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 package org.graalvm.compiler.hotspot.sparc; 24 25 import static jdk.vm.ci.hotspot.HotSpotCallingConventionType.NativeCall; 26 import static jdk.vm.ci.meta.Value.ILLEGAL; 27 import static jdk.vm.ci.sparc.SPARC.i0; 28 import static jdk.vm.ci.sparc.SPARC.i1; 29 import static jdk.vm.ci.sparc.SPARC.o0; 30 import static jdk.vm.ci.sparc.SPARC.o1; 31 import static org.graalvm.compiler.hotspot.HotSpotBackend.EXCEPTION_HANDLER; 32 import static org.graalvm.compiler.hotspot.HotSpotBackend.EXCEPTION_HANDLER_IN_CALLER; 33 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.JUMP_ADDRESS; 34 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.RegisterEffect.PRESERVES_REGISTERS; 35 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.Transition.LEAF_NOFP; 36 import static org.graalvm.compiler.hotspot.replacements.CRC32Substitutions.UPDATE_BYTES_CRC32; 37 import static org.graalvm.compiler.hotspot.replacements.CRC32CSubstitutions.UPDATE_BYTES_CRC32C; 38 import static org.graalvm.word.LocationIdentity.any; 39 40 import org.graalvm.compiler.core.common.LIRKind; 41 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig; 42 import org.graalvm.compiler.hotspot.HotSpotForeignCallLinkageImpl; 43 import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider; 44 import org.graalvm.compiler.hotspot.meta.HotSpotHostForeignCallsProvider; 45 import org.graalvm.compiler.hotspot.meta.HotSpotProviders; 46 import org.graalvm.compiler.options.OptionValues; 47 import org.graalvm.compiler.word.WordTypes; 48 49 import jdk.vm.ci.code.CallingConvention; 50 import jdk.vm.ci.code.CodeCacheProvider; 51 import jdk.vm.ci.code.RegisterValue; 52 import jdk.vm.ci.code.TargetDescription; 53 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntimeProvider; 54 import jdk.vm.ci.meta.JavaKind; 55 import jdk.vm.ci.meta.MetaAccessProvider; 56 import jdk.vm.ci.meta.PlatformKind; 57 import jdk.vm.ci.meta.Value; 58 59 public class SPARCHotSpotForeignCallsProvider extends HotSpotHostForeignCallsProvider { 60 61 private final Value[] nativeABICallerSaveRegisters; 62 63 public SPARCHotSpotForeignCallsProvider(HotSpotJVMCIRuntimeProvider jvmciRuntime, HotSpotGraalRuntimeProvider runtime, MetaAccessProvider metaAccess, CodeCacheProvider codeCache, 64 WordTypes wordTypes, Value[] nativeABICallerSaveRegisters) { 65 super(jvmciRuntime, runtime, metaAccess, codeCache, wordTypes); 66 this.nativeABICallerSaveRegisters = nativeABICallerSaveRegisters; 67 } 68 69 @Override 70 public void initialize(HotSpotProviders providers, OptionValues options) { 71 GraalHotSpotVMConfig config = runtime.getVMConfig(); 72 TargetDescription target = providers.getCodeCache().getTarget(); 73 PlatformKind word = target.arch.getWordKind(); 74 75 // The calling convention for the exception handler stub is (only?) defined in 76 // TemplateInterpreterGenerator::generate_throw_exception() 77 // in templateInterpreter_sparc.cpp around line 1925 78 RegisterValue outgoingException = o0.asValue(LIRKind.fromJavaKind(target.arch, JavaKind.Object)); 79 RegisterValue outgoingExceptionPc = o1.asValue(LIRKind.value(word)); 80 RegisterValue incomingException = i0.asValue(LIRKind.fromJavaKind(target.arch, JavaKind.Object)); 81 RegisterValue incomingExceptionPc = i1.asValue(LIRKind.value(word)); 82 CallingConvention outgoingExceptionCc = new CallingConvention(0, ILLEGAL, outgoingException, outgoingExceptionPc); 83 CallingConvention incomingExceptionCc = new CallingConvention(0, ILLEGAL, incomingException, incomingExceptionPc); 84 register(new HotSpotForeignCallLinkageImpl(EXCEPTION_HANDLER, 0L, PRESERVES_REGISTERS, LEAF_NOFP, outgoingExceptionCc, incomingExceptionCc, NOT_REEXECUTABLE, any())); 85 register(new HotSpotForeignCallLinkageImpl(EXCEPTION_HANDLER_IN_CALLER, JUMP_ADDRESS, PRESERVES_REGISTERS, LEAF_NOFP, outgoingExceptionCc, incomingExceptionCc, NOT_REEXECUTABLE, any())); 86 87 if (config.useCRC32Intrinsics) { 88 // This stub does callee saving 89 registerForeignCall(UPDATE_BYTES_CRC32, config.updateBytesCRC32Stub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, NOT_REEXECUTABLE, any()); 90 } 91 if (config.useCRC32CIntrinsics) { 92 registerForeignCall(UPDATE_BYTES_CRC32C, config.updateBytesCRC32C, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, NOT_REEXECUTABLE, any()); 93 } 94 95 super.initialize(providers, options); 96 } 97 98 @Override 99 public Value[] getNativeABICallerSaveRegisters() { 100 return nativeABICallerSaveRegisters; 101 } 102 }