glibc/sysdeps/unix/sysv/linux/mips/sys/user.h
2012-03-09 23:56:38 +00:00

219 lines
6.0 KiB
C

/* Copyright (C) 2002, 2003, 2004 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, see
<http://www.gnu.org/licenses/>. */
#ifndef _SYS_USER_H
#define _SYS_USER_H 1
#include <sgidefs.h>
/* 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 == _ABIO32
/*
* 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 != _ABIO32 */
/*
* 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 != _ABIO32 */
#if _MIPS_SIM == _ABIO32
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
#define PAGE_SHIFT 12
#define PAGE_SIZE (1UL << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE-1))
#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 */