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Introduce MapSymbol to propagate map type info in map_sym_tab

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Pragyansh Chaturvedi
2025-11-12 13:16:23 +05:30
parent 209df33c8f
commit cbddc0aa96
4 changed files with 24 additions and 10 deletions
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10
pythonbpf/helper/bpf_helper_handler.py
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@ -12,11 +12,9 @@ from .helper_utils import (
get_int_value_from_arg,
)
from .printk_formatter import simple_string_print, handle_fstring_print
from logging import Logger
import logging
logger: Logger = logging.getLogger(__name__)
logger = logging.getLogger(__name__)
class BPFHelperID(Enum):
@ -377,6 +375,10 @@ def bpf_perf_event_output_handler(
struct_sym_tab=None,
map_sym_tab=None,
):
"""
Emit LLVM IR for bpf_perf_event_output helper function call.
"""
if len(call.args) != 1:
raise ValueError(
f"Perf event output expects exactly one argument, got {len(call.args)}"
@ -904,6 +906,6 @@ def handle_helper_call(
if not map_sym_tab or map_name not in map_sym_tab:
raise ValueError(f"Map '{map_name}' not found in symbol table")
return invoke_helper(method_name, map_sym_tab[map_name])
return invoke_helper(method_name, map_sym_tab[map_name].sym)
return None