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 org.graalvm.compiler.core.common.LocationIdentity.any;
26 import static org.graalvm.compiler.hotspot.HotSpotBackend.EXCEPTION_HANDLER;
27 import static org.graalvm.compiler.hotspot.HotSpotBackend.EXCEPTION_HANDLER_IN_CALLER;
28 import static org.graalvm.compiler.hotspot.HotSpotBackend.Options.PreferGraalStubs;
29 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.JUMP_ADDRESS;
30 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.RegisterEffect.PRESERVES_REGISTERS;
31 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.Transition.LEAF;
32 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.Transition.LEAF_NOFP;
33 import static org.graalvm.compiler.hotspot.HotSpotHostBackend.DEOPTIMIZATION_HANDLER;
34 import static org.graalvm.compiler.hotspot.HotSpotHostBackend.UNCOMMON_TRAP_HANDLER;
35 import static org.graalvm.compiler.hotspot.replacements.CRC32Substitutions.UPDATE_BYTES_CRC32;
36 import static jdk.vm.ci.hotspot.HotSpotCallingConventionType.NativeCall;
37 import static jdk.vm.ci.meta.Value.ILLEGAL;
38 import static jdk.vm.ci.sparc.SPARC.i0;
39 import static jdk.vm.ci.sparc.SPARC.i1;
40 import static jdk.vm.ci.sparc.SPARC.o0;
41 import static jdk.vm.ci.sparc.SPARC.o1;
42
43 import org.graalvm.compiler.core.common.LIRKind;
44 import org.graalvm.compiler.hotspot.HotSpotForeignCallLinkageImpl;
45 import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider;
46 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
47 import org.graalvm.compiler.hotspot.meta.HotSpotHostForeignCallsProvider;
48 import org.graalvm.compiler.hotspot.meta.HotSpotProviders;
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.HotSpotJVMCIRuntimeProvider;
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
65 public SPARCHotSpotForeignCallsProvider(HotSpotJVMCIRuntimeProvider 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
72 public void initialize(HotSpotProviders providers) {
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 (PreferGraalStubs.getValue()) {
90 link(new SPARCDeoptimizationStub(providers, target, registerStubCall(DEOPTIMIZATION_HANDLER, REEXECUTABLE, LEAF, NO_LOCATIONS)));
91 link(new SPARCUncommonTrapStub(providers, target, registerStubCall(UNCOMMON_TRAP_HANDLER, REEXECUTABLE, LEAF, NO_LOCATIONS)));
92 }
93
94 if (config.useCRC32Intrinsics) {
95 // This stub does callee saving
96 registerForeignCall(UPDATE_BYTES_CRC32, config.updateBytesCRC32Stub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, NOT_REEXECUTABLE, any());
97 }
98
99 super.initialize(providers);
100 }
101
102 @Override
103 public Value[] getNativeABICallerSaveRegisters() {
104 return nativeABICallerSaveRegisters;
105 }
106 }