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// 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.
#ifndef CLIENT_WINDOWS_UNITTESTS_DUMP_ANALYSIS_H_
#define CLIENT_WINDOWS_UNITTESTS_DUMP_ANALYSIS_H_
#include "client/windows/crash_generation/minidump_generator.h"
// Convenience to get to the PEB pointer in a TEB.
struct FakeTEB {
char dummy[0x30];
void* peb;
};
class DumpAnalysis {
public:
explicit DumpAnalysis(const std::wstring& file_path)
: dump_file_(file_path), dump_file_view_(NULL), dump_file_mapping_(NULL),
dump_file_handle_(NULL) {
EnsureDumpMapped();
}
~DumpAnalysis();
bool HasStream(ULONG stream_number) const;
// This is template to keep type safety in the front, but we end up casting
// to void** inside the implementation to pass the pointer to Win32. So
// casting here is considered safe.
template <class StreamType>
size_t GetStream(ULONG stream_number, StreamType** stream) const {
return GetStreamImpl(stream_number, reinterpret_cast<void**>(stream));
}
bool HasTebs() const;
bool HasPeb() const;
bool HasMemory(ULONG64 address) const {
return HasMemory<BYTE>(address, NULL);
}
bool HasMemory(const void* address) const {
return HasMemory<BYTE>(address, NULL);
}
template <class StructureType>
bool HasMemory(ULONG64 address, StructureType** structure = NULL) const {
// We can't cope with 64 bit addresses for now.
if (address > 0xFFFFFFFFUL)
return false;
return HasMemory(reinterpret_cast<void*>(address), structure);
}
template <class StructureType>
bool HasMemory(const void* addr_in, StructureType** structure = NULL) const {
return HasMemoryImpl(addr_in, sizeof(StructureType),
reinterpret_cast<void**>(structure));
}
protected:
void EnsureDumpMapped();
HANDLE dump_file_mapping_;
HANDLE dump_file_handle_;
void* dump_file_view_;
std::wstring dump_file_;
private:
// This is the implementation of GetStream<>.
size_t GetStreamImpl(ULONG stream_number, void** stream) const;
// This is the implementation of HasMemory<>.
bool HasMemoryImpl(const void* addr_in, size_t pointersize,
void** structure) const;
};
#endif // CLIENT_WINDOWS_UNITTESTS_DUMP_ANALYSIS_H_
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