[Sanitizer] Implement Symbolizer class on Windows

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@197571 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 1 deletions

diff --git a/lib/sanitizer_common/sanitizer_symbolizer.h b/lib/sanitizer_common/sanitizer_symbolizer.h
index 4271fa67f..776cdebb6 100644
--- a/lib/sanitizer_common/sanitizer_symbolizer.h
+++ b/lib/sanitizer_common/sanitizer_symbolizer.h
@@ -27,23 +27,30 @@ namespace __sanitizer {
 
 struct AddressInfo {
   uptr address;
+
   char *module;
   uptr module_offset;
+
+  static const uptr kUnknown = ~(uptr)0;
   char *function;
+  uptr function_offset;
+
   char *file;
   int line;
   int column;
 
   AddressInfo() {
     internal_memset(this, 0, sizeof(AddressInfo));
+    function_offset = kUnknown;
   }
 
-  // Deletes all strings and sets all fields to zero.
+  // Deletes all strings and resets all fields.
   void Clear() {
     InternalFree(module);
     InternalFree(function);
     InternalFree(file);
     internal_memset(this, 0, sizeof(AddressInfo));
+    function_offset = kUnknown;
   }
 
   void FillAddressAndModuleInfo(uptr addr, const char *mod_name,