diff options
Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/google_breakpad/processor/fast_source_line_resolver.h')
| -rw-r--r-- | toolkit/crashreporter/google-breakpad/src/google_breakpad/processor/fast_source_line_resolver.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/google_breakpad/processor/fast_source_line_resolver.h b/toolkit/crashreporter/google-breakpad/src/google_breakpad/processor/fast_source_line_resolver.h new file mode 100644 index 0000000000..fdf9107766 --- /dev/null +++ b/toolkit/crashreporter/google-breakpad/src/google_breakpad/processor/fast_source_line_resolver.h @@ -0,0 +1,100 @@ +// Copyright (c) 2010 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. +// +// fast_source_line_resolver.h: FastSourceLineResolver is derived from +// SourceLineResolverBase, and is a concrete implementation of +// SourceLineResolverInterface. +// +// FastSourceLineResolver is a sibling class of BasicSourceLineResolver. The +// difference is FastSourceLineResolver loads a serialized memory chunk of data +// which can be used directly a Module without parsing or copying of underlying +// data. Therefore loading a symbol in FastSourceLineResolver is much faster +// and more memory-efficient than BasicSourceLineResolver. +// +// See "source_line_resolver_base.h" and +// "google_breakpad/source_line_resolver_interface.h" for more reference. +// +// Author: Siyang Xie (lambxsy@google.com) + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_FAST_SOURCE_LINE_RESOLVER_H__ +#define GOOGLE_BREAKPAD_PROCESSOR_FAST_SOURCE_LINE_RESOLVER_H__ + +#include <map> +#include <string> + +#include "google_breakpad/processor/source_line_resolver_base.h" + +namespace google_breakpad { + +using std::map; + +class FastSourceLineResolver : public SourceLineResolverBase { + public: + FastSourceLineResolver(); + virtual ~FastSourceLineResolver() { } + + using SourceLineResolverBase::FillSourceLineInfo; + using SourceLineResolverBase::FindCFIFrameInfo; + using SourceLineResolverBase::FindWindowsFrameInfo; + using SourceLineResolverBase::HasModule; + using SourceLineResolverBase::IsModuleCorrupt; + using SourceLineResolverBase::LoadModule; + using SourceLineResolverBase::LoadModuleUsingMapBuffer; + using SourceLineResolverBase::LoadModuleUsingMemoryBuffer; + using SourceLineResolverBase::UnloadModule; + + private: + // Friend declarations. + friend class ModuleComparer; + friend class ModuleSerializer; + friend class FastModuleFactory; + + // Nested types that will derive from corresponding nested types defined in + // SourceLineResolverBase. + struct Line; + struct Function; + struct PublicSymbol; + class Module; + + // Deserialize raw memory data to construct a WindowsFrameInfo object. + static WindowsFrameInfo CopyWFI(const char *raw_memory); + + // FastSourceLineResolver requires the memory buffer stays alive during the + // lifetime of a corresponding module, therefore it needs to redefine this + // virtual method. + virtual bool ShouldDeleteMemoryBufferAfterLoadModule(); + + // Disallow unwanted copy ctor and assignment operator + FastSourceLineResolver(const FastSourceLineResolver&); + void operator=(const FastSourceLineResolver&); +}; + +} // namespace google_breakpad + +#endif // GOOGLE_BREAKPAD_PROCESSOR_FAST_SOURCE_LINE_RESOLVER_H__ |