Mercurial > hg > truffle
annotate src/share/vm/utilities/vmError.hpp @ 2645:b2c1e959be46
Clean up around BlockBegin / StdEntry.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 11 May 2011 14:34:29 +0200 |
parents | 63d374c54045 |
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rev | line source |
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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 |