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#!/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"
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