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mlinfo.cpp
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
//
// File: mlinfo.cpp
//
//
#include "common.h"
#include "mlinfo.h"
#include "dllimport.h"
#include "sigformat.h"
#include "eeconfig.h"
#include "eehash.h"
#include "../dlls/mscorrc/resource.h"
#include "typeparse.h"
#include "comdelegate.h"
#include "olevariant.h"
#include "ilmarshalers.h"
#include "interoputil.h"
#ifdef FEATURE_COMINTEROP
#include "comcallablewrapper.h"
#include "runtimecallablewrapper.h"
#include "dispparammarshaler.h"
#endif // FEATURE_COMINTEROP
#ifdef FEATURE_COMINTEROP
DEFINE_ASM_QUAL_TYPE_NAME(ENUMERATOR_TO_ENUM_VARIANT_CM_NAME, g_EnumeratorToEnumClassName, g_CorelibAsmName);
static const int ENUMERATOR_TO_ENUM_VARIANT_CM_NAME_LEN = ARRAY_SIZE(ENUMERATOR_TO_ENUM_VARIANT_CM_NAME);
static const char ENUMERATOR_TO_ENUM_VARIANT_CM_COOKIE[] = {""};
static const int ENUMERATOR_TO_ENUM_VARIANT_CM_COOKIE_LEN = ARRAY_SIZE(ENUMERATOR_TO_ENUM_VARIANT_CM_COOKIE);
DEFINE_ASM_QUAL_TYPE_NAME(COLOR_TRANSLATOR_ASM_QUAL_TYPE_NAME, g_ColorTranslatorClassName, g_DrawingAsmName);
DEFINE_ASM_QUAL_TYPE_NAME(COLOR_ASM_QUAL_TYPE_NAME, g_ColorClassName, g_DrawingAsmName);
#define OLECOLOR_TO_SYSTEMCOLOR_METH_NAME "FromOle"
#define SYSTEMCOLOR_TO_OLECOLOR_METH_NAME "ToOle"
#endif // FEATURE_COMINTEROP
#define INITIAL_NUM_STRUCT_ILSTUB_HASHTABLE_BUCKETS 32
#define INITIAL_NUM_CMHELPER_HASHTABLE_BUCKETS 32
#define INITIAL_NUM_CMINFO_HASHTABLE_BUCKETS 32
#define DEBUG_CONTEXT_STR_LEN 2000
namespace
{
//-------------------------------------------------------------------------------------
// Return the copy ctor for a VC class (if any exists)
//-------------------------------------------------------------------------------------
void FindCopyCtor(Module *pModule, MethodTable *pMT, MethodDesc **pMDOut)
{
CONTRACTL
{
THROWS;
GC_TRIGGERS; // CompareTypeTokens may trigger GC
MODE_ANY;
}
CONTRACTL_END;
*pMDOut = NULL;
HRESULT hr;
mdMethodDef tk;
mdTypeDef cl = pMT->GetCl();
TypeHandle th = TypeHandle(pMT);
SigTypeContext typeContext(th);
IMDInternalImport *pInternalImport = pModule->GetMDImport();
MDEnumHolder hEnumMethod(pInternalImport);
//
// First try for the new syntax: <MarshalCopy>
//
IfFailThrow(pInternalImport->EnumInit(mdtMethodDef, cl, &hEnumMethod));
while (pInternalImport->EnumNext(&hEnumMethod, &tk))
{
_ASSERTE(TypeFromToken(tk) == mdtMethodDef);
DWORD dwMemberAttrs;
IfFailThrow(pInternalImport->GetMethodDefProps(tk, &dwMemberAttrs));
if (IsMdSpecialName(dwMemberAttrs))
{
ULONG cSig;
PCCOR_SIGNATURE pSig;
LPCSTR pName;
IfFailThrow(pInternalImport->GetNameAndSigOfMethodDef(tk, &pSig, &cSig, &pName));
const char *pBaseName = "<MarshalCopy>";
int ncBaseName = (int)strlen(pBaseName);
int nc = (int)strlen(pName);
if (nc >= ncBaseName && 0 == strcmp(pName + nc - ncBaseName, pBaseName))
{
MetaSig msig(pSig, cSig, pModule, &typeContext);
// Looking for the prototype void <MarshalCopy>(Ptr VC, Ptr VC);
if (msig.NumFixedArgs() == 2)
{
if (msig.GetReturnType() == ELEMENT_TYPE_VOID)
{
if (msig.NextArg() == ELEMENT_TYPE_PTR)
{
SigPointer sp1 = msig.GetArgProps();
IfFailThrow(sp1.GetElemType(NULL));
CorElementType eType;
IfFailThrow(sp1.GetElemType(&eType));
if (eType == ELEMENT_TYPE_VALUETYPE)
{
mdToken tk1;
IfFailThrow(sp1.GetToken(&tk1));
hr = CompareTypeTokensNT(tk1, cl, pModule, pModule);
if (FAILED(hr))
{
pInternalImport->EnumClose(&hEnumMethod);
ThrowHR(hr);
}
if (hr == S_OK)
{
if (msig.NextArg() == ELEMENT_TYPE_PTR)
{
SigPointer sp2 = msig.GetArgProps();
IfFailThrow(sp2.GetElemType(NULL));
IfFailThrow(sp2.GetElemType(&eType));
if (eType == ELEMENT_TYPE_VALUETYPE)
{
mdToken tk2;
IfFailThrow(sp2.GetToken(&tk2));
hr = (tk2 == tk1) ? S_OK : CompareTypeTokensNT(tk2, cl, pModule, pModule);
if (hr == S_OK)
{
*pMDOut = pModule->LookupMethodDef(tk);
return;
}
}
}
}
}
}
}
}
}
}
}
//
// Next try the old syntax: global .__ctor
//
IfFailThrow(pInternalImport->EnumGlobalFunctionsInit(&hEnumMethod));
while (pInternalImport->EnumNext(&hEnumMethod, &tk))
{
_ASSERTE(TypeFromToken(tk) == mdtMethodDef);
DWORD dwMemberAttrs;
IfFailThrow(pInternalImport->GetMethodDefProps(tk, &dwMemberAttrs));
if (IsMdSpecialName(dwMemberAttrs))
{
ULONG cSig;
PCCOR_SIGNATURE pSig;
LPCSTR pName;
IfFailThrow(pInternalImport->GetNameAndSigOfMethodDef(tk, &pSig, &cSig, &pName));
const char *pBaseName = ".__ctor";
int ncBaseName = (int)strlen(pBaseName);
int nc = (int)strlen(pName);
if (nc >= ncBaseName && 0 == strcmp(pName + nc - ncBaseName, pBaseName))
{
MetaSig msig(pSig, cSig, pModule, &typeContext);
// Looking for the prototype Ptr VC __ctor(Ptr VC, ByRef VC);
if (msig.NumFixedArgs() == 2)
{
if (msig.GetReturnType() == ELEMENT_TYPE_PTR)
{
SigPointer spret = msig.GetReturnProps();
IfFailThrow(spret.GetElemType(NULL));
CorElementType eType;
IfFailThrow(spret.GetElemType(&eType));
if (eType == ELEMENT_TYPE_VALUETYPE)
{
mdToken tk0;
IfFailThrow(spret.GetToken(&tk0));
hr = CompareTypeTokensNT(tk0, cl, pModule, pModule);
if (FAILED(hr))
{
pInternalImport->EnumClose(&hEnumMethod);
ThrowHR(hr);
}
if (hr == S_OK)
{
if (msig.NextArg() == ELEMENT_TYPE_PTR)
{
SigPointer sp1 = msig.GetArgProps();
IfFailThrow(sp1.GetElemType(NULL));
IfFailThrow(sp1.GetElemType(&eType));
if (eType == ELEMENT_TYPE_VALUETYPE)
{
mdToken tk1;
IfFailThrow(sp1.GetToken(&tk1));
hr = (tk1 == tk0) ? S_OK : CompareTypeTokensNT(tk1, cl, pModule, pModule);
if (FAILED(hr))
{
pInternalImport->EnumClose(&hEnumMethod);
ThrowHR(hr);
}
if (hr == S_OK)
{
if (msig.NextArg() == ELEMENT_TYPE_PTR &&
msig.GetArgProps().HasCustomModifier(pModule, "Microsoft.VisualC.IsCXXReferenceModifier", ELEMENT_TYPE_CMOD_OPT))
{
SigPointer sp2 = msig.GetArgProps();
IfFailThrow(sp2.GetElemType(NULL));
IfFailThrow(sp2.GetElemType(&eType));
if (eType == ELEMENT_TYPE_VALUETYPE)
{
mdToken tk2;
IfFailThrow(sp2.GetToken(&tk2));
hr = (tk2 == tk0) ? S_OK : CompareTypeTokensNT(tk2, cl, pModule, pModule);
if (hr == S_OK)
{
*pMDOut = pModule->LookupMethodDef(tk);
return;
}
}
}
}
}
}
}
}
}
}
}
}
}
}
//-------------------------------------------------------------------------------------
// Return the destructor for a VC class (if any exists)
//-------------------------------------------------------------------------------------
void FindDtor(Module *pModule, MethodTable *pMT, MethodDesc **pMDOut)
{
CONTRACTL
{
THROWS;
GC_TRIGGERS; // CompareTypeTokens may trigger GC
MODE_ANY;
}
CONTRACTL_END;
*pMDOut = NULL;
HRESULT hr;
mdMethodDef tk;
mdTypeDef cl = pMT->GetCl();
TypeHandle th = TypeHandle(pMT);
SigTypeContext typeContext(th);
IMDInternalImport *pInternalImport = pModule->GetMDImport();
MDEnumHolder hEnumMethod(pInternalImport);
//
// First try for the new syntax: <MarshalDestroy>
//
IfFailThrow(pInternalImport->EnumInit(mdtMethodDef, cl, &hEnumMethod));
while (pInternalImport->EnumNext(&hEnumMethod, &tk))
{
_ASSERTE(TypeFromToken(tk) == mdtMethodDef);
DWORD dwMemberAttrs;
IfFailThrow(pInternalImport->GetMethodDefProps(tk, &dwMemberAttrs));
if (IsMdSpecialName(dwMemberAttrs))
{
ULONG cSig;
PCCOR_SIGNATURE pSig;
LPCSTR pName;
IfFailThrow(pInternalImport->GetNameAndSigOfMethodDef(tk, &pSig, &cSig, &pName));
const char *pBaseName = "<MarshalDestroy>";
int ncBaseName = (int)strlen(pBaseName);
int nc = (int)strlen(pName);
if (nc >= ncBaseName && 0 == strcmp(pName + nc - ncBaseName, pBaseName))
{
MetaSig msig(pSig, cSig, pModule, &typeContext);
// Looking for the prototype void <MarshalDestroy>(Ptr VC);
if (msig.NumFixedArgs() == 1)
{
if (msig.GetReturnType() == ELEMENT_TYPE_VOID)
{
if (msig.NextArg() == ELEMENT_TYPE_PTR)
{
SigPointer sp1 = msig.GetArgProps();
IfFailThrow(sp1.GetElemType(NULL));
CorElementType eType;
IfFailThrow(sp1.GetElemType(&eType));
if (eType == ELEMENT_TYPE_VALUETYPE)
{
mdToken tk1;
IfFailThrow(sp1.GetToken(&tk1));
hr = CompareTypeTokensNT(tk1, cl, pModule, pModule);
IfFailThrow(hr);
if (hr == S_OK)
{
*pMDOut = pModule->LookupMethodDef(tk);
return;
}
}
}
}
}
}
}
}
//
// Next try the old syntax: global .__dtor
//
IfFailThrow(pInternalImport->EnumGlobalFunctionsInit(&hEnumMethod));
while (pInternalImport->EnumNext(&hEnumMethod, &tk))
{
_ASSERTE(TypeFromToken(tk) == mdtMethodDef);
ULONG cSig;
PCCOR_SIGNATURE pSig;
LPCSTR pName;
IfFailThrow(pInternalImport->GetNameAndSigOfMethodDef(tk, &pSig, &cSig, &pName));
const char *pBaseName = ".__dtor";
int ncBaseName = (int)strlen(pBaseName);
int nc = (int)strlen(pName);
if (nc >= ncBaseName && 0 == strcmp(pName + nc - ncBaseName, pBaseName))
{
MetaSig msig(pSig, cSig, pModule, &typeContext);
// Looking for the prototype void __dtor(Ptr VC);
if (msig.NumFixedArgs() == 1)
{
if (msig.GetReturnType() == ELEMENT_TYPE_VOID)
{
if (msig.NextArg() == ELEMENT_TYPE_PTR)
{
SigPointer sp1 = msig.GetArgProps();
IfFailThrow(sp1.GetElemType(NULL));
CorElementType eType;
IfFailThrow(sp1.GetElemType(&eType));
if (eType == ELEMENT_TYPE_VALUETYPE)
{
mdToken tk1;
IfFailThrow(sp1.GetToken(&tk1));
hr = CompareTypeTokensNT(tk1, cl, pModule, pModule);
if (FAILED(hr))
{
pInternalImport->EnumClose(&hEnumMethod);
ThrowHR(hr);
}
if (hr == S_OK)
{
*pMDOut = pModule->LookupMethodDef(tk);
return;
}
}
}
}
}
}
}
}
}
//==========================================================================
// Set's up the custom marshaler information.
//==========================================================================
CustomMarshalerHelper *SetupCustomMarshalerHelper(LPCUTF8 strMarshalerTypeName, DWORD cMarshalerTypeNameBytes, LPCUTF8 strCookie, DWORD cCookieStrBytes, Assembly *pAssembly, TypeHandle hndManagedType)
{
CONTRACT (CustomMarshalerHelper*)
{
STANDARD_VM_CHECK;
PRECONDITION(CheckPointer(pAssembly));
POSTCONDITION(CheckPointer(RETVAL));
}
CONTRACT_END;
EEMarshalingData *pMarshalingData = NULL;
// The assembly is not shared so we use the current app domain's marshaling data.
pMarshalingData = pAssembly->GetLoaderAllocator()->GetMarshalingData();
// Retrieve the custom marshaler helper from the EE marshaling data.
RETURN pMarshalingData->GetCustomMarshalerHelper(pAssembly, hndManagedType, strMarshalerTypeName, cMarshalerTypeNameBytes, strCookie, cCookieStrBytes);
}
namespace
{
//==========================================================================
// Return: S_OK if there is valid data to compress
// S_FALSE if at end of data block
// E_FAIL if corrupt data found
//==========================================================================
HRESULT CheckForCompressedData(PCCOR_SIGNATURE pvNativeTypeStart, PCCOR_SIGNATURE pvNativeType, ULONG cbNativeType)
{
CONTRACTL
{
NOTHROW;
GC_NOTRIGGER;
MODE_ANY;
}
CONTRACTL_END;
if (pvNativeTypeStart + cbNativeType == pvNativeType)
{ // end of data block
return S_FALSE;
}
ULONG ulDummy;
BYTE const *pbDummy;
return CPackedLen::SafeGetLength((BYTE const *)pvNativeType,
(BYTE const *)pvNativeTypeStart + cbNativeType,
&ulDummy,
&pbDummy);
}
}
//==========================================================================
// Parse and validate the NATIVE_TYPE_ metadata.
// Note! NATIVE_TYPE_ metadata is optional. If it's not present, this
// routine sets NativeTypeParamInfo->m_NativeType to NATIVE_TYPE_DEFAULT.
//==========================================================================
BOOL ParseNativeTypeInfo(NativeTypeParamInfo* pParamInfo, PCCOR_SIGNATURE pvNativeType, ULONG cbNativeType);
BOOL ParseNativeTypeInfo(mdToken token,
IMDInternalImport* pScope,
NativeTypeParamInfo* pParamInfo)
{
CONTRACTL
{
NOTHROW;
GC_NOTRIGGER;
MODE_ANY;
}
CONTRACTL_END;
PCCOR_SIGNATURE pvNativeType;
ULONG cbNativeType;
if (token == mdParamDefNil || token == mdFieldDefNil || pScope->GetFieldMarshal(token, &pvNativeType, &cbNativeType) != S_OK)
return TRUE;
return ParseNativeTypeInfo(pParamInfo, pvNativeType, cbNativeType);
}
BOOL ParseNativeTypeInfo(NativeTypeParamInfo* pParamInfo,
PCCOR_SIGNATURE pvNativeType,
ULONG cbNativeType)
{
LIMITED_METHOD_CONTRACT;
HRESULT hr;
PCCOR_SIGNATURE pvNativeTypeStart = pvNativeType;
PCCOR_SIGNATURE pvNativeTypeEnd = pvNativeType + cbNativeType;
if (cbNativeType == 0)
return FALSE; // Zero-length NATIVE_TYPE block
pParamInfo->m_NativeType = (CorNativeType)*(pvNativeType++);
ULONG strLen = 0;
// Retrieve any extra information associated with the native type.
switch (pParamInfo->m_NativeType)
{
#ifdef FEATURE_COMINTEROP
case NATIVE_TYPE_INTF:
case NATIVE_TYPE_IUNKNOWN:
case NATIVE_TYPE_IDISPATCH:
if (S_OK != CheckForCompressedData(pvNativeTypeStart, pvNativeType, cbNativeType))
return TRUE;
pParamInfo->m_IidParamIndex = (int)CorSigUncompressData(pvNativeType);
break;
#endif
case NATIVE_TYPE_FIXEDARRAY:
if (S_OK != CheckForCompressedData(pvNativeTypeStart, pvNativeType, cbNativeType))
return FALSE;
pParamInfo->m_Additive = CorSigUncompressData(pvNativeType);
if (S_OK != CheckForCompressedData(pvNativeTypeStart, pvNativeType, cbNativeType))
return TRUE;
pParamInfo->m_ArrayElementType = (CorNativeType)CorSigUncompressData(pvNativeType);
break;
case NATIVE_TYPE_FIXEDSYSSTRING:
if (S_OK != CheckForCompressedData(pvNativeTypeStart, pvNativeType, cbNativeType))
return FALSE;
pParamInfo->m_Additive = CorSigUncompressData(pvNativeType);
break;
#ifdef FEATURE_COMINTEROP
case NATIVE_TYPE_SAFEARRAY:
// Check for the safe array element type.
hr = CheckForCompressedData(pvNativeTypeStart, pvNativeType, cbNativeType);
if (FAILED(hr))
return FALSE;
if (hr == S_OK)
pParamInfo->m_SafeArrayElementVT = (VARTYPE) (CorSigUncompressData(/*modifies*/pvNativeType));
// Extract the name of the record type's.
if (S_OK == CheckForCompressedData(pvNativeTypeStart, pvNativeType, cbNativeType))
{
hr = CPackedLen::SafeGetData((BYTE const *)pvNativeType,
(BYTE const *)pvNativeTypeEnd,
&strLen,
(BYTE const **)&pvNativeType);
if (FAILED(hr))
{
return FALSE;
}
pParamInfo->m_strSafeArrayUserDefTypeName = (LPUTF8)pvNativeType;
pParamInfo->m_cSafeArrayUserDefTypeNameBytes = strLen;
_ASSERTE((ULONG)(pvNativeType + strLen - pvNativeTypeStart) == cbNativeType);
}
break;
#endif // FEATURE_COMINTEROP
case NATIVE_TYPE_ARRAY:
hr = CheckForCompressedData(pvNativeTypeStart, pvNativeType, cbNativeType);
if (FAILED(hr))
return FALSE;
if (hr == S_OK)
pParamInfo->m_ArrayElementType = (CorNativeType) (CorSigUncompressData(/*modifies*/pvNativeType));
// Check for "sizeis" param index
hr = CheckForCompressedData(pvNativeTypeStart, pvNativeType, cbNativeType);
if (FAILED(hr))
return FALSE;
if (hr == S_OK)
{
pParamInfo->m_SizeIsSpecified = TRUE;
pParamInfo->m_CountParamIdx = (UINT16)(CorSigUncompressData(/*modifies*/pvNativeType));
// If an "sizeis" param index is present, the defaults for multiplier and additive change
pParamInfo->m_Multiplier = 1;
pParamInfo->m_Additive = 0;
// Check for "sizeis" additive
hr = CheckForCompressedData(pvNativeTypeStart, pvNativeType, cbNativeType);
if (FAILED(hr))
return FALSE;
if (hr == S_OK)
{
// Extract the additive.
pParamInfo->m_Additive = (DWORD)CorSigUncompressData(/*modifies*/pvNativeType);
// Check to see if the flags field is present.
hr = CheckForCompressedData(pvNativeTypeStart, pvNativeType, cbNativeType);
if (FAILED(hr))
return FALSE;
if (hr == S_OK)
{
// If the param index specified flag isn't set then we need to reset the
// multiplier to 0 to indicate no size param index was specified.
NativeTypeArrayFlags flags = (NativeTypeArrayFlags)CorSigUncompressData(/*modifies*/pvNativeType);;
if (!(flags & ntaSizeParamIndexSpecified))
pParamInfo->m_Multiplier = 0;
}
}
}
break;
case NATIVE_TYPE_CUSTOMMARSHALER:
// Skip the typelib guid.
if (S_OK != CheckForCompressedData(pvNativeTypeStart, pvNativeType, cbNativeType))
return FALSE;
if (FAILED(CPackedLen::SafeGetData(pvNativeType, pvNativeTypeEnd, &strLen, (void const **)&pvNativeType)))
return FALSE;
pvNativeType += strLen;
_ASSERTE((ULONG)(pvNativeType - pvNativeTypeStart) < cbNativeType);
// Skip the name of the native type.
if (S_OK != CheckForCompressedData(pvNativeTypeStart, pvNativeType, cbNativeType))
return FALSE;
if (FAILED(CPackedLen::SafeGetData(pvNativeType, pvNativeTypeEnd, &strLen, (void const **)&pvNativeType)))
return FALSE;
pvNativeType += strLen;
_ASSERTE((ULONG)(pvNativeType - pvNativeTypeStart) < cbNativeType);
// Extract the name of the custom marshaler.
if (S_OK != CheckForCompressedData(pvNativeTypeStart, pvNativeType, cbNativeType))
return FALSE;
if (FAILED(CPackedLen::SafeGetData(pvNativeType, pvNativeTypeEnd, &strLen, (void const **)&pvNativeType)))
return FALSE;
pParamInfo->m_strCMMarshalerTypeName = (LPUTF8)pvNativeType;
pParamInfo->m_cCMMarshalerTypeNameBytes = strLen;
pvNativeType += strLen;
_ASSERTE((ULONG)(pvNativeType - pvNativeTypeStart) < cbNativeType);
// Extract the cookie string.
if (S_OK != CheckForCompressedData(pvNativeTypeStart, pvNativeType, cbNativeType))
return FALSE;
if (FAILED(CPackedLen::SafeGetData(pvNativeType, pvNativeTypeEnd, &strLen, (void const **)&pvNativeType)))
return FALSE;
pParamInfo->m_strCMCookie = (LPUTF8)pvNativeType;
pParamInfo->m_cCMCookieStrBytes = strLen;
_ASSERTE((ULONG)(pvNativeType + strLen - pvNativeTypeStart) == cbNativeType);
break;
default:
break;
}
return TRUE;
}
VOID ThrowInteropParamException(UINT resID, UINT paramIdx)
{
CONTRACTL
{
THROWS;
GC_TRIGGERS;
MODE_ANY;
}
CONTRACTL_END;
SString paramString;
if (paramIdx == 0)
paramString.Set(W("return value"));
else
paramString.Printf("parameter #%u", paramIdx);
SString errorString(W("Unknown error."));
errorString.LoadResource(CCompRC::Error, resID);
COMPlusThrow(kMarshalDirectiveException, IDS_EE_BADMARSHAL_ERROR_MSG, paramString.GetUnicode(), errorString.GetUnicode());
}
#ifdef _DEBUG
BOOL IsFixedBuffer(mdFieldDef field, IMDInternalImport* pInternalImport)
{
HRESULT hr = pInternalImport->GetCustomAttributeByName(field, g_FixedBufferAttribute, NULL, NULL);
return hr == S_OK ? TRUE : FALSE;
}
#endif
//===============================================================
// Collects paraminfo's in an indexed array so that:
//
// aParams[0] == param token for return value
// aParams[1] == param token for argument #1...
// aParams[numargs] == param token for argument #n...
//
// If no param token exists, the corresponding array element
// is set to mdParamDefNil.
//
// Inputs:
// pInternalImport -- ifc for metadata api
// md -- token of method. If token is mdMethodNil,
// all aParam elements will be set to mdParamDefNil.
// numargs -- # of arguments in mdMethod
// aParams -- uninitialized array with numargs+1 elements.
// on exit, will be filled with param tokens.
//===============================================================
VOID CollateParamTokens(IMDInternalImport *pInternalImport, mdMethodDef md, ULONG numargs, mdParamDef *aParams)
{
CONTRACTL
{
THROWS;
GC_NOTRIGGER;
MODE_ANY;
}
CONTRACTL_END;
for (ULONG i = 0; i < numargs + 1; i++)
aParams[i] = mdParamDefNil;
if (md != mdMethodDefNil)
{
MDEnumHolder hEnumParams(pInternalImport);
HRESULT hr = pInternalImport->EnumInit(mdtParamDef, md, &hEnumParams);
if (FAILED(hr))
{
// no param info: nothing left to do here
}
else
{
mdParamDef CurrParam = mdParamDefNil;
while (pInternalImport->EnumNext(&hEnumParams, &CurrParam))
{
USHORT usSequence;
DWORD dwAttr;
LPCSTR szParamName_Ignore;
if (SUCCEEDED(pInternalImport->GetParamDefProps(CurrParam, &usSequence, &dwAttr, &szParamName_Ignore)))
{
if (usSequence > numargs)
{ // Invalid argument index
ThrowHR(COR_E_BADIMAGEFORMAT);
}
if (aParams[usSequence] != mdParamDefNil)
{ // Duplicit argument index
ThrowHR(COR_E_BADIMAGEFORMAT);
}
aParams[usSequence] = CurrParam;
}
}
}
}
}
#ifdef FEATURE_COMINTEROP
OleColorMarshalingInfo::OleColorMarshalingInfo() :
m_OleColorToSystemColorMD(NULL),
m_SystemColorToOleColorMD(NULL)
{
CONTRACTL
{
THROWS;
GC_TRIGGERS;
MODE_ANY;
}
CONTRACTL_END;
SString qualifiedColorTranslatorTypeName(SString::Utf8, COLOR_TRANSLATOR_ASM_QUAL_TYPE_NAME);
// Load the color translator class.
TypeHandle hndColorTranslatorType = TypeName::GetTypeFromAsmQualifiedName(qualifiedColorTranslatorTypeName.GetUnicode(), TRUE /* bThrowIfNotFound */);
SString qualifiedColorTypeName(SString::Utf8, COLOR_ASM_QUAL_TYPE_NAME);
// Load the color class.
m_hndColorType = TypeName::GetTypeFromAsmQualifiedName(qualifiedColorTypeName.GetUnicode(), TRUE /* bThrowIfNotFound */);
// Retrieve the method to convert an OLE_COLOR to a System.Drawing.Color.
m_OleColorToSystemColorMD = MemberLoader::FindMethodByName(hndColorTranslatorType.GetMethodTable(), OLECOLOR_TO_SYSTEMCOLOR_METH_NAME);
_ASSERTE(m_OleColorToSystemColorMD && "Unable to find the translator method to convert an OLE_COLOR to a System.Drawing.Color!");
_ASSERTE(m_OleColorToSystemColorMD->IsStatic() && "The translator method to convert an OLE_COLOR to a System.Drawing.Color must be static!");
// Retrieve the method to convert a System.Drawing.Color to an OLE_COLOR.
m_SystemColorToOleColorMD = MemberLoader::FindMethodByName(hndColorTranslatorType.GetMethodTable(), SYSTEMCOLOR_TO_OLECOLOR_METH_NAME);
_ASSERTE(m_SystemColorToOleColorMD && "Unable to find the translator method to convert a System.Drawing.Color to an OLE_COLOR!");
_ASSERTE(m_SystemColorToOleColorMD->IsStatic() && "The translator method to convert a System.Drawing.Color to an OLE_COLOR must be static!");
}
void *OleColorMarshalingInfo::operator new(size_t size, LoaderHeap *pHeap)
{
CONTRACT (void*)
{
THROWS;
GC_NOTRIGGER;
MODE_ANY;
INJECT_FAULT(COMPlusThrowOM());
PRECONDITION(CheckPointer(pHeap));
POSTCONDITION(CheckPointer(RETVAL));
}
CONTRACT_END;
void* mem = pHeap->AllocMem(S_SIZE_T(size));
RETURN mem;
}
void OleColorMarshalingInfo::operator delete(void *pMem)
{
LIMITED_METHOD_CONTRACT;
// Instances of this class are always allocated on the loader heap so
// the delete operator has nothing to do.
}
#endif // FEATURE_COMINTEROP
EEMarshalingData::EEMarshalingData(LoaderAllocator* pAllocator, CrstBase *pCrst) :
m_pAllocator(pAllocator),
m_pHeap(pAllocator->GetLowFrequencyHeap()),
m_lock(pCrst)
{
CONTRACTL
{
NOTHROW;
GC_NOTRIGGER;
MODE_ANY;
}
CONTRACTL_END;
LockOwner lock = {pCrst, IsOwnerOfCrst};
m_structILStubCache.Init(INITIAL_NUM_STRUCT_ILSTUB_HASHTABLE_BUCKETS, &lock);
m_CMHelperHashtable.Init(INITIAL_NUM_CMHELPER_HASHTABLE_BUCKETS, &lock);
m_SharedCMHelperToCMInfoMap.Init(INITIAL_NUM_CMINFO_HASHTABLE_BUCKETS, &lock);
}
EEMarshalingData::~EEMarshalingData()
{
WRAPPER_NO_CONTRACT;
CustomMarshalerInfo *pCMInfo;
// <TODO>@TODO(DM): Remove the linked list of CMInfo's and instead hang the OBJECTHANDLE
// contained inside the CMInfo off the AppDomain directly. The AppDomain can have
// a list of tasks to do when it gets teared down and we could leverage that
// to release the object handles.</TODO>
// Walk through the linked list and delete all the custom marshaler info's.
while ((pCMInfo = m_pCMInfoList.RemoveHead()) != NULL)
delete pCMInfo;
#ifdef FEATURE_COMINTEROP
if (m_pOleColorInfo)
{
delete m_pOleColorInfo;
m_pOleColorInfo = NULL;
}
#endif
}
void *EEMarshalingData::operator new(size_t size, LoaderHeap *pHeap)
{
CONTRACT (void*)
{
THROWS;
GC_NOTRIGGER;
MODE_ANY;
INJECT_FAULT(COMPlusThrowOM());
PRECONDITION(CheckPointer(pHeap));
POSTCONDITION(CheckPointer(RETVAL));
}
CONTRACT_END;
void* mem = pHeap->AllocMem(S_SIZE_T(sizeof(EEMarshalingData)));
RETURN mem;
}
void EEMarshalingData::operator delete(void *pMem)
{
LIMITED_METHOD_CONTRACT;
// Instances of this class are always allocated on the loader heap so
// the delete operator has nothing to do.
}
void EEMarshalingData::CacheStructILStub(MethodTable* pMT, MethodDesc* pStubMD)
{
STANDARD_VM_CONTRACT;
CrstHolder lock(m_lock);
// Verify that the stub has not already been added by another thread.
HashDatum res = 0;
if (m_structILStubCache.GetValue(pMT, &res))
{
return;
}
m_structILStubCache.InsertValue(pMT, pStubMD);
}
CustomMarshalerHelper *EEMarshalingData::GetCustomMarshalerHelper(Assembly *pAssembly, TypeHandle hndManagedType, LPCUTF8 strMarshalerTypeName, DWORD cMarshalerTypeNameBytes, LPCUTF8 strCookie, DWORD cCookieStrBytes)
{
CONTRACT (CustomMarshalerHelper*)
{
THROWS;
GC_TRIGGERS;
MODE_ANY;
INJECT_FAULT(COMPlusThrowOM());
PRECONDITION(CheckPointer(pAssembly));
POSTCONDITION(CheckPointer(RETVAL));
}
CONTRACT_END;
CustomMarshalerHelper *pCMHelper = NULL;
CustomMarshalerHelper* pNewCMHelper = NULL;
NewHolder<CustomMarshalerInfo> pNewCMInfo(NULL);
TypeHandle hndCustomMarshalerType;
// Create the key that will be used to lookup in the hashtable.
EECMHelperHashtableKey Key(cMarshalerTypeNameBytes, strMarshalerTypeName, cCookieStrBytes, strCookie, hndManagedType.GetInstantiation(), pAssembly);
// Lookup the custom marshaler helper in the hashtable.
if (m_CMHelperHashtable.GetValue(&Key, (HashDatum*)&pCMHelper))
RETURN pCMHelper;
{
GCX_COOP();
// Validate the arguments.
_ASSERTE(strMarshalerTypeName && strCookie && !hndManagedType.IsNull());
// Append a NULL terminator to the marshaler type name.
SString strCMMarshalerTypeName(SString::Utf8, strMarshalerTypeName, cMarshalerTypeNameBytes);
// Load the custom marshaler class.
hndCustomMarshalerType = TypeName::GetTypeReferencedByCustomAttribute(strCMMarshalerTypeName.GetUnicode(), pAssembly);
if (hndCustomMarshalerType.IsGenericTypeDefinition())
{
// Instantiate generic custom marshalers using the instantiation of the type being marshaled.
hndCustomMarshalerType = hndCustomMarshalerType.Instantiate(hndManagedType.GetInstantiation());
}
// Create the custom marshaler info in the specified heap.
pNewCMInfo = new (m_pHeap) CustomMarshalerInfo(m_pAllocator, hndCustomMarshalerType, hndManagedType, strCookie, cCookieStrBytes);
// Create the custom marshaler helper in the specified heap.
pNewCMHelper = new (m_pHeap) NonSharedCustomMarshalerHelper(pNewCMInfo);
}
{
CrstHolder lock(m_lock);
// Verify that the custom marshaler helper has not already been added by another thread.
if (m_CMHelperHashtable.GetValue(&Key, (HashDatum*)&pCMHelper))
{
RETURN pCMHelper;
}
// Add the custom marshaler helper to the hash table.
m_CMHelperHashtable.InsertValue(&Key, pNewCMHelper, FALSE);
// If we create the CM info, then add it to the linked list.
if (pNewCMInfo)
{
m_pCMInfoList.InsertHead(pNewCMInfo);
pNewCMInfo.SuppressRelease();
}
// Release the lock and return the custom marshaler info.
}
RETURN pNewCMHelper;
}
CustomMarshalerInfo *EEMarshalingData::GetCustomMarshalerInfo(SharedCustomMarshalerHelper *pSharedCMHelper)
{
CONTRACT (CustomMarshalerInfo*)
{
THROWS;
GC_TRIGGERS;
MODE_COOPERATIVE;
INJECT_FAULT(COMPlusThrowOM());
POSTCONDITION(CheckPointer(RETVAL));
}
CONTRACT_END;
CustomMarshalerInfo *pCMInfo = NULL;
NewHolder<CustomMarshalerInfo> pNewCMInfo(NULL);
TypeHandle hndCustomMarshalerType;
// Lookup the custom marshaler helper in the hashtable.
if (m_SharedCMHelperToCMInfoMap.GetValue(pSharedCMHelper, (HashDatum*)&pCMInfo))
RETURN pCMInfo;
// Append a NULL terminator to the marshaler type name.
CQuickArray<char> strCMMarshalerTypeName;
DWORD strLen = pSharedCMHelper->GetMarshalerTypeNameByteCount();
strCMMarshalerTypeName.ReSizeThrows(pSharedCMHelper->GetMarshalerTypeNameByteCount() + 1);
memcpy(strCMMarshalerTypeName.Ptr(), pSharedCMHelper->GetMarshalerTypeName(), strLen);
strCMMarshalerTypeName[strLen] = 0;