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src/share/vm/utilities/vmError.hpp@f4f596978298 (annotated)

src/share/vm/utilities/vmError.hpp

Mon, 09 Aug 2010 17:51:56 -0700

author

never

date

Mon, 09 Aug 2010 17:51:56 -0700

changeset 2044

f4f596978298

parent 2036

126ea7725993

child 2314

f95d63e2154a

permissions

-rw-r--r--

Merge

duke@435	1	/*
trims@1907	2	* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25
duke@435	26	class VM_ReportJavaOutOfMemory;
duke@435	27
duke@435	28	class VMError : public StackObj {
duke@435	29	friend class VM_ReportJavaOutOfMemory;
duke@435	30
duke@435	31	enum ErrorType {
duke@435	32	internal_error = 0xe0000000,
duke@435	33	oom_error = 0xe0000001
duke@435	34	};
duke@435	35	int _id; // Solaris/Linux signals: 0 - SIGRTMAX
duke@435	36	// Windows exceptions: 0xCxxxxxxx system errors
duke@435	37	// 0x8xxxxxxx system warnings
duke@435	38
duke@435	39	const char * _message;
jcoomes@1845	40	const char * _detail_msg;
duke@435	41
duke@435	42	Thread * _thread; // NULL if it's native thread
duke@435	43
duke@435	44
duke@435	45	// additional info for crashes
duke@435	46	address _pc; // faulting PC
duke@435	47	void * _siginfo; // ExceptionRecord on Windows,
duke@435	48	// siginfo_t on Solaris/Linux
duke@435	49	void * _context; // ContextRecord on Windows,
duke@435	50	// ucontext_t on Solaris/Linux
duke@435	51
duke@435	52	// additional info for VM internal errors
duke@435	53	const char * _filename;
twisti@1038	54	int _lineno;
duke@435	55
duke@435	56	// used by fatal error handler
duke@435	57	int _current_step;
duke@435	58	const char * _current_step_info;
duke@435	59	int _verbose;
bobv@2036	60	// First error, and its thread id. We must be able to handle native thread,
bobv@2036	61	// so use thread id instead of Thread* to identify thread.
bobv@2036	62	static VMError* volatile first_error;
bobv@2036	63	static volatile jlong first_error_tid;
duke@435	64
duke@435	65	// used by reporting about OOM
duke@435	66	size_t _size;
duke@435	67
duke@435	68	// set signal handlers on Solaris/Linux or the default exception filter
duke@435	69	// on Windows, to handle recursive crashes.
duke@435	70	void reset_signal_handlers();
duke@435	71
duke@435	72	// handle -XX:+ShowMessageBoxOnError. buf is used to format the message string
duke@435	73	void show_message_box(char* buf, int buflen);
duke@435	74
duke@435	75	// generate an error report
duke@435	76	void report(outputStream* st);
duke@435	77
twisti@1819	78	// generate a stack trace
twisti@1819	79	static void print_stack_trace(outputStream* st, JavaThread* jt,
twisti@1819	80	char* buf, int buflen, bool verbose = false);
twisti@1819	81
duke@435	82	// accessor
jcoomes@1845	83	const char* message() const { return _message; }
jcoomes@1845	84	const char* detail_msg() const { return _detail_msg; }
duke@435	85
duke@435	86	public:
duke@435	87	// Constructor for crashes
duke@435	88	VMError(Thread* thread, int sig, address pc, void* siginfo, void* context);
duke@435	89	// Constructor for VM internal errors
jcoomes@1845	90	VMError(Thread* thread, const char* filename, int lineno,
jcoomes@1845	91	const char* message, const char * detail_msg);
duke@435	92
jcoomes@1845	93	// Constructor for VM OOM errors
jcoomes@1845	94	VMError(Thread* thread, const char* filename, int lineno, size_t size,
jcoomes@1845	95	const char* message);
duke@435	96	// Constructor for non-fatal errors
duke@435	97	VMError(const char* message);
duke@435	98
duke@435	99	// return a string to describe the error
duke@435	100	char *error_string(char* buf, int buflen);
duke@435	101
duke@435	102	// main error reporting function
duke@435	103	void report_and_die();
duke@435	104
duke@435	105	// reporting OutOfMemoryError
duke@435	106	void report_java_out_of_memory();
duke@435	107
duke@435	108	// returns original flags for signal, if it was resetted, or -1 if
duke@435	109	// signal was not changed by error reporter
duke@435	110	static int get_resetted_sigflags(int sig);
duke@435	111
duke@435	112	// returns original handler for signal, if it was resetted, or NULL if
duke@435	113	// signal was not changed by error reporter
duke@435	114	static address get_resetted_sighandler(int sig);
bobv@2036	115
bobv@2036	116	// check to see if fatal error reporting is in progress
bobv@2036	117	static bool fatal_error_in_progress() { return first_error != NULL; }
duke@435	118	};