[builtins] New frame type for exits to C++ builtins

src/x64/macro-assembler-x64.h

 // 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.
 
 #ifndef V8_X64_MACRO_ASSEMBLER_X64_H_
 #define V8_X64_MACRO_ASSEMBLER_X64_H_
 
 #include "src/assembler.h"
 #include "src/bailout-reason.h"
 #include "src/base/flags.h"
@@ skipping 321 matching lines @@
   void StubPrologue(StackFrame::Type type);
   void Prologue(bool code_pre_aging);
 
   // Enter specific kind of exit frame; either in normal or
   // debug mode. Expects the number of arguments in register rax and
   // sets up the number of arguments in register rdi and the pointer
   // to the first argument in register rsi.
   //
   // Allocates arg_stack_space * kPointerSize memory (not GCed) on the stack
   // accessible via StackSpaceOperand.
-  void EnterExitFrame(int arg_stack_space = 0, bool save_doubles = false);
+  void EnterExitFrame(int arg_stack_space = 0, bool save_doubles = false,
+                      StackFrame::Type frame_type = StackFrame::EXIT);
 
   // Enter specific kind of exit frame. Allocates arg_stack_space * kPointerSize
   // memory (not GCed) on the stack accessible via StackSpaceOperand.
   void EnterApiExitFrame(int arg_stack_space);
 
   // Leave the current exit frame. Expects/provides the return value in
   // register rax:rdx (untouched) and the pointer to the first
   // argument in register rsi (if pop_arguments == true).
   void LeaveExitFrame(bool save_doubles = false, bool pop_arguments = true);
 
@@ skipping 1108 matching lines @@
   }
 
   // Convenience function: call an external reference.
   void CallExternalReference(const ExternalReference& ext,
                              int num_arguments);
 
   // Convenience function: tail call a runtime routine (jump)
   void TailCallRuntime(Runtime::FunctionId fid);
 
   // Jump to a runtime routines
-  void JumpToExternalReference(const ExternalReference& ext);
+  void JumpToExternalReference(const ExternalReference& ext,
+                               bool builtin_exit_frame = false);
 
   // Before calling a C-function from generated code, align arguments on stack.
   // After aligning the frame, arguments must be stored in rsp[0], rsp[8],
   // etc., not pushed. The argument count assumes all arguments are word sized.
   // The number of slots reserved for arguments depends on platform. On Windows
   // stack slots are reserved for the arguments passed in registers. On other
   // platforms stack slots are only reserved for the arguments actually passed
   // on the stack.
   void PrepareCallCFunction(int num_arguments);
 
@@ skipping 144 matching lines @@
 
   // Helper functions for generating invokes.
   void InvokePrologue(const ParameterCount& expected,
                       const ParameterCount& actual,
                       Label* done,
                       bool* definitely_mismatches,
                       InvokeFlag flag,
                       Label::Distance near_jump,
                       const CallWrapper& call_wrapper);
 
-  void EnterExitFramePrologue(bool save_rax);
+  void EnterExitFramePrologue(bool save_rax, StackFrame::Type frame_type);
 
   // Allocates arg_stack_space * kPointerSize memory (not GCed) on the stack
   // accessible via StackSpaceOperand.
   void EnterExitFrameEpilogue(int arg_stack_space, bool save_doubles);
 
   void LeaveExitFrameEpilogue(bool restore_context);
 
   // Allocation support helpers.
   // Loads the top of new-space into the result register.
   // Otherwise the address of the new-space top is loaded into scratch (if
@@ skipping 126 matching lines @@
   }                                                                          \
   masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_X64_MACRO_ASSEMBLER_X64_H_