/* ppc-dis.c -- Disassemble PowerPC instructions
- Copyright 1994, 1995, 2000 Free Software Foundation, Inc.
+ Copyright 1994, 1995, 2000, 2001, 2002, 2003, 2004, 2005
+ Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support
This file is part of GDB, GAS, and the GNU binutils.
You should have received a copy of the GNU General Public License
along with this file; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
#include <stdio.h>
#include "sysdep.h"
in both big and little endian mode and also for the POWER (RS/6000)
chip. */
-static int print_insn_powerpc PARAMS ((bfd_vma, struct disassemble_info *,
- int bigendian, int dialect));
-
-static int powerpc_dialect PARAMS ((struct disassemble_info *));
+static int print_insn_powerpc (bfd_vma, struct disassemble_info *, int, int);
/* Determine which set of machines to disassemble for. PPC403/601 or
BookE. For convenience, also disassemble instructions supported
by the AltiVec vector unit. */
-int
-powerpc_dialect(info)
- struct disassemble_info *info;
+static int
+powerpc_dialect (struct disassemble_info *info)
{
- int dialect = PPC_OPCODE_PPC | PPC_OPCODE_ALTIVEC;
+ int dialect = PPC_OPCODE_PPC;
if (BFD_DEFAULT_TARGET_SIZE == 64)
dialect |= PPC_OPCODE_64;
if (info->disassembler_options
- && (strcmp (info->disassembler_options, "booke") == 0
- || strcmp (info->disassembler_options, "booke32") == 0
- || strcmp (info->disassembler_options, "booke64") == 0))
+ && strstr (info->disassembler_options, "booke") != NULL)
dialect |= PPC_OPCODE_BOOKE | PPC_OPCODE_BOOKE64;
- else
- dialect |= PPC_OPCODE_403 | PPC_OPCODE_601;
+ 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
+ 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;
+
+ if (info->disassembler_options
+ && strstr (info->disassembler_options, "any") != NULL)
+ dialect |= PPC_OPCODE_ANY;
if (info->disassembler_options)
{
dialect |= PPC_OPCODE_64;
}
+ info->private_data = (char *) 0 + dialect;
return dialect;
}
/* Print a big endian PowerPC instruction. */
int
-print_insn_big_powerpc (memaddr, info)
- bfd_vma memaddr;
- struct disassemble_info *info;
+print_insn_big_powerpc (bfd_vma memaddr, struct disassemble_info *info)
{
- return print_insn_powerpc (memaddr, info, 1, powerpc_dialect(info));
+ int dialect = (char *) info->private_data - (char *) 0;
+ return print_insn_powerpc (memaddr, info, 1, dialect);
}
/* Print a little endian PowerPC instruction. */
int
-print_insn_little_powerpc (memaddr, info)
- bfd_vma memaddr;
- struct disassemble_info *info;
+print_insn_little_powerpc (bfd_vma memaddr, struct disassemble_info *info)
{
- return print_insn_powerpc (memaddr, info, 0, powerpc_dialect(info));
+ int dialect = (char *) info->private_data - (char *) 0;
+ return print_insn_powerpc (memaddr, info, 0, dialect);
}
/* Print a POWER (RS/6000) instruction. */
int
-print_insn_rs6000 (memaddr, info)
- bfd_vma memaddr;
- struct disassemble_info *info;
+print_insn_rs6000 (bfd_vma memaddr, struct disassemble_info *info)
{
return print_insn_powerpc (memaddr, info, 1, PPC_OPCODE_POWER);
}
/* Print a PowerPC or POWER instruction. */
static int
-print_insn_powerpc (memaddr, info, bigendian, dialect)
- bfd_vma memaddr;
- struct disassemble_info *info;
- int bigendian;
- int dialect;
+print_insn_powerpc (bfd_vma memaddr,
+ struct disassemble_info *info,
+ int bigendian,
+ int dialect)
{
bfd_byte buffer[4];
int status;
const struct powerpc_opcode *opcode_end;
unsigned long op;
+ if (dialect == 0)
+ dialect = powerpc_dialect (info);
+
status = (*info->read_memory_func) (memaddr, buffer, 4, info);
if (status != 0)
{
/* Find the first match in the opcode table. We could speed this up
a bit by doing a binary search on the major opcode. */
opcode_end = powerpc_opcodes + powerpc_num_opcodes;
+ again:
for (opcode = powerpc_opcodes; opcode < opcode_end; opcode++)
{
unsigned long table_op;
continue;
/* The instruction is valid. */
- (*info->fprintf_func) (info->stream, "%s", opcode->name);
if (opcode->operands[0] != 0)
- (*info->fprintf_func) (info->stream, "\t");
+ (*info->fprintf_func) (info->stream, "%-7s ", opcode->name);
+ else
+ (*info->fprintf_func) (info->stream, "%s", opcode->name);
/* Now extract and print the operands. */
need_comma = 0;
/* Extract the value from the instruction. */
if (operand->extract)
- value = (*operand->extract) (insn, dialect, (int *) NULL);
+ value = (*operand->extract) (insn, dialect, &invalid);
else
{
value = (insn >> operand->shift) & ((1 << operand->bits) - 1);
}
/* Print the operand as directed by the flags. */
- if ((operand->flags & PPC_OPERAND_GPR) != 0)
+ if ((operand->flags & PPC_OPERAND_GPR) != 0
+ || ((operand->flags & PPC_OPERAND_GPR_0) != 0 && value != 0))
(*info->fprintf_func) (info->stream, "r%ld", value);
else if ((operand->flags & PPC_OPERAND_FPR) != 0)
(*info->fprintf_func) (info->stream, "f%ld", value);
else
{
if (operand->bits == 3)
- (*info->fprintf_func) (info->stream, "cr%d", value);
+ (*info->fprintf_func) (info->stream, "cr%ld", value);
else
{
static const char *cbnames[4] = { "lt", "gt", "eq", "so" };
cr = value >> 2;
if (cr != 0)
- (*info->fprintf_func) (info->stream, "4*cr%d", cr);
+ (*info->fprintf_func) (info->stream, "4*cr%d+", cr);
cc = value & 3;
- if (cc != 0)
- {
- if (cr != 0)
- (*info->fprintf_func) (info->stream, "+");
- (*info->fprintf_func) (info->stream, "%s", cbnames[cc]);
- }
+ (*info->fprintf_func) (info->stream, "%s", cbnames[cc]);
}
}
return 4;
}
+ if ((dialect & PPC_OPCODE_ANY) != 0)
+ {
+ dialect = ~PPC_OPCODE_ANY;
+ goto again;
+ }
+
/* We could not find a match. */
(*info->fprintf_func) (info->stream, ".long 0x%lx", insn);
return 4;
}
+
+void
+print_ppc_disassembler_options (FILE *stream)
+{
+ 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, " efs Disassemble the EFS instructions\n");
+ fprintf (stream, " power4 Disassemble the Power4 instructions\n");
+ fprintf (stream, " power5 Disassemble the Power5 instructions\n");
+ fprintf (stream, " 32 Do not disassemble 64-bit instructions\n");
+ fprintf (stream, " 64 Allow disassembly of 64-bit instructions\n");
+}
projects / deliverable / binutils-gdb.git / blobdiff