breakpad/src/processor/minidump_processor.cc

// Copyright (c) 2006, Google Inc.
// All rights reserved.
//
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// 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.
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// 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
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#include <memory>

#include "google/minidump_processor.h"
#include "processor/minidump.h"
#include "processor/stackwalker_x86.h"

using std::auto_ptr;

namespace google_airbag {

MinidumpProcessor::MinidumpProcessor(SymbolSupplier *supplier)
    : supplier_(supplier) {
}

MinidumpProcessor::~MinidumpProcessor() {
}

CallStack* MinidumpProcessor::Process(const string &minidump_file) {
  Minidump dump(minidump_file);
  if (!dump.Read()) {
    return NULL;
  }

  MinidumpException *exception = dump.GetException();
  if (!exception) {
    return NULL;
  }

  MinidumpThreadList *threads = dump.GetThreadList();
  if (!threads) {
    return NULL;
  }

  // TODO(bryner): get all the threads
  MinidumpThread *thread = threads->GetThreadByID(exception->GetThreadID());
  if (!thread) {
    return NULL;
  }

  MinidumpMemoryRegion *thread_memory = thread->GetMemory();
  if (!thread_memory) {
    return NULL;
  }

  auto_ptr<Stackwalker> walker(
    Stackwalker::StackwalkerForCPU(exception->GetContext(), thread_memory,
                                   dump.GetModuleList(), supplier_));
  if (!walker.get()) {
    return NULL;
  }

  return walker->Walk();
}

}  // namespace google_airbag