[Interpreter] Add support for FunctionEntryHook.

src/x87/builtins-x87.cc

 // Copyright 2012 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.
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/code-factory.h"
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 390 matching lines @@
 // The live registers are:
 //   o edi: the JS function object being called
 //   o edx: the new target
 //   o esi: our context
 //   o ebp: the caller's frame pointer
 //   o esp: stack pointer (pointing to return address)
 //
 // 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).
   FrameScope frame_scope(masm, StackFrame::MANUAL);
   __ push(ebp);  // Caller's frame pointer.
   __ mov(ebp, esp);
   __ push(esi);  // Callee's context.
   __ push(edi);  // Callee's JS function.
   __ push(edx);  // Callee's new target.
 
@@ skipping 46 matching lines @@
     __ jmp(&loop_check);
     __ bind(&loop_header);
     // TODO(rmcilroy): Consider doing more than one push per loop iteration.
     __ push(eax);
     // Continue loop if not done.
     __ bind(&loop_check);
     __ sub(ebx, Immediate(kPointerSize));
     __ j(greater_equal, &loop_header);
   }
 
-  // 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);
   __ mov(kInterpreterRegisterFileRegister, ebp);
   __ add(kInterpreterRegisterFileRegister,
          Immediate(InterpreterFrameConstants::kRegisterFilePointerFromFp));
   __ mov(kInterpreterBytecodeOffsetRegister,
          Immediate(BytecodeArray::kHeaderSize - kHeapObjectTag));
   __ mov(ebx, Immediate(ExternalReference::interpreter_dispatch_table_address(
                   masm->isolate())));
@@ skipping 2146 matching lines @@
   // And "return" to the OSR entry point of the function.
   __ ret(0);
 }
 
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87