diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/testing/selftests/powerpc/signal/signal.S | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/testing/selftests/powerpc/signal/signal.S')
-rw-r--r-- | tools/testing/selftests/powerpc/signal/signal.S | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/tools/testing/selftests/powerpc/signal/signal.S b/tools/testing/selftests/powerpc/signal/signal.S new file mode 100644 index 000000000..228fba499 --- /dev/null +++ b/tools/testing/selftests/powerpc/signal/signal.S @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright 2015, Cyril Bur, IBM Corp. + */ + +#include "basic_asm.h" + +/* long signal_self(pid_t pid, int sig); */ +FUNC_START(signal_self) + li r0,37 /* sys_kill */ + /* r3 already has our pid in it */ + /* r4 already has signal type in it */ + sc + bc 4,3,1f + subfze r3,r3 +1: blr +FUNC_END(signal_self) + +/* long tm_signal_self(pid_t pid, int sig, int *ret); */ +FUNC_START(tm_signal_self) + PUSH_BASIC_STACK(8) + std r5,STACK_FRAME_PARAM(0)(sp) /* ret */ + tbegin. + beq 1f + tsuspend. + li r0,37 /* sys_kill */ + /* r3 already has our pid in it */ + /* r4 already has signal type in it */ + sc + ld r5,STACK_FRAME_PARAM(0)(sp) /* ret */ + bc 4,3,2f + subfze r3,r3 +2: std r3,0(r5) + tabort. 0 + tresume. /* Be nice to some cleanup, jumps back to tbegin then to 1: */ + /* + * Transaction should be proper doomed and we should never get + * here + */ + li r3,1 + POP_BASIC_STACK(8) + blr +1: li r3,0 + POP_BASIC_STACK(8) + blr +FUNC_END(tm_signal_self) |