On Sat, 2007-06-30 at 00:15 +0200, Andreas Schwab wrote: > Arjan van de Ven <[EMAIL PROTECTED]> writes: > > > like this: > > > > $ eu-readelf -l /bin/true | grep STACK > > GNU_STACK 0x000000 0x00000000 0x00000000 0x000000 0x000000 RW 0x4 > > > > > > (replace /bin/true with the binary or library you want to check) > > > > if it says "RW" like here, it'll have non-executable stack. If it says > > "RWX" or if this line is absent entirely, the stack will be executable. > > The last part is not true. Some architectures (especially newer ones) > default to non-exec stack. The absense of a GNU_STACK header represents > the default.
ok you're right; powerpc64 defaults to non-executable stack (all others default to executable stack) -- if you want to mail me at work (you don't), use arjan (at) linux.intel.com Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/