sysdeps/unix/sysv/linux/ia64/sys/user.h

   1 /* Copyright (C) 2002-2015 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #ifndef _SYS_USER_H
  19 #define _SYS_USER_H     1
  20
  21 #include <features.h>
  22 #include <sys/types.h>
  23
  24 /* This definition comes directly from the kernel headers.  If
  25    anything changes in them this header has to be changed, too.  */
  26
  27
  28 /* The definition in the kernel has the comment "XXX fix me".  */
  29 #define EF_SIZE         3072
  30
  31
  32 struct user
  33 {
  34   unsigned long int regs[EF_SIZE / 8 + 32];     /* Integer and fp regs.  */
  35   size_t u_tsize;                               /* Text size (pages).  */
  36   size_t u_dsize;                               /* Data size (pages).  */
  37   size_t u_ssize;                               /* Stack size (pages).  */
  38   unsigned long int start_code;                 /* Text starting address.  */
  39   unsigned long int start_data;                 /* Data starting address.  */
  40   unsigned long int start_stack;                /* Stack starting address.  */
  41   long int signal;                              /* Signal causing core dump. */
  42   struct regs *u_ar0;                           /* Help gdb find registers.  */
  43   unsigned long int magic;                      /* Identifies a core file.  */
  44   char u_comm[32];                              /* User command name.  */
  45 };
  46
  47 #define NBPG                    PAGE_SIZE
  48 #define UPAGES                  1
  49 #define HOST_TEXT_START_ADDR    (u.start_code)
  50 #define HOST_DATA_START_ADDR    (u.start_data)
  51 #define HOST_STACK_END_ADDR     (u.start_stack + u.u_ssize * NBPG)
  52
  53 #endif  /* sys/user.h */