varun-r-mallya/python-bpf
1
0
Fork 0
mirror of https://github.com/varun-r-mallya/Python-BPF.git synced 2025-12-31 21:06:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

Pass down type info in local_sym_tab

Browse Source
This commit is contained in:
Pragyansh Chaturvedi
2025-09-25 23:43:19 +05:30
parent ba90af9ff2
commit 943697ac9f
2 changed files with 15 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
pythonbpf/functions_pass.py
View File

@ -81,6 +81,19 @@ def handle_assign(func, module, builder, stmt, map_sym_tab, local_sym_tab, struc
local_sym_tab[var_name])
# local_sym_tab[var_name] = var
print(f"Assigned constant {rval.value} to {var_name}")
elif isinstance(rval.value, str):
str_val = rval.value.encode('utf-8') + b'\x00'
str_const = ir.Constant(ir.ArrayType(
ir.IntType(8), len(str_val)), bytearray(str_val))
global_str = ir.GlobalVariable(
module, str_const.type, name=f"{var_name}_str")
global_str.linkage = 'internal'
global_str.global_constant = True
global_str.initializer = str_const
str_ptr = builder.bitcast(
global_str, ir.PointerType(ir.IntType(8)))
builder.store(str_ptr, local_sym_tab[var_name])
print(f"Assigned string constant '{rval.value}' to {var_name}")
else:
print("Unsupported constant type")
elif isinstance(rval, ast.Call):
@ -389,7 +402,7 @@ def allocate_mem(module, builder, body, func, ret_type, map_sym_tab, local_sym_t
else:
print("Unsupported assignment value type")
continue
local_sym_tab[var_name] = var
local_sym_tab[var_name] = (var, ir_type)
return local_sym_tab