// Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. // See the LICENSE file in the project root for more information. // // ZapInfo.cpp // // // JIT-EE interface for zapping // // ====================================================================================== #include "common.h" #include "zapcode.h" #include "zapimport.h" #include "zapwrapper.h" #include "zapinnerptr.h" #include "zapmetadata.h" #ifdef FEATURE_READYTORUN_COMPILER #include "zapreadytorun.h" #endif ZapInfo::ZapInfo(ZapImage * pImage, mdMethodDef md, CORINFO_METHOD_HANDLE handle, CORINFO_MODULE_HANDLE module, unsigned methodProfilingDataFlags) : m_pImage(pImage), m_currentMethodToken(md), m_currentMethodHandle(handle), m_currentMethodModule(module), m_currentMethodProfilingDataFlags(methodProfilingDataFlags), m_pNativeVarInfo(NULL), m_iNativeVarInfo(0), m_pOffsetMapping(NULL), m_iOffsetMapping(0), m_pGCInfo(NULL), m_cbGCInfo(0), m_pCode(NULL), m_pColdCode(NULL), m_pROData(NULL), #ifdef WIN64EXCEPTIONS // Unwind info of the main method body. It will get merged with GC info. m_pMainUnwindInfo(NULL), m_cbMainUnwindInfo(0), m_pUnwindInfo(NULL), m_pUnwindInfoFragments(NULL), #if defined(_TARGET_AMD64_) m_pChainedColdUnwindInfo(NULL), #endif #endif // WIN64EXCEPTIONS m_pExceptionInfo(NULL), m_pProfileData(NULL), m_pProfilingHandle(NULL), m_ClassLoadTable(pImage), m_MethodLoadTable(pImage) { m_zapper = m_pImage->m_zapper; m_pEEJitInfo = m_zapper->m_pEEJitInfo; m_pEEJitInfo->setOverride(this, handle); m_pEECompileInfo = m_zapper->m_pEECompileInfo; } ZapInfo::~ZapInfo() { m_pEEJitInfo->setOverride(NULL, NULL); delete [] m_pNativeVarInfo; delete [] m_pOffsetMapping; delete [] m_pGCInfo; #ifdef WIN64EXCEPTIONS delete [] m_pMainUnwindInfo; #endif } #ifdef ALLOW_SXS_JIT_NGEN // The AltJit failed and we're going to retry. Forget everything the JIT told us and prepare to JIT again. void ZapInfo::ResetForJitRetry() { delete [] m_pNativeVarInfo; m_pNativeVarInfo = NULL; m_iNativeVarInfo = 0; delete [] m_pOffsetMapping; m_pOffsetMapping = NULL; m_iOffsetMapping = 0; delete [] m_pGCInfo; m_pGCInfo = NULL; m_cbGCInfo = 0; #ifdef WIN64EXCEPTIONS delete [] m_pMainUnwindInfo; m_pMainUnwindInfo = NULL; m_cbMainUnwindInfo = 0; #endif // WIN64EXCEPTIONS // The rest of these pointers are in the ZapWriter's ZapHeap, and will go away when the ZapWriter // goes away. That's ok for altjit fallback; we'll use extra memory until the ZapWriter goes away, // but we won't write anything to the image. We just zero out the pointers and constants, and we're good. m_pCode = NULL; m_pColdCode = NULL; m_pROData = NULL; #ifdef WIN64EXCEPTIONS m_pUnwindInfoFragments = NULL; m_pUnwindInfo = NULL; #if defined(_TARGET_AMD64_) m_pChainedColdUnwindInfo = NULL; #endif #endif // WIN64EXCEPTIONS m_pExceptionInfo = NULL; m_pProfileData = NULL; m_pProfilingHandle = NULL; m_ImportSet.RemoveAll(); m_Imports.Clear(); m_CodeRelocations.Clear(); } #endif // ALLOW_SXS_JIT_NGEN void ZapInfo::InitMethodName() { const char* szClsName; const char* szMethodName = m_pEEJitInfo->getMethodName( m_currentMethodHandle, &szClsName); m_currentMethodName.SetUTF8(szClsName); m_currentMethodName.AppendUTF8(NAMESPACE_SEPARATOR_STR); m_currentMethodName.AppendUTF8(szMethodName); } CORJIT_FLAGS ZapInfo::ComputeJitFlags(CORINFO_METHOD_HANDLE handle) { CORJIT_FLAGS jitFlags = m_zapper->m_pOpt->m_compilerFlags; CORJIT_FLAGS flags; IfFailThrow(m_pEECompileInfo->GetBaseJitFlags(handle, &flags)); jitFlags.Add(flags); // COMPlus_JitFramed specifies the default fpo setting for jitted and NGened code. // You can override the behavior for NGened code using COMPlus_NGenFramed. static ConfigDWORD g_NGenFramed; DWORD dwNGenFramed = g_NGenFramed.val(CLRConfig::UNSUPPORTED_NGenFramed); if (dwNGenFramed == 0) { // NGened code should enable fpo jitFlags.Clear(CORJIT_FLAGS::CORJIT_FLAG_FRAMED); } else if (dwNGenFramed == 1) { // NGened code should disable fpo jitFlags.Set(CORJIT_FLAGS::CORJIT_FLAG_FRAMED); } if (canSkipMethodVerification(m_currentMethodHandle) == CORINFO_VERIFICATION_CAN_SKIP) { jitFlags.Set(CORJIT_FLAGS::CORJIT_FLAG_SKIP_VERIFICATION); } if (m_pImage->m_profileDataSections[MethodBlockCounts].pData && !m_zapper->m_pOpt->m_ignoreProfileData) { jitFlags.Set(CORJIT_FLAGS::CORJIT_FLAG_BBOPT); } // // By default we always enable Hot/Cold procedure splitting // jitFlags.Set(CORJIT_FLAGS::CORJIT_FLAG_PROCSPLIT); if (m_zapper->m_pOpt->m_noProcedureSplitting) jitFlags.Clear(CORJIT_FLAGS::CORJIT_FLAG_PROCSPLIT); //never emit inlined polls for NGen'd code. The extra indirection is not optimal. if (jitFlags.IsSet(CORJIT_FLAGS::CORJIT_FLAG_GCPOLL_INLINE)) { jitFlags.Clear(CORJIT_FLAGS::CORJIT_FLAG_GCPOLL_INLINE); jitFlags.Set(CORJIT_FLAGS::CORJIT_FLAG_GCPOLL_CALLS); } // If the method is specified for min-opts then turn everything off if (jitFlags.IsSet(CORJIT_FLAGS::CORJIT_FLAG_MIN_OPT)) { jitFlags.Clear(CORJIT_FLAGS::CORJIT_FLAG_BBINSTR); jitFlags.Clear(CORJIT_FLAGS::CORJIT_FLAG_BBOPT); jitFlags.Clear(CORJIT_FLAGS::CORJIT_FLAG_PROCSPLIT); } // Rejit is now enabled by default for NGEN'ed code. This costs us // some size in exchange for diagnostic functionality, but we've got // further work planned that should mitigate the size increase. jitFlags.Set(CORJIT_FLAGS::CORJIT_FLAG_PROF_REJIT_NOPS); #ifdef FEATURE_READYTORUN_COMPILER if (IsReadyToRunCompilation()) jitFlags.Set(CORJIT_FLAGS::CORJIT_FLAG_READYTORUN); #endif return jitFlags; } ZapDebugInfo * ZapInfo::EmitDebugInfo() { if (m_iNativeVarInfo == 0 && m_iOffsetMapping == 0) { return NULL; } // We create a temporary buffer which is conservatily estimated to be // bigger than we need. We then copy the used portion into the ngen image. StackSBuffer debugInfoBuffer; m_pEECompileInfo->CompressDebugInfo( m_pOffsetMapping, m_iOffsetMapping, m_pNativeVarInfo, m_iNativeVarInfo, &debugInfoBuffer); if (IsReadyToRunCompilation()) return ZapBlob::NewBlob(m_pImage, &debugInfoBuffer[0], debugInfoBuffer.GetSize()); return m_pImage->m_pDebugInfoTable->GetDebugInfo(&debugInfoBuffer[0], debugInfoBuffer.GetSize()); } ZapGCInfo * ZapInfo::EmitGCInfo() { _ASSERTE(m_pGCInfo != NULL); #ifdef WIN64EXCEPTIONS return m_pImage->m_pGCInfoTable->GetGCInfo(m_pGCInfo, m_cbGCInfo, m_pMainUnwindInfo, m_cbMainUnwindInfo); #else return m_pImage->m_pGCInfoTable->GetGCInfo(m_pGCInfo, m_cbGCInfo); #endif // WIN64EXCEPTIONS } ZapImport ** ZapInfo::EmitFixupList() { ZapImport ** pFixupList = NULL; if (m_Imports.GetCount() != 0) { pFixupList = new (m_pImage->GetHeap()) ZapImport * [m_Imports.GetCount() + 1]; memcpy(pFixupList, &(m_Imports[0]), m_Imports.GetCount() * sizeof(ZapImport *)); } return pFixupList; } // Used by qsort int __cdecl ZapInfo::CompareCodeRelocation(const void * a_, const void * b_) { ZapInfo::CodeRelocation * a = (ZapInfo::CodeRelocation *)a_; ZapInfo::CodeRelocation * b = (ZapInfo::CodeRelocation *)b_; if (a->m_pNode != b->m_pNode) { return (a->m_pNode > b->m_pNode) ? 1 : -1; } return a->m_offset - b->m_offset; } void ZapInfo::EmitCodeRelocations() { if (m_CodeRelocations.IsEmpty()) return; qsort(&m_CodeRelocations[0], m_CodeRelocations.GetCount(), sizeof(CodeRelocation), CompareCodeRelocation); COUNT_T startIndex = 0; while (startIndex < m_CodeRelocations.GetCount()) { ZapBlobWithRelocs * pNode = m_CodeRelocations[startIndex].m_pNode; COUNT_T endIndex = startIndex + 1; for ( ; endIndex < m_CodeRelocations.GetCount(); endIndex++) { if (m_CodeRelocations[endIndex].m_pNode != pNode) break; } ZapReloc * pRelocs = (ZapReloc *) new (m_pImage->GetHeap()) BYTE[sizeof(ZapReloc) * (endIndex - startIndex) + sizeof(ZapRelocationType)]; for (COUNT_T i = 0; i < endIndex - startIndex; i++) pRelocs[i] = m_CodeRelocations[startIndex + i]; // Set sentinel static_assert_no_msg(offsetof(ZapReloc, m_type) == 0); *(ZapRelocationType *)(pRelocs + (endIndex - startIndex)) = IMAGE_REL_INVALID; pNode->SetRelocs(pRelocs); startIndex = endIndex; } } void ZapInfo::ProcessReferences() { COUNT_T count = m_CodeRelocations.GetCount(); for (COUNT_T i = 0; i < count; i++) { CORINFO_METHOD_HANDLE hMethod = NULL; CORINFO_CLASS_HANDLE hClass = NULL; bool fMaybeConditionalImport = false; ZapNode * pTarget = m_CodeRelocations[i].m_pTargetNode; ZapNodeType type = pTarget->GetType(); if (type == ZapNodeType_InnerPtr) { pTarget = ((ZapInnerPtr *)pTarget)->GetBase(); type = pTarget->GetType(); } switch (type) { case ZapNodeType_MethodEntryPoint: hMethod = ((ZapMethodEntryPoint*)pTarget)->GetHandle(); if (m_pImage->m_pPreloader->DoesMethodNeedRestoringBeforePrestubIsRun(hMethod)) { methodMustBeLoadedBeforeCodeIsRun(hMethod); } break; case ZapNodeType_Import_MethodHandle: case ZapNodeType_Import_FunctionEntry: case ZapNodeType_Import_IndirectPInvokeTarget: hMethod = (CORINFO_METHOD_HANDLE)(((ZapImport *)pTarget)->GetHandle()); fMaybeConditionalImport = true; break; case ZapNodeType_Import_ClassHandle: case ZapNodeType_Import_ClassDomainId: case ZapNodeType_Import_SyncLock: hClass = (CORINFO_CLASS_HANDLE)((ZapImport *)pTarget)->GetHandle(); fMaybeConditionalImport = true; break; case ZapNodeType_Import_FieldHandle: case ZapNodeType_Import_StaticFieldAddress: hClass = m_pEEJitInfo->getFieldClass((CORINFO_FIELD_HANDLE)(((ZapImport *)pTarget)->GetHandle())); fMaybeConditionalImport = true; break; case ZapNodeType_Import_StringHandle: case ZapNodeType_Import_ModuleHandle: case ZapNodeType_Import_ModuleDomainId: case ZapNodeType_Import_VarArg: fMaybeConditionalImport = true; break; case ZapNodeType_MethodHandle: hMethod = (CORINFO_METHOD_HANDLE)(((ZapWrapper *)pTarget)->GetHandle()); break; case ZapNodeType_ExternalMethodThunk: case ZapNodeType_ExternalMethodCell: hMethod = (CORINFO_METHOD_HANDLE)((ZapImport*)pTarget)->GetHandle(); break; default: break; } if (fMaybeConditionalImport) { const ImportEntry * pExistingEntry = m_ImportSet.LookupPtr((ZapImport *)pTarget); if (pExistingEntry != NULL && pExistingEntry->fConditional) { const_cast(pExistingEntry)->fConditional = false; m_Imports.Append((ZapImport *)pTarget); // 'handle' does not have to be added to CORCOMPILE_LOAD_TABLE since we adding // it to CORCOMPILE_HANDLE_TABLE if (hMethod != NULL) m_MethodLoadTable.Load(hMethod, TRUE); else if (hClass != NULL) m_ClassLoadTable.Load(hClass, TRUE); } } if (hMethod != NULL) { m_pImage->m_pPreloader->MethodReferencedByCompiledCode(hMethod); } } } // Compile a method using the JIT or Module compiler, and emit fixups void ZapInfo::CompileMethod() { PRECONDITION(m_zapper->m_pJitCompiler != NULL); InitMethodName(); if (m_zapper->m_pOpt->m_verbose) { // The evaluation of m_currentMethodName.GetUnicode() is expensive // only do it when we are truely logging m_zapper->Info(W("Compiling method %s\n"), m_currentMethodName.GetUnicode()); } m_currentMethodInfo = CORINFO_METHOD_INFO(); if (!getMethodInfo(m_currentMethodHandle, &m_currentMethodInfo)) { return; } // Method does not have IL (e.g. an abstract method) if (m_currentMethodInfo.ILCodeSize == 0) return; // During ngen we look for a hint attribute on the method that indicates // the method should be preprocessed for early // preparation. This normally happens automatically, but for methods that // are prepared explicitly at runtime the needed // information is missing from the ngen image, causing costly overheads // at runtime. When the author of the method knows about // this they can add the hint and reduce the perf cost at runtime. m_pImage->m_pPreloader->PrePrepareMethodIfNecessary(m_currentMethodHandle); m_jitFlags = ComputeJitFlags(m_currentMethodHandle); #ifdef FEATURE_READYTORUN_COMPILER if (IsReadyToRunCompilation()) { // READYTORUN: FUTURE: Producedure spliting m_jitFlags.Clear(CORJIT_FLAGS::CORJIT_FLAG_PROCSPLIT); DWORD methodAttribs = getMethodAttribs(m_currentMethodHandle); if (!(methodAttribs & CORINFO_FLG_NOSECURITYWRAP) || (methodAttribs & CORINFO_FLG_SECURITYCHECK)) { m_zapper->Warning(W("ReadyToRun: Methods with security checks not supported\n")); ThrowHR(E_NOTIMPL); } } #endif if (!m_jitFlags.IsSet(CORJIT_FLAGS::CORJIT_FLAG_SKIP_VERIFICATION)) { BOOL raiseVerificationException, unverifiableGenericCode; m_jitFlags = GetCompileFlagsIfGenericInstantiation( m_currentMethodHandle, m_jitFlags, this, &raiseVerificationException, &unverifiableGenericCode); // Instead of raising a VerificationException, we will leave the method // uncompiled. If it gets called at runtime, we will raise the // VerificationException at that time while trying to compile the method. if (raiseVerificationException) return; } if (m_pImage->m_stats) { m_pImage->m_stats->m_methods++; m_pImage->m_stats->m_ilCodeSize += m_currentMethodInfo.ILCodeSize; } CorJitResult res = CORJIT_SKIPPED; BYTE *pCode; ULONG cCode; #ifdef ALLOW_SXS_JIT_NGEN if (m_zapper->m_alternateJit) { REMOVE_STACK_GUARD; res = m_zapper->m_alternateJit->compileMethod( this, &m_currentMethodInfo, CORJIT_FLAGS::CORJIT_FLAG_CALL_GETJITFLAGS, &pCode, &cCode ); if (FAILED(res)) { // We will fall back to the "main" JIT on failure. ResetForJitRetry(); } } #endif // ALLOW_SXS_JIT_NGEN if (FAILED(res)) { REMOVE_STACK_GUARD; ICorJitCompiler * pCompiler = m_zapper->m_pJitCompiler; res = pCompiler->compileMethod(this, &m_currentMethodInfo, CORJIT_FLAGS::CORJIT_FLAG_CALL_GETJITFLAGS, &pCode, &cCode); if (FAILED(res)) { ThrowExceptionForJitResult(res); } } MethodCompileComplete(m_currentMethodInfo.ftn); #ifdef _TARGET_X86_ // The x86 JIT over estimates the code size. Trim the blob size down to // the actual size. // We can do this only for non-split code. Adjusting the code size for split // methods would hose offsets in GC info. if (m_pColdCode == NULL) { m_pCode->AdjustBlobSize(cCode); } #endif PublishCompiledMethod(); } #ifndef FEATURE_FULL_NGEN class MethodCodeComparer { static BOOL NodeEquals(ZapNode * k1, ZapNode * k2) { return k1 == k2; } static BOOL BlobEquals(ZapBlob * k1, ZapBlob * k2) { if (k1 == NULL && k2 == NULL) return TRUE; if (k1 == NULL || k2 == NULL) return FALSE; if (k1->GetBlobSize() != k2->GetBlobSize()) return FALSE; if (memcmp(k1->GetData(), k2->GetData(), k1->GetBlobSize()) != 0) return FALSE; return TRUE; } typedef ZapNode * EquivalentNodes[4][2]; static BOOL EquivalentNode(ZapNode * k1, ZapNode * k2, EquivalentNodes & equivalentNodes) { if (k1 == k2) return TRUE; for (int i = 0; i < _countof(equivalentNodes); i++) { if (k1 == equivalentNodes[i][0] && k2 == equivalentNodes[i][1]) return TRUE; } return FALSE; } static BOOL BlobWithRelocsEquals(ZapBlobWithRelocs * k1, ZapBlobWithRelocs * k2, EquivalentNodes & equivalentNodes) { if (k1 == NULL && k2 == NULL) return TRUE; if (k1 == NULL || k2 == NULL) return FALSE; if (k1->GetBlobSize() != k2->GetBlobSize()) return FALSE; if (memcmp(k1->GetData(), k2->GetData(), k1->GetBlobSize()) != 0) return FALSE; ZapReloc * pRelocs1 = k1->GetRelocs(); ZapReloc * pRelocs2 = k2->GetRelocs(); if (pRelocs1 == NULL && pRelocs2 == NULL) return TRUE; if (pRelocs1 == NULL || pRelocs2 == NULL) return FALSE; while (pRelocs1->m_type != IMAGE_REL_INVALID || pRelocs2->m_type != IMAGE_REL_INVALID) { if (pRelocs1->m_type != pRelocs2->m_type || pRelocs1->m_offset != pRelocs2->m_offset) return FALSE; if (!EquivalentNode(pRelocs1->m_pTargetNode, pRelocs2->m_pTargetNode, equivalentNodes)) return FALSE; pRelocs1++; pRelocs2++; } return TRUE; } static BOOL UnwindInfoEquals(ZapUnwindInfo * k1, ZapUnwindInfo * k2, EquivalentNodes & equivalentNodes) { if (k1 == NULL && k2 == NULL) return TRUE; if (k1 == NULL || k2 == NULL) return FALSE; return (k1->GetStartOffset() == k2->GetStartOffset()) && (k1->GetEndOffset() == k2->GetEndOffset()) && (k1->GetUnwindData() == k2->GetUnwindData()) && EquivalentNode(k1->GetCode(), k2->GetCode(), equivalentNodes); } static BOOL UnwindInfoFragmentsEquals(ZapUnwindInfo * k1, ZapUnwindInfo * k2, EquivalentNodes & equivalentNodes) { if (k1 == NULL && k2 == NULL) return TRUE; if (k1 == NULL || k2 == NULL) return FALSE; while (k1 != NULL || k2 != NULL) { if (!UnwindInfoEquals(k1, k2, equivalentNodes)) return FALSE; k1 = k1->GetNextFragment(); k2 = k2->GetNextFragment(); } return TRUE; } static BOOL FixupListEquals(ZapImport ** k1, ZapImport ** k2) { if (k1 == NULL && k2 == NULL) return TRUE; if (k1 == NULL || k2 == NULL) return FALSE; while (*k1 != NULL || *k2 != NULL) { if (*k1 != *k2) return FALSE; k1++; k2++; } return TRUE; } public: static BOOL MethodCodeEquals(ZapMethodHeader * k1, ZapMethodHeader * k2) { LIMITED_METHOD_CONTRACT; EquivalentNodes equivalentNodes = { { k1->m_pCode, k2->m_pCode }, { k1->m_pColdCode, k2->m_pColdCode }, { k1->m_pROData, k2->m_pROData }, { k1->m_pProfileData, k2->m_pProfileData } }; if (!BlobWithRelocsEquals(k1->m_pCode, k2->m_pCode, equivalentNodes)) return FALSE; if (!BlobWithRelocsEquals(k1->m_pColdCode, k2->m_pColdCode, equivalentNodes)) return FALSE; if (!UnwindInfoEquals(k1->m_pUnwindInfo, k2->m_pUnwindInfo, equivalentNodes)) return FALSE; if (!UnwindInfoEquals(k1->m_pColdUnwindInfo, k2->m_pColdUnwindInfo, equivalentNodes)) return FALSE; #ifdef WIN64EXCEPTIONS if (!UnwindInfoFragmentsEquals(k1->m_pUnwindInfoFragments, k2->m_pUnwindInfoFragments, equivalentNodes)) return FALSE; #endif if (!BlobWithRelocsEquals(k1->m_pROData, k2->m_pROData, equivalentNodes)) return FALSE; if (!BlobWithRelocsEquals(k1->m_pProfileData, k2->m_pProfileData, equivalentNodes)) return FALSE; if (!NodeEquals(k1->m_pGCInfo, k2->m_pGCInfo)) // interned return FALSE; if (!NodeEquals(k1->m_pDebugInfo, k2->m_pDebugInfo)) // interned return FALSE; if (!FixupListEquals(k1->m_pFixupList, k2->m_pFixupList)) return FALSE; if (!BlobEquals(k1->m_pExceptionInfo, k2->m_pExceptionInfo)) return FALSE; return TRUE; } }; extern BOOL CanDeduplicateCode(CORINFO_METHOD_HANDLE method, CORINFO_METHOD_HANDLE duplicateMethod); BOOL ZapImage::MethodCodeTraits::Equals(key_t k1, key_t k2) { if (!MethodCodeComparer::MethodCodeEquals(k1, k2)) return FALSE; // Check additional VM conditions that has to be satisfied for deduplication if (!CanDeduplicateCode(k1->GetHandle(), k2->GetHandle())) return FALSE; return TRUE; } COUNT_T ZapImage::MethodCodeTraits::Hash(key_t k) { COUNT_T hash = ZapBlob::SHashTraits::Hash(ZapBlob::SHashTraits::GetKey(k->m_pCode)); ZapReloc * pRelocs = k->m_pCode->GetRelocs(); if (pRelocs != NULL) { while (pRelocs->m_type != IMAGE_REL_INVALID) { ZapNode * pTarget = pRelocs->m_pTargetNode; ZapNodeType type = pTarget->GetType(); if (type == ZapNodeType_InnerPtr) { pTarget = ((ZapInnerPtr *)pTarget)->GetBase(); type = pTarget->GetType(); } // The IL stubs code often differs by just a method call or class handle. Include // these in the hash code. switch (type) { case ZapNodeType_MethodEntryPoint: case ZapNodeType_ExternalMethodThunk: case ZapNodeType_ClassHandle: case ZapNodeType_Import_ClassHandle: case ZapNodeType_MethodHandle: case ZapNodeType_Import_MethodHandle: hash = ((hash << 5) + hash) ^ (COUNT_T)(pTarget); break; default: break; } pRelocs++; } } return hash; } #endif void ZapInfo::PublishCompiledMethod() { EmitCodeRelocations(); // Go through all references in the code, make sure that we have fixups for them, // and ensure that they will be otherwise present in the image if necessary ProcessReferences(); // See if there are load fixups to emit. m_ClassLoadTable.EmitLoadFixups(m_currentMethodHandle, this); if (!IsReadyToRunCompilation()) m_MethodLoadTable.EmitLoadFixups(m_currentMethodHandle, this); ZapMethodHeader * pMethod = new (m_pImage->GetHeap()) ZapMethodHeader(); pMethod->m_handle = m_currentMethodHandle; pMethod->m_classHandle = getMethodClass(m_currentMethodHandle); pMethod->m_pCode = m_pCode; pMethod->m_pColdCode = m_pColdCode; pMethod->m_pROData = m_pROData; pMethod->m_pProfileData = m_pProfileData; pMethod->m_pExceptionInfo = m_pExceptionInfo; pMethod->m_pFixupList = EmitFixupList(); pMethod->m_pDebugInfo = EmitDebugInfo(); pMethod->m_pGCInfo = EmitGCInfo(); #ifdef WIN64EXCEPTIONS pMethod->m_pUnwindInfoFragments = m_pUnwindInfoFragments; // Set the combined GCInfo + UnwindInfo blob m_pUnwindInfo->SetUnwindData(pMethod->m_pGCInfo); #if defined(_TARGET_AMD64_) if (m_pChainedColdUnwindInfo != NULL) { // Chain the cold unwind info with the hot unwind info m_pChainedColdUnwindInfo->SetUnwindData(m_pUnwindInfo); } #endif // _TARGET_AMD64_ #endif // WIN64EXCEPTIONS #ifndef FEATURE_FULL_NGEN // // Method code deduplication // // For now, the only methods eligible for de-duplication are IL stubs // if (m_zapper->m_pOpt->m_compilerFlags.IsSet(CORJIT_FLAGS::CORJIT_FLAG_IL_STUB)) { ZapMethodHeader * pDuplicateMethod = m_pImage->m_CodeDeduplicator.Lookup(pMethod); if (pDuplicateMethod != NULL) { m_pImage->m_pPreloader->NoteDeduplicatedCode(pMethod->m_handle, pDuplicateMethod->m_handle); return; } m_pImage->m_CodeDeduplicator.Add(pMethod); } #endif // Remember the gc info for IL stubs associated with hot methods so they can be packed well. // Stubs that have no metadata token cannot be tracked by IBC data. if (m_currentMethodProfilingDataFlags & (1 << ReadMethodCode)) { if (m_zapper->m_pOpt->m_compilerFlags.IsSet(CORJIT_FLAGS::CORJIT_FLAG_IL_STUB)) m_pImage->m_PrioritizedGCInfo.Append(pMethod->m_pGCInfo); } pMethod->m_ProfilingDataFlags = m_currentMethodProfilingDataFlags; COUNT_T methodCompilationOrder = m_pImage->m_MethodCompilationOrder.GetCount(); pMethod->m_compilationOrder = methodCompilationOrder; // We need to remember the first index into m_MethodCompilationOrder where we saw a method from this class m_pImage->InitializeClassLayoutOrder(pMethod->m_classHandle, methodCompilationOrder); m_pImage->m_CompiledMethods.Add(pMethod); m_pImage->m_MethodCompilationOrder.Append(pMethod); } void ZapInfo::getGSCookie(GSCookie * pCookieVal, GSCookie ** ppCookieVal) { *pCookieVal = 0; #ifdef FEATURE_READYTORUN_COMPILER if (IsReadyToRunCompilation()) { *ppCookieVal = (GSCookie *)m_pImage->GetImportTable()->GetHelperImport(READYTORUN_HELPER_GSCookie); return; } #endif *ppCookieVal = (GSCookie *)m_pImage->GetInnerPtr(m_pImage->m_pEEInfoTable, offsetof(CORCOMPILE_EE_INFO_TABLE, gsCookie)); } DWORD ZapInfo::getJitFlags(CORJIT_FLAGS* jitFlags, DWORD sizeInBytes) { _ASSERTE(jitFlags != NULL); _ASSERTE(sizeInBytes >= sizeof(m_jitFlags)); *jitFlags = m_jitFlags; return sizeof(m_jitFlags); } IEEMemoryManager* ZapInfo::getMemoryManager() { return GetEEMemoryManager(); } bool ZapInfo::runWithErrorTrap(void (*function)(void*), void* param) { return m_pEEJitInfo->runWithErrorTrap(function, param); } HRESULT ZapInfo::allocBBProfileBuffer ( ULONG cBlock, ICorJitInfo::ProfileBuffer ** ppBlock ) { HRESULT hr; if (m_zapper->m_pOpt->m_compilerFlags.IsSet(CORJIT_FLAGS::CORJIT_FLAG_IL_STUB)) { *ppBlock = NULL; return E_NOTIMPL; } // @TODO: support generic methods from other assemblies if (m_currentMethodModule != m_pImage->m_hModule) { *ppBlock = NULL; return E_NOTIMPL; } mdMethodDef md = m_currentMethodToken; if (IsNilToken(md)) { // This must be the non-System.Object instantiation of a generic type/method. IfFailRet(m_zapper->m_pEECompileInfo->GetMethodDef(m_currentMethodHandle, &md)); } #ifdef _DEBUG else { mdMethodDef mdTemp; IfFailRet(m_zapper->m_pEECompileInfo->GetMethodDef(m_currentMethodHandle, &mdTemp)); _ASSERTE(md == mdTemp); } #endif if (IsNilToken(md)) { return E_FAIL; } // If the JIT retries the compilation (especially during JIT stress), it can // try to allocate the profiling data multiple times. We will just keep track // of the latest copy in this case. // _ASSERTE(m_pProfileData == NULL); DWORD totalSize = (DWORD) (cBlock * sizeof(ICorJitInfo::ProfileBuffer)) + sizeof(CORBBTPROF_METHOD_HEADER); m_pProfileData = ZapBlobWithRelocs::NewAlignedBlob(m_pImage, NULL, totalSize, sizeof(DWORD)); CORBBTPROF_METHOD_HEADER * profileData = (CORBBTPROF_METHOD_HEADER *) m_pProfileData->GetData(); profileData->size = totalSize; profileData->cDetail = 0; profileData->method.token = md; profileData->method.ILSize = m_currentMethodInfo.ILCodeSize; profileData->method.cBlock = cBlock; *ppBlock = (ICorJitInfo::ProfileBuffer *)(&profileData->method.block[0]); return S_OK; } HRESULT ZapInfo::getBBProfileData ( CORINFO_METHOD_HANDLE ftnHnd, ULONG * pCount, ICorJitInfo::ProfileBuffer ** ppBlock, ULONG * numRuns ) { _ASSERTE(ppBlock); _ASSERTE(pCount); _ASSERTE(ftnHnd == m_currentMethodHandle); HRESULT hr; // Initialize outputs in case we return E_FAIL *ppBlock = NULL; *pCount = 0; if (numRuns) { *numRuns = 0; } // For generic instantiations whose IL is in another module, // the profile data is in that module // @TODO: Fetch the profile data from the other module. if ((m_currentMethodModule != m_pImage->m_hModule) || m_zapper->m_pOpt->m_compilerFlags.IsSet(CORJIT_FLAGS::CORJIT_FLAG_IL_STUB)) { return E_FAIL; } ZapImage::ProfileDataSection * DataSection_MethodBlockCounts = & m_pImage->m_profileDataSections[MethodBlockCounts]; if (!DataSection_MethodBlockCounts->pData) { return E_FAIL; } mdMethodDef md = m_currentMethodToken; if (IsNilToken(md)) { // This must be the non-System.Object instantiation of a generic type/method. IfFailRet(m_zapper->m_pEECompileInfo->GetMethodDef(ftnHnd, &md)); } #ifdef _DEBUG else { mdMethodDef mdTemp; IfFailRet(m_zapper->m_pEECompileInfo->GetMethodDef(ftnHnd, &mdTemp)); _ASSERTE(md == mdTemp); } #endif if (IsNilToken(md)) { return E_FAIL; } if (numRuns) { *numRuns = m_pImage->m_profileDataNumRuns; } const ZapImage::ProfileDataHashEntry * foundEntry = m_pImage->profileDataHashTable.LookupPtr(md); if (foundEntry == NULL) { return E_FAIL; } // The md must match. _ASSERTE(foundEntry->md == md); if (foundEntry->pos == 0) { // We might not have profile data and instead only have CompileStatus and flags assert(foundEntry->size == 0); return E_FAIL; } // // // We found the md. Let's retrieve the profile data. // _ASSERTE(foundEntry->size >= sizeof(CORBBTPROF_METHOD_HEADER)); // The size must at least this ProfileReader profileReader(DataSection_MethodBlockCounts->pData, DataSection_MethodBlockCounts->dataSize); // Locate the method in interest. SEEK(foundEntry->pos); CORBBTPROF_METHOD_HEADER * profileData; READ_SIZE(profileData, CORBBTPROF_METHOD_HEADER, foundEntry->size); _ASSERTE(profileData->method.token == foundEntry->md); // We should be looking at the right method _ASSERTE(profileData->size == foundEntry->size); // and the cached size must match *ppBlock = (ICorJitInfo::ProfileBuffer *) &profileData->method.block[0]; *pCount = profileData->method.cBlock; // If the ILSize is non-zero the the ILCodeSize also must match // if ((profileData->method.ILSize != 0) && (profileData->method.ILSize != m_currentMethodInfo.ILCodeSize)) { // IL code for this method does not match the IL code for the method when it was profiled // in such cases we tell the JIT to discard the profile data by returning E_FAIL // return E_FAIL; } return S_OK; } void ZapInfo::allocMem( ULONG hotCodeSize, /* IN */ ULONG coldCodeSize, /* IN */ ULONG roDataSize, /* IN */ ULONG xcptnsCount, /* IN */ CorJitAllocMemFlag flag, /* IN */ void ** hotCodeBlock, /* OUT */ void ** coldCodeBlock, /* OUT */ void ** roDataBlock /* OUT */ ) { bool optForSize = m_zapper->m_pOpt->m_compilerFlags.IsSet(CORJIT_FLAGS::CORJIT_FLAG_SIZE_OPT); UINT align = DEFAULT_CODE_ALIGN; if ((flag & CORJIT_ALLOCMEM_FLG_16BYTE_ALIGN) && !IsReadyToRunCompilation()) align = max(align, 16); m_pCode = ZapCodeBlob::NewAlignedBlob(m_pImage, NULL, hotCodeSize, align); *hotCodeBlock = m_pCode->GetData(); if (coldCodeSize != 0) { align = sizeof(DWORD); m_pColdCode = ZapCodeBlob::NewAlignedBlob(m_pImage, NULL, coldCodeSize, align); *coldCodeBlock = m_pColdCode->GetData(); } // // Allocate data // if (roDataSize > 0) { if (flag & CORJIT_ALLOCMEM_FLG_RODATA_16BYTE_ALIGN) { align = 16; } else if (optForSize || (roDataSize < 8)) { align = sizeof(TADDR); } else { align = 8; } m_pROData = ZapBlobWithRelocs::NewAlignedBlob(m_pImage, NULL, roDataSize, align); *roDataBlock = m_pROData->GetData(); } if (m_pImage->m_stats) { m_pImage->m_stats->m_nativeCodeSize += hotCodeSize; m_pImage->m_stats->m_nativeColdCodeSize += coldCodeSize; m_pImage->m_stats->m_nativeRODataSize += roDataSize; BOOL haveProfileData = CurrentMethodHasProfileData(); if (haveProfileData) { m_pImage->m_stats->m_nativeCodeSizeInProfiledMethods += hotCodeSize; m_pImage->m_stats->m_nativeColdCodeSizeInProfiledMethods += coldCodeSize; } if (coldCodeSize) { m_pImage->m_stats->m_NumHotColdAllocations++; m_pImage->m_stats->m_nativeCodeSizeInSplitMethods += hotCodeSize; m_pImage->m_stats->m_nativeColdCodeSizeInSplitMethods += coldCodeSize; if (haveProfileData) { m_pImage->m_stats->m_nativeCodeSizeInSplitProfiledMethods += hotCodeSize; m_pImage->m_stats->m_nativeColdCodeSizeInSplitProfiledMethods += coldCodeSize; } } else { m_pImage->m_stats->m_NumHotAllocations++; } } } void * ZapInfo::allocGCInfo(size_t size) { _ASSERTE(m_pGCInfo == NULL); #ifdef _WIN64 if (size & 0xFFFFFFFF80000000LL) { IfFailThrow(CORJIT_OUTOFMEM); } #endif // _WIN64 m_pGCInfo = new BYTE[size]; m_cbGCInfo = size; return m_pGCInfo; } void ZapInfo::yieldExecution() { // nothing necessary here } void ZapInfo::setEHcount(unsigned cEH) { // // Must call after header has been allocated // if (cEH == 0) { _ASSERTE(!"Should not be called"); return; } ULONG size = (sizeof(CORCOMPILE_EXCEPTION_CLAUSE) * cEH); _ASSERTE(m_pExceptionInfo == NULL); m_pExceptionInfo = ZapBlob::NewAlignedBlob(m_pImage, NULL, size, sizeof(DWORD)); } void ZapInfo::setEHinfo(unsigned EHnumber, const CORINFO_EH_CLAUSE *clause) { // // Must call after EH info has been allocated // _ASSERTE(m_pExceptionInfo != NULL); CORCOMPILE_EXCEPTION_CLAUSE *ehClauseArray = (CORCOMPILE_EXCEPTION_CLAUSE *)m_pExceptionInfo->GetData(); CORCOMPILE_EXCEPTION_CLAUSE *ilClause = &ehClauseArray[EHnumber]; ilClause->TryStartPC = clause->TryOffset; ilClause->TryEndPC = clause->TryLength; ilClause->HandlerStartPC= clause->HandlerOffset; ilClause->HandlerEndPC = clause->HandlerLength; ilClause->Flags = (CorExceptionFlag) clause->Flags; if (clause->Flags & CORINFO_EH_CLAUSE_FILTER) { ilClause->FilterOffset = clause->FilterOffset; } else { ilClause->ClassToken = clause->ClassToken; if (m_zapper->m_pOpt->m_compilerFlags.IsSet(CORJIT_FLAGS::CORJIT_FLAG_IL_STUB) && (clause->ClassToken != 0)) { // IL stub tokens are 'private' and do not resolve correctly in their parent module's metadata. // Currently, the only place we are using a token here is for a COM-to-CLR exception-to-HRESULT // mapping catch clause. We want this catch clause to catch all exceptions, so we override the // token to be mdTypeRefNil, which used by the EH system to mean catch(...) #ifdef _DEBUG // The proper way to do this, should we ever want to support arbitrary types here, is to "pre- // resolve" the token and store the TypeHandle in the clause. But this requires additional // infrastructure to ensure the TypeHandle is saved and fixed-up properly. For now, we will // simply assert that the original type was System.Object. CORINFO_RESOLVED_TOKEN resolvedToken = { 0 }; resolvedToken.tokenContext = MAKE_METHODCONTEXT(m_currentMethodInfo.ftn); resolvedToken.tokenScope = m_currentMethodInfo.scope; resolvedToken.token = ilClause->ClassToken; resolvedToken.tokenType = CORINFO_TOKENKIND_Class; resolveToken(&resolvedToken); CORINFO_CLASS_HANDLE systemObjectHandle = getBuiltinClass(CLASSID_SYSTEM_OBJECT); _ASSERTE(systemObjectHandle == resolvedToken.hClass); #endif // _DEBUG ilClause->ClassToken = mdTypeRefNil; } } // // @TODO: this does not support DynamicMethods // } int ZapInfo::canHandleException(struct _EXCEPTION_POINTERS *pExceptionPointers) { return (EXCEPTION_EXECUTE_HANDLER); } int ZapInfo::doAssert(const char* szFile, int iLine, const char* szExpr) { #if defined(_DEBUG) return(_DbgBreakCheck(szFile, iLine, szExpr)); #else return(true); // break into debugger #endif } void ZapInfo::reportFatalError(CorJitResult result) { m_zapper->Info(W("Jit reported error 0x%x while compiling %s\n"), (int)result, m_currentMethodName.GetUnicode()); } // Reserve memory for the method/funclet's unwind information // Note that this must be called before allocMem, it should be // called once for the main method, once for every funclet region, and // once for every non-funclet cold region for which we will call // allocUnwindinfo. // // For prejitted code we need to count how many funclet regions // we have so that we can allocate and sort a contiguous .rdata block. // void ZapInfo::reserveUnwindInfo(BOOL isFunclet, BOOL isColdCode, ULONG unwindSize) { // Nothing to do } // // Allocate and initialize the .xdata and .pdata for this method or // funclet region and get the block of memory needed for the machine-specific // unwind information (the info for crawling the stack frame). // Note that allocMem must be called first. // // The pHotCode parameter points at the first byte of the code of the method. // The startOffset and endOffset are the region (main or funclet) that // we are to allocate and create .xdata and .pdata for. // The pUnwindBlock is copied and contains the .xdata unwind info. // // Parameters: // // pHotCode main method code buffer, always filled in // pColdCode cold code buffer, only filled in if this is cold code, // null otherwise // startOffset start of code block, relative to appropriate code buffer // (e.g. pColdCode if cold, pHotCode if hot). // endOffset end of code block, relative to appropriate code buffer // unwindSize size of unwind info pointed to by pUnwindBlock // pUnwindBlock pointer to unwind info // funcKind type of funclet (main method code, handler, filter) // void ZapInfo::allocUnwindInfo ( BYTE * pHotCode, /* IN */ BYTE * pColdCode, /* IN */ ULONG startOffset, /* IN */ ULONG endOffset, /* IN */ ULONG unwindSize, /* IN */ BYTE * pUnwindBlock, /* IN */ CorJitFuncKind funcKind /* IN */ ) { #ifdef WIN64EXCEPTIONS _ASSERTE(pHotCode == m_pCode->GetData()); _ASSERTE(pColdCode == NULL || pColdCode == m_pColdCode->GetData()); ZapNode * pCode = (pColdCode != NULL) ? m_pColdCode : m_pCode; ZapUnwindInfo * pUnwindInfo = new (m_pImage->GetHeap()) ZapUnwindInfo(pCode, startOffset, endOffset); // Prepend the new unwind info to the linked list of all fragments pUnwindInfo->SetNextFragment(m_pUnwindInfoFragments); m_pUnwindInfoFragments = pUnwindInfo; if (funcKind == CORJIT_FUNC_ROOT && pColdCode == NULL && startOffset == 0) { // // Main method unwind data // _ASSERTE(m_pMainUnwindInfo == NULL); m_pMainUnwindInfo = new BYTE[unwindSize]; m_cbMainUnwindInfo = unwindSize; memcpy(m_pMainUnwindInfo, pUnwindBlock, unwindSize); // UnwindData Will be set to the combined GCInfo + UnwindInfo blob later as the compiled method is published _ASSERTE(m_pUnwindInfo == NULL); m_pUnwindInfo = pUnwindInfo; } #if defined(_TARGET_AMD64_) else if (funcKind == CORJIT_FUNC_ROOT && pColdCode != NULL) { // // Chained cold code unwind data // _ASSERTE(unwindSize == 0); // UnwindData Will be chained to the parent unwind info later as the compiled method is published _ASSERTE(m_pChainedColdUnwindInfo == NULL); m_pChainedColdUnwindInfo = pUnwindInfo; } #endif else { // // Normal unwind data // ZapUnwindData * pUnwindData = m_pImage->m_pUnwindDataTable->GetUnwindData(pUnwindBlock, unwindSize, funcKind == CORJIT_FUNC_FILTER); pUnwindInfo->SetUnwindData(pUnwindData); } #endif // WIN64EXCEPTIONS } BOOL ZapInfo::logMsg(unsigned level, const char *fmt, va_list args) { if (m_zapper->m_pOpt->m_legacyMode) return FALSE; if (HasSvcLogger()) { if (level <= LL_INFO10) { StackSString ss; ss.VPrintf(fmt,args); GetSvcLogger()->Log(ss.GetUnicode(), LogLevel_Success); return TRUE; } } #ifdef LOGGING if (LoggingOn(LF_JIT, level)) { LogSpewValist(LF_JIT, level, (char*) fmt, args); return TRUE; } #endif // LOGGING return FALSE; } // // ICorDynamicInfo // DWORD ZapInfo::getThreadTLSIndex(void **ppIndirection) { _ASSERTE(ppIndirection != NULL); *ppIndirection = NULL; return (DWORD)-1; } const void * ZapInfo::getInlinedCallFrameVptr(void **ppIndirection) { _ASSERTE(ppIndirection != NULL); *ppIndirection = m_pImage->GetInnerPtr(m_pImage->m_pEEInfoTable, offsetof(CORCOMPILE_EE_INFO_TABLE, inlinedCallFrameVptr)); return NULL; } SIZE_T* ZapInfo::getAddrModuleDomainID(CORINFO_MODULE_HANDLE module) { return m_pEEJitInfo->getAddrModuleDomainID(module); } LONG * ZapInfo::getAddrOfCaptureThreadGlobal(void **ppIndirection) { _ASSERTE(ppIndirection != NULL); *ppIndirection = (LONG *) m_pImage->GetInnerPtr(m_pImage->m_pEEInfoTable, offsetof(CORCOMPILE_EE_INFO_TABLE, addrOfCaptureThreadGlobal)); return NULL; } // Get slow lazy string literal helper to use (CORINFO_HELP_STRCNS*). // Returns CORINFO_HELP_UNDEF if lazy string literal helper cannot be used. CorInfoHelpFunc ZapInfo::getLazyStringLiteralHelper(CORINFO_MODULE_HANDLE handle) { if (handle == m_pImage->m_hModule) return CORINFO_HELP_STRCNS_CURRENT_MODULE; return CORINFO_HELP_STRCNS; } CORINFO_MODULE_HANDLE ZapInfo::embedModuleHandle(CORINFO_MODULE_HANDLE handle, void **ppIndirection) { _ASSERTE(ppIndirection != NULL); if (IsReadyToRunCompilation()) { _ASSERTE(!"embedModuleHandle"); ThrowHR(E_NOTIMPL); } BOOL fHardbound = m_pImage->m_pPreloader->CanEmbedModuleHandle(handle); if (fHardbound) { if (handle == m_pImage->m_hModule) { // If the handle is the module we are currently ngening, we will // assume that Module is the very first thing in the preload section *ppIndirection = NULL; return (CORINFO_MODULE_HANDLE)m_pImage->m_pPreloadSections[CORCOMPILE_SECTION_MODULE]; } *ppIndirection = m_pImage->GetImportTable()->GetModuleHandleImport(handle); } else { ZapImport * pImport = m_pImage->GetImportTable()->GetModuleHandleImport(handle); AppendConditionalImport(pImport); *ppIndirection = pImport; } return NULL; } // // The following functions indicate whether a handle can be directly embedded into // the code being compiled, or if it needs to be accessed with a (fixable) indirection. // Embeddable handles are those that will be persisted in the zap image. // // These functions are gradually being all moved across to ceeload.cpp and compile.cpp. // CORINFO_CLASS_HANDLE ZapInfo::embedClassHandle(CORINFO_CLASS_HANDLE handle, void **ppIndirection) { _ASSERTE(ppIndirection != NULL); if (IsReadyToRunCompilation()) { _ASSERTE(!"embedClassHandle"); ThrowHR(E_NOTIMPL); } m_pImage->m_pPreloader->AddTypeToTransitiveClosureOfInstantiations(handle); BOOL fHardbound = m_pImage->m_pPreloader->CanEmbedClassHandle(handle); if (fHardbound) { CORINFO_MODULE_HANDLE moduleHandle = m_pEECompileInfo->GetLoaderModuleForEmbeddableType(handle); if (moduleHandle == m_pImage->m_hModule) { // If the handle is the module we are currently ngening, we can // embed it after its resolved. So use a deferred reloc *ppIndirection = NULL; return CORINFO_CLASS_HANDLE(m_pImage->GetWrappers()->GetClassHandle(handle)); } *ppIndirection = m_pImage->GetImportTable()->GetClassHandleImport(handle); } else { ZapImport * pImport = m_pImage->GetImportTable()->GetClassHandleImport(handle); AppendConditionalImport(pImport); *ppIndirection = pImport; } return NULL; } CORINFO_FIELD_HANDLE ZapInfo::embedFieldHandle(CORINFO_FIELD_HANDLE handle, void **ppIndirection) { _ASSERTE(ppIndirection != NULL); if (IsReadyToRunCompilation()) { _ASSERTE(!"embedFieldHandle"); ThrowHR(E_NOTIMPL); } m_pImage->m_pPreloader->AddTypeToTransitiveClosureOfInstantiations(m_pEEJitInfo->getFieldClass(handle)); BOOL fHardbound = m_pImage->m_pPreloader->CanEmbedFieldHandle(handle); if (fHardbound) { CORINFO_MODULE_HANDLE moduleHandle = m_pEECompileInfo->GetLoaderModuleForEmbeddableField(handle); if (moduleHandle == m_pImage->m_hModule) { // If the handle is the module we are currently ngening, we can // embed it after its resolved. So use a deferred reloc *ppIndirection = NULL; return CORINFO_FIELD_HANDLE(m_pImage->GetWrappers()->GetFieldHandle(handle)); } } ZapImport * pImport = m_pImage->GetImportTable()->GetFieldHandleImport(handle); AppendConditionalImport(pImport); *ppIndirection = pImport; return NULL; } CORINFO_METHOD_HANDLE ZapInfo::embedMethodHandle(CORINFO_METHOD_HANDLE handle, void **ppIndirection) { _ASSERTE(ppIndirection != NULL); if (IsReadyToRunCompilation()) { // READYTORUN FUTURE: Handle this case correctly ThrowHR(E_NOTIMPL); } CORINFO_MODULE_HANDLE moduleHandle = m_pEECompileInfo->GetLoaderModuleForEmbeddableMethod(handle); if (moduleHandle == m_pImage->m_hModule && m_pImage->m_pPreloader->CanEmbedMethodHandle(handle, m_currentMethodHandle)) { // If the handle is the module we are currently ngening, we can // embed it after its resolved. So use a deferred reloc *ppIndirection = NULL; return CORINFO_METHOD_HANDLE(m_pImage->GetWrappers()->GetMethodHandle(handle)); } ZapImport * pImport = m_pImage->GetImportTable()->GetMethodHandleImport(handle); AppendConditionalImport(pImport); *ppIndirection = pImport; return NULL; } CORINFO_CLASS_HANDLE ZapInfo::getTokenTypeAsHandle(CORINFO_RESOLVED_TOKEN * pResolvedToken) { return m_pEEJitInfo->getTokenTypeAsHandle(pResolvedToken); } CORINFO_LOOKUP_KIND ZapInfo::getLocationOfThisType(CORINFO_METHOD_HANDLE context) { return m_pEEJitInfo->getLocationOfThisType(context); } void ZapInfo::embedGenericHandle(CORINFO_RESOLVED_TOKEN * pResolvedToken, BOOL fEmbedParent, CORINFO_GENERICHANDLE_RESULT *pResult) { _ASSERTE(pResult); m_pEEJitInfo->embedGenericHandle( pResolvedToken, fEmbedParent, pResult); _ASSERTE(pResult->compileTimeHandle); if (pResult->lookup.lookupKind.needsRuntimeLookup) { if (!IsReadyToRunCompilation()) embedGenericSignature(&pResult->lookup); if (pResult->handleType == CORINFO_HANDLETYPE_METHOD) { // There is no easy way to detect method referenced via generic lookups in generated code. // Report this method reference unconditionally. m_pImage->m_pPreloader->MethodReferencedByCompiledCode((CORINFO_METHOD_HANDLE)pResult->compileTimeHandle); } } else { void *pIndirection = 0; CORINFO_GENERIC_HANDLE handle = 0; switch (pResult->handleType) { case CORINFO_HANDLETYPE_CLASS: if (IsReadyToRunCompilation()) { ZapImport * pImport = m_pImage->GetImportTable()->GetClassImport(ENCODE_TYPE_HANDLE, pResolvedToken); AppendConditionalImport(pImport); pIndirection = pImport; handle = NULL; } else { CORINFO_CLASS_HANDLE clsHnd = (CORINFO_CLASS_HANDLE) pResult->compileTimeHandle; handle = CORINFO_GENERIC_HANDLE(embedClassHandle(clsHnd, &pIndirection)); } break; case CORINFO_HANDLETYPE_METHOD: if (IsReadyToRunCompilation()) { ZapImport * pImport = m_pImage->GetImportTable()->GetMethodImport(ENCODE_METHOD_HANDLE, (CORINFO_METHOD_HANDLE)pResult->compileTimeHandle, pResolvedToken); AppendConditionalImport(pImport); pIndirection = pImport; handle = NULL; } else { CORINFO_METHOD_HANDLE methHnd = (CORINFO_METHOD_HANDLE) pResult->compileTimeHandle; handle = CORINFO_GENERIC_HANDLE(embedMethodHandle(methHnd, &pIndirection)); } break; case CORINFO_HANDLETYPE_FIELD: if (IsReadyToRunCompilation()) { ZapImport * pImport = m_pImage->GetImportTable()->GetFieldImport(ENCODE_FIELD_HANDLE, (CORINFO_FIELD_HANDLE)pResult->compileTimeHandle, pResolvedToken); AppendConditionalImport(pImport); pIndirection = pImport; handle = NULL; } else { CORINFO_FIELD_HANDLE fldHnd = (CORINFO_FIELD_HANDLE) pResult->compileTimeHandle; handle = CORINFO_GENERIC_HANDLE(embedFieldHandle(fldHnd, &pIndirection)); } break; default: ThrowHR(COR_E_BADIMAGEFORMAT, BFA_INVALID_TOKEN_TYPE); } if (handle) { pResult->lookup.constLookup.accessType = IAT_VALUE; pResult->lookup.constLookup.handle = CORINFO_GENERIC_HANDLE(handle); } else { pResult->lookup.constLookup.accessType = IAT_PVALUE; pResult->lookup.constLookup.addr = pIndirection; } } } void ZapInfo::embedGenericSignature(CORINFO_LOOKUP * pLookup) { _ASSERTE(pLookup->lookupKind.needsRuntimeLookup); if (IsReadyToRunCompilation()) { UNREACHABLE_MSG("We should never get here for the ReadyToRun compilation."); ThrowHR(E_NOTIMPL); } if (pLookup->runtimeLookup.signature != NULL) { pLookup->runtimeLookup.signature = m_pImage->GetImportTable()->GetGenericSignature( pLookup->runtimeLookup.signature, pLookup->lookupKind.runtimeLookupKind == CORINFO_LOOKUP_METHODPARAM); } } void* ZapInfo::getTailCallCopyArgsThunk ( CORINFO_SIG_INFO *pSig, CorInfoHelperTailCallSpecialHandling flags) { void * pStub = m_pEEJitInfo->getTailCallCopyArgsThunk(pSig, flags); if (pStub == NULL) return NULL; return m_pImage->GetWrappers()->GetStub(pStub); } #ifdef FEATURE_READYTORUN_COMPILER ReadyToRunHelper MapReadyToRunHelper(CorInfoHelpFunc func, bool * pfOptimizeForSize) { switch (func) { #define OPTIMIZEFORSIZE *pfOptimizeForSize = true; #define HELPER(readyToRunHelper, corInfoHelpFunc, flags) \ case corInfoHelpFunc: flags return readyToRunHelper; #include "readytorunhelpers.h" case CORINFO_HELP_STRCNS_CURRENT_MODULE: *pfOptimizeForSize = true; return READYTORUN_HELPER_GetString; default: return READYTORUN_HELPER_Invalid; } } #endif // FEATURE_READYTORUN_COMPILER void * ZapInfo::getHelperFtn (CorInfoHelpFunc ftnNum, void **ppIndirection) { _ASSERTE(ppIndirection != NULL); *ppIndirection = NULL; #ifdef FEATURE_READYTORUN_COMPILER if (IsReadyToRunCompilation()) { bool fOptimizeForSize = false; ReadyToRunHelper helperNum = MapReadyToRunHelper(ftnNum, &fOptimizeForSize); if (helperNum == READYTORUN_HELPER_Invalid) { m_zapper->Warning(W("ReadyToRun: JIT helper not supported: %S\n"), m_pEEJitInfo->getHelperName(ftnNum)); ThrowHR(E_NOTIMPL); } if (fOptimizeForSize) { *ppIndirection = NULL; return m_pImage->GetImportTable()->GetIndirectHelperThunk(helperNum); } else { *ppIndirection = m_pImage->GetImportTable()->GetHelperImport(helperNum); return NULL; } } #endif DWORD dwHelper = ftnNum; switch (ftnNum) { case CORINFO_HELP_PROF_FCN_ENTER: *ppIndirection = m_pImage->GetInnerPtr(GetProfilingHandleImport(), kZapProfilingHandleImportValueIndexEnterAddr * sizeof(TADDR)); return NULL; case CORINFO_HELP_PROF_FCN_LEAVE: *ppIndirection = m_pImage->GetInnerPtr(GetProfilingHandleImport(), kZapProfilingHandleImportValueIndexLeaveAddr * sizeof(TADDR)); return NULL; case CORINFO_HELP_PROF_FCN_TAILCALL: *ppIndirection = m_pImage->GetInnerPtr(GetProfilingHandleImport(), kZapProfilingHandleImportValueIndexTailcallAddr * sizeof(TADDR)); return NULL; #ifdef _TARGET_AMD64_ case CORINFO_HELP_STOP_FOR_GC: // Force all calls in ngen images for this helper to use an indirect call. // We cannot use a jump stub to reach this helper because // the RAX register can contain a return value. dwHelper |= CORCOMPILE_HELPER_PTR; break; #endif default: break; } if (m_pImage->m_pHelperThunks[ftnNum] == NULL) { ZapNode * pHelperThunk; if (ftnNum == CORINFO_HELP_STRCNS_CURRENT_MODULE) { pHelperThunk = new (m_pImage->GetHeap()) ZapLazyHelperThunk(CORINFO_HELP_STRCNS); } else { pHelperThunk = new (m_pImage->GetHeap()) ZapHelperThunk(dwHelper); } #if defined(_TARGET_ARM_) if ((dwHelper & CORCOMPILE_HELPER_PTR) == 0) pHelperThunk = m_pImage->GetInnerPtr(pHelperThunk, THUMB_CODE); #endif m_pImage->m_pHelperThunks[ftnNum] = pHelperThunk; } void * ptr = m_pImage->m_pHelperThunks[ftnNum]; if (dwHelper & CORCOMPILE_HELPER_PTR) { *ppIndirection = ptr; return NULL; } return ptr; } ULONG ZapInfo::GetNumFixups() { return m_Imports.GetCount(); } void ZapInfo::AppendConditionalImport(ZapImport * pImport) { if (m_ImportSet.LookupPtr(pImport) != NULL) return; ImportEntry entry; entry.pImport = pImport; entry.fConditional = true; m_ImportSet.Add(entry); } void ZapInfo::AppendImport(ZapImport * pImport) { const ImportEntry * pExistingEntry = m_ImportSet.LookupPtr(pImport); if (pExistingEntry != NULL) { if (!pExistingEntry->fConditional) return; const_cast(pExistingEntry)->fConditional = false; } else { ImportEntry entry; entry.pImport = pImport; entry.fConditional = false; m_ImportSet.Add(entry); } m_Imports.Append(pImport); } // // This function indicates whether a method entry point be directly embedded into // the code being compiled, or if we can use a (fixable) cross module thunk. // If we can't use either of these then we return NULL and we will use an // (fixable) indirection cell to perform the call. // PVOID ZapInfo::embedDirectCall(CORINFO_METHOD_HANDLE ftn, CORINFO_ACCESS_FLAGS accessFlags, BOOL fAllowThunk) { if (!m_pImage->m_pPreloader->CanEmbedFunctionEntryPoint(ftn, m_currentMethodHandle, accessFlags)) { return NULL; } ZapNode * pEntryPointOrThunkToEmbed = NULL; // // If it's in the same module then we can call it directly // CORINFO_MODULE_HANDLE moduleHandle = m_pEECompileInfo->GetLoaderModuleForEmbeddableMethod(ftn); if (moduleHandle == m_pImage->m_hModule && m_pImage->m_pPreloader->CanEmbedMethodHandle(ftn, m_currentMethodHandle)) { pEntryPointOrThunkToEmbed = m_pImage->m_pMethodEntryPoints->GetMethodEntryPoint(ftn, accessFlags); } else // otherwise we are calling into an external module { if (!fAllowThunk) { return NULL; } pEntryPointOrThunkToEmbed = m_pImage->GetImportTable()->GetExternalMethodThunk(ftn); } #ifdef _TARGET_ARM_ pEntryPointOrThunkToEmbed = m_pImage->GetInnerPtr(pEntryPointOrThunkToEmbed, THUMB_CODE); #endif return pEntryPointOrThunkToEmbed; } void ZapInfo::getFunctionEntryPoint( CORINFO_METHOD_HANDLE ftn, /* IN */ CORINFO_CONST_LOOKUP * pResult, /* OUT */ CORINFO_ACCESS_FLAGS accessFlags/*=CORINFO_ACCESS_ANY*/) { if (IsReadyToRunCompilation()) { // READYTORUN: FUTURE: JIT still calls this for tail. and jmp instructions m_zapper->Warning(W("ReadyToRun: Method entrypoint cannot be encoded\n")); ThrowHR(E_NOTIMPL); } // Must deal with methods that are methodImpl'd within their own type. ftn = mapMethodDeclToMethodImpl(ftn); m_pImage->m_pPreloader->AddMethodToTransitiveClosureOfInstantiations(ftn); void * entryPointOrThunkToEmbed = embedDirectCall(ftn, accessFlags, TRUE); if (entryPointOrThunkToEmbed != NULL) { pResult->accessType = IAT_VALUE; pResult->addr = entryPointOrThunkToEmbed; } else { ZapImport * pImport = m_pImage->GetImportTable()->GetFunctionEntryImport(ftn); AppendConditionalImport(pImport); // Tell the JIT to use an indirections pResult->accessType = IAT_PVALUE; pResult->addr = pImport; } } void ZapInfo::getFunctionFixedEntryPoint(CORINFO_METHOD_HANDLE ftn, CORINFO_CONST_LOOKUP * pResult) { _ASSERTE(pResult); m_pImage->m_pPreloader->AddMethodToTransitiveClosureOfInstantiations(ftn); // We can only embed entrypoints from the module being NGened since we do not support mapping of external // import thunks to MethodDesc. It should be ok since the delegate targets are typically from the same module. void * entryPointToEmbed = embedDirectCall(ftn, CORINFO_ACCESS_ANY, FALSE); if (entryPointToEmbed != NULL) { pResult->accessType = IAT_VALUE; pResult->addr = entryPointToEmbed; } else { ZapImport * pImport = m_pImage->GetImportTable()->GetFunctionEntryImport(ftn); AppendConditionalImport(pImport); pResult->accessType = IAT_PVALUE; pResult->addr = pImport; } } void * ZapInfo::getMethodSync(CORINFO_METHOD_HANDLE ftn, void **ppIndirection) { _ASSERTE(ppIndirection != NULL); CORINFO_CLASS_HANDLE classHandle = getMethodClass(ftn); ZapImport * pImport = m_pImage->GetImportTable()->GetSyncLockImport(classHandle); AppendConditionalImport(pImport); *ppIndirection = pImport; return NULL; } void * ZapInfo::getPInvokeUnmanagedTarget(CORINFO_METHOD_HANDLE method, void **ppIndirection) { // We will never be able to return this directly in prejit mode. _ASSERTE(ppIndirection != NULL); *ppIndirection = NULL; return NULL; } void * ZapInfo::getAddressOfPInvokeFixup(CORINFO_METHOD_HANDLE method,void **ppIndirection) { _ASSERTE(ppIndirection != NULL); m_pImage->m_pPreloader->AddMethodToTransitiveClosureOfInstantiations(method); CORINFO_MODULE_HANDLE moduleHandle = m_pEECompileInfo->GetLoaderModuleForEmbeddableMethod(method); if (moduleHandle == m_pImage->m_hModule && m_pImage->m_pPreloader->CanEmbedMethodHandle(method, m_currentMethodHandle)) { *ppIndirection = NULL; return PVOID(m_pImage->GetWrappers()->GetAddrOfPInvokeFixup(method)); } // // Note we could a fixup to a direct call site, rather than to // the indirection. This would saves us an extra indirection, but changes the // semantics slightly (so that the pinvoke will be bound when the calling // method is first run, not at the exact moment of the first pinvoke.) // ZapImport * pImport = m_pImage->GetImportTable()->GetIndirectPInvokeTargetImport(method); AppendConditionalImport(pImport); *ppIndirection = pImport; return NULL; } void ZapInfo::getAddressOfPInvokeTarget(CORINFO_METHOD_HANDLE method, CORINFO_CONST_LOOKUP *pLookup) { _ASSERTE(pLookup != NULL); void * pIndirection; void * pResult = getAddressOfPInvokeFixup(method, &pIndirection); if (pResult != NULL) { pLookup->accessType = IAT_PVALUE; pLookup->addr = pResult; return; } pLookup->accessType = IAT_PPVALUE; pLookup->addr = pIndirection; } CORINFO_JUST_MY_CODE_HANDLE ZapInfo::getJustMyCodeHandle( CORINFO_METHOD_HANDLE method, CORINFO_JUST_MY_CODE_HANDLE **ppIndirection) { _ASSERTE(ppIndirection != NULL); if (IsReadyToRunCompilation()) { *ppIndirection = NULL; return NULL; } *ppIndirection = (CORINFO_JUST_MY_CODE_HANDLE *)m_pImage->GetInnerPtr(m_pImage->m_pEEInfoTable, offsetof(CORCOMPILE_EE_INFO_TABLE, addrOfJMCFlag)); return NULL; } ZapImport * ZapInfo::GetProfilingHandleImport() { if (m_pProfilingHandle == NULL) { ZapImport * pImport = m_pImage->GetImportTable()->GetProfilingHandleImport(m_currentMethodHandle); AppendImport(pImport); m_pProfilingHandle = pImport; } return m_pProfilingHandle; } void ZapInfo::GetProfilingHandle(BOOL *pbHookFunction, void **pProfilerHandle, BOOL *pbIndirectedHandles) { // // Return the location within the fixup table // // Profiling handle is opaque token. It does not have to be aligned thus we can not store it in the same location as token. // *pProfilerHandle = m_pImage->GetInnerPtr(GetProfilingHandleImport(), kZapProfilingHandleImportValueIndexClientData * sizeof(TADDR)); // All functions get hooked in ngen /Profile *pbHookFunction = TRUE; // // This is the NGEN case, where we always do indirection on the handle so we can fix it up at load time. // *pbIndirectedHandles = TRUE; } //return a callable stub that will do the virtual or interface call void ZapInfo::getCallInfo(CORINFO_RESOLVED_TOKEN * pResolvedToken, CORINFO_RESOLVED_TOKEN * pConstrainedResolvedToken, CORINFO_METHOD_HANDLE callerHandle, CORINFO_CALLINFO_FLAGS flags, CORINFO_CALL_INFO *pResult) { void * pTarget = NULL; _ASSERTE(pResult); // Fill in the kind of the virtual call. // We set kindOnly=true since we don't want the EE to actually give us // a call stub - instead we want to generate an indirection ourselves. m_pEEJitInfo->getCallInfo(pResolvedToken, pConstrainedResolvedToken, callerHandle, /* REVISIT_TODO * Addition of this flag. */ (CORINFO_CALLINFO_FLAGS)(flags | CORINFO_CALLINFO_KINDONLY), pResult); #ifdef FEATURE_READYTORUN_COMPILER if (IsReadyToRunCompilation()) { if (pResult->sig.isVarArg()) { m_zapper->Warning(W("ReadyToRun: VarArg methods not supported\n")); ThrowHR(E_NOTIMPL); } if (pResult->accessAllowed != CORINFO_ACCESS_ALLOWED) { m_zapper->Warning(W("ReadyToRun: Runtime method access checks not supported\n")); ThrowHR(E_NOTIMPL); } if (pResult->methodFlags & CORINFO_FLG_SECURITYCHECK) { m_zapper->Warning(W("ReadyToRun: Methods with security checks not supported\n")); ThrowHR(E_NOTIMPL); } if (GetCompileInfo()->IsNativeCallableMethod(pResult->hMethod)) { m_zapper->Warning(W("ReadyToRun: References to methods with NativeCallableAttribute not supported\n")); ThrowHR(E_NOTIMPL); } } #endif if (flags & CORINFO_CALLINFO_KINDONLY) return; if (IsReadyToRunCompilation()) { if (pResult->thisTransform == CORINFO_BOX_THIS) { // READYTORUN: FUTURE: Optionally create boxing stub at runtime m_zapper->Warning(W("ReadyToRun: Implicit boxing for calls to constrained methods not supported\n")); ThrowHR(E_NOTIMPL); } } // OK, if the EE said we're not doing a stub dispatch then just return the kind to // the caller. No other kinds of virtual calls have extra information attached. switch (pResult->kind) { case CORINFO_VIRTUALCALL_STUB: { if (pResult->stubLookup.lookupKind.needsRuntimeLookup) { if (!IsReadyToRunCompilation()) embedGenericSignature(&pResult->stubLookup); return; } #ifdef FEATURE_READYTORUN_COMPILER if (IsReadyToRunCompilation()) { ZapImport * pImport = m_pImage->GetImportTable()->GetStubDispatchCell(pResolvedToken); pResult->stubLookup.constLookup.accessType = IAT_PVALUE; pResult->stubLookup.constLookup.addr = pImport; break; } #endif CORINFO_CLASS_HANDLE calleeOwner = pResolvedToken->hClass; CORINFO_METHOD_HANDLE callee = pResolvedToken->hMethod; _ASSERTE(callee == pResult->hMethod); // // Create the indirection cell // pTarget = m_pImage->GetImportTable()->GetStubDispatchCell(calleeOwner, callee); pResult->stubLookup.constLookup.accessType = IAT_PVALUE; pResult->stubLookup.constLookup.addr = pTarget; } break; case CORINFO_CALL_CODE_POINTER: _ASSERTE(pResult->codePointerLookup.lookupKind.needsRuntimeLookup); if (!IsReadyToRunCompilation()) embedGenericSignature(&pResult->codePointerLookup); // There is no easy way to detect method referenced via generic lookups in generated code. // Report this method reference unconditionally. m_pImage->m_pPreloader->MethodReferencedByCompiledCode(pResult->hMethod); return; case CORINFO_CALL: #ifdef FEATURE_READYTORUN_COMPILER if (IsReadyToRunCompilation()) { // Constrained token is not interesting with this transforms if (pResult->thisTransform != CORINFO_NO_THIS_TRANSFORM) pConstrainedResolvedToken = NULL; ZapImport * pImport; if (flags & (CORINFO_CALLINFO_LDFTN | CORINFO_CALLINFO_ATYPICAL_CALLSITE)) { pImport = m_pImage->GetImportTable()->GetMethodImport(ENCODE_METHOD_ENTRY, pResult->hMethod, pResolvedToken, pConstrainedResolvedToken); AppendConditionalImport(pImport); } else { pImport = m_pImage->GetImportTable()->GetExternalMethodCell(pResult->hMethod, pResolvedToken, pConstrainedResolvedToken); } // READYTORUN: FUTURE: Direct calls if possible pResult->codePointerLookup.constLookup.accessType = IAT_PVALUE; pResult->codePointerLookup.constLookup.addr = pImport; } #endif break; case CORINFO_VIRTUALCALL_VTABLE: _ASSERTE(!IsReadyToRunCompilation()); break; case CORINFO_VIRTUALCALL_LDVIRTFTN: #ifdef FEATURE_READYTORUN_COMPILER if (IsReadyToRunCompilation() && !pResult->exactContextNeedsRuntimeLookup) { DWORD fAtypicalCallsite = (flags & CORINFO_CALLINFO_ATYPICAL_CALLSITE) ? CORINFO_HELP_READYTORUN_ATYPICAL_CALLSITE : 0; ZapImport * pImport = m_pImage->GetImportTable()->GetDynamicHelperCell( (CORCOMPILE_FIXUP_BLOB_KIND)(ENCODE_VIRTUAL_ENTRY | fAtypicalCallsite), pResult->hMethod, pResolvedToken); pResult->codePointerLookup.constLookup.accessType = IAT_PVALUE; pResult->codePointerLookup.constLookup.addr = pImport; _ASSERTE(!pResult->sig.hasTypeArg()); } #endif // Include the declaring instantiation of virtual generic methods in the NGen image. m_pImage->m_pPreloader->AddMethodToTransitiveClosureOfInstantiations(pResult->hMethod); break; default: _ASSERTE(!"Unknown call type"); break; } #ifdef FEATURE_READYTORUN_COMPILER if (IsReadyToRunCompilation() && pResult->sig.hasTypeArg()) { if (pResult->exactContextNeedsRuntimeLookup) { // Nothing to do... The generic handle lookup gets embedded in to the codegen // during the jitting of the call. // (Note: The generic lookup in R2R is performed by a call to a helper at runtime, not by // codegen emitted at crossgen time) } else { ZapImport * pImport; if (((SIZE_T)pResult->contextHandle & CORINFO_CONTEXTFLAGS_MASK) == CORINFO_CONTEXTFLAGS_METHOD) { CORINFO_METHOD_HANDLE exactMethodHandle = (CORINFO_METHOD_HANDLE)((SIZE_T)pResult->contextHandle & ~CORINFO_CONTEXTFLAGS_MASK); pImport = m_pImage->GetImportTable()->GetMethodImport(ENCODE_METHOD_DICTIONARY, exactMethodHandle, pResolvedToken, pConstrainedResolvedToken); } else { pImport = m_pImage->GetImportTable()->GetClassImport(ENCODE_TYPE_DICTIONARY, (pConstrainedResolvedToken != NULL) ? pConstrainedResolvedToken : pResolvedToken); } pResult->instParamLookup.accessType = IAT_PVALUE; pResult->instParamLookup.addr = pImport; AppendConditionalImport(pImport); } } #endif } BOOL ZapInfo::canAccessFamily(CORINFO_METHOD_HANDLE hCaller, CORINFO_CLASS_HANDLE hInstanceType) { return m_pEEJitInfo->canAccessFamily(hCaller, hInstanceType); } BOOL ZapInfo::isRIDClassDomainID (CORINFO_CLASS_HANDLE cls) { return m_pEEJitInfo->isRIDClassDomainID(cls); } unsigned ZapInfo::getClassDomainID (CORINFO_CLASS_HANDLE cls, void **ppIndirection) { _ASSERTE(ppIndirection != NULL); m_pImage->m_pPreloader->AddTypeToTransitiveClosureOfInstantiations(cls); if (!m_zapper->m_pOpt->m_compilerFlags.IsSet(CORJIT_FLAGS::CORJIT_FLAG_DEBUG_CODE)) { if (isRIDClassDomainID(cls)) { // Token is invariant to loading order, so we can go ahead and use it // Ensure that 'cls' gets added to CORCOMPILE_LOAD_TABLE, unless // someone else adds some other type of fixup for 'cls'. m_ClassLoadTable.Load(cls, FALSE); return m_pEEJitInfo->getClassDomainID(cls, ppIndirection); } if (m_pImage->m_pPreloader->CanEmbedClassID(cls)) { // Ensure that 'cls' gets added to CORCOMPILE_LOAD_TABLE, unless // someone else adds some other type of fixup for 'cls'. m_ClassLoadTable.Load(cls, FALSE); return m_pEEJitInfo->getClassDomainID(cls, ppIndirection); } } // We will have to insert a fixup ZapImport * pImport = m_pImage->GetImportTable()->GetClassDomainIdImport(cls); AppendConditionalImport(pImport); *ppIndirection = pImport; return NULL; } void * ZapInfo::getFieldAddress(CORINFO_FIELD_HANDLE field, void **ppIndirection) { _ASSERTE(ppIndirection != NULL); CORINFO_CLASS_HANDLE hClass = m_pEEJitInfo->getFieldClass(field); m_pImage->m_pPreloader->AddTypeToTransitiveClosureOfInstantiations(hClass); ZapImport * pImport = m_pImage->GetImportTable()->GetStaticFieldAddressImport(field); AppendConditionalImport(pImport); // Field address is not aligned thus we can not store it in the same location as token. *ppIndirection = m_pImage->GetInnerPtr(pImport, sizeof(TADDR)); return NULL; } DWORD ZapInfo::getFieldThreadLocalStoreID(CORINFO_FIELD_HANDLE field, void **ppIndirection) { _ASSERTE(ppIndirection != NULL); *ppIndirection = m_pImage->GetInnerPtr(m_pImage->m_pEEInfoTable, offsetof(CORCOMPILE_EE_INFO_TABLE, rvaStaticTlsIndex)); return NULL; } CORINFO_VARARGS_HANDLE ZapInfo::getVarArgsHandle(CORINFO_SIG_INFO *sig, void **ppIndirection) { _ASSERTE(ppIndirection != NULL); // Zapper does not support embedding these as they are created dynamically if (sig->scope != m_pImage->m_hModule || sig->token == mdTokenNil) { _ASSERTE(!"Don't have enough info to be able to create a sig token."); *ppIndirection = NULL; return NULL; } // @perf: If the sig cookie construction code actually will restore the value types in // the sig, we should call LoadClass on all of those types to avoid redundant // restore cookies. ZapImport * pImport = m_pImage->GetImportTable()->GetVarArgImport(sig->scope, sig->token); AppendConditionalImport(pImport); *ppIndirection = pImport; return NULL; } bool ZapInfo::canGetVarArgsHandle(CORINFO_SIG_INFO *sig) { // Zapper does not support embedding these as they are created dynamically if (sig->scope != m_pImage->m_hModule || sig->token == mdTokenNil) { return false; } return true; } void ZapInfo::setOverride(ICorDynamicInfo *pOverride, CORINFO_METHOD_HANDLE currentMethod) { UNREACHABLE(); } void ZapInfo::addActiveDependency(CORINFO_MODULE_HANDLE moduleFrom, CORINFO_MODULE_HANDLE moduleTo) { if (IsReadyToRunCompilation()) return; _ASSERT(moduleFrom != moduleTo); if (m_pImage->m_pPreloader->CanSkipDependencyActivation(m_currentMethodHandle, moduleFrom, moduleTo)) { // No need to add dependency fixup since we will have an unconditional dependency // already } else if (!GetCompileInfo()->IsInCurrentVersionBubble(moduleTo)) { } else { ZapImport * pImport = m_pImage->GetImportTable()->GetActiveDependencyImport(moduleFrom, moduleTo); AppendImport(pImport); CORINFO_DEPENDENCY dep; dep.moduleFrom = moduleFrom; dep.moduleTo = moduleTo; } } InfoAccessType ZapInfo::constructStringLiteral(CORINFO_MODULE_HANDLE tokenScope, unsigned metaTok, void **ppValue) { if (m_pEECompileInfo->IsEmptyString(metaTok, tokenScope)) { return emptyStringLiteral(ppValue); } ZapImport * pImport = m_pImage->GetImportTable()->GetStringHandleImport(tokenScope, metaTok); AppendConditionalImport(pImport); *ppValue = pImport; return IAT_PPVALUE; } InfoAccessType ZapInfo::emptyStringLiteral(void **ppValue) { #ifdef FEATURE_READYTORUN_COMPILER if (IsReadyToRunCompilation()) { ZapImport * pImport = m_pImage->GetImportTable()->GetStringHandleImport(m_pImage->m_hModule, mdtString); *ppValue = pImport; return IAT_PPVALUE; } #endif *ppValue = m_pImage->GetInnerPtr(m_pImage->m_pEEInfoTable, offsetof(CORCOMPILE_EE_INFO_TABLE, emptyString)); return IAT_PPVALUE; } void ZapInfo::recordCallSite(ULONG instrOffset, CORINFO_SIG_INFO *callSig, CORINFO_METHOD_HANDLE methodHandle) { return; } void ZapInfo::recordRelocation(void *location, void *target, WORD fRelocType, WORD slotNum, INT32 addlDelta) { // Factor slotNum into the location address switch (fRelocType) { case IMAGE_REL_BASED_ABSOLUTE: case IMAGE_REL_BASED_PTR: #if defined(_TARGET_X86_) || defined(_TARGET_AMD64_) case IMAGE_REL_BASED_REL32: #endif // _TARGET_X86_ || _TARGET_AMD64_ location = (PBYTE)location + slotNum; break; #if defined(_TARGET_ARM_) case IMAGE_REL_BASED_THUMB_MOV32: case IMAGE_REL_BASED_THUMB_BRANCH24: break; #endif #if defined(_TARGET_ARM64_) case IMAGE_REL_ARM64_BRANCH26: case IMAGE_REL_ARM64_PAGEBASE_REL21: case IMAGE_REL_ARM64_PAGEOFFSET_12A: break; #endif default: _ASSERTE(!"Unknown reloc type"); break; } ZapBlobWithRelocs * knownNodes[] = { m_pCode, m_pColdCode, m_pROData, m_pProfileData }; // // The location of the relocation reported by the JIT has to fall into one of the code or data blobs // CodeRelocation r; ZapBlobWithRelocs * pSrcNode = NULL; for (size_t i = 0; i < _countof(knownNodes); i++) { ZapBlobWithRelocs * pNode = knownNodes[i]; if (pNode == NULL) continue; if (pNode->GetData() <= location && location < pNode->GetData() + pNode->GetSize()) { pSrcNode = pNode; break; } } PREFIX_ASSUME(pSrcNode != NULL); r.m_pNode = pSrcNode; r.m_offset = (DWORD)((PBYTE)location - (PBYTE)pSrcNode->GetData()); // // The target of the relocation reported by the JIT can be one of: // - Inner pointer into into one of the code or data blobs. We can detect this case by searching // through the blobs. // - Hardbound target. We can detect this case by searching through all hardbound assemblies. // - Otherwise, it has to be ZapNode *. // ZapNode * pTargetNode = NULL; INT32 targetOffset = 0; for (size_t i = 0; i < _countof(knownNodes); i++) { ZapBlobWithRelocs * pNode = knownNodes[i]; if (pNode == NULL) continue; if (pNode->GetData() <= target && target < pNode->GetData() + pNode->GetSize()) { pTargetNode = pNode; targetOffset = (INT32)((PBYTE)target - (PBYTE)pNode->GetData()); break; } } if (pTargetNode != NULL) { r.m_pTargetNode = pTargetNode; } else { // Must be ZapNode otherwise pTargetNode = (ZapNode *)target; _ASSERTE(pTargetNode->GetType() != ZapNodeType_Unknown); r.m_pTargetNode = pTargetNode; } r.m_type = (ZapRelocationType)fRelocType; switch (fRelocType) { case IMAGE_REL_BASED_ABSOLUTE: *(UNALIGNED DWORD *)location = (DWORD)targetOffset; break; case IMAGE_REL_BASED_PTR: *(UNALIGNED TADDR *)location = (TADDR)targetOffset; break; #if defined(_TARGET_X86_) || defined(_TARGET_AMD64_) case IMAGE_REL_BASED_REL32: *(UNALIGNED INT32 *)location = targetOffset + addlDelta; break; #endif // _TARGET_X86_ || _TARGET_AMD64_ #if defined(_TARGET_ARM_) case IMAGE_REL_BASED_THUMB_MOV32: PutThumb2Mov32((UINT16 *)location, targetOffset); break; case IMAGE_REL_BASED_THUMB_BRANCH24: if (!FitsInThumb2BlRel24(targetOffset)) ThrowHR(COR_E_OVERFLOW); PutThumb2BlRel24((UINT16 *)location, targetOffset); break; #endif #if defined(_TARGET_ARM64_) case IMAGE_REL_ARM64_BRANCH26: if (!FitsInRel28(targetOffset)) ThrowHR(COR_E_OVERFLOW); PutArm64Rel28((UINT32 *)location, targetOffset); break; case IMAGE_REL_ARM64_PAGEBASE_REL21: if (!FitsInRel21(targetOffset)) ThrowHR(COR_E_OVERFLOW); PutArm64Rel21((UINT32 *)location, targetOffset); break; case IMAGE_REL_ARM64_PAGEOFFSET_12A: if (!FitsInRel12(targetOffset)) ThrowHR(COR_E_OVERFLOW); PutArm64Rel12((UINT32 *)location, targetOffset); break; #endif default: _ASSERTE(!"Unknown reloc type"); break; } if (m_CodeRelocations.IsEmpty()) { SIZE_T totalCodeSize = m_pCode->GetSize() + ((m_pColdCode != NULL) ? m_pColdCode->GetSize() : 0); // Prealocate relocations (assume that every other pointer may need relocation) COUNT_T nEstimatedRelocations = (COUNT_T)(totalCodeSize / (2 * sizeof(TADDR))); if (nEstimatedRelocations > 1) m_CodeRelocations.Preallocate(nEstimatedRelocations); } m_CodeRelocations.Append(r); } WORD ZapInfo::getRelocTypeHint(void * target) { #ifdef _TARGET_AMD64_ // There should be no external pointers return IMAGE_REL_BASED_REL32; #elif defined(_TARGET_ARM_) // Use full 32-bit branch targets when retrying compilation on ARM if (m_zapper->m_pOpt->m_fNGenLastRetry) return (WORD)-1; return IMAGE_REL_BASED_THUMB_BRANCH24; #elif defined(_TARGET_ARM64_) return IMAGE_REL_ARM64_BRANCH26; #else // No hints return (WORD)-1; #endif } void ZapInfo::getModuleNativeEntryPointRange(void** pStart, void** pEnd) { ULONG rvaStart, rvaEnd; // Initialize outparams to default range of (0,0). *pStart = 0; *pEnd = 0; } DWORD ZapInfo::getExpectedTargetArchitecture() { return IMAGE_FILE_MACHINE_NATIVE; } CORINFO_METHOD_HANDLE ZapInfo::GetDelegateCtor(CORINFO_METHOD_HANDLE methHnd, CORINFO_CLASS_HANDLE clsHnd, CORINFO_METHOD_HANDLE targetMethodHnd, DelegateCtorArgs * pCtorData) { // For ReadyToRun, this optimization is done via ZapInfo::getReadyToRunDelegateCtorHelper if (IsReadyToRunCompilation()) return methHnd; // forward the call to the standard GetDelegateCtor CORINFO_METHOD_HANDLE delegateCtor = m_pEEJitInfo->GetDelegateCtor(methHnd, clsHnd, targetMethodHnd, pCtorData); if (delegateCtor != methHnd) { if (pCtorData->pArg4) { // cannot optimize any secure delegate, give up delegateCtor = methHnd; } else if (pCtorData->pArg3) { pCtorData->pArg3 = m_pImage->GetWrappers()->GetStub(pCtorData->pArg3); } } return delegateCtor; } void ZapInfo::MethodCompileComplete( CORINFO_METHOD_HANDLE methHnd) { m_pEEJitInfo->MethodCompileComplete(methHnd); } // // ICorStaticInfo // void ZapInfo::getEEInfo(CORINFO_EE_INFO *pEEInfoOut) { m_pEEJitInfo->getEEInfo(pEEInfoOut); } LPCWSTR ZapInfo::getJitTimeLogFilename() { return m_pEEJitInfo->getJitTimeLogFilename(); } // // ICorArgInfo // CORINFO_ARG_LIST_HANDLE ZapInfo::getArgNext(CORINFO_ARG_LIST_HANDLE args) { return m_pEEJitInfo->getArgNext(args); } CorInfoTypeWithMod ZapInfo::getArgType(CORINFO_SIG_INFO* sig, CORINFO_ARG_LIST_HANDLE args, CORINFO_CLASS_HANDLE *vcTypeRet) { return m_pEEJitInfo->getArgType(sig, args, vcTypeRet); } CORINFO_CLASS_HANDLE ZapInfo::getArgClass(CORINFO_SIG_INFO* sig, CORINFO_ARG_LIST_HANDLE args) { return m_pEEJitInfo->getArgClass(sig, args); } CorInfoType ZapInfo::getHFAType(CORINFO_CLASS_HANDLE hClass) { return m_pEEJitInfo->getHFAType(hClass); } // // ICorDebugInfo // void ZapInfo::getBoundaries(CORINFO_METHOD_HANDLE ftn, unsigned int *cILOffsets, DWORD **pILOffsets, ICorDebugInfo::BoundaryTypes *implicitBoundaries) { m_pEEJitInfo->getBoundaries(ftn, cILOffsets, pILOffsets, implicitBoundaries); } void ZapInfo::setBoundaries(CORINFO_METHOD_HANDLE ftn, ULONG32 cMap, ICorDebugInfo::OffsetMapping *pMap) { _ASSERTE(ftn == m_currentMethodHandle); if (cMap == 0) return; m_pOffsetMapping = pMap; m_iOffsetMapping = cMap; return; } void ZapInfo::getVars(CORINFO_METHOD_HANDLE ftn, ULONG32 *cVars, ICorDebugInfo::ILVarInfo **vars, bool *extendOthers) { m_pEEJitInfo->getVars(ftn, cVars, vars, extendOthers); } void ZapInfo::setVars(CORINFO_METHOD_HANDLE ftn, ULONG32 cVars, ICorDebugInfo::NativeVarInfo * vars) { _ASSERTE(ftn == m_currentMethodHandle); if (cVars == 0) return; m_pNativeVarInfo = vars; m_iNativeVarInfo = cVars; return; } void * ZapInfo::allocateArray(ULONG cBytes) { return new BYTE[cBytes]; } void ZapInfo::freeArray(void *array) { delete [] ((BYTE*) array); } // // ICorFieldInfo // const char* ZapInfo::getFieldName(CORINFO_FIELD_HANDLE ftn, const char **moduleName) { return m_pEEJitInfo->getFieldName(ftn, moduleName); } CORINFO_CLASS_HANDLE ZapInfo::getFieldClass(CORINFO_FIELD_HANDLE field) { return m_pEEJitInfo->getFieldClass(field); } CorInfoType ZapInfo::getFieldType(CORINFO_FIELD_HANDLE field, CORINFO_CLASS_HANDLE *structType, CORINFO_CLASS_HANDLE memberParent) { return m_pEEJitInfo->getFieldType(field, structType, memberParent); } unsigned ZapInfo::getFieldOffset(CORINFO_FIELD_HANDLE field) { return m_pEEJitInfo->getFieldOffset(field); } bool ZapInfo::isWriteBarrierHelperRequired( CORINFO_FIELD_HANDLE field) { return m_pEEJitInfo->isWriteBarrierHelperRequired(field); } void ZapInfo::getFieldInfo (CORINFO_RESOLVED_TOKEN * pResolvedToken, CORINFO_METHOD_HANDLE callerHandle, CORINFO_ACCESS_FLAGS flags, CORINFO_FIELD_INFO *pResult) { m_pEEJitInfo->getFieldInfo(pResolvedToken, callerHandle, flags, pResult); #ifdef FEATURE_READYTORUN_COMPILER CORINFO_EE_INFO eeInfo; m_pEEJitInfo->getEEInfo(&eeInfo); if (IsReadyToRunCompilation()) { if (pResult->accessAllowed != CORINFO_ACCESS_ALLOWED) { m_zapper->Warning(W("ReadyToRun: Runtime field access checks not supported\n")); ThrowHR(E_NOTIMPL); } DWORD fAtypicalCallsite = (flags & CORINFO_ACCESS_ATYPICAL_CALLSITE) ? CORINFO_HELP_READYTORUN_ATYPICAL_CALLSITE : 0; switch (pResult->fieldAccessor) { case CORINFO_FIELD_INSTANCE: { DWORD dwBaseOffset = (DWORD)-1; CORCOMPILE_FIXUP_BLOB_KIND fixupKind = m_pImage->GetCompileInfo()->GetFieldBaseOffset(pResolvedToken->hClass, &dwBaseOffset); switch (fixupKind) { case ENCODE_FIELD_OFFSET: { ZapImport * pImport = m_pImage->GetImportTable()->GetFieldImport(ENCODE_FIELD_OFFSET, pResolvedToken->hField, pResolvedToken); if (pResult->offset > eeInfo.maxUncheckedOffsetForNullObject / 2) { m_zapper->Warning(W("ReadyToRun: Cross-module instance fields with large offsets not supported\n")); ThrowHR(E_NOTIMPL); } pResult->offset = 0; pResult->fieldAccessor = CORINFO_FIELD_INSTANCE_WITH_BASE; pResult->fieldLookup.accessType = IAT_PVALUE; pResult->fieldLookup.addr = pImport; AppendImport(pImport); } break; case ENCODE_CHECK_FIELD_OFFSET: { ZapImport * pImport = m_pImage->GetImportTable()->GetCheckFieldOffsetImport(pResolvedToken->hField, pResolvedToken, pResult->offset); AppendImport(pImport); } break; case ENCODE_FIELD_BASE_OFFSET: { ZapImport * pImport = m_pImage->GetImportTable()->GetClassImport(ENCODE_FIELD_BASE_OFFSET, pResolvedToken); if (pResult->offset > eeInfo.maxUncheckedOffsetForNullObject / 2) { m_zapper->Warning(W("ReadyToRun: Large objects crossing module boundaries not supported\n")); ThrowHR(E_NOTIMPL); } _ASSERTE(pResult->offset >= dwBaseOffset); pResult->offset -= dwBaseOffset; pResult->fieldAccessor = CORINFO_FIELD_INSTANCE_WITH_BASE; pResult->fieldLookup.accessType = IAT_PVALUE; pResult->fieldLookup.addr = pImport; AppendImport(pImport); } break; case ENCODE_NONE: break; default: UNREACHABLE_MSG("Unexpected field base fixup"); } } break; case CORINFO_FIELD_INSTANCE_HELPER: case CORINFO_FIELD_INSTANCE_ADDR_HELPER: m_zapper->Warning(W("ReadyToRun: Special instance fields not supported\n")); ThrowHR(E_NOTIMPL); break; case CORINFO_FIELD_STATIC_SHARED_STATIC_HELPER: { if (m_pImage->GetCompileInfo()->IsInCurrentVersionBubble(m_pEEJitInfo->getClassModule(pResolvedToken->hClass))) { CORCOMPILE_FIXUP_BLOB_KIND kind; switch (pResult->helper) { case CORINFO_HELP_GETSHARED_GCSTATIC_BASE: case CORINFO_HELP_GETSHARED_GCSTATIC_BASE_NOCTOR: case CORINFO_HELP_GETSHARED_GCSTATIC_BASE_DYNAMICCLASS: kind = ENCODE_STATIC_BASE_GC_HELPER; break; case CORINFO_HELP_GETSHARED_NONGCSTATIC_BASE: case CORINFO_HELP_GETSHARED_NONGCSTATIC_BASE_NOCTOR: case CORINFO_HELP_GETSHARED_NONGCSTATIC_BASE_DYNAMICCLASS: kind = ENCODE_STATIC_BASE_NONGC_HELPER; break; case CORINFO_HELP_GETSHARED_GCTHREADSTATIC_BASE: case CORINFO_HELP_GETSHARED_GCTHREADSTATIC_BASE_NOCTOR: case CORINFO_HELP_GETSHARED_GCTHREADSTATIC_BASE_DYNAMICCLASS: kind = ENCODE_THREAD_STATIC_BASE_GC_HELPER; break; case CORINFO_HELP_GETSHARED_NONGCTHREADSTATIC_BASE: case CORINFO_HELP_GETSHARED_NONGCTHREADSTATIC_BASE_NOCTOR: case CORINFO_HELP_GETSHARED_NONGCTHREADSTATIC_BASE_DYNAMICCLASS: kind = ENCODE_THREAD_STATIC_BASE_NONGC_HELPER; break; default: UNREACHABLE_MSG("Unexpected static helper"); } ZapImport * pImport = m_pImage->GetImportTable()->GetDynamicHelperCell( (CORCOMPILE_FIXUP_BLOB_KIND)(kind | fAtypicalCallsite), pResolvedToken->hClass); pResult->fieldLookup.accessType = IAT_PVALUE; pResult->fieldLookup.addr = pImport; pResult->helper = CORINFO_HELP_READYTORUN_STATIC_BASE; } else { ZapImport * pImport = m_pImage->GetImportTable()->GetDynamicHelperCell( (CORCOMPILE_FIXUP_BLOB_KIND)(ENCODE_FIELD_ADDRESS | fAtypicalCallsite), pResolvedToken->hField, pResolvedToken); pResult->fieldLookup.accessType = IAT_PVALUE; pResult->fieldLookup.addr = pImport; pResult->helper = CORINFO_HELP_READYTORUN_STATIC_BASE; pResult->offset = 0; pResult->fieldFlags &= ~CORINFO_FLG_FIELD_STATIC_IN_HEAP; // The dynamic helper takes care of the unboxing } } break; case CORINFO_FIELD_STATIC_GENERICS_STATIC_HELPER: { // Nothing to do... The generic handle lookup gets embedded in to the codegen // during the jitting of the field lookup. // (Note: The generic lookup in R2R is performed by a call to a helper at runtime, not by // codegen emitted at crossgen time) // TODO: replace the call to the generic lookup helper and the call to the static helper function // with a single call to a R2R cell that performs: // 1) Generic handle lookup // 2) Computes the statics base address // 3) Generates a stub for subsequent lookups that includes dictionary access // (For perf reasons) } break; case CORINFO_FIELD_STATIC_ADDRESS: // field at given address case CORINFO_FIELD_STATIC_RVA_ADDRESS: // RVA field at given address case CORINFO_FIELD_STATIC_ADDR_HELPER: // static field accessed using address-of helper (argument is FieldDesc *) case CORINFO_FIELD_STATIC_TLS: m_zapper->Warning(W("ReadyToRun: Rare kinds of static fields not supported\n")); ThrowHR(E_NOTIMPL); break; case CORINFO_FIELD_INTRINSIC_ZERO: case CORINFO_FIELD_INTRINSIC_EMPTY_STRING: case CORINFO_FIELD_INTRINSIC_ISLITTLEENDIAN: break; default: UNREACHABLE_MSG("Unexpected field acccess type"); } } #endif // FEATURE_READYTORUN_COMPILER } bool ZapInfo::isFieldStatic(CORINFO_FIELD_HANDLE fldHnd) { return m_pEEJitInfo->isFieldStatic(fldHnd); } // // ICorClassInfo // CorInfoType ZapInfo::asCorInfoType(CORINFO_CLASS_HANDLE cls) { return m_pEEJitInfo->asCorInfoType(cls); } const char* ZapInfo::getClassName(CORINFO_CLASS_HANDLE cls) { return m_pEEJitInfo->getClassName(cls); } const char* ZapInfo::getHelperName(CorInfoHelpFunc func) { return m_pEEJitInfo->getHelperName(func); } int ZapInfo::appendClassName(__deref_inout_ecount(*pnBufLen) WCHAR** ppBuf, int* pnBufLen, CORINFO_CLASS_HANDLE cls, BOOL fNamespace, BOOL fFullInst, BOOL fAssembly) { return m_pEEJitInfo->appendClassName(ppBuf,pnBufLen,cls,fNamespace,fFullInst,fAssembly); } BOOL ZapInfo::isValueClass(CORINFO_CLASS_HANDLE cls) { return m_pEEJitInfo->isValueClass(cls); } BOOL ZapInfo::canInlineTypeCheckWithObjectVTable (CORINFO_CLASS_HANDLE cls) { return m_pEEJitInfo->canInlineTypeCheckWithObjectVTable(cls); } DWORD ZapInfo::getClassAttribs(CORINFO_CLASS_HANDLE cls) { return m_pEEJitInfo->getClassAttribs(cls); } BOOL ZapInfo::isStructRequiringStackAllocRetBuf(CORINFO_CLASS_HANDLE cls) { return m_pEEJitInfo->isStructRequiringStackAllocRetBuf(cls); } CorInfoInitClassResult ZapInfo::initClass( CORINFO_FIELD_HANDLE field, CORINFO_METHOD_HANDLE method, CORINFO_CONTEXT_HANDLE context, BOOL speculative) { return m_pEEJitInfo->initClass(field, method, context, speculative); } void ZapInfo::classMustBeLoadedBeforeCodeIsRun(CORINFO_CLASS_HANDLE cls) { // This adds an entry to the table of fixups. The table gets iterated later // to add entries to the delayed fixup list for the code being generated. m_ClassLoadTable.Load(cls, FALSE); } CORINFO_METHOD_HANDLE ZapInfo::mapMethodDeclToMethodImpl(CORINFO_METHOD_HANDLE methHnd) { return (CORINFO_METHOD_HANDLE)m_pEEJitInfo->mapMethodDeclToMethodImpl(methHnd); } void ZapInfo::methodMustBeLoadedBeforeCodeIsRun(CORINFO_METHOD_HANDLE meth) { // This adds an entry to the table of fixups. The table gets iterated later // to add entries to the delayed fixup list for the code being generated. m_MethodLoadTable.Load(meth, FALSE); } CORINFO_CLASS_HANDLE ZapInfo::getBuiltinClass(CorInfoClassId classId) { return m_pEEJitInfo->getBuiltinClass(classId); } CorInfoType ZapInfo::getTypeForPrimitiveValueClass(CORINFO_CLASS_HANDLE cls) { return m_pEEJitInfo->getTypeForPrimitiveValueClass(cls); } BOOL ZapInfo::canCast(CORINFO_CLASS_HANDLE child, CORINFO_CLASS_HANDLE parent) { return m_pEEJitInfo->canCast(child, parent); } BOOL ZapInfo::areTypesEquivalent(CORINFO_CLASS_HANDLE cls1, CORINFO_CLASS_HANDLE cls2) { return m_pEEJitInfo->areTypesEquivalent(cls1, cls2); } CORINFO_CLASS_HANDLE ZapInfo::mergeClasses( CORINFO_CLASS_HANDLE cls1, CORINFO_CLASS_HANDLE cls2) { return m_pEEJitInfo->mergeClasses(cls1, cls2); } BOOL ZapInfo::shouldEnforceCallvirtRestriction( CORINFO_MODULE_HANDLE scopeHnd) { return m_zapper->m_pEEJitInfo->shouldEnforceCallvirtRestriction(scopeHnd); } CORINFO_CLASS_HANDLE ZapInfo::getParentType ( CORINFO_CLASS_HANDLE cls) { return m_pEEJitInfo->getParentType(cls); } CorInfoType ZapInfo::getChildType ( CORINFO_CLASS_HANDLE clsHnd, CORINFO_CLASS_HANDLE *clsRet) { return m_pEEJitInfo->getChildType(clsHnd, clsRet); } BOOL ZapInfo::satisfiesClassConstraints( CORINFO_CLASS_HANDLE cls) { return m_pEEJitInfo->satisfiesClassConstraints(cls); } BOOL ZapInfo::isSDArray(CORINFO_CLASS_HANDLE cls) { return m_pEEJitInfo->isSDArray(cls); } unsigned ZapInfo::getArrayRank(CORINFO_CLASS_HANDLE cls) { return m_pEEJitInfo->getArrayRank(cls); } void * ZapInfo::getArrayInitializationData(CORINFO_FIELD_HANDLE field, DWORD size) { if (m_pEEJitInfo->getClassModule(m_pEEJitInfo->getFieldClass(field)) != m_pImage->m_hModule) return NULL; void * arrayData = m_pEEJitInfo->getArrayInitializationData(field, size); if (!arrayData) return NULL; #ifdef FEATURE_READYTORUN_COMPILER if (IsReadyToRunCompilation()) return m_pImage->m_pILMetaData->GetRVAField(arrayData); #endif return (void *) m_pImage->GetWrappers()->GetGenericHandle(CORINFO_GENERIC_HANDLE(arrayData)); } CorInfoIsAccessAllowedResult ZapInfo::canAccessClass( CORINFO_RESOLVED_TOKEN * pResolvedToken, CORINFO_METHOD_HANDLE callerHandle, CORINFO_HELPER_DESC *throwHelper) { CorInfoIsAccessAllowedResult ret = m_pEEJitInfo->canAccessClass(pResolvedToken, callerHandle, throwHelper); #ifdef FEATURE_READYTORUN_COMPILER if (ret != CORINFO_ACCESS_ALLOWED) { m_zapper->Warning(W("ReadyToRun: Runtime access checks not supported\n")); ThrowHR(E_NOTIMPL); } #endif return ret; } CORINFO_MODULE_HANDLE ZapInfo::getClassModule(CORINFO_CLASS_HANDLE cls) { return m_pEEJitInfo->getClassModule(cls); } CORINFO_ASSEMBLY_HANDLE ZapInfo::getModuleAssembly(CORINFO_MODULE_HANDLE mod) { return m_pEEJitInfo->getModuleAssembly(mod); } const char* ZapInfo::getAssemblyName(CORINFO_ASSEMBLY_HANDLE assem) { return m_pEEJitInfo->getAssemblyName(assem); } void* ZapInfo::LongLifetimeMalloc(size_t sz) { return m_pEEJitInfo->LongLifetimeMalloc(sz); } void ZapInfo::LongLifetimeFree(void* obj) { return m_pEEJitInfo->LongLifetimeFree(obj); } size_t ZapInfo::getClassModuleIdForStatics(CORINFO_CLASS_HANDLE cls, CORINFO_MODULE_HANDLE *pModule, void **ppIndirection) { if (IsReadyToRunCompilation()) { _ASSERTE(!"getClassModuleIdForStatics"); ThrowHR(E_NOTIMPL); } _ASSERTE(ppIndirection != NULL); _ASSERTE(pModule == NULL); CORINFO_MODULE_HANDLE module; size_t moduleId = m_pEEJitInfo->getClassModuleIdForStatics(cls, &module, ppIndirection); CORINFO_MODULE_HANDLE pzmModule = m_pImage->m_pPreloader->GetPreferredZapModuleForClassHandle(cls); if (module == pzmModule) { // Use the module for the moduleid lookup if we have to do so. This causes us to have fewer fixups than // if the fixups were exclusively based on the moduleforstatics lookup cls = NULL; if (module == m_pImage->m_hModule) { // If the handle is the module we are currently ngening, we use // an indirection to the slot where the module pointer gets // stored when the module gets reloaded. *ppIndirection = PVOID(m_pImage->GetWrappers()->GetModuleIDHandle(module)); return NULL; } // Fall through to regular import } else { // Use the class for the moduleid lookup. This causes us to generate a fixup for the ModuleForStatics explicitly. module = NULL; } ZapImport * pImport = m_pImage->GetImportTable()->GetModuleDomainIdImport(module, cls); AppendConditionalImport(pImport); *ppIndirection = pImport; return NULL; } unsigned ZapInfo::getClassSize(CORINFO_CLASS_HANDLE cls) { DWORD size = m_pEEJitInfo->getClassSize(cls); #ifdef FEATURE_READYTORUN_COMPILER if (IsReadyToRunCompilation()) { if (m_pEECompileInfo->NeedsTypeLayoutCheck(cls)) { ZapImport * pImport = m_pImage->GetImportTable()->GetCheckTypeLayoutImport(cls); AppendImport(pImport); m_ClassLoadTable.Load(cls, TRUE); } } #endif return size; } unsigned ZapInfo::getClassAlignmentRequirement(CORINFO_CLASS_HANDLE cls, BOOL fDoubleAlignHint) { return m_pEEJitInfo->getClassAlignmentRequirement(cls, fDoubleAlignHint); } CORINFO_FIELD_HANDLE ZapInfo::getFieldInClass(CORINFO_CLASS_HANDLE clsHnd, INT num) { return m_pEEJitInfo->getFieldInClass(clsHnd,num); } mdMethodDef ZapInfo::getMethodDefFromMethod(CORINFO_METHOD_HANDLE hMethod) { return m_pEEJitInfo->getMethodDefFromMethod(hMethod); } BOOL ZapInfo::checkMethodModifier(CORINFO_METHOD_HANDLE hMethod, LPCSTR modifier, BOOL fOptional) { return m_pEEJitInfo->checkMethodModifier(hMethod, modifier, fOptional); } unsigned ZapInfo::getClassGClayout(CORINFO_CLASS_HANDLE cls, BYTE *gcPtrs) { return m_pEEJitInfo->getClassGClayout(cls, gcPtrs); } // returns the enregister info for a struct based on type of fields, alignment, etc.. bool ZapInfo::getSystemVAmd64PassStructInRegisterDescriptor( /*IN*/ CORINFO_CLASS_HANDLE _structHnd, /*OUT*/ SYSTEMV_AMD64_CORINFO_STRUCT_REG_PASSING_DESCRIPTOR* structPassInRegDescPtr) { return m_pEEJitInfo->getSystemVAmd64PassStructInRegisterDescriptor(_structHnd, structPassInRegDescPtr); } unsigned ZapInfo::getClassNumInstanceFields(CORINFO_CLASS_HANDLE cls) { return m_pEEJitInfo->getClassNumInstanceFields(cls); } CorInfoHelpFunc ZapInfo::getNewHelper(CORINFO_RESOLVED_TOKEN * pResolvedToken, CORINFO_METHOD_HANDLE callerHandle) { if (IsReadyToRunCompilation()) return CORINFO_HELP_NEWFAST; classMustBeLoadedBeforeCodeIsRun(pResolvedToken->hClass); return m_pEEJitInfo->getNewHelper(pResolvedToken, callerHandle); } CorInfoHelpFunc ZapInfo::getSharedCCtorHelper(CORINFO_CLASS_HANDLE clsHnd) { return m_pEEJitInfo->getSharedCCtorHelper(clsHnd); } CorInfoHelpFunc ZapInfo::getSecurityPrologHelper(CORINFO_METHOD_HANDLE ftn) { return m_pEEJitInfo->getSecurityPrologHelper(ftn); } CORINFO_CLASS_HANDLE ZapInfo::getTypeForBox(CORINFO_CLASS_HANDLE cls) { return m_pEEJitInfo->getTypeForBox(cls); } CorInfoHelpFunc ZapInfo::getBoxHelper(CORINFO_CLASS_HANDLE cls) { return m_pEEJitInfo->getBoxHelper(cls); } CorInfoHelpFunc ZapInfo::getUnBoxHelper(CORINFO_CLASS_HANDLE cls) { return m_pEEJitInfo->getUnBoxHelper(cls); } CorInfoHelpFunc ZapInfo::getCastingHelper(CORINFO_RESOLVED_TOKEN * pResolvedToken, bool fThrowing) { if (IsReadyToRunCompilation()) return (fThrowing ? CORINFO_HELP_CHKCASTANY : CORINFO_HELP_ISINSTANCEOFANY); return m_pEEJitInfo->getCastingHelper(pResolvedToken, fThrowing); } CorInfoHelpFunc ZapInfo::getNewArrHelper(CORINFO_CLASS_HANDLE arrayCls) { if (IsReadyToRunCompilation()) return CORINFO_HELP_NEWARR_1_DIRECT; return m_pEEJitInfo->getNewArrHelper(arrayCls); } bool ZapInfo::getReadyToRunHelper(CORINFO_RESOLVED_TOKEN * pResolvedToken, CORINFO_LOOKUP_KIND * pGenericLookupKind, CorInfoHelpFunc id, CORINFO_CONST_LOOKUP * pLookup) { #ifdef FEATURE_READYTORUN_COMPILER _ASSERTE(IsReadyToRunCompilation()); ZapImport * pImport = NULL; DWORD fAtypicalCallsite = (id & CORINFO_HELP_READYTORUN_ATYPICAL_CALLSITE); id = (CorInfoHelpFunc)(id & ~CORINFO_HELP_READYTORUN_ATYPICAL_CALLSITE); switch (id) { case CORINFO_HELP_READYTORUN_NEW: // Call CEEInfo::getNewHelper to validate the request (e.g., check for abstract class). m_pEEJitInfo->getNewHelper(pResolvedToken, m_currentMethodHandle); if ((getClassAttribs(pResolvedToken->hClass) & CORINFO_FLG_SHAREDINST) != 0) return false; // Requires runtime lookup. pImport = m_pImage->GetImportTable()->GetDynamicHelperCell( (CORCOMPILE_FIXUP_BLOB_KIND)(ENCODE_NEW_HELPER | fAtypicalCallsite), pResolvedToken->hClass); break; case CORINFO_HELP_READYTORUN_NEWARR_1: if ((getClassAttribs(pResolvedToken->hClass) & CORINFO_FLG_SHAREDINST) != 0) return false; // Requires runtime lookup. pImport = m_pImage->GetImportTable()->GetDynamicHelperCell( (CORCOMPILE_FIXUP_BLOB_KIND)(ENCODE_NEW_ARRAY_HELPER | fAtypicalCallsite), pResolvedToken->hClass); break; case CORINFO_HELP_READYTORUN_ISINSTANCEOF: if ((getClassAttribs(pResolvedToken->hClass) & CORINFO_FLG_SHAREDINST) != 0) return false; // Requires runtime lookup. pImport = m_pImage->GetImportTable()->GetDynamicHelperCell( (CORCOMPILE_FIXUP_BLOB_KIND)(ENCODE_ISINSTANCEOF_HELPER | fAtypicalCallsite), pResolvedToken->hClass); break; case CORINFO_HELP_READYTORUN_CHKCAST: if ((getClassAttribs(pResolvedToken->hClass) & CORINFO_FLG_SHAREDINST) != 0) return false; // Requires runtime lookup. pImport = m_pImage->GetImportTable()->GetDynamicHelperCell( (CORCOMPILE_FIXUP_BLOB_KIND)(ENCODE_CHKCAST_HELPER | fAtypicalCallsite), pResolvedToken->hClass); break; case CORINFO_HELP_READYTORUN_STATIC_BASE: if ((getClassAttribs(pResolvedToken->hClass) & CORINFO_FLG_SHAREDINST) != 0) return false; // Requires runtime lookup. if (m_pImage->GetCompileInfo()->IsInCurrentVersionBubble(m_pEEJitInfo->getClassModule(pResolvedToken->hClass))) { pImport = m_pImage->GetImportTable()->GetDynamicHelperCell( (CORCOMPILE_FIXUP_BLOB_KIND)(ENCODE_CCTOR_TRIGGER | fAtypicalCallsite), pResolvedToken->hClass); } else { // READYTORUN: FUTURE: Cross-module static cctor triggers m_zapper->Warning(W("ReadyToRun: Cross-module static cctor triggers not supported\n")); ThrowHR(E_NOTIMPL); } break; case CORINFO_HELP_READYTORUN_GENERIC_HANDLE: _ASSERTE(pGenericLookupKind != NULL && pGenericLookupKind->needsRuntimeLookup); if (pGenericLookupKind->runtimeLookupKind == CORINFO_LOOKUP_METHODPARAM) { pImport = m_pImage->GetImportTable()->GetDictionaryLookupCell( (CORCOMPILE_FIXUP_BLOB_KIND)(ENCODE_DICTIONARY_LOOKUP_METHOD | fAtypicalCallsite), pResolvedToken, pGenericLookupKind); } else if (pGenericLookupKind->runtimeLookupKind == CORINFO_LOOKUP_THISOBJ) { pImport = m_pImage->GetImportTable()->GetDictionaryLookupCell( (CORCOMPILE_FIXUP_BLOB_KIND)(ENCODE_DICTIONARY_LOOKUP_THISOBJ | fAtypicalCallsite), pResolvedToken, pGenericLookupKind); } else { _ASSERTE(pGenericLookupKind->runtimeLookupKind == CORINFO_LOOKUP_CLASSPARAM); pImport = m_pImage->GetImportTable()->GetDictionaryLookupCell( (CORCOMPILE_FIXUP_BLOB_KIND)(ENCODE_DICTIONARY_LOOKUP_TYPE | fAtypicalCallsite), pResolvedToken, pGenericLookupKind); } break; default: _ASSERTE(false); ThrowHR(E_NOTIMPL); } pLookup->accessType = IAT_PVALUE; pLookup->addr = pImport; return true; #else return false; #endif } void ZapInfo::getReadyToRunDelegateCtorHelper( CORINFO_RESOLVED_TOKEN * pTargetMethod, CORINFO_CLASS_HANDLE delegateType, CORINFO_LOOKUP * pLookup ) { #ifdef FEATURE_READYTORUN_COMPILER _ASSERTE(IsReadyToRunCompilation()); pLookup->lookupKind.needsRuntimeLookup = false; pLookup->constLookup.accessType = IAT_PVALUE; pLookup->constLookup.addr = m_pImage->GetImportTable()->GetDynamicHelperCell( (CORCOMPILE_FIXUP_BLOB_KIND)(ENCODE_DELEGATE_CTOR), pTargetMethod->hMethod, pTargetMethod, delegateType); #endif } // // ICorModuleInfo // //----------------------------------------------------------------------------- void ZapInfo::resolveToken(CORINFO_RESOLVED_TOKEN * pResolvedToken) { m_pEEJitInfo->resolveToken(pResolvedToken); } //----------------------------------------------------------------------------- bool ZapInfo::tryResolveToken(CORINFO_RESOLVED_TOKEN * pResolvedToken) { return m_pEEJitInfo->tryResolveToken(pResolvedToken); } //----------------------------------------------------------------------------- void ZapInfo::findSig(CORINFO_MODULE_HANDLE tokenScope, unsigned sigTOK, CORINFO_CONTEXT_HANDLE tokenContext, CORINFO_SIG_INFO *sig) { m_pEEJitInfo->findSig(tokenScope, sigTOK, tokenContext, sig); } void ZapInfo::findCallSiteSig(CORINFO_MODULE_HANDLE tokenScope, unsigned methTOK, CORINFO_CONTEXT_HANDLE tokenContext, CORINFO_SIG_INFO *sig) { m_pEEJitInfo->findCallSiteSig(tokenScope, methTOK, tokenContext, sig); } size_t ZapInfo::findNameOfToken(CORINFO_MODULE_HANDLE tokenScope, unsigned token, __out_ecount (FQNameCapacity) char * szFQName, size_t FQNameCapacity) { return m_pEEJitInfo->findNameOfToken(tokenScope, token, szFQName, FQNameCapacity); } CorInfoCanSkipVerificationResult ZapInfo::canSkipVerification ( CORINFO_MODULE_HANDLE tokenScope) { return m_pEEJitInfo->canSkipVerification(tokenScope); } BOOL ZapInfo::isValidToken ( CORINFO_MODULE_HANDLE tokenScope, unsigned token) { return m_pEEJitInfo->isValidToken(tokenScope, token); } BOOL ZapInfo::isValidStringRef ( CORINFO_MODULE_HANDLE tokenScope, unsigned token) { return m_pEEJitInfo->isValidStringRef(tokenScope, token); } // // ICorMethodInfo // const char* ZapInfo::getMethodName(CORINFO_METHOD_HANDLE ftn, const char **moduleName) { return m_pEEJitInfo->getMethodName(ftn, moduleName); } unsigned ZapInfo::getMethodHash(CORINFO_METHOD_HANDLE ftn) { return m_pEEJitInfo->getMethodHash(ftn); } DWORD ZapInfo::getMethodAttribs(CORINFO_METHOD_HANDLE ftn) { return m_pEEJitInfo->getMethodAttribs(ftn); } void ZapInfo::setMethodAttribs(CORINFO_METHOD_HANDLE ftn, CorInfoMethodRuntimeFlags attribs) { m_pEEJitInfo->setMethodAttribs(ftn, attribs); } void ZapInfo::getMethodSig(CORINFO_METHOD_HANDLE ftn, CORINFO_SIG_INFO *sig,CORINFO_CLASS_HANDLE memberParent) { m_pEEJitInfo->getMethodSig(ftn, sig, memberParent); } bool ZapInfo::getMethodInfo(CORINFO_METHOD_HANDLE ftn,CORINFO_METHOD_INFO* info) { bool result = m_pEEJitInfo->getMethodInfo(ftn, info); info->regionKind = m_pImage->GetCurrentRegionKind(); return result; } CorInfoInline ZapInfo::canInline(CORINFO_METHOD_HANDLE caller, CORINFO_METHOD_HANDLE callee, DWORD* pRestrictions) { return m_pEEJitInfo->canInline(caller, callee, pRestrictions); } void ZapInfo::reportInliningDecision (CORINFO_METHOD_HANDLE inlinerHnd, CORINFO_METHOD_HANDLE inlineeHnd, CorInfoInline inlineResult, const char * reason) { if (!dontInline(inlineResult) && inlineeHnd != NULL) { // We deliberately report m_currentMethodHandle (not inlinerHnd) as inliner, because // if m_currentMethodHandle != inlinerHnd, it simply means that inlinerHnd is intermediate link // in inlining into m_currentMethodHandle, and we have no interest to track those intermediate links now. m_pImage->m_pPreloader->ReportInlining(m_currentMethodHandle, inlineeHnd); } return m_pEEJitInfo->reportInliningDecision(inlinerHnd, inlineeHnd, inlineResult, reason); } CorInfoInstantiationVerification ZapInfo::isInstantiationOfVerifiedGeneric( CORINFO_METHOD_HANDLE method) { return m_pEEJitInfo->isInstantiationOfVerifiedGeneric(method); } void ZapInfo::initConstraintsForVerification(CORINFO_METHOD_HANDLE method, BOOL *pfHasCircularClassConstraints, BOOL *pfHasCircularMethodConstraints) { m_pEEJitInfo-> initConstraintsForVerification(method,pfHasCircularClassConstraints,pfHasCircularMethodConstraints); } bool ZapInfo::canTailCall(CORINFO_METHOD_HANDLE caller, CORINFO_METHOD_HANDLE declaredCallee, CORINFO_METHOD_HANDLE exactCallee, bool fIsTailPrefix) { #ifdef FEATURE_READYTORUN_COMPILER // READYTORUN: FUTURE: Delay load fixups for tailcalls if (IsReadyToRunCompilation()) { if (fIsTailPrefix) { m_zapper->Warning(W("ReadyToRun: Explicit tailcalls not supported\n")); ThrowHR(E_NOTIMPL); } return false; } #endif return m_pEEJitInfo->canTailCall(caller, declaredCallee, exactCallee, fIsTailPrefix); } void ZapInfo::reportTailCallDecision(CORINFO_METHOD_HANDLE callerHnd, CORINFO_METHOD_HANDLE calleeHnd, bool fIsTailPrefix, CorInfoTailCall tailCallResult, const char * reason) { return m_pEEJitInfo->reportTailCallDecision(callerHnd, calleeHnd, fIsTailPrefix, tailCallResult, reason); } CorInfoCanSkipVerificationResult ZapInfo::canSkipMethodVerification ( CORINFO_METHOD_HANDLE ftnHandle) { // ILStubs are generated internally by the CLR. There is no need to // verify it, or any of its callees. if (m_zapper->m_pOpt->m_compilerFlags.IsSet(CORJIT_FLAGS::CORJIT_FLAG_IL_STUB)) return CORINFO_VERIFICATION_CAN_SKIP; CorInfoCanSkipVerificationResult canSkipVer = m_pEEJitInfo->canSkipMethodVerification(ftnHandle); if (canSkipVer == CORINFO_VERIFICATION_RUNTIME_CHECK) { // Transparent code could be partial trust, but we don't know at NGEN time. // Since the JIT is not hardened against unverifiable/illegal code, tell it // to just not jit the method if it hits unverifiable code, rathern than // injecting a runtime callout and continuing trying to JIT the method. canSkipVer = CORINFO_VERIFICATION_DONT_JIT; } return canSkipVer; } void ZapInfo::getEHinfo(CORINFO_METHOD_HANDLE ftn, unsigned EHnumber, CORINFO_EH_CLAUSE* clause) { m_pEEJitInfo->getEHinfo(ftn, EHnumber, clause); } CORINFO_CLASS_HANDLE ZapInfo::getMethodClass(CORINFO_METHOD_HANDLE method) { return m_pEEJitInfo->getMethodClass(method); } CORINFO_MODULE_HANDLE ZapInfo::getMethodModule(CORINFO_METHOD_HANDLE method) { return m_pEEJitInfo->getMethodModule(method); } void ZapInfo::getMethodVTableOffset(CORINFO_METHOD_HANDLE method, unsigned * pOffsetOfIndirection, unsigned * pOffsetAfterIndirection) { m_pEEJitInfo->getMethodVTableOffset(method, pOffsetOfIndirection, pOffsetAfterIndirection); } CORINFO_METHOD_HANDLE ZapInfo::resolveVirtualMethod( CORINFO_METHOD_HANDLE virtualMethod, CORINFO_CLASS_HANDLE implementingClass, CORINFO_CONTEXT_HANDLE ownerType ) { return m_pEEJitInfo->resolveVirtualMethod(virtualMethod, implementingClass, ownerType); } CorInfoIntrinsics ZapInfo::getIntrinsicID(CORINFO_METHOD_HANDLE method, bool * pMustExpand) { return m_pEEJitInfo->getIntrinsicID(method, pMustExpand); } bool ZapInfo::isInSIMDModule(CORINFO_CLASS_HANDLE classHnd) { return m_pEEJitInfo->isInSIMDModule(classHnd); } CorInfoUnmanagedCallConv ZapInfo::getUnmanagedCallConv(CORINFO_METHOD_HANDLE method) { return m_pEEJitInfo->getUnmanagedCallConv(method); } BOOL ZapInfo::pInvokeMarshalingRequired(CORINFO_METHOD_HANDLE method, CORINFO_SIG_INFO* sig) { // READYTORUN: FUTURE: P/Invoke if (IsReadyToRunCompilation()) return TRUE; return m_pEEJitInfo->pInvokeMarshalingRequired(method, sig); } LPVOID ZapInfo::GetCookieForPInvokeCalliSig(CORINFO_SIG_INFO* szMetaSig, void ** ppIndirection) { return getVarArgsHandle(szMetaSig, ppIndirection); } bool ZapInfo::canGetCookieForPInvokeCalliSig(CORINFO_SIG_INFO* szMetaSig) { return canGetVarArgsHandle(szMetaSig); } BOOL ZapInfo::satisfiesMethodConstraints( CORINFO_CLASS_HANDLE parent, CORINFO_METHOD_HANDLE method) { return m_pEEJitInfo->satisfiesMethodConstraints(parent, method); } BOOL ZapInfo::isCompatibleDelegate( CORINFO_CLASS_HANDLE objCls, CORINFO_CLASS_HANDLE methodParentCls, CORINFO_METHOD_HANDLE method, CORINFO_CLASS_HANDLE delegateCls, BOOL* pfIsOpenDelegate) { return m_pEEJitInfo->isCompatibleDelegate(objCls, methodParentCls, method, delegateCls, pfIsOpenDelegate); } BOOL ZapInfo::isDelegateCreationAllowed ( CORINFO_CLASS_HANDLE delegateHnd, CORINFO_METHOD_HANDLE calleeHnd) { return m_pEEJitInfo->isDelegateCreationAllowed(delegateHnd, calleeHnd); } // // ICorErrorInfo // HRESULT ZapInfo::GetErrorHRESULT(struct _EXCEPTION_POINTERS *pExceptionPointers) { return m_pEEJitInfo->GetErrorHRESULT(pExceptionPointers); } ULONG ZapInfo::GetErrorMessage(__in_ecount(bufferLength) LPWSTR buffer, ULONG bufferLength) { return m_pEEJitInfo->GetErrorMessage(buffer, bufferLength); } int ZapInfo::FilterException(struct _EXCEPTION_POINTERS *pExceptionPointers) { // Continue unwinding if fatal error was hit. if (FAILED(g_hrFatalError)) return EXCEPTION_CONTINUE_SEARCH; return m_pEEJitInfo->FilterException(pExceptionPointers); } void ZapInfo::HandleException(struct _EXCEPTION_POINTERS *pExceptionPointers) { m_pEEJitInfo->HandleException(pExceptionPointers); } void ZapInfo::ThrowExceptionForJitResult(HRESULT result) { m_pEEJitInfo->ThrowExceptionForJitResult(result); } void ZapInfo::ThrowExceptionForHelper(const CORINFO_HELPER_DESC * throwHelper) { m_pEEJitInfo->ThrowExceptionForHelper(throwHelper); } template<> void LoadTable::EmitLoadFixups(CORINFO_METHOD_HANDLE currentMethodHandle, ZapInfo * pZapInfo) { // // Find all of our un-fixed entries, and emit a restore fixup for each of them. // Note that we don't need a restore fixups for prerestored classes. // InlineSArray unfixed; for (LoadEntryHashTable::Iterator i = m_entries.Begin(), end = m_entries.End(); i != end; i++) { if (i->order == -1 || m_pModule->m_pPreloader->CanPrerestoreEmbedClassHandle(i->handle) // @TODO: Skip transitive closure of currentMethodHandle (parents, instantiations, etc.) || m_pModule->GetJitInfo()->getMethodClass(currentMethodHandle) == i->handle) continue; unfixed.Append(*i); } // // Now clear the table. // m_entries.RemoveAll(); if (unfixed.IsEmpty()) return; // Save the fixups in the order they got emited for determinism qsort(&unfixed[0], unfixed.GetCount(), sizeof(LoadEntry), LoadEntryCmp); for(COUNT_T j = 0; j < unfixed.GetCount(); j++) { CORINFO_CLASS_HANDLE handle = unfixed[j].handle; m_pModule->m_pPreloader->AddTypeToTransitiveClosureOfInstantiations(handle); ZapImport * pImport = m_pModule->GetImportTable()->GetClassHandleImport(handle); pZapInfo->AppendImport(pImport); } } template<> void LoadTable::EmitLoadFixups(CORINFO_METHOD_HANDLE currentMethodHandle, ZapInfo * pZapInfo) { // // Find all of our un-fixed entries, and emit a restore fixup for each of them. // Note that we don't need a restore fixups for prerestored methods. // InlineSArray unfixed; for (LoadEntryHashTable::Iterator i = m_entries.Begin(), end = m_entries.End(); i != end; i++) { if (i->order == -1 || m_pModule->m_pPreloader->CanPrerestoreEmbedMethodHandle(i->handle) || currentMethodHandle == i->handle) continue; unfixed.Append(*i); } // // Now clear the table. // m_entries.RemoveAll(); if (unfixed.IsEmpty()) return; // Save the fixups in the order they got emited for determinism qsort(&unfixed[0], unfixed.GetCount(), sizeof(LoadEntry), LoadEntryCmp); for(COUNT_T j = 0; j < unfixed.GetCount(); j++) { CORINFO_METHOD_HANDLE handle = unfixed[j].handle; m_pModule->m_pPreloader->AddMethodToTransitiveClosureOfInstantiations(handle); ZapImport * pImport = m_pModule->GetImportTable()->GetMethodHandleImport(handle); pZapInfo->AppendImport(pImport); } } BOOL ZapInfo::CurrentMethodHasProfileData() { WRAPPER_NO_CONTRACT; ULONG size; ICorJitInfo::ProfileBuffer * profileBuffer; return SUCCEEDED(getBBProfileData(m_currentMethodHandle, &size, &profileBuffer, NULL)); }