fix(hacks): add tflitefix to prevent SIGSEGV crash in games using TensorFlow Lite under ARM translation

2026-08-14 05:15:10 -04:00
parent d5289cfd89
commit 046383d14f
2 changed files with 86 additions and 3 deletions
@@ -0,0 +1,78 @@
+import glob
+import os
+import shutil
+from stuff.general import General
+from tools.logger import Logger
+
+
+class TfliteFix(General):
+    id = "tflitefix"
+    partition = "system"
+    TARGET_OFFSET = 0x2E9204
+    PATCH_BYTES = b"\xc0\x03\x5f\xd6"  # ret in AArch64 little-endian
+
+    def __init__(self, android_version="13") -> None:
+        super().__init__()
+
+    def download(self):
+        pass
+
+    @property
+    def skip_extract(self):
+        return True
+
+    def copy(self):
+        pass
+
+    def extra1(self):
+        """Applies binary patch to libtensorflowlite.so in installed apps"""
+        search_paths = [
+            os.path.expanduser("~/.local/share/waydroid/data/app/~~*==/*/lib/arm64/libtensorflowlite.so"),
+            "/var/lib/waydroid/data/app/~~*==/*/lib/arm64/libtensorflowlite.so",
+        ]
+        found = []
+        for p in search_paths:
+            found.extend(glob.glob(p))
+
+        if not found:
+            Logger.warning("No installed apps with libtensorflowlite.so found in Waydroid data.")
+            return
+
+        for lib_path in found:
+            try:
+                with open(lib_path, "rb") as f:
+                    data = bytearray(f.read())
+
+                if len(data) > self.TARGET_OFFSET + 4:
+                    if bytes(data[self.TARGET_OFFSET:self.TARGET_OFFSET+4]) == self.PATCH_BYTES:
+                        Logger.info(f"Patch already applied to {lib_path}")
+                        continue
+
+                    backup = lib_path + ".orig"
+                    if not os.path.exists(backup):
+                        shutil.copy2(lib_path, backup)
+
+                    data[self.TARGET_OFFSET:self.TARGET_OFFSET+4] = self.PATCH_BYTES
+                    with open(lib_path, "wb") as f:
+                        f.write(data)
+                    os.chmod(lib_path, 0o755)
+                    Logger.info(f"Successfully patched {lib_path}")
+            except Exception as e:
+                Logger.error(f"Failed to patch {lib_path}: {e}")
+
+    def extra2(self):
+        """Restores original libtensorflowlite.so from backup"""
+        search_paths = [
+            os.path.expanduser("~/.local/share/waydroid/data/app/~~*==/*/lib/arm64/libtensorflowlite.so.orig"),
+            "/var/lib/waydroid/data/app/~~*==/*/lib/arm64/libtensorflowlite.so.orig",
+        ]
+        for p in search_paths:
+            for orig in glob.glob(p):
+                target = orig[:-5]
+                try:
+                    shutil.copy2(orig, target)
+                    os.remove(orig)
+                    os.chmod(target, 0o755)
+                    Logger.info(f"Restored {target}")
+                except Exception as e:
+                    Logger.error(f"Failed to restore {target}: {e}")