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/* Function descriptors. IA64 version.
Copyright (C) 2003-2019 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 */
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