1    :  // Copyright 2011 Google Inc. All Rights Reserved.
   2    :  //
   3    :  // Licensed under the Apache License, Version 2.0 (the "License");
   4    :  // you may not use this file except in compliance with the License.
   5    :  // You may obtain a copy of the License at
   6    :  //
   7    :  //     http://www.apache.org/licenses/LICENSE-2.0
   8    :  //
   9    :  // Unless required by applicable law or agreed to in writing, software
  10    :  // distributed under the License is distributed on an "AS IS" BASIS,
  11    :  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12    :  // See the License for the specific language governing permissions and
  13    :  // limitations under the License.
  14    :  //
  15    :  // Declares a simple class for extracting PDB information from a PE file.
  16    :  #ifndef SYZYGY_PE_PDB_INFO_H_
  17    :  #define SYZYGY_PE_PDB_INFO_H_
  18    :  
  19    :  #include "base/basictypes.h"
  20    :  #include "base/files/file_path.h"
  21    :  #include "syzygy/pdb/pdb_data.h"
  22    :  #include "syzygy/pe/pe_data.h"
  23    :  
  24    :  namespace pe {
  25    :  
  26    :  // Forward declaration.
  27    :  class PEFile;
  28    :  
  29    :  // This class is analogous to CvInfoPdb70, but with a FilePath instead of a
  30    :  // char*. It contains functionality for loading the debug information directly
  31    :  // from a PE file using our PE parser rather than loading the whole image.
  32    :  class PdbInfo {
  33    :   public:
  34    :    PdbInfo();
  35    :  
  36    :    // Initializes this object from @p cv_info_pdb.
  37    :    // @returns true on success, false otherwise.
  38    :    bool Init(const CvInfoPdb70& cv_info_pdb);
  39    :  
  40    :    // Initializes this object from an already loaded PE file @p pe_file.
  41    :    // @returns true on success, false otherwise.
  42    :    bool Init(const PEFile& pe_file);
  43    :  
  44    :    // Initializes this object from the provided PE file @pe_path.
  45    :    // @returns true on success, false otherwise.
  46    :    bool Init(const base::FilePath& pe_path);
  47    :  
  48    :    // Accessors.
  49  E :    uint32 pdb_age() const { return pdb_age_; }
  50  E :    const base::FilePath& pdb_file_name() const { return pdb_file_name_; }
  51  E :    const GUID& signature() const { return signature_; }
  52    :  
  53    :    // Compares this object with the given PdbInfoHeader @p pdb_info_header.
  54    :    // @returns true if they are consistent, false otherwise.
  55    :    bool IsConsistent(const pdb::PdbInfoHeader70& pdb_info_header) const;
  56    :  
  57    :   private:
  58    :    uint32 pdb_age_;
  59    :    base::FilePath pdb_file_name_;
  60    :    GUID signature_;
  61    :  };
  62    :  
  63    :  }  // namespace pe
  64    :  
  65    :  #endif  // SYZYGY_PE_PDB_INFO_H_