forked from ariadne/libucontext
30 lines
777 B
ArmAsm
30 lines
777 B
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"
|
||
|
|
|
||
|
|
FUNC(__start_context)
|
||
|
|
/* call the function passed to makecontext() */
|
||
|
|
jalr s1
|
||
|
|
|
||
|
|
/* check for linked context */
|
||
|
|
beqz s2, no_linked_context
|
||
|
|
|
||
|
|
/* if one is set, invoke it */
|
||
|
|
mv a0, s2
|
||
|
|
jal __setcontext
|
||
|
|
|
||
|
|
/* otherwise, exit. */
|
||
|
|
no_linked_context:
|
||
|
|
j exit
|
||
|
|
END(__start_context)
|