/* 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, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
+ 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
+ Free Software Foundation, Inc.
This file is part of GDB.
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. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#ifndef EXCEPTIONS_H
#define EXCEPTIONS_H
-struct ui_out;
-
+#include "ui-out.h"
#include <setjmp.h>
/* Reasons for calling throw_exceptions(). NOTE: all reason values
/* Describe all exceptions. */
enum errors {
- NO_ERROR,
+ GDB_NO_ERROR,
/* Any generic error, the corresponding text is in
exception.message. */
GENERIC_ERROR,
NOT_FOUND_ERROR,
+
+ /* Thread library lacks support necessary for finding thread local
+ storage. */
+ TLS_NO_LIBRARY_SUPPORT_ERROR,
+
+ /* Load module not found while attempting to find thread local storage. */
+ TLS_LOAD_MODULE_NOT_FOUND_ERROR,
+
+ /* Thread local storage has not been allocated yet. */
+ TLS_NOT_ALLOCATED_YET_ERROR,
+
+ /* Something else went wrong while attempting to find thread local
+ storage. The ``struct gdb_exception'' message field provides
+ more detail. */
+ TLS_GENERIC_ERROR,
+
+ /* Problem parsing an XML document. */
+ XML_PARSE_ERROR,
+
/* Add more errors here. */
NR_ERRORS
};
-struct exception
+struct gdb_exception
{
enum return_reason reason;
enum errors error;
};
/* A pre-defined non-exception. */
-extern const struct exception exception_none;
+extern const struct gdb_exception exception_none;
/* Wrap set/long jmp so that it's more portable (internal to
exceptions). */
/* 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 exception *
+ volatile struct gdb_exception *
exception,
return_mask mask);
int exceptions_state_mc_action_iter (void);
*INDENT-OFF*
- volatile struct exception e;
+ volatile struct gdb_exception e;
TRY_CATCH (e, RETURN_MASK_ERROR)
{
}
*/
#define TRY_CATCH(EXCEPTION,MASK) \
- for (EXCEPTIONS_SIGSETJMP \
- (*exceptions_state_mc_init (uiout, &(EXCEPTION), (MASK))); \
- exceptions_state_mc_action_iter (); ) \
- while (exceptions_state_mc_action_iter_1 ())
+ { \
+ EXCEPTIONS_SIGJMP_BUF *buf = \
+ exceptions_state_mc_init (uiout, &(EXCEPTION), (MASK)); \
+ EXCEPTIONS_SIGSETJMP (*buf); \
+ } \
+ while (exceptions_state_mc_action_iter ()) \
+ while (exceptions_state_mc_action_iter_1 ())
/* *INDENT-ON* */
/* If E is an exception, print it's error message on the specified
stream. for _fprintf, prefix the message with PREFIX... */
-extern void exception_print (struct ui_file *file, struct exception e);
-extern void exception_fprintf (struct ui_file *file, struct exception e,
+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);
-/* Throw an exception (as described by "struct exception"). Will
+/* Throw an exception (as described by "struct gdb_exception"). Will
execute a LONG JUMP to the inner most containing exception handler
established using catch_exceptions() (or similar).
be a good thing or a dangerous thing.'' -- the Existential
Wombat. */
-extern NORETURN void throw_exception (struct 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_exception (struct gdb_exception exception) ATTR_NORETURN;
+extern NORETURN void throw_verror (enum errors, const char *fmt, va_list ap)
+ ATTR_NORETURN ATTR_FORMAT (printf, 2, 0);
+extern NORETURN void throw_vfatal (const char *fmt, va_list ap)
+ ATTR_NORETURN ATTR_FORMAT (printf, 1, 0);
extern NORETURN void throw_error (enum errors error, const char *fmt,
...) ATTR_NORETURN ATTR_FORMAT (printf, 2, 3);
/* This function, in addition, suppresses the printing of the captured
error message. It's up to the client to print it. */
-extern struct exception catch_exception (struct ui_out *uiout,
- catch_exception_ftype *func,
- void *func_args,
- return_mask mask);
+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