1 /* ppc-dis.c -- Disassemble PowerPC instructions
2 Copyright (C) 1994-2017 Free Software Foundation, Inc.
3 Written by Ian Lance Taylor, Cygnus Support
5 This file is part of the GNU opcodes library.
7 This library is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
12 It is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this file; see the file COPYING. If not, write to the
19 Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
28 #include "opcode/ppc.h"
29 #include "libiberty.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)
49 /* Option string, without -m or -M prefix. */
51 /* CPU option flags. */
53 /* Flags that should stay on, even when combined with another cpu
54 option. This should only be used for generic options like
55 "-many" or "-maltivec" where it is reasonable to add some
56 capability to another cpu selection. The added flags are sticky
57 so that, for example, "-many -me500" and "-me500 -many" result in
58 the same assembler or disassembler behaviour. Do not use
59 "sticky" for specific cpus, as this will prevent that cpu's flags
60 from overriding the defaults set in powerpc_init_dialect or a
65 struct ppc_mopt ppc_opts[] = {
66 { "403", PPC_OPCODE_PPC | PPC_OPCODE_403,
68 { "405", PPC_OPCODE_PPC | PPC_OPCODE_403 | PPC_OPCODE_405,
70 { "440", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_440
71 | PPC_OPCODE_ISEL | PPC_OPCODE_RFMCI),
73 { "464", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_440
74 | PPC_OPCODE_ISEL | PPC_OPCODE_RFMCI),
76 { "476", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_440
77 | PPC_OPCODE_476 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5),
79 { "601", PPC_OPCODE_PPC | PPC_OPCODE_601,
81 { "603", PPC_OPCODE_PPC,
83 { "604", PPC_OPCODE_PPC,
85 { "620", PPC_OPCODE_PPC | PPC_OPCODE_64,
87 { "7400", PPC_OPCODE_PPC | PPC_OPCODE_ALTIVEC,
89 { "7410", PPC_OPCODE_PPC | PPC_OPCODE_ALTIVEC,
91 { "7450", PPC_OPCODE_PPC | PPC_OPCODE_7450 | PPC_OPCODE_ALTIVEC,
93 { "7455", PPC_OPCODE_PPC | PPC_OPCODE_ALTIVEC,
95 { "750cl", PPC_OPCODE_PPC | PPC_OPCODE_750 | PPC_OPCODE_PPCPS
97 { "821", PPC_OPCODE_PPC | PPC_OPCODE_860,
99 { "850", PPC_OPCODE_PPC | PPC_OPCODE_860,
101 { "860", PPC_OPCODE_PPC | PPC_OPCODE_860,
103 { "a2", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_POWER4
104 | PPC_OPCODE_POWER5 | PPC_OPCODE_CACHELCK | PPC_OPCODE_64
107 { "altivec", PPC_OPCODE_PPC,
108 PPC_OPCODE_ALTIVEC },
109 { "any", PPC_OPCODE_PPC,
111 { "booke", PPC_OPCODE_PPC | PPC_OPCODE_BOOKE,
113 { "booke32", PPC_OPCODE_PPC | PPC_OPCODE_BOOKE,
115 { "cell", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
116 | PPC_OPCODE_CELL | PPC_OPCODE_ALTIVEC),
118 { "com", PPC_OPCODE_COMMON,
120 { "e200z4", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE| PPC_OPCODE_SPE
121 | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK
122 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
123 | PPC_OPCODE_E500 | PPC_OPCODE_VLE | PPC_OPCODE_E200Z4),
125 { "e300", PPC_OPCODE_PPC | PPC_OPCODE_E300,
127 { "e500", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_SPE
128 | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK
129 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
132 { "e500mc", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
133 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
134 | PPC_OPCODE_E500MC),
136 { "e500mc64", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
137 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
138 | PPC_OPCODE_E500MC | PPC_OPCODE_64 | PPC_OPCODE_POWER5
139 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7),
141 { "e5500", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
142 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
143 | PPC_OPCODE_E500MC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
144 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
145 | PPC_OPCODE_POWER7),
147 { "e6500", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
148 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
149 | PPC_OPCODE_E500MC | PPC_OPCODE_64 | PPC_OPCODE_ALTIVEC
150 | PPC_OPCODE_ALTIVEC2 | PPC_OPCODE_E6500 | PPC_OPCODE_POWER4
151 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7),
153 { "e500x2", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_SPE
154 | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK
155 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
158 { "efs", PPC_OPCODE_PPC | PPC_OPCODE_EFS,
160 { "power4", PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4,
162 { "power5", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
163 | PPC_OPCODE_POWER5),
165 { "power6", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
166 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_ALTIVEC),
168 { "power7", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
169 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
170 | PPC_OPCODE_POWER7 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX),
172 { "power8", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
173 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
174 | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_HTM
175 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2 | PPC_OPCODE_VSX),
177 { "power9", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
178 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
179 | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_POWER9
180 | PPC_OPCODE_HTM | PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2
181 | PPC_OPCODE_VSX | PPC_OPCODE_VSX3 ),
183 { "ppc", PPC_OPCODE_PPC,
185 { "ppc32", PPC_OPCODE_PPC,
187 { "32", PPC_OPCODE_PPC,
189 { "ppc64", PPC_OPCODE_PPC | PPC_OPCODE_64,
191 { "64", PPC_OPCODE_PPC | PPC_OPCODE_64,
193 { "ppc64bridge", PPC_OPCODE_PPC | PPC_OPCODE_64_BRIDGE,
195 { "ppcps", PPC_OPCODE_PPC | PPC_OPCODE_PPCPS,
197 { "pwr", PPC_OPCODE_POWER,
199 { "pwr2", PPC_OPCODE_POWER | PPC_OPCODE_POWER2,
201 { "pwr4", PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4,
203 { "pwr5", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
204 | PPC_OPCODE_POWER5),
206 { "pwr5x", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
207 | PPC_OPCODE_POWER5),
209 { "pwr6", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
210 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_ALTIVEC),
212 { "pwr7", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
213 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
214 | PPC_OPCODE_POWER7 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX),
216 { "pwr8", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
217 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
218 | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_HTM
219 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2 | PPC_OPCODE_VSX),
221 { "pwr9", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
222 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
223 | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_POWER9
224 | PPC_OPCODE_HTM | PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2
225 | PPC_OPCODE_VSX | PPC_OPCODE_VSX3 ),
227 { "pwrx", PPC_OPCODE_POWER | PPC_OPCODE_POWER2,
229 { "raw", PPC_OPCODE_PPC,
231 { "spe", PPC_OPCODE_PPC | PPC_OPCODE_EFS,
233 { "titan", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_PMR
234 | PPC_OPCODE_RFMCI | PPC_OPCODE_TITAN),
236 { "vle", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE| PPC_OPCODE_SPE
237 | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK
238 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
241 { "vsx", PPC_OPCODE_PPC,
243 { "htm", PPC_OPCODE_PPC,
247 /* Switch between Booke and VLE dialects for interlinked dumps. */
249 get_powerpc_dialect (struct disassemble_info *info)
251 ppc_cpu_t dialect = 0;
253 dialect = POWERPC_DIALECT (info);
255 /* Disassemble according to the section headers flags for VLE-mode. */
256 if (dialect & PPC_OPCODE_VLE
257 && info->section != NULL && info->section->owner != NULL
258 && bfd_get_flavour (info->section->owner) == bfd_target_elf_flavour
259 && elf_object_id (info->section->owner) == PPC32_ELF_DATA
260 && (elf_section_flags (info->section) & SHF_PPC_VLE) != 0)
263 return dialect & ~ PPC_OPCODE_VLE;
266 /* Handle -m and -M options that set cpu type, and .machine arg. */
269 ppc_parse_cpu (ppc_cpu_t ppc_cpu, ppc_cpu_t *sticky, const char *arg)
273 for (i = 0; i < ARRAY_SIZE (ppc_opts); i++)
274 if (disassembler_options_cmp (ppc_opts[i].opt, arg) == 0)
276 if (ppc_opts[i].sticky)
278 *sticky |= ppc_opts[i].sticky;
279 if ((ppc_cpu & ~*sticky) != 0)
282 ppc_cpu = ppc_opts[i].cpu;
285 if (i >= ARRAY_SIZE (ppc_opts))
292 /* Determine which set of machines to disassemble for. */
295 powerpc_init_dialect (struct disassemble_info *info)
297 ppc_cpu_t dialect = 0;
298 ppc_cpu_t sticky = 0;
299 struct dis_private *priv = calloc (sizeof (*priv), 1);
306 case bfd_mach_ppc_403:
307 case bfd_mach_ppc_403gc:
308 dialect = ppc_parse_cpu (dialect, &sticky, "403");
310 case bfd_mach_ppc_405:
311 dialect = ppc_parse_cpu (dialect, &sticky, "405");
313 case bfd_mach_ppc_601:
314 dialect = ppc_parse_cpu (dialect, &sticky, "601");
316 case bfd_mach_ppc_a35:
317 case bfd_mach_ppc_rs64ii:
318 case bfd_mach_ppc_rs64iii:
319 dialect = ppc_parse_cpu (dialect, &sticky, "pwr2") | PPC_OPCODE_64;
321 case bfd_mach_ppc_e500:
322 dialect = ppc_parse_cpu (dialect, &sticky, "e500");
324 case bfd_mach_ppc_e500mc:
325 dialect = ppc_parse_cpu (dialect, &sticky, "e500mc");
327 case bfd_mach_ppc_e500mc64:
328 dialect = ppc_parse_cpu (dialect, &sticky, "e500mc64");
330 case bfd_mach_ppc_e5500:
331 dialect = ppc_parse_cpu (dialect, &sticky, "e5500");
333 case bfd_mach_ppc_e6500:
334 dialect = ppc_parse_cpu (dialect, &sticky, "e6500");
336 case bfd_mach_ppc_titan:
337 dialect = ppc_parse_cpu (dialect, &sticky, "titan");
339 case bfd_mach_ppc_vle:
340 dialect = ppc_parse_cpu (dialect, &sticky, "vle");
343 dialect = ppc_parse_cpu (dialect, &sticky, "power9") | PPC_OPCODE_ANY;
348 FOR_EACH_DISASSEMBLER_OPTION (opt, info->disassembler_options)
350 ppc_cpu_t new_cpu = 0;
352 if (disassembler_options_cmp (opt, "32") == 0)
353 dialect &= ~(ppc_cpu_t) PPC_OPCODE_64;
354 else if (disassembler_options_cmp (opt, "64") == 0)
355 dialect |= PPC_OPCODE_64;
356 else if ((new_cpu = ppc_parse_cpu (dialect, &sticky, opt)) != 0)
359 fprintf (stderr, _("warning: ignoring unknown -M%s option\n"), opt);
362 info->private_data = priv;
363 POWERPC_DIALECT(info) = dialect;
366 #define PPC_OPCD_SEGS 64
367 static unsigned short powerpc_opcd_indices[PPC_OPCD_SEGS+1];
368 #define VLE_OPCD_SEGS 32
369 static unsigned short vle_opcd_indices[VLE_OPCD_SEGS+1];
371 /* Calculate opcode table indices to speed up disassembly,
375 disassemble_init_powerpc (struct disassemble_info *info)
380 if (powerpc_opcd_indices[PPC_OPCD_SEGS] == 0)
383 i = powerpc_num_opcodes;
386 unsigned op = PPC_OP (powerpc_opcodes[i].opcode);
388 powerpc_opcd_indices[op] = i;
391 last = powerpc_num_opcodes;
392 for (i = PPC_OPCD_SEGS; i > 0; --i)
394 if (powerpc_opcd_indices[i] == 0)
395 powerpc_opcd_indices[i] = last;
396 last = powerpc_opcd_indices[i];
402 unsigned op = VLE_OP (vle_opcodes[i].opcode, vle_opcodes[i].mask);
403 unsigned seg = VLE_OP_TO_SEG (op);
405 vle_opcd_indices[seg] = i;
408 last = vle_num_opcodes;
409 for (i = VLE_OPCD_SEGS; i > 0; --i)
411 if (vle_opcd_indices[i] == 0)
412 vle_opcd_indices[i] = last;
413 last = vle_opcd_indices[i];
417 if (info->arch == bfd_arch_powerpc)
418 powerpc_init_dialect (info);
421 /* Print a big endian PowerPC instruction. */
424 print_insn_big_powerpc (bfd_vma memaddr, struct disassemble_info *info)
426 return print_insn_powerpc (memaddr, info, 1, get_powerpc_dialect (info));
429 /* Print a little endian PowerPC instruction. */
432 print_insn_little_powerpc (bfd_vma memaddr, struct disassemble_info *info)
434 return print_insn_powerpc (memaddr, info, 0, get_powerpc_dialect (info));
437 /* Print a POWER (RS/6000) instruction. */
440 print_insn_rs6000 (bfd_vma memaddr, struct disassemble_info *info)
442 return print_insn_powerpc (memaddr, info, 1, PPC_OPCODE_POWER);
445 /* Extract the operand value from the PowerPC or POWER instruction. */
448 operand_value_powerpc (const struct powerpc_operand *operand,
449 unsigned long insn, ppc_cpu_t dialect)
453 /* Extract the value from the instruction. */
454 if (operand->extract)
455 value = (*operand->extract) (insn, dialect, &invalid);
458 if (operand->shift >= 0)
459 value = (insn >> operand->shift) & operand->bitm;
461 value = (insn << -operand->shift) & operand->bitm;
462 if ((operand->flags & PPC_OPERAND_SIGNED) != 0)
464 /* BITM is always some number of zeros followed by some
465 number of ones, followed by some number of zeros. */
466 unsigned long top = operand->bitm;
467 /* top & -top gives the rightmost 1 bit, so this
468 fills in any trailing zeros. */
469 top |= (top & -top) - 1;
471 value = (value ^ top) - top;
478 /* Determine whether the optional operand(s) should be printed. */
481 skip_optional_operands (const unsigned char *opindex,
482 unsigned long insn, ppc_cpu_t dialect)
484 const struct powerpc_operand *operand;
486 for (; *opindex != 0; opindex++)
488 operand = &powerpc_operands[*opindex];
489 if ((operand->flags & PPC_OPERAND_NEXT) != 0
490 || ((operand->flags & PPC_OPERAND_OPTIONAL) != 0
491 && operand_value_powerpc (operand, insn, dialect) !=
492 ppc_optional_operand_value (operand)))
499 /* Find a match for INSN in the opcode table, given machine DIALECT. */
501 static const struct powerpc_opcode *
502 lookup_powerpc (unsigned long insn, ppc_cpu_t dialect)
504 const struct powerpc_opcode *opcode, *opcode_end, *last;
507 /* Get the major opcode of the instruction. */
510 /* Find the first match in the opcode table for this major opcode. */
511 opcode_end = powerpc_opcodes + powerpc_opcd_indices[op + 1];
513 for (opcode = powerpc_opcodes + powerpc_opcd_indices[op];
517 const unsigned char *opindex;
518 const struct powerpc_operand *operand;
521 if ((insn & opcode->mask) != opcode->opcode
522 || ((dialect & PPC_OPCODE_ANY) == 0
523 && ((opcode->flags & dialect) == 0
524 || (opcode->deprecated & dialect) != 0)))
527 /* Check validity of operands. */
529 for (opindex = opcode->operands; *opindex != 0; opindex++)
531 operand = powerpc_operands + *opindex;
532 if (operand->extract)
533 (*operand->extract) (insn, dialect, &invalid);
538 if ((dialect & PPC_OPCODE_RAW) == 0)
541 /* The raw machine insn is one that is not a specialization. */
543 || (last->mask & ~opcode->mask) != 0)
550 /* Find a match for INSN in the VLE opcode table. */
552 static const struct powerpc_opcode *
553 lookup_vle (unsigned long insn)
555 const struct powerpc_opcode *opcode;
556 const struct powerpc_opcode *opcode_end;
560 if (op >= 0x20 && op <= 0x37)
562 /* This insn has a 4-bit opcode. */
565 seg = VLE_OP_TO_SEG (op);
567 /* Find the first match in the opcode table for this major opcode. */
568 opcode_end = vle_opcodes + vle_opcd_indices[seg + 1];
569 for (opcode = vle_opcodes + vle_opcd_indices[seg];
573 unsigned long table_opcd = opcode->opcode;
574 unsigned long table_mask = opcode->mask;
575 bfd_boolean table_op_is_short = PPC_OP_SE_VLE(table_mask);
577 const unsigned char *opindex;
578 const struct powerpc_operand *operand;
582 if (table_op_is_short)
584 if ((insn2 & table_mask) != table_opcd)
587 /* Check validity of operands. */
589 for (opindex = opcode->operands; *opindex != 0; ++opindex)
591 operand = powerpc_operands + *opindex;
592 if (operand->extract)
593 (*operand->extract) (insn, (ppc_cpu_t)0, &invalid);
604 /* Print a PowerPC or POWER instruction. */
607 print_insn_powerpc (bfd_vma memaddr,
608 struct disassemble_info *info,
615 const struct powerpc_opcode *opcode;
616 bfd_boolean insn_is_short;
618 status = (*info->read_memory_func) (memaddr, buffer, 4, info);
621 /* The final instruction may be a 2-byte VLE insn. */
622 if ((dialect & PPC_OPCODE_VLE) != 0)
624 /* Clear buffer so unused bytes will not have garbage in them. */
625 buffer[0] = buffer[1] = buffer[2] = buffer[3] = 0;
626 status = (*info->read_memory_func) (memaddr, buffer, 2, info);
629 (*info->memory_error_func) (status, memaddr, info);
635 (*info->memory_error_func) (status, memaddr, info);
641 insn = bfd_getb32 (buffer);
643 insn = bfd_getl32 (buffer);
645 /* Get the major opcode of the insn. */
647 insn_is_short = FALSE;
648 if ((dialect & PPC_OPCODE_VLE) != 0)
650 opcode = lookup_vle (insn);
652 insn_is_short = PPC_OP_SE_VLE(opcode->mask);
655 opcode = lookup_powerpc (insn, dialect & ~PPC_OPCODE_ANY);
656 if (opcode == NULL && (dialect & PPC_OPCODE_ANY) != 0)
657 opcode = lookup_powerpc (insn, dialect);
661 const unsigned char *opindex;
662 const struct powerpc_operand *operand;
667 if (opcode->operands[0] != 0)
668 (*info->fprintf_func) (info->stream, "%-7s ", opcode->name);
670 (*info->fprintf_func) (info->stream, "%s", opcode->name);
673 /* The operands will be fetched out of the 16-bit instruction. */
676 /* Now extract and print the operands. */
680 for (opindex = opcode->operands; *opindex != 0; opindex++)
684 operand = powerpc_operands + *opindex;
686 /* Operands that are marked FAKE are simply ignored. We
687 already made sure that the extract function considered
688 the instruction to be valid. */
689 if ((operand->flags & PPC_OPERAND_FAKE) != 0)
692 /* If all of the optional operands have the value zero,
693 then don't print any of them. */
694 if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0)
696 if (skip_optional < 0)
697 skip_optional = skip_optional_operands (opindex, insn,
703 value = operand_value_powerpc (operand, insn, dialect);
707 (*info->fprintf_func) (info->stream, ",");
711 /* Print the operand as directed by the flags. */
712 if ((operand->flags & PPC_OPERAND_GPR) != 0
713 || ((operand->flags & PPC_OPERAND_GPR_0) != 0 && value != 0))
714 (*info->fprintf_func) (info->stream, "r%ld", value);
715 else if ((operand->flags & PPC_OPERAND_FPR) != 0)
716 (*info->fprintf_func) (info->stream, "f%ld", value);
717 else if ((operand->flags & PPC_OPERAND_VR) != 0)
718 (*info->fprintf_func) (info->stream, "v%ld", value);
719 else if ((operand->flags & PPC_OPERAND_VSR) != 0)
720 (*info->fprintf_func) (info->stream, "vs%ld", value);
721 else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0)
722 (*info->print_address_func) (memaddr + value, info);
723 else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0)
724 (*info->print_address_func) ((bfd_vma) value & 0xffffffff, info);
725 else if ((operand->flags & PPC_OPERAND_FSL) != 0)
726 (*info->fprintf_func) (info->stream, "fsl%ld", value);
727 else if ((operand->flags & PPC_OPERAND_FCR) != 0)
728 (*info->fprintf_func) (info->stream, "fcr%ld", value);
729 else if ((operand->flags & PPC_OPERAND_UDI) != 0)
730 (*info->fprintf_func) (info->stream, "%ld", value);
731 else if ((operand->flags & PPC_OPERAND_CR_REG) != 0
732 && (((dialect & PPC_OPCODE_PPC) != 0)
733 || ((dialect & PPC_OPCODE_VLE) != 0)))
734 (*info->fprintf_func) (info->stream, "cr%ld", value);
735 else if (((operand->flags & PPC_OPERAND_CR_BIT) != 0)
736 && (((dialect & PPC_OPCODE_PPC) != 0)
737 || ((dialect & PPC_OPCODE_VLE) != 0)))
739 static const char *cbnames[4] = { "lt", "gt", "eq", "so" };
745 (*info->fprintf_func) (info->stream, "4*cr%d+", cr);
747 (*info->fprintf_func) (info->stream, "%s", cbnames[cc]);
750 (*info->fprintf_func) (info->stream, "%d", (int) value);
754 (*info->fprintf_func) (info->stream, ")");
758 if ((operand->flags & PPC_OPERAND_PARENS) == 0)
762 (*info->fprintf_func) (info->stream, "(");
767 /* We have found and printed an instruction.
768 If it was a short VLE instruction we have more to do. */
775 /* Otherwise, return. */
779 /* We could not find a match. */
780 (*info->fprintf_func) (info->stream, ".long 0x%lx", insn);
785 const disasm_options_t *
786 disassembler_options_powerpc (void)
788 static disasm_options_t *opts = NULL;
792 size_t i, num_options = ARRAY_SIZE (ppc_opts);
793 opts = XNEW (disasm_options_t);
794 opts->name = XNEWVEC (const char *, num_options + 1);
795 for (i = 0; i < num_options; i++)
796 opts->name[i] = ppc_opts[i].opt;
797 /* The array we return must be NULL terminated. */
798 opts->name[i] = NULL;
799 opts->description = NULL;
806 print_ppc_disassembler_options (FILE *stream)
810 fprintf (stream, _("\n\
811 The following PPC specific disassembler options are supported for use with\n\
814 for (col = 0, i = 0; i < ARRAY_SIZE (ppc_opts); i++)
816 col += fprintf (stream, " %s,", ppc_opts[i].opt);
819 fprintf (stream, "\n");
823 fprintf (stream, "\n");