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+ calculate and fill "min extra paragraphs" in the MZ header

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git-svn-id: trunk@31403 -
This commit is contained in:
nickysn 2015-08-24 21:33:26 +00:00
parent 6665cec157
commit faa9362b44
1 changed files with 12 additions and 0 deletions
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12
compiler/ogomf.pas
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@ -277,6 +277,7 @@ interface
procedure WriteMap_HeaderData; procedure WriteMap_HeaderData;
function FindStackSegment: TMZExeUnifiedLogicalSegment; function FindStackSegment: TMZExeUnifiedLogicalSegment;
procedure FillLoadableImageSize; procedure FillLoadableImageSize;
procedure FillMinExtraParagraphs;
procedure FillStartAddress; procedure FillStartAddress;
procedure FillStackAddress; procedure FillStackAddress;
procedure FillHeaderData; procedure FillHeaderData;
@ -2163,6 +2164,8 @@ implementation
begin begin
exemap.AddHeader('Header data'); exemap.AddHeader('Header data');
exemap.Add('Loadable image size: '+HexStr(Header.LoadableImageSize,8)); exemap.Add('Loadable image size: '+HexStr(Header.LoadableImageSize,8));
exemap.Add('Min extra paragraphs: '+HexStr(Header.MinExtraParagraphs,4));
exemap.Add('Max extra paragraphs: '+HexStr(Header.MaxExtraParagraphs,4));
exemap.Add('Initial stack pointer: '+HexStr(Header.InitialSS,4)+':'+HexStr(Header.InitialSP,4)); exemap.Add('Initial stack pointer: '+HexStr(Header.InitialSS,4)+':'+HexStr(Header.InitialSP,4));
exemap.Add('Entry point address: '+HexStr(Header.InitialCS,4)+':'+HexStr(Header.InitialIP,4)); exemap.Add('Entry point address: '+HexStr(Header.InitialCS,4)+':'+HexStr(Header.InitialIP,4));
end; end;
@ -2205,6 +2208,14 @@ implementation
end; end;
end; end;
procedure TMZExeOutput.FillMinExtraParagraphs;
var
ExeSec: TMZExeSection;
begin
ExeSec:=MZFlatContentSection;
Header.MinExtraParagraphs:=(align(ExeSec.Size,16)-align(Header.LoadableImageSize,16)) div 16;
end;
procedure TMZExeOutput.FillStartAddress; procedure TMZExeOutput.FillStartAddress;
var var
EntryMemPos: qword; EntryMemPos: qword;
@ -2240,6 +2251,7 @@ implementation
begin begin
Header.MaxExtraParagraphs:=$FFFF; Header.MaxExtraParagraphs:=$FFFF;
FillLoadableImageSize; FillLoadableImageSize;
FillMinExtraParagraphs;
FillStartAddress; FillStartAddress;
FillStackAddress; FillStackAddress;
if assigned(exemap) then if assigned(exemap) then