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// 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_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::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) {
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.
ProcessState process_state;
if (minidump_processor.Process(minidump_file, &process_state) !=
google_breakpad::PROCESS_OK) {
BPLOG(ERROR) << "MinidumpProcessor::Process failed";
return false;
}
if (machine_readable) {
PrintProcessStateMachineReadable(process_state);
} else {
PrintProcessState(process_state);
}
return true;
}
void usage(const char *program_name) {
fprintf(stderr, "usage: %s [-m] <minidump-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 *minidump_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;
minidump_file = argv[2];
symbol_path_arg = 3;
} else {
machine_readable = false;
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) ? 0 : 1;
}
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