Mercurial > hg > graal-compiler
annotate src/share/vm/utilities/vmError.cpp @ 21814:5f07d936a14e
8058982: Better verification of an exceptional invokespecial
Summary: Throw VerifyError for illegal accesses
Reviewed-by: acorn, ahgross, coleenp
author | hseigel |
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date | Mon, 20 Oct 2014 15:14:56 -0400 |
parents | f73af4455d7d |
children | 52b4284cb496 d22136881b85 d7b6bdd51abe |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2003, 2014, 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 |
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45 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
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46 |
0 | 47 // List of environment variables that should be reported in error log file. |
48 const char *env_list[] = { | |
49 // All platforms | |
50 "JAVA_HOME", "JRE_HOME", "JAVA_TOOL_OPTIONS", "_JAVA_OPTIONS", "CLASSPATH", | |
51 "JAVA_COMPILER", "PATH", "USERNAME", | |
52 | |
3960 | 53 // Env variables that are defined on Solaris/Linux/BSD |
0 | 54 "LD_LIBRARY_PATH", "LD_PRELOAD", "SHELL", "DISPLAY", |
55 "HOSTTYPE", "OSTYPE", "ARCH", "MACHTYPE", | |
56 | |
57 // defined on Linux | |
58 "LD_ASSUME_KERNEL", "_JAVA_SR_SIGNUM", | |
59 | |
3960 | 60 // defined on Darwin |
61 "DYLD_LIBRARY_PATH", "DYLD_FALLBACK_LIBRARY_PATH", | |
62 "DYLD_FRAMEWORK_PATH", "DYLD_FALLBACK_FRAMEWORK_PATH", | |
63 "DYLD_INSERT_LIBRARIES", | |
64 | |
0 | 65 // defined on Windows |
66 "OS", "PROCESSOR_IDENTIFIER", "_ALT_JAVA_HOME_DIR", | |
67 | |
68 (const char *)0 | |
69 }; | |
70 | |
71 // Fatal error handler for internal errors and crashes. | |
72 // | |
73 // The default behavior of fatal error handler is to print a brief message | |
74 // to standard out (defaultStream::output_fd()), then save detailed information | |
75 // into an error report file (hs_err_pid<pid>.log) and abort VM. If multiple | |
76 // threads are having troubles at the same time, only one error is reported. | |
77 // The thread that is reporting error will abort VM when it is done, all other | |
78 // threads are blocked forever inside report_and_die(). | |
79 | |
80 // Constructor for crashes | |
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81 VMError::VMError(Thread* thread, unsigned int sig, address pc, void* siginfo, void* context) { |
0 | 82 _thread = thread; |
83 _id = sig; | |
84 _pc = pc; | |
85 _siginfo = siginfo; | |
86 _context = context; | |
87 | |
88 _verbose = false; | |
89 _current_step = 0; | |
90 _current_step_info = NULL; | |
91 | |
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92 _message = NULL; |
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93 _detail_msg = NULL; |
0 | 94 _filename = NULL; |
95 _lineno = 0; | |
96 | |
97 _size = 0; | |
98 } | |
99 | |
100 // Constructor for internal errors | |
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101 VMError::VMError(Thread* thread, const char* filename, int lineno, |
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102 const char* message, const char * detail_msg) |
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103 { |
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104 _thread = thread; |
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105 _id = INTERNAL_ERROR; // Value that's not an OS exception/signal |
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106 _filename = filename; |
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107 _lineno = lineno; |
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108 _message = message; |
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109 _detail_msg = detail_msg; |
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110 |
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111 _verbose = false; |
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112 _current_step = 0; |
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113 _current_step_info = NULL; |
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114 |
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115 _pc = NULL; |
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116 _siginfo = NULL; |
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117 _context = NULL; |
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118 |
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119 _size = 0; |
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120 } |
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121 |
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122 // Constructor for OOM errors |
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123 VMError::VMError(Thread* thread, const char* filename, int lineno, size_t size, |
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124 VMErrorType vm_err_type, const char* message) { |
0 | 125 _thread = thread; |
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126 _id = vm_err_type; // Value that's not an OS exception/signal |
0 | 127 _filename = filename; |
128 _lineno = lineno; | |
129 _message = message; | |
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130 _detail_msg = NULL; |
0 | 131 |
132 _verbose = false; | |
133 _current_step = 0; | |
134 _current_step_info = NULL; | |
135 | |
136 _pc = NULL; | |
137 _siginfo = NULL; | |
138 _context = NULL; | |
139 | |
140 _size = size; | |
141 } | |
142 | |
143 | |
144 // Constructor for non-fatal errors | |
145 VMError::VMError(const char* message) { | |
146 _thread = NULL; | |
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147 _id = INTERNAL_ERROR; // Value that's not an OS exception/signal |
0 | 148 _filename = NULL; |
149 _lineno = 0; | |
150 _message = message; | |
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151 _detail_msg = NULL; |
0 | 152 |
153 _verbose = false; | |
154 _current_step = 0; | |
155 _current_step_info = NULL; | |
156 | |
157 _pc = NULL; | |
158 _siginfo = NULL; | |
159 _context = NULL; | |
160 | |
161 _size = 0; | |
162 } | |
163 | |
164 // -XX:OnError=<string>, where <string> can be a list of commands, separated | |
165 // by ';'. "%p" is replaced by current process id (pid); "%%" is replaced by | |
166 // a single "%". Some examples: | |
167 // | |
168 // -XX:OnError="pmap %p" // show memory map | |
169 // -XX:OnError="gcore %p; dbx - %p" // dump core and launch debugger | |
170 // -XX:OnError="cat hs_err_pid%p.log | mail my_email@sun.com" | |
171 // -XX:OnError="kill -9 %p" // ?#!@# | |
172 | |
173 // A simple parser for -XX:OnError, usage: | |
174 // ptr = OnError; | |
175 // while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr) != NULL) | |
176 // ... ... | |
177 static char* next_OnError_command(char* buf, int buflen, const char** ptr) { | |
178 if (ptr == NULL || *ptr == NULL) return NULL; | |
179 | |
180 const char* cmd = *ptr; | |
181 | |
182 // skip leading blanks or ';' | |
183 while (*cmd == ' ' || *cmd == ';') cmd++; | |
184 | |
185 if (*cmd == '\0') return NULL; | |
186 | |
187 const char * cmdend = cmd; | |
188 while (*cmdend != '\0' && *cmdend != ';') cmdend++; | |
189 | |
190 Arguments::copy_expand_pid(cmd, cmdend - cmd, buf, buflen); | |
191 | |
192 *ptr = (*cmdend == '\0' ? cmdend : cmdend + 1); | |
193 return buf; | |
194 } | |
195 | |
196 | |
197 static void print_bug_submit_message(outputStream *out, Thread *thread) { | |
198 if (out == NULL) return; | |
199 out->print_raw_cr("# If you would like to submit a bug report, please visit:"); | |
200 out->print_raw ("# "); | |
201 out->print_raw_cr(Arguments::java_vendor_url_bug()); | |
202 // If the crash is in native code, encourage user to submit a bug to the | |
203 // provider of that code. | |
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204 if (thread && thread->is_Java_thread() && |
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205 !thread->is_hidden_from_external_view()) { |
0 | 206 JavaThread* jt = (JavaThread*)thread; |
207 if (jt->thread_state() == _thread_in_native) { | |
208 out->print_cr("# The crash happened outside the Java Virtual Machine in native code.\n# See problematic frame for where to report the bug."); | |
209 } | |
210 } | |
211 out->print_raw_cr("#"); | |
212 } | |
213 | |
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214 bool VMError::coredump_status; |
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215 char VMError::coredump_message[O_BUFLEN]; |
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216 |
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217 void VMError::report_coredump_status(const char* message, bool status) { |
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218 coredump_status = status; |
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219 strncpy(coredump_message, message, sizeof(coredump_message)); |
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220 coredump_message[sizeof(coredump_message)-1] = 0; |
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221 } |
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222 |
0 | 223 |
224 // Return a string to describe the error | |
225 char* VMError::error_string(char* buf, int buflen) { | |
226 char signame_buf[64]; | |
227 const char *signame = os::exception_name(_id, signame_buf, sizeof(signame_buf)); | |
228 | |
229 if (signame) { | |
230 jio_snprintf(buf, buflen, | |
231 "%s (0x%x) at pc=" PTR_FORMAT ", pid=%d, tid=" UINTX_FORMAT, | |
232 signame, _id, _pc, | |
233 os::current_process_id(), os::current_thread_id()); | |
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234 } else if (_filename != NULL && _lineno > 0) { |
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235 // skip directory names |
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236 char separator = os::file_separator()[0]; |
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237 const char *p = strrchr(_filename, separator); |
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238 int n = jio_snprintf(buf, buflen, |
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239 "Internal Error at %s:%d, pid=%d, tid=" UINTX_FORMAT, |
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240 p ? p + 1 : _filename, _lineno, |
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241 os::current_process_id(), os::current_thread_id()); |
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242 if (n >= 0 && n < buflen && _message) { |
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243 if (_detail_msg) { |
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244 jio_snprintf(buf + n, buflen - n, "%s%s: %s", |
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245 os::line_separator(), _message, _detail_msg); |
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246 } else { |
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247 jio_snprintf(buf + n, buflen - n, "%sError: %s", |
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248 os::line_separator(), _message); |
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249 } |
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250 } |
0 | 251 } else { |
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252 jio_snprintf(buf, buflen, |
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253 "Internal Error (0x%x), pid=%d, tid=" UINTX_FORMAT, |
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254 _id, os::current_process_id(), os::current_thread_id()); |
0 | 255 } |
256 | |
257 return buf; | |
258 } | |
259 | |
1384 | 260 void VMError::print_stack_trace(outputStream* st, JavaThread* jt, |
261 char* buf, int buflen, bool verbose) { | |
262 #ifdef ZERO | |
263 if (jt->zero_stack()->sp() && jt->top_zero_frame()) { | |
264 // StackFrameStream uses the frame anchor, which may not have | |
265 // been set up. This can be done at any time in Zero, however, | |
266 // so if it hasn't been set up then we just set it up now and | |
267 // clear it again when we're done. | |
268 bool has_last_Java_frame = jt->has_last_Java_frame(); | |
269 if (!has_last_Java_frame) | |
270 jt->set_last_Java_frame(); | |
271 st->print("Java frames:"); | |
272 | |
273 // If the top frame is a Shark frame and the frame anchor isn't | |
274 // set up then it's possible that the information in the frame | |
275 // is garbage: it could be from a previous decache, or it could | |
276 // simply have never been written. So we print a warning... | |
277 StackFrameStream sfs(jt); | |
278 if (!has_last_Java_frame && !sfs.is_done()) { | |
279 if (sfs.current()->zeroframe()->is_shark_frame()) { | |
280 st->print(" (TOP FRAME MAY BE JUNK)"); | |
281 } | |
282 } | |
283 st->cr(); | |
284 | |
285 // Print the frames | |
286 for(int i = 0; !sfs.is_done(); sfs.next(), i++) { | |
287 sfs.current()->zero_print_on_error(i, st, buf, buflen); | |
288 st->cr(); | |
289 } | |
290 | |
291 // Reset the frame anchor if necessary | |
292 if (!has_last_Java_frame) | |
293 jt->reset_last_Java_frame(); | |
294 } | |
295 #else | |
296 if (jt->has_last_Java_frame()) { | |
297 st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)"); | |
298 for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) { | |
299 sfs.current()->print_on_error(st, buf, buflen, verbose); | |
300 st->cr(); | |
301 } | |
302 } | |
303 #endif // ZERO | |
304 } | |
0 | 305 |
306 // This is the main function to report a fatal error. Only one thread can | |
307 // call this function, so we don't need to worry about MT-safety. But it's | |
308 // possible that the error handler itself may crash or die on an internal | |
309 // error, for example, when the stack/heap is badly damaged. We must be | |
310 // able to handle recursive errors that happen inside error handler. | |
311 // | |
312 // Error reporting is done in several steps. If a crash or internal error | |
313 // occurred when reporting an error, the nested signal/exception handler | |
314 // can skip steps that are already (or partially) done. Error reporting will | |
315 // continue from the next step. This allows us to retrieve and print | |
316 // information that may be unsafe to get after a fatal error. If it happens, | |
317 // you may find nested report_and_die() frames when you look at the stack | |
318 // in a debugger. | |
319 // | |
320 // In general, a hang in error handler is much worse than a crash or internal | |
321 // error, as it's harder to recover from a hang. Deadlock can happen if we | |
322 // try to grab a lock that is already owned by current thread, or if the | |
323 // owner is blocked forever (e.g. in os::infinite_sleep()). If possible, the | |
324 // error handler and all the functions it called should avoid grabbing any | |
325 // lock. An important thing to notice is that memory allocation needs a lock. | |
326 // | |
327 // We should avoid using large stack allocated buffers. Many errors happen | |
328 // when stack space is already low. Making things even worse is that there | |
329 // could be nested report_and_die() calls on stack (see above). Only one | |
330 // thread can report error, so large buffers are statically allocated in data | |
331 // segment. | |
332 | |
333 void VMError::report(outputStream* st) { | |
334 # define BEGIN if (_current_step == 0) { _current_step = 1; | |
335 # define STEP(n, s) } if (_current_step < n) { _current_step = n; _current_step_info = s; | |
336 # define END } | |
337 | |
338 // don't allocate large buffer on stack | |
339 static char buf[O_BUFLEN]; | |
340 | |
341 BEGIN | |
342 | |
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343 STEP(10, "(printing fatal error message)") |
0 | 344 |
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345 st->print_cr("#"); |
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346 if (should_report_bug(_id)) { |
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347 st->print_cr("# A fatal error has been detected by the Java Runtime Environment:"); |
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348 } else { |
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349 st->print_cr("# There is insufficient memory for the Java " |
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350 "Runtime Environment to continue."); |
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351 } |
0 | 352 |
353 STEP(15, "(printing type of error)") | |
354 | |
355 switch(_id) { | |
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356 case OOM_MALLOC_ERROR: |
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357 case OOM_MMAP_ERROR: |
0 | 358 if (_size) { |
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359 st->print("# Native memory allocation "); |
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360 st->print((_id == (int)OOM_MALLOC_ERROR) ? "(malloc) failed to allocate " : |
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361 "(mmap) failed to map "); |
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362 jio_snprintf(buf, sizeof(buf), SIZE_FORMAT, _size); |
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363 st->print("%s", buf); |
0 | 364 st->print(" bytes"); |
365 if (_message != NULL) { | |
366 st->print(" for "); | |
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367 st->print("%s", _message); |
0 | 368 } |
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369 st->cr(); |
0 | 370 } else { |
371 if (_message != NULL) | |
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372 st->print("# "); |
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373 st->print_cr("%s", _message); |
0 | 374 } |
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375 // In error file give some solutions |
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376 if (_verbose) { |
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377 st->print_cr("# Possible reasons:"); |
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378 st->print_cr("# The system is out of physical RAM or swap space"); |
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379 st->print_cr("# In 32 bit mode, the process size limit was hit"); |
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380 st->print_cr("# Possible solutions:"); |
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381 st->print_cr("# Reduce memory load on the system"); |
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382 st->print_cr("# Increase physical memory or swap space"); |
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383 st->print_cr("# Check if swap backing store is full"); |
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384 st->print_cr("# Use 64 bit Java on a 64 bit OS"); |
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385 st->print_cr("# Decrease Java heap size (-Xmx/-Xms)"); |
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386 st->print_cr("# Decrease number of Java threads"); |
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387 st->print_cr("# Decrease Java thread stack sizes (-Xss)"); |
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388 st->print_cr("# Set larger code cache with -XX:ReservedCodeCacheSize="); |
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389 st->print_cr("# This output file may be truncated or incomplete."); |
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390 } else { |
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391 return; // that's enough for the screen |
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392 } |
0 | 393 break; |
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394 case INTERNAL_ERROR: |
0 | 395 default: |
396 break; | |
397 } | |
398 | |
399 STEP(20, "(printing exception/signal name)") | |
400 | |
401 st->print_cr("#"); | |
402 st->print("# "); | |
403 // Is it an OS exception/signal? | |
404 if (os::exception_name(_id, buf, sizeof(buf))) { | |
405 st->print("%s", buf); | |
406 st->print(" (0x%x)", _id); // signal number | |
407 st->print(" at pc=" PTR_FORMAT, _pc); | |
408 } else { | |
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409 if (should_report_bug(_id)) { |
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410 st->print("Internal Error"); |
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411 } else { |
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412 st->print("Out of Memory Error"); |
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413 } |
0 | 414 if (_filename != NULL && _lineno > 0) { |
415 #ifdef PRODUCT | |
416 // In product mode chop off pathname? | |
417 char separator = os::file_separator()[0]; | |
418 const char *p = strrchr(_filename, separator); | |
419 const char *file = p ? p+1 : _filename; | |
420 #else | |
421 const char *file = _filename; | |
422 #endif | |
423 size_t len = strlen(file); | |
424 size_t buflen = sizeof(buf); | |
425 | |
426 strncpy(buf, file, buflen); | |
427 if (len + 10 < buflen) { | |
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428 sprintf(buf + len, ":%d", _lineno); |
0 | 429 } |
430 st->print(" (%s)", buf); | |
431 } else { | |
432 st->print(" (0x%x)", _id); | |
433 } | |
434 } | |
435 | |
436 STEP(30, "(printing current thread and pid)") | |
437 | |
438 // process id, thread id | |
439 st->print(", pid=%d", os::current_process_id()); | |
440 st->print(", tid=" UINTX_FORMAT, os::current_thread_id()); | |
441 st->cr(); | |
442 | |
443 STEP(40, "(printing error message)") | |
444 | |
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445 if (should_report_bug(_id)) { // already printed the message. |
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446 // error message |
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447 if (_detail_msg) { |
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448 st->print_cr("# %s: %s", _message ? _message : "Error", _detail_msg); |
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449 } else if (_message) { |
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450 st->print_cr("# Error: %s", _message); |
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451 } |
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452 } |
0 | 453 |
454 STEP(50, "(printing Java version string)") | |
455 | |
456 // VM version | |
457 st->print_cr("#"); | |
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458 JDK_Version::current().to_string(buf, sizeof(buf)); |
6181 | 459 const char* runtime_name = JDK_Version::runtime_name() != NULL ? |
460 JDK_Version::runtime_name() : ""; | |
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461 const char* runtime_version = JDK_Version::runtime_version() != NULL ? |
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462 JDK_Version::runtime_version() : ""; |
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463 st->print_cr("# JRE version: %s (%s) (build %s)", runtime_name, buf, runtime_version); |
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464 st->print_cr("# Java VM: %s (%s %s %s %s)", |
0 | 465 Abstract_VM_Version::vm_name(), |
466 Abstract_VM_Version::vm_release(), | |
467 Abstract_VM_Version::vm_info_string(), | |
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468 Abstract_VM_Version::vm_platform_string(), |
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469 UseCompressedOops ? "compressed oops" : "" |
0 | 470 ); |
471 | |
472 STEP(60, "(printing problematic frame)") | |
473 | |
474 // Print current frame if we have a context (i.e. it's a crash) | |
475 if (_context) { | |
476 st->print_cr("# Problematic frame:"); | |
477 st->print("# "); | |
478 frame fr = os::fetch_frame_from_context(_context); | |
479 fr.print_on_error(st, buf, sizeof(buf)); | |
480 st->cr(); | |
481 st->print_cr("#"); | |
482 } | |
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483 STEP(63, "(printing core file information)") |
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484 st->print("# "); |
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485 if (coredump_status) { |
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486 st->print("Core dump written. Default location: %s", coredump_message); |
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487 } else { |
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488 st->print("Failed to write core dump. %s", coredump_message); |
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489 } |
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490 st->cr(); |
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491 st->print_cr("#"); |
0 | 492 |
493 STEP(65, "(printing bug submit message)") | |
494 | |
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495 if (should_report_bug(_id) && _verbose) { |
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496 print_bug_submit_message(st, _thread); |
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497 } |
0 | 498 |
499 STEP(70, "(printing thread)" ) | |
500 | |
501 if (_verbose) { | |
502 st->cr(); | |
503 st->print_cr("--------------- T H R E A D ---------------"); | |
504 st->cr(); | |
505 } | |
506 | |
507 STEP(80, "(printing current thread)" ) | |
508 | |
509 // current thread | |
510 if (_verbose) { | |
511 if (_thread) { | |
512 st->print("Current thread (" PTR_FORMAT "): ", _thread); | |
513 _thread->print_on_error(st, buf, sizeof(buf)); | |
514 st->cr(); | |
515 } else { | |
516 st->print_cr("Current thread is native thread"); | |
517 } | |
518 st->cr(); | |
519 } | |
520 | |
521 STEP(90, "(printing siginfo)" ) | |
522 | |
523 // signal no, signal code, address that caused the fault | |
524 if (_verbose && _siginfo) { | |
525 os::print_siginfo(st, _siginfo); | |
526 st->cr(); | |
527 } | |
528 | |
529 STEP(100, "(printing registers, top of stack, instructions near pc)") | |
530 | |
531 // registers, top of stack, instructions near pc | |
532 if (_verbose && _context) { | |
533 os::print_context(st, _context); | |
534 st->cr(); | |
535 } | |
536 | |
1907 | 537 STEP(105, "(printing register info)") |
538 | |
539 // decode register contents if possible | |
540 if (_verbose && _context && Universe::is_fully_initialized()) { | |
541 os::print_register_info(st, _context); | |
542 st->cr(); | |
543 } | |
544 | |
0 | 545 STEP(110, "(printing stack bounds)" ) |
546 | |
547 if (_verbose) { | |
548 st->print("Stack: "); | |
549 | |
550 address stack_top; | |
551 size_t stack_size; | |
552 | |
553 if (_thread) { | |
554 stack_top = _thread->stack_base(); | |
555 stack_size = _thread->stack_size(); | |
556 } else { | |
557 stack_top = os::current_stack_base(); | |
558 stack_size = os::current_stack_size(); | |
559 } | |
560 | |
561 address stack_bottom = stack_top - stack_size; | |
562 st->print("[" PTR_FORMAT "," PTR_FORMAT "]", stack_bottom, stack_top); | |
563 | |
564 frame fr = _context ? os::fetch_frame_from_context(_context) | |
565 : os::current_frame(); | |
566 | |
567 if (fr.sp()) { | |
568 st->print(", sp=" PTR_FORMAT, fr.sp()); | |
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569 size_t free_stack_size = pointer_delta(fr.sp(), stack_bottom, 1024); |
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570 st->print(", free space=" SIZE_FORMAT "k", free_stack_size); |
0 | 571 } |
572 | |
573 st->cr(); | |
574 } | |
575 | |
576 STEP(120, "(printing native stack)" ) | |
577 | |
578 if (_verbose) { | |
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579 if (os::platform_print_native_stack(st, _context, buf, sizeof(buf))) { |
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580 // We have printed the native stack in platform-specific code |
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581 // Windows/x64 needs special handling. |
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582 } else { |
0 | 583 frame fr = _context ? os::fetch_frame_from_context(_context) |
584 : os::current_frame(); | |
585 | |
586 // see if it's a valid frame | |
587 if (fr.pc()) { | |
588 st->print_cr("Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)"); | |
589 | |
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590 |
0 | 591 int count = 0; |
592 while (count++ < StackPrintLimit) { | |
593 fr.print_on_error(st, buf, sizeof(buf)); | |
594 st->cr(); | |
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595 // Compiled code may use EBP register on x86 so it looks like |
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596 // non-walkable C frame. Use frame.sender() for java frames. |
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597 if (_thread && _thread->is_Java_thread()) { |
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598 // Catch very first native frame by using stack address. |
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599 // For JavaThread stack_base and stack_size should be set. |
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600 if (!_thread->on_local_stack((address)(fr.sender_sp() + 1))) { |
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601 break; |
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602 } |
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603 if (fr.is_java_frame()) { |
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604 RegisterMap map((JavaThread*)_thread, false); // No update |
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605 fr = fr.sender(&map); |
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606 } else { |
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607 fr = os::get_sender_for_C_frame(&fr); |
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608 } |
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609 } else { |
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610 // is_first_C_frame() does only simple checks for frame pointer, |
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611 // it will pass if java compiled code has a pointer in EBP. |
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612 if (os::is_first_C_frame(&fr)) break; |
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613 fr = os::get_sender_for_C_frame(&fr); |
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614 } |
0 | 615 } |
616 | |
617 if (count > StackPrintLimit) { | |
618 st->print_cr("...<more frames>..."); | |
619 } | |
620 | |
621 st->cr(); | |
622 } | |
623 } | |
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624 } |
0 | 625 |
626 STEP(130, "(printing Java stack)" ) | |
627 | |
628 if (_verbose && _thread && _thread->is_Java_thread()) { | |
1384 | 629 print_stack_trace(st, (JavaThread*)_thread, buf, sizeof(buf)); |
0 | 630 } |
631 | |
1119
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632 STEP(135, "(printing target Java thread stack)" ) |
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633 |
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634 // printing Java thread stack trace if it is involved in GC crash |
1907 | 635 if (_verbose && _thread && (_thread->is_Named_thread())) { |
1119
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636 JavaThread* jt = ((NamedThread *)_thread)->processed_thread(); |
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637 if (jt != NULL) { |
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638 st->print_cr("JavaThread " PTR_FORMAT " (nid = " UINTX_FORMAT ") was being processed", jt, jt->osthread()->thread_id()); |
1384 | 639 print_stack_trace(st, jt, buf, sizeof(buf), true); |
1119
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640 } |
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641 } |
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|
642 |
0 | 643 STEP(140, "(printing VM operation)" ) |
644 | |
645 if (_verbose && _thread && _thread->is_VM_thread()) { | |
646 VMThread* t = (VMThread*)_thread; | |
647 VM_Operation* op = t->vm_operation(); | |
648 if (op) { | |
649 op->print_on_error(st); | |
650 st->cr(); | |
651 st->cr(); | |
652 } | |
653 } | |
654 | |
655 STEP(150, "(printing current compile task)" ) | |
656 | |
657 if (_verbose && _thread && _thread->is_Compiler_thread()) { | |
658 CompilerThread* t = (CompilerThread*)_thread; | |
659 if (t->task()) { | |
660 st->cr(); | |
661 st->print_cr("Current CompileTask:"); | |
662 t->task()->print_line_on_error(st, buf, sizeof(buf)); | |
663 st->cr(); | |
664 } | |
665 } | |
666 | |
667 STEP(160, "(printing process)" ) | |
668 | |
669 if (_verbose) { | |
670 st->cr(); | |
671 st->print_cr("--------------- P R O C E S S ---------------"); | |
672 st->cr(); | |
673 } | |
674 | |
675 STEP(170, "(printing all threads)" ) | |
676 | |
677 // all threads | |
678 if (_verbose && _thread) { | |
679 Threads::print_on_error(st, _thread, buf, sizeof(buf)); | |
680 st->cr(); | |
681 } | |
682 | |
683 STEP(175, "(printing VM state)" ) | |
684 | |
685 if (_verbose) { | |
686 // Safepoint state | |
687 st->print("VM state:"); | |
688 | |
689 if (SafepointSynchronize::is_synchronizing()) st->print("synchronizing"); | |
690 else if (SafepointSynchronize::is_at_safepoint()) st->print("at safepoint"); | |
691 else st->print("not at safepoint"); | |
692 | |
693 // Also see if error occurred during initialization or shutdown | |
694 if (!Universe::is_fully_initialized()) { | |
695 st->print(" (not fully initialized)"); | |
696 } else if (VM_Exit::vm_exited()) { | |
697 st->print(" (shutting down)"); | |
698 } else { | |
699 st->print(" (normal execution)"); | |
700 } | |
701 st->cr(); | |
702 st->cr(); | |
703 } | |
704 | |
705 STEP(180, "(printing owned locks on error)" ) | |
706 | |
707 // mutexes/monitors that currently have an owner | |
708 if (_verbose) { | |
709 print_owned_locks_on_error(st); | |
710 st->cr(); | |
711 } | |
712 | |
713 STEP(190, "(printing heap information)" ) | |
714 | |
715 if (_verbose && Universe::is_fully_initialized()) { | |
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716 Universe::heap()->print_on_error(st); |
5984 | 717 st->cr(); |
718 | |
719 st->print_cr("Polling page: " INTPTR_FORMAT, os::get_polling_page()); | |
720 st->cr(); | |
0 | 721 } |
722 | |
1907 | 723 STEP(195, "(printing code cache information)" ) |
724 | |
725 if (_verbose && Universe::is_fully_initialized()) { | |
726 // print code cache information before vm abort | |
7595
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|
727 CodeCache::print_summary(st); |
1907 | 728 st->cr(); |
729 } | |
730 | |
4872
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731 STEP(200, "(printing ring buffers)" ) |
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|
732 |
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733 if (_verbose) { |
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|
734 Events::print_all(st); |
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|
735 st->cr(); |
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|
736 } |
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|
737 |
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738 STEP(205, "(printing dynamic libraries)" ) |
0 | 739 |
740 if (_verbose) { | |
741 // dynamic libraries, or memory map | |
742 os::print_dll_info(st); | |
743 st->cr(); | |
744 } | |
745 | |
746 STEP(210, "(printing VM options)" ) | |
747 | |
748 if (_verbose) { | |
749 // VM options | |
750 Arguments::print_on(st); | |
751 st->cr(); | |
752 } | |
753 | |
5915 | 754 STEP(215, "(printing warning if internal testing API used)" ) |
755 | |
756 if (WhiteBox::used()) { | |
757 st->print_cr("Unsupported internal testing APIs have been used."); | |
758 st->cr(); | |
759 } | |
760 | |
0 | 761 STEP(220, "(printing environment variables)" ) |
762 | |
763 if (_verbose) { | |
764 os::print_environment_variables(st, env_list, buf, sizeof(buf)); | |
765 st->cr(); | |
766 } | |
767 | |
768 STEP(225, "(printing signal handlers)" ) | |
769 | |
770 if (_verbose) { | |
771 os::print_signal_handlers(st, buf, sizeof(buf)); | |
772 st->cr(); | |
773 } | |
774 | |
775 STEP(230, "" ) | |
776 | |
777 if (_verbose) { | |
778 st->cr(); | |
779 st->print_cr("--------------- S Y S T E M ---------------"); | |
780 st->cr(); | |
781 } | |
782 | |
783 STEP(240, "(printing OS information)" ) | |
784 | |
785 if (_verbose) { | |
786 os::print_os_info(st); | |
787 st->cr(); | |
788 } | |
789 | |
790 STEP(250, "(printing CPU info)" ) | |
791 if (_verbose) { | |
792 os::print_cpu_info(st); | |
793 st->cr(); | |
794 } | |
795 | |
796 STEP(260, "(printing memory info)" ) | |
797 | |
798 if (_verbose) { | |
799 os::print_memory_info(st); | |
800 st->cr(); | |
801 } | |
802 | |
803 STEP(270, "(printing internal vm info)" ) | |
804 | |
805 if (_verbose) { | |
806 st->print_cr("vm_info: %s", Abstract_VM_Version::internal_vm_info_string()); | |
807 st->cr(); | |
808 } | |
809 | |
810 STEP(280, "(printing date and time)" ) | |
811 | |
812 if (_verbose) { | |
813 os::print_date_and_time(st); | |
814 st->cr(); | |
815 } | |
816 | |
817 END | |
818 | |
819 # undef BEGIN | |
820 # undef STEP | |
821 # undef END | |
822 } | |
823 | |
1681
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824 VMError* volatile VMError::first_error = NULL; |
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825 volatile jlong VMError::first_error_tid = -1; |
0 | 826 |
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827 // An error could happen before tty is initialized or after it has been |
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828 // destroyed. Here we use a very simple unbuffered fdStream for printing. |
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829 // Only out.print_raw() and out.print_raw_cr() should be used, as other |
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830 // printing methods need to allocate large buffer on stack. To format a |
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831 // string, use jio_snprintf() with a static buffer or use staticBufferStream. |
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832 fdStream VMError::out(defaultStream::output_fd()); |
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833 fdStream VMError::log; // error log used by VMError::report_and_die() |
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834 |
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835 /** Expand a pattern into a buffer starting at pos and open a file using constructed path */ |
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836 static int expand_and_open(const char* pattern, char* buf, size_t buflen, size_t pos) { |
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837 int fd = -1; |
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838 if (Arguments::copy_expand_pid(pattern, strlen(pattern), &buf[pos], buflen - pos)) { |
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839 fd = open(buf, O_RDWR | O_CREAT | O_TRUNC, 0666); |
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840 } |
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841 return fd; |
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842 } |
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|
843 |
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|
844 /** |
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845 * Construct file name for a log file and return it's file descriptor. |
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846 * Name and location depends on pattern, default_pattern params and access |
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847 * permissions. |
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848 */ |
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849 static int prepare_log_file(const char* pattern, const char* default_pattern, char* buf, size_t buflen) { |
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850 int fd = -1; |
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|
851 |
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852 // If possible, use specified pattern to construct log file name |
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853 if (pattern != NULL) { |
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854 fd = expand_and_open(pattern, buf, buflen, 0); |
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855 } |
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856 |
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857 // Either user didn't specify, or the user's location failed, |
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858 // so use the default name in the current directory |
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859 if (fd == -1) { |
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860 const char* cwd = os::get_current_directory(buf, buflen); |
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861 if (cwd != NULL) { |
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862 size_t pos = strlen(cwd); |
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863 int fsep_len = jio_snprintf(&buf[pos], buflen-pos, "%s", os::file_separator()); |
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864 pos += fsep_len; |
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865 if (fsep_len > 0) { |
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866 fd = expand_and_open(default_pattern, buf, buflen, pos); |
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867 } |
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868 } |
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869 } |
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|
870 |
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|
871 // try temp directory if it exists. |
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872 if (fd == -1) { |
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873 const char* tmpdir = os::get_temp_directory(); |
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874 if (tmpdir != NULL && strlen(tmpdir) > 0) { |
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875 int pos = jio_snprintf(buf, buflen, "%s%s", tmpdir, os::file_separator()); |
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876 if (pos > 0) { |
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|
877 fd = expand_and_open(default_pattern, buf, buflen, pos); |
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878 } |
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879 } |
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880 } |
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881 |
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882 return fd; |
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883 } |
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884 |
0 | 885 void VMError::report_and_die() { |
886 // Don't allocate large buffer on stack | |
887 static char buffer[O_BUFLEN]; | |
888 | |
889 // How many errors occurred in error handler when reporting first_error. | |
890 static int recursive_error_count; | |
891 | |
892 // We will first print a brief message to standard out (verbose = false), | |
893 // then save detailed information in log file (verbose = true). | |
894 static bool out_done = false; // done printing to standard out | |
895 static bool log_done = false; // done saving error log | |
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896 static bool transmit_report_done = false; // done error reporting |
0 | 897 |
6197 | 898 // disble NMT to avoid further exception |
899 MemTracker::shutdown(MemTracker::NMT_error_reporting); | |
900 | |
0 | 901 if (SuppressFatalErrorMessage) { |
902 os::abort(); | |
903 } | |
904 jlong mytid = os::current_thread_id(); | |
905 if (first_error == NULL && | |
906 Atomic::cmpxchg_ptr(this, &first_error, NULL) == NULL) { | |
907 | |
908 // first time | |
909 first_error_tid = mytid; | |
910 set_error_reported(); | |
911 | |
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912 if (ShowMessageBoxOnError || PauseAtExit) { |
0 | 913 show_message_box(buffer, sizeof(buffer)); |
914 | |
915 // User has asked JVM to abort. Reset ShowMessageBoxOnError so the | |
916 // WatcherThread can kill JVM if the error handler hangs. | |
917 ShowMessageBoxOnError = false; | |
918 } | |
919 | |
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920 // Write a minidump on Windows, check core dump limits on Linux/Solaris |
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921 os::check_or_create_dump(_siginfo, _context, buffer, sizeof(buffer)); |
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922 |
0 | 923 // reset signal handlers or exception filter; make sure recursive crashes |
924 // are handled properly. | |
925 reset_signal_handlers(); | |
926 | |
927 } else { | |
511
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928 // If UseOsErrorReporting we call this for each level of the call stack |
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929 // while searching for the exception handler. Only the first level needs |
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930 // to be reported. |
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931 if (UseOSErrorReporting && log_done) return; |
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932 |
0 | 933 // This is not the first error, see if it happened in a different thread |
934 // or in the same thread during error reporting. | |
935 if (first_error_tid != mytid) { | |
11093 | 936 char msgbuf[64]; |
937 jio_snprintf(msgbuf, sizeof(msgbuf), | |
0 | 938 "[thread " INT64_FORMAT " also had an error]", |
939 mytid); | |
11093 | 940 out.print_raw_cr(msgbuf); |
0 | 941 |
942 // error reporting is not MT-safe, block current thread | |
943 os::infinite_sleep(); | |
944 | |
945 } else { | |
946 if (recursive_error_count++ > 30) { | |
947 out.print_raw_cr("[Too many errors, abort]"); | |
948 os::die(); | |
949 } | |
950 | |
951 jio_snprintf(buffer, sizeof(buffer), | |
952 "[error occurred during error reporting %s, id 0x%x]", | |
953 first_error ? first_error->_current_step_info : "", | |
954 _id); | |
955 if (log.is_open()) { | |
956 log.cr(); | |
957 log.print_raw_cr(buffer); | |
958 log.cr(); | |
959 } else { | |
960 out.cr(); | |
961 out.print_raw_cr(buffer); | |
962 out.cr(); | |
963 } | |
964 } | |
965 } | |
966 | |
967 // print to screen | |
968 if (!out_done) { | |
969 first_error->_verbose = false; | |
970 | |
971 staticBufferStream sbs(buffer, sizeof(buffer), &out); | |
972 first_error->report(&sbs); | |
973 | |
974 out_done = true; | |
975 | |
976 first_error->_current_step = 0; // reset current_step | |
977 first_error->_current_step_info = ""; // reset current_step string | |
978 } | |
979 | |
980 // print to error log file | |
981 if (!log_done) { | |
982 first_error->_verbose = true; | |
983 | |
984 // see if log file is already open | |
985 if (!log.is_open()) { | |
986 // open log file | |
10195
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987 int fd = prepare_log_file(ErrorFile, "hs_err_pid%p.log", buffer, sizeof(buffer)); |
0 | 988 if (fd != -1) { |
989 out.print_raw("# An error report file with more information is saved as:\n# "); | |
990 out.print_raw_cr(buffer); | |
991 | |
992 log.set_fd(fd); | |
993 } else { | |
994 out.print_raw_cr("# Can not save log file, dump to screen.."); | |
995 log.set_fd(defaultStream::output_fd()); | |
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996 /* Error reporting currently needs dumpfile. |
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997 * Maybe implement direct streaming in the future.*/ |
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998 transmit_report_done = true; |
0 | 999 } |
1000 } | |
1001 | |
1002 staticBufferStream sbs(buffer, O_BUFLEN, &log); | |
1003 first_error->report(&sbs); | |
1004 first_error->_current_step = 0; // reset current_step | |
1005 first_error->_current_step_info = ""; // reset current_step string | |
1006 | |
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1007 // Run error reporting to determine whether or not to report the crash. |
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1008 if (!transmit_report_done && should_report_bug(first_error->_id)) { |
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1009 transmit_report_done = true; |
10195
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1010 FILE* hs_err = os::open(log.fd(), "r"); |
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1011 if (NULL != hs_err) { |
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1012 ErrorReporter er; |
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1013 er.call(hs_err, buffer, O_BUFLEN); |
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1014 } |
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1015 } |
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1016 |
0 | 1017 if (log.fd() != defaultStream::output_fd()) { |
1018 close(log.fd()); | |
1019 } | |
1020 | |
1021 log.set_fd(-1); | |
1022 log_done = true; | |
1023 } | |
1024 | |
1025 | |
1026 static bool skip_OnError = false; | |
1027 if (!skip_OnError && OnError && OnError[0]) { | |
1028 skip_OnError = true; | |
1029 | |
1030 out.print_raw_cr("#"); | |
1031 out.print_raw ("# -XX:OnError=\""); | |
1032 out.print_raw (OnError); | |
1033 out.print_raw_cr("\""); | |
1034 | |
1035 char* cmd; | |
1036 const char* ptr = OnError; | |
1037 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ | |
1038 out.print_raw ("# Executing "); | |
3960 | 1039 #if defined(LINUX) || defined(_ALLBSD_SOURCE) |
0 | 1040 out.print_raw ("/bin/sh -c "); |
1041 #elif defined(SOLARIS) | |
1042 out.print_raw ("/usr/bin/sh -c "); | |
1043 #endif | |
1044 out.print_raw ("\""); | |
1045 out.print_raw (cmd); | |
1046 out.print_raw_cr("\" ..."); | |
1047 | |
1048 os::fork_and_exec(cmd); | |
1049 } | |
1050 | |
1051 // done with OnError | |
1052 OnError = NULL; | |
1053 } | |
1054 | |
17622 | 1055 static bool skip_replay = ReplayCompiles; // Do not overwrite file during replay |
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1056 if (DumpReplayDataOnError && _thread && _thread->is_Compiler_thread() && !skip_replay) { |
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1057 skip_replay = true; |
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1058 ciEnv* env = ciEnv::current(); |
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1059 if (env != NULL) { |
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1060 int fd = prepare_log_file(ReplayDataFile, "replay_pid%p.log", buffer, sizeof(buffer)); |
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1061 if (fd != -1) { |
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1062 FILE* replay_data_file = os::open(fd, "w"); |
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1063 if (replay_data_file != NULL) { |
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1064 fileStream replay_data_stream(replay_data_file, /*need_close=*/true); |
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1065 env->dump_replay_data_unsafe(&replay_data_stream); |
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1066 out.print_raw("#\n# Compiler replay data is saved as:\n# "); |
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1067 out.print_raw_cr(buffer); |
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1068 } else { |
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1069 out.print_raw("#\n# Can't open file to dump replay data. Error: "); |
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1070 out.print_raw_cr(strerror(os::get_last_error())); |
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1071 } |
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1072 } |
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1073 } |
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1074 } |
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1075 |
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1076 static bool skip_bug_url = !should_report_bug(first_error->_id); |
0 | 1077 if (!skip_bug_url) { |
1078 skip_bug_url = true; | |
1079 | |
1080 out.print_raw_cr("#"); | |
1081 print_bug_submit_message(&out, _thread); | |
1082 } | |
1083 | |
1084 if (!UseOSErrorReporting) { | |
1085 // os::abort() will call abort hooks, try it first. | |
1086 static bool skip_os_abort = false; | |
1087 if (!skip_os_abort) { | |
1088 skip_os_abort = true; | |
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1089 bool dump_core = should_report_bug(first_error->_id); |
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1090 os::abort(dump_core); |
0 | 1091 } |
1092 | |
1093 // if os::abort() doesn't abort, try os::die(); | |
1094 os::die(); | |
1095 } | |
1096 } | |
1097 | |
1098 /* | |
1099 * OnOutOfMemoryError scripts/commands executed while VM is a safepoint - this | |
1100 * ensures utilities such as jmap can observe the process is a consistent state. | |
1101 */ | |
1102 class VM_ReportJavaOutOfMemory : public VM_Operation { | |
1103 private: | |
1104 VMError *_err; | |
1105 public: | |
1106 VM_ReportJavaOutOfMemory(VMError *err) { _err = err; } | |
1107 VMOp_Type type() const { return VMOp_ReportJavaOutOfMemory; } | |
1108 void doit(); | |
1109 }; | |
1110 | |
1111 void VM_ReportJavaOutOfMemory::doit() { | |
1112 // Don't allocate large buffer on stack | |
1113 static char buffer[O_BUFLEN]; | |
1114 | |
1115 tty->print_cr("#"); | |
1116 tty->print_cr("# java.lang.OutOfMemoryError: %s", _err->message()); | |
1117 tty->print_cr("# -XX:OnOutOfMemoryError=\"%s\"", OnOutOfMemoryError); | |
1118 | |
1119 // make heap parsability | |
1120 Universe::heap()->ensure_parsability(false); // no need to retire TLABs | |
1121 | |
1122 char* cmd; | |
1123 const char* ptr = OnOutOfMemoryError; | |
1124 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ | |
1125 tty->print("# Executing "); | |
1126 #if defined(LINUX) | |
1127 tty->print ("/bin/sh -c "); | |
1128 #elif defined(SOLARIS) | |
1129 tty->print ("/usr/bin/sh -c "); | |
1130 #endif | |
1131 tty->print_cr("\"%s\"...", cmd); | |
1132 | |
1133 os::fork_and_exec(cmd); | |
1134 } | |
1135 } | |
1136 | |
1137 void VMError::report_java_out_of_memory() { | |
1138 if (OnOutOfMemoryError && OnOutOfMemoryError[0]) { | |
1139 MutexLocker ml(Heap_lock); | |
1140 VM_ReportJavaOutOfMemory op(this); | |
1141 VMThread::execute(&op); | |
1142 } | |
1143 } |