diff options
| author | Andi Kleen <ak@suse.de> | 2007-08-14 20:40:37 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-08-18 13:25:25 -0400 |
| commit | f0f12d85af8593e45fdf4a4d4c7cad240a6787a2 (patch) | |
| tree | 6277016bd6aae2acebd03e462215f8350038419b /arch/x86_64 | |
| parent | 6e3515352bdd1c42d78bd16dae06dd429d6b1861 (diff) | |
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 <jbeulich@novell.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86_64')
| -rw-r--r-- | arch/x86_64/Makefile | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile index 128561d3e876..b024e4a86895 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,) | |||
| 57 | cflags-y += -maccumulate-outgoing-args | 57 | cflags-y += -maccumulate-outgoing-args |
| 58 | 58 | ||
| 59 | # do binutils support CFI? | 59 | # do binutils support CFI? |
| 60 | cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,) | 60 | cflags-y += $(call as-instr,.cfi_startproc\n.cfi_rel_offset rsp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,) |
| 61 | AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,) | 61 | AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_rel_offset rsp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,) |
| 62 | 62 | ||
| 63 | # is .cfi_signal_frame supported too? | 63 | # is .cfi_signal_frame supported too? |
| 64 | cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) | 64 | cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) |