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UnicronNLandClaude Opus 5.5
4f042f7225
Interpreter + JIT for ARM, Thumb-2, VFPv4 and NEON, ARM EABI syscall translation, signals, threads and self-modifying code. Runs static bionic programs on the Frame. Tests: A64 encoders vs llvm-mc, a differential instruction fuzzer and program tests against qemu-arm. Not shipped; the README lists the steps towards running 32-bit-only APKs. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
46 lines
2.0 KiB
Python
46 lines
2.0 KiB
Python
#!/usr/bin/env python3
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"""Builds a32run (the AArch32 -> AArch64 translator) with the NDK's clang as a static AArch64 executable.
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python native/a32translator/build.py [--debug] [--ndk PATH] [--out DIR]
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The NDK comes from native/.cache (python native/build.py downloads it). The binary is static bionic, linked at a
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high image base so the guest's low 4 GiB stay free; it runs on any AArch64 Linux (SteamOS, Android) or under
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qemu-aarch64.
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"""
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import argparse
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import subprocess
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import sys
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from pathlib import Path
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HERE = Path(__file__).resolve().parent
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NDK_DEFAULT = HERE.parent / ".cache" / "ndk-27.2.12479018"
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SOURCES = ["main.c", "dispatch.c", "mem.c", "loader.c", "syscall.c", "signals.c", "threads.c", "interp.c",
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"interp_vfp.c", "interp_neon.c", "a32_decode.c", "t32_decode.c", "vfp_neon_decode.c", "jit.c",
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"jit_vfp.c", "jit_glue.S"]
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def main():
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ap = argparse.ArgumentParser()
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ap.add_argument("--debug", action="store_true")
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ap.add_argument("--ndk", default=str(NDK_DEFAULT))
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ap.add_argument("--out", default=str(HERE / "out"))
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a = ap.parse_args()
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cc = Path(a.ndk) / "toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android29-clang"
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if not cc.exists():
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sys.exit(f"{cc} not found (run python native/build.py once to fetch the NDK)")
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out = Path(a.out)
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out.mkdir(parents=True, exist_ok=True)
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srcs = [HERE / "src" / s for s in SOURCES if (HERE / "src" / s).exists()]
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flags = ["-std=gnu11", "-Wall", "-Wextra", "-Wno-unused-parameter", "-Wno-missing-field-initializers",
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"-march=armv8-a+crypto", f"-ffile-prefix-map={HERE}=a32translator", "-fno-strict-aliasing"]
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flags += ["-O0", "-g"] if a.debug else ["-O2", "-g"]
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cmd = [str(cc), *flags, *map(str, srcs), "-static", "-Wl,--image-base=0x7000000000", "-lm",
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"-o", str(out / "a32run")]
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print(" ".join(cmd[:1] + ["..."] + cmd[-2:]))
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r = subprocess.run(cmd)
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sys.exit(r.returncode)
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if __name__ == "__main__":
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main()
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