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1 /* Frame unwinder for frames with libunwind frame information.
2
3 Copyright (C) 2003, 2006, 2007 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 2 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, write to the Free Software
21 Foundation, Inc., 51 Franklin Street, Fifth Floor,
22 Boston, MA 02110-1301, USA. */
23
24 #ifdef HAVE_LIBUNWIND_H
25
26 struct frame_info;
27 struct frame_id;
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 const struct frame_unwind *libunwind_frame_sniffer (struct frame_info *next_frame);
45 const struct frame_unwind *libunwind_sigtramp_frame_sniffer (struct frame_info *next_frame);
46
47 void libunwind_frame_set_descr (struct gdbarch *arch, struct libunwind_descr *descr);
48
49 void libunwind_frame_this_id (struct frame_info *next_frame, void **this_cache,
50 struct frame_id *this_id);
51 void libunwind_frame_prev_register (struct frame_info *next_frame, void **this_cache,
52 int regnum, int *optimizedp,
53 enum lval_type *lvalp, CORE_ADDR *addrp,
54 int *realnump, gdb_byte *valuep);
55 CORE_ADDR libunwind_frame_base_address (struct frame_info *next_frame, void **this_cache);
56
57 int libunwind_is_initialized (void);
58
59 int libunwind_search_unwind_table (void *as, long ip, void *di,
60 void *pi, int need_unwind_info, void *args);
61
62 unw_word_t libunwind_find_dyn_list (unw_addr_space_t, unw_dyn_info_t *,
63 void *);
64
65 int libunwind_get_reg_special (struct gdbarch *gdbarch, int regnum, void *buf);
66
67 #endif /* libunwind-frame.h */
68
69 #endif /* HAVE_LIBUNWIND_H */