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>
109 lines
2.7 KiB
C
109 lines
2.7 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* Copyright (C) IBM Corporation, 2009
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#define unlikely(cond) (cond)
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#include <asm/insn.h>
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#include <inat.c>
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#include <insn.c>
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/*
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* Test of instruction analysis in general and insn_get_length() in
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* particular. See if insn_get_length() and the disassembler agree
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* on the length of each instruction in an elf disassembly.
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*
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* Usage: objdump -d a.out | awk -f distill.awk | ./test_get_len
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*/
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const char *prog;
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static void usage(void)
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{
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fprintf(stderr, "Usage: objdump -d a.out | awk -f distill.awk |"
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" %s [y|n](64bit flag)\n", prog);
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exit(1);
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}
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static void malformed_line(const char *line, int line_nr)
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{
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fprintf(stderr, "%s: malformed line %d:\n%s", prog, line_nr, line);
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exit(3);
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}
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#define BUFSIZE 256
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int main(int argc, char **argv)
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{
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char line[BUFSIZE];
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unsigned char insn_buf[16];
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struct insn insn;
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int insns = 0;
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int x86_64 = 0;
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prog = argv[0];
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if (argc > 2)
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usage();
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if (argc == 2 && argv[1][0] == 'y')
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x86_64 = 1;
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while (fgets(line, BUFSIZE, stdin)) {
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char copy[BUFSIZE], *s, *tab1, *tab2;
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int nb = 0;
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unsigned int b;
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insns++;
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memset(insn_buf, 0, 16);
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strcpy(copy, line);
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tab1 = strchr(copy, '\t');
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if (!tab1)
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malformed_line(line, insns);
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s = tab1 + 1;
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s += strspn(s, " ");
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tab2 = strchr(s, '\t');
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if (!tab2)
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malformed_line(line, insns);
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*tab2 = '\0'; /* Characters beyond tab2 aren't examined */
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while (s < tab2) {
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if (sscanf(s, "%x", &b) == 1) {
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insn_buf[nb++] = (unsigned char) b;
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s += 3;
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} else
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break;
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}
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/* Decode an instruction */
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insn_init(&insn, insn_buf, x86_64);
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insn_get_length(&insn);
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if (insn.length != nb) {
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fprintf(stderr, "Error: %s", line);
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fprintf(stderr, "Error: objdump says %d bytes, but "
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"insn_get_length() says %d (attr:%x)\n", nb,
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insn.length, insn.attr);
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exit(2);
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}
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}
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fprintf(stderr, "Succeed: decoded and checked %d instructions\n",
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insns);
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return 0;
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}
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