7a9b3076ef
* In WASM, use a custom, simple malloc implementation that lets us expicitly reset the heap with a new start location. * When a WASM call traps or errors, propagate that as a parse failure. * Reset the WASM heap after every parse. Co-authored-by: Conrad <conrad@zed.dev>
34 lines
964 B
Bash
Executable file
34 lines
964 B
Bash
Executable file
#!/bin/bash
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set -e
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# Remove quotes and commas
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EXPORTED_FUNCTIONS=$( \
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cat lib/src/wasm/stdlib-symbols.txt | \
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tr -d ',"' \
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)
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EXPORT_FLAGS=""
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for function in ${EXPORTED_FUNCTIONS}; do
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EXPORT_FLAGS+=" -Wl,--export=${function}"
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done
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target/wasi-sdk-21.0/bin/clang-17 \
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-o stdlib.wasm \
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-Os \
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-fPIC \
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-Wl,--no-entry \
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-Wl,--stack-first \
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-Wl,-z -Wl,stack-size=65536 \
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-Wl,--import-undefined \
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-Wl,--import-memory \
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-Wl,--import-table \
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-Wl,--strip-debug \
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-Wl,--export=reset_heap \
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-Wl,--export=__wasm_call_ctors \
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-Wl,--export=__stack_pointer \
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${EXPORT_FLAGS} \
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lib/src/wasm/stdlib.c
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xxd -C -i stdlib.wasm > lib/src/wasm/wasm-stdlib.h
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mv stdlib.wasm target/
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