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XXX wip save. I think this might be due to calculating max stack incorrectly due to long/double.

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This commit is contained in:
Adam
2016-04-04 22:25:13 -04:00
parent 3ea32bd123
commit b889d4da98
4 changed files with 54 additions and 80 deletions
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2
src/main/java/net/runelite/asm/attributes/code/Instructions.java
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@@ -1,7 +1,6 @@
package net.runelite.asm.attributes.code;
import net.runelite.asm.attributes.Code;
import net.runelite.asm.attributes.code.instruction.types.JumpingInstruction;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
@@ -9,7 +8,6 @@ import java.io.DataOutputStream;
import java.io.IOException;
import java.lang.reflect.Constructor;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
public class Instructions

119
src/main/java/net/runelite/deob/Deob.java
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@@ -23,74 +23,62 @@ import net.runelite.deob.util.JarUtil;
public class Deob
{
public static void main(String[] args) throws IOException
{
//merge(); if(true) return;
{
long start = System.currentTimeMillis();
ClassGroup group = JarUtil.loadJar(new File(args[0]));
run(group, new RenameUnique());
// remove except RuntimeException
run(group, new RuntimeExceptions());
// remove unused methods
run(group, new UnreachedCode());
run(group, new UnusedMethods());
// remove illegal state exceptions, frees up some parameters
run(group, new IllegalStateExceptions());
// remove constant logically dead parameters
run(group, new ConstantParameter());
// remove unhit blocks
run(group, new UnreachedCode());
run(group, new UnusedMethods());
// run(group, new RenameUnique());
//
// // remove except RuntimeException
// run(group, new RuntimeExceptions());
//
// // remove unused methods
// run(group, new UnreachedCode());
// run(group, new UnusedMethods());
//
// // remove illegal state exceptions, frees up some parameters
// run(group, new IllegalStateExceptions());
//
// // remove constant logically dead parameters
// run(group, new ConstantParameter());
//
// // remove unhit blocks
// run(group, new UnreachedCode());
// run(group, new UnusedMethods());
// remove unused parameters
run(group, new UnusedParameters());
// remove unused fields
run(group, new UnusedFields());
// remove unused methods, again?
run(group, new UnusedMethods());
// run(group, new MethodInliner());
// run(group, new UnusedMethods()); // inliner might leave unused methods
// // broken because rename was removed
// //run(group, new MethodMover());
run(group, new FieldInliner());
// // XXX this is broken because when moving clinit around, some fields can depend on other fields
// // (like multianewarray)
// //new FieldMover().run(group);
run(group, new UnusedClass());
ModArith mod = new ModArith();
mod.run(group);
int last = -1, cur;
while ((cur = mod.runOnce()) > 0)
{
new MultiplicationDeobfuscator().run(group);
new MultiplyOneDeobfuscator().run(group);
new MultiplyZeroDeobfuscator().run(group);
if (last == cur)
break;
last = cur;
}
mod.annotateEncryption();
//
// // remove unused fields
// run(group, new UnusedFields());
//
// // remove unused methods, again?
// run(group, new UnusedMethods());
//
// run(group, new FieldInliner());
//
// run(group, new UnusedClass());
//
// ModArith mod = new ModArith();
// mod.run(group);
//
// int last = -1, cur;
// while ((cur = mod.runOnce()) > 0)
// {
// new MultiplicationDeobfuscator().run(group);
//
// new MultiplyOneDeobfuscator().run(group);
//
// new MultiplyZeroDeobfuscator().run(group);
//
// if (last == cur)
// break;
//
// last = cur;
// }
//
// mod.annotateEncryption();
JarUtil.saveJar(group, new File(args[1]));
@@ -98,15 +86,6 @@ public class Deob
System.out.println("Done in " + ((end - start) / 1000L) + "s");
}
private static void merge() throws IOException
{
ClassGroup group1 = JarUtil.loadJar(new File("d:/rs/07/adamin1.jar")),
group2 = JarUtil.loadJar(new File("d:/rs/07/adamin2.jar"));
//
// Rename2 rename = new Rename2();
// rename.run(group1, group2);
}
public static boolean isObfuscated(String name)
{
return name.length() <= 2 || name.startsWith("method") || name.startsWith("vmethod") || name.startsWith("field") || name.startsWith("class");

9
src/main/java/net/runelite/deob/deobfuscators/UnusedParameters.java
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@@ -39,11 +39,10 @@ public class UnusedParameters implements Deobfuscator
InvokeInstruction ii = (InvokeInstruction) i;
List<Method> methods = ii.getMethods();
if (!unused.containsKey(methods))
return;
//if (!unused.containsKey(methods))
// return;
for (Method m : methods)
invokes.put(i, ictx);
invokes.put(i, ictx);
}
private void buildUnused(ClassGroup group)
@@ -165,6 +164,7 @@ public class UnusedParameters implements Deobfuscator
ii.removeParameter(paramIndex); // remove parameter from instruction
Collection<InstructionContext> ics = invokes.get(i);//execution.getInstructonContexts(i);
assert ics != null;
if (ics != null)
{
InstructionContext ins = ics.toArray(new InstructionContext[0])[0];
@@ -231,6 +231,7 @@ public class UnusedParameters implements Deobfuscator
System.out.println("PASS " + pnum++ + " " + i);
count += i;
break;
}
while (i > 0);

4
src/test/java/net/runelite/deob/deobfuscators/UnusedParametersTest.java
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@@ -2,13 +2,9 @@ package net.runelite.deob.deobfuscators;
import java.io.File;
import java.io.IOException;
import java.util.List;
import net.runelite.asm.ClassGroup;
import net.runelite.asm.Method;
import net.runelite.asm.signature.util.VirtualMethods;
import net.runelite.deob.util.JarUtil;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;