From e775a3ee42dede096fba4b7995e67e8fa121dda3 Mon Sep 17 00:00:00 2001
From: Kostya Serebryany <kcc@google.com>
Date: Fri, 31 Aug 2018 02:38:23 +0000
Subject: [PATCH] [hwasan] fix the build on Linux Ubuntu 14.04. We don't need
 __hwasan_shadow on Linux at all

llvm-svn: 341158
---
 compiler-rt/lib/hwasan/hwasan_dynamic_shadow.cc | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/compiler-rt/lib/hwasan/hwasan_dynamic_shadow.cc b/compiler-rt/lib/hwasan/hwasan_dynamic_shadow.cc
index 06682e6..09b2ccf 100644
--- a/compiler-rt/lib/hwasan/hwasan_dynamic_shadow.cc
+++ b/compiler-rt/lib/hwasan/hwasan_dynamic_shadow.cc
@@ -58,6 +58,7 @@ static uptr MapDynamicShadow(uptr shadow_size_bytes) {
 
 }  // namespace __hwasan
 
+#if SANITIZER_ANDROID
 extern "C" {
 
 INTERFACE_ATTRIBUTE void __hwasan_shadow();
@@ -124,3 +125,13 @@ uptr FindDynamicShadowStart(uptr shadow_size_bytes) {
 }
 
 }  // namespace __hwasan
+#else
+namespace __hwasan {
+
+uptr FindDynamicShadowStart(uptr shadow_size_bytes) {
+  return MapDynamicShadow(shadow_size_bytes);
+}
+
+}  // namespace __hwasan
+#
+#endif  // SANITIZER_ANDROID
-- 
2.7.4