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+ added class for reading/writing LINNUM (line number debug info) records in the

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OMF object format

git-svn-id: trunk@38953 -
This commit is contained in:
nickysn 2018-05-08 16:00:51 +00:00
parent 02fb59d3e5
commit ba2c06a239
1 changed files with 50 additions and 0 deletions
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50
compiler/omfbase.pas
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@ -481,6 +481,22 @@ interface
property PhysOffset: DWord read FPhysOffset write FPhysOffset; property PhysOffset: DWord read FPhysOffset write FPhysOffset;
end; end;
{ TOmfRecord_LINNUM }
TOmfRecord_LINNUM = class(TOmfParsedRecord)
private
FIs32Bit: Boolean;
FBaseGroup: Integer;
FBaseSegment: Integer;
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;
end;
{ TOmfSubRecord_FIXUP } { TOmfSubRecord_FIXUP }
TOmfSubRecord_FIXUP = class TOmfSubRecord_FIXUP = class
@ -1929,6 +1945,40 @@ implementation
RawRecord.CalculateChecksumByte; RawRecord.CalculateChecksumByte;
end; 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);
{ todo: read debugger style-specific info here }
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);
{ todo: write debugger style-specific info here }
RawRecord.RecordLength:=NextOfs+1;
RawRecord.CalculateChecksumByte;
end;
{ TOmfSubRecord_FIXUP } { TOmfSubRecord_FIXUP }
function TOmfSubRecord_FIXUP.GetDataRecordOffset: Integer; function TOmfSubRecord_FIXUP.GetDataRecordOffset: Integer;