Mercurial > hg > graal-compiler
annotate src/share/vm/utilities/vmError.hpp @ 17936:968a17f18337
8042786: Proper fix for 8032566
Summary: Check for overflow cases in range checks and collapse it if we can.
Reviewed-by: jrose, iveresov
author | kvn |
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date | Fri, 16 May 2014 12:05:14 -0700 |
parents | 38f750491293 |
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rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2003, 2013, 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 | |
4917 | 30 class Decoder; |
0 | 31 class VM_ReportJavaOutOfMemory; |
32 | |
33 class VMError : public StackObj { | |
34 friend class VM_ReportJavaOutOfMemory; | |
4917 | 35 friend class Decoder; |
0 | 36 |
37 int _id; // Solaris/Linux signals: 0 - SIGRTMAX | |
38 // Windows exceptions: 0xCxxxxxxx system errors | |
39 // 0x8xxxxxxx system warnings | |
40 | |
41 const char * _message; | |
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42 const char * _detail_msg; |
0 | 43 |
44 Thread * _thread; // NULL if it's native thread | |
45 | |
46 | |
47 // additional info for crashes | |
48 address _pc; // faulting PC | |
49 void * _siginfo; // ExceptionRecord on Windows, | |
50 // siginfo_t on Solaris/Linux | |
51 void * _context; // ContextRecord on Windows, | |
52 // ucontext_t on Solaris/Linux | |
53 | |
54 // additional info for VM internal errors | |
55 const char * _filename; | |
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56 int _lineno; |
0 | 57 |
58 // used by fatal error handler | |
59 int _current_step; | |
60 const char * _current_step_info; | |
61 int _verbose; | |
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62 // First error, and its thread id. We must be able to handle native thread, |
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63 // so use thread id instead of Thread* to identify thread. |
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64 static VMError* volatile first_error; |
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65 static volatile jlong first_error_tid; |
0 | 66 |
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67 // Core dump status, false if we have been unable to write a core/minidump for some reason |
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68 static bool coredump_status; |
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69 |
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70 // When coredump_status is set to true this will contain the name/path to the core/minidump, |
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71 // if coredump_status if false, this will (hopefully) contain a useful error explaining why |
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72 // no core/minidump has been written to disk |
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73 static char coredump_message[O_BUFLEN]; |
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74 |
0 | 75 // used by reporting about OOM |
76 size_t _size; | |
77 | |
78 // set signal handlers on Solaris/Linux or the default exception filter | |
79 // on Windows, to handle recursive crashes. | |
80 void reset_signal_handlers(); | |
81 | |
82 // handle -XX:+ShowMessageBoxOnError. buf is used to format the message string | |
83 void show_message_box(char* buf, int buflen); | |
84 | |
85 // generate an error report | |
86 void report(outputStream* st); | |
87 | |
1384 | 88 // generate a stack trace |
89 static void print_stack_trace(outputStream* st, JavaThread* jt, | |
90 char* buf, int buflen, bool verbose = false); | |
91 | |
0 | 92 // accessor |
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93 const char* message() const { return _message; } |
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94 const char* detail_msg() const { return _detail_msg; } |
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95 bool should_report_bug(unsigned int id) { |
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96 return (id != OOM_MALLOC_ERROR) && (id != OOM_MMAP_ERROR); |
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97 } |
0 | 98 |
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99 static fdStream out; |
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100 static fdStream log; // error log used by VMError::report_and_die() |
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101 |
0 | 102 public: |
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103 |
0 | 104 // Constructor for crashes |
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105 VMError(Thread* thread, unsigned int sig, address pc, void* siginfo, |
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106 void* context); |
0 | 107 // Constructor for VM internal errors |
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108 VMError(Thread* thread, const char* filename, int lineno, |
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109 const char* message, const char * detail_msg); |
0 | 110 |
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111 // Constructor for VM OOM errors |
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112 VMError(Thread* thread, const char* filename, int lineno, size_t size, |
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113 VMErrorType vm_err_type, const char* message); |
0 | 114 // Constructor for non-fatal errors |
115 VMError(const char* message); | |
116 | |
117 // return a string to describe the error | |
118 char *error_string(char* buf, int buflen); | |
119 | |
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120 // Report status of core/minidump |
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121 static void report_coredump_status(const char* message, bool status); |
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122 |
0 | 123 // main error reporting function |
124 void report_and_die(); | |
125 | |
126 // reporting OutOfMemoryError | |
127 void report_java_out_of_memory(); | |
128 | |
129 // returns original flags for signal, if it was resetted, or -1 if | |
130 // signal was not changed by error reporter | |
131 static int get_resetted_sigflags(int sig); | |
132 | |
133 // returns original handler for signal, if it was resetted, or NULL if | |
134 // signal was not changed by error reporter | |
135 static address get_resetted_sighandler(int sig); | |
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136 |
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137 // check to see if fatal error reporting is in progress |
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138 static bool fatal_error_in_progress() { return first_error != NULL; } |
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139 |
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140 static jlong get_first_error_tid() { |
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141 return first_error_tid; |
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142 } |
0 | 143 }; |
1972 | 144 |
145 #endif // SHARE_VM_UTILITIES_VMERROR_HPP |