1 /*
2  * Copyright (C) 2014 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ART_RUNTIME_BASE_HEX_DUMP_H_
18 #define ART_RUNTIME_BASE_HEX_DUMP_H_
19 
20 #include "macros.h"
21 
22 #include <ostream>
23 
24 namespace art {
25 
26 // Prints a hex dump in this format:
27 //
28 // 01234560: 00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff  0123456789abcdef
29 // 01234568: 00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff  0123456789abcdef
30 class HexDump {
31  public:
HexDump(const void * address,size_t byte_count,bool show_actual_addresses,const char * prefix)32   HexDump(const void* address, size_t byte_count, bool show_actual_addresses, const char* prefix)
33       : address_(address), byte_count_(byte_count), show_actual_addresses_(show_actual_addresses),
34         prefix_(prefix) {
35   }
36 
37   void Dump(std::ostream& os) const;
38 
39  private:
40   const void* const address_;
41   const size_t byte_count_;
42   const bool show_actual_addresses_;
43   const char* const prefix_;
44 
45   DISALLOW_COPY_AND_ASSIGN(HexDump);
46 };
47 
48 inline std::ostream& operator<<(std::ostream& os, const HexDump& rhs) {
49   rhs.Dump(os);
50   return os;
51 }
52 
53 }  // namespace art
54 
55 #endif  // ART_RUNTIME_BASE_HEX_DUMP_H_
56