jdk
1/*
2* Copyright (c) 2017, 2021, 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#ifndef ZERO31
32TEST_VM(code, vtableStubs) {33// Should be in VM to use locks34ThreadInVMfromNative ThreadInVMfromNative(JavaThread::current());35
36VtableStubs::find_vtable_stub(0); // min vtable index37for (int i = 0; i < 15; i++) {38VtableStubs::find_vtable_stub((1 << i) - 1);39VtableStubs::find_vtable_stub((1 << i));40}41VtableStubs::find_vtable_stub((1 << 15) - 1); // max vtable index42}
43
44TEST_VM(code, itableStubs) {45// Should be in VM to use locks46ThreadInVMfromNative ThreadInVMfromNative(JavaThread::current());47
48VtableStubs::find_itable_stub(0); // min itable index49for (int i = 0; i < 15; i++) {50VtableStubs::find_itable_stub((1 << i) - 1);51VtableStubs::find_itable_stub((1 << i));52}53VtableStubs::find_itable_stub((1 << 15) - 1); // max itable index54}
55
56#endif57