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Add IR and debug info generation for multiple MAP types

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This commit is contained in:
Pragyansh Chaturvedi
2025-09-20 02:53:49 +05:30
parent 67fc3f9562
commit 4fd8bee8e7
1 changed files with 11 additions and 1 deletions
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12
pythonbpf/maps_pass.py
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@ -21,9 +21,18 @@ def maps_proc(tree, module, chunks):
return map_sym_tab return map_sym_tab
BPF_MAP_MAPPINGS = {
"HASH": 1, # BPF_MAP_TYPE_HASH
"PERF_EVENT_ARRAY": 4, # BPF_MAP_TYPE_PERF_EVENT_ARRAY
}
def create_bpf_map(module, map_name, map_params): def create_bpf_map(module, map_name, map_params):
"""Create a BPF map in the module with the given parameters and debug info""" """Create a BPF map in the module with the given parameters and debug info"""
map_type_str = map_params.get("map_type", "HASH")
map_type = BPF_MAP_MAPPINGS.get(map_type_str)
# Create the anonymous struct type for BPF map # Create the anonymous struct type for BPF map
map_struct_type = ir.LiteralStructType([ map_struct_type = ir.LiteralStructType([
ir.PointerType(), ir.PointerType(),
@ -69,7 +78,8 @@ def create_map_debug_info(module, map_global, map_name, map_params):
}) })
# Create array type for map type field (array of 1 unsigned int) # Create array type for map type field (array of 1 unsigned int)
array_subrange = module.add_debug_info("DISubrange", {"count": 1}) array_subrange = module.add_debug_info(
"DISubrange", {"count": BPF_MAP_MAPPINGS[map_params.get("map_type", "HASH")]})
array_type = module.add_debug_info("DICompositeType", { array_type = module.add_debug_info("DICompositeType", {
"tag": dc.DW_TAG_array_type, "tag": dc.DW_TAG_array_type,
"baseType": uint_type, "baseType": uint_type,