sysdeps/unix/sysv/linux/microblaze/sys/user.h

   1 /* Copyright (C) 2009-2015 Free Software Foundation, Inc.
   2
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public License as
   7    published by the Free Software Foundation; either version 2.1 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _SYS_USER_H
  20 # define _SYS_USER_H    1
  21
  22 /* The whole purpose of this file is for GDB and GDB only.  Don't read
  23    too much into it.  Don't use it for anything other than GDB unless
  24    you know what you are doing.  */
  25
  26 struct user_fpregs_struct
  27 {
  28   long int cwd;
  29   long int swd;
  30   long int twd;
  31   long int fip;
  32   long int fcs;
  33   long int foo;
  34   long int fos;
  35   long int st_space [20];
  36 };
  37
  38 struct user_regs_struct
  39 {
  40   unsigned int gpr[32];
  41   unsigned int pc;
  42   unsigned int msr;
  43   unsigned int ear;
  44   unsigned int esr;
  45   unsigned int fsr;
  46   unsigned int btr;
  47   unsigned int pvr[12];
  48 };
  49
  50 struct user
  51 {
  52   struct user_regs_struct       regs;
  53   int                           u_fpvalid;
  54   struct user_fpregs_struct     elf_fpregset_t;
  55   unsigned long int             u_tsize;
  56   unsigned long int             u_dsize;
  57   unsigned long int             u_ssize;
  58   unsigned long                 start_code;
  59   unsigned long                 start_stack;
  60   long int                      signal;
  61   int                           reserved;
  62   struct user_regs_struct*      u_ar0;
  63   struct user_fpregs_struct*    u_fpstate;
  64   unsigned long int             magic;
  65   char                          u_comm [32];
  66   int                           u_debugreg [8];
  67 };
  68
  69 # define PAGE_SHIFT             12
  70 # define PAGE_SIZE              (1UL << PAGE_SHIFT)
  71 # define PAGE_MASK              (~(PAGE_SIZE-1))
  72 # define NBPG                   PAGE_SIZE
  73 # define UPAGES         1
  74 # define HOST_TEXT_START_ADDR   (u.start_code)
  75 # define HOST_STACK_END_ADDR    (u.start_stack + u.u_ssize * NBPG)
  76
  77 #endif  /* _SYS_USER_H */