#define Interpreter_h
#include "ArgList.h"
+#include "FastAllocBase.h"
+#include "HashMap.h"
#include "JSCell.h"
#include "JSValue.h"
+#include "JSObject.h"
#include "Opcode.h"
#include "RegisterFile.h"
-#include <wtf/HashMap.h>
namespace JSC {
class FunctionBodyNode;
class Instruction;
class InternalFunction;
- class AssemblerBuffer;
class JSFunction;
class JSGlobalObject;
class ProgramNode;
class Register;
class ScopeChainNode;
class SamplingTool;
+ struct CallFrameClosure;
struct HandlerInfo;
-#if ENABLE(JIT)
-
-#if USE(JIT_STUB_ARGUMENT_VA_LIST)
- #define STUB_ARGS void* args, ...
- #define ARGS (reinterpret_cast<void**>(vl_args) - 1)
-#else // JIT_STUB_ARGUMENT_REGISTER or JIT_STUB_ARGUMENT_STACK
- #define STUB_ARGS void** args
- #define ARGS (args)
-#endif
-
-#if USE(JIT_STUB_ARGUMENT_REGISTER)
- #if PLATFORM(X86_64)
- #define JIT_STUB
- #elif COMPILER(MSVC)
- #define JIT_STUB __fastcall
- #elif COMPILER(GCC)
- #define JIT_STUB __attribute__ ((fastcall))
- #else
- #error Need to support register calling convention in this compiler
- #endif
-#else // JIT_STUB_ARGUMENT_VA_LIST or JIT_STUB_ARGUMENT_STACK
- #if COMPILER(MSVC)
- #define JIT_STUB __cdecl
- #else
- #define JIT_STUB
- #endif
-#endif
-
-// The Mac compilers are fine with this,
-#if PLATFORM(MAC)
- struct VoidPtrPair {
- void* first;
- void* second;
- };
-#define RETURN_PAIR(a,b) VoidPtrPair pair = { a, b }; return pair
-#else
- typedef uint64_t VoidPtrPair;
- union VoidPtrPairValue {
- struct { void* first; void* second; } s;
- VoidPtrPair i;
- };
-#define RETURN_PAIR(a,b) VoidPtrPairValue pair = {{ a, b }}; return pair.i
-#endif
-
-#endif // ENABLE(JIT)
-
enum DebugHookID {
WillExecuteProgram,
DidExecuteProgram,
// We use a smaller reentrancy limit on iPhone because of the high amount of
// stack space required on the web thread.
- enum { MaxReentryDepth = 100 };
+ enum { MaxMainThreadReentryDepth = 100, MaxSecondaryThreadReentryDepth = 32 };
- class Interpreter {
+ class Interpreter : public FastAllocBase {
friend class JIT;
+ friend class CachedCall;
public:
Interpreter();
- ~Interpreter();
- void initialize(JSGlobalData*);
-
RegisterFile& registerFile() { return m_registerFile; }
Opcode getOpcode(OpcodeID id)
bool isOpcode(Opcode);
- JSValuePtr execute(ProgramNode*, CallFrame*, ScopeChainNode*, JSObject* thisObj, JSValuePtr* exception);
- JSValuePtr execute(FunctionBodyNode*, CallFrame*, JSFunction*, JSObject* thisObj, const ArgList& args, ScopeChainNode*, JSValuePtr* exception);
- JSValuePtr execute(EvalNode* evalNode, CallFrame* exec, JSObject* thisObj, ScopeChainNode* scopeChain, JSValuePtr* exception);
+ JSValue execute(ProgramNode*, CallFrame*, ScopeChainNode*, JSObject* thisObj, JSValue* exception);
+ JSValue execute(FunctionBodyNode*, CallFrame*, JSFunction*, JSObject* thisObj, const ArgList& args, ScopeChainNode*, JSValue* exception);
+ JSValue execute(EvalNode* evalNode, CallFrame* exec, JSObject* thisObj, ScopeChainNode* scopeChain, JSValue* exception);
- JSValuePtr retrieveArguments(CallFrame*, JSFunction*) const;
- JSValuePtr retrieveCaller(CallFrame*, InternalFunction*) const;
- void retrieveLastCaller(CallFrame*, int& lineNumber, intptr_t& sourceID, UString& sourceURL, JSValuePtr& function) const;
+ JSValue retrieveArguments(CallFrame*, JSFunction*) const;
+ JSValue retrieveCaller(CallFrame*, InternalFunction*) const;
+ void retrieveLastCaller(CallFrame*, int& lineNumber, intptr_t& sourceID, UString& sourceURL, JSValue& function) const;
void getArgumentsData(CallFrame*, JSFunction*&, ptrdiff_t& firstParameterIndex, Register*& argv, int& argc);
- void setTimeoutTime(unsigned timeoutTime) { m_timeoutTime = timeoutTime; }
- void startTimeoutCheck()
- {
- if (!m_timeoutCheckCount)
- resetTimeoutCheck();
-
- ++m_timeoutCheckCount;
- }
-
- void stopTimeoutCheck()
- {
- ASSERT(m_timeoutCheckCount);
- --m_timeoutCheckCount;
- }
-
- inline void initTimeout()
- {
- ASSERT(!m_timeoutCheckCount);
- resetTimeoutCheck();
- m_timeoutTime = 0;
- m_timeoutCheckCount = 0;
- }
-
void setSampler(SamplingTool* sampler) { m_sampler = sampler; }
SamplingTool* sampler() { return m_sampler; }
-#if ENABLE(JIT)
-
- static int JIT_STUB cti_timeout_check(STUB_ARGS);
- static void JIT_STUB cti_register_file_check(STUB_ARGS);
-
- static JSObject* JIT_STUB cti_op_convert_this(STUB_ARGS);
- static void JIT_STUB cti_op_end(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_add(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_pre_inc(STUB_ARGS);
- static int JIT_STUB cti_op_loop_if_less(STUB_ARGS);
- static int JIT_STUB cti_op_loop_if_lesseq(STUB_ARGS);
- static JSObject* JIT_STUB cti_op_new_object(STUB_ARGS);
- static void JIT_STUB cti_op_put_by_id(STUB_ARGS);
- static void JIT_STUB cti_op_put_by_id_second(STUB_ARGS);
- static void JIT_STUB cti_op_put_by_id_generic(STUB_ARGS);
- static void JIT_STUB cti_op_put_by_id_fail(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_get_by_id(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_get_by_id_second(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_get_by_id_generic(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_get_by_id_self_fail(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_get_by_id_proto_list(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_get_by_id_proto_list_full(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_get_by_id_proto_fail(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_get_by_id_array_fail(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_get_by_id_string_fail(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_del_by_id(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_instanceof(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_mul(STUB_ARGS);
- static JSObject* JIT_STUB cti_op_new_func(STUB_ARGS);
- static void* JIT_STUB cti_op_call_JSFunction(STUB_ARGS);
- static VoidPtrPair JIT_STUB cti_op_call_arityCheck(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_call_NotJSFunction(STUB_ARGS);
- static void JIT_STUB cti_op_create_arguments(STUB_ARGS);
- static void JIT_STUB cti_op_create_arguments_no_params(STUB_ARGS);
- static void JIT_STUB cti_op_tear_off_activation(STUB_ARGS);
- static void JIT_STUB cti_op_tear_off_arguments(STUB_ARGS);
- static void JIT_STUB cti_op_profile_will_call(STUB_ARGS);
- static void JIT_STUB cti_op_profile_did_call(STUB_ARGS);
- static void JIT_STUB cti_op_ret_scopeChain(STUB_ARGS);
- static JSObject* JIT_STUB cti_op_new_array(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_resolve(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_resolve_global(STUB_ARGS);
- static JSObject* JIT_STUB cti_op_construct_JSConstruct(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_construct_NotJSConstruct(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_get_by_val(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_get_by_val_byte_array(STUB_ARGS);
- static VoidPtrPair JIT_STUB cti_op_resolve_func(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_sub(STUB_ARGS);
- static void JIT_STUB cti_op_put_by_val(STUB_ARGS);
- static void JIT_STUB cti_op_put_by_val_array(STUB_ARGS);
- static void JIT_STUB cti_op_put_by_val_byte_array(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_lesseq(STUB_ARGS);
- static int JIT_STUB cti_op_loop_if_true(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_resolve_base(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_negate(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_resolve_skip(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_div(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_pre_dec(STUB_ARGS);
- static int JIT_STUB cti_op_jless(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_not(STUB_ARGS);
- static int JIT_STUB cti_op_jtrue(STUB_ARGS);
- static VoidPtrPair JIT_STUB cti_op_post_inc(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_eq(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_lshift(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_bitand(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_rshift(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_bitnot(STUB_ARGS);
- static VoidPtrPair JIT_STUB cti_op_resolve_with_base(STUB_ARGS);
- static JSObject* JIT_STUB cti_op_new_func_exp(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_mod(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_less(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_neq(STUB_ARGS);
- static VoidPtrPair JIT_STUB cti_op_post_dec(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_urshift(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_bitxor(STUB_ARGS);
- static JSObject* JIT_STUB cti_op_new_regexp(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_bitor(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_call_eval(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_throw(STUB_ARGS);
- static JSPropertyNameIterator* JIT_STUB cti_op_get_pnames(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_next_pname(STUB_ARGS);
- static JSObject* JIT_STUB cti_op_push_scope(STUB_ARGS);
- static void JIT_STUB cti_op_pop_scope(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_typeof(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_is_undefined(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_is_boolean(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_is_number(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_is_string(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_is_object(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_is_function(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_stricteq(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_nstricteq(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_to_jsnumber(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_in(STUB_ARGS);
- static JSObject* JIT_STUB cti_op_push_new_scope(STUB_ARGS);
- static void JIT_STUB cti_op_jmp_scopes(STUB_ARGS);
- static void JIT_STUB cti_op_put_by_index(STUB_ARGS);
- static void* JIT_STUB cti_op_switch_imm(STUB_ARGS);
- static void* JIT_STUB cti_op_switch_char(STUB_ARGS);
- static void* JIT_STUB cti_op_switch_string(STUB_ARGS);
- static JSValueEncodedAsPointer* JIT_STUB cti_op_del_by_val(STUB_ARGS);
- static void JIT_STUB cti_op_put_getter(STUB_ARGS);
- static void JIT_STUB cti_op_put_setter(STUB_ARGS);
- static JSObject* JIT_STUB cti_op_new_error(STUB_ARGS);
- static void JIT_STUB cti_op_debug(STUB_ARGS);
-
- static JSValueEncodedAsPointer* JIT_STUB cti_vm_throw(STUB_ARGS);
- static void* JIT_STUB cti_vm_dontLazyLinkCall(STUB_ARGS);
- static void* JIT_STUB cti_vm_lazyLinkCall(STUB_ARGS);
- static JSObject* JIT_STUB cti_op_push_activation(STUB_ARGS);
-
-#endif // ENABLE(JIT)
-
- // Default number of ticks before a timeout check should be done.
- static const int initialTickCountThreshold = 1024;
-
- bool isJSArray(JSValuePtr v) { return v.isCell() && v.asCell()->vptr() == m_jsArrayVptr; }
- bool isJSString(JSValuePtr v) { return v.isCell() && v.asCell()->vptr() == m_jsStringVptr; }
- bool isJSByteArray(JSValuePtr v) { return v.isCell() && v.asCell()->vptr() == m_jsByteArrayVptr; }
+ NEVER_INLINE JSValue callEval(CallFrame*, RegisterFile*, Register* argv, int argc, int registerOffset, JSValue& exceptionValue);
+ NEVER_INLINE HandlerInfo* throwException(CallFrame*&, JSValue&, unsigned bytecodeOffset, bool);
+ NEVER_INLINE void debug(CallFrame*, DebugHookID, int firstLine, int lastLine);
private:
enum ExecutionFlag { Normal, InitializeAndReturn };
- NEVER_INLINE JSValuePtr callEval(CallFrame*, RegisterFile*, Register* argv, int argc, int registerOffset, JSValuePtr& exceptionValue);
- JSValuePtr execute(EvalNode*, CallFrame*, JSObject* thisObject, int globalRegisterOffset, ScopeChainNode*, JSValuePtr* exception);
+ CallFrameClosure prepareForRepeatCall(FunctionBodyNode*, CallFrame*, JSFunction*, int argCount, ScopeChainNode*, JSValue* exception);
+ void endRepeatCall(CallFrameClosure&);
+ JSValue execute(CallFrameClosure&, JSValue* exception);
- NEVER_INLINE void debug(CallFrame*, DebugHookID, int firstLine, int lastLine);
+ JSValue execute(EvalNode*, CallFrame*, JSObject* thisObject, int globalRegisterOffset, ScopeChainNode*, JSValue* exception);
- NEVER_INLINE bool resolve(CallFrame*, Instruction*, JSValuePtr& exceptionValue);
- NEVER_INLINE bool resolveSkip(CallFrame*, Instruction*, JSValuePtr& exceptionValue);
- NEVER_INLINE bool resolveGlobal(CallFrame*, Instruction*, JSValuePtr& exceptionValue);
+#if USE(INTERPRETER)
+ NEVER_INLINE bool resolve(CallFrame*, Instruction*, JSValue& exceptionValue);
+ NEVER_INLINE bool resolveSkip(CallFrame*, Instruction*, JSValue& exceptionValue);
+ NEVER_INLINE bool resolveGlobal(CallFrame*, Instruction*, JSValue& exceptionValue);
NEVER_INLINE void resolveBase(CallFrame*, Instruction* vPC);
- NEVER_INLINE bool resolveBaseAndProperty(CallFrame*, Instruction*, JSValuePtr& exceptionValue);
+ NEVER_INLINE bool resolveBaseAndProperty(CallFrame*, Instruction*, JSValue& exceptionValue);
+ NEVER_INLINE bool resolveBaseAndFunc(CallFrame*, Instruction*, JSValue& exceptionValue);
NEVER_INLINE ScopeChainNode* createExceptionScope(CallFrame*, const Instruction* vPC);
- NEVER_INLINE bool unwindCallFrame(CallFrame*&, JSValuePtr, unsigned& bytecodeOffset, CodeBlock*&);
- NEVER_INLINE HandlerInfo* throwException(CallFrame*&, JSValuePtr&, unsigned bytecodeOffset, bool);
- NEVER_INLINE bool resolveBaseAndFunc(CallFrame*, Instruction*, JSValuePtr& exceptionValue);
+ void tryCacheGetByID(CallFrame*, CodeBlock*, Instruction*, JSValue baseValue, const Identifier& propertyName, const PropertySlot&);
+ void uncacheGetByID(CodeBlock*, Instruction* vPC);
+ void tryCachePutByID(CallFrame*, CodeBlock*, Instruction*, JSValue baseValue, const PutPropertySlot&);
+ void uncachePutByID(CodeBlock*, Instruction* vPC);
+#endif
+
+ NEVER_INLINE bool unwindCallFrame(CallFrame*&, JSValue, unsigned& bytecodeOffset, CodeBlock*&);
static ALWAYS_INLINE CallFrame* slideRegisterWindowForCall(CodeBlock*, RegisterFile*, CallFrame*, size_t registerOffset, int argc);
static CallFrame* findFunctionCallFrame(CallFrame*, InternalFunction*);
- JSValuePtr privateExecute(ExecutionFlag, RegisterFile*, CallFrame*, JSValuePtr* exception);
+ JSValue privateExecute(ExecutionFlag, RegisterFile*, CallFrame*, JSValue* exception);
void dumpCallFrame(CallFrame*);
void dumpRegisters(CallFrame*);
-
- bool checkTimeout(JSGlobalObject*);
- void resetTimeoutCheck();
-
- void tryCacheGetByID(CallFrame*, CodeBlock*, Instruction*, JSValuePtr baseValue, const Identifier& propertyName, const PropertySlot&);
- void uncacheGetByID(CodeBlock*, Instruction* vPC);
- void tryCachePutByID(CallFrame*, CodeBlock*, Instruction*, JSValuePtr baseValue, const PutPropertySlot&);
- void uncachePutByID(CodeBlock*, Instruction* vPC);
bool isCallBytecode(Opcode opcode) { return opcode == getOpcode(op_call) || opcode == getOpcode(op_construct) || opcode == getOpcode(op_call_eval); }
-#if ENABLE(JIT)
- static void throwStackOverflowPreviousFrame(CallFrame**, JSGlobalData*, void*& returnAddress);
-
- void tryCTICacheGetByID(CallFrame*, CodeBlock*, void* returnAddress, JSValuePtr baseValue, const Identifier& propertyName, const PropertySlot&);
- void tryCTICachePutByID(CallFrame*, CodeBlock*, void* returnAddress, JSValuePtr baseValue, const PutPropertySlot&);
-#endif
-
SamplingTool* m_sampler;
-#if ENABLE(JIT)
- RefPtr<ExecutablePool> m_executablePool;
- void* m_ctiArrayLengthTrampoline;
- void* m_ctiStringLengthTrampoline;
- void* m_ctiVirtualCallPreLink;
- void* m_ctiVirtualCallLink;
- void* m_ctiVirtualCall;
-#endif
-
int m_reentryDepth;
- unsigned m_timeoutTime;
- unsigned m_timeAtLastCheckTimeout;
- unsigned m_timeExecuting;
- unsigned m_timeoutCheckCount;
- unsigned m_ticksUntilNextTimeoutCheck;
RegisterFile m_registerFile;
- void* m_jsArrayVptr;
- void* m_jsByteArrayVptr;
- void* m_jsStringVptr;
- void* m_jsFunctionVptr;
-
#if HAVE(COMPUTED_GOTO)
Opcode m_opcodeTable[numOpcodeIDs]; // Maps OpcodeID => Opcode for compiling
HashMap<Opcode, OpcodeID> m_opcodeIDTable; // Maps Opcode => OpcodeID for decompiling
#endif
};
-
+
} // namespace JSC
#endif // Interpreter_h
projects / apple / javascriptcore.git / blobdiff