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Create error message when UnmanagedCallersOnly is used with DllImport. #114240

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Merged
AaronRobinsonMSFT merged 3 commits into from
Apr 4, 2025
Merged

Create error message when UnmanagedCallersOnly is used with DllImport. #114240

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99f44a5
Update error message when the name of the method is known.
AaronRobinsonMSFT Apr 3, 2025
95b23a5
Create specific error for DllImport and UnmanagedCallersOnly.
AaronRobinsonMSFT Apr 3, 2025
247241e
Merge branch 'main' into runtime_92409
AaronRobinsonMSFT Apr 3, 2025
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1 change: 1 addition & 0 deletions src/coreclr/dlls/mscorrc/mscorrc.rc
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Original file line number Diff line number Diff line change
Expand Up @@ -151,6 +151,7 @@ STRINGTABLE DISCARDABLE
BEGIN
IDS_EE_THREAD_APARTMENT_NOT_SUPPORTED "The system does not support the %1 thread apartment."
IDS_EE_NDIRECT_UNSUPPORTED_SIG "Method's type signature is not PInvoke compatible."
IDS_EE_NDIRECT_NAMED_UNSUPPORTED_SIG "Method '%1.%2', has a signature that is not PInvoke compatible."
IDS_EE_COM_UNSUPPORTED_SIG "Method's type signature is not Interop compatible."
IDS_EE_COM_UNSUPPORTED_TYPE "The method returned a COM Variant type that is not Interop compatible."
IDS_EE_MULTIPLE_CALLCONV_UNSUPPORTED "Multiple unmanaged calling conventions are specified. Only a single calling convention is supported."
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1 change: 1 addition & 0 deletions src/coreclr/dlls/mscorrc/resource.h
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Expand Up @@ -35,6 +35,7 @@
#define IDS_DS_DSOTHREADMODEL 0x1707

#define IDS_EE_NDIRECT_UNSUPPORTED_SIG 0x1708
#define IDS_EE_NDIRECT_NAMED_UNSUPPORTED_SIG 0x1709
#define IDS_EE_NDIRECT_BADNATL 0x170a
#define IDS_EE_NDIRECT_LOADLIB_WIN 0x170b
#define IDS_EE_NDIRECT_GETPROCADDRESS_WIN 0x170c
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9 changes: 7 additions & 2 deletions src/coreclr/vm/dllimport.cpp
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Expand Up @@ -3415,7 +3415,6 @@ BOOL NDirect::MarshalingRequired(
return FALSE;
}


// factorization of CreateNDirectStubWorker
static MarshalInfo::MarshalType DoMarshalReturnValue(MetaSig& msig,
mdParamDef* params,
Expand Down Expand Up @@ -4291,7 +4290,13 @@ static void CreateNDirectStubAccessMetadata(
// P/Invoke marked with UnmanagedCallersOnlyAttribute is not
// presently supported.
if (pMD->HasUnmanagedCallersOnlyAttribute())
COMPlusThrow(kNotSupportedException, IDS_EE_NDIRECT_UNSUPPORTED_SIG);
{
SString namespaceOrClassName;
SString methodName;
pMD->GetMethodInfoNoSig(namespaceOrClassName, methodName);
COMPlusThrow(kNotSupportedException, IDS_EE_NDIRECT_NAMED_UNSUPPORTED_SIG,
namespaceOrClassName.GetUnicode(), methodName.GetUnicode());
}

// Check to see if we need to do LCID conversion.
lcidArg = GetLCIDParameterIndex(pMD);
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