libucontext/arch/riscv64/startcontext.S

30 lines
784 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:
tail exit@plt
END(__start_context)