static binary, dlopen, and ifunc

[Andreas Schwab]

On Nov 13 2020, Samuel Thibault via Libc-alpha wrote:

> I realize something: libc.so "NEED"s libmachuser.so for the RPC stubs.

Does that mean you have a dependency cycle?

> So I guess the linker is here relocating libmachuser.so first, and here
> trying to select for __stpncpy before libc.so is relocated. I guess I
> need a way to make libmachuser.so only use non-ifunc functions so its
> relocation can proceed before that of libc.so.

Like rtld-foo sources for ld.so, you need libmachuser-foo sources that
explicitly do not use ifunc.

Andreas.

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Andreas Schwab, schwab@linux-m68k.org
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