1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/utilities/vmError.hpp Sat Dec 01 00:00:00 2007 +0000
1.3 @@ -0,0 +1,103 @@
1.4 +/*
1.5 + * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
1.24 + * have any questions.
1.25 + *
1.26 + */
1.27 +
1.28 +
1.29 +class VM_ReportJavaOutOfMemory;
1.30 +
1.31 +class VMError : public StackObj {
1.32 + friend class VM_ReportJavaOutOfMemory;
1.33 +
1.34 + enum ErrorType {
1.35 + internal_error = 0xe0000000,
1.36 + oom_error = 0xe0000001
1.37 + };
1.38 + int _id; // Solaris/Linux signals: 0 - SIGRTMAX
1.39 + // Windows exceptions: 0xCxxxxxxx system errors
1.40 + // 0x8xxxxxxx system warnings
1.41 +
1.42 + const char * _message;
1.43 +
1.44 + Thread * _thread; // NULL if it's native thread
1.45 +
1.46 +
1.47 + // additional info for crashes
1.48 + address _pc; // faulting PC
1.49 + void * _siginfo; // ExceptionRecord on Windows,
1.50 + // siginfo_t on Solaris/Linux
1.51 + void * _context; // ContextRecord on Windows,
1.52 + // ucontext_t on Solaris/Linux
1.53 +
1.54 + // additional info for VM internal errors
1.55 + const char * _filename;
1.56 + int _lineno;
1.57 +
1.58 + // used by fatal error handler
1.59 + int _current_step;
1.60 + const char * _current_step_info;
1.61 + int _verbose;
1.62 +
1.63 + // used by reporting about OOM
1.64 + size_t _size;
1.65 +
1.66 + // set signal handlers on Solaris/Linux or the default exception filter
1.67 + // on Windows, to handle recursive crashes.
1.68 + void reset_signal_handlers();
1.69 +
1.70 + // handle -XX:+ShowMessageBoxOnError. buf is used to format the message string
1.71 + void show_message_box(char* buf, int buflen);
1.72 +
1.73 + // generate an error report
1.74 + void report(outputStream* st);
1.75 +
1.76 + // accessor
1.77 + const char* message() { return _message; }
1.78 +
1.79 +public:
1.80 + // Constructor for crashes
1.81 + VMError(Thread* thread, int sig, address pc, void* siginfo, void* context);
1.82 + // Constructor for VM internal errors
1.83 + VMError(Thread* thread, const char* message, const char* filename, int lineno);
1.84 +
1.85 + // Constructors for VM OOM errors
1.86 + VMError(Thread* thread, size_t size, const char* message, const char* filename, int lineno);
1.87 + // Constructor for non-fatal errors
1.88 + VMError(const char* message);
1.89 +
1.90 + // return a string to describe the error
1.91 + char *error_string(char* buf, int buflen);
1.92 +
1.93 + // main error reporting function
1.94 + void report_and_die();
1.95 +
1.96 + // reporting OutOfMemoryError
1.97 + void report_java_out_of_memory();
1.98 +
1.99 + // returns original flags for signal, if it was resetted, or -1 if
1.100 + // signal was not changed by error reporter
1.101 + static int get_resetted_sigflags(int sig);
1.102 +
1.103 + // returns original handler for signal, if it was resetted, or NULL if
1.104 + // signal was not changed by error reporter
1.105 + static address get_resetted_sighandler(int sig);
1.106 +};
