100 lines
2.9 KiB
C++
100 lines
2.9 KiB
C++
/*
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* Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#ifndef SHARE_JVMCI_JVMCI_HPP
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#define SHARE_JVMCI_JVMCI_HPP
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#include "compiler/compilerDefinitions.hpp"
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#include "utilities/exceptions.hpp"
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class BoolObjectClosure;
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class constantPoolHandle;
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class JavaThread;
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class JVMCIEnv;
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class JVMCIRuntime;
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class Metadata;
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class MetadataHandleBlock;
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class OopClosure;
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class OopStorage;
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struct _jmetadata;
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typedef struct _jmetadata *jmetadata;
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class JVMCI : public AllStatic {
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friend class JVMCIRuntime;
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friend class JVMCIEnv;
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private:
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// Handles to Metadata objects.
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static MetadataHandleBlock* _metadata_handles;
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// Access to the HotSpotJVMCIRuntime used by the CompileBroker.
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static JVMCIRuntime* _compiler_runtime;
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// Access to the HotSpotJVMCIRuntime used by Java code running on the
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// HotSpot heap. It will be the same as _compiler_runtime if
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// UseJVMCINativeLibrary is false
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static JVMCIRuntime* _java_runtime;
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public:
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enum CodeInstallResult {
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ok,
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dependencies_failed,
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cache_full,
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code_too_large
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};
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static void do_unloading(bool unloading_occurred);
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static void metadata_do(void f(Metadata*));
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static void shutdown();
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static bool shutdown_called();
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static bool is_compiler_initialized();
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/**
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* Determines if the VM is sufficiently booted to initialize JVMCI.
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*/
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static bool can_initialize_JVMCI();
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static void initialize_globals();
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static void initialize_compiler(TRAPS);
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static jobject make_global(const Handle& obj);
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static void destroy_global(jobject handle);
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static bool is_global_handle(jobject handle);
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static jmetadata allocate_handle(const methodHandle& handle);
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static jmetadata allocate_handle(const constantPoolHandle& handle);
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static void release_handle(jmetadata handle);
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static JVMCIRuntime* compiler_runtime() { return _compiler_runtime; }
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static JVMCIRuntime* java_runtime() { return _java_runtime; }
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};
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#endif // SHARE_JVMCI_JVMCI_HPP
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