Mercurial > hg > graal-compiler
view graal/com.oracle.graal.truffle.hotspot.sparc/src/com/oracle/graal/truffle/hotspot/sparc/SPARCOptimizedCallTargetInstumentationFactory.java @ 23222:56359eb3abfa
moved @ServiceProvider mechanism from JVMCI to Graal (GRAAL-1380)
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 30 Dec 2015 18:08:59 +0100 |
parents | 615f3bbbb174 |
children | 52f4acf6f365 |
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/* * Copyright (c) 2013, 2015, 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.truffle.hotspot.sparc; import static com.oracle.graal.asm.sparc.SPARCAssembler.BranchPredict.PREDICT_NOT_TAKEN; import static com.oracle.graal.asm.sparc.SPARCAssembler.CC.Xcc; import static com.oracle.graal.asm.sparc.SPARCAssembler.ConditionFlag.Equal; import static jdk.vm.ci.code.CallingConvention.Type.JavaCall; import static jdk.vm.ci.meta.JavaKind.Object; import jdk.vm.ci.code.CodeCacheProvider; import jdk.vm.ci.code.CompilationResult; import jdk.vm.ci.code.InstalledCode; import jdk.vm.ci.code.Register; import com.oracle.graal.asm.Assembler; import com.oracle.graal.asm.Label; import com.oracle.graal.asm.sparc.SPARCAddress; import com.oracle.graal.asm.sparc.SPARCMacroAssembler; import com.oracle.graal.asm.sparc.SPARCMacroAssembler.ScratchRegister; import com.oracle.graal.compiler.common.spi.ForeignCallsProvider; import com.oracle.graal.lir.asm.CompilationResultBuilder; import com.oracle.graal.lir.asm.FrameContext; import com.oracle.graal.lir.framemap.FrameMap; import com.oracle.graal.serviceprovider.ServiceProvider; import com.oracle.graal.truffle.hotspot.OptimizedCallTargetInstrumentation; import com.oracle.graal.truffle.hotspot.OptimizedCallTargetInstrumentationFactory; @ServiceProvider(OptimizedCallTargetInstrumentationFactory.class) public class SPARCOptimizedCallTargetInstumentationFactory extends OptimizedCallTargetInstrumentationFactory { public CompilationResultBuilder createBuilder(CodeCacheProvider codeCache, ForeignCallsProvider foreignCalls, FrameMap frameMap, Assembler asm, FrameContext frameContext, CompilationResult compilationResult) { return new OptimizedCallTargetInstrumentation(codeCache, foreignCalls, frameMap, asm, frameContext, compilationResult, config, registers) { @Override protected void injectTailCallCode() { @SuppressWarnings("hiding") SPARCMacroAssembler asm = (SPARCMacroAssembler) this.asm; try (ScratchRegister scratch = asm.getScratchRegister()) { Register thisRegister = codeCache.getRegisterConfig().getCallingConventionRegisters(JavaCall, Object)[0]; Register spillRegister = scratch.getRegister(); Label doProlog = new Label(); SPARCAddress entryPointAddress = new SPARCAddress(thisRegister, getFieldOffset("entryPoint", InstalledCode.class)); asm.ldx(entryPointAddress, spillRegister); asm.compareBranch(spillRegister, 0, Equal, Xcc, doProlog, PREDICT_NOT_TAKEN, null); asm.jmp(spillRegister); asm.nop(); asm.bind(doProlog); } } }; } @Override public String getArchitecture() { return "SPARC"; } }