Use EXTERNAL_REFERENCE instead of RUNTIME_ENTRY for deoptimization entries for ARM and MIPS

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 89 matching lines @@
     // absolute code pointer inside code object moves with the code object.
     int32_t* p = reinterpret_cast<int32_t*>(pc_);
     *p += delta;  // relocate entry
   }
   // We do not use pc relative addressing on ARM, so there is
   // nothing else to do.
 }
 
 
 Address RelocInfo::target_address() {
-  ASSERT(IsCodeTarget(rmode_) || rmode_ == RUNTIME_ENTRY);
+  ASSERT(IsCodeTarget(rmode_) || rmode_ == EXTERNAL_REFERENCE);
   return Assembler::target_address_at(pc_);
 }
 
 
 Address RelocInfo::target_address_address() {
-  ASSERT(IsCodeTarget(rmode_) || rmode_ == RUNTIME_ENTRY
-                              || rmode_ == EMBEDDED_OBJECT
+  ASSERT(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT
                               || rmode_ == EXTERNAL_REFERENCE);
   return reinterpret_cast<Address>(Assembler::target_pointer_address_at(pc_));
 }
 
 
 int RelocInfo::target_address_size() {
   return kPointerSize;
 }
 
 
 void RelocInfo::set_target_address(Address target, WriteBarrierMode mode) {
-  ASSERT(IsCodeTarget(rmode_) || rmode_ == RUNTIME_ENTRY);
+  ASSERT(IsCodeTarget(rmode_) || rmode_ == EXTERNAL_REFERENCE);
   Assembler::set_target_address_at(pc_, target);
   if (mode == UPDATE_WRITE_BARRIER && host() != NULL && IsCodeTarget(rmode_)) {
     Object* target_code = Code::GetCodeFromTargetAddress(target);
     host()->GetHeap()->incremental_marking()->RecordWriteIntoCode(
         host(), this, HeapObject::cast(target_code));
   }
 }
 
 
 Object* RelocInfo::target_object() {
@@ skipping 162 matching lines @@
 #ifdef ENABLE_DEBUGGER_SUPPORT
   // TODO(isolates): Get a cached isolate below.
   } else if (((RelocInfo::IsJSReturn(mode) &&
               IsPatchedReturnSequence()) ||
              (RelocInfo::IsDebugBreakSlot(mode) &&
               IsPatchedDebugBreakSlotSequence())) &&
              Isolate::Current()->debug()->has_break_points()) {
     visitor->VisitDebugTarget(this);
 #endif
   } else if (mode == RelocInfo::RUNTIME_ENTRY) {
+    UNREACHABLE();
     visitor->VisitRuntimeEntry(this);
   }
 }
 
 
 template<typename StaticVisitor>
 void RelocInfo::Visit(Heap* heap) {
   RelocInfo::Mode mode = rmode();
   if (mode == RelocInfo::EMBEDDED_OBJECT) {
     StaticVisitor::VisitEmbeddedPointer(heap, this);
   } else if (RelocInfo::IsCodeTarget(mode)) {
     StaticVisitor::VisitCodeTarget(heap, this);
   } else if (mode == RelocInfo::GLOBAL_PROPERTY_CELL) {
     StaticVisitor::VisitGlobalPropertyCell(heap, this);
   } else if (mode == RelocInfo::EXTERNAL_REFERENCE) {
     StaticVisitor::VisitExternalReference(this);
   } else if (RelocInfo::IsCodeAgeSequence(mode)) {
     StaticVisitor::VisitCodeAgeSequence(heap, this);
 #ifdef ENABLE_DEBUGGER_SUPPORT
   } else if (heap->isolate()->debug()->has_break_points() &&
              ((RelocInfo::IsJSReturn(mode) &&
               IsPatchedReturnSequence()) ||
              (RelocInfo::IsDebugBreakSlot(mode) &&
               IsPatchedDebugBreakSlotSequence()))) {
     StaticVisitor::VisitDebugTarget(heap, this);
 #endif
   } else if (mode == RelocInfo::RUNTIME_ENTRY) {
+    UNREACHABLE();
     StaticVisitor::VisitRuntimeEntry(this);
   }
 }
 
 
 Operand::Operand(int32_t immediate, RelocInfo::Mode rmode)  {
   rm_ = no_reg;
   imm32_ = immediate;
   rmode_ = rmode;
 }
@@ skipping 191 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_