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RuntimeImports.cs
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RuntimeImports.cs
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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.
// See the LICENSE file in the project root for more information.
using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
using Internal.Runtime;
using Internal.Runtime.CompilerServices;
#if BIT64
using nuint = System.UInt64;
#else
using nuint = System.UInt32;
#endif
namespace System.Runtime
{
// CONTRACT with Runtime
// This class lists all the static methods that the redhawk runtime exports to a class library
// These are not expected to change much but are needed by the class library to implement its functionality
//
// The contents of this file can be modified if needed by the class library
// E.g., the class and methods are marked internal assuming that only the base class library needs them
// but if a class library wants to factor differently (such as putting the GCHandle methods in an
// optional library, those methods can be moved to a different file/namespace/dll
[ReflectionBlocked]
public static class RuntimeImports
{
private const string RuntimeLibrary = "[MRT]";
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhpSendCustomEventToDebugger")]
internal static extern void RhpSendCustomEventToDebugger(IntPtr payload, int length);
[DllImport(RuntimeLibrary, ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
internal static extern uint RhpGetFuncEvalParameterBufferSize();
[DllImport(RuntimeLibrary, ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
internal static extern uint RhpGetFuncEvalMode();
[DllImport(RuntimeLibrary, ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
internal static extern unsafe uint RhpRecordDebuggeeInitiatedHandle(void* objectHandle);
[DllImport(RuntimeLibrary, ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
internal static extern void RhpVerifyDebuggerCleanup();
[DllImport(RuntimeLibrary, ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
internal static extern IntPtr RhpGetCurrentThread();
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhpInitiateThreadAbort")]
internal static extern void RhpInitiateThreadAbort(IntPtr thread, Exception exception, bool doRudeAbort);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhpCancelThreadAbort")]
internal static extern void RhpCancelThreadAbort(IntPtr thread);
//
// calls to GC
// These methods are needed to implement System.GC like functionality (optional)
//
// Force a garbage collection.
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhCollect")]
internal static extern void RhCollect(int generation, InternalGCCollectionMode mode);
// Mark an object instance as already finalized.
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhSuppressFinalize")]
internal static extern void RhSuppressFinalize(Object obj);
internal static void RhReRegisterForFinalize(Object obj)
{
if (!_RhReRegisterForFinalize(obj))
throw new OutOfMemoryException();
}
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhReRegisterForFinalize")]
private static extern bool _RhReRegisterForFinalize(Object obj);
// Wait for all pending finalizers. This must be a p/invoke to avoid starving the GC.
[DllImport(RuntimeLibrary, ExactSpelling = true)]
private static extern void RhWaitForPendingFinalizers(int allowReentrantWait);
// Temporary workaround to unblock shareable assembly bring-up - without shared interop,
// we must prevent RhWaitForPendingFinalizers from using marshaling because it would
// rewrite System.Private.CoreLib to reference the non-shareable interop assembly. With shared interop,
// we will be able to remove this helper method and change the DllImport above
// to directly accept a boolean parameter.
internal static void RhWaitForPendingFinalizers(bool allowReentrantWait)
{
RhWaitForPendingFinalizers(allowReentrantWait ? 1 : 0);
}
// Get maximum GC generation number.
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetMaxGcGeneration")]
internal static extern int RhGetMaxGcGeneration();
// Get count of collections so far.
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetGcCollectionCount")]
internal static extern int RhGetGcCollectionCount(int generation, bool getSpecialGCCount);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetGeneration")]
internal static extern int RhGetGeneration(Object obj);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetGcLatencyMode")]
internal static extern GCLatencyMode RhGetGcLatencyMode();
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhSetGcLatencyMode")]
internal static extern int RhSetGcLatencyMode(GCLatencyMode newLatencyMode);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhIsServerGc")]
internal static extern bool RhIsServerGc();
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetGcTotalMemory")]
internal static extern long RhGetGcTotalMemory();
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetLohCompactionMode")]
internal static extern int RhGetLohCompactionMode();
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhSetLohCompactionMode")]
internal static extern void RhSetLohCompactionMode(int newLohCompactionMode);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetCurrentObjSize")]
internal static extern long RhGetCurrentObjSize();
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetGCNow")]
internal static extern long RhGetGCNow();
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetLastGCStartTime")]
internal static extern long RhGetLastGCStartTime(int generation);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetLastGCDuration")]
internal static extern long RhGetLastGCDuration(int generation);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhpRegisterFrozenSegment")]
internal static extern bool RhpRegisterFrozenSegment(IntPtr pSegmentStart, int length);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhRegisterForFullGCNotification")]
internal static extern bool RhRegisterForFullGCNotification(int maxGenerationThreshold, int largeObjectHeapThreshold);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhWaitForFullGCApproach")]
internal static extern int RhWaitForFullGCApproach(int millisecondsTimeout);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhWaitForFullGCComplete")]
internal static extern int RhWaitForFullGCComplete(int millisecondsTimeout);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhCancelFullGCNotification")]
internal static extern bool RhCancelFullGCNotification();
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhStartNoGCRegion")]
internal static extern int RhStartNoGCRegion(long totalSize, bool hasLohSize, long lohSize, bool disallowFullBlockingGC);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhEndNoGCRegion")]
internal static extern int RhEndNoGCRegion();
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhpShutdown")]
internal static extern void RhpShutdown();
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetGCSegmentSize")]
internal static extern ulong RhGetGCSegmentSize();
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetAllocatedBytesForCurrentThread")]
internal static extern long RhGetAllocatedBytesForCurrentThread();
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhCompareObjectContentsAndPadding")]
internal extern static bool RhCompareObjectContentsAndPadding(object obj1, object obj2);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetProcessCpuCount")]
internal static extern int RhGetProcessCpuCount();
//
// calls for GCHandle.
// These methods are needed to implement GCHandle class like functionality (optional)
//
// Allocate handle.
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhpHandleAlloc")]
private static extern IntPtr RhpHandleAlloc(Object value, GCHandleType type);
internal static IntPtr RhHandleAlloc(Object value, GCHandleType type)
{
IntPtr h = RhpHandleAlloc(value, type);
if (h == IntPtr.Zero)
throw new OutOfMemoryException();
return h;
}
// Allocate handle for dependent handle case where a secondary can be set at the same time.
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhpHandleAllocDependent")]
private static extern IntPtr RhpHandleAllocDependent(Object primary, Object secondary);
internal static IntPtr RhHandleAllocDependent(Object primary, Object secondary)
{
IntPtr h = RhpHandleAllocDependent(primary, secondary);
if (h == IntPtr.Zero)
throw new OutOfMemoryException();
return h;
}
// Allocate variable handle with its initial type.
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhpHandleAllocVariable")]
private static extern IntPtr RhpHandleAllocVariable(Object value, uint type);
internal static IntPtr RhHandleAllocVariable(Object value, uint type)
{
IntPtr h = RhpHandleAllocVariable(value, type);
if (h == IntPtr.Zero)
throw new OutOfMemoryException();
return h;
}
// Free handle.
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhHandleFree")]
internal static extern void RhHandleFree(IntPtr handle);
// Get object reference from handle.
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhHandleGet")]
private static extern Object _RhHandleGet(IntPtr handle);
internal static unsafe Object RhHandleGet(IntPtr handle)
{
#if DEBUG
// The runtime performs additional checks in debug builds
return _RhHandleGet(handle);
#else
return Unsafe.As<IntPtr, Object>(ref *(IntPtr*)handle);
#endif
}
// Get primary and secondary object references from dependent handle.
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhHandleGetDependent")]
internal static extern Object RhHandleGetDependent(IntPtr handle, out Object secondary);
// Set object reference into handle.
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhHandleSet")]
internal static extern void RhHandleSet(IntPtr handle, Object value);
// Set the secondary object reference into a dependent handle.
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhHandleSetDependentSecondary")]
internal static extern void RhHandleSetDependentSecondary(IntPtr handle, Object secondary);
// Get the handle type associated with a variable handle.
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhHandleGetVariableType")]
internal static extern uint RhHandleGetVariableType(IntPtr handle);
// Set the handle type associated with a variable handle.
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhHandleSetVariableType")]
internal static extern void RhHandleSetVariableType(IntPtr handle, uint type);
// Conditionally and atomically set the handle type associated with a variable handle if the current
// type is the one specified. Returns the previous handle type.
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhHandleCompareExchangeVariableType")]
internal static extern uint RhHandleCompareExchangeVariableType(IntPtr handle, uint oldType, uint newType);
//
// calls to runtime for type equality checks
//
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhTypeCast_AreTypesEquivalent")]
internal static extern bool AreTypesEquivalent(EETypePtr pType1, EETypePtr pType2);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhTypeCast_AreTypesAssignable")]
internal static extern bool AreTypesAssignable(EETypePtr pSourceType, EETypePtr pTargetType);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhTypeCast_CheckArrayStore")]
internal static extern void RhCheckArrayStore(Object array, Object obj);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhTypeCast_IsInstanceOf")]
internal static extern object IsInstanceOf(object obj, EETypePtr pTargetType);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhTypeCast_IsInstanceOfClass")]
internal static extern object IsInstanceOfClass(object obj, EETypePtr pTargetType);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhTypeCast_IsInstanceOfInterface")]
internal static extern object IsInstanceOfInterface(object obj, EETypePtr pTargetType);
//
// calls to runtime for allocation
// These calls are needed in types which cannot use "new" to allocate and need to do it manually
//
// calls to runtime for allocation
//
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhBoxAny")]
internal static extern unsafe object RhBoxAny(void* pData, EETypePtr pEEType);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhBoxAny")]
internal static extern unsafe object RhBoxAny(ref byte pData, EETypePtr pEEType);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhNewObject")]
internal static extern object RhNewObject(EETypePtr pEEType);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhNewArray")]
internal static extern Array RhNewArray(EETypePtr pEEType, int length);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhNewString")]
internal static extern String RhNewString(EETypePtr pEEType, int length);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhBox")]
internal static extern unsafe object RhBox(EETypePtr pEEType, void* pData);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhBox")]
internal static extern unsafe object RhBox(EETypePtr pEEType, ref byte data);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhUnbox")]
internal static extern unsafe void RhUnbox(object obj, void* pData, EETypePtr pUnboxToEEType);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhUnbox")]
internal static extern unsafe void RhUnbox(object obj, ref byte data, EETypePtr pUnboxToEEType);
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhMemberwiseClone")]
internal static extern object RhMemberwiseClone(object obj);
// Busy spin for the given number of iterations.
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhSpinWait")]
internal static extern void RhSpinWait(int iterations);
// Yield the cpu to another thread ready to process, if one is available.
[DllImport(RuntimeLibrary, EntryPoint = "RhYield", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
private static extern int _RhYield();
internal static bool RhYield() { return (_RhYield() != 0); }
[DllImport(RuntimeLibrary, EntryPoint = "RhFlushProcessWriteBuffers", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
internal static extern void RhFlushProcessWriteBuffers();
#if !PLATFORM_UNIX
// Wait for any object to be signalled, in a way that's compatible with the CLR's behavior in an STA.
// ExactSpelling = 'true' to force MCG to resolve it to default
[DllImport(RuntimeLibrary, ExactSpelling = true)]
private static extern unsafe int RhCompatibleReentrantWaitAny(int alertable, int timeout, int count, IntPtr* handles);
// Temporary workaround to unblock shareable assembly bring-up - without shared interop,
// we must prevent RhCompatibleReentrantWaitAny from using marshaling because it would
// rewrite System.Private.CoreLib to reference the non-shareable interop assembly. With shared interop,
// we will be able to remove this helper method and change the DllImport above
// to directly accept a boolean parameter and use the SetLastError = true modifier.
internal static unsafe int RhCompatibleReentrantWaitAny(bool alertable, int timeout, int count, IntPtr* handles)
{
return RhCompatibleReentrantWaitAny(alertable ? 1 : 0, timeout, count, handles);
}
#endif
//
// EEType interrogation methods.
//
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetGCDescSize")]
internal static extern int RhGetGCDescSize(EETypePtr eeType);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhCreateGenericInstanceDescForType2")]
internal static extern unsafe bool RhCreateGenericInstanceDescForType2(EETypePtr pEEType, int arity, int nonGcStaticDataSize,
int nonGCStaticDataOffset, int gcStaticDataSize, int threadStaticsOffset, void* pGcStaticsDesc, void* pThreadStaticsDesc, int* pGenericVarianceFlags);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhNewInterfaceDispatchCell")]
internal static extern unsafe IntPtr RhNewInterfaceDispatchCell(EETypePtr pEEType, int slotNumber);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhResolveDispatch")]
internal static extern IntPtr RhResolveDispatch(object pObject, EETypePtr pInterfaceType, ushort slot);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhpResolveInterfaceMethod")]
internal static extern IntPtr RhpResolveInterfaceMethod(object pObject, IntPtr pCell);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhCreateThunksHeap")]
internal static extern object RhCreateThunksHeap(IntPtr commonStubAddress);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhAllocateThunk")]
internal static extern IntPtr RhAllocateThunk(object thunksHeap);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhFreeThunk")]
internal static extern void RhFreeThunk(object thunksHeap, IntPtr thunkAddress);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhSetThunkData")]
internal static extern void RhSetThunkData(object thunksHeap, IntPtr thunkAddress, IntPtr context, IntPtr target);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhTryGetThunkData")]
internal static extern bool RhTryGetThunkData(object thunksHeap, IntPtr thunkAddress, out IntPtr context, out IntPtr target);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetThunkSize")]
internal static extern int RhGetThunkSize();
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetThreadLocalStorageForDynamicType")]
internal static extern IntPtr RhGetThreadLocalStorageForDynamicType(int index, int tlsStorageSize, int numTlsCells);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhResolveDispatchOnType")]
internal static extern IntPtr RhResolveDispatchOnType(EETypePtr instanceType, EETypePtr interfaceType, ushort slot);
// Keep in sync with RH\src\rtu\runtimeinstance.cpp
internal enum RuntimeHelperKind
{
AllocateObject,
IsInst,
CastClass,
AllocateArray,
CheckArrayElementType,
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetRuntimeHelperForType")]
internal static extern unsafe IntPtr RhGetRuntimeHelperForType(EETypePtr pEEType, RuntimeHelperKind kind);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetDispatchMapForType")]
internal static extern unsafe IntPtr RhGetDispatchMapForType(EETypePtr pEEType);
//
// Support for GC and HandleTable callouts.
//
internal enum GcRestrictedCalloutKind
{
StartCollection = 0, // Collection is about to begin
EndCollection = 1, // Collection has completed
AfterMarkPhase = 2, // All live objects are marked (not including ready for finalization objects),
// no handles have been cleared
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhRegisterGcCallout")]
internal static extern bool RhRegisterGcCallout(GcRestrictedCalloutKind eKind, IntPtr pCalloutMethod);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhUnregisterGcCallout")]
internal static extern void RhUnregisterGcCallout(GcRestrictedCalloutKind eKind, IntPtr pCalloutMethod);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhRegisterRefCountedHandleCallback")]
internal static extern bool RhRegisterRefCountedHandleCallback(IntPtr pCalloutMethod, EETypePtr pTypeFilter);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhUnregisterRefCountedHandleCallback")]
internal static extern void RhUnregisterRefCountedHandleCallback(IntPtr pCalloutMethod, EETypePtr pTypeFilter);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhIsPromoted")]
internal static extern bool RhIsPromoted(object obj);
//
// Blob support
//
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhFindBlob")]
private static extern unsafe bool RhFindBlob(ref TypeManagerHandle typeManagerHandle, uint blobId, byte** ppbBlob, uint* pcbBlob);
internal static unsafe bool RhFindBlob(TypeManagerHandle typeManagerHandle, uint blobId, byte** ppbBlob, uint* pcbBlob)
{
return RhFindBlob(ref typeManagerHandle, blobId, ppbBlob, pcbBlob);
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhpCreateTypeManager")]
internal static extern unsafe TypeManagerHandle RhpCreateTypeManager(IntPtr osModule, IntPtr moduleHeader, IntPtr* pClasslibFunctions, int nClasslibFunctions);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhpRegisterOsModule")]
internal static extern unsafe IntPtr RhpRegisterOsModule(IntPtr osModule);
[RuntimeImport(RuntimeLibrary, "RhpGetModuleSection")]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private static extern IntPtr RhGetModuleSection(ref TypeManagerHandle module, ReadyToRunSectionType section, out int length);
internal static IntPtr RhGetModuleSection(TypeManagerHandle module, ReadyToRunSectionType section, out int length)
{
return RhGetModuleSection(ref module, section, out length);
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetLoadedOSModules")]
internal static extern uint RhGetLoadedOSModules(IntPtr[] resultArray);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetOSModuleFromPointer")]
internal static extern IntPtr RhGetOSModuleFromPointer(IntPtr pointerVal);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetModuleFromEEType")]
internal static extern TypeManagerHandle RhGetModuleFromEEType(IntPtr pEEType);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetOSModuleFromEEType")]
internal static extern IntPtr RhGetOSModuleFromEEType(IntPtr pEEType);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetOSModuleForMrt")]
internal static extern IntPtr RhGetOSModuleForMrt();
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetThreadStaticFieldAddress")]
internal static extern unsafe byte* RhGetThreadStaticFieldAddress(EETypePtr pEEType, int threadStaticsBlockOffset, int fieldOffset);
#if !PROJECTN
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetThreadStaticStorageForModule")]
internal static unsafe extern Array RhGetThreadStaticStorageForModule(Int32 moduleIndex);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhSetThreadStaticStorageForModule")]
internal static unsafe extern bool RhSetThreadStaticStorageForModule(Array storage, Int32 moduleIndex);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhCurrentNativeThreadId")]
internal static unsafe extern IntPtr RhCurrentNativeThreadId();
#endif
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport("*", "RhGetCurrentThunkContext")]
internal static extern IntPtr GetCurrentInteropThunkContext();
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport("*", "RhGetCommonStubAddress")]
internal static extern IntPtr GetInteropCommonStubAddress();
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetCodeTarget")]
public static extern IntPtr RhGetCodeTarget(IntPtr pCode);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetJmpStubCodeTarget")]
internal static extern IntPtr RhGetJmpStubCodeTarget(IntPtr pCode);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetTargetOfUnboxingAndInstantiatingStub")]
public static extern IntPtr RhGetTargetOfUnboxingAndInstantiatingStub(IntPtr pCode);
//
// EH helpers
//
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetModuleFileName")]
#if PLATFORM_UNIX
internal static extern unsafe int RhGetModuleFileName(IntPtr moduleHandle, out byte* moduleName);
#else
internal static extern unsafe int RhGetModuleFileName(IntPtr moduleHandle, out char* moduleName);
#endif
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetExceptionsForCurrentThread")]
internal static extern unsafe bool RhGetExceptionsForCurrentThread(Exception[] outputArray, out int writtenCountOut);
// returns the previous value.
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhSetErrorInfoBuffer")]
internal static extern unsafe void* RhSetErrorInfoBuffer(void* pNewBuffer);
//
// StackTrace helper
//
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhFindMethodStartAddress")]
internal static extern unsafe IntPtr RhFindMethodStartAddress(IntPtr codeAddr);
// Fetch a (managed) stack trace. Fills in the given array with "return address IPs" for the current
// thread's (managed) stack (array index 0 will be the caller of this method). The return value is
// the number of frames in the stack or a negative number (representing the required array size) if
// the passed-in buffer is too small.
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetCurrentThreadStackTrace")]
internal static extern int RhGetCurrentThreadStackTrace(IntPtr[] outputBuffer);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetCurrentThreadStackBounds")]
internal static extern void RhGetCurrentThreadStackBounds(out IntPtr pStackLow, out IntPtr pStackHigh);
#if PLATFORM_UNIX
[MethodImpl(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhSetThreadExitCallback")]
internal static extern bool RhSetThreadExitCallback(IntPtr pCallback);
#endif
// Functions involved in thunks from managed to managed functions (Universal transition transitions
// from an arbitrary method call into a defined function, and CallDescrWorker goes the other way.
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhGetUniversalTransitionThunk")]
internal static extern IntPtr RhGetUniversalTransitionThunk();
// For Managed to Managed calls
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhCallDescrWorker")]
internal static extern void RhCallDescrWorker(IntPtr callDescr);
// For Managed to Native calls
[DllImport(RuntimeLibrary, EntryPoint = "RhCallDescrWorker", ExactSpelling = true)]
internal static extern void RhCallDescrWorkerNative(IntPtr callDescr);
// Moves memory from smem to dmem. Size must be a positive value.
// This copy uses an intrinsic to be safe for copying arbitrary bits of
// heap memory
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhBulkMoveWithWriteBarrier")]
internal static extern unsafe void RhBulkMoveWithWriteBarrier(ref byte dmem, ref byte smem, nuint size);
// The GC conservative reporting descriptor is a special structure of data that the GC
// parses to determine whether there are specific regions of memory that it should not
// collect or move around.
// This can only be used to report memory regions on the current stack and the structure must itself
// be located on the stack.
// This structure is contractually required to be 4 pointers in size. All details about
// the contents are abstracted into the runtime
// To use, place one of these structures on the stack, and then pass it by ref to a function
// which will pin the byref to create a pinned interior pointer.
// Then, call RhInitializeConservativeReportingRegion to mark the region as conservatively reported.
// When done, call RhDisableConservativeReportingRegion to disable conservative reporting, or
// simply let it be pulled off the stack.
internal struct ConservativelyReportedRegionDesc
{
private IntPtr _ptr1;
private IntPtr _ptr2;
private IntPtr _ptr3;
private IntPtr _ptr4;
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhInitializeConservativeReportingRegion")]
internal static extern unsafe void RhInitializeConservativeReportingRegion(ConservativelyReportedRegionDesc* regionDesc, void* bufferBegin, int cbBuffer);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhDisableConservativeReportingRegion")]
internal static extern unsafe void RhDisableConservativeReportingRegion(ConservativelyReportedRegionDesc* regionDesc);
//
// Strong name helpers
//
internal static byte[] ConvertPublicKeyToPublicKeyToken(byte[] publicKey)
{
const int PUBLIC_KEY_TOKEN_LEN = 8;
byte[] publicKeyToken = new byte[PUBLIC_KEY_TOKEN_LEN];
unsafe
{
fixed (byte* pPublicKey = publicKey)
{
fixed (byte* pPublicKeyToken = &publicKeyToken[0])
{
RhConvertPublicKeyToPublicKeyToken(pPublicKey, publicKey.Length, pPublicKeyToken, publicKeyToken.Length);
}
}
}
return publicKeyToken;
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhConvertPublicKeyToPublicKeyToken")]
private extern static unsafe void RhConvertPublicKeyToPublicKeyToken(byte* pbPublicKey, int cbPublicKey, byte* pbPublicKeyTokenOut, int cbPublicKeyTokenOut);
//
// ETW helpers.
//
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhpETWLogLiveCom")]
internal extern static void RhpETWLogLiveCom(int eventType, IntPtr CCWHandle, IntPtr objectID, IntPtr typeRawValue, IntPtr IUnknown, IntPtr VTable, Int32 comRefCount, Int32 jupiterRefCount, Int32 flags);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhpETWShouldWalkCom")]
internal extern static bool RhpETWShouldWalkCom();
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhpEtwExceptionThrown")]
internal extern static unsafe void RhpEtwExceptionThrown(char* exceptionTypeName, char* exceptionMessage, IntPtr faultingIP, long hresult);
#if !PROJECTN
//
// Interlocked helpers
//
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhpLockCmpXchg32")]
internal extern static int InterlockedCompareExchange(ref int location1, int value, int comparand);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhpLockCmpXchg64")]
internal extern static long InterlockedCompareExchange(ref long location1, long value, long comparand);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
#if BIT64
[RuntimeImport(RuntimeLibrary, "RhpLockCmpXchg64")]
#else
[RuntimeImport(RuntimeLibrary, "RhpLockCmpXchg32")]
#endif
internal extern static IntPtr InterlockedCompareExchange(ref IntPtr location1, IntPtr value, IntPtr comparand);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhpCheckedLockCmpXchg")]
internal extern static object InterlockedCompareExchange(ref object location1, object value, object comparand);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhpCheckedXchg")]
internal extern static object InterlockedExchange(ref object location1, object value);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "RhpMemoryBarrier")]
internal extern static void MemoryBarrier();
#endif // !PROJECTN
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "fabs")]
internal static extern double fabs(double x);
#if PROJECTN
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "fabsf")]
internal static extern float fabsf(float x);
#else
[Intrinsic]
internal static float fabsf(float x)
{
// fabsf is not a real export for some architectures
return (float)fabs(x);
}
#endif
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "acos")]
internal static extern double acos(double x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "acosf")]
internal static extern float acosf(float x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "acosh")]
internal static extern double acosh(double x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "acoshf")]
internal static extern float acoshf(float x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "asin")]
internal static extern double asin(double x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "asinf")]
internal static extern float asinf(float x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "asinh")]
internal static extern double asinh(double x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "asinhf")]
internal static extern float asinhf(float x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "atan")]
internal static extern double atan(double x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "atanf")]
internal static extern float atanf(float x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "atan2")]
internal static extern double atan2(double y, double x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "atan2f")]
internal static extern float atan2f(float y, float x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "atanh")]
internal static extern double atanh(double x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "atanhf")]
internal static extern float atanhf(float x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "cbrt")]
internal static extern double cbrt(double x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "cbrtf")]
internal static extern float cbrtf(float x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "ceil")]
internal static extern double ceil(double x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "ceilf")]
internal static extern float ceilf(float x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "cos")]
internal static extern double cos(double x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "cosf")]
internal static extern float cosf(float x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "cosh")]
internal static extern double cosh(double x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "coshf")]
internal static extern float coshf(float x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "exp")]
internal static extern double exp(double x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "expf")]
internal static extern float expf(float x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "floor")]
internal static extern double floor(double x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "floorf")]
internal static extern float floorf(float x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "log")]
internal static extern double log(double x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "logf")]
internal static extern float logf(float x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "log10")]
internal static extern double log10(double x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "log10f")]
internal static extern float log10f(float x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "pow")]
internal static extern double pow(double x, double y);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "powf")]
internal static extern float powf(float x, float y);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "sin")]
internal static extern double sin(double x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "sinf")]
internal static extern float sinf(float x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "sinh")]
internal static extern double sinh(double x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "sinhf")]
internal static extern float sinhf(float x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "sqrt")]
internal static extern double sqrt(double x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "sqrtf")]
internal static extern float sqrtf(float x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "tan")]
internal static extern double tan(double x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "tanf")]
internal static extern float tanf(float x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "tanh")]
internal static extern double tanh(double x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "tanhf")]
internal static extern float tanhf(float x);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "fmod")]
internal static extern double fmod(double x, double y);
[Intrinsic]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[RuntimeImport(RuntimeLibrary, "fmodf")]
internal static extern float fmodf(float x, float y);