Update clambcc/clambc-compiler.py

Cisco-Talos · Aug 5, 2024 · c23a29f · c23a29f
1 parent 06e1f55
commit c23a29f
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/clambcc/clambc-compiler.py b/clambcc/clambc-compiler.py
@@ -652,7 +652,12 @@ def createInputSourceFile(clangLLVM: ClangLLVM, name: str, args: list, options:
     'clambc-lcompiler',
     'verify',
 
-    # TODO: What does this do?
+    # This pass loops over all of the functions in the input module, looking for a main function. 
+    # If a main function is found, all other functions and all global variables with initializers are marked as internal.
+    #
+    # We maintain a list of public API functions to NOT internalize. See `INTERNALIZE_API_LIST`, above.
+    #
+    # See: https://llvm.org/docs/Passes.html#internalize-internalize-global-symbols
     'internalize',
     'verify',