[fpc-devel] Revisiting MacOS for PPC (and possibly 68K)

Mark Morgan Lloyd markMLl.fpc-devel at telemetry.co.uk
Tue Dec 11 10:12:04 CET 2012

Sergei Gorelkin wrote:
> 11.12.2012 1:27, Sven Barth пишет:
>>> It's putting a significant number of AT_NONE entries into the table, and
>>> the first one it tries to take out (which obviously isn't the first
>>> entry in the list) causes the internal error. When being put in, this
>>> entry had a call stack like
>>> #0 TASMDATA__REFASMSYMBOL('PBGetCatInfoSync', <error reading variable>)
>>> at aasmdata.pas:443
>> I had also made out this location as the only plausible one for these 
>> AT_NONE entries. Maybe the
>> external handling was changed since Mac OS last worked and the MPW 
>> writer wasn't adjusted then...
> Well, all ELF targets emit external symbols in object files with 
> STT_NOTYPE type field, which corresponds to AT_NONE internal 
> representation. COFF targets also accept this, although recent GCC/MinGW 
> versions are marking external functions with proper type.

I tried working through different backends to see if there was handling 
for AT_NONE in the ones that were working, but couldn't see anything 

Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

[Opinions above are the author's, not those of his employers or colleagues]

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