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

Example 1 with PacketStream

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

the class VMEventListenerImpl method fieldModificationBreakpointHit.

@Override
public void fieldModificationBreakpointHit(FieldBreakpointEvent event, Object currentThread, CallFrame callFrame) {
    if (connection == null) {
        return;
    }
    PacketStream stream = writeSharedFieldInformation(event, currentThread, callFrame, RequestedJDWPEvents.FIELD_MODIFICATION);
    // value about to be set
    Object value = event.getValue();
    byte tag = context.getTag(value);
    JDWP.writeValue(tag, value, stream, true, context);
    if (holdEvents) {
        heldEvents.add(stream);
    } else {
        connection.queuePacket(stream);
    }
}

Example 2 with PacketStream

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

the class VMEventListenerImpl method breakpointHit.

@Override
public void breakpointHit(BreakpointInfo info, CallFrame frame, Object currentThread) {
    if (connection == null) {
        return;
    }
    PacketStream stream = new PacketStream().commandPacket().commandSet(64).command(100);
    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());
    JDWP.LOGGER.fine(() -> "Sending breakpoint hit event in thread: " + context.getThreadName(currentThread) + " with suspension policy: " + info.getSuspendPolicy());
    if (holdEvents) {
        heldEvents.add(stream);
    } else {
        connection.queuePacket(stream);
    }
}

Example 3 with PacketStream

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

the class VMEventListenerImpl method sendMonitorContendedEnterEvent.

private void sendMonitorContendedEnterEvent(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_ENTER);
    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 event");
    if (holdEvents) {
        heldEvents.add(stream);
    } else {
        connection.queuePacket(stream);
    }
}

Example 4 with PacketStream

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

the class VMEventListenerImpl method stepCompleted.

@Override
public void stepCompleted(SteppingInfo info, CallFrame currentFrame) {
    if (connection == null) {
        return;
    }
    if (info.isPopFrames()) {
        // send reply packet when "step" is completed
        PacketStream reply = new PacketStream().replyPacket().id(info.getRequestId());
        JDWP.LOGGER.fine(() -> "Sending pop frames reply packet");
        if (holdEvents) {
            heldEvents.add(reply);
        } else {
            connection.queuePacket(reply);
        }
    } else {
        // single step completed events
        PacketStream stream = new PacketStream().commandPacket().commandSet(64).command(100);
        stream.writeByte(info.getSuspendPolicy());
        // # events in reply
        stream.writeInt(1);
        stream.writeByte(RequestedJDWPEvents.SINGLE_STEP);
        stream.writeInt(info.getRequestId());
        stream.writeLong(currentFrame.getThreadId());
        // location
        stream.writeByte(currentFrame.getTypeTag());
        stream.writeLong(currentFrame.getClassId());
        stream.writeLong(currentFrame.getMethodId());
        long codeIndex = info.getStepOutBCI() != -1 ? info.getStepOutBCI() : currentFrame.getCodeIndex();
        stream.writeLong(codeIndex);
        JDWP.LOGGER.fine(() -> "Sending step completed event");
        if (holdEvents) {
            heldEvents.add(stream);
        } else {
            connection.queuePacket(stream);
        }
    }
}

Example 5 with PacketStream

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

the class VMEventListenerImpl method exceptionThrown.

@Override
public void exceptionThrown(BreakpointInfo info, Object currentThread, Object exception, CallFrame[] callFrames) {
    if (connection == null) {
        return;
    }
    PacketStream stream = new PacketStream().commandPacket().commandSet(64).command(100);
    CallFrame top = callFrames[0];
    stream.writeByte(info.getSuspendPolicy());
    // # events in reply
    stream.writeInt(1);
    stream.writeByte(RequestedJDWPEvents.EXCEPTION);
    stream.writeInt(info.getRequestId());
    stream.writeLong(ids.getIdAsLong(currentThread));
    // location
    stream.writeByte(top.getTypeTag());
    stream.writeLong(top.getClassId());
    stream.writeLong(ids.getIdAsLong(top.getMethod()));
    stream.writeLong(top.getCodeIndex());
    // exception
    stream.writeByte(TagConstants.OBJECT);
    stream.writeLong(context.getIds().getIdAsLong(exception));
    // catch-location
    boolean caught = false;
    for (CallFrame callFrame : callFrames) {
        MethodRef method = callFrame.getMethod();
        int catchLocation = context.getCatchLocation(method, exception, (int) callFrame.getCodeIndex());
        if (catchLocation != -1) {
            stream.writeByte(callFrame.getTypeTag());
            stream.writeLong(callFrame.getClassId());
            stream.writeLong(callFrame.getMethodId());
            stream.writeLong(catchLocation);
            caught = true;
            break;
        }
    }
    if (!caught) {
        stream.writeByte((byte) 1);
        stream.writeLong(0);
        stream.writeLong(0);
        stream.writeLong(0);
    }
    if (holdEvents) {
        heldEvents.add(stream);
    } else {
        connection.queuePacket(stream);
    }
}