| // 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. |
| |
| #include <windows.h> |
| #include <objbase.h> |
| #include <dbghelp.h> |
| |
| #include "breakpad_googletest_includes.h" |
| #include "client/windows/unittests/dump_analysis.h" // NOLINT |
| |
| DumpAnalysis::~DumpAnalysis() { |
| if (dump_file_view_ != NULL) { |
| EXPECT_TRUE(::UnmapViewOfFile(dump_file_view_)); |
| ::CloseHandle(dump_file_mapping_); |
| dump_file_mapping_ = NULL; |
| } |
| |
| if (dump_file_handle_ != NULL) { |
| ::CloseHandle(dump_file_handle_); |
| dump_file_handle_ = NULL; |
| } |
| } |
| |
| void DumpAnalysis::EnsureDumpMapped() { |
| if (dump_file_view_ == NULL) { |
| dump_file_handle_ = ::CreateFile(dump_file_.c_str(), |
| GENERIC_READ, |
| 0, |
| NULL, |
| OPEN_EXISTING, |
| 0, |
| NULL); |
| ASSERT_TRUE(dump_file_handle_ != NULL); |
| ASSERT_TRUE(dump_file_mapping_ == NULL); |
| |
| dump_file_mapping_ = ::CreateFileMapping(dump_file_handle_, |
| NULL, |
| PAGE_READONLY, |
| 0, |
| 0, |
| NULL); |
| ASSERT_TRUE(dump_file_mapping_ != NULL); |
| |
| dump_file_view_ = ::MapViewOfFile(dump_file_mapping_, |
| FILE_MAP_READ, |
| 0, |
| 0, |
| 0); |
| ASSERT_TRUE(dump_file_view_ != NULL); |
| } |
| } |
| |
| bool DumpAnalysis::HasTebs() const { |
| MINIDUMP_THREAD_LIST* thread_list = NULL; |
| size_t thread_list_size = GetStream(ThreadListStream, &thread_list); |
| |
| if (thread_list_size > 0 && thread_list != NULL) { |
| for (ULONG i = 0; i < thread_list->NumberOfThreads; ++i) { |
| if (!HasMemory(thread_list->Threads[i].Teb)) |
| return false; |
| } |
| |
| return true; |
| } |
| |
| // No thread list, no TEB info. |
| return false; |
| } |
| |
| bool DumpAnalysis::HasPeb() const { |
| MINIDUMP_THREAD_LIST* thread_list = NULL; |
| size_t thread_list_size = GetStream(ThreadListStream, &thread_list); |
| |
| if (thread_list_size > 0 && thread_list != NULL && |
| thread_list->NumberOfThreads > 0) { |
| FakeTEB* teb = NULL; |
| if (!HasMemory(thread_list->Threads[0].Teb, &teb)) |
| return false; |
| |
| return HasMemory(teb->peb); |
| } |
| |
| return false; |
| } |
| |
| bool DumpAnalysis::HasStream(ULONG stream_number) const { |
| void* stream = NULL; |
| size_t stream_size = GetStreamImpl(stream_number, &stream); |
| return stream_size > 0 && stream != NULL; |
| } |
| |
| size_t DumpAnalysis::GetStreamImpl(ULONG stream_number, void** stream) const { |
| MINIDUMP_DIRECTORY* directory = NULL; |
| ULONG memory_list_size = 0; |
| BOOL ret = ::MiniDumpReadDumpStream(dump_file_view_, |
| stream_number, |
| &directory, |
| stream, |
| &memory_list_size); |
| |
| return ret ? memory_list_size : 0; |
| } |
| |
| bool DumpAnalysis::HasMemoryImpl(const void *addr_in, size_t structuresize, |
| void **structure) const { |
| uintptr_t address = reinterpret_cast<uintptr_t>(addr_in); |
| MINIDUMP_MEMORY_LIST* memory_list = NULL; |
| size_t memory_list_size = GetStream(MemoryListStream, &memory_list); |
| if (memory_list_size > 0 && memory_list != NULL) { |
| for (ULONG i = 0; i < memory_list->NumberOfMemoryRanges; ++i) { |
| MINIDUMP_MEMORY_DESCRIPTOR& descr = memory_list->MemoryRanges[i]; |
| const uintptr_t range_start = |
| static_cast<uintptr_t>(descr.StartOfMemoryRange); |
| uintptr_t range_end = range_start + descr.Memory.DataSize; |
| |
| if (address >= range_start && |
| address + structuresize < range_end) { |
| // The start address falls in the range, and the end address is |
| // in bounds, return a pointer to the structure if requested. |
| if (structure != NULL) |
| *structure = RVA_TO_ADDR(dump_file_view_, descr.Memory.Rva); |
| |
| return true; |
| } |
| } |
| } |
| |
| // We didn't find the range in a MINIDUMP_MEMORY_LIST, so maybe this |
| // is a full dump using MINIDUMP_MEMORY64_LIST with all the memory at the |
| // end of the dump file. |
| MINIDUMP_MEMORY64_LIST* memory64_list = NULL; |
| memory_list_size = GetStream(Memory64ListStream, &memory64_list); |
| if (memory_list_size > 0 && memory64_list != NULL) { |
| // Keep track of where the current descriptor maps to. |
| RVA64 curr_rva = memory64_list->BaseRva; |
| for (ULONG i = 0; i < memory64_list->NumberOfMemoryRanges; ++i) { |
| MINIDUMP_MEMORY_DESCRIPTOR64& descr = memory64_list->MemoryRanges[i]; |
| uintptr_t range_start = |
| static_cast<uintptr_t>(descr.StartOfMemoryRange); |
| uintptr_t range_end = range_start + static_cast<size_t>(descr.DataSize); |
| |
| if (address >= range_start && |
| address + structuresize < range_end) { |
| // The start address falls in the range, and the end address is |
| // in bounds, return a pointer to the structure if requested. |
| if (structure != NULL) |
| *structure = RVA_TO_ADDR(dump_file_view_, curr_rva); |
| |
| return true; |
| } |
| |
| // Advance the current RVA. |
| curr_rva += descr.DataSize; |
| } |
| } |
| |
| return false; |
| } |