1 // Copyright (c) 2010, Google Inc.
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29
30 // static_address_map-inl.h: StaticAddressMap implementation.
31 //
32 // See static_address_map.h for documentation.
33 //
34 // Author: Siyang Xie (lambxsy@google.com)
35
36 #ifndef PROCESSOR_STATIC_ADDRESS_MAP_INL_H__
37 #define PROCESSOR_STATIC_ADDRESS_MAP_INL_H__
38
39 #include "processor/static_address_map.h"
40
41 #include "processor/logging.h"
42
43 namespace google_breakpad {
44
45 template<typename AddressType, typename EntryType>
Retrieve(const AddressType & address,const EntryType * & entry,AddressType * entry_address)46 bool StaticAddressMap<AddressType, EntryType>::Retrieve(
47 const AddressType &address,
48 const EntryType *&entry, AddressType *entry_address) const {
49
50 // upper_bound gives the first element whose key is greater than address,
51 // but we want the first element whose key is less than or equal to address.
52 // Decrement the iterator to get there, but not if the upper_bound already
53 // points to the beginning of the map - in that case, address is lower than
54 // the lowest stored key, so return false.
55
56 MapConstIterator iterator = map_.upper_bound(address);
57 if (iterator == map_.begin())
58 return false;
59 --iterator;
60
61 entry = iterator.GetValuePtr();
62 // Make sure AddressType is a copyable basic type
63 if (entry_address)
64 *entry_address = iterator.GetKey();
65
66 return true;
67 }
68
69 } // namespace google_breakpad
70
71 #endif // PROCESSOR_STATIC_ADDRESS_MAP_INL_H__
72