linux/arch/x86/lib/thunk_32.S
Jan Beulich 039e13890b x86: Remove unused bits from lib/thunk_*.S
Some of the items removed were apparently never used, others
simply didn't get removed with their last user.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
LKML-Reference: <4D6BD3A002000078000341F1@vpn.id2.novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-02-28 18:06:22 +01:00

30 lines
656 B
ArmAsm

/*
* Trampoline to trace irqs off. (otherwise CALLER_ADDR1 might crash)
* Copyright 2008 by Steven Rostedt, Red Hat, Inc
* (inspired by Andi Kleen's thunk_64.S)
* Subject to the GNU public license, v.2. No warranty of any kind.
*/
#include <linux/linkage.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
/* Place EIP in the arg1 */
movl 3*4(%esp), %eax
call \func
popl %edx
popl %ecx
popl %eax
ret
.endm
thunk_ra trace_hardirqs_on_thunk,trace_hardirqs_on_caller
thunk_ra trace_hardirqs_off_thunk,trace_hardirqs_off_caller
#endif