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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.
-
-// static_contained_range_map.h: StaticContainedRangeMap.
-//
-// StaticContainedRangeMap is similar to ContainedRangeMap. However,
-// StaticContainedRangeMap wraps a StaticMap instead of std::map, and does not
-// support dynamic operations like StoreRange(...).
-// StaticContainedRangeMap provides same RetrieveRange(...) interfaces as
-// ContainedRangeMap.
-//
-// Please see contained_range_map.h for more documentation.
-//
-// Author: Siyang Xie (lambxsy@google.com)
-
-#ifndef PROCESSOR_STATIC_CONTAINED_RANGE_MAP_H__
-#define PROCESSOR_STATIC_CONTAINED_RANGE_MAP_H__
-
-#include "processor/static_map-inl.h"
-
-namespace google_breakpad {
-
-template<typename AddressType, typename EntryType>
-class StaticContainedRangeMap {
- public:
- StaticContainedRangeMap(): base_(), entry_size_(), entry_ptr_(), map_() { }
- explicit StaticContainedRangeMap(const char *base);
-
- // Retrieves the most specific (smallest) descendant range encompassing
- // the specified address. This method will only return entries held by
- // child ranges, and not the entry contained by |this|. This is necessary
- // to support a sparsely-populated root range. If no descendant range
- // encompasses the address, returns false.
- bool RetrieveRange(const AddressType &address, const EntryType *&entry) const;
-
- private:
- friend class ModuleComparer;
- // AddressToRangeMap stores pointers. This makes reparenting simpler in
- // StoreRange, because it doesn't need to copy entire objects.
- typedef StaticContainedRangeMap* SelfPtr;
- typedef
- StaticMap<AddressType, StaticContainedRangeMap> AddressToRangeMap;
- typedef typename AddressToRangeMap::const_iterator MapConstIterator;
-
- // The base address of this range. The high address does not need to
- // be stored, because it is used as the key to an object in its parent's
- // map, and all ContainedRangeMaps except for the root range are contained
- // within maps. The root range does not actually contain an entry, so its
- // base_ field is meaningless, and the fact that it has no parent and thus
- // no key is unimportant. For this reason, the base_ field should only be
- // is accessed on child ContainedRangeMap objects, and never on |this|.
- AddressType base_;
-
- // The entry corresponding to this range. The root range does not
- // actually contain an entry, so its entry_ field is meaningless. For
- // this reason, the entry_ field should only be accessed on child
- // ContainedRangeMap objects, and never on |this|.
- uint32_t entry_size_;
- const EntryType *entry_ptr_;
-
- // The map containing child ranges, keyed by each child range's high
- // address. This is a pointer to avoid allocating map structures for
- // leaf nodes, where they are not needed.
- AddressToRangeMap map_;
-};
-
-} // namespace google_breakpad
-
-
-#endif // PROCESSOR_STATIC_CONTAINED_RANGE_MAP_H__