/*
* [The "BSD licence"]
* Copyright (c) 2010 Ben Gruver
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.Analysis;
import org.jf.dexlib.Code.Opcode;
public class OdexedFieldInstructionMapper {
private static Opcode[][][][] opcodeMap = new Opcode[][][][] {
//get opcodes
new Opcode[][][] {
//iget quick
new Opcode[][] {
//odexed
new Opcode[] {
/*Z*/ Opcode.IGET_QUICK,
/*B*/ Opcode.IGET_QUICK,
/*S*/ Opcode.IGET_QUICK,
/*C*/ Opcode.IGET_QUICK,
/*I,F*/ Opcode.IGET_QUICK,
/*J,D*/ Opcode.IGET_WIDE_QUICK,
/*L,[*/ Opcode.IGET_OBJECT_QUICK
},
//deodexed
new Opcode[] {
/*Z*/ Opcode.IGET_BOOLEAN,
/*B*/ Opcode.IGET_BYTE,
/*S*/ Opcode.IGET_SHORT,
/*C*/ Opcode.IGET_CHAR,
/*I,F*/ Opcode.IGET,
/*J,D*/ Opcode.IGET_WIDE,
/*L,[*/ Opcode.IGET_OBJECT
}
},
//iget volatile
new Opcode[][] {
//odexed
new Opcode[] {
/*Z*/ Opcode.IGET_VOLATILE,
/*B*/ Opcode.IGET_VOLATILE,
/*S*/ Opcode.IGET_VOLATILE,
/*C*/ Opcode.IGET_VOLATILE,
/*I,F*/ Opcode.IGET_VOLATILE,
/*J,D*/ Opcode.IGET_WIDE_VOLATILE,
/*L,[*/ Opcode.IGET_OBJECT_VOLATILE
},
//deodexed
new Opcode[] {
/*Z*/ Opcode.IGET_BOOLEAN,
/*B*/ Opcode.IGET_BYTE,
/*S*/ Opcode.IGET_SHORT,
/*C*/ Opcode.IGET_CHAR,
/*I,F*/ Opcode.IGET,
/*J,D*/ Opcode.IGET_WIDE,
/*L,[*/ Opcode.IGET_OBJECT
}
},
//sget volatile
new Opcode[][] {
//odexed
new Opcode[] {
/*Z*/ Opcode.SGET_VOLATILE,
/*B*/ Opcode.SGET_VOLATILE,
/*S*/ Opcode.SGET_VOLATILE,
/*C*/ Opcode.SGET_VOLATILE,
/*I,F*/ Opcode.SGET_VOLATILE,
/*J,D*/ Opcode.SGET_WIDE_VOLATILE,
/*L,[*/ Opcode.SGET_OBJECT_VOLATILE
},
//deodexed
new Opcode[] {
/*Z*/ Opcode.SGET_BOOLEAN,
/*B*/ Opcode.SGET_BYTE,
/*S*/ Opcode.SGET_SHORT,
/*C*/ Opcode.SGET_CHAR,
/*I,F*/ Opcode.SGET,
/*J,D*/ Opcode.SGET_WIDE,
/*L,[*/ Opcode.SGET_OBJECT
}
}
},
//put opcodes
new Opcode[][][] {
//iput quick
new Opcode[][] {
//odexed
new Opcode[] {
/*Z*/ Opcode.IPUT_QUICK,
/*B*/ Opcode.IPUT_QUICK,
/*S*/ Opcode.IPUT_QUICK,
/*C*/ Opcode.IPUT_QUICK,
/*I,F*/ Opcode.IPUT_QUICK,
/*J,D*/ Opcode.IPUT_WIDE_QUICK,
/*L,[*/ Opcode.IPUT_OBJECT_QUICK
},
//deodexed
new Opcode[] {
/*Z*/ Opcode.IPUT_BOOLEAN,
/*B*/ Opcode.IPUT_BYTE,
/*S*/ Opcode.IPUT_SHORT,
/*C*/ Opcode.IPUT_CHAR,
/*I,F*/ Opcode.IPUT,
/*J,D*/ Opcode.IPUT_WIDE,
/*L,[*/ Opcode.IPUT_OBJECT
}
},
//iput volatile
new Opcode[][] {
//odexed
new Opcode[] {
/*Z*/ Opcode.IPUT_VOLATILE,
/*B*/ Opcode.IPUT_VOLATILE,
/*S*/ Opcode.IPUT_VOLATILE,
/*C*/ Opcode.IPUT_VOLATILE,
/*I,F*/ Opcode.IPUT_VOLATILE,
/*J,D*/ Opcode.IPUT_WIDE_VOLATILE,
/*L,[*/ Opcode.IPUT_OBJECT_VOLATILE
},
//deodexed
new Opcode[] {
/*Z*/ Opcode.IPUT_BOOLEAN,
/*B*/ Opcode.IPUT_BYTE,
/*S*/ Opcode.IPUT_SHORT,
/*C*/ Opcode.IPUT_CHAR,
/*I,F*/ Opcode.IPUT,
/*J,D*/ Opcode.IPUT_WIDE,
/*L,[*/ Opcode.IPUT_OBJECT
}
},
//sput volatile
new Opcode[][] {
//odexed
new Opcode[] {
/*Z*/ Opcode.SPUT_VOLATILE,
/*B*/ Opcode.SPUT_VOLATILE,
/*S*/ Opcode.SPUT_VOLATILE,
/*C*/ Opcode.SPUT_VOLATILE,
/*I,F*/ Opcode.SPUT_VOLATILE,
/*J,D*/ Opcode.SPUT_WIDE_VOLATILE,
/*L,[*/ Opcode.SPUT_OBJECT_VOLATILE
},
//deodexed
new Opcode[] {
/*Z*/ Opcode.SPUT_BOOLEAN,
/*B*/ Opcode.SPUT_BYTE,
/*S*/ Opcode.SPUT_SHORT,
/*C*/ Opcode.SPUT_CHAR,
/*I,F*/ Opcode.SPUT,
/*J,D*/ Opcode.SPUT_WIDE,
/*L,[*/ Opcode.SPUT_OBJECT
}
}
}
};
private static int getTypeIndex(char type) {
switch (type) {
case 'Z':
return 0;
case 'B':
return 1;
case 'S':
return 2;
case 'C':
return 3;
case 'I':
case 'F':
return 4;
case 'J':
case 'D':
return 5;
case 'L':
case '[':
return 6;
default:
}
throw new RuntimeException(String.format("Unknown type %s: ", type));
}
private static int getOpcodeSubtype(Opcode opcode) {
if (opcode.isOdexedInstanceQuick()) {
return 0;
} else if (opcode.isOdexedInstanceVolatile()) {
return 1;
} else if (opcode.isOdexedStaticVolatile()) {
return 2;
}
throw new RuntimeException(String.format("Not an odexed field access opcode: %s", opcode.name));
}
static Opcode getAndCheckDeodexedOpcodeForOdexedOpcode(String fieldType, Opcode odexedOpcode) {
int opcodeType = odexedOpcode.setsRegister()?0:1;
int opcodeSubType = getOpcodeSubtype(odexedOpcode);
int typeIndex = getTypeIndex(fieldType.charAt(0));
Opcode correctOdexedOpcode = opcodeMap[opcodeType][opcodeSubType][0][typeIndex];
Opcode deodexedOpcode = opcodeMap[opcodeType][opcodeSubType][1][typeIndex];
if (correctOdexedOpcode != odexedOpcode) {
throw new ValidationException(String.format("Incorrect field type \"%s\" for %s", fieldType,
odexedOpcode.name));
}
return deodexedOpcode;
}
}