| Serban Constantinescu | e210488 | 2013-09-26 11:37:10 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 The Android Open Source Project |
| Elliott Hughes | 54a7494 | 2014-01-03 16:40:37 -0800 | [diff] [blame] | 3 | * All rights reserved. |
| Serban Constantinescu | e210488 | 2013-09-26 11:37:10 +0100 | [diff] [blame] | 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * * Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * * Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in |
| 12 | * the documentation and/or other materials provided with the |
| 13 | * distribution. |
| 14 | * |
| 15 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 16 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 17 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 18 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 19 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 21 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| 22 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| 23 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 24 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 25 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 26 | * SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| Elliott Hughes | da97755 | 2013-12-19 11:32:42 -0800 | [diff] [blame] | 29 | #include <private/bionic_asm.h> |
| Serban Constantinescu | e210488 | 2013-09-26 11:37:10 +0100 | [diff] [blame] | 30 | |
| Elliott Hughes | 5eccb96 | 2013-12-20 16:58:06 -0800 | [diff] [blame] | 31 | // int __futex_syscall4(volatile void* ftx, int op, int val, const struct timespec* timeout) |
| Elliott Hughes | d5ed63a | 2014-05-21 18:27:40 -0700 | [diff] [blame] | 32 | ENTRY_PRIVATE(__futex_syscall4) |
| Elliott Hughes | 5eccb96 | 2013-12-20 16:58:06 -0800 | [diff] [blame] | 33 | stp x29, x30, [sp, #-16]! |
| Christopher Ferris | df22a12 | 2014-05-21 16:00:13 -0700 | [diff] [blame] | 34 | .cfi_def_cfa_offset 16 |
| 35 | .cfi_rel_offset x29, 0 |
| 36 | .cfi_rel_offset x30, 8 |
| Elliott Hughes | 5eccb96 | 2013-12-20 16:58:06 -0800 | [diff] [blame] | 37 | mov x29, sp |
| Serban Constantinescu | e210488 | 2013-09-26 11:37:10 +0100 | [diff] [blame] | 38 | |
| Elliott Hughes | 5eccb96 | 2013-12-20 16:58:06 -0800 | [diff] [blame] | 39 | mov x8, __NR_futex |
| 40 | svc #0 |
| Serban Constantinescu | e210488 | 2013-09-26 11:37:10 +0100 | [diff] [blame] | 41 | |
| Elliott Hughes | 5eccb96 | 2013-12-20 16:58:06 -0800 | [diff] [blame] | 42 | ldp x29, x30, [sp], #16 |
| Christopher Ferris | df22a12 | 2014-05-21 16:00:13 -0700 | [diff] [blame] | 43 | .cfi_def_cfa_offset 0 |
| 44 | .cfi_restore x29 |
| 45 | .cfi_restore x30 |
| Elliott Hughes | 5eccb96 | 2013-12-20 16:58:06 -0800 | [diff] [blame] | 46 | ret |
| Serban Constantinescu | e210488 | 2013-09-26 11:37:10 +0100 | [diff] [blame] | 47 | END(__futex_syscall4) |