Implement and link m_cockroach, m_police_box

config/rel_slices.yml

@@ -1,5 +1,7 @@
 sys_vimgr.c:
     .text: [0x803703F8, 0x80370418]
+m_cockroach.c:
+    .text: [0x80385430, 0x80385A80]
 m_debug_hayakawa.c:
     .text: [0x803965E4, 0x803973E8]
     .rodata: [0x80641D50, 0x80641D90]
@@ -21,6 +23,10 @@ m_malloc.c:
 #m_lib.c: #sqrtf statics
 #    .text: [0x803BAB0C, 0x803BB960]
 #    .rodata: [0x80642640, 0x80642680]
+m_police_box.c:
+    .text: [0x803DE8A0, 0x803DEE38]
+    .rodata: [0x806431C8, 0x806431D8]
+    .data: [0x8065BE98, 0x8065BEF0]
 m_room_type/mRmTp_FtrItemNo2FtrIdx.c:
     .text: [0x803E7878, 0x803E78BC]
 #m_time.c: # unlinked until function callers that reorder local static variables are implemented.