1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/crashreporter/google-breakpad/src/processor/address_map.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,85 @@
1.4 +// Copyright (c) 2006, Google Inc.
1.5 +// All rights reserved.
1.6 +//
1.7 +// Redistribution and use in source and binary forms, with or without
1.8 +// modification, are permitted provided that the following conditions are
1.9 +// met:
1.10 +//
1.11 +// * Redistributions of source code must retain the above copyright
1.12 +// notice, this list of conditions and the following disclaimer.
1.13 +// * Redistributions in binary form must reproduce the above
1.14 +// copyright notice, this list of conditions and the following disclaimer
1.15 +// in the documentation and/or other materials provided with the
1.16 +// distribution.
1.17 +// * Neither the name of Google Inc. nor the names of its
1.18 +// contributors may be used to endorse or promote products derived from
1.19 +// this software without specific prior written permission.
1.20 +//
1.21 +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.22 +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.23 +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.24 +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
1.25 +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.26 +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
1.27 +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
1.28 +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
1.29 +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.30 +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.31 +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.32 +
1.33 +// address_map.h: Address maps.
1.34 +//
1.35 +// An address map contains a set of objects keyed by address. Objects are
1.36 +// retrieved from the map by returning the object with the highest key less
1.37 +// than or equal to the lookup key.
1.38 +//
1.39 +// Author: Mark Mentovai
1.40 +
1.41 +#ifndef PROCESSOR_ADDRESS_MAP_H__
1.42 +#define PROCESSOR_ADDRESS_MAP_H__
1.43 +
1.44 +#include <map>
1.45 +
1.46 +namespace google_breakpad {
1.47 +
1.48 +// Forward declarations (for later friend declarations).
1.49 +template<class, class> class AddressMapSerializer;
1.50 +
1.51 +template<typename AddressType, typename EntryType>
1.52 +class AddressMap {
1.53 + public:
1.54 + AddressMap() : map_() {}
1.55 +
1.56 + // Inserts an entry into the map. Returns false without storing the entry
1.57 + // if an entry is already stored in the map at the same address as specified
1.58 + // by the address argument.
1.59 + bool Store(const AddressType &address, const EntryType &entry);
1.60 +
1.61 + // Locates the entry stored at the highest address less than or equal to
1.62 + // the address argument. If there is no such range, returns false. The
1.63 + // entry is returned in entry, which is a required argument. If
1.64 + // entry_address is not NULL, it will be set to the address that the entry
1.65 + // was stored at.
1.66 + bool Retrieve(const AddressType &address,
1.67 + EntryType *entry, AddressType *entry_address) const;
1.68 +
1.69 + // Empties the address map, restoring it to the same state as when it was
1.70 + // initially created.
1.71 + void Clear();
1.72 +
1.73 + private:
1.74 + friend class AddressMapSerializer<AddressType, EntryType>;
1.75 + friend class ModuleComparer;
1.76 +
1.77 + // Convenience types.
1.78 + typedef std::map<AddressType, EntryType> AddressToEntryMap;
1.79 + typedef typename AddressToEntryMap::const_iterator MapConstIterator;
1.80 + typedef typename AddressToEntryMap::value_type MapValue;
1.81 +
1.82 + // Maps the address of each entry to an EntryType.
1.83 + AddressToEntryMap map_;
1.84 +};
1.85 +
1.86 +} // namespace google_breakpad
1.87 +
1.88 +#endif // PROCESSOR_ADDRESS_MAP_H__
