Track counts/sizes of CODE sub types with --track-gc-object-stats

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 4168 matching lines @@
  public:
   // Opaque data type for encapsulating code flags like kind, inline
   // cache state, and arguments count.
   // FLAGS_MIN_VALUE and FLAGS_MAX_VALUE are specified to ensure that
   // enumeration type has correct value range (see Issue 830 for more details).
   enum Flags {
     FLAGS_MIN_VALUE = kMinInt,
     FLAGS_MAX_VALUE = kMaxInt
   };
 
+#define CODE_KIND_LIST(V) \
+  V(FUNCTION)             \
+  V(OPTIMIZED_FUNCTION)   \
+  V(STUB)                 \
+  V(BUILTIN)              \
+  V(LOAD_IC)              \
+  V(KEYED_LOAD_IC)        \
+  V(CALL_IC)              \
+  V(KEYED_CALL_IC)        \
+  V(STORE_IC)             \
+  V(KEYED_STORE_IC)       \
+  V(UNARY_OP_IC)          \
+  V(BINARY_OP_IC)         \
+  V(COMPARE_IC)           \
+  V(TO_BOOLEAN_IC)
+
   enum Kind {
-    FUNCTION,
-    OPTIMIZED_FUNCTION,
-    STUB,
-    BUILTIN,
-    LOAD_IC,
-    KEYED_LOAD_IC,
-    CALL_IC,
-    KEYED_CALL_IC,
-    STORE_IC,
-    KEYED_STORE_IC,
-    UNARY_OP_IC,
-    BINARY_OP_IC,
-    COMPARE_IC,
-    TO_BOOLEAN_IC,
-    // No more than 16 kinds. The value currently encoded in four bits in
-    // Flags.
+#define DEFINE_CODE_KIND_ENUM(name) name,
+    CODE_KIND_LIST(DEFINE_CODE_KIND_ENUM)
+#undef DEFINE_CODE_KIND_ENUM
 
     // Pseudo-kinds.
+    LAST_CODE_KIND = TO_BOOLEAN_IC,
     REGEXP = BUILTIN,
     FIRST_IC_KIND = LOAD_IC,
     LAST_IC_KIND = TO_BOOLEAN_IC
   };
 
+  // No more than 16 kinds. The value currently encoded in four bits in

[Michael Starzinger, 2012/07/17 10:48:16]

There is an "is" missing in the comment.

[danno, 2012/07/17 11:57:10]

Done.

+  // Flags.
+  STATIC_ASSERT(LAST_CODE_KIND < 16);
+
   // Types of stubs.
   enum StubType {
     NORMAL,
     FIELD,
     CONSTANT_FUNCTION,
     CALLBACKS,
     INTERCEPTOR,
     MAP_TRANSITION,
     NONEXISTENT
   };
@@ skipping 4666 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_