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/*        $NetBSD: core.h,v 1.12 2009/08/20 22:07:49 he Exp $        */
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/*-
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 * Copyright (c) 1998 The NetBSD Foundation, Inc.
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 * All rights reserved.
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 *
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 * This code is derived from software contributed to The NetBSD Foundation
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 * by Paul Kranenburg.
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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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 *
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 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 * POSSIBILITY OF SUCH DAMAGE.
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 */
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#ifndef _SYS_CORE_H_
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#define _SYS_CORE_H_
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#define COREMAGIC        0507
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#define CORESEGMAGIC        0510
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/*
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 * The core structure's c_midmag field (like exec's a_midmag) is a
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 * network-byteorder encoding of this int
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 *        FFFFFFmmmmmmmmmmMMMMMMMMMMMMMMMM
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 * Where `F' is 6 bits of flag (currently unused),
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 *       `m' is 10 bits of machine-id, and
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 *       `M' is 16 bits worth of magic number, ie. COREMAGIC.
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 * The macros below will set/get the needed fields.
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 */
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#define        CORE_GETMAGIC(c)  (  ntohl(((c).c_midmag))        & 0xffff )
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#define        CORE_GETMID(c)    ( (ntohl(((c).c_midmag)) >> 16) & 0x03ff )
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#define        CORE_GETFLAG(c)   ( (ntohl(((c).c_midmag)) >> 26) & 0x03f  )
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#define        CORE_SETMAGIC(c,mag,mid,flag) ( (c).c_midmag = htonl ( \
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                        ( ((flag) & 0x3f)   << 26) | \
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                        ( ((mid)  & 0x03ff) << 16) | \
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                        ( ((mag)  & 0xffff)      ) ) )
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/* Flag definitions */
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#define CORE_CPU        1
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#define CORE_DATA        2
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#define CORE_STACK        4
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#include <sys/aout_mids.h>
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/*
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 * A core file consists of a header followed by a number of segments.
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 * Each segment is preceded by a `coreseg' structure giving the
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 * segment's type, the virtual address where the bits resided in
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 * process address space and the size of the segment.
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 *
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 * The core header specifies the lengths of the core header itself and
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 * each of the following core segment headers to allow for any machine
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 * dependent alignment requirements.
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 */
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struct core {
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        uint32_t c_midmag;                /* magic, id, flags */
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        uint16_t c_hdrsize;                /* Size of this header (machdep algn) */
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        uint16_t c_seghdrsize;                /* Size of a segment header */
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        uint32_t c_nseg;                /* # of core segments */
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        char        c_name[MAXCOMLEN+1];        /* Copy of p->p_comm */
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        uint32_t c_signo;                /* Killing signal */
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        u_long        c_ucode;                /* Hmm ? */
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        u_long        c_cpusize;                /* Size of machine dependent segment */
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        u_long        c_tsize;                /* Size of traditional text segment */
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        u_long        c_dsize;                /* Size of traditional data segment */
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        u_long        c_ssize;                /* Size of traditional stack segment */
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};
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struct coreseg {
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        uint32_t c_midmag;                /* magic, id, flags */
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        u_long        c_addr;                        /* Virtual address of segment */
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        u_long        c_size;                        /* Size of this segment */
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};
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/*
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 * 32-bit versions of the above.
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 */
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struct core32 {
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        uint32_t c_midmag;                /* magic, id, flags */
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        uint16_t c_hdrsize;                /* Size of this header (machdep algn) */
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        uint16_t c_seghdrsize;                /* Size of a segment header */
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        uint32_t c_nseg;                /* # of core segments */
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        char        c_name[MAXCOMLEN+1];        /* Copy of p->p_comm */
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        uint32_t c_signo;                /* Killing signal */
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        u_int        c_ucode;                /* Hmm ? */
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        u_int        c_cpusize;                /* Size of machine dependent segment */
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        u_int        c_tsize;                /* Size of traditional text segment */
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        u_int        c_dsize;                /* Size of traditional data segment */
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        u_int        c_ssize;                /* Size of traditional stack segment */
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};
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struct coreseg32 {
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        uint32_t c_midmag;                /* magic, id, flags */
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        u_int        c_addr;                        /* Virtual address of segment */
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        u_int        c_size;                        /* Size of this segment */
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};
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#endif /* !_SYS_CORE_H_ */