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Public Member Functions | Static Public Member Functions
VirtualMemory Class Reference

#include <platform.h>

Public Member Functions

 VirtualMemory ()
 
 VirtualMemory (size_t size)
 
 VirtualMemory (size_t size, size_t alignment)
 
 ~VirtualMemory ()
 
bool IsReserved ()
 
void Reset ()
 
void * address ()
 
size_t size ()
 
bool Commit (void *address, size_t size, bool is_executable)
 
bool Uncommit (void *address, size_t size)
 
bool Guard (void *address)
 
void Release ()
 
void TakeControl (VirtualMemory *from)
 

Static Public Member Functions

static void * ReserveRegion (size_t size)
 
static bool CommitRegion (void *base, size_t size, bool is_executable)
 
static bool UncommitRegion (void *base, size_t size)
 
static bool ReleaseRegion (void *base, size_t size)
 
static bool HasLazyCommits ()
 

Detailed Description

Definition at line 420 of file platform.h.

Constructor & Destructor Documentation

VirtualMemory ( )

Definition at line 253 of file platform-cygwin.cc.

VirtualMemory ( size_t  size)
explicit

Definition at line 256 of file platform-cygwin.cc.

VirtualMemory ( size_t  size,
size_t  alignment 
)

Definition at line 260 of file platform-cygwin.cc.

References VirtualMemory::address(), OS::AllocateAlignment(), ASSERT, v8::internal::IsAligned(), v8::internal::NULL, VirtualMemory::ReleaseRegion(), VirtualMemory::ReserveRegion(), v8::internal::RoundUp(), VirtualMemory::size(), and v8::internal::USE().

~VirtualMemory ( )

Definition at line 286 of file platform-cygwin.cc.

References ASSERT, VirtualMemory::IsReserved(), VirtualMemory::ReleaseRegion(), and v8::internal::USE().

Member Function Documentation

void* address ( )
inline

Definition at line 447 of file platform.h.

References ASSERT, and VirtualMemory::IsReserved().

Referenced by CodeRange::contains(), MemoryAllocator::FreeMemory(), VirtualMemory::Release(), MemoryAllocator::ReserveAlignedMemory(), StoreBuffer::SetUp(), CodeRange::SetUp(), CodeRange::start(), IncrementalMarking::UncommitMarkingDeque(), and VirtualMemory::VirtualMemory().

bool Commit ( void *  address,
size_t  size,
bool  is_executable 
)

Definition at line 306 of file platform-cygwin.cc.

References VirtualMemory::CommitRegion().

Referenced by MemoryAllocator::AllocateAlignedMemory(), MemoryAllocator::CommitExecutableMemory(), StoreBuffer::EnsureSpace(), and StoreBuffer::SetUp().

bool CommitRegion ( void *  base,
size_t  size,
bool  is_executable 
)
static

Definition at line 322 of file platform-cygwin.cc.

References v8::internal::NULL.

Referenced by VirtualMemory::Commit(), and MemoryAllocator::CommitMemory().

bool Guard ( void *  address)

Definition at line 331 of file platform-cygwin.cc.

References OS::CommitPageSize(), and v8::internal::NULL.

Referenced by MemoryAllocator::CommitExecutableMemory().

bool HasLazyCommits ( )
static

Definition at line 352 of file platform-cygwin.cc.

Referenced by PagedSpace::CommittedPhysicalMemory(), NewSpace::CommittedPhysicalMemory(), and LargeObjectSpace::CommittedPhysicalMemory().

bool IsReserved ( )

Definition at line 295 of file platform-cygwin.cc.

References v8::internal::NULL.

Referenced by VirtualMemory::address(), MemoryChunk::CommitArea(), MemoryAllocator::Free(), MemoryAllocator::FreeMemory(), VirtualMemory::Release(), MemoryAllocator::ReserveAlignedMemory(), CodeRange::SetUp(), VirtualMemory::TakeControl(), NewSpace::TearDown(), VirtualMemory::Uncommit(), and VirtualMemory::~VirtualMemory().

void Release ( )
inline

Definition at line 467 of file platform.h.

References VirtualMemory::address(), ASSERT, VirtualMemory::IsReserved(), VirtualMemory::ReleaseRegion(), VirtualMemory::Reset(), and v8::internal::USE().

Referenced by MemoryAllocator::AllocateAlignedMemory(), and MemoryAllocator::FreeMemory().

bool ReleaseRegion ( void *  base,
size_t  size 
)
static

Definition at line 347 of file platform-cygwin.cc.

Referenced by MemoryAllocator::FreeMemory(), VirtualMemory::Release(), VirtualMemory::VirtualMemory(), and VirtualMemory::~VirtualMemory().

void * ReserveRegion ( size_t  size)
static

Definition at line 317 of file platform-cygwin.cc.

Referenced by VirtualMemory::VirtualMemory().

void Reset ( )

Definition at line 300 of file platform-cygwin.cc.

References v8::internal::NULL.

Referenced by MemoryChunk::InitializeReservedMemory(), VirtualMemory::Release(), and VirtualMemory::TakeControl().

size_t size ( )
inline

Definition at line 456 of file platform.h.

Referenced by MemoryAllocator::AllocateChunk(), CodeRange::contains(), MemoryAllocator::FreeMemory(), MemoryAllocator::ReserveAlignedMemory(), StoreBuffer::SetUp(), CodeRange::SetUp(), IncrementalMarking::UncommitMarkingDeque(), and VirtualMemory::VirtualMemory().

void TakeControl ( VirtualMemory *  from)
inline

Definition at line 481 of file platform.h.

References ASSERT, VirtualMemory::IsReserved(), and VirtualMemory::Reset().

Referenced by MemoryAllocator::AllocateAlignedMemory(), MemoryAllocator::ReserveAlignedMemory(), and MemoryChunk::set_reserved_memory().

bool Uncommit ( void *  address,
size_t  size 
)

Definition at line 311 of file platform-cygwin.cc.

References ASSERT, VirtualMemory::IsReserved(), and VirtualMemory::UncommitRegion().

Referenced by MemoryChunk::CommitArea(), CodeRange::FreeRawMemory(), IncrementalMarking::UncommitMarkingDeque(), and CodeRange::UncommitRawMemory().

bool UncommitRegion ( void *  base,
size_t  size 
)
static

Definition at line 342 of file platform-cygwin.cc.

Referenced by VirtualMemory::Uncommit(), and MemoryAllocator::UncommitBlock().

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