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- /* 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)
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