[Fwd: Re: Switch SPARC GNU coreutils+bash from 32 to 64bit PSARC 2008/351
Darren J Moffat
darrenm at opensolaris.org
Tue Jun 3 07:41:16 PDT 2008
Richard L. Hamilton wrote:
>> - Stack would be non-executable by default
> An advantage, certainly, although if someone is paranoid (and has no
> self-modifying code that would choke on it), this can be done for 32-bit with
> an /etc/system setting.
The ON consolidation, and some others, already ensure that 32 bit
programs are built with a non executable stack. It is the default on ON
and can easily be done in other consolidations by using the linker
mapfile /usr/lib/ld/map.noexstk.
--
Darren J Moffat
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