source: svn/trunk/newcon3bcm2_21bu/toolchain/mipsel-linux-uclibc/include/sys/user.h

/* Copyright (C) 2002, 2003 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_USER_H
#define _SYS_USER_H     1

/* The whole purpose of this file is for GDB and GDB only.  Don't read
   too much into it.  Don't use it for anything other than GDB unless
   you know what you are doing.  */

/* #include <asm/reg.h> */
/* Instead of including the kernel header, that will vary depending on
   whether the 32- or the 64-bit kernel is installed, we paste its
   contents here.  Note that the fact that the file is inline here,
   instead of included separately, doesn't change in any way the
   licensing status of a program that includes user.h.  Since this is
   for gdb alone, and gdb is GPLed, no surprises here.  */
#if _MIPS_SIM == _MIPS_SIM_ABI32
/*
 * Various register offset definitions for debuggers, core file
 * examiners and whatnot.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1995, 1999 by Ralf Baechle
 */
#ifndef __ASM_MIPS_REG_H
#define __ASM_MIPS_REG_H

/*
 * This defines/structures correspond to the register layout on stack -
 * if the order here is changed, it needs to be updated in
 * include/asm-mips/stackframe.h
 */
#define EF_REG0                 6
#define EF_REG1                 7
#define EF_REG2                 8
#define EF_REG3                 9
#define EF_REG4                 10
#define EF_REG5                 11
#define EF_REG6                 12
#define EF_REG7                 13
#define EF_REG8                 14
#define EF_REG9                 15
#define EF_REG10                16
#define EF_REG11                17
#define EF_REG12                18
#define EF_REG13                19
#define EF_REG14                20
#define EF_REG15                21
#define EF_REG16                22
#define EF_REG17                23
#define EF_REG18                24
#define EF_REG19                25
#define EF_REG20                26
#define EF_REG21                27
#define EF_REG22                28
#define EF_REG23                29
#define EF_REG24                30
#define EF_REG25                31
/*
 * k0/k1 unsaved
 */
#define EF_REG28                34
#define EF_REG29                35
#define EF_REG30                36
#define EF_REG31                37

/*
 * Saved special registers
 */
#define EF_LO                   38
#define EF_HI                   39

#define EF_CP0_EPC              40
#define EF_CP0_BADVADDR         41
#define EF_CP0_STATUS           42
#define EF_CP0_CAUSE            43

#define EF_SIZE                 180     /* size in bytes */

#endif /* __ASM_MIPS_REG_H */

#else /* _MIPS_SIM != _MIPS_SIM_ABI32 */

/*
 * Various register offset definitions for debuggers, core file
 * examiners and whatnot.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1995, 1999 Ralf Baechle
 * Copyright (C) 1995, 1999 Silicon Graphics
 */
#ifndef _ASM_REG_H
#define _ASM_REG_H

/*
 * This defines/structures correspond to the register layout on stack -
 * if the order here is changed, it needs to be updated in
 * include/asm-mips/stackframe.h
 */
#define EF_REG0                  0
#define EF_REG1                  1
#define EF_REG2                  2
#define EF_REG3                  3
#define EF_REG4                  4
#define EF_REG5                  5
#define EF_REG6                  6
#define EF_REG7                  7
#define EF_REG8                  8
#define EF_REG9                  9
#define EF_REG10                10
#define EF_REG11                11
#define EF_REG12                12
#define EF_REG13                13
#define EF_REG14                14
#define EF_REG15                15
#define EF_REG16                16
#define EF_REG17                17
#define EF_REG18                18
#define EF_REG19                19
#define EF_REG20                20
#define EF_REG21                21
#define EF_REG22                22
#define EF_REG23                23
#define EF_REG24                24
#define EF_REG25                25
/*
 * k0/k1 unsaved
 */
#define EF_REG28                28
#define EF_REG29                29
#define EF_REG30                30
#define EF_REG31                31

/*
 * Saved special registers
 */
#define EF_LO                   32
#define EF_HI                   33

#define EF_CP0_EPC              34
#define EF_CP0_BADVADDR         35
#define EF_CP0_STATUS           36
#define EF_CP0_CAUSE            37

#define EF_SIZE                 304     /* size in bytes */

#endif /* _ASM_REG_H */

#endif /* _MIPS_SIM != _MIPS_SIM_ABI32 */

#if _MIPS_SIM == _MIPS_SIM_ABI32

struct user
{
  unsigned long regs[EF_SIZE/4+64];     /* integer and fp regs */
  size_t        u_tsize;                /* text size (pages) */
  size_t        u_dsize;                /* data size (pages) */
  size_t        u_ssize;                /* stack size (pages) */
  unsigned long start_code;             /* text starting address */
  unsigned long start_data;             /* data starting address */
  unsigned long start_stack;            /* stack starting address */
  long int      signal;                 /* signal causing core dump */
  void*         u_ar0;                  /* help gdb find registers */
  unsigned long magic;                  /* identifies a core file */
  char          u_comm[32];             /* user command name */
};

#else

struct user {
  __extension__ unsigned long   regs[EF_SIZE/8+64]; /* integer and fp regs */
  __extension__ unsigned long   u_tsize;        /* text size (pages) */
  __extension__ unsigned long   u_dsize;        /* data size (pages) */
  __extension__ unsigned long   u_ssize;        /* stack size (pages) */
  __extension__ unsigned long long start_code;  /* text starting address */
  __extension__ unsigned long long start_data;  /* data starting address */
  __extension__ unsigned long long start_stack; /* stack starting address */
  __extension__ long long       signal;         /* signal causing core dump */
  __extension__ unsigned long long u_ar0;       /* help gdb find registers */
  __extension__ unsigned long long magic;       /* identifies a core file */
  char          u_comm[32];             /* user command name */
};

#endif

#include <bits/uClibc_page.h>
#define NBPG                    PAGE_SIZE
#define UPAGES                  1
#define HOST_TEXT_START_ADDR    (u.start_code)
#define HOST_DATA_START_ADDR    (u.start_data)
#define HOST_STACK_END_ADDR     (u.start_stack + u.u_ssize * NBPG)

#endif  /* _SYS_USER_H */