JavaScriptCore-576.tar.gz

[apple/javascriptcore.git] / jit / JITStubs.h

diff --git a/jit/JITStubs.h b/jit/JITStubs.h
index 317eca98378a5da6962827ad016fbd68bac734f2..99c2dd2b7ea9e0bf85f70f679a2e1723b5b4ff3e 100644 (file)
--- a/jit/JITStubs.h
+++ b/jit/JITStubs.h
@@ -38,8 +38,11 @@
 
 namespace JSC {
 
+    struct StructureStubInfo;
+
     class CodeBlock;
     class ExecutablePool;
+    class FunctionExecutable;
     class Identifier;
     class JSGlobalData;
     class JSGlobalData;
@@ -51,8 +54,6 @@ namespace JSC {
     class PropertySlot;
     class PutPropertySlot;
     class RegisterFile;
-    class FuncDeclNode;
-    class FuncExprNode;
     class JSGlobalObject;
     class RegExp;
 
@@ -62,11 +63,11 @@ namespace JSC {
         int32_t asInt32;
 
         JSValue jsValue() { return JSValue::decode(asEncodedJSValue); }
+        JSObject* jsObject() { return static_cast<JSObject*>(asPointer); }
         Identifier& identifier() { return *static_cast<Identifier*>(asPointer); }
         int32_t int32() { return asInt32; }
         CodeBlock* codeBlock() { return static_cast<CodeBlock*>(asPointer); }
-        FuncDeclNode* funcDeclNode() { return static_cast<FuncDeclNode*>(asPointer); }
-        FuncExprNode* funcExprNode() { return static_cast<FuncExprNode*>(asPointer); }
+        FunctionExecutable* function() { return static_cast<FunctionExecutable*>(asPointer); }
         RegExp* regExp() { return static_cast<RegExp*>(asPointer); }
         JSPropertyNameIterator* propertyNameIterator() { return static_cast<JSPropertyNameIterator*>(asPointer); }
         JSGlobalObject* globalObject() { return static_cast<JSGlobalObject*>(asPointer); }
@@ -74,12 +75,19 @@ namespace JSC {
         ReturnAddressPtr returnAddress() { return ReturnAddressPtr(asPointer); }
     };
 
-#if PLATFORM(X86_64)
+#if CPU(X86_64)
     struct JITStackFrame {
         void* reserved; // Unused
         JITStubArg args[6];
         void* padding[2]; // Maintain 32-byte stack alignment (possibly overkill).
 
+        void* code;
+        RegisterFile* registerFile;
+        CallFrame* callFrame;
+        JSValue* exception;
+        Profiler** enabledProfilerReference;
+        JSGlobalData* globalData;
+
         void* savedRBX;
         void* savedR15;
         void* savedR14;
@@ -88,17 +96,10 @@ namespace JSC {
         void* savedRBP;
         void* savedRIP;
 
-        void* code;
-        RegisterFile* registerFile;
-        CallFrame* callFrame;
-        JSValue* exception;
-        Profiler** enabledProfilerReference;
-        JSGlobalData* globalData;
-
         // When JIT code makes a call, it pushes its return address just below the rest of the stack.
         ReturnAddressPtr* returnAddressSlot() { return reinterpret_cast<ReturnAddressPtr*>(this) - 1; }
     };
-#elif PLATFORM(X86)
+#elif CPU(X86)
 #if COMPILER(MSVC)
 #pragma pack(push)
 #pragma pack(4)
@@ -129,7 +130,7 @@ namespace JSC {
 #if COMPILER(MSVC)
 #pragma pack(pop)
 #endif // COMPILER(MSVC)
-#elif PLATFORM_ARM_ARCH(7)
+#elif CPU(ARM_THUMB2)
     struct JITStackFrame {
         void* reserved; // Unused
         JITStubArg args[6];
@@ -149,16 +150,45 @@ namespace JSC {
         CallFrame* callFrame;
         JSValue* exception;
 
+        void* padding2;
+
         // These arguments passed on the stack.
         Profiler** enabledProfilerReference;
         JSGlobalData* globalData;
         
+        ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; }
+    };
+#elif CPU(ARM_TRADITIONAL)
+    struct JITStackFrame {
+        JITStubArg padding; // Unused
+        JITStubArg args[7];
+
+        ReturnAddressPtr thunkReturnAddress;
+
+        void* preservedR4;
+        void* preservedR5;
+        void* preservedR6;
+        void* preservedR7;
+        void* preservedR8;
+        void* preservedLink;
+
+        RegisterFile* registerFile;
+        CallFrame* callFrame;
+        JSValue* exception;
+
+        // These arguments passed on the stack.
+        Profiler** enabledProfilerReference;
+        JSGlobalData* globalData;
+
+        // When JIT code makes a call, it pushes its return address just below the rest of the stack.
         ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; }
     };
 #else
 #error "JITStackFrame not defined for this platform."
 #endif
 
+#define JITSTACKFRAME_ARGS_INDEX (OBJECT_OFFSETOF(JITStackFrame, args) / sizeof(void*))
+
 #if USE(JIT_STUB_ARGUMENT_VA_LIST)
     #define STUB_ARGS_DECLARATION void* args, ...
     #define STUB_ARGS (reinterpret_cast<void**>(vl_args) - 1)
@@ -172,16 +202,16 @@ namespace JSC {
     #define STUB_ARGS_DECLARATION void** args
     #define STUB_ARGS (args)
 
-    #if PLATFORM(X86) && COMPILER(MSVC)
+    #if CPU(X86) && COMPILER(MSVC)
     #define JIT_STUB __fastcall
-    #elif PLATFORM(X86) && COMPILER(GCC)
+    #elif CPU(X86) && COMPILER(GCC)
     #define JIT_STUB  __attribute__ ((fastcall))
     #else
     #define JIT_STUB
     #endif
 #endif
 
-#if PLATFORM(X86_64)
+#if CPU(X86_64)
     struct VoidPtrPair {
         void* first;
         void* second;
@@ -200,23 +230,16 @@ namespace JSC {
 
     extern "C" void ctiVMThrowTrampoline();
     extern "C" void ctiOpThrowNotCaught();
-    extern "C" EncodedJSValue ctiTrampoline(
-#if PLATFORM(X86_64)
-            // FIXME: (bug #22910) this will force all arguments onto the stack (regparm(0) does not appear to have any effect).
-            // We can allow register passing here, and move the writes of these values into the trampoline.
-            void*, void*, void*, void*, void*, void*,
-#endif
-            void* code, RegisterFile*, CallFrame*, JSValue* exception, Profiler**, JSGlobalData*);
+    extern "C" EncodedJSValue ctiTrampoline(void* code, RegisterFile*, CallFrame*, JSValue* exception, Profiler**, JSGlobalData*);
 
     class JITThunks {
     public:
         JITThunks(JSGlobalData*);
 
-        static void tryCacheGetByID(CallFrame*, CodeBlock*, ReturnAddressPtr returnAddress, JSValue baseValue, const Identifier& propertyName, const PropertySlot&);
-        static void tryCachePutByID(CallFrame*, CodeBlock*, ReturnAddressPtr returnAddress, JSValue baseValue, const PutPropertySlot&);
-        
+        static void tryCacheGetByID(CallFrame*, CodeBlock*, ReturnAddressPtr returnAddress, JSValue baseValue, const Identifier& propertyName, const PropertySlot&, StructureStubInfo* stubInfo);
+        static void tryCachePutByID(CallFrame*, CodeBlock*, ReturnAddressPtr returnAddress, JSValue baseValue, const PutPropertySlot&, StructureStubInfo* stubInfo);
+
         MacroAssemblerCodePtr ctiStringLengthTrampoline() { return m_ctiStringLengthTrampoline; }
-        MacroAssemblerCodePtr ctiVirtualCallPreLink() { return m_ctiVirtualCallPreLink; }
         MacroAssemblerCodePtr ctiVirtualCallLink() { return m_ctiVirtualCallLink; }
         MacroAssemblerCodePtr ctiVirtualCall() { return m_ctiVirtualCall; }
         MacroAssemblerCodePtr ctiNativeCallThunk() { return m_ctiNativeCallThunk; }
@@ -225,7 +248,6 @@ namespace JSC {
         RefPtr<ExecutablePool> m_executablePool;
 
         MacroAssemblerCodePtr m_ctiStringLengthTrampoline;
-        MacroAssemblerCodePtr m_ctiVirtualCallPreLink;
         MacroAssemblerCodePtr m_ctiVirtualCallLink;
         MacroAssemblerCodePtr m_ctiVirtualCall;
         MacroAssemblerCodePtr m_ctiNativeCallThunk;
@@ -248,11 +270,9 @@ extern "C" {
     EncodedJSValue JIT_STUB cti_op_get_by_id_array_fail(STUB_ARGS_DECLARATION);
     EncodedJSValue JIT_STUB cti_op_get_by_id_generic(STUB_ARGS_DECLARATION);
     EncodedJSValue JIT_STUB cti_op_get_by_id_method_check(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_get_by_id_method_check_second(STUB_ARGS_DECLARATION);
     EncodedJSValue JIT_STUB cti_op_get_by_id_proto_fail(STUB_ARGS_DECLARATION);
     EncodedJSValue JIT_STUB cti_op_get_by_id_proto_list(STUB_ARGS_DECLARATION);
     EncodedJSValue JIT_STUB cti_op_get_by_id_proto_list_full(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_get_by_id_second(STUB_ARGS_DECLARATION);
     EncodedJSValue JIT_STUB cti_op_get_by_id_self_fail(STUB_ARGS_DECLARATION);
     EncodedJSValue JIT_STUB cti_op_get_by_id_string_fail(STUB_ARGS_DECLARATION);
     EncodedJSValue JIT_STUB cti_op_get_by_val(STUB_ARGS_DECLARATION);
@@ -272,7 +292,6 @@ extern "C" {
     EncodedJSValue JIT_STUB cti_op_mod(STUB_ARGS_DECLARATION);
     EncodedJSValue JIT_STUB cti_op_mul(STUB_ARGS_DECLARATION);
     EncodedJSValue JIT_STUB cti_op_negate(STUB_ARGS_DECLARATION);
-    EncodedJSValue JIT_STUB cti_op_next_pname(STUB_ARGS_DECLARATION);
     EncodedJSValue JIT_STUB cti_op_not(STUB_ARGS_DECLARATION);
     EncodedJSValue JIT_STUB cti_op_nstricteq(STUB_ARGS_DECLARATION);
     EncodedJSValue JIT_STUB cti_op_post_dec(STUB_ARGS_DECLARATION);
@@ -294,6 +313,7 @@ extern "C" {
     EncodedJSValue JIT_STUB cti_op_typeof(STUB_ARGS_DECLARATION);
     EncodedJSValue JIT_STUB cti_op_urshift(STUB_ARGS_DECLARATION);
     EncodedJSValue JIT_STUB cti_vm_throw(STUB_ARGS_DECLARATION);
+    EncodedJSValue JIT_STUB cti_to_object(STUB_ARGS_DECLARATION);
     JSObject* JIT_STUB cti_op_construct_JSConstruct(STUB_ARGS_DECLARATION);
     JSObject* JIT_STUB cti_op_new_array(STUB_ARGS_DECLARATION);
     JSObject* JIT_STUB cti_op_new_error(STUB_ARGS_DECLARATION);
@@ -315,10 +335,9 @@ extern "C" {
     int JIT_STUB cti_op_jlesseq(STUB_ARGS_DECLARATION);
     int JIT_STUB cti_op_jtrue(STUB_ARGS_DECLARATION);
     int JIT_STUB cti_op_load_varargs(STUB_ARGS_DECLARATION);
-    int JIT_STUB cti_op_loop_if_less(STUB_ARGS_DECLARATION);
     int JIT_STUB cti_op_loop_if_lesseq(STUB_ARGS_DECLARATION);
-    int JIT_STUB cti_op_loop_if_true(STUB_ARGS_DECLARATION);
     int JIT_STUB cti_timeout_check(STUB_ARGS_DECLARATION);
+    int JIT_STUB cti_has_property(STUB_ARGS_DECLARATION);
     void JIT_STUB cti_op_create_arguments(STUB_ARGS_DECLARATION);
     void JIT_STUB cti_op_create_arguments_no_params(STUB_ARGS_DECLARATION);
     void JIT_STUB cti_op_debug(STUB_ARGS_DECLARATION);
@@ -330,10 +349,8 @@ extern "C" {
     void JIT_STUB cti_op_put_by_id(STUB_ARGS_DECLARATION);
     void JIT_STUB cti_op_put_by_id_fail(STUB_ARGS_DECLARATION);
     void JIT_STUB cti_op_put_by_id_generic(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_put_by_id_second(STUB_ARGS_DECLARATION);
     void JIT_STUB cti_op_put_by_index(STUB_ARGS_DECLARATION);
     void JIT_STUB cti_op_put_by_val(STUB_ARGS_DECLARATION);
-    void JIT_STUB cti_op_put_by_val_array(STUB_ARGS_DECLARATION);
     void JIT_STUB cti_op_put_by_val_byte_array(STUB_ARGS_DECLARATION);
     void JIT_STUB cti_op_put_getter(STUB_ARGS_DECLARATION);
     void JIT_STUB cti_op_put_setter(STUB_ARGS_DECLARATION);
@@ -345,7 +362,6 @@ extern "C" {
     void* JIT_STUB cti_op_switch_char(STUB_ARGS_DECLARATION);
     void* JIT_STUB cti_op_switch_imm(STUB_ARGS_DECLARATION);
     void* JIT_STUB cti_op_switch_string(STUB_ARGS_DECLARATION);
-    void* JIT_STUB cti_vm_dontLazyLinkCall(STUB_ARGS_DECLARATION);
     void* JIT_STUB cti_vm_lazyLinkCall(STUB_ARGS_DECLARATION);
 } // extern "C"