diff --git a/config/rel_slices.yml b/config/rel_slices.yml
index f9387886..93c6421f 100644
--- a/config/rel_slices.yml
+++ b/config/rel_slices.yml
@@ -1,59 +1,62 @@
-sys_vimgr.c:
-    .text: [0x803703F8, 0x80370418]
-m_debug_hayakawa.c:
-    .text: [0x803965E4, 0x803973E8]
-    .rodata: [0x80641D50, 0x80641D90]
-    .data: [0x80651328, 0x80651358]
-#m_malloc.c: #can't find zelda_arena
-#    .text: [0x803BC510, 0x803BC70C]
-#    .bss: [0x81297CA0, 0x81297CD0]
-m_room_type/mRmTp_FtrItemNo2FtrIdx.c:
-    .text: [0x803E7878, 0x803E78BC]
-#m_time.c: # unlinked until function callers that reorder local static variables are implemented.
-#    .text: [0x803F33DC, 0x803F3E58]
-#    .rodata: [0x806433B0, 0x806433D8]
-#    .data: [0x8065E378, 0x8065E438]
-#    .bss: [0x8129F410, 0x8129F420]
-#m_skin_matrix.c:
-#    .text: [0x803f1528, 0x803f1bb4]
-#   .rodata: [0x80643310, 0x80643318]
-sys_stacks.c:
-    .bss: [0x812F5670, 0x812F9670]
-m_olib.c:
-    .text: [0x803D88E8, 0x803D8A34]
-    .rodata: [0x80642A00, 0x80642A10]
-THA_GA.c:
-    .text: [0x80404AE0, 0x80404B40]
-TwoHeadArena.c:
-    .text: [0x80404B40, 0x80404C68]
-gfxalloc.c:
-    .text: [0x804054b0, 0x80405518]
-graph.c:
-    .text: [0x80405518, 0x80405EC8]
-    .data: [0x8065ECA8, 0x8065ECB0]
-    .bss: [0x812F31E8, 0x812F3560]
-lb_rtc.c:
-    .text: [0x80406480, 0x8040752C]
-    .rodata: [0x806436F8, 0x806437A0]
-    .data: [0x8065ECD0, 0x8065ECD8]
-    .bss: [0x812F4CB0, 0x812F4CC0]
-lb_reki.c:
-    .text: [0x8040752C, 0x80407AE8]
-    .rodata: [0x806437A0, 0x806437C0]
-    .data: [0x8065ECD8, 0x8065F110]
-zurumode.c:
-    .text: [0x8040eb38, 0x8040f008]
-    .bss: [0x812f9670, 0x812f9680]
-    .data: [0x8065F9F0, 0x8065FA30]
-sys_ucode.c:
-    .text: [0x8040F008, 0x8040F048]
-    .data: [0x8065FA30, 0x8065FA40]
-m_random_field/mRF_MakePerfectBit.c:
-    .text: [0x8050B1AC, 0x8050B1D4]
-m_random_field/mRF_GetRandomStepMode.c:
-    .text: [0x8050B284, 0x8050B2C0]
-sys_dynamic.c:
-    .bss: [0x813413F8, 0x81361820]
-# ac_aprilfool_control/aPC_actor_dt.c: common_data is pure bs, 
-    # .text: [0x805153f0, 0x8051542C]
-
+sys_vimgr.c:
+    .text: [0x803703F8, 0x80370418]
+m_debug_hayakawa.c:
+    .text: [0x803965E4, 0x803973E8]
+    .rodata: [0x80641D50, 0x80641D90]
+    .data: [0x80651328, 0x80651358]
+m_malloc.c:
+    .text: [0x803BC510, 0x803BC70C]
+    .bss: [0x81297CA0, 0x81297CD0]
+#m_lib.c: #sqrtf statics
+#    .text: [0x803BAB0C, 0x803BB960]
+#    .rodata: [0x80642640, 0x80642680]
+m_room_type/mRmTp_FtrItemNo2FtrIdx.c:
+    .text: [0x803E7878, 0x803E78BC]
+#m_time.c: # unlinked until function callers that reorder local static variables are implemented.
+#    .text: [0x803F33DC, 0x803F3E58]
+#    .rodata: [0x806433B0, 0x806433D8]
+#    .data: [0x8065E378, 0x8065E438]
+#    .bss: [0x8129F410, 0x8129F420]
+#m_skin_matrix.c:
+#    .text: [0x803f1528, 0x803f1bb4]
+#   .rodata: [0x80643310, 0x80643318]
+sys_stacks.c:
+    .bss: [0x812F5670, 0x812F9670]
+m_olib.c:
+    .text: [0x803D88E8, 0x803D8A34]
+    .rodata: [0x80642A00, 0x80642A10]
+THA_GA.c:
+    .text: [0x80404AE0, 0x80404B40]
+TwoHeadArena.c:
+    .text: [0x80404B40, 0x80404C68]
+gfxalloc.c:
+    .text: [0x804054b0, 0x80405518]
+graph.c:
+    .text: [0x80405518, 0x80405EC8]
+    .data: [0x8065ECA8, 0x8065ECB0]
+    .bss: [0x812F31E8, 0x812F3560]
+lb_rtc.c:
+    .text: [0x80406480, 0x8040752C]
+    .rodata: [0x806436F8, 0x806437A0]
+    .data: [0x8065ECD0, 0x8065ECD8]
+    .bss: [0x812F4CB0, 0x812F4CC0]
+lb_reki.c:
+    .text: [0x8040752C, 0x80407AE8]
+    .rodata: [0x806437A0, 0x806437C0]
+    .data: [0x8065ECD8, 0x8065F110]
+zurumode.c:
+    .text: [0x8040eb38, 0x8040f008]
+    .bss: [0x812f9670, 0x812f9680]
+    .data: [0x8065F9F0, 0x8065FA30]
+sys_ucode.c:
+    .text: [0x8040F008, 0x8040F048]
+    .data: [0x8065FA30, 0x8065FA40]
+m_random_field/mRF_MakePerfectBit.c:
+    .text: [0x8050B1AC, 0x8050B1D4]
+m_random_field/mRF_GetRandomStepMode.c:
+    .text: [0x8050B284, 0x8050B2C0]
+sys_dynamic.c:
+    .bss: [0x813413F8, 0x81361820]
+# ac_aprilfool_control/aPC_actor_dt.c: common_data is pure bs, 
+    # .text: [0x805153f0, 0x8051542C]
+
diff --git a/include/libc64/__osMalloc.h b/include/libc64/__osMalloc.h
index d1d711f8..68a3c720 100644
--- a/include/libc64/__osMalloc.h
+++ b/include/libc64/__osMalloc.h
@@ -16,7 +16,8 @@ typedef struct Arena {
     /* 0x20 */ u8 unk_20;
     /* 0x21 */ u8 isInit;
     /* 0x22 */ u8 flag;
-} Arena; // size = 0x24
+    /* 0x24 */ u8 pad[0x2C-0x24];
+} Arena; // size = 0x2C
 
 typedef struct ArenaNode {
     /* 0x00 */ s16 magic;
diff --git a/rel/m_lib.c b/rel/m_lib.c
index bc605aa1..df15d90d 100644
--- a/rel/m_lib.c
+++ b/rel/m_lib.c
@@ -47,6 +47,7 @@
 #include "m_actor.h"
 #include "m_play.h"
 #include "main.h"
+#include "MSL_C/w_math.h"
 
 /**
  * @brief Copy memory from the source buffer to the destination buffer.
diff --git a/rel/m_malloc.c b/rel/m_malloc.c
index a6c12aef..7cd3d4f3 100644
--- a/rel/m_malloc.c
+++ b/rel/m_malloc.c
@@ -1,6 +1,6 @@
 #include "m_malloc.h"
 
-Arena zelda_arena; 
+Arena zelda_arena;
 
 void zelda_malloc_align(u32 size, u32 align){
     __osMallocAlign(&zelda_arena, size, align);
@@ -43,4 +43,4 @@ void zelda_CleanupArena() {
 
 extern int zelda_MallocIsInitalized() {
     return __osMallocIsInitalized(&zelda_arena);
-}
\ No newline at end of file
+}