1 files changed, 42 insertions, 0 deletions
diff --git a/codegen/code-coverage.py b/codegen/code-coverage.py
new file mode 100755
index 0000000..fd15034
--- /dev/null
+++ b/codegen/code-coverage.py
@@ -0,0 +1,42 @@
+from __future__ import generators
+import sys, os
+
+def read_symbols(file, type=None, dynamic=0):
+    if dynamic:
+        cmd = 'nm -D %s' % file
+    else:
+        cmd = 'nm %s' % file
+    for line in os.popen(cmd, 'r'):
+        if line[0] != ' ':  # has an address as first bit of line
+            while line[0] != ' ':
+                line = line[1:]
+        while line[0] == ' ':
+            line = line[1:]
+        # we should be up to "type symbolname" now
+        sym_type = line[0]
+        symbol = line[1:].strip()
+
+        if not type or type == sym_type:
+            yield symbol
+
+def main():
+    if len(sys.argv) != 3:
+        sys.stderr.write('usage: coverage-check library.so wrapper.so\n')
+        sys.exit(1)
+    library = sys.argv[1]
+    wrapper = sys.argv[2]
+
+    # first create a dict with all referenced symbols in the wrapper
+    # should really be a set, but a dict will do ...
+    wrapper_symbols = {}
+    for symbol in read_symbols(wrapper, type='U', dynamic=1):
+        wrapper_symbols[symbol] = 1
+
+    # now go through the library looking for matches on the defined symbols:
+    for symbol in read_symbols(library, type='T', dynamic=1):
+        if symbol[0] == '_': continue
+        if symbol not in wrapper_symbols:
+            print symbol
+
+if __name__ == '__main__':
+    main()