/* Copyright (C) 1997, 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ /* System V/cris ABI compliant context switching support. */ #ifndef _SYS_UCONTEXT_H #define _SYS_UCONTEXT_H 1 #include <features.h> #include <signal.h> #include <bits/sigcontext.h> /* Type for general register. */ typedef long int greg_t; /* Number of general registers. */ #define NGREG 20 /* Container for all general registers. */ typedef greg_t gregset_t[NGREG]; /* 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 R_SP = R14, #define R_SP R_SP R_PC = R15, #define R_PC R_PC }; /* A placeholder; CRIS does not have any fp regs. */ typedef unsigned long fpregset_t; /* A machine context is exactly a sigcontext. */ typedef struct sigcontext mcontext_t; /* Userlevel context. */ typedef struct ucontext { unsigned long int uc_flags; struct ucontext *uc_link; stack_t uc_stack; mcontext_t uc_mcontext; __sigset_t uc_sigmask; } ucontext_t; #endif /* sys/ucontext.h */