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-rw-r--r--src/vm/array.cpp4
-rw-r--r--src/vm/generics.cpp4
-rw-r--r--src/vm/jitinterface.cpp6
-rw-r--r--src/vm/jitinterface.h4
-rw-r--r--src/vm/methodtable.cpp15
-rw-r--r--src/vm/methodtable.h19
-rw-r--r--src/vm/methodtable.inl14
-rw-r--r--src/vm/methodtablebuilder.cpp12
8 files changed, 49 insertions, 29 deletions
diff --git a/src/vm/array.cpp b/src/vm/array.cpp
index 3f5a8aab00..3a33aff43a 100644
--- a/src/vm/array.cpp
+++ b/src/vm/array.cpp
@@ -310,7 +310,7 @@ MethodTable* Module::CreateArrayMethodTable(TypeHandle elemTypeHnd, CorElementTy
DWORD numNonVirtualSlots = numCtors + 3; // 3 for the proper rank Get, Set, Address
size_t cbMT = sizeof(MethodTable);
- cbMT += MethodTable::GetNumVtableIndirections(numVirtuals) * sizeof(PTR_PCODE);
+ cbMT += MethodTable::GetNumVtableIndirections(numVirtuals) * sizeof(MethodTable::VTableIndir_t);
// GC info
size_t cbCGCDescData = 0;
@@ -539,7 +539,7 @@ MethodTable* Module::CreateArrayMethodTable(TypeHandle elemTypeHnd, CorElementTy
if (canShareVtableChunks)
{
// Share the parent chunk
- it.SetIndirectionSlot(pParentClass->GetVtableIndirections()[it.GetIndex()]);
+ it.SetIndirectionSlot(pParentClass->GetVtableIndirections()[it.GetIndex()].GetValueMaybeNull());
}
else
{
diff --git a/src/vm/generics.cpp b/src/vm/generics.cpp
index 1a182da718..ed5313263f 100644
--- a/src/vm/generics.cpp
+++ b/src/vm/generics.cpp
@@ -255,7 +255,7 @@ ClassLoader::CreateTypeHandleForNonCanonicalGenericInstantiation(
// Bytes are required for the vtable itself
S_SIZE_T safe_cbMT = S_SIZE_T( cbGC ) + S_SIZE_T( sizeof(MethodTable) );
- safe_cbMT += MethodTable::GetNumVtableIndirections(cSlots) * sizeof(PTR_PCODE);
+ safe_cbMT += MethodTable::GetNumVtableIndirections(cSlots) * sizeof(MethodTable::VTableIndir_t);
if (safe_cbMT.IsOverflow())
{
ThrowHR(COR_E_OVERFLOW);
@@ -440,7 +440,7 @@ ClassLoader::CreateTypeHandleForNonCanonicalGenericInstantiation(
if (canShareVtableChunks)
{
// Share the canonical chunk
- it.SetIndirectionSlot(pOldMT->GetVtableIndirections()[it.GetIndex()]);
+ it.SetIndirectionSlot(pOldMT->GetVtableIndirections()[it.GetIndex()].GetValueMaybeNull());
}
else
{
diff --git a/src/vm/jitinterface.cpp b/src/vm/jitinterface.cpp
index 67e36560fd..11b1b18143 100644
--- a/src/vm/jitinterface.cpp
+++ b/src/vm/jitinterface.cpp
@@ -8586,7 +8586,8 @@ CONTRACTL {
/*********************************************************************/
void CEEInfo::getMethodVTableOffset (CORINFO_METHOD_HANDLE methodHnd,
unsigned * pOffsetOfIndirection,
- unsigned * pOffsetAfterIndirection)
+ unsigned * pOffsetAfterIndirection,
+ unsigned * isRelative)
{
CONTRACTL {
SO_TOLERANT;
@@ -8607,8 +8608,9 @@ void CEEInfo::getMethodVTableOffset (CORINFO_METHOD_HANDLE methodHnd,
// better be in the vtable
_ASSERTE(method->GetSlot() < method->GetMethodTable()->GetNumVirtuals());
- *pOffsetOfIndirection = MethodTable::GetVtableOffset() + MethodTable::GetIndexOfVtableIndirection(method->GetSlot()) * sizeof(PTR_PCODE);
+ *pOffsetOfIndirection = MethodTable::GetVtableOffset() + MethodTable::GetIndexOfVtableIndirection(method->GetSlot()) * sizeof(MethodTable::VTableIndir_t);
*pOffsetAfterIndirection = MethodTable::GetIndexAfterVtableIndirection(method->GetSlot()) * sizeof(PCODE);
+ *isRelative = MethodTable::VTableIndir_t::isRelative ? 1 : 0;
EE_TO_JIT_TRANSITION_LEAF();
}
diff --git a/src/vm/jitinterface.h b/src/vm/jitinterface.h
index e34b859c3f..cbb24e0913 100644
--- a/src/vm/jitinterface.h
+++ b/src/vm/jitinterface.h
@@ -727,8 +727,8 @@ public:
void getMethodVTableOffset (
CORINFO_METHOD_HANDLE methodHnd,
unsigned * pOffsetOfIndirection,
- unsigned * pOffsetAfterIndirection
- );
+ unsigned * pOffsetAfterIndirection,
+ unsigned * isRelative);
CORINFO_METHOD_HANDLE resolveVirtualMethod(
CORINFO_METHOD_HANDLE virtualMethod,
diff --git a/src/vm/methodtable.cpp b/src/vm/methodtable.cpp
index cf24f19239..98c13eba7c 100644
--- a/src/vm/methodtable.cpp
+++ b/src/vm/methodtable.cpp
@@ -4928,7 +4928,14 @@ void MethodTable::Fixup(DataImage *image)
VtableIndirectionSlotIterator it = IterateVtableIndirectionSlots();
while (it.Next())
{
- image->FixupPointerField(this, it.GetOffsetFromMethodTable());
+ if (VTableIndir_t::isRelative)
+ {
+ image->FixupRelativePointerField(this, it.GetOffsetFromMethodTable());
+ }
+ else
+ {
+ image->FixupPointerField(this, it.GetOffsetFromMethodTable());
+ }
}
}
@@ -4949,7 +4956,7 @@ void MethodTable::Fixup(DataImage *image)
{
// Virtual slots live in chunks pointed to by vtable indirections
- slotBase = (PVOID) GetVtableIndirections()[GetIndexOfVtableIndirection(slotNumber)];
+ slotBase = (PVOID) GetVtableIndirections()[GetIndexOfVtableIndirection(slotNumber)].GetValueMaybeNull();
slotOffset = GetIndexAfterVtableIndirection(slotNumber) * sizeof(PCODE);
}
else if (HasSingleNonVirtualSlot())
@@ -9422,13 +9429,13 @@ void MethodTable::SetSlot(UINT32 slotNumber, PCODE slotCode)
if (!IsCanonicalMethodTable())
{
- if (GetVtableIndirections()[indirectionIndex] == GetCanonicalMethodTable()->GetVtableIndirections()[indirectionIndex])
+ if (GetVtableIndirections()[indirectionIndex].GetValueMaybeNull() == GetCanonicalMethodTable()->GetVtableIndirections()[indirectionIndex].GetValueMaybeNull())
fSharedVtableChunk = TRUE;
}
if (slotNumber < GetNumParentVirtuals())
{
- if (GetVtableIndirections()[indirectionIndex] == GetParentMethodTable()->GetVtableIndirections()[indirectionIndex])
+ if (GetVtableIndirections()[indirectionIndex].GetValueMaybeNull() == GetParentMethodTable()->GetVtableIndirections()[indirectionIndex].GetValueMaybeNull())
fSharedVtableChunk = TRUE;
}
diff --git a/src/vm/methodtable.h b/src/vm/methodtable.h
index 770dda4031..77ec9f51ea 100644
--- a/src/vm/methodtable.h
+++ b/src/vm/methodtable.h
@@ -1513,7 +1513,10 @@ public:
CONSISTENCY_CHECK(slotNum < GetNumVirtuals());
// Virtual slots live in chunks pointed to by vtable indirections
- return *(GetVtableIndirections()[GetIndexOfVtableIndirection(slotNum)] + GetIndexAfterVtableIndirection(slotNum));
+
+ DWORD index = GetIndexOfVtableIndirection(slotNum);
+ TADDR base = dac_cast<TADDR>(&(GetVtableIndirections()[index]));
+ return *(VTableIndir_t::GetValueMaybeNullAtPtr(base) + GetIndexAfterVtableIndirection(slotNum));
}
PTR_PCODE GetSlotPtrRaw(UINT32 slotNum)
@@ -1525,7 +1528,9 @@ public:
if (slotNum < GetNumVirtuals())
{
// Virtual slots live in chunks pointed to by vtable indirections
- return GetVtableIndirections()[GetIndexOfVtableIndirection(slotNum)] + GetIndexAfterVtableIndirection(slotNum);
+ DWORD index = GetIndexOfVtableIndirection(slotNum);
+ TADDR base = dac_cast<TADDR>(&(GetVtableIndirections()[index]));
+ return VTableIndir_t::GetValueMaybeNullAtPtr(base) + GetIndexAfterVtableIndirection(slotNum);
}
else if (HasSingleNonVirtualSlot())
{
@@ -1609,12 +1614,18 @@ public:
#define VTABLE_SLOTS_PER_CHUNK 8
#define VTABLE_SLOTS_PER_CHUNK_LOG2 3
+#if defined(PLATFORM_UNIX) && defined(_TARGET_ARM_)
+ typedef RelativePointer<PTR_PCODE> VTableIndir_t;
+#else
+ typedef PlainPointer<PTR_PCODE> VTableIndir_t;
+#endif
+
static DWORD GetIndexOfVtableIndirection(DWORD slotNum);
static DWORD GetStartSlotForVtableIndirection(UINT32 indirectionIndex, DWORD wNumVirtuals);
static DWORD GetEndSlotForVtableIndirection(UINT32 indirectionIndex, DWORD wNumVirtuals);
static UINT32 GetIndexAfterVtableIndirection(UINT32 slotNum);
static DWORD GetNumVtableIndirections(DWORD wNumVirtuals);
- PTR_PTR_PCODE GetVtableIndirections();
+ DPTR(VTableIndir_t) GetVtableIndirections();
DWORD GetNumVtableIndirections();
class VtableIndirectionSlotIterator
@@ -1622,7 +1633,7 @@ public:
friend class MethodTable;
private:
- PTR_PTR_PCODE m_pSlot;
+ DPTR(VTableIndir_t) m_pSlot;
DWORD m_i;
DWORD m_count;
PTR_MethodTable m_pMT;
diff --git a/src/vm/methodtable.inl b/src/vm/methodtable.inl
index b69513d662..0d0acda885 100644
--- a/src/vm/methodtable.inl
+++ b/src/vm/methodtable.inl
@@ -887,10 +887,10 @@ inline DWORD MethodTable::GetNumVtableIndirections(DWORD wNumVirtuals)
}
//==========================================================================================
-inline PTR_PTR_PCODE MethodTable::GetVtableIndirections()
+inline DPTR(MethodTable::VTableIndir_t) MethodTable::GetVtableIndirections()
{
LIMITED_METHOD_DAC_CONTRACT;
- return dac_cast<PTR_PTR_PCODE>(dac_cast<TADDR>(this) + sizeof(MethodTable));
+ return dac_cast<DPTR(VTableIndir_t)>(dac_cast<TADDR>(this) + sizeof(MethodTable));
}
//==========================================================================================
@@ -952,7 +952,7 @@ inline DWORD MethodTable::VtableIndirectionSlotIterator::GetOffsetFromMethodTabl
WRAPPER_NO_CONTRACT;
PRECONDITION(m_i != (DWORD) -1 && m_i < m_count);
- return GetVtableOffset() + sizeof(PTR_PCODE) * m_i;
+ return GetVtableOffset() + sizeof(VTableIndir_t) * m_i;
}
//==========================================================================================
@@ -961,7 +961,7 @@ inline PTR_PCODE MethodTable::VtableIndirectionSlotIterator::GetIndirectionSlot(
LIMITED_METHOD_DAC_CONTRACT;
PRECONDITION(m_i != (DWORD) -1 && m_i < m_count);
- return *m_pSlot;
+ return m_pSlot->GetValueMaybeNull(dac_cast<TADDR>(m_pSlot));
}
//==========================================================================================
@@ -969,7 +969,7 @@ inline PTR_PCODE MethodTable::VtableIndirectionSlotIterator::GetIndirectionSlot(
inline void MethodTable::VtableIndirectionSlotIterator::SetIndirectionSlot(PTR_PCODE pChunk)
{
LIMITED_METHOD_CONTRACT;
- *m_pSlot = pChunk;
+ m_pSlot->SetValueMaybeNull(pChunk);
}
#endif
@@ -1355,7 +1355,7 @@ FORCEINLINE TADDR MethodTable::GetMultipurposeSlotPtr(WFLAGS2_ENUM flag, const B
DWORD offset = offsets[GetFlag((WFLAGS2_ENUM)(flag - 1))];
if (offset >= sizeof(MethodTable)) {
- offset += GetNumVtableIndirections() * sizeof(PTR_PCODE);
+ offset += GetNumVtableIndirections() * sizeof(VTableIndir_t);
}
return dac_cast<TADDR>(this) + offset;
@@ -1370,7 +1370,7 @@ FORCEINLINE DWORD MethodTable::GetOffsetOfOptionalMember(OptionalMemberId id)
DWORD offset = c_OptionalMembersStartOffsets[GetFlag(enum_flag_MultipurposeSlotsMask)];
- offset += GetNumVtableIndirections() * sizeof(PTR_PCODE);
+ offset += GetNumVtableIndirections() * sizeof(VTableIndir_t);
#undef METHODTABLE_OPTIONAL_MEMBER
#define METHODTABLE_OPTIONAL_MEMBER(NAME, TYPE, GETTER) \
diff --git a/src/vm/methodtablebuilder.cpp b/src/vm/methodtablebuilder.cpp
index d7e9818888..71248aa897 100644
--- a/src/vm/methodtablebuilder.cpp
+++ b/src/vm/methodtablebuilder.cpp
@@ -8903,7 +8903,7 @@ void MethodTableBuilder::CopyExactParentSlots(MethodTable *pMT, MethodTable *pAp
//
// Non-canonical method tables either share everything or nothing so it is sufficient to check
// just the first indirection to detect sharing.
- if (pMT->GetVtableIndirections()[0] != pCanonMT->GetVtableIndirections()[0])
+ if (pMT->GetVtableIndirections()[0].GetValueMaybeNull() != pCanonMT->GetVtableIndirections()[0].GetValueMaybeNull())
{
for (DWORD i = 0; i < nParentVirtuals; i++)
{
@@ -8930,7 +8930,7 @@ void MethodTableBuilder::CopyExactParentSlots(MethodTable *pMT, MethodTable *pAp
// We need to re-inherit this slot from the exact parent.
DWORD indirectionIndex = MethodTable::GetIndexOfVtableIndirection(i);
- if (pMT->GetVtableIndirections()[indirectionIndex] == pApproxParentMT->GetVtableIndirections()[indirectionIndex])
+ if (pMT->GetVtableIndirections()[indirectionIndex].GetValueMaybeNull() == pApproxParentMT->GetVtableIndirections()[indirectionIndex].GetValueMaybeNull())
{
// The slot lives in a chunk shared from the approximate parent MT
// If so, we need to change to share the chunk from the exact parent MT
@@ -8941,7 +8941,7 @@ void MethodTableBuilder::CopyExactParentSlots(MethodTable *pMT, MethodTable *pAp
_ASSERTE(MethodTable::CanShareVtableChunksFrom(pParentMT, pMT->GetLoaderModule()));
#endif
- pMT->GetVtableIndirections()[indirectionIndex] = pParentMT->GetVtableIndirections()[indirectionIndex];
+ pMT->GetVtableIndirections()[indirectionIndex].SetValueMaybeNull(pParentMT->GetVtableIndirections()[indirectionIndex].GetValueMaybeNull());
i = MethodTable::GetEndSlotForVtableIndirection(indirectionIndex, nParentVirtuals) - 1;
continue;
@@ -9798,7 +9798,7 @@ MethodTable * MethodTableBuilder::AllocateNewMT(Module *pLoaderModule,
S_SIZE_T cbTotalSize = S_SIZE_T(dwGCSize) + S_SIZE_T(sizeof(MethodTable));
// vtable
- cbTotalSize += MethodTable::GetNumVtableIndirections(dwVirtuals) * sizeof(PTR_PCODE);
+ cbTotalSize += MethodTable::GetNumVtableIndirections(dwVirtuals) * sizeof(MethodTable::VTableIndir_t);
DWORD dwMultipurposeSlotsMask = 0;
@@ -9947,7 +9947,7 @@ MethodTable * MethodTableBuilder::AllocateNewMT(Module *pLoaderModule,
{
// Share the parent chunk
_ASSERTE(it.GetEndSlot() <= pMTParent->GetNumVirtuals());
- it.SetIndirectionSlot(pMTParent->GetVtableIndirections()[it.GetIndex()]);
+ it.SetIndirectionSlot(pMTParent->GetVtableIndirections()[it.GetIndex()].GetValueMaybeNull());
}
else
{
@@ -10497,7 +10497,7 @@ MethodTableBuilder::SetupMethodTable2(
// with code:MethodDesc::SetStableEntryPointInterlocked.
//
DWORD indirectionIndex = MethodTable::GetIndexOfVtableIndirection(iCurSlot);
- if (GetParentMethodTable()->GetVtableIndirections()[indirectionIndex] != pMT->GetVtableIndirections()[indirectionIndex])
+ if (GetParentMethodTable()->GetVtableIndirections()[indirectionIndex].GetValueMaybeNull() != pMT->GetVtableIndirections()[indirectionIndex].GetValueMaybeNull())
pMT->SetSlot(iCurSlot, pMD->GetMethodEntryPoint());
}
else