A symbol version patch for glibc 2.x compatibility

[Alan Modra]

On Sat, 25 Nov 2000, David O'Brien wrote:

> In farther thinking about this, I'm wondering why an EI_OSABI value for
> Linux(3) was registered and why SCO handed out all the values they did,
> if just about everybody shouldn't be setting EI_OSABI.  Is ELFOSABI_LINUX
> or ELFOSABI_HURD used by anyone?

sourceware i370 binutils use ELFOSABI_LINUX, and puffin.external.hp.com
hppa-linux binutils currently use it too.  We wanted to use ELFOSABI_LINUX
on hppa-linux to differentiate targets.  ;-)  There seems to be some
justification since hppa-linux does differ from the published processor
specific ABI in a few points.  eg. Some extra reloc types, dynamic relocs
are rela rather than rel, we use DT_INIT when the psABI says DT_INITARRAY.

Alan Modra
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