forked from ariadne/libucontext
47 lines
1.3 KiB
ArmAsm
47 lines
1.3 KiB
ArmAsm
/*
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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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#include "defs.h"
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ALIAS(getcontext, libucontext_getcontext)
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ALIAS(__getcontext, libucontext_getcontext)
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FUNC(libucontext_getcontext)
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sw ra, REG_OFFSET(REG_PC)(a0)
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sw ra, REG_OFFSET(REG_RA)(a0)
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sw sp, REG_OFFSET(REG_SP)(a0)
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/* first saved register block */
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sw s0, REG_OFFSET(REG_S0)(a0)
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sw s1, REG_OFFSET(REG_S1)(a0)
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/* return register block */
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sw x0, REG_OFFSET(REG_A0)(a0)
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sw x0, REG_OFFSET(REG_A1)(a0)
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/* second saved register block */
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sw s2, REG_OFFSET(REG_S2)(a0)
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sw s3, REG_OFFSET(REG_S3)(a0)
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sw s4, REG_OFFSET(REG_S4)(a0)
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sw s5, REG_OFFSET(REG_S5)(a0)
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sw s6, REG_OFFSET(REG_S6)(a0)
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sw s7, REG_OFFSET(REG_S7)(a0)
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sw s8, REG_OFFSET(REG_S8)(a0)
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sw s9, REG_OFFSET(REG_S9)(a0)
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sw s10, REG_OFFSET(REG_S10)(a0)
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sw s11, REG_OFFSET(REG_S11)(a0)
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/* done saving, return */
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mv a0, x0
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ret
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END(libucontext_getcontext)
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