1/* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*- 2 * 3 * Copyright (c) 2004-2009 Apple Inc. All rights reserved. 4 * 5 * @APPLE_LICENSE_HEADER_START@ 6 * 7 * This file contains Original Code and/or Modifications of Original Code 8 * as defined in and that are subject to the Apple Public Source License 9 * Version 2.0 (the 'License'). You may not use this file except in 10 * compliance with the License. Please obtain a copy of the License at 11 * http://www.opensource.apple.com/apsl/ and read it before using this 12 * file. 13 * 14 * The Original Code and all software distributed under the License are 15 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 16 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 17 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 19 * Please see the License for the specific language governing rights and 20 * limitations under the License. 21 * 22 * @APPLE_LICENSE_HEADER_END@ 23 */ 24 25 26#ifndef __DYLDLIBSYSTEMHELPERS__ 27#define __DYLDLIBSYSTEMHELPERS__ 28 29#include <stdint.h> 30 31#if __cplusplus 32namespace dyld { 33#endif 34 // 35 // This file contains the synchronization utilities used by dyld to be thread safe. 36 // This struct is implemented in in libSystem (where pthreads is available) 37 // and passed to dyld to use. 38 // 39 struct LibSystemHelpers 40 { 41 uintptr_t version; 42 void (*acquireGlobalDyldLock)(); 43 void (*releaseGlobalDyldLock)(); 44 char* (*getThreadBufferFor_dlerror)(uint32_t sizeRequired); 45 // addded in version 2 46 void* (*malloc)(size_t); 47 void (*free)(void*); 48 int (*cxa_atexit)(void (*)(void*), void*, void*); 49 // addded in version 3 50 void (*dyld_shared_cache_missing)(); 51 void (*dyld_shared_cache_out_of_date)(); 52 // addded in version 4 53 void (*acquireDyldInitializerLock)(); 54 void (*releaseDyldInitializerLock)(); 55 // added in version 5 56 int (*pthread_key_create)(pthread_key_t*, void (*destructor)(void*)); 57 int (*pthread_setspecific)(pthread_key_t, const void*); 58 // added in version 6 59 size_t (*malloc_size)(const void *ptr); 60 // added in version 7 61 void* (*pthread_getspecific)(pthread_key_t); 62 // added in version 8 63 void (*cxa_finalize)(const void*); 64 // added in version 9 65 void* startGlueToCallExit; 66 // added in version 10 67 bool (*hasPerThreadBufferFor_dlerror)(); 68 // added in version 11 69 bool (*isLaunchdOwned)(); 70 // added in version 12 71 kern_return_t (*vm_alloc)(vm_map_t task, vm_address_t* addr, vm_size_t size, int flags); 72 void* (*mmap)(void* addr, size_t len, int prot, int flags, int fd, off_t offset); 73 }; 74#if __cplusplus 75} 76#endif 77 78 79 80 81#endif // __DYLDLIBSYSTEMHELPERS__ 82 83