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-rw-r--r--example/ida/graph_ir.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/example/ida/graph_ir.py b/example/ida/graph_ir.py
index 7e303aac..6dfa1f7d 100644
--- a/example/ida/graph_ir.py
+++ b/example/ida/graph_ir.py
@@ -121,6 +121,10 @@ def build_graph(verbose=False, simplify=False):
         # print hex(ad), repr(name)
         if name is None:
             continue
+        if (mdis.symbol_pool.getby_offset(addr) or
+            mdis.symbol_pool.getby_name(name)):
+            # Symbol alias
+            continue
         mdis.symbol_pool.add_label(name, addr)
 
     if verbose: