// 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. // minidump_stackwalk.cc: Process a minidump with MinidumpProcessor, printing // the results, including stack traces. // // Author: Mark Mentovai #include <stdio.h> #include <string.h> #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/minidump.h" #include "google_breakpad/processor/minidump_processor.h" #include "google_breakpad/processor/process_state.h" #include "processor/logging.h" #include "processor/simple_symbol_supplier.h" #include "processor/stackwalk_common.h" namespace { using google_breakpad::BasicSourceLineResolver; using google_breakpad::Minidump; using google_breakpad::MinidumpProcessor; using google_breakpad::ProcessState; using google_breakpad::SimpleSymbolSupplier; using google_breakpad::scoped_ptr; // Processes |minidump_file| using MinidumpProcessor. |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 MinidumpProcessor. // // Returns the value of MinidumpProcessor::Process. If processing succeeds, // prints identifying OS and CPU information from the minidump, crash // information if the minidump was produced as a result of a crash, and // call stacks for each thread contained in the minidump. All information // is printed to stdout. bool PrintMinidumpProcess(const string &minidump_file, const std::vector<string> &symbol_paths, bool machine_readable, bool output_stack_contents) { scoped_ptr<SimpleSymbolSupplier> symbol_supplier; if (!symbol_paths.empty()) { // TODO(mmentovai): check existence of symbol_path if specified? symbol_supplier.reset(new SimpleSymbolSupplier(symbol_paths)); } BasicSourceLineResolver resolver; MinidumpProcessor minidump_processor(symbol_supplier.get(), &resolver); // Process the minidump. Minidump dump(minidump_file); if (!dump.Read()) { BPLOG(ERROR) << "Minidump " << dump.path() << " could not be read"; return false; } ProcessState process_state; if (minidump_processor.Process(&dump, &process_state) != google_breakpad::PROCESS_OK) { BPLOG(ERROR) << "MinidumpProcessor::Process failed"; return false; } if (machine_readable) { PrintProcessStateMachineReadable(process_state); } else { PrintProcessState(process_state, output_stack_contents, &resolver); } return true; } void usage(const char *program_name) { fprintf(stderr, "usage: %s [-m|-s] <minidump-file> [symbol-path ...]\n" " -m : Output in machine-readable format\n" " -s : Output stack contents\n", program_name); } } // namespace int main(int argc, char **argv) { BPLOG_INIT(&argc, &argv); if (argc < 2) { usage(argv[0]); return 1; } const char *minidump_file; bool machine_readable = false; bool output_stack_contents = false; int symbol_path_arg; if (strcmp(argv[1], "-m") == 0) { if (argc < 3) { usage(argv[0]); return 1; } machine_readable = true; minidump_file = argv[2]; symbol_path_arg = 3; } else if (strcmp(argv[1], "-s") == 0) { if (argc < 3) { usage(argv[0]); return 1; } output_stack_contents = true; minidump_file = argv[2]; symbol_path_arg = 3; } else { minidump_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 PrintMinidumpProcess(minidump_file, symbol_paths, machine_readable, output_stack_contents) ? 0 : 1; }