/usr/include/x86_64-linux-gnu/bits/link.h is in libc6-dev 2.27-3ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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
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