1 /* 2 * Copyright (c) 2017, 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 #include "precompiled.hpp" 26 #include "code/vtableStubs.hpp" 27 #include "runtime/interfaceSupport.inline.hpp" 28 #include "unittest.hpp" 29 30 TEST_VM(code, vtableStubs) { 31 // Should be in VM to use locks 32 ThreadInVMfromNative ThreadInVMfromNative(JavaThread::current()); 33 34 VtableStubs::find_vtable_stub(0); // min vtable index 35 for (int i = 0; i < 15; i++) { 36 VtableStubs::find_vtable_stub((1 << i) - 1); 37 VtableStubs::find_vtable_stub((1 << i)); 38 } 39 VtableStubs::find_vtable_stub((1 << 15) - 1); // max vtable index 40 } 41 42 TEST_VM(code, itableStubs) { 43 // Should be in VM to use locks 44 ThreadInVMfromNative ThreadInVMfromNative(JavaThread::current()); 45 46 VtableStubs::find_itable_stub(0); // min itable index 47 for (int i = 0; i < 15; i++) { 48 VtableStubs::find_itable_stub((1 << i) - 1); 49 VtableStubs::find_itable_stub((1 << i)); 50 } 51 VtableStubs::find_itable_stub((1 << 15) - 1); // max itable index 52 }