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fb11645a9b
This ensures that we stop walking the stack at `_entry` and don't crash/panic when computing backtraces.
57 lines
1.1 KiB
C++
57 lines
1.1 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Types.h>
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/internals.h>
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#include <unistd.h>
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#ifndef _DYNAMIC_LOADER
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extern "C" {
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extern uintptr_t __stack_chk_guard;
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extern bool s_global_initializers_ran;
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int main(int, char**, char**);
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// Tell the compiler that this may be called from somewhere else.
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int _entry(int argc, char** argv, char** env) __attribute__((used));
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void _start(int, char**, char**) __attribute__((used));
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NAKED void _start(int, char**, char**)
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{
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# if ARCH(AARCH64)
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asm(
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"mov x29, 0\n"
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"mov x30, 0\n"
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"bl _entry\n");
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# else
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asm(
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"push $0\n"
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"jmp _entry@plt\n");
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# endif
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}
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int _entry(int argc, char** argv, char** env)
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{
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environ = env;
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__environ_is_malloced = false;
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__begin_atexit_locking();
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s_global_initializers_ran = true;
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_init();
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int status = main(argc, argv, environ);
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exit(status);
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return 20150614;
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}
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}
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#endif
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