crtbegin.c revision 42b2c6a5eed5e4ef35315b8cd32d1355f12a69b6 
1/*
2 * Copyright (C) 2012 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#include "../../bionic/libc_init_common.h"
30#include <stddef.h>
31
32__attribute__ ((section (".preinit_array")))
33void (*__PREINIT_ARRAY__)(void) = (void (*)(void)) -1;
34
35__attribute__ ((section (".init_array")))
36void (*__INIT_ARRAY__)(void) = (void (*)(void)) -1;
37
38__attribute__ ((section (".fini_array")))
39void (*__FINI_ARRAY__)(void) = (void (*)(void)) -1;
40
41__LIBC_HIDDEN__ void _start() {
42  structors_array_t array;
43  array.preinit_array = &__PREINIT_ARRAY__;
44  array.init_array = &__INIT_ARRAY__;
45  array.fini_array = &__FINI_ARRAY__;
46
47  void* raw_args = __builtin_frame_address(0) + sizeof(void*);
48  __libc_init(raw_args, NULL, &main, &array);
49}
50
51#include "__dso_handle.h"
52#include "atexit.h"
53