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1 /* |
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2 * Copyright 2003-2007 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 # include "incls/_precompiled.incl" |
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26 # include "incls/_vmError.cpp.incl" |
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27 |
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28 // List of environment variables that should be reported in error log file. |
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29 const char *env_list[] = { |
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30 // All platforms |
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31 "JAVA_HOME", "JRE_HOME", "JAVA_TOOL_OPTIONS", "_JAVA_OPTIONS", "CLASSPATH", |
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32 "JAVA_COMPILER", "PATH", "USERNAME", |
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33 |
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34 // Env variables that are defined on Solaris/Linux |
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35 "LD_LIBRARY_PATH", "LD_PRELOAD", "SHELL", "DISPLAY", |
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36 "HOSTTYPE", "OSTYPE", "ARCH", "MACHTYPE", |
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37 |
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38 // defined on Linux |
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39 "LD_ASSUME_KERNEL", "_JAVA_SR_SIGNUM", |
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40 |
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41 // defined on Windows |
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42 "OS", "PROCESSOR_IDENTIFIER", "_ALT_JAVA_HOME_DIR", |
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43 |
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44 (const char *)0 |
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45 }; |
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46 |
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47 // Fatal error handler for internal errors and crashes. |
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48 // |
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49 // The default behavior of fatal error handler is to print a brief message |
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50 // to standard out (defaultStream::output_fd()), then save detailed information |
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51 // into an error report file (hs_err_pid<pid>.log) and abort VM. If multiple |
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52 // threads are having troubles at the same time, only one error is reported. |
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53 // The thread that is reporting error will abort VM when it is done, all other |
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54 // threads are blocked forever inside report_and_die(). |
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55 |
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56 // Constructor for crashes |
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57 VMError::VMError(Thread* thread, int sig, address pc, void* siginfo, void* context) { |
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58 _thread = thread; |
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59 _id = sig; |
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60 _pc = pc; |
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61 _siginfo = siginfo; |
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62 _context = context; |
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63 |
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64 _verbose = false; |
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65 _current_step = 0; |
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66 _current_step_info = NULL; |
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67 |
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68 _message = ""; |
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69 _filename = NULL; |
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70 _lineno = 0; |
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71 |
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72 _size = 0; |
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73 } |
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74 |
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75 // Constructor for internal errors |
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76 VMError::VMError(Thread* thread, const char* message, const char* filename, int lineno) { |
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77 _thread = thread; |
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78 _id = internal_error; // set it to a value that's not an OS exception/signal |
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79 _filename = filename; |
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80 _lineno = lineno; |
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81 _message = message; |
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82 |
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83 _verbose = false; |
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84 _current_step = 0; |
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85 _current_step_info = NULL; |
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86 |
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87 _pc = NULL; |
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88 _siginfo = NULL; |
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89 _context = NULL; |
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90 |
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91 _size = 0; |
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92 } |
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93 |
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94 // Constructor for OOM errors |
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95 VMError::VMError(Thread* thread, size_t size, const char* message, const char* filename, int lineno) { |
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96 _thread = thread; |
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97 _id = oom_error; // set it to a value that's not an OS exception/signal |
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98 _filename = filename; |
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99 _lineno = lineno; |
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100 _message = message; |
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101 |
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102 _verbose = false; |
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103 _current_step = 0; |
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104 _current_step_info = NULL; |
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105 |
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106 _pc = NULL; |
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107 _siginfo = NULL; |
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108 _context = NULL; |
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109 |
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110 _size = size; |
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111 } |
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112 |
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113 |
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114 // Constructor for non-fatal errors |
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115 VMError::VMError(const char* message) { |
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116 _thread = NULL; |
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117 _id = internal_error; // set it to a value that's not an OS exception/signal |
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118 _filename = NULL; |
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119 _lineno = 0; |
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120 _message = message; |
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121 |
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122 _verbose = false; |
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123 _current_step = 0; |
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124 _current_step_info = NULL; |
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125 |
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126 _pc = NULL; |
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127 _siginfo = NULL; |
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128 _context = NULL; |
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129 |
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130 _size = 0; |
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131 } |
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132 |
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133 // -XX:OnError=<string>, where <string> can be a list of commands, separated |
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134 // by ';'. "%p" is replaced by current process id (pid); "%%" is replaced by |
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135 // a single "%". Some examples: |
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136 // |
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137 // -XX:OnError="pmap %p" // show memory map |
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138 // -XX:OnError="gcore %p; dbx - %p" // dump core and launch debugger |
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139 // -XX:OnError="cat hs_err_pid%p.log | mail my_email@sun.com" |
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140 // -XX:OnError="kill -9 %p" // ?#!@# |
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141 |
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142 // A simple parser for -XX:OnError, usage: |
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143 // ptr = OnError; |
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144 // while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr) != NULL) |
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145 // ... ... |
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146 static char* next_OnError_command(char* buf, int buflen, const char** ptr) { |
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147 if (ptr == NULL || *ptr == NULL) return NULL; |
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148 |
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149 const char* cmd = *ptr; |
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150 |
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151 // skip leading blanks or ';' |
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152 while (*cmd == ' ' || *cmd == ';') cmd++; |
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153 |
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154 if (*cmd == '\0') return NULL; |
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155 |
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156 const char * cmdend = cmd; |
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157 while (*cmdend != '\0' && *cmdend != ';') cmdend++; |
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158 |
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159 Arguments::copy_expand_pid(cmd, cmdend - cmd, buf, buflen); |
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160 |
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161 *ptr = (*cmdend == '\0' ? cmdend : cmdend + 1); |
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162 return buf; |
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163 } |
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164 |
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165 |
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166 static void print_bug_submit_message(outputStream *out, Thread *thread) { |
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167 if (out == NULL) return; |
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168 out->print_raw_cr("# If you would like to submit a bug report, please visit:"); |
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169 out->print_raw ("# "); |
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170 out->print_raw_cr(Arguments::java_vendor_url_bug()); |
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171 // If the crash is in native code, encourage user to submit a bug to the |
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172 // provider of that code. |
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173 if (thread && thread->is_Java_thread()) { |
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174 JavaThread* jt = (JavaThread*)thread; |
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175 if (jt->thread_state() == _thread_in_native) { |
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176 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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177 } |
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178 } |
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179 out->print_raw_cr("#"); |
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180 } |
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181 |
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182 |
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183 // Return a string to describe the error |
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184 char* VMError::error_string(char* buf, int buflen) { |
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185 char signame_buf[64]; |
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186 const char *signame = os::exception_name(_id, signame_buf, sizeof(signame_buf)); |
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187 |
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188 if (signame) { |
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189 jio_snprintf(buf, buflen, |
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190 "%s (0x%x) at pc=" PTR_FORMAT ", pid=%d, tid=" UINTX_FORMAT, |
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191 signame, _id, _pc, |
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192 os::current_process_id(), os::current_thread_id()); |
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193 } else { |
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194 if (_filename != NULL && _lineno > 0) { |
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195 // skip directory names |
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196 char separator = os::file_separator()[0]; |
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197 const char *p = strrchr(_filename, separator); |
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198 |
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199 jio_snprintf(buf, buflen, |
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200 "Internal Error at %s:%d, pid=%d, tid=" UINTX_FORMAT " \nError: %s", |
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201 p ? p + 1 : _filename, _lineno, |
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202 os::current_process_id(), os::current_thread_id(), |
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203 _message ? _message : ""); |
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204 } else { |
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205 jio_snprintf(buf, buflen, |
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206 "Internal Error (0x%x), pid=%d, tid=" UINTX_FORMAT, |
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207 _id, os::current_process_id(), os::current_thread_id()); |
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208 } |
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209 } |
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210 |
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211 return buf; |
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212 } |
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213 |
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214 |
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215 // This is the main function to report a fatal error. Only one thread can |
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216 // call this function, so we don't need to worry about MT-safety. But it's |
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217 // possible that the error handler itself may crash or die on an internal |
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218 // error, for example, when the stack/heap is badly damaged. We must be |
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219 // able to handle recursive errors that happen inside error handler. |
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220 // |
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221 // Error reporting is done in several steps. If a crash or internal error |
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222 // occurred when reporting an error, the nested signal/exception handler |
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223 // can skip steps that are already (or partially) done. Error reporting will |
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224 // continue from the next step. This allows us to retrieve and print |
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225 // information that may be unsafe to get after a fatal error. If it happens, |
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226 // you may find nested report_and_die() frames when you look at the stack |
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227 // in a debugger. |
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228 // |
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229 // In general, a hang in error handler is much worse than a crash or internal |
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230 // error, as it's harder to recover from a hang. Deadlock can happen if we |
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231 // try to grab a lock that is already owned by current thread, or if the |
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232 // owner is blocked forever (e.g. in os::infinite_sleep()). If possible, the |
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233 // error handler and all the functions it called should avoid grabbing any |
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234 // lock. An important thing to notice is that memory allocation needs a lock. |
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235 // |
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236 // We should avoid using large stack allocated buffers. Many errors happen |
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237 // when stack space is already low. Making things even worse is that there |
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238 // could be nested report_and_die() calls on stack (see above). Only one |
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239 // thread can report error, so large buffers are statically allocated in data |
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240 // segment. |
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241 |
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242 void VMError::report(outputStream* st) { |
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243 # define BEGIN if (_current_step == 0) { _current_step = 1; |
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244 # define STEP(n, s) } if (_current_step < n) { _current_step = n; _current_step_info = s; |
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245 # define END } |
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246 |
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247 // don't allocate large buffer on stack |
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248 static char buf[O_BUFLEN]; |
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249 |
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250 BEGIN |
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251 |
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252 STEP(10, "(printing unexpected error message)") |
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253 |
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254 st->print_cr("#"); |
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255 st->print_cr("# An unexpected error has been detected by Java Runtime Environment:"); |
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256 |
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257 STEP(15, "(printing type of error)") |
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258 |
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259 switch(_id) { |
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260 case oom_error: |
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261 st->print_cr("#"); |
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262 st->print("# java.lang.OutOfMemoryError: "); |
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263 if (_size) { |
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264 st->print("requested "); |
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265 sprintf(buf,"%d",_size); |
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266 st->print(buf); |
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267 st->print(" bytes"); |
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268 if (_message != NULL) { |
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269 st->print(" for "); |
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270 st->print(_message); |
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271 } |
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272 st->print_cr(". Out of swap space?"); |
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273 } else { |
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274 if (_message != NULL) |
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275 st->print_cr(_message); |
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276 } |
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277 break; |
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278 case internal_error: |
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279 default: |
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280 break; |
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281 } |
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282 |
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283 STEP(20, "(printing exception/signal name)") |
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284 |
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285 st->print_cr("#"); |
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286 st->print("# "); |
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287 // Is it an OS exception/signal? |
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288 if (os::exception_name(_id, buf, sizeof(buf))) { |
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289 st->print("%s", buf); |
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290 st->print(" (0x%x)", _id); // signal number |
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291 st->print(" at pc=" PTR_FORMAT, _pc); |
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292 } else { |
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293 st->print("Internal Error"); |
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294 if (_filename != NULL && _lineno > 0) { |
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295 #ifdef PRODUCT |
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296 // In product mode chop off pathname? |
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297 char separator = os::file_separator()[0]; |
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298 const char *p = strrchr(_filename, separator); |
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299 const char *file = p ? p+1 : _filename; |
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300 #else |
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301 const char *file = _filename; |
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302 #endif |
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303 size_t len = strlen(file); |
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304 size_t buflen = sizeof(buf); |
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305 |
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306 strncpy(buf, file, buflen); |
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307 if (len + 10 < buflen) { |
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308 sprintf(buf + len, ":" SIZE_FORMAT, _lineno); |
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309 } |
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310 st->print(" (%s)", buf); |
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311 } else { |
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312 st->print(" (0x%x)", _id); |
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313 } |
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314 } |
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315 |
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316 STEP(30, "(printing current thread and pid)") |
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317 |
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318 // process id, thread id |
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319 st->print(", pid=%d", os::current_process_id()); |
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320 st->print(", tid=" UINTX_FORMAT, os::current_thread_id()); |
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321 st->cr(); |
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322 |
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323 STEP(40, "(printing error message)") |
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324 |
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325 // error message |
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326 if (_message && _message[0] != '\0') { |
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327 st->print_cr("# Error: %s", _message); |
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328 } |
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329 |
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330 STEP(50, "(printing Java version string)") |
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331 |
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332 // VM version |
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333 st->print_cr("#"); |
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334 st->print_cr("# Java VM: %s (%s %s %s)", |
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335 Abstract_VM_Version::vm_name(), |
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336 Abstract_VM_Version::vm_release(), |
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337 Abstract_VM_Version::vm_info_string(), |
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338 Abstract_VM_Version::vm_platform_string() |
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339 ); |
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340 |
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341 STEP(60, "(printing problematic frame)") |
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342 |
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343 // Print current frame if we have a context (i.e. it's a crash) |
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344 if (_context) { |
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345 st->print_cr("# Problematic frame:"); |
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346 st->print("# "); |
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347 frame fr = os::fetch_frame_from_context(_context); |
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348 fr.print_on_error(st, buf, sizeof(buf)); |
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349 st->cr(); |
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350 st->print_cr("#"); |
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351 } |
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352 |
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353 STEP(65, "(printing bug submit message)") |
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354 |
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355 if (_verbose) print_bug_submit_message(st, _thread); |
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356 |
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357 STEP(70, "(printing thread)" ) |
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358 |
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359 if (_verbose) { |
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360 st->cr(); |
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361 st->print_cr("--------------- T H R E A D ---------------"); |
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362 st->cr(); |
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363 } |
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364 |
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365 STEP(80, "(printing current thread)" ) |
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366 |
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367 // current thread |
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368 if (_verbose) { |
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369 if (_thread) { |
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370 st->print("Current thread (" PTR_FORMAT "): ", _thread); |
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371 _thread->print_on_error(st, buf, sizeof(buf)); |
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372 st->cr(); |
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373 } else { |
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374 st->print_cr("Current thread is native thread"); |
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375 } |
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376 st->cr(); |
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377 } |
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378 |
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379 STEP(90, "(printing siginfo)" ) |
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380 |
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381 // signal no, signal code, address that caused the fault |
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382 if (_verbose && _siginfo) { |
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383 os::print_siginfo(st, _siginfo); |
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384 st->cr(); |
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385 } |
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386 |
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387 STEP(100, "(printing registers, top of stack, instructions near pc)") |
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388 |
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389 // registers, top of stack, instructions near pc |
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390 if (_verbose && _context) { |
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391 os::print_context(st, _context); |
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392 st->cr(); |
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393 } |
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394 |
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395 STEP(110, "(printing stack bounds)" ) |
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396 |
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397 if (_verbose) { |
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398 st->print("Stack: "); |
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399 |
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400 address stack_top; |
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401 size_t stack_size; |
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402 |
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403 if (_thread) { |
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404 stack_top = _thread->stack_base(); |
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405 stack_size = _thread->stack_size(); |
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406 } else { |
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407 stack_top = os::current_stack_base(); |
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408 stack_size = os::current_stack_size(); |
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409 } |
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410 |
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411 address stack_bottom = stack_top - stack_size; |
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412 st->print("[" PTR_FORMAT "," PTR_FORMAT "]", stack_bottom, stack_top); |
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413 |
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414 frame fr = _context ? os::fetch_frame_from_context(_context) |
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415 : os::current_frame(); |
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416 |
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417 if (fr.sp()) { |
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418 st->print(", sp=" PTR_FORMAT, fr.sp()); |
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419 st->print(", free space=%dk", |
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420 ((intptr_t)fr.sp() - (intptr_t)stack_bottom) >> 10); |
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421 } |
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422 |
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423 st->cr(); |
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424 } |
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425 |
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426 STEP(120, "(printing native stack)" ) |
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427 |
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428 if (_verbose) { |
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429 frame fr = _context ? os::fetch_frame_from_context(_context) |
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430 : os::current_frame(); |
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431 |
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432 // see if it's a valid frame |
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433 if (fr.pc()) { |
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434 st->print_cr("Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)"); |
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435 |
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436 int count = 0; |
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437 |
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438 while (count++ < StackPrintLimit) { |
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439 fr.print_on_error(st, buf, sizeof(buf)); |
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440 st->cr(); |
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441 if (os::is_first_C_frame(&fr)) break; |
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442 fr = os::get_sender_for_C_frame(&fr); |
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443 } |
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444 |
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445 if (count > StackPrintLimit) { |
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446 st->print_cr("...<more frames>..."); |
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447 } |
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448 |
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449 st->cr(); |
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450 } |
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451 } |
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452 |
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453 STEP(130, "(printing Java stack)" ) |
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454 |
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455 if (_verbose && _thread && _thread->is_Java_thread()) { |
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456 JavaThread* jt = (JavaThread*)_thread; |
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457 if (jt->has_last_Java_frame()) { |
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458 st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)"); |
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459 for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) { |
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460 sfs.current()->print_on_error(st, buf, sizeof(buf)); |
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461 st->cr(); |
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462 } |
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463 } |
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464 } |
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465 |
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466 STEP(140, "(printing VM operation)" ) |
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467 |
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468 if (_verbose && _thread && _thread->is_VM_thread()) { |
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469 VMThread* t = (VMThread*)_thread; |
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470 VM_Operation* op = t->vm_operation(); |
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471 if (op) { |
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472 op->print_on_error(st); |
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473 st->cr(); |
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474 st->cr(); |
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475 } |
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476 } |
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477 |
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478 STEP(150, "(printing current compile task)" ) |
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479 |
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480 if (_verbose && _thread && _thread->is_Compiler_thread()) { |
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481 CompilerThread* t = (CompilerThread*)_thread; |
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482 if (t->task()) { |
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483 st->cr(); |
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484 st->print_cr("Current CompileTask:"); |
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485 t->task()->print_line_on_error(st, buf, sizeof(buf)); |
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486 st->cr(); |
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487 } |
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488 } |
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489 |
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490 STEP(160, "(printing process)" ) |
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491 |
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492 if (_verbose) { |
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493 st->cr(); |
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494 st->print_cr("--------------- P R O C E S S ---------------"); |
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495 st->cr(); |
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496 } |
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497 |
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498 STEP(170, "(printing all threads)" ) |
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499 |
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500 // all threads |
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501 if (_verbose && _thread) { |
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502 Threads::print_on_error(st, _thread, buf, sizeof(buf)); |
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503 st->cr(); |
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504 } |
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505 |
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506 STEP(175, "(printing VM state)" ) |
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507 |
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508 if (_verbose) { |
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509 // Safepoint state |
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510 st->print("VM state:"); |
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511 |
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512 if (SafepointSynchronize::is_synchronizing()) st->print("synchronizing"); |
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513 else if (SafepointSynchronize::is_at_safepoint()) st->print("at safepoint"); |
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514 else st->print("not at safepoint"); |
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515 |
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516 // Also see if error occurred during initialization or shutdown |
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517 if (!Universe::is_fully_initialized()) { |
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518 st->print(" (not fully initialized)"); |
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519 } else if (VM_Exit::vm_exited()) { |
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520 st->print(" (shutting down)"); |
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521 } else { |
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522 st->print(" (normal execution)"); |
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523 } |
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524 st->cr(); |
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525 st->cr(); |
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526 } |
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527 |
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528 STEP(180, "(printing owned locks on error)" ) |
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529 |
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530 // mutexes/monitors that currently have an owner |
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531 if (_verbose) { |
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532 print_owned_locks_on_error(st); |
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533 st->cr(); |
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534 } |
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535 |
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536 STEP(190, "(printing heap information)" ) |
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537 |
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538 if (_verbose && Universe::is_fully_initialized()) { |
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539 // print heap information before vm abort |
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540 Universe::print_on(st); |
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541 st->cr(); |
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542 } |
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543 |
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544 STEP(200, "(printing dynamic libraries)" ) |
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545 |
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546 if (_verbose) { |
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547 // dynamic libraries, or memory map |
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548 os::print_dll_info(st); |
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549 st->cr(); |
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550 } |
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551 |
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552 STEP(210, "(printing VM options)" ) |
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553 |
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554 if (_verbose) { |
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555 // VM options |
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556 Arguments::print_on(st); |
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557 st->cr(); |
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558 } |
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559 |
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560 STEP(220, "(printing environment variables)" ) |
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561 |
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562 if (_verbose) { |
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563 os::print_environment_variables(st, env_list, buf, sizeof(buf)); |
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564 st->cr(); |
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565 } |
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566 |
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567 STEP(225, "(printing signal handlers)" ) |
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568 |
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569 if (_verbose) { |
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570 os::print_signal_handlers(st, buf, sizeof(buf)); |
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571 st->cr(); |
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572 } |
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573 |
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574 STEP(230, "" ) |
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575 |
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576 if (_verbose) { |
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577 st->cr(); |
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578 st->print_cr("--------------- S Y S T E M ---------------"); |
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579 st->cr(); |
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580 } |
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581 |
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582 STEP(240, "(printing OS information)" ) |
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583 |
|
584 if (_verbose) { |
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585 os::print_os_info(st); |
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586 st->cr(); |
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587 } |
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588 |
|
589 STEP(250, "(printing CPU info)" ) |
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590 if (_verbose) { |
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591 os::print_cpu_info(st); |
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592 st->cr(); |
|
593 } |
|
594 |
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595 STEP(260, "(printing memory info)" ) |
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596 |
|
597 if (_verbose) { |
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598 os::print_memory_info(st); |
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599 st->cr(); |
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600 } |
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601 |
|
602 STEP(270, "(printing internal vm info)" ) |
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603 |
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604 if (_verbose) { |
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605 st->print_cr("vm_info: %s", Abstract_VM_Version::internal_vm_info_string()); |
|
606 st->cr(); |
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607 } |
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608 |
|
609 STEP(280, "(printing date and time)" ) |
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610 |
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611 if (_verbose) { |
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612 os::print_date_and_time(st); |
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613 st->cr(); |
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614 } |
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615 |
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616 END |
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617 |
|
618 # undef BEGIN |
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619 # undef STEP |
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620 # undef END |
|
621 } |
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622 |
|
623 |
|
624 void VMError::report_and_die() { |
|
625 // Don't allocate large buffer on stack |
|
626 static char buffer[O_BUFLEN]; |
|
627 |
|
628 // First error, and its thread id. We must be able to handle native thread, |
|
629 // so use thread id instead of Thread* to identify thread. |
|
630 static VMError* first_error; |
|
631 static jlong first_error_tid; |
|
632 |
|
633 // An error could happen before tty is initialized or after it has been |
|
634 // destroyed. Here we use a very simple unbuffered fdStream for printing. |
|
635 // Only out.print_raw() and out.print_raw_cr() should be used, as other |
|
636 // printing methods need to allocate large buffer on stack. To format a |
|
637 // string, use jio_snprintf() with a static buffer or use staticBufferStream. |
|
638 static fdStream out(defaultStream::output_fd()); |
|
639 |
|
640 // How many errors occurred in error handler when reporting first_error. |
|
641 static int recursive_error_count; |
|
642 |
|
643 // We will first print a brief message to standard out (verbose = false), |
|
644 // then save detailed information in log file (verbose = true). |
|
645 static bool out_done = false; // done printing to standard out |
|
646 static bool log_done = false; // done saving error log |
|
647 static fdStream log; // error log |
|
648 |
|
649 if (SuppressFatalErrorMessage) { |
|
650 os::abort(); |
|
651 } |
|
652 jlong mytid = os::current_thread_id(); |
|
653 if (first_error == NULL && |
|
654 Atomic::cmpxchg_ptr(this, &first_error, NULL) == NULL) { |
|
655 |
|
656 // first time |
|
657 first_error_tid = mytid; |
|
658 set_error_reported(); |
|
659 |
|
660 if (ShowMessageBoxOnError) { |
|
661 show_message_box(buffer, sizeof(buffer)); |
|
662 |
|
663 // User has asked JVM to abort. Reset ShowMessageBoxOnError so the |
|
664 // WatcherThread can kill JVM if the error handler hangs. |
|
665 ShowMessageBoxOnError = false; |
|
666 } |
|
667 |
|
668 // reset signal handlers or exception filter; make sure recursive crashes |
|
669 // are handled properly. |
|
670 reset_signal_handlers(); |
|
671 |
|
672 } else { |
|
673 // This is not the first error, see if it happened in a different thread |
|
674 // or in the same thread during error reporting. |
|
675 if (first_error_tid != mytid) { |
|
676 jio_snprintf(buffer, sizeof(buffer), |
|
677 "[thread " INT64_FORMAT " also had an error]", |
|
678 mytid); |
|
679 out.print_raw_cr(buffer); |
|
680 |
|
681 // error reporting is not MT-safe, block current thread |
|
682 os::infinite_sleep(); |
|
683 |
|
684 } else { |
|
685 if (recursive_error_count++ > 30) { |
|
686 out.print_raw_cr("[Too many errors, abort]"); |
|
687 os::die(); |
|
688 } |
|
689 |
|
690 jio_snprintf(buffer, sizeof(buffer), |
|
691 "[error occurred during error reporting %s, id 0x%x]", |
|
692 first_error ? first_error->_current_step_info : "", |
|
693 _id); |
|
694 if (log.is_open()) { |
|
695 log.cr(); |
|
696 log.print_raw_cr(buffer); |
|
697 log.cr(); |
|
698 } else { |
|
699 out.cr(); |
|
700 out.print_raw_cr(buffer); |
|
701 out.cr(); |
|
702 } |
|
703 } |
|
704 } |
|
705 |
|
706 // print to screen |
|
707 if (!out_done) { |
|
708 first_error->_verbose = false; |
|
709 |
|
710 staticBufferStream sbs(buffer, sizeof(buffer), &out); |
|
711 first_error->report(&sbs); |
|
712 |
|
713 out_done = true; |
|
714 |
|
715 first_error->_current_step = 0; // reset current_step |
|
716 first_error->_current_step_info = ""; // reset current_step string |
|
717 } |
|
718 |
|
719 // print to error log file |
|
720 if (!log_done) { |
|
721 first_error->_verbose = true; |
|
722 |
|
723 // see if log file is already open |
|
724 if (!log.is_open()) { |
|
725 // open log file |
|
726 int fd = -1; |
|
727 |
|
728 if (ErrorFile != NULL) { |
|
729 bool copy_ok = |
|
730 Arguments::copy_expand_pid(ErrorFile, strlen(ErrorFile), buffer, sizeof(buffer)); |
|
731 if (copy_ok) { |
|
732 fd = open(buffer, O_WRONLY | O_CREAT | O_TRUNC, 0666); |
|
733 } |
|
734 } |
|
735 |
|
736 if (fd == -1) { |
|
737 const char *cwd = os::get_current_directory(buffer, sizeof(buffer)); |
|
738 size_t len = strlen(cwd); |
|
739 // either user didn't specify, or the user's location failed, |
|
740 // so use the default name in the current directory |
|
741 jio_snprintf(&buffer[len], sizeof(buffer)-len, "%shs_err_pid%u.log", |
|
742 os::file_separator(), os::current_process_id()); |
|
743 fd = open(buffer, O_WRONLY | O_CREAT | O_TRUNC, 0666); |
|
744 } |
|
745 |
|
746 if (fd == -1) { |
|
747 // try temp directory |
|
748 const char * tmpdir = os::get_temp_directory(); |
|
749 jio_snprintf(buffer, sizeof(buffer), "%shs_err_pid%u.log", |
|
750 (tmpdir ? tmpdir : ""), os::current_process_id()); |
|
751 fd = open(buffer, O_WRONLY | O_CREAT | O_TRUNC, 0666); |
|
752 } |
|
753 |
|
754 if (fd != -1) { |
|
755 out.print_raw("# An error report file with more information is saved as:\n# "); |
|
756 out.print_raw_cr(buffer); |
|
757 os::set_error_file(buffer); |
|
758 |
|
759 log.set_fd(fd); |
|
760 } else { |
|
761 out.print_raw_cr("# Can not save log file, dump to screen.."); |
|
762 log.set_fd(defaultStream::output_fd()); |
|
763 } |
|
764 } |
|
765 |
|
766 staticBufferStream sbs(buffer, O_BUFLEN, &log); |
|
767 first_error->report(&sbs); |
|
768 first_error->_current_step = 0; // reset current_step |
|
769 first_error->_current_step_info = ""; // reset current_step string |
|
770 |
|
771 if (log.fd() != defaultStream::output_fd()) { |
|
772 close(log.fd()); |
|
773 } |
|
774 |
|
775 log.set_fd(-1); |
|
776 log_done = true; |
|
777 } |
|
778 |
|
779 |
|
780 static bool skip_OnError = false; |
|
781 if (!skip_OnError && OnError && OnError[0]) { |
|
782 skip_OnError = true; |
|
783 |
|
784 out.print_raw_cr("#"); |
|
785 out.print_raw ("# -XX:OnError=\""); |
|
786 out.print_raw (OnError); |
|
787 out.print_raw_cr("\""); |
|
788 |
|
789 char* cmd; |
|
790 const char* ptr = OnError; |
|
791 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ |
|
792 out.print_raw ("# Executing "); |
|
793 #if defined(LINUX) |
|
794 out.print_raw ("/bin/sh -c "); |
|
795 #elif defined(SOLARIS) |
|
796 out.print_raw ("/usr/bin/sh -c "); |
|
797 #endif |
|
798 out.print_raw ("\""); |
|
799 out.print_raw (cmd); |
|
800 out.print_raw_cr("\" ..."); |
|
801 |
|
802 os::fork_and_exec(cmd); |
|
803 } |
|
804 |
|
805 // done with OnError |
|
806 OnError = NULL; |
|
807 } |
|
808 |
|
809 static bool skip_bug_url = false; |
|
810 if (!skip_bug_url) { |
|
811 skip_bug_url = true; |
|
812 |
|
813 out.print_raw_cr("#"); |
|
814 print_bug_submit_message(&out, _thread); |
|
815 } |
|
816 |
|
817 if (!UseOSErrorReporting) { |
|
818 // os::abort() will call abort hooks, try it first. |
|
819 static bool skip_os_abort = false; |
|
820 if (!skip_os_abort) { |
|
821 skip_os_abort = true; |
|
822 os::abort(); |
|
823 } |
|
824 |
|
825 // if os::abort() doesn't abort, try os::die(); |
|
826 os::die(); |
|
827 } |
|
828 } |
|
829 |
|
830 /* |
|
831 * OnOutOfMemoryError scripts/commands executed while VM is a safepoint - this |
|
832 * ensures utilities such as jmap can observe the process is a consistent state. |
|
833 */ |
|
834 class VM_ReportJavaOutOfMemory : public VM_Operation { |
|
835 private: |
|
836 VMError *_err; |
|
837 public: |
|
838 VM_ReportJavaOutOfMemory(VMError *err) { _err = err; } |
|
839 VMOp_Type type() const { return VMOp_ReportJavaOutOfMemory; } |
|
840 void doit(); |
|
841 }; |
|
842 |
|
843 void VM_ReportJavaOutOfMemory::doit() { |
|
844 // Don't allocate large buffer on stack |
|
845 static char buffer[O_BUFLEN]; |
|
846 |
|
847 tty->print_cr("#"); |
|
848 tty->print_cr("# java.lang.OutOfMemoryError: %s", _err->message()); |
|
849 tty->print_cr("# -XX:OnOutOfMemoryError=\"%s\"", OnOutOfMemoryError); |
|
850 |
|
851 // make heap parsability |
|
852 Universe::heap()->ensure_parsability(false); // no need to retire TLABs |
|
853 |
|
854 char* cmd; |
|
855 const char* ptr = OnOutOfMemoryError; |
|
856 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ |
|
857 tty->print("# Executing "); |
|
858 #if defined(LINUX) |
|
859 tty->print ("/bin/sh -c "); |
|
860 #elif defined(SOLARIS) |
|
861 tty->print ("/usr/bin/sh -c "); |
|
862 #endif |
|
863 tty->print_cr("\"%s\"...", cmd); |
|
864 |
|
865 os::fork_and_exec(cmd); |
|
866 } |
|
867 } |
|
868 |
|
869 void VMError::report_java_out_of_memory() { |
|
870 if (OnOutOfMemoryError && OnOutOfMemoryError[0]) { |
|
871 MutexLocker ml(Heap_lock); |
|
872 VM_ReportJavaOutOfMemory op(this); |
|
873 VMThread::execute(&op); |
|
874 } |
|
875 } |