1/* Copyright (C) 2005-2025 Free Software Foundation, Inc.
 2
 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 License as
 7   published by the Free Software Foundation; either version 2.1 of the
 8   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	_LINK_H
20# error "Never include <bits/link.h> directly; use <link.h> instead."
21#endif
22
23typedef union
24{
25  float s;
26  double d;
27  long double q;
28} La_aarch64_vector;
29
30/* Registers for entry into PLT on AArch64.  */
31typedef struct La_aarch64_regs
32{
33  uint64_t          lr_xreg[9];
34  La_aarch64_vector lr_vreg[8];
35  uint64_t          lr_sp;
36  uint64_t          lr_lr;
37  void              *lr_vpcs;
38} La_aarch64_regs;
39
40/* Return values for calls from PLT on AArch64.  */
41typedef struct La_aarch64_retval
42{
43  /* Up to eight integer registers can be used for a return value.  */
44  uint64_t          lrv_xreg[8];
45  /* Up to eight V registers can be used for a return value.  */
46  La_aarch64_vector lrv_vreg[8];
47  void              *lrv_vpcs;
48} La_aarch64_retval;
49__BEGIN_DECLS
50
51extern ElfW(Addr)
52la_aarch64_gnu_pltenter (ElfW(Sym) *__sym, unsigned int __ndx,
53			 uintptr_t *__refcook,
54			 uintptr_t *__defcook,
55			 La_aarch64_regs *__regs,
56			 unsigned int *__flags,
57			 const char *__symname,
58			 long int *__framesizep);
59
60extern unsigned int
61la_aarch64_gnu_pltexit (ElfW(Sym) *__sym, unsigned int __ndx,
62			uintptr_t *__refcook,
63			uintptr_t *__defcook,
64			const La_aarch64_regs *__inregs,
65			La_aarch64_retval *__outregs,
66			const char *__symname);
67
68__END_DECLS