vmError.cpp revision 10627:1537c752a7f5
1238106Sdes/* 2238106Sdes * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved. 3238106Sdes * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4238106Sdes * 5238106Sdes * This code is free software; you can redistribute it and/or modify it 6238106Sdes * under the terms of the GNU General Public License version 2 only, as 7238106Sdes * published by the Free Software Foundation. 8238106Sdes * 9238106Sdes * This code is distributed in the hope that it will be useful, but WITHOUT 10238106Sdes * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11238106Sdes * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12238106Sdes * version 2 for more details (a copy is included in the LICENSE file that 13238106Sdes * accompanied this code). 14238106Sdes * 15238106Sdes * You should have received a copy of the GNU General Public License version 16238106Sdes * 2 along with this work; if not, write to the Free Software Foundation, 17238106Sdes * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18238106Sdes * 19238106Sdes * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20238106Sdes * or visit www.oracle.com if you need additional information or have any 21238106Sdes * questions. 22238106Sdes * 23238106Sdes */ 24238106Sdes 25238106Sdes#include <fcntl.h> 26238106Sdes#include "precompiled.hpp" 27238106Sdes#include "code/codeCache.hpp" 28238106Sdes#include "compiler/compileBroker.hpp" 29238106Sdes#include "compiler/disassembler.hpp" 30238106Sdes#include "gc/shared/collectedHeap.hpp" 31238106Sdes#include "prims/whitebox.hpp" 32238106Sdes#include "runtime/arguments.hpp" 33238106Sdes#include "runtime/atomic.inline.hpp" 34238106Sdes#include "runtime/frame.inline.hpp" 35238106Sdes#include "runtime/init.hpp" 36238106Sdes#include "runtime/os.hpp" 37238106Sdes#include "runtime/thread.inline.hpp" 38238106Sdes#include "runtime/vmThread.hpp" 39238106Sdes#include "runtime/vm_operations.hpp" 40238106Sdes#include "services/memTracker.hpp" 41238106Sdes#include "utilities/debug.hpp" 42238106Sdes#include "utilities/decoder.hpp" 43238106Sdes#include "utilities/defaultStream.hpp" 44238106Sdes#include "utilities/errorReporter.hpp" 45238106Sdes#include "utilities/events.hpp" 46238106Sdes#include "utilities/top.hpp" 47238106Sdes#include "utilities/vmError.hpp" 48238106Sdes 49238106Sdes// List of environment variables that should be reported in error log file. 50238106Sdesconst char *env_list[] = { 51238106Sdes // All platforms 52238106Sdes "JAVA_HOME", "JRE_HOME", "JAVA_TOOL_OPTIONS", "_JAVA_OPTIONS", "CLASSPATH", 53238106Sdes "JAVA_COMPILER", "PATH", "USERNAME", 54238106Sdes 55238106Sdes // Env variables that are defined on Solaris/Linux/BSD 56238106Sdes "LD_LIBRARY_PATH", "LD_PRELOAD", "SHELL", "DISPLAY", 57238106Sdes "HOSTTYPE", "OSTYPE", "ARCH", "MACHTYPE", 58238106Sdes 59238106Sdes // defined on Linux 60238106Sdes "LD_ASSUME_KERNEL", "_JAVA_SR_SIGNUM", 61238106Sdes 62238106Sdes // defined on Darwin 63238106Sdes "DYLD_LIBRARY_PATH", "DYLD_FALLBACK_LIBRARY_PATH", 64238106Sdes "DYLD_FRAMEWORK_PATH", "DYLD_FALLBACK_FRAMEWORK_PATH", 65238106Sdes "DYLD_INSERT_LIBRARIES", 66238106Sdes 67238106Sdes // defined on Windows 68238106Sdes "OS", "PROCESSOR_IDENTIFIER", "_ALT_JAVA_HOME_DIR", 69238106Sdes 70238106Sdes (const char *)0 71238106Sdes}; 72238106Sdes 73238106Sdes// A simple parser for -XX:OnError, usage: 74238106Sdes// ptr = OnError; 75238106Sdes// while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr) != NULL) 76238106Sdes// ... ... 77238106Sdesstatic char* next_OnError_command(char* buf, int buflen, const char** ptr) { 78238106Sdes if (ptr == NULL || *ptr == NULL) return NULL; 79238106Sdes 80238106Sdes const char* cmd = *ptr; 81238106Sdes 82238106Sdes // skip leading blanks or ';' 83238106Sdes while (*cmd == ' ' || *cmd == ';') cmd++; 84238106Sdes 85238106Sdes if (*cmd == '\0') return NULL; 86238106Sdes 87238106Sdes const char * cmdend = cmd; 88238106Sdes while (*cmdend != '\0' && *cmdend != ';') cmdend++; 89238106Sdes 90238106Sdes Arguments::copy_expand_pid(cmd, cmdend - cmd, buf, buflen); 91238106Sdes 92238106Sdes *ptr = (*cmdend == '\0' ? cmdend : cmdend + 1); 93238106Sdes return buf; 94238106Sdes} 95238106Sdes 96238106Sdesstatic void print_bug_submit_message(outputStream *out, Thread *thread) { 97238106Sdes if (out == NULL) return; 98238106Sdes out->print_raw_cr("# If you would like to submit a bug report, please visit:"); 99238106Sdes out->print_raw ("# "); 100238106Sdes out->print_raw_cr(Arguments::java_vendor_url_bug()); 101238106Sdes // If the crash is in native code, encourage user to submit a bug to the 102238106Sdes // provider of that code. 103238106Sdes if (thread && thread->is_Java_thread() && 104238106Sdes !thread->is_hidden_from_external_view()) { 105238106Sdes JavaThread* jt = (JavaThread*)thread; 106238106Sdes if (jt->thread_state() == _thread_in_native) { 107238106Sdes out->print_cr("# The crash happened outside the Java Virtual Machine in native code.\n# See problematic frame for where to report the bug."); 108238106Sdes } 109238106Sdes } 110238106Sdes out->print_raw_cr("#"); 111238106Sdes} 112238106Sdes 113238106Sdesbool VMError::coredump_status; 114238106Sdeschar VMError::coredump_message[O_BUFLEN]; 115238106Sdes 116238106Sdesvoid VMError::record_coredump_status(const char* message, bool status) { 117238106Sdes coredump_status = status; 118238106Sdes strncpy(coredump_message, message, sizeof(coredump_message)); 119238106Sdes coredump_message[sizeof(coredump_message)-1] = 0; 120238106Sdes} 121238106Sdes 122238106Sdes// Return a string to describe the error 123238106Sdeschar* VMError::error_string(char* buf, int buflen) { 124238106Sdes char signame_buf[64]; 125238106Sdes const char *signame = os::exception_name(_id, signame_buf, sizeof(signame_buf)); 126238106Sdes 127238106Sdes if (signame) { 128238106Sdes jio_snprintf(buf, buflen, 129238106Sdes "%s (0x%x) at pc=" PTR_FORMAT ", pid=%d, tid=" UINTX_FORMAT, 130238106Sdes signame, _id, _pc, 131238106Sdes os::current_process_id(), os::current_thread_id()); 132238106Sdes } else if (_filename != NULL && _lineno > 0) { 133238106Sdes // skip directory names 134238106Sdes char separator = os::file_separator()[0]; 135238106Sdes const char *p = strrchr(_filename, separator); 136238106Sdes int n = jio_snprintf(buf, buflen, 137238106Sdes "Internal Error at %s:%d, pid=%d, tid=" UINTX_FORMAT, 138238106Sdes p ? p + 1 : _filename, _lineno, 139238106Sdes os::current_process_id(), os::current_thread_id()); 140238106Sdes if (n >= 0 && n < buflen && _message) { 141238106Sdes if (strlen(_detail_msg) > 0) { 142238106Sdes jio_snprintf(buf + n, buflen - n, "%s%s: %s", 143238106Sdes os::line_separator(), _message, _detail_msg); 144238106Sdes } else { 145238106Sdes jio_snprintf(buf + n, buflen - n, "%sError: %s", 146238106Sdes os::line_separator(), _message); 147238106Sdes } 148238106Sdes } 149238106Sdes } else { 150238106Sdes jio_snprintf(buf, buflen, 151238106Sdes "Internal Error (0x%x), pid=%d, tid=" UINTX_FORMAT, 152238106Sdes _id, os::current_process_id(), os::current_thread_id()); 153238106Sdes } 154238106Sdes 155238106Sdes return buf; 156238106Sdes} 157238106Sdes 158238106Sdesvoid VMError::print_stack_trace(outputStream* st, JavaThread* jt, 159238106Sdes char* buf, int buflen, bool verbose) { 160238106Sdes#ifdef ZERO 161238106Sdes if (jt->zero_stack()->sp() && jt->top_zero_frame()) { 162238106Sdes // StackFrameStream uses the frame anchor, which may not have 163238106Sdes // been set up. This can be done at any time in Zero, however, 164238106Sdes // so if it hasn't been set up then we just set it up now and 165238106Sdes // clear it again when we're done. 166238106Sdes bool has_last_Java_frame = jt->has_last_Java_frame(); 167238106Sdes if (!has_last_Java_frame) 168238106Sdes jt->set_last_Java_frame(); 169238106Sdes st->print("Java frames:"); 170238106Sdes 171238106Sdes // If the top frame is a Shark frame and the frame anchor isn't 172238106Sdes // set up then it's possible that the information in the frame 173238106Sdes // is garbage: it could be from a previous decache, or it could 174238106Sdes // simply have never been written. So we print a warning... 175238106Sdes StackFrameStream sfs(jt); 176238106Sdes if (!has_last_Java_frame && !sfs.is_done()) { 177238106Sdes if (sfs.current()->zeroframe()->is_shark_frame()) { 178238106Sdes st->print(" (TOP FRAME MAY BE JUNK)"); 179238106Sdes } 180238106Sdes } 181238106Sdes st->cr(); 182238106Sdes 183238106Sdes // Print the frames 184238106Sdes for(int i = 0; !sfs.is_done(); sfs.next(), i++) { 185238106Sdes sfs.current()->zero_print_on_error(i, st, buf, buflen); 186238106Sdes st->cr(); 187238106Sdes } 188238106Sdes 189238106Sdes // Reset the frame anchor if necessary 190238106Sdes if (!has_last_Java_frame) 191238106Sdes jt->reset_last_Java_frame(); 192238106Sdes } 193238106Sdes#else 194238106Sdes if (jt->has_last_Java_frame()) { 195238106Sdes st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)"); 196238106Sdes for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) { 197238106Sdes sfs.current()->print_on_error(st, buf, buflen, verbose); 198238106Sdes st->cr(); 199238106Sdes } 200238106Sdes } 201238106Sdes#endif // ZERO 202238106Sdes} 203238106Sdes 204238106Sdesstatic void print_oom_reasons(outputStream* st) { 205238106Sdes st->print_cr("# Possible reasons:"); 206238106Sdes st->print_cr("# The system is out of physical RAM or swap space"); 207238106Sdes st->print_cr("# In 32 bit mode, the process size limit was hit"); 208238106Sdes st->print_cr("# Possible solutions:"); 209238106Sdes st->print_cr("# Reduce memory load on the system"); 210238106Sdes st->print_cr("# Increase physical memory or swap space"); 211238106Sdes st->print_cr("# Check if swap backing store is full"); 212238106Sdes st->print_cr("# Use 64 bit Java on a 64 bit OS"); 213238106Sdes st->print_cr("# Decrease Java heap size (-Xmx/-Xms)"); 214238106Sdes st->print_cr("# Decrease number of Java threads"); 215238106Sdes st->print_cr("# Decrease Java thread stack sizes (-Xss)"); 216238106Sdes st->print_cr("# Set larger code cache with -XX:ReservedCodeCacheSize="); 217238106Sdes st->print_cr("# This output file may be truncated or incomplete."); 218238106Sdes} 219238106Sdes 220238106Sdesstatic const char* gc_mode() { 221238106Sdes if (UseG1GC) return "g1 gc"; 222238106Sdes if (UseParallelGC) return "parallel gc"; 223238106Sdes if (UseConcMarkSweepGC) return "concurrent mark sweep gc"; 224238106Sdes if (UseSerialGC) return "serial gc"; 225238106Sdes return "ERROR in GC mode"; 226238106Sdes} 227238106Sdes 228238106Sdesstatic void report_vm_version(outputStream* st, char* buf, int buflen) { 229238106Sdes // VM version 230238106Sdes st->print_cr("#"); 231238106Sdes JDK_Version::current().to_string(buf, buflen); 232238106Sdes const char* runtime_name = JDK_Version::runtime_name() != NULL ? 233238106Sdes JDK_Version::runtime_name() : ""; 234238106Sdes const char* runtime_version = JDK_Version::runtime_version() != NULL ? 235238106Sdes JDK_Version::runtime_version() : ""; 236238106Sdes const char* jdk_debug_level = Abstract_VM_Version::printable_jdk_debug_level() != NULL ? 237238106Sdes Abstract_VM_Version::printable_jdk_debug_level() : ""; 238238106Sdes 239238106Sdes st->print_cr("# JRE version: %s (%s) (%sbuild %s)", runtime_name, buf, 240238106Sdes jdk_debug_level, runtime_version); 241238106Sdes 242238106Sdes // This is the long version with some default settings added 243238106Sdes st->print_cr("# Java VM: %s (%s%s, %s%s%s%s%s, %s, %s)", 244238106Sdes Abstract_VM_Version::vm_name(), 245238106Sdes jdk_debug_level, 246238106Sdes Abstract_VM_Version::vm_release(), 247238106Sdes Abstract_VM_Version::vm_info_string(), 248238106Sdes TieredCompilation ? ", tiered" : "", 249238106Sdes#if INCLUDE_JVMCI 250238106Sdes EnableJVMCI ? ", jvmci" : "", 251238106Sdes UseJVMCICompiler ? ", jvmci compiler" : "", 252238106Sdes#else 253238106Sdes "", "", 254238106Sdes#endif 255238106Sdes UseCompressedOops ? ", compressed oops" : "", 256238106Sdes gc_mode(), 257238106Sdes Abstract_VM_Version::vm_platform_string() 258238106Sdes ); 259238106Sdes} 260238106Sdes 261238106Sdes// This is the main function to report a fatal error. Only one thread can 262238106Sdes// call this function, so we don't need to worry about MT-safety. But it's 263238106Sdes// possible that the error handler itself may crash or die on an internal 264238106Sdes// error, for example, when the stack/heap is badly damaged. We must be 265238106Sdes// able to handle recursive errors that happen inside error handler. 266238106Sdes// 267238106Sdes// Error reporting is done in several steps. If a crash or internal error 268238106Sdes// occurred when reporting an error, the nested signal/exception handler 269238106Sdes// can skip steps that are already (or partially) done. Error reporting will 270238106Sdes// continue from the next step. This allows us to retrieve and print 271238106Sdes// information that may be unsafe to get after a fatal error. If it happens, 272238106Sdes// you may find nested report_and_die() frames when you look at the stack 273238106Sdes// in a debugger. 274238106Sdes// 275238106Sdes// In general, a hang in error handler is much worse than a crash or internal 276238106Sdes// error, as it's harder to recover from a hang. Deadlock can happen if we 277238106Sdes// try to grab a lock that is already owned by current thread, or if the 278238106Sdes// owner is blocked forever (e.g. in os::infinite_sleep()). If possible, the 279238106Sdes// error handler and all the functions it called should avoid grabbing any 280238106Sdes// lock. An important thing to notice is that memory allocation needs a lock. 281238106Sdes// 282238106Sdes// We should avoid using large stack allocated buffers. Many errors happen 283238106Sdes// when stack space is already low. Making things even worse is that there 284238106Sdes// could be nested report_and_die() calls on stack (see above). Only one 285238106Sdes// thread can report error, so large buffers are statically allocated in data 286238106Sdes// segment. 287238106Sdes 288238106Sdesint VMError::_current_step; 289238106Sdesconst char* VMError::_current_step_info; 290238106Sdes 291238106Sdesvoid VMError::report(outputStream* st, bool _verbose) { 292238106Sdes 293238106Sdes# define BEGIN if (_current_step == 0) { _current_step = 1; 294238106Sdes# define STEP(n, s) } if (_current_step < n) { _current_step = n; _current_step_info = s; 295238106Sdes# define END } 296238106Sdes 297238106Sdes // don't allocate large buffer on stack 298238106Sdes static char buf[O_BUFLEN]; 299238106Sdes 300238106Sdes BEGIN 301238106Sdes 302238106Sdes STEP(10, "(printing fatal error message)") 303238106Sdes 304238106Sdes st->print_cr("#"); 305238106Sdes if (should_report_bug(_id)) { 306238106Sdes st->print_cr("# A fatal error has been detected by the Java Runtime Environment:"); 307238106Sdes } else { 308238106Sdes st->print_cr("# There is insufficient memory for the Java " 309238106Sdes "Runtime Environment to continue."); 310238106Sdes } 311238106Sdes 312238106Sdes#ifndef PRODUCT 313238106Sdes // Error handler self tests 314238106Sdes 315238106Sdes // test secondary error handling. Test it twice, to test that resetting 316238106Sdes // error handler after a secondary crash works. 317238106Sdes STEP(20, "(test secondary crash 1)") 318238106Sdes if (_verbose && TestCrashInErrorHandler != 0) { 319238106Sdes st->print_cr("Will crash now (TestCrashInErrorHandler=" UINTX_FORMAT ")...", 320238106Sdes TestCrashInErrorHandler); 321238106Sdes controlled_crash(TestCrashInErrorHandler); 322238106Sdes } 323238106Sdes 324238106Sdes STEP(30, "(test secondary crash 2)") 325238106Sdes if (_verbose && TestCrashInErrorHandler != 0) { 326238106Sdes st->print_cr("Will crash now (TestCrashInErrorHandler=" UINTX_FORMAT ")...", 327238106Sdes TestCrashInErrorHandler); 328238106Sdes controlled_crash(TestCrashInErrorHandler); 329238106Sdes } 330238106Sdes 331238106Sdes STEP(40, "(test safefetch in error handler)") 332238106Sdes // test whether it is safe to use SafeFetch32 in Crash Handler. Test twice 333238106Sdes // to test that resetting the signal handler works correctly. 334238106Sdes if (_verbose && TestSafeFetchInErrorHandler) { 335238106Sdes st->print_cr("Will test SafeFetch..."); 336238106Sdes if (CanUseSafeFetch32()) { 337238106Sdes int* const invalid_pointer = (int*) get_segfault_address(); 338238106Sdes const int x = 0x76543210; 339238106Sdes int i1 = SafeFetch32(invalid_pointer, x); 340238106Sdes int i2 = SafeFetch32(invalid_pointer, x); 341238106Sdes if (i1 == x && i2 == x) { 342238106Sdes st->print_cr("SafeFetch OK."); // Correctly deflected and returned default pattern 343238106Sdes } else { 344238106Sdes st->print_cr("??"); 345238106Sdes } 346238106Sdes } else { 347238106Sdes st->print_cr("not possible; skipped."); 348238106Sdes } 349238106Sdes } 350238106Sdes#endif // PRODUCT 351238106Sdes 352238106Sdes STEP(50, "(printing type of error)") 353238106Sdes 354238106Sdes switch(_id) { 355238106Sdes case OOM_MALLOC_ERROR: 356238106Sdes case OOM_MMAP_ERROR: 357238106Sdes if (_size) { 358238106Sdes st->print("# Native memory allocation "); 359238106Sdes st->print((_id == (int)OOM_MALLOC_ERROR) ? "(malloc) failed to allocate " : 360238106Sdes "(mmap) failed to map "); 361238106Sdes jio_snprintf(buf, sizeof(buf), SIZE_FORMAT, _size); 362238106Sdes st->print("%s", buf); 363238106Sdes st->print(" bytes"); 364238106Sdes if (strlen(_detail_msg) > 0) { 365238106Sdes st->print(" for "); 366238106Sdes st->print("%s", _detail_msg); 367238106Sdes } 368238106Sdes st->cr(); 369238106Sdes } else { 370238106Sdes if (strlen(_detail_msg) > 0) { 371238106Sdes st->print("# "); 372238106Sdes st->print_cr("%s", _detail_msg); 373238106Sdes } 374238106Sdes } 375238106Sdes // In error file give some solutions 376238106Sdes if (_verbose) { 377238106Sdes print_oom_reasons(st); 378238106Sdes } else { 379238106Sdes return; // that's enough for the screen 380238106Sdes } 381238106Sdes break; 382238106Sdes case INTERNAL_ERROR: 383238106Sdes default: 384238106Sdes break; 385238106Sdes } 386238106Sdes 387238106Sdes STEP(60, "(printing exception/signal name)") 388238106Sdes 389238106Sdes st->print_cr("#"); 390238106Sdes st->print("# "); 391238106Sdes // Is it an OS exception/signal? 392238106Sdes if (os::exception_name(_id, buf, sizeof(buf))) { 393238106Sdes st->print("%s", buf); 394238106Sdes st->print(" (0x%x)", _id); // signal number 395238106Sdes st->print(" at pc=" PTR_FORMAT, p2i(_pc)); 396238106Sdes } else { 397238106Sdes if (should_report_bug(_id)) { 398238106Sdes st->print("Internal Error"); 399238106Sdes } else { 400238106Sdes st->print("Out of Memory Error"); 401238106Sdes } 402238106Sdes if (_filename != NULL && _lineno > 0) { 403238106Sdes#ifdef PRODUCT 404238106Sdes // In product mode chop off pathname? 405238106Sdes char separator = os::file_separator()[0]; 406238106Sdes const char *p = strrchr(_filename, separator); 407238106Sdes const char *file = p ? p+1 : _filename; 408238106Sdes#else 409238106Sdes const char *file = _filename; 410238106Sdes#endif 411238106Sdes st->print(" (%s:%d)", file, _lineno); 412238106Sdes } else { 413238106Sdes st->print(" (0x%x)", _id); 414238106Sdes } 415238106Sdes } 416238106Sdes 417238106Sdes STEP(70, "(printing current thread and pid)") 418238106Sdes 419238106Sdes // process id, thread id 420238106Sdes st->print(", pid=%d", os::current_process_id()); 421238106Sdes st->print(", tid=" UINTX_FORMAT, os::current_thread_id()); 422238106Sdes st->cr(); 423238106Sdes 424238106Sdes STEP(80, "(printing error message)") 425238106Sdes 426238106Sdes if (should_report_bug(_id)) { // already printed the message. 427238106Sdes // error message 428238106Sdes if (strlen(_detail_msg) > 0) { 429238106Sdes st->print_cr("# %s: %s", _message ? _message : "Error", _detail_msg); 430238106Sdes } else if (_message) { 431238106Sdes st->print_cr("# Error: %s", _message); 432238106Sdes } 433238106Sdes } 434238106Sdes 435238106Sdes STEP(90, "(printing Java version string)") 436238106Sdes 437238106Sdes report_vm_version(st, buf, sizeof(buf)); 438238106Sdes 439238106Sdes STEP(100, "(printing problematic frame)") 440238106Sdes 441238106Sdes // Print current frame if we have a context (i.e. it's a crash) 442238106Sdes if (_context) { 443238106Sdes st->print_cr("# Problematic frame:"); 444238106Sdes st->print("# "); 445238106Sdes frame fr = os::fetch_frame_from_context(_context); 446238106Sdes fr.print_on_error(st, buf, sizeof(buf)); 447238106Sdes st->cr(); 448238106Sdes st->print_cr("#"); 449238106Sdes } 450238106Sdes 451238106Sdes STEP(110, "(printing core file information)") 452238106Sdes st->print("# "); 453238106Sdes if (CreateCoredumpOnCrash) { 454238106Sdes if (coredump_status) { 455238106Sdes st->print("Core dump will be written. Default location: %s", coredump_message); 456238106Sdes } else { 457238106Sdes st->print("No core dump will be written. %s", coredump_message); 458238106Sdes } 459238106Sdes } else { 460238106Sdes st->print("CreateCoredumpOnCrash turned off, no core file dumped"); 461238106Sdes } 462238106Sdes st->cr(); 463238106Sdes st->print_cr("#"); 464238106Sdes 465238106Sdes STEP(120, "(printing bug submit message)") 466238106Sdes 467238106Sdes if (should_report_bug(_id) && _verbose) { 468238106Sdes print_bug_submit_message(st, _thread); 469238106Sdes } 470238106Sdes 471238106Sdes STEP(130, "(printing summary)" ) 472238106Sdes 473238106Sdes if (_verbose) { 474238106Sdes st->cr(); 475238106Sdes st->print_cr("--------------- S U M M A R Y ------------"); 476238106Sdes st->cr(); 477238106Sdes } 478238106Sdes 479238106Sdes STEP(140, "(printing VM option summary)" ) 480238106Sdes 481238106Sdes if (_verbose) { 482238106Sdes // VM options 483238106Sdes Arguments::print_summary_on(st); 484238106Sdes st->cr(); 485238106Sdes } 486238106Sdes 487238106Sdes STEP(150, "(printing summary machine and OS info)") 488238106Sdes 489238106Sdes if (_verbose) { 490238106Sdes os::print_summary_info(st, buf, sizeof(buf)); 491238106Sdes } 492238106Sdes 493238106Sdes 494238106Sdes STEP(160, "(printing date and time)" ) 495238106Sdes 496238106Sdes if (_verbose) { 497238106Sdes os::print_date_and_time(st, buf, sizeof(buf)); 498238106Sdes } 499238106Sdes 500238106Sdes STEP(170, "(printing thread)" ) 501238106Sdes 502238106Sdes if (_verbose) { 503238106Sdes st->cr(); 504238106Sdes st->print_cr("--------------- T H R E A D ---------------"); 505238106Sdes st->cr(); 506238106Sdes } 507238106Sdes 508238106Sdes STEP(180, "(printing current thread)" ) 509238106Sdes 510238106Sdes // current thread 511238106Sdes if (_verbose) { 512238106Sdes if (_thread) { 513238106Sdes st->print("Current thread (" PTR_FORMAT "): ", p2i(_thread)); 514238106Sdes _thread->print_on_error(st, buf, sizeof(buf)); 515238106Sdes st->cr(); 516238106Sdes } else { 517238106Sdes st->print_cr("Current thread is native thread"); 518238106Sdes } 519238106Sdes st->cr(); 520238106Sdes } 521238106Sdes 522238106Sdes STEP(190, "(printing current compile task)" ) 523238106Sdes 524238106Sdes if (_verbose && _thread && _thread->is_Compiler_thread()) { 525238106Sdes CompilerThread* t = (CompilerThread*)_thread; 526238106Sdes if (t->task()) { 527238106Sdes st->cr(); 528238106Sdes st->print_cr("Current CompileTask:"); 529238106Sdes t->task()->print_line_on_error(st, buf, sizeof(buf)); 530238106Sdes st->cr(); 531238106Sdes } 532238106Sdes } 533238106Sdes 534238106Sdes 535238106Sdes STEP(200, "(printing stack bounds)" ) 536238106Sdes 537238106Sdes if (_verbose) { 538238106Sdes st->print("Stack: "); 539238106Sdes 540238106Sdes address stack_top; 541238106Sdes size_t stack_size; 542238106Sdes 543238106Sdes if (_thread) { 544238106Sdes stack_top = _thread->stack_base(); 545238106Sdes stack_size = _thread->stack_size(); 546238106Sdes } else { 547238106Sdes stack_top = os::current_stack_base(); 548238106Sdes stack_size = os::current_stack_size(); 549238106Sdes } 550238106Sdes 551238106Sdes address stack_bottom = stack_top - stack_size; 552238106Sdes st->print("[" PTR_FORMAT "," PTR_FORMAT "]", p2i(stack_bottom), p2i(stack_top)); 553238106Sdes 554238106Sdes frame fr = _context ? os::fetch_frame_from_context(_context) 555238106Sdes : os::current_frame(); 556238106Sdes 557238106Sdes if (fr.sp()) { 558238106Sdes st->print(", sp=" PTR_FORMAT, p2i(fr.sp())); 559238106Sdes size_t free_stack_size = pointer_delta(fr.sp(), stack_bottom, 1024); 560238106Sdes st->print(", free space=" SIZE_FORMAT "k", free_stack_size); 561238106Sdes } 562238106Sdes 563238106Sdes st->cr(); 564238106Sdes } 565238106Sdes 566238106Sdes STEP(210, "(printing native stack)" ) 567238106Sdes 568238106Sdes if (_verbose) { 569238106Sdes if (os::platform_print_native_stack(st, _context, buf, sizeof(buf))) { 570238106Sdes // We have printed the native stack in platform-specific code 571238106Sdes // Windows/x64 needs special handling. 572238106Sdes } else { 573238106Sdes frame fr = _context ? os::fetch_frame_from_context(_context) 574238106Sdes : os::current_frame(); 575238106Sdes 576238106Sdes print_native_stack(st, fr, _thread, buf, sizeof(buf)); 577238106Sdes } 578238106Sdes } 579238106Sdes 580238106Sdes STEP(220, "(printing Java stack)" ) 581238106Sdes 582238106Sdes if (_verbose && _thread && _thread->is_Java_thread()) { 583238106Sdes print_stack_trace(st, (JavaThread*)_thread, buf, sizeof(buf)); 584238106Sdes } 585238106Sdes 586238106Sdes STEP(230, "(printing target Java thread stack)" ) 587238106Sdes 588238106Sdes // printing Java thread stack trace if it is involved in GC crash 589238106Sdes if (_verbose && _thread && (_thread->is_Named_thread())) { 590238106Sdes JavaThread* jt = ((NamedThread *)_thread)->processed_thread(); 591238106Sdes if (jt != NULL) { 592238106Sdes st->print_cr("JavaThread " PTR_FORMAT " (nid = %d) was being processed", p2i(jt), jt->osthread()->thread_id()); 593238106Sdes print_stack_trace(st, jt, buf, sizeof(buf), true); 594238106Sdes } 595238106Sdes } 596238106Sdes 597238106Sdes STEP(240, "(printing siginfo)" ) 598238106Sdes 599238106Sdes // signal no, signal code, address that caused the fault 600238106Sdes if (_verbose && _siginfo) { 601238106Sdes st->cr(); 602238106Sdes os::print_siginfo(st, _siginfo); 603238106Sdes st->cr(); 604 } 605 606 STEP(245, "(CDS archive access warning)" ) 607 608 // Print an explicit hint if we crashed on access to the CDS archive. 609 if (_verbose && _siginfo) { 610 check_failing_cds_access(st, _siginfo); 611 st->cr(); 612 } 613 614 STEP(250, "(printing register info)") 615 616 // decode register contents if possible 617 if (_verbose && _context && Universe::is_fully_initialized()) { 618 os::print_register_info(st, _context); 619 st->cr(); 620 } 621 622 STEP(260, "(printing registers, top of stack, instructions near pc)") 623 624 // registers, top of stack, instructions near pc 625 if (_verbose && _context) { 626 os::print_context(st, _context); 627 st->cr(); 628 } 629 630 STEP(265, "(printing code blob if possible)") 631 632 if (_verbose && _context) { 633 CodeBlob* cb = CodeCache::find_blob(_pc); 634 if (cb != NULL) { 635 if (Interpreter::contains(_pc)) { 636 // The interpreter CodeBlob is very large so try to print the codelet instead. 637 InterpreterCodelet* codelet = Interpreter::codelet_containing(_pc); 638 if (codelet != NULL) { 639 codelet->print_on(st); 640 Disassembler::decode(codelet->code_begin(), codelet->code_end(), st); 641 } 642 } else { 643 StubCodeDesc* desc = StubCodeDesc::desc_for(_pc); 644 if (desc != NULL) { 645 desc->print_on(st); 646 Disassembler::decode(desc->begin(), desc->end(), st); 647 } else { 648 Disassembler::decode(cb, st); 649 st->cr(); 650 } 651 } 652 } 653 } 654 655 STEP(270, "(printing VM operation)" ) 656 657 if (_verbose && _thread && _thread->is_VM_thread()) { 658 VMThread* t = (VMThread*)_thread; 659 VM_Operation* op = t->vm_operation(); 660 if (op) { 661 op->print_on_error(st); 662 st->cr(); 663 st->cr(); 664 } 665 } 666 667 STEP(280, "(printing process)" ) 668 669 if (_verbose) { 670 st->cr(); 671 st->print_cr("--------------- P R O C E S S ---------------"); 672 st->cr(); 673 } 674 675 STEP(290, "(printing all threads)" ) 676 677 // all threads 678 if (_verbose && _thread) { 679 Threads::print_on_error(st, _thread, buf, sizeof(buf)); 680 st->cr(); 681 } 682 683 STEP(300, "(printing VM state)" ) 684 685 if (_verbose) { 686 // Safepoint state 687 st->print("VM state:"); 688 689 if (SafepointSynchronize::is_synchronizing()) st->print("synchronizing"); 690 else if (SafepointSynchronize::is_at_safepoint()) st->print("at safepoint"); 691 else st->print("not at safepoint"); 692 693 // Also see if error occurred during initialization or shutdown 694 if (!Universe::is_fully_initialized()) { 695 st->print(" (not fully initialized)"); 696 } else if (VM_Exit::vm_exited()) { 697 st->print(" (shutting down)"); 698 } else { 699 st->print(" (normal execution)"); 700 } 701 st->cr(); 702 st->cr(); 703 } 704 705 STEP(310, "(printing owned locks on error)" ) 706 707 // mutexes/monitors that currently have an owner 708 if (_verbose) { 709 print_owned_locks_on_error(st); 710 st->cr(); 711 } 712 713 STEP(320, "(printing number of OutOfMemoryError and StackOverflow exceptions)") 714 715 if (_verbose && Exceptions::has_exception_counts()) { 716 st->print_cr("OutOfMemory and StackOverflow Exception counts:"); 717 Exceptions::print_exception_counts_on_error(st); 718 st->cr(); 719 } 720 721 STEP(330, "(printing compressed oops mode") 722 723 if (_verbose && UseCompressedOops) { 724 Universe::print_compressed_oops_mode(st); 725 if (UseCompressedClassPointers) { 726 Metaspace::print_compressed_class_space(st); 727 } 728 st->cr(); 729 } 730 731 STEP(340, "(printing heap information)" ) 732 733 if (_verbose && Universe::is_fully_initialized()) { 734 Universe::heap()->print_on_error(st); 735 st->cr(); 736 st->print_cr("Polling page: " INTPTR_FORMAT, p2i(os::get_polling_page())); 737 st->cr(); 738 } 739 740 STEP(350, "(printing code cache information)" ) 741 742 if (_verbose && Universe::is_fully_initialized()) { 743 // print code cache information before vm abort 744 CodeCache::print_summary(st); 745 st->cr(); 746 } 747 748 STEP(360, "(printing ring buffers)" ) 749 750 if (_verbose) { 751 Events::print_all(st); 752 st->cr(); 753 } 754 755 STEP(370, "(printing dynamic libraries)" ) 756 757 if (_verbose) { 758 // dynamic libraries, or memory map 759 os::print_dll_info(st); 760 st->cr(); 761 } 762 763 STEP(380, "(printing VM options)" ) 764 765 if (_verbose) { 766 // VM options 767 Arguments::print_on(st); 768 st->cr(); 769 } 770 771 STEP(390, "(printing warning if internal testing API used)" ) 772 773 if (WhiteBox::used()) { 774 st->print_cr("Unsupported internal testing APIs have been used."); 775 st->cr(); 776 } 777 778 STEP(400, "(printing all environment variables)" ) 779 780 if (_verbose) { 781 os::print_environment_variables(st, env_list); 782 st->cr(); 783 } 784 785 STEP(410, "(printing signal handlers)" ) 786 787 if (_verbose) { 788 os::print_signal_handlers(st, buf, sizeof(buf)); 789 st->cr(); 790 } 791 792 STEP(420, "(Native Memory Tracking)" ) 793 if (_verbose) { 794 MemTracker::error_report(st); 795 } 796 797 STEP(430, "(printing system)" ) 798 799 if (_verbose) { 800 st->cr(); 801 st->print_cr("--------------- S Y S T E M ---------------"); 802 st->cr(); 803 } 804 805 STEP(440, "(printing OS information)" ) 806 807 if (_verbose) { 808 os::print_os_info(st); 809 st->cr(); 810 } 811 812 STEP(450, "(printing CPU info)" ) 813 if (_verbose) { 814 os::print_cpu_info(st, buf, sizeof(buf)); 815 st->cr(); 816 } 817 818 STEP(460, "(printing memory info)" ) 819 820 if (_verbose) { 821 os::print_memory_info(st); 822 st->cr(); 823 } 824 825 STEP(470, "(printing internal vm info)" ) 826 827 if (_verbose) { 828 st->print_cr("vm_info: %s", Abstract_VM_Version::internal_vm_info_string()); 829 st->cr(); 830 } 831 832 // print a defined marker to show that error handling finished correctly. 833 STEP(480, "(printing end marker)" ) 834 835 if (_verbose) { 836 st->print_cr("END."); 837 } 838 839 END 840 841# undef BEGIN 842# undef STEP 843# undef END 844} 845 846// Report for the vm_info_cmd. This prints out the information above omitting 847// crash and thread specific information. If output is added above, it should be added 848// here also, if it is safe to call during a running process. 849void VMError::print_vm_info(outputStream* st) { 850 851 char buf[O_BUFLEN]; 852 report_vm_version(st, buf, sizeof(buf)); 853 854 // STEP("(printing summary)") 855 856 st->cr(); 857 st->print_cr("--------------- S U M M A R Y ------------"); 858 st->cr(); 859 860 // STEP("(printing VM option summary)") 861 862 // VM options 863 Arguments::print_summary_on(st); 864 st->cr(); 865 866 // STEP("(printing summary machine and OS info)") 867 868 os::print_summary_info(st, buf, sizeof(buf)); 869 870 // STEP("(printing date and time)") 871 872 os::print_date_and_time(st, buf, sizeof(buf)); 873 874 // Skip: STEP("(printing thread)") 875 876 // STEP("(printing process)") 877 878 st->cr(); 879 st->print_cr("--------------- P R O C E S S ---------------"); 880 st->cr(); 881 882 // STEP("(printing number of OutOfMemoryError and StackOverflow exceptions)") 883 884 if (Exceptions::has_exception_counts()) { 885 st->print_cr("OutOfMemory and StackOverflow Exception counts:"); 886 Exceptions::print_exception_counts_on_error(st); 887 st->cr(); 888 } 889 890 // STEP("(printing compressed oops mode") 891 892 if (UseCompressedOops) { 893 Universe::print_compressed_oops_mode(st); 894 if (UseCompressedClassPointers) { 895 Metaspace::print_compressed_class_space(st); 896 } 897 st->cr(); 898 } 899 900 // STEP("(printing heap information)") 901 902 if (Universe::is_fully_initialized()) { 903 Universe::heap()->print_on_error(st); 904 st->cr(); 905 st->print_cr("Polling page: " INTPTR_FORMAT, p2i(os::get_polling_page())); 906 st->cr(); 907 } 908 909 // STEP("(printing code cache information)") 910 911 if (Universe::is_fully_initialized()) { 912 // print code cache information before vm abort 913 CodeCache::print_summary(st); 914 st->cr(); 915 } 916 917 // STEP("(printing ring buffers)") 918 919 Events::print_all(st); 920 st->cr(); 921 922 // STEP("(printing dynamic libraries)") 923 924 // dynamic libraries, or memory map 925 os::print_dll_info(st); 926 st->cr(); 927 928 // STEP("(printing VM options)") 929 930 // VM options 931 Arguments::print_on(st); 932 st->cr(); 933 934 // STEP("(printing warning if internal testing API used)") 935 936 if (WhiteBox::used()) { 937 st->print_cr("Unsupported internal testing APIs have been used."); 938 st->cr(); 939 } 940 941 // STEP("(printing all environment variables)") 942 943 os::print_environment_variables(st, env_list); 944 st->cr(); 945 946 // STEP("(printing signal handlers)") 947 948 os::print_signal_handlers(st, buf, sizeof(buf)); 949 st->cr(); 950 951 // STEP("(Native Memory Tracking)") 952 953 MemTracker::error_report(st); 954 955 // STEP("(printing system)") 956 957 st->cr(); 958 st->print_cr("--------------- S Y S T E M ---------------"); 959 st->cr(); 960 961 // STEP("(printing OS information)") 962 963 os::print_os_info(st); 964 st->cr(); 965 966 // STEP("(printing CPU info)") 967 968 os::print_cpu_info(st, buf, sizeof(buf)); 969 st->cr(); 970 971 // STEP("(printing memory info)") 972 973 os::print_memory_info(st); 974 st->cr(); 975 976 // STEP("(printing internal vm info)") 977 978 st->print_cr("vm_info: %s", Abstract_VM_Version::internal_vm_info_string()); 979 st->cr(); 980 981 // print a defined marker to show that error handling finished correctly. 982 // STEP("(printing end marker)") 983 984 st->print_cr("END."); 985} 986 987volatile intptr_t VMError::first_error_tid = -1; 988 989// An error could happen before tty is initialized or after it has been 990// destroyed. 991// Please note: to prevent large stack allocations, the log- and 992// output-stream use a global scratch buffer for format printing. 993// (see VmError::report_and_die(). Access to those streams is synchronized 994// in VmError::report_and_die() - there is only one reporting thread at 995// any given time. 996fdStream VMError::out(defaultStream::output_fd()); 997fdStream VMError::log; // error log used by VMError::report_and_die() 998 999/** Expand a pattern into a buffer starting at pos and open a file using constructed path */ 1000static int expand_and_open(const char* pattern, char* buf, size_t buflen, size_t pos) { 1001 int fd = -1; 1002 if (Arguments::copy_expand_pid(pattern, strlen(pattern), &buf[pos], buflen - pos)) { 1003 // the O_EXCL flag will cause the open to fail if the file exists 1004 fd = open(buf, O_RDWR | O_CREAT | O_EXCL, 0666); 1005 } 1006 return fd; 1007} 1008 1009/** 1010 * Construct file name for a log file and return it's file descriptor. 1011 * Name and location depends on pattern, default_pattern params and access 1012 * permissions. 1013 */ 1014static int prepare_log_file(const char* pattern, const char* default_pattern, char* buf, size_t buflen) { 1015 int fd = -1; 1016 1017 // If possible, use specified pattern to construct log file name 1018 if (pattern != NULL) { 1019 fd = expand_and_open(pattern, buf, buflen, 0); 1020 } 1021 1022 // Either user didn't specify, or the user's location failed, 1023 // so use the default name in the current directory 1024 if (fd == -1) { 1025 const char* cwd = os::get_current_directory(buf, buflen); 1026 if (cwd != NULL) { 1027 size_t pos = strlen(cwd); 1028 int fsep_len = jio_snprintf(&buf[pos], buflen-pos, "%s", os::file_separator()); 1029 pos += fsep_len; 1030 if (fsep_len > 0) { 1031 fd = expand_and_open(default_pattern, buf, buflen, pos); 1032 } 1033 } 1034 } 1035 1036 // try temp directory if it exists. 1037 if (fd == -1) { 1038 const char* tmpdir = os::get_temp_directory(); 1039 if (tmpdir != NULL && strlen(tmpdir) > 0) { 1040 int pos = jio_snprintf(buf, buflen, "%s%s", tmpdir, os::file_separator()); 1041 if (pos > 0) { 1042 fd = expand_and_open(default_pattern, buf, buflen, pos); 1043 } 1044 } 1045 } 1046 1047 return fd; 1048} 1049 1050int VMError::_id; 1051const char* VMError::_message; 1052char VMError::_detail_msg[1024]; 1053Thread* VMError::_thread; 1054address VMError::_pc; 1055void* VMError::_siginfo; 1056void* VMError::_context; 1057const char* VMError::_filename; 1058int VMError::_lineno; 1059size_t VMError::_size; 1060 1061void VMError::report_and_die(Thread* thread, unsigned int sig, address pc, void* siginfo, 1062 void* context, const char* detail_fmt, ...) 1063{ 1064 va_list detail_args; 1065 va_start(detail_args, detail_fmt); 1066 report_and_die(sig, NULL, detail_fmt, detail_args, thread, pc, siginfo, context, NULL, 0, 0); 1067 va_end(detail_args); 1068} 1069 1070void VMError::report_and_die(Thread* thread, unsigned int sig, address pc, void* siginfo, void* context) 1071{ 1072 report_and_die(thread, sig, pc, siginfo, context, "%s", ""); 1073} 1074 1075void VMError::report_and_die(const char* message, const char* detail_fmt, ...) 1076{ 1077 va_list detail_args; 1078 va_start(detail_args, detail_fmt); 1079 report_and_die(INTERNAL_ERROR, message, detail_fmt, detail_args, NULL, NULL, NULL, NULL, NULL, 0, 0); 1080 va_end(detail_args); 1081} 1082 1083void VMError::report_and_die(const char* message) 1084{ 1085 report_and_die(message, "%s", ""); 1086} 1087 1088void VMError::report_and_die(Thread* thread, const char* filename, int lineno, const char* message, 1089 const char* detail_fmt, va_list detail_args) 1090{ 1091 report_and_die(INTERNAL_ERROR, message, detail_fmt, detail_args, thread, NULL, NULL, NULL, filename, lineno, 0); 1092} 1093 1094void VMError::report_and_die(Thread* thread, const char* filename, int lineno, size_t size, 1095 VMErrorType vm_err_type, const char* detail_fmt, va_list detail_args) { 1096 report_and_die(vm_err_type, NULL, detail_fmt, detail_args, thread, NULL, NULL, NULL, filename, lineno, size); 1097} 1098 1099void VMError::report_and_die(int id, const char* message, const char* detail_fmt, va_list detail_args, 1100 Thread* thread, address pc, void* siginfo, void* context, const char* filename, 1101 int lineno, size_t size) 1102{ 1103 // Don't allocate large buffer on stack 1104 static char buffer[O_BUFLEN]; 1105 out.set_scratch_buffer(buffer, sizeof(buffer)); 1106 log.set_scratch_buffer(buffer, sizeof(buffer)); 1107 1108 // How many errors occurred in error handler when reporting first_error. 1109 static int recursive_error_count; 1110 1111 // We will first print a brief message to standard out (verbose = false), 1112 // then save detailed information in log file (verbose = true). 1113 static bool out_done = false; // done printing to standard out 1114 static bool log_done = false; // done saving error log 1115 static bool transmit_report_done = false; // done error reporting 1116 1117 if (SuppressFatalErrorMessage) { 1118 os::abort(CreateCoredumpOnCrash); 1119 } 1120 intptr_t mytid = os::current_thread_id(); 1121 if (first_error_tid == -1 && 1122 Atomic::cmpxchg_ptr(mytid, &first_error_tid, -1) == -1) { 1123 1124 // Initialize time stamps to use the same base. 1125 out.time_stamp().update_to(1); 1126 log.time_stamp().update_to(1); 1127 1128 _id = id; 1129 _message = message; 1130 _thread = thread; 1131 _pc = pc; 1132 _siginfo = siginfo; 1133 _context = context; 1134 _filename = filename; 1135 _lineno = lineno; 1136 _size = size; 1137 jio_vsnprintf(_detail_msg, sizeof(_detail_msg), detail_fmt, detail_args); 1138 1139 // first time 1140 set_error_reported(); 1141 1142 if (ShowMessageBoxOnError || PauseAtExit) { 1143 show_message_box(buffer, sizeof(buffer)); 1144 1145 // User has asked JVM to abort. Reset ShowMessageBoxOnError so the 1146 // WatcherThread can kill JVM if the error handler hangs. 1147 ShowMessageBoxOnError = false; 1148 } 1149 1150 os::check_dump_limit(buffer, sizeof(buffer)); 1151 1152 // reset signal handlers or exception filter; make sure recursive crashes 1153 // are handled properly. 1154 reset_signal_handlers(); 1155 1156 } else { 1157 // If UseOsErrorReporting we call this for each level of the call stack 1158 // while searching for the exception handler. Only the first level needs 1159 // to be reported. 1160 if (UseOSErrorReporting && log_done) return; 1161 1162 // This is not the first error, see if it happened in a different thread 1163 // or in the same thread during error reporting. 1164 if (first_error_tid != mytid) { 1165 char msgbuf[64]; 1166 jio_snprintf(msgbuf, sizeof(msgbuf), 1167 "[thread " INTX_FORMAT " also had an error]", 1168 mytid); 1169 out.print_raw_cr(msgbuf); 1170 1171 // error reporting is not MT-safe, block current thread 1172 os::infinite_sleep(); 1173 1174 } else { 1175 if (recursive_error_count++ > 30) { 1176 out.print_raw_cr("[Too many errors, abort]"); 1177 os::die(); 1178 } 1179 1180 jio_snprintf(buffer, sizeof(buffer), 1181 "[error occurred during error reporting %s, id 0x%x]", 1182 _current_step_info, _id); 1183 if (log.is_open()) { 1184 log.cr(); 1185 log.print_raw_cr(buffer); 1186 log.cr(); 1187 } else { 1188 out.cr(); 1189 out.print_raw_cr(buffer); 1190 out.cr(); 1191 } 1192 } 1193 } 1194 1195 // print to screen 1196 if (!out_done) { 1197 report(&out, false); 1198 1199 out_done = true; 1200 1201 _current_step = 0; 1202 _current_step_info = ""; 1203 } 1204 1205 // print to error log file 1206 if (!log_done) { 1207 // see if log file is already open 1208 if (!log.is_open()) { 1209 // open log file 1210 int fd = prepare_log_file(ErrorFile, "hs_err_pid%p.log", buffer, sizeof(buffer)); 1211 if (fd != -1) { 1212 out.print_raw("# An error report file with more information is saved as:\n# "); 1213 out.print_raw_cr(buffer); 1214 1215 log.set_fd(fd); 1216 } else { 1217 out.print_raw_cr("# Can not save log file, dump to screen.."); 1218 log.set_fd(defaultStream::output_fd()); 1219 /* Error reporting currently needs dumpfile. 1220 * Maybe implement direct streaming in the future.*/ 1221 transmit_report_done = true; 1222 } 1223 } 1224 1225 report(&log, true); 1226 _current_step = 0; 1227 _current_step_info = ""; 1228 1229 // Run error reporting to determine whether or not to report the crash. 1230 if (!transmit_report_done && should_report_bug(_id)) { 1231 transmit_report_done = true; 1232 const int fd2 = ::dup(log.fd()); 1233 FILE* const hs_err = ::fdopen(fd2, "r"); 1234 if (NULL != hs_err) { 1235 ErrorReporter er; 1236 er.call(hs_err, buffer, O_BUFLEN); 1237 } 1238 ::fclose(hs_err); 1239 } 1240 1241 if (log.fd() != defaultStream::output_fd()) { 1242 close(log.fd()); 1243 } 1244 1245 log.set_fd(-1); 1246 log_done = true; 1247 } 1248 1249 static bool skip_replay = ReplayCompiles; // Do not overwrite file during replay 1250 if (DumpReplayDataOnError && _thread && _thread->is_Compiler_thread() && !skip_replay) { 1251 skip_replay = true; 1252 ciEnv* env = ciEnv::current(); 1253 if (env != NULL) { 1254 int fd = prepare_log_file(ReplayDataFile, "replay_pid%p.log", buffer, sizeof(buffer)); 1255 if (fd != -1) { 1256 FILE* replay_data_file = os::open(fd, "w"); 1257 if (replay_data_file != NULL) { 1258 fileStream replay_data_stream(replay_data_file, /*need_close=*/true); 1259 env->dump_replay_data_unsafe(&replay_data_stream); 1260 out.print_raw("#\n# Compiler replay data is saved as:\n# "); 1261 out.print_raw_cr(buffer); 1262 } else { 1263 int e = errno; 1264 out.print_raw("#\n# Can't open file to dump replay data. Error: "); 1265 out.print_raw_cr(os::strerror(e)); 1266 } 1267 } 1268 } 1269 } 1270 1271 static bool skip_bug_url = !should_report_bug(_id); 1272 if (!skip_bug_url) { 1273 skip_bug_url = true; 1274 1275 out.print_raw_cr("#"); 1276 print_bug_submit_message(&out, _thread); 1277 } 1278 1279 static bool skip_OnError = false; 1280 if (!skip_OnError && OnError && OnError[0]) { 1281 skip_OnError = true; 1282 1283 // Flush output and finish logs before running OnError commands. 1284 ostream_abort(); 1285 1286 out.print_raw_cr("#"); 1287 out.print_raw ("# -XX:OnError=\""); 1288 out.print_raw (OnError); 1289 out.print_raw_cr("\""); 1290 1291 char* cmd; 1292 const char* ptr = OnError; 1293 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ 1294 out.print_raw ("# Executing "); 1295#if defined(LINUX) || defined(_ALLBSD_SOURCE) 1296 out.print_raw ("/bin/sh -c "); 1297#elif defined(SOLARIS) 1298 out.print_raw ("/usr/bin/sh -c "); 1299#endif 1300 out.print_raw ("\""); 1301 out.print_raw (cmd); 1302 out.print_raw_cr("\" ..."); 1303 1304 if (os::fork_and_exec(cmd) < 0) { 1305 out.print_cr("os::fork_and_exec failed: %s (%s=%d)", 1306 os::strerror(errno), os::errno_name(errno), errno); 1307 } 1308 } 1309 1310 // done with OnError 1311 OnError = NULL; 1312 } 1313 1314 if (!UseOSErrorReporting) { 1315 // os::abort() will call abort hooks, try it first. 1316 static bool skip_os_abort = false; 1317 if (!skip_os_abort) { 1318 skip_os_abort = true; 1319 bool dump_core = should_report_bug(_id); 1320 os::abort(dump_core && CreateCoredumpOnCrash, _siginfo, _context); 1321 } 1322 1323 // if os::abort() doesn't abort, try os::die(); 1324 os::die(); 1325 } 1326} 1327 1328/* 1329 * OnOutOfMemoryError scripts/commands executed while VM is a safepoint - this 1330 * ensures utilities such as jmap can observe the process is a consistent state. 1331 */ 1332class VM_ReportJavaOutOfMemory : public VM_Operation { 1333 private: 1334 const char* _message; 1335 public: 1336 VM_ReportJavaOutOfMemory(const char* message) { _message = message; } 1337 VMOp_Type type() const { return VMOp_ReportJavaOutOfMemory; } 1338 void doit(); 1339}; 1340 1341void VM_ReportJavaOutOfMemory::doit() { 1342 // Don't allocate large buffer on stack 1343 static char buffer[O_BUFLEN]; 1344 1345 tty->print_cr("#"); 1346 tty->print_cr("# java.lang.OutOfMemoryError: %s", _message); 1347 tty->print_cr("# -XX:OnOutOfMemoryError=\"%s\"", OnOutOfMemoryError); 1348 1349 // make heap parsability 1350 Universe::heap()->ensure_parsability(false); // no need to retire TLABs 1351 1352 char* cmd; 1353 const char* ptr = OnOutOfMemoryError; 1354 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ 1355 tty->print("# Executing "); 1356#if defined(LINUX) 1357 tty->print ("/bin/sh -c "); 1358#elif defined(SOLARIS) 1359 tty->print ("/usr/bin/sh -c "); 1360#endif 1361 tty->print_cr("\"%s\"...", cmd); 1362 1363 if (os::fork_and_exec(cmd) < 0) { 1364 tty->print_cr("os::fork_and_exec failed: %s (%s=%d)", 1365 os::strerror(errno), os::errno_name(errno), errno); 1366 } 1367 } 1368} 1369 1370void VMError::report_java_out_of_memory(const char* message) { 1371 if (OnOutOfMemoryError && OnOutOfMemoryError[0]) { 1372 MutexLocker ml(Heap_lock); 1373 VM_ReportJavaOutOfMemory op(message); 1374 VMThread::execute(&op); 1375 } 1376} 1377 1378void VMError::show_message_box(char *buf, int buflen) { 1379 bool yes; 1380 do { 1381 error_string(buf, buflen); 1382 yes = os::start_debugging(buf,buflen); 1383 } while (yes); 1384} 1385