public PInvokeMethodData(PInvokeLazyFixupField pInvokeLazyFixupField)
{
PInvokeMetadata metadata = pInvokeLazyFixupField.PInvokeMetadata;
ModuleDesc declaringModule = ((MetadataType)pInvokeLazyFixupField.TargetMethod.OwningType).Module;
DllImportSearchPath?dllImportSearchPath = default;
if (declaringModule.Assembly is EcmaAssembly asm)
{
// We look for [assembly:DefaultDllImportSearchPaths(...)]
var attrHandle = asm.MetadataReader.GetCustomAttributeHandle(asm.AssemblyDefinition.GetCustomAttributes(),
"System.Runtime.InteropServices", "DefaultDllImportSearchPathsAttribute");
if (!attrHandle.IsNil)
{
var attr = asm.MetadataReader.GetCustomAttribute(attrHandle);
var decoded = attr.DecodeValue(new CustomAttributeTypeProvider(asm));
if (decoded.FixedArguments.Length == 1 &&
decoded.FixedArguments[0].Value is int searchPath)
{
dllImportSearchPath = (DllImportSearchPath)searchPath;
}
}
}
ModuleData = new PInvokeModuleData(metadata.Module, dllImportSearchPath, declaringModule);
EntryPointName = metadata.Name;
CharSet charSetMangling = default;
if (declaringModule.Context.Target.IsWindows && !metadata.Flags.ExactSpelling)
{
// Mirror CharSet normalization from Marshaller.CreateMarshaller
bool isAnsi = metadata.Flags.CharSet switch
{
CharSet.Ansi => true,
CharSet.Unicode => false,
CharSet.Auto => false,
_ => true
};
charSetMangling = isAnsi ? CharSet.Ansi : CharSet.Unicode;
}
CharSetMangling = charSetMangling;
}
public PInvokeModuleFixupNode(PInvokeModuleData pInvokeModuleData)
{
_pInvokeModuleData = pInvokeModuleData;
}
public ISymbolNode PInvokeModuleFixup(PInvokeModuleData moduleData)
{
return(_pInvokeModuleFixups.GetOrAdd(moduleData));
}
public PInvokeMethodFixupNode PInvokeMethodFixup(PInvokeModuleData moduleData, string entryPointName, PInvokeFlags flags)
{
return(_pInvokeMethodFixups.GetOrAdd(Tuple.Create(moduleData, entryPointName, flags)));
}
public PInvokeMethodFixupNode(PInvokeModuleData moduleData, string entryPointName, PInvokeFlags flags)
{
_moduleData = moduleData;
_entryPointName = entryPointName;
_flags = flags;
}