1 /* ppc-dis.c -- Disassemble PowerPC instructions
2 Copyright 1994, 1995, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
3 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
4 Written by Ian Lance Taylor, Cygnus Support
6 This file is part of the GNU opcodes library.
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)
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.
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. */
29 #include "opcode/ppc.h"
31 /* This file provides several disassembler functions, all of which use
32 the disassembler interface defined in dis-asm.h. Several functions
33 are provided because this file handles disassembly for the PowerPC
34 in both big and little endian mode and also for the POWER (RS/6000)
36 static int print_insn_powerpc (bfd_vma, struct disassemble_info *, int,
41 /* Stash the result of parsing disassembler_options here. */
45 #define POWERPC_DIALECT(INFO) \
46 (((struct dis_private *) ((INFO)->private_data))->dialect)
54 struct ppc_mopt ppc_opts[] = {
55 { "403", (PPC_OPCODE_PPC | PPC_OPCODE_403),
57 { "405", (PPC_OPCODE_PPC | PPC_OPCODE_403 | PPC_OPCODE_405),
59 { "440", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_440
60 | PPC_OPCODE_ISEL | PPC_OPCODE_RFMCI),
62 { "464", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_440
63 | PPC_OPCODE_ISEL | PPC_OPCODE_RFMCI),
65 { "476", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_440
66 | PPC_OPCODE_476 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5),
68 { "601", (PPC_OPCODE_PPC | PPC_OPCODE_601),
70 { "603", (PPC_OPCODE_PPC),
72 { "604", (PPC_OPCODE_PPC),
74 { "620", (PPC_OPCODE_PPC | PPC_OPCODE_64),
76 { "7400", (PPC_OPCODE_PPC | PPC_OPCODE_ALTIVEC),
78 { "7410", (PPC_OPCODE_PPC | PPC_OPCODE_ALTIVEC),
80 { "7450", (PPC_OPCODE_PPC | PPC_OPCODE_ALTIVEC),
82 { "7455", (PPC_OPCODE_PPC | PPC_OPCODE_ALTIVEC),
84 { "750cl", (PPC_OPCODE_PPC | PPC_OPCODE_PPCPS)
86 { "a2", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_POWER4
87 | PPC_OPCODE_POWER5 | PPC_OPCODE_CACHELCK | PPC_OPCODE_64
90 { "altivec", (PPC_OPCODE_PPC),
91 PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2 },
94 { "booke", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE),
96 { "booke32", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE),
98 { "cell", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
99 | PPC_OPCODE_CELL | PPC_OPCODE_ALTIVEC),
101 { "com", (PPC_OPCODE_COMMON),
103 { "e300", (PPC_OPCODE_PPC | PPC_OPCODE_E300),
105 { "e500", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_SPE
106 | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK
107 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
110 { "e500mc", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
111 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
112 | PPC_OPCODE_E500MC),
114 { "e500mc64", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
115 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
116 | PPC_OPCODE_E500MC | PPC_OPCODE_64 | PPC_OPCODE_POWER5
117 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7),
119 { "e5500", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
120 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
121 | PPC_OPCODE_E500MC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
122 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
123 | PPC_OPCODE_POWER7),
125 { "e6500", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
126 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
127 | PPC_OPCODE_E500MC | PPC_OPCODE_64 | PPC_OPCODE_ALTIVEC
128 | PPC_OPCODE_ALTIVEC2 | PPC_OPCODE_E6500 | PPC_OPCODE_POWER4
129 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7),
131 { "e500x2", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_SPE
132 | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK
133 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
136 { "efs", (PPC_OPCODE_PPC | PPC_OPCODE_EFS),
138 { "power4", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4),
140 { "power5", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
141 | PPC_OPCODE_POWER5),
143 { "power6", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
144 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_ALTIVEC),
146 { "power7", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
147 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
148 | PPC_OPCODE_POWER7 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX),
150 { "power8", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
151 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
152 | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_HTM
153 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2 | PPC_OPCODE_VSX),
155 { "ppc", (PPC_OPCODE_PPC),
157 { "ppc32", (PPC_OPCODE_PPC),
159 { "ppc64", (PPC_OPCODE_PPC | PPC_OPCODE_64),
161 { "ppc64bridge", (PPC_OPCODE_PPC | PPC_OPCODE_64_BRIDGE),
163 { "ppcps", (PPC_OPCODE_PPC | PPC_OPCODE_PPCPS),
165 { "pwr", (PPC_OPCODE_POWER),
167 { "pwr2", (PPC_OPCODE_POWER | PPC_OPCODE_POWER2),
169 { "pwr4", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4),
171 { "pwr5", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
172 | PPC_OPCODE_POWER5),
174 { "pwr5x", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
175 | PPC_OPCODE_POWER5),
177 { "pwr6", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
178 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_ALTIVEC),
180 { "pwr7", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
181 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
182 | PPC_OPCODE_POWER7 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX),
184 { "pwr8", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
185 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
186 | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_HTM
187 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2 | PPC_OPCODE_VSX),
189 { "pwrx", (PPC_OPCODE_POWER | PPC_OPCODE_POWER2),
191 { "spe", (PPC_OPCODE_PPC | PPC_OPCODE_EFS),
193 { "titan", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_PMR
194 | PPC_OPCODE_RFMCI | PPC_OPCODE_TITAN),
196 { "vle", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_VLE),
198 { "vsx", (PPC_OPCODE_PPC),
200 { "htm", (PPC_OPCODE_PPC),
204 /* Switch between Booke and VLE dialects for interlinked dumps. */
206 get_powerpc_dialect (struct disassemble_info *info)
208 ppc_cpu_t dialect = 0;
210 dialect = POWERPC_DIALECT (info);
212 /* Disassemble according to the section headers flags for VLE-mode. */
213 if (dialect & PPC_OPCODE_VLE
214 && info->section->owner != NULL
215 && bfd_get_flavour (info->section->owner) == bfd_target_elf_flavour
216 && elf_object_id (info->section->owner) == PPC32_ELF_DATA
217 && (elf_section_flags (info->section) & SHF_PPC_VLE) != 0)
220 return dialect & ~ PPC_OPCODE_VLE;
223 /* Handle -m and -M options that set cpu type, and .machine arg. */
226 ppc_parse_cpu (ppc_cpu_t ppc_cpu, ppc_cpu_t *sticky, const char *arg)
230 for (i = 0; i < sizeof (ppc_opts) / sizeof (ppc_opts[0]); i++)
231 if (strcmp (ppc_opts[i].opt, arg) == 0)
233 if (ppc_opts[i].sticky)
235 *sticky |= ppc_opts[i].sticky;
236 if ((ppc_cpu & ~*sticky) != 0)
239 ppc_cpu = ppc_opts[i].cpu;
242 if (i >= sizeof (ppc_opts) / sizeof (ppc_opts[0]))
249 /* Determine which set of machines to disassemble for. */
252 powerpc_init_dialect (struct disassemble_info *info)
254 ppc_cpu_t dialect = 0;
255 ppc_cpu_t sticky = 0;
257 struct dis_private *priv = calloc (sizeof (*priv), 1);
264 case bfd_mach_ppc_403:
265 case bfd_mach_ppc_403gc:
266 dialect = (PPC_OPCODE_PPC | PPC_OPCODE_403);
268 case bfd_mach_ppc_405:
269 dialect = (PPC_OPCODE_PPC | PPC_OPCODE_403 | PPC_OPCODE_405);
271 case bfd_mach_ppc_601:
272 dialect = (PPC_OPCODE_PPC | PPC_OPCODE_601);
274 case bfd_mach_ppc_a35:
275 case bfd_mach_ppc_rs64ii:
276 case bfd_mach_ppc_rs64iii:
277 dialect = (PPC_OPCODE_POWER | PPC_OPCODE_POWER2 | PPC_OPCODE_64);
279 case bfd_mach_ppc_e500:
280 dialect = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_SPE
281 | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK
282 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
285 case bfd_mach_ppc_e500mc:
286 dialect = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
287 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
288 | PPC_OPCODE_E500MC);
290 case bfd_mach_ppc_e500mc64:
291 dialect = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
292 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
293 | PPC_OPCODE_E500MC | PPC_OPCODE_64 | PPC_OPCODE_POWER5
294 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7);
296 case bfd_mach_ppc_e5500:
297 dialect = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
298 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
299 | PPC_OPCODE_E500MC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
300 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
301 | PPC_OPCODE_POWER7);
303 case bfd_mach_ppc_e6500:
304 dialect = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
305 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
306 | PPC_OPCODE_E500MC | PPC_OPCODE_64 | PPC_OPCODE_ALTIVEC
307 | PPC_OPCODE_ALTIVEC2 | PPC_OPCODE_E6500 | PPC_OPCODE_POWER4
308 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7);
310 case bfd_mach_ppc_titan:
311 dialect = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_PMR
312 | PPC_OPCODE_RFMCI | PPC_OPCODE_TITAN);
314 case bfd_mach_ppc_vle:
315 dialect = (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_VLE);
318 dialect = (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
319 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
320 | PPC_OPCODE_POWER7 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX
324 arg = info->disassembler_options;
327 ppc_cpu_t new_cpu = 0;
328 char *end = strchr (arg, ',');
333 if ((new_cpu = ppc_parse_cpu (dialect, &sticky, arg)) != 0)
335 else if (strcmp (arg, "32") == 0)
336 dialect &= ~(ppc_cpu_t) PPC_OPCODE_64;
337 else if (strcmp (arg, "64") == 0)
338 dialect |= PPC_OPCODE_64;
340 fprintf (stderr, _("warning: ignoring unknown -M%s option\n"), arg);
347 info->private_data = priv;
348 POWERPC_DIALECT(info) = dialect;
351 #define PPC_OPCD_SEGS 64
352 static unsigned short powerpc_opcd_indices[PPC_OPCD_SEGS+1];
353 #define VLE_OPCD_SEGS 32
354 static unsigned short vle_opcd_indices[VLE_OPCD_SEGS+1];
356 /* Calculate opcode table indices to speed up disassembly,
360 disassemble_init_powerpc (struct disassemble_info *info)
365 i = powerpc_num_opcodes;
368 unsigned op = PPC_OP (powerpc_opcodes[i].opcode);
370 powerpc_opcd_indices[op] = i;
373 last = powerpc_num_opcodes;
374 for (i = PPC_OPCD_SEGS; i > 0; --i)
376 if (powerpc_opcd_indices[i] == 0)
377 powerpc_opcd_indices[i] = last;
378 last = powerpc_opcd_indices[i];
384 unsigned op = VLE_OP (vle_opcodes[i].opcode, vle_opcodes[i].mask);
385 unsigned seg = VLE_OP_TO_SEG (op);
387 vle_opcd_indices[seg] = i;
390 last = vle_num_opcodes;
391 for (i = VLE_OPCD_SEGS; i > 0; --i)
393 if (vle_opcd_indices[i] == 0)
394 vle_opcd_indices[i] = last;
395 last = vle_opcd_indices[i];
398 if (info->arch == bfd_arch_powerpc)
399 powerpc_init_dialect (info);
402 /* Print a big endian PowerPC instruction. */
405 print_insn_big_powerpc (bfd_vma memaddr, struct disassemble_info *info)
407 return print_insn_powerpc (memaddr, info, 1, get_powerpc_dialect (info));
410 /* Print a little endian PowerPC instruction. */
413 print_insn_little_powerpc (bfd_vma memaddr, struct disassemble_info *info)
415 return print_insn_powerpc (memaddr, info, 0, get_powerpc_dialect (info));
418 /* Print a POWER (RS/6000) instruction. */
421 print_insn_rs6000 (bfd_vma memaddr, struct disassemble_info *info)
423 return print_insn_powerpc (memaddr, info, 1, PPC_OPCODE_POWER);
426 /* Extract the operand value from the PowerPC or POWER instruction. */
429 operand_value_powerpc (const struct powerpc_operand *operand,
430 unsigned long insn, ppc_cpu_t dialect)
434 /* Extract the value from the instruction. */
435 if (operand->extract)
436 value = (*operand->extract) (insn, dialect, &invalid);
439 if (operand->shift >= 0)
440 value = (insn >> operand->shift) & operand->bitm;
442 value = (insn << -operand->shift) & operand->bitm;
443 if ((operand->flags & PPC_OPERAND_SIGNED) != 0)
445 /* BITM is always some number of zeros followed by some
446 number of ones, followed by some number of zeros. */
447 unsigned long top = operand->bitm;
448 /* top & -top gives the rightmost 1 bit, so this
449 fills in any trailing zeros. */
450 top |= (top & -top) - 1;
452 value = (value ^ top) - top;
459 /* Determine whether the optional operand(s) should be printed. */
462 skip_optional_operands (const unsigned char *opindex,
463 unsigned long insn, ppc_cpu_t dialect)
465 const struct powerpc_operand *operand;
467 for (; *opindex != 0; opindex++)
469 operand = &powerpc_operands[*opindex];
470 if ((operand->flags & PPC_OPERAND_NEXT) != 0
471 || ((operand->flags & PPC_OPERAND_OPTIONAL) != 0
472 && operand_value_powerpc (operand, insn, dialect) != 0))
479 /* Find a match for INSN in the opcode table, given machine DIALECT.
480 A DIALECT of -1 is special, matching all machine opcode variations. */
482 static const struct powerpc_opcode *
483 lookup_powerpc (unsigned long insn, ppc_cpu_t dialect)
485 const struct powerpc_opcode *opcode;
486 const struct powerpc_opcode *opcode_end;
489 /* Get the major opcode of the instruction. */
492 /* Find the first match in the opcode table for this major opcode. */
493 opcode_end = powerpc_opcodes + powerpc_opcd_indices[op + 1];
494 for (opcode = powerpc_opcodes + powerpc_opcd_indices[op];
498 const unsigned char *opindex;
499 const struct powerpc_operand *operand;
502 if ((insn & opcode->mask) != opcode->opcode
503 || (dialect != (ppc_cpu_t) -1
504 && ((opcode->flags & dialect) == 0
505 || (opcode->deprecated & dialect) != 0)))
508 /* Check validity of operands. */
510 for (opindex = opcode->operands; *opindex != 0; opindex++)
512 operand = powerpc_operands + *opindex;
513 if (operand->extract)
514 (*operand->extract) (insn, dialect, &invalid);
525 /* Find a match for INSN in the VLE opcode table. */
527 static const struct powerpc_opcode *
528 lookup_vle (unsigned long insn)
530 const struct powerpc_opcode *opcode;
531 const struct powerpc_opcode *opcode_end;
535 if (op >= 0x20 && op <= 0x37)
537 /* This insn has a 4-bit opcode. */
540 seg = VLE_OP_TO_SEG (op);
542 /* Find the first match in the opcode table for this major opcode. */
543 opcode_end = vle_opcodes + vle_opcd_indices[seg + 1];
544 for (opcode = vle_opcodes + vle_opcd_indices[seg];
548 unsigned long table_opcd = opcode->opcode;
549 unsigned long table_mask = opcode->mask;
550 bfd_boolean table_op_is_short = PPC_OP_SE_VLE(table_mask);
552 const unsigned char *opindex;
553 const struct powerpc_operand *operand;
557 if (table_op_is_short)
559 if ((insn2 & table_mask) != table_opcd)
562 /* Check validity of operands. */
564 for (opindex = opcode->operands; *opindex != 0; ++opindex)
566 operand = powerpc_operands + *opindex;
567 if (operand->extract)
568 (*operand->extract) (insn, (ppc_cpu_t)0, &invalid);
579 /* Print a PowerPC or POWER instruction. */
582 print_insn_powerpc (bfd_vma memaddr,
583 struct disassemble_info *info,
590 const struct powerpc_opcode *opcode;
591 bfd_boolean insn_is_short;
593 status = (*info->read_memory_func) (memaddr, buffer, 4, info);
596 /* The final instruction may be a 2-byte VLE insn. */
597 if ((dialect & PPC_OPCODE_VLE) != 0)
599 /* Clear buffer so unused bytes will not have garbage in them. */
600 buffer[0] = buffer[1] = buffer[2] = buffer[3] = 0;
601 status = (*info->read_memory_func) (memaddr, buffer, 2, info);
604 (*info->memory_error_func) (status, memaddr, info);
610 (*info->memory_error_func) (status, memaddr, info);
616 insn = bfd_getb32 (buffer);
618 insn = bfd_getl32 (buffer);
620 /* Get the major opcode of the insn. */
622 insn_is_short = FALSE;
623 if ((dialect & PPC_OPCODE_VLE) != 0)
625 opcode = lookup_vle (insn);
627 insn_is_short = PPC_OP_SE_VLE(opcode->mask);
630 opcode = lookup_powerpc (insn, dialect);
631 if (opcode == NULL && (dialect & PPC_OPCODE_ANY) != 0)
632 opcode = lookup_powerpc (insn, (ppc_cpu_t) -1);
636 const unsigned char *opindex;
637 const struct powerpc_operand *operand;
642 if (opcode->operands[0] != 0)
643 (*info->fprintf_func) (info->stream, "%-7s ", opcode->name);
645 (*info->fprintf_func) (info->stream, "%s", opcode->name);
648 /* The operands will be fetched out of the 16-bit instruction. */
651 /* Now extract and print the operands. */
655 for (opindex = opcode->operands; *opindex != 0; opindex++)
659 operand = powerpc_operands + *opindex;
661 /* Operands that are marked FAKE are simply ignored. We
662 already made sure that the extract function considered
663 the instruction to be valid. */
664 if ((operand->flags & PPC_OPERAND_FAKE) != 0)
667 /* If all of the optional operands have the value zero,
668 then don't print any of them. */
669 if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0)
671 if (skip_optional < 0)
672 skip_optional = skip_optional_operands (opindex, insn,
678 value = operand_value_powerpc (operand, insn, dialect);
682 (*info->fprintf_func) (info->stream, ",");
686 /* Print the operand as directed by the flags. */
687 if ((operand->flags & PPC_OPERAND_GPR) != 0
688 || ((operand->flags & PPC_OPERAND_GPR_0) != 0 && value != 0))
689 (*info->fprintf_func) (info->stream, "r%ld", value);
690 else if ((operand->flags & PPC_OPERAND_FPR) != 0)
691 (*info->fprintf_func) (info->stream, "f%ld", value);
692 else if ((operand->flags & PPC_OPERAND_VR) != 0)
693 (*info->fprintf_func) (info->stream, "v%ld", value);
694 else if ((operand->flags & PPC_OPERAND_VSR) != 0)
695 (*info->fprintf_func) (info->stream, "vs%ld", value);
696 else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0)
697 (*info->print_address_func) (memaddr + value, info);
698 else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0)
699 (*info->print_address_func) ((bfd_vma) value & 0xffffffff, info);
700 else if ((operand->flags & PPC_OPERAND_FSL) != 0)
701 (*info->fprintf_func) (info->stream, "fsl%ld", value);
702 else if ((operand->flags & PPC_OPERAND_FCR) != 0)
703 (*info->fprintf_func) (info->stream, "fcr%ld", value);
704 else if ((operand->flags & PPC_OPERAND_UDI) != 0)
705 (*info->fprintf_func) (info->stream, "%ld", value);
706 else if ((operand->flags & PPC_OPERAND_CR_REG) != 0
707 && (((dialect & PPC_OPCODE_PPC) != 0)
708 || ((dialect & PPC_OPCODE_VLE) != 0)))
709 (*info->fprintf_func) (info->stream, "cr%ld", value);
710 else if (((operand->flags & PPC_OPERAND_CR_BIT) != 0)
711 && (((dialect & PPC_OPCODE_PPC) != 0)
712 || ((dialect & PPC_OPCODE_VLE) != 0)))
714 static const char *cbnames[4] = { "lt", "gt", "eq", "so" };
720 (*info->fprintf_func) (info->stream, "4*cr%d+", cr);
722 (*info->fprintf_func) (info->stream, "%s", cbnames[cc]);
725 (*info->fprintf_func) (info->stream, "%d", (int) value);
729 (*info->fprintf_func) (info->stream, ")");
733 if ((operand->flags & PPC_OPERAND_PARENS) == 0)
737 (*info->fprintf_func) (info->stream, "(");
742 /* We have found and printed an instruction.
743 If it was a short VLE instruction we have more to do. */
750 /* Otherwise, return. */
754 /* We could not find a match. */
755 (*info->fprintf_func) (info->stream, ".long 0x%lx", insn);
761 print_ppc_disassembler_options (FILE *stream)
765 fprintf (stream, _("\n\
766 The following PPC specific disassembler options are supported for use with\n\
769 for (col = 0, i = 0; i < sizeof (ppc_opts) / sizeof (ppc_opts[0]); i++)
771 col += fprintf (stream, " %s,", ppc_opts[i].opt);
774 fprintf (stream, "\n");
778 fprintf (stream, " 32, 64\n");