From: linas@austin.ibm.com (Linas Vepstas)
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: Base address of executables - weirdness?
Date: Tue, 6 Jun 2006 12:33:43 -0500 [thread overview]
Message-ID: <20060606173343.GE9294@austin.ibm.com> (raw)
In-Reply-To: <4485A279.4050403@zytor.com>
On Tue, Jun 06, 2006 at 08:42:49AM -0700, H. Peter Anvin wrote:
> I'm trying to track down an odd issue with klibc on ppc32.
>
> Until recently, binaries linked with ld defaulted to a base address of
> 0x10000000+SIZEOF_HEADERS. However, recently I've gotten a couple of
> reports -- and I've been able to confirm this on my FC5 system -- that
> some versions of ld links at 0x01800000+SIZEOF_HEADERS. Needless to
> say, this is more than a bit confusing, *especially* since "ld -verbose"
> still reports:
>
> PROVIDE (__executable_start = 0x10000000); . = 0x10000000 +
> SIZEOF_HEADERS;
>
> ... at the top of the linker script.
>
> I'm rather baffled. Has anyone else seen this, and/or have any other
> explanation?
Googling "0x01800000 linux ppc" brings up some interesting but old hits.
However, I swear I saw someone suggest a patch last week that changed
0x10000000 to 0x01800000 somewhere, (vmlinux.lds ??) as a proposed cure
for a bug. Sorry, I deleted it.
--linas
next prev parent reply other threads:[~2006-06-06 19:47 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-06 15:42 Base address of executables - weirdness? H. Peter Anvin
2006-06-06 17:33 ` Linas Vepstas [this message]
2006-06-06 18:21 ` H. Peter Anvin
2006-06-06 21:15 ` Andreas Schwab
2006-06-06 21:21 ` H. Peter Anvin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20060606173343.GE9294@austin.ibm.com \
--to=linas@austin.ibm.com \
--cc=hpa@zytor.com \
--cc=linuxppc-dev@ozlabs.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).