Mercurial > hg > graal-compiler
annotate agent/src/share/classes/sun/jvm/hotspot/tools/Tool.java @ 11054:38ea2efa32a7
8010278: SA: provide mechanism for using an alternative SA debugger back-end.
Reviewed-by: sla, dsamersoff
| author | kevinw |
|---|---|
| date | Wed, 26 Jun 2013 00:01:20 +0100 |
| parents | 5ed317b25e23 |
| children | 7fe6ef09d242 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2002, 2004, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.tools; | |
| 26 | |
| 27 import java.io.PrintStream; | |
| 28 import java.util.Hashtable; | |
| 29 import sun.jvm.hotspot.*; | |
| 30 import sun.jvm.hotspot.runtime.*; | |
| 31 import sun.jvm.hotspot.debugger.*; | |
| 32 | |
| 33 // generic command line or GUI tool. | |
| 34 // override run & code main as shown below. | |
| 35 | |
| 36 public abstract class Tool implements Runnable { | |
| 8103 | 37 private HotSpotAgent agent; |
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38 private JVMDebugger jvmDebugger; |
| 0 | 39 private int debugeeType; |
| 40 | |
| 41 // debugeeType is one of constants below | |
| 42 protected static final int DEBUGEE_PID = 0; | |
| 43 protected static final int DEBUGEE_CORE = 1; | |
| 44 protected static final int DEBUGEE_REMOTE = 2; | |
| 45 | |
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46 public Tool() { |
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47 } |
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48 |
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49 public Tool(JVMDebugger d) { |
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50 jvmDebugger = d; |
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51 } |
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52 |
| 0 | 53 public String getName() { |
| 54 return getClass().getName(); | |
| 55 } | |
| 56 | |
| 57 protected boolean needsJavaPrefix() { | |
| 58 return true; | |
| 59 } | |
| 60 | |
| 8103 | 61 protected void setAgent(HotSpotAgent a) { |
| 0 | 62 agent = a; |
| 63 } | |
| 64 | |
| 65 protected void setDebugeeType(int dt) { | |
| 66 debugeeType = dt; | |
| 67 } | |
| 68 | |
| 8103 | 69 protected HotSpotAgent getAgent() { |
| 0 | 70 return agent; |
| 71 } | |
| 72 | |
| 73 protected int getDebugeeType() { | |
| 74 return debugeeType; | |
| 75 } | |
| 76 | |
| 77 protected void printUsage() { | |
| 78 String name = null; | |
| 79 if (needsJavaPrefix()) { | |
| 80 name = "java " + getName(); | |
| 81 } else { | |
| 82 name = getName(); | |
| 83 } | |
| 84 System.out.println("Usage: " + name + " [option] <pid>"); | |
| 85 System.out.println("\t\t(to connect to a live java process)"); | |
| 86 System.out.println(" or " + name + " [option] <executable> <core>"); | |
| 87 System.out.println("\t\t(to connect to a core file)"); | |
| 88 System.out.println(" or " + name + " [option] [server_id@]<remote server IP or hostname>"); | |
| 89 System.out.println("\t\t(to connect to a remote debug server)"); | |
| 90 System.out.println(); | |
| 91 System.out.println("where option must be one of:"); | |
| 92 printFlagsUsage(); | |
| 93 } | |
| 94 | |
| 95 protected void printFlagsUsage() { | |
| 96 System.out.println(" -h | -help\tto print this help message"); | |
| 97 } | |
| 98 | |
| 99 protected void usage() { | |
| 100 printUsage(); | |
| 101 } | |
| 102 | |
| 103 /* | |
| 104 Derived class main should be of the following form: | |
| 105 | |
| 106 public static void main(String[] args) { | |
| 107 <derived class> obj = new <derived class>; | |
| 108 obj.start(args); | |
| 109 } | |
| 110 | |
| 111 */ | |
| 112 | |
| 113 protected void stop() { | |
| 114 if (agent != null) { | |
| 115 agent.detach(); | |
| 116 } | |
| 117 } | |
| 118 | |
| 119 protected void start(String[] args) { | |
| 120 if ((args.length < 1) || (args.length > 2)) { | |
| 121 usage(); | |
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122 return; |
| 0 | 123 } |
| 124 | |
| 125 // Attempt to handle -h or -help or some invalid flag | |
| 126 if (args[0].startsWith("-")) { | |
| 127 usage(); | |
| 128 } | |
| 129 | |
| 130 PrintStream err = System.err; | |
| 131 | |
| 132 int pid = 0; | |
| 133 String coreFileName = null; | |
| 134 String executableName = null; | |
| 135 String remoteServer = null; | |
| 136 | |
| 137 switch (args.length) { | |
| 138 case 1: | |
| 139 try { | |
| 140 pid = Integer.parseInt(args[0]); | |
| 141 debugeeType = DEBUGEE_PID; | |
| 142 } catch (NumberFormatException e) { | |
| 143 // try remote server | |
| 144 remoteServer = args[0]; | |
| 145 debugeeType = DEBUGEE_REMOTE; | |
| 146 } | |
| 147 break; | |
| 148 | |
| 149 case 2: | |
| 150 executableName = args[0]; | |
| 151 coreFileName = args[1]; | |
| 152 debugeeType = DEBUGEE_CORE; | |
| 153 break; | |
| 154 | |
| 155 default: | |
| 156 usage(); | |
| 157 } | |
| 158 | |
| 8103 | 159 agent = new HotSpotAgent(); |
| 0 | 160 try { |
| 161 switch (debugeeType) { | |
| 162 case DEBUGEE_PID: | |
| 163 err.println("Attaching to process ID " + pid + ", please wait..."); | |
| 164 agent.attach(pid); | |
| 165 break; | |
| 166 | |
| 167 case DEBUGEE_CORE: | |
| 168 err.println("Attaching to core " + coreFileName + | |
| 169 " from executable " + executableName + ", please wait..."); | |
| 170 agent.attach(executableName, coreFileName); | |
| 171 break; | |
| 172 | |
| 173 case DEBUGEE_REMOTE: | |
| 174 err.println("Attaching to remote server " + remoteServer + ", please wait..."); | |
| 175 agent.attach(remoteServer); | |
| 176 break; | |
| 177 } | |
| 178 } | |
| 179 catch (DebuggerException e) { | |
| 180 switch (debugeeType) { | |
| 181 case DEBUGEE_PID: | |
| 182 err.print("Error attaching to process: "); | |
| 183 break; | |
| 184 | |
| 185 case DEBUGEE_CORE: | |
| 186 err.print("Error attaching to core file: "); | |
| 187 break; | |
| 188 | |
| 189 case DEBUGEE_REMOTE: | |
| 190 err.print("Error attaching to remote server: "); | |
| 191 break; | |
| 192 } | |
| 193 if (e.getMessage() != null) { | |
| 194 err.print(e.getMessage()); | |
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195 e.printStackTrace(); |
| 0 | 196 } |
| 197 err.println(); | |
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198 return; |
| 0 | 199 } |
| 200 | |
| 201 err.println("Debugger attached successfully."); | |
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202 startInternal(); |
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203 } |
| 0 | 204 |
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205 // When using an existing JVMDebugger. |
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206 public void start() { |
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207 |
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208 if (jvmDebugger == null) { |
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209 throw new RuntimeException("Tool.start() called with no JVMDebugger set."); |
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210 } |
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211 agent = new HotSpotAgent(); |
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212 agent.attach(jvmDebugger); |
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213 startInternal(); |
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214 } |
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215 |
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216 // Remains of the start mechanism, common to both start methods. |
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217 private void startInternal() { |
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218 |
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219 PrintStream err = System.err; |
| 8103 | 220 VM vm = VM.getVM(); |
| 221 if (vm.isCore()) { | |
| 222 err.println("Core build detected."); | |
| 223 } else if (vm.isClientCompiler()) { | |
| 224 err.println("Client compiler detected."); | |
| 225 } else if (vm.isServerCompiler()) { | |
| 226 err.println("Server compiler detected."); | |
| 227 } else { | |
| 228 throw new RuntimeException("Fatal error: " | |
| 229 + "should have been able to detect core/C1/C2 build"); | |
| 230 } | |
| 0 | 231 |
| 8103 | 232 String version = vm.getVMRelease(); |
| 233 if (version != null) { | |
| 234 err.print("JVM version is "); | |
| 235 err.println(version); | |
| 236 } | |
| 0 | 237 |
| 8103 | 238 run(); |
| 0 | 239 } |
| 240 } |