dy/c-to-wasm.md

Last active August 18, 2023 03:05

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C to WASM

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c-to-wasm.md

Convert C file to wasm, example: https://github.com/jdh8/metallic

clang --target=wasm32 -pipe -O3 -Wall -flto  -I path/to/include -c ./pow.c -o ./pow.o 
llvm-lto ./pow.o -o ./pow.wasm --exported-symbol=pow
wasm2wat -f ./pow.wasm

Note: can use https://webassembly.github.io/wabt/demo/wasm2wat/ to convert back to text. Note: that for .h files you may want to create wrappers.