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products/sources/formale Sprachen/Java/Openjdk/src/hotspot/share/prims/ (Sun/Oracle ^©) Datei vom 13.11.2022 mit Größe 2 kB

Quelle jniCheck.hpp Sprache: C

/*
* Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
* 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).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/

#ifndef SHARE_PRIMS_JNICHECK_HPP
#define SHARE_PRIMS_JNICHECK_HPP

#include "runtime/javaThread.hpp"

extern "C" {
  // Report a JNI failure caught by -Xcheck:jni.  Perform a core dump.
  // Note: two variations -- one to be called when in VM state (e.g. when
  // within IN_VM macro), one to be called when in NATIVE state.

  // When in VM state:
  static inline void ReportJNIFatalError(JavaThread* thr, const char *msg) {
    tty->print_cr("FATAL ERROR in native method: %s", msg);
    thr->print_stack();
    os::abort(true);
  }
}

//
// Checked JNI routines that are useful for outside of checked JNI
//

class jniCheck : public AllStatic {
public:
  static oop validate_handle(JavaThread* thr, jobject obj);
  static oop validate_object(JavaThread* thr, jobject obj);
  static Klass* validate_class(JavaThread* thr, jclass clazz, bool allow_primitive = false);
  static void validate_class_descriptor(JavaThread* thr, const char* name);
  static void validate_throwable_klass(JavaThread* thr, Klass* klass);
  static void validate_call(JavaThread* thr, jclass clazz, jmethodID method_id, jobject obj = NULL);
  static Method* validate_jmethod_id(JavaThread* thr, jmethodID method_id);
};

#endif // SHARE_PRIMS_JNICHECK_HPP

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