Examples with Entrypoint org.vmmagic.pragma.Entrypoint used on opensource projects

Example 41 with Entrypoint

use of org.vmmagic.pragma.Entrypoint in project JikesRVM by JikesRVM.

the class OptSaveVolatile method yieldpointFromBackedge.

/**
 * Handle timer interrupt taken on loop backedge.
 * This method is identical to the yieldpointFromBackedge() method used
 * method used by the baseline compiler, except in the OPT compiler world,
 * we also save the volatile registers.
 */
@Entrypoint
public static void yieldpointFromBackedge() {
    Address fp = Magic.getFramePointer();
    RVMThread.yieldpoint(RVMThread.BACKEDGE, fp);
}

Example 42 with Entrypoint

use of org.vmmagic.pragma.Entrypoint in project JikesRVM by JikesRVM.

the class OptSaveVolatile method yieldpointFromOsrOpt.

/**
 * OSR invalidation being initiated.
 */
@Entrypoint
public static void yieldpointFromOsrOpt() {
    Address fp = Magic.getFramePointer();
    RVMThread.getCurrentThread().yieldToOSRRequested = true;
    RVMThread.getCurrentThread().takeYieldpoint = 1;
    RVMThread.yieldpoint(RVMThread.OSROPT, fp);
}

Example 43 with Entrypoint

use of org.vmmagic.pragma.Entrypoint in project JikesRVM by JikesRVM.

the class ThinLock method inlineUnlock.

@Inline
@NoNullCheck
@Unpreemptible
@Entrypoint
public static void inlineUnlock(Object o, Offset lockOffset) {
    // FIXME: bad for PPC?
    Word old = Magic.prepareWord(o, lockOffset);
    Word id = old.and(TL_THREAD_ID_MASK.or(TL_STAT_MASK));
    Word tid = Word.fromIntSignExtend(RVMThread.getCurrentThread().getLockingId());
    if (id.EQ(tid)) {
        if (!old.and(TL_LOCK_COUNT_MASK).isZero()) {
            setDedicatedU16(o, lockOffset, old.minus(TL_LOCK_COUNT_UNIT));
            Magic.fence();
            return;
        }
    } else if (old.xor(tid).rshl(TL_LOCK_COUNT_SHIFT).EQ(TL_STAT_THIN.rshl(TL_LOCK_COUNT_SHIFT))) {
        Magic.combinedLoadBarrier();
        if (Magic.attemptWord(o, lockOffset, old, old.and(TL_UNLOCK_MASK).or(TL_STAT_THIN))) {
            if (!VM.MagicAttemptImpliesStoreLoadBarrier)
                Magic.fence();
            return;
        }
    }
    unlock(o, lockOffset);
}

Example 44 with Entrypoint

use of org.vmmagic.pragma.Entrypoint in project JikesRVM by JikesRVM.

the class RVMThread method yieldpointFromPrologue.

/*
   * Support for yieldpoints
   */
/**
 * Yieldpoint taken in prologue.
 */
@BaselineSaveLSRegisters
// Save all non-volatile registers in prologue
@NoOptCompile
@NoInline
// TODO fix this -- related to SaveVolatile
@Entrypoint
@Unpreemptible("Becoming another thread interrupts the current thread, avoid preemption in the process")
public static void yieldpointFromPrologue() {
    Address fp = Magic.getFramePointer();
    yieldpoint(PROLOGUE, fp);
}

Example 45 with Entrypoint

use of org.vmmagic.pragma.Entrypoint in project JikesRVM by JikesRVM.

the class RuntimeEntrypoints method checkcast.

/**
 * Throw exception unless object is instance of target
 * class/array or implements target interface.
 * @param object object to be tested
 * @param id of type reference corresponding to target class/array/interface
 */
@Entrypoint
static void checkcast(Object object, int id) throws ClassCastException, NoClassDefFoundError {
    if (object == null) {
        // null may be cast to any type
        return;
    }
    TypeReference tRef = TypeReference.getTypeRef(id);
    RVMType lhsType = tRef.peekType();
    if (lhsType == null) {
        lhsType = tRef.resolve();
    }
    RVMType rhsType = ObjectModel.getObjectType(object);
    if (lhsType == rhsType) {
        // exact match
        return;
    }
    // 
    if (!isAssignableWith(lhsType, rhsType)) {
        throw new ClassCastException("Cannot cast a(n) " + rhsType + " to a(n) " + lhsType);
    }
}