forked from ariadne/libucontext
47 lines
1.2 KiB
ArmAsm
47 lines
1.2 KiB
ArmAsm
/*
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* Copyright (c) 2021 Peng Fan <fanpeng@loongson.cn>
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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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#define LOCALSZ (1)
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#include "defs.h"
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ALIAS(getcontext, libucontext_getcontext)
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FUNC(libucontext_getcontext)
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/* copy $sp, $fp to temporary registers so we don't clobber them */
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move $a2, $sp
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move $a3, $fp
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PUSH_FRAME(libucontext_getcontext)
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/* set registers */
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st.d $s0, $a0, REG_OFFSET(23)
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st.d $s1, $a0, REG_OFFSET(24)
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st.d $s2, $a0, REG_OFFSET(25)
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st.d $s3, $a0, REG_OFFSET(26)
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st.d $s4, $a0, REG_OFFSET(27)
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st.d $s5, $a0, REG_OFFSET(28)
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st.d $s6, $a0, REG_OFFSET(29)
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st.d $s7, $a0, REG_OFFSET(30)
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st.d $s8, $a0, REG_OFFSET(31)
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st.d $a2, $a0, REG_OFFSET(3)
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st.d $a3, $a0, REG_OFFSET(22)
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st.d $ra, $a0, REG_OFFSET(1)
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st.d $ra, $a0, (MCONTEXT_PC)
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POP_FRAME(libucontext_getcontext)
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jr $ra
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END(libucontext_getcontext)
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