1 /*
2 * Copyright (c) 2016, 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 package jdk.tools.jaotc;
25
26 import jdk.tools.jaotc.amd64.AMD64InstructionDecoder;
27
28 import jdk.vm.ci.amd64.AMD64;
29 import jdk.vm.ci.code.Architecture;
30 import jdk.vm.ci.code.TargetDescription;
31
32 public abstract class InstructionDecoder {
33
34 public static InstructionDecoder getInstructionDecoder(TargetDescription target) {
35 Architecture architecture = target.arch;
36 if (architecture instanceof AMD64) {
37 return new AMD64InstructionDecoder(target);
38 } else {
39 throw new InternalError("Unsupported architecture " + architecture);
40 }
41 }
42
43 public abstract void decodePosition(final byte[] code, int pcOffset);
44
45 public abstract int currentEndOfInstruction();
46
47 }
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1 /*
2 * Copyright (c) 2016, 2018, 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 package jdk.tools.jaotc;
25
26 import jdk.tools.jaotc.amd64.AMD64InstructionDecoder;
27 import jdk.tools.jaotc.aarch64.AArch64InstructionDecoder;
28
29 import jdk.vm.ci.amd64.AMD64;
30 import jdk.vm.ci.aarch64.AArch64;
31 import jdk.vm.ci.code.Architecture;
32 import jdk.vm.ci.code.TargetDescription;
33
34 public abstract class InstructionDecoder {
35
36 public static InstructionDecoder getInstructionDecoder(TargetDescription target) {
37 Architecture architecture = target.arch;
38 if (architecture instanceof AMD64) {
39 return new AMD64InstructionDecoder(target);
40 } else if (architecture instanceof AArch64) {
41 return new AArch64InstructionDecoder(target);
42 } else {
43 throw new InternalError("Unsupported architecture " + architecture);
44 }
45 }
46
47 public abstract void decodePosition(final byte[] code, int pcOffset);
48
49 public abstract int currentEndOfInstruction();
50
51 }
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