Populate NativeAOT sources from runtimelab

src/coreclr/nativeaot/Bootstrap/CMakeLists.txt

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+add_subdirectory(base)
+add_subdirectory(dll)

src/coreclr/nativeaot/Bootstrap/base/CMakeLists.txt

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+project(bootstrapper)
+
+set(SOURCES
+    ../main.cpp
+)
+
+add_library(bootstrapper STATIC ${SOURCES})
+
+install_static_library(bootstrapper aotsdk nativeaot)
+
+if (CLR_CMAKE_TARGET_WIN32)
+  add_library(bootstrapper.GuardCF STATIC ${SOURCES})
+  install_static_library(bootstrapper.GuardCF aotsdk nativeaot)
+  target_compile_options(bootstrapper.GuardCF PRIVATE $<$<OR:$<COMPILE_LANGUAGE:C>,$<COMPILE_LANGUAGE:CXX>>:/guard:cf>)
+endif()

src/coreclr/nativeaot/Bootstrap/dll/CMakeLists.txt

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+project(bootstrapperdll)
+
+add_definitions(-DCORERT_DLL)
+
+set(SOURCES
+    ../main.cpp
+)
+
+add_library(bootstrapperdll STATIC ${SOURCES})
+
+install_static_library(bootstrapperdll aotsdk nativeaot)
+
+if (CLR_CMAKE_TARGET_WIN32)
+  add_library(bootstrapperdll.GuardCF STATIC ${SOURCES})
+  install_static_library(bootstrapperdll.GuardCF aotsdk nativeaot)
+  target_compile_options(bootstrapperdll.GuardCF PRIVATE $<$<OR:$<COMPILE_LANGUAGE:C>,$<COMPILE_LANGUAGE:CXX>>:/guard:cf>)
+endif()

src/coreclr/nativeaot/Bootstrap/main.cpp

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+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+#include <stdint.h>
+
+//
+// This is the mechanism whereby multiple linked modules contribute their global data for initialization at
+// startup of the application.
+//
+// ILC creates sections in the output obj file to mark the beginning and end of merged global data.
+// It defines sentinel symbols that are used to get the addresses of the start and end of global data
+// at runtime. The section names are platform-specific to match platform-specific linker conventions.
+//
+#if defined(_MSC_VER)
+
+#pragma section(".modules$A", read)
+#pragma section(".modules$Z", read)
+extern "C" __declspec(allocate(".modules$A")) void * __modules_a[];
+extern "C" __declspec(allocate(".modules$Z")) void * __modules_z[];
+
+__declspec(allocate(".modules$A")) void * __modules_a[] = { nullptr };
+__declspec(allocate(".modules$Z")) void * __modules_z[] = { nullptr };
+
+//
+// Each obj file compiled from managed code has a .modules$I section containing a pointer to its ReadyToRun
+// data (which points at eager class constructors, frozen strings, etc).
+//
+// The #pragma ... /merge directive folds the book-end sections and all .modules$I sections from all input
+// obj files into .rdata in alphabetical order.
+//
+#pragma comment(linker, "/merge:.modules=.rdata")
+
+//
+// Unboxing stubs need to be merged, folded and sorted. They are delimited by two special sections (.unbox$A
+// and .unbox$Z). All unboxing stubs are in .unbox$M sections.
+//
+#pragma comment(linker, "/merge:.unbox=.text")
+
+char _bookend_a;
+char _bookend_z;
+
+//
+// Generate bookends for the managed code section.
+// We give them unique bodies to prevent folding.
+//
+
+#pragma code_seg(".managedcode$A")
+void* __managedcode_a() { return &_bookend_a; }
+#pragma code_seg(".managedcode$Z")
+void* __managedcode_z() { return &_bookend_z; }
+#pragma code_seg()
+
+//
+// Generate bookends for the unboxing stub section.
+// We give them unique bodies to prevent folding.
+//
+
+#pragma code_seg(".unbox$A")
+void* __unbox_a() { return &_bookend_a; }
+#pragma code_seg(".unbox$Z")
+void* __unbox_z() { return &_bookend_z; }
+#pragma code_seg()
+
+#else // _MSC_VER
+
+#if defined(__APPLE__)
+
+extern void * __modules_a[] __asm("section$start$__DATA$__modules");
+extern void * __modules_z[] __asm("section$end$__DATA$__modules");
+extern char __managedcode_a __asm("section$start$__TEXT$__managedcode");
+extern char __managedcode_z __asm("section$end$__TEXT$__managedcode");
+extern char __unbox_a __asm("section$start$__TEXT$__unbox");
+extern char __unbox_z __asm("section$end$__TEXT$__unbox");
+
+#else // __APPLE__
+
+extern "C" void * __start___modules[];
+extern "C" void * __stop___modules[];
+static void * (&__modules_a)[] = __start___modules;
+static void * (&__modules_z)[] = __stop___modules;
+
+extern "C" char __start___managedcode;
+extern "C" char __stop___managedcode;
+static char& __managedcode_a = __start___managedcode;
+static char& __managedcode_z = __stop___managedcode;
+
+extern "C" char __start___unbox;
+extern "C" char __stop___unbox;
+static char& __unbox_a = __start___unbox;
+static char& __unbox_z = __stop___unbox;
+
+#endif // __APPLE__
+
+#endif // _MSC_VER
+
+extern "C" bool RhInitialize();
+extern "C" void RhpEnableConservativeStackReporting();
+extern "C" void RhpShutdown();
+extern "C" void RhSetRuntimeInitializationCallback(int (*fPtr)());
+
+extern "C" bool RhRegisterOSModule(void * pModule,
+    void * pvManagedCodeStartRange, uint32_t cbManagedCodeRange,
+    void * pvUnboxingStubsStartRange, uint32_t cbUnboxingStubsRange,
+    void ** pClasslibFunctions, uint32_t nClasslibFunctions);
+
+extern "C" void* PalGetModuleHandleFromPointer(void* pointer);
+
+extern "C" void GetRuntimeException();
+extern "C" void FailFast();
+extern "C" void AppendExceptionStackFrame();
+extern "C" void GetSystemArrayEEType();
+extern "C" void OnFirstChanceException();
+extern "C" void OnUnhandledException();
+extern "C" void IDynamicCastableIsInterfaceImplemented();
+extern "C" void IDynamicCastableGetInterfaceImplementation();
+
+typedef void(*pfn)();
+
+static const pfn c_classlibFunctions[] = {
+    &GetRuntimeException,
+    &FailFast,
+    nullptr, // &UnhandledExceptionHandler,
+    &AppendExceptionStackFrame,
+    nullptr, // &CheckStaticClassConstruction,
+    &GetSystemArrayEEType,
+    &OnFirstChanceException,
+    &OnUnhandledException,
+    &IDynamicCastableIsInterfaceImplemented,
+    &IDynamicCastableGetInterfaceImplementation,
+};
+
+#ifndef _countof
+#define _countof(_array) (sizeof(_array)/sizeof(_array[0]))
+#endif
+
+extern "C" void InitializeModules(void* osModule, void ** modules, int count, void ** pClasslibFunctions, int nClasslibFunctions);
+
+#ifndef CORERT_DLL
+#define CORERT_ENTRYPOINT __managed__Main
+#if defined(_WIN32)
+extern "C" int __managed__Main(int argc, wchar_t* argv[]);
+#else
+extern "C" int __managed__Main(int argc, char* argv[]);
+#endif
+#else
+#define CORERT_ENTRYPOINT __managed__Startup
+extern "C" void __managed__Startup();
+#endif // !CORERT_DLL
+
+static int InitializeRuntime()
+{
+    if (!RhInitialize())
+        return -1;
+
+    // RhpEnableConservativeStackReporting();
+
+    void * osModule = PalGetModuleHandleFromPointer((void*)&CORERT_ENTRYPOINT);
+
+    // TODO: pass struct with parameters instead of the large signature of RhRegisterOSModule
+    if (!RhRegisterOSModule(
+        osModule,
+        (void*)&__managedcode_a, (uint32_t)((char *)&__managedcode_z - (char*)&__managedcode_a),
+        (void*)&__unbox_a, (uint32_t)((char *)&__unbox_z - (char*)&__unbox_a),
+        (void **)&c_classlibFunctions, _countof(c_classlibFunctions)))
+    {
+        return -1;
+    }
+
+    InitializeModules(osModule, __modules_a, (int)((__modules_z - __modules_a)), (void **)&c_classlibFunctions, _countof(c_classlibFunctions));
+
+#ifdef CORERT_DLL
+    // Run startup method immediately for a native library
+    __managed__Startup();
+#endif // CORERT_DLL
+
+    return 0;
+}
+
+#ifndef CORERT_DLL
+
+#ifdef ENSURE_PRIMARY_STACK_SIZE
+__attribute__((noinline, optnone))
+static void EnsureStackSize(int stackSize)
+{
+    volatile char* s = (char*)_alloca(stackSize);
+    *s = 0;
+}
+#endif // ENSURE_PRIMARY_STACK_SIZE
+
+#if defined(_WIN32)
+int __cdecl wmain(int argc, wchar_t* argv[])
+#else
+int main(int argc, char* argv[])
+#endif
+{
+#ifdef ENSURE_PRIMARY_STACK_SIZE
+    // TODO: https://github.com/dotnet/runtimelab/issues/791
+    EnsureStackSize(1536 * 1024);
+#endif
+
+    int initval = InitializeRuntime();
+    if (initval != 0)
+        return initval;
+
+    int retval = __managed__Main(argc, argv);
+
+    RhpShutdown();
+
+    return retval;
+}
+#endif // !CORERT_DLL
+
+#ifdef CORERT_DLL
+static struct InitializeRuntimePointerHelper
+{
+    InitializeRuntimePointerHelper()
+    {
+        RhSetRuntimeInitializationCallback(&InitializeRuntime);
+    }
+} initializeRuntimePointerHelper;
+
+extern "C" void* CoreRT_StaticInitialization();
+
+void* CoreRT_StaticInitialization()
+{
+    return &initializeRuntimePointerHelper;
+}
+#endif // CORERT_DLL

src/coreclr/nativeaot/BuildIntegration/BuildFrameworkNativeObjects.proj

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+<Project DefaultTargets="CreateLib" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <PropertyGroup>
+    <IlcCompileDependsOn>ComputeIlcCompileInputs;BuildOneFrameworkLibrary;SetupOSSpecificProps</IlcCompileDependsOn>
+    <CreateLibDependsOn>BuildAllFrameworkLibrariesAsSingleLib</CreateLibDependsOn>
+    <IlcMultiModule>true</IlcMultiModule>
+    <NativeIntermediateOutputPath Condition="'$(FrameworkObjPath)' != ''">$(FrameworkObjPath)\</NativeIntermediateOutputPath>
+    <BuildingFrameworkLibrary>true</BuildingFrameworkLibrary>
+    <Optimize Condition="'$(Configuration)' == 'Release' and '$(Optimize)' == ''">true</Optimize>
+    <DebugSymbols Condition="'$(DebugSymbols)' == ''">true</DebugSymbols>
+  </PropertyGroup>
+
+  <Import Project="$(MSBuildThisFileDirectory)\Microsoft.DotNet.ILCompiler.targets" Condition="'$(IlcCalledViaPackage)' == 'true'" />
+  <Import Project="Microsoft.NETCore.Native.targets" Condition="'$(IlcCalledViaPackage)' == ''" />
+
+  <Target Name="BuildAllFrameworkLibraries"
+    Inputs="@(DefaultFrameworkAssemblies)"
+    Outputs="@(DefaultFrameworkAssemblies->'$(NativeIntermediateOutputPath)\%(Filename)$(NativeObjectExt)')">
+    <ItemGroup>
+      <ProjectToBuild Include="$(MSBuildProjectFullPath)">
+        <AdditionalProperties>
+          LibraryToCompile=%(DefaultFrameworkAssemblies.Identity)
+        </AdditionalProperties>
+      </ProjectToBuild>
+    </ItemGroup>
+    <MSBuild Projects="@(ProjectToBuild)" Targets="IlcCompile" BuildInParallel="true" />
+  </Target>
+
+  <Target Name="BuildAllFrameworkLibrariesAsSingleLib"
+    DependsOnTargets="BuildAllFrameworkLibraries">
+
+    <ItemGroup>
+      <LibInputs Include="$(NativeIntermediateOutputPath)\*$(NativeObjectExt)" />
+    </ItemGroup>
+  </Target>
+
+  <Target Name="BuildOneFrameworkLibrary">
+    <PropertyGroup>
+      <IlcGenerateMetadataLog>true</IlcGenerateMetadataLog>
+    </PropertyGroup>
+    <ItemGroup>
+      <ManagedBinary Include="$(LibraryToCompile)" />
+      <IlcCompileInput Include="@(ManagedBinary)" />
+    </ItemGroup>
+  </Target>
+
+</Project>

src/coreclr/nativeaot/BuildIntegration/BuildIntegration.proj

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+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003" DefaultTargets="Build">
+  <Import Project="../Directory.Build.props" />
+
+  <PropertyGroup>
+    <OutputPath>$(RuntimeBinDir)/build/</OutputPath>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Content Include="*.*" Exclude="$(MSBuildProjectFile)" />
+  </ItemGroup>
+
+  <Target Name="Build">
+    <Copy SourceFiles="@(Content)" DestinationFolder="$(OutputPath)" />
+  </Target>
+
+  <Target Name="Restore" />
+</Project>