Comments (4)
Hi, just want to make sure we are on the same page. You can run your application in wasm format, but after it is compiled to aot format, it has the error you describe, right?
from wasm-micro-runtime.
Not really. I do the following
- compile my wasm module to .wasm with emscripten
emcc -std=c++20 -g --no-entry -sERROR_ON_UNDEFINED_SYMBOLS=0 \
-I$PROTOLIB_PATH $PROTOLIB_PATH/.libs/libprotobuf.a \
-matomics -mbulk-memory -Wl,--shared-memory,--no-check-features \
-Wl,--export=__heap_base,--export=__data_end,--export=__wasm_call_ctors \
-Wl,--export=malloc -Wl,--export=free \
-Wl,--no-entry \
example.cpp -o example.wasm
- compile .wasm to .aot with wamrc
wamrc --enable-multi-thread --target=x86_64 --cpu=ivybridge -o example.aot example.wasm
- use this module inside my c++ code using wasm_runtime_load, wasm_runtime_instantiate, etc.
Two first steps (.cpp -> .wasm -> .aot) finish successfully without errors. But when using module it throws the error described above
from wasm-micro-runtime.
What if you are loading the wasm file rather than aot file? Will it still have similar errors?
from wasm-micro-runtime.
If I remember correctly, emcc's pthread support for standalone mode may not be ideal. We have encountered some non-trivial issues about it before. I don't know if you can switch to using wasi-sdk instead, given the protobuf link you posted is compiled with emcc, I think it will be some extra work to use wasi-sdk to compile that library.
PS: When you can get it run successfully, for thrown exception debugging you can refer to samples/debug-tools, which explains how to find the line number of the source code based on the call stack dumped when an exception is thrown.
from wasm-micro-runtime.
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