/* Exception (throw catch) mechanism, for GDB, the GNU debugger.
- Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free
- Software Foundation, Inc.
+ Copyright (C) 1986-2013 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef EXCEPTIONS_H
#define EXCEPTIONS_H
/* Describe all exceptions. */
enum errors {
- NO_ERROR,
+ GDB_NO_ERROR,
+
/* Any generic error, the corresponding text is in
exception.message. */
GENERIC_ERROR,
+
+ /* Something requested was not found. */
NOT_FOUND_ERROR,
/* Thread library lacks support necessary for finding thread local
more detail. */
TLS_GENERIC_ERROR,
+ /* Problem parsing an XML document. */
+ XML_PARSE_ERROR,
+
+ /* Error accessing memory. */
+ MEMORY_ERROR,
+
+ /* Feature is not supported in this copy of GDB. */
+ UNSUPPORTED_ERROR,
+
+ /* Value not available. E.g., a register was not collected in a
+ traceframe. */
+ NOT_AVAILABLE_ERROR,
+
+ /* DW_OP_GNU_entry_value resolving failed. */
+ NO_ENTRY_VALUE_ERROR,
+
/* Add more errors here. */
NR_ERRORS
};
/* Functions to drive the exceptions state m/c (internal to
exceptions). */
-EXCEPTIONS_SIGJMP_BUF *exceptions_state_mc_init (struct ui_out *func_uiout,
- volatile struct gdb_exception *
- exception,
+EXCEPTIONS_SIGJMP_BUF *exceptions_state_mc_init (volatile struct
+ gdb_exception *exception,
return_mask mask);
int exceptions_state_mc_action_iter (void);
int exceptions_state_mc_action_iter_1 (void);
#define TRY_CATCH(EXCEPTION,MASK) \
{ \
EXCEPTIONS_SIGJMP_BUF *buf = \
- exceptions_state_mc_init (uiout, &(EXCEPTION), (MASK)); \
+ exceptions_state_mc_init (&(EXCEPTION), (MASK)); \
EXCEPTIONS_SIGSETJMP (*buf); \
} \
while (exceptions_state_mc_action_iter ()) \
/* If E is an exception, print it's error message on the specified
- stream. for _fprintf, prefix the message with PREFIX... */
+ stream. For _fprintf, prefix the message with PREFIX... */
extern void exception_print (struct ui_file *file, struct gdb_exception e);
extern void exception_fprintf (struct ui_file *file, struct gdb_exception e,
const char *prefix,
- ...) ATTR_FORMAT (printf, 3, 4);
+ ...) ATTRIBUTE_PRINTF (3, 4);
/* Throw an exception (as described by "struct gdb_exception"). Will
execute a LONG JUMP to the inner most containing exception handler
be a good thing or a dangerous thing.'' -- the Existential
Wombat. */
-extern NORETURN void throw_exception (struct gdb_exception exception) ATTR_NORETURN;
-extern NORETURN void throw_verror (enum errors, const char *fmt,
- va_list ap) ATTR_NORETURN;
-extern NORETURN void throw_vfatal (const char *fmt, va_list ap) ATTR_NORETURN;
-extern NORETURN void throw_error (enum errors error, const char *fmt,
- ...) ATTR_NORETURN ATTR_FORMAT (printf, 2, 3);
+extern void throw_exception (struct gdb_exception exception)
+ ATTRIBUTE_NORETURN;
+extern void throw_verror (enum errors, const char *fmt, va_list ap)
+ ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (2, 0);
+extern void throw_vfatal (const char *fmt, va_list ap)
+ ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
+extern void throw_error (enum errors error, const char *fmt, ...)
+ ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (2, 3);
-/* Instead of deprecated_throw_reason, code should use catch_exception
- and throw_exception. */
-extern NORETURN void deprecated_throw_reason (enum return_reason reason) ATTR_NORETURN;
+/* Instead of deprecated_throw_reason, code should use
+ throw_exception. */
+extern void deprecated_throw_reason (enum return_reason reason)
+ ATTRIBUTE_NORETURN;
/* Call FUNC(UIOUT, FUNC_ARGS) but wrapped within an exception
handler. If an exception (enum return_reason) is thrown using
throw_exception() than all cleanups installed since
catch_exceptions() was entered are invoked, the (-ve) exception
value is then returned by catch_exceptions. If FUNC() returns
- normally (with a postive or zero return value) then that value is
+ normally (with a positive or zero return value) then that value is
returned by catch_exceptions(). It is an internal_error() for
FUNC() to return a negative value.
copy of the gdb error message. This is used when a silent error is
issued and the caller wants to manually issue the error message.
+ MASK specifies what to catch; it is normally set to
+ RETURN_MASK_ALL, if for no other reason than that the code which
+ calls catch_errors might not be set up to deal with a quit which
+ isn't caught. But if the code can deal with it, it generally
+ should be RETURN_MASK_ERROR, unless for some reason it is more
+ useful to abort only the portion of the operation inside the
+ catch_errors. Note that quit should return to the command line
+ fairly quickly, even if some further processing is being done.
+
FIXME; cagney/2001-08-13: The need to override the global UIOUT
builder variable should just go away.
- This function superseeds catch_errors().
+ This function supersedes catch_errors().
This function uses SETJMP() and LONGJUMP(). */
char **gdberrmsg,
return_mask mask);
-/* This function, in addition, suppresses the printing of the captured
- error message. It's up to the client to print it. */
-
-extern struct gdb_exception catch_exception (struct ui_out *uiout,
- catch_exception_ftype *func,
- void *func_args,
- return_mask mask);
-
/* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
- otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
+ otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
- value. It's unfortunate that, catch_errors() does not return an
+ value. It's unfortunate that, catch_errors() does not return an
indication of the exact exception that it caught - quit_flag might
help.
- This function is superseeded by catch_exceptions(). */
+ This function is superseded by catch_exceptions(). */
typedef int (catch_errors_ftype) (void *);
extern int catch_errors (catch_errors_ftype *, void *, char *, return_mask);
/* Template to catch_errors() that wraps calls to command
- functions. */
+ functions. */
typedef void (catch_command_errors_ftype) (char *, int);
-extern int catch_command_errors (catch_command_errors_ftype *func, char *command, int from_tty, return_mask);
+extern int catch_command_errors (catch_command_errors_ftype *func,
+ char *command, int from_tty, return_mask);
#endif
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