[PATCH v8 3/6] elf: Introduce _dl_map_segment_align hook for segment alignment tuning

Wilco Dijkstra Wilco.Dijkstra@arm.com
Thu Apr 9 13:17:14 GMT 2026


Hi HJ,

> I was told that THP needed to start from the file offset 0.  So
>
>  LOAD           0x16e000 0x0056e000 0x0056e000 0x1055d9 0x1055d9 R E 0x1000
>
> doesn't work for THP.

For it to work you'd need to align the file start. Rui's current patch doesn't
do the alignment for this case, but we could generalize it and do it if either
R or R+W load segments are large enough.

But that is different from changing the segments in the loader.

Cheers,
Wilco


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