glibc/sysdeps/unix/sysv/linux/hppa/sys/ucontext.h
2001-07-06 04:56:23 +00:00

72 lines
2.0 KiB
C

/* Copyright (C) 1997, 1998, 2000, 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. */
/* 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 80
#define NFPREG 32
/* Container for all general registers. */
typedef struct gregset
{
greg_t g_regs[32];
greg_t sr_regs[8];
greg_t cr_regs[24];
greg_t g_pad[16];
} gregset_t;
/* Container for all FPU registers. */
typedef struct fpregset
{
double fp_dregs[32];
} 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 */