Mercurial > hg > truffle
annotate graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotJumpToExceptionHandlerInCallerOp.java @ 21673:5024c80224c7
moved com.oracle.graal.[amd64|sparc] to com.oracle.jvmci.[amd64|sparc] (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 02 Jun 2015 22:11:52 +0200 |
parents | 47a3d4b3ccb3 |
children | 6df25b1418be |
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1 /* |
15104 | 2 * Copyright (c) 2012, 2014, 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.amd64; |
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24 |
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renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
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25 import com.oracle.jvmci.code.Register; |
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26 import com.oracle.jvmci.meta.AllocatableValue; |
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27 |
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28 import static com.oracle.jvmci.amd64.AMD64.*; |
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29 import static com.oracle.jvmci.code.ValueUtil.*; |
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30 import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; |
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31 |
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32 import com.oracle.graal.asm.amd64.*; |
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33 import com.oracle.graal.asm.amd64.AMD64Assembler.ConditionFlag; |
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implemented workaround for https://bugs.eclipse.org/bugs/show_bug.cgi?id=409824
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34 import com.oracle.graal.lir.*; |
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moved NodeInfo and friends into separate com.oracle.graal.nodeinfo project so that annotation processor can be applied to the base Node class
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35 import com.oracle.graal.lir.StandardOp.BlockEndOp; |
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36 import com.oracle.graal.lir.asm.*; |
99ef9bcb3f32
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37 |
99ef9bcb3f32
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38 /** |
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39 * Sets up the arguments for an exception handler in the callers frame, removes the current frame |
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40 * and jumps to the handler. |
99ef9bcb3f32
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41 */ |
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42 @Opcode("JUMP_TO_EXCEPTION_HANDLER_IN_CALLER") |
15104 | 43 final class AMD64HotSpotJumpToExceptionHandlerInCallerOp extends AMD64HotSpotEpilogueOp implements BlockEndOp { |
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44 |
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Create TYPE fields for LIRInstruction and CompositeValue. Renaming NodeClass#get to NodeClass#create.
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45 public static final LIRInstructionClass<AMD64HotSpotJumpToExceptionHandlerInCallerOp> TYPE = LIRInstructionClass.create(AMD64HotSpotJumpToExceptionHandlerInCallerOp.class); |
8fc336a04d77
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46 |
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47 @Use(REG) AllocatableValue handlerInCallerPc; |
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48 @Use(REG) AllocatableValue exception; |
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49 @Use(REG) AllocatableValue exceptionPc; |
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improved support for co-existing, multiple backends (GRAAL-363)
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50 private final Register thread; |
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51 private final int isMethodHandleReturnOffset; |
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52 |
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AMD64HotSpotEpilogueOp: set rbp rescue location on construction.
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53 AMD64HotSpotJumpToExceptionHandlerInCallerOp(AllocatableValue handlerInCallerPc, AllocatableValue exception, AllocatableValue exceptionPc, int isMethodHandleReturnOffset, Register thread, |
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54 AllocatableValue savedRbp) { |
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55 super(TYPE, savedRbp); |
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56 this.handlerInCallerPc = handlerInCallerPc; |
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57 this.exception = exception; |
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58 this.exceptionPc = exceptionPc; |
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59 this.isMethodHandleReturnOffset = isMethodHandleReturnOffset; |
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60 this.thread = thread; |
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61 } |
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62 |
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63 @Override |
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renamed TargetMethodAssembler to CompilationResultBuilder
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64 public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) { |
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65 leaveFrameAndRestoreRbp(crb, masm); |
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66 |
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ensure frame is fully restored when unwinding to exception handler in caller's frame
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67 // Discard the return address, thus completing restoration of caller frame |
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68 masm.incrementq(rsp, 8); |
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69 |
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70 // Restore rsp from rbp if the exception PC is a method handle call site. |
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71 AMD64Address dst = new AMD64Address(thread, isMethodHandleReturnOffset); |
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72 masm.cmpl(dst, 0); |
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73 masm.cmovq(ConditionFlag.NotEqual, rsp, rbp); |
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74 |
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75 masm.jmp(asRegister(handlerInCallerPc)); |
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76 } |
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77 } |