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1 /* |
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2 * Copyright (c) 2003, 2014, Oracle and/or its affiliates. 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 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. |
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22 * |
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23 */ |
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24 |
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25 #include "precompiled.hpp" |
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26 #include "compiler/compileBroker.hpp" |
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27 #include "gc_interface/collectedHeap.hpp" |
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28 #include "prims/whitebox.hpp" |
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29 #include "runtime/arguments.hpp" |
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30 #include "runtime/frame.inline.hpp" |
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31 #include "runtime/init.hpp" |
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32 #include "runtime/os.hpp" |
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33 #include "runtime/thread.hpp" |
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34 #include "runtime/vmThread.hpp" |
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35 #include "runtime/vm_operations.hpp" |
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36 #include "services/memTracker.hpp" |
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37 #include "utilities/debug.hpp" |
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38 #include "utilities/decoder.hpp" |
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39 #include "utilities/defaultStream.hpp" |
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40 #include "utilities/errorReporter.hpp" |
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41 #include "utilities/events.hpp" |
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42 #include "utilities/top.hpp" |
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43 #include "utilities/vmError.hpp" |
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44 |
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45 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
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46 |
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47 // List of environment variables that should be reported in error log file. |
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48 const char *env_list[] = { |
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49 // All platforms |
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50 "JAVA_HOME", "JRE_HOME", "JAVA_TOOL_OPTIONS", "_JAVA_OPTIONS", "CLASSPATH", |
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51 "JAVA_COMPILER", "PATH", "USERNAME", |
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52 |
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53 // Env variables that are defined on Solaris/Linux/BSD |
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54 "LD_LIBRARY_PATH", "LD_PRELOAD", "SHELL", "DISPLAY", |
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55 "HOSTTYPE", "OSTYPE", "ARCH", "MACHTYPE", |
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56 |
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57 // defined on Linux |
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58 "LD_ASSUME_KERNEL", "_JAVA_SR_SIGNUM", |
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59 |
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60 // defined on Darwin |
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61 "DYLD_LIBRARY_PATH", "DYLD_FALLBACK_LIBRARY_PATH", |
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62 "DYLD_FRAMEWORK_PATH", "DYLD_FALLBACK_FRAMEWORK_PATH", |
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63 "DYLD_INSERT_LIBRARIES", |
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64 |
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65 // defined on Windows |
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66 "OS", "PROCESSOR_IDENTIFIER", "_ALT_JAVA_HOME_DIR", |
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67 |
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68 (const char *)0 |
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69 }; |
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70 |
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71 // Fatal error handler for internal errors and crashes. |
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72 // |
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73 // The default behavior of fatal error handler is to print a brief message |
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74 // to standard out (defaultStream::output_fd()), then save detailed information |
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75 // into an error report file (hs_err_pid<pid>.log) and abort VM. If multiple |
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76 // threads are having troubles at the same time, only one error is reported. |
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77 // The thread that is reporting error will abort VM when it is done, all other |
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78 // threads are blocked forever inside report_and_die(). |
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79 |
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80 // Constructor for crashes |
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81 VMError::VMError(Thread* thread, unsigned int sig, address pc, void* siginfo, void* context) { |
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82 _thread = thread; |
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83 _id = sig; |
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84 _pc = pc; |
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85 _siginfo = siginfo; |
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86 _context = context; |
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87 |
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88 _verbose = false; |
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89 _current_step = 0; |
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90 _current_step_info = NULL; |
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91 |
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92 _message = NULL; |
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93 _detail_msg = NULL; |
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94 _filename = NULL; |
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95 _lineno = 0; |
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96 |
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97 _size = 0; |
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98 } |
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99 |
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100 // Constructor for internal errors |
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101 VMError::VMError(Thread* thread, const char* filename, int lineno, |
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102 const char* message, const char * detail_msg) |
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103 { |
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104 _thread = thread; |
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105 _id = INTERNAL_ERROR; // Value that's not an OS exception/signal |
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106 _filename = filename; |
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107 _lineno = lineno; |
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108 _message = message; |
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109 _detail_msg = detail_msg; |
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110 |
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111 _verbose = false; |
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112 _current_step = 0; |
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113 _current_step_info = NULL; |
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114 |
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115 _pc = NULL; |
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116 _siginfo = NULL; |
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117 _context = NULL; |
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118 |
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119 _size = 0; |
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120 } |
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121 |
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122 // Constructor for OOM errors |
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123 VMError::VMError(Thread* thread, const char* filename, int lineno, size_t size, |
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124 VMErrorType vm_err_type, const char* message) { |
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125 _thread = thread; |
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126 _id = vm_err_type; // Value that's not an OS exception/signal |
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127 _filename = filename; |
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128 _lineno = lineno; |
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129 _message = message; |
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130 _detail_msg = NULL; |
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131 |
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132 _verbose = false; |
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133 _current_step = 0; |
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134 _current_step_info = NULL; |
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135 |
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136 _pc = NULL; |
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137 _siginfo = NULL; |
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138 _context = NULL; |
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139 |
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140 _size = size; |
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141 } |
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142 |
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143 |
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144 // Constructor for non-fatal errors |
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145 VMError::VMError(const char* message) { |
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146 _thread = NULL; |
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147 _id = INTERNAL_ERROR; // Value that's not an OS exception/signal |
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148 _filename = NULL; |
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149 _lineno = 0; |
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150 _message = message; |
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151 _detail_msg = NULL; |
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152 |
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153 _verbose = false; |
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154 _current_step = 0; |
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155 _current_step_info = NULL; |
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156 |
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157 _pc = NULL; |
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158 _siginfo = NULL; |
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159 _context = NULL; |
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160 |
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161 _size = 0; |
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162 } |
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163 |
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164 // -XX:OnError=<string>, where <string> can be a list of commands, separated |
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165 // by ';'. "%p" is replaced by current process id (pid); "%%" is replaced by |
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166 // a single "%". Some examples: |
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167 // |
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168 // -XX:OnError="pmap %p" // show memory map |
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169 // -XX:OnError="gcore %p; dbx - %p" // dump core and launch debugger |
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170 // -XX:OnError="cat hs_err_pid%p.log | mail my_email@sun.com" |
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171 // -XX:OnError="kill -9 %p" // ?#!@# |
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172 |
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173 // A simple parser for -XX:OnError, usage: |
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174 // ptr = OnError; |
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175 // while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr) != NULL) |
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176 // ... ... |
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177 static char* next_OnError_command(char* buf, int buflen, const char** ptr) { |
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178 if (ptr == NULL || *ptr == NULL) return NULL; |
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179 |
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180 const char* cmd = *ptr; |
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181 |
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182 // skip leading blanks or ';' |
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183 while (*cmd == ' ' || *cmd == ';') cmd++; |
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184 |
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185 if (*cmd == '\0') return NULL; |
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186 |
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187 const char * cmdend = cmd; |
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188 while (*cmdend != '\0' && *cmdend != ';') cmdend++; |
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189 |
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190 Arguments::copy_expand_pid(cmd, cmdend - cmd, buf, buflen); |
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191 |
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192 *ptr = (*cmdend == '\0' ? cmdend : cmdend + 1); |
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193 return buf; |
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194 } |
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195 |
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196 |
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197 static void print_bug_submit_message(outputStream *out, Thread *thread) { |
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198 if (out == NULL) return; |
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199 out->print_raw_cr("# If you would like to submit a bug report, please visit:"); |
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200 out->print_raw ("# "); |
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201 out->print_raw_cr(Arguments::java_vendor_url_bug()); |
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202 // If the crash is in native code, encourage user to submit a bug to the |
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203 // provider of that code. |
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204 if (thread && thread->is_Java_thread() && |
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205 !thread->is_hidden_from_external_view()) { |
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206 JavaThread* jt = (JavaThread*)thread; |
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207 if (jt->thread_state() == _thread_in_native) { |
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208 out->print_cr("# The crash happened outside the Java Virtual Machine in native code.\n# See problematic frame for where to report the bug."); |
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209 } |
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210 } |
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211 out->print_raw_cr("#"); |
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212 } |
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213 |
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214 bool VMError::coredump_status; |
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215 char VMError::coredump_message[O_BUFLEN]; |
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216 |
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217 void VMError::report_coredump_status(const char* message, bool status) { |
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218 coredump_status = status; |
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219 strncpy(coredump_message, message, sizeof(coredump_message)); |
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220 coredump_message[sizeof(coredump_message)-1] = 0; |
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221 } |
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222 |
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223 |
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224 // Return a string to describe the error |
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225 char* VMError::error_string(char* buf, int buflen) { |
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226 char signame_buf[64]; |
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227 const char *signame = os::exception_name(_id, signame_buf, sizeof(signame_buf)); |
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228 |
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229 if (signame) { |
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230 jio_snprintf(buf, buflen, |
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231 "%s (0x%x) at pc=" PTR_FORMAT ", pid=%d, tid=" UINTX_FORMAT, |
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232 signame, _id, _pc, |
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233 os::current_process_id(), os::current_thread_id()); |
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234 } else if (_filename != NULL && _lineno > 0) { |
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235 // skip directory names |
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236 char separator = os::file_separator()[0]; |
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237 const char *p = strrchr(_filename, separator); |
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238 int n = jio_snprintf(buf, buflen, |
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239 "Internal Error at %s:%d, pid=%d, tid=" UINTX_FORMAT, |
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240 p ? p + 1 : _filename, _lineno, |
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241 os::current_process_id(), os::current_thread_id()); |
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242 if (n >= 0 && n < buflen && _message) { |
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243 if (_detail_msg) { |
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244 jio_snprintf(buf + n, buflen - n, "%s%s: %s", |
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245 os::line_separator(), _message, _detail_msg); |
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246 } else { |
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247 jio_snprintf(buf + n, buflen - n, "%sError: %s", |
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248 os::line_separator(), _message); |
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249 } |
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250 } |
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251 } else { |
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252 jio_snprintf(buf, buflen, |
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253 "Internal Error (0x%x), pid=%d, tid=" UINTX_FORMAT, |
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254 _id, os::current_process_id(), os::current_thread_id()); |
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255 } |
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256 |
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257 return buf; |
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258 } |
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259 |
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260 void VMError::print_stack_trace(outputStream* st, JavaThread* jt, |
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261 char* buf, int buflen, bool verbose) { |
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262 #ifdef ZERO |
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263 if (jt->zero_stack()->sp() && jt->top_zero_frame()) { |
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264 // StackFrameStream uses the frame anchor, which may not have |
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265 // been set up. This can be done at any time in Zero, however, |
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266 // so if it hasn't been set up then we just set it up now and |
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267 // clear it again when we're done. |
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268 bool has_last_Java_frame = jt->has_last_Java_frame(); |
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269 if (!has_last_Java_frame) |
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270 jt->set_last_Java_frame(); |
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271 st->print("Java frames:"); |
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272 |
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273 // If the top frame is a Shark frame and the frame anchor isn't |
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274 // set up then it's possible that the information in the frame |
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275 // is garbage: it could be from a previous decache, or it could |
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276 // simply have never been written. So we print a warning... |
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277 StackFrameStream sfs(jt); |
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278 if (!has_last_Java_frame && !sfs.is_done()) { |
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279 if (sfs.current()->zeroframe()->is_shark_frame()) { |
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280 st->print(" (TOP FRAME MAY BE JUNK)"); |
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281 } |
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282 } |
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283 st->cr(); |
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284 |
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285 // Print the frames |
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286 for(int i = 0; !sfs.is_done(); sfs.next(), i++) { |
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287 sfs.current()->zero_print_on_error(i, st, buf, buflen); |
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288 st->cr(); |
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289 } |
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290 |
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291 // Reset the frame anchor if necessary |
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292 if (!has_last_Java_frame) |
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293 jt->reset_last_Java_frame(); |
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294 } |
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295 #else |
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296 if (jt->has_last_Java_frame()) { |
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297 st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)"); |
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298 for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) { |
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299 sfs.current()->print_on_error(st, buf, buflen, verbose); |
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300 st->cr(); |
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301 } |
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302 } |
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303 #endif // ZERO |
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304 } |
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305 |
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306 // This is the main function to report a fatal error. Only one thread can |
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307 // call this function, so we don't need to worry about MT-safety. But it's |
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308 // possible that the error handler itself may crash or die on an internal |
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309 // error, for example, when the stack/heap is badly damaged. We must be |
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310 // able to handle recursive errors that happen inside error handler. |
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311 // |
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312 // Error reporting is done in several steps. If a crash or internal error |
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313 // occurred when reporting an error, the nested signal/exception handler |
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314 // can skip steps that are already (or partially) done. Error reporting will |
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315 // continue from the next step. This allows us to retrieve and print |
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316 // information that may be unsafe to get after a fatal error. If it happens, |
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317 // you may find nested report_and_die() frames when you look at the stack |
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318 // in a debugger. |
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319 // |
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320 // In general, a hang in error handler is much worse than a crash or internal |
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321 // error, as it's harder to recover from a hang. Deadlock can happen if we |
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322 // try to grab a lock that is already owned by current thread, or if the |
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323 // owner is blocked forever (e.g. in os::infinite_sleep()). If possible, the |
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324 // error handler and all the functions it called should avoid grabbing any |
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325 // lock. An important thing to notice is that memory allocation needs a lock. |
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326 // |
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327 // We should avoid using large stack allocated buffers. Many errors happen |
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328 // when stack space is already low. Making things even worse is that there |
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329 // could be nested report_and_die() calls on stack (see above). Only one |
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330 // thread can report error, so large buffers are statically allocated in data |
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331 // segment. |
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332 |
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333 void VMError::report(outputStream* st) { |
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334 # define BEGIN if (_current_step == 0) { _current_step = 1; |
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335 # define STEP(n, s) } if (_current_step < n) { _current_step = n; _current_step_info = s; |
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336 # define END } |
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337 |
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338 // don't allocate large buffer on stack |
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339 static char buf[O_BUFLEN]; |
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340 |
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341 BEGIN |
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342 |
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343 STEP(10, "(printing fatal error message)") |
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344 |
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345 st->print_cr("#"); |
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346 if (should_report_bug(_id)) { |
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347 st->print_cr("# A fatal error has been detected by the Java Runtime Environment:"); |
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348 } else { |
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349 st->print_cr("# There is insufficient memory for the Java " |
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350 "Runtime Environment to continue."); |
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351 } |
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352 |
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353 STEP(15, "(printing type of error)") |
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354 |
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355 switch(_id) { |
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356 case OOM_MALLOC_ERROR: |
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357 case OOM_MMAP_ERROR: |
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358 if (_size) { |
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359 st->print("# Native memory allocation "); |
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360 st->print((_id == (int)OOM_MALLOC_ERROR) ? "(malloc) failed to allocate " : |
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361 "(mmap) failed to map "); |
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362 jio_snprintf(buf, sizeof(buf), SIZE_FORMAT, _size); |
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363 st->print("%s", buf); |
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364 st->print(" bytes"); |
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365 if (_message != NULL) { |
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366 st->print(" for "); |
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367 st->print("%s", _message); |
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368 } |
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369 st->cr(); |
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370 } else { |
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371 if (_message != NULL) |
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372 st->print("# "); |
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373 st->print_cr("%s", _message); |
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374 } |
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375 // In error file give some solutions |
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376 if (_verbose) { |
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377 st->print_cr("# Possible reasons:"); |
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378 st->print_cr("# The system is out of physical RAM or swap space"); |
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379 st->print_cr("# In 32 bit mode, the process size limit was hit"); |
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380 st->print_cr("# Possible solutions:"); |
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381 st->print_cr("# Reduce memory load on the system"); |
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382 st->print_cr("# Increase physical memory or swap space"); |
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383 st->print_cr("# Check if swap backing store is full"); |
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384 st->print_cr("# Use 64 bit Java on a 64 bit OS"); |
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385 st->print_cr("# Decrease Java heap size (-Xmx/-Xms)"); |
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386 st->print_cr("# Decrease number of Java threads"); |
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387 st->print_cr("# Decrease Java thread stack sizes (-Xss)"); |
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388 st->print_cr("# Set larger code cache with -XX:ReservedCodeCacheSize="); |
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389 st->print_cr("# This output file may be truncated or incomplete."); |
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390 } else { |
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391 return; // that's enough for the screen |
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392 } |
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393 break; |
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394 case INTERNAL_ERROR: |
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395 default: |
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396 break; |
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397 } |
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398 |
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399 STEP(20, "(printing exception/signal name)") |
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400 |
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401 st->print_cr("#"); |
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402 st->print("# "); |
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403 // Is it an OS exception/signal? |
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404 if (os::exception_name(_id, buf, sizeof(buf))) { |
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405 st->print("%s", buf); |
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406 st->print(" (0x%x)", _id); // signal number |
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407 st->print(" at pc=" PTR_FORMAT, _pc); |
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408 } else { |
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409 if (should_report_bug(_id)) { |
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410 st->print("Internal Error"); |
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411 } else { |
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412 st->print("Out of Memory Error"); |
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413 } |
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414 if (_filename != NULL && _lineno > 0) { |
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415 #ifdef PRODUCT |
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416 // In product mode chop off pathname? |
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417 char separator = os::file_separator()[0]; |
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418 const char *p = strrchr(_filename, separator); |
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419 const char *file = p ? p+1 : _filename; |
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420 #else |
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421 const char *file = _filename; |
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422 #endif |
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423 size_t len = strlen(file); |
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424 size_t buflen = sizeof(buf); |
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425 |
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426 strncpy(buf, file, buflen); |
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427 if (len + 10 < buflen) { |
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428 sprintf(buf + len, ":%d", _lineno); |
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429 } |
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430 st->print(" (%s)", buf); |
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431 } else { |
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432 st->print(" (0x%x)", _id); |
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433 } |
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434 } |
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435 |
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436 STEP(30, "(printing current thread and pid)") |
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437 |
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438 // process id, thread id |
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439 st->print(", pid=%d", os::current_process_id()); |
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440 st->print(", tid=" UINTX_FORMAT, os::current_thread_id()); |
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441 st->cr(); |
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442 |
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443 STEP(40, "(printing error message)") |
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444 |
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445 if (should_report_bug(_id)) { // already printed the message. |
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446 // error message |
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447 if (_detail_msg) { |
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448 st->print_cr("# %s: %s", _message ? _message : "Error", _detail_msg); |
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449 } else if (_message) { |
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450 st->print_cr("# Error: %s", _message); |
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451 } |
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452 } |
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453 |
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454 STEP(50, "(printing Java version string)") |
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455 |
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456 // VM version |
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457 st->print_cr("#"); |
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458 JDK_Version::current().to_string(buf, sizeof(buf)); |
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459 const char* runtime_name = JDK_Version::runtime_name() != NULL ? |
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460 JDK_Version::runtime_name() : ""; |
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461 const char* runtime_version = JDK_Version::runtime_version() != NULL ? |
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462 JDK_Version::runtime_version() : ""; |
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463 st->print_cr("# JRE version: %s (%s) (build %s)", runtime_name, buf, runtime_version); |
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464 st->print_cr("# Java VM: %s (%s %s %s %s)", |
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465 Abstract_VM_Version::vm_name(), |
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466 Abstract_VM_Version::vm_release(), |
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467 Abstract_VM_Version::vm_info_string(), |
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468 Abstract_VM_Version::vm_platform_string(), |
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469 UseCompressedOops ? "compressed oops" : "" |
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470 ); |
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471 |
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472 STEP(60, "(printing problematic frame)") |
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473 |
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474 // Print current frame if we have a context (i.e. it's a crash) |
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475 if (_context) { |
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476 st->print_cr("# Problematic frame:"); |
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477 st->print("# "); |
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478 frame fr = os::fetch_frame_from_context(_context); |
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479 fr.print_on_error(st, buf, sizeof(buf)); |
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480 st->cr(); |
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481 st->print_cr("#"); |
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482 } |
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483 STEP(63, "(printing core file information)") |
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484 st->print("# "); |
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485 if (coredump_status) { |
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486 st->print("Core dump written. Default location: %s", coredump_message); |
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487 } else { |
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488 st->print("Failed to write core dump. %s", coredump_message); |
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489 } |
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490 st->cr(); |
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491 st->print_cr("#"); |
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492 |
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493 STEP(65, "(printing bug submit message)") |
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494 |
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495 if (should_report_bug(_id) && _verbose) { |
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496 print_bug_submit_message(st, _thread); |
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497 } |
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498 |
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499 STEP(70, "(printing thread)" ) |
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500 |
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501 if (_verbose) { |
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502 st->cr(); |
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503 st->print_cr("--------------- T H R E A D ---------------"); |
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504 st->cr(); |
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505 } |
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506 |
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507 STEP(80, "(printing current thread)" ) |
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508 |
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509 // current thread |
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510 if (_verbose) { |
|
511 if (_thread) { |
|
512 st->print("Current thread (" PTR_FORMAT "): ", _thread); |
|
513 _thread->print_on_error(st, buf, sizeof(buf)); |
|
514 st->cr(); |
|
515 } else { |
|
516 st->print_cr("Current thread is native thread"); |
|
517 } |
|
518 st->cr(); |
|
519 } |
|
520 |
|
521 STEP(90, "(printing siginfo)" ) |
|
522 |
|
523 // signal no, signal code, address that caused the fault |
|
524 if (_verbose && _siginfo) { |
|
525 os::print_siginfo(st, _siginfo); |
|
526 st->cr(); |
|
527 } |
|
528 |
|
529 STEP(100, "(printing registers, top of stack, instructions near pc)") |
|
530 |
|
531 // registers, top of stack, instructions near pc |
|
532 if (_verbose && _context) { |
|
533 os::print_context(st, _context); |
|
534 st->cr(); |
|
535 } |
|
536 |
|
537 STEP(105, "(printing register info)") |
|
538 |
|
539 // decode register contents if possible |
|
540 if (_verbose && _context && Universe::is_fully_initialized()) { |
|
541 os::print_register_info(st, _context); |
|
542 st->cr(); |
|
543 } |
|
544 |
|
545 STEP(110, "(printing stack bounds)" ) |
|
546 |
|
547 if (_verbose) { |
|
548 st->print("Stack: "); |
|
549 |
|
550 address stack_top; |
|
551 size_t stack_size; |
|
552 |
|
553 if (_thread) { |
|
554 stack_top = _thread->stack_base(); |
|
555 stack_size = _thread->stack_size(); |
|
556 } else { |
|
557 stack_top = os::current_stack_base(); |
|
558 stack_size = os::current_stack_size(); |
|
559 } |
|
560 |
|
561 address stack_bottom = stack_top - stack_size; |
|
562 st->print("[" PTR_FORMAT "," PTR_FORMAT "]", stack_bottom, stack_top); |
|
563 |
|
564 frame fr = _context ? os::fetch_frame_from_context(_context) |
|
565 : os::current_frame(); |
|
566 |
|
567 if (fr.sp()) { |
|
568 st->print(", sp=" PTR_FORMAT, fr.sp()); |
|
569 size_t free_stack_size = pointer_delta(fr.sp(), stack_bottom, 1024); |
|
570 st->print(", free space=" SIZE_FORMAT "k", free_stack_size); |
|
571 } |
|
572 |
|
573 st->cr(); |
|
574 } |
|
575 |
|
576 STEP(120, "(printing native stack)" ) |
|
577 |
|
578 if (_verbose) { |
|
579 if (os::platform_print_native_stack(st, _context, buf, sizeof(buf))) { |
|
580 // We have printed the native stack in platform-specific code |
|
581 // Windows/x64 needs special handling. |
|
582 } else { |
|
583 frame fr = _context ? os::fetch_frame_from_context(_context) |
|
584 : os::current_frame(); |
|
585 |
|
586 // see if it's a valid frame |
|
587 if (fr.pc()) { |
|
588 st->print_cr("Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)"); |
|
589 |
|
590 |
|
591 int count = 0; |
|
592 while (count++ < StackPrintLimit) { |
|
593 fr.print_on_error(st, buf, sizeof(buf)); |
|
594 st->cr(); |
|
595 // Compiled code may use EBP register on x86 so it looks like |
|
596 // non-walkable C frame. Use frame.sender() for java frames. |
|
597 if (_thread && _thread->is_Java_thread()) { |
|
598 // Catch very first native frame by using stack address. |
|
599 // For JavaThread stack_base and stack_size should be set. |
|
600 if (!_thread->on_local_stack((address)(fr.sender_sp() + 1))) { |
|
601 break; |
|
602 } |
|
603 if (fr.is_java_frame()) { |
|
604 RegisterMap map((JavaThread*)_thread, false); // No update |
|
605 fr = fr.sender(&map); |
|
606 } else { |
|
607 fr = os::get_sender_for_C_frame(&fr); |
|
608 } |
|
609 } else { |
|
610 // is_first_C_frame() does only simple checks for frame pointer, |
|
611 // it will pass if java compiled code has a pointer in EBP. |
|
612 if (os::is_first_C_frame(&fr)) break; |
|
613 fr = os::get_sender_for_C_frame(&fr); |
|
614 } |
|
615 } |
|
616 |
|
617 if (count > StackPrintLimit) { |
|
618 st->print_cr("...<more frames>..."); |
|
619 } |
|
620 |
|
621 st->cr(); |
|
622 } |
|
623 } |
|
624 } |
|
625 |
|
626 STEP(130, "(printing Java stack)" ) |
|
627 |
|
628 if (_verbose && _thread && _thread->is_Java_thread()) { |
|
629 print_stack_trace(st, (JavaThread*)_thread, buf, sizeof(buf)); |
|
630 } |
|
631 |
|
632 STEP(135, "(printing target Java thread stack)" ) |
|
633 |
|
634 // printing Java thread stack trace if it is involved in GC crash |
|
635 if (_verbose && _thread && (_thread->is_Named_thread())) { |
|
636 JavaThread* jt = ((NamedThread *)_thread)->processed_thread(); |
|
637 if (jt != NULL) { |
|
638 st->print_cr("JavaThread " PTR_FORMAT " (nid = " UINTX_FORMAT ") was being processed", jt, jt->osthread()->thread_id()); |
|
639 print_stack_trace(st, jt, buf, sizeof(buf), true); |
|
640 } |
|
641 } |
|
642 |
|
643 STEP(140, "(printing VM operation)" ) |
|
644 |
|
645 if (_verbose && _thread && _thread->is_VM_thread()) { |
|
646 VMThread* t = (VMThread*)_thread; |
|
647 VM_Operation* op = t->vm_operation(); |
|
648 if (op) { |
|
649 op->print_on_error(st); |
|
650 st->cr(); |
|
651 st->cr(); |
|
652 } |
|
653 } |
|
654 |
|
655 STEP(150, "(printing current compile task)" ) |
|
656 |
|
657 if (_verbose && _thread && _thread->is_Compiler_thread()) { |
|
658 CompilerThread* t = (CompilerThread*)_thread; |
|
659 if (t->task()) { |
|
660 st->cr(); |
|
661 st->print_cr("Current CompileTask:"); |
|
662 t->task()->print_line_on_error(st, buf, sizeof(buf)); |
|
663 st->cr(); |
|
664 } |
|
665 } |
|
666 |
|
667 STEP(160, "(printing process)" ) |
|
668 |
|
669 if (_verbose) { |
|
670 st->cr(); |
|
671 st->print_cr("--------------- P R O C E S S ---------------"); |
|
672 st->cr(); |
|
673 } |
|
674 |
|
675 STEP(170, "(printing all threads)" ) |
|
676 |
|
677 // all threads |
|
678 if (_verbose && _thread) { |
|
679 Threads::print_on_error(st, _thread, buf, sizeof(buf)); |
|
680 st->cr(); |
|
681 } |
|
682 |
|
683 STEP(175, "(printing VM state)" ) |
|
684 |
|
685 if (_verbose) { |
|
686 // Safepoint state |
|
687 st->print("VM state:"); |
|
688 |
|
689 if (SafepointSynchronize::is_synchronizing()) st->print("synchronizing"); |
|
690 else if (SafepointSynchronize::is_at_safepoint()) st->print("at safepoint"); |
|
691 else st->print("not at safepoint"); |
|
692 |
|
693 // Also see if error occurred during initialization or shutdown |
|
694 if (!Universe::is_fully_initialized()) { |
|
695 st->print(" (not fully initialized)"); |
|
696 } else if (VM_Exit::vm_exited()) { |
|
697 st->print(" (shutting down)"); |
|
698 } else { |
|
699 st->print(" (normal execution)"); |
|
700 } |
|
701 st->cr(); |
|
702 st->cr(); |
|
703 } |
|
704 |
|
705 STEP(180, "(printing owned locks on error)" ) |
|
706 |
|
707 // mutexes/monitors that currently have an owner |
|
708 if (_verbose) { |
|
709 print_owned_locks_on_error(st); |
|
710 st->cr(); |
|
711 } |
|
712 |
|
713 STEP(190, "(printing heap information)" ) |
|
714 |
|
715 if (_verbose && Universe::is_fully_initialized()) { |
|
716 Universe::heap()->print_on_error(st); |
|
717 st->cr(); |
|
718 |
|
719 st->print_cr("Polling page: " INTPTR_FORMAT, os::get_polling_page()); |
|
720 st->cr(); |
|
721 } |
|
722 |
|
723 STEP(195, "(printing code cache information)" ) |
|
724 |
|
725 if (_verbose && Universe::is_fully_initialized()) { |
|
726 // print code cache information before vm abort |
|
727 CodeCache::print_summary(st); |
|
728 st->cr(); |
|
729 } |
|
730 |
|
731 STEP(200, "(printing ring buffers)" ) |
|
732 |
|
733 if (_verbose) { |
|
734 Events::print_all(st); |
|
735 st->cr(); |
|
736 } |
|
737 |
|
738 STEP(205, "(printing dynamic libraries)" ) |
|
739 |
|
740 if (_verbose) { |
|
741 // dynamic libraries, or memory map |
|
742 os::print_dll_info(st); |
|
743 st->cr(); |
|
744 } |
|
745 |
|
746 STEP(210, "(printing VM options)" ) |
|
747 |
|
748 if (_verbose) { |
|
749 // VM options |
|
750 Arguments::print_on(st); |
|
751 st->cr(); |
|
752 } |
|
753 |
|
754 STEP(215, "(printing warning if internal testing API used)" ) |
|
755 |
|
756 if (WhiteBox::used()) { |
|
757 st->print_cr("Unsupported internal testing APIs have been used."); |
|
758 st->cr(); |
|
759 } |
|
760 |
|
761 STEP(220, "(printing environment variables)" ) |
|
762 |
|
763 if (_verbose) { |
|
764 os::print_environment_variables(st, env_list, buf, sizeof(buf)); |
|
765 st->cr(); |
|
766 } |
|
767 |
|
768 STEP(225, "(printing signal handlers)" ) |
|
769 |
|
770 if (_verbose) { |
|
771 os::print_signal_handlers(st, buf, sizeof(buf)); |
|
772 st->cr(); |
|
773 } |
|
774 |
|
775 STEP(230, "" ) |
|
776 |
|
777 if (_verbose) { |
|
778 st->cr(); |
|
779 st->print_cr("--------------- S Y S T E M ---------------"); |
|
780 st->cr(); |
|
781 } |
|
782 |
|
783 STEP(240, "(printing OS information)" ) |
|
784 |
|
785 if (_verbose) { |
|
786 os::print_os_info(st); |
|
787 st->cr(); |
|
788 } |
|
789 |
|
790 STEP(250, "(printing CPU info)" ) |
|
791 if (_verbose) { |
|
792 os::print_cpu_info(st); |
|
793 st->cr(); |
|
794 } |
|
795 |
|
796 STEP(260, "(printing memory info)" ) |
|
797 |
|
798 if (_verbose) { |
|
799 os::print_memory_info(st); |
|
800 st->cr(); |
|
801 } |
|
802 |
|
803 STEP(270, "(printing internal vm info)" ) |
|
804 |
|
805 if (_verbose) { |
|
806 st->print_cr("vm_info: %s", Abstract_VM_Version::internal_vm_info_string()); |
|
807 st->cr(); |
|
808 } |
|
809 |
|
810 STEP(280, "(printing date and time)" ) |
|
811 |
|
812 if (_verbose) { |
|
813 os::print_date_and_time(st); |
|
814 st->cr(); |
|
815 } |
|
816 |
|
817 END |
|
818 |
|
819 # undef BEGIN |
|
820 # undef STEP |
|
821 # undef END |
|
822 } |
|
823 |
|
824 VMError* volatile VMError::first_error = NULL; |
|
825 volatile jlong VMError::first_error_tid = -1; |
|
826 |
|
827 // An error could happen before tty is initialized or after it has been |
|
828 // destroyed. Here we use a very simple unbuffered fdStream for printing. |
|
829 // Only out.print_raw() and out.print_raw_cr() should be used, as other |
|
830 // printing methods need to allocate large buffer on stack. To format a |
|
831 // string, use jio_snprintf() with a static buffer or use staticBufferStream. |
|
832 fdStream VMError::out(defaultStream::output_fd()); |
|
833 fdStream VMError::log; // error log used by VMError::report_and_die() |
|
834 |
|
835 /** Expand a pattern into a buffer starting at pos and open a file using constructed path */ |
|
836 static int expand_and_open(const char* pattern, char* buf, size_t buflen, size_t pos) { |
|
837 int fd = -1; |
|
838 if (Arguments::copy_expand_pid(pattern, strlen(pattern), &buf[pos], buflen - pos)) { |
|
839 fd = open(buf, O_RDWR | O_CREAT | O_TRUNC, 0666); |
|
840 } |
|
841 return fd; |
|
842 } |
|
843 |
|
844 /** |
|
845 * Construct file name for a log file and return it's file descriptor. |
|
846 * Name and location depends on pattern, default_pattern params and access |
|
847 * permissions. |
|
848 */ |
|
849 static int prepare_log_file(const char* pattern, const char* default_pattern, char* buf, size_t buflen) { |
|
850 int fd = -1; |
|
851 |
|
852 // If possible, use specified pattern to construct log file name |
|
853 if (pattern != NULL) { |
|
854 fd = expand_and_open(pattern, buf, buflen, 0); |
|
855 } |
|
856 |
|
857 // Either user didn't specify, or the user's location failed, |
|
858 // so use the default name in the current directory |
|
859 if (fd == -1) { |
|
860 const char* cwd = os::get_current_directory(buf, buflen); |
|
861 if (cwd != NULL) { |
|
862 size_t pos = strlen(cwd); |
|
863 int fsep_len = jio_snprintf(&buf[pos], buflen-pos, "%s", os::file_separator()); |
|
864 pos += fsep_len; |
|
865 if (fsep_len > 0) { |
|
866 fd = expand_and_open(default_pattern, buf, buflen, pos); |
|
867 } |
|
868 } |
|
869 } |
|
870 |
|
871 // try temp directory if it exists. |
|
872 if (fd == -1) { |
|
873 const char* tmpdir = os::get_temp_directory(); |
|
874 if (tmpdir != NULL && strlen(tmpdir) > 0) { |
|
875 int pos = jio_snprintf(buf, buflen, "%s%s", tmpdir, os::file_separator()); |
|
876 if (pos > 0) { |
|
877 fd = expand_and_open(default_pattern, buf, buflen, pos); |
|
878 } |
|
879 } |
|
880 } |
|
881 |
|
882 return fd; |
|
883 } |
|
884 |
|
885 void VMError::report_and_die() { |
|
886 // Don't allocate large buffer on stack |
|
887 static char buffer[O_BUFLEN]; |
|
888 |
|
889 // How many errors occurred in error handler when reporting first_error. |
|
890 static int recursive_error_count; |
|
891 |
|
892 // We will first print a brief message to standard out (verbose = false), |
|
893 // then save detailed information in log file (verbose = true). |
|
894 static bool out_done = false; // done printing to standard out |
|
895 static bool log_done = false; // done saving error log |
|
896 static bool transmit_report_done = false; // done error reporting |
|
897 |
|
898 // disble NMT to avoid further exception |
|
899 MemTracker::shutdown(MemTracker::NMT_error_reporting); |
|
900 |
|
901 if (SuppressFatalErrorMessage) { |
|
902 os::abort(); |
|
903 } |
|
904 jlong mytid = os::current_thread_id(); |
|
905 if (first_error == NULL && |
|
906 Atomic::cmpxchg_ptr(this, &first_error, NULL) == NULL) { |
|
907 |
|
908 // first time |
|
909 first_error_tid = mytid; |
|
910 set_error_reported(); |
|
911 |
|
912 if (ShowMessageBoxOnError || PauseAtExit) { |
|
913 show_message_box(buffer, sizeof(buffer)); |
|
914 |
|
915 // User has asked JVM to abort. Reset ShowMessageBoxOnError so the |
|
916 // WatcherThread can kill JVM if the error handler hangs. |
|
917 ShowMessageBoxOnError = false; |
|
918 } |
|
919 |
|
920 // Write a minidump on Windows, check core dump limits on Linux/Solaris |
|
921 os::check_or_create_dump(_siginfo, _context, buffer, sizeof(buffer)); |
|
922 |
|
923 // reset signal handlers or exception filter; make sure recursive crashes |
|
924 // are handled properly. |
|
925 reset_signal_handlers(); |
|
926 |
|
927 } else { |
|
928 // If UseOsErrorReporting we call this for each level of the call stack |
|
929 // while searching for the exception handler. Only the first level needs |
|
930 // to be reported. |
|
931 if (UseOSErrorReporting && log_done) return; |
|
932 |
|
933 // This is not the first error, see if it happened in a different thread |
|
934 // or in the same thread during error reporting. |
|
935 if (first_error_tid != mytid) { |
|
936 char msgbuf[64]; |
|
937 jio_snprintf(msgbuf, sizeof(msgbuf), |
|
938 "[thread " INT64_FORMAT " also had an error]", |
|
939 mytid); |
|
940 out.print_raw_cr(msgbuf); |
|
941 |
|
942 // error reporting is not MT-safe, block current thread |
|
943 os::infinite_sleep(); |
|
944 |
|
945 } else { |
|
946 if (recursive_error_count++ > 30) { |
|
947 out.print_raw_cr("[Too many errors, abort]"); |
|
948 os::die(); |
|
949 } |
|
950 |
|
951 jio_snprintf(buffer, sizeof(buffer), |
|
952 "[error occurred during error reporting %s, id 0x%x]", |
|
953 first_error ? first_error->_current_step_info : "", |
|
954 _id); |
|
955 if (log.is_open()) { |
|
956 log.cr(); |
|
957 log.print_raw_cr(buffer); |
|
958 log.cr(); |
|
959 } else { |
|
960 out.cr(); |
|
961 out.print_raw_cr(buffer); |
|
962 out.cr(); |
|
963 } |
|
964 } |
|
965 } |
|
966 |
|
967 // print to screen |
|
968 if (!out_done) { |
|
969 first_error->_verbose = false; |
|
970 |
|
971 staticBufferStream sbs(buffer, sizeof(buffer), &out); |
|
972 first_error->report(&sbs); |
|
973 |
|
974 out_done = true; |
|
975 |
|
976 first_error->_current_step = 0; // reset current_step |
|
977 first_error->_current_step_info = ""; // reset current_step string |
|
978 } |
|
979 |
|
980 // print to error log file |
|
981 if (!log_done) { |
|
982 first_error->_verbose = true; |
|
983 |
|
984 // see if log file is already open |
|
985 if (!log.is_open()) { |
|
986 // open log file |
|
987 int fd = prepare_log_file(ErrorFile, "hs_err_pid%p.log", buffer, sizeof(buffer)); |
|
988 if (fd != -1) { |
|
989 out.print_raw("# An error report file with more information is saved as:\n# "); |
|
990 out.print_raw_cr(buffer); |
|
991 |
|
992 log.set_fd(fd); |
|
993 } else { |
|
994 out.print_raw_cr("# Can not save log file, dump to screen.."); |
|
995 log.set_fd(defaultStream::output_fd()); |
|
996 /* Error reporting currently needs dumpfile. |
|
997 * Maybe implement direct streaming in the future.*/ |
|
998 transmit_report_done = true; |
|
999 } |
|
1000 } |
|
1001 |
|
1002 staticBufferStream sbs(buffer, O_BUFLEN, &log); |
|
1003 first_error->report(&sbs); |
|
1004 first_error->_current_step = 0; // reset current_step |
|
1005 first_error->_current_step_info = ""; // reset current_step string |
|
1006 |
|
1007 // Run error reporting to determine whether or not to report the crash. |
|
1008 if (!transmit_report_done && should_report_bug(first_error->_id)) { |
|
1009 transmit_report_done = true; |
|
1010 FILE* hs_err = os::open(log.fd(), "r"); |
|
1011 if (NULL != hs_err) { |
|
1012 ErrorReporter er; |
|
1013 er.call(hs_err, buffer, O_BUFLEN); |
|
1014 } |
|
1015 } |
|
1016 |
|
1017 if (log.fd() != defaultStream::output_fd()) { |
|
1018 close(log.fd()); |
|
1019 } |
|
1020 |
|
1021 log.set_fd(-1); |
|
1022 log_done = true; |
|
1023 } |
|
1024 |
|
1025 |
|
1026 static bool skip_OnError = false; |
|
1027 if (!skip_OnError && OnError && OnError[0]) { |
|
1028 skip_OnError = true; |
|
1029 |
|
1030 out.print_raw_cr("#"); |
|
1031 out.print_raw ("# -XX:OnError=\""); |
|
1032 out.print_raw (OnError); |
|
1033 out.print_raw_cr("\""); |
|
1034 |
|
1035 char* cmd; |
|
1036 const char* ptr = OnError; |
|
1037 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ |
|
1038 out.print_raw ("# Executing "); |
|
1039 #if defined(LINUX) || defined(_ALLBSD_SOURCE) |
|
1040 out.print_raw ("/bin/sh -c "); |
|
1041 #elif defined(SOLARIS) |
|
1042 out.print_raw ("/usr/bin/sh -c "); |
|
1043 #endif |
|
1044 out.print_raw ("\""); |
|
1045 out.print_raw (cmd); |
|
1046 out.print_raw_cr("\" ..."); |
|
1047 |
|
1048 os::fork_and_exec(cmd); |
|
1049 } |
|
1050 |
|
1051 // done with OnError |
|
1052 OnError = NULL; |
|
1053 } |
|
1054 |
|
1055 static bool skip_replay = ReplayCompiles; // Do not overwrite file during replay |
|
1056 if (DumpReplayDataOnError && _thread && _thread->is_Compiler_thread() && !skip_replay) { |
|
1057 skip_replay = true; |
|
1058 ciEnv* env = ciEnv::current(); |
|
1059 if (env != NULL) { |
|
1060 int fd = prepare_log_file(ReplayDataFile, "replay_pid%p.log", buffer, sizeof(buffer)); |
|
1061 if (fd != -1) { |
|
1062 FILE* replay_data_file = os::open(fd, "w"); |
|
1063 if (replay_data_file != NULL) { |
|
1064 fileStream replay_data_stream(replay_data_file, /*need_close=*/true); |
|
1065 env->dump_replay_data_unsafe(&replay_data_stream); |
|
1066 out.print_raw("#\n# Compiler replay data is saved as:\n# "); |
|
1067 out.print_raw_cr(buffer); |
|
1068 } else { |
|
1069 out.print_raw("#\n# Can't open file to dump replay data. Error: "); |
|
1070 out.print_raw_cr(strerror(os::get_last_error())); |
|
1071 } |
|
1072 } |
|
1073 } |
|
1074 } |
|
1075 |
|
1076 static bool skip_bug_url = !should_report_bug(first_error->_id); |
|
1077 if (!skip_bug_url) { |
|
1078 skip_bug_url = true; |
|
1079 |
|
1080 out.print_raw_cr("#"); |
|
1081 print_bug_submit_message(&out, _thread); |
|
1082 } |
|
1083 |
|
1084 if (!UseOSErrorReporting) { |
|
1085 // os::abort() will call abort hooks, try it first. |
|
1086 static bool skip_os_abort = false; |
|
1087 if (!skip_os_abort) { |
|
1088 skip_os_abort = true; |
|
1089 bool dump_core = should_report_bug(first_error->_id); |
|
1090 os::abort(dump_core); |
|
1091 } |
|
1092 |
|
1093 // if os::abort() doesn't abort, try os::die(); |
|
1094 os::die(); |
|
1095 } |
|
1096 } |
|
1097 |
|
1098 /* |
|
1099 * OnOutOfMemoryError scripts/commands executed while VM is a safepoint - this |
|
1100 * ensures utilities such as jmap can observe the process is a consistent state. |
|
1101 */ |
|
1102 class VM_ReportJavaOutOfMemory : public VM_Operation { |
|
1103 private: |
|
1104 VMError *_err; |
|
1105 public: |
|
1106 VM_ReportJavaOutOfMemory(VMError *err) { _err = err; } |
|
1107 VMOp_Type type() const { return VMOp_ReportJavaOutOfMemory; } |
|
1108 void doit(); |
|
1109 }; |
|
1110 |
|
1111 void VM_ReportJavaOutOfMemory::doit() { |
|
1112 // Don't allocate large buffer on stack |
|
1113 static char buffer[O_BUFLEN]; |
|
1114 |
|
1115 tty->print_cr("#"); |
|
1116 tty->print_cr("# java.lang.OutOfMemoryError: %s", _err->message()); |
|
1117 tty->print_cr("# -XX:OnOutOfMemoryError=\"%s\"", OnOutOfMemoryError); |
|
1118 |
|
1119 // make heap parsability |
|
1120 Universe::heap()->ensure_parsability(false); // no need to retire TLABs |
|
1121 |
|
1122 char* cmd; |
|
1123 const char* ptr = OnOutOfMemoryError; |
|
1124 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ |
|
1125 tty->print("# Executing "); |
|
1126 #if defined(LINUX) |
|
1127 tty->print ("/bin/sh -c "); |
|
1128 #elif defined(SOLARIS) |
|
1129 tty->print ("/usr/bin/sh -c "); |
|
1130 #endif |
|
1131 tty->print_cr("\"%s\"...", cmd); |
|
1132 |
|
1133 os::fork_and_exec(cmd); |
|
1134 } |
|
1135 } |
|
1136 |
|
1137 void VMError::report_java_out_of_memory() { |
|
1138 if (OnOutOfMemoryError && OnOutOfMemoryError[0]) { |
|
1139 MutexLocker ml(Heap_lock); |
|
1140 VM_ReportJavaOutOfMemory op(this); |
|
1141 VMThread::execute(&op); |
|
1142 } |
|
1143 } |