disassembler.h revision 3c7bb98698f77af10372cf31824d3bb115d9bf0f 
1/*
2 * Copyright (C) 2012 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_DISASSEMBLER_DISASSEMBLER_H_
18#define ART_DISASSEMBLER_DISASSEMBLER_H_
19
20#include <stdint.h>
21
22#include <iosfwd>
23
24#include "base/macros.h"
25#include "instruction_set.h"
26
27namespace art {
28
29class Disassembler {
30 public:
31  static Disassembler* Create(InstructionSet instruction_set);
32  virtual ~Disassembler() {}
33
34  // Dump a single instruction returning the length of that instruction.
35  virtual size_t Dump(std::ostream& os, const uint8_t* begin) = 0;
36  // Dump instructions within a range.
37  virtual void Dump(std::ostream& os, const uint8_t* begin, const uint8_t* end) = 0;
38
39 protected:
40  Disassembler() {}
41
42 private:
43  DISALLOW_COPY_AND_ASSIGN(Disassembler);
44};
45
46static inline bool HasBitSet(uint32_t value, uint32_t bit) {
47  return (value & (1 << bit)) != 0;
48}
49
50}  // namespace art
51
52#endif  // ART_DISASSEMBLER_DISASSEMBLER_H_
53