1 /* src/vm/jit/arm/disass.c - wrapper functions for GNU binutils disassembler
3 Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
4 C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
5 E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
6 J. Wenninger, 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., 51 Franklin Street, Fifth Floor, Boston, MA
35 #include "vm/global.h"
37 #include "vm/jit/disass.h"
40 /* disass_pseudo_instr *********************************************************
42 Outputs the disassembler listing of one pseudo instruction on
43 'stdout'. Trap instructions fall under this category.
45 Returns true if the instruction really was a pseudo instruction
47 code: pointer to machine code
49 *******************************************************************************/
51 static bool disass_pseudo_instr(u1 *code)
55 mcode = *((s4 *) code);
57 if ((mcode & 0x0ff000f0) == 0x07f000f0) {
58 printf("ill\t#%d, #%d (condition:0x%x) (pseudo)", ((mcode >> 8) & 0x0fff), ((mcode >> 0) & 0x0f), ((mcode >> 28) & 0x0f));
66 /* disassinstr *****************************************************************
68 Outputs a disassembler listing of one machine code instruction on
71 code: pointer to instructions machine code
73 *******************************************************************************/
75 u1 *disassinstr(u1 *code)
77 if (!disass_initialized) {
78 INIT_DISASSEMBLE_INFO(info, stdout, disass_printf);
80 /* setting the struct members must be done after
81 INIT_DISASSEMBLE_INFO */
83 info.read_memory_func = &disass_buffer_read_memory;
85 disass_initialized = true;
88 printf("0x%08x: %08x ", (u4) code, *((s4 *) code));
90 if (!disass_pseudo_instr(code))
91 #if defined(__ARMEL__)
92 print_insn_little_arm((bfd_vma) code, &info);
94 print_insn_big_arm((bfd_vma) code, &info);
99 /* 1 instruction is 4-bytes long */
105 * These are local overrides for various environment variables in Emacs.
106 * Please do not remove this and leave it at the end of the file, where
107 * Emacs will automagically detect them.
108 * ---------------------------------------------------------------------
111 * indent-tabs-mode: t