Examples with Substitute com.oracle.svm.core.annotate.Substitute used on opensource projects

Example 26 with Substitute

use of com.oracle.svm.core.annotate.Substitute in project graal by oracle.

the class DynamicHub method getDeclaredAnnotations.

@Substitute
@Override
public Annotation[] getDeclaredAnnotations() {
    Map<Annotation, Void> superAnnotations = new IdentityHashMap<>();
    if (getSuperHub() != null) {
        for (Annotation annotation : getSuperHub().getAnnotations()) {
            superAnnotations.put(annotation, null);
        }
    }
    ArrayList<Annotation> annotations = new ArrayList<>();
    for (Annotation annotation : getAnnotations()) {
        if (!superAnnotations.containsKey(annotation)) {
            annotations.add(annotation);
        }
    }
    return annotations.toArray(new Annotation[annotations.size()]);
}

Example 27 with Substitute

use of com.oracle.svm.core.annotate.Substitute in project graal by oracle.

the class JavaLangSubstitutions method identityHashCode.

@Substitute
private static int identityHashCode(Object obj) {
    if (obj == null) {
        return 0;
    }
    DynamicHub hub = KnownIntrinsics.readHub(obj);
    int hashCodeOffset = hub.getHashCodeOffset();
    if (hashCodeOffset == 0) {
        throw VMError.shouldNotReachHere("identityHashCode called on illegal object");
    }
    UnsignedWord hashCodeOffsetWord = WordFactory.unsigned(hashCodeOffset);
    int hashCode = ObjectAccess.readInt(obj, hashCodeOffsetWord);
    if (hashCode != 0) {
        return hashCode;
    }
    /* On the first invocation for an object create a new hash code. */
    hashCode = IdentityHashCodeSupport.generateHashCode();
    if (!UnsafeAccess.UNSAFE.compareAndSwapInt(obj, hashCodeOffset, 0, hashCode)) {
        /* We lost the race, so there now must be a hash code installed from another thread. */
        hashCode = ObjectAccess.readInt(obj, hashCodeOffsetWord);
    }
    VMError.guarantee(hashCode != 0, "Missing identity hash code");
    return hashCode;
}

Example 28 with Substitute

use of com.oracle.svm.core.annotate.Substitute in project graal by oracle.

the class JavaLangSubstitutions method fillInStackTrace.

@Substitute
@NeverInline("Prevent inlining in Truffle compilations")
private Object fillInStackTrace() {
    Pointer sp = KnownIntrinsics.readCallerStackPointer();
    CodePointer ip = KnownIntrinsics.readReturnAddress();
    StackTraceBuilder stackTraceBuilder = new StackTraceBuilder();
    JavaStackWalker.walkCurrentThread(sp, ip, stackTraceBuilder);
    this.stackTrace = stackTraceBuilder.getTrace();
    return this;
}

Example 29 with Substitute

use of com.oracle.svm.core.annotate.Substitute in project graal by oracle.

the class SecuritySubstitutions method getContext.

@Substitute
private static AccessControlContext getContext() {
    AccessControlContext result = new AccessControlContext(new ProtectionDomain[0]);
    KnownIntrinsics.unsafeCast(result, Target_java_security_AccessControlContext.class).isPrivileged = true;
    return result;
}

Example 30 with Substitute

use of com.oracle.svm.core.annotate.Substitute in project graal by oracle.

the class CharsetSubstitutions method lookup.

@Substitute
private static Charset lookup(String charsetName) {
    if (charsetName == null) {
        throw new IllegalArgumentException("Null charset name");
    }
    Map<String, Charset> charsets = ImageSingletons.lookup(LocalizationSupport.class).charsets;
    String lowerCaseName = Target_sun_nio_cs_FastCharsetProvider.toLower(charsetName);
    Charset result = charsets.get(lowerCaseName);
    if (result == null) {
        /* Only need to check the name if we didn't find a charset for it */
        checkName(charsetName);
    }
    return result;
}