+def to_cmdfile(path):
+ """Return the path of .cmd file used for the given build artifact
+
+ Args:
+ Path: file path
+
+ Returns:
+ The path to .cmd file
+ """
+ dir, base = os.path.split(path)
+ return os.path.join(dir, '.' + base + '.cmd')
+
+
+def cmdfiles_for_o(obj):
+ """Generate the iterator of .cmd files associated with the object
+
+ Yield the .cmd file used to build the given object
+
+ Args:
+ obj: The object path
+
+ Yields:
+ The path to .cmd file
+ """
+ yield to_cmdfile(obj)
+
+
+def cmdfiles_for_a(archive, ar):
+ """Generate the iterator of .cmd files associated with the archive.
+
+ Parse the given archive, and yield every .cmd file used to build it.
+
+ Args:
+ archive: The archive to parse
+
+ Yields:
+ The path to every .cmd file found
+ """
+ for obj in subprocess.check_output([ar, '-t', archive]).decode().split():
+ yield to_cmdfile(obj)
+
+
+def cmdfiles_for_modorder(modorder):
+ """Generate the iterator of .cmd files associated with the modules.order.
+
+ Parse the given modules.order, and yield every .cmd file used to build the
+ contained modules.
+
+ Args:
+ modorder: The modules.order file to parse
+
+ Yields:
+ The path to every .cmd file found
+ """
+ with open(modorder) as f:
+ for line in f:
+ ko = line.rstrip()
+ base, ext = os.path.splitext(ko)
+ if ext != '.ko':
+ sys.exit('{}: module path must end with .ko'.format(ko))
+ mod = base + '.mod'
+ # The first line of *.mod lists the objects that compose the module.
+ with open(mod) as m:
+ for obj in m.readline().split():
+ yield to_cmdfile(obj)
+
+