mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-05 08:35:26 +00:00
49 lines
1.4 KiB
Python
Executable File
49 lines
1.4 KiB
Python
Executable File
#!/usr/bin/env python
|
|
|
|
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
import sys, subprocess, os
|
|
|
|
def NMSymbolicate(library, addresses):
|
|
target_tools_prefix = os.environ.get("TARGET_TOOLS_PREFIX", "")
|
|
args = [
|
|
target_tools_prefix + "nm", "-D", "-S", library
|
|
]
|
|
nm_lines = subprocess.check_output(args).split("\n")
|
|
symbol_table = []
|
|
for line in nm_lines:
|
|
pieces = line.split(" ", 4)
|
|
if len(pieces) != 4 or pieces[2] != "T":
|
|
continue
|
|
start = int(pieces[0], 16)
|
|
end = int(pieces[1], 16)
|
|
symbol = pieces[3]
|
|
symbol_table.append({
|
|
"start": int(pieces[0], 16),
|
|
"end": int(pieces[0], 16) + int(pieces[1], 16),
|
|
"funcName": pieces[3]
|
|
});
|
|
|
|
for addressStr in addresses:
|
|
address = int(addressStr, 16)
|
|
symbolForAddress = None
|
|
for symbol in symbol_table:
|
|
if address >= symbol["start"] and address <= symbol["end"]:
|
|
symbolForAddress = symbol
|
|
break
|
|
if symbolForAddress:
|
|
print symbolForAddress["funcName"]
|
|
else:
|
|
print "??" # match addr2line
|
|
print ":0" # no line information from nm
|
|
|
|
if len(sys.argv) > 1:
|
|
NMSymbolicate(sys.argv[1], sys.argv[2:])
|
|
sys.exit(0)
|
|
|
|
print "Usage: nm-symbolicate.py <library> <addresses> > merged.sym"
|
|
|
|
|