hotspot/src/share/vm/prims/nativeLookup.hpp
author jrose
Sat, 30 Oct 2010 12:19:07 -0700
changeset 7113 f05a0ba2802f
parent 5547 f4b087cbb361
child 7397 5b173b4ca846
permissions -rw-r--r--
6981777: implement JSR 292 EG adjustments from summer 2010 Summary: Small bug fix to make "raw" adapters work for JDK changes under 6981777 Reviewed-by: twisti

/*
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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// NativeLookup provides an interface for finding DLL entry points for
// Java native functions.

class NativeLookup : AllStatic {
 private:
  // JNI name computation
  static char* pure_jni_name(methodHandle method);
  static char* long_jni_name(methodHandle method);

  // Style specific lookup
  static address lookup_style(methodHandle method, char* pure_name, const char* long_name, int args_size, bool os_style, bool& in_base_library, TRAPS);
  static address lookup_base (methodHandle method, bool& in_base_library, TRAPS);
  static address lookup_entry(methodHandle method, bool& in_base_library, TRAPS);
  static address lookup_entry_prefixed(methodHandle method, bool& in_base_library, TRAPS);
 public:
  // Lookup native function. May throw UnsatisfiedLinkError.
  static address lookup(methodHandle method, bool& in_base_library, TRAPS);

  // Lookup native functions in base library.
  static address base_library_lookup(const char* class_name, const char* method_name, const char* signature);
};