1 /* jit/i386/disass.c - wrapper functions for GNU binutils disassembler
3 Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
4 R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
5 C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
6 Institut f. Computersprachen - TU Wien
8 This file is part of CACAO.
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2, or (at
13 your option) any later version.
15 This program is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
25 Contact: cacao@complang.tuwien.ac.at
27 Authors: Andreas Krall
30 Changes: Christian Thalinger
32 $Id: disass.c 1735 2004-12-07 14:33:27Z twisti $
59 void myprintf(PTR p, const char *fmt, ...)
63 mylen += vsprintf(mylinebuf + mylen, fmt, ap);
67 int buffer_read_memory(bfd_vma memaddr, bfd_byte *myaddr, unsigned int length, struct disassemble_info *info)
70 *myaddr = *((u1 *) memaddr);
72 memcpy(myaddr, (void *) memaddr, length);
78 /* function disassinstr ********************************************************
80 outputs a disassembler listing of one machine code instruction on 'stdout'
81 c: instructions machine code
82 pos: instructions address relative to method start
84 *******************************************************************************/
86 int disassinstr(u1 *code, int pos)
88 static disassemble_info info;
89 static int dis_initialized;
93 if (!dis_initialized) {
94 INIT_DISASSEMBLE_INFO(info, NULL, myprintf);
95 info.mach = bfd_mach_i386_i386;
99 printf("0x%08x: ", (s4) code);
101 seqlen = print_insn_i386((bfd_vma) code, &info);
103 for (i = 0; i < seqlen; i++) {
104 printf("%02x ", *(code++));
111 printf(" %s\n", mylinebuf);
118 /* function disassemble ********************************************************
120 outputs a disassembler listing of some machine code on 'stdout'
121 code: pointer to first instruction
122 len: code size (number of instructions * 4)
124 *******************************************************************************/
126 void disassemble(u1 *code, int len)
131 disassemble_info info;
133 INIT_DISASSEMBLE_INFO(info, NULL, myprintf);
134 info.mach = bfd_mach_i386_i386;
136 printf(" --- disassembler listing ---\n");
137 for (p = 0; p < len;) {
138 printf("0x%08x: ", (s4) code);
141 seqlen = print_insn_i386((bfd_vma) code, &info);
143 /* myprintf(NULL, "\n"); */
145 for (i = 0; i < seqlen; i++) {
146 printf("%02x ", *(code++));
153 printf(" %s\n", mylinebuf);
159 * These are local overrides for various environment variables in Emacs.
160 * Please do not remove this and leave it at the end of the file, where
161 * Emacs will automagically detect them.
162 * ---------------------------------------------------------------------
165 * indent-tabs-mode: t