34 lines
819 B
ArmAsm
34 lines
819 B
ArmAsm
/*
|
|
* Copyright (c) 2021 Peng Fan <fanpeng@loongson.cn>
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#define LOCALSZ (4)
|
|
|
|
#include "defs.h"
|
|
|
|
FUNC(libucontext_trampoline)
|
|
|
|
/* call setcontext */
|
|
move $a0, $s0
|
|
/* we receive our initial ucontext in $s0, so if $s0 is nil, bail */
|
|
beqz $s0, no_linked_context
|
|
|
|
la.got $t8, libucontext_setcontext
|
|
|
|
jr $t8
|
|
|
|
no_linked_context:
|
|
move $a0, $zero
|
|
la.global $t8, exit
|
|
jr $t8
|
|
|
|
END(libucontext_trampoline)
|