57 lines
2.4 KiB
C++
57 lines
2.4 KiB
C++
/*
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* Copyright (c) 1997, 2012, 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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*/
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#ifndef SHARE_VM_PRIMS_NATIVELOOKUP_HPP
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#define SHARE_VM_PRIMS_NATIVELOOKUP_HPP
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#include "runtime/handles.hpp"
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#include "utilities/top.hpp"
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// NativeLookup provides an interface for finding DLL entry points for
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// Java native functions.
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class NativeLookup : AllStatic {
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private:
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// JNI name computation
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static char* pure_jni_name(methodHandle method);
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static char* long_jni_name(methodHandle method);
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static char* critical_jni_name(methodHandle method);
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// Style specific lookup
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static address lookup_style(methodHandle method, char* pure_name, const char* long_name, int args_size, bool os_style, bool& in_base_library, TRAPS);
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static address lookup_critical_style(methodHandle method, char* pure_name, const char* long_name, int args_size, bool os_style);
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static address lookup_base (methodHandle method, bool& in_base_library, TRAPS);
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static address lookup_entry(methodHandle method, bool& in_base_library, TRAPS);
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static address lookup_entry_prefixed(methodHandle method, bool& in_base_library, TRAPS);
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public:
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// Lookup native function. May throw UnsatisfiedLinkError.
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static address lookup(methodHandle method, bool& in_base_library, TRAPS);
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static address lookup_critical_entry(methodHandle method);
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// Lookup native functions in base library.
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static address base_library_lookup(const char* class_name, const char* method_name, const char* signature);
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};
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#endif // SHARE_VM_PRIMS_NATIVELOOKUP_HPP
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