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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_contained_range_map-inl.h: Hierarchically-organized range map,
+// i.e., StaticContainedRangeMap implementation.
+//
+// See static_contained_range_map.h for documentation.
+//
+// Author: Siyang Xie (lambxsy@google.com)
+
+#ifndef PROCESSOR_STATIC_CONTAINED_RANGE_MAP_INL_H__
+#define PROCESSOR_STATIC_CONTAINED_RANGE_MAP_INL_H__
+
+#include "processor/static_contained_range_map.h"
+#include "processor/logging.h"
+
+namespace google_breakpad {
+
+template<typename AddressType, typename EntryType>
+StaticContainedRangeMap<AddressType, EntryType>::StaticContainedRangeMap(
+ const char *base)
+ : base_(*(reinterpret_cast<const AddressType*>(base))),
+ entry_size_(*(reinterpret_cast<const u_int32_t*>(base + sizeof(base_)))),
+ entry_ptr_(reinterpret_cast<const EntryType *>(
+ base + sizeof(base_) + sizeof(entry_size_))),
+ map_(base + sizeof(base_) + sizeof(entry_size_) + entry_size_) {
+
+ if (entry_size_ == 0)
+ entry_ptr_ = NULL;
+}
+
+
+template<typename AddressType, typename EntryType>
+bool StaticContainedRangeMap<AddressType, EntryType>::RetrieveRange(
+ const AddressType &address, const EntryType *&entry) const {
+
+ // Get an iterator to the child range whose high address is equal to or
+ // greater than the supplied address. If the supplied address is higher
+ // than all of the high addresses in the range, then this range does not
+ // contain a child at address, so return false. If the supplied address
+ // is lower than the base address of the child range, then it is not within
+ // the child range, so return false.
+ MapConstIterator iterator = map_.lower_bound(address);
+
+ if (iterator == map_.end())
+ return false;
+
+ const char *memory_child =
+ reinterpret_cast<const char*>(iterator.GetValuePtr());
+
+ StaticContainedRangeMap child_map(memory_child);
+
+ if (address < child_map.base_)
+ return false;
+
+ // The child in iterator->second contains the specified address. Find out
+ // if it has a more-specific descendant that also contains it. If it does,
+ // it will set |entry| appropriately. If not, set |entry| to the child.
+ if (!child_map.RetrieveRange(address, entry))
+ entry = child_map.entry_ptr_;
+
+ return true;
+}
+
+} // namespace google_breakpad
+
+#endif // PROCESSOR_STATIC_CONTAINED_RANGE_MAP_INL_H__