ladybird/Userland/Libraries/LibC/crt0.cpp
Keegan Saunders 89b23c473a LibC: Use uintptr_t for __stack_chk_guard
We used size_t, which is a type that is guarenteed to be large
enough to hold an array index, but uintptr_t is designed to be used
to hold pointer values, which is the case of stack guards.
2022-11-29 11:04:21 +01:00

55 lines
1 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Types.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/internals.h>
#include <unistd.h>
#ifndef _DYNAMIC_LOADER
extern "C" {
extern uintptr_t __stack_chk_guard;
extern bool s_global_initializers_ran;
int main(int, char**, char**);
// Tell the compiler that this may be called from somewhere else.
int _entry(int argc, char** argv, char** env) __attribute__((used));
void _start(int, char**, char**) __attribute__((used));
NAKED void _start(int, char**, char**)
{
# ifdef AK_ARCH_AARCH64
asm(
"bl _entry\n");
# else
asm(
"push $0\n"
"jmp _entry@plt\n");
# endif
}
int _entry(int argc, char** argv, char** env)
{
environ = env;
__environ_is_malloced = false;
__begin_atexit_locking();
s_global_initializers_ran = true;
_init();
int status = main(argc, argv, environ);
exit(status);
return 20150614;
}
}
#endif