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comparison: toolkit/crashreporter/google-breakpad/src/processor/static_address_map.h
toolkit/crashreporter/google-breakpad/src/processor/static_address_map.h
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| 1 // Copyright (c) 2010, Google Inc. | |
| 2 // All rights reserved. | |
| 3 // | |
| 4 // Redistribution and use in source and binary forms, with or without | |
| 5 // modification, are permitted provided that the following conditions are | |
| 6 // met: | |
| 7 // | |
| 8 // * Redistributions of source code must retain the above copyright | |
| 9 // notice, this list of conditions and the following disclaimer. | |
| 10 // * Redistributions in binary form must reproduce the above | |
| 11 // copyright notice, this list of conditions and the following disclaimer | |
| 12 // in the documentation and/or other materials provided with the | |
| 13 // distribution. | |
| 14 // * Neither the name of Google Inc. nor the names of its | |
| 15 // contributors may be used to endorse or promote products derived from | |
| 16 // this software without specific prior written permission. | |
| 17 // | |
| 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 | |
| 30 // static_address_map.h: StaticAddressMap. | |
| 31 // | |
| 32 // StaticAddressMap is a wrapper class of StaticMap, just as AddressMap wraps | |
| 33 // std::map. StaticAddressMap provides read-only Retrieve() operation, similar | |
| 34 // as AddressMap. However, the difference between StaticAddressMap and | |
| 35 // AddressMap is that StaticAddressMap does not support dynamic operation | |
| 36 // Store() due to the static nature of the underlying StaticMap. | |
| 37 // | |
| 38 // See address_map.h for reference. | |
| 39 // | |
| 40 // Author: Siyang Xie (lambxsy@google.com) | |
| 41 | |
| 42 #ifndef PROCESSOR_STATIC_ADDRESS_MAP_H__ | |
| 43 #define PROCESSOR_STATIC_ADDRESS_MAP_H__ | |
| 44 | |
| 45 #include "processor/static_map-inl.h" | |
| 46 | |
| 47 namespace google_breakpad { | |
| 48 | |
| 49 // AddressType MUST be a basic type, e.g.: integer types etc | |
| 50 // EntryType could be a complex type, so we retrieve its pointer instead. | |
| 51 template<typename AddressType, typename EntryType> | |
| 52 class StaticAddressMap { | |
| 53 public: | |
| 54 StaticAddressMap(): map_() { } | |
| 55 explicit StaticAddressMap(const char *map_data): map_(map_data) { } | |
| 56 | |
| 57 // Locates the entry stored at the highest address less than or equal to | |
| 58 // the address argument. If there is no such range, returns false. The | |
| 59 // entry is returned in entry, which is a required argument. If | |
| 60 // entry_address is not NULL, it will be set to the address that the entry | |
| 61 // was stored at. | |
| 62 bool Retrieve(const AddressType &address, | |
| 63 const EntryType *&entry, AddressType *entry_address) const; | |
| 64 | |
| 65 private: | |
| 66 friend class ModuleComparer; | |
| 67 // Convenience types. | |
| 68 typedef StaticAddressMap* SelfPtr; | |
| 69 typedef StaticMap<AddressType, EntryType> AddressToEntryMap; | |
| 70 typedef typename AddressToEntryMap::const_iterator MapConstIterator; | |
| 71 | |
| 72 AddressToEntryMap map_; | |
| 73 }; | |
| 74 | |
| 75 } // namespace google_breakpad | |
| 76 | |
| 77 #endif // PROCESSOR_STATIC_ADDRESS_MAP_H__ | |
| 78 |
