private PointerTypeInformation CreatePointerType(TypeInformationCache type_cache, long module_base, int index, SymbolLoadedModule module)
{
var length = GetSymbolLong(IMAGEHLP_SYMBOL_TYPE_INFO.TI_GET_LENGTH, module_base, index) ?? 0;
var type_id = GetSymbolDword(IMAGEHLP_SYMBOL_TYPE_INFO.TI_GET_TYPEID, module_base, index);
var is_reference = GetSymbolDword(IMAGEHLP_SYMBOL_TYPE_INFO.TI_GET_IS_REFERENCE, module_base, index) ?? 0;
PointerTypeInformation pointer;
if (type_id.HasValue)
{
pointer = new PointerTypeInformation(length, index, module,
null, is_reference != 0);
type_cache.AddEntry(module_base, index, pointer);
type_cache.AddFixedup(module_base, type_id.Value, pointer);
pointer.PointerType = CreateType(type_cache, module_base, type_id.Value, module);
}
else
{
return(new PointerTypeInformation(length, index, module,
new BaseTypeInformation(0, 0, module, BasicType.Void), is_reference != 0));
}
type_cache.AddEntry(module_base, index, pointer);
return(pointer);
}
private TypeInformation CreateType(TypeInformationCache type_cache, SymTagEnum tag,
long module_base, int index, long size, SymbolLoadedModule module, string name,
long address = 0)
{
if (type_cache.HasEntry(module_base, index))
{
return(type_cache.GetEntry(module_base, index));
}
TypeInformation ret;
switch (tag)
{
case SymTagEnum.SymTagUDT:
ret = CreateUserDefinedType(type_cache, module_base, index, module, name);
break;
case SymTagEnum.SymTagEnum:
ret = CreateEnumType(type_cache, module_base, index, module, name);
break;
case SymTagEnum.SymTagBaseType:
ret = CreateBaseType(type_cache, module_base, index, module);
break;
case SymTagEnum.SymTagPointerType:
ret = CreatePointerType(type_cache, module_base, index, module);
break;
case SymTagEnum.SymTagArrayType:
ret = CreateArrayType(type_cache, module_base, index, module);
break;
case SymTagEnum.SymTagFunction:
ret = CreateFunctionType(type_cache, module_base, index, module, name, address);
break;
default:
Debug.WriteLine(tag.ToString());
ret = new TypeInformation(tag, size, index, module, name);
break;
}
type_cache.AddEntry(module_base, index, ret);
return(ret);
}
