}
-// TODO(kmillikin): Eliminate this function when the stub cache is fully
-// handlified.
-MUST_USE_RESULT static MaybeObject* TryGenerateDictionaryNegativeLookup(
- MacroAssembler* masm,
- Label* miss_label,
- Register receiver,
- String* name,
- Register scratch0,
- Register scratch1) {
- ASSERT(name->IsSymbol());
- Counters* counters = masm->isolate()->counters();
- __ IncrementCounter(counters->negative_lookups(), 1, scratch0, scratch1);
- __ IncrementCounter(counters->negative_lookups_miss(), 1, scratch0, scratch1);
-
- Label done;
-
- const int kInterceptorOrAccessCheckNeededMask =
- (1 << Map::kHasNamedInterceptor) | (1 << Map::kIsAccessCheckNeeded);
-
- // Bail out if the receiver has a named interceptor or requires access checks.
- Register map = scratch1;
- __ lw(map, FieldMemOperand(receiver, HeapObject::kMapOffset));
- __ lbu(scratch0, FieldMemOperand(map, Map::kBitFieldOffset));
- __ And(at, scratch0, Operand(kInterceptorOrAccessCheckNeededMask));
- __ Branch(miss_label, ne, at, Operand(zero_reg));
-
-
- // Check that receiver is a JSObject.
- __ lbu(scratch0, FieldMemOperand(map, Map::kInstanceTypeOffset));
- __ Branch(miss_label, lt, scratch0, Operand(FIRST_SPEC_OBJECT_TYPE));
-
- // Load properties array.
- Register properties = scratch0;
- __ lw(properties, FieldMemOperand(receiver, JSObject::kPropertiesOffset));
- // Check that the properties array is a dictionary.
- __ lw(map, FieldMemOperand(properties, HeapObject::kMapOffset));
- Register tmp = properties;
- __ LoadRoot(tmp, Heap::kHashTableMapRootIndex);
- __ Branch(miss_label, ne, map, Operand(tmp));
-
- // Restore the temporarily used register.
- __ lw(properties, FieldMemOperand(receiver, JSObject::kPropertiesOffset));
-
- MaybeObject* result = StringDictionaryLookupStub::TryGenerateNegativeLookup(
- masm,
- miss_label,
- &done,
- receiver,
- properties,
- name,
- scratch1);
- if (result->IsFailure()) return result;
-
- __ bind(&done);
- __ DecrementCounter(counters->negative_lookups_miss(), 1, scratch0, scratch1);
-
- return result;
-}
-
-
void StubCache::GenerateProbe(MacroAssembler* masm,
Code::Flags flags,
Register receiver,
void StubCompiler::GenerateDirectLoadGlobalFunctionPrototype(
- MacroAssembler* masm, int index, Register prototype, Label* miss) {
+ MacroAssembler* masm,
+ int index,
+ Register prototype,
+ Label* miss) {
Isolate* isolate = masm->isolate();
// Check we're still in the same context.
__ lw(prototype, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX)));
__ li(at, isolate->global());
__ Branch(miss, ne, prototype, Operand(at));
// Get the global function with the given index.
- JSFunction* function =
- JSFunction::cast(isolate->global_context()->get(index));
+ Handle<JSFunction> function(
+ JSFunction::cast(isolate->global_context()->get(index)));
// Load its initial map. The global functions all have initial maps.
__ li(prototype, Handle<Map>(function->initial_map()));
// Load the prototype from the initial map.
Register receiver,
Register holder,
Register name,
- JSObject* holder_obj) {
+ Handle<JSObject> holder_obj) {
__ push(name);
- InterceptorInfo* interceptor = holder_obj->GetNamedInterceptor();
- ASSERT(!masm->isolate()->heap()->InNewSpace(interceptor));
+ Handle<InterceptorInfo> interceptor(holder_obj->GetNamedInterceptor());
+ ASSERT(!masm->isolate()->heap()->InNewSpace(*interceptor));
Register scratch = name;
- __ li(scratch, Operand(Handle<Object>(interceptor)));
+ __ li(scratch, Operand(interceptor));
__ Push(scratch, receiver, holder);
__ lw(scratch, FieldMemOperand(scratch, InterceptorInfo::kDataOffset));
__ push(scratch);
}
-static void CompileCallLoadPropertyWithInterceptor(MacroAssembler* masm,
- Register receiver,
- Register holder,
- Register name,
- JSObject* holder_obj) {
+static void CompileCallLoadPropertyWithInterceptor(
+ MacroAssembler* masm,
+ Register receiver,
+ Register holder,
+ Register name,
+ Handle<JSObject> holder_obj) {
PushInterceptorArguments(masm, receiver, holder, name, holder_obj);
ExternalReference ref =
}
-static MaybeObject* GenerateFastApiDirectCall(
- MacroAssembler* masm,
- const CallOptimization& optimization,
- int argc) {
+static void GenerateFastApiDirectCall(MacroAssembler* masm,
+ const CallOptimization& optimization,
+ int argc) {
// ----------- S t a t e -------------
// -- sp[0] : holder (set by CheckPrototypes)
// -- sp[4] : callee js function
// -- sp[(argc + 4) * 4] : receiver
// -----------------------------------
// Get the function and setup the context.
- JSFunction* function = optimization.constant_function();
- __ li(t1, Operand(Handle<JSFunction>(function)));
+ Handle<JSFunction> function = optimization.constant_function();
+ __ li(t1, Operand(function));
__ lw(cp, FieldMemOperand(t1, JSFunction::kContextOffset));
// Pass the additional arguments FastHandleApiCall expects.
- Object* call_data = optimization.api_call_info()->data();
- Handle<CallHandlerInfo> api_call_info_handle(optimization.api_call_info());
- if (masm->isolate()->heap()->InNewSpace(call_data)) {
- __ li(a0, api_call_info_handle);
+ Handle<CallHandlerInfo> api_call_info = optimization.api_call_info();
+ Handle<Object> call_data(api_call_info->data());
+ if (masm->isolate()->heap()->InNewSpace(*call_data)) {
+ __ li(a0, api_call_info);
__ lw(t2, FieldMemOperand(a0, CallHandlerInfo::kDataOffset));
} else {
- __ li(t2, Operand(Handle<Object>(call_data)));
+ __ li(t2, call_data);
}
// Store js function and call data.
// (refer to layout above).
__ Addu(a2, sp, Operand(2 * kPointerSize));
- Object* callback = optimization.api_call_info()->callback();
- Address api_function_address = v8::ToCData<Address>(callback);
- ApiFunction fun(api_function_address);
-
const int kApiStackSpace = 4;
FrameScope frame_scope(masm, StackFrame::MANUAL);
// v8::Arguments::is_construct_call = 0
__ sw(zero_reg, MemOperand(a1, 3 * kPointerSize));
- // Emitting a stub call may try to allocate (if the code is not
- // already generated). Do not allow the assembler to perform a
- // garbage collection but instead return the allocation failure
- // object.
const int kStackUnwindSpace = argc + kFastApiCallArguments + 1;
+ Address function_address = v8::ToCData<Address>(api_call_info->callback());
+ ApiFunction fun(function_address);
ExternalReference ref =
ExternalReference(&fun,
ExternalReference::DIRECT_API_CALL,
masm->isolate());
AllowExternalCallThatCantCauseGC scope(masm);
- return masm->TryCallApiFunctionAndReturn(ref, kStackUnwindSpace);
+ __ CallApiFunctionAndReturn(ref, kStackUnwindSpace);
}
class CallInterceptorCompiler BASE_EMBEDDED {
name_(name),
extra_ic_state_(extra_ic_state) {}
- MaybeObject* Compile(MacroAssembler* masm,
- JSObject* object,
- JSObject* holder,
- String* name,
- LookupResult* lookup,
- Register receiver,
- Register scratch1,
- Register scratch2,
- Register scratch3,
- Label* miss) {
+ void Compile(MacroAssembler* masm,
+ Handle<JSObject> object,
+ Handle<JSObject> holder,
+ Handle<String> name,
+ LookupResult* lookup,
+ Register receiver,
+ Register scratch1,
+ Register scratch2,
+ Register scratch3,
+ Label* miss) {
ASSERT(holder->HasNamedInterceptor());
ASSERT(!holder->GetNamedInterceptor()->getter()->IsUndefined());
// Check that the receiver isn't a smi.
__ JumpIfSmi(receiver, miss);
-
CallOptimization optimization(lookup);
-
if (optimization.is_constant_call()) {
- return CompileCacheable(masm,
- object,
- receiver,
- scratch1,
- scratch2,
- scratch3,
- holder,
- lookup,
- name,
- optimization,
- miss);
+ CompileCacheable(masm, object, receiver, scratch1, scratch2, scratch3,
+ holder, lookup, name, optimization, miss);
} else {
- CompileRegular(masm,
- object,
- receiver,
- scratch1,
- scratch2,
- scratch3,
- name,
- holder,
- miss);
- return masm->isolate()->heap()->undefined_value();
+ CompileRegular(masm, object, receiver, scratch1, scratch2, scratch3,
+ name, holder, miss);
}
}
private:
- MaybeObject* CompileCacheable(MacroAssembler* masm,
- JSObject* object,
- Register receiver,
- Register scratch1,
- Register scratch2,
- Register scratch3,
- JSObject* interceptor_holder,
- LookupResult* lookup,
- String* name,
- const CallOptimization& optimization,
- Label* miss_label) {
+ void CompileCacheable(MacroAssembler* masm,
+ Handle<JSObject> object,
+ Register receiver,
+ Register scratch1,
+ Register scratch2,
+ Register scratch3,
+ Handle<JSObject> interceptor_holder,
+ LookupResult* lookup,
+ Handle<String> name,
+ const CallOptimization& optimization,
+ Label* miss_label) {
ASSERT(optimization.is_constant_call());
ASSERT(!lookup->holder()->IsGlobalObject());
-
Counters* counters = masm->isolate()->counters();
-
int depth1 = kInvalidProtoDepth;
int depth2 = kInvalidProtoDepth;
bool can_do_fast_api_call = false;
if (optimization.is_simple_api_call() &&
- !lookup->holder()->IsGlobalObject()) {
- depth1 =
- optimization.GetPrototypeDepthOfExpectedType(object,
- interceptor_holder);
+ !lookup->holder()->IsGlobalObject()) {
+ depth1 = optimization.GetPrototypeDepthOfExpectedType(
+ object, interceptor_holder);
if (depth1 == kInvalidProtoDepth) {
- depth2 =
- optimization.GetPrototypeDepthOfExpectedType(interceptor_holder,
- lookup->holder());
+ depth2 = optimization.GetPrototypeDepthOfExpectedType(
+ interceptor_holder, Handle<JSObject>(lookup->holder()));
}
- can_do_fast_api_call = (depth1 != kInvalidProtoDepth) ||
- (depth2 != kInvalidProtoDepth);
+ can_do_fast_api_call =
+ depth1 != kInvalidProtoDepth || depth2 != kInvalidProtoDepth;
}
__ IncrementCounter(counters->call_const_interceptor(), 1,
- scratch1, scratch2);
+ scratch1, scratch2);
if (can_do_fast_api_call) {
__ IncrementCounter(counters->call_const_interceptor_fast_api(), 1,
Label miss_cleanup;
Label* miss = can_do_fast_api_call ? &miss_cleanup : miss_label;
Register holder =
- stub_compiler_->CheckPrototypes(object, receiver,
- interceptor_holder, scratch1,
- scratch2, scratch3, name, depth1, miss);
+ stub_compiler_->CheckPrototypes(object, receiver, interceptor_holder,
+ scratch1, scratch2, scratch3,
+ name, depth1, miss);
// Invoke an interceptor and if it provides a value,
// branch to |regular_invoke|.
// Check that the maps from interceptor's holder to constant function's
// holder haven't changed and thus we can use cached constant function.
- if (interceptor_holder != lookup->holder()) {
+ if (*interceptor_holder != lookup->holder()) {
stub_compiler_->CheckPrototypes(interceptor_holder, receiver,
- lookup->holder(), scratch1,
- scratch2, scratch3, name, depth2, miss);
+ Handle<JSObject>(lookup->holder()),
+ scratch1, scratch2, scratch3,
+ name, depth2, miss);
} else {
// CheckPrototypes has a side effect of fetching a 'holder'
// for API (object which is instanceof for the signature). It's
// Invoke function.
if (can_do_fast_api_call) {
- MaybeObject* result = GenerateFastApiDirectCall(masm,
- optimization,
- arguments_.immediate());
- if (result->IsFailure()) return result;
+ GenerateFastApiDirectCall(masm, optimization, arguments_.immediate());
} else {
CallKind call_kind = CallICBase::Contextual::decode(extra_ic_state_)
? CALL_AS_FUNCTION
if (can_do_fast_api_call) {
FreeSpaceForFastApiCall(masm);
}
-
- return masm->isolate()->heap()->undefined_value();
}
void CompileRegular(MacroAssembler* masm,
- JSObject* object,
+ Handle<JSObject> object,
Register receiver,
Register scratch1,
Register scratch2,
Register scratch3,
- String* name,
- JSObject* interceptor_holder,
+ Handle<String> name,
+ Handle<JSObject> interceptor_holder,
Label* miss_label) {
Register holder =
stub_compiler_->CheckPrototypes(object, receiver, interceptor_holder,
- scratch1, scratch2, scratch3, name,
- miss_label);
+ scratch1, scratch2, scratch3,
+ name, miss_label);
// Call a runtime function to load the interceptor property.
FrameScope scope(masm, StackFrame::INTERNAL);
// Save the name_ register across the call.
__ push(name_);
- PushInterceptorArguments(masm,
- receiver,
- holder,
- name_,
- interceptor_holder);
+ PushInterceptorArguments(masm, receiver, holder, name_, interceptor_holder);
__ CallExternalReference(
ExternalReference(
IC_Utility(IC::kLoadPropertyWithInterceptorForCall),
masm->isolate()),
5);
-
// Restore the name_ register.
__ pop(name_);
-
// Leave the internal frame.
}
void LoadWithInterceptor(MacroAssembler* masm,
Register receiver,
Register holder,
- JSObject* holder_obj,
+ Handle<JSObject> holder_obj,
Register scratch,
Label* interceptor_succeeded) {
{
FrameScope scope(masm, StackFrame::INTERNAL);
__ Push(holder, name_);
-
CompileCallLoadPropertyWithInterceptor(masm,
receiver,
holder,
name_,
holder_obj);
-
__ pop(name_); // Restore the name.
__ pop(receiver); // Restore the holder.
}
-
// If interceptor returns no-result sentinel, call the constant function.
__ LoadRoot(scratch, Heap::kNoInterceptorResultSentinelRootIndex);
__ Branch(interceptor_succeeded, ne, v0, Operand(scratch));
}
-// TODO(kmillikin): Eliminate this function when the stub cache is fully
-// handlified.
-MUST_USE_RESULT static MaybeObject* TryGenerateCheckPropertyCell(
- MacroAssembler* masm,
- GlobalObject* global,
- String* name,
- Register scratch,
- Label* miss) {
- Object* probe;
- { MaybeObject* maybe_probe = global->EnsurePropertyCell(name);
- if (!maybe_probe->ToObject(&probe)) return maybe_probe;
- }
- JSGlobalPropertyCell* cell = JSGlobalPropertyCell::cast(probe);
- ASSERT(cell->value()->IsTheHole());
- __ li(scratch, Operand(Handle<Object>(cell)));
- __ lw(scratch,
- FieldMemOperand(scratch, JSGlobalPropertyCell::kValueOffset));
- __ LoadRoot(at, Heap::kTheHoleValueRootIndex);
- __ Branch(miss, ne, scratch, Operand(at));
- return cell;
-}
-
-
// Calls GenerateCheckPropertyCell for each global object in the prototype chain
// from object to (but not including) holder.
static void GenerateCheckPropertyCells(MacroAssembler* masm,
}
-// TODO(kmillikin): Eliminate this function when the stub cache is fully
-// handlified.
-MUST_USE_RESULT static MaybeObject* TryGenerateCheckPropertyCells(
- MacroAssembler* masm,
- JSObject* object,
- JSObject* holder,
- String* name,
- Register scratch,
- Label* miss) {
- JSObject* current = object;
- while (current != holder) {
- if (current->IsGlobalObject()) {
- // Returns a cell or a failure.
- MaybeObject* result = TryGenerateCheckPropertyCell(
- masm,
- GlobalObject::cast(current),
- name,
- scratch,
- miss);
- if (result->IsFailure()) return result;
- }
- ASSERT(current->IsJSObject());
- current = JSObject::cast(current->GetPrototype());
- }
- return NULL;
-}
-
-
// Convert and store int passed in register ival to IEEE 754 single precision
// floating point value at memory location (dst + 4 * wordoffset)
// If FPU is available use it for conversion.
}
-Register StubCompiler::CheckPrototypes(JSObject* object,
- Register object_reg,
- JSObject* holder,
- Register holder_reg,
- Register scratch1,
- Register scratch2,
- String* name,
- int save_at_depth,
- Label* miss) {
- // Make sure there's no overlap between holder and object registers.
- ASSERT(!scratch1.is(object_reg) && !scratch1.is(holder_reg));
- ASSERT(!scratch2.is(object_reg) && !scratch2.is(holder_reg)
- && !scratch2.is(scratch1));
-
- // Keep track of the current object in register reg.
- Register reg = object_reg;
- int depth = 0;
-
- if (save_at_depth == depth) {
- __ sw(reg, MemOperand(sp));
- }
-
- // Check the maps in the prototype chain.
- // Traverse the prototype chain from the object and do map checks.
- JSObject* current = object;
- while (current != holder) {
- depth++;
-
- // Only global objects and objects that do not require access
- // checks are allowed in stubs.
- ASSERT(current->IsJSGlobalProxy() || !current->IsAccessCheckNeeded());
-
- ASSERT(current->GetPrototype()->IsJSObject());
- JSObject* prototype = JSObject::cast(current->GetPrototype());
- if (!current->HasFastProperties() &&
- !current->IsJSGlobalObject() &&
- !current->IsJSGlobalProxy()) {
- if (!name->IsSymbol()) {
- MaybeObject* maybe_lookup_result = heap()->LookupSymbol(name);
- Object* lookup_result = NULL; // Initialization to please compiler.
- if (!maybe_lookup_result->ToObject(&lookup_result)) {
- set_failure(Failure::cast(maybe_lookup_result));
- return reg;
- }
- name = String::cast(lookup_result);
- }
- ASSERT(current->property_dictionary()->FindEntry(name) ==
- StringDictionary::kNotFound);
-
- MaybeObject* negative_lookup =
- TryGenerateDictionaryNegativeLookup(masm(),
- miss,
- reg,
- name,
- scratch1,
- scratch2);
-
- if (negative_lookup->IsFailure()) {
- set_failure(Failure::cast(negative_lookup));
- return reg;
- }
-
- __ lw(scratch1, FieldMemOperand(reg, HeapObject::kMapOffset));
- reg = holder_reg; // From now the object is in holder_reg.
- __ lw(reg, FieldMemOperand(scratch1, Map::kPrototypeOffset));
- } else if (heap()->InNewSpace(prototype)) {
- // Get the map of the current object.
- __ lw(scratch1, FieldMemOperand(reg, HeapObject::kMapOffset));
-
- // Branch on the result of the map check.
- __ Branch(miss, ne, scratch1, Operand(Handle<Map>(current->map())));
-
- // Check access rights to the global object. This has to happen
- // after the map check so that we know that the object is
- // actually a global object.
- if (current->IsJSGlobalProxy()) {
- __ CheckAccessGlobalProxy(reg, scratch1, miss);
- // Restore scratch register to be the map of the object. In the
- // new space case below, we load the prototype from the map in
- // the scratch register.
- __ lw(scratch1, FieldMemOperand(reg, HeapObject::kMapOffset));
- }
-
- reg = holder_reg; // From now the object is in holder_reg.
- // The prototype is in new space; we cannot store a reference
- // to it in the code. Load it from the map.
- __ lw(reg, FieldMemOperand(scratch1, Map::kPrototypeOffset));
- } else {
- // Check the map of the current object.
- __ lw(scratch1, FieldMemOperand(reg, HeapObject::kMapOffset));
- // Branch on the result of the map check.
- __ Branch(miss, ne, scratch1, Operand(Handle<Map>(current->map())));
- // Check access rights to the global object. This has to happen
- // after the map check so that we know that the object is
- // actually a global object.
- if (current->IsJSGlobalProxy()) {
- __ CheckAccessGlobalProxy(reg, scratch1, miss);
- }
- // The prototype is in old space; load it directly.
- reg = holder_reg; // From now the object is in holder_reg.
- __ li(reg, Operand(Handle<JSObject>(prototype)));
- }
-
- if (save_at_depth == depth) {
- __ sw(reg, MemOperand(sp));
- }
-
- // Go to the next object in the prototype chain.
- current = prototype;
- }
-
- // Check the holder map.
- __ lw(scratch1, FieldMemOperand(reg, HeapObject::kMapOffset));
- __ Branch(miss, ne, scratch1, Operand(Handle<Map>(current->map())));
-
- // Log the check depth.
- LOG(masm()->isolate(), IntEvent("check-maps-depth", depth + 1));
- // Perform security check for access to the global object.
- ASSERT(holder->IsJSGlobalProxy() || !holder->IsAccessCheckNeeded());
- if (holder->IsJSGlobalProxy()) {
- __ CheckAccessGlobalProxy(reg, scratch1, miss);
- }
-
- // If we've skipped any global objects, it's not enough to verify
- // that their maps haven't changed. We also need to check that the
- // property cell for the property is still empty.
-
- MaybeObject* result = TryGenerateCheckPropertyCells(masm(),
- object,
- holder,
- name,
- scratch1,
- miss);
- if (result->IsFailure()) set_failure(Failure::cast(result));
-
- // Return the register containing the holder.
- return reg;
-}
-
-
void StubCompiler::GenerateLoadField(Handle<JSObject> object,
Handle<JSObject> holder,
Register receiver,
}
-MaybeObject* StubCompiler::GenerateLoadCallback(JSObject* object,
- JSObject* holder,
- Register receiver,
- Register name_reg,
- Register scratch1,
- Register scratch2,
- Register scratch3,
- AccessorInfo* callback,
- String* name,
- Label* miss) {
+void StubCompiler::GenerateLoadCallback(Handle<JSObject> object,
+ Handle<JSObject> holder,
+ Register receiver,
+ Register name_reg,
+ Register scratch1,
+ Register scratch2,
+ Register scratch3,
+ Handle<AccessorInfo> callback,
+ Handle<String> name,
+ Label* miss) {
// Check that the receiver isn't a smi.
__ JumpIfSmi(receiver, miss, scratch1);
// Check that the maps haven't changed.
- Register reg =
- CheckPrototypes(object, receiver, holder, scratch1, scratch2, scratch3,
- name, miss);
+ Register reg = CheckPrototypes(object, receiver, holder, scratch1,
+ scratch2, scratch3, name, miss);
// Build AccessorInfo::args_ list on the stack and push property name below
// the exit frame to make GC aware of them and store pointers to them.
__ push(receiver);
__ mov(scratch2, sp); // scratch2 = AccessorInfo::args_
- Handle<AccessorInfo> callback_handle(callback);
- if (heap()->InNewSpace(callback_handle->data())) {
- __ li(scratch3, callback_handle);
+ if (heap()->InNewSpace(callback->data())) {
+ __ li(scratch3, callback);
__ lw(scratch3, FieldMemOperand(scratch3, AccessorInfo::kDataOffset));
} else {
- __ li(scratch3, Handle<Object>(callback_handle->data()));
+ __ li(scratch3, Handle<Object>(callback->data()));
}
__ Push(reg, scratch3, name_reg);
__ mov(a2, scratch2); // Saved in case scratch2 == a1.
__ mov(a1, sp); // a1 (first argument - see note below) = Handle<String>
- Address getter_address = v8::ToCData<Address>(callback->getter());
- ApiFunction fun(getter_address);
-
// NOTE: the O32 abi requires a0 to hold a special pointer when returning a
// struct from the function (which is currently the case). This means we pass
// the arguments in a1-a2 instead of a0-a1. TryCallApiFunctionAndReturn
// will handle setting up a0.
const int kApiStackSpace = 1;
-
FrameScope frame_scope(masm(), StackFrame::MANUAL);
__ EnterExitFrame(false, kApiStackSpace);
// a2 (second argument - see note above) = AccessorInfo&
__ Addu(a2, sp, kPointerSize);
- // Emitting a stub call may try to allocate (if the code is not
- // already generated). Do not allow the assembler to perform a
- // garbage collection but instead return the allocation failure
- // object.
+ const int kStackUnwindSpace = 4;
+ Address getter_address = v8::ToCData<Address>(callback->getter());
+ ApiFunction fun(getter_address);
ExternalReference ref =
ExternalReference(&fun,
ExternalReference::DIRECT_GETTER_CALL,
masm()->isolate());
- // 4 args - will be freed later by LeaveExitFrame.
- return masm()->TryCallApiFunctionAndReturn(ref, 4);
+ __ CallApiFunctionAndReturn(ref, kStackUnwindSpace);
}
-void StubCompiler::GenerateLoadInterceptor(JSObject* object,
- JSObject* interceptor_holder,
+void StubCompiler::GenerateLoadInterceptor(Handle<JSObject> object,
+ Handle<JSObject> interceptor_holder,
LookupResult* lookup,
Register receiver,
Register name_reg,
Register scratch1,
Register scratch2,
Register scratch3,
- String* name,
+ Handle<String> name,
Label* miss) {
ASSERT(interceptor_holder->HasNamedInterceptor());
ASSERT(!interceptor_holder->GetNamedInterceptor()->getter()->IsUndefined());
if (lookup->type() == FIELD) {
compile_followup_inline = true;
} else if (lookup->type() == CALLBACKS &&
- lookup->GetCallbackObject()->IsAccessorInfo() &&
- AccessorInfo::cast(lookup->GetCallbackObject())->getter() != NULL) {
- compile_followup_inline = true;
+ lookup->GetCallbackObject()->IsAccessorInfo()) {
+ compile_followup_inline =
+ AccessorInfo::cast(lookup->GetCallbackObject())->getter() != NULL;
}
}
// Requires a frame to make GC aware of pushed pointers.
{
FrameScope frame_scope(masm(), StackFrame::INTERNAL);
-
if (lookup->type() == CALLBACKS && !receiver.is(holder_reg)) {
// CALLBACKS case needs a receiver to be passed into C++ callback.
__ Push(receiver, holder_reg, name_reg);
} else {
__ Push(holder_reg, name_reg);
}
-
// Invoke an interceptor. Note: map checks from receiver to
// interceptor's holder has been compiled before (see a caller
// of this method).
holder_reg,
name_reg,
interceptor_holder);
-
// Check if interceptor provided a value for property. If it's
// the case, return immediately.
Label interceptor_failed;
if (lookup->type() == CALLBACKS && !receiver.is(holder_reg)) {
__ pop(receiver);
}
-
// Leave the internal frame.
}
-
// Check that the maps from interceptor's holder to lookup's holder
// haven't changed. And load lookup's holder into |holder| register.
- if (interceptor_holder != lookup->holder()) {
+ if (*interceptor_holder != lookup->holder()) {
holder_reg = CheckPrototypes(interceptor_holder,
holder_reg,
- lookup->holder(),
+ Handle<JSObject>(lookup->holder()),
scratch1,
scratch2,
scratch3,
// We found CALLBACKS property in prototype chain of interceptor's
// holder.
ASSERT(lookup->type() == CALLBACKS);
- ASSERT(lookup->GetCallbackObject()->IsAccessorInfo());
- AccessorInfo* callback = AccessorInfo::cast(lookup->GetCallbackObject());
- ASSERT(callback != NULL);
+ Handle<AccessorInfo> callback(
+ AccessorInfo::cast(lookup->GetCallbackObject()));
ASSERT(callback->getter() != NULL);
// Tail call to runtime.
// Important invariant in CALLBACKS case: the code above must be
// structured to never clobber |receiver| register.
- __ li(scratch2, Handle<AccessorInfo>(callback));
+ __ li(scratch2, callback);
// holder_reg is either receiver or scratch1.
if (!receiver.is(holder_reg)) {
ASSERT(scratch1.is(holder_reg));
}
-void CallStubCompiler::GenerateGlobalReceiverCheck(JSObject* object,
- JSObject* holder,
- String* name,
+void CallStubCompiler::GenerateGlobalReceiverCheck(Handle<JSObject> object,
+ Handle<JSObject> holder,
+ Handle<String> name,
Label* miss) {
ASSERT(holder->IsGlobalObject());
// If the object is the holder then we know that it's a global
// object which can only happen for contextual calls. In this case,
// the receiver cannot be a smi.
- if (object != holder) {
+ if (!object.is_identical_to(holder)) {
__ JumpIfSmi(a0, miss);
}
}
-void CallStubCompiler::GenerateLoadFunctionFromCell(JSGlobalPropertyCell* cell,
- JSFunction* function,
- Label* miss) {
+void CallStubCompiler::GenerateLoadFunctionFromCell(
+ Handle<JSGlobalPropertyCell> cell,
+ Handle<JSFunction> function,
+ Label* miss) {
// Get the value from the cell.
- __ li(a3, Operand(Handle<JSGlobalPropertyCell>(cell)));
+ __ li(a3, Operand(cell));
__ lw(a1, FieldMemOperand(a3, JSGlobalPropertyCell::kValueOffset));
// Check that the cell contains the same function.
- if (heap()->InNewSpace(function)) {
+ if (heap()->InNewSpace(*function)) {
// We can't embed a pointer to a function in new space so we have
// to verify that the shared function info is unchanged. This has
// the nice side effect that multiple closures based on the same
__ lw(t0, FieldMemOperand(a1, JSFunction::kSharedFunctionInfoOffset));
__ Branch(miss, ne, t0, Operand(a3));
} else {
- __ Branch(miss, ne, a1, Operand(Handle<JSFunction>(function)));
+ __ Branch(miss, ne, a1, Operand(function));
}
}
}
-// TODO(kmillikin): Eliminate this function when the stub cache is fully
-// handlified.
-MaybeObject* CallStubCompiler::TryGenerateMissBranch() {
- MaybeObject* maybe_obj =
- isolate()->stub_cache()->TryComputeCallMiss(arguments().immediate(),
- kind_,
- extra_state_);
- Object* obj;
- if (!maybe_obj->ToObject(&obj)) return maybe_obj;
- __ Jump(Handle<Code>(Code::cast(obj)), RelocInfo::CODE_TARGET);
- return obj;
-}
-
-
Handle<Code> CallStubCompiler::CompileCallField(Handle<JSObject> object,
Handle<JSObject> holder,
int index,
}
-MaybeObject* CallStubCompiler::CompileArrayPushCall(Object* object,
- JSObject* holder,
- JSGlobalPropertyCell* cell,
- JSFunction* function,
- String* name) {
+Handle<Code> CallStubCompiler::CompileArrayPushCall(
+ Handle<Object> object,
+ Handle<JSObject> holder,
+ Handle<JSGlobalPropertyCell> cell,
+ Handle<JSFunction> function,
+ Handle<String> name) {
// ----------- S t a t e -------------
// -- a2 : name
// -- ra : return address
// -----------------------------------
// If object is not an array, bail out to regular call.
- if (!object->IsJSArray() || cell != NULL) return heap()->undefined_value();
+ if (!object->IsJSArray() || !cell.is_null()) return Handle<Code>::null();
Label miss;
- GenerateNameCheck(Handle<String>(name), &miss);
+ GenerateNameCheck(name, &miss);
Register receiver = a1;
__ JumpIfSmi(receiver, &miss);
// Check that the maps haven't changed.
- CheckPrototypes(JSObject::cast(object), receiver,
- holder, a3, v0, t0, name, &miss);
+ CheckPrototypes(Handle<JSObject>::cast(object), receiver, holder, a3, v0, t0,
+ name, &miss);
if (argc == 0) {
// Nothing to do, just return the length.
__ Ret();
} else {
Label call_builtin;
-
Register elements = a3;
Register end_elements = t1;
-
// Get the elements array of the object.
__ lw(elements, FieldMemOperand(receiver, JSArray::kElementsOffset));
// Handle call cache miss.
__ bind(&miss);
- MaybeObject* maybe_result = TryGenerateMissBranch();
- if (maybe_result->IsFailure()) return maybe_result;
+ GenerateMissBranch();
// Return the generated code.
- return TryGetCode(function);
+ return GetCode(function);
}
-MaybeObject* CallStubCompiler::CompileArrayPopCall(Object* object,
- JSObject* holder,
- JSGlobalPropertyCell* cell,
- JSFunction* function,
- String* name) {
+Handle<Code> CallStubCompiler::CompileArrayPopCall(
+ Handle<Object> object,
+ Handle<JSObject> holder,
+ Handle<JSGlobalPropertyCell> cell,
+ Handle<JSFunction> function,
+ Handle<String> name) {
// ----------- S t a t e -------------
// -- a2 : name
// -- ra : return address
// -----------------------------------
// If object is not an array, bail out to regular call.
- if (!object->IsJSArray() || cell != NULL) return heap()->undefined_value();
+ if (!object->IsJSArray() || !cell.is_null()) return Handle<Code>::null();
Label miss, return_undefined, call_builtin;
-
Register receiver = a1;
Register elements = a3;
-
- GenerateNameCheck(Handle<String>(name), &miss);
+ GenerateNameCheck(name, &miss);
// Get the receiver from the stack.
const int argc = arguments().immediate();
__ lw(receiver, MemOperand(sp, argc * kPointerSize));
-
// Check that the receiver isn't a smi.
__ JumpIfSmi(receiver, &miss);
// Check that the maps haven't changed.
- CheckPrototypes(JSObject::cast(object),
- receiver, holder, elements, t0, v0, name, &miss);
+ CheckPrototypes(Handle<JSObject>::cast(object), receiver, holder, elements,
+ t0, v0, name, &miss);
// Get the elements array of the object.
__ lw(elements, FieldMemOperand(receiver, JSArray::kElementsOffset));
// Handle call cache miss.
__ bind(&miss);
- MaybeObject* maybe_result = TryGenerateMissBranch();
- if (maybe_result->IsFailure()) return maybe_result;
+ GenerateMissBranch();
// Return the generated code.
- return TryGetCode(function);
+ return GetCode(function);
}
-MaybeObject* CallStubCompiler::CompileStringCharCodeAtCall(
- Object* object,
- JSObject* holder,
- JSGlobalPropertyCell* cell,
- JSFunction* function,
- String* name) {
+Handle<Code> CallStubCompiler::CompileStringCharCodeAtCall(
+ Handle<Object> object,
+ Handle<JSObject> holder,
+ Handle<JSGlobalPropertyCell> cell,
+ Handle<JSFunction> function,
+ Handle<String> name) {
// ----------- S t a t e -------------
// -- a2 : function name
// -- ra : return address
// -----------------------------------
// If object is not a string, bail out to regular call.
- if (!object->IsString() || cell != NULL) return heap()->undefined_value();
+ if (!object->IsString() || !cell.is_null()) return Handle<Code>::null();
const int argc = arguments().immediate();
-
Label miss;
Label name_miss;
Label index_out_of_range;
index_out_of_range_label = &miss;
}
- GenerateNameCheck(Handle<String>(name), &name_miss);
+ GenerateNameCheck(name, &name_miss);
// Check that the maps starting from the prototype haven't changed.
GenerateDirectLoadGlobalFunctionPrototype(masm(),
Context::STRING_FUNCTION_INDEX,
v0,
&miss);
- ASSERT(object != holder);
- CheckPrototypes(JSObject::cast(object->GetPrototype()), v0, holder,
- a1, a3, t0, name, &miss);
+ ASSERT(!object.is_identical_to(holder));
+ CheckPrototypes(Handle<JSObject>(JSObject::cast(object->GetPrototype())),
+ v0, holder, a1, a3, t0, name, &miss);
Register receiver = a1;
Register index = t1;
__ LoadRoot(index, Heap::kUndefinedValueRootIndex);
}
- StringCharCodeAtGenerator char_code_at_generator(receiver,
- index,
- scratch,
- result,
- &miss, // When not a string.
- &miss, // When not a number.
- index_out_of_range_label,
- STRING_INDEX_IS_NUMBER);
- char_code_at_generator.GenerateFast(masm());
+ StringCharCodeAtGenerator generator(receiver,
+ index,
+ scratch,
+ result,
+ &miss, // When not a string.
+ &miss, // When not a number.
+ index_out_of_range_label,
+ STRING_INDEX_IS_NUMBER);
+ generator.GenerateFast(masm());
__ Drop(argc + 1);
__ Ret();
StubRuntimeCallHelper call_helper;
- char_code_at_generator.GenerateSlow(masm(), call_helper);
+ generator.GenerateSlow(masm(), call_helper);
if (index_out_of_range.is_linked()) {
__ bind(&index_out_of_range);
__ bind(&miss);
// Restore function name in a2.
- __ li(a2, Handle<String>(name));
+ __ li(a2, name);
__ bind(&name_miss);
- MaybeObject* maybe_result = TryGenerateMissBranch();
- if (maybe_result->IsFailure()) return maybe_result;
+ GenerateMissBranch();
// Return the generated code.
- return TryGetCode(function);
+ return GetCode(function);
}
-MaybeObject* CallStubCompiler::CompileStringCharAtCall(
- Object* object,
- JSObject* holder,
- JSGlobalPropertyCell* cell,
- JSFunction* function,
- String* name) {
+Handle<Code> CallStubCompiler::CompileStringCharAtCall(
+ Handle<Object> object,
+ Handle<JSObject> holder,
+ Handle<JSGlobalPropertyCell> cell,
+ Handle<JSFunction> function,
+ Handle<String> name) {
// ----------- S t a t e -------------
// -- a2 : function name
// -- ra : return address
// -----------------------------------
// If object is not a string, bail out to regular call.
- if (!object->IsString() || cell != NULL) return heap()->undefined_value();
+ if (!object->IsString() || !cell.is_null()) return Handle<Code>::null();
const int argc = arguments().immediate();
-
Label miss;
Label name_miss;
Label index_out_of_range;
Label* index_out_of_range_label = &index_out_of_range;
-
if (kind_ == Code::CALL_IC &&
(CallICBase::StringStubState::decode(extra_state_) ==
DEFAULT_STRING_STUB)) {
index_out_of_range_label = &miss;
}
-
- GenerateNameCheck(Handle<String>(name), &name_miss);
+ GenerateNameCheck(name, &name_miss);
// Check that the maps starting from the prototype haven't changed.
GenerateDirectLoadGlobalFunctionPrototype(masm(),
Context::STRING_FUNCTION_INDEX,
v0,
&miss);
- ASSERT(object != holder);
- CheckPrototypes(JSObject::cast(object->GetPrototype()), v0, holder,
- a1, a3, t0, name, &miss);
+ ASSERT(!object.is_identical_to(holder));
+ CheckPrototypes(Handle<JSObject>(JSObject::cast(object->GetPrototype())),
+ v0, holder, a1, a3, t0, name, &miss);
Register receiver = v0;
Register index = t1;
__ LoadRoot(index, Heap::kUndefinedValueRootIndex);
}
- StringCharAtGenerator char_at_generator(receiver,
- index,
- scratch1,
- scratch2,
- result,
- &miss, // When not a string.
- &miss, // When not a number.
- index_out_of_range_label,
- STRING_INDEX_IS_NUMBER);
- char_at_generator.GenerateFast(masm());
+ StringCharAtGenerator generator(receiver,
+ index,
+ scratch1,
+ scratch2,
+ result,
+ &miss, // When not a string.
+ &miss, // When not a number.
+ index_out_of_range_label,
+ STRING_INDEX_IS_NUMBER);
+ generator.GenerateFast(masm());
__ Drop(argc + 1);
__ Ret();
StubRuntimeCallHelper call_helper;
- char_at_generator.GenerateSlow(masm(), call_helper);
+ generator.GenerateSlow(masm(), call_helper);
if (index_out_of_range.is_linked()) {
__ bind(&index_out_of_range);
__ bind(&miss);
// Restore function name in a2.
- __ li(a2, Handle<String>(name));
+ __ li(a2, name);
__ bind(&name_miss);
- MaybeObject* maybe_result = TryGenerateMissBranch();
- if (maybe_result->IsFailure()) return maybe_result;
+ GenerateMissBranch();
// Return the generated code.
- return TryGetCode(function);
+ return GetCode(function);
}
-MaybeObject* CallStubCompiler::CompileStringFromCharCodeCall(
- Object* object,
- JSObject* holder,
- JSGlobalPropertyCell* cell,
- JSFunction* function,
- String* name) {
+Handle<Code> CallStubCompiler::CompileStringFromCharCodeCall(
+ Handle<Object> object,
+ Handle<JSObject> holder,
+ Handle<JSGlobalPropertyCell> cell,
+ Handle<JSFunction> function,
+ Handle<String> name) {
// ----------- S t a t e -------------
// -- a2 : function name
// -- ra : return address
// If the object is not a JSObject or we got an unexpected number of
// arguments, bail out to the regular call.
- if (!object->IsJSObject() || argc != 1) return heap()->undefined_value();
+ if (!object->IsJSObject() || argc != 1) return Handle<Code>::null();
Label miss;
- GenerateNameCheck(Handle<String>(name), &miss);
+ GenerateNameCheck(name, &miss);
- if (cell == NULL) {
+ if (cell.is_null()) {
__ lw(a1, MemOperand(sp, 1 * kPointerSize));
STATIC_ASSERT(kSmiTag == 0);
__ JumpIfSmi(a1, &miss);
- CheckPrototypes(JSObject::cast(object), a1, holder, v0, a3, t0, name,
- &miss);
+ CheckPrototypes(Handle<JSObject>::cast(object), a1, holder, v0, a3, t0,
+ name, &miss);
} else {
- ASSERT(cell->value() == function);
- GenerateGlobalReceiverCheck(JSObject::cast(object), holder, name, &miss);
+ ASSERT(cell->value() == *function);
+ GenerateGlobalReceiverCheck(Handle<JSObject>::cast(object), holder, name,
+ &miss);
GenerateLoadFunctionFromCell(cell, function, &miss);
}
// Convert the smi code to uint16.
__ And(code, code, Operand(Smi::FromInt(0xffff)));
- StringCharFromCodeGenerator char_from_code_generator(code, v0);
- char_from_code_generator.GenerateFast(masm());
+ StringCharFromCodeGenerator generator(code, v0);
+ generator.GenerateFast(masm());
__ Drop(argc + 1);
__ Ret();
StubRuntimeCallHelper call_helper;
- char_from_code_generator.GenerateSlow(masm(), call_helper);
+ generator.GenerateSlow(masm(), call_helper);
// Tail call the full function. We do not have to patch the receiver
// because the function makes no use of it.
__ bind(&miss);
// a2: function name.
- MaybeObject* maybe_result = TryGenerateMissBranch();
- if (maybe_result->IsFailure()) return maybe_result;
+ GenerateMissBranch();
// Return the generated code.
- return (cell == NULL) ? TryGetCode(function) : TryGetCode(NORMAL, name);
+ return cell.is_null() ? GetCode(function) : GetCode(NORMAL, name);
}
-MaybeObject* CallStubCompiler::CompileMathFloorCall(Object* object,
- JSObject* holder,
- JSGlobalPropertyCell* cell,
- JSFunction* function,
- String* name) {
+Handle<Code> CallStubCompiler::CompileMathFloorCall(
+ Handle<Object> object,
+ Handle<JSObject> holder,
+ Handle<JSGlobalPropertyCell> cell,
+ Handle<JSFunction> function,
+ Handle<String> name) {
// ----------- S t a t e -------------
// -- a2 : function name
// -- ra : return address
// -- sp[argc * 4] : receiver
// -----------------------------------
- if (!CpuFeatures::IsSupported(FPU))
- return heap()->undefined_value();
- CpuFeatures::Scope scope_fpu(FPU);
+ if (!CpuFeatures::IsSupported(FPU)) {
+ return Handle<Code>::null();
+ }
+ CpuFeatures::Scope scope_fpu(FPU);
const int argc = arguments().immediate();
-
// If the object is not a JSObject or we got an unexpected number of
// arguments, bail out to the regular call.
- if (!object->IsJSObject() || argc != 1) return heap()->undefined_value();
+ if (!object->IsJSObject() || argc != 1) return Handle<Code>::null();
Label miss, slow;
- GenerateNameCheck(Handle<String>(name), &miss);
+ GenerateNameCheck(name, &miss);
- if (cell == NULL) {
+ if (cell.is_null()) {
__ lw(a1, MemOperand(sp, 1 * kPointerSize));
-
STATIC_ASSERT(kSmiTag == 0);
__ JumpIfSmi(a1, &miss);
-
- CheckPrototypes(JSObject::cast(object), a1, holder, a0, a3, t0, name,
- &miss);
+ CheckPrototypes(Handle<JSObject>::cast(object), a1, holder, a0, a3, t0,
+ name, &miss);
} else {
- ASSERT(cell->value() == function);
- GenerateGlobalReceiverCheck(JSObject::cast(object), holder, name, &miss);
+ ASSERT(cell->value() == *function);
+ GenerateGlobalReceiverCheck(Handle<JSObject>::cast(object), holder, name,
+ &miss);
GenerateLoadFunctionFromCell(cell, function, &miss);
}
__ bind(&miss);
// a2: function name.
- MaybeObject* obj = TryGenerateMissBranch();
- if (obj->IsFailure()) return obj;
+ GenerateMissBranch();
// Return the generated code.
- return (cell == NULL) ? TryGetCode(function) : TryGetCode(NORMAL, name);
+ return cell.is_null() ? GetCode(function) : GetCode(NORMAL, name);
}
-MaybeObject* CallStubCompiler::CompileMathAbsCall(Object* object,
- JSObject* holder,
- JSGlobalPropertyCell* cell,
- JSFunction* function,
- String* name) {
+Handle<Code> CallStubCompiler::CompileMathAbsCall(
+ Handle<Object> object,
+ Handle<JSObject> holder,
+ Handle<JSGlobalPropertyCell> cell,
+ Handle<JSFunction> function,
+ Handle<String> name) {
// ----------- S t a t e -------------
// -- a2 : function name
// -- ra : return address
// -----------------------------------
const int argc = arguments().immediate();
-
// If the object is not a JSObject or we got an unexpected number of
// arguments, bail out to the regular call.
- if (!object->IsJSObject() || argc != 1) return heap()->undefined_value();
+ if (!object->IsJSObject() || argc != 1) return Handle<Code>::null();
Label miss;
- GenerateNameCheck(Handle<String>(name), &miss);
- if (cell == NULL) {
+ GenerateNameCheck(name, &miss);
+ if (cell.is_null()) {
__ lw(a1, MemOperand(sp, 1 * kPointerSize));
-
STATIC_ASSERT(kSmiTag == 0);
__ JumpIfSmi(a1, &miss);
-
- CheckPrototypes(JSObject::cast(object), a1, holder, v0, a3, t0, name,
- &miss);
+ CheckPrototypes(Handle<JSObject>::cast(object), a1, holder, v0, a3, t0,
+ name, &miss);
} else {
- ASSERT(cell->value() == function);
- GenerateGlobalReceiverCheck(JSObject::cast(object), holder, name, &miss);
+ ASSERT(cell->value() == *function);
+ GenerateGlobalReceiverCheck(Handle<JSObject>::cast(object), holder, name,
+ &miss);
GenerateLoadFunctionFromCell(cell, function, &miss);
}
__ bind(&miss);
// a2: function name.
- MaybeObject* maybe_result = TryGenerateMissBranch();
- if (maybe_result->IsFailure()) return maybe_result;
+ GenerateMissBranch();
// Return the generated code.
- return (cell == NULL) ? TryGetCode(function) : TryGetCode(NORMAL, name);
+ return cell.is_null() ? GetCode(function) : GetCode(NORMAL, name);
}
-MaybeObject* CallStubCompiler::CompileFastApiCall(
+Handle<Code> CallStubCompiler::CompileFastApiCall(
const CallOptimization& optimization,
- Object* object,
- JSObject* holder,
- JSGlobalPropertyCell* cell,
- JSFunction* function,
- String* name) {
+ Handle<Object> object,
+ Handle<JSObject> holder,
+ Handle<JSGlobalPropertyCell> cell,
+ Handle<JSFunction> function,
+ Handle<String> name) {
Counters* counters = isolate()->counters();
ASSERT(optimization.is_simple_api_call());
// Bail out if object is a global object as we don't want to
// repatch it to global receiver.
- if (object->IsGlobalObject()) return heap()->undefined_value();
- if (cell != NULL) return heap()->undefined_value();
- if (!object->IsJSObject()) return heap()->undefined_value();
+ if (object->IsGlobalObject()) return Handle<Code>::null();
+ if (!cell.is_null()) return Handle<Code>::null();
+ if (!object->IsJSObject()) return Handle<Code>::null();
int depth = optimization.GetPrototypeDepthOfExpectedType(
- JSObject::cast(object), holder);
- if (depth == kInvalidProtoDepth) return heap()->undefined_value();
+ Handle<JSObject>::cast(object), holder);
+ if (depth == kInvalidProtoDepth) return Handle<Code>::null();
Label miss, miss_before_stack_reserved;
- GenerateNameCheck(Handle<String>(name), &miss_before_stack_reserved);
+ GenerateNameCheck(name, &miss_before_stack_reserved);
// Get the receiver from the stack.
const int argc = arguments().immediate();
ReserveSpaceForFastApiCall(masm(), a0);
// Check that the maps haven't changed and find a Holder as a side effect.
- CheckPrototypes(JSObject::cast(object), a1, holder, a0, a3, t0, name,
+ CheckPrototypes(Handle<JSObject>::cast(object), a1, holder, a0, a3, t0, name,
depth, &miss);
- MaybeObject* result = GenerateFastApiDirectCall(masm(), optimization, argc);
- if (result->IsFailure()) return result;
+ GenerateFastApiDirectCall(masm(), optimization, argc);
__ bind(&miss);
FreeSpaceForFastApiCall(masm());
__ bind(&miss_before_stack_reserved);
- MaybeObject* maybe_result = TryGenerateMissBranch();
- if (maybe_result->IsFailure()) return maybe_result;
+ GenerateMissBranch();
// Return the generated code.
- return TryGetCode(function);
+ return GetCode(function);
}
-MaybeObject* CallStubCompiler::CompileCallConstant(Object* object,
- JSObject* holder,
- JSFunction* function,
- String* name,
+Handle<Code> CallStubCompiler::CompileCallConstant(Handle<Object> object,
+ Handle<JSObject> holder,
+ Handle<JSFunction> function,
+ Handle<String> name,
CheckType check) {
// ----------- S t a t e -------------
// -- a2 : name
// -- ra : return address
// -----------------------------------
if (HasCustomCallGenerator(function)) {
- MaybeObject* maybe_result = CompileCustomCall(
- object, holder, NULL, function, name);
- Object* result;
- if (!maybe_result->ToObject(&result)) return maybe_result;
- // Undefined means bail out to regular compiler.
- if (!result->IsUndefined()) return result;
+ Handle<Code> code = CompileCustomCall(object, holder,
+ Handle<JSGlobalPropertyCell>::null(),
+ function, name);
+ // A null handle means bail out to the regular compiler code below.
+ if (!code.is_null()) return code;
}
Label miss;
- GenerateNameCheck(Handle<String>(name), &miss);
+ GenerateNameCheck(name, &miss);
// Get the receiver from the stack.
const int argc = arguments().immediate();
// Make sure that it's okay not to patch the on stack receiver
// unless we're doing a receiver map check.
ASSERT(!object->IsGlobalObject() || check == RECEIVER_MAP_CHECK);
-
- SharedFunctionInfo* function_info = function->shared();
switch (check) {
case RECEIVER_MAP_CHECK:
__ IncrementCounter(masm()->isolate()->counters()->call_const(),
1, a0, a3);
// Check that the maps haven't changed.
- CheckPrototypes(JSObject::cast(object), a1, holder, a0, a3, t0, name,
- &miss);
+ CheckPrototypes(Handle<JSObject>::cast(object), a1, holder, a0, a3, t0,
+ name, &miss);
// Patch the receiver on the stack with the global proxy if
// necessary.
break;
case STRING_CHECK:
- if (!function->IsBuiltin() && !function_info->strict_mode()) {
- // Calling non-strict non-builtins with a value as the receiver
- // requires boxing.
- __ jmp(&miss);
- } else {
+ if (function->IsBuiltin() || function->shared()->strict_mode()) {
// Check that the object is a two-byte string or a symbol.
__ GetObjectType(a1, a3, a3);
__ Branch(&miss, Ugreater_equal, a3, Operand(FIRST_NONSTRING_TYPE));
// Check that the maps starting from the prototype haven't changed.
GenerateDirectLoadGlobalFunctionPrototype(
masm(), Context::STRING_FUNCTION_INDEX, a0, &miss);
- CheckPrototypes(JSObject::cast(object->GetPrototype()), a0, holder, a3,
- a1, t0, name, &miss);
- }
- break;
-
- case NUMBER_CHECK: {
- if (!function->IsBuiltin() && !function_info->strict_mode()) {
+ CheckPrototypes(
+ Handle<JSObject>(JSObject::cast(object->GetPrototype())),
+ a0, holder, a3, a1, t0, name, &miss);
+ } else {
// Calling non-strict non-builtins with a value as the receiver
// requires boxing.
__ jmp(&miss);
- } else {
+ }
+ break;
+
+ case NUMBER_CHECK:
+ if (function->IsBuiltin() || function->shared()->strict_mode()) {
Label fast;
// Check that the object is a smi or a heap number.
__ And(t1, a1, Operand(kSmiTagMask));
// Check that the maps starting from the prototype haven't changed.
GenerateDirectLoadGlobalFunctionPrototype(
masm(), Context::NUMBER_FUNCTION_INDEX, a0, &miss);
- CheckPrototypes(JSObject::cast(object->GetPrototype()), a0, holder, a3,
- a1, t0, name, &miss);
- }
- break;
- }
-
- case BOOLEAN_CHECK: {
- if (!function->IsBuiltin() && !function_info->strict_mode()) {
+ CheckPrototypes(
+ Handle<JSObject>(JSObject::cast(object->GetPrototype())),
+ a0, holder, a3, a1, t0, name, &miss);
+ } else {
// Calling non-strict non-builtins with a value as the receiver
// requires boxing.
__ jmp(&miss);
- } else {
+ }
+ break;
+
+ case BOOLEAN_CHECK:
+ if (function->IsBuiltin() || function->shared()->strict_mode()) {
Label fast;
// Check that the object is a boolean.
__ LoadRoot(t0, Heap::kTrueValueRootIndex);
// Check that the maps starting from the prototype haven't changed.
GenerateDirectLoadGlobalFunctionPrototype(
masm(), Context::BOOLEAN_FUNCTION_INDEX, a0, &miss);
- CheckPrototypes(JSObject::cast(object->GetPrototype()), a0, holder, a3,
- a1, t0, name, &miss);
+ CheckPrototypes(
+ Handle<JSObject>(JSObject::cast(object->GetPrototype())),
+ a0, holder, a3, a1, t0, name, &miss);
+ } else {
+ // Calling non-strict non-builtins with a value as the receiver
+ // requires boxing.
+ __ jmp(&miss);
}
break;
}
- default:
- UNREACHABLE();
- }
-
CallKind call_kind = CallICBase::Contextual::decode(extra_state_)
? CALL_AS_FUNCTION
: CALL_AS_METHOD;
// Handle call cache miss.
__ bind(&miss);
- MaybeObject* maybe_result = TryGenerateMissBranch();
- if (maybe_result->IsFailure()) return maybe_result;
+ GenerateMissBranch();
// Return the generated code.
- return TryGetCode(function);
+ return GetCode(function);
}
-MaybeObject* CallStubCompiler::CompileCallInterceptor(JSObject* object,
- JSObject* holder,
- String* name) {
+Handle<Code> CallStubCompiler::CompileCallInterceptor(Handle<JSObject> object,
+ Handle<JSObject> holder,
+ Handle<String> name) {
// ----------- S t a t e -------------
// -- a2 : name
// -- ra : return address
Label miss;
- GenerateNameCheck(Handle<String>(name), &miss);
+ GenerateNameCheck(name, &miss);
// Get the number of arguments.
const int argc = arguments().immediate();
-
LookupResult lookup(isolate());
LookupPostInterceptor(holder, name, &lookup);
__ lw(a1, MemOperand(sp, argc * kPointerSize));
CallInterceptorCompiler compiler(this, arguments(), a2, extra_state_);
- MaybeObject* result = compiler.Compile(masm(),
- object,
- holder,
- name,
- &lookup,
- a1,
- a3,
- t0,
- a0,
- &miss);
- if (result->IsFailure()) {
- return result;
- }
+ compiler.Compile(masm(), object, holder, name, &lookup, a1, a3, t0, a0,
+ &miss);
// Move returned value, the function to call, to a1.
__ mov(a1, v0);
// Restore receiver.
__ lw(a0, MemOperand(sp, argc * kPointerSize));
- GenerateCallFunction(masm(), Handle<Object>(object), arguments(), &miss,
- extra_state_);
+ GenerateCallFunction(masm(), object, arguments(), &miss, extra_state_);
// Handle call cache miss.
__ bind(&miss);
- MaybeObject* maybe_result = TryGenerateMissBranch();
- if (maybe_result->IsFailure()) return maybe_result;
+ GenerateMissBranch();
// Return the generated code.
- return TryGetCode(INTERCEPTOR, name);
+ return GetCode(INTERCEPTOR, name);
}
-MaybeObject* CallStubCompiler::CompileCallGlobal(JSObject* object,
- GlobalObject* holder,
- JSGlobalPropertyCell* cell,
- JSFunction* function,
- String* name) {
+Handle<Code> CallStubCompiler::CompileCallGlobal(
+ Handle<JSObject> object,
+ Handle<GlobalObject> holder,
+ Handle<JSGlobalPropertyCell> cell,
+ Handle<JSFunction> function,
+ Handle<String> name) {
// ----------- S t a t e -------------
// -- a2 : name
// -- ra : return address
// -----------------------------------
if (HasCustomCallGenerator(function)) {
- MaybeObject* maybe_result = CompileCustomCall(
- object, holder, cell, function, name);
- Object* result;
- if (!maybe_result->ToObject(&result)) return maybe_result;
- // Undefined means bail out to regular compiler.
- if (!result->IsUndefined()) return result;
+ Handle<Code> code = CompileCustomCall(object, holder, cell, function, name);
+ // A null handle means bail out to the regular compiler code below.
+ if (!code.is_null()) return code;
}
Label miss;
-
- GenerateNameCheck(Handle<String>(name), &miss);
+ GenerateNameCheck(name, &miss);
// Get the number of arguments.
const int argc = arguments().immediate();
-
GenerateGlobalReceiverCheck(object, holder, name, &miss);
GenerateLoadFunctionFromCell(cell, function, &miss);
// Jump to the cached code (tail call).
Counters* counters = masm()->isolate()->counters();
__ IncrementCounter(counters->call_global_inline(), 1, a3, t0);
- Handle<Code> code(function->code());
ParameterCount expected(function->shared()->formal_parameter_count());
CallKind call_kind = CallICBase::Contextual::decode(extra_state_)
? CALL_AS_FUNCTION
// Handle call cache miss.
__ bind(&miss);
__ IncrementCounter(counters->call_global_inline_miss(), 1, a1, a3);
- MaybeObject* maybe_result = TryGenerateMissBranch();
- if (maybe_result->IsFailure()) return maybe_result;
+ GenerateMissBranch();
// Return the generated code.
- return TryGetCode(NORMAL, name);
+ return GetCode(NORMAL, name);
}
}
-MaybeObject* LoadStubCompiler::CompileLoadCallback(String* name,
- JSObject* object,
- JSObject* holder,
- AccessorInfo* callback) {
+Handle<Code> LoadStubCompiler::CompileLoadCallback(
+ Handle<String> name,
+ Handle<JSObject> object,
+ Handle<JSObject> holder,
+ Handle<AccessorInfo> callback) {
// ----------- S t a t e -------------
// -- a0 : receiver
// -- a2 : name
// -- ra : return address
// -----------------------------------
Label miss;
-
- MaybeObject* result = GenerateLoadCallback(object, holder, a0, a2, a3, a1, t0,
- callback, name, &miss);
- if (result->IsFailure()) {
- miss.Unuse();
- return result;
- }
-
+ GenerateLoadCallback(object, holder, a0, a2, a3, a1, t0, callback, name,
+ &miss);
__ bind(&miss);
GenerateLoadMiss(masm(), Code::LOAD_IC);
// Return the generated code.
- return TryGetCode(CALLBACKS, name);
+ return GetCode(CALLBACKS, name);
}
}
-MaybeObject* LoadStubCompiler::CompileLoadInterceptor(JSObject* object,
- JSObject* holder,
- String* name) {
+Handle<Code> LoadStubCompiler::CompileLoadInterceptor(Handle<JSObject> object,
+ Handle<JSObject> holder,
+ Handle<String> name) {
// ----------- S t a t e -------------
// -- a0 : receiver
// -- a2 : name
LookupResult lookup(isolate());
LookupPostInterceptor(holder, name, &lookup);
- GenerateLoadInterceptor(object,
- holder,
- &lookup,
- a0,
- a2,
- a3,
- a1,
- t0,
- name,
+ GenerateLoadInterceptor(object, holder, &lookup, a0, a2, a3, a1, t0, name,
&miss);
__ bind(&miss);
GenerateLoadMiss(masm(), Code::LOAD_IC);
// Return the generated code.
- return TryGetCode(INTERCEPTOR, name);
+ return GetCode(INTERCEPTOR, name);
}
}
-MaybeObject* KeyedLoadStubCompiler::CompileLoadCallback(
- String* name,
- JSObject* receiver,
- JSObject* holder,
- AccessorInfo* callback) {
+Handle<Code> KeyedLoadStubCompiler::CompileLoadCallback(
+ Handle<String> name,
+ Handle<JSObject> receiver,
+ Handle<JSObject> holder,
+ Handle<AccessorInfo> callback) {
// ----------- S t a t e -------------
// -- ra : return address
// -- a0 : key
Label miss;
// Check the key is the cached one.
- __ Branch(&miss, ne, a0, Operand(Handle<String>(name)));
-
- MaybeObject* result = GenerateLoadCallback(receiver, holder, a1, a0, a2, a3,
- t0, callback, name, &miss);
- if (result->IsFailure()) {
- miss.Unuse();
- return result;
- }
+ __ Branch(&miss, ne, a0, Operand(name));
+ GenerateLoadCallback(receiver, holder, a1, a0, a2, a3, t0, callback, name,
+ &miss);
__ bind(&miss);
GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
- return TryGetCode(CALLBACKS, name);
+ return GetCode(CALLBACKS, name);
}
}
-MaybeObject* KeyedLoadStubCompiler::CompileLoadInterceptor(JSObject* receiver,
- JSObject* holder,
- String* name) {
+Handle<Code> KeyedLoadStubCompiler::CompileLoadInterceptor(
+ Handle<JSObject> receiver,
+ Handle<JSObject> holder,
+ Handle<String> name) {
// ----------- S t a t e -------------
// -- ra : return address
// -- a0 : key
Label miss;
// Check the key is the cached one.
- __ Branch(&miss, ne, a0, Operand(Handle<String>(name)));
+ __ Branch(&miss, ne, a0, Operand(name));
LookupResult lookup(isolate());
LookupPostInterceptor(holder, name, &lookup);
- GenerateLoadInterceptor(receiver,
- holder,
- &lookup,
- a1,
- a0,
- a2,
- a3,
- t0,
- name,
+ GenerateLoadInterceptor(receiver, holder, &lookup, a1, a0, a2, a3, t0, name,
&miss);
__ bind(&miss);
GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
- return TryGetCode(INTERCEPTOR, name);
+ return GetCode(INTERCEPTOR, name);
}
}
-MaybeObject* ConstructStubCompiler::CompileConstructStub(JSFunction* function) {
+Handle<Code> ConstructStubCompiler::CompileConstructStub(
+ Handle<JSFunction> function) {
// a0 : argc
// a1 : constructor
// ra : return address
// a2: initial map
// t7: undefined
__ lbu(a3, FieldMemOperand(a2, Map::kInstanceSizeOffset));
- __ AllocateInNewSpace(a3,
- t4,
- t5,
- t6,
- &generic_stub_call,
- SIZE_IN_WORDS);
+ __ AllocateInNewSpace(a3, t4, t5, t6, &generic_stub_call, SIZE_IN_WORDS);
// Allocated the JSObject, now initialize the fields. Map is set to initial
// map and properties and elements are set to empty fixed array.
// t7: undefined
// Fill the initialized properties with a constant value or a passed argument
// depending on the this.x = ...; assignment in the function.
- SharedFunctionInfo* shared = function->shared();
+ Handle<SharedFunctionInfo> shared(function->shared());
for (int i = 0; i < shared->this_property_assignments_count(); i++) {
if (shared->IsThisPropertyAssignmentArgument(i)) {
Label not_passed, next;
__ TailCallRuntime(Runtime::kKeyedGetProperty, 2, 1);
__ bind(&miss_force_generic);
- Code* stub = masm->isolate()->builtins()->builtin(
- Builtins::kKeyedLoadIC_MissForceGeneric);
- __ Jump(Handle<Code>(stub), RelocInfo::CODE_TARGET);
+ Handle<Code> stub =
+ masm->isolate()->builtins()->KeyedLoadIC_MissForceGeneric();
+ __ Jump(stub, RelocInfo::CODE_TARGET);
}
__ Ret();
__ bind(&miss_force_generic);
- Code* stub = masm->isolate()->builtins()->builtin(
- Builtins::kKeyedLoadIC_MissForceGeneric);
- __ Jump(Handle<Code>(stub), RelocInfo::CODE_TARGET);
+ Handle<Code> stub =
+ masm->isolate()->builtins()->KeyedLoadIC_MissForceGeneric();
+ __ Jump(stub, RelocInfo::CODE_TARGET);
}
projects / platform / upstream / v8.git / commitdiff