forked from ariadne/libucontext
45 lines
1.2 KiB
ArmAsm
45 lines
1.2 KiB
ArmAsm
/*
|
|
* Copyright (c) 2020 Ariadne Conill <ariadne@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"
|
|
|
|
ALIAS(getcontext, libucontext_getcontext)
|
|
|
|
FUNC(libucontext_getcontext)
|
|
sd ra, REG_OFFSET(REG_PC)(a0)
|
|
sd ra, REG_OFFSET(REG_RA)(a0)
|
|
sd sp, REG_OFFSET(REG_SP)(a0)
|
|
|
|
/* first saved register block */
|
|
sd s0, REG_OFFSET(REG_S0)(a0)
|
|
sd s1, REG_OFFSET(REG_S1)(a0)
|
|
|
|
/* return register block */
|
|
sd a0, REG_OFFSET(REG_A0)(a0)
|
|
sd a1, REG_OFFSET(REG_A1)(a0)
|
|
|
|
/* second saved register block */
|
|
sd s2, REG_OFFSET(REG_S2)(a0)
|
|
sd s3, REG_OFFSET(REG_S3)(a0)
|
|
sd s4, REG_OFFSET(REG_S4)(a0)
|
|
sd s5, REG_OFFSET(REG_S5)(a0)
|
|
sd s6, REG_OFFSET(REG_S6)(a0)
|
|
sd s7, REG_OFFSET(REG_S7)(a0)
|
|
sd s8, REG_OFFSET(REG_S8)(a0)
|
|
sd s9, REG_OFFSET(REG_S9)(a0)
|
|
sd s10, REG_OFFSET(REG_S10)(a0)
|
|
sd s11, REG_OFFSET(REG_S11)(a0)
|
|
|
|
/* done saving, return */
|
|
ret
|
|
END(libucontext_getcontext)
|