Shuffle breakpoint functions around
diff --git a/sysdeps/linux-gnu/ppc/plt.c b/sysdeps/linux-gnu/ppc/plt.c
index d346eb6..a54632d 100644
--- a/sysdeps/linux-gnu/ppc/plt.c
+++ b/sysdeps/linux-gnu/ppc/plt.c
@@ -598,7 +598,9 @@
 	}
 }
 
-/* For some symbol types, we need to set up custom callbacks.  */
+/* For some symbol types, we need to set up custom callbacks.  XXX we
+ * don't need PROC here, we can store the data in BP if it is of
+ * interest to us.  */
 int
 arch_breakpoint_init(struct Process *proc, struct breakpoint *bp)
 {