2018-02-15 05:54:17 +00:00
|
|
|
/*
|
2020-03-30 06:12:07 +00:00
|
|
|
* Copyright (c) 2018, 2020 Ariadne Conill <ariadne@dereferenced.org>
|
2018-02-15 05:54:17 +00:00
|
|
|
*
|
|
|
|
|
* 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"
|
|
|
|
|
|
2020-12-06 09:02:25 +00:00
|
|
|
ALIAS(getcontext, libucontext_getcontext)
|
2018-02-15 05:54:17 +00:00
|
|
|
|
2020-12-06 09:02:25 +00:00
|
|
|
FUNC(libucontext_getcontext)
|
2018-02-15 05:54:17 +00:00
|
|
|
lgr %r1, %r2 /* use %r1 as our working register */
|
|
|
|
|
la %r2, 0 /* we will return 0 */
|
|
|
|
|
|
2020-03-30 06:12:07 +00:00
|
|
|
stam %a0, %a15, AREG_OFFSET(0)(%r1) /* store access registers */
|
|
|
|
|
stmg %r0, %r15, REG_OFFSET(0)(%r1) /* store general-purpose registers */
|
2018-02-15 05:54:17 +00:00
|
|
|
|
|
|
|
|
br %r14 /* return to where we came from */
|
2020-12-06 09:02:25 +00:00
|
|
|
END(libucontext_getcontext)
|
