1 /* Alpha VMS external format of Extended Image Header. 2 3 Copyright (C) 2010-2021 Free Software Foundation, Inc. 4 Written by Tristan Gingold <gingold@adacore.com>, AdaCore. 5 6 This file is part of BFD, the Binary File Descriptor library. 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 3 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program; if not, write to the Free Software 20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 21 MA 02110-1301, USA. */ 22 23 #ifndef _VMS_EIHD_H 24 #define _VMS_EIHD_H 25 26 /* Extended Image Header (eihd) structure. */ 27 struct vms_eihd 28 { 29 /* Version of this EIHD. */ 30 unsigned char majorid[4]; 31 unsigned char minorid[4]; 32 33 /* Size in bytes of the header. */ 34 unsigned char size[4]; 35 36 /* Byte offset to ISD (Image Section Descriptors) list. */ 37 unsigned char isdoff[4]; 38 39 /* Byte offset to activation data (off=16). */ 40 unsigned char activoff[4]; 41 42 /* Byte offset to symbol table and debugging data. */ 43 unsigned char symdbgoff[4]; 44 45 /* Byte offset to image ident. */ 46 unsigned char imgidoff[4]; 47 48 /* Byte offset to patch data. */ 49 unsigned char patchoff[4]; 50 51 /* RVA of fixup info (off=32). */ 52 unsigned char iafva[8]; 53 54 /* RVA of symbol vector. */ 55 unsigned char symvva[8]; 56 57 /* Byte offset to version number array (off=48). */ 58 unsigned char version_array_off[4]; 59 60 /* Image type. */ 61 unsigned char imgtype[4]; 62 63 /* Image subtype. */ 64 unsigned char subtype[4]; 65 66 /* Size in bytes of image I/O section requested. */ 67 unsigned char imgiocnt[4]; 68 69 /* Nbr of channels requested (off=64). */ 70 unsigned char iochancnt[4]; 71 72 /* Requested privilege mask. */ 73 unsigned char privreqs[8]; 74 75 /* Number of header diskblocks. */ 76 unsigned char hdrblkcnt[4]; 77 78 /* Linker produced image flags. */ 79 unsigned char lnkflags[4]; 80 81 /* GBL SEC ident value for linkable image. */ 82 unsigned char ident[4]; 83 84 /* SYS$K_VERSION or 0 if not linked with exec. */ 85 unsigned char sysver[4]; 86 87 /* Linker match control. */ 88 unsigned char matchctl; 89 unsigned char fill_1[3]; 90 91 /* Size of the symbol vector in bytes. */ 92 unsigned char symvect_size[4]; 93 94 /* Value of /BPAGE. */ 95 unsigned char virt_mem_block_size[4]; 96 97 /* Byte offset to extended fixup data. */ 98 unsigned char ext_fixup_off[4]; 99 100 /* Byte offset to no_optimize psect table. */ 101 unsigned char noopt_psect_off[4]; 102 103 unsigned char fill_2[398]; 104 105 /* CODE identifies image type to MOM. */ 106 unsigned char alias[2]; 107 }; 108 109 #define EIHD__K_MAJORID 3 /* Major id constant */ 110 #define EIHD__K_MINORID 0 /* Minor id constant */ 111 112 /* Image type. */ 113 #define EIHD__K_EXE 1 /* Executable image */ 114 #define EIHD__K_LIM 2 /* Linkable image. */ 115 116 /* Image subtype. */ 117 #define EIHD__C_NATIVE 0 /* Alpha native image. */ 118 #define EIHD__C_CLI 1 /* Image is a CLI, run LOGINOUT. */ 119 120 /* Linker image flags. */ 121 #define EIHD__M_LNKDEBUG 0x0001 /* Full debugging requested. */ 122 #define EIHD__M_LNKNOTFR 0x0002 /* No first transfer address. */ 123 #define EIHD__M_NOP0BUFS 0x0004 /* No RMS use of P0 for image I/O. */ 124 #define EIHD__M_PICIMG 0x0008 /* PIC image. */ 125 #define EIHD__M_P0IMAGE 0x0010 /* P0 only image. */ 126 #define EIHD__M_DBGDMT 0x0020 /* Image header has dmt fields. */ 127 #define EIHD__M_INISHR 0x0040 /* Transfer array contains LNISHR. */ 128 #define EIHD__M_XLATED 0x0080 /* Translated image. */ 129 #define EIHD__M_BIND_CODE_SEC 0x0100 /* EXE sect can be put into S0. */ 130 #define EIHD__M_BIND_DATA_SEC 0x0200 /* DATA sect can be put into S0. */ 131 #define EIHD__M_MKTHREADS 0x0400 /* Multiple kernel threads. */ 132 #define EIHD__M_UPCALLS 0x0800 /* Upcalls enabled. */ 133 #define EIHD__M_OMV_READY 0x1000 /* Can be processed by OMV. */ 134 #define EIHD__M_EXT_BIND_SECT 0x2000 /* May be moved, using ext fixups. */ 135 136 /* Offsets of some fields. */ 137 #define EIHD__L_SIZE 8 138 #define EIHD__L_ISDOFF 12 139 #define EIHD__L_SYMDBGOFF 20 140 #define EIHD__Q_SYMVVA 40 141 #define EIHD__L_IMGTYPE 52 142 143 #define EIHD__C_LENGTH 104 144 145 #endif /* _VMS_EIHD_H */ 146