#!/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"