1 /*
2  * Copyright (c) 2002, 2017, 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
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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
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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24 
25 package sun.jvm.hotspot.debugger.linux;
26 
27 import java.lang.reflect.*;
28 import sun.jvm.hotspot.debugger.*;
29 import sun.jvm.hotspot.debugger.linux.amd64.*;
30 import sun.jvm.hotspot.debugger.linux.x86.*;
31 import sun.jvm.hotspot.debugger.linux.ppc64.*;
32 import sun.jvm.hotspot.debugger.linux.sparc.*;
33 
34 class LinuxThreadContextFactory {
createThreadContext(LinuxDebugger dbg)35    static ThreadContext createThreadContext(LinuxDebugger dbg) {
36       String cpu = dbg.getCPU();
37       if (cpu.equals("x86")) {
38          return new LinuxX86ThreadContext(dbg);
39       } else if (cpu.equals("amd64")) {
40          return new LinuxAMD64ThreadContext(dbg);
41       } else if (cpu.equals("sparc")) {
42          return new LinuxSPARCThreadContext(dbg);
43       }  else if (cpu.equals("ppc64")) {
44           return new LinuxPPC64ThreadContext(dbg);
45       } else  {
46         try {
47           Class tcc = Class.forName("sun.jvm.hotspot.debugger.linux." +
48              cpu.toLowerCase() + ".Linux" + cpu.toUpperCase() +
49              "ThreadContext");
50           Constructor[] ctcc = tcc.getConstructors();
51           return (ThreadContext)ctcc[0].newInstance(dbg);
52         } catch (Exception e) {
53           throw new RuntimeException("cpu " + cpu + " is not yet supported");
54         }
55       }
56    }
57 }
58