From: James Bottomley <James.Bottomley@SteelEye.com>
To: John David Anglin <dave@hiauly1.hia.nrc.ca>
Cc: PARISC list <parisc-linux@lists.parisc-linux.org>
Subject: Re: [parisc-linux] kernel module relocation bug
Date: 29 Nov 2004 18:11:44 -0600 [thread overview]
Message-ID: <1101773511.1714.98.camel@mulgrave> (raw)
In-Reply-To: <200411300008.iAU08WAe010494@hiauly1.hia.nrc.ca>
On Mon, 2004-11-29 at 18:08, John David Anglin wrote:
> With -ffunction-sections, gcc guarantees that calls can reach the
> beginning of a function plus some margin for the stub table. The linker
> inserts stubs on a per function basis. This should work better with
> relinking as the functions remain in their own sections.
So what we really need is the equivalent of -ffunction-sections for the
linker where, when we combine a bunch of .o's it sees if the branches
are getting too far a way and drops a stub in between the function
sections (so that the in-kernel linker doesn't have to bother about
doing this).
James
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next prev parent reply other threads:[~2004-11-30 0:11 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-27 6:47 [parisc-linux] kernel module relocation bug Randolph Chung
2004-11-29 15:32 ` James Bottomley
2004-11-29 15:33 ` James Bottomley
2004-11-29 19:27 ` Ulrich Teichert
2004-11-29 19:46 ` Randolph Chung
2004-11-29 22:51 ` Ulrich Teichert
2004-11-29 23:46 ` John David Anglin
2004-12-02 21:54 ` [parisc-linux] Userland relocation problems resolved (was: kernel module relocation bug) Ulrich Teichert
2004-12-02 22:51 ` [parisc-linux] Re: Userland relocation problems resolved (was: kernel module relocat John David Anglin
2004-11-29 23:53 ` [parisc-linux] kernel module relocation bug John David Anglin
2004-11-29 23:54 ` Randolph Chung
2004-11-29 23:57 ` Randolph Chung
2004-11-30 0:08 ` John David Anglin
2004-11-30 0:11 ` James Bottomley [this message]
2004-11-30 0:23 ` John David Anglin
2004-11-30 1:18 ` James Bottomley
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