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Diffstat (limited to 'externals/breakpad/src/processor/microdump_stackwalk.cc')
| -rw-r--r-- | externals/breakpad/src/processor/microdump_stackwalk.cc | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/externals/breakpad/src/processor/microdump_stackwalk.cc b/externals/breakpad/src/processor/microdump_stackwalk.cc deleted file mode 100644 index 222310f76b..0000000000 --- a/externals/breakpad/src/processor/microdump_stackwalk.cc +++ /dev/null @@ -1,187 +0,0 @@ -// Copyright 2014 Google LLC -// -// 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 LLC 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. - -#ifdef HAVE_CONFIG_H -#include <config.h> // Must come first -#endif - -#include <stdio.h> -#include <string.h> -#include <unistd.h> - -#include <fstream> -#include <string> -#include <vector> - -#include "common/path_helper.h" -#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.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 { - -struct Options { - bool machine_readable; - bool output_stack_contents; - - string microdump_file; - std::vector<string> symbol_paths; -}; - -using google_breakpad::BasicSourceLineResolver; -using google_breakpad::Microdump; -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 |options.microdump_file| using -// MicrodumpProcessor. |options.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 Options& options) { - std::ifstream file_stream(options.microdump_file); - std::vector<char> bytes; - file_stream.seekg(0, std::ios_base::end); - bytes.resize(file_stream.tellg()); - if (bytes.empty()) { - BPLOG(ERROR) << "Microdump is empty."; - return 1; - } - 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 (!options.symbol_paths.empty()) { - symbol_supplier.reset(new SimpleSymbolSupplier(options.symbol_paths)); - } - - BasicSourceLineResolver resolver; - StackFrameSymbolizer frame_symbolizer(symbol_supplier.get(), &resolver); - ProcessState process_state; - MicrodumpProcessor microdump_processor(&frame_symbolizer); - Microdump microdump(microdump_content); - ProcessResult res = microdump_processor.Process(µdump, - &process_state); - - if (res == google_breakpad::PROCESS_OK) { - if (options.machine_readable) { - PrintProcessStateMachineReadable(process_state); - } else { - // Microdump has only one thread, |output_requesting_thread_only|'s value - // has no effect. - PrintProcessState(process_state, options.output_stack_contents, - /*output_requesting_thread_only=*/false, &resolver); - } - return 0; - } - - BPLOG(ERROR) << "MicrodumpProcessor::Process failed (code = " << res << ")"; - return 1; -} - -} // namespace - -static void Usage(int argc, const char *argv[], bool error) { - fprintf(error ? stderr : stdout, - "Usage: %s [options] <microdump-file> [symbol-path ...]\n" - "\n" - "Output a stack trace for the provided microdump\n" - "\n" - "Options:\n" - "\n" - " -m Output in machine-readable format\n" - " -s Output stack contents\n", - google_breakpad::BaseName(argv[0]).c_str()); -} - -static void SetupOptions(int argc, const char *argv[], Options* options) { - int ch; - - options->machine_readable = false; - options->output_stack_contents = false; - - while ((ch = getopt(argc, (char * const*)argv, "hms")) != -1) { - switch (ch) { - case 'h': - Usage(argc, argv, false); - exit(0); - break; - - case 'm': - options->machine_readable = true; - break; - case 's': - options->output_stack_contents = true; - break; - - case '?': - Usage(argc, argv, true); - exit(1); - break; - } - } - - if ((argc - optind) == 0) { - fprintf(stderr, "%s: Missing microdump file\n", argv[0]); - Usage(argc, argv, true); - exit(1); - } - - options->microdump_file = argv[optind]; - - for (int argi = optind + 1; argi < argc; ++argi) - options->symbol_paths.push_back(argv[argi]); -} - -int main(int argc, const char* argv[]) { - Options options; - SetupOptions(argc, argv, &options); - - return PrintMicrodumpProcess(options); -} |