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d5efd131 | 1 | /* Function descriptors. IA64 version. |
04277e02 | 2 | Copyright (C) 2003-2019 Free Software Foundation, Inc. |
d5efd131 MF |
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 | |
75efb018 MF |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
d5efd131 MF |
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 | ||
c5abd7ce MF |
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 | ||
d5efd131 | 45 | #endif /* !dl_ia64_fptr_h */ |