Mercurial > hg > truffle
view src/share/vm/graal/graalVmIds.hpp @ 5731:3d5e2e330ae3
Merge
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Thu, 28 Jun 2012 16:04:37 +0200 |
parents | 14a00ee82980 |
children | 120820e30baa |
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/* * Copyright (c) 2011, 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. */ #include "memory/allocation.hpp" #include "utilities/growableArray.hpp" #include "oops/oop.hpp" #include "runtime/handles.hpp" #include "runtime/thread.hpp" #include "classfile/javaClasses.hpp" #include "runtime/jniHandles.hpp" class VmIds : public AllStatic { public: // Adds a stub address, and returns the corresponding vmId (which is of type STUB) static jlong addStub(address stub); // Returns the stub address with the given vmId static address getStub(jlong id); // Returns the stub address with the given vmId taken from a java.lang.Long static address getStub(oop id); // Helper function to convert a symbol to a java.lang.String object template <typename T> static T toString(Symbol* symbol, TRAPS); // Helper function to convert a java.lang.String object to a symbol (this will return NULL if the symbol doesn't exist in the system) static Symbol* toSymbol(jstring string); // Helper function to get the contents of a java.lang.Long static jlong getBoxedLong(oop obj); }; inline address VmIds::getStub(oop obj) { return getStub(getBoxedLong(obj)); } template <> inline Handle VmIds::toString<Handle>(Symbol* symbol, TRAPS) { return java_lang_String::create_from_symbol(symbol, THREAD); } template <> inline oop VmIds::toString<oop>(Symbol* symbol, TRAPS) { return toString<Handle>(symbol, THREAD)(); } template <> inline jstring VmIds::toString<jstring>(Symbol* symbol, TRAPS) { return (jstring)JNIHandles::make_local(toString<oop>(symbol, THREAD)); } template <> inline jobject VmIds::toString<jobject>(Symbol* symbol, TRAPS) { return JNIHandles::make_local(toString<oop>(symbol, THREAD)); } inline Symbol* VmIds::toSymbol(jstring string) { return java_lang_String::as_symbol(JNIHandles::resolve(string), Thread::current()); } inline jlong VmIds::getBoxedLong(oop obj) { assert(obj->is_oop(true), "cannot unbox null or non-oop"); return obj->long_field(java_lang_boxing_object::value_offset_in_bytes(T_LONG)); }