FreeBSD/Linux Kernel Cross Reference
sys/powerpc/include/proc.h

     /*-
      * SPDX-License-Identifier: BSD-4-Clause
      *
      * Copyright (C) 1995, 1996 Wolfgang Solfrank.
      * Copyright (C) 1995, 1996 TooLs GmbH.
      * All rights reserved.
      *
      * 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.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by TooLs GmbH.
     * 4. The name of TooLs GmbH may not be used to endorse or promote products
     *    derived from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
     *
     *      $NetBSD: proc.h,v 1.2 1997/04/16 22:57:48 thorpej Exp $
     * $FreeBSD$
     */
    
    #ifndef _MACHINE_PROC_H_
    #define _MACHINE_PROC_H_
    
    /*
     * Machine-dependent part of the proc structure
     */
    struct mdthread {
            int     md_spinlock_count;      /* (k) */
            register_t md_saved_msr;        /* (k) */
    };
    
    struct mdproc {
            /*
             * Avoid empty structs because they are undefined behavior.
             */
            long    md_spare;
    };
    
    #ifdef __powerpc64__
    #define KINFO_PROC_SIZE 1088
    #define KINFO_PROC32_SIZE 816
    #else
    #define KINFO_PROC_SIZE 816
    #endif
    
    #ifdef _KERNEL
    
    #include <machine/pcb.h>
    
    /* Get the current kernel thread stack usage. */
    #define GET_STACK_USAGE(total, used) do {                               \
            struct thread *td = curthread;                                  \
            (total) = td->td_kstack_pages * PAGE_SIZE - sizeof(struct pcb); \
            (used) = td->td_kstack + (total) - (vm_offset_t)&td;            \
    } while (0)
    #endif
    
    #endif /* !_MACHINE_PROC_H_ */

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