Subject: bug#27629: add some commands and LOG2CEIL builtin to ld-script mode

From: Alexander Kuleshov <[email-masked]>
Date: Sun, 9 Jul 2017 18:22:44 +0600

Hello,

Here is a patch that adds: NOCROSSREFS_TO and HIDDEN
commands to ld-script mode and LOG2CEIL builtin.

Thank you.