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SharedMethod.java
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SharedMethod.java
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/*
* Copyright (c) 2013, 2020, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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 com.oracle.svm.core.meta;
import com.oracle.svm.core.Uninterruptible;
import com.oracle.svm.core.code.ImageCodeInfo;
import com.oracle.svm.core.deopt.Deoptimizer;
import com.oracle.svm.core.graal.code.SubstrateCallingConventionKind;
import com.oracle.svm.core.graal.code.SubstrateCallingConventionType;
import jdk.vm.ci.meta.ResolvedJavaMethod;
/**
* The method interface which is both used in the hosted and substrate worlds.
*/
public interface SharedMethod extends ResolvedJavaMethod {
boolean isUninterruptible();
boolean needSafepointCheck();
/**
* Returns true if this method is a native entry point, i.e., called from C code. The method
* must not be called from Java code then.
*/
boolean isEntryPoint();
boolean isSnippet();
boolean isForeignCallTarget();
SubstrateCallingConventionKind getCallingConventionKind();
SubstrateCallingConventionType getCustomCallingConventionType();
boolean hasCalleeSavedRegisters();
SharedMethod[] getImplementations();
boolean isDeoptTarget();
boolean canDeoptimize();
int getVTableIndex();
/**
* Returns the deopt stub type for the stub methods in {@link Deoptimizer}. Only used when
* compiling the deopt stubs during image generation.
*/
Deoptimizer.StubType getDeoptStubType();
@Uninterruptible(reason = "Called from uninterruptible code.", mayBeInlined = true)
ImageCodeInfo getImageCodeInfo();
boolean hasImageCodeOffset();
int getImageCodeOffset();
@Uninterruptible(reason = "Called from uninterruptible code.", mayBeInlined = true)
int getImageCodeDeoptOffset();
/** Always call this method indirectly, even if it is normally called directly. */
boolean forceIndirectCall();
}