Improved function entry hook coverage

src/arm/simulator-arm.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 1812 matching lines @@
               reinterpret_cast<SimulatorRuntimeDirectGetterCallNew>(external);
           target(arg0, arg1);
         }
       } else {
         // builtin call.
         ASSERT(redirection->type() == ExternalReference::BUILTIN_CALL);
         SimulatorRuntimeCall target =
             reinterpret_cast<SimulatorRuntimeCall>(external);
         if (::v8::internal::FLAG_trace_sim || !stack_aligned) {
           PrintF(
-              "Call to host function at %p"
+              "Call to host function at %p "
               "args %08x, %08x, %08x, %08x, %08x, %08x",
               FUNCTION_ADDR(target),
               arg0,
               arg1,
               arg2,
               arg3,
               arg4,
               arg5);
           if (!stack_aligned) {
             PrintF(" with unaligned stack %08x\n", get_register(sp));
@@ skipping 1672 matching lines @@
   uintptr_t address = *stack_slot;
   set_register(sp, current_sp + sizeof(uintptr_t));
   return address;
 }
 
 } }  // namespace v8::internal
 
 #endif  // USE_SIMULATOR
 
 #endif  // V8_TARGET_ARCH_ARM