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find global variable ir and field data from metadata

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varun-r-mallya
2025-10-24 03:34:17 +05:30
parent 30bcfcbbd0
commit c6b5ecb47e
3 changed files with 7 additions and 6 deletions
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4
pythonbpf/functions/functions_pass.py
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@ -348,9 +348,7 @@ def process_func_body(
resolved_type = VmlinuxHandlerRegistry.get_struct_type( resolved_type = VmlinuxHandlerRegistry.get_struct_type(
context_type_name context_type_name
) )
context_type = LocalSymbol( context_type = LocalSymbol(None, None, resolved_type)
None, ir.PointerType(resolved_type), resolved_type
)
local_sym_tab[context_name] = context_type local_sym_tab[context_name] = context_type
logger.info(f"Added argument '{context_name}' to local symbol table") logger.info(f"Added argument '{context_name}' to local symbol table")

7
pythonbpf/vmlinux_parser/vmlinux_exports_handler.py
View File

@ -93,8 +93,11 @@ class VmlinuxHandler:
logger.info( logger.info(
f"Attempting to access field {field_name} of possible vmlinux struct {struct_var_name}" f"Attempting to access field {field_name} of possible vmlinux struct {struct_var_name}"
) )
print(var_info.ir_type) python_type: type = var_info.metadata
print(self.get_field_type(struct_var_name, field_name)) globvar_ir, field_data = self.get_field_type(
python_type.__name__, field_name
)
# Return pointer to field and field type # Return pointer to field and field type
return None return None
else: else:

2
tests/failing_tests/vmlinux/struct_field_access.py
View File

@ -17,7 +17,7 @@ def hello_world(ctx: struct_trace_event_raw_sys_enter) -> c_int64:
a = 2 + TASK_COMM_LEN + TASK_COMM_LEN a = 2 + TASK_COMM_LEN + TASK_COMM_LEN
b = ctx.id b = ctx.id
print(f"Hello, World{TASK_COMM_LEN} and {a}") print(f"Hello, World{TASK_COMM_LEN} and {a}")
# print(f"This is context field {b}") print(f"This is context field {b}")
return c_int64(TASK_COMM_LEN + 2) return c_int64(TASK_COMM_LEN + 2)