WIP functions processing

pythonbpf/functions_pass.py

@@ -0,0 +1,32 @@
+from llvmlite import ir
+import ast
+
+def emit_function(module: ir.Module, license_str: str):
+    license_bytes = license_str.encode("utf8") + b"\x00"
+    elems = [ir.Constant(ir.IntType(8), b) for b in license_bytes]
+    ty = ir.ArrayType(ir.IntType(8), len(elems))
+
+    gvar = ir.GlobalVariable(module, ty, name="LICENSE")
+
+    gvar.initializer = ir.Constant(ty, elems)  # type: ignore
+
+    gvar.align = 1                      # type: ignore
+    gvar.linkage = "dso_local"          # type: ignore
+    gvar.global_constant = False
+    gvar.section = "license"            # type: ignore
+
+    return gvar
+
+def functions_processing(tree, module):
+    bpf_functions = []
+    helper_functions = []
+    for node in tree.body:
+        section_name = ""
+        if isinstance(node, ast.FunctionDef):
+            if len(node.decorator_list) == 1:
+                bpf_functions.append(node)
+            else:
+                if 'helper_functions' not in locals():
+                    helper_functions.append(node)
+    
+