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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.
-
-// code_modules.h: Contains all of the CodeModule objects that were loaded
-// into a single process.
-//
-// Author: Mark Mentovai
-
-#ifndef GOOGLE_AIRBAG_PROCESSOR_CODE_MODULES_H__
-#define GOOGLE_AIRBAG_PROCESSOR_CODE_MODULES_H__
-
-#include "google_airbag/common/airbag_types.h"
-
-namespace google_airbag {
-
-class CodeModule;
-
-class CodeModules {
- public:
- virtual ~CodeModules() {}
-
- // The number of contained CodeModule objects.
- virtual unsigned int module_count() const = 0;
-
- // Random access to modules. Returns the module whose code is present
- // at the address indicated by |address|. If no module is present at this
- // address, returns NULL. Ownership of the returned CodeModule is retained
- // by the CodeModules object; pointers returned by this method are valid for
- // comparison with pointers returned by the other Get methods.
- virtual const CodeModule* GetModuleForAddress(u_int64_t address) const = 0;
-
- // Returns the module corresponding to the main executable. If there is
- // no main executable, returns NULL. Ownership of the returned CodeModule
- // is retained by the CodeModules object; pointers returned by this method
- // are valid for comparison with pointers returned by the other Get
- // methods.
- virtual const CodeModule* GetMainModule() const = 0;
-
- // Sequential access to modules. A sequence number of 0 corresponds to the
- // module residing lowest in memory. If the sequence number is out of
- // range, returns NULL. Ownership of the returned CodeModule is retained
- // by the CodeModules object; pointers returned by this method are valid for
- // comparison with pointers returned by the other Get methods.
- virtual const CodeModule* GetModuleAtSequence(
- unsigned int sequence) const = 0;
-
- // Sequential access to modules. This is similar to GetModuleAtSequence,
- // except no ordering requirement is enforced. A CodeModules implementation
- // may return CodeModule objects from GetModuleAtIndex in any order it
- // wishes, provided that the order remain the same throughout the life of
- // the CodeModules object. Typically, GetModuleAtIndex would be used by
- // a caller to enumerate all CodeModule objects quickly when the enumeration
- // does not require any ordering. If the index argument is out of range,
- // returns NULL. Ownership of the returned CodeModule is retained by
- // the CodeModules object; pointers returned by this method are valid for
- // comparison with pointers returned by the other Get methods.
- virtual const CodeModule* GetModuleAtIndex(unsigned int index) const = 0;
-
- // Creates a new copy of this CodeModules object, which the caller takes
- // ownership of. The new object will also contain copies of the existing
- // object's child CodeModule objects. The new CodeModules object may be of
- // a different concrete class than the object being copied, but will behave
- // identically to the copied object as far as the CodeModules and CodeModule
- // interfaces are concerned, except that the order that GetModuleAtIndex
- // returns objects in may differ between a copy and the original CodeModules
- // object.
- virtual const CodeModules* Copy() const = 0;
-};
-
-} // namespace google_airbag
-
-#endif // GOOGLE_AIRBAG_PROCESSOR_CODE_MODULES_H__