linux-user/elfload.c: Don't use _raw accessor functions

The _raw accessor functions are an implementation detail that has
leaked out to some callsites. Use get_user_u64() instead of ldq_raw().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1421334118-3287-5-git-send-email-peter.maydell@linaro.org

linux-user/elfload.c

@@ -829,8 +829,11 @@ static inline void init_thread(struct target_pt_regs *_regs, struct image_info *
     _regs->gpr[1] = infop->start_stack;
 #if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
     if (get_ppc64_abi(infop) < 2) {
-        _regs->gpr[2] = ldq_raw(infop->entry + 8) + infop->load_bias;
-        infop->entry = ldq_raw(infop->entry) + infop->load_bias;
+        uint64_t val;
+        get_user_u64(val, infop->entry + 8);
+        _regs->gpr[2] = val + infop->load_bias;
+        get_user_u64(val, infop->entry);
+        infop->entry = val + infop->load_bias;
     } else {
         _regs->gpr[12] = infop->entry;  /* r12 set to global entry address */
     }