/usr/include/x86_64-linux-gnu/sys/user.h is in libc6-dev 2.15-0ubuntu10.18.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 | /* Copyright (C) 2001, 2002, 2004, 2011 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _SYS_USER_H
#define _SYS_USER_H 1
/* The whole purpose of this file is for GDB and GDB only. Don't read
too much into it. Don't use it for anything other than GDB unless
you know what you are doing. */
#include <bits/wordsize.h>
#include <unistd.h>
#if __WORDSIZE == 64
struct user_fpregs_struct
{
unsigned short int cwd;
unsigned short int swd;
unsigned short int ftw;
unsigned short int fop;
unsigned long int rip;
unsigned long int rdp;
unsigned int mxcsr;
unsigned int mxcr_mask;
unsigned int st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */
unsigned int xmm_space[64]; /* 16*16 bytes for each XMM-reg = 256 bytes */
unsigned int padding[24];
};
struct user_regs_struct
{
unsigned long int r15;
unsigned long int r14;
unsigned long int r13;
unsigned long int r12;
unsigned long int rbp;
unsigned long int rbx;
unsigned long int r11;
unsigned long int r10;
unsigned long int r9;
unsigned long int r8;
unsigned long int rax;
unsigned long int rcx;
unsigned long int rdx;
unsigned long int rsi;
unsigned long int rdi;
unsigned long int orig_rax;
unsigned long int rip;
unsigned long int cs;
unsigned long int eflags;
unsigned long int rsp;
unsigned long int ss;
unsigned long int fs_base;
unsigned long int gs_base;
unsigned long int ds;
unsigned long int es;
unsigned long int fs;
unsigned long int gs;
};
struct user
{
struct user_regs_struct regs;
int u_fpvalid;
struct user_fpregs_struct i387;
unsigned long int u_tsize;
unsigned long int u_dsize;
unsigned long int u_ssize;
unsigned long int start_code;
unsigned long int start_stack;
long int signal;
int reserved;
struct user_regs_struct* u_ar0;
struct user_fpregs_struct* u_fpstate;
unsigned long int magic;
char u_comm [32];
unsigned long int u_debugreg [8];
};
#else
/* These are the 32-bit x86 structures. */
struct user_fpregs_struct
{
long int cwd;
long int swd;
long int twd;
long int fip;
long int fcs;
long int foo;
long int fos;
long int st_space [20];
};
struct user_fpxregs_struct
{
unsigned short int cwd;
unsigned short int swd;
unsigned short int twd;
unsigned short int fop;
long int fip;
long int fcs;
long int foo;
long int fos;
long int mxcsr;
long int reserved;
long int st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */
long int xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */
long int padding[56];
};
struct user_regs_struct
{
long int ebx;
long int ecx;
long int edx;
long int esi;
long int edi;
long int ebp;
long int eax;
long int xds;
long int xes;
long int xfs;
long int xgs;
long int orig_eax;
long int eip;
long int xcs;
long int eflags;
long int esp;
long int xss;
};
struct user
{
struct user_regs_struct regs;
int u_fpvalid;
struct user_fpregs_struct i387;
unsigned long int u_tsize;
unsigned long int u_dsize;
unsigned long int u_ssize;
unsigned long int start_code;
unsigned long int start_stack;
long int signal;
int reserved;
struct user_regs_struct* u_ar0;
struct user_fpregs_struct* u_fpstate;
unsigned long int magic;
char u_comm [32];
int u_debugreg [8];
};
#endif /* __WORDSIZE */
#define PAGE_SIZE (sysconf(_SC_PAGESIZE))
#define PAGE_MASK (~(PAGE_SIZE-1))
#define NBPG PAGE_SIZE
#define UPAGES 1
#define HOST_TEXT_START_ADDR (u.start_code)
#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
#endif /* _SYS_USER_H */
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