1 /* 2 * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 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 extern "C" { 26 // Report a JNI failure caught by -Xcheck:jni. Perform a core dump. 27 // Note: two variations -- one to be called when in VM state (e.g. when 28 // within IN_VM macro), one to be called when in NATIVE state. 29 30 // When in VM state: 31 static void ReportJNIFatalError(JavaThread* thr, const char *msg) { 32 tty->print_cr("FATAL ERROR in native method: %s", msg); 33 thr->print_stack(); 34 os::abort(true); 35 } 36 } 37 38 // 39 // Checked JNI routines that are useful for outside of checked JNI 40 // 41 42 class jniCheck : public AllStatic { 43 public: 44 static oop validate_handle(JavaThread* thr, jobject obj); 45 static oop validate_object(JavaThread* thr, jobject obj); 46 static klassOop validate_class(JavaThread* thr, jclass clazz, bool allow_primitive = false); 47 static void validate_class_descriptor(JavaThread* thr, const char* name); 48 static void validate_throwable_klass(JavaThread* thr, klassOop klass); 49 static void validate_call_object(JavaThread* thr, jobject obj, jmethodID method_id); 50 static void validate_call_class(JavaThread* thr, jclass clazz, jmethodID method_id); 51 static methodOop validate_jmethod_id(JavaThread* thr, jmethodID method_id); 52 };