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add bool assignment support

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varun-r-mallya
2025-09-10 11:40:07 +05:30
parent ebb872fc81
commit f830fbe8ba
2 changed files with 21 additions and 3 deletions
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6
examples/execve3.py
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@ -30,8 +30,12 @@ def hello_again(ctx: c_void_p) -> c_int64:
# if delta < 1000000000: # if delta < 1000000000:
# print("execve called within last second") # print("execve called within last second")
# last().delete(key) # last().delete(key)
if True: x = False
x = True
if x:
print("we prevailed") print("we prevailed")
if x:
print("we did not prevail")
ts = ktime() ts = ktime()
# last().update(key, ts) # last().update(key, ts)
return c_int64(0) return c_int64(0)

18
pythonbpf/functions_pass.py
View File

@ -37,7 +37,15 @@ def handle_assign(func, module, builder, stmt, map_sym_tab, local_sym_tab):
var_name = target.id var_name = target.id
rval = stmt.value rval = stmt.value
if isinstance(rval, ast.Constant): if isinstance(rval, ast.Constant):
if isinstance(rval.value, int): if isinstance(rval.value, bool):
if rval.value:
builder.store(ir.Constant(ir.IntType(1), 1),
local_sym_tab[var_name])
else:
builder.store(ir.Constant(ir.IntType(1), 0),
local_sym_tab[var_name])
print(f"Assigned constant {rval.value} to {var_name}")
elif isinstance(rval.value, int):
# Assume c_int64 for now # Assume c_int64 for now
# var = builder.alloca(ir.IntType(64), name=var_name) # var = builder.alloca(ir.IntType(64), name=var_name)
# var.align = 8 # var.align = 8
@ -232,7 +240,13 @@ def process_func_body(module, builder, func_node, func, ret_type, map_sym_tab):
print("Unsupported assignment call function type") print("Unsupported assignment call function type")
continue continue
elif isinstance(rval, ast.Constant): elif isinstance(rval, ast.Constant):
if isinstance(rval.value, int): if isinstance(rval.value, bool):
ir_type = ir.IntType(1)
var = builder.alloca(ir_type, name=var_name)
var.align = 1
print(
f"Pre-allocated variable {var_name} of type c_bool")
elif isinstance(rval.value, int):
# Assume c_int64 for now # Assume c_int64 for now
ir_type = ir.IntType(64) ir_type = ir.IntType(64)
var = builder.alloca(ir_type, name=var_name) var = builder.alloca(ir_type, name=var_name)