| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Function descriptors. Generic version. |
| 2 | Copyright (C) 1995-2015 Free Software Foundation, Inc. |
| 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 |
| 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. |
| 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 |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #ifndef dl_fptr_h |
| 20 | #define dl_fptr_h 1 |
| 21 | |
| 22 | /* An FDESC is a function descriptor. */ |
| 23 | |
| 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 | |
| 38 | struct link_map; |
| 39 | |
| 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 */ |