44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
/* DWARF2 frame unwind data structure for Xtensa.
|
|
Copyright (C) 1997-2018 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;
|
|
|