/* 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 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
are provided because this file handles disassembly for the PowerPC
in both big and little endian mode and also for the POWER (RS/6000)
chip. */
+static int print_insn_powerpc (bfd_vma, struct disassemble_info *, int,
+ ppc_cpu_t);
-static int print_insn_powerpc (bfd_vma, struct disassemble_info *, int, int);
+struct dis_private
+{
+ /* Stash the result of parsing disassembler_options here. */
+ ppc_cpu_t dialect;
+};
+
+#define POWERPC_DIALECT(INFO) \
+ (((struct dis_private *) ((INFO)->private_data))->dialect)
+
+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_CLASSIC | PPC_OPCODE_403
+ | PPC_OPCODE_32),
+ 0 },
+ { "405", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_403
+ | PPC_OPCODE_405 | PPC_OPCODE_32),
+ 0 },
+ { "440", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32
+ | PPC_OPCODE_440 | PPC_OPCODE_ISEL | PPC_OPCODE_RFMCI),
+ 0 },
+ { "464", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32
+ | PPC_OPCODE_440 | PPC_OPCODE_ISEL | PPC_OPCODE_RFMCI),
+ 0 },
+ { "476", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ISEL
+ | PPC_OPCODE_440 | PPC_OPCODE_476 | PPC_OPCODE_POWER4
+ | PPC_OPCODE_POWER5),
+ 0 },
+ { "601", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_601
+ | PPC_OPCODE_32),
+ 0 },
+ { "603", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32),
+ 0 },
+ { "604", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32),
+ 0 },
+ { "620", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64),
+ 0 },
+ { "7400", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ALTIVEC
+ | PPC_OPCODE_32),
+ 0 },
+ { "7410", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ALTIVEC
+ | PPC_OPCODE_32),
+ 0 },
+ { "7450", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ALTIVEC
+ | PPC_OPCODE_32),
+ 0 },
+ { "7455", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ALTIVEC
+ | PPC_OPCODE_32),
+ 0 },
+ { "750cl", (PPC_OPCODE_PPC | PPC_OPCODE_PPCPS)
+ , 0 },
+ { "altivec", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC),
+ PPC_OPCODE_ALTIVEC },
+ { "any", 0,
+ PPC_OPCODE_ANY },
+ { "booke", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32),
+ 0 },
+ { "booke32", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32),
+ 0 },
+ { "cell", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64
+ | PPC_OPCODE_POWER4 | PPC_OPCODE_CELL | PPC_OPCODE_ALTIVEC),
+ 0 },
+ { "com", (PPC_OPCODE_COMMON | PPC_OPCODE_32),
+ 0 },
+ { "e300", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32
+ | 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_E500MC),
+ 0 },
+ { "e500mc", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
+ | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
+ | PPC_OPCODE_E500MC),
+ 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_E500MC),
+ 0 },
+ { "efs", (PPC_OPCODE_PPC | PPC_OPCODE_EFS),
+ 0 },
+ { "power4", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64
+ | PPC_OPCODE_POWER4),
+ 0 },
+ { "power5", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64
+ | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5),
+ 0 },
+ { "power6", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64
+ | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
+ | PPC_OPCODE_ALTIVEC),
+ 0 },
+ { "power7", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | 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 | PPC_OPCODE_CLASSIC | PPC_OPCODE_32),
+ 0 },
+ { "ppc32", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32),
+ 0 },
+ { "ppc64", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64),
+ 0 },
+ { "ppc64bridge", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64_BRIDGE
+ | PPC_OPCODE_64),
+ 0 },
+ { "a2", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ISEL
+ | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_CACHELCK
+ | PPC_OPCODE_64 | PPC_OPCODE_A2),
+ 0 },
+ { "ppcps", (PPC_OPCODE_PPC | PPC_OPCODE_PPCPS),
+ 0 },
+ { "pwr", (PPC_OPCODE_POWER | PPC_OPCODE_32),
+ 0 },
+ { "pwr2", (PPC_OPCODE_POWER | PPC_OPCODE_POWER2 | PPC_OPCODE_32),
+ 0 },
+ { "pwrx", (PPC_OPCODE_POWER | PPC_OPCODE_POWER2 | PPC_OPCODE_32),
+ 0 },
+ { "spe", (PPC_OPCODE_PPC | PPC_OPCODE_EFS),
+ PPC_OPCODE_SPE },
+ { "vsx", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC),
+ 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_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;
-/* Determine which set of machines to disassemble for. PPC403/601 or
- BookE. For convenience, also disassemble instructions supported
- by the AltiVec vector unit. */
+ ppc_cpu |= retain_flags;
+ return ppc_cpu;
+}
+
+/* Determine which set of machines to disassemble for. */
static int
-powerpc_dialect (struct disassemble_info *info)
+powerpc_init_dialect (struct disassemble_info *info)
{
- int dialect = PPC_OPCODE_PPC;
-
- if (BFD_DEFAULT_TARGET_SIZE == 64)
- dialect |= PPC_OPCODE_64;
-
- if (info->disassembler_options
- && strstr (info->disassembler_options, "booke") != NULL)
- dialect |= PPC_OPCODE_BOOKE | PPC_OPCODE_BOOKE64;
- 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);
- 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);
+ ppc_cpu_t dialect = 0;
+ char *arg;
+ struct dis_private *priv = calloc (sizeof (*priv), 1);
- if (info->disassembler_options
- && strstr (info->disassembler_options, "power4") != NULL)
- dialect |= PPC_OPCODE_POWER4;
+ if (priv == NULL)
+ return FALSE;
- 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_OPCODE_64;
+ dialect |= PPC_OPCODE_32;
+ }
+ else if (strcmp (arg, "64") == 0)
+ {
+ dialect |= PPC_OPCODE_64;
+ dialect &= ~PPC_OPCODE_32;
+ }
+ 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_OPCODE_32 | 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_OPCODE_32;
+ /* Choose a reasonable default. */
+ dialect |= (PPC_OPCODE_PPC | PPC_OPCODE_COMMON | PPC_OPCODE_CLASSIC
+ | PPC_OPCODE_601 | PPC_OPCODE_ALTIVEC);
}
- info->private_data = (char *) 0 + dialect;
- return dialect;
+ info->private_data = priv;
+ POWERPC_DIALECT(info) = dialect;
+
+ return TRUE;
}
/* Print a big endian PowerPC instruction. */
int
print_insn_big_powerpc (bfd_vma memaddr, struct disassemble_info *info)
{
- int dialect = (char *) info->private_data - (char *) 0;
- return print_insn_powerpc (memaddr, info, 1, dialect);
+ if (info->private_data == NULL && !powerpc_init_dialect (info))
+ return -1;
+ return print_insn_powerpc (memaddr, info, 1, POWERPC_DIALECT(info));
}
/* Print a little endian PowerPC instruction. */
int
print_insn_little_powerpc (bfd_vma memaddr, struct disassemble_info *info)
{
- int dialect = (char *) info->private_data - (char *) 0;
- return print_insn_powerpc (memaddr, info, 0, dialect);
+ if (info->private_data == NULL && !powerpc_init_dialect (info))
+ return -1;
+ return print_insn_powerpc (memaddr, info, 0, POWERPC_DIALECT(info));
}
/* Print a POWER (RS/6000) instruction. */
static long
operand_value_powerpc (const struct powerpc_operand *operand,
- unsigned long insn, int dialect)
+ unsigned long insn, ppc_cpu_t dialect)
{
long value;
int invalid;
static int
skip_optional_operands (const unsigned char *opindex,
- unsigned long insn, int dialect)
+ unsigned long insn, ppc_cpu_t dialect)
{
const struct powerpc_operand *operand;
print_insn_powerpc (bfd_vma memaddr,
struct disassemble_info *info,
int bigendian,
- int dialect)
+ ppc_cpu_t dialect)
{
bfd_byte buffer[4];
int status;
const struct powerpc_opcode *opcode;
const struct powerpc_opcode *opcode_end;
unsigned long op;
-
- if (dialect == 0)
- dialect = powerpc_dialect (info);
+ 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)
{
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, " 440 Disassemble the 440 instructions\n");
- fprintf (stream, " efs Disassemble the EFS 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");
}
projects / msp430-binutils.git / blobdiff