tools/nc_threads/nacl_mutex.S

   1 /*
   2  * Copyright 2008, Google Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met:
   8  *
   9  *     * Redistributions of source code must retain the above copyright
  10  * notice, this list of conditions and the following disclaimer.
  11  *     * Redistributions in binary form must reproduce the above
  12  * copyright notice, this list of conditions and the following disclaimer
  13  * in the documentation and/or other materials provided with the
  14  * distribution.
  15  *     * Neither the name of Google Inc. nor the names of its
  16  * contributors may be used to endorse or promote products derived from
  17  * this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32
  33 /*
  34  * NaCl service library.
  35  */
  36
  37 #include "../../service_runtime/include/bits/nacl_syscalls.h"
  38 #include "../../service_runtime/nacl_config.h"
  39
  40         .text
  41         .globl __nacl_create_mutex
  42         .globl __nacl_lock_mutex
  43         .globl __nacl_unlock_mutex
  44         .globl __nacl_try_lock_mutex
  45
  46         .globl __nacl_create_condvar
  47         .globl __nacl_signal_condvar
  48         .globl __nacl_wait_condvar
  49         .globl __nacl_broadcast_condvar
  50         .globl __nacl_relative_timed_wait_condvar
  51         .globl __nacl_absolute_timed_wait_condvar
  52
  53         .globl __nacl_create_thread
  54         .globl __nacl_exit_thread
  55
  56         .globl __nacl_create_sem
  57         .globl __nacl_post_sem
  58         .globl __nacl_wait_sem
  59
  60
  61         .p2align        NACLENTRYALIGN
  62 __nacl_create_mutex:
  63 .CREATE_MUTEX_SYSCALL_ADDRESS = NACL_SYSCALL_ADDR(NACL_sys_mutex_create)
  64         jmp .CREATE_MUTEX_SYSCALL_ADDRESS
  65
  66         .p2align        NACLENTRYALIGN
  67 __nacl_lock_mutex:
  68 .LOCK_MUTEX_SYSCALL_ADDRESS = NACL_SYSCALL_ADDR(NACL_sys_mutex_lock)
  69         jmp .LOCK_MUTEX_SYSCALL_ADDRESS
  70
  71         .p2align        NACLENTRYALIGN
  72 __nacl_unlock_mutex:
  73 .UNLOCK_MUTEX_SYSCALL_ADDRESS = NACL_SYSCALL_ADDR(NACL_sys_mutex_unlock)
  74         jmp .UNLOCK_MUTEX_SYSCALL_ADDRESS
  75
  76         .p2align        NACLENTRYALIGN
  77 __nacl_try_lock_mutex:
  78 .TRYLOCK_MUTEX_SYSCALL_ADDRESS = NACL_SYSCALL_ADDR(NACL_sys_mutex_trylock)
  79         jmp .TRYLOCK_MUTEX_SYSCALL_ADDRESS
  80
  81     .p2align    NACLENTRYALIGN
  82 __nacl_create_condvar:
  83 .CREATE_COND_SYSCALL_ADDRESS = NACL_SYSCALL_ADDR(NACL_sys_cond_create)
  84         jmp .CREATE_COND_SYSCALL_ADDRESS
  85
  86         .p2align        NACLENTRYALIGN
  87 __nacl_signal_condvar:
  88 .SIGNAL_COND_SYSCALL_ADDRESS = NACL_SYSCALL_ADDR(NACL_sys_cond_signal)
  89         jmp .SIGNAL_COND_SYSCALL_ADDRESS
  90
  91         .p2align        NACLENTRYALIGN
  92 __nacl_wait_condvar:
  93 .WAIT_COND_SYSCALL_ADDRESS = NACL_SYSCALL_ADDR(NACL_sys_cond_wait)
  94         jmp .WAIT_COND_SYSCALL_ADDRESS
  95
  96         .p2align        NACLENTRYALIGN
  97 __nacl_broadcast_condvar:
  98 .BROADCAST_COND_SYSCALL_ADDRESS = NACL_SYSCALL_ADDR(NACL_sys_cond_broadcast)
  99         jmp .BROADCAST_COND_SYSCALL_ADDRESS
 100
 101         .p2align        NACLENTRYALIGN
 102 __nacl_absolute_timed_wait_condvar:
 103 .ABS_TIMED_WAIT_COND_SYSCALL_ADDRESS = NACL_SYSCALL_ADDR(NACL_sys_cond_timed_wait_abs)
 104         jmp .ABS_TIMED_WAIT_COND_SYSCALL_ADDRESS
 105
 106         .p2align        NACLENTRYALIGN
 107 __nacl_create_thread:
 108 .CREATE_THREAD_SYSCALL_ADDRESS = NACL_SYSCALL_ADDR(NACL_sys_thread_create)
 109         jmp .CREATE_THREAD_SYSCALL_ADDRESS
 110
 111         .p2align        NACLENTRYALIGN
 112 __nacl_exit_thread:
 113 .EXIT_THREAD_SYSCALL_ADDRESS = NACL_SYSCALL_ADDR(NACL_sys_thread_exit)
 114         jmp .EXIT_THREAD_SYSCALL_ADDRESS
 115
 116     .p2align    NACLENTRYALIGN
 117 __nacl_create_sem:
 118 .CREATE_SEM_SYSCALL_ADDRESS = NACL_SYSCALL_ADDR(NACL_sys_sem_create)
 119         jmp .CREATE_SEM_SYSCALL_ADDRESS
 120
 121         .p2align        NACLENTRYALIGN
 122 __nacl_post_sem:
 123 .POST_SEM_SYSCALL_ADDRESS = NACL_SYSCALL_ADDR(NACL_sys_sem_post)
 124         jmp .POST_SEM_SYSCALL_ADDRESS
 125
 126     .p2align    NACLENTRYALIGN
 127 __nacl_wait_sem:
 128 .WAIT_SEM_SYSCALL_ADDRESS = NACL_SYSCALL_ADDR(NACL_sys_sem_wait)
 129         jmp .WAIT_SEM_SYSCALL_ADDRESS
 130