/* * Copyright (c) 2003, 2015, 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 AllStatic { friend class VM_ReportJavaOutOfMemory; friend class Decoder; // used by fatal error handler static int _current_step; static const char * _current_step_info; static int _verbose; // Thread id of the first error. We must be able to handle native thread, // so use thread id instead of Thread* to identify thread. 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]; // set signal handlers on Solaris/Linux or the default exception filter // on Windows, to handle recursive crashes. static void reset_signal_handlers(); // handle -XX:+ShowMessageBoxOnError. buf is used to format the message string static void show_message_box(char* buf, int buflen, int id, const char* message, const char* detail_fmt, va_list detail_args, address pc, const char* filename, int lineno) ATTRIBUTE_PRINTF(5, 0); // generate an error report static void report(outputStream* st, int id, const char* message, const char* detail_fmt, va_list detail_msg_args, Thread* thread, address pc, void* siginfo, void* context, const char* filename, int lineno, size_t size) ATTRIBUTE_PRINTF(4, 0); // generate a stack trace static void print_stack_trace(outputStream* st, JavaThread* jt, char* buf, int buflen, bool verbose = false); static const char* gc_mode(); static void print_oom_reasons(outputStream* st); static bool should_report_bug(unsigned int id) { return (id != OOM_MALLOC_ERROR) && (id != OOM_MMAP_ERROR); } static void report_and_die(Thread* thread, unsigned int sig, address pc, void* siginfo, void* context, const char* detail_fmt, ...) ATTRIBUTE_PRINTF(6, 7); static void report_and_die(const char* message, const char* detail_fmt, ...) ATTRIBUTE_PRINTF(2, 3); static fdStream out; static fdStream log; // error log used by VMError::report_and_die() public: // return a string to describe the error static char* error_string(char* buf, int buflen, int id, const char* message, const char* detail_fmt, va_list detail_args, address pc, const char* filename, int lineno) ATTRIBUTE_PRINTF(5, 0); // Record status of core/minidump static void record_coredump_status(const char* message, bool status); // main error reporting function // // int id; // Solaris/Linux signals: 0 - SIGRTMAX // // Windows exceptions: 0xCxxxxxxx system errors // // 0x8xxxxxxx system warnings // const char* message; // const char* detail_fmt; // Format string for the detailed message // va_list detail_args;// Arguments for the detailed message // 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; // // additional info for OOM // // size_t size; static void 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) ATTRIBUTE_PRINTF(3, 0); static void report_and_die(Thread* thread, unsigned int sig, address pc, void* siginfo, void* context); static void report_and_die(Thread* thread,const char* filename, int lineno, const char* message, const char* detail_fmt, va_list detail_args) ATTRIBUTE_PRINTF(5, 0); static void 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) ATTRIBUTE_PRINTF(6, 0); static void report_and_die(const char* message); // reporting OutOfMemoryError static void report_java_out_of_memory(const char* message); // 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_tid != -1; } static jlong get_first_error_tid() { return first_error_tid; } }; #endif // SHARE_VM_UTILITIES_VMERROR_HPP