Warning: That file was not part of the compilation database. It may have many parsing errors.

1/* Linux/ARM version of processor capability information handling macros.
2 Copyright (C) 2001-2019 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Philip Blundell <philb@gnu.org>, 2001.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library. If not, see
18 <http://www.gnu.org/licenses/>. */
19
20#ifndef _DL_PROCINFO_H
21#define _DL_PROCINFO_H 1
22
23#include <ldsodefs.h>
24#include <sysdep.h>
25
26#define _DL_HWCAP_COUNT 27
27
28/* Low 22 bits are allocated in HWCAP. */
29#define _DL_HWCAP_LAST 21
30
31/* Low 5 bits are allocated in HWCAP2. */
32#define _DL_HWCAP2_LAST 4
33
34/* The kernel provides platform data but it is not interesting. */
35#define _DL_HWCAP_PLATFORM 0
36
37
38static inline const char *
39__attribute__ ((unused))
40_dl_hwcap_string (int idx)
41{
42 return GLRO(dl_arm_cap_flags)[idx];
43};
44
45static inline int
46__attribute__ ((unused))
47_dl_procinfo (unsigned int type, unsigned long int word)
48{
49 switch(type)
50 {
51 case AT_HWCAP:
52 _dl_printf ("AT_HWCAP: ");
53
54 for (int i = 0; i <= _DL_HWCAP_LAST; ++i)
55 if (word & (1 << i))
56 _dl_printf (" %s", _dl_hwcap_string (i));
57 break;
58 case AT_HWCAP2:
59 {
60 unsigned int offset = _DL_HWCAP_LAST + 1;
61
62 _dl_printf ("AT_HWCAP2: ");
63
64 for (int i = 0; i <= _DL_HWCAP2_LAST; ++i)
65 if (word & (1 << i))
66 _dl_printf (" %s", _dl_hwcap_string (offset + i));
67 break;
68 }
69 default:
70 /* Fallback to generic output mechanism. */
71 return -1;
72 }
73 _dl_printf ("\n");
74 return 0;
75}
76
77#define HWCAP_IMPORTANT (HWCAP_ARM_VFP | HWCAP_ARM_NEON)
78
79static inline int
80__attribute__ ((unused))
81_dl_string_hwcap (const char *str)
82{
83 for (int i = 0; i < _DL_HWCAP_COUNT; i++)
84 {
85 if (strcmp (str, _dl_hwcap_string (i)) == 0)
86 return i;
87 }
88 return -1;
89};
90
91#define _dl_string_platform(str) (-1)
92
93#endif /* dl-procinfo.h */
94

Warning: That file was not part of the compilation database. It may have many parsing errors.