1 /* jit/i386/disass.c - wrapper functions for GNU binutils disassembler
3 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
4 Institut f. Computersprachen, TU Wien
5 R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser, M. Probst,
6 S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich,
9 This file is part of CACAO.
11 This program is free software; you can redistribute it and/or
12 modify it under the terms of the GNU General Public License as
13 published by the Free Software Foundation; either version 2, or (at
14 your option) any later version.
16 This program is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
26 Contact: cacao@complang.tuwien.ac.at
28 Authors: Andreas Krall
31 Changes: Christian Thalinger
33 $Id: disass.c 665 2003-11-21 18:36:43Z jowenn $
60 void myprintf(PTR p, const char *fmt, ...)
64 mylen += vsprintf(mylinebuf + mylen, fmt, ap);
68 int buffer_read_memory(bfd_vma memaddr, bfd_byte *myaddr, unsigned int length, struct disassemble_info *info)
71 *myaddr = *((u1 *) memaddr);
73 memcpy(myaddr, (void *) memaddr, length);
79 /* function disassinstr ********************************************************
81 outputs a disassembler listing of one machine code instruction on 'stdout'
82 c: instructions machine code
83 pos: instructions address relative to method start
85 *******************************************************************************/
87 int disassinstr(u1 *code, int pos)
89 static disassemble_info info;
90 static int dis_initialized;
94 if (!dis_initialized) {
95 INIT_DISASSEMBLE_INFO(info, NULL, myprintf);
96 info.mach = bfd_mach_i386_i386;
100 printf("0x%08x: ", (s4) code);
102 seqlen = print_insn_i386((bfd_vma) code, &info);
104 for (i = 0; i < seqlen; i++) {
105 printf("%02x ", *(code++));
112 printf(" %s\n", mylinebuf);
119 /* function disassemble ********************************************************
121 outputs a disassembler listing of some machine code on 'stdout'
122 code: pointer to first instruction
123 len: code size (number of instructions * 4)
125 *******************************************************************************/
127 void disassemble(u1 *code, int len)
132 disassemble_info info;
134 INIT_DISASSEMBLE_INFO(info, NULL, myprintf);
135 info.mach = bfd_mach_i386_i386;
137 printf(" --- disassembler listing ---\n");
138 for (p = 0; p < len;) {
139 printf("0x%08x: ", (s4) code);
142 seqlen = print_insn_i386((bfd_vma) code, &info);
144 /* myprintf(NULL, "\n"); */
146 for (i = 0; i < seqlen; i++) {
147 printf("%02x ", *(code++));
154 printf(" %s\n", mylinebuf);
160 * These are local overrides for various environment variables in Emacs.
161 * Please do not remove this and leave it at the end of the file, where
162 * Emacs will automagically detect them.
163 * ---------------------------------------------------------------------
166 * indent-tabs-mode: t