Add EncodedLiteralInstruction interface

This commit is contained in:
Ben Gruver 2012-06-06 18:16:49 -07:00
parent 58e4b792b8
commit 9a295c54e1
3 changed files with 48 additions and 3 deletions

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@ -0,0 +1,36 @@
/*
* Copyright 2012, 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.
*/
package org.jf.dexlib.Code;
public interface EncodedLiteralInstruction extends LiteralInstruction {
long getDecodedLiteral();
}

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@ -28,15 +28,15 @@
package org.jf.dexlib.Code.Format;
import org.jf.dexlib.Code.EncodedLiteralInstruction;
import org.jf.dexlib.Code.Instruction;
import org.jf.dexlib.Code.LiteralInstruction;
import org.jf.dexlib.Code.Opcode;
import org.jf.dexlib.Code.SingleRegisterInstruction;
import org.jf.dexlib.DexFile;
import org.jf.dexlib.Util.AnnotatedOutput;
import org.jf.dexlib.Util.NumberUtils;
public class Instruction21h extends Instruction implements SingleRegisterInstruction, LiteralInstruction {
public class Instruction21h extends Instruction implements SingleRegisterInstruction, EncodedLiteralInstruction {
public static final Instruction.InstructionFactory Factory = new Factory();
private byte regA;
private short litB;
@ -77,6 +77,15 @@ public class Instruction21h extends Instruction implements SingleRegisterInstruc
return litB;
}
public long getDecodedLiteral() {
if (opcode == Opcode.CONST_HIGH16) {
return litB << 16;
} else {
assert opcode == Opcode.CONST_WIDE_HIGH16;
return ((long)litB) << 48;
}
}
private static class Factory implements Instruction.InstructionFactory {
public Instruction makeInstruction(DexFile dexFile, Opcode opcode, byte[] buffer, int bufferIndex) {
return new Instruction21h(opcode, buffer, bufferIndex);

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@ -29,5 +29,5 @@
package org.jf.dexlib.Code;
public interface LiteralInstruction {
long getLiteral();
long getLiteral();
}