From f0f12d85af8593e45fdf4a4d4c7cad240a6787a2 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Wed, 15 Aug 2007 02:40:37 +0200 Subject: x86_64: Check for .cfi_rel_offset in CFI probe Very old 64bit binutils have .cfi_startproc/endproc, but no .cfi_rel_offset. Check for .cfi_rel_offset too. Cc: Jan Beulich Cc: Sam Ravnborg Signed-off-by: Linus Torvalds --- arch/x86_64/Makefile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/x86_64/Makefile') diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile index 128561d3e87..b024e4a8689 100644 --- a/arch/x86_64/Makefile +++ b/arch/x86_64/Makefile @@ -57,8 +57,8 @@ cflags-y += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,) cflags-y += -maccumulate-outgoing-args # do binutils support CFI? -cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,) -AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,) +cflags-y += $(call as-instr,.cfi_startproc\n.cfi_rel_offset rsp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,) +AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_rel_offset rsp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,) # is .cfi_signal_frame supported too? cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) -- cgit v1.2.3