2 files changed, 8 insertions, 0 deletions

diff --git a/arch/i386/Makefile b/arch/i386/Makefile
index 508cdbeb3a09..7cc0b189b82b 100644
--- a/arch/i386/Makefile
+++ b/arch/i386/Makefile
@@ -50,6 +50,10 @@ CFLAGS				+= $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-op
 cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
 AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
 
+# is .cfi_signal_frame supported too?
+cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
+AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
+
 CFLAGS += $(cflags-y)
 
 # Default subarch .c files
diff --git a/arch/i386/kernel/entry.S b/arch/i386/kernel/entry.S
index 284f2e908ad0..5a63d6fdb70e 100644
--- a/arch/i386/kernel/entry.S
+++ b/arch/i386/kernel/entry.S
@@ -183,18 +183,21 @@ VM_MASK		= 0x00020000
 
 #define RING0_INT_FRAME \
         CFI_STARTPROC simple;\
+        CFI_SIGNAL_FRAME;\
         CFI_DEF_CFA esp, 3*4;\
         /*CFI_OFFSET cs, -2*4;*/\
         CFI_OFFSET eip, -3*4
 
 #define RING0_EC_FRAME \
         CFI_STARTPROC simple;\
+        CFI_SIGNAL_FRAME;\
         CFI_DEF_CFA esp, 4*4;\
         /*CFI_OFFSET cs, -2*4;*/\
         CFI_OFFSET eip, -3*4
 
 #define RING0_PTREGS_FRAME \
         CFI_STARTPROC simple;\
+        CFI_SIGNAL_FRAME;\
         CFI_DEF_CFA esp, OLDESP-EBX;\
         /*CFI_OFFSET cs, CS-OLDESP;*/\
         CFI_OFFSET eip, EIP-OLDESP;\
@@ -275,6 +278,7 @@ need_resched:
         # sysenter call handler stub
 ENTRY(sysenter_entry)
         CFI_STARTPROC simple
+        CFI_SIGNAL_FRAME
         CFI_DEF_CFA esp, 0
         CFI_REGISTER esp, ebp
         movl TSS_sysenter_esp0(%esp),%esp