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test/hotspot/gtest/code/test_vtableStub.cpp

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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 ZERO
31 
32 TEST_VM(code, vtableStubs) {
33   // Should be in VM to use locks
34   ThreadInVMfromNative ThreadInVMfromNative(JavaThread::current());
35 
36   VtableStubs::find_vtable_stub(0); // min vtable index
37   for (int i = 0; i < 15; i++) {
38     VtableStubs::find_vtable_stub((1 << i) - 1);
39     VtableStubs::find_vtable_stub((1 << i));
40   }
41   VtableStubs::find_vtable_stub((1 << 15) - 1); // max vtable index
42 }
43 
44 TEST_VM(code, itableStubs) {
45   // Should be in VM to use locks
46   ThreadInVMfromNative ThreadInVMfromNative(JavaThread::current());
47 
48   VtableStubs::find_itable_stub(0); // min itable index
49   for (int i = 0; i < 15; i++) {
50     VtableStubs::find_itable_stub((1 << i) - 1);
51     VtableStubs::find_itable_stub((1 << i));
52   }
53   VtableStubs::find_itable_stub((1 << 15) - 1); // max itable index
54 }
55 
56 #endif

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 ZERO
31 
32 TEST_VM(code, vtableStubs) {
33   // Should be in VM to use locks
34   ThreadInVMfromNative ThreadInVMfromNative(JavaThread::current());
35 
36   VtableStubs::find_vtable_stub(0, false); // min vtable index
37   for (int i = 0; i < 15; i++) {
38     VtableStubs::find_vtable_stub((1 << i) - 1, false);
39     VtableStubs::find_vtable_stub((1 << i), false);
40   }
41   VtableStubs::find_vtable_stub((1 << 15) - 1, false); // max vtable index
42 }
43 
44 TEST_VM(code, itableStubs) {
45   // Should be in VM to use locks
46   ThreadInVMfromNative ThreadInVMfromNative(JavaThread::current());
47 
48   VtableStubs::find_itable_stub(0, false); // min itable index
49   for (int i = 0; i < 15; i++) {
50     VtableStubs::find_itable_stub((1 << i) - 1, false);
51     VtableStubs::find_itable_stub((1 << i), false);
52   }
53   VtableStubs::find_itable_stub((1 << 15) - 1, false); // max itable index
54 }
55 
56 #endif
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