Mercurial > hg > graal-jvmci-8
diff jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotJVMCIRuntimeProvider.java @ 22672:1bbd4a7c274b
Rename jdk.internal.jvmci to jdk.vm.ci
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
---|---|
date | Thu, 08 Oct 2015 17:28:41 -0700 |
parents | jvmci/jdk.internal.jvmci.hotspot/src/jdk/internal/jvmci/hotspot/HotSpotJVMCIRuntimeProvider.java@b6b46b741102 |
children | 57646377e480 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotJVMCIRuntimeProvider.java Thu Oct 08 17:28:41 2015 -0700 @@ -0,0 +1,137 @@ +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package jdk.vm.ci.hotspot; + +import java.io.OutputStream; + +import jdk.vm.ci.common.JVMCIError; +import jdk.vm.ci.compiler.Compiler; +import jdk.vm.ci.meta.JVMCIMetaAccessContext; +import jdk.vm.ci.meta.JavaKind; +import jdk.vm.ci.meta.JavaType; +import jdk.vm.ci.meta.ResolvedJavaType; +import jdk.vm.ci.runtime.JVMCIRuntime; +import sun.misc.Unsafe; + +//JaCoCo Exclude + +/** + * Configuration information for the HotSpot JVMCI runtime. + */ +public interface HotSpotJVMCIRuntimeProvider extends JVMCIRuntime { + + HotSpotVMConfig getConfig(); + + CompilerToVM getCompilerToVM(); + + Compiler getCompiler(); + + /** + * Gets an output stream that writes to the HotSpot's {@code tty} stream. + */ + OutputStream getLogStream(); + + /** + * Converts a name to a Java type. This method attempts to resolve {@code name} to a + * {@link ResolvedJavaType}. + * + * @param name a well formed Java type in {@linkplain JavaType#getName() internal} format + * @param accessingType the context of resolution which must be non-null + * @param resolve specifies whether resolution failure results in an unresolved type being + * return or a {@link LinkageError} being thrown + * @return a Java type for {@code name} which is guaranteed to be of type + * {@link ResolvedJavaType} if {@code resolve == true} + * @throws LinkageError if {@code resolve == true} and the resolution failed + * @throws NullPointerException if {@code accessingClass} is {@code null} + */ + JavaType lookupType(String name, HotSpotResolvedObjectType accessingType, boolean resolve); + + /** + * Gets the JVMCI mirror for a {@link Class} object. + * + * @return the {@link ResolvedJavaType} corresponding to {@code javaClass} + */ + ResolvedJavaType fromClass(Class<?> clazz); + + JVMCIMetaAccessContext getMetaAccessContext(); + + /** + * The offset from the origin of an array to the first element. + * + * @return the offset in bytes + */ + static int getArrayBaseOffset(JavaKind kind) { + switch (kind) { + case Boolean: + return Unsafe.ARRAY_BOOLEAN_BASE_OFFSET; + case Byte: + return Unsafe.ARRAY_BYTE_BASE_OFFSET; + case Char: + return Unsafe.ARRAY_CHAR_BASE_OFFSET; + case Short: + return Unsafe.ARRAY_SHORT_BASE_OFFSET; + case Int: + return Unsafe.ARRAY_INT_BASE_OFFSET; + case Long: + return Unsafe.ARRAY_LONG_BASE_OFFSET; + case Float: + return Unsafe.ARRAY_FLOAT_BASE_OFFSET; + case Double: + return Unsafe.ARRAY_DOUBLE_BASE_OFFSET; + case Object: + return Unsafe.ARRAY_OBJECT_BASE_OFFSET; + default: + throw new JVMCIError("%s", kind); + } + } + + /** + * The scale used for the index when accessing elements of an array of this kind. + * + * @return the scale in order to convert the index into a byte offset + */ + static int getArrayIndexScale(JavaKind kind) { + switch (kind) { + case Boolean: + return Unsafe.ARRAY_BOOLEAN_INDEX_SCALE; + case Byte: + return Unsafe.ARRAY_BYTE_INDEX_SCALE; + case Char: + return Unsafe.ARRAY_CHAR_INDEX_SCALE; + case Short: + return Unsafe.ARRAY_SHORT_INDEX_SCALE; + case Int: + return Unsafe.ARRAY_INT_INDEX_SCALE; + case Long: + return Unsafe.ARRAY_LONG_INDEX_SCALE; + case Float: + return Unsafe.ARRAY_FLOAT_INDEX_SCALE; + case Double: + return Unsafe.ARRAY_DOUBLE_INDEX_SCALE; + case Object: + return Unsafe.ARRAY_OBJECT_INDEX_SCALE; + default: + throw new JVMCIError("%s", kind); + } + } +}