Mercurial > hg > truffle
annotate src/share/vm/utilities/vmError.cpp @ 17381:40dce17629ac
correct IfNode probabilities in If-Deopt situations
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Wed, 08 Oct 2014 10:49:53 +0200 |
parents | b1911c1e44c8 |
children | 3eed8712d410 |
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" | |
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27 #include "compiler/disassembler.hpp" |
1972 | 28 #include "gc_interface/collectedHeap.hpp" |
5915 | 29 #include "prims/whitebox.hpp" |
1972 | 30 #include "runtime/arguments.hpp" |
31 #include "runtime/frame.inline.hpp" | |
32 #include "runtime/init.hpp" | |
33 #include "runtime/os.hpp" | |
34 #include "runtime/thread.hpp" | |
35 #include "runtime/vmThread.hpp" | |
36 #include "runtime/vm_operations.hpp" | |
6197 | 37 #include "services/memTracker.hpp" |
1972 | 38 #include "utilities/debug.hpp" |
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39 #include "utilities/decoder.hpp" |
1972 | 40 #include "utilities/defaultStream.hpp" |
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41 #include "utilities/errorReporter.hpp" |
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42 #include "utilities/events.hpp" |
1972 | 43 #include "utilities/top.hpp" |
44 #include "utilities/vmError.hpp" | |
0 | 45 |
46 // List of environment variables that should be reported in error log file. | |
47 const char *env_list[] = { | |
48 // All platforms | |
49 "JAVA_HOME", "JRE_HOME", "JAVA_TOOL_OPTIONS", "_JAVA_OPTIONS", "CLASSPATH", | |
50 "JAVA_COMPILER", "PATH", "USERNAME", | |
51 | |
3960 | 52 // Env variables that are defined on Solaris/Linux/BSD |
0 | 53 "LD_LIBRARY_PATH", "LD_PRELOAD", "SHELL", "DISPLAY", |
54 "HOSTTYPE", "OSTYPE", "ARCH", "MACHTYPE", | |
55 | |
56 // defined on Linux | |
57 "LD_ASSUME_KERNEL", "_JAVA_SR_SIGNUM", | |
58 | |
3960 | 59 // defined on Darwin |
60 "DYLD_LIBRARY_PATH", "DYLD_FALLBACK_LIBRARY_PATH", | |
61 "DYLD_FRAMEWORK_PATH", "DYLD_FALLBACK_FRAMEWORK_PATH", | |
62 "DYLD_INSERT_LIBRARIES", | |
63 | |
0 | 64 // defined on Windows |
65 "OS", "PROCESSOR_IDENTIFIER", "_ALT_JAVA_HOME_DIR", | |
66 | |
67 (const char *)0 | |
68 }; | |
69 | |
70 // Fatal error handler for internal errors and crashes. | |
71 // | |
72 // The default behavior of fatal error handler is to print a brief message | |
73 // to standard out (defaultStream::output_fd()), then save detailed information | |
74 // into an error report file (hs_err_pid<pid>.log) and abort VM. If multiple | |
75 // threads are having troubles at the same time, only one error is reported. | |
76 // The thread that is reporting error will abort VM when it is done, all other | |
77 // threads are blocked forever inside report_and_die(). | |
78 | |
79 // Constructor for crashes | |
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80 VMError::VMError(Thread* thread, unsigned int sig, address pc, void* siginfo, void* context) { |
0 | 81 _thread = thread; |
82 _id = sig; | |
83 _pc = pc; | |
84 _siginfo = siginfo; | |
85 _context = context; | |
86 | |
87 _verbose = false; | |
88 _current_step = 0; | |
89 _current_step_info = NULL; | |
90 | |
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91 _message = NULL; |
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92 _detail_msg = NULL; |
0 | 93 _filename = NULL; |
94 _lineno = 0; | |
95 | |
96 _size = 0; | |
97 } | |
98 | |
99 // Constructor for internal errors | |
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100 VMError::VMError(Thread* thread, const char* filename, int lineno, |
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101 const char* message, const char * detail_msg) |
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102 { |
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103 _thread = thread; |
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104 _id = INTERNAL_ERROR; // Value that's not an OS exception/signal |
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105 _filename = filename; |
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106 _lineno = lineno; |
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107 _message = message; |
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108 _detail_msg = detail_msg; |
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109 |
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110 _verbose = false; |
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111 _current_step = 0; |
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112 _current_step_info = NULL; |
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113 |
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114 _pc = NULL; |
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115 _siginfo = NULL; |
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116 _context = NULL; |
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117 |
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118 _size = 0; |
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119 } |
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120 |
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121 // Constructor for OOM errors |
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122 VMError::VMError(Thread* thread, const char* filename, int lineno, size_t size, |
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123 VMErrorType vm_err_type, const char* message) { |
0 | 124 _thread = thread; |
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125 _id = vm_err_type; // Value that's not an OS exception/signal |
0 | 126 _filename = filename; |
127 _lineno = lineno; | |
128 _message = message; | |
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129 _detail_msg = NULL; |
0 | 130 |
131 _verbose = false; | |
132 _current_step = 0; | |
133 _current_step_info = NULL; | |
134 | |
135 _pc = NULL; | |
136 _siginfo = NULL; | |
137 _context = NULL; | |
138 | |
139 _size = size; | |
140 } | |
141 | |
142 | |
143 // Constructor for non-fatal errors | |
144 VMError::VMError(const char* message) { | |
145 _thread = NULL; | |
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146 _id = INTERNAL_ERROR; // Value that's not an OS exception/signal |
0 | 147 _filename = NULL; |
148 _lineno = 0; | |
149 _message = message; | |
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150 _detail_msg = NULL; |
0 | 151 |
152 _verbose = false; | |
153 _current_step = 0; | |
154 _current_step_info = NULL; | |
155 | |
156 _pc = NULL; | |
157 _siginfo = NULL; | |
158 _context = NULL; | |
159 | |
160 _size = 0; | |
161 } | |
162 | |
163 // -XX:OnError=<string>, where <string> can be a list of commands, separated | |
164 // by ';'. "%p" is replaced by current process id (pid); "%%" is replaced by | |
165 // a single "%". Some examples: | |
166 // | |
167 // -XX:OnError="pmap %p" // show memory map | |
168 // -XX:OnError="gcore %p; dbx - %p" // dump core and launch debugger | |
169 // -XX:OnError="cat hs_err_pid%p.log | mail my_email@sun.com" | |
170 // -XX:OnError="kill -9 %p" // ?#!@# | |
171 | |
172 // A simple parser for -XX:OnError, usage: | |
173 // ptr = OnError; | |
174 // while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr) != NULL) | |
175 // ... ... | |
176 static char* next_OnError_command(char* buf, int buflen, const char** ptr) { | |
177 if (ptr == NULL || *ptr == NULL) return NULL; | |
178 | |
179 const char* cmd = *ptr; | |
180 | |
181 // skip leading blanks or ';' | |
182 while (*cmd == ' ' || *cmd == ';') cmd++; | |
183 | |
184 if (*cmd == '\0') return NULL; | |
185 | |
186 const char * cmdend = cmd; | |
187 while (*cmdend != '\0' && *cmdend != ';') cmdend++; | |
188 | |
189 Arguments::copy_expand_pid(cmd, cmdend - cmd, buf, buflen); | |
190 | |
191 *ptr = (*cmdend == '\0' ? cmdend : cmdend + 1); | |
192 return buf; | |
193 } | |
194 | |
195 | |
196 static void print_bug_submit_message(outputStream *out, Thread *thread) { | |
197 if (out == NULL) return; | |
198 out->print_raw_cr("# If you would like to submit a bug report, please visit:"); | |
199 out->print_raw ("# "); | |
200 out->print_raw_cr(Arguments::java_vendor_url_bug()); | |
201 // If the crash is in native code, encourage user to submit a bug to the | |
202 // provider of that code. | |
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203 if (thread && thread->is_Java_thread() && |
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204 !thread->is_hidden_from_external_view()) { |
0 | 205 JavaThread* jt = (JavaThread*)thread; |
206 if (jt->thread_state() == _thread_in_native) { | |
207 out->print_cr("# The crash happened outside the Java Virtual Machine in native code.\n# See problematic frame for where to report the bug."); | |
208 } | |
209 } | |
210 out->print_raw_cr("#"); | |
211 } | |
212 | |
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213 bool VMError::coredump_status; |
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214 char VMError::coredump_message[O_BUFLEN]; |
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215 |
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216 void VMError::report_coredump_status(const char* message, bool status) { |
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217 coredump_status = status; |
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218 strncpy(coredump_message, message, sizeof(coredump_message)); |
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219 coredump_message[sizeof(coredump_message)-1] = 0; |
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220 } |
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221 |
0 | 222 |
223 // Return a string to describe the error | |
224 char* VMError::error_string(char* buf, int buflen) { | |
225 char signame_buf[64]; | |
226 const char *signame = os::exception_name(_id, signame_buf, sizeof(signame_buf)); | |
227 | |
228 if (signame) { | |
229 jio_snprintf(buf, buflen, | |
230 "%s (0x%x) at pc=" PTR_FORMAT ", pid=%d, tid=" UINTX_FORMAT, | |
231 signame, _id, _pc, | |
232 os::current_process_id(), os::current_thread_id()); | |
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233 } else if (_filename != NULL && _lineno > 0) { |
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234 // skip directory names |
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235 char separator = os::file_separator()[0]; |
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236 const char *p = strrchr(_filename, separator); |
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237 int n = jio_snprintf(buf, buflen, |
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238 "Internal Error at %s:%d, pid=%d, tid=" UINTX_FORMAT, |
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239 p ? p + 1 : _filename, _lineno, |
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240 os::current_process_id(), os::current_thread_id()); |
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241 if (n >= 0 && n < buflen && _message) { |
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242 if (_detail_msg) { |
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243 jio_snprintf(buf + n, buflen - n, "%s%s: %s", |
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244 os::line_separator(), _message, _detail_msg); |
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245 } else { |
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246 jio_snprintf(buf + n, buflen - n, "%sError: %s", |
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247 os::line_separator(), _message); |
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248 } |
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249 } |
0 | 250 } else { |
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251 jio_snprintf(buf, buflen, |
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252 "Internal Error (0x%x), pid=%d, tid=" UINTX_FORMAT, |
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253 _id, os::current_process_id(), os::current_thread_id()); |
0 | 254 } |
255 | |
256 return buf; | |
257 } | |
258 | |
1384 | 259 void VMError::print_stack_trace(outputStream* st, JavaThread* jt, |
260 char* buf, int buflen, bool verbose) { | |
261 #ifdef ZERO | |
262 if (jt->zero_stack()->sp() && jt->top_zero_frame()) { | |
263 // StackFrameStream uses the frame anchor, which may not have | |
264 // been set up. This can be done at any time in Zero, however, | |
265 // so if it hasn't been set up then we just set it up now and | |
266 // clear it again when we're done. | |
267 bool has_last_Java_frame = jt->has_last_Java_frame(); | |
268 if (!has_last_Java_frame) | |
269 jt->set_last_Java_frame(); | |
270 st->print("Java frames:"); | |
271 | |
272 // If the top frame is a Shark frame and the frame anchor isn't | |
273 // set up then it's possible that the information in the frame | |
274 // is garbage: it could be from a previous decache, or it could | |
275 // simply have never been written. So we print a warning... | |
276 StackFrameStream sfs(jt); | |
277 if (!has_last_Java_frame && !sfs.is_done()) { | |
278 if (sfs.current()->zeroframe()->is_shark_frame()) { | |
279 st->print(" (TOP FRAME MAY BE JUNK)"); | |
280 } | |
281 } | |
282 st->cr(); | |
283 | |
284 // Print the frames | |
285 for(int i = 0; !sfs.is_done(); sfs.next(), i++) { | |
286 sfs.current()->zero_print_on_error(i, st, buf, buflen); | |
287 st->cr(); | |
288 } | |
289 | |
290 // Reset the frame anchor if necessary | |
291 if (!has_last_Java_frame) | |
292 jt->reset_last_Java_frame(); | |
293 } | |
294 #else | |
295 if (jt->has_last_Java_frame()) { | |
296 st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)"); | |
297 for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) { | |
298 sfs.current()->print_on_error(st, buf, buflen, verbose); | |
299 st->cr(); | |
300 } | |
301 } | |
302 #endif // ZERO | |
303 } | |
0 | 304 |
305 // This is the main function to report a fatal error. Only one thread can | |
306 // call this function, so we don't need to worry about MT-safety. But it's | |
307 // possible that the error handler itself may crash or die on an internal | |
308 // error, for example, when the stack/heap is badly damaged. We must be | |
309 // able to handle recursive errors that happen inside error handler. | |
310 // | |
311 // Error reporting is done in several steps. If a crash or internal error | |
312 // occurred when reporting an error, the nested signal/exception handler | |
313 // can skip steps that are already (or partially) done. Error reporting will | |
314 // continue from the next step. This allows us to retrieve and print | |
315 // information that may be unsafe to get after a fatal error. If it happens, | |
316 // you may find nested report_and_die() frames when you look at the stack | |
317 // in a debugger. | |
318 // | |
319 // In general, a hang in error handler is much worse than a crash or internal | |
320 // error, as it's harder to recover from a hang. Deadlock can happen if we | |
321 // try to grab a lock that is already owned by current thread, or if the | |
322 // owner is blocked forever (e.g. in os::infinite_sleep()). If possible, the | |
323 // error handler and all the functions it called should avoid grabbing any | |
324 // lock. An important thing to notice is that memory allocation needs a lock. | |
325 // | |
326 // We should avoid using large stack allocated buffers. Many errors happen | |
327 // when stack space is already low. Making things even worse is that there | |
328 // could be nested report_and_die() calls on stack (see above). Only one | |
329 // thread can report error, so large buffers are statically allocated in data | |
330 // segment. | |
331 | |
332 void VMError::report(outputStream* st) { | |
333 # define BEGIN if (_current_step == 0) { _current_step = 1; | |
334 # define STEP(n, s) } if (_current_step < n) { _current_step = n; _current_step_info = s; | |
335 # define END } | |
336 | |
337 // don't allocate large buffer on stack | |
338 static char buf[O_BUFLEN]; | |
339 | |
340 BEGIN | |
341 | |
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342 STEP(10, "(printing fatal error message)") |
0 | 343 |
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344 st->print_cr("#"); |
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345 if (should_report_bug(_id)) { |
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346 st->print_cr("# A fatal error has been detected by the Java Runtime Environment:"); |
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347 } else { |
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348 st->print_cr("# There is insufficient memory for the Java " |
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349 "Runtime Environment to continue."); |
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350 } |
0 | 351 |
352 STEP(15, "(printing type of error)") | |
353 | |
354 switch(_id) { | |
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355 case OOM_MALLOC_ERROR: |
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356 case OOM_MMAP_ERROR: |
0 | 357 if (_size) { |
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358 st->print("# Native memory allocation "); |
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359 st->print((_id == (int)OOM_MALLOC_ERROR) ? "(malloc) failed to allocate " : |
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360 "(mmap) failed to map "); |
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361 jio_snprintf(buf, sizeof(buf), SIZE_FORMAT, _size); |
0 | 362 st->print(buf); |
363 st->print(" bytes"); | |
364 if (_message != NULL) { | |
365 st->print(" for "); | |
366 st->print(_message); | |
367 } | |
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368 st->cr(); |
0 | 369 } else { |
370 if (_message != NULL) | |
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371 st->print("# "); |
0 | 372 st->print_cr(_message); |
373 } | |
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374 // In error file give some solutions |
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375 if (_verbose) { |
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376 st->print_cr("# Possible reasons:"); |
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377 st->print_cr("# The system is out of physical RAM or swap space"); |
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378 st->print_cr("# In 32 bit mode, the process size limit was hit"); |
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379 st->print_cr("# Possible solutions:"); |
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380 st->print_cr("# Reduce memory load on the system"); |
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381 st->print_cr("# Increase physical memory or swap space"); |
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382 st->print_cr("# Check if swap backing store is full"); |
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383 st->print_cr("# Use 64 bit Java on a 64 bit OS"); |
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384 st->print_cr("# Decrease Java heap size (-Xmx/-Xms)"); |
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385 st->print_cr("# Decrease number of Java threads"); |
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386 st->print_cr("# Decrease Java thread stack sizes (-Xss)"); |
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387 st->print_cr("# Set larger code cache with -XX:ReservedCodeCacheSize="); |
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388 st->print_cr("# This output file may be truncated or incomplete."); |
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389 } else { |
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390 return; // that's enough for the screen |
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391 } |
0 | 392 break; |
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393 case INTERNAL_ERROR: |
0 | 394 default: |
395 break; | |
396 } | |
397 | |
398 STEP(20, "(printing exception/signal name)") | |
399 | |
400 st->print_cr("#"); | |
401 st->print("# "); | |
402 // Is it an OS exception/signal? | |
403 if (os::exception_name(_id, buf, sizeof(buf))) { | |
404 st->print("%s", buf); | |
405 st->print(" (0x%x)", _id); // signal number | |
406 st->print(" at pc=" PTR_FORMAT, _pc); | |
407 } else { | |
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408 if (should_report_bug(_id)) { |
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409 st->print("Internal Error"); |
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410 } else { |
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411 st->print("Out of Memory Error"); |
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412 } |
0 | 413 if (_filename != NULL && _lineno > 0) { |
414 #ifdef PRODUCT | |
415 // In product mode chop off pathname? | |
416 char separator = os::file_separator()[0]; | |
417 const char *p = strrchr(_filename, separator); | |
418 const char *file = p ? p+1 : _filename; | |
419 #else | |
420 const char *file = _filename; | |
421 #endif | |
422 size_t len = strlen(file); | |
423 size_t buflen = sizeof(buf); | |
424 | |
425 strncpy(buf, file, buflen); | |
426 if (len + 10 < buflen) { | |
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427 sprintf(buf + len, ":%d", _lineno); |
0 | 428 } |
429 st->print(" (%s)", buf); | |
430 } else { | |
431 st->print(" (0x%x)", _id); | |
432 } | |
433 } | |
434 | |
435 STEP(30, "(printing current thread and pid)") | |
436 | |
437 // process id, thread id | |
438 st->print(", pid=%d", os::current_process_id()); | |
439 st->print(", tid=" UINTX_FORMAT, os::current_thread_id()); | |
440 st->cr(); | |
441 | |
442 STEP(40, "(printing error message)") | |
443 | |
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444 if (should_report_bug(_id)) { // already printed the message. |
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445 // error message |
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446 if (_detail_msg) { |
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447 st->print_cr("# %s: %s", _message ? _message : "Error", _detail_msg); |
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448 } else if (_message) { |
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449 st->print_cr("# Error: %s", _message); |
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450 } |
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451 } |
0 | 452 |
453 STEP(50, "(printing Java version string)") | |
454 | |
455 // VM version | |
456 st->print_cr("#"); | |
473
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457 JDK_Version::current().to_string(buf, sizeof(buf)); |
6181 | 458 const char* runtime_name = JDK_Version::runtime_name() != NULL ? |
459 JDK_Version::runtime_name() : ""; | |
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460 const char* runtime_version = JDK_Version::runtime_version() != NULL ? |
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461 JDK_Version::runtime_version() : ""; |
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462 st->print_cr("# JRE version: %s (%s) (build %s)", runtime_name, buf, runtime_version); |
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463 st->print_cr("# Java VM: %s (%s %s %s %s)", |
0 | 464 Abstract_VM_Version::vm_name(), |
465 Abstract_VM_Version::vm_release(), | |
466 Abstract_VM_Version::vm_info_string(), | |
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467 Abstract_VM_Version::vm_platform_string(), |
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468 UseCompressedOops ? "compressed oops" : "" |
0 | 469 ); |
470 | |
471 STEP(60, "(printing problematic frame)") | |
472 | |
473 // Print current frame if we have a context (i.e. it's a crash) | |
474 if (_context) { | |
475 st->print_cr("# Problematic frame:"); | |
476 st->print("# "); | |
477 frame fr = os::fetch_frame_from_context(_context); | |
478 fr.print_on_error(st, buf, sizeof(buf)); | |
479 st->cr(); | |
480 st->print_cr("#"); | |
481 } | |
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482 STEP(63, "(printing core file information)") |
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483 st->print("# "); |
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484 if (coredump_status) { |
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485 st->print("Core dump written. Default location: %s", coredump_message); |
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486 } else { |
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487 st->print("Failed to write core dump. %s", coredump_message); |
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488 } |
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489 st->print_cr(""); |
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490 st->print_cr("#"); |
0 | 491 |
492 STEP(65, "(printing bug submit message)") | |
493 | |
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494 if (should_report_bug(_id) && _verbose) { |
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495 print_bug_submit_message(st, _thread); |
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496 } |
0 | 497 |
498 STEP(70, "(printing thread)" ) | |
499 | |
500 if (_verbose) { | |
501 st->cr(); | |
502 st->print_cr("--------------- T H R E A D ---------------"); | |
503 st->cr(); | |
504 } | |
505 | |
506 STEP(80, "(printing current thread)" ) | |
507 | |
508 // current thread | |
509 if (_verbose) { | |
510 if (_thread) { | |
511 st->print("Current thread (" PTR_FORMAT "): ", _thread); | |
512 _thread->print_on_error(st, buf, sizeof(buf)); | |
513 st->cr(); | |
514 } else { | |
515 st->print_cr("Current thread is native thread"); | |
516 } | |
517 st->cr(); | |
518 } | |
519 | |
520 STEP(90, "(printing siginfo)" ) | |
521 | |
522 // signal no, signal code, address that caused the fault | |
523 if (_verbose && _siginfo) { | |
524 os::print_siginfo(st, _siginfo); | |
525 st->cr(); | |
526 } | |
527 | |
528 STEP(100, "(printing registers, top of stack, instructions near pc)") | |
529 | |
530 // registers, top of stack, instructions near pc | |
531 if (_verbose && _context) { | |
532 os::print_context(st, _context); | |
533 st->cr(); | |
534 } | |
535 | |
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536 STEP(102, "(printing code blob if possible)") |
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537 |
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538 if (_verbose && _context) { |
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539 address pc = os::get_pc(_context); |
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540 CodeBlob* cb = CodeCache::find_blob(pc); |
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541 if (cb != NULL) { |
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542 if (Interpreter::contains(pc)) { |
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543 // The interpreter CodeBlob is very large so try to print the codelet instead. |
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544 InterpreterCodelet* codelet = Interpreter::codelet_containing(pc); |
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545 if (codelet != NULL) { |
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546 codelet->print_on(st); |
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547 Disassembler::decode(codelet->code_begin(), codelet->code_end(), st); |
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548 } |
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549 } else { |
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550 StubCodeDesc* desc = StubCodeDesc::desc_for(pc); |
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551 if (desc != NULL) { |
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552 desc->print_on(st); |
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553 Disassembler::decode(desc->begin(), desc->end(), st); |
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554 } else { |
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555 Disassembler::decode(cb, st); |
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556 st->cr(); |
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557 } |
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558 } |
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559 } |
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560 } |
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561 |
1907 | 562 STEP(105, "(printing register info)") |
563 | |
564 // decode register contents if possible | |
565 if (_verbose && _context && Universe::is_fully_initialized()) { | |
566 os::print_register_info(st, _context); | |
567 st->cr(); | |
568 } | |
569 | |
0 | 570 STEP(110, "(printing stack bounds)" ) |
571 | |
572 if (_verbose) { | |
573 st->print("Stack: "); | |
574 | |
575 address stack_top; | |
576 size_t stack_size; | |
577 | |
578 if (_thread) { | |
579 stack_top = _thread->stack_base(); | |
580 stack_size = _thread->stack_size(); | |
581 } else { | |
582 stack_top = os::current_stack_base(); | |
583 stack_size = os::current_stack_size(); | |
584 } | |
585 | |
586 address stack_bottom = stack_top - stack_size; | |
587 st->print("[" PTR_FORMAT "," PTR_FORMAT "]", stack_bottom, stack_top); | |
588 | |
589 frame fr = _context ? os::fetch_frame_from_context(_context) | |
590 : os::current_frame(); | |
591 | |
592 if (fr.sp()) { | |
593 st->print(", sp=" PTR_FORMAT, fr.sp()); | |
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594 size_t free_stack_size = pointer_delta(fr.sp(), stack_bottom, 1024); |
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595 st->print(", free space=" SIZE_FORMAT "k", free_stack_size); |
0 | 596 } |
597 | |
598 st->cr(); | |
599 } | |
600 | |
601 STEP(120, "(printing native stack)" ) | |
602 | |
603 if (_verbose) { | |
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604 if (os::platform_print_native_stack(st, _context, buf, sizeof(buf))) { |
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605 // We have printed the native stack in platform-specific code |
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606 // Windows/x64 needs special handling. |
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607 } else { |
0 | 608 frame fr = _context ? os::fetch_frame_from_context(_context) |
609 : os::current_frame(); | |
610 | |
611 // see if it's a valid frame | |
612 if (fr.pc()) { | |
613 st->print_cr("Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)"); | |
614 | |
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615 |
0 | 616 int count = 0; |
617 while (count++ < StackPrintLimit) { | |
618 fr.print_on_error(st, buf, sizeof(buf)); | |
619 st->cr(); | |
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620 // Compiled code may use EBP register on x86 so it looks like |
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621 // non-walkable C frame. Use frame.sender() for java frames. |
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622 if (_thread && _thread->is_Java_thread() && fr.is_java_frame()) { |
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623 RegisterMap map((JavaThread*)_thread, false); // No update |
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624 fr = fr.sender(&map); |
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625 continue; |
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626 } |
0 | 627 if (os::is_first_C_frame(&fr)) break; |
628 fr = os::get_sender_for_C_frame(&fr); | |
629 } | |
630 | |
631 if (count > StackPrintLimit) { | |
632 st->print_cr("...<more frames>..."); | |
633 } | |
634 | |
635 st->cr(); | |
636 } | |
637 } | |
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638 } |
0 | 639 |
640 STEP(130, "(printing Java stack)" ) | |
641 | |
642 if (_verbose && _thread && _thread->is_Java_thread()) { | |
1384 | 643 print_stack_trace(st, (JavaThread*)_thread, buf, sizeof(buf)); |
0 | 644 } |
645 | |
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646 STEP(135, "(printing target Java thread stack)" ) |
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647 |
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648 // printing Java thread stack trace if it is involved in GC crash |
1907 | 649 if (_verbose && _thread && (_thread->is_Named_thread())) { |
1119
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650 JavaThread* jt = ((NamedThread *)_thread)->processed_thread(); |
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651 if (jt != NULL) { |
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652 st->print_cr("JavaThread " PTR_FORMAT " (nid = " UINTX_FORMAT ") was being processed", jt, jt->osthread()->thread_id()); |
1384 | 653 print_stack_trace(st, jt, buf, sizeof(buf), true); |
1119
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654 } |
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655 } |
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656 |
0 | 657 STEP(140, "(printing VM operation)" ) |
658 | |
659 if (_verbose && _thread && _thread->is_VM_thread()) { | |
660 VMThread* t = (VMThread*)_thread; | |
661 VM_Operation* op = t->vm_operation(); | |
662 if (op) { | |
663 op->print_on_error(st); | |
664 st->cr(); | |
665 st->cr(); | |
666 } | |
667 } | |
668 | |
669 STEP(150, "(printing current compile task)" ) | |
670 | |
671 if (_verbose && _thread && _thread->is_Compiler_thread()) { | |
672 CompilerThread* t = (CompilerThread*)_thread; | |
673 if (t->task()) { | |
674 st->cr(); | |
675 st->print_cr("Current CompileTask:"); | |
676 t->task()->print_line_on_error(st, buf, sizeof(buf)); | |
677 st->cr(); | |
678 } | |
679 } | |
680 | |
681 STEP(160, "(printing process)" ) | |
682 | |
683 if (_verbose) { | |
684 st->cr(); | |
685 st->print_cr("--------------- P R O C E S S ---------------"); | |
686 st->cr(); | |
687 } | |
688 | |
689 STEP(170, "(printing all threads)" ) | |
690 | |
691 // all threads | |
692 if (_verbose && _thread) { | |
693 Threads::print_on_error(st, _thread, buf, sizeof(buf)); | |
694 st->cr(); | |
695 } | |
696 | |
697 STEP(175, "(printing VM state)" ) | |
698 | |
699 if (_verbose) { | |
700 // Safepoint state | |
701 st->print("VM state:"); | |
702 | |
703 if (SafepointSynchronize::is_synchronizing()) st->print("synchronizing"); | |
704 else if (SafepointSynchronize::is_at_safepoint()) st->print("at safepoint"); | |
705 else st->print("not at safepoint"); | |
706 | |
707 // Also see if error occurred during initialization or shutdown | |
708 if (!Universe::is_fully_initialized()) { | |
709 st->print(" (not fully initialized)"); | |
710 } else if (VM_Exit::vm_exited()) { | |
711 st->print(" (shutting down)"); | |
712 } else { | |
713 st->print(" (normal execution)"); | |
714 } | |
715 st->cr(); | |
716 st->cr(); | |
717 } | |
718 | |
719 STEP(180, "(printing owned locks on error)" ) | |
720 | |
721 // mutexes/monitors that currently have an owner | |
722 if (_verbose) { | |
723 print_owned_locks_on_error(st); | |
724 st->cr(); | |
725 } | |
726 | |
727 STEP(190, "(printing heap information)" ) | |
728 | |
729 if (_verbose && Universe::is_fully_initialized()) { | |
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730 Universe::heap()->print_on_error(st); |
5984 | 731 st->cr(); |
732 | |
733 st->print_cr("Polling page: " INTPTR_FORMAT, os::get_polling_page()); | |
734 st->cr(); | |
0 | 735 } |
736 | |
1907 | 737 STEP(195, "(printing code cache information)" ) |
738 | |
739 if (_verbose && Universe::is_fully_initialized()) { | |
740 // print code cache information before vm abort | |
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741 CodeCache::print_summary(st); |
1907 | 742 st->cr(); |
743 } | |
744 | |
4872
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745 STEP(200, "(printing ring buffers)" ) |
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746 |
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747 if (_verbose) { |
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748 Events::print_all(st); |
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749 st->cr(); |
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|
750 } |
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751 |
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752 STEP(205, "(printing dynamic libraries)" ) |
0 | 753 |
754 if (_verbose) { | |
755 // dynamic libraries, or memory map | |
756 os::print_dll_info(st); | |
757 st->cr(); | |
758 } | |
759 | |
760 STEP(210, "(printing VM options)" ) | |
761 | |
762 if (_verbose) { | |
763 // VM options | |
764 Arguments::print_on(st); | |
765 st->cr(); | |
766 } | |
767 | |
5915 | 768 STEP(215, "(printing warning if internal testing API used)" ) |
769 | |
770 if (WhiteBox::used()) { | |
771 st->print_cr("Unsupported internal testing APIs have been used."); | |
772 st->cr(); | |
773 } | |
774 | |
0 | 775 STEP(220, "(printing environment variables)" ) |
776 | |
777 if (_verbose) { | |
778 os::print_environment_variables(st, env_list, buf, sizeof(buf)); | |
779 st->cr(); | |
780 } | |
781 | |
782 STEP(225, "(printing signal handlers)" ) | |
783 | |
784 if (_verbose) { | |
785 os::print_signal_handlers(st, buf, sizeof(buf)); | |
786 st->cr(); | |
787 } | |
788 | |
789 STEP(230, "" ) | |
790 | |
791 if (_verbose) { | |
792 st->cr(); | |
793 st->print_cr("--------------- S Y S T E M ---------------"); | |
794 st->cr(); | |
795 } | |
796 | |
797 STEP(240, "(printing OS information)" ) | |
798 | |
799 if (_verbose) { | |
800 os::print_os_info(st); | |
801 st->cr(); | |
802 } | |
803 | |
804 STEP(250, "(printing CPU info)" ) | |
805 if (_verbose) { | |
806 os::print_cpu_info(st); | |
807 st->cr(); | |
808 } | |
809 | |
810 STEP(260, "(printing memory info)" ) | |
811 | |
812 if (_verbose) { | |
813 os::print_memory_info(st); | |
814 st->cr(); | |
815 } | |
816 | |
817 STEP(270, "(printing internal vm info)" ) | |
818 | |
819 if (_verbose) { | |
820 st->print_cr("vm_info: %s", Abstract_VM_Version::internal_vm_info_string()); | |
821 st->cr(); | |
822 } | |
823 | |
824 STEP(280, "(printing date and time)" ) | |
825 | |
826 if (_verbose) { | |
827 os::print_date_and_time(st); | |
828 st->cr(); | |
829 } | |
830 | |
831 END | |
832 | |
833 # undef BEGIN | |
834 # undef STEP | |
835 # undef END | |
836 } | |
837 | |
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838 VMError* volatile VMError::first_error = NULL; |
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839 volatile jlong VMError::first_error_tid = -1; |
0 | 840 |
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841 // An error could happen before tty is initialized or after it has been |
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842 // destroyed. Here we use a very simple unbuffered fdStream for printing. |
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843 // Only out.print_raw() and out.print_raw_cr() should be used, as other |
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844 // printing methods need to allocate large buffer on stack. To format a |
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845 // string, use jio_snprintf() with a static buffer or use staticBufferStream. |
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846 fdStream VMError::out(defaultStream::output_fd()); |
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847 fdStream VMError::log; // error log used by VMError::report_and_die() |
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848 |
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849 /** Expand a pattern into a buffer starting at pos and open a file using constructed path */ |
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850 static int expand_and_open(const char* pattern, char* buf, size_t buflen, size_t pos) { |
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851 int fd = -1; |
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852 if (Arguments::copy_expand_pid(pattern, strlen(pattern), &buf[pos], buflen - pos)) { |
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853 fd = open(buf, O_RDWR | O_CREAT | O_TRUNC, 0666); |
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854 } |
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855 return fd; |
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856 } |
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857 |
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858 /** |
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859 * Construct file name for a log file and return it's file descriptor. |
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860 * Name and location depends on pattern, default_pattern params and access |
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861 * permissions. |
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862 */ |
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863 static int prepare_log_file(const char* pattern, const char* default_pattern, char* buf, size_t buflen) { |
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864 int fd = -1; |
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865 |
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866 // If possible, use specified pattern to construct log file name |
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867 if (pattern != NULL) { |
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868 fd = expand_and_open(pattern, buf, buflen, 0); |
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869 } |
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870 |
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871 // Either user didn't specify, or the user's location failed, |
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872 // so use the default name in the current directory |
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873 if (fd == -1) { |
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874 const char* cwd = os::get_current_directory(buf, buflen); |
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875 if (cwd != NULL) { |
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876 size_t pos = strlen(cwd); |
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877 int fsep_len = jio_snprintf(&buf[pos], buflen-pos, "%s", os::file_separator()); |
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878 pos += fsep_len; |
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879 if (fsep_len > 0) { |
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880 fd = expand_and_open(default_pattern, buf, buflen, pos); |
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881 } |
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882 } |
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883 } |
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884 |
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885 // try temp directory if it exists. |
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886 if (fd == -1) { |
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887 const char* tmpdir = os::get_temp_directory(); |
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888 if (tmpdir != NULL && strlen(tmpdir) > 0) { |
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889 int pos = jio_snprintf(buf, buflen, "%s%s", tmpdir, os::file_separator()); |
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890 if (pos > 0) { |
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891 fd = expand_and_open(default_pattern, buf, buflen, pos); |
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892 } |
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893 } |
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894 } |
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895 |
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896 return fd; |
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897 } |
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898 |
0 | 899 void VMError::report_and_die() { |
900 // Don't allocate large buffer on stack | |
901 static char buffer[O_BUFLEN]; | |
902 | |
903 // How many errors occurred in error handler when reporting first_error. | |
904 static int recursive_error_count; | |
905 | |
906 // We will first print a brief message to standard out (verbose = false), | |
907 // then save detailed information in log file (verbose = true). | |
908 static bool out_done = false; // done printing to standard out | |
909 static bool log_done = false; // done saving error log | |
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910 static bool transmit_report_done = false; // done error reporting |
0 | 911 |
6197 | 912 // disble NMT to avoid further exception |
913 MemTracker::shutdown(MemTracker::NMT_error_reporting); | |
914 | |
0 | 915 if (SuppressFatalErrorMessage) { |
916 os::abort(); | |
917 } | |
918 jlong mytid = os::current_thread_id(); | |
919 if (first_error == NULL && | |
920 Atomic::cmpxchg_ptr(this, &first_error, NULL) == NULL) { | |
921 | |
922 // first time | |
923 first_error_tid = mytid; | |
924 set_error_reported(); | |
925 | |
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926 if (ShowMessageBoxOnError || PauseAtExit) { |
0 | 927 show_message_box(buffer, sizeof(buffer)); |
928 | |
929 // User has asked JVM to abort. Reset ShowMessageBoxOnError so the | |
930 // WatcherThread can kill JVM if the error handler hangs. | |
931 ShowMessageBoxOnError = false; | |
932 } | |
933 | |
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934 // Write a minidump on Windows, check core dump limits on Linux/Solaris |
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935 os::check_or_create_dump(_siginfo, _context, buffer, sizeof(buffer)); |
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936 |
0 | 937 // reset signal handlers or exception filter; make sure recursive crashes |
938 // are handled properly. | |
939 reset_signal_handlers(); | |
940 | |
941 } else { | |
511
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942 // If UseOsErrorReporting we call this for each level of the call stack |
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943 // while searching for the exception handler. Only the first level needs |
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944 // to be reported. |
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945 if (UseOSErrorReporting && log_done) return; |
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946 |
0 | 947 // This is not the first error, see if it happened in a different thread |
948 // or in the same thread during error reporting. | |
949 if (first_error_tid != mytid) { | |
11093 | 950 char msgbuf[64]; |
951 jio_snprintf(msgbuf, sizeof(msgbuf), | |
0 | 952 "[thread " INT64_FORMAT " also had an error]", |
953 mytid); | |
11093 | 954 out.print_raw_cr(msgbuf); |
0 | 955 |
956 // error reporting is not MT-safe, block current thread | |
957 os::infinite_sleep(); | |
958 | |
959 } else { | |
960 if (recursive_error_count++ > 30) { | |
961 out.print_raw_cr("[Too many errors, abort]"); | |
962 os::die(); | |
963 } | |
964 | |
965 jio_snprintf(buffer, sizeof(buffer), | |
966 "[error occurred during error reporting %s, id 0x%x]", | |
967 first_error ? first_error->_current_step_info : "", | |
968 _id); | |
969 if (log.is_open()) { | |
970 log.cr(); | |
971 log.print_raw_cr(buffer); | |
972 log.cr(); | |
973 } else { | |
974 out.cr(); | |
975 out.print_raw_cr(buffer); | |
976 out.cr(); | |
977 } | |
978 } | |
979 } | |
980 | |
981 // print to screen | |
982 if (!out_done) { | |
983 first_error->_verbose = false; | |
984 | |
985 staticBufferStream sbs(buffer, sizeof(buffer), &out); | |
986 first_error->report(&sbs); | |
987 | |
988 out_done = true; | |
989 | |
990 first_error->_current_step = 0; // reset current_step | |
991 first_error->_current_step_info = ""; // reset current_step string | |
992 } | |
993 | |
994 // print to error log file | |
995 if (!log_done) { | |
996 first_error->_verbose = true; | |
997 | |
998 // see if log file is already open | |
999 if (!log.is_open()) { | |
1000 // open log file | |
10195
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1001 int fd = prepare_log_file(ErrorFile, "hs_err_pid%p.log", buffer, sizeof(buffer)); |
0 | 1002 if (fd != -1) { |
1003 out.print_raw("# An error report file with more information is saved as:\n# "); | |
1004 out.print_raw_cr(buffer); | |
1005 os::set_error_file(buffer); | |
1006 | |
1007 log.set_fd(fd); | |
1008 } else { | |
1009 out.print_raw_cr("# Can not save log file, dump to screen.."); | |
1010 log.set_fd(defaultStream::output_fd()); | |
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1011 /* Error reporting currently needs dumpfile. |
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1012 * Maybe implement direct streaming in the future.*/ |
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1013 transmit_report_done = true; |
0 | 1014 } |
1015 } | |
1016 | |
1017 staticBufferStream sbs(buffer, O_BUFLEN, &log); | |
1018 first_error->report(&sbs); | |
1019 first_error->_current_step = 0; // reset current_step | |
1020 first_error->_current_step_info = ""; // reset current_step string | |
1021 | |
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1022 // Run error reporting to determine whether or not to report the crash. |
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1023 if (!transmit_report_done && should_report_bug(first_error->_id)) { |
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1024 transmit_report_done = true; |
10195
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1025 FILE* hs_err = os::open(log.fd(), "r"); |
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1026 if (NULL != hs_err) { |
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1027 ErrorReporter er; |
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1028 er.call(hs_err, buffer, O_BUFLEN); |
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1029 } |
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1030 } |
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1031 |
0 | 1032 if (log.fd() != defaultStream::output_fd()) { |
1033 close(log.fd()); | |
1034 } | |
1035 | |
1036 log.set_fd(-1); | |
1037 log_done = true; | |
1038 } | |
1039 | |
1040 | |
1041 static bool skip_OnError = false; | |
1042 if (!skip_OnError && OnError && OnError[0]) { | |
1043 skip_OnError = true; | |
1044 | |
1045 out.print_raw_cr("#"); | |
1046 out.print_raw ("# -XX:OnError=\""); | |
1047 out.print_raw (OnError); | |
1048 out.print_raw_cr("\""); | |
1049 | |
1050 char* cmd; | |
1051 const char* ptr = OnError; | |
1052 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ | |
1053 out.print_raw ("# Executing "); | |
3960 | 1054 #if defined(LINUX) || defined(_ALLBSD_SOURCE) |
0 | 1055 out.print_raw ("/bin/sh -c "); |
1056 #elif defined(SOLARIS) | |
1057 out.print_raw ("/usr/bin/sh -c "); | |
1058 #endif | |
1059 out.print_raw ("\""); | |
1060 out.print_raw (cmd); | |
1061 out.print_raw_cr("\" ..."); | |
1062 | |
1063 os::fork_and_exec(cmd); | |
1064 } | |
1065 | |
1066 // done with OnError | |
1067 OnError = NULL; | |
1068 } | |
1069 | |
14909 | 1070 static bool skip_replay = false; |
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1071 if (DumpReplayDataOnError && _thread && _thread->is_Compiler_thread() && !skip_replay) { |
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1072 skip_replay = true; |
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1073 ciEnv* env = ciEnv::current(); |
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1074 if (env != NULL) { |
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1075 int fd = prepare_log_file(ReplayDataFile, "replay_pid%p.log", buffer, sizeof(buffer)); |
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1076 if (fd != -1) { |
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1077 FILE* replay_data_file = os::open(fd, "w"); |
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1078 if (replay_data_file != NULL) { |
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1079 fileStream replay_data_stream(replay_data_file, /*need_close=*/true); |
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1080 env->dump_replay_data_unsafe(&replay_data_stream); |
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1081 out.print_raw("#\n# Compiler replay data is saved as:\n# "); |
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1082 out.print_raw_cr(buffer); |
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1083 } else { |
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1084 out.print_raw("#\n# Can't open file to dump replay data. Error: "); |
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1085 out.print_raw_cr(strerror(os::get_last_error())); |
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1086 } |
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1087 } |
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1088 } |
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1089 } |
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1090 |
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1091 static bool skip_bug_url = !should_report_bug(first_error->_id); |
0 | 1092 if (!skip_bug_url) { |
1093 skip_bug_url = true; | |
1094 | |
1095 out.print_raw_cr("#"); | |
1096 print_bug_submit_message(&out, _thread); | |
1097 } | |
1098 | |
1099 if (!UseOSErrorReporting) { | |
1100 // os::abort() will call abort hooks, try it first. | |
1101 static bool skip_os_abort = false; | |
1102 if (!skip_os_abort) { | |
1103 skip_os_abort = true; | |
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1104 bool dump_core = should_report_bug(first_error->_id); |
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1105 os::abort(dump_core); |
0 | 1106 } |
1107 | |
1108 // if os::abort() doesn't abort, try os::die(); | |
1109 os::die(); | |
1110 } | |
1111 } | |
1112 | |
1113 /* | |
1114 * OnOutOfMemoryError scripts/commands executed while VM is a safepoint - this | |
1115 * ensures utilities such as jmap can observe the process is a consistent state. | |
1116 */ | |
1117 class VM_ReportJavaOutOfMemory : public VM_Operation { | |
1118 private: | |
1119 VMError *_err; | |
1120 public: | |
1121 VM_ReportJavaOutOfMemory(VMError *err) { _err = err; } | |
1122 VMOp_Type type() const { return VMOp_ReportJavaOutOfMemory; } | |
1123 void doit(); | |
1124 }; | |
1125 | |
1126 void VM_ReportJavaOutOfMemory::doit() { | |
1127 // Don't allocate large buffer on stack | |
1128 static char buffer[O_BUFLEN]; | |
1129 | |
1130 tty->print_cr("#"); | |
1131 tty->print_cr("# java.lang.OutOfMemoryError: %s", _err->message()); | |
1132 tty->print_cr("# -XX:OnOutOfMemoryError=\"%s\"", OnOutOfMemoryError); | |
1133 | |
1134 // make heap parsability | |
1135 Universe::heap()->ensure_parsability(false); // no need to retire TLABs | |
1136 | |
1137 char* cmd; | |
1138 const char* ptr = OnOutOfMemoryError; | |
1139 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ | |
1140 tty->print("# Executing "); | |
1141 #if defined(LINUX) | |
1142 tty->print ("/bin/sh -c "); | |
1143 #elif defined(SOLARIS) | |
1144 tty->print ("/usr/bin/sh -c "); | |
1145 #endif | |
1146 tty->print_cr("\"%s\"...", cmd); | |
1147 | |
1148 os::fork_and_exec(cmd); | |
1149 } | |
1150 } | |
1151 | |
1152 void VMError::report_java_out_of_memory() { | |
1153 if (OnOutOfMemoryError && OnOutOfMemoryError[0]) { | |
1154 MutexLocker ml(Heap_lock); | |
1155 VM_ReportJavaOutOfMemory op(this); | |
1156 VMThread::execute(&op); | |
1157 } | |
1158 } |