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| author | Masami Hiramatsu <mhiramat@redhat.com> | 2009-11-20 20:13:14 +0300 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2009-11-21 10:01:04 +0300 |
| commit | 6f5f67267dc4faecd9cba63894de92ca92a608b8 (patch) | |
| tree | 2ebee0e99341c812a55947cf0a611b4d0fef6d68 /arch/x86/tools | |
| parent | 80509e27e40d7554e576405ed9f5b7966c567112 (diff) | |
| download | linux-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/Makefile | 5 | ||||
| -rw-r--r-- | arch/x86/tools/chkobjdump.awk | 23 |
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; + } +} |