add an export function for the symbol table

ThomasWaldmann · ThomasWaldmann · commit 0eff1d5ee36c · 2018-03-20T00:12:56.000+01:00
diff --git a/esp32_ulp/__main__.py b/esp32_ulp/__main__.py
@@ -7,7 +7,10 @@
 def src_to_binary(src):
     assembler = Assembler()
     assembler.assemble(src)
-    assembler.dump()
+    addrs_syms = assembler.symbols.export()
+    for addr, sym in addrs_syms:
+        print('%04d %s' % (addr, sym))
+
     text, data, bss_len = assembler.fetch()
     return make_binary(text, data, bss_len)
 
diff --git a/esp32_ulp/assemble.py b/esp32_ulp/assemble.py
@@ -50,7 +50,11 @@ def get_sym(self, symbol):
     def dump(self):
         for symbol, entry in self._symbols.items():
             print(symbol, entry)
-        
+
+    def export(self):
+        addrs_syms = [(self.resolve_absolute(entry), symbol) for symbol, entry in self._symbols.items()]
+        return sorted(addrs_syms)
+
     def to_abs_addr(self, section, offset):
         try:
             base = self._bases[section]
