gem5  v20.1.0.0
Classes | Public Member Functions | Protected Attributes | List of all members
X86ISA::X86_64Process Class Reference

#include <process.hh>

Inheritance diagram for X86ISA::X86_64Process:
X86ISA::X86Process Process SimObject EventManager Serializable Drainable Stats::Group X86ISA::X86_64LinuxProcess


class  VSyscallPage

Public Member Functions

 X86_64Process (ProcessParams *params, ::Loader::ObjectFile *objFile)
void argsInit (int pageSize)
void initState () override
 initState() is called on each SimObject when not restoring from a checkpoint. More...
void clone (ThreadContext *old_tc, ThreadContext *new_tc, Process *process, RegVal flags) override
- Public Member Functions inherited from X86ISA::X86Process
Addr gdtStart ()
Addr gdtSize ()
X86Processoperator= (const X86Process &in)
- Public Member Functions inherited from Process
 Process (ProcessParams *params, EmulationPageTable *pTable, ::Loader::ObjectFile *obj_file)
void serialize (CheckpointOut &cp) const override
 Serialize an object. More...
void unserialize (CheckpointIn &cp) override
 Unserialize an object. More...
void init () override
 init() is called after all C++ SimObjects have been created and all ports are connected. More...
void initState () override
 initState() is called on each SimObject when not restoring from a checkpoint. More...
DrainState drain () override
 Draining is the process of clearing out the states of SimObjects.These are the SimObjects that are partially executed or are partially in flight. More...
virtual void syscall (ThreadContext *tc)
uint64_t uid ()
uint64_t euid ()
uint64_t gid ()
uint64_t egid ()
uint64_t pid ()
uint64_t ppid ()
uint64_t pgid ()
void pgid (uint64_t pgid)
uint64_t tgid ()
const char * progName () const
EmulatedDriverfindDriver (std::string filename)
 Find an emulated device driver. More...
void updateBias ()
Addr getBias ()
Addr getStartPC ()
::Loader::ObjectFilegetInterpreter ()
void regStats () override
 Callback to set stat parameters. More...
void allocateMem (Addr vaddr, int64_t size, bool clobber=false)
bool fixupFault (Addr vaddr)
 Attempt to fix up a fault at vaddr by allocating a page on the stack. More...
void assignThreadContext (ContextID context_id)
void revokeThreadContext (int context_id)
 After delegating a thread context to a child process no longer should relate to the ThreadContext. More...
virtual bool mmapGrowsDown () const
 Does mmap region grow upward or downward from mmapEnd? Most platforms grow downward, but a few (such as Alpha) grow upward instead, so they can override this method to return false. More...
bool map (Addr vaddr, Addr paddr, int size, bool cacheable=true)
 Maps a contiguous range of virtual addresses in this process's address space to a contiguous range of physical addresses. More...
void replicatePage (Addr vaddr, Addr new_paddr, ThreadContext *old_tc, ThreadContext *new_tc, bool alloc_page)
std::string absolutePath (const std::string &path, bool host_fs)
 Return an absolute path given a relative path paired with the current working directory of the process running under simulation. More...
std::string checkPathRedirect (const std::string &filename)
 Redirect file path if it matches any keys initialized by system object. More...
- Public Member Functions inherited from SimObject
const Paramsparams () const
 SimObject (const Params *_params)
virtual ~SimObject ()
virtual const std::string name () const
virtual void loadState (CheckpointIn &cp)
 loadState() is called on each SimObject when restoring from a checkpoint. More...
virtual void regProbePoints ()
 Register probe points for this object. More...
virtual void regProbeListeners ()
 Register probe listeners for this object. More...
ProbeManagergetProbeManager ()
 Get the probe manager for this object. More...
virtual PortgetPort (const std::string &if_name, PortID idx=InvalidPortID)
 Get a port with a given name and index. More...
virtual void startup ()
 startup() is the final initialization call before simulation. More...
DrainState drain () override
 Provide a default implementation of the drain interface for objects that don't need draining. More...
virtual void memWriteback ()
 Write back dirty buffers to memory using functional writes. More...
virtual void memInvalidate ()
 Invalidate the contents of memory buffers. More...
void serialize (CheckpointOut &cp) const override
 Serialize an object. More...
void unserialize (CheckpointIn &cp) override
 Unserialize an object. More...
- Public Member Functions inherited from EventManager
EventQueueeventQueue () const
void schedule (Event &event, Tick when)
void deschedule (Event &event)
void reschedule (Event &event, Tick when, bool always=false)
void schedule (Event *event, Tick when)
void deschedule (Event *event)
void reschedule (Event *event, Tick when, bool always=false)
void wakeupEventQueue (Tick when=(Tick) -1)
 This function is not needed by the usual gem5 event loop but may be necessary in derived EventQueues which host gem5 on other schedulers. More...
void setCurTick (Tick newVal)
 EventManager (EventManager &em)
 Event manger manages events in the event queue. More...
 EventManager (EventManager *em)
 EventManager (EventQueue *eq)
- Public Member Functions inherited from Serializable
 Serializable ()
virtual ~Serializable ()
void serializeSection (CheckpointOut &cp, const char *name) const
 Serialize an object into a new section. More...
void serializeSection (CheckpointOut &cp, const std::string &name) const
void unserializeSection (CheckpointIn &cp, const char *name)
 Unserialize an a child object. More...
void unserializeSection (CheckpointIn &cp, const std::string &name)
- Public Member Functions inherited from Drainable
DrainState drainState () const
 Return the current drain state of an object. More...
virtual void notifyFork ()
 Notify a child process of a fork. More...
- Public Member Functions inherited from Stats::Group
 Group (Group *parent, const char *name=nullptr)
 Construct a new statistics group. More...
virtual ~Group ()
virtual void resetStats ()
 Callback to reset stats. More...
virtual void preDumpStats ()
 Callback before stats are dumped. More...
void addStat (Stats::Info *info)
 Register a stat with this group. More...
const std::map< std::string, Group * > & getStatGroups () const
 Get all child groups associated with this object. More...
const std::vector< Info * > & getStats () const
 Get all stats associated with this object. More...
void addStatGroup (const char *name, Group *block)
 Add a stat block as a child of this block. More...
const InforesolveStat (std::string name) const
 Resolve a stat by its name within this group. More...
 Group ()=delete
 Group (const Group &)=delete
Groupoperator= (const Group &)=delete

Protected Attributes

VSyscallPage vsyscallPage
- Protected Attributes inherited from X86ISA::X86Process
Addr _gdtStart
Addr _gdtSize
- Protected Attributes inherited from SimObject
const SimObjectParams * _params
 Cached copy of the object parameters. More...
- Protected Attributes inherited from EventManager
 A pointer to this object's event queue. More...

Additional Inherited Members

- Public Types inherited from SimObject
typedef SimObjectParams Params
- Static Public Member Functions inherited from Process
static ProcesstryLoaders (ProcessParams *params, ::Loader::ObjectFile *obj_file)
- Static Public Member Functions inherited from SimObject
static void serializeAll (CheckpointOut &cp)
 Serialize all SimObjects in the system. More...
static SimObjectfind (const char *name)
 Find the SimObject with the given name and return a pointer to it. More...
- Static Public Member Functions inherited from Serializable
static const std::string & currentSection ()
 Gets the fully-qualified name of the active section. More...
static void serializeAll (const std::string &cpt_dir)
 Serializes all the SimObjects. More...
static void unserializeGlobals (CheckpointIn &cp)
- Public Attributes inherited from Process
std::vector< ContextIDcontextIds
Stats::Scalar numSyscalls
bool useArchPT
bool kvmInSE
bool useForClone
std::unique_ptr< SETranslatingPortProxyinitVirtMem
::Loader::MemoryImage image
::Loader::MemoryImage interpImage
std::vector< std::string > argv
std::vector< std::string > envp
std::string executable
std::string tgtCwd
 The cwd members are used to track changes to the current working directory for the purpose of executing system calls which depend on relative paths (i.e. More...
std::string hostCwd
std::string release
uint64_t _uid
uint64_t _euid
uint64_t _gid
uint64_t _egid
uint64_t _pid
uint64_t _ppid
uint64_t _pgid
uint64_t _tgid
std::vector< EmulatedDriver * > drivers
std::shared_ptr< FDArrayfds
bool * exitGroup
std::shared_ptr< MemStatememState
uint64_t childClearTID
 Calls a futex wakeup at the address specified by this pointer when this process exits. More...
bool * sigchld
- Protected Member Functions inherited from X86ISA::X86Process
 X86Process (ProcessParams *params, ::Loader::ObjectFile *objFile)
template<class IntType >
void argsInit (int pageSize, std::vector< AuxVector< IntType > > extraAuxvs)
- Protected Member Functions inherited from Drainable
 Drainable ()
virtual ~Drainable ()
virtual void drainResume ()
 Resume execution after a successful drain. More...
void signalDrainDone () const
 Signal that an object is drained. More...

Detailed Description

Definition at line 93 of file process.hh.

Constructor & Destructor Documentation

◆ X86_64Process()

X86_64Process::X86_64Process ( ProcessParams *  params,
::Loader::ObjectFile objFile 

Member Function Documentation

◆ argsInit()

void X86_64Process::argsInit ( int  pageSize)

◆ clone()

void X86_64Process::clone ( ThreadContext old_tc,
ThreadContext new_tc,
Process process,
RegVal  flags 

Reimplemented from X86ISA::X86Process.

Definition at line 1010 of file

References X86ISA::X86Process::clone(), X86ISA::p, and vsyscallPage.

◆ initState()

void X86_64Process::initState ( )

initState() is called on each SimObject when not restoring from a checkpoint.

This provides a hook for state initializations that are only required for a "cold start".

setting Interrupt Stack Table

Page fault handler

Reimplemented from SimObject.

Definition at line 146 of file

References System::allocPhysPages(), argsInit(), X86ISA::X86_64Process::VSyscallPage::base, bits(), Process::contextIds, MipsISA::ds, X86ISA::GDTVirtAddr, ArmISA::i, X86ISA::IDTVirtAddr, Process::initState(), Process::initVirtMem, X86ISA::installSegDesc(), X86ISA::ISTVirtAddr, Process::kvmInSE, EmulationPageTable::map(), Process::memState, X86ISA::MISCREG_APIC_BASE, X86ISA::MISCREG_CR0, X86ISA::MISCREG_CR2, X86ISA::MISCREG_CR3, X86ISA::MISCREG_CR4, X86ISA::MISCREG_CR8, X86ISA::MISCREG_CS, X86ISA::MISCREG_CS_ATTR, X86ISA::MISCREG_DS, X86ISA::MISCREG_EFER, X86ISA::MISCREG_ES, X86ISA::MISCREG_FS, X86ISA::MISCREG_GS, X86ISA::MISCREG_IDTR_BASE, X86ISA::MISCREG_IDTR_LIMIT, X86ISA::MISCREG_LSTAR, X86ISA::MISCREG_MXCSR, X86ISA::MISCREG_SEG_ATTR(), X86ISA::MISCREG_SEG_BASE(), X86ISA::MISCREG_SEG_EFF_BASE(), X86ISA::MISCREG_SF_MASK, X86ISA::MISCREG_SS, X86ISA::MISCREG_STAR, X86ISA::MISCREG_TR, X86ISA::MISCREG_TR_ATTR, X86ISA::MISCREG_TR_BASE, X86ISA::MISCREG_TR_EFF_BASE, X86ISA::MISCREG_TR_LIMIT, X86ISA::MISCREG_TSG_BASE, X86ISA::MISCREG_TSG_LIMIT, X86ISA::MISCREG_TSL, X86ISA::MISCREG_TSL_ATTR, X86ISA::MMIORegionPhysAddr, X86ISA::MMIORegionVirtAddr, X86ISA::NUM_SEGMENTREGS, X86ISA::PageBytes, X86ISA::PFHandlerVirtAddr, System::physProxy, Process::pTable, X86ISA::seg, X86ISA::SEGMENT_REG_CS, X86ISA::SEGMENT_REG_DS, X86ISA::SEGMENT_REG_ES, X86ISA::SEGMENT_REG_FS, X86ISA::SEGMENT_REG_GS, X86ISA::SEGMENT_REG_SS, ThreadContext::setMiscReg(), ThreadContext::setMiscRegNoEffect(), X86ISA::X86_64Process::VSyscallPage::size, X86ISA::syscallCodeVirtAddr, Process::system, System::threads, X86ISA::TSSVirtAddr, Process::useForClone, X86ISA::X86_64Process::VSyscallPage::vgettimeofdayOffset, vsyscallPage, X86ISA::X86_64Process::VSyscallPage::vtimeOffset, and PortProxy::writeBlob().

Member Data Documentation

◆ vsyscallPage

VSyscallPage X86ISA::X86_64Process::vsyscallPage

Definition at line 118 of file process.hh.

Referenced by argsInit(), clone(), initState(), and X86_64Process().

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

Generated on Wed Sep 30 2020 14:03:15 for gem5 by doxygen 1.8.17