1 //===-- asan_intercepted_functions.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 containing prototypes for wrapper functions and wrappers 13 //===----------------------------------------------------------------------===// 14 #ifndef ASAN_INTERCEPTED_FUNCTIONS_H 15 #define ASAN_INTERCEPTED_FUNCTIONS_H 16 17 #include "asan_internal.h" 18 #include "interception/interception.h" 19 #include "sanitizer_common/sanitizer_platform_interceptors.h" 20 21 #include <stdarg.h> 22 #include <stddef.h> 23 24 using __sanitizer::uptr; 25 26 // Use macro to describe if specific function should be 27 // intercepted on a given platform. 28 #if !SANITIZER_WINDOWS 29 # define ASAN_INTERCEPT_ATOLL_AND_STRTOLL 1 30 # define ASAN_INTERCEPT__LONGJMP 1 31 # define ASAN_INTERCEPT_STRDUP 1 32 # define ASAN_INTERCEPT_INDEX 1 33 # define ASAN_INTERCEPT_PTHREAD_CREATE 1 34 # define ASAN_INTERCEPT_MLOCKX 1 35 #else 36 # define ASAN_INTERCEPT_ATOLL_AND_STRTOLL 0 37 # define ASAN_INTERCEPT__LONGJMP 0 38 # define ASAN_INTERCEPT_STRDUP 0 39 # define ASAN_INTERCEPT_INDEX 0 40 # define ASAN_INTERCEPT_PTHREAD_CREATE 0 41 # define ASAN_INTERCEPT_MLOCKX 0 42 #endif 43 44 #if SANITIZER_LINUX 45 # define ASAN_USE_ALIAS_ATTRIBUTE_FOR_INDEX 1 46 #else 47 # define ASAN_USE_ALIAS_ATTRIBUTE_FOR_INDEX 0 48 #endif 49 50 #if !SANITIZER_MAC 51 # define ASAN_INTERCEPT_STRNLEN 1 52 #else 53 # define ASAN_INTERCEPT_STRNLEN 0 54 #endif 55 56 #if SANITIZER_LINUX && !SANITIZER_ANDROID 57 # define ASAN_INTERCEPT_SWAPCONTEXT 1 58 #else 59 # define ASAN_INTERCEPT_SWAPCONTEXT 0 60 #endif 61 62 #if !SANITIZER_ANDROID && !SANITIZER_WINDOWS 63 # define ASAN_INTERCEPT_SIGNAL_AND_SIGACTION 1 64 #else 65 # define ASAN_INTERCEPT_SIGNAL_AND_SIGACTION 0 66 #endif 67 68 #if !SANITIZER_WINDOWS 69 # define ASAN_INTERCEPT_SIGLONGJMP 1 70 #else 71 # define ASAN_INTERCEPT_SIGLONGJMP 0 72 #endif 73 74 #if ASAN_HAS_EXCEPTIONS && !SANITIZER_WINDOWS 75 # define ASAN_INTERCEPT___CXA_THROW 1 76 #else 77 # define ASAN_INTERCEPT___CXA_THROW 0 78 #endif 79 80 #if !SANITIZER_WINDOWS 81 # define ASAN_INTERCEPT___CXA_ATEXIT 1 82 #else 83 # define ASAN_INTERCEPT___CXA_ATEXIT 0 84 #endif 85 86 # if SANITIZER_WINDOWS 87 extern "C" { 88 // Windows threads. 89 __declspec(dllimport) 90 void* __stdcall CreateThread(void *sec, uptr st, void* start, 91 void *arg, DWORD fl, DWORD *id); 92 93 int memcmp(const void *a1, const void *a2, uptr size); 94 void memmove(void *to, const void *from, uptr size); 95 void* memset(void *block, int c, uptr size); 96 void* memcpy(void *to, const void *from, uptr size); 97 char* strcat(char *to, const char* from); // NOLINT 98 char* strchr(const char *str, int c); 99 int strcmp(const char *s1, const char* s2); 100 char* strcpy(char *to, const char* from); // NOLINT 101 uptr strlen(const char *s); 102 char* strncat(char *to, const char* from, uptr size); 103 int strncmp(const char *s1, const char* s2, uptr size); 104 char* strncpy(char *to, const char* from, uptr size); 105 uptr strnlen(const char *s, uptr maxlen); 106 int atoi(const char *nptr); 107 long atol(const char *nptr); // NOLINT 108 long strtol(const char *nptr, char **endptr, int base); // NOLINT 109 void longjmp(void *env, int value); 110 double frexp(double x, int *expptr); 111 } 112 # endif 113 114 #endif // ASAN_INTERCEPTED_FUNCTIONS_H 115
