1/* Copyright (C) 2004-2014 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, see
16 <http://www.gnu.org/licenses/>. */
17
18#ifndef _LINK_H
19# error "Never include <bits/link.h> directly; use <link.h> instead."
20#endif
21
22
23#ifndef __x86_64__
24/* Registers for entry into PLT on IA-32. */
25typedef struct La_i86_regs
26{
27 uint32_t lr_edx;
28 uint32_t lr_ecx;
29 uint32_t lr_eax;
30 uint32_t lr_ebp;
31 uint32_t lr_esp;
32} La_i86_regs;
33
34/* Return values for calls from PLT on IA-32. */
35typedef struct La_i86_retval
36{
37 uint32_t lrv_eax;
38 uint32_t lrv_edx;
39 long double lrv_st0;
40 long double lrv_st1;
41} La_i86_retval;
42
43
44__BEGIN_DECLS
45
46extern Elf32_Addr la_i86_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx,
47 uintptr_t *__refcook,
48 uintptr_t *__defcook,
49 La_i86_regs *__regs,
50 unsigned int *__flags,
51 const char *__symname,
52 long int *__framesizep);
53extern unsigned int la_i86_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx,
54 uintptr_t *__refcook,
55 uintptr_t *__defcook,
56 const La_i86_regs *__inregs,
57 La_i86_retval *__outregs,
58 const char *symname);
59
60__END_DECLS
61
62#else
63
64/* Registers for entry into PLT on x86-64. */
65# if __GNUC_PREREQ (4,0)
66typedef float La_x86_64_xmm __attribute__ ((__vector_size__ (16)));
67typedef float La_x86_64_ymm
68 __attribute__ ((__vector_size__ (32), __aligned__ (16)));
69# else
70typedef float La_x86_64_xmm __attribute__ ((__mode__ (__V4SF__)));
71# endif
72
73typedef union
74{
75# if __GNUC_PREREQ (4,0)
76 La_x86_64_ymm ymm[2];
77# endif
78 La_x86_64_xmm xmm[4];
79} La_x86_64_vector __attribute__ ((__aligned__ (16)));
80
81typedef struct La_x86_64_regs
82{
83 uint64_t lr_rdx;
84 uint64_t lr_r8;
85 uint64_t lr_r9;
86 uint64_t lr_rcx;
87 uint64_t lr_rsi;
88 uint64_t lr_rdi;
89 uint64_t lr_rbp;
90 uint64_t lr_rsp;
91 La_x86_64_xmm lr_xmm[8];
92 La_x86_64_vector lr_vector[8];
93} La_x86_64_regs;
94
95/* Return values for calls from PLT on x86-64. */
96typedef struct La_x86_64_retval
97{
98 uint64_t lrv_rax;
99 uint64_t lrv_rdx;
100 La_x86_64_xmm lrv_xmm0;
101 La_x86_64_xmm lrv_xmm1;
102 long double lrv_st0;
103 long double lrv_st1;
104 La_x86_64_vector lrv_vector0;
105 La_x86_64_vector lrv_vector1;
106} La_x86_64_retval;
107
108#define La_x32_regs La_x86_64_regs
109#define La_x32_retval La_x86_64_retval
110
111__BEGIN_DECLS
112
113extern Elf64_Addr la_x86_64_gnu_pltenter (Elf64_Sym *__sym,
114 unsigned int __ndx,
115 uintptr_t *__refcook,
116 uintptr_t *__defcook,
117 La_x86_64_regs *__regs,
118 unsigned int *__flags,
119 const char *__symname,
120 long int *__framesizep);
121extern unsigned int la_x86_64_gnu_pltexit (Elf64_Sym *__sym,
122 unsigned int __ndx,
123 uintptr_t *__refcook,
124 uintptr_t *__defcook,
125 const La_x86_64_regs *__inregs,
126 La_x86_64_retval *__outregs,
127 const char *__symname);
128
129extern Elf32_Addr la_x32_gnu_pltenter (Elf32_Sym *__sym,
130 unsigned int __ndx,
131 uintptr_t *__refcook,
132 uintptr_t *__defcook,
133 La_x32_regs *__regs,
134 unsigned int *__flags,
135 const char *__symname,
136 long int *__framesizep);
137extern unsigned int la_x32_gnu_pltexit (Elf32_Sym *__sym,
138 unsigned int __ndx,
139 uintptr_t *__refcook,
140 uintptr_t *__defcook,
141 const La_x32_regs *__inregs,
142 La_x32_retval *__outregs,
143 const char *__symname);
144
145__END_DECLS
146
147#endif
148