C++ Prog::setFrontEnd方法代码示例

/*==============================================================================
 * FUNCTION:		RtlTest::testIsCompare
 * OVERVIEW:		Test the isCompare function
 *============================================================================*/
void RtlTest::testIsCompare ()
{
  BinaryFileFactory bff;
  BinaryFile *pBF = bff.Load(SWITCH_SPARC);
  CPPUNIT_ASSERT(pBF != 0);
  CPPUNIT_ASSERT(pBF->GetMachine() == MACHINE_SPARC);
  Prog* prog = new Prog;
  FrontEnd *pFE = new SparcFrontEnd(pBF, prog, &bff);
  prog->setFrontEnd(pFE);

  // Decode second instruction: "sub		%i0, 2, %o1"
  int iReg;
  Exp* eOperand = NULL;
  DecodeResult inst = pFE->decodeInstruction(0x10910);
  CPPUNIT_ASSERT(inst.rtl != NULL);
  CPPUNIT_ASSERT(inst.rtl->isCompare(iReg, eOperand) == false);

  // Decode fifth instruction: "cmp		%o1, 5"
  inst = pFE->decodeInstruction(0x1091c);
  CPPUNIT_ASSERT(inst.rtl != NULL);
  CPPUNIT_ASSERT(inst.rtl->isCompare(iReg, eOperand) == true);
  CPPUNIT_ASSERT_EQUAL(9, iReg);
  std::string expected("5");
  std::ostringstream ost1;
  eOperand->print(ost1);
  std::string actual(ost1.str());
  CPPUNIT_ASSERT_EQUAL(expected, actual);

  pBF->UnLoad();
  delete pBF;
  delete pFE;
  pBF = bff.Load(SWITCH_PENT);
  CPPUNIT_ASSERT(pBF != 0);
  CPPUNIT_ASSERT(pBF->GetMachine() == MACHINE_PENTIUM);
  pFE = new PentiumFrontEnd(pBF, prog, &bff);
  prog->setFrontEnd(pFE);

  // Decode fifth instruction: "cmp	$0x5,%eax"
  inst = pFE->decodeInstruction(0x80488fb);
  CPPUNIT_ASSERT(inst.rtl != NULL);
  CPPUNIT_ASSERT(inst.rtl->isCompare(iReg, eOperand) == true);
  CPPUNIT_ASSERT_EQUAL(24, iReg);
  std::ostringstream ost2;
  eOperand->print(ost2);
  actual = ost2.str();
  CPPUNIT_ASSERT_EQUAL(expected, actual);

  // Decode instruction: "add		$0x4,%esp"
  inst = pFE->decodeInstruction(0x804890c);
  CPPUNIT_ASSERT(inst.rtl != NULL);
  CPPUNIT_ASSERT(inst.rtl->isCompare(iReg, eOperand) == false);
  pBF->UnLoad();
  delete pFE;
}

/*==============================================================================
 * FUNCTION:		ProcTest::testName
 * OVERVIEW:		Test setting and reading name, constructor, native address
 *============================================================================*/
void ProcTest::testName ()
{
  Prog* prog = new Prog();
  BinaryFile *pBF = new BinaryFileStub();
  CPPUNIT_ASSERT(pBF != 0);
  std::string nm("default name");
  BinaryFileFactory bff;
  pBF = bff.Load(HELLO_PENTIUM);
  FrontEnd *pFE = new PentiumFrontEnd(pBF, prog, &bff);
  CPPUNIT_ASSERT(pFE != 0);
  prog->setFrontEnd(pFE);
  CPPUNIT_ASSERT(prog);
  pFE->readLibraryCatalog();				// Since we are not decoding
  m_proc = new UserProc(prog, nm, 20000); // Will print in decimal if error
  std::string actual(m_proc->getName());
  CPPUNIT_ASSERT_EQUAL(std::string("default name"), actual);

  std::string name("printf");
  LibProc lp(prog, name, 30000);
  actual =  lp.getName();
  CPPUNIT_ASSERT_EQUAL(name, actual);

  ADDRESS a = lp.getNativeAddress();
  ADDRESS expected = 30000;
  CPPUNIT_ASSERT_EQUAL(expected, a);
  a = m_proc->getNativeAddress();
  expected = 20000;
  CPPUNIT_ASSERT_EQUAL(expected, a);

  delete prog;
  delete m_proc;
  // delete pFE;		// No! Deleting the prog deletes the pFE already (which deletes the BinaryFileFactory)
}

/*==============================================================================
 * FUNCTION:		CfgTest::testRenameVars
 * OVERVIEW:		Test the renaming of variables
 *============================================================================*/
void CfgTest::testRenameVars ()
{
  BinaryFileFactory bff;
  BinaryFile* pBF = bff.Load(FRONTIER_PENTIUM);
  CPPUNIT_ASSERT(pBF != 0);
  Prog* prog = new Prog;
  FrontEnd* pFE = new PentiumFrontEnd(pBF, prog, &bff);
  Type::clearNamedTypes();
  prog->setFrontEnd(pFE);
  pFE->decode(prog);

  UserProc* pProc = (UserProc*) prog->getProc(0);
  Cfg* cfg = pProc->getCFG();
  DataFlow* df = pProc->getDataFlow();

  // Simplify expressions (e.g. m[ebp + -8] -> m[ebp - 8]
  prog->finishDecode();

  df->dominators(cfg);
  df->placePhiFunctions(pProc);
  pProc->numberStatements();				// After placing phi functions!
  df->renameBlockVars(pProc, 0, 1);		// Block 0, mem depth 1

  // MIKE: something missing here?

  delete pFE;
}

/*==============================================================================
 * FUNCTION:		CfgTest::testPlacePhi2
 * OVERVIEW:		Test a case where a phi function is not needed
 *============================================================================*/
void CfgTest::testPlacePhi2 ()
{
  BinaryFileFactory bff;
  BinaryFile* pBF = bff.Load(IFTHEN_PENTIUM);
  CPPUNIT_ASSERT(pBF != 0);
  Prog* prog = new Prog;
  FrontEnd* pFE = new PentiumFrontEnd(pBF, prog, &bff);
  Type::clearNamedTypes();
  prog->setFrontEnd(pFE);
  pFE->decode(prog);

  UserProc* pProc = (UserProc*) prog->getProc(0);
  Cfg* cfg = pProc->getCFG();
  DataFlow* df = pProc->getDataFlow();

  // Simplify expressions (e.g. m[ebp + -8] -> m[ebp - 8]
  prog->finishDecode();

  df->dominators(cfg);
  df->placePhiFunctions(pProc);

  // In this program, x is allocated at [ebp-4], a at [ebp-8], and
  // b at [ebp-12]
  // We check that A_phi[ m[ebp-8] ] is 4, and that
  // A_phi A_phi[ m[ebp-8] ] is null
  // (block 4 comes out with n=4)

  std::string expected = "4 ";
  std::ostringstream actual;
  // m[r29 - 8]
  Exp* e = new Unary(opMemOf,
                     new Binary(opMinus,
                                Location::regOf(29),
                                new Const(8)));
  std::set<int>& s = df->getA_phi(e);
  std::set<int>::iterator pp;
  for (pp = s.begin(); pp != s.end(); pp++)
    actual << *pp << " ";
  CPPUNIT_ASSERT_EQUAL(expected, actual.str());
  delete e;

  expected = "";
  std::ostringstream actual2;
  // m[r29 - 12]
  e = new Unary(opMemOf,
                new Binary(opMinus,
                           Location::regOf(29),
                           new Const(12)));

  std::set<int>& s2 = df->getA_phi(e);
  for (pp = s2.begin(); pp != s2.end(); pp++)
    actual2 << *pp << " ";
  CPPUNIT_ASSERT_EQUAL(expected, actual2.str());
  delete e;
  delete pFE;
}

void FrontPentTest::testFindMain()
{
	// Test the algorithm for finding main, when there is a call to __libc_start_main
	// Also tests the loader hack
	BinaryFileFactory bff;
	BinaryFile *pBF = bff.Load(FEDORA2_TRUE);
	CPPUNIT_ASSERT(pBF != NULL);
	Prog *prog = new Prog;
	FrontEnd *pFE = new PentiumFrontEnd(pBF, prog, &bff);
	prog->setFrontEnd(pFE);
	CPPUNIT_ASSERT(pFE != NULL);
	bool found;
	ADDRESS addr = pFE->getMainEntryPoint(found);
	ADDRESS expected = 0x8048b10;
	CPPUNIT_ASSERT_EQUAL(expected, addr);
	pBF->Close();
	bff.UnLoad();

	pBF = bff.Load(FEDORA3_TRUE);
	CPPUNIT_ASSERT(pBF != NULL);
	pFE = new PentiumFrontEnd(pBF, prog, &bff);
	prog->setFrontEnd(pFE);
	CPPUNIT_ASSERT(pFE != NULL);
	addr = pFE->getMainEntryPoint(found);
	expected = 0x8048c4a;
	CPPUNIT_ASSERT_EQUAL(expected, addr);
	pBF->Close();
	bff.UnLoad();

	pBF = bff.Load(SUSE_TRUE);
	CPPUNIT_ASSERT(pBF != NULL);
	pFE = new PentiumFrontEnd(pBF, prog, &bff);
	prog->setFrontEnd(pFE);
	CPPUNIT_ASSERT(pFE != NULL);
	addr = pFE->getMainEntryPoint(found);
	expected = 0x8048b60;
	CPPUNIT_ASSERT_EQUAL(expected, addr);
	pBF->Close();

	delete pFE;
}

void CfgTest::testSemiDominators ()
{
  BinaryFileFactory bff;
  BinaryFile* pBF = bff.Load(SEMI_PENTIUM);
  CPPUNIT_ASSERT(pBF != 0);
  Prog* prog = new Prog;
  FrontEnd* pFE = new PentiumFrontEnd(pBF, prog, &bff);
  Type::clearNamedTypes();
  prog->setFrontEnd(pFE);
  pFE->decode(prog);

  bool gotMain;
  ADDRESS addr = pFE->getMainEntryPoint(gotMain);
  CPPUNIT_ASSERT (addr != NO_ADDRESS);

  UserProc* pProc = (UserProc*) prog->getProc(0);
  Cfg* cfg = pProc->getCFG();

  DataFlow* df = pProc->getDataFlow();
  df->dominators(cfg);

  // Find BB "L (6)" (as per Appel, Figure 19.8).
  BB_IT it;
  PBB bb = cfg->getFirstBB(it);
  while (bb && bb->getLowAddr() != SEMI_L)
    {
      bb = cfg->getNextBB(it);
    }
  CPPUNIT_ASSERT(bb);
  int nL = df->pbbToNode(bb);

  // The dominator for L should be B, where the semi dominator is D
  // (book says F)
  unsigned actual_dom	 = (unsigned)df->nodeToBB(df->getIdom(nL))->getLowAddr();
  unsigned actual_semi = (unsigned)df->nodeToBB(df->getSemi(nL))->getLowAddr();
  CPPUNIT_ASSERT_EQUAL((unsigned)SEMI_B, actual_dom);
  CPPUNIT_ASSERT_EQUAL((unsigned)SEMI_D, actual_semi);
  // Check the final dominator frontier as well; should be M and B
  std::ostringstream expected, actual;
  //expected << std::hex << SEMI_M << " " << SEMI_B << " ";
  expected << std::hex << SEMI_B << " " << SEMI_M << " ";
  std::set<int>::iterator ii;
  std::set<int>& DFset = df->getDF(nL);
  for (ii=DFset.begin(); ii != DFset.end(); ii++)
    actual << std::hex << (unsigned)df->nodeToBB(*ii)->getLowAddr() << " ";
  CPPUNIT_ASSERT_EQUAL(expected.str(), actual.str());
  delete pFE;
}

/*==============================================================================
 * FUNCTION:		ProgTest::testName
 * OVERVIEW:		Test setting and reading name
 *============================================================================*/
void ProgTest::testName ()
{
  BinaryFileFactory bff;
  BinaryFile *pBF = bff.Load(HELLO_PENTIUM);	// Don't actually use it
  Prog* prog = new Prog();
  FrontEnd *pFE = new PentiumFrontEnd(pBF, prog, &bff);
  // We need a Prog object with a pBF (for getEarlyParamExp())
  prog->setFrontEnd(pFE);
  std::string actual(prog->getName());
  std::string expected(HELLO_PENTIUM);
  CPPUNIT_ASSERT_EQUAL(expected, actual);
  std::string name("Happy prog");
  prog->setName(name.c_str());
  actual =  prog->getName();
  CPPUNIT_ASSERT_EQUAL(name, actual);
  delete pFE;
}

/*==============================================================================
 * FUNCTION:		FrontPentTest::test1
 * OVERVIEW:		Test decoding some pentium instructions
 *============================================================================*/
void FrontPentTest::test1 ()
{
    std::ostringstream ost;

    BinaryFileFactory bff;
    BinaryFile *pBF = bff.Load(HELLO_PENT);
    if (pBF == NULL)
        pBF = new BinaryFileStub();
    CPPUNIT_ASSERT(pBF != 0);
    CPPUNIT_ASSERT(pBF->GetMachine() == MACHINE_PENTIUM);
    Prog* prog = new Prog;
    FrontEnd *pFE = new PentiumFrontEnd(pBF, prog, &bff);
    prog->setFrontEnd(pFE);

    bool gotMain;
    ADDRESS addr = pFE->getMainEntryPoint(gotMain);
    CPPUNIT_ASSERT (addr != NO_ADDRESS);

    // Decode first instruction
    DecodeResult inst = pFE->decodeInstruction(addr);
    inst.rtl->print(ost);

    std::string expected(
        "08048328    0 *32* m[r28 - 4] := r29\n"
        "            0 *32* r28 := r28 - 4\n");
    CPPUNIT_ASSERT_EQUAL(expected, std::string(ost.str()));

    std::ostringstream o2;
    addr += inst.numBytes;
    inst = pFE->decodeInstruction(addr);
    inst.rtl->print(o2);
    expected = std::string("08048329    0 *32* r29 := r28\n");
    CPPUNIT_ASSERT_EQUAL(expected, std::string(o2.str()));

    std::ostringstream o3;
    addr = 0x804833b;
    inst = pFE->decodeInstruction(addr);
    inst.rtl->print(o3);
    expected = std::string(
                   "0804833b    0 *32* m[r28 - 4] := 0x80483fc\n"
                   "            0 *32* r28 := r28 - 4\n");
    CPPUNIT_ASSERT_EQUAL(expected, std::string(o3.str()));

    delete pFE;
    // delete pBF;
}

void FrontSparcTest::test2() {
	DecodeResult inst;
	std::string expected;

	BinaryFileFactory bff;
	BinaryFile *pBF = bff.Load(HELLO_SPARC);
	if (pBF == NULL)
		pBF = new BinaryFileStub();	   // fallback on stub
	CPPUNIT_ASSERT(pBF != 0);
	CPPUNIT_ASSERT(pBF->GetMachine() == MACHINE_SPARC);
	Prog* prog = new Prog;
	FrontEnd *pFE = new SparcFrontEnd(pBF, prog, &bff);
	prog->setFrontEnd(pFE);

	std::ostringstream o1;
	inst = pFE->decodeInstruction(0x10690);
	inst.rtl->print(o1);
	// This call is to out of range of the program's text limits (to the Program Linkage Table (PLT), calling printf)
	// This is quite normal.
	expected = std::string("00010690    0 CALL printf(\n"
		"              )\n"
		"              Reaching definitions: \n"
		"              Live variables: \n");
	CPPUNIT_ASSERT_EQUAL(expected, std::string(o1.str()));

	std::ostringstream o2;
	inst = pFE->decodeInstruction(0x10694);
	inst.rtl->print(o2);
	expected = std::string("00010694\n");
	CPPUNIT_ASSERT_EQUAL(expected, std::string(o2.str()));

	std::ostringstream o3;
	inst = pFE->decodeInstruction(0x10698);
	inst.rtl->print(o3);
	expected = std::string("00010698    0 *32* r8 := 0\n");
	CPPUNIT_ASSERT_EQUAL(expected, std::string(o3.str()));

	std::ostringstream o4;
	inst = pFE->decodeInstruction(0x1069c);
	inst.rtl->print(o4);
	expected = std::string("0001069c    0 *32* r24 := r8\n");
	CPPUNIT_ASSERT_EQUAL(expected, std::string(o4.str()));

	delete pFE;
	// delete pBF;
}

void FrontPentTest::testBranch()
{
    DecodeResult inst;
    std::string expected;

    BinaryFileFactory bff;
    BinaryFile *pBF = bff.Load(BRANCH_PENT);
    if (pBF == NULL)
        pBF = new BinaryFileStub();
    CPPUNIT_ASSERT(pBF != 0);
    CPPUNIT_ASSERT(pBF->GetMachine() == MACHINE_PENTIUM);
    Prog* prog = new Prog;
    FrontEnd *pFE = new PentiumFrontEnd(pBF, prog, &bff);
    prog->setFrontEnd(pFE);

    // jne
    std::ostringstream o1;
    inst = pFE->decodeInstruction(0x8048979);
    inst.rtl->print(o1);
    expected = std::string("08048979    0 BRANCH 0x8048988, condition "
                           "not equals\n"
                           "High level: %flags\n");
    CPPUNIT_ASSERT_EQUAL(expected, o1.str());

    // jg
    std::ostringstream o2;
    inst = pFE->decodeInstruction(0x80489c1);
    inst.rtl->print(o2);
    expected = std::string(
                   "080489c1    0 BRANCH 0x80489d5, condition signed greater\n"
                   "High level: %flags\n");
    CPPUNIT_ASSERT_EQUAL(expected, std::string(o2.str()));

    // jbe
    std::ostringstream o3;
    inst = pFE->decodeInstruction(0x8048a1b);
    inst.rtl->print(o3);
    expected = std::string(
                   "08048a1b    0 BRANCH 0x8048a2a, condition unsigned less or equals\n"
                   "High level: %flags\n");
    CPPUNIT_ASSERT_EQUAL(expected, std::string(o3.str()));

    delete pFE;
    // delete pBF;
}

void FrontSparcTest::testBranch() {
	DecodeResult inst;
	std::string expected;

	BinaryFileFactory bff;
	BinaryFile *pBF = bff.Load(BRANCH_SPARC);
	if (pBF == NULL)
		pBF = new BinaryFileStub();	   // fallback on stub
	CPPUNIT_ASSERT(pBF != 0);
	CPPUNIT_ASSERT(pBF->GetMachine() == MACHINE_SPARC);
	Prog* prog = new Prog;
	FrontEnd *pFE = new SparcFrontEnd(pBF, prog, &bff);
	prog->setFrontEnd(pFE);

	// bne
	std::ostringstream o1;
	inst = pFE->decodeInstruction(0x10ab0);
	inst.rtl->print(o1);
	expected = std::string(
	  "00010ab0    0 BRANCH 0x10ac8, condition not equals\n"
	  "High level: %flags\n");
	CPPUNIT_ASSERT_EQUAL(expected, std::string(o1.str()));

	// bg
	std::ostringstream o2;
	inst = pFE->decodeInstruction(0x10af8);
	inst.rtl->print(o2);
	expected = std::string("00010af8    0 BRANCH 0x10b10, condition "
	  "signed greater\n"
	  "High level: %flags\n");
	CPPUNIT_ASSERT_EQUAL(expected, std::string(o2.str()));

	// bleu
	std::ostringstream o3;
	inst = pFE->decodeInstruction(0x10b44);
	inst.rtl->print(o3);
	expected = std::string(
		"00010b44    0 BRANCH 0x10b54, condition unsigned less or equals\n"
		"High level: %flags\n");
	CPPUNIT_ASSERT_EQUAL(expected, std::string(o3.str()));

	delete pFE;
	// delete pBF;
}

void CfgTest::testDominators ()
{
  BinaryFileFactory bff;
  BinaryFile *pBF = bff.Load(FRONTIER_PENTIUM);
  CPPUNIT_ASSERT(pBF != 0);
  Prog* prog = new Prog;
  FrontEnd *pFE = new PentiumFrontEnd(pBF, prog, &bff);
  Type::clearNamedTypes();
  prog->setFrontEnd(pFE);
  pFE->decode(prog);

  bool gotMain;
  ADDRESS addr = pFE->getMainEntryPoint(gotMain);
  CPPUNIT_ASSERT (addr != NO_ADDRESS);

  UserProc* pProc = (UserProc*) prog->getProc(0);
  Cfg* cfg = pProc->getCFG();
  DataFlow* df = pProc->getDataFlow();
  df->dominators(cfg);

  // Find BB "5" (as per Appel, Figure 19.5).
  BB_IT it;
  PBB bb = cfg->getFirstBB(it);
  while (bb && bb->getLowAddr() != FRONTIER_FIVE)
    {
      bb = cfg->getNextBB(it);
    }
  CPPUNIT_ASSERT(bb);

  std::ostringstream expected, actual;
  //expected << std::hex << FRONTIER_FIVE << " " << FRONTIER_THIRTEEN << " " << FRONTIER_TWELVE << " " <<
  //	FRONTIER_FOUR << " ";
  expected << std::hex << FRONTIER_THIRTEEN << " " << FRONTIER_FOUR << " " << FRONTIER_TWELVE << " " <<
  FRONTIER_FIVE << " ";
  int n5 = df->pbbToNode(bb);
  std::set<int>::iterator ii;
  std::set<int>& DFset = df->getDF(n5);
  for (ii=DFset.begin(); ii != DFset.end(); ii++)
    actual << std::hex << (unsigned)df->nodeToBB(*ii)->getLowAddr() << " ";
  CPPUNIT_ASSERT_EQUAL(expected.str(), actual.str());

  pBF->UnLoad();
  delete pFE;
}

void FrontPentTest::test2()
{
    DecodeResult inst;
    std::string expected;

    BinaryFileFactory bff;
    BinaryFile *pBF = bff.Load(HELLO_PENT);
    if (pBF == NULL)
        pBF = new BinaryFileStub();
    CPPUNIT_ASSERT(pBF != 0);
    CPPUNIT_ASSERT(pBF->GetMachine() == MACHINE_PENTIUM);
    Prog* prog = new Prog;
    FrontEnd *pFE = new PentiumFrontEnd(pBF, prog, &bff);
    prog->setFrontEnd(pFE);

    std::ostringstream o1;
    inst = pFE->decodeInstruction(0x8048345);
    inst.rtl->print(o1);
    expected = std::string(
                   "08048345    0 *32* tmp1 := r28\n"
                   "            0 *32* r28 := r28 + 16\n"
                   "            0 *v* %flags := ADDFLAGS32( tmp1, 16, r28 )\n");
    CPPUNIT_ASSERT_EQUAL(expected, std::string(o1.str()));

    std::ostringstream o2;
    inst = pFE->decodeInstruction(0x8048348);
    inst.rtl->print(o2);
    expected = std::string(
                   "08048348    0 *32* r24 := 0\n");
    CPPUNIT_ASSERT_EQUAL(expected, std::string(o2.str()));

    std::ostringstream o3;
    inst = pFE->decodeInstruction(0x8048329);
    inst.rtl->print(o3);
    expected = std::string("08048329    0 *32* r29 := r28\n");
    CPPUNIT_ASSERT_EQUAL(expected, std::string(o3.str()));

    delete pFE;
    // delete pBF;
}

/*==============================================================================
 * FUNCTION:		CfgTest::testPlacePhi
 * OVERVIEW:		Test the placing of phi functions
 *============================================================================*/
void CfgTest::testPlacePhi ()
{
  BinaryFileFactory bff;
  BinaryFile* pBF = bff.Load(FRONTIER_PENTIUM);
  CPPUNIT_ASSERT(pBF != 0);
  Prog* prog = new Prog;
  FrontEnd* pFE = new PentiumFrontEnd(pBF, prog, &bff);
  Type::clearNamedTypes();
  prog->setFrontEnd(pFE);
  pFE->decode(prog);

  UserProc* pProc = (UserProc*) prog->getProc(0);
  Cfg* cfg = pProc->getCFG();

  // Simplify expressions (e.g. m[ebp + -8] -> m[ebp - 8]
  prog->finishDecode();

  DataFlow* df = pProc->getDataFlow();
  df->dominators(cfg);
  df->placePhiFunctions(pProc);

  // m[r29 - 8] (x for this program)
  Exp* e = new Unary(opMemOf,
                     new Binary(opMinus,
                                Location::regOf(29),
                                new Const(4)));

  // A_phi[x] should be the set {7 8 10 15 20 21} (all the join points)
  std::ostringstream ost;
  std::set<int>::iterator ii;
  std::set<int>& A_phi = df->getA_phi(e);
  for (ii = A_phi.begin(); ii != A_phi.end(); ++ii)
    ost << *ii << " ";
  std::string expected("7 8 10 15 20 21 ");
  CPPUNIT_ASSERT_EQUAL(expected, ost.str());
  delete pFE;
}

/*==============================================================================
 * FUNCTION:		FrontSparcTest::test1
 * OVERVIEW:		Test decoding some sparc instructions
 *============================================================================*/
void FrontSparcTest::test1 () {
	std::ostringstream ost;

	BinaryFileFactory bff;
	BinaryFile *pBF = bff.Load(HELLO_SPARC);
	if (pBF == NULL)
		pBF = new BinaryFileStub();	   // fallback on stub
	CPPUNIT_ASSERT(pBF != 0);
	CPPUNIT_ASSERT(pBF->GetMachine() == MACHINE_SPARC);
	Prog* prog = new Prog;
	FrontEnd *pFE = new SparcFrontEnd(pBF, prog, &bff);
	prog->setFrontEnd(pFE);

	bool gotMain;
	ADDRESS addr = pFE->getMainEntryPoint(gotMain);
	CPPUNIT_ASSERT (addr != NO_ADDRESS);

	// Decode first instruction
	DecodeResult inst = pFE->decodeInstruction(addr);
	CPPUNIT_ASSERT(inst.rtl != NULL);
	inst.rtl->print(ost);
	
	std::string expected(
		"00010684    0 *32* tmp := r14 - 112\n"
		"            0 *32* m[r14] := r16\n"
		"            0 *32* m[r14 + 4] := r17\n"
		"            0 *32* m[r14 + 8] := r18\n"
		"            0 *32* m[r14 + 12] := r19\n"
		"            0 *32* m[r14 + 16] := r20\n"
		"            0 *32* m[r14 + 20] := r21\n"
		"            0 *32* m[r14 + 24] := r22\n"
		"            0 *32* m[r14 + 28] := r23\n"
		"            0 *32* m[r14 + 32] := r24\n"
		"            0 *32* m[r14 + 36] := r25\n"
		"            0 *32* m[r14 + 40] := r26\n"
		"            0 *32* m[r14 + 44] := r27\n"
		"            0 *32* m[r14 + 48] := r28\n"
		"            0 *32* m[r14 + 52] := r29\n"
		"            0 *32* m[r14 + 56] := r30\n"
		"            0 *32* m[r14 + 60] := r31\n"
		"            0 *32* r24 := r8\n"
		"            0 *32* r25 := r9\n"
		"            0 *32* r26 := r10\n"
		"            0 *32* r27 := r11\n"
		"            0 *32* r28 := r12\n"
		"            0 *32* r29 := r13\n"
		"            0 *32* r30 := r14\n"
		"            0 *32* r31 := r15\n"
		"            0 *32* r14 := tmp\n");
	CPPUNIT_ASSERT_EQUAL(expected, std::string(ost.str()));

	std::ostringstream o2;
	addr += inst.numBytes;
	inst = pFE->decodeInstruction(addr);
	inst.rtl->print(o2);
	expected = std::string("00010688    0 *32* r8 := 0x10400\n");
	CPPUNIT_ASSERT_EQUAL(expected, std::string(o2.str()));

	std::ostringstream o3;
	addr += inst.numBytes;
	inst = pFE->decodeInstruction(addr);
	inst.rtl->print(o3);
	expected = std::string("0001068c    0 *32* r8 := r8 | 848\n");
	CPPUNIT_ASSERT_EQUAL(expected, std::string(o3.str()));

	delete pFE;
	//delete pBF;
}