summary refs log tree commit diff
path: root/sysdeps/x86/bits/link.h
blob: a97c41162c319f567019f8f8c9d510ba0f28cee8 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
/* Copyright (C) 2004-2018 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	_LINK_H
# error "Never include <bits/link.h> directly; use <link.h> instead."
#endif


#ifndef __x86_64__
/* Registers for entry into PLT on IA-32.  */
typedef struct La_i86_regs
{
  uint32_t lr_edx;
  uint32_t lr_ecx;
  uint32_t lr_eax;
  uint32_t lr_ebp;
  uint32_t lr_esp;
} La_i86_regs;

/* Return values for calls from PLT on IA-32.  */
typedef struct La_i86_retval
{
  uint32_t lrv_eax;
  uint32_t lrv_edx;
  long double lrv_st0;
  long double lrv_st1;
  uint64_t lrv_bnd0;
  uint64_t lrv_bnd1;
} La_i86_retval;


__BEGIN_DECLS

extern Elf32_Addr la_i86_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx,
				       uintptr_t *__refcook,
				       uintptr_t *__defcook,
				       La_i86_regs *__regs,
				       unsigned int *__flags,
				       const char *__symname,
				       long int *__framesizep);
extern unsigned int la_i86_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx,
					uintptr_t *__refcook,
					uintptr_t *__defcook,
					const La_i86_regs *__inregs,
					La_i86_retval *__outregs,
					const char *symname);

__END_DECLS

#else

/* Registers for entry into PLT on x86-64.  */
# if __GNUC_PREREQ (4,0)
typedef float La_x86_64_xmm __attribute__ ((__vector_size__ (16)));
typedef float La_x86_64_ymm
    __attribute__ ((__vector_size__ (32), __aligned__ (16)));
typedef double La_x86_64_zmm
    __attribute__ ((__vector_size__ (64), __aligned__ (16)));
# else
typedef float La_x86_64_xmm __attribute__ ((__mode__ (__V4SF__)));
# endif

typedef union
{
# if __GNUC_PREREQ (4,0)
  La_x86_64_ymm ymm[2];
  La_x86_64_zmm zmm[1];
# endif
  La_x86_64_xmm xmm[4];
} La_x86_64_vector __attribute__ ((__aligned__ (16)));

typedef struct La_x86_64_regs
{
  uint64_t lr_rdx;
  uint64_t lr_r8;
  uint64_t lr_r9;
  uint64_t lr_rcx;
  uint64_t lr_rsi;
  uint64_t lr_rdi;
  uint64_t lr_rbp;
  uint64_t lr_rsp;
  La_x86_64_xmm lr_xmm[8];
  La_x86_64_vector lr_vector[8];
#ifndef __ILP32__
  __int128_t lr_bnd[4];
#endif
} La_x86_64_regs;

/* Return values for calls from PLT on x86-64.  */
typedef struct La_x86_64_retval
{
  uint64_t lrv_rax;
  uint64_t lrv_rdx;
  La_x86_64_xmm lrv_xmm0;
  La_x86_64_xmm lrv_xmm1;
  long double lrv_st0;
  long double lrv_st1;
  La_x86_64_vector lrv_vector0;
  La_x86_64_vector lrv_vector1;
#ifndef __ILP32__
  __int128_t lrv_bnd0;
  __int128_t lrv_bnd1;
#endif
} La_x86_64_retval;

#define La_x32_regs La_x86_64_regs
#define La_x32_retval La_x86_64_retval

__BEGIN_DECLS

extern Elf64_Addr la_x86_64_gnu_pltenter (Elf64_Sym *__sym,
					  unsigned int __ndx,
					  uintptr_t *__refcook,
					  uintptr_t *__defcook,
					  La_x86_64_regs *__regs,
					  unsigned int *__flags,
					  const char *__symname,
					  long int *__framesizep);
extern unsigned int la_x86_64_gnu_pltexit (Elf64_Sym *__sym,
					   unsigned int __ndx,
					   uintptr_t *__refcook,
					   uintptr_t *__defcook,
					   const La_x86_64_regs *__inregs,
					   La_x86_64_retval *__outregs,
					   const char *__symname);

extern Elf32_Addr la_x32_gnu_pltenter (Elf32_Sym *__sym,
				       unsigned int __ndx,
				       uintptr_t *__refcook,
				       uintptr_t *__defcook,
				       La_x32_regs *__regs,
				       unsigned int *__flags,
				       const char *__symname,
				       long int *__framesizep);
extern unsigned int la_x32_gnu_pltexit (Elf32_Sym *__sym,
					unsigned int __ndx,
					uintptr_t *__refcook,
					uintptr_t *__defcook,
					const La_x32_regs *__inregs,
					La_x32_retval *__outregs,
					const char *__symname);

__END_DECLS

#endif