2022-12-29 Loading failed: Expec

https://dart.cn/tools/dartaotruntime

1,
/Volumes/xx/myshared/opt/fvm/versions/3.0.5/bin/cache/dart-sdk/bin/dartaotruntime bin/unpub.dart

报错

Loading failed: Expected little-endian ELF object.
VM initialization failed: Invalid vm isolate snapshot seen

2,

 dart compile aot-snapshot bin/unpub.dart 

结果：

Info: Compiling with sound null safety
Generated: /Users/xx/Desktop/unpub-2.1.0/bin/unpub.aot

3, pub global activate snapshot文件怎么产生的