1  /* Dynamic loading of the libgcc unwinder.  i386 customization.
       2     Copyright (C) 2021-2023 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_STATE_FOR 1
      24  #define UNWIND_LINK_FRAME_ADJUSTMENT 0
      25  #define UNWIND_LINK_EXTRA_FIELDS \
      26    __typeof (_Unwind_GetGR) *ptr__Unwind_GetGR;
      27  #define UNWIND_LINK_EXTRA_INIT_SHARED                       \
      28    local.ptr__Unwind_GetGR                                   \
      29      = __libc_dlsym (local_libgcc_handle, "_Unwind_GetGR");  \
      30    assert (local.ptr__Unwind_GetGR != NULL);
      31  #define UNWIND_LINK_EXTRA_INIT                  \
      32    UNWIND_LINK_EXTRA_INIT_SHARED                 \
      33    PTR_MANGLE (local.ptr__Unwind_GetGR);
      34  
      35  #endif /* _ARCH_UNWIND_LINK_H */