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1 | /* Function descriptors. IA64 version. |
---|---|
2 | Copyright (C) 2003-2022 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 | <https://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 */ |
46 |
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