mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-22 18:41:06 +00:00
7006957732
Remove dummy definitions of CONFIG_X86_64 and CONFIG_X86_32 because those macros are not used in the instruction decoder anymore. Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com> Cc: Jim Keniston <jkenisto@us.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> LKML-Reference: <20090828221326.8778.70723.stgit@localhost.localdomain> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
108 lines
2.7 KiB
C
108 lines
2.7 KiB
C
/*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* 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.
|
|
*
|
|
* Copyright (C) IBM Corporation, 2009
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
|
|
#define unlikely(cond) (cond)
|
|
|
|
#include <asm/insn.h>
|
|
#include <inat.c>
|
|
#include <insn.c>
|
|
|
|
/*
|
|
* Test of instruction analysis in general and insn_get_length() in
|
|
* particular. See if insn_get_length() and the disassembler agree
|
|
* on the length of each instruction in an elf disassembly.
|
|
*
|
|
* Usage: objdump -d a.out | awk -f distill.awk | ./test_get_len
|
|
*/
|
|
|
|
const char *prog;
|
|
|
|
static void usage(void)
|
|
{
|
|
fprintf(stderr, "Usage: objdump -d a.out | awk -f distill.awk |"
|
|
" %s [y|n](64bit flag)\n", prog);
|
|
exit(1);
|
|
}
|
|
|
|
static void malformed_line(const char *line, int line_nr)
|
|
{
|
|
fprintf(stderr, "%s: malformed line %d:\n%s", prog, line_nr, line);
|
|
exit(3);
|
|
}
|
|
|
|
#define BUFSIZE 256
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
char line[BUFSIZE];
|
|
unsigned char insn_buf[16];
|
|
struct insn insn;
|
|
int insns = 0;
|
|
int x86_64 = 0;
|
|
|
|
prog = argv[0];
|
|
if (argc > 2)
|
|
usage();
|
|
|
|
if (argc == 2 && argv[1][0] == 'y')
|
|
x86_64 = 1;
|
|
|
|
while (fgets(line, BUFSIZE, stdin)) {
|
|
char copy[BUFSIZE], *s, *tab1, *tab2;
|
|
int nb = 0;
|
|
unsigned int b;
|
|
|
|
insns++;
|
|
memset(insn_buf, 0, 16);
|
|
strcpy(copy, line);
|
|
tab1 = strchr(copy, '\t');
|
|
if (!tab1)
|
|
malformed_line(line, insns);
|
|
s = tab1 + 1;
|
|
s += strspn(s, " ");
|
|
tab2 = strchr(s, '\t');
|
|
if (!tab2)
|
|
malformed_line(line, insns);
|
|
*tab2 = '\0'; /* Characters beyond tab2 aren't examined */
|
|
while (s < tab2) {
|
|
if (sscanf(s, "%x", &b) == 1) {
|
|
insn_buf[nb++] = (unsigned char) b;
|
|
s += 3;
|
|
} else
|
|
break;
|
|
}
|
|
/* Decode an instruction */
|
|
insn_init(&insn, insn_buf, x86_64);
|
|
insn_get_length(&insn);
|
|
if (insn.length != nb) {
|
|
fprintf(stderr, "Error: %s", line);
|
|
fprintf(stderr, "Error: objdump says %d bytes, but "
|
|
"insn_get_length() says %d (attr:%x)\n", nb,
|
|
insn.length, insn.attr);
|
|
exit(2);
|
|
}
|
|
}
|
|
fprintf(stderr, "Succeed: decoded and checked %d instructions\n",
|
|
insns);
|
|
return 0;
|
|
}
|