add symbols map

GUIDE

@@ -85,5 +85,8 @@ Section 2:
 	2.4 The breakpoint
 	  If you want your code to run every loop before the "int int_input_line", you can replace the
 	  interrupt 0x27 with your code. This is used in the clock as you can see.
-  
+	2.5 sysmap.inc
+	  sysmap.inc can be generated with "make symbols" and can be used to link your program
+	  to the running system. You just have to add "%include sysmap.inc" to use the labels.
+
 will be expanded...

Makefile

@@ -14,6 +14,7 @@ help:
 	@echo installer: make installer
 	@echo cdimg: make cd image
 	@echo strip: strip image
+	@echo symbols: create sysmap.inc
 	@echo ================
 
 .PHONY: all
@@ -26,6 +27,7 @@ clean:
 	$(RM) *.img
 	$(RM) *.lst
 	$(RM) lst/*.lst
+	$(RM) *.inc
 
 .PHONY: run
 run: os.img
@@ -78,3 +80,5 @@ strip: os.img
 .PHONY: runkvm
 runkvm: os.img
 	qemu-system-x86_64 -drive file=$<,format=raw --enable-kvm -serial stdio
+.PHONY: symbols
+	python3 symbols.py

symbols.py

+import os
+
+content = ""
+
+with open("os.asm", "r") as file:
+    for line in file.readlines():
+        if line.startswith("%"):
+            continue
+        if ":" in line:
+            ln = line
+            line = line.split(";")[0]
+            if line == "":
+                content += ln
+                continue
+            line = line.split(":")[0] + "\n"
+            content += ln + "%assign __" + line.replace("\n", "") + " $ - $$\n%warning _" + line.replace("\n", "") + " __" + line
+        else:
+            content += line
+with open("sysmap.asm", "w") as file:
+    file.write(content)
+
+os.system("nasm -f bin -o tmp.img sysmap.asm 2> sysmap.txt")
+os.system("rm sysmap.asm tmp.img")
+
+content = ""
+
+with open("sysmap.txt", "r") as file:
+    for line in file.readlines():
+        ln = line
+        line = ("_".join(line.split("_")[1:])).split(" ")[:2]
+        try:
+            content += "%define " + line[0][1:] + " " + hex(0x7a00 + int(line[1])) + "\n"
+        except:
+            pass
+with open("sysmap.inc", "w") as file:
+    file.write(content)
+
+os.system("rm sysmap.txt")