/* src/vm/jit/i386/disass.c - wrapper functions for GNU binutils disassembler
- Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
- R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
- C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
- Institut f. Computersprachen - TU Wien
+ Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
+ C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
+ E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
+ J. Wenninger, Institut f. Computersprachen - TU Wien
This file is part of CACAO.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA.
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
- Contact: cacao@complang.tuwien.ac.at
+ Contact: cacao@cacaojvm.org
Authors: Andreas Krall
Reinhard Grafl
Changes: Christian Thalinger
- $Id: disass.c 4031 2006-01-01 18:21:30Z twisti $
-
*/
#include "config.h"
#include <assert.h>
-/* #include <dis-asm.h> */
+#include <dis-asm.h>
#include <stdarg.h>
-#include <string.h>
#include "vm/types.h"
-#include "vm/jit/i386/dis-asm.h"
-
-#include "mm/memory.h"
+#include "vm/global.h"
#include "vm/jit/disass.h"
-char mylinebuf[512];
-int mylen;
-
-
-char *regs[] = {
- "eax",
- "ecx",
- "edx",
- "ebx",
- "esp",
- "ebp",
- "esi",
- "edi"
-};
-
-
-/* myprintf ********************************************************************
-
- Required by i386-dis.c, prints the stuff into a buffer.
-
-*******************************************************************************/
-
-void myprintf(PTR p, const char *fmt, ...)
-{
- va_list ap;
- va_start(ap, fmt);
- mylen += vsprintf(mylinebuf + mylen, fmt, ap);
- va_end(ap);
-}
-
-/* buffer_read_memory **********************************************************
-
- Required by i386-dis.c, copy some stuff to another memory.
-
-*******************************************************************************/
-
-int buffer_read_memory(bfd_vma memaddr, bfd_byte *myaddr, unsigned int length, struct disassemble_info *info)
-{
- MCOPY(myaddr, (void *) memaddr, u1, length);
-
- return 0;
-}
-
-
-/* generic_symbol_at_address ***************************************************
-
- Required by i386-dis.c, just return 1.
-
-*******************************************************************************/
-
-int generic_symbol_at_address(bfd_vma addr, struct disassemble_info *info)
-{
- return 1;
-}
-
-
-/* generic_print_address *******************************************************
-
- Required by i386-dis.c, just print the address.
-
-*******************************************************************************/
-
-void generic_print_address(bfd_vma addr, struct disassemble_info *info)
-{
- myprintf(info->stream, "0x%016lx", addr);
-}
-
-
-/* perror_memory ***************************************************************
-
- Required by i386-dis.c, jsut assert in case.
-
-*******************************************************************************/
-
-void perror_memory(int status, bfd_vma memaddr, struct disassemble_info *info)
-{
- assert(0);
-}
-
-
/* disassinstr *****************************************************************
Outputs a disassembler listing of one machine code instruction on
u1 *disassinstr(u1 *code)
{
- static disassemble_info info;
- static int dis_initialized;
s4 seqlen;
s4 i;
- if (!dis_initialized) {
- INIT_DISASSEMBLE_INFO(info, NULL, myprintf);
- info.mach = bfd_mach_i386_i386;
- dis_initialized = 1;
+ if (!disass_initialized) {
+ INIT_DISASSEMBLE_INFO(info, NULL, disass_printf);
+
+ /* setting the struct members must be done after
+ INIT_DISASSEMBLE_INFO */
+
+ info.mach = bfd_mach_i386_i386;
+ info.read_memory_func = &disass_buffer_read_memory;
+
+ disass_initialized = 1;
}
printf("0x%08x: ", (s4) code);
- mylen = 0;
- seqlen = print_insn_i386((bfd_vma) code, &info);
+
+ disass_len = 0;
+
+ seqlen = print_insn_i386((bfd_vma) (ptrint) code, &info);
for (i = 0; i < seqlen; i++, code++) {
printf("%02x ", *code);
printf(" ");
}
- printf(" %s\n", mylinebuf);
+ printf(" %s\n", disass_buf);
return code;
}
-
-/* disassemble *****************************************************************
-
- Outputs a disassembler listing of some machine code on 'stdout'.
-
- start: pointer to first machine instruction
- end: pointer after last machine instruction
-
-*******************************************************************************/
-
-void disassemble(u1 *start, u1 *end)
-{
- disassemble_info info;
-
- INIT_DISASSEMBLE_INFO(info, NULL, myprintf);
- info.mach = bfd_mach_i386_i386;
-
- printf(" --- disassembler listing ---\n");
- for (; start < end; )
- start = disassinstr(start);
-}
-
-
/*
* These are local overrides for various environment variables in Emacs.
* Please do not remove this and leave it at the end of the file, where
projects / cacao.git / blobdiff