src/os/resolver.c

   1 /*
   2  * Copyright (c) 2013 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_APACHE_LICENSE_HEADER_START@
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  * @APPLE_APACHE_LICENSE_HEADER_END@
  19  */
  20
  21 #include "lock_internal.h"
  22
  23 #ifdef OS_VARIANT_SELECTOR
  24
  25 #if TARGET_OS_EMBEDDED
  26 OS_VARIANT_UPMP_RESOLVER(OSAtomicAdd32Barrier)
  27 OS_VARIANT_UPMP_RESOLVER(OSAtomicIncrement32Barrier)
  28 OS_VARIANT_UPMP_RESOLVER(OSAtomicDecrement32Barrier)
  29 OS_VARIANT_UPMP_RESOLVER(OSAtomicAdd64Barrier)
  30 OS_VARIANT_UPMP_RESOLVER(OSAtomicIncrement64Barrier)
  31 OS_VARIANT_UPMP_RESOLVER(OSAtomicDecrement64Barrier)
  32 OS_VARIANT_UPMP_RESOLVER(OSAtomicAnd32Barrier)
  33 OS_VARIANT_UPMP_RESOLVER(OSAtomicAnd32OrigBarrier)
  34 OS_VARIANT_UPMP_RESOLVER(OSAtomicOr32Barrier)
  35 OS_VARIANT_UPMP_RESOLVER(OSAtomicOr32OrigBarrier)
  36 OS_VARIANT_UPMP_RESOLVER(OSAtomicXor32Barrier)
  37 OS_VARIANT_UPMP_RESOLVER(OSAtomicXor32OrigBarrier)
  38 OS_VARIANT_UPMP_RESOLVER(OSAtomicCompareAndSwap32Barrier)
  39 OS_VARIANT_UPMP_RESOLVER(OSAtomicCompareAndSwap64Barrier)
  40 OS_VARIANT_UPMP_RESOLVER(OSAtomicCompareAndSwapIntBarrier)
  41 OS_VARIANT_UPMP_RESOLVER(OSAtomicCompareAndSwapLongBarrier)
  42 OS_VARIANT_UPMP_RESOLVER(OSAtomicCompareAndSwapPtrBarrier)
  43 OS_VARIANT_UPMP_RESOLVER(OSAtomicTestAndSetBarrier)
  44 OS_VARIANT_UPMP_RESOLVER(OSAtomicTestAndClearBarrier)
  45 OS_VARIANT_UPMP_RESOLVER(OSAtomicEnqueue)
  46 OS_VARIANT_UPMP_RESOLVER(OSAtomicDequeue)
  47 OS_VARIANT_UPMP_RESOLVER(OSMemoryBarrier)
  48
  49 OS_VARIANT_UPMP_RESOLVER(OSSpinLockLock)
  50 OS_VARIANT_UPMP_RESOLVER(OSSpinLockTry)
  51 OS_VARIANT_UPMP_RESOLVER(OSSpinLockUnlock)
  52 OS_VARIANT_UPMP_RESOLVER(spin_lock)
  53 OS_VARIANT_UPMP_RESOLVER(spin_lock_try)
  54 OS_VARIANT_UPMP_RESOLVER(spin_unlock)
  55 OS_VARIANT_UPMP_RESOLVER(_spin_lock)
  56 OS_VARIANT_UPMP_RESOLVER(_spin_lock_try)
  57 OS_VARIANT_UPMP_RESOLVER(_spin_unlock)
  58
  59 OS_VARIANT_UPMP_RESOLVER(os_unfair_lock_lock)
  60 OS_VARIANT_UPMP_RESOLVER(os_unfair_lock_lock_with_options)
  61 OS_VARIANT_UPMP_RESOLVER(os_unfair_lock_trylock)
  62 OS_VARIANT_UPMP_RESOLVER(os_unfair_lock_unlock)
  63 OS_VARIANT_UPMP_RESOLVER(os_unfair_lock_lock_no_tsd_4libpthread)
  64 OS_VARIANT_UPMP_RESOLVER(os_unfair_lock_unlock_no_tsd_4libpthread)
  65 OS_VARIANT_UPMP_RESOLVER(os_unfair_lock_lock_with_options_4Libc)
  66 OS_VARIANT_UPMP_RESOLVER(os_unfair_lock_unlock_4Libc)
  67 OS_VARIANT_UPMP_RESOLVER(_os_nospin_lock_lock)
  68 OS_VARIANT_UPMP_RESOLVER(_os_nospin_lock_trylock)
  69 OS_VARIANT_UPMP_RESOLVER(_os_nospin_lock_unlock)
  70
  71 OS_VARIANT_UPMP_RESOLVER_INTERNAL(_os_lock_spin_lock)
  72 OS_VARIANT_UPMP_RESOLVER_INTERNAL(_os_lock_spin_trylock)
  73 OS_VARIANT_UPMP_RESOLVER_INTERNAL(_os_lock_spin_unlock)
  74 OS_VARIANT_UPMP_RESOLVER_INTERNAL(_os_lock_handoff_lock)
  75 OS_VARIANT_UPMP_RESOLVER_INTERNAL(_os_lock_handoff_trylock)
  76 OS_VARIANT_UPMP_RESOLVER_INTERNAL(_os_lock_handoff_unlock)
  77 OS_VARIANT_UPMP_RESOLVER_INTERNAL(_os_lock_unfair_lock)
  78 OS_VARIANT_UPMP_RESOLVER_INTERNAL(_os_lock_unfair_trylock)
  79 OS_VARIANT_UPMP_RESOLVER_INTERNAL(_os_lock_unfair_unlock)
  80 OS_VARIANT_UPMP_RESOLVER_INTERNAL(_os_lock_nospin_lock)
  81 OS_VARIANT_UPMP_RESOLVER_INTERNAL(_os_lock_nospin_trylock)
  82 OS_VARIANT_UPMP_RESOLVER_INTERNAL(_os_lock_nospin_unlock)
  83
  84 OS_VARIANT_UPMP_RESOLVER(_os_once)
  85 OS_VARIANT_UPMP_RESOLVER(__os_once_reset)
  86 #endif // TARGET_OS_EMBEDDED
  87
  88 #endif // OS_VARIANT_SELECTOR
  89
  90 #ifdef OS_LOCK_VARIANT_SELECTOR
  91
  92 #define WFE_RESOLVER(s) \
  93         _OS_VARIANT_RESOLVER(s, hidden, \
  94                 uint32_t *_c = (void*)(uintptr_t)_COMM_PAGE_CPU_CAPABILITIES; \
  95                 if (*_c & kHasEvent) { \
  96                         extern void OS_VARIANT(s, wfe)(void); \
  97                         return &OS_VARIANT(s, wfe); \
  98                 } else { \
  99                         extern void OS_VARIANT(s, mp)(void); \
 100                         return &OS_VARIANT(s, mp); \
 101                 })
 102
 103 WFE_RESOLVER(_OSSpinLockLockSlow)
 104
 105 #endif // OS_LOCK_VARIANT_SELECTOR
 106