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// Copyright (c) 2006, Google Inc.
// All rights reserved.
//
// 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 Inc. 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.
// PDBSourceLineWriter uses a pdb file produced by Visual C++ to output
// a line/address map for use with SourceLineResolver.
#ifndef _PDB_SOURCE_LINE_WRITER_H__
#define _PDB_SOURCE_LINE_WRITER_H__
#include <string>
#include <atlcomcli.h>
struct IDiaEnumLineNumbers;
struct IDiaSession;
struct IDiaSymbol;
namespace google_airbag {
using std::wstring;
class PDBSourceLineWriter {
public:
enum FileFormat {
PDB_FILE, // a .pdb file containing debug symbols
EXE_FILE, // a .exe or .dll file
};
explicit PDBSourceLineWriter();
~PDBSourceLineWriter();
// Opens the given file. For executable files, the corresponding pdb
// file must be available; Open will be if it is not.
// If there is already a pdb file open, it is automatically closed.
// Returns true on success.
bool Open(const wstring &file, FileFormat format);
// Locates the pdb file for the given executable (exe or dll) file,
// and opens it. If there is already a pdb file open, it is automatically
// closed. Returns true on success.
bool OpenExecutable(const wstring &exe_file);
// Writes a map file from the current pdb file to the given file stream.
// Returns true on success.
bool WriteMap(FILE *map_file);
// Closes the current pdb file and its associated resources.
void Close();
// Returns the GUID for the module, as a string,
// e.g. "11111111-2222-3333-4444-555555555555".
wstring GetModuleGUID();
private:
// Outputs the line/address pairs for each line in the enumerator.
// Returns true on success.
bool PrintLines(IDiaEnumLineNumbers *lines);
// Outputs a function address and name, followed by its source line list.
// Returns true on success.
bool PrintFunction(IDiaSymbol *function);
// Outputs all functions as described above. Returns true on success.
bool PrintFunctions();
// Outputs all of the source files in the session's pdb file.
// Returns true on success.
bool PrintSourceFiles();
// Outputs all of the frame information necessary to construct stack
// backtraces in the absence of frame pointers. Returns true on success.
bool PrintFrameData();
// The session for the currently-open pdb file.
CComPtr<IDiaSession> session_;
// The current output file for this WriteMap invocation.
FILE *output_;
// Disallow copy ctor and operator=
PDBSourceLineWriter(const PDBSourceLineWriter&);
void operator=(const PDBSourceLineWriter&);
};
} // namespace google_airbag
#endif // _PDB_SOURCE_LINE_WRITER_H__
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