diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/s390/sys/ucontext.h')
-rw-r--r-- | sysdeps/unix/sysv/linux/s390/sys/ucontext.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/sys/ucontext.h b/sysdeps/unix/sysv/linux/s390/sys/ucontext.h new file mode 100644 index 0000000000..4723ce1810 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/sys/ucontext.h @@ -0,0 +1,96 @@ +/* Copyright (C) 2000 Free Software Foundation, Inc. + Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com). + 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYS_UCONTEXT_H +#define _SYS_UCONTEXT_H 1 + +#include <features.h> +#include <signal.h> + +/* We need the signal context definitions even if they are not used + included in <signal.h>. */ +#include <bits/sigcontext.h> + + +/* Type for general register. */ +typedef int greg_t; + +/* Number of general registers. */ +#define NGREG 16 + +/* Number of each register is the `gregset_t' array. */ +enum +{ + GPR0 = 0, +#define GPR0 GPR0 + GPR1, +#define GPR1 GPR1 + GPR2, +#define GPR2 GPR2 + GPR3, +#define GPR3 GPR3 + GPR4, +#define GPR4 GPR4 + GPR5, +#define GPR5 GPR5 + GPR6, +#define GPR6 GPR6 + GPR7, +#define GPR7 GPR7 + GPR8, +#define GPR8 GPR8 + GPR9, +#define GPR9 GPR9 + GPRA, +#define GPRA GPRA + GPRB, +#define GPRB GPRB + GPRC, +#define GPRC GPRC + GPRD, +#define GPRD GPRD + GPRE, +#define GPRE GPRE + GPRF +#define GPRF GPRF +}; + +/* Structure to describe FPU registers. */ +typedef long long fpreg_t; + +/* Context to describe whole processor state. */ +typedef struct + { + int version; + greg_t gregs[NGREG]; + fpreg_t fpregs[16]; + } mcontext_t; + +/* Userlevel context. */ +typedef struct ucontext + { + unsigned long int uc_flags; + struct ucontext *uc_links; + __sigset_t uc_sigmask; + stack_t uc_stack; + mcontext_t uc_mcontext; + long int uc_filler[170]; + } ucontext_t; + +#endif /* sys/ucontext.h */ |