move CallApiFunctionAndReturn to code-stubs-*

src/x64/macro-assembler-x64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // 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/base/bits.h"
 #include "src/base/division-by-constant.h"
@@ skipping 674 matching lines @@
 
 void MacroAssembler::TailCallRuntime(Runtime::FunctionId fid,
                                      int num_arguments,
                                      int result_size) {
   TailCallExternalReference(ExternalReference(fid, isolate()),
                             num_arguments,
                             result_size);
 }
 
 
-static int Offset(ExternalReference ref0, ExternalReference ref1) {
-  int64_t offset = (ref0.address() - ref1.address());
-  // Check that fits into int.
-  DCHECK(static_cast<int>(offset) == offset);
-  return static_cast<int>(offset);
-}
-
-
-void MacroAssembler::PrepareCallApiFunction(int arg_stack_space) {
-  EnterApiExitFrame(arg_stack_space);
-}
-
-
-void MacroAssembler::CallApiFunctionAndReturn(
-    Register function_address, ExternalReference thunk_ref,
-    Register thunk_last_arg, int stack_space, Operand* stack_space_operand,
-    Operand return_value_operand, Operand* context_restore_operand) {
-  Label prologue;
-  Label promote_scheduled_exception;
-  Label exception_handled;
-  Label delete_allocated_handles;
-  Label leave_exit_frame;
-  Label write_back;
-
-  Factory* factory = isolate()->factory();
-  ExternalReference next_address =
-      ExternalReference::handle_scope_next_address(isolate());
-  const int kNextOffset = 0;
-  const int kLimitOffset = Offset(
-      ExternalReference::handle_scope_limit_address(isolate()),
-      next_address);
-  const int kLevelOffset = Offset(
-      ExternalReference::handle_scope_level_address(isolate()),
-      next_address);
-  ExternalReference scheduled_exception_address =
-      ExternalReference::scheduled_exception_address(isolate());
-
-  DCHECK(rdx.is(function_address) || r8.is(function_address));
-  // Allocate HandleScope in callee-save registers.
-  Register prev_next_address_reg = r14;
-  Register prev_limit_reg = rbx;
-  Register base_reg = r15;
-  Move(base_reg, next_address);
-  movp(prev_next_address_reg, Operand(base_reg, kNextOffset));
-  movp(prev_limit_reg, Operand(base_reg, kLimitOffset));
-  addl(Operand(base_reg, kLevelOffset), Immediate(1));
-
-  if (FLAG_log_timer_events) {
-    FrameScope frame(this, StackFrame::MANUAL);
-    PushSafepointRegisters();
-    PrepareCallCFunction(1);
-    LoadAddress(arg_reg_1, ExternalReference::isolate_address(isolate()));
-    CallCFunction(ExternalReference::log_enter_external_function(isolate()), 1);
-    PopSafepointRegisters();
-  }
-
-
-  Label profiler_disabled;
-  Label end_profiler_check;
-  Move(rax, ExternalReference::is_profiling_address(isolate()));
-  cmpb(Operand(rax, 0), Immediate(0));
-  j(zero, &profiler_disabled);
-
-  // Third parameter is the address of the actual getter function.
-  Move(thunk_last_arg, function_address);
-  Move(rax, thunk_ref);
-  jmp(&end_profiler_check);
-
-  bind(&profiler_disabled);
-  // Call the api function!
-  Move(rax, function_address);
-
-  bind(&end_profiler_check);
-
-  // Call the api function!
-  call(rax);
-
-  if (FLAG_log_timer_events) {
-    FrameScope frame(this, StackFrame::MANUAL);
-    PushSafepointRegisters();
-    PrepareCallCFunction(1);
-    LoadAddress(arg_reg_1, ExternalReference::isolate_address(isolate()));
-    CallCFunction(ExternalReference::log_leave_external_function(isolate()), 1);
-    PopSafepointRegisters();
-  }
-
-  // Load the value from ReturnValue
-  movp(rax, return_value_operand);
-  bind(&prologue);
-
-  // No more valid handles (the result handle was the last one). Restore
-  // previous handle scope.
-  subl(Operand(base_reg, kLevelOffset), Immediate(1));
-  movp(Operand(base_reg, kNextOffset), prev_next_address_reg);
-  cmpp(prev_limit_reg, Operand(base_reg, kLimitOffset));
-  j(not_equal, &delete_allocated_handles);
-  bind(&leave_exit_frame);
-
-  // Check if the function scheduled an exception.
-  Move(rsi, scheduled_exception_address);
-  Cmp(Operand(rsi, 0), factory->the_hole_value());
-  j(not_equal, &promote_scheduled_exception);
-  bind(&exception_handled);
-
-#if DEBUG
-  // Check if the function returned a valid JavaScript value.
-  Label ok;
-  Register return_value = rax;
-  Register map = rcx;
-
-  JumpIfSmi(return_value, &ok, Label::kNear);
-  movp(map, FieldOperand(return_value, HeapObject::kMapOffset));
-
-  CmpInstanceType(map, LAST_NAME_TYPE);
-  j(below_equal, &ok, Label::kNear);
-
-  CmpInstanceType(map, FIRST_SPEC_OBJECT_TYPE);
-  j(above_equal, &ok, Label::kNear);
-
-  CompareRoot(map, Heap::kHeapNumberMapRootIndex);
-  j(equal, &ok, Label::kNear);
-
-  CompareRoot(return_value, Heap::kUndefinedValueRootIndex);
-  j(equal, &ok, Label::kNear);
-
-  CompareRoot(return_value, Heap::kTrueValueRootIndex);
-  j(equal, &ok, Label::kNear);
-
-  CompareRoot(return_value, Heap::kFalseValueRootIndex);
-  j(equal, &ok, Label::kNear);
-
-  CompareRoot(return_value, Heap::kNullValueRootIndex);
-  j(equal, &ok, Label::kNear);
-
-  Abort(kAPICallReturnedInvalidObject);
-
-  bind(&ok);
-#endif
-
-  bool restore_context = context_restore_operand != NULL;
-  if (restore_context) {
-    movp(rsi, *context_restore_operand);
-  }
-  if (stack_space_operand != nullptr) {
-    movp(rbx, *stack_space_operand);
-  }
-  LeaveApiExitFrame(!restore_context);
-  if (stack_space_operand != nullptr) {
-    DCHECK_EQ(stack_space, 0);
-    PopReturnAddressTo(rcx);
-    addq(rsp, rbx);
-    jmp(rcx);
-  } else {
-    ret(stack_space * kPointerSize);
-  }
-
-  bind(&promote_scheduled_exception);
-  {
-    FrameScope frame(this, StackFrame::INTERNAL);
-    CallRuntime(Runtime::kPromoteScheduledException, 0);
-  }
-  jmp(&exception_handled);
-
-  // HandleScope limit has changed. Delete allocated extensions.
-  bind(&delete_allocated_handles);
-  movp(Operand(base_reg, kLimitOffset), prev_limit_reg);
-  movp(prev_limit_reg, rax);
-  LoadAddress(arg_reg_1, ExternalReference::isolate_address(isolate()));
-  LoadAddress(rax,
-              ExternalReference::delete_handle_scope_extensions(isolate()));
-  call(rax);
-  movp(rax, prev_limit_reg);
-  jmp(&leave_exit_frame);
-}
-
-
 void MacroAssembler::JumpToExternalReference(const ExternalReference& ext,
                                              int result_size) {
   // Set the entry point and jump to the C entry runtime stub.
   LoadAddress(rbx, ext);
   CEntryStub ces(isolate(), result_size);
   jmp(ces.GetCode(), RelocInfo::CODE_TARGET);
 }
 
 
 void MacroAssembler::InvokeBuiltin(Builtins::JavaScript id,
@@ skipping 4522 matching lines @@
   if (mag.shift > 0) sarl(rdx, Immediate(mag.shift));
   movl(rax, dividend);
   shrl(rax, Immediate(31));
   addl(rdx, rax);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64