[Interpreter] Add support for FunctionEntryHook.

src/s390/builtins-s390.cc

Index: src/s390/builtins-s390.cc
diff --git a/src/s390/builtins-s390.cc b/src/s390/builtins-s390.cc
index 98c7a1e18f256df30875a3c5180ab458b55a5de5..5aba5ac25669c991bc9af385ce61a88375eebde0 100644
--- a/src/s390/builtins-s390.cc
+++ b/src/s390/builtins-s390.cc
@@ -958,6 +958,8 @@ void Builtins::Generate_JSConstructEntryTrampoline(MacroAssembler* masm) {
 // The function builds an interpreter frame.  See InterpreterFrameConstants in
 // frames.h for its layout.
 void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
+  ProfileEntryHookStub::MaybeCallEntryHook(masm);
+
   // Open a frame scope to indicate that there is a frame on the stack.  The
   // MANUAL indicates that the scope shouldn't actually generate code to set up
   // the frame (that is done below).
@@ -1024,11 +1026,6 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
     __ bind(&no_args);
   }
 
-  // TODO(rmcilroy): List of things not currently dealt with here but done in
-  // fullcodegen's prologue:
-  //  - Call ProfileEntryHookStub when isolate has a function_entry_hook.
-  //  - Code aging of the BytecodeArray object.
-
   // Load accumulator, register file, bytecode offset, dispatch table into
   // registers.
   __ LoadRoot(kInterpreterAccumulatorRegister, Heap::kUndefinedValueRootIndex);