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81 lines
2.1 KiB
Python
81 lines
2.1 KiB
Python
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#!/usr/bin/env python
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#
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# Copyright (C) 2012-2019 Red Hat, Inc.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library. If not, see
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# <http://www.gnu.org/licenses/>.
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from __future__ import print_function
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import re
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import subprocess
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import sys
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if len(sys.argv) < 3:
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print("syntax: %s SYMFILE ELFLIB(S)" % sys.argv[0], file=sys.stderr)
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symfile = sys.argv[1]
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elflibs = sys.argv[2:]
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wantsyms = {}
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gotsyms = {}
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ret = 0
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with open(symfile, "r") as fh:
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for line in fh:
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line = line.strip()
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if line.find("{") != -1:
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continue
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if line.find("}") != -1:
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continue
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if line in ["global:", "local:"]:
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continue
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if line == "":
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continue
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if line[0] == '#':
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continue
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if line.find("*") != -1:
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continue
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line = line.strip(";")
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if line in wantsyms:
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print("Symbol $1 is listed twice", file=sys.stderr)
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ret = 1
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else:
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wantsyms[line] = True
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for elflib in elflibs:
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nm = subprocess.Popen(["nm", elflib], shell=False,
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stdout=subprocess.PIPE).stdout
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for line in nm:
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line = line.decode("utf-8")
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symmatch = re.search(r'''^\S+\s(?:[TBD])\s(\S+)\s*$''', line)
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if symmatch is None:
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continue
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gotsyms[symmatch.group(1)] = True
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for sym in wantsyms.keys():
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if sym in gotsyms:
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continue
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print("Expected symbol '%s' is not in ELF library" % sym, file=sys.stderr)
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ret = 1
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sys.exit(ret)
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