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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
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from __future__ import generators
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import sys, os
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def read_symbols(file, type=None, dynamic=0):
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if dynamic:
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cmd = 'nm -D %s' % file
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else:
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cmd = 'nm %s' % file
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for line in os.popen(cmd, 'r'):
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if line[0] != ' ': # has an address as first bit of line
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while line[0] != ' ':
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line = line[1:]
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while line[0] == ' ':
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line = line[1:]
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# we should be up to "type symbolname" now
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sym_type = line[0]
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symbol = line[1:].strip()
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if not type or type == sym_type:
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yield symbol
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def main():
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if len(sys.argv) != 3:
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sys.stderr.write('usage: coverage-check library.so wrapper.so\n')
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sys.exit(1)
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library = sys.argv[1]
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wrapper = sys.argv[2]
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# first create a dict with all referenced symbols in the wrapper
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# should really be a set, but a dict will do ...
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wrapper_symbols = {}
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for symbol in read_symbols(wrapper, type='U', dynamic=1):
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wrapper_symbols[symbol] = 1
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# now go through the library looking for matches on the defined symbols:
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for symbol in read_symbols(library, type='T', dynamic=1):
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if symbol[0] == '_': continue
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if symbol not in wrapper_symbols:
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print symbol
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if __name__ == '__main__':
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main()
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