tsan: use dynamic shadow stack for Go
llvm-svn: 160288
diff --git a/compiler-rt/lib/tsan/rtl/tsan_rtl.h b/compiler-rt/lib/tsan/rtl/tsan_rtl.h
index 0d717d3..5cb95da 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_rtl.h
+++ b/compiler-rt/lib/tsan/rtl/tsan_rtl.h
@@ -228,7 +228,14 @@
u64 *racy_shadow_addr;
u64 racy_state[2];
Trace trace;
+#ifndef TSAN_GO
+ // C/C++ uses embed shadow stack of fixed size.
uptr shadow_stack[kShadowStackSize];
+#else
+ // Go uses satellite shadow stack with dynamic size.
+ uptr *shadow_stack;
+ uptr *shadow_stack_end;
+#endif
ThreadClock clock;
u64 stat[StatCnt];
const int tid;