michael/zephyr
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

scripts: footprint: size_report: Close ELF file

Browse Source 
Use the ELFFile context manager to open/close an input file.

Signed-off-by: Pieter De Gendt <pieter.degendt@basalte.be>
This commit is contained in:
Pieter De Gendt
2025-12-09 10:31:54 +01:00
committed by Anas Nashif
parent cafe285810
commit 82845973a6
1 changed files with 43 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

84
scripts/footprint/size_report
View File

@@ -866,56 +866,58 @@ def main():
assert os.path.exists(args.kernel), "{0} does not exist.".format(args.kernel)
targets = args.target
elf = ELFFile(open(args.kernel, "rb"))
assert elf.has_dwarf_info(), "ELF file has no DWARF information"
with ELFFile(open(args.kernel, "rb")) as elf:
assert elf.has_dwarf_info(), "ELF file has no DWARF information"
set_global_machine_arch(elf.get_machine_arch())
addr_ranges = get_section_ranges(elf)
dwarfinfo = elf.get_dwarf_info()
set_global_machine_arch(elf.get_machine_arch())
addr_ranges = get_section_ranges(elf)
dwarfinfo = elf.get_dwarf_info()
symbols = get_symbols(elf, addr_ranges)
for sym in symbols['unassigned'].values():
for sym_entry in sym:
print(f"WARN: Symbol '{sym_entry['name']}' section '{sym_entry['section']}' "
"is not in RAM or ROM.")
symbols = get_symbols(elf, addr_ranges)
for sym in symbols['unassigned'].values():
for sym_entry in sym:
print(f"WARN: Symbol '{sym_entry['name']}' section '{sym_entry['section']}' "
"is not in RAM or ROM.")
for t in targets:
if args.json:
jsonout = args.json.replace('{target}', t)
else:
jsonout = os.path.join(args.output, f'{t}.json')
for t in targets:
if args.json:
jsonout = args.json.replace('{target}', t)
else:
jsonout = os.path.join(args.output, f'{t}.json')
symbol_dict = symbols[t]
symsize = addr_ranges[f'{t}_total_size']
ranges = addr_ranges[t]
symbol_dict = symbols[t]
symsize = addr_ranges[f'{t}_total_size']
ranges = addr_ranges[t]
if symbol_dict is not None:
processed = {"mapped_symbols": set(),
"mapped_addr": set(),
"unmapped_symbols": set(symbol_dict.keys())}
if symbol_dict is not None:
processed = {"mapped_symbols": set(),
"mapped_addr": set(),
"unmapped_symbols": set(symbol_dict.keys())}
do_simple_name_matching(dwarfinfo, symbol_dict, processed)
mark_address_aliases(symbol_dict, processed)
do_address_range_matching(dwarfinfo, symbol_dict, processed)
mark_address_aliases(symbol_dict, processed)
common_path_prefix = find_common_path_prefix(symbol_dict)
set_root_path_for_unmapped_symbols(symbol_dict, ranges, processed)
do_simple_name_matching(dwarfinfo, symbol_dict, processed)
mark_address_aliases(symbol_dict, processed)
do_address_range_matching(dwarfinfo, symbol_dict, processed)
mark_address_aliases(symbol_dict, processed)
common_path_prefix = find_common_path_prefix(symbol_dict)
set_root_path_for_unmapped_symbols(symbol_dict, ranges, processed)
if args.verbose:
for sym in processed['unmapped_symbols']:
print("INFO: Unmapped symbol: {0}".format(sym))
if args.verbose:
for sym in processed['unmapped_symbols']:
print("INFO: Unmapped symbol: {0}".format(sym))
root = generate_any_tree(symbol_dict, symsize, common_path_prefix)
if not args.quiet:
header = f"{t.upper()} Report" if len(targets) > 1 else None
print_any_tree(root, symsize, args.depth, header)
root = generate_any_tree(symbol_dict, symsize, common_path_prefix)
if not args.quiet:
header = f"{t.upper()} Report" if len(targets) > 1 else None
print_any_tree(root, symsize, args.depth, header)
exporter = DictExporter(attriter=lambda attrs: [(k.lstrip('_'), v) for k, v in attrs])
data = dict()
data["symbols"] = exporter.export(root)
data["total_size"] = symsize
with open(jsonout, "w") as fp:
json.dump(data, fp, indent=4)
exporter = DictExporter(
attriter=lambda attrs: [(k.lstrip('_'), v) for k, v in attrs]
)
data = dict()
data["symbols"] = exporter.export(root)
data["total_size"] = symsize
with open(jsonout, "w") as fp:
json.dump(data, fp, indent=4)
if __name__ == "__main__":