/* Exception handling and frame unwind runtime interface routines. -*- C -*-
- Copyright (C) 2001 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2003 Free Software Foundation, Inc.
This file is part of GCC.
the Free Software Foundation; either version 2, or (at your option)
any later version.
+ In addition to the permissions in the GNU General Public License, the
+ Free Software Foundation gives you unlimited permission to link the
+ compiled version of this file into combinations with other programs,
+ and to distribute those combinations without any restriction coming
+ from the use of this file. (The General Public License restrictions
+ do apply in other respects; for example, they cover modification of
+ the file, and distribution when not linked into a combined
+ executable.)
+
GCC is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
uw_install_context (&this_context, &cur_context);
}
+
+/* Resume propagation of an FORCE_UNWIND exception, or to rethrow
+ a normal exception that was handled. */
+
+_Unwind_Reason_Code
+_Unwind_Resume_or_Rethrow (struct _Unwind_Exception *exc)
+{
+ struct _Unwind_Context this_context, cur_context;
+ _Unwind_Reason_Code code;
+
+ /* Choose between continuing to process _Unwind_RaiseException
+ or _Unwind_ForcedUnwind. */
+ if (exc->private_1 == 0)
+ return _Unwind_RaiseException (exc);
+
+ uw_init_context (&this_context);
+ cur_context = this_context;
+
+ code = _Unwind_ForcedUnwind_Phase2 (exc, &cur_context);
+
+ if (code != _URC_INSTALL_CONTEXT)
+ abort ();
+
+ uw_install_context (&this_context, &cur_context);
+}
+
+
/* A convenience function that calls the exception_cleanup field. */
void
_Unwind_DeleteException (struct _Unwind_Exception *exc)
{
- (*exc->exception_cleanup) (_URC_FOREIGN_EXCEPTION_CAUGHT, exc);
+ if (exc->exception_cleanup)
+ (*exc->exception_cleanup) (_URC_FOREIGN_EXCEPTION_CAUGHT, exc);
}
return code;
}
-