varun-r-mallya/python-bpf
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change debug_compile_unit addition location

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varun-r-mallya
2025-09-09 13:15:31 +05:30
parent 12bca3cfab
commit 896daddf0b
2 changed files with 22 additions and 23 deletions
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21
pythonbpf/codegen.py
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@ -4,6 +4,7 @@ from .license_pass import license_processing
from .functions_pass import func_proc from .functions_pass import func_proc
from .maps_pass import maps_proc from .maps_pass import maps_proc
from .globals_pass import globals_processing from .globals_pass import globals_processing
import os
def find_bpf_chunks(tree): def find_bpf_chunks(tree):
@ -41,7 +42,27 @@ def compile_to_ir(filename: str, output: str):
module.data_layout = "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128" module.data_layout = "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128"
module.triple = "bpf" module.triple = "bpf"
if not hasattr(module, '_debug_compile_unit'):
module._file_metadata = module.add_debug_info("DIFile", { # type: ignore
"filename": filename,
"directory": os.path.dirname(filename)
})
module._debug_compile_unit = module.add_debug_info("DICompileUnit", { # type: ignore
"language": 29, # DW_LANG_C11
"file": module._file_metadata, # type: ignore
"producer": "PythonBPF DSL Compiler",
"isOptimized": True,
"runtimeVersion": 0,
"emissionKind": 1,
"splitDebugInlining": False,
"nameTableKind": 0
}, is_distinct=True)
module.add_named_metadata("llvm.dbg.cu", module._debug_compile_unit) # type: ignore
processor(source, filename, module) processor(source, filename, module)
wchar_size = module.add_metadata([ir.Constant(ir.IntType(32), 1), wchar_size = module.add_metadata([ir.Constant(ir.IntType(32), 1),
"wchar_size", "wchar_size",
ir.Constant(ir.IntType(32), 4)]) ir.Constant(ir.IntType(32), 4)])

24
pythonbpf/maps_pass.py
View File

@ -48,29 +48,7 @@ def create_bpf_map(module, map_name, map_params):
def create_map_debug_info(module, map_global, map_name, map_params): def create_map_debug_info(module, map_global, map_name, map_params):
"""Generate debug information metadata for BPF map""" """Generate debug information metadata for BPF map"""
file_metadata = module file_metadata = module._file_metadata
# Get or create compile unit (you may already have this)
if not hasattr(module, '_debug_compile_unit'):
# Create file metadata
file_metadata = module.add_debug_info("DIFile", {
"filename": "generated.bpf.c", # Adjust as needed
"directory": "/generated", # Adjust as needed
})
# Create compile unit
module._debug_compile_unit = module.add_debug_info("DICompileUnit", {
"language": 12, # DW_LANG_C11
"file": file_metadata,
"producer": "PythonBPF DSL Compiler",
"isOptimized": True,
"runtimeVersion": 0,
"emissionKind": 1,
"splitDebugInlining": False,
"nameTableKind": 0
}, is_distinct=True)
module.add_named_metadata("llvm.dbg.cu", module._debug_compile_unit)
compile_unit = module._debug_compile_unit compile_unit = module._debug_compile_unit
# Create basic type for unsigned int (32-bit) # Create basic type for unsigned int (32-bit)