Commit | Line | Data |
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252b5132 | 1 | /* ppc-dis.c -- Disassemble PowerPC instructions |
081ba1b3 | 2 | Copyright 1994, 1995, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, |
0dc93057 | 3 | 2008, 2009, 2010 Free Software Foundation, Inc. |
252b5132 RH |
4 | Written by Ian Lance Taylor, Cygnus Support |
5 | ||
9b201bb5 NC |
6 | This file is part of the GNU opcodes library. |
7 | ||
8 | This library is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 3, or (at your option) | |
11 | any later version. | |
12 | ||
13 | It is distributed in the hope that it will be useful, but WITHOUT | |
14 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
15 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
16 | License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this file; see the file COPYING. If not, write to the | |
20 | Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, | |
21 | MA 02110-1301, USA. */ | |
252b5132 RH |
22 | |
23 | #include <stdio.h> | |
252b5132 RH |
24 | #include "sysdep.h" |
25 | #include "dis-asm.h" | |
69fe9ce5 | 26 | #include "opintl.h" |
252b5132 RH |
27 | #include "opcode/ppc.h" |
28 | ||
29 | /* This file provides several disassembler functions, all of which use | |
30 | the disassembler interface defined in dis-asm.h. Several functions | |
31 | are provided because this file handles disassembly for the PowerPC | |
32 | in both big and little endian mode and also for the POWER (RS/6000) | |
33 | chip. */ | |
fa452fa6 PB |
34 | static int print_insn_powerpc (bfd_vma, struct disassemble_info *, int, |
35 | ppc_cpu_t); | |
252b5132 | 36 | |
fa452fa6 PB |
37 | struct dis_private |
38 | { | |
39 | /* Stash the result of parsing disassembler_options here. */ | |
40 | ppc_cpu_t dialect; | |
41 | }; | |
42 | ||
43 | #define POWERPC_DIALECT(INFO) \ | |
44 | (((struct dis_private *) ((INFO)->private_data))->dialect) | |
418c1742 | 45 | |
69fe9ce5 AM |
46 | struct ppc_mopt { |
47 | const char *opt; | |
48 | ppc_cpu_t cpu; | |
49 | ppc_cpu_t sticky; | |
50 | }; | |
51 | ||
52 | struct ppc_mopt ppc_opts[] = { | |
53 | { "403", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_403 | |
54 | | PPC_OPCODE_32), | |
55 | 0 }, | |
56 | { "405", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_403 | |
57 | | PPC_OPCODE_405 | PPC_OPCODE_32), | |
58 | 0 }, | |
59 | { "440", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32 | |
60 | | PPC_OPCODE_440 | PPC_OPCODE_ISEL | PPC_OPCODE_RFMCI), | |
61 | 0 }, | |
62 | { "464", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32 | |
63 | | PPC_OPCODE_440 | PPC_OPCODE_ISEL | PPC_OPCODE_RFMCI), | |
64 | 0 }, | |
9fe54b1c PB |
65 | { "476", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ISEL |
66 | | PPC_OPCODE_440 | PPC_OPCODE_476 | PPC_OPCODE_POWER4 | |
67 | | PPC_OPCODE_POWER5), | |
68 | 0 }, | |
69fe9ce5 AM |
69 | { "601", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_601 |
70 | | PPC_OPCODE_32), | |
71 | 0 }, | |
72 | { "603", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32), | |
73 | 0 }, | |
74 | { "604", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32), | |
75 | 0 }, | |
76 | { "620", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64), | |
77 | 0 }, | |
78 | { "7400", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ALTIVEC | |
79 | | PPC_OPCODE_32), | |
80 | 0 }, | |
81 | { "7410", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ALTIVEC | |
82 | | PPC_OPCODE_32), | |
83 | 0 }, | |
84 | { "7450", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ALTIVEC | |
85 | | PPC_OPCODE_32), | |
86 | 0 }, | |
87 | { "7455", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ALTIVEC | |
88 | | PPC_OPCODE_32), | |
89 | 0 }, | |
90 | { "750cl", (PPC_OPCODE_PPC | PPC_OPCODE_PPCPS) | |
91 | , 0 }, | |
92 | { "altivec", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC), | |
93 | PPC_OPCODE_ALTIVEC }, | |
94 | { "any", 0, | |
95 | PPC_OPCODE_ANY }, | |
96 | { "booke", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32), | |
97 | 0 }, | |
98 | { "booke32", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32), | |
99 | 0 }, | |
100 | { "cell", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64 | |
101 | | PPC_OPCODE_POWER4 | PPC_OPCODE_CELL | PPC_OPCODE_ALTIVEC), | |
102 | 0 }, | |
103 | { "com", (PPC_OPCODE_COMMON | PPC_OPCODE_32), | |
104 | 0 }, | |
105 | { "e300", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32 | |
106 | | PPC_OPCODE_E300), | |
107 | 0 }, | |
108 | { "e500", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_SPE | |
109 | | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK | |
110 | | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI | |
111 | | PPC_OPCODE_E500MC), | |
112 | 0 }, | |
113 | { "e500mc", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL | |
114 | | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI | |
115 | | PPC_OPCODE_E500MC), | |
116 | 0 }, | |
0dc93057 AM |
117 | { "e500mc64", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL |
118 | | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI | |
119 | | PPC_OPCODE_64 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | |
120 | | PPC_OPCODE_POWER7), | |
121 | 0 }, | |
69fe9ce5 AM |
122 | { "e500x2", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_SPE |
123 | | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK | |
124 | | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI | |
125 | | PPC_OPCODE_E500MC), | |
126 | 0 }, | |
127 | { "efs", (PPC_OPCODE_PPC | PPC_OPCODE_EFS), | |
128 | 0 }, | |
129 | { "power4", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64 | |
130 | | PPC_OPCODE_POWER4), | |
131 | 0 }, | |
132 | { "power5", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64 | |
133 | | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5), | |
134 | 0 }, | |
135 | { "power6", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64 | |
136 | | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | |
137 | | PPC_OPCODE_ALTIVEC), | |
138 | 0 }, | |
139 | { "power7", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ISEL | |
140 | | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | |
141 | | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7 | PPC_OPCODE_ALTIVEC | |
142 | | PPC_OPCODE_VSX), | |
143 | 0 }, | |
144 | { "ppc", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32), | |
145 | 0 }, | |
146 | { "ppc32", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32), | |
147 | 0 }, | |
148 | { "ppc64", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64), | |
149 | 0 }, | |
150 | { "ppc64bridge", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64_BRIDGE | |
151 | | PPC_OPCODE_64), | |
152 | 0 }, | |
634b50f2 | 153 | { "a2", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ISEL |
e0d602ec | 154 | | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_CACHELCK |
634b50f2 | 155 | | PPC_OPCODE_64 | PPC_OPCODE_A2), |
e0d602ec | 156 | 0 }, |
69fe9ce5 AM |
157 | { "ppcps", (PPC_OPCODE_PPC | PPC_OPCODE_PPCPS), |
158 | 0 }, | |
159 | { "pwr", (PPC_OPCODE_POWER | PPC_OPCODE_32), | |
160 | 0 }, | |
161 | { "pwr2", (PPC_OPCODE_POWER | PPC_OPCODE_POWER2 | PPC_OPCODE_32), | |
162 | 0 }, | |
163 | { "pwrx", (PPC_OPCODE_POWER | PPC_OPCODE_POWER2 | PPC_OPCODE_32), | |
164 | 0 }, | |
165 | { "spe", (PPC_OPCODE_PPC | PPC_OPCODE_EFS), | |
166 | PPC_OPCODE_SPE }, | |
ce3d2015 AM |
167 | { "titan", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32 |
168 | | PPC_OPCODE_PMR | PPC_OPCODE_RFMCI | PPC_OPCODE_TITAN), | |
169 | 0 }, | |
69fe9ce5 AM |
170 | { "vsx", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC), |
171 | PPC_OPCODE_VSX }, | |
172 | }; | |
173 | ||
174 | /* Handle -m and -M options that set cpu type, and .machine arg. */ | |
175 | ||
176 | ppc_cpu_t | |
177 | ppc_parse_cpu (ppc_cpu_t ppc_cpu, const char *arg) | |
178 | { | |
179 | /* Sticky bits. */ | |
180 | ppc_cpu_t retain_flags = ppc_cpu & (PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX | |
181 | | PPC_OPCODE_SPE | PPC_OPCODE_ANY); | |
182 | unsigned int i; | |
183 | ||
184 | for (i = 0; i < sizeof (ppc_opts) / sizeof (ppc_opts[0]); i++) | |
185 | if (strcmp (ppc_opts[i].opt, arg) == 0) | |
186 | { | |
187 | if (ppc_opts[i].sticky) | |
188 | { | |
189 | retain_flags |= ppc_opts[i].sticky; | |
190 | if ((ppc_cpu & ~(PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX | |
191 | | PPC_OPCODE_SPE | PPC_OPCODE_ANY)) != 0) | |
192 | break; | |
193 | } | |
194 | ppc_cpu = ppc_opts[i].cpu; | |
195 | break; | |
196 | } | |
197 | if (i >= sizeof (ppc_opts) / sizeof (ppc_opts[0])) | |
198 | return 0; | |
199 | ||
200 | ppc_cpu |= retain_flags; | |
201 | return ppc_cpu; | |
202 | } | |
203 | ||
204 | /* Determine which set of machines to disassemble for. */ | |
418c1742 | 205 | |
661bd698 | 206 | static int |
fa452fa6 | 207 | powerpc_init_dialect (struct disassemble_info *info) |
418c1742 | 208 | { |
69fe9ce5 AM |
209 | ppc_cpu_t dialect = 0; |
210 | char *arg; | |
fa452fa6 PB |
211 | struct dis_private *priv = calloc (sizeof (*priv), 1); |
212 | ||
213 | if (priv == NULL) | |
214 | return FALSE; | |
418c1742 | 215 | |
69fe9ce5 AM |
216 | arg = info->disassembler_options; |
217 | while (arg != NULL) | |
218 | { | |
219 | ppc_cpu_t new_cpu = 0; | |
220 | char *end = strchr (arg, ','); | |
9b4e5766 | 221 | |
69fe9ce5 AM |
222 | if (end != NULL) |
223 | *end = 0; | |
9b4e5766 | 224 | |
69fe9ce5 AM |
225 | if ((new_cpu = ppc_parse_cpu (dialect, arg)) != 0) |
226 | dialect = new_cpu; | |
227 | else if (strcmp (arg, "32") == 0) | |
228 | { | |
229 | dialect &= ~PPC_OPCODE_64; | |
230 | dialect |= PPC_OPCODE_32; | |
231 | } | |
232 | else if (strcmp (arg, "64") == 0) | |
233 | { | |
234 | dialect |= PPC_OPCODE_64; | |
235 | dialect &= ~PPC_OPCODE_32; | |
236 | } | |
237 | else | |
238 | fprintf (stderr, _("warning: ignoring unknown -M%s option\n"), arg); | |
9622b051 | 239 | |
69fe9ce5 AM |
240 | if (end != NULL) |
241 | *end++ = ','; | |
242 | arg = end; | |
243 | } | |
661bd698 | 244 | |
70dc4e32 | 245 | if ((dialect & ~(PPC_OPCODE_32 | PPC_OPCODE_64)) == 0) |
802a735e | 246 | { |
70dc4e32 PB |
247 | if (info->mach == bfd_mach_ppc64) |
248 | dialect |= PPC_OPCODE_64; | |
249 | else | |
250 | dialect |= PPC_OPCODE_32; | |
69fe9ce5 AM |
251 | /* Choose a reasonable default. */ |
252 | dialect |= (PPC_OPCODE_PPC | PPC_OPCODE_COMMON | PPC_OPCODE_CLASSIC | |
253 | | PPC_OPCODE_601 | PPC_OPCODE_ALTIVEC); | |
802a735e AM |
254 | } |
255 | ||
fa452fa6 PB |
256 | info->private_data = priv; |
257 | POWERPC_DIALECT(info) = dialect; | |
258 | ||
259 | return TRUE; | |
418c1742 MG |
260 | } |
261 | ||
262 | /* Print a big endian PowerPC instruction. */ | |
252b5132 RH |
263 | |
264 | int | |
823bbe9d | 265 | print_insn_big_powerpc (bfd_vma memaddr, struct disassemble_info *info) |
252b5132 | 266 | { |
fa452fa6 PB |
267 | if (info->private_data == NULL && !powerpc_init_dialect (info)) |
268 | return -1; | |
269 | return print_insn_powerpc (memaddr, info, 1, POWERPC_DIALECT(info)); | |
252b5132 RH |
270 | } |
271 | ||
418c1742 | 272 | /* Print a little endian PowerPC instruction. */ |
252b5132 RH |
273 | |
274 | int | |
823bbe9d | 275 | print_insn_little_powerpc (bfd_vma memaddr, struct disassemble_info *info) |
252b5132 | 276 | { |
fa452fa6 PB |
277 | if (info->private_data == NULL && !powerpc_init_dialect (info)) |
278 | return -1; | |
279 | return print_insn_powerpc (memaddr, info, 0, POWERPC_DIALECT(info)); | |
252b5132 RH |
280 | } |
281 | ||
282 | /* Print a POWER (RS/6000) instruction. */ | |
283 | ||
284 | int | |
823bbe9d | 285 | print_insn_rs6000 (bfd_vma memaddr, struct disassemble_info *info) |
252b5132 RH |
286 | { |
287 | return print_insn_powerpc (memaddr, info, 1, PPC_OPCODE_POWER); | |
288 | } | |
289 | ||
ea192fa3 PB |
290 | /* Extract the operand value from the PowerPC or POWER instruction. */ |
291 | ||
292 | static long | |
293 | operand_value_powerpc (const struct powerpc_operand *operand, | |
fa452fa6 | 294 | unsigned long insn, ppc_cpu_t dialect) |
ea192fa3 PB |
295 | { |
296 | long value; | |
297 | int invalid; | |
298 | /* Extract the value from the instruction. */ | |
299 | if (operand->extract) | |
300 | value = (*operand->extract) (insn, dialect, &invalid); | |
301 | else | |
302 | { | |
303 | value = (insn >> operand->shift) & operand->bitm; | |
304 | if ((operand->flags & PPC_OPERAND_SIGNED) != 0) | |
305 | { | |
306 | /* BITM is always some number of zeros followed by some | |
307 | number of ones, followed by some numer of zeros. */ | |
308 | unsigned long top = operand->bitm; | |
309 | /* top & -top gives the rightmost 1 bit, so this | |
310 | fills in any trailing zeros. */ | |
311 | top |= (top & -top) - 1; | |
312 | top &= ~(top >> 1); | |
313 | value = (value ^ top) - top; | |
314 | } | |
315 | } | |
316 | ||
317 | return value; | |
318 | } | |
319 | ||
320 | /* Determine whether the optional operand(s) should be printed. */ | |
321 | ||
322 | static int | |
323 | skip_optional_operands (const unsigned char *opindex, | |
fa452fa6 | 324 | unsigned long insn, ppc_cpu_t dialect) |
ea192fa3 PB |
325 | { |
326 | const struct powerpc_operand *operand; | |
327 | ||
328 | for (; *opindex != 0; opindex++) | |
329 | { | |
330 | operand = &powerpc_operands[*opindex]; | |
331 | if ((operand->flags & PPC_OPERAND_NEXT) != 0 | |
332 | || ((operand->flags & PPC_OPERAND_OPTIONAL) != 0 | |
333 | && operand_value_powerpc (operand, insn, dialect) != 0)) | |
334 | return 0; | |
335 | } | |
336 | ||
337 | return 1; | |
338 | } | |
339 | ||
252b5132 RH |
340 | /* Print a PowerPC or POWER instruction. */ |
341 | ||
342 | static int | |
823bbe9d AM |
343 | print_insn_powerpc (bfd_vma memaddr, |
344 | struct disassemble_info *info, | |
345 | int bigendian, | |
fa452fa6 | 346 | ppc_cpu_t dialect) |
252b5132 RH |
347 | { |
348 | bfd_byte buffer[4]; | |
349 | int status; | |
350 | unsigned long insn; | |
351 | const struct powerpc_opcode *opcode; | |
352 | const struct powerpc_opcode *opcode_end; | |
353 | unsigned long op; | |
70dc4e32 | 354 | ppc_cpu_t dialect_orig = dialect; |
252b5132 RH |
355 | |
356 | status = (*info->read_memory_func) (memaddr, buffer, 4, info); | |
357 | if (status != 0) | |
358 | { | |
359 | (*info->memory_error_func) (status, memaddr, info); | |
360 | return -1; | |
361 | } | |
362 | ||
363 | if (bigendian) | |
364 | insn = bfd_getb32 (buffer); | |
365 | else | |
366 | insn = bfd_getl32 (buffer); | |
367 | ||
368 | /* Get the major opcode of the instruction. */ | |
369 | op = PPC_OP (insn); | |
370 | ||
371 | /* Find the first match in the opcode table. We could speed this up | |
372 | a bit by doing a binary search on the major opcode. */ | |
373 | opcode_end = powerpc_opcodes + powerpc_num_opcodes; | |
661bd698 | 374 | again: |
252b5132 RH |
375 | for (opcode = powerpc_opcodes; opcode < opcode_end; opcode++) |
376 | { | |
377 | unsigned long table_op; | |
378 | const unsigned char *opindex; | |
379 | const struct powerpc_operand *operand; | |
380 | int invalid; | |
381 | int need_comma; | |
382 | int need_paren; | |
ea192fa3 | 383 | int skip_optional; |
252b5132 RH |
384 | |
385 | table_op = PPC_OP (opcode->opcode); | |
386 | if (op < table_op) | |
387 | break; | |
388 | if (op > table_op) | |
389 | continue; | |
390 | ||
391 | if ((insn & opcode->mask) != opcode->opcode | |
21169fcf | 392 | || (opcode->flags & dialect) == 0 |
70dc4e32 | 393 | || (opcode->deprecated & dialect_orig) != 0) |
252b5132 RH |
394 | continue; |
395 | ||
396 | /* Make two passes over the operands. First see if any of them | |
397 | have extraction functions, and, if they do, make sure the | |
398 | instruction is valid. */ | |
399 | invalid = 0; | |
400 | for (opindex = opcode->operands; *opindex != 0; opindex++) | |
401 | { | |
402 | operand = powerpc_operands + *opindex; | |
403 | if (operand->extract) | |
802a735e | 404 | (*operand->extract) (insn, dialect, &invalid); |
252b5132 RH |
405 | } |
406 | if (invalid) | |
407 | continue; | |
408 | ||
409 | /* The instruction is valid. */ | |
252b5132 | 410 | if (opcode->operands[0] != 0) |
fdd12ef3 AM |
411 | (*info->fprintf_func) (info->stream, "%-7s ", opcode->name); |
412 | else | |
413 | (*info->fprintf_func) (info->stream, "%s", opcode->name); | |
252b5132 RH |
414 | |
415 | /* Now extract and print the operands. */ | |
416 | need_comma = 0; | |
417 | need_paren = 0; | |
ea192fa3 | 418 | skip_optional = -1; |
252b5132 RH |
419 | for (opindex = opcode->operands; *opindex != 0; opindex++) |
420 | { | |
421 | long value; | |
422 | ||
423 | operand = powerpc_operands + *opindex; | |
424 | ||
425 | /* Operands that are marked FAKE are simply ignored. We | |
426 | already made sure that the extract function considered | |
427 | the instruction to be valid. */ | |
428 | if ((operand->flags & PPC_OPERAND_FAKE) != 0) | |
429 | continue; | |
430 | ||
ea192fa3 PB |
431 | /* If all of the optional operands have the value zero, |
432 | then don't print any of them. */ | |
65b650b4 AM |
433 | if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0) |
434 | { | |
435 | if (skip_optional < 0) | |
436 | skip_optional = skip_optional_operands (opindex, insn, | |
437 | dialect); | |
438 | if (skip_optional) | |
439 | continue; | |
440 | } | |
252b5132 | 441 | |
ea192fa3 PB |
442 | value = operand_value_powerpc (operand, insn, dialect); |
443 | ||
252b5132 RH |
444 | if (need_comma) |
445 | { | |
446 | (*info->fprintf_func) (info->stream, ","); | |
447 | need_comma = 0; | |
448 | } | |
449 | ||
450 | /* Print the operand as directed by the flags. */ | |
fdd12ef3 AM |
451 | if ((operand->flags & PPC_OPERAND_GPR) != 0 |
452 | || ((operand->flags & PPC_OPERAND_GPR_0) != 0 && value != 0)) | |
252b5132 RH |
453 | (*info->fprintf_func) (info->stream, "r%ld", value); |
454 | else if ((operand->flags & PPC_OPERAND_FPR) != 0) | |
455 | (*info->fprintf_func) (info->stream, "f%ld", value); | |
786e2c0f C |
456 | else if ((operand->flags & PPC_OPERAND_VR) != 0) |
457 | (*info->fprintf_func) (info->stream, "v%ld", value); | |
9b4e5766 PB |
458 | else if ((operand->flags & PPC_OPERAND_VSR) != 0) |
459 | (*info->fprintf_func) (info->stream, "vs%ld", value); | |
252b5132 RH |
460 | else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0) |
461 | (*info->print_address_func) (memaddr + value, info); | |
462 | else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0) | |
463 | (*info->print_address_func) ((bfd_vma) value & 0xffffffff, info); | |
081ba1b3 AM |
464 | else if ((operand->flags & PPC_OPERAND_FSL) != 0) |
465 | (*info->fprintf_func) (info->stream, "fsl%ld", value); | |
466 | else if ((operand->flags & PPC_OPERAND_FCR) != 0) | |
467 | (*info->fprintf_func) (info->stream, "fcr%ld", value); | |
468 | else if ((operand->flags & PPC_OPERAND_UDI) != 0) | |
469 | (*info->fprintf_func) (info->stream, "%ld", value); | |
70dc4e32 PB |
470 | else if ((operand->flags & PPC_OPERAND_CR) != 0 |
471 | && (dialect & PPC_OPCODE_PPC) != 0) | |
252b5132 | 472 | { |
b84bf58a | 473 | if (operand->bitm == 7) |
0fd3a477 | 474 | (*info->fprintf_func) (info->stream, "cr%ld", value); |
252b5132 RH |
475 | else |
476 | { | |
477 | static const char *cbnames[4] = { "lt", "gt", "eq", "so" }; | |
478 | int cr; | |
479 | int cc; | |
480 | ||
481 | cr = value >> 2; | |
482 | if (cr != 0) | |
8b4fa155 | 483 | (*info->fprintf_func) (info->stream, "4*cr%d+", cr); |
252b5132 | 484 | cc = value & 3; |
8b4fa155 | 485 | (*info->fprintf_func) (info->stream, "%s", cbnames[cc]); |
252b5132 RH |
486 | } |
487 | } | |
70dc4e32 PB |
488 | else |
489 | (*info->fprintf_func) (info->stream, "%ld", value); | |
252b5132 RH |
490 | |
491 | if (need_paren) | |
492 | { | |
493 | (*info->fprintf_func) (info->stream, ")"); | |
494 | need_paren = 0; | |
495 | } | |
496 | ||
497 | if ((operand->flags & PPC_OPERAND_PARENS) == 0) | |
498 | need_comma = 1; | |
499 | else | |
500 | { | |
501 | (*info->fprintf_func) (info->stream, "("); | |
502 | need_paren = 1; | |
503 | } | |
504 | } | |
505 | ||
506 | /* We have found and printed an instruction; return. */ | |
507 | return 4; | |
508 | } | |
509 | ||
661bd698 AM |
510 | if ((dialect & PPC_OPCODE_ANY) != 0) |
511 | { | |
512 | dialect = ~PPC_OPCODE_ANY; | |
513 | goto again; | |
514 | } | |
515 | ||
252b5132 RH |
516 | /* We could not find a match. */ |
517 | (*info->fprintf_func) (info->stream, ".long 0x%lx", insn); | |
518 | ||
519 | return 4; | |
520 | } | |
07dd56a9 NC |
521 | |
522 | void | |
823bbe9d | 523 | print_ppc_disassembler_options (FILE *stream) |
07dd56a9 | 524 | { |
69fe9ce5 AM |
525 | unsigned int i, col; |
526 | ||
527 | fprintf (stream, _("\n\ | |
07dd56a9 | 528 | The following PPC specific disassembler options are supported for use with\n\ |
69fe9ce5 AM |
529 | the -M switch:\n")); |
530 | ||
531 | for (col = 0, i = 0; i < sizeof (ppc_opts) / sizeof (ppc_opts[0]); i++) | |
532 | { | |
533 | col += fprintf (stream, " %s,", ppc_opts[i].opt); | |
534 | if (col > 66) | |
535 | { | |
536 | fprintf (stream, "\n"); | |
537 | col = 0; | |
538 | } | |
539 | } | |
540 | fprintf (stream, " 32, 64\n"); | |
07dd56a9 | 541 | } |