v86/tools/rust-lld-wrapper

49 lines
1.2 KiB
Python
Executable file

#!/usr/bin/env python3
# A wrapper for rust-lld that removes certain arguments inserted by rustc that
# we'd like to override
import sys
import subprocess
from os import path
def main():
args = sys.argv[1:]
strip_debug = "--v86-strip-debug" in args
# filter out args inserted by rustc
TO_REMOVE = {
"--export-table",
"--stack-first",
"--strip-debug",
"--v86-strip-debug",
}
args = list(filter(lambda arg: arg not in TO_REMOVE, args))
if strip_debug:
args += ["--strip-debug"]
lld = find_rust_lld()
result = subprocess.run([lld] + args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
result.check_returncode()
print(result.stderr, file=sys.stderr)
print(result.stdout)
def find_rust_lld():
which = subprocess.run(["rustup", "which", "rustc"], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
which.check_returncode()
rustc_path = which.stdout.decode("utf8").strip()
assert path.basename(rustc_path) == "rustc"
bin_path = path.dirname(rustc_path)
rust_lld_path = path.join(bin_path, "../lib/rustlib/x86_64-unknown-linux-gnu/bin/rust-lld")
assert path.isfile(rust_lld_path)
return rust_lld_path
main()