1 /* 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 557 2003-11-02 22:51:59Z twisti $
62 void myprintf(PTR p, const char *fmt, ...)
66 mylen += vsprintf(mylinebuf + mylen, fmt, ap);
70 int buffer_read_memory(bfd_vma memaddr, bfd_byte *myaddr, unsigned int length, struct disassemble_info *info)
73 *myaddr = *((u1 *) memaddr);
75 memcpy(myaddr, (void *) memaddr, length);
81 /* function disassinstr ********************************************************
83 outputs a disassembler listing of one machine code instruction on 'stdout'
84 c: instructions machine code
85 pos: instructions address relative to method start
87 *******************************************************************************/
89 int disassinstr(u1 *code, int pos)
91 static disassemble_info info;
92 static int dis_initialized;
96 if (!dis_initialized) {
97 INIT_DISASSEMBLE_INFO(info, NULL, myprintf);
98 info.mach = bfd_mach_i386_i386;
102 printf("0x%08x: ", (s4) code);
104 seqlen = print_insn_i386((bfd_vma) code, &info);
106 for (i = 0; i < seqlen; i++) {
107 printf("%02x ", *(code++));
114 printf(" %s\n", mylinebuf);
121 /* function disassemble ********************************************************
123 outputs a disassembler listing of some machine code on 'stdout'
124 code: pointer to first instruction
125 len: code size (number of instructions * 4)
127 *******************************************************************************/
129 void disassemble(u1 *code, int len)
134 disassemble_info info;
136 INIT_DISASSEMBLE_INFO(info, NULL, myprintf);
137 info.mach = bfd_mach_i386_i386;
139 printf(" --- disassembler listing ---\n");
140 for (p = 0; p < len;) {
141 printf("0x%08x: ", (s4) code);
144 seqlen = print_insn_i386((bfd_vma) code, &info);
146 /* myprintf(NULL, "\n"); */
148 for (i = 0; i < seqlen; i++) {
149 printf("%02x ", *(code++));
156 printf(" %s\n", mylinebuf);
162 * These are local overrides for various environment variables in Emacs.
163 * Please do not remove this and leave it at the end of the file, where
164 * Emacs will automagically detect them.
165 * ---------------------------------------------------------------------
168 * indent-tabs-mode: t