src/jdk.aot/share/classes/jdk.tools.jaotc/src/jdk/tools/jaotc/ELFMacroAssembler.java
author aph
Mon, 14 May 2018 12:03:59 +0100
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child 51436 091c0d22e735
permissions -rw-r--r--
8185505: AArch64: Port AOT to AArch64 Reviewed-by: kvn
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/*
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 * Copyright (c) 2016, 2018, 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 jdk.tools.jaotc;
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import jdk.tools.jaotc.StubInformation;
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import jdk.tools.jaotc.amd64.AMD64ELFMacroAssembler;
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import jdk.tools.jaotc.aarch64.AArch64ELFMacroAssembler;
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import jdk.vm.ci.amd64.AMD64;
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import jdk.vm.ci.aarch64.AArch64;
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import jdk.vm.ci.code.Architecture;
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import jdk.vm.ci.code.TargetDescription;
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public interface ELFMacroAssembler {
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    public static ELFMacroAssembler getELFMacroAssembler(TargetDescription target) {
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        Architecture architecture = target.arch;
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        if (architecture instanceof AMD64) {
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            return new AMD64ELFMacroAssembler(target);
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        } else if (architecture instanceof AArch64) {
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            return new AArch64ELFMacroAssembler(target);
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        } else {
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            throw new InternalError("Unsupported architecture " + architecture);
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        }
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    }
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    public int currentEndOfInstruction();
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    public byte[] getPLTJumpCode();
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    public byte[] getPLTStaticEntryCode(StubInformation stub);
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    public byte[] getPLTVirtualEntryCode(StubInformation stub);
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}