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90 lines
2.1 KiB
C
90 lines
2.1 KiB
C
/* struct ucontext definition, C-SKY version.
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Copyright (C) 2018-2020 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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#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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typedef struct
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{
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unsigned long __tls;
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unsigned long __lr;
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unsigned long __pc;
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unsigned long __sr;
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unsigned long __usp;
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/*
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* a0, a1, a2, a3:
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* abiv1: r2, r3, r4, r5
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* abiv2: r0, r1, r2, r3
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*/
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unsigned long __orig_a0;
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unsigned long __a0;
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unsigned long __a1;
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unsigned long __a2;
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unsigned long __a3;
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/*
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* ABIV2: r4 ~ r13
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*/
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unsigned long __regs[10];
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/* r16 ~ r30 */
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unsigned long __exregs[15];
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unsigned long __rhi;
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unsigned long __rlo;
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unsigned long __glibc_reserved;
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} gregset_t;
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typedef struct
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{
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unsigned long __vr[64];
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unsigned long __fcr;
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unsigned long __fesr;
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unsigned long __fid;
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unsigned long __glibc_reserved;
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} fpregset_t;
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/* Context to describe whole processor state. */
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typedef struct
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{
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gregset_t __gregs;
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fpregset_t __fpregs;
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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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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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