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x86: Instruction decoder test should generate build warning

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Since some instructions are not decoded correctly by older
versions of objdump, it may cause false positive error in insn
decoder posttest.

This changes build error of insn decoder test to build warning.

Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: systemtap <systemtap@sources.redhat.com>
Cc: DLE <dle-develop@lists.sourceforge.net>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Jim Keniston <jkenisto@us.ibm.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
LKML-Reference: <20091116230631.5250.41579.stgit@harusame>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Masami Hiramatsu 2009-11-16 18:06:31 -05:00 committed by Ingo Molnar
parent 6b0cb5f9f7
commit ce64c62074
1 changed files with 11 additions and 6 deletions
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17
arch/x86/tools/test_get_len.c
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@ -114,6 +114,7 @@ int main(int argc, char **argv)
unsigned char insn_buf[16];
struct insn insn;
int insns = 0, c;
int warnings = 0;
parse_args(argc, argv);
@ -151,18 +152,22 @@ int main(int argc, char **argv)
insn_init(&insn, insn_buf, x86_64);
insn_get_length(&insn);
if (insn.length != nb) {
fprintf(stderr, "Error: %s found a difference at %s\n",
warnings++;
fprintf(stderr, "Warning: %s found difference at %s\n",
prog, sym);
fprintf(stderr, "Error: %s", line);
fprintf(stderr, "Error: objdump says %d bytes, but "
fprintf(stderr, "Warning: %s", line);
fprintf(stderr, "Warning: objdump says %d bytes, but "
"insn_get_length() says %d\n", nb,
insn.length);
if (verbose)
dump_insn(stderr, &insn);
exit(2);
}
}
fprintf(stderr, "Succeed: decoded and checked %d instructions\n",
insns);
if (warnings)
fprintf(stderr, "Warning: decoded and checked %d"
" instructions with %d warnings\n", insns, warnings);
else
fprintf(stderr, "Succeed: decoded and checked %d"
" instructions\n", insns);
return 0;
}