Examples with PacketStream com.oracle.truffle.espresso.jdwp.impl.PacketStream used on opensource projects

Example 11 with PacketStream

use of com.oracle.truffle.espresso.jdwp.impl.PacketStream in project graal by oracle.

the class VMEventListenerImpl method methodBreakpointHit.

@Override
public void methodBreakpointHit(MethodBreakpointEvent methodEvent, Object currentThread, CallFrame frame) {
    if (connection == null) {
        return;
    }
    PacketStream stream = new PacketStream().commandPacket().commandSet(64).command(100);
    MethodBreakpointInfo info = methodEvent.getInfo();
    stream.writeByte(info.getSuspendPolicy());
    // # events in reply
    stream.writeInt(1);
    stream.writeByte(info.getEventKind());
    stream.writeInt(info.getRequestId());
    long threadId = ids.getIdAsLong(currentThread);
    stream.writeLong(threadId);
    // location
    stream.writeByte(frame.getTypeTag());
    stream.writeLong(frame.getClassId());
    stream.writeLong(frame.getMethodId());
    stream.writeLong(frame.getCodeIndex());
    // return value if requested
    if (info.getEventKind() == RequestedJDWPEvents.METHOD_EXIT_WITH_RETURN_VALUE) {
        Object returnValue = methodEvent.getReturnValue();
        byte tag = context.getTag(returnValue);
        JDWP.writeValue(tag, returnValue, stream, true, context);
    }
    if (holdEvents) {
        heldEvents.add(stream);
    } else {
        connection.queuePacket(stream);
    }
}

Example 12 with PacketStream

use of com.oracle.truffle.espresso.jdwp.impl.PacketStream in project graal by oracle.

the class VMEventListenerImpl method sendMonitorContendedEnteredEvent.

private void sendMonitorContendedEnteredEvent(MonitorEvent monitorEvent, CallFrame currentFrame) {
    if (connection == null) {
        return;
    }
    PacketStream stream = new PacketStream().commandPacket().commandSet(64).command(100);
    stream.writeByte(monitorEvent.getFilter().getSuspendPolicy());
    // # events in reply
    stream.writeInt(1);
    stream.writeByte(RequestedJDWPEvents.MONITOR_CONTENDED_ENTERED);
    stream.writeInt(monitorEvent.getFilter().getRequestId());
    stream.writeLong(currentFrame.getThreadId());
    // tagged object ID
    Object monitor = monitorEvent.getMonitor();
    stream.writeByte(context.getTag(monitor));
    stream.writeLong(context.getIds().getIdAsLong(monitor));
    // location
    stream.writeByte(currentFrame.getTypeTag());
    stream.writeLong(currentFrame.getClassId());
    stream.writeLong(currentFrame.getMethodId());
    long codeIndex = currentFrame.getCodeIndex();
    stream.writeLong(codeIndex);
    JDWP.LOGGER.fine(() -> "Sending monitor contended entered event");
    if (holdEvents) {
        heldEvents.add(stream);
    } else {
        connection.queuePacket(stream);
    }
}

Example 13 with PacketStream

use of com.oracle.truffle.espresso.jdwp.impl.PacketStream in project graal by oracle.

the class VMEventListenerImpl method sendMonitorWaitedEvent.

private void sendMonitorWaitedEvent(Object monitor, boolean timedOut, RequestFilter filter, CallFrame currentFrame) {
    if (connection == null) {
        return;
    }
    PacketStream stream = new PacketStream().commandPacket().commandSet(64).command(100);
    stream.writeByte(filter.getSuspendPolicy());
    // # events in reply
    stream.writeInt(1);
    stream.writeByte(RequestedJDWPEvents.MONITOR_WAITED);
    stream.writeInt(filter.getRequestId());
    stream.writeLong(currentFrame.getThreadId());
    // tagged object ID
    stream.writeByte(context.getTag(monitor));
    stream.writeLong(context.getIds().getIdAsLong(monitor));
    // location
    stream.writeByte(currentFrame.getTypeTag());
    stream.writeLong(currentFrame.getClassId());
    stream.writeLong(currentFrame.getMethodId());
    long codeIndex = currentFrame.getCodeIndex();
    stream.writeLong(codeIndex);
    // timeout
    stream.writeBoolean(timedOut);
    JDWP.LOGGER.fine(() -> "Sending monitor wait event");
    if (holdEvents) {
        heldEvents.add(stream);
    } else {
        connection.queuePacket(stream);
    }
}

Example 14 with PacketStream

use of com.oracle.truffle.espresso.jdwp.impl.PacketStream in project graal by oracle.

the class VMEventListenerImpl method writeSharedFieldInformation.

private PacketStream writeSharedFieldInformation(FieldBreakpointEvent event, Object currentThread, CallFrame callFrame, byte eventType) {
    PacketStream stream = new PacketStream().commandPacket().commandSet(64).command(100);
    FieldBreakpointInfo info = event.getInfo();
    stream.writeByte(info.getSuspendPolicy());
    // # events in reply
    stream.writeInt(1);
    stream.writeByte(eventType);
    stream.writeInt(info.getRequestId());
    long threadId = ids.getIdAsLong(currentThread);
    stream.writeLong(threadId);
    // location
    stream.writeByte(callFrame.getTypeTag());
    stream.writeLong(callFrame.getClassId());
    stream.writeLong(callFrame.getMethodId());
    stream.writeLong(callFrame.getCodeIndex());
    // tagged refType
    KlassRef klass = info.getKlass();
    stream.writeByte(TypeTag.getKind(klass));
    stream.writeLong(context.getIds().getIdAsLong(klass));
    // fieldID
    stream.writeLong(context.getIds().getIdAsLong(info.getField()));
    // tagged object ID for field being accessed
    stream.writeByte(TagConstants.OBJECT);
    if (Modifier.isStatic(info.getField().getModifiers())) {
        stream.writeLong(0);
    } else {
        stream.writeLong(context.getIds().getIdAsLong(event.getReceiver()));
    }
    return stream;
}

Example 15 with PacketStream

use of com.oracle.truffle.espresso.jdwp.impl.PacketStream in project graal by oracle.

the class VMEventListenerImpl method vmDied.

@Override
public boolean vmDied() {
    if (connection == null) {
        return false;
    }
    PacketStream stream = new PacketStream().commandPacket().commandSet(64).command(100);
    stream.writeByte(vmDeathSuspendPolicy);
    if (vmDeathRequestId != 0) {
        stream.writeInt(2);
        // requested event
        stream.writeByte(RequestedJDWPEvents.VM_DEATH);
        stream.writeInt(vmDeathRequestId);
    // automatic event
    } else {
        // only automatic event to send
        stream.writeInt(1);
    }
    stream.writeByte(RequestedJDWPEvents.VM_DEATH);
    stream.writeInt(0);
    // don't queue this packet, send immediately
    connection.sendVMDied(stream);
    return vmDeathSuspendPolicy != SuspendStrategy.NONE;
}