1 /* Alpha VMS external format of Descriptors.
2 
3    Copyright (C) 2010-2016 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 */
130