1 /* 2 * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 25 package org.graalvm.compiler.hotspot.sparc; 26 27 import static jdk.vm.ci.hotspot.HotSpotCallingConventionType.NativeCall; 28 import static jdk.vm.ci.meta.Value.ILLEGAL; 29 import static jdk.vm.ci.sparc.SPARC.i0; 30 import static jdk.vm.ci.sparc.SPARC.i1; 31 import static jdk.vm.ci.sparc.SPARC.o0; 32 import static jdk.vm.ci.sparc.SPARC.o1; 33 import static org.graalvm.compiler.hotspot.HotSpotBackend.EXCEPTION_HANDLER; 34 import static org.graalvm.compiler.hotspot.HotSpotBackend.EXCEPTION_HANDLER_IN_CALLER; 35 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.JUMP_ADDRESS; 36 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.RegisterEffect.PRESERVES_REGISTERS; 37 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.Transition.LEAF_NOFP; 38 import static org.graalvm.compiler.hotspot.replacements.CRC32CSubstitutions.UPDATE_BYTES_CRC32C; 39 import static org.graalvm.compiler.hotspot.replacements.CRC32Substitutions.UPDATE_BYTES_CRC32; 40 import static jdk.internal.vm.compiler.word.LocationIdentity.any; 41 42 import org.graalvm.compiler.core.common.LIRKind; 43 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig; 44 import org.graalvm.compiler.hotspot.HotSpotForeignCallLinkageImpl; 45 import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider; 46 import org.graalvm.compiler.hotspot.meta.HotSpotHostForeignCallsProvider; 47 import org.graalvm.compiler.hotspot.meta.HotSpotProviders; 48 import org.graalvm.compiler.options.OptionValues; 49 import org.graalvm.compiler.word.WordTypes; 50 51 import jdk.vm.ci.code.CallingConvention; 52 import jdk.vm.ci.code.CodeCacheProvider; 53 import jdk.vm.ci.code.RegisterValue; 54 import jdk.vm.ci.code.TargetDescription; 55 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime; 56 import jdk.vm.ci.meta.JavaKind; 57 import jdk.vm.ci.meta.MetaAccessProvider; 58 import jdk.vm.ci.meta.PlatformKind; 59 import jdk.vm.ci.meta.Value; 60 61 public class SPARCHotSpotForeignCallsProvider extends HotSpotHostForeignCallsProvider { 62 63 private final Value[] nativeABICallerSaveRegisters; 64 SPARCHotSpotForeignCallsProvider(HotSpotJVMCIRuntime jvmciRuntime, HotSpotGraalRuntimeProvider runtime, MetaAccessProvider metaAccess, CodeCacheProvider codeCache, WordTypes wordTypes, Value[] nativeABICallerSaveRegisters)65 public SPARCHotSpotForeignCallsProvider(HotSpotJVMCIRuntime jvmciRuntime, HotSpotGraalRuntimeProvider runtime, MetaAccessProvider metaAccess, CodeCacheProvider codeCache, 66 WordTypes wordTypes, Value[] nativeABICallerSaveRegisters) { 67 super(jvmciRuntime, runtime, metaAccess, codeCache, wordTypes); 68 this.nativeABICallerSaveRegisters = nativeABICallerSaveRegisters; 69 } 70 71 @Override initialize(HotSpotProviders providers, OptionValues options)72 public void initialize(HotSpotProviders providers, OptionValues options) { 73 GraalHotSpotVMConfig config = runtime.getVMConfig(); 74 TargetDescription target = providers.getCodeCache().getTarget(); 75 PlatformKind word = target.arch.getWordKind(); 76 77 // The calling convention for the exception handler stub is (only?) defined in 78 // TemplateInterpreterGenerator::generate_throw_exception() 79 // in templateInterpreter_sparc.cpp around line 1925 80 RegisterValue outgoingException = o0.asValue(LIRKind.fromJavaKind(target.arch, JavaKind.Object)); 81 RegisterValue outgoingExceptionPc = o1.asValue(LIRKind.value(word)); 82 RegisterValue incomingException = i0.asValue(LIRKind.fromJavaKind(target.arch, JavaKind.Object)); 83 RegisterValue incomingExceptionPc = i1.asValue(LIRKind.value(word)); 84 CallingConvention outgoingExceptionCc = new CallingConvention(0, ILLEGAL, outgoingException, outgoingExceptionPc); 85 CallingConvention incomingExceptionCc = new CallingConvention(0, ILLEGAL, incomingException, incomingExceptionPc); 86 register(new HotSpotForeignCallLinkageImpl(EXCEPTION_HANDLER, 0L, PRESERVES_REGISTERS, LEAF_NOFP, outgoingExceptionCc, incomingExceptionCc, NOT_REEXECUTABLE, any())); 87 register(new HotSpotForeignCallLinkageImpl(EXCEPTION_HANDLER_IN_CALLER, JUMP_ADDRESS, PRESERVES_REGISTERS, LEAF_NOFP, outgoingExceptionCc, incomingExceptionCc, NOT_REEXECUTABLE, any())); 88 89 if (config.useCRC32Intrinsics) { 90 // This stub does callee saving 91 registerForeignCall(UPDATE_BYTES_CRC32, config.updateBytesCRC32Stub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, NOT_REEXECUTABLE, any()); 92 } 93 if (config.useCRC32CIntrinsics) { 94 registerForeignCall(UPDATE_BYTES_CRC32C, config.updateBytesCRC32C, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, NOT_REEXECUTABLE, any()); 95 } 96 97 super.initialize(providers, options); 98 } 99 100 @Override getNativeABICallerSaveRegisters()101 public Value[] getNativeABICallerSaveRegisters() { 102 return nativeABICallerSaveRegisters; 103 } 104 } 105