| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | * Copyright 2015, Cyril Bur, IBM Corp. |
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| 4 | */ |
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| 5 | |
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| 6 | #include "basic_asm.h" |
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| 7 | |
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| 8 | /* long signal_self(pid_t pid, int sig); */ |
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| 9 | FUNC_START(signal_self) |
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| 10 | li r0,37 /* sys_kill */ |
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| 11 | /* r3 already has our pid in it */ |
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| 12 | /* r4 already has signal type in it */ |
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| 13 | sc |
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| 14 | bc 4,3,1f |
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| 15 | subfze r3,r3 |
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| 16 | 1: blr |
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| 17 | FUNC_END(signal_self) |
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| 18 | |
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| 19 | /* long tm_signal_self(pid_t pid, int sig, int *ret); */ |
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| 20 | FUNC_START(tm_signal_self) |
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| 21 | PUSH_BASIC_STACK(8) |
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| 22 | std r5,STACK_FRAME_PARAM(0)(sp) /* ret */ |
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| 23 | tbegin. |
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| 24 | beq 1f |
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| 25 | tsuspend. |
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| 26 | li r0,37 /* sys_kill */ |
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| 27 | /* r3 already has our pid in it */ |
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| 28 | /* r4 already has signal type in it */ |
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| 29 | sc |
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| 30 | ld r5,STACK_FRAME_PARAM(0)(sp) /* ret */ |
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| 31 | bc 4,3,2f |
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| 32 | subfze r3,r3 |
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| 33 | 2: std r3,0(r5) |
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| 34 | tabort. 0 |
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| 35 | tresume. /* Be nice to some cleanup, jumps back to tbegin then to 1: */ |
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| 36 | /* |
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| 37 | * Transaction should be proper doomed and we should never get |
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| 38 | * here |
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| 39 | */ |
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| 40 | li r3,1 |
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| 41 | POP_BASIC_STACK(8) |
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| 42 | blr |
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| 43 | 1: li r3,0 |
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| 44 | POP_BASIC_STACK(8) |
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| 45 | blr |
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| 46 | FUNC_END(tm_signal_self) |
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| 47 | |
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