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/* Alpha VMS external format of Extended Image Header.
Copyright (C) 2010-2022 Free Software Foundation, Inc.
Written by Tristan Gingold <gingold@adacore.com>, AdaCore.
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#ifndef _VMS_EIHD_H
#define _VMS_EIHD_H
/* Extended Image Header (eihd) structure. */
struct vms_eihd
{
/* Version of this EIHD. */
unsigned char majorid[4];
unsigned char minorid[4];
/* Size in bytes of the header. */
unsigned char size[4];
/* Byte offset to ISD (Image Section Descriptors) list. */
unsigned char isdoff[4];
/* Byte offset to activation data (off=16). */
unsigned char activoff[4];
/* Byte offset to symbol table and debugging data. */
unsigned char symdbgoff[4];
/* Byte offset to image ident. */
unsigned char imgidoff[4];
/* Byte offset to patch data. */
unsigned char patchoff[4];
/* RVA of fixup info (off=32). */
unsigned char iafva[8];
/* RVA of symbol vector. */
unsigned char symvva[8];
/* Byte offset to version number array (off=48). */
unsigned char version_array_off[4];
/* Image type. */
unsigned char imgtype[4];
/* Image subtype. */
unsigned char subtype[4];
/* Size in bytes of image I/O section requested. */
unsigned char imgiocnt[4];
/* Nbr of channels requested (off=64). */
unsigned char iochancnt[4];
/* Requested privilege mask. */
unsigned char privreqs[8];
/* Number of header diskblocks. */
unsigned char hdrblkcnt[4];
/* Linker produced image flags. */
unsigned char lnkflags[4];
/* GBL SEC ident value for linkable image. */
unsigned char ident[4];
/* SYS$K_VERSION or 0 if not linked with exec. */
unsigned char sysver[4];
/* Linker match control. */
unsigned char matchctl;
unsigned char fill_1[3];
/* Size of the symbol vector in bytes. */
unsigned char symvect_size[4];
/* Value of /BPAGE. */
unsigned char virt_mem_block_size[4];
/* Byte offset to extended fixup data. */
unsigned char ext_fixup_off[4];
/* Byte offset to no_optimize psect table. */
unsigned char noopt_psect_off[4];
unsigned char fill_2[398];
/* CODE identifies image type to MOM. */
unsigned char alias[2];
};
#define EIHD__K_MAJORID 3 /* Major id constant */
#define EIHD__K_MINORID 0 /* Minor id constant */
/* Image type. */
#define EIHD__K_EXE 1 /* Executable image */
#define EIHD__K_LIM 2 /* Linkable image. */
/* Image subtype. */
#define EIHD__C_NATIVE 0 /* Alpha native image. */
#define EIHD__C_CLI 1 /* Image is a CLI, run LOGINOUT. */
/* Linker image flags. */
#define EIHD__M_LNKDEBUG 0x0001 /* Full debugging requested. */
#define EIHD__M_LNKNOTFR 0x0002 /* No first transfer address. */
#define EIHD__M_NOP0BUFS 0x0004 /* No RMS use of P0 for image I/O. */
#define EIHD__M_PICIMG 0x0008 /* PIC image. */
#define EIHD__M_P0IMAGE 0x0010 /* P0 only image. */
#define EIHD__M_DBGDMT 0x0020 /* Image header has dmt fields. */
#define EIHD__M_INISHR 0x0040 /* Transfer array contains LNISHR. */
#define EIHD__M_XLATED 0x0080 /* Translated image. */
#define EIHD__M_BIND_CODE_SEC 0x0100 /* EXE sect can be put into S0. */
#define EIHD__M_BIND_DATA_SEC 0x0200 /* DATA sect can be put into S0. */
#define EIHD__M_MKTHREADS 0x0400 /* Multiple kernel threads. */
#define EIHD__M_UPCALLS 0x0800 /* Upcalls enabled. */
#define EIHD__M_OMV_READY 0x1000 /* Can be processed by OMV. */
#define EIHD__M_EXT_BIND_SECT 0x2000 /* May be moved, using ext fixups. */
/* Offsets of some fields. */
#define EIHD__L_SIZE 8
#define EIHD__L_ISDOFF 12
#define EIHD__L_SYMDBGOFF 20
#define EIHD__Q_SYMVVA 40
#define EIHD__L_IMGTYPE 52
#define EIHD__C_LENGTH 104
#endif /* _VMS_EIHD_H */
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