1/* Copyright (C) 2012-2021 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18#include <sysdep.h> 19#include <shlib-compat.h> 20 21 .text 22ENTRY(__pthread_spin_lock) 231: ldstub [%o0], %g1 24 orcc %g1, 0x0, %g0 25 bne,a 2f 26 ldub [%o0], %g1 27 retl 28 mov 0, %o0 292: orcc %g1, 0x0, %g0 30 bne,a 2b 31 ldub [%o0], %g1 32 ba,a 1b 33END(__pthread_spin_lock) 34versioned_symbol (libc, __pthread_spin_lock, pthread_spin_lock, GLIBC_2_34) 35 36#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_2, GLIBC_2_34) 37compat_symbol (libpthread, __pthread_spin_lock, pthread_spin_lock, GLIBC_2_2) 38#endif 39