v8::internal::RelocInfo Class Reference

#include <assembler.h>

Collaboration diagram for v8::internal::RelocInfo:

Public Types
enum	Mode {   CODE_TARGET , CODE_TARGET_WITH_ID , CONSTRUCT_CALL , DEBUG_BREAK ,   EMBEDDED_OBJECT , CELL , RUNTIME_ENTRY , JS_RETURN ,   COMMENT , POSITION , STATEMENT_POSITION , DEBUG_BREAK_SLOT ,   EXTERNAL_REFERENCE , INTERNAL_REFERENCE , CONST_POOL , VENEER_POOL ,   NUMBER_OF_MODES , NONE32 , NONE64 , CODE_AGE_SEQUENCE ,   FIRST_REAL_RELOC_MODE = CODE_TARGET , LAST_REAL_RELOC_MODE = VENEER_POOL , FIRST_PSEUDO_RELOC_MODE = CODE_AGE_SEQUENCE , LAST_PSEUDO_RELOC_MODE = CODE_AGE_SEQUENCE ,   LAST_CODE_ENUM = DEBUG_BREAK , LAST_GCED_ENUM = CELL , LAST_COMPACT_ENUM = CODE_TARGET_WITH_ID , LAST_STANDARD_NONCOMPACT_ENUM = INTERNAL_REFERENCE }

Public Member Functions
	RelocInfo ()
	RelocInfo (byte *pc, Mode rmode, intptr_t data, Code *host)
	RelocInfo (byte *pc, double data64)
byte *	pc () const
void	set_pc (byte *pc)
Mode	rmode () const
intptr_t	data () const
double	data64 () const
uint64_t	raw_data64 ()
Code *	host () const
void	set_host (Code *host)
	INLINE (void apply(intptr_t delta, ICacheFlushMode icache_flush_mode=FLUSH_ICACHE_IF_NEEDED))
bool	IsCodedSpecially ()
bool	IsInConstantPool ()
	INLINE (Address target_address())
	INLINE (void set_target_address(Address target, WriteBarrierMode write_barrier_mode=UPDATE_WRITE_BARRIER, ICacheFlushMode icache_flush_mode=FLUSH_ICACHE_IF_NEEDED))
	INLINE (Object *target_object())
	INLINE (Handle< Object > target_object_handle(Assembler *origin))
	INLINE (void set_target_object(Object *target, WriteBarrierMode write_barrier_mode=UPDATE_WRITE_BARRIER, ICacheFlushMode icache_flush_mode=FLUSH_ICACHE_IF_NEEDED))
	INLINE (Address target_runtime_entry(Assembler *origin))
	INLINE (void set_target_runtime_entry(Address target, WriteBarrierMode write_barrier_mode=UPDATE_WRITE_BARRIER, ICacheFlushMode icache_flush_mode=FLUSH_ICACHE_IF_NEEDED))
	INLINE (Cell *target_cell())
	INLINE (Handle< Cell > target_cell_handle())
	INLINE (void set_target_cell(Cell *cell, WriteBarrierMode write_barrier_mode=UPDATE_WRITE_BARRIER, ICacheFlushMode icache_flush_mode=FLUSH_ICACHE_IF_NEEDED))
	INLINE (Handle< Object > code_age_stub_handle(Assembler *origin))
	INLINE (Code *code_age_stub())
	INLINE (void set_code_age_stub(Code *stub, ICacheFlushMode icache_flush_mode=FLUSH_ICACHE_IF_NEEDED))
	INLINE (Address constant_pool_entry_address())
	INLINE (Address target_address_address())
	INLINE (int target_address_size())
	INLINE (Address target_reference())
	INLINE (Address call_address())
	INLINE (void set_call_address(Address target))
	INLINE (Object *call_object())
	INLINE (void set_call_object(Object *target))
	INLINE (Object **call_object_address())
	INLINE (void WipeOut())
template<typename StaticVisitor >
void	Visit (Heap *heap)
void	Visit (Isolate *isolate, ObjectVisitor *v)
void	PatchCode (byte *instructions, int instruction_count)
void	PatchCodeWithCall (Address target, int guard_bytes)
	INLINE (bool IsPatchedReturnSequence())
	INLINE (bool IsPatchedDebugBreakSlotSequence())

Static Public Member Functions
static bool	IsRealRelocMode (Mode mode)
static bool	IsPseudoRelocMode (Mode mode)
static bool	IsConstructCall (Mode mode)
static bool	IsCodeTarget (Mode mode)
static bool	IsEmbeddedObject (Mode mode)
static bool	IsRuntimeEntry (Mode mode)
static bool	IsGCRelocMode (Mode mode)
static bool	IsJSReturn (Mode mode)
static bool	IsComment (Mode mode)
static bool	IsConstPool (Mode mode)
static bool	IsVeneerPool (Mode mode)
static bool	IsPosition (Mode mode)
static bool	IsStatementPosition (Mode mode)
static bool	IsExternalReference (Mode mode)
static bool	IsInternalReference (Mode mode)
static bool	IsDebugBreakSlot (Mode mode)
static bool	IsNone (Mode mode)
static bool	IsCodeAgeSequence (Mode mode)
static int	ModeMask (Mode mode)
static bool	IsEqual (RelocInfo first, RelocInfo second)

Static Public Attributes
static const int	kNoPosition = -1
static const char *const	kFillerCommentString = "DEOPTIMIZATION PADDING"
static const int	kMinRelocCommentSize = 3 + kPointerSize
static const int	kMaxCallSize = 6
static const int	kMaxSmallPCDelta = kSmallPCDeltaMask
static const int	kCodeTargetMask = (1 << (LAST_CODE_ENUM + 1)) - 1
static const int	kPositionMask = 1 << POSITION | 1 << STATEMENT_POSITION
static const int	kDataMask
static const int	kApplyMask

Private Attributes
byte *	pc_
Mode	rmode_
union {
intptr_t   data_
double   data64_
};
Code *	host_
Address	reconstructed_adr_ptr_

Friends
class	RelocIterator

Detailed Description

Definition at line 306 of file assembler.h.

Member Enumeration Documentation

Mode

enum v8::internal::RelocInfo::Mode

Enumerator
CODE_TARGET
CODE_TARGET_WITH_ID
CONSTRUCT_CALL
DEBUG_BREAK
EMBEDDED_OBJECT
CELL
RUNTIME_ENTRY
JS_RETURN
COMMENT
POSITION
STATEMENT_POSITION
DEBUG_BREAK_SLOT
EXTERNAL_REFERENCE
INTERNAL_REFERENCE
CONST_POOL
VENEER_POOL
NUMBER_OF_MODES
NONE32
NONE64
CODE_AGE_SEQUENCE
FIRST_REAL_RELOC_MODE
LAST_REAL_RELOC_MODE
FIRST_PSEUDO_RELOC_MODE
LAST_PSEUDO_RELOC_MODE
LAST_CODE_ENUM
LAST_GCED_ENUM
LAST_COMPACT_ENUM
LAST_STANDARD_NONCOMPACT_ENUM

Definition at line 336 of file assembler.h.

            {
    // Please note the order is important (see IsCodeTarget, IsGCRelocMode).
    CODE_TARGET,  // Code target which is not any of the above.
    CODE_TARGET_WITH_ID,
    CONSTRUCT_CALL,  // code target that is a call to a JavaScript constructor.
    DEBUG_BREAK,  // Code target for the debugger statement.
    EMBEDDED_OBJECT,
    CELL,
 
    // Everything after runtime_entry (inclusive) is not GC'ed.
    RUNTIME_ENTRY,
    JS_RETURN,  // Marks start of the ExitJSFrame code.
    COMMENT,
    POSITION,  // See comment for kNoPosition above.
    STATEMENT_POSITION,  // See comment for kNoPosition above.
    DEBUG_BREAK_SLOT,  // Additional code inserted for debug break slot.
    EXTERNAL_REFERENCE,  // The address of an external C++ function.
    INTERNAL_REFERENCE,  // An address inside the same function.
 
    // Marks constant and veneer pools. Only used on ARM and ARM64.
    // They use a custom noncompact encoding.
    CONST_POOL,
    VENEER_POOL,
 
    // add more as needed
    // Pseudo-types
    NUMBER_OF_MODES,  // There are at most 15 modes with noncompact encoding.
    NONE32,  // never recorded 32-bit value
    NONE64,  // never recorded 64-bit value
    CODE_AGE_SEQUENCE,  // Not stored in RelocInfo array, used explictly by
                        // code aging.
    FIRST_REAL_RELOC_MODE = CODE_TARGET,
    LAST_REAL_RELOC_MODE = VENEER_POOL,
    FIRST_PSEUDO_RELOC_MODE = CODE_AGE_SEQUENCE,
    LAST_PSEUDO_RELOC_MODE = CODE_AGE_SEQUENCE,
    LAST_CODE_ENUM = DEBUG_BREAK,
    LAST_GCED_ENUM = CELL,
    // Modes <= LAST_COMPACT_ENUM are guaranteed to have compact encoding.
    LAST_COMPACT_ENUM = CODE_TARGET_WITH_ID,
    LAST_STANDARD_NONCOMPACT_ENUM = INTERNAL_REFERENCE
  };

Constructor & Destructor Documentation

RelocInfo() [1/3]

v8::internal::RelocInfo::RelocInfo ( )

inline

Definition at line 378 of file assembler.h.

{}

RelocInfo() [2/3]

v8::internal::RelocInfo::RelocInfo ( byte *  pc, Mode  rmode, intptr_t  data, Code *  host  )

inline

Definition at line 380 of file assembler.h.

      : pc_(pc), rmode_(rmode), data_(data), host_(host) {
  }

RelocInfo() [3/3]

v8::internal::RelocInfo::RelocInfo ( byte *  pc, double  data64  )

inline

Definition at line 383 of file assembler.h.

      : pc_(pc), rmode_(NONE64), data64_(data64), host_(NULL) {
  }

Member Function Documentation

data()

intptr_t v8::internal::RelocInfo::data ( ) const

inline

Definition at line 460 of file assembler.h.

{ return data_; }

References data_.

Referenced by v8::internal::ComputeCodeOffsetFromPcOffset(), v8::internal::ComputePcOffsetFromCodeOffset(), IsEqual(), v8::internal::BreakLocationIterator::Next(), v8::internal::PatchPositionsInCode(), v8::internal::Code::PrintDeoptLocation(), v8::internal::RUNTIME_FUNCTION(), v8::internal::Code::SourcePosition(), and v8::internal::Code::SourceStatementPosition().

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data64()

double v8::internal::RelocInfo::data64 ( ) const

inline

Definition at line 461 of file assembler.h.

{ return data64_; }

References data64_.

host()

Code* v8::internal::RelocInfo::host ( ) const

inline

Definition at line 463 of file assembler.h.

{ return host_; }

References host_.

Referenced by v8::internal::Code::ClearInlineCaches(), v8::internal::MarkCompactCollector::RecordRelocSlot(), and set_host().

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INLINE() [1/26]

v8::internal::RelocInfo::INLINE

(

Address

call_address()

)

INLINE() [2/26]

v8::internal::RelocInfo::INLINE

(

Address

constant_pool_entry_address()

)

INLINE() [3/26]

v8::internal::RelocInfo::INLINE

(

Address

target_address()

)

INLINE() [4/26]

v8::internal::RelocInfo::INLINE

(

Address

target_address_address()

)

INLINE() [5/26]

v8::internal::RelocInfo::INLINE

(

Address

target_reference()

)

INLINE() [6/26]

v8::internal::RelocInfo::INLINE

(

Address

target_runtime_entryAssembler *origin

)

INLINE() [7/26]

v8::internal::RelocInfo::INLINE

(

bool

IsPatchedDebugBreakSlotSequence()

)

INLINE() [8/26]

v8::internal::RelocInfo::INLINE

(

bool

IsPatchedReturnSequence()

)

INLINE() [9/26]

v8::internal::RelocInfo::INLINE

(

Cell *

target_cell()

)

INLINE() [10/26]

v8::internal::RelocInfo::INLINE

(

Code *

code_age_stub()

)

INLINE() [11/26]

v8::internal::RelocInfo::INLINE

(

Handle< Cell >

target_cell_handle()

)

INLINE() [12/26]

v8::internal::RelocInfo::INLINE

(

Handle< Object >

code_age_stub_handleAssembler *origin

)

INLINE() [13/26]

v8::internal::RelocInfo::INLINE

(

Handle< Object >

target_object_handleAssembler *origin

)

INLINE() [14/26]

v8::internal::RelocInfo::INLINE

(

int

target_address_size()

)

INLINE() [15/26]

v8::internal::RelocInfo::INLINE

(

Object **

call_object_address()

)

INLINE() [16/26]

v8::internal::RelocInfo::INLINE

(

Object *

call_object()

)

INLINE() [17/26]

v8::internal::RelocInfo::INLINE

(

Object *

target_object()

)

INLINE() [18/26]

v8::internal::RelocInfo::INLINE

(

void

applyintptr_t delta, ICacheFlushMode icache_flush_mode=FLUSH_ICACHE_IF_NEEDED

)

INLINE() [19/26]

v8::internal::RelocInfo::INLINE

(

void

set_call_addressAddress target

)

INLINE() [20/26]

v8::internal::RelocInfo::INLINE

(

void

set_call_objectObject *target

)

INLINE() [21/26]

v8::internal::RelocInfo::INLINE

(

void

set_code_age_stubCode *stub, ICacheFlushMode icache_flush_mode=FLUSH_ICACHE_IF_NEEDED

)

INLINE() [22/26]

v8::internal::RelocInfo::INLINE

(

void

set_target_addressAddress target, WriteBarrierMode write_barrier_mode=UPDATE_WRITE_BARRIER, ICacheFlushMode icache_flush_mode=FLUSH_ICACHE_IF_NEEDED

)

INLINE() [23/26]

v8::internal::RelocInfo::INLINE

(

void

set_target_cellCell *cell, WriteBarrierMode write_barrier_mode=UPDATE_WRITE_BARRIER, ICacheFlushMode icache_flush_mode=FLUSH_ICACHE_IF_NEEDED

)

INLINE() [24/26]

v8::internal::RelocInfo::INLINE

(

void

set_target_objectObject *target, WriteBarrierMode write_barrier_mode=UPDATE_WRITE_BARRIER, ICacheFlushMode icache_flush_mode=FLUSH_ICACHE_IF_NEEDED

)

INLINE() [25/26]

v8::internal::RelocInfo::INLINE

(

void

set_target_runtime_entryAddress target, WriteBarrierMode write_barrier_mode=UPDATE_WRITE_BARRIER, ICacheFlushMode icache_flush_mode=FLUSH_ICACHE_IF_NEEDED

)

INLINE() [26/26]

v8::internal::RelocInfo::INLINE

(

void

WipeOut()

)

IsCodeAgeSequence()

static bool v8::internal::RelocInfo::IsCodeAgeSequence ( Mode  mode )

inlinestatic

Definition at line 442 of file assembler.h.

                                                  {
    return mode == CODE_AGE_SEQUENCE;
  }

References CODE_AGE_SEQUENCE, and mode().

Referenced by Visit(), and v8::internal::PointersUpdatingVisitor::VisitCodeAgeSequence().

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IsCodedSpecially()

bool v8::internal::RelocInfo::IsCodedSpecially

(

)

Referenced by v8::internal::Serializer::ObjectSerializer::VisitEmbeddedPointer(), v8::internal::Serializer::ObjectSerializer::VisitExternalReference(), and v8::internal::Serializer::ObjectSerializer::VisitRuntimeEntry().

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IsCodeTarget()

static bool v8::internal::RelocInfo::IsCodeTarget ( Mode  mode )

inlinestatic

Definition at line 399 of file assembler.h.

                                             {
    return mode <= LAST_CODE_ENUM;
  }

References LAST_CODE_ENUM, and mode().

Referenced by v8::internal::Code::CopyFrom(), v8::internal::Assembler::emit_code_target(), v8::internal::BreakLocationIterator::IsStepInLocation(), v8::internal::BreakLocationIterator::Next(), v8::internal::Debug::PrepareStep(), v8::internal::MarkCompactCollector::RecordRelocSlot(), v8::internal::BreakLocationIterator::SetDebugBreakAtIC(), v8::internal::SlotTypeForRMode(), Visit(), v8::internal::PointersUpdatingVisitor::VisitCodeTarget(), and v8::internal::ReplacingVisitor::VisitCodeTarget().

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IsComment()

static bool v8::internal::RelocInfo::IsComment ( Mode  mode )

inlinestatic

Definition at line 415 of file assembler.h.

                                          {
    return mode == COMMENT;
  }

References COMMENT, and mode().

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IsConstPool()

static bool v8::internal::RelocInfo::IsConstPool ( Mode  mode )

inlinestatic

Definition at line 418 of file assembler.h.

                                            {
    return mode == CONST_POOL;
  }

References CONST_POOL, and mode().

Referenced by v8::internal::ComputeCodeOffsetFromPcOffset(), and v8::internal::ComputePcOffsetFromCodeOffset().

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IsConstructCall()

static bool v8::internal::RelocInfo::IsConstructCall ( Mode  mode )

inlinestatic

Definition at line 396 of file assembler.h.

                                                {
    return mode == CONSTRUCT_CALL;
  }

References CONSTRUCT_CALL, and mode().

Referenced by v8::internal::DebugBreakForIC(), v8::internal::BreakLocationIterator::IsStepInLocation(), v8::internal::BreakLocationIterator::Next(), v8::internal::Debug::PrepareStep(), and v8::internal::BreakLocationIterator::PrepareStepIn().

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IsDebugBreakSlot()

static bool v8::internal::RelocInfo::IsDebugBreakSlot ( Mode  mode )

inlinestatic

Definition at line 436 of file assembler.h.

                                                 {
    return mode == DEBUG_BREAK_SLOT;
  }

References DEBUG_BREAK_SLOT, and mode().

Referenced by v8::internal::ComputePcOffsetFromCodeOffset(), v8::internal::Debug::SetAfterBreakTarget(), v8::internal::SlotTypeForRMode(), Visit(), and v8::internal::PointersUpdatingVisitor::VisitDebugTarget().

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IsEmbeddedObject()

static bool v8::internal::RelocInfo::IsEmbeddedObject ( Mode  mode )

inlinestatic

Definition at line 402 of file assembler.h.

                                                 {
    return mode == EMBEDDED_OBJECT;
  }

References EMBEDDED_OBJECT, and mode().

Referenced by v8::internal::MarkCompactCollector::RecordRelocSlot(), and v8::internal::SlotTypeForRMode().

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IsEqual()

static bool v8::internal::RelocInfo::IsEqual ( RelocInfo  first, RelocInfo  second  )

inlinestatic

Definition at line 449 of file assembler.h.

                                                                {
    return first.rmode() == second.rmode() &&
           (first.rmode() == RelocInfo::NONE64 ?
              first.raw_data64() == second.raw_data64() :
              first.data() == second.data());
  }

References data(), NONE64, raw_data64(), and rmode().

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IsExternalReference()

static bool v8::internal::RelocInfo::IsExternalReference ( Mode  mode )

inlinestatic

Definition at line 430 of file assembler.h.

                                                    {
    return mode == EXTERNAL_REFERENCE;
  }

References EXTERNAL_REFERENCE, and mode().

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IsGCRelocMode()

static bool v8::internal::RelocInfo::IsGCRelocMode ( Mode  mode )

inlinestatic

Definition at line 409 of file assembler.h.

                                              {
    return mode <= LAST_GCED_ENUM;
  }

References LAST_GCED_ENUM, and mode().

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IsInConstantPool()

bool v8::internal::RelocInfo::IsInConstantPool

(

)

Referenced by v8::internal::MarkCompactCollector::RecordRelocSlot(), v8::internal::Serializer::ObjectSerializer::VisitCell(), v8::internal::Serializer::ObjectSerializer::VisitCodeTarget(), and v8::internal::Serializer::ObjectSerializer::VisitEmbeddedPointer().

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IsInternalReference()

static bool v8::internal::RelocInfo::IsInternalReference ( Mode  mode )

inlinestatic

Definition at line 433 of file assembler.h.

                                                    {
    return mode == INTERNAL_REFERENCE;
  }

References INTERNAL_REFERENCE, and mode().

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IsJSReturn()

static bool v8::internal::RelocInfo::IsJSReturn ( Mode  mode )

inlinestatic

Definition at line 412 of file assembler.h.

                                           {
    return mode == JS_RETURN;
  }

References JS_RETURN, and mode().

Referenced by v8::internal::BreakLocationIterator::ClearDebugBreak(), v8::internal::Debug::IsBreakAtReturn(), v8::internal::BreakLocationIterator::IsDebugBreak(), v8::internal::BreakLocationIterator::IsExit(), v8::internal::BreakLocationIterator::Next(), v8::internal::Debug::SetAfterBreakTarget(), v8::internal::BreakLocationIterator::SetDebugBreak(), v8::internal::SlotTypeForRMode(), Visit(), and v8::internal::PointersUpdatingVisitor::VisitDebugTarget().

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IsNone()

static bool v8::internal::RelocInfo::IsNone ( Mode  mode )

inlinestatic

Definition at line 439 of file assembler.h.

                                       {
    return mode == NONE32 || mode == NONE64;
  }

References mode(), NONE32, and NONE64.

Referenced by v8::internal::Assembler::emit(), v8::internal::Assembler::emit_w(), v8::internal::Assembler::emitp(), v8::internal::BASE_EMBEDDED< Visitor >::is_int16(), v8::internal::BASE_EMBEDDED< Visitor >::is_int8(), v8::internal::BASE_EMBEDDED< Visitor >::is_zero(), and v8::internal::MacroAssembler::Move().

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IsPosition()

static bool v8::internal::RelocInfo::IsPosition ( Mode  mode )

inlinestatic

Definition at line 424 of file assembler.h.

                                           {
    return mode == POSITION || mode == STATEMENT_POSITION;
  }

References mode(), POSITION, and STATEMENT_POSITION.

Referenced by v8::internal::BreakLocationIterator::Next(), and v8::internal::PatchPositionsInCode().

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IsPseudoRelocMode()

static bool v8::internal::RelocInfo::IsPseudoRelocMode ( Mode  mode )

inlinestatic

Definition at line 391 of file assembler.h.

                                                  {
    DCHECK(!IsRealRelocMode(mode));
    return mode >= FIRST_PSEUDO_RELOC_MODE &&
        mode <= LAST_PSEUDO_RELOC_MODE;
  }

References DCHECK, FIRST_PSEUDO_RELOC_MODE, IsRealRelocMode(), LAST_PSEUDO_RELOC_MODE, and mode().

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IsRealRelocMode()

static bool v8::internal::RelocInfo::IsRealRelocMode ( Mode  mode )

inlinestatic

Definition at line 387 of file assembler.h.

                                                {
    return mode >= FIRST_REAL_RELOC_MODE &&
        mode <= LAST_REAL_RELOC_MODE;
  }

References FIRST_REAL_RELOC_MODE, LAST_REAL_RELOC_MODE, and mode().

Referenced by IsPseudoRelocMode(), and v8::internal::PatchPositionsInCode().

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IsRuntimeEntry()

static bool v8::internal::RelocInfo::IsRuntimeEntry ( Mode  mode )

inlinestatic

Definition at line 405 of file assembler.h.

                                               {
    return mode == RUNTIME_ENTRY;
  }

References mode(), and RUNTIME_ENTRY.

Referenced by v8::internal::Code::CopyFrom(), v8::internal::Assembler::emit_runtime_entry(), v8::internal::Code::PrintDeoptLocation(), and Visit().

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IsStatementPosition()

static bool v8::internal::RelocInfo::IsStatementPosition ( Mode  mode )

inlinestatic

Definition at line 427 of file assembler.h.

                                                    {
    return mode == STATEMENT_POSITION;
  }

References mode(), and STATEMENT_POSITION.

Referenced by v8::internal::BreakLocationIterator::Next(), and v8::internal::Code::SourceStatementPosition().

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IsVeneerPool()

static bool v8::internal::RelocInfo::IsVeneerPool ( Mode  mode )

inlinestatic

Definition at line 421 of file assembler.h.

                                             {
    return mode == VENEER_POOL;
  }

References mode(), and VENEER_POOL.

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ModeMask()

static int v8::internal::RelocInfo::ModeMask ( Mode  mode )

inlinestatic

Definition at line 445 of file assembler.h.

{ return 1 << mode; }

References mode().

Referenced by v8::internal::Code::ClearInlineCaches(), v8::internal::Code::CodeIterateBody(), v8::internal::ComputeCodeOffsetFromPcOffset(), v8::internal::ComputePcOffsetFromCodeOffset(), v8::internal::Code::CopyFrom(), v8::internal::Code::FindAllMaps(), v8::internal::Code::FindAndReplace(), v8::internal::Code::FindFirstHandler(), v8::internal::Code::FindFirstName(), v8::internal::Code::FindHandlerForMap(), v8::internal::Code::FindHandlers(), v8::internal::Code::FindNthObject(), v8::internal::TypeFeedbackOracle::GetRelocInfos(), v8::internal::Code::InvalidateEmbeddedObjects(), v8::internal::IC::InvalidateMaps(), v8::internal::Code::PrintDeoptLocation(), v8::internal::BreakLocationIterator::Reset(), v8::internal::RUNTIME_FUNCTION(), and v8::internal::WipeOutRelocations().

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PatchCode()

void v8::internal::RelocInfo::PatchCode	(	byte *	instructions,
		int	instruction_count
	)

PatchCodeWithCall()

void v8::internal::RelocInfo::PatchCodeWithCall	(	Address	target,
		int	guard_bytes
	)

pc()

byte* v8::internal::RelocInfo::pc ( ) const

inline

Definition at line 457 of file assembler.h.

{ return pc_; }

References pc_.

Referenced by v8::internal::Code::ClearInlineCaches(), v8::internal::ComputeCodeOffsetFromPcOffset(), v8::internal::ComputePcOffsetFromCodeOffset(), v8::internal::Debug::IsBreakAtReturn(), v8::internal::PatchPositionsInCode(), v8::internal::BreakLocationIterator::pc(), v8::internal::MarkCompactCollector::RecordRelocSlot(), v8::internal::TypeFeedbackOracle::RelocateRelocInfos(), v8::internal::RUNTIME_FUNCTION(), set_pc(), v8::internal::Debug::SetAfterBreakTarget(), v8::internal::Code::SourcePosition(), and v8::internal::Serializer::ObjectSerializer::VisitCell().

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raw_data64()

uint64_t v8::internal::RelocInfo::raw_data64 ( )

inline

Definition at line 462 of file assembler.h.

{ return bit_cast<uint64_t>(data64_); }

References data64_.

Referenced by IsEqual().

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rmode()

Mode v8::internal::RelocInfo::rmode ( ) const

inline

Definition at line 459 of file assembler.h.

{  return rmode_; }

References rmode_.

Referenced by v8::internal::ComputeCodeOffsetFromPcOffset(), v8::internal::ComputePcOffsetFromCodeOffset(), v8::internal::Code::FindHandlerForMap(), v8::internal::Debug::IsBreakAtReturn(), IsEqual(), v8::internal::BreakLocationIterator::original_rmode(), v8::internal::PatchPositionsInCode(), v8::internal::Debug::PrepareStep(), v8::internal::Code::PrintDeoptLocation(), v8::internal::MarkCompactCollector::RecordRelocSlot(), v8::internal::BreakLocationIterator::rmode(), v8::internal::compiler::SearchSharedFunctionInfo(), v8::internal::Debug::SetAfterBreakTarget(), v8::internal::Code::SourceStatementPosition(), Visit(), v8::internal::PointersUpdatingVisitor::VisitCodeAgeSequence(), v8::internal::PointersUpdatingVisitor::VisitCodeTarget(), v8::internal::ReplacingVisitor::VisitCodeTarget(), v8::internal::PointersUpdatingVisitor::VisitDebugTarget(), and v8::internal::PointersUpdatingVisitor::VisitEmbeddedPointer().

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set_host()

void v8::internal::RelocInfo::set_host ( Code *  host )

inline

Definition at line 464 of file assembler.h.

{ host_ = host; }

References host(), and host_.

Referenced by v8::internal::TypeFeedbackOracle::RelocateRelocInfos().

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set_pc()

void v8::internal::RelocInfo::set_pc ( byte *  pc )

inline

Definition at line 458 of file assembler.h.

{ pc_ = pc; }

References pc(), and pc_.

Referenced by v8::internal::TypeFeedbackOracle::RelocateRelocInfos().

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Visit() [1/2]

template<typename StaticVisitor >

void v8::internal::RelocInfo::Visit ( Heap *  heap )

inline

Definition at line 351 of file assembler-arm-inl.h.

                                {
  RelocInfo::Mode mode = rmode();
  if (mode == RelocInfo::EMBEDDED_OBJECT) {
    StaticVisitor::VisitEmbeddedPointer(heap, this);
  } else if (RelocInfo::IsCodeTarget(mode)) {
    StaticVisitor::VisitCodeTarget(heap, this);
  } else if (mode == RelocInfo::CELL) {
    StaticVisitor::VisitCell(heap, this);
  } else if (mode == RelocInfo::EXTERNAL_REFERENCE) {
    StaticVisitor::VisitExternalReference(this);
  } else if (RelocInfo::IsCodeAgeSequence(mode)) {
    StaticVisitor::VisitCodeAgeSequence(heap, this);
  } else if (heap->isolate()->debug()->has_break_points() &&
             ((RelocInfo::IsJSReturn(mode) &&
              IsPatchedReturnSequence()) ||
             (RelocInfo::IsDebugBreakSlot(mode) &&
              IsPatchedDebugBreakSlotSequence()))) {
    StaticVisitor::VisitDebugTarget(heap, this);
  } else if (RelocInfo::IsRuntimeEntry(mode)) {
    StaticVisitor::VisitRuntimeEntry(this);
  }
}

References CELL, v8::internal::Isolate::debug(), EMBEDDED_OBJECT, EXTERNAL_REFERENCE, v8::internal::Debug::has_break_points(), IsCodeAgeSequence(), IsCodeTarget(), IsDebugBreakSlot(), IsJSReturn(), v8::internal::Heap::isolate(), IsRuntimeEntry(), mode(), and rmode().

Referenced by v8::internal::Code::CodeIterateBody(), and v8::internal::UpdateSlot().

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Visit() [2/2]

void v8::internal::RelocInfo::Visit ( Isolate *  isolate, ObjectVisitor *  v  )

inline

Definition at line 326 of file assembler-arm-inl.h.

                                                              {
  RelocInfo::Mode mode = rmode();
  if (mode == RelocInfo::EMBEDDED_OBJECT) {
    visitor->VisitEmbeddedPointer(this);
  } else if (RelocInfo::IsCodeTarget(mode)) {
    visitor->VisitCodeTarget(this);
  } else if (mode == RelocInfo::CELL) {
    visitor->VisitCell(this);
  } else if (mode == RelocInfo::EXTERNAL_REFERENCE) {
    visitor->VisitExternalReference(this);
  } else if (RelocInfo::IsCodeAgeSequence(mode)) {
    visitor->VisitCodeAgeSequence(this);
  } else if (((RelocInfo::IsJSReturn(mode) &&
              IsPatchedReturnSequence()) ||
             (RelocInfo::IsDebugBreakSlot(mode) &&
              IsPatchedDebugBreakSlotSequence())) &&
             isolate->debug()->has_break_points()) {
    visitor->VisitDebugTarget(this);
  } else if (RelocInfo::IsRuntimeEntry(mode)) {
    visitor->VisitRuntimeEntry(this);
  }
}

References CELL, v8::internal::Isolate::debug(), EMBEDDED_OBJECT, EXTERNAL_REFERENCE, v8::internal::Debug::has_break_points(), IsCodeAgeSequence(), IsCodeTarget(), IsDebugBreakSlot(), IsJSReturn(), IsRuntimeEntry(), mode(), and rmode().

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Friends And Related Function Documentation

RelocIterator

friend class RelocIterator

friend

Definition at line 610 of file assembler.h.

Member Data Documentation

union { ... }

data64_

double v8::internal::RelocInfo::data64_

Definition at line 602 of file assembler.h.

Referenced by data64(), and raw_data64().

data_

intptr_t v8::internal::RelocInfo::data_

Definition at line 601 of file assembler.h.

Referenced by v8::internal::RelocIterator::AdvanceReadData(), v8::internal::RelocIterator::AdvanceReadId(), v8::internal::RelocIterator::AdvanceReadPoolData(), v8::internal::RelocIterator::AdvanceReadPosition(), data(), v8::internal::RelocIterator::next(), v8::internal::RelocIterator::ReadTaggedId(), v8::internal::RelocIterator::ReadTaggedPosition(), and v8::internal::RelocIterator::RelocIterator().

host_

Code* v8::internal::RelocInfo::host_

private

Definition at line 604 of file assembler.h.

Referenced by host(), v8::internal::RelocIterator::RelocIterator(), and set_host().

kApplyMask

const int v8::internal::RelocInfo::kApplyMask

static

Definition at line 591 of file assembler.h.

Referenced by v8::internal::Code::CopyFrom(), and v8::internal::Code::Relocate().

kCodeTargetMask

const int v8::internal::RelocInfo::kCodeTargetMask = (1 << (LAST_CODE_ENUM + 1)) - 1

static

Definition at line 587 of file assembler.h.

Referenced by v8::internal::Code::CodeIterateBody(), v8::internal::Code::CopyFrom(), and v8::internal::WipeOutRelocations().

kDataMask

const int v8::internal::RelocInfo::kDataMask

static

Initial value:

=
      (1 << CODE_TARGET_WITH_ID) | kPositionMask | (1 << COMMENT)

Definition at line 589 of file assembler.h.

kFillerCommentString

const char *const v8::internal::RelocInfo::kFillerCommentString = "DEOPTIMIZATION PADDING"

static

Definition at line 323 of file assembler.h.

kMaxCallSize

const int v8::internal::RelocInfo::kMaxCallSize = 6

static

Definition at line 331 of file assembler.h.

kMaxSmallPCDelta

const int v8::internal::RelocInfo::kMaxSmallPCDelta = kSmallPCDeltaMask

static

Definition at line 334 of file assembler.h.

kMinRelocCommentSize

const int v8::internal::RelocInfo::kMinRelocCommentSize = 3 + kPointerSize

static

Definition at line 328 of file assembler.h.

kNoPosition

const int v8::internal::RelocInfo::kNoPosition = -1

static

Definition at line 317 of file assembler.h.

Referenced by v8::internal::Parser::CheckConflictingVarDeclarations(), v8::internal::Debug::ClearStepNext(), v8::internal::CompileToplevel(), v8::internal::DebugEvaluate(), v8::internal::Parser::DesugarLetBindingsInForStatement(), v8::internal::Debug::FindSharedFunctionInfoInScript(), v8::internal::ParserTraits::GetIterator(), v8::internal::ParserTraits::GetLiteralTheHole(), v8::internal::Parser::InitializeForEachStatement(), v8::internal::HSourcePosition::IsUnknown(), v8::internal::CompilationCacheTable::Lookup(), v8::internal::CompilationCache::LookupEval(), v8::internal::Scope::LookupFunctionVar(), v8::internal::ParserBase< Traits >::ParseArrowFunctionLiteral(), v8::internal::Parser::ParseBlock(), v8::internal::Parser::ParseClassDeclaration(), v8::internal::Parser::ParseEagerFunctionBody(), v8::internal::Parser::ParseForStatement(), v8::internal::Parser::ParseFunctionDeclaration(), v8::internal::Parser::ParseFunctionLiteral(), v8::internal::Parser::ParseIfStatement(), v8::internal::Parser::ParseImportDeclaration(), v8::internal::Parser::ParseLazy(), v8::internal::Parser::ParseModuleLiteral(), v8::internal::Parser::ParseModuleUrl(), v8::internal::Parser::ParseNativeDeclaration(), v8::internal::ParserBase< Traits >::ParsePropertyDefinition(), v8::internal::Parser::ParseScopedBlock(), v8::internal::Parser::ParseStatement(), v8::internal::Parser::ParseTryStatement(), v8::internal::Parser::ParseVariableDeclarations(), v8::internal::PreParserExpression::position(), v8::internal::CompilationCacheTable::Put(), v8::internal::CompilationCache::PutEval(), v8::internal::LCodeGen::RecordAndWritePosition(), v8::internal::Rewriter::Rewrite(), v8::internal::RUNTIME_FUNCTION(), v8::internal::Scope::SetDefaults(), v8::internal::Processor::SetResult(), v8::internal::FullCodeGenerator::SetSourcePosition(), v8::internal::HGraphBuilder::SetSourcePosition(), v8::internal::Code::SourcePosition(), v8::internal::Debug::ThreadInit(), and v8::internal::HSourcePosition::Unknown().

kPositionMask

const int v8::internal::RelocInfo::kPositionMask = 1 << POSITION | 1 << STATEMENT_POSITION

static

Definition at line 588 of file assembler.h.

Referenced by v8::internal::RelocIterator::next(), v8::internal::Code::SourcePosition(), and v8::internal::Code::SourceStatementPosition().

pc_

byte* v8::internal::RelocInfo::pc_

private

Definition at line 598 of file assembler.h.

Referenced by v8::internal::RelocIterator::AdvanceReadPC(), v8::internal::RelocIterator::AdvanceReadVariableLengthPCJump(), v8::internal::RelocIterator::next(), pc(), v8::internal::RelocIterator::ReadTaggedPC(), v8::internal::RelocIterator::RelocIterator(), and set_pc().

reconstructed_adr_ptr_

Address v8::internal::RelocInfo::reconstructed_adr_ptr_

private

Definition at line 609 of file assembler.h.

rmode_

Mode v8::internal::RelocInfo::rmode_

private

Definition at line 599 of file assembler.h.

Referenced by rmode(), and v8::internal::RelocIterator::SetMode().

---

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

• /mnt/V8SourceCode/src/assembler.h
• /mnt/V8SourceCode/src/arm/assembler-arm-inl.h
• /mnt/V8SourceCode/src/arm64/assembler-arm64-inl.h
• /mnt/V8SourceCode/src/assembler.cc
• /mnt/V8SourceCode/src/ia32/assembler-ia32-inl.h
• /mnt/V8SourceCode/src/mips/assembler-mips-inl.h
• /mnt/V8SourceCode/src/mips64/assembler-mips64-inl.h
• /mnt/V8SourceCode/src/x64/assembler-x64-inl.h
• /mnt/V8SourceCode/src/x87/assembler-x87-inl.h