[compiler-rt] r188411 - [dfsan] New __dfsan_set_label runtime function.

[Peter Collingbourne]

Author: pcc
Date: Wed Aug 14 15:51:33 2013
New Revision: 188411

URL: http://llvm.org/viewvc/llvm-project?rev=188411&view=rev
Log:
[dfsan] New __dfsan_set_label runtime function.

Differential Revision: http://llvm-reviews.chandlerc.com/D1396

Modified:
    compiler-rt/trunk/lib/dfsan/dfsan.cc

Modified: compiler-rt/trunk/lib/dfsan/dfsan.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/dfsan/dfsan.cc?rev=188411&r1=188410&r2=188411&view=diff
==============================================================================
--- compiler-rt/trunk/lib/dfsan/dfsan.cc (original)
+++ compiler-rt/trunk/lib/dfsan/dfsan.cc Wed Aug 14 15:51:33 2013
@@ -156,13 +156,18 @@ dfsan_label dfsan_create_label(const cha
   return label;
 }
 
-SANITIZER_INTERFACE_ATTRIBUTE
-void dfsan_set_label(dfsan_label label, void *addr, size_t size) {
+extern "C" SANITIZER_INTERFACE_ATTRIBUTE
+void __dfsan_set_label(dfsan_label label, void *addr, size_t size) {
   for (dfsan_label *labelp = shadow_for(addr); size != 0; --size, ++labelp)
     *labelp = label;
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
+void dfsan_set_label(dfsan_label label, void *addr, size_t size) {
+  __dfsan_set_label(label, addr, size);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
 void dfsan_add_label(dfsan_label label, void *addr, size_t size) {
   for (dfsan_label *labelp = shadow_for(addr); size != 0; --size, ++labelp)
     if (*labelp != label)