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