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- /* DWARF2 frame unwind data structure for Xtensa.
- Copyright (C) 1997-2022 Free Software Foundation, Inc.
- This file is part of GCC.
- 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 3, or (at your option)
- any later version.
- 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.
- Under Section 7 of GPL version 3, you are granted additional
- permissions described in the GCC Runtime Library Exception, version
- 3.1, as published by the Free Software Foundation.
- You should have received a copy of the GNU General Public License and
- a copy of the GCC Runtime Library Exception along with this program;
- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
- <http://www.gnu.org/licenses/>. */
- /* Xtensa's variable-size register window save areas can be unwound without
- any unwind info. This is a stripped down version of the standard DWARF
- _Unwind_FrameState. */
- typedef struct
- {
- /* The information we care about from the CIE/FDE. */
- _Unwind_Personality_Fn personality;
- _Unwind_Word retaddr_column;
- unsigned char fde_encoding;
- unsigned char lsda_encoding;
- unsigned char saw_z;
- unsigned char signal_frame;
- void *eh_ptr;
- /* Saved registers for a signal frame. */
- _Unwind_Word *signal_regs;
- _Unwind_Word signal_ra;
- } _Unwind_FrameState;
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