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 */
48 */
49 private static String osName;
50
51 static {
52 // Find the target arch details
53 String archStr = System.getProperty("os.arch").toLowerCase();
54 if (ByteOrder.nativeOrder() != ByteOrder.LITTLE_ENDIAN) {
55 System.out.println("Only Little Endian byte order supported!");
56 }
57
58 if (archStr.equals("amd64") || archStr.equals("x86_64")) {
59 arch = Elf64_Ehdr.EM_X86_64;
60 } else if (archStr.equals("aarch64")) {
61 arch = Elf64_Ehdr.EM_AARCH64;
62 } else {
63 System.out.println("Unsupported architecture " + archStr);
64 arch = Elf64_Ehdr.EM_NONE;
65 }
66
67 osName = System.getProperty("os.name").toLowerCase();
68 if (!osName.equals("linux") && !osName.equals("sunos")) {
69 System.out.println("Unsupported Operating System " + osName);
70 osName = "Unknown";
71 }
72 }
73
74 static char getElfArch() {
75 return arch;
76 }
77
78 static int getElfEndian() {
79 return endian;
80 }
81
82 static String getOsName() {
83 return osName;
84 }
85 }
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1 /*
2 * Copyright (c) 2016, 2020, 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 */
48 */
49 private static String osName;
50
51 static {
52 // Find the target arch details
53 String archStr = System.getProperty("os.arch").toLowerCase();
54 if (ByteOrder.nativeOrder() != ByteOrder.LITTLE_ENDIAN) {
55 System.out.println("Only Little Endian byte order supported!");
56 }
57
58 if (archStr.equals("amd64") || archStr.equals("x86_64")) {
59 arch = Elf64_Ehdr.EM_X86_64;
60 } else if (archStr.equals("aarch64")) {
61 arch = Elf64_Ehdr.EM_AARCH64;
62 } else {
63 System.out.println("Unsupported architecture " + archStr);
64 arch = Elf64_Ehdr.EM_NONE;
65 }
66
67 osName = System.getProperty("os.name").toLowerCase();
68 if (!osName.equals("linux")) {
69 System.out.println("Unsupported Operating System " + osName);
70 osName = "Unknown";
71 }
72 }
73
74 static char getElfArch() {
75 return arch;
76 }
77
78 static int getElfEndian() {
79 return endian;
80 }
81
82 static String getOsName() {
83 return osName;
84 }
85 }
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