[PATCH] make PowerPC64 default to nonexecutable stack
Andreas Schwab
schwab@linux-m68k.org
Mon Dec 27 15:36:00 GMT 2010
Ryan Arnold <rsa@us.ibm.com> writes:
> @@ -150,9 +151,13 @@ main (int argc, char *argv[])
> int cnt;
> int result = 0;
>
> - for (cnt = 1; cnt < argc; ++cnt)
> - result |= handle_file (argv[cnt]);
> -
> + /* We can return successfully, i.e., not fail, if PF_X isn't present. If it
> + * is present then check for the GNU_STACK header. */
> + if (DEFAULT_STACK_PERMS & PF_X)
> + {
That does not make sense. You always need to check the GNU_STACK
header.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
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