29 lines
798 B
ArmAsm
29 lines
798 B
ArmAsm
/*
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* Copyright (c) 2019 Bobby Bingham <koorogi@koorogi.info>
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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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.global __swapcontext
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__swapcontext:
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addis 2, 12, .TOC.-__swapcontext@ha
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addi 2, 12, .TOC.-__swapcontext@l
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.localentry __swapcontext,.-__swapcontext
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li 0, 249 # SYS_swapcontext
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li 5, 1696 # sizeof(ucontext_t)
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sc
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.hidden __retfromsyscall
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b __retfromsyscall
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.weak swapcontext
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swapcontext = __swapcontext
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