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Commit 6f5f6726 authored by Masami Hiramatsu's avatar Masami Hiramatsu Committed by H. Peter Anvin
Browse files

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: default avatarMasami 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: default avatarH. Peter Anvin <hpa@zytor.com>
parent 80509e27

arch/x86/tools/Makefile

+4 −1
Original line number Original line Diff line number Diff line
@@ -12,8 +12,11 @@ else 
  posttest_64bit = -n

  posttest_64bit = -n

endif

endif





distill_awk = $(srctree)/arch/x86/tools/distill.awk

chkobjdump = $(srctree)/arch/x86/tools/chkobjdump.awk



quiet_cmd_posttest = TEST    $@

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

posttest: $(obj)/test_get_len vmlinux

	$(call cmd,posttest)

	$(call cmd,posttest)

arch/x86/tools/chkobjdump.awk

0 → 100644
+23 −0
Original line number Original line Diff line number Diff line 
# 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;

	}

}