[fpc-pascal] Inline assembly using absolute dword ptr

OBones obones at free.fr
Fri Apr 20 17:50:45 CEST 2012

OBones wrote:
> Jonas Maebe wrote:
>>   {$IFDEF WIN64}
>>   push    rcx
>>   mov     rcx,gs:[abs qword ptr $30]
>> And this:
>>   mov     rcx,qword ptr gs:[$30]
> Thanks, but does this guarantee absolute indexing?
> I'm asking because the abs keyword is required when using the same 
> code under Delphi XE2. If I don't use it, that instruction triggers an 
> access violation.
Well, I managed to get my hands on my test project here, and it does work.
So there is a difference with Delphi's assembler where it defaults to 
relative indexing while FPC defaults to absolute in that context.

Thanks for the help

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