All in the name of size!

Makefile

@@ -1,5 +1,5 @@
-server: main.o func.o
-	gcc main.o func.o -o server -nostdlib -static
+server: link.ld main.o func.o
+	gcc -T link.ld main.o func.o -o server -nostdlib -static
 
 main.o: main.S
 	gcc -c main.S

link.ld

@@ -0,0 +1,15 @@
+ENTRY(_start)
+
+SECTIONS {
+	. = 4M;
+	. = . + SIZEOF_HEADERS;
+	.text : { *(.text) } :text
+	.rodata : { *(.rodata) }
+	. = ALIGN(4K);
+	.bss : { *(COMMON) *(.bss) } :bss
+}
+
+PHDRS {
+	text PT_LOAD FILEHDR PHDRS FLAGS(5);
+	bss PT_LOAD;
+}