gdb/libunwind-frame.h

   1 /* Frame unwinder for frames with libunwind frame information.
   2
   3    Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010, 2011
   4    Free Software Foundation, Inc.
   5
   6    Contributed by Jeff Johnston.
   7
   8    This file is part of GDB.
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  22
  23 #ifdef HAVE_LIBUNWIND_H
  24
  25 struct frame_info;
  26 struct frame_id;
  27 struct regcache;
  28 struct gdbarch;
  29
  30 #ifndef LIBUNWIND_FRAME_H
  31 #define LIBUNWIND_FRAME_H 1
  32
  33 #include "libunwind.h"
  34
  35 struct libunwind_descr
  36 {
  37   int (*gdb2uw) (int);
  38   int (*uw2gdb) (int);
  39   int (*is_fpreg) (int);
  40   void *accessors;
  41   void *special_accessors;
  42 };
  43
  44 int libunwind_frame_sniffer (const struct frame_unwind *self,
  45                              struct frame_info *this_frame,
  46                              void **this_cache);
  47
  48 int libunwind_sigtramp_frame_sniffer (const struct frame_unwind *self,
  49                                       struct frame_info *this_frame,
  50                                       void **this_cache);
  51
  52 void libunwind_frame_set_descr (struct gdbarch *arch,
  53                                 struct libunwind_descr *descr);
  54
  55 void libunwind_frame_this_id (struct frame_info *this_frame, void **this_cache,
  56                               struct frame_id *this_id);
  57 struct value *libunwind_frame_prev_register (struct frame_info *this_frame,
  58                                              void **this_cache, int regnum);
  59 void libunwind_frame_dealloc_cache (struct frame_info *self, void *cache);
  60 CORE_ADDR libunwind_frame_base_address (struct frame_info *this_frame,
  61                                         void **this_cache);
  62
  63 int libunwind_is_initialized (void);
  64
  65 int libunwind_search_unwind_table (void *as, long ip, void *di,
  66                                    void *pi, int need_unwind_info, void *args);
  67
  68 unw_word_t libunwind_find_dyn_list (unw_addr_space_t, unw_dyn_info_t *,
  69                                     void *);
  70
  71 int libunwind_get_reg_special (struct gdbarch *gdbarch,
  72                                struct regcache *regcache,
  73                                int regnum, void *buf);
  74
  75 #endif /* libunwind-frame.h */
  76
  77 #endif /* HAVE_LIBUNWIND_H  */