Combine DEBUG_BREAK and DEBUG_PREPARE_STEP_IN into one IC stub kind DEBUG_STUB, encoding DEBUG_BREA…

src/objects.h

 // 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 160 matching lines @@
 };
 
 
 // Indicates whether transitions can be added to a source map or not.
 enum TransitionFlag {
   INSERT_TRANSITION,
   OMIT_TRANSITION
 };
 
 
+enum DebugExtraICState {
+  DEBUG_BREAK,
+  DEBUG_PREPARE_STEP_IN
+};
+
+
 // Indicates whether the transition is simple: the target map of the transition
 // either extends the current map with a new property, or it modifies the
 // property that was added last to the current map.
 enum SimpleTransitionFlag {
   SIMPLE_TRANSITION,
   FULL_TRANSITION
 };
 
 
 // Indicates whether we are only interested in the descriptors of a particular
@@ skipping 4113 matching lines @@
 
   // [flags]: Access to specific code flags.
   inline Kind kind();
   inline InlineCacheState ic_state();  // Only valid for IC stubs.
   inline ExtraICState extra_ic_state();  // Only valid for IC stubs.
   inline StubType type();  // Only valid for monomorphic IC stubs.
   inline int arguments_count();  // Only valid for call IC stubs.
 
   // Testers for IC stub kinds.
   inline bool is_inline_cache_stub();
+  inline bool is_debug_break();
   inline bool is_load_stub() { return kind() == LOAD_IC; }
   inline bool is_keyed_load_stub() { return kind() == KEYED_LOAD_IC; }
   inline bool is_store_stub() { return kind() == STORE_IC; }
   inline bool is_keyed_store_stub() { return kind() == KEYED_STORE_IC; }
   inline bool is_call_stub() { return kind() == CALL_IC; }
   inline bool is_keyed_call_stub() { return kind() == KEYED_CALL_IC; }
   inline bool is_unary_op_stub() { return kind() == UNARY_OP_IC; }
   inline bool is_binary_op_stub() { return kind() == BINARY_OP_IC; }
   inline bool is_compare_ic_stub() { return kind() == COMPARE_IC; }
   inline bool is_to_boolean_ic_stub() { return kind() == TO_BOOLEAN_IC; }
@@ skipping 4502 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_