Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotForeignCallsProvider.java @ 15831:1ddee372bf62
Make classes extensible
author | Christian Wimmer <christian.wimmer@oracle.com> |
---|---|
date | Tue, 20 May 2014 18:55:59 -0700 |
parents | bb97b75d1d65 |
children | af0e42dad358 |
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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.amd64; import static com.oracle.graal.amd64.AMD64.*; import static com.oracle.graal.api.code.CallingConvention.Type.*; 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.hotspot.replacements.AESCryptSubstitutions.*; import static com.oracle.graal.hotspot.replacements.CRC32Substitutions.*; import static com.oracle.graal.hotspot.replacements.CipherBlockChainingSubstitutions.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.*; import com.oracle.graal.hotspot.*; import com.oracle.graal.hotspot.meta.*; public class AMD64HotSpotForeignCallsProvider extends HotSpotHostForeignCallsProvider { private final Value[] nativeABICallerSaveRegisters; public AMD64HotSpotForeignCallsProvider(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_x86_64.cpp around line 1923 RegisterValue exception = rax.asValue(Kind.Object); RegisterValue exceptionPc = rdx.asValue(word); CallingConvention exceptionCc = new CallingConvention(0, ILLEGAL, exception, exceptionPc); register(new HotSpotForeignCallLinkage(EXCEPTION_HANDLER, 0L, PRESERVES_REGISTERS, LEAF_NOFP, null, exceptionCc, NOT_REEXECUTABLE, ANY_LOCATION)); register(new HotSpotForeignCallLinkage(EXCEPTION_HANDLER_IN_CALLER, JUMP_ADDRESS, PRESERVES_REGISTERS, LEAF_NOFP, exceptionCc, null, NOT_REEXECUTABLE, ANY_LOCATION)); link(new AMD64DeoptimizationStub(providers, target, registerStubCall(DEOPTIMIZATION_HANDLER, REEXECUTABLE, LEAF, NO_LOCATIONS))); link(new AMD64UncommonTrapStub(providers, target, registerStubCall(UNCOMMON_TRAP_HANDLER, REEXECUTABLE, LEAF, NO_LOCATIONS))); // When the java.ext.dirs property is modified then the crypto classes might not be found. // If that's the case we ignore the ClassNotFoundException and continue since we cannot // replace a non-existing method anyway. try { // These stubs do callee saving registerForeignCall(ENCRYPT_BLOCK, config.aescryptEncryptBlockStub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, NOT_REEXECUTABLE, NamedLocationIdentity.getArrayLocation(Kind.Byte)); registerForeignCall(DECRYPT_BLOCK, config.aescryptDecryptBlockStub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, NOT_REEXECUTABLE, NamedLocationIdentity.getArrayLocation(Kind.Byte)); } catch (GraalInternalError e) { if (!(e.getCause() instanceof ClassNotFoundException)) { throw e; } } try { // These stubs do callee saving registerForeignCall(ENCRYPT, config.cipherBlockChainingEncryptAESCryptStub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, NOT_REEXECUTABLE, NamedLocationIdentity.getArrayLocation(Kind.Byte)); registerForeignCall(DECRYPT, config.cipherBlockChainingDecryptAESCryptStub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, NOT_REEXECUTABLE, NamedLocationIdentity.getArrayLocation(Kind.Byte)); } catch (GraalInternalError e) { if (!(e.getCause() instanceof ClassNotFoundException)) { throw e; } } // These stubs do callee saving registerForeignCall(UPDATE_BYTES_CRC32, config.updateBytesCRC32Stub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, NOT_REEXECUTABLE, ANY_LOCATION); super.initialize(providers, config); } @Override public Value[] getNativeABICallerSaveRegisters() { return nativeABICallerSaveRegisters; } }