mirror of
https://github.com/RGBCube/serenity
synced 2025-05-31 06:58:11 +00:00
842716a0b5
Use simple stack cookies to try to provoke an assertion failure on stack overflow. This is far from perfect, since we use a constant cookie instead of generating a random one on startup, but it can still help us catch bugs, which is the primary concern right now. :^)
63 lines
1.1 KiB
C++
63 lines
1.1 KiB
C++
#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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extern "C" {
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int main(int, char**, char**);
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__thread int errno;
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char** environ;
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bool __environ_is_malloced;
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void __libc_init()
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{
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void __malloc_init();
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__malloc_init();
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void __stdio_init();
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__stdio_init();
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}
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int _start(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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__libc_init();
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extern void _init();
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_init();
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extern void (*__init_array_start[])(int, char**, char**) __attribute__((visibility("hidden")));
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extern void (*__init_array_end[])(int, char**, char**) __attribute__((visibility("hidden")));
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const size_t size = __init_array_end - __init_array_start;
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for (size_t i = 0; i < size; i++)
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(*__init_array_start[i])(argc, argv, env);
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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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[[noreturn]] void __cxa_pure_virtual()
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{
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ASSERT_NOT_REACHED();
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}
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void __cxa_atexit()
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{
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}
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extern u32 __stack_chk_guard;
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u32 __stack_chk_guard = (u32)0xc0000c13;
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[[noreturn]] void __stack_chk_fail()
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{
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ASSERT_NOT_REACHED();
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}
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}
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