[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Gcl-devel] Re: function addresses and ld.so

From: Camm Maguire
Subject: Re: [Gcl-devel] Re: function addresses and ld.so
Date: 14 Aug 2003 11:20:23 -0400
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2

Greetings, and thanks for your reply!  Where might I look for the
SunOS example, if it still exists?

Take care,

Ian Lance Taylor <address@hidden> writes:

> Richard Henderson <address@hidden> writes:
> > On Wed, Aug 13, 2003 at 04:35:36PM -0700, David Mosberger wrote:
> > > Wouldn't, e.g., LD_PRELOADing something break this assumption?
> > 
> > Yes.  Or, indeed, just recompiling the library could result
> > in different PLT offsets within the DSO, even on x86.
> > 
> > This behaviour is completely broken.  It'll never work reliably.
> The unexec function needs to know about the PLT, and it needs to do
> the right thing.
> The emacs unexec function used to do this for SunOS shared libraries
> (which were the basis for ELF shared libraries).  It is at least
> theoretically possible to handle this correctly.
> Ian
> _______________________________________________
> Gcl-devel mailing list
> address@hidden
> http://mail.gnu.org/mailman/listinfo/gcl-devel

Camm Maguire                                            address@hidden
"The earth is but one country, and mankind its citizens."  --  Baha'u'llah

reply via email to

[Prev in Thread] Current Thread [Next in Thread]