Mercurial > hg > truffle
annotate src/share/vm/utilities/vmError.cpp @ 1832:22e4420d19f7
Merge
author | kvn |
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date | Wed, 06 Oct 2010 14:18:32 -0700 |
parents | f4f596978298 |
children | 1e9a9d2e6509 |
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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 | |
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 | |
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68 _message = NULL; |
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69 _detail_msg = NULL; |
0 | 70 _filename = NULL; |
71 _lineno = 0; | |
72 | |
73 _size = 0; | |
74 } | |
75 | |
76 // Constructor for internal errors | |
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77 VMError::VMError(Thread* thread, const char* filename, int lineno, |
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78 const char* message, const char * detail_msg) |
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79 { |
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80 _thread = thread; |
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81 _id = internal_error; // Value that's not an OS exception/signal |
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82 _filename = filename; |
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83 _lineno = lineno; |
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84 _message = message; |
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85 _detail_msg = detail_msg; |
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86 |
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87 _verbose = false; |
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88 _current_step = 0; |
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89 _current_step_info = NULL; |
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90 |
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91 _pc = NULL; |
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92 _siginfo = NULL; |
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93 _context = NULL; |
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94 |
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95 _size = 0; |
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96 } |
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97 |
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98 // Constructor for OOM errors |
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99 VMError::VMError(Thread* thread, const char* filename, int lineno, size_t size, |
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100 const char* message) { |
0 | 101 _thread = thread; |
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102 _id = oom_error; // Value that's not an OS exception/signal |
0 | 103 _filename = filename; |
104 _lineno = lineno; | |
105 _message = message; | |
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106 _detail_msg = NULL; |
0 | 107 |
108 _verbose = false; | |
109 _current_step = 0; | |
110 _current_step_info = NULL; | |
111 | |
112 _pc = NULL; | |
113 _siginfo = NULL; | |
114 _context = NULL; | |
115 | |
116 _size = size; | |
117 } | |
118 | |
119 | |
120 // Constructor for non-fatal errors | |
121 VMError::VMError(const char* message) { | |
122 _thread = NULL; | |
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123 _id = internal_error; // Value that's not an OS exception/signal |
0 | 124 _filename = NULL; |
125 _lineno = 0; | |
126 _message = message; | |
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127 _detail_msg = NULL; |
0 | 128 |
129 _verbose = false; | |
130 _current_step = 0; | |
131 _current_step_info = NULL; | |
132 | |
133 _pc = NULL; | |
134 _siginfo = NULL; | |
135 _context = NULL; | |
136 | |
137 _size = 0; | |
138 } | |
139 | |
140 // -XX:OnError=<string>, where <string> can be a list of commands, separated | |
141 // by ';'. "%p" is replaced by current process id (pid); "%%" is replaced by | |
142 // a single "%". Some examples: | |
143 // | |
144 // -XX:OnError="pmap %p" // show memory map | |
145 // -XX:OnError="gcore %p; dbx - %p" // dump core and launch debugger | |
146 // -XX:OnError="cat hs_err_pid%p.log | mail my_email@sun.com" | |
147 // -XX:OnError="kill -9 %p" // ?#!@# | |
148 | |
149 // A simple parser for -XX:OnError, usage: | |
150 // ptr = OnError; | |
151 // while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr) != NULL) | |
152 // ... ... | |
153 static char* next_OnError_command(char* buf, int buflen, const char** ptr) { | |
154 if (ptr == NULL || *ptr == NULL) return NULL; | |
155 | |
156 const char* cmd = *ptr; | |
157 | |
158 // skip leading blanks or ';' | |
159 while (*cmd == ' ' || *cmd == ';') cmd++; | |
160 | |
161 if (*cmd == '\0') return NULL; | |
162 | |
163 const char * cmdend = cmd; | |
164 while (*cmdend != '\0' && *cmdend != ';') cmdend++; | |
165 | |
166 Arguments::copy_expand_pid(cmd, cmdend - cmd, buf, buflen); | |
167 | |
168 *ptr = (*cmdend == '\0' ? cmdend : cmdend + 1); | |
169 return buf; | |
170 } | |
171 | |
172 | |
173 static void print_bug_submit_message(outputStream *out, Thread *thread) { | |
174 if (out == NULL) return; | |
175 out->print_raw_cr("# If you would like to submit a bug report, please visit:"); | |
176 out->print_raw ("# "); | |
177 out->print_raw_cr(Arguments::java_vendor_url_bug()); | |
178 // If the crash is in native code, encourage user to submit a bug to the | |
179 // provider of that code. | |
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180 if (thread && thread->is_Java_thread() && |
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181 !thread->is_hidden_from_external_view()) { |
0 | 182 JavaThread* jt = (JavaThread*)thread; |
183 if (jt->thread_state() == _thread_in_native) { | |
184 out->print_cr("# The crash happened outside the Java Virtual Machine in native code.\n# See problematic frame for where to report the bug."); | |
185 } | |
186 } | |
187 out->print_raw_cr("#"); | |
188 } | |
189 | |
190 | |
191 // Return a string to describe the error | |
192 char* VMError::error_string(char* buf, int buflen) { | |
193 char signame_buf[64]; | |
194 const char *signame = os::exception_name(_id, signame_buf, sizeof(signame_buf)); | |
195 | |
196 if (signame) { | |
197 jio_snprintf(buf, buflen, | |
198 "%s (0x%x) at pc=" PTR_FORMAT ", pid=%d, tid=" UINTX_FORMAT, | |
199 signame, _id, _pc, | |
200 os::current_process_id(), os::current_thread_id()); | |
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201 } else if (_filename != NULL && _lineno > 0) { |
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202 // skip directory names |
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203 char separator = os::file_separator()[0]; |
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204 const char *p = strrchr(_filename, separator); |
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205 int n = jio_snprintf(buf, buflen, |
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206 "Internal Error at %s:%d, pid=%d, tid=" UINTX_FORMAT, |
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207 p ? p + 1 : _filename, _lineno, |
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208 os::current_process_id(), os::current_thread_id()); |
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209 if (n >= 0 && n < buflen && _message) { |
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210 if (_detail_msg) { |
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211 jio_snprintf(buf + n, buflen - n, "%s%s: %s", |
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212 os::line_separator(), _message, _detail_msg); |
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213 } else { |
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214 jio_snprintf(buf + n, buflen - n, "%sError: %s", |
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215 os::line_separator(), _message); |
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216 } |
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217 } |
0 | 218 } else { |
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219 jio_snprintf(buf, buflen, |
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220 "Internal Error (0x%x), pid=%d, tid=" UINTX_FORMAT, |
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221 _id, os::current_process_id(), os::current_thread_id()); |
0 | 222 } |
223 | |
224 return buf; | |
225 } | |
226 | |
1384 | 227 void VMError::print_stack_trace(outputStream* st, JavaThread* jt, |
228 char* buf, int buflen, bool verbose) { | |
229 #ifdef ZERO | |
230 if (jt->zero_stack()->sp() && jt->top_zero_frame()) { | |
231 // StackFrameStream uses the frame anchor, which may not have | |
232 // been set up. This can be done at any time in Zero, however, | |
233 // so if it hasn't been set up then we just set it up now and | |
234 // clear it again when we're done. | |
235 bool has_last_Java_frame = jt->has_last_Java_frame(); | |
236 if (!has_last_Java_frame) | |
237 jt->set_last_Java_frame(); | |
238 st->print("Java frames:"); | |
239 | |
240 // If the top frame is a Shark frame and the frame anchor isn't | |
241 // set up then it's possible that the information in the frame | |
242 // is garbage: it could be from a previous decache, or it could | |
243 // simply have never been written. So we print a warning... | |
244 StackFrameStream sfs(jt); | |
245 if (!has_last_Java_frame && !sfs.is_done()) { | |
246 if (sfs.current()->zeroframe()->is_shark_frame()) { | |
247 st->print(" (TOP FRAME MAY BE JUNK)"); | |
248 } | |
249 } | |
250 st->cr(); | |
251 | |
252 // Print the frames | |
253 for(int i = 0; !sfs.is_done(); sfs.next(), i++) { | |
254 sfs.current()->zero_print_on_error(i, st, buf, buflen); | |
255 st->cr(); | |
256 } | |
257 | |
258 // Reset the frame anchor if necessary | |
259 if (!has_last_Java_frame) | |
260 jt->reset_last_Java_frame(); | |
261 } | |
262 #else | |
263 if (jt->has_last_Java_frame()) { | |
264 st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)"); | |
265 for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) { | |
266 sfs.current()->print_on_error(st, buf, buflen, verbose); | |
267 st->cr(); | |
268 } | |
269 } | |
270 #endif // ZERO | |
271 } | |
0 | 272 |
273 // This is the main function to report a fatal error. Only one thread can | |
274 // call this function, so we don't need to worry about MT-safety. But it's | |
275 // possible that the error handler itself may crash or die on an internal | |
276 // error, for example, when the stack/heap is badly damaged. We must be | |
277 // able to handle recursive errors that happen inside error handler. | |
278 // | |
279 // Error reporting is done in several steps. If a crash or internal error | |
280 // occurred when reporting an error, the nested signal/exception handler | |
281 // can skip steps that are already (or partially) done. Error reporting will | |
282 // continue from the next step. This allows us to retrieve and print | |
283 // information that may be unsafe to get after a fatal error. If it happens, | |
284 // you may find nested report_and_die() frames when you look at the stack | |
285 // in a debugger. | |
286 // | |
287 // In general, a hang in error handler is much worse than a crash or internal | |
288 // error, as it's harder to recover from a hang. Deadlock can happen if we | |
289 // try to grab a lock that is already owned by current thread, or if the | |
290 // owner is blocked forever (e.g. in os::infinite_sleep()). If possible, the | |
291 // error handler and all the functions it called should avoid grabbing any | |
292 // lock. An important thing to notice is that memory allocation needs a lock. | |
293 // | |
294 // We should avoid using large stack allocated buffers. Many errors happen | |
295 // when stack space is already low. Making things even worse is that there | |
296 // could be nested report_and_die() calls on stack (see above). Only one | |
297 // thread can report error, so large buffers are statically allocated in data | |
298 // segment. | |
299 | |
300 void VMError::report(outputStream* st) { | |
301 # define BEGIN if (_current_step == 0) { _current_step = 1; | |
302 # define STEP(n, s) } if (_current_step < n) { _current_step = n; _current_step_info = s; | |
303 # define END } | |
304 | |
305 // don't allocate large buffer on stack | |
306 static char buf[O_BUFLEN]; | |
307 | |
308 BEGIN | |
309 | |
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310 STEP(10, "(printing fatal error message)") |
0 | 311 |
312 st->print_cr("#"); | |
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313 st->print_cr("# A fatal error has been detected by the Java Runtime Environment:"); |
0 | 314 |
315 STEP(15, "(printing type of error)") | |
316 | |
317 switch(_id) { | |
318 case oom_error: | |
319 st->print_cr("#"); | |
320 st->print("# java.lang.OutOfMemoryError: "); | |
321 if (_size) { | |
322 st->print("requested "); | |
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323 sprintf(buf,SIZE_FORMAT,_size); |
0 | 324 st->print(buf); |
325 st->print(" bytes"); | |
326 if (_message != NULL) { | |
327 st->print(" for "); | |
328 st->print(_message); | |
329 } | |
330 st->print_cr(". Out of swap space?"); | |
331 } else { | |
332 if (_message != NULL) | |
333 st->print_cr(_message); | |
334 } | |
335 break; | |
336 case internal_error: | |
337 default: | |
338 break; | |
339 } | |
340 | |
341 STEP(20, "(printing exception/signal name)") | |
342 | |
343 st->print_cr("#"); | |
344 st->print("# "); | |
345 // Is it an OS exception/signal? | |
346 if (os::exception_name(_id, buf, sizeof(buf))) { | |
347 st->print("%s", buf); | |
348 st->print(" (0x%x)", _id); // signal number | |
349 st->print(" at pc=" PTR_FORMAT, _pc); | |
350 } else { | |
351 st->print("Internal Error"); | |
352 if (_filename != NULL && _lineno > 0) { | |
353 #ifdef PRODUCT | |
354 // In product mode chop off pathname? | |
355 char separator = os::file_separator()[0]; | |
356 const char *p = strrchr(_filename, separator); | |
357 const char *file = p ? p+1 : _filename; | |
358 #else | |
359 const char *file = _filename; | |
360 #endif | |
361 size_t len = strlen(file); | |
362 size_t buflen = sizeof(buf); | |
363 | |
364 strncpy(buf, file, buflen); | |
365 if (len + 10 < buflen) { | |
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366 sprintf(buf + len, ":%d", _lineno); |
0 | 367 } |
368 st->print(" (%s)", buf); | |
369 } else { | |
370 st->print(" (0x%x)", _id); | |
371 } | |
372 } | |
373 | |
374 STEP(30, "(printing current thread and pid)") | |
375 | |
376 // process id, thread id | |
377 st->print(", pid=%d", os::current_process_id()); | |
378 st->print(", tid=" UINTX_FORMAT, os::current_thread_id()); | |
379 st->cr(); | |
380 | |
381 STEP(40, "(printing error message)") | |
382 | |
383 // error message | |
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384 if (_detail_msg) { |
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385 st->print_cr("# %s: %s", _message ? _message : "Error", _detail_msg); |
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386 } else if (_message) { |
0 | 387 st->print_cr("# Error: %s", _message); |
388 } | |
389 | |
390 STEP(50, "(printing Java version string)") | |
391 | |
392 // VM version | |
393 st->print_cr("#"); | |
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394 JDK_Version::current().to_string(buf, sizeof(buf)); |
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395 st->print_cr("# JRE version: %s", buf); |
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396 st->print_cr("# Java VM: %s (%s %s %s %s)", |
0 | 397 Abstract_VM_Version::vm_name(), |
398 Abstract_VM_Version::vm_release(), | |
399 Abstract_VM_Version::vm_info_string(), | |
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400 Abstract_VM_Version::vm_platform_string(), |
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401 UseCompressedOops ? "compressed oops" : "" |
0 | 402 ); |
403 | |
404 STEP(60, "(printing problematic frame)") | |
405 | |
406 // Print current frame if we have a context (i.e. it's a crash) | |
407 if (_context) { | |
408 st->print_cr("# Problematic frame:"); | |
409 st->print("# "); | |
410 frame fr = os::fetch_frame_from_context(_context); | |
411 fr.print_on_error(st, buf, sizeof(buf)); | |
412 st->cr(); | |
413 st->print_cr("#"); | |
414 } | |
415 | |
416 STEP(65, "(printing bug submit message)") | |
417 | |
418 if (_verbose) print_bug_submit_message(st, _thread); | |
419 | |
420 STEP(70, "(printing thread)" ) | |
421 | |
422 if (_verbose) { | |
423 st->cr(); | |
424 st->print_cr("--------------- T H R E A D ---------------"); | |
425 st->cr(); | |
426 } | |
427 | |
428 STEP(80, "(printing current thread)" ) | |
429 | |
430 // current thread | |
431 if (_verbose) { | |
432 if (_thread) { | |
433 st->print("Current thread (" PTR_FORMAT "): ", _thread); | |
434 _thread->print_on_error(st, buf, sizeof(buf)); | |
435 st->cr(); | |
436 } else { | |
437 st->print_cr("Current thread is native thread"); | |
438 } | |
439 st->cr(); | |
440 } | |
441 | |
442 STEP(90, "(printing siginfo)" ) | |
443 | |
444 // signal no, signal code, address that caused the fault | |
445 if (_verbose && _siginfo) { | |
446 os::print_siginfo(st, _siginfo); | |
447 st->cr(); | |
448 } | |
449 | |
450 STEP(100, "(printing registers, top of stack, instructions near pc)") | |
451 | |
452 // registers, top of stack, instructions near pc | |
453 if (_verbose && _context) { | |
454 os::print_context(st, _context); | |
455 st->cr(); | |
456 } | |
457 | |
458 STEP(110, "(printing stack bounds)" ) | |
459 | |
460 if (_verbose) { | |
461 st->print("Stack: "); | |
462 | |
463 address stack_top; | |
464 size_t stack_size; | |
465 | |
466 if (_thread) { | |
467 stack_top = _thread->stack_base(); | |
468 stack_size = _thread->stack_size(); | |
469 } else { | |
470 stack_top = os::current_stack_base(); | |
471 stack_size = os::current_stack_size(); | |
472 } | |
473 | |
474 address stack_bottom = stack_top - stack_size; | |
475 st->print("[" PTR_FORMAT "," PTR_FORMAT "]", stack_bottom, stack_top); | |
476 | |
477 frame fr = _context ? os::fetch_frame_from_context(_context) | |
478 : os::current_frame(); | |
479 | |
480 if (fr.sp()) { | |
481 st->print(", sp=" PTR_FORMAT, fr.sp()); | |
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482 size_t free_stack_size = pointer_delta(fr.sp(), stack_bottom, 1024); |
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483 st->print(", free space=" SIZE_FORMAT "k", free_stack_size); |
0 | 484 } |
485 | |
486 st->cr(); | |
487 } | |
488 | |
489 STEP(120, "(printing native stack)" ) | |
490 | |
491 if (_verbose) { | |
492 frame fr = _context ? os::fetch_frame_from_context(_context) | |
493 : os::current_frame(); | |
494 | |
495 // see if it's a valid frame | |
496 if (fr.pc()) { | |
497 st->print_cr("Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)"); | |
498 | |
499 int count = 0; | |
500 | |
501 while (count++ < StackPrintLimit) { | |
502 fr.print_on_error(st, buf, sizeof(buf)); | |
503 st->cr(); | |
504 if (os::is_first_C_frame(&fr)) break; | |
505 fr = os::get_sender_for_C_frame(&fr); | |
506 } | |
507 | |
508 if (count > StackPrintLimit) { | |
509 st->print_cr("...<more frames>..."); | |
510 } | |
511 | |
512 st->cr(); | |
513 } | |
514 } | |
515 | |
516 STEP(130, "(printing Java stack)" ) | |
517 | |
518 if (_verbose && _thread && _thread->is_Java_thread()) { | |
1384 | 519 print_stack_trace(st, (JavaThread*)_thread, buf, sizeof(buf)); |
0 | 520 } |
521 | |
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522 STEP(135, "(printing target Java thread stack)" ) |
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523 |
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524 // printing Java thread stack trace if it is involved in GC crash |
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525 if (_verbose && (_thread->is_Named_thread())) { |
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526 JavaThread* jt = ((NamedThread *)_thread)->processed_thread(); |
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527 if (jt != NULL) { |
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528 st->print_cr("JavaThread " PTR_FORMAT " (nid = " UINTX_FORMAT ") was being processed", jt, jt->osthread()->thread_id()); |
1384 | 529 print_stack_trace(st, jt, buf, sizeof(buf), true); |
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530 } |
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531 } |
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532 |
0 | 533 STEP(140, "(printing VM operation)" ) |
534 | |
535 if (_verbose && _thread && _thread->is_VM_thread()) { | |
536 VMThread* t = (VMThread*)_thread; | |
537 VM_Operation* op = t->vm_operation(); | |
538 if (op) { | |
539 op->print_on_error(st); | |
540 st->cr(); | |
541 st->cr(); | |
542 } | |
543 } | |
544 | |
545 STEP(150, "(printing current compile task)" ) | |
546 | |
547 if (_verbose && _thread && _thread->is_Compiler_thread()) { | |
548 CompilerThread* t = (CompilerThread*)_thread; | |
549 if (t->task()) { | |
550 st->cr(); | |
551 st->print_cr("Current CompileTask:"); | |
552 t->task()->print_line_on_error(st, buf, sizeof(buf)); | |
553 st->cr(); | |
554 } | |
555 } | |
556 | |
557 STEP(160, "(printing process)" ) | |
558 | |
559 if (_verbose) { | |
560 st->cr(); | |
561 st->print_cr("--------------- P R O C E S S ---------------"); | |
562 st->cr(); | |
563 } | |
564 | |
565 STEP(170, "(printing all threads)" ) | |
566 | |
567 // all threads | |
568 if (_verbose && _thread) { | |
569 Threads::print_on_error(st, _thread, buf, sizeof(buf)); | |
570 st->cr(); | |
571 } | |
572 | |
573 STEP(175, "(printing VM state)" ) | |
574 | |
575 if (_verbose) { | |
576 // Safepoint state | |
577 st->print("VM state:"); | |
578 | |
579 if (SafepointSynchronize::is_synchronizing()) st->print("synchronizing"); | |
580 else if (SafepointSynchronize::is_at_safepoint()) st->print("at safepoint"); | |
581 else st->print("not at safepoint"); | |
582 | |
583 // Also see if error occurred during initialization or shutdown | |
584 if (!Universe::is_fully_initialized()) { | |
585 st->print(" (not fully initialized)"); | |
586 } else if (VM_Exit::vm_exited()) { | |
587 st->print(" (shutting down)"); | |
588 } else { | |
589 st->print(" (normal execution)"); | |
590 } | |
591 st->cr(); | |
592 st->cr(); | |
593 } | |
594 | |
595 STEP(180, "(printing owned locks on error)" ) | |
596 | |
597 // mutexes/monitors that currently have an owner | |
598 if (_verbose) { | |
599 print_owned_locks_on_error(st); | |
600 st->cr(); | |
601 } | |
602 | |
603 STEP(190, "(printing heap information)" ) | |
604 | |
605 if (_verbose && Universe::is_fully_initialized()) { | |
606 // print heap information before vm abort | |
607 Universe::print_on(st); | |
608 st->cr(); | |
609 } | |
610 | |
611 STEP(200, "(printing dynamic libraries)" ) | |
612 | |
613 if (_verbose) { | |
614 // dynamic libraries, or memory map | |
615 os::print_dll_info(st); | |
616 st->cr(); | |
617 } | |
618 | |
619 STEP(210, "(printing VM options)" ) | |
620 | |
621 if (_verbose) { | |
622 // VM options | |
623 Arguments::print_on(st); | |
624 st->cr(); | |
625 } | |
626 | |
627 STEP(220, "(printing environment variables)" ) | |
628 | |
629 if (_verbose) { | |
630 os::print_environment_variables(st, env_list, buf, sizeof(buf)); | |
631 st->cr(); | |
632 } | |
633 | |
634 STEP(225, "(printing signal handlers)" ) | |
635 | |
636 if (_verbose) { | |
637 os::print_signal_handlers(st, buf, sizeof(buf)); | |
638 st->cr(); | |
639 } | |
640 | |
641 STEP(230, "" ) | |
642 | |
643 if (_verbose) { | |
644 st->cr(); | |
645 st->print_cr("--------------- S Y S T E M ---------------"); | |
646 st->cr(); | |
647 } | |
648 | |
649 STEP(240, "(printing OS information)" ) | |
650 | |
651 if (_verbose) { | |
652 os::print_os_info(st); | |
653 st->cr(); | |
654 } | |
655 | |
656 STEP(250, "(printing CPU info)" ) | |
657 if (_verbose) { | |
658 os::print_cpu_info(st); | |
659 st->cr(); | |
660 } | |
661 | |
662 STEP(260, "(printing memory info)" ) | |
663 | |
664 if (_verbose) { | |
665 os::print_memory_info(st); | |
666 st->cr(); | |
667 } | |
668 | |
669 STEP(270, "(printing internal vm info)" ) | |
670 | |
671 if (_verbose) { | |
672 st->print_cr("vm_info: %s", Abstract_VM_Version::internal_vm_info_string()); | |
673 st->cr(); | |
674 } | |
675 | |
676 STEP(280, "(printing date and time)" ) | |
677 | |
678 if (_verbose) { | |
679 os::print_date_and_time(st); | |
680 st->cr(); | |
681 } | |
682 | |
683 END | |
684 | |
685 # undef BEGIN | |
686 # undef STEP | |
687 # undef END | |
688 } | |
689 | |
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690 VMError* volatile VMError::first_error = NULL; |
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691 volatile jlong VMError::first_error_tid = -1; |
0 | 692 |
693 void VMError::report_and_die() { | |
694 // Don't allocate large buffer on stack | |
695 static char buffer[O_BUFLEN]; | |
696 | |
697 // An error could happen before tty is initialized or after it has been | |
698 // destroyed. Here we use a very simple unbuffered fdStream for printing. | |
699 // Only out.print_raw() and out.print_raw_cr() should be used, as other | |
700 // printing methods need to allocate large buffer on stack. To format a | |
701 // string, use jio_snprintf() with a static buffer or use staticBufferStream. | |
702 static fdStream out(defaultStream::output_fd()); | |
703 | |
704 // How many errors occurred in error handler when reporting first_error. | |
705 static int recursive_error_count; | |
706 | |
707 // We will first print a brief message to standard out (verbose = false), | |
708 // then save detailed information in log file (verbose = true). | |
709 static bool out_done = false; // done printing to standard out | |
710 static bool log_done = false; // done saving error log | |
711 static fdStream log; // error log | |
712 | |
713 if (SuppressFatalErrorMessage) { | |
714 os::abort(); | |
715 } | |
716 jlong mytid = os::current_thread_id(); | |
717 if (first_error == NULL && | |
718 Atomic::cmpxchg_ptr(this, &first_error, NULL) == NULL) { | |
719 | |
720 // first time | |
721 first_error_tid = mytid; | |
722 set_error_reported(); | |
723 | |
724 if (ShowMessageBoxOnError) { | |
725 show_message_box(buffer, sizeof(buffer)); | |
726 | |
727 // User has asked JVM to abort. Reset ShowMessageBoxOnError so the | |
728 // WatcherThread can kill JVM if the error handler hangs. | |
729 ShowMessageBoxOnError = false; | |
730 } | |
731 | |
732 // reset signal handlers or exception filter; make sure recursive crashes | |
733 // are handled properly. | |
734 reset_signal_handlers(); | |
735 | |
736 } else { | |
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737 // If UseOsErrorReporting we call this for each level of the call stack |
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738 // while searching for the exception handler. Only the first level needs |
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739 // to be reported. |
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740 if (UseOSErrorReporting && log_done) return; |
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741 |
0 | 742 // This is not the first error, see if it happened in a different thread |
743 // or in the same thread during error reporting. | |
744 if (first_error_tid != mytid) { | |
745 jio_snprintf(buffer, sizeof(buffer), | |
746 "[thread " INT64_FORMAT " also had an error]", | |
747 mytid); | |
748 out.print_raw_cr(buffer); | |
749 | |
750 // error reporting is not MT-safe, block current thread | |
751 os::infinite_sleep(); | |
752 | |
753 } else { | |
754 if (recursive_error_count++ > 30) { | |
755 out.print_raw_cr("[Too many errors, abort]"); | |
756 os::die(); | |
757 } | |
758 | |
759 jio_snprintf(buffer, sizeof(buffer), | |
760 "[error occurred during error reporting %s, id 0x%x]", | |
761 first_error ? first_error->_current_step_info : "", | |
762 _id); | |
763 if (log.is_open()) { | |
764 log.cr(); | |
765 log.print_raw_cr(buffer); | |
766 log.cr(); | |
767 } else { | |
768 out.cr(); | |
769 out.print_raw_cr(buffer); | |
770 out.cr(); | |
771 } | |
772 } | |
773 } | |
774 | |
775 // print to screen | |
776 if (!out_done) { | |
777 first_error->_verbose = false; | |
778 | |
779 staticBufferStream sbs(buffer, sizeof(buffer), &out); | |
780 first_error->report(&sbs); | |
781 | |
782 out_done = true; | |
783 | |
784 first_error->_current_step = 0; // reset current_step | |
785 first_error->_current_step_info = ""; // reset current_step string | |
786 } | |
787 | |
788 // print to error log file | |
789 if (!log_done) { | |
790 first_error->_verbose = true; | |
791 | |
792 // see if log file is already open | |
793 if (!log.is_open()) { | |
794 // open log file | |
795 int fd = -1; | |
796 | |
797 if (ErrorFile != NULL) { | |
798 bool copy_ok = | |
799 Arguments::copy_expand_pid(ErrorFile, strlen(ErrorFile), buffer, sizeof(buffer)); | |
800 if (copy_ok) { | |
801 fd = open(buffer, O_WRONLY | O_CREAT | O_TRUNC, 0666); | |
802 } | |
803 } | |
804 | |
805 if (fd == -1) { | |
806 const char *cwd = os::get_current_directory(buffer, sizeof(buffer)); | |
807 size_t len = strlen(cwd); | |
808 // either user didn't specify, or the user's location failed, | |
809 // so use the default name in the current directory | |
810 jio_snprintf(&buffer[len], sizeof(buffer)-len, "%shs_err_pid%u.log", | |
811 os::file_separator(), os::current_process_id()); | |
812 fd = open(buffer, O_WRONLY | O_CREAT | O_TRUNC, 0666); | |
813 } | |
814 | |
815 if (fd == -1) { | |
816 // try temp directory | |
817 const char * tmpdir = os::get_temp_directory(); | |
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818 jio_snprintf(buffer, sizeof(buffer), "%s%shs_err_pid%u.log", |
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819 tmpdir, os::file_separator(), os::current_process_id()); |
0 | 820 fd = open(buffer, O_WRONLY | O_CREAT | O_TRUNC, 0666); |
821 } | |
822 | |
823 if (fd != -1) { | |
824 out.print_raw("# An error report file with more information is saved as:\n# "); | |
825 out.print_raw_cr(buffer); | |
826 os::set_error_file(buffer); | |
827 | |
828 log.set_fd(fd); | |
829 } else { | |
830 out.print_raw_cr("# Can not save log file, dump to screen.."); | |
831 log.set_fd(defaultStream::output_fd()); | |
832 } | |
833 } | |
834 | |
835 staticBufferStream sbs(buffer, O_BUFLEN, &log); | |
836 first_error->report(&sbs); | |
837 first_error->_current_step = 0; // reset current_step | |
838 first_error->_current_step_info = ""; // reset current_step string | |
839 | |
840 if (log.fd() != defaultStream::output_fd()) { | |
841 close(log.fd()); | |
842 } | |
843 | |
844 log.set_fd(-1); | |
845 log_done = true; | |
846 } | |
847 | |
848 | |
849 static bool skip_OnError = false; | |
850 if (!skip_OnError && OnError && OnError[0]) { | |
851 skip_OnError = true; | |
852 | |
853 out.print_raw_cr("#"); | |
854 out.print_raw ("# -XX:OnError=\""); | |
855 out.print_raw (OnError); | |
856 out.print_raw_cr("\""); | |
857 | |
858 char* cmd; | |
859 const char* ptr = OnError; | |
860 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ | |
861 out.print_raw ("# Executing "); | |
862 #if defined(LINUX) | |
863 out.print_raw ("/bin/sh -c "); | |
864 #elif defined(SOLARIS) | |
865 out.print_raw ("/usr/bin/sh -c "); | |
866 #endif | |
867 out.print_raw ("\""); | |
868 out.print_raw (cmd); | |
869 out.print_raw_cr("\" ..."); | |
870 | |
871 os::fork_and_exec(cmd); | |
872 } | |
873 | |
874 // done with OnError | |
875 OnError = NULL; | |
876 } | |
877 | |
878 static bool skip_bug_url = false; | |
879 if (!skip_bug_url) { | |
880 skip_bug_url = true; | |
881 | |
882 out.print_raw_cr("#"); | |
883 print_bug_submit_message(&out, _thread); | |
884 } | |
885 | |
886 if (!UseOSErrorReporting) { | |
887 // os::abort() will call abort hooks, try it first. | |
888 static bool skip_os_abort = false; | |
889 if (!skip_os_abort) { | |
890 skip_os_abort = true; | |
891 os::abort(); | |
892 } | |
893 | |
894 // if os::abort() doesn't abort, try os::die(); | |
895 os::die(); | |
896 } | |
897 } | |
898 | |
899 /* | |
900 * OnOutOfMemoryError scripts/commands executed while VM is a safepoint - this | |
901 * ensures utilities such as jmap can observe the process is a consistent state. | |
902 */ | |
903 class VM_ReportJavaOutOfMemory : public VM_Operation { | |
904 private: | |
905 VMError *_err; | |
906 public: | |
907 VM_ReportJavaOutOfMemory(VMError *err) { _err = err; } | |
908 VMOp_Type type() const { return VMOp_ReportJavaOutOfMemory; } | |
909 void doit(); | |
910 }; | |
911 | |
912 void VM_ReportJavaOutOfMemory::doit() { | |
913 // Don't allocate large buffer on stack | |
914 static char buffer[O_BUFLEN]; | |
915 | |
916 tty->print_cr("#"); | |
917 tty->print_cr("# java.lang.OutOfMemoryError: %s", _err->message()); | |
918 tty->print_cr("# -XX:OnOutOfMemoryError=\"%s\"", OnOutOfMemoryError); | |
919 | |
920 // make heap parsability | |
921 Universe::heap()->ensure_parsability(false); // no need to retire TLABs | |
922 | |
923 char* cmd; | |
924 const char* ptr = OnOutOfMemoryError; | |
925 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ | |
926 tty->print("# Executing "); | |
927 #if defined(LINUX) | |
928 tty->print ("/bin/sh -c "); | |
929 #elif defined(SOLARIS) | |
930 tty->print ("/usr/bin/sh -c "); | |
931 #endif | |
932 tty->print_cr("\"%s\"...", cmd); | |
933 | |
934 os::fork_and_exec(cmd); | |
935 } | |
936 } | |
937 | |
938 void VMError::report_java_out_of_memory() { | |
939 if (OnOutOfMemoryError && OnOutOfMemoryError[0]) { | |
940 MutexLocker ml(Heap_lock); | |
941 VM_ReportJavaOutOfMemory op(this); | |
942 VMThread::execute(&op); | |
943 } | |
944 } |