# endif
#endif
-#ifndef ASAN_USE_PREINIT_ARRAY
-# define ASAN_USE_PREINIT_ARRAY (SANITIZER_LINUX && !SANITIZER_ANDROID)
-#endif
-
#ifndef ASAN_DYNAMIC
# ifdef PIC
# define ASAN_DYNAMIC 1
// This file is a part of AddressSanitizer, an address sanity checker.
//
// Call __asan_init at the very early stage of process startup.
-// On Linux we use .preinit_array section (unless PIC macro is defined).
//===----------------------------------------------------------------------===//
#include "asan_internal.h"
-#if ASAN_USE_PREINIT_ARRAY && !defined(PIC)
- // On Linux, we force __asan_init to be called before anyone else
- // by placing it into .preinit_array section.
- // FIXME: do we have anything like this on Mac?
+#if SANITIZER_CAN_USE_PREINIT_ARRAY
// The symbol is called __local_asan_preinit, because it's not intended to be
// exported.
__attribute__((section(".preinit_array"), used))
InitializeInterceptors();
}
-#ifndef DFSAN_NOLIBC
+#ifndef DFSAN_NOLIBC && SANITIZER_CAN_USE_PREINIT_ARRAY
__attribute__((section(".preinit_array"), used))
static void (*dfsan_init_ptr)(int, char **, char **) = dfsan_init;
#endif
#include "lsan.h"
-#ifndef LSAN_USE_PREINIT_ARRAY
-#define LSAN_USE_PREINIT_ARRAY 1
-#endif
-
-#if LSAN_USE_PREINIT_ARRAY && !defined(PIC)
+#if SANITIZER_CAN_USE_PREINIT_ARRAY
// We force __lsan_init to be called before anyone else by placing it into
// .preinit_array section.
__attribute__((section(".preinit_array"), used))
# define SANITIZER_SUPPORTS_WEAK_HOOKS 0
#endif
+// We can use .preinit_array section on Linux to call sanitizer initialization
+// functions very early in the process startup (unless PIC macro is defined).
+// FIXME: do we have anything like this on Mac?
+#if SANITIZER_LINUX && !SANITIZER_ANDROID && !defined(PIC)
+# define SANITIZER_CAN_USE_PREINIT_ARRAY 1
+#else
+# define SANITIZER_CAN_USE_PREINIT_ARRAY 0
+#endif
+
// GCC does not understand __has_feature
#if !defined(__has_feature)
# define __has_feature(x) 0