Detect enabled GCC/Clang sanitizers
Occasionally we want tests to take advantage of sanitizers, or work around
them.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/tests/include/test/helpers.h b/tests/include/test/helpers.h
index ba117fb..cf791e2 100644
--- a/tests/include/test/helpers.h
+++ b/tests/include/test/helpers.h
@@ -20,6 +20,21 @@
#include "mbedtls/build_info.h"
+#if defined(__SANITIZE_ADDRESS__) /* gcc -fsanitize=address */
+# define MBEDTLS_TEST_HAVE_ASAN
+#endif
+#if defined(__has_feature)
+# if __has_feature(address_sanitizer) /* clang -fsanitize=address */
+# define MBEDTLS_TEST_HAVE_ASAN
+# endif
+# if __has_feature(memory_sanitizer) /* clang -fsanitize=memory */
+# define MBEDTLS_TEST_HAVE_MSAN
+# endif
+# if __has_feature(thread_sanitizer) /* clang -fsanitize=thread */
+# define MBEDTLS_TEST_HAVE_TSAN
+# endif
+#endif
+
#if defined(MBEDTLS_THREADING_C) && defined(MBEDTLS_THREADING_PTHREAD) && \
defined(MBEDTLS_TEST_HOOKS)
#define MBEDTLS_TEST_MUTEX_USAGE