libucontext/arch/mips64/startcontext.S

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/*
* 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"
.hidden libucontext_trampoline
FUNC(libucontext_trampoline)
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move $gp, $s1
/* we receive our initial ucontext in $s0, so if $s0 is nil, bail */
beqz $s0, no_linked_context
/* call setcontext */
move $a0, $s0
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dla $t9, PROC_NAME(libucontext_setcontext)
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jr $t9
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no_linked_context:
move $a0, $zero
dla $t9, exit
jalr $t9
nop
END(libucontext_trampoline)