#include <math.h> // For fmod
#include <signal.h>
#include <setjmp.h>
+#include <iostream>
+using std::vector;
+using std::cout;
+using std::cerr;
cl::Flag QuietMode ("quiet" , "Do not emit any non-program output");
cl::Alias QuietModeA("q" , "Alias for -quiet", cl::NoFlags, QuietMode);
-
+cl::Flag ArrayChecksEnabled("array-checks", "Enable array bound checks");
+cl::Flag AbortOnExceptions("abort-on-exception", "Halt execution on a machine exception");
// Create a TargetData structure to handle memory addressing and size/alignment
// computations
static cl::Flag ProfileStructureFields("profilestructfields",
"Profile Structure Field Accesses");
#include <map>
-static map<const StructType *, vector<unsigned> > FieldAccessCounts;
+static std::map<const StructType *, vector<unsigned> > FieldAccessCounts;
#endif
sigjmp_buf SignalRecoverBuffer;
case Type::PointerTyID:
if (isa<ConstantPointerNull>(CPV)) {
Result.PointerVal = 0;
- } else if (ConstantPointerRef *CPR =dyn_cast<ConstantPointerRef>(CPV)) {
+ } else if (isa<ConstantPointerRef>(CPV)) {
assert(0 && "Not implemented!");
} else {
assert(0 && "Unknown constant pointer type!");
}
break;
default:
- cout << "ERROR: Constant unimp for type: " << CPV->getType() << endl;
+ cout << "ERROR: Constant unimp for type: " << CPV->getType() << "\n";
}
return Result;
} else if (GlobalValue *GV = dyn_cast<GlobalValue>(V)) {
cout << ( Cur >= 160? char((Cur>>4)+'A'-10) : char((Cur>>4) + '0'))
<< ((Cur&15) >= 10? char((Cur&15)+'A'-10) : char((Cur&15) + '0'));
}
- cout << endl;
+ cout << "\n";
}
}
static void SetValue(Value *V, GenericValue Val, ExecutionContext &SF) {
unsigned TyP = V->getType()->getUniqueID(); // TypePlane for value
- //cout << "Setting value: " << &SF.Values[TyP][getOperandSlot(V)] << endl;
+ //cout << "Setting value: " << &SF.Values[TyP][getOperandSlot(V)] << "\n";
SF.Values[TyP][getOperandSlot(V)] = Val;
}
return;
default:
- CW << "Bad Type: " << Init->getType() << endl;
+ CW << "Bad Type: " << Init->getType() << "\n";
assert(0 && "Unknown constant type to initialize memory with!");
}
}
IMPLEMENT_BINARY_OPERATOR(+, Double);
IMPLEMENT_BINARY_OPERATOR(+, Pointer);
default:
- cout << "Unhandled type for Add instruction: " << Ty << endl;
+ cout << "Unhandled type for Add instruction: " << Ty << "\n";
}
return Dest;
}
IMPLEMENT_BINARY_OPERATOR(-, Double);
IMPLEMENT_BINARY_OPERATOR(-, Pointer);
default:
- cout << "Unhandled type for Sub instruction: " << Ty << endl;
+ cout << "Unhandled type for Sub instruction: " << Ty << "\n";
}
return Dest;
}
IMPLEMENT_BINARY_OPERATOR(*, Double);
IMPLEMENT_BINARY_OPERATOR(*, Pointer);
default:
- cout << "Unhandled type for Mul instruction: " << Ty << endl;
+ cout << "Unhandled type for Mul instruction: " << Ty << "\n";
}
return Dest;
}
IMPLEMENT_BINARY_OPERATOR(/, Double);
IMPLEMENT_BINARY_OPERATOR(/, Pointer);
default:
- cout << "Unhandled type for Div instruction: " << Ty << endl;
+ cout << "Unhandled type for Div instruction: " << Ty << "\n";
}
return Dest;
}
Dest.DoubleVal = fmod(Src1.DoubleVal, Src2.DoubleVal);
break;
default:
- cout << "Unhandled type for Rem instruction: " << Ty << endl;
+ cout << "Unhandled type for Rem instruction: " << Ty << "\n";
}
return Dest;
}
IMPLEMENT_BINARY_OPERATOR(&, Long);
IMPLEMENT_BINARY_OPERATOR(&, Pointer);
default:
- cout << "Unhandled type for And instruction: " << Ty << endl;
+ cout << "Unhandled type for And instruction: " << Ty << "\n";
}
return Dest;
}
IMPLEMENT_BINARY_OPERATOR(|, Long);
IMPLEMENT_BINARY_OPERATOR(|, Pointer);
default:
- cout << "Unhandled type for Or instruction: " << Ty << endl;
+ cout << "Unhandled type for Or instruction: " << Ty << "\n";
}
return Dest;
}
IMPLEMENT_BINARY_OPERATOR(^, Long);
IMPLEMENT_BINARY_OPERATOR(^, Pointer);
default:
- cout << "Unhandled type for Xor instruction: " << Ty << endl;
+ cout << "Unhandled type for Xor instruction: " << Ty << "\n";
}
return Dest;
}
IMPLEMENT_SETCC(==, Double);
IMPLEMENT_SETCC(==, Pointer);
default:
- cout << "Unhandled type for SetEQ instruction: " << Ty << endl;
+ cout << "Unhandled type for SetEQ instruction: " << Ty << "\n";
}
return Dest;
}
IMPLEMENT_SETCC(!=, Pointer);
default:
- cout << "Unhandled type for SetNE instruction: " << Ty << endl;
+ cout << "Unhandled type for SetNE instruction: " << Ty << "\n";
}
return Dest;
}
IMPLEMENT_SETCC(<=, Double);
IMPLEMENT_SETCC(<=, Pointer);
default:
- cout << "Unhandled type for SetLE instruction: " << Ty << endl;
+ cout << "Unhandled type for SetLE instruction: " << Ty << "\n";
}
return Dest;
}
IMPLEMENT_SETCC(>=, Double);
IMPLEMENT_SETCC(>=, Pointer);
default:
- cout << "Unhandled type for SetGE instruction: " << Ty << endl;
+ cout << "Unhandled type for SetGE instruction: " << Ty << "\n";
}
return Dest;
}
IMPLEMENT_SETCC(<, Double);
IMPLEMENT_SETCC(<, Pointer);
default:
- cout << "Unhandled type for SetLT instruction: " << Ty << endl;
+ cout << "Unhandled type for SetLT instruction: " << Ty << "\n";
}
return Dest;
}
IMPLEMENT_SETCC(>, Double);
IMPLEMENT_SETCC(>, Pointer);
default:
- cout << "Unhandled type for SetGT instruction: " << Ty << endl;
+ cout << "Unhandled type for SetGT instruction: " << Ty << "\n";
}
return Dest;
}
// Print out structure field accounting information...
if (!FieldAccessCounts.empty()) {
CW << "Profile Field Access Counts:\n";
- map<const StructType *, vector<unsigned> >::iterator
+ std::map<const StructType *, vector<unsigned> >::iterator
I = FieldAccessCounts.begin(), E = FieldAccessCounts.end();
for (; I != E; ++I) {
vector<unsigned> &OfC = I->second;
if (i) CW << ", ";
CW << OfC[i];
}
- CW << endl;
+ CW << "\n";
}
- CW << endl;
+ CW << "\n";
CW << "Profile Field Access Percentages:\n";
cout.precision(3);
if (i) CW << ", ";
CW << double(OfC[i])/Sum;
}
- CW << endl;
+ CW << "\n";
}
- CW << endl;
+ CW << "\n";
FieldAccessCounts.clear();
}
CW << "Method " << M->getType() << " \"" << M->getName()
<< "\" returned ";
print(RetTy, Result);
- cout << endl;
+ cout << "\n";
}
if (RetTy->isIntegral())
CW << "Method " << M->getType() << " \"" << M->getName()
<< "\" returned ";
print(RetTy, Result);
- cout << endl;
+ cout << "\n";
}
}
}
// Allocate enough memory to hold the type...
- GenericValue Result;
// FIXME: Don't use CALLOC, use a tainted malloc.
- Result.PointerVal = (PointerTy)calloc(NumElements, TD.getTypeSize(Ty));
+ void *Memory = calloc(NumElements, TD.getTypeSize(Ty));
+
+ GenericValue Result;
+ Result.PointerVal = (PointerTy)Memory;
assert(Result.PointerVal != 0 && "Null pointer returned by malloc!");
SetValue(I, Result, SF);
- if (I->getOpcode() == Instruction::Alloca) {
- // TODO: FIXME: alloca should keep track of memory to free it later...
- }
+ if (I->getOpcode() == Instruction::Alloca)
+ ECStack.back().Allocas.add(Memory);
}
static void executeFreeInst(FreeInst *I, ExecutionContext &SF) {
assert(I->getOperand(ArgOff)->getType() == Type::UIntTy);
unsigned Idx = getOperandValue(I->getOperand(ArgOff++), SF).UIntVal;
if (const ArrayType *AT = dyn_cast<ArrayType>(ST))
- if (Idx >= AT->getNumElements()) {
+ if (Idx >= AT->getNumElements() && ArrayChecksEnabled) {
cerr << "Out of range memory access to element #" << Idx
<< " of a " << AT->getNumElements() << " element array."
<< " Subscript #" << (ArgOff-I->getFirstIndexOperandNumber())
<< "\n";
// Get outta here!!!
- siglongjmp(SignalRecoverBuffer, -1);
+ siglongjmp(SignalRecoverBuffer, SIGTRAP);
}
Ty = ST->getElementType();
IMPLEMENT_SHIFT(<<, ULong);
IMPLEMENT_SHIFT(<<, Long);
default:
- cout << "Unhandled type for Shl instruction: " << Ty << endl;
+ cout << "Unhandled type for Shl instruction: " << Ty << "\n";
}
SetValue(I, Dest, SF);
}
IMPLEMENT_SHIFT(>>, ULong);
IMPLEMENT_SHIFT(>>, Long);
default:
- cout << "Unhandled type for Shr instruction: " << Ty << endl;
+ cout << "Unhandled type for Shr instruction: " << Ty << "\n";
}
SetValue(I, Dest, SF);
}
IMPLEMENT_CAST(DESTTY, DESTCTY, Double)
#define IMPLEMENT_CAST_CASE_END() \
- default: cout << "Unhandled cast: " << SrcTy << " to " << Ty << endl; \
+ default: cout << "Unhandled cast: " << SrcTy << " to " << Ty << "\n"; \
break; \
} \
break
IMPLEMENT_CAST_CASE(Float , (float));
IMPLEMENT_CAST_CASE(Double , (double));
default:
- cout << "Unhandled dest type for cast instruction: " << Ty << endl;
+ cout << "Unhandled dest type for cast instruction: " << Ty << "\n";
}
SetValue(I, Dest, SF);
}
// Assign slot numbers to the method arguments...
const Method::ArgumentListType &ArgList = M->getArgumentList();
for (Method::ArgumentListType::const_iterator AI = ArgList.begin(),
- AE = ArgList.end(); AI != AE; ++AI) {
- MethodArgument *MA = *AI;
- MA->addAnnotation(new SlotNumber(getValueSlot(MA)));
- }
+ AE = ArgList.end(); AI != AE; ++AI)
+ (*AI)->addAnnotation(new SlotNumber(getValueSlot(*AI)));
// Iterate over all of the instructions...
unsigned InstNum = 0;
- for (Method::inst_iterator MI = M->inst_begin(), ME = M->inst_end();
- MI != ME; ++MI) {
- Instruction *I = *MI; // For each instruction...
- I->addAnnotation(new InstNumber(++InstNum, getValueSlot(I))); // Add Annote
+ for (Method::iterator MI = M->begin(), ME = M->end(); MI != ME; ++MI) {
+ BasicBlock *BB = *MI;
+ for (BasicBlock::iterator II = BB->begin(), IE = BB->end(); II != IE; ++II){
+ Instruction *I = *II; // For each instruction... Add Annote
+ I->addAnnotation(new InstNumber(++InstNum, getValueSlot(I)));
+ }
}
}
if (RetTy != Type::VoidTy) {
if (!ECStack.empty() && ECStack.back().Caller) {
ExecutionContext &SF = ECStack.back();
- CallInst *Caller = SF.Caller;
SetValue(SF.Caller, Result, SF);
SF.Caller = 0; // We returned from the call...
CW << "Method " << M->getType() << " \"" << M->getName()
<< "\" returned ";
print(RetTy, Result);
- cout << endl;
+ cout << "\n";
if (RetTy->isIntegral())
ExitCode = Result.SByteVal; // Capture the exit code of the program
//
if (int SigNo = sigsetjmp(SignalRecoverBuffer, 1)) {
--SF.CurInst; // Back up to erroring instruction
- if (SigNo != SIGINT && SigNo != -1) {
+ if (SigNo != SIGINT) {
cout << "EXCEPTION OCCURRED [" << _sys_siglistp[SigNo] << "]:\n";
printStackTrace();
+ // If -abort-on-exception was specified, terminate LLI instead of trying
+ // to debug it.
+ //
+ if (AbortOnExceptions) exit(1);
} else if (SigNo == SIGINT) {
cout << "CTRL-C Detected, execution halted.\n";
}
case Type::UShortTyID: cout << V.UShortVal; break;
case Type::IntTyID: cout << V.IntVal; break;
case Type::UIntTyID: cout << V.UIntVal; break;
- case Type::LongTyID: cout << V.LongVal; break;
- case Type::ULongTyID: cout << V.ULongVal; break;
+ case Type::LongTyID: cout << (long)V.LongVal; break;
+ case Type::ULongTyID: cout << (unsigned long)V.ULongVal; break;
case Type::FloatTyID: cout << V.FloatVal; break;
case Type::DoubleTyID: cout << V.DoubleVal; break;
case Type::PointerTyID:cout << (void*)V.PointerVal; break;
printValue(Ty, V);
}
-void Interpreter::print(const string &Name) {
+void Interpreter::print(const std::string &Name) {
Value *PickedVal = ChooseOneOption(Name, LookupMatchingNames(Name));
if (!PickedVal) return;
if (const Method *M = dyn_cast<const Method>(PickedVal)) {
CW << M; // Print the method
} else if (const Type *Ty = dyn_cast<const Type>(PickedVal)) {
- CW << "type %" << Name << " = " << Ty->getDescription() << endl;
+ CW << "type %" << Name << " = " << Ty->getDescription() << "\n";
} else if (const BasicBlock *BB = dyn_cast<const BasicBlock>(PickedVal)) {
CW << BB; // Print the basic block
} else { // Otherwise there should be an annotation for the slot#
print(PickedVal->getType(),
getOperandValue(PickedVal, ECStack[CurFrame]));
- cout << endl;
+ cout << "\n";
}
}
-void Interpreter::infoValue(const string &Name) {
+void Interpreter::infoValue(const std::string &Name) {
Value *PickedVal = ChooseOneOption(Name, LookupMatchingNames(Name));
if (!PickedVal) return;
cout << "Value: ";
print(PickedVal->getType(),
getOperandValue(PickedVal, ECStack[CurFrame]));
- cout << endl;
+ cout << "\n";
printOperandInfo(PickedVal, ECStack[CurFrame]);
}
printValue(Args[i]->getType(), getOperandValue(Args[i], ECStack[FrameNo]));
}
- cout << ")" << endl;
+ cout << ")\n";
CW << *(ECStack[FrameNo].CurInst-(FrameNo != int(ECStack.size()-1)));
}