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		1682f0b760
		
	
	
	
	
		
			
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			49 lines
		
	
	
	
		
			1.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			49 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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| 
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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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| 
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| #ifndef _DYNAMIC_LOADER
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| extern "C" {
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| 
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| extern u32 __stack_chk_guard;
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| 
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| int main(int, char**, char**);
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| 
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| // Tell the compiler that this may be called from somewhere else.
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| int _start(int argc, char** argv, char** env);
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| 
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| int _start(int argc, char** argv, char** env)
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| {
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|     u32 original_stack_chk = __stack_chk_guard;
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|     arc4random_buf(&__stack_chk_guard, sizeof(__stack_chk_guard));
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| 
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|     if (__stack_chk_guard == 0)
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|         __stack_chk_guard = original_stack_chk;
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| 
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|     environ = env;
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|     __environ_is_malloced = false;
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| 
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|     _init();
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| 
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|     int status = main(argc, argv, environ);
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| 
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|     exit(status);
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| 
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|     // We should never get here, but if we ever do, make sure to
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|     // restore the stack guard to the value we entered _start with.
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|     // Then we won't trigger the stack canary check on the way out.
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|     __stack_chk_guard = original_stack_chk;
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| 
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|     return 20150614;
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| }
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| }
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| #endif
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