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 !defined(_WIN32) 29 # define ASAN_INTERCEPT_ATOLL_AND_STRTOLL 1 30 # define ASAN_INTERCEPT__LONGJMP 1 31 # define ASAN_INTERCEPT_STRDUP 1 32 # define ASAN_INTERCEPT_STRCASECMP_AND_STRNCASECMP 1 33 # define ASAN_INTERCEPT_INDEX 1 34 # define ASAN_INTERCEPT_PTHREAD_CREATE 1 35 # define ASAN_INTERCEPT_MLOCKX 1 36 #else 37 # define ASAN_INTERCEPT_ATOLL_AND_STRTOLL 0 38 # define ASAN_INTERCEPT__LONGJMP 0 39 # define ASAN_INTERCEPT_STRDUP 0 40 # define ASAN_INTERCEPT_STRCASECMP_AND_STRNCASECMP 0 41 # define ASAN_INTERCEPT_INDEX 0 42 # define ASAN_INTERCEPT_PTHREAD_CREATE 0 43 # define ASAN_INTERCEPT_MLOCKX 0 44 #endif 45 46 #if defined(__linux__) 47 # define ASAN_USE_ALIAS_ATTRIBUTE_FOR_INDEX 1 48 #else 49 # define ASAN_USE_ALIAS_ATTRIBUTE_FOR_INDEX 0 50 #endif 51 52 #if !defined(__APPLE__) 53 # define ASAN_INTERCEPT_STRNLEN 1 54 #else 55 # define ASAN_INTERCEPT_STRNLEN 0 56 #endif 57 58 #if defined(__linux__) && !defined(ANDROID) 59 # define ASAN_INTERCEPT_SWAPCONTEXT 1 60 #else 61 # define ASAN_INTERCEPT_SWAPCONTEXT 0 62 #endif 63 64 #if !defined(ANDROID) && !defined(_WIN32) 65 # define ASAN_INTERCEPT_SIGNAL_AND_SIGACTION 1 66 #else 67 # define ASAN_INTERCEPT_SIGNAL_AND_SIGACTION 0 68 #endif 69 70 #if !defined(_WIN32) 71 # define ASAN_INTERCEPT_SIGLONGJMP 1 72 #else 73 # define ASAN_INTERCEPT_SIGLONGJMP 0 74 #endif 75 76 #if ASAN_HAS_EXCEPTIONS && !defined(_WIN32) 77 # define ASAN_INTERCEPT___CXA_THROW 1 78 #else 79 # define ASAN_INTERCEPT___CXA_THROW 0 80 #endif 81 82 # if defined(_WIN32) 83 extern "C" { 84 // Windows threads. 85 __declspec(dllimport) 86 void* __stdcall CreateThread(void *sec, uptr st, void* start, 87 void *arg, DWORD fl, DWORD *id); 88 89 int memcmp(const void *a1, const void *a2, uptr size); 90 void memmove(void *to, const void *from, uptr size); 91 void* memset(void *block, int c, uptr size); 92 void* memcpy(void *to, const void *from, uptr size); 93 char* strcat(char *to, const char* from); // NOLINT 94 char* strchr(const char *str, int c); 95 int strcmp(const char *s1, const char* s2); 96 char* strcpy(char *to, const char* from); // NOLINT 97 uptr strlen(const char *s); 98 char* strncat(char *to, const char* from, uptr size); 99 int strncmp(const char *s1, const char* s2, uptr size); 100 char* strncpy(char *to, const char* from, uptr size); 101 uptr strnlen(const char *s, uptr maxlen); 102 int atoi(const char *nptr); 103 long atol(const char *nptr); // NOLINT 104 long strtol(const char *nptr, char **endptr, int base); // NOLINT 105 void longjmp(void *env, int value); 106 double frexp(double x, int *expptr); 107 } 108 # endif 109 110 #endif // ASAN_INTERCEPTED_FUNCTIONS_H 111
