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RE: [PATCH] MIPS support for --hash-style=gnu
- From: "Neil Schellenberger (neschell)" <neschell at cisco dot com>
- To: Rafael EspÃndola <rafael dot espindola at gmail dot com>
- Cc: "binutils at sourceware dot org" <binutils at sourceware dot org>
- Date: Thu, 5 Nov 2015 18:27:03 +0000
- Subject: RE: [PATCH] MIPS support for --hash-style=gnu
- Authentication-results: sourceware.org; auth=none
- References: <b49cd7d6b04d41749d56d557879ad4a6 at XCH-RCD-006 dot cisco dot com> <CAG3jRe+Bifxd2YJCHRgKr5OR=Ryb05hHrRVrJneAzCwZ2ePLww at mail dot gmail dot com>
I did make a couple of abortive attempts to think of ways to do that,
but in the end I failed. The chief difficulty seems to me (perhaps
entirely incorrectly) that any change in the order of the GOT entries
would require a related change to all references to them from the
.text and/or relocations. (I was really trying to avoid fiddling with
that since I was already in over my head trying to grok BFD,
multi-got, mxgot, etc.... ) Is there some provably correct way to go
about back-patching the new GOT entry numbers into the .text?
(For obvious reasons, I /really/ want to avoid also needing any
changes in all possible upstream code generators e.g. gcc, gas,
clang etc.)
I would be more than happy to hear that I am completely mistaken,
though! I knew next to nothing about any of this before I started
and wouldn't pretend to claim to know much more about it now....
Regards,
Neil
> -----Original Message-----
> From: Rafael EspÃndola [mailto:rafael.espindola@gmail.com]
> Sent: Thursday, November 05, 2015 12:14 PM
> To: Neil Schellenberger (neschell) <neschell@cisco.com>
> Cc: binutils@sourceware.org
> Subject: Re: [PATCH] MIPS support for --hash-style=gnu
>
> Wouldn't it be possible to sort the got entries so that the symbols
> end up in the same order as the gnu hash table?
>
> Cheers,
> Rafael
>