Mercurial > hg > truffle
annotate src/share/vm/utilities/vmError.hpp @ 2426:1d1603768966
7010070: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - second pass
Summary: Update the copyright to be 2010 on all changed files in OpenJDK
Reviewed-by: ohair
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| date | Tue, 05 Apr 2011 14:12:31 -0700 |
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| 0 | 1 /* |
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2 * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_UTILITIES_VMERROR_HPP |
| 26 #define SHARE_VM_UTILITIES_VMERROR_HPP | |
| 27 | |
| 28 #include "utilities/globalDefinitions.hpp" | |
| 29 | |
| 0 | 30 |
| 31 class VM_ReportJavaOutOfMemory; | |
| 32 | |
| 33 class VMError : public StackObj { | |
| 34 friend class VM_ReportJavaOutOfMemory; | |
| 35 | |
| 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 | |
| 43 | |
| 44 const char * _message; | |
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45 const char * _detail_msg; |
| 0 | 46 |
| 47 Thread * _thread; // NULL if it's native thread | |
| 48 | |
| 49 | |
| 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 | |
| 56 | |
| 57 // additional info for VM internal errors | |
| 58 const char * _filename; | |
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59 int _lineno; |
| 0 | 60 |
| 61 // used by fatal error handler | |
| 62 int _current_step; | |
| 63 const char * _current_step_info; | |
| 64 int _verbose; | |
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65 // First error, and its thread id. We must be able to handle native thread, |
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66 // so use thread id instead of Thread* to identify thread. |
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67 static VMError* volatile first_error; |
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68 static volatile jlong first_error_tid; |
| 0 | 69 |
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70 // Core dump status, false if we have been unable to write a core/minidump for some reason |
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71 static bool coredump_status; |
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72 |
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73 // When coredump_status is set to true this will contain the name/path to the core/minidump, |
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74 // if coredump_status if false, this will (hopefully) contain a useful error explaining why |
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75 // no core/minidump has been written to disk |
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76 static char coredump_message[O_BUFLEN]; |
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77 |
| 0 | 78 // used by reporting about OOM |
| 79 size_t _size; | |
| 80 | |
| 81 // set signal handlers on Solaris/Linux or the default exception filter | |
| 82 // on Windows, to handle recursive crashes. | |
| 83 void reset_signal_handlers(); | |
| 84 | |
| 85 // handle -XX:+ShowMessageBoxOnError. buf is used to format the message string | |
| 86 void show_message_box(char* buf, int buflen); | |
| 87 | |
| 88 // generate an error report | |
| 89 void report(outputStream* st); | |
| 90 | |
| 1384 | 91 // generate a stack trace |
| 92 static void print_stack_trace(outputStream* st, JavaThread* jt, | |
| 93 char* buf, int buflen, bool verbose = false); | |
| 94 | |
| 0 | 95 // accessor |
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96 const char* message() const { return _message; } |
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97 const char* detail_msg() const { return _detail_msg; } |
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98 bool should_report_bug(unsigned int id) { return id != oom_error; } |
| 0 | 99 |
| 100 public: | |
| 101 // Constructor for crashes | |
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102 VMError(Thread* thread, unsigned int sig, address pc, void* siginfo, |
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103 void* context); |
| 0 | 104 // Constructor for VM internal errors |
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105 VMError(Thread* thread, const char* filename, int lineno, |
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106 const char* message, const char * detail_msg); |
| 0 | 107 |
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108 // Constructor for VM OOM errors |
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109 VMError(Thread* thread, const char* filename, int lineno, size_t size, |
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110 const char* message); |
| 0 | 111 // Constructor for non-fatal errors |
| 112 VMError(const char* message); | |
| 113 | |
| 114 // return a string to describe the error | |
| 115 char *error_string(char* buf, int buflen); | |
| 116 | |
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117 // Report status of core/minidump |
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118 static void report_coredump_status(const char* message, bool status); |
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119 |
| 0 | 120 // main error reporting function |
| 121 void report_and_die(); | |
| 122 | |
| 123 // reporting OutOfMemoryError | |
| 124 void report_java_out_of_memory(); | |
| 125 | |
| 126 // returns original flags for signal, if it was resetted, or -1 if | |
| 127 // signal was not changed by error reporter | |
| 128 static int get_resetted_sigflags(int sig); | |
| 129 | |
| 130 // returns original handler for signal, if it was resetted, or NULL if | |
| 131 // signal was not changed by error reporter | |
| 132 static address get_resetted_sighandler(int sig); | |
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133 |
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134 // check to see if fatal error reporting is in progress |
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135 static bool fatal_error_in_progress() { return first_error != NULL; } |
| 0 | 136 }; |
| 1972 | 137 |
| 138 #endif // SHARE_VM_UTILITIES_VMERROR_HPP |