Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotRuntime.java @ 9793:b4f12c603be5
added support for the runtime to specify for each foreign call whether it is re-executable and what memory locations it kills
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 22 May 2013 16:27:25 +0200 |
parents | 9a32908912ae |
children | 886c2df7a7e4 |
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/* * Copyright (c) 2012, 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.HotSpotBackend.*; 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.replacements.AESCryptSubstitutions.*; import static com.oracle.graal.hotspot.replacements.CipherBlockChainingSubstitutions.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.*; import com.oracle.graal.hotspot.*; import com.oracle.graal.hotspot.meta.*; import com.oracle.graal.nodes.calc.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.replacements.amd64.*; public class AMD64HotSpotRuntime extends HotSpotRuntime { public AMD64HotSpotRuntime(HotSpotVMConfig config, HotSpotGraalRuntime graalRuntime) { super(config, graalRuntime); } private AMD64ConvertSnippets.Templates convertSnippets; @Override public void registerReplacements(Replacements replacements) { Kind word = graalRuntime.getTarget().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, exceptionCc, NOT_REEXECUTABLE, ANY_LOCATION)); register(new HotSpotForeignCallLinkage(EXCEPTION_HANDLER_IN_CALLER, JUMP_ADDRESS, PRESERVES_REGISTERS, LEAF, exceptionCc, NOT_REEXECUTABLE, ANY_LOCATION)); // The x86 crypto stubs do callee saving registerForeignCall(ENCRYPT_BLOCK, config.aescryptEncryptBlockStub, NativeCall, PRESERVES_REGISTERS, LEAF, NOT_REEXECUTABLE, ANY_LOCATION); registerForeignCall(DECRYPT_BLOCK, config.aescryptDecryptBlockStub, NativeCall, PRESERVES_REGISTERS, LEAF, NOT_REEXECUTABLE, ANY_LOCATION); registerForeignCall(ENCRYPT, config.cipherBlockChainingEncryptAESCryptStub, NativeCall, PRESERVES_REGISTERS, LEAF, NOT_REEXECUTABLE, ANY_LOCATION); registerForeignCall(DECRYPT, config.cipherBlockChainingDecryptAESCryptStub, NativeCall, PRESERVES_REGISTERS, LEAF, NOT_REEXECUTABLE, ANY_LOCATION); convertSnippets = new AMD64ConvertSnippets.Templates(this, replacements, graalRuntime.getTarget()); super.registerReplacements(replacements); } @Override public void lower(Node n, LoweringTool tool) { if (n instanceof ConvertNode) { convertSnippets.lower((ConvertNode) n, tool); } else { super.lower(n, tool); } } @Override public Register threadRegister() { return r15; } @Override public Register stackPointerRegister() { return rsp; } @Override protected RegisterConfig createRegisterConfig() { return new AMD64HotSpotRegisterConfig(graalRuntime.getTarget().arch, config); } }