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