1 // Copyright (c) 2010, Google Inc. 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are 6 // met: 7 // 8 // * Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // * Redistributions in binary form must reproduce the above 11 // copyright notice, this list of conditions and the following disclaimer 12 // in the documentation and/or other materials provided with the 13 // distribution. 14 // * Neither the name of Google Inc. nor the names of its 15 // contributors may be used to endorse or promote products derived from 16 // this software without specific prior written permission. 17 // 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 #ifndef CLIENT_WINDOWS_UNITTESTS_DUMP_ANALYSIS_H_ 31 #define CLIENT_WINDOWS_UNITTESTS_DUMP_ANALYSIS_H_ 32 33 #include "client/windows/crash_generation/minidump_generator.h" 34 35 // Convenience to get to the PEB pointer in a TEB. 36 struct FakeTEB { 37 char dummy[0x30]; 38 void* peb; 39 }; 40 41 class DumpAnalysis { 42 public: DumpAnalysis(const std::wstring & file_path)43 explicit DumpAnalysis(const std::wstring& file_path) 44 : dump_file_(file_path), dump_file_view_(NULL), dump_file_mapping_(NULL), 45 dump_file_handle_(NULL) { 46 EnsureDumpMapped(); 47 } 48 ~DumpAnalysis(); 49 50 bool HasStream(ULONG stream_number) const; 51 52 // This is template to keep type safety in the front, but we end up casting 53 // to void** inside the implementation to pass the pointer to Win32. So 54 // casting here is considered safe. 55 template <class StreamType> GetStream(ULONG stream_number,StreamType ** stream)56 size_t GetStream(ULONG stream_number, StreamType** stream) const { 57 return GetStreamImpl(stream_number, reinterpret_cast<void**>(stream)); 58 } 59 60 bool HasTebs() const; 61 bool HasPeb() const; HasMemory(ULONG64 address)62 bool HasMemory(ULONG64 address) const { 63 return HasMemory<BYTE>(address, NULL); 64 } 65 HasMemory(const void * address)66 bool HasMemory(const void* address) const { 67 return HasMemory<BYTE>(address, NULL); 68 } 69 70 template <class StructureType> 71 bool HasMemory(ULONG64 address, StructureType** structure = NULL) const { 72 // We can't cope with 64 bit addresses for now. 73 if (address > 0xFFFFFFFFUL) 74 return false; 75 76 return HasMemory(reinterpret_cast<void*>(address), structure); 77 } 78 79 template <class StructureType> 80 bool HasMemory(const void* addr_in, StructureType** structure = NULL) const { 81 return HasMemoryImpl(addr_in, sizeof(StructureType), 82 reinterpret_cast<void**>(structure)); 83 } 84 85 protected: 86 void EnsureDumpMapped(); 87 88 HANDLE dump_file_mapping_; 89 HANDLE dump_file_handle_; 90 void* dump_file_view_; 91 std::wstring dump_file_; 92 93 private: 94 // This is the implementation of GetStream<>. 95 size_t GetStreamImpl(ULONG stream_number, void** stream) const; 96 97 // This is the implementation of HasMemory<>. 98 bool HasMemoryImpl(const void* addr_in, size_t pointersize, 99 void** structure) const; 100 }; 101 102 #endif // CLIENT_WINDOWS_UNITTESTS_DUMP_ANALYSIS_H_ 103