wasm: globals and wasm64 (#8)

wasm/base.sh

@@ -0,0 +1,7 @@
+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=${WASI_SDK_PATH}/share/wasi-sysroot"
+$CC base.c -o base.wasm

wasm/global.c

@@ -0,0 +1,11 @@
+#include <stdint.h>
+
+void console_log(uint32_t value);
+
+uint32_t global1 = 1;
+uint32_t global2 = 2;
+
+void print() {
+    console_log(global1);
+    console_log(global2);
+}

wasm/global.sh

@@ -0,0 +1,25 @@
+clang-16 --target=wasm32 -nostdlib -c global.c -o global-wasm32.o
+wasm-ld-16 \
+	--no-entry \
+	--export-all \
+	--allow-undefined \
+	global-wasm32.o \
+	-o global-wasm32
+
+clang-16 --target=wasm64 -nostdlib -c global.c -o global-wasm64.o
+wasm-ld-16 \
+	-mwasm64 \
+	--no-entry \
+	--export-all \
+	--allow-undefined \
+	global-wasm64.o \
+	-o global-wasm64
+wasm-ld-16 \
+	-mwasm64 \
+	--no-entry \
+	--export-all \
+	--allow-undefined \
+	--import-memory \
+	global-wasm64.o \
+	-o global-wasm64-import
+