qemu-e2k/scripts/modinfo-generate.py
Jose R. Ziviani af19eecf84 modules: check if all dependencies can be satisfied
Verifies if all dependencies are correctly listed in the modinfo.c too
and stop the builds if they're not.

Signed-off-by: Jose R. Ziviani <jziviani@suse.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Jose R. Ziviani <jziviani@suse.de>
Message-Id: <20210624103836.2382472-5-kraxel@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09 18:20:27 +02:00

98 lines
2.4 KiB
Python
Executable File

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import os
import sys
def print_array(name, values):
if len(values) == 0:
return
list = ", ".join(values)
print(" .%s = ((const char*[]){ %s, NULL })," % (name, list))
def parse_line(line):
kind = ""
data = ""
get_kind = False
get_data = False
for item in line.split():
if item == "MODINFO_START":
get_kind = True
continue
if item.startswith("MODINFO_END"):
get_data = False
continue
if get_kind:
kind = item
get_kind = False
get_data = True
continue
if get_data:
data += " " + item
continue
return (kind, data)
def generate(name, lines):
arch = ""
objs = []
deps = []
opts = []
for line in lines:
if line.find("MODINFO_START") != -1:
(kind, data) = parse_line(line)
if kind == 'obj':
objs.append(data)
elif kind == 'dep':
deps.append(data)
elif kind == 'opts':
opts.append(data)
elif kind == 'arch':
arch = data;
else:
print("unknown:", kind)
exit(1)
print(" .name = \"%s\"," % name)
if arch != "":
print(" .arch = %s," % arch)
print_array("objs", objs)
print_array("deps", deps)
print_array("opts", opts)
print("},{");
return deps
def print_pre():
print("/* generated by scripts/modinfo-generate.py */")
print("#include \"qemu/osdep.h\"")
print("#include \"qemu/module.h\"")
print("const QemuModinfo qemu_modinfo[] = {{")
def print_post():
print(" /* end of list */")
print("}};")
def main(args):
deps = {}
print_pre()
for modinfo in args:
with open(modinfo) as f:
lines = f.readlines()
print(" /* %s */" % modinfo)
(basename, ext) = os.path.splitext(modinfo)
deps[basename] = generate(basename, lines)
print_post()
flattened_deps = {flat.strip('" ') for dep in deps.values() for flat in dep}
error = False
for dep in flattened_deps:
if dep not in deps.keys():
print("Dependency {} cannot be satisfied".format(dep),
file=sys.stderr)
error = True
if error:
exit(1)
if __name__ == "__main__":
main(sys.argv[1:])