src/heap.cc

#include "v8.h"
#include "accessors.h"
#include "api.h"
#include "bootstrapper.h"
#include "codegen-inl.h"
#include "compilation-cache.h"
#include "debug.h"
#include "global-handles.h"
#include "jsregexp.h"
#include "mark-compact.h"
#include "natives.h"
#include "scanner.h"
#include "scopeinfo.h"
#include "v8threads.h"

ソースコードを見る。

構成
class	v8::internal::ScavengeVisitor
class	v8::internal::UpdateRSetVisitor
ネームスペース
namespace	v8
namespace	v8::internal
マクロ定義
#define	ROOT_ALLOCATION(type, name)   type* Heap::name##_;
#define	STRUCT_ALLOCATION(NAME, Name, name)   Map* Heap::name##_map_;
#define	SYMBOL_ALLOCATION(name, string)   String* Heap::name##_;
#define	ALLOCATE_STRING_MAP(type, size, name)
#define	ALLOCATE_STRUCT_MAP(NAME, Name, name)
#define	SYMBOL_INITIALIZE(name, string)
#define	MAKE_CASE(NAME, Name, name)   case NAME##_TYPE: map = name##_map(); break;
#define	SYNCHRONIZE_TAG(tag)
#define	ROOT_ITERATE(type, name)   v->VisitPointer(bit_cast<Object**, type**>(&name##_));
#define	STRUCT_MAP_ITERATE(NAME, Name, name)   v->VisitPointer(bit_cast<Object**, Map**>(&name##_map_));
#define	SYMBOL_ITERATE(name, string)   v->VisitPointer(bit_cast<Object**, String**>(&name##_));
関数
static bool	v8::internal::IsShortcutCandidate (HeapObject *object, Map *map)
static int	v8::internal::double_get_hash (double d)
static int	v8::internal::smi_get_hash (Smi *smi)
変数
static const int	v8::internal::kMinimumPromotionLimit = 2*MB
static const int	v8::internal::kMinimumAllocationLimit = 8*MB
static Address	v8::internal::promoted_top = NULL
static bool	v8::internal::heap_configured = false

---

マクロ定義

#define ALLOCATE_STRING_MAP	(		type,
			size,
			name
	)

値:

obj = AllocateMap(type, size);              \
    if (obj->IsFailure()) return false;         \
    name##_map_ = Map::cast(obj);

参照元 v8::internal::Heap::CreateInitialMaps().

#define ALLOCATE_STRUCT_MAP	(		NAME,
			Name,
			name
	)

値:

obj = AllocateMap(NAME##_TYPE, Name::kSize);     \
  if (obj->IsFailure()) return false;              \
  name##_map_ = Map::cast(obj);

参照元 v8::internal::Heap::CreateInitialMaps().

#define MAKE_CASE	(		NAME,
			Name,
			name
	)			case NAME##_TYPE: map = name##_map(); break;

参照元 v8::internal::Heap::AllocateStruct().

#define ROOT_ALLOCATION	(		type,
			name
	)			type* Heap::name##_;

heap.cc の 45 行で定義されています。

#define ROOT_ITERATE	(		type,
			name
	)			v->VisitPointer(bit_cast<Object**, type**>(&name##_));

参照元 v8::internal::Heap::IterateStrongRoots().

#define STRUCT_ALLOCATION	(		NAME,
			Name,
			name
	)			Map* Heap::name##_map_;

heap.cc の 50 行で定義されています。

#define STRUCT_MAP_ITERATE	(		NAME,
			Name,
			name
	)			v->VisitPointer(bit_cast<Object**, Map**>(&name##_map_));

参照元 v8::internal::Heap::IterateStrongRoots().

#define SYMBOL_ALLOCATION	(		name,
			string
	)			String* Heap::name##_;

heap.cc の 55 行で定義されています。

#define SYMBOL_INITIALIZE	(		name,
			string
	)

値:

obj = LookupAsciiSymbol(string);                      \
  if (obj->IsFailure()) return false;                   \
  (name##_) = String::cast(obj);

参照元 v8::internal::Heap::CreateInitialObjects().

#define SYMBOL_ITERATE	(		name,
			string
	)			v->VisitPointer(bit_cast<Object**, String**>(&name##_));

参照元 v8::internal::Heap::IterateStrongRoots().

#define SYNCHRONIZE_TAG

(

tag

)

heap.cc の 2512 行で定義されています。

参照元 v8::internal::Heap::IterateRoots(), と v8::internal::Heap::IterateStrongRoots().