Rename thread_spawn import (#1907)

Following the wit-defined ABI:
https://github.com/WebAssembly/wasi-threads/pull/26

cf. https://github.com/WebAssembly/wasi-libc/pull/387

.github/workflows/compilation_on_android_ubuntu.yml

@@ -326,8 +326,13 @@ jobs:
 
       - name: build wasi-libc (needed for wasi-threads)
         run: |
-          git clone --branch wasi-sdk-17 https://github.com/WebAssembly/wasi-libc
+          mkdir wasi-libc
           cd wasi-libc
+          git init
+          # "Rename thread_spawn import" commit on main branch
+          git fetch https://github.com/WebAssembly/wasi-libc \
+            8f5275796a82f8ecfd0833a4f3f444fa37ed4546
+          git checkout FETCH_HEAD
           make \
             AR=/opt/wasi-sdk/bin/llvm-ar \
             NM=/opt/wasi-sdk/bin/llvm-nm \

.github/workflows/compilation_on_macos.yml

@@ -268,8 +268,13 @@ jobs:
 
       - name: build wasi-libc (needed for wasi-threads)
         run: |
-          git clone --branch wasi-sdk-17 https://github.com/WebAssembly/wasi-libc
+          mkdir wasi-libc
           cd wasi-libc
+          git init
+          # "Rename thread_spawn import" commit on main branch
+          git fetch https://github.com/WebAssembly/wasi-libc \
+            8f5275796a82f8ecfd0833a4f3f444fa37ed4546
+          git checkout FETCH_HEAD
           make \
             AR=/opt/wasi-sdk/bin/llvm-ar \
             NM=/opt/wasi-sdk/bin/llvm-nm \
@@ -329,4 +334,4 @@ jobs:
           mkdir build && cd build
           cmake -DWASI_SYSROOT=`pwd`/../../../core/deps/wasi-libc/sysroot ..
           cmake --build . --config Release --parallel 4
-          ./iwasm wasm-apps/no_pthread.wasm
+          ./iwasm wasm-apps/no_pthread.wasm

.github/workflows/compilation_on_sgx.yml

@@ -270,8 +270,13 @@ jobs:
 
       - name: build wasi-libc (needed for wasi-threads)
         run: |
-          git clone --branch wasi-sdk-17 https://github.com/WebAssembly/wasi-libc
+          mkdir wasi-libc
           cd wasi-libc
+          git init
+          # "Rename thread_spawn import" commit on main branch
+          git fetch https://github.com/WebAssembly/wasi-libc \
+            8f5275796a82f8ecfd0833a4f3f444fa37ed4546
+          git checkout FETCH_HEAD
           make \
             AR=/opt/wasi-sdk/bin/llvm-ar \
             NM=/opt/wasi-sdk/bin/llvm-nm \

core/iwasm/libraries/lib-wasi-threads/lib_wasi_threads_wrapper.c

@@ -148,12 +148,12 @@ thread_preparation_fail:
 }
 
 /* clang-format off */
-#define REG_NATIVE_FUNC(func_name, signature) \
-    { #func_name, func_name##_wrapper, signature, NULL }
+#define REG_NATIVE_FUNC(name, func_name, signature) \
+    { name, func_name##_wrapper, signature, NULL }
 /* clang-format on */
 
 static NativeSymbol native_symbols_lib_wasi_threads[] = { REG_NATIVE_FUNC(
-    thread_spawn, "(i)i") };
+    "thread-spawn", thread_spawn, "(i)i") };
 
 uint32
 get_lib_wasi_threads_export_apis(NativeSymbol **p_lib_wasi_threads_apis)

samples/wasi-threads/wasm-apps/CMakeLists.txt

@@ -14,7 +14,7 @@ endif ()
 set (CMAKE_SYSROOT                  "${WASI_SYSROOT}")
 set (CMAKE_C_COMPILER               "${WASI_SDK_DIR}/bin/clang")
 set (CMAKE_ASM_COMPILER               "${WASI_SDK_DIR}/bin/clang")
-set (CMAKE_C_COMPILER_TARGET        "wasm32-wasi")
+set (CMAKE_EXE_LINKER_FLAGS         "-target wasm32-wasi-threads")
 
 function (compile_sample SOURCE_FILE)
   get_filename_component (FILE_NAME ${SOURCE_FILE} NAME_WLE)
@@ -36,4 +36,4 @@ function (compile_sample SOURCE_FILE)
 endfunction ()
 
 compile_sample(no_pthread.c wasi_thread_start.S)
-compile_sample(thread_termination.c wasi_thread_start.S)
+compile_sample(thread_termination.c wasi_thread_start.S)