76 lines
2.9 KiB
Shell
Executable file
76 lines
2.9 KiB
Shell
Executable file
#!/bin/bash
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# Apply asyncify transformation to KiCad WASM
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#
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# Usage: ./scripts/common/apply-asyncify.sh <input.wasm> <output.wasm>
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#
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# This script is called by docker/build.sh but can also be run standalone
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# for debugging asyncify issues.
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set -e
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_ROOT="$(cd "${SCRIPT_DIR}/../.." && pwd)"
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# Get wasm-opt path
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WASM_OPT=$("${SCRIPT_DIR}/get-wasm-opt.sh")
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INPUT_WASM="${1:-output/pcbnew.wasm}"
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OUTPUT_WASM="${2:-${INPUT_WASM}}"
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if [ ! -f "${INPUT_WASM}" ]; then
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echo "ERROR: Input file not found: ${INPUT_WASM}"
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exit 1
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fi
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echo "Applying asyncify transformation..."
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echo " Input: ${INPUT_WASM}"
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echo " Output: ${OUTPUT_WASM}"
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echo " Tool: ${WASM_OPT}"
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# Asyncify import patterns (functions that trigger async suspension)
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# - env.invoke_* : Exception handling trampolines
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# - env.__asyncjs__* : EM_ASYNC_JS functions (like startModal())
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ASYNCIFY_IMPORTS="env.invoke_*,env.__asyncjs__*,env.emscripten_fiber_swap"
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# Functions to exclude from asyncify instrumentation
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# These are large functions that inflate beyond V8's local-count limits.
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ASYNCIFY_REMOVE=$(cat << 'REMOVELIST'
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COLOR_SETTINGS::COLOR_SETTINGS(wxString const&, bool)
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BuildBitmapInfo(std::__2::unordered_map<BITMAPS, std::__2::vector<BITMAP_INFO, std::__2::allocator<BITMAP_INFO>>, std::__2::hash<BITMAPS>, std::__2::equal_to<BITMAPS>, std::__2::allocator<std::__2::pair<BITMAPS const, std::__2::vector<BITMAP_INFO, std::__2::allocator<BITMAP_INFO>>>>>&)
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match
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DIALOG_PAD_PROPERTIES_BASE::DIALOG_PAD_PROPERTIES_BASE(wxWindow*, int, wxString const&, wxPoint const&, wxSize const&, long)
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buildKicadAboutBanner(EDA_BASE_FRAME*, ABOUT_APP_INFO&)
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IGESToBRep_CurveAndSurface::TransferGeometry(opencascade::handle<IGESData_IGESEntity> const&, Message_ProgressRange const&)
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StepAP214_Protocol::StepAP214_Protocol()
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BRepCheck_ParallelAnalyzer::operator()(int) const
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ShapeFix_Wire::FixGap3d(int, bool)
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ShapeFix_Wire::FixGap2d(int, bool)
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PCB_EDIT_FRAME::setupUIConditions()
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REMOVELIST
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)
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ASYNCIFY_REMOVE_ARG=$(echo "${ASYNCIFY_REMOVE}" | tr '\n' ',' | sed 's/,$//')
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echo ""
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echo "Running wasm-opt --asyncify..."
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echo "This may take several minutes and use significant RAM..."
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"${WASM_OPT}" --asyncify \
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"--pass-arg=asyncify-imports@${ASYNCIFY_IMPORTS}" \
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"--pass-arg=asyncify-removelist@${ASYNCIFY_REMOVE_ARG}" \
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--pass-arg=asyncify-propagate-addlist \
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"${INPUT_WASM}" -o "${OUTPUT_WASM}"
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echo ""
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echo "Running wasm-opt -O2 on the asyncified wasm..."
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echo " Purpose: shrink asyncify-instrumented functions back under V8's"
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echo " per-function locals limit (otherwise large coroutine-entry and"
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echo " similar functions silently stall in Chrome's V8). See docs/debugging/DEBUG.md §7"
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echo " and memory/bundle-size-asyncify-optimization.md."
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echo " This pass also takes several minutes and ~10-15 GB RAM."
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"${WASM_OPT}" -O2 "${OUTPUT_WASM}" -o "${OUTPUT_WASM}"
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echo ""
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echo "Asyncify + -O2 complete: ${OUTPUT_WASM}"
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ls -lh "${OUTPUT_WASM}"
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