Merge remote-tracking branch 'origin/5.9' into HEAD

Conflicts: src/plugins/qmltooling/qmldbg_debugger/qv4datacollector.cpp src/qml/jit/qv4assembler.cpp src/qml/jit/qv4assembler_p.h src/qml/jit/qv4isel_masm.cpp src/qml/jsruntime/qv4context.cpp src/qml/jsruntime/qv4context_p.h src/qml/jsruntime/qv4engine.cpp src/qml/jsruntime/qv4vme_moth.cpp src/qml/memory/qv4mmdefs_p.h Change-Id: I9966750b7cd9106b78e4c4779f12b95a481cca40
author: Simon Hausmann <simon.hausmann@qt.io> 2017-03-23 14:37:05 +0100
committer: Simon Hausmann <simon.hausmann@qt.io> 2017-03-23 14:43:46 +0100
commit: 24d0266ee45cf6a3c5b9142453966199702fbf90 (patch)
tree: 3484070112f5d4cbd1da4683398d0b41d748be65 /src/qml
parent: 12569460e765ea01935ab60e06b5a5acf770ebe7 (diff)
parent: 8f5366aed675ce7928448be2f6d739d0548b350e (diff)
42 files changed, 581 insertions, 536 deletions
diff --git a/src/qml/compiler/qv4codegen.cpp b/src/qml/compiler/qv4codegen.cpp
index ecec0cf49a..3234e7ee63 100644
--- a/src/qml/compiler/qv4codegen.cpp
+++ b/src/qml/compiler/qv4codegen.cpp
@@ -1497,7 +1497,7 @@ IR::Expr *Codegen::identifier(const QString &name, int line, int col)
     IR::Function *f = _function;
 
     while (f && e->parent) {
-        if (f->insideWithOrCatch || (f->isNamedExpression && f->name == name))
+        if (f->insideWithOrCatch || (f->isNamedExpression && QStringRef(f->name) == name))
             return _block->NAME(name, line, col);
 
         int index = e->findMember(name);
@@ -1508,7 +1508,7 @@ IR::Expr *Codegen::identifier(const QString &name, int line, int col)
                 al->isArgumentsOrEval = true;
             return al;
         }
-        const int argIdx = f->indexOfArgument(&name);
+        const int argIdx = f->indexOfArgument(QStringRef(&name));
         if (argIdx != -1)
             return _block->ARG(argIdx, scope);
 
diff --git a/src/qml/compiler/qv4compilationunitmapper.cpp b/src/qml/compiler/qv4compilationunitmapper.cpp
index 1ae0fb190c..d94f7ac238 100644
--- a/src/qml/compiler/qv4compilationunitmapper.cpp
+++ b/src/qml/compiler/qv4compilationunitmapper.cpp
@@ -59,7 +59,7 @@ CompilationUnitMapper::~CompilationUnitMapper()
     close();
 }
 
-bool CompilationUnitMapper::verifyHeader(const CompiledData::Unit *header, const QString &sourcePath, QString *errorString)
+bool CompilationUnitMapper::verifyHeader(const CompiledData::Unit *header, QDateTime sourceTimeStamp, QString *errorString)
 {
     if (strncmp(header->magic, CompiledData::magic_str, sizeof(header->magic))) {
         *errorString = QStringLiteral("Magic bytes in the header do not match");
@@ -77,11 +77,6 @@ bool CompilationUnitMapper::verifyHeader(const CompiledData::Unit *header, const
     }
 
     if (header->sourceTimeStamp) {
-        QFileInfo sourceCode(sourcePath);
-        QDateTime sourceTimeStamp;
-        if (sourceCode.exists())
-            sourceTimeStamp = sourceCode.lastModified();
-
         // Files from the resource system do not have any time stamps, so fall back to the application
         // executable.
         if (!sourceTimeStamp.isValid())
diff --git a/src/qml/compiler/qv4compilationunitmapper_p.h b/src/qml/compiler/qv4compilationunitmapper_p.h
index 5b6939f1cf..b24f98df7c 100644
--- a/src/qml/compiler/qv4compilationunitmapper_p.h
+++ b/src/qml/compiler/qv4compilationunitmapper_p.h
@@ -68,11 +68,11 @@ public:
     CompilationUnitMapper();
     ~CompilationUnitMapper();
 
-    CompiledData::Unit *open(const QString &cacheFilePath, const QString &sourcePath, QString *errorString);
+    CompiledData::Unit *open(const QString &cacheFilePath, const QDateTime &sourceTimeStamp, QString *errorString);
     void close();
 
 private:
-    static bool verifyHeader(const QV4::CompiledData::Unit *header, const QString &sourcePath, QString *errorString);
+    static bool verifyHeader(const QV4::CompiledData::Unit *header, QDateTime sourceTimeStamp, QString *errorString);
 
 #if defined(Q_OS_UNIX)
     size_t length;
diff --git a/src/qml/compiler/qv4compilationunitmapper_unix.cpp b/src/qml/compiler/qv4compilationunitmapper_unix.cpp
index 1aa3e05f5f..38dabc41cf 100644
--- a/src/qml/compiler/qv4compilationunitmapper_unix.cpp
+++ b/src/qml/compiler/qv4compilationunitmapper_unix.cpp
@@ -43,6 +43,7 @@
 #include <functional>
 #include <private/qcore_unix_p.h>
 #include <private/qdeferredcleanup_p.h>
+#include <QDateTime>
 
 #include "qv4compileddata_p.h"
 
@@ -50,7 +51,7 @@ QT_BEGIN_NAMESPACE
 
 using namespace QV4;
 
-CompiledData::Unit *CompilationUnitMapper::open(const QString &cacheFileName, const QString &sourcePath, QString *errorString)
+CompiledData::Unit *CompilationUnitMapper::open(const QString &cacheFileName, const QDateTime &sourceTimeStamp, QString *errorString)
 {
     close();
 
@@ -72,7 +73,7 @@ CompiledData::Unit *CompilationUnitMapper::open(const QString &cacheFileName, co
         return nullptr;
     }
 
-    if (!verifyHeader(&header, sourcePath, errorString))
+    if (!verifyHeader(&header, sourceTimeStamp, errorString))
         return nullptr;
 
     // Data structure and qt version matched, so now we can access the rest of the file safely.
diff --git a/src/qml/compiler/qv4compilationunitmapper_win.cpp b/src/qml/compiler/qv4compilationunitmapper_win.cpp
index 37cac846a0..d7a93ae233 100644
--- a/src/qml/compiler/qv4compilationunitmapper_win.cpp
+++ b/src/qml/compiler/qv4compilationunitmapper_win.cpp
@@ -49,7 +49,7 @@ QT_BEGIN_NAMESPACE
 
 using namespace QV4;
 
-CompiledData::Unit *CompilationUnitMapper::open(const QString &cacheFileName, const QString &sourcePath, QString *errorString)
+CompiledData::Unit *CompilationUnitMapper::open(const QString &cacheFileName, const QDateTime &sourceTimeStamp, QString *errorString)
 {
     close();
 
@@ -87,7 +87,7 @@ CompiledData::Unit *CompilationUnitMapper::open(const QString &cacheFileName, co
         return nullptr;
     }
 
-    if (!verifyHeader(&header, sourcePath, errorString))
+    if (!verifyHeader(&header, sourceTimeStamp, errorString))
         return nullptr;
 
     const uint mappingFlags = header.flags & QV4::CompiledData::Unit::ContainsMachineCode
diff --git a/src/qml/compiler/qv4compileddata.cpp b/src/qml/compiler/qv4compileddata.cpp
index 0cee2996d7..edb5edb0bc 100644
--- a/src/qml/compiler/qv4compileddata.cpp
+++ b/src/qml/compiler/qv4compileddata.cpp
@@ -95,7 +95,6 @@ static QString cacheFilePath(const QUrl &url)
 #ifndef V4_BOOTSTRAP
 CompilationUnit::CompilationUnit()
     : data(0)
-    , runtimeStrings(0)
     , engine(0)
     , runtimeLookups(0)
     , runtimeRegularExpressions(0)
@@ -351,7 +350,7 @@ bool CompilationUnit::verifyChecksum(QQmlEngine *engine,
                   sizeof(data->dependencyMD5Checksum)) == 0;
 }
 
-bool CompilationUnit::loadFromDisk(const QUrl &url, EvalISelFactory *iselFactory, QString *errorString)
+bool CompilationUnit::loadFromDisk(const QUrl &url, const QDateTime &sourceTimeStamp, EvalISelFactory *iselFactory, QString *errorString)
 {
     if (!QQmlFile::isLocalFile(url)) {
         *errorString = QStringLiteral("File has to be a local file.");
@@ -361,7 +360,7 @@ bool CompilationUnit::loadFromDisk(const QUrl &url, EvalISelFactory *iselFactory
     const QString sourcePath = QQmlFile::urlToLocalFileOrQrc(url);
     QScopedPointer<CompilationUnitMapper> cacheFile(new CompilationUnitMapper());
 
-    CompiledData::Unit *mappedUnit = cacheFile->open(cacheFilePath(url), sourcePath, errorString);
+    CompiledData::Unit *mappedUnit = cacheFile->open(cacheFilePath(url), sourceTimeStamp, errorString);
     if (!mappedUnit)
         return false;
 
@@ -784,7 +783,7 @@ void Unit::generateChecksum()
 #ifndef V4_BOOTSTRAP
     QCryptographicHash hash(QCryptographicHash::Md5);
 
-    const int checksummableDataOffset = qOffsetOf(QV4::CompiledData::Unit, md5Checksum) + sizeof(md5Checksum);
+    const int checksummableDataOffset = offsetof(QV4::CompiledData::Unit, md5Checksum) + sizeof(md5Checksum);
 
     const char *dataPtr = reinterpret_cast<const char *>(this) + checksummableDataOffset;
     hash.addData(dataPtr, unitSize - checksummableDataOffset);
diff --git a/src/qml/compiler/qv4compileddata_p.h b/src/qml/compiler/qv4compileddata_p.h
index 48c78c6a01..9c21d5e9ae 100644
--- a/src/qml/compiler/qv4compileddata_p.h
+++ b/src/qml/compiler/qv4compileddata_p.h
@@ -71,7 +71,7 @@
 QT_BEGIN_NAMESPACE
 
 // Bump this whenever the compiler data structures change in an incompatible way.
-#define QV4_DATA_STRUCTURE_VERSION 0x09
+#define QV4_DATA_STRUCTURE_VERSION 0x11
 
 class QIODevice;
 class QQmlPropertyCache;
@@ -796,11 +796,15 @@ typedef QVector<QQmlPropertyData*> BindingPropertyData;
 
 // This is how this hooks into the existing structures:
 
-//VM::Function
-//    CompilationUnit * (for functions that need to clean up)
-//    CompiledData::Function *compiledFunction
+struct Q_QML_PRIVATE_EXPORT CompilationUnitBase
+{
+    QV4::Heap::String **runtimeStrings = 0; // Array
+};
 
-struct Q_QML_PRIVATE_EXPORT CompilationUnit : public QQmlRefCount
+Q_STATIC_ASSERT(std::is_standard_layout<CompilationUnitBase>::value);
+Q_STATIC_ASSERT(offsetof(CompilationUnitBase, runtimeStrings) == 0);
+
+struct Q_QML_PRIVATE_EXPORT CompilationUnit : public CompilationUnitBase, public QQmlRefCount
 {
 #ifdef V4_BOOTSTRAP
     CompilationUnit()
@@ -817,8 +821,6 @@ struct Q_QML_PRIVATE_EXPORT CompilationUnit : public QQmlRefCount
     // Called only when building QML, when we build the header for JS first and append QML data
     virtual QV4::CompiledData::Unit *createUnitData(QmlIR::Document *irDocument);
 
-    QV4::Heap::String **runtimeStrings; // Array
-
 #ifndef V4_BOOTSTRAP
     ExecutionEngine *engine;
 
@@ -898,7 +900,7 @@ struct Q_QML_PRIVATE_EXPORT CompilationUnit : public QQmlRefCount
 
     void destroy() Q_DECL_OVERRIDE;
 
-    bool loadFromDisk(const QUrl &url, EvalISelFactory *iselFactory, QString *errorString);
+    bool loadFromDisk(const QUrl &url, const QDateTime &sourceTimeStamp, EvalISelFactory *iselFactory, QString *errorString);
 
 protected:
     virtual void linkBackendToEngine(QV4::ExecutionEngine *engine) = 0;
diff --git a/src/qml/compiler/qv4compiler.cpp b/src/qml/compiler/qv4compiler.cpp
index e9709f5fb4..b81d724fe7 100644
--- a/src/qml/compiler/qv4compiler.cpp
+++ b/src/qml/compiler/qv4compiler.cpp
@@ -427,7 +427,7 @@ QV4::CompiledData::Unit QV4::Compiler::JSUnitGenerator::generateHeader(QV4::Comp
     }
     unit.indexOfRootFunction = -1;
     unit.sourceFileIndex = getStringId(irModule->fileName);
-    unit.sourceTimeStamp = irModule->sourceTimeStamp;
+    unit.sourceTimeStamp = irModule->sourceTimeStamp.isValid() ? irModule->sourceTimeStamp.toMSecsSinceEpoch() : 0;
     unit.nImports = 0;
     unit.offsetToImports = 0;
     unit.nObjects = 0;
diff --git a/src/qml/compiler/qv4instr_moth_p.h b/src/qml/compiler/qv4instr_moth_p.h
index 53d9956315..fbd6ac8f99 100644
--- a/src/qml/compiler/qv4instr_moth_p.h
+++ b/src/qml/compiler/qv4instr_moth_p.h
@@ -690,7 +690,7 @@ union Instr
     };
     struct instr_binop {
         MOTH_INSTR_HEADER
-        uint alu; // offset inside the runtime methods
+        int alu; // QV4::Runtime::RuntimeMethods enum value
         Param lhs;
         Param rhs;
         Param result;
diff --git a/src/qml/compiler/qv4isel_moth.cpp b/src/qml/compiler/qv4isel_moth.cpp
index 04844302d9..aefb084971 100644
--- a/src/qml/compiler/qv4isel_moth.cpp
+++ b/src/qml/compiler/qv4isel_moth.cpp
@@ -55,70 +55,70 @@ using namespace QV4::Moth;
 
 namespace {
 
-inline uint aluOpFunction(IR::AluOp op)
+inline QV4::Runtime::RuntimeMethods aluOpFunction(IR::AluOp op)
 {
     switch (op) {
     case IR::OpInvalid:
-        return 0;
+        return QV4::Runtime::InvalidRuntimeMethod;
     case IR::OpIfTrue:
-        return 0;
+        return QV4::Runtime::InvalidRuntimeMethod;
     case IR::OpNot:
-        return 0;
+        return QV4::Runtime::InvalidRuntimeMethod;
     case IR::OpUMinus:
-        return 0;
+        return QV4::Runtime::InvalidRuntimeMethod;
     case IR::OpUPlus:
-        return 0;
+        return QV4::Runtime::InvalidRuntimeMethod;
     case IR::OpCompl:
-        return 0;
+        return QV4::Runtime::InvalidRuntimeMethod;
     case IR::OpBitAnd:
-        return offsetof(QV4::Runtime, bitAnd);
+        return QV4::Runtime::bitAnd;
     case IR::OpBitOr:
-        return offsetof(QV4::Runtime, bitOr);
+        return QV4::Runtime::bitOr;
     case IR::OpBitXor:
-        return offsetof(QV4::Runtime, bitXor);
+        return QV4::Runtime::bitXor;
     case IR::OpAdd:
-        return 0;
+        return QV4::Runtime::InvalidRuntimeMethod;
     case IR::OpSub:
-        return offsetof(QV4::Runtime, sub);
+        return QV4::Runtime::sub;
     case IR::OpMul:
-        return offsetof(QV4::Runtime, mul);
+        return QV4::Runtime::mul;
     case IR::OpDiv:
-        return offsetof(QV4::Runtime, div);
+        return QV4::Runtime::div;
     case IR::OpMod:
-        return offsetof(QV4::Runtime, mod);
+        return QV4::Runtime::mod;
     case IR::OpLShift:
-        return offsetof(QV4::Runtime, shl);
+        return QV4::Runtime::shl;
     case IR::OpRShift:
-        return offsetof(QV4::Runtime, shr);
+        return QV4::Runtime::shr;
     case IR::OpURShift:
-        return offsetof(QV4::Runtime, ushr);
+        return QV4::Runtime::ushr;
     case IR::OpGt:
-        return offsetof(QV4::Runtime, greaterThan);
+        return QV4::Runtime::greaterThan;
     case IR::OpLt:
-        return offsetof(QV4::Runtime, lessThan);
+        return QV4::Runtime::lessThan;
     case IR::OpGe:
-        return offsetof(QV4::Runtime, greaterEqual);
+        return QV4::Runtime::greaterEqual;
     case IR::OpLe:
-        return offsetof(QV4::Runtime, lessEqual);
+        return QV4::Runtime::lessEqual;
     case IR::OpEqual:
-        return offsetof(QV4::Runtime, equal);
+        return QV4::Runtime::equal;
     case IR::OpNotEqual:
-        return offsetof(QV4::Runtime, notEqual);
+        return QV4::Runtime::notEqual;
     case IR::OpStrictEqual:
-        return offsetof(QV4::Runtime, strictEqual);
+        return QV4::Runtime::strictEqual;
     case IR::OpStrictNotEqual:
-        return offsetof(QV4::Runtime, strictNotEqual);
+        return QV4::Runtime::strictNotEqual;
     case IR::OpInstanceof:
-        return 0;
+        return QV4::Runtime::InvalidRuntimeMethod;
     case IR::OpIn:
-        return 0;
+        return QV4::Runtime::InvalidRuntimeMethod;
     case IR::OpAnd:
-        return 0;
+        return QV4::Runtime::InvalidRuntimeMethod;
     case IR::OpOr:
-        return 0;
+        return QV4::Runtime::InvalidRuntimeMethod;
     default:
         Q_ASSERT(!"Unknown AluOp");
-        return 0;
+        return QV4::Runtime::InvalidRuntimeMethod;
     }
 };
 
@@ -889,24 +889,25 @@ Param InstructionSelection::binopHelper(IR::AluOp oper, IR::Expr *leftSource, IR
     if (oper == IR::OpInstanceof || oper == IR::OpIn || oper == IR::OpAdd) {
         Instruction::BinopContext binop;
         if (oper == IR::OpInstanceof)
-            binop.alu = offsetof(QV4::Runtime, instanceof);
+            binop.alu = QV4::Runtime::instanceof;
         else if (oper == IR::OpIn)
-            binop.alu = offsetof(QV4::Runtime, in);
+            binop.alu = QV4::Runtime::in;
         else
-            binop.alu = offsetof(QV4::Runtime, add);
+            binop.alu = QV4::Runtime::add;
         binop.lhs = getParam(leftSource);
         binop.rhs = getParam(rightSource);
         binop.result = getResultParam(target);
-        Q_ASSERT(binop.alu);
+        Q_ASSERT(binop.alu != QV4::Runtime::InvalidRuntimeMethod);
         addInstruction(binop);
         return binop.result;
     } else {
+        auto binopFunc = aluOpFunction(oper);
+        Q_ASSERT(binopFunc != QV4::Runtime::InvalidRuntimeMethod);
         Instruction::Binop binop;
-        binop.alu = aluOpFunction(oper);
+        binop.alu = binopFunc;
         binop.lhs = getParam(leftSource);
         binop.rhs = getParam(rightSource);
         binop.result = getResultParam(target);
-        Q_ASSERT(binop.alu);
         addInstruction(binop);
         return binop.result;
     }
diff --git a/src/qml/compiler/qv4isel_moth_p.h b/src/qml/compiler/qv4isel_moth_p.h
index 41469f1985..4b84bd2831 100644
--- a/src/qml/compiler/qv4isel_moth_p.h
+++ b/src/qml/compiler/qv4isel_moth_p.h
@@ -179,7 +179,7 @@ private:
 
     int scratchTempIndex() const { return _function->tempCount; }
     int callDataStart() const { return scratchTempIndex() + 1; }
-    int outgoingArgumentTempStart() const { return callDataStart() + qOffsetOf(QV4::CallData, args)/sizeof(QV4::Value); }
+    int outgoingArgumentTempStart() const { return callDataStart() + offsetof(QV4::CallData, args)/sizeof(QV4::Value); }
     int frameSize() const { return outgoingArgumentTempStart() + _function->maxNumberOfArguments; }
 
     template <int Instr>
diff --git a/src/qml/compiler/qv4jsir_p.h b/src/qml/compiler/qv4jsir_p.h
index 756d90a033..f7c7b76ea8 100644
--- a/src/qml/compiler/qv4jsir_p.h
+++ b/src/qml/compiler/qv4jsir_p.h
@@ -61,6 +61,7 @@
 #include <QtCore/QBitArray>
 #include <QtCore/qurl.h>
 #include <QtCore/QVarLengthArray>
+#include <QtCore/QDateTime>
 #include <qglobal.h>
 
 #if defined(CONST) && defined(Q_OS_WIN)
@@ -942,7 +943,7 @@ struct Q_QML_PRIVATE_EXPORT Module {
     QVector<Function *> functions;
     Function *rootFunction;
     QString fileName;
-    qint64 sourceTimeStamp;
+    QDateTime sourceTimeStamp;
     bool isQmlModule; // implies rootFunction is always 0
     uint unitFlags; // flags merged into CompiledData::Unit::flags
 #ifdef QT_NO_QML_DEBUGGER
@@ -955,7 +956,6 @@ struct Q_QML_PRIVATE_EXPORT Module {
 
     Module(bool debugMode)
         : rootFunction(0)
-        , sourceTimeStamp(0)
         , isQmlModule(false)
         , unitFlags(0)
 #ifndef QT_NO_QML_DEBUGGER
diff --git a/src/qml/configure.json b/src/qml/configure.json
index d22ba3b8f0..2c4887365f 100644
--- a/src/qml/configure.json
+++ b/src/qml/configure.json
@@ -22,6 +22,19 @@
             "label": "QML network support",
             "purpose": "Provides network transparency for QML",
             "output": [ "publicFeature" ]
+        },
+        "qml-profiler": {
+            "label": "Command line QML Profiler",
+            "purpose": "The QML Profiler retrieves QML tracing data from an application.",
+            "condition": [
+                "features.commandlineparser",
+                "features.localserver",
+                "features.process",
+                "features.qml-debug",
+                "features.qml-network",
+                "features.xmlstreamwriter"
+            ],
+            "output": [ "privateFeature" ]
         }
     },
 
diff --git a/src/qml/jit/qv4assembler.cpp b/src/qml/jit/qv4assembler.cpp
index 687c35adfa..81d34701a9 100644
--- a/src/qml/jit/qv4assembler.cpp
+++ b/src/qml/jit/qv4assembler.cpp
@@ -276,9 +276,15 @@ Assembler<TargetConfiguration>::loadArgLocalAddressForWriting(RegisterID baseReg
 
     int32_t offset = 0;
     int scope = al->scope;
-    loadPtr(Address(EngineRegister, qOffsetOf(ExecutionEngine, current)), baseReg);
+    loadPtr(Address(EngineRegister, targetStructureOffset(offsetof(EngineBase, current))), baseReg);
+
+    const qint32 outerOffset = targetStructureOffset(Heap::ExecutionContextData::baseOffset + offsetof(Heap::ExecutionContextData, outer));
+    const qint32 localsOffset = targetStructureOffset(Heap::CallContextData::baseOffset + offsetof(Heap::CallContextData, function))
+                                + 8 // locals is always 8 bytes away from function, regardless of pointer size.
+                                + offsetof(ValueArray<0>, values);
+
     while (scope) {
-        loadPtr(Address(baseReg, qOffsetOf(ExecutionContext::Data, outer)), baseReg);
+        loadPtr(Address(baseReg, outerOffset), baseReg);
         --scope;
     }
     switch (al->kind) {
@@ -287,16 +293,17 @@ Assembler<TargetConfiguration>::loadArgLocalAddressForWriting(RegisterID baseReg
         if (barrier && *barrier == WriteBarrier::Barrier) {
             // if we need a barrier, the baseReg has to point to the ExecutionContext
             // callData comes directly after locals, calculate the offset using that
-            offset = qOffsetOf(CallContext::Data, locals.values) + _function->localsCountForScope(al) * sizeof(Value);
+            offset = localsOffset + _function->localsCountForScope(al) * sizeof(Value);
             offset += sizeof(CallData) + (al->index - 1) * sizeof(Value);
         } else {
-            loadPtr(Address(baseReg, qOffsetOf(ExecutionContext::Data, callData)), baseReg);
+            const qint32 callDataOffset = targetStructureOffset(Heap::ExecutionContextData::baseOffset + offsetof(Heap::ExecutionContextData, callData));
+            loadPtr(Address(baseReg, callDataOffset), baseReg);
             offset = sizeof(CallData) + (al->index - 1) * sizeof(Value);
         }
     } break;
     case IR::ArgLocal::Local:
     case IR::ArgLocal::ScopedLocal: {
-        offset = qOffsetOf(CallContext::Data, locals.values) + al->index * sizeof(Value);
+        offset = localsOffset + al->index * sizeof(Value);
     } break;
     default:
         Q_UNREACHABLE();
@@ -307,9 +314,9 @@ Assembler<TargetConfiguration>::loadArgLocalAddressForWriting(RegisterID baseReg
 template <typename TargetConfiguration>
 typename Assembler<TargetConfiguration>::Pointer Assembler<TargetConfiguration>::loadStringAddress(RegisterID reg, const QString &string)
 {
-    loadPtr(Address(Assembler::EngineRegister, qOffsetOf(QV4::ExecutionEngine, current)), Assembler::ScratchRegister);
-    loadPtr(Address(Assembler::ScratchRegister, qOffsetOf(QV4::Heap::ExecutionContext, compilationUnit)), Assembler::ScratchRegister);
-    loadPtr(Address(Assembler::ScratchRegister, qOffsetOf(QV4::CompiledData::CompilationUnit, runtimeStrings)), reg);
+    loadPtr(Address(Assembler::EngineRegister, targetStructureOffset(offsetof(QV4::EngineBase, current))), Assembler::ScratchRegister);
+    loadPtr(Address(Assembler::ScratchRegister, targetStructureOffset(Heap::ExecutionContextData::baseOffset + offsetof(Heap::ExecutionContextData, compilationUnit))), Assembler::ScratchRegister);
+    loadPtr(Address(Assembler::ScratchRegister, offsetof(CompiledData::CompilationUnitBase, runtimeStrings)), reg);
     const int id = _jsGenerator->registerString(string);
     return Pointer(reg, id * sizeof(QV4::String*));
 }
@@ -323,8 +330,8 @@ typename Assembler<TargetConfiguration>::Address Assembler<TargetConfiguration>:
 template <typename TargetConfiguration>
 typename Assembler<TargetConfiguration>::Address Assembler<TargetConfiguration>::loadConstant(const Primitive &v, RegisterID baseReg)
 {
-    loadPtr(Address(Assembler::EngineRegister, qOffsetOf(QV4::ExecutionEngine, current)), baseReg);
-    loadPtr(Address(baseReg, qOffsetOf(QV4::Heap::ExecutionContext, constantTable)), baseReg);
+    loadPtr(Address(Assembler::EngineRegister, targetStructureOffset(offsetof(QV4::EngineBase, current))), baseReg);
+    loadPtr(Address(baseReg, targetStructureOffset(Heap::ExecutionContextData::baseOffset + offsetof(Heap::ExecutionContextData, constantTable))), baseReg);
     const int index = _jsGenerator->registerConstant(v.asReturnedValue());
     return Address(baseReg, index * sizeof(QV4::Value));
 }
@@ -528,9 +535,9 @@ void Assembler<TargetConfiguration>::returnFromFunction(IR::Ret *s, RegisterInfo
 
     const int locals = stackLayout().calculateJSStackFrameSize();
     subPtr(TrustedImm32(sizeof(QV4::Value)*locals), JITTargetPlatform::LocalsRegister);
-    loadPtr(Address(JITTargetPlatform::EngineRegister, qOffsetOf(QV4::ExecutionEngine, current)), JITTargetPlatform::ScratchRegister);
-    loadPtr(Address(JITTargetPlatform::ScratchRegister, qOffsetOf(ExecutionContext::Data, engine)), JITTargetPlatform::ScratchRegister);
-    storePtr(JITTargetPlatform::LocalsRegister, Address(JITTargetPlatform::ScratchRegister, qOffsetOf(ExecutionEngine, jsStackTop)));
+    loadPtr(Address(JITTargetPlatform::EngineRegister, targetStructureOffset(offsetof(QV4::EngineBase, current))), JITTargetPlatform::ScratchRegister);
+    loadPtr(Address(JITTargetPlatform::ScratchRegister, targetStructureOffset(Heap::ExecutionContextData::baseOffset + offsetof(Heap::ExecutionContextData, engine))), JITTargetPlatform::ScratchRegister);
+    storePtr(JITTargetPlatform::LocalsRegister, Address(JITTargetPlatform::ScratchRegister, targetStructureOffset(offsetof(EngineBase, jsStackTop))));
 
     leaveStandardStackFrame(regularRegistersToSave, fpRegistersToSave);
     ret();
diff --git a/src/qml/jit/qv4assembler_p.h b/src/qml/jit/qv4assembler_p.h
index d56b54f491..addbfc12a3 100644
--- a/src/qml/jit/qv4assembler_p.h
+++ b/src/qml/jit/qv4assembler_p.h
@@ -132,7 +132,7 @@ typedef AssemblerTargetConfiguration<DefaultPlatformMacroAssembler, NoOperatingS
 #define isel_stringIfy(s) isel_stringIfyx(s)
 
 #define generateRuntimeCall(as, t, function, ...) \
-    as->generateFunctionCallImp(Runtime::Method_##function##_NeedsExceptionCheck, t, "Runtime::" isel_stringIfy(function), typename JITAssembler::RuntimeCall(qOffsetOf(QV4::Runtime, function)), __VA_ARGS__)
+    as->generateFunctionCallImp(Runtime::Method_##function##_NeedsExceptionCheck, t, "Runtime::" isel_stringIfy(function), typename JITAssembler::RuntimeCall(QV4::Runtime::function), __VA_ARGS__)
 
 
 template <typename JITAssembler, typename MacroAssembler, typename TargetPlatform, int RegisterSize>
@@ -845,6 +845,12 @@ public:
     using JITTargetPlatform::platformFinishEnteringStandardStackFrame;
     using JITTargetPlatform::platformLeaveStandardStackFrame;
 
+    static qint32 targetStructureOffset(qint32 hostOffset)
+    {
+        Q_ASSERT(hostOffset % QT_POINTER_SIZE == 0);
+        return (hostOffset * RegisterSize) / QT_POINTER_SIZE;
+    }
+
     using RegisterSizeDependentOps = RegisterSizeDependentAssembler<Assembler<TargetConfiguration>, MacroAssembler, JITTargetPlatform, RegisterSize>;
 
     struct LookupCall {
@@ -860,7 +866,7 @@ public:
     struct RuntimeCall {
         Address addr;
 
-        inline RuntimeCall(uint offset = uint(INT_MIN));
+        inline RuntimeCall(Runtime::RuntimeMethods method = Runtime::InvalidRuntimeMethod);
         bool isValid() const { return addr.offset >= 0; }
     };
 
@@ -1406,7 +1412,7 @@ public:
                                  const RegisterInformation &fpRegistersToSave);
 
     void checkException() {
-        this->load8(Address(EngineRegister, qOffsetOf(QV4::ExecutionEngine, hasException)), ScratchRegister);
+        this->load8(Address(EngineRegister, targetStructureOffset(offsetof(QV4::EngineBase, hasException))), ScratchRegister);
         Jump exceptionThrown = branch32(RelationalCondition::NotEqual, ScratchRegister, TrustedImm32(0));
         if (catchBlock)
             addPatch(catchBlock, exceptionThrown);
@@ -1474,8 +1480,8 @@ public:
         // IMPORTANT! See generateLookupCall in qv4isel_masm_p.h for details!
 
         // load the table from the context
-        loadPtr(Address(EngineRegister, qOffsetOf(QV4::ExecutionEngine, current)), ScratchRegister);
-        loadPtr(Address(ScratchRegister, qOffsetOf(QV4::Heap::ExecutionContext, lookups)),
+        loadPtr(Address(EngineRegister, targetStructureOffset(offsetof(QV4::EngineBase, current))), ScratchRegister);
+        loadPtr(Address(ScratchRegister, targetStructureOffset(Heap::ExecutionContextData::baseOffset + offsetof(Heap::ExecutionContextData, lookups))),
                     lookupCall.addr.base);
         // pre-calculate the indirect address for the lookupCall table:
         if (lookupCall.addr.offset)
@@ -1778,9 +1784,9 @@ public:
         const int locals = _stackLayout->calculateJSStackFrameSize();
         if (locals <= 0)
             return;
-        loadPtr(Address(JITTargetPlatform::EngineRegister, qOffsetOf(ExecutionEngine, jsStackTop)), JITTargetPlatform::LocalsRegister);
+        loadPtr(Address(JITTargetPlatform::EngineRegister, targetStructureOffset(offsetof(EngineBase, jsStackTop))), JITTargetPlatform::LocalsRegister);
         RegisterSizeDependentOps::initializeLocalVariables(this, locals);
-        storePtr(JITTargetPlatform::LocalsRegister, Address(JITTargetPlatform::EngineRegister, qOffsetOf(ExecutionEngine, jsStackTop)));
+        storePtr(JITTargetPlatform::LocalsRegister, Address(JITTargetPlatform::EngineRegister, targetStructureOffset(offsetof(EngineBase, jsStackTop))));
     }
 
     Label exceptionReturnLabel;
@@ -1841,8 +1847,9 @@ void Assembler<TargetConfiguration>::copyValue(Result result, IR::Expr* source,
 }
 
 template <typename TargetConfiguration>
-inline Assembler<TargetConfiguration>::RuntimeCall::RuntimeCall(uint offset)
-    : addr(Assembler::EngineRegister, offset + qOffsetOf(QV4::ExecutionEngine, runtime))
+inline Assembler<TargetConfiguration>::RuntimeCall::RuntimeCall(Runtime::RuntimeMethods method)
+    : addr(Assembler::EngineRegister,
+           method == Runtime::InvalidRuntimeMethod ? -1 : (Assembler<TargetConfiguration>::targetStructureOffset(offsetof(EngineBase, runtime) + Runtime::runtimeMethodOffset(method))))
 {
 }
 
diff --git a/src/qml/jit/qv4binop.cpp b/src/qml/jit/qv4binop.cpp
index 0e180eb4cc..a1c65f644c 100644
--- a/src/qml/jit/qv4binop.cpp
+++ b/src/qml/jit/qv4binop.cpp
@@ -165,17 +165,17 @@ struct ArchitectureSpecificBinaryOperation<Assembler<AssemblerTargetConfiguratio
 #endif
 
 #define OP(op) \
-    { "Runtime::" isel_stringIfy(op), offsetof(QV4::Runtime, op), INT_MIN, 0, 0, QV4::Runtime::Method_##op##_NeedsExceptionCheck }
+    { "Runtime::" isel_stringIfy(op), QV4::Runtime::op, QV4::Runtime::InvalidRuntimeMethod, 0, 0, QV4::Runtime::Method_##op##_NeedsExceptionCheck }
 #define OPCONTEXT(op) \
-    { "Runtime::" isel_stringIfy(op), INT_MIN, offsetof(QV4::Runtime, op), 0, 0, QV4::Runtime::Method_##op##_NeedsExceptionCheck }
+    { "Runtime::" isel_stringIfy(op), QV4::Runtime::InvalidRuntimeMethod, QV4::Runtime::op, 0, 0, QV4::Runtime::Method_##op##_NeedsExceptionCheck }
 
 #define INLINE_OP(op, memOp, immOp) \
-    { "Runtime::" isel_stringIfy(op), offsetof(QV4::Runtime, op), INT_MIN, memOp, immOp, QV4::Runtime::Method_##op##_NeedsExceptionCheck }
+    { "Runtime::" isel_stringIfy(op), QV4::Runtime::op, QV4::Runtime::InvalidRuntimeMethod, memOp, immOp, QV4::Runtime::Method_##op##_NeedsExceptionCheck }
 #define INLINE_OPCONTEXT(op, memOp, immOp) \
-    { "Runtime::" isel_stringIfy(op), INT_MIN, offsetof(QV4::Runtime, op), memOp, immOp, QV4::Runtime::Method_##op##_NeedsExceptionCheck }
+    { "Runtime::" isel_stringIfy(op), QV4::Runtime::InvalidRuntimeMethod, QV4::Runtime::op, memOp, immOp, QV4::Runtime::Method_##op##_NeedsExceptionCheck }
 
 #define NULL_OP \
-    { 0, 0, 0, 0, 0, false }
+    { 0, QV4::Runtime::InvalidRuntimeMethod, QV4::Runtime::InvalidRuntimeMethod, 0, 0, false }
 
 template <typename JITAssembler>
 const typename Binop<JITAssembler>::OpInfo Binop<JITAssembler>::operations[IR::LastAluOp + 1] = {
diff --git a/src/qml/jit/qv4binop_p.h b/src/qml/jit/qv4binop_p.h
index d2d9ba7753..1b1ab7f24d 100644
--- a/src/qml/jit/qv4binop_p.h
+++ b/src/qml/jit/qv4binop_p.h
@@ -88,8 +88,8 @@ struct Binop {
 
     struct OpInfo {
         const char *name;
-        int fallbackImplementation; // offsetOf(Runtime,...)
-        int contextImplementation; // offsetOf(Runtime,...)
+        Runtime::RuntimeMethods fallbackImplementation;
+        Runtime::RuntimeMethods contextImplementation;
         MemRegOp inlineMemRegOp;
         ImmRegOp inlineImmRegOp;
         bool needsExceptionCheck;
diff --git a/src/qml/jit/qv4isel_masm.cpp b/src/qml/jit/qv4isel_masm.cpp
index 5b57d29bca..9841620481 100644
--- a/src/qml/jit/qv4isel_masm.cpp
+++ b/src/qml/jit/qv4isel_masm.cpp
@@ -132,8 +132,8 @@ void InstructionSelection<JITAssembler>::run(int functionIndex)
         for (IR::Stmt *s : _block->statements()) {
             if (s->location.isValid()) {
                 if (int(s->location.startLine) != lastLine) {
-                    _as->loadPtr(Address(JITTargetPlatform::EngineRegister, qOffsetOf(QV4::ExecutionEngine, current)), JITTargetPlatform::ScratchRegister);
-                    Address lineAddr(JITTargetPlatform::ScratchRegister, qOffsetOf(QV4::ExecutionContext::Data, lineNumber));
+                    _as->loadPtr(Address(JITTargetPlatform::EngineRegister, JITAssembler::targetStructureOffset(offsetof(QV4::EngineBase, current))), JITTargetPlatform::ScratchRegister);
+                    Address lineAddr(JITTargetPlatform::ScratchRegister, JITAssembler::targetStructureOffset(Heap::ExecutionContextData::baseOffset + offsetof(Heap::ExecutionContextData, lineNumber)));
                     _as->store32(TrustedImm32(s->location.startLine), lineAddr);
                     lastLine = s->location.startLine;
                 }
@@ -449,9 +449,9 @@ void InstructionSelection<JITAssembler>::loadThisObject(IR::Expr *temp)
 {
     WriteBarrier::Type barrier;
     Pointer addr = _as->loadAddressForWriting(JITTargetPlatform::ScratchRegister, temp, &barrier);
-    _as->loadPtr(Address(JITTargetPlatform::EngineRegister, qOffsetOf(QV4::ExecutionEngine, current)), JITTargetPlatform::ReturnValueRegister);
-    _as->loadPtr(Address(JITTargetPlatform::ReturnValueRegister, qOffsetOf(ExecutionContext::Data, callData)), JITTargetPlatform::ReturnValueRegister);
-    _as->copyValue(addr, Address(JITTargetPlatform::ReturnValueRegister, qOffsetOf(CallData, thisObject)), barrier);
+    _as->loadPtr(Address(JITTargetPlatform::EngineRegister, JITAssembler::targetStructureOffset(offsetof(QV4::EngineBase, current))), JITTargetPlatform::ReturnValueRegister);
+    _as->loadPtr(Address(JITTargetPlatform::ReturnValueRegister,JITAssembler::targetStructureOffset(Heap::ExecutionContextData::baseOffset + offsetof(Heap::ExecutionContextData, callData))), JITTargetPlatform::ReturnValueRegister);
+    _as->copyValue(addr, Address(JITTargetPlatform::ReturnValueRegister, offsetof(CallData, thisObject)), barrier);
 }
 
 template <typename JITAssembler>
@@ -522,7 +522,7 @@ void InstructionSelection<JITAssembler>::getActivationProperty(const IR::Name *n
 {
     if (useFastLookups && name->global) {
         uint index = registerGlobalGetterLookup(*name->id);
-        generateLookupCall(target, index, qOffsetOf(QV4::Lookup, globalGetter), JITTargetPlatform::EngineRegister, JITAssembler::Void);
+        generateLookupCall(target, index, offsetof(QV4::Lookup, globalGetter), JITTargetPlatform::EngineRegister, JITAssembler::Void);
         return;
     }
     generateRuntimeCall(_as, target, getActivationProperty, JITTargetPlatform::EngineRegister, StringToIndex(*name->id));
@@ -548,7 +548,7 @@ void InstructionSelection<JITAssembler>::getProperty(IR::Expr *base, const QStri
 {
     if (useFastLookups) {
         uint index = registerGetterLookup(name);
-        generateLookupCall(target, index, qOffsetOf(QV4::Lookup, getter), JITTargetPlatform::EngineRegister, PointerToValue(base), JITAssembler::Void);
+        generateLookupCall(target, index, offsetof(QV4::Lookup, getter), JITTargetPlatform::EngineRegister, PointerToValue(base), JITAssembler::Void);
     } else {
         generateRuntimeCall(_as, target, getProperty, JITTargetPlatform::EngineRegister,
                              PointerToValue(base), StringToIndex(name));
@@ -587,7 +587,7 @@ void InstructionSelection<JITAssembler>::setProperty(IR::Expr *source, IR::Expr
 {
     if (useFastLookups) {
         uint index = registerSetterLookup(targetName);
-        generateLookupCall(JITAssembler::Void, index, qOffsetOf(QV4::Lookup, setter),
+        generateLookupCall(JITAssembler::Void, index, offsetof(QV4::Lookup, setter),
                            JITTargetPlatform::EngineRegister,
                            PointerToValue(targetBase),
                            PointerToValue(source));
@@ -623,7 +623,7 @@ void InstructionSelection<JITAssembler>::getElement(IR::Expr *base, IR::Expr *in
 {
     if (useFastLookups) {
         uint lookup = registerIndexedGetterLookup();
-        generateLookupCall(target, lookup, qOffsetOf(QV4::Lookup, indexedGetter),
+        generateLookupCall(target, lookup, offsetof(QV4::Lookup, indexedGetter),
                            JITTargetPlatform::EngineRegister,
                            PointerToValue(base),
                            PointerToValue(index));
@@ -639,7 +639,7 @@ void InstructionSelection<JITAssembler>::setElement(IR::Expr *source, IR::Expr *
 {
     if (useFastLookups) {
         uint lookup = registerIndexedSetterLookup();
-        generateLookupCall(JITAssembler::Void, lookup, qOffsetOf(QV4::Lookup, indexedSetter),
+        generateLookupCall(JITAssembler::Void, lookup, offsetof(QV4::Lookup, indexedSetter),
                            JITTargetPlatform::EngineRegister,
                            PointerToValue(targetBase), PointerToValue(targetIndex),
                            PointerToValue(source));
@@ -799,12 +799,12 @@ void InstructionSelection<JITAssembler>::swapValues(IR::Expr *source, IR::Expr *
 
 #define setOp(op, opName, operation) \
     do { \
-        op = typename JITAssembler::RuntimeCall(qOffsetOf(QV4::Runtime, operation)); opName = "Runtime::" isel_stringIfy(operation); \
+        op = typename JITAssembler::RuntimeCall(QV4::Runtime::operation); opName = "Runtime::" isel_stringIfy(operation); \
         needsExceptionCheck = QV4::Runtime::Method_##operation##_NeedsExceptionCheck; \
     } while (0)
 #define setOpContext(op, opName, operation) \
     do { \
-        opContext = typename JITAssembler::RuntimeCall(qOffsetOf(QV4::Runtime, operation)); opName = "Runtime::" isel_stringIfy(operation); \
+        opContext = typename JITAssembler::RuntimeCall(QV4::Runtime::operation); opName = "Runtime::" isel_stringIfy(operation); \
         needsExceptionCheck = QV4::Runtime::Method_##operation##_NeedsExceptionCheck; \
     } while (0)
 
@@ -1321,11 +1321,11 @@ int InstructionSelection<JITAssembler>::prepareCallData(IR::ExprList* args, IR::
         ++argc;
     }
 
-    Pointer p = _as->stackLayout().callDataAddress(qOffsetOf(CallData, tag));
+    Pointer p = _as->stackLayout().callDataAddress(offsetof(CallData, tag));
     _as->store32(TrustedImm32(QV4::Value::Integer_Type_Internal), p);
-    p = _as->stackLayout().callDataAddress(qOffsetOf(CallData, argc));
+    p = _as->stackLayout().callDataAddress(offsetof(CallData, argc));
     _as->store32(TrustedImm32(argc), p);
-    p = _as->stackLayout().callDataAddress(qOffsetOf(CallData, thisObject));
+    p = _as->stackLayout().callDataAddress(offsetof(CallData, thisObject));
     if (!thisObject)
         _as->storeValue(QV4::Primitive::undefinedValue(), p, WriteBarrier::NoBarrier);
     else
diff --git a/src/qml/jit/qv4unop.cpp b/src/qml/jit/qv4unop.cpp
index 76c6457d67..896be07ed5 100644
--- a/src/qml/jit/qv4unop.cpp
+++ b/src/qml/jit/qv4unop.cpp
@@ -48,7 +48,7 @@ using namespace JIT;
 #define stringIfy(s) stringIfyx(s)
 #define setOp(operation) \
     do { \
-        call = typename JITAssembler::RuntimeCall(qOffsetOf(QV4::Runtime, operation)); name = "Runtime::" stringIfy(operation); \
+        call = typename JITAssembler::RuntimeCall(QV4::Runtime::operation); name = "Runtime::" stringIfy(operation); \
         needsExceptionCheck = Runtime::Method_##operation##_NeedsExceptionCheck; \
     } while (0)
 
diff --git a/src/qml/jsruntime/qv4arraydata.cpp b/src/qml/jsruntime/qv4arraydata.cpp
index f8c2d3f82b..4a619858b4 100644
--- a/src/qml/jsruntime/qv4arraydata.cpp
+++ b/src/qml/jsruntime/qv4arraydata.cpp
@@ -678,7 +678,7 @@ bool ArrayElementLessThan::operator()(Value v1, Value v2) const
         callData->thisObject = Primitive::undefinedValue();
         callData->args[0] = v1;
         callData->args[1] = v2;
-        result = scope.engine->runtime.callValue(scope.engine, m_comparefn, callData);
+        result = QV4::Runtime::method_callValue(scope.engine, m_comparefn, callData);
 
         return result->toNumber() < 0;
     }
diff --git a/src/qml/jsruntime/qv4context.cpp b/src/qml/jsruntime/qv4context.cpp
index d2f2529979..b71e71b92f 100644
--- a/src/qml/jsruntime/qv4context.cpp
+++ b/src/qml/jsruntime/qv4context.cpp
@@ -75,8 +75,8 @@ Heap::CallContext *ExecutionContext::newCallContext(Function *function, CallData
     c->outer.set(d()->engine, this->d());
 
     c->compilationUnit = function->compilationUnit;
-    c->lookups = c->compilationUnit->runtimeLookups;
-    c->constantTable = c->compilationUnit->constants;
+    c->lookups = function->compilationUnit->runtimeLookups;
+    c->constantTable = function->compilationUnit->constants;
 
     const CompiledData::Function *compiledFunction = function->compiledFunction;
     uint nLocals = compiledFunction->nLocals;
diff --git a/src/qml/jsruntime/qv4context_p.h b/src/qml/jsruntime/qv4context_p.h
index 79e5f74d8f..3b37ea69dc 100644
--- a/src/qml/jsruntime/qv4context_p.h
+++ b/src/qml/jsruntime/qv4context_p.h
@@ -61,7 +61,7 @@ class QQmlContextData;
 namespace QV4 {
 
 namespace CompiledData {
-struct CompilationUnit;
+struct CompilationUnitBase;
 struct Function;
 }
 
@@ -74,6 +74,8 @@ struct WithContext;
 struct QmlContext;
 struct QmlContextWrapper;
 
+// Attention: Make sure that this structure is the same size on 32-bit and 64-bit
+// architecture or you'll have to change the JIT code.
 struct CallData
 {
     // below is to be compatible with Value. Initialize tag to 0
@@ -92,15 +94,27 @@ struct CallData
     Value args[1];
 };
 
+Q_STATIC_ASSERT(std::is_standard_layout<CallData>::value);
+Q_STATIC_ASSERT(offsetof(CallData, thisObject) == 8);
+Q_STATIC_ASSERT(offsetof(CallData, args) == 16);
+
 namespace Heap {
 
 struct QmlContext;
 
 #define ExecutionContextMembers(class, Member) \
-    Member(class, Pointer, ExecutionContext *, outer)
+    Member(class, NoMark, CallData *, callData)  \
+    Member(class, NoMark, ExecutionEngine *, engine) \
+    Member(class, Pointer, ExecutionContext *, outer) \
+    Member(class, NoMark, Lookup *, lookups) \
+    Member(class, NoMark, const QV4::Value *, constantTable) \
+    Member(class, NoMark, CompiledData::CompilationUnitBase *, compilationUnit) \
+    Member(class, NoMark, int, lineNumber) // as member of non-pointer size this has to come last to preserve the ability to
+                                           // translate offsetof of it between 64-bit and 32-bit.
 
 DECLARE_HEAP_OBJECT(ExecutionContext, Base) {
     DECLARE_MARK_TABLE(ExecutionContext);
+
     enum ContextType {
         Type_GlobalContext = 0x1,
         Type_CatchContext = 0x2,
@@ -119,18 +133,25 @@ DECLARE_HEAP_OBJECT(ExecutionContext, Base) {
         lineNumber = -1;
     }
 
-    CallData *callData;
-
-    ExecutionEngine *engine;
-    Lookup *lookups;
-    const QV4::Value *constantTable;
-    CompiledData::CompilationUnit *compilationUnit;
-
-    ContextType type : 8;
+    quint8 type;
     bool strictMode : 8;
-    int lineNumber;
+#if QT_POINTER_SIZE == 8
+    quint8 padding_[6];
+#else
+    quint8 padding_[2];
+#endif
 };
 V4_ASSERT_IS_TRIVIAL(ExecutionContext)
+Q_STATIC_ASSERT(sizeof(ExecutionContext) == sizeof(Base) + sizeof(ExecutionContextData) + QT_POINTER_SIZE);
+
+Q_STATIC_ASSERT(std::is_standard_layout<ExecutionContextData>::value);
+Q_STATIC_ASSERT(offsetof(ExecutionContextData, callData) == 0);
+Q_STATIC_ASSERT(offsetof(ExecutionContextData, engine) == offsetof(ExecutionContextData, callData) + QT_POINTER_SIZE);
+Q_STATIC_ASSERT(offsetof(ExecutionContextData, outer) == offsetof(ExecutionContextData, engine) + QT_POINTER_SIZE);
+Q_STATIC_ASSERT(offsetof(ExecutionContextData, lookups) == offsetof(ExecutionContextData, outer) + QT_POINTER_SIZE);
+Q_STATIC_ASSERT(offsetof(ExecutionContextData, constantTable) == offsetof(ExecutionContextData, lookups) + QT_POINTER_SIZE);
+Q_STATIC_ASSERT(offsetof(ExecutionContextData, compilationUnit) == offsetof(ExecutionContextData, constantTable) + QT_POINTER_SIZE);
+Q_STATIC_ASSERT(offsetof(ExecutionContextData, lineNumber) == offsetof(ExecutionContextData, compilationUnit) + QT_POINTER_SIZE);
 
 #define SimpleCallContextMembers(class, Member) \
     Member(class, Pointer, Object *, activation) \
@@ -148,10 +169,22 @@ DECLARE_HEAP_OBJECT(SimpleCallContext, ExecutionContext) {
 
 };
 V4_ASSERT_IS_TRIVIAL(SimpleCallContext)
+Q_STATIC_ASSERT(std::is_standard_layout<SimpleCallContextData>::value);
+Q_STATIC_ASSERT(offsetof(SimpleCallContextData, activation) == 0);
+Q_STATIC_ASSERT(offsetof(SimpleCallContextData, v4Function) == offsetof(SimpleCallContextData, activation) + QT_POINTER_SIZE);
+Q_STATIC_ASSERT(sizeof(SimpleCallContextData) == 2 * QT_POINTER_SIZE);
+Q_STATIC_ASSERT(sizeof(SimpleCallContext) == sizeof(ExecutionContext) + sizeof(SimpleCallContextData));
 
+#if QT_POINTER_SIZE == 8
+#define CallContextMembers(class, Member) \
+    Member(class, Pointer, FunctionObject *, function) \
+    Member(class, ValueArray, ValueArray, locals)
+#else
 #define CallContextMembers(class, Member) \
     Member(class, Pointer, FunctionObject *, function) \
-    Member(class, ValueArray, ValueArray, locals) \
+    Member(class, NoMark, void *, padding) \
+    Member(class, ValueArray, ValueArray, locals)
+#endif
 
 DECLARE_HEAP_OBJECT(CallContext, SimpleCallContext) {
     DECLARE_MARK_TABLE(CallContext);
@@ -159,6 +192,13 @@ DECLARE_HEAP_OBJECT(CallContext, SimpleCallContext) {
     using SimpleCallContext::formalParameterCount;
 };
 
+Q_STATIC_ASSERT(std::is_standard_layout<CallContextData>::value);
+Q_STATIC_ASSERT(offsetof(CallContextData, function) == 0);
+// IMPORTANT: we cannot do offsetof(CallContextData, locals) in the JIT as the offset does not scale with
+// the pointer size. On 32-bit ARM the offset of the ValueArray is aligned to 8 bytes, on 32-bit x86 for
+// example it is not. Therefore we have a padding in place and always have a distance of 8 bytes.
+Q_STATIC_ASSERT(offsetof(CallContextData, locals) == offsetof(CallContextData, function) + 8);
+
 #define GlobalContextMembers(class, Member) \
     Member(class, Pointer, Object *, global)
 
diff --git a/src/qml/jsruntime/qv4engine.cpp b/src/qml/jsruntime/qv4engine.cpp
index 899fd499df..679cd41ce0 100644
--- a/src/qml/jsruntime/qv4engine.cpp
+++ b/src/qml/jsruntime/qv4engine.cpp
@@ -131,7 +131,6 @@ qint32 ExecutionEngine::maxCallDepth = -1;
 
 ExecutionEngine::ExecutionEngine(EvalISelFactory *factory)
     : callDepth(0)
-    , memoryManager(new QV4::MemoryManager(this))
     , executableAllocator(new QV4::ExecutableAllocator)
     , regExpAllocator(new QV4::ExecutableAllocator)
     , currentContext(0)
@@ -151,6 +150,8 @@ ExecutionEngine::ExecutionEngine(EvalISelFactory *factory)
 {
     writeBarrierActive = true;
 
+    memoryManager = new QV4::MemoryManager(this);
+
     if (maxCallDepth == -1) {
         bool ok = false;
         maxCallDepth = qEnvironmentVariableIntValue("QV4_MAX_CALL_DEPTH", &ok);
diff --git a/src/qml/jsruntime/qv4engine_p.h b/src/qml/jsruntime/qv4engine_p.h
index 18571d88f2..1160d69c6c 100644
--- a/src/qml/jsruntime/qv4engine_p.h
+++ b/src/qml/jsruntime/qv4engine_p.h
@@ -54,7 +54,6 @@
 #include "private/qv4isel_p.h"
 #include "qv4managed_p.h"
 #include "qv4context_p.h"
-#include "qv4runtimeapi_p.h"
 #include <private/qintrusivelist_p.h>
 
 #ifndef V4_BOOTSTRAP
@@ -99,7 +98,6 @@ private:
 public:
     qint32 callDepth;
 
-    MemoryManager *memoryManager;
     ExecutableAllocator *executableAllocator;
     ExecutableAllocator *regExpAllocator;
     QScopedPointer<EvalISelFactory> iselFactory;
@@ -108,8 +106,6 @@ public:
 
     Value *jsStackLimit;
 
-    Runtime runtime;
-
     WTF::BumpPointerAllocator *bumperPointerAllocator; // Used by Yarr Regex engine.
 
     enum { JSStackLimit = 4*1024*1024 };
diff --git a/src/qml/jsruntime/qv4global_p.h b/src/qml/jsruntime/qv4global_p.h
index cd8fb91f7a..0665295287 100644
--- a/src/qml/jsruntime/qv4global_p.h
+++ b/src/qml/jsruntime/qv4global_p.h
@@ -89,8 +89,6 @@ inline bool signbit(double d) { return _copysign(1.0, d) < 0; }
 inline double trunc(double d) { return d > 0 ? floor(d) : ceil(d); }
 #endif
 
-#define qOffsetOf(s, m) ((size_t)((((char *)&(((s *)64)->m)) - 64)))
-
 // Decide whether to enable or disable the JIT
 
 // White list architectures
diff --git a/src/qml/jsruntime/qv4lookup_p.h b/src/qml/jsruntime/qv4lookup_p.h
index 1b1c307530..daf3c71e27 100644
--- a/src/qml/jsruntime/qv4lookup_p.h
+++ b/src/qml/jsruntime/qv4lookup_p.h
@@ -140,6 +140,12 @@ struct Lookup {
 
 };
 
+Q_STATIC_ASSERT(std::is_standard_layout<Lookup>::value);
+// Ensure that these offsets are always at this point to keep generated code compatible
+// across 32-bit and 64-bit (matters when cross-compiling).
+Q_STATIC_ASSERT(offsetof(Lookup, indexedGetter) == 0);
+Q_STATIC_ASSERT(offsetof(Lookup, getter) == 0);
+
 }
 
 QT_END_NAMESPACE
diff --git a/src/qml/jsruntime/qv4runtime.cpp b/src/qml/jsruntime/qv4runtime.cpp
index 2e833eda7b..3b92096386 100644
--- a/src/qml/jsruntime/qv4runtime.cpp
+++ b/src/qml/jsruntime/qv4runtime.cpp
@@ -219,6 +219,14 @@ void RuntimeCounters::count(const char *func, uint tag1, uint tag2)
 #endif // QV4_COUNT_RUNTIME_FUNCTIONS
 
 #ifndef V4_BOOTSTRAP
+
+Runtime::Runtime()
+{
+#define INIT_METHOD(returnvalue, name, args) runtimeMethods[name] = reinterpret_cast<void*>(&method_##name);
+FOR_EACH_RUNTIME_METHOD(INIT_METHOD)
+#undef INIT_METHOD
+}
+
 void RuntimeHelpers::numberToString(QString *result, double num, int radix)
 {
     Q_ASSERT(result);
@@ -300,7 +308,7 @@ void RuntimeHelpers::numberToString(QString *result, double num, int radix)
 
 ReturnedValue Runtime::method_closure(ExecutionEngine *engine, int functionId)
 {
-    QV4::Function *clos = engine->current->compilationUnit->runtimeFunctions[functionId];
+    QV4::Function *clos = static_cast<CompiledData::CompilationUnit*>(engine->current->compilationUnit)->runtimeFunctions[functionId];
     Q_ASSERT(clos);
     return FunctionObject::createScriptFunction(engine->currentContext, clos)->asReturnedValue();
 }
@@ -1301,7 +1309,7 @@ ReturnedValue Runtime::method_arrayLiteral(ExecutionEngine *engine, Value *value
 ReturnedValue Runtime::method_objectLiteral(ExecutionEngine *engine, const QV4::Value *args, int classId, int arrayValueCount, int arrayGetterSetterCountAndFlags)
 {
     Scope scope(engine);
-    QV4::InternalClass *klass = engine->current->compilationUnit->runtimeClasses[classId];
+    QV4::InternalClass *klass = static_cast<CompiledData::CompilationUnit*>(engine->current->compilationUnit)->runtimeClasses[classId];
     ScopedObject o(scope, engine->newObject(klass, engine->objectPrototype()));
 
     {
@@ -1413,7 +1421,7 @@ ReturnedValue Runtime::method_getQmlContext(NoThrowEngine *engine)
 
 ReturnedValue Runtime::method_regexpLiteral(ExecutionEngine *engine, int id)
 {
-    return engine->current->compilationUnit->runtimeRegularExpressions[id].asReturnedValue();
+    return static_cast<CompiledData::CompilationUnit*>(engine->current->compilationUnit)->runtimeRegularExpressions[id].asReturnedValue();
 }
 
 ReturnedValue Runtime::method_getQmlQObjectProperty(ExecutionEngine *engine, const Value &object, int propertyIndex, bool captureRequired)
diff --git a/src/qml/jsruntime/qv4runtimeapi_p.h b/src/qml/jsruntime/qv4runtimeapi_p.h
index 355b7890b6..302facba06 100644
--- a/src/qml/jsruntime/qv4runtimeapi_p.h
+++ b/src/qml/jsruntime/qv4runtimeapi_p.h
@@ -56,6 +56,7 @@ QT_BEGIN_NAMESPACE
 
 namespace QV4 {
 
+typedef uint Bool;
 struct NoThrowEngine;
 
 namespace {
@@ -90,256 +91,169 @@ struct ExceptionCheck<void (*)(QV4::NoThrowEngine *, A, B, C)> {
 };
 } // anonymous namespace
 
-#define RUNTIME_METHOD(returnvalue, name, args) \
-    typedef returnvalue (*Method_##name)args; \
-    enum { Method_##name##_NeedsExceptionCheck = ExceptionCheck<Method_##name>::NeedsCheck }; \
-    static returnvalue method_##name args; \
-    const Method_##name name
-
-#define INIT_RUNTIME_METHOD(name) \
-    name(method_##name)
+#define FOR_EACH_RUNTIME_METHOD(F) \
+    /* call */ \
+    F(ReturnedValue, callGlobalLookup, (ExecutionEngine *engine, uint index, CallData *callData)) \
+    F(ReturnedValue, callActivationProperty, (ExecutionEngine *engine, int nameIndex, CallData *callData)) \
+    F(ReturnedValue, callQmlScopeObjectProperty, (ExecutionEngine *engine, int propertyIndex, CallData *callData)) \
+    F(ReturnedValue, callQmlContextObjectProperty, (ExecutionEngine *engine, int propertyIndex, CallData *callData)) \
+    F(ReturnedValue, callProperty, (ExecutionEngine *engine, int nameIndex, CallData *callData)) \
+    F(ReturnedValue, callPropertyLookup, (ExecutionEngine *engine, uint index, CallData *callData)) \
+    F(ReturnedValue, callElement, (ExecutionEngine *engine, const Value &index, CallData *callData)) \
+    F(ReturnedValue, callValue, (ExecutionEngine *engine, const Value &func, CallData *callData)) \
+    \
+    /* construct */ \
+    F(ReturnedValue, constructGlobalLookup, (ExecutionEngine *engine, uint index, CallData *callData)) \
+    F(ReturnedValue, constructActivationProperty, (ExecutionEngine *engine, int nameIndex, CallData *callData)) \
+    F(ReturnedValue, constructProperty, (ExecutionEngine *engine, int nameIndex, CallData *callData)) \
+    F(ReturnedValue, constructPropertyLookup, (ExecutionEngine *engine, uint index, CallData *callData)) \
+    F(ReturnedValue, constructValue, (ExecutionEngine *engine, const Value &func, CallData *callData)) \
+    \
+    /* set & get */ \
+    F(void, setActivationProperty, (ExecutionEngine *engine, int nameIndex, const Value &value)) \
+    F(void, setProperty, (ExecutionEngine *engine, const Value &object, int nameIndex, const Value &value)) \
+    F(void, setElement, (ExecutionEngine *engine, const Value &object, const Value &index, const Value &value)) \
+    F(ReturnedValue, getProperty, (ExecutionEngine *engine, const Value &object, int nameIndex)) \
+    F(ReturnedValue, getActivationProperty, (ExecutionEngine *engine, int nameIndex)) \
+    F(ReturnedValue, getElement, (ExecutionEngine *engine, const Value &object, const Value &index)) \
+    \
+    /* typeof */  \
+    F(ReturnedValue, typeofValue, (ExecutionEngine *engine, const Value &val)) \
+    F(ReturnedValue, typeofName, (ExecutionEngine *engine, int nameIndex)) \
+    F(ReturnedValue, typeofScopeObjectProperty, (ExecutionEngine *engine, const Value &context, int propertyIndex)) \
+    F(ReturnedValue, typeofContextObjectProperty, (ExecutionEngine *engine, const Value &context, int propertyIndex)) \
+    F(ReturnedValue, typeofMember, (ExecutionEngine *engine, const Value &base, int nameIndex)) \
+    F(ReturnedValue, typeofElement, (ExecutionEngine *engine, const Value &base, const Value &index)) \
+    \
+    /* delete */ \
+    F(ReturnedValue, deleteElement, (ExecutionEngine *engine, const Value &base, const Value &index)) \
+    F(ReturnedValue, deleteMember, (ExecutionEngine *engine, const Value &base, int nameIndex)) \
+    F(ReturnedValue, deleteMemberString, (ExecutionEngine *engine, const Value &base, String *name)) \
+    F(ReturnedValue, deleteName, (ExecutionEngine *engine, int nameIndex)) \
+    \
+    /* exceptions & scopes */ \
+    F(void, throwException, (ExecutionEngine *engine, const Value &value)) \
+    F(ReturnedValue, unwindException, (ExecutionEngine *engine)) \
+    F(void, pushWithScope, (const Value &o, NoThrowEngine *engine)) \
+    F(void, pushCatchScope, (NoThrowEngine *engine, int exceptionVarNameIndex)) \
+    F(void, popScope, (NoThrowEngine *engine)) \
+    \
+    /* closures */ \
+    F(ReturnedValue, closure, (ExecutionEngine *engine, int functionId)) \
+    \
+    /* function header */ \
+    F(void, declareVar, (ExecutionEngine *engine, bool deletable, int nameIndex)) \
+    F(ReturnedValue, setupArgumentsObject, (ExecutionEngine *engine)) \
+    F(void, convertThisToObject, (ExecutionEngine *engine)) \
+    \
+    /* literals */ \
+    F(ReturnedValue, arrayLiteral, (ExecutionEngine *engine, Value *values, uint length)) \
+    F(ReturnedValue, objectLiteral, (ExecutionEngine *engine, const Value *args, int classId, int arrayValueCount, int arrayGetterSetterCountAndFlags)) \
+    F(ReturnedValue, regexpLiteral, (ExecutionEngine *engine, int id)) \
+    \
+    /* foreach */ \
+    F(ReturnedValue, foreachIterator, (ExecutionEngine *engine, const Value &in)) \
+    F(ReturnedValue, foreachNextPropertyName, (const Value &foreach_iterator)) \
+    \
+    /* unary operators */ \
+    F(ReturnedValue, uPlus, (const Value &value)) \
+    F(ReturnedValue, uMinus, (const Value &value)) \
+    F(ReturnedValue, uNot, (const Value &value)) \
+    F(ReturnedValue, complement, (const Value &value)) \
+    F(ReturnedValue, increment, (const Value &value)) \
+    F(ReturnedValue, decrement, (const Value &value)) \
+    \
+    /* binary operators */ \
+    F(ReturnedValue, instanceof, (ExecutionEngine *engine, const Value &left, const Value &right)) \
+    F(ReturnedValue, in, (ExecutionEngine *engine, const Value &left, const Value &right)) \
+    F(ReturnedValue, add, (ExecutionEngine *engine, const Value &left, const Value &right)) \
+    F(ReturnedValue, addString, (ExecutionEngine *engine, const Value &left, const Value &right)) \
+    F(ReturnedValue, bitOr, (const Value &left, const Value &right)) \
+    F(ReturnedValue, bitXor, (const Value &left, const Value &right)) \
+    F(ReturnedValue, bitAnd, (const Value &left, const Value &right)) \
+    F(ReturnedValue, sub, (const Value &left, const Value &right)) \
+    F(ReturnedValue, mul, (const Value &left, const Value &right)) \
+    F(ReturnedValue, div, (const Value &left, const Value &right)) \
+    F(ReturnedValue, mod, (const Value &left, const Value &right)) \
+    F(ReturnedValue, shl, (const Value &left, const Value &right)) \
+    F(ReturnedValue, shr, (const Value &left, const Value &right)) \
+    F(ReturnedValue, ushr, (const Value &left, const Value &right)) \
+    F(ReturnedValue, greaterThan, (const Value &left, const Value &right)) \
+    F(ReturnedValue, lessThan, (const Value &left, const Value &right)) \
+    F(ReturnedValue, greaterEqual, (const Value &left, const Value &right)) \
+    F(ReturnedValue, lessEqual, (const Value &left, const Value &right)) \
+    F(ReturnedValue, equal, (const Value &left, const Value &right)) \
+    F(ReturnedValue, notEqual, (const Value &left, const Value &right)) \
+    F(ReturnedValue, strictEqual, (const Value &left, const Value &right)) \
+    F(ReturnedValue, strictNotEqual, (const Value &left, const Value &right)) \
+    \
+    /* comparisons */ \
+    F(Bool, compareGreaterThan, (const Value &l, const Value &r)) \
+    F(Bool, compareLessThan, (const Value &l, const Value &r)) \
+    F(Bool, compareGreaterEqual, (const Value &l, const Value &r)) \
+    F(Bool, compareLessEqual, (const Value &l, const Value &r)) \
+    F(Bool, compareEqual, (const Value &left, const Value &right)) \
+    F(Bool, compareNotEqual, (const Value &left, const Value &right)) \
+    F(Bool, compareStrictEqual, (const Value &left, const Value &right)) \
+    F(Bool, compareStrictNotEqual, (const Value &left, const Value &right)) \
+    \
+    F(Bool, compareInstanceof, (ExecutionEngine *engine, const Value &left, const Value &right)) \
+    F(Bool, compareIn, (ExecutionEngine *engine, const Value &left, const Value &right)) \
+    \
+    /* conversions */ \
+    F(Bool, toBoolean, (const Value &value)) \
+    F(ReturnedValue, toDouble, (const Value &value)) \
+    F(int, toInt, (const Value &value)) \
+    F(int, doubleToInt, (const double &d)) \
+    F(unsigned, toUInt, (const Value &value)) \
+    F(unsigned, doubleToUInt, (const double &d)) \
+    \
+    /* qml */ \
+    F(ReturnedValue, getQmlContext, (NoThrowEngine *engine)) \
+    F(ReturnedValue, getQmlImportedScripts, (NoThrowEngine *engine)) \
+    F(ReturnedValue, getQmlSingleton, (NoThrowEngine *engine, int nameIndex)) \
+    F(ReturnedValue, getQmlAttachedProperty, (ExecutionEngine *engine, int attachedPropertiesId, int propertyIndex)) \
+    F(ReturnedValue, getQmlScopeObjectProperty, (ExecutionEngine *engine, const Value &context, int propertyIndex, bool captureRequired)) \
+    F(ReturnedValue, getQmlContextObjectProperty, (ExecutionEngine *engine, const Value &context, int propertyIndex, bool captureRequired)) \
+    F(ReturnedValue, getQmlQObjectProperty, (ExecutionEngine *engine, const Value &object, int propertyIndex, bool captureRequired)) \
+    F(ReturnedValue, getQmlSingletonQObjectProperty, (ExecutionEngine *engine, const Value &object, int propertyIndex, bool captureRequired)) \
+    F(ReturnedValue, getQmlIdObject, (ExecutionEngine *engine, const Value &context, uint index)) \
+    \
+    F(void, setQmlScopeObjectProperty, (ExecutionEngine *engine, const Value &context, int propertyIndex, const Value &value)) \
+    F(void, setQmlContextObjectProperty, (ExecutionEngine *engine, const Value &context, int propertyIndex, const Value &value)) \
+    F(void, setQmlQObjectProperty, (ExecutionEngine *engine, const Value &object, int propertyIndex, const Value &value))
 
 struct Q_QML_PRIVATE_EXPORT Runtime {
-    Runtime()
-        : INIT_RUNTIME_METHOD(callGlobalLookup)
-        , INIT_RUNTIME_METHOD(callActivationProperty)
-        , INIT_RUNTIME_METHOD(callQmlScopeObjectProperty)
-        , INIT_RUNTIME_METHOD(callQmlContextObjectProperty)
-        , INIT_RUNTIME_METHOD(callProperty)
-        , INIT_RUNTIME_METHOD(callPropertyLookup)
-        , INIT_RUNTIME_METHOD(callElement)
-        , INIT_RUNTIME_METHOD(callValue)
-        , INIT_RUNTIME_METHOD(constructGlobalLookup)
-        , INIT_RUNTIME_METHOD(constructActivationProperty)
-        , INIT_RUNTIME_METHOD(constructProperty)
-        , INIT_RUNTIME_METHOD(constructPropertyLookup)
-        , INIT_RUNTIME_METHOD(constructValue)
-        , INIT_RUNTIME_METHOD(setActivationProperty)
-        , INIT_RUNTIME_METHOD(setProperty)
-        , INIT_RUNTIME_METHOD(setElement)
-        , INIT_RUNTIME_METHOD(getProperty)
-        , INIT_RUNTIME_METHOD(getActivationProperty)
-        , INIT_RUNTIME_METHOD(getElement)
-        , INIT_RUNTIME_METHOD(typeofValue)
-        , INIT_RUNTIME_METHOD(typeofName)
-        , INIT_RUNTIME_METHOD(typeofScopeObjectProperty)
-        , INIT_RUNTIME_METHOD(typeofContextObjectProperty)
-        , INIT_RUNTIME_METHOD(typeofMember)
-        , INIT_RUNTIME_METHOD(typeofElement)
-        , INIT_RUNTIME_METHOD(deleteElement)
-        , INIT_RUNTIME_METHOD(deleteMember)
-        , INIT_RUNTIME_METHOD(deleteMemberString)
-        , INIT_RUNTIME_METHOD(deleteName)
-        , INIT_RUNTIME_METHOD(throwException)
-        , INIT_RUNTIME_METHOD(unwindException)
-        , INIT_RUNTIME_METHOD(pushWithScope)
-        , INIT_RUNTIME_METHOD(pushCatchScope)
-        , INIT_RUNTIME_METHOD(popScope)
-        , INIT_RUNTIME_METHOD(closure)
-        , INIT_RUNTIME_METHOD(declareVar)
-        , INIT_RUNTIME_METHOD(setupArgumentsObject)
-        , INIT_RUNTIME_METHOD(convertThisToObject)
-        , INIT_RUNTIME_METHOD(arrayLiteral)
-        , INIT_RUNTIME_METHOD(objectLiteral)
-        , INIT_RUNTIME_METHOD(regexpLiteral)
-        , INIT_RUNTIME_METHOD(foreachIterator)
-        , INIT_RUNTIME_METHOD(foreachNextPropertyName)
-        , INIT_RUNTIME_METHOD(uPlus)
-        , INIT_RUNTIME_METHOD(uMinus)
-        , INIT_RUNTIME_METHOD(uNot)
-        , INIT_RUNTIME_METHOD(complement)
-        , INIT_RUNTIME_METHOD(increment)
-        , INIT_RUNTIME_METHOD(decrement)
-        , INIT_RUNTIME_METHOD(instanceof)
-        , INIT_RUNTIME_METHOD(in)
-        , INIT_RUNTIME_METHOD(add)
-        , INIT_RUNTIME_METHOD(addString)
-        , INIT_RUNTIME_METHOD(bitOr)
-        , INIT_RUNTIME_METHOD(bitXor)
-        , INIT_RUNTIME_METHOD(bitAnd)
-        , INIT_RUNTIME_METHOD(sub)
-        , INIT_RUNTIME_METHOD(mul)
-        , INIT_RUNTIME_METHOD(div)
-        , INIT_RUNTIME_METHOD(mod)
-        , INIT_RUNTIME_METHOD(shl)
-        , INIT_RUNTIME_METHOD(shr)
-        , INIT_RUNTIME_METHOD(ushr)
-        , INIT_RUNTIME_METHOD(greaterThan)
-        , INIT_RUNTIME_METHOD(lessThan)
-        , INIT_RUNTIME_METHOD(greaterEqual)
-        , INIT_RUNTIME_METHOD(lessEqual)
-        , INIT_RUNTIME_METHOD(equal)
-        , INIT_RUNTIME_METHOD(notEqual)
-        , INIT_RUNTIME_METHOD(strictEqual)
-        , INIT_RUNTIME_METHOD(strictNotEqual)
-        , INIT_RUNTIME_METHOD(compareGreaterThan)
-        , INIT_RUNTIME_METHOD(compareLessThan)
-        , INIT_RUNTIME_METHOD(compareGreaterEqual)
-        , INIT_RUNTIME_METHOD(compareLessEqual)
-        , INIT_RUNTIME_METHOD(compareEqual)
-        , INIT_RUNTIME_METHOD(compareNotEqual)
-        , INIT_RUNTIME_METHOD(compareStrictEqual)
-        , INIT_RUNTIME_METHOD(compareStrictNotEqual)
-        , INIT_RUNTIME_METHOD(compareInstanceof)
-        , INIT_RUNTIME_METHOD(compareIn)
-        , INIT_RUNTIME_METHOD(toBoolean)
-        , INIT_RUNTIME_METHOD(toDouble)
-        , INIT_RUNTIME_METHOD(toInt)
-        , INIT_RUNTIME_METHOD(doubleToInt)
-        , INIT_RUNTIME_METHOD(toUInt)
-        , INIT_RUNTIME_METHOD(doubleToUInt)
-        , INIT_RUNTIME_METHOD(getQmlContext)
-        , INIT_RUNTIME_METHOD(getQmlImportedScripts)
-        , INIT_RUNTIME_METHOD(getQmlSingleton)
-        , INIT_RUNTIME_METHOD(getQmlAttachedProperty)
-        , INIT_RUNTIME_METHOD(getQmlScopeObjectProperty)
-        , INIT_RUNTIME_METHOD(getQmlContextObjectProperty)
-        , INIT_RUNTIME_METHOD(getQmlQObjectProperty)
-        , INIT_RUNTIME_METHOD(getQmlSingletonQObjectProperty)
-        , INIT_RUNTIME_METHOD(getQmlIdObject)
-        , INIT_RUNTIME_METHOD(setQmlScopeObjectProperty)
-        , INIT_RUNTIME_METHOD(setQmlContextObjectProperty)
-        , INIT_RUNTIME_METHOD(setQmlQObjectProperty)
-    { }
-
-    // call
-    RUNTIME_METHOD(ReturnedValue, callGlobalLookup, (ExecutionEngine *engine, uint index, CallData *callData));
-    RUNTIME_METHOD(ReturnedValue, callActivationProperty, (ExecutionEngine *engine, int nameIndex, CallData *callData));
-    RUNTIME_METHOD(ReturnedValue, callQmlScopeObjectProperty, (ExecutionEngine *engine, int propertyIndex, CallData *callData));
-    RUNTIME_METHOD(ReturnedValue, callQmlContextObjectProperty, (ExecutionEngine *engine, int propertyIndex, CallData *callData));
-    RUNTIME_METHOD(ReturnedValue, callProperty, (ExecutionEngine *engine, int nameIndex, CallData *callData));
-    RUNTIME_METHOD(ReturnedValue, callPropertyLookup, (ExecutionEngine *engine, uint index, CallData *callData));
-    RUNTIME_METHOD(ReturnedValue, callElement, (ExecutionEngine *engine, const Value &index, CallData *callData));
-    RUNTIME_METHOD(ReturnedValue, callValue, (ExecutionEngine *engine, const Value &func, CallData *callData));
-
-    // construct
-    RUNTIME_METHOD(ReturnedValue, constructGlobalLookup, (ExecutionEngine *engine, uint index, CallData *callData));
-    RUNTIME_METHOD(ReturnedValue, constructActivationProperty, (ExecutionEngine *engine, int nameIndex, CallData *callData));
-    RUNTIME_METHOD(ReturnedValue, constructProperty, (ExecutionEngine *engine, int nameIndex, CallData *callData));
-    RUNTIME_METHOD(ReturnedValue, constructPropertyLookup, (ExecutionEngine *engine, uint index, CallData *callData));
-    RUNTIME_METHOD(ReturnedValue, constructValue, (ExecutionEngine *engine, const Value &func, CallData *callData));
-
-    // set & get
-    RUNTIME_METHOD(void, setActivationProperty, (ExecutionEngine *engine, int nameIndex, const Value &value));
-    RUNTIME_METHOD(void, setProperty, (ExecutionEngine *engine, const Value &object, int nameIndex, const Value &value));
-    RUNTIME_METHOD(void, setElement, (ExecutionEngine *engine, const Value &object, const Value &index, const Value &value));
-    RUNTIME_METHOD(ReturnedValue, getProperty, (ExecutionEngine *engine, const Value &object, int nameIndex));
-    RUNTIME_METHOD(ReturnedValue, getActivationProperty, (ExecutionEngine *engine, int nameIndex));
-    RUNTIME_METHOD(ReturnedValue, getElement, (ExecutionEngine *engine, const Value &object, const Value &index));
-
-    // typeof
-    RUNTIME_METHOD(ReturnedValue, typeofValue, (ExecutionEngine *engine, const Value &val));
-    RUNTIME_METHOD(ReturnedValue, typeofName, (ExecutionEngine *engine, int nameIndex));
-    RUNTIME_METHOD(ReturnedValue, typeofScopeObjectProperty, (ExecutionEngine *engine, const Value &context, int propertyIndex));
-    RUNTIME_METHOD(ReturnedValue, typeofContextObjectProperty, (ExecutionEngine *engine, const Value &context, int propertyIndex));
-    RUNTIME_METHOD(ReturnedValue, typeofMember, (ExecutionEngine *engine, const Value &base, int nameIndex));
-    RUNTIME_METHOD(ReturnedValue, typeofElement, (ExecutionEngine *engine, const Value &base, const Value &index));
-
-    // delete
-    RUNTIME_METHOD(ReturnedValue, deleteElement, (ExecutionEngine *engine, const Value &base, const Value &index));
-    RUNTIME_METHOD(ReturnedValue, deleteMember, (ExecutionEngine *engine, const Value &base, int nameIndex));
-    RUNTIME_METHOD(ReturnedValue, deleteMemberString, (ExecutionEngine *engine, const Value &base, String *name));
-    RUNTIME_METHOD(ReturnedValue, deleteName, (ExecutionEngine *engine, int nameIndex));
-
-    // exceptions & scopes
-    RUNTIME_METHOD(void, throwException, (ExecutionEngine *engine, const Value &value));
-    RUNTIME_METHOD(ReturnedValue, unwindException, (ExecutionEngine *engine));
-    RUNTIME_METHOD(void, pushWithScope, (const Value &o, NoThrowEngine *engine));
-    RUNTIME_METHOD(void, pushCatchScope, (NoThrowEngine *engine, int exceptionVarNameIndex));
-    RUNTIME_METHOD(void, popScope, (NoThrowEngine *engine));
-
-    // closures
-    RUNTIME_METHOD(ReturnedValue, closure, (ExecutionEngine *engine, int functionId));
+    Runtime();
 
-    // function header
-    RUNTIME_METHOD(void, declareVar, (ExecutionEngine *engine, bool deletable, int nameIndex));
-    RUNTIME_METHOD(ReturnedValue, setupArgumentsObject, (ExecutionEngine *engine));
-    RUNTIME_METHOD(void, convertThisToObject, (ExecutionEngine *engine));
-
-    // literals
-    RUNTIME_METHOD(ReturnedValue, arrayLiteral, (ExecutionEngine *engine, Value *values, uint length));
-    RUNTIME_METHOD(ReturnedValue, objectLiteral, (ExecutionEngine *engine, const Value *args, int classId, int arrayValueCount, int arrayGetterSetterCountAndFlags));
-    RUNTIME_METHOD(ReturnedValue, regexpLiteral, (ExecutionEngine *engine, int id));
-
-    // foreach
-    RUNTIME_METHOD(ReturnedValue, foreachIterator, (ExecutionEngine *engine, const Value &in));
-    RUNTIME_METHOD(ReturnedValue, foreachNextPropertyName, (const Value &foreach_iterator));
-
-    // unary operators
     typedef ReturnedValue (*UnaryOperation)(const Value &value);
-    RUNTIME_METHOD(ReturnedValue, uPlus, (const Value &value));
-    RUNTIME_METHOD(ReturnedValue, uMinus, (const Value &value));
-    RUNTIME_METHOD(ReturnedValue, uNot, (const Value &value));
-    RUNTIME_METHOD(ReturnedValue, complement, (const Value &value));
-    RUNTIME_METHOD(ReturnedValue, increment, (const Value &value));
-    RUNTIME_METHOD(ReturnedValue, decrement, (const Value &value));
-
-    // binary operators
     typedef ReturnedValue (*BinaryOperation)(const Value &left, const Value &right);
     typedef ReturnedValue (*BinaryOperationContext)(ExecutionEngine *engine, const Value &left, const Value &right);
 
-    RUNTIME_METHOD(ReturnedValue, instanceof, (ExecutionEngine *engine, const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, in, (ExecutionEngine *engine, const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, add, (ExecutionEngine *engine, const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, addString, (ExecutionEngine *engine, const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, bitOr, (const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, bitXor, (const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, bitAnd, (const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, sub, (const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, mul, (const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, div, (const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, mod, (const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, shl, (const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, shr, (const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, ushr, (const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, greaterThan, (const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, lessThan, (const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, greaterEqual, (const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, lessEqual, (const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, equal, (const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, notEqual, (const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, strictEqual, (const Value &left, const Value &right));
-    RUNTIME_METHOD(ReturnedValue, strictNotEqual, (const Value &left, const Value &right));
-
-    // comparisons
-    RUNTIME_METHOD(Bool, compareGreaterThan, (const Value &l, const Value &r));
-    RUNTIME_METHOD(Bool, compareLessThan, (const Value &l, const Value &r));
-    RUNTIME_METHOD(Bool, compareGreaterEqual, (const Value &l, const Value &r));
-    RUNTIME_METHOD(Bool, compareLessEqual, (const Value &l, const Value &r));
-    RUNTIME_METHOD(Bool, compareEqual, (const Value &left, const Value &right));
-    RUNTIME_METHOD(Bool, compareNotEqual, (const Value &left, const Value &right));
-    RUNTIME_METHOD(Bool, compareStrictEqual, (const Value &left, const Value &right));
-    RUNTIME_METHOD(Bool, compareStrictNotEqual, (const Value &left, const Value &right));
+#define DEFINE_RUNTIME_METHOD_ENUM(returnvalue, name, args) name,
+    enum RuntimeMethods {
+        FOR_EACH_RUNTIME_METHOD(DEFINE_RUNTIME_METHOD_ENUM)
+        RuntimeMethodCount,
+        InvalidRuntimeMethod = RuntimeMethodCount
+    };
+#undef DEFINE_RUNTIME_METHOD_ENUM
 
-    RUNTIME_METHOD(Bool, compareInstanceof, (ExecutionEngine *engine, const Value &left, const Value &right));
-    RUNTIME_METHOD(Bool, compareIn, (ExecutionEngine *engine, const Value &left, const Value &right));
+    void *runtimeMethods[RuntimeMethodCount];
 
-    // conversions
-    RUNTIME_METHOD(Bool, toBoolean, (const Value &value));
-    RUNTIME_METHOD(ReturnedValue, toDouble, (const Value &value));
-    RUNTIME_METHOD(int, toInt, (const Value &value));
-    RUNTIME_METHOD(int, doubleToInt, (const double &d));
-    RUNTIME_METHOD(unsigned, toUInt, (const Value &value));
-    RUNTIME_METHOD(unsigned, doubleToUInt, (const double &d));
+    static uint runtimeMethodOffset(RuntimeMethods method) { return method*QT_POINTER_SIZE; }
 
-    // qml
-    RUNTIME_METHOD(ReturnedValue, getQmlContext, (NoThrowEngine *engine));
-    RUNTIME_METHOD(ReturnedValue, getQmlImportedScripts, (NoThrowEngine *engine));
-    RUNTIME_METHOD(ReturnedValue, getQmlSingleton, (NoThrowEngine *engine, int nameIndex));
-    RUNTIME_METHOD(ReturnedValue, getQmlAttachedProperty, (ExecutionEngine *engine, int attachedPropertiesId, int propertyIndex));
-    RUNTIME_METHOD(ReturnedValue, getQmlScopeObjectProperty, (ExecutionEngine *engine, const Value &context, int propertyIndex, bool captureRequired));
-    RUNTIME_METHOD(ReturnedValue, getQmlContextObjectProperty, (ExecutionEngine *engine, const Value &context, int propertyIndex, bool captureRequired));
-    RUNTIME_METHOD(ReturnedValue, getQmlQObjectProperty, (ExecutionEngine *engine, const Value &object, int propertyIndex, bool captureRequired));
-    RUNTIME_METHOD(ReturnedValue, getQmlSingletonQObjectProperty, (ExecutionEngine *engine, const Value &object, int propertyIndex, bool captureRequired));
-    RUNTIME_METHOD(ReturnedValue, getQmlIdObject, (ExecutionEngine *engine, const Value &context, uint index));
+#define RUNTIME_METHOD(returnvalue, name, args) \
+    typedef returnvalue (*Method_##name)args; \
+    enum { Method_##name##_NeedsExceptionCheck = ExceptionCheck<Method_##name>::NeedsCheck }; \
+    static returnvalue method_##name args;
+    FOR_EACH_RUNTIME_METHOD(RUNTIME_METHOD)
+#undef RUNTIME_METHOD
 
-    RUNTIME_METHOD(void, setQmlScopeObjectProperty, (ExecutionEngine *engine, const Value &context, int propertyIndex, const Value &value));
-    RUNTIME_METHOD(void, setQmlContextObjectProperty, (ExecutionEngine *engine, const Value &context, int propertyIndex, const Value &value));
-    RUNTIME_METHOD(void, setQmlQObjectProperty, (ExecutionEngine *engine, const Value &object, int propertyIndex, const Value &value));
 };
 
-#undef RUNTIME_METHOD
-#undef INIT_RUNTIME_METHOD
+static_assert(std::is_standard_layout<Runtime>::value, "Runtime needs to be standard layout in order for us to be able to use offsetof");
+static_assert(offsetof(Runtime, runtimeMethods) == 0, "JIT expects this to be the first member");
+static_assert(sizeof(Runtime::BinaryOperation) == sizeof(void*), "JIT expects a function pointer to fit into a regular pointer, for cross-compilation offset translation");
 
 } // namespace QV4
 
diff --git a/src/qml/jsruntime/qv4scopedvalue_p.h b/src/qml/jsruntime/qv4scopedvalue_p.h
index 6775028272..894434be16 100644
--- a/src/qml/jsruntime/qv4scopedvalue_p.h
+++ b/src/qml/jsruntime/qv4scopedvalue_p.h
@@ -366,7 +366,7 @@ struct Scoped
 struct ScopedCallData {
     ScopedCallData(const Scope &scope, int argc = 0)
     {
-        int size = qMax(argc, (int)QV4::Global::ReservedArgumentCount) + qOffsetOf(QV4::CallData, args)/sizeof(QV4::Value);
+        int size = qMax(argc, QV4::Global::ReservedArgumentCount + int(offsetof(QV4::CallData, args)/sizeof(QV4::Value)));
         ptr = reinterpret_cast<CallData *>(scope.alloc(size));
         ptr->tag = QV4::Value::Integer_Type_Internal;
         ptr->argc = argc;
diff --git a/src/qml/jsruntime/qv4script_p.h b/src/qml/jsruntime/qv4script_p.h
index f96f0254a5..4ebe2dd609 100644
--- a/src/qml/jsruntime/qv4script_p.h
+++ b/src/qml/jsruntime/qv4script_p.h
@@ -72,7 +72,7 @@ struct ContextStateSaver {
     bool strictMode;
     Lookup *lookups;
     const QV4::Value *constantTable;
-    CompiledData::CompilationUnit *compilationUnit;
+    CompiledData::CompilationUnitBase *compilationUnit;
     int lineNumber;
 
     ContextStateSaver(const Scope &scope, ExecutionContext *context)
diff --git a/src/qml/jsruntime/qv4value_p.h b/src/qml/jsruntime/qv4value_p.h
index 6d98692e94..11d75dde99 100644
--- a/src/qml/jsruntime/qv4value_p.h
+++ b/src/qml/jsruntime/qv4value_p.h
@@ -68,8 +68,6 @@ namespace Heap {
     struct Base;
 }
 
-typedef uint Bool;
-
 struct Q_QML_PRIVATE_EXPORT Value
 {
 private:
diff --git a/src/qml/jsruntime/qv4vme_moth.cpp b/src/qml/jsruntime/qv4vme_moth.cpp
index 09f767dc13..8d523f17e9 100644
--- a/src/qml/jsruntime/qv4vme_moth.cpp
+++ b/src/qml/jsruntime/qv4vme_moth.cpp
@@ -412,7 +412,7 @@ QV4::ReturnedValue VME::run(ExecutionEngine *engine, const uchar *code
     };
     Q_ALLOCA_VAR(Scopes, scopes, sizeof(Scopes)*(2 + 2*scopeDepth));
     {
-        scopes[0] = { const_cast<QV4::Value *>(context->d()->compilationUnit->constants), 0 };
+        scopes[0] = { const_cast<QV4::Value *>(static_cast<CompiledData::CompilationUnit*>(context->d()->compilationUnit)->constants), 0 };
         // stack gets setup in push instruction
         scopes[1] = { 0, 0 };
         QV4::Heap::ExecutionContext *scope = context->d();
@@ -463,16 +463,16 @@ QV4::ReturnedValue VME::run(ExecutionEngine *engine, const uchar *code
 
     MOTH_BEGIN_INSTR(LoadRegExp)
 //        TRACE(value, "%s", instr.value.toString(context)->toQString().toUtf8().constData());
-        VALUE(instr.result) = context->d()->compilationUnit->runtimeRegularExpressions[instr.regExpId];
+        VALUE(instr.result) = static_cast<CompiledData::CompilationUnit*>(context->d()->compilationUnit)->runtimeRegularExpressions[instr.regExpId];
     MOTH_END_INSTR(LoadRegExp)
 
     MOTH_BEGIN_INSTR(LoadClosure)
-        STOREVALUE(instr.result, engine->runtime.closure(engine, instr.value));
+        STOREVALUE(instr.result, Runtime::method_closure(engine, instr.value));
     MOTH_END_INSTR(LoadClosure)
 
     MOTH_BEGIN_INSTR(LoadName)
         TRACE(inline, "property name = %s", runtimeStrings[instr.name]->toQString().toUtf8().constData());
-        STOREVALUE(instr.result, engine->runtime.getActivationProperty(engine, instr.name));
+        STOREVALUE(instr.result, Runtime::method_getActivationProperty(engine, instr.name));
     MOTH_END_INSTR(LoadName)
 
     MOTH_BEGIN_INSTR(GetGlobalLookup)
@@ -482,12 +482,12 @@ QV4::ReturnedValue VME::run(ExecutionEngine *engine, const uchar *code
 
     MOTH_BEGIN_INSTR(StoreName)
         TRACE(inline, "property name = %s", runtimeStrings[instr.name]->toQString().toUtf8().constData());
-        engine->runtime.setActivationProperty(engine, instr.name, VALUE(instr.source));
+        Runtime::method_setActivationProperty(engine, instr.name, VALUE(instr.source));
         CHECK_EXCEPTION;
     MOTH_END_INSTR(StoreName)
 
     MOTH_BEGIN_INSTR(LoadElement)
-        STOREVALUE(instr.result, engine->runtime.getElement(engine, VALUE(instr.base), VALUE(instr.index)));
+        STOREVALUE(instr.result, Runtime::method_getElement(engine, VALUE(instr.base), VALUE(instr.index)));
     MOTH_END_INSTR(LoadElement)
 
     MOTH_BEGIN_INSTR(LoadElementLookup)
@@ -496,7 +496,7 @@ QV4::ReturnedValue VME::run(ExecutionEngine *engine, const uchar *code
     MOTH_END_INSTR(LoadElementLookup)
 
     MOTH_BEGIN_INSTR(StoreElement)
-        engine->runtime.setElement(engine, VALUE(instr.base), VALUE(instr.index), VALUE(instr.source));
+        Runtime::method_setElement(engine, VALUE(instr.base), VALUE(instr.index), VALUE(instr.source));
         CHECK_EXCEPTION;
     MOTH_END_INSTR(StoreElement)
 
@@ -507,7 +507,7 @@ QV4::ReturnedValue VME::run(ExecutionEngine *engine, const uchar *code
     MOTH_END_INSTR(StoreElementLookup)
 
     MOTH_BEGIN_INSTR(LoadProperty)
-        STOREVALUE(instr.result, engine->runtime.getProperty(engine, VALUE(instr.base), instr.name));
+        STOREVALUE(instr.result, Runtime::method_getProperty(engine, VALUE(instr.base), instr.name));
     MOTH_END_INSTR(LoadProperty)
 
     MOTH_BEGIN_INSTR(GetLookup)
@@ -516,7 +516,7 @@ QV4::ReturnedValue VME::run(ExecutionEngine *engine, const uchar *code
     MOTH_END_INSTR(GetLookup)
 
     MOTH_BEGIN_INSTR(StoreProperty)
-        engine->runtime.setProperty(engine, VALUE(instr.base), instr.name, VALUE(instr.source));
+        Runtime::method_setProperty(engine, VALUE(instr.base), instr.name, VALUE(instr.source));
         CHECK_EXCEPTION;
     MOTH_END_INSTR(StoreProperty)
 
@@ -527,42 +527,42 @@ QV4::ReturnedValue VME::run(ExecutionEngine *engine, const uchar *code
     MOTH_END_INSTR(SetLookup)
 
     MOTH_BEGIN_INSTR(StoreQObjectProperty)
-        engine->runtime.setQmlQObjectProperty(engine, VALUE(instr.base), instr.propertyIndex, VALUE(instr.source));
+        Runtime::method_setQmlQObjectProperty(engine, VALUE(instr.base), instr.propertyIndex, VALUE(instr.source));
         CHECK_EXCEPTION;
     MOTH_END_INSTR(StoreQObjectProperty)
 
     MOTH_BEGIN_INSTR(LoadQObjectProperty)
-        STOREVALUE(instr.result, engine->runtime.getQmlQObjectProperty(engine, VALUE(instr.base), instr.propertyIndex, instr.captureRequired));
+        STOREVALUE(instr.result, Runtime::method_getQmlQObjectProperty(engine, VALUE(instr.base), instr.propertyIndex, instr.captureRequired));
     MOTH_END_INSTR(LoadQObjectProperty)
 
     MOTH_BEGIN_INSTR(StoreScopeObjectProperty)
-        engine->runtime.setQmlScopeObjectProperty(engine, VALUE(instr.base), instr.propertyIndex, VALUE(instr.source));
+        Runtime::method_setQmlScopeObjectProperty(engine, VALUE(instr.base), instr.propertyIndex, VALUE(instr.source));
         CHECK_EXCEPTION;
     MOTH_END_INSTR(StoreScopeObjectProperty)
 
     MOTH_BEGIN_INSTR(LoadScopeObjectProperty)
-        STOREVALUE(instr.result, engine->runtime.getQmlScopeObjectProperty(engine, VALUE(instr.base), instr.propertyIndex, instr.captureRequired));
+        STOREVALUE(instr.result, Runtime::method_getQmlScopeObjectProperty(engine, VALUE(instr.base), instr.propertyIndex, instr.captureRequired));
     MOTH_END_INSTR(LoadScopeObjectProperty)
 
     MOTH_BEGIN_INSTR(StoreContextObjectProperty)
-        engine->runtime.setQmlContextObjectProperty(engine, VALUE(instr.base), instr.propertyIndex, VALUE(instr.source));
+        Runtime::method_setQmlContextObjectProperty(engine, VALUE(instr.base), instr.propertyIndex, VALUE(instr.source));
         CHECK_EXCEPTION;
     MOTH_END_INSTR(StoreContextObjectProperty)
 
     MOTH_BEGIN_INSTR(LoadContextObjectProperty)
-        STOREVALUE(instr.result, engine->runtime.getQmlContextObjectProperty(engine, VALUE(instr.base), instr.propertyIndex, instr.captureRequired));
+        STOREVALUE(instr.result, Runtime::method_getQmlContextObjectProperty(engine, VALUE(instr.base), instr.propertyIndex, instr.captureRequired));
     MOTH_END_INSTR(LoadContextObjectProperty)
 
     MOTH_BEGIN_INSTR(LoadIdObject)
-        STOREVALUE(instr.result, engine->runtime.getQmlIdObject(engine, VALUE(instr.base), instr.index));
+        STOREVALUE(instr.result, Runtime::method_getQmlIdObject(engine, VALUE(instr.base), instr.index));
     MOTH_END_INSTR(LoadIdObject)
 
     MOTH_BEGIN_INSTR(LoadAttachedQObjectProperty)
-        STOREVALUE(instr.result, engine->runtime.getQmlAttachedProperty(engine, instr.attachedPropertiesId, instr.propertyIndex));
+        STOREVALUE(instr.result, Runtime::method_getQmlAttachedProperty(engine, instr.attachedPropertiesId, instr.propertyIndex));
     MOTH_END_INSTR(LoadAttachedQObjectProperty)
 
     MOTH_BEGIN_INSTR(LoadSingletonQObjectProperty)
-        STOREVALUE(instr.result, engine->runtime.getQmlSingletonQObjectProperty(engine, VALUE(instr.base), instr.propertyIndex, instr.captureRequired));
+        STOREVALUE(instr.result, Runtime::method_getQmlSingletonQObjectProperty(engine, VALUE(instr.base), instr.propertyIndex, instr.captureRequired));
     MOTH_END_INSTR(LoadSingletonQObjectProperty)
 
     MOTH_BEGIN_INSTR(Push)
@@ -583,73 +583,73 @@ QV4::ReturnedValue VME::run(ExecutionEngine *engine, const uchar *code
             }
         }
 #endif // DO_TRACE_INSTR
-        Q_ASSERT(instr.callData + instr.argc + qOffsetOf(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
+        Q_ASSERT(instr.callData + instr.argc + offsetof(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
         QV4::CallData *callData = reinterpret_cast<QV4::CallData *>(stack + instr.callData);
         callData->tag = QV4::Value::Integer_Type_Internal;
         callData->argc = instr.argc;
         callData->thisObject = QV4::Primitive::undefinedValue();
-        STOREVALUE(instr.result, engine->runtime.callValue(engine, VALUE(instr.dest), callData));
+        STOREVALUE(instr.result, Runtime::method_callValue(engine, VALUE(instr.dest), callData));
     MOTH_END_INSTR(CallValue)
 
     MOTH_BEGIN_INSTR(CallProperty)
         TRACE(property name, "%s, args=%u, argc=%u, this=%s", qPrintable(runtimeStrings[instr.name]->toQString()), instr.callData, instr.argc, (VALUE(instr.base)).toString(context)->toQString().toUtf8().constData());
-        Q_ASSERT(instr.callData + instr.argc + qOffsetOf(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
+        Q_ASSERT(instr.callData + instr.argc + offsetof(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
         QV4::CallData *callData = reinterpret_cast<QV4::CallData *>(stack + instr.callData);
         callData->tag = QV4::Value::Integer_Type_Internal;
         callData->argc = instr.argc;
         callData->thisObject = VALUE(instr.base);
-        STOREVALUE(instr.result, engine->runtime.callProperty(engine, instr.name, callData));
+        STOREVALUE(instr.result, Runtime::method_callProperty(engine, instr.name, callData));
     MOTH_END_INSTR(CallProperty)
 
     MOTH_BEGIN_INSTR(CallPropertyLookup)
-        Q_ASSERT(instr.callData + instr.argc + qOffsetOf(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
+        Q_ASSERT(instr.callData + instr.argc + offsetof(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
         QV4::CallData *callData = reinterpret_cast<QV4::CallData *>(stack + instr.callData);
         callData->tag = QV4::Value::Integer_Type_Internal;
         callData->argc = instr.argc;
         callData->thisObject = VALUE(instr.base);
-        STOREVALUE(instr.result, engine->runtime.callPropertyLookup(engine, instr.lookupIndex, callData));
+        STOREVALUE(instr.result, Runtime::method_callPropertyLookup(engine, instr.lookupIndex, callData));
     MOTH_END_INSTR(CallPropertyLookup)
 
     MOTH_BEGIN_INSTR(CallScopeObjectProperty)
         TRACE(property name, "%s, args=%u, argc=%u, this=%s", qPrintable(runtimeStrings[instr.name]->toQString()), instr.callData, instr.argc, (VALUE(instr.base)).toString(context)->toQString().toUtf8().constData());
-        Q_ASSERT(instr.callData + instr.argc + qOffsetOf(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
+        Q_ASSERT(instr.callData + instr.argc + offsetof(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
         QV4::CallData *callData = reinterpret_cast<QV4::CallData *>(stack + instr.callData);
         callData->tag = QV4::Value::Integer_Type_Internal;
         callData->argc = instr.argc;
         callData->thisObject = VALUE(instr.base);
-        STOREVALUE(instr.result, engine->runtime.callQmlScopeObjectProperty(engine, instr.index, callData));
+        STOREVALUE(instr.result, Runtime::method_callQmlScopeObjectProperty(engine, instr.index, callData));
     MOTH_END_INSTR(CallScopeObjectProperty)
 
     MOTH_BEGIN_INSTR(CallContextObjectProperty)
         TRACE(property name, "%s, args=%u, argc=%u, this=%s", qPrintable(runtimeStrings[instr.name]->toQString()), instr.callData, instr.argc, (VALUE(instr.base)).toString(context)->toQString().toUtf8().constData());
-        Q_ASSERT(instr.callData + instr.argc + qOffsetOf(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
+        Q_ASSERT(instr.callData + instr.argc + offsetof(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
         QV4::CallData *callData = reinterpret_cast<QV4::CallData *>(stack + instr.callData);
         callData->tag = QV4::Value::Integer_Type_Internal;
         callData->argc = instr.argc;
         callData->thisObject = VALUE(instr.base);
-        STOREVALUE(instr.result, engine->runtime.callQmlContextObjectProperty(engine, instr.index, callData));
+        STOREVALUE(instr.result, Runtime::method_callQmlContextObjectProperty(engine, instr.index, callData));
     MOTH_END_INSTR(CallContextObjectProperty)
 
     MOTH_BEGIN_INSTR(CallElement)
-        Q_ASSERT(instr.callData + instr.argc + qOffsetOf(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
+        Q_ASSERT(instr.callData + instr.argc + offsetof(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
         QV4::CallData *callData = reinterpret_cast<QV4::CallData *>(stack + instr.callData);
         callData->tag = QV4::Value::Integer_Type_Internal;
         callData->argc = instr.argc;
         callData->thisObject = VALUE(instr.base);
-        STOREVALUE(instr.result, engine->runtime.callElement(engine, VALUE(instr.index), callData));
+        STOREVALUE(instr.result, Runtime::method_callElement(engine, VALUE(instr.index), callData));
     MOTH_END_INSTR(CallElement)
 
     MOTH_BEGIN_INSTR(CallActivationProperty)
-        Q_ASSERT(instr.callData + instr.argc + qOffsetOf(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
+        Q_ASSERT(instr.callData + instr.argc + offsetof(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
         QV4::CallData *callData = reinterpret_cast<QV4::CallData *>(stack + instr.callData);
         callData->tag = QV4::Value::Integer_Type_Internal;
         callData->argc = instr.argc;
         callData->thisObject = QV4::Primitive::undefinedValue();
-        STOREVALUE(instr.result, engine->runtime.callActivationProperty(engine, instr.name, callData));
+        STOREVALUE(instr.result, Runtime::method_callActivationProperty(engine, instr.name, callData));
     MOTH_END_INSTR(CallActivationProperty)
 
     MOTH_BEGIN_INSTR(CallGlobalLookup)
-        Q_ASSERT(instr.callData + instr.argc + qOffsetOf(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
+        Q_ASSERT(instr.callData + instr.argc + offsetof(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
         QV4::CallData *callData = reinterpret_cast<QV4::CallData *>(stack + instr.callData);
         callData->tag = QV4::Value::Integer_Type_Internal;
         callData->argc = instr.argc;
@@ -662,141 +662,141 @@ QV4::ReturnedValue VME::run(ExecutionEngine *engine, const uchar *code
     MOTH_END_INSTR(SetExceptionHandler)
 
     MOTH_BEGIN_INSTR(CallBuiltinThrow)
-        engine->runtime.throwException(engine, VALUE(instr.arg));
+        Runtime::method_throwException(engine, VALUE(instr.arg));
         CHECK_EXCEPTION;
     MOTH_END_INSTR(CallBuiltinThrow)
 
     MOTH_BEGIN_INSTR(CallBuiltinUnwindException)
-        STOREVALUE(instr.result, engine->runtime.unwindException(engine));
+        STOREVALUE(instr.result, Runtime::method_unwindException(engine));
     MOTH_END_INSTR(CallBuiltinUnwindException)
 
     MOTH_BEGIN_INSTR(CallBuiltinPushCatchScope)
-        engine->runtime.pushCatchScope(static_cast<QV4::NoThrowEngine*>(engine), instr.name);
+        Runtime::method_pushCatchScope(static_cast<QV4::NoThrowEngine*>(engine), instr.name);
         context = engine->currentContext;
     MOTH_END_INSTR(CallBuiltinPushCatchScope)
 
     MOTH_BEGIN_INSTR(CallBuiltinPushScope)
-        engine->runtime.pushWithScope(VALUE(instr.arg), static_cast<QV4::NoThrowEngine*>(engine));
+        Runtime::method_pushWithScope(VALUE(instr.arg), static_cast<QV4::NoThrowEngine*>(engine));
         context = engine->currentContext;
         CHECK_EXCEPTION;
     MOTH_END_INSTR(CallBuiltinPushScope)
 
     MOTH_BEGIN_INSTR(CallBuiltinPopScope)
-        engine->runtime.popScope(static_cast<QV4::NoThrowEngine*>(engine));
+        Runtime::method_popScope(static_cast<QV4::NoThrowEngine*>(engine));
         context = engine->currentContext;
     MOTH_END_INSTR(CallBuiltinPopScope)
 
     MOTH_BEGIN_INSTR(CallBuiltinForeachIteratorObject)
-        STOREVALUE(instr.result, engine->runtime.foreachIterator(engine, VALUE(instr.arg)));
+        STOREVALUE(instr.result, Runtime::method_foreachIterator(engine, VALUE(instr.arg)));
     MOTH_END_INSTR(CallBuiltinForeachIteratorObject)
 
     MOTH_BEGIN_INSTR(CallBuiltinForeachNextPropertyName)
-        STOREVALUE(instr.result, engine->runtime.foreachNextPropertyName(VALUE(instr.arg)));
+        STOREVALUE(instr.result, Runtime::method_foreachNextPropertyName(VALUE(instr.arg)));
     MOTH_END_INSTR(CallBuiltinForeachNextPropertyName)
 
     MOTH_BEGIN_INSTR(CallBuiltinDeleteMember)
-        STOREVALUE(instr.result, engine->runtime.deleteMember(engine, VALUE(instr.base), instr.member));
+        STOREVALUE(instr.result, Runtime::method_deleteMember(engine, VALUE(instr.base), instr.member));
     MOTH_END_INSTR(CallBuiltinDeleteMember)
 
     MOTH_BEGIN_INSTR(CallBuiltinDeleteSubscript)
-        STOREVALUE(instr.result, engine->runtime.deleteElement(engine, VALUE(instr.base), VALUE(instr.index)));
+        STOREVALUE(instr.result, Runtime::method_deleteElement(engine, VALUE(instr.base), VALUE(instr.index)));
     MOTH_END_INSTR(CallBuiltinDeleteSubscript)
 
     MOTH_BEGIN_INSTR(CallBuiltinDeleteName)
-        STOREVALUE(instr.result, engine->runtime.deleteName(engine, instr.name));
+        STOREVALUE(instr.result, Runtime::method_deleteName(engine, instr.name));
     MOTH_END_INSTR(CallBuiltinDeleteName)
 
     MOTH_BEGIN_INSTR(CallBuiltinTypeofScopeObjectProperty)
-        STOREVALUE(instr.result, engine->runtime.typeofScopeObjectProperty(engine, VALUE(instr.base), instr.index));
+        STOREVALUE(instr.result, Runtime::method_typeofScopeObjectProperty(engine, VALUE(instr.base), instr.index));
     MOTH_END_INSTR(CallBuiltinTypeofMember)
 
     MOTH_BEGIN_INSTR(CallBuiltinTypeofContextObjectProperty)
-        STOREVALUE(instr.result, engine->runtime.typeofContextObjectProperty(engine, VALUE(instr.base), instr.index));
+        STOREVALUE(instr.result, Runtime::method_typeofContextObjectProperty(engine, VALUE(instr.base), instr.index));
     MOTH_END_INSTR(CallBuiltinTypeofMember)
 
     MOTH_BEGIN_INSTR(CallBuiltinTypeofMember)
-        STOREVALUE(instr.result, engine->runtime.typeofMember(engine, VALUE(instr.base), instr.member));
+        STOREVALUE(instr.result, Runtime::method_typeofMember(engine, VALUE(instr.base), instr.member));
     MOTH_END_INSTR(CallBuiltinTypeofMember)
 
     MOTH_BEGIN_INSTR(CallBuiltinTypeofSubscript)
-        STOREVALUE(instr.result, engine->runtime.typeofElement(engine, VALUE(instr.base), VALUE(instr.index)));
+        STOREVALUE(instr.result, Runtime::method_typeofElement(engine, VALUE(instr.base), VALUE(instr.index)));
     MOTH_END_INSTR(CallBuiltinTypeofSubscript)
 
     MOTH_BEGIN_INSTR(CallBuiltinTypeofName)
-        STOREVALUE(instr.result, engine->runtime.typeofName(engine, instr.name));
+        STOREVALUE(instr.result, Runtime::method_typeofName(engine, instr.name));
     MOTH_END_INSTR(CallBuiltinTypeofName)
 
     MOTH_BEGIN_INSTR(CallBuiltinTypeofValue)
-        STOREVALUE(instr.result, engine->runtime.typeofValue(engine, VALUE(instr.value)));
+        STOREVALUE(instr.result, Runtime::method_typeofValue(engine, VALUE(instr.value)));
     MOTH_END_INSTR(CallBuiltinTypeofValue)
 
     MOTH_BEGIN_INSTR(CallBuiltinDeclareVar)
-        engine->runtime.declareVar(engine, instr.isDeletable, instr.varName);
+        Runtime::method_declareVar(engine, instr.isDeletable, instr.varName);
     MOTH_END_INSTR(CallBuiltinDeclareVar)
 
     MOTH_BEGIN_INSTR(CallBuiltinDefineArray)
         Q_ASSERT(instr.args + instr.argc <= stackSize);
         QV4::Value *args = stack + instr.args;
-        STOREVALUE(instr.result, engine->runtime.arrayLiteral(engine, args, instr.argc));
+        STOREVALUE(instr.result, Runtime::method_arrayLiteral(engine, args, instr.argc));
     MOTH_END_INSTR(CallBuiltinDefineArray)
 
     MOTH_BEGIN_INSTR(CallBuiltinDefineObjectLiteral)
         QV4::Value *args = stack + instr.args;
-    STOREVALUE(instr.result, engine->runtime.objectLiteral(engine, args, instr.internalClassId, instr.arrayValueCount, instr.arrayGetterSetterCountAndFlags));
+    STOREVALUE(instr.result, Runtime::method_objectLiteral(engine, args, instr.internalClassId, instr.arrayValueCount, instr.arrayGetterSetterCountAndFlags));
     MOTH_END_INSTR(CallBuiltinDefineObjectLiteral)
 
     MOTH_BEGIN_INSTR(CallBuiltinSetupArgumentsObject)
-        STOREVALUE(instr.result, engine->runtime.setupArgumentsObject(engine));
+        STOREVALUE(instr.result, Runtime::method_setupArgumentsObject(engine));
     MOTH_END_INSTR(CallBuiltinSetupArgumentsObject)
 
     MOTH_BEGIN_INSTR(CallBuiltinConvertThisToObject)
-        engine->runtime.convertThisToObject(engine);
+        Runtime::method_convertThisToObject(engine);
         CHECK_EXCEPTION;
     MOTH_END_INSTR(CallBuiltinConvertThisToObject)
 
     MOTH_BEGIN_INSTR(CreateValue)
-        Q_ASSERT(instr.callData + instr.argc + qOffsetOf(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
+        Q_ASSERT(instr.callData + instr.argc + offsetof(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
         QV4::CallData *callData = reinterpret_cast<QV4::CallData *>(stack + instr.callData);
         callData->tag = QV4::Value::Integer_Type_Internal;
         callData->argc = instr.argc;
         callData->thisObject = QV4::Primitive::undefinedValue();
-        STOREVALUE(instr.result, engine->runtime.constructValue(engine, VALUE(instr.func), callData));
+        STOREVALUE(instr.result, Runtime::method_constructValue(engine, VALUE(instr.func), callData));
     MOTH_END_INSTR(CreateValue)
 
     MOTH_BEGIN_INSTR(CreateProperty)
-        Q_ASSERT(instr.callData + instr.argc + qOffsetOf(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
+        Q_ASSERT(instr.callData + instr.argc + offsetof(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
         QV4::CallData *callData = reinterpret_cast<QV4::CallData *>(stack + instr.callData);
         callData->tag = QV4::Value::Integer_Type_Internal;
         callData->argc = instr.argc;
         callData->thisObject = VALUE(instr.base);
-        STOREVALUE(instr.result, engine->runtime.constructProperty(engine, instr.name, callData));
+        STOREVALUE(instr.result, Runtime::method_constructProperty(engine, instr.name, callData));
     MOTH_END_INSTR(CreateProperty)
 
     MOTH_BEGIN_INSTR(ConstructPropertyLookup)
-        Q_ASSERT(instr.callData + instr.argc + qOffsetOf(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
+        Q_ASSERT(instr.callData + instr.argc + offsetof(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
         QV4::CallData *callData = reinterpret_cast<QV4::CallData *>(stack + instr.callData);
         callData->tag = QV4::Value::Integer_Type_Internal;
         callData->argc = instr.argc;
         callData->thisObject = VALUE(instr.base);
-        STOREVALUE(instr.result, engine->runtime.constructPropertyLookup(engine, instr.index, callData));
+        STOREVALUE(instr.result, Runtime::method_constructPropertyLookup(engine, instr.index, callData));
     MOTH_END_INSTR(ConstructPropertyLookup)
 
     MOTH_BEGIN_INSTR(CreateActivationProperty)
-        Q_ASSERT(instr.callData + instr.argc + qOffsetOf(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
+        Q_ASSERT(instr.callData + instr.argc + offsetof(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
         QV4::CallData *callData = reinterpret_cast<QV4::CallData *>(stack + instr.callData);
         callData->tag = QV4::Value::Integer_Type_Internal;
         callData->argc = instr.argc;
         callData->thisObject = QV4::Primitive::undefinedValue();
-        STOREVALUE(instr.result, engine->runtime.constructActivationProperty(engine, instr.name, callData));
+        STOREVALUE(instr.result, Runtime::method_constructActivationProperty(engine, instr.name, callData));
     MOTH_END_INSTR(CreateActivationProperty)
 
     MOTH_BEGIN_INSTR(ConstructGlobalLookup)
-        Q_ASSERT(instr.callData + instr.argc + qOffsetOf(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
+        Q_ASSERT(instr.callData + instr.argc + offsetof(QV4::CallData, args)/sizeof(QV4::Value) <= stackSize);
         QV4::CallData *callData = reinterpret_cast<QV4::CallData *>(stack + instr.callData);
         callData->tag = QV4::Value::Integer_Type_Internal;
         callData->argc = instr.argc;
         callData->thisObject = QV4::Primitive::undefinedValue();
-        STOREVALUE(instr.result, engine->runtime.constructGlobalLookup(engine, instr.index, callData));
+        STOREVALUE(instr.result, Runtime::method_constructGlobalLookup(engine, instr.index, callData));
     MOTH_END_INSTR(ConstructGlobalLookup)
 
     MOTH_BEGIN_INSTR(Jump)
@@ -818,7 +818,7 @@ QV4::ReturnedValue VME::run(ExecutionEngine *engine, const uchar *code
     MOTH_END_INSTR(JumpNe)
 
     MOTH_BEGIN_INSTR(UNot)
-        STOREVALUE(instr.result, engine->runtime.uNot(VALUE(instr.source)));
+        STOREVALUE(instr.result, Runtime::method_uNot(VALUE(instr.source)));
     MOTH_END_INSTR(UNot)
 
     MOTH_BEGIN_INSTR(UNotBool)
@@ -827,15 +827,15 @@ QV4::ReturnedValue VME::run(ExecutionEngine *engine, const uchar *code
     MOTH_END_INSTR(UNotBool)
 
     MOTH_BEGIN_INSTR(UPlus)
-        STOREVALUE(instr.result, engine->runtime.uPlus(VALUE(instr.source)));
+        STOREVALUE(instr.result, Runtime::method_uPlus(VALUE(instr.source)));
     MOTH_END_INSTR(UPlus)
 
     MOTH_BEGIN_INSTR(UMinus)
-        STOREVALUE(instr.result, engine->runtime.uMinus(VALUE(instr.source)));
+        STOREVALUE(instr.result, Runtime::method_uMinus(VALUE(instr.source)));
     MOTH_END_INSTR(UMinus)
 
     MOTH_BEGIN_INSTR(UCompl)
-        STOREVALUE(instr.result, engine->runtime.complement(VALUE(instr.source)));
+        STOREVALUE(instr.result, Runtime::method_complement(VALUE(instr.source)));
     MOTH_END_INSTR(UCompl)
 
     MOTH_BEGIN_INSTR(UComplInt)
@@ -843,32 +843,32 @@ QV4::ReturnedValue VME::run(ExecutionEngine *engine, const uchar *code
     MOTH_END_INSTR(UComplInt)
 
     MOTH_BEGIN_INSTR(Increment)
-        STOREVALUE(instr.result, engine->runtime.increment(VALUE(instr.source)));
+        STOREVALUE(instr.result, Runtime::method_increment(VALUE(instr.source)));
     MOTH_END_INSTR(Increment)
 
     MOTH_BEGIN_INSTR(Decrement)
-        STOREVALUE(instr.result, engine->runtime.decrement(VALUE(instr.source)));
+        STOREVALUE(instr.result, Runtime::method_decrement(VALUE(instr.source)));
     MOTH_END_INSTR(Decrement)
 
     MOTH_BEGIN_INSTR(Binop)
-        QV4::Runtime::BinaryOperation op = *reinterpret_cast<QV4::Runtime::BinaryOperation *>(reinterpret_cast<char *>(&engine->runtime) + instr.alu);
+        QV4::Runtime::BinaryOperation op = *reinterpret_cast<QV4::Runtime::BinaryOperation *>(reinterpret_cast<char *>(&engine->runtime.runtimeMethods[instr.alu]));
         STOREVALUE(instr.result, op(VALUE(instr.lhs), VALUE(instr.rhs)));
     MOTH_END_INSTR(Binop)
 
     MOTH_BEGIN_INSTR(Add)
-        STOREVALUE(instr.result, engine->runtime.add(engine, VALUE(instr.lhs), VALUE(instr.rhs)));
+        STOREVALUE(instr.result, Runtime::method_add(engine, VALUE(instr.lhs), VALUE(instr.rhs)));
     MOTH_END_INSTR(Add)
 
     MOTH_BEGIN_INSTR(BitAnd)
-        STOREVALUE(instr.result, engine->runtime.bitAnd(VALUE(instr.lhs), VALUE(instr.rhs)));
+        STOREVALUE(instr.result, Runtime::method_bitAnd(VALUE(instr.lhs), VALUE(instr.rhs)));
     MOTH_END_INSTR(BitAnd)
 
     MOTH_BEGIN_INSTR(BitOr)
-        STOREVALUE(instr.result, engine->runtime.bitOr(VALUE(instr.lhs), VALUE(instr.rhs)));
+        STOREVALUE(instr.result, Runtime::method_bitOr(VALUE(instr.lhs), VALUE(instr.rhs)));
     MOTH_END_INSTR(BitOr)
 
     MOTH_BEGIN_INSTR(BitXor)
-        STOREVALUE(instr.result, engine->runtime.bitXor(VALUE(instr.lhs), VALUE(instr.rhs)));
+        STOREVALUE(instr.result, Runtime::method_bitXor(VALUE(instr.lhs), VALUE(instr.rhs)));
     MOTH_END_INSTR(BitXor)
 
     MOTH_BEGIN_INSTR(Shr)
@@ -903,15 +903,15 @@ QV4::ReturnedValue VME::run(ExecutionEngine *engine, const uchar *code
     MOTH_END_INSTR(ShlConst)
 
     MOTH_BEGIN_INSTR(Mul)
-        STOREVALUE(instr.result, engine->runtime.mul(VALUE(instr.lhs), VALUE(instr.rhs)));
+        STOREVALUE(instr.result, Runtime::method_mul(VALUE(instr.lhs), VALUE(instr.rhs)));
     MOTH_END_INSTR(Mul)
 
     MOTH_BEGIN_INSTR(Sub)
-        STOREVALUE(instr.result, engine->runtime.sub(VALUE(instr.lhs), VALUE(instr.rhs)));
+        STOREVALUE(instr.result, Runtime::method_sub(VALUE(instr.lhs), VALUE(instr.rhs)));
     MOTH_END_INSTR(Sub)
 
     MOTH_BEGIN_INSTR(BinopContext)
-        QV4::Runtime::BinaryOperationContext op = *reinterpret_cast<QV4::Runtime::BinaryOperationContext *>(reinterpret_cast<char *>(&engine->runtime) + instr.alu);
+        QV4::Runtime::BinaryOperationContext op = *reinterpret_cast<QV4::Runtime::BinaryOperationContext *>(reinterpret_cast<char *>(&engine->runtime.runtimeMethods[instr.alu]));
         STOREVALUE(instr.result, op(engine, VALUE(instr.lhs), VALUE(instr.rhs)));
     MOTH_END_INSTR(BinopContext)
 
@@ -942,15 +942,15 @@ QV4::ReturnedValue VME::run(ExecutionEngine *engine, const uchar *code
     MOTH_END_INSTR(LoadThis)
 
     MOTH_BEGIN_INSTR(LoadQmlContext)
-        VALUE(instr.result) = engine->runtime.getQmlContext(static_cast<QV4::NoThrowEngine*>(engine));
+        VALUE(instr.result) = Runtime::method_getQmlContext(static_cast<QV4::NoThrowEngine*>(engine));
     MOTH_END_INSTR(LoadQmlContext)
 
     MOTH_BEGIN_INSTR(LoadQmlImportedScripts)
-        VALUE(instr.result) = engine->runtime.getQmlImportedScripts(static_cast<QV4::NoThrowEngine*>(engine));
+        VALUE(instr.result) = Runtime::method_getQmlImportedScripts(static_cast<QV4::NoThrowEngine*>(engine));
     MOTH_END_INSTR(LoadQmlImportedScripts)
 
     MOTH_BEGIN_INSTR(LoadQmlSingleton)
-        VALUE(instr.result) = engine->runtime.getQmlSingleton(static_cast<QV4::NoThrowEngine*>(engine), instr.name);
+        VALUE(instr.result) = Runtime::method_getQmlSingleton(static_cast<QV4::NoThrowEngine*>(engine), instr.name);
     MOTH_END_INSTR(LoadQmlSingleton)
 
 #ifdef MOTH_THREADED_INTERPRETER
diff --git a/src/qml/memory/qv4heap_p.h b/src/qml/memory/qv4heap_p.h
index 7bedd705f9..89e69fd9d6 100644
--- a/src/qml/memory/qv4heap_p.h
+++ b/src/qml/memory/qv4heap_p.h
@@ -169,6 +169,12 @@ struct Q_QML_EXPORT Base {
 #endif
 };
 V4_ASSERT_IS_TRIVIAL(Base)
+// This class needs to consist only of pointer sized members to allow
+// for a size/offset translation when cross-compiling between 32- and
+// 64-bit.
+Q_STATIC_ASSERT(std::is_standard_layout<Base>::value);
+Q_STATIC_ASSERT(offsetof(Base, vt) == 0);
+Q_STATIC_ASSERT(sizeof(Base) == QT_POINTER_SIZE);
 
 }
 
diff --git a/src/qml/memory/qv4mm.cpp b/src/qml/memory/qv4mm.cpp
index 1a1d92aa0e..180371c088 100644
--- a/src/qml/memory/qv4mm.cpp
+++ b/src/qml/memory/qv4mm.cpp
@@ -117,14 +117,16 @@ struct MemorySegment {
         pageReservation = PageReservation::reserve(size, OSAllocator::JSGCHeapPages);
         base = reinterpret_cast<Chunk *>((reinterpret_cast<quintptr>(pageReservation.base()) + Chunk::ChunkSize - 1) & ~(Chunk::ChunkSize - 1));
         nChunks = NumChunks;
-        if (base != pageReservation.base())
+        availableBytes = size - (reinterpret_cast<quintptr>(base) - reinterpret_cast<quintptr>(pageReservation.base()));
+        if (availableBytes < SegmentSize)
             --nChunks;
     }
     MemorySegment(MemorySegment &&other) {
         qSwap(pageReservation, other.pageReservation);
         qSwap(base, other.base);
-        qSwap(nChunks, other.nChunks);
         qSwap(allocatedMap, other.allocatedMap);
+        qSwap(availableBytes, other.availableBytes);
+        qSwap(nChunks, other.nChunks);
     }
 
     ~MemorySegment() {
@@ -154,7 +156,7 @@ struct MemorySegment {
     void free(Chunk *chunk, size_t size) {
         DEBUG << "freeing chunk" << chunk;
         size_t index = static_cast<size_t>(chunk - base);
-        size_t end = index + (size - 1)/Chunk::ChunkSize + 1;
+        size_t end = qMin(static_cast<size_t>(NumChunks), index + (size - 1)/Chunk::ChunkSize + 1);
         while (index < end) {
             Q_ASSERT(testBit(index));
             clearBit(index);
@@ -173,11 +175,19 @@ struct MemorySegment {
     PageReservation pageReservation;
     Chunk *base = 0;
     quint64 allocatedMap = 0;
+    size_t availableBytes = 0;
     uint nChunks = 0;
 };
 
 Chunk *MemorySegment::allocate(size_t size)
 {
+    if (!allocatedMap && size >= SegmentSize) {
+        // chunk allocated for one huge allocation
+        Q_ASSERT(availableBytes >= size);
+        pageReservation.commit(base, size);
+        allocatedMap = ~static_cast<quintptr>(0);
+        return base;
+    }
     size_t requiredChunks = (size + sizeof(Chunk) - 1)/sizeof(Chunk);
     uint sequence = 0;
     Chunk *candidate = 0;
diff --git a/src/qml/memory/qv4mmdefs_p.h b/src/qml/memory/qv4mmdefs_p.h
index f66630061d..1fc7b6a527 100644
--- a/src/qml/memory/qv4mmdefs_p.h
+++ b/src/qml/memory/qv4mmdefs_p.h
@@ -51,6 +51,7 @@
 //
 
 #include <private/qv4global_p.h>
+#include <private/qv4runtimeapi_p.h>
 #include <QtCore/qalgorithms.h>
 #include <qdebug.h>
 
@@ -266,6 +267,9 @@ Q_STATIC_ASSERT((1 << Chunk::BitShift) == Chunk::Bits);
 
 // Base class for the execution engine
 
+#if defined(Q_CC_MSVC) || defined(Q_CC_GNU)
+#pragma pack(push, 1)
+#endif
 struct EngineBase {
     Heap::ExecutionContext *current = 0;
 
@@ -273,7 +277,22 @@ struct EngineBase {
     quint8 hasException = false;
     quint8 writeBarrierActive = false;
     quint16 unused = 0;
+#if QT_POINTER_SIZE == 8
+    quint8 padding[4];
+#endif
+    MemoryManager *memoryManager = 0;
+    Runtime runtime;
 };
+#if defined(Q_CC_MSVC) || defined(Q_CC_GNU)
+#pragma pack(pop)
+#endif
+
+Q_STATIC_ASSERT(std::is_standard_layout<EngineBase>::value);
+Q_STATIC_ASSERT(offsetof(EngineBase, current) == 0);
+Q_STATIC_ASSERT(offsetof(EngineBase, jsStackTop) == offsetof(EngineBase, current) + QT_POINTER_SIZE);
+Q_STATIC_ASSERT(offsetof(EngineBase, hasException) == offsetof(EngineBase, jsStackTop) + QT_POINTER_SIZE);
+Q_STATIC_ASSERT(offsetof(EngineBase, memoryManager) == offsetof(EngineBase, hasException) + QT_POINTER_SIZE);
+Q_STATIC_ASSERT(offsetof(EngineBase, runtime) == offsetof(EngineBase, memoryManager) + QT_POINTER_SIZE);
 
 // Some helper classes and macros to automate the generation of our
 // tables used for marking objects
diff --git a/src/qml/memory/qv4writebarrier_p.h b/src/qml/memory/qv4writebarrier_p.h
index de9c63c2ea..455de4bf3d 100644
--- a/src/qml/memory/qv4writebarrier_p.h
+++ b/src/qml/memory/qv4writebarrier_p.h
@@ -227,6 +227,11 @@ struct ValueArray {
     }
 };
 
+// It's really important that the offset of values in this structure is
+// constant across all architecture,  otherwise JIT cross-compiled code will
+// have wrong offsets between host and target.
+Q_STATIC_ASSERT(offsetof(ValueArray<0>, values) == 8);
+
 }
 
 QT_END_NAMESPACE
diff --git a/src/qml/qml/qqmlengine.cpp b/src/qml/qml/qqmlengine.cpp
index af94ece496..d4d21583ba 100644
--- a/src/qml/qml/qqmlengine.cpp
+++ b/src/qml/qml/qqmlengine.cpp
@@ -791,7 +791,7 @@ void QQmlData::signalEmitted(QAbstractDeclarativeData *, QObject *object, int in
     // marshalled back onto the QObject's thread and handled by QML from there.  This is tested
     // by the qqmlecmascript::threadSignal() autotest.
     if (ddata->notifyList &&
-        QThread::currentThreadId() != QObjectPrivate::get(object)->threadData->threadId) {
+        QThread::currentThreadId() != QObjectPrivate::get(object)->threadData->threadId.load()) {
 
         if (!QObjectPrivate::get(object)->threadData->thread)
             return;
diff --git a/src/qml/qml/qqmlmetatype.cpp b/src/qml/qml/qqmlmetatype.cpp
index bd6b9a1599..bb9b69c479 100644
--- a/src/qml/qml/qqmlmetatype.cpp
+++ b/src/qml/qml/qqmlmetatype.cpp
@@ -1971,7 +1971,9 @@ QString QQmlMetaType::prettyTypeName(const QObject *object)
         const int lastSlash = typeName.lastIndexOf(QLatin1Char('/'));
         if (lastSlash != -1)
             typeName = typeName.mid(lastSlash + 1);
-    } else {
+    }
+
+    if (typeName.isEmpty()) {
         typeName = QString::fromUtf8(object->metaObject()->className());
         int marker = typeName.indexOf(QLatin1String("_QMLTYPE_"));
         if (marker != -1)
@@ -1982,10 +1984,12 @@ QString QQmlMetaType::prettyTypeName(const QObject *object)
             typeName = typeName.leftRef(marker) + QLatin1Char('*');
             type = QQmlMetaType::qmlType(QMetaType::type(typeName.toLatin1()));
             if (type) {
-                typeName = type->qmlTypeName();
-                const int lastSlash = typeName.lastIndexOf(QLatin1Char('/'));
+                QString qmlTypeName = type->qmlTypeName();
+                const int lastSlash = qmlTypeName.lastIndexOf(QLatin1Char('/'));
                 if (lastSlash != -1)
-                    typeName = typeName.mid(lastSlash + 1);
+                    qmlTypeName = qmlTypeName.mid(lastSlash + 1);
+                if (!qmlTypeName.isEmpty())
+                    typeName = qmlTypeName;
             }
         }
     }
diff --git a/src/qml/qml/qqmlnotifier.cpp b/src/qml/qml/qqmlnotifier.cpp
index 185f9687fb..538ca822ee 100644
--- a/src/qml/qml/qqmlnotifier.cpp
+++ b/src/qml/qml/qqmlnotifier.cpp
@@ -122,8 +122,8 @@ void QQmlNotifierEndpoint::connect(QObject *source, int sourceSignal, QQmlEngine
     disconnect();
 
     Q_ASSERT(engine);
-    if (QObjectPrivate::get(source)->threadData->threadId !=
-        QObjectPrivate::get(engine)->threadData->threadId) {
+    if (QObjectPrivate::get(source)->threadData->threadId.load() !=
+        QObjectPrivate::get(engine)->threadData->threadId.load()) {
 
         QString sourceName;
         QDebug(&sourceName) << source;
diff --git a/src/qml/qml/qqmltypeloader.cpp b/src/qml/qml/qqmltypeloader.cpp
index 68eb989c70..eedb649ef6 100644
--- a/src/qml/qml/qqmltypeloader.cpp
+++ b/src/qml/qml/qqmltypeloader.cpp
@@ -80,10 +80,6 @@
 #  define NAME_MAX _POSIX_SYMLINK_MAX
 #endif
 
-// LSB has a broken version of qOffsetOf that can't be used at compile time
-// https://lsbbugs.linuxfoundation.org/show_bug.cgi?id=3462
-#undef qOffsetOf
-#define qOffsetOf(TYPE, MEMBER) __builtin_qOffsetOf (TYPE, MEMBER)
 #endif
 
 // #define DATABLOB_DEBUG
@@ -1249,20 +1245,20 @@ void QQmlTypeLoader::initializeEngine(QQmlExtensionInterface *iface,
 void QQmlTypeLoader::setData(QQmlDataBlob *blob, const QByteArray &data)
 {
     QML_MEMORY_SCOPE_URL(blob->url());
-    QQmlDataBlob::Data d;
-    d.d = &data;
+    QQmlDataBlob::SourceCodeData d;
+    d.inlineSourceCode = QString::fromUtf8(data);
     setData(blob, d);
 }
 
 void QQmlTypeLoader::setData(QQmlDataBlob *blob, const QString &fileName)
 {
     QML_MEMORY_SCOPE_URL(blob->url());
-    QQmlDataBlob::Data d;
-    d.d = &fileName;
+    QQmlDataBlob::SourceCodeData d;
+    d.fileInfo = QFileInfo(fileName);
     setData(blob, d);
 }
 
-void QQmlTypeLoader::setData(QQmlDataBlob *blob, const QQmlDataBlob::Data &d)
+void QQmlTypeLoader::setData(QQmlDataBlob *blob, const QQmlDataBlob::SourceCodeData &d)
 {
     QML_MEMORY_SCOPE_URL(blob->url());
     QQmlCompilingProfiler prof(QQmlEnginePrivate::get(engine())->profiler, blob);
@@ -2069,7 +2065,7 @@ bool QQmlTypeData::tryLoadFromDiskCache()
     QQmlRefPointer<QV4::CompiledData::CompilationUnit> unit = v4->iselFactory->createUnitForLoading();
     {
         QString error;
-        if (!unit->loadFromDisk(url(), v4->iselFactory.data(), &error)) {
+        if (!unit->loadFromDisk(url(), m_backupSourceCode.sourceTimeStamp(), v4->iselFactory.data(), &error)) {
             qCDebug(DBG_DISK_CACHE) << "Error loading" << url().toString() << "from disk cache:" << error;
             return false;
         }
@@ -2239,7 +2235,7 @@ void QQmlTypeData::done()
         qCDebug(DBG_DISK_CACHE) << "Checksum mismatch for cached version of" << m_compiledData->url().toString();
         if (!loadFromSource())
             return;
-        m_backupSourceCode.clear();
+        m_backupSourceCode = SourceCodeData();
         m_compiledData = nullptr;
     }
 
@@ -2346,13 +2342,9 @@ bool QQmlTypeData::loadImplicitImport()
     return true;
 }
 
-void QQmlTypeData::dataReceived(const Data &data)
+void QQmlTypeData::dataReceived(const SourceCodeData &data)
 {
-    QString error;
-    m_backupSourceCode = data.readAll(&error, &m_sourceTimeStamp);
-    // if we failed to read the source code, process it _after_ we've tried
-    // to use the disk cache, in order to support scenarios where the source
-    // was removed deliberately.
+    m_backupSourceCode = data;
 
     if (tryLoadFromDiskCache())
         return;
@@ -2360,8 +2352,8 @@ void QQmlTypeData::dataReceived(const Data &data)
     if (isError())
         return;
 
-    if (!error.isEmpty()) {
-        setError(error);
+    if (!m_backupSourceCode.exists()) {
+        setError(QQmlTypeLoader::tr("No such file or directory"));
         return;
     }
 
@@ -2380,12 +2372,19 @@ void QQmlTypeData::initializeFromCachedUnit(const QQmlPrivate::CachedQmlUnit *un
 
 bool QQmlTypeData::loadFromSource()
 {
-    QString code = QString::fromUtf8(m_backupSourceCode);
     m_document.reset(new QmlIR::Document(isDebugging()));
-    m_document->jsModule.sourceTimeStamp = m_sourceTimeStamp;
+    m_document->jsModule.sourceTimeStamp = m_backupSourceCode.sourceTimeStamp();
     QQmlEngine *qmlEngine = typeLoader()->engine();
     QmlIR::IRBuilder compiler(QV8Engine::get(qmlEngine)->illegalNames());
-    if (!compiler.generateFromQml(code, finalUrlString(), m_document.data())) {
+
+    QString sourceError;
+    const QString source = m_backupSourceCode.readAll(&sourceError);
+    if (!sourceError.isEmpty()) {
+        setError(sourceError);
+        return false;
+    }
+
+    if (!compiler.generateFromQml(source, finalUrlString(), m_document.data())) {
         QList<QQmlError> errors;
         errors.reserve(compiler.errors.count());
         for (const QQmlJS::DiagnosticMessage &msg : qAsConst(compiler.errors)) {
@@ -2523,7 +2522,7 @@ void QQmlTypeData::compile(const QQmlRefPointer<QQmlTypeNameCache> &typeNameCach
         QString errorString;
         if (m_compiledData->saveToDisk(url(), &errorString)) {
             QString error;
-            if (!m_compiledData->loadFromDisk(url(), enginePrivate->v4engine()->iselFactory.data(), &error)) {
+            if (!m_compiledData->loadFromDisk(url(), m_backupSourceCode.sourceTimeStamp(), enginePrivate->v4engine()->iselFactory.data(), &error)) {
                 // ignore error, keep using the in-memory compilation unit.
             }
         } else {
@@ -2876,14 +2875,14 @@ struct EmptyCompilationUnit : public QV4::CompiledData::CompilationUnit
     void linkBackendToEngine(QV4::ExecutionEngine *) override {}
 };
 
-void QQmlScriptBlob::dataReceived(const Data &data)
+void QQmlScriptBlob::dataReceived(const SourceCodeData &data)
 {
     QV4::ExecutionEngine *v4 = QV8Engine::getV4(m_typeLoader->engine());
 
     if (!disableDiskCache() || forceDiskCache()) {
         QQmlRefPointer<QV4::CompiledData::CompilationUnit> unit = v4->iselFactory->createUnitForLoading();
         QString error;
-        if (unit->loadFromDisk(url(), v4->iselFactory.data(), &error)) {
+        if (unit->loadFromDisk(url(), data.sourceTimeStamp(), v4->iselFactory.data(), &error)) {
             initializeFromCompilationUnit(unit);
             return;
         } else {
@@ -2894,8 +2893,9 @@ void QQmlScriptBlob::dataReceived(const Data &data)
 
     QmlIR::Document irUnit(isDebugging());
 
+    irUnit.jsModule.sourceTimeStamp = data.sourceTimeStamp();
     QString error;
-    QString source = QString::fromUtf8(data.readAll(&error, &irUnit.jsModule.sourceTimeStamp));
+    QString source = data.readAll(&error);
     if (!error.isEmpty()) {
         setError(error);
         return;
@@ -3059,10 +3059,10 @@ void QQmlQmldirData::setPriority(int priority)
     m_priority = priority;
 }
 
-void QQmlQmldirData::dataReceived(const Data &data)
+void QQmlQmldirData::dataReceived(const SourceCodeData &data)
 {
     QString error;
-    m_content = QString::fromUtf8(data.readAll(&error));
+    m_content = data.readAll(&error);
     if (!error.isEmpty()) {
         setError(error);
         return;
@@ -3074,34 +3074,54 @@ void QQmlQmldirData::initializeFromCachedUnit(const QQmlPrivate::CachedQmlUnit *
     Q_UNIMPLEMENTED();
 }
 
-QByteArray QQmlDataBlob::Data::readAll(QString *error, qint64 *sourceTimeStamp) const
+QString QQmlDataBlob::SourceCodeData::readAll(QString *error) const
 {
-    Q_ASSERT(!d.isNull());
     error->clear();
-    if (d.isT1()) {
-        if (sourceTimeStamp)
-            *sourceTimeStamp = 0;
-        return *d.asT1();
-    }
-    QFile f(*d.asT2());
+    if (!inlineSourceCode.isEmpty())
+        return inlineSourceCode;
+
+    QFile f(fileInfo.absoluteFilePath());
     if (!f.open(QIODevice::ReadOnly)) {
         *error = f.errorString();
-        return QByteArray();
+        return QString();
     }
-    if (sourceTimeStamp) {
-        QDateTime timeStamp = QFileInfo(f).lastModified();
-        // Files from the resource system do not have any time stamps, so fall back to the application
-        // executable.
-        if (!timeStamp.isValid())
-            timeStamp = QFileInfo(QCoreApplication::applicationFilePath()).lastModified();
-        *sourceTimeStamp = timeStamp.toMSecsSinceEpoch();
+
+    const qint64 fileSize = fileInfo.size();
+
+    if (uchar *mappedData = f.map(0, fileSize)) {
+        QString source = QString::fromUtf8(reinterpret_cast<const char *>(mappedData), fileSize);
+        f.unmap(mappedData);
+        return source;
     }
-    QByteArray data(f.size(), Qt::Uninitialized);
+
+    QByteArray data(fileSize, Qt::Uninitialized);
     if (f.read(data.data(), data.length()) != data.length()) {
         *error = f.errorString();
-        return QByteArray();
+        return QString();
     }
-    return data;
+    return QString::fromUtf8(data);
+}
+
+QDateTime QQmlDataBlob::SourceCodeData::sourceTimeStamp() const
+{
+    if (!inlineSourceCode.isEmpty())
+        return QDateTime();
+
+    QDateTime timeStamp = fileInfo.lastModified();
+    if (timeStamp.isValid())
+        return timeStamp;
+
+    static QDateTime appTimeStamp;
+    if (!appTimeStamp.isValid())
+        appTimeStamp = QFileInfo(QCoreApplication::applicationFilePath()).lastModified();
+    return appTimeStamp;
+}
+
+bool QQmlDataBlob::SourceCodeData::exists() const
+{
+    if (!inlineSourceCode.isEmpty())
+        return true;
+    return fileInfo.exists();
 }
 
 QT_END_NAMESPACE
diff --git a/src/qml/qml/qqmltypeloader_p.h b/src/qml/qml/qqmltypeloader_p.h
index 915b1bcc4c..1bd2c7f1e1 100644
--- a/src/qml/qml/qqmltypeloader_p.h
+++ b/src/qml/qml/qqmltypeloader_p.h
@@ -54,6 +54,7 @@
 #include <QtQml/qtqmlglobal.h>
 #include <QtCore/qobject.h>
 #include <QtCore/qatomic.h>
+#include <QtCore/qfileinfo.h>
 #if QT_CONFIG(qml_network)
 #include <QtNetwork/qnetworkreply.h>
 #endif
@@ -130,16 +131,16 @@ public:
 
     QList<QQmlError> errors() const;
 
-    class Data {
+    class SourceCodeData {
     public:
-        QByteArray readAll(QString *error, qint64 *sourceTimeStamp = 0) const;
+        QString readAll(QString *error) const;
+        QDateTime sourceTimeStamp() const;
+        bool exists() const;
     private:
         friend class QQmlDataBlob;
         friend class QQmlTypeLoader;
-        inline Data();
-        Data(const Data &);
-        Data &operator=(const Data &);
-        QBiPointer<const QByteArray, const QString> d;
+        QString inlineSourceCode;
+        QFileInfo fileInfo;
     };
 
 protected:
@@ -152,7 +153,7 @@ protected:
     void addDependency(QQmlDataBlob *);
 
     // Callbacks made in load thread
-    virtual void dataReceived(const Data &) = 0;
+    virtual void dataReceived(const SourceCodeData &) = 0;
     virtual void initializeFromCachedUnit(const QQmlPrivate::CachedQmlUnit*) = 0;
     virtual void done();
 #if QT_CONFIG(qml_network)
@@ -339,7 +340,7 @@ private:
 
     void setData(QQmlDataBlob *, const QByteArray &);
     void setData(QQmlDataBlob *, const QString &fileName);
-    void setData(QQmlDataBlob *, const QQmlDataBlob::Data &);
+    void setData(QQmlDataBlob *, const QQmlDataBlob::SourceCodeData &);
     void setCachedUnit(QQmlDataBlob *blob, const QQmlPrivate::CachedQmlUnit *unit);
 
     template<typename T>
@@ -436,7 +437,7 @@ public:
 protected:
     void done() override;
     void completed() override;
-    void dataReceived(const Data &) override;
+    void dataReceived(const SourceCodeData &) override;
     void initializeFromCachedUnit(const QQmlPrivate::CachedQmlUnit *unit) override;
     void allDependenciesDone() override;
     void downloadProgressChanged(qreal) override;
@@ -462,8 +463,7 @@ private:
     void scriptImported(QQmlScriptBlob *blob, const QV4::CompiledData::Location &location, const QString &qualifier, const QString &nameSpace) override;
 
 
-    qint64 m_sourceTimeStamp = 0;
-    QByteArray m_backupSourceCode; // used when cache verification fails.
+    SourceCodeData m_backupSourceCode; // used when cache verification fails.
     QScopedPointer<QmlIR::Document> m_document;
     QV4::CompiledData::TypeReferenceMap m_typeReferences;
 
@@ -547,7 +547,7 @@ public:
     QQmlScriptData *scriptData() const;
 
 protected:
-    void dataReceived(const Data &) override;
+    void dataReceived(const SourceCodeData &) override;
     void initializeFromCachedUnit(const QQmlPrivate::CachedQmlUnit *unit) override;
     void done() override;
 
@@ -578,7 +578,7 @@ public:
     void setPriority(int);
 
 protected:
-    void dataReceived(const Data &) override;
+    void dataReceived(const SourceCodeData &) override;
     void initializeFromCachedUnit(const QQmlPrivate::CachedQmlUnit*) override;
 
 private:
@@ -587,11 +587,6 @@ private:
     int m_priority;
 };
 
-QQmlDataBlob::Data::Data()
-{
-}
-
-
 
 QT_END_NAMESPACE
 
diff --git a/src/qml/qml/v8/qqmlbuiltinfunctions.cpp b/src/qml/qml/v8/qqmlbuiltinfunctions.cpp
index ec40c7846d..68a64a28f0 100644
--- a/src/qml/qml/v8/qqmlbuiltinfunctions.cpp
+++ b/src/qml/qml/v8/qqmlbuiltinfunctions.cpp
@@ -1885,7 +1885,7 @@ void GlobalExtensions::method_qsTr(const BuiltinFunction *, Scope &scope, CallDa
         ExecutionContext *parentCtx = scope.engine->currentContext;
         // The first non-empty source URL in the call stack determines the translation context.
         while (!!parentCtx && context.isEmpty()) {
-            if (QV4::CompiledData::CompilationUnit *unit = parentCtx->d()->compilationUnit) {
+            if (CompiledData::CompilationUnit *unit = static_cast<CompiledData::CompilationUnit*>(parentCtx->d()->compilationUnit)) {
                 QString fileName = unit->fileName();
                 QUrl url(unit->fileName());
                 if (url.isValid() && url.isRelative()) {
author	Simon Hausmann <simon.hausmann@qt.io>	2017-03-23 14:37:05 +0100
committer	Simon Hausmann <simon.hausmann@qt.io>	2017-03-23 14:43:46 +0100
commit	24d0266ee45cf6a3c5b9142453966199702fbf90 (patch)
tree	3484070112f5d4cbd1da4683398d0b41d748be65 /src/qml
parent	12569460e765ea01935ab60e06b5a5acf770ebe7 (diff)
parent	8f5366aed675ce7928448be2f6d739d0548b350e (diff)