[ksh93-integration-discuss] magic numbers (was Trouble with"ERROR:ctfconvert:pics/wordexp.o: Couldn't parse stab "#vla0:(0, 14)"(source file pics/wordexp.o)")

[Casper.Dik at Sun.COM]

>Mike Kupfer writes:
>> should be considered.  (I can't remember if Solaris prevents execution
>> out of the stack by default.  If it does, this is less of a concern.)
>
>On systems where such a thing is possible, it's done by default.  Not
>all CPUs can actually do that, though.

On 32 bit SPARC it's allowed by default beccause it's required by the
ABI.

However, a large number of Solaris programs is linked such that they
do not allow an executable stack.

In 64 bit it is not allowed (both SPARC and AMD).

Casper