sdcc/support/sdbinutils/include/vms/eihd.h

   1 /* Alpha VMS external format of Extended Image Header.
   2
   3    Copyright (C) 2010-2022 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 */