diff options
Diffstat (limited to 'arch/x86/lib/thunk_64.S')
-rw-r--r-- | arch/x86/lib/thunk_64.S | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/arch/x86/lib/thunk_64.S b/arch/x86/lib/thunk_64.S deleted file mode 100644 index 10f555e..0000000 --- a/arch/x86/lib/thunk_64.S +++ /dev/null @@ -1,69 +0,0 @@ -/* - * Save registers before calling assembly functions. This avoids - * disturbance of register allocation in some inline assembly constructs. - * Copyright 2001,2002 by Andi Kleen, SuSE Labs. - * Added trace_hardirqs callers - Copyright 2007 Steven Rostedt, Red Hat, Inc. - * Subject to the GNU public license, v.2. No warranty of any kind. - */ -#include <linux/linkage.h> -#include <asm/calling.h> -#include <asm/asm.h> - - /* rdi: arg1 ... normal C conventions. rax is saved/restored. */ - .macro THUNK name, func, put_ret_addr_in_rdi=0 - .globl \name -\name: - - /* this one pushes 9 elems, the next one would be %rIP */ - pushq %rdi - pushq %rsi - pushq %rdx - pushq %rcx - pushq %rax - pushq %r8 - pushq %r9 - pushq %r10 - pushq %r11 - - .if \put_ret_addr_in_rdi - /* 9*8(%rsp) is return addr on stack */ - movq 9*8(%rsp), %rdi - .endif - - call \func - jmp restore - _ASM_NOKPROBE(\name) - .endm - -#ifdef CONFIG_TRACE_IRQFLAGS - THUNK trace_hardirqs_on_thunk,trace_hardirqs_on_caller,1 - THUNK trace_hardirqs_off_thunk,trace_hardirqs_off_caller,1 -#endif - -#ifdef CONFIG_DEBUG_LOCK_ALLOC - THUNK lockdep_sys_exit_thunk,lockdep_sys_exit -#endif - -#ifdef CONFIG_PREEMPT - THUNK ___preempt_schedule, preempt_schedule -#ifdef CONFIG_CONTEXT_TRACKING - THUNK ___preempt_schedule_context, preempt_schedule_context -#endif -#endif - -#if defined(CONFIG_TRACE_IRQFLAGS) \ - || defined(CONFIG_DEBUG_LOCK_ALLOC) \ - || defined(CONFIG_PREEMPT) -restore: - popq %r11 - popq %r10 - popq %r9 - popq %r8 - popq %rax - popq %rcx - popq %rdx - popq %rsi - popq %rdi - ret - _ASM_NOKPROBE(restore) -#endif |