fix dm and Makefile

Signed-off-by: Richard Li <[email protected]>

Makefile

@@ -33,4 +33,4 @@ drgn_tools/_version.py:
 .PHONY: rsync
 rsync: drgn_tools/_version.py
 	@if [ -z "$(TARGET)" ]; then echo "error: TARGET unspecified. Either set it in config.mk, or use\nmake TARGET=hostname rsync"; exit 1; fi
-	rsync -avz --exclude "__pycache__" --exclude ".git" --exclude ".mypy_cache" ./drgn_tools $(TARGET):drgn_tools/
+	rsync -avz --exclude "__pycache__" --exclude ".git" --exclude ".mypy_cache" ./drgn_tools $(TARGET)

drgn_tools/dm.py

@@ -26,14 +26,22 @@ def for_each_dm_hash(prog: Program) -> Iterable[Tuple[Object, str, str]]:
         for hc in list_for_each_entry(
             "struct hash_cell", head.address_of_(), "name_list"
         ):
-            yield hc.md, hc.name.string_().decode(), hc.uuid.string_().decode()
+            uuid = ""
+            if hc.uuid:
+                uuid = hc.uuid.string_().decode()
+
+            yield hc.md, hc.name.string_().decode(), uuid
 
 
 def for_each_dm_rbtree(prog: Program) -> Iterable[Tuple[Object, str, str]]:
     for hc in rbtree_inorder_for_each_entry(
         "struct hash_cell", prog["name_rb_tree"], "name_node"
     ):
-        yield hc.md, hc.name.string_().decode(), hc.uuid.string_().decode()
+        uuid = ""
+        if hc.uuid:
+            uuid = hc.uuid.string_().decode()
+
+        yield hc.md, hc.name.string_().decode(), uuid
 
 
 def for_each_dm(prog: Program) -> Iterable[Tuple[Object, str, str]]: