Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/utilities/vmError.hpp@2d8a650513c2 (annotated)
src/share/vm/utilities/vmError.hpp
Fri, 29 Apr 2016 00:06:10 +0800
- author
- aoqi
- date
- Fri, 29 Apr 2016 00:06:10 +0800
- changeset 1
- 2d8a650513c2
- parent 0
- f90c822e73f8
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
Added MIPS 64-bit port.
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | * |
| aoqi@0 | 23 | */ |
| aoqi@0 | 24 | |
| aoqi@0 | 25 | #ifndef SHARE_VM_UTILITIES_VMERROR_HPP |
| aoqi@0 | 26 | #define SHARE_VM_UTILITIES_VMERROR_HPP |
| aoqi@0 | 27 | |
| aoqi@0 | 28 | #include "utilities/globalDefinitions.hpp" |
| aoqi@0 | 29 | |
| aoqi@0 | 30 | class Decoder; |
| aoqi@0 | 31 | class VM_ReportJavaOutOfMemory; |
| aoqi@0 | 32 | |
| aoqi@0 | 33 | class VMError : public StackObj { |
| aoqi@0 | 34 | friend class VM_ReportJavaOutOfMemory; |
| aoqi@0 | 35 | friend class Decoder; |
| aoqi@0 | 36 | |
| aoqi@0 | 37 | int _id; // Solaris/Linux signals: 0 - SIGRTMAX |
| aoqi@0 | 38 | // Windows exceptions: 0xCxxxxxxx system errors |
| aoqi@0 | 39 | // 0x8xxxxxxx system warnings |
| aoqi@0 | 40 | |
| aoqi@0 | 41 | const char * _message; |
| aoqi@0 | 42 | const char * _detail_msg; |
| aoqi@0 | 43 | |
| aoqi@0 | 44 | Thread * _thread; // NULL if it's native thread |
| aoqi@0 | 45 | |
| aoqi@0 | 46 | |
| aoqi@0 | 47 | // additional info for crashes |
| aoqi@0 | 48 | address _pc; // faulting PC |
| aoqi@0 | 49 | void * _siginfo; // ExceptionRecord on Windows, |
| aoqi@0 | 50 | // siginfo_t on Solaris/Linux |
| aoqi@0 | 51 | void * _context; // ContextRecord on Windows, |
| aoqi@0 | 52 | // ucontext_t on Solaris/Linux |
| aoqi@0 | 53 | |
| aoqi@0 | 54 | // additional info for VM internal errors |
| aoqi@0 | 55 | const char * _filename; |
| aoqi@0 | 56 | int _lineno; |
| aoqi@0 | 57 | |
| aoqi@0 | 58 | // used by fatal error handler |
| aoqi@0 | 59 | int _current_step; |
| aoqi@0 | 60 | const char * _current_step_info; |
| aoqi@0 | 61 | int _verbose; |
| aoqi@0 | 62 | // First error, and its thread id. We must be able to handle native thread, |
| aoqi@0 | 63 | // so use thread id instead of Thread* to identify thread. |
| aoqi@0 | 64 | static VMError* volatile first_error; |
| aoqi@0 | 65 | static volatile jlong first_error_tid; |
| aoqi@0 | 66 | |
| aoqi@0 | 67 | // Core dump status, false if we have been unable to write a core/minidump for some reason |
| aoqi@0 | 68 | static bool coredump_status; |
| aoqi@0 | 69 | |
| aoqi@0 | 70 | // When coredump_status is set to true this will contain the name/path to the core/minidump, |
| aoqi@0 | 71 | // if coredump_status if false, this will (hopefully) contain a useful error explaining why |
| aoqi@0 | 72 | // no core/minidump has been written to disk |
| aoqi@0 | 73 | static char coredump_message[O_BUFLEN]; |
| aoqi@0 | 74 | |
| aoqi@0 | 75 | // used by reporting about OOM |
| aoqi@0 | 76 | size_t _size; |
| aoqi@0 | 77 | |
| aoqi@0 | 78 | // set signal handlers on Solaris/Linux or the default exception filter |
| aoqi@0 | 79 | // on Windows, to handle recursive crashes. |
| aoqi@0 | 80 | void reset_signal_handlers(); |
| aoqi@0 | 81 | |
| aoqi@0 | 82 | // handle -XX:+ShowMessageBoxOnError. buf is used to format the message string |
| aoqi@0 | 83 | void show_message_box(char* buf, int buflen); |
| aoqi@0 | 84 | |
| aoqi@0 | 85 | // generate an error report |
| aoqi@0 | 86 | void report(outputStream* st); |
| aoqi@0 | 87 | |
| aoqi@0 | 88 | // generate a stack trace |
| aoqi@0 | 89 | static void print_stack_trace(outputStream* st, JavaThread* jt, |
| aoqi@0 | 90 | char* buf, int buflen, bool verbose = false); |
| aoqi@0 | 91 | |
| aoqi@0 | 92 | // accessor |
| aoqi@0 | 93 | const char* message() const { return _message; } |
| aoqi@0 | 94 | const char* detail_msg() const { return _detail_msg; } |
| aoqi@0 | 95 | bool should_report_bug(unsigned int id) { |
| aoqi@0 | 96 | return (id != OOM_MALLOC_ERROR) && (id != OOM_MMAP_ERROR); |
| aoqi@0 | 97 | } |
| aoqi@0 | 98 | |
| aoqi@0 | 99 | static fdStream out; |
| aoqi@0 | 100 | static fdStream log; // error log used by VMError::report_and_die() |
| aoqi@0 | 101 | |
| aoqi@0 | 102 | public: |
| aoqi@0 | 103 | |
| aoqi@0 | 104 | // Constructor for crashes |
| aoqi@0 | 105 | VMError(Thread* thread, unsigned int sig, address pc, void* siginfo, |
| aoqi@0 | 106 | void* context); |
| aoqi@0 | 107 | // Constructor for VM internal errors |
| aoqi@0 | 108 | VMError(Thread* thread, const char* filename, int lineno, |
| aoqi@0 | 109 | const char* message, const char * detail_msg); |
| aoqi@0 | 110 | |
| aoqi@0 | 111 | // Constructor for VM OOM errors |
| aoqi@0 | 112 | VMError(Thread* thread, const char* filename, int lineno, size_t size, |
| aoqi@0 | 113 | VMErrorType vm_err_type, const char* message); |
| aoqi@0 | 114 | // Constructor for non-fatal errors |
| aoqi@0 | 115 | VMError(const char* message); |
| aoqi@0 | 116 | |
| aoqi@0 | 117 | // return a string to describe the error |
| aoqi@0 | 118 | char *error_string(char* buf, int buflen); |
| aoqi@0 | 119 | |
| aoqi@0 | 120 | // Report status of core/minidump |
| aoqi@0 | 121 | static void report_coredump_status(const char* message, bool status); |
| aoqi@0 | 122 | |
| aoqi@0 | 123 | // main error reporting function |
| aoqi@0 | 124 | void report_and_die(); |
| aoqi@0 | 125 | |
| aoqi@0 | 126 | // reporting OutOfMemoryError |
| aoqi@0 | 127 | void report_java_out_of_memory(); |
| aoqi@0 | 128 | |
| aoqi@0 | 129 | // returns original flags for signal, if it was resetted, or -1 if |
| aoqi@0 | 130 | // signal was not changed by error reporter |
| aoqi@0 | 131 | static int get_resetted_sigflags(int sig); |
| aoqi@0 | 132 | |
| aoqi@0 | 133 | // returns original handler for signal, if it was resetted, or NULL if |
| aoqi@0 | 134 | // signal was not changed by error reporter |
| aoqi@0 | 135 | static address get_resetted_sighandler(int sig); |
| aoqi@0 | 136 | |
| aoqi@0 | 137 | // check to see if fatal error reporting is in progress |
| aoqi@0 | 138 | static bool fatal_error_in_progress() { return first_error != NULL; } |
| aoqi@0 | 139 | |
| aoqi@0 | 140 | static jlong get_first_error_tid() { |
| aoqi@0 | 141 | return first_error_tid; |
| aoqi@0 | 142 | } |
| aoqi@0 | 143 | }; |
| aoqi@0 | 144 | |
| aoqi@0 | 145 | #endif // SHARE_VM_UTILITIES_VMERROR_HPP |
