85e69cdfdbeb6672aa316b209a237f84dcc281c6
[platform/upstream/glibc.git] / sysdeps / mips / bits / link.h
1 /* Copyright (C) 2005, 2009 Free Software Foundation, Inc.
2    This file is part of the GNU C Library.
3
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.
8
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.
13
14    You should have received a copy of the GNU Lesser General Public
15    License along with the GNU C Library; if not, write to the Free
16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17    02111-1307 USA.  */
18
19 #ifndef _LINK_H
20 # error "Never include <bits/link.h> directly; use <link.h> instead."
21 #endif
22
23 #include <sgidefs.h>
24
25 #if _MIPS_SIM == _ABIO32
26
27 /* Registers for entry into PLT on MIPS.  */
28 typedef struct La_mips_32_regs
29 {
30   uint32_t lr_reg[4]; /* $a0 through $a3 */
31   double lr_fpreg[2]; /* $f12 and $f14 */
32   uint32_t lr_ra;
33   uint32_t lr_sp;
34 } La_mips_32_regs;
35
36 /* Return values for calls from PLT on MIPS.  */
37 typedef struct La_mips_32_retval
38 {
39   uint32_t lrv_v0;
40   uint32_t lrv_v1;
41   double lrv_f0;
42   double lrv_f2;
43 } La_mips_32_retval;
44
45 #else
46
47 typedef struct La_mips_64_regs
48 {
49   uint64_t lr_reg[8]; /* $a0 through $a7 */
50   double lr_fpreg[8]; /* $f12 throgh $f19 */
51   uint64_t lr_ra;
52   uint64_t lr_sp;
53 } La_mips_64_regs;
54
55 /* Return values for calls from PLT on MIPS.  */
56 typedef struct La_mips_64_retval
57 {
58   uint64_t lrv_v0;
59   uint64_t lrv_v1;
60   double lrv_f0;
61   double lrv_f2;
62 } La_mips_64_retval;
63
64 #endif
65
66 __BEGIN_DECLS
67
68 #if _MIPS_SIM == _ABIO32
69
70 extern Elf32_Addr la_mips_o32_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx,
71                                             uintptr_t *__refcook,
72                                             uintptr_t *__defcook,
73                                             La_mips_32_regs *__regs,
74                                             unsigned int *__flags,
75                                             const char *__symname,
76                                             long int *__framesizep);
77 extern unsigned int la_mips_o32_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx,
78                                              uintptr_t *__refcook,
79                                              uintptr_t *__defcook,
80                                              const La_mips_32_regs *__inregs,
81                                              La_mips_32_retval *__outregs,
82                                              const char *__symname);
83
84 #elif _MIPS_SIM == _ABIN32
85
86 extern Elf32_Addr la_mips_n32_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx,
87                                             uintptr_t *__refcook,
88                                             uintptr_t *__defcook,
89                                             La_mips_64_regs *__regs,
90                                             unsigned int *__flags,
91                                             const char *__symname,
92                                             long int *__framesizep);
93 extern unsigned int la_mips_n32_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx,
94                                              uintptr_t *__refcook,
95                                              uintptr_t *__defcook,
96                                              const La_mips_64_regs *__inregs,
97                                              La_mips_64_retval *__outregs,
98                                              const char *__symname);
99
100 #else
101
102 extern Elf64_Addr la_mips_n64_gnu_pltenter (Elf64_Sym *__sym, unsigned int __ndx,
103                                             uintptr_t *__refcook,
104                                             uintptr_t *__defcook,
105                                             La_mips_64_regs *__regs,
106                                             unsigned int *__flags,
107                                             const char *__symname,
108                                             long int *__framesizep);
109 extern unsigned int la_mips_n64_gnu_pltexit (Elf64_Sym *__sym, unsigned int __ndx,
110                                              uintptr_t *__refcook,
111                                              uintptr_t *__defcook,
112                                              const La_mips_64_regs *__inregs,
113                                              La_mips_64_retval *__outregs,
114                                              const char *__symname);
115
116 #endif
117
118 __END_DECLS