asan_interceptors.h revision 5cf832dc0a6566ae4bb8d48b1f41da623d2c2c1a 
1//===-- asan_interceptors.h -------------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file is a part of AddressSanitizer, an address sanity checker.
11//
12// ASan-private header for asan_interceptors.cc
13//===----------------------------------------------------------------------===//
14#ifndef ASAN_INTERCEPTORS_H
15#define ASAN_INTERCEPTORS_H
16
17#include "asan_internal.h"
18#include "interception/interception.h"
19
20DECLARE_REAL(int, memcmp, const void *a1, const void *a2, size_t size);
21DECLARE_REAL(void*, memcpy, void *to, const void *from, size_t size);
22DECLARE_REAL(void*, memset, void *block, int c, size_t size);
23DECLARE_REAL(char*, strchr, const char *str, int c);
24DECLARE_REAL(size_t, strlen, const char *s);
25DECLARE_REAL(char*, strncpy, char *to, const char *from, size_t size);
26DECLARE_REAL(size_t, strnlen, const char *s, size_t maxlen);
27struct sigaction;
28DECLARE_REAL(int, sigaction, int signum, const struct sigaction *act,
29                             struct sigaction *oldact);
30
31namespace __asan {
32
33// __asan::internal_X() is the implementation of X() for use in RTL.
34int64_t internal_atoll(const char *nptr);
35size_t internal_strlen(const char *s);
36size_t internal_strnlen(const char *s, size_t maxlen);
37char* internal_strchr(const char *s, int c);
38void* internal_memchr(const void* s, int c, size_t n);
39int internal_memcmp(const void* s1, const void* s2, size_t n);
40char *internal_strstr(const char *haystack, const char *needle);
41char *internal_strncat(char *dst, const char *src, size_t n);
42int internal_strcmp(const char *s1, const char *s2);
43char *internal_strncpy(char *dst, const char *src, size_t n);
44// Works only for base=10 and doesn't set errno.
45int64_t internal_simple_strtoll(const char *nptr, char **endptr, int base);
46
47void InitializeAsanInterceptors();
48
49#if defined(__APPLE__)
50void InitializeMacGCDInterceptors();
51void PatchCFStringCreateCopy();
52#endif  // __APPLE__
53
54}  // namespace __asan
55
56#endif  // ASAN_INTERCEPTORS_H
57