diff options
Diffstat (limited to 'arch/x86_64/Makefile')
| -rw-r--r-- | arch/x86_64/Makefile | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile index 431bb4bc36cd..1c0f18d4f887 100644 --- a/arch/x86_64/Makefile +++ b/arch/x86_64/Makefile | |||
| @@ -54,6 +54,16 @@ endif | |||
| 54 | cflags-y += $(call cc-option,-funit-at-a-time) | 54 | cflags-y += $(call cc-option,-funit-at-a-time) |
| 55 | # prevent gcc from generating any FP code by mistake | 55 | # prevent gcc from generating any FP code by mistake |
| 56 | cflags-y += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,) | 56 | cflags-y += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,) |
| 57 | # do binutils support CFI? | ||
| 58 | cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,) | ||
| 59 | AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,) | ||
| 60 | |||
| 61 | # is .cfi_signal_frame supported too? | ||
| 62 | cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) | ||
| 63 | AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) | ||
| 64 | |||
| 65 | cflags-$(CONFIG_CC_STACKPROTECTOR) += $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh $(CC) -fstack-protector ) | ||
| 66 | cflags-$(CONFIG_CC_STACKPROTECTOR_ALL) += $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh $(CC) -fstack-protector-all ) | ||
| 57 | 67 | ||
| 58 | CFLAGS += $(cflags-y) | 68 | CFLAGS += $(cflags-y) |
| 59 | CFLAGS_KERNEL += $(cflags-kernel-y) | 69 | CFLAGS_KERNEL += $(cflags-kernel-y) |