/* * Copyright (C) 2012 The Android Open Source Project * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ typedef struct { void (**preinit_array)(void); void (**init_array)(void); void (**fini_array)(void); void (**ctor_list)(void); } structors_array_t; extern int main(int argc, char **argv, char **env); extern void __libc_init( unsigned int *elfdata, void (*onexit)(void), int (*slingshot)(int, char**, char**), structors_array_t const * const structors ); __attribute__ ((section (".preinit_array"))) void (*__PREINIT_ARRAY__)(void) = (void (*)(void)) -1; __attribute__ ((section (".init_array"))) void (*__INIT_ARRAY__)(void) = (void (*)(void)) -1; __attribute__ ((section (".fini_array"))) void (*__FINI_ARRAY__)(void) = (void (*)(void)) -1; __attribute__ ((section (".ctors"))) void (*__CTOR_LIST__)(void) = (void (*)(void)) -1; /* this is the small startup code that is first run when any executable that is statically-linked with Bionic runs. it's purpose is to call __libc_init with appropriate arguments, which are: - the address of the raw data block setup by the Linux kernel ELF loader - address of an "onexit" function, not used on any platform supported by Bionic - address of the "main" function of the program. - address of the constructor list */ __attribute__((visibility("hidden"))) void _start() { structors_array_t array; void *elfdata; array.preinit_array = &__PREINIT_ARRAY__; array.init_array = &__INIT_ARRAY__; array.fini_array = &__FINI_ARRAY__; array.ctor_list = &__CTOR_LIST__; elfdata = __builtin_frame_address(0) + sizeof(void *); __libc_init(elfdata, (void *) 0, &main, &array); } #include "__dso_handle.h" /* NOTE: atexit() is not be provided by crtbegin_static.c, but by libc.a */