FreeBSD/Linux Kernel Cross Reference
sys/sys/reg.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (C) 2014,2019 Andrew Turner
      * Copyright (c) 2014-2015 The FreeBSD Foundation
      *
      * This software was developed by Andrew Turner under
      * sponsorship from the FreeBSD Foundation.
      *
     * This software was developed by SRI International and the University of
     * Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-10-C-0237
     * ("CTSRD"), as part of the DARPA CRASH research programme.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD$
     */
    
    #ifndef _SYS_REG_H_
    #define _SYS_REG_H_
    
    #include <machine/reg.h>
    
    #ifdef _KERNEL
    #include <sys/linker_set.h>
    
    struct sbuf;
    struct regset;
    
    typedef bool (regset_get)(struct regset *, struct thread *, void *,
        size_t *);
    typedef bool (regset_set)(struct regset *, struct thread *, void *, size_t);
    
    struct regset {
            int             note;
            size_t          size;
            regset_get      *get;
            regset_set      *set;
    };
    
    #if defined(__ELF_WORD_SIZE)
    SET_DECLARE(__elfN(regset), struct regset);
    #define ELF_REGSET(_regset)     DATA_SET(__elfN(regset), _regset)
    #endif
    #ifdef COMPAT_FREEBSD32
    SET_DECLARE(elf32_regset, struct regset);
    #define ELF32_REGSET(_regset)   DATA_SET(elf32_regset, _regset)
    #endif
    
    int     fill_regs(struct thread *, struct reg *);
    int     set_regs(struct thread *, struct reg *);
    int     fill_fpregs(struct thread *, struct fpreg *);
    int     set_fpregs(struct thread *, struct fpreg *);
    int     fill_dbregs(struct thread *, struct dbreg *);
    int     set_dbregs(struct thread *, struct dbreg *);
    #ifdef COMPAT_FREEBSD32
    int     fill_regs32(struct thread *, struct reg32 *);
    int     set_regs32(struct thread *, struct reg32 *);
    #ifndef fill_fpregs32
    int     fill_fpregs32(struct thread *, struct fpreg32 *);
    #endif
    #ifndef set_fpregs32
    int     set_fpregs32(struct thread *, struct fpreg32 *);
    #endif
    #ifndef fill_dbregs32
    int     fill_dbregs32(struct thread *, struct dbreg32 *);
    #endif
    #ifndef set_dbregs32
    int     set_dbregs32(struct thread *, struct dbreg32 *);
    #endif
    #endif
    #endif
    
    #endif

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