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a92026c9 | 1 | /* Function descriptors. Generic version. |
04277e02 | 2 | Copyright (C) 1995-2019 Free Software Foundation, Inc. |
c0282c06 UD |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
c0282c06 UD |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
c0282c06 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
c0282c06 | 18 | |
a92026c9 UD |
19 | #ifndef dl_fptr_h |
20 | #define dl_fptr_h 1 | |
c0282c06 | 21 | |
a92026c9 | 22 | /* An FDESC is a function descriptor. */ |
c0282c06 | 23 | |
a92026c9 UD |
24 | struct fdesc |
25 | { | |
26 | ElfW(Addr) ip; /* code entry point */ | |
27 | ElfW(Addr) gp; /* global pointer */ | |
28 | }; | |
29 | ||
30 | struct fdesc_table | |
31 | { | |
32 | struct fdesc_table *next; | |
33 | unsigned int len; /* # of entries in fdesc table */ | |
34 | volatile unsigned int first_unused; /* index of first available entry */ | |
35 | struct fdesc fdesc[0]; | |
36 | }; | |
37 | ||
6aa10807 UD |
38 | struct link_map; |
39 | ||
a92026c9 UD |
40 | extern ElfW(Addr) _dl_boot_fptr_table []; |
41 | ||
42 | extern ElfW(Addr) _dl_make_fptr (struct link_map *, const ElfW(Sym) *, | |
43 | ElfW(Addr)); | |
44 | ||
45 | #endif /* !dl_fptr_h */ |