diff -r 000000000000 -r a61af66fc99e src/share/vm/utilities/vmError.hpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/utilities/vmError.hpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,103 @@ +/* + * Copyright 2003-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + + +class VM_ReportJavaOutOfMemory; + +class VMError : public StackObj { + friend class VM_ReportJavaOutOfMemory; + + enum ErrorType { + internal_error = 0xe0000000, + oom_error = 0xe0000001 + }; + int _id; // Solaris/Linux signals: 0 - SIGRTMAX + // Windows exceptions: 0xCxxxxxxx system errors + // 0x8xxxxxxx system warnings + + const char * _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; + + // used by fatal error handler + int _current_step; + const char * _current_step_info; + int _verbose; + + // 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); + + // accessor + const char* message() { return _message; } + +public: + // Constructor for crashes + VMError(Thread* thread, int sig, address pc, void* siginfo, void* context); + // Constructor for VM internal errors + VMError(Thread* thread, const char* message, const char* filename, int lineno); + + // Constructors for VM OOM errors + VMError(Thread* thread, size_t size, const char* message, const char* filename, int lineno); + // Constructor for non-fatal errors + VMError(const char* message); + + // return a string to describe the error + char *error_string(char* buf, int buflen); + + // 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); +};