xref: /openbmc/linux/arch/arm64/kernel/vdso/sigreturn.S (revision 9d4fa1a1)
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Sigreturn trampoline for returning from a signal when the SA_RESTORER
4 * flag is not set.
5 *
6 * Copyright (C) 2012 ARM Limited
7 *
8 * Author: Will Deacon <will.deacon@arm.com>
9 */
10
11#include <linux/linkage.h>
12#include <asm/unistd.h>
13
14	.text
15
16	nop
17SYM_FUNC_START(__kernel_rt_sigreturn)
18	.cfi_startproc
19	.cfi_signal_frame
20	.cfi_def_cfa	x29, 0
21	.cfi_offset	x29, 0 * 8
22	.cfi_offset	x30, 1 * 8
23	mov	x8, #__NR_rt_sigreturn
24	svc	#0
25	.cfi_endproc
26SYM_FUNC_END(__kernel_rt_sigreturn)
27