Server-side workaround to handle overlapping modules.

src/processor/basic_code_module.h

 // Copyright (c) 2006, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 39 matching lines @@
 
 class BasicCodeModule : public CodeModule {
  public:
   // Creates a new BasicCodeModule given any existing CodeModule
   // implementation.  This is useful to make a copy of the data relevant to
   // the CodeModule interface without requiring all of the resources that
   // other CodeModule implementations may require.
   explicit BasicCodeModule(const CodeModule *that)
       : base_address_(that->base_address()),
         size_(that->size()),
+        shrink_down_delta_(that->shrink_down_delta()),
         code_file_(that->code_file()),
         code_identifier_(that->code_identifier()),
         debug_file_(that->debug_file()),
         debug_identifier_(that->debug_identifier()),
         version_(that->version()) {}
 
   BasicCodeModule(uint64_t base_address, uint64_t size,
-                  const string &code_file,
-                  const string &code_identifier,
-                  const string &debug_file,
-                  const string &debug_identifier,
-                  const string &version)
-    : base_address_(base_address),
-      size_(size),
-      code_file_(code_file),
-      code_identifier_(code_identifier),
-      debug_file_(debug_file),
-      debug_identifier_(debug_identifier),
-      version_(version)
+                  const string &code_file,
+                  const string &code_identifier,
+                  const string &debug_file,
+                  const string &debug_identifier,
+                  const string &version)
+      : base_address_(base_address),
+        size_(size),
+        shrink_down_delta_(0),
+        code_file_(code_file),
+        code_identifier_(code_identifier),
+        debug_file_(debug_file),
+        debug_identifier_(debug_identifier),
+        version_(version)
     {}
   virtual ~BasicCodeModule() {}
 
   // See code_module.h for descriptions of these methods and the associated
   // members.
   virtual uint64_t base_address() const { return base_address_; }
   virtual uint64_t size() const { return size_; }
+  virtual uint64_t shrink_down_delta() const { return shrink_down_delta_; }
+  virtual void SetShrinkDownDelta(uint64_t shrink_down_delta) {
+    shrink_down_delta_ = shrink_down_delta;
+  }
   virtual string code_file() const { return code_file_; }
   virtual string code_identifier() const { return code_identifier_; }
   virtual string debug_file() const { return debug_file_; }
   virtual string debug_identifier() const { return debug_identifier_; }
   virtual string version() const { return version_; }
-  virtual const CodeModule* Copy() const { return new BasicCodeModule(this); }
+  virtual CodeModule* Copy() const { return new BasicCodeModule(this); }
 
  private:
   uint64_t base_address_;
   uint64_t size_;
+  uint64_t shrink_down_delta_;
   string code_file_;
   string code_identifier_;
   string debug_file_;
   string debug_identifier_;
   string version_;
 
   // Disallow copy constructor and assignment operator.
   BasicCodeModule(const BasicCodeModule &that);
   void operator=(const BasicCodeModule &that);
 };
 
 }  // namespace google_breakpad
 
 #endif  // PROCESSOR_BASIC_CODE_MODULE_H__