/* Exception handling and frame unwind runtime interface routines. -*- C -*-
Copyright (C) 2001 Free Software Foundation, Inc.
- This file is part of GNU CC.
+ This file is part of GCC.
- GNU CC is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
+ GCC 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, or (at your option)
any later version.
- GNU CC 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 License for more details.
+ 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
+ License for more details.
You should have received a copy of the GNU General Public License
- along with GNU CC; see the file COPYING. If not, write to
- the Free Software Foundation, 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ 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. */
/* This is derived from the C++ ABI for IA-64. Where we diverge
for cross-architecture compatibility are noted with "@@@".
? _UA_HANDLER_FRAME : 0);
if (code != _URC_NO_REASON)
- /* Some error encountered. Ususally the unwinder doesn't
+ /* Some error encountered. Usually the unwinder doesn't
diagnose these and merely crashes. */
return _URC_FATAL_PHASE2_ERROR;
return code;
}
-
/* Raise an exception, passing along the given exception object. */
_Unwind_Reason_Code
struct _Unwind_Context this_context, cur_context;
_Unwind_Reason_Code code;
+ /* Set up this_context to describe the current stack frame. */
uw_init_context (&this_context);
cur_context = this_context;
{
_Unwind_FrameState fs;
+ /* Set up fs to describe the FDE for the caller of cur_context. The
+ first time through the loop, that means __cxa_throw. */
code = uw_frame_state_for (&cur_context, &fs);
if (code == _URC_END_OF_STACK)
return _URC_FATAL_PHASE1_ERROR;
}
+ /* Update cur_context to describe the same frame as fs. */
uw_update_context (&cur_context, &fs);
}
while (1)
{
_Unwind_FrameState fs;
+ int action;
+ /* Set up fs to describe the FDE for the caller of cur_context. */
code = uw_frame_state_for (context, &fs);
if (code != _URC_NO_REASON && code != _URC_END_OF_STACK)
return _URC_FATAL_PHASE2_ERROR;
/* Unwind successful. */
- stop_code = (*stop) (1, _UA_FORCE_UNWIND | _UA_CLEANUP_PHASE,
- exc->exception_class, exc, context, stop_argument);
+ action = _UA_FORCE_UNWIND | _UA_CLEANUP_PHASE;
+ if (code == _URC_END_OF_STACK)
+ action |= _UA_END_OF_STACK;
+ stop_code = (*stop) (1, action, exc->exception_class, exc,
+ context, stop_argument);
if (stop_code != _URC_NO_REASON)
return _URC_FATAL_PHASE2_ERROR;
return _URC_FATAL_PHASE2_ERROR;
}
+ /* Update cur_context to describe the same frame as fs. */
uw_update_context (context, &fs);
}