/* ppc-dis.c -- Disassemble PowerPC instructions
- Copyright 1994 Free Software Foundation, Inc.
+ Copyright 1994, 1995, 2000 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <stdio.h>
-#include "ansidecl.h"
#include "sysdep.h"
#include "dis-asm.h"
#include "opcode/ppc.h"
static int print_insn_powerpc PARAMS ((bfd_vma, struct disassemble_info *,
int bigendian, int dialect));
+static int powerpc_dialect PARAMS ((struct disassemble_info *));
+
+/* Determine which set of machines to disassemble for. PPC403/601 or
+ Motorola BookE. For convenience, also disassemble instructions
+ supported by the AltiVec vector unit. */
+
+int
+powerpc_dialect(info)
+ struct disassemble_info *info;
+{
+ int dialect = PPC_OPCODE_PPC | PPC_OPCODE_ALTIVEC;
+
+ 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))
+ dialect |= PPC_OPCODE_BOOKE | PPC_OPCODE_BOOKE64;
+ else
+ dialect |= PPC_OPCODE_403 | PPC_OPCODE_601;
+
+ if (info->disassembler_options)
+ {
+ if (strstr (info->disassembler_options, "32") != NULL)
+ dialect &= ~PPC_OPCODE_64;
+ else if (strstr (info->disassembler_options, "64") != NULL)
+ dialect |= PPC_OPCODE_64;
+ }
+
+ return dialect;
+}
+
/* Print a big endian PowerPC instruction. */
int
bfd_vma memaddr;
struct disassemble_info *info;
{
- return print_insn_powerpc (memaddr, info, 1, PPC_OPCODE_PPC);
+ return print_insn_powerpc (memaddr, info, 1, powerpc_dialect(info));
}
/* Print a little endian PowerPC instruction. */
bfd_vma memaddr;
struct disassemble_info *info;
{
- return print_insn_powerpc (memaddr, info, 0, PPC_OPCODE_PPC);
+ return print_insn_powerpc (memaddr, info, 0, powerpc_dialect(info));
}
/* Print a POWER (RS/6000) instruction. */
{
operand = powerpc_operands + *opindex;
if (operand->extract)
- (*operand->extract) (insn, &invalid);
+ (*operand->extract) (insn, dialect, &invalid);
}
if (invalid)
continue;
/* Extract the value from the instruction. */
if (operand->extract)
- value = (*operand->extract) (insn, (int *) NULL);
+ value = (*operand->extract) (insn, dialect, (int *) NULL);
else
{
value = (insn >> operand->shift) & ((1 << operand->bits) - 1);
- if (operand->signedp
+ if ((operand->flags & PPC_OPERAND_SIGNED) != 0
&& (value & (1 << (operand->bits - 1))) != 0)
value -= 1 << operand->bits;
}
(*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->flags & PPC_OPERAND_VR) != 0)
+ (*info->fprintf_func) (info->stream, "v%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)
}
/* We could not find a match. */
- (*info->fprintf_func) (info->stream, "0x%lx", insn);
+ (*info->fprintf_func) (info->stream, ".long 0x%lx", insn);
return 4;
}