1    :  // Copyright 2015 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    :  #ifndef SYZYGY_REFINERY_ANALYZERS_STACK_FRAME_ANALYZER_H_
  16    :  #define SYZYGY_REFINERY_ANALYZERS_STACK_FRAME_ANALYZER_H_
  17    :  
  18    :  #include <dia2.h>
  19    :  
  20    :  #include "base/macros.h"
  21    :  #include "base/memory/ref_counted.h"
  22    :  #include "syzygy/refinery/analyzers/analyzer.h"
  23    :  #include "syzygy/refinery/process_state/process_state_util.h"
  24    :  #include "syzygy/refinery/symbols/dia_symbol_provider.h"
  25    :  #include "syzygy/refinery/symbols/symbol_provider.h"
  26    :  #include "syzygy/refinery/types/type_repository.h"
  27    :  
  28  m :  namespace refinery {
  29    :  
  30    :  // The stack frame analyzer populates the process state with information
  31    :  // about the contents of stack frames.
  32  m :  class StackFrameAnalyzer : public Analyzer {
  33  m :   public:
  34  m :    StackFrameAnalyzer(scoped_refptr<DiaSymbolProvider> dia_symbol_provider,
  35  m :                       scoped_refptr<SymbolProvider> symbol_provider);
  36    :  
  37  m :    const char* name() const override { return kStackFrameAnalyzerName; }
  38    :  
  39  m :    AnalysisResult Analyze(const minidump::Minidump& minidump,
  40  m :                           ProcessState* process_state) override;
  41    :  
  42  m :   private:
  43  m :    bool AnalyzeFrame(StackFrameRecordPtr frame_record,
  44  m :                      ProcessState* process_state);
  45  m :    bool SetSymbolInformation(Address instruction_pointer,
  46  m :                              ProcessState* process_state);
  47    :  
  48  m :    static const char kStackFrameAnalyzerName[];
  49    :  
  50    :    // The short term solution for symbols.
  51  m :    scoped_refptr<DiaSymbolProvider> dia_symbol_provider_;
  52    :    // The longer term solution for symbols.
  53  m :    scoped_refptr<SymbolProvider> symbol_provider_;
  54    :  
  55    :    // Symbol information for the frame being processed.
  56  m :    base::win::ScopedComPtr<IDiaSession> dia_session_;
  57  m :    scoped_refptr<TypeNameIndex> typename_index_;
  58    :  
  59  m :    DISALLOW_COPY_AND_ASSIGN(StackFrameAnalyzer);
  60  m :  };
  61    :  
  62  m :  }  // namespace refinery
  63    :  
  64    :  #endif  // SYZYGY_REFINERY_ANALYZERS_STACK_FRAME_ANALYZER_H_