You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
125 lines
4.0 KiB
125 lines
4.0 KiB
//===-- asan_interceptors.h -------------------------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file is a part of AddressSanitizer, an address sanity checker.
|
|
//
|
|
// ASan-private header for asan_interceptors.cc
|
|
//===----------------------------------------------------------------------===//
|
|
#ifndef ASAN_INTERCEPTORS_H
|
|
#define ASAN_INTERCEPTORS_H
|
|
|
|
#include "asan_internal.h"
|
|
#include "interception/interception.h"
|
|
#include "sanitizer_common/sanitizer_platform_interceptors.h"
|
|
|
|
// Use macro to describe if specific function should be
|
|
// intercepted on a given platform.
|
|
#if !SANITIZER_WINDOWS
|
|
# define ASAN_INTERCEPT_ATOLL_AND_STRTOLL 1
|
|
# define ASAN_INTERCEPT__LONGJMP 1
|
|
# define ASAN_INTERCEPT_INDEX 1
|
|
# define ASAN_INTERCEPT_PTHREAD_CREATE 1
|
|
# define ASAN_INTERCEPT_FORK 1
|
|
#else
|
|
# define ASAN_INTERCEPT_ATOLL_AND_STRTOLL 0
|
|
# define ASAN_INTERCEPT__LONGJMP 0
|
|
# define ASAN_INTERCEPT_INDEX 0
|
|
# define ASAN_INTERCEPT_PTHREAD_CREATE 0
|
|
# define ASAN_INTERCEPT_FORK 0
|
|
#endif
|
|
|
|
#if SANITIZER_FREEBSD || SANITIZER_LINUX
|
|
# define ASAN_USE_ALIAS_ATTRIBUTE_FOR_INDEX 1
|
|
#else
|
|
# define ASAN_USE_ALIAS_ATTRIBUTE_FOR_INDEX 0
|
|
#endif
|
|
|
|
#if SANITIZER_LINUX && !SANITIZER_ANDROID
|
|
# define ASAN_INTERCEPT_SWAPCONTEXT 1
|
|
#else
|
|
# define ASAN_INTERCEPT_SWAPCONTEXT 0
|
|
#endif
|
|
|
|
#if !SANITIZER_WINDOWS
|
|
# define ASAN_INTERCEPT_SIGNAL_AND_SIGACTION 1
|
|
#else
|
|
# define ASAN_INTERCEPT_SIGNAL_AND_SIGACTION 0
|
|
#endif
|
|
|
|
#if !SANITIZER_WINDOWS
|
|
# define ASAN_INTERCEPT_SIGLONGJMP 1
|
|
#else
|
|
# define ASAN_INTERCEPT_SIGLONGJMP 0
|
|
#endif
|
|
|
|
// Android bug: https://code.google.com/p/android/issues/detail?id=61799
|
|
#if ASAN_HAS_EXCEPTIONS && !SANITIZER_WINDOWS && \
|
|
!(SANITIZER_ANDROID && defined(__i386))
|
|
# define ASAN_INTERCEPT___CXA_THROW 1
|
|
#else
|
|
# define ASAN_INTERCEPT___CXA_THROW 0
|
|
#endif
|
|
|
|
#if !SANITIZER_WINDOWS
|
|
# define ASAN_INTERCEPT___CXA_ATEXIT 1
|
|
#else
|
|
# define ASAN_INTERCEPT___CXA_ATEXIT 0
|
|
#endif
|
|
|
|
#if SANITIZER_LINUX && !SANITIZER_ANDROID
|
|
# define ASAN_INTERCEPT___STRDUP 1
|
|
#else
|
|
# define ASAN_INTERCEPT___STRDUP 0
|
|
#endif
|
|
|
|
DECLARE_REAL(int, memcmp, const void *a1, const void *a2, uptr size)
|
|
DECLARE_REAL(void*, memcpy, void *to, const void *from, uptr size)
|
|
DECLARE_REAL(void*, memset, void *block, int c, uptr size)
|
|
DECLARE_REAL(char*, strchr, const char *str, int c)
|
|
DECLARE_REAL(SIZE_T, strlen, const char *s)
|
|
DECLARE_REAL(char*, strncpy, char *to, const char *from, uptr size)
|
|
DECLARE_REAL(uptr, strnlen, const char *s, uptr maxlen)
|
|
DECLARE_REAL(char*, strstr, const char *s1, const char *s2)
|
|
struct sigaction;
|
|
DECLARE_REAL(int, sigaction, int signum, const struct sigaction *act,
|
|
struct sigaction *oldact)
|
|
|
|
#if !SANITIZER_MAC
|
|
#define ASAN_INTERCEPT_FUNC(name) \
|
|
do { \
|
|
if ((!INTERCEPT_FUNCTION(name) || !REAL(name))) \
|
|
VReport(1, "AddressSanitizer: failed to intercept '" #name "'\n"); \
|
|
} while (0)
|
|
#define ASAN_INTERCEPT_FUNC_VER(name, ver) \
|
|
do { \
|
|
if ((!INTERCEPT_FUNCTION_VER(name, ver) || !REAL(name))) \
|
|
VReport( \
|
|
1, "AddressSanitizer: failed to intercept '" #name "@@" #ver "'\n"); \
|
|
} while (0)
|
|
#else
|
|
// OS X interceptors don't need to be initialized with INTERCEPT_FUNCTION.
|
|
#define ASAN_INTERCEPT_FUNC(name)
|
|
#endif // SANITIZER_MAC
|
|
|
|
namespace __asan {
|
|
|
|
void InitializeAsanInterceptors();
|
|
void InitializePlatformInterceptors();
|
|
|
|
#define ENSURE_ASAN_INITED() do { \
|
|
CHECK(!asan_init_is_running); \
|
|
if (UNLIKELY(!asan_inited)) { \
|
|
AsanInitFromRtl(); \
|
|
} \
|
|
} while (0)
|
|
|
|
} // namespace __asan
|
|
|
|
#endif // ASAN_INTERCEPTORS_H
|