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annotate graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotCRuntimeCallEpilogueOp.java @ 13227:1a66453f73db

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renamed TargetMethodAssembler to CompilationResultBuilder
author Doug Simon <doug.simon@oracle.com>
date Tue, 03 Dec 2013 10:51:16 +0100
parents f87c68d79f07
children 403b07a69400
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1 /*
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2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.hotspot.sparc;
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24
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25 import static com.oracle.graal.sparc.SPARC.*;
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26
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27 import com.oracle.graal.api.code.*;
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28 import com.oracle.graal.asm.sparc.*;
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29 import com.oracle.graal.asm.sparc.SPARCAssembler.Stw;
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30 import com.oracle.graal.asm.sparc.SPARCAssembler.Stx;
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31 import com.oracle.graal.asm.sparc.SPARCMacroAssembler.Mov;
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32 import com.oracle.graal.lir.*;
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33 import com.oracle.graal.lir.asm.*;
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34 import com.oracle.graal.lir.sparc.*;
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35
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36 @Opcode("CRUNTIME_CALL_EPILOGUE")
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37 final class SPARCHotSpotCRuntimeCallEpilogueOp extends SPARCLIRInstruction {
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38
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39 private final int threadLastJavaSpOffset;
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40 private final int threadLastJavaPcOffset;
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41 private final int threadJavaFrameAnchorFlagsOffset;
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42 private final Register thread;
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43
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44 public SPARCHotSpotCRuntimeCallEpilogueOp(int threadLastJavaSpOffset, int threadLastJavaPcOffset, int threadJavaFrameAnchorFlagsOffset, Register thread) {
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45 this.threadLastJavaSpOffset = threadLastJavaSpOffset;
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46 this.threadLastJavaPcOffset = threadLastJavaPcOffset;
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47 this.threadJavaFrameAnchorFlagsOffset = threadJavaFrameAnchorFlagsOffset;
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48 this.thread = thread;
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49 }
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50
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51 @Override
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52 public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) {
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53
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54 // Restore the thread register when coming back from the runtime.
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55 new Mov(l7, thread).emit(masm);
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56
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57 // Reset last Java frame, last Java PC and flags.
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58 new Stx(g0, new SPARCAddress(thread, threadLastJavaSpOffset)).emit(masm);
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59 new Stx(g0, new SPARCAddress(thread, threadLastJavaPcOffset)).emit(masm);
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60 new Stw(g0, new SPARCAddress(thread, threadJavaFrameAnchorFlagsOffset)).emit(masm);
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61 }
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62 }