1 /* 2 * Copyright (C) 2008 The Android Open Source Project 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 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #pragma once 30 31 #include <stdint.h> 32 #include <sys/cdefs.h> 33 34 typedef void init_func_t(int, char*[], char*[]); 35 typedef void fini_func_t(void); 36 37 typedef struct { 38 init_func_t** preinit_array; 39 init_func_t** init_array; 40 fini_func_t** fini_array; 41 // Below fields are only available in static executables. 42 size_t preinit_array_count; 43 size_t init_array_count; 44 size_t fini_array_count; 45 } structors_array_t; 46 47 __BEGIN_DECLS 48 49 extern int main(int argc, char** argv, char** env); 50 51 __noreturn void __libc_init(void* raw_args, 52 void (*onexit)(void), 53 int (*slingshot)(int, char**, char**), 54 structors_array_t const* const structors); 55 __LIBC_HIDDEN__ void __libc_fini(void* finit_array); 56 57 __END_DECLS 58 59 #if defined(__cplusplus) 60 61 __LIBC_HIDDEN__ void __libc_init_globals(); 62 63 __LIBC_HIDDEN__ void __libc_init_common(); 64 65 __LIBC_HIDDEN__ void __libc_init_scudo(); 66 67 __LIBC_HIDDEN__ void __libc_init_mte_late(); 68 69 __LIBC_HIDDEN__ void __libc_init_AT_SECURE(char** envp); 70 71 // The fork handler must be initialised after __libc_init_malloc, as 72 // pthread_atfork may call malloc() during its once-init. 73 __LIBC_HIDDEN__ void __libc_init_fork_handler(); 74 75 __LIBC_HIDDEN__ void __libc_set_target_sdk_version(int target); 76 77 #endif 78