| 1 | /* Copyright (C) 2003-2022 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 <shlib-compat.h> |
|---|
| 19 | |
|---|
| 20 | .text |
|---|
| 21 | .align 4 |
|---|
| 22 | |
|---|
| 23 | .globl __pthread_spin_lock |
|---|
| 24 | .ent __pthread_spin_lock |
|---|
| 25 | __pthread_spin_lock: |
|---|
| 26 | .frame $sp, 0, $26, 0 |
|---|
| 27 | .prologue 0 |
|---|
| 28 | |
|---|
| 29 | 0: ldl_l $1, 0($16) |
|---|
| 30 | lda $2, 1 |
|---|
| 31 | lda $0, 0 |
|---|
| 32 | bne $1, 1f |
|---|
| 33 | |
|---|
| 34 | stl_c $2, 0($16) |
|---|
| 35 | beq $2, 1f |
|---|
| 36 | mb |
|---|
| 37 | ret |
|---|
| 38 | |
|---|
| 39 | 1: ldl $1, 0($16) |
|---|
| 40 | bne $1, 1b |
|---|
| 41 | unop |
|---|
| 42 | br 0b |
|---|
| 43 | |
|---|
| 44 | .end __pthread_spin_lock |
|---|
| 45 | versioned_symbol (libc, __pthread_spin_lock, pthread_spin_lock, GLIBC_2_34) |
|---|
| 46 | |
|---|
| 47 | #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_2, GLIBC_2_34) |
|---|
| 48 | compat_symbol (libpthread, __pthread_spin_lock, pthread_spin_lock, GLIBC_2_2) |
|---|
| 49 | #endif |
|---|
| 50 | |
|---|
