Commit-ID:  f74954f01ec9bb2004bcc24f247d1f26f1063ad2
Gitweb:     http://git.kernel.org/tip/f74954f01ec9bb2004bcc24f247d1f26f1063ad2
Author:     Jan Beulich <[email protected]>
AuthorDate: Wed, 24 Sep 2014 08:41:30 +0100
Committer:  Thomas Gleixner <[email protected]>
CommitDate: Wed, 8 Oct 2014 12:31:45 +0200

x86: Unwind-annotate thunk_32.S

Signed-off-by: Jan Beulich <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
---
 arch/x86/lib/thunk_32.S | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/arch/x86/lib/thunk_32.S b/arch/x86/lib/thunk_32.S
index e9acf5f..e28cdaf 100644
--- a/arch/x86/lib/thunk_32.S
+++ b/arch/x86/lib/thunk_32.S
@@ -6,14 +6,19 @@
  */
        #include <linux/linkage.h>
        #include <asm/asm.h>
+       #include <asm/dwarf2.h>
 
        /* put return address in eax (arg1) */
        .macro THUNK name, func, put_ret_addr_in_eax=0
        .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
 
        .if \put_ret_addr_in_eax
        /* Place EIP in the arg1 */
@@ -21,10 +26,14 @@
        .endif
 
        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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