1 files changed, 6 insertions, 0 deletions
diff --git a/compiler-rt/lib/hwasan/hwasan.h b/compiler-rt/lib/hwasan/hwasan.h
index bfd76759cd0..a3da09e883d 100644
--- a/compiler-rt/lib/hwasan/hwasan.h
+++ b/compiler-rt/lib/hwasan/hwasan.h
@@ -41,6 +41,10 @@ typedef u8 tag_t;
 const unsigned kAddressTagShift = 56;
 const uptr kAddressTagMask = 0xFFUL << kAddressTagShift;
 
+// Minimal alignment of the shadow base address. Determines the space available
+// for threads and stack histories. This is an ABI constant.
+const unsigned kShadowBaseAlignment = 32;
+
 static inline tag_t GetTagFromPointer(uptr p) {
   return p >> kAddressTagShift;
 }
@@ -66,6 +70,7 @@ extern int hwasan_report_count;
 
 bool ProtectRange(uptr beg, uptr end);
 bool InitShadow();
+void InitThreads();
 void MadviseShadow();
 char *GetProcSelfMaps();
 void InitializeInterceptors();
@@ -142,6 +147,7 @@ class ScopedThreadLocalStateBackup {
 };
 
 void HwasanTSDInit();
+void HwasanTSDThreadInit();
 
 void HwasanOnDeadlySignal(int signo, void *info, void *context);