| 1 | /* Copyright (C) 2012-2024 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | |
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| 4 | The GNU C Library is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU Lesser General Public |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU Lesser General Public |
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| 15 | License along with the GNU C Library; if not, see |
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| 16 | <https://www.gnu.org/licenses/>. */ |
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| 17 | |
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| 18 | #include <sysdep.h> |
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| 19 | #include <shlib-compat.h> |
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| 20 | |
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| 21 | .text |
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| 22 | ENTRY(__pthread_spin_lock) |
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| 23 | 1: ldstub [%o0], %g1 |
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| 24 | brnz,pn %g1, 2f |
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| 25 | membar #StoreLoad | #StoreStore |
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| 26 | retl |
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| 27 | mov 0, %o0 |
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| 28 | 2: ldub [%o0], %g1 |
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| 29 | brnz,pt %g1, 2b |
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| 30 | membar #LoadLoad |
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| 31 | ba,a,pt %xcc, 1b |
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| 32 | END(__pthread_spin_lock) |
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| 33 | versioned_symbol (libc, __pthread_spin_lock, pthread_spin_lock, GLIBC_2_34) |
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| 34 | |
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| 35 | #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_2, GLIBC_2_34) |
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| 36 | compat_symbol (libpthread, __pthread_spin_lock, pthread_spin_lock, GLIBC_2_2) |
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| 37 | #endif |
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| 38 | |
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