[PATCH] make PowerPC64 default to nonexecutable stack

[Andreas Schwab]

Steve Munroe <sjmunroe@us.ibm.com> writes:

> I would think the point of check-execstack is to check for GNU_STACK on
> arches that need explicit noexec-stack. Not to report false failures for
> arches that are always noexec-stack and never need GNU_STACK.

No, the point is to report _true_ failures.  Failures to maintain a
non-executable stack.

> It is an long standing agreement between Roland and Alan Modra that
> PowerPC64 does not need GNU_STACK.

*Every* architecture needs GNU_STACK, to signal stack segment flags
different from the default.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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