[fpc-pascal] System call ABI problem on ppc Linux

Marco van de Voort marcov at stack.nl
Tue Dec 5 14:55:41 CET 2017

In our previous episode, Tobias Giesen said:
> I just filed a bug report about FpFtruncate passing the parameters incorrectly to the
> system. For example, setting a file size to $D would cause the file to have the size
> $D 0000 000D. Apparently the conditional define FPC_ABI_EABI would fix it, but what
> other impact does it have?
> I wonder which other system calls might be affected? My application seems to work
> fine except for this function.
> https://bugs.freepascal.org/view.php?id=32772

I replied. Roughly anything with an 64-bit argument, (typically off_t) most
notably mmap.

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