Branch data Line data Source code
1 : : /* Enumerate DWARF register numbers and their names.
2 : : Copyright (C) 2005, 2006 Red Hat, Inc.
3 : : This file is part of elfutils.
4 : :
5 : : This file is free software; you can redistribute it and/or modify
6 : : it under the terms of either
7 : :
8 : : * the GNU Lesser General Public License as published by the Free
9 : : Software Foundation; either version 3 of the License, or (at
10 : : your option) any later version
11 : :
12 : : or
13 : :
14 : : * the GNU General Public License as published by the Free
15 : : Software Foundation; either version 2 of the License, or (at
16 : : your option) any later version
17 : :
18 : : or both in parallel, as here.
19 : :
20 : : elfutils is distributed in the hope that it will be useful, but
21 : : WITHOUT ANY WARRANTY; without even the implied warranty of
22 : : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23 : : General Public License for more details.
24 : :
25 : : You should have received copies of the GNU General Public License and
26 : : the GNU Lesser General Public License along with this program. If
27 : : not, see <http://www.gnu.org/licenses/>. */
28 : :
29 : : #ifdef HAVE_CONFIG_H
30 : : # include <config.h>
31 : : #endif
32 : :
33 : : #include "libdwflP.h"
34 : :
35 : :
36 : : int
37 : 30 : dwfl_module_register_names (Dwfl_Module *mod,
38 : : int (*func) (void *, int, const char *,
39 : : const char *, const char *,
40 : : int, int),
41 : : void *arg)
42 : : {
43 [ + - ]: 30 : if (unlikely (mod == NULL))
44 : : return -1;
45 : :
46 [ + + ]: 30 : if (unlikely (mod->ebl == NULL))
47 : : {
48 : 14 : Dwfl_Error error = __libdwfl_module_getebl (mod);
49 [ - + ]: 14 : if (error != DWFL_E_NOERROR)
50 : : {
51 : 0 : __libdwfl_seterrno (error);
52 : 0 : return -1;
53 : : }
54 : : }
55 : :
56 : 30 : int nregs = ebl_register_info (mod->ebl, -1, NULL, 0,
57 : : NULL, NULL, NULL, NULL);
58 : 30 : int result = 0;
59 [ + + + - ]: 7996 : for (int regno = 0; regno < nregs && likely (result == 0); ++regno)
60 : : {
61 : 7966 : char name[32];
62 : 7966 : const char *setname = NULL;
63 : 7966 : const char *prefix = NULL;
64 : 7966 : int bits = -1;
65 : 7966 : int type = -1;
66 : 7966 : ssize_t len = ebl_register_info (mod->ebl, regno, name, sizeof name,
67 : : &prefix, &setname, &bits, &type);
68 [ - + ]: 7966 : if (unlikely (len < 0))
69 : : {
70 : 0 : __libdwfl_seterrno (DWFL_E_LIBEBL);
71 : 0 : result = -1;
72 : 0 : break;
73 : : }
74 [ + + ]: 7966 : if (likely (len > 0))
75 : : {
76 [ - + ]: 6587 : assert (len > 1); /* Backend should never yield "". */
77 : 6587 : result = (*func) (arg, regno, setname, prefix, name, bits, type);
78 : : }
79 : : }
80 : :
81 : : return result;
82 : : }
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