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| author |   Russell King <rmk+kernel@arm.linux.org.uk> | 2012-10-11 10:55:04 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-10-11 10:55:04 +0100 |
| commit | a0f0dd57f4a85310d9936f1770a0424b49fef876 (patch) | |
| tree | 2f85b8b67dda13d19b02ca39e0fbef921cb1cf8b /arch/arm64/kernel/vdso/sigreturn.S | |
| parent | ARM: 7549/1: HYP: fix boot on some ARM1136 cores (diff) | |
| parent | ARM: vfp: fix saving d16-d31 vfp registers on v6+ kernels (diff) | |
| download | linux-dev-a0f0dd57f4a85310d9936f1770a0424b49fef876.tar.xz linux-dev-a0f0dd57f4a85310d9936f1770a0424b49fef876.zip | |
Merge branch 'fixes' into for-linus
Conflicts:
arch/arm/kernel/smp.c
Diffstat (limited to 'arch/arm64/kernel/vdso/sigreturn.S')
| -rw-r--r-- | arch/arm64/kernel/vdso/sigreturn.S | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm64/kernel/vdso/sigreturn.S b/arch/arm64/kernel/vdso/sigreturn.S new file mode 100644 index 000000000000..20d98effa7dd --- /dev/null +++ b/arch/arm64/kernel/vdso/sigreturn.S @@ -0,0 +1,37 @@ +/* + * Sigreturn trampoline for returning from a signal when the SA_RESTORER + * flag is not set. + * + * Copyright (C) 2012 ARM Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * Author: Will Deacon <will.deacon@arm.com> + */ + +#include <linux/linkage.h> +#include <asm/unistd.h> + + .text + + nop +ENTRY(__kernel_rt_sigreturn) + .cfi_startproc + .cfi_signal_frame + .cfi_def_cfa x29, 0 + .cfi_offset x29, 0 * 8 + .cfi_offset x30, 1 * 8 + mov x8, #__NR_rt_sigreturn + svc #0 + .cfi_endproc +ENDPROC(__kernel_rt_sigreturn) |