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This tool can be used to generate the dwarf setup data for the testcase.
Warning: Very slow
The output can be processed in the IDE with the below pas script macro.
NOTE: avoid variables of the same name in different scopes.
const
AddressLen = 8; // chars in hex = 4 bytes
VarNamePrefix = 'GLOBTESTSETUP1';
VarNamePrefixRepl = 'GlobTestSetup1.Var';
VarParamPrefix = '';
VarParamPrefixRepl = 'TestStackFrame.';
VarParamOffset = 'TestStackFrame.EndPoint';
const HexDigits= '0123456789ABCDEF';
function IntToHex(Value: int64; Digits: integer): string;
var i: integer;
begin
If Digits=0 then
Digits:=1;
SetLength(result, digits);
for i := 0 to digits - 1 do
begin
result[digits - i] := HexDigits[(value and 15+1)];
value := value shr 4;
end ;
while value <> 0 do begin
result := HexDigits[(value and 15+1)] + result;
value := value shr 4;
end;
end ;
function GetCurrentLineId: String;
var p : TPoint;
begin
p := Caller.CaretXY;
ecLineStart;
caller.SelectWord;
Result := caller.SelText;
Caller.CaretXY := p;
end;
function GetCurrentLineIndent: String;
var p : TPoint;
begin
Result := '';
if copy(caller.LineAtCaret, 1,1) <> ' ' then exit;
p := Caller.CaretXY;
Caller.CaretX := 1;
ecSelWordRight;
Result := caller.SelText;
Caller.CaretXY := p;
end;
function FindTAG(ATag: String; var StartPoint: TPoint; out ID: String): Boolean;
begin
Result := Caller.SearchReplaceEx('.Tag := '+ATag+';', '', [], StartPoint) > 0;
if not Result Then exit;
StartPoint := Caller.CaretXY;
StartPoint.y := StartPoint.y + 1;
ID := GetCurrentLineId;
end;
function FindTAGEx(ATag, AnIndent: String; var StartPoint: TPoint; out ID: String): Boolean;
begin
repeat
Result := Caller.SearchReplaceEx('.Tag := '+ATag+';', '', [], StartPoint) > 0;
if not Result Then exit;
if (Copy(caller.LineAtCaret, 1, length(AnIndent)) = AnIndent) and
(Copy(caller.LineAtCaret, length(AnIndent),1) <> ' ')
then exit;
until not result;
end;
function FindAttr(AnAttr, AnID: String; FindInLine: String): Boolean;
var i: Integer;
begin
Result := Caller.SearchReplaceEx('^ *'+AnId+'\..*\('+AnAttr+' *,', '', [ssoRegExpr], Point(1,1)) > 0;
if (not Result) or (FindInLine='') then exit;
i := pos(FindInLine, caller.LineAtCaret);
Result := i > 0;
if not result then exit;
Caller.LogicalCaretXY := Point(i, Caller.CaretY);
end;
function FindName(AnID: String): String;
begin
Result := AnId;
if not FindAttr('DW_AT_name', ANId, '+#0') then exit;
while (Caller.LogicalCaretX > 1) and (caller.LineAtCaret[caller.LogicalCaretX] <> '''') do ecLeft;
while (Caller.LogicalCaretX > 1) and (caller.LineAtCaret[caller.LogicalCaretX-1] <> '''') do ecSelLeft;
Result := caller.SelText;
end;
function PrefIxIdParagraph(AnId, ANewLine: String): Boolean;
begin
Result := Caller.SearchReplaceEx(AnId+' :=', '', [ssoWholeWord], Point(1,1)) > 0;
if not Result Then exit;
Caller.CaretX := 1; ecSelWordRight;
if copy(caller.LineAtCaret, 1,1) = ' ' then
ANewLine := caller.SelText+ ANewLine;
Caller.CaretX := 1;
caller.SelText := ANewLine + #13+#10;
end;
function ReplaceHexAddrInLine(NewText: String): Boolean;
var p,p2: TPoint;
begin
p := Caller.CaretXY;
p2 := p; p2.x := 1;
Result := Caller.SearchReplaceEx('\$[0-9a-f]+', '', [ssoRegExpr], p2) > 0;
Result := Result and (Caller.CaretY = p.y);
if Result then
caller.SelText := NewText;
Caller.CaretXY := p;
end;
function ReplaceSLEBInLine(NewText: String): Boolean;
var p,p2: TPoint;
begin
p := Caller.CaretXY;
p2 := p; p2.x := 1;
Result := Caller.SearchReplaceEx('SLEB\(-?[0-9]+\)', '', [ssoRegExpr], p2) > 0;
Result := Result and (Caller.CaretY = p.y);
if Result then
caller.SelText := 'SLEB('+NewText+')';
Caller.CaretXY := p;
end;
function ReplacePreFix(AText, APrefix, ANew: String): String;
begin
Result := AText;
if copy(Result,1,length(APrefix))=APrefix
then Result := ANew+copy(Result,1+length(APrefix),length(Result));
end;
var
MainComment: String;
UnitAddr, UnitIncr: Int64;
UnitFoundPos : TPoint;
UnitId, UnitName: string;
ProcAddr, ProcIncr: Int64;
ProcFoundPos : TPoint;
ProcEndLine: Integer;
ProcId, ProcName: string;
VarFoundPos : TPoint;
VarId, VarName, VarNewName: string;
p : TPoint;
s:String;
begin
UnitAddr := $400000;
UnitIncr := $100000;
ProcAddr := $400000;
ProcIncr := $001000;
UnitFoundPos:=Point(1,1);
if FindTag('DW_TAG_compile_unit', UnitFoundPos, UnitId) then begin
UnitName:=FindName(UnitId);
if FindAttr('DW_AT_low_pc', UnitId, '') then begin
if ReplaceHexAddrInLine('$'+inttohex(UnitAddr, AddressLen))
then MainComment := MainComment + '// '+UnitName+' DW_AT_low_pc at $'+ inttohex(UnitAddr, AddressLen)+ #13+#10
else MainComment := MainComment + '// '+UnitName+' DW_AT_low_pc at Addr NOT found'+ #13+#10;
UnitAddr := UnitAddr + UnitIncr;
end;
if FindAttr('DW_AT_high_pc', UnitId, '') then begin
ReplaceHexAddrInLine('$'+inttohex(UnitAddr-1, AddressLen));
end;
ProcFoundPos:=Point(1,1);
while FindTag('DW_TAG_subprogram', ProcFoundPos, ProcId) do begin
ProcName := FindName(ProcID);
if FindAttr('DW_AT_low_pc', ProcId, '') then begin
if ReplaceHexAddrInLine('$'+inttohex(ProcAddr, AddressLen))
then MainComment := MainComment + '// '+ProcName+' DW_AT_low_pc at $'+ inttohex(ProcAddr, AddressLen)+ #13+#10
else MainComment := MainComment + '// '+ProcName+' DW_AT_low_pc at Addr NOT found'+ #13+#10;
ProcAddr := ProcAddr + ProcIncr;
end;
if FindAttr('DW_AT_high_pc', ProcId, '') then begin
ReplaceHexAddrInLine('$'+inttohex(ProcAddr-1, AddressLen));
end;
end;
VarFoundPos:=Point(1,1);
while FindTag('DW_TAG_variable', VarFoundPos, VarId) do begin
VarName := FindName(VarID);
if not( (VarName='this') or (VarName='result') or (VarName='self') or (VarName='vmt') ) then begin
if FindAttr('DW_AT_location', VarId, 'SLEB') then begin
// local var
VarNewName := ReplacePreFix(VarName, VarParamPrefix, VarParamPrefixRepl);
s := 'StackOffs := @'+VarNewName+' - @'+VarParamOffset+';'
if ReplaceSLEBInLine('StackOffs')
then MainComment := MainComment + '// param '+UnitName+'.'+VarName+' = ' + VarNewName+ #13+#10
else MainComment := MainComment + '// param '+UnitName+'.'+VarName+' Addr NOT FOUND'+ #13+#10;
PrefIxIdParagraph(VarID, s);
end
else
if FindAttr('DW_AT_location', VarId, '$') then begin
// Global var
VarNewName := ReplacePreFix(VarName, VarNamePrefix, VarNamePrefixRepl);
if ReplaceHexAddrInLine('@'+VarNewName)
then MainComment := MainComment + '// var '+UnitName+'.'+VarName+' = ' + VarNewName+ #13+#10
else MainComment := MainComment + '// var '+UnitName+'.'+VarName+' Addr NOT FOUND'+ #13+#10;
end
else
MainComment := MainComment + '// var '+UnitName+'.'+VarName+' DW_AT_location NOT FOUND'+ #13+#10;
end;
end;
VarFoundPos:=Point(1,1);
while FindTag('DW_TAG_formal_parameter', VarFoundPos, VarId) do begin
VarName := FindName(VarID);
if not( (VarName='this') or (VarName='result') or (VarName='self') or (VarName='vmt') ) then begin
if FindAttr('DW_AT_location', VarId, '') then begin
VarNewName := ReplacePreFix(VarName, VarParamPrefix, VarParamPrefixRepl);
s := 'StackOffs := @'+VarNewName+' - @'+VarParamOffset+';'
if ReplaceSLEBInLine('StackOffs')
then MainComment := MainComment + '// param '+UnitName+'.'+VarName+' = ' + VarNewName+ #13+#10
else MainComment := MainComment + '// param '+UnitName+'.'+VarName+' Addr NOT FOUND'+ #13+#10;
PrefIxIdParagraph(VarID, s);
end
else
MainComment := MainComment + '// param '+UnitName+'.'+VarName+' DW_AT_location NOT FOUND'+ #13+#10;
end;
end;
end;
Caller.LogicalCaretXY := Point(1,1);
caller.SelText:=MainComment;
end.
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