Move dead submodules in-tree

Signed-off-by: swurl <swurl@swurl.xyz>

externals/breakpad/src/processor/module_serializer.h

@@ -0,0 +1,128 @@
+// Copyright 2010 Google LLC
+//
+// 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 LLC 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,
+                  size_t* size = nullptr);
+
+  // 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,
+                                size_t* size = nullptr);
+
+  // 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;
+  typedef BasicSourceLineResolver::InlineOrigin InlineOrigin;
+
+  // 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_;
+  StdMapSerializer<int, linked_ptr<InlineOrigin>> inline_origin_serializer_;
+};
+
+}  // namespace google_breakpad
+
+#endif  // PROCESSOR_MODULE_SERIALIZER_H__