Example usage for org.objectweb.asm Opcodes INVOKESTATIC

Introduction

In this page you can find the example usage for org.objectweb.asm Opcodes INVOKESTATIC.

Prototype

int INVOKESTATIC

To view the source code for org.objectweb.asm Opcodes INVOKESTATIC.

Click Source Link

Usage

From source file:eu.activelogic.instrumentor.thread.vm.ThreadConstructorAdviceCreator.java

License:Apache License

@Override
protected void onMethodExit(int opCode) {
    if (opCode == Opcodes.ATHROW)
        return;/*from   ww  w  .  ja  v  a2s.co m*/
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    if (runnableIndex < 0)
        mv.visitInsn(Opcodes.ACONST_NULL);
    else
        mv.visitVarInsn(Opcodes.ALOAD, runnableIndex);

    mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(ThreadInterceptor.class),
            CREATE_THREAD_METHOD, CREATE_THREAD_METHOD_SIG, false);
}

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From source file:eu.activelogic.instrumentor.thread.vm.ThreadStartAdviceCreator.java

License:Apache License

@Override
protected void onMethodEnter() {
    mv.visitVarInsn(Opcodes.ALOAD, 0);//from ww w. j a  va2 s .  c  om
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(ThreadInterceptor.class), START_METHOD,
            START_METHOD_SIG, false);
}

---

From source file:fr.insalyon.telecom.jooflux.InvokeMethodTransformer.java

License:Mozilla Public License

private boolean isInvokeStatic(MethodInsnNode methodInsnNode) {
    return methodInsnNode.getOpcode() == Opcodes.INVOKESTATIC;
}

---

From source file:fr.theshark34.feelcraft.FeelcraftClassTransformer.java

License:Apache License

/**
 * Patchs the Minecraft class/*from w w w.j  av a  2s .c o  m*/
 * 
 * @param name
 *            The class name
 * @param bytes
 *            The initial class bytes
 * @param obfuscated
 *            If the class is obfuscated
 * @return The modified bytes
 */
public byte[] patchClassASM(String name, byte[] bytes, boolean obfuscated) {
    // Starting the pre init
    Feelcraft.preInit();

    // Printing messages
    logger.info("[Feelcraft] Starting patching Minecraft");
    logger.info("[Feelcraft] Target class : " + name);

    // Getting the target method if the game is obfuscated or not
    String targetMethod;
    if (obfuscated)
        targetMethod = "ag";
    else
        targetMethod = "startGame";

    // Getting the class nod and reading the initial class
    ClassNode classNode = new ClassNode();
    ClassReader classReader = new ClassReader(bytes);
    classReader.accept(classNode, 0);

    // Just a boolean that will be true if the patch will be done to check
    // if it was done
    boolean patchDone = false;

    // Getting the class methods
    Iterator<MethodNode> methods = classNode.methods.iterator();

    // For each method in the class
    while (methods.hasNext()) {
        // Getting the method
        MethodNode m = methods.next();

        // If the method is our target method
        if ((m.name.equals(targetMethod) && m.desc.equals("()V"))) {
            // Printing a message
            logger.info("[Feelcraft] Patching method : " + m.name + m.desc);

            // Insert a line that will call Feelcraft.start at the top of
            // the method
            m.instructions.insertBefore(m.instructions.getFirst(), new MethodInsnNode(Opcodes.INVOKESTATIC,
                    "fr/theshark34/feelcraft/Feelcraft", "start", "()V", false));

            // Setting patchDone to true
            patchDone = true;

            // Stopping the loop
            break;
        }
    }

    // If the patch wasn't done
    if (!patchDone)
        // Printing a warning message
        logger.warn("[Feelcraft] Warning the patch wasn't done ! Some things will not going to work !");

    // Writing the patched class
    logger.info("[Feelcraft] Writing the patched class");
    ClassWriter writer = new ClassWriter(ClassWriter.COMPUTE_MAXS | ClassWriter.COMPUTE_FRAMES);
    classNode.accept(writer);

    // Printing a done message
    if (patchDone)
        logger.info("[Feelcraft] Successfully patched Minecraft !");
    else
        logger.info("[Feelcraft] Done");

    // Returning the modified bytes
    return writer.toByteArray();
}

---

From source file:gemlite.core.internal.measurement.MeasureHelper.java

License:Apache License

public final static void instrumentCheckPoint(String className, MethodNode mn) {
    if (LogUtil.getCoreLog().isTraceEnabled())
        LogUtil.getCoreLog().trace("Found check point, class:" + className + " method:" + mn.name);

    InsnList insn = mn.instructions;// w w  w .  ja v a2  s.c o  m
    List<AbstractInsnNode> returnIndex = new ArrayList<>();
    // return
    int localVarCount = mn.localVariables.size();
    for (int i = 0; i < insn.size(); i++) {
        AbstractInsnNode insnNode = (AbstractInsnNode) insn.get(i);
        switch (insnNode.getOpcode()) {
        case Opcodes.ARETURN:
        case Opcodes.IRETURN:
        case Opcodes.DRETURN:
        case Opcodes.LRETURN:
        case Opcodes.FRETURN:
            returnIndex.add(insnNode.getPrevious());
            break;
        case Opcodes.RETURN:
            returnIndex.add(insnNode);
            break;
        }
    }
    // 
    insn.insert(new VarInsnNode(Opcodes.LSTORE, localVarCount + 2));
    insn.insert(
            new MethodInsnNode(Opcodes.INVOKESTATIC, "java/lang/System", "currentTimeMillis", "()J", false));
    // ?
    for (AbstractInsnNode insnNode : returnIndex) {
        insn.insertBefore(insnNode, new MethodInsnNode(Opcodes.INVOKESTATIC, "java/lang/System",
                "currentTimeMillis", "()J", false));
        insn.insertBefore(insnNode, new VarInsnNode(Opcodes.LSTORE, localVarCount + 4));

        insn.insertBefore(insnNode, new LdcInsnNode(className));
        insn.insertBefore(insnNode, new LdcInsnNode(mn.name));
        insn.insertBefore(insnNode, new VarInsnNode(Opcodes.LLOAD, localVarCount + 2));
        insn.insertBefore(insnNode, new VarInsnNode(Opcodes.LLOAD, localVarCount + 4));
        insn.insertBefore(insnNode,
                new MethodInsnNode(Opcodes.INVOKESTATIC, "gemlite/core/internal/measurement/MeasureHelper",
                        "recordCheckPoint", "(Ljava/lang/String;Ljava/lang/String;JJ)V", false));
    }
}

---

From source file:gnu.classpath.tools.rmic.ClassRmicCompiler.java

License:Open Source License

private static void generateClassForNamer(ClassVisitor cls) {
    MethodVisitor cv = cls.visitMethod(Opcodes.ACC_PRIVATE + Opcodes.ACC_STATIC + Opcodes.ACC_SYNTHETIC,
            forName,//w w  w.ja v  a  2  s .com
            Type.getMethodDescriptor(Type.getType(Class.class), new Type[] { Type.getType(String.class) }),
            null, null);

    Label start = new Label();
    cv.visitLabel(start);
    cv.visitVarInsn(Opcodes.ALOAD, 0);
    cv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(Class.class), "forName",
            Type.getMethodDescriptor(Type.getType(Class.class), new Type[] { Type.getType(String.class) }));
    cv.visitInsn(Opcodes.ARETURN);

    Label handler = new Label();
    cv.visitLabel(handler);
    cv.visitVarInsn(Opcodes.ASTORE, 1);
    cv.visitTypeInsn(Opcodes.NEW, typeArg(NoClassDefFoundError.class));
    cv.visitInsn(Opcodes.DUP);
    cv.visitVarInsn(Opcodes.ALOAD, 1);
    cv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(ClassNotFoundException.class), "getMessage",
            Type.getMethodDescriptor(Type.getType(String.class), new Type[] {}));
    cv.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(NoClassDefFoundError.class), "<init>",
            Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { Type.getType(String.class) }));
    cv.visitInsn(Opcodes.ATHROW);
    cv.visitTryCatchBlock(start, handler, handler, Type.getInternalName(ClassNotFoundException.class));
    cv.visitMaxs(-1, -1);
}

---

From source file:gnu.classpath.tools.rmic.ClassRmicCompiler.java

License:Open Source License

private void generateClassConstant(MethodVisitor cv, Class cls) {
    if (cls.isPrimitive()) {
        Class boxCls;/*from w ww  .j  a  v  a 2  s .  c  o  m*/
        if (cls.equals(Boolean.TYPE))
            boxCls = Boolean.class;
        else if (cls.equals(Character.TYPE))
            boxCls = Character.class;
        else if (cls.equals(Byte.TYPE))
            boxCls = Byte.class;
        else if (cls.equals(Short.TYPE))
            boxCls = Short.class;
        else if (cls.equals(Integer.TYPE))
            boxCls = Integer.class;
        else if (cls.equals(Long.TYPE))
            boxCls = Long.class;
        else if (cls.equals(Float.TYPE))
            boxCls = Float.class;
        else if (cls.equals(Double.TYPE))
            boxCls = Double.class;
        else if (cls.equals(Void.TYPE))
            boxCls = Void.class;
        else
            throw new IllegalArgumentException("unknown primitive type " + cls);

        cv.visitFieldInsn(Opcodes.GETSTATIC, Type.getInternalName(boxCls), "TYPE",
                Type.getDescriptor(Class.class));
        return;
    }
    cv.visitLdcInsn(cls.getName());
    cv.visitMethodInsn(Opcodes.INVOKESTATIC, classInternalName, forName,
            Type.getMethodDescriptor(Type.getType(Class.class), new Type[] { Type.getType(String.class) }));
}

---

From source file:hellfirepvp.astralsorcery.core.patch.fix.CraftingTableFix.java

License:Open Source License

@Override
public void patch(ClassNode cn) {
    MethodNode mn = getMethod(cn, "onBlockActivated", "func_180639_a",
            "(Lnet/minecraft/world/World;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/block/state/IBlockState;Lnet/minecraft/entity/player/EntityPlayer;Lnet/minecraft/util/EnumHand;Lnet/minecraft/util/EnumFacing;FFF)Z");
    AbstractInsnNode newNode = findFirstInstruction(mn, Opcodes.NEW).getPrevious();
    int index = mn.instructions.indexOf(newNode);

    //for (int i = 0; i < 7; i++) {
    //    mn.instructions.remove(mn.instructions.get(index));
    //}/* w  ww .  ja va2  s.  c  o m*/
    AbstractInsnNode insertPrev = mn.instructions.get(index);
    mn.instructions.insertBefore(insertPrev, new VarInsnNode(Opcodes.ALOAD, 4));
    mn.instructions.insertBefore(insertPrev, new VarInsnNode(Opcodes.ALOAD, 2));
    mn.instructions.insertBefore(insertPrev,
            new MethodInsnNode(Opcodes.INVOKESTATIC,
                    "hellfirepvp/astralsorcery/common/network/packet/server/PktCraftingTableFix",
                    "sendOpenCraftingTable",
                    "(Lnet/minecraft/entity/player/EntityPlayer;Lnet/minecraft/util/math/BlockPos;)V", false));
}

---

From source file:hellfirepvp.astralsorcery.core.patch.helper.PatchCatchCustomPayload.java

License:Open Source License

@Override
public void patch(ClassNode cn) {
    //MethodNode mn = getMethod(cn, "handleCustomPayload", "func_147240_a", "(Lnet/minecraft/network/play/server/SPacketCustomPayload;)V");
    //AbstractInsnNode aisn = findFirstInstruction(mn, Opcodes.ALOAD); //Skip the first few setup label things, however still be before everything.
    MethodNode mn = getMethod(cn, "handleCustomPayload", "func_147240_a",
            "(Lnet/minecraft/network/play/server/SPacketCustomPayload;)V");
    AbstractInsnNode asisn = findFirstInstruction(mn, Opcodes.INVOKESTATIC).getNext();
    mn.instructions.insertBefore(asisn, new VarInsnNode(Opcodes.ALOAD, 1));
    mn.instructions.insertBefore(asisn,//from   w  w  w.j  a va 2 s.  c o  m
            new MethodInsnNode(Opcodes.INVOKESTATIC,
                    "hellfirepvp/astralsorcery/common/event/listener/EventHandlerNetwork",
                    "clientCatchWorldHandlerPayload",
                    "(Lnet/minecraft/network/play/server/SPacketCustomPayload;)V", false));
    //mn.instructions.insert(asisn, new MethodInsnNode(Opcodes.INVOKESTATIC, "hellfirepvp/astralsorcery/common/event/listener/EventHandlerNetwork", "clientCatchWorldHandlerPayload", "(Lnet/minecraft/network/play/server/SPacketCustomPayload;)V", false));
}

---

From source file:hellfirepvp.astralsorcery.core.patch.helper.PatchKeyboardEvent.java

License:Open Source License

@Override
public void patch(ClassNode cn) {
    MethodNode mn = getMethod(cn, "runTick", "func_71407_l", "()V");

    MethodInsnNode m = getFirstMethodCall(mn, "net/minecraft/client/Minecraft", "runTickKeyboard",
            "func_184118_az", "()V");
    m.setOpcode(Opcodes.INVOKESTATIC);
    m.owner = "hellfirepvp/astralsorcery/common/event/ClientKeyboardInputEvent";
    m.name = "fireKeyboardEvent";
    m.desc = "(Lnet/minecraft/client/Minecraft;)V";
}

---

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