mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 13:00:06 +00:00
46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
/* Function descriptors. IA64 version.
|
|
Copyright (C) 2003-2017 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef dl_ia64_fptr_h
|
|
#define dl_ia64_fptr_h 1
|
|
|
|
#include <ia64intrin.h>
|
|
#include <sysdeps/generic/dl-fptr.h>
|
|
|
|
#define COMPARE_AND_SWAP(ptr, old, new) \
|
|
__sync_bool_compare_and_swap (ptr, old, new)
|
|
|
|
/* There are currently 123 dynamic symbols in ld.so.
|
|
ELF_MACHINE_BOOT_FPTR_TABLE_LEN needs to be at least that big. */
|
|
#define ELF_MACHINE_BOOT_FPTR_TABLE_LEN 200
|
|
|
|
#define ELF_MACHINE_LOAD_ADDRESS(var, symbol) \
|
|
asm ("movl %0 = @gprel (" #symbol ");; add %0 = %0, gp" : "=&r" (var));
|
|
|
|
/* We don't have a gcc helper to extract the plabel info. */
|
|
#define ELF_PTR_TO_FDESC(ptr) \
|
|
({ union { \
|
|
void *_ptr; \
|
|
struct fdesc *_fdesc; \
|
|
} _u; \
|
|
_u._ptr = ptr; \
|
|
_u._fdesc; \
|
|
})
|
|
|
|
#endif /* !dl_ia64_fptr_h */
|