1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
/*
* Copyright 2015, Cyril Bur, IBM Corp.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#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)
|
