FM / sys

/usr/include/sys

Name	Size	Mode	Actions
platform/	-	0755	rm
acct.h	3302	0644	edit dl rm
auxv.h	1260	0644	edit dl rm
bitypes.h	86	0644	edit dl rm
cdefs.h	26257	0644	edit dl rm
debugreg.h	3576	0644	edit dl rm
dir.h	922	0644	edit dl rm
elf.h	1024	0644	edit dl rm
epoll.h	5076	0644	edit dl rm
errno.h	19	0644	edit dl rm
eventfd.h	1400	0644	edit dl rm
fanotify.h	1292	0644	edit dl rm
fcntl.h	19	0644	edit dl rm
file.h	1675	0644	edit dl rm
fsuid.h	1188	0644	edit dl rm
gmon.h	6230	0644	edit dl rm
gmon_out.h	2636	0644	edit dl rm
inotify.h	3901	0644	edit dl rm
io.h	5086	0644	edit dl rm
ioctl.h	2027	0644	edit dl rm
ipc.h	1462	0644	edit dl rm
kd.h	1112	0644	edit dl rm
klog.h	1204	0644	edit dl rm
mman.h	5552	0644	edit dl rm
mount.h	5706	0644	edit dl rm
msg.h	2623	0644	edit dl rm
mtio.h	11163	0644	edit dl rm
param.h	3149	0644	edit dl rm
pci.h	923	0644	edit dl rm
perm.h	1127	0644	edit dl rm
personality.h	2723	0644	edit dl rm
poll.h	3025	0644	edit dl rm
prctl.h	1795	0644	edit dl rm
procfs.h	4338	0644	edit dl rm
profil.h	1959	0644	edit dl rm
ptrace.h	6126	0644	edit dl rm
queue.h	19539	0644	edit dl rm
quota.h	5173	0644	edit dl rm
random.h	1471	0644	edit dl rm
raw.h	1182	0644	edit dl rm
reboot.h	1633	0644	edit dl rm
reg.h	1827	0644	edit dl rm
resource.h	4034	0644	edit dl rm
rseq.h	6405	0644	edit dl rm
select.h	5039	0644	edit dl rm
sem.h	2660	0644	edit dl rm
sendfile.h	1806	0644	edit dl rm
shm.h	2131	0644	edit dl rm
signal.h	20	0644	edit dl rm
signalfd.h	1714	0644	edit dl rm
single_threaded.h	1182	0644	edit dl rm
socket.h	12382	0644	edit dl rm
socketvar.h	141	0644	edit dl rm
soundcard.h	29	0644	edit dl rm
stat.h	13735	0644	edit dl rm
statfs.h	2094	0644	edit dl rm
statvfs.h	2821	0644	edit dl rm
swap.h	1593	0644	edit dl rm
syscall.h	1256	0644	edit dl rm
sysinfo.h	1518	0644	edit dl rm
syslog.h	7786	0644	edit dl rm
sysmacros.h	2103	0644	edit dl rm
termios.h	74	0644	edit dl rm
time.h	9139	0644	edit dl rm
timeb.h	1155	0644	edit dl rm
timerfd.h	2583	0644	edit dl rm
times.h	1597	0644	edit dl rm
timex.h	2839	0644	edit dl rm
ttychars.h	2499	0644	edit dl rm
ttydefaults.h	3568	0644	edit dl rm
types.h	5713	0644	edit dl rm
ucontext.h	5842	0644	edit dl rm
uio.h	6796	0644	edit dl rm
un.h	1453	0644	edit dl rm
unistd.h	20	0644	edit dl rm
user.h	5208	0644	edit dl rm
utsname.h	2481	0644	edit dl rm
vfs.h	161	0644	edit dl rm
vlimit.h	1880	0644	edit dl rm
vm86.h	1199	0644	edit dl rm
vt.h	22	0644	edit dl rm
wait.h	6233	0644	edit dl rm
xattr.h	4275	0644	edit dl rm

Edit: /usr/include/sys/user.h (5208B)

/* Copyright (C) 2001-2021 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
   <https://www.gnu.org/licenses/>.  */

#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.  */

#ifdef __x86_64__

struct user_fpregs_struct
{
  unsigned short int	cwd;
  unsigned short int	swd;
  unsigned short int	ftw;
  unsigned short int	fop;
  __extension__ unsigned long long int rip;
  __extension__ unsigned long 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
{
  __extension__ unsigned long long int r15;
  __extension__ unsigned long long int r14;
  __extension__ unsigned long long int r13;
  __extension__ unsigned long long int r12;
  __extension__ unsigned long long int rbp;
  __extension__ unsigned long long int rbx;
  __extension__ unsigned long long int r11;
  __extension__ unsigned long long int r10;
  __extension__ unsigned long long int r9;
  __extension__ unsigned long long int r8;
  __extension__ unsigned long long int rax;
  __extension__ unsigned long long int rcx;
  __extension__ unsigned long long int rdx;
  __extension__ unsigned long long int rsi;
  __extension__ unsigned long long int rdi;
  __extension__ unsigned long long int orig_rax;
  __extension__ unsigned long long int rip;
  __extension__ unsigned long long int cs;
  __extension__ unsigned long long int eflags;
  __extension__ unsigned long long int rsp;
  __extension__ unsigned long long int ss;
  __extension__ unsigned long long int fs_base;
  __extension__ unsigned long long int gs_base;
  __extension__ unsigned long long int ds;
  __extension__ unsigned long long int es;
  __extension__ unsigned long long int fs;
  __extension__ unsigned long long int gs;
};

struct user
{
  struct user_regs_struct	regs;
  int				u_fpvalid;
  struct user_fpregs_struct	i387;
  __extension__ unsigned long long int	u_tsize;
  __extension__ unsigned long long int	u_dsize;
  __extension__ unsigned long long int	u_ssize;
  __extension__ unsigned long long int	start_code;
  __extension__ unsigned long long int	start_stack;
  __extension__ long long int		signal;
  int				reserved;
  __extension__ union
    {
      struct user_regs_struct*	u_ar0;
      __extension__ unsigned long long int	__u_ar0_word;
    };
  __extension__ union
    {
      struct user_fpregs_struct*	u_fpstate;
      __extension__ unsigned long long int	__u_fpstate_word;
    };
  __extension__ unsigned long long int	magic;
  char				u_comm [32];
  __extension__ unsigned long 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  /* __x86_64__ */

#define PAGE_SHIFT		12
#define PAGE_SIZE		(1UL << PAGE_SHIFT)
#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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