Move dead submodules in-tree

Signed-off-by: swurl <swurl@swurl.xyz>

externals/breakpad/src/processor/microdump_stackwalk.cc

@@ -0,0 +1,187 @@
+// 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(&microdump,
+                                                  &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);
+}