Add support for rebuilding the wasm executable in non-AOT mode.

* Run the pinvoke generator as well.
* Strip the final executable.
* Document some of the public msbuild properties.

src/mono/netcore/sample/wasm/console/Makefile

@@ -17,7 +17,7 @@ CONFIG?=Release
 all: build
 
 build:
-	EMSDK_PATH=$(realpath $(TOP)/src/mono/wasm/emsdk) $(DOTNET) publish $(DOTNET_Q_ARGS) $(DOTNET_RUN_AOT_COMPILATION_ARGS) /p:TargetArchitecture=wasm /p:TargetOS=Browser /p:Configuration=$(CONFIG) $(MSBUILD_ARGS) WasmSample.csproj
+	EMSDK_PATH=$(realpath $(TOP)/src/mono/wasm/emsdk) $(DOTNET) publish $(DOTNET_Q_ARGS) $(DOTNET_RUN_AOT_COMPILATION_ARGS) $(DOTNET_EXTRA_ARGS) /p:TargetArchitecture=wasm /p:TargetOS=Browser /p:Configuration=$(CONFIG) $(MSBUILD_ARGS) WasmSample.csproj
 
 clean:
 	rm -rf bin

src/mono/netcore/sample/wasm/console/WasmSample.csproj

@@ -39,9 +39,9 @@
   <Target Name="PrepareForWasmBuild" BeforeTargets="WasmBuildApp">
     <PropertyGroup>
       <WasmAppDir>$(AppBundleDir)</WasmAppDir>
-      <WasmAOTDir>$(MSBuildProjectDirectory)\$(PublishDir)\</WasmAOTDir>
+      <WasmBuildDir>$(MSBuildProjectDirectory)\$(PublishDir)\</WasmBuildDir>
       <WasmMainJSPath>$(MonoProjectRoot)\wasm\runtime-test.js</WasmMainJSPath>
-      <WasmMainAssemblyPath>$(WasmAotDir)WasmSample.dll</WasmMainAssemblyPath>
+      <WasmMainAssemblyPath>$(WasmBuildDir)WasmSample.dll</WasmMainAssemblyPath>
       <WasmGenerateRunV8Script>true</WasmGenerateRunV8Script>
     </PropertyGroup>
     <ItemGroup>

src/mono/wasm/build/WasmApp.targets

@@ -3,19 +3,28 @@
   <UsingTask TaskName="WasmAppBuilder" AssemblyFile="$(WasmAppBuilderTasksAssemblyPath)" />
   <UsingTask TaskName="WasmAOT" AssemblyFile="$(WasmAppBuilderTasksAssemblyPath)" />
   <UsingTask TaskName="WasmLoadAssembliesAndReferences" AssemblyFile="$(WasmAppBuilderTasksAssemblyPath)" />
+  <UsingTask TaskName="PInvokeTableGenerator" AssemblyFile="$(WasmAppBuilderTasksAssemblyPath)" />
+
+  <!--
+      Public properties:
+      - WasmBuildDir    - Directory where build artifacts are stored.
+      - WasmBuildNative - Whenever to build the native executable. Defaults to false.
+      - WasmNativeStrip - Whenever to strip the native executable. Defaults to true.
+  -->
+
+  <PropertyGroup>
+    <WasmBuildNative Condition="'$(WasmBuildNative)' == ''">false</WasmBuildNative>
+    <WasmBuildNative Condition="'$(RunAOTCompilation)' == ''">true</WasmBuildNative>
+    <WasmNativeStrip>true</WasmNativeStrip>
+  </PropertyGroup>
 
   <PropertyGroup>
-      <WasmBuildAppDependsOn>_BeforeWasmBuildApp;_WasmResolveReferences;_WasmAOT</WasmBuildAppDependsOn>
+      <WasmBuildAppDependsOn>_BeforeWasmBuildApp;_WasmResolveReferences;_WasmBuildNative</WasmBuildAppDependsOn>
   </PropertyGroup>
 
   <Target Name="WasmBuildApp" AfterTargets="Publish" />
 
-  <Target Condition="'$(RunAOTCompilation)' == 'true'" Name="_WasmAotCompileApp">
-    <PropertyGroup>
-      <EmccFlagsFile>$(MicrosoftNetCoreAppRuntimePackRidDir)native\src\emcc-flags.txt</EmccFlagsFile>
-      <RuntimeEmccVersionFile>$(MicrosoftNetCoreAppRuntimePackRidDir)native\src\emcc-version.txt</RuntimeEmccVersionFile>
-      <EmccPublishVersionFile>$(WasmAOTDir)emcc-version.txt</EmccPublishVersionFile>
-    </PropertyGroup>
+  <Target Name="_WasmAotCompileApp" Condition="'$(RunAOTCompilation)' == 'true'">
     <ItemGroup>
       <MonoAOTCompilerDefaultAotArguments Include="no-opt" />
       <MonoAOTCompilerDefaultAotArguments Include="static" />
@@ -37,7 +46,7 @@
       OutputType="AsmOnly"
       Assemblies="@(AotInputAssemblies)"
       UseAotDataFile="false"
-      AotModulesTablePath="$(WasmAOTDir)driver-gen.c"
+      AotModulesTablePath="$(WasmBuildDir)driver-gen.c"
       UseLLVM="true"
         DisableParallelAot="true"
       LLVMPath="$(EMSDK_PATH)\upstream\bin">
@@ -63,10 +72,9 @@
   <Target Name="_BeforeWasmBuildApp">
       <Error Condition="'$(WasmMainAssemblyPath)' == ''" Text="%24(WasmMainAssemblyPath) property needs to be set" />
       <Error Condition="'$(WasmAppDir)' == ''" Text="%24(WasmAppDir) property needs to be set" />
-      <Error Condition="'$(RunAOTCompilation)' == 'true' and '$(WasmAOTDir)' == ''" Text="%24(WasmAOTDir) property needs to be set" />
+      <Error Condition="'$(WasmBuildNative)' == 'true' and '$(WasmBuildDir)' == ''" Text="%24(WasmBuildDir) property needs to be set" />
       <Error Condition="!Exists('$(MicrosoftNetCoreAppRuntimePackRidDir)')" Text="MicrosoftNetCoreAppRuntimePackRidDir=$(MicrosoftNetCoreAppRuntimePackRidDir) doesn't exist" />
       <Error Condition="'$(WasmMainJSPath)' == ''" Text="%24(WasmMainJSPath) property needs to be set" />
-
       <ItemGroup>
           <_WasmAssemblies Include="$(WasmMainAssemblyPath);@(WasmAssembliesToBundle)" />
       </ItemGroup>
@@ -100,29 +108,52 @@
     <Exec Condition="'$(RunAOTCompilation)' == 'true'" Command="mono-cil-strip %(_managedAppAssemblies.Identity)" />
   </Target>
 
-  <Target Name="_WasmAOT" DependsOnTargets="_WasmAotCompileApp" Condition="'$(RunAOTCompilation)' == 'true'">
+  <Target Name="_WasmBuildNative" DependsOnTargets="_WasmAotCompileApp" Condition="'$(WasmBuildNative)' == 'true'">
+    <PropertyGroup>
+      <EmccFlagsFile>$(MicrosoftNetCoreAppRuntimePackRidDir)native\src\emcc-flags.txt</EmccFlagsFile>
+      <RuntimeEmccVersionFile>$(MicrosoftNetCoreAppRuntimePackRidDir)native\src\emcc-version.txt</RuntimeEmccVersionFile>
+      <EmccPublishVersionFile>$(WasmBuildDir)emcc-version.txt</EmccPublishVersionFile>
+    </PropertyGroup>
     <ReadLinesFromFile File="$(EmccFlagsFile)">
         <Output TaskParameter="Lines" PropertyName="EmccFlags" />
     </ReadLinesFromFile>
 
     <PropertyGroup>
       <EmccFlags>$(EmccFlags) -s DISABLE_EXCEPTION_CATCHING=0</EmccFlags>
+      <EmccFlags Condition="'$(RunAOTCompilation)'">$(EmccFlags) -DENABLE_AOT=1 -DDRIVER_GEN=1</EmccFlags>
     </PropertyGroup>
 
     <ReadLinesFromFile File="$(RuntimeEmccVersionFile)">
         <Output TaskParameter="Lines" PropertyName="RuntimeEmccVersion" />
     </ReadLinesFromFile>
 
-    <Exec Command="source $(EMSDK_PATH)/emsdk_env.sh &amp;&amp; emcc --version | head -1 > emcc-version.txt" IgnoreStandardErrorWarningFormat="true" WorkingDirectory="$(WasmAOTDir)" />
+    <Exec Command="source $(EMSDK_PATH)/emsdk_env.sh &amp;&amp; emcc --version | head -1 > emcc-version.txt" IgnoreStandardErrorWarningFormat="true" WorkingDirectory="$(WasmBuildDir)" />
     <ReadLinesFromFile File="$(EmccPublishVersionFile)">
         <Output TaskParameter="Lines" PropertyName="EmccVersion" />
     </ReadLinesFromFile>
     <Error Condition="'$(RuntimeEmccVersion)' != '$(EmccVersion)'" Text="Emscripten version mismatch, expected '$(RuntimeEmccVersion)', got '$(EmccVersion)'"/>
 
-    <Exec Command="source $(EMSDK_PATH)/emsdk_env.sh &amp;&amp; emcc $(EmccFlags) -DCORE_BINDINGS -DENABLE_AOT=1 -DDRIVER_GEN=1 -I$(MicrosoftNetCoreAppRuntimePackRidDir)native/include/mono-2.0 -I$(MicrosoftNetCoreAppRuntimePackRidDir)native/include/wasm -I$(WasmAOTDir) $(MicrosoftNetCoreAppRuntimePackRidDir)native/src/driver.c -c -o driver.o" IgnoreStandardErrorWarningFormat="true" WorkingDirectory="$(WasmAOTDir)" StandardOutputImportance="Low" />
-    <Exec Command="source $(EMSDK_PATH)/emsdk_env.sh &amp;&amp; emcc $(EmccFlags) -I$(MicrosoftNetCoreAppRuntimePackRidDir)native/include/mono-2.0 $(MicrosoftNetCoreAppRuntimePackRidDir)native/src/corebindings.c -c -o corebindings.o" IgnoreStandardErrorWarningFormat="true" WorkingDirectory="$(WasmAOTDir)" StandardOutputImportance="Low" />
-    <Exec Command="source $(EMSDK_PATH)/emsdk_env.sh &amp;&amp; emcc $(EmccFlags) -DGEN_PINVOKE=1 -I$(MicrosoftNetCoreAppRuntimePackRidDir)native/include/wasm $(MicrosoftNetCoreAppRuntimePackRidDir)native/src/pinvoke.c -c -o pinvoke.o" IgnoreStandardErrorWarningFormat="true" WorkingDirectory="$(WasmAOTDir)" StandardOutputImportance="Low" />
-    <Exec Command="source $(EMSDK_PATH)/emsdk_env.sh &amp;&amp; emcc $(EmccFlags) -s TOTAL_MEMORY=536870912 --js-library $(MicrosoftNetCoreAppRuntimePackRidDir)native/src/library_mono.js --js-library $(MicrosoftNetCoreAppRuntimePackRidDir)native/src/binding_support.js --js-library $(MicrosoftNetCoreAppRuntimePackRidDir)native/src/dotnet_support.js --js-library $(MicrosoftNetCoreAppRuntimePackRidDir)native/src/pal_random.js driver.o pinvoke.o corebindings.o @(_WasmAssemblies->'%(LlvmBitcodeFile)', ' ') libmono-ee-interp.a libmonosgen-2.0.a libmono-ilgen.a libmono-icall-table.a libSystem.Native.a libSystem.IO.Compression.Native.a libicuuc.a libicui18n.a -o dotnet.js" IgnoreStandardErrorWarningFormat="true" WorkingDirectory="$(WasmAOTDir)" StandardOutputImportance="Low" />
+    <!-- Either created by MonoAOTCompiler or here -->
+    <WriteLinesToFile File="$(WasmBuildDir)driver-gen.c" Overwrite="true" Condition="'$(RunAOTCompilation)' == 'false'"
+                      Lines=""
+                      />
+
+    <ItemGroup>
+      <_WasmPInvokeModules Include="libSystem.Native" />
+      <_WasmPInvokeModules Include="libSystem.IO.Compression.Native" />
+      <_WasmPInvokeModules Include="libSystem.Globalization.Native" />
+      <_WasmPInvokeAssemblies Include="$(WasmBuildDir)\*.dll" />
+   </ItemGroup>
+   <PInvokeTableGenerator
+     Modules="@(_WasmPInvokeModules)"
+     Assemblies="@(_WasmPInvokeAssemblies)"
+     OutputPath="$(WasmBuildDir)pinvoke-table.h" />
+
+    <Exec Command="source $(EMSDK_PATH)/emsdk_env.sh &amp;&amp; emcc $(EmccFlags) -DCORE_BINDINGS -I$(MicrosoftNetCoreAppRuntimePackRidDir)native/include/mono-2.0 -I$(MicrosoftNetCoreAppRuntimePackRidDir)native/include/wasm -I$(WasmBuildDir) $(MicrosoftNetCoreAppRuntimePackRidDir)native/src/driver.c -c -o driver.o" IgnoreStandardErrorWarningFormat="true" WorkingDirectory="$(WasmBuildDir)" StandardOutputImportance="Low" />
+    <Exec Command="source $(EMSDK_PATH)/emsdk_env.sh &amp;&amp; emcc $(EmccFlags) -I$(MicrosoftNetCoreAppRuntimePackRidDir)native/include/mono-2.0 $(MicrosoftNetCoreAppRuntimePackRidDir)native/src/corebindings.c -c -o corebindings.o" IgnoreStandardErrorWarningFormat="true" WorkingDirectory="$(WasmBuildDir)" StandardOutputImportance="Low" />
+    <Exec Command="source $(EMSDK_PATH)/emsdk_env.sh &amp;&amp; emcc $(EmccFlags) -DGEN_PINVOKE=1 -I$(WasmBuildDir) -I$(MicrosoftNetCoreAppRuntimePackRidDir)native/include/wasm $(MicrosoftNetCoreAppRuntimePackRidDir)native/src/pinvoke.c -c -o pinvoke.o" IgnoreStandardErrorWarningFormat="true" WorkingDirectory="$(WasmBuildDir)" StandardOutputImportance="Low" />
+    <Exec Command="source $(EMSDK_PATH)/emsdk_env.sh &amp;&amp; emcc $(EmccFlags) -s TOTAL_MEMORY=536870912 --js-library $(MicrosoftNetCoreAppRuntimePackRidDir)native/src/library_mono.js --js-library $(MicrosoftNetCoreAppRuntimePackRidDir)native/src/binding_support.js --js-library $(MicrosoftNetCoreAppRuntimePackRidDir)native/src/dotnet_support.js --js-library $(MicrosoftNetCoreAppRuntimePackRidDir)native/src/pal_random.js driver.o pinvoke.o corebindings.o @(_WasmAssemblies->'%(LlvmBitcodeFile)', ' ') libmono-ee-interp.a libmonosgen-2.0.a libmono-ilgen.a libmono-icall-table.a libSystem.Native.a libSystem.IO.Compression.Native.a libicuuc.a libicui18n.a -o dotnet.js" IgnoreStandardErrorWarningFormat="true" WorkingDirectory="$(WasmBuildDir)" StandardOutputImportance="Low" />
+    <Exec Condition="'$(WasmNativeStrip)' == 'true'" Command="$(EMSDK_PATH)/upstream/bin/wasm-opt --strip-dwarf dotnet.wasm -o dotnet.wasm" IgnoreStandardErrorWarningFormat="true" WorkingDirectory="$(WasmBuildDir)" />
   </Target>
 
   <Target Name="_GenerateRunV8Script">