diff options
| -rw-r--r-- | Modules/faulthandler.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/Modules/faulthandler.c b/Modules/faulthandler.c index 4f9f661..db3f4fb 100644 --- a/Modules/faulthandler.c +++ b/Modules/faulthandler.c @@ -32,6 +32,23 @@ #define PUTS(fd, str) _Py_write_noraise(fd, str, strlen(str)) + +// clang uses __attribute__((no_sanitize("undefined"))) +// GCC 4.9+ uses __attribute__((no_sanitize_undefined)) +#if defined(__has_feature) // Clang +# if __has_feature(undefined_behavior_sanitizer) +# define _Py_NO_SANITIZE_UNDEFINED __attribute__((no_sanitize("undefined"))) +# endif +#endif +#if defined(__GNUC__) \ + && ((__GNUC__ >= 5) || (__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)) +# define _Py_NO_SANITIZE_UNDEFINED __attribute__((no_sanitize_undefined)) +#endif +#ifndef _Py_NO_SANITIZE_UNDEFINED +# define _Py_NO_SANITIZE_UNDEFINED +#endif + + #ifdef HAVE_SIGACTION typedef struct sigaction _Py_sighandler_t; #else @@ -1013,7 +1030,7 @@ faulthandler_suppress_crash_report(void) #endif } -static PyObject * +static PyObject* _Py_NO_SANITIZE_UNDEFINED faulthandler_read_null(PyObject *self, PyObject *args) { volatile int *x; @@ -1102,21 +1119,6 @@ faulthandler_fatal_error_c_thread(PyObject *self, PyObject *args) Py_RETURN_NONE; } -// clang uses __attribute__((no_sanitize("undefined"))) -// GCC 4.9+ uses __attribute__((no_sanitize_undefined)) -#if defined(__has_feature) // Clang -# if __has_feature(undefined_behavior_sanitizer) -# define _Py_NO_SANITIZE_UNDEFINED __attribute__((no_sanitize("undefined"))) -# endif -#endif -#if defined(__GNUC__) \ - && ((__GNUC__ >= 5) || (__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)) -# define _Py_NO_SANITIZE_UNDEFINED __attribute__((no_sanitize_undefined)) -#endif -#ifndef _Py_NO_SANITIZE_UNDEFINED -# define _Py_NO_SANITIZE_UNDEFINED -#endif - static PyObject* _Py_NO_SANITIZE_UNDEFINED faulthandler_sigfpe(PyObject *self, PyObject *args) { |