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Re: [RFC PATCH] bfd/elf32-arm.c: Set st_value to zero for undefined symbols.
- From: Will Newton <will dot newton at linaro dot org>
- To: Will Newton <will dot newton at linaro dot org>, "binutils at sourceware dot org" <binutils at sourceware dot org>
- Date: Fri, 24 Jan 2014 10:11:36 +0000
- Subject: Re: [RFC PATCH] bfd/elf32-arm.c: Set st_value to zero for undefined symbols.
- Authentication-results: sourceware.org; auth=none
- References: <1389868125-7349-1-git-send-email-will dot newton at linaro dot org> <CANu=DmhOVH1FEMwsNa8qKrSMet2z+7CTpwzLHHnasYR6jtHy+w at mail dot gmail dot com> <20140124041743 dot GE5390 at bubble dot grove dot modra dot org>
On 24 January 2014 04:17, Alan Modra <amodra@gmail.com> wrote:
> On Thu, Jan 23, 2014 at 03:22:21PM +0000, Will Newton wrote:
>> On 16 January 2014 10:28, Will Newton <will.newton@linaro.org> wrote:
>> > I'm not sure what the implications of this patch are, so I thought I would
>> > post it here in the hope that someone can explain what might break.
>
> You're probably being a bit too honest here. :)
>
> The patch looks OK to me as far as it goes, but I count myself
> unqualified to ack it. I don't know enough about ARM to say whether
> you've set pointer_equality_needed for all the relocs types you
> should. It needs to be set whenever you might be taking the address
> of a function in non-PIC code or data.
Thanks, I wasn't sure of the semantics of pointer_equality_needed.
I'll investigate and post an updated patch.
--
Will Newton
Toolchain Working Group, Linaro