static unsafe object to_object(TysosType enum_type, object value) { /* Convert value (of an integral type) to an enum of type 'enum_type' * and return its boxed value */ if (enum_type == null) { throw new ArgumentNullException("enumType"); } if (value == null) { throw new ArgumentException("value"); } /* The incoming value type 'value' is already boxed. * * We can therefore just copy its data to a new enum object */ void *value_obj = CastOperations.ReinterpretAsPointer(value); void *value_vtbl = *(void **)value_obj; int value_csize = *(int *)((byte *)value_vtbl + ClassOperations.GetVtblTypeSizeOffset()); void *ret_obj = MemoryOperations.GcMalloc(value_csize); MemoryOperations.MemCpy(ret_obj, value_obj, value_csize); void *ret_vtbl = *(void **)((byte *)CastOperations.ReinterpretAsPointer(enum_type) + ClassOperations.GetSystemTypeImplOffset()); *(void **)ret_obj = ret_vtbl; *(void **)((byte *)ret_obj + ClassOperations.GetMutexLockOffset()) = null; return(CastOperations.ReinterpretAsObject(ret_obj)); }
static internal TysosModule GetModule(void *aptr, string ass_name) { var mfile = CastOperations.ReinterpretAsUlong(CastOperations.ReinterpretAsObject(aptr)); lock (mod_cache) { if (!mod_cache.TryGetValue(mfile, out var ret)) { ret = new TysosModule(aptr, ass_name); mod_cache[mfile] = ret; System.Diagnostics.Debugger.Log(0, "libsupcs", "TysosType: building new TysosModule for " + ass_name); } return(ret); } }
/* Build an array of a particular type */ public static unsafe T[] CreateSZArray <T>(int nitems, void *data_addr) { TysosType arrtt = (TysosType)typeof(T[]); TysosType elemtt = (TysosType)typeof(T); int elemsize; if (elemtt.IsValueType) { elemsize = elemtt.GetClassSize() - ClassOperations.GetBoxedTypeDataOffset(); } else { elemsize = OtherOperations.GetPointerSize(); } if (data_addr == null) { data_addr = MemoryOperations.GcMalloc(elemsize * nitems); } byte *ret = (byte *)MemoryOperations.GcMalloc(ArrayOperations.GetArrayClassSize() + 8); // extra space for lobounds and length array void *vtbl = *(void **)((byte *)CastOperations.ReinterpretAsPointer(arrtt) + ClassOperations.GetSystemTypeImplOffset()); *(void **)(ret + ClassOperations.GetVtblFieldOffset()) = vtbl; *(ulong *)(ret + ClassOperations.GetMutexLockOffset()) = 0; *(void **)(ret + ArrayOperations.GetElemTypeOffset()) = *(void **)((byte *)CastOperations.ReinterpretAsPointer(elemtt) + ClassOperations.GetSystemTypeImplOffset()); *(int *)(ret + ArrayOperations.GetElemSizeOffset()) = elemsize; *(void **)(ret + ArrayOperations.GetInnerArrayOffset()) = data_addr; *(void **)(ret + ArrayOperations.GetLoboundsOffset()) = ret + ArrayOperations.GetArrayClassSize(); *(void **)(ret + ArrayOperations.GetSizesOffset()) = ret + ArrayOperations.GetArrayClassSize() + 4; *(int *)(ret + ArrayOperations.GetRankOffset()) = 1; *(int *)(ret + ArrayOperations.GetArrayClassSize()) = 0; // lobounds[0] *(int *)(ret + ArrayOperations.GetArrayClassSize() + 4) = nitems; // sizes[0] return((T[])CastOperations.ReinterpretAsObject(ret)); }
public override object Invoke(object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, object[] parameters, System.Globalization.CultureInfo culture) { uint flags = 0; if (MethodAddress == null) { var mangled_name = mspec.MangleMethod(); System.Diagnostics.Debugger.Log(0, "libsupcs", "TysosMethod.Invoke: requesting run-time address for " + mangled_name); MethodAddress = JitOperations.GetAddressOfObject(mspec.MangleMethod()); if (MethodAddress == null) { System.Diagnostics.Debugger.Log(0, "libsupcs", "TysosMethod.Invoke: jit compiling method"); MethodAddress = JitOperations.JitCompile(this.mspec); } } if (MethodAddress == null) { throw new System.Reflection.TargetException("Method does not have a defined implementation (" + OwningType.FullName + "." + Name + "())"); } if (!IsStatic && (obj == null)) { throw new System.Reflection.TargetException("Instance method and obj is null (" + OwningType.FullName + "." + Name + "())"); } // TODO: check number and type of parameters is what the method expects // Get total number of parameters int p_length = 0; if (parameters != null) { p_length = parameters.Length; } if (!IsStatic) { p_length++; } // See InternalStrCpy for the rationale here int max_stack_alloc = p_length > 512 ? 512 : p_length; IntPtr *pstack = stackalloc IntPtr[max_stack_alloc]; IntPtr *tstack = stackalloc IntPtr[max_stack_alloc]; void **ps, ts; if (max_stack_alloc <= 512) { ps = (void **)pstack; ts = (void **)tstack; } else { ps = (void **)MemoryOperations.GcMalloc(p_length * sizeof(void *)); ts = (void **)MemoryOperations.GcMalloc(p_length * sizeof(void *)); } // Build a new params array to include obj if necessary, and a tysos type array int curptr = 0; if (!IsStatic) { ps[0] = CastOperations.ReinterpretAsPointer(obj); ts[0] = OtherOperations.GetStaticObjectAddress("_Zu1O"); curptr++; } if (parameters != null) { for (int i = 0; i < parameters.Length; i++, curptr++) { var cp = CastOperations.ReinterpretAsPointer(parameters[i]); ps[curptr] = cp; ts[curptr] = *(void **)cp; } } if (!IsStatic) { flags |= invoke_flag_instance; } if (OwningType.IsValueType) { flags |= invoke_flag_vt; } if (ReturnType != null && ReturnType.IsValueType) { flags |= invoke_flag_vt_ret; } return(CastOperations.ReinterpretAsObject(InternalInvoke(MethodAddress, p_length, ps, ts, (ReturnType != null) ? TysosType.ReinterpretAsType(ReturnType)._impl : null, flags))); }