diff options
Diffstat (limited to 'lib/asan/asan_interceptors.h')
| -rw-r--r-- | lib/asan/asan_interceptors.h | 72 |
1 files changed, 71 insertions, 1 deletions
diff --git a/lib/asan/asan_interceptors.h b/lib/asan/asan_interceptors.h index 91830aa145a9..ee3b82aa7ef9 100644 --- a/lib/asan/asan_interceptors.h +++ b/lib/asan/asan_interceptors.h @@ -16,12 +16,75 @@ #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_STRDUP 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_STRDUP 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_MAC +# define ASAN_INTERCEPT_STRNLEN 1 +#else +# define ASAN_INTERCEPT_STRNLEN 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 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(uptr, strlen, const char *s) +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) @@ -33,6 +96,13 @@ namespace __asan { void InitializeAsanInterceptors(); +#define ENSURE_ASAN_INITED() do { \ + CHECK(!asan_init_is_running); \ + if (UNLIKELY(!asan_inited)) { \ + AsanInitFromRtl(); \ + } \ +} while (0) + } // namespace __asan #endif // ASAN_INTERCEPTORS_H |