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 #include <stdint.h>
32
33 __attribute__ ((section (".preinit_array")))
34 void (*__PREINIT_ARRAY__)(void) = (void (*)(void)) -1;
35
36 __attribute__ ((section (".init_array")))
37 void (*__INIT_ARRAY__)(void) = (void (*)(void)) -1;
38
39 __attribute__ ((section (".fini_array")))
40 void (*__FINI_ARRAY__)(void) = (void (*)(void)) -1;
41
42 __LIBC_HIDDEN__
43 #ifdef __i386__
44 __attribute__((force_align_arg_pointer))
45 #endif
_start()46 void _start() {
47 structors_array_t array;
48 array.preinit_array = &__PREINIT_ARRAY__;
49 array.init_array = &__INIT_ARRAY__;
50 array.fini_array = &__FINI_ARRAY__;
51
52 void* raw_args = (void*) ((uintptr_t) __builtin_frame_address(0) + sizeof(void*));
53 #ifdef __x86_64__
54 // 16-byte stack alignment is required by x86_64 ABI
55 asm("andq $~15, %rsp");
56 #endif
57 __libc_init(raw_args, NULL, &main, &array);
58 }
59
60 #include "__dso_handle.h"
61 #include "atexit.h"
62 #include "pthread_atfork.h"
63 #ifdef __i386__
64 # include "../../arch-x86/bionic/__stack_chk_fail_local.h"
65 #endif
66