// 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. #include "common.h" #include "corhdr.h" #include "runtimehandles.h" #include "object.h" #include "class.h" #include "method.hpp" #include "typehandle.h" #include "field.h" #include "siginfo.hpp" #include "clsload.hpp" #include "typestring.h" #include "typeparse.h" #include "holder.h" #include "codeman.h" #include "corhlpr.h" #include "jitinterface.h" #include "eeconfig.h" #include "eehash.h" #include "interoputil.h" #include "typedesc.h" #include "virtualcallstub.h" #include "contractimpl.h" #include "dynamicmethod.h" #include "peimagelayout.inl" #include "eventtrace.h" #include "invokeutil.h" BOOL QCALLTYPE MdUtf8String::EqualsCaseInsensitive(LPCUTF8 szLhs, LPCUTF8 szRhs, INT32 stringNumBytes) { QCALL_CONTRACT; // Important: the string in pSsz isn't null terminated so the length must be used // when performing operations on the string. BOOL fStringsEqual = FALSE; BEGIN_QCALL; _ASSERTE(CheckPointer(szLhs)); _ASSERTE(CheckPointer(szRhs)); // At this point, both the left and right strings are guaranteed to have the // same length. StackSString lhs(SString::Utf8, szLhs, stringNumBytes); StackSString rhs(SString::Utf8, szRhs, stringNumBytes); // We can use SString for simple case insensitive compares fStringsEqual = lhs.EqualsCaseInsensitive(rhs); END_QCALL; return fStringsEqual; } ULONG QCALLTYPE MdUtf8String::HashCaseInsensitive(LPCUTF8 sz, INT32 stringNumBytes) { QCALL_CONTRACT; // Important: the string in pSsz isn't null terminated so the length must be used // when performing operations on the string. ULONG hashValue = 0; BEGIN_QCALL; StackSString str(SString::Utf8, sz, stringNumBytes); hashValue = str.HashCaseInsensitive(); END_QCALL; return hashValue; } static BOOL CheckCAVisibilityFromDecoratedType(MethodTable* pCAMT, MethodDesc* pCACtor, MethodTable* pDecoratedMT, Module* pDecoratedModule) { CONTRACTL { THROWS; GC_TRIGGERS; MODE_ANY; PRECONDITION(CheckPointer(pCAMT)); PRECONDITION(CheckPointer(pCACtor, NULL_OK)); PRECONDITION(CheckPointer(pDecoratedMT, NULL_OK)); PRECONDITION(CheckPointer(pDecoratedModule)); } CONTRACTL_END; DWORD dwAttr = mdPublic; if (pCACtor != NULL) { _ASSERTE(pCACtor->IsCtor()); dwAttr = pCACtor->GetAttrs(); } StaticAccessCheckContext accessContext(NULL, pDecoratedMT, pDecoratedModule->GetAssembly()); return ClassLoader::CanAccess( &accessContext, pCAMT, pCAMT->GetAssembly(), dwAttr, pCACtor, NULL, *AccessCheckOptions::s_pNormalAccessChecks); } BOOL QCALLTYPE RuntimeMethodHandle::IsCAVisibleFromDecoratedType( QCall::TypeHandle targetTypeHandle, MethodDesc * pTargetCtor, QCall::TypeHandle sourceTypeHandle, QCall::ModuleHandle sourceModuleHandle) { QCALL_CONTRACT; BOOL bResult = TRUE; BEGIN_QCALL; TypeHandle sourceHandle = sourceTypeHandle.AsTypeHandle(); TypeHandle targetHandle = targetTypeHandle.AsTypeHandle(); _ASSERTE((sourceHandle.IsNull() || !sourceHandle.IsTypeDesc()) && !targetHandle.IsNull() && !targetHandle.IsTypeDesc()); if (sourceHandle.IsTypeDesc() || targetHandle.IsNull() || targetHandle.IsTypeDesc()) COMPlusThrowArgumentNull(NULL, W("Arg_InvalidHandle")); bResult = CheckCAVisibilityFromDecoratedType(targetHandle.AsMethodTable(), pTargetCtor, sourceHandle.AsMethodTable(), sourceModuleHandle); END_QCALL; return bResult; } // static NOINLINE static ReflectClassBaseObject* GetRuntimeTypeHelper(LPVOID __me, TypeHandle typeHandle, OBJECTREF keepAlive) { FC_INNER_PROLOG_NO_ME_SETUP(); if (typeHandle.AsPtr() == NULL) return NULL; // RuntimeTypeHandle::GetRuntimeType has picked off the most common case, but does not cover array types. // Before we do the really heavy weight option of setting up a helper method frame, check if we have to. OBJECTREF refType = typeHandle.GetManagedClassObjectFast(); if (refType != NULL) return (ReflectClassBaseObject*)OBJECTREFToObject(refType); HELPER_METHOD_FRAME_BEGIN_RET_ATTRIB_1(Frame::FRAME_ATTR_EXACT_DEPTH|Frame::FRAME_ATTR_CAPTURE_DEPTH_2, keepAlive); refType = typeHandle.GetManagedClassObject(); HELPER_METHOD_FRAME_END(); FC_INNER_EPILOG(); return (ReflectClassBaseObject*)OBJECTREFToObject(refType); } #define RETURN_CLASS_OBJECT(typeHandle, keepAlive) FC_INNER_RETURN(ReflectClassBaseObject*, GetRuntimeTypeHelper(__me, typeHandle, keepAlive)) NOINLINE ReflectModuleBaseObject* GetRuntimeModuleHelper(LPVOID __me, Module *pModule, OBJECTREF keepAlive) { FC_INNER_PROLOG_NO_ME_SETUP(); if (pModule == NULL) return NULL; DomainFile * pDomainFile = pModule->GetDomainFile(); OBJECTREF refModule = (pDomainFile != NULL) ? pDomainFile->GetExposedModuleObjectIfExists() : NULL; if(refModule != NULL) return (ReflectModuleBaseObject*)OBJECTREFToObject(refModule); HELPER_METHOD_FRAME_BEGIN_RET_ATTRIB_1(Frame::FRAME_ATTR_EXACT_DEPTH|Frame::FRAME_ATTR_CAPTURE_DEPTH_2, keepAlive); refModule = pModule->GetExposedObject(); HELPER_METHOD_FRAME_END(); FC_INNER_EPILOG(); return (ReflectModuleBaseObject*)OBJECTREFToObject(refModule); } NOINLINE AssemblyBaseObject* GetRuntimeAssemblyHelper(LPVOID __me, DomainAssembly *pAssembly, OBJECTREF keepAlive) { FC_INNER_PROLOG_NO_ME_SETUP(); if (pAssembly == NULL) return NULL; OBJECTREF refAssembly = (pAssembly != NULL) ? pAssembly->GetExposedAssemblyObjectIfExists() : NULL; if(refAssembly != NULL) return (AssemblyBaseObject*)OBJECTREFToObject(refAssembly); HELPER_METHOD_FRAME_BEGIN_RET_ATTRIB_1(Frame::FRAME_ATTR_EXACT_DEPTH|Frame::FRAME_ATTR_CAPTURE_DEPTH_2, keepAlive); refAssembly = pAssembly->GetExposedAssemblyObject(); HELPER_METHOD_FRAME_END(); FC_INNER_EPILOG(); return (AssemblyBaseObject*)OBJECTREFToObject(refAssembly); } // This is the routine that is called by the 'typeof()' operator in C#. It is one of the most commonly used // reflection operations. This call should be optimized away in nearly all situations FCIMPL1_V(ReflectClassBaseObject*, RuntimeTypeHandle::GetTypeFromHandle, FCALLRuntimeTypeHandle th) { FCALL_CONTRACT; FCUnique(0x31); return FCALL_RTH_TO_REFLECTCLASS(th); } FCIMPLEND FCIMPL1(ReflectClassBaseObject*, RuntimeTypeHandle::GetRuntimeType, EnregisteredTypeHandle th) { FCALL_CONTRACT; TypeHandle typeHandle = TypeHandle::FromPtr(th); _ASSERTE(CheckPointer(typeHandle.AsPtr(), NULL_OK)); if (typeHandle.AsPtr()!= NULL) { if (!typeHandle.IsTypeDesc()) { OBJECTREF typePtr = typeHandle.AsMethodTable()->GetManagedClassObjectIfExists(); if (typePtr != NULL) { return (ReflectClassBaseObject*)OBJECTREFToObject(typePtr); } } } else return NULL; RETURN_CLASS_OBJECT(typeHandle, NULL); } FCIMPLEND FCIMPL1_V(EnregisteredTypeHandle, RuntimeTypeHandle::GetValueInternal, FCALLRuntimeTypeHandle RTH) { FCALL_CONTRACT; if (FCALL_RTH_TO_REFLECTCLASS(RTH) == NULL) return 0; return FCALL_RTH_TO_REFLECTCLASS(RTH) ->GetType().AsPtr(); } FCIMPLEND FCIMPL2(FC_BOOL_RET, RuntimeTypeHandle::IsEquivalentTo, ReflectClassBaseObject *rtType1UNSAFE, ReflectClassBaseObject *rtType2UNSAFE) { FCALL_CONTRACT; REFLECTCLASSBASEREF rtType1 = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(rtType1UNSAFE); REFLECTCLASSBASEREF rtType2 = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(rtType2UNSAFE); BOOL areEquivalent = FALSE; HELPER_METHOD_FRAME_BEGIN_RET_2(rtType1, rtType2); if (rtType1 != NULL && rtType2 != NULL) areEquivalent = rtType1->GetType().IsEquivalentTo(rtType2->GetType()); HELPER_METHOD_FRAME_END(); FC_RETURN_BOOL(areEquivalent); } FCIMPLEND // TypeEqualsHelper and TypeNotEqualsHelper are almost identical. // Unfortunately we cannot combime them because they need to hardcode the caller's name NOINLINE static BOOL TypeEqualSlow(OBJECTREF refL, OBJECTREF refR, LPVOID __me) { BOOL ret = FALSE; FC_INNER_PROLOG_NO_ME_SETUP(); _ASSERTE(refL != NULL && refR != NULL); HELPER_METHOD_FRAME_BEGIN_RET_ATTRIB_2(Frame::FRAME_ATTR_EXACT_DEPTH|Frame::FRAME_ATTR_CAPTURE_DEPTH_2, refL, refR); MethodDescCallSite TypeEqualsMethod(METHOD__OBJECT__EQUALS, &refL); ARG_SLOT args[] = { ObjToArgSlot(refL), ObjToArgSlot(refR) }; ret = TypeEqualsMethod.Call_RetBool(args); HELPER_METHOD_FRAME_END(); FC_INNER_EPILOG(); return ret; } #include FCIMPL2(FC_BOOL_RET, RuntimeTypeHandle::TypeEQ, Object* left, Object* right) { FCALL_CONTRACT; OBJECTREF refL = (OBJECTREF)left; OBJECTREF refR = (OBJECTREF)right; if (refL == refR) { FC_RETURN_BOOL(TRUE); } if (!refL || !refR) { FC_RETURN_BOOL(FALSE); } if ((refL->GetMethodTable() == g_pRuntimeTypeClass || refR->GetMethodTable() == g_pRuntimeTypeClass)) { // Quick path for negative common case FC_RETURN_BOOL(FALSE); } // The fast path didn't get us the result // Let's try the slow path: refL.Equals(refR); FC_INNER_RETURN(FC_BOOL_RET, (FC_BOOL_RET)(!!TypeEqualSlow(refL, refR, __me))); } FCIMPLEND FCIMPL2(FC_BOOL_RET, RuntimeTypeHandle::TypeNEQ, Object* left, Object* right) { FCALL_CONTRACT; OBJECTREF refL = (OBJECTREF)left; OBJECTREF refR = (OBJECTREF)right; if (refL == refR) { FC_RETURN_BOOL(FALSE); } if (!refL || !refR) { FC_RETURN_BOOL(TRUE); } if ((refL->GetMethodTable() == g_pRuntimeTypeClass || refR->GetMethodTable() == g_pRuntimeTypeClass)) { // Quick path for negative common case FC_RETURN_BOOL(TRUE); } // The fast path didn't get us the result // Let's try the slow path: refL.Equals(refR); FC_INNER_RETURN(FC_BOOL_RET, (FC_BOOL_RET)(!TypeEqualSlow(refL, refR, __me))); } FCIMPLEND #include #ifdef FEATURE_COMINTEROP FCIMPL1(FC_BOOL_RET, RuntimeTypeHandle::IsWindowsRuntimeObjectType, ReflectClassBaseObject *rtTypeUNSAFE) { FCALL_CONTRACT; BOOL isWindowsRuntimeType = FALSE; TypeHandle typeHandle = rtTypeUNSAFE->GetType(); MethodTable *pMT = typeHandle.GetMethodTable(); if (pMT != NULL) { isWindowsRuntimeType = pMT->IsWinRTObjectType(); } FC_RETURN_BOOL(isWindowsRuntimeType); } FCIMPLEND #ifdef FEATURE_COMINTEROP_WINRT_MANAGED_ACTIVATION FCIMPL1(FC_BOOL_RET, RuntimeTypeHandle::IsTypeExportedToWindowsRuntime, ReflectClassBaseObject *rtTypeUNSAFE) { FCALL_CONTRACT; BOOL isExportedToWinRT = FALSE; TypeHandle typeHandle = rtTypeUNSAFE->GetType(); MethodTable *pMT = typeHandle.GetMethodTable(); if (pMT != NULL) { isExportedToWinRT = pMT->IsExportedToWinRT(); } FC_RETURN_BOOL(isExportedToWinRT); } FCIMPLEND #endif #endif // FEATURE_COMINTEROP NOINLINE static MethodDesc * RestoreMethodHelper(MethodDesc * pMethod, LPVOID __me) { FC_INNER_PROLOG_NO_ME_SETUP(); HELPER_METHOD_FRAME_BEGIN_RET_0(); pMethod->CheckRestore(); HELPER_METHOD_FRAME_END(); FC_INNER_EPILOG(); return pMethod; } FCIMPL1(MethodDesc *, RuntimeTypeHandle::GetFirstIntroducedMethod, ReflectClassBaseObject *pTypeUNSAFE) { CONTRACTL { FCALL_CHECK; PRECONDITION(CheckPointer(pTypeUNSAFE)); } CONTRACTL_END; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); TypeHandle typeHandle = refType->GetType(); if (typeHandle.IsGenericVariable()) FCThrowRes(kArgumentException, W("Arg_InvalidHandle")); if (typeHandle.IsTypeDesc()) { if (!typeHandle.IsArray()) return NULL; } MethodTable* pMT = typeHandle.GetMethodTable(); if (pMT == NULL) return NULL; MethodDesc* pMethod = MethodTable::IntroducedMethodIterator::GetFirst(pMT); // The only method that can show up here unrestored is instantiated methods. Check for it before performing the expensive IsRestored() check. if (pMethod != NULL && pMethod->GetClassification() == mcInstantiated && !pMethod->IsRestored()) { FC_INNER_RETURN(MethodDesc *, RestoreMethodHelper(pMethod, __me)); } _ASSERTE(pMethod == NULL || pMethod->IsRestored()); return pMethod; } FCIMPLEND #include FCIMPL1(void, RuntimeTypeHandle::GetNextIntroducedMethod, MethodDesc ** ppMethod) { CONTRACTL { FCALL_CHECK; PRECONDITION(CheckPointer(ppMethod)); PRECONDITION(CheckPointer(*ppMethod)); } CONTRACTL_END; MethodDesc *pMethod = MethodTable::IntroducedMethodIterator::GetNext(*ppMethod); *ppMethod = pMethod; if (pMethod != NULL && pMethod->GetClassification() == mcInstantiated && !pMethod->IsRestored()) { FC_INNER_RETURN_VOID(RestoreMethodHelper(pMethod, __me)); } _ASSERTE(pMethod == NULL || pMethod->IsRestored()); } FCIMPLEND #include FCIMPL1(INT32, RuntimeTypeHandle::GetCorElementType, ReflectClassBaseObject *pTypeUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); return refType->GetType().GetSignatureCorElementType(); } FCIMPLEND FCIMPL1(AssemblyBaseObject*, RuntimeTypeHandle::GetAssembly, ReflectClassBaseObject *pTypeUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); Module *pModule = refType->GetType().GetAssembly()->GetManifestModule(); DomainAssembly *pDomainAssembly = pModule->GetDomainAssembly(); FC_RETURN_ASSEMBLY_OBJECT(pDomainAssembly, refType); } FCIMPLEND FCIMPL1(FC_BOOL_RET, RuntimeFieldHandle::AcquiresContextFromThis, FieldDesc *pField) { CONTRACTL { FCALL_CHECK; PRECONDITION(CheckPointer(pField)); } CONTRACTL_END; FC_RETURN_BOOL(pField->IsSharedByGenericInstantiations()); } FCIMPLEND FCIMPL1(ReflectModuleBaseObject*, RuntimeTypeHandle::GetModule, ReflectClassBaseObject *pTypeUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; Module *result; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); result = refType->GetType().GetModule(); FC_RETURN_MODULE_OBJECT(result, refType); } FCIMPLEND FCIMPL1(ReflectClassBaseObject *, RuntimeTypeHandle::GetBaseType, ReflectClassBaseObject *pTypeUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); TypeHandle typeHandle = refType->GetType(); if (typeHandle.IsGenericVariable()) FCThrowRes(kArgumentException, W("Arg_InvalidHandle")); if (typeHandle.IsTypeDesc()) { if (!typeHandle.IsArray()) return NULL; } RETURN_CLASS_OBJECT(typeHandle.GetParent(), refType); } FCIMPLEND FCIMPL1(ReflectClassBaseObject *, RuntimeTypeHandle::GetElementType, ReflectClassBaseObject *pTypeUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); TypeHandle typeHandle = refType->GetType(); if (!typeHandle.IsTypeDesc()) return 0; if (typeHandle.IsGenericVariable()) return 0; TypeHandle typeReturn; if (typeHandle.IsArray()) typeReturn = typeHandle.AsArray()->GetArrayElementTypeHandle(); else typeReturn = typeHandle.AsTypeDesc()->GetTypeParam(); RETURN_CLASS_OBJECT(typeReturn, refType); } FCIMPLEND FCIMPL1(INT32, RuntimeTypeHandle::GetArrayRank, ReflectClassBaseObject *pTypeUNSAFE) { CONTRACTL { FCALL_CHECK; PRECONDITION(CheckPointer(pTypeUNSAFE)); PRECONDITION(pTypeUNSAFE->GetType().IsArray()); } CONTRACTL_END; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); return (INT32)refType->GetType().AsArray()->GetRank(); } FCIMPLEND FCIMPL1(INT32, RuntimeTypeHandle::GetNumVirtuals, ReflectClassBaseObject *pTypeUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); TypeHandle typeHandle = refType->GetType(); if (typeHandle.IsGenericVariable()) FCThrowRes(kArgumentException, W("Arg_InvalidHandle")); MethodTable *pMT = typeHandle.GetMethodTable(); if (pMT) return (INT32)pMT->GetNumVirtuals(); else return 0; //REVIEW: should this return the number of methods in Object? } FCIMPLEND FCIMPL2(MethodDesc *, RuntimeTypeHandle::GetMethodAt, ReflectClassBaseObject *pTypeUNSAFE, INT32 slot) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); TypeHandle typeHandle = refType->GetType(); MethodDesc* pRetMethod = NULL; if (typeHandle.IsGenericVariable()) FCThrowRes(kArgumentException, W("Arg_InvalidHandle")); if (slot < 0 || slot >= (INT32)typeHandle.GetMethodTable()->GetNumVirtuals()) FCThrowRes(kArgumentException, W("Arg_ArgumentOutOfRangeException")); HELPER_METHOD_FRAME_BEGIN_RET_1(refType); pRetMethod = typeHandle.GetMethodTable()->GetMethodDescForSlot((DWORD)slot); HELPER_METHOD_FRAME_END(); return pRetMethod; } FCIMPLEND FCIMPL3(FC_BOOL_RET, RuntimeTypeHandle::GetFields, ReflectClassBaseObject *pTypeUNSAFE, INT32 **result, INT32 *pCount) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); TypeHandle typeHandle = refType->GetType(); if (!pCount || !result) FCThrow(kArgumentNullException); if (typeHandle.IsGenericVariable()) FCThrowRes(kArgumentException, W("Arg_InvalidHandle")); if (typeHandle.IsTypeDesc()) { *pCount = 0; FC_RETURN_BOOL(TRUE); } MethodTable *pMT= typeHandle.GetMethodTable(); if (!pMT) FCThrowRes(kArgumentException, W("Arg_InvalidHandle")); BOOL retVal = FALSE; HELPER_METHOD_FRAME_BEGIN_RET_1(refType); // Check this approximation - we may be losing exact type information ApproxFieldDescIterator fdIterator(pMT, ApproxFieldDescIterator::ALL_FIELDS); INT32 count = (INT32)fdIterator.Count(); if (count > *pCount) { *pCount = count; } else { for(INT32 i = 0; i < count; i ++) result[i] = (INT32*)fdIterator.Next(); *pCount = count; retVal = TRUE; } HELPER_METHOD_FRAME_END(); FC_RETURN_BOOL(retVal); } FCIMPLEND void QCALLTYPE RuntimeMethodHandle::ConstructInstantiation(MethodDesc * pMethod, DWORD format, QCall::StringHandleOnStack retString) { QCALL_CONTRACT; BEGIN_QCALL; StackSString ss; TypeString::AppendInst(ss, pMethod->LoadMethodInstantiation(), format); retString.Set(ss); END_QCALL; } void QCALLTYPE RuntimeTypeHandle::ConstructName(QCall::TypeHandle pTypeHandle, DWORD format, QCall::StringHandleOnStack retString) { QCALL_CONTRACT; BEGIN_QCALL; StackSString ss; TypeString::AppendType(ss, pTypeHandle.AsTypeHandle(), format); retString.Set(ss); END_QCALL; } PTRARRAYREF CopyRuntimeTypeHandles(TypeHandle * prgTH, FixupPointer * prgTH2, INT32 numTypeHandles, BinderClassID arrayElemType) { CONTRACTL { THROWS; GC_TRIGGERS; MODE_COOPERATIVE; } CONTRACTL_END; PTRARRAYREF refReturn = NULL; PTRARRAYREF refArray = NULL; if (numTypeHandles == 0) return NULL; _ASSERTE((prgTH != NULL) || (prgTH2 != NULL)); if (prgTH != NULL) { _ASSERTE(prgTH2 == NULL); } GCPROTECT_BEGIN(refArray); TypeHandle thRuntimeType = TypeHandle(MscorlibBinder::GetClass(arrayElemType)); TypeHandle arrayHandle = ClassLoader::LoadArrayTypeThrowing(thRuntimeType, ELEMENT_TYPE_SZARRAY); refArray = (PTRARRAYREF)AllocateSzArray(arrayHandle, numTypeHandles); for (INT32 i = 0; i < numTypeHandles; i++) { TypeHandle th; if (prgTH != NULL) th = prgTH[i]; else th = prgTH2[i].GetValue(); OBJECTREF refType = th.GetManagedClassObject(); refArray->SetAt(i, refType); } refReturn = refArray; GCPROTECT_END(); return refReturn; } void QCALLTYPE RuntimeTypeHandle::GetConstraints(QCall::TypeHandle pTypeHandle, QCall::ObjectHandleOnStack retTypeArray) { QCALL_CONTRACT; TypeHandle* constraints = NULL; BEGIN_QCALL; TypeHandle typeHandle = pTypeHandle.AsTypeHandle(); if (!typeHandle.IsGenericVariable()) COMPlusThrow(kArgumentException, W("Arg_InvalidHandle")); TypeVarTypeDesc* pGenericVariable = typeHandle.AsGenericVariable(); DWORD dwCount; constraints = pGenericVariable->GetConstraints(&dwCount); GCX_COOP(); retTypeArray.Set(CopyRuntimeTypeHandles(constraints, NULL, dwCount, CLASS__TYPE)); END_QCALL; return; } FCIMPL1(PtrArray*, RuntimeTypeHandle::GetInterfaces, ReflectClassBaseObject *pTypeUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); TypeHandle typeHandle = refType->GetType(); if (typeHandle.IsGenericVariable()) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); INT32 ifaceCount = 0; PTRARRAYREF refRetVal = NULL; HELPER_METHOD_FRAME_BEGIN_RET_2(refRetVal, refType); { if (typeHandle.IsTypeDesc()) { if (typeHandle.IsArray()) { ifaceCount = typeHandle.GetMethodTable()->GetNumInterfaces(); } else { ifaceCount = 0; } } else { ifaceCount = typeHandle.GetMethodTable()->GetNumInterfaces(); } // Allocate the array if (ifaceCount > 0) { TypeHandle arrayHandle = ClassLoader::LoadArrayTypeThrowing(TypeHandle(g_pRuntimeTypeClass), ELEMENT_TYPE_SZARRAY); refRetVal = (PTRARRAYREF)AllocateSzArray(arrayHandle, ifaceCount); // populate type array UINT i = 0; MethodTable::InterfaceMapIterator it = typeHandle.GetMethodTable()->IterateInterfaceMap(); while (it.Next()) { OBJECTREF refInterface = it.GetInterface()->GetManagedClassObject(); refRetVal->SetAt(i, refInterface); _ASSERTE(refRetVal->GetAt(i) != NULL); i++; } } } HELPER_METHOD_FRAME_END(); return (PtrArray*)OBJECTREFToObject(refRetVal); } FCIMPLEND FCIMPL1(INT32, RuntimeTypeHandle::GetAttributes, ReflectClassBaseObject *pTypeUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); TypeHandle typeHandle = refType->GetType(); if (typeHandle.IsTypeDesc()) { if (typeHandle.IsGenericVariable()) { return tdPublic; } if (!typeHandle.IsArray()) return 0; } #ifdef FEATURE_COMINTEROP // __ComObject types are always public. if (IsComObjectClass(typeHandle)) return (typeHandle.GetMethodTable()->GetAttrClass() & tdVisibilityMask) | tdPublic; #endif // FEATURE_COMINTEROP INT32 ret = 0; ret = (INT32)typeHandle.GetMethodTable()->GetAttrClass(); return ret; } FCIMPLEND FCIMPL1(FC_BOOL_RET, RuntimeTypeHandle::IsValueType, ReflectClassBaseObject *pTypeUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); _ASSERTE(refType != NULL); TypeHandle typeHandle = refType->GetType(); FC_RETURN_BOOL(typeHandle.IsValueType()); } FCIMPLEND; FCIMPL1(FC_BOOL_RET, RuntimeTypeHandle::IsInterface, ReflectClassBaseObject *pTypeUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); _ASSERTE(refType != NULL); TypeHandle typeHandle = refType->GetType(); FC_RETURN_BOOL(typeHandle.IsInterface()); } FCIMPLEND; FCIMPL1(FC_BOOL_RET, RuntimeTypeHandle::IsByRefLike, ReflectClassBaseObject *pTypeUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); _ASSERTE(refType != NULL); TypeHandle typeHandle = refType->GetType(); FC_RETURN_BOOL(typeHandle.IsByRefLike()); } FCIMPLEND BOOL QCALLTYPE RuntimeTypeHandle::IsVisible( QCall::TypeHandle pTypeHandle) { CONTRACTL { QCALL_CHECK; } CONTRACTL_END; BOOL fIsExternallyVisible = FALSE; BEGIN_QCALL; TypeHandle typeHandle = pTypeHandle.AsTypeHandle(); _ASSERTE(!typeHandle.IsNull()); fIsExternallyVisible = typeHandle.IsExternallyVisible(); END_QCALL; return fIsExternallyVisible; } // RuntimeTypeHandle::IsVisible FCIMPL2(FC_BOOL_RET, RuntimeTypeHandle::IsComObject, ReflectClassBaseObject *pTypeUNSAFE, CLR_BOOL isGenericCOM) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; BOOL ret = FALSE; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); TypeHandle typeHandle = refType->GetType(); HELPER_METHOD_FRAME_BEGIN_RET_1(refType); { if (isGenericCOM) ret = IsComObjectClass(typeHandle); else ret = IsComWrapperClass(typeHandle); } HELPER_METHOD_FRAME_END(); FC_RETURN_BOOL(ret); } FCIMPLEND FCIMPL1(LPCUTF8, RuntimeTypeHandle::GetUtf8Name, ReflectClassBaseObject* pTypeUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); TypeHandle typeHandle = refType->GetType(); INT32 tkTypeDef = mdTypeDefNil; LPCUTF8 szName = NULL; if (typeHandle.IsGenericVariable()) FCThrowRes(kArgumentException, W("Arg_InvalidHandle")); if (typeHandle.IsTypeDesc()) FCThrowRes(kArgumentException, W("Arg_InvalidHandle")); MethodTable* pMT= typeHandle.GetMethodTable(); if (pMT == NULL) FCThrowRes(kArgumentException, W("Arg_InvalidHandle")); tkTypeDef = (INT32)pMT->GetCl(); if (IsNilToken(tkTypeDef)) FCThrowRes(kArgumentException, W("Arg_InvalidHandle")); if (FAILED(pMT->GetMDImport()->GetNameOfTypeDef(tkTypeDef, &szName, NULL))) { FCThrowRes(kArgumentException, W("Arg_InvalidHandle")); } _ASSERTE(CheckPointer(szName, NULL_OK)); return szName; } FCIMPLEND FCIMPL1(INT32, RuntimeTypeHandle::GetToken, ReflectClassBaseObject *pTypeUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); TypeHandle typeHandle = refType->GetType(); if (typeHandle.IsTypeDesc()) { if (typeHandle.IsGenericVariable()) { INT32 tkTypeDef = typeHandle.AsGenericVariable()->GetToken(); _ASSERTE(!IsNilToken(tkTypeDef) && TypeFromToken(tkTypeDef) == mdtGenericParam); return tkTypeDef; } return mdTypeDefNil; } return (INT32)typeHandle.AsMethodTable()->GetCl(); } FCIMPLEND PVOID QCALLTYPE RuntimeTypeHandle::GetGCHandle(QCall::TypeHandle pTypeHandle, INT32 handleType) { QCALL_CONTRACT; OBJECTHANDLE objHandle = NULL; BEGIN_QCALL; GCX_COOP(); TypeHandle th = pTypeHandle.AsTypeHandle(); assert(handleType >= HNDTYPE_WEAK_SHORT && handleType <= HNDTYPE_WEAK_WINRT); objHandle = AppDomain::GetCurrentDomain()->CreateTypedHandle(NULL, static_cast(handleType)); th.GetLoaderAllocator()->RegisterHandleForCleanup(objHandle); END_QCALL; return objHandle; } void QCALLTYPE RuntimeTypeHandle::VerifyInterfaceIsImplemented(QCall::TypeHandle pTypeHandle, QCall::TypeHandle pIFaceHandle) { QCALL_CONTRACT; BEGIN_QCALL; TypeHandle typeHandle = pTypeHandle.AsTypeHandle(); TypeHandle ifaceHandle = pIFaceHandle.AsTypeHandle(); if (typeHandle.IsGenericVariable()) COMPlusThrow(kArgumentException, W("Arg_InvalidHandle")); if (typeHandle.IsTypeDesc()) { if (!typeHandle.IsArray()) COMPlusThrow(kArgumentException, W("Arg_NotFoundIFace")); } if (typeHandle.IsInterface()) COMPlusThrow(kArgumentException, W("Argument_InterfaceMap")); if (!ifaceHandle.IsInterface()) COMPlusThrow(kArgumentException, W("Arg_MustBeInterface")); // First try the cheap check, which amounts to iterating the interface map looking for // the ifaceHandle MethodTable. if (!typeHandle.GetMethodTable()->ImplementsInterface(ifaceHandle.AsMethodTable())) { // If the cheap check fails, try the more expensive but complete check. if (!typeHandle.CanCastTo(ifaceHandle)) { // If the complete check fails, we're certain that this type // does not implement the interface specified. COMPlusThrow(kArgumentException, W("Arg_NotFoundIFace")); } } END_QCALL; } MethodDesc* QCALLTYPE RuntimeTypeHandle::GetInterfaceMethodImplementation(QCall::TypeHandle pTypeHandle, QCall::TypeHandle pOwner, MethodDesc * pMD) { QCALL_CONTRACT; MethodDesc* pResult = nullptr; BEGIN_QCALL; TypeHandle typeHandle = pTypeHandle.AsTypeHandle(); TypeHandle thOwnerOfMD = pOwner.AsTypeHandle(); // Ok to have INVALID_SLOT in the case where abstract class does not implement an interface method. // This case can not be reproed using C# "implements" all interface methods // with at least an abstract method. b19897_GetInterfaceMap_Abstract.exe tests this case. //@TODO:STUBDISPATCH: Don't need to track down the implementation, just the declaration, and this can //@TODO: be done faster - just need to make a function FindDispatchDecl. DispatchSlot slot(typeHandle.GetMethodTable()->FindDispatchSlotForInterfaceMD(thOwnerOfMD, pMD, FALSE /* throwOnConflict */)); if (!slot.IsNull()) pResult = slot.GetMethodDesc(); END_QCALL; return pResult; } void QCALLTYPE RuntimeTypeHandle::GetDefaultConstructor(QCall::TypeHandle pTypeHandle, QCall::ObjectHandleOnStack retMethod) { QCALL_CONTRACT; BEGIN_QCALL; MethodDesc* pCtor = NULL; TypeHandle typeHandle = pTypeHandle.AsTypeHandle(); if (!typeHandle.IsTypeDesc()) { MethodTable* pMethodTable = typeHandle.AsMethodTable(); if (pMethodTable->HasDefaultConstructor()) pCtor = pMethodTable->GetDefaultConstructor(); } if (pCtor != NULL) { GCX_COOP(); retMethod.Set(pCtor->GetStubMethodInfo()); } END_QCALL; return; } FCIMPL1(ReflectMethodObject*, RuntimeTypeHandle::GetDeclaringMethod, ReflectClassBaseObject *pTypeUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); TypeHandle typeHandle = refType->GetType();; if (!typeHandle.IsTypeDesc()) return NULL; TypeVarTypeDesc* pGenericVariable = typeHandle.AsGenericVariable(); mdToken defToken = pGenericVariable->GetTypeOrMethodDef(); if (TypeFromToken(defToken) != mdtMethodDef) return NULL; REFLECTMETHODREF pRet = NULL; HELPER_METHOD_FRAME_BEGIN_RET_0(); MethodDesc * pMD = pGenericVariable->LoadOwnerMethod(); pMD->CheckRestore(); pRet = pMD->GetStubMethodInfo(); HELPER_METHOD_FRAME_END(); return (ReflectMethodObject*)OBJECTREFToObject(pRet); } FCIMPLEND FCIMPL1(ReflectClassBaseObject*, RuntimeTypeHandle::GetDeclaringType, ReflectClassBaseObject *pTypeUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; TypeHandle retTypeHandle; BOOL fThrowException = FALSE; LPCWSTR argName = W("Arg_InvalidHandle"); RuntimeExceptionKind reKind = kArgumentNullException; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); TypeHandle typeHandle = refType->GetType(); MethodTable* pMT = NULL; mdTypeDef tkTypeDef = mdTokenNil; if (typeHandle.IsTypeDesc()) { if (typeHandle.IsGenericVariable()) { TypeVarTypeDesc* pGenericVariable = typeHandle.AsGenericVariable(); mdToken defToken = pGenericVariable->GetTypeOrMethodDef(); // Try the fast way first (if the declaring type has been loaded already). if (TypeFromToken(defToken) == mdtMethodDef) { MethodDesc * retMethod = pGenericVariable->GetModule()->LookupMethodDef(defToken); if (retMethod != NULL) retTypeHandle = retMethod->GetMethodTable(); } else { retTypeHandle = pGenericVariable->GetModule()->LookupTypeDef(defToken); } if (!retTypeHandle.IsNull() && retTypeHandle.IsFullyLoaded()) goto Exit; // OK, need to go the slow way and load the type first. HELPER_METHOD_FRAME_BEGIN_RET_1(refType); { if (TypeFromToken(defToken) == mdtMethodDef) { retTypeHandle = pGenericVariable->LoadOwnerMethod()->GetMethodTable(); } else { retTypeHandle = pGenericVariable->LoadOwnerType(); } retTypeHandle.CheckRestore(); } HELPER_METHOD_FRAME_END(); goto Exit; } if (!typeHandle.IsArray()) { retTypeHandle = TypeHandle(); goto Exit; } } pMT = typeHandle.GetMethodTable(); if (pMT == NULL) { fThrowException = TRUE; goto Exit; } if(!pMT->GetClass()->IsNested()) { retTypeHandle = TypeHandle(); goto Exit; } tkTypeDef = pMT->GetCl(); if (FAILED(typeHandle.GetModule()->GetMDImport()->GetNestedClassProps(tkTypeDef, &tkTypeDef))) { fThrowException = TRUE; reKind = kBadImageFormatException; argName = NULL; goto Exit; } // Try the fast way first (if the declaring type has been loaded already). retTypeHandle = typeHandle.GetModule()->LookupTypeDef(tkTypeDef); if (retTypeHandle.IsNull()) { // OK, need to go the slow way and load the type first. HELPER_METHOD_FRAME_BEGIN_RET_1(refType); { retTypeHandle = ClassLoader::LoadTypeDefThrowing(typeHandle.GetModule(), tkTypeDef, ClassLoader::ThrowIfNotFound, ClassLoader::PermitUninstDefOrRef); } HELPER_METHOD_FRAME_END(); } Exit: if (fThrowException) { FCThrowRes(reKind, argName); } RETURN_CLASS_OBJECT(retTypeHandle, refType); } FCIMPLEND FCIMPL2(FC_BOOL_RET, RuntimeTypeHandle::CanCastTo, ReflectClassBaseObject *pTypeUNSAFE, ReflectClassBaseObject *pTargetUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); REFLECTCLASSBASEREF refTarget = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTargetUNSAFE); if ((refType == NULL) || (refTarget == NULL)) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); TypeHandle fromHandle = refType->GetType(); TypeHandle toHandle = refTarget->GetType(); BOOL iRetVal = 0; TypeHandle::CastResult r = fromHandle.CanCastToNoGC(toHandle); if (r == TypeHandle::MaybeCast) { HELPER_METHOD_FRAME_BEGIN_RET_2(refType, refTarget); iRetVal = fromHandle.CanCastTo(toHandle); HELPER_METHOD_FRAME_END(); } else { iRetVal = (r == TypeHandle::CanCast); } // We allow T to be cast to Nullable if (!iRetVal && Nullable::IsNullableType(toHandle) && !fromHandle.IsTypeDesc()) { HELPER_METHOD_FRAME_BEGIN_RET_2(refType, refTarget); if (Nullable::IsNullableForType(toHandle, fromHandle.AsMethodTable())) { iRetVal = TRUE; } HELPER_METHOD_FRAME_END(); } FC_RETURN_BOOL(iRetVal); } FCIMPLEND void QCALLTYPE RuntimeTypeHandle::GetTypeByNameUsingCARules(LPCWSTR pwzClassName, QCall::ModuleHandle pModule, QCall::ObjectHandleOnStack retType) { QCALL_CONTRACT; TypeHandle typeHandle; BEGIN_QCALL; if (!pwzClassName) COMPlusThrowArgumentNull(W("className"),W("ArgumentNull_String")); typeHandle = TypeName::GetTypeUsingCASearchRules(pwzClassName, pModule->GetAssembly()); GCX_COOP(); retType.Set(typeHandle.GetManagedClassObject()); END_QCALL; return; } void QCALLTYPE RuntimeTypeHandle::GetTypeByName(LPCWSTR pwzClassName, BOOL bThrowOnError, BOOL bIgnoreCase, QCall::StackCrawlMarkHandle pStackMark, QCall::ObjectHandleOnStack pAssemblyLoadContext, BOOL bLoadTypeFromPartialNameHack, QCall::ObjectHandleOnStack retType, QCall::ObjectHandleOnStack keepAlive) { QCALL_CONTRACT; TypeHandle typeHandle; BEGIN_QCALL; if (!pwzClassName) COMPlusThrowArgumentNull(W("className"),W("ArgumentNull_String")); { ICLRPrivBinder * pPrivHostBinder = NULL; if (*pAssemblyLoadContext.m_ppObject != NULL) { GCX_COOP(); ASSEMBLYLOADCONTEXTREF * pAssemblyLoadContextRef = reinterpret_cast(pAssemblyLoadContext.m_ppObject); INT_PTR nativeAssemblyLoadContext = (*pAssemblyLoadContextRef)->GetNativeAssemblyLoadContext(); pPrivHostBinder = reinterpret_cast(nativeAssemblyLoadContext); } typeHandle = TypeName::GetTypeManaged(pwzClassName, NULL, bThrowOnError, bIgnoreCase, /*bProhibitAsmQualifiedName =*/ FALSE, SystemDomain::GetCallersAssembly(pStackMark), bLoadTypeFromPartialNameHack, (OBJECTREF*)keepAlive.m_ppObject, pPrivHostBinder); } if (!typeHandle.IsNull()) { GCX_COOP(); retType.Set(typeHandle.GetManagedClassObject()); } END_QCALL; return; } FCIMPL6(FC_BOOL_RET, RuntimeTypeHandle::SatisfiesConstraints, PTR_ReflectClassBaseObject pParamTypeUNSAFE, TypeHandle *typeContextArgs, INT32 typeContextCount, TypeHandle *methodContextArgs, INT32 methodContextCount, PTR_ReflectClassBaseObject pArgumentTypeUNSAFE); { CONTRACTL { FCALL_CHECK; PRECONDITION(CheckPointer(typeContextArgs, NULL_OK)); PRECONDITION(CheckPointer(methodContextArgs, NULL_OK)); } CONTRACTL_END; REFLECTCLASSBASEREF refParamType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pParamTypeUNSAFE); REFLECTCLASSBASEREF refArgumentType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pArgumentTypeUNSAFE); TypeHandle thGenericParameter = refParamType->GetType(); TypeHandle thGenericArgument = refArgumentType->GetType(); BOOL bResult = FALSE; SigTypeContext typeContext; Instantiation classInst; Instantiation methodInst; if (typeContextArgs != NULL) { classInst = Instantiation(typeContextArgs, typeContextCount); } if (methodContextArgs != NULL) { methodInst = Instantiation(methodContextArgs, methodContextCount); } SigTypeContext::InitTypeContext(classInst, methodInst, &typeContext); HELPER_METHOD_FRAME_BEGIN_RET_2(refParamType, refArgumentType); { bResult = thGenericParameter.AsGenericVariable()->SatisfiesConstraints(&typeContext, thGenericArgument); } HELPER_METHOD_FRAME_END(); FC_RETURN_BOOL(bResult); } FCIMPLEND void QCALLTYPE RuntimeTypeHandle::GetInstantiation(QCall::TypeHandle pType, QCall::ObjectHandleOnStack retTypes, BOOL fAsRuntimeTypeArray) { QCALL_CONTRACT; BEGIN_QCALL; TypeHandle typeHandle = pType.AsTypeHandle(); Instantiation inst = typeHandle.GetInstantiation(); GCX_COOP(); retTypes.Set(CopyRuntimeTypeHandles(NULL, inst.GetRawArgs(), inst.GetNumArgs(), fAsRuntimeTypeArray ? CLASS__CLASS : CLASS__TYPE)); END_QCALL; return; } void QCALLTYPE RuntimeTypeHandle::MakeArray(QCall::TypeHandle pTypeHandle, INT32 rank, QCall::ObjectHandleOnStack retType) { QCALL_CONTRACT; TypeHandle arrayHandle; BEGIN_QCALL; arrayHandle = pTypeHandle.AsTypeHandle().MakeArray(rank); GCX_COOP(); retType.Set(arrayHandle.GetManagedClassObject()); END_QCALL; return; } void QCALLTYPE RuntimeTypeHandle::MakeSZArray(QCall::TypeHandle pTypeHandle, QCall::ObjectHandleOnStack retType) { QCALL_CONTRACT; TypeHandle arrayHandle; BEGIN_QCALL; arrayHandle = pTypeHandle.AsTypeHandle().MakeSZArray(); GCX_COOP(); retType.Set(arrayHandle.GetManagedClassObject()); END_QCALL; return; } void QCALLTYPE RuntimeTypeHandle::MakePointer(QCall::TypeHandle pTypeHandle, QCall::ObjectHandleOnStack retType) { QCALL_CONTRACT; TypeHandle pointerHandle; BEGIN_QCALL; pointerHandle = pTypeHandle.AsTypeHandle().MakePointer(); GCX_COOP(); retType.Set(pointerHandle.GetManagedClassObject()); END_QCALL; return; } void QCALLTYPE RuntimeTypeHandle::MakeByRef(QCall::TypeHandle pTypeHandle, QCall::ObjectHandleOnStack retType) { QCALL_CONTRACT; TypeHandle byRefHandle; BEGIN_QCALL; byRefHandle = pTypeHandle.AsTypeHandle().MakeByRef(); GCX_COOP(); retType.Set(byRefHandle.GetManagedClassObject()); END_QCALL; return; } BOOL QCALLTYPE RuntimeTypeHandle::IsCollectible(QCall::TypeHandle pTypeHandle) { QCALL_CONTRACT; BOOL retVal = FALSE; BEGIN_QCALL; retVal = pTypeHandle.AsTypeHandle().GetLoaderAllocator()->IsCollectible(); END_QCALL; return retVal; } void QCALLTYPE RuntimeTypeHandle::Instantiate(QCall::TypeHandle pTypeHandle, TypeHandle * pInstArray, INT32 cInstArray, QCall::ObjectHandleOnStack retType) { QCALL_CONTRACT; TypeHandle type; BEGIN_QCALL; type = pTypeHandle.AsTypeHandle().Instantiate(Instantiation(pInstArray, cInstArray)); GCX_COOP(); retType.Set(type.GetManagedClassObject()); END_QCALL; return; } void QCALLTYPE RuntimeTypeHandle::GetGenericTypeDefinition(QCall::TypeHandle pTypeHandle, QCall::ObjectHandleOnStack retType) { QCALL_CONTRACT; TypeHandle typeDef; BEGIN_QCALL; TypeHandle genericType = pTypeHandle.AsTypeHandle(); typeDef = ClassLoader::LoadTypeDefThrowing(genericType.GetModule(), genericType.GetMethodTable()->GetCl(), ClassLoader::ThrowIfNotFound, ClassLoader::PermitUninstDefOrRef); GCX_COOP(); retType.Set(typeDef.GetManagedClassObject()); END_QCALL; return; } FCIMPL2(FC_BOOL_RET, RuntimeTypeHandle::CompareCanonicalHandles, ReflectClassBaseObject *pLeftUNSAFE, ReflectClassBaseObject *pRightUNSAFE) { FCALL_CONTRACT; REFLECTCLASSBASEREF refLeft = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pLeftUNSAFE); REFLECTCLASSBASEREF refRight = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pRightUNSAFE); if ((refLeft == NULL) || (refRight == NULL)) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); FC_RETURN_BOOL(refLeft->GetType().GetCanonicalMethodTable() == refRight->GetType().GetCanonicalMethodTable()); } FCIMPLEND FCIMPL1(FC_BOOL_RET, RuntimeTypeHandle::HasInstantiation, PTR_ReflectClassBaseObject pTypeUNSAFE) { FCALL_CONTRACT; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); FC_RETURN_BOOL(refType->GetType().HasInstantiation()); } FCIMPLEND FCIMPL1(FC_BOOL_RET, RuntimeTypeHandle::IsGenericTypeDefinition, PTR_ReflectClassBaseObject pTypeUNSAFE) { FCALL_CONTRACT; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); FC_RETURN_BOOL(refType->GetType().IsGenericTypeDefinition()); } FCIMPLEND FCIMPL1(FC_BOOL_RET, RuntimeTypeHandle::IsGenericVariable, PTR_ReflectClassBaseObject pTypeUNSAFE) { FCALL_CONTRACT; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); FC_RETURN_BOOL(refType->GetType().IsGenericVariable()); } FCIMPLEND FCIMPL1(INT32, RuntimeTypeHandle::GetGenericVariableIndex, PTR_ReflectClassBaseObject pTypeUNSAFE) { FCALL_CONTRACT; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); return (INT32)refType->GetType().AsGenericVariable()->GetIndex(); } FCIMPLEND FCIMPL1(FC_BOOL_RET, RuntimeTypeHandle::ContainsGenericVariables, PTR_ReflectClassBaseObject pTypeUNSAFE) { FCALL_CONTRACT; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); FC_RETURN_BOOL(refType->GetType().ContainsGenericVariables()); } FCIMPLEND FCIMPL1(IMDInternalImport*, RuntimeTypeHandle::GetMetadataImport, ReflectClassBaseObject * pTypeUNSAFE) { FCALL_CONTRACT; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); Module *pModule = refType->GetType().GetModule(); return pModule->GetMDImport(); } FCIMPLEND //*********************************************************************************** //*********************************************************************************** //*********************************************************************************** void * QCALLTYPE RuntimeMethodHandle::GetFunctionPointer(MethodDesc * pMethod) { QCALL_CONTRACT; void* funcPtr = 0; BEGIN_QCALL; funcPtr = (void*)pMethod->GetMultiCallableAddrOfCode(); END_QCALL; return funcPtr; } BOOL QCALLTYPE RuntimeMethodHandle::GetIsCollectible(MethodDesc * pMethod) { QCALL_CONTRACT; BOOL isCollectible = FALSE; BEGIN_QCALL; isCollectible = pMethod->GetLoaderAllocator()->IsCollectible(); END_QCALL; return isCollectible; } FCIMPL1(LPCUTF8, RuntimeMethodHandle::GetUtf8Name, MethodDesc *pMethod) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; LPCUTF8 szName = NULL; if (!pMethod) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); szName = pMethod->GetName(); _ASSERTE(CheckPointer(szName, NULL_OK)); return szName; } FCIMPLEND FCIMPL2(FC_BOOL_RET, RuntimeMethodHandle::MatchesNameHash, MethodDesc * pMethod, ULONG hash) { FCALL_CONTRACT; FC_RETURN_BOOL(pMethod->MightHaveName(hash)); } FCIMPLEND FCIMPL1(StringObject*, RuntimeMethodHandle::GetName, MethodDesc *pMethod) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; if (!pMethod) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); STRINGREF refName = NULL; HELPER_METHOD_FRAME_BEGIN_RET_0(); refName = StringObject::NewString(pMethod->GetName()); HELPER_METHOD_FRAME_END(); return (StringObject*)OBJECTREFToObject(refName); } FCIMPLEND FCIMPL1(INT32, RuntimeMethodHandle::GetAttributes, MethodDesc *pMethod) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; if (!pMethod) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); return (INT32)pMethod->GetAttrs(); } FCIMPLEND FCIMPL1(INT32, RuntimeMethodHandle::GetImplAttributes, ReflectMethodObject *pMethodUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; if (!pMethodUNSAFE) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); MethodDesc* pMethod = pMethodUNSAFE->GetMethod(); INT32 attributes = 0; if (IsNilToken(pMethod->GetMemberDef())) return attributes; return (INT32)pMethod->GetImplAttrs(); } FCIMPLEND FCIMPL1(ReflectClassBaseObject*, RuntimeMethodHandle::GetDeclaringType, MethodDesc *pMethod) { CONTRACTL { FCALL_CHECK; PRECONDITION(CheckPointer(pMethod)); } CONTRACTL_END; if (!pMethod) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); MethodTable *pMT = pMethod->GetMethodTable(); TypeHandle declType(pMT); if (pMT->IsArray()) { HELPER_METHOD_FRAME_BEGIN_RET_0(); // Load the TypeDesc for the array type. Note the returned type is approximate, i.e. // if shared between reference array types then we will get object[] back. DWORD rank = pMT->GetRank(); TypeHandle elemType = pMT->GetApproxArrayElementTypeHandle(); declType = ClassLoader::LoadArrayTypeThrowing(elemType, pMT->GetInternalCorElementType(), rank); HELPER_METHOD_FRAME_END(); } RETURN_CLASS_OBJECT(declType, NULL); } FCIMPLEND FCIMPL1(INT32, RuntimeMethodHandle::GetSlot, MethodDesc *pMethod) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; if (!pMethod) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); return (INT32)pMethod->GetSlot(); } FCIMPLEND FCIMPL3(Object *, SignatureNative::GetCustomModifiers, SignatureNative* pSignatureUNSAFE, INT32 parameter, CLR_BOOL fRequired) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; struct { SIGNATURENATIVEREF pSig; PTRARRAYREF retVal; } gc; gc.pSig = (SIGNATURENATIVEREF)pSignatureUNSAFE; gc.retVal = NULL; HELPER_METHOD_FRAME_BEGIN_RET_PROTECT(gc); { BYTE callConv = *(BYTE*)gc.pSig->GetCorSig(); SigTypeContext typeContext; gc.pSig->GetTypeContext(&typeContext); MetaSig sig(gc.pSig->GetCorSig(), gc.pSig->GetCorSigSize(), gc.pSig->GetModule(), &typeContext, (callConv & IMAGE_CEE_CS_CALLCONV_MASK) == IMAGE_CEE_CS_CALLCONV_FIELD ? MetaSig::sigField : MetaSig::sigMember); _ASSERTE(callConv == sig.GetCallingConventionInfo()); SigPointer argument(NULL, 0); PRECONDITION(sig.GetCallingConvention() != IMAGE_CEE_CS_CALLCONV_FIELD || parameter == 1); if (parameter == 0) { argument = sig.GetReturnProps(); } else { for(INT32 i = 0; i < parameter; i++) sig.NextArg(); argument = sig.GetArgProps(); } //if (parameter < 0 || parameter > (INT32)sig.NumFixedArgs()) // FCThrowResVoid(kArgumentNullException, W("Arg_ArgumentOutOfRangeException")); SigPointer sp = argument; Module* pModule = sig.GetModule(); INT32 cMods = 0; CorElementType cmodType; CorElementType cmodTypeExpected = fRequired ? ELEMENT_TYPE_CMOD_REQD : ELEMENT_TYPE_CMOD_OPT; // Discover the number of required and optional custom modifiers. while(TRUE) { BYTE data; IfFailThrow(sp.GetByte(&data)); cmodType = (CorElementType)data; if (cmodType == ELEMENT_TYPE_CMOD_REQD || cmodType == ELEMENT_TYPE_CMOD_OPT) { if (cmodType == cmodTypeExpected) { cMods ++; } } else if (cmodType != ELEMENT_TYPE_SENTINEL) { break; } IfFailThrow(sp.GetToken(NULL)); } // Reset sp and populate the arrays for the required and optional custom // modifiers now that we know how long they should be. sp = argument; MethodTable *pMT = MscorlibBinder::GetClass(CLASS__TYPE); TypeHandle arrayHandle = ClassLoader::LoadArrayTypeThrowing(TypeHandle(pMT), ELEMENT_TYPE_SZARRAY); gc.retVal = (PTRARRAYREF) AllocateSzArray(arrayHandle, cMods); while(cMods != 0) { BYTE data; IfFailThrow(sp.GetByte(&data)); cmodType = (CorElementType)data; mdToken token; IfFailThrow(sp.GetToken(&token)); if (cmodType == cmodTypeExpected) { TypeHandle th = ClassLoader::LoadTypeDefOrRefOrSpecThrowing(pModule, token, &typeContext, ClassLoader::ThrowIfNotFound, ClassLoader::FailIfUninstDefOrRef); OBJECTREF refType = th.GetManagedClassObject(); gc.retVal->SetAt(--cMods, refType); } } } HELPER_METHOD_FRAME_END(); return OBJECTREFToObject(gc.retVal); } FCIMPLEND FCIMPL1(INT32, RuntimeMethodHandle::GetMethodDef, ReflectMethodObject *pMethodUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; if (!pMethodUNSAFE) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); MethodDesc* pMethod = pMethodUNSAFE->GetMethod(); if (pMethod->HasMethodInstantiation()) { HELPER_METHOD_FRAME_BEGIN_RET_1(pMethodUNSAFE); { pMethod = pMethod->StripMethodInstantiation(); } HELPER_METHOD_FRAME_END(); } INT32 tkMethodDef = (INT32)pMethod->GetMemberDef(); _ASSERTE(TypeFromToken(tkMethodDef) == mdtMethodDef); if (IsNilToken(tkMethodDef) || TypeFromToken(tkMethodDef) != mdtMethodDef) return mdMethodDefNil; return tkMethodDef; } FCIMPLEND FCIMPL6(void, SignatureNative::GetSignature, SignatureNative* pSignatureNativeUNSAFE, PCCOR_SIGNATURE pCorSig, DWORD cCorSig, FieldDesc *pFieldDesc, ReflectMethodObject *pMethodUNSAFE, ReflectClassBaseObject *pDeclaringTypeUNSAFE) { CONTRACTL { FCALL_CHECK; PRECONDITION(pDeclaringTypeUNSAFE || pMethodUNSAFE->GetMethod()->IsDynamicMethod()); PRECONDITION(CheckPointer(pCorSig, NULL_OK)); PRECONDITION(CheckPointer(pMethodUNSAFE, NULL_OK)); PRECONDITION(CheckPointer(pFieldDesc, NULL_OK)); } CONTRACTL_END; struct { REFLECTCLASSBASEREF refDeclaringType; REFLECTMETHODREF refMethod; SIGNATURENATIVEREF pSig; } gc; gc.refDeclaringType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pDeclaringTypeUNSAFE); gc.refMethod = (REFLECTMETHODREF)ObjectToOBJECTREF(pMethodUNSAFE); gc.pSig = (SIGNATURENATIVEREF)pSignatureNativeUNSAFE; MethodDesc *pMethod; TypeHandle declType; if (gc.refDeclaringType == NULL) { // for dynamic method, see precondition pMethod = gc.refMethod->GetMethod(); declType = pMethod->GetMethodTable(); } else { pMethod = gc.refMethod != NULL ? gc.refMethod->GetMethod() : NULL; declType = gc.refDeclaringType->GetType(); } HELPER_METHOD_FRAME_BEGIN_PROTECT(gc); { Module* pModule = declType.GetModule(); if (pMethod) { pMethod->GetSig(&pCorSig, &cCorSig); if (pMethod->GetClassification() == mcInstantiated) { LoaderAllocator *pLoaderAllocator = pMethod->GetLoaderAllocator(); if (pLoaderAllocator->IsCollectible()) gc.pSig->SetKeepAlive(pLoaderAllocator->GetExposedObject()); } } else if (pFieldDesc) pFieldDesc->GetSig(&pCorSig, &cCorSig); gc.pSig->m_sig = pCorSig; gc.pSig->m_cSig = cCorSig; gc.pSig->m_pMethod = pMethod; REFLECTCLASSBASEREF refDeclType = (REFLECTCLASSBASEREF)declType.GetManagedClassObject(); gc.pSig->SetDeclaringType(refDeclType); PREFIX_ASSUME(pCorSig!= NULL); BYTE callConv = *(BYTE*)pCorSig; SigTypeContext typeContext; if (pMethod) SigTypeContext::InitTypeContext( pMethod, declType.GetClassOrArrayInstantiation(), pMethod->LoadMethodInstantiation(), &typeContext); else SigTypeContext::InitTypeContext(declType, &typeContext); MetaSig msig(pCorSig, cCorSig, pModule, &typeContext, (callConv & IMAGE_CEE_CS_CALLCONV_MASK) == IMAGE_CEE_CS_CALLCONV_FIELD ? MetaSig::sigField : MetaSig::sigMember); if (callConv == IMAGE_CEE_CS_CALLCONV_FIELD) { msig.NextArgNormalized(); OBJECTREF refRetType = msig.GetLastTypeHandleThrowing().GetManagedClassObject(); gc.pSig->SetReturnType(refRetType); } else { gc.pSig->SetCallingConvention(msig.GetCallingConventionInfo()); OBJECTREF refRetType = msig.GetRetTypeHandleThrowing().GetManagedClassObject(); gc.pSig->SetReturnType(refRetType); INT32 nArgs = msig.NumFixedArgs(); TypeHandle arrayHandle = ClassLoader::LoadArrayTypeThrowing(TypeHandle(g_pRuntimeTypeClass), ELEMENT_TYPE_SZARRAY); PTRARRAYREF ptrArrayarguments = (PTRARRAYREF) AllocateSzArray(arrayHandle, nArgs); gc.pSig->SetArgumentArray(ptrArrayarguments); for (INT32 i = 0; i < nArgs; i++) { msig.NextArg(); OBJECTREF refArgType = msig.GetLastTypeHandleThrowing().GetManagedClassObject(); gc.pSig->SetArgument(i, refArgType); } _ASSERTE(gc.pSig->m_returnType != NULL); } } HELPER_METHOD_FRAME_END(); } FCIMPLEND FCIMPL2(FC_BOOL_RET, SignatureNative::CompareSig, SignatureNative* pLhsUNSAFE, SignatureNative* pRhsUNSAFE) { FCALL_CONTRACT; INT32 ret = 0; struct { SIGNATURENATIVEREF pLhs; SIGNATURENATIVEREF pRhs; } gc; gc.pLhs = (SIGNATURENATIVEREF)pLhsUNSAFE; gc.pRhs = (SIGNATURENATIVEREF)pRhsUNSAFE; HELPER_METHOD_FRAME_BEGIN_RET_PROTECT(gc); { ret = MetaSig::CompareMethodSigs( gc.pLhs->GetCorSig(), gc.pLhs->GetCorSigSize(), gc.pLhs->GetModule(), NULL, gc.pRhs->GetCorSig(), gc.pRhs->GetCorSigSize(), gc.pRhs->GetModule(), NULL); } HELPER_METHOD_FRAME_END(); FC_RETURN_BOOL(ret); } FCIMPLEND void QCALLTYPE RuntimeMethodHandle::GetMethodInstantiation(MethodDesc * pMethod, QCall::ObjectHandleOnStack retTypes, BOOL fAsRuntimeTypeArray) { QCALL_CONTRACT; BEGIN_QCALL; Instantiation inst = pMethod->LoadMethodInstantiation(); GCX_COOP(); retTypes.Set(CopyRuntimeTypeHandles(NULL, inst.GetRawArgs(), inst.GetNumArgs(), fAsRuntimeTypeArray ? CLASS__CLASS : CLASS__TYPE)); END_QCALL; return; } FCIMPL1(FC_BOOL_RET, RuntimeMethodHandle::HasMethodInstantiation, MethodDesc * pMethod) { FCALL_CONTRACT; FC_RETURN_BOOL(pMethod->HasMethodInstantiation()); } FCIMPLEND FCIMPL1(FC_BOOL_RET, RuntimeMethodHandle::IsGenericMethodDefinition, MethodDesc * pMethod) { FCALL_CONTRACT; FC_RETURN_BOOL(pMethod->IsGenericMethodDefinition()); } FCIMPLEND FCIMPL1(INT32, RuntimeMethodHandle::GetGenericParameterCount, MethodDesc * pMethod) { FCALL_CONTRACT; return pMethod->GetNumGenericMethodArgs(); } FCIMPLEND FCIMPL1(FC_BOOL_RET, RuntimeMethodHandle::IsDynamicMethod, MethodDesc * pMethod) { FCALL_CONTRACT; FC_RETURN_BOOL(pMethod->IsNoMetadata()); } FCIMPLEND FCIMPL1(Object*, RuntimeMethodHandle::GetResolver, MethodDesc * pMethod) { FCALL_CONTRACT; if (!pMethod) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); OBJECTREF resolver = NULL; if (pMethod->IsLCGMethod()) { resolver = pMethod->AsDynamicMethodDesc()->GetLCGMethodResolver()->GetManagedResolver(); } return OBJECTREFToObject(resolver); } FCIMPLEND void QCALLTYPE RuntimeMethodHandle::Destroy(MethodDesc * pMethod) { QCALL_CONTRACT; BEGIN_QCALL; if (pMethod == NULL) COMPlusThrowArgumentNull(NULL, W("Arg_InvalidHandle")); DynamicMethodDesc* pDynamicMethodDesc = pMethod->AsDynamicMethodDesc(); GCX_COOP(); // Destroy should be called only if the managed part is gone. _ASSERTE(OBJECTREFToObject(pDynamicMethodDesc->GetLCGMethodResolver()->GetManagedResolver()) == NULL); // Fire Unload Dynamic Method Event here ETW::MethodLog::DynamicMethodDestroyed(pMethod); BEGIN_PIN_PROFILER(CORProfilerIsMonitoringDynamicFunctionUnloads()); g_profControlBlock.pProfInterface->DynamicMethodUnloaded((FunctionID)pMethod); END_PIN_PROFILER(); pDynamicMethodDesc->Destroy(); END_QCALL; } FCIMPL1(FC_BOOL_RET, RuntimeMethodHandle::IsTypicalMethodDefinition, ReflectMethodObject *pMethodUNSAFE) { FCALL_CONTRACT; if (!pMethodUNSAFE) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); MethodDesc* pMethod = pMethodUNSAFE->GetMethod(); FC_RETURN_BOOL(pMethod->IsTypicalMethodDefinition()); } FCIMPLEND void QCALLTYPE RuntimeMethodHandle::GetTypicalMethodDefinition(MethodDesc * pMethod, QCall::ObjectHandleOnStack refMethod) { QCALL_CONTRACT; BEGIN_QCALL; #ifdef _DEBUG { GCX_COOP(); _ASSERTE(((ReflectMethodObject *)(*refMethod.m_ppObject))->GetMethod() == pMethod); } #endif MethodDesc *pMethodTypical = pMethod->LoadTypicalMethodDefinition(); if (pMethodTypical != pMethod) { GCX_COOP(); refMethod.Set(pMethodTypical->GetStubMethodInfo()); } END_QCALL; return; } void QCALLTYPE RuntimeMethodHandle::StripMethodInstantiation(MethodDesc * pMethod, QCall::ObjectHandleOnStack refMethod) { QCALL_CONTRACT; BEGIN_QCALL; if (!pMethod) COMPlusThrowArgumentNull(NULL, W("Arg_InvalidHandle")); #ifdef _DEBUG { GCX_COOP(); _ASSERTE(((ReflectMethodObject *)(*refMethod.m_ppObject))->GetMethod() == pMethod); } #endif MethodDesc *pMethodStripped = pMethod->StripMethodInstantiation(); if (pMethodStripped != pMethod) { GCX_COOP(); refMethod.Set(pMethodStripped->GetStubMethodInfo()); } END_QCALL; return; } // In the VM there might be more than one MethodDescs for a "method" // examples are methods on generic types which may have additional instantiating stubs // and methods on value types which may have additional unboxing stubs. // // For generic methods we always hand out an instantiating stub except for a generic method definition // For non-generic methods on generic types we need an instantiating stub if it's one of the following // - static method on a generic class // - static or instance method on a generic interface // - static or instance method on a generic value type // The Reflection policy is to always hand out instantiating stubs in these cases // // For methods on non-generic value types we can use either the cannonical method or the unboxing stub // The Reflection policy is to always hand out unboxing stubs if the methods are virtual methods // The reason for this is that in the current implementation of the class loader, the v-table slots for // those methods point to unboxing stubs already. Note that this is just a implementation choice // that might change in the future. But we should always keep this Reflection policy an invariant. // // For virtual methods on generic value types (intersection of the two cases), reflection will hand // out an unboxing instantiating stub // // GetInstantiatingStub is called to: // 1. create an InstantiatedMethodDesc for a generic method when calling BindGenericArguments() on a generic // method. In this case instArray will not be null. // 2. create an InstantiatedMethodDesc for a method in a generic class. In this case instArray will be null. // 3. create an UnboxingStub for a method in a value type. In this case instArray will be null. // For case 2 and 3, an instantiating stub or unboxing stub might not be needed in which case the original // MethodDesc is returned. FCIMPL3(MethodDesc*, RuntimeMethodHandle::GetStubIfNeeded, MethodDesc *pMethod, ReflectClassBaseObject *pTypeUNSAFE, PtrArray* instArrayUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); PTRARRAYREF instArray = (PTRARRAYREF)ObjectToOBJECTREF(instArrayUNSAFE); if (refType == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); TypeHandle instType = refType->GetType(); MethodDesc *pNewMethod = pMethod; // error conditions if (!pMethod) FCThrowRes(kArgumentException, W("Arg_InvalidHandle")); if (instType.IsNull()) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); // Perf optimization: this logic is actually duplicated in FindOrCreateAssociatedMethodDescForReflection, but since it // is the more common case it's worth the duplicate check here to avoid the helper method frame if ( instArray == NULL && ( pMethod->HasMethodInstantiation() || ( !instType.IsValueType() && ( !instType.HasInstantiation() || instType.IsGenericTypeDefinition() ) ) ) ) { return pNewMethod; } HELPER_METHOD_FRAME_BEGIN_RET_2(refType, instArray); { TypeHandle *inst = NULL; DWORD ntypars = 0; if (instArray != NULL) { ntypars = instArray->GetNumComponents(); size_t size = ntypars * sizeof(TypeHandle); if ((size / sizeof(TypeHandle)) != ntypars) // uint over/underflow COMPlusThrow(kArgumentException); inst = (TypeHandle*) _alloca(size); for (DWORD i = 0; i < ntypars; i++) { REFLECTCLASSBASEREF instRef = (REFLECTCLASSBASEREF)instArray->GetAt(i); if (instRef == NULL) COMPlusThrowArgumentNull(W("inst"), W("ArgumentNull_ArrayElement")); inst[i] = instRef->GetType(); } } pNewMethod = MethodDesc::FindOrCreateAssociatedMethodDescForReflection(pMethod, instType, Instantiation(inst, ntypars)); } HELPER_METHOD_FRAME_END(); return pNewMethod; } FCIMPLEND FCIMPL2(MethodDesc*, RuntimeMethodHandle::GetMethodFromCanonical, MethodDesc *pMethod, ReflectClassBaseObject *pTypeUNSAFE) { CONTRACTL { FCALL_CHECK; PRECONDITION(CheckPointer(pMethod)); } CONTRACTL_END; REFLECTCLASSBASEREF refType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pTypeUNSAFE); TypeHandle instType = refType->GetType(); MethodDesc* pMDescInCanonMT = instType.GetMethodTable()->GetParallelMethodDesc(pMethod); return pMDescInCanonMT; } FCIMPLEND FCIMPL2(RuntimeMethodBody *, RuntimeMethodHandle::GetMethodBody, ReflectMethodObject *pMethodUNSAFE, ReflectClassBaseObject *pDeclaringTypeUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; struct _gc { RUNTIMEMETHODBODYREF MethodBodyObj; RUNTIMEEXCEPTIONHANDLINGCLAUSEREF EHClauseObj; RUNTIMELOCALVARIABLEINFOREF RuntimeLocalVariableInfoObj; U1ARRAYREF U1Array; BASEARRAYREF TempArray; REFLECTCLASSBASEREF declaringType; REFLECTMETHODREF refMethod; } gc; gc.MethodBodyObj = NULL; gc.EHClauseObj = NULL; gc.RuntimeLocalVariableInfoObj = NULL; gc.U1Array = NULL; gc.TempArray = NULL; gc.declaringType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pDeclaringTypeUNSAFE); gc.refMethod = (REFLECTMETHODREF)ObjectToOBJECTREF(pMethodUNSAFE); if (!gc.refMethod) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); MethodDesc* pMethod = gc.refMethod->GetMethod(); TypeHandle declaringType = gc.declaringType == NULL ? TypeHandle() : gc.declaringType->GetType(); if (!pMethod->IsIL()) return NULL; HELPER_METHOD_FRAME_BEGIN_RET_PROTECT(gc); { MethodDesc *pMethodIL = pMethod; if (pMethod->IsWrapperStub()) pMethodIL = pMethod->GetWrappedMethodDesc(); COR_ILMETHOD* pILHeader = pMethodIL->GetILHeader(); if (pILHeader) { MethodTable * pExceptionHandlingClauseMT = MscorlibBinder::GetClass(CLASS__RUNTIME_EH_CLAUSE); TypeHandle thEHClauseArray = ClassLoader::LoadArrayTypeThrowing(TypeHandle(pExceptionHandlingClauseMT), ELEMENT_TYPE_SZARRAY); MethodTable * pLocalVariableMT = MscorlibBinder::GetClass(CLASS__RUNTIME_LOCAL_VARIABLE_INFO); TypeHandle thLocalVariableArray = ClassLoader::LoadArrayTypeThrowing(TypeHandle(pLocalVariableMT), ELEMENT_TYPE_SZARRAY); Module* pModule = pMethod->GetModule(); COR_ILMETHOD_DECODER::DecoderStatus status; COR_ILMETHOD_DECODER header(pILHeader, pModule->GetMDImport(), &status); if (status != COR_ILMETHOD_DECODER::SUCCESS) { if (status == COR_ILMETHOD_DECODER::VERIFICATION_ERROR) { // Throw a verification HR COMPlusThrowHR(COR_E_VERIFICATION); } else { COMPlusThrowHR(COR_E_BADIMAGEFORMAT); } } gc.MethodBodyObj = (RUNTIMEMETHODBODYREF)AllocateObject(MscorlibBinder::GetClass(CLASS__RUNTIME_METHOD_BODY)); gc.MethodBodyObj->_maxStackSize = header.GetMaxStack(); gc.MethodBodyObj->_initLocals = !!(header.GetFlags() & CorILMethod_InitLocals); if (header.IsFat()) gc.MethodBodyObj->_localVarSigToken = header.GetLocalVarSigTok(); else gc.MethodBodyObj->_localVarSigToken = 0; // Allocate the array of IL and fill it in from the method header. BYTE* pIL = const_cast(header.Code); COUNT_T cIL = header.GetCodeSize(); gc.U1Array = (U1ARRAYREF) AllocatePrimitiveArray(ELEMENT_TYPE_U1, cIL); SetObjectReference((OBJECTREF*)&gc.MethodBodyObj->_IL, gc.U1Array); memcpyNoGCRefs(gc.MethodBodyObj->_IL->GetDataPtr(), pIL, cIL); // Allocate the array of exception clauses. INT32 cEh = (INT32)header.EHCount(); const COR_ILMETHOD_SECT_EH* ehInfo = header.EH; gc.TempArray = (BASEARRAYREF) AllocateSzArray(thEHClauseArray, cEh); SetObjectReference((OBJECTREF*)&gc.MethodBodyObj->_exceptionClauses, gc.TempArray); for (INT32 i = 0; i < cEh; i++) { COR_ILMETHOD_SECT_EH_CLAUSE_FAT ehBuff; const COR_ILMETHOD_SECT_EH_CLAUSE_FAT* ehClause = (const COR_ILMETHOD_SECT_EH_CLAUSE_FAT*)ehInfo->EHClause(i, &ehBuff); gc.EHClauseObj = (RUNTIMEEXCEPTIONHANDLINGCLAUSEREF) AllocateObject(pExceptionHandlingClauseMT); gc.EHClauseObj->_flags = ehClause->GetFlags(); gc.EHClauseObj->_tryOffset = ehClause->GetTryOffset(); gc.EHClauseObj->_tryLength = ehClause->GetTryLength(); gc.EHClauseObj->_handlerOffset = ehClause->GetHandlerOffset(); gc.EHClauseObj->_handlerLength = ehClause->GetHandlerLength(); if ((ehClause->GetFlags() & COR_ILEXCEPTION_CLAUSE_FILTER) == 0) gc.EHClauseObj->_catchToken = ehClause->GetClassToken(); else gc.EHClauseObj->_filterOffset = ehClause->GetFilterOffset(); gc.MethodBodyObj->_exceptionClauses->SetAt(i, (OBJECTREF) gc.EHClauseObj); SetObjectReference((OBJECTREF*)&(gc.EHClauseObj->_methodBody), (OBJECTREF)gc.MethodBodyObj); } if (header.LocalVarSig != NULL) { SigTypeContext sigTypeContext(pMethod, declaringType, pMethod->LoadMethodInstantiation()); MetaSig metaSig(header.LocalVarSig, header.cbLocalVarSig, pModule, &sigTypeContext, MetaSig::sigLocalVars); INT32 cLocals = metaSig.NumFixedArgs(); gc.TempArray = (BASEARRAYREF) AllocateSzArray(thLocalVariableArray, cLocals); SetObjectReference((OBJECTREF*)&gc.MethodBodyObj->_localVariables, gc.TempArray); for (INT32 i = 0; i < cLocals; i ++) { gc.RuntimeLocalVariableInfoObj = (RUNTIMELOCALVARIABLEINFOREF)AllocateObject(pLocalVariableMT); gc.RuntimeLocalVariableInfoObj->_localIndex = i; metaSig.NextArg(); CorElementType eType; IfFailThrow(metaSig.GetArgProps().PeekElemType(&eType)); if (ELEMENT_TYPE_PINNED == eType) gc.RuntimeLocalVariableInfoObj->_isPinned = TRUE; TypeHandle tempType= metaSig.GetArgProps().GetTypeHandleThrowing(pModule, &sigTypeContext); OBJECTREF refLocalType = tempType.GetManagedClassObject(); gc.RuntimeLocalVariableInfoObj->SetType(refLocalType); gc.MethodBodyObj->_localVariables->SetAt(i, (OBJECTREF) gc.RuntimeLocalVariableInfoObj); } } else { INT32 cLocals = 0; gc.TempArray = (BASEARRAYREF) AllocateSzArray(thLocalVariableArray, cLocals); SetObjectReference((OBJECTREF*)&gc.MethodBodyObj->_localVariables, gc.TempArray); } } } HELPER_METHOD_FRAME_END(); return (RuntimeMethodBody*)OBJECTREFToObject(gc.MethodBodyObj); } FCIMPLEND FCIMPL1(FC_BOOL_RET, RuntimeMethodHandle::IsConstructor, MethodDesc *pMethod) { CONTRACTL { FCALL_CHECK; PRECONDITION(CheckPointer(pMethod)); } CONTRACTL_END; BOOL ret = (BOOL)pMethod->IsClassConstructorOrCtor(); FC_RETURN_BOOL(ret); } FCIMPLEND FCIMPL1(Object*, RuntimeMethodHandle::GetLoaderAllocator, MethodDesc *pMethod) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; OBJECTREF loaderAllocator = NULL; if (!pMethod) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); HELPER_METHOD_FRAME_BEGIN_RET_PROTECT(loaderAllocator); LoaderAllocator *pLoaderAllocator = pMethod->GetLoaderAllocator(); loaderAllocator = pLoaderAllocator->GetExposedObject(); HELPER_METHOD_FRAME_END(); return OBJECTREFToObject(loaderAllocator); } FCIMPLEND //********************************************************************************************* //********************************************************************************************* //********************************************************************************************* FCIMPL1(StringObject*, RuntimeFieldHandle::GetName, ReflectFieldObject *pFieldUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTFIELDREF refField = (REFLECTFIELDREF)ObjectToOBJECTREF(pFieldUNSAFE); if (!refField) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); FieldDesc *pField = refField->GetField(); STRINGREF refString = NULL; HELPER_METHOD_FRAME_BEGIN_RET_1(refField); { refString = StringObject::NewString(pField->GetName()); } HELPER_METHOD_FRAME_END(); return (StringObject*)OBJECTREFToObject(refString); } FCIMPLEND FCIMPL1(LPCUTF8, RuntimeFieldHandle::GetUtf8Name, FieldDesc *pField) { CONTRACTL { FCALL_CHECK; PRECONDITION(CheckPointer(pField)); } CONTRACTL_END; LPCUTF8 szFieldName; if (FAILED(pField->GetName_NoThrow(&szFieldName))) { FCThrow(kBadImageFormatException); } return szFieldName; } FCIMPLEND FCIMPL2(FC_BOOL_RET, RuntimeFieldHandle::MatchesNameHash, FieldDesc * pField, ULONG hash) { FCALL_CONTRACT; FC_RETURN_BOOL(pField->MightHaveName(hash)); } FCIMPLEND FCIMPL1(INT32, RuntimeFieldHandle::GetAttributes, FieldDesc *pField) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; if (!pField) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); return (INT32)pField->GetAttributes(); } FCIMPLEND FCIMPL1(ReflectClassBaseObject*, RuntimeFieldHandle::GetApproxDeclaringType, FieldDesc *pField) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; if (!pField) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); TypeHandle th = TypeHandle(pField->GetApproxEnclosingMethodTable()); // this needs to be checked - see bug 184355 RETURN_CLASS_OBJECT(th, NULL); } FCIMPLEND FCIMPL1(INT32, RuntimeFieldHandle::GetToken, ReflectFieldObject *pFieldUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTFIELDREF refField = (REFLECTFIELDREF)ObjectToOBJECTREF(pFieldUNSAFE); if (!refField) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); FieldDesc *pField = refField->GetField(); INT32 tkFieldDef = (INT32)pField->GetMemberDef(); _ASSERTE(!IsNilToken(tkFieldDef) || tkFieldDef == mdFieldDefNil); return tkFieldDef; } FCIMPLEND FCIMPL2(FieldDesc*, RuntimeFieldHandle::GetStaticFieldForGenericType, FieldDesc *pField, ReflectClassBaseObject *pDeclaringTypeUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTCLASSBASEREF refDeclaringType = (REFLECTCLASSBASEREF)ObjectToOBJECTREF(pDeclaringTypeUNSAFE); if ((refDeclaringType == NULL) || (pField == NULL)) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); TypeHandle declaringType = refDeclaringType->GetType(); if (!pField) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); if (declaringType.IsTypeDesc()) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); MethodTable *pMT = declaringType.AsMethodTable(); _ASSERTE(pField->IsStatic()); if (pMT->HasGenericsStaticsInfo()) pField = pMT->GetFieldDescByIndex(pField->GetApproxEnclosingMethodTable()->GetIndexForFieldDesc(pField)); _ASSERTE(!pField->IsSharedByGenericInstantiations()); _ASSERTE(pField->GetEnclosingMethodTable() == pMT); return pField; } FCIMPLEND FCIMPL1(ReflectModuleBaseObject*, AssemblyHandle::GetManifestModule, AssemblyBaseObject* pAssemblyUNSAFE) { FCALL_CONTRACT; ASSEMBLYREF refAssembly = (ASSEMBLYREF)ObjectToOBJECTREF(pAssemblyUNSAFE); if (refAssembly == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); DomainAssembly *pAssembly = refAssembly->GetDomainAssembly(); Assembly* currentAssembly = pAssembly->GetCurrentAssembly(); Module *pModule = currentAssembly->GetManifestModule(); DomainFile * pDomainFile = pModule->GetDomainFile(); #ifdef _DEBUG OBJECTREF orModule; HELPER_METHOD_FRAME_BEGIN_RET_1(refAssembly); orModule = (pDomainFile != NULL) ? pDomainFile->GetExposedModuleObjectIfExists() : NULL; if (orModule == NULL) orModule = pModule->GetExposedObject(); #else OBJECTREF orModule = (pDomainFile != NULL) ? pDomainFile->GetExposedModuleObjectIfExists() : NULL; if (orModule != NULL) return (ReflectModuleBaseObject*)OBJECTREFToObject(orModule); HELPER_METHOD_FRAME_BEGIN_RET_1(refAssembly); orModule = pModule->GetExposedObject(); #endif HELPER_METHOD_FRAME_END(); return (ReflectModuleBaseObject*)OBJECTREFToObject(orModule); } FCIMPLEND FCIMPL1(INT32, AssemblyHandle::GetToken, AssemblyBaseObject* pAssemblyUNSAFE) { FCALL_CONTRACT; ASSEMBLYREF refAssembly = (ASSEMBLYREF)ObjectToOBJECTREF(pAssemblyUNSAFE); if (refAssembly == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); DomainAssembly *pAssembly = refAssembly->GetDomainAssembly(); mdAssembly token = mdAssemblyNil; IMDInternalImport *mdImport = pAssembly->GetCurrentAssembly()->GetManifestImport(); if (mdImport != 0) { if (FAILED(mdImport->GetAssemblyFromScope(&token))) { FCThrow(kBadImageFormatException); } } return token; } FCIMPLEND void QCALLTYPE ModuleHandle::GetPEKind(QCall::ModuleHandle pModule, DWORD* pdwPEKind, DWORD* pdwMachine) { QCALL_CONTRACT; BEGIN_QCALL; pModule->GetFile()->GetPEKindAndMachine(pdwPEKind, pdwMachine); END_QCALL; } FCIMPL1(INT32, ModuleHandle::GetMDStreamVersion, ReflectModuleBaseObject * pModuleUNSAFE) { FCALL_CONTRACT; REFLECTMODULEBASEREF refModule = (REFLECTMODULEBASEREF)ObjectToOBJECTREF(pModuleUNSAFE); if (refModule == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); Module *pModule = refModule->GetModule(); if (pModule->IsResource()) return 0; return pModule->GetMDImport()->GetMetadataStreamVersion(); } FCIMPLEND void QCALLTYPE ModuleHandle::GetModuleType(QCall::ModuleHandle pModule, QCall::ObjectHandleOnStack retType) { QCALL_CONTRACT; TypeHandle globalTypeHandle = TypeHandle(); BEGIN_QCALL; EX_TRY { globalTypeHandle = TypeHandle(pModule->GetGlobalMethodTable()); } EX_SWALLOW_NONTRANSIENT; if (!globalTypeHandle.IsNull()) { GCX_COOP(); retType.Set(globalTypeHandle.GetManagedClassObject()); } END_QCALL; return; } FCIMPL1(INT32, ModuleHandle::GetToken, ReflectModuleBaseObject * pModuleUNSAFE) { CONTRACTL { FCALL_CHECK; } CONTRACTL_END; REFLECTMODULEBASEREF refModule = (REFLECTMODULEBASEREF)ObjectToOBJECTREF(pModuleUNSAFE); if (refModule == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); Module *pModule = refModule->GetModule(); if (pModule->IsResource()) return mdModuleNil; return pModule->GetMDImport()->GetModuleFromScope(); } FCIMPLEND FCIMPL1(IMDInternalImport*, ModuleHandle::GetMetadataImport, ReflectModuleBaseObject * pModuleUNSAFE) { FCALL_CONTRACT; REFLECTMODULEBASEREF refModule = (REFLECTMODULEBASEREF)ObjectToOBJECTREF(pModuleUNSAFE); if (refModule == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); Module *pModule = refModule->GetModule(); if (pModule->IsResource()) return NULL; return pModule->GetMDImport(); } FCIMPLEND BOOL QCALLTYPE ModuleHandle::ContainsPropertyMatchingHash(QCall::ModuleHandle pModule, INT32 tkProperty, ULONG hash) { QCALL_CONTRACT; BOOL fContains = TRUE; BEGIN_QCALL; fContains = pModule->MightContainMatchingProperty(tkProperty, hash); END_QCALL; return fContains; } void QCALLTYPE ModuleHandle::ResolveType(QCall::ModuleHandle pModule, INT32 tkType, TypeHandle *typeArgs, INT32 typeArgsCount, TypeHandle *methodArgs, INT32 methodArgsCount, QCall::ObjectHandleOnStack retType) { QCALL_CONTRACT; TypeHandle typeHandle; BEGIN_QCALL; _ASSERTE(!IsNilToken(tkType)); SigTypeContext typeContext(Instantiation(typeArgs, typeArgsCount), Instantiation(methodArgs, methodArgsCount)); typeHandle = ClassLoader::LoadTypeDefOrRefOrSpecThrowing(pModule, tkType, &typeContext, ClassLoader::ThrowIfNotFound, ClassLoader::PermitUninstDefOrRef); GCX_COOP(); retType.Set(typeHandle.GetManagedClassObject()); END_QCALL; return; } MethodDesc *QCALLTYPE ModuleHandle::ResolveMethod(QCall::ModuleHandle pModule, INT32 tkMemberRef, TypeHandle *typeArgs, INT32 typeArgsCount, TypeHandle *methodArgs, INT32 methodArgsCount) { QCALL_CONTRACT; MethodDesc* pMD = NULL; BEGIN_QCALL; _ASSERTE(!IsNilToken(tkMemberRef)); BOOL strictMetadataChecks = (TypeFromToken(tkMemberRef) == mdtMethodSpec); SigTypeContext typeContext(Instantiation(typeArgs, typeArgsCount), Instantiation(methodArgs, methodArgsCount)); pMD = MemberLoader::GetMethodDescFromMemberDefOrRefOrSpec(pModule, tkMemberRef, &typeContext, strictMetadataChecks, FALSE); // This will get us the instantiating or unboxing stub if needed pMD = MethodDesc::FindOrCreateAssociatedMethodDescForReflection(pMD, pMD->GetMethodTable(), pMD->GetMethodInstantiation()); END_QCALL; return pMD; } void QCALLTYPE ModuleHandle::ResolveField(QCall::ModuleHandle pModule, INT32 tkMemberRef, TypeHandle *typeArgs, INT32 typeArgsCount, TypeHandle *methodArgs, INT32 methodArgsCount, QCall::ObjectHandleOnStack retField) { QCALL_CONTRACT; FieldDesc* pField = NULL; BEGIN_QCALL; _ASSERTE(!IsNilToken(tkMemberRef)); SigTypeContext typeContext(Instantiation(typeArgs, typeArgsCount), Instantiation(methodArgs, methodArgsCount)); pField = MemberLoader::GetFieldDescFromMemberDefOrRef(pModule, tkMemberRef, &typeContext, FALSE); GCX_COOP(); retField.Set(pField->GetStubFieldInfo()); END_QCALL; return; } void QCALLTYPE ModuleHandle::GetAssembly(QCall::ModuleHandle pModule, QCall::ObjectHandleOnStack retAssembly) { QCALL_CONTRACT; DomainAssembly *pAssembly = NULL; BEGIN_QCALL; pAssembly = pModule->GetDomainAssembly(); GCX_COOP(); retAssembly.Set(pAssembly->GetExposedAssemblyObject()); END_QCALL; return; } FCIMPL5(ReflectMethodObject*, ModuleHandle::GetDynamicMethod, ReflectMethodObject *pMethodUNSAFE, ReflectModuleBaseObject *pModuleUNSAFE, StringObject *name, U1Array *sig, Object *resolver) { CONTRACTL { FCALL_CHECK; PRECONDITION(CheckPointer(name)); PRECONDITION(CheckPointer(sig)); } CONTRACTL_END; DynamicMethodDesc *pNewMD = NULL; struct { STRINGREF nameRef; OBJECTREF resolverRef; OBJECTREF methodRef; REFLECTMETHODREF retMethod; REFLECTMODULEBASEREF refModule; } gc; gc.nameRef = (STRINGREF)name; gc.resolverRef = (OBJECTREF)resolver; gc.methodRef = ObjectToOBJECTREF(pMethodUNSAFE); gc.retMethod = NULL; gc.refModule = (REFLECTMODULEBASEREF)ObjectToOBJECTREF(pModuleUNSAFE); if (gc.refModule == NULL) FCThrowRes(kArgumentNullException, W("Arg_InvalidHandle")); Module *pModule = gc.refModule->GetModule(); HELPER_METHOD_FRAME_BEGIN_RET_PROTECT(gc); DomainFile *pDomainModule = pModule->GetDomainFile(); U1ARRAYREF dataArray = (U1ARRAYREF)sig; DWORD sigSize = dataArray->GetNumComponents(); NewArrayHolder pSig(new BYTE[sigSize]); memcpy(pSig, dataArray->GetDataPtr(), sigSize); DWORD length = gc.nameRef->GetStringLength(); NewArrayHolder pName(new char[(length + 1) * 2]); pName[0] = '\0'; length = WszWideCharToMultiByte(CP_UTF8, 0, gc.nameRef->GetBuffer(), length, pName, (length + 1) * 2 - sizeof(char), NULL, NULL); if (length) pName[length / sizeof(char)] = '\0'; DynamicMethodTable *pMTForDynamicMethods = pDomainModule->GetDynamicMethodTable(); pNewMD = pMTForDynamicMethods->GetDynamicMethod(pSig, sigSize, pName); _ASSERTE(pNewMD != NULL); // pNewMD now owns pSig and pName. pSig.SuppressRelease(); pName.SuppressRelease(); // create a handle to hold the resolver objectref OBJECTHANDLE resolverHandle = pDomainModule->GetAppDomain()->CreateLongWeakHandle(gc.resolverRef); pNewMD->GetLCGMethodResolver()->SetManagedResolver(resolverHandle); gc.retMethod = pNewMD->GetStubMethodInfo(); gc.retMethod->SetKeepAlive(gc.resolverRef); LoaderAllocator *pLoaderAllocator = pModule->GetLoaderAllocator(); if (pLoaderAllocator->IsCollectible()) pLoaderAllocator->AddReference(); HELPER_METHOD_FRAME_END(); return (ReflectMethodObject*)OBJECTREFToObject(gc.retMethod); } FCIMPLEND void QCALLTYPE RuntimeMethodHandle::GetCallerType(QCall::StackCrawlMarkHandle pStackMark, QCall::ObjectHandleOnStack retType) { QCALL_CONTRACT; BEGIN_QCALL; GCX_COOP(); MethodTable *pMT = NULL; pMT = SystemDomain::GetCallersType(pStackMark); if (pMT != NULL) retType.Set(pMT->GetManagedClassObject()); END_QCALL; return; }