1 files changed, 20 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_symbolizer.cc b/lib/sanitizer_common/sanitizer_symbolizer.cc
index 6bec459b..2290767b 100644
--- a/lib/sanitizer_common/sanitizer_symbolizer.cc
+++ b/lib/sanitizer_common/sanitizer_symbolizer.cc
@@ -40,4 +40,24 @@ Symbolizer *Symbolizer::Disable() {
   return symbolizer_;
 }
 
+void Symbolizer::AddHooks(Symbolizer::StartSymbolizationHook start_hook,
+                          Symbolizer::EndSymbolizationHook end_hook) {
+  CHECK(start_hook_ == 0 && end_hook_ == 0);
+  start_hook_ = start_hook;
+  end_hook_ = end_hook;
+}
+
+Symbolizer::Symbolizer() : start_hook_(0), end_hook_(0) {}
+
+Symbolizer::SymbolizerScope::SymbolizerScope(const Symbolizer *sym)
+    : sym_(sym) {
+  if (sym_->start_hook_)
+    sym_->start_hook_();
+}
+
+Symbolizer::SymbolizerScope::~SymbolizerScope() {
+  if (sym_->end_hook_)
+    sym_->end_hook_();
+}
+
 }  // namespace __sanitizer