Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotForeignCallsProvider.java @ 15805:dffc37fa7157
initialize HotSpotVMConfig fields efficiently from C++
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Tue, 20 May 2014 13:46:34 -0700 |
parents | bb97b75d1d65 |
children | c0b8d395368b f57cf459f5d3 |
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/* * Copyright (c) 2013, 2014, 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.sparc; import static com.oracle.graal.api.meta.LocationIdentity.*; import static com.oracle.graal.api.meta.Value.*; import static com.oracle.graal.hotspot.HotSpotForeignCallLinkage.*; import static com.oracle.graal.hotspot.HotSpotForeignCallLinkage.RegisterEffect.*; import static com.oracle.graal.hotspot.HotSpotForeignCallLinkage.Transition.*; import static com.oracle.graal.hotspot.HotSpotHostBackend.*; import static com.oracle.graal.sparc.SPARC.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.hotspot.*; import com.oracle.graal.hotspot.meta.*; public class SPARCHotSpotForeignCallsProvider extends HotSpotHostForeignCallsProvider { private final Value[] nativeABICallerSaveRegisters; public SPARCHotSpotForeignCallsProvider(HotSpotGraalRuntime runtime, MetaAccessProvider metaAccess, CodeCacheProvider codeCache, Value[] nativeABICallerSaveRegisters) { super(runtime, metaAccess, codeCache); this.nativeABICallerSaveRegisters = nativeABICallerSaveRegisters; } @Override public void initialize(HotSpotProviders providers, HotSpotVMConfig config) { TargetDescription target = providers.getCodeCache().getTarget(); Kind word = target.wordKind; // The calling convention for the exception handler stub is (only?) defined in // TemplateInterpreterGenerator::generate_throw_exception() // in templateInterpreter_sparc.cpp around line 1925 RegisterValue outgoingException = o0.asValue(Kind.Object); RegisterValue outgoingExceptionPc = o1.asValue(word); RegisterValue incomingException = i0.asValue(Kind.Object); RegisterValue incomingExceptionPc = i1.asValue(word); CallingConvention outgoingExceptionCc = new CallingConvention(0, ILLEGAL, outgoingException, outgoingExceptionPc); CallingConvention incomingExceptionCc = new CallingConvention(0, ILLEGAL, incomingException, incomingExceptionPc); register(new HotSpotForeignCallLinkage(EXCEPTION_HANDLER, 0L, PRESERVES_REGISTERS, LEAF_NOFP, outgoingExceptionCc, incomingExceptionCc, NOT_REEXECUTABLE, ANY_LOCATION)); register(new HotSpotForeignCallLinkage(EXCEPTION_HANDLER_IN_CALLER, JUMP_ADDRESS, PRESERVES_REGISTERS, LEAF_NOFP, outgoingExceptionCc, incomingExceptionCc, NOT_REEXECUTABLE, ANY_LOCATION)); link(new SPARCDeoptimizationStub(providers, target, registerStubCall(UNCOMMON_TRAP_HANDLER, REEXECUTABLE, LEAF, NO_LOCATIONS))); super.initialize(providers, config); } @Override public Value[] getNativeABICallerSaveRegisters() { return nativeABICallerSaveRegisters; } }