glibc/sysdeps/unix/sysv/linux/arm/sys/user.h

/* Copyright (C) 1998, 1999 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 Library General Public License as
   published by the Free Software Foundation; either version 2 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  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

#include <features.h>

/* <sys/ptrace.h> and <linux/ptrace.h> both define the PTRACE_* macros.
   This leads to compilation problems with programs which include both
   user.h and ptrace.h (eg: GDB).  Do not include <linux/ptrace.h> here. */
#include <asm/ptrace.h>

struct user_fp
{
  struct fp_reg
  {
    unsigned int sign1:1;
    unsigned int unused:15;
    unsigned int sign2:1;
    unsigned int exponent:14;
    unsigned int j:1;
    unsigned int mantissa1:31;
    unsigned int mantissa0:32;
  } fpregs[8];
  unsigned int fpsr:32;
  unsigned int fpcr:32;
  unsigned char ftype[8];
  unsigned int init_flag;
};

struct user
{
  struct pt_regs regs;		/* General registers */
  int u_fpvalid;		/* True if math co-processor being used. */

  unsigned long int u_tsize;	/* Text segment size (pages). */
  unsigned long int u_dsize;	/* Data segment size (pages). */
  unsigned long int u_ssize;	/* Stack segment size (pages). */

  unsigned long start_code;	/* Starting virtual address of text. */
  unsigned long start_stack;	/* Starting virtual address of stack. */

  long int signal;     		/* Signal that caused the core dump. */
  int reserved;			/* No longer used */
  struct pt_regs *u_ar0;	/* help gdb to find the general registers. */

  unsigned long magic;		/* uniquely identify a core file */
  char u_comm[32];		/* User command that was responsible */
  int u_debugreg[8];
  struct user_fp u_fp;		/* Floating point registers */
  struct user_fp_struct *u_fp0;	/* help gdb to find the FP registers. */
};

#endif  /* sys/user.h */