MachineInfo Class Reference

#include <GlobalDefinitions.h>

Collaboration diagram for MachineInfo:

[legend]List of all members.

Public Member Functions
int	getNumBits (void)
bool	getIsLeastSigByteFirst (void)
void	report (ostream &os)
Static Public Member Functions
static MachineInfo *	getInfo (void)
Protected Member Functions
	MachineInfo (void)
Private Types
typedef unsigned long	Offset
Private Attributes
int	numBits_
bool	isLeastSigByteFirst_
Static Private Attributes
static MachineInfo *	info_ = 0
Friends
ostream &	operator<< (ostream &os, MachineInfo &myInfo)

---

Detailed Description

Definition at line 392 of file GlobalDefinitions.h.

---

Member Typedef Documentation

typedef unsigned long MachineInfo::Offset [private]

Definition at line 394 of file GlobalDefinitions.h.

---

Constructor & Destructor Documentation

MachineInfo::MachineInfo

(

void

)

[inline, protected]

Definition at line 418 of file GlobalDefinitions.h.

References isLeastSigByteFirst_, and numBits_.

  {

  numBits_ = 8 * sizeof(Offset);
  
    Offset checkByteOrder = 1;
    Offset* offsetAddress = &checkByteOrder;
    char* firstByte = ( (char*) offsetAddress );

    offsetAddress++;
    char* lastByte =  (char*) offsetAddress;
    lastByte--;
    isLeastSigByteFirst_ = ( *firstByte == 1 );

  } // ~constructor

---

Member Function Documentation

static MachineInfo* MachineInfo::getInfo

(

void

)

[inline, static]

Definition at line 396 of file GlobalDefinitions.h.

References info_.

Referenced by processQuery().

  {
    if ( info_ == 0 ) info_ = new MachineInfo;
    return info_;
  } // ~getInfo

Here is the caller graph for this function:

int MachineInfo::getNumBits

(

void

)

[inline]

Definition at line 402 of file GlobalDefinitions.h.

References numBits_.

{ return numBits_; }

bool MachineInfo::getIsLeastSigByteFirst

(

void

)

[inline]

Definition at line 403 of file GlobalDefinitions.h.

References isLeastSigByteFirst_.

{ return isLeastSigByteFirst_; }

void MachineInfo::report

(

ostream &

os

)

[inline]

Definition at line 404 of file GlobalDefinitions.h.

References isLeastSigByteFirst_, and numBits_.

  {
    os << "This is a " << numBits_ << " bit machine with "
       << ( (isLeastSigByteFirst_) ? "least" : "most" )
       << "-significant-byte-first ordering" << endl;
  } // ~report

---

Friends And Related Function Documentation

ostream& operator<<	(	ostream &	os,
		MachineInfo &	myInfo
	)			[friend]

Definition at line 411 of file GlobalDefinitions.h.

  {
    myInfo.report(os);
    return os;
  }

---

Member Data Documentation

MachineInfo * MachineInfo::info_ = 0 [static, private]

Definition at line 435 of file GlobalDefinitions.h.

Referenced by getInfo().

int MachineInfo::numBits_ [private]

Definition at line 436 of file GlobalDefinitions.h.

Referenced by getNumBits(), MachineInfo(), and report().

bool MachineInfo::isLeastSigByteFirst_ [private]

Definition at line 437 of file GlobalDefinitions.h.

Referenced by getIsLeastSigByteFirst(), MachineInfo(), and report().

---

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

• Global/GlobalDefinitions.h
• Global/SSAHAMain.cpp

---