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J9AheadOfTimeCompile.cpp
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/*******************************************************************************
* Copyright (c) 2000, 2022 IBM Corp. and others
*
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which accompanies this
* distribution and is available at https://www.eclipse.org/legal/epl-2.0/
* or the Apache License, Version 2.0 which accompanies this distribution and
* is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* This Source Code may also be made available under the following
* Secondary Licenses when the conditions for such availability set
* forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
* General Public License, version 2 with the GNU Classpath
* Exception [1] and GNU General Public License, version 2 with the
* OpenJDK Assembly Exception [2].
*
* [1] https://www.gnu.org/software/classpath/license.html
* [2] https://openjdk.org/legal/assembly-exception.html
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
*******************************************************************************/
#include "codegen/CodeGenerator.hpp"
#include "codegen/Instruction.hpp"
#include "env/SharedCache.hpp"
#include "env/jittypes.h"
#include "env/ClassLoaderTable.hpp"
#include "exceptions/PersistenceFailure.hpp"
#include "il/DataTypes.hpp"
#include "il/Node.hpp"
#include "il/Node_inlines.hpp"
#include "il/SymbolReference.hpp"
#include "il/StaticSymbol.hpp"
#include "env/VMJ9.h"
#include "codegen/AheadOfTimeCompile.hpp"
#include "runtime/RelocationRuntime.hpp"
#include "runtime/RelocationRecord.hpp"
#include "runtime/SymbolValidationManager.hpp"
#if defined(J9VM_OPT_JITSERVER)
#include "runtime/JITClientSession.hpp"
#endif /* defined(J9VM_OPT_JITSERVER) */
extern bool isOrderedPair(uint8_t reloType);
uintptr_t
J9::AheadOfTimeCompile::getClassChainOffset(TR_OpaqueClassBlock *classToRemember,
const AOTCacheClassChainRecord *&classChainRecord)
{
TR_J9VMBase *fej9 = (TR_J9VMBase *)self()->comp()->fe();
TR_SharedCache *sharedCache = fej9->sharedCache();
void *classChain = sharedCache->rememberClass(classToRemember, &classChainRecord);
if (!classChain)
self()->comp()->failCompilation<J9::ClassChainPersistenceFailure>("classChain == NULL");
return self()->offsetInSharedCacheFromPointer(sharedCache, classChain);
}
#if defined(J9VM_OPT_JITSERVER)
void
J9::AheadOfTimeCompile::addClassSerializationRecord(const AOTCacheClassChainRecord *classChainRecord,
const uintptr_t *romClassOffsetAddr)
{
const AOTCacheClassRecord *record = classChainRecord ? classChainRecord->rootClassRecord() : NULL;
self()->addSerializationRecord(record, romClassOffsetAddr);
}
void
J9::AheadOfTimeCompile::addClassSerializationRecord(TR_OpaqueClassBlock *ramClass, const uintptr_t *romClassOffsetAddr)
{
TR::Compilation *comp = self()->comp();
if (comp->isAOTCacheStore())
{
bool missingLoaderInfo = false;
const AOTCacheClassRecord *record = comp->getClientData()->getClassRecord((J9Class *)ramClass, comp->getStream(), missingLoaderInfo);
self()->addSerializationRecord(record, romClassOffsetAddr);
}
}
void
J9::AheadOfTimeCompile::addMethodSerializationRecord(J9Method *method, TR_OpaqueClassBlock *definingClass,
const uintptr_t *romMethodOffsetAddr)
{
TR::Compilation *comp = self()->comp();
if (comp->isAOTCacheStore())
{
const AOTCacheMethodRecord *record = comp->getClientData()->getMethodRecord(method, (J9Class *)definingClass,
comp->getStream());
self()->addSerializationRecord(record, romMethodOffsetAddr);
}
}
void
J9::AheadOfTimeCompile::addClassChainSerializationRecord(const AOTCacheClassChainRecord *classChainRecord,
const uintptr_t *classChainOffsetAddr)
{
self()->addSerializationRecord(classChainRecord, classChainOffsetAddr);
}
void
J9::AheadOfTimeCompile::addClassLoaderSerializationRecord(const AOTCacheClassChainRecord *classChainRecord,
const uintptr_t *loaderChainOffsetAddr)
{
const AOTCacheClassLoaderRecord *record = classChainRecord ? classChainRecord->rootClassLoaderRecord() : NULL;
self()->addSerializationRecord(record, loaderChainOffsetAddr);
}
void
J9::AheadOfTimeCompile::addWellKnownClassesSerializationRecord(const AOTCacheWellKnownClassesRecord *wkcRecord,
const uintptr_t *wkcOffsetAddr)
{
self()->addSerializationRecord(wkcRecord, wkcOffsetAddr);
}
void
J9::AheadOfTimeCompile::addSerializationRecord(const AOTCacheRecord *record, const uintptr_t *sccOffsetAddr)
{
TR::Compilation *comp = self()->comp();
if (comp->isAOTCacheStore())
{
uint8_t *start = self()->getRelocationData();
uint8_t *end = start + *(uintptr_t *)start;// Total size of relocation data is stored in the first word
TR_ASSERT_FATAL(((uint8_t *)sccOffsetAddr >= start + sizeof(uintptr_t)) && ((uint8_t *)sccOffsetAddr < end),
"SCC offset address %p not in range %p - %p", sccOffsetAddr, start + sizeof(uintptr_t), end);
#if defined(DEBUG)
if (record && TR::Options::getVerboseOption(TR_VerboseJITServer))
{
const AOTSerializationRecord *r = record->dataAddr();
TR_VerboseLog::writeLineLocked(TR_Vlog_JITServer,
"AOT cache %s: Adding record type %u ID %zu for SCC offset %zu at relo data offset %zu in method %s",
comp->getClientData()->getAOTCache()->name().c_str(), r->type(), r->id(),
*sccOffsetAddr, (uint8_t *)sccOffsetAddr - start, comp->signature()
);
}
#endif /* defined(DEBUG) */
comp->addSerializationRecord(record, (uint8_t *)sccOffsetAddr - start);
}
}
#endif /* defined(J9VM_OPT_JITSERVER) */
uintptr_t
J9::AheadOfTimeCompile::offsetInSharedCacheFromPointer(TR_SharedCache *sharedCache, void *ptr)
{
uintptr_t offset = 0;
if (sharedCache->isPointerInSharedCache(ptr, &offset))
return offset;
else
self()->comp()->failCompilation<J9::ClassChainPersistenceFailure>("Failed to find pointer %p in SCC", ptr);
return offset;
}
uintptr_t
J9::AheadOfTimeCompile::offsetInSharedCacheFromROMClass(TR_SharedCache *sharedCache, J9ROMClass *romClass)
{
uintptr_t offset = 0;
if (sharedCache->isROMClassInSharedCache(romClass, &offset))
return offset;
else
self()->comp()->failCompilation<J9::ClassChainPersistenceFailure>("Failed to find romClass %p in SCC", romClass);
return offset;
}
uintptr_t
J9::AheadOfTimeCompile::offsetInSharedCacheFromROMMethod(TR_SharedCache *sharedCache, J9ROMMethod *romMethod)
{
uintptr_t offset = 0;
if (sharedCache->isROMMethodInSharedCache(romMethod, &offset))
return offset;
else
self()->comp()->failCompilation<J9::ClassChainPersistenceFailure>("Failed to find romMethod %p in SCC", romMethod);
return offset;
}
uintptr_t
J9::AheadOfTimeCompile::findCorrectInlinedSiteIndex(void *constantPool, uintptr_t currentInlinedSiteIndex)
{
TR::Compilation *comp = self()->comp();
uintptr_t constantPoolForSiteIndex = 0;
uintptr_t inlinedSiteIndex = currentInlinedSiteIndex;
if (inlinedSiteIndex == (uintptr_t)-1)
{
constantPoolForSiteIndex = (uintptr_t)comp->getCurrentMethod()->constantPool();
}
else
{
constantPoolForSiteIndex = (uintptr_t)comp->getInlinedResolvedMethod(inlinedSiteIndex)->constantPool();
}
bool matchFound = false;
if ((uintptr_t)constantPool == constantPoolForSiteIndex)
{
// The constant pool and site index match, no need to find anything.
matchFound = true;
}
else
{
if ((uintptr_t)constantPool == (uintptr_t)comp->getCurrentMethod()->constantPool())
{
// The constant pool belongs to the current method being compiled, the correct site index is -1.
matchFound = true;
inlinedSiteIndex = (uintptr_t)-1;
}
else
{
// Look for the first call site whose inlined method's constant pool matches ours and return that site index as the correct one.
for (uintptr_t i = 0; i < comp->getNumInlinedCallSites(); i++)
{
if ((uintptr_t)constantPool == (uintptr_t)comp->getInlinedResolvedMethod(i)->constantPool())
{
matchFound = true;
inlinedSiteIndex = i;
break;
}
}
}
}
if (!matchFound)
self()->comp()->failCompilation<J9::AOTRelocationRecordGenerationFailure>("AOT header initialization can't find CP in inlined site list");
return inlinedSiteIndex;
}
static const char* getNameForMethodRelocation (int type)
{
switch ( type )
{
case TR_JNISpecialTargetAddress:
return "TR_JNISpecialTargetAddress";
case TR_JNIVirtualTargetAddress:
return "TR_JNIVirtualTargetAddress";
case TR_JNIStaticTargetAddress:
return "TR_JNIStaticTargetAddress";
case TR_StaticRamMethodConst:
return "TR_StaticRamMethodConst";
case TR_SpecialRamMethodConst:
return "TR_SpecialRamMethodConst";
case TR_VirtualRamMethodConst:
return "TR_VirtualRamMethodConst";
case TR_ClassAddress:
return "TR_ClassAddress";
case TR_StaticDefaultValueInstance:
return "TR_StaticDefaultValueInstance";
default:
TR_ASSERT(0, "We already cleared one switch, hard to imagine why we would have a different type here");
break;
}
return NULL;
}
uint8_t *
J9::AheadOfTimeCompile::initializeAOTRelocationHeader(TR::IteratedExternalRelocation *relocation)
{
TR::Compilation *comp = self()->comp();
TR_RelocationRuntime *reloRuntime = comp->reloRuntime();
TR_RelocationTarget *reloTarget = reloRuntime->reloTarget();
uint8_t *cursor = relocation->getRelocationData();
uint8_t targetKind = relocation->getTargetKind();
uint16_t sizeOfReloData = relocation->getSizeOfRelocationData();
uint8_t wideOffsets = relocation->needsWideOffsets() ? RELOCATION_TYPE_WIDE_OFFSET : 0;
// Zero-initialize header
memset(cursor, 0, sizeOfReloData);
TR_RelocationRecord storage;
TR_RelocationRecord *reloRecord = TR_RelocationRecord::create(&storage, reloRuntime, targetKind, reinterpret_cast<TR_RelocationRecordBinaryTemplate *>(cursor));
reloRecord->setSize(reloTarget, sizeOfReloData);
reloRecord->setType(reloTarget, static_cast<TR_RelocationRecordType>(targetKind));
reloRecord->setFlag(reloTarget, wideOffsets);
if (!self()->initializePlatformSpecificAOTRelocationHeader(relocation, reloTarget, reloRecord, targetKind))
self()->initializeCommonAOTRelocationHeader(relocation, reloTarget, reloRecord, targetKind);
cursor += self()->getSizeOfAOTRelocationHeader(static_cast<TR_RelocationRecordType>(targetKind));
return cursor;
}
void
J9::AheadOfTimeCompile::initializeCommonAOTRelocationHeader(TR::IteratedExternalRelocation *relocation,
TR_RelocationTarget *reloTarget,
TR_RelocationRecord *reloRecord,
uint8_t kind)
{
TR::Compilation *comp = self()->comp();
TR::SymbolValidationManager *symValManager = comp->getSymbolValidationManager();
TR_J9VMBase *fej9 = comp->fej9();
TR_SharedCache *sharedCache = fej9->sharedCache();
uint8_t * aotMethodCodeStart = reinterpret_cast<uint8_t *>(comp->getRelocatableMethodCodeStart());
switch (kind)
{
case TR_ConstantPool:
case TR_Thunks:
case TR_Trampolines:
{
TR_RelocationRecordConstantPool * cpRecord = reinterpret_cast<TR_RelocationRecordConstantPool *>(reloRecord);
cpRecord->setConstantPool(reloTarget, reinterpret_cast<uintptr_t>(relocation->getTargetAddress()));
cpRecord->setInlinedSiteIndex(reloTarget, reinterpret_cast<uintptr_t>(relocation->getTargetAddress2()));
}
break;
case TR_HelperAddress:
{
TR_RelocationRecordHelperAddress *haRecord = reinterpret_cast<TR_RelocationRecordHelperAddress *>(reloRecord);
TR::SymbolReference *symRef = reinterpret_cast<TR::SymbolReference *>(relocation->getTargetAddress());
haRecord->setEipRelative(reloTarget);
haRecord->setHelperID(reloTarget, static_cast<uint32_t>(symRef->getReferenceNumber()));
}
break;
case TR_RelativeMethodAddress:
{
TR_RelocationRecordMethodAddress *rmaRecord = reinterpret_cast<TR_RelocationRecordMethodAddress *>(reloRecord);
rmaRecord->setEipRelative(reloTarget);
}
break;
case TR_AbsoluteMethodAddress:
case TR_BodyInfoAddress:
case TR_RamMethod:
case TR_ClassUnloadAssumption:
case TR_AbsoluteMethodAddressOrderedPair:
case TR_ArrayCopyHelper:
case TR_ArrayCopyToc:
case TR_BodyInfoAddressLoad:
case TR_RecompQueuedFlag:
{
// Nothing to do
}
break;
case TR_MethodCallAddress:
{
TR_RelocationRecordMethodCallAddress *mcaRecord = reinterpret_cast<TR_RelocationRecordMethodCallAddress *>(reloRecord);
mcaRecord->setEipRelative(reloTarget);
mcaRecord->setAddress(reloTarget, relocation->getTargetAddress());
}
break;
case TR_AbsoluteHelperAddress:
{
TR_RelocationRecordAbsoluteHelperAddress *ahaRecord = reinterpret_cast<TR_RelocationRecordAbsoluteHelperAddress *>(reloRecord);
TR::SymbolReference *symRef = reinterpret_cast<TR::SymbolReference *>(relocation->getTargetAddress());
ahaRecord->setHelperID(reloTarget, static_cast<uint32_t>(symRef->getReferenceNumber()));
}
break;
case TR_JNIVirtualTargetAddress:
case TR_JNIStaticTargetAddress:
case TR_JNISpecialTargetAddress:
{
TR_RelocationRecordDirectJNICall *djnicRecord = reinterpret_cast<TR_RelocationRecordDirectJNICall *>(reloRecord);
TR_RelocationRecordInformation *recordInfo = reinterpret_cast<TR_RelocationRecordInformation*>(relocation->getTargetAddress());
uintptr_t offsetToReloLocation = recordInfo->data1;
TR_ASSERT_FATAL((offsetToReloLocation & ~0xFF) == 0,
"offsetToReloLocation %" OMR_PRIuPTR " cannot fit in a uint8_t",
offsetToReloLocation);
TR::SymbolReference *symRef = reinterpret_cast<TR::SymbolReference *>(recordInfo->data2);
uintptr_t inlinedSiteIndex = recordInfo->data3;
void *constantPool = symRef->getOwningMethod(comp)->constantPool();
inlinedSiteIndex = self()->findCorrectInlinedSiteIndex(constantPool, inlinedSiteIndex);
djnicRecord->setInlinedSiteIndex(reloTarget, inlinedSiteIndex);
djnicRecord->setConstantPool(reloTarget, reinterpret_cast<uintptr_t>(constantPool));
djnicRecord->setCpIndex(reloTarget, symRef->getCPIndex());
djnicRecord->setOffsetToReloLocation(reloTarget, static_cast<uint8_t>(offsetToReloLocation));
}
break;
case TR_StaticRamMethodConst:
case TR_SpecialRamMethodConst:
case TR_VirtualRamMethodConst:
case TR_StaticDefaultValueInstance:
case TR_ClassAddress:
{
TR_RelocationRecordConstantPoolWithIndex *cpiRecord = reinterpret_cast<TR_RelocationRecordConstantPoolWithIndex *>(reloRecord);
TR::SymbolReference *symRef = reinterpret_cast<TR::SymbolReference *>(relocation->getTargetAddress());
uintptr_t inlinedSiteIndex = reinterpret_cast<uintptr_t>(relocation->getTargetAddress2());
void *constantPool = symRef->getOwningMethod(comp)->constantPool();
inlinedSiteIndex = self()->findCorrectInlinedSiteIndex(constantPool, inlinedSiteIndex);
cpiRecord->setInlinedSiteIndex(reloTarget, inlinedSiteIndex);
cpiRecord->setConstantPool(reloTarget, reinterpret_cast<uintptr_t>(constantPool));
cpiRecord->setCpIndex(reloTarget, symRef->getCPIndex());
}
break;
case TR_CheckMethodEnter:
case TR_CheckMethodExit:
{
TR_RelocationRecordMethodTracingCheck *mtRecord = reinterpret_cast<TR_RelocationRecordMethodTracingCheck *>(reloRecord);
mtRecord->setDestinationAddress(reloTarget, reinterpret_cast<uintptr_t>(relocation->getTargetAddress()));
}
break;
case TR_VerifyClassObjectForAlloc:
{
TR_RelocationRecordVerifyClassObjectForAlloc *allocRecord = reinterpret_cast<TR_RelocationRecordVerifyClassObjectForAlloc *>(reloRecord);
TR::SymbolReference * classSymRef = reinterpret_cast<TR::SymbolReference *>(relocation->getTargetAddress());
TR_RelocationRecordInformation *recordInfo = reinterpret_cast<TR_RelocationRecordInformation*>(relocation->getTargetAddress2());
TR::LabelSymbol *label = reinterpret_cast<TR::LabelSymbol *>(recordInfo->data3);
TR::Instruction *instr = reinterpret_cast<TR::Instruction *>(recordInfo->data4);
uint32_t branchOffset = static_cast<uint32_t>(label->getCodeLocation() - instr->getBinaryEncoding());
allocRecord->setInlinedSiteIndex(reloTarget, static_cast<uintptr_t>(recordInfo->data2));
allocRecord->setConstantPool(reloTarget, reinterpret_cast<uintptr_t>(classSymRef->getOwningMethod(comp)->constantPool()));
allocRecord->setBranchOffset(reloTarget, static_cast<uintptr_t>(branchOffset));
allocRecord->setAllocationSize(reloTarget, static_cast<uintptr_t>(recordInfo->data1));
/* Temporary, will be cleaned up in a future PR */
if (comp->getOption(TR_UseSymbolValidationManager))
{
TR_OpaqueClassBlock *classOfMethod = reinterpret_cast<TR_OpaqueClassBlock *>(recordInfo->data5);
uint16_t classID = symValManager->getSymbolIDFromValue(static_cast<void *>(classOfMethod));
allocRecord->setCpIndex(reloTarget, static_cast<uintptr_t>(classID));
}
else
{
allocRecord->setCpIndex(reloTarget, static_cast<uintptr_t>(classSymRef->getCPIndex()));
}
}
break;
case TR_VerifyRefArrayForAlloc:
{
TR_RelocationRecordVerifyRefArrayForAlloc *allocRecord = reinterpret_cast<TR_RelocationRecordVerifyRefArrayForAlloc *>(reloRecord);
TR::SymbolReference * classSymRef = reinterpret_cast<TR::SymbolReference *>(relocation->getTargetAddress());
TR_RelocationRecordInformation *recordInfo = reinterpret_cast<TR_RelocationRecordInformation*>(relocation->getTargetAddress2());
TR::LabelSymbol *label = reinterpret_cast<TR::LabelSymbol *>(recordInfo->data3);
TR::Instruction *instr = reinterpret_cast<TR::Instruction *>(recordInfo->data4);
uint32_t branchOffset = static_cast<uint32_t>(label->getCodeLocation() - instr->getBinaryEncoding());
allocRecord->setInlinedSiteIndex(reloTarget, static_cast<uintptr_t>(recordInfo->data2));
allocRecord->setConstantPool(reloTarget, reinterpret_cast<uintptr_t>(classSymRef->getOwningMethod(comp)->constantPool()));
allocRecord->setBranchOffset(reloTarget, static_cast<uintptr_t>(branchOffset));
/* Temporary, will be cleaned up in a future PR */
if (comp->getOption(TR_UseSymbolValidationManager))
{
TR_OpaqueClassBlock *classOfMethod = reinterpret_cast<TR_OpaqueClassBlock *>(recordInfo->data5);
uint16_t classID = symValManager->getSymbolIDFromValue(static_cast<void *>(classOfMethod));
allocRecord->setCpIndex(reloTarget, static_cast<uintptr_t>(classID));
}
else
{
allocRecord->setCpIndex(reloTarget, static_cast<uintptr_t>(classSymRef->getCPIndex()));
}
}
break;
case TR_ValidateInstanceField:
{
TR_RelocationRecordValidateInstanceField *fieldRecord = reinterpret_cast<TR_RelocationRecordValidateInstanceField *>(reloRecord);
uintptr_t inlinedSiteIndex = reinterpret_cast<uintptr_t>(relocation->getTargetAddress());
TR::AOTClassInfo *aotCI = reinterpret_cast<TR::AOTClassInfo *>(relocation->getTargetAddress2());
uintptr_t classChainOffsetInSharedCache = self()->offsetInSharedCacheFromPointer(sharedCache, aotCI->_classChain);
fieldRecord->setInlinedSiteIndex(reloTarget, inlinedSiteIndex);
fieldRecord->setConstantPool(reloTarget, reinterpret_cast<uintptr_t>(aotCI->_constantPool));
fieldRecord->setCpIndex(reloTarget, static_cast<uintptr_t>(aotCI->_cpIndex));
fieldRecord->setClassChainOffsetInSharedCache(reloTarget, classChainOffsetInSharedCache,
self(), aotCI->getAOTCacheClassChainRecord());
}
break;
case TR_InlinedStaticMethodWithNopGuard:
case TR_InlinedSpecialMethodWithNopGuard:
case TR_InlinedVirtualMethodWithNopGuard:
case TR_InlinedInterfaceMethodWithNopGuard:
case TR_InlinedAbstractMethodWithNopGuard:
case TR_InlinedInterfaceMethod:
case TR_InlinedVirtualMethod:
case TR_InlinedStaticMethod:
case TR_InlinedSpecialMethod:
case TR_InlinedAbstractMethod:
{
TR_RelocationRecordInlinedMethod *imRecord = reinterpret_cast<TR_RelocationRecordInlinedMethod *>(reloRecord);
TR_RelocationRecordInformation *info = reinterpret_cast<TR_RelocationRecordInformation *>(relocation->getTargetAddress());
int32_t inlinedSiteIndex = static_cast<int32_t>(info->data1);
TR::SymbolReference *callSymRef = reinterpret_cast<TR::SymbolReference *>(info->data2);
TR_OpaqueClassBlock *thisClass = reinterpret_cast<TR_OpaqueClassBlock *>(info->data3);
uintptr_t destinationAddress = info->data4;
uint8_t flags = 0;
// Setup flags field with type of method that needs to be validated at relocation time
if (callSymRef->getSymbol()->getMethodSymbol()->isStatic())
flags = inlinedMethodIsStatic;
else if (callSymRef->getSymbol()->getMethodSymbol()->isSpecial())
flags = inlinedMethodIsSpecial;
else if (callSymRef->getSymbol()->getMethodSymbol()->isVirtual())
flags = inlinedMethodIsVirtual;
TR_ASSERT((flags & RELOCATION_CROSS_PLATFORM_FLAGS_MASK) == 0, "reloFlags bits overlap cross-platform flags bits\n");
TR_ResolvedMethod *resolvedMethod;
if (kind == TR_InlinedInterfaceMethodWithNopGuard ||
kind == TR_InlinedInterfaceMethod ||
kind == TR_InlinedAbstractMethodWithNopGuard ||
kind == TR_InlinedAbstractMethod)
{
resolvedMethod = comp->getInlinedResolvedMethod(inlinedSiteIndex);
}
else
{
resolvedMethod = callSymRef->getSymbol()->getResolvedMethodSymbol()->getResolvedMethod();
}
// Ugly; this will be cleaned up in a future PR
uintptr_t cpIndexOrData = 0;
if (comp->getOption(TR_UseSymbolValidationManager))
{
TR_OpaqueMethodBlock *method = resolvedMethod->getPersistentIdentifier();
uint16_t methodID = symValManager->getSymbolIDFromValue(static_cast<void *>(method));
uint16_t receiverClassID = symValManager->getSymbolIDFromValue(static_cast<void *>(thisClass));
cpIndexOrData = (((uintptr_t)receiverClassID << 16) | (uintptr_t)methodID);
}
else
{
cpIndexOrData = static_cast<uintptr_t>(callSymRef->getCPIndex());
}
TR_OpaqueClassBlock *inlinedMethodClass = resolvedMethod->containingClass();
J9ROMClass *romClass = reinterpret_cast<J9ROMClass *>(fej9->getPersistentClassPointerFromClassPointer(inlinedMethodClass));
uintptr_t romClassOffsetInSharedCache = self()->offsetInSharedCacheFromROMClass(sharedCache, romClass);
imRecord->setReloFlags(reloTarget, flags);
imRecord->setInlinedSiteIndex(reloTarget, inlinedSiteIndex);
imRecord->setConstantPool(reloTarget, reinterpret_cast<uintptr_t>(callSymRef->getOwningMethod(comp)->constantPool()));
imRecord->setCpIndex(reloTarget, cpIndexOrData);
imRecord->setRomClassOffsetInSharedCache(reloTarget, romClassOffsetInSharedCache, self(), inlinedMethodClass);
if (kind != TR_InlinedInterfaceMethod
&& kind != TR_InlinedVirtualMethod
&& kind != TR_InlinedSpecialMethod
&& kind != TR_InlinedStaticMethod
&& kind != TR_InlinedAbstractMethod)
{
reinterpret_cast<TR_RelocationRecordNopGuard *>(imRecord)->setDestinationAddress(reloTarget, destinationAddress);
}
}
break;
case TR_ValidateStaticField:
{
TR_RelocationRecordValidateStaticField *vsfRecord = reinterpret_cast<TR_RelocationRecordValidateStaticField *>(reloRecord);
uintptr_t inlinedSiteIndex = reinterpret_cast<uintptr_t>(relocation->getTargetAddress());
TR::AOTClassInfo *aotCI = reinterpret_cast<TR::AOTClassInfo *>(relocation->getTargetAddress2());
J9ROMClass *romClass = reinterpret_cast<J9ROMClass *>(fej9->getPersistentClassPointerFromClassPointer(aotCI->_clazz));
uintptr_t romClassOffsetInSharedCache = self()->offsetInSharedCacheFromROMClass(sharedCache, romClass);
vsfRecord->setInlinedSiteIndex(reloTarget, inlinedSiteIndex);
vsfRecord->setConstantPool(reloTarget, reinterpret_cast<uintptr_t>(aotCI->_constantPool));
vsfRecord->setCpIndex(reloTarget, aotCI->_cpIndex);
vsfRecord->setRomClassOffsetInSharedCache(reloTarget, romClassOffsetInSharedCache,
self(), aotCI->getAOTCacheClassChainRecord());
}
break;
case TR_ValidateClass:
{
TR_RelocationRecordValidateClass *vcRecord = reinterpret_cast<TR_RelocationRecordValidateClass *>(reloRecord);
uintptr_t inlinedSiteIndex = reinterpret_cast<uintptr_t>(relocation->getTargetAddress());
TR::AOTClassInfo *aotCI = reinterpret_cast<TR::AOTClassInfo *>(relocation->getTargetAddress2());
uintptr_t classChainOffsetInSharedCache = self()->offsetInSharedCacheFromPointer(sharedCache, aotCI->_classChain);
vcRecord->setInlinedSiteIndex(reloTarget, inlinedSiteIndex);
vcRecord->setConstantPool(reloTarget, reinterpret_cast<uintptr_t>(aotCI->_constantPool));
vcRecord->setCpIndex(reloTarget, aotCI->_cpIndex);
vcRecord->setClassChainOffsetInSharedCache(reloTarget, classChainOffsetInSharedCache,
self(), aotCI->getAOTCacheClassChainRecord());
}
break;
case TR_ProfiledMethodGuardRelocation:
case TR_ProfiledClassGuardRelocation:
case TR_ProfiledInlinedMethodRelocation:
{
TR_RelocationRecordProfiledInlinedMethod *pRecord = reinterpret_cast<TR_RelocationRecordProfiledInlinedMethod *>(reloRecord);
TR_RelocationRecordInformation *info = reinterpret_cast<TR_RelocationRecordInformation *>(relocation->getTargetAddress());
int32_t inlinedSiteIndex = static_cast<int32_t>(info->data1);
TR::SymbolReference *callSymRef = reinterpret_cast<TR::SymbolReference *>(info->data2);
TR_ResolvedMethod *owningMethod = callSymRef->getOwningMethod(comp);
TR_ResolvedMethod *inlinedMethod = comp->getInlinedResolvedMethod(inlinedSiteIndex);
TR_OpaqueClassBlock *inlinedCodeClass = reinterpret_cast<TR_OpaqueClassBlock *>(inlinedMethod->classOfMethod());
J9ROMClass *romClass = reinterpret_cast<J9ROMClass *>(fej9->getPersistentClassPointerFromClassPointer(inlinedCodeClass));
uintptr_t romClassOffsetInSharedCache = self()->offsetInSharedCacheFromROMClass(sharedCache, romClass);
traceMsg(comp, "class is %p, romclass is %p, offset is %llu\n", inlinedCodeClass, romClass, romClassOffsetInSharedCache);
uintptr_t classChainIdentifyingLoaderOffsetInSharedCache = sharedCache->getClassChainOffsetIdentifyingLoader(inlinedCodeClass);
const AOTCacheClassChainRecord *classChainRecord = NULL;
uintptr_t classChainOffsetInSharedCache = self()->getClassChainOffset(inlinedCodeClass, classChainRecord);
uintptr_t methodIndex = fej9->getMethodIndexInClass(inlinedCodeClass, inlinedMethod->getNonPersistentIdentifier());
// Ugly; this will be cleaned up in a future PR
uintptr_t cpIndexOrData = 0;
if (comp->getOption(TR_UseSymbolValidationManager))
{
uint16_t inlinedCodeClassID = symValManager->getSymbolIDFromValue(static_cast<void *>(inlinedCodeClass));
cpIndexOrData = static_cast<uintptr_t>(inlinedCodeClassID);
}
else
{
cpIndexOrData = static_cast<uintptr_t>(callSymRef->getCPIndex());
}
pRecord->setInlinedSiteIndex(reloTarget, inlinedSiteIndex);
pRecord->setConstantPool(reloTarget, reinterpret_cast<uintptr_t>(owningMethod->constantPool()));
pRecord->setCpIndex(reloTarget, cpIndexOrData);
pRecord->setRomClassOffsetInSharedCache(reloTarget, romClassOffsetInSharedCache, self(), classChainRecord);
pRecord->setClassChainIdentifyingLoaderOffsetInSharedCache(reloTarget, classChainIdentifyingLoaderOffsetInSharedCache,
self(), classChainRecord);
pRecord->setClassChainForInlinedMethod(reloTarget, classChainOffsetInSharedCache, self(), classChainRecord);
pRecord->setMethodIndex(reloTarget, methodIndex);
}
break;
case TR_MethodPointer:
{
TR_RelocationRecordMethodPointer *mpRecord = reinterpret_cast<TR_RelocationRecordMethodPointer *>(reloRecord);
TR::Node *aconstNode = reinterpret_cast<TR::Node *>(relocation->getTargetAddress());
uintptr_t inlinedSiteIndex = static_cast<uintptr_t>(aconstNode->getInlinedSiteIndex());
TR_OpaqueMethodBlock *j9method = reinterpret_cast<TR_OpaqueMethodBlock *>(aconstNode->getAddress());
if (aconstNode->getOpCodeValue() == TR::loadaddr)
j9method = reinterpret_cast<TR_OpaqueMethodBlock *>(aconstNode->getSymbolReference()->getSymbol()->castToStaticSymbol()->getStaticAddress());
TR_OpaqueClassBlock *j9class = fej9->getClassFromMethodBlock(j9method);
uintptr_t classChainOffsetOfCLInSharedCache = sharedCache->getClassChainOffsetIdentifyingLoader(j9class);
const AOTCacheClassChainRecord *classChainRecord = NULL;
uintptr_t classChainForInlinedMethodOffsetInSharedCache = self()->getClassChainOffset(j9class, classChainRecord);
uintptr_t vTableOffset = static_cast<uintptr_t>(fej9->getInterpreterVTableSlot(j9method, j9class));
mpRecord->setInlinedSiteIndex(reloTarget, inlinedSiteIndex);
mpRecord->setClassChainForInlinedMethod(reloTarget, classChainForInlinedMethodOffsetInSharedCache,
self(), classChainRecord);
mpRecord->setClassChainIdentifyingLoaderOffsetInSharedCache(reloTarget, classChainOffsetOfCLInSharedCache,
self(), classChainRecord);
mpRecord->setVTableSlot(reloTarget, vTableOffset);
}
break;
case TR_InlinedMethodPointer:
{
TR_RelocationRecordInlinedMethodPointer *impRecord = reinterpret_cast<TR_RelocationRecordInlinedMethodPointer *>(reloRecord);
impRecord->setInlinedSiteIndex(reloTarget, reinterpret_cast<uintptr_t>(relocation->getTargetAddress()));
}
break;
case TR_ClassPointer:
{
TR_RelocationRecordClassPointer *cpRecord = reinterpret_cast<TR_RelocationRecordClassPointer *>(reloRecord);
TR::Node *aconstNode = reinterpret_cast<TR::Node *>(relocation->getTargetAddress());
uintptr_t inlinedSiteIndex = static_cast<uintptr_t>(aconstNode->getInlinedSiteIndex());
TR_OpaqueClassBlock *j9class = NULL;
if (relocation->getTargetAddress2())
{
j9class = reinterpret_cast<TR_OpaqueClassBlock *>(relocation->getTargetAddress2());
}
else
{
if (aconstNode->getOpCodeValue() == TR::loadaddr)
j9class = reinterpret_cast<TR_OpaqueClassBlock *>(aconstNode->getSymbolReference()->getSymbol()->castToStaticSymbol()->getStaticAddress());
else
j9class = reinterpret_cast<TR_OpaqueClassBlock *>(aconstNode->getAddress());
}
uintptr_t classChainOffsetOfCLInSharedCache = sharedCache->getClassChainOffsetIdentifyingLoader(j9class);
const AOTCacheClassChainRecord *classChainRecord = NULL;
uintptr_t classChainForInlinedMethodOffsetInSharedCache = self()->getClassChainOffset(j9class, classChainRecord);
cpRecord->setInlinedSiteIndex(reloTarget, inlinedSiteIndex);
cpRecord->setClassChainForInlinedMethod(reloTarget, classChainForInlinedMethodOffsetInSharedCache,
self(), classChainRecord);
cpRecord->setClassChainIdentifyingLoaderOffsetInSharedCache(reloTarget, classChainOffsetOfCLInSharedCache,
self(), classChainRecord);
}
break;
case TR_ValidateArbitraryClass:
{
TR_RelocationRecordValidateArbitraryClass *vacRecord = reinterpret_cast<TR_RelocationRecordValidateArbitraryClass *>(reloRecord);
TR::AOTClassInfo *aotCI = reinterpret_cast<TR::AOTClassInfo *>(relocation->getTargetAddress2());
TR_OpaqueClassBlock *classToValidate = aotCI->_clazz;
uintptr_t classChainOffsetInSharedCacheForCL = sharedCache->getClassChainOffsetIdentifyingLoader(classToValidate);
void *classChainForClassToValidate = aotCI->_classChain;
uintptr_t classChainOffsetInSharedCache = self()->offsetInSharedCacheFromPointer(sharedCache, classChainForClassToValidate);
vacRecord->setClassChainIdentifyingLoaderOffset(reloTarget, classChainOffsetInSharedCacheForCL,
self(), aotCI->getAOTCacheClassChainRecord());
vacRecord->setClassChainOffsetForClassBeingValidated(reloTarget, classChainOffsetInSharedCache,
self(), aotCI->getAOTCacheClassChainRecord());
}
break;
case TR_J2IVirtualThunkPointer:
{
TR_RelocationRecordJ2IVirtualThunkPointer *vtpRecord = reinterpret_cast<TR_RelocationRecordJ2IVirtualThunkPointer *>(reloRecord);
TR_RelocationRecordInformation *info = reinterpret_cast<TR_RelocationRecordInformation*>(relocation->getTargetAddress());
vtpRecord->setConstantPool(reloTarget, info->data1);
vtpRecord->setInlinedSiteIndex(reloTarget, info->data2);
vtpRecord->setOffsetToJ2IVirtualThunkPointer(reloTarget, info->data3);
}
break;
case TR_ValidateClassByName:
{
TR_RelocationRecordValidateClassByName *cbnRecord = reinterpret_cast<TR_RelocationRecordValidateClassByName *>(reloRecord);
TR::ClassByNameRecord *svmRecord = reinterpret_cast<TR::ClassByNameRecord *>(relocation->getTargetAddress());
uintptr_t classChainOffsetInSharedCache = self()->offsetInSharedCacheFromPointer(sharedCache, svmRecord->_classChain);
cbnRecord->setClassID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_class));
cbnRecord->setBeholderID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_beholder));
cbnRecord->setClassChainOffset(reloTarget, classChainOffsetInSharedCache,
self(), svmRecord->getAOTCacheClassChainRecord());
}
break;
case TR_ValidateProfiledClass:
{
TR_RelocationRecordValidateProfiledClass *pcRecord = reinterpret_cast<TR_RelocationRecordValidateProfiledClass *>(reloRecord);
TR::ProfiledClassRecord *svmRecord = reinterpret_cast<TR::ProfiledClassRecord *>(relocation->getTargetAddress());
TR_OpaqueClassBlock *classToValidate = svmRecord->_class;
void *classChainForClassToValidate = svmRecord->_classChain;
//store the classchain's offset for the classloader for the class
uintptr_t classChainOffsetInSharedCacheForCL = sharedCache->getClassChainOffsetIdentifyingLoader(classToValidate);
//store the classchain's offset for the class that needs to be validated in the second run
uintptr_t classChainOffsetInSharedCache = self()->offsetInSharedCacheFromPointer(sharedCache, classChainForClassToValidate);
pcRecord->setClassID(reloTarget, symValManager->getSymbolIDFromValue(classToValidate));
pcRecord->setClassChainOffset(reloTarget, classChainOffsetInSharedCache,
self(), svmRecord->getAOTCacheClassChainRecord());
pcRecord->setClassChainOffsetForClassLoader(reloTarget, classChainOffsetInSharedCacheForCL,
self(), svmRecord->getAOTCacheClassChainRecord());
}
break;
case TR_ValidateClassFromCP:
{
TR_RelocationRecordValidateClassFromCP *cpRecord = reinterpret_cast<TR_RelocationRecordValidateClassFromCP *>(reloRecord);
TR::ClassFromCPRecord *svmRecord = reinterpret_cast<TR::ClassFromCPRecord *>(relocation->getTargetAddress());
cpRecord->setClassID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_class));
cpRecord->setBeholderID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_beholder));
cpRecord->setCpIndex(reloTarget, svmRecord->_cpIndex);
}
break;
case TR_ValidateDefiningClassFromCP:
{
TR_RelocationRecordValidateDefiningClassFromCP *dcpRecord = reinterpret_cast<TR_RelocationRecordValidateDefiningClassFromCP *>(reloRecord);
TR::DefiningClassFromCPRecord *svmRecord = reinterpret_cast<TR::DefiningClassFromCPRecord *>(relocation->getTargetAddress());
dcpRecord->setIsStatic(reloTarget, svmRecord->_isStatic);
dcpRecord->setClassID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_class));
dcpRecord->setBeholderID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_beholder));
dcpRecord->setCpIndex(reloTarget, svmRecord->_cpIndex);
}
break;
case TR_ValidateStaticClassFromCP:
{
TR_RelocationRecordValidateStaticClassFromCP *scpRecord = reinterpret_cast<TR_RelocationRecordValidateStaticClassFromCP *>(reloRecord);
TR::StaticClassFromCPRecord *svmRecord = reinterpret_cast<TR::StaticClassFromCPRecord *>(relocation->getTargetAddress());
scpRecord->setClassID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_class));
scpRecord->setBeholderID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_beholder));
scpRecord->setCpIndex(reloTarget, svmRecord->_cpIndex);
}
break;
case TR_ValidateArrayClassFromComponentClass:
{
TR_RelocationRecordValidateArrayClassFromComponentClass *acRecord = reinterpret_cast<TR_RelocationRecordValidateArrayClassFromComponentClass *>(reloRecord);
TR::ArrayClassFromComponentClassRecord *svmRecord = reinterpret_cast<TR::ArrayClassFromComponentClassRecord *>(relocation->getTargetAddress());
acRecord->setArrayClassID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_arrayClass));
acRecord->setComponentClassID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_componentClass));
}
break;
case TR_ValidateSuperClassFromClass:
{
TR_RelocationRecordValidateSuperClassFromClass *scRecord = reinterpret_cast<TR_RelocationRecordValidateSuperClassFromClass *>(reloRecord);
TR::SuperClassFromClassRecord *svmRecord = reinterpret_cast<TR::SuperClassFromClassRecord *>(relocation->getTargetAddress());
scRecord->setSuperClassID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_superClass));
scRecord->setChildClassID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_childClass));
}
break;
case TR_ValidateClassInstanceOfClass:
{
TR_RelocationRecordValidateClassInstanceOfClass *cicRecord = reinterpret_cast<TR_RelocationRecordValidateClassInstanceOfClass *>(reloRecord);
TR::ClassInstanceOfClassRecord *svmRecord = reinterpret_cast<TR::ClassInstanceOfClassRecord *>(relocation->getTargetAddress());
cicRecord->setObjectTypeIsFixed(reloTarget, svmRecord->_objectTypeIsFixed);
cicRecord->setCastTypeIsFixed(reloTarget, svmRecord->_castTypeIsFixed);
cicRecord->setIsInstanceOf(reloTarget, svmRecord->_isInstanceOf);
cicRecord->setClassOneID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_classOne));
cicRecord->setClassTwoID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_classTwo));
}
break;
case TR_ValidateSystemClassByName:
{
TR_RelocationRecordValidateSystemClassByName *scmRecord = reinterpret_cast<TR_RelocationRecordValidateSystemClassByName *>(reloRecord);
TR::SystemClassByNameRecord *svmRecord = reinterpret_cast<TR::SystemClassByNameRecord *>(relocation->getTargetAddress());
TR_OpaqueClassBlock *classToValidate = svmRecord->_class;
void *classChainForClassToValidate = svmRecord->_classChain;
// Store class chain to get name of class. Checking the class chain for
// this record eliminates the need for a separate class chain validation.
uintptr_t classChainOffsetInSharedCache = self()->offsetInSharedCacheFromPointer(sharedCache, classChainForClassToValidate);
scmRecord->setSystemClassID(reloTarget, symValManager->getSymbolIDFromValue(classToValidate));
scmRecord->setClassChainOffset(reloTarget, classChainOffsetInSharedCache,
self(), svmRecord->getAOTCacheClassChainRecord());
}
break;
case TR_ValidateClassFromITableIndexCP:
{
TR_RelocationRecordValidateClassFromITableIndexCP *cfitRecord = reinterpret_cast<TR_RelocationRecordValidateClassFromITableIndexCP *>(reloRecord);
TR::ClassFromITableIndexCPRecord *svmRecord = reinterpret_cast<TR::ClassFromITableIndexCPRecord *>(relocation->getTargetAddress());
cfitRecord->setClassID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_class));
cfitRecord->setBeholderID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_beholder));
cfitRecord->setCpIndex(reloTarget, svmRecord->_cpIndex);
}
break;
case TR_ValidateDeclaringClassFromFieldOrStatic:
{
TR_RelocationRecordValidateDeclaringClassFromFieldOrStatic *dcfsRecord = reinterpret_cast<TR_RelocationRecordValidateDeclaringClassFromFieldOrStatic *>(reloRecord);
TR::DeclaringClassFromFieldOrStaticRecord *svmRecord = reinterpret_cast<TR::DeclaringClassFromFieldOrStaticRecord *>(relocation->getTargetAddress());
dcfsRecord->setClassID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_class));
dcfsRecord->setBeholderID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_beholder));
dcfsRecord->setCpIndex(reloTarget, svmRecord->_cpIndex);
}
break;
case TR_ValidateConcreteSubClassFromClass:
{
TR_RelocationRecordValidateConcreteSubClassFromClass *csccRecord = reinterpret_cast<TR_RelocationRecordValidateConcreteSubClassFromClass *>(reloRecord);
TR::ConcreteSubClassFromClassRecord *svmRecord = reinterpret_cast<TR::ConcreteSubClassFromClassRecord *>(relocation->getTargetAddress());
csccRecord->setSuperClassID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_superClass));
csccRecord->setChildClassID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_childClass));
}
break;
case TR_ValidateClassChain:
{
TR_RelocationRecordValidateClassChain *ccRecord = reinterpret_cast<TR_RelocationRecordValidateClassChain *>(reloRecord);
TR::ClassChainRecord *svmRecord = reinterpret_cast<TR::ClassChainRecord *>(relocation->getTargetAddress());
TR_OpaqueClassBlock *classToValidate = svmRecord->_class;
void *classChainForClassToValidate = svmRecord->_classChain;
// Store class chain to get name of class. Checking the class chain for
// this record eliminates the need for a separate class chain validation.
uintptr_t classChainOffsetInSharedCache = self()->offsetInSharedCacheFromPointer(sharedCache, classChainForClassToValidate);
ccRecord->setClassID(reloTarget, symValManager->getSymbolIDFromValue(classToValidate));
ccRecord->setClassChainOffset(reloTarget, classChainOffsetInSharedCache,
self(), svmRecord->getAOTCacheClassChainRecord());
}
break;
case TR_ValidateMethodFromClass:
{
TR_RelocationRecordValidateMethodFromClass *mfcRecord = reinterpret_cast<TR_RelocationRecordValidateMethodFromClass *>(reloRecord);
TR::MethodFromClassRecord *svmRecord = reinterpret_cast<TR::MethodFromClassRecord *>(relocation->getTargetAddress());
mfcRecord->setMethodID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_method));
mfcRecord->setBeholderID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_beholder));
mfcRecord->setIndex(reloTarget, svmRecord->_index);
}
break;
case TR_ValidateStaticMethodFromCP:
{
TR_RelocationRecordValidateStaticMethodFromCP *smfcpRecord = reinterpret_cast<TR_RelocationRecordValidateStaticMethodFromCP *>(reloRecord);
TR::StaticMethodFromCPRecord *svmRecord = reinterpret_cast<TR::StaticMethodFromCPRecord *>(relocation->getTargetAddress());
TR_ASSERT_FATAL(
(svmRecord->_cpIndex & J9_SPECIAL_SPLIT_TABLE_INDEX_FLAG) == 0,
"static method cpIndex has special split table flag set");
if ((svmRecord->_cpIndex & J9_STATIC_SPLIT_TABLE_INDEX_FLAG) != 0)
smfcpRecord->setReloFlags(reloTarget, TR_VALIDATE_STATIC_OR_SPECIAL_METHOD_FROM_CP_IS_SPLIT);
smfcpRecord->setMethodID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_method));
smfcpRecord->setDefiningClassID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_definingClass));
smfcpRecord->setBeholderID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_beholder));
smfcpRecord->setCpIndex(reloTarget, static_cast<uint16_t>(svmRecord->_cpIndex & J9_SPLIT_TABLE_INDEX_MASK));
}
break;
case TR_ValidateSpecialMethodFromCP:
{
TR_RelocationRecordValidateSpecialMethodFromCP *smfcpRecord = reinterpret_cast<TR_RelocationRecordValidateSpecialMethodFromCP *>(reloRecord);
TR::SpecialMethodFromCPRecord *svmRecord = reinterpret_cast<TR::SpecialMethodFromCPRecord *>(relocation->getTargetAddress());
TR_ASSERT_FATAL(
(svmRecord->_cpIndex & J9_STATIC_SPLIT_TABLE_INDEX_FLAG) == 0,
"special method cpIndex has static split table flag set");
if ((svmRecord->_cpIndex & J9_SPECIAL_SPLIT_TABLE_INDEX_FLAG) != 0)
smfcpRecord->setReloFlags(reloTarget, TR_VALIDATE_STATIC_OR_SPECIAL_METHOD_FROM_CP_IS_SPLIT);
smfcpRecord->setMethodID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_method));
smfcpRecord->setDefiningClassID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_definingClass));
smfcpRecord->setBeholderID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_beholder));
smfcpRecord->setCpIndex(reloTarget, static_cast<uint16_t>(svmRecord->_cpIndex & J9_SPLIT_TABLE_INDEX_MASK));
}
break;
case TR_ValidateVirtualMethodFromCP:
{
TR_RelocationRecordValidateVirtualMethodFromCP *vmfcpRecord = reinterpret_cast<TR_RelocationRecordValidateVirtualMethodFromCP *>(reloRecord);
TR::VirtualMethodFromCPRecord *svmRecord = reinterpret_cast<TR::VirtualMethodFromCPRecord *>(relocation->getTargetAddress());
vmfcpRecord->setMethodID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_method));
vmfcpRecord->setDefiningClassID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_definingClass));
vmfcpRecord->setBeholderID(reloTarget, symValManager->getSymbolIDFromValue(svmRecord->_beholder));
vmfcpRecord->setCpIndex(reloTarget, static_cast<uint16_t>(svmRecord->_cpIndex));
}
break;
case TR_ValidateVirtualMethodFromOffset: