Mercurial > hg > truffle
view graal/com.oracle.graal.api.code/src/com/oracle/graal/api/code/CodeCacheProvider.java @ 6996:eec373d34caf
added support for annotated Constants and used it to track Klass* values in Graal and register them in the metadata section of a nmethod during code installation
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 20 Nov 2012 22:49:27 +0100 |
parents | c162fcf45ce7 |
children | 445193cc2a7d |
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/* * Copyright (c) 2009, 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.api.code; import com.oracle.graal.api.code.CompilationResult.DataPatch; import com.oracle.graal.api.code.RuntimeCall.Descriptor; import com.oracle.graal.api.meta.*; /** * Encapsulates the main functionality of the runtime for the compiler. */ public interface CodeCacheProvider extends MetaAccessProvider { /** * Adds the given compilation result as an implementation of the given method without making it the default * implementation. * * @param method a method to which the executable code is begin added * @param compResult the compilation result to be added * @param info the object into which details of the installed code will be written. Ignored if null, otherwise the * info is written to index 0 of this array. * @return a reference to the compiled and ready-to-run code */ InstalledCode addMethod(ResolvedJavaMethod method, CompilationResult compResult, CodeInfo[] info); /** * Returns the size in bytes for locking information on the stack. */ int getSizeOfLockData(); /** * Returns a disassembly of the given installed code. * * @param code the code that should be disassembled * @return a disassembly. This will be of length 0 if the runtime does not support disassembling. */ String disassemble(CodeInfo code, CompilationResult tm); /** * Gets the register configuration to use when compiling a given method. * * @param method the top level method of a compilation */ RegisterConfig lookupRegisterConfig(JavaMethod method); /** * Custom area on the stack of each compiled method that the VM can use for its own purposes. * * @return the size of the custom area in bytes */ int getCustomStackAreaSize(); /** * Minimum size of the stack area reserved for outgoing parameters. This area is reserved in all cases, even when * the compiled method has no regular call instructions. * * @return the minimum size of the outgoing parameter area in bytes */ int getMinimumOutgoingSize(); /** * Performs any runtime-specific conversion on the object used to describe the target of a call. */ Object lookupCallTarget(Object target); /** * Gets the signature and linkage information for a runtime call. */ RuntimeCall lookupRuntimeCall(Descriptor descriptor); /** * Encodes a deoptimization action and a deoptimization reason in an integer value. * * @return the encoded value as an integer */ int encodeDeoptActionAndReason(DeoptimizationAction action, DeoptimizationReason reason); /** * Determines if a {@link DataPatch} should be created for a given {@linkplain Constant#getPrimitiveAnnotation() annotated} * primitive constant that part of a {@link CompilationResult}. A data patch is always * created for an object constant. */ boolean needsDataPatch(Constant constant); }