[asan] Enable memtrinsics interception for RTEMS

Replace decltype(memcpy) with decltype(__asan_memcpy) because memcpy
has not been defined in any headers on RTEMS.  Similarly for memmove
and memset.

Differential Revision: https://reviews.llvm.org/D46625

llvm-svn: 332047

diff --git a/compiler-rt/lib/asan/asan_interceptors_memintrinsics.cc b/compiler-rt/lib/asan/asan_interceptors_memintrinsics.cc
index c89cb01..6d64931 100644 (file)
--- a/compiler-rt/lib/asan/asan_interceptors_memintrinsics.cc
+++ b/compiler-rt/lib/asan/asan_interceptors_memintrinsics.cc
@@ -31,14 +31,14 @@ void *__asan_memmove(void *to, const void *from, uptr size) {
   ASAN_MEMMOVE_IMPL(nullptr, to, from, size);
 }
 
-#if SANITIZER_FUCHSIA
+#if SANITIZER_FUCHSIA || SANITIZER_RTEMS
 
 // Fuchsia doesn't use sanitizer_common_interceptors.inc, but the only
 // things there it wants are these three.  Just define them as aliases
 // here rather than repeating the contents.
 
-decltype(memcpy) memcpy[[gnu::alias("__asan_memcpy")]];
-decltype(memmove) memmove[[gnu::alias("__asan_memmove")]];
-decltype(memset) memset[[gnu::alias("__asan_memset")]];
+decltype(__asan_memcpy) memcpy[[gnu::alias("__asan_memcpy")]];
+decltype(__asan_memmove) memmove[[gnu::alias("__asan_memmove")]];
+decltype(__asan_memset) memset[[gnu::alias("__asan_memset")]];
 
-#endif  // SANITIZER_FUCHSIA
+#endif  // SANITIZER_FUCHSIA || SANITIZER_RTEMS