/* 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, see <http://www.gnu.org/licenses/>. */ /* H8/300 compliant context switching support. */ #ifndef _SYS_UCONTEXT_H #define _SYS_UCONTEXT_H 1 #include <features.h> #include <signal.h> typedef int greg_t; /* Number of general registers. */ #define NFPREG 8 /* Container for all general registers. */ typedef greg_t gregset_t[NFPREG]; #ifdef __USE_GNU /* Number of each register is the `gregset_t' array. */ enum { ER0 = 0, #define ER0 ER0 ER1 = 1, #define ER1 ER1 ER2 = 2, #define ER2 ER2 ER3 = 3, #define ER3 ER3 ER4 = 4, #define ER4 ER4 ER5 = 5, #define ER5 ER5 ER6 = 6, #define ER6 ER6 ER7 = 7, #define ER7 ER7 }; #endif /* Context to describe whole processor state. */ typedef struct { gregset_t gregs; } 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