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>
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@ -12,8 +12,11 @@ else
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posttest_64bit = -n
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endif
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distill_awk = $(srctree)/arch/x86/tools/distill.awk
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chkobjdump = $(srctree)/arch/x86/tools/chkobjdump.awk
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quiet_cmd_posttest = TEST $@
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cmd_posttest = $(OBJDUMP) -d -j .text $(objtree)/vmlinux | $(AWK) -f $(srctree)/arch/x86/tools/distill.awk | $(obj)/test_get_len $(posttest_64bit) $(posttest_verbose)
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cmd_posttest = ($(OBJDUMP) -v | $(AWK) -f $(chkobjdump)) || $(OBJDUMP) -d -j .text $(objtree)/vmlinux | $(AWK) -f $(distill_awk) | $(obj)/test_get_len $(posttest_64bit) $(posttest_verbose)
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posttest: $(obj)/test_get_len vmlinux
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$(call cmd,posttest)
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@ -0,0 +1,23 @@
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# GNU objdump version checker
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#
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# Usage:
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# objdump -v | awk -f chkobjdump.awk
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BEGIN {
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# objdump version 2.19 or later is OK for the test.
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od_ver = 2;
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od_sver = 19;
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}
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/^GNU/ {
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split($4, ver, ".");
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if (ver[1] > od_ver ||
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(ver[1] == od_ver && ver[2] >= od_sver)) {
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exit 1;
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} else {
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printf("Warning: objdump version %s is older than %d.%d\n",
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$4, od_ver, od_sver);
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print("Warning: Skipping posttest.");
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# Logic is inverted, because we just skip test without error.
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exit 0;
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}
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}
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