yaml2obj should determine the program header offset (and other
properties) based on the intended values rather than the final
`sh_offset` of the section header.
`setProgramHeaderLayout` uses section offsets for determining
`p_offset`. Move section header overriding after
`setProgramHeaderLayout` to prevent `ShOffset` from affecting program
header `p_offset`.
This change adjusts the timing of when the section header is overridden
to ensure that the program headers are set correctly.
More details
[here](https://github.com/llvm/llvm-project/pull/126537#issuecomment-2700421989).
---------
Signed-off-by: Ruoyu Qiu <cabbaken@outlook.com>
Signed-off-by: Ruoyu Qiu <qiuruoyu@xiaomi.com>
Co-authored-by: Ruoyu Qiu <qiuruoyu@xiaomi.com>
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