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83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
/* Copyright (C) 1997-2023 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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<https://www.gnu.org/licenses/>. */
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/* Don't rely on this, the interface is currently messed up and may need to
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be broken to be fixed. */
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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 <bits/types/sigset_t.h>
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#include <bits/types/stack_t.h>
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#ifdef __USE_MISC
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# define __ctx(fld) fld
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#else
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# define __ctx(fld) __ ## fld
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#endif
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#ifdef __USE_MISC
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/* Type for general register. */
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typedef unsigned long int greg_t;
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/* Number of general registers. */
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# define NGREG 80
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# define NFPREG 32
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/* Container for all general registers. */
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typedef struct gregset
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{
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greg_t g_regs[32];
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greg_t sr_regs[8];
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greg_t cr_regs[24];
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greg_t g_pad[16];
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} gregset_t;
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/* Container for all FPU registers. */
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typedef struct
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{
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double fp_dregs[32];
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} fpregset_t;
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#endif
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/* Context to describe whole processor state. */
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typedef struct
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{
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unsigned long int __ctx(sc_flags);
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unsigned long int __ctx(sc_gr)[32];
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unsigned long long int __ctx(sc_fr)[32];
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unsigned long int __ctx(sc_iasq)[2];
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unsigned long int __ctx(sc_iaoq)[2];
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unsigned long int __ctx(sc_sar);
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} mcontext_t;
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/* Userlevel context. */
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typedef struct ucontext_t
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{
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unsigned long int __ctx(uc_flags);
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struct ucontext_t *uc_link;
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stack_t uc_stack;
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mcontext_t uc_mcontext;
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sigset_t uc_sigmask;
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} ucontext_t;
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#undef __ctx
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#endif /* sys/ucontext.h */
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