Debugging a WASM crash stack figuring out function names

[Brian Gavin]

Hello, I am sometimes getting a memory out of bounds exception thrown.

It reports like shown below in Chrome 

exception thrown:  RuntimeError: memory access out of bounds

at wasm-function[3928]:0x16cc09

at wasm-function[3936]:0x16ecc

at wasm-function[3936]:0x16cecc

...

If the crashed happen in a version compiled with profiling we would get function names.   Is it possible for me to some how figure out the function names for things like wasm-function[3928] ?  

Thanks

Brian Gavin

[Alon Zakai]

You can if you save a map of the function names and their indexes. See the --emit-symbol-map option.

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[Brian Gavin]

Thanks again Alon that is exactly what I needed.

Brian Gavin