1 /* vm/jit/x86_64/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 1669 2004-12-03 16:40:14Z twisti $
40 #include "mm/memory.h"
41 #include "vm/jit/x86_64/dis-asm.h"
42 #include "vm/jit/x86_64/types.h"
52 /* name table for 16 integer registers */
73 void myprintf(PTR p, const char *fmt, ...)
77 mylen += vsprintf(mylinebuf + mylen, fmt, ap);
82 int buffer_read_memory(bfd_vma memaddr, bfd_byte *myaddr, unsigned int length, struct disassemble_info *info)
85 *myaddr = *((u1 *) memaddr);
88 MCOPY(myaddr, (void *) memaddr, u1, length);
95 /* function disassinstr ********************************************************
97 outputs a disassembler listing of one machine code instruction on 'stdout'
98 c: instructions machine code
99 pos: instructions address relative to method start
101 *******************************************************************************/
103 int disassinstr(u1 *code, int pos)
105 static disassemble_info info;
106 static int dis_initialized;
110 if (!dis_initialized) {
111 INIT_DISASSEMBLE_INFO(info, NULL, myprintf);
112 info.mach = bfd_mach_x86_64;
116 printf("0x%016lx: ", (s8) code);
118 seqlen = print_insn_i386((bfd_vma) code, &info);
120 for (i = 0; i < seqlen; i++) {
121 printf("%02x ", *(code++));
124 for (; i < 10; i++) {
128 printf(" %s\n", mylinebuf);
134 /* function disassemble ********************************************************
136 outputs a disassembler listing of some machine code on 'stdout'
137 code: pointer to first instruction
138 len: code size (number of instructions * 4)
140 *******************************************************************************/
142 void disassemble(u1 *code, int len)
147 disassemble_info info;
149 INIT_DISASSEMBLE_INFO(info, NULL, myprintf);
150 info.mach = bfd_mach_x86_64;
152 printf(" --- disassembler listing ---\n");
153 for (p = 0; p < len;) {
154 printf("0x%016lx: ", (s8) code);
157 seqlen = print_insn_i386((bfd_vma) code, &info);
160 for (i = 0; i < seqlen; i++) {
161 printf("%02x ", *(code++));
164 for (; i < 10; i++) {
168 printf(" %s\n", mylinebuf);
174 * These are local overrides for various environment variables in Emacs.
175 * Please do not remove this and leave it at the end of the file, where
176 * Emacs will automagically detect them.
177 * ---------------------------------------------------------------------
180 * indent-tabs-mode: t