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/* Disassemble V850 instructions.
Copyright (C) 1996 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <stdio.h>
#include "ansidecl.h"
#include "opcode/v850.h"
#include "dis-asm.h"
int
print_insn_v850 (memaddr, info)
bfd_vma memaddr;
struct disassemble_info *info;
{
int status;
bfd_byte buffer[4];
unsigned long insn;
status = (*info->read_memory_func) (memaddr, buffer, 4, info);
if (status != 0)
{
(*info->memory_error_func) (status, memaddr, info);
return -1;
}
insn = bfd_getl32 (buffer);
disassemble (insn, info);
if ((insn & 0x0600) == 0x0600)
return 4;
else
return 2;
}
disassemble (insn, info)
unsigned long insn;
struct disassemble_info *info;
{
struct v850_opcode *op = (struct v850_opcode *)v850_opcodes;
int match = 0;
/* If this is a two byte insn, then mask off the high bits. */
if ((insn & 0x0600) != 0x0600)
insn &= 0xffff;
/* Find the opcode. */
while (op->name)
{
if ((op->mask & insn) == op->opcode)
{
match = 1;
(*info->fprintf_func) (info->stream, "%s\t", op->name);
break;
}
op++;
}
if (!match)
{
if ((insn & 0x0600) != 0x0600)
(*info->fprintf_func) (info->stream, ".short\t0x%04x", insn);
else
(*info->fprintf_func) (info->stream, ".long\t0x%08x", insn);
}
}
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