[llvm-commits] [compiler-rt] r169015 - /compiler-rt/trunk/lib/sanitizer_common/sanitizer_allocator64.h

[Dmitry Vyukov]

Author: dvyukov
Date: Fri Nov 30 11:26:50 2012
New Revision: 169015

URL: http://llvm.org/viewvc/llvm-project?rev=169015&view=rev
Log:
tsan: add sanity checks into memory allocator

Modified:
    compiler-rt/trunk/lib/sanitizer_common/sanitizer_allocator64.h

Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_allocator64.h
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_allocator64.h?rev=169015&r1=169014&r2=169015&view=diff
==============================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_allocator64.h (original)
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_allocator64.h Fri Nov 30 11:26:50 2012
@@ -460,11 +460,13 @@
   };
 
   Header *GetHeader(uptr p) {
+    CHECK_EQ(p % page_size_, 0);
     return reinterpret_cast<Header*>(p - page_size_);
   }
   Header *GetHeader(void *p) { return GetHeader(reinterpret_cast<uptr>(p)); }
 
   void *GetUser(Header *h) {
+    CHECK_EQ((uptr)h % page_size_, 0);
     return reinterpret_cast<void*>(reinterpret_cast<uptr>(h) + page_size_);
   }