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[glibc.git] / sysdeps / mips / bits / link.h
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1 /* Copyright (C) 2005-2023 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library. If not, see
16 <https://www.gnu.org/licenses/>. */
18 #ifndef _LINK_H
19 # error "Never include <bits/link.h> directly; use <link.h> instead."
20 #endif
22 #include <sgidefs.h>
24 #if _MIPS_SIM == _ABIO32
26 /* Registers for entry into PLT on MIPS. */
27 typedef struct La_mips_32_regs
29 uint32_t lr_reg[4]; /* $a0 through $a3 */
30 double lr_fpreg[2]; /* $f12 and $f14 */
31 uint32_t lr_ra;
32 uint32_t lr_sp;
33 } La_mips_32_regs;
35 /* Return values for calls from PLT on MIPS. */
36 typedef struct La_mips_32_retval
38 uint32_t lrv_v0;
39 uint32_t lrv_v1;
40 double lrv_f0;
41 double lrv_f2;
42 } La_mips_32_retval;
44 #else
46 typedef struct La_mips_64_regs
48 uint64_t lr_reg[8]; /* $a0 through $a7 */
49 double lr_fpreg[8]; /* $f12 throgh $f19 */
50 uint64_t lr_ra;
51 uint64_t lr_sp;
52 } La_mips_64_regs;
54 /* Return values for calls from PLT on MIPS. */
55 typedef struct La_mips_64_retval
57 uint64_t lrv_v0;
58 uint64_t lrv_v1;
59 double lrv_f0;
60 double lrv_f2;
61 } La_mips_64_retval;
63 #endif
65 __BEGIN_DECLS
67 #if _MIPS_SIM == _ABIO32
69 extern Elf32_Addr la_mips_o32_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx,
70 uintptr_t *__refcook,
71 uintptr_t *__defcook,
72 La_mips_32_regs *__regs,
73 unsigned int *__flags,
74 const char *__symname,
75 long int *__framesizep);
76 extern unsigned int la_mips_o32_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx,
77 uintptr_t *__refcook,
78 uintptr_t *__defcook,
79 const La_mips_32_regs *__inregs,
80 La_mips_32_retval *__outregs,
81 const char *__symname);
83 #elif _MIPS_SIM == _ABIN32
85 extern Elf32_Addr la_mips_n32_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx,
86 uintptr_t *__refcook,
87 uintptr_t *__defcook,
88 La_mips_64_regs *__regs,
89 unsigned int *__flags,
90 const char *__symname,
91 long int *__framesizep);
92 extern unsigned int la_mips_n32_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx,
93 uintptr_t *__refcook,
94 uintptr_t *__defcook,
95 const La_mips_64_regs *__inregs,
96 La_mips_64_retval *__outregs,
97 const char *__symname);
99 #else
101 extern Elf64_Addr la_mips_n64_gnu_pltenter (Elf64_Sym *__sym, unsigned int __ndx,
102 uintptr_t *__refcook,
103 uintptr_t *__defcook,
104 La_mips_64_regs *__regs,
105 unsigned int *__flags,
106 const char *__symname,
107 long int *__framesizep);
108 extern unsigned int la_mips_n64_gnu_pltexit (Elf64_Sym *__sym, unsigned int __ndx,
109 uintptr_t *__refcook,
110 uintptr_t *__defcook,
111 const La_mips_64_regs *__inregs,
112 La_mips_64_retval *__outregs,
113 const char *__symname);
115 #endif
117 __END_DECLS