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36 lines
1.2 KiB
ArmAsm
36 lines
1.2 KiB
ArmAsm
/* Copyright (C) 2012-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#include <errno.h>
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#include <shlib-compat.h>
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.text
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ENTRY(__pthread_spin_trylock)
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ldstub [%o0], %o0
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membar #StoreLoad | #StoreStore
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retl
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movrnz %o0, EBUSY, %o0
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END(__pthread_spin_trylock)
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versioned_symbol (libc, __pthread_spin_trylock, pthread_spin_trylock,
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GLIBC_2_34)
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#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_2, GLIBC_2_34)
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compat_symbol (libpthread, __pthread_spin_trylock, pthread_spin_trylock,
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GLIBC_2_2)
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#endif
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