| 1 | /* Alpha VMS external format of Extended Image Section Descriptor. |
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| 2 | |
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| 3 | Copyright 2010 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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