28 #include "utilities/globalDefinitions.hpp" |
28 #include "utilities/globalDefinitions.hpp" |
29 |
29 |
30 class Decoder; |
30 class Decoder; |
31 class VM_ReportJavaOutOfMemory; |
31 class VM_ReportJavaOutOfMemory; |
32 |
32 |
33 class VMError : public StackObj { |
33 class VMError : public AllStatic { |
34 friend class VM_ReportJavaOutOfMemory; |
34 friend class VM_ReportJavaOutOfMemory; |
35 friend class Decoder; |
35 friend class Decoder; |
36 |
36 |
37 int _id; // Solaris/Linux signals: 0 - SIGRTMAX |
37 static int _id; // Solaris/Linux signals: 0 - SIGRTMAX |
38 // Windows exceptions: 0xCxxxxxxx system errors |
38 // Windows exceptions: 0xCxxxxxxx system errors |
39 // 0x8xxxxxxx system warnings |
39 // 0x8xxxxxxx system warnings |
40 |
40 |
41 const char * _message; |
41 static const char* _message; |
42 const char * _detail_msg; |
42 static char _detail_msg[1024]; |
43 |
43 |
44 Thread * _thread; // NULL if it's native thread |
44 static Thread* _thread; // NULL if it's native thread |
45 |
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46 |
45 |
47 // additional info for crashes |
46 // additional info for crashes |
48 address _pc; // faulting PC |
47 static address _pc; // faulting PC |
49 void * _siginfo; // ExceptionRecord on Windows, |
48 static void* _siginfo; // ExceptionRecord on Windows, |
50 // siginfo_t on Solaris/Linux |
49 // siginfo_t on Solaris/Linux |
51 void * _context; // ContextRecord on Windows, |
50 static void* _context; // ContextRecord on Windows, |
52 // ucontext_t on Solaris/Linux |
51 // ucontext_t on Solaris/Linux |
53 |
52 |
54 // additional info for VM internal errors |
53 // additional info for VM internal errors |
55 const char * _filename; |
54 static const char* _filename; |
56 int _lineno; |
55 static int _lineno; |
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56 |
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57 // used by reporting about OOM |
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58 static size_t _size; |
57 |
59 |
58 // used by fatal error handler |
60 // used by fatal error handler |
59 int _current_step; |
61 static int _current_step; |
60 const char * _current_step_info; |
62 static const char* _current_step_info; |
61 int _verbose; |
63 |
62 // First error, and its thread id. We must be able to handle native thread, |
64 // Thread id of the first error. We must be able to handle native thread, |
63 // so use thread id instead of Thread* to identify thread. |
65 // so use thread id instead of Thread* to identify thread. |
64 static VMError* volatile first_error; |
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65 static volatile jlong first_error_tid; |
66 static volatile jlong first_error_tid; |
66 |
67 |
67 // Core dump status, false if we have been unable to write a core/minidump for some reason |
68 // Core dump status, false if we have been unable to write a core/minidump for some reason |
68 static bool coredump_status; |
69 static bool coredump_status; |
69 |
70 |
70 // When coredump_status is set to true this will contain the name/path to the core/minidump, |
71 // When coredump_status is set to true this will contain the name/path to the core/minidump, |
71 // if coredump_status if false, this will (hopefully) contain a useful error explaining why |
72 // if coredump_status if false, this will (hopefully) contain a useful error explaining why |
72 // no core/minidump has been written to disk |
73 // no core/minidump has been written to disk |
73 static char coredump_message[O_BUFLEN]; |
74 static char coredump_message[O_BUFLEN]; |
74 |
75 |
75 // used by reporting about OOM |
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76 size_t _size; |
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77 |
76 |
78 // set signal handlers on Solaris/Linux or the default exception filter |
77 // set signal handlers on Solaris/Linux or the default exception filter |
79 // on Windows, to handle recursive crashes. |
78 // on Windows, to handle recursive crashes. |
80 void reset_signal_handlers(); |
79 static void reset_signal_handlers(); |
81 |
80 |
82 // handle -XX:+ShowMessageBoxOnError. buf is used to format the message string |
81 // handle -XX:+ShowMessageBoxOnError. buf is used to format the message string |
83 void show_message_box(char* buf, int buflen); |
82 static void show_message_box(char* buf, int buflen); |
84 |
83 |
85 // generate an error report |
84 // generate an error report |
86 void report(outputStream* st); |
85 static void report(outputStream* st, bool verbose); |
87 |
86 |
88 // generate a stack trace |
87 // generate a stack trace |
89 static void print_stack_trace(outputStream* st, JavaThread* jt, |
88 static void print_stack_trace(outputStream* st, JavaThread* jt, |
90 char* buf, int buflen, bool verbose = false); |
89 char* buf, int buflen, bool verbose = false); |
91 |
90 |
92 static const char* gc_mode(); |
91 static const char* gc_mode(); |
93 static void print_oom_reasons(outputStream* st); |
92 static void print_oom_reasons(outputStream* st); |
94 |
93 |
95 // accessor |
94 static bool should_report_bug(unsigned int id) { |
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) { |
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99 return (id != OOM_MALLOC_ERROR) && (id != OOM_MMAP_ERROR); |
95 return (id != OOM_MALLOC_ERROR) && (id != OOM_MMAP_ERROR); |
100 } |
96 } |
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97 |
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98 static void report_and_die(Thread* thread, unsigned int sig, address pc, void* siginfo, |
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99 void* context, const char* detail_fmt, ...) ATTRIBUTE_PRINTF(6, 7); |
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100 static void report_and_die(const char* message, const char* detail_fmt, ...) ATTRIBUTE_PRINTF(2, 3); |
101 |
101 |
102 static fdStream out; |
102 static fdStream out; |
103 static fdStream log; // error log used by VMError::report_and_die() |
103 static fdStream log; // error log used by VMError::report_and_die() |
104 |
104 |
105 public: |
105 public: |
106 |
106 |
107 // Constructor for crashes |
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108 VMError(Thread* thread, unsigned int sig, address pc, void* siginfo, |
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109 void* context); |
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110 // Constructor for VM internal errors |
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111 VMError(Thread* thread, const char* filename, int lineno, |
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112 const char* message, const char * detail_msg); |
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113 |
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114 // Constructor for VM OOM errors |
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115 VMError(Thread* thread, const char* filename, int lineno, size_t size, |
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116 VMErrorType vm_err_type, const char* message); |
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117 // Constructor for non-fatal errors |
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118 VMError(const char* message); |
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119 |
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120 // return a string to describe the error |
107 // return a string to describe the error |
121 char *error_string(char* buf, int buflen); |
108 static char* error_string(char* buf, int buflen); |
122 |
109 |
123 // Record status of core/minidump |
110 // Record status of core/minidump |
124 static void record_coredump_status(const char* message, bool status); |
111 static void record_coredump_status(const char* message, bool status); |
125 |
112 |
126 // main error reporting function |
113 // main error reporting function |
127 void report_and_die(); |
114 static void report_and_die(int id, const char* message, const char* detail_fmt, va_list detail_args, |
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115 Thread* thread, address pc, void* siginfo, void* context, |
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116 const char* filename, int lineno, size_t size) ATTRIBUTE_PRINTF(3, 0); |
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117 |
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118 static void report_and_die(Thread* thread, unsigned int sig, address pc, |
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119 void* siginfo, void* context); |
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120 |
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121 static void report_and_die(Thread* thread,const char* filename, int lineno, const char* message, |
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122 const char* detail_fmt, va_list detail_args) ATTRIBUTE_PRINTF(5, 0); |
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123 |
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124 static void report_and_die(Thread* thread, const char* filename, int lineno, size_t size, |
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125 VMErrorType vm_err_type, const char* detail_fmt, |
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126 va_list detail_args) ATTRIBUTE_PRINTF(6, 0); |
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127 |
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128 static void report_and_die(const char* message); |
128 |
129 |
129 // reporting OutOfMemoryError |
130 // reporting OutOfMemoryError |
130 void report_java_out_of_memory(); |
131 static void report_java_out_of_memory(const char* message); |
131 |
132 |
132 // returns original flags for signal, if it was resetted, or -1 if |
133 // returns original flags for signal, if it was resetted, or -1 if |
133 // signal was not changed by error reporter |
134 // signal was not changed by error reporter |
134 static int get_resetted_sigflags(int sig); |
135 static int get_resetted_sigflags(int sig); |
135 |
136 |
136 // returns original handler for signal, if it was resetted, or NULL if |
137 // returns original handler for signal, if it was resetted, or NULL if |
137 // signal was not changed by error reporter |
138 // signal was not changed by error reporter |
138 static address get_resetted_sighandler(int sig); |
139 static address get_resetted_sighandler(int sig); |
139 |
140 |
140 // check to see if fatal error reporting is in progress |
141 // check to see if fatal error reporting is in progress |
141 static bool fatal_error_in_progress() { return first_error != NULL; } |
142 static bool fatal_error_in_progress() { return first_error_tid != -1; } |
142 |
143 |
143 static jlong get_first_error_tid() { |
144 static jlong get_first_error_tid() { |
144 return first_error_tid; |
145 return first_error_tid; |
145 } |
146 } |
146 }; |
147 }; |