From: "Jan Beulich" <JBeulich@suse.com>
To: <mingo@elte.hu>, <tglx@linutronix.de>, <hpa@zytor.com>
Cc: <linux-kernel@vger.kernel.org>
Subject: [PATCH] ix86: unwind-annotate thunk_32.S
Date: Wed, 24 Sep 2014 08:41:30 +0100 [thread overview]
Message-ID: <542291CA0200007800038085@mail.emea.novell.com> (raw)
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
next reply other threads:[~2014-09-24 7:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-24 7:41 Jan Beulich [this message]
2014-10-08 8:10 ` [tip:x86/asm] x86: Unwind-annotate thunk_32.S tip-bot for Jan Beulich
2014-10-08 10:33 ` tip-bot for Jan Beulich
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