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handle non-complex types along with recursion

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varun-r-mallya
2025-10-11 19:04:11 +05:30
parent 168e26268e
commit 1e3d775865
2 changed files with 14 additions and 3 deletions
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16
pythonbpf/vmlinux_parser/vmlinux_class_handler.py
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@ -16,7 +16,15 @@ def get_module_symbols(module_name: str):
# Recursive function that gets all the dependent classes and adds them to handler # Recursive function that gets all the dependent classes and adds them to handler
def process_vmlinux_class(node, llvm_module, handler: DependencyHandler): def process_vmlinux_class(node, llvm_module, handler: DependencyHandler):
symbols_in_module, imported_module = get_module_symbols("vmlinux") symbols_in_module, imported_module = get_module_symbols("vmlinux")
current_symbol_name = node.name
# Handle both node objects and type objects
if hasattr(node, 'name'):
current_symbol_name = node.name
elif hasattr(node, '__name__'):
current_symbol_name = node.__name__
else:
current_symbol_name = str(node)
if current_symbol_name not in symbols_in_module: if current_symbol_name not in symbols_in_module:
raise ImportError(f"{current_symbol_name} not present in module vmlinux") raise ImportError(f"{current_symbol_name} not present in module vmlinux")
logger.info(f"Resolving vmlinux class {current_symbol_name}") logger.info(f"Resolving vmlinux class {current_symbol_name}")
@ -43,7 +51,7 @@ def process_vmlinux_class(node, llvm_module, handler: DependencyHandler):
else: else:
raise TypeError("Could not get required class and definition") raise TypeError("Could not get required class and definition")
logger.info(f"Extracted fields for {current_symbol_name}: {field_table}") logger.debug(f"Extracted fields for {current_symbol_name}: {field_table}")
if handler.has_node(current_symbol_name): if handler.has_node(current_symbol_name):
logger.info("Extraction pruned due to already available field") logger.info("Extraction pruned due to already available field")
return True return True
@ -55,7 +63,9 @@ def process_vmlinux_class(node, llvm_module, handler: DependencyHandler):
new_dep_node.add_field(elem_name, elem_type, ready=True) new_dep_node.add_field(elem_name, elem_type, ready=True)
elif module_name == "vmlinux": elif module_name == "vmlinux":
new_dep_node.add_field(elem_name, elem_type, ready=False) new_dep_node.add_field(elem_name, elem_type, ready=False)
if process_vmlinux_class(elem_type, llvm_module, handler): # Create a temporary node-like object for recursion
temp_node = type('TempNode', (), {'name': elem_type.__name__ if hasattr(elem_type, '__name__') else str(elem_type)})()
if process_vmlinux_class(temp_node, llvm_module, handler):
new_dep_node.set_field_ready(elem_name, True) new_dep_node.set_field_ready(elem_name, True)
else: else:
print(f"[other] {elem_name} -> {elem_type}") print(f"[other] {elem_name} -> {elem_type}")

1
tests/failing_tests/xdp_pass.py
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@ -2,6 +2,7 @@ from pythonbpf import bpf, map, section, bpfglobal, compile, compile_to_ir
from pythonbpf.maps import HashMap from pythonbpf.maps import HashMap
from pythonbpf.helper import XDP_PASS from pythonbpf.helper import XDP_PASS
from vmlinux import struct_xdp_md from vmlinux import struct_xdp_md
# from vmlinux import struct_ring_buffer_per_cpu
from ctypes import c_int64 from ctypes import c_int64
# Instructions to how to run this program # Instructions to how to run this program