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444a144f TG |
1 | /* Alpha VMS external format of Extended Image Section Descriptor. |
2 | ||
219d1afa | 3 | Copyright (C) 2010-2018 Free Software Foundation, Inc. |
444a144f TG |
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_EISD_H | |
24 | #define _VMS_EISD_H | |
25 | ||
26 | /* Flags. */ | |
27 | #define EISD__M_GBL 0x0001 /* Global. */ | |
28 | #define EISD__M_CRF 0x0002 /* Copy on reference. */ | |
29 | #define EISD__M_DZRO 0x0004 /* Demand zero page. */ | |
30 | #define EISD__M_WRT 0x0008 /* Writable. */ | |
31 | #define EISD__M_INITALCODE 0x0010 /* Part of initialization code. */ | |
32 | #define EISD__M_BASED 0x0020 /* Isect is based. */ | |
33 | #define EISD__M_FIXUPVEC 0x0040 /* Isect is fixup section. */ | |
34 | #define EISD__M_RESIDENT 0x0080 /* Isect is memory resident. */ | |
35 | #define EISD__M_VECTOR 0x0100 /* Vector contained in isect. */ | |
fd63344e | 36 | #define EISD__M_PROTECT 0x0200 /* Isect is protected. */ |
444a144f TG |
37 | #define EISD__M_LASTCLU 0x0400 /* Last cluster. */ |
38 | #define EISD__M_EXE 0x0800 /* Code isect. */ | |
39 | #define EISD__M_NONSHRADR 0x1000 /* Contains non-shareable data. */ | |
40 | #define EISD__M_QUAD_LENGTH 0x2000 /* Quad length field valid. */ | |
41 | #define EISD__M_ALLOC_64BIT 0x4000 /* Allocate 64-bit space. */ | |
42 | ||
fd63344e TG |
43 | #define EISD__K_LEN 36 |
44 | #define EISD__K_LENEND 12 /* For end marker or next block. */ | |
45 | #define EISD__K_MAXLENGLBL 84 | |
46 | ||
47 | #define EISD__K_GBLNAMLEN 44 /* Size of the field. */ | |
48 | ||
444a144f TG |
49 | struct vms_eisd |
50 | { | |
51 | unsigned char majorid[4]; | |
52 | unsigned char minorid[4]; | |
53 | ||
54 | /* Size (in bytes) of this eisd. */ | |
55 | unsigned char eisdsize[4]; | |
56 | ||
57 | /* Size (in bytes) of the section. */ | |
58 | unsigned char secsize[4]; | |
59 | ||
60 | /* Virtual address of the section. */ | |
61 | unsigned char virt_addr[8]; | |
62 | ||
63 | /* Flags. */ | |
64 | unsigned char flags[4]; | |
65 | ||
66 | /* Base virtual block number. */ | |
67 | unsigned char vbn[4]; | |
68 | ||
69 | /* Page fault cluster. */ | |
70 | unsigned char pfc; | |
71 | ||
72 | /* Linker match control. */ | |
73 | unsigned char matchctl; | |
74 | ||
75 | /* Section type. */ | |
76 | unsigned char type; | |
77 | ||
78 | unsigned char fill_1; | |
444a144f | 79 | |
fd63344e TG |
80 | /* End of structure for normal records. */ |
81 | ||
444a144f TG |
82 | /* Ident for global section. */ |
83 | unsigned char ident[4]; | |
fd63344e | 84 | |
444a144f | 85 | /* Global name ascic. First 8 bytes are quad length field. */ |
fd63344e | 86 | unsigned char gblnam[EISD__K_GBLNAMLEN]; |
444a144f TG |
87 | }; |
88 | ||
fd63344e TG |
89 | /* Versions. */ |
90 | #define EISD__K_MAJORID 1 | |
91 | #define EISD__K_MINORID 1 | |
92 | ||
93 | /* Match control. */ | |
94 | #define EISD__K_MATALL 0 /* Match always. */ | |
95 | #define EISD__K_MATEQU 1 /* Match if equal. */ | |
96 | #define EISD__K_MATLEQ 2 /* Match if less or equal. */ | |
97 | #define EISD__K_MATNEV 3 /* Match never. */ | |
98 | ||
99 | /* Section type. */ | |
100 | #define EISD__K_NORMAL 0 /* Normal program image section. */ | |
101 | #define EISD__K_SHRFXD 1 /* Shareable fixed section. */ | |
102 | #define EISD__K_PRVFXD 2 /* Private fixed section. */ | |
103 | #define EISD__K_SHRPIC 3 /* Shareable pic section. */ | |
104 | #define EISD__K_PRVPIC 4 /* Private PIC section. */ | |
105 | #define EISD__K_USRSTACK 253 /* User stack section. */ | |
106 | ||
444a144f TG |
107 | /* EISD offsets. */ |
108 | ||
109 | #define EISD__L_EISDSIZE 8 | |
110 | #define EISD__L_SECSIZE 12 | |
111 | #define EISD__Q_VIR_ADDR 16 | |
112 | #define EISD__L_FLAGS 24 | |
113 | #define EISD__L_VBN 28 | |
114 | #define EISD__R_CONTROL 32 | |
115 | #define EISD__L_IDENT 36 | |
116 | #define EISD__T_GBLNAM 40 | |
117 | ||
118 | #endif /* _VMS_EISD_H */ |