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src/hotspot/share/prims/nativeLookup.hpp

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  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_PRIMS_NATIVELOOKUP_HPP
  26 #define SHARE_PRIMS_NATIVELOOKUP_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 #include "runtime/handles.hpp"
  30 
  31 // NativeLookup provides an interface for finding DLL entry points for
  32 // Java native functions.
  33 
  34 class NativeLookup : AllStatic {
  35  private:





  36   // Style specific lookup
  37   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);
  38   static address lookup_critical_style(const methodHandle& method, char* pure_name, const char* long_name, int args_size, bool os_style);
  39   static address lookup_base (const methodHandle& method, bool& in_base_library, TRAPS);
  40   static address lookup_entry(const methodHandle& method, bool& in_base_library, TRAPS);
  41   static address lookup_entry_prefixed(const methodHandle& method, bool& in_base_library, TRAPS);
  42  public:
  43   // JNI name computation
  44   static char* pure_jni_name(const methodHandle& method);
  45   static char* long_jni_name(const methodHandle& method);
  46   static char* critical_jni_name(const methodHandle& method);
  47 
  48   // Lookup native function. May throw UnsatisfiedLinkError.
  49   static address lookup(const methodHandle& method, bool& in_base_library, TRAPS);
  50   static address lookup_critical_entry(const methodHandle& method);
  51 
  52   // Lookup native functions in base library.
  53   static address base_library_lookup(const char* class_name, const char* method_name, const char* signature);
  54 };
  55 
  56 #endif // SHARE_PRIMS_NATIVELOOKUP_HPP


  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_PRIMS_NATIVELOOKUP_HPP
  26 #define SHARE_PRIMS_NATIVELOOKUP_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 #include "runtime/handles.hpp"
  30 
  31 // NativeLookup provides an interface for finding DLL entry points for
  32 // Java native functions.
  33 
  34 class NativeLookup : AllStatic {
  35  private:
  36   // JNI name computation
  37   static char* pure_jni_name(const methodHandle& method);
  38   static char* long_jni_name(const methodHandle& method);
  39   static char* critical_jni_name(const methodHandle& method);
  40 
  41   // Style specific lookup
  42   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);
  43   static address lookup_critical_style(const methodHandle& method, char* pure_name, const char* long_name, int args_size, bool os_style);
  44   static address lookup_base (const methodHandle& method, bool& in_base_library, TRAPS);
  45   static address lookup_entry(const methodHandle& method, bool& in_base_library, TRAPS);
  46   static address lookup_entry_prefixed(const methodHandle& method, bool& in_base_library, TRAPS);
  47  public:





  48   // Lookup native function. May throw UnsatisfiedLinkError.
  49   static address lookup(const methodHandle& method, bool& in_base_library, TRAPS);
  50   static address lookup_critical_entry(const methodHandle& method);
  51 
  52   // Lookup native functions in base library.
  53   static address base_library_lookup(const char* class_name, const char* method_name, const char* signature);
  54 };
  55 
  56 #endif // SHARE_PRIMS_NATIVELOOKUP_HPP
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