Populate native runtime sources (dotnet#20)

From dotnet/corert at commit bb212a9d2083046724f48e206f47b7dfb78d9979.

src/coreclr/src/nativeaot/Bootstrap/CppCodeGen.h

@@ -0,0 +1,71 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+// CppCodeGen.h : Facilities for the C++ code generation backend
+
+#ifndef __CPP_CODE_GEN_H
+#define __CPP_CODE_GEN_H
+
+#define _CRT_SECURE_NO_WARNINGS
+
+#ifdef _MSC_VER
+// Warnings disabled for generated cpp code
+#pragma warning(disable:4200) // zero-sized array
+#pragma warning(disable:4101) // unreferenced local variable
+#pragma warning(disable:4102) // unreferenced label
+#pragma warning(disable:4244) // possible loss of data
+#pragma warning(disable:4717) // recursive on all control paths
+#pragma warning(disable:4307) // integral constant overflow
+#endif
+
+#ifdef _MSC_VER
+#define INT64VAL(x) (x##i64)
+#else
+#define INT64VAL(x) (x##LL)
+#endif
+
+#ifdef _MSC_VER
+#define CORERT_UNREACHABLE  __assume(0)
+#else
+#define CORERT_UNREACHABLE  __builtin_unreachable()
+#endif
+
+#ifdef _MSC_VER
+#define CORERT_THREAD __declspec(thread)
+#else
+#define CORERT_THREAD __thread
+#endif
+
+// Use the bit representation of uint64_t `v` as the bit representation of a double.
+inline double __uint64_to_double(uint64_t v)
+{
+    union
+    {
+        uint64_t u64;
+        double d;
+    } val;
+    val.u64 = v;
+    return val.d;
+}
+
+struct ReversePInvokeFrame
+{
+    void*   m_savedPInvokeTransitionFrame;
+    void*   m_savedThread;
+};
+
+struct PInvokeTransitionFrame
+{
+    void*       m_RIP;
+    void*       m_pThread;  // unused by stack crawler, this is so GetThread is only called once per method
+                            // can be an invalid pointer in universal transition cases (which never need to call GetThread)
+    uint32_t    m_Flags;  // PInvokeTransitionFrameFlags
+};
+
+// Should be synchronized with System.Private.CoreLib/src/System/Runtime/CompilerServices/StaticClassConstructionContext.cs
+struct StaticClassConstructionContext
+{
+    void*       m_cctorMethodAddress;
+    uint32_t    m_initialized;
+};
+#endif

src/coreclr/src/nativeaot/Bootstrap/common.cpp

@@ -0,0 +1,11 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+// common.cpp : source file that includes just the standard includes
+// testNative.pch will be the pre-compiled header
+// common.obj will contain the pre-compiled type information
+
+#include "common.h"
+
+// TODO: reference any additional headers you need in common.H
+// and not in this file

src/coreclr/src/nativeaot/Bootstrap/common.h

@@ -0,0 +1,106 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+// common.h : include file for standard system include files,
+// or project specific include files that are used frequently, but
+// are changed infrequently
+//
+
+#ifndef __COMMON_H
+#define __COMMON_H
+
+#define _CRT_SECURE_NO_WARNINGS
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+#include <assert.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <math.h>
+
+#include <new>
+
+#ifndef _WIN32
+#include <pthread.h>
+#endif
+
+using namespace std;
+
+class MethodTable;
+class Object;
+
+#ifdef _MSC_VER
+#define __NORETURN __declspec(noreturn)
+#else
+#define __NORETURN __attribute((noreturn))
+#endif
+
+int __initialize_runtime();
+void __shutdown_runtime();
+
+extern "C" Object * __allocate_object(MethodTable * pMT);
+extern "C" Object * __allocate_array(size_t elements, MethodTable * pMT);
+extern "C" Object * __castclass(MethodTable * pMT, void * obj);
+extern "C" Object * __isinst(MethodTable * pMT, void * obj);
+extern "C" __NORETURN void __throw_exception(void * pEx);
+extern "C" void __debug_break();
+
+Object * __load_string_literal(const char * string);
+
+extern "C" void __range_check_fail();
+
+inline void __range_check(void * a, size_t elem)
+{
+    if (elem >= *((size_t*)a + 1))
+        __range_check_fail();
+}
+
+Object * __get_commandline_args(int argc, char * argv[]);
+
+// POD version of EEType to use for static initialization
+struct RawEEType
+{
+    uint16_t    m_componentSize;
+    uint16_t    m_flags;
+    uint32_t    m_baseSize;
+    MethodTable * m_pBaseType;
+    uint16_t    m_usNumVtableSlots;
+    uint16_t    m_usNumInterfaces;
+    uint32_t    m_uHashCode;
+};
+
+struct ReversePInvokeFrame;
+
+void __reverse_pinvoke(ReversePInvokeFrame* pRevFrame);
+void __reverse_pinvoke_return(ReversePInvokeFrame* pRevFrame);
+
+struct PInvokeTransitionFrame;
+
+void __pinvoke(PInvokeTransitionFrame* pFrame);
+void __pinvoke_return(PInvokeTransitionFrame* pFrame);
+
+typedef size_t UIntNative;
+
+inline bool IS_ALIGNED(UIntNative val, UIntNative alignment)
+{
+    //ASSERT(0 == (alignment & (alignment - 1)));
+    return 0 == (val & (alignment - 1));
+}
+
+template <typename T>
+inline bool IS_ALIGNED(T* val, UIntNative alignment)
+{
+    //ASSERT(0 == (alignment & (alignment - 1)));
+    return IS_ALIGNED(reinterpret_cast<UIntNative>(val), alignment);
+}
+
+#define RAW_MIN_OBJECT_SIZE (3*sizeof(void*))
+
+#define AlignBaseSize(s) ((s < RAW_MIN_OBJECT_SIZE) ? RAW_MIN_OBJECT_SIZE : ((s + (sizeof(void*)-1) & ~(sizeof(void*)-1))))
+
+#define ARRAY_BASE (2*sizeof(void*))
+
+#endif // __COMMON_H