commit 2927340217c37328319b5869285a6dcdbc13e7a7
author Abseil Team <absl-team@google.com> Mon Apr 10 14:57:45 2023 -0700
committer Copybara-Service <copybara-worker@google.com> Mon Apr 10 14:59:05 2023 -0700
tree 4d38e8d5e5753783e328a5953a5cf859f8333891
parent 3ac60094416a4a8841556a75ca01a0043d461672

Extend ABSL_ATTRIBUTE_NO_SANITIZE_ADDRESS to support HWASAN

PiperOrigin-RevId: 523220096
Change-Id: Iaffea2c9c4d112839ca8c2c7f130f72c3d7cc35b

absl/base/attributes.h

diff --git a/absl/base/attributes.h b/absl/base/attributes.h
index a6572d0..df2c458 100644
--- a/absl/base/attributes.h
+++ b/absl/base/attributes.h
@@ -211,11 +211,20 @@
 // out of bounds or does other scary things with memory.
 // NOTE: GCC supports AddressSanitizer(asan) since 4.8.
 // https://gcc.gnu.org/gcc-4.8/changes.html
-#if ABSL_HAVE_ATTRIBUTE(no_sanitize_address)
+#if defined(ABSL_HAVE_ADDRESS_SANITIZER) && \
+    ABSL_HAVE_ATTRIBUTE(no_sanitize_address)
 #define ABSL_ATTRIBUTE_NO_SANITIZE_ADDRESS __attribute__((no_sanitize_address))
-#elif defined(_MSC_VER) && _MSC_VER >= 1928
+#elif defined(ABSL_HAVE_ADDRESS_SANITIZER) && defined(_MSC_VER) && \
+    _MSC_VER >= 1928
 // https://docs.microsoft.com/en-us/cpp/cpp/no-sanitize-address
 #define ABSL_ATTRIBUTE_NO_SANITIZE_ADDRESS __declspec(no_sanitize_address)
+#elif defined(ABSL_HAVE_HWADDRESS_SANITIZER) && ABSL_HAVE_ATTRIBUTE(no_sanitize)
+// HWAddressSanitizer is a sanitizer similar to AddressSanitizer, which uses CPU
+// features to detect similar bugs with less CPU and memory overhead.
+// NOTE: GCC supports HWAddressSanitizer(hwasan) since 11.
+// https://gcc.gnu.org/gcc-11/changes.html
+#define ABSL_ATTRIBUTE_NO_SANITIZE_ADDRESS \
+  __attribute__((no_sanitize("hwaddress")))
 #else
 #define ABSL_ATTRIBUTE_NO_SANITIZE_ADDRESS
 #endif