47 lines
1.2 KiB
ArmAsm
47 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.
|
|
*/
|
|
|
|
LOCALSZ = 1
|
|
|
|
#include "defs.h"
|
|
|
|
ALIAS(getcontext, libucontext_getcontext)
|
|
|
|
FUNC(libucontext_getcontext)
|
|
/* copy $gp, $sp, $fp to temporary registers so we don't clobber them */
|
|
move $a2, $gp
|
|
move $a3, $sp
|
|
move $a1, $fp
|
|
|
|
PUSH_FRAME(libucontext_getcontext)
|
|
|
|
/* set registers */
|
|
sw $s0, REG_OFFSET(16)($a0)
|
|
sw $s1, REG_OFFSET(17)($a0)
|
|
sw $s2, REG_OFFSET(18)($a0)
|
|
sw $s3, REG_OFFSET(19)($a0)
|
|
sw $s4, REG_OFFSET(20)($a0)
|
|
sw $s5, REG_OFFSET(21)($a0)
|
|
sw $s6, REG_OFFSET(22)($a0)
|
|
sw $s7, REG_OFFSET(23)($a0)
|
|
|
|
sw $a2, REG_OFFSET(28)($a0)
|
|
sw $a3, REG_OFFSET(29)($a0)
|
|
sw $a1, REG_OFFSET(30)($a0)
|
|
sw $ra, REG_OFFSET(31)($a0)
|
|
sw $ra, (MCONTEXT_PC)($a0)
|
|
|
|
POP_FRAME(libucontext_getcontext)
|
|
|
|
jr $ra
|
|
END(libucontext_getcontext)
|