sysdeps/m68k/unwind-arch.h

   1 /* Dynamic loading of the libgcc unwinder.  m68k customization.
   2    Copyright (C) 2021-2022 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _ARCH_UNWIND_LINK_H
  20 #define _ARCH_UNWIND_LINK_H
  21
  22 #define UNWIND_LINK_GETIP 1
  23 #define UNWIND_LINK_FRAME_ADJUSTMENT 0
  24 #define UNWIND_LINK_EXTRA_FIELDS \
  25   __typeof (_Unwind_GetGR) *ptr__Unwind_GetGR;
  26 #define UNWIND_LINK_EXTRA_INIT                                \
  27   local.ptr__Unwind_GetGR                                     \
  28     = __libc_dlsym (local_libgcc_handle, "_Unwind_GetGR");    \
  29   assert (local.ptr__Unwind_GetGR != NULL);                   \
  30   PTR_MANGLE (local.ptr__Unwind_GetGR);
  31
  32 /* This is overriden by the m680x0 variant.  */
  33 #define UNWIND_LINK_FRAME_STATE_FOR 0
  34
  35 #endif /* _ARCH_UNWIND_LINK_H */