Examples with J9RASdumpFunctionsPointer com.ibm.j9ddr.vm29.pointer.generated.J9RASdumpFunctionsPointer used on opensource projects

Example 1 with J9RASdumpFunctionsPointer

use of com.ibm.j9ddr.vm29.pointer.generated.J9RASdumpFunctionsPointer in project openj9 by eclipse.

the class ShowDumpAgentsCommand method seekDumpAgent.

private J9RASdumpAgentPointer seekDumpAgent(J9JavaVMPointer vm, J9RASdumpAgentPointer agentPtr, J9RASdumpFunctionsPointer dumpFn) throws CorruptDataException {
    J9RASdumpFunctionsPointer func = vm.j9rasDumpFunctions();
    J9RASdumpQueuePointer queue = J9RASdumpQueuePointer.cast(func);
    // Windows 64 bit returns a key of 0xFFFFFFFFFACADEDC
    // Other 64 bit platforms return 0x00000000FACADEDC.
    // Mask off the top bits since the key is 32 bits anyway.
    UDATA reserved = UDATA.roundToSizeofU32(UDATA.cast(queue.facade().reserved()));
    reserved = reserved.bitAnd(0x00000000FFFFFFFFl);
    if (!DUMP_FACADE_KEY.equals(reserved)) {
        // Dump functions have not been configured. (-Xdump:none was probably specified.)#
        return null;
    }
    /*
		 * Sanity check
		 */
    if (!queue.isNull()) {
        J9RASdumpAgentPointer node = agentPtr;
        /* Start from next agent, else start from the beginning */
        node = (node != null && !node.isNull()) ? node.nextPtr() : queue.agents();
        /* Agents with same dumpFn will be found in priority order */
        while (node != null && !node.isNull() && dumpFn != null && !dumpFn.isNull() && node.dumpFn().getAddress() != dumpFn.getAddress()) {
            node = node.nextPtr();
        }
        /* Update the current position */
        agentPtr = node;
        return node;
    }
    /* Blank current position */
    agentPtr = J9RASdumpAgentPointer.NULL;
    return agentPtr;
}