toolkit/crashreporter/google-breakpad/src/processor/address_map-inl.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/crashreporter/google-breakpad/src/processor/address_map-inl.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,93 @@
     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-inl.h: Address map implementation.
    1.34 +//
    1.35 +// See address_map.h for documentation.
    1.36 +//
    1.37 +// Author: Mark Mentovai
    1.38 +
    1.39 +#ifndef PROCESSOR_ADDRESS_MAP_INL_H__
    1.40 +#define PROCESSOR_ADDRESS_MAP_INL_H__
    1.41 +
    1.42 +#include "processor/address_map.h"
    1.43 +
    1.44 +#include <assert.h>
    1.45 +
    1.46 +#include "common/logging.h"
    1.47 +
    1.48 +namespace google_breakpad {
    1.49 +
    1.50 +template<typename AddressType, typename EntryType>
    1.51 +bool AddressMap<AddressType, EntryType>::Store(const AddressType &address,
    1.52 +                                               const EntryType &entry) {
    1.53 +  // Ensure that the specified address doesn't conflict with something already
    1.54 +  // in the map.
    1.55 +  if (map_.find(address) != map_.end()) {
    1.56 +    BPLOG(INFO) << "Store failed, address " << HexString(address) <<
    1.57 +                   " is already present";
    1.58 +    return false;
    1.59 +  }
    1.60 +
    1.61 +  map_.insert(MapValue(address, entry));
    1.62 +  return true;
    1.63 +}
    1.64 +
    1.65 +template<typename AddressType, typename EntryType>
    1.66 +bool AddressMap<AddressType, EntryType>::Retrieve(
    1.67 +    const AddressType &address,
    1.68 +    EntryType *entry, AddressType *entry_address) const {
    1.69 +  BPLOG_IF(ERROR, !entry) << "AddressMap::Retrieve requires |entry|";
    1.70 +  assert(entry);
    1.71 +
    1.72 +  // upper_bound gives the first element whose key is greater than address,
    1.73 +  // but we want the first element whose key is less than or equal to address.
    1.74 +  // Decrement the iterator to get there, but not if the upper_bound already
    1.75 +  // points to the beginning of the map - in that case, address is lower than
    1.76 +  // the lowest stored key, so return false.
    1.77 +  MapConstIterator iterator = map_.upper_bound(address);
    1.78 +  if (iterator == map_.begin())
    1.79 +    return false;
    1.80 +  --iterator;
    1.81 +
    1.82 +  *entry = iterator->second;
    1.83 +  if (entry_address)
    1.84 +    *entry_address = iterator->first;
    1.85 +
    1.86 +  return true;
    1.87 +}
    1.88 +
    1.89 +template<typename AddressType, typename EntryType>
    1.90 +void AddressMap<AddressType, EntryType>::Clear() {
    1.91 +  map_.clear();
    1.92 +}
    1.93 +
    1.94 +}  // namespace google_breakpad
    1.95 +
    1.96 +#endif  // PROCESSOR_ADDRESS_MAP_INL_H__

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