diff options
Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/processor/module_serializer.cc')
-rw-r--r-- | toolkit/crashreporter/google-breakpad/src/processor/module_serializer.cc | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/processor/module_serializer.cc b/toolkit/crashreporter/google-breakpad/src/processor/module_serializer.cc deleted file mode 100644 index 6ac60c1fc..000000000 --- a/toolkit/crashreporter/google-breakpad/src/processor/module_serializer.cc +++ /dev/null @@ -1,207 +0,0 @@ -// 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.cc: ModuleSerializer implementation. -// -// See module_serializer.h for documentation. -// -// Author: Siyang Xie (lambxsy@google.com) - -#include "processor/module_serializer.h" - -#include <map> -#include <string> - -#include "processor/basic_code_module.h" -#include "processor/logging.h" - -namespace google_breakpad { - -// Definition of static member variable in SimplerSerializer<Funcion>, which -// is declared in file "simple_serializer-inl.h" -RangeMapSerializer< MemAddr, linked_ptr<BasicSourceLineResolver::Line> > -SimpleSerializer<BasicSourceLineResolver::Function>::range_map_serializer_; - -size_t ModuleSerializer::SizeOf(const BasicSourceLineResolver::Module &module) { - size_t total_size_alloc_ = 0; - - // Size of the "is_corrupt" flag. - total_size_alloc_ += SimpleSerializer<bool>::SizeOf(module.is_corrupt_); - - // Compute memory size for each map component in Module class. - int map_index = 0; - map_sizes_[map_index++] = files_serializer_.SizeOf(module.files_); - map_sizes_[map_index++] = functions_serializer_.SizeOf(module.functions_); - map_sizes_[map_index++] = pubsym_serializer_.SizeOf(module.public_symbols_); - for (int i = 0; i < WindowsFrameInfo::STACK_INFO_LAST; ++i) - map_sizes_[map_index++] = - wfi_serializer_.SizeOf(&(module.windows_frame_info_[i])); - map_sizes_[map_index++] = cfi_init_rules_serializer_.SizeOf( - module.cfi_initial_rules_); - map_sizes_[map_index++] = cfi_delta_rules_serializer_.SizeOf( - module.cfi_delta_rules_); - - // Header size. - total_size_alloc_ += kNumberMaps_ * sizeof(uint32_t); - - for (int i = 0; i < kNumberMaps_; ++i) { - total_size_alloc_ += map_sizes_[i]; - } - - // Extra one byte for null terminator for C-string copy safety. - total_size_alloc_ += SimpleSerializer<char>::SizeOf(0); - - return total_size_alloc_; -} - -char *ModuleSerializer::Write(const BasicSourceLineResolver::Module &module, - char *dest) { - // Write the is_corrupt flag. - dest = SimpleSerializer<bool>::Write(module.is_corrupt_, dest); - // Write header. - memcpy(dest, map_sizes_, kNumberMaps_ * sizeof(uint32_t)); - dest += kNumberMaps_ * sizeof(uint32_t); - // Write each map. - dest = files_serializer_.Write(module.files_, dest); - dest = functions_serializer_.Write(module.functions_, dest); - dest = pubsym_serializer_.Write(module.public_symbols_, dest); - for (int i = 0; i < WindowsFrameInfo::STACK_INFO_LAST; ++i) - dest = wfi_serializer_.Write(&(module.windows_frame_info_[i]), dest); - dest = cfi_init_rules_serializer_.Write(module.cfi_initial_rules_, dest); - dest = cfi_delta_rules_serializer_.Write(module.cfi_delta_rules_, dest); - // Write a null terminator. - dest = SimpleSerializer<char>::Write(0, dest); - return dest; -} - -char* ModuleSerializer::Serialize( - const BasicSourceLineResolver::Module &module, unsigned int *size) { - // Compute size of memory to allocate. - unsigned int size_to_alloc = SizeOf(module); - - // Allocate memory for serialized data. - char *serialized_data = new char[size_to_alloc]; - if (!serialized_data) { - BPLOG(ERROR) << "ModuleSerializer: memory allocation failed, " - << "size to alloc: " << size_to_alloc; - if (size) *size = 0; - return NULL; - } - - // Write serialized data to allocated memory chunk. - char *end_address = Write(module, serialized_data); - // Verify the allocated memory size is equal to the size of data been written. - unsigned int size_written = - static_cast<unsigned int>(end_address - serialized_data); - if (size_to_alloc != size_written) { - BPLOG(ERROR) << "size_to_alloc differs from size_written: " - << size_to_alloc << " vs " << size_written; - } - - // Set size and return the start address of memory chunk. - if (size) - *size = size_to_alloc; - return serialized_data; -} - -bool ModuleSerializer::SerializeModuleAndLoadIntoFastResolver( - const BasicSourceLineResolver::ModuleMap::const_iterator &iter, - FastSourceLineResolver *fast_resolver) { - BPLOG(INFO) << "Converting symbol " << iter->first.c_str(); - - // Cast SourceLineResolverBase::Module* to BasicSourceLineResolver::Module*. - BasicSourceLineResolver::Module* basic_module = - dynamic_cast<BasicSourceLineResolver::Module*>(iter->second); - - unsigned int size = 0; - scoped_array<char> symbol_data(Serialize(*basic_module, &size)); - if (!symbol_data.get()) { - BPLOG(ERROR) << "Serialization failed for module: " << basic_module->name_; - return false; - } - BPLOG(INFO) << "Serialized Symbol Size " << size; - - // Copy the data into string. - // Must pass string to LoadModuleUsingMapBuffer(), instead of passing char* to - // LoadModuleUsingMemoryBuffer(), becaused of data ownership/lifetime issue. - string symbol_data_string(symbol_data.get(), size); - symbol_data.reset(); - - scoped_ptr<CodeModule> code_module( - new BasicCodeModule(0, 0, iter->first, "", "", "", "")); - - return fast_resolver->LoadModuleUsingMapBuffer(code_module.get(), - symbol_data_string); -} - -void ModuleSerializer::ConvertAllModules( - const BasicSourceLineResolver *basic_resolver, - FastSourceLineResolver *fast_resolver) { - // Check for NULL pointer. - if (!basic_resolver || !fast_resolver) - return; - - // Traverse module list in basic resolver. - BasicSourceLineResolver::ModuleMap::const_iterator iter; - iter = basic_resolver->modules_->begin(); - for (; iter != basic_resolver->modules_->end(); ++iter) - SerializeModuleAndLoadIntoFastResolver(iter, fast_resolver); -} - -bool ModuleSerializer::ConvertOneModule( - const string &moduleid, - const BasicSourceLineResolver *basic_resolver, - FastSourceLineResolver *fast_resolver) { - // Check for NULL pointer. - if (!basic_resolver || !fast_resolver) - return false; - - BasicSourceLineResolver::ModuleMap::const_iterator iter; - iter = basic_resolver->modules_->find(moduleid); - if (iter == basic_resolver->modules_->end()) - return false; - - return SerializeModuleAndLoadIntoFastResolver(iter, fast_resolver); -} - -char* ModuleSerializer::SerializeSymbolFileData( - const string &symbol_data, unsigned int *size) { - scoped_ptr<BasicSourceLineResolver::Module> module( - new BasicSourceLineResolver::Module("no name")); - scoped_array<char> buffer(new char[symbol_data.size() + 1]); - memcpy(buffer.get(), symbol_data.c_str(), symbol_data.size()); - buffer.get()[symbol_data.size()] = '\0'; - if (!module->LoadMapFromMemory(buffer.get(), symbol_data.size() + 1)) { - return NULL; - } - buffer.reset(NULL); - return Serialize(*(module.get()), size); -} - -} // namespace google_breakpad |