29 lines
862 B
ArmAsm
29 lines
862 B
ArmAsm
/*
|
|
* Copyright (c) 2018 William Pitcock <nenolod@dereferenced.org>
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* This software is provided 'as is' and without any warranty, express or
|
|
* implied. In no event shall the authors be liable for any damages arising
|
|
* from the use of this software.
|
|
*/
|
|
|
|
#include "defs.h"
|
|
|
|
|
|
.globl __getcontext;
|
|
__getcontext:
|
|
lgr %r1, %r2 /* use %r1 as our working register */
|
|
la %r2, 0 /* we will return 0 */
|
|
|
|
stam %a0, %a15, OFFSET_AREGS(%r1) /* store access registers */
|
|
stmg %r0, %r15, OFFSET_GREGS(%r1) /* store general-purpose registers */
|
|
|
|
br %r14 /* return to where we came from */
|
|
|
|
|
|
.weak getcontext;
|
|
getcontext = __getcontext;
|