src/share/vm/utilities/vmError.hpp

Mon, 03 Jan 2011 14:09:11 -0500

author
coleenp
date
Mon, 03 Jan 2011 14:09:11 -0500
changeset 2418
36c186bcc085
parent 2314
f95d63e2154a
child 2520
63d374c54045
permissions
-rw-r--r--

6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places.
Summary: enhance the error reporting mechanism to help user to fix the problem rather than making it look like a VM error.
Reviewed-by: kvn, kamg

duke@435 1 /*
trims@1907 2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
stefank@2314 25 #ifndef SHARE_VM_UTILITIES_VMERROR_HPP
stefank@2314 26 #define SHARE_VM_UTILITIES_VMERROR_HPP
stefank@2314 27
stefank@2314 28 #include "utilities/globalDefinitions.hpp"
stefank@2314 29
duke@435 30
duke@435 31 class VM_ReportJavaOutOfMemory;
duke@435 32
duke@435 33 class VMError : public StackObj {
duke@435 34 friend class VM_ReportJavaOutOfMemory;
duke@435 35
duke@435 36 enum ErrorType {
duke@435 37 internal_error = 0xe0000000,
duke@435 38 oom_error = 0xe0000001
duke@435 39 };
duke@435 40 int _id; // Solaris/Linux signals: 0 - SIGRTMAX
duke@435 41 // Windows exceptions: 0xCxxxxxxx system errors
duke@435 42 // 0x8xxxxxxx system warnings
duke@435 43
duke@435 44 const char * _message;
jcoomes@1845 45 const char * _detail_msg;
duke@435 46
duke@435 47 Thread * _thread; // NULL if it's native thread
duke@435 48
duke@435 49
duke@435 50 // additional info for crashes
duke@435 51 address _pc; // faulting PC
duke@435 52 void * _siginfo; // ExceptionRecord on Windows,
duke@435 53 // siginfo_t on Solaris/Linux
duke@435 54 void * _context; // ContextRecord on Windows,
duke@435 55 // ucontext_t on Solaris/Linux
duke@435 56
duke@435 57 // additional info for VM internal errors
duke@435 58 const char * _filename;
twisti@1038 59 int _lineno;
duke@435 60
duke@435 61 // used by fatal error handler
duke@435 62 int _current_step;
duke@435 63 const char * _current_step_info;
duke@435 64 int _verbose;
bobv@2036 65 // First error, and its thread id. We must be able to handle native thread,
bobv@2036 66 // so use thread id instead of Thread* to identify thread.
bobv@2036 67 static VMError* volatile first_error;
bobv@2036 68 static volatile jlong first_error_tid;
duke@435 69
duke@435 70 // used by reporting about OOM
duke@435 71 size_t _size;
duke@435 72
duke@435 73 // set signal handlers on Solaris/Linux or the default exception filter
duke@435 74 // on Windows, to handle recursive crashes.
duke@435 75 void reset_signal_handlers();
duke@435 76
duke@435 77 // handle -XX:+ShowMessageBoxOnError. buf is used to format the message string
duke@435 78 void show_message_box(char* buf, int buflen);
duke@435 79
duke@435 80 // generate an error report
duke@435 81 void report(outputStream* st);
duke@435 82
twisti@1819 83 // generate a stack trace
twisti@1819 84 static void print_stack_trace(outputStream* st, JavaThread* jt,
twisti@1819 85 char* buf, int buflen, bool verbose = false);
twisti@1819 86
duke@435 87 // accessor
jcoomes@1845 88 const char* message() const { return _message; }
jcoomes@1845 89 const char* detail_msg() const { return _detail_msg; }
coleenp@2418 90 bool should_report_bug(unsigned int id) { return id != oom_error; }
duke@435 91
duke@435 92 public:
duke@435 93 // Constructor for crashes
coleenp@2418 94 VMError(Thread* thread, unsigned int sig, address pc, void* siginfo,
coleenp@2418 95 void* context);
duke@435 96 // Constructor for VM internal errors
jcoomes@1845 97 VMError(Thread* thread, const char* filename, int lineno,
jcoomes@1845 98 const char* message, const char * detail_msg);
duke@435 99
jcoomes@1845 100 // Constructor for VM OOM errors
jcoomes@1845 101 VMError(Thread* thread, const char* filename, int lineno, size_t size,
jcoomes@1845 102 const char* message);
duke@435 103 // Constructor for non-fatal errors
duke@435 104 VMError(const char* message);
duke@435 105
duke@435 106 // return a string to describe the error
duke@435 107 char *error_string(char* buf, int buflen);
duke@435 108
duke@435 109 // main error reporting function
duke@435 110 void report_and_die();
duke@435 111
duke@435 112 // reporting OutOfMemoryError
duke@435 113 void report_java_out_of_memory();
duke@435 114
duke@435 115 // returns original flags for signal, if it was resetted, or -1 if
duke@435 116 // signal was not changed by error reporter
duke@435 117 static int get_resetted_sigflags(int sig);
duke@435 118
duke@435 119 // returns original handler for signal, if it was resetted, or NULL if
duke@435 120 // signal was not changed by error reporter
duke@435 121 static address get_resetted_sighandler(int sig);
bobv@2036 122
bobv@2036 123 // check to see if fatal error reporting is in progress
bobv@2036 124 static bool fatal_error_in_progress() { return first_error != NULL; }
duke@435 125 };
stefank@2314 126
stefank@2314 127 #endif // SHARE_VM_UTILITIES_VMERROR_HPP

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