Mercurial > hg > truffle
annotate src/share/vm/utilities/vmError.cpp @ 113:ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv
Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
| author | coleenp |
|---|---|
| date | Sun, 13 Apr 2008 17:43:42 -0400 |
| parents | 31d829b33f26 |
| children | d1605aabd0a1 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved. | |
| 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 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 # include "incls/_precompiled.incl" | |
| 26 # include "incls/_vmError.cpp.incl" | |
| 27 | |
| 28 // List of environment variables that should be reported in error log file. | |
| 29 const char *env_list[] = { | |
| 30 // All platforms | |
| 31 "JAVA_HOME", "JRE_HOME", "JAVA_TOOL_OPTIONS", "_JAVA_OPTIONS", "CLASSPATH", | |
| 32 "JAVA_COMPILER", "PATH", "USERNAME", | |
| 33 | |
| 34 // Env variables that are defined on Solaris/Linux | |
| 35 "LD_LIBRARY_PATH", "LD_PRELOAD", "SHELL", "DISPLAY", | |
| 36 "HOSTTYPE", "OSTYPE", "ARCH", "MACHTYPE", | |
| 37 | |
| 38 // defined on Linux | |
| 39 "LD_ASSUME_KERNEL", "_JAVA_SR_SIGNUM", | |
| 40 | |
| 41 // defined on Windows | |
| 42 "OS", "PROCESSOR_IDENTIFIER", "_ALT_JAVA_HOME_DIR", | |
| 43 | |
| 44 (const char *)0 | |
| 45 }; | |
| 46 | |
| 47 // Fatal error handler for internal errors and crashes. | |
| 48 // | |
| 49 // The default behavior of fatal error handler is to print a brief message | |
| 50 // to standard out (defaultStream::output_fd()), then save detailed information | |
| 51 // into an error report file (hs_err_pid<pid>.log) and abort VM. If multiple | |
| 52 // threads are having troubles at the same time, only one error is reported. | |
| 53 // The thread that is reporting error will abort VM when it is done, all other | |
| 54 // threads are blocked forever inside report_and_die(). | |
| 55 | |
| 56 // Constructor for crashes | |
| 57 VMError::VMError(Thread* thread, int sig, address pc, void* siginfo, void* context) { | |
| 58 _thread = thread; | |
| 59 _id = sig; | |
| 60 _pc = pc; | |
| 61 _siginfo = siginfo; | |
| 62 _context = context; | |
| 63 | |
| 64 _verbose = false; | |
| 65 _current_step = 0; | |
| 66 _current_step_info = NULL; | |
| 67 | |
| 68 _message = ""; | |
| 69 _filename = NULL; | |
| 70 _lineno = 0; | |
| 71 | |
| 72 _size = 0; | |
| 73 } | |
| 74 | |
| 75 // Constructor for internal errors | |
| 76 VMError::VMError(Thread* thread, const char* message, const char* filename, int lineno) { | |
| 77 _thread = thread; | |
| 78 _id = internal_error; // set it to a value that's not an OS exception/signal | |
| 79 _filename = filename; | |
| 80 _lineno = lineno; | |
| 81 _message = message; | |
| 82 | |
| 83 _verbose = false; | |
| 84 _current_step = 0; | |
| 85 _current_step_info = NULL; | |
| 86 | |
| 87 _pc = NULL; | |
| 88 _siginfo = NULL; | |
| 89 _context = NULL; | |
| 90 | |
| 91 _size = 0; | |
| 92 } | |
| 93 | |
| 94 // Constructor for OOM errors | |
| 95 VMError::VMError(Thread* thread, size_t size, const char* message, const char* filename, int lineno) { | |
| 96 _thread = thread; | |
| 97 _id = oom_error; // set it to a value that's not an OS exception/signal | |
| 98 _filename = filename; | |
| 99 _lineno = lineno; | |
| 100 _message = message; | |
| 101 | |
| 102 _verbose = false; | |
| 103 _current_step = 0; | |
| 104 _current_step_info = NULL; | |
| 105 | |
| 106 _pc = NULL; | |
| 107 _siginfo = NULL; | |
| 108 _context = NULL; | |
| 109 | |
| 110 _size = size; | |
| 111 } | |
| 112 | |
| 113 | |
| 114 // Constructor for non-fatal errors | |
| 115 VMError::VMError(const char* message) { | |
| 116 _thread = NULL; | |
| 117 _id = internal_error; // set it to a value that's not an OS exception/signal | |
| 118 _filename = NULL; | |
| 119 _lineno = 0; | |
| 120 _message = message; | |
| 121 | |
| 122 _verbose = false; | |
| 123 _current_step = 0; | |
| 124 _current_step_info = NULL; | |
| 125 | |
| 126 _pc = NULL; | |
| 127 _siginfo = NULL; | |
| 128 _context = NULL; | |
| 129 | |
| 130 _size = 0; | |
| 131 } | |
| 132 | |
| 133 // -XX:OnError=<string>, where <string> can be a list of commands, separated | |
| 134 // by ';'. "%p" is replaced by current process id (pid); "%%" is replaced by | |
| 135 // a single "%". Some examples: | |
| 136 // | |
| 137 // -XX:OnError="pmap %p" // show memory map | |
| 138 // -XX:OnError="gcore %p; dbx - %p" // dump core and launch debugger | |
| 139 // -XX:OnError="cat hs_err_pid%p.log | mail my_email@sun.com" | |
| 140 // -XX:OnError="kill -9 %p" // ?#!@# | |
| 141 | |
| 142 // A simple parser for -XX:OnError, usage: | |
| 143 // ptr = OnError; | |
| 144 // while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr) != NULL) | |
| 145 // ... ... | |
| 146 static char* next_OnError_command(char* buf, int buflen, const char** ptr) { | |
| 147 if (ptr == NULL || *ptr == NULL) return NULL; | |
| 148 | |
| 149 const char* cmd = *ptr; | |
| 150 | |
| 151 // skip leading blanks or ';' | |
| 152 while (*cmd == ' ' || *cmd == ';') cmd++; | |
| 153 | |
| 154 if (*cmd == '\0') return NULL; | |
| 155 | |
| 156 const char * cmdend = cmd; | |
| 157 while (*cmdend != '\0' && *cmdend != ';') cmdend++; | |
| 158 | |
| 159 Arguments::copy_expand_pid(cmd, cmdend - cmd, buf, buflen); | |
| 160 | |
| 161 *ptr = (*cmdend == '\0' ? cmdend : cmdend + 1); | |
| 162 return buf; | |
| 163 } | |
| 164 | |
| 165 | |
| 166 static void print_bug_submit_message(outputStream *out, Thread *thread) { | |
| 167 if (out == NULL) return; | |
| 168 out->print_raw_cr("# If you would like to submit a bug report, please visit:"); | |
| 169 out->print_raw ("# "); | |
| 170 out->print_raw_cr(Arguments::java_vendor_url_bug()); | |
| 171 // If the crash is in native code, encourage user to submit a bug to the | |
| 172 // provider of that code. | |
|
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173 if (thread && thread->is_Java_thread() && |
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174 !thread->is_hidden_from_external_view()) { |
| 0 | 175 JavaThread* jt = (JavaThread*)thread; |
| 176 if (jt->thread_state() == _thread_in_native) { | |
| 177 out->print_cr("# The crash happened outside the Java Virtual Machine in native code.\n# See problematic frame for where to report the bug."); | |
| 178 } | |
| 179 } | |
| 180 out->print_raw_cr("#"); | |
| 181 } | |
| 182 | |
| 183 | |
| 184 // Return a string to describe the error | |
| 185 char* VMError::error_string(char* buf, int buflen) { | |
| 186 char signame_buf[64]; | |
| 187 const char *signame = os::exception_name(_id, signame_buf, sizeof(signame_buf)); | |
| 188 | |
| 189 if (signame) { | |
| 190 jio_snprintf(buf, buflen, | |
| 191 "%s (0x%x) at pc=" PTR_FORMAT ", pid=%d, tid=" UINTX_FORMAT, | |
| 192 signame, _id, _pc, | |
| 193 os::current_process_id(), os::current_thread_id()); | |
| 194 } else { | |
| 195 if (_filename != NULL && _lineno > 0) { | |
| 196 // skip directory names | |
| 197 char separator = os::file_separator()[0]; | |
| 198 const char *p = strrchr(_filename, separator); | |
| 199 | |
| 200 jio_snprintf(buf, buflen, | |
| 201 "Internal Error at %s:%d, pid=%d, tid=" UINTX_FORMAT " \nError: %s", | |
| 202 p ? p + 1 : _filename, _lineno, | |
| 203 os::current_process_id(), os::current_thread_id(), | |
| 204 _message ? _message : ""); | |
| 205 } else { | |
| 206 jio_snprintf(buf, buflen, | |
| 207 "Internal Error (0x%x), pid=%d, tid=" UINTX_FORMAT, | |
| 208 _id, os::current_process_id(), os::current_thread_id()); | |
| 209 } | |
| 210 } | |
| 211 | |
| 212 return buf; | |
| 213 } | |
| 214 | |
| 215 | |
| 216 // This is the main function to report a fatal error. Only one thread can | |
| 217 // call this function, so we don't need to worry about MT-safety. But it's | |
| 218 // possible that the error handler itself may crash or die on an internal | |
| 219 // error, for example, when the stack/heap is badly damaged. We must be | |
| 220 // able to handle recursive errors that happen inside error handler. | |
| 221 // | |
| 222 // Error reporting is done in several steps. If a crash or internal error | |
| 223 // occurred when reporting an error, the nested signal/exception handler | |
| 224 // can skip steps that are already (or partially) done. Error reporting will | |
| 225 // continue from the next step. This allows us to retrieve and print | |
| 226 // information that may be unsafe to get after a fatal error. If it happens, | |
| 227 // you may find nested report_and_die() frames when you look at the stack | |
| 228 // in a debugger. | |
| 229 // | |
| 230 // In general, a hang in error handler is much worse than a crash or internal | |
| 231 // error, as it's harder to recover from a hang. Deadlock can happen if we | |
| 232 // try to grab a lock that is already owned by current thread, or if the | |
| 233 // owner is blocked forever (e.g. in os::infinite_sleep()). If possible, the | |
| 234 // error handler and all the functions it called should avoid grabbing any | |
| 235 // lock. An important thing to notice is that memory allocation needs a lock. | |
| 236 // | |
| 237 // We should avoid using large stack allocated buffers. Many errors happen | |
| 238 // when stack space is already low. Making things even worse is that there | |
| 239 // could be nested report_and_die() calls on stack (see above). Only one | |
| 240 // thread can report error, so large buffers are statically allocated in data | |
| 241 // segment. | |
| 242 | |
| 243 void VMError::report(outputStream* st) { | |
| 244 # define BEGIN if (_current_step == 0) { _current_step = 1; | |
| 245 # define STEP(n, s) } if (_current_step < n) { _current_step = n; _current_step_info = s; | |
| 246 # define END } | |
| 247 | |
| 248 // don't allocate large buffer on stack | |
| 249 static char buf[O_BUFLEN]; | |
| 250 | |
| 251 BEGIN | |
| 252 | |
|
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253 STEP(10, "(printing fatal error message)") |
| 0 | 254 |
| 255 st->print_cr("#"); | |
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256 st->print_cr("# A fatal error has been detected by the Java Runtime Environment:"); |
| 0 | 257 |
| 258 STEP(15, "(printing type of error)") | |
| 259 | |
| 260 switch(_id) { | |
| 261 case oom_error: | |
| 262 st->print_cr("#"); | |
| 263 st->print("# java.lang.OutOfMemoryError: "); | |
| 264 if (_size) { | |
| 265 st->print("requested "); | |
| 266 sprintf(buf,"%d",_size); | |
| 267 st->print(buf); | |
| 268 st->print(" bytes"); | |
| 269 if (_message != NULL) { | |
| 270 st->print(" for "); | |
| 271 st->print(_message); | |
| 272 } | |
| 273 st->print_cr(". Out of swap space?"); | |
| 274 } else { | |
| 275 if (_message != NULL) | |
| 276 st->print_cr(_message); | |
| 277 } | |
| 278 break; | |
| 279 case internal_error: | |
| 280 default: | |
| 281 break; | |
| 282 } | |
| 283 | |
| 284 STEP(20, "(printing exception/signal name)") | |
| 285 | |
| 286 st->print_cr("#"); | |
| 287 st->print("# "); | |
| 288 // Is it an OS exception/signal? | |
| 289 if (os::exception_name(_id, buf, sizeof(buf))) { | |
| 290 st->print("%s", buf); | |
| 291 st->print(" (0x%x)", _id); // signal number | |
| 292 st->print(" at pc=" PTR_FORMAT, _pc); | |
| 293 } else { | |
| 294 st->print("Internal Error"); | |
| 295 if (_filename != NULL && _lineno > 0) { | |
| 296 #ifdef PRODUCT | |
| 297 // In product mode chop off pathname? | |
| 298 char separator = os::file_separator()[0]; | |
| 299 const char *p = strrchr(_filename, separator); | |
| 300 const char *file = p ? p+1 : _filename; | |
| 301 #else | |
| 302 const char *file = _filename; | |
| 303 #endif | |
| 304 size_t len = strlen(file); | |
| 305 size_t buflen = sizeof(buf); | |
| 306 | |
| 307 strncpy(buf, file, buflen); | |
| 308 if (len + 10 < buflen) { | |
| 309 sprintf(buf + len, ":" SIZE_FORMAT, _lineno); | |
| 310 } | |
| 311 st->print(" (%s)", buf); | |
| 312 } else { | |
| 313 st->print(" (0x%x)", _id); | |
| 314 } | |
| 315 } | |
| 316 | |
| 317 STEP(30, "(printing current thread and pid)") | |
| 318 | |
| 319 // process id, thread id | |
| 320 st->print(", pid=%d", os::current_process_id()); | |
| 321 st->print(", tid=" UINTX_FORMAT, os::current_thread_id()); | |
| 322 st->cr(); | |
| 323 | |
| 324 STEP(40, "(printing error message)") | |
| 325 | |
| 326 // error message | |
| 327 if (_message && _message[0] != '\0') { | |
| 328 st->print_cr("# Error: %s", _message); | |
| 329 } | |
| 330 | |
| 331 STEP(50, "(printing Java version string)") | |
| 332 | |
| 333 // VM version | |
| 334 st->print_cr("#"); | |
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335 st->print_cr("# Java VM: %s (%s %s %s %s)", |
| 0 | 336 Abstract_VM_Version::vm_name(), |
| 337 Abstract_VM_Version::vm_release(), | |
| 338 Abstract_VM_Version::vm_info_string(), | |
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339 Abstract_VM_Version::vm_platform_string(), |
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340 UseCompressedOops ? "compressed oops" : "" |
| 0 | 341 ); |
| 342 | |
| 343 STEP(60, "(printing problematic frame)") | |
| 344 | |
| 345 // Print current frame if we have a context (i.e. it's a crash) | |
| 346 if (_context) { | |
| 347 st->print_cr("# Problematic frame:"); | |
| 348 st->print("# "); | |
| 349 frame fr = os::fetch_frame_from_context(_context); | |
| 350 fr.print_on_error(st, buf, sizeof(buf)); | |
| 351 st->cr(); | |
| 352 st->print_cr("#"); | |
| 353 } | |
| 354 | |
| 355 STEP(65, "(printing bug submit message)") | |
| 356 | |
| 357 if (_verbose) print_bug_submit_message(st, _thread); | |
| 358 | |
| 359 STEP(70, "(printing thread)" ) | |
| 360 | |
| 361 if (_verbose) { | |
| 362 st->cr(); | |
| 363 st->print_cr("--------------- T H R E A D ---------------"); | |
| 364 st->cr(); | |
| 365 } | |
| 366 | |
| 367 STEP(80, "(printing current thread)" ) | |
| 368 | |
| 369 // current thread | |
| 370 if (_verbose) { | |
| 371 if (_thread) { | |
| 372 st->print("Current thread (" PTR_FORMAT "): ", _thread); | |
| 373 _thread->print_on_error(st, buf, sizeof(buf)); | |
| 374 st->cr(); | |
| 375 } else { | |
| 376 st->print_cr("Current thread is native thread"); | |
| 377 } | |
| 378 st->cr(); | |
| 379 } | |
| 380 | |
| 381 STEP(90, "(printing siginfo)" ) | |
| 382 | |
| 383 // signal no, signal code, address that caused the fault | |
| 384 if (_verbose && _siginfo) { | |
| 385 os::print_siginfo(st, _siginfo); | |
| 386 st->cr(); | |
| 387 } | |
| 388 | |
| 389 STEP(100, "(printing registers, top of stack, instructions near pc)") | |
| 390 | |
| 391 // registers, top of stack, instructions near pc | |
| 392 if (_verbose && _context) { | |
| 393 os::print_context(st, _context); | |
| 394 st->cr(); | |
| 395 } | |
| 396 | |
| 397 STEP(110, "(printing stack bounds)" ) | |
| 398 | |
| 399 if (_verbose) { | |
| 400 st->print("Stack: "); | |
| 401 | |
| 402 address stack_top; | |
| 403 size_t stack_size; | |
| 404 | |
| 405 if (_thread) { | |
| 406 stack_top = _thread->stack_base(); | |
| 407 stack_size = _thread->stack_size(); | |
| 408 } else { | |
| 409 stack_top = os::current_stack_base(); | |
| 410 stack_size = os::current_stack_size(); | |
| 411 } | |
| 412 | |
| 413 address stack_bottom = stack_top - stack_size; | |
| 414 st->print("[" PTR_FORMAT "," PTR_FORMAT "]", stack_bottom, stack_top); | |
| 415 | |
| 416 frame fr = _context ? os::fetch_frame_from_context(_context) | |
| 417 : os::current_frame(); | |
| 418 | |
| 419 if (fr.sp()) { | |
| 420 st->print(", sp=" PTR_FORMAT, fr.sp()); | |
| 421 st->print(", free space=%dk", | |
| 422 ((intptr_t)fr.sp() - (intptr_t)stack_bottom) >> 10); | |
| 423 } | |
| 424 | |
| 425 st->cr(); | |
| 426 } | |
| 427 | |
| 428 STEP(120, "(printing native stack)" ) | |
| 429 | |
| 430 if (_verbose) { | |
| 431 frame fr = _context ? os::fetch_frame_from_context(_context) | |
| 432 : os::current_frame(); | |
| 433 | |
| 434 // see if it's a valid frame | |
| 435 if (fr.pc()) { | |
| 436 st->print_cr("Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)"); | |
| 437 | |
| 438 int count = 0; | |
| 439 | |
| 440 while (count++ < StackPrintLimit) { | |
| 441 fr.print_on_error(st, buf, sizeof(buf)); | |
| 442 st->cr(); | |
| 443 if (os::is_first_C_frame(&fr)) break; | |
| 444 fr = os::get_sender_for_C_frame(&fr); | |
| 445 } | |
| 446 | |
| 447 if (count > StackPrintLimit) { | |
| 448 st->print_cr("...<more frames>..."); | |
| 449 } | |
| 450 | |
| 451 st->cr(); | |
| 452 } | |
| 453 } | |
| 454 | |
| 455 STEP(130, "(printing Java stack)" ) | |
| 456 | |
| 457 if (_verbose && _thread && _thread->is_Java_thread()) { | |
| 458 JavaThread* jt = (JavaThread*)_thread; | |
| 459 if (jt->has_last_Java_frame()) { | |
| 460 st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)"); | |
| 461 for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) { | |
| 462 sfs.current()->print_on_error(st, buf, sizeof(buf)); | |
| 463 st->cr(); | |
| 464 } | |
| 465 } | |
| 466 } | |
| 467 | |
| 468 STEP(140, "(printing VM operation)" ) | |
| 469 | |
| 470 if (_verbose && _thread && _thread->is_VM_thread()) { | |
| 471 VMThread* t = (VMThread*)_thread; | |
| 472 VM_Operation* op = t->vm_operation(); | |
| 473 if (op) { | |
| 474 op->print_on_error(st); | |
| 475 st->cr(); | |
| 476 st->cr(); | |
| 477 } | |
| 478 } | |
| 479 | |
| 480 STEP(150, "(printing current compile task)" ) | |
| 481 | |
| 482 if (_verbose && _thread && _thread->is_Compiler_thread()) { | |
| 483 CompilerThread* t = (CompilerThread*)_thread; | |
| 484 if (t->task()) { | |
| 485 st->cr(); | |
| 486 st->print_cr("Current CompileTask:"); | |
| 487 t->task()->print_line_on_error(st, buf, sizeof(buf)); | |
| 488 st->cr(); | |
| 489 } | |
| 490 } | |
| 491 | |
| 492 STEP(160, "(printing process)" ) | |
| 493 | |
| 494 if (_verbose) { | |
| 495 st->cr(); | |
| 496 st->print_cr("--------------- P R O C E S S ---------------"); | |
| 497 st->cr(); | |
| 498 } | |
| 499 | |
| 500 STEP(170, "(printing all threads)" ) | |
| 501 | |
| 502 // all threads | |
| 503 if (_verbose && _thread) { | |
| 504 Threads::print_on_error(st, _thread, buf, sizeof(buf)); | |
| 505 st->cr(); | |
| 506 } | |
| 507 | |
| 508 STEP(175, "(printing VM state)" ) | |
| 509 | |
| 510 if (_verbose) { | |
| 511 // Safepoint state | |
| 512 st->print("VM state:"); | |
| 513 | |
| 514 if (SafepointSynchronize::is_synchronizing()) st->print("synchronizing"); | |
| 515 else if (SafepointSynchronize::is_at_safepoint()) st->print("at safepoint"); | |
| 516 else st->print("not at safepoint"); | |
| 517 | |
| 518 // Also see if error occurred during initialization or shutdown | |
| 519 if (!Universe::is_fully_initialized()) { | |
| 520 st->print(" (not fully initialized)"); | |
| 521 } else if (VM_Exit::vm_exited()) { | |
| 522 st->print(" (shutting down)"); | |
| 523 } else { | |
| 524 st->print(" (normal execution)"); | |
| 525 } | |
| 526 st->cr(); | |
| 527 st->cr(); | |
| 528 } | |
| 529 | |
| 530 STEP(180, "(printing owned locks on error)" ) | |
| 531 | |
| 532 // mutexes/monitors that currently have an owner | |
| 533 if (_verbose) { | |
| 534 print_owned_locks_on_error(st); | |
| 535 st->cr(); | |
| 536 } | |
| 537 | |
| 538 STEP(190, "(printing heap information)" ) | |
| 539 | |
| 540 if (_verbose && Universe::is_fully_initialized()) { | |
| 541 // print heap information before vm abort | |
| 542 Universe::print_on(st); | |
| 543 st->cr(); | |
| 544 } | |
| 545 | |
| 546 STEP(200, "(printing dynamic libraries)" ) | |
| 547 | |
| 548 if (_verbose) { | |
| 549 // dynamic libraries, or memory map | |
| 550 os::print_dll_info(st); | |
| 551 st->cr(); | |
| 552 } | |
| 553 | |
| 554 STEP(210, "(printing VM options)" ) | |
| 555 | |
| 556 if (_verbose) { | |
| 557 // VM options | |
| 558 Arguments::print_on(st); | |
| 559 st->cr(); | |
| 560 } | |
| 561 | |
| 562 STEP(220, "(printing environment variables)" ) | |
| 563 | |
| 564 if (_verbose) { | |
| 565 os::print_environment_variables(st, env_list, buf, sizeof(buf)); | |
| 566 st->cr(); | |
| 567 } | |
| 568 | |
| 569 STEP(225, "(printing signal handlers)" ) | |
| 570 | |
| 571 if (_verbose) { | |
| 572 os::print_signal_handlers(st, buf, sizeof(buf)); | |
| 573 st->cr(); | |
| 574 } | |
| 575 | |
| 576 STEP(230, "" ) | |
| 577 | |
| 578 if (_verbose) { | |
| 579 st->cr(); | |
| 580 st->print_cr("--------------- S Y S T E M ---------------"); | |
| 581 st->cr(); | |
| 582 } | |
| 583 | |
| 584 STEP(240, "(printing OS information)" ) | |
| 585 | |
| 586 if (_verbose) { | |
| 587 os::print_os_info(st); | |
| 588 st->cr(); | |
| 589 } | |
| 590 | |
| 591 STEP(250, "(printing CPU info)" ) | |
| 592 if (_verbose) { | |
| 593 os::print_cpu_info(st); | |
| 594 st->cr(); | |
| 595 } | |
| 596 | |
| 597 STEP(260, "(printing memory info)" ) | |
| 598 | |
| 599 if (_verbose) { | |
| 600 os::print_memory_info(st); | |
| 601 st->cr(); | |
| 602 } | |
| 603 | |
| 604 STEP(270, "(printing internal vm info)" ) | |
| 605 | |
| 606 if (_verbose) { | |
| 607 st->print_cr("vm_info: %s", Abstract_VM_Version::internal_vm_info_string()); | |
| 608 st->cr(); | |
| 609 } | |
| 610 | |
| 611 STEP(280, "(printing date and time)" ) | |
| 612 | |
| 613 if (_verbose) { | |
| 614 os::print_date_and_time(st); | |
| 615 st->cr(); | |
| 616 } | |
| 617 | |
| 618 END | |
| 619 | |
| 620 # undef BEGIN | |
| 621 # undef STEP | |
| 622 # undef END | |
| 623 } | |
| 624 | |
| 625 | |
| 626 void VMError::report_and_die() { | |
| 627 // Don't allocate large buffer on stack | |
| 628 static char buffer[O_BUFLEN]; | |
| 629 | |
| 630 // First error, and its thread id. We must be able to handle native thread, | |
| 631 // so use thread id instead of Thread* to identify thread. | |
| 632 static VMError* first_error; | |
| 633 static jlong first_error_tid; | |
| 634 | |
| 635 // An error could happen before tty is initialized or after it has been | |
| 636 // destroyed. Here we use a very simple unbuffered fdStream for printing. | |
| 637 // Only out.print_raw() and out.print_raw_cr() should be used, as other | |
| 638 // printing methods need to allocate large buffer on stack. To format a | |
| 639 // string, use jio_snprintf() with a static buffer or use staticBufferStream. | |
| 640 static fdStream out(defaultStream::output_fd()); | |
| 641 | |
| 642 // How many errors occurred in error handler when reporting first_error. | |
| 643 static int recursive_error_count; | |
| 644 | |
| 645 // We will first print a brief message to standard out (verbose = false), | |
| 646 // then save detailed information in log file (verbose = true). | |
| 647 static bool out_done = false; // done printing to standard out | |
| 648 static bool log_done = false; // done saving error log | |
| 649 static fdStream log; // error log | |
| 650 | |
| 651 if (SuppressFatalErrorMessage) { | |
| 652 os::abort(); | |
| 653 } | |
| 654 jlong mytid = os::current_thread_id(); | |
| 655 if (first_error == NULL && | |
| 656 Atomic::cmpxchg_ptr(this, &first_error, NULL) == NULL) { | |
| 657 | |
| 658 // first time | |
| 659 first_error_tid = mytid; | |
| 660 set_error_reported(); | |
| 661 | |
| 662 if (ShowMessageBoxOnError) { | |
| 663 show_message_box(buffer, sizeof(buffer)); | |
| 664 | |
| 665 // User has asked JVM to abort. Reset ShowMessageBoxOnError so the | |
| 666 // WatcherThread can kill JVM if the error handler hangs. | |
| 667 ShowMessageBoxOnError = false; | |
| 668 } | |
| 669 | |
| 670 // reset signal handlers or exception filter; make sure recursive crashes | |
| 671 // are handled properly. | |
| 672 reset_signal_handlers(); | |
| 673 | |
| 674 } else { | |
| 675 // This is not the first error, see if it happened in a different thread | |
| 676 // or in the same thread during error reporting. | |
| 677 if (first_error_tid != mytid) { | |
| 678 jio_snprintf(buffer, sizeof(buffer), | |
| 679 "[thread " INT64_FORMAT " also had an error]", | |
| 680 mytid); | |
| 681 out.print_raw_cr(buffer); | |
| 682 | |
| 683 // error reporting is not MT-safe, block current thread | |
| 684 os::infinite_sleep(); | |
| 685 | |
| 686 } else { | |
| 687 if (recursive_error_count++ > 30) { | |
| 688 out.print_raw_cr("[Too many errors, abort]"); | |
| 689 os::die(); | |
| 690 } | |
| 691 | |
| 692 jio_snprintf(buffer, sizeof(buffer), | |
| 693 "[error occurred during error reporting %s, id 0x%x]", | |
| 694 first_error ? first_error->_current_step_info : "", | |
| 695 _id); | |
| 696 if (log.is_open()) { | |
| 697 log.cr(); | |
| 698 log.print_raw_cr(buffer); | |
| 699 log.cr(); | |
| 700 } else { | |
| 701 out.cr(); | |
| 702 out.print_raw_cr(buffer); | |
| 703 out.cr(); | |
| 704 } | |
| 705 } | |
| 706 } | |
| 707 | |
| 708 // print to screen | |
| 709 if (!out_done) { | |
| 710 first_error->_verbose = false; | |
| 711 | |
| 712 staticBufferStream sbs(buffer, sizeof(buffer), &out); | |
| 713 first_error->report(&sbs); | |
| 714 | |
| 715 out_done = true; | |
| 716 | |
| 717 first_error->_current_step = 0; // reset current_step | |
| 718 first_error->_current_step_info = ""; // reset current_step string | |
| 719 } | |
| 720 | |
| 721 // print to error log file | |
| 722 if (!log_done) { | |
| 723 first_error->_verbose = true; | |
| 724 | |
| 725 // see if log file is already open | |
| 726 if (!log.is_open()) { | |
| 727 // open log file | |
| 728 int fd = -1; | |
| 729 | |
| 730 if (ErrorFile != NULL) { | |
| 731 bool copy_ok = | |
| 732 Arguments::copy_expand_pid(ErrorFile, strlen(ErrorFile), buffer, sizeof(buffer)); | |
| 733 if (copy_ok) { | |
| 734 fd = open(buffer, O_WRONLY | O_CREAT | O_TRUNC, 0666); | |
| 735 } | |
| 736 } | |
| 737 | |
| 738 if (fd == -1) { | |
| 739 const char *cwd = os::get_current_directory(buffer, sizeof(buffer)); | |
| 740 size_t len = strlen(cwd); | |
| 741 // either user didn't specify, or the user's location failed, | |
| 742 // so use the default name in the current directory | |
| 743 jio_snprintf(&buffer[len], sizeof(buffer)-len, "%shs_err_pid%u.log", | |
| 744 os::file_separator(), os::current_process_id()); | |
| 745 fd = open(buffer, O_WRONLY | O_CREAT | O_TRUNC, 0666); | |
| 746 } | |
| 747 | |
| 748 if (fd == -1) { | |
| 749 // try temp directory | |
| 750 const char * tmpdir = os::get_temp_directory(); | |
| 751 jio_snprintf(buffer, sizeof(buffer), "%shs_err_pid%u.log", | |
| 752 (tmpdir ? tmpdir : ""), os::current_process_id()); | |
| 753 fd = open(buffer, O_WRONLY | O_CREAT | O_TRUNC, 0666); | |
| 754 } | |
| 755 | |
| 756 if (fd != -1) { | |
| 757 out.print_raw("# An error report file with more information is saved as:\n# "); | |
| 758 out.print_raw_cr(buffer); | |
| 759 os::set_error_file(buffer); | |
| 760 | |
| 761 log.set_fd(fd); | |
| 762 } else { | |
| 763 out.print_raw_cr("# Can not save log file, dump to screen.."); | |
| 764 log.set_fd(defaultStream::output_fd()); | |
| 765 } | |
| 766 } | |
| 767 | |
| 768 staticBufferStream sbs(buffer, O_BUFLEN, &log); | |
| 769 first_error->report(&sbs); | |
| 770 first_error->_current_step = 0; // reset current_step | |
| 771 first_error->_current_step_info = ""; // reset current_step string | |
| 772 | |
| 773 if (log.fd() != defaultStream::output_fd()) { | |
| 774 close(log.fd()); | |
| 775 } | |
| 776 | |
| 777 log.set_fd(-1); | |
| 778 log_done = true; | |
| 779 } | |
| 780 | |
| 781 | |
| 782 static bool skip_OnError = false; | |
| 783 if (!skip_OnError && OnError && OnError[0]) { | |
| 784 skip_OnError = true; | |
| 785 | |
| 786 out.print_raw_cr("#"); | |
| 787 out.print_raw ("# -XX:OnError=\""); | |
| 788 out.print_raw (OnError); | |
| 789 out.print_raw_cr("\""); | |
| 790 | |
| 791 char* cmd; | |
| 792 const char* ptr = OnError; | |
| 793 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ | |
| 794 out.print_raw ("# Executing "); | |
| 795 #if defined(LINUX) | |
| 796 out.print_raw ("/bin/sh -c "); | |
| 797 #elif defined(SOLARIS) | |
| 798 out.print_raw ("/usr/bin/sh -c "); | |
| 799 #endif | |
| 800 out.print_raw ("\""); | |
| 801 out.print_raw (cmd); | |
| 802 out.print_raw_cr("\" ..."); | |
| 803 | |
| 804 os::fork_and_exec(cmd); | |
| 805 } | |
| 806 | |
| 807 // done with OnError | |
| 808 OnError = NULL; | |
| 809 } | |
| 810 | |
| 811 static bool skip_bug_url = false; | |
| 812 if (!skip_bug_url) { | |
| 813 skip_bug_url = true; | |
| 814 | |
| 815 out.print_raw_cr("#"); | |
| 816 print_bug_submit_message(&out, _thread); | |
| 817 } | |
| 818 | |
| 819 if (!UseOSErrorReporting) { | |
| 820 // os::abort() will call abort hooks, try it first. | |
| 821 static bool skip_os_abort = false; | |
| 822 if (!skip_os_abort) { | |
| 823 skip_os_abort = true; | |
| 824 os::abort(); | |
| 825 } | |
| 826 | |
| 827 // if os::abort() doesn't abort, try os::die(); | |
| 828 os::die(); | |
| 829 } | |
| 830 } | |
| 831 | |
| 832 /* | |
| 833 * OnOutOfMemoryError scripts/commands executed while VM is a safepoint - this | |
| 834 * ensures utilities such as jmap can observe the process is a consistent state. | |
| 835 */ | |
| 836 class VM_ReportJavaOutOfMemory : public VM_Operation { | |
| 837 private: | |
| 838 VMError *_err; | |
| 839 public: | |
| 840 VM_ReportJavaOutOfMemory(VMError *err) { _err = err; } | |
| 841 VMOp_Type type() const { return VMOp_ReportJavaOutOfMemory; } | |
| 842 void doit(); | |
| 843 }; | |
| 844 | |
| 845 void VM_ReportJavaOutOfMemory::doit() { | |
| 846 // Don't allocate large buffer on stack | |
| 847 static char buffer[O_BUFLEN]; | |
| 848 | |
| 849 tty->print_cr("#"); | |
| 850 tty->print_cr("# java.lang.OutOfMemoryError: %s", _err->message()); | |
| 851 tty->print_cr("# -XX:OnOutOfMemoryError=\"%s\"", OnOutOfMemoryError); | |
| 852 | |
| 853 // make heap parsability | |
| 854 Universe::heap()->ensure_parsability(false); // no need to retire TLABs | |
| 855 | |
| 856 char* cmd; | |
| 857 const char* ptr = OnOutOfMemoryError; | |
| 858 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ | |
| 859 tty->print("# Executing "); | |
| 860 #if defined(LINUX) | |
| 861 tty->print ("/bin/sh -c "); | |
| 862 #elif defined(SOLARIS) | |
| 863 tty->print ("/usr/bin/sh -c "); | |
| 864 #endif | |
| 865 tty->print_cr("\"%s\"...", cmd); | |
| 866 | |
| 867 os::fork_and_exec(cmd); | |
| 868 } | |
| 869 } | |
| 870 | |
| 871 void VMError::report_java_out_of_memory() { | |
| 872 if (OnOutOfMemoryError && OnOutOfMemoryError[0]) { | |
| 873 MutexLocker ml(Heap_lock); | |
| 874 VM_ReportJavaOutOfMemory op(this); | |
| 875 VMThread::execute(&op); | |
| 876 } | |
| 877 } |