diff options
Diffstat (limited to 'devtools/client/debugger/test/mochitest/examples/wasm-sourcemaps/README.md')
| -rw-r--r-- | devtools/client/debugger/test/mochitest/examples/wasm-sourcemaps/README.md | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/examples/wasm-sourcemaps/README.md b/devtools/client/debugger/test/mochitest/examples/wasm-sourcemaps/README.md new file mode 100644 index 0000000000..4b4c269f57 --- /dev/null +++ b/devtools/client/debugger/test/mochitest/examples/wasm-sourcemaps/README.md @@ -0,0 +1,20 @@ +# Building WebAssembly source with source maps + +First download and install WASI SDK: +https://github.com/WebAssembly/wasi-sdk/blob/47e5865191c02a8943a1ce2dfb202167219435b8/README.md +``` +export WASI_VERSION=12 +export WASI_VERSION_FULL=${WASI_VERSION}.0 +wget https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-${WASI_VERSION}/wasi-sdk-${WASI_VERSION_FULL}-linux.tar.gz +tar xvf wasi-sdk-${WASI_VERSION_FULL}-linux.tar.gz + +export WASI_SDK_PATH=`pwd`/wasi-sdk-${WASI_VERSION_FULL} +CC="${WASI_SDK_PATH}/bin/clang --sysroot=${WASI_SDK_PATH}/share/wasi-sysroot" +``` + +Then, build the wasm file + its source map file +``` +$CC --target=wasm32-unknown-unknown-wasm -nostartfiles -nostdlib -Wl,-no-entry,--export=fib -g fib.c -o fib.wasm + +python3 wasm-sourcemap.py fib.wasm -o fib.wasm.map --dwarfdump=$WASI_SDK_PATH/bin/llvm-dwarfdump --source-map-url=https://example.com/browser/devtools/client/debugger/test/mochitest/examples/wasm-sourcemaps/fib.wasm.map -w fib.wasm +``` |