diff options
Diffstat (limited to 'libc/sysdeps/linux/i960/sys/ucontext.h')
-rw-r--r-- | libc/sysdeps/linux/i960/sys/ucontext.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/i960/sys/ucontext.h b/libc/sysdeps/linux/i960/sys/ucontext.h new file mode 100644 index 000000000..8c55ea45b --- /dev/null +++ b/libc/sysdeps/linux/i960/sys/ucontext.h @@ -0,0 +1,76 @@ +/* Copyright (C) 1997, 1998, 2000 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. */ + +/* Don't rely on this, the interface is currently messed up and may need to + be broken to be fixed. */ +#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 unsigned long int greg_t; + +/* Number of general registers. */ +#define NGREG 32 /* 16 global and 16 local */ + +/* Container for all general registers. */ +/* gregset_t must be an array. The below declared array corresponds to: +typedef struct gregset { + greg_t g_regs[32]; + greg_t g_hi; + greg_t g_lo; + greg_t g_pad[3]; +} gregset_t; */ +typedef greg_t gregset_t[NGREG]; + +/* Container for all FPU registers. */ +typedef struct fpregset { + /* No floating point registers on most i960 */ + + /* Otherwise, signal the missing implementation */ +#if defined(__i960SB) || defined(__i960KB) +#error Floating point support is not yet implemented for the i960 platform. +#endif +} fpregset_t; + + +/* Context to describe whole processor state. */ +typedef struct + { + gregset_t gregs; + fpregset_t fpregs; + } 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 */ |