/* 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
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA. */
/* This is derived from the C++ ABI for IA-64. Where we diverge
for cross-architecture compatibility are noted with "@@@".
}
/* Don't let us unwind past the handler context. */
- if (match_handler)
- abort ();
+ gcc_assert (!match_handler);
uw_update_context (context, &fs);
}
/* Subroutine of _Unwind_ForcedUnwind also invoked from _Unwind_Resume. */
static _Unwind_Reason_Code
-_Unwind_ForcedUnwind_Phase2(struct _Unwind_Exception *exc,
- struct _Unwind_Context *context)
+_Unwind_ForcedUnwind_Phase2 (struct _Unwind_Exception *exc,
+ struct _Unwind_Context *context)
{
_Unwind_Stop_Fn stop = (_Unwind_Stop_Fn) (_Unwind_Ptr) exc->private_1;
void *stop_argument = (void *) (_Unwind_Ptr) exc->private_2;
return _URC_FATAL_PHASE2_ERROR;
}
- /* Update cur_context to describe the same frame as fs. */
- uw_update_context (context, &fs);
+ /* Update cur_context to describe the same frame as fs, and discard
+ the previous context if necessary. */
+ uw_advance_context (context, &fs);
}
return code;
else
code = _Unwind_ForcedUnwind_Phase2 (exc, &cur_context);
- if (code != _URC_INSTALL_CONTEXT)
- abort ();
+ gcc_assert (code == _URC_INSTALL_CONTEXT);
uw_install_context (&this_context, &cur_context);
}
code = _Unwind_ForcedUnwind_Phase2 (exc, &cur_context);
- if (code != _URC_INSTALL_CONTEXT)
- abort ();
+ gcc_assert (code == _URC_INSTALL_CONTEXT);
uw_install_context (&this_context, &cur_context);
}