HRESULT CeeFileGenWriter::MapTokens(
CeeGenTokenMapper *pMapper,
IMetaDataImport *pImport)
{
mdTypeDef td;
mdMethodDef md;
ULONG count;
ULONG MethodRVA;
ULONG codeOffset;
ULONG BaseRVA;
DWORD dwFlags;
DWORD iFlags;
HCORENUM hTypeDefs = 0, hEnum = 0;
WCHAR rcwName[MAX_CLASSNAME_LENGTH];
HRESULT hr;
CeeSection TextSection = getTextSection();
// Ask for the base RVA of the first method in the stream. All other
// method RVA's are >= that value, and will give us the raw offset required.
hr = getMethodRVA(0, &BaseRVA);
_ASSERTE(SUCCEEDED(hr));
// do globals first
while ((hr = pImport->EnumMethods(&hEnum, mdTokenNil, &md, 1, &count)) == S_OK)
{
hr = pImport->GetMethodProps(md, NULL,
rcwName, lengthof(rcwName), NULL,
&dwFlags, NULL, NULL,
&MethodRVA, &iFlags);
_ASSERTE(SUCCEEDED(hr));
if (MethodRVA == 0 || ((IsMdAbstract(dwFlags) || IsMiInternalCall(iFlags)) ||
(! IsMiIL(iFlags) && ! IsMiOPTIL(iFlags))))
continue;
// The raw offset of the method is the RVA in the image minus
// the first method in the text section.
codeOffset = MethodRVA - BaseRVA;
hr = MapTokensForMethod(pMapper,
(BYTE *) TextSection.computePointer(codeOffset),
rcwName);
if (FAILED(hr))
goto ErrExit;
}
if (hEnum) pImport->CloseEnum(hEnum);
hEnum = 0;
while ((hr = pImport->EnumTypeDefs(&hTypeDefs, &td, 1, &count)) == S_OK)
{
while ((hr = pImport->EnumMethods(&hEnum, td, &md, 1, &count)) == S_OK)
{
hr = pImport->GetMethodProps(md, NULL,
rcwName, lengthof(rcwName), NULL,
&dwFlags, NULL, NULL,
&MethodRVA, &iFlags);
_ASSERTE(SUCCEEDED(hr));
if (MethodRVA == 0 || ((IsMdAbstract(dwFlags) || IsMiInternalCall(iFlags)) ||
(! IsMiIL(iFlags) && ! IsMiOPTIL(iFlags))))
continue;
// The raw offset of the method is the RVA in the image minus
// the first method in the text section.
codeOffset = MethodRVA - BaseRVA;
hr = MapTokensForMethod(pMapper,
(BYTE *) TextSection.computePointer(codeOffset),
rcwName);
if (FAILED(hr))
goto ErrExit;
}
if (hEnum) pImport->CloseEnum(hEnum);
hEnum = 0;
}
ErrExit:
if (hTypeDefs) pImport->CloseEnum(hTypeDefs);
if (hEnum) pImport->CloseEnum(hEnum);
return (hr);
}
void Binder::CheckMscorlib()
{
const FieldOffsetCheck *pOffsets = MscorlibFieldOffsets;
while (pOffsets->fieldID != FIELD__NIL)
{
FieldDesc *pFD = g_Mscorlib.FetchField(pOffsets->fieldID);
DWORD offset = pFD->GetOffset();
if (!pFD->GetMethodTableOfEnclosingClass()->IsValueClass())
offset += sizeof(ObjHeader);
_ASSERTE(offset == pOffsets->expectedOffset
&& "Managed class field offset does not match unmanaged class field offset");
pOffsets++;
}
const ClassSizeCheck *pSizes = MscorlibClassSizes;
while (pSizes->classID != CLASS__NIL)
{
MethodTable *pMT = g_Mscorlib.FetchClass(pSizes->classID);
DWORD size = pMT->GetClass()->GetNumInstanceFieldBytes();
DWORD expected = pSizes->expectedSize - sizeof(void*);
_ASSERTE(size == expected
&& "Managed object size does not match unmanaged object size");
pSizes++;
}
// check the consistency of BCL and VM
// note: it is not enabled by default because of it is time consuming and
// changes the bootstrap sequence of the EE
if (!g_pConfig->GetConfigDWORD(L"ConsistencyCheck", 0))
return;
//
// VM referencing BCL (mscorlib.h)
//
for (BinderClassID cID = (BinderClassID) 1; cID <= g_Mscorlib.m_cClassRIDs; cID = (BinderClassID) (cID + 1)) {
if (g_Mscorlib.GetClassName(cID) != NULL) // Allow for CorSigElement entries with no classes
g_Mscorlib.FetchClass(cID);
}
for (BinderMethodID mID = (BinderMethodID) 1; mID <= g_Mscorlib.m_cMethodRIDs; mID = (BinderMethodID) (mID + 1))
g_Mscorlib.FetchMethod(mID);
for (BinderFieldID fID = (BinderFieldID) 1; fID <= g_Mscorlib.m_cFieldRIDs; fID = (BinderFieldID) (fID + 1))
g_Mscorlib.FetchField(fID);
//
// BCL referencing VM (ecall.cpp)
//
HRESULT hr = S_OK;
Module *pModule = g_Mscorlib.m_pModule;
IMDInternalImport *pInternalImport = pModule->GetMDImport();
HENUMInternal hEnum;
// for all methods...
IfFailGo(pInternalImport->EnumAllInit(mdtMethodDef, &hEnum));
for (;;) {
mdTypeDef td;
mdTypeDef tdClass;
DWORD dwImplFlags;
if (!pInternalImport->EnumNext(&hEnum, &td))
break;
pInternalImport->GetMethodImplProps(td, NULL, &dwImplFlags);
// ... that are internal calls ...
if (!IsMiInternalCall(dwImplFlags))
continue;
IfFailGo(pInternalImport->GetParentToken(td, &tdClass));
NameHandle className(pModule, tdClass);
TypeHandle type;
type = pModule->GetClassLoader()->LoadTypeHandle(&className, RETURN_ON_ERROR, FALSE);
if (type.IsNull()) {
LPCUTF8 pszName = pInternalImport->GetNameOfMethodDef(tdClass);
OutputDebugStringA(pszName);
OutputDebugStringA("\n");
_ASSERTE(false);
}
MethodDesc *pMD = type.AsMethodTable()->GetClass()->FindMethod(td);;
_ASSERTE(pMD);
// ... check that the method is in the fcall table.
if (GetIDForMethod(pMD) == 0xffff) {
LPCUTF8 pszName = pInternalImport->GetNameOfMethodDef(td);
OutputDebugStringA(pszName);
OutputDebugStringA("\n");
_ASSERTE(false);
}
}
pInternalImport->EnumClose(&hEnum);
ErrExit:
_ASSERTE(SUCCEEDED(hr));
}