From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- tools/profiler/nm-symbolicate.py | 48 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100755 tools/profiler/nm-symbolicate.py (limited to 'tools/profiler/nm-symbolicate.py') diff --git a/tools/profiler/nm-symbolicate.py b/tools/profiler/nm-symbolicate.py new file mode 100755 index 000000000..f51d7f75f --- /dev/null +++ b/tools/profiler/nm-symbolicate.py @@ -0,0 +1,48 @@ +#!/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 > merged.sym" + + -- cgit v1.2.3