Mercurial > hg > graal-compiler
view src/share/vm/graal/graalVmIds.hpp @ 3153:5ca1332171c8
Fixed an issue in the HotSpot code for rethrowing an exception at deopt (wrong values on the expression stack caused a crash when GC and deopt happened at the same time).
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Tue, 05 Jul 2011 18:55:22 +0200 |
parents | f00918f35c7f |
children | 136ea96eb7f8 |
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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 { private: static GrowableArray<address>* _stubs; static GrowableArray<jobject>* _localHandles; static oop getObject(jlong id); public: // these constants needs to have the same values as the one in HotSpotProxy.java static const jlong STUB = 0x100000000000000LL; // address static const jlong METHOD = 0x200000000000000LL; // methodOop static const jlong CLASS = 0x300000000000000LL; // klassOop static const jlong CONSTANT_POOL = 0x500000000000000LL; // constantPoolOop static const jlong CONSTANT = 0x600000000000000LL; // oop static const jlong TYPE_MASK = 0xf00000000000000LL; static const jlong DUMMY_CONSTANT = 0x6ffffffffffffffLL; // Initializes the VmIds for a compilation, by creating the arrays static void initializeObjects(); // Cleans up after a compilation, by deallocating the arrays static void cleanupLocalObjects(); // Adds a stub address, and returns the corresponding vmId (which is of type STUB) static jlong addStub(address stub); // Adds an object, and returns the corresponding vmId (with the given type) static jlong add(Handle obj, jlong type); // Adds an object, and returns the corresponding vmId (the type of which is determined by the template parameter) template <typename T> static jlong add(T obj); // 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); // Returns the object with the given id, the return type is defined by the template parameter (which must correspond to the actual type of the vmId) template <typename T> static T get(jlong 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); }; template <> inline jlong VmIds::add<klassOop>(klassOop obj) { assert(obj != NULL, "trying to add NULL<klassOop>"); assert(obj->is_klass(), "trying to add mistyped object"); return add(Handle(obj), CLASS); } template <> inline jlong VmIds::add<constantPoolOop>(constantPoolOop obj) { assert(obj != NULL, "trying to add NULL<constantPoolOop>"); assert(obj->is_constantPool(), "trying to add mistyped object"); return add(Handle(obj), CONSTANT_POOL); } template <> inline jlong VmIds::add<oop>(oop obj) { assert(obj != NULL, "trying to add NULL<oop>"); assert(obj->is_oop(), "trying to add mistyped object"); return add(Handle(obj), CONSTANT); } template <> inline klassOop VmIds::get<klassOop>(jlong id) { assert((id & TYPE_MASK) == CLASS, "CLASS expected"); assert(getObject(id)->is_klass(), "klassOop expected"); return (klassOop)getObject(id); } template <> inline constantPoolOop VmIds::get<constantPoolOop>(jlong id) { assert((id & TYPE_MASK) == CONSTANT_POOL, "CONSTANT_POOL expected"); assert(getObject(id)->is_constantPool(), "constantPoolOop expected"); return (constantPoolOop)getObject(id); } template <> inline oop VmIds::get<oop>(jlong id) { assert((id & TYPE_MASK) == CONSTANT, "CONSTANT expected"); assert(getObject(id)->is_oop(true), "oop expected"); return (oop)getObject(id); } 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_or_null(JNIHandles::resolve(string)); } 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)); }