/* Function descriptors.  IA64 version.

   Copyright (C) 2003-2018 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 */