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65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/* struct ucontext definition.
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Copyright (C) 2022-2025 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 LARCH_NGREG 32
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#define LARCH_REG_RA 1
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#define LARCH_REG_SP 3
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#define LARCH_REG_S0 23
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#define LARCH_REG_S1 24
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#define LARCH_REG_A0 4
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#define LARCH_REG_S2 25
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#define LARCH_REG_NARGS 8
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typedef unsigned long int greg_t;
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/* Container for all general registers. */
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typedef greg_t gregset_t[32];
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#endif
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typedef struct mcontext_t
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{
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unsigned long long __pc;
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unsigned long long __gregs[32];
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unsigned int __flags;
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unsigned long long __extcontext[0] __attribute__((__aligned__(16)));
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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 __uc_flags;
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struct ucontext_t *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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