Which Pokemon learn rock smash in ruby?

In Pokemon Ruby, the following Pokemon can learn Rock Smash:

* Machop: Learns it by level up at level 25

* Machoke: Learns it by level up at level 25

* Machamp: Learns it by level up at level 25

* Geodude: Learns it by level up at level 30

* Graveler: Learns it by level up at level 30

* Golem: Learns it by level up at level 30

You can also teach it to other Pokemon using a TM28.