1 /* 2 * Copyright (c) 2003, 2019, 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 #ifndef SHARE_PRIMS_JNICHECK_HPP 26 #define SHARE_PRIMS_JNICHECK_HPP 27 28 #include "runtime/thread.hpp" 29 30 extern "C" { 31 // Report a JNI failure caught by -Xcheck:jni. Perform a core dump. 32 // Note: two variations -- one to be called when in VM state (e.g. when 33 // within IN_VM macro), one to be called when in NATIVE state. 34 35 // When in VM state: ReportJNIFatalError(JavaThread * thr,const char * msg)36 static inline void ReportJNIFatalError(JavaThread* thr, const char *msg) { 37 tty->print_cr("FATAL ERROR in native method: %s", msg); 38 thr->print_stack(); 39 os::abort(true); 40 } 41 } 42 43 // 44 // Checked JNI routines that are useful for outside of checked JNI 45 // 46 47 class jniCheck : public AllStatic { 48 public: 49 static oop validate_handle(JavaThread* thr, jobject obj); 50 static oop validate_object(JavaThread* thr, jobject obj); 51 static Klass* validate_class(JavaThread* thr, jclass clazz, bool allow_primitive = false); 52 static void validate_class_descriptor(JavaThread* thr, const char* name); 53 static void validate_throwable_klass(JavaThread* thr, Klass* klass); 54 static void validate_call(JavaThread* thr, jclass clazz, jmethodID method_id, jobject obj = NULL); 55 static Method* validate_jmethod_id(JavaThread* thr, jmethodID method_id); 56 }; 57 58 #endif // SHARE_PRIMS_JNICHECK_HPP 59