/* Copyright (C) 1998-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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/* System V/AArch64 ABI compliant context switching support. */
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#ifndef _SYS_UCONTEXT_H
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#define _SYS_UCONTEXT_H 1
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#include <features.h>
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#include <signal.h>
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#include <sys/procfs.h>
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/* We need the signal context definitions even if they are not used
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included in <signal.h>. */
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#include <bits/sigcontext.h>
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typedef elf_greg_t greg_t;
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/* Container for all general registers. */
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typedef elf_gregset_t gregset_t;
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/* Structure to describe FPU registers. */
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typedef elf_fpregset_t fpregset_t;
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/* Context to describe whole processor state. This only describes
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the core registers; coprocessor registers get saved elsewhere
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(e.g. in uc_regspace, or somewhere unspecified on the stack
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during non-RT signal handlers). */
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typedef struct sigcontext mcontext_t;
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/* Userlevel context. */
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typedef struct ucontext
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{
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unsigned long uc_flags;
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struct ucontext *uc_link;
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stack_t uc_stack;
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__sigset_t uc_sigmask;
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mcontext_t uc_mcontext;
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} ucontext_t;
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#endif /* sys/ucontext.h */
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