| /* |
| * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include <fcntl.h> |
| #include "precompiled.hpp" |
| #include "code/codeCache.hpp" |
| #include "compiler/compileBroker.hpp" |
| #include "compiler/disassembler.hpp" |
| #include "gc/shared/collectedHeap.hpp" |
| #include "prims/whitebox.hpp" |
| #include "runtime/arguments.hpp" |
| #include "runtime/atomic.inline.hpp" |
| #include "runtime/frame.inline.hpp" |
| #include "runtime/init.hpp" |
| #include "runtime/os.hpp" |
| #include "runtime/thread.inline.hpp" |
| #include "runtime/vmThread.hpp" |
| #include "runtime/vm_operations.hpp" |
| #include "services/memTracker.hpp" |
| #include "utilities/debug.hpp" |
| #include "utilities/decoder.hpp" |
| #include "utilities/defaultStream.hpp" |
| #include "utilities/errorReporter.hpp" |
| #include "utilities/events.hpp" |
| #include "utilities/vmError.hpp" |
| |
| // List of environment variables that should be reported in error log file. |
| const char *env_list[] = { |
| // All platforms |
| "JAVA_HOME", "JRE_HOME", "JAVA_TOOL_OPTIONS", "_JAVA_OPTIONS", "CLASSPATH", |
| "JAVA_COMPILER", "PATH", "USERNAME", |
| |
| // Env variables that are defined on Solaris/Linux/BSD |
| "LD_LIBRARY_PATH", "LD_PRELOAD", "SHELL", "DISPLAY", |
| "HOSTTYPE", "OSTYPE", "ARCH", "MACHTYPE", |
| |
| // defined on Linux |
| "LD_ASSUME_KERNEL", "_JAVA_SR_SIGNUM", |
| |
| // defined on Darwin |
| "DYLD_LIBRARY_PATH", "DYLD_FALLBACK_LIBRARY_PATH", |
| "DYLD_FRAMEWORK_PATH", "DYLD_FALLBACK_FRAMEWORK_PATH", |
| "DYLD_INSERT_LIBRARIES", |
| |
| // defined on Windows |
| "OS", "PROCESSOR_IDENTIFIER", "_ALT_JAVA_HOME_DIR", |
| |
| (const char *)0 |
| }; |
| |
| // A simple parser for -XX:OnError, usage: |
| // ptr = OnError; |
| // while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr) != NULL) |
| // ... ... |
| static char* next_OnError_command(char* buf, int buflen, const char** ptr) { |
| if (ptr == NULL || *ptr == NULL) return NULL; |
| |
| const char* cmd = *ptr; |
| |
| // skip leading blanks or ';' |
| while (*cmd == ' ' || *cmd == ';') cmd++; |
| |
| if (*cmd == '\0') return NULL; |
| |
| const char * cmdend = cmd; |
| while (*cmdend != '\0' && *cmdend != ';') cmdend++; |
| |
| Arguments::copy_expand_pid(cmd, cmdend - cmd, buf, buflen); |
| |
| *ptr = (*cmdend == '\0' ? cmdend : cmdend + 1); |
| return buf; |
| } |
| |
| static void print_bug_submit_message(outputStream *out, Thread *thread) { |
| if (out == NULL) return; |
| out->print_raw_cr("# If you would like to submit a bug report, please visit:"); |
| out->print_raw ("# "); |
| out->print_raw_cr(Arguments::java_vendor_url_bug()); |
| // If the crash is in native code, encourage user to submit a bug to the |
| // provider of that code. |
| if (thread && thread->is_Java_thread() && |
| !thread->is_hidden_from_external_view()) { |
| JavaThread* jt = (JavaThread*)thread; |
| if (jt->thread_state() == _thread_in_native) { |
| out->print_cr("# The crash happened outside the Java Virtual Machine in native code.\n# See problematic frame for where to report the bug."); |
| } |
| } |
| out->print_raw_cr("#"); |
| } |
| |
| bool VMError::coredump_status; |
| char VMError::coredump_message[O_BUFLEN]; |
| |
| void VMError::record_coredump_status(const char* message, bool status) { |
| coredump_status = status; |
| strncpy(coredump_message, message, sizeof(coredump_message)); |
| coredump_message[sizeof(coredump_message)-1] = 0; |
| } |
| |
| // Return a string to describe the error |
| char* VMError::error_string(char* buf, int buflen) { |
| char signame_buf[64]; |
| const char *signame = os::exception_name(_id, signame_buf, sizeof(signame_buf)); |
| |
| if (signame) { |
| jio_snprintf(buf, buflen, |
| "%s (0x%x) at pc=" PTR_FORMAT ", pid=%d, tid=" UINTX_FORMAT, |
| signame, _id, _pc, |
| os::current_process_id(), os::current_thread_id()); |
| } else if (_filename != NULL && _lineno > 0) { |
| // skip directory names |
| char separator = os::file_separator()[0]; |
| const char *p = strrchr(_filename, separator); |
| int n = jio_snprintf(buf, buflen, |
| "Internal Error at %s:%d, pid=%d, tid=" UINTX_FORMAT, |
| p ? p + 1 : _filename, _lineno, |
| os::current_process_id(), os::current_thread_id()); |
| if (n >= 0 && n < buflen && _message) { |
| if (strlen(_detail_msg) > 0) { |
| jio_snprintf(buf + n, buflen - n, "%s%s: %s", |
| os::line_separator(), _message, _detail_msg); |
| } else { |
| jio_snprintf(buf + n, buflen - n, "%sError: %s", |
| os::line_separator(), _message); |
| } |
| } |
| } else { |
| jio_snprintf(buf, buflen, |
| "Internal Error (0x%x), pid=%d, tid=" UINTX_FORMAT, |
| _id, os::current_process_id(), os::current_thread_id()); |
| } |
| |
| return buf; |
| } |
| |
| void VMError::print_stack_trace(outputStream* st, JavaThread* jt, |
| char* buf, int buflen, bool verbose) { |
| #ifdef ZERO |
| if (jt->zero_stack()->sp() && jt->top_zero_frame()) { |
| // StackFrameStream uses the frame anchor, which may not have |
| // been set up. This can be done at any time in Zero, however, |
| // so if it hasn't been set up then we just set it up now and |
| // clear it again when we're done. |
| bool has_last_Java_frame = jt->has_last_Java_frame(); |
| if (!has_last_Java_frame) |
| jt->set_last_Java_frame(); |
| st->print("Java frames:"); |
| |
| // If the top frame is a Shark frame and the frame anchor isn't |
| // set up then it's possible that the information in the frame |
| // is garbage: it could be from a previous decache, or it could |
| // simply have never been written. So we print a warning... |
| StackFrameStream sfs(jt); |
| if (!has_last_Java_frame && !sfs.is_done()) { |
| if (sfs.current()->zeroframe()->is_shark_frame()) { |
| st->print(" (TOP FRAME MAY BE JUNK)"); |
| } |
| } |
| st->cr(); |
| |
| // Print the frames |
| for(int i = 0; !sfs.is_done(); sfs.next(), i++) { |
| sfs.current()->zero_print_on_error(i, st, buf, buflen); |
| st->cr(); |
| } |
| |
| // Reset the frame anchor if necessary |
| if (!has_last_Java_frame) |
| jt->reset_last_Java_frame(); |
| } |
| #else |
| if (jt->has_last_Java_frame()) { |
| st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)"); |
| for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) { |
| sfs.current()->print_on_error(st, buf, buflen, verbose); |
| st->cr(); |
| } |
| } |
| #endif // ZERO |
| } |
| |
| static void print_oom_reasons(outputStream* st) { |
| st->print_cr("# Possible reasons:"); |
| st->print_cr("# The system is out of physical RAM or swap space"); |
| st->print_cr("# In 32 bit mode, the process size limit was hit"); |
| st->print_cr("# Possible solutions:"); |
| st->print_cr("# Reduce memory load on the system"); |
| st->print_cr("# Increase physical memory or swap space"); |
| st->print_cr("# Check if swap backing store is full"); |
| st->print_cr("# Use 64 bit Java on a 64 bit OS"); |
| st->print_cr("# Decrease Java heap size (-Xmx/-Xms)"); |
| st->print_cr("# Decrease number of Java threads"); |
| st->print_cr("# Decrease Java thread stack sizes (-Xss)"); |
| st->print_cr("# Set larger code cache with -XX:ReservedCodeCacheSize="); |
| st->print_cr("# This output file may be truncated or incomplete."); |
| } |
| |
| static const char* gc_mode() { |
| if (UseG1GC) return "g1 gc"; |
| if (UseParallelGC) return "parallel gc"; |
| if (UseConcMarkSweepGC) return "concurrent mark sweep gc"; |
| if (UseSerialGC) return "serial gc"; |
| return "ERROR in GC mode"; |
| } |
| |
| static void report_vm_version(outputStream* st, char* buf, int buflen) { |
| // VM version |
| st->print_cr("#"); |
| JDK_Version::current().to_string(buf, buflen); |
| const char* runtime_name = JDK_Version::runtime_name() != NULL ? |
| JDK_Version::runtime_name() : ""; |
| const char* runtime_version = JDK_Version::runtime_version() != NULL ? |
| JDK_Version::runtime_version() : ""; |
| const char* jdk_debug_level = Abstract_VM_Version::printable_jdk_debug_level() != NULL ? |
| Abstract_VM_Version::printable_jdk_debug_level() : ""; |
| |
| st->print_cr("# JRE version: %s (%s) (%sbuild %s)", runtime_name, buf, |
| jdk_debug_level, runtime_version); |
| |
| // This is the long version with some default settings added |
| st->print_cr("# Java VM: %s (%s%s, %s%s%s%s%s, %s, %s)", |
| Abstract_VM_Version::vm_name(), |
| jdk_debug_level, |
| Abstract_VM_Version::vm_release(), |
| Abstract_VM_Version::vm_info_string(), |
| TieredCompilation ? ", tiered" : "", |
| #if INCLUDE_JVMCI |
| EnableJVMCI ? ", jvmci" : "", |
| UseJVMCICompiler ? ", jvmci compiler" : "", |
| #else |
| "", "", |
| #endif |
| UseCompressedOops ? ", compressed oops" : "", |
| gc_mode(), |
| Abstract_VM_Version::vm_platform_string() |
| ); |
| } |
| |
| // This is the main function to report a fatal error. Only one thread can |
| // call this function, so we don't need to worry about MT-safety. But it's |
| // possible that the error handler itself may crash or die on an internal |
| // error, for example, when the stack/heap is badly damaged. We must be |
| // able to handle recursive errors that happen inside error handler. |
| // |
| // Error reporting is done in several steps. If a crash or internal error |
| // occurred when reporting an error, the nested signal/exception handler |
| // can skip steps that are already (or partially) done. Error reporting will |
| // continue from the next step. This allows us to retrieve and print |
| // information that may be unsafe to get after a fatal error. If it happens, |
| // you may find nested report_and_die() frames when you look at the stack |
| // in a debugger. |
| // |
| // In general, a hang in error handler is much worse than a crash or internal |
| // error, as it's harder to recover from a hang. Deadlock can happen if we |
| // try to grab a lock that is already owned by current thread, or if the |
| // owner is blocked forever (e.g. in os::infinite_sleep()). If possible, the |
| // error handler and all the functions it called should avoid grabbing any |
| // lock. An important thing to notice is that memory allocation needs a lock. |
| // |
| // We should avoid using large stack allocated buffers. Many errors happen |
| // when stack space is already low. Making things even worse is that there |
| // could be nested report_and_die() calls on stack (see above). Only one |
| // thread can report error, so large buffers are statically allocated in data |
| // segment. |
| |
| int VMError::_current_step; |
| const char* VMError::_current_step_info; |
| |
| void VMError::report(outputStream* st, bool _verbose) { |
| |
| # define BEGIN if (_current_step == 0) { _current_step = 1; |
| # define STEP(n, s) } if (_current_step < n) { _current_step = n; _current_step_info = s; |
| # define END } |
| |
| // don't allocate large buffer on stack |
| static char buf[O_BUFLEN]; |
| |
| BEGIN |
| |
| STEP(10, "(printing fatal error message)") |
| |
| st->print_cr("#"); |
| if (should_report_bug(_id)) { |
| st->print_cr("# A fatal error has been detected by the Java Runtime Environment:"); |
| } else { |
| st->print_cr("# There is insufficient memory for the Java " |
| "Runtime Environment to continue."); |
| } |
| |
| #ifndef PRODUCT |
| // Error handler self tests |
| |
| // test secondary error handling. Test it twice, to test that resetting |
| // error handler after a secondary crash works. |
| STEP(20, "(test secondary crash 1)") |
| if (_verbose && TestCrashInErrorHandler != 0) { |
| st->print_cr("Will crash now (TestCrashInErrorHandler=" UINTX_FORMAT ")...", |
| TestCrashInErrorHandler); |
| controlled_crash(TestCrashInErrorHandler); |
| } |
| |
| STEP(30, "(test secondary crash 2)") |
| if (_verbose && TestCrashInErrorHandler != 0) { |
| st->print_cr("Will crash now (TestCrashInErrorHandler=" UINTX_FORMAT ")...", |
| TestCrashInErrorHandler); |
| controlled_crash(TestCrashInErrorHandler); |
| } |
| |
| STEP(40, "(test safefetch in error handler)") |
| // test whether it is safe to use SafeFetch32 in Crash Handler. Test twice |
| // to test that resetting the signal handler works correctly. |
| if (_verbose && TestSafeFetchInErrorHandler) { |
| st->print_cr("Will test SafeFetch..."); |
| if (CanUseSafeFetch32()) { |
| int* const invalid_pointer = (int*) get_segfault_address(); |
| const int x = 0x76543210; |
| int i1 = SafeFetch32(invalid_pointer, x); |
| int i2 = SafeFetch32(invalid_pointer, x); |
| if (i1 == x && i2 == x) { |
| st->print_cr("SafeFetch OK."); // Correctly deflected and returned default pattern |
| } else { |
| st->print_cr("??"); |
| } |
| } else { |
| st->print_cr("not possible; skipped."); |
| } |
| } |
| #endif // PRODUCT |
| |
| STEP(50, "(printing type of error)") |
| |
| switch(_id) { |
| case OOM_MALLOC_ERROR: |
| case OOM_MMAP_ERROR: |
| if (_size) { |
| st->print("# Native memory allocation "); |
| st->print((_id == (int)OOM_MALLOC_ERROR) ? "(malloc) failed to allocate " : |
| "(mmap) failed to map "); |
| jio_snprintf(buf, sizeof(buf), SIZE_FORMAT, _size); |
| st->print("%s", buf); |
| st->print(" bytes"); |
| if (strlen(_detail_msg) > 0) { |
| st->print(" for "); |
| st->print("%s", _detail_msg); |
| } |
| st->cr(); |
| } else { |
| if (strlen(_detail_msg) > 0) { |
| st->print("# "); |
| st->print_cr("%s", _detail_msg); |
| } |
| } |
| // In error file give some solutions |
| if (_verbose) { |
| print_oom_reasons(st); |
| } else { |
| return; // that's enough for the screen |
| } |
| break; |
| case INTERNAL_ERROR: |
| default: |
| break; |
| } |
| |
| STEP(60, "(printing exception/signal name)") |
| |
| st->print_cr("#"); |
| st->print("# "); |
| // Is it an OS exception/signal? |
| if (os::exception_name(_id, buf, sizeof(buf))) { |
| st->print("%s", buf); |
| st->print(" (0x%x)", _id); // signal number |
| st->print(" at pc=" PTR_FORMAT, p2i(_pc)); |
| } else { |
| if (should_report_bug(_id)) { |
| st->print("Internal Error"); |
| } else { |
| st->print("Out of Memory Error"); |
| } |
| if (_filename != NULL && _lineno > 0) { |
| #ifdef PRODUCT |
| // In product mode chop off pathname? |
| char separator = os::file_separator()[0]; |
| const char *p = strrchr(_filename, separator); |
| const char *file = p ? p+1 : _filename; |
| #else |
| const char *file = _filename; |
| #endif |
| st->print(" (%s:%d)", file, _lineno); |
| } else { |
| st->print(" (0x%x)", _id); |
| } |
| } |
| |
| STEP(70, "(printing current thread and pid)") |
| |
| // process id, thread id |
| st->print(", pid=%d", os::current_process_id()); |
| st->print(", tid=" UINTX_FORMAT, os::current_thread_id()); |
| st->cr(); |
| |
| STEP(80, "(printing error message)") |
| |
| if (should_report_bug(_id)) { // already printed the message. |
| // error message |
| if (strlen(_detail_msg) > 0) { |
| st->print_cr("# %s: %s", _message ? _message : "Error", _detail_msg); |
| } else if (_message) { |
| st->print_cr("# Error: %s", _message); |
| } |
| } |
| |
| STEP(90, "(printing Java version string)") |
| |
| report_vm_version(st, buf, sizeof(buf)); |
| |
| STEP(100, "(printing problematic frame)") |
| |
| // Print current frame if we have a context (i.e. it's a crash) |
| if (_context) { |
| st->print_cr("# Problematic frame:"); |
| st->print("# "); |
| frame fr = os::fetch_frame_from_context(_context); |
| fr.print_on_error(st, buf, sizeof(buf)); |
| st->cr(); |
| st->print_cr("#"); |
| } |
| |
| STEP(110, "(printing core file information)") |
| st->print("# "); |
| if (CreateCoredumpOnCrash) { |
| if (coredump_status) { |
| st->print("Core dump will be written. Default location: %s", coredump_message); |
| } else { |
| st->print("No core dump will be written. %s", coredump_message); |
| } |
| } else { |
| st->print("CreateCoredumpOnCrash turned off, no core file dumped"); |
| } |
| st->cr(); |
| st->print_cr("#"); |
| |
| STEP(120, "(printing bug submit message)") |
| |
| if (should_report_bug(_id) && _verbose) { |
| print_bug_submit_message(st, _thread); |
| } |
| |
| STEP(130, "(printing summary)" ) |
| |
| if (_verbose) { |
| st->cr(); |
| st->print_cr("--------------- S U M M A R Y ------------"); |
| st->cr(); |
| } |
| |
| STEP(140, "(printing VM option summary)" ) |
| |
| if (_verbose) { |
| // VM options |
| Arguments::print_summary_on(st); |
| st->cr(); |
| } |
| |
| STEP(150, "(printing summary machine and OS info)") |
| |
| if (_verbose) { |
| os::print_summary_info(st, buf, sizeof(buf)); |
| } |
| |
| |
| STEP(160, "(printing date and time)" ) |
| |
| if (_verbose) { |
| os::print_date_and_time(st, buf, sizeof(buf)); |
| } |
| |
| STEP(170, "(printing thread)" ) |
| |
| if (_verbose) { |
| st->cr(); |
| st->print_cr("--------------- T H R E A D ---------------"); |
| st->cr(); |
| } |
| |
| STEP(180, "(printing current thread)" ) |
| |
| // current thread |
| if (_verbose) { |
| if (_thread) { |
| st->print("Current thread (" PTR_FORMAT "): ", p2i(_thread)); |
| _thread->print_on_error(st, buf, sizeof(buf)); |
| st->cr(); |
| } else { |
| st->print_cr("Current thread is native thread"); |
| } |
| st->cr(); |
| } |
| |
| STEP(190, "(printing current compile task)" ) |
| |
| if (_verbose && _thread && _thread->is_Compiler_thread()) { |
| CompilerThread* t = (CompilerThread*)_thread; |
| if (t->task()) { |
| st->cr(); |
| st->print_cr("Current CompileTask:"); |
| t->task()->print_line_on_error(st, buf, sizeof(buf)); |
| st->cr(); |
| } |
| } |
| |
| |
| STEP(200, "(printing stack bounds)" ) |
| |
| if (_verbose) { |
| st->print("Stack: "); |
| |
| address stack_top; |
| size_t stack_size; |
| |
| if (_thread) { |
| stack_top = _thread->stack_base(); |
| stack_size = _thread->stack_size(); |
| } else { |
| stack_top = os::current_stack_base(); |
| stack_size = os::current_stack_size(); |
| } |
| |
| address stack_bottom = stack_top - stack_size; |
| st->print("[" PTR_FORMAT "," PTR_FORMAT "]", p2i(stack_bottom), p2i(stack_top)); |
| |
| frame fr = _context ? os::fetch_frame_from_context(_context) |
| : os::current_frame(); |
| |
| if (fr.sp()) { |
| st->print(", sp=" PTR_FORMAT, p2i(fr.sp())); |
| size_t free_stack_size = pointer_delta(fr.sp(), stack_bottom, 1024); |
| st->print(", free space=" SIZE_FORMAT "k", free_stack_size); |
| } |
| |
| st->cr(); |
| } |
| |
| STEP(210, "(printing native stack)" ) |
| |
| if (_verbose) { |
| if (os::platform_print_native_stack(st, _context, buf, sizeof(buf))) { |
| // We have printed the native stack in platform-specific code |
| // Windows/x64 needs special handling. |
| } else { |
| frame fr = _context ? os::fetch_frame_from_context(_context) |
| : os::current_frame(); |
| |
| print_native_stack(st, fr, _thread, buf, sizeof(buf)); |
| } |
| } |
| |
| STEP(220, "(printing Java stack)" ) |
| |
| if (_verbose && _thread && _thread->is_Java_thread()) { |
| print_stack_trace(st, (JavaThread*)_thread, buf, sizeof(buf)); |
| } |
| |
| STEP(230, "(printing target Java thread stack)" ) |
| |
| // printing Java thread stack trace if it is involved in GC crash |
| if (_verbose && _thread && (_thread->is_Named_thread())) { |
| JavaThread* jt = ((NamedThread *)_thread)->processed_thread(); |
| if (jt != NULL) { |
| st->print_cr("JavaThread " PTR_FORMAT " (nid = %d) was being processed", p2i(jt), jt->osthread()->thread_id()); |
| print_stack_trace(st, jt, buf, sizeof(buf), true); |
| } |
| } |
| |
| STEP(240, "(printing siginfo)" ) |
| |
| // signal no, signal code, address that caused the fault |
| if (_verbose && _siginfo) { |
| st->cr(); |
| os::print_siginfo(st, _siginfo); |
| st->cr(); |
| } |
| |
| STEP(245, "(CDS archive access warning)" ) |
| |
| // Print an explicit hint if we crashed on access to the CDS archive. |
| if (_verbose && _siginfo) { |
| check_failing_cds_access(st, _siginfo); |
| st->cr(); |
| } |
| |
| STEP(250, "(printing register info)") |
| |
| // decode register contents if possible |
| if (_verbose && _context && Universe::is_fully_initialized()) { |
| os::print_register_info(st, _context); |
| st->cr(); |
| } |
| |
| STEP(260, "(printing registers, top of stack, instructions near pc)") |
| |
| // registers, top of stack, instructions near pc |
| if (_verbose && _context) { |
| os::print_context(st, _context); |
| st->cr(); |
| } |
| |
| STEP(265, "(printing code blob if possible)") |
| |
| if (_verbose && _context) { |
| CodeBlob* cb = CodeCache::find_blob(_pc); |
| if (cb != NULL) { |
| if (Interpreter::contains(_pc)) { |
| // The interpreter CodeBlob is very large so try to print the codelet instead. |
| InterpreterCodelet* codelet = Interpreter::codelet_containing(_pc); |
| if (codelet != NULL) { |
| codelet->print_on(st); |
| Disassembler::decode(codelet->code_begin(), codelet->code_end(), st); |
| } |
| } else { |
| StubCodeDesc* desc = StubCodeDesc::desc_for(_pc); |
| if (desc != NULL) { |
| desc->print_on(st); |
| Disassembler::decode(desc->begin(), desc->end(), st); |
| } else { |
| Disassembler::decode(cb, st); |
| st->cr(); |
| } |
| } |
| } |
| } |
| |
| STEP(270, "(printing VM operation)" ) |
| |
| if (_verbose && _thread && _thread->is_VM_thread()) { |
| VMThread* t = (VMThread*)_thread; |
| VM_Operation* op = t->vm_operation(); |
| if (op) { |
| op->print_on_error(st); |
| st->cr(); |
| st->cr(); |
| } |
| } |
| |
| STEP(280, "(printing process)" ) |
| |
| if (_verbose) { |
| st->cr(); |
| st->print_cr("--------------- P R O C E S S ---------------"); |
| st->cr(); |
| } |
| |
| STEP(290, "(printing all threads)" ) |
| |
| // all threads |
| if (_verbose && _thread) { |
| Threads::print_on_error(st, _thread, buf, sizeof(buf)); |
| st->cr(); |
| } |
| |
| STEP(300, "(printing VM state)" ) |
| |
| if (_verbose) { |
| // Safepoint state |
| st->print("VM state:"); |
| |
| if (SafepointSynchronize::is_synchronizing()) st->print("synchronizing"); |
| else if (SafepointSynchronize::is_at_safepoint()) st->print("at safepoint"); |
| else st->print("not at safepoint"); |
| |
| // Also see if error occurred during initialization or shutdown |
| if (!Universe::is_fully_initialized()) { |
| st->print(" (not fully initialized)"); |
| } else if (VM_Exit::vm_exited()) { |
| st->print(" (shutting down)"); |
| } else { |
| st->print(" (normal execution)"); |
| } |
| st->cr(); |
| st->cr(); |
| } |
| |
| STEP(310, "(printing owned locks on error)" ) |
| |
| // mutexes/monitors that currently have an owner |
| if (_verbose) { |
| print_owned_locks_on_error(st); |
| st->cr(); |
| } |
| |
| STEP(320, "(printing number of OutOfMemoryError and StackOverflow exceptions)") |
| |
| if (_verbose && Exceptions::has_exception_counts()) { |
| st->print_cr("OutOfMemory and StackOverflow Exception counts:"); |
| Exceptions::print_exception_counts_on_error(st); |
| st->cr(); |
| } |
| |
| STEP(330, "(printing compressed oops mode") |
| |
| if (_verbose && UseCompressedOops) { |
| Universe::print_compressed_oops_mode(st); |
| if (UseCompressedClassPointers) { |
| Metaspace::print_compressed_class_space(st); |
| } |
| st->cr(); |
| } |
| |
| STEP(340, "(printing heap information)" ) |
| |
| if (_verbose && Universe::is_fully_initialized()) { |
| Universe::heap()->print_on_error(st); |
| st->cr(); |
| st->print_cr("Polling page: " INTPTR_FORMAT, p2i(os::get_polling_page())); |
| st->cr(); |
| } |
| |
| STEP(350, "(printing code cache information)" ) |
| |
| if (_verbose && Universe::is_fully_initialized()) { |
| // print code cache information before vm abort |
| CodeCache::print_summary(st); |
| st->cr(); |
| } |
| |
| STEP(360, "(printing ring buffers)" ) |
| |
| if (_verbose) { |
| Events::print_all(st); |
| st->cr(); |
| } |
| |
| STEP(370, "(printing dynamic libraries)" ) |
| |
| if (_verbose) { |
| // dynamic libraries, or memory map |
| os::print_dll_info(st); |
| st->cr(); |
| } |
| |
| STEP(380, "(printing VM options)" ) |
| |
| if (_verbose) { |
| // VM options |
| Arguments::print_on(st); |
| st->cr(); |
| } |
| |
| STEP(390, "(printing warning if internal testing API used)" ) |
| |
| if (WhiteBox::used()) { |
| st->print_cr("Unsupported internal testing APIs have been used."); |
| st->cr(); |
| } |
| |
| STEP(400, "(printing all environment variables)" ) |
| |
| if (_verbose) { |
| os::print_environment_variables(st, env_list); |
| st->cr(); |
| } |
| |
| STEP(410, "(printing signal handlers)" ) |
| |
| if (_verbose) { |
| os::print_signal_handlers(st, buf, sizeof(buf)); |
| st->cr(); |
| } |
| |
| STEP(420, "(Native Memory Tracking)" ) |
| if (_verbose) { |
| MemTracker::error_report(st); |
| } |
| |
| STEP(430, "(printing system)" ) |
| |
| if (_verbose) { |
| st->cr(); |
| st->print_cr("--------------- S Y S T E M ---------------"); |
| st->cr(); |
| } |
| |
| STEP(440, "(printing OS information)" ) |
| |
| if (_verbose) { |
| os::print_os_info(st); |
| st->cr(); |
| } |
| |
| STEP(450, "(printing CPU info)" ) |
| if (_verbose) { |
| os::print_cpu_info(st, buf, sizeof(buf)); |
| st->cr(); |
| } |
| |
| STEP(460, "(printing memory info)" ) |
| |
| if (_verbose) { |
| os::print_memory_info(st); |
| st->cr(); |
| } |
| |
| STEP(470, "(printing internal vm info)" ) |
| |
| if (_verbose) { |
| st->print_cr("vm_info: %s", Abstract_VM_Version::internal_vm_info_string()); |
| st->cr(); |
| } |
| |
| // print a defined marker to show that error handling finished correctly. |
| STEP(480, "(printing end marker)" ) |
| |
| if (_verbose) { |
| st->print_cr("END."); |
| } |
| |
| END |
| |
| # undef BEGIN |
| # undef STEP |
| # undef END |
| } |
| |
| // Report for the vm_info_cmd. This prints out the information above omitting |
| // crash and thread specific information. If output is added above, it should be added |
| // here also, if it is safe to call during a running process. |
| void VMError::print_vm_info(outputStream* st) { |
| |
| char buf[O_BUFLEN]; |
| report_vm_version(st, buf, sizeof(buf)); |
| |
| // STEP("(printing summary)") |
| |
| st->cr(); |
| st->print_cr("--------------- S U M M A R Y ------------"); |
| st->cr(); |
| |
| // STEP("(printing VM option summary)") |
| |
| // VM options |
| Arguments::print_summary_on(st); |
| st->cr(); |
| |
| // STEP("(printing summary machine and OS info)") |
| |
| os::print_summary_info(st, buf, sizeof(buf)); |
| |
| // STEP("(printing date and time)") |
| |
| os::print_date_and_time(st, buf, sizeof(buf)); |
| |
| // Skip: STEP("(printing thread)") |
| |
| // STEP("(printing process)") |
| |
| st->cr(); |
| st->print_cr("--------------- P R O C E S S ---------------"); |
| st->cr(); |
| |
| // STEP("(printing number of OutOfMemoryError and StackOverflow exceptions)") |
| |
| if (Exceptions::has_exception_counts()) { |
| st->print_cr("OutOfMemory and StackOverflow Exception counts:"); |
| Exceptions::print_exception_counts_on_error(st); |
| st->cr(); |
| } |
| |
| // STEP("(printing compressed oops mode") |
| |
| if (UseCompressedOops) { |
| Universe::print_compressed_oops_mode(st); |
| if (UseCompressedClassPointers) { |
| Metaspace::print_compressed_class_space(st); |
| } |
| st->cr(); |
| } |
| |
| // STEP("(printing heap information)") |
| |
| if (Universe::is_fully_initialized()) { |
| Universe::heap()->print_on_error(st); |
| st->cr(); |
| st->print_cr("Polling page: " INTPTR_FORMAT, p2i(os::get_polling_page())); |
| st->cr(); |
| } |
| |
| // STEP("(printing code cache information)") |
| |
| if (Universe::is_fully_initialized()) { |
| // print code cache information before vm abort |
| CodeCache::print_summary(st); |
| st->cr(); |
| } |
| |
| // STEP("(printing ring buffers)") |
| |
| Events::print_all(st); |
| st->cr(); |
| |
| // STEP("(printing dynamic libraries)") |
| |
| // dynamic libraries, or memory map |
| os::print_dll_info(st); |
| st->cr(); |
| |
| // STEP("(printing VM options)") |
| |
| // VM options |
| Arguments::print_on(st); |
| st->cr(); |
| |
| // STEP("(printing warning if internal testing API used)") |
| |
| if (WhiteBox::used()) { |
| st->print_cr("Unsupported internal testing APIs have been used."); |
| st->cr(); |
| } |
| |
| // STEP("(printing all environment variables)") |
| |
| os::print_environment_variables(st, env_list); |
| st->cr(); |
| |
| // STEP("(printing signal handlers)") |
| |
| os::print_signal_handlers(st, buf, sizeof(buf)); |
| st->cr(); |
| |
| // STEP("(Native Memory Tracking)") |
| |
| MemTracker::error_report(st); |
| |
| // STEP("(printing system)") |
| |
| st->cr(); |
| st->print_cr("--------------- S Y S T E M ---------------"); |
| st->cr(); |
| |
| // STEP("(printing OS information)") |
| |
| os::print_os_info(st); |
| st->cr(); |
| |
| // STEP("(printing CPU info)") |
| |
| os::print_cpu_info(st, buf, sizeof(buf)); |
| st->cr(); |
| |
| // STEP("(printing memory info)") |
| |
| os::print_memory_info(st); |
| st->cr(); |
| |
| // STEP("(printing internal vm info)") |
| |
| st->print_cr("vm_info: %s", Abstract_VM_Version::internal_vm_info_string()); |
| st->cr(); |
| |
| // print a defined marker to show that error handling finished correctly. |
| // STEP("(printing end marker)") |
| |
| st->print_cr("END."); |
| } |
| |
| volatile intptr_t VMError::first_error_tid = -1; |
| |
| // An error could happen before tty is initialized or after it has been |
| // destroyed. |
| // Please note: to prevent large stack allocations, the log- and |
| // output-stream use a global scratch buffer for format printing. |
| // (see VmError::report_and_die(). Access to those streams is synchronized |
| // in VmError::report_and_die() - there is only one reporting thread at |
| // any given time. |
| fdStream VMError::out(defaultStream::output_fd()); |
| fdStream VMError::log; // error log used by VMError::report_and_die() |
| |
| /** Expand a pattern into a buffer starting at pos and open a file using constructed path */ |
| static int expand_and_open(const char* pattern, char* buf, size_t buflen, size_t pos) { |
| int fd = -1; |
| if (Arguments::copy_expand_pid(pattern, strlen(pattern), &buf[pos], buflen - pos)) { |
| // the O_EXCL flag will cause the open to fail if the file exists |
| fd = open(buf, O_RDWR | O_CREAT | O_EXCL, 0666); |
| } |
| return fd; |
| } |
| |
| /** |
| * Construct file name for a log file and return it's file descriptor. |
| * Name and location depends on pattern, default_pattern params and access |
| * permissions. |
| */ |
| static int prepare_log_file(const char* pattern, const char* default_pattern, char* buf, size_t buflen) { |
| int fd = -1; |
| |
| // If possible, use specified pattern to construct log file name |
| if (pattern != NULL) { |
| fd = expand_and_open(pattern, buf, buflen, 0); |
| } |
| |
| // Either user didn't specify, or the user's location failed, |
| // so use the default name in the current directory |
| if (fd == -1) { |
| const char* cwd = os::get_current_directory(buf, buflen); |
| if (cwd != NULL) { |
| size_t pos = strlen(cwd); |
| int fsep_len = jio_snprintf(&buf[pos], buflen-pos, "%s", os::file_separator()); |
| pos += fsep_len; |
| if (fsep_len > 0) { |
| fd = expand_and_open(default_pattern, buf, buflen, pos); |
| } |
| } |
| } |
| |
| // try temp directory if it exists. |
| if (fd == -1) { |
| const char* tmpdir = os::get_temp_directory(); |
| if (tmpdir != NULL && strlen(tmpdir) > 0) { |
| int pos = jio_snprintf(buf, buflen, "%s%s", tmpdir, os::file_separator()); |
| if (pos > 0) { |
| fd = expand_and_open(default_pattern, buf, buflen, pos); |
| } |
| } |
| } |
| |
| return fd; |
| } |
| |
| int VMError::_id; |
| const char* VMError::_message; |
| char VMError::_detail_msg[1024]; |
| Thread* VMError::_thread; |
| address VMError::_pc; |
| void* VMError::_siginfo; |
| void* VMError::_context; |
| const char* VMError::_filename; |
| int VMError::_lineno; |
| size_t VMError::_size; |
| |
| void VMError::report_and_die(Thread* thread, unsigned int sig, address pc, void* siginfo, |
| void* context, const char* detail_fmt, ...) |
| { |
| va_list detail_args; |
| va_start(detail_args, detail_fmt); |
| report_and_die(sig, NULL, detail_fmt, detail_args, thread, pc, siginfo, context, NULL, 0, 0); |
| va_end(detail_args); |
| } |
| |
| void VMError::report_and_die(Thread* thread, unsigned int sig, address pc, void* siginfo, void* context) |
| { |
| report_and_die(thread, sig, pc, siginfo, context, "%s", ""); |
| } |
| |
| void VMError::report_and_die(const char* message, const char* detail_fmt, ...) |
| { |
| va_list detail_args; |
| va_start(detail_args, detail_fmt); |
| report_and_die(INTERNAL_ERROR, message, detail_fmt, detail_args, NULL, NULL, NULL, NULL, NULL, 0, 0); |
| va_end(detail_args); |
| } |
| |
| void VMError::report_and_die(const char* message) |
| { |
| report_and_die(message, "%s", ""); |
| } |
| |
| void VMError::report_and_die(Thread* thread, const char* filename, int lineno, const char* message, |
| const char* detail_fmt, va_list detail_args) |
| { |
| report_and_die(INTERNAL_ERROR, message, detail_fmt, detail_args, thread, NULL, NULL, NULL, filename, lineno, 0); |
| } |
| |
| void VMError::report_and_die(Thread* thread, const char* filename, int lineno, size_t size, |
| VMErrorType vm_err_type, const char* detail_fmt, va_list detail_args) { |
| report_and_die(vm_err_type, NULL, detail_fmt, detail_args, thread, NULL, NULL, NULL, filename, lineno, size); |
| } |
| |
| void VMError::report_and_die(int id, const char* message, const char* detail_fmt, va_list detail_args, |
| Thread* thread, address pc, void* siginfo, void* context, const char* filename, |
| int lineno, size_t size) |
| { |
| // Don't allocate large buffer on stack |
| static char buffer[O_BUFLEN]; |
| out.set_scratch_buffer(buffer, sizeof(buffer)); |
| log.set_scratch_buffer(buffer, sizeof(buffer)); |
| |
| // How many errors occurred in error handler when reporting first_error. |
| static int recursive_error_count; |
| |
| // We will first print a brief message to standard out (verbose = false), |
| // then save detailed information in log file (verbose = true). |
| static bool out_done = false; // done printing to standard out |
| static bool log_done = false; // done saving error log |
| static bool transmit_report_done = false; // done error reporting |
| |
| if (SuppressFatalErrorMessage) { |
| os::abort(CreateCoredumpOnCrash); |
| } |
| intptr_t mytid = os::current_thread_id(); |
| if (first_error_tid == -1 && |
| Atomic::cmpxchg_ptr(mytid, &first_error_tid, -1) == -1) { |
| |
| // Initialize time stamps to use the same base. |
| out.time_stamp().update_to(1); |
| log.time_stamp().update_to(1); |
| |
| _id = id; |
| _message = message; |
| _thread = thread; |
| _pc = pc; |
| _siginfo = siginfo; |
| _context = context; |
| _filename = filename; |
| _lineno = lineno; |
| _size = size; |
| jio_vsnprintf(_detail_msg, sizeof(_detail_msg), detail_fmt, detail_args); |
| |
| // first time |
| set_error_reported(); |
| |
| if (ShowMessageBoxOnError || PauseAtExit) { |
| show_message_box(buffer, sizeof(buffer)); |
| |
| // User has asked JVM to abort. Reset ShowMessageBoxOnError so the |
| // WatcherThread can kill JVM if the error handler hangs. |
| ShowMessageBoxOnError = false; |
| } |
| |
| os::check_dump_limit(buffer, sizeof(buffer)); |
| |
| // reset signal handlers or exception filter; make sure recursive crashes |
| // are handled properly. |
| reset_signal_handlers(); |
| |
| } else { |
| // If UseOsErrorReporting we call this for each level of the call stack |
| // while searching for the exception handler. Only the first level needs |
| // to be reported. |
| if (UseOSErrorReporting && log_done) return; |
| |
| // This is not the first error, see if it happened in a different thread |
| // or in the same thread during error reporting. |
| if (first_error_tid != mytid) { |
| char msgbuf[64]; |
| jio_snprintf(msgbuf, sizeof(msgbuf), |
| "[thread " INTX_FORMAT " also had an error]", |
| mytid); |
| out.print_raw_cr(msgbuf); |
| |
| // error reporting is not MT-safe, block current thread |
| os::infinite_sleep(); |
| |
| } else { |
| if (recursive_error_count++ > 30) { |
| out.print_raw_cr("[Too many errors, abort]"); |
| os::die(); |
| } |
| |
| jio_snprintf(buffer, sizeof(buffer), |
| "[error occurred during error reporting %s, id 0x%x]", |
| _current_step_info, _id); |
| if (log.is_open()) { |
| log.cr(); |
| log.print_raw_cr(buffer); |
| log.cr(); |
| } else { |
| out.cr(); |
| out.print_raw_cr(buffer); |
| out.cr(); |
| } |
| } |
| } |
| |
| // print to screen |
| if (!out_done) { |
| report(&out, false); |
| |
| out_done = true; |
| |
| _current_step = 0; |
| _current_step_info = ""; |
| } |
| |
| // print to error log file |
| if (!log_done) { |
| // see if log file is already open |
| if (!log.is_open()) { |
| // open log file |
| int fd = prepare_log_file(ErrorFile, "hs_err_pid%p.log", buffer, sizeof(buffer)); |
| if (fd != -1) { |
| out.print_raw("# An error report file with more information is saved as:\n# "); |
| out.print_raw_cr(buffer); |
| |
| log.set_fd(fd); |
| } else { |
| out.print_raw_cr("# Can not save log file, dump to screen.."); |
| log.set_fd(defaultStream::output_fd()); |
| /* Error reporting currently needs dumpfile. |
| * Maybe implement direct streaming in the future.*/ |
| transmit_report_done = true; |
| } |
| } |
| |
| report(&log, true); |
| _current_step = 0; |
| _current_step_info = ""; |
| |
| // Run error reporting to determine whether or not to report the crash. |
| if (!transmit_report_done && should_report_bug(_id)) { |
| transmit_report_done = true; |
| const int fd2 = ::dup(log.fd()); |
| FILE* const hs_err = ::fdopen(fd2, "r"); |
| if (NULL != hs_err) { |
| ErrorReporter er; |
| er.call(hs_err, buffer, O_BUFLEN); |
| } |
| ::fclose(hs_err); |
| } |
| |
| if (log.fd() != defaultStream::output_fd()) { |
| close(log.fd()); |
| } |
| |
| log.set_fd(-1); |
| log_done = true; |
| } |
| |
| static bool skip_replay = ReplayCompiles; // Do not overwrite file during replay |
| if (DumpReplayDataOnError && _thread && _thread->is_Compiler_thread() && !skip_replay) { |
| skip_replay = true; |
| ciEnv* env = ciEnv::current(); |
| if (env != NULL) { |
| int fd = prepare_log_file(ReplayDataFile, "replay_pid%p.log", buffer, sizeof(buffer)); |
| if (fd != -1) { |
| FILE* replay_data_file = os::open(fd, "w"); |
| if (replay_data_file != NULL) { |
| fileStream replay_data_stream(replay_data_file, /*need_close=*/true); |
| env->dump_replay_data_unsafe(&replay_data_stream); |
| out.print_raw("#\n# Compiler replay data is saved as:\n# "); |
| out.print_raw_cr(buffer); |
| } else { |
| int e = errno; |
| out.print_raw("#\n# Can't open file to dump replay data. Error: "); |
| out.print_raw_cr(os::strerror(e)); |
| } |
| } |
| } |
| } |
| |
| static bool skip_bug_url = !should_report_bug(_id); |
| if (!skip_bug_url) { |
| skip_bug_url = true; |
| |
| out.print_raw_cr("#"); |
| print_bug_submit_message(&out, _thread); |
| } |
| |
| static bool skip_OnError = false; |
| if (!skip_OnError && OnError && OnError[0]) { |
| skip_OnError = true; |
| |
| // Flush output and finish logs before running OnError commands. |
| ostream_abort(); |
| |
| out.print_raw_cr("#"); |
| out.print_raw ("# -XX:OnError=\""); |
| out.print_raw (OnError); |
| out.print_raw_cr("\""); |
| |
| char* cmd; |
| const char* ptr = OnError; |
| while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ |
| out.print_raw ("# Executing "); |
| #if defined(LINUX) || defined(_ALLBSD_SOURCE) |
| out.print_raw ("/bin/sh -c "); |
| #elif defined(SOLARIS) |
| out.print_raw ("/usr/bin/sh -c "); |
| #endif |
| out.print_raw ("\""); |
| out.print_raw (cmd); |
| out.print_raw_cr("\" ..."); |
| |
| if (os::fork_and_exec(cmd) < 0) { |
| out.print_cr("os::fork_and_exec failed: %s (%s=%d)", |
| os::strerror(errno), os::errno_name(errno), errno); |
| } |
| } |
| |
| // done with OnError |
| OnError = NULL; |
| } |
| |
| if (!UseOSErrorReporting) { |
| // os::abort() will call abort hooks, try it first. |
| static bool skip_os_abort = false; |
| if (!skip_os_abort) { |
| skip_os_abort = true; |
| bool dump_core = should_report_bug(_id); |
| os::abort(dump_core && CreateCoredumpOnCrash, _siginfo, _context); |
| } |
| |
| // if os::abort() doesn't abort, try os::die(); |
| os::die(); |
| } |
| } |
| |
| /* |
| * OnOutOfMemoryError scripts/commands executed while VM is a safepoint - this |
| * ensures utilities such as jmap can observe the process is a consistent state. |
| */ |
| class VM_ReportJavaOutOfMemory : public VM_Operation { |
| private: |
| const char* _message; |
| public: |
| VM_ReportJavaOutOfMemory(const char* message) { _message = message; } |
| VMOp_Type type() const { return VMOp_ReportJavaOutOfMemory; } |
| void doit(); |
| }; |
| |
| void VM_ReportJavaOutOfMemory::doit() { |
| // Don't allocate large buffer on stack |
| static char buffer[O_BUFLEN]; |
| |
| tty->print_cr("#"); |
| tty->print_cr("# java.lang.OutOfMemoryError: %s", _message); |
| tty->print_cr("# -XX:OnOutOfMemoryError=\"%s\"", OnOutOfMemoryError); |
| |
| // make heap parsability |
| Universe::heap()->ensure_parsability(false); // no need to retire TLABs |
| |
| char* cmd; |
| const char* ptr = OnOutOfMemoryError; |
| while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ |
| tty->print("# Executing "); |
| #if defined(LINUX) |
| tty->print ("/bin/sh -c "); |
| #elif defined(SOLARIS) |
| tty->print ("/usr/bin/sh -c "); |
| #endif |
| tty->print_cr("\"%s\"...", cmd); |
| |
| if (os::fork_and_exec(cmd) < 0) { |
| tty->print_cr("os::fork_and_exec failed: %s (%s=%d)", |
| os::strerror(errno), os::errno_name(errno), errno); |
| } |
| } |
| } |
| |
| void VMError::report_java_out_of_memory(const char* message) { |
| if (OnOutOfMemoryError && OnOutOfMemoryError[0]) { |
| MutexLocker ml(Heap_lock); |
| VM_ReportJavaOutOfMemory op(message); |
| VMThread::execute(&op); |
| } |
| } |
| |
| void VMError::show_message_box(char *buf, int buflen) { |
| bool yes; |
| do { |
| error_string(buf, buflen); |
| yes = os::start_debugging(buf,buflen); |
| } while (yes); |
| } |