1/* Machine-specific declarations for dynamic linker interface.
2 Copyright (C) 2022-2026 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 _LINK_H
20#error "Never include <bits/link.h> directly; use <link.h> instead."
21#endif
22
23#ifndef __loongarch_soft_float
24typedef float La_loongarch_vr
25 __attribute__ ((__vector_size__ (16), __aligned__ (16)));
26typedef float La_loongarch_xr
27 __attribute__ ((__vector_size__ (32), __aligned__ (16)));
28
29typedef union
30{
31 double fpreg[4];
32 La_loongarch_vr vr[2];
33 La_loongarch_xr xr[1];
34} La_loongarch_vector __attribute__ ((__aligned__ (16)));
35#endif
36
37typedef struct La_loongarch_regs
38{
39 unsigned long int lr_reg[8]; /* a0 - a7 */
40#ifndef __loongarch_soft_float
41 La_loongarch_vector lr_vec[8]; /* fa0 - fa7 or vr0 - vr7 or xr0 - xr7*/
42#endif
43 unsigned long int lr_ra;
44 unsigned long int lr_sp;
45} La_loongarch_regs;
46
47/* Return values for calls from PLT on LoongArch. */
48typedef struct La_loongarch_retval
49{
50 unsigned long int lrv_a0;
51 unsigned long int lrv_a1;
52#ifndef __loongarch_soft_float
53 La_loongarch_vector lrv_vec0;
54 La_loongarch_vector lrv_vec1;
55#endif
56} La_loongarch_retval;
57
58__BEGIN_DECLS
59
60extern ElfW (Addr) la_loongarch_gnu_pltenter (ElfW (Sym) *__sym,
61 unsigned int __ndx,
62 uintptr_t *__refcook,
63 uintptr_t *__defcook,
64 La_loongarch_regs *__regs,
65 unsigned int *__flags,
66 const char *__symname,
67 long int *__framesizep);
68extern unsigned int la_loongarch_gnu_pltexit (ElfW (Sym) *__sym,
69 unsigned int __ndx,
70 uintptr_t *__refcook,
71 uintptr_t *__defcook,
72 const La_loongarch_regs *__inregs,
73 La_loongarch_retval *__outregs,
74 const char *__symname);
75
76__END_DECLS