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From: Alan Modra <amodra@bigpond•net.au>
To: Paul Mackerras <paulus@samba•org>
Cc: Stephen Rothwell <sfr@canb•auug.org.au>,
	linuxppc-dev@ozlabs•org, linux-next@vger•kernel.org,
	"H. Peter Anvin" <hpa@zytor•com>, Ingo Molnar <mingo@elte•hu>,
	Thomas Gleixner <tglx@linutronix•de>
Subject: Re: linux-next: powerpc build failure
Date: Thu, 12 Jun 2008 15:03:35 +0930	[thread overview]
Message-ID: <20080612053335.GA22035@bubble.grove.modra.org> (raw)
In-Reply-To: <18512.32267.636550.47385@cargo.ozlabs.ibm.com>

On Thu, Jun 12, 2008 at 11:38:19AM +1000, Paul Mackerras wrote:
> Direct unconditional branches, including procedure calls, can only
> reach +/- 32MB from the address of the branch on powerpc.  So if the
> image grows to more than 32MB of text there is a problem unless the
> linker is smart enough to insert trampolines.  I don't know whether
> GNU ld is that smart.

It is, but you need to pass --relax to enable generation of the
trampolines.

-- 
Alan Modra
Australia Development Lab, IBM

  reply	other threads:[~2008-06-12  5:33 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-11  9:27 linux-next: powerpc build failure Stephen Rothwell
2008-06-11  9:59 ` Ingo Molnar
2008-06-12  1:38   ` Paul Mackerras
2008-06-12  5:33     ` Alan Modra [this message]
2008-06-12  7:05       ` Stephen Rothwell
2008-06-12  7:16         ` Ingo Molnar
2008-06-12  7:27           ` Stephen Rothwell
2008-06-12  7:47             ` Ingo Molnar
2008-06-12  7:23         ` Benjamin Herrenschmidt
2008-06-12  7:24         ` Stephen Rothwell
2008-06-12 18:12           ` Sam Ravnborg
2008-06-12  8:15         ` Alan Modra
  -- strict thread matches above, loose matches on Subject: below --
2008-11-26 14:34 Stephen Rothwell
2008-11-26 23:16 ` Paul Mackerras
2008-11-27  0:26 ` Peter Teoh
2008-06-10  6:54 Stephen Rothwell
2008-06-10  7:20 ` Benjamin Herrenschmidt

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