From a88175ffc95792b88a8724f66db6dda2b8cc32ee Mon Sep 17 00:00:00 2001 From: gegy1000 Date: Tue, 17 Jul 2018 19:14:08 +0200 Subject: ASM Based Class Translator (#1) * Initial port to ASM * Package updates * Annotation + inner class translation * Fix inner class mapping * More bytecode translation * Signature refactoring * Fix highlighting of mapped names * Fix parameter name offset * Fix anonymous class generation * Fix issues with inner class signature transformation * Fix bridged method detection * Fix compile issues * Resolve all failed tests * Apply deobfuscated name to transformed classes * Fix class signatures not being translated * Fix frame array type translation * Fix frame array type translation * Fix array translation in method calls * Fix method reference and bridge detection * Fix handling of null deobf mappings * Parameter translation in interfaces * Fix enum parameter index offset * Fix parsed local variable indexing * Fix stackoverflow on rebuilding method names * Ignore invalid decompiled variable indices * basic source jar * Output directly to file on source export * Make decompile parallel * fix incorrect super calls * Use previous save state to delete old mapping files * Fix old mappings not properly being removed * Fix old mappings not properly being removed * make isMethodProvider public (cherry picked from commit ebad6a9) * speed up Deobfuscator's getSources by using a single TranslatingTypeloader and caching the ClassLoaderTypeloader * ignore .idea project folders * move SynchronizedTypeLoader to a non-inner * fix signature remap of inners for now * index & resolve method/field references for usages view * Allow reader/writer subclasses to provide the underlying file operations * fix giving obf classes a name not removing them from the panel * buffer the ParsedJar class entry inputstream, allow use with a jarinputstream * make CachingClasspathTypeLoader public * make CachingClasspathTypeLoader public * support enum switches with obfuscated SwitchMaps --- .../enigma/bytecode/MethodParametersAttribute.java | 85 ---------------------- 1 file changed, 85 deletions(-) delete mode 100644 src/main/java/cuchaz/enigma/bytecode/MethodParametersAttribute.java (limited to 'src/main/java/cuchaz/enigma/bytecode/MethodParametersAttribute.java') diff --git a/src/main/java/cuchaz/enigma/bytecode/MethodParametersAttribute.java b/src/main/java/cuchaz/enigma/bytecode/MethodParametersAttribute.java deleted file mode 100644 index 57d60fd..0000000 --- a/src/main/java/cuchaz/enigma/bytecode/MethodParametersAttribute.java +++ /dev/null @@ -1,85 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2015 Jeff Martin. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the GNU Lesser General Public - * License v3.0 which accompanies this distribution, and is available at - * http://www.gnu.org/licenses/lgpl.html - *

- * Contributors: - * Jeff Martin - initial API and implementation - ******************************************************************************/ - -package cuchaz.enigma.bytecode; - -import javassist.bytecode.AttributeInfo; -import javassist.bytecode.ConstPool; -import javassist.bytecode.MethodInfo; - -import java.io.ByteArrayOutputStream; -import java.io.DataOutputStream; -import java.io.IOException; -import java.util.ArrayList; -import java.util.List; - -public class MethodParametersAttribute extends AttributeInfo { - - private MethodParametersAttribute(ConstPool pool, List parameterNameIndices) { - super(pool, "MethodParameters", writeStruct(parameterNameIndices)); - } - - public static void updateClass(MethodInfo info, List names) { - - // add the names to the class const pool - ConstPool constPool = info.getConstPool(); - List parameterNameIndices = new ArrayList<>(); - for (String name : names) { - if (name != null) { - parameterNameIndices.add(constPool.addUtf8Info(name)); - } - } - - // add the attribute to the method - info.addAttribute(new MethodParametersAttribute(constPool, parameterNameIndices)); - } - - private static byte[] writeStruct(List parameterNameIndices) { - // JVM 8 Spec says the struct looks like this: - // http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.7.24 - // uint8 num_params - // for each param: - // uint16 name_index -> points to UTF8 entry in constant pool, or 0 for no entry - // uint16 access_flags -> don't care, just set to 0 - - ByteArrayOutputStream buf = new ByteArrayOutputStream(); - DataOutputStream out = new DataOutputStream(buf); - - // NOTE: java hates unsigned integers, so we have to be careful here - // the writeShort(), writeByte() methods will read 16,8 low-order bits from the int argument - // as long as the int argument is in range of the unsigned short/byte type, it will be written as an unsigned short/byte - // if the int is out of range, the byte stream won't look the way we want and weird things will happen - final int SIZEOF_UINT8 = 1; - final int SIZEOF_UINT16 = 2; - final int MAX_UINT8 = (1 << 8) - 1; - final int MAX_UINT16 = (1 << 16) - 1; - - try { - assert (parameterNameIndices.size() >= 0 && parameterNameIndices.size() <= MAX_UINT8); - out.writeByte(parameterNameIndices.size()); - - for (Integer index : parameterNameIndices) { - assert (index >= 0 && index <= MAX_UINT16); - out.writeShort(index); - - // just write 0 for the access flags - out.writeShort(0); - } - - out.close(); - byte[] data = buf.toByteArray(); - assert (data.length == SIZEOF_UINT8 + parameterNameIndices.size() * (SIZEOF_UINT16 + SIZEOF_UINT16)); - return data; - } catch (IOException ex) { - throw new Error(ex); - } - } -} -- cgit v1.2.3