On 25 August 2014 15:57, Andrew McDonnell <[email protected]> wrote: > On 25/08/14 22:56, Andrew McDonnell wrote: >> Hmmm, I am having some trouble repeating my original result. >> > <snipped> > > OK, with a fresh build, the following appears to apply: > > * OpenWRT sets UCLIBC_BUILD_NOEXECSTACK=y > > * Somehow this ends up with libcrypt, libm, libresolv, libnsl, libthread_db, > libdl and and libutil actually having the NX flag set in the ELF despite > there being no -Wl,-z,noexecstack linker option specified. > > This I really do not understand yet! > > * ld-uClibc, librt, libuClibc and libpthread _dont have the NX flag set, which > is what I would have expected when the link was missing the noexecstack > option. > > * The above was checked before any stripping applied, just in case > > Now its gotten too late, so I'll have to re-test my patch that applies the > noexecstack marking to ld-uClibc, librt, libuClibc and libpthread as well > later this week before I submit it. > > FWIW this is all done using the OpenWRT buildroot for a carambola2 target > > There is another oddity with all of this, as well. > > Every single one of libcrypt, libm, libresolv, libnsl, libthread_db, libdl, > libutil, libuClibc, librt and libpthread are all built with -Wl,-z-relro yet > the GNU_RELRO section is only present in libdl, libpthread and libuClibc and > yet all are built with exactly the same set of -Wl,-z options > > I am wondering if this is this bug, > https://sourceware.org/bugzilla/show_bug.cgi?id=16322 because OpenWRT binutils > is still 2.23
I cannot reproduce this with binutils-gdb 2.24.51.20140818. Can you try with binutils 2.24 or later please? TIA, _______________________________________________ uClibc mailing list [email protected] http://lists.busybox.net/mailman/listinfo/uclibc
