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Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/processor/microdump_stackwalk.cc')
-rw-r--r-- | toolkit/crashreporter/google-breakpad/src/processor/microdump_stackwalk.cc | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/processor/microdump_stackwalk.cc b/toolkit/crashreporter/google-breakpad/src/processor/microdump_stackwalk.cc new file mode 100644 index 000000000..7ea80495a --- /dev/null +++ b/toolkit/crashreporter/google-breakpad/src/processor/microdump_stackwalk.cc @@ -0,0 +1,151 @@ +// 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_stackwalk.cc: Process a microdump with MicrodumpProcessor, printing +// the results, including stack traces. + +#include <stdio.h> +#include <string.h> + +#include <fstream> +#include <string> +#include <vector> + +#include "common/scoped_ptr.h" +#include "common/using_std_string.h" +#include "google_breakpad/processor/basic_source_line_resolver.h" +#include "google_breakpad/processor/microdump_processor.h" +#include "google_breakpad/processor/process_state.h" +#include "google_breakpad/processor/stack_frame_symbolizer.h" +#include "processor/logging.h" +#include "processor/simple_symbol_supplier.h" +#include "processor/stackwalk_common.h" + + +namespace { + +using google_breakpad::BasicSourceLineResolver; +using google_breakpad::MicrodumpProcessor; +using google_breakpad::ProcessResult; +using google_breakpad::ProcessState; +using google_breakpad::scoped_ptr; +using google_breakpad::SimpleSymbolSupplier; +using google_breakpad::StackFrameSymbolizer; + +// Processes |microdump_file| using MicrodumpProcessor. |symbol_path|, if +// non-empty, is the base directory of a symbol storage area, laid out in +// the format required by SimpleSymbolSupplier. If such a storage area +// is specified, it is made available for use by the MicrodumpProcessor. +// +// Returns the value of MicrodumpProcessor::Process. If processing succeeds, +// prints identifying OS and CPU information from the microdump, crash +// information and call stacks for the crashing thread. +// All information is printed to stdout. +int PrintMicrodumpProcess(const char* microdump_file, + const std::vector<string>& symbol_paths, + bool machine_readable) { + std::ifstream file_stream(microdump_file); + std::vector<char> bytes; + file_stream.seekg(0, std::ios_base::end); + bytes.resize(file_stream.tellg()); + file_stream.seekg(0, std::ios_base::beg); + file_stream.read(&bytes[0], bytes.size()); + string microdump_content(&bytes[0], bytes.size()); + + scoped_ptr<SimpleSymbolSupplier> symbol_supplier; + if (!symbol_paths.empty()) { + symbol_supplier.reset(new SimpleSymbolSupplier(symbol_paths)); + } + + BasicSourceLineResolver resolver; + StackFrameSymbolizer frame_symbolizer(symbol_supplier.get(), &resolver); + ProcessState process_state; + MicrodumpProcessor microdump_processor(&frame_symbolizer); + ProcessResult res = microdump_processor.Process(microdump_content, + &process_state); + + if (res == google_breakpad::PROCESS_OK) { + if (machine_readable) { + PrintProcessStateMachineReadable(process_state); + } else { + PrintProcessState(process_state, false, &resolver); + } + return 0; + } + + BPLOG(ERROR) << "MicrodumpProcessor::Process failed (code = " << res << ")"; + return 1; +} + +void usage(const char *program_name) { + fprintf(stderr, "usage: %s [-m] <microdump-file> [symbol-path ...]\n" + " -m : Output in machine-readable format\n", + program_name); +} + +} // namespace + +int main(int argc, char** argv) { + BPLOG_INIT(&argc, &argv); + + if (argc < 2) { + usage(argv[0]); + return 1; + } + + const char* microdump_file; + bool machine_readable; + int symbol_path_arg; + + if (strcmp(argv[1], "-m") == 0) { + if (argc < 3) { + usage(argv[0]); + return 1; + } + + machine_readable = true; + microdump_file = argv[2]; + symbol_path_arg = 3; + } else { + machine_readable = false; + microdump_file = argv[1]; + symbol_path_arg = 2; + } + + // extra arguments are symbol paths + std::vector<string> symbol_paths; + if (argc > symbol_path_arg) { + for (int argi = symbol_path_arg; argi < argc; ++argi) + symbol_paths.push_back(argv[argi]); + } + + return PrintMicrodumpProcess(microdump_file, + symbol_paths, + machine_readable); +} |