root / lab4 / .minix-src / include / sys / core.h
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1 | 13 | up20180614 | /* $NetBSD: core.h,v 1.12 2009/08/20 22:07:49 he Exp $ */
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2 | |||
3 | /*-
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4 | * Copyright (c) 1998 The NetBSD Foundation, Inc.
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5 | * All rights reserved.
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6 | *
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7 | * This code is derived from software contributed to The NetBSD Foundation
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8 | * by Paul Kranenburg.
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9 | *
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10 | * Redistribution and use in source and binary forms, with or without
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11 | * modification, are permitted provided that the following conditions
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12 | * are met:
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13 | * 1. Redistributions of source code must retain the above copyright
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14 | * notice, this list of conditions and the following disclaimer.
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15 | * 2. Redistributions in binary form must reproduce the above copyright
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16 | * notice, this list of conditions and the following disclaimer in the
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17 | * documentation and/or other materials provided with the distribution.
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18 | *
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19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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29 | * POSSIBILITY OF SUCH DAMAGE.
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30 | */
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31 | |||
32 | #ifndef _SYS_CORE_H_
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33 | #define _SYS_CORE_H_
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34 | |||
35 | #define COREMAGIC 0507 |
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36 | #define CORESEGMAGIC 0510 |
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37 | |||
38 | /*
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39 | * The core structure's c_midmag field (like exec's a_midmag) is a
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40 | * network-byteorder encoding of this int
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41 | * FFFFFFmmmmmmmmmmMMMMMMMMMMMMMMMM
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42 | * Where `F' is 6 bits of flag (currently unused),
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43 | * `m' is 10 bits of machine-id, and
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44 | * `M' is 16 bits worth of magic number, ie. COREMAGIC.
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45 | * The macros below will set/get the needed fields.
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46 | */
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47 | #define CORE_GETMAGIC(c) ( ntohl(((c).c_midmag)) & 0xffff ) |
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48 | #define CORE_GETMID(c) ( (ntohl(((c).c_midmag)) >> 16) & 0x03ff ) |
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49 | #define CORE_GETFLAG(c) ( (ntohl(((c).c_midmag)) >> 26) & 0x03f ) |
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50 | #define CORE_SETMAGIC(c,mag,mid,flag) ( (c).c_midmag = htonl ( \
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51 | ( ((flag) & 0x3f) << 26) | \ |
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52 | ( ((mid) & 0x03ff) << 16) | \ |
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53 | ( ((mag) & 0xffff) ) ) )
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54 | |||
55 | /* Flag definitions */
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56 | #define CORE_CPU 1 |
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57 | #define CORE_DATA 2 |
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58 | #define CORE_STACK 4 |
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59 | |||
60 | #include <sys/aout_mids.h> |
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61 | |||
62 | /*
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63 | * A core file consists of a header followed by a number of segments.
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64 | * Each segment is preceded by a `coreseg' structure giving the
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65 | * segment's type, the virtual address where the bits resided in
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66 | * process address space and the size of the segment.
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67 | *
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68 | * The core header specifies the lengths of the core header itself and
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69 | * each of the following core segment headers to allow for any machine
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70 | * dependent alignment requirements.
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71 | */
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72 | |||
73 | struct core {
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74 | uint32_t c_midmag; /* magic, id, flags */
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75 | uint16_t c_hdrsize; /* Size of this header (machdep algn) */
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76 | uint16_t c_seghdrsize; /* Size of a segment header */
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77 | uint32_t c_nseg; /* # of core segments */
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78 | char c_name[MAXCOMLEN+1]; /* Copy of p->p_comm */ |
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79 | uint32_t c_signo; /* Killing signal */
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80 | u_long c_ucode; /* Hmm ? */
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81 | u_long c_cpusize; /* Size of machine dependent segment */
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82 | u_long c_tsize; /* Size of traditional text segment */
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83 | u_long c_dsize; /* Size of traditional data segment */
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84 | u_long c_ssize; /* Size of traditional stack segment */
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85 | }; |
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86 | |||
87 | struct coreseg {
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88 | uint32_t c_midmag; /* magic, id, flags */
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89 | u_long c_addr; /* Virtual address of segment */
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90 | u_long c_size; /* Size of this segment */
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91 | }; |
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92 | |||
93 | /*
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94 | * 32-bit versions of the above.
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95 | */
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96 | struct core32 {
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97 | uint32_t c_midmag; /* magic, id, flags */
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98 | uint16_t c_hdrsize; /* Size of this header (machdep algn) */
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99 | uint16_t c_seghdrsize; /* Size of a segment header */
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100 | uint32_t c_nseg; /* # of core segments */
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101 | char c_name[MAXCOMLEN+1]; /* Copy of p->p_comm */ |
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102 | uint32_t c_signo; /* Killing signal */
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103 | u_int c_ucode; /* Hmm ? */
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104 | u_int c_cpusize; /* Size of machine dependent segment */
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105 | u_int c_tsize; /* Size of traditional text segment */
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106 | u_int c_dsize; /* Size of traditional data segment */
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107 | u_int c_ssize; /* Size of traditional stack segment */
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108 | }; |
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109 | |||
110 | struct coreseg32 {
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111 | uint32_t c_midmag; /* magic, id, flags */
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112 | u_int c_addr; /* Virtual address of segment */
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113 | u_int c_size; /* Size of this segment */
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114 | }; |
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115 | |||
116 | #endif /* !_SYS_CORE_H_ */ |