--********************************************************************************************************************
-- Created:  9-Mar-2021 22:28:21 by OpenVMS SDL EV3-3      
-- Source:  21-APR-1993 15:56:50 $1$DGA8085:[LIB_ADA.LIS]EIAFDEF.SDL;1 
--********************************************************************************************************************
with SYSTEM; use SYSTEM;
with STARLET; use STARLET;
with CONDITION_HANDLING; use CONDITION_HANDLING;
 
package EIAFDEF is
 
--  module $EIAFDEF
 
--+
-- EIAF - EXTENDED IMAGE ACTIVATOR FIXUP SECTION
--
-- THE IMAGE ACTIVATOR FIXUP SECTION IS AN IMAGE SECTION THAT IS CREATED
-- BY THE LINKER AND USED BY THE IMAGE ACTIVATOR TO MODIFY THE IMAGE AS
-- IT IS ACTIVATED.  THIS IS DONE TO MAINTAIN THE POSITION INDEPENDENCE
-- OF EXTERNAL REFERENCES.
---
 
    EIAF_K_LENGTH		: constant := 84;			--  Length of fixed area (should be quadword aligned)
    EIAF_C_LENGTH		: constant := 84;			--  Length of fixed area
    EIAF_S_EIAFDEF		: constant := 84;
 
    type EIAF_VERSION_TYPE is						--  Version of this EIAF
	record
	    MAJORID	: UNSIGNED_LONGWORD;				--  Major ID
	    MINORID	: UNSIGNED_LONGWORD;				--  Minor ID
	end record;
 
	    for EIAF_VERSION_TYPE use 
		record
		    MAJORID	at 0 range 0 .. 31;
		    MINORID	at 4 range 0 .. 31;
		end record;
	    for EIAF_VERSION_TYPE'SIZE use 64;
 
    EIAF_VERSION_TYPE_INIT : constant EIAF_VERSION_TYPE := 
	    (MAJORID	=> 0,
	    MINORID	=> 0);
 
    type EIAF_FLAGS_TYPE is						--  Flags 
	record
	    SHR		: BOOLEAN;					--  This is in a shareable image 
	    FILLER_1	: UNSIGNED_31;
	end record;
 
	    for EIAF_FLAGS_TYPE use 
		record
		    SHR		at 0 range 0 .. 0;
		    FILLER_1	at 0 range 1 .. 31;
		end record;
	    for EIAF_FLAGS_TYPE'SIZE use 32;
 
    EIAF_FLAGS_TYPE_INIT : constant EIAF_FLAGS_TYPE := 
	    (SHR	=> FALSE,
	    FILLER_1	=> 0);
 
    type EIAF_TYPE is
	record
	    VERSION	: EIAF_VERSION_TYPE;				--  Version of this EIAF
	    IAFLINK	: UNSIGNED_QUADWORD;
 
	    ----Component(s) below are defined as comments since they
	    ----overlap other fields
	    ----
	    ----IAFLINK	: INTEGER_32;
 
	    FIXUPLNK	: UNSIGNED_QUADWORD;
 
	    ----Component(s) below are defined as comments since they
	    ----overlap other fields
	    ----
	    ----FIXUPLNK	: INTEGER_32;
 
	    SIZE	: INTEGER_32;					--  Size of fixed part of EIAF 
	    FLAGS	: EIAF_FLAGS_TYPE;				--  Flags 
	    QRELFIXOFF	: INTEGER_32;					--  Offset to quadword relocation fixup data
	    LRELFIXOFF	: INTEGER_32;					--  Offset to longword relocation fixup data
	    QDOTADROFF	: INTEGER_32;					--  Offset to quadword .address fixup data
	    LDOTADROFF	: INTEGER_32;					--  Offset to longword .address fixup data
	    CODEADROFF	: INTEGER_32;					--  Offset to code address fixup data
	    LPFIXOFF	: INTEGER_32;					--  Offset to linkage pair fixup data
	    CHGPRTOFF	: INTEGER_32;					--  Offset to isect change prot. data 
	    SHLSTOFF	: INTEGER_32;					--  Offset to shareable image list 
	    SHRIMGCNT	: INTEGER_32;					--  Number of shareable images in shlst 
	    SHLEXTRA	: INTEGER_32;					--  Number of extra shareable images allowed 
	    PERMCTX	: INTEGER_32;					--  Permanent sharable image context 
	    BASE_VA	: ADDRESS;					--  Base address of the image itself
	    LPPSBFIXOFF	: INTEGER_32;					--  Offset to "linkage pair with procedure signature" fixups
	end record;
 
	    for EIAF_TYPE use 
		record
		    VERSION	at 0 range 0 .. 63;
		    IAFLINK	at 8 range 0 .. 63;
 
		    ----Component representation spec(s) below are defined as
		    ----comments since they overlap other fields
		    ----
		    ----IAFLINK	at 8 range 0 .. 31;
 
		    FIXUPLNK	at 16 range 0 .. 63;
 
		    ----Component representation spec(s) below are defined as
		    ----comments since they overlap other fields
		    ----
		    ----FIXUPLNK	at 16 range 0 .. 31;
 
		    SIZE	at 24 range 0 .. 31;
		    FLAGS	at 28 range 0 .. 31;
		    QRELFIXOFF	at 32 range 0 .. 31;
		    LRELFIXOFF	at 36 range 0 .. 31;
		    QDOTADROFF	at 40 range 0 .. 31;
		    LDOTADROFF	at 44 range 0 .. 31;
		    CODEADROFF	at 48 range 0 .. 31;
		    LPFIXOFF	at 52 range 0 .. 31;
		    CHGPRTOFF	at 56 range 0 .. 31;
		    SHLSTOFF	at 60 range 0 .. 31;
		    SHRIMGCNT	at 64 range 0 .. 31;
		    SHLEXTRA	at 68 range 0 .. 31;
		    PERMCTX	at 72 range 0 .. 31;
		    BASE_VA	at 76 range 0 .. 31;
		    LPPSBFIXOFF	at 80 range 0 .. 31;
		end record;
	    for EIAF_TYPE'SIZE use 672;
 
    EIAF_TYPE_INIT : constant EIAF_TYPE := 
	    (
	    VERSION	=> EIAF_VERSION_TYPE_INIT,
	    IAFLINK	=> (0, 0),
	    FIXUPLNK	=> (0, 0),
	    SIZE	=> 0,
	    FLAGS	=> EIAF_FLAGS_TYPE_INIT,
	    QRELFIXOFF	=> 0,
	    LRELFIXOFF	=> 0,
	    QDOTADROFF	=> 0,
	    LDOTADROFF	=> 0,
	    CODEADROFF	=> 0,
	    LPFIXOFF	=> 0,
	    CHGPRTOFF	=> 0,
	    SHLSTOFF	=> 0,
	    SHRIMGCNT	=> 0,
	    SHLEXTRA	=> 0,
	    PERMCTX	=> 0,
	    BASE_VA	=> ADDRESS_ZERO,
	    LPPSBFIXOFF	=> 0);
 
end EIAFDEF;