[fpc-devel]PowerPC, TypInfo

Mattias Gaertner nc-gaertnma at netcologne.de
Sat Aug 14 21:07:48 CEST 2004

On Sat, 14 Aug 2004 20:46:30 +0200  Mattias Gaertner
<nc-gaertnma at netcologne.de> wrote:

> I found a bug in the RTTI under powerpc.
> Boolean properties stored in fields 
> (e.g. properrty MyBoolean: boolean read FMyBoolean)
> always returns false. 
> The GetOrdProp is used to read boolean values. It reads a longint and
> applies "and $ff" to get only the lowest byte. Under PowerPC the boolean
> value is stored just like under i386 in the first byte. Reading the
> longint under i386 works, but of course it does not under powerpc.
> So, either the compiler is wrong or the GetOrdValue function is wrong.
> Which one should I report?

I just found out, that this is also the case for ShortInt, SmallInt, Word
and Byte, but not for enums.

> It's one of the last show stoppers for Lazarus under Mac OS X.


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