{ Copyright (c) 2015 by Nikolay Nikolov Contains Relocatable Object Module Format (OMF) definitions This is the object format used on the i8086-msdos platform. 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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA. **************************************************************************** } unit omfbase; {$i fpcdefs.inc} interface {$H+} uses cclasses, aasmbase, owbase; const { OMF segment names for the object sections, produced by the FPC code generator } omf_secnames : array[TAsmSectiontype] of string[length('__DATA, __datacoal_nt,coalesced')] = ('','', '_TEXT', 'data', 'data', 'rodata', 'bss', 'tbss', 'pdata', '_TEXT','data','data','data','data', 'stab', 'stabstr', 'idata2','idata4','idata5','idata6','idata7','edata', 'eh_frame', '.debug_frame','.debug_info','.debug_line','.debug_abbrev','.debug_aranges','.debug_ranges', 'fpc', '', 'init', 'fini', 'objc_class', 'objc_meta_class', 'objc_cat_cls_meth', 'objc_cat_inst_meth', 'objc_protocol', 'objc_string_object', 'objc_cls_meth', 'objc_inst_meth', 'objc_cls_refs', 'objc_message_refs', 'objc_symbols', 'objc_category', 'objc_class_vars', 'objc_instance_vars', 'objc_module_info', 'objc_class_names', 'objc_meth_var_types', 'objc_meth_var_names', 'objc_selector_strs', 'objc_protocol_ext', 'objc_class_ext', 'objc_property', 'objc_image_info', 'objc_cstring_object', 'objc_sel_fixup', '__DATA,__objc_data', '__DATA,__objc_const', 'objc_superrefs', '__DATA, __datacoal_nt,coalesced', 'objc_classlist', 'objc_nlclasslist', 'objc_catlist', 'obcj_nlcatlist', 'objc_protolist', 'stack', 'heap', 'gcc_except_table', 'ARM_attributes' ); { OMF record types } RT_THEADR = $80; { Translator Header Record } RT_LHEADR = $82; { Library Module Header Record } RT_COMENT = $88; { Comment Record } RT_MODEND = $8A; { Module End Record } RT_MODEND32 = $8B; RT_EXTDEF = $8C; { External Names Definition Record } RT_PUBDEF = $90; { Public Names Definition Record } RT_PUBDEF32 = $91; RT_LINNUM = $94; { Line Numbers Record } RT_LINNUM32 = $95; RT_LNAMES = $96; { List of Names Record } RT_SEGDEF = $98; { Segment Definition Record } RT_SEGDEF32 = $99; RT_GRPDEF = $9A; { Group Definition Record } RT_FIXUPP = $9C; { Fixup Record } RT_FIXUPP32 = $9D; RT_LEDATA = $A0; { Logical Enumerated Data Record } RT_LEDATA32 = $A1; RT_LIDATA = $A2; { Logical Iterated Data Record } RT_LIDATA32 = $A3; RT_COMDEF = $B0; { Communal Names Definition Record } RT_BAKPAT = $B2; { Backpatch Record } RT_BAKPAT32 = $B3; RT_LEXTDEF = $B4; { Local External Names Definition Record } RT_LEXTDEF32 = $B5; RT_LPUBDEF = $B6; { Local Public Names Definition Record } RT_LPUBDEF32 = $B7; RT_LCOMDEF = $B8; { Local Communal Names Definition Record } RT_CEXTDEF = $BC; { COMDAT External Names Definition Record } RT_COMDAT = $C2; { Initialized Communal Data Record } RT_COMDAT32 = $C3; RT_LINSYM = $C4; { Symbol Line Numbers Record } RT_LINSYM32 = $C5; RT_ALIAS = $C6; { Alias Definition Record } RT_NBKPAT = $C8; { Named Backpatch Record } RT_NBKPAT32 = $C9; RT_LLNAMES = $CA; { Local Logical Names Definition Record } RT_VERNUM = $CC; { OMF Version Number Record } RT_VENDEXT = $CE; { Vendor-specific OMF Extension Record } RT_LIBHEAD = $F0; { Library Header Record } RT_LIBEND = $F1; { Library End Record (marks end of objects and beginning of dictionary) } { OMF comment class } CC_Translator = $00; { language translator (compiler or assembler) name } CC_IntelCopyright = $01; CC_IntelReservedRangeStart = $02; CC_IntelReservedRangeEnd = $9B; CC_LibrarySpecifierObsolete = $81; CC_MsDosVersionObsolete = $9C; CC_MemoryModel = $9D; CC_DOSSEG = $9E; CC_DefaultLibrarySearchName = $9F; CC_OmfExtension = $A0; CC_NewOmfExtension = $A1; CC_LinkPassSeparator = $A2; CC_LIBMOD = $A3; CC_EXESTR = $A4; CC_INCERR = $A6; CC_NOPAD = $A7; CC_WKEXT = $A8; CC_LZEXT = $A9; CC_Comment = $DA; CC_Compiler = $DB; CC_Date = $DC; CC_Timestamp = $DD; CC_User = $DF; CC_DependencyFileBorland = $E9; CC_CommandLineMicrosoft = $FF; { CC_OmfExtension subtypes } CC_OmfExtension_IMPDEF = $01; CC_OmfExtension_EXPDEF = $02; CC_OmfExtension_INCDEF = $03; CC_OmfExtension_LNKDIR = $05; type TOmfSegmentAlignment = ( saAbsolute = 0, saRelocatableByteAligned = 1, saRelocatableWordAligned = 2, saRelocatableParaAligned = 3, saRelocatablePageAligned = 4, { 32-bit linkers extension } saRelocatableDWordAligned = 5, { 32-bit linkers extension } saNotSupported = 6, { PharLap: 4096-byte page alignment } saNotDefined = 7); TOmfSegmentCombination = ( scPrivate = 0, scReserved1 = 1, scPublic = 2, scReserved3 = 3, scPublic4 = 4, { same as scPublic } scStack = 5, scCommon = 6, scPublic7 = 7); { same as scPublic } TOmfSegmentUse = (suUse16, suUse32); TOmfFixupThread = (ftThread0, ftThread1, ftThread2, ftThread3); TOmfFixupMode = (fmSelfRelative, fmSegmentRelative); TOmfFixupLocationType = ( fltLoByte = 0, { low 8 bits of 16-bit offset } fltOffset = 1, { 16-bit offset } fltBase = 2, { 16-bit base (segment) } fltFarPointer = 3, { 16-bit base:16-bit offset } fltHiByte = 4, { high 8 bits of 16-bit offset } fltLoaderResolvedOffset = 5, { PharLap: Offset32 } fltUndefined6 = 6, { PharLap: Pointer48 } fltUndefined7 = 7, fltUndefined8 = 8, fltOffset32 = 9, { 32-bit offset } fltUndefined10 = 10, fltFarPointer48 = 11, { 16-bit base:32-bit offset } fltUndefined12 = 12, fltLoaderResolvedOffset32 = 13, fltUndefined14 = 14, fltUndefined15 = 15); TOmfFixupFrameMethod = ( ffmSegmentIndex = 0, { SI() - The frame is the canonic frame of the logical segment segment defined by the index } ffmGroupIndex = 1, { GI() - The frame is the canonic frame of the group (= the canonic frame of the logical segment from the group, located at the lowest memory address) } ffmExternalIndex = 2, { EI() - The frame is determined depending on the external's public definition: * if the symbol is defined relative to a logical segment and no defined group, the frame of the logical segment is used * if the symbol is defined absolutely, without reference to a logical segment and no defined group, the FRAME NUMBER from the symbol's PUBDEF record is used * regardless of how the symbol is specified, if there's an associated group, that group's canonic frame is used } ffmFrameNumber = 3, { - The frame is a directly specified constant. } ffmLocation = 4, { LOCATION - The frame is determined by the location (i.e. the canonic frame of the logical segment where the fixup location is) } ffmTarget = 5, { TARGET - The frame is determined by the target. } ffmNone = 6, { NONE - There is no frame. Used for 8089 self-relative references. } ffmUndefined = 7); TOmfFixupTargetMethod = ( ftmSegmentIndex = 0, { SI(), } ftmGroupIndex = 1, { GI(), } ftmExternalIndex = 2, { EI(), } ftmFrameNumber = 3, { , } ftmSegmentIndexNoDisp = 4, { SI() } ftmGroupIndexNoDisp = 5, { GI() } ftmExternalIndexNoDisp = 6, { EI() } ftmFrameNumberNoDisp = 7); { } TOmfThreadType = ( ttTarget, ttFrame); { TOmfOrderedNameCollection } TOmfOrderedNameCollection = class private FAllowDuplicates: Boolean; FStringList: array of string; function GetCount: Integer; function GetString(Index: Integer): string; procedure SetString(Index: Integer; AValue: string); public constructor Create(AAllowDuplicates: Boolean); function Add(const S: string): Integer; procedure Clear; property Strings [Index: Integer]: string read GetString write SetString; default; property Count: Integer read GetCount; property AllowDuplicates: Boolean read FAllowDuplicates; end; { TOmfRawRecord } TOmfRawRecord = class private function GetChecksumByte: Byte; function GetRecordLength: Word; function GetRecordType: Byte; procedure SetChecksumByte(AValue: Byte); procedure SetRecordLength(AValue: Word); procedure SetRecordType(AValue: Byte); public RawData: array [-3..65535] of Byte; property RecordType: Byte read GetRecordType write SetRecordType; property RecordLength: Word read GetRecordLength write SetRecordLength; function ReadStringAt(Offset: Integer; out s: string): Integer; function WriteStringAt(Offset: Integer; s: string): Integer; function ReadIndexedRef(Offset: Integer; out IndexedRef: Integer): Integer; function WriteIndexedRef(Offset: Integer; IndexedRef: Integer): Integer; procedure CalculateChecksumByte; function VerifyChecksumByte: boolean; property ChecksumByte: Byte read GetChecksumByte write SetChecksumByte; procedure ReadFrom(aReader: TObjectReader); procedure ReadFrom(aReader: TDynamicArray); procedure WriteTo(aWriter: TObjectWriter); procedure WriteTo(aWriter: TDynamicArray); end; { TOmfParsedRecord } TOmfParsedRecord = class public procedure DecodeFrom(RawRecord: TOmfRawRecord);virtual;abstract; procedure EncodeTo(RawRecord: TOmfRawRecord);virtual;abstract; end; { TOmfRecord_THEADR } TOmfRecord_THEADR = class(TOmfParsedRecord) private FModuleName: string; public procedure DecodeFrom(RawRecord: TOmfRawRecord);override; procedure EncodeTo(RawRecord: TOmfRawRecord);override; property ModuleName: string read FModuleName write FModuleName; end; { TOmfRecord_COMENT } TOmfRecord_COMENT = class(TOmfParsedRecord) private FCommentType: Byte; FCommentClass: Byte; FCommentString: string; function GetNoList: Boolean; function GetNoPurge: Boolean; procedure SetNoList(AValue: Boolean); procedure SetNoPurge(AValue: Boolean); public procedure DecodeFrom(RawRecord: TOmfRawRecord);override; procedure EncodeTo(RawRecord: TOmfRawRecord);override; property CommentType: Byte read FCommentType write FCommentType; property CommentClass: Byte read FCommentClass write FCommentClass; property CommentString: string read FCommentString write FCommentString; property NoPurge: Boolean read GetNoPurge write SetNoPurge; property NoList: Boolean read GetNoList write SetNoList; end; { TOmfRecord_COMENT_Subtype } TOmfRecord_COMENT_Subtype = class public procedure DecodeFrom(ComentRecord: TOmfRecord_COMENT);virtual;abstract; procedure EncodeTo(ComentRecord: TOmfRecord_COMENT);virtual;abstract; end; { TOmfRecord_COMENT_IMPDEF } TOmfRecord_COMENT_IMPDEF = class(TOmfRecord_COMENT_Subtype) private FImportByOrdinal: Boolean; FInternalName: string; FModuleName: string; FOrdinal: Word; FName: string; public procedure DecodeFrom(ComentRecord: TOmfRecord_COMENT);override; procedure EncodeTo(ComentRecord: TOmfRecord_COMENT);override; property ImportByOrdinal: Boolean read FImportByOrdinal write FImportByOrdinal; property InternalName: string read FInternalName write FInternalName; property ModuleName: string read FModuleName write FModuleName; property Ordinal: Word read FOrdinal write FOrdinal; property Name: string read FName write FName; end; { TOmfRecord_COMENT_EXPDEF } TOmfRecord_COMENT_EXPDEF = class(TOmfRecord_COMENT_Subtype) private FExportByOrdinal: Boolean; FResidentName: Boolean; FNoData: Boolean; FParmCount: Integer; FExportedName: string; FInternalName: string; FExportOrdinal: Word; public procedure DecodeFrom(ComentRecord: TOmfRecord_COMENT);override; procedure EncodeTo(ComentRecord: TOmfRecord_COMENT);override; property ExportByOrdinal: Boolean read FExportByOrdinal write FExportByOrdinal; property ResidentName: Boolean read FResidentName write FResidentName; property NoData: Boolean read FNoData write FNoData; property ParmCount: Integer read FParmCount write FParmCount; property ExportedName: string read FExportedName write FExportedName; property InternalName: string read FInternalName write FInternalName; property ExportOrdinal: Word read FExportOrdinal write FExportOrdinal; end; { TOmfRecord_LNAMES } TOmfRecord_LNAMES = class(TOmfParsedRecord) private FNames: TOmfOrderedNameCollection; FNextIndex: Integer; public constructor Create; procedure DecodeFrom(RawRecord: TOmfRawRecord);override; procedure EncodeTo(RawRecord: TOmfRawRecord);override; property Names: TOmfOrderedNameCollection read FNames write FNames; property NextIndex: Integer read FNextIndex write FNextIndex; end; { TOmfRecord_SEGDEF } TOmfRecord_SEGDEF = class(TOmfParsedRecord) private FAlignment: TOmfSegmentAlignment; FCombination: TOmfSegmentCombination; FUse: TOmfSegmentUse; FFrameNumber: Word; FOffset: Byte; FIs32Bit: Boolean; FSegmentLength: Int64; { int64, because it can be 2**32 } FSegmentNameIndex: Integer; FClassNameIndex: Integer; FOverlayNameIndex: Integer; public procedure DecodeFrom(RawRecord: TOmfRawRecord);override; procedure EncodeTo(RawRecord: TOmfRawRecord);override; procedure MaybeGo32; property Alignment: TOmfSegmentAlignment read FAlignment write FAlignment; property Combination: TOmfSegmentCombination read FCombination write FCombination; property Use: TOmfSegmentUse read FUse write FUse; property FrameNumber: Word read FFrameNumber write FFrameNumber; property Offset: Byte read FOffset write FOffset; property Is32Bit: Boolean read FIs32Bit write FIs32Bit; property SegmentLength: Int64 read FSegmentLength write FSegmentLength; property SegmentNameIndex: Integer read FSegmentNameIndex write FSegmentNameIndex; property ClassNameIndex: Integer read FClassNameIndex write FClassNameIndex; property OverlayNameIndex: Integer read FOverlayNameIndex write FOverlayNameIndex; end; TSegmentList = array of Integer; { TOmfRecord_GRPDEF } TOmfRecord_GRPDEF = class(TOmfParsedRecord) private FGroupNameIndex: Integer; FSegmentList: TSegmentList; public procedure DecodeFrom(RawRecord: TOmfRawRecord);override; procedure EncodeTo(RawRecord: TOmfRawRecord);override; procedure AddSegmentIndex(segidx: Integer); property GroupNameIndex: Integer read FGroupNameIndex write FGroupNameIndex; property SegmentList: TSegmentList read FSegmentList write FSegmentList; end; { TOmfPublicNameElement } TOmfPublicNameElement = class(TFPHashObject) private FPublicOffset: DWord; FTypeIndex: Integer; FIsLocal: Boolean; public function GetLengthInFile(Is32Bit: Boolean): Integer; property PublicOffset: DWord read FPublicOffset write FPublicOffset; property TypeIndex: Integer read FTypeIndex write FTypeIndex; property IsLocal: Boolean read FIsLocal write FIsLocal; end; { TOmfRecord_PUBDEF } TOmfRecord_PUBDEF = class(TOmfParsedRecord) private FIs32Bit: Boolean; FIsLocal: Boolean; FBaseGroupIndex: Integer; FBaseSegmentIndex: Integer; FBaseFrame: Word; FPublicNames: TFPHashObjectList; FNextIndex: Integer; public procedure DecodeFrom(RawRecord: TOmfRawRecord);override; procedure EncodeTo(RawRecord: TOmfRawRecord);override; procedure MaybeGo32; property Is32Bit: Boolean read FIs32Bit write FIs32Bit; property IsLocal: Boolean read FIsLocal write FIsLocal; property BaseGroupIndex: Integer read FBaseGroupIndex write FBaseGroupIndex; property BaseSegmentIndex: Integer read FBaseSegmentIndex write FBaseSegmentIndex; property BaseFrame: Word read FBaseFrame write FBaseFrame; property PublicNames: TFPHashObjectList read FPublicNames write FPublicNames; property NextIndex: Integer read FNextIndex write FNextIndex; end; { TOmfExternalNameElement } TOmfExternalNameElement = class(TFPHashObject) private FTypeIndex: Integer; public function GetLengthInFile: Integer; property TypeIndex: Integer read FTypeIndex write FTypeIndex; end; { TOmfRecord_EXTDEF } TOmfRecord_EXTDEF = class(TOmfParsedRecord) private FExternalNames: TFPHashObjectList; FNextIndex: Integer; public procedure DecodeFrom(RawRecord: TOmfRawRecord);override; procedure EncodeTo(RawRecord: TOmfRawRecord);override; property ExternalNames: TFPHashObjectList read FExternalNames write FExternalNames; property NextIndex: Integer read FNextIndex write FNextIndex; end; { TOmfRecord_MODEND } TOmfRecord_MODEND = class(TOmfParsedRecord) private FIs32Bit: Boolean; FIsMainModule: Boolean; FHasStartAddress: Boolean; FSegmentBit: Boolean; FLogicalStartAddress: Boolean; FFrameMethod: TOmfFixupFrameMethod; FFrameDatum: Integer; FTargetMethod: TOmfFixupTargetMethod; FTargetDatum: Integer; FTargetDisplacement: DWord; FPhysFrameNumber: Word; FPhysOffset: DWord; public procedure DecodeFrom(RawRecord: TOmfRawRecord);override; procedure EncodeTo(RawRecord: TOmfRawRecord);override; property Is32Bit: Boolean read FIs32Bit write FIs32Bit; property IsMainModule: Boolean read FIsMainModule write FIsMainModule; property HasStartAddress: Boolean read FHasStartAddress write FHasStartAddress; property SegmentBit: Boolean read FSegmentBit write FSegmentBit; property LogicalStartAddress: Boolean read FLogicalStartAddress write FLogicalStartAddress; { properties, specifying a logical start address (used when LogicalStartAddress=true) } property FrameMethod: TOmfFixupFrameMethod read FFrameMethod write FFrameMethod; property FrameDatum: Integer read FFrameDatum write FFrameDatum; property TargetMethod: TOmfFixupTargetMethod read FTargetMethod write FTargetMethod; property TargetDatum: Integer read FTargetDatum write FTargetDatum; property TargetDisplacement: DWord read FTargetDisplacement write FTargetDisplacement; { properties, specifying a physical start address (used when LogicalStartAddress=false) } property PhysFrameNumber: Word read FPhysFrameNumber write FPhysFrameNumber; property PhysOffset: DWord read FPhysOffset write FPhysOffset; end; { TOmfRecord_LINNUM } TOmfRecord_LINNUM = class(TOmfParsedRecord) private FIs32Bit: Boolean; FBaseGroup: Integer; FBaseSegment: Integer; FNextIndex: Integer; protected procedure DebugFormatSpecific_DecodeFrom(RawRecord:TOmfRawRecord;NextOfs:Integer);virtual;abstract; procedure DebugFormatSpecific_EncodeTo(RawRecord:TOmfRawRecord;var NextOfs:Integer);virtual;abstract; public procedure DecodeFrom(RawRecord: TOmfRawRecord);override; procedure EncodeTo(RawRecord: TOmfRawRecord);override; property Is32Bit: Boolean read FIs32Bit write FIs32Bit; property BaseGroup: Integer read FBaseGroup write FBaseGroup; property BaseSegment: Integer read FBaseSegment write FBaseSegment; property NextIndex: Integer read FNextIndex write FNextIndex; end; TOmfSubRecord_LINNUM_MsLink_LineNumber = 0..$7fff; { TOmfSubRecord_LINNUM_MsLink_Entry } TOmfSubRecord_LINNUM_MsLink_Entry = class private FLineNumber: TOmfSubRecord_LINNUM_MsLink_LineNumber; FOffset: DWord; public constructor Create(ALineNumber: TOmfSubRecord_LINNUM_MsLink_LineNumber; AOffset: DWord); property LineNumber: TOmfSubRecord_LINNUM_MsLink_LineNumber read FLineNumber write FLineNumber; property Offset: DWord read FOffset write FOffset; end; { TOmfSubRecord_LINNUM_MsLink_LineNumberList } TOmfSubRecord_LINNUM_MsLink_LineNumberList = class private FLineNumbers: TFPObjectList; function GetCount: Integer; function GetItem(Index: Integer): TOmfSubRecord_LINNUM_MsLink_Entry; procedure SetCount(AValue: Integer); procedure SetItem(Index: Integer; AValue: TOmfSubRecord_LINNUM_MsLink_Entry); public constructor Create; destructor Destroy;override; procedure Clear; function Add(AObject: TOmfSubRecord_LINNUM_MsLink_Entry): Integer; property Count: Integer read GetCount write SetCount; property Items[Index: Integer]: TOmfSubRecord_LINNUM_MsLink_Entry read GetItem write SetItem; default; end; { TOmfRecord_LINNUM_MsLink } TOmfRecord_LINNUM_MsLink = class(TOmfRecord_LINNUM) private FLineNumberList: TOmfSubRecord_LINNUM_MsLink_LineNumberList; protected procedure DebugFormatSpecific_DecodeFrom(RawRecord:TOmfRawRecord;NextOfs:Integer);override; procedure DebugFormatSpecific_EncodeTo(RawRecord:TOmfRawRecord;var NextOfs:Integer);override; public property LineNumberList: TOmfSubRecord_LINNUM_MsLink_LineNumberList read FLineNumberList write FLineNumberList; end; { TOmfThread } TOmfThread = class private FDatum: Integer; FInitialized: Boolean; public constructor Create; property Datum: Integer read FDatum write FDatum; property Initialized: Boolean read FInitialized write FInitialized; end; { TOmfTargetThread } TOmfTargetThread = class(TOmfThread) private FTargetMethod: TOmfFixupTargetMethod; public property TargetMethod: TOmfFixupTargetMethod read FTargetMethod write FTargetMethod; end; { TOmfFrameThread } TOmfFrameThread = class(TOmfThread) private FFrameMethod: TOmfFixupFrameMethod; public property FrameMethod: TOmfFixupFrameMethod read FFrameMethod write FFrameMethod; end; { TOmfThreads } TOmfThreads = class private FTargetThreads: array [TOmfFixupThread] of TOmfTargetThread; FFrameThreads: array [TOmfFixupThread] of TOmfFrameThread; function GetTargetThread(Index: TOmfFixupThread): TOmfTargetThread; function GetFrameThread(Index: TOmfFixupThread): TOmfFrameThread; public constructor Create; destructor Destroy; override; property TargetThread[Index: TOmfFixupThread]: TOmfTargetThread read GetTargetThread; property FrameThread[Index: TOmfFixupThread]: TOmfFrameThread read GetFrameThread; end; { TOmfSubRecord_THREAD } TOmfSubRecord_THREAD = class private FThreadNumber: TOmfFixupThread; FThreadType: TOmfThreadType; FTargetMethod: TOmfFixupTargetMethod; FFrameMethod: TOmfFixupFrameMethod; FDatum: Integer; public function ReadAt(RawRecord: TOmfRawRecord; Offset: Integer): Integer; function WriteAt(RawRecord: TOmfRawRecord; Offset: Integer): Integer; procedure ApplyTo(AThreads: TOmfThreads); property ThreadNumber: TOmfFixupThread read FThreadNumber write FThreadNumber; property ThreadType: TOmfThreadType read FThreadType write FThreadType; property TargetMethod: TOmfFixupTargetMethod read FTargetMethod write FTargetMethod; property FrameMethod: TOmfFixupFrameMethod read FFrameMethod write FFrameMethod; property Datum: Integer read FDatum write FDatum; end; { TOmfSubRecord_FIXUP } TOmfSubRecord_FIXUP = class private FIs32Bit: Boolean; FMode: TOmfFixupMode; FLocationType: TOmfFixupLocationType; FLocationOffset: DWord; FDataRecordStartOffset: DWord; FTargetDeterminedByThread: Boolean; FTargetThread: TOmfFixupThread; FTargetThreadDisplacementPresent: Boolean; FTargetMethod: TOmfFixupTargetMethod; FTargetDatum: Integer; FTargetDisplacement: DWord; FFrameDeterminedByThread: Boolean; FFrameThread: TOmfFixupThread; FFrameMethod: TOmfFixupFrameMethod; FFrameDatum: Integer; function GetDataRecordOffset: Integer; function GetLocationSize: Integer; procedure SetDataRecordOffset(AValue: Integer); public function ReadAt(RawRecord: TOmfRawRecord; Offset: Integer): Integer; function WriteAt(RawRecord: TOmfRawRecord; Offset: Integer): Integer; procedure ResolveByThread(AThreads: TOmfThreads); property Is32Bit: Boolean read FIs32Bit write FIs32Bit; property Mode: TOmfFixupMode read FMode write FMode; property LocationType: TOmfFixupLocationType read FLocationType write FLocationType; property LocationOffset: DWord read FLocationOffset write FLocationOffset; property LocationSize: Integer read GetLocationSize; property DataRecordStartOffset: DWord read FDataRecordStartOffset write FDataRecordStartOffset; property DataRecordOffset: Integer read GetDataRecordOffset write SetDataRecordOffset; property TargetDeterminedByThread: Boolean read FTargetDeterminedByThread write FTargetDeterminedByThread; property TargetThread: TOmfFixupThread read FTargetThread write FTargetThread; property TargetThreadDisplacementPresent: Boolean read FTargetThreadDisplacementPresent write FTargetThreadDisplacementPresent; property TargetMethod: TOmfFixupTargetMethod read FTargetMethod write FTargetMethod; property TargetDatum: Integer read FTargetDatum write FTargetDatum; property TargetDisplacement: DWord read FTargetDisplacement write FTargetDisplacement; property FrameDeterminedByThread: Boolean read FFrameDeterminedByThread write FFrameDeterminedByThread; property FrameThread: TOmfFixupThread read FFrameThread write FFrameThread; property FrameMethod: TOmfFixupFrameMethod read FFrameMethod write FFrameMethod; property FrameDatum: Integer read FFrameDatum write FFrameDatum; end; { TOmfRecord_LIBHEAD } TOmfRecord_LIBHEAD = class(TOmfParsedRecord) private FPageSize: Integer; FDictionaryOffset: DWord; FDictionarySizeInBlocks: Word; FFlags: Byte; function IsCaseSensitive: Boolean; procedure SetCaseSensitive(AValue: Boolean); procedure SetPageSize(AValue: Integer); public constructor Create; procedure DecodeFrom(RawRecord: TOmfRawRecord);override; procedure EncodeTo(RawRecord: TOmfRawRecord);override; property PageSize: Integer read FPageSize write SetPageSize; property DictionaryOffset: DWord read FDictionaryOffset write FDictionaryOffset; property DictionarySizeInBlocks: Word read FDictionarySizeInBlocks write FDictionarySizeInBlocks; property Flags: Byte read FFlags write FFlags; property CaseSensitive: Boolean read IsCaseSensitive write SetCaseSensitive; end; { TOmfRecord_LIBEND } TOmfRecord_LIBEND = class(TOmfParsedRecord) private FPaddingBytes: Word; public procedure DecodeFrom(RawRecord: TOmfRawRecord);override; procedure EncodeTo(RawRecord: TOmfRawRecord);override; procedure CalculatePaddingBytes(RecordStartOffset: DWord); property PaddingBytes: Word read FPaddingBytes write FPaddingBytes; end; const { list of all the possible omf library dictionary block counts - contains all the prime numbers less than 65536 } OmfLibDictionaryBlockCounts: array [0..6541] of Word = (2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97, 101,103,107,109,113,127,131,137,139,149,151,157,163,167,173,179,181,191, 193,197,199,211,223,227,229,233,239,241,251,257,263,269,271,277,281,283, 293,307,311,313,317,331,337,347,349,353,359,367,373,379,383,389,397,401, 409,419,421,431,433,439,443,449,457,461,463,467,479,487,491,499,503,509, 521,523,541,547,557,563,569,571,577,587,593,599,601,607,613,617,619,631, 641,643,647,653,659,661,673,677,683,691,701,709,719,727,733,739,743,751, 757,761,769,773,787,797,809,811,821,823,827,829,839,853,857,859,863,877, 881,883,887,907,911,919,929,937,941,947,953,967,971,977,983,991,997,1009, 1013,1019,1021,1031,1033,1039,1049,1051,1061,1063,1069,1087,1091,1093, 1097,1103,1109,1117,1123,1129,1151,1153,1163,1171,1181,1187,1193,1201, 1213,1217,1223,1229,1231,1237,1249,1259,1277,1279,1283,1289,1291,1297, 1301,1303,1307,1319,1321,1327,1361,1367,1373,1381,1399,1409,1423,1427, 1429,1433,1439,1447,1451,1453,1459,1471,1481,1483,1487,1489,1493,1499, 1511,1523,1531,1543,1549,1553,1559,1567,1571,1579,1583,1597,1601,1607, 1609,1613,1619,1621,1627,1637,1657,1663,1667,1669,1693,1697,1699,1709, 1721,1723,1733,1741,1747,1753,1759,1777,1783,1787,1789,1801,1811,1823, 1831,1847,1861,1867,1871,1873,1877,1879,1889,1901,1907,1913,1931,1933, 1949,1951,1973,1979,1987,1993,1997,1999,2003,2011,2017,2027,2029,2039, 2053,2063,2069,2081,2083,2087,2089,2099,2111,2113,2129,2131,2137,2141, 2143,2153,2161,2179,2203,2207,2213,2221,2237,2239,2243,2251,2267,2269, 2273,2281,2287,2293,2297,2309,2311,2333,2339,2341,2347,2351,2357,2371, 2377,2381,2383,2389,2393,2399,2411,2417,2423,2437,2441,2447,2459,2467, 2473,2477,2503,2521,2531,2539,2543,2549,2551,2557,2579,2591,2593,2609, 2617,2621,2633,2647,2657,2659,2663,2671,2677,2683,2687,2689,2693,2699, 2707,2711,2713,2719,2729,2731,2741,2749,2753,2767,2777,2789,2791,2797, 2801,2803,2819,2833,2837,2843,2851,2857,2861,2879,2887,2897,2903,2909, 2917,2927,2939,2953,2957,2963,2969,2971,2999,3001,3011,3019,3023,3037, 3041,3049,3061,3067,3079,3083,3089,3109,3119,3121,3137,3163,3167,3169, 3181,3187,3191,3203,3209,3217,3221,3229,3251,3253,3257,3259,3271,3299, 3301,3307,3313,3319,3323,3329,3331,3343,3347,3359,3361,3371,3373,3389, 3391,3407,3413,3433,3449,3457,3461,3463,3467,3469,3491,3499,3511,3517, 3527,3529,3533,3539,3541,3547,3557,3559,3571,3581,3583,3593,3607,3613, 3617,3623,3631,3637,3643,3659,3671,3673,3677,3691,3697,3701,3709,3719, 3727,3733,3739,3761,3767,3769,3779,3793,3797,3803,3821,3823,3833,3847, 3851,3853,3863,3877,3881,3889,3907,3911,3917,3919,3923,3929,3931,3943, 3947,3967,3989,4001,4003,4007,4013,4019,4021,4027,4049,4051,4057,4073, 4079,4091,4093,4099,4111,4127,4129,4133,4139,4153,4157,4159,4177,4201, 4211,4217,4219,4229,4231,4241,4243,4253,4259,4261,4271,4273,4283,4289, 4297,4327,4337,4339,4349,4357,4363,4373,4391,4397,4409,4421,4423,4441, 4447,4451,4457,4463,4481,4483,4493,4507,4513,4517,4519,4523,4547,4549, 4561,4567,4583,4591,4597,4603,4621,4637,4639,4643,4649,4651,4657,4663, 4673,4679,4691,4703,4721,4723,4729,4733,4751,4759,4783,4787,4789,4793, 4799,4801,4813,4817,4831,4861,4871,4877,4889,4903,4909,4919,4931,4933, 4937,4943,4951,4957,4967,4969,4973,4987,4993,4999,5003,5009,5011,5021, 5023,5039,5051,5059,5077,5081,5087,5099,5101,5107,5113,5119,5147,5153, 5167,5171,5179,5189,5197,5209,5227,5231,5233,5237,5261,5273,5279,5281, 5297,5303,5309,5323,5333,5347,5351,5381,5387,5393,5399,5407,5413,5417, 5419,5431,5437,5441,5443,5449,5471,5477,5479,5483,5501,5503,5507,5519, 5521,5527,5531,5557,5563,5569,5573,5581,5591,5623,5639,5641,5647,5651, 5653,5657,5659,5669,5683,5689,5693,5701,5711,5717,5737,5741,5743,5749, 5779,5783,5791,5801,5807,5813,5821,5827,5839,5843,5849,5851,5857,5861, 5867,5869,5879,5881,5897,5903,5923,5927,5939,5953,5981,5987,6007,6011, 6029,6037,6043,6047,6053,6067,6073,6079,6089,6091,6101,6113,6121,6131, 6133,6143,6151,6163,6173,6197,6199,6203,6211,6217,6221,6229,6247,6257, 6263,6269,6271,6277,6287,6299,6301,6311,6317,6323,6329,6337,6343,6353, 6359,6361,6367,6373,6379,6389,6397,6421,6427,6449,6451,6469,6473,6481, 6491,6521,6529,6547,6551,6553,6563,6569,6571,6577,6581,6599,6607,6619, 6637,6653,6659,6661,6673,6679,6689,6691,6701,6703,6709,6719,6733,6737, 6761,6763,6779,6781,6791,6793,6803,6823,6827,6829,6833,6841,6857,6863, 6869,6871,6883,6899,6907,6911,6917,6947,6949,6959,6961,6967,6971,6977, 6983,6991,6997,7001,7013,7019,7027,7039,7043,7057,7069,7079,7103,7109, 7121,7127,7129,7151,7159,7177,7187,7193,7207,7211,7213,7219,7229,7237, 7243,7247,7253,7283,7297,7307,7309,7321,7331,7333,7349,7351,7369,7393, 7411,7417,7433,7451,7457,7459,7477,7481,7487,7489,7499,7507,7517,7523, 7529,7537,7541,7547,7549,7559,7561,7573,7577,7583,7589,7591,7603,7607, 7621,7639,7643,7649,7669,7673,7681,7687,7691,7699,7703,7717,7723,7727, 7741,7753,7757,7759,7789,7793,7817,7823,7829,7841,7853,7867,7873,7877, 7879,7883,7901,7907,7919,7927,7933,7937,7949,7951,7963,7993,8009,8011, 8017,8039,8053,8059,8069,8081,8087,8089,8093,8101,8111,8117,8123,8147, 8161,8167,8171,8179,8191,8209,8219,8221,8231,8233,8237,8243,8263,8269, 8273,8287,8291,8293,8297,8311,8317,8329,8353,8363,8369,8377,8387,8389, 8419,8423,8429,8431,8443,8447,8461,8467,8501,8513,8521,8527,8537,8539, 8543,8563,8573,8581,8597,8599,8609,8623,8627,8629,8641,8647,8663,8669, 8677,8681,8689,8693,8699,8707,8713,8719,8731,8737,8741,8747,8753,8761, 8779,8783,8803,8807,8819,8821,8831,8837,8839,8849,8861,8863,8867,8887, 8893,8923,8929,8933,8941,8951,8963,8969,8971,8999,9001,9007,9011,9013, 9029,9041,9043,9049,9059,9067,9091,9103,9109,9127,9133,9137,9151,9157, 9161,9173,9181,9187,9199,9203,9209,9221,9227,9239,9241,9257,9277,9281, 9283,9293,9311,9319,9323,9337,9341,9343,9349,9371,9377,9391,9397,9403, 9413,9419,9421,9431,9433,9437,9439,9461,9463,9467,9473,9479,9491,9497, 9511,9521,9533,9539,9547,9551,9587,9601,9613,9619,9623,9629,9631,9643, 9649,9661,9677,9679,9689,9697,9719,9721,9733,9739,9743,9749,9767,9769, 9781,9787,9791,9803,9811,9817,9829,9833,9839,9851,9857,9859,9871,9883, 9887,9901,9907,9923,9929,9931,9941,9949,9967,9973,10007,10009,10037, 10039,10061,10067,10069,10079,10091,10093,10099,10103,10111,10133,10139, 10141,10151,10159,10163,10169,10177,10181,10193,10211,10223,10243,10247, 10253,10259,10267,10271,10273,10289,10301,10303,10313,10321,10331,10333, 10337,10343,10357,10369,10391,10399,10427,10429,10433,10453,10457,10459, 10463,10477,10487,10499,10501,10513,10529,10531,10559,10567,10589,10597, 10601,10607,10613,10627,10631,10639,10651,10657,10663,10667,10687,10691, 10709,10711,10723,10729,10733,10739,10753,10771,10781,10789,10799,10831, 10837,10847,10853,10859,10861,10867,10883,10889,10891,10903,10909,10937, 10939,10949,10957,10973,10979,10987,10993,11003,11027,11047,11057,11059, 11069,11071,11083,11087,11093,11113,11117,11119,11131,11149,11159,11161, 11171,11173,11177,11197,11213,11239,11243,11251,11257,11261,11273,11279, 11287,11299,11311,11317,11321,11329,11351,11353,11369,11383,11393,11399, 11411,11423,11437,11443,11447,11467,11471,11483,11489,11491,11497,11503, 11519,11527,11549,11551,11579,11587,11593,11597,11617,11621,11633,11657, 11677,11681,11689,11699,11701,11717,11719,11731,11743,11777,11779,11783, 11789,11801,11807,11813,11821,11827,11831,11833,11839,11863,11867,11887, 11897,11903,11909,11923,11927,11933,11939,11941,11953,11959,11969,11971, 11981,11987,12007,12011,12037,12041,12043,12049,12071,12073,12097,12101, 12107,12109,12113,12119,12143,12149,12157,12161,12163,12197,12203,12211, 12227,12239,12241,12251,12253,12263,12269,12277,12281,12289,12301,12323, 12329,12343,12347,12373,12377,12379,12391,12401,12409,12413,12421,12433, 12437,12451,12457,12473,12479,12487,12491,12497,12503,12511,12517,12527, 12539,12541,12547,12553,12569,12577,12583,12589,12601,12611,12613,12619, 12637,12641,12647,12653,12659,12671,12689,12697,12703,12713,12721,12739, 12743,12757,12763,12781,12791,12799,12809,12821,12823,12829,12841,12853, 12889,12893,12899,12907,12911,12917,12919,12923,12941,12953,12959,12967, 12973,12979,12983,13001,13003,13007,13009,13033,13037,13043,13049,13063, 13093,13099,13103,13109,13121,13127,13147,13151,13159,13163,13171,13177, 13183,13187,13217,13219,13229,13241,13249,13259,13267,13291,13297,13309, 13313,13327,13331,13337,13339,13367,13381,13397,13399,13411,13417,13421, 13441,13451,13457,13463,13469,13477,13487,13499,13513,13523,13537,13553, 13567,13577,13591,13597,13613,13619,13627,13633,13649,13669,13679,13681, 13687,13691,13693,13697,13709,13711,13721,13723,13729,13751,13757,13759, 13763,13781,13789,13799,13807,13829,13831,13841,13859,13873,13877,13879, 13883,13901,13903,13907,13913,13921,13931,13933,13963,13967,13997,13999, 14009,14011,14029,14033,14051,14057,14071,14081,14083,14087,14107,14143, 14149,14153,14159,14173,14177,14197,14207,14221,14243,14249,14251,14281, 14293,14303,14321,14323,14327,14341,14347,14369,14387,14389,14401,14407, 14411,14419,14423,14431,14437,14447,14449,14461,14479,14489,14503,14519, 14533,14537,14543,14549,14551,14557,14561,14563,14591,14593,14621,14627, 14629,14633,14639,14653,14657,14669,14683,14699,14713,14717,14723,14731, 14737,14741,14747,14753,14759,14767,14771,14779,14783,14797,14813,14821, 14827,14831,14843,14851,14867,14869,14879,14887,14891,14897,14923,14929, 14939,14947,14951,14957,14969,14983,15013,15017,15031,15053,15061,15073, 15077,15083,15091,15101,15107,15121,15131,15137,15139,15149,15161,15173, 15187,15193,15199,15217,15227,15233,15241,15259,15263,15269,15271,15277, 15287,15289,15299,15307,15313,15319,15329,15331,15349,15359,15361,15373, 15377,15383,15391,15401,15413,15427,15439,15443,15451,15461,15467,15473, 15493,15497,15511,15527,15541,15551,15559,15569,15581,15583,15601,15607, 15619,15629,15641,15643,15647,15649,15661,15667,15671,15679,15683,15727, 15731,15733,15737,15739,15749,15761,15767,15773,15787,15791,15797,15803, 15809,15817,15823,15859,15877,15881,15887,15889,15901,15907,15913,15919, 15923,15937,15959,15971,15973,15991,16001,16007,16033,16057,16061,16063, 16067,16069,16073,16087,16091,16097,16103,16111,16127,16139,16141,16183, 16187,16189,16193,16217,16223,16229,16231,16249,16253,16267,16273,16301, 16319,16333,16339,16349,16361,16363,16369,16381,16411,16417,16421,16427, 16433,16447,16451,16453,16477,16481,16487,16493,16519,16529,16547,16553, 16561,16567,16573,16603,16607,16619,16631,16633,16649,16651,16657,16661, 16673,16691,16693,16699,16703,16729,16741,16747,16759,16763,16787,16811, 16823,16829,16831,16843,16871,16879,16883,16889,16901,16903,16921,16927, 16931,16937,16943,16963,16979,16981,16987,16993,17011,17021,17027,17029, 17033,17041,17047,17053,17077,17093,17099,17107,17117,17123,17137,17159, 17167,17183,17189,17191,17203,17207,17209,17231,17239,17257,17291,17293, 17299,17317,17321,17327,17333,17341,17351,17359,17377,17383,17387,17389, 17393,17401,17417,17419,17431,17443,17449,17467,17471,17477,17483,17489, 17491,17497,17509,17519,17539,17551,17569,17573,17579,17581,17597,17599, 17609,17623,17627,17657,17659,17669,17681,17683,17707,17713,17729,17737, 17747,17749,17761,17783,17789,17791,17807,17827,17837,17839,17851,17863, 17881,17891,17903,17909,17911,17921,17923,17929,17939,17957,17959,17971, 17977,17981,17987,17989,18013,18041,18043,18047,18049,18059,18061,18077, 18089,18097,18119,18121,18127,18131,18133,18143,18149,18169,18181,18191, 18199,18211,18217,18223,18229,18233,18251,18253,18257,18269,18287,18289, 18301,18307,18311,18313,18329,18341,18353,18367,18371,18379,18397,18401, 18413,18427,18433,18439,18443,18451,18457,18461,18481,18493,18503,18517, 18521,18523,18539,18541,18553,18583,18587,18593,18617,18637,18661,18671, 18679,18691,18701,18713,18719,18731,18743,18749,18757,18773,18787,18793, 18797,18803,18839,18859,18869,18899,18911,18913,18917,18919,18947,18959, 18973,18979,19001,19009,19013,19031,19037,19051,19069,19073,19079,19081, 19087,19121,19139,19141,19157,19163,19181,19183,19207,19211,19213,19219, 19231,19237,19249,19259,19267,19273,19289,19301,19309,19319,19333,19373, 19379,19381,19387,19391,19403,19417,19421,19423,19427,19429,19433,19441, 19447,19457,19463,19469,19471,19477,19483,19489,19501,19507,19531,19541, 19543,19553,19559,19571,19577,19583,19597,19603,19609,19661,19681,19687, 19697,19699,19709,19717,19727,19739,19751,19753,19759,19763,19777,19793, 19801,19813,19819,19841,19843,19853,19861,19867,19889,19891,19913,19919, 19927,19937,19949,19961,19963,19973,19979,19991,19993,19997,20011,20021, 20023,20029,20047,20051,20063,20071,20089,20101,20107,20113,20117,20123, 20129,20143,20147,20149,20161,20173,20177,20183,20201,20219,20231,20233, 20249,20261,20269,20287,20297,20323,20327,20333,20341,20347,20353,20357, 20359,20369,20389,20393,20399,20407,20411,20431,20441,20443,20477,20479, 20483,20507,20509,20521,20533,20543,20549,20551,20563,20593,20599,20611, 20627,20639,20641,20663,20681,20693,20707,20717,20719,20731,20743,20747, 20749,20753,20759,20771,20773,20789,20807,20809,20849,20857,20873,20879, 20887,20897,20899,20903,20921,20929,20939,20947,20959,20963,20981,20983, 21001,21011,21013,21017,21019,21023,21031,21059,21061,21067,21089,21101, 21107,21121,21139,21143,21149,21157,21163,21169,21179,21187,21191,21193, 21211,21221,21227,21247,21269,21277,21283,21313,21317,21319,21323,21341, 21347,21377,21379,21383,21391,21397,21401,21407,21419,21433,21467,21481, 21487,21491,21493,21499,21503,21517,21521,21523,21529,21557,21559,21563, 21569,21577,21587,21589,21599,21601,21611,21613,21617,21647,21649,21661, 21673,21683,21701,21713,21727,21737,21739,21751,21757,21767,21773,21787, 21799,21803,21817,21821,21839,21841,21851,21859,21863,21871,21881,21893, 21911,21929,21937,21943,21961,21977,21991,21997,22003,22013,22027,22031, 22037,22039,22051,22063,22067,22073,22079,22091,22093,22109,22111,22123, 22129,22133,22147,22153,22157,22159,22171,22189,22193,22229,22247,22259, 22271,22273,22277,22279,22283,22291,22303,22307,22343,22349,22367,22369, 22381,22391,22397,22409,22433,22441,22447,22453,22469,22481,22483,22501, 22511,22531,22541,22543,22549,22567,22571,22573,22613,22619,22621,22637, 22639,22643,22651,22669,22679,22691,22697,22699,22709,22717,22721,22727, 22739,22741,22751,22769,22777,22783,22787,22807,22811,22817,22853,22859, 22861,22871,22877,22901,22907,22921,22937,22943,22961,22963,22973,22993, 23003,23011,23017,23021,23027,23029,23039,23041,23053,23057,23059,23063, 23071,23081,23087,23099,23117,23131,23143,23159,23167,23173,23189,23197, 23201,23203,23209,23227,23251,23269,23279,23291,23293,23297,23311,23321, 23327,23333,23339,23357,23369,23371,23399,23417,23431,23447,23459,23473, 23497,23509,23531,23537,23539,23549,23557,23561,23563,23567,23581,23593, 23599,23603,23609,23623,23627,23629,23633,23663,23669,23671,23677,23687, 23689,23719,23741,23743,23747,23753,23761,23767,23773,23789,23801,23813, 23819,23827,23831,23833,23857,23869,23873,23879,23887,23893,23899,23909, 23911,23917,23929,23957,23971,23977,23981,23993,24001,24007,24019,24023, 24029,24043,24049,24061,24071,24077,24083,24091,24097,24103,24107,24109, 24113,24121,24133,24137,24151,24169,24179,24181,24197,24203,24223,24229, 24239,24247,24251,24281,24317,24329,24337,24359,24371,24373,24379,24391, 24407,24413,24419,24421,24439,24443,24469,24473,24481,24499,24509,24517, 24527,24533,24547,24551,24571,24593,24611,24623,24631,24659,24671,24677, 24683,24691,24697,24709,24733,24749,24763,24767,24781,24793,24799,24809, 24821,24841,24847,24851,24859,24877,24889,24907,24917,24919,24923,24943, 24953,24967,24971,24977,24979,24989,25013,25031,25033,25037,25057,25073, 25087,25097,25111,25117,25121,25127,25147,25153,25163,25169,25171,25183, 25189,25219,25229,25237,25243,25247,25253,25261,25301,25303,25307,25309, 25321,25339,25343,25349,25357,25367,25373,25391,25409,25411,25423,25439, 25447,25453,25457,25463,25469,25471,25523,25537,25541,25561,25577,25579, 25583,25589,25601,25603,25609,25621,25633,25639,25643,25657,25667,25673, 25679,25693,25703,25717,25733,25741,25747,25759,25763,25771,25793,25799, 25801,25819,25841,25847,25849,25867,25873,25889,25903,25913,25919,25931, 25933,25939,25943,25951,25969,25981,25997,25999,26003,26017,26021,26029, 26041,26053,26083,26099,26107,26111,26113,26119,26141,26153,26161,26171, 26177,26183,26189,26203,26209,26227,26237,26249,26251,26261,26263,26267, 26293,26297,26309,26317,26321,26339,26347,26357,26371,26387,26393,26399, 26407,26417,26423,26431,26437,26449,26459,26479,26489,26497,26501,26513, 26539,26557,26561,26573,26591,26597,26627,26633,26641,26647,26669,26681, 26683,26687,26693,26699,26701,26711,26713,26717,26723,26729,26731,26737, 26759,26777,26783,26801,26813,26821,26833,26839,26849,26861,26863,26879, 26881,26891,26893,26903,26921,26927,26947,26951,26953,26959,26981,26987, 26993,27011,27017,27031,27043,27059,27061,27067,27073,27077,27091,27103, 27107,27109,27127,27143,27179,27191,27197,27211,27239,27241,27253,27259, 27271,27277,27281,27283,27299,27329,27337,27361,27367,27397,27407,27409, 27427,27431,27437,27449,27457,27479,27481,27487,27509,27527,27529,27539, 27541,27551,27581,27583,27611,27617,27631,27647,27653,27673,27689,27691, 27697,27701,27733,27737,27739,27743,27749,27751,27763,27767,27773,27779, 27791,27793,27799,27803,27809,27817,27823,27827,27847,27851,27883,27893, 27901,27917,27919,27941,27943,27947,27953,27961,27967,27983,27997,28001, 28019,28027,28031,28051,28057,28069,28081,28087,28097,28099,28109,28111, 28123,28151,28163,28181,28183,28201,28211,28219,28229,28277,28279,28283, 28289,28297,28307,28309,28319,28349,28351,28387,28393,28403,28409,28411, 28429,28433,28439,28447,28463,28477,28493,28499,28513,28517,28537,28541, 28547,28549,28559,28571,28573,28579,28591,28597,28603,28607,28619,28621, 28627,28631,28643,28649,28657,28661,28663,28669,28687,28697,28703,28711, 28723,28729,28751,28753,28759,28771,28789,28793,28807,28813,28817,28837, 28843,28859,28867,28871,28879,28901,28909,28921,28927,28933,28949,28961, 28979,29009,29017,29021,29023,29027,29033,29059,29063,29077,29101,29123, 29129,29131,29137,29147,29153,29167,29173,29179,29191,29201,29207,29209, 29221,29231,29243,29251,29269,29287,29297,29303,29311,29327,29333,29339, 29347,29363,29383,29387,29389,29399,29401,29411,29423,29429,29437,29443, 29453,29473,29483,29501,29527,29531,29537,29567,29569,29573,29581,29587, 29599,29611,29629,29633,29641,29663,29669,29671,29683,29717,29723,29741, 29753,29759,29761,29789,29803,29819,29833,29837,29851,29863,29867,29873, 29879,29881,29917,29921,29927,29947,29959,29983,29989,30011,30013,30029, 30047,30059,30071,30089,30091,30097,30103,30109,30113,30119,30133,30137, 30139,30161,30169,30181,30187,30197,30203,30211,30223,30241,30253,30259, 30269,30271,30293,30307,30313,30319,30323,30341,30347,30367,30389,30391, 30403,30427,30431,30449,30467,30469,30491,30493,30497,30509,30517,30529, 30539,30553,30557,30559,30577,30593,30631,30637,30643,30649,30661,30671, 30677,30689,30697,30703,30707,30713,30727,30757,30763,30773,30781,30803, 30809,30817,30829,30839,30841,30851,30853,30859,30869,30871,30881,30893, 30911,30931,30937,30941,30949,30971,30977,30983,31013,31019,31033,31039, 31051,31063,31069,31079,31081,31091,31121,31123,31139,31147,31151,31153, 31159,31177,31181,31183,31189,31193,31219,31223,31231,31237,31247,31249, 31253,31259,31267,31271,31277,31307,31319,31321,31327,31333,31337,31357, 31379,31387,31391,31393,31397,31469,31477,31481,31489,31511,31513,31517, 31531,31541,31543,31547,31567,31573,31583,31601,31607,31627,31643,31649, 31657,31663,31667,31687,31699,31721,31723,31727,31729,31741,31751,31769, 31771,31793,31799,31817,31847,31849,31859,31873,31883,31891,31907,31957, 31963,31973,31981,31991,32003,32009,32027,32029,32051,32057,32059,32063, 32069,32077,32083,32089,32099,32117,32119,32141,32143,32159,32173,32183, 32189,32191,32203,32213,32233,32237,32251,32257,32261,32297,32299,32303, 32309,32321,32323,32327,32341,32353,32359,32363,32369,32371,32377,32381, 32401,32411,32413,32423,32429,32441,32443,32467,32479,32491,32497,32503, 32507,32531,32533,32537,32561,32563,32569,32573,32579,32587,32603,32609, 32611,32621,32633,32647,32653,32687,32693,32707,32713,32717,32719,32749, 32771,32779,32783,32789,32797,32801,32803,32831,32833,32839,32843,32869, 32887,32909,32911,32917,32933,32939,32941,32957,32969,32971,32983,32987, 32993,32999,33013,33023,33029,33037,33049,33053,33071,33073,33083,33091, 33107,33113,33119,33149,33151,33161,33179,33181,33191,33199,33203,33211, 33223,33247,33287,33289,33301,33311,33317,33329,33331,33343,33347,33349, 33353,33359,33377,33391,33403,33409,33413,33427,33457,33461,33469,33479, 33487,33493,33503,33521,33529,33533,33547,33563,33569,33577,33581,33587, 33589,33599,33601,33613,33617,33619,33623,33629,33637,33641,33647,33679, 33703,33713,33721,33739,33749,33751,33757,33767,33769,33773,33791,33797, 33809,33811,33827,33829,33851,33857,33863,33871,33889,33893,33911,33923, 33931,33937,33941,33961,33967,33997,34019,34031,34033,34039,34057,34061, 34123,34127,34129,34141,34147,34157,34159,34171,34183,34211,34213,34217, 34231,34253,34259,34261,34267,34273,34283,34297,34301,34303,34313,34319, 34327,34337,34351,34361,34367,34369,34381,34403,34421,34429,34439,34457, 34469,34471,34483,34487,34499,34501,34511,34513,34519,34537,34543,34549, 34583,34589,34591,34603,34607,34613,34631,34649,34651,34667,34673,34679, 34687,34693,34703,34721,34729,34739,34747,34757,34759,34763,34781,34807, 34819,34841,34843,34847,34849,34871,34877,34883,34897,34913,34919,34939, 34949,34961,34963,34981,35023,35027,35051,35053,35059,35069,35081,35083, 35089,35099,35107,35111,35117,35129,35141,35149,35153,35159,35171,35201, 35221,35227,35251,35257,35267,35279,35281,35291,35311,35317,35323,35327, 35339,35353,35363,35381,35393,35401,35407,35419,35423,35437,35447,35449, 35461,35491,35507,35509,35521,35527,35531,35533,35537,35543,35569,35573, 35591,35593,35597,35603,35617,35671,35677,35729,35731,35747,35753,35759, 35771,35797,35801,35803,35809,35831,35837,35839,35851,35863,35869,35879, 35897,35899,35911,35923,35933,35951,35963,35969,35977,35983,35993,35999, 36007,36011,36013,36017,36037,36061,36067,36073,36083,36097,36107,36109, 36131,36137,36151,36161,36187,36191,36209,36217,36229,36241,36251,36263, 36269,36277,36293,36299,36307,36313,36319,36341,36343,36353,36373,36383, 36389,36433,36451,36457,36467,36469,36473,36479,36493,36497,36523,36527, 36529,36541,36551,36559,36563,36571,36583,36587,36599,36607,36629,36637, 36643,36653,36671,36677,36683,36691,36697,36709,36713,36721,36739,36749, 36761,36767,36779,36781,36787,36791,36793,36809,36821,36833,36847,36857, 36871,36877,36887,36899,36901,36913,36919,36923,36929,36931,36943,36947, 36973,36979,36997,37003,37013,37019,37021,37039,37049,37057,37061,37087, 37097,37117,37123,37139,37159,37171,37181,37189,37199,37201,37217,37223, 37243,37253,37273,37277,37307,37309,37313,37321,37337,37339,37357,37361, 37363,37369,37379,37397,37409,37423,37441,37447,37463,37483,37489,37493, 37501,37507,37511,37517,37529,37537,37547,37549,37561,37567,37571,37573, 37579,37589,37591,37607,37619,37633,37643,37649,37657,37663,37691,37693, 37699,37717,37747,37781,37783,37799,37811,37813,37831,37847,37853,37861, 37871,37879,37889,37897,37907,37951,37957,37963,37967,37987,37991,37993, 37997,38011,38039,38047,38053,38069,38083,38113,38119,38149,38153,38167, 38177,38183,38189,38197,38201,38219,38231,38237,38239,38261,38273,38281, 38287,38299,38303,38317,38321,38327,38329,38333,38351,38371,38377,38393, 38431,38447,38449,38453,38459,38461,38501,38543,38557,38561,38567,38569, 38593,38603,38609,38611,38629,38639,38651,38653,38669,38671,38677,38693, 38699,38707,38711,38713,38723,38729,38737,38747,38749,38767,38783,38791, 38803,38821,38833,38839,38851,38861,38867,38873,38891,38903,38917,38921, 38923,38933,38953,38959,38971,38977,38993,39019,39023,39041,39043,39047, 39079,39089,39097,39103,39107,39113,39119,39133,39139,39157,39161,39163, 39181,39191,39199,39209,39217,39227,39229,39233,39239,39241,39251,39293, 39301,39313,39317,39323,39341,39343,39359,39367,39371,39373,39383,39397, 39409,39419,39439,39443,39451,39461,39499,39503,39509,39511,39521,39541, 39551,39563,39569,39581,39607,39619,39623,39631,39659,39667,39671,39679, 39703,39709,39719,39727,39733,39749,39761,39769,39779,39791,39799,39821, 39827,39829,39839,39841,39847,39857,39863,39869,39877,39883,39887,39901, 39929,39937,39953,39971,39979,39983,39989,40009,40013,40031,40037,40039, 40063,40087,40093,40099,40111,40123,40127,40129,40151,40153,40163,40169, 40177,40189,40193,40213,40231,40237,40241,40253,40277,40283,40289,40343, 40351,40357,40361,40387,40423,40427,40429,40433,40459,40471,40483,40487, 40493,40499,40507,40519,40529,40531,40543,40559,40577,40583,40591,40597, 40609,40627,40637,40639,40693,40697,40699,40709,40739,40751,40759,40763, 40771,40787,40801,40813,40819,40823,40829,40841,40847,40849,40853,40867, 40879,40883,40897,40903,40927,40933,40939,40949,40961,40973,40993,41011, 41017,41023,41039,41047,41051,41057,41077,41081,41113,41117,41131,41141, 41143,41149,41161,41177,41179,41183,41189,41201,41203,41213,41221,41227, 41231,41233,41243,41257,41263,41269,41281,41299,41333,41341,41351,41357, 41381,41387,41389,41399,41411,41413,41443,41453,41467,41479,41491,41507, 41513,41519,41521,41539,41543,41549,41579,41593,41597,41603,41609,41611, 41617,41621,41627,41641,41647,41651,41659,41669,41681,41687,41719,41729, 41737,41759,41761,41771,41777,41801,41809,41813,41843,41849,41851,41863, 41879,41887,41893,41897,41903,41911,41927,41941,41947,41953,41957,41959, 41969,41981,41983,41999,42013,42017,42019,42023,42043,42061,42071,42073, 42083,42089,42101,42131,42139,42157,42169,42179,42181,42187,42193,42197, 42209,42221,42223,42227,42239,42257,42281,42283,42293,42299,42307,42323, 42331,42337,42349,42359,42373,42379,42391,42397,42403,42407,42409,42433, 42437,42443,42451,42457,42461,42463,42467,42473,42487,42491,42499,42509, 42533,42557,42569,42571,42577,42589,42611,42641,42643,42649,42667,42677, 42683,42689,42697,42701,42703,42709,42719,42727,42737,42743,42751,42767, 42773,42787,42793,42797,42821,42829,42839,42841,42853,42859,42863,42899, 42901,42923,42929,42937,42943,42953,42961,42967,42979,42989,43003,43013, 43019,43037,43049,43051,43063,43067,43093,43103,43117,43133,43151,43159, 43177,43189,43201,43207,43223,43237,43261,43271,43283,43291,43313,43319, 43321,43331,43391,43397,43399,43403,43411,43427,43441,43451,43457,43481, 43487,43499,43517,43541,43543,43573,43577,43579,43591,43597,43607,43609, 43613,43627,43633,43649,43651,43661,43669,43691,43711,43717,43721,43753, 43759,43777,43781,43783,43787,43789,43793,43801,43853,43867,43889,43891, 43913,43933,43943,43951,43961,43963,43969,43973,43987,43991,43997,44017, 44021,44027,44029,44041,44053,44059,44071,44087,44089,44101,44111,44119, 44123,44129,44131,44159,44171,44179,44189,44201,44203,44207,44221,44249, 44257,44263,44267,44269,44273,44279,44281,44293,44351,44357,44371,44381, 44383,44389,44417,44449,44453,44483,44491,44497,44501,44507,44519,44531, 44533,44537,44543,44549,44563,44579,44587,44617,44621,44623,44633,44641, 44647,44651,44657,44683,44687,44699,44701,44711,44729,44741,44753,44771, 44773,44777,44789,44797,44809,44819,44839,44843,44851,44867,44879,44887, 44893,44909,44917,44927,44939,44953,44959,44963,44971,44983,44987,45007, 45013,45053,45061,45077,45083,45119,45121,45127,45131,45137,45139,45161, 45179,45181,45191,45197,45233,45247,45259,45263,45281,45289,45293,45307, 45317,45319,45329,45337,45341,45343,45361,45377,45389,45403,45413,45427, 45433,45439,45481,45491,45497,45503,45523,45533,45541,45553,45557,45569, 45587,45589,45599,45613,45631,45641,45659,45667,45673,45677,45691,45697, 45707,45737,45751,45757,45763,45767,45779,45817,45821,45823,45827,45833, 45841,45853,45863,45869,45887,45893,45943,45949,45953,45959,45971,45979, 45989,46021,46027,46049,46051,46061,46073,46091,46093,46099,46103,46133, 46141,46147,46153,46171,46181,46183,46187,46199,46219,46229,46237,46261, 46271,46273,46279,46301,46307,46309,46327,46337,46349,46351,46381,46399, 46411,46439,46441,46447,46451,46457,46471,46477,46489,46499,46507,46511, 46523,46549,46559,46567,46573,46589,46591,46601,46619,46633,46639,46643, 46649,46663,46679,46681,46687,46691,46703,46723,46727,46747,46751,46757, 46769,46771,46807,46811,46817,46819,46829,46831,46853,46861,46867,46877, 46889,46901,46919,46933,46957,46993,46997,47017,47041,47051,47057,47059, 47087,47093,47111,47119,47123,47129,47137,47143,47147,47149,47161,47189, 47207,47221,47237,47251,47269,47279,47287,47293,47297,47303,47309,47317, 47339,47351,47353,47363,47381,47387,47389,47407,47417,47419,47431,47441, 47459,47491,47497,47501,47507,47513,47521,47527,47533,47543,47563,47569, 47581,47591,47599,47609,47623,47629,47639,47653,47657,47659,47681,47699, 47701,47711,47713,47717,47737,47741,47743,47777,47779,47791,47797,47807, 47809,47819,47837,47843,47857,47869,47881,47903,47911,47917,47933,47939, 47947,47951,47963,47969,47977,47981,48017,48023,48029,48049,48073,48079, 48091,48109,48119,48121,48131,48157,48163,48179,48187,48193,48197,48221, 48239,48247,48259,48271,48281,48299,48311,48313,48337,48341,48353,48371, 48383,48397,48407,48409,48413,48437,48449,48463,48473,48479,48481,48487, 48491,48497,48523,48527,48533,48539,48541,48563,48571,48589,48593,48611, 48619,48623,48647,48649,48661,48673,48677,48679,48731,48733,48751,48757, 48761,48767,48779,48781,48787,48799,48809,48817,48821,48823,48847,48857, 48859,48869,48871,48883,48889,48907,48947,48953,48973,48989,48991,49003, 49009,49019,49031,49033,49037,49043,49057,49069,49081,49103,49109,49117, 49121,49123,49139,49157,49169,49171,49177,49193,49199,49201,49207,49211, 49223,49253,49261,49277,49279,49297,49307,49331,49333,49339,49363,49367, 49369,49391,49393,49409,49411,49417,49429,49433,49451,49459,49463,49477, 49481,49499,49523,49529,49531,49537,49547,49549,49559,49597,49603,49613, 49627,49633,49639,49663,49667,49669,49681,49697,49711,49727,49739,49741, 49747,49757,49783,49787,49789,49801,49807,49811,49823,49831,49843,49853, 49871,49877,49891,49919,49921,49927,49937,49939,49943,49957,49991,49993, 49999,50021,50023,50033,50047,50051,50053,50069,50077,50087,50093,50101, 50111,50119,50123,50129,50131,50147,50153,50159,50177,50207,50221,50227, 50231,50261,50263,50273,50287,50291,50311,50321,50329,50333,50341,50359, 50363,50377,50383,50387,50411,50417,50423,50441,50459,50461,50497,50503, 50513,50527,50539,50543,50549,50551,50581,50587,50591,50593,50599,50627, 50647,50651,50671,50683,50707,50723,50741,50753,50767,50773,50777,50789, 50821,50833,50839,50849,50857,50867,50873,50891,50893,50909,50923,50929, 50951,50957,50969,50971,50989,50993,51001,51031,51043,51047,51059,51061, 51071,51109,51131,51133,51137,51151,51157,51169,51193,51197,51199,51203, 51217,51229,51239,51241,51257,51263,51283,51287,51307,51329,51341,51343, 51347,51349,51361,51383,51407,51413,51419,51421,51427,51431,51437,51439, 51449,51461,51473,51479,51481,51487,51503,51511,51517,51521,51539,51551, 51563,51577,51581,51593,51599,51607,51613,51631,51637,51647,51659,51673, 51679,51683,51691,51713,51719,51721,51749,51767,51769,51787,51797,51803, 51817,51827,51829,51839,51853,51859,51869,51871,51893,51899,51907,51913, 51929,51941,51949,51971,51973,51977,51991,52009,52021,52027,52051,52057, 52067,52069,52081,52103,52121,52127,52147,52153,52163,52177,52181,52183, 52189,52201,52223,52237,52249,52253,52259,52267,52289,52291,52301,52313, 52321,52361,52363,52369,52379,52387,52391,52433,52453,52457,52489,52501, 52511,52517,52529,52541,52543,52553,52561,52567,52571,52579,52583,52609, 52627,52631,52639,52667,52673,52691,52697,52709,52711,52721,52727,52733, 52747,52757,52769,52783,52807,52813,52817,52837,52859,52861,52879,52883, 52889,52901,52903,52919,52937,52951,52957,52963,52967,52973,52981,52999, 53003,53017,53047,53051,53069,53077,53087,53089,53093,53101,53113,53117, 53129,53147,53149,53161,53171,53173,53189,53197,53201,53231,53233,53239, 53267,53269,53279,53281,53299,53309,53323,53327,53353,53359,53377,53381, 53401,53407,53411,53419,53437,53441,53453,53479,53503,53507,53527,53549, 53551,53569,53591,53593,53597,53609,53611,53617,53623,53629,53633,53639, 53653,53657,53681,53693,53699,53717,53719,53731,53759,53773,53777,53783, 53791,53813,53819,53831,53849,53857,53861,53881,53887,53891,53897,53899, 53917,53923,53927,53939,53951,53959,53987,53993,54001,54011,54013,54037, 54049,54059,54083,54091,54101,54121,54133,54139,54151,54163,54167,54181, 54193,54217,54251,54269,54277,54287,54293,54311,54319,54323,54331,54347, 54361,54367,54371,54377,54401,54403,54409,54413,54419,54421,54437,54443, 54449,54469,54493,54497,54499,54503,54517,54521,54539,54541,54547,54559, 54563,54577,54581,54583,54601,54617,54623,54629,54631,54647,54667,54673, 54679,54709,54713,54721,54727,54751,54767,54773,54779,54787,54799,54829, 54833,54851,54869,54877,54881,54907,54917,54919,54941,54949,54959,54973, 54979,54983,55001,55009,55021,55049,55051,55057,55061,55073,55079,55103, 55109,55117,55127,55147,55163,55171,55201,55207,55213,55217,55219,55229, 55243,55249,55259,55291,55313,55331,55333,55337,55339,55343,55351,55373, 55381,55399,55411,55439,55441,55457,55469,55487,55501,55511,55529,55541, 55547,55579,55589,55603,55609,55619,55621,55631,55633,55639,55661,55663, 55667,55673,55681,55691,55697,55711,55717,55721,55733,55763,55787,55793, 55799,55807,55813,55817,55819,55823,55829,55837,55843,55849,55871,55889, 55897,55901,55903,55921,55927,55931,55933,55949,55967,55987,55997,56003, 56009,56039,56041,56053,56081,56087,56093,56099,56101,56113,56123,56131, 56149,56167,56171,56179,56197,56207,56209,56237,56239,56249,56263,56267, 56269,56299,56311,56333,56359,56369,56377,56383,56393,56401,56417,56431, 56437,56443,56453,56467,56473,56477,56479,56489,56501,56503,56509,56519, 56527,56531,56533,56543,56569,56591,56597,56599,56611,56629,56633,56659, 56663,56671,56681,56687,56701,56711,56713,56731,56737,56747,56767,56773, 56779,56783,56807,56809,56813,56821,56827,56843,56857,56873,56891,56893, 56897,56909,56911,56921,56923,56929,56941,56951,56957,56963,56983,56989, 56993,56999,57037,57041,57047,57059,57073,57077,57089,57097,57107,57119, 57131,57139,57143,57149,57163,57173,57179,57191,57193,57203,57221,57223, 57241,57251,57259,57269,57271,57283,57287,57301,57329,57331,57347,57349, 57367,57373,57383,57389,57397,57413,57427,57457,57467,57487,57493,57503, 57527,57529,57557,57559,57571,57587,57593,57601,57637,57641,57649,57653, 57667,57679,57689,57697,57709,57713,57719,57727,57731,57737,57751,57773, 57781,57787,57791,57793,57803,57809,57829,57839,57847,57853,57859,57881, 57899,57901,57917,57923,57943,57947,57973,57977,57991,58013,58027,58031, 58043,58049,58057,58061,58067,58073,58099,58109,58111,58129,58147,58151, 58153,58169,58171,58189,58193,58199,58207,58211,58217,58229,58231,58237, 58243,58271,58309,58313,58321,58337,58363,58367,58369,58379,58391,58393, 58403,58411,58417,58427,58439,58441,58451,58453,58477,58481,58511,58537, 58543,58549,58567,58573,58579,58601,58603,58613,58631,58657,58661,58679, 58687,58693,58699,58711,58727,58733,58741,58757,58763,58771,58787,58789, 58831,58889,58897,58901,58907,58909,58913,58921,58937,58943,58963,58967, 58979,58991,58997,59009,59011,59021,59023,59029,59051,59053,59063,59069, 59077,59083,59093,59107,59113,59119,59123,59141,59149,59159,59167,59183, 59197,59207,59209,59219,59221,59233,59239,59243,59263,59273,59281,59333, 59341,59351,59357,59359,59369,59377,59387,59393,59399,59407,59417,59419, 59441,59443,59447,59453,59467,59471,59473,59497,59509,59513,59539,59557, 59561,59567,59581,59611,59617,59621,59627,59629,59651,59659,59663,59669, 59671,59693,59699,59707,59723,59729,59743,59747,59753,59771,59779,59791, 59797,59809,59833,59863,59879,59887,59921,59929,59951,59957,59971,59981, 59999,60013,60017,60029,60037,60041,60077,60083,60089,60091,60101,60103, 60107,60127,60133,60139,60149,60161,60167,60169,60209,60217,60223,60251, 60257,60259,60271,60289,60293,60317,60331,60337,60343,60353,60373,60383, 60397,60413,60427,60443,60449,60457,60493,60497,60509,60521,60527,60539, 60589,60601,60607,60611,60617,60623,60631,60637,60647,60649,60659,60661, 60679,60689,60703,60719,60727,60733,60737,60757,60761,60763,60773,60779, 60793,60811,60821,60859,60869,60887,60889,60899,60901,60913,60917,60919, 60923,60937,60943,60953,60961,61001,61007,61027,61031,61043,61051,61057, 61091,61099,61121,61129,61141,61151,61153,61169,61211,61223,61231,61253, 61261,61283,61291,61297,61331,61333,61339,61343,61357,61363,61379,61381, 61403,61409,61417,61441,61463,61469,61471,61483,61487,61493,61507,61511, 61519,61543,61547,61553,61559,61561,61583,61603,61609,61613,61627,61631, 61637,61643,61651,61657,61667,61673,61681,61687,61703,61717,61723,61729, 61751,61757,61781,61813,61819,61837,61843,61861,61871,61879,61909,61927, 61933,61949,61961,61967,61979,61981,61987,61991,62003,62011,62017,62039, 62047,62053,62057,62071,62081,62099,62119,62129,62131,62137,62141,62143, 62171,62189,62191,62201,62207,62213,62219,62233,62273,62297,62299,62303, 62311,62323,62327,62347,62351,62383,62401,62417,62423,62459,62467,62473, 62477,62483,62497,62501,62507,62533,62539,62549,62563,62581,62591,62597, 62603,62617,62627,62633,62639,62653,62659,62683,62687,62701,62723,62731, 62743,62753,62761,62773,62791,62801,62819,62827,62851,62861,62869,62873, 62897,62903,62921,62927,62929,62939,62969,62971,62981,62983,62987,62989, 63029,63031,63059,63067,63073,63079,63097,63103,63113,63127,63131,63149, 63179,63197,63199,63211,63241,63247,63277,63281,63299,63311,63313,63317, 63331,63337,63347,63353,63361,63367,63377,63389,63391,63397,63409,63419, 63421,63439,63443,63463,63467,63473,63487,63493,63499,63521,63527,63533, 63541,63559,63577,63587,63589,63599,63601,63607,63611,63617,63629,63647, 63649,63659,63667,63671,63689,63691,63697,63703,63709,63719,63727,63737, 63743,63761,63773,63781,63793,63799,63803,63809,63823,63839,63841,63853, 63857,63863,63901,63907,63913,63929,63949,63977,63997,64007,64013,64019, 64033,64037,64063,64067,64081,64091,64109,64123,64151,64153,64157,64171, 64187,64189,64217,64223,64231,64237,64271,64279,64283,64301,64303,64319, 64327,64333,64373,64381,64399,64403,64433,64439,64451,64453,64483,64489, 64499,64513,64553,64567,64577,64579,64591,64601,64609,64613,64621,64627, 64633,64661,64663,64667,64679,64693,64709,64717,64747,64763,64781,64783, 64793,64811,64817,64849,64853,64871,64877,64879,64891,64901,64919,64921, 64927,64937,64951,64969,64997,65003,65011,65027,65029,65033,65053,65063, 65071,65089,65099,65101,65111,65119,65123,65129,65141,65147,65167,65171, 65173,65179,65183,65203,65213,65239,65257,65267,65269,65287,65293,65309, 65323,65327,65353,65357,65371,65381,65393,65407,65413,65419,65423,65437, 65447,65449,65479,65497,65519,65521); type TOmfLibHash = record block_x: Integer; block_d: Integer; bucket_x: Integer; bucket_d: Integer; end; function compute_omf_lib_hash(const name: string; blocks: Integer): TOmfLibHash; { OMF segment class names for the object sections, produced by the FPC code generator } function omf_segclass(atype:TAsmSectiontype):string; function omf_sectiontype2align(atype:TAsmSectiontype):longint; { returns whether the specified section type belongs to the group DGROUP in the current memory model. DGROUP is the segment group pointed by DS } function section_belongs_to_dgroup(atype:TAsmSectiontype): Boolean; function omf_section_primary_group(atype:TAsmSectiontype;const aname:string):string; implementation uses cutils,globtype,globals, cpuinfo, verbose, fmodule; { TOmfOrderedNameCollection } function TOmfOrderedNameCollection.GetString(Index: Integer): string; begin Result:=FStringList[Index-1]; end; function TOmfOrderedNameCollection.GetCount: Integer; begin Result:=Length(FStringList); end; procedure TOmfOrderedNameCollection.SetString(Index: Integer; AValue: string); begin FStringList[Index-1]:=AValue; end; constructor TOmfOrderedNameCollection.Create(AAllowDuplicates: Boolean); begin FAllowDuplicates:=AAllowDuplicates; end; function TOmfOrderedNameCollection.Add(const S: string): Integer; var I: Integer; begin if not AllowDuplicates then begin for I:=Low(FStringList) to High(FStringList) do if FStringList[I]=S then exit(I+1); end; Result:=Length(FStringList)+1; SetLength(FStringList,Result); FStringList[Result-1]:=S; end; procedure TOmfOrderedNameCollection.Clear; begin SetLength(FStringList,0); end; { TOmfRawRecord } function TOmfRawRecord.GetRecordType: Byte; begin Result:=RawData[-3]; end; procedure TOmfRawRecord.SetRecordType(AValue: Byte); begin RawData[-3]:=AValue; end; function TOmfRawRecord.GetRecordLength: Word; begin Result:=RawData[-2] or (RawData[-1] shl 8); end; procedure TOmfRawRecord.SetRecordLength(AValue: Word); begin RawData[-2]:=Byte(AValue); RawData[-1]:=Byte(AValue shr 8); end; function TOmfRawRecord.ReadStringAt(Offset: Integer; out s: string): Integer; var len: Byte; begin s:=''; len:=RawData[Offset]; Result:=Offset+len+1; if result>RecordLength then internalerror(2015033103); SetLength(s, len); UniqueString(s); if len>0 then Move(RawData[Offset+1],s[1],len); end; function TOmfRawRecord.WriteStringAt(Offset: Integer; s: string): Integer; var len : longint; begin len:=Length(s); if len>255 then internalerror(2015033101); result:=Offset+len+1; if result>High(RawData) then internalerror(2015033102); RawData[Offset]:=len; if len>0 then Move(s[1], RawData[Offset+1], len); end; function TOmfRawRecord.ReadIndexedRef(Offset: Integer; out IndexedRef: Integer): Integer; begin Result:=Offset+1; if result>RecordLength then internalerror(2015033108); IndexedRef:=RawData[Offset]; if IndexedRef<=$7f then exit; Result:=Offset+2; if result>RecordLength then internalerror(2015033109); IndexedRef:=((IndexedRef and $7f) shl 8)+RawData[Offset+1]; end; function TOmfRawRecord.WriteIndexedRef(Offset: Integer; IndexedRef: Integer): Integer; begin if (IndexedRef<0) or (IndexedRef>$7FFF) then internalerror(2015040303); if IndexedRef<=$7f then begin Result:=Offset+1; if Result>High(RawData) then internalerror(2015033106); RawData[Offset]:=IndexedRef; end else begin Result:=Offset+2; if Result>High(RawData) then internalerror(2015033107); RawData[Offset]:=$80+(IndexedRef shr 8); RawData[Offset+1]:=Byte(IndexedRef); end; end; function TOmfRawRecord.GetChecksumByte: Byte; begin if RecordLength>0 then Result:=RawData[RecordLength-1] else Result:=0; end; procedure TOmfRawRecord.SetChecksumByte(AValue: Byte); begin if RecordLength>0 then RawData[RecordLength-1]:=AValue; end; procedure TOmfRawRecord.CalculateChecksumByte; var I: Integer; b: Byte; begin b:=0; for I:=-3 to RecordLength-2 do b:=byte(b+RawData[I]); SetChecksumByte(byte($100-b)); end; function TOmfRawRecord.VerifyChecksumByte: boolean; var I: Integer; b: Byte; begin { according to the OMF spec, some tools always write a 0 rather than computing the checksum, so it should also be accepted as correct } if ChecksumByte=0 then exit(true); b:=0; for I:=-3 to RecordLength-1 do b:=byte(b+RawData[I]); Result:=(b=0); end; procedure TOmfRawRecord.ReadFrom(aReader: TObjectReader); begin aReader.read(RawData, 3); aReader.read(RawData[0], RecordLength); end; procedure TOmfRawRecord.ReadFrom(aReader: TDynamicArray); begin aReader.read(RawData, 3); aReader.read(RawData[0], RecordLength); end; procedure TOmfRawRecord.WriteTo(aWriter: TObjectWriter); begin aWriter.write(RawData, RecordLength+3); end; procedure TOmfRawRecord.WriteTo(aWriter: TDynamicArray); begin aWriter.write(RawData, RecordLength+3); end; { TOmfRecord_THEADR } procedure TOmfRecord_THEADR.DecodeFrom(RawRecord: TOmfRawRecord); begin if RawRecord.RecordType<>RT_THEADR then internalerror(2015040301); RawRecord.ReadStringAt(0,FModuleName); end; procedure TOmfRecord_THEADR.EncodeTo(RawRecord: TOmfRawRecord); var NextOfs: Integer; begin RawRecord.RecordType:=RT_THEADR; NextOfs:=RawRecord.WriteStringAt(0,ModuleName); RawRecord.RecordLength:=NextOfs+1; RawRecord.CalculateChecksumByte; end; { TOmfRecord_COMENT } function TOmfRecord_COMENT.GetNoList: Boolean; begin Result:=(CommentType and $40)<>0; end; function TOmfRecord_COMENT.GetNoPurge: Boolean; begin Result:=(CommentType and $80)<>0; end; procedure TOmfRecord_COMENT.SetNoList(AValue: Boolean); begin if AValue then CommentType:=CommentType or $40 else CommentType:=CommentType and $BF; end; procedure TOmfRecord_COMENT.SetNoPurge(AValue: Boolean); begin if AValue then CommentType:=CommentType or $80 else CommentType:=CommentType and $7F; end; procedure TOmfRecord_COMENT.DecodeFrom(RawRecord: TOmfRawRecord); begin if RawRecord.RecordType<>RT_COMENT then internalerror(2015040304); if RawRecord.RecordLength<3 then internalerror(2015033104); CommentType:=RawRecord.RawData[0]; CommentClass:=RawRecord.RawData[1]; SetLength(FCommentString,RawRecord.RecordLength-3); UniqueString(FCommentString); Move(RawRecord.RawData[2],FCommentString[1],Length(FCommentString)); end; procedure TOmfRecord_COMENT.EncodeTo(RawRecord: TOmfRawRecord); var len : longint; begin RawRecord.RecordType:=RT_COMENT; len:=Length(FCommentString); if (len+3)>High(RawRecord.RawData) then internalerror(2015033105); RawRecord.RecordLength:=len+3; RawRecord.RawData[0]:=CommentType; RawRecord.RawData[1]:=CommentClass; if len>0 then Move(FCommentString[1],RawRecord.RawData[2],len); RawRecord.CalculateChecksumByte; end; { TOmfRecord_COMENT_IMPDEF } procedure TOmfRecord_COMENT_IMPDEF.DecodeFrom(ComentRecord: TOmfRecord_COMENT); var InternalNameLen, ModuleNameLenIdx, ModuleNameLen, NameLenIdx, NameLen, OrdinalIdx: Integer; begin if ComentRecord.CommentClass<>CC_OmfExtension then internalerror(2019061621); if Length(ComentRecord.CommentString)<5 then internalerror(2019061622); if ComentRecord.CommentString[1]<>Chr(CC_OmfExtension_IMPDEF) then internalerror(2019061623); ImportByOrdinal:=Ord(ComentRecord.CommentString[2])<>0; InternalNameLen:=Ord(ComentRecord.CommentString[3]); InternalName:=Copy(ComentRecord.CommentString,4,InternalNameLen); ModuleNameLenIdx:=4+InternalNameLen; if ModuleNameLenIdx>Length(ComentRecord.CommentString) then internalerror(2019061624); ModuleNameLen:=Ord(ComentRecord.CommentString[ModuleNameLenIdx]); ModuleName:=Copy(ComentRecord.CommentString,ModuleNameLenIdx+1,ModuleNameLen); if ImportByOrdinal then begin Name:=''; OrdinalIdx:=ModuleNameLenIdx+1+ModuleNameLen; if (OrdinalIdx+1)>Length(ComentRecord.CommentString) then internalerror(2019061625); Ordinal:=Ord(ComentRecord.CommentString[OrdinalIdx]) or (Word(Ord(ComentRecord.CommentString[OrdinalIdx+1])) shl 8); end else begin Ordinal:=0; NameLenIdx:=ModuleNameLenIdx+1+ModuleNameLen; if NameLenIdx>Length(ComentRecord.CommentString) then internalerror(2019061626); NameLen:=Ord(ComentRecord.CommentString[NameLenIdx]); if (NameLenIdx+NameLen)>Length(ComentRecord.CommentString) then internalerror(2019061627); Name:=Copy(ComentRecord.CommentString,NameLenIdx+1,NameLen); if Name='' then Name:=InternalName; end; end; procedure TOmfRecord_COMENT_IMPDEF.EncodeTo(ComentRecord: TOmfRecord_COMENT); begin ComentRecord.CommentClass:=CC_OmfExtension; if ImportByOrdinal then ComentRecord.CommentString:=Chr(CC_OmfExtension_IMPDEF)+#1+ Chr(Length(InternalName))+InternalName+ Chr(Length(ModuleName))+ModuleName+ Chr(Ordinal and $ff)+Chr((Ordinal shr 8) and $ff) else if InternalName=Name then ComentRecord.CommentString:=Chr(CC_OmfExtension_IMPDEF)+#0+ Chr(Length(InternalName))+InternalName+ Chr(Length(ModuleName))+ModuleName+#0 else ComentRecord.CommentString:=Chr(CC_OmfExtension_IMPDEF)+#0+ Chr(Length(InternalName))+InternalName+ Chr(Length(ModuleName))+ModuleName+ Chr(Length(Name))+Name; end; { TOmfRecord_COMENT_EXPDEF } procedure TOmfRecord_COMENT_EXPDEF.DecodeFrom(ComentRecord: TOmfRecord_COMENT); var expflag: Byte; ExportedNameLen, InternalNameLenIdx, InternalNameLen, ExportOrdinalIdx: Integer; begin if ComentRecord.CommentClass<>CC_OmfExtension then internalerror(2019061601); if Length(ComentRecord.CommentString)<4 then internalerror(2019061602); if ComentRecord.CommentString[1]<>Chr(CC_OmfExtension_EXPDEF) then internalerror(2019061603); expflag:=Ord(ComentRecord.CommentString[2]); ExportByOrdinal:=(expflag and $80)<>0; ResidentName:=(expflag and $40)<>0; NoData:=(expflag and $20)<>0; ParmCount:=expflag and $1F; ExportedNameLen:=Ord(ComentRecord.CommentString[3]); ExportedName:=Copy(ComentRecord.CommentString,4,ExportedNameLen); InternalNameLenIdx:=4+ExportedNameLen; if InternalNameLenIdx>Length(ComentRecord.CommentString) then internalerror(2019061604); InternalNameLen:=Ord(ComentRecord.CommentString[InternalNameLenIdx]); if (InternalNameLenIdx+InternalNameLen)>Length(ComentRecord.CommentString) then internalerror(2019061605); InternalName:=Copy(ComentRecord.CommentString,InternalNameLenIdx+1,InternalNameLen); if ExportByOrdinal then begin ExportOrdinalIdx:=InternalNameLenIdx+1+InternalNameLen; if (ExportOrdinalIdx+1)>Length(ComentRecord.CommentString) then internalerror(2019061606); ExportOrdinal:=Ord(ComentRecord.CommentString[ExportOrdinalIdx]) or (Word(Ord(ComentRecord.CommentString[ExportOrdinalIdx+1])) shl 8); end else ExportOrdinal:=0; if InternalName='' then InternalName:=ExportedName; end; procedure TOmfRecord_COMENT_EXPDEF.EncodeTo(ComentRecord: TOmfRecord_COMENT); var expflag: Byte; begin ComentRecord.CommentClass:=CC_OmfExtension; if (ParmCount<0) or (ParmCount>31) then internalerror(2019061504); expflag:=ParmCount; if ExportByOrdinal then expflag:=expflag or $80; if ResidentName then expflag:=expflag or $40; if NoData then expflag:=expflag or $20; if ExportByOrdinal then if InternalName=ExportedName then ComentRecord.CommentString:=Chr(CC_OmfExtension_EXPDEF)+Chr(expflag)+ Chr(Length(ExportedName))+ExportedName+#0+ Chr(Byte(ExportOrdinal))+Chr(Byte(ExportOrdinal shr 8)) else ComentRecord.CommentString:=Chr(CC_OmfExtension_EXPDEF)+Chr(expflag)+ Chr(Length(ExportedName))+ExportedName+ Chr(Length(InternalName))+InternalName+ Chr(Byte(ExportOrdinal))+Chr(Byte(ExportOrdinal shr 8)) else if InternalName=ExportedName then ComentRecord.CommentString:=Chr(CC_OmfExtension_EXPDEF)+Chr(expflag)+ Chr(Length(ExportedName))+ExportedName+#0 else ComentRecord.CommentString:=Chr(CC_OmfExtension_EXPDEF)+Chr(expflag)+ Chr(Length(ExportedName))+ExportedName+ Chr(Length(InternalName))+InternalName; end; { TOmfRecord_LNAMES } constructor TOmfRecord_LNAMES.Create; begin FNextIndex:=1; end; procedure TOmfRecord_LNAMES.DecodeFrom(RawRecord: TOmfRawRecord); var NextOfs: Integer; Name: string; begin if RawRecord.RecordType<>RT_LNAMES then internalerror(2015040308); NextOfs:=0; while NextOfs<(RawRecord.RecordLength-1) do begin NextOfs:=RawRecord.ReadStringAt(NextOfs,Name); Names.Add(Name); end; end; procedure TOmfRecord_LNAMES.EncodeTo(RawRecord: TOmfRawRecord); const RecordLengthLimit = 1024; var Len,LastIncludedIndex,NextOfs,I: Integer; begin RawRecord.RecordType:=RT_LNAMES; { find out how many strings can we include until we reach the length limit } Len:=1; LastIncludedIndex:=NextIndex-1; repeat Inc(LastIncludedIndex); Inc(Len,Length(Names[LastIncludedIndex])+1); until (LastIncludedIndex>=Names.Count) or ((Len+Length(Names[LastIncludedIndex+1])+1)>=RecordLengthLimit); { write the strings... } NextOfs:=0; for I:=NextIndex to LastIncludedIndex do NextOfs:=RawRecord.WriteStringAt(NextOfs,Names[I]); RawRecord.RecordLength:=Len; RawRecord.CalculateChecksumByte; { update NextIndex } NextIndex:=LastIncludedIndex+1; end; { TOmfRecord_SEGDEF } procedure TOmfRecord_SEGDEF.DecodeFrom(RawRecord: TOmfRawRecord); var B: Byte; Big: Boolean; NextOfs: Integer; MinLen: Integer; begin if not (RawRecord.RecordType in [RT_SEGDEF,RT_SEGDEF32]) then internalerror(2015040309); Is32Bit:=RawRecord.RecordType=RT_SEGDEF32; MinLen:=7; { b(1)+seglength(2..4)+segnameindex(1..2)+classnameindex(1..2)+overlaynameindex(1..2)+checksum } if Is32Bit then inc(MinLen,2); if RawRecord.RecordLength0; Use:=TOmfSegmentUse(B and 1); NextOfs:=1; if Alignment=saAbsolute then begin inc(MinLen,3); if RawRecord.RecordLength4294967296 then internalerror(2015040307); Big:=SegmentLength=4294967296; end else begin RawRecord.RecordType:=RT_SEGDEF; if SegmentLength>65536 then internalerror(2015040302); Big:=SegmentLength=65536; end; RawRecord.RawData[0]:=(Ord(Alignment) shl 5) or (Ord(Combination) shl 2) or (Ord(Big) shl 1) or Ord(Use); NextOfs:=1; if Alignment=saAbsolute then begin RawRecord.RawData[1]:=Byte(FrameNumber); RawRecord.RawData[2]:=Byte(FrameNumber shr 8); RawRecord.RawData[3]:=Offset; NextOfs:=4; end; if Is32Bit then begin RawRecord.RawData[NextOfs]:=Byte(SegmentLength); RawRecord.RawData[NextOfs+1]:=Byte(SegmentLength shr 8); RawRecord.RawData[NextOfs+2]:=Byte(SegmentLength shr 16); RawRecord.RawData[NextOfs+3]:=Byte(SegmentLength shr 24); Inc(NextOfs,4); end else begin RawRecord.RawData[NextOfs]:=Byte(SegmentLength); RawRecord.RawData[NextOfs+1]:=Byte(SegmentLength shr 8); Inc(NextOfs,2); end; NextOfs:=RawRecord.WriteIndexedRef(NextOfs,SegmentNameIndex); NextOfs:=RawRecord.WriteIndexedRef(NextOfs,ClassNameIndex); NextOfs:=RawRecord.WriteIndexedRef(NextOfs,OverlayNameIndex); RawRecord.RecordLength:=NextOfs+1; RawRecord.CalculateChecksumByte; end; procedure TOmfRecord_SEGDEF.MaybeGo32; begin if SegmentLength>65536 then Is32Bit:=true; end; { TOmfRecord_GRPDEF } procedure TOmfRecord_GRPDEF.DecodeFrom(RawRecord: TOmfRawRecord); var NextOfs: Integer; Segment: Integer; begin if RawRecord.RecordType<>RT_GRPDEF then internalerror(2015040310); NextOfs:=RawRecord.ReadIndexedRef(0,FGroupNameIndex); SetLength(FSegmentList,0); while NextOfs$ff then internalerror(2015040901); NextOfs:=RawRecord.ReadIndexedRef(NextOfs+1,Segment); SetLength(FSegmentList,Length(FSegmentList)+1); FSegmentList[High(FSegmentList)]:=Segment; end; end; procedure TOmfRecord_GRPDEF.EncodeTo(RawRecord: TOmfRawRecord); var NextOfs: Integer; Segment: Integer; begin RawRecord.RecordType:=RT_GRPDEF; NextOfs:=RawRecord.WriteIndexedRef(0,GroupNameIndex); for Segment in SegmentList do begin if NextOfs>High(RawRecord.RawData) then internalerror(2015040401); RawRecord.RawData[NextOfs]:=$ff; NextOfs:=RawRecord.WriteIndexedRef(NextOfs+1,Segment); end; RawRecord.RecordLength:=NextOfs+1; RawRecord.CalculateChecksumByte; end; procedure TOmfRecord_GRPDEF.AddSegmentIndex(segidx: Integer); begin SetLength(FSegmentList,Length(FSegmentList)+1); FSegmentList[High(FSegmentList)]:=segidx; end; { TOmfPublicNameElement } function TOmfPublicNameElement.GetLengthInFile(Is32Bit: Boolean): Integer; begin Result:=1+Length(Name)+2+1; if Is32Bit then Inc(Result,2); if TypeIndex>=$80 then Inc(Result); end; { TOmfRecord_PUBDEF } procedure TOmfRecord_PUBDEF.DecodeFrom(RawRecord: TOmfRawRecord); var NextOfs: Integer; Name: string; TypeIndex: Integer; PublicOffset: DWord; PubName: TOmfPublicNameElement; begin if not (RawRecord.RecordType in [RT_PUBDEF,RT_PUBDEF32,RT_LPUBDEF,RT_LPUBDEF32]) then internalerror(2015040311); Is32Bit:=RawRecord.RecordType in [RT_PUBDEF32,RT_LPUBDEF32]; IsLocal:=RawRecord.RecordType in [RT_LPUBDEF,RT_LPUBDEF32]; NextOfs:=RawRecord.ReadIndexedRef(0,FBaseGroupIndex); NextOfs:=RawRecord.ReadIndexedRef(NextOfs,FBaseSegmentIndex); if BaseSegmentIndex=0 then begin if (NextOfs+1)>=RawRecord.RecordLength then internalerror(2015041401); BaseFrame:=RawRecord.RawData[NextOfs]+(RawRecord.RawData[NextOfs+1] shl 8); Inc(NextOfs,2); end else BaseFrame:=0; while NextOfs<(RawRecord.RecordLength-1) do begin NextOfs:=RawRecord.ReadStringAt(NextOfs,Name); if Is32Bit then begin if (NextOfs+3)>=RawRecord.RecordLength then internalerror(2015041405); PublicOffset:=RawRecord.RawData[NextOfs]+(RawRecord.RawData[NextOfs+1] shl 8)+ (RawRecord.RawData[NextOfs+2] shl 16)+(RawRecord.RawData[NextOfs+3] shl 24); Inc(NextOfs,4); end else begin if (NextOfs+1)>=RawRecord.RecordLength then internalerror(2015041407); PublicOffset:=RawRecord.RawData[NextOfs]+(RawRecord.RawData[NextOfs+1] shl 8); Inc(NextOfs,2); end; NextOfs:=RawRecord.ReadIndexedRef(NextOfs,TypeIndex); PubName:=TOmfPublicNameElement.Create(PublicNames,Name); PubName.IsLocal:=IsLocal; PubName.PublicOffset:=PublicOffset; PubName.TypeIndex:=TypeIndex; end; end; procedure TOmfRecord_PUBDEF.EncodeTo(RawRecord: TOmfRawRecord); const RecordLengthLimit = 1024; var Len,LastIncludedIndex,NextOfs,I: Integer; PubName: TOmfPublicNameElement; begin if NextIndex>=PublicNames.Count then internalerror(2018061101); MaybeGo32; IsLocal:=TOmfPublicNameElement(PublicNames[NextIndex]).IsLocal; if IsLocal then if Is32Bit then RawRecord.RecordType:=RT_LPUBDEF32 else RawRecord.RecordType:=RT_LPUBDEF else if Is32Bit then RawRecord.RecordType:=RT_PUBDEF32 else RawRecord.RecordType:=RT_PUBDEF; NextOfs:=RawRecord.WriteIndexedRef(0,BaseGroupIndex); NextOfs:=RawRecord.WriteIndexedRef(NextOfs,BaseSegmentIndex); if BaseSegmentIndex=0 then begin RawRecord.RawData[NextOfs]:=Byte(BaseFrame); RawRecord.RawData[NextOfs+1]:=Byte(BaseFrame shr 8); Inc(NextOfs,2); end; { find out how many public names can we include until we reach the length limit } Len:=NextOfs; LastIncludedIndex:=NextIndex-1; repeat Inc(LastIncludedIndex); Inc(Len,TOmfPublicNameElement(PublicNames[LastIncludedIndex]).GetLengthInFile(Is32Bit)); until (LastIncludedIndex>=(PublicNames.Count-1)) or ((Len+TOmfPublicNameElement(PublicNames[LastIncludedIndex+1]).GetLengthInFile(Is32Bit))>=RecordLengthLimit) or (TOmfPublicNameElement(PublicNames[LastIncludedIndex+1]).IsLocal<>IsLocal); { write the public names... } for I:=NextIndex to LastIncludedIndex do begin PubName:=TOmfPublicNameElement(PublicNames[I]); NextOfs:=RawRecord.WriteStringAt(NextOfs,PubName.Name); if Is32Bit then begin RawRecord.RawData[NextOfs]:=Byte(PubName.PublicOffset); RawRecord.RawData[NextOfs+1]:=Byte(PubName.PublicOffset shr 8); RawRecord.RawData[NextOfs+2]:=Byte(PubName.PublicOffset shr 16); RawRecord.RawData[NextOfs+3]:=Byte(PubName.PublicOffset shr 24); Inc(NextOfs,4); end else begin if PubName.PublicOffset>$ffff then internalerror(2015041403); RawRecord.RawData[NextOfs]:=Byte(PubName.PublicOffset); RawRecord.RawData[NextOfs+1]:=Byte(PubName.PublicOffset shr 8); Inc(NextOfs,2); end; NextOfs:=RawRecord.WriteIndexedRef(NextOfs,PubName.TypeIndex); end; RawRecord.RecordLength:=Len+1; RawRecord.CalculateChecksumByte; { update NextIndex } NextIndex:=LastIncludedIndex+1; end; procedure TOmfRecord_PUBDEF.MaybeGo32; var I: Integer; PubName: TOmfPublicNameElement; begin for I:=0 to PublicNames.Count-1 do begin PubName:=TOmfPublicNameElement(PublicNames[I]); if PubName.PublicOffset>$ffff then begin Is32Bit:=true; exit; end; end; end; { TOmfExternalNameElement } function TOmfExternalNameElement.GetLengthInFile: Integer; begin Result:=1+Length(Name)+1; if TypeIndex>=$80 then Inc(Result); end; { TOmfRecord_EXTDEF } procedure TOmfRecord_EXTDEF.DecodeFrom(RawRecord: TOmfRawRecord); var NextOfs: Integer; Name: string; TypeIndex: Integer; ExtName: TOmfExternalNameElement; begin if RawRecord.RecordType<>RT_EXTDEF then internalerror(2015040312); NextOfs:=0; while NextOfs<(RawRecord.RecordLength-1) do begin NextOfs:=RawRecord.ReadStringAt(NextOfs,Name); NextOfs:=RawRecord.ReadIndexedRef(NextOfs,TypeIndex); ExtName:=TOmfExternalNameElement.Create(ExternalNames,Name); ExtName.TypeIndex:=TypeIndex; end; end; procedure TOmfRecord_EXTDEF.EncodeTo(RawRecord: TOmfRawRecord); const RecordLengthLimit = 1024; var Len,LastIncludedIndex,NextOfs,I: Integer; ExtName: TOmfExternalNameElement; begin RawRecord.RecordType:=RT_EXTDEF; NextOfs:=0; { find out how many external names can we include until we reach the length limit } Len:=NextOfs; LastIncludedIndex:=NextIndex-1; repeat Inc(LastIncludedIndex); Inc(Len,TOmfExternalNameElement(ExternalNames[LastIncludedIndex]).GetLengthInFile); until (LastIncludedIndex>=(ExternalNames.Count-1)) or ((Len+TOmfExternalNameElement(ExternalNames[LastIncludedIndex+1]).GetLengthInFile)>=RecordLengthLimit); { write the external names... } for I:=NextIndex to LastIncludedIndex do begin ExtName:=TOmfExternalNameElement(ExternalNames[I]); NextOfs:=RawRecord.WriteStringAt(NextOfs,ExtName.Name); NextOfs:=RawRecord.WriteIndexedRef(NextOfs,ExtName.TypeIndex); end; RawRecord.RecordLength:=Len+1; RawRecord.CalculateChecksumByte; { update NextIndex } NextIndex:=LastIncludedIndex+1; end; { TOmfRecord_MODEND } procedure TOmfRecord_MODEND.DecodeFrom(RawRecord: TOmfRawRecord); var ModTyp: Byte; NextOfs: Integer; EndData: Byte; begin if not (RawRecord.RecordType in [RT_MODEND,RT_MODEND32]) then internalerror(2015040313); Is32Bit:=RawRecord.RecordType=RT_MODEND32; if RawRecord.RecordLength<2 then internalerror(2015040318); ModTyp:=RawRecord.RawData[0]; IsMainModule:=(ModTyp and $80)<>0; HasStartAddress:=(ModTyp and $40)<>0; SegmentBit:=(ModTyp and $20)<>0; LogicalStartAddress:=(ModTyp and $01)<>0; if (ModTyp and $1E)<>0 then internalerror(2015041404); NextOfs:=1; { clear all the start address properties first } FrameMethod:=Low(FrameMethod); FrameDatum:=0; TargetMethod:=Low(TargetMethod); TargetDatum:=0; TargetDisplacement:=0; PhysFrameNumber:=0; PhysOffset:=0; if HasStartAddress then begin if LogicalStartAddress then begin if NextOfs>=RawRecord.RecordLength then internalerror(2015040319); EndData:=RawRecord.RawData[NextOfs]; Inc(NextOfs); { frame and target method determined by thread is not allowed in MODEND records } if (EndData and $88)<>0 then internalerror(2015041406); FrameMethod:=TOmfFixupFrameMethod((EndData shr 4) and 7); TargetMethod:=TOmfFixupTargetMethod(EndData and 7); { frame method ffmLocation is not allowed in an MODEND record } if FrameMethod=ffmLocation then internalerror(2015041402); { read Frame Datum? } if FrameMethod in [ffmSegmentIndex,ffmGroupIndex,ffmExternalIndex,ffmFrameNumber] then NextOfs:=RawRecord.ReadIndexedRef(NextOfs,FFrameDatum); { read Target Datum? } NextOfs:=RawRecord.ReadIndexedRef(NextOfs,FTargetDatum); { read Target Displacement? } if TargetMethod in [ftmSegmentIndex,ftmGroupIndex,ftmExternalIndex,ftmFrameNumber] then begin if Is32Bit then begin if (NextOfs+3)>=RawRecord.RecordLength then internalerror(2015040504); TargetDisplacement := RawRecord.RawData[NextOfs]+ (RawRecord.RawData[NextOfs+1] shl 8)+ (RawRecord.RawData[NextOfs+2] shl 16)+ (RawRecord.RawData[NextOfs+3] shl 24); Inc(NextOfs,4); end else begin if (NextOfs+1)>=RawRecord.RecordLength then internalerror(2015040508); TargetDisplacement := RawRecord.RawData[NextOfs]+ (RawRecord.RawData[NextOfs+1] shl 8); Inc(NextOfs,2); end; end; end else begin { physical start address } if (NextOfs+1)>=RawRecord.RecordLength then internalerror(2015040320); PhysFrameNumber:=RawRecord.RawData[NextOfs]+(RawRecord.RawData[NextOfs+1] shl 8); Inc(NextOfs,2); if Is32Bit then begin if (NextOfs+3)>=RawRecord.RecordLength then internalerror(2015040321); PhysOffset:=RawRecord.RawData[NextOfs]+(RawRecord.RawData[NextOfs+1] shl 8)+ (RawRecord.RawData[NextOfs+2] shl 16)+(RawRecord.RawData[NextOfs+3] shl 24); Inc(NextOfs,4); end else begin if (NextOfs+1)>=RawRecord.RecordLength then internalerror(2015040322); PhysOffset:=RawRecord.RawData[NextOfs]+(RawRecord.RawData[NextOfs+1] shl 8); Inc(NextOfs,2); end; end; end; end; procedure TOmfRecord_MODEND.EncodeTo(RawRecord: TOmfRawRecord); var ModTyp: Byte; NextOfs: Integer; EndData: Byte; begin if Is32Bit then RawRecord.RecordType:=RT_MODEND32 else RawRecord.RecordType:=RT_MODEND; ModTyp:=(Ord(IsMainModule) shl 7)+(Ord(HasStartAddress) shl 6)+(Ord(SegmentBit) shl 5)+Ord(LogicalStartAddress); RawRecord.RawData[0]:=ModTyp; NextOfs:=1; if HasStartAddress then begin if LogicalStartAddress then begin { frame method ffmLocation is not allowed in an MODEND record } if FrameMethod=ffmLocation then internalerror(2015041411); EndData:=(Ord(FrameMethod) shl 4)+Ord(TargetMethod); RawRecord.RawData[NextOfs]:=EndData; Inc(NextOfs); { save Frame Datum? } if FrameMethod in [ffmSegmentIndex,ffmGroupIndex,ffmExternalIndex,ffmFrameNumber] then NextOfs:=RawRecord.WriteIndexedRef(NextOfs,FrameDatum); { save Target Datum? } NextOfs:=RawRecord.WriteIndexedRef(NextOfs,TargetDatum); { save Target Displacement? } if TargetMethod in [ftmSegmentIndex,ftmGroupIndex,ftmExternalIndex,ftmFrameNumber] then begin if Is32Bit then begin RawRecord.RawData[NextOfs]:=Byte(TargetDisplacement); RawRecord.RawData[NextOfs+1]:=Byte(TargetDisplacement shr 8); RawRecord.RawData[NextOfs+2]:=Byte(TargetDisplacement shr 16); RawRecord.RawData[NextOfs+3]:=Byte(TargetDisplacement shr 24); Inc(NextOfs,4); end else begin if TargetDisplacement>$ffff then internalerror(2015040502); RawRecord.RawData[NextOfs]:=Byte(TargetDisplacement); RawRecord.RawData[NextOfs+1]:=Byte(TargetDisplacement shr 8); Inc(NextOfs,2); end; end; end else begin { physical start address } RawRecord.RawData[NextOfs]:=Byte(PhysFrameNumber); RawRecord.RawData[NextOfs+1]:=Byte(PhysFrameNumber shr 8); Inc(NextOfs,2); if Is32Bit then begin RawRecord.RawData[NextOfs]:=Byte(PhysOffset); RawRecord.RawData[NextOfs+1]:=Byte(PhysOffset shr 8); RawRecord.RawData[NextOfs+2]:=Byte(PhysOffset shr 16); RawRecord.RawData[NextOfs+3]:=Byte(PhysOffset shr 24); Inc(NextOfs,4); end else begin if PhysOffset>$ffff then internalerror(2015040506); RawRecord.RawData[NextOfs]:=Byte(PhysOffset); RawRecord.RawData[NextOfs+1]:=Byte(PhysOffset shr 8); Inc(NextOfs,2); end; end; end; RawRecord.RecordLength:=NextOfs+1; RawRecord.CalculateChecksumByte; end; { TOmfRecord_LINNUM } procedure TOmfRecord_LINNUM.DecodeFrom(RawRecord: TOmfRawRecord); var NextOfs: Integer; begin if not (RawRecord.RecordType in [RT_LINNUM,RT_LINNUM32]) then internalerror(2018050801); Is32Bit:=RawRecord.RecordType=RT_LINNUM32; NextOfs:=RawRecord.ReadIndexedRef(0,FBaseGroup); NextOfs:=RawRecord.ReadIndexedRef(NextOfs,FBaseSegment); DebugFormatSpecific_DecodeFrom(RawRecord,NextOfs); end; procedure TOmfRecord_LINNUM.EncodeTo(RawRecord: TOmfRawRecord); var NextOfs: Integer; begin if Is32Bit then RawRecord.RecordType:=RT_LINNUM32 else RawRecord.RecordType:=RT_LINNUM; NextOfs:=RawRecord.WriteIndexedRef(0,BaseGroup); NextOfs:=RawRecord.WriteIndexedRef(NextOfs,BaseSegment); DebugFormatSpecific_EncodeTo(RawRecord,NextOfs); RawRecord.RecordLength:=NextOfs+1; RawRecord.CalculateChecksumByte; end; { TOmfSubRecord_LINNUM_MsLink_Entry } constructor TOmfSubRecord_LINNUM_MsLink_Entry.Create(ALineNumber: TOmfSubRecord_LINNUM_MsLink_LineNumber; AOffset: DWord); begin LineNumber:=ALineNumber; Offset:=AOffset; end; { TOmfSubRecord_LINNUM_MsLink_LineNumberList } function TOmfSubRecord_LINNUM_MsLink_LineNumberList.GetCount: Integer; begin result:=FLineNumbers.Count; end; function TOmfSubRecord_LINNUM_MsLink_LineNumberList.GetItem(Index: Integer ): TOmfSubRecord_LINNUM_MsLink_Entry; begin result:=TOmfSubRecord_LINNUM_MsLink_Entry(FLineNumbers[Index]); end; procedure TOmfSubRecord_LINNUM_MsLink_LineNumberList.SetCount(AValue: Integer ); begin FLineNumbers.Count:=AValue; end; procedure TOmfSubRecord_LINNUM_MsLink_LineNumberList.SetItem(Index: Integer; AValue: TOmfSubRecord_LINNUM_MsLink_Entry); begin FLineNumbers[Index]:=AValue; end; constructor TOmfSubRecord_LINNUM_MsLink_LineNumberList.Create; begin FLineNumbers:=TFPObjectList.Create(true); end; destructor TOmfSubRecord_LINNUM_MsLink_LineNumberList.Destroy; begin FLineNumbers.Free; inherited Destroy; end; procedure TOmfSubRecord_LINNUM_MsLink_LineNumberList.Clear; begin FLineNumbers.Clear; end; function TOmfSubRecord_LINNUM_MsLink_LineNumberList.Add( AObject: TOmfSubRecord_LINNUM_MsLink_Entry): Integer; begin Result:=FLineNumbers.Add(AObject); end; { TOmfRecord_LINNUM_MsLink } procedure TOmfRecord_LINNUM_MsLink.DebugFormatSpecific_DecodeFrom( RawRecord: TOmfRawRecord; NextOfs: Integer); var RecordSize: Integer; LineNumber: Word; Offset: DWord; begin if Is32Bit then RecordSize:=6 else RecordSize:=4; while (NextOfs+RecordSize)=(LineNumberList.Count-1)) or ((Len+RecordSize)>=RecordLengthLimit); { write the line number info... } for I:=NextIndex to LastIncludedIndex do with LineNumberList.Items[I] do begin RawRecord.RawData[NextOfs]:=byte(LineNumber); RawRecord.RawData[NextOfs+1]:=byte(LineNumber shr 8); Inc(NextOfs,2); if Is32Bit then begin RawRecord.RawData[NextOfs]:=byte(Offset); RawRecord.RawData[NextOfs+1]:=byte(Offset shr 8); RawRecord.RawData[NextOfs+2]:=byte(Offset shr 16); RawRecord.RawData[NextOfs+3]:=byte(Offset shr 24); Inc(NextOfs,4); end else begin if Offset>High(Word) then internalerror(2018050901); RawRecord.RawData[NextOfs]:=byte(Offset); RawRecord.RawData[NextOfs+1]:=byte(Offset shr 8); Inc(NextOfs,2); end; end; { update NextIndex } NextIndex:=LastIncludedIndex+1; end; { TOmfThread } constructor TOmfThread.Create; begin FInitialized:=False; FDatum:=-1; end; { TOmfThreads } function TOmfThreads.GetTargetThread(Index: TOmfFixupThread): TOmfTargetThread; begin Result:=FTargetThreads[Index]; end; function TOmfThreads.GetFrameThread(Index: TOmfFixupThread): TOmfFrameThread; begin Result:=FFrameThreads[Index]; end; constructor TOmfThreads.Create; var t: TOmfFixupThread; begin for t in TOmfFixupThread do begin FTargetThreads[t]:=TOmfTargetThread.Create; FFrameThreads[t]:=TOmfFrameThread.Create; end; end; destructor TOmfThreads.Destroy; var t: TOmfFixupThread; begin for t in TOmfFixupThread do begin FTargetThreads[t].Free; FFrameThreads[t].Free; end; inherited Destroy; end; { TOmfSubRecord_THREAD } function TOmfSubRecord_THREAD.ReadAt(RawRecord: TOmfRawRecord; Offset: Integer): Integer; var B, Method: Byte; begin if Offset>=RawRecord.RecordLength then internalerror(2018052901); B:=RawRecord.RawData[Offset]; Inc(Offset); if (B and $A0)<>0 then internalerror(2018052902); ThreadNumber:=TOmfFixupThread(B and 3); Method:=(B shr 2) and 7; if (B and $40)<>0 then begin ThreadType:=ttFrame; FrameMethod:=TOmfFixupFrameMethod(Method); end else begin ThreadType:=ttTarget; if Method>3 then internalerror(2018052903); TargetMethod:=TOmfFixupTargetMethod(Method); end; if Method<=3 then Offset:=RawRecord.ReadIndexedRef(Offset,FDatum) else Datum:=0; Result:=Offset; end; function TOmfSubRecord_THREAD.WriteAt(RawRecord: TOmfRawRecord; Offset: Integer): Integer; var B, Method: Byte; begin if ThreadType=ttFrame then begin B:=$40; Method:=Byte(FrameMethod) and 7; end else begin B:=0; Method:=Byte(TargetMethod) and 7; if Method>3 then internalerror(2018052904); end; Inc(B,Byte(ThreadNumber) and 3); Inc(B,Method shl 2); RawRecord.RawData[Offset]:=B; Inc(Offset); if Method<=3 then Offset:=RawRecord.WriteIndexedRef(Offset,Datum); Result:=Offset; end; procedure TOmfSubRecord_THREAD.ApplyTo(AThreads: TOmfThreads); begin case ThreadType of ttFrame: begin AThreads.FrameThread[ThreadNumber].Datum:=Datum; AThreads.FrameThread[ThreadNumber].FrameMethod:=FrameMethod; AThreads.FrameThread[ThreadNumber].Initialized:=True; end; ttTarget: begin AThreads.TargetThread[ThreadNumber].Datum:=Datum; AThreads.TargetThread[ThreadNumber].TargetMethod:=TargetMethod; AThreads.TargetThread[ThreadNumber].Initialized:=True; end; end; end; { TOmfSubRecord_FIXUP } function TOmfSubRecord_FIXUP.GetDataRecordOffset: Integer; begin Result:=FLocationOffset-FDataRecordStartOffset; end; function TOmfSubRecord_FIXUP.GetLocationSize: Integer; const OmfLocationType2Size: array [TOmfFixupLocationType] of Integer= (1, // fltLoByte 2, // fltOffset 2, // fltBase 4, // fltFarPointer 1, // fltHiByte 2, // fltLoaderResolvedOffset (PharLap: Offset32) 0, // fltUndefined6 (PharLap: Pointer48) 0, // fltUndefined7 0, // fltUndefined8 4, // fltOffset32 0, // fltUndefined10 6, // fltFarPointer48 0, // fltUndefined12 4, // fltLoaderResolvedOffset32 0, // fltUndefined14 0); // fltUndefined15 begin Result:=OmfLocationType2Size[LocationType]; end; procedure TOmfSubRecord_FIXUP.SetDataRecordOffset(AValue: Integer); begin FLocationOffset:=AValue+FDataRecordStartOffset; end; function TOmfSubRecord_FIXUP.ReadAt(RawRecord: TOmfRawRecord; Offset: Integer): Integer; var Locat: Word; FixData: Byte; begin if (Offset+2)>=RawRecord.RecordLength then internalerror(2015040509); { unlike other fields in the OMF format, this one is big endian } Locat:=(RawRecord.RawData[Offset] shl 8) or RawRecord.RawData[Offset+1]; FixData:=RawRecord.RawData[Offset+2]; Inc(Offset,3); if (Locat and $8000)=0 then internalerror(2015040503); DataRecordOffset:=Locat and $3FF; LocationType:=TOmfFixupLocationType((Locat shr 10) and 15); Mode:=TOmfFixupMode((Locat shr 14) and 1); FrameDeterminedByThread:=(FixData and $80)<>0; TargetDeterminedByThread:=(FixData and $08)<>0; if FrameDeterminedByThread then FrameThread:=TOmfFixupThread((FixData shr 4) and 3) else FrameMethod:=TOmfFixupFrameMethod((FixData shr 4) and 7); if TargetDeterminedByThread then begin TargetThread:=TOmfFixupThread(FixData and 3); TargetThreadDisplacementPresent:=(FixData and $40)=0; end else TargetMethod:=TOmfFixupTargetMethod(FixData and 7); { read Frame Datum? } if not FrameDeterminedByThread and (FrameMethod in [ffmSegmentIndex,ffmGroupIndex,ffmExternalIndex,ffmFrameNumber]) then Offset:=RawRecord.ReadIndexedRef(Offset,FFrameDatum) else FrameDatum:=0; { read Target Datum? } if not TargetDeterminedByThread then Offset:=RawRecord.ReadIndexedRef(Offset,FTargetDatum) else TargetDatum:=0; { read Target Displacement? } if (TargetDeterminedByThread and TargetThreadDisplacementPresent) or (TargetMethod in [ftmSegmentIndex,ftmGroupIndex,ftmExternalIndex,ftmFrameNumber]) then begin if Is32Bit then begin if (Offset+3)>=RawRecord.RecordLength then internalerror(2015040510); TargetDisplacement := RawRecord.RawData[Offset]+ (RawRecord.RawData[Offset+1] shl 8)+ (RawRecord.RawData[Offset+2] shl 16)+ (RawRecord.RawData[Offset+3] shl 24); Inc(Offset,4); end else begin if (Offset+1)>=RawRecord.RecordLength then internalerror(2015040511); TargetDisplacement := RawRecord.RawData[Offset]+ (RawRecord.RawData[Offset+1] shl 8); Inc(Offset,2); end; end; Result:=Offset; end; function TOmfSubRecord_FIXUP.WriteAt(RawRecord: TOmfRawRecord; Offset: Integer): Integer; var Locat: Word; FixData: Byte; begin if (DataRecordOffset<0) or (DataRecordOffset>1023) then internalerror(2015040505); Locat:=$8000+(Ord(Mode) shl 14)+(Ord(LocationType) shl 10)+DataRecordOffset; { unlike other fields in the OMF format, this one is big endian } RawRecord.RawData[Offset]:=Byte(Locat shr 8); RawRecord.RawData[Offset+1]:=Byte(Locat); Inc(Offset, 2); FixData:=(Ord(FrameDeterminedByThread) shl 7)+(Ord(TargetDeterminedByThread) shl 3); if FrameDeterminedByThread then FixData:=FixData+(Ord(FrameThread) shl 4) else FixData:=FixData+(Ord(FrameMethod) shl 4); if TargetDeterminedByThread then FixData:=FixData+Ord(TargetThread)+(Ord(not TargetThreadDisplacementPresent) shl 2) else FixData:=FixData+Ord(TargetMethod); RawRecord.RawData[Offset]:=FixData; Inc(Offset); { save Frame Datum? } if not FrameDeterminedByThread and (FrameMethod in [ffmSegmentIndex,ffmGroupIndex,ffmExternalIndex,ffmFrameNumber]) then Offset:=RawRecord.WriteIndexedRef(Offset,FrameDatum); { save Target Datum? } if not TargetDeterminedByThread then Offset:=RawRecord.WriteIndexedRef(Offset,TargetDatum); { save Target Displacement? } if (TargetDeterminedByThread and TargetThreadDisplacementPresent) or (TargetMethod in [ftmSegmentIndex,ftmGroupIndex,ftmExternalIndex,ftmFrameNumber]) then begin if Is32Bit then begin RawRecord.RawData[Offset]:=Byte(TargetDisplacement); RawRecord.RawData[Offset+1]:=Byte(TargetDisplacement shr 8); RawRecord.RawData[Offset+2]:=Byte(TargetDisplacement shr 16); RawRecord.RawData[Offset+3]:=Byte(TargetDisplacement shr 24); Inc(Offset,4); end else begin if TargetDisplacement>$ffff then internalerror(2015040507); RawRecord.RawData[Offset]:=Byte(TargetDisplacement); RawRecord.RawData[Offset+1]:=Byte(TargetDisplacement shr 8); Inc(Offset,2); end; end; Result:=Offset; end; procedure TOmfSubRecord_FIXUP.ResolveByThread(AThreads: TOmfThreads); begin if TargetDeterminedByThread then begin if not AThreads.TargetThread[TargetThread].Initialized then internalerror(2018053002); TargetDatum:=AThreads.TargetThread[TargetThread].Datum; TargetMethod:=AThreads.TargetThread[TargetThread].TargetMethod; if not TargetThreadDisplacementPresent then Inc(FTargetMethod,4); TargetThreadDisplacementPresent:=False; TargetDeterminedByThread:=False; end; if FrameDeterminedByThread then begin if not AThreads.FrameThread[FrameThread].Initialized then internalerror(2018053003); FrameDatum:=AThreads.FrameThread[FrameThread].Datum; FrameMethod:=AThreads.FrameThread[FrameThread].FrameMethod; FrameDeterminedByThread:=False; end; end; { TOmfRecord_LIBHEAD } constructor TOmfRecord_LIBHEAD.Create; begin PageSize:=512; DictionarySizeInBlocks:=2; CaseSensitive:=true; end; procedure TOmfRecord_LIBHEAD.SetPageSize(AValue: Integer); var p: longint; begin { valid library page sizes are powers of two, between 2**4 and 2**15 } if not ispowerof2(AValue,p) then internalerror(2015041802); if (p<4) or (p>15) then internalerror(2015041803); FPageSize:=AValue; end; procedure TOmfRecord_LIBHEAD.DecodeFrom(RawRecord: TOmfRawRecord); begin if RawRecord.RecordType<>RT_LIBHEAD then internalerror(2015040314); { this will also range check PageSize and will ensure that RecordLength>=13 } PageSize:=RawRecord.RecordLength+3; DictionaryOffset:=RawRecord.RawData[0]+ (RawRecord.RawData[1] shl 8)+ (RawRecord.RawData[2] shl 16)+ (RawRecord.RawData[3] shl 24); DictionarySizeInBlocks:=RawRecord.RawData[4]+ (RawRecord.RawData[5] shl 8); Flags:=RawRecord.RawData[6]; end; procedure TOmfRecord_LIBHEAD.EncodeTo(RawRecord: TOmfRawRecord); begin { make sure the LIBHEAD record is padded with zeros at the end } FillChar(RawRecord.RawData,SizeOf(RawRecord.RawData),0); RawRecord.RecordType:=RT_LIBHEAD; RawRecord.RecordLength:=PageSize-3; RawRecord.RawData[0]:=Byte(DictionaryOffset); RawRecord.RawData[1]:=Byte(DictionaryOffset shr 8); RawRecord.RawData[2]:=Byte(DictionaryOffset shr 16); RawRecord.RawData[3]:=Byte(DictionaryOffset shr 24); RawRecord.RawData[4]:=Byte(DictionarySizeInBlocks); RawRecord.RawData[5]:=Byte(DictionarySizeInBlocks shr 8); RawRecord.RawData[6]:=Flags; { the LIBHEAD record contains no checksum byte, so no need to call RawRecord.CalculateChecksumByte } end; function TOmfRecord_LIBHEAD.IsCaseSensitive: Boolean; begin Result:=(FFlags and 1)<>0; end; procedure TOmfRecord_LIBHEAD.SetCaseSensitive(AValue: Boolean); begin FFlags:=(FFlags and $FE) or Ord(AValue); end; { TOmfRecord_LIBEND } procedure TOmfRecord_LIBEND.DecodeFrom(RawRecord: TOmfRawRecord); begin if RawRecord.RecordType<>RT_LIBEND then internalerror(2015040315); FPaddingBytes:=RawRecord.RecordLength; end; procedure TOmfRecord_LIBEND.EncodeTo(RawRecord: TOmfRawRecord); begin { make sure the LIBEND record is padded with zeros at the end } FillChar(RawRecord.RawData,SizeOf(RawRecord.RawData),0); RawRecord.RecordType:=RT_LIBEND; RawRecord.RecordLength:=FPaddingBytes; { the LIBEND record contains no checksum byte, so no need to call RawRecord.CalculateChecksumByte } end; procedure TOmfRecord_LIBEND.CalculatePaddingBytes(RecordStartOffset: DWord); var DictionaryStartOffset: Integer; begin { padding must be calculated, so that the dictionary begins on a 512-byte boundary } Inc(RecordStartOffset,3); // padding begins _after_ the record header (3 bytes) DictionaryStartOffset:=(RecordStartOffset+511) and $fffffe00; PaddingBytes:=DictionaryStartOffset-RecordStartOffset; end; function compute_omf_lib_hash(const name: string; blocks: Integer): TOmfLibHash; const blank=$20; // ASCII blank nbuckets=37; var block_x: Integer; block_d: Integer; bucket_x: Integer; bucket_d: Integer; len: Integer; pbidx,peidx: Integer; cback,cfront: Byte; begin len:=Length(name); if len=0 then internalerror(2015041801); pbidx:=1; peidx:=len+1; { left to right scan } block_x:=len or blank; bucket_d:=block_x; { right to left scan } block_d:=0; bucket_x:=0; while true do begin { blank -> convert to LC } Dec(peidx); cback:=Byte(name[peidx]) or blank; bucket_x:=RorWord(bucket_x,2) xor cback; block_d:=RolWord(block_d,2) xor cback; Dec(len); if len=0 then break; cfront:=Byte(name[pbidx]) or blank; Inc(pbidx); block_x:=RolWord(block_x,2) xor cfront; bucket_d:=RorWord(bucket_d,2) xor cfront; end; Result.block_x:=block_x mod blocks; Result.block_d:=max(block_d mod blocks,1); Result.bucket_x:=bucket_x mod nbuckets; Result.bucket_d:=max(bucket_d mod nbuckets,1); end; function omf_segclass(atype: TAsmSectiontype): string; const segclass : array[TAsmSectiontype] of string[length('DWARF')] = ('', {user} 'DATA', {code} 'CODE', {data} 'DATA', {rodata} 'DATA', {rodata_norel} 'DATA', {bss} 'BSS', {threadvar} 'DATA', {pdata} 'DATA', {stub} 'CODE', {data_nonlazy} 'DATA', {data_lazy} 'DATA', {init_func} 'DATA', {term_func} 'DATA', {stab} 'DATA', {stabstr} 'DATA', {idata2} 'DATA', {idata4} 'DATA', {idata5} 'DATA', {idata6} 'DATA', {idata7} 'DATA', {edata} 'DATA', {eh_frame} 'DATA', {debug_frame} 'DWARF', {debug_info} 'DWARF', {debug_line} 'DWARF', {debug_abbrev} 'DWARF', {debug_aranges} 'DWARF', {debug_ranges} 'DWARF', {fpc} 'DATA', {toc} 'DATA', {init} 'CODE', {fini} 'CODE', {objc_class} 'DATA', {objc_meta_class} 'DATA', {objc_cat_cls_meth} 'DATA', {objc_cat_inst_meth} 'DATA', {objc_protocol} 'DATA', {objc_string_object} 'DATA', {objc_cls_meth} 'DATA', {objc_inst_meth} 'DATA', {objc_cls_refs} 'DATA', {objc_message_refs} 'DATA', {objc_symbols} 'DATA', {objc_category} 'DATA', {objc_class_vars} 'DATA', {objc_instance_vars} 'DATA', {objc_module_info} 'DATA', {objc_class_names} 'DATA', {objc_meth_var_types} 'DATA', {objc_meth_var_names} 'DATA', {objc_selector_strs} 'DATA', {objc_protocol_ext} 'DATA', {objc_class_ext} 'DATA', {objc_property} 'DATA', {objc_image_info} 'DATA', {objc_cstring_object} 'DATA', {objc_sel_fixup} 'DATA', {objc_data} 'DATA', {objc_const} 'DATA', {objc_sup_refs} 'DATA', {data_coalesced} 'DATA', {objc_classlist} 'DATA', {objc_nlclasslist} 'DATA', {objc_catlist} 'DATA', {objc_nlcatlist} 'DATA', {objc_protolist} 'DATA', {stack} 'STACK', {heap} 'HEAP', {gcc_except_table} 'DATA', {ARM_attributes} 'DATA' ); begin result:=segclass[atype]; {$ifdef i8086} if (current_settings.x86memorymodel=mm_huge) and ((result='DATA') or (result='BSS')) then result:='FAR_DATA'; {$endif i8086} end; function omf_sectiontype2align(atype: TAsmSectiontype): longint; begin case atype of sec_stabstr: result:=1; sec_code: result:=1; sec_data, sec_rodata, sec_rodata_norel, sec_bss: result:=2; { For idata (at least idata2) it must be 4 bytes, because an entry is always (also in win64) 20 bytes and aligning on 8 bytes will insert 4 bytes between the entries resulting in a corrupt idata section. Same story with .pdata, it has 4-byte elements which should be packed without gaps. } sec_idata2,sec_idata4,sec_idata5,sec_idata6,sec_idata7,sec_pdata: result:=4; sec_debug_frame,sec_debug_info,sec_debug_line,sec_debug_abbrev,sec_debug_aranges,sec_debug_ranges: result:=1; sec_stack, sec_heap: result:=16; else result:=1; end; end; function section_belongs_to_dgroup(atype: TAsmSectiontype): Boolean; begin {$ifdef i8086} case omf_segclass(atype) of 'CODE': result:=current_settings.x86memorymodel=mm_tiny; 'FAR_DATA': result:=false; 'DATA', 'BSS': result:=true; 'STACK': result:=current_settings.x86memorymodel in (x86_near_data_models-[mm_tiny]); 'HEAP': result:=current_settings.x86memorymodel in x86_near_data_models; else result:=false; end; {$else i8086} result:=false; {$endif i8086} end; function omf_section_primary_group(atype: TAsmSectiontype;const aname:string): string; begin {$ifdef i8086} if section_belongs_to_dgroup(atype) then result:='DGROUP' else if create_smartlink_sections and (aname<>'') then begin case omf_segclass(atype) of 'CODE': if current_settings.x86memorymodel in x86_far_code_models then begin if cs_huge_code in current_settings.moduleswitches then result:='' else result:='CGROUP_'+current_module.modulename^; end else result:='CGROUP'; else result:=''; end; end else result:=''; {$else i8086} result:=''; {$endif i8086} end; end.