1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/crashreporter/google-breakpad/src/processor/module_comparer.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,98 @@
1.4 +// Copyright (c) 2010, Google Inc.
1.5 +// All rights reserved.
1.6 +//
1.7 +// Redistribution and use in source and binary forms, with or without
1.8 +// modification, are permitted provided that the following conditions are
1.9 +// met:
1.10 +//
1.11 +// * Redistributions of source code must retain the above copyright
1.12 +// notice, this list of conditions and the following disclaimer.
1.13 +// * Redistributions in binary form must reproduce the above
1.14 +// copyright notice, this list of conditions and the following disclaimer
1.15 +// in the documentation and/or other materials provided with the
1.16 +// distribution.
1.17 +// * Neither the name of Google Inc. nor the names of its
1.18 +// contributors may be used to endorse or promote products derived from
1.19 +// this software without specific prior written permission.
1.20 +//
1.21 +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.22 +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.23 +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.24 +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
1.25 +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.26 +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
1.27 +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
1.28 +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
1.29 +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.30 +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.31 +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.32 +//
1.33 +// module_comparer.h: ModuleComparer reads a string format of symbol file, and
1.34 +// loads the symbol into both BasicSourceLineResolver::Module and
1.35 +// FastSourceLineResolve::Module. It then traverses both Modules and compare
1.36 +// the content of data to verify the correctness of new fast module.
1.37 +// ModuleCompare class is a tool to verify correctness of a loaded
1.38 +// FastSourceLineResolver::Module instance, i.e., in-memory representation of
1.39 +// parsed symbol. ModuleComparer class should be used for testing purpose only,
1.40 +// e.g., in fast_source_line_resolver_unittest.
1.41 +//
1.42 +// Author: lambxsy@google.com (Siyang Xie)
1.43 +
1.44 +#ifndef PROCESSOR_MODULE_COMPARER_H__
1.45 +#define PROCESSOR_MODULE_COMPARER_H__
1.46 +
1.47 +#include <string>
1.48 +
1.49 +#include "processor/basic_source_line_resolver_types.h"
1.50 +#include "processor/fast_source_line_resolver_types.h"
1.51 +#include "processor/module_serializer.h"
1.52 +#include "processor/windows_frame_info.h"
1.53 +
1.54 +namespace google_breakpad {
1.55 +
1.56 +class ModuleComparer {
1.57 + public:
1.58 + ModuleComparer(): fast_resolver_(new FastSourceLineResolver),
1.59 + basic_resolver_(new BasicSourceLineResolver) { }
1.60 + ~ModuleComparer() {
1.61 + delete fast_resolver_;
1.62 + delete basic_resolver_;
1.63 + }
1.64 +
1.65 + // BasicSourceLineResolver loads its module using the symbol data,
1.66 + // ModuleSerializer serialize the loaded module into a memory chunk,
1.67 + // FastSourceLineResolver loads its module using the serialized memory chunk,
1.68 + // Then, traverse both modules together and compare underlying data
1.69 + // return true if both modules contain exactly same data.
1.70 + bool Compare(const string &symbol_data);
1.71 +
1.72 + private:
1.73 + typedef BasicSourceLineResolver::Module BasicModule;
1.74 + typedef FastSourceLineResolver::Module FastModule;
1.75 + typedef BasicSourceLineResolver::Function BasicFunc;
1.76 + typedef FastSourceLineResolver::Function FastFunc;
1.77 + typedef BasicSourceLineResolver::Line BasicLine;
1.78 + typedef FastSourceLineResolver::Line FastLine;
1.79 + typedef BasicSourceLineResolver::PublicSymbol BasicPubSymbol;
1.80 + typedef FastSourceLineResolver::PublicSymbol FastPubSymbol;
1.81 + typedef WindowsFrameInfo WFI;
1.82 +
1.83 + bool CompareModule(const BasicModule *oldmodule,
1.84 + const FastModule *newmodule) const;
1.85 + bool CompareFunction(const BasicFunc *oldfunc, const FastFunc *newfunc) const;
1.86 + bool CompareLine(const BasicLine *oldline, const FastLine *newline) const;
1.87 + bool ComparePubSymbol(const BasicPubSymbol*, const FastPubSymbol*) const;
1.88 + bool CompareWFI(const WindowsFrameInfo&, const WindowsFrameInfo&) const;
1.89 +
1.90 + // Compare ContainedRangeMap
1.91 + bool CompareCRM(const ContainedRangeMap<MemAddr, linked_ptr<WFI> >*,
1.92 + const StaticContainedRangeMap<MemAddr, char>*) const;
1.93 +
1.94 + FastSourceLineResolver *fast_resolver_;
1.95 + BasicSourceLineResolver *basic_resolver_;
1.96 + ModuleSerializer serializer_;
1.97 +};
1.98 +
1.99 +} // namespace google_breakpad
1.100 +
1.101 +#endif // PROCESSOR_MODULE_COMPARER_H__
