xref: /llvm-project/libc/src/compiler/generic/__stack_chk_fail.cpp (revision 1d0f40ba05b76ff028c69054899f88f1c7452b4b)
1 //===-- Implementation of __stack_chk_fail --------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "src/compiler/__stack_chk_fail.h"
10 #include "src/__support/OSUtil/io.h"
11 #include "src/stdlib/abort.h"
12 #include <stdint.h> // For uintptr_t
13 
14 extern "C" {
15 
16 uintptr_t __stack_chk_guard = static_cast<uintptr_t>(0xa9fff01234);
17 
18 void __stack_chk_fail(void) {
19   LIBC_NAMESPACE::write_to_stderr("stack smashing detected\n");
20   LIBC_NAMESPACE::abort();
21 }
22 
23 } // extern "C"
24