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authorMasami Hiramatsu <mhiramat@redhat.com>2009-11-17 02:06:31 +0300
committerIngo Molnar <mingo@elte.hu>2009-11-19 23:40:13 +0300
commitce64c62074d945fe5f8a7f01bdc30125f994ea67 (patch)
tree989f23f825eb706f2b86c1535433d2f9b314a95a /arch/x86/tools
parent6b0cb5f9f7033c72b19697c33deab83f0dd9848d (diff)
downloadlinux-ce64c62074d945fe5f8a7f01bdc30125f994ea67.tar.xz
x86: Instruction decoder test should generate build warning
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>
Diffstat (limited to 'arch/x86/tools')
-rw-r--r--arch/x86/tools/test_get_len.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/arch/x86/tools/test_get_len.c b/arch/x86/tools/test_get_len.c
index af75e07217ba..d8214dc03fa7 100644
--- a/arch/x86/tools/test_get_len.c
+++ b/arch/x86/tools/test_get_len.c
@@ -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;
}