FM / sys

/usr/include/sys

Name	Size	Mode	Actions
acct.h	3407	0644	edit dl rm
bitypes.h	86	0644	edit dl rm
cdefs.h	14000	0644	edit dl rm
debugreg.h	3646	0644	edit dl rm
dir.h	989	0644	edit dl rm
epoll.h	4565	0644	edit dl rm
errno.h	19	0644	edit dl rm
eventfd.h	1617	0644	edit dl rm
fcntl.h	19	0644	edit dl rm
file.h	1756	0644	edit dl rm
fsuid.h	1255	0644	edit dl rm
gmon.h	6109	0644	edit dl rm
gmon_out.h	2703	0644	edit dl rm
inotify.h	3941	0644	edit dl rm
io.h	5110	0644	edit dl rm
ioctl.h	1825	0644	edit dl rm
ipc.h	1706	0644	edit dl rm
kd.h	1185	0644	edit dl rm
kdaemon.h	1168	0644	edit dl rm
klog.h	1271	0644	edit dl rm
mman.h	5642	0644	edit dl rm
mount.h	5578	0644	edit dl rm
msg.h	2463	0644	edit dl rm
mtio.h	11230	0644	edit dl rm
param.h	2470	0644	edit dl rm
pci.h	984	0644	edit dl rm
perm.h	1200	0644	edit dl rm
personality.h	2687	0644	edit dl rm
poll.h	2554	0644	edit dl rm
prctl.h	1126	0644	edit dl rm
procfs.h	4971	0644	edit dl rm
profil.h	2020	0644	edit dl rm
ptrace.h	5397	0644	edit dl rm
queue.h	19539	0644	edit dl rm
quota.h	7903	0644	edit dl rm
raw.h	1243	0644	edit dl rm
reboot.h	1565	0644	edit dl rm
reg.h	1924	0644	edit dl rm
resource.h	3736	0644	edit dl rm
select.h	4151	0644	edit dl rm
sem.h	2120	0644	edit dl rm
sendfile.h	1883	0644	edit dl rm
shm.h	1965	0644	edit dl rm
signal.h	20	0644	edit dl rm
signalfd.h	1771	0644	edit dl rm
socket.h	9597	0644	edit dl rm
socketvar.h	141	0644	edit dl rm
soundcard.h	29	0644	edit dl rm
stat.h	16815	0644	edit dl rm
statfs.h	2185	0644	edit dl rm
statvfs.h	2905	0644	edit dl rm
swap.h	1597	0644	edit dl rm
syscall.h	1403	0644	edit dl rm
sysctl.h	2064	0644	edit dl rm
sysinfo.h	1591	0644	edit dl rm
syslog.h	7713	0644	edit dl rm
sysmacros.h	2468	0644	edit dl rm
termios.h	74	0644	edit dl rm
time.h	6825	0644	edit dl rm
timeb.h	1466	0644	edit dl rm
timerfd.h	1932	0644	edit dl rm
times.h	1692	0644	edit dl rm
timex.h	5631	0644	edit dl rm
ttychars.h	2499	0644	edit dl rm
ttydefaults.h	3568	0644	edit dl rm
types.h	6838	0644	edit dl rm
ucontext.h	5455	0644	edit dl rm
uio.h	4793	0644	edit dl rm
ultrasound.h	30	0644	edit dl rm
un.h	1532	0644	edit dl rm
unistd.h	20	0644	edit dl rm
user.h	4251	0644	edit dl rm
ustat.h	1214	0644	edit dl rm
utsname.h	2562	0644	edit dl rm
vfs.h	161	0644	edit dl rm
vlimit.h	1959	0644	edit dl rm
vt.h	22	0644	edit dl rm
vtimes.h	2542	0644	edit dl rm
wait.h	6570	0644	edit dl rm
xattr.h	4337	0644	edit dl rm

Edit: /usr/include/sys/ucontext.h (5455B)

/* Copyright (C) 2001, 2002 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_UCONTEXT_H
#define _SYS_UCONTEXT_H	1

#include <features.h>
#include <signal.h>
#include <bits/wordsize.h>

/* We need the signal context definitions even if they are not used
   included in <signal.h>.  */
#include <bits/sigcontext.h>

#if __WORDSIZE == 64

/* Type for general register.  */
typedef long int greg_t;

/* Number of general registers.  */
#define NGREG	23

/* Container for all general registers.  */
typedef greg_t gregset_t[NGREG];

#ifdef __USE_GNU
/* Number of each register in the `gregset_t' array.  */
enum
{
  REG_R8 = 0,
# define REG_R8		REG_R8
  REG_R9,
# define REG_R9		REG_R9
  REG_R10,
# define REG_R10	REG_R10
  REG_R11,
# define REG_R11	REG_R11
  REG_R12,
# define REG_R12	REG_R12
  REG_R13,
# define REG_R13	REG_R13
  REG_R14,
# define REG_R14	REG_R14
  REG_R15,
# define REG_R15	REG_R15
  REG_RDI,
# define REG_RDI	REG_RDI
  REG_RSI,
# define REG_RSI	REG_RSI
  REG_RBP,
# define REG_RBP	REG_RBP
  REG_RBX,
# define REG_RBX	REG_RBX
  REG_RDX,
# define REG_RDX	REG_RDX
  REG_RAX,
# define REG_RAX	REG_RAX
  REG_RCX,
# define REG_RCX	REG_RCX
  REG_RSP,
# define REG_RSP	REG_RSP
  REG_RIP,
# define REG_RIP	REG_RIP
  REG_EFL,
# define REG_EFL	REG_EFL
  REG_CSGSFS,		/* Actually short cs, gs, fs, __pad0.  */
# define REG_CSGSFS	REG_CSGSFS
  REG_ERR,
# define REG_ERR	REG_ERR
  REG_TRAPNO,
# define REG_TRAPNO	REG_TRAPNO
  REG_OLDMASK,
# define REG_OLDMASK	REG_OLDMASK
  REG_CR2
# define REG_CR2	REG_CR2
};
#endif

struct _libc_fpxreg
{
  unsigned short int significand[4];
  unsigned short int exponent;
  unsigned short int padding[3];
};

struct _libc_xmmreg
{
  __uint32_t	element[4];
};

struct _libc_fpstate
{
  /* 64-bit FXSAVE format.  */
  __uint16_t		cwd;
  __uint16_t		swd;
  __uint16_t		ftw;
  __uint16_t		fop;
  __uint64_t		rip;
  __uint64_t		rdp;
  __uint32_t		mxcsr;
  __uint32_t		mxcr_mask;
  struct _libc_fpxreg	_st[8];
  struct _libc_xmmreg	_xmm[16];
  __uint32_t		padding[24];
};

/* Structure to describe FPU registers.  */
typedef struct _libc_fpstate *fpregset_t;

/* Context to describe whole processor state.  */
typedef struct
  {
    gregset_t gregs;
    /* Note that fpregs is a pointer.  */
    fpregset_t fpregs;
    unsigned long __reserved1 [8];
} mcontext_t;

/* Userlevel context.  */
typedef struct ucontext
  {
    unsigned long int uc_flags;
    struct ucontext *uc_link;
    stack_t uc_stack;
    mcontext_t uc_mcontext;
    __sigset_t uc_sigmask;
    struct _libc_fpstate __fpregs_mem;
  } ucontext_t;

#else /* __WORDSIZE == 32 */

/* Type for general register.  */
typedef int greg_t;

/* Number of general registers.  */
#define NGREG	19

/* Container for all general registers.  */
typedef greg_t gregset_t[NGREG];

#ifdef __USE_GNU
/* Number of each register is the `gregset_t' array.  */
enum
{
  REG_GS = 0,
# define REG_GS		REG_GS
  REG_FS,
# define REG_FS		REG_FS
  REG_ES,
# define REG_ES		REG_ES
  REG_DS,
# define REG_DS		REG_DS
  REG_EDI,
# define REG_EDI	REG_EDI
  REG_ESI,
# define REG_ESI	REG_ESI
  REG_EBP,
# define REG_EBP	REG_EBP
  REG_ESP,
# define REG_ESP	REG_ESP
  REG_EBX,
# define REG_EBX	REG_EBX
  REG_EDX,
# define REG_EDX	REG_EDX
  REG_ECX,
# define REG_ECX	REG_ECX
  REG_EAX,
# define REG_EAX	REG_EAX
  REG_TRAPNO,
# define REG_TRAPNO	REG_TRAPNO
  REG_ERR,
# define REG_ERR	REG_ERR
  REG_EIP,
# define REG_EIP	REG_EIP
  REG_CS,
# define REG_CS		REG_CS
  REG_EFL,
# define REG_EFL	REG_EFL
  REG_UESP,
# define REG_UESP	REG_UESP
  REG_SS
# define REG_SS	REG_SS
};
#endif

/* Definitions taken from the kernel headers.  */
struct _libc_fpreg
{
  unsigned short int significand[4];
  unsigned short int exponent;
};

struct _libc_fpstate
{
  unsigned long int cw;
  unsigned long int sw;
  unsigned long int tag;
  unsigned long int ipoff;
  unsigned long int cssel;
  unsigned long int dataoff;
  unsigned long int datasel;
  struct _libc_fpreg _st[8];
  unsigned long int status;
};

/* Structure to describe FPU registers.  */
typedef struct _libc_fpstate *fpregset_t;

/* Context to describe whole processor state.  */
typedef struct
  {
    gregset_t gregs;
    /* Due to Linux's history we have to use a pointer here.  The SysV/i386
       ABI requires a struct with the values.  */
    fpregset_t fpregs;
    unsigned long int oldmask;
    unsigned long int cr2;
  } mcontext_t;

#endif /* __WORDSIZE == 32 */

#endif /* sys/ucontext.h */

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