feat: Linkerscript now tracks RAM/ROM usage

Based on https://github.com/pret/pokeemerald/pull/1952

ld_script_modern.ld

@@ -1,24 +1,26 @@
 gNumMusicPlayers = 4;
 gMaxLines = 0;
 
-SECTIONS {
-    . = 0x2000000;
+MEMORY
+{
+    EWRAM (rwx) : ORIGIN = 0x2000000, LENGTH = 256K
+    IWRAM (rwx) : ORIGIN = 0x3000000, LENGTH = 32K
+    ROM    (rx) : ORIGIN = 0x8000000, LENGTH = 32M
+}
 
-    ewram (NOLOAD) :
+SECTIONS {
+
+    .ewram.sbss 0x2000000 (NOLOAD) :
     ALIGN(4)
     {
         gHeap = .;
 
         . = 0x1C000;
 
-        *(ewram_data);
+        *(.sbss);
+    } > EWRAM
 
-        . = 0x40000;
-    }
-
-    . = 0x3000000;
-
-    iwram (NOLOAD) :
+    iwram 0x3000000 (NOLOAD) :
     ALIGN(4)
     {
         /* .bss starts at 0x3000000 */
@@ -30,8 +32,7 @@ SECTIONS {
         *(COMMON);
         end = .;
         __end__ = .;
-        . = 0x8000;
-    }
+    } > IWRAM
 
     . = 0x8000000;
 
@@ -43,25 +44,25 @@ SECTIONS {
         src/crt0.o(.text);
         src/main.o(.text);
         *(.text*);
-    } =0
+    } > ROM =0
 
     script_data :
     ALIGN(4)
     {
     	*(script_data);
-    } =0
+    } > ROM =0
 
     .data :
     ALIGN(4)
     {
     	*(.data*);
-    } =0
+    } > ROM =0
 
     .rodata :
     ALIGN(4)
     {
     	*(.rodata*);
-    } =0
+    } > ROM =0
 
     /* DWARF 2 sections */
     .debug_aranges  0 : { *(.debug_aranges) }