W3

scripts/build_core_wasm.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+# Build the production W1 UCE WASM core from the real runtime carve-out.
+# Run on k-uce from any working directory.
+set -euo pipefail
+cd "$(dirname "$0")/.."
+
+SDK=${WASI_SDK:-/opt/wasi-sdk}
+OUT=${UCE_WASM_OUT:-/tmp/uce/wasm-w1}
+mkdir -p "$OUT" bin/wasm
+
+if [ ! -x "$SDK/bin/clang++" ]; then
+	echo "wasi-sdk clang++ not found; set WASI_SDK" >&2
+	exit 1
+fi
+
+"$SDK/bin/clang++" --target=wasm32-wasip1 -mexec-model=reactor \
+	-O1 -g -std=c++20 -fno-exceptions -fno-rtti \
+	-D__UCE_WASM_CORE__ \
+	-I. -Isrc/lib \
+	src/wasm/core.cpp -o "$OUT/core.wasm" \
+	-Wl,--export-all \
+	-Wl,--export=__heap_base \
+	-Wl,--export=__stack_pointer \
+	-Wl,--import-table \
+	-Wl,--allow-undefined-file=src/wasm/core_hostcalls.syms \
+	-Wl,--no-entry \
+	$(sed "s/^/-Wl,--export-if-defined=/" src/wasm/core_libc_exports.syms | tr "\n" " ")
+
+cp "$OUT/core.wasm" bin/wasm/core.wasm
+ls -lh "$OUT/core.wasm" bin/wasm/core.wasm