Mercurial > hg > truffle
annotate src/share/vm/utilities/vmError.cpp @ 14521:29ccc4cbabca
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author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Wed, 12 Mar 2014 13:30:08 +0100 |
parents | d8041d695d19 |
children | b51e29501f30 4ca6dc0799b6 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2003, 2013, 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" | |
5915 | 28 #include "prims/whitebox.hpp" |
1972 | 29 #include "runtime/arguments.hpp" |
30 #include "runtime/frame.inline.hpp" | |
31 #include "runtime/init.hpp" | |
32 #include "runtime/os.hpp" | |
33 #include "runtime/thread.hpp" | |
34 #include "runtime/vmThread.hpp" | |
35 #include "runtime/vm_operations.hpp" | |
6197 | 36 #include "services/memTracker.hpp" |
1972 | 37 #include "utilities/debug.hpp" |
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38 #include "utilities/decoder.hpp" |
1972 | 39 #include "utilities/defaultStream.hpp" |
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40 #include "utilities/errorReporter.hpp" |
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41 #include "utilities/events.hpp" |
1972 | 42 #include "utilities/top.hpp" |
43 #include "utilities/vmError.hpp" | |
0 | 44 |
45 // List of environment variables that should be reported in error log file. | |
46 const char *env_list[] = { | |
47 // All platforms | |
48 "JAVA_HOME", "JRE_HOME", "JAVA_TOOL_OPTIONS", "_JAVA_OPTIONS", "CLASSPATH", | |
49 "JAVA_COMPILER", "PATH", "USERNAME", | |
50 | |
3960 | 51 // Env variables that are defined on Solaris/Linux/BSD |
0 | 52 "LD_LIBRARY_PATH", "LD_PRELOAD", "SHELL", "DISPLAY", |
53 "HOSTTYPE", "OSTYPE", "ARCH", "MACHTYPE", | |
54 | |
55 // defined on Linux | |
56 "LD_ASSUME_KERNEL", "_JAVA_SR_SIGNUM", | |
57 | |
3960 | 58 // defined on Darwin |
59 "DYLD_LIBRARY_PATH", "DYLD_FALLBACK_LIBRARY_PATH", | |
60 "DYLD_FRAMEWORK_PATH", "DYLD_FALLBACK_FRAMEWORK_PATH", | |
61 "DYLD_INSERT_LIBRARIES", | |
62 | |
0 | 63 // defined on Windows |
64 "OS", "PROCESSOR_IDENTIFIER", "_ALT_JAVA_HOME_DIR", | |
65 | |
66 (const char *)0 | |
67 }; | |
68 | |
69 // Fatal error handler for internal errors and crashes. | |
70 // | |
71 // The default behavior of fatal error handler is to print a brief message | |
72 // to standard out (defaultStream::output_fd()), then save detailed information | |
73 // into an error report file (hs_err_pid<pid>.log) and abort VM. If multiple | |
74 // threads are having troubles at the same time, only one error is reported. | |
75 // The thread that is reporting error will abort VM when it is done, all other | |
76 // threads are blocked forever inside report_and_die(). | |
77 | |
78 // Constructor for crashes | |
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79 VMError::VMError(Thread* thread, unsigned int sig, address pc, void* siginfo, void* context) { |
0 | 80 _thread = thread; |
81 _id = sig; | |
82 _pc = pc; | |
83 _siginfo = siginfo; | |
84 _context = context; | |
85 | |
86 _verbose = false; | |
87 _current_step = 0; | |
88 _current_step_info = NULL; | |
89 | |
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90 _message = NULL; |
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91 _detail_msg = NULL; |
0 | 92 _filename = NULL; |
93 _lineno = 0; | |
94 | |
95 _size = 0; | |
96 } | |
97 | |
98 // Constructor for internal errors | |
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99 VMError::VMError(Thread* thread, const char* filename, int lineno, |
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100 const char* message, const char * detail_msg) |
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101 { |
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102 _thread = thread; |
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103 _id = INTERNAL_ERROR; // Value that's not an OS exception/signal |
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104 _filename = filename; |
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105 _lineno = lineno; |
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106 _message = message; |
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107 _detail_msg = detail_msg; |
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108 |
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109 _verbose = false; |
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110 _current_step = 0; |
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111 _current_step_info = NULL; |
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112 |
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113 _pc = NULL; |
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114 _siginfo = NULL; |
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115 _context = NULL; |
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116 |
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117 _size = 0; |
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118 } |
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119 |
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120 // Constructor for OOM errors |
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121 VMError::VMError(Thread* thread, const char* filename, int lineno, size_t size, |
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122 VMErrorType vm_err_type, const char* message) { |
0 | 123 _thread = thread; |
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124 _id = vm_err_type; // Value that's not an OS exception/signal |
0 | 125 _filename = filename; |
126 _lineno = lineno; | |
127 _message = message; | |
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128 _detail_msg = NULL; |
0 | 129 |
130 _verbose = false; | |
131 _current_step = 0; | |
132 _current_step_info = NULL; | |
133 | |
134 _pc = NULL; | |
135 _siginfo = NULL; | |
136 _context = NULL; | |
137 | |
138 _size = size; | |
139 } | |
140 | |
141 | |
142 // Constructor for non-fatal errors | |
143 VMError::VMError(const char* message) { | |
144 _thread = NULL; | |
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145 _id = INTERNAL_ERROR; // Value that's not an OS exception/signal |
0 | 146 _filename = NULL; |
147 _lineno = 0; | |
148 _message = message; | |
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149 _detail_msg = NULL; |
0 | 150 |
151 _verbose = false; | |
152 _current_step = 0; | |
153 _current_step_info = NULL; | |
154 | |
155 _pc = NULL; | |
156 _siginfo = NULL; | |
157 _context = NULL; | |
158 | |
159 _size = 0; | |
160 } | |
161 | |
162 // -XX:OnError=<string>, where <string> can be a list of commands, separated | |
163 // by ';'. "%p" is replaced by current process id (pid); "%%" is replaced by | |
164 // a single "%". Some examples: | |
165 // | |
166 // -XX:OnError="pmap %p" // show memory map | |
167 // -XX:OnError="gcore %p; dbx - %p" // dump core and launch debugger | |
168 // -XX:OnError="cat hs_err_pid%p.log | mail my_email@sun.com" | |
169 // -XX:OnError="kill -9 %p" // ?#!@# | |
170 | |
171 // A simple parser for -XX:OnError, usage: | |
172 // ptr = OnError; | |
173 // while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr) != NULL) | |
174 // ... ... | |
175 static char* next_OnError_command(char* buf, int buflen, const char** ptr) { | |
176 if (ptr == NULL || *ptr == NULL) return NULL; | |
177 | |
178 const char* cmd = *ptr; | |
179 | |
180 // skip leading blanks or ';' | |
181 while (*cmd == ' ' || *cmd == ';') cmd++; | |
182 | |
183 if (*cmd == '\0') return NULL; | |
184 | |
185 const char * cmdend = cmd; | |
186 while (*cmdend != '\0' && *cmdend != ';') cmdend++; | |
187 | |
188 Arguments::copy_expand_pid(cmd, cmdend - cmd, buf, buflen); | |
189 | |
190 *ptr = (*cmdend == '\0' ? cmdend : cmdend + 1); | |
191 return buf; | |
192 } | |
193 | |
194 | |
195 static void print_bug_submit_message(outputStream *out, Thread *thread) { | |
196 if (out == NULL) return; | |
197 out->print_raw_cr("# If you would like to submit a bug report, please visit:"); | |
198 out->print_raw ("# "); | |
199 out->print_raw_cr(Arguments::java_vendor_url_bug()); | |
200 // If the crash is in native code, encourage user to submit a bug to the | |
201 // provider of that code. | |
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202 if (thread && thread->is_Java_thread() && |
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203 !thread->is_hidden_from_external_view()) { |
0 | 204 JavaThread* jt = (JavaThread*)thread; |
205 if (jt->thread_state() == _thread_in_native) { | |
206 out->print_cr("# The crash happened outside the Java Virtual Machine in native code.\n# See problematic frame for where to report the bug."); | |
207 } | |
208 } | |
209 out->print_raw_cr("#"); | |
210 } | |
211 | |
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212 bool VMError::coredump_status; |
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213 char VMError::coredump_message[O_BUFLEN]; |
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214 |
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215 void VMError::report_coredump_status(const char* message, bool status) { |
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216 coredump_status = status; |
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217 strncpy(coredump_message, message, sizeof(coredump_message)); |
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218 coredump_message[sizeof(coredump_message)-1] = 0; |
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219 } |
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220 |
0 | 221 |
222 // Return a string to describe the error | |
223 char* VMError::error_string(char* buf, int buflen) { | |
224 char signame_buf[64]; | |
225 const char *signame = os::exception_name(_id, signame_buf, sizeof(signame_buf)); | |
226 | |
227 if (signame) { | |
228 jio_snprintf(buf, buflen, | |
229 "%s (0x%x) at pc=" PTR_FORMAT ", pid=%d, tid=" UINTX_FORMAT, | |
230 signame, _id, _pc, | |
231 os::current_process_id(), os::current_thread_id()); | |
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232 } else if (_filename != NULL && _lineno > 0) { |
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233 // skip directory names |
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234 char separator = os::file_separator()[0]; |
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235 const char *p = strrchr(_filename, separator); |
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236 int n = jio_snprintf(buf, buflen, |
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237 "Internal Error at %s:%d, pid=%d, tid=" UINTX_FORMAT, |
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238 p ? p + 1 : _filename, _lineno, |
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239 os::current_process_id(), os::current_thread_id()); |
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240 if (n >= 0 && n < buflen && _message) { |
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241 if (_detail_msg) { |
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242 jio_snprintf(buf + n, buflen - n, "%s%s: %s", |
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243 os::line_separator(), _message, _detail_msg); |
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244 } else { |
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245 jio_snprintf(buf + n, buflen - n, "%sError: %s", |
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246 os::line_separator(), _message); |
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247 } |
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248 } |
0 | 249 } else { |
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250 jio_snprintf(buf, buflen, |
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251 "Internal Error (0x%x), pid=%d, tid=" UINTX_FORMAT, |
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252 _id, os::current_process_id(), os::current_thread_id()); |
0 | 253 } |
254 | |
255 return buf; | |
256 } | |
257 | |
1384 | 258 void VMError::print_stack_trace(outputStream* st, JavaThread* jt, |
259 char* buf, int buflen, bool verbose) { | |
260 #ifdef ZERO | |
261 if (jt->zero_stack()->sp() && jt->top_zero_frame()) { | |
262 // StackFrameStream uses the frame anchor, which may not have | |
263 // been set up. This can be done at any time in Zero, however, | |
264 // so if it hasn't been set up then we just set it up now and | |
265 // clear it again when we're done. | |
266 bool has_last_Java_frame = jt->has_last_Java_frame(); | |
267 if (!has_last_Java_frame) | |
268 jt->set_last_Java_frame(); | |
269 st->print("Java frames:"); | |
270 | |
271 // If the top frame is a Shark frame and the frame anchor isn't | |
272 // set up then it's possible that the information in the frame | |
273 // is garbage: it could be from a previous decache, or it could | |
274 // simply have never been written. So we print a warning... | |
275 StackFrameStream sfs(jt); | |
276 if (!has_last_Java_frame && !sfs.is_done()) { | |
277 if (sfs.current()->zeroframe()->is_shark_frame()) { | |
278 st->print(" (TOP FRAME MAY BE JUNK)"); | |
279 } | |
280 } | |
281 st->cr(); | |
282 | |
283 // Print the frames | |
284 for(int i = 0; !sfs.is_done(); sfs.next(), i++) { | |
285 sfs.current()->zero_print_on_error(i, st, buf, buflen); | |
286 st->cr(); | |
287 } | |
288 | |
289 // Reset the frame anchor if necessary | |
290 if (!has_last_Java_frame) | |
291 jt->reset_last_Java_frame(); | |
292 } | |
293 #else | |
294 if (jt->has_last_Java_frame()) { | |
295 st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)"); | |
296 for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) { | |
297 sfs.current()->print_on_error(st, buf, buflen, verbose); | |
298 st->cr(); | |
299 } | |
300 } | |
301 #endif // ZERO | |
302 } | |
0 | 303 |
304 // This is the main function to report a fatal error. Only one thread can | |
305 // call this function, so we don't need to worry about MT-safety. But it's | |
306 // possible that the error handler itself may crash or die on an internal | |
307 // error, for example, when the stack/heap is badly damaged. We must be | |
308 // able to handle recursive errors that happen inside error handler. | |
309 // | |
310 // Error reporting is done in several steps. If a crash or internal error | |
311 // occurred when reporting an error, the nested signal/exception handler | |
312 // can skip steps that are already (or partially) done. Error reporting will | |
313 // continue from the next step. This allows us to retrieve and print | |
314 // information that may be unsafe to get after a fatal error. If it happens, | |
315 // you may find nested report_and_die() frames when you look at the stack | |
316 // in a debugger. | |
317 // | |
318 // In general, a hang in error handler is much worse than a crash or internal | |
319 // error, as it's harder to recover from a hang. Deadlock can happen if we | |
320 // try to grab a lock that is already owned by current thread, or if the | |
321 // owner is blocked forever (e.g. in os::infinite_sleep()). If possible, the | |
322 // error handler and all the functions it called should avoid grabbing any | |
323 // lock. An important thing to notice is that memory allocation needs a lock. | |
324 // | |
325 // We should avoid using large stack allocated buffers. Many errors happen | |
326 // when stack space is already low. Making things even worse is that there | |
327 // could be nested report_and_die() calls on stack (see above). Only one | |
328 // thread can report error, so large buffers are statically allocated in data | |
329 // segment. | |
330 | |
331 void VMError::report(outputStream* st) { | |
332 # define BEGIN if (_current_step == 0) { _current_step = 1; | |
333 # define STEP(n, s) } if (_current_step < n) { _current_step = n; _current_step_info = s; | |
334 # define END } | |
335 | |
336 // don't allocate large buffer on stack | |
337 static char buf[O_BUFLEN]; | |
338 | |
339 BEGIN | |
340 | |
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341 STEP(10, "(printing fatal error message)") |
0 | 342 |
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343 st->print_cr("#"); |
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344 if (should_report_bug(_id)) { |
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345 st->print_cr("# A fatal error has been detected by the Java Runtime Environment:"); |
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346 } else { |
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347 st->print_cr("# There is insufficient memory for the Java " |
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348 "Runtime Environment to continue."); |
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349 } |
0 | 350 |
351 STEP(15, "(printing type of error)") | |
352 | |
353 switch(_id) { | |
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354 case OOM_MALLOC_ERROR: |
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355 case OOM_MMAP_ERROR: |
0 | 356 if (_size) { |
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357 st->print("# Native memory allocation "); |
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358 st->print((_id == (int)OOM_MALLOC_ERROR) ? "(malloc) failed to allocate " : |
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359 "(mmap) failed to map "); |
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360 jio_snprintf(buf, sizeof(buf), SIZE_FORMAT, _size); |
0 | 361 st->print(buf); |
362 st->print(" bytes"); | |
363 if (_message != NULL) { | |
364 st->print(" for "); | |
365 st->print(_message); | |
366 } | |
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367 st->cr(); |
0 | 368 } else { |
369 if (_message != NULL) | |
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370 st->print("# "); |
0 | 371 st->print_cr(_message); |
372 } | |
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373 // In error file give some solutions |
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374 if (_verbose) { |
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375 st->print_cr("# Possible reasons:"); |
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376 st->print_cr("# The system is out of physical RAM or swap space"); |
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377 st->print_cr("# In 32 bit mode, the process size limit was hit"); |
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378 st->print_cr("# Possible solutions:"); |
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379 st->print_cr("# Reduce memory load on the system"); |
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380 st->print_cr("# Increase physical memory or swap space"); |
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381 st->print_cr("# Check if swap backing store is full"); |
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382 st->print_cr("# Use 64 bit Java on a 64 bit OS"); |
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383 st->print_cr("# Decrease Java heap size (-Xmx/-Xms)"); |
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384 st->print_cr("# Decrease number of Java threads"); |
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385 st->print_cr("# Decrease Java thread stack sizes (-Xss)"); |
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386 st->print_cr("# Set larger code cache with -XX:ReservedCodeCacheSize="); |
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387 st->print_cr("# This output file may be truncated or incomplete."); |
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388 } else { |
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389 return; // that's enough for the screen |
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390 } |
0 | 391 break; |
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392 case INTERNAL_ERROR: |
0 | 393 default: |
394 break; | |
395 } | |
396 | |
397 STEP(20, "(printing exception/signal name)") | |
398 | |
399 st->print_cr("#"); | |
400 st->print("# "); | |
401 // Is it an OS exception/signal? | |
402 if (os::exception_name(_id, buf, sizeof(buf))) { | |
403 st->print("%s", buf); | |
404 st->print(" (0x%x)", _id); // signal number | |
405 st->print(" at pc=" PTR_FORMAT, _pc); | |
406 } else { | |
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407 if (should_report_bug(_id)) { |
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408 st->print("Internal Error"); |
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409 } else { |
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410 st->print("Out of Memory Error"); |
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411 } |
0 | 412 if (_filename != NULL && _lineno > 0) { |
413 #ifdef PRODUCT | |
414 // In product mode chop off pathname? | |
415 char separator = os::file_separator()[0]; | |
416 const char *p = strrchr(_filename, separator); | |
417 const char *file = p ? p+1 : _filename; | |
418 #else | |
419 const char *file = _filename; | |
420 #endif | |
421 size_t len = strlen(file); | |
422 size_t buflen = sizeof(buf); | |
423 | |
424 strncpy(buf, file, buflen); | |
425 if (len + 10 < buflen) { | |
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426 sprintf(buf + len, ":%d", _lineno); |
0 | 427 } |
428 st->print(" (%s)", buf); | |
429 } else { | |
430 st->print(" (0x%x)", _id); | |
431 } | |
432 } | |
433 | |
434 STEP(30, "(printing current thread and pid)") | |
435 | |
436 // process id, thread id | |
437 st->print(", pid=%d", os::current_process_id()); | |
438 st->print(", tid=" UINTX_FORMAT, os::current_thread_id()); | |
439 st->cr(); | |
440 | |
441 STEP(40, "(printing error message)") | |
442 | |
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443 if (should_report_bug(_id)) { // already printed the message. |
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444 // error message |
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445 if (_detail_msg) { |
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446 st->print_cr("# %s: %s", _message ? _message : "Error", _detail_msg); |
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447 } else if (_message) { |
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448 st->print_cr("# Error: %s", _message); |
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449 } |
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450 } |
0 | 451 |
452 STEP(50, "(printing Java version string)") | |
453 | |
454 // VM version | |
455 st->print_cr("#"); | |
473
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456 JDK_Version::current().to_string(buf, sizeof(buf)); |
6181 | 457 const char* runtime_name = JDK_Version::runtime_name() != NULL ? |
458 JDK_Version::runtime_name() : ""; | |
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459 const char* runtime_version = JDK_Version::runtime_version() != NULL ? |
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460 JDK_Version::runtime_version() : ""; |
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461 st->print_cr("# JRE version: %s (%s) (build %s)", runtime_name, buf, runtime_version); |
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462 st->print_cr("# Java VM: %s (%s %s %s %s)", |
0 | 463 Abstract_VM_Version::vm_name(), |
464 Abstract_VM_Version::vm_release(), | |
465 Abstract_VM_Version::vm_info_string(), | |
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466 Abstract_VM_Version::vm_platform_string(), |
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467 UseCompressedOops ? "compressed oops" : "" |
0 | 468 ); |
469 | |
470 STEP(60, "(printing problematic frame)") | |
471 | |
472 // Print current frame if we have a context (i.e. it's a crash) | |
473 if (_context) { | |
474 st->print_cr("# Problematic frame:"); | |
475 st->print("# "); | |
476 frame fr = os::fetch_frame_from_context(_context); | |
477 fr.print_on_error(st, buf, sizeof(buf)); | |
478 st->cr(); | |
479 st->print_cr("#"); | |
480 } | |
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481 STEP(63, "(printing core file information)") |
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482 st->print("# "); |
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483 if (coredump_status) { |
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484 st->print("Core dump written. Default location: %s", coredump_message); |
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485 } else { |
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486 st->print("Failed to write core dump. %s", coredump_message); |
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487 } |
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488 st->print_cr(""); |
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489 st->print_cr("#"); |
0 | 490 |
491 STEP(65, "(printing bug submit message)") | |
492 | |
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493 if (should_report_bug(_id) && _verbose) { |
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494 print_bug_submit_message(st, _thread); |
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495 } |
0 | 496 |
497 STEP(70, "(printing thread)" ) | |
498 | |
499 if (_verbose) { | |
500 st->cr(); | |
501 st->print_cr("--------------- T H R E A D ---------------"); | |
502 st->cr(); | |
503 } | |
504 | |
505 STEP(80, "(printing current thread)" ) | |
506 | |
507 // current thread | |
508 if (_verbose) { | |
509 if (_thread) { | |
510 st->print("Current thread (" PTR_FORMAT "): ", _thread); | |
511 _thread->print_on_error(st, buf, sizeof(buf)); | |
512 st->cr(); | |
513 } else { | |
514 st->print_cr("Current thread is native thread"); | |
515 } | |
516 st->cr(); | |
517 } | |
518 | |
519 STEP(90, "(printing siginfo)" ) | |
520 | |
521 // signal no, signal code, address that caused the fault | |
522 if (_verbose && _siginfo) { | |
523 os::print_siginfo(st, _siginfo); | |
524 st->cr(); | |
525 } | |
526 | |
527 STEP(100, "(printing registers, top of stack, instructions near pc)") | |
528 | |
529 // registers, top of stack, instructions near pc | |
530 if (_verbose && _context) { | |
531 os::print_context(st, _context); | |
532 st->cr(); | |
533 } | |
534 | |
1907 | 535 STEP(105, "(printing register info)") |
536 | |
537 // decode register contents if possible | |
538 if (_verbose && _context && Universe::is_fully_initialized()) { | |
539 os::print_register_info(st, _context); | |
540 st->cr(); | |
541 } | |
542 | |
0 | 543 STEP(110, "(printing stack bounds)" ) |
544 | |
545 if (_verbose) { | |
546 st->print("Stack: "); | |
547 | |
548 address stack_top; | |
549 size_t stack_size; | |
550 | |
551 if (_thread) { | |
552 stack_top = _thread->stack_base(); | |
553 stack_size = _thread->stack_size(); | |
554 } else { | |
555 stack_top = os::current_stack_base(); | |
556 stack_size = os::current_stack_size(); | |
557 } | |
558 | |
559 address stack_bottom = stack_top - stack_size; | |
560 st->print("[" PTR_FORMAT "," PTR_FORMAT "]", stack_bottom, stack_top); | |
561 | |
562 frame fr = _context ? os::fetch_frame_from_context(_context) | |
563 : os::current_frame(); | |
564 | |
565 if (fr.sp()) { | |
566 st->print(", sp=" PTR_FORMAT, fr.sp()); | |
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567 size_t free_stack_size = pointer_delta(fr.sp(), stack_bottom, 1024); |
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568 st->print(", free space=" SIZE_FORMAT "k", free_stack_size); |
0 | 569 } |
570 | |
571 st->cr(); | |
572 } | |
573 | |
574 STEP(120, "(printing native stack)" ) | |
575 | |
576 if (_verbose) { | |
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577 if (os::platform_print_native_stack(st, _context, buf, sizeof(buf))) { |
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578 // We have printed the native stack in platform-specific code |
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579 // Windows/x64 needs special handling. |
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580 } else { |
0 | 581 frame fr = _context ? os::fetch_frame_from_context(_context) |
582 : os::current_frame(); | |
583 | |
584 // see if it's a valid frame | |
585 if (fr.pc()) { | |
586 st->print_cr("Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)"); | |
587 | |
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588 |
0 | 589 int count = 0; |
590 while (count++ < StackPrintLimit) { | |
591 fr.print_on_error(st, buf, sizeof(buf)); | |
592 st->cr(); | |
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593 // Compiled code may use EBP register on x86 so it looks like |
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594 // non-walkable C frame. Use frame.sender() for java frames. |
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595 if (_thread && _thread->is_Java_thread() && fr.is_java_frame()) { |
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596 RegisterMap map((JavaThread*)_thread, false); // No update |
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597 fr = fr.sender(&map); |
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598 continue; |
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599 } |
0 | 600 if (os::is_first_C_frame(&fr)) break; |
601 fr = os::get_sender_for_C_frame(&fr); | |
602 } | |
603 | |
604 if (count > StackPrintLimit) { | |
605 st->print_cr("...<more frames>..."); | |
606 } | |
607 | |
608 st->cr(); | |
609 } | |
610 } | |
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611 } |
0 | 612 |
613 STEP(130, "(printing Java stack)" ) | |
614 | |
615 if (_verbose && _thread && _thread->is_Java_thread()) { | |
1384 | 616 print_stack_trace(st, (JavaThread*)_thread, buf, sizeof(buf)); |
0 | 617 } |
618 | |
1119
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619 STEP(135, "(printing target Java thread stack)" ) |
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620 |
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621 // printing Java thread stack trace if it is involved in GC crash |
1907 | 622 if (_verbose && _thread && (_thread->is_Named_thread())) { |
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623 JavaThread* jt = ((NamedThread *)_thread)->processed_thread(); |
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624 if (jt != NULL) { |
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625 st->print_cr("JavaThread " PTR_FORMAT " (nid = " UINTX_FORMAT ") was being processed", jt, jt->osthread()->thread_id()); |
1384 | 626 print_stack_trace(st, jt, buf, sizeof(buf), true); |
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627 } |
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628 } |
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629 |
0 | 630 STEP(140, "(printing VM operation)" ) |
631 | |
632 if (_verbose && _thread && _thread->is_VM_thread()) { | |
633 VMThread* t = (VMThread*)_thread; | |
634 VM_Operation* op = t->vm_operation(); | |
635 if (op) { | |
636 op->print_on_error(st); | |
637 st->cr(); | |
638 st->cr(); | |
639 } | |
640 } | |
641 | |
642 STEP(150, "(printing current compile task)" ) | |
643 | |
644 if (_verbose && _thread && _thread->is_Compiler_thread()) { | |
645 CompilerThread* t = (CompilerThread*)_thread; | |
646 if (t->task()) { | |
647 st->cr(); | |
648 st->print_cr("Current CompileTask:"); | |
649 t->task()->print_line_on_error(st, buf, sizeof(buf)); | |
650 st->cr(); | |
651 } | |
652 } | |
653 | |
654 STEP(160, "(printing process)" ) | |
655 | |
656 if (_verbose) { | |
657 st->cr(); | |
658 st->print_cr("--------------- P R O C E S S ---------------"); | |
659 st->cr(); | |
660 } | |
661 | |
662 STEP(170, "(printing all threads)" ) | |
663 | |
664 // all threads | |
665 if (_verbose && _thread) { | |
666 Threads::print_on_error(st, _thread, buf, sizeof(buf)); | |
667 st->cr(); | |
668 } | |
669 | |
670 STEP(175, "(printing VM state)" ) | |
671 | |
672 if (_verbose) { | |
673 // Safepoint state | |
674 st->print("VM state:"); | |
675 | |
676 if (SafepointSynchronize::is_synchronizing()) st->print("synchronizing"); | |
677 else if (SafepointSynchronize::is_at_safepoint()) st->print("at safepoint"); | |
678 else st->print("not at safepoint"); | |
679 | |
680 // Also see if error occurred during initialization or shutdown | |
681 if (!Universe::is_fully_initialized()) { | |
682 st->print(" (not fully initialized)"); | |
683 } else if (VM_Exit::vm_exited()) { | |
684 st->print(" (shutting down)"); | |
685 } else { | |
686 st->print(" (normal execution)"); | |
687 } | |
688 st->cr(); | |
689 st->cr(); | |
690 } | |
691 | |
692 STEP(180, "(printing owned locks on error)" ) | |
693 | |
694 // mutexes/monitors that currently have an owner | |
695 if (_verbose) { | |
696 print_owned_locks_on_error(st); | |
697 st->cr(); | |
698 } | |
699 | |
700 STEP(190, "(printing heap information)" ) | |
701 | |
702 if (_verbose && Universe::is_fully_initialized()) { | |
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703 Universe::heap()->print_on_error(st); |
5984 | 704 st->cr(); |
705 | |
706 st->print_cr("Polling page: " INTPTR_FORMAT, os::get_polling_page()); | |
707 st->cr(); | |
0 | 708 } |
709 | |
1907 | 710 STEP(195, "(printing code cache information)" ) |
711 | |
712 if (_verbose && Universe::is_fully_initialized()) { | |
713 // print code cache information before vm abort | |
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714 CodeCache::print_summary(st); |
1907 | 715 st->cr(); |
716 } | |
717 | |
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718 STEP(200, "(printing ring buffers)" ) |
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719 |
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720 if (_verbose) { |
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721 Events::print_all(st); |
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722 st->cr(); |
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723 } |
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724 |
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725 STEP(205, "(printing dynamic libraries)" ) |
0 | 726 |
727 if (_verbose) { | |
728 // dynamic libraries, or memory map | |
729 os::print_dll_info(st); | |
730 st->cr(); | |
731 } | |
732 | |
733 STEP(210, "(printing VM options)" ) | |
734 | |
735 if (_verbose) { | |
736 // VM options | |
737 Arguments::print_on(st); | |
738 st->cr(); | |
739 } | |
740 | |
5915 | 741 STEP(215, "(printing warning if internal testing API used)" ) |
742 | |
743 if (WhiteBox::used()) { | |
744 st->print_cr("Unsupported internal testing APIs have been used."); | |
745 st->cr(); | |
746 } | |
747 | |
0 | 748 STEP(220, "(printing environment variables)" ) |
749 | |
750 if (_verbose) { | |
751 os::print_environment_variables(st, env_list, buf, sizeof(buf)); | |
752 st->cr(); | |
753 } | |
754 | |
755 STEP(225, "(printing signal handlers)" ) | |
756 | |
757 if (_verbose) { | |
758 os::print_signal_handlers(st, buf, sizeof(buf)); | |
759 st->cr(); | |
760 } | |
761 | |
762 STEP(230, "" ) | |
763 | |
764 if (_verbose) { | |
765 st->cr(); | |
766 st->print_cr("--------------- S Y S T E M ---------------"); | |
767 st->cr(); | |
768 } | |
769 | |
770 STEP(240, "(printing OS information)" ) | |
771 | |
772 if (_verbose) { | |
773 os::print_os_info(st); | |
774 st->cr(); | |
775 } | |
776 | |
777 STEP(250, "(printing CPU info)" ) | |
778 if (_verbose) { | |
779 os::print_cpu_info(st); | |
780 st->cr(); | |
781 } | |
782 | |
783 STEP(260, "(printing memory info)" ) | |
784 | |
785 if (_verbose) { | |
786 os::print_memory_info(st); | |
787 st->cr(); | |
788 } | |
789 | |
790 STEP(270, "(printing internal vm info)" ) | |
791 | |
792 if (_verbose) { | |
793 st->print_cr("vm_info: %s", Abstract_VM_Version::internal_vm_info_string()); | |
794 st->cr(); | |
795 } | |
796 | |
797 STEP(280, "(printing date and time)" ) | |
798 | |
799 if (_verbose) { | |
800 os::print_date_and_time(st); | |
801 st->cr(); | |
802 } | |
803 | |
804 END | |
805 | |
806 # undef BEGIN | |
807 # undef STEP | |
808 # undef END | |
809 } | |
810 | |
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811 VMError* volatile VMError::first_error = NULL; |
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812 volatile jlong VMError::first_error_tid = -1; |
0 | 813 |
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814 // An error could happen before tty is initialized or after it has been |
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815 // destroyed. Here we use a very simple unbuffered fdStream for printing. |
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816 // Only out.print_raw() and out.print_raw_cr() should be used, as other |
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817 // printing methods need to allocate large buffer on stack. To format a |
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818 // string, use jio_snprintf() with a static buffer or use staticBufferStream. |
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819 fdStream VMError::out(defaultStream::output_fd()); |
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820 fdStream VMError::log; // error log used by VMError::report_and_die() |
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821 |
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822 /** Expand a pattern into a buffer starting at pos and open a file using constructed path */ |
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823 static int expand_and_open(const char* pattern, char* buf, size_t buflen, size_t pos) { |
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824 int fd = -1; |
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825 if (Arguments::copy_expand_pid(pattern, strlen(pattern), &buf[pos], buflen - pos)) { |
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826 fd = open(buf, O_RDWR | O_CREAT | O_TRUNC, 0666); |
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827 } |
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828 return fd; |
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829 } |
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830 |
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831 /** |
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832 * Construct file name for a log file and return it's file descriptor. |
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833 * Name and location depends on pattern, default_pattern params and access |
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834 * permissions. |
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835 */ |
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836 static int prepare_log_file(const char* pattern, const char* default_pattern, char* buf, size_t buflen) { |
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837 int fd = -1; |
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838 |
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839 // If possible, use specified pattern to construct log file name |
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840 if (pattern != NULL) { |
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841 fd = expand_and_open(pattern, buf, buflen, 0); |
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842 } |
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843 |
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844 // Either user didn't specify, or the user's location failed, |
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845 // so use the default name in the current directory |
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846 if (fd == -1) { |
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847 const char* cwd = os::get_current_directory(buf, buflen); |
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848 if (cwd != NULL) { |
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849 size_t pos = strlen(cwd); |
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850 int fsep_len = jio_snprintf(&buf[pos], buflen-pos, "%s", os::file_separator()); |
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851 pos += fsep_len; |
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852 if (fsep_len > 0) { |
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853 fd = expand_and_open(default_pattern, buf, buflen, pos); |
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854 } |
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855 } |
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856 } |
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857 |
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858 // try temp directory if it exists. |
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859 if (fd == -1) { |
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860 const char* tmpdir = os::get_temp_directory(); |
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861 if (tmpdir != NULL && strlen(tmpdir) > 0) { |
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862 int pos = jio_snprintf(buf, buflen, "%s%s", tmpdir, os::file_separator()); |
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863 if (pos > 0) { |
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864 fd = expand_and_open(default_pattern, buf, buflen, pos); |
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865 } |
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866 } |
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867 } |
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868 |
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869 return fd; |
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870 } |
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871 |
0 | 872 void VMError::report_and_die() { |
873 // Don't allocate large buffer on stack | |
874 static char buffer[O_BUFLEN]; | |
875 | |
876 // How many errors occurred in error handler when reporting first_error. | |
877 static int recursive_error_count; | |
878 | |
879 // We will first print a brief message to standard out (verbose = false), | |
880 // then save detailed information in log file (verbose = true). | |
881 static bool out_done = false; // done printing to standard out | |
882 static bool log_done = false; // done saving error log | |
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883 static bool transmit_report_done = false; // done error reporting |
0 | 884 |
6197 | 885 // disble NMT to avoid further exception |
886 MemTracker::shutdown(MemTracker::NMT_error_reporting); | |
887 | |
0 | 888 if (SuppressFatalErrorMessage) { |
889 os::abort(); | |
890 } | |
891 jlong mytid = os::current_thread_id(); | |
892 if (first_error == NULL && | |
893 Atomic::cmpxchg_ptr(this, &first_error, NULL) == NULL) { | |
894 | |
895 // first time | |
896 first_error_tid = mytid; | |
897 set_error_reported(); | |
898 | |
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899 if (ShowMessageBoxOnError || PauseAtExit) { |
0 | 900 show_message_box(buffer, sizeof(buffer)); |
901 | |
902 // User has asked JVM to abort. Reset ShowMessageBoxOnError so the | |
903 // WatcherThread can kill JVM if the error handler hangs. | |
904 ShowMessageBoxOnError = false; | |
905 } | |
906 | |
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907 // Write a minidump on Windows, check core dump limits on Linux/Solaris |
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908 os::check_or_create_dump(_siginfo, _context, buffer, sizeof(buffer)); |
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909 |
0 | 910 // reset signal handlers or exception filter; make sure recursive crashes |
911 // are handled properly. | |
912 reset_signal_handlers(); | |
913 | |
914 } else { | |
511
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915 // If UseOsErrorReporting we call this for each level of the call stack |
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916 // while searching for the exception handler. Only the first level needs |
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917 // to be reported. |
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918 if (UseOSErrorReporting && log_done) return; |
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919 |
0 | 920 // This is not the first error, see if it happened in a different thread |
921 // or in the same thread during error reporting. | |
922 if (first_error_tid != mytid) { | |
11093 | 923 char msgbuf[64]; |
924 jio_snprintf(msgbuf, sizeof(msgbuf), | |
0 | 925 "[thread " INT64_FORMAT " also had an error]", |
926 mytid); | |
11093 | 927 out.print_raw_cr(msgbuf); |
0 | 928 |
929 // error reporting is not MT-safe, block current thread | |
930 os::infinite_sleep(); | |
931 | |
932 } else { | |
933 if (recursive_error_count++ > 30) { | |
934 out.print_raw_cr("[Too many errors, abort]"); | |
935 os::die(); | |
936 } | |
937 | |
938 jio_snprintf(buffer, sizeof(buffer), | |
939 "[error occurred during error reporting %s, id 0x%x]", | |
940 first_error ? first_error->_current_step_info : "", | |
941 _id); | |
942 if (log.is_open()) { | |
943 log.cr(); | |
944 log.print_raw_cr(buffer); | |
945 log.cr(); | |
946 } else { | |
947 out.cr(); | |
948 out.print_raw_cr(buffer); | |
949 out.cr(); | |
950 } | |
951 } | |
952 } | |
953 | |
954 // print to screen | |
955 if (!out_done) { | |
956 first_error->_verbose = false; | |
957 | |
958 staticBufferStream sbs(buffer, sizeof(buffer), &out); | |
959 first_error->report(&sbs); | |
960 | |
961 out_done = true; | |
962 | |
963 first_error->_current_step = 0; // reset current_step | |
964 first_error->_current_step_info = ""; // reset current_step string | |
965 } | |
966 | |
967 // print to error log file | |
968 if (!log_done) { | |
969 first_error->_verbose = true; | |
970 | |
971 // see if log file is already open | |
972 if (!log.is_open()) { | |
973 // open log file | |
10195
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974 int fd = prepare_log_file(ErrorFile, "hs_err_pid%p.log", buffer, sizeof(buffer)); |
0 | 975 if (fd != -1) { |
976 out.print_raw("# An error report file with more information is saved as:\n# "); | |
977 out.print_raw_cr(buffer); | |
978 os::set_error_file(buffer); | |
979 | |
980 log.set_fd(fd); | |
981 } else { | |
982 out.print_raw_cr("# Can not save log file, dump to screen.."); | |
983 log.set_fd(defaultStream::output_fd()); | |
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984 /* Error reporting currently needs dumpfile. |
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985 * Maybe implement direct streaming in the future.*/ |
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986 transmit_report_done = true; |
0 | 987 } |
988 } | |
989 | |
990 staticBufferStream sbs(buffer, O_BUFLEN, &log); | |
991 first_error->report(&sbs); | |
992 first_error->_current_step = 0; // reset current_step | |
993 first_error->_current_step_info = ""; // reset current_step string | |
994 | |
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995 // Run error reporting to determine whether or not to report the crash. |
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996 if (!transmit_report_done && should_report_bug(first_error->_id)) { |
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997 transmit_report_done = true; |
10195
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998 FILE* hs_err = os::open(log.fd(), "r"); |
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999 if (NULL != hs_err) { |
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1000 ErrorReporter er; |
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1001 er.call(hs_err, buffer, O_BUFLEN); |
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1002 } |
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1003 } |
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1004 |
0 | 1005 if (log.fd() != defaultStream::output_fd()) { |
1006 close(log.fd()); | |
1007 } | |
1008 | |
1009 log.set_fd(-1); | |
1010 log_done = true; | |
1011 } | |
1012 | |
1013 | |
1014 static bool skip_OnError = false; | |
1015 if (!skip_OnError && OnError && OnError[0]) { | |
1016 skip_OnError = true; | |
1017 | |
1018 out.print_raw_cr("#"); | |
1019 out.print_raw ("# -XX:OnError=\""); | |
1020 out.print_raw (OnError); | |
1021 out.print_raw_cr("\""); | |
1022 | |
1023 char* cmd; | |
1024 const char* ptr = OnError; | |
1025 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ | |
1026 out.print_raw ("# Executing "); | |
3960 | 1027 #if defined(LINUX) || defined(_ALLBSD_SOURCE) |
0 | 1028 out.print_raw ("/bin/sh -c "); |
1029 #elif defined(SOLARIS) | |
1030 out.print_raw ("/usr/bin/sh -c "); | |
1031 #endif | |
1032 out.print_raw ("\""); | |
1033 out.print_raw (cmd); | |
1034 out.print_raw_cr("\" ..."); | |
1035 | |
1036 os::fork_and_exec(cmd); | |
1037 } | |
1038 | |
1039 // done with OnError | |
1040 OnError = NULL; | |
1041 } | |
1042 | |
14232 | 1043 static bool skip_replay = ReplayCompiles; // Do not overwrite file during replay |
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1044 if (DumpReplayDataOnError && _thread && _thread->is_Compiler_thread() && !skip_replay) { |
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1045 skip_replay = true; |
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1046 ciEnv* env = ciEnv::current(); |
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1047 if (env != NULL) { |
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1048 int fd = prepare_log_file(ReplayDataFile, "replay_pid%p.log", buffer, sizeof(buffer)); |
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1049 if (fd != -1) { |
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1050 FILE* replay_data_file = os::open(fd, "w"); |
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1051 if (replay_data_file != NULL) { |
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1052 fileStream replay_data_stream(replay_data_file, /*need_close=*/true); |
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1053 env->dump_replay_data_unsafe(&replay_data_stream); |
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1054 out.print_raw("#\n# Compiler replay data is saved as:\n# "); |
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1055 out.print_raw_cr(buffer); |
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1056 } else { |
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1057 out.print_raw("#\n# Can't open file to dump replay data. Error: "); |
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1058 out.print_raw_cr(strerror(os::get_last_error())); |
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1059 } |
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1060 } |
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1061 } |
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1062 } |
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1063 |
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1064 static bool skip_bug_url = !should_report_bug(first_error->_id); |
0 | 1065 if (!skip_bug_url) { |
1066 skip_bug_url = true; | |
1067 | |
1068 out.print_raw_cr("#"); | |
1069 print_bug_submit_message(&out, _thread); | |
1070 } | |
1071 | |
1072 if (!UseOSErrorReporting) { | |
1073 // os::abort() will call abort hooks, try it first. | |
1074 static bool skip_os_abort = false; | |
1075 if (!skip_os_abort) { | |
1076 skip_os_abort = true; | |
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1077 bool dump_core = should_report_bug(first_error->_id); |
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1078 os::abort(dump_core); |
0 | 1079 } |
1080 | |
1081 // if os::abort() doesn't abort, try os::die(); | |
1082 os::die(); | |
1083 } | |
1084 } | |
1085 | |
1086 /* | |
1087 * OnOutOfMemoryError scripts/commands executed while VM is a safepoint - this | |
1088 * ensures utilities such as jmap can observe the process is a consistent state. | |
1089 */ | |
1090 class VM_ReportJavaOutOfMemory : public VM_Operation { | |
1091 private: | |
1092 VMError *_err; | |
1093 public: | |
1094 VM_ReportJavaOutOfMemory(VMError *err) { _err = err; } | |
1095 VMOp_Type type() const { return VMOp_ReportJavaOutOfMemory; } | |
1096 void doit(); | |
1097 }; | |
1098 | |
1099 void VM_ReportJavaOutOfMemory::doit() { | |
1100 // Don't allocate large buffer on stack | |
1101 static char buffer[O_BUFLEN]; | |
1102 | |
1103 tty->print_cr("#"); | |
1104 tty->print_cr("# java.lang.OutOfMemoryError: %s", _err->message()); | |
1105 tty->print_cr("# -XX:OnOutOfMemoryError=\"%s\"", OnOutOfMemoryError); | |
1106 | |
1107 // make heap parsability | |
1108 Universe::heap()->ensure_parsability(false); // no need to retire TLABs | |
1109 | |
1110 char* cmd; | |
1111 const char* ptr = OnOutOfMemoryError; | |
1112 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ | |
1113 tty->print("# Executing "); | |
1114 #if defined(LINUX) | |
1115 tty->print ("/bin/sh -c "); | |
1116 #elif defined(SOLARIS) | |
1117 tty->print ("/usr/bin/sh -c "); | |
1118 #endif | |
1119 tty->print_cr("\"%s\"...", cmd); | |
1120 | |
1121 os::fork_and_exec(cmd); | |
1122 } | |
1123 } | |
1124 | |
1125 void VMError::report_java_out_of_memory() { | |
1126 if (OnOutOfMemoryError && OnOutOfMemoryError[0]) { | |
1127 MutexLocker ml(Heap_lock); | |
1128 VM_ReportJavaOutOfMemory op(this); | |
1129 VMThread::execute(&op); | |
1130 } | |
1131 } |