gdb/libunwind-frame.h

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