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-// Copyright (c) 2010, 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
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// module_serializer.h: ModuleSerializer serializes a loaded symbol,
-// i.e., a loaded BasicSouceLineResolver::Module instance, into a memory
-// chunk of data. The serialized data can be read and loaded by
-// FastSourceLineResolver without CPU & memory-intensive parsing.
-//
-// Author: Siyang Xie (lambxsy@google.com)
-
-#ifndef PROCESSOR_MODULE_SERIALIZER_H__
-#define PROCESSOR_MODULE_SERIALIZER_H__
-
-#include <map>
-#include <string>
-
-#include "google_breakpad/processor/basic_source_line_resolver.h"
-#include "google_breakpad/processor/fast_source_line_resolver.h"
-#include "processor/basic_source_line_resolver_types.h"
-#include "processor/fast_source_line_resolver_types.h"
-#include "processor/linked_ptr.h"
-#include "processor/map_serializers-inl.h"
-#include "processor/simple_serializer-inl.h"
-#include "processor/windows_frame_info.h"
-
-namespace google_breakpad {
-
-// ModuleSerializer serializes a loaded BasicSourceLineResolver::Module into a
-// chunk of memory data. ModuleSerializer also provides interface to compute
-// memory size of the serialized data, write serialized data directly into
-// memory, convert ASCII format symbol data into serialized binary data, and
-// convert loaded BasicSourceLineResolver::Module into
-// FastSourceLineResolver::Module.
-class ModuleSerializer {
- public:
- // Compute the size of memory required to serialize a module. Return the
- // total size needed for serialization.
- size_t SizeOf(const BasicSourceLineResolver::Module &module);
-
- // Write a module into an allocated memory chunk with required size.
- // Return the "end" of data, i.e., the address after the final byte of data.
- char* Write(const BasicSourceLineResolver::Module &module, char *dest);
-
- // Serializes a loaded Module object into a chunk of memory data and returns
- // the address of memory chunk. If size != NULL, *size is set to the memory
- // size allocated for the serialized data.
- // Caller takes the ownership of the memory chunk (allocated on heap), and
- // owner should call delete [] to free the memory after use.
- char* Serialize(const BasicSourceLineResolver::Module &module,
- unsigned int *size = NULL);
-
- // Given the string format symbol_data, produces a chunk of serialized data.
- // Caller takes ownership of the serialized data (on heap), and owner should
- // call delete [] to free the memory after use.
- char* SerializeSymbolFileData(const string &symbol_data,
- unsigned int *size = NULL);
-
- // Serializes one loaded module with given moduleid in the basic source line
- // resolver, and loads the serialized data into the fast source line resolver.
- // Return false if the basic source line doesn't have a module with the given
- // moduleid.
- bool ConvertOneModule(const string &moduleid,
- const BasicSourceLineResolver *basic_resolver,
- FastSourceLineResolver *fast_resolver);
-
- // Serializes all the loaded modules in a basic source line resolver, and
- // loads the serialized data into a fast source line resolver.
- void ConvertAllModules(const BasicSourceLineResolver *basic_resolver,
- FastSourceLineResolver *fast_resolver);
-
- private:
- // Convenient type names.
- typedef BasicSourceLineResolver::Line Line;
- typedef BasicSourceLineResolver::Function Function;
- typedef BasicSourceLineResolver::PublicSymbol PublicSymbol;
-
- // Internal implementation for ConvertOneModule and ConvertAllModules methods.
- bool SerializeModuleAndLoadIntoFastResolver(
- const BasicSourceLineResolver::ModuleMap::const_iterator &iter,
- FastSourceLineResolver *fast_resolver);
-
- // Number of Maps that Module class contains.
- static const int32_t kNumberMaps_ =
- FastSourceLineResolver::Module::kNumberMaps_;
-
- // Memory sizes required to serialize map components in Module.
- uint32_t map_sizes_[kNumberMaps_];
-
- // Serializers for each individual map component in Module class.
- StdMapSerializer<int, string> files_serializer_;
- RangeMapSerializer<MemAddr, linked_ptr<Function> > functions_serializer_;
- AddressMapSerializer<MemAddr, linked_ptr<PublicSymbol> > pubsym_serializer_;
- ContainedRangeMapSerializer<MemAddr,
- linked_ptr<WindowsFrameInfo> > wfi_serializer_;
- RangeMapSerializer<MemAddr, string> cfi_init_rules_serializer_;
- StdMapSerializer<MemAddr, string> cfi_delta_rules_serializer_;
-};
-
-} // namespace google_breakpad
-
-#endif // PROCESSOR_MODULE_SERIALIZER_H__