xujuntwt95329 wrote:

> > I see, thanks for the clarification. In the patch, the WasmLocal and 
> > WasmGlobal calls are done in ReadRegister, so it seems like those are being 
> > presented as register values? `register read` should show them. BTW, we 
> > shouldn't make a top level `wasm` command, we really try hard not to occupy 
> > more of the "easy to type" parts of the lldb command set than we can help, 
> > so there is lots left free for users to customize. There's a `language 
> > cplusplus` command (and on the swift fork `language swift`, so it would 
> > make sense to have wasm commands be vended as `language wasm`. Then people 
> > who do a lot of WebAssembly debugging can make an alias to wasm if that 
> > helps. Jim
> 
> However, `language` plugins do not seem to work for the Wasm case here. When 
> we are debugging Wasm code, WebAssembly is the architecture and the source 
> language is the whatever was compiled to Wasm, commonly C/C++ or Rust.
> 
> If we implement a `WasmLanguage` plugin we should override virtual methods 
> like `bool IsTopLevelFunction(Function &function)`, `bool 
> IsSourceFile(StringRef &file_path) `GetFormatters()` which do not really 
> apply here.
> 
> But I agree that it is not nice to make a top level `wasm` command, so maybe 
> the best way is to leave everything as it is and to just specify the plugin 
> name at connection time: `process connect --plugin wasm 
> connect://localhost:<PORT>`

Yes, the top level `wasm` command may be useful to WebAssembly users but may 
cause confusion to other users who doesn't use WebAssembly (Just like their 
isn't a top level `arm` command, `wasm` here should be conceptually equivalent 
with `arm`). Maybe we can remove this command from this PR, and users can add 
their own alias for convenience.

https://github.com/llvm/llvm-project/pull/77949
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