/* ppc-dis.c -- Disassemble PowerPC instructions
- Copyright 1994, 1995, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
- Free Software Foundation, Inc.
+ Copyright 1994, 1995, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
+ 2008, 2009, 2010 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support
This file is part of the GNU opcodes library.
#include <stdio.h>
#include "sysdep.h"
#include "dis-asm.h"
+#include "opintl.h"
#include "opcode/ppc.h"
/* This file provides several disassembler functions, all of which use
#define POWERPC_DIALECT(INFO) \
(((struct dis_private *) ((INFO)->private_data))->dialect)
-/* Determine which set of machines to disassemble for. PPC403/601 or
- BookE. For convenience, also disassemble instructions supported
- by the AltiVec vector unit. */
+struct ppc_mopt {
+ const char *opt;
+ ppc_cpu_t cpu;
+ ppc_cpu_t sticky;
+};
+
+struct ppc_mopt ppc_opts[] = {
+ { "403", (PPC_OPCODE_PPC | PPC_OPCODE_403),
+ 0 },
+ { "405", (PPC_OPCODE_PPC | PPC_OPCODE_403 | PPC_OPCODE_405),
+ 0 },
+ { "440", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_440
+ | PPC_OPCODE_ISEL | PPC_OPCODE_RFMCI),
+ 0 },
+ { "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),
+ 0 },
+ { "601", (PPC_OPCODE_PPC | PPC_OPCODE_601),
+ 0 },
+ { "603", (PPC_OPCODE_PPC),
+ 0 },
+ { "604", (PPC_OPCODE_PPC),
+ 0 },
+ { "620", (PPC_OPCODE_PPC | PPC_OPCODE_64),
+ 0 },
+ { "7400", (PPC_OPCODE_PPC | PPC_OPCODE_ALTIVEC),
+ 0 },
+ { "7410", (PPC_OPCODE_PPC | PPC_OPCODE_ALTIVEC),
+ 0 },
+ { "7450", (PPC_OPCODE_PPC | PPC_OPCODE_ALTIVEC),
+ 0 },
+ { "7455", (PPC_OPCODE_PPC | PPC_OPCODE_ALTIVEC),
+ 0 },
+ { "750cl", (PPC_OPCODE_PPC | PPC_OPCODE_PPCPS)
+ , 0 },
+ { "a2", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_POWER4
+ | PPC_OPCODE_POWER5 | PPC_OPCODE_CACHELCK | PPC_OPCODE_64
+ | PPC_OPCODE_A2),
+ 0 },
+ { "altivec", (PPC_OPCODE_PPC),
+ PPC_OPCODE_ALTIVEC },
+ { "any", 0,
+ PPC_OPCODE_ANY },
+ { "booke", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE),
+ 0 },
+ { "booke32", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE),
+ 0 },
+ { "cell", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
+ | PPC_OPCODE_CELL | PPC_OPCODE_ALTIVEC),
+ 0 },
+ { "com", (PPC_OPCODE_COMMON),
+ 0 },
+ { "e300", (PPC_OPCODE_PPC | PPC_OPCODE_E300),
+ 0 },
+ { "e500", (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),
+ 0 },
+ { "e500mc", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
+ | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
+ | PPC_OPCODE_E500MC),
+ 0 },
+ { "e500mc64", (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_POWER5
+ | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7),
+ 0 },
+ { "e500x2", (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),
+ 0 },
+ { "efs", (PPC_OPCODE_PPC | PPC_OPCODE_EFS),
+ 0 },
+ { "power4", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4),
+ 0 },
+ { "power5", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
+ | PPC_OPCODE_POWER5),
+ 0 },
+ { "power6", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
+ | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_ALTIVEC),
+ 0 },
+ { "power7", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
+ | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
+ | PPC_OPCODE_POWER7 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX),
+ 0 },
+ { "ppc", (PPC_OPCODE_PPC),
+ 0 },
+ { "ppc32", (PPC_OPCODE_PPC),
+ 0 },
+ { "ppc64", (PPC_OPCODE_PPC | PPC_OPCODE_64),
+ 0 },
+ { "ppc64bridge", (PPC_OPCODE_PPC | PPC_OPCODE_64_BRIDGE),
+ 0 },
+ { "ppcps", (PPC_OPCODE_PPC | PPC_OPCODE_PPCPS),
+ 0 },
+ { "pwr", (PPC_OPCODE_POWER),
+ 0 },
+ { "pwr2", (PPC_OPCODE_POWER | PPC_OPCODE_POWER2),
+ 0 },
+ { "pwr4", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4),
+ 0 },
+ { "pwr5", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
+ | PPC_OPCODE_POWER5),
+ 0 },
+ { "pwr5x", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
+ | PPC_OPCODE_POWER5),
+ 0 },
+ { "pwr6", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
+ | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_ALTIVEC),
+ 0 },
+ { "pwr7", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
+ | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
+ | PPC_OPCODE_POWER7 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX),
+ 0 },
+ { "pwrx", (PPC_OPCODE_POWER | PPC_OPCODE_POWER2),
+ 0 },
+ { "spe", (PPC_OPCODE_PPC | PPC_OPCODE_EFS),
+ PPC_OPCODE_SPE },
+ { "titan", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_PMR
+ | PPC_OPCODE_RFMCI | PPC_OPCODE_TITAN),
+ 0 },
+ { "vsx", (PPC_OPCODE_PPC),
+ PPC_OPCODE_VSX },
+};
+
+/* Handle -m and -M options that set cpu type, and .machine arg. */
+
+ppc_cpu_t
+ppc_parse_cpu (ppc_cpu_t ppc_cpu, const char *arg)
+{
+ /* Sticky bits. */
+ ppc_cpu_t retain_flags = ppc_cpu & (PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX
+ | PPC_OPCODE_SPE | PPC_OPCODE_ANY);
+ unsigned int i;
+
+ for (i = 0; i < sizeof (ppc_opts) / sizeof (ppc_opts[0]); i++)
+ if (strcmp (ppc_opts[i].opt, arg) == 0)
+ {
+ if (ppc_opts[i].sticky)
+ {
+ retain_flags |= ppc_opts[i].sticky;
+ if ((ppc_cpu & ~(ppc_cpu_t) (PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX
+ | PPC_OPCODE_SPE | PPC_OPCODE_ANY)) != 0)
+ break;
+ }
+ ppc_cpu = ppc_opts[i].cpu;
+ break;
+ }
+ if (i >= sizeof (ppc_opts) / sizeof (ppc_opts[0]))
+ return 0;
+
+ ppc_cpu |= retain_flags;
+ return ppc_cpu;
+}
+
+/* Determine which set of machines to disassemble for. */
static int
powerpc_init_dialect (struct disassemble_info *info)
{
- ppc_cpu_t dialect = PPC_OPCODE_PPC;
+ ppc_cpu_t dialect = 0;
+ char *arg;
struct dis_private *priv = calloc (sizeof (*priv), 1);
if (priv == NULL)
return FALSE;
- if (BFD_DEFAULT_TARGET_SIZE == 64)
- dialect |= PPC_OPCODE_64;
-
- if (info->disassembler_options
- && strstr (info->disassembler_options, "ppcps") != NULL)
- dialect |= PPC_OPCODE_PPCPS;
- else if (info->disassembler_options
- && strstr (info->disassembler_options, "booke") != NULL)
- dialect |= PPC_OPCODE_BOOKE | PPC_OPCODE_BOOKE64;
- else if ((info->mach == bfd_mach_ppc_e500mc)
- || (info->disassembler_options
- && strstr (info->disassembler_options, "e500mc") != NULL))
- dialect |= (PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
- | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK
- | PPC_OPCODE_RFMCI | PPC_OPCODE_E500MC);
- else if ((info->mach == bfd_mach_ppc_e500)
- || (info->disassembler_options
- && strstr (info->disassembler_options, "e500") != NULL))
- dialect |= (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_E500MC);
- else if (info->disassembler_options
- && strstr (info->disassembler_options, "efs") != NULL)
- dialect |= PPC_OPCODE_EFS;
- else if (info->disassembler_options
- && strstr (info->disassembler_options, "e300") != NULL)
- dialect |= PPC_OPCODE_E300 | PPC_OPCODE_CLASSIC | PPC_OPCODE_COMMON;
- else if (info->disassembler_options
- && strstr (info->disassembler_options, "440") != NULL)
- dialect |= PPC_OPCODE_BOOKE | PPC_OPCODE_32
- | PPC_OPCODE_440 | PPC_OPCODE_ISEL | PPC_OPCODE_RFMCI;
- else
- dialect |= (PPC_OPCODE_403 | PPC_OPCODE_601 | PPC_OPCODE_CLASSIC
- | PPC_OPCODE_COMMON | PPC_OPCODE_ALTIVEC);
-
- if (info->disassembler_options
- && strstr (info->disassembler_options, "power4") != NULL)
- dialect |= PPC_OPCODE_POWER4;
-
- if (info->disassembler_options
- && strstr (info->disassembler_options, "power5") != NULL)
- dialect |= PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5;
+ arg = info->disassembler_options;
+ while (arg != NULL)
+ {
+ ppc_cpu_t new_cpu = 0;
+ char *end = strchr (arg, ',');
- if (info->disassembler_options
- && strstr (info->disassembler_options, "cell") != NULL)
- dialect |= PPC_OPCODE_POWER4 | PPC_OPCODE_CELL | PPC_OPCODE_ALTIVEC;
+ if (end != NULL)
+ *end = 0;
- if (info->disassembler_options
- && strstr (info->disassembler_options, "power6") != NULL)
- dialect |= PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_ALTIVEC;
+ if ((new_cpu = ppc_parse_cpu (dialect, arg)) != 0)
+ dialect = new_cpu;
+ else if (strcmp (arg, "32") == 0)
+ dialect &= ~(ppc_cpu_t) PPC_OPCODE_64;
+ else if (strcmp (arg, "64") == 0)
+ dialect |= PPC_OPCODE_64;
+ else
+ fprintf (stderr, _("warning: ignoring unknown -M%s option\n"), arg);
- if (info->disassembler_options
- && strstr (info->disassembler_options, "any") != NULL)
- dialect |= PPC_OPCODE_ANY;
+ if (end != NULL)
+ *end++ = ',';
+ arg = end;
+ }
- if (info->disassembler_options)
+ if ((dialect & ~(ppc_cpu_t) PPC_OPCODE_64) == 0)
{
- if (strstr (info->disassembler_options, "32") != NULL)
- dialect &= ~PPC_OPCODE_64;
- else if (strstr (info->disassembler_options, "64") != NULL)
+ if (info->mach == bfd_mach_ppc64)
dialect |= PPC_OPCODE_64;
+ else
+ dialect &= ~(ppc_cpu_t) PPC_OPCODE_64;
+ /* Choose a reasonable default. */
+ dialect |= (PPC_OPCODE_PPC | PPC_OPCODE_COMMON | PPC_OPCODE_601
+ | PPC_OPCODE_ALTIVEC);
}
info->private_data = priv;
const struct powerpc_opcode *opcode;
const struct powerpc_opcode *opcode_end;
unsigned long op;
+ ppc_cpu_t dialect_orig = dialect;
status = (*info->read_memory_func) (memaddr, buffer, 4, info);
if (status != 0)
continue;
if ((insn & opcode->mask) != opcode->opcode
- || (opcode->flags & dialect) == 0)
+ || (opcode->flags & dialect) == 0
+ || (opcode->deprecated & dialect_orig) != 0)
continue;
/* Make two passes over the operands. First see if any of them
(*info->fprintf_func) (info->stream, "f%ld", value);
else if ((operand->flags & PPC_OPERAND_VR) != 0)
(*info->fprintf_func) (info->stream, "v%ld", value);
+ else if ((operand->flags & PPC_OPERAND_VSR) != 0)
+ (*info->fprintf_func) (info->stream, "vs%ld", 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_CR) == 0
- || (dialect & PPC_OPCODE_PPC) == 0)
+ else if ((operand->flags & PPC_OPERAND_FSL) != 0)
+ (*info->fprintf_func) (info->stream, "fsl%ld", value);
+ else if ((operand->flags & PPC_OPERAND_FCR) != 0)
+ (*info->fprintf_func) (info->stream, "fcr%ld", value);
+ else if ((operand->flags & PPC_OPERAND_UDI) != 0)
(*info->fprintf_func) (info->stream, "%ld", value);
- else
+ else if ((operand->flags & PPC_OPERAND_CR) != 0
+ && (dialect & PPC_OPCODE_PPC) != 0)
{
if (operand->bitm == 7)
(*info->fprintf_func) (info->stream, "cr%ld", value);
(*info->fprintf_func) (info->stream, "%s", cbnames[cc]);
}
}
+ else
+ (*info->fprintf_func) (info->stream, "%ld", value);
if (need_paren)
{
if ((dialect & PPC_OPCODE_ANY) != 0)
{
- dialect = ~PPC_OPCODE_ANY;
+ dialect = ~(ppc_cpu_t) PPC_OPCODE_ANY;
goto again;
}
void
print_ppc_disassembler_options (FILE *stream)
{
- fprintf (stream, "\n\
+ unsigned int i, col;
+
+ fprintf (stream, _("\n\
The following PPC specific disassembler options are supported for use with\n\
-the -M switch:\n");
-
- fprintf (stream, " booke|booke32|booke64 Disassemble the BookE instructions\n");
- fprintf (stream, " e300 Disassemble the e300 instructions\n");
- fprintf (stream, " e500|e500x2 Disassemble the e500 instructions\n");
- fprintf (stream, " e500mc Disassemble the e500mc instructions\n");
- fprintf (stream, " 440 Disassemble the 440 instructions\n");
- fprintf (stream, " efs Disassemble the EFS instructions\n");
- fprintf (stream, " ppcps Disassemble the PowerPC paired singles instructions\n");
- fprintf (stream, " power4 Disassemble the Power4 instructions\n");
- fprintf (stream, " power5 Disassemble the Power5 instructions\n");
- fprintf (stream, " power6 Disassemble the Power6 instructions\n");
- fprintf (stream, " 32 Do not disassemble 64-bit instructions\n");
- fprintf (stream, " 64 Allow disassembly of 64-bit instructions\n");
+the -M switch:\n"));
+
+ for (col = 0, i = 0; i < sizeof (ppc_opts) / sizeof (ppc_opts[0]); i++)
+ {
+ col += fprintf (stream, " %s,", ppc_opts[i].opt);
+ if (col > 66)
+ {
+ fprintf (stream, "\n");
+ col = 0;
+ }
+ }
+ fprintf (stream, " 32, 64\n");
}
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