| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Function descriptors. IA64 version. |
| 2 | Copyright (C) 2003-2016 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_ia64_fptr_h |
| 20 | #define dl_ia64_fptr_h 1 |
| 21 | |
| 22 | #include <ia64intrin.h> |
| 23 | #include <sysdeps/generic/dl-fptr.h> |
| 24 | |
| 25 | #define COMPARE_AND_SWAP(ptr, old, new) \ |
| 26 | __sync_bool_compare_and_swap (ptr, old, new) |
| 27 | |
| 28 | /* There are currently 123 dynamic symbols in ld.so. |
| 29 | ELF_MACHINE_BOOT_FPTR_TABLE_LEN needs to be at least that big. */ |
| 30 | #define ELF_MACHINE_BOOT_FPTR_TABLE_LEN 200 |
| 31 | |
| 32 | #define ELF_MACHINE_LOAD_ADDRESS(var, symbol) \ |
| 33 | asm ("movl %0 = @gprel (" #symbol ");; add %0 = %0, gp" : "=&r" (var)); |
| 34 | |
| 35 | /* We don't have a gcc helper to extract the plabel info. */ |
| 36 | #define ELF_PTR_TO_FDESC(ptr) \ |
| 37 | ({ union { \ |
| 38 | void *_ptr; \ |
| 39 | struct fdesc *_fdesc; \ |
| 40 | } _u; \ |
| 41 | _u._ptr = ptr; \ |
| 42 | _u._fdesc; \ |
| 43 | }) |
| 44 | |
| 45 | #endif /* !dl_ia64_fptr_h */ |