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Re: [PATCH 2/2] libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
* Maciej W. Rozycki:
> Define a new ABSOLUTE ABI for static linker's use with EI_ABIVERSION
> where correct absolute (SHN_ABS) symbol run-time load semantics is
> required. This way it can be ensured at static link time that a program
> or DSO will not suffer from previous semantics where absolute symbols
> were relocated by the base address, or symbols whose `st_value' is zero
> silently ignored leading to a confusing "undefined symbol" error message
> at load time, and instead "ELF file ABI version invalid" is printed with
> old dynamic loaders, making it clear that there is an ABI version
> incompatibility.
Is this really necessary? It essentially precludes backporting the
fixes.