[PATCH 3/8] Enable the pointer guard in the dynamic loader

[DJ Delorie]

Adhemerval Zanella <adhemerval.zanella@linaro.org> writes:
> i386, powerpc, s390, sh and sparc fell back to the generic no-op
> pointer_guard.h in ld.so, so the loader's own setjmp/longjmp and mangled
> function pointers were left unprotected (the other targets already
> mangle in rtld).  ld.so is position-independent and sets up
> __pointer_chk_guard_local early in dl_main, so the loader can reach it
> the same way a statically linked program does:

LGTM
Reviewed-by: DJ Delorie <dj@redhat.com>