/*
* [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.OdexedInvokeInline;
import org.jf.dexlib.Code.OdexedInvokeVirtual;
import static org.jf.dexlib.Code.Analysis.DeodexUtil.Static;
import static org.jf.dexlib.Code.Analysis.DeodexUtil.Virtual;
import static org.jf.dexlib.Code.Analysis.DeodexUtil.Direct;
public abstract class InlineMethodResolver {
public static InlineMethodResolver createInlineMethodResolver(DeodexUtil deodexUtil, int odexVersion) {
if (odexVersion == 35) {
return new InlineMethodResolver_version35(deodexUtil);
} else if (odexVersion == 36) {
return new InlineMethodResolver_version36(deodexUtil);
} else {
throw new RuntimeException(String.format("odex version %d is not supported yet", odexVersion));
}
}
protected InlineMethodResolver() {
}
public abstract DeodexUtil.InlineMethod resolveExecuteInline(AnalyzedInstruction instruction);
private static class InlineMethodResolver_version35 extends InlineMethodResolver
{
private final DeodexUtil.InlineMethod[] inlineMethods;
public InlineMethodResolver_version35(DeodexUtil deodexUtil) {
inlineMethods = new DeodexUtil.InlineMethod[] {
new DeodexUtil.InlineMethod(Static, "Lorg/apache/harmony/dalvik/NativeTestTarget;", "emptyInlineMethod", "", "V"),
new DeodexUtil.InlineMethod(Virtual, "Ljava/lang/String;", "charAt", "I", "C"),
new DeodexUtil.InlineMethod(Virtual, "Ljava/lang/String;", "compareTo", "Ljava/lang/String;", "I"),
new DeodexUtil.InlineMethod(Virtual, "Ljava/lang/String;", "equals", "Ljava/lang/Object;", "Z"),
new DeodexUtil.InlineMethod(Virtual, "Ljava/lang/String;", "length", "", "I"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Math;", "abs", "I", "I"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Math;", "abs", "J", "J"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Math;", "abs", "F", "F"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Math;", "abs", "D", "D"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Math;", "min", "II", "I"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Math;", "max", "II", "I"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Math;", "sqrt", "D", "D"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Math;", "cos", "D", "D"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Math;", "sin", "D", "D")
};
}
@Override
public DeodexUtil.InlineMethod resolveExecuteInline(AnalyzedInstruction analyzedInstruction) {
assert analyzedInstruction.instruction instanceof OdexedInvokeInline;
OdexedInvokeInline instruction = (OdexedInvokeInline)analyzedInstruction.instruction;
int inlineIndex = instruction.getInlineIndex();
if (inlineIndex < 0 || inlineIndex >= inlineMethods.length) {
throw new RuntimeException("Invalid inline index: " + inlineIndex);
}
return inlineMethods[inlineIndex];
}
}
private static class InlineMethodResolver_version36 extends InlineMethodResolver
{
private final DeodexUtil.InlineMethod[] inlineMethods;
private final DeodexUtil.InlineMethod indexOfIMethod;
private final DeodexUtil.InlineMethod indexOfIIMethod;
private final DeodexUtil.InlineMethod fastIndexOfMethod;
private final DeodexUtil.InlineMethod isEmptyMethod;
public InlineMethodResolver_version36(DeodexUtil deodexUtil) {
//The 5th and 6th entries differ between froyo and gingerbread. We have to look at the parameters being
//passed to distinguish between them.
//froyo
indexOfIMethod = new DeodexUtil.InlineMethod(Virtual, "Ljava/lang/String;", "indexOf", "I", "I");
indexOfIIMethod = new DeodexUtil.InlineMethod(Virtual, "Ljava/lang/String;", "indexOf", "II", "I");
//gingerbread
fastIndexOfMethod = new DeodexUtil.InlineMethod(Direct, "Ljava/lang/String;", "fastIndexOf", "II", "I");
isEmptyMethod = new DeodexUtil.InlineMethod(Virtual, "Ljava/lang/String;", "isEmpty", "", "Z");
inlineMethods = new DeodexUtil.InlineMethod[] {
new DeodexUtil.InlineMethod(Static, "Lorg/apache/harmony/dalvik/NativeTestTarget;", "emptyInlineMethod", "", "V"),
new DeodexUtil.InlineMethod(Virtual, "Ljava/lang/String;", "charAt", "I", "C"),
new DeodexUtil.InlineMethod(Virtual, "Ljava/lang/String;", "compareTo", "Ljava/lang/String;", "I"),
new DeodexUtil.InlineMethod(Virtual, "Ljava/lang/String;", "equals", "Ljava/lang/Object;", "Z"),
//froyo: deodexUtil.new InlineMethod(Virtual, "Ljava/lang/String;", "indexOf", "I", "I"),
//gingerbread: deodexUtil.new InlineMethod(Virtual, "Ljava/lang/String;", "fastIndexOf", "II", "I"),
null,
//froyo: deodexUtil.new InlineMethod(Virtual, "Ljava/lang/String;", "indexOf", "II", "I"),
//gingerbread: deodexUtil.new InlineMethod(Virtual, "Ljava/lang/String;", "isEmpty", "", "Z"),
null,
new DeodexUtil.InlineMethod(Virtual, "Ljava/lang/String;", "length", "", "I"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Math;", "abs", "I", "I"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Math;", "abs", "J", "J"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Math;", "abs", "F", "F"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Math;", "abs", "D", "D"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Math;", "min", "II", "I"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Math;", "max", "II", "I"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Math;", "sqrt", "D", "D"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Math;", "cos", "D", "D"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Math;", "sin", "D", "D"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Float;", "floatToIntBits", "F", "I"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Float;", "floatToRawIntBits", "F", "I"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Float;", "intBitsToFloat", "I", "F"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Double;", "doubleToLongBits", "D", "J"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Double;", "doubleToRawLongBits", "D", "J"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/Double;", "longBitsToDouble", "J", "D"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/StrictMath;", "abs", "I", "I"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/StrictMath;", "abs", "J", "J"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/StrictMath;", "abs", "F", "F"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/StrictMath;", "abs", "D", "D"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/StrictMath;", "min", "II", "I"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/StrictMath;", "max", "II", "I"),
new DeodexUtil.InlineMethod(Static, "Ljava/lang/StrictMath;", "sqrt", "D", "D"),
};
}
@Override
public DeodexUtil.InlineMethod resolveExecuteInline(AnalyzedInstruction analyzedInstruction) {
assert analyzedInstruction.instruction instanceof OdexedInvokeInline;
OdexedInvokeInline instruction = (OdexedInvokeInline)analyzedInstruction.instruction;
int inlineIndex = instruction.getInlineIndex();
if (inlineIndex < 0 || inlineIndex >= inlineMethods.length) {
throw new RuntimeException("Invalid method index: " + inlineIndex);
}
if (inlineIndex == 4) {
int parameterCount = getParameterCount(instruction);
if (parameterCount == 2) {
return indexOfIMethod;
} else if (parameterCount == 3) {
return fastIndexOfMethod;
} else {
throw new RuntimeException("Could not determine the correct inline method to use");
}
} else if (inlineIndex == 5) {
int parameterCount = getParameterCount(instruction);
if (parameterCount == 3) {
return indexOfIIMethod;
} else if (parameterCount == 1) {
return isEmptyMethod;
} else {
throw new RuntimeException("Could not determine the correct inline method to use");
}
}
return inlineMethods[inlineIndex];
}
private int getParameterCount(OdexedInvokeInline instruction) {
return instruction.getRegCount();
}
}
}