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 31struct __cxa_range_t { const void* addr; size_t length; }; 32 33#if __cplusplus 34namespace dyld { 35#endif 36 // 37 // This file contains the synchronization utilities used by dyld to be thread safe. 38 // This struct is implemented in in libSystem (where pthreads is available) 39 // and passed to dyld to use. 40 // 41 struct LibSystemHelpers 42 { 43 uintptr_t version; 44 void (*acquireGlobalDyldLock)(); 45 void (*releaseGlobalDyldLock)(); 46 char* (*getThreadBufferFor_dlerror)(size_t sizeRequired); 47 // addded in version 2 48 void* (*malloc)(size_t); 49 void (*free)(void*); 50 int (*cxa_atexit)(void (*)(void*), void*, void*); 51 // addded in version 3 52 void (*dyld_shared_cache_missing)(); 53 void (*dyld_shared_cache_out_of_date)(); 54 // addded in version 4 55 void (*acquireDyldInitializerLock)(); 56 void (*releaseDyldInitializerLock)(); 57 // added in version 5 58 int (*pthread_key_create)(pthread_key_t*, void (*destructor)(void*)); 59 int (*pthread_setspecific)(pthread_key_t, const void*); 60 // added in version 6 61 size_t (*malloc_size)(const void *ptr); 62 // added in version 7 63 void* (*pthread_getspecific)(pthread_key_t); 64 // added in version 8 65 void (*cxa_finalize)(const void*); 66 // added in version 9 67 void* startGlueToCallExit; 68 // added in version 10 69 bool (*hasPerThreadBufferFor_dlerror)(); 70 // added in version 11 71 bool (*isLaunchdOwned)(); 72 // added in version 12 73 kern_return_t (*vm_alloc)(vm_map_t task, vm_address_t* addr, vm_size_t size, int flags); 74 void* (*mmap)(void* addr, size_t len, int prot, int flags, int fd, off_t offset); 75 // added in version 13 76 void (*cxa_finalize_ranges)(const struct __cxa_range_t ranges[], int count); 77 }; 78#if __cplusplus 79} 80#endif 81 82 83 84 85#endif // __DYLDLIBSYSTEMHELPERS__ 86 87