dotnet · jakobbotsch · Aug 26, 2024 · Aug 26, 2024
diff --git a/eng/pipelines/common/templates/runtimes/run-test-job.yml b/eng/pipelines/common/templates/runtimes/run-test-job.yml
@@ -244,7 +244,7 @@ jobs:
     # Compose the Core_Root folder containing all artifacts needed for running
     # CoreCLR tests. This step also compiles the framework using Crossgen2
     # in ReadyToRun jobs.
-    - script: $(Build.SourcesDirectory)/src/tests/build$(scriptExt) generatelayoutonly $(logRootNameArg)Layout $(runtimeFlavorArgs) $(crossgenArg) $(buildConfig) $(archType) $(crossArg) $(priorityArg) $(librariesOverrideArg) $(runtimeVariantArg) -ci
+    - script: $(Build.SourcesDirectory)/src/tests/build$(scriptExt) generatelayoutonly $(logRootNameArg)Layout $(runtimeFlavorArgs) $(crossgenArg) $(buildConfig) $(archType) $(crossArg) $(priorityArg) $(librariesOverrideArg) $(runtimeVariantArg)
       displayName: Generate CORE_ROOT
 
     # Build a Mono LLVM AOT cross-compiler for non-amd64 targets (in this case, just arm64)

diff --git a/src/coreclr/scripts/superpmi.py b/src/coreclr/scripts/superpmi.py
@@ -693,6 +693,14 @@ def __init__(self, coreclr_args):
             self.pmi_location = determine_pmi_location(coreclr_args)
             self.corerun = os.path.join(self.core_root, self.corerun_tool_name)
 
+        if coreclr_args.crossgen2:
+            self.corerun = os.path.join(self.core_root, self.corerun_tool_name)
+            if coreclr_args.dotnet_tool_path is None:
+                self.crossgen2_driver_tool = self.corerun
+            else:
+                self.crossgen2_driver_tool = coreclr_args.dotnet_tool_path
+            logging.debug("Using crossgen2 driver tool %s", self.crossgen2_driver_tool)
+
         if coreclr_args.pmi or coreclr_args.crossgen2:
             self.assemblies = coreclr_args.assemblies
             self.exclude = coreclr_args.exclude
@@ -1058,7 +1066,7 @@ async def run_crossgen2(print_prefix, assembly, self):
                     #
                     # invoke with:
                     #
-                    # <Core_Root>\crossgen2\crossgen2.exe @<temp.rsp>
+                    # dotnet <Core_Root>\crossgen2\crossgen2.dll @<temp.rsp>
                     #
                     # where "dotnet" is one of:
                     # 1. <runtime_root>\dotnet.cmd/sh
@@ -1081,7 +1089,7 @@ async def run_crossgen2(print_prefix, assembly, self):
                     # Log what is in the response file
                     write_file_to_log(rsp_filepath)
 
-                    command = [self.coreclr_args.crossgen2_tool_path, "@" + rsp_filepath]
+                    command = [self.crossgen2_driver_tool, self.coreclr_args.crossgen2_tool_path, "@" + rsp_filepath]
                     command_string = " ".join(command)
                     logging.debug("%s%s", print_prefix, command_string)
 
@@ -4908,8 +4916,7 @@ def verify_base_diff_args():
 
         if coreclr_args.crossgen2:
             # Can we find crossgen2?
-
-            crossgen2_tool_name = "crossgen2.exe" if platform.system() == "Windows" else "crossgen2"
+            crossgen2_tool_name = "crossgen2.dll"
             crossgen2_tool_path = os.path.abspath(os.path.join(coreclr_args.core_root, "crossgen2", crossgen2_tool_name))
             if not os.path.exists(crossgen2_tool_path):
                 print("`--crossgen2` is specified, but couldn't find " + crossgen2_tool_path + ". (Is it built?)")

diff --git a/src/coreclr/tools/aot/crossgen2/crossgen2_publish.csproj b/src/coreclr/tools/aot/crossgen2/crossgen2_publish.csproj
@@ -37,7 +37,6 @@
   <Import Project="$(RepositoryEngineeringDir)codeOptimization.targets" />
 
   <PropertyGroup Condition="'$(UseNativeAotForComponents)' == 'true'">
-    <PublishAot>true</PublishAot>
     <IlcToolsPath>$(CoreCLRILCompilerDir)</IlcToolsPath>
     <IlcToolsPath Condition="'$(CrossBuild)' == 'true' or '$(BuildArchitecture)' != '$(TargetArchitecture)' or '$(EnableNativeSanitizers)' != ''">$(CoreCLRCrossILCompilerDir)</IlcToolsPath>
     <SysRoot Condition="('$(CrossBuild)' == 'true' or '$(BuildArchitecture)' != '$(TargetArchitecture)') and '$(HostOS)' != 'windows'">$(ROOTFS_DIR)</SysRoot>

diff --git a/src/coreclr/tools/r2rtest/Crossgen2Runner.cs b/src/coreclr/tools/r2rtest/Crossgen2Runner.cs
@@ -24,19 +24,15 @@ class Crossgen2RunnerOptions
     class Crossgen2Runner : CompilerRunner
     {
         private Crossgen2RunnerOptions Crossgen2RunnerOptions;
-        private bool IsAssembly => _options.Crossgen2Path != null && _options.Crossgen2Path.FullName.EndsWith(".dll");
+        public override CompilerIndex Index => CompilerIndex.CPAOT;
 
-        // Crossgen2 runs as a standalone binary
+        // Crossgen2 runs on top of corerun.
         protected override string CompilerRelativePath => "";
-        protected override string CompilerFileName => "";
-
-        protected override string CompilerPath => IsAssembly ? _options.DotNetCli : _options.Crossgen2Path?.FullName
-            ?? Path.Combine(_options.CoreRootDirectory.FullName, "crossgen2", RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ? "crossgen2.exe" : "crossgen2");
-
-        public override CompilerIndex Index => CompilerIndex.CPAOT;
 
-        protected readonly List<string> _referenceFiles = new();
+        protected override string CompilerFileName => _options.DotNetCli;
+        protected readonly List<string> _referenceFiles = new List<string>();
 
+        private string Crossgen2Path => _options.Crossgen2Path != null ? _options.Crossgen2Path.FullName : Path.Combine(_options.CoreRootDirectory.FullName, "crossgen2", "crossgen2.dll");
         private bool CompositeMode => Crossgen2RunnerOptions != null ? Crossgen2RunnerOptions.Composite : _options.Composite;
 
         public Crossgen2Runner(BuildOptions options, Crossgen2RunnerOptions crossgen2RunnerOptions, IEnumerable<string> references, string overrideOutputPath = null)
@@ -68,9 +64,7 @@ public Crossgen2Runner(BuildOptions options, Crossgen2RunnerOptions crossgen2Run
         public override ProcessParameters CompilationProcess(string outputFileName, IEnumerable<string> inputAssemblyFileNames)
         {
             ProcessParameters processParameters = base.CompilationProcess(outputFileName, inputAssemblyFileNames);
-            if (IsAssembly)
-                processParameters.Arguments = $"{_options.Crossgen2Path.FullName} {processParameters.Arguments}";
-
+            processParameters.Arguments = $"{Crossgen2Path} {processParameters.Arguments}";
             // DOTNET_ variables
             processParameters.EnvironmentOverrides["DOTNET_GCStress"] = "";
             processParameters.EnvironmentOverrides["DOTNET_HeapVerify"] = "";
@@ -82,7 +76,6 @@ public override ProcessParameters CompilationProcess(string outputFileName, IEnu
             processParameters.EnvironmentOverrides["COMPlus_HeapVerify"] = "";
             processParameters.EnvironmentOverrides["COMPlus_ReadyToRun"] = "";
             processParameters.EnvironmentOverrides["COMPlus_GCName"] = "";
-
             return processParameters;
         }
 

diff --git a/src/tests/Common/CLRTest.CrossGen.targets b/src/tests/Common/CLRTest.CrossGen.targets
@@ -85,17 +85,16 @@ if [ ! -z ${RunCrossGen2+x} ]%3B then
         __ResponseFile="$__OutputFile.rsp"
         rm $__ResponseFile 2>/dev/null
 
-        __R2RDumpCommand=$_DebuggerFullPath
+        __Command=$_DebuggerFullPath
         # Tests run locally need __TestDotNetCmd (set by runtest.py) or a compatible 5.0 dotnet runtime in the path
         if [ ! -z ${__TestDotNetCmd+x} ] %3B then
-            __R2RDumpCommand+=" $__TestDotNetCmd"
+            __Command+=" $__TestDotNetCmd"
         else
-            __R2RDumpCommand+=" dotnet"
+            __Command+=" dotnet"
         fi
-        __R2RDumpCommand+=" $CORE_ROOT/R2RDump/R2RDump.dll"
+        __R2RDumpCommand=$__Command" $CORE_ROOT/R2RDump/R2RDump.dll"
         __R2RDumpCommand+=" --header --sc --in $__OutputFile --out $__OutputFile.r2rdump --val"
-
-        __Command="$_DebuggerFullPath $CORE_ROOT/crossgen2/crossgen2"
+        __Command+=" $CORE_ROOT/crossgen2/crossgen2.dll"
         __Command+=" @$__ResponseFile"
         __Command+=" $ExtraCrossGen2Args"
 
@@ -248,10 +247,11 @@ if defined RunCrossGen2 (
     ) else (
         set __DotNet="dotnet"
     )
-    set __R2RDumpCommand=!_DebuggerFullPath! !__DotNet! "!CORE_ROOT!\r2rdump\r2rdump.dll"
+    set __Command=!_DebuggerFullPath!
+    set __Command=!__Command! !__DotNet!
+    set __R2RDumpCommand=!__Command! "!CORE_ROOT!\r2rdump\r2rdump.dll"
     set __R2RDumpCommand=!__R2RDumpCommand! --header --sc --in !__OutputFile! --out !__OutputFile!.r2rdump --val
-
-    set __Command=!_DebuggerFullPath! "!CORE_ROOT!\crossgen2\crossgen2.exe"
+    set __Command=!__Command! "!CORE_ROOT!\crossgen2\crossgen2.dll"
     set __Command=!__Command! @"!__ResponseFile!"
     set __Command=!__Command! !ExtraCrossGen2Args!
     echo !__InputFile!>>!__ResponseFile!

diff --git a/src/tests/Common/Directory.Build.targets b/src/tests/Common/Directory.Build.targets
@@ -18,7 +18,6 @@
     <CopyCoreDisToolsToCoreRoot Condition="$(GCStressDependsOnCoreDisTools) And '$(DotNetBuildSourceOnly)' != 'true'">true</CopyCoreDisToolsToCoreRoot>
     <!-- Non-desktop OS's use a custom dotnet host, instead of corerun -->
     <IsDesktopOS Condition="'$(TargetsBrowser)' != 'true' and '$(TargetsAndroid)' != 'true' and '$(TargetstvOS)' != 'true' and '$(TargetsiOS)' != 'true' and '$(TargetsMacCatalyst)' != 'true'">true</IsDesktopOS>
-    <Crossgen2Supported Condition="'$(RuntimeFlavor)' == 'coreclr' and '$(TestBuildMode)' != 'nativeaot'">true</Crossgen2Supported>
   </PropertyGroup>
 
   <Import Project="$(RepositoryEngineeringDir)coredistools.targets" Condition="$(CopyCoreDisToolsToCoreRoot)" />
@@ -35,47 +34,7 @@
   </ItemDefinitionGroup>
 
   <Target Name="CopyDependencyToCoreRoot"
-    DependsOnTargets="ResolveAssemblyReferences;ResolveRuntimeFilesFromLocalBuild">
-
-    <!-- Copy apphost to crossgen2_publish directory.
-        The default configuration between product and tests are flipped. When we build project like:
-        `build -c debug -rc checked`, the corresponding test command is `src/tests/build -checked -p:LibrariesConfiguration=debug`,
-        instead of `-debug -p:RuntimeConfiguration=checked`. That forces us to either pass the
-        `HostConfiguration=debug` explicitly or fix this disparity; both of which will break the dev workflow.
-
-        As a workaround, we will first check if the directory pointed by `HostConfiguration` exists, then check
-        `LibrariesConfiguration`.
-    -->
-
-    <PropertyGroup Condition="'$(Crossgen2Supported)' == 'true'">
-      <_targetOS>$(TargetOS)</_targetOS>
-      <_targetOS Condition="'$(_targetOS)' == 'windows'">win</_targetOS>
-      <_apphostPath Condition="Exists('$(ArtifactsBinDir)$(_targetOS)-$(TargetArchitecture).$(HostConfiguration)\corehost\apphost$(ExeSuffix)')">$(ArtifactsBinDir)$(_targetOS)-$(TargetArchitecture).$(HostConfiguration)\corehost\apphost$(ExeSuffix)</_apphostPath>
-      <_apphostPath Condition="'$(_apphostPath)' == '' and Exists('$(ArtifactsBinDir)$(_targetOS)-$(TargetArchitecture).$(LibrariesConfiguration)\corehost\apphost$(ExeSuffix)')">$(ArtifactsBinDir)$(_targetOS)-$(TargetArchitecture).$(LibrariesConfiguration)\corehost\apphost$(ExeSuffix)</_apphostPath>
-      <_toolsConfiguration Condition="Exists('$(ArtifactsBinDir)ILLink.Tasks\$(ToolsConfiguration)\$(NetCoreAppToolCurrent)\ILLink.Tasks.dll')">$(ToolsConfiguration)</_toolsConfiguration>
-      <_toolsConfiguration Condition="Exists('$(ArtifactsBinDir)ILLink.Tasks\$(LibrariesConfiguration)\$(NetCoreAppToolCurrent)\ILLink.Tasks.dll')">$(LibrariesConfiguration)</_toolsConfiguration>
-    </PropertyGroup>
-
-    <MakeDir Condition="'$(Crossgen2Supported)' == 'true'" Directories="$(ArtifactsObjDir)coreclr\crossgen2_publish\$(TargetOS).$(TargetArchitecture).$(RuntimeConfiguration)" />
-
-    <Copy
-      SourceFiles="$(_apphostPath)"
-      DestinationFiles="$(ArtifactsObjDir)coreclr\crossgen2_publish\$(TargetOS).$(TargetArchitecture).$(RuntimeConfiguration)\apphost$(ExeSuffix)"
-      Condition="'$(Crossgen2Supported)' == 'true'" />
-
-    <!-- Publish crossgen2 on supported platforms. -->
-
-    <MSBuild Condition="'$(Crossgen2Supported)' == 'true'"
-      Targets="Restore"
-      BuildInParallel="true"
-      Properties="NativeAotSupported=$(NativeAotSupported);UseNativeAotForComponents=$(UseNativeAotForComponents);ToolsConfiguration=$(_toolsConfiguration);MSBuildRestoreSessionId=$([System.Guid]::NewGuid());"
-      Projects="$(InstallerProjectRoot)pkg\sfx\Microsoft.NETCore.App\Microsoft.NETCore.App.Crossgen2.sfxproj" />
-
-    <MSBuild Condition="'$(Crossgen2Supported)' == 'true'"
-      Targets="PublishToDisk"
-      BuildInParallel="true"
-      Properties="NativeAotSupported=$(NativeAotSupported);UseNativeAotForComponents=$(UseNativeAotForComponents);ToolsConfiguration=$(_toolsConfiguration);OutputPath=$(CORE_ROOT)\crossgen2;"
-      Projects="$(InstallerProjectRoot)pkg\sfx\Microsoft.NETCore.App\Microsoft.NETCore.App.Crossgen2.sfxproj" />
+          DependsOnTargets="ResolveAssemblyReferences;ResolveRuntimeFilesFromLocalBuild">
 
     <ItemGroup>
       <RunTimeDependencyCopyLocal Include="@(RuntimeCopyLocalItems)" />
@@ -121,6 +80,11 @@
       <!-- Used by the Crossgen comparison job -->
       <RunTimeArtifactsIncludeFolders Include="IL/" TargetDir="IL/" />
 
+      <!-- Used for Crossgen2 R2R tests -->
+      <RunTimeArtifactsIncludeFolders Include="crossgen2/" TargetDir="crossgen2/">
+        <IncludeSubFolders>True</IncludeSubFolders>
+      </RunTimeArtifactsIncludeFolders>
+
       <!-- Used for NativeAOT tests -->
       <RunTimeArtifactsIncludeFolders Include="ilc-published/" TargetDir="ilc-published/">
         <IncludeSubFolders>True</IncludeSubFolders>
@@ -171,7 +135,7 @@
 
       <RunTimeDependencyCopyLocal
           Condition="'%(RuntimeArtifactsIncludeFolders.IncludeSubFolders)' == 'True'"
-          Include="$(CoreCLRArtifactsPath)%(RunTimeArtifactsIncludeFolders.Identity)**\*"
+          Include="$(CoreCLRArtifactsPath)%(RunTimeArtifactsIncludeFolders.Identity)**/*"
           Exclude="@(RunTimeArtifactsExcludeFiles -> '$(CoreCLRArtifactsPath)%(Identity)')"
           TargetDir="%(RunTimeArtifactsIncludeFolders.TargetDir)" />
     </ItemGroup>
@@ -259,7 +223,7 @@
 
     <Copy
       SourceFiles="@(RunTimeDependencyCopyLocal)"
-      DestinationFiles="@(RunTimeDependencyCopyLocal -> '$(CORE_ROOT)\%(TargetDir)%(RecursiveDir)%(Filename)%(Extension)')"
+      DestinationFiles="@(RunTimeDependencyCopyLocal -> '$(CORE_ROOT)/%(TargetDir)%(RecursiveDir)%(Filename)%(Extension)')"
       SkipUnchangedFiles="$(SkipCopyUnchangedFiles)"
       OverwriteReadOnlyFiles="$(OverwriteReadOnlyFiles)"
       Retries="$(CopyRetryCount)"

diff --git a/src/tests/baseservices/TieredCompilation/BasicTestWithMcj.csproj b/src/tests/baseservices/TieredCompilation/BasicTestWithMcj.csproj
@@ -35,7 +35,7 @@ set "DOTNET_GCStress="
 set "DOTNET_HeapVerify="
 set "DOTNET_ReadyToRun="
 
-"%CORE_ROOT%\crossgen2\crossgen2.exe" --out r2r\$(MSBuildProjectName).dll $(MSBuildProjectName).dll -r %CORE_ROOT%\*.dll
+"%CORE_ROOT%\corerun" %CORE_ROOT%\crossgen2\crossgen2.dll --out r2r\$(MSBuildProjectName).dll $(MSBuildProjectName).dll -r %CORE_ROOT%\*.dll
 
 endlocal
 set CLRCustomTestLauncher=RunBasicTestWithMcj.cmd --runCustomTest
@@ -47,7 +47,7 @@ mkdir r2r
 # Suppress some DOTNET variables for the duration of Crossgen2 execution
 export -n DOTNET_GCName DOTNET_GCStress DOTNET_HeapVerify DOTNET_ReadyToRun
 
-"$CORE_ROOT/crossgen2/crossgen2" --out r2r/$(MSBuildProjectName).dll $(MSBuildProjectName).dll -r $CORE_ROOT/*.dll
+"$CORE_ROOT/corerun" $CORE_ROOT/crossgen2/crossgen2.dll --out r2r/$(MSBuildProjectName).dll $(MSBuildProjectName).dll -r $CORE_ROOT/*.dll
 
 export DOTNET_GCName DOTNET_GCStress DOTNET_HeapVerify DOTNET_ReadyToRun
 chmod +x ./RunBasicTestWithMcj.sh

diff --git a/src/tests/build.proj b/src/tests/build.proj
@@ -651,6 +651,8 @@
       Condition="'$(__BuildTestWrappersOnly)' != '1' and '$(__CopyNativeTestBinaries)' != '1' and '$(__TestBuildMode)' == 'crossgen2' and !$(MonoAot) and !$(MonoFullAot)" >
 
     <PropertyGroup>
+      <CrossgenDir>$(__BinDir)\$(BuildArchitecture)</CrossgenDir>
+
       <CrossgenOutputDir>$(__TestIntermediatesDir)\crossgen.out</CrossgenOutputDir>
 
       <CrossgenCmd>$(DotNetCli)</CrossgenCmd>
@@ -670,7 +672,7 @@
       <CrossgenCmd Condition="'$(__CompositeBuildMode)' == ''">$(CrossgenCmd) --crossgen2-parallelism 1</CrossgenCmd>
 
       <CrossgenCmd>$(CrossgenCmd) --verify-type-and-field-layout</CrossgenCmd>
-      <CrossgenCmd>$(CrossgenCmd) --crossgen2-path "$(__BinDir)\$(BuildArchitecture)\crossgen2\tools\crossgen2.dll"</CrossgenCmd>
+      <CrossgenCmd>$(CrossgenCmd) --crossgen2-path "$(CrossgenDir)\crossgen2\tools\crossgen2.dll"</CrossgenCmd>
     </PropertyGroup>
 
     <Message Importance="High" Text="$(MsgPrefix)Compiling framework using Crossgen2: $(CrossgenCmd)" />

diff --git a/src/tests/readytorun/crossboundarylayout/buildcrossgen2image.cmd b/src/tests/readytorun/crossboundarylayout/buildcrossgen2image.cmd
@@ -48,36 +48,36 @@ goto Loop
 
 if "%COMPOSITENAME%"=="" goto done
 
-set BUILDCMD=%CORE_ROOT%\crossgen2\crossgen2.exe -r %CORE_ROOT%\* -r %TESTINITIALBINPATH%\*.dll -o %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%Composite.dll --composite %COMPILEARG%
+set BUILDCMD=%TESTBATCHROOT%\..\..\..\..\..\..\.dotnet\dotnet %CORE_ROOT%\crossgen2\crossgen2.dll -r %CORE_ROOT%\* -r %TESTINITIALBINPATH%\*.dll -o %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%Composite.dll --composite %COMPILEARG%
 echo %BUILDCMD% > %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%Composite.dll.log
 call %BUILDCMD% >> %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%Composite.dll.log 2>&1
 if NOT EXIST %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%Composite.dll del %TESTINITIALBINPATH%\%TESTTARGET_DIR%\a.dll
 goto done
 
 :CG2Single
 del %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%.dll
-set BUILDCMD=%CORE_ROOT%\crossgen2\crossgen2.exe -r %CORE_ROOT%\* -r %TESTINITIALBINPATH%\*.dll -o %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%.dll  %TESTINITIALBINPATH%\%COMPOSITENAME%.dll
+set BUILDCMD=%TESTBATCHROOT%\..\..\..\..\..\..\.dotnet\dotnet %CORE_ROOT%\crossgen2\crossgen2.dll -r %CORE_ROOT%\* -r %TESTINITIALBINPATH%\*.dll -o %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%.dll  %TESTINITIALBINPATH%\%COMPOSITENAME%.dll
 echo %BUILDCMD% > %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%.dll.log
 call %BUILDCMD% >> %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%.dll.log 2>&1
 goto done
 
 :CG2NoMethods
 del %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%.dll
-set BUILDCMD=%CORE_ROOT%\crossgen2\crossgen2.exe --compile-no-methods -r %CORE_ROOT%\* -r %TESTINITIALBINPATH%\*.dll -o %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%.dll  %TESTINITIALBINPATH%\%COMPOSITENAME%.dll
+set BUILDCMD=%TESTBATCHROOT%\..\..\..\..\..\..\.dotnet\dotnet %CORE_ROOT%\crossgen2\crossgen2.dll --compile-no-methods -r %CORE_ROOT%\* -r %TESTINITIALBINPATH%\*.dll -o %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%.dll  %TESTINITIALBINPATH%\%COMPOSITENAME%.dll
 echo %BUILDCMD% > %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%.dll.log
 call %BUILDCMD% >> %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%.dll.log 2>&1
 goto done
 
 :CG2SingleInputBubble
 del %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%.dll
-set BUILDCMD=%CORE_ROOT%\crossgen2\crossgen2.exe -r %CORE_ROOT%\* -r %TESTINITIALBINPATH%\*.dll -o %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%.dll --inputbubble %TESTINITIALBINPATH%\%COMPOSITENAME%.dll
+set BUILDCMD=%TESTBATCHROOT%\..\..\..\..\..\..\.dotnet\dotnet %CORE_ROOT%\crossgen2\crossgen2.dll -r %CORE_ROOT%\* -r %TESTINITIALBINPATH%\*.dll -o %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%.dll --inputbubble %TESTINITIALBINPATH%\%COMPOSITENAME%.dll
 echo %BUILDCMD% > %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%.dll.log
 call %BUILDCMD% >> %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%.dll.log 2>&1
 goto done
 
 :CG2SingleBubbleADOnly
 del %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%.dll
-set BUILDCMD=%CORE_ROOT%\crossgen2\crossgen2.exe -r %CORE_ROOT%\* -r %TESTINITIALBINPATH%\d.dll -o %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%.dll --inputbubble %TESTINITIALBINPATH%\%COMPOSITENAME%.dll
+set BUILDCMD=%TESTBATCHROOT%\..\..\..\..\..\..\.dotnet\dotnet %CORE_ROOT%\crossgen2\crossgen2.dll -r %CORE_ROOT%\* -r %TESTINITIALBINPATH%\d.dll -o %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%.dll --inputbubble %TESTINITIALBINPATH%\%COMPOSITENAME%.dll
 echo %BUILDCMD% > %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%.dll.log
 call %BUILDCMD% >> %TESTINITIALBINPATH%\%TESTTARGET_DIR%\%COMPOSITENAME%.dll.log 2>&1
 goto done