88 lines
3.7 KiB
C
88 lines
3.7 KiB
C
/* $NetBSD: core.h,v 1.4 1994/10/29 08:20:14 cgd Exp $ */
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/*
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* Copyright (c) 1994 Paul Kranenburg
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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 Paul Kranenburg.
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* 4. The name of the author 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 THE AUTHOR ``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 THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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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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/*
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* A core file consists of a header followed by a number of segments.
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* Each segment is preceeded 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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u_int32_t c_midmag; /* magic, id, flags */
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u_int16_t c_hdrsize; /* Size of this header (machdep algn) */
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u_int16_t c_seghdrsize; /* Size of a segment header */
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u_int32_t c_nseg; /* # of core segments */
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char c_name[MAXCOMLEN+1]; /* Copy of p->p_comm */
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u_int32_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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u_int32_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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