Initial support for count-based profiling

src/ia32/code-stubs-ia32.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 4555 matching lines @@
   __ cmp(scratch, kSymbolTag | kStringTag);
   __ j(not_equal, label);
 }
 
 
 void StackCheckStub::Generate(MacroAssembler* masm) {
   __ TailCallRuntime(Runtime::kStackGuard, 0, 1);
 }
 
 
+void InterruptStub::Generate(MacroAssembler* masm) {
+  __ TailCallRuntime(Runtime::kInterrupt, 0, 1);
+}
+
+
 static void GenerateRecordCallTarget(MacroAssembler* masm) {
   // Cache the called function in a global property cell.  Cache states
   // are uninitialized, monomorphic (indicated by a JSFunction), and
   // megamorphic.
   // ebx : cache cell for call target
   // edi : the function to call
   Isolate* isolate = masm->isolate();
   Label initialize, done;
 
   // Load the cache state into ecx.
@@ skipping 2786 matching lines @@
                                  false);
   __ pop(edx);
   __ ret(0);
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32