Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotDeoptimizeCallerOp.java @ 9453:cdc839f22a23
renamed HotSpot specific parts of deoptimization stub: DEOPTIMIZE -> UNCOMMON_TRAP
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Tue, 30 Apr 2013 20:07:53 +0200 |
parents | 0266549ff6e0 |
children | 62af2ee39bc5 |
line wrap: on
line source
/* * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.hotspot.amd64; import static com.oracle.graal.amd64.AMD64.*; import static com.oracle.graal.api.code.ValueUtil.*; import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*; import static com.oracle.graal.hotspot.amd64.AMD64DeoptimizeOp.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.amd64.*; import com.oracle.graal.hotspot.*; import com.oracle.graal.lir.LIRInstruction.Opcode; import com.oracle.graal.lir.amd64.*; import com.oracle.graal.lir.asm.*; /** * Removes the current frame and tail calls the uncommon trap routine. */ @Opcode("DEOPT_CALLER") final class AMD64HotSpotDeoptimizeCallerOp extends AMD64HotSpotEpilogueOp { private final DeoptimizationAction action; private final DeoptimizationReason reason; AMD64HotSpotDeoptimizeCallerOp(DeoptimizationAction action, DeoptimizationReason reason) { this.action = action; this.reason = reason; } @Override public void emitCode(TargetMethodAssembler tasm, AMD64MacroAssembler masm) { if (isStackSlot(savedRbp)) { // Restoring RBP from the stack must be done before the frame is removed masm.movq(rbp, (AMD64Address) tasm.asAddress(savedRbp)); } else { Register framePointer = asRegister(savedRbp); if (framePointer != rbp) { masm.movq(rbp, framePointer); } } if (tasm.frameContext != null) { tasm.frameContext.leave(tasm); } HotSpotGraalRuntime runtime = graalRuntime(); Register thread = runtime.getRuntime().threadRegister(); masm.movl(new AMD64Address(thread, runtime.getConfig().pendingDeoptimizationOffset), tasm.runtime.encodeDeoptActionAndReason(action, reason)); AMD64Call.directJmp(tasm, masm, tasm.runtime.lookupRuntimeCall(UNCOMMON_TRAP)); } }