1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Save registers before calling assembly functions. This avoids
 4 * disturbance of register allocation in some inline assembly constructs.
 5 * Copyright 2001,2002 by Andi Kleen, SuSE Labs.
 6 */
 7#include <linux/export.h>
 8#include <linux/linkage.h>
 9#include "calling.h"
10#include <asm/asm.h>
 
11
12THUNK preempt_schedule_thunk, preempt_schedule
13THUNK preempt_schedule_notrace_thunk, preempt_schedule_notrace
14EXPORT_SYMBOL(preempt_schedule_thunk)
15EXPORT_SYMBOL(preempt_schedule_notrace_thunk)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Save registers before calling assembly functions. This avoids
 4 * disturbance of register allocation in some inline assembly constructs.
 5 * Copyright 2001,2002 by Andi Kleen, SuSE Labs.
 6 */
 
 7#include <linux/linkage.h>
 8#include "calling.h"
 9#include <asm/asm.h>
10#include <asm/export.h>
11
12	/* rdi:	arg1 ... normal C conventions. rax is saved/restored. */
13	.macro THUNK name, func
14SYM_FUNC_START(\name)
15	pushq %rbp
16	movq %rsp, %rbp
17
18	pushq %rdi
19	pushq %rsi
20	pushq %rdx
21	pushq %rcx
22	pushq %rax
23	pushq %r8
24	pushq %r9
25	pushq %r10
26	pushq %r11
27
28	call \func
29	jmp  __thunk_restore
30SYM_FUNC_END(\name)
31	_ASM_NOKPROBE(\name)
32	.endm
33
34	THUNK preempt_schedule_thunk, preempt_schedule
35	THUNK preempt_schedule_notrace_thunk, preempt_schedule_notrace
36	EXPORT_SYMBOL(preempt_schedule_thunk)
37	EXPORT_SYMBOL(preempt_schedule_notrace_thunk)
38
39SYM_CODE_START_LOCAL(__thunk_restore)
40	popq %r11
41	popq %r10
42	popq %r9
43	popq %r8
44	popq %rax
45	popq %rcx
46	popq %rdx
47	popq %rsi
48	popq %rdi
49	popq %rbp
50	RET
51	_ASM_NOKPROBE(__thunk_restore)
52SYM_CODE_END(__thunk_restore)