Public Member Functions | Public Attributes | Friends | List of all members
MemorySegment Class Reference

#include <MemorySegment.hpp>

Inheritance diagram for MemorySegment:
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Public Member Functions

void * operator new (size_t size, void *segment)
 
void operator delete (void *)
 
void operator delete (void *, void *)
 
 MemorySegment (size_t segSize)
 
 MemorySegment ()
 
void insertAfter (MemorySegment *newSegment)
 
void insertBefore (MemorySegment *newSegment)
 
void remove ()
 
void removeAll ()
 
bool isInSegment (RexxObject *object)
 
DeadObject * createDeadObject ()
 
DeadObject * firstObject ()
 
void combine (MemorySegment *nextSegment)
 
void shrink (size_t delta)
 
bool isAdjacentTo (MemorySegment *seg)
 
bool isLastBlock (char *addr, size_t length)
 
bool isFirstBlock (char *addr)
 
size_t size ()
 
size_t realSize ()
 
char * start ()
 
char * end ()
 
bool isReal ()
 
bool isEmpty ()
 
void dump (const char *owner, size_t counter, FILE *keyfile, FILE *dumpfile)
 
DeadObject * lastDeadObject ()
 
DeadObject * firstDeadObject ()
 
void gatherObjectStats (MemoryStats *memStats, SegmentStats *stats)
 
void markAllObjects ()
 

Public Attributes

char segmentStart [8]
 

Friends

class MemorySegmentSet
 
class NormalSegmentSet
 
class LargeSegmentSet
 
class OldSegmentSet
 
class RexxMemory
 

Additional Inherited Members

- Protected Attributes inherited from MemorySegmentHeader
size_t segmentSize
 
size_t liveObjects
 
MemorySegment * next
 
MemorySegment * previous
 

Detailed Description

Definition at line 143 of file MemorySegment.hpp.

Constructor & Destructor Documentation

◆ MemorySegment() [1/2]

MemorySegment::MemorySegment ( size_t  segSize)
inline

Definition at line 155 of file MemorySegment.hpp.

References MemorySegmentHeader::segmentSize.

◆ MemorySegment() [2/2]

MemorySegment::MemorySegment ( )
inline

Definition at line 160 of file MemorySegment.hpp.

References MemorySegmentHeader::next, MemorySegmentHeader::previous, and MemorySegmentHeader::segmentSize.

Member Function Documentation

◆ combine()

void MemorySegment::combine ( MemorySegment *  nextSegment)
inline

Definition at line 198 of file MemorySegment.hpp.

References MemorySegmentOverhead, and MemorySegmentHeader::segmentSize.

Referenced by MemorySegmentSet::addSegment(), MemorySegmentSet::combineEmptySegments(), and MemorySegmentSet::mergeSegments().

◆ createDeadObject()

DeadObject* MemorySegment::createDeadObject ( )
inline

Definition at line 195 of file MemorySegment.hpp.

References MemorySegmentHeader::segmentSize, and segmentStart.

Referenced by MemorySegmentSet::addSegment(), and MemorySegmentSet::combineEmptySegments().

◆ dump()

void MemorySegment::dump ( const char *  owner,
size_t  counter,
FILE *  keyfile,
FILE *  dumpfile 
)

Definition at line 48 of file MemorySegment.cpp.

References MemorySegmentHeader::segmentSize, and segmentStart.

Referenced by MemorySegmentSet::dumpSegments().

◆ end()

char* MemorySegment::end ( )
inline

Definition at line 207 of file MemorySegment.hpp.

References MemorySegmentHeader::segmentSize, and segmentStart.

Referenced by gatherObjectStats(), isAdjacentTo(), isLastBlock(), lastDeadObject(), markAllObjects(), MemorySegmentSet::splitSegment(), and MemorySegmentSet::sweep().

◆ firstDeadObject()

DeadObject * MemorySegment::firstDeadObject ( )

Definition at line 89 of file MemorySegment.cpp.

References RexxMemory::markWord, memoryObject, and start().

Referenced by MemorySegmentSet::mergeSegments().

◆ firstObject()

DeadObject* MemorySegment::firstObject ( )
inline

Definition at line 197 of file MemorySegment.hpp.

References segmentStart.

Referenced by MemorySegmentSet::combineEmptySegments(), and removeAll().

◆ gatherObjectStats()

void MemorySegment::gatherObjectStats ( MemoryStats *  memStats,
SegmentStats *  stats 
)

Definition at line 104 of file MemorySegment.cpp.

References end(), SegmentStats::recordObject(), and start().

Referenced by MemorySegmentSet::gatherStats().

◆ insertAfter()

void MemorySegment::insertAfter ( MemorySegment *  newSegment)
inline

Definition at line 167 of file MemorySegment.hpp.

References RexxMemory::newSegment(), MemorySegmentHeader::next, and MemorySegmentHeader::previous.

◆ insertBefore()

void MemorySegment::insertBefore ( MemorySegment *  newSegment)
inline

Definition at line 174 of file MemorySegment.hpp.

References RexxMemory::newSegment(), MemorySegmentHeader::next, and MemorySegmentHeader::previous.

Referenced by MemorySegmentSet::add(), MemorySegmentSet::addSegment(), and MemorySegmentSet::releaseSegment().

◆ isAdjacentTo()

bool MemorySegment::isAdjacentTo ( MemorySegment *  seg)
inline

Definition at line 200 of file MemorySegment.hpp.

References end().

Referenced by MemorySegmentSet::addSegment(), and MemorySegmentSet::mergeSegments().

◆ isEmpty()

bool MemorySegment::isEmpty ( )
inline

Definition at line 209 of file MemorySegment.hpp.

References MemorySegmentHeader::liveObjects.

Referenced by MemorySegmentSet::mergeSegments(), and MemorySegmentSet::releaseEmptySegments().

◆ isFirstBlock()

bool MemorySegment::isFirstBlock ( char *  addr)
inline

Definition at line 202 of file MemorySegment.hpp.

References start().

Referenced by MemorySegmentSet::splitSegment().

◆ isInSegment()

bool MemorySegment::isInSegment ( RexxObject *  object)
inline

Definition at line 191 of file MemorySegment.hpp.

References MemorySegmentHeader::segmentSize, and segmentStart.

Referenced by MemorySegmentSet::isInSegmentSet().

◆ isLastBlock()

bool MemorySegment::isLastBlock ( char *  addr,
size_t  length 
)
inline

Definition at line 201 of file MemorySegment.hpp.

References end().

Referenced by MemorySegmentSet::splitSegment().

◆ isReal()

bool MemorySegment::isReal ( )
inline

Definition at line 208 of file MemorySegment.hpp.

References MemorySegmentHeader::segmentSize.

Referenced by MemorySegmentSet::activateEmptySegments(), MemorySegmentSet::addSegment(), MemorySegmentSet::findEmptySegment(), MemorySegmentSet::first(), MemorySegmentSet::largestActiveSegment(), MemorySegmentSet::largestEmptySegment(), MemorySegmentSet::mergeSegments(), and MemorySegmentSet::next().

◆ lastDeadObject()

DeadObject * MemorySegment::lastDeadObject ( )

Definition at line 62 of file MemorySegment.cpp.

References end(), RexxMemory::markWord, memoryObject, and start().

Referenced by MemorySegmentSet::mergeSegments().

◆ markAllObjects()

void MemorySegment::markAllObjects ( )

Definition at line 1773 of file MemorySegment.cpp.

References end(), RexxInternalObject::getObjectSize(), memory_mark_general, RESTORINGIMAGE, and start().

Referenced by OldSpaceSegmentSet::markOldSpaceObjects().

◆ operator delete() [1/2]

void MemorySegment::operator delete ( void *  )
inline

Definition at line 152 of file MemorySegment.hpp.

◆ operator delete() [2/2]

void MemorySegment::operator delete ( void *  ,
void *   
)
inline

Definition at line 153 of file MemorySegment.hpp.

◆ operator new()

void* MemorySegment::operator new ( size_t  size,
void *  segment 
)
inline

Definition at line 151 of file MemorySegment.hpp.

◆ realSize()

size_t MemorySegment::realSize ( )
inline

Definition at line 205 of file MemorySegment.hpp.

References MemorySegmentOverhead, and MemorySegmentHeader::segmentSize.

Referenced by MemorySegmentSet::addSegment(), MemorySegmentSet::mergeSegments(), and MemorySegmentSet::splitSegment().

◆ remove()

void MemorySegment::remove ( )
inline

Definition at line 181 of file MemorySegment.hpp.

References MemorySegmentHeader::next, and MemorySegmentHeader::previous.

Referenced by MemorySegmentSet::activateEmptySegments(), MemorySegmentSet::findEmptySegment(), removeAll(), and MemorySegmentSet::removeSegment().

◆ removeAll()

void MemorySegment::removeAll ( )
inline

Definition at line 186 of file MemorySegment.hpp.

References firstObject(), DeadObject::remove(), and remove().

Referenced by MemorySegmentSet::mergeSegments(), and MemorySegmentSet::removeSegmentAndStorage().

◆ shrink()

void MemorySegment::shrink ( size_t  delta)
inline

Definition at line 199 of file MemorySegment.hpp.

References MemorySegmentHeader::segmentSize.

Referenced by MemorySegmentSet::splitSegment().

◆ size()

size_t MemorySegment::size ( )
inline

Definition at line 204 of file MemorySegment.hpp.

References MemorySegmentHeader::segmentSize.

Referenced by MemorySegmentSet::addSegment(), MemorySegmentSet::addSegments(), MemorySegmentSet::combineEmptySegments(), LargeSegmentSet::expandOrCollect(), MemorySegmentSet::findEmptySegment(), MemorySegmentSet::gatherStats(), MemorySegmentSet::largestActiveSegment(), MemorySegmentSet::largestEmptySegment(), MemorySegmentSet::mergeSegments(), MemorySegmentPool::newLargeSegment(), MemorySegmentPool::newSegment(), MemorySegmentSet::releaseEmptySegments(), and MemorySegmentSet::splitSegment().

◆ start()

char* MemorySegment::start ( )
inline

Definition at line 206 of file MemorySegment.hpp.

References segmentStart.

Referenced by firstDeadObject(), gatherObjectStats(), isFirstBlock(), lastDeadObject(), markAllObjects(), MemorySegmentSet::splitSegment(), and MemorySegmentSet::sweep().

Friends And Related Function Documentation

◆ LargeSegmentSet

friend class LargeSegmentSet
friend

Definition at line 146 of file MemorySegment.hpp.

◆ MemorySegmentSet

friend class MemorySegmentSet
friend

Definition at line 144 of file MemorySegment.hpp.

◆ NormalSegmentSet

friend class NormalSegmentSet
friend

Definition at line 145 of file MemorySegment.hpp.

◆ OldSegmentSet

friend class OldSegmentSet
friend

Definition at line 147 of file MemorySegment.hpp.

◆ RexxMemory

friend class RexxMemory
friend

Definition at line 148 of file MemorySegment.hpp.

Member Data Documentation

◆ segmentStart

char MemorySegment::segmentStart[8]

Definition at line 217 of file MemorySegment.hpp.

Referenced by createDeadObject(), dump(), end(), firstObject(), isInSegment(), and start().

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