hotspot/src/share/vm/prims/nativeLookup.hpp
author coleenp
Fri, 23 Oct 2015 16:48:38 -0400
changeset 33593 60764a78fa5c
parent 11637 030466036615
child 37466 287c4ebd11b0
permissions -rw-r--r--
8140274: methodHandles and constantPoolHandles should be passed as const references Summary: modified code to use const reference parameters Reviewed-by: sspitsyn, twisti

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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#ifndef SHARE_VM_PRIMS_NATIVELOOKUP_HPP
#define SHARE_VM_PRIMS_NATIVELOOKUP_HPP

#include "runtime/handles.hpp"
#include "utilities/top.hpp"

// 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(const methodHandle& method);
  static char* long_jni_name(const methodHandle& method);
  static char* critical_jni_name(const methodHandle& method);

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

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

#endif // SHARE_VM_PRIMS_NATIVELOOKUP_HPP