[builtins] move remaining builtins into separate files.

src/builtins/builtins-internal.cc

Index: src/builtins/builtins-internal.cc
diff --git a/src/builtins/builtins-internal.cc b/src/builtins/builtins-internal.cc
index e7f3efdae613cdf0debae32a41eae589b56e65f2..2ac2454e4c9b5b561f87d4763c98cfca09894240 100644
--- a/src/builtins/builtins-internal.cc
+++ b/src/builtins/builtins-internal.cc
@@ -5,6 +5,8 @@
 #include "src/builtins/builtins.h"
 #include "src/builtins/builtins-utils.h"
 
+#include "src/macro-assembler.h"
+
 namespace v8 {
 namespace internal {
 
@@ -31,5 +33,16 @@ BUILTIN(RestrictedStrictArgumentsPropertiesThrower) {
       isolate, NewTypeError(MessageTemplate::kStrictPoisonPill));
 }
 
+// -----------------------------------------------------------------------------
+// Interrupt and stack checks.
+
+void Builtins::Generate_InterruptCheck(MacroAssembler* masm) {
+  masm->TailCallRuntime(Runtime::kInterrupt);
+}
+
+void Builtins::Generate_StackCheck(MacroAssembler* masm) {
+  masm->TailCallRuntime(Runtime::kStackGuard);
+}
+
 }  // namespace internal
 }  // namespace v8