From de2abcca5af59ebc11f66fb6fb491e16f50c8166 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Thu, 21 Nov 2002 06:43:23 +0000 Subject: Patch from Yoshinori Sato to update the h8300 architecture. --- libc/sysdeps/linux/h8300/sys/ucontext.h | 75 +++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 libc/sysdeps/linux/h8300/sys/ucontext.h (limited to 'libc/sysdeps/linux/h8300/sys') diff --git a/libc/sysdeps/linux/h8300/sys/ucontext.h b/libc/sysdeps/linux/h8300/sys/ucontext.h new file mode 100644 index 000000000..ffc9ea024 --- /dev/null +++ b/libc/sysdeps/linux/h8300/sys/ucontext.h @@ -0,0 +1,75 @@ +/* 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. */ + +/* H8/300 compliant context switching support. */ + +#ifndef _SYS_UCONTEXT_H +#define _SYS_UCONTEXT_H 1 + +#include +#include + +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 + -- cgit v1.2.3