Implement ModuleSnapshotWin::UUID

snapshot/win/pe_image_reader.h

 // Copyright 2015 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_WIN_PE_IMAGE_READER_H_
 #define CRASHPAD_SNAPSHOT_WIN_PE_IMAGE_READER_H_
 
 #include <windows.h>
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "util/misc/initialization_state_dcheck.h"
+#include "util/misc/uuid.h"
 #include "util/win/address_types.h"
 #include "util/win/checked_win_address_range.h"
 
 namespace crashpad {
 
 class ProcessReaderWin;
 
 namespace process_types {
 
 // TODO(scottmg): Genericize and/or? move process_types out of mac/.
@@ skipping 52 matching lines @@
   //! This is the value passed as \a size to Initialize().
   WinVMSize Size() const { return module_range_.Size(); }
 
   //! \brief Obtains the module's CrashpadInfo structure.
   //!
   //! \return `true` on success, `false` on failure. If the module does not have
   //!     a `CPADinfo` section, this will return `false` without logging any
   //!     messages. Other failures will result in messages being logged.
   bool GetCrashpadInfo(process_types::CrashpadInfo* crashpad_info) const;
 
+  //! \brief Obtains information from the module's debug directory, if any.
+  //!
+  //! \param[out] uuid The unique identifier of the executable/PDB.
+  //! \param[out] age The age field for the pdb (the number of times it's been
+  //!     relinked).
+  //! \param[out] pdbname Name of the pdb file.
+  //! \return `true` on success, or `false` if the module has no debug directory
+  //!     entry.
+  bool DebugDirectoryInformation(UUID* uuid, DWORD* age, std::string* pdbname);
+
  private:
+  //! \brief Reads the `IMAGE_NT_HEADERS` from the beginning of the image.
+  bool ReadNtHeaders(WinVMAddress* nt_header_address,
+                     IMAGE_NT_HEADERS* nt_headers) const;
+
   //! \brief Finds a given section by name in the image.
   bool GetSectionByName(const std::string& name,
                         IMAGE_SECTION_HEADER* section) const;
 
   //! \brief Reads memory from target process, first checking whether the range
   //!     requested falls inside module_range_.
   //!
   //! \return `true` on success, with \a into filled out, otherwise `false` and
   //!     a message will be logged.
   bool CheckedReadMemory(WinVMAddress address,
                          WinVMSize size,
                          void* into) const;
 
   ProcessReaderWin* process_reader_;  // weak
   CheckedWinAddressRange module_range_;
   std::string module_name_;
   InitializationStateDcheck initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(PEImageReader);
 };
 
 }  // namespace crashpad
 
 #endif  // CRASHPAD_SNAPSHOT_WIN_PE_IMAGE_READER_H_