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Subject[PATCH] ix86: unwind-annotate thunk_32.S
Signed-off-by: Jan Beulich <jbeulich@suse.com>
---
arch/x86/lib/thunk_32.S | 21 +++++++++++++++------
1 file changed, 15 insertions(+), 6 deletions(-)

--- 3.17-rc6/arch/x86/lib/thunk_32.S
+++ 3.17-rc6-ix86-annotate-thunks/arch/x86/lib/thunk_32.S
@@ -6,22 +6,31 @@
*/
#include <linux/linkage.h>
#include <asm/asm.h>
+ #include <asm/dwarf2.h>

#ifdef CONFIG_TRACE_IRQFLAGS
/* put return address in eax (arg1) */
.macro thunk_ra name,func
.globl \name
\name:
- pushl %eax
- pushl %ecx
- pushl %edx
+ CFI_STARTPROC
+ pushl_cfi %eax
+ CFI_REL_OFFSET eax, 0
+ pushl_cfi %ecx
+ CFI_REL_OFFSET ecx, 0
+ pushl_cfi %edx
+ CFI_REL_OFFSET edx, 0
/* Place EIP in the arg1 */
movl 3*4(%esp), %eax
call \func
- popl %edx
- popl %ecx
- popl %eax
+ popl_cfi %edx
+ CFI_RESTORE edx
+ popl_cfi %ecx
+ CFI_RESTORE ecx
+ popl_cfi %eax
+ CFI_RESTORE eax
ret
+ CFI_ENDPROC
_ASM_NOKPROBE(\name)
.endm





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