[PATCH] bfd/elf: Don't read non-existing secondary relocs

[Michael Matz]

Hello,

On Mon, 7 Jun 2021, Michael Matz wrote:

> Without this we unconditionally try to slurp in secondary
> relocs for each input section, leading to quadratic behaviour
> even for strip(1).  On write-out we already used a flag to avoid
> this.
> 
> So track existence of secondary relocs on read-in as well and
> only slurp in when needed.  This still doesn't implement a proper
> list of secondary reloc sections, and still would exhibit quadratic
> behaviour if most input sections have a secondary reloc section.
> But at least on normal input this avoid

Hmm, consider this text to be amended thus: "[avoid]s any slowdown from 
trying to handle secondary relocation sections."


Ciao,
Michael.