10  * by Oracle in the LICENSE file that accompanied this code.
11  *
12  * This code is distributed in the hope that it will be useful, but WITHOUT
13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15  * version 2 for more details (a copy is included in the LICENSE file that
16  * accompanied this code).
17  *
18  * You should have received a copy of the GNU General Public License version
19  * 2 along with this work; if not, write to the Free Software Foundation,
20  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
21  *
22  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
23  * or visit www.oracle.com if you need additional information or have any
24  * questions.
25  */
26 package jdk.internal.foreign.abi.s390.linux;
27 
28 import jdk.internal.foreign.abi.AbstractLinker;
29 import jdk.internal.foreign.abi.LinkerOptions;

30 
31 import java.lang.foreign.FunctionDescriptor;


32 import java.lang.invoke.MethodHandle;
33 import java.lang.invoke.MethodType;
34 import java.nio.ByteOrder;

35 
36 public final class LinuxS390Linker extends AbstractLinker {
37 



38     public static LinuxS390Linker getInstance() {
39         final class Holder {
40             private static final LinuxS390Linker INSTANCE = new LinuxS390Linker();
41         }
42 
43         return Holder.INSTANCE;
44     }
45 
46     private LinuxS390Linker() {
47         // Ensure there is only one instance
48     }
49 
50     @Override
51     protected MethodHandle arrangeDowncall(MethodType inferredMethodType, FunctionDescriptor function, LinkerOptions options) {
52         return LinuxS390CallArranger.arrangeDowncall(inferredMethodType, function, options);
53     }
54 
55     @Override
56     protected UpcallStubFactory arrangeUpcall(MethodType targetType, FunctionDescriptor function, LinkerOptions options) {
57         return LinuxS390CallArranger.arrangeUpcall(targetType, function, options);
58     }
59 
60     @Override
61     protected ByteOrder linkerByteOrder() {
62         return ByteOrder.BIG_ENDIAN;
63     }





64 }

10  * by Oracle in the LICENSE file that accompanied this code.
11  *
12  * This code is distributed in the hope that it will be useful, but WITHOUT
13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15  * version 2 for more details (a copy is included in the LICENSE file that
16  * accompanied this code).
17  *
18  * You should have received a copy of the GNU General Public License version
19  * 2 along with this work; if not, write to the Free Software Foundation,
20  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
21  *
22  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
23  * or visit www.oracle.com if you need additional information or have any
24  * questions.
25  */
26 package jdk.internal.foreign.abi.s390.linux;
27 
28 import jdk.internal.foreign.abi.AbstractLinker;
29 import jdk.internal.foreign.abi.LinkerOptions;
30 import jdk.internal.foreign.abi.SharedUtils;
31 
32 import java.lang.foreign.FunctionDescriptor;
33 import java.lang.foreign.MemoryLayout;
34 import java.lang.foreign.ValueLayout;
35 import java.lang.invoke.MethodHandle;
36 import java.lang.invoke.MethodType;
37 import java.nio.ByteOrder;
38 import java.util.Map;
39 
40 public final class LinuxS390Linker extends AbstractLinker {
41 
42     private static final Map<String, MemoryLayout> CANONICAL_LAYOUTS =
43             SharedUtils.canonicalLayouts(ValueLayout.JAVA_LONG, ValueLayout.JAVA_LONG, ValueLayout.JAVA_INT);
44 
45     public static LinuxS390Linker getInstance() {
46         final class Holder {
47             private static final LinuxS390Linker INSTANCE = new LinuxS390Linker();
48         }
49 
50         return Holder.INSTANCE;
51     }
52 
53     private LinuxS390Linker() {
54         // Ensure there is only one instance
55     }
56 
57     @Override
58     protected MethodHandle arrangeDowncall(MethodType inferredMethodType, FunctionDescriptor function, LinkerOptions options) {
59         return LinuxS390CallArranger.arrangeDowncall(inferredMethodType, function, options);
60     }
61 
62     @Override
63     protected UpcallStubFactory arrangeUpcall(MethodType targetType, FunctionDescriptor function, LinkerOptions options) {
64         return LinuxS390CallArranger.arrangeUpcall(targetType, function, options);
65     }
66 
67     @Override
68     protected ByteOrder linkerByteOrder() {
69         return ByteOrder.BIG_ENDIAN;
70     }
71 
72     @Override
73     public Map<String, MemoryLayout> canonicalLayouts() {
74         return CANONICAL_LAYOUTS;
75     }
76 }