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authorMasami Hiramatsu <mhiramat@redhat.com>2009-11-20 20:13:14 +0300
committerH. Peter Anvin <hpa@zytor.com>2009-11-21 10:01:04 +0300
commit6f5f67267dc4faecd9cba63894de92ca92a608b8 (patch)
tree2ebee0e99341c812a55947cf0a611b4d0fef6d68 /arch/x86/tools
parent80509e27e40d7554e576405ed9f5b7966c567112 (diff)
downloadlinux-6f5f67267dc4faecd9cba63894de92ca92a608b8.tar.xz
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>
Diffstat (limited to 'arch/x86/tools')
-rw-r--r--arch/x86/tools/Makefile5
-rw-r--r--arch/x86/tools/chkobjdump.awk23
2 files changed, 27 insertions, 1 deletions
diff --git a/arch/x86/tools/Makefile b/arch/x86/tools/Makefile
index c80b0792cd83..f82082677337 100644
--- a/arch/x86/tools/Makefile
+++ b/arch/x86/tools/Makefile
@@ -12,8 +12,11 @@ else
posttest_64bit = -n
endif
+distill_awk = $(srctree)/arch/x86/tools/distill.awk
+chkobjdump = $(srctree)/arch/x86/tools/chkobjdump.awk
+
quiet_cmd_posttest = TEST $@
- cmd_posttest = $(OBJDUMP) -d -j .text $(objtree)/vmlinux | $(AWK) -f $(srctree)/arch/x86/tools/distill.awk | $(obj)/test_get_len $(posttest_64bit) $(posttest_verbose)
+ cmd_posttest = ($(OBJDUMP) -v | $(AWK) -f $(chkobjdump)) || $(OBJDUMP) -d -j .text $(objtree)/vmlinux | $(AWK) -f $(distill_awk) | $(obj)/test_get_len $(posttest_64bit) $(posttest_verbose)
posttest: $(obj)/test_get_len vmlinux
$(call cmd,posttest)
diff --git a/arch/x86/tools/chkobjdump.awk b/arch/x86/tools/chkobjdump.awk
new file mode 100644
index 000000000000..0d13cd9fdcff
--- /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;
+ }
+}