libc/src/compiler/generic/__stack_chk_fail.cpp

   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"