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92 lines
3.3 KiB
C
92 lines
3.3 KiB
C
/*-
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* SPDX-License-Identifier: BSD-4-Clause
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*
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* Copyright (C) 1995, 1996 Wolfgang Solfrank.
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* Copyright (C) 1995, 1996 TooLs GmbH.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by TooLs GmbH.
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* 4. The name of TooLs GmbH may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $NetBSD: signal.h,v 1.4 1998/09/14 02:48:34 thorpej Exp $
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*/
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#ifndef _MACHINE_UCONTEXT_H_
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#define _MACHINE_UCONTEXT_H_
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typedef struct __mcontext {
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int mc_vers;
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int mc_flags;
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#define _MC_FP_VALID 0x01
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#define _MC_AV_VALID 0x02
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int mc_onstack; /* saved onstack flag */
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int mc_len; /* sizeof(__mcontext) */
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__uint64_t mc_avec[32*2]; /* vector register file */
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__uint32_t mc_av[2];
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__register_t mc_frame[42];
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__uint64_t mc_fpreg[33];
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__uint64_t mc_vsxfpreg[32]; /* low-order half of VSR0-31 */
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} mcontext_t __aligned(16);
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#if defined(_KERNEL) && defined(__powerpc64__)
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typedef struct __mcontext32 {
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int mc_vers;
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int mc_flags;
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#define _MC_FP_VALID 0x01
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#define _MC_AV_VALID 0x02
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int mc_onstack; /* saved onstack flag */
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int mc_len; /* sizeof(__mcontext) */
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uint64_t mc_avec[32*2]; /* vector register file */
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uint32_t mc_av[2];
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uint32_t mc_frame[42];
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uint64_t mc_fpreg[33];
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uint64_t mc_vsxfpreg[32]; /* low-order half of VSR0-31 */
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} mcontext32_t __aligned(16);
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#endif
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/* GPRs and supervisor-level regs */
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#define mc_gpr mc_frame
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#define mc_lr mc_frame[32]
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#define mc_cr mc_frame[33]
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#define mc_xer mc_frame[34]
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#define mc_ctr mc_frame[35]
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#define mc_srr0 mc_frame[36]
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#define mc_srr1 mc_frame[37]
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#define mc_exc mc_frame[38]
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#define mc_dar mc_frame[39]
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#define mc_dsisr mc_frame[40]
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/* floating-point state */
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#define mc_fpscr mc_fpreg[32]
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/* altivec state */
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#define mc_vscr mc_av[0]
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#define mc_vrsave mc_av[1]
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#define _MC_VERSION 0x1
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#define _MC_VERSION_KSE 0xee /* partial ucontext for libpthread */
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#endif /* !_MACHINE_UCONTEXT_H_ */
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