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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-21 13:06:00 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-21 13:06:00 -0700 |
| commit | e990c77d06dbacc8e5c5edd2c4a1005d318a4fa6 (patch) | |
| tree | da0e56801bc28204ad3e51652d8e0393d7170060 /arch/x86/Makefile | |
| parent | 2f0384e5fc4766ad909597547d0e2b716c036755 (diff) | |
| parent | d7acb92fea932ad2e7846480aeacddc2c03c8485 (diff) | |
Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86-64, asm: If the assembler supports fxsave64, use it
i386: Make kernel_execve() suitable for stack unwinding
Diffstat (limited to 'arch/x86/Makefile')
| -rw-r--r-- | arch/x86/Makefile | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/Makefile b/arch/x86/Makefile index e8c8881351b3..b02e509072a7 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -96,8 +96,12 @@ cfi := $(call as-instr,.cfi_startproc\n.cfi_rel_offset $(sp-y)$(comma)0\n.cfi_en # is .cfi_signal_frame supported too? cfi-sigframe := $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1) cfi-sections := $(call as-instr,.cfi_sections .debug_frame,-DCONFIG_AS_CFI_SECTIONS=1) -KBUILD_AFLAGS += $(cfi) $(cfi-sigframe) $(cfi-sections) -KBUILD_CFLAGS += $(cfi) $(cfi-sigframe) $(cfi-sections) + +# does binutils support specific instructions? +asinstr := $(call as-instr,fxsaveq (%rax),-DCONFIG_AS_FXSAVEQ=1) + +KBUILD_AFLAGS += $(cfi) $(cfi-sigframe) $(cfi-sections) $(asinstr) +KBUILD_CFLAGS += $(cfi) $(cfi-sigframe) $(cfi-sections) $(asinstr) LDFLAGS := -m elf_$(UTS_MACHINE) |