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

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/* Copyright (C) 1998-2018 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library.  If not, see
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   <http://www.gnu.org/licenses/>.  */
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#ifndef _SYS_USER_H
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#define _SYS_USER_H	1
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/* The whole purpose of this file is for GDB and GDB only.  Don't read
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   too much into it.  Don't use it for anything other than GDB unless
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   you know what you are doing.  */
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struct user_fpregs
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{
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  struct fp_reg
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  {
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    unsigned int sign1:1;
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    unsigned int unused:15;
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    unsigned int sign2:1;
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    unsigned int exponent:14;
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    unsigned int j:1;
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    unsigned int mantissa1:31;
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    unsigned int mantissa0:32;
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  } fpregs[8];
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  unsigned int fpsr:32;
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  unsigned int fpcr:32;
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  unsigned char ftype[8];
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  unsigned int init_flag;
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};
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struct user_regs
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{
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  unsigned long int uregs[18];
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};
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struct user
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{
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  struct user_regs regs;	/* General registers */
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  int u_fpvalid;		/* True if math co-processor being used. */
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  unsigned long int u_tsize;	/* Text segment size (pages). */
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  unsigned long int u_dsize;	/* Data segment size (pages). */
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  unsigned long int u_ssize;	/* Stack segment size (pages). */
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  unsigned long start_code;	/* Starting virtual address of text. */
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  unsigned long start_stack;	/* Starting virtual address of stack. */
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  long int signal;     		/* Signal that caused the core dump. */
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  int reserved;			/* No longer used */
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  struct user_regs *u_ar0;	/* help gdb to find the general registers. */
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  unsigned long magic;		/* uniquely identify a core file */
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  char u_comm[32];		/* User command that was responsible */
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  int u_debugreg[8];
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  struct user_fpregs u_fp;	/* Floating point registers */
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  struct user_fpregs *u_fp0;	/* help gdb to find the FP registers. */
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};
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#endif  /* sys/user.h */