Mercurial > hg > truffle
annotate src/share/vm/utilities/vmError.cpp @ 3960:f08d439fab8c
7089790: integrate bsd-port changes
Reviewed-by: kvn, twisti, jrose
Contributed-by: Kurt Miller <kurt@intricatesoftware.com>, Greg Lewis <glewis@eyesbeyond.com>, Jung-uk Kim <jkim@freebsd.org>, Christos Zoulas <christos@zoulas.com>, Landon Fuller <landonf@plausible.coop>, The FreeBSD Foundation <board@freebsdfoundation.org>, Michael Franz <mvfranz@gmail.com>, Roger Hoover <rhoover@apple.com>, Alexander Strange <astrange@apple.com>
| author | never |
|---|---|
| date | Sun, 25 Sep 2011 16:03:29 -0700 |
| parents | da091bb67459 |
| children | 53074c2c4600 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2003, 2011, 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" | |
| 28 #include "runtime/arguments.hpp" | |
| 29 #include "runtime/frame.inline.hpp" | |
| 30 #include "runtime/init.hpp" | |
| 31 #include "runtime/os.hpp" | |
| 32 #include "runtime/thread.hpp" | |
| 33 #include "runtime/vmThread.hpp" | |
| 34 #include "runtime/vm_operations.hpp" | |
| 35 #include "utilities/debug.hpp" | |
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36 #include "utilities/decoder.hpp" |
| 1972 | 37 #include "utilities/defaultStream.hpp" |
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38 #include "utilities/errorReporter.hpp" |
| 1972 | 39 #include "utilities/top.hpp" |
| 40 #include "utilities/vmError.hpp" | |
| 0 | 41 |
| 42 // List of environment variables that should be reported in error log file. | |
| 43 const char *env_list[] = { | |
| 44 // All platforms | |
| 45 "JAVA_HOME", "JRE_HOME", "JAVA_TOOL_OPTIONS", "_JAVA_OPTIONS", "CLASSPATH", | |
| 46 "JAVA_COMPILER", "PATH", "USERNAME", | |
| 47 | |
| 3960 | 48 // Env variables that are defined on Solaris/Linux/BSD |
| 0 | 49 "LD_LIBRARY_PATH", "LD_PRELOAD", "SHELL", "DISPLAY", |
| 50 "HOSTTYPE", "OSTYPE", "ARCH", "MACHTYPE", | |
| 51 | |
| 52 // defined on Linux | |
| 53 "LD_ASSUME_KERNEL", "_JAVA_SR_SIGNUM", | |
| 54 | |
| 3960 | 55 // defined on Darwin |
| 56 "DYLD_LIBRARY_PATH", "DYLD_FALLBACK_LIBRARY_PATH", | |
| 57 "DYLD_FRAMEWORK_PATH", "DYLD_FALLBACK_FRAMEWORK_PATH", | |
| 58 "DYLD_INSERT_LIBRARIES", | |
| 59 | |
| 0 | 60 // defined on Windows |
| 61 "OS", "PROCESSOR_IDENTIFIER", "_ALT_JAVA_HOME_DIR", | |
| 62 | |
| 63 (const char *)0 | |
| 64 }; | |
| 65 | |
| 66 // Fatal error handler for internal errors and crashes. | |
| 67 // | |
| 68 // The default behavior of fatal error handler is to print a brief message | |
| 69 // to standard out (defaultStream::output_fd()), then save detailed information | |
| 70 // into an error report file (hs_err_pid<pid>.log) and abort VM. If multiple | |
| 71 // threads are having troubles at the same time, only one error is reported. | |
| 72 // The thread that is reporting error will abort VM when it is done, all other | |
| 73 // threads are blocked forever inside report_and_die(). | |
| 74 | |
| 75 // Constructor for crashes | |
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76 VMError::VMError(Thread* thread, unsigned int sig, address pc, void* siginfo, void* context) { |
| 0 | 77 _thread = thread; |
| 78 _id = sig; | |
| 79 _pc = pc; | |
| 80 _siginfo = siginfo; | |
| 81 _context = context; | |
| 82 | |
| 83 _verbose = false; | |
| 84 _current_step = 0; | |
| 85 _current_step_info = NULL; | |
| 86 | |
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87 _message = NULL; |
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88 _detail_msg = NULL; |
| 0 | 89 _filename = NULL; |
| 90 _lineno = 0; | |
| 91 | |
| 92 _size = 0; | |
| 93 } | |
| 94 | |
| 95 // Constructor for internal errors | |
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96 VMError::VMError(Thread* thread, const char* filename, int lineno, |
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97 const char* message, const char * detail_msg) |
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98 { |
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99 _thread = thread; |
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100 _id = internal_error; // Value that's not an OS exception/signal |
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101 _filename = filename; |
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102 _lineno = lineno; |
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103 _message = message; |
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104 _detail_msg = detail_msg; |
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105 |
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106 _verbose = false; |
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107 _current_step = 0; |
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108 _current_step_info = NULL; |
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109 |
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110 _pc = NULL; |
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111 _siginfo = NULL; |
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112 _context = NULL; |
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113 |
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114 _size = 0; |
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115 } |
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116 |
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117 // Constructor for OOM errors |
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118 VMError::VMError(Thread* thread, const char* filename, int lineno, size_t size, |
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119 const char* message) { |
| 0 | 120 _thread = thread; |
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121 _id = oom_error; // Value that's not an OS exception/signal |
| 0 | 122 _filename = filename; |
| 123 _lineno = lineno; | |
| 124 _message = message; | |
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125 _detail_msg = NULL; |
| 0 | 126 |
| 127 _verbose = false; | |
| 128 _current_step = 0; | |
| 129 _current_step_info = NULL; | |
| 130 | |
| 131 _pc = NULL; | |
| 132 _siginfo = NULL; | |
| 133 _context = NULL; | |
| 134 | |
| 135 _size = size; | |
| 136 } | |
| 137 | |
| 138 | |
| 139 // Constructor for non-fatal errors | |
| 140 VMError::VMError(const char* message) { | |
| 141 _thread = NULL; | |
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142 _id = internal_error; // Value that's not an OS exception/signal |
| 0 | 143 _filename = NULL; |
| 144 _lineno = 0; | |
| 145 _message = message; | |
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146 _detail_msg = NULL; |
| 0 | 147 |
| 148 _verbose = false; | |
| 149 _current_step = 0; | |
| 150 _current_step_info = NULL; | |
| 151 | |
| 152 _pc = NULL; | |
| 153 _siginfo = NULL; | |
| 154 _context = NULL; | |
| 155 | |
| 156 _size = 0; | |
| 157 } | |
| 158 | |
| 159 // -XX:OnError=<string>, where <string> can be a list of commands, separated | |
| 160 // by ';'. "%p" is replaced by current process id (pid); "%%" is replaced by | |
| 161 // a single "%". Some examples: | |
| 162 // | |
| 163 // -XX:OnError="pmap %p" // show memory map | |
| 164 // -XX:OnError="gcore %p; dbx - %p" // dump core and launch debugger | |
| 165 // -XX:OnError="cat hs_err_pid%p.log | mail my_email@sun.com" | |
| 166 // -XX:OnError="kill -9 %p" // ?#!@# | |
| 167 | |
| 168 // A simple parser for -XX:OnError, usage: | |
| 169 // ptr = OnError; | |
| 170 // while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr) != NULL) | |
| 171 // ... ... | |
| 172 static char* next_OnError_command(char* buf, int buflen, const char** ptr) { | |
| 173 if (ptr == NULL || *ptr == NULL) return NULL; | |
| 174 | |
| 175 const char* cmd = *ptr; | |
| 176 | |
| 177 // skip leading blanks or ';' | |
| 178 while (*cmd == ' ' || *cmd == ';') cmd++; | |
| 179 | |
| 180 if (*cmd == '\0') return NULL; | |
| 181 | |
| 182 const char * cmdend = cmd; | |
| 183 while (*cmdend != '\0' && *cmdend != ';') cmdend++; | |
| 184 | |
| 185 Arguments::copy_expand_pid(cmd, cmdend - cmd, buf, buflen); | |
| 186 | |
| 187 *ptr = (*cmdend == '\0' ? cmdend : cmdend + 1); | |
| 188 return buf; | |
| 189 } | |
| 190 | |
| 191 | |
| 192 static void print_bug_submit_message(outputStream *out, Thread *thread) { | |
| 193 if (out == NULL) return; | |
| 194 out->print_raw_cr("# If you would like to submit a bug report, please visit:"); | |
| 195 out->print_raw ("# "); | |
| 196 out->print_raw_cr(Arguments::java_vendor_url_bug()); | |
| 197 // If the crash is in native code, encourage user to submit a bug to the | |
| 198 // provider of that code. | |
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199 if (thread && thread->is_Java_thread() && |
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200 !thread->is_hidden_from_external_view()) { |
| 0 | 201 JavaThread* jt = (JavaThread*)thread; |
| 202 if (jt->thread_state() == _thread_in_native) { | |
| 203 out->print_cr("# The crash happened outside the Java Virtual Machine in native code.\n# See problematic frame for where to report the bug."); | |
| 204 } | |
| 205 } | |
| 206 out->print_raw_cr("#"); | |
| 207 } | |
| 208 | |
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209 bool VMError::coredump_status; |
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210 char VMError::coredump_message[O_BUFLEN]; |
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211 |
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212 void VMError::report_coredump_status(const char* message, bool status) { |
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213 coredump_status = status; |
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214 strncpy(coredump_message, message, sizeof(coredump_message)); |
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215 coredump_message[sizeof(coredump_message)-1] = 0; |
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216 } |
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217 |
| 0 | 218 |
| 219 // Return a string to describe the error | |
| 220 char* VMError::error_string(char* buf, int buflen) { | |
| 221 char signame_buf[64]; | |
| 222 const char *signame = os::exception_name(_id, signame_buf, sizeof(signame_buf)); | |
| 223 | |
| 224 if (signame) { | |
| 225 jio_snprintf(buf, buflen, | |
| 226 "%s (0x%x) at pc=" PTR_FORMAT ", pid=%d, tid=" UINTX_FORMAT, | |
| 227 signame, _id, _pc, | |
| 228 os::current_process_id(), os::current_thread_id()); | |
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229 } else if (_filename != NULL && _lineno > 0) { |
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230 // skip directory names |
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231 char separator = os::file_separator()[0]; |
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232 const char *p = strrchr(_filename, separator); |
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233 int n = jio_snprintf(buf, buflen, |
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234 "Internal Error at %s:%d, pid=%d, tid=" UINTX_FORMAT, |
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235 p ? p + 1 : _filename, _lineno, |
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236 os::current_process_id(), os::current_thread_id()); |
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237 if (n >= 0 && n < buflen && _message) { |
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238 if (_detail_msg) { |
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239 jio_snprintf(buf + n, buflen - n, "%s%s: %s", |
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240 os::line_separator(), _message, _detail_msg); |
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241 } else { |
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242 jio_snprintf(buf + n, buflen - n, "%sError: %s", |
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243 os::line_separator(), _message); |
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244 } |
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245 } |
| 0 | 246 } else { |
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247 jio_snprintf(buf, buflen, |
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248 "Internal Error (0x%x), pid=%d, tid=" UINTX_FORMAT, |
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249 _id, os::current_process_id(), os::current_thread_id()); |
| 0 | 250 } |
| 251 | |
| 252 return buf; | |
| 253 } | |
| 254 | |
| 1384 | 255 void VMError::print_stack_trace(outputStream* st, JavaThread* jt, |
| 256 char* buf, int buflen, bool verbose) { | |
| 257 #ifdef ZERO | |
| 258 if (jt->zero_stack()->sp() && jt->top_zero_frame()) { | |
| 259 // StackFrameStream uses the frame anchor, which may not have | |
| 260 // been set up. This can be done at any time in Zero, however, | |
| 261 // so if it hasn't been set up then we just set it up now and | |
| 262 // clear it again when we're done. | |
| 263 bool has_last_Java_frame = jt->has_last_Java_frame(); | |
| 264 if (!has_last_Java_frame) | |
| 265 jt->set_last_Java_frame(); | |
| 266 st->print("Java frames:"); | |
| 267 | |
| 268 // If the top frame is a Shark frame and the frame anchor isn't | |
| 269 // set up then it's possible that the information in the frame | |
| 270 // is garbage: it could be from a previous decache, or it could | |
| 271 // simply have never been written. So we print a warning... | |
| 272 StackFrameStream sfs(jt); | |
| 273 if (!has_last_Java_frame && !sfs.is_done()) { | |
| 274 if (sfs.current()->zeroframe()->is_shark_frame()) { | |
| 275 st->print(" (TOP FRAME MAY BE JUNK)"); | |
| 276 } | |
| 277 } | |
| 278 st->cr(); | |
| 279 | |
| 280 // Print the frames | |
| 281 for(int i = 0; !sfs.is_done(); sfs.next(), i++) { | |
| 282 sfs.current()->zero_print_on_error(i, st, buf, buflen); | |
| 283 st->cr(); | |
| 284 } | |
| 285 | |
| 286 // Reset the frame anchor if necessary | |
| 287 if (!has_last_Java_frame) | |
| 288 jt->reset_last_Java_frame(); | |
| 289 } | |
| 290 #else | |
| 291 if (jt->has_last_Java_frame()) { | |
| 292 st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)"); | |
| 293 for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) { | |
| 294 sfs.current()->print_on_error(st, buf, buflen, verbose); | |
| 295 st->cr(); | |
| 296 } | |
| 297 } | |
| 298 #endif // ZERO | |
| 299 } | |
| 0 | 300 |
| 301 // This is the main function to report a fatal error. Only one thread can | |
| 302 // call this function, so we don't need to worry about MT-safety. But it's | |
| 303 // possible that the error handler itself may crash or die on an internal | |
| 304 // error, for example, when the stack/heap is badly damaged. We must be | |
| 305 // able to handle recursive errors that happen inside error handler. | |
| 306 // | |
| 307 // Error reporting is done in several steps. If a crash or internal error | |
| 308 // occurred when reporting an error, the nested signal/exception handler | |
| 309 // can skip steps that are already (or partially) done. Error reporting will | |
| 310 // continue from the next step. This allows us to retrieve and print | |
| 311 // information that may be unsafe to get after a fatal error. If it happens, | |
| 312 // you may find nested report_and_die() frames when you look at the stack | |
| 313 // in a debugger. | |
| 314 // | |
| 315 // In general, a hang in error handler is much worse than a crash or internal | |
| 316 // error, as it's harder to recover from a hang. Deadlock can happen if we | |
| 317 // try to grab a lock that is already owned by current thread, or if the | |
| 318 // owner is blocked forever (e.g. in os::infinite_sleep()). If possible, the | |
| 319 // error handler and all the functions it called should avoid grabbing any | |
| 320 // lock. An important thing to notice is that memory allocation needs a lock. | |
| 321 // | |
| 322 // We should avoid using large stack allocated buffers. Many errors happen | |
| 323 // when stack space is already low. Making things even worse is that there | |
| 324 // could be nested report_and_die() calls on stack (see above). Only one | |
| 325 // thread can report error, so large buffers are statically allocated in data | |
| 326 // segment. | |
| 327 | |
| 328 void VMError::report(outputStream* st) { | |
| 329 # define BEGIN if (_current_step == 0) { _current_step = 1; | |
| 330 # define STEP(n, s) } if (_current_step < n) { _current_step = n; _current_step_info = s; | |
| 331 # define END } | |
| 332 | |
| 333 // don't allocate large buffer on stack | |
| 334 static char buf[O_BUFLEN]; | |
| 335 | |
| 336 BEGIN | |
| 337 | |
|
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338 STEP(10, "(printing fatal error message)") |
| 0 | 339 |
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340 st->print_cr("#"); |
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341 if (should_report_bug(_id)) { |
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342 st->print_cr("# A fatal error has been detected by the Java Runtime Environment:"); |
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343 } else { |
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344 st->print_cr("# There is insufficient memory for the Java " |
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345 "Runtime Environment to continue."); |
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346 } |
| 0 | 347 |
| 348 STEP(15, "(printing type of error)") | |
| 349 | |
| 350 switch(_id) { | |
| 351 case oom_error: | |
| 352 if (_size) { | |
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353 st->print("# Native memory allocation (malloc) failed to allocate "); |
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354 jio_snprintf(buf, sizeof(buf), SIZE_FORMAT, _size); |
| 0 | 355 st->print(buf); |
| 356 st->print(" bytes"); | |
| 357 if (_message != NULL) { | |
| 358 st->print(" for "); | |
| 359 st->print(_message); | |
| 360 } | |
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361 st->cr(); |
| 0 | 362 } else { |
| 363 if (_message != NULL) | |
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364 st->print("# "); |
| 0 | 365 st->print_cr(_message); |
| 366 } | |
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367 // In error file give some solutions |
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368 if (_verbose) { |
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369 st->print_cr("# Possible reasons:"); |
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370 st->print_cr("# The system is out of physical RAM or swap space"); |
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371 st->print_cr("# In 32 bit mode, the process size limit was hit"); |
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372 st->print_cr("# Possible solutions:"); |
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373 st->print_cr("# Reduce memory load on the system"); |
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374 st->print_cr("# Increase physical memory or swap space"); |
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375 st->print_cr("# Check if swap backing store is full"); |
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376 st->print_cr("# Use 64 bit Java on a 64 bit OS"); |
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377 st->print_cr("# Decrease Java heap size (-Xmx/-Xms)"); |
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378 st->print_cr("# Decrease number of Java threads"); |
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379 st->print_cr("# Decrease Java thread stack sizes (-Xss)"); |
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380 st->print_cr("# Set larger code cache with -XX:ReservedCodeCacheSize="); |
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381 st->print_cr("# This output file may be truncated or incomplete."); |
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382 } else { |
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383 return; // that's enough for the screen |
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384 } |
| 0 | 385 break; |
| 386 case internal_error: | |
| 387 default: | |
| 388 break; | |
| 389 } | |
| 390 | |
| 391 STEP(20, "(printing exception/signal name)") | |
| 392 | |
| 393 st->print_cr("#"); | |
| 394 st->print("# "); | |
| 395 // Is it an OS exception/signal? | |
| 396 if (os::exception_name(_id, buf, sizeof(buf))) { | |
| 397 st->print("%s", buf); | |
| 398 st->print(" (0x%x)", _id); // signal number | |
| 399 st->print(" at pc=" PTR_FORMAT, _pc); | |
| 400 } else { | |
|
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401 if (should_report_bug(_id)) { |
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402 st->print("Internal Error"); |
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403 } else { |
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404 st->print("Out of Memory Error"); |
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405 } |
| 0 | 406 if (_filename != NULL && _lineno > 0) { |
| 407 #ifdef PRODUCT | |
| 408 // In product mode chop off pathname? | |
| 409 char separator = os::file_separator()[0]; | |
| 410 const char *p = strrchr(_filename, separator); | |
| 411 const char *file = p ? p+1 : _filename; | |
| 412 #else | |
| 413 const char *file = _filename; | |
| 414 #endif | |
| 415 size_t len = strlen(file); | |
| 416 size_t buflen = sizeof(buf); | |
| 417 | |
| 418 strncpy(buf, file, buflen); | |
| 419 if (len + 10 < buflen) { | |
|
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420 sprintf(buf + len, ":%d", _lineno); |
| 0 | 421 } |
| 422 st->print(" (%s)", buf); | |
| 423 } else { | |
| 424 st->print(" (0x%x)", _id); | |
| 425 } | |
| 426 } | |
| 427 | |
| 428 STEP(30, "(printing current thread and pid)") | |
| 429 | |
| 430 // process id, thread id | |
| 431 st->print(", pid=%d", os::current_process_id()); | |
| 432 st->print(", tid=" UINTX_FORMAT, os::current_thread_id()); | |
| 433 st->cr(); | |
| 434 | |
| 435 STEP(40, "(printing error message)") | |
| 436 | |
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437 if (should_report_bug(_id)) { // already printed the message. |
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438 // error message |
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439 if (_detail_msg) { |
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440 st->print_cr("# %s: %s", _message ? _message : "Error", _detail_msg); |
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441 } else if (_message) { |
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442 st->print_cr("# Error: %s", _message); |
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443 } |
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444 } |
| 0 | 445 |
| 446 STEP(50, "(printing Java version string)") | |
| 447 | |
| 448 // VM version | |
| 449 st->print_cr("#"); | |
|
473
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450 JDK_Version::current().to_string(buf, sizeof(buf)); |
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451 st->print_cr("# JRE version: %s", buf); |
|
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452 st->print_cr("# Java VM: %s (%s %s %s %s)", |
| 0 | 453 Abstract_VM_Version::vm_name(), |
| 454 Abstract_VM_Version::vm_release(), | |
| 455 Abstract_VM_Version::vm_info_string(), | |
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456 Abstract_VM_Version::vm_platform_string(), |
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457 UseCompressedOops ? "compressed oops" : "" |
| 0 | 458 ); |
| 459 | |
| 460 STEP(60, "(printing problematic frame)") | |
| 461 | |
| 462 // Print current frame if we have a context (i.e. it's a crash) | |
| 463 if (_context) { | |
| 464 st->print_cr("# Problematic frame:"); | |
| 465 st->print("# "); | |
| 466 frame fr = os::fetch_frame_from_context(_context); | |
| 467 fr.print_on_error(st, buf, sizeof(buf)); | |
| 468 st->cr(); | |
| 469 st->print_cr("#"); | |
| 470 } | |
|
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471 STEP(63, "(printing core file information)") |
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472 st->print("# "); |
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473 if (coredump_status) { |
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474 st->print("Core dump written. Default location: %s", coredump_message); |
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475 } else { |
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476 st->print("Failed to write core dump. %s", coredump_message); |
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477 } |
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478 st->print_cr(""); |
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479 st->print_cr("#"); |
| 0 | 480 |
| 481 STEP(65, "(printing bug submit message)") | |
| 482 | |
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483 if (should_report_bug(_id) && _verbose) { |
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484 print_bug_submit_message(st, _thread); |
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485 } |
| 0 | 486 |
| 487 STEP(70, "(printing thread)" ) | |
| 488 | |
| 489 if (_verbose) { | |
| 490 st->cr(); | |
| 491 st->print_cr("--------------- T H R E A D ---------------"); | |
| 492 st->cr(); | |
| 493 } | |
| 494 | |
| 495 STEP(80, "(printing current thread)" ) | |
| 496 | |
| 497 // current thread | |
| 498 if (_verbose) { | |
| 499 if (_thread) { | |
| 500 st->print("Current thread (" PTR_FORMAT "): ", _thread); | |
| 501 _thread->print_on_error(st, buf, sizeof(buf)); | |
| 502 st->cr(); | |
| 503 } else { | |
| 504 st->print_cr("Current thread is native thread"); | |
| 505 } | |
| 506 st->cr(); | |
| 507 } | |
| 508 | |
| 509 STEP(90, "(printing siginfo)" ) | |
| 510 | |
| 511 // signal no, signal code, address that caused the fault | |
| 512 if (_verbose && _siginfo) { | |
| 513 os::print_siginfo(st, _siginfo); | |
| 514 st->cr(); | |
| 515 } | |
| 516 | |
| 517 STEP(100, "(printing registers, top of stack, instructions near pc)") | |
| 518 | |
| 519 // registers, top of stack, instructions near pc | |
| 520 if (_verbose && _context) { | |
| 521 os::print_context(st, _context); | |
| 522 st->cr(); | |
| 523 } | |
| 524 | |
| 1907 | 525 STEP(105, "(printing register info)") |
| 526 | |
| 527 // decode register contents if possible | |
| 528 if (_verbose && _context && Universe::is_fully_initialized()) { | |
| 529 os::print_register_info(st, _context); | |
| 530 st->cr(); | |
| 531 } | |
| 532 | |
| 0 | 533 STEP(110, "(printing stack bounds)" ) |
| 534 | |
| 535 if (_verbose) { | |
| 536 st->print("Stack: "); | |
| 537 | |
| 538 address stack_top; | |
| 539 size_t stack_size; | |
| 540 | |
| 541 if (_thread) { | |
| 542 stack_top = _thread->stack_base(); | |
| 543 stack_size = _thread->stack_size(); | |
| 544 } else { | |
| 545 stack_top = os::current_stack_base(); | |
| 546 stack_size = os::current_stack_size(); | |
| 547 } | |
| 548 | |
| 549 address stack_bottom = stack_top - stack_size; | |
| 550 st->print("[" PTR_FORMAT "," PTR_FORMAT "]", stack_bottom, stack_top); | |
| 551 | |
| 552 frame fr = _context ? os::fetch_frame_from_context(_context) | |
| 553 : os::current_frame(); | |
| 554 | |
| 555 if (fr.sp()) { | |
| 556 st->print(", sp=" PTR_FORMAT, fr.sp()); | |
|
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557 size_t free_stack_size = pointer_delta(fr.sp(), stack_bottom, 1024); |
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558 st->print(", free space=" SIZE_FORMAT "k", free_stack_size); |
| 0 | 559 } |
| 560 | |
| 561 st->cr(); | |
| 562 } | |
| 563 | |
| 564 STEP(120, "(printing native stack)" ) | |
| 565 | |
| 566 if (_verbose) { | |
| 567 frame fr = _context ? os::fetch_frame_from_context(_context) | |
| 568 : os::current_frame(); | |
| 569 | |
| 570 // see if it's a valid frame | |
| 571 if (fr.pc()) { | |
| 572 st->print_cr("Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)"); | |
| 573 | |
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574 // initialize decoder to decode C frames |
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575 Decoder decoder; |
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576 |
| 0 | 577 int count = 0; |
| 578 while (count++ < StackPrintLimit) { | |
| 579 fr.print_on_error(st, buf, sizeof(buf)); | |
| 580 st->cr(); | |
| 581 if (os::is_first_C_frame(&fr)) break; | |
| 582 fr = os::get_sender_for_C_frame(&fr); | |
| 583 } | |
| 584 | |
| 585 if (count > StackPrintLimit) { | |
| 586 st->print_cr("...<more frames>..."); | |
| 587 } | |
| 588 | |
| 589 st->cr(); | |
| 590 } | |
| 591 } | |
| 592 | |
| 593 STEP(130, "(printing Java stack)" ) | |
| 594 | |
| 595 if (_verbose && _thread && _thread->is_Java_thread()) { | |
| 1384 | 596 print_stack_trace(st, (JavaThread*)_thread, buf, sizeof(buf)); |
| 0 | 597 } |
| 598 | |
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599 STEP(135, "(printing target Java thread stack)" ) |
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600 |
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601 // printing Java thread stack trace if it is involved in GC crash |
| 1907 | 602 if (_verbose && _thread && (_thread->is_Named_thread())) { |
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603 JavaThread* jt = ((NamedThread *)_thread)->processed_thread(); |
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604 if (jt != NULL) { |
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605 st->print_cr("JavaThread " PTR_FORMAT " (nid = " UINTX_FORMAT ") was being processed", jt, jt->osthread()->thread_id()); |
| 1384 | 606 print_stack_trace(st, jt, buf, sizeof(buf), true); |
|
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607 } |
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608 } |
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609 |
| 0 | 610 STEP(140, "(printing VM operation)" ) |
| 611 | |
| 612 if (_verbose && _thread && _thread->is_VM_thread()) { | |
| 613 VMThread* t = (VMThread*)_thread; | |
| 614 VM_Operation* op = t->vm_operation(); | |
| 615 if (op) { | |
| 616 op->print_on_error(st); | |
| 617 st->cr(); | |
| 618 st->cr(); | |
| 619 } | |
| 620 } | |
| 621 | |
| 622 STEP(150, "(printing current compile task)" ) | |
| 623 | |
| 624 if (_verbose && _thread && _thread->is_Compiler_thread()) { | |
| 625 CompilerThread* t = (CompilerThread*)_thread; | |
| 626 if (t->task()) { | |
| 627 st->cr(); | |
| 628 st->print_cr("Current CompileTask:"); | |
| 629 t->task()->print_line_on_error(st, buf, sizeof(buf)); | |
| 630 st->cr(); | |
| 631 } | |
| 632 } | |
| 633 | |
| 634 STEP(160, "(printing process)" ) | |
| 635 | |
| 636 if (_verbose) { | |
| 637 st->cr(); | |
| 638 st->print_cr("--------------- P R O C E S S ---------------"); | |
| 639 st->cr(); | |
| 640 } | |
| 641 | |
| 642 STEP(170, "(printing all threads)" ) | |
| 643 | |
| 644 // all threads | |
| 645 if (_verbose && _thread) { | |
| 646 Threads::print_on_error(st, _thread, buf, sizeof(buf)); | |
| 647 st->cr(); | |
| 648 } | |
| 649 | |
| 650 STEP(175, "(printing VM state)" ) | |
| 651 | |
| 652 if (_verbose) { | |
| 653 // Safepoint state | |
| 654 st->print("VM state:"); | |
| 655 | |
| 656 if (SafepointSynchronize::is_synchronizing()) st->print("synchronizing"); | |
| 657 else if (SafepointSynchronize::is_at_safepoint()) st->print("at safepoint"); | |
| 658 else st->print("not at safepoint"); | |
| 659 | |
| 660 // Also see if error occurred during initialization or shutdown | |
| 661 if (!Universe::is_fully_initialized()) { | |
| 662 st->print(" (not fully initialized)"); | |
| 663 } else if (VM_Exit::vm_exited()) { | |
| 664 st->print(" (shutting down)"); | |
| 665 } else { | |
| 666 st->print(" (normal execution)"); | |
| 667 } | |
| 668 st->cr(); | |
| 669 st->cr(); | |
| 670 } | |
| 671 | |
| 672 STEP(180, "(printing owned locks on error)" ) | |
| 673 | |
| 674 // mutexes/monitors that currently have an owner | |
| 675 if (_verbose) { | |
| 676 print_owned_locks_on_error(st); | |
| 677 st->cr(); | |
| 678 } | |
| 679 | |
| 680 STEP(190, "(printing heap information)" ) | |
| 681 | |
| 682 if (_verbose && Universe::is_fully_initialized()) { | |
| 683 // print heap information before vm abort | |
| 684 Universe::print_on(st); | |
| 685 st->cr(); | |
| 686 } | |
| 687 | |
| 1907 | 688 STEP(195, "(printing code cache information)" ) |
| 689 | |
| 690 if (_verbose && Universe::is_fully_initialized()) { | |
| 691 // print code cache information before vm abort | |
| 692 CodeCache::print_bounds(st); | |
| 693 st->cr(); | |
| 694 } | |
| 695 | |
| 0 | 696 STEP(200, "(printing dynamic libraries)" ) |
| 697 | |
| 698 if (_verbose) { | |
| 699 // dynamic libraries, or memory map | |
| 700 os::print_dll_info(st); | |
| 701 st->cr(); | |
| 702 } | |
| 703 | |
| 704 STEP(210, "(printing VM options)" ) | |
| 705 | |
| 706 if (_verbose) { | |
| 707 // VM options | |
| 708 Arguments::print_on(st); | |
| 709 st->cr(); | |
| 710 } | |
| 711 | |
| 712 STEP(220, "(printing environment variables)" ) | |
| 713 | |
| 714 if (_verbose) { | |
| 715 os::print_environment_variables(st, env_list, buf, sizeof(buf)); | |
| 716 st->cr(); | |
| 717 } | |
| 718 | |
| 719 STEP(225, "(printing signal handlers)" ) | |
| 720 | |
| 721 if (_verbose) { | |
| 722 os::print_signal_handlers(st, buf, sizeof(buf)); | |
| 723 st->cr(); | |
| 724 } | |
| 725 | |
| 726 STEP(230, "" ) | |
| 727 | |
| 728 if (_verbose) { | |
| 729 st->cr(); | |
| 730 st->print_cr("--------------- S Y S T E M ---------------"); | |
| 731 st->cr(); | |
| 732 } | |
| 733 | |
| 734 STEP(240, "(printing OS information)" ) | |
| 735 | |
| 736 if (_verbose) { | |
| 737 os::print_os_info(st); | |
| 738 st->cr(); | |
| 739 } | |
| 740 | |
| 741 STEP(250, "(printing CPU info)" ) | |
| 742 if (_verbose) { | |
| 743 os::print_cpu_info(st); | |
| 744 st->cr(); | |
| 745 } | |
| 746 | |
| 747 STEP(260, "(printing memory info)" ) | |
| 748 | |
| 749 if (_verbose) { | |
| 750 os::print_memory_info(st); | |
| 751 st->cr(); | |
| 752 } | |
| 753 | |
| 754 STEP(270, "(printing internal vm info)" ) | |
| 755 | |
| 756 if (_verbose) { | |
| 757 st->print_cr("vm_info: %s", Abstract_VM_Version::internal_vm_info_string()); | |
| 758 st->cr(); | |
| 759 } | |
| 760 | |
| 761 STEP(280, "(printing date and time)" ) | |
| 762 | |
| 763 if (_verbose) { | |
| 764 os::print_date_and_time(st); | |
| 765 st->cr(); | |
| 766 } | |
| 767 | |
| 768 END | |
| 769 | |
| 770 # undef BEGIN | |
| 771 # undef STEP | |
| 772 # undef END | |
| 773 } | |
| 774 | |
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775 VMError* volatile VMError::first_error = NULL; |
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776 volatile jlong VMError::first_error_tid = -1; |
| 0 | 777 |
| 778 void VMError::report_and_die() { | |
| 779 // Don't allocate large buffer on stack | |
| 780 static char buffer[O_BUFLEN]; | |
| 781 | |
| 782 // An error could happen before tty is initialized or after it has been | |
| 783 // destroyed. Here we use a very simple unbuffered fdStream for printing. | |
| 784 // Only out.print_raw() and out.print_raw_cr() should be used, as other | |
| 785 // printing methods need to allocate large buffer on stack. To format a | |
| 786 // string, use jio_snprintf() with a static buffer or use staticBufferStream. | |
| 787 static fdStream out(defaultStream::output_fd()); | |
| 788 | |
| 789 // How many errors occurred in error handler when reporting first_error. | |
| 790 static int recursive_error_count; | |
| 791 | |
| 792 // We will first print a brief message to standard out (verbose = false), | |
| 793 // then save detailed information in log file (verbose = true). | |
| 794 static bool out_done = false; // done printing to standard out | |
| 795 static bool log_done = false; // done saving error log | |
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796 static bool transmit_report_done = false; // done error reporting |
| 0 | 797 static fdStream log; // error log |
| 798 | |
| 799 if (SuppressFatalErrorMessage) { | |
| 800 os::abort(); | |
| 801 } | |
| 802 jlong mytid = os::current_thread_id(); | |
| 803 if (first_error == NULL && | |
| 804 Atomic::cmpxchg_ptr(this, &first_error, NULL) == NULL) { | |
| 805 | |
| 806 // first time | |
| 807 first_error_tid = mytid; | |
| 808 set_error_reported(); | |
| 809 | |
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810 if (ShowMessageBoxOnError || PauseAtExit) { |
| 0 | 811 show_message_box(buffer, sizeof(buffer)); |
| 812 | |
| 813 // User has asked JVM to abort. Reset ShowMessageBoxOnError so the | |
| 814 // WatcherThread can kill JVM if the error handler hangs. | |
| 815 ShowMessageBoxOnError = false; | |
| 816 } | |
| 817 | |
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818 // Write a minidump on Windows, check core dump limits on Linux/Solaris |
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819 os::check_or_create_dump(_siginfo, _context, buffer, sizeof(buffer)); |
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820 |
| 0 | 821 // reset signal handlers or exception filter; make sure recursive crashes |
| 822 // are handled properly. | |
| 823 reset_signal_handlers(); | |
| 824 | |
| 825 } else { | |
|
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826 // If UseOsErrorReporting we call this for each level of the call stack |
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827 // while searching for the exception handler. Only the first level needs |
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828 // to be reported. |
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829 if (UseOSErrorReporting && log_done) return; |
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830 |
| 0 | 831 // This is not the first error, see if it happened in a different thread |
| 832 // or in the same thread during error reporting. | |
| 833 if (first_error_tid != mytid) { | |
| 834 jio_snprintf(buffer, sizeof(buffer), | |
| 835 "[thread " INT64_FORMAT " also had an error]", | |
| 836 mytid); | |
| 837 out.print_raw_cr(buffer); | |
| 838 | |
| 839 // error reporting is not MT-safe, block current thread | |
| 840 os::infinite_sleep(); | |
| 841 | |
| 842 } else { | |
| 843 if (recursive_error_count++ > 30) { | |
| 844 out.print_raw_cr("[Too many errors, abort]"); | |
| 845 os::die(); | |
| 846 } | |
| 847 | |
| 848 jio_snprintf(buffer, sizeof(buffer), | |
| 849 "[error occurred during error reporting %s, id 0x%x]", | |
| 850 first_error ? first_error->_current_step_info : "", | |
| 851 _id); | |
| 852 if (log.is_open()) { | |
| 853 log.cr(); | |
| 854 log.print_raw_cr(buffer); | |
| 855 log.cr(); | |
| 856 } else { | |
| 857 out.cr(); | |
| 858 out.print_raw_cr(buffer); | |
| 859 out.cr(); | |
| 860 } | |
| 861 } | |
| 862 } | |
| 863 | |
| 864 // print to screen | |
| 865 if (!out_done) { | |
| 866 first_error->_verbose = false; | |
| 867 | |
| 868 staticBufferStream sbs(buffer, sizeof(buffer), &out); | |
| 869 first_error->report(&sbs); | |
| 870 | |
| 871 out_done = true; | |
| 872 | |
| 873 first_error->_current_step = 0; // reset current_step | |
| 874 first_error->_current_step_info = ""; // reset current_step string | |
| 875 } | |
| 876 | |
| 877 // print to error log file | |
| 878 if (!log_done) { | |
| 879 first_error->_verbose = true; | |
| 880 | |
| 881 // see if log file is already open | |
| 882 if (!log.is_open()) { | |
| 883 // open log file | |
| 884 int fd = -1; | |
| 885 | |
| 886 if (ErrorFile != NULL) { | |
| 887 bool copy_ok = | |
| 888 Arguments::copy_expand_pid(ErrorFile, strlen(ErrorFile), buffer, sizeof(buffer)); | |
| 889 if (copy_ok) { | |
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890 fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666); |
| 0 | 891 } |
| 892 } | |
| 893 | |
| 894 if (fd == -1) { | |
| 895 const char *cwd = os::get_current_directory(buffer, sizeof(buffer)); | |
| 896 size_t len = strlen(cwd); | |
| 897 // either user didn't specify, or the user's location failed, | |
| 898 // so use the default name in the current directory | |
| 899 jio_snprintf(&buffer[len], sizeof(buffer)-len, "%shs_err_pid%u.log", | |
| 900 os::file_separator(), os::current_process_id()); | |
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901 fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666); |
| 0 | 902 } |
| 903 | |
| 904 if (fd == -1) { | |
| 905 const char * tmpdir = os::get_temp_directory(); | |
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906 // try temp directory if it exists. |
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907 if (tmpdir != NULL && tmpdir[0] != '\0') { |
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908 jio_snprintf(buffer, sizeof(buffer), "%s%shs_err_pid%u.log", |
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909 tmpdir, os::file_separator(), os::current_process_id()); |
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910 fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666); |
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911 } |
| 0 | 912 } |
| 913 | |
| 914 if (fd != -1) { | |
| 915 out.print_raw("# An error report file with more information is saved as:\n# "); | |
| 916 out.print_raw_cr(buffer); | |
| 917 os::set_error_file(buffer); | |
| 918 | |
| 919 log.set_fd(fd); | |
| 920 } else { | |
| 921 out.print_raw_cr("# Can not save log file, dump to screen.."); | |
| 922 log.set_fd(defaultStream::output_fd()); | |
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923 /* Error reporting currently needs dumpfile. |
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924 * Maybe implement direct streaming in the future.*/ |
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925 transmit_report_done = true; |
| 0 | 926 } |
| 927 } | |
| 928 | |
| 929 staticBufferStream sbs(buffer, O_BUFLEN, &log); | |
| 930 first_error->report(&sbs); | |
| 931 first_error->_current_step = 0; // reset current_step | |
| 932 first_error->_current_step_info = ""; // reset current_step string | |
| 933 | |
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934 // Run error reporting to determine whether or not to report the crash. |
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935 if (!transmit_report_done && should_report_bug(first_error->_id)) { |
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936 transmit_report_done = true; |
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937 FILE* hs_err = ::fdopen(log.fd(), "r"); |
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938 if (NULL != hs_err) { |
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939 ErrorReporter er; |
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940 er.call(hs_err, buffer, O_BUFLEN); |
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941 } |
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942 } |
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943 |
| 0 | 944 if (log.fd() != defaultStream::output_fd()) { |
| 945 close(log.fd()); | |
| 946 } | |
| 947 | |
| 948 log.set_fd(-1); | |
| 949 log_done = true; | |
| 950 } | |
| 951 | |
| 952 | |
| 953 static bool skip_OnError = false; | |
| 954 if (!skip_OnError && OnError && OnError[0]) { | |
| 955 skip_OnError = true; | |
| 956 | |
| 957 out.print_raw_cr("#"); | |
| 958 out.print_raw ("# -XX:OnError=\""); | |
| 959 out.print_raw (OnError); | |
| 960 out.print_raw_cr("\""); | |
| 961 | |
| 962 char* cmd; | |
| 963 const char* ptr = OnError; | |
| 964 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ | |
| 965 out.print_raw ("# Executing "); | |
| 3960 | 966 #if defined(LINUX) || defined(_ALLBSD_SOURCE) |
| 0 | 967 out.print_raw ("/bin/sh -c "); |
| 968 #elif defined(SOLARIS) | |
| 969 out.print_raw ("/usr/bin/sh -c "); | |
| 970 #endif | |
| 971 out.print_raw ("\""); | |
| 972 out.print_raw (cmd); | |
| 973 out.print_raw_cr("\" ..."); | |
| 974 | |
| 975 os::fork_and_exec(cmd); | |
| 976 } | |
| 977 | |
| 978 // done with OnError | |
| 979 OnError = NULL; | |
| 980 } | |
| 981 | |
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982 static bool skip_bug_url = !should_report_bug(first_error->_id); |
| 0 | 983 if (!skip_bug_url) { |
| 984 skip_bug_url = true; | |
| 985 | |
| 986 out.print_raw_cr("#"); | |
| 987 print_bug_submit_message(&out, _thread); | |
| 988 } | |
| 989 | |
| 990 if (!UseOSErrorReporting) { | |
| 991 // os::abort() will call abort hooks, try it first. | |
| 992 static bool skip_os_abort = false; | |
| 993 if (!skip_os_abort) { | |
| 994 skip_os_abort = true; | |
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995 bool dump_core = should_report_bug(first_error->_id); |
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996 os::abort(dump_core); |
| 0 | 997 } |
| 998 | |
| 999 // if os::abort() doesn't abort, try os::die(); | |
| 1000 os::die(); | |
| 1001 } | |
| 1002 } | |
| 1003 | |
| 1004 /* | |
| 1005 * OnOutOfMemoryError scripts/commands executed while VM is a safepoint - this | |
| 1006 * ensures utilities such as jmap can observe the process is a consistent state. | |
| 1007 */ | |
| 1008 class VM_ReportJavaOutOfMemory : public VM_Operation { | |
| 1009 private: | |
| 1010 VMError *_err; | |
| 1011 public: | |
| 1012 VM_ReportJavaOutOfMemory(VMError *err) { _err = err; } | |
| 1013 VMOp_Type type() const { return VMOp_ReportJavaOutOfMemory; } | |
| 1014 void doit(); | |
| 1015 }; | |
| 1016 | |
| 1017 void VM_ReportJavaOutOfMemory::doit() { | |
| 1018 // Don't allocate large buffer on stack | |
| 1019 static char buffer[O_BUFLEN]; | |
| 1020 | |
| 1021 tty->print_cr("#"); | |
| 1022 tty->print_cr("# java.lang.OutOfMemoryError: %s", _err->message()); | |
| 1023 tty->print_cr("# -XX:OnOutOfMemoryError=\"%s\"", OnOutOfMemoryError); | |
| 1024 | |
| 1025 // make heap parsability | |
| 1026 Universe::heap()->ensure_parsability(false); // no need to retire TLABs | |
| 1027 | |
| 1028 char* cmd; | |
| 1029 const char* ptr = OnOutOfMemoryError; | |
| 1030 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ | |
| 1031 tty->print("# Executing "); | |
| 1032 #if defined(LINUX) | |
| 1033 tty->print ("/bin/sh -c "); | |
| 1034 #elif defined(SOLARIS) | |
| 1035 tty->print ("/usr/bin/sh -c "); | |
| 1036 #endif | |
| 1037 tty->print_cr("\"%s\"...", cmd); | |
| 1038 | |
| 1039 os::fork_and_exec(cmd); | |
| 1040 } | |
| 1041 } | |
| 1042 | |
| 1043 void VMError::report_java_out_of_memory() { | |
| 1044 if (OnOutOfMemoryError && OnOutOfMemoryError[0]) { | |
| 1045 MutexLocker ml(Heap_lock); | |
| 1046 VM_ReportJavaOutOfMemory op(this); | |
| 1047 VMThread::execute(&op); | |
| 1048 } | |
| 1049 } |