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From: "Rolf Eike Beer" <eike-kernel@sf-tec.de>
To: linux-parisc@vger.kernel.org
Subject: Re: Link error in CMake for HPPA1.1, wrong result for HPPA 2.0
Date: Mon, 29 Aug 2011 10:12:18 +0200	[thread overview]
Message-ID: <da1221fe3aa512ba4b0a139a89dd2e69.squirrel@webmail.sf-mail.de> (raw)
In-Reply-To: <4E566E6D.8060100@bell.net>

> On 8/25/2011 10:06 AM, Carlos O'Donell wrote:
>> On 8/25/2011 6:37 AM, Rolf Eike Beer wrote:
>>> const&)]+0xbc): cannot reach
>>> 00004abb__ZNSt8_Rb_treeIN5cmsys6StringESt4pairIKS1_iESt10_Select1stIS4_ESt4lessIS1_ESaIS4_EE8_S_rightEPSt18_Rb_tree_node_base+0,
>>> recompile with -ffunction-sections
>> So did you recompile with -ffunction-sections?
>>
>> The basic problem is that the linker was unable to insert a jump
>> to the requested function because it was too far away. Some targets
>> like hppa have short branch distances and we use intermediate stub
>> tables to get around that. However, we can't insert stub tables just
>> anywhere, they need to go between sections. Therefore you need to
>> break up this object file.
> I think there is a real bug here but nobody has provided a test case.
> -ffunction-sections
> probably won't help.

Confirmed, it is a regression in gcc 4.5. If I build using 4.4.6
everything works fine. I'll file a bug report tonight.

Eike

  reply	other threads:[~2011-08-29  8:12 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-25 10:37 Link error in CMake for HPPA1.1, wrong result for HPPA 2.0 Rolf Eike Beer
2011-08-25 14:06 ` Carlos O'Donell
2011-08-25 15:21   ` Rolf Eike Beer
2011-08-25 15:46   ` John David Anglin
2011-08-29  8:12     ` Rolf Eike Beer [this message]
2011-08-29  9:47       ` Rolf Eike Beer
2011-08-29 14:38       ` John David Anglin
2011-08-29 18:31         ` Rolf Eike Beer
2011-09-07 23:35           ` John David Anglin
2011-09-08 15:22             ` Carlos O'Donell
2011-08-26  8:00   ` Rolf Eike Beer

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