mirror of
https://github.com/ddnet/ddnet.git
synced 2024-11-17 21:48:19 +00:00
75 lines
2.2 KiB
Python
75 lines
2.2 KiB
Python
#!/usr/bin/env python3
|
|
import argparse
|
|
import os
|
|
import re
|
|
import subprocess
|
|
import tempfile
|
|
|
|
os.chdir(os.path.dirname(__file__) + "/..")
|
|
PATH = "src/"
|
|
|
|
|
|
CURL_RE=re.compile(r"\bcurl_\w*")
|
|
|
|
def get_curl_calls(path):
|
|
names = set()
|
|
for directory, _, files in os.walk(path):
|
|
for filename in files:
|
|
if (filename.endswith(".cpp") or
|
|
filename.endswith(".c") or
|
|
filename.endswith(".h")):
|
|
with open(os.path.join(directory, filename), encoding="utf-8") as f:
|
|
contents = f.read()
|
|
names = names.union(CURL_RE.findall(contents))
|
|
return names
|
|
|
|
def assembly_source(names):
|
|
names = sorted(names)
|
|
result = []
|
|
for name in names:
|
|
result.append(f".type {name},@function")
|
|
for name in names:
|
|
result.append(f".global {name}")
|
|
for name in names:
|
|
result.append(f"{name}:")
|
|
return "\n".join(result + [""])
|
|
|
|
DEFAULT_OUTPUT="libcurl.so"
|
|
DEFAULT_SONAME="libcurl.so.4"
|
|
|
|
def main():
|
|
p = argparse.ArgumentParser(description="Create a stub shared object for linking")
|
|
p.add_argument("-k", "--keep", action="store_true", help="Keep the intermediary assembly file")
|
|
p.add_argument("--output", help=f"Output filename (default: {DEFAULT_OUTPUT})", default=DEFAULT_OUTPUT)
|
|
p.add_argument("--soname", help=f"soname of the produced shared object (default: {DEFAULT_SONAME})", default=DEFAULT_SONAME)
|
|
p.add_argument("--functions", metavar="FUNCTION", nargs="+", help="Function symbols that should be put into the shared object (default: look for curl_* names in the source code)")
|
|
p.add_argument("--link-args", help="Colon-separated list of additional linking arguments")
|
|
args = p.parse_args()
|
|
|
|
if args.functions is not None:
|
|
functions = args.functions
|
|
else:
|
|
functions = get_curl_calls(PATH)
|
|
extra_link_args = []
|
|
if args.link_args:
|
|
extra_link_args = args.link_args.split(":")
|
|
|
|
with tempfile.NamedTemporaryFile("w", suffix=".s", delete=not args.keep) as f:
|
|
if args.keep:
|
|
print(f"using {f.name} as temporary file")
|
|
f.write(assembly_source(functions))
|
|
f.flush()
|
|
subprocess.check_call([
|
|
"cc",
|
|
] + extra_link_args + [
|
|
"-shared",
|
|
"-nostdlib", # don't need to link to libc
|
|
f"-Wl,-soname,{args.soname}",
|
|
"-o", args.output,
|
|
f.name,
|
|
])
|
|
subprocess.check_call(["strip", args.output])
|
|
|
|
if __name__ == '__main__':
|
|
main()
|