[builtins] Construct builtin frame in String/Number ctors

src/mips64/macro-assembler-mips64.cc

Index: src/mips64/macro-assembler-mips64.cc
diff --git a/src/mips64/macro-assembler-mips64.cc b/src/mips64/macro-assembler-mips64.cc
index 79a699634ea71259e32c55eb6dd1f0fafb3c3d1a..9f689190b1fb56757a73729a3b94614201cba68d 100644
--- a/src/mips64/macro-assembler-mips64.cc
+++ b/src/mips64/macro-assembler-mips64.cc
@@ -6182,6 +6182,19 @@ void MacroAssembler::LeaveFrame(StackFrame::Type type) {
   ld(fp, MemOperand(fp, 0 * kPointerSize));
 }
 
+void MacroAssembler::EnterBuiltinFrame(Register context, Register target,
+                                       Register argc) {
+  Push(ra, fp);
+  Move(fp, sp);
+  Push(context, target, argc);
+}
+
+void MacroAssembler::LeaveBuiltinFrame(Register context, Register target,
+                                       Register argc) {
+  Pop(context, target, argc);
+  Pop(ra, fp);
+}
+
 void MacroAssembler::EnterExitFrame(bool save_doubles, int stack_space,
                                     StackFrame::Type frame_type) {
   DCHECK(frame_type == StackFrame::EXIT ||