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fix: missing function info for MachO .o files #157

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merged 1 commit into from
Oct 20, 2025
Merged

fix: missing function info for MachO .o files #157

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12 changes: 12 additions & 0 deletions blint/lib/binary.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1648,6 +1648,18 @@ def add_mach0_functions(metadata, parsed_obj):
metadata["ctor_functions"] = parse_functions(parsed_obj.ctor_functions)
metadata["unwind_functions"] = parse_functions(parsed_obj.unwind_functions)
metadata["symtab_symbols"], exe_type = parse_macho_symbols(parsed_obj.symbols)

# Populate function info based on local symbols for .o files or others where parsed_obj.functions is empty.
if not metadata["functions"]:
metadata["functions"] = [
{
"idx": idx,
"name": symbol["name"],
"address": symbol["address"]
}
for idx, symbol in enumerate(s for s in metadata["symtab_symbols"] if s["category"] == lief.MachO.Symbol.CATEGORY.LOCAL)
]

if exe_type:
metadata["exe_type"] = exe_type
if parsed_obj.dylinker:
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