 31 }, | |
735 | { "vs32", 32 }, | |
736 | { "vs33", 33 }, | |
737 | { "vs34", 34 }, | |
738 | { "vs35", 35 }, | |
739 | { "vs36", 36 }, | |
740 | { "vs37", 37 }, | |
741 | { "vs38", 38 }, | |
742 | { "vs39", 39 }, | |
743 | { "vs4", 4 }, | |
744 | { "vs40", 40 }, | |
745 | { "vs41", 41 }, | |
746 | { "vs42", 42 }, | |
747 | { "vs43", 43 }, | |
748 | { "vs44", 44 }, | |
749 | { "vs45", 45 }, | |
750 | { "vs46", 46 }, | |
751 | { "vs47", 47 }, | |
752 | { "vs48", 48 }, | |
753 | { "vs49", 49 }, | |
754 | { "vs5", 5 }, | |
755 | { "vs50", 50 }, | |
756 | { "vs51", 51 }, | |
757 | { "vs52", 52 }, | |
758 | { "vs53", 53 }, | |
759 | { "vs54", 54 }, | |
760 | { "vs55", 55 }, | |
761 | { "vs56", 56 }, | |
762 | { "vs57", 57 }, | |
763 | { "vs58", 58 }, | |
764 | { "vs59", 59 }, | |
765 | { "vs6", 6 }, | |
766 | { "vs60", 60 }, | |
767 | { "vs61", 61 }, | |
768 | { "vs62", 62 }, | |
769 | { "vs63", 63 }, | |
770 | { "vs7", 7 }, | |
771 | { "vs8", 8 }, | |
772 | { "vs9", 9 }, | |
773 | ||
252b5132 RH |
774 | { "xer", 1 }, |
775 | ||
776 | }; | |
777 | ||
bc805888 | 778 | #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg)) |
252b5132 RH |
779 | |
780 | /* Given NAME, find the register number associated with that name, return | |
781 | the integer value associated with the given name or -1 on failure. */ | |
782 | ||
252b5132 | 783 | static int |
98027b10 | 784 | reg_name_search (const struct pd_reg *regs, int regcount, const char *name) |
252b5132 RH |
785 | { |
786 | int middle, low, high; | |
787 | int cmp; | |
788 | ||
789 | low = 0; | |
790 | high = regcount - 1; | |
791 | ||
792 | do | |
793 | { | |
794 | middle = (low + high) / 2; | |
795 | cmp = strcasecmp (name, regs[middle].name); | |
796 | if (cmp < 0) | |
797 | high = middle - 1; | |
798 | else if (cmp > 0) | |
799 | low = middle + 1; | |
800 | else | |
801 | return regs[middle].value; | |
802 | } | |
803 | while (low <= high); | |
804 | ||
805 | return -1; | |
806 | } | |
807 | ||
808 | /* | |
99a814a1 | 809 | * Summary of register_name. |
252b5132 RH |
810 | * |
811 | * in: Input_line_pointer points to 1st char of operand. | |
812 | * | |
813 | * out: A expressionS. | |
814 | * The operand may have been a register: in this case, X_op == O_register, | |
815 | * X_add_number is set to the register number, and truth is returned. | |
816 | * Input_line_pointer->(next non-blank) char after operand, or is in its | |
817 | * original state. | |
818 | */ | |
819 | ||
b34976b6 | 820 | static bfd_boolean |
98027b10 | 821 | register_name (expressionS *expressionP) |
252b5132 RH |
822 | { |
823 | int reg_number; | |
824 | char *name; | |
825 | char *start; | |
826 | char c; | |
827 | ||
99a814a1 | 828 | /* Find the spelling of the operand. */ |
252b5132 | 829 | start = name = input_line_pointer; |
3882b010 | 830 | if (name[0] == '%' && ISALPHA (name[1])) |
252b5132 RH |
831 | name = ++input_line_pointer; |
832 | ||
3882b010 | 833 | else if (!reg_names_p || !ISALPHA (name[0])) |
b34976b6 | 834 | return FALSE; |
252b5132 RH |
835 | |
836 | c = get_symbol_end (); | |
837 | reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT, name); | |
838 | ||
468cced8 AM |
839 | /* Put back the delimiting char. */ |
840 | *input_line_pointer = c; | |
841 | ||
99a814a1 | 842 | /* Look to see if it's in the register table. */ |
81d4177b | 843 | if (reg_number >= 0) |
252b5132 RH |
844 | { |
845 | expressionP->X_op = O_register; | |
846 | expressionP->X_add_number = reg_number; | |
81d4177b | 847 | |
99a814a1 | 848 | /* Make the rest nice. */ |
252b5132 RH |
849 | expressionP->X_add_symbol = NULL; |
850 | expressionP->X_op_symbol = NULL; | |
b34976b6 | 851 | return TRUE; |
252b5132 | 852 | } |
468cced8 AM |
853 | |
854 | /* Reset the line as if we had not done anything. */ | |
855 | input_line_pointer = start; | |
b34976b6 | 856 | return FALSE; |
252b5132 RH |
857 | } |
858 | \f | |
859 | /* This function is called for each symbol seen in an expression. It | |
860 | handles the special parsing which PowerPC assemblers are supposed | |
861 | to use for condition codes. */ | |
862 | ||
863 | /* Whether to do the special parsing. */ | |
b34976b6 | 864 | static bfd_boolean cr_operand; |
252b5132 RH |
865 | |
866 | /* Names to recognize in a condition code. This table is sorted. */ | |
867 | static const struct pd_reg cr_names[] = | |
868 | { | |
869 | { "cr0", 0 }, | |
870 | { "cr1", 1 }, | |
871 | { "cr2", 2 }, | |
872 | { "cr3", 3 }, | |
873 | { "cr4", 4 }, | |
874 | { "cr5", 5 }, | |
875 | { "cr6", 6 }, | |
876 | { "cr7", 7 }, | |
877 | { "eq", 2 }, | |
878 | { "gt", 1 }, | |
879 | { "lt", 0 }, | |
880 | { "so", 3 }, | |
881 | { "un", 3 } | |
882 | }; | |
883 | ||
884 | /* Parsing function. This returns non-zero if it recognized an | |
885 | expression. */ | |
886 | ||
887 | int | |
91d6fa6a | 888 | ppc_parse_name (const char *name, expressionS *exp) |
252b5132 RH |
889 | { |
890 | int val; | |
891 | ||
892 | if (! cr_operand) | |
893 | return 0; | |
894 | ||
13abbae3 AM |
895 | if (*name == '%') |
896 | ++name; | |
252b5132 RH |
897 | val = reg_name_search (cr_names, sizeof cr_names / sizeof cr_names[0], |
898 | name); | |
899 | if (val < 0) | |
900 | return 0; | |
901 | ||
91d6fa6a NC |
902 | exp->X_op = O_constant; |
903 | exp->X_add_number = val; | |
252b5132 RH |
904 | |
905 | return 1; | |
906 | } | |
907 | \f | |
908 | /* Local variables. */ | |
909 | ||
2b3c4602 AM |
910 | /* Whether to target xcoff64/elf64. */ |
911 | static unsigned int ppc_obj64 = BFD_DEFAULT_TARGET_SIZE == 64; | |
7f6d05e8 | 912 | |
252b5132 RH |
913 | /* Opcode hash table. */ |
914 | static struct hash_control *ppc_hash; | |
915 | ||
916 | /* Macro hash table. */ | |
917 | static struct hash_control *ppc_macro_hash; | |
918 | ||
919 | #ifdef OBJ_ELF | |
99a814a1 | 920 | /* What type of shared library support to use. */ |
5d6f4f16 | 921 | static enum { SHLIB_NONE, SHLIB_PIC, SHLIB_MRELOCATABLE } shlib = SHLIB_NONE; |
252b5132 | 922 | |
99a814a1 | 923 | /* Flags to set in the elf header. */ |
252b5132 RH |
924 | static flagword ppc_flags = 0; |
925 | ||
926 | /* Whether this is Solaris or not. */ | |
927 | #ifdef TARGET_SOLARIS_COMMENT | |
b34976b6 | 928 | #define SOLARIS_P TRUE |
252b5132 | 929 | #else |
b34976b6 | 930 | #define SOLARIS_P FALSE |
252b5132 RH |
931 | #endif |
932 | ||
b34976b6 | 933 | static bfd_boolean msolaris = SOLARIS_P; |
252b5132 RH |
934 | #endif |
935 | ||
936 | #ifdef OBJ_XCOFF | |
937 | ||
938 | /* The RS/6000 assembler uses the .csect pseudo-op to generate code | |
939 | using a bunch of different sections. These assembler sections, | |
940 | however, are all encompassed within the .text or .data sections of | |
941 | the final output file. We handle this by using different | |
942 | subsegments within these main segments. */ | |
943 | ||
944 | /* Next subsegment to allocate within the .text segment. */ | |
945 | static subsegT ppc_text_subsegment = 2; | |
946 | ||
947 | /* Linked list of csects in the text section. */ | |
948 | static symbolS *ppc_text_csects; | |
949 | ||
950 | /* Next subsegment to allocate within the .data segment. */ | |
951 | static subsegT ppc_data_subsegment = 2; | |
952 | ||
953 | /* Linked list of csects in the data section. */ | |
954 | static symbolS *ppc_data_csects; | |
955 | ||
956 | /* The current csect. */ | |
957 | static symbolS *ppc_current_csect; | |
958 | ||
959 | /* The RS/6000 assembler uses a TOC which holds addresses of functions | |
960 | and variables. Symbols are put in the TOC with the .tc pseudo-op. | |
961 | A special relocation is used when accessing TOC entries. We handle | |
962 | the TOC as a subsegment within the .data segment. We set it up if | |
963 | we see a .toc pseudo-op, and save the csect symbol here. */ | |
964 | static symbolS *ppc_toc_csect; | |
965 | ||
966 | /* The first frag in the TOC subsegment. */ | |
967 | static fragS *ppc_toc_frag; | |
968 | ||
969 | /* The first frag in the first subsegment after the TOC in the .data | |
970 | segment. NULL if there are no subsegments after the TOC. */ | |
971 | static fragS *ppc_after_toc_frag; | |
972 | ||
973 | /* The current static block. */ | |
974 | static symbolS *ppc_current_block; | |
975 | ||
976 | /* The COFF debugging section; set by md_begin. This is not the | |
977 | .debug section, but is instead the secret BFD section which will | |
978 | cause BFD to set the section number of a symbol to N_DEBUG. */ | |
979 | static asection *ppc_coff_debug_section; | |
980 | ||
981 | #endif /* OBJ_XCOFF */ | |
982 | ||
983 | #ifdef TE_PE | |
984 | ||
985 | /* Various sections that we need for PE coff support. */ | |
986 | static segT ydata_section; | |
987 | static segT pdata_section; | |
988 | static segT reldata_section; | |
989 | static segT rdata_section; | |
990 | static segT tocdata_section; | |
991 | ||
81d4177b | 992 | /* The current section and the previous section. See ppc_previous. */ |
252b5132 RH |
993 | static segT ppc_previous_section; |
994 | static segT ppc_current_section; | |
995 | ||
996 | #endif /* TE_PE */ | |
997 | ||
998 | #ifdef OBJ_ELF | |
999 | symbolS *GOT_symbol; /* Pre-defined "_GLOBAL_OFFSET_TABLE" */ | |
6a0c61b7 EZ |
1000 | #define PPC_APUINFO_ISEL 0x40 |
1001 | #define PPC_APUINFO_PMR 0x41 | |
1002 | #define PPC_APUINFO_RFMCI 0x42 | |
1003 | #define PPC_APUINFO_CACHELCK 0x43 | |
1004 | #define PPC_APUINFO_SPE 0x100 | |
1005 | #define PPC_APUINFO_EFS 0x101 | |
1006 | #define PPC_APUINFO_BRLOCK 0x102 | |
1007 | ||
b34976b6 AM |
1008 | /* |
1009 | * We keep a list of APUinfo | |
6a0c61b7 EZ |
1010 | */ |
1011 | unsigned long *ppc_apuinfo_list; | |
1012 | unsigned int ppc_apuinfo_num; | |
1013 | unsigned int ppc_apuinfo_num_alloc; | |
252b5132 RH |
1014 | #endif /* OBJ_ELF */ |
1015 | \f | |
1016 | #ifdef OBJ_ELF | |
15c1449b | 1017 | const char *const md_shortopts = "b:l:usm:K:VQ:"; |
252b5132 | 1018 | #else |
15c1449b | 1019 | const char *const md_shortopts = "um:"; |
252b5132 | 1020 | #endif |
15c1449b | 1021 | const struct option md_longopts[] = { |
252b5132 RH |
1022 | {NULL, no_argument, NULL, 0} |
1023 | }; | |
15c1449b | 1024 | const size_t md_longopts_size = sizeof (md_longopts); |
252b5132 RH |
1025 | |
1026 | int | |
98027b10 | 1027 | md_parse_option (int c, char *arg) |
252b5132 | 1028 | { |
69fe9ce5 AM |
1029 | ppc_cpu_t new_cpu; |
1030 | ||
252b5132 RH |
1031 | switch (c) |
1032 | { | |
1033 | case 'u': | |
1034 | /* -u means that any undefined symbols should be treated as | |
1035 | external, which is the default for gas anyhow. */ | |
1036 | break; | |
1037 | ||
1038 | #ifdef OBJ_ELF | |
1039 | case 'l': | |
1040 | /* Solaris as takes -le (presumably for little endian). For completeness | |
99a814a1 | 1041 | sake, recognize -be also. */ |
252b5132 RH |
1042 | if (strcmp (arg, "e") == 0) |
1043 | { | |
1044 | target_big_endian = 0; | |
1045 | set_target_endian = 1; | |
1046 | } | |
1047 | else | |
1048 | return 0; | |
1049 | ||
1050 | break; | |
1051 | ||
1052 | case 'b': | |
1053 | if (strcmp (arg, "e") == 0) | |
1054 | { | |
1055 | target_big_endian = 1; | |
1056 | set_target_endian = 1; | |
1057 | } | |
1058 | else | |
1059 | return 0; | |
1060 | ||
1061 | break; | |
1062 | ||
1063 | case 'K': | |
99a814a1 | 1064 | /* Recognize -K PIC. */ |
252b5132 RH |
1065 | if (strcmp (arg, "PIC") == 0 || strcmp (arg, "pic") == 0) |
1066 | { | |
1067 | shlib = SHLIB_PIC; | |
1068 | ppc_flags |= EF_PPC_RELOCATABLE_LIB; | |
1069 | } | |
1070 | else | |
1071 | return 0; | |
1072 | ||
1073 | break; | |
1074 | #endif | |
1075 | ||
7f6d05e8 CP |
1076 | /* a64 and a32 determine whether to use XCOFF64 or XCOFF32. */ |
1077 | case 'a': | |
1078 | if (strcmp (arg, "64") == 0) | |
2a98c3a6 AM |
1079 | { |
1080 | #ifdef BFD64 | |
1081 | ppc_obj64 = 1; | |
1082 | #else | |
1083 | as_fatal (_("%s unsupported"), "-a64"); | |
1084 | #endif | |
1085 | } | |
7f6d05e8 | 1086 | else if (strcmp (arg, "32") == 0) |
2b3c4602 | 1087 | ppc_obj64 = 0; |
7f6d05e8 CP |
1088 | else |
1089 | return 0; | |
1090 | break; | |
81d4177b | 1091 | |
252b5132 | 1092 | case 'm': |
69fe9ce5 AM |
1093 | if ((new_cpu = ppc_parse_cpu (ppc_cpu, arg)) != 0) |
1094 | ppc_cpu = new_cpu; | |
252b5132 RH |
1095 | |
1096 | else if (strcmp (arg, "regnames") == 0) | |
b34976b6 | 1097 | reg_names_p = TRUE; |
252b5132 RH |
1098 | |
1099 | else if (strcmp (arg, "no-regnames") == 0) | |
b34976b6 | 1100 | reg_names_p = FALSE; |
252b5132 RH |
1101 | |
1102 | #ifdef OBJ_ELF | |
99a814a1 AM |
1103 | /* -mrelocatable/-mrelocatable-lib -- warn about initializations |
1104 | that require relocation. */ | |
252b5132 RH |
1105 | else if (strcmp (arg, "relocatable") == 0) |
1106 | { | |
5d6f4f16 | 1107 | shlib = SHLIB_MRELOCATABLE; |
252b5132 RH |
1108 | ppc_flags |= EF_PPC_RELOCATABLE; |
1109 | } | |
1110 | ||
1111 | else if (strcmp (arg, "relocatable-lib") == 0) | |
1112 | { | |
5d6f4f16 | 1113 | shlib = SHLIB_MRELOCATABLE; |
252b5132 RH |
1114 | ppc_flags |= EF_PPC_RELOCATABLE_LIB; |
1115 | } | |
1116 | ||
99a814a1 | 1117 | /* -memb, set embedded bit. */ |
252b5132 RH |
1118 | else if (strcmp (arg, "emb") == 0) |
1119 | ppc_flags |= EF_PPC_EMB; | |
1120 | ||
99a814a1 AM |
1121 | /* -mlittle/-mbig set the endianess. */ |
1122 | else if (strcmp (arg, "little") == 0 | |
1123 | || strcmp (arg, "little-endian") == 0) | |
252b5132 RH |
1124 | { |
1125 | target_big_endian = 0; | |
1126 | set_target_endian = 1; | |
1127 | } | |
1128 | ||
1129 | else if (strcmp (arg, "big") == 0 || strcmp (arg, "big-endian") == 0) | |
1130 | { | |
1131 | target_big_endian = 1; | |
1132 | set_target_endian = 1; | |
1133 | } | |
1134 | ||
1135 | else if (strcmp (arg, "solaris") == 0) | |
1136 | { | |
b34976b6 | 1137 | msolaris = TRUE; |
252b5132 RH |
1138 | ppc_comment_chars = ppc_solaris_comment_chars; |
1139 | } | |
1140 | ||
1141 | else if (strcmp (arg, "no-solaris") == 0) | |
1142 | { | |
b34976b6 | 1143 | msolaris = FALSE; |
252b5132 RH |
1144 | ppc_comment_chars = ppc_eabi_comment_chars; |
1145 | } | |
1146 | #endif | |
1147 | else | |
1148 | { | |
1149 | as_bad (_("invalid switch -m%s"), arg); | |
1150 | return 0; | |
1151 | } | |
1152 | break; | |
1153 | ||
1154 | #ifdef OBJ_ELF | |
1155 | /* -V: SVR4 argument to print version ID. */ | |
1156 | case 'V': | |
1157 | print_version_id (); | |
1158 | break; | |
1159 | ||
1160 | /* -Qy, -Qn: SVR4 arguments controlling whether a .comment section | |
1161 | should be emitted or not. FIXME: Not implemented. */ | |
1162 | case 'Q': | |
1163 | break; | |
1164 | ||
1165 | /* Solaris takes -s to specify that .stabs go in a .stabs section, | |
1166 | rather than .stabs.excl, which is ignored by the linker. | |
1167 | FIXME: Not implemented. */ | |
1168 | case 's': | |
1169 | if (arg) | |
1170 | return 0; | |
1171 | ||
1172 | break; | |
1173 | #endif | |
1174 | ||
1175 | default: | |
1176 | return 0; | |
1177 | } | |
1178 | ||
1179 | return 1; | |
1180 | } | |
1181 | ||
1182 | void | |
98027b10 | 1183 | md_show_usage (FILE *stream) |
252b5132 | 1184 | { |
bc805888 | 1185 | fprintf (stream, _("\ |
252b5132 | 1186 | PowerPC options:\n\ |
ce3d2015 AM |
1187 | -a32 generate ELF32/XCOFF32\n\ |
1188 | -a64 generate ELF64/XCOFF64\n\ | |
1189 | -u ignored\n\ | |
1190 | -mpwrx, -mpwr2 generate code for POWER/2 (RIOS2)\n\ | |
1191 | -mpwr generate code for POWER (RIOS1)\n\ | |
1192 | -m601 generate code for PowerPC 601\n\ | |
418c1742 | 1193 | -mppc, -mppc32, -m603, -m604\n\ |
ce3d2015 AM |
1194 | generate code for PowerPC 603/604\n\ |
1195 | -m403 generate code for PowerPC 403\n\ | |
1196 | -m405 generate code for PowerPC 405\n\ | |
1197 | -m440 generate code for PowerPC 440\n\ | |
1198 | -m464 generate code for PowerPC 464\n\ | |
1199 | -m476 generate code for PowerPC 476\n\ | |
f5c120c5 | 1200 | -m7400, -m7410, -m7450, -m7455\n\ |
ce3d2015 AM |
1201 | generate code for PowerPC 7400/7410/7450/7455\n\ |
1202 | -m750cl generate code for PowerPC 750cl\n")); | |
df12615d | 1203 | fprintf (stream, _("\ |
ce3d2015 AM |
1204 | -mppc64, -m620 generate code for PowerPC 620/625/630\n\ |
1205 | -mppc64bridge generate code for PowerPC 64, including bridge insns\n\ | |
1206 | -mbooke generate code for 32-bit PowerPC BookE\n\ | |
1207 | -ma2 generate code for A2 architecture\n\ | |
cdc51b07 RS |
1208 | -mpower4, -mpwr4 generate code for Power4 architecture\n\ |
1209 | -mpower5, -mpwr5, -mpwr5x\n\ | |
1210 | generate code for Power5 architecture\n\ | |
1211 | -mpower6, -mpwr6 generate code for Power6 architecture\n\ | |
1212 | -mpower7, -mpwr7 generate code for Power7 architecture\n\ | |
ce3d2015 AM |
1213 | -mcell generate code for Cell Broadband Engine architecture\n\ |
1214 | -mcom generate code Power/PowerPC common instructions\n\ | |
1215 | -many generate code for any architecture (PWR/PWRX/PPC)\n")); | |
6a0c61b7 | 1216 | fprintf (stream, _("\ |
ce3d2015 AM |
1217 | -maltivec generate code for AltiVec\n\ |
1218 | -mvsx generate code for Vector-Scalar (VSX) instructions\n\ | |
1219 | -me300 generate code for PowerPC e300 family\n\ | |
1220 | -me500, -me500x2 generate code for Motorola e500 core complex\n\ | |
1221 | -me500mc, generate code for Freescale e500mc core complex\n\ | |
1222 | -me500mc64, generate code for Freescale e500mc64 core complex\n\ | |
1223 | -mspe generate code for Motorola SPE instructions\n\ | |
1224 | -mtitan generate code for AppliedMicro Titan core complex\n\ | |
1225 | -mregnames Allow symbolic names for registers\n\ | |
1226 | -mno-regnames Do not allow symbolic names for registers\n")); | |
252b5132 | 1227 | #ifdef OBJ_ELF |
bc805888 | 1228 | fprintf (stream, _("\ |
ce3d2015 AM |
1229 | -mrelocatable support for GCC's -mrelocatble option\n\ |
1230 | -mrelocatable-lib support for GCC's -mrelocatble-lib option\n\ | |
1231 | -memb set PPC_EMB bit in ELF flags\n\ | |
df12615d | 1232 | -mlittle, -mlittle-endian, -l, -le\n\ |
ce3d2015 | 1233 | generate code for a little endian machine\n\ |
df12615d | 1234 | -mbig, -mbig-endian, -b, -be\n\ |
ce3d2015 AM |
1235 | generate code for a big endian machine\n\ |
1236 | -msolaris generate code for Solaris\n\ | |
1237 | -mno-solaris do not generate code for Solaris\n\ | |
1238 | -V print assembler version number\n\ | |
1239 | -Qy, -Qn ignored\n")); | |
252b5132 RH |
1240 | #endif |
1241 | } | |
1242 | \f | |
1243 | /* Set ppc_cpu if it is not already set. */ | |
1244 | ||
1245 | static void | |
98027b10 | 1246 | ppc_set_cpu (void) |
252b5132 RH |
1247 | { |
1248 | const char *default_os = TARGET_OS; | |
1249 | const char *default_cpu = TARGET_CPU; | |
1250 | ||
3c9030c1 | 1251 | if ((ppc_cpu & ~PPC_OPCODE_ANY) == 0) |
252b5132 | 1252 | { |
2a98c3a6 | 1253 | if (ppc_obj64) |
3c9030c1 | 1254 | ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64; |
2a98c3a6 AM |
1255 | else if (strncmp (default_os, "aix", 3) == 0 |
1256 | && default_os[3] >= '4' && default_os[3] <= '9') | |
3c9030c1 | 1257 | ppc_cpu |= PPC_OPCODE_COMMON | PPC_OPCODE_32; |
252b5132 | 1258 | else if (strncmp (default_os, "aix3", 4) == 0) |
3c9030c1 | 1259 | ppc_cpu |= PPC_OPCODE_POWER | PPC_OPCODE_32; |
252b5132 | 1260 | else if (strcmp (default_cpu, "rs6000") == 0) |
3c9030c1 | 1261 | ppc_cpu |= PPC_OPCODE_POWER | PPC_OPCODE_32; |
0baf16f2 | 1262 | else if (strncmp (default_cpu, "powerpc", 7) == 0) |
23d36e92 | 1263 | ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32; |
252b5132 | 1264 | else |
99a814a1 AM |
1265 | as_fatal (_("Unknown default cpu = %s, os = %s"), |
1266 | default_cpu, default_os); | |
252b5132 RH |
1267 | } |
1268 | } | |
1269 | ||
9232bbb0 AM |
1270 | /* Figure out the BFD architecture to use. This function and ppc_mach |
1271 | are called well before md_begin, when the output file is opened. */ | |
252b5132 RH |
1272 | |
1273 | enum bfd_architecture | |
98027b10 | 1274 | ppc_arch (void) |
252b5132 RH |
1275 | { |
1276 | const char *default_cpu = TARGET_CPU; | |
1277 | ppc_set_cpu (); | |
1278 | ||
1279 | if ((ppc_cpu & PPC_OPCODE_PPC) != 0) | |
1280 | return bfd_arch_powerpc; | |
1281 | else if ((ppc_cpu & PPC_OPCODE_POWER) != 0) | |
1282 | return bfd_arch_rs6000; | |
1283 | else if ((ppc_cpu & (PPC_OPCODE_COMMON | PPC_OPCODE_ANY)) != 0) | |
1284 | { | |
1285 | if (strcmp (default_cpu, "rs6000") == 0) | |
1286 | return bfd_arch_rs6000; | |
0baf16f2 | 1287 | else if (strncmp (default_cpu, "powerpc", 7) == 0) |
252b5132 RH |
1288 | return bfd_arch_powerpc; |
1289 | } | |
1290 | ||
1291 | as_fatal (_("Neither Power nor PowerPC opcodes were selected.")); | |
1292 | return bfd_arch_unknown; | |
1293 | } | |
1294 | ||
7f6d05e8 | 1295 | unsigned long |
98027b10 | 1296 | ppc_mach (void) |
7f6d05e8 | 1297 | { |
2a98c3a6 AM |
1298 | if (ppc_obj64) |
1299 | return bfd_mach_ppc64; | |
1300 | else if (ppc_arch () == bfd_arch_rs6000) | |
1301 | return bfd_mach_rs6k; | |
ce3d2015 AM |
1302 | else if (ppc_cpu & PPC_OPCODE_TITAN) |
1303 | return bfd_mach_ppc_titan; | |
2a98c3a6 AM |
1304 | else |
1305 | return bfd_mach_ppc; | |
7f6d05e8 CP |
1306 | } |
1307 | ||
81d4177b | 1308 | extern char* |
98027b10 | 1309 | ppc_target_format (void) |
7f6d05e8 CP |
1310 | { |
1311 | #ifdef OBJ_COFF | |
1312 | #ifdef TE_PE | |
99a814a1 | 1313 | return target_big_endian ? "pe-powerpc" : "pe-powerpcle"; |
7f6d05e8 | 1314 | #elif TE_POWERMAC |
0baf16f2 | 1315 | return "xcoff-powermac"; |
7f6d05e8 | 1316 | #else |
eb1e0e80 | 1317 | # ifdef TE_AIX5 |
2b3c4602 | 1318 | return (ppc_obj64 ? "aix5coff64-rs6000" : "aixcoff-rs6000"); |
eb1e0e80 | 1319 | # else |
2b3c4602 | 1320 | return (ppc_obj64 ? "aixcoff64-rs6000" : "aixcoff-rs6000"); |
eb1e0e80 | 1321 | # endif |
7f6d05e8 | 1322 | #endif |
7f6d05e8 CP |
1323 | #endif |
1324 | #ifdef OBJ_ELF | |
9d8504b1 PB |
1325 | # ifdef TE_VXWORKS |
1326 | return "elf32-powerpc-vxworks"; | |
1327 | # else | |
0baf16f2 | 1328 | return (target_big_endian |
2b3c4602 AM |
1329 | ? (ppc_obj64 ? "elf64-powerpc" : "elf32-powerpc") |
1330 | : (ppc_obj64 ? "elf64-powerpcle" : "elf32-powerpcle")); | |
9d8504b1 | 1331 | # endif |
7f6d05e8 CP |
1332 | #endif |
1333 | } | |
1334 | ||
69c040df AM |
1335 | /* Insert opcodes and macros into hash tables. Called at startup and |
1336 | for .cpu pseudo. */ | |
252b5132 | 1337 | |
69c040df AM |
1338 | static void |
1339 | ppc_setup_opcodes (void) | |
252b5132 | 1340 | { |
98027b10 | 1341 | const struct powerpc_opcode *op; |
252b5132 RH |
1342 | const struct powerpc_opcode *op_end; |
1343 | const struct powerpc_macro *macro; | |
1344 | const struct powerpc_macro *macro_end; | |
b84bf58a | 1345 | bfd_boolean bad_insn = FALSE; |
252b5132 | 1346 | |
69c040df AM |
1347 | if (ppc_hash != NULL) |
1348 | hash_die (ppc_hash); | |
1349 | if (ppc_macro_hash != NULL) | |
1350 | hash_die (ppc_macro_hash); | |
252b5132 RH |
1351 | |
1352 | /* Insert the opcodes into a hash table. */ | |
1353 | ppc_hash = hash_new (); | |
1354 | ||
c43a438d | 1355 | if (ENABLE_CHECKING) |
b84bf58a | 1356 | { |
c43a438d | 1357 | unsigned int i; |
b84bf58a | 1358 | |
c43a438d AM |
1359 | /* Check operand masks. Code here and in the disassembler assumes |
1360 | all the 1's in the mask are contiguous. */ | |
1361 | for (i = 0; i < num_powerpc_operands; ++i) | |
b84bf58a | 1362 | { |
c43a438d AM |
1363 | unsigned long mask = powerpc_operands[i].bitm; |
1364 | unsigned long right_bit; | |
1365 | unsigned int j; | |
1366 | ||
1367 | right_bit = mask & -mask; | |
1368 | mask += right_bit; | |
1369 | right_bit = mask & -mask; | |
1370 | if (mask != right_bit) | |
1371 | { | |
1372 | as_bad (_("powerpc_operands[%d].bitm invalid"), i); | |
1373 | bad_insn = TRUE; | |
1374 | } | |
1375 | for (j = i + 1; j < num_powerpc_operands; ++j) | |
1376 | if (memcmp (&powerpc_operands[i], &powerpc_operands[j], | |
1377 | sizeof (powerpc_operands[0])) == 0) | |
1378 | { | |
1379 | as_bad (_("powerpc_operands[%d] duplicates powerpc_operands[%d]"), | |
1380 | j, i); | |
1381 | bad_insn = TRUE; | |
1382 | } | |
b84bf58a AM |
1383 | } |
1384 | } | |
1385 | ||
252b5132 RH |
1386 | op_end = powerpc_opcodes + powerpc_num_opcodes; |
1387 | for (op = powerpc_opcodes; op < op_end; op++) | |
1388 | { | |
c43a438d | 1389 | if (ENABLE_CHECKING) |
b84bf58a | 1390 | { |
c43a438d AM |
1391 | const unsigned char *o; |
1392 | unsigned long omask = op->mask; | |
8dbcd839 | 1393 | |
d815f1a9 | 1394 | if (op != powerpc_opcodes) |
8dbcd839 | 1395 | { |
d815f1a9 AM |
1396 | /* The major opcodes had better be sorted. Code in the |
1397 | disassembler assumes the insns are sorted according to | |
1398 | major opcode. */ | |
1399 | if (PPC_OP (op[0].opcode) < PPC_OP (op[-1].opcode)) | |
1400 | { | |
1401 | as_bad (_("major opcode is not sorted for %s"), | |
1402 | op->name); | |
1403 | bad_insn = TRUE; | |
1404 | } | |
1405 | ||
1406 | /* Warn if the table isn't more strictly ordered. | |
1407 | Unfortunately it doesn't seem possible to order the | |
1408 | table on much more than the major opcode, which makes | |
1409 | it difficult to implement a binary search in the | |
1410 | disassembler. The problem is that we have multiple | |
1411 | ways to disassemble instructions, and we usually want | |
1412 | to choose a more specific form (with more bits set in | |
1413 | the opcode) than a more general form. eg. all of the | |
1414 | following are equivalent: | |
1415 | bne label # opcode = 0x40820000, mask = 0xff830003 | |
1416 | bf 2,label # opcode = 0x40800000, mask = 0xff800003 | |
1417 | bc 4,2,label # opcode = 0x40000000, mask = 0xfc000003 | |
1418 | ||
1419 | There are also cases where the table needs to be out | |
1420 | of order to disassemble the correct instruction for | |
2f3bb96a | 1421 | processor variants. */ |
d815f1a9 AM |
1422 | else if (0) |
1423 | { | |
1424 | unsigned long t1 = op[0].opcode; | |
1425 | unsigned long t2 = op[-1].opcode; | |
1426 | ||
1427 | if (((t1 ^ t2) & 0xfc0007ff) == 0 | |
1428 | && (t1 & 0xfc0006df) == 0x7c000286) | |
1429 | { | |
1430 | /* spr field is split. */ | |
1431 | t1 = ((t1 & ~0x1ff800) | |
1432 | | ((t1 & 0xf800) << 5) | ((t1 & 0x1f0000) >> 5)); | |
1433 | t2 = ((t2 & ~0x1ff800) | |
1434 | | ((t2 & 0xf800) << 5) | ((t2 & 0x1f0000) >> 5)); | |
1435 | } | |
1436 | if (t1 < t2) | |
1437 | as_warn (_("%s (%08lx %08lx) after %s (%08lx %08lx)"), | |
1438 | op[0].name, op[0].opcode, op[0].mask, | |
1439 | op[-1].name, op[-1].opcode, op[-1].mask); | |
1440 | } | |
8dbcd839 | 1441 | } |
c43a438d AM |
1442 | |
1443 | /* The mask had better not trim off opcode bits. */ | |
1444 | if ((op->opcode & omask) != op->opcode) | |
1445 | { | |
1446 | as_bad (_("mask trims opcode bits for %s"), | |
1447 | op->name); | |
1448 | bad_insn = TRUE; | |
1449 | } | |
1450 | ||
1451 | /* The operands must not overlap the opcode or each other. */ | |
1452 | for (o = op->operands; *o; ++o) | |
1453 | if (*o >= num_powerpc_operands) | |
1454 | { | |
1455 | as_bad (_("operand index error for %s"), | |
1456 | op->name); | |
1457 | bad_insn = TRUE; | |
1458 | } | |
1459 | else | |
b84bf58a | 1460 | { |
c43a438d AM |
1461 | const struct powerpc_operand *operand = &powerpc_operands[*o]; |
1462 | if (operand->shift >= 0) | |
b84bf58a | 1463 | { |
c43a438d AM |
1464 | unsigned long mask = operand->bitm << operand->shift; |
1465 | if (omask & mask) | |
1466 | { | |
1467 | as_bad (_("operand %d overlap in %s"), | |
1468 | (int) (o - op->operands), op->name); | |
1469 | bad_insn = TRUE; | |
1470 | } | |
1471 | omask |= mask; | |
b84bf58a | 1472 | } |
b84bf58a | 1473 | } |
c43a438d | 1474 | } |
252b5132 | 1475 | |
2b3c4602 | 1476 | if ((op->flags & ppc_cpu & ~(PPC_OPCODE_32 | PPC_OPCODE_64)) != 0 |
252b5132 | 1477 | && ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64)) == 0 |
2b3c4602 AM |
1478 | || ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64)) |
1479 | == (ppc_cpu & (PPC_OPCODE_32 | PPC_OPCODE_64))) | |
23e1d84c | 1480 | || (ppc_cpu & PPC_OPCODE_64_BRIDGE) != 0) |
1cb0a767 | 1481 | && !(ppc_cpu & op->deprecated)) |
252b5132 RH |
1482 | { |
1483 | const char *retval; | |
1484 | ||
98027b10 | 1485 | retval = hash_insert (ppc_hash, op->name, (void *) op); |
69c040df | 1486 | if (retval != NULL) |
252b5132 | 1487 | { |
99a814a1 | 1488 | /* Ignore Power duplicates for -m601. */ |
252b5132 RH |
1489 | if ((ppc_cpu & PPC_OPCODE_601) != 0 |
1490 | && (op->flags & PPC_OPCODE_POWER) != 0) | |
1491 | continue; | |
1492 | ||
b84bf58a | 1493 | as_bad (_("duplicate instruction %s"), |
99a814a1 | 1494 | op->name); |
b84bf58a | 1495 | bad_insn = TRUE; |
252b5132 RH |
1496 | } |
1497 | } | |
1498 | } | |
1499 | ||
3c9030c1 AM |
1500 | if ((ppc_cpu & PPC_OPCODE_ANY) != 0) |
1501 | for (op = powerpc_opcodes; op < op_end; op++) | |
98027b10 | 1502 | hash_insert (ppc_hash, op->name, (void *) op); |
3c9030c1 | 1503 | |
252b5132 RH |
1504 | /* Insert the macros into a hash table. */ |
1505 | ppc_macro_hash = hash_new (); | |
1506 | ||
1507 | macro_end = powerpc_macros + powerpc_num_macros; | |
1508 | for (macro = powerpc_macros; macro < macro_end; macro++) | |
1509 | { | |
1510 | if ((macro->flags & ppc_cpu) != 0) | |
1511 | { | |
1512 | const char *retval; | |
1513 | ||
98027b10 | 1514 | retval = hash_insert (ppc_macro_hash, macro->name, (void *) macro); |
252b5132 RH |
1515 | if (retval != (const char *) NULL) |
1516 | { | |
b84bf58a AM |
1517 | as_bad (_("duplicate macro %s"), macro->name); |
1518 | bad_insn = TRUE; | |
252b5132 RH |
1519 | } |
1520 | } | |
1521 | } | |
1522 | ||
b84bf58a | 1523 | if (bad_insn) |
252b5132 | 1524 | abort (); |
69c040df AM |
1525 | } |
1526 | ||
1527 | /* This function is called when the assembler starts up. It is called | |
1528 | after the options have been parsed and the output file has been | |
1529 | opened. */ | |
1530 | ||
1531 | void | |
98027b10 | 1532 | md_begin (void) |
69c040df AM |
1533 | { |
1534 | ppc_set_cpu (); | |
1535 | ||
1536 | ppc_cie_data_alignment = ppc_obj64 ? -8 : -4; | |
1537 | ||
1538 | #ifdef OBJ_ELF | |
1539 | /* Set the ELF flags if desired. */ | |
1540 | if (ppc_flags && !msolaris) | |
1541 | bfd_set_private_flags (stdoutput, ppc_flags); | |
1542 | #endif | |
1543 | ||
1544 | ppc_setup_opcodes (); | |
252b5132 | 1545 | |
67c1ffbe | 1546 | /* Tell the main code what the endianness is if it is not overridden |
99a814a1 | 1547 | by the user. */ |
252b5132 RH |
1548 | if (!set_target_endian) |
1549 | { | |
1550 | set_target_endian = 1; | |
1551 | target_big_endian = PPC_BIG_ENDIAN; | |
1552 | } | |
1553 | ||
1554 | #ifdef OBJ_XCOFF | |
1555 | ppc_coff_debug_section = coff_section_from_bfd_index (stdoutput, N_DEBUG); | |
1556 | ||
1557 | /* Create dummy symbols to serve as initial csects. This forces the | |
1558 | text csects to precede the data csects. These symbols will not | |
1559 | be output. */ | |
1560 | ppc_text_csects = symbol_make ("dummy\001"); | |
809ffe0d | 1561 | symbol_get_tc (ppc_text_csects)->within = ppc_text_csects; |
252b5132 | 1562 | ppc_data_csects = symbol_make ("dummy\001"); |
809ffe0d | 1563 | symbol_get_tc (ppc_data_csects)->within = ppc_data_csects; |
252b5132 RH |
1564 | #endif |
1565 | ||
1566 | #ifdef TE_PE | |
1567 | ||
1568 | ppc_current_section = text_section; | |
81d4177b | 1569 | ppc_previous_section = 0; |
252b5132 RH |
1570 | |
1571 | #endif | |
1572 | } | |
1573 | ||
6a0c61b7 | 1574 | void |
98027b10 | 1575 | ppc_cleanup (void) |
6a0c61b7 | 1576 | { |
dc1d03fc | 1577 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
1578 | if (ppc_apuinfo_list == NULL) |
1579 | return; | |
1580 | ||
1581 | /* Ok, so write the section info out. We have this layout: | |
1582 | ||
1583 | byte data what | |
1584 | ---- ---- ---- | |
1585 | 0 8 length of "APUinfo\0" | |
1586 | 4 (n*4) number of APU's (4 bytes each) | |
1587 | 8 2 note type 2 | |
1588 | 12 "APUinfo\0" name | |
1589 | 20 APU#1 first APU's info | |
1590 | 24 APU#2 second APU's info | |
1591 | ... ... | |
1592 | */ | |
1593 | { | |
1594 | char *p; | |
1595 | asection *seg = now_seg; | |
1596 | subsegT subseg = now_subseg; | |
1597 | asection *apuinfo_secp = (asection *) NULL; | |
49181a6a | 1598 | unsigned int i; |
6a0c61b7 EZ |
1599 | |
1600 | /* Create the .PPC.EMB.apuinfo section. */ | |
1601 | apuinfo_secp = subseg_new (".PPC.EMB.apuinfo", 0); | |
1602 | bfd_set_section_flags (stdoutput, | |
1603 | apuinfo_secp, | |
e1a9cb8e | 1604 | SEC_HAS_CONTENTS | SEC_READONLY); |
6a0c61b7 EZ |
1605 | |
1606 | p = frag_more (4); | |
1607 | md_number_to_chars (p, (valueT) 8, 4); | |
1608 | ||
1609 | p = frag_more (4); | |
e98d298c | 1610 | md_number_to_chars (p, (valueT) ppc_apuinfo_num * 4, 4); |
6a0c61b7 EZ |
1611 | |
1612 | p = frag_more (4); | |
1613 | md_number_to_chars (p, (valueT) 2, 4); | |
1614 | ||
1615 | p = frag_more (8); | |
1616 | strcpy (p, "APUinfo"); | |
1617 | ||
1618 | for (i = 0; i < ppc_apuinfo_num; i++) | |
1619 | { | |
b34976b6 AM |
1620 | p = frag_more (4); |
1621 | md_number_to_chars (p, (valueT) ppc_apuinfo_list[i], 4); | |
6a0c61b7 EZ |
1622 | } |
1623 | ||
1624 | frag_align (2, 0, 0); | |
1625 | ||
1626 | /* We probably can't restore the current segment, for there likely | |
1627 | isn't one yet... */ | |
1628 | if (seg && subseg) | |
1629 | subseg_set (seg, subseg); | |
1630 | } | |
dc1d03fc | 1631 | #endif |
6a0c61b7 EZ |
1632 | } |
1633 | ||
252b5132 RH |
1634 | /* Insert an operand value into an instruction. */ |
1635 | ||
1636 | static unsigned long | |
a1867a27 AM |
1637 | ppc_insert_operand (unsigned long insn, |
1638 | const struct powerpc_operand *operand, | |
1639 | offsetT val, | |
91d6fa6a | 1640 | ppc_cpu_t cpu, |
a1867a27 AM |
1641 | char *file, |
1642 | unsigned int line) | |
252b5132 | 1643 | { |
b84bf58a | 1644 | long min, max, right; |
eb42fac1 | 1645 | |
b84bf58a AM |
1646 | max = operand->bitm; |
1647 | right = max & -max; | |
1648 | min = 0; | |
1649 | ||
1650 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
252b5132 | 1651 | { |
b84bf58a | 1652 | if ((operand->flags & PPC_OPERAND_SIGNOPT) == 0) |
931774a9 AM |
1653 | max = (max >> 1) & -right; |
1654 | min = ~max & -right; | |
b84bf58a | 1655 | } |
252b5132 | 1656 | |
b84bf58a | 1657 | if ((operand->flags & PPC_OPERAND_PLUS1) != 0) |
3896c469 | 1658 | max++; |
252b5132 | 1659 | |
b84bf58a | 1660 | if ((operand->flags & PPC_OPERAND_NEGATIVE) != 0) |
a1867a27 AM |
1661 | { |
1662 | long tmp = min; | |
1663 | min = -max; | |
1664 | max = -tmp; | |
1665 | } | |
b84bf58a | 1666 | |
a1867a27 AM |
1667 | if (min <= max) |
1668 | { | |
1669 | /* Some people write constants with the sign extension done by | |
1670 | hand but only up to 32 bits. This shouldn't really be valid, | |
1671 | but, to permit this code to assemble on a 64-bit host, we | |
1672 | sign extend the 32-bit value to 64 bits if so doing makes the | |
1673 | value valid. */ | |
1674 | if (val > max | |
1675 | && (offsetT) (val - 0x80000000 - 0x80000000) >= min | |
1676 | && (offsetT) (val - 0x80000000 - 0x80000000) <= max | |
1677 | && ((val - 0x80000000 - 0x80000000) & (right - 1)) == 0) | |
1678 | val = val - 0x80000000 - 0x80000000; | |
1679 | ||
1680 | /* Similarly, people write expressions like ~(1<<15), and expect | |
1681 | this to be OK for a 32-bit unsigned value. */ | |
1682 | else if (val < min | |
1683 | && (offsetT) (val + 0x80000000 + 0x80000000) >= min | |
1684 | && (offsetT) (val + 0x80000000 + 0x80000000) <= max | |
1685 | && ((val + 0x80000000 + 0x80000000) & (right - 1)) == 0) | |
1686 | val = val + 0x80000000 + 0x80000000; | |
1687 | ||
1688 | else if (val < min | |
1689 | || val > max | |
1690 | || (val & (right - 1)) != 0) | |
1691 | as_bad_value_out_of_range (_("operand"), val, min, max, file, line); | |
1692 | } | |
b84bf58a | 1693 | |
252b5132 RH |
1694 | if (operand->insert) |
1695 | { | |
1696 | const char *errmsg; | |
1697 | ||
1698 | errmsg = NULL; | |
91d6fa6a | 1699 | insn = (*operand->insert) (insn, (long) val, cpu, &errmsg); |
252b5132 | 1700 | if (errmsg != (const char *) NULL) |
ee2c9aa9 | 1701 | as_bad_where (file, line, "%s", errmsg); |
252b5132 RH |
1702 | } |
1703 | else | |
b84bf58a | 1704 | insn |= ((long) val & operand->bitm) << operand->shift; |
252b5132 RH |
1705 | |
1706 | return insn; | |
1707 | } | |
1708 | ||
1709 | \f | |
1710 | #ifdef OBJ_ELF | |
1711 | /* Parse @got, etc. and return the desired relocation. */ | |
1712 | static bfd_reloc_code_real_type | |
98027b10 | 1713 | ppc_elf_suffix (char **str_p, expressionS *exp_p) |
252b5132 RH |
1714 | { |
1715 | struct map_bfd { | |
1716 | char *string; | |
b7d7dc63 AM |
1717 | unsigned int length : 8; |
1718 | unsigned int valid32 : 1; | |
1719 | unsigned int valid64 : 1; | |
1720 | unsigned int reloc; | |
252b5132 RH |
1721 | }; |
1722 | ||
1723 | char ident[20]; | |
1724 | char *str = *str_p; | |
1725 | char *str2; | |
1726 | int ch; | |
1727 | int len; | |
15c1449b | 1728 | const struct map_bfd *ptr; |
252b5132 | 1729 | |
b7d7dc63 AM |
1730 | #define MAP(str, reloc) { str, sizeof (str) - 1, 1, 1, reloc } |
1731 | #define MAP32(str, reloc) { str, sizeof (str) - 1, 1, 0, reloc } | |
1732 | #define MAP64(str, reloc) { str, sizeof (str) - 1, 0, 1, reloc } | |
252b5132 | 1733 | |
15c1449b | 1734 | static const struct map_bfd mapping[] = { |
b7d7dc63 AM |
1735 | MAP ("l", BFD_RELOC_LO16), |
1736 | MAP ("h", BFD_RELOC_HI16), | |
1737 | MAP ("ha", BFD_RELOC_HI16_S), | |
1738 | MAP ("brtaken", BFD_RELOC_PPC_B16_BRTAKEN), | |
1739 | MAP ("brntaken", BFD_RELOC_PPC_B16_BRNTAKEN), | |
1740 | MAP ("got", BFD_RELOC_16_GOTOFF), | |
1741 | MAP ("got@l", BFD_RELOC_LO16_GOTOFF), | |
1742 | MAP ("got@h", BFD_RELOC_HI16_GOTOFF), | |
1743 | MAP ("got@ha", BFD_RELOC_HI16_S_GOTOFF), | |
1744 | MAP ("plt@l", BFD_RELOC_LO16_PLTOFF), | |
1745 | MAP ("plt@h", BFD_RELOC_HI16_PLTOFF), | |
1746 | MAP ("plt@ha", BFD_RELOC_HI16_S_PLTOFF), | |
1747 | MAP ("copy", BFD_RELOC_PPC_COPY), | |
1748 | MAP ("globdat", BFD_RELOC_PPC_GLOB_DAT), | |
1749 | MAP ("sectoff", BFD_RELOC_16_BASEREL), | |
1750 | MAP ("sectoff@l", BFD_RELOC_LO16_BASEREL), | |
1751 | MAP ("sectoff@h", BFD_RELOC_HI16_BASEREL), | |
1752 | MAP ("sectoff@ha", BFD_RELOC_HI16_S_BASEREL), | |
1753 | MAP ("tls", BFD_RELOC_PPC_TLS), | |
1754 | MAP ("dtpmod", BFD_RELOC_PPC_DTPMOD), | |
1755 | MAP ("dtprel", BFD_RELOC_PPC_DTPREL), | |
1756 | MAP ("dtprel@l", BFD_RELOC_PPC_DTPREL16_LO), | |
1757 | MAP ("dtprel@h", BFD_RELOC_PPC_DTPREL16_HI), | |
1758 | MAP ("dtprel@ha", BFD_RELOC_PPC_DTPREL16_HA), | |
1759 | MAP ("tprel", BFD_RELOC_PPC_TPREL), | |
1760 | MAP ("tprel@l", BFD_RELOC_PPC_TPREL16_LO), | |
1761 | MAP ("tprel@h", BFD_RELOC_PPC_TPREL16_HI), | |
1762 | MAP ("tprel@ha", BFD_RELOC_PPC_TPREL16_HA), | |
1763 | MAP ("got@tlsgd", BFD_RELOC_PPC_GOT_TLSGD16), | |
1764 | MAP ("got@tlsgd@l", BFD_RELOC_PPC_GOT_TLSGD16_LO), | |
1765 | MAP ("got@tlsgd@h", BFD_RELOC_PPC_GOT_TLSGD16_HI), | |
1766 | MAP ("got@tlsgd@ha", BFD_RELOC_PPC_GOT_TLSGD16_HA), | |
1767 | MAP ("got@tlsld", BFD_RELOC_PPC_GOT_TLSLD16), | |
1768 | MAP ("got@tlsld@l", BFD_RELOC_PPC_GOT_TLSLD16_LO), | |
1769 | MAP ("got@tlsld@h", BFD_RELOC_PPC_GOT_TLSLD16_HI), | |
1770 | MAP ("got@tlsld@ha", BFD_RELOC_PPC_GOT_TLSLD16_HA), | |
1771 | MAP ("got@dtprel", BFD_RELOC_PPC_GOT_DTPREL16), | |
1772 | MAP ("got@dtprel@l", BFD_RELOC_PPC_GOT_DTPREL16_LO), | |
1773 | MAP ("got@dtprel@h", BFD_RELOC_PPC_GOT_DTPREL16_HI), | |
1774 | MAP ("got@dtprel@ha", BFD_RELOC_PPC_GOT_DTPREL16_HA), | |
1775 | MAP ("got@tprel", BFD_RELOC_PPC_GOT_TPREL16), | |
1776 | MAP ("got@tprel@l", BFD_RELOC_PPC_GOT_TPREL16_LO), | |
1777 | MAP ("got@tprel@h", BFD_RELOC_PPC_GOT_TPREL16_HI), | |
1778 | MAP ("got@tprel@ha", BFD_RELOC_PPC_GOT_TPREL16_HA), | |
1779 | MAP32 ("fixup", BFD_RELOC_CTOR), | |
1780 | MAP32 ("plt", BFD_RELOC_24_PLT_PCREL), | |
1781 | MAP32 ("pltrel24", BFD_RELOC_24_PLT_PCREL), | |
1782 | MAP32 ("local24pc", BFD_RELOC_PPC_LOCAL24PC), | |
1783 | MAP32 ("local", BFD_RELOC_PPC_LOCAL24PC), | |
1784 | MAP32 ("pltrel", BFD_RELOC_32_PLT_PCREL), | |
1785 | MAP32 ("sdarel", BFD_RELOC_GPREL16), | |
1786 | MAP32 ("naddr", BFD_RELOC_PPC_EMB_NADDR32), | |
1787 | MAP32 ("naddr16", BFD_RELOC_PPC_EMB_NADDR16), | |
1788 | MAP32 ("naddr@l", BFD_RELOC_PPC_EMB_NADDR16_LO), | |
1789 | MAP32 ("naddr@h", BFD_RELOC_PPC_EMB_NADDR16_HI), | |
1790 | MAP32 ("naddr@ha", BFD_RELOC_PPC_EMB_NADDR16_HA), | |
1791 | MAP32 ("sdai16", BFD_RELOC_PPC_EMB_SDAI16), | |
1792 | MAP32 ("sda2rel", BFD_RELOC_PPC_EMB_SDA2REL), | |
1793 | MAP32 ("sda2i16", BFD_RELOC_PPC_EMB_SDA2I16), | |
1794 | MAP32 ("sda21", BFD_RELOC_PPC_EMB_SDA21), | |
1795 | MAP32 ("mrkref", BFD_RELOC_PPC_EMB_MRKREF), | |
1796 | MAP32 ("relsect", BFD_RELOC_PPC_EMB_RELSEC16), | |
1797 | MAP32 ("relsect@l", BFD_RELOC_PPC_EMB_RELST_LO), | |
1798 | MAP32 ("relsect@h", BFD_RELOC_PPC_EMB_RELST_HI), | |
1799 | MAP32 ("relsect@ha", BFD_RELOC_PPC_EMB_RELST_HA), | |
1800 | MAP32 ("bitfld", BFD_RELOC_PPC_EMB_BIT_FLD), | |
1801 | MAP32 ("relsda", BFD_RELOC_PPC_EMB_RELSDA), | |
1802 | MAP32 ("xgot", BFD_RELOC_PPC_TOC16), | |
1803 | MAP64 ("higher", BFD_RELOC_PPC64_HIGHER), | |
1804 | MAP64 ("highera", BFD_RELOC_PPC64_HIGHER_S), | |
1805 | MAP64 ("highest", BFD_RELOC_PPC64_HIGHEST), | |
1806 | MAP64 ("highesta", BFD_RELOC_PPC64_HIGHEST_S), | |
1807 | MAP64 ("tocbase", BFD_RELOC_PPC64_TOC), | |
1808 | MAP64 ("toc", BFD_RELOC_PPC_TOC16), | |
1809 | MAP64 ("toc@l", BFD_RELOC_PPC64_TOC16_LO), | |
1810 | MAP64 ("toc@h", BFD_RELOC_PPC64_TOC16_HI), | |
1811 | MAP64 ("toc@ha", BFD_RELOC_PPC64_TOC16_HA), | |
1812 | MAP64 ("dtprel@higher", BFD_RELOC_PPC64_DTPREL16_HIGHER), | |
1813 | MAP64 ("dtprel@highera", BFD_RELOC_PPC64_DTPREL16_HIGHERA), | |
1814 | MAP64 ("dtprel@highest", BFD_RELOC_PPC64_DTPREL16_HIGHEST), | |
1815 | MAP64 ("dtprel@highesta", BFD_RELOC_PPC64_DTPREL16_HIGHESTA), | |
1816 | MAP64 ("tprel@higher", BFD_RELOC_PPC64_TPREL16_HIGHER), | |
1817 | MAP64 ("tprel@highera", BFD_RELOC_PPC64_TPREL16_HIGHERA), | |
1818 | MAP64 ("tprel@highest", BFD_RELOC_PPC64_TPREL16_HIGHEST), | |
1819 | MAP64 ("tprel@highesta", BFD_RELOC_PPC64_TPREL16_HIGHESTA), | |
1820 | { (char *) 0, 0, 0, 0, BFD_RELOC_UNUSED } | |
252b5132 RH |
1821 | }; |
1822 | ||
1823 | if (*str++ != '@') | |
1824 | return BFD_RELOC_UNUSED; | |
1825 | ||
1826 | for (ch = *str, str2 = ident; | |
1827 | (str2 < ident + sizeof (ident) - 1 | |
3882b010 | 1828 | && (ISALNUM (ch) || ch == '@')); |
252b5132 RH |
1829 | ch = *++str) |
1830 | { | |
3882b010 | 1831 | *str2++ = TOLOWER (ch); |
252b5132 RH |
1832 | } |
1833 | ||
1834 | *str2 = '\0'; | |
1835 | len = str2 - ident; | |
1836 | ||
1837 | ch = ident[0]; | |
1838 | for (ptr = &mapping[0]; ptr->length > 0; ptr++) | |
1839 | if (ch == ptr->string[0] | |
1840 | && len == ptr->length | |
b7d7dc63 AM |
1841 | && memcmp (ident, ptr->string, ptr->length) == 0 |
1842 | && (ppc_obj64 ? ptr->valid64 : ptr->valid32)) | |
252b5132 | 1843 | { |
15c1449b AM |
1844 | int reloc = ptr->reloc; |
1845 | ||
727fc41e AM |
1846 | if (!ppc_obj64 && exp_p->X_add_number != 0) |
1847 | { | |
1848 | switch (reloc) | |
1849 | { | |
1850 | case BFD_RELOC_16_GOTOFF: | |
1851 | case BFD_RELOC_LO16_GOTOFF: | |
1852 | case BFD_RELOC_HI16_GOTOFF: | |
1853 | case BFD_RELOC_HI16_S_GOTOFF: | |
1854 | as_warn (_("identifier+constant@got means " | |
1855 | "identifier@got+constant")); | |
1856 | break; | |
1857 | ||
1858 | case BFD_RELOC_PPC_GOT_TLSGD16: | |
1859 | case BFD_RELOC_PPC_GOT_TLSGD16_LO: | |
1860 | case BFD_RELOC_PPC_GOT_TLSGD16_HI: | |
1861 | case BFD_RELOC_PPC_GOT_TLSGD16_HA: | |
1862 | case BFD_RELOC_PPC_GOT_TLSLD16: | |
1863 | case BFD_RELOC_PPC_GOT_TLSLD16_LO: | |
1864 | case BFD_RELOC_PPC_GOT_TLSLD16_HI: | |
1865 | case BFD_RELOC_PPC_GOT_TLSLD16_HA: | |
1866 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
1867 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
1868 | case BFD_RELOC_PPC_GOT_DTPREL16_HI: | |
1869 | case BFD_RELOC_PPC_GOT_DTPREL16_HA: | |
1870 | case BFD_RELOC_PPC_GOT_TPREL16: | |
1871 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
1872 | case BFD_RELOC_PPC_GOT_TPREL16_HI: | |
1873 | case BFD_RELOC_PPC_GOT_TPREL16_HA: | |
1874 | as_bad (_("symbol+offset not supported for got tls")); | |
1875 | break; | |
1876 | } | |
1877 | } | |
5f6db75a AM |
1878 | |
1879 | /* Now check for identifier@suffix+constant. */ | |
1880 | if (*str == '-' || *str == '+') | |
252b5132 | 1881 | { |
5f6db75a AM |
1882 | char *orig_line = input_line_pointer; |
1883 | expressionS new_exp; | |
1884 | ||
1885 | input_line_pointer = str; | |
1886 | expression (&new_exp); | |
1887 | if (new_exp.X_op == O_constant) | |
252b5132 | 1888 | { |
5f6db75a AM |
1889 | exp_p->X_add_number += new_exp.X_add_number; |
1890 | str = input_line_pointer; | |
252b5132 | 1891 | } |
5f6db75a AM |
1892 | |
1893 | if (&input_line_pointer != str_p) | |
1894 | input_line_pointer = orig_line; | |
252b5132 | 1895 | } |
252b5132 | 1896 | *str_p = str; |
0baf16f2 | 1897 | |
2b3c4602 | 1898 | if (reloc == (int) BFD_RELOC_PPC64_TOC |
9f2b53d7 AM |
1899 | && exp_p->X_op == O_symbol |
1900 | && strcmp (S_GET_NAME (exp_p->X_add_symbol), ".TOC.") == 0) | |
0baf16f2 | 1901 | { |
9f2b53d7 AM |
1902 | /* Change the symbol so that the dummy .TOC. symbol can be |
1903 | omitted from the object file. */ | |
0baf16f2 AM |
1904 | exp_p->X_add_symbol = &abs_symbol; |
1905 | } | |
1906 | ||
15c1449b | 1907 | return (bfd_reloc_code_real_type) reloc; |
252b5132 RH |
1908 | } |
1909 | ||
1910 | return BFD_RELOC_UNUSED; | |
1911 | } | |
1912 | ||
99a814a1 AM |
1913 | /* Like normal .long/.short/.word, except support @got, etc. |
1914 | Clobbers input_line_pointer, checks end-of-line. */ | |
252b5132 | 1915 | static void |
98027b10 | 1916 | ppc_elf_cons (int nbytes /* 1=.byte, 2=.word, 4=.long, 8=.llong */) |
252b5132 RH |
1917 | { |
1918 | expressionS exp; | |
1919 | bfd_reloc_code_real_type reloc; | |
1920 | ||
1921 | if (is_it_end_of_statement ()) | |
1922 | { | |
1923 | demand_empty_rest_of_line (); | |
1924 | return; | |
1925 | } | |
1926 | ||
1927 | do | |
1928 | { | |
1929 | expression (&exp); | |
1930 | if (exp.X_op == O_symbol | |
1931 | && *input_line_pointer == '@' | |
99a814a1 AM |
1932 | && (reloc = ppc_elf_suffix (&input_line_pointer, |
1933 | &exp)) != BFD_RELOC_UNUSED) | |
252b5132 | 1934 | { |
99a814a1 AM |
1935 | reloc_howto_type *reloc_howto; |
1936 | int size; | |
1937 | ||
1938 | reloc_howto = bfd_reloc_type_lookup (stdoutput, reloc); | |
1939 | size = bfd_get_reloc_size (reloc_howto); | |
252b5132 RH |
1940 | |
1941 | if (size > nbytes) | |
0baf16f2 AM |
1942 | { |
1943 | as_bad (_("%s relocations do not fit in %d bytes\n"), | |
1944 | reloc_howto->name, nbytes); | |
1945 | } | |
252b5132 RH |
1946 | else |
1947 | { | |
0baf16f2 AM |
1948 | char *p; |
1949 | int offset; | |
252b5132 | 1950 | |
0baf16f2 | 1951 | p = frag_more (nbytes); |
aa0c8c1a | 1952 | memset (p, 0, nbytes); |
0baf16f2 AM |
1953 | offset = 0; |
1954 | if (target_big_endian) | |
1955 | offset = nbytes - size; | |
99a814a1 AM |
1956 | fix_new_exp (frag_now, p - frag_now->fr_literal + offset, size, |
1957 | &exp, 0, reloc); | |
252b5132 RH |
1958 | } |
1959 | } | |
1960 | else | |
1961 | emit_expr (&exp, (unsigned int) nbytes); | |
1962 | } | |
1963 | while (*input_line_pointer++ == ','); | |
1964 | ||
99a814a1 AM |
1965 | /* Put terminator back into stream. */ |
1966 | input_line_pointer--; | |
252b5132 RH |
1967 | demand_empty_rest_of_line (); |
1968 | } | |
1969 | ||
1970 | /* Solaris pseduo op to change to the .rodata section. */ | |
1971 | static void | |
98027b10 | 1972 | ppc_elf_rdata (int xxx) |
252b5132 RH |
1973 | { |
1974 | char *save_line = input_line_pointer; | |
1975 | static char section[] = ".rodata\n"; | |
1976 | ||
99a814a1 | 1977 | /* Just pretend this is .section .rodata */ |
252b5132 RH |
1978 | input_line_pointer = section; |
1979 | obj_elf_section (xxx); | |
1980 | ||
1981 | input_line_pointer = save_line; | |
1982 | } | |
1983 | ||
99a814a1 | 1984 | /* Pseudo op to make file scope bss items. */ |
252b5132 | 1985 | static void |
98027b10 | 1986 | ppc_elf_lcomm (int xxx ATTRIBUTE_UNUSED) |
252b5132 | 1987 | { |
98027b10 AM |
1988 | char *name; |
1989 | char c; | |
1990 | char *p; | |
252b5132 | 1991 | offsetT size; |
98027b10 | 1992 | symbolS *symbolP; |
252b5132 RH |
1993 | offsetT align; |
1994 | segT old_sec; | |
1995 | int old_subsec; | |
1996 | char *pfrag; | |
1997 | int align2; | |
1998 | ||
1999 | name = input_line_pointer; | |
2000 | c = get_symbol_end (); | |
2001 | ||
99a814a1 | 2002 | /* just after name is now '\0'. */ |
252b5132 RH |
2003 | p = input_line_pointer; |
2004 | *p = c; | |
2005 | SKIP_WHITESPACE (); | |
2006 | if (*input_line_pointer != ',') | |
2007 | { | |
2008 | as_bad (_("Expected comma after symbol-name: rest of line ignored.")); | |
2009 | ignore_rest_of_line (); | |
2010 | return; | |
2011 | } | |
2012 | ||
2013 | input_line_pointer++; /* skip ',' */ | |
2014 | if ((size = get_absolute_expression ()) < 0) | |
2015 | { | |
2016 | as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) size); | |
2017 | ignore_rest_of_line (); | |
2018 | return; | |
2019 | } | |
2020 | ||
2021 | /* The third argument to .lcomm is the alignment. */ | |
2022 | if (*input_line_pointer != ',') | |
2023 | align = 8; | |
2024 | else | |
2025 | { | |
2026 | ++input_line_pointer; | |
2027 | align = get_absolute_expression (); | |
2028 | if (align <= 0) | |
2029 | { | |
2030 | as_warn (_("ignoring bad alignment")); | |
2031 | align = 8; | |
2032 | } | |
2033 | } | |
2034 | ||
2035 | *p = 0; | |
2036 | symbolP = symbol_find_or_make (name); | |
2037 | *p = c; | |
2038 | ||
2039 | if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP)) | |
2040 | { | |
2041 | as_bad (_("Ignoring attempt to re-define symbol `%s'."), | |
2042 | S_GET_NAME (symbolP)); | |
2043 | ignore_rest_of_line (); | |
2044 | return; | |
2045 | } | |
2046 | ||
2047 | if (S_GET_VALUE (symbolP) && S_GET_VALUE (symbolP) != (valueT) size) | |
2048 | { | |
2049 | as_bad (_("Length of .lcomm \"%s\" is already %ld. Not changed to %ld."), | |
2050 | S_GET_NAME (symbolP), | |
2051 | (long) S_GET_VALUE (symbolP), | |
2052 | (long) size); | |
2053 | ||
2054 | ignore_rest_of_line (); | |
2055 | return; | |
2056 | } | |
2057 | ||
99a814a1 | 2058 | /* Allocate_bss. */ |
252b5132 RH |
2059 | old_sec = now_seg; |
2060 | old_subsec = now_subseg; | |
2061 | if (align) | |
2062 | { | |
99a814a1 | 2063 | /* Convert to a power of 2 alignment. */ |
252b5132 RH |
2064 | for (align2 = 0; (align & 1) == 0; align >>= 1, ++align2); |
2065 | if (align != 1) | |
2066 | { | |
2067 | as_bad (_("Common alignment not a power of 2")); | |
2068 | ignore_rest_of_line (); | |
2069 | return; | |
2070 | } | |
2071 | } | |
2072 | else | |
2073 | align2 = 0; | |
2074 | ||
2075 | record_alignment (bss_section, align2); | |
2076 | subseg_set (bss_section, 0); | |
2077 | if (align2) | |
2078 | frag_align (align2, 0, 0); | |
2079 | if (S_GET_SEGMENT (symbolP) == bss_section) | |
49309057 ILT |
2080 | symbol_get_frag (symbolP)->fr_symbol = 0; |
2081 | symbol_set_frag (symbolP, frag_now); | |
252b5132 RH |
2082 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, size, |
2083 | (char *) 0); | |
2084 | *pfrag = 0; | |
2085 | S_SET_SIZE (symbolP, size); | |
2086 | S_SET_SEGMENT (symbolP, bss_section); | |
2087 | subseg_set (old_sec, old_subsec); | |
2088 | demand_empty_rest_of_line (); | |
2089 | } | |
2090 | ||
2091 | /* Validate any relocations emitted for -mrelocatable, possibly adding | |
2092 | fixups for word relocations in writable segments, so we can adjust | |
2093 | them at runtime. */ | |
2094 | static void | |
98027b10 | 2095 | ppc_elf_validate_fix (fixS *fixp, segT seg) |
252b5132 RH |
2096 | { |
2097 | if (fixp->fx_done || fixp->fx_pcrel) | |
2098 | return; | |
2099 | ||
2100 | switch (shlib) | |
2101 | { | |
2102 | case SHLIB_NONE: | |
2103 | case SHLIB_PIC: | |
2104 | return; | |
2105 | ||
5d6f4f16 | 2106 | case SHLIB_MRELOCATABLE: |
252b5132 RH |
2107 | if (fixp->fx_r_type <= BFD_RELOC_UNUSED |
2108 | && fixp->fx_r_type != BFD_RELOC_16_GOTOFF | |
2109 | && fixp->fx_r_type != BFD_RELOC_HI16_GOTOFF | |
2110 | && fixp->fx_r_type != BFD_RELOC_LO16_GOTOFF | |
2111 | && fixp->fx_r_type != BFD_RELOC_HI16_S_GOTOFF | |
1cfc59d5 | 2112 | && fixp->fx_r_type != BFD_RELOC_16_BASEREL |
252b5132 RH |
2113 | && fixp->fx_r_type != BFD_RELOC_LO16_BASEREL |
2114 | && fixp->fx_r_type != BFD_RELOC_HI16_BASEREL | |
2115 | && fixp->fx_r_type != BFD_RELOC_HI16_S_BASEREL | |
e138127a | 2116 | && (seg->flags & SEC_LOAD) != 0 |
252b5132 RH |
2117 | && strcmp (segment_name (seg), ".got2") != 0 |
2118 | && strcmp (segment_name (seg), ".dtors") != 0 | |
2119 | && strcmp (segment_name (seg), ".ctors") != 0 | |
2120 | && strcmp (segment_name (seg), ".fixup") != 0 | |
252b5132 RH |
2121 | && strcmp (segment_name (seg), ".gcc_except_table") != 0 |
2122 | && strcmp (segment_name (seg), ".eh_frame") != 0 | |
2123 | && strcmp (segment_name (seg), ".ex_shared") != 0) | |
2124 | { | |
2125 | if ((seg->flags & (SEC_READONLY | SEC_CODE)) != 0 | |
2126 | || fixp->fx_r_type != BFD_RELOC_CTOR) | |
2127 | { | |
2128 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
2129 | _("Relocation cannot be done when using -mrelocatable")); | |
2130 | } | |
2131 | } | |
2132 | return; | |
2133 | } | |
2134 | } | |
0baf16f2 | 2135 | |
7e8d4ab4 AM |
2136 | /* Prevent elf_frob_file_before_adjust removing a weak undefined |
2137 | function descriptor sym if the corresponding code sym is used. */ | |
2138 | ||
2139 | void | |
98027b10 | 2140 | ppc_frob_file_before_adjust (void) |
0baf16f2 | 2141 | { |
7e8d4ab4 | 2142 | symbolS *symp; |
9232bbb0 | 2143 | asection *toc; |
0baf16f2 | 2144 | |
7e8d4ab4 AM |
2145 | if (!ppc_obj64) |
2146 | return; | |
2147 | ||
2148 | for (symp = symbol_rootP; symp; symp = symbol_next (symp)) | |
0baf16f2 | 2149 | { |
7e8d4ab4 AM |
2150 | const char *name; |
2151 | char *dotname; | |
2152 | symbolS *dotsym; | |
2153 | size_t len; | |
2154 | ||
2155 | name = S_GET_NAME (symp); | |
2156 | if (name[0] == '.') | |
2157 | continue; | |
2158 | ||
2159 | if (! S_IS_WEAK (symp) | |
2160 | || S_IS_DEFINED (symp)) | |
2161 | continue; | |
2162 | ||
2163 | len = strlen (name) + 1; | |
2164 | dotname = xmalloc (len + 1); | |
2165 | dotname[0] = '.'; | |
2166 | memcpy (dotname + 1, name, len); | |
461b725f | 2167 | dotsym = symbol_find_noref (dotname, 1); |
7e8d4ab4 AM |
2168 | free (dotname); |
2169 | if (dotsym != NULL && (symbol_used_p (dotsym) | |
2170 | || symbol_used_in_reloc_p (dotsym))) | |
670ec21d NC |
2171 | symbol_mark_used (symp); |
2172 | ||
0baf16f2 AM |
2173 | } |
2174 | ||
9232bbb0 AM |
2175 | toc = bfd_get_section_by_name (stdoutput, ".toc"); |
2176 | if (toc != NULL | |
01efc3af | 2177 | && toc_reloc_types != has_large_toc_reloc |
9232bbb0 AM |
2178 | && bfd_section_size (stdoutput, toc) > 0x10000) |
2179 | as_warn (_("TOC section size exceeds 64k")); | |
2180 | ||
7e8d4ab4 AM |
2181 | /* Don't emit .TOC. symbol. */ |
2182 | symp = symbol_find (".TOC."); | |
2183 | if (symp != NULL) | |
2184 | symbol_remove (symp, &symbol_rootP, &symbol_lastP); | |
0baf16f2 | 2185 | } |
252b5132 RH |
2186 | #endif /* OBJ_ELF */ |
2187 | \f | |
2188 | #ifdef TE_PE | |
2189 | ||
2190 | /* | |
99a814a1 | 2191 | * Summary of parse_toc_entry. |
252b5132 RH |
2192 | * |
2193 | * in: Input_line_pointer points to the '[' in one of: | |
2194 | * | |
2195 | * [toc] [tocv] [toc32] [toc64] | |
2196 | * | |
2197 | * Anything else is an error of one kind or another. | |
2198 | * | |
81d4177b | 2199 | * out: |
252b5132 RH |
2200 | * return value: success or failure |
2201 | * toc_kind: kind of toc reference | |
2202 | * input_line_pointer: | |
2203 | * success: first char after the ']' | |
2204 | * failure: unchanged | |
2205 | * | |
2206 | * settings: | |
2207 | * | |
2208 | * [toc] - rv == success, toc_kind = default_toc | |
2209 | * [tocv] - rv == success, toc_kind = data_in_toc | |
2210 | * [toc32] - rv == success, toc_kind = must_be_32 | |
2211 | * [toc64] - rv == success, toc_kind = must_be_64 | |
2212 | * | |
2213 | */ | |
2214 | ||
81d4177b KH |
2215 | enum toc_size_qualifier |
2216 | { | |
252b5132 RH |
2217 | default_toc, /* The toc cell constructed should be the system default size */ |
2218 | data_in_toc, /* This is a direct reference to a toc cell */ | |
2219 | must_be_32, /* The toc cell constructed must be 32 bits wide */ | |
2220 | must_be_64 /* The toc cell constructed must be 64 bits wide */ | |
2221 | }; | |
2222 | ||
2223 | static int | |
98027b10 | 2224 | parse_toc_entry (enum toc_size_qualifier *toc_kind) |
252b5132 RH |
2225 | { |
2226 | char *start; | |
2227 | char *toc_spec; | |
2228 | char c; | |
2229 | enum toc_size_qualifier t; | |
2230 | ||
99a814a1 | 2231 | /* Save the input_line_pointer. */ |
252b5132 RH |
2232 | start = input_line_pointer; |
2233 | ||
99a814a1 | 2234 | /* Skip over the '[' , and whitespace. */ |
252b5132 RH |
2235 | ++input_line_pointer; |
2236 | SKIP_WHITESPACE (); | |
81d4177b | 2237 | |
99a814a1 | 2238 | /* Find the spelling of the operand. */ |
252b5132 RH |
2239 | toc_spec = input_line_pointer; |
2240 | c = get_symbol_end (); | |
2241 | ||
99a814a1 | 2242 | if (strcmp (toc_spec, "toc") == 0) |
252b5132 RH |
2243 | { |
2244 | t = default_toc; | |
2245 | } | |
99a814a1 | 2246 | else if (strcmp (toc_spec, "tocv") == 0) |
252b5132 RH |
2247 | { |
2248 | t = data_in_toc; | |
2249 | } | |
99a814a1 | 2250 | else if (strcmp (toc_spec, "toc32") == 0) |
252b5132 RH |
2251 | { |
2252 | t = must_be_32; | |
2253 | } | |
99a814a1 | 2254 | else if (strcmp (toc_spec, "toc64") == 0) |
252b5132 RH |
2255 | { |
2256 | t = must_be_64; | |
2257 | } | |
2258 | else | |
2259 | { | |
2260 | as_bad (_("syntax error: invalid toc specifier `%s'"), toc_spec); | |
99a814a1 AM |
2261 | *input_line_pointer = c; |
2262 | input_line_pointer = start; | |
252b5132 RH |
2263 | return 0; |
2264 | } | |
2265 | ||
99a814a1 AM |
2266 | /* Now find the ']'. */ |
2267 | *input_line_pointer = c; | |
252b5132 | 2268 | |
81d4177b KH |
2269 | SKIP_WHITESPACE (); /* leading whitespace could be there. */ |
2270 | c = *input_line_pointer++; /* input_line_pointer->past char in c. */ | |
252b5132 RH |
2271 | |
2272 | if (c != ']') | |
2273 | { | |
2274 | as_bad (_("syntax error: expected `]', found `%c'"), c); | |
99a814a1 | 2275 | input_line_pointer = start; |
252b5132 RH |
2276 | return 0; |
2277 | } | |
2278 | ||
99a814a1 | 2279 | *toc_kind = t; |
252b5132 RH |
2280 | return 1; |
2281 | } | |
2282 | #endif | |
2283 | \f | |
2284 | ||
dc1d03fc | 2285 | #ifdef OBJ_ELF |
6a0c61b7 EZ |
2286 | #define APUID(a,v) ((((a) & 0xffff) << 16) | ((v) & 0xffff)) |
2287 | static void | |
98027b10 | 2288 | ppc_apuinfo_section_add (unsigned int apu, unsigned int version) |
6a0c61b7 EZ |
2289 | { |
2290 | unsigned int i; | |
2291 | ||
2292 | /* Check we don't already exist. */ | |
2293 | for (i = 0; i < ppc_apuinfo_num; i++) | |
dc1d03fc | 2294 | if (ppc_apuinfo_list[i] == APUID (apu, version)) |
6a0c61b7 | 2295 | return; |
b34976b6 | 2296 | |
6a0c61b7 EZ |
2297 | if (ppc_apuinfo_num == ppc_apuinfo_num_alloc) |
2298 | { | |
2299 | if (ppc_apuinfo_num_alloc == 0) | |
2300 | { | |
2301 | ppc_apuinfo_num_alloc = 4; | |
2302 | ppc_apuinfo_list = (unsigned long *) | |
2303 | xmalloc (sizeof (unsigned long) * ppc_apuinfo_num_alloc); | |
2304 | } | |
2305 | else | |
2306 | { | |
2307 | ppc_apuinfo_num_alloc += 4; | |
2308 | ppc_apuinfo_list = (unsigned long *) xrealloc (ppc_apuinfo_list, | |
2309 | sizeof (unsigned long) * ppc_apuinfo_num_alloc); | |
2310 | } | |
2311 | } | |
dc1d03fc | 2312 | ppc_apuinfo_list[ppc_apuinfo_num++] = APUID (apu, version); |
6a0c61b7 EZ |
2313 | } |
2314 | #undef APUID | |
dc1d03fc | 2315 | #endif |
6a0c61b7 EZ |
2316 | \f |
2317 | ||
252b5132 RH |
2318 | /* We need to keep a list of fixups. We can't simply generate them as |
2319 | we go, because that would require us to first create the frag, and | |
2320 | that would screw up references to ``.''. */ | |
2321 | ||
2322 | struct ppc_fixup | |
2323 | { | |
2324 | expressionS exp; | |
2325 | int opindex; | |
2326 | bfd_reloc_code_real_type reloc; | |
2327 | }; | |
2328 | ||
2329 | #define MAX_INSN_FIXUPS (5) | |
2330 | ||
2331 | /* This routine is called for each instruction to be assembled. */ | |
2332 | ||
2333 | void | |
98027b10 | 2334 | md_assemble (char *str) |
252b5132 RH |
2335 | { |
2336 | char *s; | |
2337 | const struct powerpc_opcode *opcode; | |
2338 | unsigned long insn; | |
2339 | const unsigned char *opindex_ptr; | |
2340 | int skip_optional; | |
2341 | int need_paren; | |
2342 | int next_opindex; | |
2343 | struct ppc_fixup fixups[MAX_INSN_FIXUPS]; | |
2344 | int fc; | |
2345 | char *f; | |
09b935ac | 2346 | int addr_mod; |
252b5132 RH |
2347 | int i; |
2348 | #ifdef OBJ_ELF | |
2349 | bfd_reloc_code_real_type reloc; | |
2350 | #endif | |
2351 | ||
2352 | /* Get the opcode. */ | |
3882b010 | 2353 | for (s = str; *s != '\0' && ! ISSPACE (*s); s++) |
252b5132 RH |
2354 | ; |
2355 | if (*s != '\0') | |
2356 | *s++ = '\0'; | |
2357 | ||
2358 | /* Look up the opcode in the hash table. */ | |
2359 | opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, str); | |
2360 | if (opcode == (const struct powerpc_opcode *) NULL) | |
2361 | { | |
2362 | const struct powerpc_macro *macro; | |
2363 | ||
2364 | macro = (const struct powerpc_macro *) hash_find (ppc_macro_hash, str); | |
2365 | if (macro == (const struct powerpc_macro *) NULL) | |
2366 | as_bad (_("Unrecognized opcode: `%s'"), str); | |
2367 | else | |
2368 | ppc_macro (s, macro); | |
2369 | ||
2370 | return; | |
2371 | } | |
2372 | ||
2373 | insn = opcode->opcode; | |
2374 | ||
2375 | str = s; | |
3882b010 | 2376 | while (ISSPACE (*str)) |
252b5132 RH |
2377 | ++str; |
2378 | ||
2379 | /* PowerPC operands are just expressions. The only real issue is | |
2380 | that a few operand types are optional. All cases which might use | |
1f6c9eb0 ZW |
2381 | an optional operand separate the operands only with commas (in some |
2382 | cases parentheses are used, as in ``lwz 1,0(1)'' but such cases never | |
2383 | have optional operands). Most instructions with optional operands | |
2384 | have only one. Those that have more than one optional operand can | |
2385 | take either all their operands or none. So, before we start seriously | |
2386 | parsing the operands, we check to see if we have optional operands, | |
2387 | and if we do, we count the number of commas to see which operands | |
2388 | have been omitted. */ | |
252b5132 RH |
2389 | skip_optional = 0; |
2390 | for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++) | |
2391 | { | |
2392 | const struct powerpc_operand *operand; | |
2393 | ||
2394 | operand = &powerpc_operands[*opindex_ptr]; | |
2395 | if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0) | |
2396 | { | |
2397 | unsigned int opcount; | |
7fe9cf6b | 2398 | unsigned int num_operands_expected; |
252b5132 RH |
2399 | |
2400 | /* There is an optional operand. Count the number of | |
2401 | commas in the input line. */ | |
2402 | if (*str == '\0') | |
2403 | opcount = 0; | |
2404 | else | |
2405 | { | |
2406 | opcount = 1; | |
2407 | s = str; | |
2408 | while ((s = strchr (s, ',')) != (char *) NULL) | |
2409 | { | |
2410 | ++opcount; | |
2411 | ++s; | |
2412 | } | |
2413 | } | |
2414 | ||
7fe9cf6b NC |
2415 | /* Compute the number of expected operands. |
2416 | Do not count fake operands. */ | |
2417 | for (num_operands_expected = 0, i = 0; opcode->operands[i]; i ++) | |
2418 | if ((powerpc_operands [opcode->operands[i]].flags & PPC_OPERAND_FAKE) == 0) | |
2419 | ++ num_operands_expected; | |
2420 | ||
252b5132 RH |
2421 | /* If there are fewer operands in the line then are called |
2422 | for by the instruction, we want to skip the optional | |
1f6c9eb0 | 2423 | operands. */ |
7fe9cf6b | 2424 | if (opcount < num_operands_expected) |
252b5132 RH |
2425 | skip_optional = 1; |
2426 | ||
2427 | break; | |
2428 | } | |
2429 | } | |
2430 | ||
2431 | /* Gather the operands. */ | |
2432 | need_paren = 0; | |
2433 | next_opindex = 0; | |
2434 | fc = 0; | |
2435 | for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++) | |
2436 | { | |
2437 | const struct powerpc_operand *operand; | |
2438 | const char *errmsg; | |
2439 | char *hold; | |
2440 | expressionS ex; | |
2441 | char endc; | |
2442 | ||
2443 | if (next_opindex == 0) | |
2444 | operand = &powerpc_operands[*opindex_ptr]; | |
2445 | else | |
2446 | { | |
2447 | operand = &powerpc_operands[next_opindex]; | |
2448 | next_opindex = 0; | |
2449 | } | |
252b5132 RH |
2450 | errmsg = NULL; |
2451 | ||
2452 | /* If this is a fake operand, then we do not expect anything | |
2453 | from the input. */ | |
2454 | if ((operand->flags & PPC_OPERAND_FAKE) != 0) | |
2455 | { | |
2b3c4602 | 2456 | insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg); |
252b5132 | 2457 | if (errmsg != (const char *) NULL) |
ee2c9aa9 | 2458 | as_bad ("%s", errmsg); |
252b5132 RH |
2459 | continue; |
2460 | } | |
2461 | ||
2462 | /* If this is an optional operand, and we are skipping it, just | |
2463 | insert a zero. */ | |
2464 | if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0 | |
2465 | && skip_optional) | |
2466 | { | |
2467 | if (operand->insert) | |
2468 | { | |
2b3c4602 | 2469 | insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg); |
252b5132 | 2470 | if (errmsg != (const char *) NULL) |
ee2c9aa9 | 2471 | as_bad ("%s", errmsg); |
252b5132 RH |
2472 | } |
2473 | if ((operand->flags & PPC_OPERAND_NEXT) != 0) | |
2474 | next_opindex = *opindex_ptr + 1; | |
2475 | continue; | |
2476 | } | |
2477 | ||
2478 | /* Gather the operand. */ | |
2479 | hold = input_line_pointer; | |
2480 | input_line_pointer = str; | |
2481 | ||
2482 | #ifdef TE_PE | |
81d4177b | 2483 | if (*input_line_pointer == '[') |
252b5132 RH |
2484 | { |
2485 | /* We are expecting something like the second argument here: | |
99a814a1 AM |
2486 | * |
2487 | * lwz r4,[toc].GS.0.static_int(rtoc) | |
2488 | * ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |
2489 | * The argument following the `]' must be a symbol name, and the | |
2490 | * register must be the toc register: 'rtoc' or '2' | |
2491 | * | |
2492 | * The effect is to 0 as the displacement field | |
2493 | * in the instruction, and issue an IMAGE_REL_PPC_TOCREL16 (or | |
2494 | * the appropriate variation) reloc against it based on the symbol. | |
2495 | * The linker will build the toc, and insert the resolved toc offset. | |
2496 | * | |
2497 | * Note: | |
2498 | * o The size of the toc entry is currently assumed to be | |
2499 | * 32 bits. This should not be assumed to be a hard coded | |
2500 | * number. | |
2501 | * o In an effort to cope with a change from 32 to 64 bits, | |
2502 | * there are also toc entries that are specified to be | |
2503 | * either 32 or 64 bits: | |
2504 | * lwz r4,[toc32].GS.0.static_int(rtoc) | |
2505 | * lwz r4,[toc64].GS.0.static_int(rtoc) | |
2506 | * These demand toc entries of the specified size, and the | |
2507 | * instruction probably requires it. | |
2508 | */ | |
252b5132 RH |
2509 | |
2510 | int valid_toc; | |
2511 | enum toc_size_qualifier toc_kind; | |
2512 | bfd_reloc_code_real_type toc_reloc; | |
2513 | ||
99a814a1 AM |
2514 | /* Go parse off the [tocXX] part. */ |
2515 | valid_toc = parse_toc_entry (&toc_kind); | |
252b5132 | 2516 | |
81d4177b | 2517 | if (!valid_toc) |
252b5132 | 2518 | { |
99a814a1 AM |
2519 | /* Note: message has already been issued. |
2520 | FIXME: what sort of recovery should we do? | |
2521 | demand_rest_of_line (); return; ? */ | |
252b5132 RH |
2522 | } |
2523 | ||
99a814a1 AM |
2524 | /* Now get the symbol following the ']'. */ |
2525 | expression (&ex); | |
252b5132 RH |
2526 | |
2527 | switch (toc_kind) | |
2528 | { | |
2529 | case default_toc: | |
99a814a1 AM |
2530 | /* In this case, we may not have seen the symbol yet, |
2531 | since it is allowed to appear on a .extern or .globl | |
2532 | or just be a label in the .data section. */ | |
252b5132 RH |
2533 | toc_reloc = BFD_RELOC_PPC_TOC16; |
2534 | break; | |
2535 | case data_in_toc: | |
99a814a1 AM |
2536 | /* 1. The symbol must be defined and either in the toc |
2537 | section, or a global. | |
2538 | 2. The reloc generated must have the TOCDEFN flag set | |
2539 | in upper bit mess of the reloc type. | |
2540 | FIXME: It's a little confusing what the tocv | |
2541 | qualifier can be used for. At the very least, I've | |
2542 | seen three uses, only one of which I'm sure I can | |
2543 | explain. */ | |
81d4177b KH |
2544 | if (ex.X_op == O_symbol) |
2545 | { | |
9c2799c2 | 2546 | gas_assert (ex.X_add_symbol != NULL); |
fed9b18a ILT |
2547 | if (symbol_get_bfdsym (ex.X_add_symbol)->section |
2548 | != tocdata_section) | |
252b5132 | 2549 | { |
99a814a1 | 2550 | as_bad (_("[tocv] symbol is not a toc symbol")); |
252b5132 RH |
2551 | } |
2552 | } | |
2553 | ||
2554 | toc_reloc = BFD_RELOC_PPC_TOC16; | |
2555 | break; | |
2556 | case must_be_32: | |
99a814a1 AM |
2557 | /* FIXME: these next two specifically specify 32/64 bit |
2558 | toc entries. We don't support them today. Is this | |
2559 | the right way to say that? */ | |
252b5132 RH |
2560 | toc_reloc = BFD_RELOC_UNUSED; |
2561 | as_bad (_("Unimplemented toc32 expression modifier")); | |
2562 | break; | |
2563 | case must_be_64: | |
99a814a1 | 2564 | /* FIXME: see above. */ |
252b5132 RH |
2565 | toc_reloc = BFD_RELOC_UNUSED; |
2566 | as_bad (_("Unimplemented toc64 expression modifier")); | |
2567 | break; | |
2568 | default: | |
bc805888 | 2569 | fprintf (stderr, |
99a814a1 AM |
2570 | _("Unexpected return value [%d] from parse_toc_entry!\n"), |
2571 | toc_kind); | |
bc805888 | 2572 | abort (); |
252b5132 RH |
2573 | break; |
2574 | } | |
2575 | ||
2576 | /* We need to generate a fixup for this expression. */ | |
2577 | if (fc >= MAX_INSN_FIXUPS) | |
2578 | as_fatal (_("too many fixups")); | |
2579 | ||
2580 | fixups[fc].reloc = toc_reloc; | |
2581 | fixups[fc].exp = ex; | |
2582 | fixups[fc].opindex = *opindex_ptr; | |
2583 | ++fc; | |
2584 | ||
99a814a1 AM |
2585 | /* Ok. We've set up the fixup for the instruction. Now make it |
2586 | look like the constant 0 was found here. */ | |
252b5132 RH |
2587 | ex.X_unsigned = 1; |
2588 | ex.X_op = O_constant; | |
2589 | ex.X_add_number = 0; | |
2590 | ex.X_add_symbol = NULL; | |
2591 | ex.X_op_symbol = NULL; | |
2592 | } | |
2593 | ||
2594 | else | |
2595 | #endif /* TE_PE */ | |
2596 | { | |
2ad068be AM |
2597 | if ((reg_names_p && (operand->flags & PPC_OPERAND_CR) != 0) |
2598 | || !register_name (&ex)) | |
252b5132 | 2599 | { |
13abbae3 AM |
2600 | char save_lex = lex_type['%']; |
2601 | ||
252b5132 | 2602 | if ((operand->flags & PPC_OPERAND_CR) != 0) |
13abbae3 AM |
2603 | { |
2604 | cr_operand = TRUE; | |
2605 | lex_type['%'] |= LEX_BEGIN_NAME; | |
2606 | } | |
252b5132 | 2607 | expression (&ex); |
b34976b6 | 2608 | cr_operand = FALSE; |
13abbae3 | 2609 | lex_type['%'] = save_lex; |
252b5132 RH |
2610 | } |
2611 | } | |
2612 | ||
2613 | str = input_line_pointer; | |
2614 | input_line_pointer = hold; | |
2615 | ||
2616 | if (ex.X_op == O_illegal) | |
2617 | as_bad (_("illegal operand")); | |
2618 | else if (ex.X_op == O_absent) | |
2619 | as_bad (_("missing operand")); | |
2620 | else if (ex.X_op == O_register) | |
2621 | { | |
2622 | insn = ppc_insert_operand (insn, operand, ex.X_add_number, | |
783de163 | 2623 | ppc_cpu, (char *) NULL, 0); |
252b5132 RH |
2624 | } |
2625 | else if (ex.X_op == O_constant) | |
2626 | { | |
2627 | #ifdef OBJ_ELF | |
81d4177b | 2628 | /* Allow @HA, @L, @H on constants. */ |
252b5132 RH |
2629 | char *orig_str = str; |
2630 | ||
2631 | if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED) | |
2632 | switch (reloc) | |
2633 | { | |
2634 | default: | |
2635 | str = orig_str; | |
2636 | break; | |
2637 | ||
2638 | case BFD_RELOC_LO16: | |
2639 | /* X_unsigned is the default, so if the user has done | |
0baf16f2 AM |
2640 | something which cleared it, we always produce a |
2641 | signed value. */ | |
2642 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
252b5132 RH |
2643 | ex.X_add_number &= 0xffff; |
2644 | else | |
0baf16f2 | 2645 | ex.X_add_number = SEX16 (ex.X_add_number); |
252b5132 RH |
2646 | break; |
2647 | ||
2648 | case BFD_RELOC_HI16: | |
0baf16f2 AM |
2649 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) |
2650 | ex.X_add_number = PPC_HI (ex.X_add_number); | |
2651 | else | |
2652 | ex.X_add_number = SEX16 (PPC_HI (ex.X_add_number)); | |
252b5132 RH |
2653 | break; |
2654 | ||
2655 | case BFD_RELOC_HI16_S: | |
0baf16f2 AM |
2656 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) |
2657 | ex.X_add_number = PPC_HA (ex.X_add_number); | |
2658 | else | |
2659 | ex.X_add_number = SEX16 (PPC_HA (ex.X_add_number)); | |
2660 | break; | |
2661 | ||
0baf16f2 AM |
2662 | case BFD_RELOC_PPC64_HIGHER: |
2663 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2664 | ex.X_add_number = PPC_HIGHER (ex.X_add_number); | |
2665 | else | |
2666 | ex.X_add_number = SEX16 (PPC_HIGHER (ex.X_add_number)); | |
2667 | break; | |
2668 | ||
2669 | case BFD_RELOC_PPC64_HIGHER_S: | |
2670 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2671 | ex.X_add_number = PPC_HIGHERA (ex.X_add_number); | |
2672 | else | |
2673 | ex.X_add_number = SEX16 (PPC_HIGHERA (ex.X_add_number)); | |
252b5132 | 2674 | break; |
0baf16f2 AM |
2675 | |
2676 | case BFD_RELOC_PPC64_HIGHEST: | |
2677 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2678 | ex.X_add_number = PPC_HIGHEST (ex.X_add_number); | |
2679 | else | |
2680 | ex.X_add_number = SEX16 (PPC_HIGHEST (ex.X_add_number)); | |
2681 | break; | |
2682 | ||
2683 | case BFD_RELOC_PPC64_HIGHEST_S: | |
2684 | if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED)) | |
2685 | ex.X_add_number = PPC_HIGHESTA (ex.X_add_number); | |
2686 | else | |
2687 | ex.X_add_number = SEX16 (PPC_HIGHESTA (ex.X_add_number)); | |
2688 | break; | |
252b5132 | 2689 | } |
0baf16f2 | 2690 | #endif /* OBJ_ELF */ |
252b5132 | 2691 | insn = ppc_insert_operand (insn, operand, ex.X_add_number, |
783de163 | 2692 | ppc_cpu, (char *) NULL, 0); |
252b5132 RH |
2693 | } |
2694 | #ifdef OBJ_ELF | |
727fc41e | 2695 | else |
252b5132 | 2696 | { |
727fc41e | 2697 | if (ex.X_op == O_symbol && str[0] == '(') |
cdba85ec | 2698 | { |
727fc41e AM |
2699 | const char *sym_name = S_GET_NAME (ex.X_add_symbol); |
2700 | if (sym_name[0] == '.') | |
2701 | ++sym_name; | |
cdba85ec | 2702 | |
727fc41e | 2703 | if (strcasecmp (sym_name, "__tls_get_addr") == 0) |
252b5132 | 2704 | { |
727fc41e AM |
2705 | expressionS tls_exp; |
2706 | ||
2707 | hold = input_line_pointer; | |
2708 | input_line_pointer = str + 1; | |
2709 | expression (&tls_exp); | |
2710 | if (tls_exp.X_op == O_symbol) | |
2711 | { | |
2712 | reloc = BFD_RELOC_UNUSED; | |
2713 | if (strncasecmp (input_line_pointer, "@tlsgd)", 7) == 0) | |
2714 | { | |
2715 | reloc = BFD_RELOC_PPC_TLSGD; | |
2716 | input_line_pointer += 7; | |
2717 | } | |
2718 | else if (strncasecmp (input_line_pointer, "@tlsld)", 7) == 0) | |
2719 | { | |
2720 | reloc = BFD_RELOC_PPC_TLSLD; | |
2721 | input_line_pointer += 7; | |
2722 | } | |
2723 | if (reloc != BFD_RELOC_UNUSED) | |
2724 | { | |
2725 | SKIP_WHITESPACE (); | |
2726 | str = input_line_pointer; | |
2727 | ||
2728 | if (fc >= MAX_INSN_FIXUPS) | |
2729 | as_fatal (_("too many fixups")); | |
2730 | fixups[fc].exp = tls_exp; | |
2731 | fixups[fc].opindex = *opindex_ptr; | |
2732 | fixups[fc].reloc = reloc; | |
2733 | ++fc; | |
2734 | } | |
2735 | } | |
2736 | input_line_pointer = hold; | |
252b5132 RH |
2737 | } |
2738 | } | |
2739 | ||
727fc41e | 2740 | if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED) |
0baf16f2 | 2741 | { |
727fc41e | 2742 | /* Some TLS tweaks. */ |
0baf16f2 AM |
2743 | switch (reloc) |
2744 | { | |
727fc41e | 2745 | default: |
cdba85ec | 2746 | break; |
727fc41e AM |
2747 | |
2748 | case BFD_RELOC_PPC_TLS: | |
2d0f3896 AM |
2749 | if (!_bfd_elf_ppc_at_tls_transform (opcode->opcode, 0)) |
2750 | as_bad (_("@tls may not be used with \"%s\" operands"), | |
2751 | opcode->name); | |
2752 | else if (operand->shift != 11) | |
2753 | as_bad (_("@tls may only be used in last operand")); | |
2754 | else | |
2755 | insn = ppc_insert_operand (insn, operand, | |
2756 | ppc_obj64 ? 13 : 2, | |
2757 | ppc_cpu, (char *) NULL, 0); | |
cdba85ec | 2758 | break; |
727fc41e AM |
2759 | |
2760 | /* We'll only use the 32 (or 64) bit form of these relocations | |
2761 | in constants. Instructions get the 16 bit form. */ | |
2762 | case BFD_RELOC_PPC_DTPREL: | |
2763 | reloc = BFD_RELOC_PPC_DTPREL16; | |
cdba85ec | 2764 | break; |
727fc41e AM |
2765 | case BFD_RELOC_PPC_TPREL: |
2766 | reloc = BFD_RELOC_PPC_TPREL16; | |
0baf16f2 AM |
2767 | break; |
2768 | } | |
727fc41e AM |
2769 | |
2770 | /* For the absolute forms of branches, convert the PC | |
2771 | relative form back into the absolute. */ | |
2772 | if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0) | |
2773 | { | |
2774 | switch (reloc) | |
2775 | { | |
2776 | case BFD_RELOC_PPC_B26: | |
2777 | reloc = BFD_RELOC_PPC_BA26; | |
2778 | break; | |
2779 | case BFD_RELOC_PPC_B16: | |
2780 | reloc = BFD_RELOC_PPC_BA16; | |
2781 | break; | |
2782 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
2783 | reloc = BFD_RELOC_PPC_BA16_BRTAKEN; | |
2784 | break; | |
2785 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
2786 | reloc = BFD_RELOC_PPC_BA16_BRNTAKEN; | |
2787 | break; | |
2788 | default: | |
2789 | break; | |
2790 | } | |
2791 | } | |
2792 | ||
01efc3af AM |
2793 | switch (reloc) |
2794 | { | |
2795 | case BFD_RELOC_PPC_TOC16: | |
2796 | toc_reloc_types |= has_small_toc_reloc; | |
2797 | break; | |
2798 | case BFD_RELOC_PPC64_TOC16_LO: | |
2799 | case BFD_RELOC_PPC64_TOC16_HI: | |
2800 | case BFD_RELOC_PPC64_TOC16_HA: | |
2801 | toc_reloc_types |= has_large_toc_reloc; | |
2802 | break; | |
2803 | default: | |
2804 | break; | |
2805 | } | |
2806 | ||
727fc41e AM |
2807 | if (ppc_obj64 |
2808 | && (operand->flags & (PPC_OPERAND_DS | PPC_OPERAND_DQ)) != 0) | |
2809 | { | |
2810 | switch (reloc) | |
2811 | { | |
2812 | case BFD_RELOC_16: | |
2813 | reloc = BFD_RELOC_PPC64_ADDR16_DS; | |
2814 | break; | |
2815 | case BFD_RELOC_LO16: | |
2816 | reloc = BFD_RELOC_PPC64_ADDR16_LO_DS; | |
2817 | break; | |
2818 | case BFD_RELOC_16_GOTOFF: | |
2819 | reloc = BFD_RELOC_PPC64_GOT16_DS; | |
2820 | break; | |
2821 | case BFD_RELOC_LO16_GOTOFF: | |
2822 | reloc = BFD_RELOC_PPC64_GOT16_LO_DS; | |
2823 | break; | |
2824 | case BFD_RELOC_LO16_PLTOFF: | |
2825 | reloc = BFD_RELOC_PPC64_PLT16_LO_DS; | |
2826 | break; | |
2827 | case BFD_RELOC_16_BASEREL: | |
2828 | reloc = BFD_RELOC_PPC64_SECTOFF_DS; | |
2829 | break; | |
2830 | case BFD_RELOC_LO16_BASEREL: | |
2831 | reloc = BFD_RELOC_PPC64_SECTOFF_LO_DS; | |
2832 | break; | |
2833 | case BFD_RELOC_PPC_TOC16: | |
2834 | reloc = BFD_RELOC_PPC64_TOC16_DS; | |
2835 | break; | |
2836 | case BFD_RELOC_PPC64_TOC16_LO: | |
2837 | reloc = BFD_RELOC_PPC64_TOC16_LO_DS; | |
2838 | break; | |
2839 | case BFD_RELOC_PPC64_PLTGOT16: | |
2840 | reloc = BFD_RELOC_PPC64_PLTGOT16_DS; | |
2841 | break; | |
2842 | case BFD_RELOC_PPC64_PLTGOT16_LO: | |
2843 | reloc = BFD_RELOC_PPC64_PLTGOT16_LO_DS; | |
2844 | break; | |
2845 | case BFD_RELOC_PPC_DTPREL16: | |
2846 | reloc = BFD_RELOC_PPC64_DTPREL16_DS; | |
2847 | break; | |
2848 | case BFD_RELOC_PPC_DTPREL16_LO: | |
2849 | reloc = BFD_RELOC_PPC64_DTPREL16_LO_DS; | |
2850 | break; | |
2851 | case BFD_RELOC_PPC_TPREL16: | |
2852 | reloc = BFD_RELOC_PPC64_TPREL16_DS; | |
2853 | break; | |
2854 | case BFD_RELOC_PPC_TPREL16_LO: | |
2855 | reloc = BFD_RELOC_PPC64_TPREL16_LO_DS; | |
2856 | break; | |
2857 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
2858 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
2859 | case BFD_RELOC_PPC_GOT_TPREL16: | |
2860 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
2861 | break; | |
2862 | default: | |
2863 | as_bad (_("unsupported relocation for DS offset field")); | |
2864 | break; | |
2865 | } | |
2866 | } | |
0baf16f2 AM |
2867 | } |
2868 | ||
252b5132 RH |
2869 | /* We need to generate a fixup for this expression. */ |
2870 | if (fc >= MAX_INSN_FIXUPS) | |
2871 | as_fatal (_("too many fixups")); | |
2872 | fixups[fc].exp = ex; | |
727fc41e | 2873 | fixups[fc].opindex = *opindex_ptr; |
252b5132 RH |
2874 | fixups[fc].reloc = reloc; |
2875 | ++fc; | |
2876 | } | |
727fc41e | 2877 | #else /* OBJ_ELF */ |
252b5132 RH |
2878 | else |
2879 | { | |
2880 | /* We need to generate a fixup for this expression. */ | |
2881 | if (fc >= MAX_INSN_FIXUPS) | |
2882 | as_fatal (_("too many fixups")); | |
2883 | fixups[fc].exp = ex; | |
2884 | fixups[fc].opindex = *opindex_ptr; | |
2885 | fixups[fc].reloc = BFD_RELOC_UNUSED; | |
2886 | ++fc; | |
2887 | } | |
727fc41e | 2888 | #endif /* OBJ_ELF */ |
252b5132 RH |
2889 | |
2890 | if (need_paren) | |
2891 | { | |
2892 | endc = ')'; | |
2893 | need_paren = 0; | |
c3d65c1c BE |
2894 | /* If expecting more operands, then we want to see "),". */ |
2895 | if (*str == endc && opindex_ptr[1] != 0) | |
2896 | { | |
2897 | do | |
2898 | ++str; | |
2899 | while (ISSPACE (*str)); | |
2900 | endc = ','; | |
2901 | } | |
252b5132 RH |
2902 | } |
2903 | else if ((operand->flags & PPC_OPERAND_PARENS) != 0) | |
2904 | { | |
2905 | endc = '('; | |
2906 | need_paren = 1; | |
2907 | } | |
2908 | else | |
2909 | endc = ','; | |
2910 | ||
2911 | /* The call to expression should have advanced str past any | |
2912 | whitespace. */ | |
2913 | if (*str != endc | |
2914 | && (endc != ',' || *str != '\0')) | |
2915 | { | |
2916 | as_bad (_("syntax error; found `%c' but expected `%c'"), *str, endc); | |
2917 | break; | |
2918 | } | |
2919 | ||
2920 | if (*str != '\0') | |
2921 | ++str; | |
2922 | } | |
2923 | ||
3882b010 | 2924 | while (ISSPACE (*str)) |
252b5132 RH |
2925 | ++str; |
2926 | ||
2927 | if (*str != '\0') | |
2928 | as_bad (_("junk at end of line: `%s'"), str); | |
2929 | ||
dc1d03fc | 2930 | #ifdef OBJ_ELF |
6a0c61b7 | 2931 | /* Do we need/want a APUinfo section? */ |
e01d869a | 2932 | if ((ppc_cpu & (PPC_OPCODE_E500 | PPC_OPCODE_E500MC)) != 0) |
6a0c61b7 EZ |
2933 | { |
2934 | /* These are all version "1". */ | |
2935 | if (opcode->flags & PPC_OPCODE_SPE) | |
b34976b6 | 2936 | ppc_apuinfo_section_add (PPC_APUINFO_SPE, 1); |
6a0c61b7 | 2937 | if (opcode->flags & PPC_OPCODE_ISEL) |
b34976b6 | 2938 | ppc_apuinfo_section_add (PPC_APUINFO_ISEL, 1); |
6a0c61b7 | 2939 | if (opcode->flags & PPC_OPCODE_EFS) |
b34976b6 | 2940 | ppc_apuinfo_section_add (PPC_APUINFO_EFS, 1); |
6a0c61b7 | 2941 | if (opcode->flags & PPC_OPCODE_BRLOCK) |
b34976b6 | 2942 | ppc_apuinfo_section_add (PPC_APUINFO_BRLOCK, 1); |
6a0c61b7 | 2943 | if (opcode->flags & PPC_OPCODE_PMR) |
b34976b6 | 2944 | ppc_apuinfo_section_add (PPC_APUINFO_PMR, 1); |
6a0c61b7 | 2945 | if (opcode->flags & PPC_OPCODE_CACHELCK) |
b34976b6 | 2946 | ppc_apuinfo_section_add (PPC_APUINFO_CACHELCK, 1); |
6a0c61b7 | 2947 | if (opcode->flags & PPC_OPCODE_RFMCI) |
b34976b6 | 2948 | ppc_apuinfo_section_add (PPC_APUINFO_RFMCI, 1); |
6a0c61b7 | 2949 | } |
dc1d03fc | 2950 | #endif |
6a0c61b7 | 2951 | |
252b5132 RH |
2952 | /* Write out the instruction. */ |
2953 | f = frag_more (4); | |
09b935ac AM |
2954 | addr_mod = frag_now_fix () & 3; |
2955 | if (frag_now->has_code && frag_now->insn_addr != addr_mod) | |
2956 | as_bad (_("instruction address is not a multiple of 4")); | |
2957 | frag_now->insn_addr = addr_mod; | |
2958 | frag_now->has_code = 1; | |
252b5132 RH |
2959 | md_number_to_chars (f, insn, 4); |
2960 | ||
5d6f4f16 GK |
2961 | #ifdef OBJ_ELF |
2962 | dwarf2_emit_insn (4); | |
2963 | #endif | |
2964 | ||
252b5132 RH |
2965 | /* Create any fixups. At this point we do not use a |
2966 | bfd_reloc_code_real_type, but instead just use the | |
2967 | BFD_RELOC_UNUSED plus the operand index. This lets us easily | |
2968 | handle fixups for any operand type, although that is admittedly | |
2969 | not a very exciting feature. We pick a BFD reloc type in | |
55cf6793 | 2970 | md_apply_fix. */ |
252b5132 RH |
2971 | for (i = 0; i < fc; i++) |
2972 | { | |
252b5132 RH |
2973 | if (fixups[i].reloc != BFD_RELOC_UNUSED) |
2974 | { | |
99a814a1 | 2975 | reloc_howto_type *reloc_howto; |
252b5132 RH |
2976 | int size; |
2977 | int offset; | |
2978 | fixS *fixP; | |
2979 | ||
99a814a1 | 2980 | reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc); |
252b5132 RH |
2981 | if (!reloc_howto) |
2982 | abort (); | |
2983 | ||
2984 | size = bfd_get_reloc_size (reloc_howto); | |
2985 | offset = target_big_endian ? (4 - size) : 0; | |
2986 | ||
2987 | if (size < 1 || size > 4) | |
bc805888 | 2988 | abort (); |
252b5132 | 2989 | |
99a814a1 AM |
2990 | fixP = fix_new_exp (frag_now, |
2991 | f - frag_now->fr_literal + offset, | |
2992 | size, | |
2993 | &fixups[i].exp, | |
2994 | reloc_howto->pc_relative, | |
252b5132 RH |
2995 | fixups[i].reloc); |
2996 | ||
2997 | /* Turn off complaints that the addend is too large for things like | |
2998 | foo+100000@ha. */ | |
2999 | switch (fixups[i].reloc) | |
3000 | { | |
3001 | case BFD_RELOC_16_GOTOFF: | |
3002 | case BFD_RELOC_PPC_TOC16: | |
3003 | case BFD_RELOC_LO16: | |
3004 | case BFD_RELOC_HI16: | |
3005 | case BFD_RELOC_HI16_S: | |
0baf16f2 | 3006 | #ifdef OBJ_ELF |
0baf16f2 AM |
3007 | case BFD_RELOC_PPC64_HIGHER: |
3008 | case BFD_RELOC_PPC64_HIGHER_S: | |
3009 | case BFD_RELOC_PPC64_HIGHEST: | |
3010 | case BFD_RELOC_PPC64_HIGHEST_S: | |
0baf16f2 | 3011 | #endif |
252b5132 RH |
3012 | fixP->fx_no_overflow = 1; |
3013 | break; | |
3014 | default: | |
3015 | break; | |
3016 | } | |
3017 | } | |
3018 | else | |
727fc41e AM |
3019 | { |
3020 | const struct powerpc_operand *operand; | |
3021 | ||
3022 | operand = &powerpc_operands[fixups[i].opindex]; | |
3023 | fix_new_exp (frag_now, | |
3024 | f - frag_now->fr_literal, | |
3025 | 4, | |
3026 | &fixups[i].exp, | |
3027 | (operand->flags & PPC_OPERAND_RELATIVE) != 0, | |
3028 | ((bfd_reloc_code_real_type) | |
3029 | (fixups[i].opindex + (int) BFD_RELOC_UNUSED))); | |
3030 | } | |
252b5132 RH |
3031 | } |
3032 | } | |
3033 | ||
3034 | /* Handle a macro. Gather all the operands, transform them as | |
3035 | described by the macro, and call md_assemble recursively. All the | |
3036 | operands are separated by commas; we don't accept parentheses | |
3037 | around operands here. */ | |
3038 | ||
3039 | static void | |
98027b10 | 3040 | ppc_macro (char *str, const struct powerpc_macro *macro) |
252b5132 RH |
3041 | { |
3042 | char *operands[10]; | |
3043 | unsigned int count; | |
3044 | char *s; | |
3045 | unsigned int len; | |
3046 | const char *format; | |
db557034 | 3047 | unsigned int arg; |
252b5132 RH |
3048 | char *send; |
3049 | char *complete; | |
3050 | ||
3051 | /* Gather the users operands into the operands array. */ | |
3052 | count = 0; | |
3053 | s = str; | |
3054 | while (1) | |
3055 | { | |
3056 | if (count >= sizeof operands / sizeof operands[0]) | |
3057 | break; | |
3058 | operands[count++] = s; | |
3059 | s = strchr (s, ','); | |
3060 | if (s == (char *) NULL) | |
3061 | break; | |
3062 | *s++ = '\0'; | |
81d4177b | 3063 | } |
252b5132 RH |
3064 | |
3065 | if (count != macro->operands) | |
3066 | { | |
3067 | as_bad (_("wrong number of operands")); | |
3068 | return; | |
3069 | } | |
3070 | ||
3071 | /* Work out how large the string must be (the size is unbounded | |
3072 | because it includes user input). */ | |
3073 | len = 0; | |
3074 | format = macro->format; | |
3075 | while (*format != '\0') | |
3076 | { | |
3077 | if (*format != '%') | |
3078 | { | |
3079 | ++len; | |
3080 | ++format; | |
3081 | } | |
3082 | else | |
3083 | { | |
3084 | arg = strtol (format + 1, &send, 10); | |
db557034 | 3085 | know (send != format && arg < count); |
252b5132 RH |
3086 | len += strlen (operands[arg]); |
3087 | format = send; | |
3088 | } | |
3089 | } | |
3090 | ||
3091 | /* Put the string together. */ | |
3092 | complete = s = (char *) alloca (len + 1); | |
3093 | format = macro->format; | |
3094 | while (*format != '\0') | |
3095 | { | |
3096 | if (*format != '%') | |
3097 | *s++ = *format++; | |
3098 | else | |
3099 | { | |
3100 | arg = strtol (format + 1, &send, 10); | |
3101 | strcpy (s, operands[arg]); | |
3102 | s += strlen (s); | |
3103 | format = send; | |
3104 | } | |
3105 | } | |
3106 | *s = '\0'; | |
3107 | ||
3108 | /* Assemble the constructed instruction. */ | |
3109 | md_assemble (complete); | |
81d4177b | 3110 | } |
252b5132 RH |
3111 | \f |
3112 | #ifdef OBJ_ELF | |
18ae9cc1 | 3113 | /* For ELF, add support for SHT_ORDERED. */ |
252b5132 RH |
3114 | |
3115 | int | |
98027b10 | 3116 | ppc_section_type (char *str, size_t len) |
252b5132 | 3117 | { |
9de8d8f1 RH |
3118 | if (len == 7 && strncmp (str, "ordered", 7) == 0) |
3119 | return SHT_ORDERED; | |
252b5132 | 3120 | |
9de8d8f1 | 3121 | return -1; |
252b5132 RH |
3122 | } |
3123 | ||
3124 | int | |
1239de13 | 3125 | ppc_section_flags (flagword flags, bfd_vma attr ATTRIBUTE_UNUSED, int type) |
252b5132 RH |
3126 | { |
3127 | if (type == SHT_ORDERED) | |
3128 | flags |= SEC_ALLOC | SEC_LOAD | SEC_SORT_ENTRIES; | |
3129 | ||
252b5132 RH |
3130 | return flags; |
3131 | } | |
3132 | #endif /* OBJ_ELF */ | |
3133 | ||
3134 | \f | |
3135 | /* Pseudo-op handling. */ | |
3136 | ||
3137 | /* The .byte pseudo-op. This is similar to the normal .byte | |
3138 | pseudo-op, but it can also take a single ASCII string. */ | |
3139 | ||
3140 | static void | |
98027b10 | 3141 | ppc_byte (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3142 | { |
3143 | if (*input_line_pointer != '\"') | |
3144 | { | |
3145 | cons (1); | |
3146 | return; | |
3147 | } | |
3148 | ||
3149 | /* Gather characters. A real double quote is doubled. Unusual | |
3150 | characters are not permitted. */ | |
3151 | ++input_line_pointer; | |
3152 | while (1) | |
3153 | { | |
3154 | char c; | |
3155 | ||
3156 | c = *input_line_pointer++; | |
3157 | ||
3158 | if (c == '\"') | |
3159 | { | |
3160 | if (*input_line_pointer != '\"') | |
3161 | break; | |
3162 | ++input_line_pointer; | |
3163 | } | |
3164 | ||
3165 | FRAG_APPEND_1_CHAR (c); | |
3166 | } | |
3167 | ||
3168 | demand_empty_rest_of_line (); | |
3169 | } | |
3170 | \f | |
3171 | #ifdef OBJ_XCOFF | |
3172 | ||
3173 | /* XCOFF specific pseudo-op handling. */ | |
3174 | ||
3175 | /* This is set if we are creating a .stabx symbol, since we don't want | |
3176 | to handle symbol suffixes for such symbols. */ | |
b34976b6 | 3177 | static bfd_boolean ppc_stab_symbol; |
252b5132 RH |
3178 | |
3179 | /* The .comm and .lcomm pseudo-ops for XCOFF. XCOFF puts common | |
3180 | symbols in the .bss segment as though they were local common | |
67c1ffbe | 3181 | symbols, and uses a different smclas. The native Aix 4.3.3 assembler |
1ad63b2f | 3182 | aligns .comm and .lcomm to 4 bytes. */ |
252b5132 RH |
3183 | |
3184 | static void | |
98027b10 | 3185 | ppc_comm (int lcomm) |
252b5132 RH |
3186 | { |
3187 | asection *current_seg = now_seg; | |
3188 | subsegT current_subseg = now_subseg; | |
3189 | char *name; | |
3190 | char endc; | |
3191 | char *end_name; | |
3192 | offsetT size; | |
3193 | offsetT align; | |
3194 | symbolS *lcomm_sym = NULL; | |
3195 | symbolS *sym; | |
3196 | char *pfrag; | |
3197 | ||
3198 | name = input_line_pointer; | |
3199 | endc = get_symbol_end (); | |
3200 | end_name = input_line_pointer; | |
3201 | *end_name = endc; | |
3202 | ||
3203 | if (*input_line_pointer != ',') | |
3204 | { | |
3205 | as_bad (_("missing size")); | |
3206 | ignore_rest_of_line (); | |
3207 | return; | |
3208 | } | |
3209 | ++input_line_pointer; | |
3210 | ||
3211 | size = get_absolute_expression (); | |
3212 | if (size < 0) | |
3213 | { | |
3214 | as_bad (_("negative size")); | |
3215 | ignore_rest_of_line (); | |
3216 | return; | |
3217 | } | |
3218 | ||
3219 | if (! lcomm) | |
3220 | { | |
3221 | /* The third argument to .comm is the alignment. */ | |
3222 | if (*input_line_pointer != ',') | |
1ad63b2f | 3223 | align = 2; |
252b5132 RH |
3224 | else |
3225 | { | |
3226 | ++input_line_pointer; | |
3227 | align = get_absolute_expression (); | |
3228 | if (align <= 0) | |
3229 | { | |
3230 | as_warn (_("ignoring bad alignment")); | |
1ad63b2f | 3231 | align = 2; |
252b5132 RH |
3232 | } |
3233 | } | |
3234 | } | |
3235 | else | |
3236 | { | |
3237 | char *lcomm_name; | |
3238 | char lcomm_endc; | |
3239 | ||
1ad63b2f | 3240 | if (size <= 4) |
252b5132 RH |
3241 | align = 2; |
3242 | else | |
3243 | align = 3; | |
3244 | ||
3245 | /* The third argument to .lcomm appears to be the real local | |
3246 | common symbol to create. References to the symbol named in | |
3247 | the first argument are turned into references to the third | |
3248 | argument. */ | |
3249 | if (*input_line_pointer != ',') | |
3250 | { | |
3251 | as_bad (_("missing real symbol name")); | |
3252 | ignore_rest_of_line (); | |
3253 | return; | |
3254 | } | |
3255 | ++input_line_pointer; | |
3256 | ||
3257 | lcomm_name = input_line_pointer; | |
3258 | lcomm_endc = get_symbol_end (); | |
81d4177b | 3259 | |
252b5132 RH |
3260 | lcomm_sym = symbol_find_or_make (lcomm_name); |
3261 | ||
3262 | *input_line_pointer = lcomm_endc; | |
3263 | } | |
3264 | ||
3265 | *end_name = '\0'; | |
3266 | sym = symbol_find_or_make (name); | |
3267 | *end_name = endc; | |
3268 | ||
3269 | if (S_IS_DEFINED (sym) | |
3270 | || S_GET_VALUE (sym) != 0) | |
3271 | { | |
3272 | as_bad (_("attempt to redefine symbol")); | |
3273 | ignore_rest_of_line (); | |
3274 | return; | |
3275 | } | |
81d4177b | 3276 | |
252b5132 | 3277 | record_alignment (bss_section, align); |
81d4177b | 3278 | |
252b5132 RH |
3279 | if (! lcomm |
3280 | || ! S_IS_DEFINED (lcomm_sym)) | |
3281 | { | |
3282 | symbolS *def_sym; | |
3283 | offsetT def_size; | |
3284 | ||
3285 | if (! lcomm) | |
3286 | { | |
3287 | def_sym = sym; | |
3288 | def_size = size; | |
3289 | S_SET_EXTERNAL (sym); | |
3290 | } | |
3291 | else | |
3292 | { | |
809ffe0d | 3293 | symbol_get_tc (lcomm_sym)->output = 1; |
252b5132 RH |
3294 | def_sym = lcomm_sym; |
3295 | def_size = 0; | |
3296 | } | |
3297 | ||
3298 | subseg_set (bss_section, 1); | |
3299 | frag_align (align, 0, 0); | |
81d4177b | 3300 | |
809ffe0d | 3301 | symbol_set_frag (def_sym, frag_now); |
252b5132 RH |
3302 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, def_sym, |
3303 | def_size, (char *) NULL); | |
3304 | *pfrag = 0; | |
3305 | S_SET_SEGMENT (def_sym, bss_section); | |
809ffe0d | 3306 | symbol_get_tc (def_sym)->align = align; |
252b5132 RH |
3307 | } |
3308 | else if (lcomm) | |
3309 | { | |
3310 | /* Align the size of lcomm_sym. */ | |
809ffe0d ILT |
3311 | symbol_get_frag (lcomm_sym)->fr_offset = |
3312 | ((symbol_get_frag (lcomm_sym)->fr_offset + (1 << align) - 1) | |
252b5132 | 3313 | &~ ((1 << align) - 1)); |
809ffe0d ILT |
3314 | if (align > symbol_get_tc (lcomm_sym)->align) |
3315 | symbol_get_tc (lcomm_sym)->align = align; | |
252b5132 RH |
3316 | } |
3317 | ||
3318 | if (lcomm) | |
3319 | { | |
3320 | /* Make sym an offset from lcomm_sym. */ | |
3321 | S_SET_SEGMENT (sym, bss_section); | |
809ffe0d ILT |
3322 | symbol_set_frag (sym, symbol_get_frag (lcomm_sym)); |
3323 | S_SET_VALUE (sym, symbol_get_frag (lcomm_sym)->fr_offset); | |
3324 | symbol_get_frag (lcomm_sym)->fr_offset += size; | |
252b5132 RH |
3325 | } |
3326 | ||
3327 | subseg_set (current_seg, current_subseg); | |
3328 | ||
3329 | demand_empty_rest_of_line (); | |
3330 | } | |
3331 | ||
3332 | /* The .csect pseudo-op. This switches us into a different | |
3333 | subsegment. The first argument is a symbol whose value is the | |
3334 | start of the .csect. In COFF, csect symbols get special aux | |
3335 | entries defined by the x_csect field of union internal_auxent. The | |
3336 | optional second argument is the alignment (the default is 2). */ | |
3337 | ||
3338 | static void | |
98027b10 | 3339 | ppc_csect (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3340 | { |
3341 | char *name; | |
3342 | char endc; | |
3343 | symbolS *sym; | |
931e13a6 | 3344 | offsetT align; |
252b5132 RH |
3345 | |
3346 | name = input_line_pointer; | |
3347 | endc = get_symbol_end (); | |
81d4177b | 3348 | |
252b5132 RH |
3349 | sym = symbol_find_or_make (name); |
3350 | ||
3351 | *input_line_pointer = endc; | |
3352 | ||
3353 | if (S_GET_NAME (sym)[0] == '\0') | |
3354 | { | |
3355 | /* An unnamed csect is assumed to be [PR]. */ | |
96d56e9f | 3356 | symbol_get_tc (sym)->symbol_class = XMC_PR; |
252b5132 RH |
3357 | } |
3358 | ||
931e13a6 | 3359 | align = 2; |
252b5132 RH |
3360 | if (*input_line_pointer == ',') |
3361 | { | |
3362 | ++input_line_pointer; | |
931e13a6 | 3363 | align = get_absolute_expression (); |
252b5132 RH |
3364 | } |
3365 | ||
931e13a6 AM |
3366 | ppc_change_csect (sym, align); |
3367 | ||
252b5132 RH |
3368 | demand_empty_rest_of_line (); |
3369 | } | |
3370 | ||
3371 | /* Change to a different csect. */ | |
3372 | ||
3373 | static void | |
98027b10 | 3374 | ppc_change_csect (symbolS *sym, offsetT align) |
252b5132 RH |
3375 | { |
3376 | if (S_IS_DEFINED (sym)) | |
809ffe0d | 3377 | subseg_set (S_GET_SEGMENT (sym), symbol_get_tc (sym)->subseg); |
252b5132 RH |
3378 | else |
3379 | { | |
3380 | symbolS **list_ptr; | |
3381 | int after_toc; | |
3382 | int hold_chunksize; | |
3383 | symbolS *list; | |
931e13a6 AM |
3384 | int is_code; |
3385 | segT sec; | |
252b5132 RH |
3386 | |
3387 | /* This is a new csect. We need to look at the symbol class to | |
3388 | figure out whether it should go in the text section or the | |
3389 | data section. */ | |
3390 | after_toc = 0; | |
931e13a6 | 3391 | is_code = 0; |
96d56e9f | 3392 | switch (symbol_get_tc (sym)->symbol_class) |
252b5132 RH |
3393 | { |
3394 | case XMC_PR: | |
3395 | case XMC_RO: | |
3396 | case XMC_DB: | |
3397 | case XMC_GL: | |
3398 | case XMC_XO: | |
3399 | case XMC_SV: | |
3400 | case XMC_TI: | |
3401 | case XMC_TB: | |
3402 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3403 | symbol_get_tc (sym)->subseg = ppc_text_subsegment; |
252b5132 RH |
3404 | ++ppc_text_subsegment; |
3405 | list_ptr = &ppc_text_csects; | |
931e13a6 | 3406 | is_code = 1; |
252b5132 RH |
3407 | break; |
3408 | case XMC_RW: | |
3409 | case XMC_TC0: | |
3410 | case XMC_TC: | |
3411 | case XMC_DS: | |
3412 | case XMC_UA: | |
3413 | case XMC_BS: | |
3414 | case XMC_UC: | |
3415 | if (ppc_toc_csect != NULL | |
809ffe0d ILT |
3416 | && (symbol_get_tc (ppc_toc_csect)->subseg + 1 |
3417 | == ppc_data_subsegment)) | |
252b5132 RH |
3418 | after_toc = 1; |
3419 | S_SET_SEGMENT (sym, data_section); | |
809ffe0d | 3420 | symbol_get_tc (sym)->subseg = ppc_data_subsegment; |
252b5132 RH |
3421 | ++ppc_data_subsegment; |
3422 | list_ptr = &ppc_data_csects; | |
3423 | break; | |
3424 | default: | |
3425 | abort (); | |
3426 | } | |
3427 | ||
3428 | /* We set the obstack chunk size to a small value before | |
99a814a1 AM |
3429 | changing subsegments, so that we don't use a lot of memory |
3430 | space for what may be a small section. */ | |
252b5132 RH |
3431 | hold_chunksize = chunksize; |
3432 | chunksize = 64; | |
3433 | ||
931e13a6 AM |
3434 | sec = subseg_new (segment_name (S_GET_SEGMENT (sym)), |
3435 | symbol_get_tc (sym)->subseg); | |
252b5132 RH |
3436 | |
3437 | chunksize = hold_chunksize; | |
3438 | ||
3439 | if (after_toc) | |
3440 | ppc_after_toc_frag = frag_now; | |
3441 | ||
931e13a6 AM |
3442 | record_alignment (sec, align); |
3443 | if (is_code) | |
3444 | frag_align_code (align, 0); | |
3445 | else | |
3446 | frag_align (align, 0, 0); | |
3447 | ||
809ffe0d | 3448 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3449 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); |
3450 | ||
931e13a6 | 3451 | symbol_get_tc (sym)->align = align; |
809ffe0d ILT |
3452 | symbol_get_tc (sym)->output = 1; |
3453 | symbol_get_tc (sym)->within = sym; | |
81d4177b | 3454 | |
252b5132 | 3455 | for (list = *list_ptr; |
809ffe0d ILT |
3456 | symbol_get_tc (list)->next != (symbolS *) NULL; |
3457 | list = symbol_get_tc (list)->next) | |
252b5132 | 3458 | ; |
809ffe0d | 3459 | symbol_get_tc (list)->next = sym; |
81d4177b | 3460 | |
252b5132 | 3461 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); |
809ffe0d ILT |
3462 | symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP, |
3463 | &symbol_lastP); | |
252b5132 RH |
3464 | } |
3465 | ||
3466 | ppc_current_csect = sym; | |
3467 | } | |
3468 | ||
3469 | /* This function handles the .text and .data pseudo-ops. These | |
3470 | pseudo-ops aren't really used by XCOFF; we implement them for the | |
3471 | convenience of people who aren't used to XCOFF. */ | |
3472 | ||
3473 | static void | |
98027b10 | 3474 | ppc_section (int type) |
252b5132 RH |
3475 | { |
3476 | const char *name; | |
3477 | symbolS *sym; | |
3478 | ||
3479 | if (type == 't') | |
3480 | name = ".text[PR]"; | |
3481 | else if (type == 'd') | |
3482 | name = ".data[RW]"; | |
3483 | else | |
3484 | abort (); | |
3485 | ||
3486 | sym = symbol_find_or_make (name); | |
3487 | ||
931e13a6 | 3488 | ppc_change_csect (sym, 2); |
252b5132 RH |
3489 | |
3490 | demand_empty_rest_of_line (); | |
3491 | } | |
3492 | ||
3493 | /* This function handles the .section pseudo-op. This is mostly to | |
3494 | give an error, since XCOFF only supports .text, .data and .bss, but | |
3495 | we do permit the user to name the text or data section. */ | |
3496 | ||
3497 | static void | |
98027b10 | 3498 | ppc_named_section (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3499 | { |
3500 | char *user_name; | |
3501 | const char *real_name; | |
3502 | char c; | |
3503 | symbolS *sym; | |
3504 | ||
3505 | user_name = input_line_pointer; | |
3506 | c = get_symbol_end (); | |
3507 | ||
3508 | if (strcmp (user_name, ".text") == 0) | |
3509 | real_name = ".text[PR]"; | |
3510 | else if (strcmp (user_name, ".data") == 0) | |
3511 | real_name = ".data[RW]"; | |
3512 | else | |
3513 | { | |
3514 | as_bad (_("The XCOFF file format does not support arbitrary sections")); | |
3515 | *input_line_pointer = c; | |
3516 | ignore_rest_of_line (); | |
3517 | return; | |
3518 | } | |
3519 | ||
3520 | *input_line_pointer = c; | |
3521 | ||
3522 | sym = symbol_find_or_make (real_name); | |
3523 | ||
931e13a6 | 3524 | ppc_change_csect (sym, 2); |
252b5132 RH |
3525 | |
3526 | demand_empty_rest_of_line (); | |
3527 | } | |
3528 | ||
3529 | /* The .extern pseudo-op. We create an undefined symbol. */ | |
3530 | ||
3531 | static void | |
98027b10 | 3532 | ppc_extern (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3533 | { |
3534 | char *name; | |
3535 | char endc; | |
3536 | ||
3537 | name = input_line_pointer; | |
3538 | endc = get_symbol_end (); | |
3539 | ||
3540 | (void) symbol_find_or_make (name); | |
3541 | ||
3542 | *input_line_pointer = endc; | |
3543 | ||
3544 | demand_empty_rest_of_line (); | |
3545 | } | |
3546 | ||
3547 | /* The .lglobl pseudo-op. Keep the symbol in the symbol table. */ | |
3548 | ||
3549 | static void | |
98027b10 | 3550 | ppc_lglobl (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3551 | { |
3552 | char *name; | |
3553 | char endc; | |
3554 | symbolS *sym; | |
3555 | ||
3556 | name = input_line_pointer; | |
3557 | endc = get_symbol_end (); | |
3558 | ||
3559 | sym = symbol_find_or_make (name); | |
3560 | ||
3561 | *input_line_pointer = endc; | |
3562 | ||
809ffe0d | 3563 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3564 | |
3565 | demand_empty_rest_of_line (); | |
3566 | } | |
3567 | ||
c865e45b RS |
3568 | /* The .ref pseudo-op. It takes a list of symbol names and inserts R_REF |
3569 | relocations at the beginning of the current csect. | |
3570 | ||
3571 | (In principle, there's no reason why the relocations _have_ to be at | |
3572 | the beginning. Anywhere in the csect would do. However, inserting | |
3573 | at the beginning is what the native assmebler does, and it helps to | |
3574 | deal with cases where the .ref statements follow the section contents.) | |
3575 | ||
3576 | ??? .refs don't work for empty .csects. However, the native assembler | |
3577 | doesn't report an error in this case, and neither yet do we. */ | |
3578 | ||
3579 | static void | |
3580 | ppc_ref (int ignore ATTRIBUTE_UNUSED) | |
3581 | { | |
3582 | char *name; | |
3583 | char c; | |
3584 | ||
3585 | if (ppc_current_csect == NULL) | |
3586 | { | |
3587 | as_bad (_(".ref outside .csect")); | |
3588 | ignore_rest_of_line (); | |
3589 | return; | |
3590 | } | |
3591 | ||
3592 | do | |
3593 | { | |
3594 | name = input_line_pointer; | |
3595 | c = get_symbol_end (); | |
3596 | ||
3597 | fix_at_start (symbol_get_frag (ppc_current_csect), 0, | |
3598 | symbol_find_or_make (name), 0, FALSE, BFD_RELOC_NONE); | |
3599 | ||
3600 | *input_line_pointer = c; | |
3601 | SKIP_WHITESPACE (); | |
3602 | c = *input_line_pointer; | |
3603 | if (c == ',') | |
3604 | { | |
3605 | input_line_pointer++; | |
3606 | SKIP_WHITESPACE (); | |
3607 | if (is_end_of_line[(unsigned char) *input_line_pointer]) | |
3608 | { | |
3609 | as_bad (_("missing symbol name")); | |
3610 | ignore_rest_of_line (); | |
3611 | return; | |
3612 | } | |
3613 | } | |
3614 | } | |
3615 | while (c == ','); | |
3616 | ||
3617 | demand_empty_rest_of_line (); | |
3618 | } | |
3619 | ||
252b5132 RH |
3620 | /* The .rename pseudo-op. The RS/6000 assembler can rename symbols, |
3621 | although I don't know why it bothers. */ | |
3622 | ||
3623 | static void | |
98027b10 | 3624 | ppc_rename (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3625 | { |
3626 | char *name; | |
3627 | char endc; | |
3628 | symbolS *sym; | |
3629 | int len; | |
3630 | ||
3631 | name = input_line_pointer; | |
3632 | endc = get_symbol_end (); | |
3633 | ||
3634 | sym = symbol_find_or_make (name); | |
3635 | ||
3636 | *input_line_pointer = endc; | |
3637 | ||
3638 | if (*input_line_pointer != ',') | |
3639 | { | |
3640 | as_bad (_("missing rename string")); | |
3641 | ignore_rest_of_line (); | |
3642 | return; | |
3643 | } | |
3644 | ++input_line_pointer; | |
3645 | ||
809ffe0d | 3646 | symbol_get_tc (sym)->real_name = demand_copy_C_string (&len); |
252b5132 RH |
3647 | |
3648 | demand_empty_rest_of_line (); | |
3649 | } | |
3650 | ||
3651 | /* The .stabx pseudo-op. This is similar to a normal .stabs | |
3652 | pseudo-op, but slightly different. A sample is | |
3653 | .stabx "main:F-1",.main,142,0 | |
3654 | The first argument is the symbol name to create. The second is the | |
3655 | value, and the third is the storage class. The fourth seems to be | |
3656 | always zero, and I am assuming it is the type. */ | |
3657 | ||
3658 | static void | |
98027b10 | 3659 | ppc_stabx (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3660 | { |
3661 | char *name; | |
3662 | int len; | |
3663 | symbolS *sym; | |
3664 | expressionS exp; | |
3665 | ||
3666 | name = demand_copy_C_string (&len); | |
3667 | ||
3668 | if (*input_line_pointer != ',') | |
3669 | { | |
3670 | as_bad (_("missing value")); | |
3671 | return; | |
3672 | } | |
3673 | ++input_line_pointer; | |
3674 | ||
b34976b6 | 3675 | ppc_stab_symbol = TRUE; |
252b5132 | 3676 | sym = symbol_make (name); |
b34976b6 | 3677 | ppc_stab_symbol = FALSE; |
252b5132 | 3678 | |
809ffe0d | 3679 | symbol_get_tc (sym)->real_name = name; |
252b5132 RH |
3680 | |
3681 | (void) expression (&exp); | |
3682 | ||
3683 | switch (exp.X_op) | |
3684 | { | |
3685 | case O_illegal: | |
3686 | case O_absent: | |
3687 | case O_big: | |
3688 | as_bad (_("illegal .stabx expression; zero assumed")); | |
3689 | exp.X_add_number = 0; | |
3690 | /* Fall through. */ | |
3691 | case O_constant: | |
3692 | S_SET_VALUE (sym, (valueT) exp.X_add_number); | |
809ffe0d | 3693 | symbol_set_frag (sym, &zero_address_frag); |
252b5132 RH |
3694 | break; |
3695 | ||
3696 | case O_symbol: | |
3697 | if (S_GET_SEGMENT (exp.X_add_symbol) == undefined_section) | |
809ffe0d | 3698 | symbol_set_value_expression (sym, &exp); |
252b5132 RH |
3699 | else |
3700 | { | |
3701 | S_SET_VALUE (sym, | |
3702 | exp.X_add_number + S_GET_VALUE (exp.X_add_symbol)); | |
809ffe0d | 3703 | symbol_set_frag (sym, symbol_get_frag (exp.X_add_symbol)); |
252b5132 RH |
3704 | } |
3705 | break; | |
3706 | ||
3707 | default: | |
3708 | /* The value is some complex expression. This will probably | |
99a814a1 AM |
3709 | fail at some later point, but this is probably the right |
3710 | thing to do here. */ | |
809ffe0d | 3711 | symbol_set_value_expression (sym, &exp); |
252b5132 RH |
3712 | break; |
3713 | } | |
3714 | ||
3715 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 3716 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3717 | |
3718 | if (*input_line_pointer != ',') | |
3719 | { | |
3720 | as_bad (_("missing class")); | |
3721 | return; | |
3722 | } | |
3723 | ++input_line_pointer; | |
3724 | ||
3725 | S_SET_STORAGE_CLASS (sym, get_absolute_expression ()); | |
3726 | ||
3727 | if (*input_line_pointer != ',') | |
3728 | { | |
3729 | as_bad (_("missing type")); | |
3730 | return; | |
3731 | } | |
3732 | ++input_line_pointer; | |
3733 | ||
3734 | S_SET_DATA_TYPE (sym, get_absolute_expression ()); | |
3735 | ||
809ffe0d | 3736 | symbol_get_tc (sym)->output = 1; |
252b5132 | 3737 | |
6877bb43 | 3738 | if (S_GET_STORAGE_CLASS (sym) == C_STSYM) { |
99a814a1 | 3739 | |
809ffe0d | 3740 | symbol_get_tc (sym)->within = ppc_current_block; |
252b5132 | 3741 | |
41ea10b1 | 3742 | /* In this case : |
99a814a1 | 3743 | |
41ea10b1 TR |
3744 | .bs name |
3745 | .stabx "z",arrays_,133,0 | |
3746 | .es | |
99a814a1 | 3747 | |
41ea10b1 | 3748 | .comm arrays_,13768,3 |
99a814a1 | 3749 | |
41ea10b1 TR |
3750 | resolve_symbol_value will copy the exp's "within" into sym's when the |
3751 | offset is 0. Since this seems to be corner case problem, | |
3752 | only do the correction for storage class C_STSYM. A better solution | |
0baf16f2 | 3753 | would be to have the tc field updated in ppc_symbol_new_hook. */ |
99a814a1 AM |
3754 | |
3755 | if (exp.X_op == O_symbol) | |
41ea10b1 TR |
3756 | { |
3757 | symbol_get_tc (exp.X_add_symbol)->within = ppc_current_block; | |
3758 | } | |
6877bb43 | 3759 | } |
99a814a1 | 3760 | |
252b5132 RH |
3761 | if (exp.X_op != O_symbol |
3762 | || ! S_IS_EXTERNAL (exp.X_add_symbol) | |
3763 | || S_GET_SEGMENT (exp.X_add_symbol) != bss_section) | |
3764 | ppc_frob_label (sym); | |
3765 | else | |
3766 | { | |
3767 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
3768 | symbol_append (sym, exp.X_add_symbol, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
3769 | if (symbol_get_tc (ppc_current_csect)->within == exp.X_add_symbol) |
3770 | symbol_get_tc (ppc_current_csect)->within = sym; | |
252b5132 RH |
3771 | } |
3772 | ||
3773 | demand_empty_rest_of_line (); | |
3774 | } | |
3775 | ||
3776 | /* The .function pseudo-op. This takes several arguments. The first | |
3777 | argument seems to be the external name of the symbol. The second | |
67c1ffbe | 3778 | argument seems to be the label for the start of the function. gcc |
252b5132 RH |
3779 | uses the same name for both. I have no idea what the third and |
3780 | fourth arguments are meant to be. The optional fifth argument is | |
3781 | an expression for the size of the function. In COFF this symbol | |
3782 | gets an aux entry like that used for a csect. */ | |
3783 | ||
3784 | static void | |
98027b10 | 3785 | ppc_function (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3786 | { |
3787 | char *name; | |
3788 | char endc; | |
3789 | char *s; | |
3790 | symbolS *ext_sym; | |
3791 | symbolS *lab_sym; | |
3792 | ||
3793 | name = input_line_pointer; | |
3794 | endc = get_symbol_end (); | |
3795 | ||
3796 | /* Ignore any [PR] suffix. */ | |
3797 | name = ppc_canonicalize_symbol_name (name); | |
3798 | s = strchr (name, '['); | |
3799 | if (s != (char *) NULL | |
3800 | && strcmp (s + 1, "PR]") == 0) | |
3801 | *s = '\0'; | |
3802 | ||
3803 | ext_sym = symbol_find_or_make (name); | |
3804 | ||
3805 | *input_line_pointer = endc; | |
3806 | ||
3807 | if (*input_line_pointer != ',') | |
3808 | { | |
3809 | as_bad (_("missing symbol name")); | |
3810 | ignore_rest_of_line (); | |
3811 | return; | |
3812 | } | |
3813 | ++input_line_pointer; | |
3814 | ||
3815 | name = input_line_pointer; | |
3816 | endc = get_symbol_end (); | |
3817 | ||
3818 | lab_sym = symbol_find_or_make (name); | |
3819 | ||
3820 | *input_line_pointer = endc; | |
3821 | ||
3822 | if (ext_sym != lab_sym) | |
3823 | { | |
809ffe0d ILT |
3824 | expressionS exp; |
3825 | ||
3826 | exp.X_op = O_symbol; | |
3827 | exp.X_add_symbol = lab_sym; | |
3828 | exp.X_op_symbol = NULL; | |
3829 | exp.X_add_number = 0; | |
3830 | exp.X_unsigned = 0; | |
3831 | symbol_set_value_expression (ext_sym, &exp); | |
252b5132 RH |
3832 | } |
3833 | ||
96d56e9f NC |
3834 | if (symbol_get_tc (ext_sym)->symbol_class == -1) |
3835 | symbol_get_tc (ext_sym)->symbol_class = XMC_PR; | |
809ffe0d | 3836 | symbol_get_tc (ext_sym)->output = 1; |
252b5132 RH |
3837 | |
3838 | if (*input_line_pointer == ',') | |
3839 | { | |
91d6fa6a | 3840 | expressionS exp; |
252b5132 RH |
3841 | |
3842 | /* Ignore the third argument. */ | |
3843 | ++input_line_pointer; | |
91d6fa6a | 3844 | expression (& exp); |
252b5132 RH |
3845 | if (*input_line_pointer == ',') |
3846 | { | |
3847 | /* Ignore the fourth argument. */ | |
3848 | ++input_line_pointer; | |
91d6fa6a | 3849 | expression (& exp); |
252b5132 RH |
3850 | if (*input_line_pointer == ',') |
3851 | { | |
3852 | /* The fifth argument is the function size. */ | |
3853 | ++input_line_pointer; | |
809ffe0d ILT |
3854 | symbol_get_tc (ext_sym)->size = symbol_new ("L0\001", |
3855 | absolute_section, | |
3856 | (valueT) 0, | |
3857 | &zero_address_frag); | |
3858 | pseudo_set (symbol_get_tc (ext_sym)->size); | |
252b5132 RH |
3859 | } |
3860 | } | |
3861 | } | |
3862 | ||
3863 | S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT); | |
3864 | SF_SET_FUNCTION (ext_sym); | |
3865 | SF_SET_PROCESS (ext_sym); | |
3866 | coff_add_linesym (ext_sym); | |
3867 | ||
3868 | demand_empty_rest_of_line (); | |
3869 | } | |
3870 | ||
3871 | /* The .bf pseudo-op. This is just like a COFF C_FCN symbol named | |
8642cce8 TR |
3872 | ".bf". If the pseudo op .bi was seen before .bf, patch the .bi sym |
3873 | with the correct line number */ | |
5d6255fe | 3874 | |
8642cce8 | 3875 | static symbolS *saved_bi_sym = 0; |
252b5132 RH |
3876 | |
3877 | static void | |
98027b10 | 3878 | ppc_bf (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3879 | { |
3880 | symbolS *sym; | |
3881 | ||
3882 | sym = symbol_make (".bf"); | |
3883 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3884 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3885 | S_SET_VALUE (sym, frag_now_fix ()); |
3886 | S_SET_STORAGE_CLASS (sym, C_FCN); | |
3887 | ||
3888 | coff_line_base = get_absolute_expression (); | |
3889 | ||
3890 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3891 | SA_SET_SYM_LNNO (sym, coff_line_base); | |
3892 | ||
8642cce8 | 3893 | /* Line number for bi. */ |
5d6255fe | 3894 | if (saved_bi_sym) |
8642cce8 TR |
3895 | { |
3896 | S_SET_VALUE (saved_bi_sym, coff_n_line_nos); | |
3897 | saved_bi_sym = 0; | |
3898 | } | |
5d6255fe | 3899 | |
8642cce8 | 3900 | |
809ffe0d | 3901 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3902 | |
3903 | ppc_frob_label (sym); | |
3904 | ||
3905 | demand_empty_rest_of_line (); | |
3906 | } | |
3907 | ||
3908 | /* The .ef pseudo-op. This is just like a COFF C_FCN symbol named | |
3909 | ".ef", except that the line number is absolute, not relative to the | |
3910 | most recent ".bf" symbol. */ | |
3911 | ||
3912 | static void | |
98027b10 | 3913 | ppc_ef (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3914 | { |
3915 | symbolS *sym; | |
3916 | ||
3917 | sym = symbol_make (".ef"); | |
3918 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 3919 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
3920 | S_SET_VALUE (sym, frag_now_fix ()); |
3921 | S_SET_STORAGE_CLASS (sym, C_FCN); | |
3922 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
3923 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
809ffe0d | 3924 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
3925 | |
3926 | ppc_frob_label (sym); | |
3927 | ||
3928 | demand_empty_rest_of_line (); | |
3929 | } | |
3930 | ||
3931 | /* The .bi and .ei pseudo-ops. These take a string argument and | |
3932 | generates a C_BINCL or C_EINCL symbol, which goes at the start of | |
8642cce8 TR |
3933 | the symbol list. The value of .bi will be know when the next .bf |
3934 | is encountered. */ | |
252b5132 RH |
3935 | |
3936 | static void | |
98027b10 | 3937 | ppc_biei (int ei) |
252b5132 RH |
3938 | { |
3939 | static symbolS *last_biei; | |
3940 | ||
3941 | char *name; | |
3942 | int len; | |
3943 | symbolS *sym; | |
3944 | symbolS *look; | |
3945 | ||
3946 | name = demand_copy_C_string (&len); | |
3947 | ||
3948 | /* The value of these symbols is actually file offset. Here we set | |
3949 | the value to the index into the line number entries. In | |
3950 | ppc_frob_symbols we set the fix_line field, which will cause BFD | |
3951 | to do the right thing. */ | |
3952 | ||
3953 | sym = symbol_make (name); | |
3954 | /* obj-coff.c currently only handles line numbers correctly in the | |
3955 | .text section. */ | |
3956 | S_SET_SEGMENT (sym, text_section); | |
3957 | S_SET_VALUE (sym, coff_n_line_nos); | |
809ffe0d | 3958 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
3959 | |
3960 | S_SET_STORAGE_CLASS (sym, ei ? C_EINCL : C_BINCL); | |
809ffe0d | 3961 | symbol_get_tc (sym)->output = 1; |
81d4177b | 3962 | |
8642cce8 | 3963 | /* Save bi. */ |
5d6255fe | 3964 | if (ei) |
8642cce8 TR |
3965 | saved_bi_sym = 0; |
3966 | else | |
3967 | saved_bi_sym = sym; | |
3968 | ||
252b5132 RH |
3969 | for (look = last_biei ? last_biei : symbol_rootP; |
3970 | (look != (symbolS *) NULL | |
3971 | && (S_GET_STORAGE_CLASS (look) == C_FILE | |
3972 | || S_GET_STORAGE_CLASS (look) == C_BINCL | |
3973 | || S_GET_STORAGE_CLASS (look) == C_EINCL)); | |
3974 | look = symbol_next (look)) | |
3975 | ; | |
3976 | if (look != (symbolS *) NULL) | |
3977 | { | |
3978 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
3979 | symbol_insert (sym, look, &symbol_rootP, &symbol_lastP); | |
3980 | last_biei = sym; | |
3981 | } | |
3982 | ||
3983 | demand_empty_rest_of_line (); | |
3984 | } | |
3985 | ||
3986 | /* The .bs pseudo-op. This generates a C_BSTAT symbol named ".bs". | |
3987 | There is one argument, which is a csect symbol. The value of the | |
3988 | .bs symbol is the index of this csect symbol. */ | |
3989 | ||
3990 | static void | |
98027b10 | 3991 | ppc_bs (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3992 | { |
3993 | char *name; | |
3994 | char endc; | |
3995 | symbolS *csect; | |
3996 | symbolS *sym; | |
3997 | ||
3998 | if (ppc_current_block != NULL) | |
3999 | as_bad (_("nested .bs blocks")); | |
4000 | ||
4001 | name = input_line_pointer; | |
4002 | endc = get_symbol_end (); | |
4003 | ||
4004 | csect = symbol_find_or_make (name); | |
4005 | ||
4006 | *input_line_pointer = endc; | |
4007 | ||
4008 | sym = symbol_make (".bs"); | |
4009 | S_SET_SEGMENT (sym, now_seg); | |
4010 | S_SET_STORAGE_CLASS (sym, C_BSTAT); | |
809ffe0d ILT |
4011 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
4012 | symbol_get_tc (sym)->output = 1; | |
252b5132 | 4013 | |
809ffe0d | 4014 | symbol_get_tc (sym)->within = csect; |
252b5132 RH |
4015 | |
4016 | ppc_frob_label (sym); | |
4017 | ||
4018 | ppc_current_block = sym; | |
4019 | ||
4020 | demand_empty_rest_of_line (); | |
4021 | } | |
4022 | ||
4023 | /* The .es pseudo-op. Generate a C_ESTART symbol named .es. */ | |
4024 | ||
4025 | static void | |
98027b10 | 4026 | ppc_es (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4027 | { |
4028 | symbolS *sym; | |
4029 | ||
4030 | if (ppc_current_block == NULL) | |
4031 | as_bad (_(".es without preceding .bs")); | |
4032 | ||
4033 | sym = symbol_make (".es"); | |
4034 | S_SET_SEGMENT (sym, now_seg); | |
4035 | S_SET_STORAGE_CLASS (sym, C_ESTAT); | |
809ffe0d ILT |
4036 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
4037 | symbol_get_tc (sym)->output = 1; | |
252b5132 RH |
4038 | |
4039 | ppc_frob_label (sym); | |
4040 | ||
4041 | ppc_current_block = NULL; | |
4042 | ||
4043 | demand_empty_rest_of_line (); | |
4044 | } | |
4045 | ||
4046 | /* The .bb pseudo-op. Generate a C_BLOCK symbol named .bb, with a | |
4047 | line number. */ | |
4048 | ||
4049 | static void | |
98027b10 | 4050 | ppc_bb (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4051 | { |
4052 | symbolS *sym; | |
4053 | ||
4054 | sym = symbol_make (".bb"); | |
4055 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 4056 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
4057 | S_SET_VALUE (sym, frag_now_fix ()); |
4058 | S_SET_STORAGE_CLASS (sym, C_BLOCK); | |
4059 | ||
4060 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
4061 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
4062 | ||
809ffe0d | 4063 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
4064 | |
4065 | SF_SET_PROCESS (sym); | |
4066 | ||
4067 | ppc_frob_label (sym); | |
4068 | ||
4069 | demand_empty_rest_of_line (); | |
4070 | } | |
4071 | ||
4072 | /* The .eb pseudo-op. Generate a C_BLOCK symbol named .eb, with a | |
4073 | line number. */ | |
4074 | ||
4075 | static void | |
98027b10 | 4076 | ppc_eb (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4077 | { |
4078 | symbolS *sym; | |
4079 | ||
4080 | sym = symbol_make (".eb"); | |
4081 | S_SET_SEGMENT (sym, text_section); | |
809ffe0d | 4082 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
4083 | S_SET_VALUE (sym, frag_now_fix ()); |
4084 | S_SET_STORAGE_CLASS (sym, C_BLOCK); | |
4085 | S_SET_NUMBER_AUXILIARY (sym, 1); | |
4086 | SA_SET_SYM_LNNO (sym, get_absolute_expression ()); | |
809ffe0d | 4087 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
4088 | |
4089 | SF_SET_PROCESS (sym); | |
4090 | ||
4091 | ppc_frob_label (sym); | |
4092 | ||
4093 | demand_empty_rest_of_line (); | |
4094 | } | |
4095 | ||
4096 | /* The .bc pseudo-op. This just creates a C_BCOMM symbol with a | |
4097 | specified name. */ | |
4098 | ||
4099 | static void | |
98027b10 | 4100 | ppc_bc (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4101 | { |
4102 | char *name; | |
4103 | int len; | |
4104 | symbolS *sym; | |
4105 | ||
4106 | name = demand_copy_C_string (&len); | |
4107 | sym = symbol_make (name); | |
4108 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 4109 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
4110 | S_SET_STORAGE_CLASS (sym, C_BCOMM); |
4111 | S_SET_VALUE (sym, 0); | |
809ffe0d | 4112 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
4113 | |
4114 | ppc_frob_label (sym); | |
4115 | ||
4116 | demand_empty_rest_of_line (); | |
4117 | } | |
4118 | ||
4119 | /* The .ec pseudo-op. This just creates a C_ECOMM symbol. */ | |
4120 | ||
4121 | static void | |
98027b10 | 4122 | ppc_ec (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4123 | { |
4124 | symbolS *sym; | |
4125 | ||
4126 | sym = symbol_make (".ec"); | |
4127 | S_SET_SEGMENT (sym, ppc_coff_debug_section); | |
809ffe0d | 4128 | symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING; |
252b5132 RH |
4129 | S_SET_STORAGE_CLASS (sym, C_ECOMM); |
4130 | S_SET_VALUE (sym, 0); | |
809ffe0d | 4131 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
4132 | |
4133 | ppc_frob_label (sym); | |
4134 | ||
4135 | demand_empty_rest_of_line (); | |
4136 | } | |
4137 | ||
4138 | /* The .toc pseudo-op. Switch to the .toc subsegment. */ | |
4139 | ||
4140 | static void | |
98027b10 | 4141 | ppc_toc (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4142 | { |
4143 | if (ppc_toc_csect != (symbolS *) NULL) | |
809ffe0d | 4144 | subseg_set (data_section, symbol_get_tc (ppc_toc_csect)->subseg); |
252b5132 RH |
4145 | else |
4146 | { | |
4147 | subsegT subseg; | |
4148 | symbolS *sym; | |
4149 | symbolS *list; | |
81d4177b | 4150 | |
252b5132 RH |
4151 | subseg = ppc_data_subsegment; |
4152 | ++ppc_data_subsegment; | |
4153 | ||
4154 | subseg_new (segment_name (data_section), subseg); | |
4155 | ppc_toc_frag = frag_now; | |
4156 | ||
4157 | sym = symbol_find_or_make ("TOC[TC0]"); | |
809ffe0d | 4158 | symbol_set_frag (sym, frag_now); |
252b5132 RH |
4159 | S_SET_SEGMENT (sym, data_section); |
4160 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); | |
809ffe0d ILT |
4161 | symbol_get_tc (sym)->subseg = subseg; |
4162 | symbol_get_tc (sym)->output = 1; | |
4163 | symbol_get_tc (sym)->within = sym; | |
252b5132 RH |
4164 | |
4165 | ppc_toc_csect = sym; | |
81d4177b | 4166 | |
252b5132 | 4167 | for (list = ppc_data_csects; |
809ffe0d ILT |
4168 | symbol_get_tc (list)->next != (symbolS *) NULL; |
4169 | list = symbol_get_tc (list)->next) | |
252b5132 | 4170 | ; |
809ffe0d | 4171 | symbol_get_tc (list)->next = sym; |
252b5132 RH |
4172 | |
4173 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
4174 | symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP, |
4175 | &symbol_lastP); | |
252b5132 RH |
4176 | } |
4177 | ||
4178 | ppc_current_csect = ppc_toc_csect; | |
4179 | ||
4180 | demand_empty_rest_of_line (); | |
4181 | } | |
4182 | ||
4183 | /* The AIX assembler automatically aligns the operands of a .long or | |
4184 | .short pseudo-op, and we want to be compatible. */ | |
4185 | ||
4186 | static void | |
98027b10 | 4187 | ppc_xcoff_cons (int log_size) |
252b5132 RH |
4188 | { |
4189 | frag_align (log_size, 0, 0); | |
4190 | record_alignment (now_seg, log_size); | |
4191 | cons (1 << log_size); | |
4192 | } | |
4193 | ||
4194 | static void | |
98027b10 | 4195 | ppc_vbyte (int dummy ATTRIBUTE_UNUSED) |
252b5132 RH |
4196 | { |
4197 | expressionS exp; | |
4198 | int byte_count; | |
4199 | ||
4200 | (void) expression (&exp); | |
4201 | ||
4202 | if (exp.X_op != O_constant) | |
4203 | { | |
4204 | as_bad (_("non-constant byte count")); | |
4205 | return; | |
4206 | } | |
4207 | ||
4208 | byte_count = exp.X_add_number; | |
4209 | ||
4210 | if (*input_line_pointer != ',') | |
4211 | { | |
4212 | as_bad (_("missing value")); | |
4213 | return; | |
4214 | } | |
4215 | ||
4216 | ++input_line_pointer; | |
4217 | cons (byte_count); | |
4218 | } | |
4219 | ||
4220 | #endif /* OBJ_XCOFF */ | |
0baf16f2 | 4221 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
252b5132 RH |
4222 | \f |
4223 | /* The .tc pseudo-op. This is used when generating either XCOFF or | |
4224 | ELF. This takes two or more arguments. | |
4225 | ||
4226 | When generating XCOFF output, the first argument is the name to | |
4227 | give to this location in the toc; this will be a symbol with class | |
0baf16f2 | 4228 | TC. The rest of the arguments are N-byte values to actually put at |
252b5132 | 4229 | this location in the TOC; often there is just one more argument, a |
1049f94e | 4230 | relocatable symbol reference. The size of the value to store |
0baf16f2 AM |
4231 | depends on target word size. A 32-bit target uses 4-byte values, a |
4232 | 64-bit target uses 8-byte values. | |
252b5132 RH |
4233 | |
4234 | When not generating XCOFF output, the arguments are the same, but | |
4235 | the first argument is simply ignored. */ | |
4236 | ||
4237 | static void | |
98027b10 | 4238 | ppc_tc (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4239 | { |
4240 | #ifdef OBJ_XCOFF | |
4241 | ||
4242 | /* Define the TOC symbol name. */ | |
4243 | { | |
4244 | char *name; | |
4245 | char endc; | |
4246 | symbolS *sym; | |
4247 | ||
4248 | if (ppc_toc_csect == (symbolS *) NULL | |
4249 | || ppc_toc_csect != ppc_current_csect) | |
4250 | { | |
4251 | as_bad (_(".tc not in .toc section")); | |
4252 | ignore_rest_of_line (); | |
4253 | return; | |
4254 | } | |
4255 | ||
4256 | name = input_line_pointer; | |
4257 | endc = get_symbol_end (); | |
4258 | ||
4259 | sym = symbol_find_or_make (name); | |
4260 | ||
4261 | *input_line_pointer = endc; | |
4262 | ||
4263 | if (S_IS_DEFINED (sym)) | |
4264 | { | |
4265 | symbolS *label; | |
4266 | ||
809ffe0d | 4267 | label = symbol_get_tc (ppc_current_csect)->within; |
96d56e9f | 4268 | if (symbol_get_tc (label)->symbol_class != XMC_TC0) |
252b5132 RH |
4269 | { |
4270 | as_bad (_(".tc with no label")); | |
4271 | ignore_rest_of_line (); | |
4272 | return; | |
4273 | } | |
4274 | ||
4275 | S_SET_SEGMENT (label, S_GET_SEGMENT (sym)); | |
809ffe0d | 4276 | symbol_set_frag (label, symbol_get_frag (sym)); |
252b5132 RH |
4277 | S_SET_VALUE (label, S_GET_VALUE (sym)); |
4278 | ||
4279 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
4280 | ++input_line_pointer; | |
4281 | ||
4282 | return; | |
4283 | } | |
4284 | ||
4285 | S_SET_SEGMENT (sym, now_seg); | |
809ffe0d | 4286 | symbol_set_frag (sym, frag_now); |
252b5132 | 4287 | S_SET_VALUE (sym, (valueT) frag_now_fix ()); |
96d56e9f | 4288 | symbol_get_tc (sym)->symbol_class = XMC_TC; |
809ffe0d | 4289 | symbol_get_tc (sym)->output = 1; |
252b5132 RH |
4290 | |
4291 | ppc_frob_label (sym); | |
4292 | } | |
4293 | ||
0baf16f2 AM |
4294 | #endif /* OBJ_XCOFF */ |
4295 | #ifdef OBJ_ELF | |
9c7977b3 | 4296 | int align; |
252b5132 RH |
4297 | |
4298 | /* Skip the TOC symbol name. */ | |
4299 | while (is_part_of_name (*input_line_pointer) | |
d13d4015 | 4300 | || *input_line_pointer == ' ' |
252b5132 RH |
4301 | || *input_line_pointer == '[' |
4302 | || *input_line_pointer == ']' | |
4303 | || *input_line_pointer == '{' | |
4304 | || *input_line_pointer == '}') | |
4305 | ++input_line_pointer; | |
4306 | ||
0baf16f2 | 4307 | /* Align to a four/eight byte boundary. */ |
2b3c4602 | 4308 | align = ppc_obj64 ? 3 : 2; |
9c7977b3 AM |
4309 | frag_align (align, 0, 0); |
4310 | record_alignment (now_seg, align); | |
0baf16f2 | 4311 | #endif /* OBJ_ELF */ |
252b5132 RH |
4312 | |
4313 | if (*input_line_pointer != ',') | |
4314 | demand_empty_rest_of_line (); | |
4315 | else | |
4316 | { | |
4317 | ++input_line_pointer; | |
2b3c4602 | 4318 | cons (ppc_obj64 ? 8 : 4); |
252b5132 RH |
4319 | } |
4320 | } | |
0baf16f2 AM |
4321 | |
4322 | /* Pseudo-op .machine. */ | |
0baf16f2 AM |
4323 | |
4324 | static void | |
98027b10 | 4325 | ppc_machine (int ignore ATTRIBUTE_UNUSED) |
0baf16f2 | 4326 | { |
69c040df AM |
4327 | char *cpu_string; |
4328 | #define MAX_HISTORY 100 | |
fa452fa6 | 4329 | static ppc_cpu_t *cpu_history; |
69c040df AM |
4330 | static int curr_hist; |
4331 | ||
4332 | SKIP_WHITESPACE (); | |
4333 | ||
4334 | if (*input_line_pointer == '"') | |
4335 | { | |
4336 | int len; | |
4337 | cpu_string = demand_copy_C_string (&len); | |
4338 | } | |
4339 | else | |
4340 | { | |
4341 | char c; | |
4342 | cpu_string = input_line_pointer; | |
4343 | c = get_symbol_end (); | |
4344 | cpu_string = xstrdup (cpu_string); | |
4345 | *input_line_pointer = c; | |
4346 | } | |
4347 | ||
4348 | if (cpu_string != NULL) | |
4349 | { | |
fa452fa6 | 4350 | ppc_cpu_t old_cpu = ppc_cpu; |
69fe9ce5 | 4351 | ppc_cpu_t new_cpu; |
69c040df AM |
4352 | char *p; |
4353 | ||
4354 | for (p = cpu_string; *p != 0; p++) | |
4355 | *p = TOLOWER (*p); | |
4356 | ||
4357 | if (strcmp (cpu_string, "push") == 0) | |
4358 | { | |
4359 | if (cpu_history == NULL) | |
4360 | cpu_history = xmalloc (MAX_HISTORY * sizeof (*cpu_history)); | |
4361 | ||
4362 | if (curr_hist >= MAX_HISTORY) | |
4363 | as_bad (_(".machine stack overflow")); | |
4364 | else | |
4365 | cpu_history[curr_hist++] = ppc_cpu; | |
4366 | } | |
4367 | else if (strcmp (cpu_string, "pop") == 0) | |
4368 | { | |
4369 | if (curr_hist <= 0) | |
4370 | as_bad (_(".machine stack underflow")); | |
4371 | else | |
4372 | ppc_cpu = cpu_history[--curr_hist]; | |
4373 | } | |
69fe9ce5 AM |
4374 | else if ((new_cpu = ppc_parse_cpu (ppc_cpu, cpu_string)) != 0) |
4375 | ppc_cpu = new_cpu; | |
69c040df AM |
4376 | else |
4377 | as_bad (_("invalid machine `%s'"), cpu_string); | |
4378 | ||
4379 | if (ppc_cpu != old_cpu) | |
4380 | ppc_setup_opcodes (); | |
4381 | } | |
4382 | ||
4383 | demand_empty_rest_of_line (); | |
0baf16f2 AM |
4384 | } |
4385 | ||
4386 | /* See whether a symbol is in the TOC section. */ | |
4387 | ||
4388 | static int | |
98027b10 | 4389 | ppc_is_toc_sym (symbolS *sym) |
0baf16f2 AM |
4390 | { |
4391 | #ifdef OBJ_XCOFF | |
96d56e9f | 4392 | return symbol_get_tc (sym)->symbol_class == XMC_TC; |
0baf16f2 AM |
4393 | #endif |
4394 | #ifdef OBJ_ELF | |
4395 | const char *sname = segment_name (S_GET_SEGMENT (sym)); | |
2b3c4602 | 4396 | if (ppc_obj64) |
0baf16f2 AM |
4397 | return strcmp (sname, ".toc") == 0; |
4398 | else | |
4399 | return strcmp (sname, ".got") == 0; | |
4400 | #endif | |
4401 | } | |
4402 | #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */ | |
252b5132 RH |
4403 | \f |
4404 | #ifdef TE_PE | |
4405 | ||
99a814a1 | 4406 | /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */ |
252b5132 RH |
4407 | |
4408 | /* Set the current section. */ | |
4409 | static void | |
98027b10 | 4410 | ppc_set_current_section (segT new) |
252b5132 RH |
4411 | { |
4412 | ppc_previous_section = ppc_current_section; | |
4413 | ppc_current_section = new; | |
4414 | } | |
4415 | ||
4416 | /* pseudo-op: .previous | |
4417 | behaviour: toggles the current section with the previous section. | |
4418 | errors: None | |
99a814a1 AM |
4419 | warnings: "No previous section" */ |
4420 | ||
252b5132 | 4421 | static void |
98027b10 | 4422 | ppc_previous (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4423 | { |
4424 | symbolS *tmp; | |
4425 | ||
81d4177b | 4426 | if (ppc_previous_section == NULL) |
252b5132 | 4427 | { |
99a814a1 | 4428 | as_warn (_("No previous section to return to. Directive ignored.")); |
252b5132 RH |
4429 | return; |
4430 | } | |
4431 | ||
99a814a1 | 4432 | subseg_set (ppc_previous_section, 0); |
252b5132 | 4433 | |
99a814a1 | 4434 | ppc_set_current_section (ppc_previous_section); |
252b5132 RH |
4435 | } |
4436 | ||
4437 | /* pseudo-op: .pdata | |
4438 | behaviour: predefined read only data section | |
b34976b6 | 4439 | double word aligned |
252b5132 RH |
4440 | errors: None |
4441 | warnings: None | |
4442 | initial: .section .pdata "adr3" | |
b34976b6 | 4443 | a - don't know -- maybe a misprint |
252b5132 RH |
4444 | d - initialized data |
4445 | r - readable | |
4446 | 3 - double word aligned (that would be 4 byte boundary) | |
4447 | ||
4448 | commentary: | |
4449 | Tag index tables (also known as the function table) for exception | |
99a814a1 | 4450 | handling, debugging, etc. */ |
252b5132 | 4451 | |
252b5132 | 4452 | static void |
98027b10 | 4453 | ppc_pdata (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 4454 | { |
81d4177b | 4455 | if (pdata_section == 0) |
252b5132 RH |
4456 | { |
4457 | pdata_section = subseg_new (".pdata", 0); | |
81d4177b | 4458 | |
252b5132 RH |
4459 | bfd_set_section_flags (stdoutput, pdata_section, |
4460 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
4461 | | SEC_READONLY | SEC_DATA )); | |
81d4177b | 4462 | |
252b5132 RH |
4463 | bfd_set_section_alignment (stdoutput, pdata_section, 2); |
4464 | } | |
4465 | else | |
4466 | { | |
99a814a1 | 4467 | pdata_section = subseg_new (".pdata", 0); |
252b5132 | 4468 | } |
99a814a1 | 4469 | ppc_set_current_section (pdata_section); |
252b5132 RH |
4470 | } |
4471 | ||
4472 | /* pseudo-op: .ydata | |
4473 | behaviour: predefined read only data section | |
b34976b6 | 4474 | double word aligned |
252b5132 RH |
4475 | errors: None |
4476 | warnings: None | |
4477 | initial: .section .ydata "drw3" | |
b34976b6 | 4478 | a - don't know -- maybe a misprint |
252b5132 RH |
4479 | d - initialized data |
4480 | r - readable | |
4481 | 3 - double word aligned (that would be 4 byte boundary) | |
4482 | commentary: | |
4483 | Tag tables (also known as the scope table) for exception handling, | |
99a814a1 AM |
4484 | debugging, etc. */ |
4485 | ||
252b5132 | 4486 | static void |
98027b10 | 4487 | ppc_ydata (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 4488 | { |
81d4177b | 4489 | if (ydata_section == 0) |
252b5132 RH |
4490 | { |
4491 | ydata_section = subseg_new (".ydata", 0); | |
4492 | bfd_set_section_flags (stdoutput, ydata_section, | |
99a814a1 AM |
4493 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
4494 | | SEC_READONLY | SEC_DATA )); | |
252b5132 RH |
4495 | |
4496 | bfd_set_section_alignment (stdoutput, ydata_section, 3); | |
4497 | } | |
4498 | else | |
4499 | { | |
4500 | ydata_section = subseg_new (".ydata", 0); | |
4501 | } | |
99a814a1 | 4502 | ppc_set_current_section (ydata_section); |
252b5132 RH |
4503 | } |
4504 | ||
4505 | /* pseudo-op: .reldata | |
4506 | behaviour: predefined read write data section | |
b34976b6 | 4507 | double word aligned (4-byte) |
252b5132 RH |
4508 | FIXME: relocation is applied to it |
4509 | FIXME: what's the difference between this and .data? | |
4510 | errors: None | |
4511 | warnings: None | |
4512 | initial: .section .reldata "drw3" | |
4513 | d - initialized data | |
4514 | r - readable | |
4515 | w - writeable | |
4516 | 3 - double word aligned (that would be 8 byte boundary) | |
4517 | ||
4518 | commentary: | |
4519 | Like .data, but intended to hold data subject to relocation, such as | |
99a814a1 AM |
4520 | function descriptors, etc. */ |
4521 | ||
252b5132 | 4522 | static void |
98027b10 | 4523 | ppc_reldata (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4524 | { |
4525 | if (reldata_section == 0) | |
4526 | { | |
4527 | reldata_section = subseg_new (".reldata", 0); | |
4528 | ||
4529 | bfd_set_section_flags (stdoutput, reldata_section, | |
99a814a1 AM |
4530 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
4531 | | SEC_DATA)); | |
252b5132 RH |
4532 | |
4533 | bfd_set_section_alignment (stdoutput, reldata_section, 2); | |
4534 | } | |
4535 | else | |
4536 | { | |
4537 | reldata_section = subseg_new (".reldata", 0); | |
4538 | } | |
99a814a1 | 4539 | ppc_set_current_section (reldata_section); |
252b5132 RH |
4540 | } |
4541 | ||
4542 | /* pseudo-op: .rdata | |
4543 | behaviour: predefined read only data section | |
b34976b6 | 4544 | double word aligned |
252b5132 RH |
4545 | errors: None |
4546 | warnings: None | |
4547 | initial: .section .rdata "dr3" | |
4548 | d - initialized data | |
4549 | r - readable | |
99a814a1 AM |
4550 | 3 - double word aligned (that would be 4 byte boundary) */ |
4551 | ||
252b5132 | 4552 | static void |
98027b10 | 4553 | ppc_rdata (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4554 | { |
4555 | if (rdata_section == 0) | |
4556 | { | |
4557 | rdata_section = subseg_new (".rdata", 0); | |
4558 | bfd_set_section_flags (stdoutput, rdata_section, | |
4559 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
4560 | | SEC_READONLY | SEC_DATA )); | |
4561 | ||
4562 | bfd_set_section_alignment (stdoutput, rdata_section, 2); | |
4563 | } | |
4564 | else | |
4565 | { | |
4566 | rdata_section = subseg_new (".rdata", 0); | |
4567 | } | |
99a814a1 | 4568 | ppc_set_current_section (rdata_section); |
252b5132 RH |
4569 | } |
4570 | ||
4571 | /* pseudo-op: .ualong | |
81d4177b | 4572 | behaviour: much like .int, with the exception that no alignment is |
b34976b6 | 4573 | performed. |
252b5132 RH |
4574 | FIXME: test the alignment statement |
4575 | errors: None | |
99a814a1 AM |
4576 | warnings: None */ |
4577 | ||
252b5132 | 4578 | static void |
98027b10 | 4579 | ppc_ualong (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 4580 | { |
99a814a1 AM |
4581 | /* Try for long. */ |
4582 | cons (4); | |
252b5132 RH |
4583 | } |
4584 | ||
4585 | /* pseudo-op: .znop <symbol name> | |
4586 | behaviour: Issue a nop instruction | |
b34976b6 | 4587 | Issue a IMAGE_REL_PPC_IFGLUE relocation against it, using |
252b5132 RH |
4588 | the supplied symbol name. |
4589 | errors: None | |
99a814a1 AM |
4590 | warnings: Missing symbol name */ |
4591 | ||
252b5132 | 4592 | static void |
98027b10 | 4593 | ppc_znop (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4594 | { |
4595 | unsigned long insn; | |
4596 | const struct powerpc_opcode *opcode; | |
4597 | expressionS ex; | |
4598 | char *f; | |
252b5132 | 4599 | symbolS *sym; |
252b5132 RH |
4600 | char *symbol_name; |
4601 | char c; | |
4602 | char *name; | |
4603 | unsigned int exp; | |
4604 | flagword flags; | |
4605 | asection *sec; | |
4606 | ||
99a814a1 | 4607 | /* Strip out the symbol name. */ |
252b5132 RH |
4608 | symbol_name = input_line_pointer; |
4609 | c = get_symbol_end (); | |
4610 | ||
4611 | name = xmalloc (input_line_pointer - symbol_name + 1); | |
4612 | strcpy (name, symbol_name); | |
4613 | ||
4614 | sym = symbol_find_or_make (name); | |
4615 | ||
4616 | *input_line_pointer = c; | |
4617 | ||
4618 | SKIP_WHITESPACE (); | |
4619 | ||
4620 | /* Look up the opcode in the hash table. */ | |
4621 | opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, "nop"); | |
4622 | ||
99a814a1 | 4623 | /* Stick in the nop. */ |
252b5132 RH |
4624 | insn = opcode->opcode; |
4625 | ||
4626 | /* Write out the instruction. */ | |
4627 | f = frag_more (4); | |
4628 | md_number_to_chars (f, insn, 4); | |
4629 | fix_new (frag_now, | |
4630 | f - frag_now->fr_literal, | |
4631 | 4, | |
4632 | sym, | |
4633 | 0, | |
4634 | 0, | |
4635 | BFD_RELOC_16_GOT_PCREL); | |
4636 | ||
4637 | } | |
4638 | ||
81d4177b KH |
4639 | /* pseudo-op: |
4640 | behaviour: | |
4641 | errors: | |
99a814a1 AM |
4642 | warnings: */ |
4643 | ||
252b5132 | 4644 | static void |
98027b10 | 4645 | ppc_pe_comm (int lcomm) |
252b5132 | 4646 | { |
98027b10 AM |
4647 | char *name; |
4648 | char c; | |
4649 | char *p; | |
252b5132 | 4650 | offsetT temp; |
98027b10 | 4651 | symbolS *symbolP; |
252b5132 RH |
4652 | offsetT align; |
4653 | ||
4654 | name = input_line_pointer; | |
4655 | c = get_symbol_end (); | |
4656 | ||
99a814a1 | 4657 | /* just after name is now '\0'. */ |
252b5132 RH |
4658 | p = input_line_pointer; |
4659 | *p = c; | |
4660 | SKIP_WHITESPACE (); | |
4661 | if (*input_line_pointer != ',') | |
4662 | { | |
4663 | as_bad (_("Expected comma after symbol-name: rest of line ignored.")); | |
4664 | ignore_rest_of_line (); | |
4665 | return; | |
4666 | } | |
4667 | ||
4668 | input_line_pointer++; /* skip ',' */ | |
4669 | if ((temp = get_absolute_expression ()) < 0) | |
4670 | { | |
4671 | as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) temp); | |
4672 | ignore_rest_of_line (); | |
4673 | return; | |
4674 | } | |
4675 | ||
4676 | if (! lcomm) | |
4677 | { | |
4678 | /* The third argument to .comm is the alignment. */ | |
4679 | if (*input_line_pointer != ',') | |
4680 | align = 3; | |
4681 | else | |
4682 | { | |
4683 | ++input_line_pointer; | |
4684 | align = get_absolute_expression (); | |
4685 | if (align <= 0) | |
4686 | { | |
4687 | as_warn (_("ignoring bad alignment")); | |
4688 | align = 3; | |
4689 | } | |
4690 | } | |
4691 | } | |
4692 | ||
4693 | *p = 0; | |
4694 | symbolP = symbol_find_or_make (name); | |
4695 | ||
4696 | *p = c; | |
4697 | if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP)) | |
4698 | { | |
4699 | as_bad (_("Ignoring attempt to re-define symbol `%s'."), | |
4700 | S_GET_NAME (symbolP)); | |
4701 | ignore_rest_of_line (); | |
4702 | return; | |
4703 | } | |
4704 | ||
4705 | if (S_GET_VALUE (symbolP)) | |
4706 | { | |
4707 | if (S_GET_VALUE (symbolP) != (valueT) temp) | |
4708 | as_bad (_("Length of .comm \"%s\" is already %ld. Not changed to %ld."), | |
4709 | S_GET_NAME (symbolP), | |
4710 | (long) S_GET_VALUE (symbolP), | |
4711 | (long) temp); | |
4712 | } | |
4713 | else | |
4714 | { | |
4715 | S_SET_VALUE (symbolP, (valueT) temp); | |
4716 | S_SET_EXTERNAL (symbolP); | |
86ebace2 | 4717 | S_SET_SEGMENT (symbolP, bfd_com_section_ptr); |
252b5132 RH |
4718 | } |
4719 | ||
4720 | demand_empty_rest_of_line (); | |
4721 | } | |
4722 | ||
4723 | /* | |
4724 | * implement the .section pseudo op: | |
4725 | * .section name {, "flags"} | |
4726 | * ^ ^ | |
4727 | * | +--- optional flags: 'b' for bss | |
4728 | * | 'i' for info | |
4729 | * +-- section name 'l' for lib | |
4730 | * 'n' for noload | |
4731 | * 'o' for over | |
4732 | * 'w' for data | |
4733 | * 'd' (apparently m88k for data) | |
4734 | * 'x' for text | |
4735 | * But if the argument is not a quoted string, treat it as a | |
4736 | * subsegment number. | |
4737 | * | |
4738 | * FIXME: this is a copy of the section processing from obj-coff.c, with | |
4739 | * additions/changes for the moto-pas assembler support. There are three | |
4740 | * categories: | |
4741 | * | |
81d4177b | 4742 | * FIXME: I just noticed this. This doesn't work at all really. It it |
252b5132 RH |
4743 | * setting bits that bfd probably neither understands or uses. The |
4744 | * correct approach (?) will have to incorporate extra fields attached | |
4745 | * to the section to hold the system specific stuff. (krk) | |
4746 | * | |
4747 | * Section Contents: | |
4748 | * 'a' - unknown - referred to in documentation, but no definition supplied | |
4749 | * 'c' - section has code | |
4750 | * 'd' - section has initialized data | |
4751 | * 'u' - section has uninitialized data | |
4752 | * 'i' - section contains directives (info) | |
4753 | * 'n' - section can be discarded | |
4754 | * 'R' - remove section at link time | |
4755 | * | |
4756 | * Section Protection: | |
4757 | * 'r' - section is readable | |
4758 | * 'w' - section is writeable | |
4759 | * 'x' - section is executable | |
4760 | * 's' - section is sharable | |
4761 | * | |
4762 | * Section Alignment: | |
4763 | * '0' - align to byte boundary | |
4764 | * '1' - align to halfword undary | |
4765 | * '2' - align to word boundary | |
4766 | * '3' - align to doubleword boundary | |
4767 | * '4' - align to quadword boundary | |
4768 | * '5' - align to 32 byte boundary | |
4769 | * '6' - align to 64 byte boundary | |
4770 | * | |
4771 | */ | |
4772 | ||
4773 | void | |
98027b10 | 4774 | ppc_pe_section (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 4775 | { |
99a814a1 | 4776 | /* Strip out the section name. */ |
252b5132 RH |
4777 | char *section_name; |
4778 | char c; | |
4779 | char *name; | |
4780 | unsigned int exp; | |
4781 | flagword flags; | |
4782 | segT sec; | |
4783 | int align; | |
4784 | ||
4785 | section_name = input_line_pointer; | |
4786 | c = get_symbol_end (); | |
4787 | ||
4788 | name = xmalloc (input_line_pointer - section_name + 1); | |
4789 | strcpy (name, section_name); | |
4790 | ||
4791 | *input_line_pointer = c; | |
4792 | ||
4793 | SKIP_WHITESPACE (); | |
4794 | ||
4795 | exp = 0; | |
4796 | flags = SEC_NO_FLAGS; | |
4797 | ||
4798 | if (strcmp (name, ".idata$2") == 0) | |
4799 | { | |
4800 | align = 0; | |
4801 | } | |
4802 | else if (strcmp (name, ".idata$3") == 0) | |
4803 | { | |
4804 | align = 0; | |
4805 | } | |
4806 | else if (strcmp (name, ".idata$4") == 0) | |
4807 | { | |
4808 | align = 2; | |
4809 | } | |
4810 | else if (strcmp (name, ".idata$5") == 0) | |
4811 | { | |
4812 | align = 2; | |
4813 | } | |
4814 | else if (strcmp (name, ".idata$6") == 0) | |
4815 | { | |
4816 | align = 1; | |
4817 | } | |
4818 | else | |
99a814a1 AM |
4819 | /* Default alignment to 16 byte boundary. */ |
4820 | align = 4; | |
252b5132 RH |
4821 | |
4822 | if (*input_line_pointer == ',') | |
4823 | { | |
4824 | ++input_line_pointer; | |
4825 | SKIP_WHITESPACE (); | |
4826 | if (*input_line_pointer != '"') | |
4827 | exp = get_absolute_expression (); | |
4828 | else | |
4829 | { | |
4830 | ++input_line_pointer; | |
4831 | while (*input_line_pointer != '"' | |
4832 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
4833 | { | |
4834 | switch (*input_line_pointer) | |
4835 | { | |
4836 | /* Section Contents */ | |
4837 | case 'a': /* unknown */ | |
4838 | as_bad (_("Unsupported section attribute -- 'a'")); | |
4839 | break; | |
4840 | case 'c': /* code section */ | |
81d4177b | 4841 | flags |= SEC_CODE; |
252b5132 RH |
4842 | break; |
4843 | case 'd': /* section has initialized data */ | |
4844 | flags |= SEC_DATA; | |
4845 | break; | |
4846 | case 'u': /* section has uninitialized data */ | |
4847 | /* FIXME: This is IMAGE_SCN_CNT_UNINITIALIZED_DATA | |
4848 | in winnt.h */ | |
4849 | flags |= SEC_ROM; | |
4850 | break; | |
4851 | case 'i': /* section contains directives (info) */ | |
4852 | /* FIXME: This is IMAGE_SCN_LNK_INFO | |
4853 | in winnt.h */ | |
4854 | flags |= SEC_HAS_CONTENTS; | |
4855 | break; | |
4856 | case 'n': /* section can be discarded */ | |
81d4177b | 4857 | flags &=~ SEC_LOAD; |
252b5132 RH |
4858 | break; |
4859 | case 'R': /* Remove section at link time */ | |
4860 | flags |= SEC_NEVER_LOAD; | |
4861 | break; | |
8d452c78 | 4862 | #if IFLICT_BRAIN_DAMAGE |
252b5132 RH |
4863 | /* Section Protection */ |
4864 | case 'r': /* section is readable */ | |
4865 | flags |= IMAGE_SCN_MEM_READ; | |
4866 | break; | |
4867 | case 'w': /* section is writeable */ | |
4868 | flags |= IMAGE_SCN_MEM_WRITE; | |
4869 | break; | |
4870 | case 'x': /* section is executable */ | |
4871 | flags |= IMAGE_SCN_MEM_EXECUTE; | |
4872 | break; | |
4873 | case 's': /* section is sharable */ | |
4874 | flags |= IMAGE_SCN_MEM_SHARED; | |
4875 | break; | |
4876 | ||
4877 | /* Section Alignment */ | |
4878 | case '0': /* align to byte boundary */ | |
4879 | flags |= IMAGE_SCN_ALIGN_1BYTES; | |
4880 | align = 0; | |
4881 | break; | |
4882 | case '1': /* align to halfword boundary */ | |
4883 | flags |= IMAGE_SCN_ALIGN_2BYTES; | |
4884 | align = 1; | |
4885 | break; | |
4886 | case '2': /* align to word boundary */ | |
4887 | flags |= IMAGE_SCN_ALIGN_4BYTES; | |
4888 | align = 2; | |
4889 | break; | |
4890 | case '3': /* align to doubleword boundary */ | |
4891 | flags |= IMAGE_SCN_ALIGN_8BYTES; | |
4892 | align = 3; | |
4893 | break; | |
4894 | case '4': /* align to quadword boundary */ | |
4895 | flags |= IMAGE_SCN_ALIGN_16BYTES; | |
4896 | align = 4; | |
4897 | break; | |
4898 | case '5': /* align to 32 byte boundary */ | |
4899 | flags |= IMAGE_SCN_ALIGN_32BYTES; | |
4900 | align = 5; | |
4901 | break; | |
4902 | case '6': /* align to 64 byte boundary */ | |
4903 | flags |= IMAGE_SCN_ALIGN_64BYTES; | |
4904 | align = 6; | |
4905 | break; | |
8d452c78 | 4906 | #endif |
252b5132 | 4907 | default: |
99a814a1 AM |
4908 | as_bad (_("unknown section attribute '%c'"), |
4909 | *input_line_pointer); | |
252b5132 RH |
4910 | break; |
4911 | } | |
4912 | ++input_line_pointer; | |
4913 | } | |
4914 | if (*input_line_pointer == '"') | |
4915 | ++input_line_pointer; | |
4916 | } | |
4917 | } | |
4918 | ||
4919 | sec = subseg_new (name, (subsegT) exp); | |
4920 | ||
99a814a1 | 4921 | ppc_set_current_section (sec); |
252b5132 RH |
4922 | |
4923 | if (flags != SEC_NO_FLAGS) | |
4924 | { | |
4925 | if (! bfd_set_section_flags (stdoutput, sec, flags)) | |
4926 | as_bad (_("error setting flags for \"%s\": %s"), | |
4927 | bfd_section_name (stdoutput, sec), | |
4928 | bfd_errmsg (bfd_get_error ())); | |
4929 | } | |
4930 | ||
99a814a1 | 4931 | bfd_set_section_alignment (stdoutput, sec, align); |
252b5132 RH |
4932 | } |
4933 | ||
4934 | static void | |
98027b10 | 4935 | ppc_pe_function (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4936 | { |
4937 | char *name; | |
4938 | char endc; | |
4939 | symbolS *ext_sym; | |
4940 | ||
4941 | name = input_line_pointer; | |
4942 | endc = get_symbol_end (); | |
4943 | ||
4944 | ext_sym = symbol_find_or_make (name); | |
4945 | ||
4946 | *input_line_pointer = endc; | |
4947 | ||
4948 | S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT); | |
4949 | SF_SET_FUNCTION (ext_sym); | |
4950 | SF_SET_PROCESS (ext_sym); | |
4951 | coff_add_linesym (ext_sym); | |
4952 | ||
4953 | demand_empty_rest_of_line (); | |
4954 | } | |
4955 | ||
4956 | static void | |
98027b10 | 4957 | ppc_pe_tocd (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
4958 | { |
4959 | if (tocdata_section == 0) | |
4960 | { | |
4961 | tocdata_section = subseg_new (".tocd", 0); | |
99a814a1 | 4962 | /* FIXME: section flags won't work. */ |
252b5132 RH |
4963 | bfd_set_section_flags (stdoutput, tocdata_section, |
4964 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
99a814a1 | 4965 | | SEC_READONLY | SEC_DATA)); |
252b5132 RH |
4966 | |
4967 | bfd_set_section_alignment (stdoutput, tocdata_section, 2); | |
4968 | } | |
4969 | else | |
4970 | { | |
4971 | rdata_section = subseg_new (".tocd", 0); | |
4972 | } | |
4973 | ||
99a814a1 | 4974 | ppc_set_current_section (tocdata_section); |
252b5132 RH |
4975 | |
4976 | demand_empty_rest_of_line (); | |
4977 | } | |
4978 | ||
4979 | /* Don't adjust TOC relocs to use the section symbol. */ | |
4980 | ||
4981 | int | |
98027b10 | 4982 | ppc_pe_fix_adjustable (fixS *fix) |
252b5132 RH |
4983 | { |
4984 | return fix->fx_r_type != BFD_RELOC_PPC_TOC16; | |
4985 | } | |
4986 | ||
4987 | #endif | |
4988 | \f | |
4989 | #ifdef OBJ_XCOFF | |
4990 | ||
4991 | /* XCOFF specific symbol and file handling. */ | |
4992 | ||
4993 | /* Canonicalize the symbol name. We use the to force the suffix, if | |
4994 | any, to use square brackets, and to be in upper case. */ | |
4995 | ||
4996 | char * | |
98027b10 | 4997 | ppc_canonicalize_symbol_name (char *name) |
252b5132 RH |
4998 | { |
4999 | char *s; | |
5000 | ||
5001 | if (ppc_stab_symbol) | |
5002 | return name; | |
5003 | ||
5004 | for (s = name; *s != '\0' && *s != '{' && *s != '['; s++) | |
5005 | ; | |
5006 | if (*s != '\0') | |
5007 | { | |
5008 | char brac; | |
5009 | ||
5010 | if (*s == '[') | |
5011 | brac = ']'; | |
5012 | else | |
5013 | { | |
5014 | *s = '['; | |
5015 | brac = '}'; | |
5016 | } | |
5017 | ||
5018 | for (s++; *s != '\0' && *s != brac; s++) | |
3882b010 | 5019 | *s = TOUPPER (*s); |
252b5132 RH |
5020 | |
5021 | if (*s == '\0' || s[1] != '\0') | |
5022 | as_bad (_("bad symbol suffix")); | |
5023 | ||
5024 | *s = ']'; | |
5025 | } | |
5026 | ||
5027 | return name; | |
5028 | } | |
5029 | ||
5030 | /* Set the class of a symbol based on the suffix, if any. This is | |
5031 | called whenever a new symbol is created. */ | |
5032 | ||
5033 | void | |
98027b10 | 5034 | ppc_symbol_new_hook (symbolS *sym) |
252b5132 | 5035 | { |
809ffe0d | 5036 | struct ppc_tc_sy *tc; |
252b5132 RH |
5037 | const char *s; |
5038 | ||
809ffe0d ILT |
5039 | tc = symbol_get_tc (sym); |
5040 | tc->next = NULL; | |
5041 | tc->output = 0; | |
96d56e9f | 5042 | tc->symbol_class = -1; |
809ffe0d ILT |
5043 | tc->real_name = NULL; |
5044 | tc->subseg = 0; | |
5045 | tc->align = 0; | |
5046 | tc->size = NULL; | |
5047 | tc->within = NULL; | |
252b5132 RH |
5048 | |
5049 | if (ppc_stab_symbol) | |
5050 | return; | |
5051 | ||
5052 | s = strchr (S_GET_NAME (sym), '['); | |
5053 | if (s == (const char *) NULL) | |
5054 | { | |
5055 | /* There is no suffix. */ | |
5056 | return; | |
5057 | } | |
5058 | ||
5059 | ++s; | |
5060 | ||
5061 | switch (s[0]) | |
5062 | { | |
5063 | case 'B': | |
5064 | if (strcmp (s, "BS]") == 0) | |
96d56e9f | 5065 | tc->symbol_class = XMC_BS; |
252b5132 RH |
5066 | break; |
5067 | case 'D': | |
5068 | if (strcmp (s, "DB]") == 0) | |
96d56e9f | 5069 | tc->symbol_class = XMC_DB; |
252b5132 | 5070 | else if (strcmp (s, "DS]") == 0) |
96d56e9f | 5071 | tc->symbol_class = XMC_DS; |
252b5132 RH |
5072 | break; |
5073 | case 'G': | |
5074 | if (strcmp (s, "GL]") == 0) | |
96d56e9f | 5075 | tc->symbol_class = XMC_GL; |
252b5132 RH |
5076 | break; |
5077 | case 'P': | |
5078 | if (strcmp (s, "PR]") == 0) | |
96d56e9f | 5079 | tc->symbol_class = XMC_PR; |
252b5132 RH |
5080 | break; |
5081 | case 'R': | |
5082 | if (strcmp (s, "RO]") == 0) | |
96d56e9f | 5083 | tc->symbol_class = XMC_RO; |
252b5132 | 5084 | else if (strcmp (s, "RW]") == 0) |
96d56e9f | 5085 | tc->symbol_class = XMC_RW; |
252b5132 RH |
5086 | break; |
5087 | case 'S': | |
5088 | if (strcmp (s, "SV]") == 0) | |
96d56e9f | 5089 | tc->symbol_class = XMC_SV; |
252b5132 RH |
5090 | break; |
5091 | case 'T': | |
5092 | if (strcmp (s, "TC]") == 0) | |
96d56e9f | 5093 | tc->symbol_class = XMC_TC; |
252b5132 | 5094 | else if (strcmp (s, "TI]") == 0) |
96d56e9f | 5095 | tc->symbol_class = XMC_TI; |
252b5132 | 5096 | else if (strcmp (s, "TB]") == 0) |
96d56e9f | 5097 | tc->symbol_class = XMC_TB; |
252b5132 | 5098 | else if (strcmp (s, "TC0]") == 0 || strcmp (s, "T0]") == 0) |
96d56e9f | 5099 | tc->symbol_class = XMC_TC0; |
252b5132 RH |
5100 | break; |
5101 | case 'U': | |
5102 | if (strcmp (s, "UA]") == 0) | |
96d56e9f | 5103 | tc->symbol_class = XMC_UA; |
252b5132 | 5104 | else if (strcmp (s, "UC]") == 0) |
96d56e9f | 5105 | tc->symbol_class = XMC_UC; |
252b5132 RH |
5106 | break; |
5107 | case 'X': | |
5108 | if (strcmp (s, "XO]") == 0) | |
96d56e9f | 5109 | tc->symbol_class = XMC_XO; |
252b5132 RH |
5110 | break; |
5111 | } | |
5112 | ||
96d56e9f | 5113 | if (tc->symbol_class == -1) |
252b5132 RH |
5114 | as_bad (_("Unrecognized symbol suffix")); |
5115 | } | |
5116 | ||
5117 | /* Set the class of a label based on where it is defined. This | |
5118 | handles symbols without suffixes. Also, move the symbol so that it | |
5119 | follows the csect symbol. */ | |
5120 | ||
5121 | void | |
98027b10 | 5122 | ppc_frob_label (symbolS *sym) |
252b5132 RH |
5123 | { |
5124 | if (ppc_current_csect != (symbolS *) NULL) | |
5125 | { | |
96d56e9f NC |
5126 | if (symbol_get_tc (sym)->symbol_class == -1) |
5127 | symbol_get_tc (sym)->symbol_class = symbol_get_tc (ppc_current_csect)->symbol_class; | |
252b5132 RH |
5128 | |
5129 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
809ffe0d ILT |
5130 | symbol_append (sym, symbol_get_tc (ppc_current_csect)->within, |
5131 | &symbol_rootP, &symbol_lastP); | |
5132 | symbol_get_tc (ppc_current_csect)->within = sym; | |
252b5132 | 5133 | } |
07a53e5c RH |
5134 | |
5135 | #ifdef OBJ_ELF | |
5136 | dwarf2_emit_label (sym); | |
5137 | #endif | |
252b5132 RH |
5138 | } |
5139 | ||
5140 | /* This variable is set by ppc_frob_symbol if any absolute symbols are | |
5141 | seen. It tells ppc_adjust_symtab whether it needs to look through | |
5142 | the symbols. */ | |
5143 | ||
b34976b6 | 5144 | static bfd_boolean ppc_saw_abs; |
252b5132 RH |
5145 | |
5146 | /* Change the name of a symbol just before writing it out. Set the | |
5147 | real name if the .rename pseudo-op was used. Otherwise, remove any | |
5148 | class suffix. Return 1 if the symbol should not be included in the | |
5149 | symbol table. */ | |
5150 | ||
5151 | int | |
98027b10 | 5152 | ppc_frob_symbol (symbolS *sym) |
252b5132 RH |
5153 | { |
5154 | static symbolS *ppc_last_function; | |
5155 | static symbolS *set_end; | |
5156 | ||
5157 | /* Discard symbols that should not be included in the output symbol | |
5158 | table. */ | |
809ffe0d ILT |
5159 | if (! symbol_used_in_reloc_p (sym) |
5160 | && ((symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) != 0 | |
670ec21d | 5161 | || (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym)) |
809ffe0d | 5162 | && ! symbol_get_tc (sym)->output |
252b5132 RH |
5163 | && S_GET_STORAGE_CLASS (sym) != C_FILE))) |
5164 | return 1; | |
5165 | ||
a161fe53 AM |
5166 | /* This one will disappear anyway. Don't make a csect sym for it. */ |
5167 | if (sym == abs_section_sym) | |
5168 | return 1; | |
5169 | ||
809ffe0d ILT |
5170 | if (symbol_get_tc (sym)->real_name != (char *) NULL) |
5171 | S_SET_NAME (sym, symbol_get_tc (sym)->real_name); | |
252b5132 RH |
5172 | else |
5173 | { | |
5174 | const char *name; | |
5175 | const char *s; | |
5176 | ||
5177 | name = S_GET_NAME (sym); | |
5178 | s = strchr (name, '['); | |
5179 | if (s != (char *) NULL) | |
5180 | { | |
5181 | unsigned int len; | |
5182 | char *snew; | |
5183 | ||
5184 | len = s - name; | |
5185 | snew = xmalloc (len + 1); | |
5186 | memcpy (snew, name, len); | |
5187 | snew[len] = '\0'; | |
5188 | ||
5189 | S_SET_NAME (sym, snew); | |
5190 | } | |
5191 | } | |
5192 | ||
5193 | if (set_end != (symbolS *) NULL) | |
5194 | { | |
5195 | SA_SET_SYM_ENDNDX (set_end, sym); | |
5196 | set_end = NULL; | |
5197 | } | |
5198 | ||
5199 | if (SF_GET_FUNCTION (sym)) | |
5200 | { | |
5201 | if (ppc_last_function != (symbolS *) NULL) | |
5202 | as_bad (_("two .function pseudo-ops with no intervening .ef")); | |
5203 | ppc_last_function = sym; | |
809ffe0d | 5204 | if (symbol_get_tc (sym)->size != (symbolS *) NULL) |
252b5132 | 5205 | { |
6386f3a7 | 5206 | resolve_symbol_value (symbol_get_tc (sym)->size); |
809ffe0d ILT |
5207 | SA_SET_SYM_FSIZE (sym, |
5208 | (long) S_GET_VALUE (symbol_get_tc (sym)->size)); | |
252b5132 RH |
5209 | } |
5210 | } | |
5211 | else if (S_GET_STORAGE_CLASS (sym) == C_FCN | |
5212 | && strcmp (S_GET_NAME (sym), ".ef") == 0) | |
5213 | { | |
5214 | if (ppc_last_function == (symbolS *) NULL) | |
5215 | as_bad (_(".ef with no preceding .function")); | |
5216 | else | |
5217 | { | |
5218 | set_end = ppc_last_function; | |
5219 | ppc_last_function = NULL; | |
5220 | ||
5221 | /* We don't have a C_EFCN symbol, but we need to force the | |
5222 | COFF backend to believe that it has seen one. */ | |
5223 | coff_last_function = NULL; | |
5224 | } | |
5225 | } | |
5226 | ||
670ec21d | 5227 | if (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym)) |
809ffe0d | 5228 | && (symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) == 0 |
252b5132 RH |
5229 | && S_GET_STORAGE_CLASS (sym) != C_FILE |
5230 | && S_GET_STORAGE_CLASS (sym) != C_FCN | |
5231 | && S_GET_STORAGE_CLASS (sym) != C_BLOCK | |
5232 | && S_GET_STORAGE_CLASS (sym) != C_BSTAT | |
5233 | && S_GET_STORAGE_CLASS (sym) != C_ESTAT | |
5234 | && S_GET_STORAGE_CLASS (sym) != C_BINCL | |
5235 | && S_GET_STORAGE_CLASS (sym) != C_EINCL | |
5236 | && S_GET_SEGMENT (sym) != ppc_coff_debug_section) | |
5237 | S_SET_STORAGE_CLASS (sym, C_HIDEXT); | |
5238 | ||
5239 | if (S_GET_STORAGE_CLASS (sym) == C_EXT | |
8602d4fe | 5240 | || S_GET_STORAGE_CLASS (sym) == C_AIX_WEAKEXT |
252b5132 RH |
5241 | || S_GET_STORAGE_CLASS (sym) == C_HIDEXT) |
5242 | { | |
5243 | int i; | |
5244 | union internal_auxent *a; | |
5245 | ||
5246 | /* Create a csect aux. */ | |
5247 | i = S_GET_NUMBER_AUXILIARY (sym); | |
5248 | S_SET_NUMBER_AUXILIARY (sym, i + 1); | |
809ffe0d | 5249 | a = &coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].u.auxent; |
96d56e9f | 5250 | if (symbol_get_tc (sym)->symbol_class == XMC_TC0) |
252b5132 RH |
5251 | { |
5252 | /* This is the TOC table. */ | |
5253 | know (strcmp (S_GET_NAME (sym), "TOC") == 0); | |
5254 | a->x_csect.x_scnlen.l = 0; | |
5255 | a->x_csect.x_smtyp = (2 << 3) | XTY_SD; | |
5256 | } | |
809ffe0d | 5257 | else if (symbol_get_tc (sym)->subseg != 0) |
252b5132 RH |
5258 | { |
5259 | /* This is a csect symbol. x_scnlen is the size of the | |
5260 | csect. */ | |
809ffe0d | 5261 | if (symbol_get_tc (sym)->next == (symbolS *) NULL) |
252b5132 RH |
5262 | a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput, |
5263 | S_GET_SEGMENT (sym)) | |
5264 | - S_GET_VALUE (sym)); | |
5265 | else | |
5266 | { | |
6386f3a7 | 5267 | resolve_symbol_value (symbol_get_tc (sym)->next); |
809ffe0d | 5268 | a->x_csect.x_scnlen.l = (S_GET_VALUE (symbol_get_tc (sym)->next) |
252b5132 RH |
5269 | - S_GET_VALUE (sym)); |
5270 | } | |
809ffe0d | 5271 | a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_SD; |
252b5132 RH |
5272 | } |
5273 | else if (S_GET_SEGMENT (sym) == bss_section) | |
5274 | { | |
5275 | /* This is a common symbol. */ | |
809ffe0d ILT |
5276 | a->x_csect.x_scnlen.l = symbol_get_frag (sym)->fr_offset; |
5277 | a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_CM; | |
252b5132 | 5278 | if (S_IS_EXTERNAL (sym)) |
96d56e9f | 5279 | symbol_get_tc (sym)->symbol_class = XMC_RW; |
252b5132 | 5280 | else |
96d56e9f | 5281 | symbol_get_tc (sym)->symbol_class = XMC_BS; |
252b5132 RH |
5282 | } |
5283 | else if (S_GET_SEGMENT (sym) == absolute_section) | |
5284 | { | |
5285 | /* This is an absolute symbol. The csect will be created by | |
99a814a1 | 5286 | ppc_adjust_symtab. */ |
b34976b6 | 5287 | ppc_saw_abs = TRUE; |
252b5132 | 5288 | a->x_csect.x_smtyp = XTY_LD; |
96d56e9f NC |
5289 | if (symbol_get_tc (sym)->symbol_class == -1) |
5290 | symbol_get_tc (sym)->symbol_class = XMC_XO; | |
252b5132 RH |
5291 | } |
5292 | else if (! S_IS_DEFINED (sym)) | |
5293 | { | |
5294 | /* This is an external symbol. */ | |
5295 | a->x_csect.x_scnlen.l = 0; | |
5296 | a->x_csect.x_smtyp = XTY_ER; | |
5297 | } | |
96d56e9f | 5298 | else if (symbol_get_tc (sym)->symbol_class == XMC_TC) |
252b5132 RH |
5299 | { |
5300 | symbolS *next; | |
5301 | ||
5302 | /* This is a TOC definition. x_scnlen is the size of the | |
5303 | TOC entry. */ | |
5304 | next = symbol_next (sym); | |
96d56e9f | 5305 | while (symbol_get_tc (next)->symbol_class == XMC_TC0) |
252b5132 RH |
5306 | next = symbol_next (next); |
5307 | if (next == (symbolS *) NULL | |
96d56e9f | 5308 | || symbol_get_tc (next)->symbol_class != XMC_TC) |
252b5132 RH |
5309 | { |
5310 | if (ppc_after_toc_frag == (fragS *) NULL) | |
5311 | a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput, | |
5312 | data_section) | |
5313 | - S_GET_VALUE (sym)); | |
5314 | else | |
5315 | a->x_csect.x_scnlen.l = (ppc_after_toc_frag->fr_address | |
5316 | - S_GET_VALUE (sym)); | |
5317 | } | |
5318 | else | |
5319 | { | |
6386f3a7 | 5320 | resolve_symbol_value (next); |
252b5132 RH |
5321 | a->x_csect.x_scnlen.l = (S_GET_VALUE (next) |
5322 | - S_GET_VALUE (sym)); | |
5323 | } | |
5324 | a->x_csect.x_smtyp = (2 << 3) | XTY_SD; | |
5325 | } | |
5326 | else | |
5327 | { | |
5328 | symbolS *csect; | |
5329 | ||
5330 | /* This is a normal symbol definition. x_scnlen is the | |
5331 | symbol index of the containing csect. */ | |
5332 | if (S_GET_SEGMENT (sym) == text_section) | |
5333 | csect = ppc_text_csects; | |
5334 | else if (S_GET_SEGMENT (sym) == data_section) | |
5335 | csect = ppc_data_csects; | |
5336 | else | |
5337 | abort (); | |
5338 | ||
5339 | /* Skip the initial dummy symbol. */ | |
809ffe0d | 5340 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
5341 | |
5342 | if (csect == (symbolS *) NULL) | |
5343 | { | |
5344 | as_warn (_("warning: symbol %s has no csect"), S_GET_NAME (sym)); | |
5345 | a->x_csect.x_scnlen.l = 0; | |
5346 | } | |
5347 | else | |
5348 | { | |
809ffe0d | 5349 | while (symbol_get_tc (csect)->next != (symbolS *) NULL) |
252b5132 | 5350 | { |
6386f3a7 | 5351 | resolve_symbol_value (symbol_get_tc (csect)->next); |
809ffe0d ILT |
5352 | if (S_GET_VALUE (symbol_get_tc (csect)->next) |
5353 | > S_GET_VALUE (sym)) | |
252b5132 | 5354 | break; |
809ffe0d | 5355 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
5356 | } |
5357 | ||
809ffe0d ILT |
5358 | a->x_csect.x_scnlen.p = |
5359 | coffsymbol (symbol_get_bfdsym (csect))->native; | |
5360 | coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].fix_scnlen = | |
5361 | 1; | |
252b5132 RH |
5362 | } |
5363 | a->x_csect.x_smtyp = XTY_LD; | |
5364 | } | |
81d4177b | 5365 | |
252b5132 RH |
5366 | a->x_csect.x_parmhash = 0; |
5367 | a->x_csect.x_snhash = 0; | |
96d56e9f | 5368 | if (symbol_get_tc (sym)->symbol_class == -1) |
252b5132 RH |
5369 | a->x_csect.x_smclas = XMC_PR; |
5370 | else | |
96d56e9f | 5371 | a->x_csect.x_smclas = symbol_get_tc (sym)->symbol_class; |
252b5132 RH |
5372 | a->x_csect.x_stab = 0; |
5373 | a->x_csect.x_snstab = 0; | |
5374 | ||
5375 | /* Don't let the COFF backend resort these symbols. */ | |
809ffe0d | 5376 | symbol_get_bfdsym (sym)->flags |= BSF_NOT_AT_END; |
252b5132 RH |
5377 | } |
5378 | else if (S_GET_STORAGE_CLASS (sym) == C_BSTAT) | |
5379 | { | |
5380 | /* We want the value to be the symbol index of the referenced | |
5381 | csect symbol. BFD will do that for us if we set the right | |
5382 | flags. */ | |
b782de16 AM |
5383 | asymbol *bsym = symbol_get_bfdsym (symbol_get_tc (sym)->within); |
5384 | combined_entry_type *c = coffsymbol (bsym)->native; | |
5385 | ||
5386 | S_SET_VALUE (sym, (valueT) (size_t) c); | |
809ffe0d | 5387 | coffsymbol (symbol_get_bfdsym (sym))->native->fix_value = 1; |
252b5132 RH |
5388 | } |
5389 | else if (S_GET_STORAGE_CLASS (sym) == C_STSYM) | |
5390 | { | |
5391 | symbolS *block; | |
5392 | symbolS *csect; | |
5393 | ||
5394 | /* The value is the offset from the enclosing csect. */ | |
809ffe0d ILT |
5395 | block = symbol_get_tc (sym)->within; |
5396 | csect = symbol_get_tc (block)->within; | |
6386f3a7 | 5397 | resolve_symbol_value (csect); |
252b5132 RH |
5398 | S_SET_VALUE (sym, S_GET_VALUE (sym) - S_GET_VALUE (csect)); |
5399 | } | |
5400 | else if (S_GET_STORAGE_CLASS (sym) == C_BINCL | |
5401 | || S_GET_STORAGE_CLASS (sym) == C_EINCL) | |
5402 | { | |
5403 | /* We want the value to be a file offset into the line numbers. | |
99a814a1 AM |
5404 | BFD will do that for us if we set the right flags. We have |
5405 | already set the value correctly. */ | |
809ffe0d | 5406 | coffsymbol (symbol_get_bfdsym (sym))->native->fix_line = 1; |
252b5132 RH |
5407 | } |
5408 | ||
5409 | return 0; | |
5410 | } | |
5411 | ||
5412 | /* Adjust the symbol table. This creates csect symbols for all | |
5413 | absolute symbols. */ | |
5414 | ||
5415 | void | |
98027b10 | 5416 | ppc_adjust_symtab (void) |
252b5132 RH |
5417 | { |
5418 | symbolS *sym; | |
5419 | ||
5420 | if (! ppc_saw_abs) | |
5421 | return; | |
5422 | ||
5423 | for (sym = symbol_rootP; sym != NULL; sym = symbol_next (sym)) | |
5424 | { | |
5425 | symbolS *csect; | |
5426 | int i; | |
5427 | union internal_auxent *a; | |
5428 | ||
5429 | if (S_GET_SEGMENT (sym) != absolute_section) | |
5430 | continue; | |
5431 | ||
5432 | csect = symbol_create (".abs[XO]", absolute_section, | |
5433 | S_GET_VALUE (sym), &zero_address_frag); | |
809ffe0d | 5434 | symbol_get_bfdsym (csect)->value = S_GET_VALUE (sym); |
252b5132 RH |
5435 | S_SET_STORAGE_CLASS (csect, C_HIDEXT); |
5436 | i = S_GET_NUMBER_AUXILIARY (csect); | |
5437 | S_SET_NUMBER_AUXILIARY (csect, i + 1); | |
809ffe0d | 5438 | a = &coffsymbol (symbol_get_bfdsym (csect))->native[i + 1].u.auxent; |
252b5132 RH |
5439 | a->x_csect.x_scnlen.l = 0; |
5440 | a->x_csect.x_smtyp = XTY_SD; | |
5441 | a->x_csect.x_parmhash = 0; | |
5442 | a->x_csect.x_snhash = 0; | |
5443 | a->x_csect.x_smclas = XMC_XO; | |
5444 | a->x_csect.x_stab = 0; | |
5445 | a->x_csect.x_snstab = 0; | |
5446 | ||
5447 | symbol_insert (csect, sym, &symbol_rootP, &symbol_lastP); | |
5448 | ||
5449 | i = S_GET_NUMBER_AUXILIARY (sym); | |
809ffe0d ILT |
5450 | a = &coffsymbol (symbol_get_bfdsym (sym))->native[i].u.auxent; |
5451 | a->x_csect.x_scnlen.p = coffsymbol (symbol_get_bfdsym (csect))->native; | |
5452 | coffsymbol (symbol_get_bfdsym (sym))->native[i].fix_scnlen = 1; | |
252b5132 RH |
5453 | } |
5454 | ||
b34976b6 | 5455 | ppc_saw_abs = FALSE; |
252b5132 RH |
5456 | } |
5457 | ||
5458 | /* Set the VMA for a section. This is called on all the sections in | |
5459 | turn. */ | |
5460 | ||
5461 | void | |
98027b10 | 5462 | ppc_frob_section (asection *sec) |
252b5132 | 5463 | { |
931e13a6 | 5464 | static bfd_vma vma = 0; |
252b5132 | 5465 | |
931e13a6 | 5466 | vma = md_section_align (sec, vma); |
252b5132 RH |
5467 | bfd_set_section_vma (stdoutput, sec, vma); |
5468 | vma += bfd_section_size (stdoutput, sec); | |
5469 | } | |
5470 | ||
5471 | #endif /* OBJ_XCOFF */ | |
5472 | \f | |
252b5132 | 5473 | char * |
98027b10 | 5474 | md_atof (int type, char *litp, int *sizep) |
252b5132 | 5475 | { |
499ac353 | 5476 | return ieee_md_atof (type, litp, sizep, target_big_endian); |
252b5132 RH |
5477 | } |
5478 | ||
5479 | /* Write a value out to the object file, using the appropriate | |
5480 | endianness. */ | |
5481 | ||
5482 | void | |
98027b10 | 5483 | md_number_to_chars (char *buf, valueT val, int n) |
252b5132 RH |
5484 | { |
5485 | if (target_big_endian) | |
5486 | number_to_chars_bigendian (buf, val, n); | |
5487 | else | |
5488 | number_to_chars_littleendian (buf, val, n); | |
5489 | } | |
5490 | ||
5491 | /* Align a section (I don't know why this is machine dependent). */ | |
5492 | ||
5493 | valueT | |
3aeeedbb | 5494 | md_section_align (asection *seg ATTRIBUTE_UNUSED, valueT addr) |
252b5132 | 5495 | { |
3aeeedbb AM |
5496 | #ifdef OBJ_ELF |
5497 | return addr; | |
5498 | #else | |
252b5132 RH |
5499 | int align = bfd_get_section_alignment (stdoutput, seg); |
5500 | ||
5501 | return ((addr + (1 << align) - 1) & (-1 << align)); | |
3aeeedbb | 5502 | #endif |
252b5132 RH |
5503 | } |
5504 | ||
5505 | /* We don't have any form of relaxing. */ | |
5506 | ||
5507 | int | |
98027b10 AM |
5508 | md_estimate_size_before_relax (fragS *fragp ATTRIBUTE_UNUSED, |
5509 | asection *seg ATTRIBUTE_UNUSED) | |
252b5132 RH |
5510 | { |
5511 | abort (); | |
5512 | return 0; | |
5513 | } | |
5514 | ||
5515 | /* Convert a machine dependent frag. We never generate these. */ | |
5516 | ||
5517 | void | |
98027b10 AM |
5518 | md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, |
5519 | asection *sec ATTRIBUTE_UNUSED, | |
5520 | fragS *fragp ATTRIBUTE_UNUSED) | |
252b5132 RH |
5521 | { |
5522 | abort (); | |
5523 | } | |
5524 | ||
5525 | /* We have no need to default values of symbols. */ | |
5526 | ||
252b5132 | 5527 | symbolS * |
98027b10 | 5528 | md_undefined_symbol (char *name ATTRIBUTE_UNUSED) |
252b5132 RH |
5529 | { |
5530 | return 0; | |
5531 | } | |
5532 | \f | |
5533 | /* Functions concerning relocs. */ | |
5534 | ||
5535 | /* The location from which a PC relative jump should be calculated, | |
5536 | given a PC relative reloc. */ | |
5537 | ||
5538 | long | |
98027b10 | 5539 | md_pcrel_from_section (fixS *fixp, segT sec ATTRIBUTE_UNUSED) |
252b5132 RH |
5540 | { |
5541 | return fixp->fx_frag->fr_address + fixp->fx_where; | |
5542 | } | |
5543 | ||
5544 | #ifdef OBJ_XCOFF | |
5545 | ||
5546 | /* This is called to see whether a fixup should be adjusted to use a | |
5547 | section symbol. We take the opportunity to change a fixup against | |
5548 | a symbol in the TOC subsegment into a reloc against the | |
5549 | corresponding .tc symbol. */ | |
5550 | ||
5551 | int | |
98027b10 | 5552 | ppc_fix_adjustable (fixS *fix) |
252b5132 | 5553 | { |
b782de16 AM |
5554 | valueT val = resolve_symbol_value (fix->fx_addsy); |
5555 | segT symseg = S_GET_SEGMENT (fix->fx_addsy); | |
5556 | TC_SYMFIELD_TYPE *tc; | |
5557 | ||
5558 | if (symseg == absolute_section) | |
5559 | return 0; | |
252b5132 | 5560 | |
252b5132 | 5561 | if (ppc_toc_csect != (symbolS *) NULL |
252b5132 | 5562 | && fix->fx_addsy != ppc_toc_csect |
b782de16 | 5563 | && symseg == data_section |
252b5132 RH |
5564 | && val >= ppc_toc_frag->fr_address |
5565 | && (ppc_after_toc_frag == (fragS *) NULL | |
5566 | || val < ppc_after_toc_frag->fr_address)) | |
5567 | { | |
5568 | symbolS *sy; | |
5569 | ||
5570 | for (sy = symbol_next (ppc_toc_csect); | |
5571 | sy != (symbolS *) NULL; | |
5572 | sy = symbol_next (sy)) | |
5573 | { | |
b782de16 AM |
5574 | TC_SYMFIELD_TYPE *sy_tc = symbol_get_tc (sy); |
5575 | ||
96d56e9f | 5576 | if (sy_tc->symbol_class == XMC_TC0) |
252b5132 | 5577 | continue; |
96d56e9f | 5578 | if (sy_tc->symbol_class != XMC_TC) |
252b5132 | 5579 | break; |
b782de16 | 5580 | if (val == resolve_symbol_value (sy)) |
252b5132 RH |
5581 | { |
5582 | fix->fx_addsy = sy; | |
5583 | fix->fx_addnumber = val - ppc_toc_frag->fr_address; | |
5584 | return 0; | |
5585 | } | |
5586 | } | |
5587 | ||
5588 | as_bad_where (fix->fx_file, fix->fx_line, | |
5589 | _("symbol in .toc does not match any .tc")); | |
5590 | } | |
5591 | ||
5592 | /* Possibly adjust the reloc to be against the csect. */ | |
b782de16 AM |
5593 | tc = symbol_get_tc (fix->fx_addsy); |
5594 | if (tc->subseg == 0 | |
96d56e9f NC |
5595 | && tc->symbol_class != XMC_TC0 |
5596 | && tc->symbol_class != XMC_TC | |
b782de16 | 5597 | && symseg != bss_section |
252b5132 | 5598 | /* Don't adjust if this is a reloc in the toc section. */ |
b782de16 | 5599 | && (symseg != data_section |
252b5132 RH |
5600 | || ppc_toc_csect == NULL |
5601 | || val < ppc_toc_frag->fr_address | |
5602 | || (ppc_after_toc_frag != NULL | |
5603 | && val >= ppc_after_toc_frag->fr_address))) | |
5604 | { | |
5605 | symbolS *csect; | |
b782de16 | 5606 | symbolS *next_csect; |
252b5132 | 5607 | |
b782de16 | 5608 | if (symseg == text_section) |
252b5132 | 5609 | csect = ppc_text_csects; |
b782de16 | 5610 | else if (symseg == data_section) |
252b5132 RH |
5611 | csect = ppc_data_csects; |
5612 | else | |
5613 | abort (); | |
5614 | ||
5615 | /* Skip the initial dummy symbol. */ | |
809ffe0d | 5616 | csect = symbol_get_tc (csect)->next; |
252b5132 RH |
5617 | |
5618 | if (csect != (symbolS *) NULL) | |
5619 | { | |
b782de16 AM |
5620 | while ((next_csect = symbol_get_tc (csect)->next) != (symbolS *) NULL |
5621 | && (symbol_get_frag (next_csect)->fr_address <= val)) | |
252b5132 RH |
5622 | { |
5623 | /* If the csect address equals the symbol value, then we | |
99a814a1 AM |
5624 | have to look through the full symbol table to see |
5625 | whether this is the csect we want. Note that we will | |
5626 | only get here if the csect has zero length. */ | |
b782de16 AM |
5627 | if (symbol_get_frag (csect)->fr_address == val |
5628 | && S_GET_VALUE (csect) == val) | |
252b5132 RH |
5629 | { |
5630 | symbolS *scan; | |
5631 | ||
809ffe0d | 5632 | for (scan = symbol_next (csect); |
252b5132 | 5633 | scan != NULL; |
809ffe0d | 5634 | scan = symbol_next (scan)) |
252b5132 | 5635 | { |
809ffe0d | 5636 | if (symbol_get_tc (scan)->subseg != 0) |
252b5132 RH |
5637 | break; |
5638 | if (scan == fix->fx_addsy) | |
5639 | break; | |
5640 | } | |
5641 | ||
5642 | /* If we found the symbol before the next csect | |
99a814a1 | 5643 | symbol, then this is the csect we want. */ |
252b5132 RH |
5644 | if (scan == fix->fx_addsy) |
5645 | break; | |
5646 | } | |
5647 | ||
b782de16 | 5648 | csect = next_csect; |
252b5132 RH |
5649 | } |
5650 | ||
b782de16 | 5651 | fix->fx_offset += val - symbol_get_frag (csect)->fr_address; |
252b5132 RH |
5652 | fix->fx_addsy = csect; |
5653 | } | |
b782de16 | 5654 | return 0; |
252b5132 RH |
5655 | } |
5656 | ||
5657 | /* Adjust a reloc against a .lcomm symbol to be against the base | |
5658 | .lcomm. */ | |
b782de16 | 5659 | if (symseg == bss_section |
252b5132 RH |
5660 | && ! S_IS_EXTERNAL (fix->fx_addsy)) |
5661 | { | |
b782de16 AM |
5662 | symbolS *sy = symbol_get_frag (fix->fx_addsy)->fr_symbol; |
5663 | ||
5664 | fix->fx_offset += val - resolve_symbol_value (sy); | |
5665 | fix->fx_addsy = sy; | |
252b5132 RH |
5666 | } |
5667 | ||
5668 | return 0; | |
5669 | } | |
5670 | ||
5671 | /* A reloc from one csect to another must be kept. The assembler | |
5672 | will, of course, keep relocs between sections, and it will keep | |
5673 | absolute relocs, but we need to force it to keep PC relative relocs | |
5674 | between two csects in the same section. */ | |
5675 | ||
5676 | int | |
98027b10 | 5677 | ppc_force_relocation (fixS *fix) |
252b5132 RH |
5678 | { |
5679 | /* At this point fix->fx_addsy should already have been converted to | |
5680 | a csect symbol. If the csect does not include the fragment, then | |
5681 | we need to force the relocation. */ | |
5682 | if (fix->fx_pcrel | |
5683 | && fix->fx_addsy != NULL | |
809ffe0d ILT |
5684 | && symbol_get_tc (fix->fx_addsy)->subseg != 0 |
5685 | && ((symbol_get_frag (fix->fx_addsy)->fr_address | |
5686 | > fix->fx_frag->fr_address) | |
5687 | || (symbol_get_tc (fix->fx_addsy)->next != NULL | |
5688 | && (symbol_get_frag (symbol_get_tc (fix->fx_addsy)->next)->fr_address | |
252b5132 RH |
5689 | <= fix->fx_frag->fr_address)))) |
5690 | return 1; | |
5691 | ||
ae6063d4 | 5692 | return generic_force_reloc (fix); |
252b5132 RH |
5693 | } |
5694 | ||
5695 | #endif /* OBJ_XCOFF */ | |
5696 | ||
0baf16f2 | 5697 | #ifdef OBJ_ELF |
a161fe53 AM |
5698 | /* If this function returns non-zero, it guarantees that a relocation |
5699 | will be emitted for a fixup. */ | |
5700 | ||
5701 | int | |
98027b10 | 5702 | ppc_force_relocation (fixS *fix) |
a161fe53 AM |
5703 | { |
5704 | /* Branch prediction relocations must force a relocation, as must | |
5705 | the vtable description relocs. */ | |
5706 | switch (fix->fx_r_type) | |
5707 | { | |
5708 | case BFD_RELOC_PPC_B16_BRTAKEN: | |
5709 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
5710 | case BFD_RELOC_PPC_BA16_BRTAKEN: | |
5711 | case BFD_RELOC_PPC_BA16_BRNTAKEN: | |
c744ecf2 | 5712 | case BFD_RELOC_24_PLT_PCREL: |
a161fe53 | 5713 | case BFD_RELOC_PPC64_TOC: |
a161fe53 AM |
5714 | return 1; |
5715 | default: | |
5716 | break; | |
5717 | } | |
5718 | ||
cdba85ec AM |
5719 | if (fix->fx_r_type >= BFD_RELOC_PPC_TLS |
5720 | && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA) | |
5721 | return 1; | |
5722 | ||
ae6063d4 | 5723 | return generic_force_reloc (fix); |
a161fe53 AM |
5724 | } |
5725 | ||
0baf16f2 | 5726 | int |
98027b10 | 5727 | ppc_fix_adjustable (fixS *fix) |
252b5132 | 5728 | { |
0baf16f2 AM |
5729 | return (fix->fx_r_type != BFD_RELOC_16_GOTOFF |
5730 | && fix->fx_r_type != BFD_RELOC_LO16_GOTOFF | |
5731 | && fix->fx_r_type != BFD_RELOC_HI16_GOTOFF | |
5732 | && fix->fx_r_type != BFD_RELOC_HI16_S_GOTOFF | |
5733 | && fix->fx_r_type != BFD_RELOC_GPREL16 | |
5734 | && fix->fx_r_type != BFD_RELOC_VTABLE_INHERIT | |
5735 | && fix->fx_r_type != BFD_RELOC_VTABLE_ENTRY | |
cdba85ec | 5736 | && !(fix->fx_r_type >= BFD_RELOC_PPC_TLS |
ab1e9ef7 | 5737 | && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA)); |
252b5132 | 5738 | } |
0baf16f2 | 5739 | #endif |
252b5132 | 5740 | |
3aeeedbb AM |
5741 | /* Implement HANDLE_ALIGN. This writes the NOP pattern into an |
5742 | rs_align_code frag. */ | |
5743 | ||
5744 | void | |
5745 | ppc_handle_align (struct frag *fragP) | |
5746 | { | |
5747 | valueT count = (fragP->fr_next->fr_address | |
5748 | - (fragP->fr_address + fragP->fr_fix)); | |
5749 | ||
5750 | if (count != 0 && (count & 3) == 0) | |
5751 | { | |
5752 | char *dest = fragP->fr_literal + fragP->fr_fix; | |
5753 | ||
5754 | fragP->fr_var = 4; | |
5755 | md_number_to_chars (dest, 0x60000000, 4); | |
5756 | ||
42240548 PB |
5757 | if ((ppc_cpu & PPC_OPCODE_POWER6) != 0 |
5758 | || (ppc_cpu & PPC_OPCODE_POWER7) != 0) | |
3aeeedbb | 5759 | { |
42240548 PB |
5760 | /* For power6 and power7, we want the last nop to be a group |
5761 | terminating one. Do this by inserting an rs_fill frag immediately | |
5762 | after this one, with its address set to the last nop location. | |
5763 | This will automatically reduce the number of nops in the current | |
5764 | frag by one. */ | |
3aeeedbb AM |
5765 | if (count > 4) |
5766 | { | |
5767 | struct frag *group_nop = xmalloc (SIZEOF_STRUCT_FRAG + 4); | |
5768 | ||
5769 | memcpy (group_nop, fragP, SIZEOF_STRUCT_FRAG); | |
5770 | group_nop->fr_address = group_nop->fr_next->fr_address - 4; | |
5771 | group_nop->fr_fix = 0; | |
5772 | group_nop->fr_offset = 1; | |
5773 | group_nop->fr_type = rs_fill; | |
5774 | fragP->fr_next = group_nop; | |
5775 | dest = group_nop->fr_literal; | |
5776 | } | |
5777 | ||
42240548 PB |
5778 | if ((ppc_cpu & PPC_OPCODE_POWER7) != 0) |
5779 | /* power7 group terminating nop: "ori 2,2,0". */ | |
5780 | md_number_to_chars (dest, 0x60420000, 4); | |
5781 | else | |
5782 | /* power6 group terminating nop: "ori 1,1,0". */ | |
5783 | md_number_to_chars (dest, 0x60210000, 4); | |
3aeeedbb AM |
5784 | } |
5785 | } | |
5786 | } | |
5787 | ||
252b5132 RH |
5788 | /* Apply a fixup to the object code. This is called for all the |
5789 | fixups we generated by the call to fix_new_exp, above. In the call | |
5790 | above we used a reloc code which was the largest legal reloc code | |
5791 | plus the operand index. Here we undo that to recover the operand | |
5792 | index. At this point all symbol values should be fully resolved, | |
5793 | and we attempt to completely resolve the reloc. If we can not do | |
5794 | that, we determine the correct reloc code and put it back in the | |
5795 | fixup. */ | |
5796 | ||
94f592af | 5797 | void |
98027b10 | 5798 | md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) |
252b5132 | 5799 | { |
94f592af | 5800 | valueT value = * valP; |
252b5132 RH |
5801 | |
5802 | #ifdef OBJ_ELF | |
94f592af | 5803 | if (fixP->fx_addsy != NULL) |
252b5132 | 5804 | { |
a161fe53 | 5805 | /* Hack around bfd_install_relocation brain damage. */ |
94f592af NC |
5806 | if (fixP->fx_pcrel) |
5807 | value += fixP->fx_frag->fr_address + fixP->fx_where; | |
252b5132 RH |
5808 | } |
5809 | else | |
94f592af | 5810 | fixP->fx_done = 1; |
252b5132 | 5811 | #else |
a161fe53 | 5812 | /* FIXME FIXME FIXME: The value we are passed in *valP includes |
7be1c489 AM |
5813 | the symbol values. If we are doing this relocation the code in |
5814 | write.c is going to call bfd_install_relocation, which is also | |
5815 | going to use the symbol value. That means that if the reloc is | |
5816 | fully resolved we want to use *valP since bfd_install_relocation is | |
5817 | not being used. | |
9f0eb232 RS |
5818 | However, if the reloc is not fully resolved we do not want to |
5819 | use *valP, and must use fx_offset instead. If the relocation | |
5820 | is PC-relative, we then need to re-apply md_pcrel_from_section | |
5821 | to this new relocation value. */ | |
94f592af NC |
5822 | if (fixP->fx_addsy == (symbolS *) NULL) |
5823 | fixP->fx_done = 1; | |
5824 | ||
252b5132 | 5825 | else |
9f0eb232 RS |
5826 | { |
5827 | value = fixP->fx_offset; | |
5828 | if (fixP->fx_pcrel) | |
5829 | value -= md_pcrel_from_section (fixP, seg); | |
5830 | } | |
a161fe53 AM |
5831 | #endif |
5832 | ||
5833 | if (fixP->fx_subsy != (symbolS *) NULL) | |
252b5132 | 5834 | { |
a161fe53 AM |
5835 | /* We can't actually support subtracting a symbol. */ |
5836 | as_bad_where (fixP->fx_file, fixP->fx_line, _("expression too complex")); | |
252b5132 | 5837 | } |
252b5132 | 5838 | |
94f592af | 5839 | if ((int) fixP->fx_r_type >= (int) BFD_RELOC_UNUSED) |
252b5132 RH |
5840 | { |
5841 | int opindex; | |
5842 | const struct powerpc_operand *operand; | |
5843 | char *where; | |
5844 | unsigned long insn; | |
5845 | ||
94f592af | 5846 | opindex = (int) fixP->fx_r_type - (int) BFD_RELOC_UNUSED; |
252b5132 RH |
5847 | |
5848 | operand = &powerpc_operands[opindex]; | |
5849 | ||
5850 | #ifdef OBJ_XCOFF | |
0baf16f2 AM |
5851 | /* An instruction like `lwz 9,sym(30)' when `sym' is not a TOC symbol |
5852 | does not generate a reloc. It uses the offset of `sym' within its | |
5853 | csect. Other usages, such as `.long sym', generate relocs. This | |
5854 | is the documented behaviour of non-TOC symbols. */ | |
252b5132 | 5855 | if ((operand->flags & PPC_OPERAND_PARENS) != 0 |
b84bf58a | 5856 | && (operand->bitm & 0xfff0) == 0xfff0 |
252b5132 | 5857 | && operand->shift == 0 |
2b3c4602 | 5858 | && (operand->insert == NULL || ppc_obj64) |
94f592af NC |
5859 | && fixP->fx_addsy != NULL |
5860 | && symbol_get_tc (fixP->fx_addsy)->subseg != 0 | |
96d56e9f NC |
5861 | && symbol_get_tc (fixP->fx_addsy)->symbol_class != XMC_TC |
5862 | && symbol_get_tc (fixP->fx_addsy)->symbol_class != XMC_TC0 | |
94f592af | 5863 | && S_GET_SEGMENT (fixP->fx_addsy) != bss_section) |
252b5132 | 5864 | { |
94f592af NC |
5865 | value = fixP->fx_offset; |
5866 | fixP->fx_done = 1; | |
252b5132 RH |
5867 | } |
5868 | #endif | |
5869 | ||
5870 | /* Fetch the instruction, insert the fully resolved operand | |
5871 | value, and stuff the instruction back again. */ | |
94f592af | 5872 | where = fixP->fx_frag->fr_literal + fixP->fx_where; |
252b5132 RH |
5873 | if (target_big_endian) |
5874 | insn = bfd_getb32 ((unsigned char *) where); | |
5875 | else | |
5876 | insn = bfd_getl32 ((unsigned char *) where); | |
5877 | insn = ppc_insert_operand (insn, operand, (offsetT) value, | |
783de163 | 5878 | fixP->tc_fix_data.ppc_cpu, |
94f592af | 5879 | fixP->fx_file, fixP->fx_line); |
252b5132 RH |
5880 | if (target_big_endian) |
5881 | bfd_putb32 ((bfd_vma) insn, (unsigned char *) where); | |
5882 | else | |
5883 | bfd_putl32 ((bfd_vma) insn, (unsigned char *) where); | |
5884 | ||
94f592af NC |
5885 | if (fixP->fx_done) |
5886 | /* Nothing else to do here. */ | |
5887 | return; | |
252b5132 | 5888 | |
9c2799c2 | 5889 | gas_assert (fixP->fx_addsy != NULL); |
0baf16f2 | 5890 | |
252b5132 RH |
5891 | /* Determine a BFD reloc value based on the operand information. |
5892 | We are only prepared to turn a few of the operands into | |
0baf16f2 | 5893 | relocs. */ |
11b37b7b | 5894 | if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 |
b84bf58a | 5895 | && operand->bitm == 0x3fffffc |
11b37b7b | 5896 | && operand->shift == 0) |
94f592af | 5897 | fixP->fx_r_type = BFD_RELOC_PPC_B26; |
11b37b7b | 5898 | else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 |
b84bf58a | 5899 | && operand->bitm == 0xfffc |
11b37b7b | 5900 | && operand->shift == 0) |
95210096 AM |
5901 | { |
5902 | fixP->fx_r_type = BFD_RELOC_PPC_B16; | |
5903 | #ifdef OBJ_XCOFF | |
5904 | fixP->fx_size = 2; | |
5905 | if (target_big_endian) | |
5906 | fixP->fx_where += 2; | |
5907 | #endif | |
5908 | } | |
11b37b7b | 5909 | else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0 |
b84bf58a | 5910 | && operand->bitm == 0x3fffffc |
11b37b7b | 5911 | && operand->shift == 0) |
94f592af | 5912 | fixP->fx_r_type = BFD_RELOC_PPC_BA26; |
11b37b7b | 5913 | else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0 |
b84bf58a | 5914 | && operand->bitm == 0xfffc |
11b37b7b | 5915 | && operand->shift == 0) |
95210096 AM |
5916 | { |
5917 | fixP->fx_r_type = BFD_RELOC_PPC_BA16; | |
5918 | #ifdef OBJ_XCOFF | |
5919 | fixP->fx_size = 2; | |
5920 | if (target_big_endian) | |
5921 | fixP->fx_where += 2; | |
5922 | #endif | |
5923 | } | |
0baf16f2 | 5924 | #if defined (OBJ_XCOFF) || defined (OBJ_ELF) |
11b37b7b | 5925 | else if ((operand->flags & PPC_OPERAND_PARENS) != 0 |
b84bf58a | 5926 | && (operand->bitm & 0xfff0) == 0xfff0 |
a7fc733f | 5927 | && operand->shift == 0) |
11b37b7b | 5928 | { |
a7fc733f AM |
5929 | if (ppc_is_toc_sym (fixP->fx_addsy)) |
5930 | { | |
5931 | fixP->fx_r_type = BFD_RELOC_PPC_TOC16; | |
0baf16f2 | 5932 | #ifdef OBJ_ELF |
a7fc733f AM |
5933 | if (ppc_obj64 |
5934 | && (operand->flags & PPC_OPERAND_DS) != 0) | |
5935 | fixP->fx_r_type = BFD_RELOC_PPC64_TOC16_DS; | |
5936 | #endif | |
5937 | } | |
5938 | else | |
5939 | { | |
5940 | fixP->fx_r_type = BFD_RELOC_16; | |
5941 | #ifdef OBJ_ELF | |
5942 | if (ppc_obj64 | |
5943 | && (operand->flags & PPC_OPERAND_DS) != 0) | |
5944 | fixP->fx_r_type = BFD_RELOC_PPC64_ADDR16_DS; | |
0baf16f2 | 5945 | #endif |
a7fc733f | 5946 | } |
94f592af | 5947 | fixP->fx_size = 2; |
11b37b7b | 5948 | if (target_big_endian) |
94f592af | 5949 | fixP->fx_where += 2; |
11b37b7b | 5950 | } |
0baf16f2 | 5951 | #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */ |
11b37b7b | 5952 | else |
252b5132 RH |
5953 | { |
5954 | char *sfile; | |
5955 | unsigned int sline; | |
5956 | ||
5957 | /* Use expr_symbol_where to see if this is an expression | |
0baf16f2 | 5958 | symbol. */ |
94f592af NC |
5959 | if (expr_symbol_where (fixP->fx_addsy, &sfile, &sline)) |
5960 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
252b5132 RH |
5961 | _("unresolved expression that must be resolved")); |
5962 | else | |
94f592af | 5963 | as_bad_where (fixP->fx_file, fixP->fx_line, |
0baf16f2 | 5964 | _("unsupported relocation against %s"), |
94f592af NC |
5965 | S_GET_NAME (fixP->fx_addsy)); |
5966 | fixP->fx_done = 1; | |
5967 | return; | |
252b5132 RH |
5968 | } |
5969 | } | |
5970 | else | |
5971 | { | |
5972 | #ifdef OBJ_ELF | |
94f592af | 5973 | ppc_elf_validate_fix (fixP, seg); |
252b5132 | 5974 | #endif |
94f592af | 5975 | switch (fixP->fx_r_type) |
252b5132 | 5976 | { |
252b5132 | 5977 | case BFD_RELOC_CTOR: |
2b3c4602 | 5978 | if (ppc_obj64) |
9c7977b3 AM |
5979 | goto ctor64; |
5980 | /* fall through */ | |
5981 | ||
0baf16f2 | 5982 | case BFD_RELOC_32: |
94f592af NC |
5983 | if (fixP->fx_pcrel) |
5984 | fixP->fx_r_type = BFD_RELOC_32_PCREL; | |
99a814a1 | 5985 | /* fall through */ |
252b5132 RH |
5986 | |
5987 | case BFD_RELOC_RVA: | |
5988 | case BFD_RELOC_32_PCREL: | |
252b5132 | 5989 | case BFD_RELOC_PPC_EMB_NADDR32: |
94f592af | 5990 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
252b5132 RH |
5991 | value, 4); |
5992 | break; | |
5993 | ||
7f6d05e8 | 5994 | case BFD_RELOC_64: |
9c7977b3 | 5995 | ctor64: |
94f592af NC |
5996 | if (fixP->fx_pcrel) |
5997 | fixP->fx_r_type = BFD_RELOC_64_PCREL; | |
99a814a1 | 5998 | /* fall through */ |
0baf16f2 | 5999 | |
7f6d05e8 | 6000 | case BFD_RELOC_64_PCREL: |
94f592af | 6001 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
7f6d05e8 | 6002 | value, 8); |
81d4177b | 6003 | break; |
0baf16f2 | 6004 | |
252b5132 RH |
6005 | case BFD_RELOC_GPREL16: |
6006 | case BFD_RELOC_16_GOT_PCREL: | |
6007 | case BFD_RELOC_16_GOTOFF: | |
6008 | case BFD_RELOC_LO16_GOTOFF: | |
6009 | case BFD_RELOC_HI16_GOTOFF: | |
6010 | case BFD_RELOC_HI16_S_GOTOFF: | |
1cfc59d5 | 6011 | case BFD_RELOC_16_BASEREL: |
252b5132 RH |
6012 | case BFD_RELOC_LO16_BASEREL: |
6013 | case BFD_RELOC_HI16_BASEREL: | |
6014 | case BFD_RELOC_HI16_S_BASEREL: | |
6015 | case BFD_RELOC_PPC_EMB_NADDR16: | |
6016 | case BFD_RELOC_PPC_EMB_NADDR16_LO: | |
6017 | case BFD_RELOC_PPC_EMB_NADDR16_HI: | |
6018 | case BFD_RELOC_PPC_EMB_NADDR16_HA: | |
6019 | case BFD_RELOC_PPC_EMB_SDAI16: | |
6020 | case BFD_RELOC_PPC_EMB_SDA2REL: | |
6021 | case BFD_RELOC_PPC_EMB_SDA2I16: | |
6022 | case BFD_RELOC_PPC_EMB_RELSEC16: | |
6023 | case BFD_RELOC_PPC_EMB_RELST_LO: | |
6024 | case BFD_RELOC_PPC_EMB_RELST_HI: | |
6025 | case BFD_RELOC_PPC_EMB_RELST_HA: | |
6026 | case BFD_RELOC_PPC_EMB_RELSDA: | |
6027 | case BFD_RELOC_PPC_TOC16: | |
0baf16f2 | 6028 | #ifdef OBJ_ELF |
0baf16f2 AM |
6029 | case BFD_RELOC_PPC64_TOC16_LO: |
6030 | case BFD_RELOC_PPC64_TOC16_HI: | |
6031 | case BFD_RELOC_PPC64_TOC16_HA: | |
0baf16f2 | 6032 | #endif |
94f592af | 6033 | if (fixP->fx_pcrel) |
252b5132 | 6034 | { |
94f592af NC |
6035 | if (fixP->fx_addsy != NULL) |
6036 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
252b5132 | 6037 | _("cannot emit PC relative %s relocation against %s"), |
94f592af NC |
6038 | bfd_get_reloc_code_name (fixP->fx_r_type), |
6039 | S_GET_NAME (fixP->fx_addsy)); | |
252b5132 | 6040 | else |
94f592af | 6041 | as_bad_where (fixP->fx_file, fixP->fx_line, |
252b5132 | 6042 | _("cannot emit PC relative %s relocation"), |
94f592af | 6043 | bfd_get_reloc_code_name (fixP->fx_r_type)); |
252b5132 RH |
6044 | } |
6045 | ||
94f592af | 6046 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
252b5132 RH |
6047 | value, 2); |
6048 | break; | |
6049 | ||
3c9d25f4 AM |
6050 | case BFD_RELOC_16: |
6051 | if (fixP->fx_pcrel) | |
6052 | fixP->fx_r_type = BFD_RELOC_16_PCREL; | |
6053 | /* fall through */ | |
6054 | ||
6055 | case BFD_RELOC_16_PCREL: | |
6056 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, | |
6057 | value, 2); | |
6058 | break; | |
6059 | ||
6060 | case BFD_RELOC_LO16: | |
6061 | if (fixP->fx_pcrel) | |
6062 | fixP->fx_r_type = BFD_RELOC_LO16_PCREL; | |
6063 | /* fall through */ | |
6064 | ||
6065 | case BFD_RELOC_LO16_PCREL: | |
6066 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, | |
6067 | value, 2); | |
6068 | break; | |
6069 | ||
252b5132 RH |
6070 | /* This case happens when you write, for example, |
6071 | lis %r3,(L1-L2)@ha | |
6072 | where L1 and L2 are defined later. */ | |
6073 | case BFD_RELOC_HI16: | |
94f592af | 6074 | if (fixP->fx_pcrel) |
3c9d25f4 AM |
6075 | fixP->fx_r_type = BFD_RELOC_HI16_PCREL; |
6076 | /* fall through */ | |
6077 | ||
6078 | case BFD_RELOC_HI16_PCREL: | |
94f592af | 6079 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 | 6080 | PPC_HI (value), 2); |
252b5132 | 6081 | break; |
0baf16f2 | 6082 | |
252b5132 | 6083 | case BFD_RELOC_HI16_S: |
94f592af | 6084 | if (fixP->fx_pcrel) |
3c9d25f4 AM |
6085 | fixP->fx_r_type = BFD_RELOC_HI16_S_PCREL; |
6086 | /* fall through */ | |
6087 | ||
6088 | case BFD_RELOC_HI16_S_PCREL: | |
94f592af | 6089 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
6090 | PPC_HA (value), 2); |
6091 | break; | |
6092 | ||
c865e45b RS |
6093 | #ifdef OBJ_XCOFF |
6094 | case BFD_RELOC_NONE: | |
6095 | break; | |
6096 | #endif | |
6097 | ||
0baf16f2 | 6098 | #ifdef OBJ_ELF |
0baf16f2 | 6099 | case BFD_RELOC_PPC64_HIGHER: |
94f592af | 6100 | if (fixP->fx_pcrel) |
0baf16f2 | 6101 | abort (); |
94f592af | 6102 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 | 6103 | PPC_HIGHER (value), 2); |
252b5132 RH |
6104 | break; |
6105 | ||
0baf16f2 | 6106 | case BFD_RELOC_PPC64_HIGHER_S: |
94f592af | 6107 | if (fixP->fx_pcrel) |
0baf16f2 | 6108 | abort (); |
94f592af | 6109 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
6110 | PPC_HIGHERA (value), 2); |
6111 | break; | |
6112 | ||
6113 | case BFD_RELOC_PPC64_HIGHEST: | |
94f592af | 6114 | if (fixP->fx_pcrel) |
0baf16f2 | 6115 | abort (); |
94f592af | 6116 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
6117 | PPC_HIGHEST (value), 2); |
6118 | break; | |
6119 | ||
6120 | case BFD_RELOC_PPC64_HIGHEST_S: | |
94f592af | 6121 | if (fixP->fx_pcrel) |
0baf16f2 | 6122 | abort (); |
94f592af | 6123 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, |
0baf16f2 AM |
6124 | PPC_HIGHESTA (value), 2); |
6125 | break; | |
6126 | ||
6127 | case BFD_RELOC_PPC64_ADDR16_DS: | |
6128 | case BFD_RELOC_PPC64_ADDR16_LO_DS: | |
6129 | case BFD_RELOC_PPC64_GOT16_DS: | |
6130 | case BFD_RELOC_PPC64_GOT16_LO_DS: | |
6131 | case BFD_RELOC_PPC64_PLT16_LO_DS: | |
6132 | case BFD_RELOC_PPC64_SECTOFF_DS: | |
6133 | case BFD_RELOC_PPC64_SECTOFF_LO_DS: | |
6134 | case BFD_RELOC_PPC64_TOC16_DS: | |
6135 | case BFD_RELOC_PPC64_TOC16_LO_DS: | |
6136 | case BFD_RELOC_PPC64_PLTGOT16_DS: | |
6137 | case BFD_RELOC_PPC64_PLTGOT16_LO_DS: | |
94f592af | 6138 | if (fixP->fx_pcrel) |
0baf16f2 AM |
6139 | abort (); |
6140 | { | |
2132e3a3 | 6141 | char *where = fixP->fx_frag->fr_literal + fixP->fx_where; |
3d8aea2f | 6142 | unsigned long val, mask; |
0baf16f2 AM |
6143 | |
6144 | if (target_big_endian) | |
adadcc0c | 6145 | val = bfd_getb32 (where - 2); |
0baf16f2 | 6146 | else |
adadcc0c AM |
6147 | val = bfd_getl32 (where); |
6148 | mask = 0xfffc; | |
6149 | /* lq insns reserve the four lsbs. */ | |
6150 | if ((ppc_cpu & PPC_OPCODE_POWER4) != 0 | |
77a6138a | 6151 | && (val & (0x3f << 26)) == (56u << 26)) |
adadcc0c AM |
6152 | mask = 0xfff0; |
6153 | val |= value & mask; | |
0baf16f2 AM |
6154 | if (target_big_endian) |
6155 | bfd_putb16 ((bfd_vma) val, where); | |
6156 | else | |
6157 | bfd_putl16 ((bfd_vma) val, where); | |
6158 | } | |
6159 | break; | |
cdba85ec | 6160 | |
ba0b2174 AM |
6161 | case BFD_RELOC_PPC_B16_BRTAKEN: |
6162 | case BFD_RELOC_PPC_B16_BRNTAKEN: | |
6163 | case BFD_RELOC_PPC_BA16_BRTAKEN: | |
6164 | case BFD_RELOC_PPC_BA16_BRNTAKEN: | |
6165 | break; | |
6166 | ||
cdba85ec | 6167 | case BFD_RELOC_PPC_TLS: |
727fc41e AM |
6168 | case BFD_RELOC_PPC_TLSGD: |
6169 | case BFD_RELOC_PPC_TLSLD: | |
7c1d0959 L |
6170 | break; |
6171 | ||
cdba85ec AM |
6172 | case BFD_RELOC_PPC_DTPMOD: |
6173 | case BFD_RELOC_PPC_TPREL16: | |
6174 | case BFD_RELOC_PPC_TPREL16_LO: | |
6175 | case BFD_RELOC_PPC_TPREL16_HI: | |
6176 | case BFD_RELOC_PPC_TPREL16_HA: | |
6177 | case BFD_RELOC_PPC_TPREL: | |
6178 | case BFD_RELOC_PPC_DTPREL16: | |
6179 | case BFD_RELOC_PPC_DTPREL16_LO: | |
6180 | case BFD_RELOC_PPC_DTPREL16_HI: | |
6181 | case BFD_RELOC_PPC_DTPREL16_HA: | |
6182 | case BFD_RELOC_PPC_DTPREL: | |
6183 | case BFD_RELOC_PPC_GOT_TLSGD16: | |
6184 | case BFD_RELOC_PPC_GOT_TLSGD16_LO: | |
6185 | case BFD_RELOC_PPC_GOT_TLSGD16_HI: | |
6186 | case BFD_RELOC_PPC_GOT_TLSGD16_HA: | |
6187 | case BFD_RELOC_PPC_GOT_TLSLD16: | |
6188 | case BFD_RELOC_PPC_GOT_TLSLD16_LO: | |
6189 | case BFD_RELOC_PPC_GOT_TLSLD16_HI: | |
6190 | case BFD_RELOC_PPC_GOT_TLSLD16_HA: | |
6191 | case BFD_RELOC_PPC_GOT_TPREL16: | |
6192 | case BFD_RELOC_PPC_GOT_TPREL16_LO: | |
6193 | case BFD_RELOC_PPC_GOT_TPREL16_HI: | |
6194 | case BFD_RELOC_PPC_GOT_TPREL16_HA: | |
6195 | case BFD_RELOC_PPC_GOT_DTPREL16: | |
6196 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: | |
6197 | case BFD_RELOC_PPC_GOT_DTPREL16_HI: | |
6198 | case BFD_RELOC_PPC_GOT_DTPREL16_HA: | |
6199 | case BFD_RELOC_PPC64_TPREL16_DS: | |
6200 | case BFD_RELOC_PPC64_TPREL16_LO_DS: | |
6201 | case BFD_RELOC_PPC64_TPREL16_HIGHER: | |
6202 | case BFD_RELOC_PPC64_TPREL16_HIGHERA: | |
6203 | case BFD_RELOC_PPC64_TPREL16_HIGHEST: | |
6204 | case BFD_RELOC_PPC64_TPREL16_HIGHESTA: | |
6205 | case BFD_RELOC_PPC64_DTPREL16_DS: | |
6206 | case BFD_RELOC_PPC64_DTPREL16_LO_DS: | |
6207 | case BFD_RELOC_PPC64_DTPREL16_HIGHER: | |
6208 | case BFD_RELOC_PPC64_DTPREL16_HIGHERA: | |
6209 | case BFD_RELOC_PPC64_DTPREL16_HIGHEST: | |
6210 | case BFD_RELOC_PPC64_DTPREL16_HIGHESTA: | |
7c1d0959 | 6211 | S_SET_THREAD_LOCAL (fixP->fx_addsy); |
cdba85ec | 6212 | break; |
0baf16f2 | 6213 | #endif |
252b5132 | 6214 | /* Because SDA21 modifies the register field, the size is set to 4 |
99a814a1 | 6215 | bytes, rather than 2, so offset it here appropriately. */ |
252b5132 | 6216 | case BFD_RELOC_PPC_EMB_SDA21: |
94f592af | 6217 | if (fixP->fx_pcrel) |
252b5132 RH |
6218 | abort (); |
6219 | ||
94f592af | 6220 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where |
252b5132 RH |
6221 | + ((target_big_endian) ? 2 : 0), |
6222 | value, 2); | |
6223 | break; | |
6224 | ||
6225 | case BFD_RELOC_8: | |
94f592af | 6226 | if (fixP->fx_pcrel) |
31a91399 NC |
6227 | { |
6228 | /* This can occur if there is a bug in the input assembler, eg: | |
b7d7dc63 | 6229 | ".byte <undefined_symbol> - ." */ |
31a91399 NC |
6230 | if (fixP->fx_addsy) |
6231 | as_bad (_("Unable to handle reference to symbol %s"), | |
6232 | S_GET_NAME (fixP->fx_addsy)); | |
6233 | else | |
6234 | as_bad (_("Unable to resolve expression")); | |
6235 | fixP->fx_done = 1; | |
6236 | } | |
6237 | else | |
6238 | md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, | |
6239 | value, 1); | |
252b5132 RH |
6240 | break; |
6241 | ||
6242 | case BFD_RELOC_24_PLT_PCREL: | |
6243 | case BFD_RELOC_PPC_LOCAL24PC: | |
94f592af | 6244 | if (!fixP->fx_pcrel && !fixP->fx_done) |
252b5132 RH |
6245 | abort (); |
6246 | ||
94f592af | 6247 | if (fixP->fx_done) |
99a814a1 AM |
6248 | { |
6249 | char *where; | |
6250 | unsigned long insn; | |
6251 | ||
6252 | /* Fetch the instruction, insert the fully resolved operand | |
6253 | value, and stuff the instruction back again. */ | |
94f592af | 6254 | where = fixP->fx_frag->fr_literal + fixP->fx_where; |
99a814a1 AM |
6255 | if (target_big_endian) |
6256 | insn = bfd_getb32 ((unsigned char *) where); | |
6257 | else | |
6258 | insn = bfd_getl32 ((unsigned char *) where); | |
6259 | if ((value & 3) != 0) | |
94f592af | 6260 | as_bad_where (fixP->fx_file, fixP->fx_line, |
99a814a1 AM |
6261 | _("must branch to an address a multiple of 4")); |
6262 | if ((offsetT) value < -0x40000000 | |
6263 | || (offsetT) value >= 0x40000000) | |
94f592af | 6264 | as_bad_where (fixP->fx_file, fixP->fx_line, |
99a814a1 AM |
6265 | _("@local or @plt branch destination is too far away, %ld bytes"), |
6266 | (long) value); | |
6267 | insn = insn | (value & 0x03fffffc); | |
6268 | if (target_big_endian) | |
6269 | bfd_putb32 ((bfd_vma) insn, (unsigned char *) where); | |
6270 | else | |
6271 | bfd_putl32 ((bfd_vma) insn, (unsigned char *) where); | |
6272 | } | |
252b5132 RH |
6273 | break; |
6274 | ||
6275 | case BFD_RELOC_VTABLE_INHERIT: | |
94f592af NC |
6276 | fixP->fx_done = 0; |
6277 | if (fixP->fx_addsy | |
6278 | && !S_IS_DEFINED (fixP->fx_addsy) | |
6279 | && !S_IS_WEAK (fixP->fx_addsy)) | |
6280 | S_SET_WEAK (fixP->fx_addsy); | |
252b5132 RH |
6281 | break; |
6282 | ||
6283 | case BFD_RELOC_VTABLE_ENTRY: | |
94f592af | 6284 | fixP->fx_done = 0; |
252b5132 RH |
6285 | break; |
6286 | ||
0baf16f2 | 6287 | #ifdef OBJ_ELF |
0baf16f2 AM |
6288 | /* Generated by reference to `sym@tocbase'. The sym is |
6289 | ignored by the linker. */ | |
6290 | case BFD_RELOC_PPC64_TOC: | |
94f592af | 6291 | fixP->fx_done = 0; |
0baf16f2 | 6292 | break; |
0baf16f2 | 6293 | #endif |
252b5132 | 6294 | default: |
bc805888 | 6295 | fprintf (stderr, |
94f592af | 6296 | _("Gas failure, reloc value %d\n"), fixP->fx_r_type); |
99a814a1 | 6297 | fflush (stderr); |
252b5132 RH |
6298 | abort (); |
6299 | } | |
6300 | } | |
6301 | ||
6302 | #ifdef OBJ_ELF | |
94f592af | 6303 | fixP->fx_addnumber = value; |
4e6935a6 AM |
6304 | |
6305 | /* PowerPC uses RELA relocs, ie. the reloc addend is stored separately | |
6306 | from the section contents. If we are going to be emitting a reloc | |
6307 | then the section contents are immaterial, so don't warn if they | |
6308 | happen to overflow. Leave such warnings to ld. */ | |
6309 | if (!fixP->fx_done) | |
6310 | fixP->fx_no_overflow = 1; | |
252b5132 | 6311 | #else |
94f592af NC |
6312 | if (fixP->fx_r_type != BFD_RELOC_PPC_TOC16) |
6313 | fixP->fx_addnumber = 0; | |
252b5132 RH |
6314 | else |
6315 | { | |
6316 | #ifdef TE_PE | |
94f592af | 6317 | fixP->fx_addnumber = 0; |
252b5132 | 6318 | #else |
8edcbfcd TG |
6319 | /* We want to use the offset within the toc, not the actual VMA |
6320 | of the symbol. */ | |
94f592af | 6321 | fixP->fx_addnumber = |
8edcbfcd TG |
6322 | - bfd_get_section_vma (stdoutput, S_GET_SEGMENT (fixP->fx_addsy)) |
6323 | - S_GET_VALUE (ppc_toc_csect); | |
252b5132 RH |
6324 | #endif |
6325 | } | |
6326 | #endif | |
252b5132 RH |
6327 | } |
6328 | ||
6329 | /* Generate a reloc for a fixup. */ | |
6330 | ||
6331 | arelent * | |
98027b10 | 6332 | tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED, fixS *fixp) |
252b5132 RH |
6333 | { |
6334 | arelent *reloc; | |
6335 | ||
6336 | reloc = (arelent *) xmalloc (sizeof (arelent)); | |
6337 | ||
49309057 ILT |
6338 | reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); |
6339 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
252b5132 RH |
6340 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; |
6341 | reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type); | |
6342 | if (reloc->howto == (reloc_howto_type *) NULL) | |
6343 | { | |
6344 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
99a814a1 AM |
6345 | _("reloc %d not supported by object file format"), |
6346 | (int) fixp->fx_r_type); | |
252b5132 RH |
6347 | return NULL; |
6348 | } | |
6349 | reloc->addend = fixp->fx_addnumber; | |
6350 | ||
6351 | return reloc; | |
6352 | } | |
75e21f08 JJ |
6353 | |
6354 | void | |
98027b10 | 6355 | ppc_cfi_frame_initial_instructions (void) |
75e21f08 JJ |
6356 | { |
6357 | cfi_add_CFA_def_cfa (1, 0); | |
6358 | } | |
6359 | ||
6360 | int | |
1df69f4f | 6361 | tc_ppc_regname_to_dw2regnum (char *regname) |
75e21f08 JJ |
6362 | { |
6363 | unsigned int regnum = -1; | |
6364 | unsigned int i; | |
6365 | const char *p; | |
6366 | char *q; | |
6367 | static struct { char *name; int dw2regnum; } regnames[] = | |
6368 | { | |
6369 | { "sp", 1 }, { "r.sp", 1 }, { "rtoc", 2 }, { "r.toc", 2 }, | |
6370 | { "mq", 64 }, { "lr", 65 }, { "ctr", 66 }, { "ap", 67 }, | |
80f846b6 | 6371 | { "cr", 70 }, { "xer", 76 }, { "vrsave", 109 }, { "vscr", 110 }, |
75e21f08 JJ |
6372 | { "spe_acc", 111 }, { "spefscr", 112 } |
6373 | }; | |
6374 | ||
6375 | for (i = 0; i < ARRAY_SIZE (regnames); ++i) | |
6376 | if (strcmp (regnames[i].name, regname) == 0) | |
6377 | return regnames[i].dw2regnum; | |
6378 | ||
6379 | if (regname[0] == 'r' || regname[0] == 'f' || regname[0] == 'v') | |
6380 | { | |
6381 | p = regname + 1 + (regname[1] == '.'); | |
6382 | regnum = strtoul (p, &q, 10); | |
6383 | if (p == q || *q || regnum >= 32) | |
6384 | return -1; | |
6385 | if (regname[0] == 'f') | |
b7d7dc63 | 6386 | regnum += 32; |
75e21f08 | 6387 | else if (regname[0] == 'v') |
b7d7dc63 | 6388 | regnum += 77; |
75e21f08 JJ |
6389 | } |
6390 | else if (regname[0] == 'c' && regname[1] == 'r') | |
6391 | { | |
6392 | p = regname + 2 + (regname[2] == '.'); | |
6393 | if (p[0] < '0' || p[0] > '7' || p[1]) | |
b7d7dc63 | 6394 | return -1; |
75e21f08 JJ |
6395 | regnum = p[0] - '0' + 68; |
6396 | } | |
6397 | return regnum; | |
6398 | } |