The Tor Browser: toolkit/crashreporter/google-breakpad/src/client/windows/unittests/dump

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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

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    21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

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    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

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    28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    30 #ifndef CLIENT_WINDOWS_UNITTESTS_DUMP_ANALYSIS_H_

    31 #define CLIENT_WINDOWS_UNITTESTS_DUMP_ANALYSIS_H_

    33 #include "client/windows/crash_generation/minidump_generator.h"

    35 // Convenience to get to the PEB pointer in a TEB.

    36 struct FakeTEB {

    37   char dummy[0x30];

    38   void* peb;

    39 };

    41 class DumpAnalysis {

    42  public:

    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();

    50   bool HasStream(ULONG stream_number) const;

    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>

    56   size_t GetStream(ULONG stream_number, StreamType** stream) const {

    57     return GetStreamImpl(stream_number, reinterpret_cast<void**>(stream));

    58   }

    60   bool HasTebs() const;

    61   bool HasPeb() const;

    62   bool HasMemory(ULONG64 address) const {

    63     return HasMemory<BYTE>(address, NULL);

    64   }

    66   bool HasMemory(const void* address) const {

    67     return HasMemory<BYTE>(address, NULL);

    68   }

    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;

    76     return HasMemory(reinterpret_cast<void*>(address), structure);

    77   }

    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   }

    85  protected:

    86   void EnsureDumpMapped();

    88   HANDLE dump_file_mapping_;

    89   HANDLE dump_file_handle_;

    90   void* dump_file_view_;

    91   std::wstring dump_file_;

    93  private:

    94   // This is the implementation of GetStream<>.

    95   size_t GetStreamImpl(ULONG stream_number, void** stream) const;

    97   // This is the implementation of HasMemory<>.

    98   bool HasMemoryImpl(const void* addr_in, size_t pointersize,

    99                      void** structure) const;

   100 };

   102 #endif  // CLIENT_WINDOWS_UNITTESTS_DUMP_ANALYSIS_H_

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