Use direct jump and call instruction for X64 when the deoptimization entries are in the code range

src/arm/assembler-arm-inl.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 131 matching lines @@
 }
 
 
 Handle<Object> RelocInfo::target_object_handle(Assembler* origin) {
   ASSERT(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT);
   return Handle<Object>(reinterpret_cast<Object**>(
       Assembler::target_pointer_at(pc_)));
 }
 
 
+bool RelocInfo::NeedsInitializeRuntimeEntry() {
+  return false;
+}
+
+
+Address RelocInfo::target_runtime_entry(Assembler* origin) {
+  UNREACHABLE();

[danno, 2013/03/07 14:57:23]

Please implement this for all platforms, see comments below.

[haitao.feng, 2013/03/08 05:30:05]

Done.

+  return NULL;
+}
+
+
 Object** RelocInfo::target_object_address() {
   // Provide a "natural pointer" to the embedded object,
   // which can be de-referenced during heap iteration.
   ASSERT(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT);
   reconstructed_obj_ptr_ =
       reinterpret_cast<Object*>(Assembler::target_pointer_at(pc_));
   return &reconstructed_obj_ptr_;
 }
 
 
@@ skipping 378 matching lines @@
 
 
 void Assembler::set_target_address_at(Address pc, Address target) {
   set_target_pointer_at(pc, target);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_ASSEMBLER_ARM_INL_H_