sm64/tools/asm-processor/build.py
2023-08-17 08:56:02 -04:00

115 lines
3.2 KiB
Python

#!/usr/bin/env python3
import sys
from pathlib import Path
import shlex
import subprocess
import tempfile
import uuid
import asm_processor
# Boolean for debugging purposes
# Preprocessed files are temporary, set to True to keep a copy
keep_preprocessed_files = False
dir_path = Path(__file__).resolve().parent
asm_prelude_path = dir_path / "prelude.inc"
all_args = sys.argv[1:]
sep0 = next(index for index, arg in enumerate(all_args) if not arg.startswith("-"))
sep1 = all_args.index("--")
sep2 = all_args.index("--", sep1 + 1)
asmproc_flags = all_args[:sep0]
compiler = all_args[sep0:sep1]
assembler_args = all_args[sep1 + 1 : sep2]
assembler_sh = " ".join(shlex.quote(x) for x in assembler_args)
compile_args = all_args[sep2 + 1 :]
in_file = Path(compile_args[-1])
del compile_args[-1]
out_ind = compile_args.index("-o")
out_file = Path(compile_args[out_ind + 1])
del compile_args[out_ind + 1]
del compile_args[out_ind]
in_dir = in_file.resolve().parent
opt_flags = [
x for x in compile_args if x in {"-g3", "-g", "-O0", "-O1", "-O2", "-framepointer", "-KPIC"}
]
if "-mips2" not in compile_args:
opt_flags.append("-mips1")
asmproc_flags += opt_flags + [str(in_file)]
# Drop .mdebug and .gptab sections from resulting binaries. This makes
# resulting .o files much smaller and speeds up builds, but loses line
# number debug data.
# asmproc_flags += ["--drop-mdebug-gptab"]
# Convert encoding before compiling.
# asmproc_flags += ["--input-enc", "utf-8", "--output-enc", "euc-jp"]
with tempfile.TemporaryDirectory(prefix="asm_processor") as tmpdirname:
tmpdir_path = Path(tmpdirname)
preprocessed_filename = "preprocessed_" + uuid.uuid4().hex + in_file.suffix
preprocessed_path = tmpdir_path / preprocessed_filename
with preprocessed_path.open("wb") as f:
functions, deps = asm_processor.run(asmproc_flags, outfile=f)
if keep_preprocessed_files:
import shutil
keep_output_dir = Path("./asm_processor_preprocessed")
keep_output_dir.mkdir(parents=True, exist_ok=True)
shutil.copy(
preprocessed_path,
keep_output_dir / (in_file.stem + "_" + preprocessed_filename),
)
compile_cmdline = (
compiler
+ compile_args
+ ["-I", str(in_dir), "-o", str(out_file), str(preprocessed_path)]
)
try:
subprocess.check_call(compile_cmdline)
except subprocess.CalledProcessError as e:
print("Failed to compile file " + str(in_file) + ". Command line:")
print()
print(" ".join(shlex.quote(x) for x in compile_cmdline))
print()
sys.exit(55)
asm_processor.run(
asmproc_flags
+ [
"--post-process",
str(out_file),
"--assembler",
assembler_sh,
"--asm-prelude",
str(asm_prelude_path),
],
functions=functions,
)
deps_file = out_file.with_suffix(".asmproc.d")
if deps:
with deps_file.open("w") as f:
f.write(str(out_file) + ": " + " \\\n ".join(deps) + "\n")
for dep in deps:
f.write("\n" + dep + ":\n")
else:
try:
deps_file.unlink()
except OSError:
pass