1/* 2 * Copyright (c) 2007 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28#ifdef __DYNAMIC__ 29struct ProgramVars; /* forward reference */ 30 31extern void pthread_init(void); // from libc.a 32extern void __libc_init(const struct ProgramVars* vars); // from libc.a 33extern void __keymgr_initializer(void); // from libkeymgr.a 34extern void _dyld_initializer(void); // from libdyld.a 35 36/* 37 * libsyscall_initializer() initializes all of libSystem.dylib <rdar://problem/4892197> 38 */ 39static __attribute__((constructor)) 40void libSystem_initializer(int argc, const char* argv[], const char* envp[], const char* apple[], const struct ProgramVars* vars) 41{ 42 mach_init(); 43 pthread_init(); 44 __libc_init(vars); 45 __keymgr_initializer(); 46 _dyld_initializer(); 47} 48 49/* 50 * Old crt1.o glue used to call through mach_init_routine which was used to initialize libSystem. 51 * LibSystem now auto-initializes but mach_init_routine is left for binary compatibility. 52 */ 53static void mach_init_old() {} 54void (*mach_init_routine)(void) = &mach_init_old; 55 56#endif /* __DYNAMIC__ */ 57