Merge "extract_kernel.py: add support to output compiler information" (b83c9d04) · Commits · e / os / android_build

tools/extract_kernel.py

+20 −1

Original line number	Diff line number	Diff line
		@@ -40,7 +40,7 @@ COMPRESSION_ALGO = (
		# LINUX_COMPILE_HOST ") (" LINUX_COMPILER ") " UTS_VERSION "\n";
		LINUX_BANNER_PREFIX = b'Linux version '
		LINUX_BANNER_REGEX = LINUX_BANNER_PREFIX + \
		r'(?P<release>(?P<version>[0-9]+[.][0-9]+[.][0-9]+).) \(.@.\) \(.\) .*\n'
		r'(?P<release>(?P<version>[0-9]+[.][0-9]+[.][0-9]+).) \(.@.\) \((?P<compiler>.)\) .*\n'


		def get_from_release(input_bytes, start_idx, key):
		@@ -82,6 +82,14 @@ def dump_version(input_bytes):
		return dump_from_release(input_bytes, "version")


		def dump_compiler(input_bytes):
		"""
		Dump kernel version, w.x.y, from input_bytes. Search for the string
		"Linux version " and do pattern matching after it. See LINUX_BANNER_REGEX.
		"""
		return dump_from_release(input_bytes, "compiler")


		def dump_release(input_bytes):
		"""
		Dump kernel release, w.x.y-..., from input_bytes. Search for the string
		@@ -208,6 +216,13 @@ def main():
		nargs='?',
		type=argparse.FileType('wb'),
		const=sys.stdout)
		parser.add_argument('--output-compiler',
		help='If specified, write the compiler information. Use stdout if no file '
		'is specified.',
		metavar='FILE',
		nargs='?',
		type=argparse.FileType('wb'),
		const=sys.stdout)
		parser.add_argument('--tools',
		help='Decompression tools to use. If not specified, PATH '
		'is searched.',
		@@ -234,6 +249,10 @@ def main():
		"kernel release in {}".format(args.input.name)):
		ret = 1

		if not dump_to_file(args.output_compiler, dump_compiler, input_bytes,
		"kernel compiler in {}".format(args.input.name)):
		ret = 1

		return ret