Create AllocationSite objects, pointed to by AllocationSiteInfo.

src/objects-printer.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 1072 matching lines @@
 }
 
 
 void TypeSwitchInfo::TypeSwitchInfoPrint(FILE* out) {
   HeapObject::PrintHeader(out, "TypeSwitchInfo");
   PrintF(out, "\n - types: ");
   types()->ShortPrint(out);
 }
 
 
-void AllocationSiteInfo::AllocationSiteInfoPrint(FILE* out) {
-  HeapObject::PrintHeader(out, "AllocationSiteInfo");
+void AllocationSite::AllocationSitePrint(FILE* out) {
+  HeapObject::PrintHeader(out, "AllocationSite");
   PrintF(out, " - payload: ");
   if (payload()->IsJSGlobalPropertyCell()) {
     JSGlobalPropertyCell* cell = JSGlobalPropertyCell::cast(payload());
     Object* cell_contents = cell->value();
     if (cell_contents->IsSmi()) {
       ElementsKind kind = static_cast<ElementsKind>(
           Smi::cast(cell_contents)->value());
       PrintF(out, "Array allocation with ElementsKind ");
       PrintElementsKind(out, kind);
       PrintF(out, "\n");
       return;
     }
   } else if (payload()->IsJSArray()) {
     PrintF(out, "Array literal ");
     payload()->ShortPrint(out);
     PrintF(out, "\n");
     return;
   }
 
   PrintF(out, "unknown payload ");
   payload()->ShortPrint(out);
   PrintF(out, "\n");
 }
 
 
+void AllocationSiteInfo::AllocationSiteInfoPrint(FILE* out) {
+  HeapObject::PrintHeader(out, "AllocationSiteInfo");
+  PrintF(out, " - payload: ");

[Hannes Payer (out of office), 2013/06/25 16:35:07]

Why don't we call payload AllocationSite? That would carry more information.

[mvstanton, 2013/07/02 13:55:11]

Done, but the type has to remain object because it can get cleared to Undefined
when type cells are cleared.

+  AllocationSite::cast(payload())->Print();
+}
+
+
 void Script::ScriptPrint(FILE* out) {
   HeapObject::PrintHeader(out, "Script");
   PrintF(out, "\n - source: ");
   source()->ShortPrint(out);
   PrintF(out, "\n - name: ");
   name()->ShortPrint(out);
   PrintF(out, "\n - line_offset: ");
   line_offset()->ShortPrint(out);
   PrintF(out, "\n - column_offset: ");
   column_offset()->ShortPrint(out);
@@ skipping 84 matching lines @@
     }
   }
   PrintF(out, "\n");
 }
 
 
 #endif  // OBJECT_PRINT
 
 
 } }  // namespace v8::internal