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

src/mips/macro-assembler-mips.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_MIPS_MACRO_ASSEMBLER_MIPS_H_
 #define V8_MIPS_MACRO_ASSEMBLER_MIPS_H_
 
 #include "src/assembler.h"
 #include "src/globals.h"
 #include "src/mips/assembler-mips.h"
@@ skipping 991 matching lines @@
                          Register scratch1,
                          Register scratch2,
                          FPURegister double_scratch0,
                          FPURegister double_scratch1,
                          Label* not_int32);
 
   // Enter exit frame.
   // argc - argument count to be dropped by LeaveExitFrame.
   // save_doubles - saves FPU registers on stack, currently disabled.
   // stack_space - extra stack space.
-  void EnterExitFrame(bool save_doubles,
-                      int stack_space = 0);
+  void EnterExitFrame(bool save_doubles, int stack_space = 0,
+                      StackFrame::Type frame_type = StackFrame::EXIT);
 
   // Leave the current exit frame.
   void LeaveExitFrame(bool save_doubles, Register arg_count,
                       bool restore_context, bool do_return = NO_EMIT_RETURN,
                       bool argument_count_is_length = false);
 
   // Get the actual activation frame alignment for target environment.
   static int ActivationFrameAlignment();
 
   // Make sure the stack is aligned. Only emits code in debug mode.
@@ skipping 407 matching lines @@
   // There are two ways of passing double arguments on MIPS, depending on
   // whether soft or hard floating point ABI is used. These functions
   // abstract parameter passing for the three different ways we call
   // C functions from generated code.
   void MovToFloatParameter(DoubleRegister src);
   void MovToFloatParameters(DoubleRegister src1, DoubleRegister src2);
   void MovToFloatResult(DoubleRegister src);
 
   // Jump to the builtin routine.
   void JumpToExternalReference(const ExternalReference& builtin,
-                               BranchDelaySlot bd = PROTECT);
+                               BranchDelaySlot bd = PROTECT,
+                               bool builtin_exit_frame = false);
 
   struct Unresolved {
     int pc;
     uint32_t flags;  // See Bootstrapper::FixupFlags decoders/encoders.
     const char* name;
   };
 
   Handle<Object> CodeObject() {
     DCHECK(!code_object_.is_null());
     return code_object_;
@@ skipping 444 matching lines @@
 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_