PPC/s390: [builtins] New frame type for exits to C++ builtins

src/s390/macro-assembler-s390.h

 // Copyright 2014 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_S390_MACRO_ASSEMBLER_S390_H_
 #define V8_S390_MACRO_ASSEMBLER_S390_H_
 
 #include "src/assembler.h"
 #include "src/bailout-reason.h"
 #include "src/frames.h"
@@ skipping 716 matching lines @@
 #endif
 
   // Generates function and stub prologue code.
   void StubPrologue(StackFrame::Type type, Register base = no_reg,
                     int prologue_offset = 0);
   void Prologue(bool code_pre_aging, Register base, int prologue_offset = 0);
 
   // Enter exit frame.
   // stack_space - extra stack space, used for parameters before call to C.
   // At least one slot (for the return address) should be provided.
-  void EnterExitFrame(bool save_doubles, int stack_space = 1);
+  void EnterExitFrame(bool save_doubles, int stack_space = 1,
+                      StackFrame::Type frame_type = StackFrame::EXIT);
 
   // Leave the current exit frame. Expects the return value in r0.
   // Expect the number of values, pushed prior to the exit frame, to
   // remove in a register (or no_reg, if there is nothing to remove).
   void LeaveExitFrame(bool save_doubles, Register argument_count,
                       bool restore_context,
                       bool argument_count_is_length = false);
 
   // Get the actual activation frame alignment for target environment.
   static int ActivationFrameAlignment();
@@ skipping 582 matching lines @@
   void CallCFunction(Register function, int num_arguments);
   void CallCFunction(ExternalReference function, int num_reg_arguments,
                      int num_double_arguments);
   void CallCFunction(Register function, int num_reg_arguments,
                      int num_double_arguments);
 
   void MovFromFloatParameter(DoubleRegister dst);
   void MovFromFloatResult(DoubleRegister dst);
 
   // Jump to a runtime routine.
-  void JumpToExternalReference(const ExternalReference& builtin);
+  void JumpToExternalReference(const ExternalReference& builtin,
+                               bool builtin_exit_frame = false);
 
   Handle<Object> CodeObject() {
     DCHECK(!code_object_.is_null());
     return code_object_;
   }
 
   // Emit code for a truncating division by a constant. The dividend register is
   // unchanged and ip gets clobbered. Dividend and result must be different.
   void TruncatingDiv(Register result, Register dividend, int32_t divisor);
 
@@ skipping 558 matching lines @@
 #define ACCESS_MASM(masm)    \
   masm->stop(__FILE_LINE__); \
   masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_S390_MACRO_ASSEMBLER_S390_H_