[runtime] Remove weird pushing of something on StackOverflow.

src/x64/builtins-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.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/code-factory.h"
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 432 matching lines @@
   __ PushReturnAddressFrom(rcx);
   __ ret(0);
 }
 
 
 enum IsTagged { kRaxIsSmiTagged, kRaxIsUntaggedInt };
 
 
 // Clobbers rcx, r11, kScratchRegister; preserves all other registers.
 static void Generate_CheckStackOverflow(MacroAssembler* masm,
-                                        const int calleeOffset,
                                         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.
-  __ Push(Operand(rbp, calleeOffset));
-  if (rax_is_tagged == kRaxIsUntaggedInt) {
-    __ Integer32ToSmi(rax, rax);
-  }
-  __ Push(rax);
   __ CallRuntime(Runtime::kThrowStackOverflow, 0);
 
   __ bind(&okay);
 }
 
 
 static void Generate_JSEntryTrampolineHelper(MacroAssembler* masm,
                                              bool is_construct) {
   ProfileEntryHookStub::MaybeCallEntryHook(masm);
 
@@ skipping 86 matching lines @@
     // [rsp + kPointerSize]          : function
     // [rsp]                         : receiver
     // Current register contents:
     // rax : argc
     // rbx : argv
     // rsi : context
     // rdi : function
     // rdx : new.target
 
     // Check if we have enough stack space to push all arguments.
-    // The function is the first thing that was pushed above after entering
-    // the internal frame.
-    const int kFunctionOffset =
-        InternalFrameConstants::kCodeOffset - kRegisterSize;
     // Expects argument count in rax. Clobbers rcx, r11.
-    Generate_CheckStackOverflow(masm, kFunctionOffset, kRaxIsUntaggedInt);
+    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, Label::kNear);
     __ bind(&loop);
     __ movp(kScratchRegister, Operand(rbx, rcx, times_pointer_size, 0));
     __ Push(Operand(kScratchRegister, 0));  // dereference handle
@@ skipping 492 matching lines @@
 
     __ Push(Operand(rbp, kFunctionOffset));
     __ Push(Operand(rbp, kArgumentsOffset));
     if (targetIsArgument) {
       __ InvokeBuiltin(Context::REFLECT_APPLY_PREPARE_BUILTIN_INDEX,
                        CALL_FUNCTION);
     } else {
       __ InvokeBuiltin(Context::APPLY_PREPARE_BUILTIN_INDEX, CALL_FUNCTION);
     }
 
-    Generate_CheckStackOverflow(masm, kFunctionOffset, kRaxIsSmiTagged);
+    Generate_CheckStackOverflow(masm, kRaxIsSmiTagged);
 
     // Push current index and limit, and receiver.
     const int kLimitOffset = kVectorOffset - 1 * kPointerSize;
     const int kIndexOffset = kLimitOffset - 1 * kPointerSize;
     __ Push(rax);                            // limit
     __ Push(Immediate(0));                   // index
     __ Push(Operand(rbp, kReceiverOffset));  // receiver
 
     // Loop over the arguments array, pushing each value to the stack
     Generate_PushAppliedArguments(masm, kVectorOffset, kArgumentsOffset,
@@ skipping 49 matching lines @@
     __ movp(Operand(rbp, kNewTargetOffset), rax);
 
     // Validate arguments
     __ bind(&validate_arguments);
     __ Push(Operand(rbp, kFunctionOffset));
     __ Push(Operand(rbp, kArgumentsOffset));
     __ Push(Operand(rbp, kNewTargetOffset));
     __ InvokeBuiltin(Context::REFLECT_CONSTRUCT_PREPARE_BUILTIN_INDEX,
                      CALL_FUNCTION);
 
-    Generate_CheckStackOverflow(masm, kFunctionOffset, kRaxIsSmiTagged);
+    Generate_CheckStackOverflow(masm, kRaxIsSmiTagged);
 
     // Push current index and limit.
     const int kLimitOffset = kVectorOffset - 1 * kPointerSize;
     const int kIndexOffset = kLimitOffset - 1 * kPointerSize;
     __ Push(rax);  // limit
     __ Push(Immediate(0));  // index
     // Push the constructor function as callee.
     __ Push(Operand(rbp, kFunctionOffset));
 
     // Loop over the arguments array, pushing each value to the stack
@@ skipping 724 matching lines @@
   __ ret(0);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64