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Intel 121748-001 manual 80B6 Object Module Formats

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80B6 Object Module Formats

Version 4.0

(Examples) Assume that an LNAMES record exists such that the names "DATA", I'RAM 'I, It MYPROG" , "CODE", .. " (null), "STACK-""CONST" and "MEMORY" are selected by Name Index values of 1, 2, 3, 4, 5, 6,

7and 8, respectively • .

The Descriptor with 4 fields: [eFDH, 3, 1, 11 specifies the LSEG with S'eqment Name "MYPROG", Class Name "DATA", and Overlay Name "DATA" •

The Descriptor with fields: {0FDH, 3, 1, 51 specifies the LSEG with Segment Name "MYPROG-, Class Name "DATA", and no (or ·null-# or "unspecified") Overlay Name.

The Descriptor with fields: (eFDH, 3, 1, 01 specifies any and all LSEG's with Seqment Name "MYPROG" and Class Name ·DATA II , regardless of their Overlay Name(s).

The PLM-86 compile~ will be able to inform LOCATE-86 of the "Small" assumptions by emitting 2 GRPOEF (Group Definition) Records: one contains the sinqle descriptor {0FDH, 4, 4, 51, the other

contains the descriptors [0FOH, 1, 1, 51, [eFDH, 6, 6, 51,

[eFOH, 7, 7, 5], and [~FDH, 8, 8, 5]. (End of Examples)

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Intel 121748-001 manual 80B6 Object Module Formats

Contents

Relocatable Object Module Formats IA 500/1181/500 IPI Control ContentsSymbol Definition Type Definition Hecord SymbolAppendices Numeric List of Record Types Library Dictionary Record Comment RecordPage Page Page Page Module Identification Segment Addressing Data Indices Page Page Target Sicode ,1024 IndexTarget Target Frame NumberPage F11 F21Frame SEGMENT-RELATIVE Fixups Target Eistruct ,24 Fixup RecordCase +------+ OataFrame Sifoo Target Eiary ,0000H Frame Sifoo Target Eiary ,-2Frame Sifoo Target Eiary Frame Sifoo Target Eistrct ,99 Rheadr Record OrderTheadr LheadrPage 1111 NumberOfficial Abbreviation Repeated or Conditional Fields NumberModule Header Record REC Record CHKModule Name Lheadr REC Record TYP LengthOAT Record Count Offset OverlayModule Info StaticDynamic Maximum Size Static Storage Page Record * Name Length List OF· NAMES. RecordName OFF LTLOAT LX+LY+G LX+LYMXY Segment Length Segment NAME. Index Class Name IndexOverlay Name Index FFH FEHIndex Object Module Formats Version FDHSegment Z I Z I Z I Z I Z Ibglibgm I I I80B6 Object Module Formats Eight Leaf Descriptor Type Definition RecordREC Record Name Eight CHK TY P Length Leaf SUM SEH USE Descriptor129 Object Module FormatsVersion 133 127 Page Puslic Base Public Names DefinitionREC Record Public Public Type CHK TYPFrame Target Frame GI GPublic Offset Type Index 8CH Extdef REC Record~il·E. Index REC Record Local Type TYP Length SymbolsLocal Symbols Base Local SY~BOLS. RecordLocal Symbol Name Local S~~BOL OffsetType Index Line Numbers Record Linnum REC TYP LengthLine NU!\1BER Sase May 8986 Ob·ject Module Formats VersionBlock Base Record Block Procedure Type CHK TYP Length BaseBlock Definition Record Index SUM 7AHBlock Length Block Name OffsetProcedure Information ReturnAddress Offset TYP Blkend REC Record CHKLength SUM 7CH Datum REC RecordTYP Length Information Offset Index SUMIf Frame ~ETHOD=0, the Datum has the format Block Index Symbol NameData Record Offset Relocatable Enumerated Data RecordOAT * CHK TY P Data Record BaseDAT Data Record Offset REC RecordIterated Data Record BaseRepeat Block Count Content Repeat Count Iterated Data BlockBlock Count Physical Enumerated Data Record Peoata REC Frame TYP Length NumberFrame NU....,SER Block Physical Iterated Data RecordFrame OFF Iterated SET DataEnumerated Data Offset LENGrHEnumerated ASH OffsetPage Logical Iterated Data Record Object Module Formats Version Same as for the Ridata record REC FixuppThread is a field with the followinq format StructureTarget * Target PlacementFixup LocatTIP I Targt Page Overlay Attr Z I Z I Z I Z I Z I S I a TYP Type of END TYP * SUMREG·TYP TYP Length ContentsRegister Initialization Record REC Record REG RegisterRegister Contents TargetOAT Datum Page Module ~ND Record StartTYP Length Addrs Frame Offset Number Library Header Record TYP Length Count NumberModule COU~T A6H LiSNAMLibrary Module Locations Record Libloc 00H * SUM Pl LI ZI zl ZI ZI ZI z Comment RecordTYP Length Type This field provides the commentary information Linnum SgS6 Object Module Formats Version7C Blkend Lheadr Peoata PidataStructure Appendix Type RepresentationsScalar PointerLIn Libhed Libnam Appendix Syntax Diagrams+-1 data 1-+ Component +-1 ImodLheadr -1 sgr +-1 modtail Rheadr -1 sqr +-ImodtailRegint ~-+Data 1--+ Tcomponent 1--+CompOnent Blkdef Blkend 8e8~ Object Module Formats Version 4.rtJPubdef Extdef Typdef+-- Ridata --+ Content Def88.8~ Obj ect Mod ule Pormats +-- Pidata --+Appendix Examples of FIXU~S Location Part 1. SELF-RELATIVE REFERE~CES PpppppppppppppppppppppLlocationl LllllllllllllllllllllllllllllllFIXUP. Representation InOLlllllllllllll LOCRARGET ~OCArE OperationLlllllllllllll P pp + L P LLLLLLILt.LLLLLExamples JMP SYM + Link Operation Llllllllllllll PPLOC LLLI.LLLLLLLLLL FixuprepresentatiTarget I L P Pppppppppppppppppp Llllllllllllll PLlllllllllllll P Pppppppppppppppppp LlllllilllllllOr SI8 where dl is app~ied to Location depending on ChangeChanqe Locate Operation Fixup Representation Location Offset LlllllllllllllLink Operation PsegLlllllllllllll Locate Operation Location Offset Frame Frame F~Examples JMPLocate Operation LIePart 2. Segment Relative References F8VALLlllllllilllll FOVAL-I LlllllllllllllTarget I L Llllllllllllll FIXUP. Representation Location PointerLocate Operation Target Eisym LOeFixup Representation Location PointerSYM ?=ALllllllllllllllll PppppppppppppppppppppppppPS EG P# SYM Lllllllllllllllllll TargetMOV AH.HIGHSYM Location Base Pseg Target Fixup Representation Location Base Pseg Target Target SI BPage