Release Vulpes OS 2.7-preview.22

tundra/tools/build-beatles-hal-inventory.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: MPL-2.0
+"""Build the read-only sensor HAL probe using private Nokia ABI libraries.
+
+No flashing or device execution. Run the resulting library in a separate
+Android /system/bin/true process with LD_PRELOAD, never in Gecko itself.
+The constructor enumerates sensors without activating them and exits.
+"""
+import argparse,hashlib,json,subprocess
+from pathlib import Path
+
+ROOT=Path(__file__).resolve().parents[2]
+
+def sha(path):return hashlib.sha256(path.read_bytes()).hexdigest()
+
+def main():
+    parser=argparse.ArgumentParser(description=__doc__)
+    parser.add_argument('--libraries',type=Path,required=True,help='Private directory containing libc.so and libdl.so pulled from this Nokia')
+    parser.add_argument('--output',type=Path,required=True)
+    args=parser.parse_args();source=ROOT/'tundra/probes/beatles-hal-inventory.c'
+    libraries=[args.libraries/name for name in ('libc.so','libdl.so')]
+    for path in libraries:
+        data=path.read_bytes()
+        if data[:6]!=b'\x7fELF\x01\x01' or data[18:20]!=b'\x28\x00':raise ValueError('Requires ARM32 Nokia libraries')
+    args.output.parent.mkdir(exist_ok=True,parents=True)
+    command=['clang','--target=armv7-linux-androideabi','-march=armv7-a','-mfloat-abi=softfp',
+        '-fuse-ld=lld','-shared','-fPIC','-nostdlib','-O2','-Wall','-Wextra','-Werror',
+        '-Wl,--no-undefined','-Wl,-soname,libvulpes-hal-inventory.so',str(source),
+        *map(str,libraries),'-o',str(args.output)]
+    subprocess.run(command,check=True)
+    args.output.with_suffix('.build.json').write_text(json.dumps({'device':'beatles','abi':'Android 6 ARM32',
+        'operation':'sensor enumeration only; no activation','sourceSha256':sha(source),
+        'sha256':sha(args.output),'privateLibraries':{p.name:sha(p) for p in libraries},
+        'command':command},indent=2)+'\n')
+    print(args.output)
+
+if __name__=='__main__':main()