include/vms/dsc.h

   1 /* Alpha VMS external format of Descriptors.
   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_DSC_H
  24 #define _VMS_DSC_H
  25
  26 /* Descriptors.  */
  27 #define DSC__K_DTYPE_Z    0 /* Unspecified.  */
  28 #define DSC__K_DTYPE_V    1 /* Bit.  */
  29 #define DSC__K_DTYPE_BU   2 /* Byte logical.  */
  30 #define DSC__K_DTYPE_WU   3 /* Word logical.  */
  31 #define DSC__K_DTYPE_LU   4 /* Longword logical.  */
  32 #define DSC__K_DTYPE_QU   5 /* Quadword logical.  */
  33 #define DSC__K_DTYPE_B    6 /* Byte integer.  */
  34 #define DSC__K_DTYPE_W    7 /* Word integer.  */
  35 #define DSC__K_DTYPE_L    8 /* Longword integer.  */
  36 #define DSC__K_DTYPE_Q    9 /* Quadword integer.  */
  37 #define DSC__K_DTYPE_F   10 /* Single-precision floating.  */
  38 #define DSC__K_DTYPE_D   11 /* Double-precision floating.  */
  39 #define DSC__K_DTYPE_FC  12 /* Complex.  */
  40 #define DSC__K_DTYPE_DC  13 /* Double-precision Complex.  */
  41 #define DSC__K_DTYPE_T   14 /* ASCII text string.  */
  42 #define DSC__K_DTYPE_NU  15 /* Numeric string, unsigned.  */
  43 #define DSC__K_DTYPE_NL  16 /* Numeric string, left separate sign.  */
  44 #define DSC__K_DTYPE_NLO 17 /* Numeric string, left overpunched sign.  */
  45 #define DSC__K_DTYPE_NR  18 /* Numeric string, right separate sign.  */
  46 #define DSC__K_DTYPE_NRO 19 /* Numeric string, right overpunched sign.  */
  47 #define DSC__K_DTYPE_NZ  20 /* Numeric string, zoned sign.  */
  48 #define DSC__K_DTYPE_P   21 /* Packed decimal string.  */
  49 #define DSC__K_DTYPE_ZI  22 /* Sequence of instructions.  */
  50 #define DSC__K_DTYPE_ZEM 23 /* Procedure entry mask.  */
  51 #define DSC__K_DTYPE_DSC 24 /* Descriptor, used for arrays of dyn strings.  */
  52 #define DSC__K_DTYPE_OU  25 /* Octaword logical.  */
  53 #define DSC__K_DTYPE_O   26 /* Octaword integer.  */
  54 #define DSC__K_DTYPE_G   27 /* Double precision G floating, 64 bit.  */
  55 #define DSC__K_DTYPE_H   28 /* Quadruple precision floating, 128 bit.  */
  56 #define DSC__K_DTYPE_GC  29 /* Double precision complex, G floating.  */
  57 #define DSC__K_DTYPE_HC  30 /* Quadruple precision complex, H floating.  */
  58 #define DSC__K_DTYPE_CIT 31 /* COBOL intermediate temporary.  */
  59 #define DSC__K_DTYPE_BPV 32 /* Bound Procedure Value.  */
  60 #define DSC__K_DTYPE_BLV 33 /* Bound Label Value.  */
  61 #define DSC__K_DTYPE_VU  34 /* Bit Unaligned.  */
  62 #define DSC__K_DTYPE_ADT 35 /* Absolute Date-Time.  */
  63 #define DSC__K_DTYPE_VT  37 /* Varying Text.  */
  64 #define DSC__K_DTYPE_T2  38 /* 16-bit char.  */
  65 #define DSC__K_DTYPE_VT2 39 /* 16-bit varying char.  */
  66
  67 #define DSC__K_CLASS_S     1 /* Fixed-length scalar/string.  */
  68 #define DSC__K_CLASS_D     2 /* Dynamic string.  */
  69 #define DSC__K_CLASS_V     3 /* Reserved.  */
  70 #define DSC__K_CLASS_A     4 /* Contiguous array.  */
  71 #define DSC__K_CLASS_P     5 /* Procedure argument descriptor.  */
  72 #define DSC__K_CLASS_PI    6 /* Procedure incarnation descriptor.  */
  73 #define DSC__K_CLASS_J     7 /* Reserved.  */
  74 #define DSC__K_CLASS_JI    8 /* Obsolete.  */
  75 #define DSC__K_CLASS_SD    9 /* Decimal (scalar) string.  */
  76 #define DSC__K_CLASS_NCA  10 /* Non-contiguous array.  */
  77 #define DSC__K_CLASS_VS   11 /* Varying string.  */
  78 #define DSC__K_CLASS_VSA  12 /* Varying string array.  */
  79 #define DSC__K_CLASS_UBS  13 /* Unaligned bit string.  */
  80 #define DSC__K_CLASS_UBA  14 /* Unaligned bit array.  */
  81 #define DSC__K_CLASS_SB   15 /* String with bounds.  */
  82 #define DSC__K_CLASS_UBSB 16 /* Unaligned bit string with bounds.  */
  83
  84 /* Common part.  */
  85
  86 struct vms_dsc
  87 {
  88   unsigned char length[2];
  89   unsigned char dtype;
  90   unsigned char bclass;
  91   unsigned char pointer[4];
  92 };
  93
  94 struct vms_dsc64
  95 {
  96   unsigned char mbo[2];
  97   unsigned char dtype;
  98   unsigned char bclass;
  99   unsigned char mbmo[4];
 100   unsigned char length[8];
 101   unsigned char pointer[8];
 102 };
 103
 104 struct vms_dsc_nca
 105 {
 106   unsigned char length[2];
 107   unsigned char dtype;
 108   unsigned char bclass;
 109   unsigned char pointer[4];
 110
 111   unsigned char scale;
 112   unsigned char digits;
 113   unsigned char aflags;
 114   unsigned char dimct;
 115
 116   unsigned char arsize[4];
 117   unsigned char a0[4];
 118 };
 119
 120 struct vms_dsc_ubs
 121 {
 122   unsigned char length[2];
 123   unsigned char dtype;
 124   unsigned char bclass;
 125   unsigned char base[4];
 126   unsigned char pos[4];
 127 };
 128
 129 #endif /* _VMS_DSC_H */