From: Ian Lance Taylor <ian@airs.com>
To: Paul Brook <paul@codesourcery.com>
Cc: binutils@sources.redhat.com, Julian Brown <julian@codesourcery.com>
Subject: Re: [PATCH] Indicate dependency on personality routines for ARM EHABI
Date: Wed, 09 Feb 2005 17:32:00 -0000 [thread overview]
Message-ID: <m3acqdllhg.fsf@gossamer.airs.com> (raw)
In-Reply-To: <200502091646.42378.paul@codesourcery.com>
Paul Brook <paul@codesourcery.com> writes:
> On Wednesday 09 February 2005 16:32, Ian Lance Taylor wrote:
> > More generally, I think it's kind of dubious to use a zero reloc to
> > mean anything at all. And why do you need a relocation entry? Why is
> > it not sufficient to enter the symbol in the symbol table as an
> > undefined symbol?
>
> Isn't a linker allowed to discard symbols if nothing uses them?
An undefined symbol in the symbol table will normally be enough to
bring in an object from a static library.
> > Is the use of a zero reloc mandated by the ARM ABI?
>
> Yes. The ABI defines and requires the use of a zero reloc (R_ARM_NONE).
Then, this approach is fine in any case. But it should still use
BFD_RELOC_NONE, I think.
Ian
next prev parent reply other threads:[~2005-02-09 16:57 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-09 17:06 Julian Brown
2005-02-09 17:09 ` Ian Lance Taylor
2005-02-09 17:24 ` Paul Brook
2005-02-09 17:32 ` Ian Lance Taylor [this message]
2005-02-09 19:43 ` Andreas Schwab
2005-02-09 17:28 ` Richard Earnshaw
2005-02-09 17:42 ` Ian Lance Taylor
2005-02-09 18:26 ` Richard Earnshaw
2005-02-09 19:02 ` Julian Brown
2005-02-09 20:27 ` Ian Lance Taylor
2005-02-09 20:35 ` Richard Earnshaw
2005-02-09 21:48 ` Julian Brown
2005-02-09 22:21 ` Julian Brown
2005-02-10 14:07 ` Richard Earnshaw
2005-02-09 17:12 ` Richard Earnshaw
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