Branch data Line data Source code
1 : : /* Describe known auxv types.
2 : : Copyright (C) 2007, 2008, 2009 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 <assert.h>
34 : : #include <byteswap.h>
35 : : #include <endian.h>
36 : : #include <inttypes.h>
37 : : #include <stdio.h>
38 : : #include <stddef.h>
39 : : #include <libeblP.h>
40 : :
41 : : #define AUXV_TYPES \
42 : : TYPE (NULL, "") \
43 : : TYPE (IGNORE, "") \
44 : : TYPE (EXECFD, "d") \
45 : : TYPE (EXECFN, "s") \
46 : : TYPE (PHDR, "p") \
47 : : TYPE (PHENT, "u") \
48 : : TYPE (PHNUM, "u") \
49 : : TYPE (PAGESZ, "u") \
50 : : TYPE (BASE, "p") \
51 : : TYPE (FLAGS, "x") \
52 : : TYPE (ENTRY, "p") \
53 : : TYPE (NOTELF, "") \
54 : : TYPE (UID, "u") \
55 : : TYPE (EUID, "u") \
56 : : TYPE (GID, "u") \
57 : : TYPE (EGID, "u") \
58 : : TYPE (CLKTCK, "u") \
59 : : TYPE (PLATFORM, "s") \
60 : : TYPE (BASE_PLATFORM, "s") \
61 : : TYPE (HWCAP, "x") \
62 : : TYPE (FPUCW, "x") \
63 : : TYPE (DCACHEBSIZE, "d") \
64 : : TYPE (ICACHEBSIZE, "d") \
65 : : TYPE (UCACHEBSIZE, "d") \
66 : : TYPE (IGNOREPPC, "") \
67 : : TYPE (SECURE, "u") \
68 : : TYPE (SYSINFO, "p") \
69 : : TYPE (SYSINFO_EHDR, "p") \
70 : : TYPE (L1I_CACHESHAPE, "d") \
71 : : TYPE (L1D_CACHESHAPE, "d") \
72 : : TYPE (L2_CACHESHAPE, "d") \
73 : : TYPE (L3_CACHESHAPE, "d") \
74 : : TYPE (RANDOM, "p")
75 : :
76 : : static const struct
77 : : {
78 : : const char *name, *format;
79 : : } auxv_types[] =
80 : : {
81 : : #define TYPE(name, fmt) [AT_##name] = { #name, fmt },
82 : : AUXV_TYPES
83 : : #undef TYPE
84 : : };
85 : : #define nauxv_types (sizeof auxv_types / sizeof auxv_types[0])
86 : :
87 : : int
88 : 336 : ebl_auxv_info (Ebl *ebl, GElf_Xword a_type, const char **name,
89 : : const char **format)
90 : : {
91 : 336 : int result = ebl->auxv_info (a_type, name, format);
92 [ + + + - ]: 336 : if (result == 0 && a_type < nauxv_types && auxv_types[a_type].name != NULL)
93 : : {
94 : : /* The machine specific function did not know this type. */
95 : 328 : *name = auxv_types[a_type].name;
96 : 328 : *format = auxv_types[a_type].format;
97 : 328 : result = 1;
98 : : }
99 : 336 : return result;
100 : : }
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