2020-03-29 15:54:32 +00:00
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/*
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* Copyright (c) 2020 Ariadne Conill <ariadne@dereferenced.org>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* This software is provided 'as is' and without any warranty, express or
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* implied. In no event shall the authors be liable for any damages arising
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* from the use of this software.
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*/
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LOCALSZ = 1
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#include "defs.h"
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2020-12-06 09:03:07 +00:00
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ALIAS(setcontext, libucontext_setcontext)
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2021-01-08 09:30:50 +00:00
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ALIAS(__setcontext, libucontext_setcontext)
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2020-03-29 15:54:32 +00:00
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2020-12-06 09:03:07 +00:00
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FUNC(libucontext_setcontext)
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PUSH_FRAME(libucontext_setcontext)
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2020-03-29 15:54:32 +00:00
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/* move the context to $v0 */
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move $v0, $a0
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/* load the registers */
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2020-03-30 04:07:41 +00:00
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lw $a0, REG_OFFSET(4)($v0)
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lw $a1, REG_OFFSET(5)($v0)
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lw $a2, REG_OFFSET(6)($v0)
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lw $a3, REG_OFFSET(7)($v0)
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lw $s0, REG_OFFSET(16)($v0)
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lw $s1, REG_OFFSET(17)($v0)
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lw $s2, REG_OFFSET(18)($v0)
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lw $s3, REG_OFFSET(19)($v0)
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lw $s4, REG_OFFSET(20)($v0)
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lw $s5, REG_OFFSET(21)($v0)
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lw $s6, REG_OFFSET(22)($v0)
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lw $s7, REG_OFFSET(23)($v0)
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lw $gp, REG_OFFSET(28)($v0)
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lw $sp, REG_OFFSET(29)($v0)
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lw $fp, REG_OFFSET(30)($v0)
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lw $ra, REG_OFFSET(31)($v0)
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2020-03-29 15:54:32 +00:00
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lw $t9, (MCONTEXT_PC)($v0)
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move $v0, $zero
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jr $t9
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2020-12-06 09:03:07 +00:00
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POP_FRAME(libucontext_setcontext)
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END(libucontext_setcontext)
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