jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#include <AK/Types.h>
8#include <assert.h>
9#include <stdio.h>
10#include <stdlib.h>
11#include <sys/internals.h>
12#include <unistd.h>
13
14#ifndef _DYNAMIC_LOADER
15extern "C" {
16
17extern uintptr_t __stack_chk_guard;
18extern bool s_global_initializers_ran;
19
20int main(int, char**, char**);
21
22// Tell the compiler that this may be called from somewhere else.
23int _entry(int argc, char** argv, char** env) __attribute__((used));
24void _start(int, char**, char**) __attribute__((used));
25
26NAKED void _start(int, char**, char**)
27{
28# ifdef AK_ARCH_AARCH64
29 asm(
30 "bl _entry\n");
31# else
32 asm(
33 "push $0\n"
34 "jmp _entry@plt\n");
35# endif
36}
37
38int _entry(int argc, char** argv, char** env)
39{
40 environ = env;
41 __environ_is_malloced = false;
42 __begin_atexit_locking();
43
44 s_global_initializers_ran = true;
45
46 _init();
47
48 int status = main(argc, argv, environ);
49
50 exit(status);
51
52 return 20150614;
53}
54}
55#endif