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0
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1 /*
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2 * Copyright 2002-2004 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.debugger.proc;
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26
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27 import java.io.*;
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28 import java.net.*;
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29 import java.util.*;
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30 import sun.jvm.hotspot.debugger.*;
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31 import sun.jvm.hotspot.debugger.cdbg.*;
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32 import sun.jvm.hotspot.debugger.proc.amd64.*;
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33 import sun.jvm.hotspot.debugger.proc.sparc.*;
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34 import sun.jvm.hotspot.debugger.proc.x86.*;
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35 import sun.jvm.hotspot.debugger.amd64.*;
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36 import sun.jvm.hotspot.debugger.sparc.*;
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37 import sun.jvm.hotspot.debugger.x86.*;
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38 import sun.jvm.hotspot.utilities.*;
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39
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40 /** <P> An implementation of the JVMDebugger interface which sits on
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41 * top of proc and relies on the SA's proc import module for
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42 * communication with the debugger. </P>
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43 *
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44 * <P> <B>NOTE</B> that since we have the notion of fetching "Java
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45 * primitive types" from the remote process (which might have
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46 * different sizes than we expect) we have a bootstrapping
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47 * problem. We need to know the sizes of these types before we can
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48 * fetch them. The current implementation solves this problem by
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49 * requiring that it be configured with these type sizes before they
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50 * can be fetched. The readJ(Type) routines here will throw a
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51 * RuntimeException if they are called before the debugger is
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52 * configured with the Java primitive type sizes. </P>
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53 */
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54
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55 public class ProcDebuggerLocal extends DebuggerBase implements ProcDebugger {
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56
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57
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58 protected static final int cacheSize = 16 * 1024 * 1024; // 16 MB
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59
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60 //------------------------------------------------------------------------
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61 // Implementation of Debugger interface
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62 //
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63
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64 /** <P> machDesc may be null if it couldn't be determined yet; i.e.,
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65 * if we're on SPARC, we need to ask the remote process whether
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66 * we're in 32- or 64-bit mode. </P>
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67 *
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68 * <P> useCache should be set to true if debugging is being done
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69 * locally, and to false if the debugger is being created for the
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70 * purpose of supporting remote debugging. </P> */
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71 public ProcDebuggerLocal(MachineDescription machDesc, boolean useCache) {
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72 this.machDesc = machDesc;
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73 int cacheNumPages;
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74 int cachePageSize;
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75
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76 final String cpu = PlatformInfo.getCPU();
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77 if (cpu.equals("sparc")) {
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78 threadFactory = new ProcSPARCThreadFactory(this);
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79 pcRegIndex = SPARCThreadContext.R_PC;
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80 fpRegIndex = SPARCThreadContext.R_I6;
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81 } else if (cpu.equals("x86")) {
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82 threadFactory = new ProcX86ThreadFactory(this);
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83 pcRegIndex = X86ThreadContext.EIP;
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84 fpRegIndex = X86ThreadContext.EBP;
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85 unalignedAccessesOkay = true;
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86 } else if (cpu.equals("amd64")) {
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87 threadFactory = new ProcAMD64ThreadFactory(this);
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88 pcRegIndex = AMD64ThreadContext.RIP;
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89 fpRegIndex = AMD64ThreadContext.RBP;
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90 } else {
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91 throw new RuntimeException("Thread access for CPU architecture " + PlatformInfo.getCPU() + " not yet supported");
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92 }
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93 if (useCache) {
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94 // Cache portion of the remote process's address space.
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95 // For now, this cache works best if it covers the entire
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96 // heap of the remote process. FIXME: at least should make this
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97 // tunable from the outside, i.e., via the UI. This is a 16 MB
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98 // cache divided on SPARC into 2048 8K pages and on x86 into
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99 // 4096 4K pages; the page size must be adjusted to be the OS's
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100 // page size.
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101
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102 cachePageSize = getPageSize();
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103 cacheNumPages = parseCacheNumPagesProperty(cacheSize / cachePageSize);
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104 initCache(cachePageSize, cacheNumPages);
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105 }
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106
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107 resetNativePointers();
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108 clearCacheFields();
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109 }
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110
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111 /** FIXME: implement this with a Runtime.exec() of ps followed by
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112 * parsing of its output */
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113 public boolean hasProcessList() throws DebuggerException {
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114 return false;
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115 }
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116
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117 public List getProcessList() throws DebuggerException {
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118 throw new DebuggerException("Not yet supported");
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119 }
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120
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121
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122 /** From the Debugger interface via JVMDebugger */
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123 public synchronized void attach(int processID) throws DebuggerException {
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124 checkAttached();
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125 isCore = false;
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126 attach0(new Integer(processID).toString());
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127 attached = true;
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128 suspended = true;
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129 }
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130
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131 /** From the Debugger interface via JVMDebugger */
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132 public synchronized void attach
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133 (String executableName, String coreFileName) throws DebuggerException {
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134 checkAttached();
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135 isCore = true;
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136 topFrameCache = new HashMap();
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137 attach0(executableName, coreFileName);
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138 attached = true;
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139 suspended = true;
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140 }
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141
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142 /** From the Debugger interface via JVMDebugger */
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143 public synchronized boolean detach() {
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144 if (! attached) {
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145 return false;
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146 }
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147
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148 try {
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149 if (p_ps_prochandle == 0L) {
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150 return false;
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151 }
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152 detach0();
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153 clearCache();
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154 return true;
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155 } catch (Exception e) {
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156 e.printStackTrace();
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157 return false;
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158 } finally {
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159 resetNativePointers();
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160 clearCacheFields();
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161 suspended = false;
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162 attached = false;
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163 }
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164 }
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165
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166 public synchronized void suspend() throws DebuggerException {
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167 requireAttach();
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168 if (suspended) {
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169 throw new DebuggerException("Process already suspended");
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170 }
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171 suspend0();
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172 suspended = true;
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173 enableCache();
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174 reresolveLoadObjects();
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175 }
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176
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177 public synchronized void resume() throws DebuggerException {
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178 requireAttach();
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179 if (!suspended) {
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180 throw new DebuggerException("Process not suspended");
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181 }
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182 resume0();
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183 disableCache();
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184 suspended = false;
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185 }
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186
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187 public synchronized boolean isSuspended() throws DebuggerException {
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188 requireAttach();
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189 return suspended;
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190 }
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191
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192 /** From the Debugger interface via JVMDebugger */
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193 public Address parseAddress(String addressString) throws NumberFormatException {
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194 long addr = utils.scanAddress(addressString);
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195 if (addr == 0) {
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196 return null;
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197 }
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198 return new ProcAddress(this, addr);
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199 }
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200
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201 /** From the Debugger interface via JVMDebugger */
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202 public String getOS() {
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203 return PlatformInfo.getOS();
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204 }
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205
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206 /** From the Debugger interface via JVMDebugger */
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207 public String getCPU() {
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208 return PlatformInfo.getCPU();
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209 }
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210
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211 public boolean hasConsole() throws DebuggerException {
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212 return false;
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213 }
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214
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215 public String consoleExecuteCommand(String cmd) throws DebuggerException {
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216 throw new DebuggerException("Can't execute console commands");
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217 }
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218
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219 public String getConsolePrompt() throws DebuggerException {
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220 return "";
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221 }
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222
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223 public CDebugger getCDebugger() throws DebuggerException {
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224 if (cdbg == null) {
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225 cdbg = new ProcCDebugger(this);
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226 }
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227 return cdbg;
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228 }
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229
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230 /** From the SymbolLookup interface via Debugger and JVMDebugger */
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231 public synchronized Address lookup(String objectName, String symbol) {
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232 requireAttach();
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233 long addr = lookupByName0(objectName, symbol);
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234 if (addr == 0) {
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235 return null;
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236 }
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237 return new ProcAddress(this, addr);
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238 }
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239
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240 /** From the SymbolLookup interface via Debugger and JVMDebugger */
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241 public synchronized OopHandle lookupOop(String objectName, String symbol) {
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242 Address addr = lookup(objectName, symbol);
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243 if (addr == null) {
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244 return null;
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245 }
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246 return addr.addOffsetToAsOopHandle(0);
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247 }
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248
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249 /** From the ProcDebugger interface */
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250 public MachineDescription getMachineDescription() {
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251 return machDesc;
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252 }
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253
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254 /** Internal routine supporting lazy setting of MachineDescription,
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255 * since on SPARC we will need to query the remote process to ask
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256 * it what its data model is (32- or 64-bit).
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257 */
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258
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259 public void setMachineDescription(MachineDescription machDesc) {
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260 this.machDesc = machDesc;
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261 setBigEndian(machDesc.isBigEndian());
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262 utils = new DebuggerUtilities(machDesc.getAddressSize(), machDesc.isBigEndian());
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263 }
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264
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265 public synchronized int getRemoteProcessAddressSize()
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266 throws DebuggerException {
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267 requireAttach();
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268 return getRemoteProcessAddressSize0();
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269 }
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270
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271 //--------------------------------------------------------------------------------
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272 // Implementation of ThreadAccess interface
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273 //
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274
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275 /** From the ThreadAccess interface via Debugger and JVMDebugger */
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276 public ThreadProxy getThreadForIdentifierAddress(Address addr) {
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277 return threadFactory.createThreadWrapper(addr);
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278 }
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279
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280 public ThreadProxy getThreadForThreadId(long id) {
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281 return threadFactory.createThreadWrapper(id);
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282 }
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283
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284 //----------------------------------------------------------------------
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285 // Overridden from DebuggerBase because we need to relax alignment
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286 // constraints on x86
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287
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288 public long readJLong(long address)
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289 throws UnmappedAddressException, UnalignedAddressException {
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290 checkJavaConfigured();
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291 // FIXME: allow this to be configurable. Undesirable to add a
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292 // dependency on the runtime package here, though, since this
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293 // package should be strictly underneath it.
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294 if (unalignedAccessesOkay) {
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295 utils.checkAlignment(address, jintSize);
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296 } else {
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297 utils.checkAlignment(address, jlongSize);
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298 }
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299 byte[] data = readBytes(address, jlongSize);
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300 return utils.dataToJLong(data, jlongSize);
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301 }
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302
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303 //--------------------------------------------------------------------------------
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304 // Internal routines (for implementation of ProcAddress).
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305 // These must not be called until the MachineDescription has been set up.
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306 //
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307
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308 /** From the ProcDebugger interface */
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309 public String addressValueToString(long address) {
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310 return utils.addressValueToString(address);
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311 }
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312
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313 /** Need to override this to relax alignment checks on Solaris/x86. */
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314 public long readCInteger(long address, long numBytes, boolean isUnsigned)
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315 throws UnmappedAddressException, UnalignedAddressException {
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316 checkConfigured();
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317 if (!unalignedAccessesOkay) {
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318 utils.checkAlignment(address, numBytes);
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319 } else {
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320 // Only slightly relaxed semantics -- this is a hack, but is
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321 // necessary on Solaris/x86 where it seems the compiler is
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322 // putting some global 64-bit data on 32-bit boundaries
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323 if (numBytes == 8) {
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324 utils.checkAlignment(address, 4);
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325 } else {
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326 utils.checkAlignment(address, numBytes);
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327 }
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328 }
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329 byte[] data = readBytes(address, numBytes);
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330 return utils.dataToCInteger(data, isUnsigned);
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331 }
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332
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333 /** From the ProcDebugger interface */
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334 public ProcAddress readAddress(long address)
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335 throws UnmappedAddressException, UnalignedAddressException {
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336 long value = readAddressValue(address);
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337 return (value == 0 ? null : new ProcAddress(this, value));
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338 }
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339
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340 /** From the ProcDebugger interface */
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341 public ProcOopHandle readOopHandle(long address)
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342 throws UnmappedAddressException, UnalignedAddressException, NotInHeapException {
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343 long value = readAddressValue(address);
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344 return (value == 0 ? null : new ProcOopHandle(this, value));
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345 }
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346
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347 public void writeBytesToProcess(long address, long numBytes, byte[] data)
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348 throws UnmappedAddressException, DebuggerException {
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349 if (isCore) {
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350 throw new DebuggerException("Attached to a core file!");
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351 }
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352 writeBytesToProcess0(address, numBytes, data);
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353 }
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354
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355 public synchronized ReadResult readBytesFromProcess(long address, long numBytes)
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356 throws DebuggerException {
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357 requireAttach();
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358 byte[] res = readBytesFromProcess0(address, numBytes);
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359 if(res != null)
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360 return new ReadResult(res);
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361 else
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362 return new ReadResult(address);
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363 }
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364
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365 protected int getPageSize() {
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366 int pagesize = getPageSize0();
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367 if (pagesize == -1) {
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368 // return the hard coded default value.
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369 pagesize = (PlatformInfo.getCPU().equals("x86"))? 4096 : 8192;
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370 }
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371 return pagesize;
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372 }
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373
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374 //--------------------------------------------------------------------------------
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375 // Thread context access. Can not be package private, but should
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376 // only be accessed by the architecture-specific subpackages.
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377
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378 /** From the ProcDebugger interface. May have to redefine this later. */
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379 public synchronized long[] getThreadIntegerRegisterSet(int tid) {
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380 requireAttach();
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381 return getThreadIntegerRegisterSet0(tid);
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382 }
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383
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384 //--------------------------------------------------------------------------------
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385 // Address access. Can not be package private, but should only be
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386 // accessed by the architecture-specific subpackages.
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387
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388 /** From the ProcDebugger interface */
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389 public long getAddressValue(Address addr) {
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390 if (addr == null) return 0;
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391 return ((ProcAddress) addr).getValue();
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392 }
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393
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394 /** From the ProcDebugger interface */
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395 public Address newAddress(long value) {
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396 if (value == 0) return null;
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397 return new ProcAddress(this, value);
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398 }
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399
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400 /** From the ProcDebugger interface */
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401 public synchronized List getThreadList() throws DebuggerException {
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402 requireAttach();
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403 List res = null;
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404 if (isCore && (threadListCache != null)) {
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405 res = threadListCache;
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406 } else {
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407 res = new ArrayList();
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408 fillThreadList0(res);
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409 if (isCore) {
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410 threadListCache = res;
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411 }
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412 }
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413 return res;
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414 }
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415
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416 /** From the ProcDebugger interface */
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417 public synchronized List getLoadObjectList() throws DebuggerException {
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418 requireAttach();
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419 if (!suspended) {
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420 throw new DebuggerException("Process not suspended");
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421 }
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422
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423 if (loadObjectCache == null) {
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424 updateLoadObjectCache();
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425 }
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426 return loadObjectCache;
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427 }
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428
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|
429 /** From the ProcDebugger interface */
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|
|
430 public synchronized CFrame topFrameForThread(ThreadProxy thread)
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|
|
431 throws DebuggerException {
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432 requireAttach();
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433 CFrame res = null;
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434 if (isCore && ((res = (CFrame) topFrameCache.get(thread)) != null)) {
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435 return res;
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|
|
436 } else {
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|
437 ThreadContext context = thread.getContext();
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|
438 int numRegs = context.getNumRegisters();
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|
|
439 long[] regs = new long[numRegs];
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|
|
440 for (int i = 0; i < numRegs; i++) {
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|
|
441 regs[i] = context.getRegister(i);
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|
|
442 }
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443 res = fillCFrameList0(regs);
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|
444 if (isCore) {
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445 topFrameCache.put(thread, res);
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446 }
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|
447 return res;
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|
448 }
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|
|
449 }
|
|
|
450
|
|
|
451 /** From the ProcDebugger interface */
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|
|
452 public synchronized ClosestSymbol lookup(long address) {
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|
453 requireAttach();
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|
454 return lookupByAddress0(address);
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|
|
455 }
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|
|
456
|
|
|
457 /** From the ProcDebugger interface */
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|
458 public String demangle(String name) {
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|
|
459 return demangle0(name);
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|
|
460 }
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|
461
|
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|
462 //------------- Internals only below this point --------------------
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463 //
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464 //
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465
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466 private void updateLoadObjectCache() {
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467 List res = new ArrayList();
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|
468 nameToDsoMap = new HashMap();
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|
|
469 fillLoadObjectList0(res);
|
|
|
470 loadObjectCache = sortLoadObjects(res);
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|
471 }
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472
|
|
|
473 // sort load objects by base address
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|
|
474 private static List sortLoadObjects(List in) {
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|
475 // sort the list by base address
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|
|
476 Object[] arr = in.toArray();
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477 Arrays.sort(arr, loadObjectComparator);
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|
478 return Arrays.asList(arr);
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|
|
479 }
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|
|
480
|
|
|
481 private long lookupByName(String objectName, String symbolName)
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|
|
482 throws DebuggerException {
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|
|
483 // NOTE: this assumes that process is suspended (which is probably
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|
|
484 // necessary assumption given that DSOs can be loaded/unloaded as
|
|
|
485 // process runs). Should update documentation.
|
|
|
486 if (nameToDsoMap == null) {
|
|
|
487 getLoadObjectList();
|
|
|
488 }
|
|
|
489 SharedObject dso = (SharedObject) nameToDsoMap.get(objectName);
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|
|
490 // The DSO can be null because we use this to search through known
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|
|
491 // DSOs in HotSpotTypeDataBase (for example)
|
|
|
492 if (dso != null) {
|
|
|
493 ProcAddress addr = (ProcAddress) dso.lookupSymbol(symbolName);
|
|
|
494 if (addr != null) {
|
|
|
495 return addr.getValue();
|
|
|
496 }
|
|
|
497 }
|
|
|
498 return 0;
|
|
|
499 }
|
|
|
500
|
|
|
501 private SharedObject findDSOByName(String fullPathName) {
|
|
|
502 if (loadObjectCache == null)
|
|
|
503 return null;
|
|
|
504 for (Iterator iter = loadObjectCache.iterator(); iter.hasNext(); ) {
|
|
|
505 SharedObject dso = (SharedObject) iter.next();
|
|
|
506 if (dso.getName().equals(fullPathName)) {
|
|
|
507 return dso;
|
|
|
508 }
|
|
|
509 }
|
|
|
510 return null;
|
|
|
511 }
|
|
|
512
|
|
|
513 private void reresolveLoadObjects() throws DebuggerException {
|
|
|
514 if (loadObjectCache == null) {
|
|
|
515 return;
|
|
|
516 }
|
|
|
517 updateLoadObjectCache();
|
|
|
518 }
|
|
|
519
|
|
|
520
|
|
|
521 private void checkAttached() {
|
|
|
522 if (attached) {
|
|
|
523 if (isCore) {
|
|
|
524 throw new DebuggerException("already attached to a core file!");
|
|
|
525 } else {
|
|
|
526 throw new DebuggerException("already attached to a process!");
|
|
|
527 }
|
|
|
528 }
|
|
|
529 }
|
|
|
530
|
|
|
531 private void requireAttach() {
|
|
|
532 if (! attached) {
|
|
|
533 throw new RuntimeException("not attached to a process or core file!");
|
|
|
534 }
|
|
|
535 }
|
|
|
536
|
|
|
537 private void clearCacheFields() {
|
|
|
538 loadObjectCache = null;
|
|
|
539 nameToDsoMap = null;
|
|
|
540 threadListCache = null;
|
|
|
541 topFrameCache = null;
|
|
|
542 }
|
|
|
543
|
|
|
544 private void resetNativePointers() {
|
|
|
545 p_ps_prochandle = 0L;
|
|
|
546
|
|
|
547 // reset thread_db pointers
|
|
|
548 libthread_db_handle = 0L;
|
|
|
549 p_td_thragent_t = 0L;
|
|
|
550 p_td_init = 0L;
|
|
|
551 p_td_ta_new = 0L;
|
|
|
552 p_td_ta_delete = 0L;
|
|
|
553 p_td_ta_thr_iter = 0L;
|
|
|
554 p_td_thr_get_info = 0L;
|
|
|
555 p_td_ta_map_id2thr = 0L;
|
|
|
556 p_td_thr_getgregs = 0L;
|
|
|
557
|
|
|
558 // part of class sharing workaround
|
|
|
559 classes_jsa_fd = -1;
|
|
|
560 p_file_map_header = 0L;
|
|
|
561 }
|
|
|
562
|
|
|
563 // native methods and native helpers
|
|
|
564
|
|
|
565 // attach, detach
|
|
|
566 private native void attach0(String pid) throws DebuggerException;
|
|
|
567 private native void attach0(String executableFile, String coreFileName) throws DebuggerException;
|
|
|
568 private native void detach0() throws DebuggerException;
|
|
|
569
|
|
|
570 // address size, page size
|
|
|
571 private native int getRemoteProcessAddressSize0() throws DebuggerException;
|
|
|
572 private native int getPageSize0() throws DebuggerException;
|
|
|
573
|
|
|
574 // threads, stacks
|
|
|
575 private native long[] getThreadIntegerRegisterSet0(long tid) throws DebuggerException;
|
|
|
576 private native void fillThreadList0(List l) throws DebuggerException;
|
|
|
577
|
|
|
578 // fills stack frame list given reg set of the top frame and top frame
|
|
|
579 private native ProcCFrame fillCFrameList0(long[] regs) throws DebuggerException;
|
|
|
580
|
|
|
581 // helper called by fillCFrameList0
|
|
|
582 private ProcCFrame createSenderFrame(ProcCFrame f, long pc, long fp) {
|
|
|
583 ProcCFrame sender = new ProcCFrame(this, newAddress(pc), newAddress(fp));
|
|
|
584 if (f != null) {
|
|
|
585 f.setSender(sender);
|
|
|
586 }
|
|
|
587 return sender;
|
|
|
588 }
|
|
|
589
|
|
|
590 // shared objects
|
|
|
591 private native void fillLoadObjectList0(List l) throws DebuggerException;
|
|
|
592
|
|
|
593 // helper called by fillLoadObjectList0
|
|
|
594 private LoadObject createLoadObject(String fileName, long textsize, long base) {
|
|
|
595 File f = new File(fileName);
|
|
|
596 Address baseAddr = newAddress(base);
|
|
|
597 SharedObject res = findDSOByName(fileName);
|
|
|
598 if (res != null) {
|
|
|
599 // already in cache. just change the base, if needed
|
|
|
600 Address oldBase = res.getBase();
|
|
|
601 if (! baseAddr.equals(oldBase)) {
|
|
|
602 res.setBase(baseAddr);
|
|
|
603 }
|
|
|
604 } else {
|
|
|
605 // new shared object.
|
|
|
606 res = new SharedObject(this, fileName, f.length(), baseAddr);
|
|
|
607 }
|
|
|
608 nameToDsoMap.put(f.getName(), res);
|
|
|
609 return res;
|
|
|
610 }
|
|
|
611
|
|
|
612 // symbol-to-pc
|
|
|
613 private native long lookupByName0(String objectName, String symbolName) throws DebuggerException;
|
|
|
614 private native ClosestSymbol lookupByAddress0(long address) throws DebuggerException;
|
|
|
615
|
|
|
616 // helper called by lookupByAddress0
|
|
|
617 private ClosestSymbol createClosestSymbol(String name, long offset) {
|
|
|
618 return new ClosestSymbol(name, offset);
|
|
|
619 }
|
|
|
620
|
|
|
621 // process read/write
|
|
|
622 private native byte[] readBytesFromProcess0(long address, long numBytes) throws DebuggerException;
|
|
|
623 private native void writeBytesToProcess0(long address, long numBytes, byte[] data) throws DebuggerException;
|
|
|
624
|
|
|
625 // process control
|
|
|
626 private native void suspend0() throws DebuggerException;
|
|
|
627 private native void resume0() throws DebuggerException;
|
|
|
628
|
|
|
629 // demangle a C++ name
|
|
|
630 private native String demangle0(String name);
|
|
|
631
|
|
|
632 // init JNI ids to fields, methods
|
|
|
633 private native static void initIDs() throws DebuggerException;
|
|
|
634 private static LoadObjectComparator loadObjectComparator;
|
|
|
635
|
|
|
636 static {
|
|
|
637 System.loadLibrary("saproc");
|
|
|
638 initIDs();
|
|
|
639 loadObjectComparator = new LoadObjectComparator();
|
|
|
640 }
|
|
|
641
|
|
|
642 private boolean unalignedAccessesOkay;
|
|
|
643 private ProcThreadFactory threadFactory;
|
|
|
644
|
|
|
645 // indices of PC and FP registers in gregset
|
|
|
646 private int pcRegIndex;
|
|
|
647 private int fpRegIndex;
|
|
|
648
|
|
|
649 // Symbol lookup support
|
|
|
650 // This is a map of library names to DSOs
|
|
|
651 private Map nameToDsoMap; // Map<String, SharedObject>
|
|
|
652
|
|
|
653 // C/C++ debugging support
|
|
|
654 private List/*<LoadObject>*/ loadObjects;
|
|
|
655 private CDebugger cdbg;
|
|
|
656
|
|
|
657 // ProcessControl support
|
|
|
658 private boolean suspended;
|
|
|
659
|
|
|
660 // libproc handle
|
|
|
661 private long p_ps_prochandle;
|
|
|
662
|
|
|
663 // libthread.so's dlopen handle, thread agent
|
|
|
664 // and function pointers
|
|
|
665 private long libthread_db_handle;
|
|
|
666 private long p_td_thragent_t;
|
|
|
667 private long p_td_init;
|
|
|
668 private long p_td_ta_new;
|
|
|
669 private long p_td_ta_delete;
|
|
|
670 private long p_td_ta_thr_iter;
|
|
|
671 private long p_td_thr_get_info;
|
|
|
672 private long p_td_ta_map_id2thr;
|
|
|
673 private long p_td_thr_getgregs;
|
|
|
674
|
|
|
675 // part of class sharing workaround
|
|
|
676 private int classes_jsa_fd;
|
|
|
677 private long p_file_map_header;
|
|
|
678
|
|
|
679 private boolean attached = false;
|
|
|
680 private boolean isCore;
|
|
|
681
|
|
|
682 // for core files, we cache load object list, thread list, top frames etc.
|
|
|
683 // for processes we cache load object list and sync. it during suspend.
|
|
|
684 private List threadListCache;
|
|
|
685 private List loadObjectCache;
|
|
|
686 private Map topFrameCache; // Map<ThreadProxy, CFrame>
|
|
|
687 }
|
