Upgrade V8 to version 4.9.385.28
https://chromium.googlesource.com/v8/v8/+/4.9.385.28
FPIIM-449
Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/src/x64/builtins-x64.cc b/src/x64/builtins-x64.cc
index ef3df65..cb092f2 100644
--- a/src/x64/builtins-x64.cc
+++ b/src/x64/builtins-x64.cc
@@ -2,14 +2,12 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-#include "src/v8.h"
-
#if V8_TARGET_ARCH_X64
#include "src/code-factory.h"
#include "src/codegen.h"
#include "src/deoptimizer.h"
-#include "src/full-codegen.h"
+#include "src/full-codegen/full-codegen.h"
namespace v8 {
namespace internal {
@@ -23,44 +21,62 @@
BuiltinExtraArguments extra_args) {
// ----------- S t a t e -------------
// -- rax : number of arguments excluding receiver
- // -- rdi : called function (only guaranteed when
- // extra_args requires it)
- // -- rsi : context
+ // -- rdi : target
+ // -- rdx : new.target
// -- rsp[0] : return address
// -- rsp[8] : last argument
// -- ...
- // -- rsp[8 * argc] : first argument (argc == rax)
+ // -- rsp[8 * argc] : first argument
// -- rsp[8 * (argc + 1)] : receiver
// -----------------------------------
+ __ AssertFunction(rdi);
+
+ // Make sure we operate in the context of the called function (for example
+ // ConstructStubs implemented in C++ will be run in the context of the caller
+ // instead of the callee, due to the way that [[Construct]] is defined for
+ // ordinary functions).
+ __ movp(rsi, FieldOperand(rdi, JSFunction::kContextOffset));
// Insert extra arguments.
int num_extra_args = 0;
- if (extra_args == NEEDS_CALLED_FUNCTION) {
- num_extra_args = 1;
+ if (extra_args != BuiltinExtraArguments::kNone) {
__ PopReturnAddressTo(kScratchRegister);
- __ Push(rdi);
+ if (extra_args & BuiltinExtraArguments::kTarget) {
+ ++num_extra_args;
+ __ Push(rdi);
+ }
+ if (extra_args & BuiltinExtraArguments::kNewTarget) {
+ ++num_extra_args;
+ __ Push(rdx);
+ }
__ PushReturnAddressFrom(kScratchRegister);
- } else {
- DCHECK(extra_args == NO_EXTRA_ARGUMENTS);
}
// JumpToExternalReference expects rax to contain the number of arguments
// including the receiver and the extra arguments.
__ addp(rax, Immediate(num_extra_args + 1));
- __ JumpToExternalReference(ExternalReference(id, masm->isolate()), 1);
+
+ __ JumpToExternalReference(ExternalReference(id, masm->isolate()));
}
static void CallRuntimePassFunction(
MacroAssembler* masm, Runtime::FunctionId function_id) {
+ // ----------- S t a t e -------------
+ // -- rdx : new target (preserved for callee)
+ // -- rdi : target function (preserved for callee)
+ // -----------------------------------
+
FrameScope scope(masm, StackFrame::INTERNAL);
- // Push a copy of the function onto the stack.
+ // Push a copy of the target function and the new target.
__ Push(rdi);
+ __ Push(rdx);
// Function is also the parameter to the runtime call.
__ Push(rdi);
__ CallRuntime(function_id, 1);
- // Restore receiver.
+ // Restore target function and new target.
+ __ Pop(rdx);
__ Pop(rdi);
}
@@ -101,305 +117,182 @@
static void Generate_JSConstructStubHelper(MacroAssembler* masm,
bool is_api_function,
- bool create_memento) {
+ bool create_implicit_receiver) {
// ----------- S t a t e -------------
// -- rax: number of arguments
// -- rdi: constructor function
// -- rbx: allocation site or undefined
+ // -- rdx: new target
// -----------------------------------
- // Should never create mementos for api functions.
- DCHECK(!is_api_function || !create_memento);
-
// Enter a construct frame.
{
FrameScope scope(masm, StackFrame::CONSTRUCT);
- if (create_memento) {
- __ AssertUndefinedOrAllocationSite(rbx);
- __ Push(rbx);
- }
+ // Preserve the incoming parameters on the stack.
+ __ AssertUndefinedOrAllocationSite(rbx);
+ __ Push(rbx);
+ __ Integer32ToSmi(rcx, rax);
+ __ Push(rcx);
- // Store a smi-tagged arguments count on the stack.
- __ Integer32ToSmi(rax, rax);
- __ Push(rax);
+ if (create_implicit_receiver) {
+ // Try to allocate the object without transitioning into C code. If any of
+ // the preconditions is not met, the code bails out to the runtime call.
+ Label rt_call, allocated;
+ if (FLAG_inline_new) {
+ // Verify that the new target is a JSFunction.
+ __ CmpObjectType(rdx, JS_FUNCTION_TYPE, rbx);
+ __ j(not_equal, &rt_call);
- // Push the function to invoke on the stack.
- __ Push(rdi);
+ // Load the initial map and verify that it is in fact a map.
+ // rdx: new target
+ __ movp(rax,
+ FieldOperand(rdx, JSFunction::kPrototypeOrInitialMapOffset));
+ // Will both indicate a NULL and a Smi
+ DCHECK(kSmiTag == 0);
+ __ JumpIfSmi(rax, &rt_call);
+ // rdi: constructor
+ // rax: initial map (if proven valid below)
+ __ CmpObjectType(rax, MAP_TYPE, rbx);
+ __ j(not_equal, &rt_call);
- // Try to allocate the object without transitioning into C code. If any of
- // the preconditions is not met, the code bails out to the runtime call.
- Label rt_call, allocated;
- if (FLAG_inline_new) {
- Label undo_allocation;
+ // Fall back to runtime if the expected base constructor and base
+ // constructor differ.
+ __ cmpp(rdi, FieldOperand(rax, Map::kConstructorOrBackPointerOffset));
+ __ j(not_equal, &rt_call);
- ExternalReference debug_step_in_fp =
- ExternalReference::debug_step_in_fp_address(masm->isolate());
- __ Move(kScratchRegister, debug_step_in_fp);
- __ cmpp(Operand(kScratchRegister, 0), Immediate(0));
- __ j(not_equal, &rt_call);
+ // Now allocate the JSObject on the heap.
+ __ movzxbp(r9, FieldOperand(rax, Map::kInstanceSizeOffset));
+ __ shlp(r9, Immediate(kPointerSizeLog2));
+ // r9: size of new object
+ __ Allocate(r9, rbx, r9, no_reg, &rt_call, NO_ALLOCATION_FLAGS);
+ // Allocated the JSObject, now initialize the fields.
+ // rdi: constructor
+ // rdx: new target
+ // rax: initial map
+ // rbx: JSObject (not HeapObject tagged - the actual address).
+ // r9: start of next object
+ __ movp(Operand(rbx, JSObject::kMapOffset), rax);
+ __ LoadRoot(rcx, Heap::kEmptyFixedArrayRootIndex);
+ __ movp(Operand(rbx, JSObject::kPropertiesOffset), rcx);
+ __ movp(Operand(rbx, JSObject::kElementsOffset), rcx);
+ __ leap(rcx, Operand(rbx, JSObject::kHeaderSize));
- // Verified that the constructor is a JSFunction.
- // Load the initial map and verify that it is in fact a map.
- // rdi: constructor
- __ movp(rax, FieldOperand(rdi, JSFunction::kPrototypeOrInitialMapOffset));
- // Will both indicate a NULL and a Smi
- DCHECK(kSmiTag == 0);
- __ JumpIfSmi(rax, &rt_call);
- // rdi: constructor
- // rax: initial map (if proven valid below)
- __ CmpObjectType(rax, MAP_TYPE, rbx);
- __ j(not_equal, &rt_call);
+ // Add the object tag to make the JSObject real, so that we can continue
+ // and jump into the continuation code at any time from now on.
+ __ orp(rbx, Immediate(kHeapObjectTag));
- // Check that the constructor is not constructing a JSFunction (see
- // comments in Runtime_NewObject in runtime.cc). In which case the
- // initial map's instance type would be JS_FUNCTION_TYPE.
- // rdi: constructor
- // rax: initial map
- __ CmpInstanceType(rax, JS_FUNCTION_TYPE);
- __ j(equal, &rt_call);
- if (!is_api_function) {
- Label allocate;
- // The code below relies on these assumptions.
- STATIC_ASSERT(Map::Counter::kShift + Map::Counter::kSize == 32);
- // Check if slack tracking is enabled.
- __ movl(rsi, FieldOperand(rax, Map::kBitField3Offset));
- __ shrl(rsi, Immediate(Map::Counter::kShift));
- __ cmpl(rsi, Immediate(Map::kSlackTrackingCounterEnd));
- __ j(less, &allocate);
- // Decrease generous allocation count.
- __ subl(FieldOperand(rax, Map::kBitField3Offset),
- Immediate(1 << Map::Counter::kShift));
+ // Fill all the in-object properties with the appropriate filler.
+ // rbx: JSObject (tagged)
+ // rcx: First in-object property of JSObject (not tagged)
+ __ LoadRoot(r11, Heap::kUndefinedValueRootIndex);
- __ cmpl(rsi, Immediate(Map::kSlackTrackingCounterEnd));
- __ j(not_equal, &allocate);
+ if (!is_api_function) {
+ Label no_inobject_slack_tracking;
- __ Push(rax);
- __ Push(rdi);
+ // The code below relies on these assumptions.
+ STATIC_ASSERT(Map::kNoSlackTracking == 0);
+ STATIC_ASSERT(Map::ConstructionCounter::kNext == 32);
+ // Check if slack tracking is enabled.
+ __ movl(rsi, FieldOperand(rax, Map::kBitField3Offset));
+ __ shrl(rsi, Immediate(Map::ConstructionCounter::kShift));
+ __ j(zero, &no_inobject_slack_tracking); // Map::kNoSlackTracking
+ __ Push(rsi); // Save allocation count value.
+ // Decrease generous allocation count.
+ __ subl(FieldOperand(rax, Map::kBitField3Offset),
+ Immediate(1 << Map::ConstructionCounter::kShift));
- __ Push(rdi); // constructor
- __ CallRuntime(Runtime::kFinalizeInstanceSize, 1);
+ // Allocate object with a slack.
+ __ movzxbp(rsi, FieldOperand(rax, Map::kUnusedPropertyFieldsOffset));
+ __ negp(rsi);
+ __ leap(rsi, Operand(r9, rsi, times_pointer_size, 0));
+ // rsi: offset of first field after pre-allocated fields
+ if (FLAG_debug_code) {
+ __ cmpp(rcx, rsi);
+ __ Assert(less_equal,
+ kUnexpectedNumberOfPreAllocatedPropertyFields);
+ }
+ __ InitializeFieldsWithFiller(rcx, rsi, r11);
- __ Pop(rdi);
- __ Pop(rax);
- __ movl(rsi, Immediate(Map::kSlackTrackingCounterEnd - 1));
+ // To allow truncation fill the remaining fields with one pointer
+ // filler map.
+ __ LoadRoot(r11, Heap::kOnePointerFillerMapRootIndex);
+ __ InitializeFieldsWithFiller(rcx, r9, r11);
- __ bind(&allocate);
- }
+ __ Pop(rsi); // Restore allocation count value before decreasing.
+ __ cmpl(rsi, Immediate(Map::kSlackTrackingCounterEnd));
+ __ j(not_equal, &allocated);
- // Now allocate the JSObject on the heap.
- __ movzxbp(rdi, FieldOperand(rax, Map::kInstanceSizeOffset));
- __ shlp(rdi, Immediate(kPointerSizeLog2));
- if (create_memento) {
- __ addp(rdi, Immediate(AllocationMemento::kSize));
- }
- // rdi: size of new object
- __ Allocate(rdi,
- rbx,
- rdi,
- no_reg,
- &rt_call,
- NO_ALLOCATION_FLAGS);
- Factory* factory = masm->isolate()->factory();
- // Allocated the JSObject, now initialize the fields.
- // rax: initial map
- // rbx: JSObject (not HeapObject tagged - the actual address).
- // rdi: start of next object (including memento if create_memento)
- __ movp(Operand(rbx, JSObject::kMapOffset), rax);
- __ LoadRoot(rcx, Heap::kEmptyFixedArrayRootIndex);
- __ movp(Operand(rbx, JSObject::kPropertiesOffset), rcx);
- __ movp(Operand(rbx, JSObject::kElementsOffset), rcx);
- // Set extra fields in the newly allocated object.
- // rax: initial map
- // rbx: JSObject
- // rdi: start of next object (including memento if create_memento)
- // rsi: slack tracking counter (non-API function case)
- __ leap(rcx, Operand(rbx, JSObject::kHeaderSize));
- __ LoadRoot(rdx, Heap::kUndefinedValueRootIndex);
- if (!is_api_function) {
- Label no_inobject_slack_tracking;
+ // Push the constructor, new_target and the object to the stack,
+ // and then the initial map as an argument to the runtime call.
+ __ Push(rdi);
+ __ Push(rdx);
+ __ Push(rbx);
- // Check if slack tracking is enabled.
- __ cmpl(rsi, Immediate(Map::kSlackTrackingCounterEnd));
- __ j(less, &no_inobject_slack_tracking);
+ __ Push(rax); // initial map
+ __ CallRuntime(Runtime::kFinalizeInstanceSize);
- // Allocate object with a slack.
- __ movzxbp(rsi,
- FieldOperand(rax, Map::kPreAllocatedPropertyFieldsOffset));
- __ leap(rsi,
- Operand(rbx, rsi, times_pointer_size, JSObject::kHeaderSize));
- // rsi: offset of first field after pre-allocated fields
- if (FLAG_debug_code) {
- __ cmpp(rsi, rdi);
- __ Assert(less_equal,
- kUnexpectedNumberOfPreAllocatedPropertyFields);
+ __ Pop(rbx);
+ __ Pop(rdx);
+ __ Pop(rdi);
+
+ // Continue with JSObject being successfully allocated.
+ // rdi: constructor
+ // rdx: new target
+ // rbx: JSObject (tagged)
+ __ jmp(&allocated);
+
+ __ bind(&no_inobject_slack_tracking);
}
- __ InitializeFieldsWithFiller(rcx, rsi, rdx);
- __ LoadRoot(rdx, Heap::kOnePointerFillerMapRootIndex);
- // Fill the remaining fields with one pointer filler map.
- __ bind(&no_inobject_slack_tracking);
- }
- if (create_memento) {
- __ leap(rsi, Operand(rdi, -AllocationMemento::kSize));
- __ InitializeFieldsWithFiller(rcx, rsi, rdx);
+ __ InitializeFieldsWithFiller(rcx, r9, r11);
- // Fill in memento fields if necessary.
- // rsi: points to the allocated but uninitialized memento.
- __ Move(Operand(rsi, AllocationMemento::kMapOffset),
- factory->allocation_memento_map());
- // Get the cell or undefined.
- __ movp(rdx, Operand(rsp, kPointerSize*2));
- __ movp(Operand(rsi, AllocationMemento::kAllocationSiteOffset), rdx);
- } else {
- __ InitializeFieldsWithFiller(rcx, rdi, rdx);
+ // Continue with JSObject being successfully allocated
+ // rdi: constructor
+ // rdx: new target
+ // rbx: JSObject (tagged)
+ __ jmp(&allocated);
}
- // Add the object tag to make the JSObject real, so that we can continue
- // and jump into the continuation code at any time from now on. Any
- // failures need to undo the allocation, so that the heap is in a
- // consistent state and verifiable.
- // rax: initial map
- // rbx: JSObject
- // rdi: start of next object
- __ orp(rbx, Immediate(kHeapObjectTag));
+ // Allocate the new receiver object using the runtime call.
+ // rdi: constructor
+ // rdx: new target
+ __ bind(&rt_call);
- // Check if a non-empty properties array is needed.
- // Allocate and initialize a FixedArray if it is.
- // rax: initial map
- // rbx: JSObject
- // rdi: start of next object
- // Calculate total properties described map.
- __ movzxbp(rdx, FieldOperand(rax, Map::kUnusedPropertyFieldsOffset));
- __ movzxbp(rcx,
- FieldOperand(rax, Map::kPreAllocatedPropertyFieldsOffset));
- __ addp(rdx, rcx);
- // Calculate unused properties past the end of the in-object properties.
- __ movzxbp(rcx, FieldOperand(rax, Map::kInObjectPropertiesOffset));
- __ subp(rdx, rcx);
- // Done if no extra properties are to be allocated.
- __ j(zero, &allocated);
- __ Assert(positive, kPropertyAllocationCountFailed);
+ // Must restore rsi (context) before calling runtime.
+ __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
- // Scale the number of elements by pointer size and add the header for
- // FixedArrays to the start of the next object calculation from above.
- // rbx: JSObject
- // rdi: start of next object (will be start of FixedArray)
- // rdx: number of elements in properties array
- __ Allocate(FixedArray::kHeaderSize,
- times_pointer_size,
- rdx,
- rdi,
- rax,
- no_reg,
- &undo_allocation,
- RESULT_CONTAINS_TOP);
-
- // Initialize the FixedArray.
- // rbx: JSObject
- // rdi: FixedArray
- // rdx: number of elements
- // rax: start of next object
- __ LoadRoot(rcx, Heap::kFixedArrayMapRootIndex);
- __ movp(Operand(rdi, HeapObject::kMapOffset), rcx); // setup the map
- __ Integer32ToSmi(rdx, rdx);
- __ movp(Operand(rdi, FixedArray::kLengthOffset), rdx); // and length
-
- // Initialize the fields to undefined.
- // rbx: JSObject
- // rdi: FixedArray
- // rax: start of next object
- // rdx: number of elements
- { Label loop, entry;
- __ LoadRoot(rdx, Heap::kUndefinedValueRootIndex);
- __ leap(rcx, Operand(rdi, FixedArray::kHeaderSize));
- __ jmp(&entry);
- __ bind(&loop);
- __ movp(Operand(rcx, 0), rdx);
- __ addp(rcx, Immediate(kPointerSize));
- __ bind(&entry);
- __ cmpp(rcx, rax);
- __ j(below, &loop);
- }
-
- // Store the initialized FixedArray into the properties field of
- // the JSObject
- // rbx: JSObject
- // rdi: FixedArray
- __ orp(rdi, Immediate(kHeapObjectTag)); // add the heap tag
- __ movp(FieldOperand(rbx, JSObject::kPropertiesOffset), rdi);
-
-
- // Continue with JSObject being successfully allocated
- // rbx: JSObject
- __ jmp(&allocated);
-
- // Undo the setting of the new top so that the heap is verifiable. For
- // example, the map's unused properties potentially do not match the
- // allocated objects unused properties.
- // rbx: JSObject (previous new top)
- __ bind(&undo_allocation);
- __ UndoAllocationInNewSpace(rbx);
- }
-
- // Allocate the new receiver object using the runtime call.
- // rdi: function (constructor)
- __ bind(&rt_call);
- int offset = 0;
- if (create_memento) {
- // Get the cell or allocation site.
- __ movp(rdi, Operand(rsp, kPointerSize*2));
+ // Push the constructor and new_target twice, second pair as arguments
+ // to the runtime call.
__ Push(rdi);
- offset = kPointerSize;
+ __ Push(rdx);
+ __ Push(rdi); // constructor function
+ __ Push(rdx); // new target
+ __ CallRuntime(Runtime::kNewObject);
+ __ movp(rbx, rax); // store result in rbx
+ __ Pop(rdx);
+ __ Pop(rdi);
+
+ // Receiver for constructor call allocated.
+ // rdi: constructor
+ // rdx: new target
+ // rbx: newly allocated object
+ __ bind(&allocated);
+
+ // Retrieve smi-tagged arguments count from the stack.
+ __ movp(rax, Operand(rsp, 0));
+ __ SmiToInteger32(rax, rax);
}
- // Must restore rsi (context) and rdi (constructor) before calling runtime.
- __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
- __ movp(rdi, Operand(rsp, offset));
- __ Push(rdi);
- if (create_memento) {
- __ CallRuntime(Runtime::kNewObjectWithAllocationSite, 2);
+ if (create_implicit_receiver) {
+ // Push the allocated receiver to the stack. We need two copies
+ // because we may have to return the original one and the calling
+ // conventions dictate that the called function pops the receiver.
+ __ Push(rbx);
+ __ Push(rbx);
} else {
- __ CallRuntime(Runtime::kNewObject, 1);
+ __ PushRoot(Heap::kTheHoleValueRootIndex);
}
- __ movp(rbx, rax); // store result in rbx
-
- // If we ended up using the runtime, and we want a memento, then the
- // runtime call made it for us, and we shouldn't do create count
- // increment.
- Label count_incremented;
- if (create_memento) {
- __ jmp(&count_incremented);
- }
-
- // New object allocated.
- // rbx: newly allocated object
- __ bind(&allocated);
-
- if (create_memento) {
- __ movp(rcx, Operand(rsp, kPointerSize*2));
- __ Cmp(rcx, masm->isolate()->factory()->undefined_value());
- __ j(equal, &count_incremented);
- // rcx is an AllocationSite. We are creating a memento from it, so we
- // need to increment the memento create count.
- __ SmiAddConstant(
- FieldOperand(rcx, AllocationSite::kPretenureCreateCountOffset),
- Smi::FromInt(1));
- __ bind(&count_incremented);
- }
-
- // Retrieve the function from the stack.
- __ Pop(rdi);
-
- // Retrieve smi-tagged arguments count from the stack.
- __ movp(rax, Operand(rsp, 0));
- __ SmiToInteger32(rax, rax);
-
- // Push the allocated receiver to the stack. We need two copies
- // because we may have to return the original one and the calling
- // conventions dictate that the called function pops the receiver.
- __ Push(rbx);
- __ Push(rbx);
// Set up pointer to last argument.
__ leap(rbx, Operand(rbp, StandardFrameConstants::kCallerSPOffset));
@@ -422,38 +315,44 @@
__ Call(code, RelocInfo::CODE_TARGET);
} else {
ParameterCount actual(rax);
- __ InvokeFunction(rdi, actual, CALL_FUNCTION, NullCallWrapper());
+ __ InvokeFunction(rdi, rdx, actual, CALL_FUNCTION,
+ CheckDebugStepCallWrapper());
}
// Store offset of return address for deoptimizer.
- if (!is_api_function) {
+ if (create_implicit_receiver && !is_api_function) {
masm->isolate()->heap()->SetConstructStubDeoptPCOffset(masm->pc_offset());
}
// Restore context from the frame.
__ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
- // If the result is an object (in the ECMA sense), we should get rid
- // of the receiver and use the result; see ECMA-262 section 13.2.2-7
- // on page 74.
- Label use_receiver, exit;
- // If the result is a smi, it is *not* an object in the ECMA sense.
- __ JumpIfSmi(rax, &use_receiver);
+ if (create_implicit_receiver) {
+ // If the result is an object (in the ECMA sense), we should get rid
+ // of the receiver and use the result; see ECMA-262 section 13.2.2-7
+ // on page 74.
+ Label use_receiver, exit;
+ // If the result is a smi, it is *not* an object in the ECMA sense.
+ __ JumpIfSmi(rax, &use_receiver);
- // If the type of the result (stored in its map) is less than
- // FIRST_SPEC_OBJECT_TYPE, it is not an object in the ECMA sense.
- STATIC_ASSERT(LAST_SPEC_OBJECT_TYPE == LAST_TYPE);
- __ CmpObjectType(rax, FIRST_SPEC_OBJECT_TYPE, rcx);
- __ j(above_equal, &exit);
+ // If the type of the result (stored in its map) is less than
+ // FIRST_JS_RECEIVER_TYPE, it is not an object in the ECMA sense.
+ STATIC_ASSERT(LAST_JS_RECEIVER_TYPE == LAST_TYPE);
+ __ CmpObjectType(rax, FIRST_JS_RECEIVER_TYPE, rcx);
+ __ j(above_equal, &exit);
- // Throw away the result of the constructor invocation and use the
- // on-stack receiver as the result.
- __ bind(&use_receiver);
- __ movp(rax, Operand(rsp, 0));
+ // Throw away the result of the constructor invocation and use the
+ // on-stack receiver as the result.
+ __ bind(&use_receiver);
+ __ movp(rax, Operand(rsp, 0));
- // Restore the arguments count and leave the construct frame.
- __ bind(&exit);
- __ movp(rbx, Operand(rsp, kPointerSize)); // Get arguments count.
+ // Restore the arguments count and leave the construct frame. The
+ // arguments count is stored below the receiver.
+ __ bind(&exit);
+ __ movp(rbx, Operand(rsp, 1 * kPointerSize));
+ } else {
+ __ movp(rbx, Operand(rsp, 0));
+ }
// Leave construct frame.
}
@@ -463,19 +362,70 @@
SmiIndex index = masm->SmiToIndex(rbx, rbx, kPointerSizeLog2);
__ leap(rsp, Operand(rsp, index.reg, index.scale, 1 * kPointerSize));
__ PushReturnAddressFrom(rcx);
- Counters* counters = masm->isolate()->counters();
- __ IncrementCounter(counters->constructed_objects(), 1);
+ if (create_implicit_receiver) {
+ Counters* counters = masm->isolate()->counters();
+ __ IncrementCounter(counters->constructed_objects(), 1);
+ }
__ ret(0);
}
void Builtins::Generate_JSConstructStubGeneric(MacroAssembler* masm) {
- Generate_JSConstructStubHelper(masm, false, FLAG_pretenuring_call_new);
+ Generate_JSConstructStubHelper(masm, false, true);
}
void Builtins::Generate_JSConstructStubApi(MacroAssembler* masm) {
- Generate_JSConstructStubHelper(masm, true, false);
+ Generate_JSConstructStubHelper(masm, true, true);
+}
+
+
+void Builtins::Generate_JSBuiltinsConstructStub(MacroAssembler* masm) {
+ Generate_JSConstructStubHelper(masm, false, false);
+}
+
+
+void Builtins::Generate_ConstructedNonConstructable(MacroAssembler* masm) {
+ FrameScope scope(masm, StackFrame::INTERNAL);
+ __ Push(rdi);
+ __ CallRuntime(Runtime::kThrowConstructedNonConstructable);
+}
+
+
+enum IsTagged { kRaxIsSmiTagged, kRaxIsUntaggedInt };
+
+
+// Clobbers rcx, r11, kScratchRegister; preserves all other registers.
+static void Generate_CheckStackOverflow(MacroAssembler* masm,
+ IsTagged rax_is_tagged) {
+ // rax : the number of items to be pushed to the stack
+ //
+ // Check the stack for overflow. We are not trying to catch
+ // interruptions (e.g. debug break and preemption) here, so the "real stack
+ // limit" is checked.
+ Label okay;
+ __ LoadRoot(kScratchRegister, Heap::kRealStackLimitRootIndex);
+ __ movp(rcx, rsp);
+ // Make rcx the space we have left. The stack might already be overflowed
+ // here which will cause rcx to become negative.
+ __ subp(rcx, kScratchRegister);
+ // Make r11 the space we need for the array when it is unrolled onto the
+ // stack.
+ if (rax_is_tagged == kRaxIsSmiTagged) {
+ __ PositiveSmiTimesPowerOfTwoToInteger64(r11, rax, kPointerSizeLog2);
+ } else {
+ DCHECK(rax_is_tagged == kRaxIsUntaggedInt);
+ __ movp(r11, rax);
+ __ shlq(r11, Immediate(kPointerSizeLog2));
+ }
+ // Check if the arguments will overflow the stack.
+ __ cmpp(rcx, r11);
+ __ j(greater, &okay); // Signed comparison.
+
+ // Out of stack space.
+ __ CallRuntime(Runtime::kThrowStackOverflow);
+
+ __ bind(&okay);
}
@@ -484,8 +434,8 @@
ProfileEntryHookStub::MaybeCallEntryHook(masm);
// Expects five C++ function parameters.
- // - Address entry (ignored)
- // - JSFunction* function (
+ // - Object* new_target
+ // - JSFunction* function
// - Object* receiver
// - int argc
// - Object*** argv
@@ -496,11 +446,12 @@
// Platform specific argument handling. After this, the stack contains
// an internal frame and the pushed function and receiver, and
// register rax and rbx holds the argument count and argument array,
- // while rdi holds the function pointer and rsi the context.
+ // while rdi holds the function pointer, rsi the context, and rdx the
+ // new.target.
#ifdef _WIN64
// MSVC parameters in:
- // rcx : entry (ignored)
+ // rcx : new_target
// rdx : function
// r8 : receiver
// r9 : argc
@@ -508,11 +459,14 @@
// Clear the context before we push it when entering the internal frame.
__ Set(rsi, 0);
+
// Enter an internal frame.
FrameScope scope(masm, StackFrame::INTERNAL);
- // Load the function context into rsi.
- __ movp(rsi, FieldOperand(rdx, JSFunction::kContextOffset));
+ // Setup the context (we need to use the caller context from the isolate).
+ ExternalReference context_address(Isolate::kContextAddress,
+ masm->isolate());
+ __ movp(rsi, masm->ExternalOperand(context_address));
// Push the function and the receiver onto the stack.
__ Push(rdx);
@@ -525,30 +479,42 @@
__ movp(rbx, Operand(kScratchRegister, EntryFrameConstants::kArgvOffset));
// Load the function pointer into rdi.
__ movp(rdi, rdx);
+ // Load the new.target into rdx.
+ __ movp(rdx, rcx);
#else // _WIN64
// GCC parameters in:
- // rdi : entry (ignored)
+ // rdi : new_target
// rsi : function
// rdx : receiver
// rcx : argc
// r8 : argv
+ __ movp(r11, rdi);
__ movp(rdi, rsi);
// rdi : function
+ // r11 : new_target
// Clear the context before we push it when entering the internal frame.
__ Set(rsi, 0);
+
// Enter an internal frame.
FrameScope scope(masm, StackFrame::INTERNAL);
- // Push the function and receiver and setup the context.
+ // Setup the context (we need to use the caller context from the isolate).
+ ExternalReference context_address(Isolate::kContextAddress,
+ masm->isolate());
+ __ movp(rsi, masm->ExternalOperand(context_address));
+
+ // Push the function and receiver onto the stack.
__ Push(rdi);
__ Push(rdx);
- __ movp(rsi, FieldOperand(rdi, JSFunction::kContextOffset));
// Load the number of arguments and setup pointer to the arguments.
__ movp(rax, rcx);
__ movp(rbx, r8);
+
+ // Load the new.target into rdx.
+ __ movp(rdx, r11);
#endif // _WIN64
// Current stack contents:
@@ -560,13 +526,18 @@
// rbx : argv
// rsi : context
// rdi : function
+ // rdx : new.target
+
+ // Check if we have enough stack space to push all arguments.
+ // Expects argument count in rax. Clobbers rcx, r11.
+ Generate_CheckStackOverflow(masm, kRaxIsUntaggedInt);
// Copy arguments to the stack in a loop.
// Register rbx points to array of pointers to handle locations.
// Push the values of these handles.
Label loop, entry;
__ Set(rcx, 0); // Set loop variable to 0.
- __ jmp(&entry);
+ __ jmp(&entry, Label::kNear);
__ bind(&loop);
__ movp(kScratchRegister, Operand(rbx, rcx, times_pointer_size, 0));
__ Push(Operand(kScratchRegister, 0)); // dereference handle
@@ -575,18 +546,12 @@
__ cmpp(rcx, rax);
__ j(not_equal, &loop);
- // Invoke the code.
- if (is_construct) {
- // No type feedback cell is available
- __ LoadRoot(rbx, Heap::kUndefinedValueRootIndex);
- // Expects rdi to hold function pointer.
- CallConstructStub stub(masm->isolate(), NO_CALL_CONSTRUCTOR_FLAGS);
- __ CallStub(&stub);
- } else {
- ParameterCount actual(rax);
- // Function must be in rdi.
- __ InvokeFunction(rdi, actual, CALL_FUNCTION, NullCallWrapper());
- }
+ // Invoke the builtin code.
+ Handle<Code> builtin = is_construct
+ ? masm->isolate()->builtins()->Construct()
+ : masm->isolate()->builtins()->Call();
+ __ Call(builtin, RelocInfo::CODE_TARGET);
+
// Exit the internal frame. Notice that this also removes the empty
// context and the function left on the stack by the code
// invocation.
@@ -607,36 +572,326 @@
}
+// Generate code for entering a JS function with the interpreter.
+// On entry to the function the receiver and arguments have been pushed on the
+// stack left to right. The actual argument count matches the formal parameter
+// count expected by the function.
+//
+// The live registers are:
+// o rdi: the JS function object being called
+// o rdx: the new target
+// o rsi: our context
+// o rbp: the caller's frame pointer
+// o rsp: stack pointer (pointing to return address)
+//
+// The function builds a JS frame. Please see JavaScriptFrameConstants in
+// frames-x64.h for its layout.
+// TODO(rmcilroy): We will need to include the current bytecode pointer in the
+// frame.
+void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
+ // Open a frame scope to indicate that there is a frame on the stack. The
+ // MANUAL indicates that the scope shouldn't actually generate code to set up
+ // the frame (that is done below).
+ FrameScope frame_scope(masm, StackFrame::MANUAL);
+ __ pushq(rbp); // Caller's frame pointer.
+ __ movp(rbp, rsp);
+ __ Push(rsi); // Callee's context.
+ __ Push(rdi); // Callee's JS function.
+ __ Push(rdx); // Callee's new target.
+
+ // Push zero for bytecode array offset.
+ __ Push(Immediate(0));
+
+ // Get the bytecode array from the function object and load the pointer to the
+ // first entry into edi (InterpreterBytecodeRegister).
+ __ movp(rax, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset));
+ __ movp(kInterpreterBytecodeArrayRegister,
+ FieldOperand(rax, SharedFunctionInfo::kFunctionDataOffset));
+
+ if (FLAG_debug_code) {
+ // Check function data field is actually a BytecodeArray object.
+ __ AssertNotSmi(kInterpreterBytecodeArrayRegister);
+ __ CmpObjectType(kInterpreterBytecodeArrayRegister, BYTECODE_ARRAY_TYPE,
+ rax);
+ __ Assert(equal, kFunctionDataShouldBeBytecodeArrayOnInterpreterEntry);
+ }
+
+ // Allocate the local and temporary register file on the stack.
+ {
+ // Load frame size from the BytecodeArray object.
+ __ movl(rcx, FieldOperand(kInterpreterBytecodeArrayRegister,
+ BytecodeArray::kFrameSizeOffset));
+
+ // Do a stack check to ensure we don't go over the limit.
+ Label ok;
+ __ movp(rdx, rsp);
+ __ subp(rdx, rcx);
+ __ CompareRoot(rdx, Heap::kRealStackLimitRootIndex);
+ __ j(above_equal, &ok, Label::kNear);
+ __ CallRuntime(Runtime::kThrowStackOverflow);
+ __ bind(&ok);
+
+ // If ok, push undefined as the initial value for all register file entries.
+ Label loop_header;
+ Label loop_check;
+ __ LoadRoot(rdx, Heap::kUndefinedValueRootIndex);
+ __ j(always, &loop_check);
+ __ bind(&loop_header);
+ // TODO(rmcilroy): Consider doing more than one push per loop iteration.
+ __ Push(rdx);
+ // Continue loop if not done.
+ __ bind(&loop_check);
+ __ subp(rcx, Immediate(kPointerSize));
+ __ j(greater_equal, &loop_header, Label::kNear);
+ }
+
+ // TODO(rmcilroy): List of things not currently dealt with here but done in
+ // fullcodegen's prologue:
+ // - Support profiler (specifically profiling_counter).
+ // - Call ProfileEntryHookStub when isolate has a function_entry_hook.
+ // - Allow simulator stop operations if FLAG_stop_at is set.
+ // - Code aging of the BytecodeArray object.
+
+ // Perform stack guard check.
+ {
+ Label ok;
+ __ CompareRoot(rsp, Heap::kStackLimitRootIndex);
+ __ j(above_equal, &ok, Label::kNear);
+ __ Push(kInterpreterBytecodeArrayRegister);
+ __ CallRuntime(Runtime::kStackGuard);
+ __ Pop(kInterpreterBytecodeArrayRegister);
+ __ bind(&ok);
+ }
+
+ // Load accumulator, register file, bytecode offset, dispatch table into
+ // registers.
+ __ LoadRoot(kInterpreterAccumulatorRegister, Heap::kUndefinedValueRootIndex);
+ __ movp(kInterpreterRegisterFileRegister, rbp);
+ __ addp(kInterpreterRegisterFileRegister,
+ Immediate(InterpreterFrameConstants::kRegisterFilePointerFromFp));
+ __ movp(kInterpreterBytecodeOffsetRegister,
+ Immediate(BytecodeArray::kHeaderSize - kHeapObjectTag));
+ __ LoadRoot(kInterpreterDispatchTableRegister,
+ Heap::kInterpreterTableRootIndex);
+ __ addp(kInterpreterDispatchTableRegister,
+ Immediate(FixedArray::kHeaderSize - kHeapObjectTag));
+
+ // Dispatch to the first bytecode handler for the function.
+ __ movzxbp(rbx, Operand(kInterpreterBytecodeArrayRegister,
+ kInterpreterBytecodeOffsetRegister, times_1, 0));
+ __ movp(rbx, Operand(kInterpreterDispatchTableRegister, rbx,
+ times_pointer_size, 0));
+ // TODO(rmcilroy): Make dispatch table point to code entrys to avoid untagging
+ // and header removal.
+ __ addp(rbx, Immediate(Code::kHeaderSize - kHeapObjectTag));
+ __ call(rbx);
+}
+
+
+void Builtins::Generate_InterpreterExitTrampoline(MacroAssembler* masm) {
+ // TODO(rmcilroy): List of things not currently dealt with here but done in
+ // fullcodegen's EmitReturnSequence.
+ // - Supporting FLAG_trace for Runtime::TraceExit.
+ // - Support profiler (specifically decrementing profiling_counter
+ // appropriately and calling out to HandleInterrupts if necessary).
+
+ // The return value is in accumulator, which is already in rax.
+
+ // Leave the frame (also dropping the register file).
+ __ leave();
+
+ // Drop receiver + arguments and return.
+ __ movl(rbx, FieldOperand(kInterpreterBytecodeArrayRegister,
+ BytecodeArray::kParameterSizeOffset));
+ __ PopReturnAddressTo(rcx);
+ __ addp(rsp, rbx);
+ __ PushReturnAddressFrom(rcx);
+ __ ret(0);
+}
+
+
+static void Generate_InterpreterPushArgs(MacroAssembler* masm,
+ bool push_receiver) {
+ // ----------- S t a t e -------------
+ // -- rax : the number of arguments (not including the receiver)
+ // -- rbx : the address of the first argument to be pushed. Subsequent
+ // arguments should be consecutive above this, in the same order as
+ // they are to be pushed onto the stack.
+ // -----------------------------------
+
+ // Find the address of the last argument.
+ __ movp(rcx, rax);
+ if (push_receiver) {
+ __ addp(rcx, Immediate(1)); // Add one for receiver.
+ }
+
+ __ shlp(rcx, Immediate(kPointerSizeLog2));
+ __ negp(rcx);
+ __ addp(rcx, rbx);
+
+ // Push the arguments.
+ Label loop_header, loop_check;
+ __ j(always, &loop_check);
+ __ bind(&loop_header);
+ __ Push(Operand(rbx, 0));
+ __ subp(rbx, Immediate(kPointerSize));
+ __ bind(&loop_check);
+ __ cmpp(rbx, rcx);
+ __ j(greater, &loop_header, Label::kNear);
+}
+
+
+// static
+void Builtins::Generate_InterpreterPushArgsAndCall(MacroAssembler* masm) {
+ // ----------- S t a t e -------------
+ // -- rax : the number of arguments (not including the receiver)
+ // -- rbx : the address of the first argument to be pushed. Subsequent
+ // arguments should be consecutive above this, in the same order as
+ // they are to be pushed onto the stack.
+ // -- rdi : the target to call (can be any Object).
+ // -----------------------------------
+
+ // Pop return address to allow tail-call after pushing arguments.
+ __ PopReturnAddressTo(kScratchRegister);
+
+ Generate_InterpreterPushArgs(masm, true);
+
+ // Call the target.
+ __ PushReturnAddressFrom(kScratchRegister); // Re-push return address.
+ __ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
+}
+
+
+// static
+void Builtins::Generate_InterpreterPushArgsAndConstruct(MacroAssembler* masm) {
+ // ----------- S t a t e -------------
+ // -- rax : the number of arguments (not including the receiver)
+ // -- rdx : the new target (either the same as the constructor or
+ // the JSFunction on which new was invoked initially)
+ // -- rdi : the constructor to call (can be any Object)
+ // -- rbx : the address of the first argument to be pushed. Subsequent
+ // arguments should be consecutive above this, in the same order as
+ // they are to be pushed onto the stack.
+ // -----------------------------------
+
+ // Pop return address to allow tail-call after pushing arguments.
+ __ PopReturnAddressTo(kScratchRegister);
+
+ // Push slot for the receiver to be constructed.
+ __ Push(Immediate(0));
+
+ Generate_InterpreterPushArgs(masm, false);
+
+ // Push return address in preparation for the tail-call.
+ __ PushReturnAddressFrom(kScratchRegister);
+
+ // Call the constructor (rax, rdx, rdi passed on).
+ __ Jump(masm->isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET);
+}
+
+
+static void Generate_InterpreterNotifyDeoptimizedHelper(
+ MacroAssembler* masm, Deoptimizer::BailoutType type) {
+ // Enter an internal frame.
+ {
+ FrameScope scope(masm, StackFrame::INTERNAL);
+ __ Push(kInterpreterAccumulatorRegister); // Save accumulator register.
+
+ // Pass the deoptimization type to the runtime system.
+ __ Push(Smi::FromInt(static_cast<int>(type)));
+
+ __ CallRuntime(Runtime::kNotifyDeoptimized);
+
+ __ Pop(kInterpreterAccumulatorRegister); // Restore accumulator register.
+ // Tear down internal frame.
+ }
+
+ // Drop state (we don't use these for interpreter deopts) and push PC at top
+ // of stack (to simulate initial call to bytecode handler in interpreter entry
+ // trampoline).
+ __ Pop(rbx);
+ __ Drop(1);
+ __ Push(rbx);
+
+ // Initialize register file register and dispatch table register.
+ __ movp(kInterpreterRegisterFileRegister, rbp);
+ __ addp(kInterpreterRegisterFileRegister,
+ Immediate(InterpreterFrameConstants::kRegisterFilePointerFromFp));
+ __ LoadRoot(kInterpreterDispatchTableRegister,
+ Heap::kInterpreterTableRootIndex);
+ __ addp(kInterpreterDispatchTableRegister,
+ Immediate(FixedArray::kHeaderSize - kHeapObjectTag));
+
+ // Get the context from the frame.
+ // TODO(rmcilroy): Update interpreter frame to expect current context at the
+ // context slot instead of the function context.
+ __ movp(kContextRegister,
+ Operand(kInterpreterRegisterFileRegister,
+ InterpreterFrameConstants::kContextFromRegisterPointer));
+
+ // Get the bytecode array pointer from the frame.
+ __ movp(rbx,
+ Operand(kInterpreterRegisterFileRegister,
+ InterpreterFrameConstants::kFunctionFromRegisterPointer));
+ __ movp(rbx, FieldOperand(rbx, JSFunction::kSharedFunctionInfoOffset));
+ __ movp(kInterpreterBytecodeArrayRegister,
+ FieldOperand(rbx, SharedFunctionInfo::kFunctionDataOffset));
+
+ if (FLAG_debug_code) {
+ // Check function data field is actually a BytecodeArray object.
+ __ AssertNotSmi(kInterpreterBytecodeArrayRegister);
+ __ CmpObjectType(kInterpreterBytecodeArrayRegister, BYTECODE_ARRAY_TYPE,
+ rbx);
+ __ Assert(equal, kFunctionDataShouldBeBytecodeArrayOnInterpreterEntry);
+ }
+
+ // Get the target bytecode offset from the frame.
+ __ movp(
+ kInterpreterBytecodeOffsetRegister,
+ Operand(kInterpreterRegisterFileRegister,
+ InterpreterFrameConstants::kBytecodeOffsetFromRegisterPointer));
+ __ SmiToInteger32(kInterpreterBytecodeOffsetRegister,
+ kInterpreterBytecodeOffsetRegister);
+
+ // Dispatch to the target bytecode.
+ __ movzxbp(rbx, Operand(kInterpreterBytecodeArrayRegister,
+ kInterpreterBytecodeOffsetRegister, times_1, 0));
+ __ movp(rbx, Operand(kInterpreterDispatchTableRegister, rbx,
+ times_pointer_size, 0));
+ __ addp(rbx, Immediate(Code::kHeaderSize - kHeapObjectTag));
+ __ jmp(rbx);
+}
+
+
+void Builtins::Generate_InterpreterNotifyDeoptimized(MacroAssembler* masm) {
+ Generate_InterpreterNotifyDeoptimizedHelper(masm, Deoptimizer::EAGER);
+}
+
+
+void Builtins::Generate_InterpreterNotifySoftDeoptimized(MacroAssembler* masm) {
+ Generate_InterpreterNotifyDeoptimizedHelper(masm, Deoptimizer::SOFT);
+}
+
+
+void Builtins::Generate_InterpreterNotifyLazyDeoptimized(MacroAssembler* masm) {
+ Generate_InterpreterNotifyDeoptimizedHelper(masm, Deoptimizer::LAZY);
+}
+
+
void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
CallRuntimePassFunction(masm, Runtime::kCompileLazy);
GenerateTailCallToReturnedCode(masm);
}
-static void CallCompileOptimized(MacroAssembler* masm,
- bool concurrent) {
- FrameScope scope(masm, StackFrame::INTERNAL);
- // Push a copy of the function onto the stack.
- __ Push(rdi);
- // Function is also the parameter to the runtime call.
- __ Push(rdi);
- // Whether to compile in a background thread.
- __ Push(masm->isolate()->factory()->ToBoolean(concurrent));
-
- __ CallRuntime(Runtime::kCompileOptimized, 2);
- // Restore receiver.
- __ Pop(rdi);
-}
-
-
void Builtins::Generate_CompileOptimized(MacroAssembler* masm) {
- CallCompileOptimized(masm, false);
+ CallRuntimePassFunction(masm, Runtime::kCompileOptimized_NotConcurrent);
GenerateTailCallToReturnedCode(masm);
}
void Builtins::Generate_CompileOptimizedConcurrent(MacroAssembler* masm) {
- CallCompileOptimized(masm, true);
+ CallRuntimePassFunction(masm, Runtime::kCompileOptimized_Concurrent);
GenerateTailCallToReturnedCode(masm);
}
@@ -714,6 +969,11 @@
}
+void Builtins::Generate_MarkCodeAsToBeExecutedOnce(MacroAssembler* masm) {
+ Generate_MarkCodeAsExecutedOnce(masm);
+}
+
+
static void Generate_NotifyStubFailureHelper(MacroAssembler* masm,
SaveFPRegsMode save_doubles) {
// Enter an internal frame.
@@ -724,7 +984,7 @@
// stubs that tail call the runtime on deopts passing their parameters in
// registers.
__ Pushad();
- __ CallRuntime(Runtime::kNotifyStubFailure, 0, save_doubles);
+ __ CallRuntime(Runtime::kNotifyStubFailure, save_doubles);
__ Popad();
// Tear down internal frame.
}
@@ -753,7 +1013,7 @@
// Pass the deoptimization type to the runtime system.
__ Push(Smi::FromInt(static_cast<int>(type)));
- __ CallRuntime(Runtime::kNotifyDeoptimized, 1);
+ __ CallRuntime(Runtime::kNotifyDeoptimized);
// Tear down internal frame.
}
@@ -792,337 +1052,332 @@
}
-void Builtins::Generate_FunctionCall(MacroAssembler* masm) {
+// static
+void Builtins::Generate_DatePrototype_GetField(MacroAssembler* masm,
+ int field_index) {
+ // ----------- S t a t e -------------
+ // -- rsp[0] : return address
+ // -- rsp[8] : receiver
+ // -----------------------------------
+
+ // 1. Load receiver into rax and check that it's actually a JSDate object.
+ Label receiver_not_date;
+ {
+ StackArgumentsAccessor args(rsp, 0);
+ __ movp(rax, args.GetReceiverOperand());
+ __ JumpIfSmi(rax, &receiver_not_date);
+ __ CmpObjectType(rax, JS_DATE_TYPE, rbx);
+ __ j(not_equal, &receiver_not_date);
+ }
+
+ // 2. Load the specified date field, falling back to the runtime as necessary.
+ if (field_index == JSDate::kDateValue) {
+ __ movp(rax, FieldOperand(rax, JSDate::kValueOffset));
+ } else {
+ if (field_index < JSDate::kFirstUncachedField) {
+ Label stamp_mismatch;
+ __ Load(rdx, ExternalReference::date_cache_stamp(masm->isolate()));
+ __ cmpp(rdx, FieldOperand(rax, JSDate::kCacheStampOffset));
+ __ j(not_equal, &stamp_mismatch, Label::kNear);
+ __ movp(rax, FieldOperand(
+ rax, JSDate::kValueOffset + field_index * kPointerSize));
+ __ ret(1 * kPointerSize);
+ __ bind(&stamp_mismatch);
+ }
+ FrameScope scope(masm, StackFrame::INTERNAL);
+ __ PrepareCallCFunction(2);
+ __ Move(arg_reg_1, rax);
+ __ Move(arg_reg_2, Smi::FromInt(field_index));
+ __ CallCFunction(
+ ExternalReference::get_date_field_function(masm->isolate()), 2);
+ }
+ __ ret(1 * kPointerSize);
+
+ // 3. Raise a TypeError if the receiver is not a date.
+ __ bind(&receiver_not_date);
+ {
+ FrameScope scope(masm, StackFrame::MANUAL);
+ __ EnterFrame(StackFrame::INTERNAL);
+ __ CallRuntime(Runtime::kThrowNotDateError);
+ }
+}
+
+
+// static
+void Builtins::Generate_FunctionPrototypeApply(MacroAssembler* masm) {
+ // ----------- S t a t e -------------
+ // -- rax : argc
+ // -- rsp[0] : return address
+ // -- rsp[8] : argArray
+ // -- rsp[16] : thisArg
+ // -- rsp[24] : receiver
+ // -----------------------------------
+
+ // 1. Load receiver into rdi, argArray into rax (if present), remove all
+ // arguments from the stack (including the receiver), and push thisArg (if
+ // present) instead.
+ {
+ Label no_arg_array, no_this_arg;
+ StackArgumentsAccessor args(rsp, rax);
+ __ LoadRoot(rdx, Heap::kUndefinedValueRootIndex);
+ __ movp(rbx, rdx);
+ __ movp(rdi, args.GetReceiverOperand());
+ __ testp(rax, rax);
+ __ j(zero, &no_this_arg, Label::kNear);
+ {
+ __ movp(rdx, args.GetArgumentOperand(1));
+ __ cmpp(rax, Immediate(1));
+ __ j(equal, &no_arg_array, Label::kNear);
+ __ movp(rbx, args.GetArgumentOperand(2));
+ __ bind(&no_arg_array);
+ }
+ __ bind(&no_this_arg);
+ __ PopReturnAddressTo(rcx);
+ __ leap(rsp, Operand(rsp, rax, times_pointer_size, kPointerSize));
+ __ Push(rdx);
+ __ PushReturnAddressFrom(rcx);
+ __ movp(rax, rbx);
+ }
+
+ // ----------- S t a t e -------------
+ // -- rax : argArray
+ // -- rdi : receiver
+ // -- rsp[0] : return address
+ // -- rsp[8] : thisArg
+ // -----------------------------------
+
+ // 2. Make sure the receiver is actually callable.
+ Label receiver_not_callable;
+ __ JumpIfSmi(rdi, &receiver_not_callable, Label::kNear);
+ __ movp(rcx, FieldOperand(rdi, HeapObject::kMapOffset));
+ __ testb(FieldOperand(rcx, Map::kBitFieldOffset),
+ Immediate(1 << Map::kIsCallable));
+ __ j(zero, &receiver_not_callable, Label::kNear);
+
+ // 3. Tail call with no arguments if argArray is null or undefined.
+ Label no_arguments;
+ __ JumpIfRoot(rax, Heap::kNullValueRootIndex, &no_arguments, Label::kNear);
+ __ JumpIfRoot(rax, Heap::kUndefinedValueRootIndex, &no_arguments,
+ Label::kNear);
+
+ // 4a. Apply the receiver to the given argArray (passing undefined for
+ // new.target).
+ __ LoadRoot(rdx, Heap::kUndefinedValueRootIndex);
+ __ Jump(masm->isolate()->builtins()->Apply(), RelocInfo::CODE_TARGET);
+
+ // 4b. The argArray is either null or undefined, so we tail call without any
+ // arguments to the receiver.
+ __ bind(&no_arguments);
+ {
+ __ Set(rax, 0);
+ __ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
+ }
+
+ // 4c. The receiver is not callable, throw an appropriate TypeError.
+ __ bind(&receiver_not_callable);
+ {
+ StackArgumentsAccessor args(rsp, 0);
+ __ movp(args.GetReceiverOperand(), rdi);
+ __ TailCallRuntime(Runtime::kThrowApplyNonFunction);
+ }
+}
+
+
+// static
+void Builtins::Generate_FunctionPrototypeCall(MacroAssembler* masm) {
// Stack Layout:
// rsp[0] : Return address
// rsp[8] : Argument n
// rsp[16] : Argument n-1
// ...
// rsp[8 * n] : Argument 1
- // rsp[8 * (n + 1)] : Receiver (function to call)
+ // rsp[8 * (n + 1)] : Receiver (callable to call)
//
// rax contains the number of arguments, n, not counting the receiver.
//
// 1. Make sure we have at least one argument.
- { Label done;
+ {
+ Label done;
__ testp(rax, rax);
- __ j(not_zero, &done);
+ __ j(not_zero, &done, Label::kNear);
__ PopReturnAddressTo(rbx);
- __ Push(masm->isolate()->factory()->undefined_value());
+ __ PushRoot(Heap::kUndefinedValueRootIndex);
__ PushReturnAddressFrom(rbx);
__ incp(rax);
__ bind(&done);
}
- // 2. Get the function to call (passed as receiver) from the stack, check
- // if it is a function.
- Label slow, non_function;
- StackArgumentsAccessor args(rsp, rax);
- __ movp(rdi, args.GetReceiverOperand());
- __ JumpIfSmi(rdi, &non_function);
- __ CmpObjectType(rdi, JS_FUNCTION_TYPE, rcx);
- __ j(not_equal, &slow);
-
- // 3a. Patch the first argument if necessary when calling a function.
- Label shift_arguments;
- __ Set(rdx, 0); // indicate regular JS_FUNCTION
- { Label convert_to_object, use_global_proxy, patch_receiver;
- // Change context eagerly in case we need the global receiver.
- __ movp(rsi, FieldOperand(rdi, JSFunction::kContextOffset));
-
- // Do not transform the receiver for strict mode functions.
- __ movp(rbx, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset));
- __ testb(FieldOperand(rbx, SharedFunctionInfo::kStrictModeByteOffset),
- Immediate(1 << SharedFunctionInfo::kStrictModeBitWithinByte));
- __ j(not_equal, &shift_arguments);
-
- // Do not transform the receiver for natives.
- // SharedFunctionInfo is already loaded into rbx.
- __ testb(FieldOperand(rbx, SharedFunctionInfo::kNativeByteOffset),
- Immediate(1 << SharedFunctionInfo::kNativeBitWithinByte));
- __ j(not_zero, &shift_arguments);
-
- // Compute the receiver in sloppy mode.
- __ movp(rbx, args.GetArgumentOperand(1));
- __ JumpIfSmi(rbx, &convert_to_object, Label::kNear);
-
- __ CompareRoot(rbx, Heap::kNullValueRootIndex);
- __ j(equal, &use_global_proxy);
- __ CompareRoot(rbx, Heap::kUndefinedValueRootIndex);
- __ j(equal, &use_global_proxy);
-
- STATIC_ASSERT(LAST_SPEC_OBJECT_TYPE == LAST_TYPE);
- __ CmpObjectType(rbx, FIRST_SPEC_OBJECT_TYPE, rcx);
- __ j(above_equal, &shift_arguments);
-
- __ bind(&convert_to_object);
- {
- // Enter an internal frame in order to preserve argument count.
- FrameScope scope(masm, StackFrame::INTERNAL);
- __ Integer32ToSmi(rax, rax);
- __ Push(rax);
-
- __ Push(rbx);
- __ InvokeBuiltin(Builtins::TO_OBJECT, CALL_FUNCTION);
- __ movp(rbx, rax);
- __ Set(rdx, 0); // indicate regular JS_FUNCTION
-
- __ Pop(rax);
- __ SmiToInteger32(rax, rax);
- }
-
- // Restore the function to rdi.
+ // 2. Get the callable to call (passed as receiver) from the stack.
+ {
+ StackArgumentsAccessor args(rsp, rax);
__ movp(rdi, args.GetReceiverOperand());
- __ jmp(&patch_receiver, Label::kNear);
-
- __ bind(&use_global_proxy);
- __ movp(rbx,
- Operand(rsi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
- __ movp(rbx, FieldOperand(rbx, GlobalObject::kGlobalProxyOffset));
-
- __ bind(&patch_receiver);
- __ movp(args.GetArgumentOperand(1), rbx);
-
- __ jmp(&shift_arguments);
}
- // 3b. Check for function proxy.
- __ bind(&slow);
- __ Set(rdx, 1); // indicate function proxy
- __ CmpInstanceType(rcx, JS_FUNCTION_PROXY_TYPE);
- __ j(equal, &shift_arguments);
- __ bind(&non_function);
- __ Set(rdx, 2); // indicate non-function
-
- // 3c. Patch the first argument when calling a non-function. The
- // CALL_NON_FUNCTION builtin expects the non-function callee as
- // receiver, so overwrite the first argument which will ultimately
- // become the receiver.
- __ movp(args.GetArgumentOperand(1), rdi);
-
- // 4. Shift arguments and return address one slot down on the stack
+ // 3. Shift arguments and return address one slot down on the stack
// (overwriting the original receiver). Adjust argument count to make
// the original first argument the new receiver.
- __ bind(&shift_arguments);
- { Label loop;
+ {
+ Label loop;
__ movp(rcx, rax);
StackArgumentsAccessor args(rsp, rcx);
__ bind(&loop);
__ movp(rbx, args.GetArgumentOperand(1));
__ movp(args.GetArgumentOperand(0), rbx);
__ decp(rcx);
- __ j(not_zero, &loop); // While non-zero.
+ __ j(not_zero, &loop); // While non-zero.
__ DropUnderReturnAddress(1, rbx); // Drop one slot under return address.
__ decp(rax); // One fewer argument (first argument is new receiver).
}
- // 5a. Call non-function via tail call to CALL_NON_FUNCTION builtin,
- // or a function proxy via CALL_FUNCTION_PROXY.
- { Label function, non_proxy;
- __ testp(rdx, rdx);
- __ j(zero, &function);
- __ Set(rbx, 0);
- __ cmpp(rdx, Immediate(1));
- __ j(not_equal, &non_proxy);
-
- __ PopReturnAddressTo(rdx);
- __ Push(rdi); // re-add proxy object as additional argument
- __ PushReturnAddressFrom(rdx);
- __ incp(rax);
- __ GetBuiltinEntry(rdx, Builtins::CALL_FUNCTION_PROXY);
- __ jmp(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(),
- RelocInfo::CODE_TARGET);
-
- __ bind(&non_proxy);
- __ GetBuiltinEntry(rdx, Builtins::CALL_NON_FUNCTION);
- __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(),
- RelocInfo::CODE_TARGET);
- __ bind(&function);
- }
-
- // 5b. Get the code to call from the function and check that the number of
- // expected arguments matches what we're providing. If so, jump
- // (tail-call) to the code in register edx without checking arguments.
- __ movp(rdx, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset));
- __ LoadSharedFunctionInfoSpecialField(rbx, rdx,
- SharedFunctionInfo::kFormalParameterCountOffset);
- __ movp(rdx, FieldOperand(rdi, JSFunction::kCodeEntryOffset));
- __ cmpp(rax, rbx);
- __ j(not_equal,
- masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(),
- RelocInfo::CODE_TARGET);
-
- ParameterCount expected(0);
- __ InvokeCode(rdx, expected, expected, JUMP_FUNCTION, NullCallWrapper());
+ // 4. Call the callable.
+ __ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
}
-void Builtins::Generate_FunctionApply(MacroAssembler* masm) {
- // Stack at entry:
- // rsp : return address
- // rsp[8] : arguments
- // rsp[16] : receiver ("this")
- // rsp[24] : function
+void Builtins::Generate_ReflectApply(MacroAssembler* masm) {
+ // ----------- S t a t e -------------
+ // -- rax : argc
+ // -- rsp[0] : return address
+ // -- rsp[8] : argumentsList
+ // -- rsp[16] : thisArgument
+ // -- rsp[24] : target
+ // -- rsp[32] : receiver
+ // -----------------------------------
+
+ // 1. Load target into rdi (if present), argumentsList into rax (if present),
+ // remove all arguments from the stack (including the receiver), and push
+ // thisArgument (if present) instead.
{
- FrameScope frame_scope(masm, StackFrame::INTERNAL);
- // Stack frame:
- // rbp : Old base pointer
- // rbp[8] : return address
- // rbp[16] : function arguments
- // rbp[24] : receiver
- // rbp[32] : function
- static const int kArgumentsOffset = kFPOnStackSize + kPCOnStackSize;
- static const int kReceiverOffset = kArgumentsOffset + kPointerSize;
- static const int kFunctionOffset = kReceiverOffset + kPointerSize;
-
- __ Push(Operand(rbp, kFunctionOffset));
- __ Push(Operand(rbp, kArgumentsOffset));
- __ InvokeBuiltin(Builtins::APPLY_PREPARE, CALL_FUNCTION);
-
- // Check the stack for overflow. We are not trying to catch
- // interruptions (e.g. debug break and preemption) here, so the "real stack
- // limit" is checked.
- Label okay;
- __ LoadRoot(kScratchRegister, Heap::kRealStackLimitRootIndex);
- __ movp(rcx, rsp);
- // Make rcx the space we have left. The stack might already be overflowed
- // here which will cause rcx to become negative.
- __ subp(rcx, kScratchRegister);
- // Make rdx the space we need for the array when it is unrolled onto the
- // stack.
- __ PositiveSmiTimesPowerOfTwoToInteger64(rdx, rax, kPointerSizeLog2);
- // Check if the arguments will overflow the stack.
- __ cmpp(rcx, rdx);
- __ j(greater, &okay); // Signed comparison.
-
- // Out of stack space.
- __ Push(Operand(rbp, kFunctionOffset));
- __ Push(rax);
- __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION);
- __ bind(&okay);
- // End of stack check.
-
- // Push current index and limit.
- const int kLimitOffset =
- StandardFrameConstants::kExpressionsOffset - 1 * kPointerSize;
- const int kIndexOffset = kLimitOffset - 1 * kPointerSize;
- __ Push(rax); // limit
- __ Push(Immediate(0)); // index
-
- // Get the receiver.
- __ movp(rbx, Operand(rbp, kReceiverOffset));
-
- // Check that the function is a JS function (otherwise it must be a proxy).
- Label push_receiver;
- __ movp(rdi, Operand(rbp, kFunctionOffset));
- __ CmpObjectType(rdi, JS_FUNCTION_TYPE, rcx);
- __ j(not_equal, &push_receiver);
-
- // Change context eagerly to get the right global object if necessary.
- __ movp(rsi, FieldOperand(rdi, JSFunction::kContextOffset));
-
- // Do not transform the receiver for strict mode functions.
- Label call_to_object, use_global_proxy;
- __ movp(rdx, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset));
- __ testb(FieldOperand(rdx, SharedFunctionInfo::kStrictModeByteOffset),
- Immediate(1 << SharedFunctionInfo::kStrictModeBitWithinByte));
- __ j(not_equal, &push_receiver);
-
- // Do not transform the receiver for natives.
- __ testb(FieldOperand(rdx, SharedFunctionInfo::kNativeByteOffset),
- Immediate(1 << SharedFunctionInfo::kNativeBitWithinByte));
- __ j(not_equal, &push_receiver);
-
- // Compute the receiver in sloppy mode.
- __ JumpIfSmi(rbx, &call_to_object, Label::kNear);
- __ CompareRoot(rbx, Heap::kNullValueRootIndex);
- __ j(equal, &use_global_proxy);
- __ CompareRoot(rbx, Heap::kUndefinedValueRootIndex);
- __ j(equal, &use_global_proxy);
-
- // If given receiver is already a JavaScript object then there's no
- // reason for converting it.
- STATIC_ASSERT(LAST_SPEC_OBJECT_TYPE == LAST_TYPE);
- __ CmpObjectType(rbx, FIRST_SPEC_OBJECT_TYPE, rcx);
- __ j(above_equal, &push_receiver);
-
- // Convert the receiver to an object.
- __ bind(&call_to_object);
- __ Push(rbx);
- __ InvokeBuiltin(Builtins::TO_OBJECT, CALL_FUNCTION);
- __ movp(rbx, rax);
- __ jmp(&push_receiver, Label::kNear);
-
- __ bind(&use_global_proxy);
- __ movp(rbx,
- Operand(rsi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
- __ movp(rbx, FieldOperand(rbx, GlobalObject::kGlobalProxyOffset));
-
- // Push the receiver.
- __ bind(&push_receiver);
- __ Push(rbx);
-
- // Copy all arguments from the array to the stack.
- Label entry, loop;
- Register receiver = LoadDescriptor::ReceiverRegister();
- Register key = LoadDescriptor::NameRegister();
- __ movp(key, Operand(rbp, kIndexOffset));
- __ jmp(&entry);
- __ bind(&loop);
- __ movp(receiver, Operand(rbp, kArgumentsOffset)); // load arguments
-
- // Use inline caching to speed up access to arguments.
- if (FLAG_vector_ics) {
- // TODO(mvstanton): Vector-based ics need additional infrastructure to
- // be embedded here. For now, just call the runtime.
- __ Push(receiver);
- __ Push(key);
- __ CallRuntime(Runtime::kGetProperty, 2);
- } else {
- Handle<Code> ic = CodeFactory::KeyedLoadIC(masm->isolate()).code();
- __ Call(ic, RelocInfo::CODE_TARGET);
- // It is important that we do not have a test instruction after the
- // call. A test instruction after the call is used to indicate that
- // we have generated an inline version of the keyed load. In this
- // case, we know that we are not generating a test instruction next.
- }
-
- // Push the nth argument.
- __ Push(rax);
-
- // Update the index on the stack and in register key.
- __ movp(key, Operand(rbp, kIndexOffset));
- __ SmiAddConstant(key, key, Smi::FromInt(1));
- __ movp(Operand(rbp, kIndexOffset), key);
-
- __ bind(&entry);
- __ cmpp(key, Operand(rbp, kLimitOffset));
- __ j(not_equal, &loop);
-
- // Call the function.
- Label call_proxy;
- ParameterCount actual(rax);
- __ SmiToInteger32(rax, key);
- __ movp(rdi, Operand(rbp, kFunctionOffset));
- __ CmpObjectType(rdi, JS_FUNCTION_TYPE, rcx);
- __ j(not_equal, &call_proxy);
- __ InvokeFunction(rdi, actual, CALL_FUNCTION, NullCallWrapper());
-
- frame_scope.GenerateLeaveFrame();
- __ ret(3 * kPointerSize); // remove this, receiver, and arguments
-
- // Call the function proxy.
- __ bind(&call_proxy);
- __ Push(rdi); // add function proxy as last argument
- __ incp(rax);
- __ Set(rbx, 0);
- __ GetBuiltinEntry(rdx, Builtins::CALL_FUNCTION_PROXY);
- __ call(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(),
- RelocInfo::CODE_TARGET);
-
- // Leave internal frame.
+ Label done;
+ StackArgumentsAccessor args(rsp, rax);
+ __ LoadRoot(rdi, Heap::kUndefinedValueRootIndex);
+ __ movp(rdx, rdi);
+ __ movp(rbx, rdi);
+ __ cmpp(rax, Immediate(1));
+ __ j(below, &done, Label::kNear);
+ __ movp(rdi, args.GetArgumentOperand(1)); // target
+ __ j(equal, &done, Label::kNear);
+ __ movp(rdx, args.GetArgumentOperand(2)); // thisArgument
+ __ cmpp(rax, Immediate(3));
+ __ j(below, &done, Label::kNear);
+ __ movp(rbx, args.GetArgumentOperand(3)); // argumentsList
+ __ bind(&done);
+ __ PopReturnAddressTo(rcx);
+ __ leap(rsp, Operand(rsp, rax, times_pointer_size, kPointerSize));
+ __ Push(rdx);
+ __ PushReturnAddressFrom(rcx);
+ __ movp(rax, rbx);
}
- __ ret(3 * kPointerSize); // remove this, receiver, and arguments
+
+ // ----------- S t a t e -------------
+ // -- rax : argumentsList
+ // -- rdi : target
+ // -- rsp[0] : return address
+ // -- rsp[8] : thisArgument
+ // -----------------------------------
+
+ // 2. Make sure the target is actually callable.
+ Label target_not_callable;
+ __ JumpIfSmi(rdi, &target_not_callable, Label::kNear);
+ __ movp(rcx, FieldOperand(rdi, HeapObject::kMapOffset));
+ __ testb(FieldOperand(rcx, Map::kBitFieldOffset),
+ Immediate(1 << Map::kIsCallable));
+ __ j(zero, &target_not_callable, Label::kNear);
+
+ // 3a. Apply the target to the given argumentsList (passing undefined for
+ // new.target).
+ __ LoadRoot(rdx, Heap::kUndefinedValueRootIndex);
+ __ Jump(masm->isolate()->builtins()->Apply(), RelocInfo::CODE_TARGET);
+
+ // 3b. The target is not callable, throw an appropriate TypeError.
+ __ bind(&target_not_callable);
+ {
+ StackArgumentsAccessor args(rsp, 0);
+ __ movp(args.GetReceiverOperand(), rdi);
+ __ TailCallRuntime(Runtime::kThrowApplyNonFunction);
+ }
+}
+
+
+void Builtins::Generate_ReflectConstruct(MacroAssembler* masm) {
+ // ----------- S t a t e -------------
+ // -- rax : argc
+ // -- rsp[0] : return address
+ // -- rsp[8] : new.target (optional)
+ // -- rsp[16] : argumentsList
+ // -- rsp[24] : target
+ // -- rsp[32] : receiver
+ // -----------------------------------
+
+ // 1. Load target into rdi (if present), argumentsList into rax (if present),
+ // new.target into rdx (if present, otherwise use target), remove all
+ // arguments from the stack (including the receiver), and push thisArgument
+ // (if present) instead.
+ {
+ Label done;
+ StackArgumentsAccessor args(rsp, rax);
+ __ LoadRoot(rdi, Heap::kUndefinedValueRootIndex);
+ __ movp(rdx, rdi);
+ __ movp(rbx, rdi);
+ __ cmpp(rax, Immediate(1));
+ __ j(below, &done, Label::kNear);
+ __ movp(rdi, args.GetArgumentOperand(1)); // target
+ __ movp(rdx, rdi); // new.target defaults to target
+ __ j(equal, &done, Label::kNear);
+ __ movp(rbx, args.GetArgumentOperand(2)); // argumentsList
+ __ cmpp(rax, Immediate(3));
+ __ j(below, &done, Label::kNear);
+ __ movp(rdx, args.GetArgumentOperand(3)); // new.target
+ __ bind(&done);
+ __ PopReturnAddressTo(rcx);
+ __ leap(rsp, Operand(rsp, rax, times_pointer_size, kPointerSize));
+ __ PushRoot(Heap::kUndefinedValueRootIndex);
+ __ PushReturnAddressFrom(rcx);
+ __ movp(rax, rbx);
+ }
+
+ // ----------- S t a t e -------------
+ // -- rax : argumentsList
+ // -- rdx : new.target
+ // -- rdi : target
+ // -- rsp[0] : return address
+ // -- rsp[8] : receiver (undefined)
+ // -----------------------------------
+
+ // 2. Make sure the target is actually a constructor.
+ Label target_not_constructor;
+ __ JumpIfSmi(rdi, &target_not_constructor, Label::kNear);
+ __ movp(rcx, FieldOperand(rdi, HeapObject::kMapOffset));
+ __ testb(FieldOperand(rcx, Map::kBitFieldOffset),
+ Immediate(1 << Map::kIsConstructor));
+ __ j(zero, &target_not_constructor, Label::kNear);
+
+ // 3. Make sure the target is actually a constructor.
+ Label new_target_not_constructor;
+ __ JumpIfSmi(rdx, &new_target_not_constructor, Label::kNear);
+ __ movp(rcx, FieldOperand(rdx, HeapObject::kMapOffset));
+ __ testb(FieldOperand(rcx, Map::kBitFieldOffset),
+ Immediate(1 << Map::kIsConstructor));
+ __ j(zero, &new_target_not_constructor, Label::kNear);
+
+ // 4a. Construct the target with the given new.target and argumentsList.
+ __ Jump(masm->isolate()->builtins()->Apply(), RelocInfo::CODE_TARGET);
+
+ // 4b. The target is not a constructor, throw an appropriate TypeError.
+ __ bind(&target_not_constructor);
+ {
+ StackArgumentsAccessor args(rsp, 0);
+ __ movp(args.GetReceiverOperand(), rdi);
+ __ TailCallRuntime(Runtime::kThrowCalledNonCallable);
+ }
+
+ // 4c. The new.target is not a constructor, throw an appropriate TypeError.
+ __ bind(&new_target_not_constructor);
+ {
+ StackArgumentsAccessor args(rsp, 0);
+ __ movp(args.GetReceiverOperand(), rdx);
+ __ TailCallRuntime(Runtime::kThrowCalledNonCallable);
+ }
}
@@ -1135,7 +1390,7 @@
Label generic_array_code;
// Get the InternalArray function.
- __ LoadGlobalFunction(Context::INTERNAL_ARRAY_FUNCTION_INDEX, rdi);
+ __ LoadNativeContextSlot(Context::INTERNAL_ARRAY_FUNCTION_INDEX, rdi);
if (FLAG_debug_code) {
// Initial map for the builtin InternalArray functions should be maps.
@@ -1165,7 +1420,7 @@
Label generic_array_code;
// Get the Array function.
- __ LoadGlobalFunction(Context::ARRAY_FUNCTION_INDEX, rdi);
+ __ LoadNativeContextSlot(Context::ARRAY_FUNCTION_INDEX, rdi);
if (FLAG_debug_code) {
// Initial map for the builtin Array functions should be maps.
@@ -1178,6 +1433,7 @@
__ Check(equal, kUnexpectedInitialMapForArrayFunction);
}
+ __ movp(rdx, rdi);
// Run the native code for the Array function called as a normal function.
// tail call a stub
__ LoadRoot(rbx, Heap::kUndefinedValueRootIndex);
@@ -1186,7 +1442,8 @@
}
-void Builtins::Generate_StringConstructCode(MacroAssembler* masm) {
+// static
+void Builtins::Generate_NumberConstructor(MacroAssembler* masm) {
// ----------- S t a t e -------------
// -- rax : number of arguments
// -- rdi : constructor function
@@ -1194,121 +1451,239 @@
// -- rsp[(argc - n) * 8] : arg[n] (zero-based)
// -- rsp[(argc + 1) * 8] : receiver
// -----------------------------------
- Counters* counters = masm->isolate()->counters();
- __ IncrementCounter(counters->string_ctor_calls(), 1);
- if (FLAG_debug_code) {
- __ LoadGlobalFunction(Context::STRING_FUNCTION_INDEX, rcx);
- __ cmpp(rdi, rcx);
- __ Assert(equal, kUnexpectedStringFunction);
+ // 1. Load the first argument into rax and get rid of the rest (including the
+ // receiver).
+ Label no_arguments;
+ {
+ StackArgumentsAccessor args(rsp, rax);
+ __ testp(rax, rax);
+ __ j(zero, &no_arguments, Label::kNear);
+ __ movp(rbx, args.GetArgumentOperand(1));
+ __ PopReturnAddressTo(rcx);
+ __ leap(rsp, Operand(rsp, rax, times_pointer_size, kPointerSize));
+ __ PushReturnAddressFrom(rcx);
+ __ movp(rax, rbx);
}
- // Load the first argument into rax and get rid of the rest
- // (including the receiver).
- StackArgumentsAccessor args(rsp, rax);
- Label no_arguments;
- __ testp(rax, rax);
- __ j(zero, &no_arguments);
- __ movp(rbx, args.GetArgumentOperand(1));
- __ PopReturnAddressTo(rcx);
- __ leap(rsp, Operand(rsp, rax, times_pointer_size, kPointerSize));
- __ PushReturnAddressFrom(rcx);
- __ movp(rax, rbx);
+ // 2a. Convert the first argument to a number.
+ ToNumberStub stub(masm->isolate());
+ __ TailCallStub(&stub);
- // Lookup the argument in the number to string cache.
- Label not_cached, argument_is_string;
- __ LookupNumberStringCache(rax, // Input.
- rbx, // Result.
- rcx, // Scratch 1.
- rdx, // Scratch 2.
- ¬_cached);
- __ IncrementCounter(counters->string_ctor_cached_number(), 1);
- __ bind(&argument_is_string);
+ // 2b. No arguments, return +0 (already in rax).
+ __ bind(&no_arguments);
+ __ ret(1 * kPointerSize);
+}
+
+// static
+void Builtins::Generate_NumberConstructor_ConstructStub(MacroAssembler* masm) {
// ----------- S t a t e -------------
- // -- rbx : argument converted to string
- // -- rdi : constructor function
- // -- rsp[0] : return address
+ // -- rax : number of arguments
+ // -- rdi : constructor function
+ // -- rdx : new target
+ // -- rsp[0] : return address
+ // -- rsp[(argc - n) * 8] : arg[n] (zero-based)
+ // -- rsp[(argc + 1) * 8] : receiver
// -----------------------------------
- // Allocate a JSValue and put the tagged pointer into rax.
- Label gc_required;
- __ Allocate(JSValue::kSize,
- rax, // Result.
- rcx, // New allocation top (we ignore it).
- no_reg,
- &gc_required,
- TAG_OBJECT);
+ // 1. Make sure we operate in the context of the called function.
+ __ movp(rsi, FieldOperand(rdi, JSFunction::kContextOffset));
- // Set the map.
- __ LoadGlobalFunctionInitialMap(rdi, rcx);
- if (FLAG_debug_code) {
- __ cmpb(FieldOperand(rcx, Map::kInstanceSizeOffset),
- Immediate(JSValue::kSize >> kPointerSizeLog2));
- __ Assert(equal, kUnexpectedStringWrapperInstanceSize);
- __ cmpb(FieldOperand(rcx, Map::kUnusedPropertyFieldsOffset), Immediate(0));
- __ Assert(equal, kUnexpectedUnusedPropertiesOfStringWrapper);
+ // 2. Load the first argument into rbx and get rid of the rest (including the
+ // receiver).
+ {
+ StackArgumentsAccessor args(rsp, rax);
+ Label no_arguments, done;
+ __ testp(rax, rax);
+ __ j(zero, &no_arguments, Label::kNear);
+ __ movp(rbx, args.GetArgumentOperand(1));
+ __ jmp(&done, Label::kNear);
+ __ bind(&no_arguments);
+ __ Move(rbx, Smi::FromInt(0));
+ __ bind(&done);
+ __ PopReturnAddressTo(rcx);
+ __ leap(rsp, Operand(rsp, rax, times_pointer_size, kPointerSize));
+ __ PushReturnAddressFrom(rcx);
}
- __ movp(FieldOperand(rax, HeapObject::kMapOffset), rcx);
- // Set properties and elements.
- __ LoadRoot(rcx, Heap::kEmptyFixedArrayRootIndex);
- __ movp(FieldOperand(rax, JSObject::kPropertiesOffset), rcx);
- __ movp(FieldOperand(rax, JSObject::kElementsOffset), rcx);
+ // 3. Make sure rbx is a number.
+ {
+ Label done_convert;
+ __ JumpIfSmi(rbx, &done_convert);
+ __ CompareRoot(FieldOperand(rbx, HeapObject::kMapOffset),
+ Heap::kHeapNumberMapRootIndex);
+ __ j(equal, &done_convert);
+ {
+ FrameScope scope(masm, StackFrame::INTERNAL);
+ __ Push(rdx);
+ __ Push(rdi);
+ __ Move(rax, rbx);
+ ToNumberStub stub(masm->isolate());
+ __ CallStub(&stub);
+ __ Move(rbx, rax);
+ __ Pop(rdi);
+ __ Pop(rdx);
+ }
+ __ bind(&done_convert);
+ }
- // Set the value.
- __ movp(FieldOperand(rax, JSValue::kValueOffset), rbx);
+ // 4. Check if new target and constructor differ.
+ Label new_object;
+ __ cmpp(rdx, rdi);
+ __ j(not_equal, &new_object);
- // Ensure the object is fully initialized.
- STATIC_ASSERT(JSValue::kSize == 4 * kPointerSize);
+ // 5. Allocate a JSValue wrapper for the number.
+ __ AllocateJSValue(rax, rdi, rbx, rcx, &new_object);
+ __ Ret();
- // We're done. Return.
- __ ret(0);
-
- // The argument was not found in the number to string cache. Check
- // if it's a string already before calling the conversion builtin.
- Label convert_argument;
- __ bind(¬_cached);
- STATIC_ASSERT(kSmiTag == 0);
- __ JumpIfSmi(rax, &convert_argument);
- Condition is_string = masm->IsObjectStringType(rax, rbx, rcx);
- __ j(NegateCondition(is_string), &convert_argument);
- __ movp(rbx, rax);
- __ IncrementCounter(counters->string_ctor_string_value(), 1);
- __ jmp(&argument_is_string);
-
- // Invoke the conversion builtin and put the result into rbx.
- __ bind(&convert_argument);
- __ IncrementCounter(counters->string_ctor_conversions(), 1);
+ // 6. Fallback to the runtime to create new object.
+ __ bind(&new_object);
{
FrameScope scope(masm, StackFrame::INTERNAL);
- __ Push(rdi); // Preserve the function.
- __ Push(rax);
- __ InvokeBuiltin(Builtins::TO_STRING, CALL_FUNCTION);
- __ Pop(rdi);
+ __ Push(rbx); // the first argument
+ __ Push(rdi); // constructor function
+ __ Push(rdx); // new target
+ __ CallRuntime(Runtime::kNewObject);
+ __ Pop(FieldOperand(rax, JSValue::kValueOffset));
}
- __ movp(rbx, rax);
- __ jmp(&argument_is_string);
+ __ Ret();
+}
- // Load the empty string into rbx, remove the receiver from the
- // stack, and jump back to the case where the argument is a string.
+
+// static
+void Builtins::Generate_StringConstructor(MacroAssembler* masm) {
+ // ----------- S t a t e -------------
+ // -- rax : number of arguments
+ // -- rdi : constructor function
+ // -- rsp[0] : return address
+ // -- rsp[(argc - n) * 8] : arg[n] (zero-based)
+ // -- rsp[(argc + 1) * 8] : receiver
+ // -----------------------------------
+
+ // 1. Load the first argument into rax and get rid of the rest (including the
+ // receiver).
+ Label no_arguments;
+ {
+ StackArgumentsAccessor args(rsp, rax);
+ __ testp(rax, rax);
+ __ j(zero, &no_arguments, Label::kNear);
+ __ movp(rbx, args.GetArgumentOperand(1));
+ __ PopReturnAddressTo(rcx);
+ __ leap(rsp, Operand(rsp, rax, times_pointer_size, kPointerSize));
+ __ PushReturnAddressFrom(rcx);
+ __ movp(rax, rbx);
+ }
+
+ // 2a. At least one argument, return rax if it's a string, otherwise
+ // dispatch to appropriate conversion.
+ Label to_string, symbol_descriptive_string;
+ {
+ __ JumpIfSmi(rax, &to_string, Label::kNear);
+ STATIC_ASSERT(FIRST_NONSTRING_TYPE == SYMBOL_TYPE);
+ __ CmpObjectType(rax, FIRST_NONSTRING_TYPE, rdx);
+ __ j(above, &to_string, Label::kNear);
+ __ j(equal, &symbol_descriptive_string, Label::kNear);
+ __ Ret();
+ }
+
+ // 2b. No arguments, return the empty string (and pop the receiver).
__ bind(&no_arguments);
- __ LoadRoot(rbx, Heap::kempty_stringRootIndex);
- __ PopReturnAddressTo(rcx);
- __ leap(rsp, Operand(rsp, kPointerSize));
- __ PushReturnAddressFrom(rcx);
- __ jmp(&argument_is_string);
+ {
+ __ LoadRoot(rax, Heap::kempty_stringRootIndex);
+ __ ret(1 * kPointerSize);
+ }
- // At this point the argument is already a string. Call runtime to
- // create a string wrapper.
- __ bind(&gc_required);
- __ IncrementCounter(counters->string_ctor_gc_required(), 1);
+ // 3a. Convert rax to a string.
+ __ bind(&to_string);
+ {
+ ToStringStub stub(masm->isolate());
+ __ TailCallStub(&stub);
+ }
+
+ // 3b. Convert symbol in rax to a string.
+ __ bind(&symbol_descriptive_string);
+ {
+ __ PopReturnAddressTo(rcx);
+ __ Push(rax);
+ __ PushReturnAddressFrom(rcx);
+ __ TailCallRuntime(Runtime::kSymbolDescriptiveString);
+ }
+}
+
+
+// static
+void Builtins::Generate_StringConstructor_ConstructStub(MacroAssembler* masm) {
+ // ----------- S t a t e -------------
+ // -- rax : number of arguments
+ // -- rdi : constructor function
+ // -- rdx : new target
+ // -- rsp[0] : return address
+ // -- rsp[(argc - n) * 8] : arg[n] (zero-based)
+ // -- rsp[(argc + 1) * 8] : receiver
+ // -----------------------------------
+
+ // 1. Make sure we operate in the context of the called function.
+ __ movp(rsi, FieldOperand(rdi, JSFunction::kContextOffset));
+
+ // 2. Load the first argument into rbx and get rid of the rest (including the
+ // receiver).
+ {
+ StackArgumentsAccessor args(rsp, rax);
+ Label no_arguments, done;
+ __ testp(rax, rax);
+ __ j(zero, &no_arguments, Label::kNear);
+ __ movp(rbx, args.GetArgumentOperand(1));
+ __ jmp(&done, Label::kNear);
+ __ bind(&no_arguments);
+ __ LoadRoot(rbx, Heap::kempty_stringRootIndex);
+ __ bind(&done);
+ __ PopReturnAddressTo(rcx);
+ __ leap(rsp, Operand(rsp, rax, times_pointer_size, kPointerSize));
+ __ PushReturnAddressFrom(rcx);
+ }
+
+ // 3. Make sure rbx is a string.
+ {
+ Label convert, done_convert;
+ __ JumpIfSmi(rbx, &convert, Label::kNear);
+ __ CmpObjectType(rbx, FIRST_NONSTRING_TYPE, rcx);
+ __ j(below, &done_convert);
+ __ bind(&convert);
+ {
+ FrameScope scope(masm, StackFrame::INTERNAL);
+ ToStringStub stub(masm->isolate());
+ __ Push(rdx);
+ __ Push(rdi);
+ __ Move(rax, rbx);
+ __ CallStub(&stub);
+ __ Move(rbx, rax);
+ __ Pop(rdi);
+ __ Pop(rdx);
+ }
+ __ bind(&done_convert);
+ }
+
+ // 4. Check if new target and constructor differ.
+ Label new_object;
+ __ cmpp(rdx, rdi);
+ __ j(not_equal, &new_object);
+
+ // 5. Allocate a JSValue wrapper for the string.
+ __ AllocateJSValue(rax, rdi, rbx, rcx, &new_object);
+ __ Ret();
+
+ // 6. Fallback to the runtime to create new object.
+ __ bind(&new_object);
{
FrameScope scope(masm, StackFrame::INTERNAL);
- __ Push(rbx);
- __ CallRuntime(Runtime::kNewStringWrapper, 1);
+ __ Push(rbx); // the first argument
+ __ Push(rdi); // constructor function
+ __ Push(rdx); // new target
+ __ CallRuntime(Runtime::kNewObject);
+ __ Pop(FieldOperand(rax, JSValue::kValueOffset));
}
- __ ret(0);
+ __ Ret();
}
@@ -1317,23 +1692,24 @@
// ----------- S t a t e -------------
// -- rax : actual number of arguments
// -- rbx : expected number of arguments
- // -- rdi: function (passed through to callee)
+ // -- rdx : new target (passed through to callee)
+ // -- rdi : function (passed through to callee)
// -----------------------------------
// Check the stack for overflow. We are not trying to catch
// interruptions (e.g. debug break and preemption) here, so the "real stack
// limit" is checked.
Label okay;
- __ LoadRoot(rdx, Heap::kRealStackLimitRootIndex);
+ __ LoadRoot(r8, Heap::kRealStackLimitRootIndex);
__ movp(rcx, rsp);
// Make rcx the space we have left. The stack might already be overflowed
// here which will cause rcx to become negative.
- __ subp(rcx, rdx);
- // Make rdx the space we need for the array when it is unrolled onto the
+ __ subp(rcx, r8);
+ // Make r8 the space we need for the array when it is unrolled onto the
// stack.
- __ movp(rdx, rbx);
- __ shlp(rdx, Immediate(kPointerSizeLog2));
+ __ movp(r8, rbx);
+ __ shlp(r8, Immediate(kPointerSizeLog2));
// Check if the arguments will overflow the stack.
- __ cmpp(rcx, rdx);
+ __ cmpp(rcx, r8);
__ j(less_equal, stack_overflow); // Signed comparison.
}
@@ -1376,18 +1752,15 @@
// ----------- S t a t e -------------
// -- rax : actual number of arguments
// -- rbx : expected number of arguments
- // -- rdi: function (passed through to callee)
+ // -- rdx : new target (passed through to callee)
+ // -- rdi : function (passed through to callee)
// -----------------------------------
- Label invoke, dont_adapt_arguments;
+ Label invoke, dont_adapt_arguments, stack_overflow;
Counters* counters = masm->isolate()->counters();
__ IncrementCounter(counters->arguments_adaptors(), 1);
- Label stack_overflow;
- ArgumentsAdaptorStackCheck(masm, &stack_overflow);
-
Label enough, too_few;
- __ movp(rdx, FieldOperand(rdi, JSFunction::kCodeEntryOffset));
__ cmpp(rax, rbx);
__ j(less, &too_few);
__ cmpp(rbx, Immediate(SharedFunctionInfo::kDontAdaptArgumentsSentinel));
@@ -1396,6 +1769,7 @@
{ // Enough parameters: Actual >= expected.
__ bind(&enough);
EnterArgumentsAdaptorFrame(masm);
+ ArgumentsAdaptorStackCheck(masm, &stack_overflow);
// Copy receiver and all expected arguments.
const int offset = StandardFrameConstants::kCallerSPOffset;
@@ -1414,7 +1788,43 @@
{ // Too few parameters: Actual < expected.
__ bind(&too_few);
+
+ // If the function is strong we need to throw an error.
+ Label no_strong_error;
+ __ movp(kScratchRegister,
+ FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset));
+ __ testb(FieldOperand(kScratchRegister,
+ SharedFunctionInfo::kStrongModeByteOffset),
+ Immediate(1 << SharedFunctionInfo::kStrongModeBitWithinByte));
+ __ j(equal, &no_strong_error, Label::kNear);
+
+ // What we really care about is the required number of arguments.
+
+ if (kPointerSize == kInt32Size) {
+ __ movp(
+ kScratchRegister,
+ FieldOperand(kScratchRegister, SharedFunctionInfo::kLengthOffset));
+ __ SmiToInteger32(kScratchRegister, kScratchRegister);
+ } else {
+ // See comment near kLengthOffset in src/objects.h
+ __ movsxlq(
+ kScratchRegister,
+ FieldOperand(kScratchRegister, SharedFunctionInfo::kLengthOffset));
+ __ shrq(kScratchRegister, Immediate(1));
+ }
+
+ __ cmpp(rax, kScratchRegister);
+ __ j(greater_equal, &no_strong_error, Label::kNear);
+
+ {
+ FrameScope frame(masm, StackFrame::MANUAL);
+ EnterArgumentsAdaptorFrame(masm);
+ __ CallRuntime(Runtime::kThrowStrongModeTooFewArguments);
+ }
+
+ __ bind(&no_strong_error);
EnterArgumentsAdaptorFrame(masm);
+ ArgumentsAdaptorStackCheck(masm, &stack_overflow);
// Copy receiver and all actual arguments.
const int offset = StandardFrameConstants::kCallerSPOffset;
@@ -1444,7 +1854,12 @@
// Call the entry point.
__ bind(&invoke);
- __ call(rdx);
+ __ movp(rax, rbx);
+ // rax : expected number of arguments
+ // rdx : new target (passed through to callee)
+ // rdi : function (passed through to callee)
+ __ movp(rcx, FieldOperand(rdi, JSFunction::kCodeEntryOffset));
+ __ call(rcx);
// Store offset of return address for deoptimizer.
masm->isolate()->heap()->SetArgumentsAdaptorDeoptPCOffset(masm->pc_offset());
@@ -1457,18 +1872,666 @@
// Dont adapt arguments.
// -------------------------------------------
__ bind(&dont_adapt_arguments);
- __ jmp(rdx);
+ __ movp(rcx, FieldOperand(rdi, JSFunction::kCodeEntryOffset));
+ __ jmp(rcx);
__ bind(&stack_overflow);
{
FrameScope frame(masm, StackFrame::MANUAL);
- EnterArgumentsAdaptorFrame(masm);
- __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION);
+ __ CallRuntime(Runtime::kThrowStackOverflow);
__ int3();
}
}
+// static
+void Builtins::Generate_Apply(MacroAssembler* masm) {
+ // ----------- S t a t e -------------
+ // -- rax : argumentsList
+ // -- rdi : target
+ // -- rdx : new.target (checked to be constructor or undefined)
+ // -- rsp[0] : return address.
+ // -- rsp[8] : thisArgument
+ // -----------------------------------
+
+ // Create the list of arguments from the array-like argumentsList.
+ {
+ Label create_arguments, create_array, create_runtime, done_create;
+ __ JumpIfSmi(rax, &create_runtime);
+
+ // Load the map of argumentsList into rcx.
+ __ movp(rcx, FieldOperand(rax, HeapObject::kMapOffset));
+
+ // Load native context into rbx.
+ __ movp(rbx, NativeContextOperand());
+
+ // Check if argumentsList is an (unmodified) arguments object.
+ __ cmpp(rcx, ContextOperand(rbx, Context::SLOPPY_ARGUMENTS_MAP_INDEX));
+ __ j(equal, &create_arguments);
+ __ cmpp(rcx, ContextOperand(rbx, Context::STRICT_ARGUMENTS_MAP_INDEX));
+ __ j(equal, &create_arguments);
+
+ // Check if argumentsList is a fast JSArray.
+ __ CmpInstanceType(rcx, JS_ARRAY_TYPE);
+ __ j(equal, &create_array);
+
+ // Ask the runtime to create the list (actually a FixedArray).
+ __ bind(&create_runtime);
+ {
+ FrameScope scope(masm, StackFrame::INTERNAL);
+ __ Push(rdi);
+ __ Push(rdx);
+ __ Push(rax);
+ __ CallRuntime(Runtime::kCreateListFromArrayLike);
+ __ Pop(rdx);
+ __ Pop(rdi);
+ __ SmiToInteger32(rbx, FieldOperand(rax, FixedArray::kLengthOffset));
+ }
+ __ jmp(&done_create);
+
+ // Try to create the list from an arguments object.
+ __ bind(&create_arguments);
+ __ movp(rbx,
+ FieldOperand(rax, JSObject::kHeaderSize +
+ Heap::kArgumentsLengthIndex * kPointerSize));
+ __ movp(rcx, FieldOperand(rax, JSObject::kElementsOffset));
+ __ cmpp(rbx, FieldOperand(rcx, FixedArray::kLengthOffset));
+ __ j(not_equal, &create_runtime);
+ __ SmiToInteger32(rbx, rbx);
+ __ movp(rax, rcx);
+ __ jmp(&done_create);
+
+ // Try to create the list from a JSArray object.
+ __ bind(&create_array);
+ __ movzxbp(rcx, FieldOperand(rcx, Map::kBitField2Offset));
+ __ DecodeField<Map::ElementsKindBits>(rcx);
+ STATIC_ASSERT(FAST_SMI_ELEMENTS == 0);
+ STATIC_ASSERT(FAST_HOLEY_SMI_ELEMENTS == 1);
+ STATIC_ASSERT(FAST_ELEMENTS == 2);
+ __ cmpl(rcx, Immediate(FAST_ELEMENTS));
+ __ j(above, &create_runtime);
+ __ cmpl(rcx, Immediate(FAST_HOLEY_SMI_ELEMENTS));
+ __ j(equal, &create_runtime);
+ __ SmiToInteger32(rbx, FieldOperand(rax, JSArray::kLengthOffset));
+ __ movp(rax, FieldOperand(rax, JSArray::kElementsOffset));
+
+ __ bind(&done_create);
+ }
+
+ // Check for stack overflow.
+ {
+ // Check the stack for overflow. We are not trying to catch interruptions
+ // (i.e. debug break and preemption) here, so check the "real stack limit".
+ Label done;
+ __ LoadRoot(kScratchRegister, Heap::kRealStackLimitRootIndex);
+ __ movp(rcx, rsp);
+ // Make rcx the space we have left. The stack might already be overflowed
+ // here which will cause rcx to become negative.
+ __ subp(rcx, kScratchRegister);
+ __ sarp(rcx, Immediate(kPointerSizeLog2));
+ // Check if the arguments will overflow the stack.
+ __ cmpp(rcx, rbx);
+ __ j(greater, &done, Label::kNear); // Signed comparison.
+ __ TailCallRuntime(Runtime::kThrowStackOverflow);
+ __ bind(&done);
+ }
+
+ // ----------- S t a t e -------------
+ // -- rdi : target
+ // -- rax : args (a FixedArray built from argumentsList)
+ // -- rbx : len (number of elements to push from args)
+ // -- rdx : new.target (checked to be constructor or undefined)
+ // -- rsp[0] : return address.
+ // -- rsp[8] : thisArgument
+ // -----------------------------------
+
+ // Push arguments onto the stack (thisArgument is already on the stack).
+ {
+ __ PopReturnAddressTo(r8);
+ __ Set(rcx, 0);
+ Label done, loop;
+ __ bind(&loop);
+ __ cmpl(rcx, rbx);
+ __ j(equal, &done, Label::kNear);
+ __ Push(
+ FieldOperand(rax, rcx, times_pointer_size, FixedArray::kHeaderSize));
+ __ incl(rcx);
+ __ jmp(&loop);
+ __ bind(&done);
+ __ PushReturnAddressFrom(r8);
+ __ Move(rax, rcx);
+ }
+
+ // Dispatch to Call or Construct depending on whether new.target is undefined.
+ {
+ __ CompareRoot(rdx, Heap::kUndefinedValueRootIndex);
+ __ j(equal, masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
+ __ Jump(masm->isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET);
+ }
+}
+
+
+// static
+void Builtins::Generate_CallFunction(MacroAssembler* masm,
+ ConvertReceiverMode mode) {
+ // ----------- S t a t e -------------
+ // -- rax : the number of arguments (not including the receiver)
+ // -- rdi : the function to call (checked to be a JSFunction)
+ // -----------------------------------
+ StackArgumentsAccessor args(rsp, rax);
+ __ AssertFunction(rdi);
+
+ // ES6 section 9.2.1 [[Call]] ( thisArgument, argumentsList)
+ // Check that the function is not a "classConstructor".
+ Label class_constructor;
+ __ movp(rdx, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset));
+ __ testb(FieldOperand(rdx, SharedFunctionInfo::kFunctionKindByteOffset),
+ Immediate(SharedFunctionInfo::kClassConstructorBitsWithinByte));
+ __ j(not_zero, &class_constructor);
+
+ // ----------- S t a t e -------------
+ // -- rax : the number of arguments (not including the receiver)
+ // -- rdx : the shared function info.
+ // -- rdi : the function to call (checked to be a JSFunction)
+ // -----------------------------------
+
+ // Enter the context of the function; ToObject has to run in the function
+ // context, and we also need to take the global proxy from the function
+ // context in case of conversion.
+ STATIC_ASSERT(SharedFunctionInfo::kNativeByteOffset ==
+ SharedFunctionInfo::kStrictModeByteOffset);
+ __ movp(rsi, FieldOperand(rdi, JSFunction::kContextOffset));
+ // We need to convert the receiver for non-native sloppy mode functions.
+ Label done_convert;
+ __ testb(FieldOperand(rdx, SharedFunctionInfo::kNativeByteOffset),
+ Immediate((1 << SharedFunctionInfo::kNativeBitWithinByte) |
+ (1 << SharedFunctionInfo::kStrictModeBitWithinByte)));
+ __ j(not_zero, &done_convert);
+ {
+ // ----------- S t a t e -------------
+ // -- rax : the number of arguments (not including the receiver)
+ // -- rdx : the shared function info.
+ // -- rdi : the function to call (checked to be a JSFunction)
+ // -- rsi : the function context.
+ // -----------------------------------
+
+ if (mode == ConvertReceiverMode::kNullOrUndefined) {
+ // Patch receiver to global proxy.
+ __ LoadGlobalProxy(rcx);
+ } else {
+ Label convert_to_object, convert_receiver;
+ __ movp(rcx, args.GetReceiverOperand());
+ __ JumpIfSmi(rcx, &convert_to_object, Label::kNear);
+ STATIC_ASSERT(LAST_JS_RECEIVER_TYPE == LAST_TYPE);
+ __ CmpObjectType(rcx, FIRST_JS_RECEIVER_TYPE, rbx);
+ __ j(above_equal, &done_convert);
+ if (mode != ConvertReceiverMode::kNotNullOrUndefined) {
+ Label convert_global_proxy;
+ __ JumpIfRoot(rcx, Heap::kUndefinedValueRootIndex,
+ &convert_global_proxy, Label::kNear);
+ __ JumpIfNotRoot(rcx, Heap::kNullValueRootIndex, &convert_to_object,
+ Label::kNear);
+ __ bind(&convert_global_proxy);
+ {
+ // Patch receiver to global proxy.
+ __ LoadGlobalProxy(rcx);
+ }
+ __ jmp(&convert_receiver);
+ }
+ __ bind(&convert_to_object);
+ {
+ // Convert receiver using ToObject.
+ // TODO(bmeurer): Inline the allocation here to avoid building the frame
+ // in the fast case? (fall back to AllocateInNewSpace?)
+ FrameScope scope(masm, StackFrame::INTERNAL);
+ __ Integer32ToSmi(rax, rax);
+ __ Push(rax);
+ __ Push(rdi);
+ __ movp(rax, rcx);
+ ToObjectStub stub(masm->isolate());
+ __ CallStub(&stub);
+ __ movp(rcx, rax);
+ __ Pop(rdi);
+ __ Pop(rax);
+ __ SmiToInteger32(rax, rax);
+ }
+ __ movp(rdx, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset));
+ __ bind(&convert_receiver);
+ }
+ __ movp(args.GetReceiverOperand(), rcx);
+ }
+ __ bind(&done_convert);
+
+ // ----------- S t a t e -------------
+ // -- rax : the number of arguments (not including the receiver)
+ // -- rdx : the shared function info.
+ // -- rdi : the function to call (checked to be a JSFunction)
+ // -- rsi : the function context.
+ // -----------------------------------
+
+ __ LoadSharedFunctionInfoSpecialField(
+ rbx, rdx, SharedFunctionInfo::kFormalParameterCountOffset);
+ ParameterCount actual(rax);
+ ParameterCount expected(rbx);
+
+ __ InvokeFunctionCode(rdi, no_reg, expected, actual, JUMP_FUNCTION,
+ CheckDebugStepCallWrapper());
+
+ // The function is a "classConstructor", need to raise an exception.
+ __ bind(&class_constructor);
+ {
+ FrameScope frame(masm, StackFrame::INTERNAL);
+ __ Push(rdi);
+ __ CallRuntime(Runtime::kThrowConstructorNonCallableError);
+ }
+}
+
+
+namespace {
+
+void Generate_PushBoundArguments(MacroAssembler* masm) {
+ // ----------- S t a t e -------------
+ // -- rax : the number of arguments (not including the receiver)
+ // -- rdx : new.target (only in case of [[Construct]])
+ // -- rdi : target (checked to be a JSBoundFunction)
+ // -----------------------------------
+
+ // Load [[BoundArguments]] into rcx and length of that into rbx.
+ Label no_bound_arguments;
+ __ movp(rcx, FieldOperand(rdi, JSBoundFunction::kBoundArgumentsOffset));
+ __ SmiToInteger32(rbx, FieldOperand(rcx, FixedArray::kLengthOffset));
+ __ testl(rbx, rbx);
+ __ j(zero, &no_bound_arguments);
+ {
+ // ----------- S t a t e -------------
+ // -- rax : the number of arguments (not including the receiver)
+ // -- rdx : new.target (only in case of [[Construct]])
+ // -- rdi : target (checked to be a JSBoundFunction)
+ // -- rcx : the [[BoundArguments]] (implemented as FixedArray)
+ // -- rbx : the number of [[BoundArguments]] (checked to be non-zero)
+ // -----------------------------------
+
+ // Reserve stack space for the [[BoundArguments]].
+ {
+ Label done;
+ __ leap(kScratchRegister, Operand(rbx, times_pointer_size, 0));
+ __ subp(rsp, kScratchRegister);
+ // Check the stack for overflow. We are not trying to catch interruptions
+ // (i.e. debug break and preemption) here, so check the "real stack
+ // limit".
+ __ CompareRoot(rsp, Heap::kRealStackLimitRootIndex);
+ __ j(greater, &done, Label::kNear); // Signed comparison.
+ // Restore the stack pointer.
+ __ leap(rsp, Operand(rsp, rbx, times_pointer_size, 0));
+ {
+ FrameScope scope(masm, StackFrame::MANUAL);
+ __ EnterFrame(StackFrame::INTERNAL);
+ __ CallRuntime(Runtime::kThrowStackOverflow);
+ }
+ __ bind(&done);
+ }
+
+ // Adjust effective number of arguments to include return address.
+ __ incl(rax);
+
+ // Relocate arguments and return address down the stack.
+ {
+ Label loop;
+ __ Set(rcx, 0);
+ __ leap(rbx, Operand(rsp, rbx, times_pointer_size, 0));
+ __ bind(&loop);
+ __ movp(kScratchRegister, Operand(rbx, rcx, times_pointer_size, 0));
+ __ movp(Operand(rsp, rcx, times_pointer_size, 0), kScratchRegister);
+ __ incl(rcx);
+ __ cmpl(rcx, rax);
+ __ j(less, &loop);
+ }
+
+ // Copy [[BoundArguments]] to the stack (below the arguments).
+ {
+ Label loop;
+ __ movp(rcx, FieldOperand(rdi, JSBoundFunction::kBoundArgumentsOffset));
+ __ SmiToInteger32(rbx, FieldOperand(rcx, FixedArray::kLengthOffset));
+ __ bind(&loop);
+ __ decl(rbx);
+ __ movp(kScratchRegister, FieldOperand(rcx, rbx, times_pointer_size,
+ FixedArray::kHeaderSize));
+ __ movp(Operand(rsp, rax, times_pointer_size, 0), kScratchRegister);
+ __ leal(rax, Operand(rax, 1));
+ __ j(greater, &loop);
+ }
+
+ // Adjust effective number of arguments (rax contains the number of
+ // arguments from the call plus return address plus the number of
+ // [[BoundArguments]]), so we need to subtract one for the return address.
+ __ decl(rax);
+ }
+ __ bind(&no_bound_arguments);
+}
+
+} // namespace
+
+
+// static
+void Builtins::Generate_CallBoundFunction(MacroAssembler* masm) {
+ // ----------- S t a t e -------------
+ // -- rax : the number of arguments (not including the receiver)
+ // -- rdi : the function to call (checked to be a JSBoundFunction)
+ // -----------------------------------
+ __ AssertBoundFunction(rdi);
+
+ // Patch the receiver to [[BoundThis]].
+ StackArgumentsAccessor args(rsp, rax);
+ __ movp(rbx, FieldOperand(rdi, JSBoundFunction::kBoundThisOffset));
+ __ movp(args.GetReceiverOperand(), rbx);
+
+ // Push the [[BoundArguments]] onto the stack.
+ Generate_PushBoundArguments(masm);
+
+ // Call the [[BoundTargetFunction]] via the Call builtin.
+ __ movp(rdi, FieldOperand(rdi, JSBoundFunction::kBoundTargetFunctionOffset));
+ __ Load(rcx,
+ ExternalReference(Builtins::kCall_ReceiverIsAny, masm->isolate()));
+ __ leap(rcx, FieldOperand(rcx, Code::kHeaderSize));
+ __ jmp(rcx);
+}
+
+
+// static
+void Builtins::Generate_Call(MacroAssembler* masm, ConvertReceiverMode mode) {
+ // ----------- S t a t e -------------
+ // -- rax : the number of arguments (not including the receiver)
+ // -- rdi : the target to call (can be any Object)
+ // -----------------------------------
+ StackArgumentsAccessor args(rsp, rax);
+
+ Label non_callable, non_function, non_smi;
+ __ JumpIfSmi(rdi, &non_callable);
+ __ bind(&non_smi);
+ __ CmpObjectType(rdi, JS_FUNCTION_TYPE, rcx);
+ __ j(equal, masm->isolate()->builtins()->CallFunction(mode),
+ RelocInfo::CODE_TARGET);
+ __ CmpInstanceType(rcx, JS_BOUND_FUNCTION_TYPE);
+ __ j(equal, masm->isolate()->builtins()->CallBoundFunction(),
+ RelocInfo::CODE_TARGET);
+ __ CmpInstanceType(rcx, JS_PROXY_TYPE);
+ __ j(not_equal, &non_function);
+
+ // 1. Runtime fallback for Proxy [[Call]].
+ __ PopReturnAddressTo(kScratchRegister);
+ __ Push(rdi);
+ __ PushReturnAddressFrom(kScratchRegister);
+ // Increase the arguments size to include the pushed function and the
+ // existing receiver on the stack.
+ __ addp(rax, Immediate(2));
+ // Tail-call to the runtime.
+ __ JumpToExternalReference(
+ ExternalReference(Runtime::kJSProxyCall, masm->isolate()));
+
+ // 2. Call to something else, which might have a [[Call]] internal method (if
+ // not we raise an exception).
+ __ bind(&non_function);
+ // Check if target has a [[Call]] internal method.
+ __ testb(FieldOperand(rcx, Map::kBitFieldOffset),
+ Immediate(1 << Map::kIsCallable));
+ __ j(zero, &non_callable, Label::kNear);
+ // Overwrite the original receiver with the (original) target.
+ __ movp(args.GetReceiverOperand(), rdi);
+ // Let the "call_as_function_delegate" take care of the rest.
+ __ LoadNativeContextSlot(Context::CALL_AS_FUNCTION_DELEGATE_INDEX, rdi);
+ __ Jump(masm->isolate()->builtins()->CallFunction(
+ ConvertReceiverMode::kNotNullOrUndefined),
+ RelocInfo::CODE_TARGET);
+
+ // 3. Call to something that is not callable.
+ __ bind(&non_callable);
+ {
+ FrameScope scope(masm, StackFrame::INTERNAL);
+ __ Push(rdi);
+ __ CallRuntime(Runtime::kThrowCalledNonCallable);
+ }
+}
+
+
+// static
+void Builtins::Generate_ConstructFunction(MacroAssembler* masm) {
+ // ----------- S t a t e -------------
+ // -- rax : the number of arguments (not including the receiver)
+ // -- rdx : the new target (checked to be a constructor)
+ // -- rdi : the constructor to call (checked to be a JSFunction)
+ // -----------------------------------
+ __ AssertFunction(rdi);
+
+ // Calling convention for function specific ConstructStubs require
+ // rbx to contain either an AllocationSite or undefined.
+ __ LoadRoot(rbx, Heap::kUndefinedValueRootIndex);
+
+ // Tail call to the function-specific construct stub (still in the caller
+ // context at this point).
+ __ movp(rcx, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset));
+ __ movp(rcx, FieldOperand(rcx, SharedFunctionInfo::kConstructStubOffset));
+ __ leap(rcx, FieldOperand(rcx, Code::kHeaderSize));
+ __ jmp(rcx);
+}
+
+
+// static
+void Builtins::Generate_ConstructBoundFunction(MacroAssembler* masm) {
+ // ----------- S t a t e -------------
+ // -- rax : the number of arguments (not including the receiver)
+ // -- rdx : the new target (checked to be a constructor)
+ // -- rdi : the constructor to call (checked to be a JSBoundFunction)
+ // -----------------------------------
+ __ AssertBoundFunction(rdi);
+
+ // Push the [[BoundArguments]] onto the stack.
+ Generate_PushBoundArguments(masm);
+
+ // Patch new.target to [[BoundTargetFunction]] if new.target equals target.
+ {
+ Label done;
+ __ cmpp(rdi, rdx);
+ __ j(not_equal, &done, Label::kNear);
+ __ movp(rdx,
+ FieldOperand(rdi, JSBoundFunction::kBoundTargetFunctionOffset));
+ __ bind(&done);
+ }
+
+ // Construct the [[BoundTargetFunction]] via the Construct builtin.
+ __ movp(rdi, FieldOperand(rdi, JSBoundFunction::kBoundTargetFunctionOffset));
+ __ Load(rcx, ExternalReference(Builtins::kConstruct, masm->isolate()));
+ __ leap(rcx, FieldOperand(rcx, Code::kHeaderSize));
+ __ jmp(rcx);
+}
+
+
+// static
+void Builtins::Generate_ConstructProxy(MacroAssembler* masm) {
+ // ----------- S t a t e -------------
+ // -- rax : the number of arguments (not including the receiver)
+ // -- rdi : the constructor to call (checked to be a JSProxy)
+ // -- rdx : the new target (either the same as the constructor or
+ // the JSFunction on which new was invoked initially)
+ // -----------------------------------
+
+ // Call into the Runtime for Proxy [[Construct]].
+ __ PopReturnAddressTo(kScratchRegister);
+ __ Push(rdi);
+ __ Push(rdx);
+ __ PushReturnAddressFrom(kScratchRegister);
+ // Include the pushed new_target, constructor and the receiver.
+ __ addp(rax, Immediate(3));
+ __ JumpToExternalReference(
+ ExternalReference(Runtime::kJSProxyConstruct, masm->isolate()));
+}
+
+
+// static
+void Builtins::Generate_Construct(MacroAssembler* masm) {
+ // ----------- S t a t e -------------
+ // -- rax : the number of arguments (not including the receiver)
+ // -- rdx : the new target (either the same as the constructor or
+ // the JSFunction on which new was invoked initially)
+ // -- rdi : the constructor to call (can be any Object)
+ // -----------------------------------
+ StackArgumentsAccessor args(rsp, rax);
+
+ // Check if target is a Smi.
+ Label non_constructor;
+ __ JumpIfSmi(rdi, &non_constructor, Label::kNear);
+
+ // Dispatch based on instance type.
+ __ CmpObjectType(rdi, JS_FUNCTION_TYPE, rcx);
+ __ j(equal, masm->isolate()->builtins()->ConstructFunction(),
+ RelocInfo::CODE_TARGET);
+
+ // Check if target has a [[Construct]] internal method.
+ __ testb(FieldOperand(rcx, Map::kBitFieldOffset),
+ Immediate(1 << Map::kIsConstructor));
+ __ j(zero, &non_constructor, Label::kNear);
+
+ // Only dispatch to bound functions after checking whether they are
+ // constructors.
+ __ CmpInstanceType(rcx, JS_BOUND_FUNCTION_TYPE);
+ __ j(equal, masm->isolate()->builtins()->ConstructBoundFunction(),
+ RelocInfo::CODE_TARGET);
+
+ // Only dispatch to proxies after checking whether they are constructors.
+ __ CmpInstanceType(rcx, JS_PROXY_TYPE);
+ __ j(equal, masm->isolate()->builtins()->ConstructProxy(),
+ RelocInfo::CODE_TARGET);
+
+ // Called Construct on an exotic Object with a [[Construct]] internal method.
+ {
+ // Overwrite the original receiver with the (original) target.
+ __ movp(args.GetReceiverOperand(), rdi);
+ // Let the "call_as_constructor_delegate" take care of the rest.
+ __ LoadNativeContextSlot(Context::CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, rdi);
+ __ Jump(masm->isolate()->builtins()->CallFunction(),
+ RelocInfo::CODE_TARGET);
+ }
+
+ // Called Construct on an Object that doesn't have a [[Construct]] internal
+ // method.
+ __ bind(&non_constructor);
+ __ Jump(masm->isolate()->builtins()->ConstructedNonConstructable(),
+ RelocInfo::CODE_TARGET);
+}
+
+
+static void CompatibleReceiverCheck(MacroAssembler* masm, Register receiver,
+ Register function_template_info,
+ Register scratch0, Register scratch1,
+ Register scratch2,
+ Label* receiver_check_failed) {
+ Register signature = scratch0;
+ Register map = scratch1;
+ Register constructor = scratch2;
+
+ // If there is no signature, return the holder.
+ __ movp(signature, FieldOperand(function_template_info,
+ FunctionTemplateInfo::kSignatureOffset));
+ __ CompareRoot(signature, Heap::kUndefinedValueRootIndex);
+ Label receiver_check_passed;
+ __ j(equal, &receiver_check_passed, Label::kNear);
+
+ // Walk the prototype chain.
+ __ movp(map, FieldOperand(receiver, HeapObject::kMapOffset));
+ Label prototype_loop_start;
+ __ bind(&prototype_loop_start);
+
+ // Get the constructor, if any.
+ __ GetMapConstructor(constructor, map, kScratchRegister);
+ __ CmpInstanceType(kScratchRegister, JS_FUNCTION_TYPE);
+ Label next_prototype;
+ __ j(not_equal, &next_prototype, Label::kNear);
+
+ // Get the constructor's signature.
+ Register type = constructor;
+ __ movp(type,
+ FieldOperand(constructor, JSFunction::kSharedFunctionInfoOffset));
+ __ movp(type, FieldOperand(type, SharedFunctionInfo::kFunctionDataOffset));
+
+ // Loop through the chain of inheriting function templates.
+ Label function_template_loop;
+ __ bind(&function_template_loop);
+
+ // If the signatures match, we have a compatible receiver.
+ __ cmpp(signature, type);
+ __ j(equal, &receiver_check_passed, Label::kNear);
+
+ // If the current type is not a FunctionTemplateInfo, load the next prototype
+ // in the chain.
+ __ JumpIfSmi(type, &next_prototype, Label::kNear);
+ __ CmpObjectType(type, FUNCTION_TEMPLATE_INFO_TYPE, kScratchRegister);
+ __ j(not_equal, &next_prototype, Label::kNear);
+
+ // Otherwise load the parent function template and iterate.
+ __ movp(type,
+ FieldOperand(type, FunctionTemplateInfo::kParentTemplateOffset));
+ __ jmp(&function_template_loop, Label::kNear);
+
+ // Load the next prototype.
+ __ bind(&next_prototype);
+ __ movp(receiver, FieldOperand(map, Map::kPrototypeOffset));
+ // End if the prototype is null or not hidden.
+ __ CompareRoot(receiver, Heap::kNullValueRootIndex);
+ __ j(equal, receiver_check_failed);
+ __ movp(map, FieldOperand(receiver, HeapObject::kMapOffset));
+ __ testq(FieldOperand(map, Map::kBitField3Offset),
+ Immediate(Map::IsHiddenPrototype::kMask));
+ __ j(zero, receiver_check_failed);
+ // Iterate.
+ __ jmp(&prototype_loop_start, Label::kNear);
+
+ __ bind(&receiver_check_passed);
+}
+
+
+void Builtins::Generate_HandleFastApiCall(MacroAssembler* masm) {
+ // ----------- S t a t e -------------
+ // -- rax : number of arguments (not including the receiver)
+ // -- rdi : callee
+ // -- rsi : context
+ // -- rsp[0] : return address
+ // -- rsp[8] : last argument
+ // -- ...
+ // -- rsp[rax * 8] : first argument
+ // -- rsp[(rax + 1) * 8] : receiver
+ // -----------------------------------
+
+ StackArgumentsAccessor args(rsp, rax);
+
+ // Load the FunctionTemplateInfo.
+ __ movp(rbx, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset));
+ __ movp(rbx, FieldOperand(rbx, SharedFunctionInfo::kFunctionDataOffset));
+
+ // Do the compatible receiver check.
+ Label receiver_check_failed;
+ __ movp(rcx, args.GetReceiverOperand());
+ CompatibleReceiverCheck(masm, rcx, rbx, rdx, r8, r9, &receiver_check_failed);
+
+ // Get the callback offset from the FunctionTemplateInfo, and jump to the
+ // beginning of the code.
+ __ movp(rdx, FieldOperand(rbx, FunctionTemplateInfo::kCallCodeOffset));
+ __ movp(rdx, FieldOperand(rdx, CallHandlerInfo::kFastHandlerOffset));
+ __ addp(rdx, Immediate(Code::kHeaderSize - kHeapObjectTag));
+ __ jmp(rdx);
+
+ // Compatible receiver check failed: pop return address, arguments and
+ // receiver and throw an Illegal Invocation exception.
+ __ bind(&receiver_check_failed);
+ __ PopReturnAddressTo(rbx);
+ __ leap(rax, Operand(rax, times_pointer_size, 1 * kPointerSize));
+ __ addp(rsp, rax);
+ __ PushReturnAddressFrom(rbx);
+ {
+ FrameScope scope(masm, StackFrame::INTERNAL);
+ __ TailCallRuntime(Runtime::kThrowIllegalInvocation);
+ }
+}
+
+
void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) {
// Lookup the function in the JavaScript frame.
__ movp(rax, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
@@ -1476,7 +2539,7 @@
FrameScope scope(masm, StackFrame::INTERNAL);
// Pass function as argument.
__ Push(rax);
- __ CallRuntime(Runtime::kCompileForOnStackReplacement, 1);
+ __ CallRuntime(Runtime::kCompileForOnStackReplacement);
}
Label skip;
@@ -1512,7 +2575,7 @@
__ j(above_equal, &ok);
{
FrameScope scope(masm, StackFrame::INTERNAL);
- __ CallRuntime(Runtime::kStackGuard, 0);
+ __ CallRuntime(Runtime::kStackGuard);
}
__ jmp(masm->isolate()->builtins()->OnStackReplacement(),
RelocInfo::CODE_TARGET);
@@ -1524,6 +2587,7 @@
#undef __
-} } // namespace v8::internal
+} // namespace internal
+} // namespace v8
#endif // V8_TARGET_ARCH_X64