docker run -it -v /home/sjtu-lyj/src/wasm-jit-prototype/workspace:/workspace perspective/emsdk
docker run -it -v /home/sjtu-lyj/src/wasm-jit-prototype/workspace:/workspace wasm-jit-prototype
download hello.c
emcc hello.c
wavm-disas a.out.wasm hello.wast
wavm-run hello.wast