Allocation Info Tracking, continued.

src/heap.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 570 matching lines @@
 
   // Uncommit unused semi space.
   bool UncommitFromSpace() { return new_space_.UncommitFromSpace(); }
 
   // Allocates and initializes a new JavaScript object based on a
   // constructor.
   // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation
   // failed.
   // Please note this does not perform a garbage collection.
   MUST_USE_RESULT MaybeObject* AllocateJSObject(
-      JSFunction* constructor, PretenureFlag pretenure = NOT_TENURED);
+      JSFunction* constructor,
+      PretenureFlag pretenure = NOT_TENURED,
+      AllocationSiteMode = DONT_TRACK_ALLOCATION_SITE,
+      Handle<Object>* allocation_site_info_payload = NULL);
 
   MUST_USE_RESULT MaybeObject* AllocateJSModule(Context* context,
                                                 ScopeInfo* scope_info);
 
   // Allocate a JSArray with no elements
   MUST_USE_RESULT MaybeObject* AllocateEmptyJSArray(
       ElementsKind elements_kind,
+      AllocationSiteMode allocation_site_mode = DONT_TRACK_ALLOCATION_SITE,
+      Handle<Object> *allocation_site_payload = NULL,
       PretenureFlag pretenure = NOT_TENURED) {
+    // TODO(mvstanton): Danno's original change does something here, but I
+    // didn't include it because I don't see why we need it yet.

[Toon Verwaest, 2013/02/13 15:14:51]

Outdated comment?

[mvstanton, 2013/02/19 11:04:08]

yep, thx!

     return AllocateJSArrayAndStorage(elements_kind, 0, 0,
+                                     allocation_site_mode,
+                                     allocation_site_payload,
                                      DONT_INITIALIZE_ARRAY_ELEMENTS,
                                      pretenure);
   }
 
   // Allocate a JSArray with a specified length but elements that are left
   // uninitialized.
   MUST_USE_RESULT MaybeObject* AllocateJSArrayAndStorage(
       ElementsKind elements_kind,
       int length,
       int capacity,
+      AllocationSiteMode allocation_site_info_mode =
+          DONT_TRACK_ALLOCATION_SITE,
+      Handle<Object> *allocation_site_payload = NULL,
       ArrayStorageAllocationMode mode = DONT_INITIALIZE_ARRAY_ELEMENTS,
       PretenureFlag pretenure = NOT_TENURED);
 
   // Allocate a JSArray with no elements
   MUST_USE_RESULT MaybeObject* AllocateJSArrayWithElements(
       FixedArrayBase* array_base,
       ElementsKind elements_kind,
       int length,
       PretenureFlag pretenure = NOT_TENURED);
 
@@ skipping 42 matching lines @@
   // constructor.  The object is reinitialized and behaves as an
   // object that has been freshly allocated using the constructor.
   MUST_USE_RESULT MaybeObject* ReinitializeJSGlobalProxy(
       JSFunction* constructor, JSGlobalProxy* global);
 
   // Allocates and initializes a new JavaScript object based on a map.
   // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation
   // failed.
   // Please note this does not perform a garbage collection.
   MUST_USE_RESULT MaybeObject* AllocateJSObjectFromMap(
-      Map* map, PretenureFlag pretenure = NOT_TENURED);
+      Map* map, PretenureFlag pretenure = NOT_TENURED,
+      AllocationSiteMode mode = DONT_TRACK_ALLOCATION_SITE,
+      Handle<Object>* allocation_site_info_payload = NULL);
 
   // Allocates a heap object based on the map.
   // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation
   // failed.
   // Please note this function does not perform a garbage collection.
   MUST_USE_RESULT MaybeObject* Allocate(Map* map, AllocationSpace space);
 
+  MUST_USE_RESULT MaybeObject* AllocateWithAllocationSiteInfo(Map* map,
+      AllocationSpace space,
+      Handle<Object>* allocation_site_info_payload);
+
   // Allocates a JS Map in the heap.
   // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation
   // failed.
   // Please note this function does not perform a garbage collection.
   MUST_USE_RESULT MaybeObject* AllocateMap(
       InstanceType instance_type,
       int instance_size,
       ElementsKind elements_kind = TERMINAL_FAST_ELEMENTS_KIND);
 
   // Allocates a partial map for bootstrapping.
@@ skipping 1317 matching lines @@
 
   void CreateFixedStubs();
 
   MUST_USE_RESULT MaybeObject* CreateOddball(const char* to_string,
                                              Object* to_number,
                                              byte kind);
 
   // Allocate a JSArray with no elements
   MUST_USE_RESULT MaybeObject* AllocateJSArray(
       ElementsKind elements_kind,
-      PretenureFlag pretenure = NOT_TENURED);
+      PretenureFlag pretenure = NOT_TENURED,
+      AllocationSiteMode mode = DONT_TRACK_ALLOCATION_SITE,
+      Handle<Object>* allocation_site_info_payload = NULL);
 
   // Allocate empty fixed array.
   MUST_USE_RESULT MaybeObject* AllocateEmptyFixedArray();
 
   // Allocate empty fixed double array.
   MUST_USE_RESULT MaybeObject* AllocateEmptyFixedDoubleArray();
 
   // Performs a minor collection in new generation.
   void Scavenge();
 
@@ skipping 916 matching lines @@
   AssertNoAllocation no_alloc;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_H_