gdb/dwarf2-frame-tailcall.h

   1 /* Definitions for virtual tail call frames unwinder for GDB.
   2
   3    Copyright (C) 2010-2020 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef DWARF2_FRAME_TAILCALL_H
  21 #define DWARF2_FRAME_TAILCALL_H 1
  22
  23 struct frame_info;
  24 struct frame_unwind;
  25
  26 /* The tail call frame unwinder.  */
  27
  28 extern void
  29   dwarf2_tailcall_sniffer_first (struct frame_info *this_frame,
  30                                  void **tailcall_cachep,
  31                                  const LONGEST *entry_cfa_sp_offsetp);
  32
  33 extern struct value *
  34   dwarf2_tailcall_prev_register_first (struct frame_info *this_frame,
  35                                        void **tailcall_cachep, int regnum);
  36
  37 extern const struct frame_unwind dwarf2_tailcall_frame_unwind;
  38
  39 #endif /* !DWARF2_FRAME_TAILCALL_H */