X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=opcodes%2Fppc-dis.c;h=162f770697514b8180555a25cb9bb2ebe5a65cb5;hb=aa3c112fab5db4a90703442f65b743857e50d2ac;hp=77a2a60643b68739af26b6ede405c01799aab44d;hpb=14b57c7c6a53c747a8819fed3da858eae4195a0e;p=deliverable%2Fbinutils-gdb.git diff --git a/opcodes/ppc-dis.c b/opcodes/ppc-dis.c index 77a2a60643..162f770697 100644 --- a/opcodes/ppc-dis.c +++ b/opcodes/ppc-dis.c @@ -1,5 +1,5 @@ /* ppc-dis.c -- Disassemble PowerPC instructions - Copyright (C) 1994-2016 Free Software Foundation, Inc. + Copyright (C) 1994-2020 Free Software Foundation, Inc. Written by Ian Lance Taylor, Cygnus Support This file is part of the GNU opcodes library. @@ -21,11 +21,12 @@ #include "sysdep.h" #include -#include "dis-asm.h" +#include "disassemble.h" #include "elf-bfd.h" #include "elf/ppc.h" #include "opintl.h" #include "opcode/ppc.h" +#include "libiberty.h" /* This file provides several disassembler functions, all of which use the disassembler interface defined in dis-asm.h. Several functions @@ -39,14 +40,25 @@ struct dis_private { /* Stash the result of parsing disassembler_options here. */ ppc_cpu_t dialect; -} private; +}; #define POWERPC_DIALECT(INFO) \ (((struct dis_private *) ((INFO)->private_data))->dialect) struct ppc_mopt { + /* Option string, without -m or -M prefix. */ const char *opt; + /* CPU option flags. */ ppc_cpu_t cpu; + /* Flags that should stay on, even when combined with another cpu + option. This should only be used for generic options like + "-many" or "-maltivec" where it is reasonable to add some + capability to another cpu selection. The added flags are sticky + so that, for example, "-many -me500" and "-me500 -many" result in + the same assembler or disassembler behaviour. Do not use + "sticky" for specific cpus, as this will prevent that cpu's flags + from overriding the defaults set in powerpc_init_dialect or a + prior -m option. */ ppc_cpu_t sticky; }; @@ -61,8 +73,8 @@ struct ppc_mopt ppc_opts[] = { { "464", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_440 | PPC_OPCODE_ISEL | PPC_OPCODE_RFMCI), 0 }, - { "476", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_440 - | PPC_OPCODE_476 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5), + { "476", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_476 + | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5), 0 }, { "601", PPC_OPCODE_PPC | PPC_OPCODE_601, 0 }, @@ -82,6 +94,10 @@ struct ppc_mopt ppc_opts[] = { 0 }, { "750cl", PPC_OPCODE_PPC | PPC_OPCODE_750 | PPC_OPCODE_PPCPS , 0 }, + { "gekko", PPC_OPCODE_PPC | PPC_OPCODE_750 | PPC_OPCODE_PPCPS + , 0 }, + { "broadway", PPC_OPCODE_PPC | PPC_OPCODE_750 | PPC_OPCODE_PPCPS + , 0 }, { "821", PPC_OPCODE_PPC | PPC_OPCODE_860, 0 }, { "850", PPC_OPCODE_PPC | PPC_OPCODE_860, @@ -93,8 +109,8 @@ struct ppc_mopt ppc_opts[] = { | PPC_OPCODE_A2), 0 }, { "altivec", PPC_OPCODE_PPC, - PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2 }, - { "any", 0, + PPC_OPCODE_ALTIVEC }, + { "any", PPC_OPCODE_PPC, PPC_OPCODE_ANY }, { "booke", PPC_OPCODE_PPC | PPC_OPCODE_BOOKE, 0 }, @@ -105,6 +121,12 @@ struct ppc_mopt ppc_opts[] = { 0 }, { "com", PPC_OPCODE_COMMON, 0 }, + { "e200z4", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE| PPC_OPCODE_SPE + | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK + | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI + | PPC_OPCODE_E500 | PPC_OPCODE_VLE | PPC_OPCODE_E200Z4 + | PPC_OPCODE_EFS2 | PPC_OPCODE_LSP), + 0 }, { "e300", PPC_OPCODE_PPC | PPC_OPCODE_E300, 0 }, { "e500", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_SPE @@ -124,13 +146,12 @@ struct ppc_mopt ppc_opts[] = { { "e5500", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI | PPC_OPCODE_E500MC | PPC_OPCODE_64 | PPC_OPCODE_POWER4 - | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 - | PPC_OPCODE_POWER7), + | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7), 0 }, { "e6500", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI | PPC_OPCODE_E500MC | PPC_OPCODE_64 | PPC_OPCODE_ALTIVEC - | PPC_OPCODE_ALTIVEC2 | PPC_OPCODE_E6500 | PPC_OPCODE_POWER4 + | PPC_OPCODE_E6500 | PPC_OPCODE_TMR | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7), 0 }, { "e500x2", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_SPE @@ -140,6 +161,8 @@ struct ppc_mopt ppc_opts[] = { 0 }, { "efs", PPC_OPCODE_PPC | PPC_OPCODE_EFS, 0 }, + { "efs2", PPC_OPCODE_PPC | PPC_OPCODE_EFS | PPC_OPCODE_EFS2, + 0 }, { "power4", PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4, 0 }, { "power5", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4 @@ -154,21 +177,34 @@ struct ppc_mopt ppc_opts[] = { 0 }, { "power8", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 - | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_HTM - | PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2 | PPC_OPCODE_VSX), + | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 + | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX), 0 }, { "power9", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_POWER9 - | PPC_OPCODE_HTM | PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2 - | PPC_OPCODE_VSX | PPC_OPCODE_VSX3 ), + | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX), + 0 }, + { "power10", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64 + | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 + | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_POWER9 + | PPC_OPCODE_POWER10 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX), + 0 }, + { "future", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64 + | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 + | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_POWER9 + | PPC_OPCODE_POWER10 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX), 0 }, { "ppc", PPC_OPCODE_PPC, 0 }, { "ppc32", PPC_OPCODE_PPC, 0 }, + { "32", PPC_OPCODE_PPC, + 0 }, { "ppc64", PPC_OPCODE_PPC | PPC_OPCODE_64, 0 }, + { "64", PPC_OPCODE_PPC | PPC_OPCODE_64, + 0 }, { "ppc64bridge", PPC_OPCODE_PPC | PPC_OPCODE_64_BRIDGE, 0 }, { "ppcps", PPC_OPCODE_PPC | PPC_OPCODE_PPCPS, @@ -194,31 +230,32 @@ struct ppc_mopt ppc_opts[] = { 0 }, { "pwr8", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 - | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_HTM - | PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2 | PPC_OPCODE_VSX), + | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 + | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX), 0 }, { "pwr9", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_POWER9 - | PPC_OPCODE_HTM | PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2 - | PPC_OPCODE_VSX | PPC_OPCODE_VSX3 ), + | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX), 0 }, { "pwrx", PPC_OPCODE_POWER | PPC_OPCODE_POWER2, 0 }, + { "raw", PPC_OPCODE_PPC, + PPC_OPCODE_RAW }, { "spe", PPC_OPCODE_PPC | PPC_OPCODE_EFS, PPC_OPCODE_SPE }, + { "spe2", PPC_OPCODE_PPC | PPC_OPCODE_EFS | PPC_OPCODE_EFS2 | PPC_OPCODE_SPE, + PPC_OPCODE_SPE2 }, { "titan", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_PMR | PPC_OPCODE_RFMCI | PPC_OPCODE_TITAN), 0 }, { "vle", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE| PPC_OPCODE_SPE | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI - | PPC_OPCODE_E500), + | PPC_OPCODE_LSP | PPC_OPCODE_EFS2 | PPC_OPCODE_SPE2), PPC_OPCODE_VLE }, { "vsx", PPC_OPCODE_PPC, - PPC_OPCODE_VSX | PPC_OPCODE_VSX3 }, - { "htm", PPC_OPCODE_PPC, - PPC_OPCODE_HTM }, + PPC_OPCODE_VSX }, }; /* Switch between Booke and VLE dialects for interlinked dumps. */ @@ -227,11 +264,12 @@ get_powerpc_dialect (struct disassemble_info *info) { ppc_cpu_t dialect = 0; - dialect = POWERPC_DIALECT (info); + if (info->private_data) + dialect = POWERPC_DIALECT (info); /* Disassemble according to the section headers flags for VLE-mode. */ if (dialect & PPC_OPCODE_VLE - && info->section->owner != NULL + && info->section != NULL && info->section->owner != NULL && bfd_get_flavour (info->section->owner) == bfd_target_elf_flavour && elf_object_id (info->section->owner) == PPC32_ELF_DATA && (elf_section_flags (info->section) & SHF_PPC_VLE) != 0) @@ -247,8 +285,8 @@ ppc_parse_cpu (ppc_cpu_t ppc_cpu, ppc_cpu_t *sticky, const char *arg) { unsigned int i; - for (i = 0; i < sizeof (ppc_opts) / sizeof (ppc_opts[0]); i++) - if (strcmp (ppc_opts[i].opt, arg) == 0) + for (i = 0; i < ARRAY_SIZE (ppc_opts); i++) + if (disassembler_options_cmp (ppc_opts[i].opt, arg) == 0) { if (ppc_opts[i].sticky) { @@ -259,7 +297,7 @@ ppc_parse_cpu (ppc_cpu_t ppc_cpu, ppc_cpu_t *sticky, const char *arg) ppc_cpu = ppc_opts[i].cpu; break; } - if (i >= sizeof (ppc_opts) / sizeof (ppc_opts[0])) + if (i >= ARRAY_SIZE (ppc_opts)) return 0; ppc_cpu |= *sticky; @@ -273,11 +311,10 @@ powerpc_init_dialect (struct disassemble_info *info) { ppc_cpu_t dialect = 0; ppc_cpu_t sticky = 0; - char *arg; struct dis_private *priv = calloc (sizeof (*priv), 1); if (priv == NULL) - priv = &private; + return; switch (info->mach) { @@ -291,6 +328,9 @@ powerpc_init_dialect (struct disassemble_info *info) case bfd_mach_ppc_601: dialect = ppc_parse_cpu (dialect, &sticky, "601"); break; + case bfd_mach_ppc_750: + dialect = ppc_parse_cpu (dialect, &sticky, "750cl"); + break; case bfd_mach_ppc_a35: case bfd_mach_ppc_rs64ii: case bfd_mach_ppc_rs64iii: @@ -318,40 +358,41 @@ powerpc_init_dialect (struct disassemble_info *info) dialect = ppc_parse_cpu (dialect, &sticky, "vle"); break; default: - dialect = ppc_parse_cpu (dialect, &sticky, "power9") | PPC_OPCODE_ANY; + if (info->arch == bfd_arch_powerpc) + dialect = ppc_parse_cpu (dialect, &sticky, "power10") | PPC_OPCODE_ANY; + else + dialect = ppc_parse_cpu (dialect, &sticky, "pwr"); + break; } - arg = info->disassembler_options; - while (arg != NULL) + const char *opt; + FOR_EACH_DISASSEMBLER_OPTION (opt, info->disassembler_options) { ppc_cpu_t new_cpu = 0; - char *end = strchr (arg, ','); - if (end != NULL) - *end = 0; - - if ((new_cpu = ppc_parse_cpu (dialect, &sticky, arg)) != 0) - dialect = new_cpu; - else if (strcmp (arg, "32") == 0) + if (disassembler_options_cmp (opt, "32") == 0) dialect &= ~(ppc_cpu_t) PPC_OPCODE_64; - else if (strcmp (arg, "64") == 0) + else if (disassembler_options_cmp (opt, "64") == 0) dialect |= PPC_OPCODE_64; + else if ((new_cpu = ppc_parse_cpu (dialect, &sticky, opt)) != 0) + dialect = new_cpu; else - fprintf (stderr, _("warning: ignoring unknown -M%s option\n"), arg); - - if (end != NULL) - *end++ = ','; - arg = end; + /* xgettext: c-format */ + opcodes_error_handler (_("warning: ignoring unknown -M%s option"), opt); } info->private_data = priv; POWERPC_DIALECT(info) = dialect; } -#define PPC_OPCD_SEGS 64 -static unsigned short powerpc_opcd_indices[PPC_OPCD_SEGS+1]; -#define VLE_OPCD_SEGS 32 -static unsigned short vle_opcd_indices[VLE_OPCD_SEGS+1]; +#define PPC_OPCD_SEGS (1 + PPC_OP (-1)) +static unsigned short powerpc_opcd_indices[PPC_OPCD_SEGS + 1]; +#define PREFIX_OPCD_SEGS (1 + PPC_PREFIX_SEG (-1)) +static unsigned short prefix_opcd_indices[PREFIX_OPCD_SEGS + 1]; +#define VLE_OPCD_SEGS (1 + VLE_OP_TO_SEG (VLE_OP (-1, 0xffff))) +static unsigned short vle_opcd_indices[VLE_OPCD_SEGS + 1]; +#define SPE2_OPCD_SEGS (1 + SPE2_XOP_TO_SEG (SPE2_XOP (-1))) +static unsigned short spe2_opcd_indices[SPE2_OPCD_SEGS + 1]; /* Calculate opcode table indices to speed up disassembly, and init dialect. */ @@ -359,48 +400,54 @@ static unsigned short vle_opcd_indices[VLE_OPCD_SEGS+1]; void disassemble_init_powerpc (struct disassemble_info *info) { - int i; - unsigned short last; - if (powerpc_opcd_indices[PPC_OPCD_SEGS] == 0) { + unsigned seg, idx, op; + + /* PPC opcodes */ + for (seg = 0, idx = 0; seg <= PPC_OPCD_SEGS; seg++) + { + powerpc_opcd_indices[seg] = idx; + for (; idx < powerpc_num_opcodes; idx++) + if (seg < PPC_OP (powerpc_opcodes[idx].opcode)) + break; + } + + /* 64-bit prefix opcodes */ + for (seg = 0, idx = 0; seg <= PREFIX_OPCD_SEGS; seg++) + { + prefix_opcd_indices[seg] = idx; + for (; idx < prefix_num_opcodes; idx++) + if (seg < PPC_PREFIX_SEG (prefix_opcodes[idx].opcode)) + break; + } + + /* VLE opcodes */ + for (seg = 0, idx = 0; seg <= VLE_OPCD_SEGS; seg++) + { + vle_opcd_indices[seg] = idx; + for (; idx < vle_num_opcodes; idx++) + { + op = VLE_OP (vle_opcodes[idx].opcode, vle_opcodes[idx].mask); + if (seg < VLE_OP_TO_SEG (op)) + break; + } + } - i = powerpc_num_opcodes; - while (--i >= 0) - { - unsigned op = PPC_OP (powerpc_opcodes[i].opcode); - - powerpc_opcd_indices[op] = i; - } - - last = powerpc_num_opcodes; - for (i = PPC_OPCD_SEGS; i > 0; --i) - { - if (powerpc_opcd_indices[i] == 0) - powerpc_opcd_indices[i] = last; - last = powerpc_opcd_indices[i]; - } - - i = vle_num_opcodes; - while (--i >= 0) - { - unsigned op = VLE_OP (vle_opcodes[i].opcode, vle_opcodes[i].mask); - unsigned seg = VLE_OP_TO_SEG (op); - - vle_opcd_indices[seg] = i; - } - - last = vle_num_opcodes; - for (i = VLE_OPCD_SEGS; i > 0; --i) - { - if (vle_opcd_indices[i] == 0) - vle_opcd_indices[i] = last; - last = vle_opcd_indices[i]; - } + /* SPE2 opcodes */ + for (seg = 0, idx = 0; seg <= SPE2_OPCD_SEGS; seg++) + { + spe2_opcd_indices[seg] = idx; + for (; idx < spe2_num_opcodes; idx++) + { + op = SPE2_XOP (spe2_opcodes[idx].opcode); + if (seg < SPE2_XOP_TO_SEG (op)) + break; + } + } } - if (info->arch == bfd_arch_powerpc) - powerpc_init_dialect (info); + powerpc_init_dialect (info); } /* Print a big endian PowerPC instruction. */ @@ -419,22 +466,14 @@ print_insn_little_powerpc (bfd_vma memaddr, struct disassemble_info *info) return print_insn_powerpc (memaddr, info, 0, get_powerpc_dialect (info)); } -/* Print a POWER (RS/6000) instruction. */ - -int -print_insn_rs6000 (bfd_vma memaddr, struct disassemble_info *info) -{ - return print_insn_powerpc (memaddr, info, 1, PPC_OPCODE_POWER); -} - /* Extract the operand value from the PowerPC or POWER instruction. */ -static long +static int64_t operand_value_powerpc (const struct powerpc_operand *operand, - unsigned long insn, ppc_cpu_t dialect) + uint64_t insn, ppc_cpu_t dialect) { - long value; - int invalid; + int64_t value; + int invalid = 0; /* Extract the value from the instruction. */ if (operand->extract) value = (*operand->extract) (insn, dialect, &invalid); @@ -448,7 +487,7 @@ operand_value_powerpc (const struct powerpc_operand *operand, { /* BITM is always some number of zeros followed by some number of ones, followed by some number of zeros. */ - unsigned long top = operand->bitm; + uint64_t top = operand->bitm; /* top & -top gives the rightmost 1 bit, so this fills in any trailing zeros. */ top |= (top & -top) - 1; @@ -462,33 +501,38 @@ operand_value_powerpc (const struct powerpc_operand *operand, /* Determine whether the optional operand(s) should be printed. */ -static int +static bfd_boolean skip_optional_operands (const unsigned char *opindex, - unsigned long insn, ppc_cpu_t dialect) + uint64_t insn, ppc_cpu_t dialect) { const struct powerpc_operand *operand; + int num_optional; - for (; *opindex != 0; opindex++) + for (num_optional = 0; *opindex != 0; opindex++) { operand = &powerpc_operands[*opindex]; - if ((operand->flags & PPC_OPERAND_NEXT) != 0 - || ((operand->flags & PPC_OPERAND_OPTIONAL) != 0 - && operand_value_powerpc (operand, insn, dialect) != - ppc_optional_operand_value (operand))) - return 0; + if ((operand->flags & PPC_OPERAND_NEXT) != 0) + return FALSE; + if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0) + { + /* Negative count is used as a flag to extract function. */ + --num_optional; + if (operand_value_powerpc (operand, insn, dialect) + != ppc_optional_operand_value (operand, insn, dialect, + num_optional)) + return FALSE; + } } - return 1; + return TRUE; } -/* Find a match for INSN in the opcode table, given machine DIALECT. - A DIALECT of -1 is special, matching all machine opcode variations. */ +/* Find a match for INSN in the opcode table, given machine DIALECT. */ static const struct powerpc_opcode * -lookup_powerpc (unsigned long insn, ppc_cpu_t dialect) +lookup_powerpc (uint64_t insn, ppc_cpu_t dialect) { - const struct powerpc_opcode *opcode; - const struct powerpc_opcode *opcode_end; + const struct powerpc_opcode *opcode, *opcode_end, *last; unsigned long op; /* Get the major opcode of the instruction. */ @@ -496,6 +540,7 @@ lookup_powerpc (unsigned long insn, ppc_cpu_t dialect) /* Find the first match in the opcode table for this major opcode. */ opcode_end = powerpc_opcodes + powerpc_opcd_indices[op + 1]; + last = NULL; for (opcode = powerpc_opcodes + powerpc_opcd_indices[op]; opcode < opcode_end; ++opcode) @@ -505,7 +550,7 @@ lookup_powerpc (unsigned long insn, ppc_cpu_t dialect) int invalid; if ((insn & opcode->mask) != opcode->opcode - || (dialect != (ppc_cpu_t) -1 + || ((dialect & PPC_OPCODE_ANY) == 0 && ((opcode->flags & dialect) == 0 || (opcode->deprecated & dialect) != 0))) continue; @@ -521,16 +566,73 @@ lookup_powerpc (unsigned long insn, ppc_cpu_t dialect) if (invalid) continue; - return opcode; + if ((dialect & PPC_OPCODE_RAW) == 0) + return opcode; + + /* The raw machine insn is one that is not a specialization. */ + if (last == NULL + || (last->mask & ~opcode->mask) != 0) + last = opcode; } - return NULL; + return last; +} + +/* Find a match for INSN in the PREFIX opcode table. */ + +static const struct powerpc_opcode * +lookup_prefix (uint64_t insn, ppc_cpu_t dialect) +{ + const struct powerpc_opcode *opcode, *opcode_end, *last; + unsigned long seg; + + /* Get the opcode segment of the instruction. */ + seg = PPC_PREFIX_SEG (insn); + + /* Find the first match in the opcode table for this major opcode. */ + opcode_end = prefix_opcodes + prefix_opcd_indices[seg + 1]; + last = NULL; + for (opcode = prefix_opcodes + prefix_opcd_indices[seg]; + opcode < opcode_end; + ++opcode) + { + const unsigned char *opindex; + const struct powerpc_operand *operand; + int invalid; + + if ((insn & opcode->mask) != opcode->opcode + || ((dialect & PPC_OPCODE_ANY) == 0 + && ((opcode->flags & dialect) == 0 + || (opcode->deprecated & dialect) != 0))) + continue; + + /* Check validity of operands. */ + invalid = 0; + for (opindex = opcode->operands; *opindex != 0; opindex++) + { + operand = powerpc_operands + *opindex; + if (operand->extract) + (*operand->extract) (insn, dialect, &invalid); + } + if (invalid) + continue; + + if ((dialect & PPC_OPCODE_RAW) == 0) + return opcode; + + /* The raw machine insn is one that is not a specialization. */ + if (last == NULL + || (last->mask & ~opcode->mask) != 0) + last = opcode; + } + + return last; } /* Find a match for INSN in the VLE opcode table. */ static const struct powerpc_opcode * -lookup_vle (unsigned long insn) +lookup_vle (uint64_t insn) { const struct powerpc_opcode *opcode; const struct powerpc_opcode *opcode_end; @@ -550,10 +652,10 @@ lookup_vle (unsigned long insn) opcode < opcode_end; ++opcode) { - unsigned long table_opcd = opcode->opcode; - unsigned long table_mask = opcode->mask; + uint64_t table_opcd = opcode->opcode; + uint64_t table_mask = opcode->mask; bfd_boolean table_op_is_short = PPC_OP_SE_VLE(table_mask); - unsigned long insn2; + uint64_t insn2; const unsigned char *opindex; const struct powerpc_operand *operand; int invalid; @@ -581,6 +683,58 @@ lookup_vle (unsigned long insn) return NULL; } +/* Find a match for INSN in the SPE2 opcode table. */ + +static const struct powerpc_opcode * +lookup_spe2 (uint64_t insn) +{ + const struct powerpc_opcode *opcode, *opcode_end; + unsigned op, xop, seg; + + op = PPC_OP (insn); + if (op != 0x4) + { + /* This is not SPE2 insn. + * All SPE2 instructions have OP=4 and differs by XOP */ + return NULL; + } + xop = SPE2_XOP (insn); + seg = SPE2_XOP_TO_SEG (xop); + + /* Find the first match in the opcode table for this major opcode. */ + opcode_end = spe2_opcodes + spe2_opcd_indices[seg + 1]; + for (opcode = spe2_opcodes + spe2_opcd_indices[seg]; + opcode < opcode_end; + ++opcode) + { + uint64_t table_opcd = opcode->opcode; + uint64_t table_mask = opcode->mask; + uint64_t insn2; + const unsigned char *opindex; + const struct powerpc_operand *operand; + int invalid; + + insn2 = insn; + if ((insn2 & table_mask) != table_opcd) + continue; + + /* Check validity of operands. */ + invalid = 0; + for (opindex = opcode->operands; *opindex != 0; ++opindex) + { + operand = powerpc_operands + *opindex; + if (operand->extract) + (*operand->extract) (insn, (ppc_cpu_t)0, &invalid); + } + if (invalid) + continue; + + return opcode; + } + + return NULL; +} + /* Print a PowerPC or POWER instruction. */ static int @@ -591,30 +745,25 @@ print_insn_powerpc (bfd_vma memaddr, { bfd_byte buffer[4]; int status; - unsigned long insn; + uint64_t insn; const struct powerpc_opcode *opcode; - bfd_boolean insn_is_short; + int insn_length = 4; /* Assume we have a normal 4-byte instruction. */ status = (*info->read_memory_func) (memaddr, buffer, 4, info); + + /* The final instruction may be a 2-byte VLE insn. */ + if (status != 0 && (dialect & PPC_OPCODE_VLE) != 0) + { + /* Clear buffer so unused bytes will not have garbage in them. */ + buffer[2] = buffer[3] = 0; + status = (*info->read_memory_func) (memaddr, buffer, 2, info); + insn_length = 2; + } + if (status != 0) { - /* The final instruction may be a 2-byte VLE insn. */ - if ((dialect & PPC_OPCODE_VLE) != 0) - { - /* Clear buffer so unused bytes will not have garbage in them. */ - buffer[0] = buffer[1] = buffer[2] = buffer[3] = 0; - status = (*info->read_memory_func) (memaddr, buffer, 2, info); - if (status != 0) - { - (*info->memory_error_func) (status, memaddr, info); - return -1; - } - } - else - { - (*info->memory_error_func) (status, memaddr, info); - return -1; - } + (*info->memory_error_func) (status, memaddr, info); + return -1; } if (bigendian) @@ -624,95 +773,133 @@ print_insn_powerpc (bfd_vma memaddr, /* Get the major opcode of the insn. */ opcode = NULL; - insn_is_short = FALSE; - if ((dialect & PPC_OPCODE_VLE) != 0) + if ((dialect & PPC_OPCODE_POWER10) != 0 + && PPC_OP (insn) == 0x1) + { + uint64_t temp_insn, suffix; + status = (*info->read_memory_func) (memaddr + 4, buffer, 4, info); + if (status == 0) + { + if (bigendian) + suffix = bfd_getb32 (buffer); + else + suffix = bfd_getl32 (buffer); + temp_insn = (insn << 32) | suffix; + opcode = lookup_prefix (temp_insn, dialect & ~PPC_OPCODE_ANY); + if (opcode == NULL && (dialect & PPC_OPCODE_ANY) != 0) + opcode = lookup_prefix (temp_insn, dialect); + if (opcode != NULL) + { + insn = temp_insn; + insn_length = 8; + if ((info->flags & WIDE_OUTPUT) != 0) + info->bytes_per_line = 8; + } + } + } + if (opcode == NULL && (dialect & PPC_OPCODE_VLE) != 0) { opcode = lookup_vle (insn); - if (opcode != NULL) - insn_is_short = PPC_OP_SE_VLE(opcode->mask); + if (opcode != NULL && PPC_OP_SE_VLE (opcode->mask)) + { + /* The operands will be fetched out of the 16-bit instruction. */ + insn >>= 16; + insn_length = 2; + } + } + if (opcode == NULL && insn_length == 4) + { + if ((dialect & PPC_OPCODE_SPE2) != 0) + opcode = lookup_spe2 (insn); + if (opcode == NULL) + opcode = lookup_powerpc (insn, dialect & ~PPC_OPCODE_ANY); + if (opcode == NULL && (dialect & PPC_OPCODE_ANY) != 0) + opcode = lookup_powerpc (insn, dialect); } - if (opcode == NULL) - opcode = lookup_powerpc (insn, dialect); - if (opcode == NULL && (dialect & PPC_OPCODE_ANY) != 0) - opcode = lookup_powerpc (insn, (ppc_cpu_t) -1); if (opcode != NULL) { const unsigned char *opindex; const struct powerpc_operand *operand; - int need_comma; - int need_paren; - int skip_optional; - - if (opcode->operands[0] != 0) - (*info->fprintf_func) (info->stream, "%-7s ", opcode->name); - else - (*info->fprintf_func) (info->stream, "%s", opcode->name); - - if (insn_is_short) - /* The operands will be fetched out of the 16-bit instruction. */ - insn >>= 16; + enum { + need_comma = 0, + need_1space = 1, + need_2spaces = 2, + need_3spaces = 3, + need_4spaces = 4, + need_5spaces = 5, + need_6spaces = 6, + need_7spaces = 7, + need_paren + } op_separator; + bfd_boolean skip_optional; + int blanks; + + (*info->fprintf_func) (info->stream, "%s", opcode->name); + /* gdb fprintf_func doesn't return count printed. */ + blanks = 8 - strlen (opcode->name); + if (blanks <= 0) + blanks = 1; /* Now extract and print the operands. */ - need_comma = 0; - need_paren = 0; - skip_optional = -1; + op_separator = blanks; + skip_optional = FALSE; for (opindex = opcode->operands; *opindex != 0; opindex++) { - long value; + int64_t value; operand = powerpc_operands + *opindex; - /* Operands that are marked FAKE are simply ignored. We - already made sure that the extract function considered - the instruction to be valid. */ - if ((operand->flags & PPC_OPERAND_FAKE) != 0) - continue; - - /* If all of the optional operands have the value zero, - then don't print any of them. */ - if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0) + /* If all of the optional operands past this one have their + default value, then don't print any of them. Except in + raw mode, print them all. */ + if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0 + && (dialect & PPC_OPCODE_RAW) == 0) { - if (skip_optional < 0) - skip_optional = skip_optional_operands (opindex, insn, - dialect); + if (!skip_optional) + skip_optional = skip_optional_operands (opindex, insn, dialect); if (skip_optional) continue; } value = operand_value_powerpc (operand, insn, dialect); - if (need_comma) - { - (*info->fprintf_func) (info->stream, ","); - need_comma = 0; - } + if (op_separator == need_comma) + (*info->fprintf_func) (info->stream, ","); + else if (op_separator == need_paren) + (*info->fprintf_func) (info->stream, "("); + else + (*info->fprintf_func) (info->stream, "%*s", op_separator, " "); /* Print the operand as directed by the flags. */ if ((operand->flags & PPC_OPERAND_GPR) != 0 || ((operand->flags & PPC_OPERAND_GPR_0) != 0 && value != 0)) - (*info->fprintf_func) (info->stream, "r%ld", value); + (*info->fprintf_func) (info->stream, "r%" PRId64, value); else if ((operand->flags & PPC_OPERAND_FPR) != 0) - (*info->fprintf_func) (info->stream, "f%ld", value); + (*info->fprintf_func) (info->stream, "f%" PRId64, value); else if ((operand->flags & PPC_OPERAND_VR) != 0) - (*info->fprintf_func) (info->stream, "v%ld", value); + (*info->fprintf_func) (info->stream, "v%" PRId64, value); else if ((operand->flags & PPC_OPERAND_VSR) != 0) - (*info->fprintf_func) (info->stream, "vs%ld", value); + (*info->fprintf_func) (info->stream, "vs%" PRId64, value); + else if ((operand->flags & PPC_OPERAND_ACC) != 0) + (*info->fprintf_func) (info->stream, "a%" PRId64, value); else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0) (*info->print_address_func) (memaddr + value, info); else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0) (*info->print_address_func) ((bfd_vma) value & 0xffffffff, info); else if ((operand->flags & PPC_OPERAND_FSL) != 0) - (*info->fprintf_func) (info->stream, "fsl%ld", value); + (*info->fprintf_func) (info->stream, "fsl%" PRId64, value); else if ((operand->flags & PPC_OPERAND_FCR) != 0) - (*info->fprintf_func) (info->stream, "fcr%ld", value); + (*info->fprintf_func) (info->stream, "fcr%" PRId64, value); else if ((operand->flags & PPC_OPERAND_UDI) != 0) - (*info->fprintf_func) (info->stream, "%ld", value); + (*info->fprintf_func) (info->stream, "%" PRId64, value); else if ((operand->flags & PPC_OPERAND_CR_REG) != 0 + && (operand->flags & PPC_OPERAND_CR_BIT) == 0 && (((dialect & PPC_OPCODE_PPC) != 0) || ((dialect & PPC_OPCODE_VLE) != 0))) - (*info->fprintf_func) (info->stream, "cr%ld", value); - else if (((operand->flags & PPC_OPERAND_CR_BIT) != 0) + (*info->fprintf_func) (info->stream, "cr%" PRId64, value); + else if ((operand->flags & PPC_OPERAND_CR_BIT) != 0 + && (operand->flags & PPC_OPERAND_CR_REG) == 0 && (((dialect & PPC_OPCODE_PPC) != 0) || ((dialect & PPC_OPCODE_VLE) != 0))) { @@ -727,39 +914,54 @@ print_insn_powerpc (bfd_vma memaddr, (*info->fprintf_func) (info->stream, "%s", cbnames[cc]); } else - (*info->fprintf_func) (info->stream, "%d", (int) value); + (*info->fprintf_func) (info->stream, "%" PRId64, value); - if (need_paren) - { - (*info->fprintf_func) (info->stream, ")"); - need_paren = 0; - } + if (op_separator == need_paren) + (*info->fprintf_func) (info->stream, ")"); - if ((operand->flags & PPC_OPERAND_PARENS) == 0) - need_comma = 1; - else - { - (*info->fprintf_func) (info->stream, "("); - need_paren = 1; - } + op_separator = need_comma; + if ((operand->flags & PPC_OPERAND_PARENS) != 0) + op_separator = need_paren; } - /* We have found and printed an instruction. - If it was a short VLE instruction we have more to do. */ - if (insn_is_short) - { - memaddr += 2; - return 2; - } - else - /* Otherwise, return. */ - return 4; + /* We have found and printed an instruction. */ + return insn_length; } /* We could not find a match. */ - (*info->fprintf_func) (info->stream, ".long 0x%lx", insn); + if (insn_length == 4) + (*info->fprintf_func) (info->stream, ".long 0x%x", + (unsigned int) insn); + else + (*info->fprintf_func) (info->stream, ".word 0x%x", + (unsigned int) insn >> 16); + return insn_length; +} + +const disasm_options_and_args_t * +disassembler_options_powerpc (void) +{ + static disasm_options_and_args_t *opts_and_args; + + if (opts_and_args == NULL) + { + size_t i, num_options = ARRAY_SIZE (ppc_opts); + disasm_options_t *opts; + + opts_and_args = XNEW (disasm_options_and_args_t); + opts_and_args->args = NULL; + + opts = &opts_and_args->options; + opts->name = XNEWVEC (const char *, num_options + 1); + opts->description = NULL; + opts->arg = NULL; + for (i = 0; i < num_options; i++) + opts->name[i] = ppc_opts[i].opt; + /* The array we return must be NULL terminated. */ + opts->name[i] = NULL; + } - return 4; + return opts_and_args; } void @@ -771,7 +973,7 @@ print_ppc_disassembler_options (FILE *stream) The following PPC specific disassembler options are supported for use with\n\ the -M switch:\n")); - for (col = 0, i = 0; i < sizeof (ppc_opts) / sizeof (ppc_opts[0]); i++) + for (col = 0, i = 0; i < ARRAY_SIZE (ppc_opts); i++) { col += fprintf (stream, " %s,", ppc_opts[i].opt); if (col > 66) @@ -780,5 +982,5 @@ the -M switch:\n")); col = 0; } } - fprintf (stream, " 32, 64\n"); + fprintf (stream, "\n"); }