blob: d24b179ef320c1ccc08a41c7e887b7e4a54bf370 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
//===-- sanitizer_redefine_builtins.h ---------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Redefine builtin functions to use internal versions. This is needed where
// compiler optimizations end up producing unwanted libcalls!
//
//===----------------------------------------------------------------------===//
#ifndef SANITIZER_COMMON_NO_REDEFINE_BUILTINS
# ifndef SANITIZER_REDEFINE_BUILTINS_H
# define SANITIZER_REDEFINE_BUILTINS_H
// The asm hack only works with GCC and Clang.
# if !defined(_WIN32)
asm("memcpy = __sanitizer_internal_memcpy");
asm("memmove = __sanitizer_internal_memmove");
asm("memset = __sanitizer_internal_memset");
# if defined(__cplusplus) && \
!defined(SANITIZER_COMMON_REDEFINE_BUILTINS_IN_STD)
// The builtins should not be redefined in source files that make use of C++
// standard libraries, in particular where C++STL headers with inline functions
// are used. The redefinition in such cases would lead to ODR violations.
//
// Try to break the build in common cases where builtins shouldn't be redefined.
namespace std {
class Define_SANITIZER_COMMON_NO_REDEFINE_BUILTINS_in_cpp_file {
Define_SANITIZER_COMMON_NO_REDEFINE_BUILTINS_in_cpp_file(
const Define_SANITIZER_COMMON_NO_REDEFINE_BUILTINS_in_cpp_file&) = delete;
Define_SANITIZER_COMMON_NO_REDEFINE_BUILTINS_in_cpp_file& operator=(
const Define_SANITIZER_COMMON_NO_REDEFINE_BUILTINS_in_cpp_file&) = delete;
};
using array = Define_SANITIZER_COMMON_NO_REDEFINE_BUILTINS_in_cpp_file;
using atomic = Define_SANITIZER_COMMON_NO_REDEFINE_BUILTINS_in_cpp_file;
using function = Define_SANITIZER_COMMON_NO_REDEFINE_BUILTINS_in_cpp_file;
using map = Define_SANITIZER_COMMON_NO_REDEFINE_BUILTINS_in_cpp_file;
using set = Define_SANITIZER_COMMON_NO_REDEFINE_BUILTINS_in_cpp_file;
using shared_ptr = Define_SANITIZER_COMMON_NO_REDEFINE_BUILTINS_in_cpp_file;
using string = Define_SANITIZER_COMMON_NO_REDEFINE_BUILTINS_in_cpp_file;
using unique_ptr = Define_SANITIZER_COMMON_NO_REDEFINE_BUILTINS_in_cpp_file;
using unordered_map = Define_SANITIZER_COMMON_NO_REDEFINE_BUILTINS_in_cpp_file;
using unordered_set = Define_SANITIZER_COMMON_NO_REDEFINE_BUILTINS_in_cpp_file;
using vector = Define_SANITIZER_COMMON_NO_REDEFINE_BUILTINS_in_cpp_file;
} // namespace std
# endif // __cpluplus
# endif // !_WIN32
# endif // SANITIZER_REDEFINE_BUILTINS_H
#endif // SANITIZER_COMMON_NO_REDEFINE_BUILTINS
|
