1 files changed, 23 insertions, 0 deletions
diff --git a/src/processor/cfi_frame_info.cc b/src/processor/cfi_frame_info.cc
index 0cca6646..668bdeb8 100644
--- a/src/processor/cfi_frame_info.cc
+++ b/src/processor/cfi_frame_info.cc
@@ -33,6 +33,7 @@
 // See cfi_frame_info.h for details.
 
 #include <cstring>
+#include <sstream>
 
 #include "processor/cfi_frame_info.h"
 #include "processor/postfix_evaluator-inl.h"
@@ -94,6 +95,28 @@ template bool CFIFrameInfo::FindCallerRegs<u_int64_t>(
     const MemoryRegion &memory,
     RegisterValueMap<u_int64_t> *caller_registers) const;
 
+string CFIFrameInfo::Serialize() const {
+  std::ostringstream stream;
+
+  if (!cfa_rule_.empty()) {
+    stream << ".cfa: " << cfa_rule_;
+  }
+  if (!ra_rule_.empty()) {
+    if (stream.tellp() != 0)
+      stream << " ";
+    stream << ".ra: " << ra_rule_;
+  }
+  for (RuleMap::const_iterator iter = register_rules_.begin();
+       iter != register_rules_.end();
+       ++iter) {
+    if (stream.tellp() != 0)
+      stream << " ";
+    stream << iter->first << ": " << iter->second;
+  }
+
+  return stream.str();
+}
+
 bool CFIRuleParser::Parse(const string &rule_set) {
   size_t rule_set_len = rule_set.size();
   scoped_array<char> working_copy(new char[rule_set_len + 1]);