| 1 | /* Alpha VMS external format of Extended Image Section Descriptor.
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| 2 |
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| 3 | Copyright (C) 2010-2016 Free Software Foundation, Inc.
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| 4 | Written by Tristan Gingold <gingold@adacore.com>, AdaCore.
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| 5 |
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| 6 | This file is part of BFD, the Binary File Descriptor library.
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| 7 |
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| 8 | This program is free software; you can redistribute it and/or modify
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| 9 | it under the terms of the GNU General Public License as published by
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| 10 | the Free Software Foundation; either version 3 of the License, or
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| 11 | (at your option) any later version.
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| 12 |
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| 13 | This program is distributed in the hope that it will be useful,
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | GNU General Public License for more details.
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| 17 |
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| 18 | You should have received a copy of the GNU General Public License
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| 19 | along with this program; if not, write to the Free Software
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| 20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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| 21 | MA 02110-1301, USA. */
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| 22 |
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| 23 | #ifndef _VMS_EISD_H
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| 24 | #define _VMS_EISD_H
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| 25 |
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| 26 | /* Flags. */
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| 27 | #define EISD__M_GBL 0x0001 /* Global. */
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| 28 | #define EISD__M_CRF 0x0002 /* Copy on reference. */
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| 29 | #define EISD__M_DZRO 0x0004 /* Demand zero page. */
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| 30 | #define EISD__M_WRT 0x0008 /* Writable. */
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| 31 | #define EISD__M_INITALCODE 0x0010 /* Part of initialization code. */
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| 32 | #define EISD__M_BASED 0x0020 /* Isect is based. */
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| 33 | #define EISD__M_FIXUPVEC 0x0040 /* Isect is fixup section. */
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| 34 | #define EISD__M_RESIDENT 0x0080 /* Isect is memory resident. */
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| 35 | #define EISD__M_VECTOR 0x0100 /* Vector contained in isect. */
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| 36 | #define EISD__M_PROTECT 0x0200 /* Isect is protected. */
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| 37 | #define EISD__M_LASTCLU 0x0400 /* Last cluster. */
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| 38 | #define EISD__M_EXE 0x0800 /* Code isect. */
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| 39 | #define EISD__M_NONSHRADR 0x1000 /* Contains non-shareable data. */
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| 40 | #define EISD__M_QUAD_LENGTH 0x2000 /* Quad length field valid. */
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| 41 | #define EISD__M_ALLOC_64BIT 0x4000 /* Allocate 64-bit space. */
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| 42 |
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| 43 | #define EISD__K_LEN 36
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| 44 | #define EISD__K_LENEND 12 /* For end marker or next block. */
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| 45 | #define EISD__K_MAXLENGLBL 84
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| 46 |
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| 47 | #define EISD__K_GBLNAMLEN 44 /* Size of the field. */
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| 48 |
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| 49 | struct vms_eisd
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| 50 | {
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| 51 | unsigned char majorid[4];
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| 52 | unsigned char minorid[4];
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| 53 |
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| 54 | /* Size (in bytes) of this eisd. */
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| 55 | unsigned char eisdsize[4];
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| 56 |
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| 57 | /* Size (in bytes) of the section. */
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| 58 | unsigned char secsize[4];
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| 59 |
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| 60 | /* Virtual address of the section. */
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| 61 | unsigned char virt_addr[8];
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| 62 |
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| 63 | /* Flags. */
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| 64 | unsigned char flags[4];
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| 65 |
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| 66 | /* Base virtual block number. */
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| 67 | unsigned char vbn[4];
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| 68 |
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| 69 | /* Page fault cluster. */
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| 70 | unsigned char pfc;
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| 71 |
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| 72 | /* Linker match control. */
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| 73 | unsigned char matchctl;
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| 74 |
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| 75 | /* Section type. */
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| 76 | unsigned char type;
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| 77 |
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| 78 | unsigned char fill_1;
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| 79 |
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| 80 | /* End of structure for normal records. */
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| 81 |
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| 82 | /* Ident for global section. */
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| 83 | unsigned char ident[4];
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| 84 |
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| 85 | /* Global name ascic. First 8 bytes are quad length field. */
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| 86 | unsigned char gblnam[EISD__K_GBLNAMLEN];
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| 87 | };
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| 88 |
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| 89 | /* Versions. */
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| 90 | #define EISD__K_MAJORID 1
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| 91 | #define EISD__K_MINORID 1
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| 92 |
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| 93 | /* Match control. */
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| 94 | #define EISD__K_MATALL 0 /* Match always. */
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| 95 | #define EISD__K_MATEQU 1 /* Match if equal. */
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| 96 | #define EISD__K_MATLEQ 2 /* Match if less or equal. */
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| 97 | #define EISD__K_MATNEV 3 /* Match never. */
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| 98 |
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| 99 | /* Section type. */
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| 100 | #define EISD__K_NORMAL 0 /* Normal program image section. */
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| 101 | #define EISD__K_SHRFXD 1 /* Shareable fixed section. */
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| 102 | #define EISD__K_PRVFXD 2 /* Private fixed section. */
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| 103 | #define EISD__K_SHRPIC 3 /* Shareable pic section. */
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| 104 | #define EISD__K_PRVPIC 4 /* Private PIC section. */
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| 105 | #define EISD__K_USRSTACK 253 /* User stack section. */
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| 106 |
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| 107 | /* EISD offsets. */
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| 108 |
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| 109 | #define EISD__L_EISDSIZE 8
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| 110 | #define EISD__L_SECSIZE 12
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| 111 | #define EISD__Q_VIR_ADDR 16
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| 112 | #define EISD__L_FLAGS 24
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| 113 | #define EISD__L_VBN 28
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| 114 | #define EISD__R_CONTROL 32
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| 115 | #define EISD__L_IDENT 36
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| 116 | #define EISD__T_GBLNAM 40
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| 117 |
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| 118 | #endif /* _VMS_EISD_H */
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