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[/] [or1k/] [trunk/] [linux/] [uClibc/] [libc/] [sysdeps/] [linux/] [m68k/] [sys/] [ucontext.h] - Blame information for rev 1325

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1 1325 phoenix
/* Copyright (C) 1997, 1999, 2001 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, write to the Free
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   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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   02111-1307 USA.  */
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/* System V/m68k ABI compliant context switching support.  */
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#ifndef _SYS_UCONTEXT_H
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#define _SYS_UCONTEXT_H 1
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#include <features.h>
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#include <signal.h>
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/* Type for general register.  */
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typedef int greg_t;
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/* Number of general registers.  */
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#define NGREG   18
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/* Container for all general registers.  */
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typedef greg_t gregset_t[NGREG];
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/* Number of each register is the `gregset_t' array.  */
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enum
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{
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  R_D0 = 0,
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#define R_D0    R_D0
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  R_D1 = 1,
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#define R_D1    R_D1
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  R_D2 = 2,
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#define R_D2    R_D2
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  R_D3 = 3,
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#define R_D3    R_D3
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  R_D4 = 4,
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#define R_D4    R_D4
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  R_D5 = 5,
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#define R_D5    R_D5
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  R_D6 = 6,
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#define R_D6    R_D6
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  R_D7 = 7,
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#define R_D7    R_D7
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  R_A0 = 8,
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#define R_A0    R_A0
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  R_A1 = 9,
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#define R_A1    R_A1
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  R_A2 = 10,
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#define R_A2    R_A2
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  R_A3 = 11,
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#define R_A3    R_A3
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  R_A4 = 12,
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#define R_A4    R_A4
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  R_A5 = 13,
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#define R_A5    R_A5
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  R_A6 = 14,
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#define R_A6    R_A6
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  R_A7 = 15,
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#define R_A7    R_A7
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  R_SP = 15,
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#define R_SP    R_SP
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  R_PC = 16,
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#define R_PC    R_PC
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  R_PS = 17
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#define R_PS    R_PS
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};
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/* Structure to describe FPU registers.  */
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typedef struct fpregset
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{
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  int f_fpregs[8][3];
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  int f_pcr;
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  int f_psr;
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  int f_fpiaddr;
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} fpregset_t;
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/* Context to describe whole processor state.  */
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typedef struct
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{
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  int version;
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  gregset_t gregs;
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  fpregset_t fpregs;
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} mcontext_t;
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#define MCONTEXT_VERSION 2
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/* Userlevel context.  */
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typedef struct ucontext
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{
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  unsigned long int uc_flags;
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  struct ucontext *uc_link;
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  __sigset_t uc_sigmask;
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  stack_t uc_stack;
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  mcontext_t uc_mcontext;
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  long int uc_filler[174];
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} ucontext_t;
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#endif /* sys/ucontext.h */

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