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/* Alpha VMS external format of Extended Image Section Descriptor.

   Copyright 2010 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 */