x86: insn decoder test checks objdump version
Check objdump version before using it for insn decoder build test,
because some older objdump can't decode AVX code correctly.
Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Jim Keniston <jkenisto@us.ibm.com>
LKML-Reference: <20091120171314.6715.30390.stgit@dhcp-100-2-132.bos.redhat.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
diff --git a/arch/x86/tools/chkobjdump.awk b/arch/x86/tools/chkobjdump.awk
new file mode 100644
index 0000000..0d13cd9
--- /dev/null
+++ b/arch/x86/tools/chkobjdump.awk
@@ -0,0 +1,23 @@
+# GNU objdump version checker
+#
+# Usage:
+# objdump -v | awk -f chkobjdump.awk
+BEGIN {
+ # objdump version 2.19 or later is OK for the test.
+ od_ver = 2;
+ od_sver = 19;
+}
+
+/^GNU/ {
+ split($4, ver, ".");
+ if (ver[1] > od_ver ||
+ (ver[1] == od_ver && ver[2] >= od_sver)) {
+ exit 1;
+ } else {
+ printf("Warning: objdump version %s is older than %d.%d\n",
+ $4, od_ver, od_sver);
+ print("Warning: Skipping posttest.");
+ # Logic is inverted, because we just skip test without error.
+ exit 0;
+ }
+}