1/*
2 * Copyright 2013, Google Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 *     * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *     * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *     * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32package org.jf.dexlib2.dexbacked.instruction;
33
34import org.jf.dexlib2.Opcode;
35import org.jf.dexlib2.dexbacked.DexBackedDexFile;
36import org.jf.dexlib2.iface.instruction.formats.Instruction35ms;
37import org.jf.util.NibbleUtils;
38
39import javax.annotation.Nonnull;
40
41public class DexBackedInstruction35ms extends DexBackedInstruction implements Instruction35ms {
42    public DexBackedInstruction35ms(@Nonnull DexBackedDexFile dexFile,
43                                    @Nonnull Opcode opcode,
44                                    int instructionStart) {
45        super(dexFile, opcode, instructionStart);
46    }
47
48    @Override public int getRegisterCount() {
49        return NibbleUtils.extractHighUnsignedNibble(dexFile.readUbyte(instructionStart + 1));
50    }
51
52    @Override
53    public int getRegisterC() {
54        return NibbleUtils.extractLowUnsignedNibble(dexFile.readUbyte(instructionStart + 4));
55    }
56
57    @Override
58    public int getRegisterD() {
59        return NibbleUtils.extractHighUnsignedNibble(dexFile.readUbyte(instructionStart + 4));
60    }
61
62    @Override
63    public int getRegisterE() {
64        return NibbleUtils.extractLowUnsignedNibble(dexFile.readUbyte(instructionStart + 5));
65    }
66
67    @Override
68    public int getRegisterF() {
69        return NibbleUtils.extractHighUnsignedNibble(dexFile.readUbyte(instructionStart + 5));
70    }
71
72    @Override
73    public int getRegisterG() {
74        return NibbleUtils.extractLowUnsignedNibble(dexFile.readUbyte(instructionStart + 1));
75    }
76
77    @Override
78    public int getVtableIndex() {
79        return dexFile.readUshort(instructionStart + 2);
80    }
81}
82