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From: Ingo Molnar <mingo@elte.hu>
To: Brian Gerst <bgerst@didntduck.org>
Cc: Linus Torvalds <torvalds@osdl.org>,
	linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>,
	Andi Kleen <ak@suse.de>, Arjan van de Ven <arjanv@redhat.com>,
	"Siddha, Suresh B" <suresh.b.siddha@intel.com>,
	"Nakajima, Jun" <jun.nakajima@intel.com>
Subject: Re: [announce] [patch] NX (No eXecute) support for x86, 2.6.7-rc2-bk2
Date: Fri, 4 Jun 2004 11:39:58 +0200	[thread overview]
Message-ID: <20040604093958.GE11034@elte.hu> (raw)
In-Reply-To: <40BF201F.2020701@quark.didntduck.org>


* Brian Gerst <bgerst@didntduck.org> wrote:

> Wine breaks because of the part of exec-shield that relocates shared
> libs to low addresses, where the (stripped) Windows binaries expect to
> be loaded at.  NX stack doesn't affect it.

I think Wine could get around this by creating a dummy ELF section in
the Wine binary that covers the first 1GB or so. Wine could still use
ordinary dynamic libraries - those would go above that 1GB. Then once
Wine has loaded up it can munmap() that first 1GB.

(this would not work if Wine has to dlopen() new libraries after this
phase - does that happen?)

	Ingo

  reply	other threads:[~2004-06-04  9:42 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-02 20:50 [announce] [patch] NX (No eXecute) support for x86, 2.6.7-rc2-bk2 Ingo Molnar
2004-06-02 21:00 ` Christoph Hellwig
2004-06-02 21:07   ` Ingo Molnar
2004-06-02 21:13 ` Linus Torvalds
2004-06-02 21:17   ` Arjan van de Ven
2004-06-02 21:31     ` Doug McNaught
2004-06-08  8:46       ` Jakub Jelinek
2004-06-03  1:12     ` Joel Becker
2004-06-03  1:27       ` Andi Kleen
2004-06-03  6:24       ` Arjan van de Ven
2004-06-03 20:37     ` jlnance
2004-06-03  7:21   ` Ingo Molnar
2004-06-03 12:44     ` Ingo Molnar
2004-06-03 15:54       ` Andi Kleen
2004-06-03 23:01         ` Andy Lutomirski
2004-06-03 23:08           ` Andi Kleen
2004-06-03 23:54             ` Andy Lutomirski
2004-06-04  0:05               ` Andy Lutomirski
2004-06-04  9:25             ` Ingo Molnar
2004-06-04 15:26               ` Andy Lutomirski
2004-06-04 15:36                 ` Linus Torvalds
2004-06-04 15:41                   ` Arjan van de Ven
2004-06-04 15:47                     ` Linus Torvalds
2004-06-04 15:51                       ` Arjan van de Ven
2004-06-04 16:02                         ` Linus Torvalds
2004-06-04 16:13                           ` Andi Kleen
2004-06-04 16:37                             ` Arjan van de Ven
2004-06-04 16:40                               ` Christoph Hellwig
2004-06-04 17:27                                 ` David Mosberger
2004-06-04 17:30                                 ` Andi Kleen
2004-06-08  9:07                             ` Jakub Jelinek
2004-06-08  9:14                               ` Andi Kleen
2004-06-08  9:19                                 ` Arjan van de Ven
2004-06-04 16:51                           ` Ulrich Drepper
2004-06-08 17:15                             ` Bill Davidsen
2004-06-04 18:11                         ` Gerhard Mack
2004-06-04 18:12                           ` Arjan van de Ven
2004-06-04 16:06                   ` Ingo Molnar
2004-06-04 17:20                     ` Ingo Molnar
2004-06-04 17:22                       ` Ingo Molnar
2004-06-04 17:32                         ` Ingo Molnar
2004-06-03 19:24       ` Suresh Siddha
2004-06-03 20:37         ` Andi Kleen
2004-06-03 22:58           ` Suresh Siddha
2004-06-03 23:06             ` Andi Kleen
2004-06-04  9:30             ` Ingo Molnar
2004-06-03 12:57     ` Brian Gerst
2004-06-04  9:39       ` Ingo Molnar [this message]
2004-06-04 10:41         ` Christoph Hellwig
2004-06-04 10:48           ` William Lee Irwin III
2004-06-03 16:21     ` Ulrich Drepper
2004-06-03 19:30   ` Kurt Garloff
2004-06-02 21:43 ` Andi Kleen
2004-06-03  0:11 ` Rusty Russell
2004-06-03  0:17   ` Jeff Garzik
2004-06-03  7:24   ` Ingo Molnar
2004-06-03  8:47   ` Ingo Molnar
2004-06-03  8:53   ` Ingo Molnar
2004-06-04  0:04     ` Rusty Russell
2004-06-03  9:07 ` Ingo Molnar
2004-06-03 14:36 ` Gerhard Mack
2004-06-03 16:22   ` Arjan van de Ven
2004-06-04  9:36   ` Ingo Molnar
2004-06-04 11:59     ` Stephen Wille Padnos
     [not found] <22L0f-5Ci-11@gated-at.bofh.it>
     [not found] ` <22O7J-8dw-11@gated-at.bofh.it>
     [not found]   ` <22Wf4-5Xv-23@gated-at.bofh.it>
2004-06-03  9:43     ` Andi Kleen
  -- strict thread matches above, loose matches on Subject: below --
2004-06-04 18:01 Nakajima, Jun

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