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/* Alpha VMS external format of Extended Image Section Descriptor.
Copyright (C) 2010-2021 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_EISD_H
#define _VMS_EISD_H
/* Flags. */
#define EISD__M_GBL 0x0001 /* Global. */
#define EISD__M_CRF 0x0002 /* Copy on reference. */
#define EISD__M_DZRO 0x0004 /* Demand zero page. */
#define EISD__M_WRT 0x0008 /* Writable. */
#define EISD__M_INITALCODE 0x0010 /* Part of initialization code. */
#define EISD__M_BASED 0x0020 /* Isect is based. */
#define EISD__M_FIXUPVEC 0x0040 /* Isect is fixup section. */
#define EISD__M_RESIDENT 0x0080 /* Isect is memory resident. */
#define EISD__M_VECTOR 0x0100 /* Vector contained in isect. */
#define EISD__M_PROTECT 0x0200 /* Isect is protected. */
#define EISD__M_LASTCLU 0x0400 /* Last cluster. */
#define EISD__M_EXE 0x0800 /* Code isect. */
#define EISD__M_NONSHRADR 0x1000 /* Contains non-shareable data. */
#define EISD__M_QUAD_LENGTH 0x2000 /* Quad length field valid. */
#define EISD__M_ALLOC_64BIT 0x4000 /* Allocate 64-bit space. */
#define EISD__K_LEN 36
#define EISD__K_LENEND 12 /* For end marker or next block. */
#define EISD__K_MAXLENGLBL 84
#define EISD__K_GBLNAMLEN 44 /* Size of the field. */
struct vms_eisd
{
unsigned char majorid[4];
unsigned char minorid[4];
/* Size (in bytes) of this eisd. */
unsigned char eisdsize[4];
/* Size (in bytes) of the section. */
unsigned char secsize[4];
/* Virtual address of the section. */
unsigned char virt_addr[8];
/* Flags. */
unsigned char flags[4];
/* Base virtual block number. */
unsigned char vbn[4];
/* Page fault cluster. */
unsigned char pfc;
/* Linker match control. */
unsigned char matchctl;
/* Section type. */
unsigned char type;
unsigned char fill_1;
/* End of structure for normal records. */
/* Ident for global section. */
unsigned char ident[4];
/* Global name ascic. First 8 bytes are quad length field. */
unsigned char gblnam[EISD__K_GBLNAMLEN];
};
/* Versions. */
#define EISD__K_MAJORID 1
#define EISD__K_MINORID 1
/* Match control. */
#define EISD__K_MATALL 0 /* Match always. */
#define EISD__K_MATEQU 1 /* Match if equal. */
#define EISD__K_MATLEQ 2 /* Match if less or equal. */
#define EISD__K_MATNEV 3 /* Match never. */
/* Section type. */
#define EISD__K_NORMAL 0 /* Normal program image section. */
#define EISD__K_SHRFXD 1 /* Shareable fixed section. */
#define EISD__K_PRVFXD 2 /* Private fixed section. */
#define EISD__K_SHRPIC 3 /* Shareable pic section. */
#define EISD__K_PRVPIC 4 /* Private PIC section. */
#define EISD__K_USRSTACK 253 /* User stack section. */
/* EISD offsets. */
#define EISD__L_EISDSIZE 8
#define EISD__L_SECSIZE 12
#define EISD__Q_VIR_ADDR 16
#define EISD__L_FLAGS 24
#define EISD__L_VBN 28
#define EISD__R_CONTROL 32
#define EISD__L_IDENT 36
#define EISD__T_GBLNAM 40
#endif /* _VMS_EISD_H */
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