[llvm-commits] [compiler-rt] r167580 - /compiler-rt/trunk/lib/tsan/go/tsan_go.cc

[Dmitry Vyukov]

Author: dvyukov
Date: Thu Nov  8 07:38:45 2012
New Revision: 167580

URL: http://llvm.org/viewvc/llvm-project?rev=167580&view=rev
Log:
tsan: add range access functions for Go

Modified:
    compiler-rt/trunk/lib/tsan/go/tsan_go.cc

Modified: compiler-rt/trunk/lib/tsan/go/tsan_go.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/tsan/go/tsan_go.cc?rev=167580&r1=167579&r2=167580&view=diff
==============================================================================
--- compiler-rt/trunk/lib/tsan/go/tsan_go.cc (original)
+++ compiler-rt/trunk/lib/tsan/go/tsan_go.cc Thu Nov  8 07:38:45 2012
@@ -122,6 +122,18 @@
   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);