diff options
Diffstat (limited to 'opcodes/pj-dis.c')
| -rw-r--r-- | opcodes/pj-dis.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/opcodes/pj-dis.c b/opcodes/pj-dis.c deleted file mode 100644 index b8b81a9..0000000 --- a/opcodes/pj-dis.c +++ /dev/null @@ -1,181 +0,0 @@ -/* pj-dis.c -- Disassemble picoJava instructions. - Copyright 1999, 2000, 2001 Free Software Foundation, Inc. - Contributed by Steve Chamberlain, of Transmeta (sac@pobox.com). - -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 "sysdep.h" -#include "opcode/pj.h" -#include "dis-asm.h" - -extern const pj_opc_info_t pj_opc_info[512]; - -static int get_int PARAMS ((bfd_vma, int *, struct disassemble_info *)); - - -static int -get_int (memaddr, iptr, info) - bfd_vma memaddr; - int *iptr; - struct disassemble_info *info; -{ - unsigned char ival[4]; - - int status = info->read_memory_func (memaddr, ival, 4, info); - - *iptr = (ival[0] << 24) - | (ival[1] << 16) - | (ival[2] << 8) - | (ival[3] << 0); - - return status; -} - -int -print_insn_pj (addr, info) - bfd_vma addr; - struct disassemble_info *info; -{ - fprintf_ftype fprintf_fn = info->fprintf_func; - void *stream = info->stream; - unsigned char opcode; - int status; - - if ((status = info->read_memory_func (addr, &opcode, 1, info))) - goto fail; - - if (opcode == 0xff) - { - unsigned char byte_2; - if ((status = info->read_memory_func (addr + 1, &byte_2, 1, info))) - goto fail; - fprintf_fn (stream, "%s\t", pj_opc_info[opcode + byte_2].name); - return 2; - } - else - { - char *sep = "\t"; - int insn_start = addr; - const pj_opc_info_t *op = &pj_opc_info[opcode]; - int a; - addr++; - fprintf_fn (stream, "%s", op->name); - - /* The tableswitch instruction is followed by the default - address, low value, high value and the destinations. */ - - if (strcmp (op->name, "tableswitch") == 0) - { - int lowval; - int highval; - int val; - - addr = (addr + 3) & ~3; - if ((status = get_int (addr, &val, info))) - goto fail; - - fprintf_fn (stream, " default: "); - (*info->print_address_func) (val + insn_start, info); - addr += 4; - - if ((status = get_int (addr, &lowval, info))) - goto fail; - addr += 4; - - if ((status = get_int (addr, &highval, info))) - goto fail; - addr += 4; - - while (lowval <= highval) - { - if ((status = get_int (addr, &val, info))) - goto fail; - fprintf_fn (stream, " %d:[", lowval); - (*info->print_address_func) (val + insn_start, info); - fprintf_fn (stream, " ]"); - addr += 4; - lowval++; - } - return addr - insn_start; - } - - /* The lookupswitch instruction is followed by the default - address, element count and pairs of values and - addresses. */ - - if (strcmp (op->name, "lookupswitch") == 0) - { - int count; - int val; - - addr = (addr + 3) & ~3; - if ((status = get_int (addr, &val, info))) - goto fail; - addr += 4; - - fprintf_fn (stream, " default: "); - (*info->print_address_func) (val + insn_start, info); - - if ((status = get_int (addr, &count, info))) - goto fail; - addr += 4; - - while (count--) - { - if ((status = get_int (addr, &val, info))) - goto fail; - addr += 4; - fprintf_fn (stream, " %d:[", val); - - if ((status = get_int (addr, &val, info))) - goto fail; - addr += 4; - - (*info->print_address_func) (val + insn_start, info); - fprintf_fn (stream, " ]"); - } - return addr - insn_start; - } - for (a = 0; op->arg[a]; a++) - { - unsigned char data[4]; - int val = 0; - int i; - int size = ASIZE (op->arg[a]); - - if ((status = info->read_memory_func (addr, data, size, info))) - goto fail; - - val = (UNS (op->arg[0]) || ((data[0] & 0x80) == 0)) ? 0 : -1; - - for (i = 0; i < size; i++) - val = (val << 8) | (data[i] & 0xff); - - if (PCREL (op->arg[a])) - (*info->print_address_func) (val + insn_start, info); - else - fprintf_fn (stream, "%s%d", sep, val); - - sep = ","; - addr += size; - } - return op->len; - } - - fail: - info->memory_error_func (status, addr, info); - return -1; -} |