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annotate graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotCRuntimeCallEpilogueOp.java @ 21708:6df25b1418be

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moved com.oracle.asm.** to jvmci-util.jar (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Wed, 03 Jun 2015 18:06:44 +0200
parents 5024c80224c7
children d915361cc3a1
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1 /*
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2 * Copyright (c) 2012, 2015, 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 com.oracle.jvmci.asm.sparc.*;
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48c1ebd24120 renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
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26 import com.oracle.jvmci.code.Register;
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27 import com.oracle.jvmci.meta.Kind;
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28 import com.oracle.jvmci.meta.LIRKind;
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29 import com.oracle.jvmci.meta.Value;
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5024c80224c7 moved com.oracle.graal.[amd64|sparc] to com.oracle.jvmci.[amd64|sparc] (JBS:GRAAL-53)
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30
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31 import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*;
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32 import static com.oracle.jvmci.sparc.SPARC.*;
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33
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34 import com.oracle.graal.lir.*;
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35 import com.oracle.graal.lir.asm.*;
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36 import com.oracle.graal.lir.sparc.*;
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37
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38 @Opcode("CRUNTIME_CALL_EPILOGUE")
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39 final class SPARCHotSpotCRuntimeCallEpilogueOp extends SPARCLIRInstruction {
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40 public static final LIRInstructionClass<SPARCHotSpotCRuntimeCallEpilogueOp> TYPE = LIRInstructionClass.create(SPARCHotSpotCRuntimeCallEpilogueOp.class);
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41
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42 private final int threadLastJavaSpOffset;
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43 private final int threadLastJavaPcOffset;
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44 private final int threadJavaFrameAnchorFlagsOffset;
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45 private final Register thread;
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46 @Use({REG, STACK}) protected Value threadTemp;
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47
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48 public SPARCHotSpotCRuntimeCallEpilogueOp(int threadLastJavaSpOffset, int threadLastJavaPcOffset, int threadJavaFrameAnchorFlagsOffset, Register thread, Value threadTemp) {
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49 super(TYPE);
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50 this.threadLastJavaSpOffset = threadLastJavaSpOffset;
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51 this.threadLastJavaPcOffset = threadLastJavaPcOffset;
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52 this.threadJavaFrameAnchorFlagsOffset = threadJavaFrameAnchorFlagsOffset;
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53 this.thread = thread;
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54 this.threadTemp = threadTemp;
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55 }
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56
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57 @Override
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58 public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) {
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59
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60 // Restore the thread register when coming back from the runtime.
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61 SPARCMove.move(crb, masm, thread.asValue(LIRKind.value(Kind.Long)), threadTemp, SPARCDelayedControlTransfer.DUMMY);
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62
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63 // Reset last Java frame, last Java PC and flags.
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64 masm.stx(g0, new SPARCAddress(thread, threadLastJavaSpOffset));
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65 masm.stx(g0, new SPARCAddress(thread, threadLastJavaPcOffset));
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66 masm.stw(g0, new SPARCAddress(thread, threadJavaFrameAnchorFlagsOffset));
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67 }
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68 }