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[external/binutils.git] / gdb / exceptions.h

diff --git a/gdb/exceptions.h b/gdb/exceptions.h
index 10b2ac5..d2102c3 100644 (file)
--- a/gdb/exceptions.h
+++ b/gdb/exceptions.h
@@ -1,14 +1,14 @@
 /* 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, 2008,
+   2009 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,
@@ -17,15 +17,12 @@
    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
 
-struct ui_out;
-
+#include "ui-out.h"
 #include <setjmp.h>
 
 /* Reasons for calling throw_exceptions().  NOTE: all reason values
@@ -51,7 +48,7 @@ typedef int return_mask;
 /* Describe all exceptions.  */
 
 enum errors {
-  NO_ERROR,
+  GDB_NO_ERROR,
   /* Any generic error, the corresponding text is in
      exception.message.  */
   GENERIC_ERROR,
@@ -72,6 +69,12 @@ enum errors {
      more detail.  */
   TLS_GENERIC_ERROR,
 
+  /* Problem parsing an XML document.  */
+  XML_PARSE_ERROR,
+
+  /* Error accessing memory.  */
+  MEMORY_ERROR,
+
   /* Add more errors here.  */
   NR_ERRORS
 };
@@ -161,9 +164,10 @@ extern void exception_fprintf (struct ui_file *file, struct gdb_exception e,
    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_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);
 
@@ -176,7 +180,7 @@ extern NORETURN void deprecated_throw_reason (enum return_reason reason) ATTR_NO
    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.
 
@@ -190,10 +194,19 @@ extern NORETURN void deprecated_throw_reason (enum return_reason reason) ATTR_NO
    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().  */
 
@@ -224,7 +237,7 @@ extern struct gdb_exception catch_exception (struct ui_out *uiout,
    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);