Mercurial > hg > truffle
annotate src/share/vm/utilities/vmError.cpp @ 2177:3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
Summary: move symbols from permgen into C heap and reference count them
Reviewed-by: never, acorn, jmasa, stefank
| author | coleenp |
|---|---|
| date | Thu, 27 Jan 2011 16:11:27 -0800 |
| parents | 34d64ad817f4 |
| children | d8a72fbc4be7 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "compiler/compileBroker.hpp" | |
| 27 #include "gc_interface/collectedHeap.hpp" | |
| 28 #include "runtime/arguments.hpp" | |
| 29 #include "runtime/frame.inline.hpp" | |
| 30 #include "runtime/init.hpp" | |
| 31 #include "runtime/os.hpp" | |
| 32 #include "runtime/thread.hpp" | |
| 33 #include "runtime/vmThread.hpp" | |
| 34 #include "runtime/vm_operations.hpp" | |
| 35 #include "utilities/debug.hpp" | |
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36 #include "utilities/decoder.hpp" |
| 1972 | 37 #include "utilities/defaultStream.hpp" |
| 38 #include "utilities/top.hpp" | |
| 39 #include "utilities/vmError.hpp" | |
| 0 | 40 |
| 41 // List of environment variables that should be reported in error log file. | |
| 42 const char *env_list[] = { | |
| 43 // All platforms | |
| 44 "JAVA_HOME", "JRE_HOME", "JAVA_TOOL_OPTIONS", "_JAVA_OPTIONS", "CLASSPATH", | |
| 45 "JAVA_COMPILER", "PATH", "USERNAME", | |
| 46 | |
| 47 // Env variables that are defined on Solaris/Linux | |
| 48 "LD_LIBRARY_PATH", "LD_PRELOAD", "SHELL", "DISPLAY", | |
| 49 "HOSTTYPE", "OSTYPE", "ARCH", "MACHTYPE", | |
| 50 | |
| 51 // defined on Linux | |
| 52 "LD_ASSUME_KERNEL", "_JAVA_SR_SIGNUM", | |
| 53 | |
| 54 // defined on Windows | |
| 55 "OS", "PROCESSOR_IDENTIFIER", "_ALT_JAVA_HOME_DIR", | |
| 56 | |
| 57 (const char *)0 | |
| 58 }; | |
| 59 | |
| 60 // Fatal error handler for internal errors and crashes. | |
| 61 // | |
| 62 // The default behavior of fatal error handler is to print a brief message | |
| 63 // to standard out (defaultStream::output_fd()), then save detailed information | |
| 64 // into an error report file (hs_err_pid<pid>.log) and abort VM. If multiple | |
| 65 // threads are having troubles at the same time, only one error is reported. | |
| 66 // The thread that is reporting error will abort VM when it is done, all other | |
| 67 // threads are blocked forever inside report_and_die(). | |
| 68 | |
| 69 // Constructor for crashes | |
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70 VMError::VMError(Thread* thread, unsigned int sig, address pc, void* siginfo, void* context) { |
| 0 | 71 _thread = thread; |
| 72 _id = sig; | |
| 73 _pc = pc; | |
| 74 _siginfo = siginfo; | |
| 75 _context = context; | |
| 76 | |
| 77 _verbose = false; | |
| 78 _current_step = 0; | |
| 79 _current_step_info = NULL; | |
| 80 | |
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81 _message = NULL; |
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82 _detail_msg = NULL; |
| 0 | 83 _filename = NULL; |
| 84 _lineno = 0; | |
| 85 | |
| 86 _size = 0; | |
| 87 } | |
| 88 | |
| 89 // Constructor for internal errors | |
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90 VMError::VMError(Thread* thread, const char* filename, int lineno, |
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91 const char* message, const char * detail_msg) |
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92 { |
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93 _thread = thread; |
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94 _id = internal_error; // Value that's not an OS exception/signal |
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95 _filename = filename; |
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96 _lineno = lineno; |
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97 _message = message; |
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98 _detail_msg = detail_msg; |
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99 |
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100 _verbose = false; |
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101 _current_step = 0; |
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102 _current_step_info = NULL; |
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103 |
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104 _pc = NULL; |
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105 _siginfo = NULL; |
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106 _context = NULL; |
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107 |
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108 _size = 0; |
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109 } |
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110 |
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111 // Constructor for OOM errors |
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112 VMError::VMError(Thread* thread, const char* filename, int lineno, size_t size, |
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113 const char* message) { |
| 0 | 114 _thread = thread; |
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115 _id = oom_error; // Value that's not an OS exception/signal |
| 0 | 116 _filename = filename; |
| 117 _lineno = lineno; | |
| 118 _message = message; | |
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119 _detail_msg = NULL; |
| 0 | 120 |
| 121 _verbose = false; | |
| 122 _current_step = 0; | |
| 123 _current_step_info = NULL; | |
| 124 | |
| 125 _pc = NULL; | |
| 126 _siginfo = NULL; | |
| 127 _context = NULL; | |
| 128 | |
| 129 _size = size; | |
| 130 } | |
| 131 | |
| 132 | |
| 133 // Constructor for non-fatal errors | |
| 134 VMError::VMError(const char* message) { | |
| 135 _thread = NULL; | |
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136 _id = internal_error; // Value that's not an OS exception/signal |
| 0 | 137 _filename = NULL; |
| 138 _lineno = 0; | |
| 139 _message = message; | |
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140 _detail_msg = NULL; |
| 0 | 141 |
| 142 _verbose = false; | |
| 143 _current_step = 0; | |
| 144 _current_step_info = NULL; | |
| 145 | |
| 146 _pc = NULL; | |
| 147 _siginfo = NULL; | |
| 148 _context = NULL; | |
| 149 | |
| 150 _size = 0; | |
| 151 } | |
| 152 | |
| 153 // -XX:OnError=<string>, where <string> can be a list of commands, separated | |
| 154 // by ';'. "%p" is replaced by current process id (pid); "%%" is replaced by | |
| 155 // a single "%". Some examples: | |
| 156 // | |
| 157 // -XX:OnError="pmap %p" // show memory map | |
| 158 // -XX:OnError="gcore %p; dbx - %p" // dump core and launch debugger | |
| 159 // -XX:OnError="cat hs_err_pid%p.log | mail my_email@sun.com" | |
| 160 // -XX:OnError="kill -9 %p" // ?#!@# | |
| 161 | |
| 162 // A simple parser for -XX:OnError, usage: | |
| 163 // ptr = OnError; | |
| 164 // while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr) != NULL) | |
| 165 // ... ... | |
| 166 static char* next_OnError_command(char* buf, int buflen, const char** ptr) { | |
| 167 if (ptr == NULL || *ptr == NULL) return NULL; | |
| 168 | |
| 169 const char* cmd = *ptr; | |
| 170 | |
| 171 // skip leading blanks or ';' | |
| 172 while (*cmd == ' ' || *cmd == ';') cmd++; | |
| 173 | |
| 174 if (*cmd == '\0') return NULL; | |
| 175 | |
| 176 const char * cmdend = cmd; | |
| 177 while (*cmdend != '\0' && *cmdend != ';') cmdend++; | |
| 178 | |
| 179 Arguments::copy_expand_pid(cmd, cmdend - cmd, buf, buflen); | |
| 180 | |
| 181 *ptr = (*cmdend == '\0' ? cmdend : cmdend + 1); | |
| 182 return buf; | |
| 183 } | |
| 184 | |
| 185 | |
| 186 static void print_bug_submit_message(outputStream *out, Thread *thread) { | |
| 187 if (out == NULL) return; | |
| 188 out->print_raw_cr("# If you would like to submit a bug report, please visit:"); | |
| 189 out->print_raw ("# "); | |
| 190 out->print_raw_cr(Arguments::java_vendor_url_bug()); | |
| 191 // If the crash is in native code, encourage user to submit a bug to the | |
| 192 // provider of that code. | |
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193 if (thread && thread->is_Java_thread() && |
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194 !thread->is_hidden_from_external_view()) { |
| 0 | 195 JavaThread* jt = (JavaThread*)thread; |
| 196 if (jt->thread_state() == _thread_in_native) { | |
| 197 out->print_cr("# The crash happened outside the Java Virtual Machine in native code.\n# See problematic frame for where to report the bug."); | |
| 198 } | |
| 199 } | |
| 200 out->print_raw_cr("#"); | |
| 201 } | |
| 202 | |
| 203 | |
| 204 // Return a string to describe the error | |
| 205 char* VMError::error_string(char* buf, int buflen) { | |
| 206 char signame_buf[64]; | |
| 207 const char *signame = os::exception_name(_id, signame_buf, sizeof(signame_buf)); | |
| 208 | |
| 209 if (signame) { | |
| 210 jio_snprintf(buf, buflen, | |
| 211 "%s (0x%x) at pc=" PTR_FORMAT ", pid=%d, tid=" UINTX_FORMAT, | |
| 212 signame, _id, _pc, | |
| 213 os::current_process_id(), os::current_thread_id()); | |
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214 } else if (_filename != NULL && _lineno > 0) { |
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215 // skip directory names |
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216 char separator = os::file_separator()[0]; |
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217 const char *p = strrchr(_filename, separator); |
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218 int n = jio_snprintf(buf, buflen, |
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219 "Internal Error at %s:%d, pid=%d, tid=" UINTX_FORMAT, |
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220 p ? p + 1 : _filename, _lineno, |
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221 os::current_process_id(), os::current_thread_id()); |
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222 if (n >= 0 && n < buflen && _message) { |
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223 if (_detail_msg) { |
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224 jio_snprintf(buf + n, buflen - n, "%s%s: %s", |
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225 os::line_separator(), _message, _detail_msg); |
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226 } else { |
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227 jio_snprintf(buf + n, buflen - n, "%sError: %s", |
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228 os::line_separator(), _message); |
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229 } |
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230 } |
| 0 | 231 } else { |
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232 jio_snprintf(buf, buflen, |
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233 "Internal Error (0x%x), pid=%d, tid=" UINTX_FORMAT, |
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234 _id, os::current_process_id(), os::current_thread_id()); |
| 0 | 235 } |
| 236 | |
| 237 return buf; | |
| 238 } | |
| 239 | |
| 1384 | 240 void VMError::print_stack_trace(outputStream* st, JavaThread* jt, |
| 241 char* buf, int buflen, bool verbose) { | |
| 242 #ifdef ZERO | |
| 243 if (jt->zero_stack()->sp() && jt->top_zero_frame()) { | |
| 244 // StackFrameStream uses the frame anchor, which may not have | |
| 245 // been set up. This can be done at any time in Zero, however, | |
| 246 // so if it hasn't been set up then we just set it up now and | |
| 247 // clear it again when we're done. | |
| 248 bool has_last_Java_frame = jt->has_last_Java_frame(); | |
| 249 if (!has_last_Java_frame) | |
| 250 jt->set_last_Java_frame(); | |
| 251 st->print("Java frames:"); | |
| 252 | |
| 253 // If the top frame is a Shark frame and the frame anchor isn't | |
| 254 // set up then it's possible that the information in the frame | |
| 255 // is garbage: it could be from a previous decache, or it could | |
| 256 // simply have never been written. So we print a warning... | |
| 257 StackFrameStream sfs(jt); | |
| 258 if (!has_last_Java_frame && !sfs.is_done()) { | |
| 259 if (sfs.current()->zeroframe()->is_shark_frame()) { | |
| 260 st->print(" (TOP FRAME MAY BE JUNK)"); | |
| 261 } | |
| 262 } | |
| 263 st->cr(); | |
| 264 | |
| 265 // Print the frames | |
| 266 for(int i = 0; !sfs.is_done(); sfs.next(), i++) { | |
| 267 sfs.current()->zero_print_on_error(i, st, buf, buflen); | |
| 268 st->cr(); | |
| 269 } | |
| 270 | |
| 271 // Reset the frame anchor if necessary | |
| 272 if (!has_last_Java_frame) | |
| 273 jt->reset_last_Java_frame(); | |
| 274 } | |
| 275 #else | |
| 276 if (jt->has_last_Java_frame()) { | |
| 277 st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)"); | |
| 278 for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) { | |
| 279 sfs.current()->print_on_error(st, buf, buflen, verbose); | |
| 280 st->cr(); | |
| 281 } | |
| 282 } | |
| 283 #endif // ZERO | |
| 284 } | |
| 0 | 285 |
| 286 // This is the main function to report a fatal error. Only one thread can | |
| 287 // call this function, so we don't need to worry about MT-safety. But it's | |
| 288 // possible that the error handler itself may crash or die on an internal | |
| 289 // error, for example, when the stack/heap is badly damaged. We must be | |
| 290 // able to handle recursive errors that happen inside error handler. | |
| 291 // | |
| 292 // Error reporting is done in several steps. If a crash or internal error | |
| 293 // occurred when reporting an error, the nested signal/exception handler | |
| 294 // can skip steps that are already (or partially) done. Error reporting will | |
| 295 // continue from the next step. This allows us to retrieve and print | |
| 296 // information that may be unsafe to get after a fatal error. If it happens, | |
| 297 // you may find nested report_and_die() frames when you look at the stack | |
| 298 // in a debugger. | |
| 299 // | |
| 300 // In general, a hang in error handler is much worse than a crash or internal | |
| 301 // error, as it's harder to recover from a hang. Deadlock can happen if we | |
| 302 // try to grab a lock that is already owned by current thread, or if the | |
| 303 // owner is blocked forever (e.g. in os::infinite_sleep()). If possible, the | |
| 304 // error handler and all the functions it called should avoid grabbing any | |
| 305 // lock. An important thing to notice is that memory allocation needs a lock. | |
| 306 // | |
| 307 // We should avoid using large stack allocated buffers. Many errors happen | |
| 308 // when stack space is already low. Making things even worse is that there | |
| 309 // could be nested report_and_die() calls on stack (see above). Only one | |
| 310 // thread can report error, so large buffers are statically allocated in data | |
| 311 // segment. | |
| 312 | |
| 313 void VMError::report(outputStream* st) { | |
| 314 # define BEGIN if (_current_step == 0) { _current_step = 1; | |
| 315 # define STEP(n, s) } if (_current_step < n) { _current_step = n; _current_step_info = s; | |
| 316 # define END } | |
| 317 | |
| 318 // don't allocate large buffer on stack | |
| 319 static char buf[O_BUFLEN]; | |
| 320 | |
| 321 BEGIN | |
| 322 | |
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323 STEP(10, "(printing fatal error message)") |
| 0 | 324 |
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325 st->print_cr("#"); |
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326 if (should_report_bug(_id)) { |
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327 st->print_cr("# A fatal error has been detected by the Java Runtime Environment:"); |
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328 } else { |
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329 st->print_cr("# There is insufficient memory for the Java " |
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330 "Runtime Environment to continue."); |
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331 } |
| 0 | 332 |
| 333 STEP(15, "(printing type of error)") | |
| 334 | |
| 335 switch(_id) { | |
| 336 case oom_error: | |
| 337 if (_size) { | |
|
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338 st->print("# Native memory allocation (malloc) failed to allocate "); |
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339 jio_snprintf(buf, sizeof(buf), SIZE_FORMAT, _size); |
| 0 | 340 st->print(buf); |
| 341 st->print(" bytes"); | |
| 342 if (_message != NULL) { | |
| 343 st->print(" for "); | |
| 344 st->print(_message); | |
| 345 } | |
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346 st->cr(); |
| 0 | 347 } else { |
| 348 if (_message != NULL) | |
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349 st->print("# "); |
| 0 | 350 st->print_cr(_message); |
| 351 } | |
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352 // In error file give some solutions |
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353 if (_verbose) { |
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354 st->print_cr("# Possible reasons:"); |
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355 st->print_cr("# The system is out of physical RAM or swap space"); |
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356 st->print_cr("# In 32 bit mode, the process size limit was hit"); |
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357 st->print_cr("# Possible solutions:"); |
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358 st->print_cr("# Reduce memory load on the system"); |
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359 st->print_cr("# Increase physical memory or swap space"); |
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360 st->print_cr("# Check if swap backing store is full"); |
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361 st->print_cr("# Use 64 bit Java on a 64 bit OS"); |
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362 st->print_cr("# Decrease Java heap size (-Xmx/-Xms)"); |
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363 st->print_cr("# Decrease number of Java threads"); |
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364 st->print_cr("# Decrease Java thread stack sizes (-Xss)"); |
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365 st->print_cr("# Set larger code cache with -XX:ReservedCodeCacheSize="); |
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366 st->print_cr("# This output file may be truncated or incomplete."); |
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367 } else { |
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368 return; // that's enough for the screen |
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369 } |
| 0 | 370 break; |
| 371 case internal_error: | |
| 372 default: | |
| 373 break; | |
| 374 } | |
| 375 | |
| 376 STEP(20, "(printing exception/signal name)") | |
| 377 | |
| 378 st->print_cr("#"); | |
| 379 st->print("# "); | |
| 380 // Is it an OS exception/signal? | |
| 381 if (os::exception_name(_id, buf, sizeof(buf))) { | |
| 382 st->print("%s", buf); | |
| 383 st->print(" (0x%x)", _id); // signal number | |
| 384 st->print(" at pc=" PTR_FORMAT, _pc); | |
| 385 } else { | |
|
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386 if (should_report_bug(_id)) { |
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387 st->print("Internal Error"); |
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388 } else { |
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389 st->print("Out of Memory Error"); |
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390 } |
| 0 | 391 if (_filename != NULL && _lineno > 0) { |
| 392 #ifdef PRODUCT | |
| 393 // In product mode chop off pathname? | |
| 394 char separator = os::file_separator()[0]; | |
| 395 const char *p = strrchr(_filename, separator); | |
| 396 const char *file = p ? p+1 : _filename; | |
| 397 #else | |
| 398 const char *file = _filename; | |
| 399 #endif | |
| 400 size_t len = strlen(file); | |
| 401 size_t buflen = sizeof(buf); | |
| 402 | |
| 403 strncpy(buf, file, buflen); | |
| 404 if (len + 10 < buflen) { | |
|
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405 sprintf(buf + len, ":%d", _lineno); |
| 0 | 406 } |
| 407 st->print(" (%s)", buf); | |
| 408 } else { | |
| 409 st->print(" (0x%x)", _id); | |
| 410 } | |
| 411 } | |
| 412 | |
| 413 STEP(30, "(printing current thread and pid)") | |
| 414 | |
| 415 // process id, thread id | |
| 416 st->print(", pid=%d", os::current_process_id()); | |
| 417 st->print(", tid=" UINTX_FORMAT, os::current_thread_id()); | |
| 418 st->cr(); | |
| 419 | |
| 420 STEP(40, "(printing error message)") | |
| 421 | |
|
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422 if (should_report_bug(_id)) { // already printed the message. |
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423 // error message |
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424 if (_detail_msg) { |
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425 st->print_cr("# %s: %s", _message ? _message : "Error", _detail_msg); |
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426 } else if (_message) { |
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427 st->print_cr("# Error: %s", _message); |
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428 } |
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429 } |
| 0 | 430 |
| 431 STEP(50, "(printing Java version string)") | |
| 432 | |
| 433 // VM version | |
| 434 st->print_cr("#"); | |
|
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435 JDK_Version::current().to_string(buf, sizeof(buf)); |
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436 st->print_cr("# JRE version: %s", buf); |
|
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437 st->print_cr("# Java VM: %s (%s %s %s %s)", |
| 0 | 438 Abstract_VM_Version::vm_name(), |
| 439 Abstract_VM_Version::vm_release(), | |
| 440 Abstract_VM_Version::vm_info_string(), | |
|
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441 Abstract_VM_Version::vm_platform_string(), |
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442 UseCompressedOops ? "compressed oops" : "" |
| 0 | 443 ); |
| 444 | |
| 445 STEP(60, "(printing problematic frame)") | |
| 446 | |
| 447 // Print current frame if we have a context (i.e. it's a crash) | |
| 448 if (_context) { | |
| 449 st->print_cr("# Problematic frame:"); | |
| 450 st->print("# "); | |
| 451 frame fr = os::fetch_frame_from_context(_context); | |
| 452 fr.print_on_error(st, buf, sizeof(buf)); | |
| 453 st->cr(); | |
| 454 st->print_cr("#"); | |
| 455 } | |
| 456 | |
| 457 STEP(65, "(printing bug submit message)") | |
| 458 | |
|
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459 if (should_report_bug(_id) && _verbose) { |
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460 print_bug_submit_message(st, _thread); |
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461 } |
| 0 | 462 |
| 463 STEP(70, "(printing thread)" ) | |
| 464 | |
| 465 if (_verbose) { | |
| 466 st->cr(); | |
| 467 st->print_cr("--------------- T H R E A D ---------------"); | |
| 468 st->cr(); | |
| 469 } | |
| 470 | |
| 471 STEP(80, "(printing current thread)" ) | |
| 472 | |
| 473 // current thread | |
| 474 if (_verbose) { | |
| 475 if (_thread) { | |
| 476 st->print("Current thread (" PTR_FORMAT "): ", _thread); | |
| 477 _thread->print_on_error(st, buf, sizeof(buf)); | |
| 478 st->cr(); | |
| 479 } else { | |
| 480 st->print_cr("Current thread is native thread"); | |
| 481 } | |
| 482 st->cr(); | |
| 483 } | |
| 484 | |
| 485 STEP(90, "(printing siginfo)" ) | |
| 486 | |
| 487 // signal no, signal code, address that caused the fault | |
| 488 if (_verbose && _siginfo) { | |
| 489 os::print_siginfo(st, _siginfo); | |
| 490 st->cr(); | |
| 491 } | |
| 492 | |
| 493 STEP(100, "(printing registers, top of stack, instructions near pc)") | |
| 494 | |
| 495 // registers, top of stack, instructions near pc | |
| 496 if (_verbose && _context) { | |
| 497 os::print_context(st, _context); | |
| 498 st->cr(); | |
| 499 } | |
| 500 | |
| 1907 | 501 STEP(105, "(printing register info)") |
| 502 | |
| 503 // decode register contents if possible | |
| 504 if (_verbose && _context && Universe::is_fully_initialized()) { | |
| 505 os::print_register_info(st, _context); | |
| 506 st->cr(); | |
| 507 } | |
| 508 | |
| 0 | 509 STEP(110, "(printing stack bounds)" ) |
| 510 | |
| 511 if (_verbose) { | |
| 512 st->print("Stack: "); | |
| 513 | |
| 514 address stack_top; | |
| 515 size_t stack_size; | |
| 516 | |
| 517 if (_thread) { | |
| 518 stack_top = _thread->stack_base(); | |
| 519 stack_size = _thread->stack_size(); | |
| 520 } else { | |
| 521 stack_top = os::current_stack_base(); | |
| 522 stack_size = os::current_stack_size(); | |
| 523 } | |
| 524 | |
| 525 address stack_bottom = stack_top - stack_size; | |
| 526 st->print("[" PTR_FORMAT "," PTR_FORMAT "]", stack_bottom, stack_top); | |
| 527 | |
| 528 frame fr = _context ? os::fetch_frame_from_context(_context) | |
| 529 : os::current_frame(); | |
| 530 | |
| 531 if (fr.sp()) { | |
| 532 st->print(", sp=" PTR_FORMAT, fr.sp()); | |
|
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533 size_t free_stack_size = pointer_delta(fr.sp(), stack_bottom, 1024); |
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|
534 st->print(", free space=" SIZE_FORMAT "k", free_stack_size); |
| 0 | 535 } |
| 536 | |
| 537 st->cr(); | |
| 538 } | |
| 539 | |
| 540 STEP(120, "(printing native stack)" ) | |
| 541 | |
| 542 if (_verbose) { | |
| 543 frame fr = _context ? os::fetch_frame_from_context(_context) | |
| 544 : os::current_frame(); | |
| 545 | |
| 546 // see if it's a valid frame | |
| 547 if (fr.pc()) { | |
| 548 st->print_cr("Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)"); | |
| 549 | |
|
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550 // initialize decoder to decode C frames |
|
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551 Decoder decoder; |
|
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552 |
| 0 | 553 int count = 0; |
| 554 while (count++ < StackPrintLimit) { | |
| 555 fr.print_on_error(st, buf, sizeof(buf)); | |
| 556 st->cr(); | |
| 557 if (os::is_first_C_frame(&fr)) break; | |
| 558 fr = os::get_sender_for_C_frame(&fr); | |
| 559 } | |
| 560 | |
| 561 if (count > StackPrintLimit) { | |
| 562 st->print_cr("...<more frames>..."); | |
| 563 } | |
| 564 | |
| 565 st->cr(); | |
| 566 } | |
| 567 } | |
| 568 | |
| 569 STEP(130, "(printing Java stack)" ) | |
| 570 | |
| 571 if (_verbose && _thread && _thread->is_Java_thread()) { | |
| 1384 | 572 print_stack_trace(st, (JavaThread*)_thread, buf, sizeof(buf)); |
| 0 | 573 } |
| 574 | |
|
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575 STEP(135, "(printing target Java thread stack)" ) |
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576 |
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577 // printing Java thread stack trace if it is involved in GC crash |
| 1907 | 578 if (_verbose && _thread && (_thread->is_Named_thread())) { |
|
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|
579 JavaThread* jt = ((NamedThread *)_thread)->processed_thread(); |
|
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580 if (jt != NULL) { |
|
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|
581 st->print_cr("JavaThread " PTR_FORMAT " (nid = " UINTX_FORMAT ") was being processed", jt, jt->osthread()->thread_id()); |
| 1384 | 582 print_stack_trace(st, jt, buf, sizeof(buf), true); |
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583 } |
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584 } |
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585 |
| 0 | 586 STEP(140, "(printing VM operation)" ) |
| 587 | |
| 588 if (_verbose && _thread && _thread->is_VM_thread()) { | |
| 589 VMThread* t = (VMThread*)_thread; | |
| 590 VM_Operation* op = t->vm_operation(); | |
| 591 if (op) { | |
| 592 op->print_on_error(st); | |
| 593 st->cr(); | |
| 594 st->cr(); | |
| 595 } | |
| 596 } | |
| 597 | |
| 598 STEP(150, "(printing current compile task)" ) | |
| 599 | |
| 600 if (_verbose && _thread && _thread->is_Compiler_thread()) { | |
| 601 CompilerThread* t = (CompilerThread*)_thread; | |
| 602 if (t->task()) { | |
| 603 st->cr(); | |
| 604 st->print_cr("Current CompileTask:"); | |
| 605 t->task()->print_line_on_error(st, buf, sizeof(buf)); | |
| 606 st->cr(); | |
| 607 } | |
| 608 } | |
| 609 | |
| 610 STEP(160, "(printing process)" ) | |
| 611 | |
| 612 if (_verbose) { | |
| 613 st->cr(); | |
| 614 st->print_cr("--------------- P R O C E S S ---------------"); | |
| 615 st->cr(); | |
| 616 } | |
| 617 | |
| 618 STEP(170, "(printing all threads)" ) | |
| 619 | |
| 620 // all threads | |
| 621 if (_verbose && _thread) { | |
| 622 Threads::print_on_error(st, _thread, buf, sizeof(buf)); | |
| 623 st->cr(); | |
| 624 } | |
| 625 | |
| 626 STEP(175, "(printing VM state)" ) | |
| 627 | |
| 628 if (_verbose) { | |
| 629 // Safepoint state | |
| 630 st->print("VM state:"); | |
| 631 | |
| 632 if (SafepointSynchronize::is_synchronizing()) st->print("synchronizing"); | |
| 633 else if (SafepointSynchronize::is_at_safepoint()) st->print("at safepoint"); | |
| 634 else st->print("not at safepoint"); | |
| 635 | |
| 636 // Also see if error occurred during initialization or shutdown | |
| 637 if (!Universe::is_fully_initialized()) { | |
| 638 st->print(" (not fully initialized)"); | |
| 639 } else if (VM_Exit::vm_exited()) { | |
| 640 st->print(" (shutting down)"); | |
| 641 } else { | |
| 642 st->print(" (normal execution)"); | |
| 643 } | |
| 644 st->cr(); | |
| 645 st->cr(); | |
| 646 } | |
| 647 | |
| 648 STEP(180, "(printing owned locks on error)" ) | |
| 649 | |
| 650 // mutexes/monitors that currently have an owner | |
| 651 if (_verbose) { | |
| 652 print_owned_locks_on_error(st); | |
| 653 st->cr(); | |
| 654 } | |
| 655 | |
| 656 STEP(190, "(printing heap information)" ) | |
| 657 | |
| 658 if (_verbose && Universe::is_fully_initialized()) { | |
| 659 // print heap information before vm abort | |
| 660 Universe::print_on(st); | |
| 661 st->cr(); | |
| 662 } | |
| 663 | |
| 1907 | 664 STEP(195, "(printing code cache information)" ) |
| 665 | |
| 666 if (_verbose && Universe::is_fully_initialized()) { | |
| 667 // print code cache information before vm abort | |
| 668 CodeCache::print_bounds(st); | |
| 669 st->cr(); | |
| 670 } | |
| 671 | |
| 0 | 672 STEP(200, "(printing dynamic libraries)" ) |
| 673 | |
| 674 if (_verbose) { | |
| 675 // dynamic libraries, or memory map | |
| 676 os::print_dll_info(st); | |
| 677 st->cr(); | |
| 678 } | |
| 679 | |
| 680 STEP(210, "(printing VM options)" ) | |
| 681 | |
| 682 if (_verbose) { | |
| 683 // VM options | |
| 684 Arguments::print_on(st); | |
| 685 st->cr(); | |
| 686 } | |
| 687 | |
| 688 STEP(220, "(printing environment variables)" ) | |
| 689 | |
| 690 if (_verbose) { | |
| 691 os::print_environment_variables(st, env_list, buf, sizeof(buf)); | |
| 692 st->cr(); | |
| 693 } | |
| 694 | |
| 695 STEP(225, "(printing signal handlers)" ) | |
| 696 | |
| 697 if (_verbose) { | |
| 698 os::print_signal_handlers(st, buf, sizeof(buf)); | |
| 699 st->cr(); | |
| 700 } | |
| 701 | |
| 702 STEP(230, "" ) | |
| 703 | |
| 704 if (_verbose) { | |
| 705 st->cr(); | |
| 706 st->print_cr("--------------- S Y S T E M ---------------"); | |
| 707 st->cr(); | |
| 708 } | |
| 709 | |
| 710 STEP(240, "(printing OS information)" ) | |
| 711 | |
| 712 if (_verbose) { | |
| 713 os::print_os_info(st); | |
| 714 st->cr(); | |
| 715 } | |
| 716 | |
| 717 STEP(250, "(printing CPU info)" ) | |
| 718 if (_verbose) { | |
| 719 os::print_cpu_info(st); | |
| 720 st->cr(); | |
| 721 } | |
| 722 | |
| 723 STEP(260, "(printing memory info)" ) | |
| 724 | |
| 725 if (_verbose) { | |
| 726 os::print_memory_info(st); | |
| 727 st->cr(); | |
| 728 } | |
| 729 | |
| 730 STEP(270, "(printing internal vm info)" ) | |
| 731 | |
| 732 if (_verbose) { | |
| 733 st->print_cr("vm_info: %s", Abstract_VM_Version::internal_vm_info_string()); | |
| 734 st->cr(); | |
| 735 } | |
| 736 | |
| 737 STEP(280, "(printing date and time)" ) | |
| 738 | |
| 739 if (_verbose) { | |
| 740 os::print_date_and_time(st); | |
| 741 st->cr(); | |
| 742 } | |
| 743 | |
| 744 END | |
| 745 | |
| 746 # undef BEGIN | |
| 747 # undef STEP | |
| 748 # undef END | |
| 749 } | |
| 750 | |
|
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751 VMError* volatile VMError::first_error = NULL; |
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752 volatile jlong VMError::first_error_tid = -1; |
| 0 | 753 |
| 754 void VMError::report_and_die() { | |
| 755 // Don't allocate large buffer on stack | |
| 756 static char buffer[O_BUFLEN]; | |
| 757 | |
| 758 // An error could happen before tty is initialized or after it has been | |
| 759 // destroyed. Here we use a very simple unbuffered fdStream for printing. | |
| 760 // Only out.print_raw() and out.print_raw_cr() should be used, as other | |
| 761 // printing methods need to allocate large buffer on stack. To format a | |
| 762 // string, use jio_snprintf() with a static buffer or use staticBufferStream. | |
| 763 static fdStream out(defaultStream::output_fd()); | |
| 764 | |
| 765 // How many errors occurred in error handler when reporting first_error. | |
| 766 static int recursive_error_count; | |
| 767 | |
| 768 // We will first print a brief message to standard out (verbose = false), | |
| 769 // then save detailed information in log file (verbose = true). | |
| 770 static bool out_done = false; // done printing to standard out | |
| 771 static bool log_done = false; // done saving error log | |
| 772 static fdStream log; // error log | |
| 773 | |
| 774 if (SuppressFatalErrorMessage) { | |
| 775 os::abort(); | |
| 776 } | |
| 777 jlong mytid = os::current_thread_id(); | |
| 778 if (first_error == NULL && | |
| 779 Atomic::cmpxchg_ptr(this, &first_error, NULL) == NULL) { | |
| 780 | |
| 781 // first time | |
| 782 first_error_tid = mytid; | |
| 783 set_error_reported(); | |
| 784 | |
| 785 if (ShowMessageBoxOnError) { | |
| 786 show_message_box(buffer, sizeof(buffer)); | |
| 787 | |
| 788 // User has asked JVM to abort. Reset ShowMessageBoxOnError so the | |
| 789 // WatcherThread can kill JVM if the error handler hangs. | |
| 790 ShowMessageBoxOnError = false; | |
| 791 } | |
| 792 | |
| 793 // reset signal handlers or exception filter; make sure recursive crashes | |
| 794 // are handled properly. | |
| 795 reset_signal_handlers(); | |
| 796 | |
| 797 } else { | |
|
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798 // If UseOsErrorReporting we call this for each level of the call stack |
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799 // while searching for the exception handler. Only the first level needs |
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800 // to be reported. |
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801 if (UseOSErrorReporting && log_done) return; |
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802 |
| 0 | 803 // This is not the first error, see if it happened in a different thread |
| 804 // or in the same thread during error reporting. | |
| 805 if (first_error_tid != mytid) { | |
| 806 jio_snprintf(buffer, sizeof(buffer), | |
| 807 "[thread " INT64_FORMAT " also had an error]", | |
| 808 mytid); | |
| 809 out.print_raw_cr(buffer); | |
| 810 | |
| 811 // error reporting is not MT-safe, block current thread | |
| 812 os::infinite_sleep(); | |
| 813 | |
| 814 } else { | |
| 815 if (recursive_error_count++ > 30) { | |
| 816 out.print_raw_cr("[Too many errors, abort]"); | |
| 817 os::die(); | |
| 818 } | |
| 819 | |
| 820 jio_snprintf(buffer, sizeof(buffer), | |
| 821 "[error occurred during error reporting %s, id 0x%x]", | |
| 822 first_error ? first_error->_current_step_info : "", | |
| 823 _id); | |
| 824 if (log.is_open()) { | |
| 825 log.cr(); | |
| 826 log.print_raw_cr(buffer); | |
| 827 log.cr(); | |
| 828 } else { | |
| 829 out.cr(); | |
| 830 out.print_raw_cr(buffer); | |
| 831 out.cr(); | |
| 832 } | |
| 833 } | |
| 834 } | |
| 835 | |
| 836 // print to screen | |
| 837 if (!out_done) { | |
| 838 first_error->_verbose = false; | |
| 839 | |
| 840 staticBufferStream sbs(buffer, sizeof(buffer), &out); | |
| 841 first_error->report(&sbs); | |
| 842 | |
| 843 out_done = true; | |
| 844 | |
| 845 first_error->_current_step = 0; // reset current_step | |
| 846 first_error->_current_step_info = ""; // reset current_step string | |
| 847 } | |
| 848 | |
| 849 // print to error log file | |
| 850 if (!log_done) { | |
| 851 first_error->_verbose = true; | |
| 852 | |
| 853 // see if log file is already open | |
| 854 if (!log.is_open()) { | |
| 855 // open log file | |
| 856 int fd = -1; | |
| 857 | |
| 858 if (ErrorFile != NULL) { | |
| 859 bool copy_ok = | |
| 860 Arguments::copy_expand_pid(ErrorFile, strlen(ErrorFile), buffer, sizeof(buffer)); | |
| 861 if (copy_ok) { | |
| 862 fd = open(buffer, O_WRONLY | O_CREAT | O_TRUNC, 0666); | |
| 863 } | |
| 864 } | |
| 865 | |
| 866 if (fd == -1) { | |
| 867 const char *cwd = os::get_current_directory(buffer, sizeof(buffer)); | |
| 868 size_t len = strlen(cwd); | |
| 869 // either user didn't specify, or the user's location failed, | |
| 870 // so use the default name in the current directory | |
| 871 jio_snprintf(&buffer[len], sizeof(buffer)-len, "%shs_err_pid%u.log", | |
| 872 os::file_separator(), os::current_process_id()); | |
| 873 fd = open(buffer, O_WRONLY | O_CREAT | O_TRUNC, 0666); | |
| 874 } | |
| 875 | |
| 876 if (fd == -1) { | |
| 877 const char * tmpdir = os::get_temp_directory(); | |
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878 // try temp directory if it exists. |
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879 if (tmpdir != NULL && tmpdir[0] != '\0') { |
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880 jio_snprintf(buffer, sizeof(buffer), "%s%shs_err_pid%u.log", |
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881 tmpdir, os::file_separator(), os::current_process_id()); |
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882 fd = open(buffer, O_WRONLY | O_CREAT | O_TRUNC, 0666); |
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883 } |
| 0 | 884 } |
| 885 | |
| 886 if (fd != -1) { | |
| 887 out.print_raw("# An error report file with more information is saved as:\n# "); | |
| 888 out.print_raw_cr(buffer); | |
| 889 os::set_error_file(buffer); | |
| 890 | |
| 891 log.set_fd(fd); | |
| 892 } else { | |
| 893 out.print_raw_cr("# Can not save log file, dump to screen.."); | |
| 894 log.set_fd(defaultStream::output_fd()); | |
| 895 } | |
| 896 } | |
| 897 | |
| 898 staticBufferStream sbs(buffer, O_BUFLEN, &log); | |
| 899 first_error->report(&sbs); | |
| 900 first_error->_current_step = 0; // reset current_step | |
| 901 first_error->_current_step_info = ""; // reset current_step string | |
| 902 | |
| 903 if (log.fd() != defaultStream::output_fd()) { | |
| 904 close(log.fd()); | |
| 905 } | |
| 906 | |
| 907 log.set_fd(-1); | |
| 908 log_done = true; | |
| 909 } | |
| 910 | |
| 911 | |
| 912 static bool skip_OnError = false; | |
| 913 if (!skip_OnError && OnError && OnError[0]) { | |
| 914 skip_OnError = true; | |
| 915 | |
| 916 out.print_raw_cr("#"); | |
| 917 out.print_raw ("# -XX:OnError=\""); | |
| 918 out.print_raw (OnError); | |
| 919 out.print_raw_cr("\""); | |
| 920 | |
| 921 char* cmd; | |
| 922 const char* ptr = OnError; | |
| 923 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ | |
| 924 out.print_raw ("# Executing "); | |
| 925 #if defined(LINUX) | |
| 926 out.print_raw ("/bin/sh -c "); | |
| 927 #elif defined(SOLARIS) | |
| 928 out.print_raw ("/usr/bin/sh -c "); | |
| 929 #endif | |
| 930 out.print_raw ("\""); | |
| 931 out.print_raw (cmd); | |
| 932 out.print_raw_cr("\" ..."); | |
| 933 | |
| 934 os::fork_and_exec(cmd); | |
| 935 } | |
| 936 | |
| 937 // done with OnError | |
| 938 OnError = NULL; | |
| 939 } | |
| 940 | |
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941 static bool skip_bug_url = !should_report_bug(first_error->_id); |
| 0 | 942 if (!skip_bug_url) { |
| 943 skip_bug_url = true; | |
| 944 | |
| 945 out.print_raw_cr("#"); | |
| 946 print_bug_submit_message(&out, _thread); | |
| 947 } | |
| 948 | |
| 949 if (!UseOSErrorReporting) { | |
| 950 // os::abort() will call abort hooks, try it first. | |
| 951 static bool skip_os_abort = false; | |
| 952 if (!skip_os_abort) { | |
| 953 skip_os_abort = true; | |
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954 bool dump_core = should_report_bug(first_error->_id); |
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955 os::abort(dump_core); |
| 0 | 956 } |
| 957 | |
| 958 // if os::abort() doesn't abort, try os::die(); | |
| 959 os::die(); | |
| 960 } | |
| 961 } | |
| 962 | |
| 963 /* | |
| 964 * OnOutOfMemoryError scripts/commands executed while VM is a safepoint - this | |
| 965 * ensures utilities such as jmap can observe the process is a consistent state. | |
| 966 */ | |
| 967 class VM_ReportJavaOutOfMemory : public VM_Operation { | |
| 968 private: | |
| 969 VMError *_err; | |
| 970 public: | |
| 971 VM_ReportJavaOutOfMemory(VMError *err) { _err = err; } | |
| 972 VMOp_Type type() const { return VMOp_ReportJavaOutOfMemory; } | |
| 973 void doit(); | |
| 974 }; | |
| 975 | |
| 976 void VM_ReportJavaOutOfMemory::doit() { | |
| 977 // Don't allocate large buffer on stack | |
| 978 static char buffer[O_BUFLEN]; | |
| 979 | |
| 980 tty->print_cr("#"); | |
| 981 tty->print_cr("# java.lang.OutOfMemoryError: %s", _err->message()); | |
| 982 tty->print_cr("# -XX:OnOutOfMemoryError=\"%s\"", OnOutOfMemoryError); | |
| 983 | |
| 984 // make heap parsability | |
| 985 Universe::heap()->ensure_parsability(false); // no need to retire TLABs | |
| 986 | |
| 987 char* cmd; | |
| 988 const char* ptr = OnOutOfMemoryError; | |
| 989 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ | |
| 990 tty->print("# Executing "); | |
| 991 #if defined(LINUX) | |
| 992 tty->print ("/bin/sh -c "); | |
| 993 #elif defined(SOLARIS) | |
| 994 tty->print ("/usr/bin/sh -c "); | |
| 995 #endif | |
| 996 tty->print_cr("\"%s\"...", cmd); | |
| 997 | |
| 998 os::fork_and_exec(cmd); | |
| 999 } | |
| 1000 } | |
| 1001 | |
| 1002 void VMError::report_java_out_of_memory() { | |
| 1003 if (OnOutOfMemoryError && OnOutOfMemoryError[0]) { | |
| 1004 MutexLocker ml(Heap_lock); | |
| 1005 VM_ReportJavaOutOfMemory op(this); | |
| 1006 VMThread::execute(&op); | |
| 1007 } | |
| 1008 } |