#include <serialize.h>

Inheritance diagram for v8::internal::SerializerDeserializer:

Collaboration diagram for v8::internal::SerializerDeserializer:

Static Public Member Functions
static void	Iterate (Isolate isolate, ObjectVisitor visitor)

static int	nop ()

Static Public Attributes
static const int	kNumberOfPreallocatedSpaces = LO_SPACE

static const int	kNumberOfSpaces = INVALID_SPACE

Protected Types
enum	Where { kNewObject = 0 , kRootArray = 0x9 , kPartialSnapshotCache = 0xa , kExternalReference = 0xb , kSkip = 0xc , kBuiltin = 0xd , kAttachedReference = 0xe , kNop = 0xf , kBackref = 0x10 , kBackrefWithSkip = 0x18 , kPointedToMask = 0x3f }

enum	HowToCode { kPlain = 0 , kFromCode = 0x40 , kHowToCodeMask = 0x40 }

enum	WithSkip { kNoSkipDistance = 0 , kHasSkipDistance = 0x40 , kWithSkipMask = 0x40 }

enum	WhereToPoint { kStartOfObject = 0 , kInnerPointer = 0x80 , kWhereToPointMask = 0x80 }

Protected Member Functions
	STATIC_ASSERT (kNumberOfSpaces<=kSpaceMask+1)

Static Protected Member Functions
static int	CodeForRepeats (int repeats)

static int	RepeatsForCode (int byte_code)

static int	RootArrayConstantFromByteCode (int byte_code)

Static Protected Attributes
static const int	kRawData = 0x20

static const int	kSynchronize = 0x70

static const int	kNativesStringResource = 0x71

static const int	kRepeat = 0x72

static const int	kConstantRepeat = 0x73

static const int	kMaxRepeats = 0x7f - 0x72

static const int	kRootArrayConstants = 0xa0

static const int	kRootArrayNumberOfConstantEncodings = 0x20

static const int	kAnyOldSpace = -1

static const int	kSpaceMask = 7

Detailed Description

Definition at line 145 of file serialize.h.

Member Enumeration Documentation

◆ HowToCode

enum v8::internal::SerializerDeserializer::HowToCode

protected

Enumerator
kPlain
kFromCode
kHowToCodeMask

Definition at line 176 of file serialize.h.

                  {
     kPlain = 0,                          // Straight pointer.
     // What this means depends on the architecture:
     kFromCode = 0x40,                    // A pointer inlined in code.
     kHowToCodeMask = 0x40
   };

◆ Where

enum v8::internal::SerializerDeserializer::Where

protected

Enumerator
kNewObject
kRootArray
kPartialSnapshotCache
kExternalReference
kSkip
kBuiltin
kAttachedReference
kNop
kBackref
kBackrefWithSkip
kPointedToMask

Definition at line 157 of file serialize.h.

              {
     kNewObject = 0,  // Object is next in snapshot.
     // 1-7                             One per space.
     kRootArray = 0x9,             // Object is found in root array.
     kPartialSnapshotCache = 0xa,  // Object is in the cache.
     kExternalReference = 0xb,     // Pointer to an external reference.
     kSkip = 0xc,                  // Skip n bytes.
     kBuiltin = 0xd,               // Builtin code object.
     kAttachedReference = 0xe,     // Object is described in an attached list.
     kNop = 0xf,                   // Does nothing, used to pad.
     kBackref = 0x10,              // Object is described relative to end.
     // 0x11-0x17                       One per space.
     kBackrefWithSkip = 0x18,  // Object is described relative to end.
     // 0x19-0x1f                       One per space.
     // 0x20-0x3f                       Used by misc. tags below.
     kPointedToMask = 0x3f
   };

◆ WhereToPoint

enum v8::internal::SerializerDeserializer::WhereToPoint

protected

Enumerator
kStartOfObject
kInnerPointer
kWhereToPointMask

Definition at line 191 of file serialize.h.

                     {
     kStartOfObject = 0,
     kInnerPointer = 0x80,  // First insn in code object or payload of cell.
     kWhereToPointMask = 0x80
   };

◆ WithSkip

enum v8::internal::SerializerDeserializer::WithSkip

protected

Enumerator
kNoSkipDistance
kHasSkipDistance
kWithSkipMask

Definition at line 184 of file serialize.h.

                 {
     kNoSkipDistance = 0,
     kHasSkipDistance = 0x40,
     kWithSkipMask = 0x40
   };

Member Function Documentation

◆ CodeForRepeats()

static int v8::internal::SerializerDeserializer::CodeForRepeats ( int repeats )

inlinestaticprotected

Definition at line 217 of file serialize.h.

                                          {
     DCHECK(repeats >= 1 && repeats <= kMaxRepeats);
     return 0x72 + repeats;
   }

References DCHECK, and kMaxRepeats.

Referenced by v8::internal::Serializer::ObjectSerializer::VisitPointers().

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◆ Iterate()

void v8::internal::SerializerDeserializer::Iterate	(	Isolate *	isolate,
		ObjectVisitor *	visitor
	)

static

Definition at line 1293 of file serialize.cc.

                                                              {
   if (isolate->serializer_enabled()) return;
   for (int i = 0; ; i++) {
     if (isolate->serialize_partial_snapshot_cache_length() <= i) {
       // Extend the array ready to get a value from the visitor when
       // deserializing.
       isolate->PushToPartialSnapshotCache(Smi::FromInt(0));
     }
     Object** cache = isolate->serialize_partial_snapshot_cache();
     visitor->VisitPointers(&cache[i], &cache[i + 1]);
     // Sentinel is the undefined object, which is a root so it will not normally
     // be found in the cache.
     if (cache[i] == isolate->heap()->undefined_value()) {
       break;
     }
   }
 }

References v8::internal::Smi::FromInt(), v8::internal::Isolate::heap(), v8::internal::Isolate::PushToPartialSnapshotCache(), and v8::internal::Isolate::serializer_enabled().

Referenced by v8::internal::Heap::IterateStrongRoots().

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◆ nop()

static int v8::internal::SerializerDeserializer::nop ( )

inlinestatic

Definition at line 149 of file serialize.h.

149 { return kNop; }

References kNop.

◆ RepeatsForCode()

static int v8::internal::SerializerDeserializer::RepeatsForCode ( int byte_code )

inlinestaticprotected

Definition at line 221 of file serialize.h.

                                            {
     DCHECK(byte_code >= kConstantRepeat && byte_code <= 0x7f);
     return byte_code - 0x72;
   }

References DCHECK, and kConstantRepeat.

Referenced by v8::internal::Deserializer::ReadChunk().

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◆ RootArrayConstantFromByteCode()

static int v8::internal::SerializerDeserializer::RootArrayConstantFromByteCode ( int byte_code )

inlinestaticprotected

Definition at line 228 of file serialize.h.

                                                           {
     return byte_code & 0x1f;
   }

Referenced by v8::internal::Deserializer::ReadChunk().

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◆ STATIC_ASSERT()

v8::internal::SerializerDeserializer::STATIC_ASSERT ( kNumberOfSpaces<=kSpaceMask+ 1 )

protected

Referenced by v8::internal::CodeSerializer::Deserialize(), and v8::internal::Deserializer::ReadChunk().

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Member Data Documentation

◆ kAnyOldSpace

const int v8::internal::SerializerDeserializer::kAnyOldSpace = -1

staticprotected

Definition at line 232 of file serialize.h.

◆ kConstantRepeat

const int v8::internal::SerializerDeserializer::kConstantRepeat = 0x73

staticprotected

Definition at line 214 of file serialize.h.

Referenced by v8::internal::Deserializer::ReadChunk(), and RepeatsForCode().

◆ kMaxRepeats

const int v8::internal::SerializerDeserializer::kMaxRepeats = 0x7f - 0x72

staticprotected

Definition at line 216 of file serialize.h.

Referenced by CodeForRepeats(), v8::internal::Deserializer::ReadChunk(), and v8::internal::Serializer::ObjectSerializer::VisitPointers().

◆ kNativesStringResource

const int v8::internal::SerializerDeserializer::kNativesStringResource = 0x71

staticprotected

Definition at line 212 of file serialize.h.

Referenced by v8::internal::Deserializer::ReadChunk(), and v8::internal::Serializer::ObjectSerializer::VisitExternalOneByteString().

◆ kNumberOfPreallocatedSpaces

const int v8::internal::SerializerDeserializer::kNumberOfPreallocatedSpaces = LO_SPACE

static

Definition at line 152 of file serialize.h.

Referenced by v8::internal::Serializer::Allocate(), v8::internal::Deserializer::Allocate(), v8::internal::Deserializer::GetAddressFromEnd(), and v8::internal::Heap::ReserveSpace().

◆ kNumberOfSpaces

const int v8::internal::SerializerDeserializer::kNumberOfSpaces = INVALID_SPACE

static

Definition at line 153 of file serialize.h.

Referenced by v8::internal::Serializer::CurrentAllocationAddress(), v8::internal::CodeSerializer::Deserialize(), v8::internal::Deserializer::DeserializePartial(), v8::internal::Deserializer::Deserializer(), v8::internal::Heap::ReserveSpace(), v8::internal::SerializedCodeData::SerializedCodeData(), v8::internal::Serializer::Serializer(), v8::internal::Deserializer::set_reservation(), and v8::internal::Serializer::SpaceOfObject().

◆ kRawData

const int v8::internal::SerializerDeserializer::kRawData = 0x20

staticprotected

Definition at line 202 of file serialize.h.

Referenced by v8::internal::Serializer::ObjectSerializer::OutputRawData(), v8::internal::Deserializer::ReadChunk(), and v8::internal::Serializer::VisitPointers().

◆ kRepeat

const int v8::internal::SerializerDeserializer::kRepeat = 0x72

staticprotected

Definition at line 213 of file serialize.h.

Referenced by v8::internal::Deserializer::ReadChunk(), and v8::internal::Serializer::ObjectSerializer::VisitPointers().

◆ kRootArrayConstants

const int v8::internal::SerializerDeserializer::kRootArrayConstants = 0xa0

staticprotected

Definition at line 225 of file serialize.h.

Referenced by v8::internal::Serializer::PutRoot(), and v8::internal::Deserializer::ReadChunk().

◆ kRootArrayNumberOfConstantEncodings

const int v8::internal::SerializerDeserializer::kRootArrayNumberOfConstantEncodings = 0x20

staticprotected

Definition at line 227 of file serialize.h.

Referenced by v8::internal::Serializer::PutRoot(), v8::internal::Deserializer::ReadChunk(), and v8::internal::Serializer::ObjectSerializer::VisitPointers().

◆ kSpaceMask

const int v8::internal::SerializerDeserializer::kSpaceMask = 7

staticprotected

Definition at line 235 of file serialize.h.

◆ kSynchronize

const int v8::internal::SerializerDeserializer::kSynchronize = 0x70

staticprotected

Definition at line 209 of file serialize.h.

Referenced by v8::internal::Deserializer::ReadChunk().

The documentation for this class was generated from the following files:

/mnt/V8SourceCode/src/serialize.h
/mnt/V8SourceCode/src/serialize.cc

Static Public Member Functions

Static Public Attributes

Protected Types

Protected Member Functions

Static Protected Member Functions

Static Protected Attributes

Detailed Description

Member Enumeration Documentation

◆ HowToCode

◆ Where

◆ WhereToPoint

◆ WithSkip

Member Function Documentation

◆ CodeForRepeats()

◆ Iterate()

◆ nop()

◆ RepeatsForCode()

◆ RootArrayConstantFromByteCode()

◆ STATIC_ASSERT()

Member Data Documentation

◆ kAnyOldSpace

◆ kConstantRepeat

◆ kMaxRepeats

◆ kNativesStringResource

◆ kNumberOfPreallocatedSpaces

◆ kNumberOfSpaces

◆ kRawData

◆ kRepeat

◆ kRootArrayConstants

◆ kRootArrayNumberOfConstantEncodings

◆ kSpaceMask

◆ kSynchronize