Il 18/07/2018 17:19, Dennis ha scritto:
The following delphi code when compiled by FPC, raised these errors:
Compile Project, Target: lib\x86_64-win64\Project1.exe: Exit code 1,
Errors: 10, Warnings: 2
StrBuffer.pas(100,19) Error: Unknown identifier "EAX"
StrBuffer.pas(100,23) Error: Assembler syntax error in operand
StrBuffer.pas(100,24) Error: Unknown identifier "EBP"
StrBuffer.pas(100,29) Error: Invalid constant expression
StrBuffer.pas(100,29) Error: Invalid reference syntax
StrBuffer.pas(100,29) Warning: No size specified and unable to
determine the size of the operands, using DWORD as default
StrBuffer.pas(207,19) Error: Unknown identifier "EAX"
StrBuffer.pas(207,23) Error: Assembler syntax error in operand
StrBuffer.pas(207,24) Error: Unknown identifier "EBP"
StrBuffer.pas(207,29) Error: Invalid constant expression
StrBuffer.pas(207,29) Error: Invalid reference syntax
StrBuffer.pas(207,29) Warning: No size specified and unable to
determine the size of the operands, using DWORD as default
Can anyone help me?
class procedure TStrBuffer.Error(const Msg: string; Data: Integer);
function ReturnAddr: Pointer;
asm
MOV EAX,[EBP+4]
end;
begin
raise EListError.CreateFmt(Msg, [Data])at ReturnAddr;
end;
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It looks like Intel asm syntax, while fpc defaults to AT&T assembler.
According the docs you should prepend a switch
{$ASMMODE intel)
to your asm section, or at the top of the unit.
Hope that it helps,
Giuliano
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