diff options
Diffstat (limited to 'arch/x86/entry/thunk_64.S')
| -rw-r--r-- | arch/x86/entry/thunk_64.S | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/arch/x86/entry/thunk_64.S b/arch/x86/entry/thunk_64.S deleted file mode 100644 index 496b11ec469d..000000000000 --- a/arch/x86/entry/thunk_64.S +++ /dev/null @@ -1,56 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * 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. - */ -#include <linux/linkage.h> -#include "calling.h" -#include <asm/asm.h> -#include <asm/export.h> - - /* rdi: arg1 ... normal C conventions. rax is saved/restored. */ - .macro THUNK name, func -SYM_FUNC_START_NOALIGN(\name) - pushq %rbp - movq %rsp, %rbp - - pushq %rdi - pushq %rsi - pushq %rdx - pushq %rcx - pushq %rax - pushq %r8 - pushq %r9 - pushq %r10 - pushq %r11 - - call \func - jmp __thunk_restore -SYM_FUNC_END(\name) - _ASM_NOKPROBE(\name) - .endm - -#ifdef CONFIG_PREEMPTION - THUNK preempt_schedule_thunk, preempt_schedule - THUNK preempt_schedule_notrace_thunk, preempt_schedule_notrace - EXPORT_SYMBOL(preempt_schedule_thunk) - EXPORT_SYMBOL(preempt_schedule_notrace_thunk) -#endif - -#ifdef CONFIG_PREEMPTION -SYM_CODE_START_LOCAL_NOALIGN(__thunk_restore) - popq %r11 - popq %r10 - popq %r9 - popq %r8 - popq %rax - popq %rcx - popq %rdx - popq %rsi - popq %rdi - popq %rbp - ret - _ASM_NOKPROBE(__thunk_restore) -SYM_CODE_END(__thunk_restore) -#endif |