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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_range_map.h: StaticRangeMap.
-//
-// StaticRangeMap is similar as RangeMap. However, StaticRangeMap wraps a
-// StaticMap instead of std::map, and does not support dynamic operations like
-// StoreRange(...). StaticRangeMap provides same Retrieve*() interfaces as
-// RangeMap. Please see range_map.h for more documentation.
-//
-// Author: Siyang Xie (lambxsy@google.com)
-
-#ifndef PROCESSOR_STATIC_RANGE_MAP_H__
-#define PROCESSOR_STATIC_RANGE_MAP_H__
-
-
-#include "processor/static_map-inl.h"
-
-namespace google_breakpad {
-
-// AddressType is basic type, e.g.: integer types, pointers etc
-// EntryType could be a complex type, so we retrieve its pointer instead.
-template<typename AddressType, typename EntryType>
-class StaticRangeMap {
- public:
- StaticRangeMap(): map_() { }
- explicit StaticRangeMap(const char *memory): map_(memory) { }
-
- // Locates the range encompassing the supplied address. If there is
- // no such range, returns false. entry_base and entry_size, if non-NULL,
- // are set to the base and size of the entry's range.
- bool RetrieveRange(const AddressType &address, const EntryType *&entry,
- AddressType *entry_base, AddressType *entry_size) const;
-
- // Locates the range encompassing the supplied address, if one exists.
- // If no range encompasses the supplied address, locates the nearest range
- // to the supplied address that is lower than the address. Returns false
- // if no range meets these criteria. entry_base and entry_size, if
- // non-NULL, are set to the base and size of the entry's range.
- bool RetrieveNearestRange(const AddressType &address, const EntryType *&entry,
- AddressType *entry_base, AddressType *entry_size)
- const;
-
- // Treating all ranges as a list ordered by the address spaces that they
- // occupy, locates the range at the index specified by index. Returns
- // false if index is larger than the number of ranges stored. entry_base
- // and entry_size, if non-NULL, are set to the base and size of the entry's
- // range.
- //
- // RetrieveRangeAtIndex is not optimized for speedy operation.
- bool RetrieveRangeAtIndex(int index, const EntryType *&entry,
- AddressType *entry_base, AddressType *entry_size)
- const;
-
- // Returns the number of ranges stored in the RangeMap.
- inline int GetCount() const { return map_.size(); }
-
- private:
- friend class ModuleComparer;
- class Range {
- public:
- AddressType base() const {
- return *(reinterpret_cast<const AddressType*>(this));
- }
- const EntryType* entryptr() const {
- return reinterpret_cast<const EntryType*>(this + sizeof(AddressType));
- }
- };
-
- // Convenience types.
- typedef StaticRangeMap* SelfPtr;
- typedef StaticMap<AddressType, Range> AddressToRangeMap;
- typedef typename AddressToRangeMap::const_iterator MapConstIterator;
-
- AddressToRangeMap map_;
-};
-
-} // namespace google_breakpad
-
-#endif // PROCESSOR_STATIC_RANGE_MAP_H__