wasm-micro-runtime/samples/workload/XNNPACK/xnnpack.patch

diff --git a/.bazelrc b/.bazelrc
index 688279da1..376996885 100644
--- a/.bazelrc
+++ b/.bazelrc
@@ -53,4 +53,9 @@ build:ios_fat --watchos_cpus=armv7k
 build:macos --apple_platform_type=macos
 
 build:macos_arm64 --config=macos
-build:macos_arm64 --cpu=darwin_arm64
\ No newline at end of file
+build:macos_arm64 --cpu=darwin_arm64
+
+build:wasm --cpu=wasm
+build:wasm --features=wasm_simd
+build:wasm --crosstool_top=@emsdk//emscripten_toolchain:everything
+build:wasm --host_crosstool_top=@bazel_tools//tools/cpp:toolchain
diff --git a/WORKSPACE b/WORKSPACE
index cd8960ffa..787e03ca8 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -29,8 +29,9 @@ http_archive(
 # Google Benchmark library, used in micro-benchmarks.
 http_archive(
     name = "com_google_benchmark",
-    strip_prefix = "benchmark-main",
-    urls = ["https://github.com/google/benchmark/archive/main.zip"],
+    sha256 = "1ba14374fddcd9623f126b1a60945e4deac4cdc4fb25a5f25e7f779e36f2db52",
+    strip_prefix = "benchmark-d2a8a4ee41b923876c034afb939c4fc03598e622",
+    urls = ["https://github.com/google/benchmark/archive/d2a8a4ee41b923876c034afb939c4fc03598e622.zip"],
 )
 
 # FP16 library, used for half-precision conversions
@@ -92,8 +93,25 @@ http_archive(
     ],
 )
 
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+http_archive(
+    name = "emsdk",
+    # Use emsdk-3.0.0 since the larger version may:
+    #   - compress the wasm file into a tar file but not directly generate wasm file
+    #   - generate incomplete implementation of libc API, e.g. throw exception in getentropy
+    strip_prefix = "emsdk-3.0.0/bazel",
+    url = "https://github.com/emscripten-core/emsdk/archive/refs/tags/3.0.0.tar.gz",
+    sha256 = "a41dccfd15be9e85f923efaa0ac21943cbab77ec8d39e52f25eca1ec61a9ac9e"
+)
+
+load("@emsdk//:deps.bzl", emsdk_deps = "deps")
+emsdk_deps()
+
+load("@emsdk//:emscripten_deps.bzl", emsdk_emscripten_deps = "emscripten_deps")
+emsdk_emscripten_deps()
+
 # Android NDK location and version is auto-detected from $ANDROID_NDK_HOME environment variable
-android_ndk_repository(name = "androidndk")
+#android_ndk_repository(name = "androidndk")
 
 # Android SDK location and API is auto-detected from $ANDROID_HOME environment variable
-android_sdk_repository(name = "androidsdk")
+#android_sdk_repository(name = "androidsdk")
diff --git a/build_defs.bzl b/build_defs.bzl
index b8217a18d..6f2d1675e 100644
--- a/build_defs.bzl
+++ b/build_defs.bzl
@@ -380,7 +380,7 @@ def xnnpack_benchmark(name, srcs, copts = [], deps = [], tags = []):
             explicitly specified.
     """
     native.cc_binary(
-        name = name,
+        name = name + ".wasm",
         srcs = srcs,
         copts = xnnpack_std_cxxopts() + [
             "-Iinclude",
@@ -405,5 +405,5 @@ def xnnpack_benchmark(name, srcs, copts = [], deps = [], tags = []):
             ":emscripten": xnnpack_emscripten_deps(),
             "//conditions:default": [],
         }),
-	tags = tags,
+	    tags = tags,
     )
diff --git a/emscripten.bzl b/emscripten.bzl
index f1557a7b1..7f964a094 100644
--- a/emscripten.bzl
+++ b/emscripten.bzl
@@ -25,12 +25,19 @@ def xnnpack_emscripten_benchmark_linkopts():
     """Emscripten-specific linkopts for benchmarks."""
     return [
         "-s ASSERTIONS=1",
-        "-s ENVIRONMENT=node,shell,web",
-        "-s ERROR_ON_UNDEFINED_SYMBOLS=1",
-        "-s EXIT_RUNTIME=1",
+        "-s ERROR_ON_UNDEFINED_SYMBOLS=0",
         "-s ALLOW_MEMORY_GROWTH=1",
         "-s TOTAL_MEMORY=536870912",  # 512M
-        "--pre-js $(location :preamble.js.lds)",
+        "-s USE_PTHREADS=0",
+        "-s STANDALONE_WASM=1",
+        "-Wno-unused",
+        "-Wno-unused-variable",
+        "-Wno-unused-command-line-argument",
+        "-Wl,--export=__heap_base",
+        "-Wl,--export=__data_end",
+        "-Wl,--export=malloc",
+        "-Wl,--export=free",
+        "--oformat=wasm",
     ]
 
 def xnnpack_emscripten_deps():
diff --git a/src/log.c b/src/log.c
index 5715f2f85..4b3e4261b 100644
--- a/src/log.c
+++ b/src/log.c
@@ -55,7 +55,7 @@
 #endif
 
 #if XNN_LOG_TO_STDIO
-static void xnn_vlog(int output_handle, const char* prefix, size_t prefix_length, const char* format, va_list args) {
+void xnn_vlog(int output_handle, const char* prefix, size_t prefix_length, const char* format, va_list args) {
   char stack_buffer[XNN_LOG_STACK_BUFFER_SIZE];
   char* heap_buffer = NULL;
   char* out_buffer = &stack_buffer[0];
diff --git a/third_party/cpuinfo.BUILD b/third_party/cpuinfo.BUILD
index 1997f4e3a..5e03c43af 100644
--- a/third_party/cpuinfo.BUILD
+++ b/third_party/cpuinfo.BUILD
@@ -150,7 +150,7 @@ cc_library(
         "src/arm/midr.h",
     ],
     deps = [
-        "@clog",
+        "//deps/clog"
     ],
 )
 
@@ -352,5 +352,5 @@ config_setting(
 
 config_setting(
     name = "emscripten",
-    values = {"crosstool_top": "//toolchain:emscripten"},
+    values = {"crosstool_top": "@emsdk//emscripten_toolchain:everything"},
 )