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+// Copyright (c) 2006, 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.
+
+// process_state.h: A snapshot of a process, in a fully-digested state.
+//
+// Author: Mark Mentovai
+
+#ifndef GOOGLE_PROCESS_STATE_H__
+#define GOOGLE_PROCESS_STATE_H__
+
+#include <string>
+#include <vector>
+
+namespace google_airbag {
+
+using std::string;
+using std::vector;
+
+class CallStack;
+
+class ProcessState {
+ public:
+  ~ProcessState();
+
+  // Accessors.  See the data declarations below.
+  bool crashed() const { return crashed_; }
+  string crash_reason() const { return crash_reason_; }
+  u_int64_t crash_address() const { return crash_address_; }
+  unsigned int crash_thread() const { return crash_thread_; }
+  const vector<CallStack*>* threads() const { return &threads_; }
+  string os() const { return os_; }
+  string os_version() const { return os_version_; }
+  string cpu() const { return cpu_; }
+  string cpu_info() const { return cpu_info_; }
+
+ private:
+  // MinidumpProcessor is responsible for building ProcessState objects.
+  friend class MinidumpProcessor;
+
+  // Disallow instantiation other than by friends.
+  ProcessState() : crashed_(false), crash_reason_(), crash_address_(0),
+                   crash_thread_(0), threads_(), os_(), os_version_(),
+                   cpu_(), cpu_info_() {}
+
+  // True if the process crashed, false if the dump was produced outside
+  // of an exception handler.
+  bool crashed_;
+
+  // If the process crashed, the type of crash.  OS- and possibly CPU-
+  // specific.  For example, "EXCEPTION_ACCESS_VIOLATION" (Windows),
+  // "EXC_BAD_ACCESS / KERN_INVALID_ADDRESS" (Mac OS X), "SIGSEGV"
+  // (other Unix).
+  string crash_reason_;
+
+  // If the process crashed, and if crash_reason implicates memory,
+  // the memory address that caused the crash.  For data access errors,
+  // this will be the data address that caused the fault.  For code errors,
+  // this will be the address of the instruction that caused the fault.
+  u_int64_t crash_address_;
+
+  // If the process crashed, the index of the crashed thread's stack
+  // in the threads vector.
+  unsigned int crash_thread_;
+
+  // Stacks for each thread (except possibly the exception handler
+  // thread) at the time of the crash.
+  vector<CallStack*> threads_;
+
+  // A string identifying the operating system, such as "Windows NT",
+  // "Mac OS X", or "Linux".  If the information is present in the dump but
+  // its value is unknown, this field will contain a numeric value.  If
+  // the information is not present in the dump, this field will be empty.
+  string os_;
+
+  // A string identifying the version of the operating system, such as
+  // "5.1.2600 Service Pack 2" or "10.4.8 8L2127".  If the dump does not
+  // contain this information, this field will be empty.
+  string os_version_;
+
+  // A string identifying the basic CPU family, such as "x86" or "ppc".
+  // If this information is present in the dump but its value is unknown,
+  // this field will contain a numeric value.  If the information is not
+  // present in the dump, this field will be empty.
+  string cpu_;
+
+  // A string further identifying the specific CPU, such as
+  // "GenuineIntel level 6 model 13 stepping 8".  If the information is not
+  // present in the dump, or additional identifying information is not
+  // defined for the CPU family, this field will be empty.
+  string cpu_info_;
+};
+
+}  // namespace google_airbag
+
+#endif  // GOOGLE_CALL_STACK_H__