| // Copyright (c) 2014, 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. |
| |
| // microdump_processor.cc: A microdump processor. |
| // |
| // See microdump_processor.h for documentation. |
| |
| #include "google_breakpad/processor/microdump_processor.h" |
| |
| #include <assert.h> |
| |
| #include <string> |
| |
| #include "common/using_std_string.h" |
| #include "google_breakpad/processor/call_stack.h" |
| #include "google_breakpad/processor/microdump.h" |
| #include "google_breakpad/processor/process_state.h" |
| #include "google_breakpad/processor/stackwalker.h" |
| #include "google_breakpad/processor/stack_frame_symbolizer.h" |
| #include "processor/logging.h" |
| |
| namespace google_breakpad { |
| |
| MicrodumpProcessor::MicrodumpProcessor(StackFrameSymbolizer* frame_symbolizer) |
| : frame_symbolizer_(frame_symbolizer) { |
| assert(frame_symbolizer); |
| } |
| |
| MicrodumpProcessor::~MicrodumpProcessor() {} |
| |
| ProcessResult MicrodumpProcessor::Process(const string µdump_contents, |
| ProcessState* process_state) { |
| assert(process_state); |
| |
| process_state->Clear(); |
| |
| if (microdump_contents.empty()) { |
| BPLOG(ERROR) << "Microdump is empty."; |
| return PROCESS_ERROR_MINIDUMP_NOT_FOUND; |
| } |
| |
| Microdump microdump(microdump_contents); |
| process_state->modules_ = microdump.GetModules()->Copy(); |
| scoped_ptr<Stackwalker> stackwalker( |
| Stackwalker::StackwalkerForCPU( |
| &process_state->system_info_, |
| microdump.GetContext(), |
| microdump.GetMemory(), |
| process_state->modules_, |
| frame_symbolizer_)); |
| |
| scoped_ptr<CallStack> stack(new CallStack()); |
| if (stackwalker.get()) { |
| if (!stackwalker->Walk(stack.get(), |
| &process_state->modules_without_symbols_, |
| &process_state->modules_with_corrupt_symbols_)) { |
| BPLOG(INFO) << "Processing was interrupted."; |
| return PROCESS_SYMBOL_SUPPLIER_INTERRUPTED; |
| } |
| } else { |
| BPLOG(ERROR) << "No stackwalker found for microdump."; |
| return PROCESS_ERROR_NO_THREAD_LIST; |
| } |
| |
| process_state->threads_.push_back(stack.release()); |
| process_state->thread_memory_regions_.push_back(microdump.GetMemory()); |
| process_state->crashed_ = true; |
| process_state->requesting_thread_ = 0; |
| process_state->system_info_ = *microdump.GetSystemInfo(); |
| |
| return PROCESS_OK; |
| } |
| |
| } // namespace google_breakpad |