From: Dmitry Vyukov <dvyukov@google.com>
Date: Thu, 8 Nov 2012 13:38:45 +0000 (+0000)
Subject: tsan: add range access functions for Go
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=26216e4ae31a4f64a232355600bb35f065074360;p=platform%2Fupstream%2Fllvm.git

tsan: add range access functions for Go

llvm-svn: 167580
---

diff --git a/compiler-rt/lib/tsan/go/tsan_go.cc b/compiler-rt/lib/tsan/go/tsan_go.cc
index 1496842..bb1ac1d 100644
--- a/compiler-rt/lib/tsan/go/tsan_go.cc
+++ b/compiler-rt/lib/tsan/go/tsan_go.cc
@@ -122,6 +122,18 @@ void __tsan_write(int goid, void *addr, void *pc) {
   MemoryAccess(thr, (uptr)pc, (uptr)addr, 0, true);
 }
 
+void __tsan_read_range(int goid, void *addr, uptr size, uptr step, void *pc) {
+  ThreadState *thr = goroutines[goid];
+  for (uptr i = 0; i < size; i += step)
+	  MemoryAccess(thr, (uptr)pc, (uptr)addr + i, 0, false);
+}
+
+void __tsan_write_range(int goid, void *addr, uptr size, uptr step, void *pc) {
+  ThreadState *thr = goroutines[goid];
+  for (uptr i = 0; i < size; i += step)
+	  MemoryAccess(thr, (uptr)pc, (uptr)addr + i, 0, true);
+}
+
 void __tsan_func_enter(int goid, void *pc) {
   ThreadState *thr = goroutines[goid];
   FuncEntry(thr, (uptr)pc);