Add ModuleSnapshotMac

snapshot/mac/module_snapshot_mac.h

+// Copyright 2014 The Crashpad Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef CRASHPAD_SNAPSHOT_MAC_MODULE_SNAPSHOT_MAC_H_
+#define CRASHPAD_SNAPSHOT_MAC_MODULE_SNAPSHOT_MAC_H_
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <map>
+#include <string>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "snapshot/mac/process_reader.h"
+#include "snapshot/module_snapshot.h"
+#include "util/misc/initialization_state_dcheck.h"
+
+namespace crashpad {
+
+class MachOImageReader;
+struct UUID;
+
+namespace internal {
+
+//! \brief A ModuleSnapshot of a code module (binary image) loaded into a
+//!     running (or crashed) process on a Mac OS X system.
+class ModuleSnapshotMac final : public ModuleSnapshot {
+ public:
+  ModuleSnapshotMac();
+  ~ModuleSnapshotMac();
+
+  //! \brief Initializes the object.
+  //!
+  //! \param[in] process_reader A ProcessReader for the task containing the
+  //!     module.
+  //! \param[in] process_reader_module The module within the ProcessReader for
+  //!     which the snapshot should be created.
+  //!
+  //! \return `true` if the snapshot could be created, `false` otherwise with
+  //!     an appropriate message logged.
+  bool Initialize(ProcessReader* process_reader,
+                  const ProcessReader::Module& process_reader_module);
+
+  // ModuleSnapshot:
+
+  std::string Name() const override;
+  uint64_t Address() const override;
+  uint64_t Size() const override;
+  time_t Timestamp() const override;
+  void FileVersion(uint16_t* version_0,
+                   uint16_t* version_1,
+                   uint16_t* version_2,
+                   uint16_t* version_3) const override;
+  void SourceVersion(uint16_t* version_0,
+                     uint16_t* version_1,
+                     uint16_t* version_2,
+                     uint16_t* version_3) const override;
+  ModuleType GetModuleType() const override;
+  void UUID(crashpad::UUID* uuid) const override;
+  std::vector<std::string> AnnotationsVector() const override;
+  std::map<std::string, std::string> AnnotationsSimpleMap() const override;
+
+ private:
+  std::string name_;
+  time_t timestamp_;
+  const MachOImageReader* mach_o_image_reader_;  // weak
+  ProcessReader* process_reader_;  // weak
+  InitializationStateDcheck initialized_;
+
+  DISALLOW_COPY_AND_ASSIGN(ModuleSnapshotMac);
+};
+
+}  // namespace internal
+}  // namespace crashpad
+
+#endif  // CRASHPAD_SNAPSHOT_MAC_MODULE_SNAPSHOT_MAC_H_