| /* |
| * Copyright (c) 2003, 2013, 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. |
| * |
| */ |
| |
| #ifndef SHARE_VM_UTILITIES_VMERROR_HPP |
| #define SHARE_VM_UTILITIES_VMERROR_HPP |
| |
| #include "utilities/globalDefinitions.hpp" |
| |
| class Decoder; |
| class VM_ReportJavaOutOfMemory; |
| |
| class VMError : public StackObj { |
| friend class VM_ReportJavaOutOfMemory; |
| friend class Decoder; |
| |
| int _id; // Solaris/Linux signals: 0 - SIGRTMAX |
| // Windows exceptions: 0xCxxxxxxx system errors |
| // 0x8xxxxxxx system warnings |
| |
| const char * _message; |
| const char * _detail_msg; |
| |
| Thread * _thread; // NULL if it's native thread |
| |
| |
| // additional info for crashes |
| address _pc; // faulting PC |
| void * _siginfo; // ExceptionRecord on Windows, |
| // siginfo_t on Solaris/Linux |
| void * _context; // ContextRecord on Windows, |
| // ucontext_t on Solaris/Linux |
| |
| // additional info for VM internal errors |
| const char * _filename; |
| int _lineno; |
| |
| // used by fatal error handler |
| int _current_step; |
| const char * _current_step_info; |
| int _verbose; |
| // First error, and its thread id. We must be able to handle native thread, |
| // so use thread id instead of Thread* to identify thread. |
| static VMError* volatile first_error; |
| static volatile jlong first_error_tid; |
| |
| // Core dump status, false if we have been unable to write a core/minidump for some reason |
| static bool coredump_status; |
| |
| // When coredump_status is set to true this will contain the name/path to the core/minidump, |
| // if coredump_status if false, this will (hopefully) contain a useful error explaining why |
| // no core/minidump has been written to disk |
| static char coredump_message[O_BUFLEN]; |
| |
| // used by reporting about OOM |
| size_t _size; |
| |
| // set signal handlers on Solaris/Linux or the default exception filter |
| // on Windows, to handle recursive crashes. |
| void reset_signal_handlers(); |
| |
| // handle -XX:+ShowMessageBoxOnError. buf is used to format the message string |
| void show_message_box(char* buf, int buflen); |
| |
| // generate an error report |
| void report(outputStream* st); |
| |
| // generate a stack trace |
| static void print_stack_trace(outputStream* st, JavaThread* jt, |
| char* buf, int buflen, bool verbose = false); |
| |
| // accessor |
| const char* message() const { return _message; } |
| const char* detail_msg() const { return _detail_msg; } |
| bool should_report_bug(unsigned int id) { |
| return (id != OOM_MALLOC_ERROR) && (id != OOM_MMAP_ERROR); |
| } |
| |
| static fdStream out; |
| static fdStream log; // error log used by VMError::report_and_die() |
| |
| public: |
| |
| // Constructor for crashes |
| VMError(Thread* thread, unsigned int sig, address pc, void* siginfo, |
| void* context); |
| // Constructor for VM internal errors |
| VMError(Thread* thread, const char* filename, int lineno, |
| const char* message, const char * detail_msg); |
| |
| // Constructor for VM OOM errors |
| VMError(Thread* thread, const char* filename, int lineno, size_t size, |
| VMErrorType vm_err_type, const char* message); |
| // Constructor for non-fatal errors |
| VMError(const char* message); |
| |
| // return a string to describe the error |
| char *error_string(char* buf, int buflen); |
| |
| // Report status of core/minidump |
| static void report_coredump_status(const char* message, bool status); |
| |
| // main error reporting function |
| void report_and_die(); |
| |
| // reporting OutOfMemoryError |
| void report_java_out_of_memory(); |
| |
| // returns original flags for signal, if it was resetted, or -1 if |
| // signal was not changed by error reporter |
| static int get_resetted_sigflags(int sig); |
| |
| // returns original handler for signal, if it was resetted, or NULL if |
| // signal was not changed by error reporter |
| static address get_resetted_sighandler(int sig); |
| |
| // check to see if fatal error reporting is in progress |
| static bool fatal_error_in_progress() { return first_error != NULL; } |
| |
| static jlong get_first_error_tid() { |
| return first_error_tid; |
| } |
| }; |
| |
| #endif // SHARE_VM_UTILITIES_VMERROR_HPP |