Thanks for this thread. I see a few coping mechs here in your post, I THINK they are:
Acting Out,
Dissociation,
Reaction Formation,
Repression.

I have had sex abuse as a child and have repeatedly throughout my adulthood found myself in similar self harm situations. So I know how embarrassing this can be to admit.

But if you read this list of 15 coping mechs you'll see that some coping mechanisms are more "constructive" for you than other defenses.

I don't know if this helps any.