jdk8-mips64-public/hotspot: src/share/vm/utilities/vmError.hpp@b92c45f2bc75

7016023: Enable building ARM and PPC from src/closed repository
Reviewed-by: dholmes, bdelsart

     1 /*

     2  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    25 #ifndef SHARE_VM_UTILITIES_VMERROR_HPP

    26 #define SHARE_VM_UTILITIES_VMERROR_HPP

    28 #include "utilities/globalDefinitions.hpp"

    31 class VM_ReportJavaOutOfMemory;

    33 class VMError : public StackObj {

    34   friend class VM_ReportJavaOutOfMemory;

    36   enum ErrorType {

    37     internal_error = 0xe0000000,

    38     oom_error      = 0xe0000001

    39   };

    40   int          _id;          // Solaris/Linux signals: 0 - SIGRTMAX

    41                              // Windows exceptions: 0xCxxxxxxx system errors

    42                              //                     0x8xxxxxxx system warnings

    44   const char * _message;

    45   const char * _detail_msg;

    47   Thread *     _thread;      // NULL if it's native thread

    50   // additional info for crashes

    51   address      _pc;          // faulting PC

    52   void *       _siginfo;     // ExceptionRecord on Windows,

    53                              // siginfo_t on Solaris/Linux

    54   void *       _context;     // ContextRecord on Windows,

    55                              // ucontext_t on Solaris/Linux

    57   // additional info for VM internal errors

    58   const char * _filename;

    59   int          _lineno;

    61   // used by fatal error handler

    62   int          _current_step;

    63   const char * _current_step_info;

    64   int          _verbose;

    65   // First error, and its thread id. We must be able to handle native thread,

    66   // so use thread id instead of Thread* to identify thread.

    67   static VMError* volatile first_error;

    68   static volatile jlong    first_error_tid;

    70   // used by reporting about OOM

    71   size_t       _size;

    73   // set signal handlers on Solaris/Linux or the default exception filter

    74   // on Windows, to handle recursive crashes.

    75   void reset_signal_handlers();

    77   // handle -XX:+ShowMessageBoxOnError. buf is used to format the message string

    78   void show_message_box(char* buf, int buflen);

    80   // generate an error report

    81   void report(outputStream* st);

    83   // generate a stack trace

    84   static void print_stack_trace(outputStream* st, JavaThread* jt,

    85                                 char* buf, int buflen, bool verbose = false);

    87   // accessor

    88   const char* message() const    { return _message; }

    89   const char* detail_msg() const { return _detail_msg; }

    90   bool should_report_bug(unsigned int id) { return id != oom_error; }

    92 public:

    93   // Constructor for crashes

    94   VMError(Thread* thread, unsigned int sig, address pc, void* siginfo,

    95           void* context);

    96   // Constructor for VM internal errors

    97   VMError(Thread* thread, const char* filename, int lineno,

    98           const char* message, const char * detail_msg);

   100   // Constructor for VM OOM errors

   101   VMError(Thread* thread, const char* filename, int lineno, size_t size,

   102           const char* message);

   103   // Constructor for non-fatal errors

   104   VMError(const char* message);

   106   // return a string to describe the error

   107   char *error_string(char* buf, int buflen);

   109   // main error reporting function

   110   void report_and_die();

   112   // reporting OutOfMemoryError

   113   void report_java_out_of_memory();

   115   // returns original flags for signal, if it was resetted, or -1 if

   116   // signal was not changed by error reporter

   117   static int get_resetted_sigflags(int sig);

   119   // returns original handler for signal, if it was resetted, or NULL if

   120   // signal was not changed by error reporter

   121   static address get_resetted_sighandler(int sig);

   123   // check to see if fatal error reporting is in progress

   124   static bool fatal_error_in_progress() { return first_error != NULL; }

   125 };

   127 #endif // SHARE_VM_UTILITIES_VMERROR_HPP

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