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. */
24 #include "disassemble.h"
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_476
77 | 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
124 | PPC_OPCODE_EFS2 | PPC_OPCODE_LSP),
126 { "e300", PPC_OPCODE_PPC | PPC_OPCODE_E300,
128 { "e500", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_SPE
129 | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK
130 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
133 { "e500mc", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
134 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
135 | PPC_OPCODE_E500MC),
137 { "e500mc64", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
138 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
139 | PPC_OPCODE_E500MC | PPC_OPCODE_64 | PPC_OPCODE_POWER5
140 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7),
142 { "e5500", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
143 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
144 | PPC_OPCODE_E500MC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
145 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | 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_E6500 | PPC_OPCODE_TMR | 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 { "efs2", PPC_OPCODE_PPC | PPC_OPCODE_EFS | PPC_OPCODE_EFS2,
162 { "power4", PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4,
164 { "power5", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
165 | PPC_OPCODE_POWER5),
167 { "power6", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
168 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_ALTIVEC),
170 { "power7", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
171 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
172 | PPC_OPCODE_POWER7 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX),
174 { "power8", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
175 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
176 | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8
177 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX),
179 { "power9", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
180 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
181 | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_POWER9
182 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX),
184 { "ppc", PPC_OPCODE_PPC,
186 { "ppc32", PPC_OPCODE_PPC,
188 { "32", PPC_OPCODE_PPC,
190 { "ppc64", PPC_OPCODE_PPC | PPC_OPCODE_64,
192 { "64", PPC_OPCODE_PPC | PPC_OPCODE_64,
194 { "ppc64bridge", PPC_OPCODE_PPC | PPC_OPCODE_64_BRIDGE,
196 { "ppcps", PPC_OPCODE_PPC | PPC_OPCODE_PPCPS,
198 { "pwr", PPC_OPCODE_POWER,
200 { "pwr2", PPC_OPCODE_POWER | PPC_OPCODE_POWER2,
202 { "pwr4", PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4,
204 { "pwr5", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
205 | PPC_OPCODE_POWER5),
207 { "pwr5x", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
208 | PPC_OPCODE_POWER5),
210 { "pwr6", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
211 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_ALTIVEC),
213 { "pwr7", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
214 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
215 | PPC_OPCODE_POWER7 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX),
217 { "pwr8", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
218 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
219 | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8
220 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX),
222 { "pwr9", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
223 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
224 | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_POWER9
225 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX),
227 { "pwrx", PPC_OPCODE_POWER | PPC_OPCODE_POWER2,
229 { "raw", PPC_OPCODE_PPC,
231 { "spe", PPC_OPCODE_PPC | PPC_OPCODE_EFS,
233 { "spe2", PPC_OPCODE_PPC | PPC_OPCODE_EFS | PPC_OPCODE_EFS2 | PPC_OPCODE_SPE,
235 { "titan", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_PMR
236 | PPC_OPCODE_RFMCI | PPC_OPCODE_TITAN),
238 { "vle", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE| PPC_OPCODE_SPE
239 | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK
240 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
241 | PPC_OPCODE_LSP | PPC_OPCODE_EFS2 | PPC_OPCODE_SPE2),
243 { "vsx", 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];
370 #define SPE2_OPCD_SEGS 13
371 static unsigned short spe2_opcd_indices[SPE2_OPCD_SEGS+1];
373 /* Calculate opcode table indices to speed up disassembly,
377 disassemble_init_powerpc (struct disassemble_info *info)
382 if (powerpc_opcd_indices[PPC_OPCD_SEGS] == 0)
384 i = powerpc_num_opcodes;
387 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);
404 vle_opcd_indices[seg] = i;
407 last = vle_num_opcodes;
408 for (i = VLE_OPCD_SEGS; i > 0; --i)
410 if (vle_opcd_indices[i] == 0)
411 vle_opcd_indices[i] = last;
412 last = vle_opcd_indices[i];
417 i = spe2_num_opcodes;
420 unsigned xop = SPE2_XOP (spe2_opcodes[i].opcode);
421 unsigned seg = SPE2_XOP_TO_SEG (xop);
422 spe2_opcd_indices[seg] = i;
425 last = spe2_num_opcodes;
426 for (i = SPE2_OPCD_SEGS; i > 1; --i)
428 if (spe2_opcd_indices[i] == 0)
429 spe2_opcd_indices[i] = last;
430 last = spe2_opcd_indices[i];
433 if (info->arch == bfd_arch_powerpc)
434 powerpc_init_dialect (info);
437 /* Print a big endian PowerPC instruction. */
440 print_insn_big_powerpc (bfd_vma memaddr, struct disassemble_info *info)
442 return print_insn_powerpc (memaddr, info, 1, get_powerpc_dialect (info));
445 /* Print a little endian PowerPC instruction. */
448 print_insn_little_powerpc (bfd_vma memaddr, struct disassemble_info *info)
450 return print_insn_powerpc (memaddr, info, 0, get_powerpc_dialect (info));
453 /* Print a POWER (RS/6000) instruction. */
456 print_insn_rs6000 (bfd_vma memaddr, struct disassemble_info *info)
458 return print_insn_powerpc (memaddr, info, 1, PPC_OPCODE_POWER);
461 /* Extract the operand value from the PowerPC or POWER instruction. */
464 operand_value_powerpc (const struct powerpc_operand *operand,
465 uint64_t insn, ppc_cpu_t dialect)
469 /* Extract the value from the instruction. */
470 if (operand->extract)
471 value = (*operand->extract) (insn, dialect, &invalid);
474 if (operand->shift >= 0)
475 value = (insn >> operand->shift) & operand->bitm;
477 value = (insn << -operand->shift) & operand->bitm;
478 if ((operand->flags & PPC_OPERAND_SIGNED) != 0)
480 /* BITM is always some number of zeros followed by some
481 number of ones, followed by some number of zeros. */
482 uint64_t top = operand->bitm;
483 /* top & -top gives the rightmost 1 bit, so this
484 fills in any trailing zeros. */
485 top |= (top & -top) - 1;
487 value = (value ^ top) - top;
494 /* Determine whether the optional operand(s) should be printed. */
497 skip_optional_operands (const unsigned char *opindex,
498 uint64_t insn, ppc_cpu_t dialect)
500 const struct powerpc_operand *operand;
502 for (; *opindex != 0; opindex++)
504 operand = &powerpc_operands[*opindex];
505 if ((operand->flags & PPC_OPERAND_NEXT) != 0
506 || ((operand->flags & PPC_OPERAND_OPTIONAL) != 0
507 && operand_value_powerpc (operand, insn, dialect) !=
508 ppc_optional_operand_value (operand)))
515 /* Find a match for INSN in the opcode table, given machine DIALECT. */
517 static const struct powerpc_opcode *
518 lookup_powerpc (uint64_t insn, ppc_cpu_t dialect)
520 const struct powerpc_opcode *opcode, *opcode_end, *last;
523 /* Get the major opcode of the instruction. */
526 /* Find the first match in the opcode table for this major opcode. */
527 opcode_end = powerpc_opcodes + powerpc_opcd_indices[op + 1];
529 for (opcode = powerpc_opcodes + powerpc_opcd_indices[op];
533 const unsigned char *opindex;
534 const struct powerpc_operand *operand;
537 if ((insn & opcode->mask) != opcode->opcode
538 || ((dialect & PPC_OPCODE_ANY) == 0
539 && ((opcode->flags & dialect) == 0
540 || (opcode->deprecated & dialect) != 0)))
543 /* Check validity of operands. */
545 for (opindex = opcode->operands; *opindex != 0; opindex++)
547 operand = powerpc_operands + *opindex;
548 if (operand->extract)
549 (*operand->extract) (insn, dialect, &invalid);
554 if ((dialect & PPC_OPCODE_RAW) == 0)
557 /* The raw machine insn is one that is not a specialization. */
559 || (last->mask & ~opcode->mask) != 0)
566 /* Find a match for INSN in the VLE opcode table. */
568 static const struct powerpc_opcode *
569 lookup_vle (uint64_t insn)
571 const struct powerpc_opcode *opcode;
572 const struct powerpc_opcode *opcode_end;
576 if (op >= 0x20 && op <= 0x37)
578 /* This insn has a 4-bit opcode. */
581 seg = VLE_OP_TO_SEG (op);
583 /* Find the first match in the opcode table for this major opcode. */
584 opcode_end = vle_opcodes + vle_opcd_indices[seg + 1];
585 for (opcode = vle_opcodes + vle_opcd_indices[seg];
589 uint64_t table_opcd = opcode->opcode;
590 uint64_t table_mask = opcode->mask;
591 bfd_boolean table_op_is_short = PPC_OP_SE_VLE(table_mask);
593 const unsigned char *opindex;
594 const struct powerpc_operand *operand;
598 if (table_op_is_short)
600 if ((insn2 & table_mask) != table_opcd)
603 /* Check validity of operands. */
605 for (opindex = opcode->operands; *opindex != 0; ++opindex)
607 operand = powerpc_operands + *opindex;
608 if (operand->extract)
609 (*operand->extract) (insn, (ppc_cpu_t)0, &invalid);
620 /* Find a match for INSN in the SPE2 opcode table. */
622 static const struct powerpc_opcode *
623 lookup_spe2 (uint64_t insn)
625 const struct powerpc_opcode *opcode, *opcode_end;
626 unsigned op, xop, seg;
631 /* This is not SPE2 insn.
632 * All SPE2 instructions have OP=4 and differs by XOP */
635 xop = SPE2_XOP (insn);
636 seg = SPE2_XOP_TO_SEG (xop);
638 /* Find the first match in the opcode table for this major opcode. */
639 opcode_end = spe2_opcodes + spe2_opcd_indices[seg + 1];
640 for (opcode = spe2_opcodes + spe2_opcd_indices[seg];
644 uint64_t table_opcd = opcode->opcode;
645 uint64_t table_mask = opcode->mask;
647 const unsigned char *opindex;
648 const struct powerpc_operand *operand;
652 if ((insn2 & table_mask) != table_opcd)
655 /* Check validity of operands. */
657 for (opindex = opcode->operands; *opindex != 0; ++opindex)
659 operand = powerpc_operands + *opindex;
660 if (operand->extract)
661 (*operand->extract) (insn, (ppc_cpu_t)0, &invalid);
672 /* Print a PowerPC or POWER instruction. */
675 print_insn_powerpc (bfd_vma memaddr,
676 struct disassemble_info *info,
683 const struct powerpc_opcode *opcode;
684 bfd_boolean insn_is_short;
686 status = (*info->read_memory_func) (memaddr, buffer, 4, info);
689 /* The final instruction may be a 2-byte VLE insn. */
690 if ((dialect & PPC_OPCODE_VLE) != 0)
692 /* Clear buffer so unused bytes will not have garbage in them. */
693 buffer[0] = buffer[1] = buffer[2] = buffer[3] = 0;
694 status = (*info->read_memory_func) (memaddr, buffer, 2, info);
697 (*info->memory_error_func) (status, memaddr, info);
703 (*info->memory_error_func) (status, memaddr, info);
709 insn = bfd_getb32 (buffer);
711 insn = bfd_getl32 (buffer);
713 /* Get the major opcode of the insn. */
715 insn_is_short = FALSE;
716 if ((dialect & PPC_OPCODE_VLE) != 0)
718 opcode = lookup_vle (insn);
720 insn_is_short = PPC_OP_SE_VLE(opcode->mask);
722 if (opcode == NULL && (dialect & PPC_OPCODE_SPE2) != 0)
723 opcode = lookup_spe2 (insn);
725 opcode = lookup_powerpc (insn, dialect & ~PPC_OPCODE_ANY);
726 if (opcode == NULL && (dialect & PPC_OPCODE_ANY) != 0)
727 opcode = lookup_powerpc (insn, dialect);
731 const unsigned char *opindex;
732 const struct powerpc_operand *operand;
737 if (opcode->operands[0] != 0)
738 (*info->fprintf_func) (info->stream, "%-7s ", opcode->name);
740 (*info->fprintf_func) (info->stream, "%s", opcode->name);
743 /* The operands will be fetched out of the 16-bit instruction. */
746 /* Now extract and print the operands. */
750 for (opindex = opcode->operands; *opindex != 0; opindex++)
754 operand = powerpc_operands + *opindex;
756 /* Operands that are marked FAKE are simply ignored. We
757 already made sure that the extract function considered
758 the instruction to be valid. */
759 if ((operand->flags & PPC_OPERAND_FAKE) != 0)
762 /* If all of the optional operands have the value zero,
763 then don't print any of them. */
764 if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0)
766 if (skip_optional < 0)
767 skip_optional = skip_optional_operands (opindex, insn,
773 value = operand_value_powerpc (operand, insn, dialect);
777 (*info->fprintf_func) (info->stream, ",");
781 /* Print the operand as directed by the flags. */
782 if ((operand->flags & PPC_OPERAND_GPR) != 0
783 || ((operand->flags & PPC_OPERAND_GPR_0) != 0 && value != 0))
784 (*info->fprintf_func) (info->stream, "r%" PPC_INT_FMT "d", value);
785 else if ((operand->flags & PPC_OPERAND_FPR) != 0)
786 (*info->fprintf_func) (info->stream, "f%" PPC_INT_FMT "d", value);
787 else if ((operand->flags & PPC_OPERAND_VR) != 0)
788 (*info->fprintf_func) (info->stream, "v%" PPC_INT_FMT "d", value);
789 else if ((operand->flags & PPC_OPERAND_VSR) != 0)
790 (*info->fprintf_func) (info->stream, "vs%" PPC_INT_FMT "d", value);
791 else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0)
792 (*info->print_address_func) (memaddr + value, info);
793 else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0)
794 (*info->print_address_func) ((bfd_vma) value & 0xffffffff, info);
795 else if ((operand->flags & PPC_OPERAND_FSL) != 0)
796 (*info->fprintf_func) (info->stream, "fsl%" PPC_INT_FMT "d", value);
797 else if ((operand->flags & PPC_OPERAND_FCR) != 0)
798 (*info->fprintf_func) (info->stream, "fcr%" PPC_INT_FMT "d", value);
799 else if ((operand->flags & PPC_OPERAND_UDI) != 0)
800 (*info->fprintf_func) (info->stream, "%" PPC_INT_FMT "d", value);
801 else if ((operand->flags & PPC_OPERAND_CR_REG) != 0
802 && (((dialect & PPC_OPCODE_PPC) != 0)
803 || ((dialect & PPC_OPCODE_VLE) != 0)))
804 (*info->fprintf_func) (info->stream, "cr%" PPC_INT_FMT "d", value);
805 else if (((operand->flags & PPC_OPERAND_CR_BIT) != 0)
806 && (((dialect & PPC_OPCODE_PPC) != 0)
807 || ((dialect & PPC_OPCODE_VLE) != 0)))
809 static const char *cbnames[4] = { "lt", "gt", "eq", "so" };
815 (*info->fprintf_func) (info->stream, "4*cr%d+", cr);
817 (*info->fprintf_func) (info->stream, "%s", cbnames[cc]);
820 (*info->fprintf_func) (info->stream, "%" PPC_INT_FMT "d", value);
824 (*info->fprintf_func) (info->stream, ")");
828 if ((operand->flags & PPC_OPERAND_PARENS) == 0)
832 (*info->fprintf_func) (info->stream, "(");
837 /* We have found and printed an instruction.
838 If it was a short VLE instruction we have more to do. */
845 /* Otherwise, return. */
849 /* We could not find a match. */
850 (*info->fprintf_func) (info->stream, ".long 0x%" PPC_INT_FMT "x", insn);
855 const disasm_options_t *
856 disassembler_options_powerpc (void)
858 static disasm_options_t *opts = NULL;
862 size_t i, num_options = ARRAY_SIZE (ppc_opts);
863 opts = XNEW (disasm_options_t);
864 opts->name = XNEWVEC (const char *, num_options + 1);
865 for (i = 0; i < num_options; i++)
866 opts->name[i] = ppc_opts[i].opt;
867 /* The array we return must be NULL terminated. */
868 opts->name[i] = NULL;
869 opts->description = NULL;
876 print_ppc_disassembler_options (FILE *stream)
880 fprintf (stream, _("\n\
881 The following PPC specific disassembler options are supported for use with\n\
884 for (col = 0, i = 0; i < ARRAY_SIZE (ppc_opts); i++)
886 col += fprintf (stream, " %s,", ppc_opts[i].opt);
889 fprintf (stream, "\n");
893 fprintf (stream, "\n");