Date: Tue, 01 Sep 1998 18:15:32 +0000 From: Mike Smith <mike@smith.net.au> To: "Andrew Reilly" <reilly@zeta.org.au> Cc: John Polstra <jdp@polstra.com>, current@FreeBSD.ORG Subject: Re: ELF binaries size Message-ID: <199809011815.SAA02451@dingo.cdrom.com> In-Reply-To: Your message of "Wed, 02 Sep 1998 09:06:45 %2B1000." <19980902090645.A1965@reilly.home>
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> On Tue, Sep 01, 1998 at 10:19:18AM -0700, John Polstra wrote: > > Yes. That's because a.out rounds the text and data segments up to > > page boundaries, but ELF does not. > > Does that mean that the last page in a text segment is treated > differently (wrt vm paging) than the rest of the image, or is > garbage loaded plast the end, along with the last page? Is this > a security problem? No, we map both text and data read-only. The bss is still page-aligned. -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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