text: /* Copyright (C) 1998, 1999, 2001 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/>.  */
  
  /* Linux/AVR32 ABI compliant context switching support.  */
  
  #ifndef _SYS_UCONTEXT_H
  #define _SYS_UCONTEXT_H	1
  
  #include <features.h>
  #include <signal.h>
  #include <sys/procfs.h>
  #include <bits/sigcontext.h>
  
  typedef int greg_t;
  
  /* Number of general registers.  */
  #define NGREG	16
  
  /* Container for all general registers.  */
  typedef elf_gregset_t gregset_t;
  
  /* Number of each register is the `gregset_t' array.  */
  enum
  {
    R0 = 0,
  #define R0	R0
    R1 = 1,
  #define R1	R1
    R2 = 2,
  #define R2	R2
    R3 = 3,
  #define R3	R3
    R4 = 4,
  #define R4	R4
    R5 = 5,
  #define R5	R5
    R6 = 6,
  #define R6	R6
    R7 = 7,
  #define R7	R7
    R8 = 8,
  #define R8	R8
    R9 = 9,
  #define R9	R9
    R10 = 10,
  #define R10	R10
    R11 = 11,
  #define R11	R11
    R12 = 12,
  #define R12	R12
    R13 = 13,
  #define R13	R13
    R14 = 14,
  #define R14	R14
    R15 = 15
  #define R15	R15
  };
  
  /* Structure to describe FPU registers.  */
  typedef elf_fpregset_t	fpregset_t;
  
  /* Context to describe whole processor state.  */
  typedef struct sigcontext mcontext_t;
  
  /* Userlevel context.  */
  typedef struct ucontext
  {
  	unsigned long	uc_flags;
  	struct ucontext	*uc_link;
  	stack_t		uc_stack;
  	mcontext_t	uc_mcontext;
  	sigset_t	uc_sigmask;   /* mask last for extensibility */
  } ucontext_t;
  
  #endif /* sys/ucontext.h */
  