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| |
| #ifndef QV4BASELINEASSEMBLER_P_H |
| #define QV4BASELINEASSEMBLER_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <private/qv4global_p.h> |
| #include <private/qv4function_p.h> |
| #include <QHash> |
| |
| QT_REQUIRE_CONFIG(qml_jit); |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QV4 { |
| namespace JIT { |
| |
| #define GENERATE_RUNTIME_CALL(function, destination) \ |
| callRuntime(reinterpret_cast<void *>(&Runtime::function::call), \ |
| destination) |
| #define GENERATE_TAIL_CALL(function) \ |
| tailCallRuntime(reinterpret_cast<void *>(&function)) |
| |
| class BaselineAssembler { |
| public: |
| BaselineAssembler(const Value* constantTable); |
| ~BaselineAssembler(); |
| |
| // codegen infrastructure |
| void generatePrologue(); |
| void generateEpilogue(); |
| void link(Function *function); |
| void addLabel(int offset); |
| |
| // loads/stores/moves |
| void loadConst(int constIndex); |
| void copyConst(int constIndex, int destReg); |
| void loadReg(int reg); |
| void moveReg(int sourceReg, int destReg); |
| void storeReg(int reg); |
| void loadLocal(int index, int level = 0); |
| void storeLocal(int index, int level = 0); |
| void loadString(int stringId); |
| void loadValue(ReturnedValue value); |
| void storeHeapObject(int reg); |
| void loadImport(int index); |
| |
| // numeric ops |
| void unot(); |
| void toNumber(); |
| void uminus(); |
| void ucompl(); |
| void inc(); |
| void dec(); |
| void add(int lhs); |
| void bitAnd(int lhs); |
| void bitOr(int lhs); |
| void bitXor(int lhs); |
| void ushr(int lhs); |
| void shr(int lhs); |
| void shl(int lhs); |
| void bitAndConst(int rhs); |
| void bitOrConst(int rhs); |
| void bitXorConst(int rhs); |
| void ushrConst(int rhs); |
| void shrConst(int rhs); |
| void shlConst(int rhs); |
| void mul(int lhs); |
| void div(int lhs); |
| void mod(int lhs); |
| void sub(int lhs); |
| |
| // comparissons |
| void cmpeqNull(); |
| void cmpneNull(); |
| void cmpeqInt(int lhs); |
| void cmpneInt(int lhs); |
| void cmpeq(int lhs); |
| void cmpne(int lhs); |
| void cmpgt(int lhs); |
| void cmpge(int lhs); |
| void cmplt(int lhs); |
| void cmple(int lhs); |
| void cmpStrictEqual(int lhs); |
| void cmpStrictNotEqual(int lhs); |
| |
| // jumps |
| Q_REQUIRED_RESULT int jump(int offset); |
| Q_REQUIRED_RESULT int jumpTrue(int offset); |
| Q_REQUIRED_RESULT int jumpFalse(int offset); |
| Q_REQUIRED_RESULT int jumpNoException(int offset); |
| Q_REQUIRED_RESULT int jumpNotUndefined(int offset); |
| |
| // stuff for runtime calls |
| void prepareCallWithArgCount(int argc); |
| void storeInstructionPointer(int instructionOffset); |
| void passAccumulatorAsArg(int arg); |
| void passFunctionAsArg(int arg); |
| void passEngineAsArg(int arg); |
| void passJSSlotAsArg(int reg, int arg); |
| void passCppFrameAsArg(int arg); |
| void passInt32AsArg(int value, int arg); |
| void passPointerAsArg(void *ptr, int arg); |
| void callRuntime(const void *funcPtr, CallResultDestination dest); |
| void saveAccumulatorInFrame(); |
| void loadAccumulatorFromFrame(); |
| void jsTailCall(int func, int thisObject, int argc, int argv); |
| |
| // exception/context stuff |
| void checkException(); |
| void gotoCatchException(); |
| void getException(); |
| void setException(); |
| Q_REQUIRED_RESULT int setUnwindHandler(int offset); |
| void clearUnwindHandler(); |
| void unwindDispatch(); |
| Q_REQUIRED_RESULT int unwindToLabel(int level, int offset); |
| void pushCatchContext(int index, int name); |
| void popContext(); |
| void deadTemporalZoneCheck(int offsetForSavedIP, int variableName); |
| |
| // other stuff |
| void ret(); |
| |
| protected: |
| void *d; |
| |
| private: |
| typedef unsigned(*CmpFunc)(const Value&,const Value&); |
| void cmp(int cond, CmpFunc function, int lhs); |
| }; |
| |
| } // namespace JIT |
| } // namespace QV4 |
| |
| QT_END_NAMESPACE |
| |
| #endif // QV4BASELINEASSEMBLER_P_H |