1 | /* Copyright (C) 1998-2024 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library. If not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <shlib-compat.h> |
19 | |
20 | #if SHLIB_COMPAT (libc, GLIBC_2_4, GLIBC_2_30) |
21 | # include <errno.h> |
22 | |
23 | int |
24 | ioperm (unsigned long int from, unsigned long int num, int turn_on) |
25 | { |
26 | __set_errno (ENOSYS); |
27 | return -1; |
28 | } |
29 | compat_symbol (libc, ioperm, ioperm, GLIBC_2_4); |
30 | |
31 | int |
32 | iopl (unsigned int level) |
33 | { |
34 | __set_errno (ENOSYS); |
35 | return -1; |
36 | } |
37 | compat_symbol (libc, iopl, iopl, GLIBC_2_4); |
38 | |
39 | |
40 | /* The remaining functions do not have any way to indicate failure. |
41 | However, it is only valid to call them after calling ioperm/iopl, |
42 | which will have indicated failure. */ |
43 | |
44 | void |
45 | outb (unsigned char b, unsigned long int port) |
46 | { |
47 | } |
48 | compat_symbol (libc, outb, outb, GLIBC_2_4); |
49 | |
50 | void |
51 | outw (unsigned short b, unsigned long int port) |
52 | { |
53 | } |
54 | compat_symbol (libc, outw, outw, GLIBC_2_4); |
55 | |
56 | void |
57 | outl (unsigned int b, unsigned long int port) |
58 | { |
59 | } |
60 | compat_symbol (libc, outl, outl, GLIBC_2_4); |
61 | |
62 | unsigned int |
63 | inb (unsigned long int port) |
64 | { |
65 | return 0; |
66 | } |
67 | compat_symbol (libc, inb, inb, GLIBC_2_4); |
68 | |
69 | |
70 | unsigned int |
71 | inw (unsigned long int port) |
72 | { |
73 | return 0; |
74 | } |
75 | compat_symbol (libc, inw, inw, GLIBC_2_4); |
76 | |
77 | |
78 | unsigned int |
79 | inl (unsigned long int port) |
80 | { |
81 | return 0; |
82 | } |
83 | compat_symbol (libc, inl, inl, GLIBC_2_4); |
84 | |
85 | #endif /* SHLIB_COMAT */ |
86 | |