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debug info versioning

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varun-r-mallya
2025-09-08 23:48:04 +05:30
parent e218e48162
commit 5ce4474fa7
1 changed files with 13 additions and 0 deletions
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pythonbpf/codegen.py
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@ -52,8 +52,21 @@ def compile_to_ir(filename: str, output: str):
frame_pointer = module.add_metadata([ir.Constant(ir.IntType(32), 7),
"frame-pointer",
ir.Constant(ir.IntType(32), 2)])
# Add Debug Info Version (3 = DWARF v3, which LLVM expects)
debug_info_version = module.add_metadata([ir.Constant(ir.IntType(32), 2),
"Debug Info Version",
ir.Constant(ir.IntType(32), 3)])
# Add explicit DWARF version (4 is common, works with LLVM BPF backend)
dwarf_version = module.add_metadata([ir.Constant(ir.IntType(32), 2),
"Dwarf Version",
ir.Constant(ir.IntType(32), 4)])
module.add_named_metadata("llvm.module.flags", wchar_size)
module.add_named_metadata("llvm.module.flags", frame_pointer)
module.add_named_metadata("llvm.module.flags", debug_info_version)
module.add_named_metadata("llvm.module.flags", dwarf_version)
module.add_named_metadata("llvm.ident", ["llvmlite PythonBPF v0.0.0"])
with open(output, "w") as f: