43972
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/*
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* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package org.graalvm.compiler.hotspot.amd64;
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import org.graalvm.compiler.asm.amd64.AMD64MacroAssembler;
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import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
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import org.graalvm.compiler.lir.LIRFrameState;
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import org.graalvm.compiler.lir.LIRInstructionClass;
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import org.graalvm.compiler.lir.Opcode;
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import org.graalvm.compiler.lir.amd64.AMD64Call.DirectCallOp;
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import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
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import org.graalvm.compiler.nodes.CallTargetNode.InvokeKind;
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import jdk.vm.ci.amd64.AMD64;
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import jdk.vm.ci.meta.ResolvedJavaMethod;
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import jdk.vm.ci.meta.Value;
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/**
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* A direct call that complies with the conventions for such calls in HotSpot. In particular, for
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* calls using an inline cache, a MOVE instruction is emitted just prior to the aligned direct call.
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*/
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@Opcode("CALL_DIRECT")
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final class AMD64HotspotDirectVirtualCallOp extends DirectCallOp {
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public static final LIRInstructionClass<AMD64HotspotDirectVirtualCallOp> TYPE = LIRInstructionClass.create(AMD64HotspotDirectVirtualCallOp.class);
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private final InvokeKind invokeKind;
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private final GraalHotSpotVMConfig config;
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AMD64HotspotDirectVirtualCallOp(ResolvedJavaMethod target, Value result, Value[] parameters, Value[] temps, LIRFrameState state, InvokeKind invokeKind, GraalHotSpotVMConfig config) {
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super(TYPE, target, result, parameters, temps, state);
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this.invokeKind = invokeKind;
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this.config = config;
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assert invokeKind.isIndirect();
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}
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@Override
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public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) {
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// The mark for an invocation that uses an inline cache must be placed at the
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// instruction that loads the Klass from the inline cache.
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crb.recordMark(invokeKind == InvokeKind.Virtual ? config.MARKID_INVOKEVIRTUAL : config.MARKID_INVOKEINTERFACE);
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// This must be emitted exactly like this to ensure it's patchable
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masm.movq(AMD64.rax, config.nonOopBits);
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48861
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int offset = super.emitCall(crb, masm);
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crb.recordInvokeVirtualOrInterfaceCallOp(offset, getPosition());
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43972
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}
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}
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