Delete code under FEATURE_PREJIT (dotnet#57693)

Author: elinor-fung

src/coreclr/binder/assembly.cpp

@@ -43,14 +43,6 @@ namespace BINDER_SPACE
             m_pPEImage = NULL;
         }
 
-#ifdef  FEATURE_PREJIT
-        if (m_pNativePEImage != NULL)
-        {
-            BinderReleasePEImage(m_pNativePEImage);
-            m_pNativePEImage = NULL;
-        }
-#endif
-
         SAFE_RELEASE(m_pAssemblyName);
         SAFE_RELEASE(m_pMDImport);
     }

src/coreclr/debug/daccess/daccess.cpp

@@ -5821,28 +5821,8 @@ ClrDataAccess::RawGetMethodName(
         //
         // Special-cased stub managers
         //
-#ifdef FEATURE_PREJIT
-        if (pStubManager == RangeSectionStubManager::g_pManager)
-        {
-            switch (RangeSectionStubManager::GetStubKind(TO_TADDR(address)))
-            {
-            case STUB_CODE_BLOCK_PRECODE:
-                goto PrecodeStub;
-
-            case STUB_CODE_BLOCK_JUMPSTUB:
-                goto JumpStub;
-
-            default:
-                break;
-            }
-        }
-        else
-#endif
         if (pStubManager == PrecodeStubManager::g_pManager)
         {
-#ifdef FEATURE_PREJIT
-        PrecodeStub:
-#endif
             PCODE alignedAddress = AlignDown(TO_TADDR(address), PRECODE_ALIGNMENT);
 
 #ifdef TARGET_ARM
@@ -5887,9 +5867,6 @@ ClrDataAccess::RawGetMethodName(
         else
         if (pStubManager == JumpStubStubManager::g_pManager)
         {
-#ifdef FEATURE_PREJIT
-        JumpStub:
-#endif
             PCODE pTarget = decodeBackToBackJump(TO_TADDR(address));
 
             HRESULT hr = GetRuntimeNameByAddress(pTarget, flags, bufLen, symbolLen, symbolBuf, NULL);
@@ -6592,14 +6569,8 @@ bool ClrDataAccess::GetILImageInfoFromNgenPEFile(PEFile *peFile,
         // Use DAC hint to retrieve the IL name.
         peFile->GetModuleFileNameHint().DacGetUnicode(cchFilePath, wszFilePath, (COUNT_T *)(&dwWritten));
     }
-#ifdef FEATURE_PREJIT
-    // Need to get IL image information from cached info in the ngen image.
-    dwTimeStamp = peFile->GetLoaded()->GetNativeVersionInfo()->sourceAssembly.timeStamp;
-    dwSize = peFile->GetLoaded()->GetNativeVersionInfo()->sourceAssembly.ilImageSize;
-#else
     dwTimeStamp = 0;
     dwSize = 0;
-#endif //  FEATURE_PREJIT
 
     return true;
 }

src/coreclr/debug/daccess/dacdbiimpl.cpp

@@ -705,12 +705,6 @@ HRESULT DacDbiInterfaceImpl::SetCompilerFlags(VMPTR_DomainFile vmDomainFile,
     HRESULT      hr          = S_OK;
 
 
-#ifdef FEATURE_PREJIT
-    if (pModule->HasNativeImage())
-    {
-        ThrowHR(CORDBG_E_CANT_CHANGE_JIT_SETTING_FOR_ZAP_MODULE);
-    }
-#endif
     _ASSERTE(pModule != NULL);
 
     // Initialize dwBits.
@@ -1256,32 +1250,9 @@ bool DacDbiInterfaceImpl::GetILImageInfoFromNgenPEFile(VMPTR_PEFile vmPEFile,
                                                        DWORD &dwSize,
                                                        IStringHolder* pStrFilename)
 {
-#if !defined(FEATURE_PREJIT)
 
     return false;
 
-#else // defined(FEATURE_PREJIT)
-
-    DD_ENTER_MAY_THROW;
-
-    PEFile * pPEFile = vmPEFile.GetDacPtr();
-    _ASSERTE(pPEFile != NULL);
-    if (pPEFile == NULL)
-    {
-        return false;
-    }
-
-    WCHAR wszFilePath[MAX_LONGPATH] = {0};
-    DWORD cchFilePath = MAX_LONGPATH;
-    bool ret = ClrDataAccess::GetILImageInfoFromNgenPEFile(pPEFile,
-                                                           dwTimeStamp,
-                                                           dwSize,
-                                                           wszFilePath,
-                                                           cchFilePath);
-
-    pStrFilename->AssignCopy(wszFilePath);
-    return ret;
-#endif // !defined(FEATURE_PREJIT)
 }
 
 // Get start addresses and sizes for hot and cold regions for a native code blob.
@@ -4184,31 +4155,6 @@ BOOL DacDbiInterfaceImpl::GetModuleNGenPath(VMPTR_Module vmModule,
                                             IStringHolder *  pStrFilename)
 {
     DD_ENTER_MAY_THROW;
-#ifdef FEATURE_PREJIT
-    Module * pModule = vmModule.GetDacPtr();
-    PEFile * pFile = pModule->GetFile();
-    if (pFile != NULL && pFile->HasNativeImage())
-    {
-        PEImage * pImage = pFile->GetPersistentNativeImage();
-        if (pImage != NULL && pImage->IsFile())
-        {
-            // We have an on-disk ngen image.  Return the path.
-            // since we no longer support Win9x, we assume all paths will be in unicode format already
-            const WCHAR * szPath = pImage->GetPath().DacGetRawUnicode();
-            if (szPath == NULL)
-            {
-                szPath = pFile->GetModuleFileNameHint().DacGetRawUnicode();
-                if (szPath == NULL)
-                {
-                    goto NoFileName;
-                }
-            }
-            IfFailThrow(pStrFilename->AssignCopy(szPath));
-            return TRUE;
-        }
-    }
-NoFileName:
-#endif // FEATURE_PREJIT
 
     // no ngen filename
     IfFailThrow(pStrFilename->AssignCopy(W("")));
@@ -5796,42 +5742,14 @@ HRESULT DacDbiInterfaceImpl::SetNGENCompilerFlags(DWORD dwFlags)
 {
     DD_ENTER_MAY_THROW;
 
-#ifndef FEATURE_PREJIT
     return CORDBG_E_NGEN_NOT_SUPPORTED;
-#else
-    // verify that we are still early enough in runtime lifecycle to mutate these
-    // flags. Typically this is done in the CreateProcess event though it is possible
-    // to do it even earlier
-    if(!Debugger::s_fCanChangeNgenFlags)
-        return CORDBG_E_MUST_BE_IN_CREATE_PROCESS;
-
-    BOOL fAllowOpt =
-        ((dwFlags & CORDEBUG_JIT_DISABLE_OPTIMIZATION) != CORDEBUG_JIT_DISABLE_OPTIMIZATION);
-    PEFile::SetNGENDebugFlags(fAllowOpt);
-    return S_OK;
-#endif
 }
 
 HRESULT DacDbiInterfaceImpl::GetNGENCompilerFlags(DWORD *pdwFlags)
 {
     DD_ENTER_MAY_THROW;
 
-#ifndef FEATURE_PREJIT
     return CORDBG_E_NGEN_NOT_SUPPORTED;
-#else
-    BOOL fAllowOpt = TRUE;
-    PEFile::GetNGENDebugFlags(&fAllowOpt);
-    if(!fAllowOpt)
-    {
-        *pdwFlags = CORDEBUG_JIT_DISABLE_OPTIMIZATION;
-    }
-    else
-    {
-        *pdwFlags = CORDEBUG_JIT_DEFAULT;
-    }
-
-    return S_OK;
-#endif
 }
 
 typedef DPTR(OBJECTREF) PTR_ObjectRef;

src/coreclr/debug/daccess/enummem.cpp

@@ -619,9 +619,6 @@ HRESULT ClrDataAccess::EnumMemDumpModuleList(CLRDataEnumMemoryFlags flags)
     ULONG32         length;
     PEFile          *file;
     TSIZE_T         cbMemoryReported = m_cbMemoryReported;
-#ifdef FEATURE_PREJIT
-    COUNT_T         count;
-#endif // FEATURE_PREJIT
 
     //
     // Iterating through module list
@@ -668,15 +665,6 @@ HRESULT ClrDataAccess::EnumMemDumpModuleList(CLRDataEnumMemoryFlags flags)
                 file = modDef->GetFile();
                 base = PTR_TO_TADDR(file->GetLoadedImageContents(&length));
                 file->EnumMemoryRegions(flags);
-#ifdef FEATURE_PREJIT
-
-                // If module has native image and it has debug map, we need to get the debug map.
-                //
-                if (modDef->HasNativeImage() && modDef->GetNativeImage()->HasNativeDebugMap())
-                {
-                    modDef->GetNativeImage()->GetNativeDebugMap(&count);
-                }
-#endif // FEATURE_PREJIT
             }
             EX_CATCH
             {