Example usage for org.objectweb.asm Opcodes DUP

List of usage examples for org.objectweb.asm Opcodes DUP

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

Prototype

int DUP

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Usage

From source file:io.syncframework.optimizer.OControllerClassVisitor.java

License:Apache License

/**
 * Generates _asActions() method as following:
 * /*from   ww  w .  j ava  2 s. co  m*/
 * if(name.equals("upload"))
 *    return upload();
 * else if(name.equals("save"))
 *    return save();
 * else if(name.equals("main"))
 *    return main();
 * else if(name.equals("redir"))
 *    return redir();
 * else
 *    throw new RuntimeException("no action named "+name);
 */
private void createActionMethod() {
    StringBuilder sb = new StringBuilder();
    sb.append("(").append(Type.getType(String.class)).append(")").append(Type.getType(Result.class));
    String desc = sb.toString();

    MethodVisitor mv = cv.visitMethod(Opcodes.ACC_PUBLIC, "_asAction", desc, null, null);

    Label start = new Label();
    Label next = new Label();
    Label variable = new Label();
    boolean first = true;

    for (String name : reflector.getActions().keySet()) {
        Label l0 = null;
        Label l1 = new Label();

        if (first) {
            l0 = new Label();
            first = false;
        } else {
            l0 = next;
            next = new Label();
        }

        mv.visitLabel(l0);
        if (!first) {
            mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
        }
        mv.visitVarInsn(Opcodes.ALOAD, 1);
        mv.visitLdcInsn(name);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/String", "equals", "(Ljava/lang/Object;)Z", false);
        mv.visitJumpInsn(Opcodes.IFEQ, next);

        mv.visitLabel(l1);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, reflector.getClazzInternalName(), name,
                "()" + Type.getType(Result.class), false);
        mv.visitInsn(Opcodes.ARETURN);
    }

    mv.visitLabel(next);
    mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
    mv.visitTypeInsn(Opcodes.NEW, "java/lang/NoSuchMethodException");
    mv.visitInsn(Opcodes.DUP);
    mv.visitTypeInsn(Opcodes.NEW, "java/lang/StringBuilder");
    mv.visitInsn(Opcodes.DUP);
    mv.visitLdcInsn("no @Action named ");
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "(Ljava/lang/String;)V",
            false);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", "append",
            "(Ljava/lang/String;)Ljava/lang/StringBuilder;", false);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;",
            false);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/NoSuchMethodException", "<init>",
            "(Ljava/lang/String;)V", false);
    mv.visitInsn(Opcodes.ATHROW);

    mv.visitLabel(variable);
    mv.visitLocalVariable("this", reflector.getClazzDescriptor(), null, start, next, 0);
    mv.visitLocalVariable("name", "Ljava/lang/String;", null, start, next, 1);

    mv.visitMaxs(5, 2);
    mv.visitEnd();
}

From source file:io.syncframework.optimizer.OControllerStaticMethodVisitor.java

License:Apache License

public void visitInsn(int opcode) {
    if (opcode != Opcodes.RETURN) {
        mv.visitInsn(opcode);//from w  w  w .  ja  va  2s.  com
        return;
    }

    Label start = new Label();
    Label l1 = new Label();
    Label l2 = new Label();
    Label interceptorsLabel = new Label();

    mv.visitCode();
    mv.visitTryCatchBlock(start, l1, l2, "java/lang/Throwable");

    /*
     * _asActions = new HashMap<String,Boolean>();
     */
    {
        mv.visitLabel(start);
        mv.visitTypeInsn(Opcodes.NEW, "java/util/HashMap");
        mv.visitInsn(Opcodes.DUP);
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/HashMap", "<init>", "()V", false);
        mv.visitFieldInsn(Opcodes.PUTSTATIC, reflector.getClazzInternalName(), "_asActions", "Ljava/util/Map;");
    }
    /*
     * _asActions.put("main", true);
     * _asActions.put("action1", true);
     */
    for (String name : reflector.getActions().keySet()) {
        Label l = new Label();
        mv.visitLabel(l);
        mv.visitFieldInsn(Opcodes.GETSTATIC, reflector.getClazzInternalName(), "_asActions", "Ljava/util/Map;");
        mv.visitLdcInsn(name);
        mv.visitInsn(Opcodes.ICONST_1);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Boolean", "valueOf", "(Z)Ljava/lang/Boolean;",
                false);
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Map", "put",
                "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;", true);
        mv.visitInsn(Opcodes.POP);
    }

    /*
     * _asInterceptors = new HashMap<String,Class<?>[]>()
     */
    {
        Label l = new Label();
        mv.visitLabel(l);
        mv.visitTypeInsn(Opcodes.NEW, "java/util/HashMap");
        mv.visitInsn(Opcodes.DUP);
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/HashMap", "<init>", "()V", false);
        mv.visitFieldInsn(Opcodes.PUTSTATIC, reflector.getClazzInternalName(), "_asInterceptors",
                "Ljava/util/Map;");
    }

    /*
     * List<Class<?>> l = new ArrayList<Class<?>>();
     */
    mv.visitLabel(interceptorsLabel);
    mv.visitTypeInsn(Opcodes.NEW, "java/util/ArrayList");
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/ArrayList", "<init>", "()V", false);
    mv.visitVarInsn(Opcodes.ASTORE, 0);

    for (String name : reflector.getActions().keySet()) {
        Class<?> interceptors[] = reflector.getInterceptors().get(name);
        if (interceptors == null || interceptors.length == 0)
            continue;

        /*
         * l.clear();
         */
        Label l01 = new Label();
        mv.visitLabel(l01);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "clear", "()V", true);

        for (Class<?> interceptor : interceptors) {
            /*
             * l.add(LoginInterceptor.class);
             */
            Label l02 = new Label();
            mv.visitLabel(l02);
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitLdcInsn(Type.getType(interceptor));
            mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "add", "(Ljava/lang/Object;)Z", true);
        }

        /*
         * _asInterceptors.put("upload", l.toArray(new Class[0]));
         */
        Label l03 = new Label();
        mv.visitLabel(l03);
        mv.visitFieldInsn(Opcodes.GETSTATIC, reflector.getClazzInternalName(), "_asInterceptors",
                "Ljava/util/Map;");
        mv.visitLdcInsn(name);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitInsn(Opcodes.ICONST_0);
        mv.visitTypeInsn(Opcodes.ANEWARRAY, "java/lang/Class");
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "toArray",
                "([Ljava/lang/Object;)[Ljava/lang/Object;", true);
        mv.visitTypeInsn(Opcodes.CHECKCAST, "[Ljava/lang/Class;");
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Map", "put",
                "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;", true);
        mv.visitInsn(Opcodes.POP);
    }

    /* 
     * _asParameters = new HashMap<String,Class<?>>() 
     */
    {
        Label l = new Label();
        mv.visitLabel(l);
        mv.visitTypeInsn(Opcodes.NEW, "java/util/HashMap");
        mv.visitInsn(Opcodes.DUP);
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/HashMap", "<init>", "()V", false);
        mv.visitFieldInsn(Opcodes.PUTSTATIC, reflector.getClazzInternalName(), "_asParameters",
                "Ljava/util/Map;");
    }
    /*
     * _asParameters.put("name", Type.class);
     */
    for (String name : reflector.getParameters().keySet()) {
        Label l = new Label();
        mv.visitLabel(l);
        mv.visitFieldInsn(Opcodes.GETSTATIC, reflector.getClazzInternalName(), "_asParameters",
                "Ljava/util/Map;");
        mv.visitLdcInsn(name);
        mv.visitLdcInsn(Type.getType(reflector.getParameters().get(name)));
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Map", "put",
                "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;", true);
        mv.visitInsn(Opcodes.POP);
    }

    /* 
     * _asConverters = new HashMap<String,Class<?>>() 
     */
    {
        Label l = new Label();
        mv.visitLabel(l);
        mv.visitTypeInsn(Opcodes.NEW, "java/util/HashMap");
        mv.visitInsn(Opcodes.DUP);
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/HashMap", "<init>", "()V", false);
        mv.visitFieldInsn(Opcodes.PUTSTATIC, reflector.getClazzInternalName(), "_asConverters",
                "Ljava/util/Map;");
    }
    /*
     * _asConverters.put("name", Type.class);
     */
    for (String name : reflector.getParameters().keySet()) {
        if (reflector.getConverters().get(name) != null) {
            Class<?> converter = reflector.getConverters().get(name);
            Label l = new Label();
            mv.visitLabel(l);
            mv.visitFieldInsn(Opcodes.GETSTATIC, reflector.getClazzInternalName(), "_asConverters",
                    "Ljava/util/Map;");
            mv.visitLdcInsn(name);
            mv.visitLdcInsn(Type.getType(converter));
            mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Map", "put",
                    "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;", true);
            mv.visitInsn(Opcodes.POP);
        }
    }

    /*
     * }
     * catch(Throwable t) {
     *    throw t;
     * }
     */
    Label throwableStart = new Label();
    Label throwableEnd = new Label();

    mv.visitLabel(l1);
    mv.visitJumpInsn(Opcodes.GOTO, throwableEnd);
    mv.visitLabel(l2);
    mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/Throwable" });
    mv.visitVarInsn(Opcodes.ASTORE, 0);
    mv.visitLabel(throwableStart);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitInsn(Opcodes.ATHROW);

    mv.visitLabel(throwableEnd);
    mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
    mv.visitInsn(Opcodes.RETURN);
    mv.visitLocalVariable("l", "Ljava/util/List;", null, interceptorsLabel, l1, 0);
    mv.visitLocalVariable("t", "Ljava/lang/Throwable;", null, throwableStart, throwableEnd, 0);
}

From source file:io.syncframework.optimizer.OInterceptorStaticMethodVisitor.java

License:Apache License

public void visitInsn(int opcode) {
    if (opcode != Opcodes.RETURN) {
        mv.visitInsn(opcode);//from ww w  .  j a  v  a 2 s  .  co m
        return;
    }

    Label start = new Label();
    Label l1 = new Label();
    Label l2 = new Label();

    mv.visitCode();
    mv.visitTryCatchBlock(start, l1, l2, "java/lang/Throwable");

    /* 
     * _asParameters = new HashMap<String,Class<?>>() 
     */
    {
        mv.visitLabel(start);
        mv.visitTypeInsn(Opcodes.NEW, "java/util/HashMap");
        mv.visitInsn(Opcodes.DUP);
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/HashMap", "<init>", "()V", false);
        mv.visitFieldInsn(Opcodes.PUTSTATIC, reflector.getClazzInternalName(), "_asParameters",
                "Ljava/util/Map;");
    }
    /*
     * _asParameters.put("name", Type.class);
     */
    for (String name : reflector.getParameters().keySet()) {
        Label l = new Label();
        mv.visitLabel(l);
        mv.visitFieldInsn(Opcodes.GETSTATIC, reflector.getClazzInternalName(), "_asParameters",
                "Ljava/util/Map;");
        mv.visitLdcInsn(name);
        mv.visitLdcInsn(Type.getType(reflector.getParameters().get(name)));
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Map", "put",
                "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;", true);
        mv.visitInsn(Opcodes.POP);
    }

    /* 
     * _asConverters = new HashMap<String,Class<?>>() 
     */
    {
        Label l = new Label();
        mv.visitLabel(l);
        mv.visitTypeInsn(Opcodes.NEW, "java/util/HashMap");
        mv.visitInsn(Opcodes.DUP);
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/HashMap", "<init>", "()V", false);
        mv.visitFieldInsn(Opcodes.PUTSTATIC, reflector.getClazzInternalName(), "_asConverters",
                "Ljava/util/Map;");
    }
    /*
     * _asConverters.put("name", Type.class);
     */
    for (String name : reflector.getParameters().keySet()) {
        if (reflector.getConverters().get(name) != null) {
            Class<?> converter = reflector.getConverters().get(name);
            Label l = new Label();
            mv.visitLabel(l);
            mv.visitFieldInsn(Opcodes.GETSTATIC, reflector.getClazzInternalName(), "_asConverters",
                    "Ljava/util/Map;");
            mv.visitLdcInsn(name);
            mv.visitLdcInsn(Type.getType(converter));
            mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Map", "put",
                    "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;", true);
            mv.visitInsn(Opcodes.POP);
        }
    }

    /*
     * }
     * catch(Throwable t) {
     *    throw t;
     * }
     */
    Label throwableStart = new Label();
    Label throwableEnd = new Label();

    mv.visitLabel(l1);
    mv.visitJumpInsn(Opcodes.GOTO, throwableEnd);

    mv.visitLabel(l2);
    mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/Throwable" });
    mv.visitVarInsn(Opcodes.ASTORE, 0);

    mv.visitLabel(throwableStart);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitInsn(Opcodes.ATHROW);

    mv.visitLabel(throwableEnd);
    mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
    mv.visitInsn(Opcodes.RETURN);
    mv.visitLocalVariable("t", "Ljava/lang/Throwable;", null, throwableStart, throwableEnd, 0);
}

From source file:jerl.bcm.inj.impl.MethodExceptionHandlerPrintStackTrace.java

License:Apache License

@Override
public void inject(MethodVisitor mv) {
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Throwable", "printStackTrace", "()V");
}

From source file:jpcsp.Allegrex.compiler.CompilerContext.java

License:Open Source License

private void visitContinueToAddress(int returnAddress, boolean returnOnUnknownAddress) {
    //      if (x != returnAddress) {
    //          RuntimeContext.jump(x, returnAddress);
    //      }/*from w  w w  .j a v a  2 s  . co m*/
    Label continueLabel = new Label();
    Label isReturnAddress = new Label();

    mv.visitInsn(Opcodes.DUP);
    loadImm(returnAddress);
    visitJump(Opcodes.IF_ICMPEQ, isReturnAddress);

    if (returnOnUnknownAddress) {
        visitJump();
    } else {
        loadImm(returnAddress);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, runtimeContextInternalName, "jump", "(II)V");
        mv.visitJumpInsn(Opcodes.GOTO, continueLabel);
    }

    mv.visitLabel(isReturnAddress);
    mv.visitInsn(Opcodes.POP);
    mv.visitLabel(continueLabel);
}

From source file:jpcsp.Allegrex.compiler.CompilerContext.java

License:Open Source License

private void visitContinueToAddressInRegister(int reg) {
    //      if (x != cpu.reg) {
    //          RuntimeContext.jump(x, cpu.reg);
    //      }/* w w w .ja v  a  2  s  .  c  om*/
    Label continueLabel = new Label();
    Label isReturnAddress = new Label();

    mv.visitInsn(Opcodes.DUP);
    loadRegister(reg);
    visitJump(Opcodes.IF_ICMPEQ, isReturnAddress);

    loadRegister(reg);
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, runtimeContextInternalName, "jump", "(II)V");
    mv.visitJumpInsn(Opcodes.GOTO, continueLabel);

    mv.visitLabel(isReturnAddress);
    mv.visitInsn(Opcodes.POP);
    mv.visitLabel(continueLabel);
}

From source file:jpcsp.Allegrex.compiler.CompilerContext.java

License:Open Source License

/**
 * Generate the required Java code to load one parameter for
 * the syscall function from the CPU registers.
 *
 * The following code is generated based on the parameter type:
 * Processor: parameterValue = RuntimeContext.processor
 * int:       parameterValue = cpu.gpr[paramIndex++]
 * float:     parameterValue = cpu.fpr[paramFloatIndex++]
 * long:      parameterValue = (cpu.gpr[paramIndex++] & 0xFFFFFFFFL) + ((long) cpu.gpr[paramIndex++]) << 32)
 * boolean:   parameterValue = cpu.gpr[paramIndex++]
 * TPointer,/*ww  w.j a va2  s  .com*/
 * TPointer8,
 * TPointer16,
 * TPointer32,
 * TPointer64,
 * TErrorPointer32:
 *            if (checkMemoryAccess()) {
 *                if (canBeNullParam && address == 0) {
 *                    goto addressGood;
 *                }
 *                if (RuntimeContext.checkMemoryPointer(address)) {
 *                    goto addressGood;
 *                }
 *                cpu.gpr[_v0] = SceKernelErrors.ERROR_INVALID_POINTER;
 *                pop all the parameters already prepared on the stack;
 *                goto afterSyscall;
 *                addressGood:
 *            }
 *            <parameterType> pointer = new <parameterType>(address);
 *            if (parameterType == TErrorPointer32.class) {
 *                parameterReader.setHasErrorPointer(true);
 *                localVar[LOCAL_ERROR_POINTER] = pointer;
 *            }
 *            parameterValue = pointer
 * HLEUidClass defined in annotation:
 *            <parameterType> uidObject = HLEUidObjectMapping.getObject("<parameterType>", uid);
 *            if (uidObject == null) {
 *                cpu.gpr[_v0] = errorValueOnNotFound;
 *                pop all the parameters already prepared on the stack;
 *                goto afterSyscall;
 *            }
 *            parameterValue = uidObject
 *
 * And then common for all the types:
 *            try {
 *                parameterValue = <module>.<methodToCheck>(parameterValue);
 *            } catch (SceKernelErrorException e) {
 *                goto catchSceKernelErrorException;
 *            }
 *            push parameterValue on stack
 *
 * @param parameterReader               the current parameter state
 * @param func                          the syscall function
 * @param parameterType                 the type of the parameter
 * @param afterSyscallLabel             the Label pointing after the call to the syscall function
 * @param catchSceKernelErrorException  the Label pointing to the SceKernelErrorException catch handler
 */
private void loadParameter(CompilerParameterReader parameterReader, HLEModuleFunction func,
        Class<?> parameterType, Annotation[] parameterAnnotations, Label afterSyscallLabel,
        Label catchSceKernelErrorException) {
    if (parameterType == Processor.class) {
        loadProcessor();
        parameterReader.incrementCurrentStackSize();
    } else if (parameterType == CpuState.class) {
        loadCpu();
        parameterReader.incrementCurrentStackSize();
    } else if (parameterType == int.class) {
        parameterReader.loadNextInt();
        parameterReader.incrementCurrentStackSize();
    } else if (parameterType == float.class) {
        parameterReader.loadNextFloat();
        parameterReader.incrementCurrentStackSize();
    } else if (parameterType == long.class) {
        parameterReader.loadNextLong();
        parameterReader.incrementCurrentStackSize(2);
    } else if (parameterType == boolean.class) {
        parameterReader.loadNextInt();
        parameterReader.incrementCurrentStackSize();
    } else if (parameterType == String.class) {
        parameterReader.loadNextInt();

        int maxLength = 16 * 1024;
        for (Annotation parameterAnnotation : parameterAnnotations) {
            if (parameterAnnotation instanceof StringInfo) {
                StringInfo stringInfo = ((StringInfo) parameterAnnotation);
                maxLength = stringInfo.maxLength();
                break;
            }
        }
        loadImm(maxLength);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, runtimeContextInternalName, "readStringNZ",
                "(II)" + Type.getDescriptor(String.class));
        parameterReader.incrementCurrentStackSize();
    } else if (parameterType == PspString.class) {
        parameterReader.loadNextInt();

        int maxLength = 16 * 1024;
        boolean canBeNull = false;
        for (Annotation parameterAnnotation : parameterAnnotations) {
            if (parameterAnnotation instanceof StringInfo) {
                StringInfo stringInfo = ((StringInfo) parameterAnnotation);
                maxLength = stringInfo.maxLength();
            }
            if (parameterAnnotation instanceof CanBeNull) {
                canBeNull = true;
            }
        }
        loadImm(maxLength);
        loadImm(canBeNull);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, runtimeContextInternalName, "readPspStringNZ",
                "(IIZ)" + Type.getDescriptor(PspString.class));
        parameterReader.incrementCurrentStackSize();
    } else if (parameterType == TPointer.class || parameterType == TPointer8.class
            || parameterType == TPointer16.class || parameterType == TPointer32.class
            || parameterType == TPointer64.class || parameterType == TErrorPointer32.class) {
        // if (checkMemoryAccess()) {
        //     if (canBeNullParam && address == 0) {
        //         goto addressGood;
        //     }
        //     if (RuntimeContext.checkMemoryPointer(address)) {
        //         goto addressGood;
        //     }
        //     cpu.gpr[_v0] = SceKernelErrors.ERROR_INVALID_POINTER;
        //     pop all the parameters already prepared on the stack;
        //     goto afterSyscall;
        //     addressGood:
        // }
        // <parameterType> pointer = new <parameterType>(address);
        // if (parameterType == TErrorPointer32.class) {
        //     parameterReader.setHasErrorPointer(true);
        //     localVar[LOCAL_ERROR_POINTER] = pointer;
        // }
        mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(parameterType));
        mv.visitInsn(Opcodes.DUP);
        loadMemory();
        parameterReader.loadNextInt();

        boolean canBeNull = false;
        for (Annotation parameterAnnotation : parameterAnnotations) {
            if (parameterAnnotation instanceof CanBeNull) {
                canBeNull = true;
                break;
            }
        }

        if (checkMemoryAccess() && afterSyscallLabel != null) {
            Label addressGood = new Label();
            if (canBeNull) {
                mv.visitInsn(Opcodes.DUP);
                mv.visitJumpInsn(Opcodes.IFEQ, addressGood);
            }
            mv.visitInsn(Opcodes.DUP);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, runtimeContextInternalName, "checkMemoryPointer", "(I)Z");
            mv.visitJumpInsn(Opcodes.IFNE, addressGood);
            storeRegister(_v0, SceKernelErrors.ERROR_INVALID_POINTER);
            parameterReader.popAllStack(4);
            mv.visitJumpInsn(Opcodes.GOTO, afterSyscallLabel);
            mv.visitLabel(addressGood);
        }
        if (parameterType == TPointer8.class || parameterType == TPointer16.class
                || parameterType == TPointer32.class || parameterType == TPointer64.class) {
            loadImm(canBeNull);
            mv.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(parameterType), "<init>",
                    "(" + memoryDescriptor + "IZ)V");
        } else {
            mv.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(parameterType), "<init>",
                    "(" + memoryDescriptor + "I)V");
        }
        if (parameterType == TErrorPointer32.class) {
            parameterReader.setHasErrorPointer(true);
            mv.visitInsn(Opcodes.DUP);
            mv.visitVarInsn(Opcodes.ASTORE, LOCAL_ERROR_POINTER);
        }
        parameterReader.incrementCurrentStackSize();
    } else if (pspAbstractMemoryMappedStructure.class.isAssignableFrom(parameterType)) {
        parameterReader.loadNextInt();

        boolean canBeNull = false;
        for (Annotation parameterAnnotation : parameterAnnotations) {
            if (parameterAnnotation instanceof CanBeNull) {
                canBeNull = true;
                break;
            }
        }

        if (checkMemoryAccess() && afterSyscallLabel != null) {
            Label addressGood = new Label();
            if (canBeNull) {
                mv.visitInsn(Opcodes.DUP);
                mv.visitJumpInsn(Opcodes.IFEQ, addressGood);
            }
            mv.visitInsn(Opcodes.DUP);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, runtimeContextInternalName, "checkMemoryPointer", "(I)Z");
            mv.visitJumpInsn(Opcodes.IFNE, addressGood);
            storeRegister(_v0, SceKernelErrors.ERROR_INVALID_POINTER);
            parameterReader.popAllStack(1);
            mv.visitJumpInsn(Opcodes.GOTO, afterSyscallLabel);
            mv.visitLabel(addressGood);
        }

        mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(parameterType));
        mv.visitInsn(Opcodes.DUP);
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(parameterType), "<init>", "()V");
        mv.visitInsn(Opcodes.DUP_X1);
        mv.visitInsn(Opcodes.SWAP);
        loadMemory();
        mv.visitInsn(Opcodes.SWAP);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(parameterType), "read",
                "(" + memoryDescriptor + "I)V");
        parameterReader.incrementCurrentStackSize();
    } else {
        HLEUidClass hleUidClass = parameterType.getAnnotation(HLEUidClass.class);
        if (hleUidClass != null) {
            int errorValueOnNotFound = hleUidClass.errorValueOnNotFound();

            // <parameterType> uidObject = HLEUidObjectMapping.getObject("<parameterType>", uid);
            // if (uidObject == null) {
            //     cpu.gpr[_v0] = errorValueOnNotFound;
            //     pop all the parameters already prepared on the stack;
            //     goto afterSyscall;
            // }
            mv.visitLdcInsn(parameterType.getName());
            // Load the UID
            parameterReader.loadNextInt();

            // Load the UID Object
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(HLEUidObjectMapping.class),
                    "getObject",
                    "(" + Type.getDescriptor(String.class) + "I)" + Type.getDescriptor(Object.class));
            if (afterSyscallLabel != null) {
                Label foundUid = new Label();
                mv.visitInsn(Opcodes.DUP);
                mv.visitJumpInsn(Opcodes.IFNONNULL, foundUid);
                storeRegister(_v0, errorValueOnNotFound);
                parameterReader.popAllStack(1);
                mv.visitJumpInsn(Opcodes.GOTO, afterSyscallLabel);
                mv.visitLabel(foundUid);
            }
            mv.visitTypeInsn(Opcodes.CHECKCAST, Type.getInternalName(parameterType));
            parameterReader.incrementCurrentStackSize();
        } else {
            log.error(String.format("Unsupported sycall parameter type '%s'", parameterType.getName()));
            Emulator.PauseEmuWithStatus(Emulator.EMU_STATUS_UNIMPLEMENTED);
        }
    }

    Method methodToCheck = null;
    if (afterSyscallLabel != null) {
        for (Annotation parameterAnnotation : parameterAnnotations) {
            if (parameterAnnotation instanceof CheckArgument) {
                CheckArgument checkArgument = (CheckArgument) parameterAnnotation;
                try {
                    methodToCheck = func.getHLEModule().getClass().getMethod(checkArgument.value(),
                            parameterType);
                } catch (Exception e) {
                    log.error(String.format("CheckArgument method '%s' not found in %s", checkArgument.value(),
                            func.getModuleName()), e);
                }
                break;
            }
        }
    }

    if (methodToCheck != null) {
        // try {
        //     parameterValue = <module>.<methodToCheck>(parameterValue);
        // } catch (SceKernelErrorException e) {
        //     goto catchSceKernelErrorException;
        // }
        loadModule(func.getModuleName());
        mv.visitInsn(Opcodes.SWAP);

        Label tryStart = new Label();
        Label tryEnd = new Label();
        mv.visitTryCatchBlock(tryStart, tryEnd, catchSceKernelErrorException,
                Type.getInternalName(SceKernelErrorException.class));

        mv.visitLabel(tryStart);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(methodToCheck.getDeclaringClass()),
                methodToCheck.getName(),
                "(" + Type.getDescriptor(parameterType) + ")" + Type.getDescriptor(parameterType));
        mv.visitLabel(tryEnd);
    }

    parameterReader.incrementCurrentParameterIndex();
}

From source file:jpcsp.Allegrex.compiler.CompilerContext.java

License:Open Source License

private void logSyscall(HLEModuleFunction func, String logPrefix, String logCheckFunction, String logFunction) {
    // Modules.getLogger(func.getModuleName()).warn("Unimplemented...");
    loadModuleLoggger(func);//w w w  .  j  a  v  a2 s .  c  o  m
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(Logger.class), logCheckFunction, "()Z");
    Label loggingDisabled = new Label();
    mv.visitJumpInsn(Opcodes.IFEQ, loggingDisabled);

    loadModuleLoggger(func);

    StringBuilder formatString = new StringBuilder();
    if (logPrefix != null) {
        formatString.append(logPrefix);
    }
    formatString.append(func.getFunctionName());
    ParameterInfo[] parameters = new ClassAnalyzer().getParameters(func.getFunctionName(),
            func.getHLEModuleMethod().getDeclaringClass());
    if (parameters != null) {
        // Log message:
        //    String.format(
        //       "Unimplemented <function name>
        //                 <parameterIntegerName>=0x%X,
        //                 <parameterBooleanName>=%b,
        //                 <parameterLongName>=0x%X,
        //                 <parameterFloatName>=%f,
        //                 <parameterOtherTypeName>=%s",
        //       new Object[] {
        //                 new Integer(parameterValueInteger),
        //                 new Boolean(parameterValueBoolean),
        //                 new Long(parameterValueLong),
        //                 new Float(parameterValueFloat),
        //                 parameterValueOtherTypes
        //       })
        loadImm(parameters.length);
        mv.visitTypeInsn(Opcodes.ANEWARRAY, Type.getInternalName(Object.class));
        CompilerParameterReader parameterReader = new CompilerParameterReader(this);
        Annotation[][] paramsAnotations = func.getHLEModuleMethod().getParameterAnnotations();
        int objectArrayIndex = 0;
        for (int paramIndex = 0; paramIndex < parameters.length; paramIndex++) {
            ParameterInfo parameter = parameters[paramIndex];
            Class<?> parameterType = parameter.type;
            CompilerTypeInformation typeInformation = compilerTypeManager
                    .getCompilerTypeInformation(parameterType);

            mv.visitInsn(Opcodes.DUP);
            loadImm(objectArrayIndex);

            formatString.append(paramIndex > 0 ? ", " : " ");
            formatString.append(parameter.name);
            formatString.append("=");
            formatString.append(typeInformation.formatString);

            if (typeInformation.boxingTypeInternalName != null) {
                mv.visitTypeInsn(Opcodes.NEW, typeInformation.boxingTypeInternalName);
                mv.visitInsn(Opcodes.DUP);
            }

            loadParameter(parameterReader, func, parameterType, paramsAnotations[paramIndex], null, null);

            if (typeInformation.boxingTypeInternalName != null) {
                mv.visitMethodInsn(Opcodes.INVOKESPECIAL, typeInformation.boxingTypeInternalName, "<init>",
                        typeInformation.boxingMethodDescriptor);
            }
            mv.visitInsn(Opcodes.AASTORE);

            objectArrayIndex++;
        }
        mv.visitLdcInsn(formatString.toString());
        mv.visitInsn(Opcodes.SWAP);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(String.class), "format",
                "(" + Type.getDescriptor(String.class) + "[" + Type.getDescriptor(Object.class) + ")"
                        + Type.getDescriptor(String.class));
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(Logger.class), logFunction,
                "(" + Type.getDescriptor(Object.class) + ")V");

        parameterReader = new CompilerParameterReader(this);
        for (int paramIndex = 0; paramIndex < parameters.length; paramIndex++) {
            ParameterInfo parameter = parameters[paramIndex];
            Class<?> parameterType = parameter.type;

            LengthInfo lengthInfo = BufferInfo.defaultLengthInfo;
            int length = BufferInfo.defaultLength;
            Usage usage = BufferInfo.defaultUsage;
            for (Annotation parameterAnnotation : paramsAnotations[paramIndex]) {
                if (parameterAnnotation instanceof BufferInfo) {
                    BufferInfo bufferInfo = (BufferInfo) parameterAnnotation;
                    lengthInfo = bufferInfo.lengthInfo();
                    length = bufferInfo.length();
                    usage = bufferInfo.usage();
                }
            }

            boolean parameterRead = false;
            if ((usage == Usage.in || usage == Usage.inout)
                    && (lengthInfo != LengthInfo.unknown || parameterType == TPointer16.class
                            || parameterType == TPointer32.class || parameterType == TPointer64.class)) {
                loadModuleLoggger(func);
                loadImm(1);
                mv.visitTypeInsn(Opcodes.ANEWARRAY, Type.getInternalName(Object.class));
                mv.visitInsn(Opcodes.DUP);
                loadImm(0);

                Label done = new Label();
                Label addressNull = new Label();
                parameterReader.loadNextInt();
                parameterRead = true;
                mv.visitInsn(Opcodes.DUP);
                mv.visitJumpInsn(Opcodes.IFEQ, addressNull);

                String format = String.format("%s[%s]:%%s", parameter.name, usage);
                boolean useMemoryDump = true;

                switch (lengthInfo) {
                case fixedLength:
                    loadImm(length);
                    break;
                case nextNextParameter:
                    parameterReader.skipNextInt();
                    paramIndex++;
                    parameterReader.loadNextInt();
                    paramIndex++;
                    break;
                case nextParameter:
                    parameterReader.loadNextInt();
                    paramIndex++;
                    break;
                case previousParameter:
                    // Go back to the address parameter
                    parameterReader.rewindPreviousInt();
                    // Go back to the previous parameter
                    parameterReader.rewindPreviousInt();
                    // Load the length from the previous parameter
                    parameterReader.loadNextInt();
                    // Skip again the address parameter
                    // to come back to the above situation
                    parameterReader.skipNextInt();
                    break;
                case variableLength:
                    mv.visitInsn(Opcodes.DUP);
                    loadMemory();
                    mv.visitInsn(Opcodes.SWAP);
                    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, memoryInternalName, "read32", "(I)I");
                    break;
                case unknown:
                    useMemoryDump = false;
                    format = String.format("%s[%s]: 0x%%X", parameter.name, usage);
                    loadMemory();
                    mv.visitInsn(Opcodes.SWAP);
                    if (parameterType == TPointer64.class) {
                        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, memoryInternalName, "read64", "(I)J");
                        mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(Long.class));
                        mv.visitInsn(Opcodes.DUP);
                        mv.visitInsn(Opcodes.DUP2_X2);
                        mv.visitInsn(Opcodes.POP2);
                        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Long.class), "<init>",
                                "(J)V");
                    } else if (parameterType == TPointer16.class) {
                        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, memoryInternalName, "read16", "(I)I");
                        mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(Integer.class));
                        mv.visitInsn(Opcodes.DUP_X1);
                        mv.visitInsn(Opcodes.SWAP);
                        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Integer.class), "<init>",
                                "(I)V");
                    } else {
                        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, memoryInternalName, "read32", "(I)I");
                        mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(Integer.class));
                        mv.visitInsn(Opcodes.DUP_X1);
                        mv.visitInsn(Opcodes.SWAP);
                        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Integer.class), "<init>",
                                "(I)V");
                    }
                    break;
                default:
                    log.error(String.format("Unimplemented lengthInfo=%s", lengthInfo));
                    break;
                }

                if (useMemoryDump) {
                    mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(Utilities.class),
                            "getMemoryDump", "(II)" + Type.getDescriptor(String.class));
                }
                mv.visitInsn(Opcodes.AASTORE);

                mv.visitLdcInsn(format);
                mv.visitInsn(Opcodes.SWAP);
                mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(String.class), "format",
                        "(" + Type.getDescriptor(String.class) + "[" + Type.getDescriptor(Object.class) + ")"
                                + Type.getDescriptor(String.class));
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(Logger.class), logFunction,
                        "(" + Type.getDescriptor(Object.class) + ")V");
                mv.visitJumpInsn(Opcodes.GOTO, done);

                mv.visitLabel(addressNull);
                mv.visitInsn(Opcodes.POP);
                mv.visitInsn(Opcodes.POP2);
                mv.visitInsn(Opcodes.POP2);
                mv.visitLabel(done);
            }

            if (!parameterRead) {
                if (parameterType == long.class) {
                    parameterReader.skipNextLong();
                } else if (parameterType == float.class) {
                    parameterReader.skipNextFloat();
                } else {
                    parameterReader.skipNextInt();
                }
            }
        }
    } else {
        mv.visitLdcInsn(formatString.toString());
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(Logger.class), logFunction,
                "(" + Type.getDescriptor(Object.class) + ")V");
    }

    mv.visitLabel(loggingDisabled);
}

From source file:jpcsp.Allegrex.compiler.CompilerContext.java

License:Open Source License

private void logSyscallEnd(HLEModuleFunction func, boolean isErrorCode) {
    String loggingLevel = getLoggingLevel(func);
    if (loggingLevel == null) {
        return;//from  ww w .j a  va2s  .  c om
    }
    String logCheckFunction = getLogCheckFunction(loggingLevel);

    // if (Modules.getLogger(func.getModuleName()).isDebugEnabled()) {
    //     Modules.getLogger(func.getModuleName()).debug(String.format("<function name> returning 0x%X", new Object[1] { new Integer(returnValue) }));
    // }
    loadModuleLoggger(func);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(Logger.class), logCheckFunction, "()Z");
    Label notDebug = new Label();
    mv.visitJumpInsn(Opcodes.IFEQ, notDebug);

    boolean isReturningVoid = func.getHLEModuleMethod().getReturnType() == void.class;

    mv.visitInsn(Opcodes.DUP);
    mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(Integer.class));
    mv.visitInsn(Opcodes.DUP_X1);
    mv.visitInsn(Opcodes.SWAP);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Integer.class), "<init>", "(I)V");
    loadImm(1);
    mv.visitTypeInsn(Opcodes.ANEWARRAY, Type.getInternalName(Object.class));
    mv.visitInsn(Opcodes.DUP_X1);
    mv.visitInsn(Opcodes.SWAP);
    loadImm(0);
    mv.visitInsn(Opcodes.SWAP);
    mv.visitInsn(Opcodes.AASTORE);
    String prefix = func.isUnimplemented() && !codeBlock.isHLEFunction() ? "Unimplemented " : "";
    mv.visitLdcInsn(String.format("%s%s returning %s%s", prefix, func.getFunctionName(),
            isErrorCode ? "errorCode " : "", isReturningVoid ? "void" : "0x%X"));
    mv.visitInsn(Opcodes.SWAP);
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(String.class), "format",
            "(" + Type.getDescriptor(String.class) + "[" + Type.getDescriptor(Object.class) + ")"
                    + Type.getDescriptor(String.class));
    loadModuleLoggger(func);
    mv.visitInsn(Opcodes.SWAP);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(Logger.class), loggingLevel,
            "(" + Type.getDescriptor(Object.class) + ")V");

    if (!isErrorCode) {
        ParameterInfo[] parameters = new ClassAnalyzer().getParameters(func.getFunctionName(),
                func.getHLEModuleMethod().getDeclaringClass());
        if (parameters != null) {
            CompilerParameterReader parameterReader;
            if (parametersSavedToLocals) {
                parameterReader = new CompilerLocalVarParameterReader(this, LOCAL_FIRST_SAVED_PARAMETER);
            } else {
                parameterReader = new CompilerParameterReader(this);
            }

            Annotation[][] paramsAnotations = func.getHLEModuleMethod().getParameterAnnotations();
            for (int paramIndex = 0; paramIndex < parameters.length; paramIndex++) {
                ParameterInfo parameter = parameters[paramIndex];
                Class<?> parameterType = parameter.type;

                LengthInfo lengthInfo = BufferInfo.defaultLengthInfo;
                int length = BufferInfo.defaultLength;
                Usage usage = BufferInfo.defaultUsage;
                boolean debugMemory = false;
                for (Annotation parameterAnnotation : paramsAnotations[paramIndex]) {
                    if (parameterAnnotation instanceof BufferInfo) {
                        BufferInfo bufferInfo = (BufferInfo) parameterAnnotation;
                        lengthInfo = bufferInfo.lengthInfo();
                        length = bufferInfo.length();
                        usage = bufferInfo.usage();
                    } else if (parameterAnnotation instanceof DebugMemory) {
                        debugMemory = true;
                    }
                }

                boolean parameterRead = false;
                if ((usage == Usage.out || usage == Usage.inout)
                        && (lengthInfo != LengthInfo.unknown || parameterType == TPointer16.class
                                || parameterType == TPointer32.class || parameterType == TPointer64.class)) {
                    loadModuleLoggger(func);
                    loadImm(1);
                    mv.visitTypeInsn(Opcodes.ANEWARRAY, Type.getInternalName(Object.class));
                    mv.visitInsn(Opcodes.DUP);
                    loadImm(0);

                    Label done = new Label();
                    Label addressNull = new Label();
                    parameterReader.loadNextInt();
                    parameterRead = true;
                    mv.visitInsn(Opcodes.DUP);
                    mv.visitJumpInsn(Opcodes.IFEQ, addressNull);

                    String format = String.format("%s[%s]:%%s", parameter.name, usage);
                    boolean useMemoryDump = true;

                    switch (lengthInfo) {
                    case fixedLength:
                        loadImm(length);
                        break;
                    case nextNextParameter:
                        parameterReader.skipNextInt();
                        paramIndex++;
                        parameterReader.loadNextInt();
                        paramIndex++;
                        break;
                    case nextParameter:
                        parameterReader.loadNextInt();
                        paramIndex++;
                        break;
                    case previousParameter:
                        // Go back to the address parameter
                        parameterReader.rewindPreviousInt();
                        // Go back to the previous parameter
                        parameterReader.rewindPreviousInt();
                        // Load the length from the previous parameter
                        parameterReader.loadNextInt();
                        // Skip again the address parameter
                        // to come back to the above situation
                        parameterReader.skipNextInt();
                        break;
                    case variableLength:
                        mv.visitInsn(Opcodes.DUP);
                        loadMemory();
                        mv.visitInsn(Opcodes.SWAP);
                        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, memoryInternalName, "read32", "(I)I");
                        break;
                    case returnValue:
                        loadRegister(_v0);
                        break;
                    case unknown:
                        useMemoryDump = false;
                        format = String.format("%s[%s]: 0x%%X", parameter.name, usage);
                        loadMemory();
                        mv.visitInsn(Opcodes.SWAP);
                        if (parameterType == TPointer64.class) {
                            if (debugMemory) {
                                mv.visitInsn(Opcodes.DUP);
                                loadImm(8);
                                mv.visitMethodInsn(Opcodes.INVOKESTATIC, runtimeContextInternalName,
                                        "debugMemory", "(II)V");
                            }
                            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, memoryInternalName, "read64", "(I)J");
                            mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(Long.class));
                            mv.visitInsn(Opcodes.DUP);
                            mv.visitInsn(Opcodes.DUP2_X2);
                            mv.visitInsn(Opcodes.POP2);
                            mv.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Long.class),
                                    "<init>", "(J)V");
                        } else if (parameterType == TPointer16.class) {
                            if (debugMemory) {
                                mv.visitInsn(Opcodes.DUP);
                                loadImm(2);
                                mv.visitMethodInsn(Opcodes.INVOKESTATIC, runtimeContextInternalName,
                                        "debugMemory", "(II)V");
                            }
                            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, memoryInternalName, "read16", "(I)I");
                            mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(Integer.class));
                            mv.visitInsn(Opcodes.DUP_X1);
                            mv.visitInsn(Opcodes.SWAP);
                            mv.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Integer.class),
                                    "<init>", "(I)V");
                        } else {
                            if (debugMemory) {
                                mv.visitInsn(Opcodes.DUP);
                                loadImm(4);
                                mv.visitMethodInsn(Opcodes.INVOKESTATIC, runtimeContextInternalName,
                                        "debugMemory", "(II)V");
                            }
                            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, memoryInternalName, "read32", "(I)I");
                            mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(Integer.class));
                            mv.visitInsn(Opcodes.DUP_X1);
                            mv.visitInsn(Opcodes.SWAP);
                            mv.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Integer.class),
                                    "<init>", "(I)V");
                        }
                        break;
                    default:
                        log.error(String.format("Unimplemented lengthInfo=%s", lengthInfo));
                        break;
                    }

                    if (useMemoryDump) {
                        if (debugMemory) {
                            mv.visitInsn(Opcodes.DUP2);
                            mv.visitMethodInsn(Opcodes.INVOKESTATIC, runtimeContextInternalName, "debugMemory",
                                    "(II)V");
                        }
                        mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(Utilities.class),
                                "getMemoryDump", "(II)" + Type.getDescriptor(String.class));
                    }
                    mv.visitInsn(Opcodes.AASTORE);

                    mv.visitLdcInsn(format);
                    mv.visitInsn(Opcodes.SWAP);
                    mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(String.class), "format",
                            "(" + Type.getDescriptor(String.class) + "[" + Type.getDescriptor(Object.class)
                                    + ")" + Type.getDescriptor(String.class));
                    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(Logger.class), loggingLevel,
                            "(" + Type.getDescriptor(Object.class) + ")V");
                    mv.visitJumpInsn(Opcodes.GOTO, done);

                    mv.visitLabel(addressNull);
                    mv.visitInsn(Opcodes.POP);
                    mv.visitInsn(Opcodes.POP2);
                    mv.visitInsn(Opcodes.POP2);
                    mv.visitLabel(done);
                }

                if (!parameterRead) {
                    if (parameterType == long.class) {
                        parameterReader.skipNextLong();
                    } else if (parameterType == float.class) {
                        parameterReader.skipNextFloat();
                    } else {
                        parameterReader.skipNextInt();
                    }
                }
            }
        }
    }

    mv.visitLabel(notDebug);
}

From source file:jpcsp.Allegrex.compiler.CompilerContext.java

License:Open Source License

private void flushInstructionCount(boolean local, boolean last) {
    if (enableIntructionCounting) {
        if (local) {
            if (currentInstructionCount > 0) {
                mv.visitIincInsn(LOCAL_INSTRUCTION_COUNT, currentInstructionCount);
            }//  ww w.  jav  a2  s.  co m
        } else {
            mv.visitFieldInsn(Opcodes.GETSTATIC, runtimeContextInternalName, "currentThread",
                    sceKernalThreadInfoDescriptor);
            mv.visitInsn(Opcodes.DUP);
            mv.visitFieldInsn(Opcodes.GETFIELD, sceKernalThreadInfoInternalName, "runClocks", "J");
            loadLocalVar(LOCAL_INSTRUCTION_COUNT);
            if (currentInstructionCount > 0) {
                loadImm(currentInstructionCount);
                mv.visitInsn(Opcodes.IADD);
            }
            if (Profiler.isProfilerEnabled()) {
                mv.visitInsn(Opcodes.DUP);
                loadImm(getCodeBlock().getStartAddress());
                mv.visitMethodInsn(Opcodes.INVOKESTATIC, profilerInternalName, "addInstructionCount", "(II)V");
            }
            mv.visitInsn(Opcodes.I2L);
            mv.visitInsn(Opcodes.LADD);
            mv.visitFieldInsn(Opcodes.PUTFIELD, sceKernalThreadInfoInternalName, "runClocks", "J");
            if (!last) {
                mv.visitInsn(Opcodes.ICONST_0);
                storeLocalVar(LOCAL_INSTRUCTION_COUNT);
            }
        }
        currentInstructionCount = 0;
    }
}