PPC/s390: [builtins] Construct builtin frame in String/Number ctors

src/s390/macro-assembler-s390.cc

Index: src/s390/macro-assembler-s390.cc
diff --git a/src/s390/macro-assembler-s390.cc b/src/s390/macro-assembler-s390.cc
index 746265235a768603442a61eb80921edc86896402..55057e05a673c9461372af164019cdf4c60d1f99 100644
--- a/src/s390/macro-assembler-s390.cc
+++ b/src/s390/macro-assembler-s390.cc
@@ -1000,6 +1000,20 @@ int MacroAssembler::LeaveFrame(StackFrame::Type type, int stack_adjustment) {
   return frame_ends;
 }
 
+void MacroAssembler::EnterBuiltinFrame(Register context, Register target,
+                                       Register argc) {
+  CleanseP(r14);
+  Push(r14, fp, context, target);
+  la(fp, MemOperand(sp, 2 * kPointerSize));
+  Push(argc);
+}
+
+void MacroAssembler::LeaveBuiltinFrame(Register context, Register target,
+                                       Register argc) {
+  Pop(argc);
+  Pop(r14, fp, context, target);
+}
+
 // ExitFrame layout (probably wrongish.. needs updating)
 //
 //  SP -> previousSP