51 lines
1.2 KiB
ArmAsm
51 lines
1.2 KiB
ArmAsm
/*
|
|
* 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)
|