Mercurial > hg > truffle
annotate src/share/vm/utilities/vmError.cpp @ 12199:38f750491293
8022335: Native stack walk while generating hs_err does not work on Windows x64
Summary: Use WinDbg API StackWalk64()
Reviewed-by: zgu, dholmes
| author | iklam |
|---|---|
| date | Fri, 06 Sep 2013 08:42:42 -0700 |
| parents | 4b2838704fd5 |
| children | cefad50507d8 5cc2d82aa82a |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "compiler/compileBroker.hpp" | |
| 27 #include "gc_interface/collectedHeap.hpp" | |
| 5915 | 28 #include "prims/whitebox.hpp" |
| 1972 | 29 #include "runtime/arguments.hpp" |
| 30 #include "runtime/frame.inline.hpp" | |
| 31 #include "runtime/init.hpp" | |
| 32 #include "runtime/os.hpp" | |
| 33 #include "runtime/thread.hpp" | |
| 34 #include "runtime/vmThread.hpp" | |
| 35 #include "runtime/vm_operations.hpp" | |
| 6197 | 36 #include "services/memTracker.hpp" |
| 1972 | 37 #include "utilities/debug.hpp" |
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38 #include "utilities/decoder.hpp" |
| 1972 | 39 #include "utilities/defaultStream.hpp" |
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40 #include "utilities/errorReporter.hpp" |
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41 #include "utilities/events.hpp" |
| 1972 | 42 #include "utilities/top.hpp" |
| 43 #include "utilities/vmError.hpp" | |
| 0 | 44 |
| 45 // List of environment variables that should be reported in error log file. | |
| 46 const char *env_list[] = { | |
| 47 // All platforms | |
| 48 "JAVA_HOME", "JRE_HOME", "JAVA_TOOL_OPTIONS", "_JAVA_OPTIONS", "CLASSPATH", | |
| 49 "JAVA_COMPILER", "PATH", "USERNAME", | |
| 50 | |
| 3960 | 51 // Env variables that are defined on Solaris/Linux/BSD |
| 0 | 52 "LD_LIBRARY_PATH", "LD_PRELOAD", "SHELL", "DISPLAY", |
| 53 "HOSTTYPE", "OSTYPE", "ARCH", "MACHTYPE", | |
| 54 | |
| 55 // defined on Linux | |
| 56 "LD_ASSUME_KERNEL", "_JAVA_SR_SIGNUM", | |
| 57 | |
| 3960 | 58 // defined on Darwin |
| 59 "DYLD_LIBRARY_PATH", "DYLD_FALLBACK_LIBRARY_PATH", | |
| 60 "DYLD_FRAMEWORK_PATH", "DYLD_FALLBACK_FRAMEWORK_PATH", | |
| 61 "DYLD_INSERT_LIBRARIES", | |
| 62 | |
| 0 | 63 // defined on Windows |
| 64 "OS", "PROCESSOR_IDENTIFIER", "_ALT_JAVA_HOME_DIR", | |
| 65 | |
| 66 (const char *)0 | |
| 67 }; | |
| 68 | |
| 69 // Fatal error handler for internal errors and crashes. | |
| 70 // | |
| 71 // The default behavior of fatal error handler is to print a brief message | |
| 72 // to standard out (defaultStream::output_fd()), then save detailed information | |
| 73 // into an error report file (hs_err_pid<pid>.log) and abort VM. If multiple | |
| 74 // threads are having troubles at the same time, only one error is reported. | |
| 75 // The thread that is reporting error will abort VM when it is done, all other | |
| 76 // threads are blocked forever inside report_and_die(). | |
| 77 | |
| 78 // Constructor for crashes | |
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79 VMError::VMError(Thread* thread, unsigned int sig, address pc, void* siginfo, void* context) { |
| 0 | 80 _thread = thread; |
| 81 _id = sig; | |
| 82 _pc = pc; | |
| 83 _siginfo = siginfo; | |
| 84 _context = context; | |
| 85 | |
| 86 _verbose = false; | |
| 87 _current_step = 0; | |
| 88 _current_step_info = NULL; | |
| 89 | |
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90 _message = NULL; |
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91 _detail_msg = NULL; |
| 0 | 92 _filename = NULL; |
| 93 _lineno = 0; | |
| 94 | |
| 95 _size = 0; | |
| 96 } | |
| 97 | |
| 98 // Constructor for internal errors | |
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99 VMError::VMError(Thread* thread, const char* filename, int lineno, |
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100 const char* message, const char * detail_msg) |
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101 { |
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102 _thread = thread; |
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103 _id = INTERNAL_ERROR; // Value that's not an OS exception/signal |
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104 _filename = filename; |
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105 _lineno = lineno; |
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106 _message = message; |
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107 _detail_msg = detail_msg; |
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108 |
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109 _verbose = false; |
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110 _current_step = 0; |
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111 _current_step_info = NULL; |
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112 |
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113 _pc = NULL; |
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114 _siginfo = NULL; |
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115 _context = NULL; |
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116 |
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117 _size = 0; |
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118 } |
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119 |
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120 // Constructor for OOM errors |
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121 VMError::VMError(Thread* thread, const char* filename, int lineno, size_t size, |
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122 VMErrorType vm_err_type, const char* message) { |
| 0 | 123 _thread = thread; |
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124 _id = vm_err_type; // Value that's not an OS exception/signal |
| 0 | 125 _filename = filename; |
| 126 _lineno = lineno; | |
| 127 _message = message; | |
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128 _detail_msg = NULL; |
| 0 | 129 |
| 130 _verbose = false; | |
| 131 _current_step = 0; | |
| 132 _current_step_info = NULL; | |
| 133 | |
| 134 _pc = NULL; | |
| 135 _siginfo = NULL; | |
| 136 _context = NULL; | |
| 137 | |
| 138 _size = size; | |
| 139 } | |
| 140 | |
| 141 | |
| 142 // Constructor for non-fatal errors | |
| 143 VMError::VMError(const char* message) { | |
| 144 _thread = NULL; | |
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145 _id = INTERNAL_ERROR; // Value that's not an OS exception/signal |
| 0 | 146 _filename = NULL; |
| 147 _lineno = 0; | |
| 148 _message = message; | |
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149 _detail_msg = NULL; |
| 0 | 150 |
| 151 _verbose = false; | |
| 152 _current_step = 0; | |
| 153 _current_step_info = NULL; | |
| 154 | |
| 155 _pc = NULL; | |
| 156 _siginfo = NULL; | |
| 157 _context = NULL; | |
| 158 | |
| 159 _size = 0; | |
| 160 } | |
| 161 | |
| 162 // -XX:OnError=<string>, where <string> can be a list of commands, separated | |
| 163 // by ';'. "%p" is replaced by current process id (pid); "%%" is replaced by | |
| 164 // a single "%". Some examples: | |
| 165 // | |
| 166 // -XX:OnError="pmap %p" // show memory map | |
| 167 // -XX:OnError="gcore %p; dbx - %p" // dump core and launch debugger | |
| 168 // -XX:OnError="cat hs_err_pid%p.log | mail my_email@sun.com" | |
| 169 // -XX:OnError="kill -9 %p" // ?#!@# | |
| 170 | |
| 171 // A simple parser for -XX:OnError, usage: | |
| 172 // ptr = OnError; | |
| 173 // while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr) != NULL) | |
| 174 // ... ... | |
| 175 static char* next_OnError_command(char* buf, int buflen, const char** ptr) { | |
| 176 if (ptr == NULL || *ptr == NULL) return NULL; | |
| 177 | |
| 178 const char* cmd = *ptr; | |
| 179 | |
| 180 // skip leading blanks or ';' | |
| 181 while (*cmd == ' ' || *cmd == ';') cmd++; | |
| 182 | |
| 183 if (*cmd == '\0') return NULL; | |
| 184 | |
| 185 const char * cmdend = cmd; | |
| 186 while (*cmdend != '\0' && *cmdend != ';') cmdend++; | |
| 187 | |
| 188 Arguments::copy_expand_pid(cmd, cmdend - cmd, buf, buflen); | |
| 189 | |
| 190 *ptr = (*cmdend == '\0' ? cmdend : cmdend + 1); | |
| 191 return buf; | |
| 192 } | |
| 193 | |
| 194 | |
| 195 static void print_bug_submit_message(outputStream *out, Thread *thread) { | |
| 196 if (out == NULL) return; | |
| 197 out->print_raw_cr("# If you would like to submit a bug report, please visit:"); | |
| 198 out->print_raw ("# "); | |
| 199 out->print_raw_cr(Arguments::java_vendor_url_bug()); | |
| 200 // If the crash is in native code, encourage user to submit a bug to the | |
| 201 // provider of that code. | |
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202 if (thread && thread->is_Java_thread() && |
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203 !thread->is_hidden_from_external_view()) { |
| 0 | 204 JavaThread* jt = (JavaThread*)thread; |
| 205 if (jt->thread_state() == _thread_in_native) { | |
| 206 out->print_cr("# The crash happened outside the Java Virtual Machine in native code.\n# See problematic frame for where to report the bug."); | |
| 207 } | |
| 208 } | |
| 209 out->print_raw_cr("#"); | |
| 210 } | |
| 211 | |
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212 bool VMError::coredump_status; |
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213 char VMError::coredump_message[O_BUFLEN]; |
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214 |
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215 void VMError::report_coredump_status(const char* message, bool status) { |
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216 coredump_status = status; |
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217 strncpy(coredump_message, message, sizeof(coredump_message)); |
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218 coredump_message[sizeof(coredump_message)-1] = 0; |
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219 } |
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220 |
| 0 | 221 |
| 222 // Return a string to describe the error | |
| 223 char* VMError::error_string(char* buf, int buflen) { | |
| 224 char signame_buf[64]; | |
| 225 const char *signame = os::exception_name(_id, signame_buf, sizeof(signame_buf)); | |
| 226 | |
| 227 if (signame) { | |
| 228 jio_snprintf(buf, buflen, | |
| 229 "%s (0x%x) at pc=" PTR_FORMAT ", pid=%d, tid=" UINTX_FORMAT, | |
| 230 signame, _id, _pc, | |
| 231 os::current_process_id(), os::current_thread_id()); | |
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232 } else if (_filename != NULL && _lineno > 0) { |
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233 // skip directory names |
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234 char separator = os::file_separator()[0]; |
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235 const char *p = strrchr(_filename, separator); |
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236 int n = jio_snprintf(buf, buflen, |
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237 "Internal Error at %s:%d, pid=%d, tid=" UINTX_FORMAT, |
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238 p ? p + 1 : _filename, _lineno, |
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239 os::current_process_id(), os::current_thread_id()); |
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240 if (n >= 0 && n < buflen && _message) { |
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241 if (_detail_msg) { |
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242 jio_snprintf(buf + n, buflen - n, "%s%s: %s", |
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243 os::line_separator(), _message, _detail_msg); |
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244 } else { |
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245 jio_snprintf(buf + n, buflen - n, "%sError: %s", |
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246 os::line_separator(), _message); |
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247 } |
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248 } |
| 0 | 249 } else { |
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250 jio_snprintf(buf, buflen, |
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251 "Internal Error (0x%x), pid=%d, tid=" UINTX_FORMAT, |
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252 _id, os::current_process_id(), os::current_thread_id()); |
| 0 | 253 } |
| 254 | |
| 255 return buf; | |
| 256 } | |
| 257 | |
| 1384 | 258 void VMError::print_stack_trace(outputStream* st, JavaThread* jt, |
| 259 char* buf, int buflen, bool verbose) { | |
| 260 #ifdef ZERO | |
| 261 if (jt->zero_stack()->sp() && jt->top_zero_frame()) { | |
| 262 // StackFrameStream uses the frame anchor, which may not have | |
| 263 // been set up. This can be done at any time in Zero, however, | |
| 264 // so if it hasn't been set up then we just set it up now and | |
| 265 // clear it again when we're done. | |
| 266 bool has_last_Java_frame = jt->has_last_Java_frame(); | |
| 267 if (!has_last_Java_frame) | |
| 268 jt->set_last_Java_frame(); | |
| 269 st->print("Java frames:"); | |
| 270 | |
| 271 // If the top frame is a Shark frame and the frame anchor isn't | |
| 272 // set up then it's possible that the information in the frame | |
| 273 // is garbage: it could be from a previous decache, or it could | |
| 274 // simply have never been written. So we print a warning... | |
| 275 StackFrameStream sfs(jt); | |
| 276 if (!has_last_Java_frame && !sfs.is_done()) { | |
| 277 if (sfs.current()->zeroframe()->is_shark_frame()) { | |
| 278 st->print(" (TOP FRAME MAY BE JUNK)"); | |
| 279 } | |
| 280 } | |
| 281 st->cr(); | |
| 282 | |
| 283 // Print the frames | |
| 284 for(int i = 0; !sfs.is_done(); sfs.next(), i++) { | |
| 285 sfs.current()->zero_print_on_error(i, st, buf, buflen); | |
| 286 st->cr(); | |
| 287 } | |
| 288 | |
| 289 // Reset the frame anchor if necessary | |
| 290 if (!has_last_Java_frame) | |
| 291 jt->reset_last_Java_frame(); | |
| 292 } | |
| 293 #else | |
| 294 if (jt->has_last_Java_frame()) { | |
| 295 st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)"); | |
| 296 for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) { | |
| 297 sfs.current()->print_on_error(st, buf, buflen, verbose); | |
| 298 st->cr(); | |
| 299 } | |
| 300 } | |
| 301 #endif // ZERO | |
| 302 } | |
| 0 | 303 |
| 304 // This is the main function to report a fatal error. Only one thread can | |
| 305 // call this function, so we don't need to worry about MT-safety. But it's | |
| 306 // possible that the error handler itself may crash or die on an internal | |
| 307 // error, for example, when the stack/heap is badly damaged. We must be | |
| 308 // able to handle recursive errors that happen inside error handler. | |
| 309 // | |
| 310 // Error reporting is done in several steps. If a crash or internal error | |
| 311 // occurred when reporting an error, the nested signal/exception handler | |
| 312 // can skip steps that are already (or partially) done. Error reporting will | |
| 313 // continue from the next step. This allows us to retrieve and print | |
| 314 // information that may be unsafe to get after a fatal error. If it happens, | |
| 315 // you may find nested report_and_die() frames when you look at the stack | |
| 316 // in a debugger. | |
| 317 // | |
| 318 // In general, a hang in error handler is much worse than a crash or internal | |
| 319 // error, as it's harder to recover from a hang. Deadlock can happen if we | |
| 320 // try to grab a lock that is already owned by current thread, or if the | |
| 321 // owner is blocked forever (e.g. in os::infinite_sleep()). If possible, the | |
| 322 // error handler and all the functions it called should avoid grabbing any | |
| 323 // lock. An important thing to notice is that memory allocation needs a lock. | |
| 324 // | |
| 325 // We should avoid using large stack allocated buffers. Many errors happen | |
| 326 // when stack space is already low. Making things even worse is that there | |
| 327 // could be nested report_and_die() calls on stack (see above). Only one | |
| 328 // thread can report error, so large buffers are statically allocated in data | |
| 329 // segment. | |
| 330 | |
| 331 void VMError::report(outputStream* st) { | |
| 332 # define BEGIN if (_current_step == 0) { _current_step = 1; | |
| 333 # define STEP(n, s) } if (_current_step < n) { _current_step = n; _current_step_info = s; | |
| 334 # define END } | |
| 335 | |
| 336 // don't allocate large buffer on stack | |
| 337 static char buf[O_BUFLEN]; | |
| 338 | |
| 339 BEGIN | |
| 340 | |
|
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341 STEP(10, "(printing fatal error message)") |
| 0 | 342 |
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343 st->print_cr("#"); |
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344 if (should_report_bug(_id)) { |
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345 st->print_cr("# A fatal error has been detected by the Java Runtime Environment:"); |
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346 } else { |
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347 st->print_cr("# There is insufficient memory for the Java " |
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348 "Runtime Environment to continue."); |
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349 } |
| 0 | 350 |
| 351 STEP(15, "(printing type of error)") | |
| 352 | |
| 353 switch(_id) { | |
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354 case OOM_MALLOC_ERROR: |
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355 case OOM_MMAP_ERROR: |
| 0 | 356 if (_size) { |
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357 st->print("# Native memory allocation "); |
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358 st->print((_id == (int)OOM_MALLOC_ERROR) ? "(malloc) failed to allocate " : |
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359 "(mmap) failed to map "); |
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360 jio_snprintf(buf, sizeof(buf), SIZE_FORMAT, _size); |
| 0 | 361 st->print(buf); |
| 362 st->print(" bytes"); | |
| 363 if (_message != NULL) { | |
| 364 st->print(" for "); | |
| 365 st->print(_message); | |
| 366 } | |
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367 st->cr(); |
| 0 | 368 } else { |
| 369 if (_message != NULL) | |
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370 st->print("# "); |
| 0 | 371 st->print_cr(_message); |
| 372 } | |
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373 // In error file give some solutions |
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374 if (_verbose) { |
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375 st->print_cr("# Possible reasons:"); |
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376 st->print_cr("# The system is out of physical RAM or swap space"); |
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377 st->print_cr("# In 32 bit mode, the process size limit was hit"); |
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378 st->print_cr("# Possible solutions:"); |
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379 st->print_cr("# Reduce memory load on the system"); |
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380 st->print_cr("# Increase physical memory or swap space"); |
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381 st->print_cr("# Check if swap backing store is full"); |
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382 st->print_cr("# Use 64 bit Java on a 64 bit OS"); |
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383 st->print_cr("# Decrease Java heap size (-Xmx/-Xms)"); |
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384 st->print_cr("# Decrease number of Java threads"); |
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385 st->print_cr("# Decrease Java thread stack sizes (-Xss)"); |
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386 st->print_cr("# Set larger code cache with -XX:ReservedCodeCacheSize="); |
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387 st->print_cr("# This output file may be truncated or incomplete."); |
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388 } else { |
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389 return; // that's enough for the screen |
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390 } |
| 0 | 391 break; |
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392 case INTERNAL_ERROR: |
| 0 | 393 default: |
| 394 break; | |
| 395 } | |
| 396 | |
| 397 STEP(20, "(printing exception/signal name)") | |
| 398 | |
| 399 st->print_cr("#"); | |
| 400 st->print("# "); | |
| 401 // Is it an OS exception/signal? | |
| 402 if (os::exception_name(_id, buf, sizeof(buf))) { | |
| 403 st->print("%s", buf); | |
| 404 st->print(" (0x%x)", _id); // signal number | |
| 405 st->print(" at pc=" PTR_FORMAT, _pc); | |
| 406 } else { | |
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407 if (should_report_bug(_id)) { |
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408 st->print("Internal Error"); |
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409 } else { |
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410 st->print("Out of Memory Error"); |
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411 } |
| 0 | 412 if (_filename != NULL && _lineno > 0) { |
| 413 #ifdef PRODUCT | |
| 414 // In product mode chop off pathname? | |
| 415 char separator = os::file_separator()[0]; | |
| 416 const char *p = strrchr(_filename, separator); | |
| 417 const char *file = p ? p+1 : _filename; | |
| 418 #else | |
| 419 const char *file = _filename; | |
| 420 #endif | |
| 421 size_t len = strlen(file); | |
| 422 size_t buflen = sizeof(buf); | |
| 423 | |
| 424 strncpy(buf, file, buflen); | |
| 425 if (len + 10 < buflen) { | |
|
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426 sprintf(buf + len, ":%d", _lineno); |
| 0 | 427 } |
| 428 st->print(" (%s)", buf); | |
| 429 } else { | |
| 430 st->print(" (0x%x)", _id); | |
| 431 } | |
| 432 } | |
| 433 | |
| 434 STEP(30, "(printing current thread and pid)") | |
| 435 | |
| 436 // process id, thread id | |
| 437 st->print(", pid=%d", os::current_process_id()); | |
| 438 st->print(", tid=" UINTX_FORMAT, os::current_thread_id()); | |
| 439 st->cr(); | |
| 440 | |
| 441 STEP(40, "(printing error message)") | |
| 442 | |
|
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443 if (should_report_bug(_id)) { // already printed the message. |
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444 // error message |
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445 if (_detail_msg) { |
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446 st->print_cr("# %s: %s", _message ? _message : "Error", _detail_msg); |
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447 } else if (_message) { |
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448 st->print_cr("# Error: %s", _message); |
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449 } |
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450 } |
| 0 | 451 |
| 452 STEP(50, "(printing Java version string)") | |
| 453 | |
| 454 // VM version | |
| 455 st->print_cr("#"); | |
|
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456 JDK_Version::current().to_string(buf, sizeof(buf)); |
| 6181 | 457 const char* runtime_name = JDK_Version::runtime_name() != NULL ? |
| 458 JDK_Version::runtime_name() : ""; | |
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459 const char* runtime_version = JDK_Version::runtime_version() != NULL ? |
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460 JDK_Version::runtime_version() : ""; |
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461 st->print_cr("# JRE version: %s (%s) (build %s)", runtime_name, buf, runtime_version); |
|
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462 st->print_cr("# Java VM: %s (%s %s %s %s)", |
| 0 | 463 Abstract_VM_Version::vm_name(), |
| 464 Abstract_VM_Version::vm_release(), | |
| 465 Abstract_VM_Version::vm_info_string(), | |
|
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466 Abstract_VM_Version::vm_platform_string(), |
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467 UseCompressedOops ? "compressed oops" : "" |
| 0 | 468 ); |
| 469 | |
| 470 STEP(60, "(printing problematic frame)") | |
| 471 | |
| 472 // Print current frame if we have a context (i.e. it's a crash) | |
| 473 if (_context) { | |
| 474 st->print_cr("# Problematic frame:"); | |
| 475 st->print("# "); | |
| 476 frame fr = os::fetch_frame_from_context(_context); | |
| 477 fr.print_on_error(st, buf, sizeof(buf)); | |
| 478 st->cr(); | |
| 479 st->print_cr("#"); | |
| 480 } | |
|
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481 STEP(63, "(printing core file information)") |
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482 st->print("# "); |
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483 if (coredump_status) { |
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484 st->print("Core dump written. Default location: %s", coredump_message); |
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485 } else { |
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486 st->print("Failed to write core dump. %s", coredump_message); |
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487 } |
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488 st->print_cr(""); |
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489 st->print_cr("#"); |
| 0 | 490 |
| 491 STEP(65, "(printing bug submit message)") | |
| 492 | |
|
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493 if (should_report_bug(_id) && _verbose) { |
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494 print_bug_submit_message(st, _thread); |
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495 } |
| 0 | 496 |
| 497 STEP(70, "(printing thread)" ) | |
| 498 | |
| 499 if (_verbose) { | |
| 500 st->cr(); | |
| 501 st->print_cr("--------------- T H R E A D ---------------"); | |
| 502 st->cr(); | |
| 503 } | |
| 504 | |
| 505 STEP(80, "(printing current thread)" ) | |
| 506 | |
| 507 // current thread | |
| 508 if (_verbose) { | |
| 509 if (_thread) { | |
| 510 st->print("Current thread (" PTR_FORMAT "): ", _thread); | |
| 511 _thread->print_on_error(st, buf, sizeof(buf)); | |
| 512 st->cr(); | |
| 513 } else { | |
| 514 st->print_cr("Current thread is native thread"); | |
| 515 } | |
| 516 st->cr(); | |
| 517 } | |
| 518 | |
| 519 STEP(90, "(printing siginfo)" ) | |
| 520 | |
| 521 // signal no, signal code, address that caused the fault | |
| 522 if (_verbose && _siginfo) { | |
| 523 os::print_siginfo(st, _siginfo); | |
| 524 st->cr(); | |
| 525 } | |
| 526 | |
| 527 STEP(100, "(printing registers, top of stack, instructions near pc)") | |
| 528 | |
| 529 // registers, top of stack, instructions near pc | |
| 530 if (_verbose && _context) { | |
| 531 os::print_context(st, _context); | |
| 532 st->cr(); | |
| 533 } | |
| 534 | |
| 1907 | 535 STEP(105, "(printing register info)") |
| 536 | |
| 537 // decode register contents if possible | |
| 538 if (_verbose && _context && Universe::is_fully_initialized()) { | |
| 539 os::print_register_info(st, _context); | |
| 540 st->cr(); | |
| 541 } | |
| 542 | |
| 0 | 543 STEP(110, "(printing stack bounds)" ) |
| 544 | |
| 545 if (_verbose) { | |
| 546 st->print("Stack: "); | |
| 547 | |
| 548 address stack_top; | |
| 549 size_t stack_size; | |
| 550 | |
| 551 if (_thread) { | |
| 552 stack_top = _thread->stack_base(); | |
| 553 stack_size = _thread->stack_size(); | |
| 554 } else { | |
| 555 stack_top = os::current_stack_base(); | |
| 556 stack_size = os::current_stack_size(); | |
| 557 } | |
| 558 | |
| 559 address stack_bottom = stack_top - stack_size; | |
| 560 st->print("[" PTR_FORMAT "," PTR_FORMAT "]", stack_bottom, stack_top); | |
| 561 | |
| 562 frame fr = _context ? os::fetch_frame_from_context(_context) | |
| 563 : os::current_frame(); | |
| 564 | |
| 565 if (fr.sp()) { | |
| 566 st->print(", sp=" PTR_FORMAT, fr.sp()); | |
|
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567 size_t free_stack_size = pointer_delta(fr.sp(), stack_bottom, 1024); |
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568 st->print(", free space=" SIZE_FORMAT "k", free_stack_size); |
| 0 | 569 } |
| 570 | |
| 571 st->cr(); | |
| 572 } | |
| 573 | |
| 574 STEP(120, "(printing native stack)" ) | |
| 575 | |
| 576 if (_verbose) { | |
|
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577 if (os::platform_print_native_stack(st, _context, buf, sizeof(buf))) { |
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578 // We have printed the native stack in platform-specific code |
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579 // Windows/x64 needs special handling. |
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580 } else { |
| 0 | 581 frame fr = _context ? os::fetch_frame_from_context(_context) |
| 582 : os::current_frame(); | |
| 583 | |
| 584 // see if it's a valid frame | |
| 585 if (fr.pc()) { | |
| 586 st->print_cr("Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)"); | |
| 587 | |
|
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588 |
| 0 | 589 int count = 0; |
| 590 while (count++ < StackPrintLimit) { | |
| 591 fr.print_on_error(st, buf, sizeof(buf)); | |
| 592 st->cr(); | |
|
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593 // Compiled code may use EBP register on x86 so it looks like |
|
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594 // non-walkable C frame. Use frame.sender() for java frames. |
|
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595 if (_thread && _thread->is_Java_thread() && fr.is_java_frame()) { |
|
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596 RegisterMap map((JavaThread*)_thread, false); // No update |
|
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597 fr = fr.sender(&map); |
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598 continue; |
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599 } |
| 0 | 600 if (os::is_first_C_frame(&fr)) break; |
| 601 fr = os::get_sender_for_C_frame(&fr); | |
| 602 } | |
| 603 | |
| 604 if (count > StackPrintLimit) { | |
| 605 st->print_cr("...<more frames>..."); | |
| 606 } | |
| 607 | |
| 608 st->cr(); | |
| 609 } | |
| 610 } | |
|
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611 } |
| 0 | 612 |
| 613 STEP(130, "(printing Java stack)" ) | |
| 614 | |
| 615 if (_verbose && _thread && _thread->is_Java_thread()) { | |
| 1384 | 616 print_stack_trace(st, (JavaThread*)_thread, buf, sizeof(buf)); |
| 0 | 617 } |
| 618 | |
|
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619 STEP(135, "(printing target Java thread stack)" ) |
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620 |
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621 // printing Java thread stack trace if it is involved in GC crash |
| 1907 | 622 if (_verbose && _thread && (_thread->is_Named_thread())) { |
|
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623 JavaThread* jt = ((NamedThread *)_thread)->processed_thread(); |
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624 if (jt != NULL) { |
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625 st->print_cr("JavaThread " PTR_FORMAT " (nid = " UINTX_FORMAT ") was being processed", jt, jt->osthread()->thread_id()); |
| 1384 | 626 print_stack_trace(st, jt, buf, sizeof(buf), true); |
|
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627 } |
|
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628 } |
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629 |
| 0 | 630 STEP(140, "(printing VM operation)" ) |
| 631 | |
| 632 if (_verbose && _thread && _thread->is_VM_thread()) { | |
| 633 VMThread* t = (VMThread*)_thread; | |
| 634 VM_Operation* op = t->vm_operation(); | |
| 635 if (op) { | |
| 636 op->print_on_error(st); | |
| 637 st->cr(); | |
| 638 st->cr(); | |
| 639 } | |
| 640 } | |
| 641 | |
| 642 STEP(150, "(printing current compile task)" ) | |
| 643 | |
| 644 if (_verbose && _thread && _thread->is_Compiler_thread()) { | |
| 645 CompilerThread* t = (CompilerThread*)_thread; | |
| 646 if (t->task()) { | |
| 647 st->cr(); | |
| 648 st->print_cr("Current CompileTask:"); | |
| 649 t->task()->print_line_on_error(st, buf, sizeof(buf)); | |
| 650 st->cr(); | |
| 651 } | |
| 652 } | |
| 653 | |
| 654 STEP(160, "(printing process)" ) | |
| 655 | |
| 656 if (_verbose) { | |
| 657 st->cr(); | |
| 658 st->print_cr("--------------- P R O C E S S ---------------"); | |
| 659 st->cr(); | |
| 660 } | |
| 661 | |
| 662 STEP(170, "(printing all threads)" ) | |
| 663 | |
| 664 // all threads | |
| 665 if (_verbose && _thread) { | |
| 666 Threads::print_on_error(st, _thread, buf, sizeof(buf)); | |
| 667 st->cr(); | |
| 668 } | |
| 669 | |
| 670 STEP(175, "(printing VM state)" ) | |
| 671 | |
| 672 if (_verbose) { | |
| 673 // Safepoint state | |
| 674 st->print("VM state:"); | |
| 675 | |
| 676 if (SafepointSynchronize::is_synchronizing()) st->print("synchronizing"); | |
| 677 else if (SafepointSynchronize::is_at_safepoint()) st->print("at safepoint"); | |
| 678 else st->print("not at safepoint"); | |
| 679 | |
| 680 // Also see if error occurred during initialization or shutdown | |
| 681 if (!Universe::is_fully_initialized()) { | |
| 682 st->print(" (not fully initialized)"); | |
| 683 } else if (VM_Exit::vm_exited()) { | |
| 684 st->print(" (shutting down)"); | |
| 685 } else { | |
| 686 st->print(" (normal execution)"); | |
| 687 } | |
| 688 st->cr(); | |
| 689 st->cr(); | |
| 690 } | |
| 691 | |
| 692 STEP(180, "(printing owned locks on error)" ) | |
| 693 | |
| 694 // mutexes/monitors that currently have an owner | |
| 695 if (_verbose) { | |
| 696 print_owned_locks_on_error(st); | |
| 697 st->cr(); | |
| 698 } | |
| 699 | |
| 700 STEP(190, "(printing heap information)" ) | |
| 701 | |
| 702 if (_verbose && Universe::is_fully_initialized()) { | |
|
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703 Universe::heap()->print_on_error(st); |
| 5984 | 704 st->cr(); |
| 705 | |
| 706 st->print_cr("Polling page: " INTPTR_FORMAT, os::get_polling_page()); | |
| 707 st->cr(); | |
| 0 | 708 } |
| 709 | |
| 1907 | 710 STEP(195, "(printing code cache information)" ) |
| 711 | |
| 712 if (_verbose && Universe::is_fully_initialized()) { | |
| 713 // print code cache information before vm abort | |
|
7595
9deda4d8e126
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|
714 CodeCache::print_summary(st); |
| 1907 | 715 st->cr(); |
| 716 } | |
| 717 | |
|
4872
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|
718 STEP(200, "(printing ring buffers)" ) |
|
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|
719 |
|
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|
720 if (_verbose) { |
|
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|
721 Events::print_all(st); |
|
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|
722 st->cr(); |
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|
723 } |
|
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|
724 |
|
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|
725 STEP(205, "(printing dynamic libraries)" ) |
| 0 | 726 |
| 727 if (_verbose) { | |
| 728 // dynamic libraries, or memory map | |
| 729 os::print_dll_info(st); | |
| 730 st->cr(); | |
| 731 } | |
| 732 | |
| 733 STEP(210, "(printing VM options)" ) | |
| 734 | |
| 735 if (_verbose) { | |
| 736 // VM options | |
| 737 Arguments::print_on(st); | |
| 738 st->cr(); | |
| 739 } | |
| 740 | |
| 5915 | 741 STEP(215, "(printing warning if internal testing API used)" ) |
| 742 | |
| 743 if (WhiteBox::used()) { | |
| 744 st->print_cr("Unsupported internal testing APIs have been used."); | |
| 745 st->cr(); | |
| 746 } | |
| 747 | |
| 0 | 748 STEP(220, "(printing environment variables)" ) |
| 749 | |
| 750 if (_verbose) { | |
| 751 os::print_environment_variables(st, env_list, buf, sizeof(buf)); | |
| 752 st->cr(); | |
| 753 } | |
| 754 | |
| 755 STEP(225, "(printing signal handlers)" ) | |
| 756 | |
| 757 if (_verbose) { | |
| 758 os::print_signal_handlers(st, buf, sizeof(buf)); | |
| 759 st->cr(); | |
| 760 } | |
| 761 | |
| 762 STEP(230, "" ) | |
| 763 | |
| 764 if (_verbose) { | |
| 765 st->cr(); | |
| 766 st->print_cr("--------------- S Y S T E M ---------------"); | |
| 767 st->cr(); | |
| 768 } | |
| 769 | |
| 770 STEP(240, "(printing OS information)" ) | |
| 771 | |
| 772 if (_verbose) { | |
| 773 os::print_os_info(st); | |
| 774 st->cr(); | |
| 775 } | |
| 776 | |
| 777 STEP(250, "(printing CPU info)" ) | |
| 778 if (_verbose) { | |
| 779 os::print_cpu_info(st); | |
| 780 st->cr(); | |
| 781 } | |
| 782 | |
| 783 STEP(260, "(printing memory info)" ) | |
| 784 | |
| 785 if (_verbose) { | |
| 786 os::print_memory_info(st); | |
| 787 st->cr(); | |
| 788 } | |
| 789 | |
| 790 STEP(270, "(printing internal vm info)" ) | |
| 791 | |
| 792 if (_verbose) { | |
| 793 st->print_cr("vm_info: %s", Abstract_VM_Version::internal_vm_info_string()); | |
| 794 st->cr(); | |
| 795 } | |
| 796 | |
| 797 STEP(280, "(printing date and time)" ) | |
| 798 | |
| 799 if (_verbose) { | |
| 800 os::print_date_and_time(st); | |
| 801 st->cr(); | |
| 802 } | |
| 803 | |
| 804 END | |
| 805 | |
| 806 # undef BEGIN | |
| 807 # undef STEP | |
| 808 # undef END | |
| 809 } | |
| 810 | |
|
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6953477: Increase portability and flexibility of building Hotspot
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changeset
|
811 VMError* volatile VMError::first_error = NULL; |
|
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|
812 volatile jlong VMError::first_error_tid = -1; |
| 0 | 813 |
|
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7060111: race condition in VMError::report_and_die()
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|
814 // An error could happen before tty is initialized or after it has been |
|
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|
815 // destroyed. Here we use a very simple unbuffered fdStream for printing. |
|
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|
816 // Only out.print_raw() and out.print_raw_cr() should be used, as other |
|
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817 // printing methods need to allocate large buffer on stack. To format a |
|
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|
818 // string, use jio_snprintf() with a static buffer or use staticBufferStream. |
|
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|
819 fdStream VMError::out(defaultStream::output_fd()); |
|
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|
820 fdStream VMError::log; // error log used by VMError::report_and_die() |
|
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821 |
|
10195
e12c9b3740db
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822 /** Expand a pattern into a buffer starting at pos and open a file using constructed path */ |
|
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823 static int expand_and_open(const char* pattern, char* buf, size_t buflen, size_t pos) { |
|
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824 int fd = -1; |
|
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825 if (Arguments::copy_expand_pid(pattern, strlen(pattern), &buf[pos], buflen - pos)) { |
|
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826 fd = open(buf, O_RDWR | O_CREAT | O_TRUNC, 0666); |
|
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827 } |
|
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|
828 return fd; |
|
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|
829 } |
|
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|
830 |
|
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|
831 /** |
|
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832 * Construct file name for a log file and return it's file descriptor. |
|
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833 * Name and location depends on pattern, default_pattern params and access |
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834 * permissions. |
|
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835 */ |
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|
836 static int prepare_log_file(const char* pattern, const char* default_pattern, char* buf, size_t buflen) { |
|
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837 int fd = -1; |
|
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838 |
|
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839 // If possible, use specified pattern to construct log file name |
|
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840 if (pattern != NULL) { |
|
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841 fd = expand_and_open(pattern, buf, buflen, 0); |
|
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842 } |
|
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|
843 |
|
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844 // Either user didn't specify, or the user's location failed, |
|
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845 // so use the default name in the current directory |
|
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846 if (fd == -1) { |
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847 const char* cwd = os::get_current_directory(buf, buflen); |
|
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848 if (cwd != NULL) { |
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849 size_t pos = strlen(cwd); |
|
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850 int fsep_len = jio_snprintf(&buf[pos], buflen-pos, "%s", os::file_separator()); |
|
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851 pos += fsep_len; |
|
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852 if (fsep_len > 0) { |
|
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853 fd = expand_and_open(default_pattern, buf, buflen, pos); |
|
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854 } |
|
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855 } |
|
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|
856 } |
|
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|
857 |
|
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|
858 // try temp directory if it exists. |
|
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|
859 if (fd == -1) { |
|
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|
860 const char* tmpdir = os::get_temp_directory(); |
|
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861 if (tmpdir != NULL && strlen(tmpdir) > 0) { |
|
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|
862 int pos = jio_snprintf(buf, buflen, "%s%s", tmpdir, os::file_separator()); |
|
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863 if (pos > 0) { |
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864 fd = expand_and_open(default_pattern, buf, buflen, pos); |
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865 } |
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866 } |
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867 } |
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868 |
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869 return fd; |
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870 } |
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871 |
| 0 | 872 void VMError::report_and_die() { |
| 873 // Don't allocate large buffer on stack | |
| 874 static char buffer[O_BUFLEN]; | |
| 875 | |
| 876 // How many errors occurred in error handler when reporting first_error. | |
| 877 static int recursive_error_count; | |
| 878 | |
| 879 // We will first print a brief message to standard out (verbose = false), | |
| 880 // then save detailed information in log file (verbose = true). | |
| 881 static bool out_done = false; // done printing to standard out | |
| 882 static bool log_done = false; // done saving error log | |
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883 static bool transmit_report_done = false; // done error reporting |
| 0 | 884 |
| 6197 | 885 // disble NMT to avoid further exception |
| 886 MemTracker::shutdown(MemTracker::NMT_error_reporting); | |
| 887 | |
| 0 | 888 if (SuppressFatalErrorMessage) { |
| 889 os::abort(); | |
| 890 } | |
| 891 jlong mytid = os::current_thread_id(); | |
| 892 if (first_error == NULL && | |
| 893 Atomic::cmpxchg_ptr(this, &first_error, NULL) == NULL) { | |
| 894 | |
| 895 // first time | |
| 896 first_error_tid = mytid; | |
| 897 set_error_reported(); | |
| 898 | |
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899 if (ShowMessageBoxOnError || PauseAtExit) { |
| 0 | 900 show_message_box(buffer, sizeof(buffer)); |
| 901 | |
| 902 // User has asked JVM to abort. Reset ShowMessageBoxOnError so the | |
| 903 // WatcherThread can kill JVM if the error handler hangs. | |
| 904 ShowMessageBoxOnError = false; | |
| 905 } | |
| 906 | |
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907 // Write a minidump on Windows, check core dump limits on Linux/Solaris |
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908 os::check_or_create_dump(_siginfo, _context, buffer, sizeof(buffer)); |
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909 |
| 0 | 910 // reset signal handlers or exception filter; make sure recursive crashes |
| 911 // are handled properly. | |
| 912 reset_signal_handlers(); | |
| 913 | |
| 914 } else { | |
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915 // If UseOsErrorReporting we call this for each level of the call stack |
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916 // while searching for the exception handler. Only the first level needs |
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917 // to be reported. |
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918 if (UseOSErrorReporting && log_done) return; |
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919 |
| 0 | 920 // This is not the first error, see if it happened in a different thread |
| 921 // or in the same thread during error reporting. | |
| 922 if (first_error_tid != mytid) { | |
| 11093 | 923 char msgbuf[64]; |
| 924 jio_snprintf(msgbuf, sizeof(msgbuf), | |
| 0 | 925 "[thread " INT64_FORMAT " also had an error]", |
| 926 mytid); | |
| 11093 | 927 out.print_raw_cr(msgbuf); |
| 0 | 928 |
| 929 // error reporting is not MT-safe, block current thread | |
| 930 os::infinite_sleep(); | |
| 931 | |
| 932 } else { | |
| 933 if (recursive_error_count++ > 30) { | |
| 934 out.print_raw_cr("[Too many errors, abort]"); | |
| 935 os::die(); | |
| 936 } | |
| 937 | |
| 938 jio_snprintf(buffer, sizeof(buffer), | |
| 939 "[error occurred during error reporting %s, id 0x%x]", | |
| 940 first_error ? first_error->_current_step_info : "", | |
| 941 _id); | |
| 942 if (log.is_open()) { | |
| 943 log.cr(); | |
| 944 log.print_raw_cr(buffer); | |
| 945 log.cr(); | |
| 946 } else { | |
| 947 out.cr(); | |
| 948 out.print_raw_cr(buffer); | |
| 949 out.cr(); | |
| 950 } | |
| 951 } | |
| 952 } | |
| 953 | |
| 954 // print to screen | |
| 955 if (!out_done) { | |
| 956 first_error->_verbose = false; | |
| 957 | |
| 958 staticBufferStream sbs(buffer, sizeof(buffer), &out); | |
| 959 first_error->report(&sbs); | |
| 960 | |
| 961 out_done = true; | |
| 962 | |
| 963 first_error->_current_step = 0; // reset current_step | |
| 964 first_error->_current_step_info = ""; // reset current_step string | |
| 965 } | |
| 966 | |
| 967 // print to error log file | |
| 968 if (!log_done) { | |
| 969 first_error->_verbose = true; | |
| 970 | |
| 971 // see if log file is already open | |
| 972 if (!log.is_open()) { | |
| 973 // open log file | |
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974 int fd = prepare_log_file(ErrorFile, "hs_err_pid%p.log", buffer, sizeof(buffer)); |
| 0 | 975 if (fd != -1) { |
| 976 out.print_raw("# An error report file with more information is saved as:\n# "); | |
| 977 out.print_raw_cr(buffer); | |
| 978 os::set_error_file(buffer); | |
| 979 | |
| 980 log.set_fd(fd); | |
| 981 } else { | |
| 982 out.print_raw_cr("# Can not save log file, dump to screen.."); | |
| 983 log.set_fd(defaultStream::output_fd()); | |
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984 /* Error reporting currently needs dumpfile. |
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985 * Maybe implement direct streaming in the future.*/ |
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986 transmit_report_done = true; |
| 0 | 987 } |
| 988 } | |
| 989 | |
| 990 staticBufferStream sbs(buffer, O_BUFLEN, &log); | |
| 991 first_error->report(&sbs); | |
| 992 first_error->_current_step = 0; // reset current_step | |
| 993 first_error->_current_step_info = ""; // reset current_step string | |
| 994 | |
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995 // Run error reporting to determine whether or not to report the crash. |
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996 if (!transmit_report_done && should_report_bug(first_error->_id)) { |
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997 transmit_report_done = true; |
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998 FILE* hs_err = os::open(log.fd(), "r"); |
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999 if (NULL != hs_err) { |
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1000 ErrorReporter er; |
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1001 er.call(hs_err, buffer, O_BUFLEN); |
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1002 } |
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1003 } |
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1004 |
| 0 | 1005 if (log.fd() != defaultStream::output_fd()) { |
| 1006 close(log.fd()); | |
| 1007 } | |
| 1008 | |
| 1009 log.set_fd(-1); | |
| 1010 log_done = true; | |
| 1011 } | |
| 1012 | |
| 1013 | |
| 1014 static bool skip_OnError = false; | |
| 1015 if (!skip_OnError && OnError && OnError[0]) { | |
| 1016 skip_OnError = true; | |
| 1017 | |
| 1018 out.print_raw_cr("#"); | |
| 1019 out.print_raw ("# -XX:OnError=\""); | |
| 1020 out.print_raw (OnError); | |
| 1021 out.print_raw_cr("\""); | |
| 1022 | |
| 1023 char* cmd; | |
| 1024 const char* ptr = OnError; | |
| 1025 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ | |
| 1026 out.print_raw ("# Executing "); | |
| 3960 | 1027 #if defined(LINUX) || defined(_ALLBSD_SOURCE) |
| 0 | 1028 out.print_raw ("/bin/sh -c "); |
| 1029 #elif defined(SOLARIS) | |
| 1030 out.print_raw ("/usr/bin/sh -c "); | |
| 1031 #endif | |
| 1032 out.print_raw ("\""); | |
| 1033 out.print_raw (cmd); | |
| 1034 out.print_raw_cr("\" ..."); | |
| 1035 | |
| 1036 os::fork_and_exec(cmd); | |
| 1037 } | |
| 1038 | |
| 1039 // done with OnError | |
| 1040 OnError = NULL; | |
| 1041 } | |
| 1042 | |
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1043 static bool skip_replay = false; |
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1044 if (DumpReplayDataOnError && _thread && _thread->is_Compiler_thread() && !skip_replay) { |
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1045 skip_replay = true; |
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1046 ciEnv* env = ciEnv::current(); |
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1047 if (env != NULL) { |
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1048 int fd = prepare_log_file(ReplayDataFile, "replay_pid%p.log", buffer, sizeof(buffer)); |
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1049 if (fd != -1) { |
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1050 FILE* replay_data_file = os::open(fd, "w"); |
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1051 if (replay_data_file != NULL) { |
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1052 fileStream replay_data_stream(replay_data_file, /*need_close=*/true); |
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1053 env->dump_replay_data(&replay_data_stream); |
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1054 out.print_raw("#\n# Compiler replay data is saved as:\n# "); |
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1055 out.print_raw_cr(buffer); |
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1056 } else { |
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1057 out.print_raw("#\n# Can't open file to dump replay data. Error: "); |
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1058 out.print_raw_cr(strerror(os::get_last_error())); |
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1059 } |
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1060 } |
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1061 } |
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1062 } |
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1063 |
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1064 static bool skip_bug_url = !should_report_bug(first_error->_id); |
| 0 | 1065 if (!skip_bug_url) { |
| 1066 skip_bug_url = true; | |
| 1067 | |
| 1068 out.print_raw_cr("#"); | |
| 1069 print_bug_submit_message(&out, _thread); | |
| 1070 } | |
| 1071 | |
| 1072 if (!UseOSErrorReporting) { | |
| 1073 // os::abort() will call abort hooks, try it first. | |
| 1074 static bool skip_os_abort = false; | |
| 1075 if (!skip_os_abort) { | |
| 1076 skip_os_abort = true; | |
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1077 bool dump_core = should_report_bug(first_error->_id); |
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1078 os::abort(dump_core); |
| 0 | 1079 } |
| 1080 | |
| 1081 // if os::abort() doesn't abort, try os::die(); | |
| 1082 os::die(); | |
| 1083 } | |
| 1084 } | |
| 1085 | |
| 1086 /* | |
| 1087 * OnOutOfMemoryError scripts/commands executed while VM is a safepoint - this | |
| 1088 * ensures utilities such as jmap can observe the process is a consistent state. | |
| 1089 */ | |
| 1090 class VM_ReportJavaOutOfMemory : public VM_Operation { | |
| 1091 private: | |
| 1092 VMError *_err; | |
| 1093 public: | |
| 1094 VM_ReportJavaOutOfMemory(VMError *err) { _err = err; } | |
| 1095 VMOp_Type type() const { return VMOp_ReportJavaOutOfMemory; } | |
| 1096 void doit(); | |
| 1097 }; | |
| 1098 | |
| 1099 void VM_ReportJavaOutOfMemory::doit() { | |
| 1100 // Don't allocate large buffer on stack | |
| 1101 static char buffer[O_BUFLEN]; | |
| 1102 | |
| 1103 tty->print_cr("#"); | |
| 1104 tty->print_cr("# java.lang.OutOfMemoryError: %s", _err->message()); | |
| 1105 tty->print_cr("# -XX:OnOutOfMemoryError=\"%s\"", OnOutOfMemoryError); | |
| 1106 | |
| 1107 // make heap parsability | |
| 1108 Universe::heap()->ensure_parsability(false); // no need to retire TLABs | |
| 1109 | |
| 1110 char* cmd; | |
| 1111 const char* ptr = OnOutOfMemoryError; | |
| 1112 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ | |
| 1113 tty->print("# Executing "); | |
| 1114 #if defined(LINUX) | |
| 1115 tty->print ("/bin/sh -c "); | |
| 1116 #elif defined(SOLARIS) | |
| 1117 tty->print ("/usr/bin/sh -c "); | |
| 1118 #endif | |
| 1119 tty->print_cr("\"%s\"...", cmd); | |
| 1120 | |
| 1121 os::fork_and_exec(cmd); | |
| 1122 } | |
| 1123 } | |
| 1124 | |
| 1125 void VMError::report_java_out_of_memory() { | |
| 1126 if (OnOutOfMemoryError && OnOutOfMemoryError[0]) { | |
| 1127 MutexLocker ml(Heap_lock); | |
| 1128 VM_ReportJavaOutOfMemory op(this); | |
| 1129 VMThread::execute(&op); | |
| 1130 } | |
| 1131 } |