Exemplo n.º 1
0
        public static tAsyncCall *set_Target(tJITCallNative *pCallNative, byte *pThis_, byte *pParams, byte *pReturnValue)
        {
            tWeakRef *         pThis  = (tWeakRef *)pThis_;
            /*HEAP_PTR*/ byte *target = ((/*HEAP_PTR*/ byte **)pParams)[0];

            if (pThis->target != null)
            {
                tWeakRef **ppWeakRef = (tWeakRef **)Heap.GetWeakRefAddress(pThis->target);
                while (*ppWeakRef != null)
                {
                    tWeakRef *pWeakRef = *ppWeakRef;
                    if (pWeakRef == pThis)
                    {
                        *ppWeakRef = pWeakRef->pNextWeakRef;
                        Heap.RemovedWeakRefTarget(pWeakRef->target);
                        goto foundOK;
                    }
                    ppWeakRef = &(pWeakRef->pNextWeakRef);
                }
                Sys.Crash("WeakRef.set_Target() Error: cannot find weak-ref target for removal");
                foundOK :;
            }
            pThis->target = target;
            if (target != null)
            {
                pThis->pNextWeakRef = (tWeakRef *)Heap.SetWeakRefTarget(target, (/*HEAP_PTR*/ byte *)pThis);
            }

            return(null);
        }
Exemplo n.º 2
0
        public static void GetConstant(tMetaData *pThis, /*IDX_TABLE*/ uint idx, byte *pResultMem)
        {
            tMD_Constant *pConst = null;

            switch (MetaData.TABLE_ID(idx))
            {
            case MetaDataTable.MD_TABLE_FIELDDEF:
            {
                tMD_FieldDef *pField = (tMD_FieldDef *)MetaData.GetTableRow(pThis, idx);
                pConst = (tMD_Constant *)pField->pMemory;
            }
            break;

            default:
                Sys.Crash("MetaData.GetConstant() Cannot handle idx: 0x%08x", idx);
                break;
            }

            switch (pConst->type)
            {
            case Type.ELEMENT_TYPE_I4:
                //*(uint*)pReturnMem = MetaData.DecodeSigEntry(
                Mem.memcpy(pResultMem, pConst->value + 1, 4);
                return;

            default:
                Sys.Crash("MetaData.GetConstant() Cannot handle value type: 0x%02x", pConst->type);
                break;
            }
        }
Exemplo n.º 3
0
        public static tMetaData *GetResolutionScopeMetaData(tMetaData *pMetaData, /*IDX_TABLE*/ uint resolutionScopeToken,
                                                            tMD_TypeDef **ppInNestedType)
        {
            switch (MetaData.TABLE_ID(resolutionScopeToken))
            {
            case MetaDataTable.MD_TABLE_ASSEMBLYREF:
            {
                tMD_AssemblyRef *pAssemblyRef;

                pAssemblyRef = (tMD_AssemblyRef *)MetaData.GetTableRow(pMetaData, resolutionScopeToken);
                *ppInNestedType = null;
                return(CLIFile.GetMetaDataForAssembly(pAssemblyRef->name));
            }

            case MetaDataTable.MD_TABLE_TYPEREF:
            {
                tMD_TypeDef *pTypeDef;

                pTypeDef = MetaData.GetTypeDefFromDefRefOrSpec(pMetaData, resolutionScopeToken, null, null);
                *ppInNestedType = pTypeDef;
                return(pTypeDef->pMetaData);
            }

            default:
                Sys.Crash("MetaData.GetResolutionScopeMetaData(): Cannot resolve token: 0x%08x", resolutionScopeToken);
                return(null);
            }
        }
Exemplo n.º 4
0
        public static tMD_FieldDef *GetFieldDefFromDefOrRef(tMetaData *pMetaData, /*IDX_TABLE*/ uint token,
                                                            tMD_TypeDef **ppClassTypeArgs, tMD_TypeDef **ppMethodTypeArgs)
        {
            void *pTableEntry;

            pTableEntry = MetaData.GetTableRow(pMetaData, token);
            if (((tMDC_ToFieldDef *)pTableEntry)->pFieldDef != null)
            {
                return(((tMDC_ToFieldDef *)pTableEntry)->pFieldDef);
            }

            switch (MetaData.TABLE_ID(token))
            {
            case MetaDataTable.MD_TABLE_FIELDDEF:
                ((tMDC_ToFieldDef *)pTableEntry)->pFieldDef = (tMD_FieldDef *)pTableEntry;
                return((tMD_FieldDef *)pTableEntry);

            case MetaDataTable.MD_TABLE_MEMBERREF:
            {
                tMD_MemberRef *pMemberRef;

                pMemberRef = (tMD_MemberRef *)pTableEntry;
                switch (MetaData.TABLE_ID(pMemberRef->class_))
                {
                case MetaDataTable.MD_TABLE_TYPEREF:
                case MetaDataTable.MD_TABLE_TYPESPEC:
                {
                    tMD_TypeDef * pTypeDef;
                    tMD_FieldDef *pFieldDef;

                    pTypeDef  = MetaData.GetTypeDefFromDefRefOrSpec(pMetaData, pMemberRef->class_, ppClassTypeArgs, ppMethodTypeArgs);
                    pFieldDef = FindFieldInType(pTypeDef, pMemberRef->name);
                    if (MetaData.TABLE_ID(pMemberRef->class_) == MetaDataTable.MD_TABLE_TYPEREF)
                    {
                        // Can't do this for TypeSpec because the resulting TypeDef will change
                        // depending on what the class type arguments are.
                        ((tMDC_ToFieldDef *)pTableEntry)->pFieldDef = pFieldDef;
                    }
                    return(pFieldDef);
                }

                default:
                    Sys.Crash("MetaData.GetMethodDefFromMethodDefOrRef(): Cannot handle pMemberRef->class_=0x%08x", pMemberRef->class_);
                    break;
                }
                return(null);
            }
            }

            Sys.Crash("MetaData.GetFieldDefFromDefOrRef(): Cannot handle token: 0x%08x", token);
            return(null);
        }
Exemplo n.º 5
0
        static byte[] BuildTableRowSize(params int[] args)
        {
            byte[] rowSize = new byte[args.Length];
            for (int tableID = 0; tableID < args.Length; tableID++)
            {
                byte *pDef = tableDefs[tableID];
                if (pDef != null)
                {
                    int defLen = (int)S.strlen(pDef);
                    int rowLen = 0;
                    for (int i = 0; i < defLen; i += 2)
                    {
                        switch ((char)pDef[i + 1])
                        {
                        case '*':
                            rowLen += sizeof(SIZE_T);
                            break;

                        case 'i':
                            rowLen += 4;
                            break;

                        case 's':
                            rowLen += 2;
                            break;

                        case 'c':
                            rowLen++;
                            break;

                        case 'x':
                            // Do nothing
                            break;

                        default:
                            Sys.Crash("Cannot determine length of MetaData destination definition character '%c'\n", pDef[tableID + 1]);
                            break;
                        }
                    }
                    int structLen = args[tableID];
                    if (rowLen != structLen)
                    {
                        Sys.Crash("Metadata decoder string row len does not match target struct size %d != %d", rowLen, structLen);
                    }
                }
                rowSize[tableID] = (byte)args[tableID];
            }
            return(rowSize);
        }
Exemplo n.º 6
0
        public static tCLIFile *WrapMonoAssembly(/*char**/ byte *pAssemblyName)
        {
            tCLIFile *    pRet;
            tFilesLoaded *pNewFile;
            tMetaData *   pMetaData;

            System.Reflection.Assembly assembly = null;

            string assemblyName = Marshal.PtrToStringAnsi((System.IntPtr)pAssemblyName);

            System.Reflection.Assembly[] assemblies = System.AppDomain.CurrentDomain.GetAssemblies();
            for (int i = 0; i < assemblies.Length; i++)
            {
                System.Reflection.Assembly assem = assemblies[i];
                if (assem.GetName().Name == assemblyName)
                {
                    assembly = assem;
                    break;
                }
            }

            if (assembly == null)
            {
                Sys.Crash("Unable to load assembly file %s", (PTR)pAssemblyName);
            }

            pRet = ((tCLIFile *)Mem.malloc((SIZE_T)sizeof(tCLIFile)));
            Mem.memset(pRet, 0, (SIZE_T)sizeof(tCLIFile));

            pRet->pMetaData = pMetaData = MetaData.New();
            MetaData.WrapMonoAssembly(pMetaData, assembly);

            string codeBase = assembly.CodeBase;

            System.UriBuilder uri      = new System.UriBuilder(codeBase);
            string            path     = System.Uri.UnescapeDataString(uri.Path);
            string            assmName = System.IO.Path.GetFileNameWithoutExtension(path);

            pRet->assemblyName = new S(assmName);

            // Record that we've loaded this file
            pNewFile           = ((tFilesLoaded *)Mem.mallocForever((SIZE_T)sizeof(tFilesLoaded)));
            pNewFile->pCLIFile = pRet;
            pNewFile->pNext    = pFilesLoaded;
            pFilesLoaded       = pNewFile;

            return(pRet);
        }
Exemplo n.º 7
0
        public static tMD_ImplMap *GetImplMap(tMetaData *pMetaData, /*IDX_TABLE*/ uint memberForwardedToken)
        {
            uint i;

            for (i = pMetaData->tables.numRows[MetaDataTable.MD_TABLE_IMPLMAP]; i >= 1; i--)
            {
                tMD_ImplMap *pImplMap = (tMD_ImplMap *)MetaData.GetTableRow(pMetaData, MetaData.MAKE_TABLE_INDEX(MetaDataTable.MD_TABLE_IMPLMAP, i));
                if (pImplMap->memberForwarded == memberForwardedToken)
                {
                    return(pImplMap);
                }
            }

            Sys.Crash("MetaData.GetImplMap() Cannot find mapping for token: 0x%08x", memberForwardedToken);
            return(null);
        }
Exemplo n.º 8
0
 public static /*fnInternalCall*/ void *Map(tMD_MethodDef *pMethod)
 {
     if (pMethod->monoMethodCall != null)
     {
         return(pMethod->monoMethodCall);
     }
     else if (pMethod->pParentType->pParent == Type.types[Type.TYPE_SYSTEM_MULTICASTDELEGATE])
     {
         // Special case to handle delegates
         /*fnInternalCall*/ void *fn = Map_Delegate(pMethod);
         if (fn != null)
         {
             return(fn);
         }
     }
     else
     {
         /*STRING*/ byte *curNameSpace = null;
         /*STRING*/ byte *curType      = null;
         for (int i = 0; i < internalCalls.Length; i++)
         {
             fixed(tInternalCall *pCall = &internalCalls[i])
             {
                 if (pCall->nameSpace != null)
                 {
                     curNameSpace = pCall->nameSpace;
                 }
                 if (pCall->type != null)
                 {
                     curType = pCall->type;
                 }
                 if (S.strcmp(pMethod->pParentType->nameSpace, curNameSpace) == 0)
                 {
                     if (S.strcmp(pMethod->pParentType->name, curType) == 0)
                     {
                         if (Type.IsMethod(pMethod, pCall->method, Type.types[pCall->returnType], pCall->numParameters, pCall->parameterTypes) != 0)
                         {
                             return(pCall->fn);
                         }
                     }
                 }
             }
         }
     }
     Sys.Crash("InternalCall_Map(): Cannot map [%s]%s.%s", (PTR)pMethod->pParentType->nameSpace, (PTR)pMethod->pParentType->name, (PTR)pMethod->name);
     return(null);
 }
Exemplo n.º 9
0
 public static tMD_TypeDef *GetType(/*HEAP_PTR*/ byte *heapObj)
 {
     #if DEBUG_HEAP
     if (heapObj == null)
     {
         Sys.Crash("Null reference to heap obj");
     }
     #endif
     tHeapEntry *pHeapEntry = GET_HEAPENTRY(heapObj);
     #if DEBUG_HEAP
     if (pHeapEntry->signature != VALID_HEAP_OBJ_SIG)
     {
         Sys.Crash("Invalid heap object in GetMonoObject()");
     }
     #endif
     return(pHeapEntry->pTypeDef);
 }
Exemplo n.º 10
0
        static tMD_FieldDef *FindFieldInType(tMD_TypeDef *pTypeDef, /*STRING*/ byte *name)
        {
            uint i;

            MetaData.Fill_TypeDef(pTypeDef, null, null, Type.TYPE_FILL_LAYOUT);

            for (i = 0; i < pTypeDef->numFields; i++)
            {
                if (S.strcmp(pTypeDef->ppFields[i]->name, name) == 0)
                {
                    return(pTypeDef->ppFields[i]);
                }
            }

            Sys.Crash("FindFieldInType(): Cannot find field '%s' in type %s.%s", (PTR)name, (PTR)pTypeDef->nameSpace, (PTR)pTypeDef->name);
            return(null);
        }
Exemplo n.º 11
0
        public static /*HEAP_PTR*/ byte *Alloc(tMD_TypeDef *pTypeDef, uint size)
        {
            tHeapEntry *pHeapEntry;
            uint        totalSize;
            byte *      pMem;

            if (pTypeDef == null)
            {
                Sys.Crash("Invalid heap type!");
            }

            totalSize = (uint)sizeof(tHeapEntry) + size;

            // Trigger garbage collection if required.
            if (trackHeapSize >= heapSizeMax)
            {
                GarbageCollect();
                heapSizeMax = (trackHeapSize + totalSize) << 1;
                if (heapSizeMax < trackHeapSize + totalSize + MIN_HEAP_SIZE)
                {
                    // Make sure there is always MIN_HEAP_SIZE available to allocate on the heap
                    heapSizeMax = trackHeapSize + totalSize + MIN_HEAP_SIZE;
                }
                if (heapSizeMax > trackHeapSize + totalSize + MAX_HEAP_EXCESS)
                {
                    // Make sure there is never more that MAX_HEAP_EXCESS space on the heap
                    heapSizeMax = trackHeapSize + totalSize + MAX_HEAP_EXCESS;
                }
            }

            pHeapEntry                 = (tHeapEntry *)Mem.malloc(totalSize);
            pHeapEntry->pTypeDef       = pTypeDef;
            pHeapEntry->signature      = VALID_HEAP_OBJ_SIG;
            pHeapEntry->pSync          = null;
            pHeapEntry->needToFinalize = (byte)((pTypeDef->pFinalizer != null) ? 1 : 0);
            pMem = (byte *)pHeapEntry + sizeof(tHeapEntry);
            Mem.memset(pMem, 0, size);
            trackHeapSize += totalSize;

            pHeapTreeRoot = TreeInsert(pHeapTreeRoot, pHeapEntry);
            numNodes++;

            return(pMem);
        }
Exemplo n.º 12
0
        public static tMetaData *GetMetaDataForLoadedAssembly(byte *pLoadedAssemblyName)
        {
            tFilesLoaded *pFiles = pFilesLoaded;

            while (pFiles != null)
            {
                tCLIFile *    pCLIFile      = pFiles->pCLIFile;
                tMD_Assembly *pThisAssembly = (tMD_Assembly *)MetaData.GetTableRow(pCLIFile->pMetaData, MetaData.MAKE_TABLE_INDEX(0x20, 1));
                if (S.strcmp(pLoadedAssemblyName, pThisAssembly->name) == 0)
                {
                    // Found the correct assembly, so return its meta-data
                    return(pCLIFile->pMetaData);
                }
                pFiles = pFiles->pNext;
            }

            Sys.Crash("Assembly %s is not loaded\n", (PTR)pLoadedAssemblyName);
            return(null);
        }
Exemplo n.º 13
0
        public static tCLIFile *LoadAssembly(/*char**/ byte *pFileName)
        {
            byte[]        rawData;
            tCLIFile *    pRet;
            tFilesLoaded *pNewFile;
            byte *        filepath      = stackalloc byte[512];
            tMD_Assembly *pThisAssembly = null;

            rawData = null;
            for (int i = 0; i < assemblySearchPathsCount; i++)
            {
                S.snprintf(filepath, 512, "%s/%s", (PTR)assemblySearchPaths[i], (PTR)pFileName);
                rawData = LoadFileFromDisk(filepath);
                if (rawData != null)
                {
                    break;
                }
            }
            if (rawData == null)
            {
                Sys.Crash("Unable to load assembly file %s", (PTR)pFileName);
            }

            Sys.log_f(1, "\nLoading file: %s\n", (PTR)pFileName);

            pRet = LoadPEFile(rawData);

            // Get the assembly info - there is only ever one of these in the each file's metadata
            pThisAssembly = (tMD_Assembly *)MetaData.GetTableRow(pRet->pMetaData, MetaData.MAKE_TABLE_INDEX(0x20, 1));
            int nameLen = S.strlen(pThisAssembly->name) + 1;

            pRet->assemblyName = (byte *)Mem.mallocForever((uint)nameLen);
            S.strncpy(pRet->assemblyName, pThisAssembly->name, nameLen);

            // Record that we've loaded this file
            pNewFile           = ((tFilesLoaded *)Mem.mallocForever((SIZE_T)sizeof(tFilesLoaded)));
            pNewFile->pCLIFile = pRet;
            pNewFile->pNext    = pFilesLoaded;
            pFilesLoaded       = pNewFile;

            return(pRet);
        }
Exemplo n.º 14
0
        public static tMD_TypeDef *GetTypeDefFromName(tMetaData *pMetaData, /*STRING*/ byte *nameSpace, /*STRING*/ byte *name,
                                                      tMD_TypeDef *pInNestedClass, byte assertExists)
        {
            uint         i, numRows;
            tMD_TypeDef *pTypeDef = null;

            numRows = pMetaData->tables.numRows[MetaDataTable.MD_TABLE_TYPEDEF];
            for (i = 1; i <= numRows; i++)
            {
                pTypeDef = (tMD_TypeDef *)MetaData.GetTableRow(pMetaData, MetaData.MAKE_TABLE_INDEX(MetaDataTable.MD_TABLE_TYPEDEF, i));
                if (pInNestedClass == pTypeDef->pNestedIn &&
                    S.strcmp(name, pTypeDef->name) == 0 &&
                    (pInNestedClass != null || S.strcmp(nameSpace, pTypeDef->nameSpace) == 0))
                {
                    return(pTypeDef);
                }
            }

            if (pMetaData->ppChildMetaData != null)
            {
                i = 0;
                while (pMetaData->ppChildMetaData[i] != null)
                {
                    pTypeDef = GetTypeDefFromName(pMetaData->ppChildMetaData[i], nameSpace, name, pInNestedClass, assertExists);
                    if (pTypeDef != null)
                    {
                        return(pTypeDef);
                    }
                    i++;
                }
            }

            if (assertExists != 0)
            {
                Sys.Crash("MetaData.GetTypeDefFromName(): Cannot find type %s.%s", (PTR)nameSpace, (PTR)name);
                return(null);
            }
            else
            {
                return(null);
            }
        }
Exemplo n.º 15
0
        public static tMD_TypeDef *FindTypeInAllLoadedAssemblies(/*STRING*/ byte *nameSpace, /*STRING*/ byte *name)
        {
            tFilesLoaded *pFiles = pFilesLoaded;

            while (pFiles != null)
            {
                tCLIFile *pCLIFile = pFiles->pCLIFile;

                tMD_TypeDef *typeDef = MetaData.GetTypeDefFromName(pCLIFile->pMetaData, nameSpace, name, null, /* assertExists */ 0);
                if (typeDef != null)
                {
                    return(typeDef);
                }

                pFiles = pFiles->pNext;
            }

            Sys.Crash("CLIFile_FindTypeInAllLoadedAssemblies(): Cannot find type %s.%s", (PTR)nameSpace, (PTR)name);
            return(null);
        }
Exemplo n.º 16
0
        public static tMD_TypeDef *GetTypeDefFromFieldDef(tMD_FieldDef *pFieldDef)
        {
            tMetaData *pMetaData;
            uint       i;

            pMetaData = pFieldDef->pMetaData;
            for (i = pMetaData->tables.numRows[MetaDataTable.MD_TABLE_TYPEDEF]; i > 0; i--)
            {
                tMD_TypeDef *pTypeDef;

                pTypeDef = (tMD_TypeDef *)MetaData.GetTableRow(pMetaData, MetaData.MAKE_TABLE_INDEX(MetaDataTable.MD_TABLE_TYPEDEF, i));
                if (pTypeDef->fieldList <= pFieldDef->tableIndex)
                {
                    return(pTypeDef);
                }
            }

            Sys.Crash("MetaData.GetTypeDefFromFieldDef(): Cannot find type for field: %s", (PTR)pFieldDef->name);
            return(null);
        }
Exemplo n.º 17
0
        public static object GetMonoObject(/*HEAP_PTR*/ byte *heapObj)
        {
            tHeapEntry *pHeapEntry = GET_HEAPENTRY(heapObj);

            #if DEBUG_HEAP
            if (pHeapEntry->signature != VALID_HEAP_OBJ_SIG)
            {
                Sys.Crash("Invalid heap object in GetMonoObject()");
            }
            #endif
            if (pHeapEntry->monoHandle != 0)
            {
                void *p = *(void **)heapObj;
                if (p == null)
                {
                    return(null);
                }
                return(H.ToObj(p));
            }
            return(null);
        }
Exemplo n.º 18
0
        public static object GetMonoObject(/*HEAP_PTR*/ byte *heapObj)
        {
            tHeapEntry *pHeapEntry = GET_HEAPENTRY(heapObj);

            #if DEBUG_HEAP
            if (pHeapEntry->signature != VALID_HEAP_OBJ_SIG)
            {
                Sys.Crash("Invalid heap object in GetMonoObject()");
            }
            #endif
            if (pHeapEntry->monoGCHandle != 0)
            {
                void *p = *(void **)heapObj;
                if (p == null)
                {
                    return(null);
                }
                GCHandle handle = (GCHandle)(System.IntPtr)p;
                return(handle.Target);
            }
            return(null);
        }
Exemplo n.º 19
0
        public static void *StackAlloc(tThread *pThread, uint size)
        {
            tThreadStack *pStack = pThread->pThreadStack;
            void *        pAddr  = pStack->memory + pStack->ofs;

        #if _DEBUG
            *(uint *)pAddr = 0xabababab;
            ((uint *)pAddr)++;
            pStack->ofs += 4;
        #endif
            pStack->ofs += size;
            if (pStack->ofs > tThreadStack.THREADSTACK_CHUNK_SIZE)
            {
                Sys.Crash("Thread-local stack is too large");
            }
        #if _DEBUG
            Mem.memset(pAddr, 0xcd, size);
            *(uint *)(((byte *)pAddr) + size) = 0xfbfbfbfb;
            pStack->ofs += 4;
        #endif
            return(pAddr);
        }
Exemplo n.º 20
0
        public static tMD_MethodDef *FindInterfaceOverriddenMethod(tMD_MethodDef *pInterfaceMethod, MethodInfo[] interfaceMethods, MethodInfo[] targetMethods)
        {
            byte *     targetName          = stackalloc byte[256];
            MethodInfo interfaceMethodInfo = null;

            for (int i = 0; i < interfaceMethods.Length; i++)
            {
                if (S.strcmp(pInterfaceMethod->name, interfaceMethods[i].Name) == 0)
                {
                    interfaceMethodInfo = targetMethods[i];
                    break;
                }
            }
            if (interfaceMethodInfo == null)
            {
                Sys.Crash("Unable to find mapped method %s", (PTR)(pInterfaceMethod->name));
            }
            S.strncpy(targetName, interfaceMethodInfo.Name, 256);
            tMD_MethodDef *pOverriddenMethod    = null;
            tMD_TypeDef *  pInterfaceTargetType = GetTypeForMonoType(interfaceMethodInfo.DeclaringType, null, null);

            for (int i = 0; i < pInterfaceTargetType->numMethods; i++)
            {
                tMD_MethodDef *pMethodDef = pInterfaceTargetType->ppMethods[i];
                MethodInfo     methodInfo = H.ToObj(pMethodDef->monoMethodInfo) as MethodInfo;
                if (methodInfo == interfaceMethodInfo)
                {
                    return(pInterfaceTargetType->ppMethods[i]);
                }
                else if (MetaData.CompareNameAndMethodInfo(targetName, interfaceMethodInfo, pInterfaceMethod->pMetaData,
                                                           pInterfaceMethod->pParentType->ppClassTypeArgs, pInterfaceMethod->ppMethodTypeArgs,
                                                           pMethodDef, pMethodDef->pParentType->ppClassTypeArgs, null) != 0)
                {
                    return(pInterfaceTargetType->ppMethods[i]);
                }
            }
            return(null);
        }
Exemplo n.º 21
0
        //[System.Diagnostics.Conditional("CHECK_HEAP")]
        public static void heapcheck()
        {
            if (Sys.isCrashed == 1)
            {
                return;
            }
            byte *p = pMem;
            byte *e = pMem + memUsed;

            for (;;)
            {
                if (*(ulong *)p != HEAP_DEAD_BEEF)
                {
                    Sys.Crash("ERROR: Heap corruption detected!");
                }
                if (p >= e)
                {
                    break;
                }
                uint   size     = *(uint *)(p + 8);
                SIZE_T realSize = 16 + ((size + 7) & 0xFFFFFFF8);
                p += realSize;
            }
        }
Exemplo n.º 22
0
        public static void Fill_TypeDef(tMD_TypeDef *pTypeDef, tMD_TypeDef **ppClassTypeArgs,
                                        tMD_TypeDef **ppMethodTypeArgs, uint resolve = Type.TYPE_FILL_ALL)
        {
            uint         instanceMemSize, staticMemSize, virtualOfs, isDeferred, i, j;
            int          lastPeriod;
            tMetaData *  pMetaData;
            tMD_TypeDef *pParent;

            System.Type    monoType;
            tMD_FieldDef * pFieldDefs;
            tMD_MethodDef *pMethodDefs;

            FieldInfo[] fieldInfos = null;
            FieldInfo   fieldInfo;

            MethodInfo[]      methodInfos      = null;
            ConstructorInfo[] constructorInfos = null;
            MethodBase        methodBase;
            tMD_MethodDef *   pMethodDef;

            if (pTypeDef->fillState >= resolve)
            {
                return;
            }

            if (pTypeDef->monoType == null)
            {
                MetaData.Fill_TypeDef(pTypeDef, ppClassTypeArgs, ppMethodTypeArgs, resolve);
                return;
            }

            //Sys.printf("FILLING TYPE: %s\n", (PTR)pTypeDef->name);

            if (MetaData.typesToFill == null)
            {
                MetaData.Fill_StartDefer();
                isDeferred = 1;
            }
            else
            {
                isDeferred = 0;
            }

            if (resolve < Type.TYPE_FILL_ALL)
            {
                MetaData.Fill_Defer(pTypeDef, ppClassTypeArgs, ppMethodTypeArgs);
            }

            MetaData.Fill_GetDeferredTypeArgs(pTypeDef, ref ppClassTypeArgs, ref ppMethodTypeArgs);

            monoType  = H.ToObj(pTypeDef->monoType) as System.Type;
            pMetaData = pTypeDef->pMetaData;

            if (pTypeDef->fillState < Type.TYPE_FILL_PARENTS)
            {
                pTypeDef->fillState = Type.TYPE_FILL_PARENTS;

                // For Methods, we get only public if sealed, or public/protected if not sealed
                methodInfos = GetMethods(monoType);
                // For fields, we only get private fields for value types
                fieldInfos = GetFields(monoType);
                // For constructors, we get only public if sealed, or public/protected if not sealed
                constructorInfos = GetConstructors(monoType);

                pTypeDef->pTypeDef = pTypeDef;

                pTypeDef->pParent = MonoType.GetTypeForMonoType(monoType.BaseType, null, null);
                pParent           = pTypeDef->pParent;

                pTypeDef->isValueType = (byte)(monoType.IsValueType ? 1 : 0);

                if (pParent != null)
                {
                    MetaData.Fill_TypeDef(pParent, null, null, Type.TYPE_FILL_PARENTS);
                    if (pParent->hasMonoBase == 0)
                    {
                        // If we have a mono base type, we have at least 1 non-blittable field
                        pTypeDef->blittable      = pParent->blittable;
                        pTypeDef->fixedBlittable = pParent->fixedBlittable;
                    }
                    else
                    {
                        pTypeDef->blittable = pTypeDef->fixedBlittable = 0;
                    }
                }
                else
                {
                    // For mono types - reference types are NEVER blittable in our implementation
                    pTypeDef->blittable = pTypeDef->fixedBlittable = pTypeDef->isValueType;
                }

                pTypeDef->alignment = 1;

                // Mark all ref types as having a base Mono Handle pointer as the first slot in their instance data.  This allows
                // the Heap system to call FREE on this Handle whenever we garbage collect mono wrapped or derived heap objects.
                pTypeDef->hasMonoBase = (byte)(monoType.IsValueType ? 0 : 1);

                // If not primed, then work out how many methods & fields there are.
                if (pTypeDef->isPrimed == 0)
                {
                    // Methods
                    pTypeDef->numMethods = (uint)(constructorInfos.Length + methodInfos.Length);
                    // Fields
                    pTypeDef->numFields = (uint)fieldInfos.Length;
                }

                // If this is an enum type, then pretend its stack type is its underlying type
                if (pTypeDef->pParent == Type.types[Type.TYPE_SYSTEM_ENUM])
                {
                    pTypeDef->stackType        = EvalStack.EVALSTACK_INT32;
                    pTypeDef->stackSize        = sizeof(PTR);
                    pTypeDef->instanceMemSize  = 4;
                    pTypeDef->arrayElementSize = 4;
                    pTypeDef->blittable        = pTypeDef->fixedBlittable = 1;
                }

                if (pTypeDef->fillState >= resolve)
                {
                    return;
                }
            }
            else
            {
                pParent = pTypeDef->pParent;
            }

            if (pTypeDef->fillState < Type.TYPE_FILL_LAYOUT)
            {
                pTypeDef->fillState = Type.TYPE_FILL_LAYOUT;

                if (pParent != null)
                {
                    if (pParent->fillState < Type.TYPE_FILL_LAYOUT)
                    {
                        MetaData.Fill_TypeDef(pParent, null, null, Type.TYPE_FILL_LAYOUT);
                    }
                    else if (pParent->fillState < Type.TYPE_FILL_ALL)
                    {
                        MetaData.Fill_Defer(pParent, null, null);
                    }
                }

                // This only needs to be done for non-generic Type.types, or for generic type that are not a definition
                // I.e. Fully instantiated generic Type.types
                if (pTypeDef->isGenericDefinition == 0)
                {
                    // For fields, we only get private fields for value types
                    if (fieldInfos == null)
                    {
                        fieldInfos = GetFields(monoType);
                    }

                    // Resolve fields, members, interfaces.
                    // Only needs to be done if it's not a generic definition type

                    // It it's not a value-type and the stack-size is not preset, then set it up now.
                    // It needs to be done here as non-static fields in non-value type can point to the containing type
                    if (pTypeDef->stackSize == 0 && pTypeDef->isValueType == 0)
                    {
                        pTypeDef->stackType = EvalStack.EVALSTACK_O;
                        pTypeDef->stackSize = sizeof(PTR);
                        pTypeDef->alignment = sizeof(PTR);
                    }
                    // Resolve all fields - instance ONLY at this point,
                    // because static fields in value-Type.types can be of the containing type, and the size is not yet known.
                    staticMemSize = 0;
                    if (pTypeDef->numFields > 0)
                    {
                        pTypeDef->ppFields = (tMD_FieldDef **)Mem.mallocForever((SIZE_T)(pTypeDef->numFields * sizeof(tMD_FieldDef *)));
                        pFieldDefs         = (tMD_FieldDef *)Mem.mallocForever((SIZE_T)(pTypeDef->numFields * sizeof(tMD_FieldDef)));
                        Mem.memset(pFieldDefs, 0, (SIZE_T)(pTypeDef->numFields * sizeof(tMD_FieldDef)));
                    }
                    else
                    {
                        pFieldDefs = null;
                    }
                    instanceMemSize = 0;
                    for (i = 0; i < fieldInfos.Length; i++)
                    {
                        fieldInfo = fieldInfos[i];
                        tMD_FieldDef *pFieldDef = &pFieldDefs[i];

                        pFieldDef->name  = new S(fieldInfo.Name);
                        pFieldDef->flags = (ushort)(
                            (fieldInfo.IsStatic ? MetaData.FIELDATTRIBUTES_STATIC : 0) |
                            (fieldInfo.IsLiteral ? MetaData.FIELDATTRIBUTES_LITERAL : 0)
                            );

                        if (!fieldInfo.IsStatic)
                        {
                            if (fieldInfo.IsLiteral /*|| MetaData.FIELD_HASFIELDRVA(pFieldDef)*/)
                            {
                                // If it's a literal, then analyse the field, but don't include it in any memory allocation
                                // If is has an RVA, then analyse the field, but don't include it in any memory allocation
                                MonoType.Fill_FieldDef(pTypeDef, fieldInfo, pFieldDef, 0, null, ppClassTypeArgs);
                            }
                            else
                            {
                                MonoType.Fill_FieldDef(pTypeDef, fieldInfo, pFieldDef, instanceMemSize, &(pTypeDef->alignment), ppClassTypeArgs);
                                instanceMemSize = pFieldDef->memOffset + pFieldDef->memSize;
                            }
                            // Update blittable and fixedBlittable status for type - if any non-blittable fields are included set to 0
                            if (pTypeDef->blittable != 0 || pTypeDef->fixedBlittable != 0)
                            {
                                if (pFieldDef->pType->isValueType == 0 || pFieldDef->pType->blittable == 0)
                                {
                                    pTypeDef->blittable = pTypeDef->fixedBlittable = 0;
                                }
                                else if (pFieldDef->pType->typeInitId == Type.TYPE_SYSTEM_INTPTR ||
                                         pFieldDef->pType->typeInitId == Type.TYPE_SYSTEM_UINTPTR)
                                {
                                    pTypeDef->fixedBlittable = 0;
                                }
                            }
                            pTypeDef->ppFields[i] = pFieldDef;
                        }
                    }
                    if (pTypeDef->instanceMemSize == 0)
                    {
                        if (pTypeDef->isValueType != 0)
                        {
                            // Our dna value types are the same size as they are in mono (hopefully!)
                            pTypeDef->instanceMemSize = (instanceMemSize + (pTypeDef->alignment - 1)) & ~(pTypeDef->alignment - 1);
                        }
                        else
                        {
                            // For mono reference types, the instance size is ALWAYS ptr size because we're wrapping a mono GCHandle pointer
                            pTypeDef->instanceMemSize = sizeof(PTR);
                        }
                    }

                    // Sort out stack type and size.
                    // Note that this may already be set, as some basic type have this preset;
                    // or if it's not a value-type it'll already be set
                    if (pTypeDef->stackSize == 0)
                    {
                        // if it gets here then it must be a value type
                        pTypeDef->stackType = EvalStack.EVALSTACK_VALUETYPE;
                        pTypeDef->stackSize = pTypeDef->instanceMemSize;
                    }

                    // Sort out array element size. Note that some basic type will have this preset.
                    if (pTypeDef->arrayElementSize == 0)
                    {
                        pTypeDef->arrayElementSize = pTypeDef->stackSize;
                    }

                    // Make sure stack size is even multiple of stack alignment
                    pTypeDef->stackSize = (pTypeDef->stackSize + (STACK_ALIGNMENT - 1)) & ~(STACK_ALIGNMENT - 1);

                    // Handle static fields
                    for (i = 0; i < fieldInfos.Length; i++)
                    {
                        fieldInfo = fieldInfos[i];
                        tMD_FieldDef *pFieldDef = &pFieldDefs[i];

                        if (fieldInfo.IsStatic)
                        {
                            if (fieldInfo.IsLiteral /*|| MetaData.FIELD_HASFIELDRVA(pFieldDef)*/)
                            {
                                // If it's a literal, then analyse the field, but don't include it in any memory allocation
                                // If is has an RVA, then analyse the field, but don't include it in any memory allocation
                                MonoType.Fill_FieldDef(pTypeDef, fieldInfo, pFieldDef, 0, null, ppClassTypeArgs);
                            }
                            else
                            {
                                MonoType.Fill_FieldDef(pTypeDef, fieldInfo, pFieldDef, staticMemSize, null, ppClassTypeArgs);
                                staticMemSize += pFieldDef->memSize;
                            }
                            pTypeDef->ppFields[i] = pFieldDef;
                        }
                    }
                }

                if (pTypeDef->fillState >= resolve)
                {
                    return;
                }
            }

            if (pTypeDef->fillState < Type.TYPE_FILL_VTABLE)
            {
                pTypeDef->fillState = Type.TYPE_FILL_VTABLE;

                if (pParent != null)
                {
                    if (pParent->fillState < Type.TYPE_FILL_VTABLE)
                    {
                        MetaData.Fill_TypeDef(pParent, null, null, Type.TYPE_FILL_VTABLE);
                    }
                    else if (pParent->fillState < Type.TYPE_FILL_ALL)
                    {
                        MetaData.Fill_Defer(pParent, null, null);
                    }
                }

                // This only needs to be done for non-generic Type.types, or for generic type that are not a definition
                // I.e. Fully instantiated generic Type.types
                if (pTypeDef->isGenericDefinition == 0)
                {
                    virtualOfs = (pParent != null) ? pParent->numVirtualMethods : 0;

                    // For Methods, we get only public if sealed, or public/protected if not sealed
                    if (methodInfos == null)
                    {
                        methodInfos = GetMethods(monoType);
                    }
                    // For constructors, we get only public if sealed, or public/protected if not sealed
                    if (constructorInfos == null)
                    {
                        constructorInfos = GetConstructors(monoType);
                    }

                    // Populate methods
                    pTypeDef->ppMethods = (tMD_MethodDef **)Mem.mallocForever((SIZE_T)(pTypeDef->numMethods * sizeof(tMD_MethodDef *)));
                    pMethodDefs         = (tMD_MethodDef *)Mem.mallocForever((SIZE_T)(pTypeDef->numMethods * sizeof(tMD_MethodDef)));
                    Mem.memset(pMethodDefs, 0, (SIZE_T)(pTypeDef->numMethods * sizeof(tMD_MethodDef)));
                    for (i = 0; i < pTypeDef->numMethods; i++)
                    {
                        methodBase = (i < constructorInfos.Length) ?
                                     (MethodBase)constructorInfos[i] : methodInfos[i - constructorInfos.Length];
                        pMethodDef = &pMethodDefs[i];

                        lastPeriod = methodBase.Name.LastIndexOf('.');
                        if (methodBase is ConstructorInfo || lastPeriod == -1)
                        {
                            pMethodDef->name = new S(methodBase.Name);
                        }
                        else
                        {
                            string nameMinusExclInterfaceName = methodBase.Name.Substring(lastPeriod + 1);
                            pMethodDef->name = new S(nameMinusExclInterfaceName);
                        }

                        pMethodDef->monoMethodInfo = new H(methodBase);
                        pMethodDef->pMetaData      = pMetaData;
                        pMethodDef->pParentType    = pTypeDef;
                        pMethodDef->flags          = (ushort)(
                            (methodBase.IsVirtual ? MetaData.METHODATTRIBUTES_VIRTUAL : 0) |
                            (methodBase.IsStatic ? MetaData.METHODATTRIBUTES_STATIC : 0));

                        // NOTE: All mono calls are considered internal calls
                        pMethodDef->implFlags  = (ushort)MetaData.METHODIMPLATTRIBUTES_INTERNALCALL;
                        pTypeDef->ppMethods[i] = pMethodDef;

                        // Assign vtable slots
                        if (methodBase.IsVirtual)
                        {
                            if (((MethodInfo)methodBase).GetBaseDefinition().DeclaringType == monoType)
                            {
                                // Allocate a new vTable slot if method is explicitly marked as NewSlot, or
                                // this is of type Object.
                                pMethodDef->vTableOfs = virtualOfs++;
                            }
                            else
                            {
                                tMD_MethodDef *pVirtualOveriddenMethod;
                                pVirtualOveriddenMethod = MetaData.FindVirtualOverriddenMethod(pTypeDef->pParent, pMethodDef);
                                if (pVirtualOveriddenMethod == null)
                                {
                                    if (pTypeDef->pParent->monoType == null)
                                    {
                                        // DNA types don't always have all base methods that Unity/Mono has.  In those
                                        // cases, just add the missing method to the VTable as a new virtual method.
                                        pMethodDef->vTableOfs = virtualOfs++;
                                    }
                                    else
                                    {
                                        Sys.Crash("Unable to find virtual override %s", (PTR)(pMethodDef->name));
                                    }
                                }
                                else
                                {
                                    pMethodDef->vTableOfs = pVirtualOveriddenMethod->vTableOfs;
                                }
                            }
                        }
                        else
                        {
                            // Dummy value - make it obvious it's not valid!
                            pMethodDef->vTableOfs = 0xffffffff;
                        }

                        pTypeDef->ppMethods[i] = pMethodDef;
                    }

                    // Create the virtual method table
                    pTypeDef->numVirtualMethods = virtualOfs;

                    // Resolve all members
                    pTypeDef->pVTable = (tMD_MethodDef **)Mem.mallocForever((SIZE_T)(pTypeDef->numVirtualMethods * sizeof(tMD_MethodDef *)));
                    // Copy initial vTable from parent
                    if (pTypeDef->pParent != null)
                    {
                        Mem.memcpy(pTypeDef->pVTable, pTypeDef->pParent->pVTable, (SIZE_T)(pTypeDef->pParent->numVirtualMethods * sizeof(tMD_MethodDef *)));
                    }
                    for (i = 0; i < pTypeDef->numMethods; i++)
                    {
                        pMethodDef = pTypeDef->ppMethods[i];
                        methodBase = H.ToObj(pMethodDef->monoMethodInfo) as MethodBase;

                        if (methodBase.IsStatic && methodBase.Name == ".cctor")
                        {
                            // This is a static constructor
                            pTypeDef->pStaticConstructor = pMethodDef;
                        }
                        if (methodBase.IsStatic && pTypeDef->pParent != null &&
                            methodBase.Name == "Finalize")
                        {
                            // This is a Finalizer method, but not for Object.
                            // Delibrately miss out Object's Finalizer because it's empty and will cause every object
                            // of any type to have a Finalizer which will be terrible for performance.
                            pTypeDef->pFinalizer = pMethodDef;
                        }
                        if (methodBase.IsVirtual)
                        {
                            if (pMethodDef->vTableOfs == 0xffffffff)
                            {
                                Sys.Crash("Illegal vtableoffset");
                            }
                            if (pMethodDef->vTableOfs >= pTypeDef->numVirtualMethods)
                            {
                                Sys.Crash("Illegal vtableoffset");
                            }
                            pTypeDef->pVTable[pMethodDef->vTableOfs] = pMethodDef;
                        }
                    }

                    // Find inherited Finalizer, if this type doesn't have an explicit Finalizer, and if there is one
                    if (pTypeDef->pFinalizer == null)
                    {
                        tMD_TypeDef *pInheritedType = pTypeDef->pParent;
                        while (pInheritedType != null)
                        {
                            if (pInheritedType->pFinalizer != null)
                            {
                                pTypeDef->pFinalizer = pInheritedType->pFinalizer;
                                break;
                            }
                            pInheritedType = pInheritedType->pParent;
                        }
                    }
                }

                if (pTypeDef->fillState >= resolve)
                {
                    return;
                }
            }

            if (pTypeDef->fillState < Type.TYPE_FILL_MEMBERS)
            {
                pTypeDef->fillState = Type.TYPE_FILL_MEMBERS;

                if (pParent != null)
                {
                    if (pParent->fillState < Type.TYPE_FILL_MEMBERS)
                    {
                        MetaData.Fill_TypeDef(pParent, null, null, Type.TYPE_FILL_MEMBERS);
                    }
                    else if (pParent->fillState < Type.TYPE_FILL_ALL)
                    {
                        MetaData.Fill_Defer(pParent, null, null);
                    }
                }

                // This only needs to be done for non-generic Type.types, or for generic type that are not a definition
                // I.e. Fully instantiated generic Type.types
                if (pTypeDef->isGenericDefinition == 0)
                {
                    // Fill all method definitions for this type
                    for (i = 0; i < pTypeDef->numMethods; i++)
                    {
                        pMethodDef = pTypeDef->ppMethods[i];
                        methodBase = H.ToObj(pMethodDef->monoMethodInfo) as MethodBase;
                        MonoType.Fill_MethodDef(pTypeDef, methodBase, pTypeDef->ppMethods[i], ppClassTypeArgs, ppMethodTypeArgs);
                    }
                }

                if (pTypeDef->fillState >= resolve)
                {
                    return;
                }
            }

            if (pTypeDef->fillState < Type.TYPE_FILL_INTERFACES)
            {
                pTypeDef->fillState = Type.TYPE_FILL_INTERFACES;

                if (pParent != null)
                {
                    if (pParent->fillState < Type.TYPE_FILL_INTERFACES)
                    {
                        MetaData.Fill_TypeDef(pParent, null, null, Type.TYPE_FILL_INTERFACES);
                    }
                    else if (pParent->fillState < Type.TYPE_FILL_ALL)
                    {
                        MetaData.Fill_Defer(pParent, null, null);
                    }
                }

                // This only needs to be done for non-generic Type.types, or for generic type that are not a definition
                // I.e. Fully instantiated generic Type.types
                if (pTypeDef->isGenericDefinition == 0)
                {
                    // Map all interface method calls. This only needs to be done for Classes, not Interfaces
                    // And is not done for generic definitions.
                    if (!monoType.IsInterface)
                    {
                        System.Type[] interfaceTypes = monoType.GetInterfaces();
                        pTypeDef->numInterfaces = (uint)interfaceTypes.Length;
                        if (interfaceTypes.Length > 0 && pTypeDef->isGenericDefinition == 0)
                        {
                            if (pTypeDef->pInterfaceMaps == null)
                            {
                                pTypeDef->pInterfaceMaps = (tInterfaceMap *)Mem.mallocForever((SIZE_T)(pTypeDef->numInterfaces * sizeof(tInterfaceMap)));
                            }
                            for (i = 0; i < interfaceTypes.Length; i++)
                            {
                                // Get the interface that this type implements
                                tMD_TypeDef *pInterface = MonoType.GetTypeForMonoType(interfaceTypes[i], ppClassTypeArgs, ppMethodTypeArgs);
                                Fill_TypeDef(pInterface, ppClassTypeArgs, null, Type.TYPE_FILL_VTABLE);
                                InterfaceMapping interfaceMapping = monoType.GetInterfaceMap(interfaceTypes[i]);
                                MetaData.Fill_TypeDef(pInterface, null, null);
                                tInterfaceMap *pMap = &pTypeDef->pInterfaceMaps[i];
                                pMap->pInterface      = pInterface;
                                pMap->pVTableLookup   = (uint *)Mem.mallocForever((SIZE_T)(pInterface->numVirtualMethods * sizeof(uint)));
                                pMap->ppMethodVLookup = (tMD_MethodDef **)Mem.mallocForever((SIZE_T)(pInterface->numVirtualMethods * sizeof(tMD_MethodDef *)));
                                MethodInfo[] interfaceMethods = interfaceMapping.InterfaceMethods;
                                MethodInfo[] targetMethods    = interfaceMapping.TargetMethods;
                                // Discover interface mapping for each interface method
                                for (j = 0; j < pInterface->numVirtualMethods; j++)
                                {
                                    tMD_MethodDef *pInterfaceMethod  = pInterface->pVTable[j];
                                    tMD_MethodDef *pOverriddenMethod = FindInterfaceOverriddenMethod(pInterfaceMethod, interfaceMethods, targetMethods);
                                    if (pOverriddenMethod == null)
                                    {
                                        Sys.Crash("Unable to find override method %s in type %s.%s for interface %s.%s", (PTR)(pInterfaceMethod->name),
                                                  (PTR)pTypeDef->nameSpace, (PTR)pTypeDef->name,
                                                  (PTR)pInterface->nameSpace, (PTR)pInterface->name);
                                    }
                                    pMap->pVTableLookup[j]   = pOverriddenMethod->vTableOfs;
                                    pMap->ppMethodVLookup[j] = pOverriddenMethod;
                                }
                            }
                        }
                    }
                }

                if (pTypeDef->fillState >= resolve)
                {
                    return;
                }
            }

            if (pTypeDef->fillState < Type.TYPE_FILL_ALL)
            {
                pTypeDef->fillState = Type.TYPE_FILL_ALL;

                if (pParent != null && pParent->fillState < Type.TYPE_FILL_ALL)
                {
                    MetaData.Fill_TypeDef(pParent, null, null, Type.TYPE_FILL_ALL);
                }

                if (isDeferred != 0)
                {
                    MetaData.Fill_ResolveDeferred();
                }
            }

            Sys.log_f(2, "Mono Type:  %s.%s\n", (PTR)pTypeDef->nameSpace, (PTR)pTypeDef->name);
        }
Exemplo n.º 23
0
        public static void LoadTables(tMetaData *pThis, tRVA *pRVA, void *pStream, uint streamLen)
        {
            ulong valid, j;
            byte  c;
            int   i, k, numTables;
            void *pTable;

            c = *(byte *)&((byte *)pStream)[6];
            pThis->index32BitString = (c & 1) > 0 ? (byte)1 : (byte)0;
            pThis->index32BitGUID   = (c & 2) > 0 ? (byte)1 : (byte)0;
            pThis->index32BitBlob   = (c & 4) > 0 ? (byte)1 : (byte)0;

            valid = *(ulong *)&((byte *)pStream)[8];

            // Count how many tables there are, and read in all the number of rows of each table.
            numTables = 0;
            for (i = 0, j = 1; i < MAX_TABLES; i++, j <<= 1)
            {
                if ((valid & j) != 0)
                {
                    pThis->tables.numRows[i] = *(uint *)&((byte *)pStream)[24 + numTables * 4];
                    numTables++;
                }
                else
                {
                    pThis->tables.numRows[i] = 0;
                    pThis->tables.data[i]    = /*null*/ 0;
                }
            }

            // Determine if each coded index lookup type needs to use 16 or 32 bit indexes
            for (i = 0; i < 13; i++)
            {
                /*char*/ byte *pCoding = codedTags[i];
                int            tagBits = codedTagBits[i];
                // Discover max table size
                uint maxTableLen = 0;
                for (k = 0; k < (1 << tagBits); k++)
                {
                    byte t = pCoding[k];
                    if (t != 'z')
                    {
                        if (pThis->tables.numRows[t] > maxTableLen)
                        {
                            maxTableLen = pThis->tables.numRows[t];
                        }
                    }
                }
                if (maxTableLen < (uint)(1 << (16 - tagBits)))
                {
                    // Use 16-bit number
                    pThis->tables.codedIndex32Bit[i] = 0;
                }
                else
                {
                    // Use 32-bit number
                    pThis->tables.codedIndex32Bit[i] = 1;
                }
            }

            pTable = &((byte *)pStream)[24 + numTables * 4];

            for (i = 0; i < MAX_TABLES; i++)
            {
                if (pThis->tables.numRows[i] > 0)
                {
                    if (i >= TABLEDEFS_LENGTH || tableDefs[i] == null)
                    {
                        Sys.Crash("No table definition for MetaData table 0x%02x\n", i);
                    }
                    pThis->tables.data[i] = (PTR)LoadSingleTable(pThis, pRVA, i, &pTable);
                }
            }
        }
Exemplo n.º 24
0
        // Loads a single table, returns pointer to table in memory.
        public static void *LoadSingleTable(tMetaData *pThis, tRVA *pRVA, int tableID, void **ppTable)
        {
            int             numRows = (int)pThis->tables.numRows[tableID];
            int             rowLen = tableRowSize[tableID];
            int             i, row;
            /*char**/ byte *pDef   = tableDefs[tableID];
            int             defLen = (int)S.strlen(pDef);
            void *          pRet;
            byte *          pSource = (byte *)*ppTable;
            byte *          pDest;
            uint            v = 0;
            SIZE_T          p = 0;

            // Allocate memory for destination table
            pRet  = Mem.malloc((SIZE_T)(numRows * rowLen));
            pDest = (byte *)pRet;

            // Load table
            int srcLen = 0;

            for (row = 0; row < numRows; row++)
            {
                byte *pSrcStart = pSource;
                for (i = 0; i < defLen; i += 2)
                {
                    byte d = pDef[i];
                    if (d < MAX_TABLES)
                    {
                        if (pThis->tables.numRows[d] < 0x10000)
                        {
                            // Use 16-bit offset
                            v        = GetU16(pSource);
                            pSource += 2;
                        }
                        else
                        {
                            // Use 32-bit offset
                            v        = GetU32(pSource);
                            pSource += 4;
                        }
                        v |= (uint)d << 24;
                    }
                    else
                    {
                        switch ((char)d)
                        {
                        case 'c':                         // 8-bit value
                            v = *(byte *)pSource;
                            pSource++;
                            break;

                        case 's':                         // 16-bit short
                            v        = GetU16(pSource);
                            pSource += 2;
                            break;

                        case 'i':                         // 32-bit int
                            v        = GetU32(pSource);
                            pSource += 4;
                            break;

                        case '0':
                        case '1':
                        case '2':
                        case '3':
                        case '4':
                        case '5':
                        case '6':
                        case '7':
                        case '8':
                        case '9':
                        case ':':
                        case ';':
                        case '<':
                        {
                            int            ofs            = pDef[i] - '0';
                            /*char*/ byte *pCoding        = codedTags[ofs];
                            int            tagBits        = codedTagBits[ofs];
                            byte           tag            = (byte)(*pSource & ((1 << tagBits) - 1));
                            int            idxIntoTableID = pCoding[tag];                          // The actual table index that we're looking for
                            if (idxIntoTableID < 0 || idxIntoTableID > MAX_TABLES)
                            {
                                Sys.Crash("Error: Bad table index: 0x%02x\n", idxIntoTableID);
                            }
                            if (pThis->tables.codedIndex32Bit[ofs] != 0)
                            {
                                // Use 32-bit number
                                v        = GetU32(pSource) >> tagBits;
                                pSource += 4;
                            }
                            else
                            {
                                // Use 16-bit number
                                v        = GetU16(pSource) >> tagBits;
                                pSource += 2;
                            }
                            v |= (uint)idxIntoTableID << 24;
                        }
                        break;

                        case 'S':                         // index into string heap
                            if (pThis->index32BitString != 0)
                            {
                                v        = GetU32(pSource);
                                pSource += 4;
                            }
                            else
                            {
                                v        = GetU16(pSource);
                                pSource += 2;
                            }
                            p = (PTR)(pThis->strings.pStart + v);
                            // NOTE: Quick way to validate metadata loading, check if all strings are valid!
                            if (S.isvalidstr((byte *)p) == 0)
                            {
                                Sys.Crash("Invalid string %s", (PTR)p);
                            }
                            break;

                        case 'G':                         // index into GUID heap
                            if (pThis->index32BitGUID != 0)
                            {
                                v        = GetU32(pSource);
                                pSource += 4;
                            }
                            else
                            {
                                v        = GetU16(pSource);
                                pSource += 2;
                            }
                            p = (PTR)(pThis->GUIDs.pGUID1 + ((v - 1) * 16));
                            break;

                        case 'B':                         // index into BLOB heap
                            if (pThis->index32BitBlob != 0)
                            {
                                v        = GetU32(pSource);
                                pSource += 4;
                            }
                            else
                            {
                                v        = GetU16(pSource);
                                pSource += 2;
                            }
                            p = (PTR)(pThis->blobs.pStart + v);
                            break;

                        case '^':                         // RVA to convert to pointer
                            v        = GetU32(pSource);
                            pSource += 4;
                            p        = (PTR)RVA.FindData(pRVA, v);
                            break;

                        case 'm':                         // Pointer to this metadata
                            p = (PTR)pThis;
                            break;

                        case 'l':                         // Is this the last table entry?
                            v = (row == numRows - 1) ? (uint)1 : (uint)0;
                            break;

                        case 'I':                         // Original table index
                            v = MetaData.MAKE_TABLE_INDEX((uint)tableID, (uint)(row + 1));
                            break;

                        case 'x':                         // Nothing, use 0
                            v = 0;
                            p = 0;
                            break;

                        default:
                            Sys.Crash("Cannot handle MetaData source definition character '%c' (0x%02X)\n", d, d);
                            break;
                        }
                    }
                    switch ((char)pDef[i + 1])
                    {
                    case '*':
                        *(SIZE_T *)pDest = p;
                        pDest           += sizeof(SIZE_T);
                        break;

                    case 'i':
                        *(uint *)pDest = v;
                        pDest         += 4;
                        break;

                    case 's':
                        *(ushort *)pDest = (ushort)v;
                        pDest           += 2;
                        break;

                    case 'c':
                        *(byte *)pDest = (byte)v;
                        pDest++;
                        break;

                    case 'x':
                        // Do nothing
                        break;

                    default:
                        Sys.Crash("Cannot handle MetaData destination definition character '%c'\n", pDef[i + 1]);
                        break;
                    }
                }
                if (srcLen == 0)
                {
                    srcLen = (int)(pSource - pSrcStart);
                }
            }

            Sys.log_f(1, "Loaded MetaData table 0x%02X; %d rows %d len\n", tableID, numRows, srcLen);

            // Update the parameter to the position after this table
            *ppTable = pSource;
            // Return new table information
            return(pRet);
        }
Exemplo n.º 25
0
        public static tMD_MethodDef *GetMethodDefFromDefRefOrSpec(tMetaData *pMetaData, /*IDX_TABLE*/ uint token,
                                                                  tMD_TypeDef **ppClassTypeArgs, tMD_TypeDef **ppMethodTypeArgs)
        {
            void *pTableEntry;

            pTableEntry = MetaData.GetTableRow(pMetaData, token);
            if (((tMDC_ToMethodDef *)pTableEntry)->pMethodDef != null)
            {
                return(((tMDC_ToMethodDef *)pTableEntry)->pMethodDef);
            }

            switch (MetaData.TABLE_ID(token))
            {
            case MetaDataTable.MD_TABLE_METHODDEF:
                ((tMDC_ToMethodDef *)pTableEntry)->pMethodDef = (tMD_MethodDef *)pTableEntry;
                return((tMD_MethodDef *)pTableEntry);

            case MetaDataTable.MD_TABLE_MEMBERREF:
            {
                tMD_MemberRef *pMemberRef;

                pMemberRef = (tMD_MemberRef *)pTableEntry;
                switch (MetaData.TABLE_ID(pMemberRef->class_))
                {
                case MetaDataTable.MD_TABLE_TYPEREF:
                case MetaDataTable.MD_TABLE_TYPESPEC:
                {
                    tMD_TypeDef *  pTypeDef;
                    tMD_MethodDef *pMethodDef;

                    pTypeDef = MetaData.GetTypeDefFromDefRefOrSpec(pMetaData, pMemberRef->class_, ppClassTypeArgs, ppMethodTypeArgs);
                    MetaData.Fill_TypeDef(pTypeDef, null, null);
                    pMethodDef = FindMethodInType(pTypeDef, pMemberRef->name, pMetaData, pMemberRef->signature, pTypeDef->ppClassTypeArgs, ppMethodTypeArgs);
                    //pMethodDef->pMethodDef = pMethodDef;
                    return(pMethodDef);
                }

                default:
                    Sys.Crash("MetaData.GetMethodDefFromMethodDefOrRef(): Cannot handle pMemberRef->class_=0x%08x", pMemberRef->class_);
                    return(null);
                }
            }

            case MetaDataTable.MD_TABLE_METHODSPEC:
            {
                tMD_MethodSpec *pMethodSpec;
                tMD_MethodDef * pMethodDef;

                pMethodSpec = (tMD_MethodSpec *)pTableEntry;
                pMethodDef  = Generics.GetMethodDefFromSpec(pMethodSpec, ppClassTypeArgs, ppMethodTypeArgs);

                // Note: Cannot cache the MethodDef from the MethodSpec, as class generic arguments
                // may be different.

                return(pMethodDef);
            }
            }

            Sys.Crash("MetaData.GetMethodDefFromMethodDefOrRef(): Cannot handle token: 0x%08x", token);
            return(null);
        }
Exemplo n.º 26
0
        // Return pointer to the relevant Def structure.
        // pObjectType returns:
        // 0 - tMD_TypeDef
        // 1 - tMD_MethodDef
        // 2 - tMD_FieldDef
        // (These link up with the JitOps.JIT_LOADTOKEN_* opcodes)
        public static byte *GetTypeMethodField(tMetaData *pMetaData, /*IDX_TABLE*/ uint token, uint *pObjectType,
                                               tMD_TypeDef **ppClassTypeArgs, tMD_TypeDef **ppMethodTypeArgs)
        {
            switch (MetaData.TABLE_ID(token))
            {
            case MetaDataTable.MD_TABLE_TYPEDEF:
            case MetaDataTable.MD_TABLE_TYPEREF:
            case MetaDataTable.MD_TABLE_TYPESPEC:
            {
                tMD_TypeDef *pTypeDef;

                pTypeDef = MetaData.GetTypeDefFromDefRefOrSpec(pMetaData, token, ppClassTypeArgs, ppMethodTypeArgs);
                //MetaData.Fill_TypeDef(pTypeDef, null, null);
                *pObjectType = 0;
                return((byte *)pTypeDef);
            }

            case MetaDataTable.MD_TABLE_METHODDEF:
method:
                {
                    tMD_MethodDef *pMethodDef;

                    pMethodDef = MetaData.GetMethodDefFromDefRefOrSpec(pMetaData, token, ppClassTypeArgs, ppMethodTypeArgs);
                    if (pMethodDef->isFilled == 0)
                    {
                        tMD_TypeDef *pTypeDef;

                        pTypeDef = MetaData.GetTypeDefFromMethodDef(pMethodDef);
                        //MetaData.Fill_TypeDef(pTypeDef, null, null);
                    }
                    *pObjectType = 1;
                    return((byte *)pMethodDef);
                }

            case MetaDataTable.MD_TABLE_FIELDDEF:
field:
                {
                    tMD_FieldDef *pFieldDef;

                    pFieldDef = MetaData.GetFieldDefFromDefOrRef(pMetaData, token, ppClassTypeArgs, ppMethodTypeArgs);
                    if (pFieldDef->pParentType == null)
                    {
                        tMD_TypeDef *pTypeDef;

                        pTypeDef = MetaData.GetTypeDefFromFieldDef(pFieldDef);
                        //MetaData.Fill_TypeDef(pTypeDef, null, null);
                    }
                    *pObjectType = 2;
                    return((byte *)pFieldDef);
                }

            case MetaDataTable.MD_TABLE_MEMBERREF:
            {
                tMD_MemberRef *pMemberRef;
                /*SIG*/ byte * sig;

                pMemberRef = (tMD_MemberRef *)MetaData.GetTableRow(pMetaData, token);
                sig        = MetaData.GetBlob(pMemberRef->signature, null);
                if (*(byte *)sig == 0x06)
                {
                    // Field
                    goto field;
                }
                else
                {
                    // Method
                    goto method;
                }
            }
            }

            Sys.Crash("MetaData.GetTypeMethodField(): Cannot handle token: 0x%08x", token);
            return(null);
        }
Exemplo n.º 27
0
        public static void Fill_TypeDef(tMD_TypeDef *pTypeDef,
                                        tMD_TypeDef **ppClassTypeArgs, tMD_TypeDef **ppMethodTypeArgs,
                                        uint resolve = Type.TYPE_FILL_ALL)
        {
            /*IDX_TABLE*/ uint firstIdx, lastIdx, token;
            uint         instanceMemSize, staticMemSize, virtualOfs, isDeferred, i, j;
            tMetaData *  pMetaData = pTypeDef->pMetaData;
            tMD_TypeDef *pParent;

            if (pTypeDef->fillState >= resolve)
            {
                return;
            }

            if (pTypeDef->monoType != null)
            {
                MonoType.Fill_TypeDef(pTypeDef, ppClassTypeArgs, ppMethodTypeArgs, resolve);
                return;
            }

//            Sys.printf("FILLING TYPE: %s\n", (PTR)pTypeDef->name);
//            string name = System.Runtime.InteropServices.Marshal.PtrToStringAnsi((System.IntPtr)pTypeDef->name);


            if (typesToFill == null)
            {
                Fill_StartDefer();
                isDeferred = 1;
            }
            else
            {
                isDeferred = 0;
            }

            if (resolve < Type.TYPE_FILL_ALL)
            {
                MetaData.Fill_Defer(pTypeDef, ppClassTypeArgs, ppMethodTypeArgs);
            }

            MetaData.Fill_GetDeferredTypeArgs(pTypeDef, ref ppClassTypeArgs, ref ppMethodTypeArgs);

            // Fill parent info
            if (pTypeDef->fillState < Type.TYPE_FILL_PARENTS)
            {
                pTypeDef->fillState = Type.TYPE_FILL_PARENTS;

                pTypeDef->pTypeDef = pTypeDef;
                if (pTypeDef->alignment == 0)
                {
                    pTypeDef->alignment = 1;
                }

                if (pTypeDef->pParent == null)
                {
                    pTypeDef->pParent = MetaData.GetTypeDefFromDefRefOrSpec(pMetaData, pTypeDef->extends, ppClassTypeArgs, ppMethodTypeArgs);
                }
                pParent = pTypeDef->pParent;

                if (pParent != null)
                {
                    if (pParent->fillState < Type.TYPE_FILL_PARENTS)
                    {
                        MetaData.Fill_TypeDef(pParent, null, null, Type.TYPE_FILL_PARENTS);
                    }
                    else if (pParent->fillState < Type.TYPE_FILL_ALL)
                    {
                        MetaData.Fill_Defer(pParent, null, null);
                    }
                    pTypeDef->hasMonoBase = pParent->hasMonoBase;
                    if (pParent->hasMonoBase == 0)
                    {
                        // If we have a mono base type, we have at least 1 non-blittable field
                        pTypeDef->blittable      = pParent->blittable;
                        pTypeDef->fixedBlittable = pParent->fixedBlittable;
                    }
                    else
                    {
                        pTypeDef->blittable = pTypeDef->fixedBlittable = 0;
                    }
                }
                else
                {
                    pTypeDef->blittable = pTypeDef->fixedBlittable = 1;
                }

                // If this type is an interface, then return 0
                if (pTypeDef->stackSize != 0)
                {
                    pTypeDef->isValueType = (byte)(pTypeDef->stackType != EvalStack.EVALSTACK_O ? 1 : 0);
                }
                else if (MetaData.TYPE_ISINTERFACE(pTypeDef))
                {
                    pTypeDef->isValueType = 0;
                }
                else if (pTypeDef->nameSpace[0] == 'S' && S.strcmp(pTypeDef->nameSpace, new S(ref scSystem, "System")) == 0)
                {
                    if ((pTypeDef->name[0] == 'V' && S.strcmp(pTypeDef->name, new S(ref scValueType, "ValueType")) == 0) ||
                        (pTypeDef->name[0] == 'E' && S.strcmp(pTypeDef->name, new S(ref scEnum, "Enum")) == 0))
                    {
                        pTypeDef->isValueType = 1;
                    }
                    else if (pTypeDef->name[0] == 'O' && S.strcmp(pTypeDef->name, new S(ref scObject, "Object")) == 0)
                    {
                        pTypeDef->isValueType = 0;
                    }
                    else if (pParent != null)
                    {
                        pTypeDef->isValueType = pParent->isValueType;
                    }
                }
                else if (pParent != null)
                {
                    pTypeDef->isValueType = pParent->isValueType;
                }

                // If not primed, then work out how many methods & fields there are.
                if (pTypeDef->isPrimed == 0)
                {
                    // Methods
                    lastIdx = (pTypeDef->isLast != 0) ?
                              MetaData.MAKE_TABLE_INDEX(MetaDataTable.MD_TABLE_METHODDEF, pTypeDef->pMetaData->tables.numRows[MetaDataTable.MD_TABLE_METHODDEF]) :
                              (pTypeDef[1].methodList - 1);
                    pTypeDef->numMethods = lastIdx - pTypeDef->methodList + 1;
                    // Fields
                    lastIdx = (pTypeDef->isLast != 0) ?
                              MetaData.MAKE_TABLE_INDEX(MetaDataTable.MD_TABLE_FIELDDEF, pTypeDef->pMetaData->tables.numRows[MetaDataTable.MD_TABLE_FIELDDEF]) :
                              (pTypeDef[1].fieldList - 1);
                    pTypeDef->numFields = lastIdx - pTypeDef->fieldList + 1;
                }

                // If this is a nested type, then find the namespace of it
                if (pTypeDef->pNestedIn != null)
                {
                    tMD_TypeDef *pRootTypeDef = pTypeDef->pNestedIn;
                    while (pRootTypeDef->pNestedIn != null)
                    {
                        pRootTypeDef = pRootTypeDef->pNestedIn;
                    }
                    pTypeDef->nameSpace = pRootTypeDef->nameSpace;
                }

                // If this is an enum type, then pretend its stack type is its underlying type
                if (pTypeDef->pParent == Type.types[Type.TYPE_SYSTEM_ENUM])
                {
                    pTypeDef->stackType        = EvalStack.EVALSTACK_INT32;
                    pTypeDef->stackSize        = sizeof(PTR);
                    pTypeDef->instanceMemSize  = 4;
                    pTypeDef->arrayElementSize = 4;
                    pTypeDef->blittable        = pTypeDef->fixedBlittable = 1;
                }

                if (pTypeDef->fillState >= resolve)
                {
                    return;
                }
            }
            else
            {
                pParent = pTypeDef->pParent;
            }

            if (pTypeDef->fillState < Type.TYPE_FILL_LAYOUT)
            {
                pTypeDef->fillState = Type.TYPE_FILL_LAYOUT;

                if (pParent != null)
                {
                    if (pParent->fillState < Type.TYPE_FILL_LAYOUT)
                    {
                        MetaData.Fill_TypeDef(pParent, null, null, Type.TYPE_FILL_LAYOUT);
                    }
                    else if (pParent->fillState < Type.TYPE_FILL_ALL)
                    {
                        MetaData.Fill_Defer(pParent, null, null);
                    }
                }

                if (pTypeDef->isGenericDefinition == 0)
                {
                    // Resolve fields, members, interfaces.
                    // Only needs to be done if it's not a generic definition type

                    // It it's not a value-type and the stack-size is not preset, then set it up now.
                    // It needs to be done here as non-static fields in non-value type can point to the containing type
                    if (pTypeDef->stackSize == 0 && pTypeDef->isValueType == 0)
                    {
                        pTypeDef->stackType = EvalStack.EVALSTACK_O;
                        pTypeDef->stackSize = sizeof(PTR);
                        pTypeDef->alignment = sizeof(PTR);
                    }

                    // Resolve all fields - instance ONLY at this point,
                    // because static fields in value-Type.types can be of the containing type, and the size is not yet known.
                    firstIdx      = pTypeDef->fieldList;
                    lastIdx       = firstIdx + pTypeDef->numFields - 1;
                    staticMemSize = 0;
                    if (pTypeDef->numFields > 0)
                    {
                        pTypeDef->ppFields = (tMD_FieldDef **)Mem.mallocForever((SIZE_T)(pTypeDef->numFields * sizeof(tMD_FieldDef *)));
                    }
                    instanceMemSize = (pParent == null ? 0 : pTypeDef->pParent->instanceMemSize);
                    if (pTypeDef->hasMonoBase != 0 && pParent->hasMonoBase == 0)
                    {
                        // Some DNA types like String are actually wrappers around mono objects.  In those cases, we need to allocate the
                        // space in the instance memory for the GCHandle to the mono object.  We distinguish this case from the case
                        // where we're just extending a Mono Type object by checking if the parent also has the hasMonoBase flag set.
                        instanceMemSize += (uint)sizeof(void *);
                    }
                    for (token = firstIdx, i = 0; token <= lastIdx; token++, i++)
                    {
                        tMD_FieldDef *pFieldDef;

                        pFieldDef = MetaData.GetFieldDefFromDefOrRef(pMetaData, token, ppClassTypeArgs, ppMethodTypeArgs);
                        if (!MetaData.FIELD_ISSTATIC(pFieldDef))
                        {
                            // Only handle non-static fields at the moment
                            if (pTypeDef->pGenericDefinition != null)
                            {
                                // If this is a generic instantiation type, then all field defs need to be copied,
                                // as there will be lots of different instantiations.
                                tMD_FieldDef *pFieldCopy = ((tMD_FieldDef *)Mem.mallocForever((SIZE_T)sizeof(tMD_FieldDef)));
                                Mem.memcpy(pFieldCopy, pFieldDef, (SIZE_T)sizeof(tMD_FieldDef));
                                pFieldDef = pFieldCopy;
                            }
                            if (MetaData.FIELD_ISLITERAL(pFieldDef) || MetaData.FIELD_HASFIELDRVA(pFieldDef))
                            {
                                // If it's a literal, then analyse the field, but don't include it in any memory allocation
                                // If is has an RVA, then analyse the field, but don't include it in any memory allocation
                                MetaData.Fill_FieldDef(pTypeDef, pFieldDef, 0, null, ppClassTypeArgs);
                            }
                            else
                            {
                                MetaData.Fill_FieldDef(pTypeDef, pFieldDef, instanceMemSize, &(pTypeDef->alignment), ppClassTypeArgs);
                                instanceMemSize = pFieldDef->memOffset + pFieldDef->memSize;
                            }
                            // Update blittable and fixedBlittable status for type - if any non-blittable fields are included set to 0
                            if (pTypeDef->blittable != 0 || pTypeDef->fixedBlittable != 0)
                            {
                                if (pFieldDef->pType->isValueType == 0 || pFieldDef->pType->blittable == 0)
                                {
                                    pTypeDef->blittable = pTypeDef->fixedBlittable = 0;
                                }
                                else if (pFieldDef->pType->typeInitId == Type.TYPE_SYSTEM_INTPTR ||
                                         pFieldDef->pType->typeInitId == Type.TYPE_SYSTEM_UINTPTR)
                                {
                                    pTypeDef->fixedBlittable = 0;
                                }
                            }
                            pTypeDef->ppFields[i] = pFieldDef;
                        }
                    }
                    if (pTypeDef->instanceMemSize == 0)
                    {
                        pTypeDef->instanceMemSize = (instanceMemSize + (pTypeDef->alignment - 1)) & ~(pTypeDef->alignment - 1);
                    }

                    // Sort out stack type and size.
                    // Note that this may already be set, as some basic type have this preset;
                    // or if it's not a value-type it'll already be set
                    if (pTypeDef->stackSize == 0)
                    {
                        // if it gets here then it must be a value type
                        pTypeDef->stackType = EvalStack.EVALSTACK_VALUETYPE;
                        pTypeDef->stackSize = pTypeDef->instanceMemSize;
                    }

                    // Sort out array element size. Note that some basic type will have this preset.
                    if (pTypeDef->arrayElementSize == 0)
                    {
                        pTypeDef->arrayElementSize = pTypeDef->stackSize;
                    }

                    // Make sure stack size is even multiple of stack alignment
                    pTypeDef->stackSize = (pTypeDef->stackSize + (STACK_ALIGNMENT - 1)) & ~(STACK_ALIGNMENT - 1);

                    // Handle static fields
                    for (token = firstIdx, i = 0; token <= lastIdx; token++, i++)
                    {
                        tMD_FieldDef *pFieldDef;

                        pFieldDef = MetaData.GetFieldDefFromDefOrRef(pMetaData, token, ppClassTypeArgs, ppMethodTypeArgs);
                        if (MetaData.FIELD_ISSTATIC(pFieldDef))
                        {
                            // Only handle static fields here
                            if (pTypeDef->pGenericDefinition != null)
                            {
                                // If this is a generic instantiation type, then all field defs need to be copied,
                                // as there will be lots of different instantiations.
                                tMD_FieldDef *pFieldCopy = ((tMD_FieldDef *)Mem.mallocForever((SIZE_T)sizeof(tMD_FieldDef)));
                                Mem.memcpy(pFieldCopy, pFieldDef, (SIZE_T)sizeof(tMD_FieldDef));
                                pFieldDef = pFieldCopy;
                            }
                            if (MetaData.FIELD_ISLITERAL(pFieldDef) || MetaData.FIELD_HASFIELDRVA(pFieldDef))
                            {
                                // If it's a literal, then analyse the field, but don't include it in any memory allocation
                                // If is has an RVA, then analyse the field, but don't include it in any memory allocation
                                MetaData.Fill_FieldDef(pTypeDef, pFieldDef, 0, null, ppClassTypeArgs);
                            }
                            else
                            {
                                MetaData.Fill_FieldDef(pTypeDef, pFieldDef, staticMemSize, null, ppClassTypeArgs);
                                staticMemSize += pFieldDef->memSize;
                            }
                            pTypeDef->ppFields[i] = pFieldDef;
                        }
                    }

                    if (staticMemSize > 0)
                    {
                        pTypeDef->pStaticFields = (byte *)Mem.mallocForever((SIZE_T)staticMemSize);
                        Mem.memset(pTypeDef->pStaticFields, 0, staticMemSize);
                        // Set the field addresses (->pMemory) of all static fields
                        for (i = 0; i < pTypeDef->numFields; i++)
                        {
                            tMD_FieldDef *pFieldDef;

                            pFieldDef = pTypeDef->ppFields[i];
                            if (MetaData.FIELD_ISSTATIC(pFieldDef) && pFieldDef->pMemory == null)
                            {
                                // Only set it if it isn't already set. It will be already set if this field has an RVA
                                pFieldDef->pMemory = pTypeDef->pStaticFields + pFieldDef->memOffset;
                            }
                        }
                        pTypeDef->staticFieldSize = staticMemSize;
                    }
                }

                if (pTypeDef->fillState >= resolve)
                {
                    return;
                }
            }

            // This only needs to be done for non-generic Type.types, or for generic type that are not a definition
            // I.e. Fully instantiated generic Type.types
            if (pTypeDef->fillState < Type.TYPE_FILL_VTABLE)
            {
                pTypeDef->fillState = Type.TYPE_FILL_VTABLE;

                if (pParent != null)
                {
                    if (pParent->fillState < Type.TYPE_FILL_VTABLE)
                    {
                        MetaData.Fill_TypeDef(pParent, null, null, Type.TYPE_FILL_VTABLE);
                    }
                    else if (pParent->fillState < Type.TYPE_FILL_ALL)
                    {
                        MetaData.Fill_Defer(pParent, null, null);
                    }
                }

                if (pTypeDef->isGenericDefinition == 0)
                {
                    virtualOfs = (pParent != null) ? pParent->numVirtualMethods : 0;

                    // Must create the virtual method table BEFORE any other type resolution is done
                    // Note that this must not do ANY filling of type or methods.
                    // This is to ensure that the parent object(s) in any type inheritance hierachy are allocated
                    // their virtual method offset before derived Type.types.
                    firstIdx = pTypeDef->methodList;
                    lastIdx  = firstIdx + pTypeDef->numMethods - 1;
                    for (token = firstIdx; token <= lastIdx; token++)
                    {
                        tMD_MethodDef *pMethodDef;

                        pMethodDef = MetaData.GetMethodDefFromDefRefOrSpec(pMetaData, token, ppClassTypeArgs, ppMethodTypeArgs);

                        //Sys.printf("Method: %s\n", (PTR)pMethodDef->name);

                        // This is needed, so array resolution can work correctly and FindVirtualOverriddenMethod() can work.
                        pMethodDef->pParentType = pTypeDef;

                        if (MetaData.METHOD_ISVIRTUAL(pMethodDef))
                        {
                            if (MetaData.METHOD_ISNEWSLOT(pMethodDef) || pTypeDef->pParent == null)
                            {
                                // Allocate a new vTable slot if method is explicitly marked as NewSlot, or
                                // this is of type Object.
                                pMethodDef->vTableOfs = virtualOfs++;
                            }
                            else
                            {
                                tMD_MethodDef *pVirtualOveriddenMethod;
                                pVirtualOveriddenMethod = FindVirtualOverriddenMethod(pTypeDef->pParent, pMethodDef);
                                if (pVirtualOveriddenMethod == null)
                                {
                                    Sys.Crash("Unable to find virtual override method for %s %s", (PTR)pTypeDef->name, (PTR)pMethodDef->name);
                                }
                                pMethodDef->vTableOfs = pVirtualOveriddenMethod->vTableOfs;
                            }
                        }
                        else
                        {
                            // Dummy value - make it obvious it's not valid!
                            pMethodDef->vTableOfs = 0xffffffff;
                        }
                    }

                    // Create the virtual method table
                    pTypeDef->numVirtualMethods = virtualOfs;

                    // Resolve all members
                    firstIdx            = pTypeDef->methodList;
                    lastIdx             = firstIdx + pTypeDef->numMethods - 1;
                    pTypeDef->ppMethods = (tMD_MethodDef **)Mem.mallocForever((SIZE_T)(pTypeDef->numMethods * sizeof(tMD_MethodDef *)));
                    pTypeDef->pVTable   = (tMD_MethodDef **)Mem.mallocForever((SIZE_T)(pTypeDef->numVirtualMethods * sizeof(tMD_MethodDef *)));
                    // Copy initial vTable from parent
                    if (pTypeDef->pParent != null)
                    {
                        if (pTypeDef->pParent->fillState != Type.TYPE_FILL_MEMBERS)
                        {
                            Fill_TypeDef(pTypeDef->pParent, null, null, Type.TYPE_FILL_MEMBERS);
                        }
                        Mem.memcpy(pTypeDef->pVTable, pTypeDef->pParent->pVTable, (SIZE_T)(pTypeDef->pParent->numVirtualMethods * sizeof(tMD_MethodDef *)));
                    }
                    for (token = firstIdx, i = 0; token <= lastIdx; token++, i++)
                    {
                        tMD_MethodDef *pMethodDef;

                        pMethodDef = MetaData.GetMethodDefFromDefRefOrSpec(pMetaData, token, ppClassTypeArgs, ppMethodTypeArgs);
                        if (pTypeDef->pGenericDefinition != null)
                        {
                            // If this is a generic instantiation type, then all method defs need to be copied,
                            // as there will be lots of different instantiations.
                            tMD_MethodDef *pMethodCopy = ((tMD_MethodDef *)Mem.mallocForever((SIZE_T)sizeof(tMD_MethodDef)));
                            Mem.memcpy(pMethodCopy, pMethodDef, (SIZE_T)sizeof(tMD_MethodDef));
                            pMethodDef = pMethodCopy;
                        }
                        if (MetaData.METHOD_ISSTATIC(pMethodDef) && S.strcmp(pMethodDef->name, ".cctor") == 0)
                        {
                            // This is a static constructor
                            pTypeDef->pStaticConstructor = pMethodDef;
                        }
                        if (!MetaData.METHOD_ISSTATIC(pMethodDef) && pTypeDef->pParent != null &&
                            S.strcmp(pMethodDef->name, "Finalize") == 0)
                        {
                            // This is a Finalizer method, but not for Object.
                            // Delibrately miss out Object's Finalizer because it's empty and will cause every object
                            // of any type to have a Finalizer which will be terrible for performance.
                            pTypeDef->pFinalizer = pMethodDef;
                        }
                        if (MetaData.METHOD_ISVIRTUAL(pMethodDef))
                        {
                            // This is a virtual method, so enter it in the vTable
                            pTypeDef->pVTable[pMethodDef->vTableOfs] = pMethodDef;
                        }
                        pTypeDef->ppMethods[i] = pMethodDef;
                    }
                    // Find inherited Finalizer, if this type doesn't have an explicit Finalizer, and if there is one
                    if (pTypeDef->pFinalizer == null)
                    {
                        tMD_TypeDef *pInheritedType = pTypeDef->pParent;
                        while (pInheritedType != null)
                        {
                            if (pInheritedType->pFinalizer != null)
                            {
                                pTypeDef->pFinalizer = pInheritedType->pFinalizer;
                                break;
                            }
                            pInheritedType = pInheritedType->pParent;
                        }
                    }
                }

                if (pTypeDef->fillState >= resolve)
                {
                    return;
                }
            }

            if (pTypeDef->fillState < Type.TYPE_FILL_MEMBERS)
            {
                pTypeDef->fillState = Type.TYPE_FILL_MEMBERS;

                if (pParent != null)
                {
                    if (pParent->fillState < Type.TYPE_FILL_MEMBERS)
                    {
                        MetaData.Fill_TypeDef(pParent, null, null, Type.TYPE_FILL_MEMBERS);
                    }
                    else if (pParent->fillState < Type.TYPE_FILL_ALL)
                    {
                        MetaData.Fill_Defer(pParent, null, null);
                    }
                }

                if (pTypeDef->isGenericDefinition == 0)
                {
                    // Fill all method definitions for this type
                    for (i = 0; i < pTypeDef->numMethods; i++)
                    {
                        MetaData.Fill_MethodDef(pTypeDef, pTypeDef->ppMethods[i], ppClassTypeArgs, ppMethodTypeArgs);
                    }
                }

                if (pTypeDef->fillState >= resolve)
                {
                    return;
                }
            }

            if (pTypeDef->fillState < Type.TYPE_FILL_INTERFACES)
            {
                pTypeDef->fillState = Type.TYPE_FILL_INTERFACES;

                if (pParent != null)
                {
                    if (pParent->fillState < Type.TYPE_FILL_INTERFACES)
                    {
                        MetaData.Fill_TypeDef(pParent, null, null, Type.TYPE_FILL_INTERFACES);
                    }
                    else if (pParent->fillState < Type.TYPE_FILL_ALL)
                    {
                        MetaData.Fill_Defer(pParent, null, null);
                    }
                }

                if (pTypeDef->isGenericDefinition == 0 && !MetaData.TYPE_ISINTERFACE(pTypeDef))
                {
                    if (pParent != null && pParent->fillState < Type.TYPE_FILL_INTERFACES)
                    {
                        MetaData.Fill_TypeDef(pParent, null, null, Type.TYPE_FILL_INTERFACES);
                    }

                    // Map all interface method calls. This only needs to be done for Classes, not Interfaces
                    // And is not done for generic definitions.
                    firstIdx = 0;
                    if (pTypeDef->pParent != null)
                    {
                        j = pTypeDef->numInterfaces = pTypeDef->pParent->numInterfaces;
                    }
                    else
                    {
                        j = 0;
                    }

                    lastIdx = firstIdx;
                    for (i = 1; i <= pMetaData->tables.numRows[MetaDataTable.MD_TABLE_INTERFACEIMPL]; i++)
                    {
                        tMD_InterfaceImpl *pInterfaceImpl;
                        pInterfaceImpl = (tMD_InterfaceImpl *)MetaData.GetTableRow(pMetaData, MetaData.MAKE_TABLE_INDEX(MetaDataTable.MD_TABLE_INTERFACEIMPL, i));
                        if (pInterfaceImpl->class_ == pTypeDef->tableIndex)
                        {
                            // count how many interfaces are implemented
                            pTypeDef->numInterfaces++;
                            if (firstIdx == 0)
                            {
                                firstIdx = MetaData.MAKE_TABLE_INDEX(MetaDataTable.MD_TABLE_INTERFACEIMPL, i);
                            }
                            lastIdx = MetaData.MAKE_TABLE_INDEX(MetaDataTable.MD_TABLE_INTERFACEIMPL, i);
                        }
                    }

                    if (pTypeDef->numInterfaces > 0)
                    {
                        uint mapNum;

                        pTypeDef->pInterfaceMaps = (tInterfaceMap *)Mem.mallocForever((SIZE_T)(pTypeDef->numInterfaces * sizeof(tInterfaceMap)));
                        // Copy interface maps from parent type
                        if (j > 0)
                        {
                            Mem.memcpy(pTypeDef->pInterfaceMaps, pTypeDef->pParent->pInterfaceMaps, (SIZE_T)(j * sizeof(tInterfaceMap)));
                        }
                        mapNum = j;
                        if (firstIdx > 0)
                        {
                            for (token = firstIdx; token <= lastIdx; token++, mapNum++)
                            {
                                tMD_InterfaceImpl *pInterfaceImpl;

                                pInterfaceImpl = (tMD_InterfaceImpl *)MetaData.GetTableRow(pMetaData, token);
                                if (pInterfaceImpl->class_ == pTypeDef->tableIndex)
                                {
                                    tMD_TypeDef *  pInterface;
                                    tInterfaceMap *pMap;

                                    // Get the interface that this type implements
                                    pInterface = MetaData.GetTypeDefFromDefRefOrSpec(pMetaData, pInterfaceImpl->interface_, ppClassTypeArgs, ppMethodTypeArgs);
                                    MetaData.Fill_TypeDef(pInterface, null, null, Type.TYPE_FILL_INTERFACES);
                                    pMap                  = &pTypeDef->pInterfaceMaps[mapNum];
                                    pMap->pInterface      = pInterface;
                                    pMap->pVTableLookup   = (uint *)Mem.mallocForever((SIZE_T)(pInterface->numVirtualMethods * sizeof(uint)));
                                    pMap->ppMethodVLookup = (tMD_MethodDef **)Mem.mallocForever((SIZE_T)(pInterface->numVirtualMethods * sizeof(tMD_MethodDef *)));
                                    // Discover interface mapping for each interface method
                                    for (i = 0; i < pInterface->numVirtualMethods; i++)
                                    {
                                        tMD_MethodDef *pInterfaceMethod;
                                        tMD_MethodDef *pOverriddenMethod;
                                        pInterfaceMethod         = pInterface->pVTable[i];
                                        pOverriddenMethod        = FindVirtualOverriddenMethod(pTypeDef, pInterfaceMethod);
                                        pMap->pVTableLookup[i]   = pOverriddenMethod->vTableOfs;
                                        pMap->ppMethodVLookup[i] = pOverriddenMethod;
                                    }
                                }
                                else
                                {
                                    Sys.Crash("Problem with interface class");
                                }
                            }
                        }
                    }
                }

                if (pTypeDef->fillState >= resolve)
                {
                    return;
                }
            }

            if (pTypeDef->fillState < Type.TYPE_FILL_ALL)
            {
                pTypeDef->fillState = Type.TYPE_FILL_ALL;

                if (pTypeDef->isGenericDefinition == 0 && pTypeDef->stackSize == 0)
                {
                    j = 0;
                }

                if (pParent != null && pParent->fillState < Type.TYPE_FILL_ALL)
                {
                    MetaData.Fill_TypeDef(pParent, null, null, Type.TYPE_FILL_ALL);
                }

                if (isDeferred != 0)
                {
                    Fill_ResolveDeferred();
                }
            }

            Sys.log_f(2, "Type:  %s.%s\n", (PTR)pTypeDef->nameSpace, (PTR)pTypeDef->name);
        }
Exemplo n.º 28
0
        private static tCLIFile *LoadPEFile(byte[] image)
        {
            tCLIFile *pRet = ((tCLIFile *)Mem.malloc((SIZE_T)sizeof(tCLIFile)));

            System.Runtime.InteropServices.GCHandle handle = System.Runtime.InteropServices.GCHandle.Alloc(image, GCHandleType.Pinned);
            byte *pData = (byte *)handle.AddrOfPinnedObject();

            byte *pMSDOSHeader = (byte *)&(((byte *)pData)[0]);
            byte *pPEHeader;
            byte *pPEOptionalHeader;
            byte *pPESectionHeaders;
            byte *pCLIHeader;
            byte *pRawMetaData;

            int    i;
            uint   lfanew;
            ushort machine;
            int    numSections;
            //uint imageBase;
            //int fileAlignment;
            uint cliHeaderRVA;
            //uint cliHeaderSize;
            uint metaDataRVA;
            //uint metaDataSize;
            tMetaData *pMetaData;

            pRet->pRVA      = RVA.New();
            pRet->gcHandle  = (PTR)(System.IntPtr)handle;
            pRet->pMetaData = pMetaData = MetaData.New();

            lfanew            = *(uint *)&(pMSDOSHeader[0x3c]);
            pPEHeader         = pMSDOSHeader + lfanew + 4;
            pPEOptionalHeader = pPEHeader + 20;
            pPESectionHeaders = pPEOptionalHeader + 224;

            machine = *(ushort *)&(pPEHeader[0]);
            if (machine != DOT_NET_MACHINE)
            {
                return(null);
            }
            numSections = *(ushort *)&(pPEHeader[2]);

            //imageBase = *(uint*)&(pPEOptionalHeader[28]);
            //fileAlignment = *(int*)&(pPEOptionalHeader[36]);

            for (i = 0; i < numSections; i++)
            {
                byte *pSection = pPESectionHeaders + i * 40;
                RVA.Create(pRet->pRVA, pData, pSection);
            }

            cliHeaderRVA = *(uint *)&(pPEOptionalHeader[208]);
            //cliHeaderSize = *(uint*)&(pPEOptionalHeader[212]);

            pCLIHeader = (byte *)RVA.FindData(pRet->pRVA, cliHeaderRVA);

            metaDataRVA = *(uint *)&(pCLIHeader[8]);
            //metaDataSize = *(uint*)&(pCLIHeader[12]);
            pRet->entryPoint = *(uint *)&(pCLIHeader[20]);
            pRawMetaData     = (byte *)RVA.FindData(pRet->pRVA, metaDataRVA);

            // Load all metadata
            {
                uint  versionLen = *(uint *)&(pRawMetaData[12]);
                uint  ofs, numberOfStreams;
                void *pTableStream    = null;
                uint  tableStreamSize = 0;
                pRet->pVersion = &(pRawMetaData[16]);
                Sys.log_f(1, "CLI version: %s\n", (PTR)pRet->pVersion);
                ofs             = 16 + versionLen;
                numberOfStreams = *(ushort *)&(pRawMetaData[ofs + 2]);
                ofs            += 4;

                for (i = 0; i < (int)numberOfStreams; i++)
                {
                    uint  streamOffset = *(uint *)&pRawMetaData[ofs];
                    uint  streamSize   = *(uint *)&pRawMetaData[ofs + 4];
                    byte *pStreamName  = &pRawMetaData[ofs + 8];
                    void *pStream      = pRawMetaData + streamOffset;
                    ofs += (uint)((S.strlen(pStreamName) + 4) & (~0x3)) + 8;
                    if (S.strcasecmp(pStreamName, "#Strings") == 0)
                    {
                        MetaData.LoadStrings(pMetaData, pStream, streamSize);
                    }
                    else if (S.strcasecmp(pStreamName, "#US") == 0)
                    {
                        MetaData.LoadUserStrings(pMetaData, pStream, streamSize);
                    }
                    else if (S.strcasecmp(pStreamName, "#Blob") == 0)
                    {
                        MetaData.LoadBlobs(pMetaData, pStream, streamSize);
                    }
                    else if (S.strcasecmp(pStreamName, "#GUID") == 0)
                    {
                        MetaData.LoadGUIDs(pMetaData, pStream, streamSize);
                    }
                    else if (S.strcasecmp(pStreamName, "#~") == 0)
                    {
                        pTableStream    = pStream;
                        tableStreamSize = streamSize;
                    }
                }
                // Must load tables last
                if (pTableStream != null)
                {
                    MetaData.LoadTables(pMetaData, pRet->pRVA, pTableStream, (uint)tableStreamSize);
                }
            }

            // Mark all generic definition type and methods as such
            for (i = (int)pMetaData->tables.numRows[MetaDataTable.MD_TABLE_GENERICPARAM]; i > 0; i--)
            {
                tMD_GenericParam * pGenericParam;
                /*IDX_TABLE*/ uint ownerIdx;

                pGenericParam = (tMD_GenericParam *)MetaData.GetTableRow
                                    (pMetaData, MetaData.MAKE_TABLE_INDEX(MetaDataTable.MD_TABLE_GENERICPARAM, (uint)i));
                ownerIdx = pGenericParam->owner;
                switch (MetaData.TABLE_ID(ownerIdx))
                {
                case MetaDataTable.MD_TABLE_TYPEDEF:
                {
                    tMD_TypeDef *pTypeDef = (tMD_TypeDef *)MetaData.GetTableRow(pMetaData, ownerIdx);
                    pTypeDef->isGenericDefinition = 1;
                }
                break;

                case MetaDataTable.MD_TABLE_METHODDEF:
                {
                    tMD_MethodDef *pMethodDef = (tMD_MethodDef *)MetaData.GetTableRow(pMetaData, ownerIdx);
                    pMethodDef->isGenericDefinition = 1;
                }
                break;

                default:
                    Sys.Crash("Wrong generic parameter owner: 0x%08x", ownerIdx);
                    break;
                }
            }

            // Mark all nested classes as such
            for (i = (int)pMetaData->tables.numRows[MetaDataTable.MD_TABLE_NESTEDCLASS]; i > 0; i--)
            {
                tMD_NestedClass *pNested;
                tMD_TypeDef *    pParent;
                tMD_TypeDef *    pChild;

                pNested           = (tMD_NestedClass *)MetaData.GetTableRow(pMetaData, MetaData.MAKE_TABLE_INDEX(MetaDataTable.MD_TABLE_NESTEDCLASS, (uint)i));
                pParent           = (tMD_TypeDef *)MetaData.GetTableRow(pMetaData, pNested->enclosingClass);
                pChild            = (tMD_TypeDef *)MetaData.GetTableRow(pMetaData, pNested->nestedClass);
                pChild->pNestedIn = pParent;
            }

            return(pRet);
        }
Exemplo n.º 29
0
        public static tMD_MethodDef *GetMethodDefFromCoreMethod(tMD_MethodDef *pCoreMethod,
                                                                tMD_TypeDef *pParentType, uint numTypeArgs, tMD_TypeDef **ppTypeArgs,
                                                                HashSet <PTR> resolveTypes = null)
        {
            tGenericMethodInstance *pInst;
            tMD_MethodDef *         pMethod;

            Mem.heapcheck();

            // See if we already have an instance with the given type args
            pInst = pCoreMethod->pGenericMethodInstances;
            while (pInst != null)
            {
                if (pInst->numTypeArgs == numTypeArgs &&
                    Mem.memcmp(pInst->ppTypeArgs, ppTypeArgs, (SIZE_T)(numTypeArgs * sizeof(tMD_TypeDef *))) == 0)
                {
                    return(pInst->pInstanceMethodDef);
                }
                pInst = pInst->pNext;
            }

            // We don't have an instance so create one now.
            pInst        = (tGenericMethodInstance *)Mem.mallocForever((SIZE_T)(sizeof(tGenericMethodInstance)));
            pInst->pNext = pCoreMethod->pGenericMethodInstances;
            pCoreMethod->pGenericMethodInstances = pInst;
            pInst->numTypeArgs = numTypeArgs;
            pInst->ppTypeArgs  = (tMD_TypeDef **)Mem.malloc((SIZE_T)(numTypeArgs * sizeof(tMD_TypeDef *)));
            Mem.memcpy(pInst->ppTypeArgs, ppTypeArgs, (SIZE_T)(numTypeArgs * sizeof(tMD_TypeDef *)));

            pInst->pInstanceMethodDef = pMethod = ((tMD_MethodDef *)Mem.mallocForever((SIZE_T)sizeof(tMD_MethodDef)));
            Mem.memset(pMethod, 0, (SIZE_T)sizeof(tMD_MethodDef));
            pMethod->pMethodDef       = pMethod;
            pMethod->pMetaData        = pCoreMethod->pMetaData;
            pMethod->pCIL             = pCoreMethod->pCIL;
            pMethod->implFlags        = pCoreMethod->implFlags;
            pMethod->flags            = pCoreMethod->flags;
            pMethod->name             = pCoreMethod->name;
            pMethod->signature        = pCoreMethod->signature;
            pMethod->vTableOfs        = pCoreMethod->vTableOfs;
            pMethod->ppMethodTypeArgs = pInst->ppTypeArgs;

            if (pCoreMethod->monoMethodInfo != null)
            {
                System.Reflection.MethodInfo methodInfo = H.ToObj(pCoreMethod->monoMethodInfo) as System.Reflection.MethodInfo;
                System.Type[] typeArgs = new System.Type[(int)numTypeArgs];
                for (uint i = 0; i < numTypeArgs; i++)
                {
                    typeArgs[i] = MonoType.GetMonoTypeForType(ppTypeArgs[i]);
                    if (typeArgs[i] == null)
                    {
                        Sys.Crash("Unable to find mono type for type arg %s.%s in for generic method %s",
                                  (PTR)ppTypeArgs[i]->nameSpace, (PTR)ppTypeArgs[i]->name, (PTR)pCoreMethod->name);
                    }
                }
                System.Reflection.MethodInfo genericMethodInfo = methodInfo.MakeGenericMethod(typeArgs);
                MonoType.Fill_MethodDef(pParentType, genericMethodInfo, pMethod, pParentType->ppClassTypeArgs, pInst->ppTypeArgs);
            }
            else
            {
                MetaData.Fill_MethodDef(pParentType, pMethod, pParentType->ppClassTypeArgs, pInst->ppTypeArgs);
            }

            Mem.heapcheck();

            return(pMethod);
        }
Exemplo n.º 30
0
        public static tMetaData *GetMetaDataForAssembly(byte *pAssemblyName)
        {
            tFilesLoaded *pFiles;
            int           monoAssembly = 0;
            tCLIFile *    pCLIFile = null;
            tMD_Assembly *pThisAssembly = null;
            tMetaData **  ppChildMetaData = null;
            int           i, j, childCount;

            // Check corlib assemblies
            i = 0;
            while (dnaCorlibAssemblies[i] != null)
            {
                if (S.strcmp(pAssemblyName, dnaCorlibAssemblies[i]) == 0)
                {
                    pAssemblyName = scCorLib;
                    break;
                }
                i++;
            }

            // Look in already-loaded files first
            pFiles = pFilesLoaded;
            while (pFiles != null)
            {
                pCLIFile = pFiles->pCLIFile;
                if (S.strcmp(pAssemblyName, pCLIFile->assemblyName) == 0)
                {
                    // Found the correct assembly, so return its meta-data
                    return(pCLIFile->pMetaData);
                }
                pFiles = pFiles->pNext;
            }

            // Mono/Unity assemblies only load metadata, no code
            if (monoAssemblies != null)
            {
                i = 0;
                while (monoAssemblies[i] != null)
                {
                    if (S.strcmp(pAssemblyName, monoAssemblies[i]) == 0)
                    {
                        if (i == 0)
                        {
                            // Handle "UnityEngine" assemblies
                            j          = 0;
                            childCount = 0;
                            while (unityModuleAssemblies[j] != null)
                            {
                                childCount++;
                                j++;
                            }
                            ppChildMetaData = (tMetaData **)Mem.malloc((SIZE_T)((childCount + 1) * sizeof(tMetaData *)));
                            Mem.memset(ppChildMetaData, 0, (SIZE_T)((childCount + 1) * sizeof(tMetaData *)));
                            j = 0;
                            while (unityModuleAssemblies[j] != null)
                            {
                                ppChildMetaData[j] = GetMetaDataForAssembly(unityModuleAssemblies[j]);
                                j++;
                            }
                        }
                        monoAssembly = 1;
                        break;
                    }
                    i++;
                }
            }

            // Assembly not loaded, so load it if possible
            if (monoAssembly != 0)
            {
                pCLIFile = CLIFile.WrapMonoAssembly(pAssemblyName);
                if (pCLIFile == null)
                {
                    Sys.Crash("Cannot load required mono assembly file: %s.dll", (PTR)pAssemblyName);
                }
            }
            else
            {
                byte *fileName = stackalloc byte[256];
                S.snprintf(fileName, 256, "%s.dll", (PTR)pAssemblyName);
                pCLIFile = CLIFile.LoadAssembly(fileName);
                if (pCLIFile == null)
                {
                    Sys.Crash("Cannot load required assembly file: %s.dll", (PTR)pAssemblyName);
                }
            }

            pCLIFile->pMetaData->ppChildMetaData = ppChildMetaData;

            return(pCLIFile->pMetaData);
        }