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comparison: toolkit/crashreporter/google-breakpad/src/processor/address_map-inl.h
toolkit/crashreporter/google-breakpad/src/processor/address_map-inl.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:67bea0077919 |
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| 1 // Copyright (c) 2006, 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 // address_map-inl.h: Address map implementation. | |
| 31 // | |
| 32 // See address_map.h for documentation. | |
| 33 // | |
| 34 // Author: Mark Mentovai | |
| 35 | |
| 36 #ifndef PROCESSOR_ADDRESS_MAP_INL_H__ | |
| 37 #define PROCESSOR_ADDRESS_MAP_INL_H__ | |
| 38 | |
| 39 #include "processor/address_map.h" | |
| 40 | |
| 41 #include <assert.h> | |
| 42 | |
| 43 #include "common/logging.h" | |
| 44 | |
| 45 namespace google_breakpad { | |
| 46 | |
| 47 template<typename AddressType, typename EntryType> | |
| 48 bool AddressMap<AddressType, EntryType>::Store(const AddressType &address, | |
| 49 const EntryType &entry) { | |
| 50 // Ensure that the specified address doesn't conflict with something already | |
| 51 // in the map. | |
| 52 if (map_.find(address) != map_.end()) { | |
| 53 BPLOG(INFO) << "Store failed, address " << HexString(address) << | |
| 54 " is already present"; | |
| 55 return false; | |
| 56 } | |
| 57 | |
| 58 map_.insert(MapValue(address, entry)); | |
| 59 return true; | |
| 60 } | |
| 61 | |
| 62 template<typename AddressType, typename EntryType> | |
| 63 bool AddressMap<AddressType, EntryType>::Retrieve( | |
| 64 const AddressType &address, | |
| 65 EntryType *entry, AddressType *entry_address) const { | |
| 66 BPLOG_IF(ERROR, !entry) << "AddressMap::Retrieve requires |entry|"; | |
| 67 assert(entry); | |
| 68 | |
| 69 // upper_bound gives the first element whose key is greater than address, | |
| 70 // but we want the first element whose key is less than or equal to address. | |
| 71 // Decrement the iterator to get there, but not if the upper_bound already | |
| 72 // points to the beginning of the map - in that case, address is lower than | |
| 73 // the lowest stored key, so return false. | |
| 74 MapConstIterator iterator = map_.upper_bound(address); | |
| 75 if (iterator == map_.begin()) | |
| 76 return false; | |
| 77 --iterator; | |
| 78 | |
| 79 *entry = iterator->second; | |
| 80 if (entry_address) | |
| 81 *entry_address = iterator->first; | |
| 82 | |
| 83 return true; | |
| 84 } | |
| 85 | |
| 86 template<typename AddressType, typename EntryType> | |
| 87 void AddressMap<AddressType, EntryType>::Clear() { | |
| 88 map_.clear(); | |
| 89 } | |
| 90 | |
| 91 } // namespace google_breakpad | |
| 92 | |
| 93 #endif // PROCESSOR_ADDRESS_MAP_INL_H__ |
